CN205569876U - Oil circulation purifier based on polyamide melts sprinkling filter core - Google Patents
Oil circulation purifier based on polyamide melts sprinkling filter core Download PDFInfo
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- CN205569876U CN205569876U CN201620214518.XU CN201620214518U CN205569876U CN 205569876 U CN205569876 U CN 205569876U CN 201620214518 U CN201620214518 U CN 201620214518U CN 205569876 U CN205569876 U CN 205569876U
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Abstract
The utility model discloses an oil circulation purifier based on polyamide melts sprinkling filter core, include oil storage device, hydraulic pump and filter through the pipeline hookup, the hydraulic pump pass through the pipeline and need filterable oil flow back again after the filter filters to the oil storage device in from inhaleing in the oil storage device, filter adoption polyamide melts the sprinkling filter core and carries out the oil filtration, and the filter core includes upper end cover, bottom end cover and polyamide filter media, and the polyamide filter media adopts polyamide material to pass through melt blowing process and handles, and its spun superfine fiber silk is through the mutual adhesion and twine the well empty cylindrical shape structure of making, the filter media be loose construction, form the filtration pore in different apertures, the pore size distribution mode of filtration pore does, steadilys decrease gradually in proper order to the inlayer pore size along the tubular structure is outer. The utility model has the characteristics of higher filter fineness, pollutant carrying capacity and water oil separating ability to resistant oil corrosion, highly reliable etc. Has, the filtration requirement of common oil has been satisfied.
Description
Technical field
This utility model belongs to environmental technology field, is specifically related to a kind of defecator for oil purification.
Background technology
Engine fuel can produce and be mixed into a large amount of impurity during producing, transporting and deposit.Clean fuel oil also can produce metal-oxide after storage a period of time, separate out the pollutant such as colloid, asphalitine.The fuel oil of severe contamination can cause the abrasion at the positions such as electromotor injection system and combustor and carbon distribution to generate so that electromotor fuel consumption in use for some time increases, the hurried rising of exhaust emissions amount.The most universal solution is to install oil product filter on the engine, removes impurity, colloid, asphalitine and moisture etc. in fuel oil, makes fuel oil clean.Clean fuel oil can improve efficiency of combustion thus saving fuel oil, reduction discharge；Also can reduce electromotor heel and toe wear, increasing service life of engine, make electromotor slow down along with the trend extending oil consumption increase of the time of use.
The oil product filter of the most domestic more than 98% uses wood pulp filter paper, in high precision composite filter paper or wire netting to be filter material, to reach to remove impurity and the purpose of moisture in oil product.The circulating resistance of filter paper is big in high precision, water environment capacity is poor, service life is short；Though wood pulp paper and wire netting have the advantage that circulating resistance is little, but filtering accuracy is low, filter efficiency is poor.These several filter materials all can not meet the requirement that in industrial processes, oil product is filtered by equipment, causes the problems such as equipment failure rate height, low, the lost of life of operational efficiency.
During material melt-blown process is widely used in the manufacture of polypropylene material for core at present.Melt-blown is exactly that after high temperature is extruded, polymeric material is formed superfine cellosilk, and it is prepared as corresponding shape and structure, it is strong that polypropylene melt-blown filter material has water environment capacity, filtering accuracy advantages of higher, and it is prone to batch production, but it is currently only used for the filtration of air and water, this is because industrial oil the most all contains alkane, alkene, cycloalkane, aromatic hydrocarbon, polycyclic aromatic hydrocarbon and a small amount of sulfur, nitrogen compound etc., contact oil product can cause polypropylene articles to be dissolved corrosion for a long time, it is swelled into grume, lose filter capacity, therefore, polypropylene melt-blown filter material cannot be applied to industrial oil filtration art.
Therefore from the point of view of the filtering perspective of industrial oil, it is badly in need of the melt-blown filter wanting a kind of special material to make through melt-blown process, and the advantage with conventional meltblown filter element, it is resistant to the corrosion of the oil products such as diesel oil, gasoline, ethanol simultaneously, and the Colophonium contained in oil product, water, dust, mechanical admixture etc. can be filtered, especially there is certain oil-water separation.
