CN111905410A - Large-traffic compact water trap filter - Google Patents
Large-traffic compact water trap filter Download PDFInfo
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- CN111905410A CN111905410A CN202010790815.XA CN202010790815A CN111905410A CN 111905410 A CN111905410 A CN 111905410A CN 202010790815 A CN202010790815 A CN 202010790815A CN 111905410 A CN111905410 A CN 111905410A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D17/00—Separation of liquids, not provided for elsewhere, e.g. by thermal diffusion
- B01D17/02—Separation of non-miscible liquids
- B01D17/04—Breaking emulsions
- B01D17/045—Breaking emulsions with coalescers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D17/00—Separation of liquids, not provided for elsewhere, e.g. by thermal diffusion
- B01D17/02—Separation of non-miscible liquids
Abstract
The invention discloses a large-flow compact water-collecting filter, which comprises a filter cylinder, an oil inlet cavity, an oil inlet branch pipe, a water-collecting filter element, an oil return cavity and a water-dividing filter element, wherein the oil inlet branch pipe is connected with the oil inlet cavity; the filter cartridge is provided with an oil inlet pipe and an oil return pipe, an oil inlet cavity, an oil inlet branch pipe, a water-collecting filter element and an oil return cavity, wherein the oil inlet branch pipe and a water-dividing filter element are arranged in the filter cartridge, the oil inlet cavity is communicated with the oil inlet pipe, the oil inlet branch pipe is arranged on the oil inlet cavity and communicated with the oil inlet pipe, the water-collecting filter element is sleeved outside the oil inlet branch pipe, the oil return cavity is communicated with the oil return pipe, the oil return branch pipe is arranged on the oil return pipe and communicated with the oil return pipe. The filter element for filtering and gathering water has good condensation effect on water drops, the flow rate of fuel oil passing through the filter element is uniform, the water diversion filter screen adopts a corrugated pleat structure, the risk rate of water drops entering the downstream is reduced, the height drop between the water diversion filter element and the mounting surface of the filter element for filtering and gathering water is provided, the water drops are convenient to settle, the water in the fuel oil of a large-flow fuel oil system can be effectively removed, and the water content in the fuel oil is lower than 150 ppm.
Description
Technical Field
The invention relates to the technical field of fuel oil filtration, in particular to a fuel oil filtration device, and more particularly relates to a large-flow compact water-collecting filter.
Background
At present, in the fields of ships, vehicles, engineering machinery and the like, fuel oil is used as fuel in most power systems, impurities and moisture contained in the fuel oil can accelerate the deterioration of the fuel oil, cause abrasion or blockage of moving parts, corrode parts of the system, reduce combustion efficiency and the like, and therefore the impurities and the moisture in the fuel oil system need to be removed.
To the dewatering, present a great deal of system adopts the coalescence-separation method to get rid of moisture in the fuel, and can reach better effect, but in some large-traffic systems, will obtain better dewatering effect, horizontal structure coalescence-separation filter is generally adopted, because the water gathering filter core and the filter core that divides of horizontal structure filter are horizontal installation, the fuel is earlier through the water gathering filter core that is located the filter inboard below, get into the filter core that divides that is located the top again, the water droplet that the filter core that gathers realizes subsiding under the action of gravity very easily, horizontal mode is favorable to the coalescence-separation dewatering efficiency. However, the horizontal structure filter has large transverse occupied space and large maintenance space, and the structure is not ideal enough for some systems with compact requirements on spatial arrangement.
Therefore, consider to adopt the upright structure filter, but the catchment filter core and the filter core that divides of upright structure filter are vertical installation, and the drop of water that gathers out through the catchment filter core can receive horizontal direction fluid drag power and vertical direction gravity simultaneously and influence, and the drop of water is at gravity settlement in-process and easily takes into the filter core surface that divides, increases the probability that the drop of water sees through the filter core that divides by a wide margin, is unfavorable for the dewatering effect, hardly satisfies the requirement of system to the fuel water content.
Therefore, how to provide a vertical structure, a water removal effect is good, a large flow rate, and a compact water collecting filter is a problem that needs to be solved urgently by those skilled in the art.
Disclosure of Invention
In view of the above, the invention provides a compact water-collecting filter with a vertical structure and good water-removing effect and large through flow.
