Drainage and deslagging device for gas extraction pipeline

Abstract

The utility model belongs to the technical field of coal mine gas extraction, and particularly relates to a drainage and deslagging device for a gas extraction pipeline, which comprises a support frame, a box body is installed at the top of the supporting frame, a guide rod is arranged in the box body in a sliding mode, a second sliding groove is formed in the middle of the guide rod, a second sliding block is arranged in the second sliding groove in a sliding mode, a second filter screen is installed at the top of the second sliding block, and a scraping plate is rotationally arranged on one side of the second filter screen. A scraping plate is arranged, a guide rod drives a second filter screen to move, and the scraping plate is extruded through the second filter screen, so that the scraping plate scrapes coal slag on the surface of the second filter screen 21 in the rotating process, and the coal slag on the surface of the second filter screen 21 is removed through the counter-acting force of the scraping plate on the second filter plate; and a second filter plate extrudes a sponge on a first filter screen under the auxiliary movement of a second sliding block, coal cinder on the filter screen and water in the sponge can be cleaned in time, so that the gas extraction purity is improved, and danger caused by blockage of an exhaust pipeline is prevented.

Description

Technical Field

[0001] The utility model belongs to the technical field of coal mine gas extraction, in particular to a water and slag discharge device for a gas extraction pipeline. Background Art

[0002] During coal mining, the gas in the coal seam must first be extracted to ensure safe mining and avoid gas explosion accidents. During the extraction process, gas is often accompanied by coal slag and accumulated water, which narrows the extraction pipeline and reduces the efficiency of gas extraction.

[0003] In the prior art, the water discharge and slag removal device of the gas extraction pipeline is composed of a box, an extraction mechanism, a filtering mechanism and a slag discharge mechanism. When gas extraction is performed, the motor in the extraction mechanism is operated to inject the gas mixture into the box through the air intake pipe, and the coal slag and the like in the gas are filtered and separated through the filter net on the filtering mechanism in the box, so that the coal slag and water are discharged collectively through the slag discharge mechanism.

[0004] At present, in the prior art, when gas is extracted, coal slag in the gas is filtered through a filtering mechanism. Long-term operation will cause the filter to be blocked. If it is not handled in time, it will easily cause pipeline blockage. Therefore, a gas extraction pipeline water discharge and slag removal device is proposed to solve the above problem. Utility Model Content

[0005] In order to make up for the shortcomings of the existing technology and solve the problem that the existing technology uses a filtering mechanism to filter coal slag in gas, which will cause the filter screen to be blocked after long-term operation and easily cause pipeline blockage if not handled in time, a gas extraction pipeline water discharge and slag removal device is proposed.

[0006] The technical solution adopted by the utility model to solve the technical problem is: a gas extraction pipeline water discharge and slag discharge device described in the utility model comprises a support frame; a box body is installed on the top of the support frame, and an air inlet pipe and an exhaust pipe are connected through both ends of the box body;

[0007] A second rotating rod is rotatably provided on one side of the top of the box body, a cam is mounted in the middle of the second rotating rod, and a second bevel gear is installed at the bottom of the second rotating rod. A first sliding groove is opened in the middle of the top of the box body, and a first sliding block is slidably provided in the first sliding groove. A guide rod is fixed on the top of the first sliding block, and a first filter screen is installed at one end of the lower part of the guide rod. A sponge is fixed on one side of the first filter screen. A second sliding groove is opened in the middle of the bottom of the guide rod, and a second sliding block is slidably provided in the second sliding groove. A second filter screen is installed on the top of the second sliding block, and a scraper plate is rotatably provided on one side of the second filter screen. A spring is fixed at one end of the guide rod, and one end of the spring is fixed on one side of the fixed plate.

[0008] Preferably, the cam and the guide rod are located in the same plane, and the cam and the guide rod cooperate in transmission, which facilitates the power transmission of the cam to the guide rod.

[0009] Preferably, a spring is fixed to one end of the guide rod, and one end of the spring is fixed to one side of the fixing plate. By providing the spring, the guide rod can be easily reset.

[0010] Preferably, the sponge is located between the first filter screen and the second filter screen, and the scraper plate is rotatably arranged on the side of the box body. By placing the sponge between the first filter screen and the second filter screen, the scraper plate can squeeze the sponge while scraping the residue from the second filter plate.

[0011] Preferably, a mounting frame is fixed in the air intake pipe, a first rotating rod is rotatably arranged in the middle of the mounting frame, a fan blade is installed in the middle of the first rotating rod, a first bevel gear is fixed to the far end of the first rotating rod, the first bevel gear and the second bevel gear are meshed with each other, and by arranging the first rotating rod and the fan blade, the first bevel gear can be driven to rotate.

[0012] Preferably, a discharge box is connected through the bottom of the box body, and a valve is slidably provided at the bottom of the discharge box. By providing the discharge box and the valve, it is convenient to collect and discharge the water and coal ash in the box body.

