CN112483291A

CN112483291A - Diesel filter

Info

Publication number: CN112483291A
Application number: CN202011466279.4A
Authority: CN
Inventors: 赵雪芹; 张娟
Original assignee: Huainan Guandong Information Technology Co Ltd
Current assignee: Huainan Guandong Information Technology Co Ltd
Priority date: 2020-12-14
Filing date: 2020-12-14
Publication date: 2021-03-12

Abstract

The invention relates to the technical field of filters, in particular to a diesel filter, which comprises: the upper cover, the annular body, the water collecting cup, the filter element and the rotational flow mechanism; the filter element and the rotational flow mechanism are arranged inside the annular body, and the filter element is positioned between the filter element and the rotational flow mechanism; the spiral flow mechanism comprises an oil inlet pipe, an oil outlet pipe, a shell, a spiral plate and a flow dividing pipe, wherein the spiral plate is arranged in the shell, and a plurality of leading-out holes are formed in the lower position of the side wall of the shell; the shunt tubes are a plurality of, connect outside the casing with a plurality of escape holes one-to-one, the shunt tubes include: the inlet part is arranged on the guide-out hole, the flow guide part is communicated with the inlet part and vertically extends downwards, and the outlet part is connected to the lower end of the flow guide part and is communicated with the flow guide part; the invention has better separation effect and more thorough separation of the diesel oil and the water.

Description

Diesel filter

Technical Field

The invention relates to the technical field of filters, in particular to a diesel filter.

Background

Various solid impurities and water are easily mixed in the process of storage and transportation of diesel oil, and if the diesel oil mixed with the impurities and the water is used for a long time by a diesel engine, the cylinder, a cylinder sleeve and a piston ring of the diesel engine are seriously abraded, the service life of the diesel engine is shortened, and therefore, the oil-water separation of the diesel oil becomes a problem needing to be solved at present.

Disclosure of Invention

Therefore, the present invention solves the above problems by the following means.

A diesel filter comprising: the filter comprises an upper cover, an annular body, a water collecting cup, a filter element and a rotational flow mechanism, wherein the upper cover is arranged at the upper end of the annular body, the water collecting cup is arranged at the lower end of the annular body, the filter element and the rotational flow mechanism are arranged inside the annular body, and the filter element is positioned between the filter element and the rotational flow mechanism.

The swirling flow mechanism includes: advance oil pipe, play oil pipe, casing, spiral plate, shunt tubes, the spiral plate sets up in the casing, the lateral wall of casing leans on the lower position to open has a plurality of eduction holes.

The shunt tubes are a plurality of, connect outside the casing with a plurality of escape holes one-to-one, the shunt tubes include: the inlet part is arranged on the guide-out hole, the guide part is communicated with the inlet part and vertically extends downwards, and the outlet part is connected to the lower end of the guide part and communicated with the guide part.

The upper surface at the casing is fixed to the holding ring is coaxial, and the outer peripheral face of holding ring is connected with the play oil pipe that the level set up, goes out oil pipe one end and the inside intercommunication of holding ring, and the other end runs through out the ring body.

One end of the oil inlet pipe is connected to the upper part of the outer peripheral surface of the shell and is communicated with the spiral channel to form a lotus root pot, and the other end of the oil inlet pipe penetrates through the annular body.

The filter core is hollow cylinder, includes: the oil guide plate comprises a top plate, an annular filter material and a bottom plate, wherein the annular filter material is positioned between the top plate and the bottom plate, and the center of the bottom plate is provided with an oil guide hole.

The invention has the beneficial effects that:

utilize the spiral plate to form helical coiled passage, for tiny water droplet coalescence each other provides the opportunity, the slabby export department that utilizes a plurality of shunt tubes forms a collision region, for tiny water droplet provides the opportunity of coalescence each other of the second time, the tiny water droplet coalescence that finally makes mixing in the diesel oil becomes great water droplet, utilize the collision region to offset the inertia of diesel oil in a plurality of shunt tubes simultaneously, and under the effect of a plurality of slabby export departments, make diesel oil will tend to steady flow, the great water droplet coalescence finally falls into in the catch water cup under the effect of gravity, make the diesel oil better with the separation effect of water, more thorough of separation, the scuffing of cylinder because of mixing impurity and water in the diesel oil and leading to has been avoided to the diesel engine, the wearing and tearing of cylinder liner and piston ring, the service life of diesel engine has been.