In order to achieve the purpose, the invention adopts the following technical scheme: a large-flow compact water-collecting filter comprises a filter cylinder, an oil inlet cavity, an oil inlet branch pipe, a water-collecting filter element, an oil return cavity, an oil return branch pipe and a water-dividing filter element;
the filter cylinder is hollow cylindrical, the upper end of the filter cylinder is connected with the upper end cover in a sealing mode, the lower end of the filter cylinder is connected with the base in a sealing mode, and the two sides of the lower portion of the filter cylinder are communicated with an oil inlet pipe and an oil return pipe;
the oil inlet cavity is positioned in the filter cylinder, is fixed with the inner side wall of the filter cylinder and is communicated with the oil inlet pipe;
the oil inlet branch pipes are multiple, a plurality of first through holes used for communicating the inner side and the outer side of the oil inlet branch pipes are formed in the circumferential direction of the pipe wall, and the oil inlet branch pipes are arranged above the oil inlet cavity along the direction parallel to the axial direction of the filter cylinder and are communicated with the oil inlet cavity;
the water-collecting filter elements are sleeved outside the oil inlet branch pipes respectively, are coaxially arranged, and are fixed between the oil inlet cavity and the upper end cover through a first fixing assembly;
the oil return cavity is arranged in the filter cylinder and is fixed with the inner side wall of the filter cylinder;
the plurality of oil return branch pipes are arranged above the oil return cavity along the direction parallel to the axial direction of the filter cylinder and are communicated with the oil return cavity, and a plurality of second through holes for communicating the inner side and the outer side of the oil return branch pipes are circumferentially formed in the pipe walls of the oil return branch pipes;
the water diversion filter cores are sleeved outside the oil return branch pipes and are coaxially arranged; the oil return cavity is fixed between the upper end cover and the oil return cavity through a second fixing assembly;
the oil return cavity is communicated with the oil return pipe;
the oil inlet cavity is flush with the lower end face of the oil return cavity, and the upper end face of the oil inlet cavity is provided with a height difference.
The invention relates to a vertical structure filter, wherein a plurality of oil inlet branch pipes are provided, the pipe walls of the oil inlet branch pipes are circumferentially provided with first through holes, and the pipe walls of the oil return branch pipes are circumferentially provided with second through holes; the first through holes are arranged in a staggered mode along the axial direction of the oil inlet branch pipe and the second through holes are arranged in a staggered mode along the axial direction of the oil return branch pipe, so that the flow speed of fuel oil passing through the water collecting filter element and the water distributing filter element is more uniform, and the water collecting and distributing effects are improved; the oil inlet cavity is flush with the lower end face of the oil return cavity, the upper end face of the oil inlet cavity is provided with a height difference, the mounting surface of the water diversion filter element, namely the upper end face of the oil return cavity, and the mounting surface of the water collection filter element, namely the upper end face of the oil inlet cavity, can have a certain height drop, the probability that water drops reach the surface of the water diversion filter element in the gravity settling process is reduced, the water drops can be conveniently settled as soon as possible, and the water removal effect is improved.
The invention can effectively remove the water in the fuel oil of a large-flow fuel oil system, ensure that the water content in the fuel oil is lower than 150ppm, filter the solid impurities with the particle size of more than 10 mu m in the fuel oil and effectively ensure the quality of the fuel oil.
Furthermore, the oil filter further comprises a middle partition board, the middle partition board is fixed at the bottom end of the oil inlet cavity and the bottom end of the oil return cavity, the inner side wall of the filter cylinder is connected, a plurality of third through holes are formed in the edge of the periphery of the middle partition board, and a bottom plate which is obliquely arranged is arranged below the middle partition board.
Furthermore, the water-collecting filter element is hollow cylindrical, and a hollow cylindrical replacement layer, a hydrophobic layer and a water-collecting layer are sequentially arranged from inside to outside;
the filtering and replacing layer is made of glass fiber materials, the hydrophobic layer is made of rock wool materials, and the water collecting layer is made of pure cotton materials.
