Efficient sealing, repairing, concentration and flow extraction integrated gas treatment device

Abstract

The invention discloses an efficient sealing and repairing concentration and flow extraction integrated gas treatment device, and relates to the technical field of coal mine gas treatment, the efficient sealing and repairing concentration and flow extraction integrated gas treatment device is provided with a sealing mechanism, the sealing performance between an extraction pipe and an extraction hole can be effectively improved through the sealing mechanism, and the extraction efficiency and reliability are guaranteed; the sealing structure can adapt to efficient sealing in occasions such as repair of soft rocks and damaged extraction holes, and the sealing capacity and the extraction capacity of the extraction pipe are improved. The extraction hole repairing mechanism is arranged, the extraction hole repairing mechanism can conduct stepped slotted hole repairing on the end portion of the extraction hole, so that the sealing mechanism can seal the extraction pipe to the outer end portion of the extraction hole, efficient sealing on occasions such as repairing of soft rock and damaged extraction holes can be achieved through mutual cooperation of the extraction hole repairing mechanism and the sealing mechanism, and the extraction hole repairing mechanism is convenient to use. And the subsequent gas extraction efficiency and reliability are ensured.

Description

Technical Field

[0001] The invention relates to the technical field of gas management, and in particular to a highly efficient gas management device integrating sealing, repairing, concentration and flow enhancement. Background Art

[0002] For coal mining, in order to prevent the danger of explosion caused by excessive gas concentration, it is necessary to drill into the coal seam and gas concentration area during coal mining, connect the borehole to a dedicated pipeline, and use extraction equipment to extract the gas in the coal seam and goaf to the ground for utilization or discharge it into the total return air flow. Moreover, gas extraction is not only an important measure to reduce the gas outflow during the mining process, prevent gas over-limit and accumulation, and prevent gas explosions and coal and gas outburst accidents, but also can turn harm into benefit and be developed and utilized as a resource associated with coal.

[0003] However, in the actual gas extraction process, the poor sealing effect of the gas extraction pipe often leads to low gas extraction efficiency and incomplete gas extraction. Especially for the extraction of some soft rock formations, the sealing effect and efficiency of the end of the extraction hole are often poor, affecting the extraction efficiency. Especially when the end of the drill hole is not standard, it is difficult to repair the seal.

[0004] In addition, since the extracted gas after coal seam gas extraction contains a lot of air, water vapor, dust, etc., the methane concentration in the extracted gas is not high. In the actual effective utilization of gas, it is generally required that the methane concentration in the gas extracted reaches a certain value (for example, at least 30%) before it can be effectively utilized. This results in the gas after extraction being unable to be effectively utilized subsequently. Therefore, the extracted gas needs to be concentrated.

[0005] Therefore, it is necessary to provide an integrated gas management device with high efficiency sealing, repairing, concentration and flow improvement to solve the above problems. Summary of the invention

[0006] To achieve the above object, the present invention provides the following technical solution: a highly efficient sealing and repairing integrated gas treatment device for concentration and flow, comprising an extraction pipe, the extraction pipe extending into the extraction hole; characterized in that it also includes:

[0007] A sealing mechanism, wherein the sealing mechanism is sleeved on the outer end of the extraction pipe, and the sealing mechanism uses a waterproof sealing slurry to seal the outer end of the extraction hole, and the extraction pipe can pass through the sealing mechanism;

[0008] A connecting pipe connected to the outer end of the extraction pipe;

[0009] A pumping unit connected to the end of the connecting pipe;

[0010] A pumped gas pretreatment tank, which can remove water vapor and dust particles in the pumped gas and can temporarily store the pretreated pumped gas;

[0011] A concentration mechanism, wherein the input end of the concentration mechanism is connected to the pumped gas pretreatment tank by a delivery pipe, and a delivery pump unit is provided on the delivery pipe. The concentration mechanism can remove oxygen and nitrogen from the pretreated pumped gas to increase the gas concentration in the pumped gas;

[0012] The extraction hole repair mechanism can repair the end of the extraction hole by opening a stepped groove, so that the sealing mechanism can seal the extraction tube to the outer end of the extraction hole.

[0013] Further, as a preference, the stepped slot hole includes an inner large hole, a connecting hole and an outer large hole, the diameter of the inner large hole is larger than the diameter of the extraction hole, and the inner end of the inner large hole is coaxially connected with the inner side of the extraction hole, the outer large hole is opened at the outermost end of the extraction hole, and the diameter of the outer large hole is larger than the diameter of the connecting hole, the diameter of the inner large hole is larger than the diameter of the connecting hole, the connecting hole is coaxially connected between the inner large hole and the outer large hole, and the sealing mechanism is arranged in the inner large hole, the connecting hole and the outer large hole.

[0014] Further, as a preference, the sealing mechanism comprises an inner elastic expansion ring, an outer fixed flange and a connecting spiral. The inner elastic expansion ring is an elastically deformable structure, and the inner elastic expansion ring can be extended into and arranged in the inner large hole. The outer fixed flange can be sleeved in the outer large hole. The connecting spiral is coaxially connected between the inner elastic expansion ring and the outer fixed flange. The inner elastic expansion ring, the outer fixed flange and the connecting spiral are all provided with a central through hole. The extraction tube is sleeved in the central through hole. The connecting spiral is provided with a spiral groove extending along its axial direction, and the spiral groove is connected with the central through hole. The inner elastic expansion ring can be expanded by filling it with expansion slurry or mortar. Sealing slurry is injected under high pressure between the inner wall of the inner large hole and the outer wall of the inner elastic expansion ring, and between the connecting spiral and the inner wall of the connecting hole. The sealing slurry can be filled in the spiral groove, and the sealing slurry is injected after the extraction tube is extended into the sleeve and installed in the sealing mechanism.

