Natural gas pipeline filter

Abstract

The utility model discloses a natural gas pipeline filter. A filter box body is divided into an upper-layer gas filtering area and a lower-layer filtered matter collecting area through a horizontal isolation plate. The upper-layer gas filtering area is provided with a group of filter screen frame placing blocks for movably placing a filter screen frame with a filter screen, the filter frame can be directly taken and is convenient to replace and clean, temporary filtered matter collecting tanks corresponding to each group of filter screen frame placing blocks are arranged below the filter screen frame, and the tanks are communicated with the lower-layer filtered matter collecting area through temporary blow-off pipelines; the temporary blow-off pipeline can prevent impurities intercepted by the filter screen from flying again to prevent secondary pollution, so that the filtering efficiency is improved; under the condition that the height of the temporary filter material collecting tank is not changed, the temporary filter material collecting tank corresponds to a group of filter screen frame placing blocks one by one, and the filter cone is arranged in the tank, so that the included angle between the filter cone and the horizontal plane is increased, and the possibility of filter material accumulation is reduced. The lower collection area is provided with a blow-off pipe and a guide plate, so that blow-off is facilitated.

Description

Technical Field

[0001] This utility model relates to the field of natural gas pipeline connection, and in particular to a natural gas pipeline filter. Background Technology

[0002] In the extraction, transportation, and utilization of natural gas, pipeline filters play a crucial role in removing impurities and moisture from the natural gas to ensure its quality and system safety. Traditional pipeline filters typically employ a single filter screen structure. While they can remove some impurities to a certain extent, their filtration efficiency is limited, especially for small particles and liquid water vapor. Furthermore, replacing and cleaning traditional filters is relatively cumbersome, and the prolonged residence time of filtered material within the filtration area can negatively impact filtration efficiency and even lead to secondary contamination.

[0003] To improve natural gas filtration efficiency, reduce the exposure time of filter media within the filtration area, and simplify filter replacement and cleaning processes, there is an urgent need in the market for a new type of natural gas pipeline filter. Utility Model Content

[0004] The purpose of this invention is to provide a natural gas pipeline filter that solves the aforementioned problem of natural gas filtration and impurity removal.

[0005] This utility model is achieved through the following technical solution:

[0006] A natural gas pipeline filter includes a filter housing, which is divided into an upper gas filtration zone and a lower filter material collection zone by a horizontal partition plate. A set of opposing filter frame placement blocks are provided on opposite side walls of the gas filtration zone, and filter frames with filter screens are movably arranged between the set of filter frame placement blocks. Parallel filter frame placement blocks and temporary filter material collection troughs for the filter frames are provided on the horizontal partition plate below the filter frame placement blocks, and each temporary filter material collection trough corresponds to one of the set of filter frame placement blocks. The temporary filter material collection troughs are also connected to the filter material collection zone. A natural gas inlet pipe and a natural gas outlet pipe are respectively provided on two sides of the parallel filter frame placement blocks of the filter housing.

[0007] The interior of the filter housing is clearly divided into two functional areas by a horizontal partition: the upper area is for gas filtration and the lower area is for collecting filtered materials. Within the gas filtration area, pairs of filter frame placement blocks are arranged on opposite side walls. These blocks stably support and allow for the movable placement of a filter frame with a filter screen, facilitating direct removal of the filter frame and replacement or cleaning of the filter screen.

[0008] Temporary collection slots for filter materials are provided on the filter frame placement block and the horizontal isolation plate directly below the filter frame, which can effectively capture and temporarily store impurities that fall off the filter screen, and also prevent tiny impurities from flying away.

[0009] Each temporary filter media collection tank is connected to the filter media collection area via appropriate channels or openings. This design ensures that when impurities accumulate to a certain level in the temporary collection tank, they can be automatically or manually discharged to the lower collection area for subsequent cleaning and treatment.

[0010] Furthermore,

[0011] Two vertical grooves for placing the filter frame are opened on one side of the filter frame placement block. The lower end of the groove does not penetrate the filter frame placement block, and elastic blocks are provided on the upper and lower sides of the opposite sidewalls of the groove.

[0012] Furthermore,

[0013] The temporary filter material collection trough is set on the isolation plate and is wider than the width of the filter screen frame placement block. The temporary filter material collection trough is connected to the filter box in the direction perpendicular to the natural gas inlet. A filter hopper is set in the temporary filter material collection trough, and the lower end of the filter hopper passes through the isolation plate through a temporary sewage pipe and enters the filter material collection area in the lower layer of the filter box.

