CN114803063A - Collecting device for high-temperature high-pressure injection solvent and using method thereof - Google Patents
Collecting device for high-temperature high-pressure injection solvent and using method thereof Download PDFInfo
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- CN114803063A CN114803063A CN202111072317.2A CN202111072317A CN114803063A CN 114803063 A CN114803063 A CN 114803063A CN 202111072317 A CN202111072317 A CN 202111072317A CN 114803063 A CN114803063 A CN 114803063A
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- solvent
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- locking interface
- temperature
- sleeve
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Links
- 238000000034 method Methods 0.000 title claims description 29
- 239000012155 injection solvent Substances 0.000 title description 2
- 239000002904 solvent Substances 0.000 claims abstract description 122
- 238000007789 sealing Methods 0.000 claims abstract description 31
- 239000002131 composite material Substances 0.000 claims abstract description 30
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 18
- 239000002184 metal Substances 0.000 claims abstract description 16
- 229910052751 metal Inorganic materials 0.000 claims abstract description 16
- 210000001503 joint Anatomy 0.000 claims abstract description 11
- 239000000463 material Substances 0.000 claims description 41
- 239000007788 liquid Substances 0.000 claims description 39
- 238000004140 cleaning Methods 0.000 claims description 33
- 239000000835 fiber Substances 0.000 claims description 32
- 239000004033 plastic Substances 0.000 claims description 24
- 229920003023 plastic Polymers 0.000 claims description 24
- 239000007921 spray Substances 0.000 claims description 16
- -1 polytetrafluoroethylene Polymers 0.000 claims description 11
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 9
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 9
- 229920001971 elastomer Polymers 0.000 claims description 7
- 239000005060 rubber Substances 0.000 claims description 7
- 229920002379 silicone rubber Polymers 0.000 claims description 4
- 229920001195 polyisoprene Polymers 0.000 claims description 3
- 239000002033 PVDF binder Substances 0.000 claims description 2
- 229920002981 polyvinylidene fluoride Polymers 0.000 claims description 2
- 239000004945 silicone rubber Substances 0.000 claims description 2
- 238000005266 casting Methods 0.000 abstract description 8
- 239000003595 mist Substances 0.000 abstract description 8
- 239000006185 dispersion Substances 0.000 abstract description 6
- 239000002861 polymer material Substances 0.000 abstract description 2
- 230000015572 biosynthetic process Effects 0.000 abstract 1
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- 230000006837 decompression Effects 0.000 description 13
- 239000010410 layer Substances 0.000 description 12
- 230000006378 damage Effects 0.000 description 10
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 8
- 239000004744 fabric Substances 0.000 description 7
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical class C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 6
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 5
- 238000002347 injection Methods 0.000 description 5
- 239000007924 injection Substances 0.000 description 5
- 239000004745 nonwoven fabric Substances 0.000 description 5
- YEJRWHAVMIAJKC-UHFFFAOYSA-N 4-Butyrolactone Chemical compound O=C1CCCO1 YEJRWHAVMIAJKC-UHFFFAOYSA-N 0.000 description 4
- OIFBSDVPJOWBCH-UHFFFAOYSA-N Diethyl carbonate Chemical compound CCOC(=O)OCC OIFBSDVPJOWBCH-UHFFFAOYSA-N 0.000 description 4
- 230000000052 comparative effect Effects 0.000 description 4
- 238000005336 cracking Methods 0.000 description 4
- IEJIGPNLZYLLBP-UHFFFAOYSA-N dimethyl carbonate Chemical compound COC(=O)OC IEJIGPNLZYLLBP-UHFFFAOYSA-N 0.000 description 4
- 239000012784 inorganic fiber Substances 0.000 description 4
- 239000000243 solution Substances 0.000 description 4
- ZWEHNKRNPOVVGH-UHFFFAOYSA-N 2-Butanone Chemical compound CCC(C)=O ZWEHNKRNPOVVGH-UHFFFAOYSA-N 0.000 description 3
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 3
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 3
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- 239000004698 Polyethylene Substances 0.000 description 3
- 238000011156 evaluation Methods 0.000 description 3
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 3
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- 229920002972 Acrylic fiber Polymers 0.000 description 2
- 229920000049 Carbon (fiber) Polymers 0.000 description 2
- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 description 2
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 2
- 239000004677 Nylon Substances 0.000 description 2
- 229920002978 Vinylon Polymers 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 239000004917 carbon fiber Substances 0.000 description 2
- 239000000919 ceramic Substances 0.000 description 2
- NEHMKBQYUWJMIP-UHFFFAOYSA-N chloromethane Chemical compound ClC NEHMKBQYUWJMIP-UHFFFAOYSA-N 0.000 description 2
- 150000002148 esters Chemical class 0.000 description 2
- 239000003365 glass fiber Substances 0.000 description 2
- 238000007731 hot pressing Methods 0.000 description 2
- 239000012528 membrane Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 229920001778 nylon Polymers 0.000 description 2
- 239000005020 polyethylene terephthalate Substances 0.000 description 2
- 229920000915 polyvinyl chloride Polymers 0.000 description 2
- 239000004800 polyvinyl chloride Substances 0.000 description 2
- DURPTKYDGMDSBL-UHFFFAOYSA-N 1-butoxybutane Chemical compound CCCCOCCCC DURPTKYDGMDSBL-UHFFFAOYSA-N 0.000 description 1
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- 206010053615 Thermal burn Diseases 0.000 description 1
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- 229910052802 copper Inorganic materials 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000003759 ester based solvent Substances 0.000 description 1
- 235000019441 ethanol Nutrition 0.000 description 1
- 239000004210 ether based solvent Substances 0.000 description 1
