CN205714503U - A kind of fuel oil box with outer circulation filter and fuel engines - Google Patents
A kind of fuel oil box with outer circulation filter and fuel engines Download PDFInfo
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- CN205714503U CN205714503U CN201620214461.3U CN201620214461U CN205714503U CN 205714503 U CN205714503 U CN 205714503U CN 201620214461 U CN201620214461 U CN 201620214461U CN 205714503 U CN205714503 U CN 205714503U
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Abstract
The utility model discloses a kind of fuel oil box with outer circulation filter and fuel engines, fuel oil box includes fuel tank and is arranged on the defecator outside fuel tank, defecator includes hydraulic pump, cleaner, takes oil pipe line and return line, takes oil pipe line and return line is arranged on fuel tank shell；Hydraulic pump will suck in fuel from fuel tank, is emitted into fuel tank by return line again after cleaner filters, and the filter element of cleaner is polyamide melt-blown filter.When oil product is contaminated or at set intervals, the fuel oil in fuel tank is circulated filtration, thus eliminate in oil product because long-term place produce metal-oxide, separate out the pollutant such as colloid, asphalitine；When being simultaneously used for the fuel tank of electromotor, electromotor disposal of pollutants can be reduced, reduce oil consumption, reduce engine failure.Oil product can be purified the most repeatedly, it is ensured that oil quality when electromotor does not works simultaneously, improve engine combustion efficiency to greatest extent, reduce disposal of pollutants.
Description
Technical field
This utility model belongs to environmental technology field, is specifically related to a kind of fuel oil box with outer circulation filter and fuel engines.
Background technology
Fuel oil includes gasoline, diesel oil, ethanol petrol, methanol gasoline etc., a large amount of impurity can be produced and be mixed into during producing, transporting and deposit, and the fuel oil of cleaning 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 power-equipment fuel consumption in use for some time increases, the hurried rising of exhaust emissions amount, it is therefore desirable to being cleaned processes.
Oil supply system on existing electromotor is mounted on fuel filter, Chinese patent " a kind of oil supply system of new type gasoline engine; application number: 01122204.2 " as disclosed in calendar year 2001, disclose a kind of oil-feeding device for engine including fuel tank, gasoline filter, petrol pump and carburetor, air compressor, but its oil product that there is problems of supply engine can only disposably be filtered by gasoline filter, it is then directly used for combustion powered, therefore can the most thoroughly cause fuel efficiency decline and exhaust emission bigger due to what oil product filtered.
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 fuel oil box with outer circulation filter, oil storage tank can be circulated filtration, eliminate in oil product because placing the metal-oxide of generation for a long time, separating out the pollutant such as colloid, asphalitine；Simultaneously when for the fuel tank of electromotor, disposal of pollutants can be reduced, improve fuel efficiency, reduce engine failure.
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.
It is known that polyamide is a kind of hydrophilic material, reporting according to existing document, 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 fuel 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.
Concrete technical scheme of the present utility model is as follows:
A kind of fuel oil box with outer circulation filter, including fuel tank and be arranged on the defecator outside fuel tank, described defecator includes hydraulic pump, cleaner, takes oil pipe line and return line, described takes oil pipe line and return line is arranged on fuel tank shell；Described hydraulic pump will suck in fuel from fuel tank, is emitted into fuel tank by return line again after cleaner filters.
In the above-mentioned fuel oil box with outer circulation filter, the filter element of cleaner is polyamide melt-blown filter.
In the above-mentioned fuel oil box with outer circulation filter, the filter material of polyamide melt-blown filter is for using polyamide material to be processed by melt-blown process, and the superfine fibre silk of 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 for the most gradually to successively decrease along tubular structure outer layer to internal layer pore size.
In the above-mentioned fuel oil box with outer circulation filter, filter material thickness is 0.5-30mm, and wherein the average pore size of cylinder portion outer layer filter opening is 10-100 μm, and 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 the above-mentioned fuel oil box with outer circulation filter, 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 the above-mentioned fuel oil box with outer circulation filter, it is provided with check valve on oil pipe line taking.
In the above-mentioned fuel oil box with outer circulation filter, defecator also comprises heating unit, the parts that to fuel tank, can take in oil pipe line, return line, filtering assembly or the heating of multiple parts.
In the above-mentioned fuel oil box with outer circulation filter, fuel tank is oil storage tank.
In the above-mentioned fuel oil box with outer circulation filter, fuel oil is diesel oil, gasoline, kerosene or ethanol blended fuel oil.
A kind of fuel engines, comprises the fuel oil box with outer circulation filter.
