CN110081716B - Top-blowing spray gun for electronic waste smelting device - Google Patents
Top-blowing spray gun for electronic waste smelting device Download PDFInfo
- Publication number
- CN110081716B CN110081716B CN201810077790.1A CN201810077790A CN110081716B CN 110081716 B CN110081716 B CN 110081716B CN 201810077790 A CN201810077790 A CN 201810077790A CN 110081716 B CN110081716 B CN 110081716B
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- gun body
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- pipe
- body shell
- blowing lance
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- 238000007664 blowing Methods 0.000 title claims abstract description 78
- 238000003723 Smelting Methods 0.000 title claims abstract description 62
- 239000007921 spray Substances 0.000 title claims abstract description 62
- 239000010793 electronic waste Substances 0.000 title claims abstract description 28
- 239000000446 fuel Substances 0.000 claims abstract description 50
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 33
- 239000001301 oxygen Substances 0.000 claims abstract description 33
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 33
- 229910001220 stainless steel Inorganic materials 0.000 claims abstract description 16
- 239000010935 stainless steel Substances 0.000 claims abstract description 16
- 238000000034 method Methods 0.000 claims description 32
- 230000008569 process Effects 0.000 claims description 31
- 239000010792 electronic scrap Substances 0.000 claims description 30
- 230000002093 peripheral effect Effects 0.000 claims description 16
- 238000002156 mixing Methods 0.000 claims description 14
- 229910000619 316 stainless steel Inorganic materials 0.000 claims description 4
- 239000010964 304L stainless steel Substances 0.000 claims description 3
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 230000006835 compression Effects 0.000 claims description 3
- 238000007906 compression Methods 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 230000006698 induction Effects 0.000 claims 2
- 230000000694 effects Effects 0.000 description 9
- 230000007797 corrosion Effects 0.000 description 7
- 238000005260 corrosion Methods 0.000 description 7
- 239000007789 gas Substances 0.000 description 7
- 238000001816 cooling Methods 0.000 description 6
- 239000000463 material Substances 0.000 description 6
- 238000005507 spraying Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 238000002485 combustion reaction Methods 0.000 description 3
- 230000006378 damage Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000003638 chemical reducing agent Substances 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 238000005336 cracking Methods 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 230000008646 thermal stress Effects 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 1
- 206010039509 Scab Diseases 0.000 description 1
- 238000013019 agitation Methods 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000004069 differentiation Effects 0.000 description 1
- -1 end pressure Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000003546 flue gas Substances 0.000 description 1
- 239000002920 hazardous waste Substances 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000004792 oxidative damage Effects 0.000 description 1
- 239000004810 polytetrafluoroethylene Substances 0.000 description 1
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 230000035882 stress Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D3/00—Charging; Discharging; Manipulation of charge
- F27D3/16—Introducing a fluid jet or current into the charge
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D3/00—Charging; Discharging; Manipulation of charge
- F27D3/16—Introducing a fluid jet or current into the charge
- F27D2003/168—Introducing a fluid jet or current into the charge through a lance
- F27D2003/169—Construction of the lance, e.g. lances for injecting particles
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces (AREA)
- Manufacture And Refinement Of Metals (AREA)
Abstract
The invention discloses a top-blowing spray gun for an electronic waste smelting device, which comprises: the gun body comprises a gun body shell, wherein the gun body shell comprises a first section, a second section and a third section which are sequentially arranged from top to bottom, at least the third section in the gun body shell is a super stainless steel seamless pipe, an oxygen interface is arranged on the gun body shell, and a nozzle is arranged at the lower end of the gun body shell; the inner pipe body is arranged in the cavity shell, and a fuel interface extending out of the shell is arranged on the inner pipe body; and the honeycomb fuel nozzle is connected to the lower end of the inner pipe body and faces the spray nozzle. The top-blowing spray gun for the electronic waste smelting device has the advantages of being reliable in use, convenient to operate and the like.
Description
Technical Field
The invention relates to the technical fields of ferrous metal smelting, hazardous waste treatment and resource recycling, in particular to a top-blowing spray gun for an electronic waste smelting device.