According to the invention, the water-gathering filter element adopts a combined mode of the filtering replacement layer, the hydrophobic layer and the water-gathering layer, so that the condensation effect of the filter element on water drops is increased;
further, the water diversion filter element comprises
The water diversion device comprises an inner cylinder, an outer cylinder, a supporting net, a water diversion filter screen and a supporting strip;
the outer cylinder is sleeved outside the inner cylinder and is coaxially arranged;
the supporting net is arranged between the inner cylinder and the outer cylinder and is of a corrugated pleat structure;
the water diversion filter screen is arranged between the inner cylinder and the outer cylinder and is tightly attached to the inner side of the support screen;
the support bar is arranged between the water distribution filter screen and the inner barrel and is positioned at the fold of the support screen;
the upper end and the lower end of the inner barrel and the outer barrel are fixedly connected with an upper through cover and a lower through cover, the outer surfaces of the upper through cover and the lower through cover are respectively and fixedly connected with a sealing gasket, and the sealing gaskets are in sealing connection with the second fixing component.
The filter screen that divides water of filter core divides water adopts ripple pleat formula structure, greatly increased the area of contact of fuel and filter screen to reduce the drop of water and flowed through the filter screen velocity of dividing water, reduced the risk rate that the drop of water passes through the filter screen that divides water and gets into low reaches.
Furthermore, the first fixing assembly comprises a water-collecting filter element supporting seat and a water-collecting filter element pressing cover;
the water-collecting filter element supporting seat is fixed at the upper end of the oil inlet cavity and communicated with the inner cavity of the oil inlet branch pipe, and the water-collecting filter element is arranged at the upper end of the water-collecting filter element supporting seat;
the water-collecting filter element gland is arranged at the upper end of the water-collecting filter element and is fixedly connected with the upper end of the oil inlet branch pipe through a compression nut, and the water-collecting filter element is fixedly sealed at the water-collecting filter element gland and between the water-collecting filter element supporting seats.
Furthermore, the second fixing assembly comprises a water distribution filter element supporting seat and a water distribution filter element pressing cover;
the water diversion filter element supporting seat is fixed above the oil return cavity and communicated with the inner cavity of the oil return cavity, and the water diversion filter element is arranged at the upper end of the water diversion filter element supporting seat;
the water diversion filter element gland is arranged at the upper end of the water diversion filter element and is fixedly connected with the upper end of the oil return branch pipe through a compression nut, and the sealing gasket is abutted against the water diversion filter element supporting seat and the water diversion filter element gland; the water diversion filter element is fixedly sealed between the water diversion filter element supporting seat and the water diversion filter element pressing cover.
According to the invention, the water-collecting filter element and the water-dividing filter element can be effectively fixed in the filter cylinder in a sealing manner through the first fixing component and the second fixing component, so that the stable operation of the vertical filter is ensured.
The filter cartridge is characterized by further comprising an exhaust valve, the upper end cover is connected with a flange at the upper end of the filter cartridge and seals the filter cartridge, and the exhaust valve is in threaded connection with the upper end of the upper end cover and is communicated with the inner cavity of the filter cartridge.
The exhaust valve can exhaust gas mixed in fuel oil, reduces the space of fuel oil gas, ensures long-time operation of the exhaust valve, and prolongs the service life.
Furthermore, the water draining device is fixed at the lower end of the filter cylinder, is positioned at the lowest end of the bottom plate and is communicated with the inner cavity of the filter cylinder.
Further, still include the water level and monitor the window, the water level is monitored the window and is located the lower extreme lateral wall of straining a section of thick bamboo, and with strain an inner chamber intercommunication, the water level monitor the window minimum water level with drain valve position parallel and level, the inside water level display floater that is equipped with of water level monitor window.
The water level monitoring window can clearly observe the water level condition, and is convenient for draining water in time.
Further, the oil inlet branch pipe is 3, the oil return branch pipe is 2.
The water-collecting filter element and the water-dividing filter element adopt a matching mode of adding three and two, so that the overall occupied space of the filter is reduced, and the technical effect of good water-removing effect is achieved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
FIG. 1 is a schematic front view of a large-flow compact water trap filter according to the present invention;
FIG. 2 is a left side view schematically illustrating the structure of a large-flow compact water trap filter according to the present invention;
FIG. 3 is a schematic top view of a structure of a large-flow compact water trap filter according to the present invention;
FIG. 4 is a schematic view of a water distribution filter element of a high flow compact water trap filter construction of the present invention, FIG. 1;
FIG. 5 is a schematic view of a water distribution filter element of a high flow compact water trap filter construction of the present invention, FIG. 2;
FIG. 6 is a schematic structural view of an oil inlet branch pipe of a large flow compact water trap filter structure according to the present invention;
fig. 7 is a schematic flow diagram of oil in a large flow compact water trap filter according to the present invention.