The technique effect that this utility model has is as follows:
1, this utility model by arranging outer circulation filter to fuel tank, when oil product is contaminated or at set intervals, fuel oil in fuel tank is circulated filtration, thus eliminates in oil product because placing metal-oxide, the precipitation pollutant such as colloid, asphalitine produced for a long time.
2, this utility model can be when electromotor work, reciprocal purification oil circulation to fuel tank internal combustion, oil product can be made to rise 4 NAS grades, and the cleaner within common engine is unidirectional disposable filtering, it is impossible to reach the best effect after 20 minutes.By the circulating filtration to oil product so that the fuel oil of electromotor is clean, extend engine life and maintenance period, reduce engine consumption and maintenance cost, thus reduce power consumption cost, improve fuel efficiency, reduce disposal of pollutants, reduce the vibrations of engine system and the damage to potted component.
2, the utility model proposes and a kind of utilize meltblown polyamide material to make the scheme of filter element and filter, by controlling the structural parameters of filter material, achieve the filtration of oil product, 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.
3, the present invention 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.
4, the present invention 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.
Accompanying drawing explanation
Fig. 1 is this utility model fuel oil box principle schematic with outer circulation filter；
Fig. 2 is the structural representation of this utility model melt-blown filter；
Fig. 3 is the structural representation of this utility model device for melt blowing；
Fig. 4 is this utility model meltblown beam operation principle schematic diagram；
Fig. 5 is this utility model principle schematic for engine oil tank.
Reference is as follows: 1 pipeline；2 cleaners；3 hydraulic pumps；4 check valves；5 fuel tanks；6 electromotors；7 engine fuel systems；71 air compressors；72 extruders；73 filter elements；74 manifold；75 meltblown beam；76 receive unit；77 cutter units；81 air chamber；82 die head mainboards；83 heating plates；84 gas circuits；85 material roads；91 upper end covers；92 bottom end covers；93 melt-blown filter materials；94 oil-outs；95 melt-blown filter material internal layers；96 melt-blown filter material outer layers；97 skeletons.
Detailed description of the invention
As it is shown in figure 1, with the fuel oil box of outer circulation filter, including fuel tank 5 be arranged on the defecator outside fuel tank, fuel tank can be oil storage tank, it is also possible to be the fuel tank of electromotor.Defecator includes hydraulic pump 3, cleaner 2, takes oil and return line 1, and the described oil that takes is arranged on fuel tank 5 housing with return line 1；Described hydraulic pump 3 will suck in fuel from fuel tank 5, is emitted into fuel tank 5 by return line again, is provided with check valve 4 taking, prevents fuel oil from backflowing on oil pipe line after cleaner 2 filters.
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 fuel oil being suitable for bigger range of viscosities, has over-voltage protecting function and relief function simultaneously.
As in figure 2 it is shown, filter element of the present utility model includes that 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, skeleton is then arranged on inside filter material for pressure-bearing.Upper end cover 91 has oil outlet 94, and bottom end cover 92 is then sealed in the bottom of filter material 93.Impurity is filtered through filter material body by the oil product filtered from the outer layer of filter material, then flows out through oil outlet 94.Filter material uses polyamide material to be processed by melt-blown process, and the superfine fibre silk of ejection is through mutually bonding and is wound around the hollow cylindrical structure made；Filter material is open structure, forms the filter opening of different pore size；The size distribution mode of filter opening is for the most gradually to successively decrease along tubular structure outer layer to internal layer pore size.Wherein filter material thickness is 0.5-30mm, and wherein the average pore size of cylinder portion outer layer filter opening is 10-100 μm, and the average pore size of cylinder portion internal layer filter opening 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%.
This utility model is by controlling the structural parameters of filter material, it is achieved that combustion oil filtration, 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, stays the outer layer of filter material by the impurity of big particle diameter, and 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. 3 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 is the extruding of solid high polymer, aerofluxus, melted, mixing homogenizing, quantitatively exports high polymer melt under stationary temperature and pressure.Filter element 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 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 4, 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.
In order to adapt to low temperature environment work, apparatus for purifying oil products of the present utility model comprises heating unit, the parts that to fuel tank 5, can take in oil pipe line 1, return line 1, cleaner 2 or the heating of multiple parts, can temperature oil temperature being added to specify quickly, it is ensured that purifier is without region of bypassed oil.
This utility model uses meltblown polyamide filter element, emulsified water and free water can be filtered, can also adsorb and the impurity such as the colloid in oil purification, solid particle, filter efficiency reaches more than 99%, promote more than a NAS rank to filtering an after stain grade at oil product, repeatedly filter within finally making oil product granularity grade be maintained at NAS 8 grades.