[0015] Further, as a preference, the extraction hole repair mechanism comprises:

[0016] A movable bracket, wherein the movable bracket is a frame structure, and a movable wheel is provided at the bottom of the movable bracket;

[0017] a first driving mechanism, the first driving mechanism being mounted at a rear end of the movable support;

[0018] A universal joint, wherein the output end of the first driving mechanism is connected to the universal joint via a driving shaft;

[0019] A spline shaft, the end of the universal joint is fixedly connected to the spline shaft;

[0020] A spline cylinder, one end of which is telescopically sleeve-connected to the spline shaft;

[0021] A rotating main shaft, the rotating main shaft is fixedly connected to the other end of the spline cylinder;

[0022] An auxiliary support frame, wherein the auxiliary support frame is installed on the movable support frame by using an auxiliary connecting frame, and the auxiliary connecting frame is vertically extended and located at the front end of the movable support frame, and the auxiliary support frame is located below the rotating main shaft;

[0023] a second driving mechanism, the second driving mechanism being arranged on the movable bracket and located above the rotating main shaft, and the second driving mechanism being capable of cooperating with the first driving mechanism to simultaneously drive the rotating main shaft to rotate;

[0024] An auxiliary support mechanism, the auxiliary support mechanism is arranged on the auxiliary support frame and can provide auxiliary support for the rotating main shaft;

[0025] A connecting chuck, wherein the end of the rotating spindle is fixedly provided with the rotating chuck;

[0026] A tool assembly for opening a stepped slot hole, wherein the tool handle of the tool assembly for opening a stepped slot hole is detachably clamped and fixed on the rotating chuck, the tool assembly for opening a stepped slot hole can open a stepped hole with a larger inner hole and a smaller outer hole, and the inner diameter of the stepped hole that can be opened by the tool assembly for opening a stepped slot hole can be steplessly adjusted.

[0027] Further, preferably, the first driving mechanism comprises:

[0028] A first driving motor, wherein the first driving motor is fixedly disposed at the rear end of the movable bracket, and an output shaft of the first driving motor is arranged upward;

[0029] A gear transmission box, wherein the gear transmission box is fixed on the movable bracket, and the output shaft of the first drive motor is connected to the input end of the gear transmission box;

[0030] A driving rod is fixedly arranged at the output end of the gear transmission box, and the driving rod is horizontally extended, and the end of the driving rod is connected to the universal joint.

[0031] Further, preferably, the auxiliary support mechanism comprises:

[0032] An arc-shaped support frame, wherein the top of the auxiliary support frame is provided with an arc-shaped support frame, and the top of the arc-shaped support frame is provided with an arc-shaped support avoidance groove;

[0033] Auxiliary support rollers, the two auxiliary support rollers are at the same horizontal height and are symmetrically arranged on the left and right. The external fixed sleeve of the rotating main shaft is provided with two spaced support wheels, and each of the support wheels cooperates with the auxiliary support roller for rolling support.

[0034] Further, preferably, the second driving mechanism comprises:

[0035] a second drive motor, wherein the second drive motor is fixed to the top side of the movable bracket by a motor base;

[0036] A driving pinion gear, wherein the driving pinion gear is fixed to the output end of the second driving motor, and the central axis of the driving pinion gear is arranged horizontally;

[0037] A driving gear, which is fixedly sleeved on the rotating main shaft and located between the two auxiliary support rollers, the two auxiliary support rollers are arranged in parallel and spaced apart, and the driving pinion is meshed with the driving gear for transmission;

[0038] A supporting gear is symmetrically and rotatably arranged on the arc-shaped supporting frame, and the supporting gear is meshed with the driving large gear for transmission.

[0039] Further, as a preference, the step slot hole opening tool assembly comprises:

[0040] A connecting ring, the connecting ring is fixedly connected to the knife handle;

[0041] A diameter adjustment mechanism, wherein the diameter adjustment mechanism is fixed to an end of the connecting ring away from the tool handle;

[0042] There are multiple slotting tools, and the multiple slotting tools are arranged in a circularly spaced array at the end of the diameter adjustment mechanism away from the connecting ring. Each slotting tool includes a knife body and a cutting shoulder at the end of the knife body. The diameter surrounded by each knife body is smaller than the diameter surrounded by each cutting shoulder. The diameter adjustment mechanism can steplessly adjust the diameter surrounded by each knife body.