Wherein, 1 is a filter cylinder; 2 is an oil inlet pipe; 3 is a bottom plate; 4 is an oil inlet cavity; 5 is a middle clapboard; 6 is a water-gathering filter element; 7 is a water-collecting filter element supporting seat; 8 is an oil inlet branch pipe; 9 is a water-collecting filter element gland; 10 is a compression nut; 11 is an upper end cover; 12 is an exhaust valve; 13 is a water diversion filter core supporting seat; 14 is an oil return branch pipe; 15 is a water-dividing filter element gland; 16 is a water-dividing filter element; 16-1 is a sealing gasket; 16-2 is an upper cylinder cover and a lower cylinder cover; 16-3 is a water-dividing filter screen; 16-4 is a supporting net; 16-5 are support bars; 16-6 is an outer cylinder; 16-7 is an inner cylinder; 17 is an oil return cavity; 18 is an oil return pipe; 19 is a water level monitoring window; 20 is a floating ball; 21 is a drain valve.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1 to fig. 3, the embodiment of this embodiment discloses a large-flow compact water trap filter, which includes a filter cartridge 1, an oil inlet cavity 4, an oil inlet branch pipe 8, a water trap filter element 6, an oil return cavity 17, an oil return branch pipe 8 and a water diversion filter element 16;
the filter cartridge 1 is hollow cylindrical, the upper end of the filter cartridge 1 is connected with the upper end cover 11 in a sealing way, the lower end of the filter cartridge 1 is connected with the base in a sealing way, and the two sides of the lower part of the filter cartridge 1 are communicated with the oil inlet pipe 2 and the oil return pipe 18;
the oil inlet cavity 4 is positioned in the filter cartridge 1, is fixed with the inner side wall of the filter cartridge 1 and is communicated with the oil inlet pipe 2;
the oil inlet branch pipes 8 are multiple, a plurality of first through holes for communicating the inner side and the outer side of the oil inlet branch pipes are formed in the circumferential direction of the pipe wall, and the oil inlet branch pipes 8 are arranged above the oil inlet cavity 4 along the direction parallel to the axial direction of the filter cartridge 1 and are communicated with the oil inlet cavity 4;
the water-collecting filter elements 6 are respectively sleeved outside the oil inlet branch pipes 8 and are coaxially arranged, and are fixed between the oil inlet cavity 4 and the upper end cover 11 through a first fixing component;
the oil return cavity 17 is arranged inside the filter cartridge 1 and is fixed with the inner side wall of the filter cartridge 1;
the oil return branch pipes 14 are arranged above the oil return cavity 17 along the direction parallel to the axial direction of the filter cartridge 1 and are communicated with the oil return cavity 17, and a plurality of second through holes for communicating the inner side and the outer side of the oil return branch pipes 14 are circumferentially formed in the pipe wall of each oil return branch pipe 14;
the plurality of water diversion filter elements 16 are sleeved outside the plurality of oil return branch pipes 14 and are coaxially arranged; and is fixed between the oil return cavity 17 and the upper end cover 11 through a second fixing component;
the oil return cavity 17 is communicated with an oil return pipe 18;
the lower end surface of the oil inlet cavity 4 is flush with the lower end surface of the oil return cavity 17, and the upper end surface of the oil inlet cavity is provided with a height difference.
In this embodiment, oil feed branch pipe 8 is 3, and oil return branch pipe 14 is 2.
The water-collecting filter element and the water-dividing filter element adopt a matching mode of adding three and two, so that the overall occupied space of the filter is reduced, and the technical effect of good water-removing effect is achieved.
The oil inlet cavity 4 is similar to a semicircle, and the oil return cavity 17 is similar to an ellipse.
The invention is a vertical structure filter, a plurality of oil inlet branch pipes 8 are provided, the pipe wall is circumferentially provided with a first through hole, and the pipe wall of an oil return branch pipe 14 is circumferentially provided with a second through hole; the first through holes are arranged in a staggered mode along the axial direction of the oil inlet branch pipe 8, and the second through holes are arranged in a staggered mode along the axial direction of the oil return branch pipe 14, so that the flow velocity of fuel oil passing through the water collecting filter element 6 and the water distributing filter element 16 is more uniform, and the water collecting and distributing effects are improved; the lower end faces of the oil inlet cavity 4 and the oil return cavity 17 are flush, the upper end face has a height difference, the mounting face of the water diversion filter element 16, namely the upper end face of the oil return cavity 17, and the mounting face of the water collection filter element 6, namely the upper end face of the oil inlet cavity 4, can have a certain height drop, the probability that water drops reach the surface of the water diversion filter element 16 in the gravity settling process is reduced, the water drops can be conveniently settled as soon as possible, and therefore the water removal effect is improved.