- 238000010101 extrusion blow moulding Methods 0.000 description 1
- 229920001903 high density polyethylene Polymers 0.000 description 1
- 239000004700 high-density polyethylene Substances 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
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- 238000002844 melting Methods 0.000 description 1
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- 239000011259 mixed solution Substances 0.000 description 1
- 239000012046 mixed solvent Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- YKYONYBAUNKHLG-UHFFFAOYSA-N n-Propyl acetate Natural products CCCOC(C)=O YKYONYBAUNKHLG-UHFFFAOYSA-N 0.000 description 1
- IJDNQMDRQITEOD-UHFFFAOYSA-N n-butane Chemical compound CCCC IJDNQMDRQITEOD-UHFFFAOYSA-N 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
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- 239000002356 single layer Substances 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- NQPDZGIKBAWPEJ-UHFFFAOYSA-N valeric acid Chemical compound CCCCC(O)=O NQPDZGIKBAWPEJ-UHFFFAOYSA-N 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 239000002759 woven fabric Substances 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D23/00—Details of bottles or jars not otherwise provided for
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B17/00—Methods preventing fouling
- B08B17/02—Preventing deposition of fouling or of dust
- B08B17/025—Prevention of fouling with liquids by means of devices for containing or collecting said liquids
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Details Or Accessories Of Spraying Plant Or Apparatus (AREA)
Abstract
The invention relates to a collecting device for collecting high-temperature mist dispersion solvent sprayed from a casting machine, which is used for eliminating the pollution of the mist solvent to the working environment, prolonging the service life of a head sleeve and facilitating the rapid and safe operation and use. The collecting device comprises a tank body, a telescopic head sleeve and a locking connector, wherein the telescopic head sleeve is conical. The locking interface is a lockable metal sleeve with a sealing part, the telescopic head sleeve is made of high-temperature-resistant composite high polymer material, and the telescopic head sleeve is internally wrapped with a reinforcing rib. During the use with collection device removal pouring head below of casting machine, mention the locking interface butt joint pouring head on the flexible headgear to behind the sealed pouring head of locking interface, spout the solvent in the pouring head under 0 ~ 15bar, 0 ~ 200 ℃, collect jar body and flexible headgear cavity formation with the solvent in, after the washing finishes, loosen the locking interface, break away from the pouring head with flexible headgear.
Description
Technical Field
The present invention relates to a solvent collecting device, and more particularly, to a collecting device for spraying a solvent at high temperature and high pressure and a method for using the same.
Background
The high molecular material casting molding is a processing method that two or more than two liquid prepolymers which can mutually generate chemical reaction are injected into a casting head which is stirred at high speed to be mixed quickly, and the mixture is injected into a mold from the casting head to be cured and molded.
In order to clean the pouring head thoroughly during cleaning, the solvent is sprayed out by means of a high-pressure flush, resulting in an atomized dispersion of part of the cleaning solvent. The traditional collection method is to directly spray the solvent into a collection container below, and the collection method can only collect most of liquid solvent but can not collect atomized solvent. So that the chemical solvent causing partial atomization and dispersion can be diffused in the air, and if the chemical solvent is inhaled or splashed on the skin, the chemical solvent can cause harm to the body of an operator and can also cause pollution to the working environment, particularly the working environment which is relatively closed or has slow ventilation and exhaust air replacement.
The mixed pouring process sometimes needs to heat the pouring head, the process temperature of part of products even needs to reach the high temperature of 100-200 ℃, when the pouring head needs to be cleaned quickly after the pouring process is finished, the cleaning agent can be sprayed out after being heated in the pouring head, and the mist dispersion solvent with higher temperature is easier to generate. The application No. 2021109534447 patent discloses a collection device with a membrane head cover, which covers the pouring head and tightens the opening of the membrane head cover during use, thereby achieving a covering collection of a mist-like dispersion solvent. However, when the film head cover is manually operated to cover the pouring head with a higher temperature and the covering state is maintained in the whole process of cleaning and spraying the high-pressure and high-temperature solvent, the risk of scalding the operator is easily caused. In addition, the conventional plastic film head cover is easily melted or damaged by impact of a solvent ejected at a high temperature and a high speed, the service life is short, and the conventional plastic material is easily melted after contacting the high-temperature pouring head, so that the solvent mist is easily leaked from the contact position of the pouring head and the film.
Disclosure of Invention
In order to solve the above problems, a first aspect of the present invention provides a collecting device for a high-temperature and high-pressure spray solvent, which is used to eliminate pollution of a mist solvent to a working environment, prolong the service life of a head cover, and prolong the service life of the head cover, the collecting device includes a tank, a retractable head cover and a locking interface, the retractable head cover is conical, the bottom of the retractable head cover is hermetically connected with the upper portion of the tank, and the top of the retractable head cover is hermetically connected with the locking interface.
