Biogas recovery filter pipe
By combining the support ring, support sleeve, and extension rod, along with the design of the card holder and card block, the stability problem of the filter element in a confined space is solved, enabling convenient replacement of the filter element and improving the ease of use of the biogas recovery filter pipe.
Patent Information
- Application Number
- CN202423293071.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-30
- Publication Date
- 2026-02-17
- Estimated Expiration
- 2034-12-30
AI Technical Summary
The filter element in the existing biogas recovery filter pipe is inconvenient to replace, and it is difficult to reliably remove and replace it in a confined space.
By combining the support ring, support sleeve, and extension rod, and utilizing the connection of the card holder and card block, along with the design of the top foot, support frame, and lead screw, stable support and convenient removal of the filter element are achieved.
It improves the stability and ease of replacement of the filter element, simplifies the replacement process, and enhances the convenience of operation.
Smart Images

Figure CN223921364U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to a filter pipe, specifically a biogas recovery filter pipe, belonging to the field of biogas recovery technology. Background Technology
[0002] A biogas recovery filter pipe is a device used for biogas treatment. It is widely used in biogas power generation, biogas purification, and biogas utilization. Its main purpose is to remove impurities and moisture from biogas to improve its purity and quality. The biogas recovery filter pipe is usually equipped with multiple filter elements, such as primary, secondary, and tertiary filters, to achieve a more efficient filtration effect and improve the purity of biogas.
[0003] After long-term use, the filter element inside the biogas recovery filter tube absorbs too much impurities and moisture, requiring regular replacement. However, since the filter element is located inside the filter tube and the space within the tube is relatively small, it is not easy to reach it by hand and thus inconvenient to remove it. Therefore, we provide a biogas recovery filter tube to solve the above problems. Utility Model Content
[0004] To address the aforementioned problems, this utility model provides a biogas recovery filter pipe, the specific technical solution of which is as follows:
[0005] A biogas recovery filter pipe includes a filter pipe body, which is shaped like a "Z" and has two open ends. A retaining ring is connected to the inner wall of the filter pipe body. One side of the retaining ring contacts a support ring, and one side of the support ring is connected to a support sleeve. Multiple filter elements are arranged in a single arrangement on the other side of the support ring. A top ring is contacted on the other side of each filter element. A retaining seat is connected to the upper surface of the filter pipe body. An extension rod is engaged with the inner wall of the retaining seat and is adapted to the support sleeve. A groove is formed on the inner side of the support sleeve, and a retaining block is connected to the outer surface of the extension rod. The groove and retaining block are adapted to each other.
[0006] Preferably, the inner wall of the filter tube body has two receiving grooves, and the two receiving grooves are located at both ends of the filter tube body. The inner wall of the receiving groove is rotatably connected to a support plate.
[0007] Preferably, the two ends of the filter tube body are in contact with a cover plate, and the inner wall of the cover plate is rotatably connected to a connecting rod. The end of the connecting rod located inside the filter tube body is provided with a threaded section, and the threaded section of the connecting rod is threadedly connected to the inner wall of the support plate.
[0008] Preferably, one side of the top ring is in contact with the lead screw, the threaded section of the lead screw is threadedly connected to a support frame, the inner side of the support frame is provided with a sliding groove, the inner wall of the sliding groove is slidably connected to a top foot, the inner wall of the filter tube body is provided with a baffle groove, and the end of the top foot located outside the support frame is in contact with the inner wall of the baffle groove.
[0009] Preferably, a spring is connected to one end of the top foot inside the slide groove, and the end of the spring away from the top foot is connected to the inner bottom wall of the slide groove.
[0010] Preferably, a slide rail is provided on the inner side of the support frame, and a slider is connected to the outer surface of the top foot. The inner wall of the slide rail is slidably connected to the outer surface of the slider.
[0011] Preferably, a stop bar is slidably connected to the inner wall of the slider, and a stop block is connected to the outer surface of the support frame, and the stop block is adapted to the stop bar.
[0012] Compared with the prior art, the present invention has the following beneficial effects:
[0013] 1. The biogas recovery filter pipe uses a support ring, a support sleeve, and an extension rod to work together. The support ring supports the filter element and maintains its stability. The support ring is connected to the extension rod through the support sleeve, so that the extension rod maintains the stability of the support ring when it applies a pushing force to the support ring. The extension rod extends the length, making it easier to remove the filter element from inside the filter pipe body, thus improving the convenience of filter element replacement.
[0014] 2. The biogas recovery filter pipe uses the cooperation between the top foot, support frame and screw rod. The top foot contacts the groove to restrict the movement of the support frame and maintain its stability. The support frame provides support force to the screw rod and maintains its stability. The screw rod applies thrust to the top ring and improves the stability of the filter element. Attached Figure Description
[0015] Figure 1 This is a schematic diagram of the overall structure of this utility model;
[0016] Figure 2 In this utility model Figure 1 A magnified structural diagram of point A;
[0017] Figure 3 This is a schematic diagram of the cross-sectional structure of the filter tube body in this utility model;
[0018] Figure 4 This is a schematic diagram of the internal structure of the filter tube body in this utility model;
[0019] Figure 5 This is a schematic diagram of the overall three-dimensional structure of the support ring in this utility model;
[0020] Figure 6 This is a schematic diagram of the support frame structure in this utility model.
