Coalescence type filter element mounting structure of natural gas washing tank

Abstract

The utility model relates to the technical field of natural gas compressors, in particular to a coalescence type filter element mounting structure of a natural gas washing tank, which comprises a filter element bottom fixing plate, a filter element top fastening pressing plate and a filter tank wall fixing plate. The filter element top fastening pressing plate is arranged at the top of the filter element and detachably connected with the filter tank wall fixing plate, the filter element bottom fixing plate is fixed to the inner wall of the barrel, a filter element mounting part is arranged on the filter element bottom fixing plate, and an air inlet channel communicated with the interior of the filter element is arranged between the filter element bottom fixing plate and the natural gas inlet. And a sewage discharge channel is arranged on the filter element bottom fixing plate. According to the coalescence type filter element mounting structure of the natural gas washing tank, the coalescence type filter element is stably mounted and fixed, and meanwhile, the mounting and dismounting convenience is achieved. Due to the arrangement of the gas inlet channel and the sewage discharge channel which are independent of each other, the situation that filtered gas is subjected to secondary pollution by impurities such as oil stains can be effectively avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of natural gas compressors, in particular to a coalescing filter element installation structure of a natural gas washing tank. Background Art

[0002] During the operation of the reciprocating compressor unit, the natural gas entering the compressor needs to be adsorbed, dusted and deoiled, and this process needs to pass through the intake scrubber. Through the filtering effect of the intake scrubber, the gas meets the intake requirements of the compressor.

[0003] At present, conventional washing tanks include coalescing air intake washing tanks and wire mesh air intake washing tanks. The coalescing filter element used in the coalescing air intake washing tank is made of composite materials and has hydrophilicity. Through demulsification and coalescence, the filtering accuracy is higher, so it is increasingly used. In the process of making a press coalescing air intake washing tank, the coalescing filter element needs to be stably installed and fixed. The current coalescing filter element installation method is mostly a pull rod pressure plate method, and the disassembly and assembly process is relatively cumbersome. In addition, the current washing tank has the problem that the filtered gas is easily contaminated by impurities such as separated oil.

[0004] Therefore, it is necessary to propose an improvement to overcome the defects of the prior art. Utility Model Content

[0005] The utility model aims to solve the problems in the prior art and provides a coalescing filter element installation structure for a natural gas washing tank.

[0006] The technical solution of the utility model is:

[0007] A coalescing filter element installation structure for a natural gas washing tank comprises a filter element bottom fixing plate, a filter element top fastening pressure plate and a filter tank wall fixing plate, the filter tank wall fixing plate is fixed to the inner wall of the cylinder, the filter element top fastening pressure plate is arranged on the top of the filter element and is detachably connected to the filter tank wall fixing plate, the filter element bottom fixing plate is fixed to the inner wall of the cylinder, a filter element installation portion is arranged on the filter element bottom fixing plate, an air intake channel connected to the inside of the filter element is arranged between the filter element bottom fixing plate and the natural gas inlet, and a sewage discharge channel is arranged on the filter element bottom fixing plate, and the sewage discharge channel is arranged on the outside of the filter element.

[0008] The bottom of the filter element is installed on the filter element installation part on the bottom fixing plate of the filter element to stabilize the bottom of the filter element, and the top mounting plate of the filter element presses the filter element. The top mounting plate of the filter element is detachably connected to the filter tank wall fixing plate, so that the coalescing filter element is stably installed and fixed while being convenient for disassembly and assembly. The independent air intake channel and sewage discharge channel can effectively prevent the filtered gas from being contaminated by impurities such as oil.