The invention can effectively remove the water in the fuel oil of a large-flow fuel oil system, ensure that the water content in the fuel oil is lower than 150ppm, filter the solid impurities with the particle size of more than 10 mu m in the fuel oil and effectively ensure the quality of the fuel oil.
As shown in fig. 6 in particular, the oil inlet manifold 8 is substantially identical in structure to the oil return manifold 14, differing only in length and diameter.
In the embodiment, the filter cartridge further comprises a middle partition plate 5, the middle partition plate 5 is fixed at the bottom ends of the oil inlet cavity 4 and the oil return cavity 17, the inner side wall of the filter cartridge 1 is connected, a plurality of third through holes for communicating the upper side and the lower side of the filter cartridge 1 are formed in the edge of the periphery of the middle partition plate 5, and a bottom plate 3 which is obliquely arranged is arranged below the middle partition plate 5.
In this embodiment, the water-collecting filter element 6 is a hollow cylinder, and a hollow cylinder replacement layer, a hydrophobic layer and a water-collecting layer are sequentially arranged from inside to outside;
the filtering and replacing layer is made of glass fiber materials, the hydrophobic layer is made of rock wool materials, and the water collecting layer is made of pure cotton materials.
According to the invention, the water-collecting filter element 6 adopts a combined mode of the filtering replacement layer, the hydrophobic layer and the water-collecting layer, so that the condensation effect of the filter element on water drops is increased;
as shown in fig. 4 and 5: in this embodiment, the water distribution filter element 16 includes
16-7 parts of an inner cylinder, 16-6 parts of an outer cylinder, 16-4 parts of a supporting net, 16-3 parts of a water dividing filter screen and 16-5 parts of a supporting strip;
the outer cylinder 16-6 is sleeved outside the inner cylinder 16-7 and is coaxially arranged;
the supporting net 16-4 is arranged between the inner cylinder 16-7 and the outer cylinder 16-6, and the supporting net 16-4 is of a corrugated pleat structure;
the water diversion filter screen 16-3 is arranged between the inner cylinder 16-7 and the outer cylinder 16-6 and is tightly attached to the inner side of the support screen 16-4;
the support strip 16-5 is arranged between the water-dividing filter screen 16-3 and the inner cylinder 16-7 and is positioned at the fold of the support screen 16-4;
the upper end and the lower end of the inner cylinder 16-7 and the outer cylinder 16-6 are fixedly connected with an upper through cover 16-2 and a lower through cover 16-2, the outer surfaces of the upper through cover 16-2 and the lower through cover are respectively and fixedly connected with a sealing gasket 16-1, and the sealing gasket 16-1 is hermetically connected with a second fixing component.
The water diversion filter screen of the water diversion filter element 16 adopts a corrugated pleat structure, so that the contact area between fuel oil and the filter screen is greatly increased, the flow rate of water drops flowing through the water diversion filter screen is reduced, and the risk rate of the water drops entering the downstream through the water diversion filter screen is reduced.
In this embodiment, the first fixing assembly includes a water-collecting filter element support base 7 and a water-collecting filter element gland 9;
the water-collecting filter element supporting seat 7 is fixed at the upper end of the oil inlet cavity 4 and is communicated with the inner cavity of the oil inlet branch pipe 8, and the water-collecting filter element 6 is arranged at the upper end of the water-collecting filter element supporting seat 7;
the water-collecting filter element gland 9 is arranged at the upper end of the water-collecting filter element 6 and is fixedly connected with the upper end of the oil inlet branch pipe 8 through a compression nut 10, and the water-collecting filter element 6 is fixedly sealed between the water-collecting filter element gland 9 and the water-collecting filter element supporting seat 7.
