Rapidly-replaceable negative-pressure water discharging device with filtering piece
By designing a negative pressure drainer with filter parts, using right-angle bent pipes to form a water cover and a float control one-way exhaust valve, the problem of gas leakage in the prior art is solved, and a gas extraction system with high safety performance and easy disassembly is achieved.
Patent Information
- Application Number
- CN202422300389.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-20
- Publication Date
- 2025-07-04
- Estimated Expiration
- 2034-09-20
AI Technical Summary
The existing negative pressure water dischargers have safety hazards for gas leakage in the gas extraction system, and their use effect is poor.
A negative pressure drainer with filter parts is designed to quickly replace the negative pressure drainage device, forming a water cover through right angle bends to prevent gas leakage, and a one-way exhaust valve is controlled by a float and extrusion plate, combining a negative pressure balance valve to maintain the system balance, and discharge cinder through the slag discharge pipe, which has a simple structure for disassembly and easy maintenance.
It effectively prevents gas leakage, improves safety performance, is simple in structure, is easy to use, can be quickly disassembled and repaired, and ensures the normal operation of the gas extraction system.
Smart Images

Figure CN223062490U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of negative pressure water drainers, and more specifically, to a negative pressure water drainer with a filter element that can be quickly replaced. Background Art
[0002] The negative pressure water drainer is a very important component in the coal mine gas drainage system. It can effectively solve the problem of water accumulation, avoid pipeline blockage or cross-section reduction caused by excessive water accumulation, and thus ensure the normal operation of the gas drainage system.
[0003] During the use of the existing negative pressure water drainer, the inside of the water drainer can effectively seal the gas drainage system under the action of negative pressure, thereby preventing gas leakage. When the gas drainage system discharges water, some gas will leak, posing a certain safety hazard and having a poor use effect. Summary of the Utility Model
[0004] In order to overcome the above-mentioned defects of the prior art, the utility model provides a negative pressure water drainer with a filter element that can be quickly replaced, aiming to solve the problems raised in the above background art.
[0005] To achieve the above purpose, the utility model provides the following technical solution: A negative pressure water drainer with a filter element that can be quickly replaced, including a first cylinder body. A second cylinder body is movably arranged on one side of the first cylinder body. A first conduit is fixedly communicated with the first cylinder body. A second conduit is fixedly communicated with the second cylinder body. And one ends of the second conduit and the first conduit facing each other are both fixedly connected with a first connecting plate. A right-angle elbow is fixedly connected to the side of the second cylinder body away from the first cylinder body, and the right-angle elbow is located at the bottom of the second conduit. One end of the right-angle elbow is fixedly connected with a second connecting plate. A fourth conduit is fixedly communicated with the side of the first cylinder body away from the second cylinder body. One end of the fourth conduit is fixedly connected with a third connecting plate.
[0006] Further, a third conduit is fixedly communicated with the top end of the second cylinder body, and a negative pressure balance valve is fixedly installed on the third conduit.
[0007] It can be seen that in the above technical solution, the gas extraction pipeline is connected to the third conduit, and the negative pressure balance valve can adjust the pressure and maintain the balance state of the gas extraction system.
[0008] Further, a fourth connecting plate is fixedly connected to the top end of the first cylinder body. A cover plate is movably arranged on the top of the fourth connecting plate. A plurality of bolts are movably arranged on the cover plate, and the cover plate and the fourth connecting plate are fixed to each other through the plurality of bolts.
[0009] It can be seen that in the above technical solution, the plurality of bolts are rotated in sequence and moved away from the fourth connecting plate, thereby releasing the fixation between the fourth connecting plate and the cover plate.
[0010] Further, a fifth conduit is fixedly communicated with the center position at the top end of the cover plate, and a one-way exhaust valve is fixedly installed on the fifth conduit.
[0011] Further, a control assembly is arranged at the bottom of the cover plate, and the control assembly includes a waterproof switch, a sliding rod, a floating ball and a pressing plate.
[0012] Further, the bottom end of the sliding rod penetrates through the pressing plate and the floating ball and is fixedly connected with the first cylinder body, and the top end of the floating ball is fixedly connected with the pressing plate, and the waterproof switch is fixedly installed at the bottom end of the cover plate.
[0013] Further, a slag discharge pipe is fixedly communicated with the rear side of the second cylinder body near the bottom edge position.
[0014] It can be seen that in the above technical solution, the coal slag in the second cylinder body can be discharged through the slag discharge pipe, so as to prevent the coal slag from accumulating in the second cylinder body.
