Multi-stage filtering structure for vapor-liquid separator

Abstract

The utility model provides a multistage filtering structure for a vapor-liquid separator, and relates to the field of multistage filtering of vapor-liquid separators, the multistage filtering structure comprises a primary filtering assembly and a secondary filtering assembly, the primary filtering assembly and the secondary filtering assembly are both installed in a separator main body, the primary filtering assembly comprises a cylindrical filter element, and the secondary filtering assembly comprises a secondary filtering assembly. A mounting rod and a flow guide pipe are connected to the two ends of the cylindrical filter element correspondingly, a first mounting plate is inserted into the outer end of the mounting rod, a second mounting plate is inserted into the outer end of the flow guide pipe, a guide screw rod is slidably connected into the first mounting plate in a penetrating mode, and one end of the guide screw rod is fixed to the inner side end face of the second mounting plate; and meanwhile, the other end of the guide screw rod is arranged on the outer side of the first mounting plate, and the outer side of the guide screw rod is in threaded connection with a locking nut. The filter separator solves the problem that the filter separator in the prior art is inconvenient to use due to the fact that the filter element in the filter separator is inconvenient to disassemble integrally and the individual filter element is inconvenient to replace independently.

Description

Technical Field

[0001] The utility model relates to the technical field of multi-stage filtration of gas-liquid separators, in particular to a multi-stage filtration structure for gas-liquid separators. Background Art

[0002] During the use of jet fuel, a filter separator is used. The filter separator is composed of a metal shell with a primary filter element (filter coalescing filter element) and a secondary filter element (separation filter element) installed inside, and is also equipped with accessories such as a drain valve, a drain valve, a differential pressure gauge, a safety valve, and a heating device. After searching, the prior art (application number: CN202221232385.0) records "an environmentally friendly, efficient, long-life, and large-processing capacity filter separator, which includes a filter separator body, the bottom of which is connected to a feed pipe and a discharge pipe, and the surface of the filter separator body is annularly arranged There are multiple brackets, the surface of the filter separator body is annularly fixedly connected with multiple fixed blocks that are slidably connected to the brackets, and a cap is arranged on the top of the filter separator body. The surface of the filter separator body is annularly fixedly connected with multiple connecting blocks 1. The utility model plays a role of limiting the cap through the coordinated use of connecting block 1, connecting block 2 and round block, so that the cap cannot rotate on the top of the filter separator body. The coordinated use of the rotating plate, the screw rod and the rotating pressure block plays a role of limiting the connecting block 2, improves the stability of the cap installation, and achieves the purpose of easy installation.

[0003] However, although the filter separator in the prior art can realize the rapid disassembly and assembly of the cap, it still has some shortcomings: the primary filter element and the secondary filter element inside the existing filter separator are generally arranged in multiple groups of structures, which need to be cleaned or replaced after long-term use, and the existing primary filter element and the secondary filter element are integral structures, which is not convenient for individually disassembling and assembling the individual filter element parts. As a result, when an individual filter element part is damaged or seriously blocked, it cannot be replaced individually, and only the overall structure of the filter element can be replaced, which increases the cost. At the same time, the overall structure of the filter element is generally fixed on the inner wall of the separator, which is not convenient for overall removal. Utility Model Content

[0004] In order to overcome the defects of the prior art, a multi-stage filtering structure for a gas-liquid separator is provided to solve the problem that the filter separator in the prior art is not convenient for disassembling the internal filter element as a whole and replacing the filter element individually, resulting in inconvenience in use.

[0005] To achieve the above-mentioned purpose, a multi-stage filtering structure for a gas-liquid separator is provided, comprising: a primary filtering assembly and a secondary filtering assembly, wherein the primary filtering assembly and the secondary filtering assembly are both installed inside the separator body, the primary filtering assembly comprises a cylindrical filter element, and the two ends of the cylindrical filter element are respectively connected to a mounting rod and a guide tube, and the outer end of the mounting rod is plugged with a first mounting plate, and the outer end of the guide tube is plugged with a second mounting plate, a guide screw rod is slidably penetrated inside the first mounting plate, and one end of the guide screw rod is fixed to the inner end surface of the second mounting plate, and the other end of the guide screw rod is placed on the outer side of the first mounting plate, and a locking nut is screwed on the outer side of the guide screw rod, the secondary filtering assembly comprises a mounting ring, and a connecting piece is fixed to the front side of the mounting ring, and a fitting groove is opened on the inner ring wall of the mounting ring, and a sheet filter element is installed in the fitting groove.