The Chinese patent of Application No. 200510040447.2 discloses " oil-water separating net of a kind of super-hydrophobic/super-oleophilic ", proposes to cover one layer of hydrophobic and thin film of oleophylic in fabric web, utilizes the hydrophobic function of thin film, it is achieved the oil-water separation in oil product.This is the technical thought that current oil product filtration art is commonly used, i.e. uses hydrophobicity filter material, is separated by water, and " dredging " aqueous of filter material can be the best from fuel oil, and its effect separating water is the best.But this film producing process of problem existed is complicated, and other filtering function and index are the best, it is difficult to obtain practical popularization.
Utility model content
The utility model proposes a kind of oil product circulating purifying device based on polyamide melt-blown filter, may be used for the filtration of the oil product of fuel oil or non-fuel oil, it is achieved that the cleaning of oil product.For fuel oil, fuel efficiency can be improved, reduce disposal of pollutants；For non-fuel oil, can in the case of not shutting down circulating filtration, promote the cleannes of non-fuel oil, extend the service life of oil product, reduce equipment fault.
Concrete technical scheme of the present utility model is as follows:
Oil product circulating purifying device based on polyamide melt-blown filter, including the Fuel Tanking Unit coupled by pipeline, hydraulic pump, cleaner and control unit, described hydraulic pump will need the oil product filtered to be back in Fuel Tanking Unit after suction filter filtration from Fuel Tanking Unit by pipeline again；
Described cleaner uses polyamide melt-blown filter to carry out oil product filtration, described polyamide melt-blown filter includes upper end cover, bottom end cover and polyamide filter material, upper end cover and bottom end cover are fixed on the two ends of polyamide filter material, a upper end cover and bottom end cover at least end cap is provided with oil outlet, described polyamide filter material uses polyamide material to be processed by melt-blown process, and the superfine fibre silk of its ejection is through mutually bonding and is wound around the hollow cylindrical structure made；Described filter material is open structure, forms the filter opening of different pore size；The size distribution mode of described filter opening is the most gradually to successively decrease along tubular structure outer layer to internal layer pore size.
In above-mentioned oil product circulating purifying device based on polyamide melt-blown filter, polyamide filter material thickness is 0.5-30mm, wherein the average pore size of cylinder portion outer layer filter opening is 10-100 μm, the average pore size of cylinder portion internal layer filter opening is 1-50 μm, the average diameter of meltblown fibers silk is 0.1-80 μm, and the porosity of filter material is more than 80%.
In above-mentioned oil product circulating purifying device based on polyamide melt-blown filter, polyamide filter material thickness is 5-20mm, and the average pore size of cylinder portion outer layer is 20-40 μm, and the average pore size of cylinder portion internal layer is 10-20 μm, the average diameter range of meltblown fibers silk is 5-50 μm, and the porosity of filter material is more than 90%.
In above-mentioned oil product circulating purifying device based on polyamide melt-blown filter, polyamide is PA6 and PA66.
In above-mentioned oil product circulating purifying device based on polyamide melt-blown filter, filter element also includes that the folded filter paper of tubular structure, described folded filter paper are coaxially disposed with polyamide filter material, and is fixed on the inside of polyamide filter material by skeleton.
In above-mentioned oil product circulating purifying device based on polyamide melt-blown filter, filter paper folds for high accuracy composite filter paper and forms；The average pore size of filter paper body is 1-100 μm, thickness 0.3-1.5mm.
In above-mentioned oil product circulating purifying device based on polyamide melt-blown filter, also it is included in pipeline the check valve arranged, is used for preventing oil product from refluxing.
In above-mentioned oil product circulating purifying device based on polyamide melt-blown filter, being also included in pipeline the overflow valve arranged, in pipeline, pressure opens relief function time excessive.
In above-mentioned oil product circulating purifying device based on polyamide melt-blown filter, oil purifier comprises heating unit, can heat Fuel Tanking Unit, pipeline or cleaner.
In above-mentioned oil product circulating purifying device based on polyamide melt-blown filter, oil product is fuel oil, machine oil or hydraulic oil.
The technique effect that this utility model has is as follows:
One, the utility model proposes a kind of defecator for oil purification, by the filter type of extracorporeal circulation, oil product is carried out cleaning and process.For fuel oil, the objectionable impurities (colloid that includes in diesel oil, asphalitine etc.) of in fuel oil more than 90% can be filtered, and there is stronger oil-water separating function；The cleaning of diesel oil can be ensured to greatest extent, thus reach to protect electromotor, reduce abrasion, increasing service life of engine, raising fuel utilization ratio, reduction oil consumption, improve exhaust emissions；For non-fuel oil, can in the case of not shutting down circulating filtration, promote the cleannes of non-fuel oil, extend the service life of oil product, reduce equipment fault.