The locking interface is used for being conveniently butted with the pouring head, wherein the locking interface can be a high-pressure hoop well known in the field, a metal sleeve in the hoop consists of 2 or more hoop bodies, adjacent hoop bodies are connected through screws, the locking degree of the interface is adjusted by adjusting the degree of screwing the screws into nuts, and the sealing locking or loosening of the pouring head is realized. The interface of the invention is different from the conventional hoop in that a sealing part is arranged in the interface, on one hand, the damage to the casting head is reduced, and on the other hand, a proper material is selected, so that the damage to the hoop caused by a solvent and the leakage of the solvent are avoided. As a preferred technical solution of the present invention, the exterior of the locking interface is a metal sleeve, and the interior of the locking interface is provided with a sealing member.
The sealing part provided by the invention is a material resistant to high temperature and solvent, and as a preferable technical scheme of the invention, the material of the sealing part is selected from one or more of polytetrafluoroethylene, polyperfluoropropylene, polyvinylidene fluoride, polyisoprene rubber and organic silicon rubber.
As a preferred technical solution of the present invention, the material of the retractable headgear is a composite material made by combining at least two materials of the same type or different types, such as plastic, fiber and rubber. The telescopic headgear is preferably made of composite materials of at least two of plastics, fibers and rubber, so that the headgear is prevented from being damaged by high-temperature and high-pressure solvents, and solvent leakage and sealing piece damage are reduced.
In a preferred embodiment of the present invention, the material of the stretch headgear is at least one selected from a multilayer plastic composite material, a plastic-fiber composite material, and a multilayer fiber composite material.
The multilayer plastic composite material is prepared from two or more layers of plastic materials, can be prepared by hot pressing, co-extrusion blow molding and other methods, and is not particularly limited. The multilayer plastic composite material is selected from at least two of PP, PE, PET and PBT.
The plastic-fiber composite material is a material prepared from plastic and fiber, and can be divided into two types according to different preparation methods, namely a coated plastic-fiber composite material and an impregnated plastic-fiber composite material, wherein the coated plastic-fiber composite material is obtained by preparing fiber into non-woven fabric or woven fabric and then coating plastic on the outer layer of the fiber, and the impregnated plastic-fiber composite material is obtained by impregnating the fiber into a plastic material. Examples of the fibers in the plastic-fiber composite material include organic fibers such as natural fibers, acrylic fibers, polyester fibers, nylon and vinylon, inorganic fibers such as glass fibers, carbon fibers and ceramic fibers, preferably inorganic fibers, and examples of the plastic include PVC, PE, PU and PTFE.
The multilayer fiber composite material is prepared by multilayer fibers through hot pressing and other modes, and fibers in the multilayer fiber composite material can be organic fibers such as natural fibers, acrylic fibers, terylene, nylon, vinylon and the like, inorganic fibers such as glass fibers, carbon fibers, ceramic fibers and the like, and preferably inorganic fibers.
As a preferable technical solution of the present invention, the middle part or the outer part of the expansion head sleeve is wrapped with one or more reinforcing ribs. The reinforcing rib can be arranged in the middle or outside of the retractable head cover, wherein if the retractable head cover is of a multi-layer structure, such as a multi-layer plastic composite material, a coated plastic-fiber composite material and a multi-layer fiber composite material, the reinforcing rib can be arranged in the middle or outside of the retractable head cover, namely, in the middle or outside of the multi-layer structure, and if the retractable head cover is of a single-layer structure, such as a dipped plastic-fiber composite material, the reinforcing rib can be arranged outside the retractable head cover.
In a preferred embodiment of the present invention, the material of the rib is plastic or metal, and is not particularly limited, and the rib of the present invention mainly plays a supporting role without being in direct contact with a solvent, and thus the material of the rib is not particularly limited, and high density polyethylene, Fe, Cu, or the like may be fixed to the head cover by sewing, bonding, or the like.
As a preferable technical scheme of the invention, the reinforcing ribs are arranged on the telescopic head sleeve in a spiral or circular ring shape. By using the reinforcing ribs arranged in a circular or spiral shape, the retaining of the shape of the head cover and the movement of the atomized liquid to the tank body can be promoted by the reinforcing ribs when the spray force and the temperature of the solvent sprayed at high pressure are applied.
As a preferred technical scheme of the invention, the side surface of the tank body is respectively provided with a pressure reduction air outlet and a liquid outlet, and the liquid outlet is provided with a valve.
In a preferred embodiment of the present invention, the decompression air outlet is provided at an upper portion of a side surface of the tank body. An air filter element is arranged in the pressure reducing air outlet.
As a preferable technical scheme of the invention, the liquid outlet is arranged at the lower part of the side surface of the tank body.
As a preferable technical scheme of the invention, rollers are arranged below the tank body, and a tank cover is arranged at the top of the tank body.