As it is shown in figure 5, fuel engines of the present utility model includes engine fuel system and the fuel oil box with outer circulation filter, when in electromotor work or can not work, reciprocal purification oil circulation to fuel tank internal combustion, improves oil product cleanliness factor.
It is known that the harm that electromotor is produced by low grade oils mainly has:
One, there is atomizer blocking, abrasion aggravation, the lost of life in electromotor after using with serious pollution fuel oil.Insufficient fuel oil that burns emits with the form of black smoke, causes severe contamination to environment again；
Two, engine cylinder-body produces carbon deposit, and engine system temperatures is too high, and tank pressure is excessive, parts compressive deformation；
Three, electromotor operating generation noise is too high, engine system strenuous vibration, and each parts matching part is caused loosening by shake, and gap becomes big；
The impurity such as the sulfur that four, contains in oil product, water, at high temperature generate strong acid, and engine hydraulic/fuel transfer system component is by the corrosion and damage of poor quality fuel oil；
Oil product, when electromotor, when being simultaneously used for the fuel tank of electromotor, is purified, filters out the impurity in diesel oil and moisture, improve the andfrictional conditions in electromotor couples gap by fuel tank of the present utility model the most repeatedly.Couples work is more smooth than before purifying, and frictional resistance is less.Ensure that oil feed line mesohigh fuel oil service pressure.Atomizer inner needle valve is improved due to lubrication, and duty takes a turn for the better, and frictional resistance reduces, and the process time of open and close shortens, and injection pressure gets a promotion, and fuel-oil atmozation is good, and fully, power promotes in burning, and oil consumption declines, and black smoke reduces.Extend engine life and maintenance period, maintenance cost, thus save power consumption cost.
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. the fuel oil box with outer circulation filter, it is characterized in that: include fuel tank and be arranged on the defecator outside fuel tank, described defecator includes hydraulic pump, cleaner, takes oil pipe line and return line, described takes oil pipe line and return line is arranged on fuel tank shell；Described hydraulic pump will suck in fuel from fuel tank, is emitted into fuel tank by return line again after cleaner filters.
A kind of fuel oil box with outer circulation filter the most according to claim 1, it is characterised in that: the filter element of described cleaner is polyamide melt-blown filter.
A kind of fuel oil box with outer circulation filter the most according to claim 2, it is characterised in that: the filter material of described polyamide melt-blown filter 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.
A kind of fuel oil box with outer circulation filter the most according to claim 3, it is characterized in that: described 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%.
A kind of fuel oil box with outer circulation filter the most according to claim 4, it is characterized in that: described 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%.
A kind of fuel oil box with outer circulation filter the most according to claim 1, it is characterised in that: it is provided with check valve on oil pipe line taking.
A kind of fuel oil box with outer circulation filter the most according to claim 1, it is characterised in that: defecator also comprises heating unit, the parts that to fuel tank, can take in oil pipe line, return line, filtering assembly or the heating of multiple parts.
A kind of fuel oil box with outer circulation filter the most according to claim 1, it is characterised in that: described fuel tank is oil storage tank.
A kind of fuel oil box with outer circulation filter the most according to claim 1, it is characterised in that: described fuel oil is diesel oil, gasoline or kerosene.
10. a fuel engines, it is characterised in that: described electromotor comprise claim 1-7 one of arbitrarily as described in the fuel oil box with outer circulation filter.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201620214461.3U CN205714503U (en) | 2016-03-21 | 2016-03-21 | A kind of fuel oil box with outer circulation filter and fuel engines |
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| CN201620214461.3U CN205714503U (en) | 2016-03-21 | 2016-03-21 | A kind of fuel oil box with outer circulation filter and fuel engines |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105715424A (en) * | 2016-03-21 | 2016-06-29 | 西安天厚滤清技术有限责任公司 | Fuel oil tank with external circulation filtering device and fuel oil engine |
| CN110466784A (en) * | 2019-08-18 | 2019-11-19 | 王建荣 | A kind of fuel tanker anti-corrosion structure |
-
2016
- 2016-03-21 CN CN201620214461.3U patent/CN205714503U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105715424A (en) * | 2016-03-21 | 2016-06-29 | 西安天厚滤清技术有限责任公司 | Fuel oil tank with external circulation filtering device and fuel oil engine |
| CN110466784A (en) * | 2019-08-18 | 2019-11-19 | 王建荣 | A kind of fuel tanker anti-corrosion structure |
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