Drawings

Fig. 1 is a cross-sectional view of the entirety of the present invention.

Fig. 2 is a sectional view of the swirling mechanism of the present invention.

Fig. 3 is a schematic view of a shunt according to the present invention.

Fig. 4 is a cross-sectional view of a cartridge of the present invention.

The water collecting device comprises an upper cover-10, a spring-11, an annular body-20, a water collecting cup-30, a water discharging device-31, a filter element-40, a top plate-41, a spring groove-411, an annular filter material-42, a bottom plate-43, an oil guide hole-431, a positioning groove-432, a sealing ring-433, a rotational flow mechanism-50, an oil inlet pipe-51, an oil outlet pipe-52, a shell-53, a spiral channel-531, a guide hole-532, a positioning ring-54, a spiral plate-55, a shunt pipe-56, an inlet part-561, a flow guide part-562, an outlet part-563 and a collision area-564.

Detailed Description

Preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings, so that those embodiments can be easily implemented by those having ordinary skill in the art to which the present invention pertains. However, the present invention may be embodied in many different forms and is not limited to the embodiments described below. In addition, in order to more clearly describe the present invention, components not connected to the present invention will be omitted from the drawings.

As shown in fig. 1, a diesel filter includes: the filter cartridge comprises an upper cover 10, an annular body 20, a water collecting cup 30, a filter cartridge 40 and a swirling mechanism 50, wherein the upper cover 10 is detachably arranged at the upper end of the annular body 20 in a fluid-tight relationship, the water collecting cup 30 is detachably arranged at the lower end of the annular body 20 in a fluid-tight relationship, the filter cartridge 40 and the swirling mechanism 50 are arranged inside the annular body 20, and the filter cartridge 40 is positioned above the swirling mechanism 50.

As shown in fig. 2 to 3, the swirling mechanism 50 includes: the diesel oil separator comprises an oil inlet pipe 51, an oil outlet pipe 52, a shell 53, a positioning ring 54, a spiral plate 55 and a flow dividing pipe 56, wherein the shell 53 is a hollow cylinder, the spiral plate 55 is coaxially fixed inside the shell 53, the outer edge of the spiral plate 55 is attached to the inner side wall of the shell 53, the lowermost end of the spiral plate 55 is not in contact with the bottom plate of the shell 53, a spiral channel 531 can be formed inside the shell 53, when diesel oil mixed with impurities and water flows in the spiral channel 531, a centrifugal effect is generated, the impurities and water carried in the diesel oil tend to be concentrated on the inner surface of the shell 53, opportunities are provided for fine water drops to be coalesced with each other, a plurality of guide holes 532 are formed in the position, below the spiral channel 531, of the side wall of the shell 53, and the plurality of guide holes 532.

The plurality of shunt tubes 56 are connected to the housing 53 in a one-to-one correspondence with the plurality of outlet holes 532, and the shunt tube 56 is described below as including: an inlet 561, a flow guiding portion 562 and an outlet 563, wherein the inlet 561 is installed in the guiding hole 532 in a fluid-tight relationship and is communicated with the inside of the housing 53, the flow guiding portion 562 is communicated with the inlet 561 and vertically extends downwards, and the outlet 563 is connected to the lower end of the flow guiding portion 562 and is communicated with the flow guiding portion 562.

The outlet portion 563 has a plate shape, which extends toward the central axis of the housing 53 and is inclined downward, and when the plurality of shunt tubes 56 are mounted on the housing 53, the outlet portion 563 is positioned below the housing 53 and perpendicular to the bottom plate of the housing 53, the plurality of outlet portions 563 are close to each other without contacting, and form a collision region 564, the diesel fuel with entrained impurities and water flowing out of the plurality of outlet ports 563 can be brought into contact with each other in the collision region 564, which provides a second chance for fine water droplets to coalesce with each other, eventually causing the fine water droplets mixed in the diesel fuel to coalesce into larger water droplets, meanwhile, the inertia of diesel oil in the shunt pipes 56 is offset by the contact, the diesel oil tends to flow stably under the action of the plate-shaped outlet parts 563, the large water drops which are finally gathered fall into the water collecting cup 30 under the action of gravity, and meanwhile, the outlet parts 563 are arranged in a downward inclined mode, so that the large water drops can fall off more favorably.