[0015] The technical effects and advantages of the present utility model:
[0016] 1. In the present utility model, the accumulated water enters the inside of the second cylinder body through the right-angle elbow pipe, and the accumulated water accumulates to form a water cover surface, so as to prevent gas leakage. The excess water enters the first cylinder body through the second conduit and the first conduit, and finally is discharged through the fourth conduit, forming a complete water channel. The second conduit and the first conduit are disassembled, and then the second cylinder body is overhauled and replaced. The structure is simple, the safety performance is high, and the use effect is good;
[0017] 2. In the present utility model, the floating ball and the pressing plate are sleeved on the sliding rod, and the sliding rod is used to limit the floating ball and the pressing plate. Similarly, the fourth connecting plate and the cover plate are fixed. The floating ball floats on the accumulated water. When the accumulated water in the first cylinder body increases, the floating ball starts to move upward, thereby driving the pressing plate to move upward. The waterproof switch is pressed by the pressing plate, so as to control the opening of the one-way exhaust valve. The structure is simple and the use is convenient. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] The structures, ratios, sizes, etc. illustrated in this specification are only used to cooperate with the content disclosed in the specification for those who are familiar with this technology to understand and read, and are not used to limit the limited conditions that the present utility model can be implemented. Therefore, they do not have technical essence significance. Any modification of the structure, change of the proportional relationship or adjustment of the size, without affecting the effects that the present utility model can produce and the purposes that can be achieved, should still fall within the scope that the technical content disclosed by the present utility model can cover.
[0019] Figure 1 It is a schematic diagram of the overall structure of the present utility model;
[0020] Figure 2 Rear view of the overall structure of the present utility model;
[0021] Figure 3 Orthographic view of the overall structure of the present utility model;
[0022] Figure 4 Schematic diagram of the cross-section of the first cylinder body and the slide bar structure of the present utility model;
[0023] Figure 5 Schematic diagram of the cross-section of the second cylinder body and the assembly structure of the right-angle elbow pipe of the present utility model;
[0024] Figure 6 Schematic diagram of the assembly structure of the cover plate and the extrusion plate of the present utility model.
[0025] In the figure: 1. First cylinder body; 2. Second cylinder body; 3. First conduit; 4. Second conduit; 5. First connecting plate; 6. Third conduit; 7. Negative pressure balance valve; 8. Slag discharge pipe; 9. Right-angle elbow pipe; 10. Second connecting plate; 11. Fourth conduit; 12. Third connecting plate; 13. Fourth connecting plate; 14. Cover plate; 15. Fifth conduit; 16. One-way exhaust valve; 17. Bolt; 18. Waterproof switch; 19. Slide bar; 20. Floating ball; 21. Extrusion plate. Specific embodiments
[0026] The following specific embodiments illustrate the implementation manners of the present utility model. Those skilled in the art can easily understand other advantages and effects of the present utility model from the content disclosed in this specification. Obviously, the described embodiments are part of the embodiments of the present utility model, rather than all of them. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.
[0027] Refer to the attached drawings of the specification Figure 1-6 , the quick-replace negative pressure water drainer with a filter element of this embodiment includes a first cylinder body 1, a second cylinder body 2 is movably arranged on one side of the first cylinder body 1, a first conduit 3 is fixedly communicated on the first cylinder body 1, a second conduit 4 is fixedly communicated on the second cylinder body 2, and first connecting plates 5 are fixedly connected to the opposite ends of the second conduit 4 and the first conduit 3. A right-angle elbow pipe 9 is fixedly connected to the side of the second cylinder body 2 away from the first cylinder body 1, and the right-angle elbow pipe 9 is located at the bottom of the second conduit 4. One end of the right-angle elbow pipe 9 is fixedly connected to a second connecting plate 10. A fourth conduit 11 is fixedly communicated on the side of the first cylinder body 1 away from the second cylinder body 2, one end of the fourth conduit 11 is fixedly connected to a third connecting plate 12, a third conduit 6 is fixedly communicated at the top of the second cylinder body 2, a negative pressure balance valve 7 is fixedly installed on the third conduit 6, and a slag discharge pipe 8 is fixedly communicated at a position near the bottom edge at the rear side of the second cylinder body 2.
[0028] Furthermore, a fourth connecting plate 13 is fixedly connected to the top end of the first cylinder body 1. A cover plate 14 is movably arranged on the top of the fourth connecting plate 13. A plurality of bolts 17 are movably arranged on the cover plate 14, and the cover plate 14 and the fourth connecting plate 13 are fixed by the plurality of bolts 17. A fifth conduit 15 is fixedly communicated with the center position at the top end of the cover plate 14. A one-way exhaust valve 16 is fixedly installed on the fifth conduit 15. A control assembly is arranged at the bottom of the cover plate 14. The control assembly includes a waterproof switch 18, a sliding rod 19, a floating buoy 20 and a pressing plate 21. The bottom end of the sliding rod 19 penetrates through the pressing plate 21 and the floating buoy 20 and is fixedly connected to the first cylinder body 1, and the top end of the floating buoy 20 is fixedly connected to the pressing plate 21. The waterproof switch 18 is fixedly installed at the bottom end of the cover plate 14.