Two it is known that polyamide is a kind of hydrophilic material, and according to the thinking in aforementioned background art, water wetted material is not suitable for filter material, and main cause is non-hydrophobic material, it is difficult to realize the oil-water separation in oil product.The utility model proposes and a kind of utilize meltblown polyamide material to make the scheme of filter material, filter element and filter, by controlling the structural parameters of filter material, achieve the filtration of the oil product such as fuel oil or lubricating oil, on the premise of guaranteeing that material has the corrosion of oil resistant resistance to alcohol, there is higher filtering accuracy, water environment capacity and oil and water separation capability, the program breaches tradition filter material can only select the restriction of hydrophobic material to meet oil-water separation index, the feature such as corrosion-resistant, highly reliable making full use of that polyamide material has in oil product, meets the filtering requirement of common oil product.
Three, this utility model in melt-blown process by controlling the parameters such as the temperature of filametntary output aperture, melt-blown pressure, the temperature of extruder, the temperature of manifold and meltblown beam, melt-blown fibre diameter parameter is made to reach to design requirement, simultaneously by changing reception speed and the receiving angle receiving unit in melt blown process, control the mean porosities on filter material and the aperture of filter opening, filter opening is gradually successively decreased from outer layer to internal layer, is finally reached design requirement.
Four, this utility model is by the master batch additive that is mixed in cutting into slices at polyamide, substantially increases filametntary toughness and intensity, overcomes meltblown fibers silk fracture of wire, thickness is uneven, production efficiency is low problem.
Five, the filter element of this utility model optimal way has polyamide filter material and filter paper double medium filtration function, and wherein polyamide filter material realizes filtering and emulsified water breakdown of emulsion, and filter paper is used for further fine straining and oil-water separation, and the two combination can improve filtering accuracy further.
Six, the check valve that this utility model is arranged in pipeline, is used for preventing oil product from refluxing；The overflow valve simultaneously arranged in pipeline, in pipeline, pressure opens relief function time excessive, it is ensured that the safety of purifier.
Accompanying drawing explanation
Fig. 1 is the principle schematic of this utility model energy oil purifier；
Fig. 2 is the structural representation of this utility model melt-blown filter；
Fig. 3 is the composite filter element structural representation that this utility model comprises filter paper and polyamide filter paper；
Fig. 4 is the profile in F-F direction in Fig. 3；
Fig. 5 is the structural representation of this utility model device for melt blowing；
Fig. 6 is this utility model meltblown beam operation principle schematic diagram；
Reference is as follows: 1 is cleaner；2 is overflow valve；3 is hydraulic pump；4 is Fuel Tanking Unit；5 is pipeline；6 is check valve；11 is automatic drain valve；12 is heating unit；71 is air compressor；72 is extruder；73 is filter element；74 is manifold；75 is meltblown beam；76 for receiving unit；77 is cutter unit；81 is air chamber；82 is die head mainboard；83 is heating plate；84 is gas circuit；85 is material road；91 is upper end cover；92 is bottom end cover；93 is melt-blown filter material；94 is oil-out；95 is melt-blown filter material internal layer；96 is melt-blown filter material outer layer；97 is skeleton；99 is folded filter paper.
Detailed description of the invention
As shown in Figure 1, this utility model oil product based on polyamide melt-blown filter circulating purifying device includes Fuel Tanking Unit 4, hydraulic pump 3, cleaner 1, check valve 6 and the overflow valve 2 coupled by pipeline, and described hydraulic pump 3 is back in Fuel Tanking Unit 4 after being needed the oil product filtered by pipeline 5 suction filter 1 filters from Fuel Tanking Unit 4 again；Check valve 6 is used for preventing oil product from refluxing, and opens relief function when overflow valve 2 pressure in pipeline is excessive；When cleaner 1 impurity too much causes blocking or other reason to cause pressure reduction in pipeline excessive, overflow valve 2 is opened, and reduces channel interior pressure, it is to avoid system is caused damage by high pressure.