[0013] Beneficial effects of the utility model:

[0014] The utility model provides a gas extraction pipeline water discharge and slag removal device, which is provided with a scraper plate, and when the guide rod moves, the second filter screen is driven to move by the second slider in the second chute at the bottom, and the second filter screen is squeezed by the moving scraper plate, so that the scraper plate scrapes off the coal slag on the surface of the second filter screen during the rotation, and the reaction force of the scraper plate on the second filter screen is used, so that the second filter screen drives the second slider to move in the second chute, so that the second filter screen squeezes the sponge on the first filter screen, and the coal slag on the filter screen and the water in the sponge can be cleaned in time, thereby improving the extraction purity of the gas and preventing the danger caused by the blockage of the exhaust pipe. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The drawings described herein are used to provide a further understanding of the present invention and constitute a part of the present application. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation on the present invention. In the drawings:

[0016] Figure 1 It is a schematic diagram of the overall structure;

[0017] Figure 2 It is a full cross-section of the overall structure;

[0018] Figure 3 It is a schematic diagram of the internal structure of the box;

[0019] Figure 4 It is a cross-sectional view of the guide rod and the filter screen;

[0020] Figure 5 It is a transmission diagram of the second bevel gear and the guide rod;

[0021] Legend:

[0022] 1. Support frame; 2. Box body; 3. Inlet pipe; 4. Exhaust pipe; 5. Discharge box; 6. Valve; 7. Mounting frame; 8. First rotating rod; 9. Fan blade; 10. First bevel gear; 11. Second rotating rod; 12. Cam; 13. Second bevel gear; 14. First slide groove; 15. First slider; 16. Guide rod; 17. First filter; 18. Sponge; 19. Second slide groove; 20. Second slider; 21. Second filter; 22. Spring; 23. Fixed plate; 24. Scraper plate. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] Specific examples are given below.

[0025] See also Figure 1-Figure 5 The utility model provides a gas extraction pipeline water discharge and slag removal device, comprising a support frame 1; a box body 2 is installed on the top of the support frame 1, and an air inlet pipe 3 and an exhaust pipe 4 are connected through both ends of the box body 2;

[0026] A mounting frame 7 is fixed in the air intake pipe 3, and a first rotating rod 8 is rotatably provided in the middle of the mounting frame 7, and a fan blade 9 is installed in the middle of the first rotating rod 8, and a first bevel gear 10 is fixed to the distal end of the first rotating rod 8, and the first bevel gear 10 and the second bevel gear 13 are meshed with each other. A second rotating rod 11 is rotatably provided on one side of the top of the interior of the box body 2, and a cam 12 is sleeved on the middle of the second rotating rod 11, and a second bevel gear 13 is installed on the bottom of the second rotating rod 11, and a first slide groove 14 is opened in the middle of the top of the interior of the box body 2, and a first slider 15 is slidably provided in the first slide groove 14, and a guide rod 16 is fixed on the top of the first slider 15, and a first filter screen 17 is installed at one end of the lower part of the guide rod 16, and a sponge 18 is fixed on one side of the first filter screen 17, and the cam 12 and the guide rod 16 are located in the same plane, and the cam 12 and the guide rod 16 cooperate for transmission.

[0027] During operation, when gas extraction is carried out, the box body 2 is installed in the coal mine layer through the support frame 1, and the gas mixture in the coal mine layer is sucked into the box body 2 through the air inlet pipe 3 at one end of the box body 2. Driven by the airflow, the fan blades 9 on the first rotating rod 8 in the air inlet pipe 3 rotate, and under the limit of the mounting frame 7, the first rotating rod 8 drives the first bevel gear 10 to rotate, and through the mutual engagement of the first bevel gear 10 and the second bevel gear 13, the first bevel gear 10 drives the second rotating rod 11 on the second bevel gear 13 to rotate under the limit of the box body 2, so that the second rotating rod 11 drives the middle cam 12 to rotate, and through the rotation of the cam 12, the first slider 15 above the guide rod 16 is pushed to move in the first slide groove 14 at intervals, so that the guide rod 16 drives the first filter 17 and the sponge 18 installed at the bottom to move, and after the filtering is completed, the gas is discharged and collected through the exhaust pipe 4.

[0028] Furthermore, a second slide groove 19 is opened in the middle of the bottom of the guide rod 16, and a second slider 20 is slidably arranged in the second slide groove 19. A second filter screen 21 is installed on the top of the second slider 20, and a scraper plate 24 is rotatably arranged on one side of the second filter screen 21. A spring 22 is fixed to one end of the guide rod 16, and one end of the spring 22 is fixed to one side of the fixed plate 23. The sponge 18 is located between the first filter screen 17 and the second filter screen 21. The scraper plate 24 is rotatably arranged on the side of the box body 2, and the bottom of the box body 2 is connected through with a discharge box 5, and a valve 6 is slidably arranged at the bottom of the discharge box 5.