[0006] Furthermore, a door body is provided at one end of the separator body, and an air inlet and an air outlet are provided at the upper end of the separator body, and the second mounting plate and the secondary filter assembly are vertically arranged between the air inlet and the air outlet.

[0007] Furthermore, the lower end of the separator body is connected to a liquid collecting tank through a pipeline, and the upper end of the pipeline is inserted into the separator body shell wall on the lower side of the primary filter component and the secondary filter component, and a sewage outlet is provided at one end of the liquid collecting tank.

[0008] Furthermore, the first mounting plate and the second mounting plate are both configured as circular plate structures, and a mounting groove is provided on the inner end surface of the first mounting plate, and an axial through hole is provided inside the second mounting plate, and the mounting rod is inserted in the mounting groove, and the guide tube is inserted in the through hole.

[0009] Furthermore, the edges of the first mounting plate and the second mounting plate are respectively provided with a first notch and a second notch, and the first notch and the second notch are matched and plugged with the axial ribs provided on the inner wall of the separator body.

[0010] Furthermore, a positioning block is provided at the end of the guide screw rod located on one side of the first mounting plate, and a limiting block is fixed on the outside of the other end of the guide screw rod, and the positioning block is matched and connected with the positioning groove opened on the inside of the door body, and the limiting block is placed on the inside of the second mounting plate.

[0011] Furthermore, the mounting ring is configured as two semi-ring structures of the same size hinged by a shaft, and a connecting rod is connected between the semi-rings located on the same side of the shaft, and the shaft and the connecting piece are respectively located at both ends of the semi-rings.

[0012] The beneficial effects of the utility model are:

[0013] 1. When disassembling the primary filter element assembly and the secondary filter element assembly, first open the door body, then pull out the primary filter element as a whole from the inner cavity of the separator body, and then push the secondary filter element assembly to one side of the door body under the elastic action of the telescopic rod on the outside of the secondary filter element assembly, so as to facilitate the overall disassembly effect;

[0014] 2. When disassembling the cylindrical filter element inside the first-stage filter element assembly, first remove the locking nut, then pull out the first mounting plate, thereby expanding the distance between the first mounting plate and the second mounting plate, making it easier to directly take out a cylindrical filter element; when disassembling the sheet filter element inside the second-stage filter element assembly, first loosen the screws of the connecting piece, then open the two hinged mounting rings, so that the sheet filter element in the mounting groove can be taken out; through the above process, the filter element can be replaced individually or cleaned, which reduces the cost of use. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the partially cutaway structure of a separator according to an embodiment of the utility model.

[0016] Figure 2 This is a schematic diagram of the front cross-section structure of a primary filter assembly according to an embodiment of the present utility model.

[0017] Figure 3 It is a partial three-dimensional structural schematic diagram of a secondary filter assembly according to an embodiment of the utility model.

[0018] Figure 4 It is a schematic diagram of the three-dimensional structure of the sheet filter element according to an embodiment of the utility model.

[0019] In the figure: 1. primary filter assembly; 11. cylindrical filter element; 12. mounting rod; 13. guide tube; 14. first mounting plate; 141. first notch; 142. mounting groove; 15. guide screw; 151. positioning block; 152. locking nut; 153. limit block; 16. second mounting plate; 161. second notch; 2. secondary filter assembly; 21. mounting ring; 22. connector; 23. mounting groove; 24. shaft rod; 25. connecting rod; 26. sheet filter element; 3. separator body; 31. door body; 32. air inlet; 33. air outlet; 34. liquid collecting tank; 35. sewage outlet. DETAILED DESCRIPTION

[0020] Reference Figures 1 to 4 As shown, the utility model provides a multi-stage filtering structure for a gas-liquid separator, comprising: a primary filtering component 1 and a secondary filtering component 2.