The second aspect of the present invention provides a method for using a collecting device for a high temperature and high pressure spray solvent, comprising: the collection device is moved to the lower portion of a pouring head of a pouring machine, the locking interface on the telescopic head sleeve is lifted to be in butt joint with the pouring head, the solvent in the pouring head is sprayed out at 0-15 bar and 0-200 ℃ after the pouring head is sealed by the locking interface, the solvent is collected into a cavity formed by the tank body and the telescopic head sleeve, and after the cleaning is finished, the locking interface is loosened, and the telescopic head sleeve is separated from the pouring head. The telescopic head is sleeved and pressed in the tank body and the tank cover is covered.
In the description of the present invention, the "solvent" is a solvent for cleaning the casting head, is an organic solvent, and is not particularly limited in kind of the solvent, and there may be exemplified hydrocarbon solvents such as petroleum ether, hexane, n-butane, ether solvents such as diethyl ether, dibutyl ether; ester solvents such as ethyl acetate, propyl acetate, DMC (dimethyl carbonate), DEC (diethyl carbonate), GBL (1, 4-butyrolactone), DBE (mixed dibasic acid ester); alcohol solvents such as methanol, ethanol, isopropanol; halogenated alkanes such as chloroform, dichloromethane, monochloromethane; ketone solvents such as acetone, methyl ethyl ketone, and the like. It can be a single solvent or a mixture of different solvents, preferably DMC (dimethyl carbonate), DEC (diethyl carbonate), GBL (1, 4-butyrolactone), DBE (mixed dibasic acid ester).
In the description of the invention, the temperature of the solvent is the temperature before the solvent is cleaned and sprayed out of the pouring head, because the temperature of the pouring head is heated to 100-200 ℃ by part of the pouring process, after the pouring is finished, the solvent is injected into the pouring head and then is stirred and cleaned at high speed, the temperature of the pouring head in the cleaning process is conducted to the solvent, so that the temperature of the solvent is rapidly raised, and the temperature of the solvent before the spraying can be measured by a built-in temperature detector on the pouring head. Therefore, the sprayed solvent is a mixed solvent of gas and liquid after cleaning, so that the headgear is subjected to double impact of high temperature and high pressure when sprayed at high pressure. Has high collection efficiency. In one embodiment, the solvent is ejected at a temperature of 0 to 200 ℃, preferably 100 to 200 ℃, and more preferably 100 to 160 ℃.
Compared with the prior art, the invention has the following beneficial effects:
(1) the invention provides a solvent collecting device which can obviously reduce splashing and dispersion of high-temperature cleaning solvent. Keep good operational environment, avoid operating personnel to be scalded by high temperature cleaning solvent, effectively improve the efficiency of collecting the waste liquid, use more convenient safety, have the decompression gas outlet simultaneously, avoid jar internal pressure too high.
(2) And the inventor discovers that when plastic films and the like are used as materials of the telescopic headgear, in the cleaning and solvent collecting processes of a high-temperature pouring process, when the film headgear and the pouring head are held, the hand is easy to scald, meanwhile, the plastic at the contact position of the film headgear and the pouring head is easy to melt and fall off, the effect of headgear covering pouring is influenced, the inventor discovers that a metal interface with a lockable sealing part is arranged above the headgear, the danger caused by the handheld operation of personnel can be avoided, meanwhile, the melting and falling of the headgear can be reduced, the setting of the sealing part further effectively avoids the solvent from leaking from the interface, and the use reliability is improved.
(3) Meanwhile, in the aspect of material selection of the lockable metal sleeve sealing part, the inventor finds that the conventionally used rubber or silicon rubber material has poor solvent resistance, is easy to corrode, age and crack by a solvent in the using process and has short service life, and the service life is obviously prolonged by selecting the solvent-resistant polytetrafluoroethylene as the sealing part.
(4) The inventors have also found that when a composite polymer material is used as the headgear material, solvent resistance, heat resistance and strength of the headgear can be improved.
(5) In addition, for further avoiding the impact of high pressure solvent to the headgear, improve the life of headgear, avoid the headgear to receive high pressure impact damaged, the inventor discovers, when packing into single or a plurality of strengthening rib in the headgear, can promote the shock resistance intensity of headgear.
(6) And the inventor discovers, sets up the decompression gas outlet at the side, can release collecting tank internal pressure fast, sets up liquid outlet and valve in the position that is close jar body bottom, can be convenient for the solvent collect finish back from liquid outlet and valve direct discharge, convenient balanced atmospheric pressure has improved the convenience of operation, and can set up the gyro wheel at the tank bottoms, makes things convenient for collection device's removal.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings and embodiments can be obtained according to the drawings and embodiments without creative efforts.
Fig. 1 is a schematic structural view of the collecting device.
Fig. 2 is a schematic view of the collection device in use.
Fig. 3 is a schematic view of cleaning a solvent mist absorption bottle.
FIG. 4 is a standard curve of the correlation of the concentration of a cleaning solvent in absolute ethanol with refractive index.
Wherein, 1-tank body, 2-expansion head sleeve, 2-1-locking interface, 2-2-reinforcing rib, 3-decompression air outlet, 4-liquid outlet, 5-tank cover and 6-roller.