Background
In the smelting process of treating electronic waste, the top-blowing spray gun in the related technology is easy to crack, bend and deform and other problems due to the severe waste smelting environment and the corrosion of high temperature and harmful gas, so that the normal use of the top-blowing spray gun is affected, and the service life of the top-blowing spray gun is reduced.
Disclosure of Invention
The present invention aims to solve at least one of the technical problems existing in the prior art. Therefore, the invention provides the top-blowing spray gun for the electronic waste smelting device, which has the advantages of reliable use, convenient operation and the like.
To achieve the above object, an embodiment according to a first aspect of the present invention proposes a top-blowing lance for an electronic scrap smelting device, the top-blowing lance for an electronic scrap smelting device comprising: the gun body comprises a gun body shell, wherein the gun body shell comprises a first section, a second section and a third section which are sequentially arranged from top to bottom, at least the third section in the gun body shell is a super stainless steel seamless pipe, an oxygen interface is arranged on the gun body shell, and a nozzle is arranged at the lower end of the gun body shell; the inner pipe body is arranged on the gun body shell and is provided with a fuel interface extending out of the gun body shell; and the honeycomb fuel nozzle is connected to the lower end of the inner pipe body and faces the spray nozzle.
The top-blowing spray gun for the electronic waste smelting device has the advantages of being reliable in use, convenient to operate and the like.
In addition, the top-blowing lance for an electronic scrap smelting device according to the above embodiment of the present invention may have the following additional technical features:
According to one embodiment of the invention, the diameters of the first, second and third sections are the same. This can increase the strength and rigidity of the gun body housing.
According to one embodiment of the invention, the first section is a welded steel pipe, the second section is a stainless steel seamless pipe, and the third section is a SUS314 super stainless steel seamless pipe. Thus, the working performance of the gun body shell can be ensured.
According to one embodiment of the invention, the portion of the second section above the furnace mouth of the electronic waste smelting device is a 304L stainless steel seamless tube, and the portion of the second section below the furnace mouth of the electronic waste smelting device is a 310S stainless steel seamless tube. This can improve the corrosion resistance of the second section of the gun body housing.
According to one embodiment of the invention, the inner pipe body is also provided with an end pressure sensing interface extending out of the gun body shell, the gun body shell is also provided with a process air interface, and the fuel interface, the end pressure interface, the oxygen interface and the process air interface are all quick connectors made of 316 stainless steel. This allows the quick connector to be quickly replaced during operation.
According to one embodiment of the invention, the inner tubular body comprises: the end pressure return pipe is connected with the fuel interface; the fuel conveying pipe is connected below the end pressure return pipe; and the diameter of the speed-increasing reducing pipe is larger than that of the end pressure return pipe and is connected below the fuel conveying pipe, and the honeycomb fuel nozzle is connected below the speed-increasing reducing pipe. Thus, the process wind is favorable for carrying out speed-increasing injection on the fuel which is sprayed out by the honeycomb fuel nozzle in a dispersed way, so as to achieve the effects of improving the instantaneous heat value and saving the fuel.
According to an embodiment of the present invention, the top-blowing lance for an electronic scrap smelting device further includes: the positioning step swirl piece is used for forming swirl in the gun body shell and is arranged on the outer peripheral surface of the end pressure return pipe. Thus, the positioning step swirl plate can be utilized to generate gas swirl so as to achieve the effect of uniform air cooling of the gun body shell.
According to one embodiment of the invention, the angle between the positioning stepped swirl plate and the axial direction of the end pressure return pipe is gradually increased from top to bottom. This facilitates differentiation of the internal resistance of the top-blowing lance.
According to one embodiment of the invention, the positioning step swirl plates are multiple and are arranged at intervals in the axial direction of the end pressure return pipe. Thus, smooth and reliable use of the top-blowing spray gun is ensured.
According to an embodiment of the present invention, the top-blowing lance for an electronic scrap smelting device further includes: the cyclone oxygen mixing device is positioned between the oxygen interface and the process air interface and comprises a plurality of seamless guide pipes which extend along the axial direction of the gun body shell in a spiral manner. This facilitates smooth mixing of oxygen into the process wind.