Cleaner 1 to use different filter elements according to the oil product of different viscosities scope, filter element should meet the filtering rate in range of viscosities simultaneously, i.e. system entirety oil circuit flow, thus ensure filter efficiency, repeatedly filter within finally making the granularity grade of oil product be maintained at NAS 8 grades.
Hydraulic pump 3 is by motor-driven, and motor selection should be taken into account explosive-proof grade, watt level, is suitable for the range of viscosities of oil product, is allowed to match with the parameter of electric machine.Oil pump should meet the lubricating oil being suitable for bigger range of viscosities, has over-voltage protecting function and relief function simultaneously.
In order to adapt to low temperature environment work, apparatus for purifying oil products of the present utility model comprises heating unit 12, parts in Fuel Tanking Unit 4, pipeline 5, cleaner 1 or multiple parts can be heated, can temperature oil temperature being added to specify quickly, it is ensured that purifier is without region of bypassed oil.When using in cold environment, can prevent its low temperature from solidifying, improve the mobility filtering oil product.
As shown in Figure 2, filter element in this utility model cleaner includes filter material 93, upper end cover 91 and bottom end cover 92, upper end cover 91 and bottom end cover 92 are connected in the two ends of polyamide filter material 93, and skeleton 97 is then arranged on inside filter material in pressure-bearing, figure 95 and 95 and is respectively internal layer and the outer layer of filter material；Upper end cover 91 has oil outlet 94, and bottom end cover 92 is then sealed in the bottom of filter material 93.Wherein thickness i.e. the wall thickness of filter material is 0.5-30mm, depending on height is according to different filter element yardsticks.Being dispersed with the filter opening the most gradually successively decreased in aperture on filter material, wherein the average pore size of cylinder portion outer layer is 10-100 μm, and the average pore size of cylinder portion internal layer is 1-50 μm, and the average diameter of meltblown fibers silk is 0.1-80 μm, and the porosity of filter material is more than 80%.As a kind of optimal way, upper end cover 91, bottom end cover 92 are all used polyamide material, are integrated by hot plate welding technique welding with polyamide filter material, owing to the average void fraction of filter material is relatively big, and therefore welding temperature to be controlled and the time in welding.
As shown in Figure 3 and Figure 4, as a kind of optimal way, outside the skeleton of filter element, tubular filter material be internally provided with the tubular folded filter paper 99 coaxial with filter material；Filter paper folds for high accuracy composite filter paper and forms, and the average pore size of filter paper is 1-100 μm, thickness 0.3-1.5mm.Wherein polyamide filter material realizes filtering and emulsified water breakdown of emulsion, and folded filter paper 99 uses existing conventional filter paper to make, and for further fine straining and oil-water separation, the two combination can improve filtering accuracy and oil-water separation rate further.
This utility model is by controlling the structural parameters of filter material, it is achieved that the filtration of the oil product such as fuel oil or lubricating oil, has higher filtering accuracy, water environment capacity and oil and water separation capability.As a kind of optimal way, filter material thickness is 5-20mm, and the average pore size of cylinder portion outer layer is 20-40 μm, the average pore size of cylinder portion internal layer is 10-20 μm, and the average diameter of meltblown fibers silk is 5-50 μm, and the porosity of filter material is more than 90%, these parameters can further improve filtration index, optimizes performance.
This utility model work principle of filter is as follows: when oil product is exported by oil outlet through filter material by the outside of filter element again, Colophonium, dust and mechanical admixture in oil product are blocked and adsorb on filter material, and by higher mean porosities parameter, improve the carrying capacity to impurity；The setting of the filter opening gradually successively decreased to internal layer by outer layer in addition, by the trash flow of big particle diameter at the outer layer of filter material, the impurity absorption of small particle is in the inside of filter material.Its mechanism with higher oil-water separating function is described below:
Polyamide melt-blown filter materials is originally as hydrophilic oleophobic material, and its material itself has the hydrophilic of excellence, and the cellosilk of melt-blown formation is very thin, has been internally formed numerous capillary holes during being wound hollow tube-shape filter material.Result of study shows, in oil product, overwhelming majority water is to exist with the little water droplet of free state, and the aperture in the capillary hole that either filament diameter is still formed is respectively less than the diameter of most little water droplet in filter material of the present utility model, see in microstructure, the surface tension of oil product drop is much smaller than water droplet, so utilize surface tension that fine liquid particles is bigger and by mutual affine cohesion with water wetted material during capillary hole, it is aggregated into free water after making the emulsified water breakdown of emulsion in fuel oil, free water mutually collides convergence for larger-diameter water droplet, sedimentation collects in cleaner bottom secction under gravity, finally discharged by blowoff valve.