[0014] Furthermore,

[0015] A solenoid valve is installed at one end of the temporary sewage pipe that enters the filter material collection area at the bottom of the filter box.

[0016] Furthermore,

[0017] A drain pipe is installed at the bottom of one side wall of the filter material collection area. A guide plate is also installed in the filter material collection area. The guide plate is lower at the end near the drain pipe and higher at the side away from the drain pipe.

[0018] Furthermore,

[0019] Solenoid valves are installed on both the natural gas inlet pipe and the natural gas outlet pipe, and a branch pipe is installed at the natural gas inlet in the filter box to distribute the gas evenly.

[0020] Furthermore,

[0021] The filter frames in the two grooves of each set of filter frames are of two different types: particulate filter and water vapor filter.

[0022] The beneficial effects of this utility model are:

[0023] 1. By dividing the filter housing into a gas filtration zone and a filter material collection zone, the temporary filter material collection tank effectively collects the tiny impurities intercepted by the filter screen and prevents them from flying away, thus avoiding the filtered natural gas from flowing out again with tiny impurities, significantly improving the filtration quality of natural gas.

[0024] 2. The grooves and elastic blocks on the filter frame placement blocks not only provide stable support for the filter frame but also facilitate convenient installation and fixation. Furthermore, the one-to-one correspondence between the temporary filter material collection slots and the filter frame placement blocks ensures a suitable angle between the filter hopper and the horizontal plane, effectively reducing the risk of filter material accumulating on the side walls of the filter hopper. Attached Figure Description

[0025] The accompanying drawings, which are included to provide a further understanding of the embodiments of the present invention and form part of this application, do not constitute a limitation thereof. In the drawings:

[0026] Figure 1 This is a schematic diagram of the structure of this utility model;

[0027] Figure 2 This is a front sectional view of the present invention;

[0028] Figure 3 A schematic diagram of the block structure for placing the filter frame;

[0029] Figure 4 A front view of the groove for placing the filter frame block.

[0030] The attached diagram shows the markings and corresponding component names:

[0031] 1-Filter housing, 2-Filter screen frame placement block, 20-Elastic block, 21-Groove, 3-Isolation plate, 4-Temporary collection tank for filter material, 40-Filter hopper, 5-Natural gas inlet pipe, 6-Natural gas outlet pipe, 7-Filter material collection area, 70-Guide plate, 8-Drain pipe, 9-Solenoid valve, 10-Filter screen frame, 11-Filter screen, 110-Particle filter screen, 111-Water vapor filter screen, 12-Gas filtration area, 13-Branch pipe, 14-Temporary drain pipe. Detailed Implementation

[0032] The present invention will be further described in detail below with reference to the embodiments and accompanying drawings, but the implementation of the present invention is not limited thereto.

[0033] In the description of this utility model, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "longitudinal", "lateral", "horizontal", "inner", "outer", "front", "rear", "top", "bottom", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, or the orientation or positional relationship commonly used when the utility model product is in use. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0034] In the description of this utility model, it should also be noted that, unless otherwise explicitly specified and limited, the terms "set up," "have," "install," "connect," and "connect" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0035] Example

[0036] See Figures 1 to 4 :

[0037] A natural gas pipeline filter includes a filter housing 1, which is divided into an upper gas filtration zone 12 and a lower filter material collection zone 7 by a horizontal partition plate 3. A set of opposing filter screen frame placement blocks 2 are provided on opposite side walls of the gas filtration zone 12, and a filter screen frame 10 with a filter screen 11 is movably arranged between the set of filter screen frame placement blocks 2. Temporary filter material collection troughs 4 are provided parallel to the filter screen frame placement blocks 2 and the filter screen frame 10 on the horizontal partition plate 3 below them, with each temporary collection trough corresponding to one of the set of filter screen frame placement blocks 2. The temporary collection troughs 4 are also connected to the filter material collection zone 7. A natural gas inlet pipe 5 and a natural gas outlet pipe 6 are respectively provided on the two sides of the filter housing 1 parallel to the fixed placement blocks of the filter screen frame 10.