According to one embodiment of the invention, the spiral direction of the seamless draft tube is opposite to the spiral direction of the positioning step swirl plate. So that the impact mixing of the oxygen and the process wind can be formed, the mixing is more sufficient, and the oxygen utilization rate is improved.
According to one embodiment of the invention, the outer edge of the positioning step swirl plate is stopped against the inner surface of the gun body shell. Thus, the gun body inner tube is convenient to ensure that the gun body inner tube is not misplaced and damaged by external force in the transportation and use processes of the device.
According to an embodiment of the present invention, the top-blowing lance for an electronic scrap smelting device further includes: the unloading force bearing buffer device comprises a movable bearing flange, a buffer cushion and a movable ring T-shaped bolt, wherein a connecting flange is arranged on the gun body shell, the movable bearing flange is installed on the connecting flange through the movable ring T-shaped bolt penetrating through the movable bearing flange and the connecting flange, the buffer cushion is clamped between the movable bearing flange and the connecting flange, and the movable bearing flange is used for being installed on the electronic waste smelting device. Thus, the soft connection between the top-blowing spray gun and the spray gun trolley in the operation process can be ensured.
According to one embodiment of the invention, the inner peripheral surface of the mobile load-bearing flange is spaced apart from the outer peripheral surface of the gun body housing. Thus, the inner peripheral surface of the movable bearing flange is greatly separated from the outer peripheral surface of the gun body shell, so that the gun body is ensured to have enough movable clearance when being stirred.
According to one embodiment of the invention, the honeycomb fuel nozzle comprises: the conical shunt head is connected with the lower end of the inner pipe body; the conical honeycomb nozzle is positioned below the conical flow dividing head and is provided with a compression gap with the conical flow dividing head, the conical honeycomb nozzle is provided with a plurality of spray holes which are arranged along the circumferential direction of the conical honeycomb nozzle, and the axial direction of each spray hole and the axial direction of the speed-increasing reducing pipe form a preset angle. Thus, the introduced fuel can be compressed and dispersed and ejected through the spray holes.
According to an embodiment of the present invention, the top-blowing lance for an electronic scrap smelting device further includes: the main swirl piece is arranged on the outer peripheral surface of the speed-increasing reducing pipe and spirally extends along the axial direction of the speed-increasing reducing pipe. Thus, the formation of rotational flow in the gun body shell is facilitated, so that the whole stirring of the gun body is driven.
Additional aspects and advantages of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.
Drawings
The foregoing and/or additional aspects and advantages of the invention will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:
Fig. 1 is a cross-sectional view of a top-blowing lance for an electronic scrap smelting device in accordance with an embodiment of the invention.
Fig. 2 is a partial cross-sectional view of a top-blowing lance for an electronic scrap smelting device in accordance with an embodiment of the invention.
Fig. 3 is a partial cross-sectional view of a top-blowing lance for an electronic scrap smelting device in accordance with an embodiment of the invention.
Reference numerals: top-blowing lance 1, lance body housing 100, first section 101, second section 102, third section 103, oxygen port 111, spout 112, process air port 113, connecting flange 120, inner tubular body 200, fuel port 201, end pressure sensing port 202, end pressure return tube 211, fuel delivery tube 212, speed-increasing reducer 213, honeycomb fuel nozzle 300, tapered split 310, tapered honeycomb nozzle 320, positioning step swirl plate 400, swirl mixing oxygen device 500, force-unloading load-bearing buffer 600, movable load-bearing flange 610, cushion 620, movable ring T-bolt 630, main swirl plate 700.
Detailed Description
Embodiments of the present invention are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the invention.
A top-blowing lance 1 for an electronic scrap smelting device according to an embodiment of the present invention is described below with reference to the accompanying drawings.
As shown in fig. 1 to 3, a top-blowing lance 1 for an electronic waste smelting device according to an embodiment of the present invention includes a lance body housing 100, an inner pipe body 200, and a honeycomb fuel nozzle 300.