In this embodiment, the second fixing assembly includes a water diversion filter core supporting seat 13 and a water diversion filter core pressing cover 15;
the water diversion filter core supporting seat 13 is fixed above the oil return cavity 17 and communicated with the inner cavity of the oil return cavity 17, and the water diversion filter core 16 is arranged at the upper end of the water diversion filter core supporting seat 13;
the water diversion filter element gland 15 is arranged at the upper end of the water diversion filter element 16 and is fixedly connected with the upper end of the oil return branch pipe 14 through a compression nut 10, and the sealing gasket 16-1 is abutted against the water diversion filter element supporting seat 13 and the water diversion filter element gland 15; the water diversion filter core 16 is fixedly sealed between the water diversion filter core supporting seat 13 and the water diversion filter core pressing cover 15.
According to the invention, the water-collecting filter element 6 and the water-dividing filter element 16 can be effectively fixed in the filter cylinder 1 in a sealing manner through the first fixing assembly and the second fixing assembly, so that the stable operation of the vertical filter is ensured.
In this embodiment, the filter cartridge further comprises an exhaust valve 12, the upper end cover 11 is in flange connection with the upper end of the filter cartridge 1 and seals the filter cartridge 1, and the exhaust valve 12 is in threaded connection with the upper end of the upper end cover 11 and is communicated with the inner cavity of the filter cartridge 1.
The exhaust valve 12 can exhaust gas mixed in fuel oil, reduces the space of fuel oil gas, ensures long-time operation of the invention and prolongs the service time.
In this embodiment, the water discharge valve 21 is further included, and the water discharge valve 21 is fixed at the lower end of the filter cartridge 1, is located at the lowest end of the bottom plate 3, and is communicated with the inner cavity of the filter cartridge 1.
In this embodiment, still include water level and monitor window 19, water level and monitor window 19 and locate the lower extreme lateral wall of straining a section of thick bamboo 1, and with strain an inner chamber intercommunication of a section of thick bamboo 1, water level monitor window 19 minimum water level and drain valve 21 position parallel and level, water level monitor window 19 inside is equipped with water level display floater 20.
The water level monitoring window 19 of the present invention can clearly observe the water level condition, and is convenient for draining water in time.
In this embodiment, the number of the oil inlet branch pipes 8 is 3, and the number of the oil return branch pipes 14 is 2.
The water-collecting filter element and the water-dividing filter element adopt a matching mode of adding three and two, so that the overall occupied space of the filter is reduced, and the technical effect of good water-removing effect is achieved.
As shown in fig. 7: when the filter core works, fuel oil flows into an oil inlet pipe 2 of a filter from a system and then reaches an oil inlet cavity 4, flows into an oil inlet branch pipe 8 through a central hole of a water-collecting filter core supporting base 7, and flows to the inside of the oil inlet branch pipe 8, through-flow holes are formed in the circumferential direction of the pipe wall of the oil inlet branch pipe 8, the through-flow holes are arranged in a staggered mode along the axial direction of the oil inlet branch pipe 8, the fuel oil uniformly flows to a water-collecting filter core 6 through the through-flow holes, the filter core main body structure comprises a filter replacement layer, a hydrophobic layer and a water-collecting layer, the filter replacement layer is made of glass fiber materials, the hydrophobic layer is made of rock wool materials, the water-collecting layer is made of pure cotton materials, the filter replacement layer filters solid impurities with the size of more than 10 mu m in the oil on one hand, and breaks emulsion and replaces tiny water drops in the oil on the. Because the upper end surfaces of the oil inlet cavity 4 and the oil return cavity 17 have a certain height drop, coalescent water drops effectively settle under the action of gravity when the coalescent water drops do not reach the surface of the water distribution filter element 16 along with fuel oil, and a little water drops flow through the water distribution filter element 16 along with the fuel oil, because the water distribution filter element 16 is made of a special material with good water repellency, and meanwhile, the water distribution filter screen 16-3 is pleated into a corrugated form, so that the contact surface between the fuel oil and the water distribution filter screen 16-3 is increased, the flow rate of the fuel oil when the fuel oil passes through the filter screen is reduced, the probability that the water drops penetrate through the water distribution filter screen 16-3 is reduced, the water drops are blocked on the outer surface of the water distribution filter element 16 and gradually gathered into large water drops, the water drops settle downwards under the action of gravity until the bottom, the clean fuel oil uniformly flows to the oil return branch pipe 14 and then flows to the oil, finally, the filter flows out of the return pipe 18, and the filter completes the whole process of filtering solid impurities, coalescing and separating water. The water that subsides to the filter bottom can be monitored through the water level monitoring window 19, and the floater 20 in the water level monitoring window 19 represents the water level, when the water level rose to monitoring window top, can open drain valve 21 and carry out the drainage, because filter bottom plate 3 is the slope structure, and the drain valve 21 import is located bottom plate 3 least significant end, consequently can thoroughly drain water. .