[0038] The filter housing is divided into a gas filtration zone 12 and a filter material collection zone 7. A temporary filter material collection tank 4 is provided to temporarily store and block the filter material in order to separate the filter material from the natural gas and prevent the natural gas from carrying away the tiny impurities from the natural gas outlet pipe 6 again, thereby improving the natural gas filtration effect. A filter screen frame 10 is movably arranged between a set of filter screen frame placement blocks 2, which makes it easy for the operator to remove the filter screen frame 10 to replace or clean the filter screen 11. The filter also has a cover that can be sealed with the filter housing and can be opened, which is not shown in the figure.

[0039] Furthermore,

[0040] Two vertical grooves 21 are provided on one side of the filter frame placement block 2, which are used to place the filter frame 10. The lower end of the groove 21 does not pass through the filter frame placement block 2, and elastic blocks 20 are provided on the upper and lower sides of the opposite sidewalls of the groove 21.

[0041] The lower end of the groove 21 does not pass through the filter frame placement block 2, providing a support part for the placement of the filter frame 10. The corresponding elastic block 20 on the opposite side wall of the groove 21 also has the function of fixing the filter frame 10.

[0042] Furthermore,

[0043] The temporary filter material collection tank 4 is set on the isolation plate 3 and is wider than the width of the filter screen frame placement block 2. The temporary filter material collection tank 4 is connected to the filter box 1 in the direction perpendicular to the natural gas inlet. A filter hopper 40 is set in the temporary filter material collection tank 4, and the lower end of the filter hopper 40 passes through the isolation plate 3 through the temporary sewage pipe 14 and enters the filter material collection area 7 of the lower layer of the filter box 1.

[0044] The temporary collection trough 4 corresponds one-to-one with each set of filter frame placement blocks 2 and the filter frames 10 and 11 on them, instead of directly setting a single trough on the isolation plate 3 that can horizontally encompass all the filter frame placement blocks 2 and the filter frames 10 and 11 on them. This is because the height of the filter box 1 is limited. If the temporary collection trough 4 were designed to encompass all the filter frame placement blocks 2 horizontally, the angle between each side of the filter hopper 40 and the horizontal direction would be too small, which might cause the filtered debris to accumulate on the filter hopper 40. Therefore, the temporary collection trough 4 is made to correspond one-to-one with each set of filter frame placement blocks 2, so that the width of the temporary collection trough 4 is smaller than a single width while the height remains unchanged. This indirectly increases the angle between the filter hopper 40 and the horizontal plane, thereby reducing the possibility of filter material accumulating on the side wall of the filter hopper 40.

[0045] Furthermore,

[0046] A solenoid valve 9 is installed at one end of the temporary sewage pipe 14 that enters the filter material collection area 7 in the lower layer of the filter box 1.

[0047] When the filter is working, the temporary drain pipe 14 is blocked by the solenoid valve 9 to prevent natural gas from entering the filter material collection area 7 in the lower layer of the filter housing 1. The solenoid valve 9 is located at the end of the temporary drain pipe 14 that enters the filter housing 1. When the solenoid valve 9 is closed, the temporary drain pipe 14 above the solenoid valve 9 can serve as a temporary storage space for some of the filter material.

[0048] Furthermore,

[0049] A drain pipe 8 is provided at the bottom of one side wall of the filter material collection area 7. A guide plate 70 is also provided in the filter material collection area 7. The guide plate 70 is lower at the end near the drain pipe 8 and higher at the side away from the drain pipe 8.

[0050] The side of the baffle plate 70 closest to the drain pipe 8 is higher than the side furthest from the drain pipe 8. This is so that the fine particles or water vapor intercepted by the filter screen 11 can accumulate on the filter layer and eventually form water droplets. After falling into the filter material collection area 7, the water droplets can accumulate at the drain pipe 8, making it convenient to discharge the wastewater when needed.

[0051] Furthermore,

[0052] Solenoid valves 9 are installed on both the natural gas inlet pipe 5 and the natural gas outlet pipe 6. Multiple branch pipes 13 are installed at the natural gas inlet in the filter box 1 to distribute the gas evenly.

[0053] Furthermore,

[0054] The filter screens 11 in the filter screen frames 10 within the two grooves 21 of each set of filter screen frame placement blocks 2 are of two different types: particle filter screen 110 and water vapor filter screen 111.

[0055] Solid particles and water vapor droplets are present in unfiltered natural gas. The filter frames 10 of different filter screens 11 set on each set of filter screen frame placement block 2 can filter solid particles and water vapor droplets respectively. The filter frames 10 of different filter screens 11 are matched in order to make use of water vapor filter screen 111 to filter water droplets generated by water vapor. The water droplets can carry away some particulate impurities on the side wall of filter hopper 40.