The gun body housing 100 comprises a first section 101, a second section 102 and a third section 103 (the up-down direction is shown by an arrow A in fig. 1) which are sequentially arranged from top to bottom, at least the third section 103 in the gun body housing 100 is a super stainless steel seamless pipe, an oxygen interface 111 is arranged on the gun body housing 100, and a nozzle 112 is arranged at the lower end of the gun body housing 100. The inner tube 200 is disposed within the gun body housing 100, and the inner tube 200 is provided with a fuel port 201 extending out of the gun body housing 100. A honeycomb fuel nozzle 300 is attached to the lower end of the inner tube 200 and faces the nozzle 112.
According to the top-blowing spray gun 1 for the electronic waste smelting device, the gun body shell 100 comprises the first section 101, the second section 102 and the third section 103 which are sequentially arranged from top to bottom, and at least the third section 103 in the gun body shell 100 is a super stainless steel seamless pipe, so that the high temperature resistance and corrosion resistance of at least the third section 103 in the gun body shell 100 can be improved, the working temperature and the adaptability to the working environment of the top-blowing spray gun 1 can be improved conveniently, better smelting of electronic waste can be performed conveniently, and the processing capacity of the electronic waste smelting device to the electronic waste can be improved conveniently.
And, through setting up at least third section 103 in the rifle body shell 100 to be super stainless steel seamless pipe, structural rigidity and intensity of rifle body shell 100 can be improved, compare the top-blown spray gun among the correlation technique, can avoid rifle body shell 100 to take place to crack, warp, cause even damage under the operating mode of high temperature high corrosion, be convenient for improve the refractory loss time of top-blown spray gun 1, be convenient for increase the single use duration of top-blown spray gun 1, be convenient for improve the operational reliability and the stability of top-blown spray gun 1, be convenient for reduce the use cost of top-blown spray gun 1, improve the life and the safety in use of top-blown spray gun 1.
In addition, by arranging the gun body housing 100 including the first section 101, the second section 102 and the third section 103 sequentially from top to bottom, different materials can be adopted according to different working environments of different parts of the gun body housing 100, so that the working performance of the top-blowing spray gun 1 can be ensured, the smelting of electronic waste can be facilitated, the manufacturing cost of the top-blowing spray gun 1 can be reduced, and the cost of the electronic waste smelting device can be reduced.
Meanwhile, by arranging the honeycomb fuel nozzle 300, the honeycomb fuel nozzle 300 can be used for compressing and spraying the fuel which is introduced into the top-blowing spray gun 1, so that the spraying efficiency of the fuel is improved, the combustion supporting capability of the top-blowing spray gun 1 is improved, the utilization rate of oxygen and the instantaneous combustion heat value are enhanced, and the processing capability of the electronic waste smelting device on the electronic waste is further improved.
Therefore, the top-blowing lance 1 for the electronic waste smelting device has the advantages of reliable use, convenient operation and the like.
A top-blowing lance 1 for an electronic scrap smelting device according to an embodiment of the present invention will be described with reference to the accompanying drawings.
In some embodiments of the present invention, as shown in fig. 1-3, a top-blowing lance 1 for an electronic scrap smelting device according to an embodiment of the present invention includes a lance housing 100, an inner pipe 200, and a honeycomb fuel nozzle 300.
Alternatively, as shown in fig. 1, the diameters of the first, second and third sections 101, 102, 103 are the same. Thus, the processing and manufacturing of the gun body housing 100 are convenient, compared with a top-blowing spray gun with a diameter of the gun body housing being changed in the related art, the strength and rigidity of the gun body housing 100 can be increased, welding cracking caused by torsion action at the diameter changing part of the gun body housing 100 can be avoided, and the reliability of the gun body housing 100 is further improved.
Specifically, the first section 101 is a welded steel pipe, the second section 103 is a stainless steel seamless pipe, and the third section 103 is a SUS314 super stainless steel seamless pipe. Therefore, the working performance of the gun body shell 100 can be guaranteed, the structural strength and corrosion resistance of the gun body shell 100 are improved, the capability of the gun body shell 100 in a severe environment is improved, the materials for processing the gun body shell 100 can be reasonably used, the use of super stainless steel seamless tube materials is saved, and the manufacturing cost of the gun body shell 100 is further reduced.