Fig. 5 gives the manufacture device of this utility model polyamide filter material, including air compressor 71, extruder 72, filter element 73, manifold 74, meltblown beam 75, receive unit 76 and cutter unit 77, air compressor 71 provides high-pressure air source for extruder 72, the raw material that extruder 72 adds adds and enters manifold 74 after filter element 73 is by contaminant filter after heat fusing, manifold 74 side is provided with meltblown beam 75, fused raw material is extruded through the aperture of meltblown beam 75, and under high-temperature high-speed airflow effect melt-blown go out superfine fibre silk to receive unit 76, receive unit and cellosilk is rolled into tubular, receive unit 76 connection and have cutter unit 77, realize the ends cutting of filter material.Receiving and be provided with rotary shaft on unit 76, meltblown fibers is the most repeatedly wound around and is formed long tubular element by traction continuously.Obtain different fibre density, wall thickness and the differentiated aperture value of ectonexine by adjusting the parameter receiving unit, be then cut unit 77 and cut off the melt-blown filter forming suitable dimension.
The effect of extruder 72 is the extruding of solid high polymer, aerofluxus, melted, mixing homogenizing, quantitatively exports high polymer melt under stationary temperature and pressure.Filter element 73 is used to the device filtering molten polymer, has a circular groove inside it, is used for placing multiple filtration net, it is achieved the contaminant filter in material.The effect of manifold 74 is the melted chain rupture promoting polymer, and the flow path that material is in manifold is equal, absorbs heat energy equal, and the pump continuous and quantitative that is finally measured extrusion is got to know.
Meltblown beam is illustrated as shown in Figure 6, supply and feed two parts it are divided into inside it, that expects road 85 both above and below has gas circuit 84, and between gas circuit and material road, have the angle of 60 °, die head mainboard 82 is internally provided with air chamber 81, it is provided with heating plate 83 between material road 85 and gas circuit 84, when two strands of airflow collisions form turbulent flow, promotes the molten polymer expecting road 85 extrusion quickly to form fiber.Nylon meltblown fibers is received unit and receives the formation melt-blown filter material of tubular nylon, and the reception speed adjusting reception unit makes nylon melt-blown tubular filter material depart from it；Cutter unit includes buncher and the cutting knife automatically controlled, and filter material is cut by the length according to setting.
This utility model preferably has the equipment of both-end meltblown beam, say, that two sides of manifold 74 are provided with meltblown beam 75 and the reception unit 76 matched and cutter unit 77, and two meltblown beam automatically control respectively, substantially increase production efficiency.
The manufacturing step of polyamide filter material of the present utility model is as follows:
[1] polyamide section being added extruder hopper, hopper heater is set as 40-50 DEG C, the baking material time is 4 hours；
[2] condition of spinning manifold temperature rises to 240-300 DEG C, and fast replacing device is warming up to 240 ± 10 DEG C, and extruder is warming up to 300 ± 10 DEG C.Polyamide raw materials is heated in an extruder after melting and is delivered to filter element, is assigned to manifold after described filter element filters impurity；
[3] meltblown beam is forced into 0.05-0.07MPa, and temperature rises to 240-300 DEG C, and fused raw material is extruded through the aperture of meltblown beam, becomes melt-blown micro fibre in the strong drawing-off of high-temperature high-speed airflow, and wherein the pressure of extruder is 2MPa；
[4] meltblown fibers is received unit and is rolled into cylindric melt-blown filter material, and by changing the reception speed and receiving angle receiving unit, ensures the porosity parameter of filter material, and the most gradually successively decrease in the aperture realizing filter opening；
[5] filter material is cut into the tubular filter material of appropriate length by cutter unit.
Wherein adjust 2MPa when the pressure of extruder, fused raw material can be extruded into 0.1-80 μm thread.Receive device and move horizontally the reception long tubular element of formation, and size cuts off molding as requested.