[0043] Further, preferably, the diameter adjustment mechanism comprises:

[0044] An inner ring frame, the inner ring frame is fixedly connected to the connecting ring, the inner ring frame is two and arranged at intervals along the axial direction thereof, and the two inner ring frames are connected and fixed in the axial direction by an inner axial rod, and the inner axial connecting rod is a plurality of rods arranged in a circumferential array;

[0045] An outer ring frame, wherein the outer ring frame is coaxially sleeved on the outside of the inner ring frame, and there is a certain spacing distance between the inner ring frame and the outer ring frame, the outer ring frame is two and spaced apart along the axial direction thereof, and the two outer ring frames are connected and fixed in the axial direction by an outer axial rod, and the outer axial connecting rod is a plurality of rods arranged in a circumferential array;

[0046] A radial connecting member, wherein the radial connecting member is connected between the inner ring frame and the outer ring frame, and the radial connecting member is a plurality of radial connecting members arranged in a circumferential array;

[0047] There are multiple pinions, and each pinion is rotatably supported on two adjacent outer axial rods;

[0048] A universal joint, wherein the gear shafts of two adjacent pinion gears are connected together by transmission using the universal joint;

[0049] A rack, radial grooves are provided between two adjacent outer axial rods and between two adjacent inner axial rods, the rack is limitedly slidably fitted in the radial grooves, and the rack is meshedly connected with the pinion, the end of the blade body of the slotting tool is connected to the radial inner end of the rack, and the extension direction of the blade body is perpendicular to the extension direction of the rack;

[0050] A diameter-controlled telescopic drive is fixed between two racks in the same radial direction or between one or more racks and the outer ring frame. The diameter-controlled telescopic drive simultaneously drives the synchronous movement of each rack, thereby realizing the diameter adjustment of the grooving tool.

[0051] Further, as a preference, the concentration mechanism comprises:

[0052] A drying and fine filtering pressure stabilizing tank, the air inlet end of which is connected to the output end of the delivery pipe, and the drying and fine filtering pressure stabilizing tank can further dry and fine filter the extracted gas inside it, and can ensure that the extracted gas after fine filtration is transported outward in a stable pressure manner;

[0053] A carbon dioxide membrane separation tank, the input end of which is connected to the output end of the drying and fine filtration pressure-stabilizing tank;

[0054] An oxygen primary separation tank, the input end of which is connected to the output end of the carbon dioxide membrane separation tank;

[0055] An oxygen secondary separation tank, the input end of which is in communication with the output end of the oxygen primary separation tank;

[0056] A nitrogen primary separation tank, wherein the input end of the nitrogen primary separation tank is connected to the output end of the oxygen secondary separation tank;

[0057] A nitrogen secondary separation tank, the input end of which is connected to the output end of the nitrogen primary separation tank;

[0058] The drying and fine filtration pressure stabilizing tank, the carbon dioxide membrane separation tank, the oxygen primary separation tank, the oxygen secondary separation tank, the nitrogen primary separation tank and the nitrogen secondary separation tank are all installed in the filter frame.

[0059] Compared with the prior art, the present invention provides a highly efficient sealing and repairing gas concentration and flow enhancement integrated gas treatment device, which has the following beneficial effects:

[0060] In the present invention, a sealing mechanism is provided, and the sealing structure can effectively improve the sealing performance between the extraction pipe and the extraction hole, ensure the extraction efficiency and reliability, and the sealing structure can adapt to the efficient sealing in occasions such as the repair of soft rocks and damaged extraction holes, thereby improving the sealing ability and extraction capacity of the extraction pipe.

[0061] In the present invention, a drainage hole repair mechanism is provided, which can repair the end of the drainage hole by opening a stepped groove hole, so that the sealing mechanism can seal the drainage tube to the outer end of the drainage hole. By cooperating with the sealing mechanism, it can achieve efficient sealing in situations such as repairing soft rocks and damaged drainage holes, thereby ensuring the efficiency and reliability of subsequent gas extraction.

[0062] In the present invention, the concentration mechanism can separate water vapor, carbon dioxide, oxygen and nitrogen, effectively increase the methane concentration in the gas, and improve the subsequent application value of the gas, thereby obtaining an efficient, clean and safe energy source and maximizing the economic benefits of coal mining. BRIEF DESCRIPTION OF THE DRAWINGS

[0063] Figure 1 It is a schematic diagram of the overall structure of a highly efficient sealing and repairing gas treatment device that integrates concentration and flow;

[0064] Figure 2 It is a three-dimensional structural schematic diagram of the sealing mechanism of a highly efficient sealing and repairing gas treatment device integrating concentration and flow improvement;

[0065] Figure 3 It is a structural schematic diagram of the sealing mechanism of a highly efficient sealing and repairing gas treatment device integrating concentration and flow improvement;

[0066] Figure 4 It is a schematic diagram of the planar structure of a drainage hole repair mechanism of a highly efficient sealing and repairing gas concentration and flow enhancement integrated gas treatment device;

[0067] Figure 5 It is a three-dimensional structural schematic diagram of a drainage hole repair mechanism in a highly efficient sealing and repairing gas treatment device integrating concentration and flow improvement;

[0068] Figure 6 for Figure 5 Schematic diagram of the local enlarged structure in;

[0069] Figure 7 A schematic diagram of the main structure of a tool assembly for opening a stepped slot in a highly efficient gas treatment device for sealing, repairing, concentration and flow enhancement;

[0070] Figure 8 A three-dimensional structural schematic diagram of one angle of a tool assembly for opening a stepped slot hole in a highly efficient sealing and repairing integrated gas treatment device for concentration and flow improvement;

[0071] Fig. 9 A schematic diagram of the three-dimensional structure of another angle of the tool assembly for opening a stepped slot hole in a highly efficient sealing and repairing integrated gas treatment device for concentration and flow improvement;