More specifically, the portion of the second section 102 above the throat of the electronic waste smelting device is a 304L stainless steel seamless tube and the portion of the second section 102 below the throat of the electronic waste smelting device is a 310S stainless steel seamless tube. Because the part of the second section 102 below the furnace mouth of the electronic waste smelting device is severely corroded by flue gas, and the working condition is severe, the corrosion resistance of the second section 102 of the gun body housing 100 can be improved, the structure of the second section 102 is more reasonable, and the working reliability of the second section 102 is improved.
Optionally, as shown in fig. 1, the inner pipe 200 is further provided with an end pressure sensing interface 202 extending out of the gun body housing 100, and the gun body housing 100 is further provided with a process air interface 113, wherein the fuel interface 201, the end pressure interface 202, the oxygen interface 111 and the process air interface 113 are all quick connectors made of 316 stainless steel. For example, the quick connector may be a GB/T16693-1996 type A male quick connector made of 316 stainless steel. Therefore, the quick connector can be conveniently and rapidly replaced in the use process, the replacement operation of a user is convenient, the replacement efficiency of the quick connector is convenient to improve, the quick connector can be ensured to be used in a strong corrosion environment for a long time without oxidative damage or scabbing, the working reliability of the quick connector is convenient to improve, and the top-blowing spray gun 1 can be rapidly replaced at any time in the working process.
Specifically, the fuel port 201 is located at the top end of the gun body housing 100, the end pressure port 202 is located below the fuel port 201, the oxygen port 111 is located below the end pressure port 202, and the process air port 113 is located below the oxygen port 111, so that the normal use of the top-blowing lance 1 is facilitated.
Further, the top end of the first section 101 has a hanging seat structure. The device is convenient to hoist with a crane lifting hook, is convenient to hoist the top-blowing spray gun 1 on a spray gun trolley, is convenient for a fuel, end pressure, oxygen and process air female end connector on the spray gun trolley to be in butt joint communication with a fuel interface 201, an end pressure sensing interface 202, an oxygen interface 111 and a process air interface 113 of the top-blowing spray gun 1, and is convenient for the top-blowing spray gun 1 to enter a waiting operation state rapidly.
Specifically, as shown in fig. 1, the inner pipe body 200 includes an end pressure return pipe 211, a fuel delivery pipe 212, and a speed increasing and reducing pipe 213, and the end pressure return pipe 211 is connected to the fuel port 201. A fuel delivery pipe 212 is connected below the end pressure return pipe 211. The diameter of the speed increasing reducing pipe 213 is larger than the end pressure return pipe 211 and is connected below the fuel delivery pipe 212, and the honeycomb fuel nozzle 300 is connected below the speed increasing reducing pipe 213. Specifically, the end pressure sensing interface 202 is located at the upper end of the end pressure return pipe 211. Thus, not only is the fuel convenient to convey, but also the flow space of the mixed oxygen combustion-supporting gas can be compressed by utilizing the speed-increasing reducing pipe 213, the flow speed of the mixed oxygen combustion-supporting gas is improved, the combustion-supporting effect is convenient to improve, the consumption of energy is convenient to save, and the air cooling effect of the top-blowing spray gun 1 is convenient to improve. Thus, the process wind is beneficial to speed-up injection of the fuel sprayed by the honeycomb fuel nozzle 300 in a dispersed manner, so that the effects of improving the instantaneous heat value and saving the fuel are achieved.
More specifically, as shown in fig. 1, the top-blowing lance 1 for an electronic scrap smelting device further includes a positioning stepped swirl plate 400, the positioning stepped swirl plate 400 being for forming a swirl flow in the lance body housing 100, the positioning stepped swirl plate 400 being provided on the outer peripheral surface of the end pressure return pipe 211. Therefore, the positioning step swirl plate 400 can be utilized to generate gas swirl so as to achieve the effect of uniform air cooling of the gun body housing 100, the accurate and reliable position of the structure of the top-blowing spray gun 1 can be ensured, and the damage to the top-blowing spray gun 1 caused by dislocation of the inner tube 200 due to the action of external force in transportation, hoisting, replacement and operation is avoided, so that the top-blowing spray gun 1 is protected.