The positioning ring 54 is coaxially fixed on the upper surface of the casing 53, the oil outlet pipe 52 horizontally arranged is connected to the outer circumferential surface of the positioning ring 54, the oil outlet pipe 52 is communicated with the inside of the positioning ring 54, the other end of the oil outlet pipe penetrates through the annular body 20, the oil outlet pipe 52 is fixedly connected with the annular body 20 in a fluid-tight relationship, diesel oil with impurities and water removed can flow to an oil pump (not shown in the figure) through the oil outlet pipe 52 and is finally supplied to a diesel engine, and the top surface of the positioning ring 54 is higher than the topmost end of the oil outlet pipe 52, so that the positioning ring 54 can complete the positioning function.

One end of the oil inlet pipe 51 is connected to the upper portion of the outer circumferential surface of the housing 53 and is communicated with the spiral passage 531, and the other end thereof penetrates through the annular body 20, and the oil inlet pipe 51 and the annular body 20 are fixedly connected in a fluid-tight relationship, so that the diesel oil mixed with impurities and water can enter the spiral passage 531 through the oil inlet pipe 51.

The swirling mechanism 50 is fixed to a lower position in the ring body 20 through the oil inlet pipe 51 and the oil outlet pipe 52, and the casing 53 is coaxial with the ring body 20 without contacting the casing and the ring body 20, so that diesel oil can flow from below the casing 53 to above the casing 53 along a gap between the casing 53 and the ring body 20.

As shown in fig. 4, the filter element 40 is a hollow cylinder, and includes: the filter element comprises a top plate 41, an annular filter material 42 and a bottom plate 43, wherein the annular filter material 42 is positioned between the top plate 41 and the bottom plate 43, an oil guide hole 431 is formed in the center of the bottom plate 43, an annular positioning groove 432 matched with the positioning ring 54 in size is formed in the bottom surface of the bottom plate 43, the diameter of the positioning groove 432 is larger than that of the oil guide hole 431, the filter element 40 is not in contact with the annular body 20, the diesel oil can enter into the gap between the filter element 40 and the annular body 20, and then enter into the filter element 40 through the annular filtering material 42 to complete the filtering function, preferably, a sealing ring 433 is arranged in the positioning groove 432, the filter element 40 is mounted in fluid-tight relationship above the swirling mechanism 50 and at an upper position within the annular body 20 by engagement of the positioning groove 432 with the positioning ring 54, and the interior of the filter element 40 is communicated with the outlet pipe 52, filtered diesel oil can flow out of the oil-water separator, and the top surface of the top plate 41 is provided with an annular spring groove 411.

As shown in fig. 1, the spring 11 is fixed to the side of the upper cover 10 facing the inside of the annular body 20, the spring 11 being sized and positioned to match the spring groove 411, when the upper cover 10 is mounted in fluid-tight relationship on the upper end of the annular body 20, the lower end of the spring 11 is seated in the spring groove 411 and the spring 11 is in a compressed state, so that the position of the filter cartridge 40 is not displaced, and at the same time, the fluid-tight relationship between the filter cartridge 40 and the positioning ring 54 is more reliable under the restoring force of the spring 11.

As shown in fig. 1, the lowermost end of the water collecting cup 30 is provided with a drain device 31, and the drain device 31 is a manual or automatic drain device for removing impurities and water.

The working principle of the invention is as follows:

under the action of an oil pump (not shown in the figure), negative pressure is formed inside the oil-water separator, so that the diesel oil mixed with impurities and water in the oil tank enters the spiral channel 531 along the oil inlet pipe 51, the diesel oil mixed with impurities and water flows along the spiral channel 531, a centrifugal effect is generated, the impurities and water entrained in the diesel oil tend to concentrate on the inner surface of the shell 53, fine water droplets have a high probability of coalescing with each other, when the diesel oil mixed with impurities and water flows to the bottom of the shell 53, the diesel oil enters the plurality of shunt pipes 57, the diesel oil mixed with impurities and water flowing out of the outlet parts 563 of the plurality of shunt pipes 57 contacts each other in the collision area 564, the fine water droplets are provided with a second chance of coalescing with each other, and the contact counteracts the inertia of the diesel oil in the plurality of shunt pipes 56, because the diameter of the annular body 20 is far larger than the pipe diameter of the settling pipe 58, the flow rate of the diesel oil mixed with impurities and water is, under the action of the plurality of plate-shaped outlet portions 563, the diesel tends to flow smoothly, and finally coalesce into larger water drops, at this time, the impurities and larger water drops higher than the diesel density fall into the water collecting cup 30 under the action of gravity, meanwhile, the outlet portions 563 are arranged to be inclined downward, which is more beneficial to the falling of the impurities and larger water drops higher than the diesel density, at this time, the diesel containing a small amount of impurities and few fine water drops moves upward and passes through the gap between the swirling mechanism 50 and the annular body 20, and then enters the gap between the filter element 40 and the annular body 20, the remaining few fine water drops organically coalesce into larger water drops in the process, and fall into the water collecting cup 30 under the action of gravity, then the diesel containing a small amount of impurities and negligible fine water drops between the filter element 40 and the annular body 20 enters the filter element 40 through the annular filter material 42 of the filter element 40, the filtration of a small amount of impurities is completed and the diesel oil finally freed from impurities and water flows through the outlet line 52 to an oil pump (not shown in the figure) and is finally supplied to the diesel engine.

Claims

1. A diesel filter comprising: the filter element structure comprises an upper cover (10), an annular body (20), a water collecting cup (30), a filter element (40) and a swirling flow mechanism (50), wherein the upper cover (10) is installed at the upper end of the annular body (20), the water collecting cup (30) is installed at the lower end of the annular body (20), the filter element (40) and the swirling flow mechanism (50) are installed inside the annular body (20), and the filter element (40) is located between the filter element (40) and the swirling flow mechanism (50);

the method is characterized in that:

the swirling mechanism (50) includes: the oil pipe comprises an oil inlet pipe (51), an oil outlet pipe (52), a shell (53), a positioning ring (54), a spiral plate (55) and a shunt pipe (56), wherein the shell (53) is a hollow cylinder, the spiral plate (55) is coaxial with the shell (53) and is fixed with the inner side wall of the shell (53) through the outer edge of the spiral plate (55), a plurality of outlet holes (532) are formed in the position, below a spiral channel (531), of the side wall of the shell (53), and the outlet holes (532) are arranged in an annular array along the shell (53);

the shunt tubes (56) are multiple and are connected with the plurality of leading-out holes (532) in a one-to-one correspondence mode outside the shell (53), and the shunt tubes (56) comprise: the device comprises an inlet part (561), a flow guide part (562) and an outlet part (563), wherein the inlet part (561) is installed on a guide outlet (532), the flow guide part (562) is communicated with the inlet part (561) and vertically extends downwards, and the outlet part (563) is connected to the lower end of the flow guide part (562) and is communicated with the flow guide part (562);

the positioning ring (54) is coaxially fixed on the upper surface of the shell (53), the outer peripheral surface of the positioning ring (54) is connected with an oil outlet pipe (52) which is horizontally arranged, one end of the oil outlet pipe (52) is communicated with the inside of the positioning ring (54), and the other end of the oil outlet pipe penetrates through the annular body (20);

one end of the oil inlet pipe (51) is connected to the upper part of the outer peripheral surface of the shell (53) and communicated with the spiral channel (531), and the other end of the oil inlet pipe penetrates through the annular body (20);

the rotational flow mechanism (50) is fixed at the lower position in the annular body (20) through the oil inlet pipe (51) and the oil outlet pipe (52), and the shell (53) is coaxial with the annular body (20) and is not in contact with the annular body (20);

the filter element (40) is a hollow cylinder comprising: the oil filter comprises a top plate (41), an annular filter material (42) and a bottom plate (43), wherein the annular filter material (42) is positioned between the top plate (41) and the bottom plate (43), and an oil guide hole (431) is formed in the center of the bottom plate (43);

the lowest end of the water collecting cup (30) is provided with a drainage device (31).

2. A diesel filter according to claim 1 wherein: the outlet portions 563 are formed in a plate shape, extend downward toward a central axis of the casing 53, and are perpendicular to a bottom plate of the casing 53, and the plurality of outlet portions 563 are disposed adjacent to each other.

3. A diesel filter according to claim 1 wherein: a spring (11) is arranged between the top plate (41) and the upper cover (10).