[0056] The method of using this utility model is as follows:

[0057] Natural gas enters the filter housing 1 through the inlet pipe and is introduced into the gas filtration zone 12 through the evenly distributed gas distribution pipe 13. This zone is filtered by filter screens 11 within filter frames 10 supported by filter frame placement blocks 2. Particle filters 110 and water vapor filters 111 can be installed within the filter frames 10 to remove solid particles and water vapor droplets from the natural gas, respectively. During filtration, impurities intercepted by the filter screens 11 fall into corresponding temporary collection troughs 4. These troughs correspond one-to-one with each set of filter frames 10, and are guided into the filter collection zone 7 via filter hoppers 40 and temporary drain pipes 14 controlled by solenoid valves 9. Simultaneously, guide plates 70 ensure that impurities and water droplets accumulate in the collection zone towards the drain pipe 8. Natural gas then passes smoothly through the filter screens 11 and is discharged through the outlet pipe. When cleaning is required, the relevant solenoid valves 9 can be closed, the filter frames 10 removed for cleaning or replacement, and impurities in the lower collection zone discharged through the drain pipe 8. This not only improves filtration efficiency but also ensures high-quality natural gas output.

[0058] The specific embodiments described above further illustrate the purpose, technical solution, and beneficial effects of this utility model. It should be understood that the above description is only a specific embodiment of this utility model and is not intended to limit the scope of protection of this utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the scope of protection of this utility model.

Claims

1. A natural gas pipeline filter, comprising a filter housing (1), characterized in that, The filter housing (1) is divided into an upper gas filtration zone (12) and a lower filter material collection zone (7) by a horizontal partition plate (3). On the opposite side walls of the gas filtration zone (12), there is a set of opposite filter screen frame placement blocks (2), and a filter screen frame (10) with a filter screen (11) is movably placed between the set of filter screen frame placement blocks (2). On the horizontal partition plate (3) below the filter screen frame placement blocks (2) and the filter screen frame (10), there are temporary filter material collection slots (4) parallel to the filter screen frame placement blocks (2) and the filter screen frame (10), and each temporary filter material collection slot corresponds to each set of filter screen frame placement blocks (2). The temporary filter material collection slots are also connected to the filter material collection zone (7). On the two sides of the filter housing (1) parallel to the filter screen frame (10) fixed placement blocks, there are natural gas inlet pipes (5) and natural gas outlet pipes (6).

2. A natural gas pipeline filter according to claim 1, characterized in that, The filter frame placement block (2) has two vertical grooves (21) on one side, which are used to place the filter frame (10). The lower end of the groove (21) does not pass through the filter frame placement block (2), and elastic blocks (20) are provided on the upper and lower sides of the opposite sidewall of the groove (21).

3. A natural gas pipeline filter according to claim 1, characterized in that, The temporary filter material collection trough (4) is set on the isolation plate (3) and is wider than the width of the filter screen frame placement block (2). The temporary filter material collection trough (4) is connected to the filter box (1) in the direction perpendicular to the natural gas inlet. A filter bucket (40) is set in the temporary filter material collection trough (4), and the lower end of the filter bucket (40) passes through the isolation plate (3) through the temporary sewage pipe (14) and enters the filter material collection area (7) of the lower layer of the filter box (1).

4. A natural gas pipeline filter according to claim 3, characterized in that, The temporary sewage pipe (14) enters the filter material collection area (7) at the lower layer of the filter box (1) and is equipped with a solenoid valve (9).

5. A natural gas pipeline filter according to claim 3, characterized in that, A drain pipe (8) is provided at the bottom of one side wall of the filter collection area (7). A guide plate (70) is also provided in the filter collection area (7). The guide plate (70) is lower at the end near the drain pipe (8) and higher at the side away from the drain pipe (8).

6. A natural gas pipeline filter according to claim 3, characterized in that, Solenoid valves (9) are installed on both the natural gas inlet pipe (5) and the natural gas outlet pipe (6). A branch pipe (13) is installed at the natural gas inlet in the filter box (1) to distribute gas evenly.

7. A natural gas pipeline filter according to claim 1, characterized in that, The filter screens (11) in the filter screen frames (10) in the two grooves (21) of each set of filter screen frame placement blocks (2) are of two different types: particle filter screen (110) and water vapor filter screen (111).

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