[0009] Optionally, the bottom fixing plate of the filter element includes a bottom plate and a ring plate fixed on the inner wall of the cylinder body, the filter element mounting portion is a ring plate, the filter element is sleeved on the ring plate, a first through hole is provided on the bottom plate, and the air inlet channel is an air inlet duct, one end of the air inlet duct is connected to the natural gas inlet, and the other end of the air inlet duct is connected to the inside of the filter element through the first through hole. When installing a single coalescing filter element, a filter element sleeve installation method is adopted, the filter element is sleeved on the ring plate of the bottom fixing plate of the filter element, an air inlet duct is provided, a closed chamber is created, the natural gas inlet is connected to the inside of the filter element, and the natural gas is directly introduced into the inside of the filter element.

[0010] Optionally, the drain channel is a drain port provided on the bottom plate, and the drain port is provided outside the filter element and communicated with the cylinder. The drain port is provided on the bottom fixing plate of the filter element to avoid the situation where the filtered oil is stored above the bottom fixing plate of the filter element and causes the filter element to be soaked, thereby extending the life of the filter element and improving the filtration efficiency and filtration accuracy. The oil flows into the bottom of the cylinder through the drain port, so a liquid level gauge is no longer required above the bottom fixing plate of the filter element, which reduces the design difficulty and manufacturing cost, and reduces the structural arrangement of the washing tank in the longitudinal direction.

[0011] Optionally, a partition is provided below the bottom fixing plate of the filter element, the partition is fixed on the inner wall of the cylinder, the filter element installation portion is a plurality of filter element plug holes provided on the bottom fixing plate of the filter element, the filter element is plugged into the filter element plug holes, the air inlet channel is an air inlet chamber, the air inlet chamber is formed by the bottom fixing plate of the filter element, the partition and the inner wall of the cylinder, one end of the air inlet chamber is connected to the natural gas inlet, and the other end of the air inlet chamber is connected to the inside of the filter element through the filter element plug hole. When multiple coalescing filter elements are installed, a filter element insertion installation method is adopted, a plurality of filter element plug holes are opened on the bottom fixing plate of the filter element according to the number of filter elements, the filter element is plugged into the filter element plug hole, a closed air inlet chamber is created by providing a partition, the natural gas inlet is connected to the inside of the filter element, and the natural gas is directly passed into the inside of the filter element.

[0012] Optionally, a second through hole is provided on the bottom fixing plate of the filter element, a third through hole is provided on the partition plate, and a sewage pipe is connected between the second through hole and the third through hole. By providing a sewage pipe passing through the air inlet chamber to discharge the oil into the bottom of the cylinder, the filter element is prevented from being soaked, the service life of the filter element is extended, the filtering efficiency and precision are improved, and the design difficulty and manufacturing cost are reduced, and the structural arrangement of the washing tank in the longitudinal direction is reduced.

[0013] Optionally, the top fastening plate of the filter element is connected to the filter tank wall fixing plate by bolts. When the filter element needs to be replaced after being used for a period of time, the bolts of the top fastening plate can be loosened to remove the filter element and easily complete the filter element replacement, thereby improving the convenience of filter element loading and unloading.

[0014] Optionally, a sealing gasket is provided between the bottom fixing plate of the filter element and the filter element to improve the air tightness of the gas passage.

[0015] Optionally, a sealing gasket is provided between the top fastening plate of the filter element and the filter element to improve the air tightness of the gas passage.

[0016] The beneficial effects of the utility model are as follows:

[0017] 1. The bottom of the filter element is stabilized by the bottom fixing plate of the filter element, and the top mounting plate of the filter element is used to press the filter element. The top mounting plate of the filter element is detachably connected to the fixing plate of the filter tank wall, so that the coalescing filter element can be stably installed and fixed while being convenient for disassembly and assembly;

[0018] 2. By setting up independent air intake channels and sewage discharge channels, the secondary contamination of gas by impurities such as oil is avoided;

[0019] 3. By setting up a sewage discharge channel to discharge the oil into the bottom of the cylinder, the filter element is prevented from being soaked, the service life of the filter element is extended, and the filtering efficiency and accuracy are improved;