[0029] During operation, the spring 22 installed at one end of the guide rod 16 pushes the guide rod 16 to reciprocate under the limit of the fixed plate 23. When the guide rod 16 moves, the second slider 20 in the second chute 19 at the bottom drives the second filter 21 to move, and the scraper plate 24 of the second filter 21 is squeezed, so that the scraper plate 24 scrapes off the coal slag on the surface of the second filter 21 during the rotation process, and the reaction force of the scraper plate 24 on the second filter 21 causes the second filter 21 to drive the second slider 20 to move in the second chute 19, so that the second filter 21 squeezes the sponge 18 on the first filter 17, so that the water in the sponge 18 is squeezed out and flows into the discharge box 5 below the box body 2. When the water and coal slag in the discharge box 5 reach a certain amount, the water and coal slag in the discharge box 5 are discharged and cleaned through the valve 6.

[0030] Working principle: When gas extraction is carried out, the box body 2 is installed in the coal mine layer through the support frame 1, and the gas mixture in the coal mine layer is sucked into the box body 2 through the air inlet pipe 3 at one end of the box body 2. Driven by the airflow, the fan blades 9 on the first rotating rod 8 in the air inlet pipe 3 rotate, and under the limit of the mounting frame 7, the first rotating rod 8 drives the first bevel gear 10 to rotate, and through the mutual engagement of the first bevel gear 10 and the second bevel gear 13, the first bevel gear 10 drives the second rotating rod 11 on the second bevel gear 13 to rotate under the limit of the box body 2, so that the second rotating rod 11 drives the middle cam 12 to rotate, and through the rotation of the cam 12, the interval push The first slider 15 above the movable guide rod 16 moves in the first slide groove 14, so that the guide rod 16 drives the first filter screen 17 and the sponge 18 installed at the bottom to move. Through the spring 22 installed at one end of the guide rod 16, under the limit of the fixed plate 23, the spring 22 pushes the guide rod 16 to reciprocate. When the guide rod 16 moves, the second slider 20 in the second slide groove 19 at the bottom drives the second filter screen 21 to move, and the second filter screen 21 is squeezed by the moving scraper plate 24, so that the scraper plate 24 scrapes off the coal slag on the surface of the second filter screen 21 during the rotation process, and the scraper plate 24 exerts a reaction force on the second filter screen 21. The second filter screen 21 drives the second slider 20 to move in the second slide groove 19, so that the second filter screen 21 squeezes the sponge 18 on the first filter screen 17, so that the water in the sponge 18 is squeezed out and flows into the discharge box 5 under the box body 2. When the water and coal slag in the discharge box 5 reach a certain amount, the water and coal slag in the discharge box 5 are discharged and cleaned through the valve 6. After the filtering is completed, the gas is discharged and collected through the exhaust pipe 4.

[0031] In the description of this specification, the description with reference to the terms "one embodiment", "example", "specific example", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0032] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, and these changes and improvements fall within the scope of the utility model to be protected.

Claims

1. A gas extraction pipeline water discharge and slag discharge device, characterized in that: It comprises a support frame (1); a box body (2) is installed on the top of the support frame (1); and an air intake pipe (3) and an air exhaust pipe (4) are connected through both ends of the box body (2); A second rotating rod (11) is rotatably arranged at one side of the top of the box body (2), a cam (12) is mounted in the middle of the second rotating rod (11), a second bevel gear (13) is mounted at the bottom of the second rotating rod (11), a first sliding groove (14) is opened in the middle of the top of the box body (2), a first sliding block (15) is slidably arranged in the first sliding groove (14), a guide rod (16) is fixed at the top of the first sliding block (15), and a first filter screen (17) is mounted at one end of the lower part of the guide rod (16). ), a sponge (18) is fixed to one side of the first filter screen (17), a second slide groove (19) is provided in the middle of the bottom of the guide rod (16), a second slider (20) is slidably arranged in the second slide groove (19), a second filter screen (21) is installed on the top of the second slider (20), a scraper plate (24) is rotatably arranged on one side of the second filter screen (21), a spring (22) is fixed to one end of the guide rod (16), and one end of the spring (22) is fixed to one side of the fixed plate (23).

2. A gas extraction pipeline water discharge and slag discharge device according to claim 1, characterized in that: The cam (12) and the guide rod (16) are located in the same plane, and the cam (12) and the guide rod (16) cooperate in transmission.

3. A gas extraction pipeline water discharge and slag discharge device according to claim 1, characterized in that: The sponge (18) is located between the first filter screen (17) and the second filter screen (21), and the scraper plate (24) is rotatably arranged on the side of the box body (2).

4. A gas extraction pipeline water discharge and slag discharge device according to claim 1, characterized in that: A mounting frame (7) is fixed inside the air intake pipe (3), a first rotating rod (8) is rotatably arranged in the middle of the mounting frame (7), a fan blade (9) is installed in the middle of the first rotating rod (8), a first bevel gear (10) is fixed at the far end of the first rotating rod (8), and the first bevel gear (10) and the second bevel gear (13) are meshed with each other.

5. A gas extraction pipeline water discharge and slag discharge device according to claim 1, characterized in that: The bottom of the box body (2) is connected through a discharge box (5), and a valve (6) is slidably provided at the bottom of the discharge box (5).

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