[0072] In the figure: 1. extraction pipe; 2. inner elastic expansion ring; 3. connecting spiral piece; 4. outer fixing flange; 5. connecting pipe; 6. extraction pump unit; 7. extraction gas pretreatment tank; 8. delivery pipe; 9. delivery pump unit; 10. drying and fine filtration pressure regulating tank; 11. nitrogen secondary separation tank; 12. nitrogen primary separation tank; 13. oxygen secondary separation tank; 14. oxygen primary separation tank; 15. carbon dioxide membrane separation tank; 16. spiral groove; 17. center through hole; 18. inner large hole; 19. auxiliary connecting frame; 20. universal joint; 21. movable bracket; 22. auxiliary support mechanism; 23. stepped groove The invention relates to a tool assembly for opening a hole; 24, a tool handle; 25, an auxiliary support frame; 26, a spline cylinder; 27, a spline shaft; 28, a first drive motor; 29, a drive rod; 30, a rotating chuck; 31, a connecting ring; 32, a diameter adjustment mechanism; 33, a slotting tool; 34, an arc-shaped support frame; 35, a supporting wheel; 36, a supporting gear; 37, a motor seat; 38, a driving gear; 39, a connecting hole; 40, an outer large hole; 41, a rotating spindle; 42, 43, an outer ring frame; 44, a rack; 45, a universal joint; 46, a pinion; 47, an outer axial rod; 48, an inner ring frame; 49, a radial connector. DETAILED DESCRIPTION

[0073] The terms "first", "second", etc. in the specification and claims of the present application and the above-mentioned description of the drawings are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequential order. It should be understood that the terms used in this way can be interchangeable under appropriate circumstances, which is merely a way of distinguishing the objects of the same attributes when describing them in the embodiments of the present application. In addition, the terms "including" and "having" and any of their variations are intended to cover non-exclusive inclusions, so that the process, method, system, product or equipment comprising a series of units need not be limited to those units, but may include other units that are not clearly listed or inherent to these processes, methods, products or equipment.

[0074] Example 1: Please refer to Figure 1-Figure 9 In an embodiment of the present invention, a highly efficient sealing and repairing integrated gas treatment device is provided, which includes a drainage pipe 1, and the drainage pipe 1 extends into the drainage hole; it is characterized in that it also includes:

[0075] A sealing mechanism, wherein the sealing mechanism is sleeved on the outer end of the extraction pipe, and the sealing mechanism uses a waterproof sealing slurry to seal the outer end of the extraction hole, and the extraction pipe 1 can pass through the sealing mechanism;

[0076] A connecting pipe 5, wherein the connecting pipe 5 is connected to the outer end of the extraction pipe 1;

[0077] A pumping unit 6, wherein the pumping unit 6 is connected to the end of the connecting pipe 5;

[0078] A pumped gas pretreatment tank 7, which can remove water vapor and dust particles in the pumped gas and temporarily store the pretreated pumped gas;

[0079] A concentration mechanism, wherein the input end of the concentration mechanism is connected to the extraction gas pretreatment tank 7 by a delivery pipe 8, and a delivery pump unit 9 is provided on the delivery pipe 8. The concentration mechanism can remove oxygen and nitrogen from the pretreated extraction gas to increase the gas concentration in the extraction gas;

[0080] The extraction hole repair mechanism can repair the end of the extraction hole by opening a stepped groove hole, so that the sealing mechanism can seal the extraction tube 1 to the outer end of the extraction hole. The stepped groove hole can ensure the sealing and repair capabilities.

[0081] In this embodiment, the stepped slot hole includes an inner large hole 18, a connecting hole 39 and an outer large hole 40. The diameter of the inner large hole 18 is larger than the diameter of the extraction hole, and the inner end of the inner large hole 18 is coaxially connected with the inner side of the extraction hole. The outer large hole 40 is opened at the outermost end of the extraction hole, and the diameter of the outer large hole 40 is larger than the diameter of the connecting hole. The diameter of the inner large hole 18 is larger than the diameter of the connecting hole. The connecting hole 39 is coaxially connected between the inner large hole 18 and the outer large hole 40, and the sealing mechanism is arranged in the inner large hole, the connecting hole and the outer large hole.

[0082] Wherein, the sealing mechanism includes an inner elastic expansion ring 2, an outer fixed flange 4 and a connecting spiral 3, the inner elastic expansion ring 2 is an elastically deformable structure, and the inner elastic expansion ring 2 can be extended into the inner large hole 18, the outer fixed flange 4 can be sleeved in the outer large hole 40, the connecting spiral 3 is coaxially connected between the inner elastic expansion ring 2 and the outer fixed flange 4, the inner elastic expansion ring 2, the outer fixed flange 4 and the connecting spiral 3 are all provided with a central through hole 17, the extraction tube 1 is sleeved in the central through hole 17, The connecting spiral 3 is provided with a spiral groove 16 extending along its axial direction, and the spiral groove 16 is connected with the central through hole 17. The inner elastic expansion ring 2 can be expanded by filling it with expansion slurry or mortar. Sealing slurry is injected under high pressure between the inner wall of the inner large hole 18 and the outer wall of the inner elastic expansion ring 2, and between the connecting spiral 3 and the inner wall of the connecting hole 39. The sealing slurry can be filled in the spiral groove, and the sealing slurry is injected after the extraction tube 1 is inserted into the sleeve and installed in the sealing mechanism.