[0020] 4. The oil flows into the bottom of the cylinder through the drainage channel. Therefore, there is no need to use a liquid level gauge above the bottom fixing plate of the filter element, which reduces the design difficulty and manufacturing cost;

[0021] 5. The installation structure can easily replace the filter element by disassembling the top pressure plate, which is convenient and quick;

[0022] 6. In the case of height restrictions, the installation structure eliminates a sewage system and reduces the longitudinal structural arrangement of the washing tank. While ensuring higher filtration efficiency, the space is freed up, which has better applicability and is more suitable for small portable equipment such as vehicle-mounted equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 This is a schematic diagram of the overall structure of the first embodiment of the utility model;

[0024] Figure 2 For this utility model Figure 1 A partial enlarged view of

[0025] Figure 3 This is a schematic diagram of the overall structure of the second embodiment of the utility model;

[0026] Figure 4 For this utility model Figure 3 A partial enlarged view of

[0027] Figure 5 It is a top view of the second embodiment of the utility model.

[0028] Among them, 1. natural gas inlet; 2. natural gas outlet; 3. air inlet duct; 4. bottom fixing plate of filter element; 401. bottom plate; 402. ring plate; 403. first through hole; 5. sewage outlet; 6. filter element; 7. cylinder; 8. filter tank wall fixing plate; 9. top fastening plate of filter element; 10. filter element jack; 11. air inlet chamber; 12. partition; 13. third through hole; 14. sewage pipe; 15. second through hole. DETAILED DESCRIPTION

[0029] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present invention.

[0030] The utility model discloses a coalescing filter element installation structure of a natural gas washing tank, comprising a filter element bottom fixing plate 4, a filter element top fastening pressure plate 9 and a filter tank wall fixing plate 8, the filter tank wall fixing plate 8 is fixed on the inner wall of a cylinder 7, the filter element top fastening pressure plate 9 is arranged on the top of the filter element 6 and is detachably connected to the filter tank wall fixing plate 8, the filter element bottom fixing plate 4 is fixed on the inner wall of the cylinder 7, a filter element installation portion is arranged on the filter element bottom fixing plate 4, an air intake channel connected to the inside of the filter element 6 is arranged between the filter element bottom fixing plate 4 and the natural gas inlet 1, and a sewage discharge channel is arranged on the filter element bottom fixing plate 4, and the sewage discharge channel is arranged on the outside of the filter element 6.

[0031] First embodiment:

[0032] like Figure 1 and Figure 2 As shown, the first embodiment of the utility model is suitable for use when a single filter element is installed. A coalescing filter element installation structure of a natural gas washing tank in this embodiment includes a filter element bottom fixing plate 4, a filter element top fastening plate 9 and a filter tank wall fixing plate 8. The filter element bottom fixing plate 4 is welded to the inner wall of the cylinder 7, the filter tank wall fixing plate 8 is welded to the inner wall of the cylinder 7, the filter element top fastening plate 9 is arranged on the top of the filter element 6 and is connected to the filter tank wall fixing plate 8 by a detachable method such as bolts and snaps. In this embodiment, bolt connection is preferred. A sealing gasket is arranged between the filter element bottom fixing plate 4 and the filter element 6. A sealing gasket is arranged between the filter element top fastening plate 9 and the filter element 6 to improve the air tightness of the gas passage.

[0033] The bottom fixing plate 4 of the filter element includes a bottom plate 401 and a ring plate 402 fixed on the inner wall of the cylinder 7. In this embodiment, the filter element mounting portion is the ring plate 402, the filter element 6 is sleeved on the ring plate 402, and the bottom plate 401 is provided with a first through hole 403. The air intake channel is an air intake conduit 3, one end of the air intake conduit 3 is connected to the natural gas inlet 1, and the other end of the air intake conduit 3 is connected to the inside of the filter element 6 through the first through hole 403. When installing a single coalescing filter element, the filter element sleeve installation method is adopted, and the filter element 6 is sleeved on the ring plate 402 of the bottom fixing plate 4 of the filter element. By setting the air intake conduit 3, a closed channel is created, the natural gas inlet 1 is connected to the inside of the filter element 6, and the natural gas is directly passed into the inside of the filter element 6.