Specifically, the axial angle between the positioning step swirl plate 400 and the end pressure return pipe 211 increases gradually from top to bottom. Thus, the rotational flow generated by the positioning step rotational flow sheet 400 is gradually increased from top to bottom, and a better rotational flow air cooling effect is formed along with the increase of smelting temperature, so that the internal resistance of the top-blowing spray gun 1 is conveniently differentiated.
Optionally, the positioning step swirl plates 400 are multiple and are spaced apart in the axial direction of the end pressure return pipe 211. Therefore, a plurality of positioning ladder swirl plates 400 can be utilized to generate swirl, the capability of generating swirl by the positioning ladder swirl plates 400 can be further improved, different swirl air cooling effects can be further formed by the positioning ladder swirl plates 400 along with different smelting temperatures, and smooth and reliable use of the top-blowing spray gun 1 can be ensured.
Specifically, as shown in fig. 1, the top-blowing lance 1 for an electronic waste smelting device further includes a rotational flow oxygen mixing device 500, and the rotational flow oxygen mixing device 500 is located between the oxygen port 111 and the process air port 113 and includes a plurality of seamless draft tubes spirally extending along the axial direction of the lance housing 100. Thus, the oxygen is convenient to smoothly mix into the process air, the oxygen is convenient to be more fully mixed with the process air, and the smelting capability of the top-blowing spray gun 1 on the electronic waste is further convenient to be improved.
More specifically, the spiral direction of the seamless draft tube is opposite to the spiral direction of the positioning step swirl plate 400. Thus, secondary mixing rotational flow can be generated, so that the mixing of oxygen and process wind is facilitated, the utilization rate of oxygen is further facilitated to be improved, and fuel can be combusted fully. So that the impact mixing of the oxygen and the process wind can be formed, the mixing is more sufficient, and the oxygen utilization rate is improved.
Optionally, the outer edge of the positioning step swirl plate 400 is stopped against the inner surface of the gun body housing 100. Specifically, the outer edge of the positioning step swirl plate 400 rests against the inner surface of the second section 102 of the gun body housing 100. Therefore, the damage to the inner pipe body 200 caused by dislocation of the top-blowing spray gun 1 due to the action of external force in transportation, hoisting, replacement and operation can be further avoided, the cyclone forming size can be further regulated, the cyclone air cooling effect is further improved, the internal resistance of the top-blowing spray gun 1 is further differentiated, and the normal operation of the top-blowing spray gun 1 is conveniently ensured. This facilitates ensuring that the inner tube 200 is not dislocated or damaged by external forces during transportation and use of the device.
Specifically, as shown in fig. 1, the top-blowing lance 1 for an electronic scrap smelting device further includes a force-unloading load-bearing buffer device 600, the force-unloading load-bearing buffer device 600 includes a movable load-bearing flange 610, a buffer pad 620 and a movable ring T-shaped bolt 630, the gun body housing 100 is provided with a connecting flange 120, the movable load-bearing flange 610 is mounted on the connecting flange 120 by the movable ring T-shaped bolt 630 passing through the movable load-bearing flange 610 and the connecting flange 120, the buffer pad 620 is clamped between the movable load-bearing flange 610 and the connecting flange 120, and the movable load-bearing flange 610 is used for being mounted on the electronic scrap smelting device. Specifically, the cushion pad 620 is a cushion soft PTFE pad, and the top-blowing lance 1 is fixedly connected to the lance carriage by a movable load-bearing flange 610. Therefore, the soft connection of the top-blowing spray gun 1 and the spray gun trolley in the operation process can be ensured, the torsion force and the thermal stress generated in the use process of the top-blowing spray gun 1 are convenient to unload, digest and buffer, the top-blowing spray gun 1 is always kept in a vertical state with a furnace body in the use process, the gun body bending caused by the thermal stress is convenient to reduce, and the cracking of materials and welding ports caused by the torsion stress of the top-blowing spray gun 1 in the use process is convenient to reduce.