As required, step [1] is additionally included in polyamide section the master batch being mixed into, described master batch includes one or more in filler, coupling agent or dispersant, wherein filler includes calcium carbonate, Pulvis Talci etc., coupling agent such as carbonic ester silane etc., dispersant such as Tissuemat E, stearic acid salt etc..Wherein the particle diameter of master batch is 1-3m, and polyamide section and the ratio adding master batch are 1:0.03.
According to the filter element universal test method in cleaner industry, being detected the parameter of filter element, concrete detection method and condition are as follows:
(1) pollutant holding capability:
It is measured by the amount being trapped after cleaner under certain time, flow with certain standard pollutant, refers to international standard ISO 19438:2003 automobile engine diesel fuel filter and the assay method particle counting of gasoline filter filtering efficiency and impurity storage capacity.
(2) original circulating resistance
Measurement cleaner is when nominal volume flow, and test oil is by the differential static pressure of cleaner.Refer to machinery industry standard JBT 5239.4-2011 diesel filter for diesel engine the 4th part: test method 6.4 original resistance is tested；Or see automobile industry standard QCT 772-2006 automobile diesel fuel filter test method；Or see the fuel filter part 1 of ISO 4020-2001 road vehicle Diesel engine: test method.
(3) oil-water separation rate
Measure the percentage ratio that aqueous standard oil is reduced by the water concentration before and after cleaner, refer to the appraisal procedure of international standard ISO TS 16,332 2006 diesel engine fuel oil cleaner oil-water separation usefulness or according to SAE J 1839 (97) coarse microdroplet water/fuel separation test code.
(4) filtering accuracy
According to the standard solid composition granule size intercepted by cleaner under nominal volume flow and quantitative measurement cleaner filtering accuracy and filter efficiency, refer to international standard ISO 19438:2003 automobile engine diesel fuel filter and the assay method particle counting of gasoline filter filtering efficiency and impurity storage capacity or the diesel fuel filter of the domestic combustion engine of ISO/TR 13353-2003, original effect, vitality capacity and the gravity effect calculated with particle.
(5) aperture and porosity
Non-infiltration liquid is only allowed for access porous body when applying external force, in the case of continuous supercharging, and when entering hydrargyrum volume as external pressure function, i.e. available enters the hydrargyrum volume evacuated in sample under external force, thus records the pore-size distribution of sample.Mensuration mode can use continuous supercharging mode, it is possible to after using step-by-step pressurization mode, i.e. certain interval of time to reach balance, then measures into hydrargyrum volume.Refer to GBT 21650.1-2011
/ ISO15901:2005 mercury injection method and gas determination of adsorption method solid material pore-size distribution and porosity part 1: mercury injection method.
The specific embodiment of several group filter elements be given below:
Embodiment 1: material is PA6；Filter material barrel lenght is 200mm, and filter material cylinder external diameter is 100mm, and the thickness of filter material cylinder is 10mm, the average pore size of filter core cylinder volume surrounding is 10 μm, the average pore size of filter element barrel inner is 1 μm, and the average diameter of meltblown fibers silk is 0.1 μm, porosity 80.2%；Filtering oil product type is gasoline；It is applied to the filter effect of gasoline filter: the filter efficiency to 5-10 μm granule is 99.09%；Water environment capacity is 60.11g, and during nominal volume flow 10L/min, original circulating resistance 10kpa, oil-water separation rate is 98.99%.
Embodiment 2: material is PA6；Filter material barrel lenght is 200mm, and filter material cylinder external diameter is 100mm, and the thickness of filter material cylinder is 10mm, the average pore size of filter core cylinder volume surrounding is 100 μm, the average pore size of filter element barrel inner is 50 μm, and the average diameter of meltblown fibers silk is 80 μm, porosity 91.2%；Filtering oil product type is lubricating oil；It is applied to the filter effect of oil filter: the filter efficiency to 5-10 μm granule is 92.01%；Water environment capacity is 122.01g, and during nominal volume flow 10L/min, original circulating resistance 12.01kpa, oil-water separation rate is 91.88%.