[0083] Embodiment 2: The difference from Embodiment 1 is that, in this embodiment, the extraction hole repair mechanism includes:

[0084] A movable bracket 21, wherein the movable bracket 21 is a frame structure, and a movable wheel is provided at the bottom of the movable bracket 21;

[0085] a first driving mechanism, the first driving mechanism being mounted at a rear end of the movable support;

[0086] A universal joint 20, wherein the output end of the first driving mechanism is connected to the universal joint 20 via a driving shaft;

[0087] A spline shaft 27, to which the end of the universal joint 20 is fixedly connected;

[0088] A spline cylinder 26, one end of which is telescopically connected to the spline shaft 27;

[0089] A rotating main shaft 41, wherein the rotating main shaft 41 is fixedly connected to the other end of the spline cylinder 26;

[0090] An auxiliary support frame 25, wherein the auxiliary support frame 25 is installed on the movable support 21 by using an auxiliary connecting frame 19, and the auxiliary connecting frame 19 is vertically extended and located at the front end of the movable support 21, and the auxiliary support frame 25 is located below the rotating spindle 41;

[0091] a second driving mechanism, the second driving mechanism being arranged on the movable bracket and located above the rotating main shaft, and the second driving mechanism being capable of cooperating with the first driving mechanism to simultaneously drive the rotating main shaft to rotate;

[0092] An auxiliary support mechanism, the auxiliary support mechanism is arranged on the auxiliary support frame 25 and can provide auxiliary support for the rotating main shaft;

[0093] Connecting chuck 30, the end of the rotating spindle 41 is fixedly provided with the rotating chuck 30;

[0094] A step slot hole opening tool assembly 23 is provided, and a tool handle 24 of the step slot hole opening tool assembly 23 is detachably clamped and fixed on the rotating chuck 30. The step slot hole opening tool assembly 23 can open a step hole with a large inner hole and a small outer hole, and the inner diameter of the step hole that can be opened by the step slot hole opening tool assembly can be set to be steplessly adjusted.

[0095] The first driving mechanism comprises:

[0096] A first driving motor 28, wherein the first driving motor 28 is fixedly disposed at the rear end of the movable bracket 21, and an output shaft of the first driving motor 28 is arranged upward;

[0097] A gear transmission box, wherein the gear transmission box is fixed on the movable bracket, and the output shaft of the first drive motor is connected to the input end of the gear transmission box;

[0098] A driving rod 29 , wherein the driving rod 29 is fixedly disposed at the output end of the gear transmission box and the driving rod 29 is horizontally extended, and an end of the driving rod 29 is connected to the universal joint 20 .

[0099] The auxiliary support mechanism comprises:

[0100] An arc-shaped support frame 34, the top of the auxiliary support frame is provided with an arc-shaped support frame 34, and the top of the arc-shaped support frame 34 is provided with an arc-shaped support avoidance groove;

[0101] Auxiliary support rollers, the two auxiliary support rollers are at the same horizontal height and are symmetrically arranged on the left and right. The external fixed sleeve of the rotating main shaft is provided with two spaced support wheels 35, and each of the support wheels 35 cooperates with the auxiliary support roller for rolling support.

[0102] The second driving mechanism comprises:

[0103] A second drive motor, the second drive motor is fixed to the top side of the movable bracket by a motor base 37;

[0104] A driving pinion gear, wherein the driving pinion gear is fixed to the output end of the second driving motor, and the central axis of the driving pinion gear is arranged horizontally;

[0105] A driving gear 38, wherein the driving gear 38 is fixedly sleeved on the rotating main shaft and is located between the two auxiliary support rollers 35, the two auxiliary support rollers are arranged in parallel and spaced apart, and the driving pinion is meshed with the driving gear for transmission;

[0106] A supporting gear 36 is symmetrically and rotatably provided on the arc-shaped supporting frame, and the supporting gear 36 is meshed with the driving large gear 38 for transmission.

[0107] Embodiment 3: The difference from Embodiment 1 and Embodiment 2 is that, in this embodiment, the step slot hole opening tool assembly comprises:

[0108] A connecting ring 31, wherein the connecting ring 31 is fixedly connected to the knife handle;

[0109] A diameter adjustment mechanism 32, wherein the diameter adjustment mechanism 32 is fixed to an end of the connecting ring 31 away from the knife handle;

[0110] A slotting tool 33, wherein there are multiple slotting tools 33, and multiple slotting tools 33 are arranged in a circumferentially spaced array at one end of the diameter adjustment mechanism 32 away from the connecting ring, each slotting tool 33 includes a knife body and a cutting shoulder at the end of the knife body, the diameter surrounded by each knife body is smaller than the diameter surrounded by each cutting shoulder, and the diameter adjustment mechanism can steplessly adjust the diameter surrounded by each knife body.

[0111] The diameter adjustment mechanism 32 comprises:

[0112] An inner ring frame 48, wherein the inner ring frame 48 is fixedly connected to the connecting ring, wherein the inner ring frames are arranged in two intervals along the axial direction thereof, and the two inner ring frames are connected and fixed in the axial direction by inner axial rods, and the inner axial connecting rods are arranged in a circumferential array;

[0113] An outer ring frame 43, wherein the outer ring frame 43 is coaxially sleeved on the outside of the inner ring frame 48, and there is a certain spacing distance between the inner ring frame 48 and the outer ring frame 43, and the outer ring frames are arranged in two axial directions at intervals, and the two outer ring frames are connected and fixed in the axial direction by an outer axial rod 47, and the outer axial connecting rods are arranged in a circumferential array;

[0114] A radial connecting member 49, wherein the radial connecting member 49 is connected between the inner ring frame 48 and the outer ring frame 43, and the radial connecting member 49 is a plurality of radial connecting members 49 arranged in a circumferential array;

[0115] A pinion gear 46, wherein there are a plurality of pinions, and each pinion gear is rotatably supported on two adjacent outer axial rods 47;

[0116] A universal joint 45, wherein the gear shafts of two adjacent pinion gears are connected together by transmission using the universal joint 45;

[0117] The rack 44 is provided with radial grooves between two adjacent outer axial rods and between two adjacent inner axial rods, the rack is limitedly slidably fitted in the radial grooves, and the rack is meshedly connected with the pinion, the end of the blade body of the slotting tool 33 is connected to the radial inner end of the rack, and the extension direction of the blade body is perpendicular to the extension direction of the rack;

[0118] A diameter-controlled telescopic drive is fixed between two racks in the same radial direction or between one or more racks and the outer ring frame 43. The diameter-controlled telescopic drive simultaneously drives the synchronous movement of each rack, thereby realizing the diameter adjustment of the grooving tool 33.