Detailed Description
Examples
Example 1
As shown in fig. 1-2, the embodiment provides a collecting device for high-temperature and high-pressure solvent injection, the collecting device includes a tank body 1 and a retractable head cover 2, the retractable head cover 2 is conical, the bottom of the retractable head cover 2 is hermetically connected with the upper portion of the tank body 1, the top of the retractable head cover 2 is provided with a locking interface 2-1, the outer portion of the locking interface 2-1 is a metal sleeve, the inner portion of the locking interface 2-1 is provided with a sealing member, the material of the sealing member in the locking interface is polytetrafluoroethylene, the material of the retractable head cover 2 is a composite material of an outer layer warp and weft woven cloth and lined with activated carbon fiber non-woven cloth, the middle portion of the retractable head cover is provided with a reinforcing rib, the reinforcing rib 2-2 is made of plastic material and is arranged in a circular ring shape on the retractable head cover 2, the side surface of the tank body 1 is respectively provided with a pressure-reducing gas outlet 3 and a liquid outlet 4, be equipped with the valve on the liquid outlet 4, decompression gas outlet 3 sets up the upper portion in jar body 1 side, liquid outlet 4 sets up the lower part in jar body 1 side, be equipped with air filter in the decompression gas outlet 3, jar body 1 below is equipped with gyro wheel 6, and jar body 1's top still is equipped with cover 5.
The present invention also provides a method for using the collecting device for high-temperature high-pressure sprayed solvent, which comprises: the collecting device is moved to the position below a pouring head of a pouring machine, a locking interface 2-1 on a telescopic head sleeve 2 is lifted to be in butt joint with the pouring head, after the locking interface 2-1 seals the pouring head, a solvent in the pouring head is sprayed out at 7bar and at 130 ℃, the solvent is collected into a cavity formed by a tank body 1 and the telescopic head sleeve 2, after cleaning is finished, the locking interface 2-1 is loosened, the telescopic head sleeve 2 is separated from the pouring head, and the telescopic head sleeve 2 is pressed into the tank body 1 and covered with a tank cover 5.
Example 2
As shown in fig. 1-2, this embodiment provides a collection device for high-temperature and high-pressure solvent spray, the collection device includes a tank body 1 and a telescopic head sleeve 2, the shape of the telescopic head sleeve 2 is conical, the bottom of the telescopic head sleeve 2 is connected with the upper portion of the tank body 1 in a sealing manner, the top of the telescopic head sleeve 2 is provided with a locking interface 2-1, the outside of the locking interface 2-1 is a metal sleeve, the inside of the locking interface 2-1 is provided with a sealing component, the material of the sealing component in the locking interface is polyisoprene rubber, the material of the telescopic head sleeve 2 is a composite material of an outer layer warp and weft woven cloth lined with activated carbon fiber non-woven fabric, the reinforcing ribs 2-2 are made of plastic material and arranged in a circular ring shape on the telescopic head sleeve 2, the side surface of the tank body 1 is respectively provided with a pressure-reducing gas outlet 3 and a liquid outlet 4, a valve is arranged on the liquid outlet 4, decompression gas outlet 3 sets up the upper portion in jar body 1 side, liquid outlet 4 sets up the lower part in jar body 1 side, be equipped with air filter in the decompression gas outlet 3, jar body 1 below is equipped with gyro wheel 6, and jar body 1's top still is equipped with cover 5.
The present invention also provides a method for using the collecting device for high-temperature high-pressure sprayed solvent, which comprises: the collecting device is moved to the position below a pouring head of a pouring machine, a locking interface 2-1 on a telescopic head sleeve 2 is lifted to be in butt joint with the pouring head, after the locking interface 2-1 seals the pouring head, a solvent in the pouring head is sprayed out at 7bar and 120 ℃, the solvent is collected into a cavity formed by a tank body 1 and the telescopic head sleeve 2, after cleaning is finished, the locking interface 2-1 is loosened, the telescopic head sleeve 2 is separated from the pouring head, and the telescopic head sleeve 2 is pressed into the tank body 1 and covered with a tank cover 5.
Example 3
As shown in fig. 1-2, this embodiment provides a collection device for high-temperature and high-pressure solvent spray, the collection device includes a tank body 1 and a retractable head cover 2, the retractable head cover 2 is conical, the bottom of the retractable head cover 2 is hermetically connected with the top of the tank body 1, the top of the retractable head cover 2 is provided with a locking interface 2-1, the outside of the locking interface 2-1 is a metal sleeve, the inside of the locking interface 2-1 is provided with a sealing member, the material of the sealing member in the locking interface is silicone rubber, the material of the retractable head cover 2 is a composite material of an outer layer warp and weft woven cloth and lined with activated carbon fiber non-woven cloth, the reinforcing ribs 2-2 are made of plastic material and are arranged in a circular ring shape on the retractable head cover 2, the side surface of the tank body 1 is respectively provided with a pressure-reducing gas outlet 3 and a liquid outlet 4, the liquid outlet 4 is provided with a valve, decompression gas outlet 3 sets up the upper portion in jar body 1 side, liquid outlet 4 sets up the lower part in jar body 1 side, be equipped with air filter in the decompression gas outlet 3, jar body 1 below is equipped with gyro wheel 6, and jar body 1's top still is equipped with cover 5.