Embodiment 3: material is PA6；Filter material barrel lenght is 200mm, and filter material cylinder external diameter is 100mm, and the thickness of filter material cylinder is 10mm, the average pore size of filter core cylinder volume surrounding is 100 μm, the average pore size of filter element barrel inner is 30 μm, and the average diameter of meltblown fibers silk is 25 μm, porosity 90.2%；Filtering oil product type is lubricating oil；It is applied to the filter effect of oil filter: the filter efficiency to 5-10 μm granule is 92.05%；Water environment capacity is 101.88g, and during nominal volume flow 10L/min, original circulating resistance 12.35kpa, oil-water separation rate is 90.53%.
Embodiment 4: material is PA6；Filter material barrel lenght is 200mm, and filter material cylinder external diameter is 100mm, and the thickness of filter material cylinder is 5mm, and the average pore size of filter core cylinder volume surrounding is 20 μm, and the average pore size of filter element barrel inner is 1 μm, and the average diameter of meltblown fibers silk is 50 μm, porosity 81.1%；Filtering oil product type is gasoline；It is applied to the filter effect of gasoline filter: the filter efficiency to 5-10 μm granule is 98.75%；Water environment capacity is 84.74g, and during nominal volume flow 10L/min, original circulating resistance 8.01kpa, oil-water separation rate is 95.13%.
Embodiment 5: material is PA66；Filter material barrel lenght is 200mm, and filter material cylinder external diameter is 100mm, and the thickness of filter material cylinder is 20mm, and the average pore size of filter core cylinder volume surrounding is 100 μm, and the average pore size of filter element barrel inner is 1 μm, and the average diameter of meltblown fibers silk is 80 μm, porosity 86%；Filtering oil product type is gasoline；It is applied to the filter effect of gasoline filter: the filter efficiency to 5-10 μm granule is 95.94%；Water environment capacity is 78.63g, and during nominal volume flow 10L/min, original circulating resistance 9.19kpa, oil-water separation rate is 92.14%.
Embodiment 6: material is PA6；Filter material barrel lenght is 200mm, and filter material cylinder external diameter is 100mm, and the thickness of filter material cylinder is 10mm, the average pore size of filter core cylinder volume surrounding is 40 μm, the average pore size of filter element barrel inner is 10 μm, and the average diameter of meltblown fibers silk is 10 μm, porosity 84.1%；Nested folded filter paper in filter core cylinder body, the average pore size of filter paper is 10 μm；Filtering oil product type is diesel oil；It is applied to the filter effect of diesel fuel filter: the filter efficiency to 5-10 μm granule is 96.15%；Water environment capacity is 109.56g, and during nominal volume flow 10L/min, original circulating resistance 8.27kpa, oil-water separation rate is 96.02%.
Embodiment 7: material is PA66；Filter material barrel lenght is 200mm, and filter material cylinder external diameter is 100mm, and the thickness of filter material cylinder is 10mm, the average pore size of filter core cylinder volume surrounding is 100 μm, the average pore size of filter element barrel inner is 20 μm, and the average diameter of meltblown fibers silk is 15 μm, porosity 90.6%；Nested folded filter paper in filter core cylinder body, the average pore size of filter paper is 20 μm；Filtering oil product type is diesel oil；It is applied to the filter effect of diesel fuel filter: the filter efficiency to 5-10 μm granule is 93.24%；Water environment capacity is 112.99g, and during nominal volume flow 10L/min, original circulating resistance 7.35kpa, oil-water separation rate is 96.36%.
Embodiment 8: material is PA66；Filter material barrel lenght is 200mm, and filter material cylinder external diameter is 100mm, and the thickness of filter material cylinder is 10mm, and the average pore size of filter core cylinder volume surrounding is 50 μm, and the average pore size of filter element barrel inner is 20 μm, and the average diameter of meltblown fibers silk is 5 μm, porosity 83.6%；Nested folded filter paper in filter core cylinder body, the average pore size of filter paper is 10 μm；Filtering oil product type is diesel oil；It is applied to the filter effect of diesel fuel filter: the filter efficiency to 5-10 μm granule is 96.92%；Water environment capacity is 88.60g, and during nominal volume flow 10L/min, original circulating resistance 8.66kpa, oil-water separation rate is 97.98%.
This utility model uses polyamide as oil product filter material, is installed in circulating purification outside device.By controlling the structural parameters of filter material, achieve the filtration of the oil product such as fuel oil, lubricating oil, on the premise of guaranteeing that material has the corrosion of oil resistant resistance to alcohol, there is higher filtering accuracy, water environment capacity and oil and water separation capability, the feature such as corrosion-resistant, highly reliable making full use of that polyamide material has in oil product, meets the filtering requirement of common oil product.