[0029] Among them, rotate the plurality of bolts 17 in sequence and make them away from the fourth connecting plate 13, so as to release the fixation between the fourth connecting plate 13 and the cover plate 14. Sleeve the floating buoy 20 and the pressing plate 21 on the sliding rod 19, and limit the floating buoy 20 and the pressing plate 21 through the sliding rod 19. Similarly, fix the fourth connecting plate 13 and the cover plate 14. The floating buoy 20 floats on the accumulated water. When the accumulated water in the first cylinder body 1 increases, the floating buoy 20 starts to move upward, thereby driving the pressing plate 21 to move upward. The waterproof switch 18 is pressed through the pressing plate 21, so as to control the opening of the one-way exhaust valve 16. The structure is simple and the use is convenient.
[0030] The usage method of this embodiment is as follows:
[0031] During use, connect the gas drainage pipeline to the third conduit 6. The pressure can be adjusted through the negative pressure balance valve 7 to keep the gas drainage system in a balanced state. Fix the external connecting pipe to the second connecting plate 10 through the bolt 17. The accumulated water enters the inside of the second cylinder body 2 through the right-angle elbow 9. The accumulated water accumulates to form a water seal surface, thereby preventing gas leakage. The excess water enters the first cylinder body 1 through the second conduit 4 and the first conduit 3, and is finally discharged through the fourth conduit 11, forming a complete water channel. The coal slag in the second cylinder body 2 can be discharged through the slag discharge pipe 8, thereby preventing the coal slag from accumulating in the second cylinder body 2. At the same time, the two first connecting plates 5 are fixed to each other through four bolts 17, so that the second conduit 4 is communicated with the first conduit 3. Similarly, disassemble the second conduit 4 and the first conduit 3 for overhaul and replacement of the second cylinder body 2. The structure is simple, the safety performance is high, and the use effect is good.
[0032] The content not described in detail in the specification belongs to the prior art well-known to those skilled in the art, and the model parameters of each electrical appliance are not specifically limited. Conventional equipment can be used. In this technical solution, the electrical control components not mentioned are not shown in the figure because they belong to the prior art, and will not be described herein.
[0033] The above are only the preferred embodiments of the present utility model, and are not intended to limit the present utility model. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present utility model shall be included within the protection scope of the present utility model.
Claims
1. Quick replacement negative pressure water drainer with filter element, including a first cylinder body (1), and a second cylinder body (2) is movably arranged on one side of the first cylinder body (1), characterized in that: A first conduit (3) is fixedly communicated with the first cylinder body (1), a second conduit (4) is fixedly communicated with the second cylinder body (2), and first connecting plates (5) are fixedly connected to opposite ends of the second conduit (4) and the first conduit (3). A right-angle elbow (9) is fixedly connected to a side of the second cylinder body (2) away from the first cylinder body (1), and the right-angle elbow (9) is located at the bottom of the second conduit (4). A second connecting plate (10) is fixedly connected to one end of the right-angle elbow (9). A fourth conduit (11) is fixedly communicated with a side of the first cylinder body (1) away from the second cylinder body (2), and a third connecting plate (12) is fixedly connected to one end of the fourth conduit (11).
2. The quick-replaceable negative-pressure water drainer with a filter element according to claim 1, characterized in that: A third conduit (6) is fixedly communicated with the top end of the second cylinder body (2), and a negative pressure balance valve (7) is fixedly installed on the third conduit (6).
3. The quick-replacement negative-pressure water drainer with a filter element according to claim 1, characterized in that: A fourth connecting plate (13) is fixedly connected to the top end of the first cylinder body (1), a cover plate (14) is movably arranged on the top of the fourth connecting plate (13), a plurality of bolts (17) are movably arranged on the cover plate (14), and the cover plate (14) is fixed to the fourth connecting plate (13) through the plurality of bolts (17).
4. The quick-replacement negative-pressure water drainer with a filter element according to claim 3, characterized in that: A fifth conduit (15) is fixedly communicated with the center position at the top end of the cover plate (14), and a one-way exhaust valve (16) is fixedly installed on the fifth conduit (15).
5. The quick-replacement negative-pressure water drainer with a filter element according to claim 3, characterized in that: A control assembly is arranged at the bottom of the cover plate (14), and the control assembly includes a waterproof switch (18), a sliding rod (19), a floating body (20) and a pressing plate (21).
6. The quick-replacement negative-pressure water drainer with a filter element according to claim 5, characterized in that: The bottom end of the sliding rod (19) penetrates through the pressing plate (21) and the floating body (20) and is fixedly connected to the first cylinder body (1), the top end of the floating body (20) is fixedly connected to the pressing plate (21), and the waterproof switch (18) is fixedly installed at the bottom end of the cover plate (14).
7. The quick-replacement negative-pressure water drainer with a filter element according to claim 1, characterized in that: A slag discharge pipe (8) is fixedly communicated with a position near the bottom edge at the rear side of the second cylinder body (2).