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present embodiments. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the embodiments. Thus, the present embodiments are not intended to be limited to the embodiments shown herein but are to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. A high-flow compact water-collecting filter is characterized by comprising
The filter cartridge (1) is hollow and cylindrical, the upper end of the filter cartridge (1) is hermetically connected with an upper end cover (11), the lower end of the filter cartridge (1) is hermetically connected with a base, and an oil inlet pipe (2) and an oil return pipe (18) are communicated with two sides of the lower part of the filter cartridge (1);
the oil inlet cavity (4) is positioned in the filter cartridge (1), is fixed with the inner side wall of the filter cartridge and is communicated with the oil inlet pipe (2);
the filter cartridge comprises a plurality of oil inlet branch pipes (8), wherein the number of the oil inlet branch pipes (8) is multiple, a plurality of first through holes for communicating the inner side and the outer side of the oil inlet branch pipes are formed in the circumferential direction of the pipe wall of the oil inlet branch pipes (8), and the plurality of the oil inlet branch pipes (8) are arranged above an oil inlet cavity (4) along the direction parallel to the axial direction of the filter cartridge (1) and are communicated with the oil inlet cavity (4);
the water collecting filter cores (6) are respectively sleeved outside the oil inlet branch pipes (8), are coaxially arranged, and are fixed between the oil inlet cavity (4) and the upper end cover (11) through a first fixing assembly;
the oil return cavity (17) is arranged in the filter cylinder (1) and fixed with the inner side wall of the filter cylinder (1);
the oil return branch pipes (14) are arranged above the oil return cavity (17) along the direction parallel to the axial direction of the filter cartridge (1) and are communicated with the oil return cavity (17), and a plurality of second through holes for communicating the inner side and the outer side of the oil return branch pipes (14) are formed in the circumferential direction of the pipe wall of each oil return branch pipe (14);
the water diversion filter cores (16) are sleeved outside the oil return branch pipes (14) respectively and are coaxially arranged; the oil return cavity is fixed between the oil return cavity (17) and the upper end cover (11) through a second fixing component;
the oil return cavity (17) is communicated with the oil return pipe (18);
the lower end face of the oil inlet cavity (4) is flush with the lower end face of the oil return cavity (17), and the upper end face of the oil inlet cavity is provided with a height difference.
2. The high-flow compact water collecting filter according to claim 1, further comprising a middle partition plate (5), wherein the middle partition plate (5) is fixed at the bottom end of the oil inlet cavity (4) and the oil return cavity (17), the inner side wall of the filter cartridge (1) is connected, a plurality of third through holes for communicating the upper side and the lower side of the filter cartridge (1) are formed in the peripheral edge of the middle partition plate (5), and a bottom plate (3) which is obliquely arranged is arranged below the middle partition plate (5).
3. The high-flow compact water trap filter according to claim 2, characterized in that the water trap filter element (6) is hollow cylindrical, and a hollow cylindrical displacement layer, a hydrophobic layer and a water trap layer are sequentially arranged from inside to outside;
the filtering and replacing layer is made of glass fiber materials, the hydrophobic layer is made of rock wool materials, and the water collecting layer is made of pure cotton materials.
4. High-flow compact water trap filter according to claim 2, characterized in that the water dividing filter element (16) comprises
An inner cylinder (16-7);
the outer cylinder (16-6), the outer cylinder (16-6) is sleeved outside the inner cylinder (16-7) and is coaxially arranged;
the supporting net (16-4), the supporting net (16-4) is arranged between the inner cylinder (16-7) and the outer cylinder (16-6), and the supporting net (16-4) is of a corrugated pleat structure;
the water distribution filter screen (16-3), the water distribution filter screen (16-3) is arranged between the inner cylinder (16-7) and the outer cylinder (16-6), and is tightly attached to the inner side of the support screen (16-4);
the supporting strips (16-5), the supporting strips (16-5) are arranged between the water distribution filter screen (16-3) and the inner barrel (16-7) and are positioned at the folds of the supporting screens (16-4);
the upper end and the lower end of the inner cylinder (16-7) and the outer cylinder (16-6) are fixedly connected with an upper through cover and a lower through cover (16-2), the outer surface of the upper through cover and the outer surface of the lower through cover (16-2) are respectively and fixedly connected with a sealing gasket (16-1), and the sealing gasket (16-1) is in sealing connection with the second fixing component.