This embodiment also provides a method for using the collecting device for high-temperature high-pressure solvent injection as described above, including: the collecting device is moved to the position below a pouring head of a pouring machine, a locking connector 2-1 on a telescopic head sleeve 2 is lifted to be in butt joint with the pouring head, after the pouring head is sealed by the locking connector 2-1, a solvent in the pouring head is sprayed out at 7bar and 120 ℃, the solvent is collected in a cavity formed by a tank body 1 and the telescopic head sleeve 2, after cleaning is finished, the locking connector 2-1 is loosened, the telescopic head sleeve 2 is separated from the pouring head, and the telescopic head sleeve 2 is pressed into the tank body 1 and covered with a tank cover 5.
Example 4
As shown in fig. 1-2, this embodiment provides a collecting device for high-temperature and high-pressure solvent injection, the collecting device includes a tank body 1 and a retractable head sleeve 2, the retractable head sleeve 2 is conical, the bottom of the retractable head sleeve 2 is hermetically connected with the upper portion of the tank body 1, the top of the retractable head sleeve 2 is provided with a locking interface 2-1, the outside of the locking interface 2-1 is a metal sleeve, the inside of the locking interface 2-1 is provided with a sealing member, the material of the sealing member in the locking interface is polytetrafluoroethylene, the material of the retractable head sleeve 2 is two layers of activated carbon fiber non-woven fabrics, the reinforcing ribs 2-2 are made of plastic materials, the retractable head sleeve 2 is circularly arranged, the side surface of the tank body 1 is respectively provided with a pressure-reducing gas outlet 3 and a liquid outlet 4, the liquid outlet 4 is provided with a valve, the pressure-reducing gas outlet 3 is arranged at the upper portion of the side surface of the tank body 1, the liquid outlet 4 sets up the lower part in jar body 1 side, be equipped with air filter in the decompression gas outlet 3, jar body 1 below is equipped with gyro wheel 6, and jar body 1's top still is equipped with cover 5.
The present invention also provides a method for using the collecting device for high-temperature high-pressure sprayed solvent, which comprises: the collecting device is moved to the lower part of a pouring head of a pouring machine, a locking interface 2-1 on a telescopic head sleeve 2 is lifted to be in butt joint with the pouring head, after the locking interface 2-1 seals the pouring head, a solvent in the pouring head is sprayed out at 7bar and 125 ℃, the solvent is collected into a cavity formed by a tank body 1 and the telescopic head sleeve 2, after cleaning is finished, the locking interface 2-1 is loosened, the telescopic head sleeve 2 is separated from the pouring head, and the telescopic head sleeve 2 is pressed into the tank body 1 and covered with a tank cover 5.
Example 5
As shown in fig. 1-2, this embodiment provides a collecting device for high-temperature and high-pressure solvent spray, the collecting device includes a tank body 1 and a retractable head sleeve 2, the retractable head sleeve 2 is conical, the bottom of the retractable head sleeve 2 is hermetically connected with the upper side of the tank body 1, the top of the retractable head sleeve 2 is provided with a locking interface 2-1, the exterior of the locking interface 2-1 is a metal sleeve, the interior of the locking interface 2-1 is provided with a sealing member, the sealing member in the locking interface is made of polytetrafluoroethylene, the retractable head sleeve 2 is made of two layers of activated carbon fiber non-woven fabrics without reinforcing ribs, the side surface of the tank body 1 is respectively provided with a pressure-reducing gas outlet 3 and a liquid outlet 4, the liquid outlet 4 is provided with a valve, the pressure-reducing gas outlet 3 is disposed at the upper portion of the side surface of the tank body 1, and the liquid outlet 4 is disposed at the lower portion of the side surface of the tank body 1, an air filter element is arranged in the pressure reducing air outlet 3, a roller 6 is arranged below the tank body 1, and a tank cover 5 is also arranged at the top of the tank body 1.
The present invention also provides a method for using the collecting device for high-temperature high-pressure sprayed solvent, which comprises: the collecting device is moved to the position below a pouring head of a pouring machine, a locking interface 2-1 on a telescopic head sleeve 2 is lifted to be in butt joint with the pouring head, after the locking interface 2-1 seals the pouring head, a solvent in the pouring head is sprayed out at 7bar and 120 ℃, the solvent is collected into a cavity formed by a tank body 1 and the telescopic head sleeve 2, after cleaning is finished, the locking interface 2-1 is loosened, the telescopic head sleeve 2 is separated from the pouring head, and the telescopic head sleeve 2 is pressed into the tank body 1 and covered with a tank cover 5.