[0021] Figure descriptions: 1. Filter tube body; 2. Retaining ring; 3. Support ring; 4. Support sleeve; 5. Filter element; 6. Top ring; 7. Card seat; 8. Extension rod; 9. Receiving groove; 10. Support plate; 11. Cover plate; 12. Connecting rod; 13. Lead screw; 14. Support frame; 15. Slide groove; 16. Top foot; 17. Retaining groove; 18. Spring; 19. Slide rail; 20. Slider; 21. Stop bar; 22. Stop block; 23. Card slot; 24. Card block. Detailed Implementation
[0022] The present invention will now be further described with reference to the accompanying drawings.
[0023] Please see Figures 1-6 A biogas recovery filter pipe includes a filter pipe body 1. The filter pipe body 1 has a Z-shaped appearance and both ends of the filter pipe body 1 are connected. The filter pipe body 1 has four ends, two of which are straight and a filter element 5 is installed inside the straight filter pipe body 1. The other two ends are connected to the outside.
[0024] A retaining ring 2 is connected to the inner wall of the filter tube body 1. A support ring 3 is in contact with one side of the retaining ring 2. The retaining ring 2 supports the support ring 3 and maintains the stability of the support ring 3. A support sleeve 4 is connected to one side of the support ring 3. The support sleeve 4 is connected to the extension rod 8 and maintains the stability of the extension rod 8.
[0025] On the other side of the support ring 3, there are multiple filter elements 5, which are arranged in a row. The filter elements 5 filter impurities and moisture mixed in the biogas, thereby improving the purity and cleanliness of the biogas. On the other side of the filter element 5, there is a top ring 6, which applies a thrust to the other side of the filter element 5 to maintain its stability.
[0026] A retainer 7 is connected to the upper surface of the filter tube body 1. An extension rod 8 is engaged with the inner wall of the retainer 7. The retainer 7 provides support for the extension rod 8 and maintains its stability. The extension rod 8 and the retainer 7 are engaged. The clamping force of the retainer 7 restricts the movement of the extension rod 8. The extension rod 8 is compatible with the support sleeve 4. A groove 23 is provided on the inner side of the support sleeve 4. A retaining block 24 is connected to the outer surface of the extension rod 8. The groove 23 is compatible with the retaining block 24. The groove 23 is L-shaped. After the extension rod 8 is inserted into the support sleeve 4, it contacts the groove 23 through the retaining block 24. The groove 23 blocks the retaining block 24. The extension rod 8 can drive the support ring 3 to move back and forth.
[0027] The inner wall of the filter tube body 1 has two receiving grooves 9, and the two receiving grooves 9 are located at both ends of the filter tube body 1. The inner wall of the receiving groove 9 is rotatably connected to the support plate 10, and the receiving groove 9 forms a receiving space. After the support plate 10 is flipped over, it is hidden inside through the receiving groove 9 to prevent the support plate 10 from blocking the filter element 5 from moving outward. The upper part of the filter tube body 1 also has a groove to receive the support plate 10. The other end of the support plate 10 is supported by the upper groove. The upper groove and the support plate 10 are interference fit, which can maintain the stability of the support plate 10.
[0028] The filter tube body 1 has a cover plate 11 at both ends. A connecting rod 12 is rotatably connected to the inner wall of the cover plate 11. The connecting rod 12 has a threaded section at one end inside the filter tube body 1. The threaded section of the connecting rod 12 is threadedly connected to the inner wall of the support plate 10. The cover plate 11 forms a closed and open structure at both ends of the filter tube body 1. The cover plate 11 is connected to the support plate 10 through the screw 13 to maintain the stability of the cover plate 11.
[0029] One side of the top ring 6 contacts the lead screw 13. The threaded section of the lead screw 13 is threadedly connected to a support frame 14. A groove 15 is provided on the inner side of the support frame 14. A top foot 16 is slidably connected to the inner wall of the groove 15. A baffle groove 17 is provided on the inner wall of the filter tube body 1. The end of the top foot 16 located outside the support frame 14 contacts the inner wall of the baffle groove 17. The support frame 14 provides support force for the lead screw 13 to maintain the stability of the lead screw 13. The contact between the top foot 16 and the baffle groove 17 restricts the movement of the support frame 14. A spring 18 is connected to the end of the top foot 16 located inside the groove 15. The end of the spring 18 away from the top foot 16 is connected to the inner bottom wall of the groove 15. When the top foot 16 moves into the groove 15, the spring 18 is compressed. The compressed spring 18 provides power for the top foot 16 to return to its original position. When the top foot 16 contacts the baffle groove 17, the elastic support of the spring 18 keeps the top foot 16 in contact with the baffle groove 17.