[0034] The drainage channel is a drainage port 5 provided on the bottom plate 401. The drainage port 5 is provided outside the filter element 6 and communicated with the cylinder 7, which avoids the situation where the filtered oil is stored above the bottom fixing plate 4 of the filter element and causes the filter element to be soaked, thereby extending the service life of the filter element and improving the filtering efficiency and filtering accuracy. The oil flows into the bottom of the cylinder 7 through the drainage port 5. Therefore, a liquid level gauge is no longer required above the bottom fixing plate 4 of the filter element, which reduces the design difficulty and manufacturing cost, and reduces the structural arrangement of the washing tank in the longitudinal direction.

[0035] Second embodiment:

[0036] like Figure 3-5 As shown, the second embodiment of the utility model is suitable for use when multiple filter elements are installed. A coalescing filter element installation structure of a natural gas washing tank in this embodiment includes a filter element bottom fixing plate 4, a filter element top fastening plate 9 and a filter tank wall fixing plate 8. The filter element bottom fixing plate 4 is welded to the inner wall of the cylinder 7, the filter tank wall fixing plate 8 is welded to the inner wall of the cylinder 7, the filter element top fastening plate 9 is arranged on the top of the filter element 6 and is connected to the filter tank wall fixing plate 8 by a detachable manner such as bolts and snaps. In this embodiment, bolt connection is preferred. A sealing gasket is arranged between the filter element bottom fixing plate 4 and the filter element 6. A sealing gasket is arranged between the filter element top fastening plate 9 and the filter element 6.

[0037] A partition 12 is provided below the bottom fixing plate 4 of the filter element, and the partition 12 is fixed on the inner wall of the cylinder 7. The filter element installation part is a plurality of filter element insertion holes 10 provided on the bottom fixing plate 4 of the filter element, and the filter element 6 is plugged into the filter element insertion holes 10. The air intake passage is an air intake chamber 11, and the air intake chamber 11 is surrounded by the bottom fixing plate 4 of the filter element, the partition 12 and the inner wall of the cylinder 7. One end of the air intake chamber 11 is connected to the natural gas inlet 1, and the other end of the air intake chamber 11 is connected to the inside of the filter element 6 through the filter element insertion hole 10. When multiple coalescing filter elements are installed, a filter element insertion installation method is adopted, and a plurality of filter element insertion holes 10 are opened on the bottom fixing plate 4 of the filter element according to the number of filter elements, and the filter element 6 is plugged into the filter element insertion hole 10. By providing the partition 12 to create a closed air intake chamber 11, the natural gas inlet 1 is connected to the inside of the filter element 6, and the natural gas is directly passed into the inside of the filter element 6.

[0038] The bottom fixing plate 4 of the filter element is provided with a second through hole 15, the partition plate 12 is provided with a third through hole 13, and a drain pipe 14 is connected between the second through hole 15 and the third through hole 13. By providing the drain pipe 14 through the air inlet chamber 11 to discharge the oil into the bottom of the cylinder 7, the filter element is prevented from being soaked, the service life of the filter element is extended, the filtering efficiency and precision are improved, and the design difficulty and manufacturing cost are reduced, and the structural arrangement of the washing tank in the longitudinal direction is reduced.

[0039] When in use, the gas enters from the natural gas inlet 1, and passes directly into the filter element 6 through the inlet channel. During the movement of the gas from the inside of the filter element 6 to the outside, the oil and dirt in the gas flow downward along the outer surface of the filter element 6, and flow to the bottom of the washing tank through the drainage channel on the fixed plate 4 at the bottom of the filter element, and are discharged from the washing tank after being stored at the bottom of the washing tank. The filtered gas enters the compressor through the natural gas outlet 2 at the top of the cylinder 7. This effectively avoids the secondary contamination of the filtered gas by impurities and improves the working efficiency of the filter.