Example 6
As shown in fig. 1-2, this embodiment provides a collecting device for high-temperature and high-pressure solvent spray, the collecting device includes a tank body 1 and a retractable head sleeve 2, the retractable head sleeve 2 is conical, the bottom of the retractable head sleeve 2 is hermetically connected with the upper portion of the tank body 1, the top of the retractable head sleeve 2 is provided with a locking interface 2-1, the outside of the locking interface 2-1 is a metal sleeve, the inside of the locking interface 2-1 is provided with a sealing member, the material of the sealing member in the locking interface is polytetrafluoroethylene, the material of the retractable head sleeve 2 is a composite material of woven cloth coated with polyvinyl chloride, the reinforcing ribs 2-2 are made of plastic material, the retractable head sleeve 2 is circularly arranged, the side of the tank body 1 is respectively provided with a pressure-reducing gas outlet 3 and a liquid outlet 4, the liquid outlet 4 is provided with a valve, decompression gas outlet 3 sets up the upper portion in jar body 1 side, liquid outlet 4 sets up the lower part in jar body 1 side, be equipped with air filter in the decompression gas outlet 3, jar body 1 below is equipped with gyro wheel 6, and jar body 1's top still is equipped with cover 5.
The present invention also provides a method for using the collecting device for high-temperature high-pressure sprayed solvent, which comprises: the collecting device is moved to the position below a pouring head of a pouring machine, a locking interface 2-1 on a telescopic head sleeve 2 is lifted to be in butt joint with the pouring head, after the locking interface 2-1 seals the pouring head, a solvent in the pouring head is sprayed out at 7bar and at 130 ℃, the solvent is collected into a cavity formed by a tank body 1 and the telescopic head sleeve 2, after cleaning is finished, the locking interface 2-1 is loosened, the telescopic head sleeve 2 is separated from the pouring head, and the telescopic head sleeve 2 is pressed into the tank body 1 and covered with a tank cover 5.
Comparative example 1
As shown in fig. 1-2, this embodiment provides a collection device for high-temperature and high-pressure solvent spray, the collection device includes a tank body 1 and a retractable head sleeve 2, the retractable head sleeve 2 is conical, the bottom of the retractable head sleeve 2 is hermetically connected with the top of the tank body 1, the top of the retractable head sleeve 2 is provided with a locking interface 2-1, the outside of the locking interface 2-1 is a metal sleeve, the material of the retractable head sleeve 2 is a composite material of an outer layer warp and weft woven cloth and lined with activated carbon fiber non-woven fabric, the reinforcing ribs 2-2 are made of plastic material, the retractable head sleeve 2 is circularly arranged, the side surface of the tank body 1 is respectively provided with a pressure-reducing gas outlet 3 and a liquid outlet 4, the liquid outlet 4 is provided with a valve, the pressure-reducing gas outlet 3 is arranged on the upper portion of the side surface of the tank body 1, the liquid outlet 4 is arranged on the lower portion of the side surface of the tank body 1, an air filter element is arranged in the pressure reducing air outlet 3, a roller 6 is arranged below the tank body 1, and a tank cover 5 is also arranged at the top of the tank body 1.
The present invention also provides a method for using the collecting device for high-temperature high-pressure sprayed solvent, which comprises: the collecting device is moved to the position below a pouring head of a pouring machine, a locking interface 2-1 on a telescopic head sleeve 2 is lifted to be in butt joint with the pouring head, after the locking interface 2-1 seals the pouring head, a solvent in the pouring head is sprayed out at 7bar and at 130 ℃, the solvent is collected into a cavity formed by a tank body 1 and the telescopic head sleeve 2, after cleaning is finished, the locking interface 2-1 is loosened, the telescopic head sleeve 2 is separated from the pouring head, and the telescopic head sleeve 2 is pressed into the tank body 1 and covered with a tank cover 5.
Comparative example 2
As shown in fig. 1-2, this embodiment provides a collecting device for high-temperature and high-pressure solvent injection, the collecting device includes a tank body 1 and a retractable head sleeve 2, the retractable head sleeve 2 is conical, the bottom of the retractable head sleeve 2 is hermetically connected with the upper portion of the tank body 1, the top of the retractable head sleeve 2 is provided with a locking interface 2-1, the outside of the locking interface 2-1 is a metal sleeve, the inside of the locking interface 2-1 is provided with a sealing member, the sealing member in the locking interface is made of polytetrafluoroethylene, the retractable head sleeve 2 is made of polyethylene plastic film, the reinforcing ribs 2-2 are made of plastic material, the retractable head sleeve 2 is circularly arranged, the side surfaces of the tank body 1 are respectively provided with a pressure-reducing gas outlet 3 and a liquid outlet 4, the liquid outlet 4 is provided with a valve, the pressure-reducing gas outlet 3 is arranged at the upper portion of the side surface of the tank body 1, the liquid outlet 4 sets up the lower part in jar body 1 side, be equipped with air filter in the decompression gas outlet 3, jar body 1 below is equipped with gyro wheel 6, and jar body 1's top still is equipped with cover 5.
The present invention also provides a method for using the collecting device for high-temperature high-pressure sprayed solvent, which comprises: the collecting device is moved to the position below a pouring head of a pouring machine, a locking interface 2-1 on a telescopic head sleeve 2 is lifted to be in butt joint with the pouring head, after the locking interface 2-1 seals the pouring head, a solvent in the pouring head is sprayed out at 7bar and 120 ℃, the solvent is collected into a cavity formed by a tank body 1 and the telescopic head sleeve 2, after cleaning is finished, the locking interface 2-1 is loosened, the telescopic head sleeve 2 is separated from the pouring head, and the telescopic head sleeve 2 is pressed into the tank body 1 and covered with a tank cover 5.