[0119] Embodiment 4: The difference from Embodiments 1-3 is that, in this embodiment, the concentration mechanism comprises:

[0120] A drying and fine filtering pressure stabilizing tank 10, the air inlet end of which is connected to the output end of the delivery pipe 8, and the drying and fine filtering pressure stabilizing tank 10 can further dry and fine filter the extracted gas inside it, and can ensure that the extracted gas after fine filtration is transported outward in a stable pressure manner;

[0121] A carbon dioxide membrane separation tank 15, wherein the input end of the carbon dioxide membrane separation tank 15 is connected to the output end of the drying and fine filtration pressure stabilizing tank 10;

[0122] An oxygen primary separation tank 14, the input end of the oxygen primary separation tank 14 is connected to the output end of the carbon dioxide membrane separation tank 15;

[0123] An oxygen secondary separation tank 13, wherein the input end of the oxygen secondary separation tank 13 is connected to the output end of the oxygen primary separation tank 14;

[0124] A nitrogen primary separation tank 12, wherein the input end of the nitrogen primary separation tank 12 is connected to the output end of the oxygen secondary separation tank 13;

[0125] A nitrogen secondary separation tank 11, wherein the input end of the nitrogen secondary separation tank 11 is connected to the output end of the nitrogen primary separation tank 12;

[0126] The drying and fine filtration pressure stabilizing tank 10, the carbon dioxide membrane separation tank 15, the oxygen primary separation tank 14, the oxygen secondary separation tank 13, the nitrogen primary separation tank 12 and the nitrogen secondary separation tank 11 are all installed in the filter frame.

[0127] When the device of the present invention is used for gas control and repair extraction, firstly, a drilling device is used to drill a hole or when a damaged hole at the end of the drilled hole needs to be repaired, the extraction hole repair mechanism of the present invention is first used to repair the stepped slot hole. When repairing the stepped slot hole, the stepped slot hole opening tool assembly 23 is extended into a suitable position inside the end of the borehole, and a diameter-controlled telescopic driver is used. According to the inner diameter size of the end of the borehole, the diameter-controlled telescopic driver is used to simultaneously drive the synchronous movement of each of the racks, thereby realizing the diameter adjustment of the slotting tool 33. After the diameter is adjusted, the first drive mechanism and the second drive mechanism are started at the same time to realize the driving rotation of the rotating spindle, the chuck and the stepped slot hole opening tool assembly 23, so as to realize the slotting treatment and repair of the sealing area at the end of the extraction hole. The diameter is adjusted by the diameter-controlled telescopic driver while slotting until the required inner diameter is opened. The required inner diameter can be determined according to the required diameter of the extraction pipe, the condition of the sealing mechanism, the soft rock condition or the borehole. The corresponding diameter is set according to the aperture size, so as to ensure the appropriate diameter for repair and sealing extraction, and ensure the subsequent extraction capacity. After that, the extraction hole repair mechanism is removed, the sealing mechanism is extended into the opened stepped slot hole, the extraction pipe is inserted into the sealing mechanism, and after the extraction pipe is extended into the appropriate position, the expansion slurry or mortar is filled into the inner elastic expansion ring 2 to expand it. At the same time, the sealing slurry is injected into the inner wall of the inner large hole 18 and the outer wall of the inner elastic expansion ring 2, and between the connecting spiral member 3 and the inner wall of the connecting hole 39 under high pressure by using the high-pressure grouting sealing equipment, and the sealing slurry is filled in the spiral groove to achieve the sealing effect. Then the extraction equipment is turned on to realize the extraction of gas. During the extraction, the extracted gas passes through the extraction gas pretreatment tank 7 to remove the water vapor and dust particles in the extracted gas, and the pretreated extracted gas is temporarily stored, and then enters the concentration mechanism for concentration treatment to ensure the efficient utilization of the gas in the later stage.

[0128] The present invention is provided with a sealing mechanism, which can effectively improve the sealing performance between the extraction pipe and the extraction hole, and ensure the extraction efficiency and reliability. The sealing structure can adapt to the efficient sealing in the repair of soft rock and damaged extraction holes, and improve the sealing ability and extraction capacity of the extraction pipe. The present invention is provided with an extraction hole repair mechanism, which can repair the end of the extraction hole by opening a stepped groove hole, so that the sealing mechanism can seal the extraction pipe to the outer end of the extraction hole. By cooperating with the sealing mechanism, it can achieve efficient sealing in the repair of soft rock and damaged extraction holes, and ensure the efficiency and reliability of subsequent gas extraction. The concentration mechanism of the present invention can separate water vapor, carbon dioxide, oxygen and nitrogen, effectively increase the methane concentration in the gas, and improve the subsequent application value of the gas, thereby obtaining an efficient, clean and safe energy source, and maximizing the economic benefits of coal mining.