[0021] Specifically, the primary filter assembly 1 and the secondary filter assembly 2 are both installed inside the separator body 3, the primary filter assembly 1 includes a cylindrical filter element 11, and the two ends of the cylindrical filter element 11 are respectively connected to a mounting rod 12 and a guide tube 13, and the outer end of the mounting rod 12 is plugged with a first mounting plate 14, and the outer end of the guide tube 13 is plugged with a second mounting plate 16, and the first mounting plate 14 is slidably penetrated and connected with a guide screw rod 15, and one end of the guide screw rod 15 is fixed to the inner end surface of the second mounting plate 16, and the other end of the guide screw rod 15 is placed on the first mounting plate 14. The outer side of a mounting plate 14 and the outer side of the guide screw rod 15 are threaded with a locking nut 152, the secondary filter assembly 2 includes a mounting ring 21, and a connecting piece 22 is fixed to the front side of the mounting ring 21, and a fitting groove 23 is opened on the inner ring wall of the mounting ring 21, and a sheet filter element 26 is installed in the fitting groove 23, the mounting ring 21 is configured as two semi-ring structures of the same size hinged by an axle rod 24, and a connecting rod 25 is connected between the semi-ring bodies located on the same side of the axle rod 24, and the axle rod 24 and the connecting piece 22 are respectively located at both ends of the semi-ring bodies.

[0022] In this embodiment, the primary filter assembly 1 and the secondary filter assembly 2 constitute the main structure of the multi-stage filter structure for the gas-liquid separator involved in this application.

[0023] In this embodiment, an axially extending groove is opened inside the separator body 3, so that when the secondary filter assembly 2 is installed as a whole, the connecting piece 22 is slid and inserted into the groove to make the outer wall of the mounting ring 21 fit against the inner wall of the separator body 3.

[0024] In this embodiment, a slide plate is provided on the outer side of the secondary filter assembly 2, and the slide plate is connected to a telescopic rod connected to the shell wall of one end of the separator body 3, and the slide plate is set as a porous plate. The slide plate contacts the outer end surface of the mounting ring 21. During installation, the secondary filter assembly 2 squeezes the telescopic rod inward.

[0025] It should be noted that only the mounting rings 21 located at both ends of the secondary filter assembly 2 are provided with connectors 22. One end of the middle mounting ring 21 is directly flat-jointed when closed. At the same time, the connector 22 is configured as two flat plate structures with through threaded holes, which are connected by countersunk bolts.

[0026] Specifically, a door body 31 is provided at one end of the separator body 3, and an air inlet 32 ​​and an air outlet 33 are provided at the upper end of the separator body 3. At the same time, the second mounting plate 16 and the secondary filter component 2 are arranged between the air inlet 32 ​​and the air outlet 33 in the vertical direction. The lower end of the separator body 3 is connected to a liquid collecting tank 34 through a pipe, and the upper end of the pipe is inserted into the shell wall of the separator body 3 on the lower side of the primary filter component 1 and the secondary filter component 2. At the same time, a sewage outlet 35 is provided at one end of the liquid collecting tank 34.

[0027] As a preferred embodiment, by setting a pipeline connected to the lower side of the primary filter assembly 1 and the secondary filter assembly 2, the water filtered at each stage can flow out to the liquid collection tank 34.

[0028] Specifically, the first mounting plate 14 and the second mounting plate 16 are both configured as circular plate structures, and a mounting groove 142 is provided on the inner end face of the first mounting plate 14, and an axial through hole is provided inside the second mounting plate 16. At the same time, the mounting rod 12 is inserted in the mounting groove 142, and the guide tube 13 is inserted in the through hole. The edges of the first mounting plate 14 and the second mounting plate 16 are respectively provided with a first notch 141 and a second notch 161, and the first notch 141 and the second notch 161 are matched and plugged with the axial ribs provided on the inner wall of the separator body 3. A positioning block 151 is provided on the end of the guide screw 15 located on one side of the first mounting plate 14, and a limiting block 153 is fixed on the outer side of the other end of the guide screw 15, and the positioning block 151 is matched and connected with the positioning groove provided on the inner side of the door body 31, and the limiting block 153 is placed on the inner side of the second mounting plate 16.

[0029] As a preferred embodiment, the raised axial ribs and grooves inside the separator body 3 are staggered, and the positioning installation of the primary filter assembly 1 is achieved through the connection between the ribs and the grooves, ensuring that the outer positioning block 151 corresponds to the positioning groove position of the door body 31, so that the internal structure can be fixed when the door is closed.