Performance testing
1. A standard curve of correlation of the concentration of DBE as a casting head cleaning solvent in absolute ethyl alcohol with refractive index was prepared as shown in fig. 4, and the concentrations of the cleaning solvents in examples and comparative examples, in which the materials used in the examples and comparative examples are shown in table 1 and the concentrations of the cleaning solvents are shown in table 2, were tested.
2. According to the apparatus provided in FIG. 3, 1min after the cleaning of the pouring head, the mist of the cleaning solvent diffused in the space around the pouring head and the collection tank was collected by the blower, and the gas was blown into a 500ml closed vessel with a gas flow valve control through a connecting pipe by 1m 3 The method comprises the following steps that (1) gas containing a solvent is immersed in 100ml of absolute ethyl alcohol in a container, the absolute ethyl alcohol is enabled to fully absorb mist of the cleaning solvent, mixed liquid containing the cleaning solvent is formed, the refractive index of the mixed liquid in the container is tested after air blowing is finished, and fitting is carried out on a standard curve of the correlation between the concentration of the cleaning solvent in the absolute ethyl alcohol and the refractive index according to a standard curve formula:
calculating the content of the cleaning solvent in the mixed solution, and calculating the concentration of the cleaning solvent diffused in the air, wherein the result is shown in a table 2;
3. according to the collecting device and the using method provided by the embodiment, after the same collecting device is used for 100 times continuously, the leakage condition of the atomized solvent and the damage condition of the headgear during the use process are observed, wherein the evaluation standard of the solvent leakage condition is as follows: level 1 is no solvent leakage, and the headgear and the interface thereof have no odor; level 2 is slightly solvent leakage, slightly solvent smell flows out from the headgear and the interface of the headgear, level 3 is obvious solvent leakage, and obvious solvent smell exists at the headgear and the interface of the headgear. The evaluation criteria of the damage condition of the headgear are as follows: grade 1 is no damage, grade 2 is slightly damaged, there are few micropores, grade 3 is obviously damaged, and there are large cracks, and the results are shown in table 2. The evaluation standard of the cracking and breakage condition of the sealing part corroded by the solvent is as follows: no cracking damage was observed in grade 1, slight cracking damage was observed in grade 2, and cracking damage was evident in grade 3, and the results are shown in Table 2.
TABLE 1
Table 2 characterization test of properties
According to test data, the collecting device provided by the invention is simple in structure and convenient to use, can be used for cleaning the pouring head, and can avoid leakage and volatilization of a solvent even under the injection of the solvent with high pressure and high temperature, so that the safety of a cleaning process is improved, and the environmental pollution is avoided.
Claims (10)
1. The utility model provides a collection device of high temperature high pressure spray solvent for eliminate vaporific solvent and to operational environment's pollution, improve the life of headgear, its characterized in that, collection device is including jar body, flexible headgear and locking interface, the shape of flexible headgear is conical, flexible headgear bottom and jar body top sealing connection, flexible headgear top and locking interface sealing connection.
2. The collection apparatus for high temperature and high pressure solvent spray according to claim 1, wherein the locking interface is externally provided with a metal sleeve, and the locking interface is internally provided with a sealing member.
3. The apparatus for collecting high-temperature and high-pressure spray solvent according to claim 2, wherein the material of the sealing member is one or more selected from the group consisting of polytetrafluoroethylene, polyperfluoropropylene, polyvinylidene fluoride, polyisoprene rubber, and silicone rubber.
4. The device for collecting high-temperature and high-pressure sprayed solvent according to claim 1, wherein the material of the retractable head cover is a composite material made by combining at least two materials of the same type or different types, such as plastic, fiber and rubber.
5. The apparatus for collecting high-temperature and high-pressure solvent spray according to claim 4, wherein the material of the retractable head cover is at least one selected from a group consisting of a multi-layer plastic composite material, a plastic-fiber composite material and a multi-layer fiber composite material.
6. The apparatus for collecting high-temperature and high-pressure spray solvent according to claim 1, wherein one or more ribs are provided in the middle or outside of the expansion head sleeve.
7. The apparatus for collecting high-temperature and high-pressure sprayed solvent of claim 6, wherein the material of the reinforcing rib is plastic or metal.
8. The apparatus as claimed in claim 6, wherein the ribs are arranged on the telescopic sleeve in a spiral or circular shape.
9. A collecting device for high-temperature and high-pressure spray solvent according to any one of claims 1 to 8, wherein the side of the tank is provided with a pressure-reducing gas outlet and a liquid outlet, and the liquid outlet is provided with a valve.
10. A method for using the collecting device of high-temperature high-pressure solvent spray according to any one of claims 1 to 9, comprising: the collection device is moved to the lower portion of a pouring head of a pouring machine, the locking interface on the telescopic head sleeve is lifted to be in butt joint with the pouring head, the solvent in the pouring head is sprayed out at 0-15 bar and 0-200 ℃ after the pouring head is sealed by the locking interface, the solvent is collected into a cavity formed by the tank body and the telescopic head sleeve, and after the cleaning is finished, the locking interface is loosened, and the telescopic head sleeve is separated from the pouring head.
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| CN114803063B (en) | 2024-08-06 |
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