[0129] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A highly efficient gas treatment device integrating sealing, repairing, concentration and flow, comprising an extraction pipe (1), wherein the extraction pipe (1) extends into an extraction hole; characterized in that: It also includes: A sealing mechanism, wherein the sealing mechanism is sleeved on the outer end of the extraction pipe, and the sealing mechanism uses a waterproof sealing slurry to seal the outer end of the extraction hole, and the extraction pipe (1) can be passed through the sealing mechanism; A connecting pipe (5), the connecting pipe (5) being connected to the outer end of the extraction pipe (1); A pumping unit (6), wherein the pumping unit (6) is connected to the end of the connecting pipe (5); A pumped gas pretreatment tank (7), wherein the pumped gas pretreatment tank (7) is capable of removing water vapor and dust particles in the pumped gas and temporarily storing the pretreated pumped gas; A concentration mechanism, wherein the input end of the concentration mechanism is connected to the extraction gas pretreatment tank (7) by a delivery pipe (8), and a delivery pump unit (9) is provided on the delivery pipe (8), and the concentration mechanism can remove oxygen and nitrogen from the pretreated extraction gas so as to increase the gas concentration in the extraction gas; A drainage hole repair mechanism, wherein the drainage hole repair mechanism can repair the end of the drainage hole by opening a stepped groove, so that the sealing mechanism can seal the drainage pipe (1) to the outer end of the drainage hole.

2. According to claim 1, a highly efficient sealing and repairing, concentration and flow-enhancing integrated gas treatment device is characterized in that: The stepped slot hole comprises an inner large hole (18), a connecting hole (39) and an outer large hole (40); the diameter of the inner large hole (18) is larger than the diameter of the extraction hole, and the inner end of the inner large hole (18) is coaxially connected to the inner side of the extraction hole; the outer large hole (40) is opened at the outermost end of the extraction hole, and the diameter of the outer large hole (40) is larger than the diameter of the connecting hole; the diameter of the inner large hole (18) is larger than the diameter of the connecting hole; the connecting hole (39) is coaxially connected between the inner large hole (18) and the outer large hole (40); and the sealing mechanism is arranged in the inner large hole, the connecting hole and the outer large hole.

3. The highly efficient sealing and repairing, concentration and flow-enhancing integrated gas treatment device according to claim 1 is characterized in that: The sealing mechanism comprises an inner elastic expansion ring (2), an outer fixed flange (4) and a connecting spiral (3); the inner elastic expansion ring (2) is an elastically deformable structure, and the inner elastic expansion ring (2) can be inserted into the inner large hole (18); the outer fixed flange (4) can be sleeved in the outer large hole (40); the connecting spiral (3) is coaxially connected between the inner elastic expansion ring (2) and the outer fixed flange (4); the inner elastic expansion ring (2), the outer fixed flange (4) and the connecting spiral (3) are all provided with a central through hole (17); the extraction pipe (1) is sleeved with the central through hole (17), the connecting spiral member (3) is provided with a spiral groove (16) extending along its axial direction, the spiral groove (16) is connected to the central through hole (17), the inner elastic expansion ring (2) can be expanded by filling with expansion slurry or mortar, and sealing slurry is injected under high pressure between the inner wall of the inner large hole (18) and the outer wall of the inner elastic expansion ring (2), and between the connecting spiral member (3) and the inner wall of the connecting hole (39). The sealing slurry can be filled in the spiral groove, and the sealing slurry is injected after the extraction pipe (1) is inserted into the sleeve and installed in the sealing mechanism.

4. The highly efficient sealing and repairing, concentration and flow-enhancing integrated gas treatment device according to claim 1 is characterized in that: The extraction hole repair mechanism comprises: A movable bracket (21), wherein the movable bracket (21) is a square frame structure, and a movable wheel is arranged at the bottom of the movable bracket (21); a first driving mechanism, the first driving mechanism being mounted at a rear end of the movable support; A universal joint (20), wherein the output end of the first driving mechanism is connected to the universal joint (20) via a driving shaft; A spline shaft (27), to which the end of the universal joint (20) is fixedly connected; A spline cylinder (26), one end of which is telescopically sleeve-connected to the spline shaft (27); A rotating main shaft (41), wherein the rotating main shaft (41) is fixedly connected to the other end of the spline cylinder (26); an auxiliary support frame (25), wherein the auxiliary support frame (25) is mounted on the movable support (21) by using an auxiliary connecting frame (19), and the auxiliary connecting frame (19) is vertically extended and located at the front end of the movable support (21), and the auxiliary support frame (25) is located below the rotating main shaft (41); a second driving mechanism, the second driving mechanism being arranged on the movable bracket and located above the rotating main shaft, and the second driving mechanism being capable of cooperating with the first driving mechanism to simultaneously drive the rotating main shaft to rotate; an auxiliary support mechanism (22), the auxiliary support mechanism being arranged on the auxiliary support frame (25) and being capable of providing auxiliary support to the rotating main shaft; A connecting chuck (30), the end of the rotating spindle (41) being fixedly provided with the rotating chuck (30); A step slot hole opening tool assembly (23) is provided, wherein a tool handle (24) of the step slot hole opening tool assembly (23) is detachably clamped and fixedly arranged on the rotating chuck (30), the step slot hole opening tool assembly (23) can open a step hole with a large inner hole and a small outer hole, and the inner diameter of the step hole that can be opened by the step slot hole opening tool assembly can be steplessly adjusted.