[0030] When in use, when disassembling the first-stage filter element assembly and the second-stage filter element assembly, first open the door body, then pull out the first-stage filter element as a whole from the inner cavity of the separator body, and then push the second-stage filter element assembly to the side of the door body under the elastic action of the telescopic rod on the outside of the second-stage filter element assembly. When disassembling the cylindrical filter element individual inside the first-stage filter element assembly, first remove the locking nut, and then pull out the first mounting plate, thereby expanding the distance between the first mounting plate and the second mounting plate, making it easier to directly take out a certain cylindrical filter element; when disassembling the sheet filter element individual inside the second-stage filter assembly, first loosen the screws of the connecting piece, and then open the two hinged mounting rings to take out the sheet filter element individual in the mounting groove.

[0031] The multi-stage filtering structure for the gas-liquid separator of the utility model can effectively solve the problem that the filter separator in the prior art is not convenient for disassembling the internal filter element as a whole and replacing the individual filter elements separately, resulting in inconvenience in use. On the basis of the existing multi-stage filtering structure technology for the gas-liquid separator, it is convenient to take out the filter element as a whole and to disassemble and assemble the individual filter elements separately, which makes it easy to replace or clean and reduces the cost of use.

Claims

1. A multi-stage filtration structure for a vapor-liquid separator, comprising: A primary filter assembly (1) and a secondary filter assembly (2), wherein the primary filter assembly (1) and the secondary filter assembly (2) are both installed inside a separator body (3), characterized in that: the primary filter assembly (1) comprises a cylindrical filter element (11), and the two ends of the cylindrical filter element (11) are respectively connected to a mounting rod (12) and a flow guide tube (13), and the outer end of the mounting rod (12) is plugged with a first mounting plate (14), and the outer end of the flow guide tube (13) is plugged with a second mounting plate (16), and the first mounting plate (14) is internally slidably penetrated through the connecting rod (14). A guide screw (15) is connected, and one end of the guide screw (15) is fixed to the inner end surface of the second mounting plate (16), while the other end of the guide screw (15) is placed on the outer side of the first mounting plate (14), and a locking nut (152) is screwed to the outer side of the guide screw (15). The secondary filter assembly (2) includes a mounting ring (21), and a connecting piece (22) is fixed to the front side of the mounting ring (21), and a fitting groove (23) is opened on the inner ring wall of the mounting ring (21), and a sheet filter element (26) is installed in the fitting groove (23).

2. A multi-stage filtration structure for a vapor-liquid separator according to claim 1, characterized in that: A door body (31) is provided at one end of the separator body (3), and an air inlet (32) and an air outlet (33) are provided at the upper end of the separator body (3), and the second mounting plate (16) and the secondary filter assembly (2) are arranged between the air inlet (32) and the air outlet (33) in the vertical direction.

3. A multi-stage filtration structure for a vapor-liquid separator according to claim 1, characterized in that: The lower end of the separator body (3) is connected to a liquid collecting tank (34) via a pipeline, and the upper end of the pipeline is inserted into the shell wall of the separator body (3) at the lower side of the primary filter component (1) and the secondary filter component (2), and a sewage outlet (35) is provided at one end of the liquid collecting tank (34).

4. The multi-stage filtration structure for a vapor-liquid separator according to claim 1, characterized in that: The first mounting plate (14) and the second mounting plate (16) are both configured as circular plate structures, and the inner end surface of the first mounting plate (14) is provided with a mounting groove (142), and the interior of the second mounting plate (16) is provided with an axially penetrating through hole, and the mounting rod (12) is inserted into the mounting groove (142), and the flow guide tube (13) is inserted into the through hole.

5. The multi-stage filtration structure for a vapor-liquid separator according to claim 1, characterized in that: The edges of the first mounting plate (14) and the second mounting plate (16) are respectively provided with a first notch (141) and a second notch (161), and the first notch (141) and the second notch (161) are matched and plugged with axial ribs provided on the inner wall of the separator body (3).

6. The multi-stage filtration structure for a vapor-liquid separator according to claim 1, characterized in that: A positioning block (151) is provided at the end of the guide screw rod (15) located on one side of the first mounting plate (14), and a limiting block (153) is fixed on the outer side of the other end of the guide screw rod (15), and the positioning block (151) is matched and connected with a positioning groove provided on the inner side of the door body (31), and the limiting block (153) is placed on the inner side of the second mounting plate (16).

7. The multi-stage filtration structure for a vapor-liquid separator according to claim 1, characterized in that: The mounting ring (21) is configured as two semi-ring structures of the same size hingedly connected by a shaft (24), and a connecting rod (25) is connected between the semi-rings located on the same side of the shaft (24), and the shaft (24) and the connecting piece (22) are respectively located at two ends of the semi-rings.

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