Above content is to combine concrete preferred implementation further detailed description of the utility model; it cannot be assumed that detailed description of the invention of the present utility model is only limitted to this; for this utility model person of an ordinary skill in the technical field; without departing from the concept of the premise utility; some simple deduction or replace can also be made, all should be considered as belonging to this utility model and be determined scope of patent protection by the claims submitted to.
Claims (10)
1. oil product circulating purifying device based on polyamide melt-blown filter, it is characterized in that: include Fuel Tanking Unit, hydraulic pump and the cleaner coupled by pipeline, described hydraulic pump will need the oil product filtered to be back in Fuel Tanking Unit after suction filter filtration from Fuel Tanking Unit by pipeline again；
Described cleaner uses polyamide melt-blown filter to carry out oil product filtration, described polyamide melt-blown filter includes upper end cover, bottom end cover and polyamide filter material, upper end cover and bottom end cover are fixed on the two ends of polyamide filter material, a upper end cover and bottom end cover at least end cap is provided with oil outlet, described polyamide filter material be use polyamide material to be processed by melt-blown process, melt-blown go out superfine fibre silk through mutually bonding and be wound around the hollow cylindrical structure made；Described filter material is the open structure comprising some different pore size filter openings；The size distribution mode of described filter opening is for the most gradually to successively decrease along tubular structure outer layer to internal layer pore size.
Oil product circulating purifying device based on polyamide melt-blown filter the most according to claim 1, it is characterized in that: described polyamide filter material thickness is 0.5-30mm, wherein the average pore size of cylinder portion outer layer filter opening is 10-100 μm, the average pore size of cylinder portion internal layer filter opening is 1-50 μm, the average diameter of meltblown fibers silk is 0.1-80 μm, and the porosity of filter material is more than 80%.
Oil product circulating purifying device based on polyamide melt-blown filter the most according to claim 2, it is characterized in that: described polyamide filter material thickness is 5-20mm, the average pore size of cylinder portion outer layer is 20-40 μm, the average pore size of cylinder portion internal layer is 10-20 μm, the average diameter range of meltblown fibers silk is 5-50 μm, and the porosity of filter material is more than 90%.
4. according to claim 1-3 one of arbitrarily described oil product circulating purifying device based on polyamide melt-blown filter, it is characterised in that: polyamide is PA6 and PA66.
5. according to claim 1-3 one of arbitrarily described oil product circulating purifying device based on polyamide melt-blown filter, it is characterized in that: described filter element also includes the folded filter paper of tubular structure, described folded filter paper is coaxially disposed with polyamide filter material, and is fixed on the inside of polyamide filter material by skeleton.
Oil product circulating purifying device based on polyamide melt-blown filter the most according to claim 5, it is characterised in that: described filter paper is high-precision composite filter paper；The average pore size of filter paper body is 1-100 μm, thickness 0.3-1.5mm.
7. according to claim 1-3 one of arbitrarily described oil product circulating purifying device based on polyamide melt-blown filter, it is characterised in that: also it is included in pipeline the check valve arranged, is used for preventing oil product from refluxing.
8. according to claim 1-3 one of arbitrarily described oil product circulating purifying device based on polyamide melt-blown filter, it is characterised in that: being also included in pipeline the overflow valve arranged, in pipeline, pressure opens relief function time excessive.
9. according to claim 1-3 one of arbitrarily described oil product circulating purifying device based on polyamide melt-blown filter, it is characterised in that: described oil purifier comprises heating unit, can heat Fuel Tanking Unit, pipeline or cleaner.
10. according to claim 1-3 one of arbitrarily described oil product circulating purifying device based on polyamide melt-blown filter, it is characterised in that: described oil product is fuel oil, machine oil or hydraulic oil.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105709478A (en) * | 2016-03-21 | 2016-06-29 | 西安天厚滤清技术有限责任公司 | Oil product circulating purification device based on polyamide melt-blown filter element |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105709478A (en) * | 2016-03-21 | 2016-06-29 | 西安天厚滤清技术有限责任公司 | Oil product circulating purification device based on polyamide melt-blown filter element |
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