[0030] A slide rail 19 is provided on the inner side of the support frame 14. A slider 20 is connected to the outer surface of the top foot 16. The inner wall of the slide rail 19 is slidably connected to the outer surface of the slider 20. A stop bar 21 is slidably connected to the inner wall of the slider 20. A stop block 22 is connected to the outer surface of the support frame 14. The stop block 22 is adapted to the stop bar 21. By moving the stop bar 21, the slider 20 is moved. At the same time, the slider 20 moves the top foot 16 into the slide groove 15. After the top foot 16 moves, it disengages from the stop groove 17, and the support frame 14 can be removed from the filter tube body 1. After the stop bar 21 moves, it contacts the stop block 22. The stop block 22 blocks the stop bar 21 to prevent it from resetting. When the stop bar 21 moves backward, it is lifted upward. When it is necessary for the stop bar 21 to disengage from the stop block 22, the stop bar 21 is lifted upward to disengage from the stop block 22.
[0031] In use, the following steps are taken: First, rotate the connecting rod 12 to disengage from the support plate 10, and remove the cover plate 11 from the filter tube body 1. Then, flip the support plate 10 into the receiving groove 9. Next, rotate the screw 13 to disengage from the top ring 6, and push the top foot 16 into the sliding groove 15. After the top foot 16 moves into the sliding groove 15, it releases the restriction on the support frame 14. Then, remove the support frame 14 and the screw 13 from the filter tube body 1. Then, take the extension rod 8 and insert it into the support sleeve 4. Twist the extension rod 8 to make the locking block 24 contact the locking groove 23. Then, push the extension rod 8 to move. At the same time, the extension rod 8 pushes the support ring 3 to move. The support ring 3 pushes the filter element 5 to move out of the filter tube body 1. Then, push the filter element 5 out of the filter tube body 1.
[0032] The technical principles of this utility model have been described above with reference to specific embodiments. These descriptions are merely for explaining the principles of this utility model and should not be construed as limiting the scope of protection of this utility model in any way. Based on this explanation, those skilled in the art can readily conceive of other specific embodiments of this utility model without inventive effort, and these embodiments will all fall within the protection scope of the claims of this utility model.
Claims
1. A biogas recovery filter tube comprising a filter tube body (1), characterized in that: The appearance of the filter pipe body (1) is a few characters, and the filter pipe is communicated at both ends, the inner wall of the filter pipe body (1) is connected with a blocking ring (2), one side of the blocking ring (2) is contacted with a supporting ring (3), one side of the supporting ring (3) is connected with a supporting sleeve (4), the other side of the supporting ring (3) is contacted with a plurality of filter cores (5), and the plurality of filter cores (5) are arranged at one time, the other side of the filter core (5) is contacted with a top ring (6), the upper surface of the filter pipe body (1) is connected with a clamping seat (7), the inner wall of the clamping seat (7) is clamped with an extension rod (8), the extension rod (8) is matched with the supporting sleeve (4), the inner side of the supporting sleeve (4) is provided with a clamping groove (23), the outer surface of the extension rod (8) is connected with a clamping block (24), and the clamping groove (23) is matched with the clamping block (24).
2. A biogas recovery filter tube according to claim 1, characterized in that: The inner wall of the filter pipe body (1) is provided with two containing grooves (9), and the two containing grooves (9) are located at both ends of the filter pipe body (1), and the inner wall of the containing groove (9) is rotatably connected with a supporting plate (10).
3. A biogas recovery filter tube according to claim 2, characterised in that: The both ends of the filter pipe body (1) are contacted with a cover plate (11), the inner wall of the cover plate (11) is rotatably connected with a connecting rod (12), one end of the connecting rod (12) located in the filter pipe body (1) is provided with a threaded section, and the threaded section of the connecting rod (12) is threadedly connected with the inner wall of the supporting plate (10).
4. The biogas recovery filter tube of claim 1, wherein: One side of the top ring (6) is contacted with a lead screw (13), the threaded section of the lead screw (13) is threadedly connected with a supporting frame (14), the inner side of the supporting frame (14) is provided with a sliding groove (15), the inner wall of the sliding groove (15) is slidably connected with a top foot (16), the inner wall of the filter pipe body (1) is provided with a blocking groove (17), and one end of the top foot (16) located outside the supporting frame (14) is contacted with the inner wall of the blocking groove (17).
5. A biogas recovery filter tube according to claim 4, characterised in that: One end of the top foot (16) located inside the sliding groove (15) is connected with a spring (18), and the other end of the spring (18) away from the top foot (16) is connected with the inner bottom wall of the sliding groove (15).
6. A biogas recovery filter tube according to claim 5, characterised in that: The inner side of the supporting frame (14) is provided with a sliding channel (19), the outer surface of the top foot (16) is connected with a sliding block (20), and the inner wall of the sliding channel (19) is slidably connected with the outer surface of the sliding block (20).
7. A biogas recovery filter tube according to claim 6, characterised in that: The inner wall of the sliding block (20) is slidably connected with a stop rod (21), the outer surface of the supporting frame (14) is connected with a blocking block (22), and the blocking block (22) is matched with the stop rod (21).