More specifically, the inner peripheral surface of the mobile load bearing flange 610 is spaced from the outer peripheral surface of the gun body housing 100. Specifically, the inner peripheral surface of the movable weight-bearing flange 610 is spaced apart from the outer peripheral surface of the gun body housing 100. Therefore, not only can the sufficient movable clearance be ensured when the top-blowing spray gun 1 is stirred, but also the twisting force in the operation process can be unloaded by utilizing the movable bearing flange 610, so that the normal operation of the top-blowing spray gun 1 is ensured, the danger of the top-blowing spray gun 1 caused by overlarge twisting force is prevented, and the use safety and reliability of the top-blowing spray gun 1 are improved.
Alternatively, as shown in FIG. 3, the honeycomb fuel nozzle 300 includes a tapered split head 310 and a tapered honeycomb nozzle 320, the tapered split head 310 being connected to the lower end of the inner tube 200. The conical honeycomb nozzle 320 is located below the conical split head 310 and has a compression gap with the conical split head 310, and a plurality of spray holes are formed in the conical honeycomb nozzle 320 and are arranged along the circumferential direction of the conical honeycomb nozzle 320, and the axial direction of each spray hole forms a predetermined angle with the axial direction of the speed increasing reducer 213. Therefore, the introduced fuel can be compressed and sprayed out in a dispersed way through the spray holes, so that the large-area spraying of the combustion-supporting oxygen-mixing gas is facilitated, the spraying speed and the combustion-supporting performance of the combustion-supporting oxygen-mixing gas are facilitated to be improved, and the utilization rate of oxygen and the instantaneous combustion heat value are further facilitated to be enhanced.
Specifically, as shown in fig. 1, the top-blowing lance 1 for an electronic scrap smelting apparatus further includes a main swirl plate 700 for forming a swirl flow in the lance body housing 100, the main swirl plate 700 being provided on the outer peripheral surface of the speed increasing and reducing pipe 213 and spirally extending in the axial direction of the speed increasing and reducing pipe 213. This facilitates the formation of a swirling flow within the gun body housing 100, which is ejected from the nozzle 112 to drive the overall agitation of the gun body and accelerate the smelting reaction of the smelting bath.
Other constructions and operations of the top-blowing lance 1 for an electronic scrap smelting device according to embodiments of the present invention are known to those skilled in the art and will not be described in detail herein.
In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present invention. Furthermore, features defining "first", "second" may include one or more such features, either explicitly or implicitly. In the description of the present invention, unless otherwise indicated, the meaning of "a plurality" is two or more.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
In the description of the present specification, reference to the terms "one embodiment," "some embodiments," "illustrative embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: many changes, modifications, substitutions and variations may be made to the embodiments without departing from the spirit and principles of the invention, the scope of which is defined by the claims and their equivalents.
Claims (13)
1. A top-blowing lance for an electronic scrap smelting device, comprising:
the gun body comprises a gun body shell, wherein the gun body shell comprises a first section, a second section and a third section which are sequentially arranged from top to bottom, at least the third section in the gun body shell is a super stainless steel seamless pipe, an oxygen interface is arranged on the gun body shell, and a nozzle is arranged at the lower end of the gun body shell;
the inner pipe body is arranged in the gun body shell, and a fuel interface extending out of the gun body shell is arranged on the inner pipe body;
A honeycomb fuel nozzle connected to the lower end of the inner tube body and facing the spout;
the first section is a welded steel pipe, the second section is a stainless steel seamless pipe, and the third section is an SUS314 super stainless steel seamless pipe;
The inner tube body includes:
The end pressure return pipe is connected with the fuel interface;
the fuel conveying pipe is connected below the end pressure return pipe;
the diameter of the speed-increasing reducing pipe is larger than that of the end pressure return pipe and is connected below the fuel conveying pipe, and the honeycomb fuel nozzle is connected below the speed-increasing reducing pipe;
The honeycomb fuel nozzle comprises:
the conical shunt head is connected with the lower end of the inner pipe body;
The conical honeycomb nozzle is positioned below the conical flow dividing head and is provided with a compression gap with the conical flow dividing head, the conical honeycomb nozzle is provided with a plurality of spray holes which are arranged along the circumferential direction of the conical honeycomb nozzle, and the axial direction of each spray hole and the axial direction of the speed-increasing reducing pipe form a preset angle.