5. The high flow compact water trap filter of claim 4, wherein said first mounting assembly comprises
The water-collecting filter element supporting seat (7) is fixed at the upper end of the oil inlet cavity (4) and communicated with the inner cavity of the oil inlet branch pipe (8), and the water-collecting filter element (6) is arranged at the upper end of the water-collecting filter element supporting seat (7);
water-collecting filter element gland (9), water-collecting filter element gland (9) are located water-collecting filter element (6) upper end and through gland nut (10) and oil feed branch pipe (8) upper end fixed connection, will water-collecting filter element (6) fixed seal in water-collecting filter element gland (9) with between water-collecting filter element supporting seat (7).
6. The high flow compact water trap filter of claim 4, wherein said second fixture assembly comprises
The water diversion filter element supporting seat (13) is fixed above the oil return cavity (17) and communicated with the inner cavity of the oil return cavity (17), and the water diversion filter element (16) is arranged at the upper end of the water diversion filter element supporting seat (13);
the water diversion filter element pressing cover (15), the water diversion filter element pressing cover (15) is arranged at the upper end of the water diversion filter element (16) and is fixedly connected with the upper end of the oil return branch pipe (14) through a compression nut (10), and the sealing gasket (16-1) is abutted to the water diversion filter element supporting seat (13) and the water diversion filter element pressing cover (15); the water diversion filter element (16) is fixedly sealed between the water diversion filter element supporting seat (13) and the water diversion filter element pressing cover (15).
7. The high-flow compact water trap filter according to any one of claims 2-6, characterized by further comprising a vent valve (12), wherein the upper end cover (11) is flanged with the upper end of the filter cartridge (1) and seals the filter cartridge (1), and the vent valve (12) is screwed with the upper end of the upper end cover (11) and is communicated with the inner cavity of the filter cartridge (1).
8. The high-flow compact water trap filter according to claim 7, characterized by further comprising a drain valve (21), wherein the drain valve (21) is fixed at the lower end of the filter cartridge (1) and at the lowest end of the bottom plate (3), and is communicated with the inner cavity of the filter cartridge (1).
9. The high-flow compact water collecting filter according to claim 8, further comprising a water level monitoring window (19), wherein the water level monitoring window (19) is disposed on a lower end side wall of the filter cartridge (1) and is communicated with an inner cavity of the filter cartridge (1), a lowest water level of the water level monitoring window (19) is flush with the position of the drain valve (21), and a water level display floating ball (20) is disposed inside the water level monitoring window (19).
10. A high flow compact water trap according to claim 9, characterized in that the number of said oil inlet branch pipes (8) is 3 and the number of said oil return branch pipes (14) is 2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010790815.XA CN111905410A (en) | 2020-08-07 | 2020-08-07 | Large-traffic compact water trap filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010790815.XA CN111905410A (en) | 2020-08-07 | 2020-08-07 | Large-traffic compact water trap filter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111905410A true CN111905410A (en) | 2020-11-10 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010790815.XA Pending CN111905410A (en) | 2020-08-07 | 2020-08-07 | Large-traffic compact water trap filter |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112746994A (en) * | 2020-12-31 | 2021-05-04 | 航天重型工程装备有限公司 | Liquid return box, hydraulic oil tank and hydraulic system |
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| CN204186512U (en) * | 2014-11-04 | 2015-03-04 | 张家港圣美意机械有限公司 | A kind of filter fuel twin strainer |
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| JPS62144715A (en) * | 1985-12-19 | 1987-06-27 | Nippon Denso Co Ltd | Fuel filter |
| CN2507541Y (en) * | 2001-12-28 | 2002-08-28 | 杭州佳航过滤器有限公司 | Vertical fine aviation kerosene filter |
| CN103362708A (en) * | 2013-05-21 | 2013-10-23 | 潍柴重机股份有限公司 | Diesel engine filter |
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| CN112746994A (en) * | 2020-12-31 | 2021-05-04 | 航天重型工程装备有限公司 | Liquid return box, hydraulic oil tank and hydraulic system |
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