[0040] The above description is only a preferred embodiment of the utility model, and is not intended to limit the scope of implementation of the utility model. That is, all equivalent changes and modifications made according to the content of the patent application scope of the utility model should belong to the technical scope of the utility model.

Claims

1. A coalescing filter element installation structure for a natural gas scrubber, characterized in that: The filter element comprises a bottom fixing plate (4), a top fastening plate (9) and a filter tank wall fixing plate (8), wherein the filter tank wall fixing plate (8) is fixed to the inner wall of the cylinder (7), the top fastening plate (9) is arranged on the top of the filter element (6) and is detachably connected to the filter tank wall fixing plate (8), the bottom fixing plate (4) is fixed to the inner wall of the cylinder (7), a filter element mounting portion is arranged on the bottom fixing plate (4), an air intake channel communicating with the inside of the filter element (6) is arranged between the bottom fixing plate (4) and the natural gas inlet (1), and a sewage discharge channel is arranged on the bottom fixing plate (4), and the sewage discharge channel is arranged on the outside of the filter element (6).

2. The coalescing filter element installation structure of a natural gas scrubbing tank according to claim 1, characterized in that: The filter element bottom fixing plate (4) comprises a bottom plate (401) and a ring plate (402) fixed on the inner wall of the cylinder (7); the filter element mounting portion is the ring plate (402); the filter element (6) is sleeved on the ring plate (402); a first through hole (403) is provided on the bottom plate (401); the air intake passage is an air intake conduit (3); one end of the air intake conduit (3) is connected to the natural gas inlet (1); and the other end of the air intake conduit (3) is connected to the interior of the filter element (6) through the first through hole (403).

3. The coalescing filter element installation structure of a natural gas scrubbing tank according to claim 2, characterized in that: The sewage discharge channel is a sewage discharge port (5) provided on the bottom plate (401); the sewage discharge port (5) is provided outside the filter element (6) and is in communication with the cylinder (7).

4. The coalescing filter element installation structure of a natural gas scrubbing tank according to claim 1, characterized in that: A partition (12) is provided below the bottom fixing plate (4) of the filter element, the partition (12) being fixed on the inner wall of the cylinder (7), the filter element mounting portion being a plurality of filter element insertion holes (10) provided on the bottom fixing plate (4) of the filter element, the filter element (6) being plugged into the filter element insertion holes (10), the air intake passage being an air intake chamber (11), the air intake chamber (11) being formed by enclosing the bottom fixing plate (4) of the filter element, the partition (12) and the inner wall of the cylinder (7), one end of the air intake chamber (11) being connected to the natural gas inlet (1), and the other end of the air intake chamber being connected to the interior of the filter element (6) through the filter element insertion holes (10).

5. The coalescing filter element installation structure of a natural gas scrubbing tank according to claim 4, characterized in that: A second through hole (15) is provided on the bottom fixing plate (4) of the filter element, a third through hole (13) is provided on the partition plate (12), and a sewage discharge pipe (14) is connected between the second through hole (15) and the third through hole (13).

6. The coalescing filter element installation structure of a natural gas scrubbing tank according to claim 1, characterized in that: The top fastening plate (9) of the filter element is connected to the filter tank wall fixing plate (8) via bolts.

7. A coalescing filter element installation structure for a natural gas scrubbing tank according to any one of claims 1 to 6, characterized in that: A sealing gasket is provided between the filter element bottom fixing plate (4) and the filter element (6).

8. The coalescing filter element installation structure of a natural gas scrubbing tank according to claim 7, characterized in that: A sealing gasket is provided between the filter element top fastening plate (9) and the filter element (6).

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