2. The top-blowing lance for an electronic scrap smelting apparatus in accordance with claim 1 wherein the diameters of the first section, the second section, and the third section are the same.
3. The top-blowing lance for an electronic scrap smelting apparatus in accordance with claim 2 wherein the portion of the second section above the throat of the electronic scrap smelting apparatus is a 304L stainless steel seamless tube and the portion of the second section below the throat of the electronic scrap smelting apparatus is a 310S stainless steel seamless tube.
4. The top-blowing spray gun for the electronic waste smelting device according to claim 1, wherein the inner pipe body is further provided with an end pressure induction interface extending out of the gun body shell, the gun body shell is further provided with a process air interface, and the fuel interface, the end pressure induction interface, the oxygen interface and the process air interface are all quick connectors made of 316 stainless steel.
5. The top-blowing lance for an electronic scrap smelting device in accordance with claim 4 further comprising:
the positioning step swirl piece is used for forming swirl in the gun body shell and is arranged on the outer peripheral surface of the end pressure return pipe.
6. The top-blowing lance of claim 5 wherein the angle between the locating stepped swirl plate and the axial direction of the end pressure return pipe increases progressively from top to bottom.
7. The top-blowing lance for an electronic scrap smelting apparatus in accordance with claim 5 wherein the positioning step swirl vanes are a plurality and are spaced apart in the axial direction of the end pressure return pipe.
8. The top-blowing lance for an electronic scrap smelting apparatus in accordance with claim 5 further comprising:
The cyclone oxygen mixing device is positioned between the oxygen interface and the process air interface and comprises a plurality of seamless guide pipes which extend along the axial direction of the gun body shell in a spiral manner.
9. The top-blowing lance for an electronic scrap smelting apparatus in accordance with claim 8 wherein the direction of the spiral of the seamless draft tube is opposite to the direction of the spiral of the locating stepped swirl vanes.
10. The top-blowing lance for an electronic scrap smelting apparatus in accordance with claim 5 wherein the outer edge of the locating stepped swirl vane abuts against the inner surface of the lance housing.
11. The top-blowing lance for an electronic scrap smelting device in accordance with claim 1 further comprising:
The unloading force bearing buffer device comprises a movable bearing flange, a buffer cushion and a movable ring T-shaped bolt, wherein a connecting flange is arranged on the gun body shell, the movable bearing flange is installed on the connecting flange through the movable ring T-shaped bolt penetrating through the movable bearing flange and the connecting flange, the buffer cushion is clamped between the movable bearing flange and the connecting flange, and the movable bearing flange is used for being installed on the electronic waste smelting device.
12. The top-blowing lance defined in claim 11 wherein the inner peripheral surface of the movable load-bearing flange is spaced from the outer peripheral surface of the lance housing.
13. The top-blowing lance for an electronic scrap smelting device in accordance with claim 1 further comprising:
The main swirl piece is arranged on the outer peripheral surface of the speed-increasing reducing pipe and spirally extends along the axial direction of the speed-increasing reducing pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810077790.1A CN110081716B (en) | 2018-01-26 | 2018-01-26 | Top-blowing spray gun for electronic waste smelting device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810077790.1A CN110081716B (en) | 2018-01-26 | 2018-01-26 | Top-blowing spray gun for electronic waste smelting device |
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| Publication Number | Publication Date |
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| CN110081716A CN110081716A (en) | 2019-08-02 |
| CN110081716B true CN110081716B (en) | 2024-04-23 |
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| CN201810077790.1A Active CN110081716B (en) | 2018-01-26 | 2018-01-26 | Top-blowing spray gun for electronic waste smelting device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110319701A (en) * | 2019-08-15 | 2019-10-11 | 宜兴曜源科技发展有限公司 | Bearing score sprays immersed top-blown spray gun |
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| CN110081716A (en) | 2019-08-02 |
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