5. The highly efficient sealing and repairing, concentration and flow-enhancing integrated gas treatment device according to claim 1 is characterized in that: The first driving mechanism comprises: a first drive motor (28), the first drive motor (28) being fixedly arranged at the rear end of the movable bracket (21), and the output shaft of the first drive motor (28) being arranged upward; A gear transmission box, wherein the gear transmission box is fixed on the movable bracket, and the output shaft of the first drive motor is connected to the input end of the gear transmission box; A driving rod (29), wherein the driving rod (29) is fixedly arranged at the output end of the gear transmission box, and the driving rod (29) is horizontally extended, and the end of the driving rod (29) is connected to the universal joint (20).

6. The highly efficient sealing and repairing, concentration and flow-enhancing integrated gas treatment device according to claim 1 is characterized in that: The auxiliary support mechanism comprises: An arc-shaped support frame (34), wherein the top of the auxiliary support frame is provided with an arc-shaped support frame (34), and the top of the arc-shaped support frame (34) is provided with an arc-shaped support avoidance groove; Auxiliary support rollers, the auxiliary support rollers are two at the same level and are arranged symmetrically on the left and right, the external fixed sleeve of the rotating main shaft is provided with two spaced support wheels (35), and each of the support wheels (35) is rollingly supported by the auxiliary support rollers.

7. The highly efficient sealing and repairing, concentration and flow-enhancing integrated gas treatment device according to claim 1 is characterized in that: The second driving mechanism comprises: A second drive motor, the second drive motor being fixed to the top side of the movable bracket by a motor seat (37); A driving pinion gear, wherein the driving pinion gear is fixed to the output end of the second driving motor, and the central axis of the driving pinion gear is arranged horizontally; A driving gear (38), the driving gear (38) is fixedly sleeved on the rotating main shaft and is located between the two auxiliary support rollers (35), the two auxiliary support rollers are arranged in parallel and spaced apart, and the driving pinion is meshed with the driving gear for transmission; A supporting gear (36) is symmetrically and rotatably arranged on the arc-shaped supporting frame, and the supporting gear (36) is meshed with the driving large gear (38) for transmission.

8. The highly efficient sealing and repairing, concentration and flow-enhancing integrated gas treatment device according to claim 1 is characterized in that: The step slot opening tool assembly comprises: A connecting ring (31), wherein the connecting ring (31) is fixedly connected to the knife handle; A diameter adjustment mechanism (32), wherein the diameter adjustment mechanism (32) is fixed to an end of the connecting ring (31) away from the knife handle; A slotting tool (33), wherein there are a plurality of slotting tools (33), and the plurality of slotting tools (33) are arranged in a circumferentially spaced array at one end of the diameter adjustment mechanism (32) away from the connecting ring, each slotting tool (33) comprises a knife body and a cutting shoulder at the end of the knife body, the diameter surrounded by each knife body is smaller than the diameter surrounded by each cutting shoulder, and the diameter adjustment mechanism can steplessly adjust the diameter surrounded by each knife body.

9. The highly efficient sealing and repairing, concentration and flow-enhancing integrated gas treatment device according to claim 1 is characterized in that: The diameter adjustment mechanism (32) comprises: An inner ring frame (48), the inner ring frame (48) being fixedly connected to the connecting ring, the inner ring frame being two arranged at intervals along the axial direction thereof, and the two inner ring frames being connected and fixed in the axial direction by inner axial rods, and the inner axial connecting rods being a plurality arranged in a circumferential array; An outer ring frame (43), wherein the outer ring frame (43) is coaxially sleeved on the outside of the inner ring frame (48), and there is a certain spacing distance between the inner ring frame (48) and the outer ring frame (43), and the outer ring frame is composed of two outer ring frames arranged in an axial direction thereof, and the two outer ring frames are connected and fixed in the axial direction by an outer axial rod (47), and the outer axial connecting rod is a plurality of outer axial connecting rods arranged in a circumferential array; A radial connecting member (49), wherein the radial connecting member (49) is connected between the inner ring frame (48) and the outer ring frame (43), and the radial connecting member (49) is a plurality of radial connecting members (49) arranged in a circumferential array; A pinion gear (46), wherein the pinion gear is multiple and each pinion gear is rotatably supported on two adjacent outer axial rods (47); A universal joint (45), wherein the gear shafts of two adjacent pinion gears are connected together by transmission using the universal joint (45); A rack (44), radial grooves are provided between two adjacent outer axial rods and between two adjacent inner axial rods, the rack is limitedly slidably fitted in the radial grooves, and the rack is meshingly connected with the pinion, the end of the blade body of the slotting tool (33) is connected to the radial inner end of the rack, and the extension direction of the blade body is perpendicular to the extension direction of the rack; A diameter-controlled telescopic drive is fixed between two racks in the same radial direction or between one or more racks and the outer ring frame (43). The diameter-controlled telescopic drive simultaneously drives the synchronous movement of each rack, thereby realizing the diameter adjustment of the slotting tool (33).

10. The highly efficient sealing and repairing, concentration and flow-enhancing integrated gas treatment device according to claim 1 is characterized in that: The concentration mechanism comprises: A drying and fine filtering pressure stabilizing tank (10), wherein the air inlet end of the drying and fine filtering pressure stabilizing tank (10) is connected to the output end of the delivery pipe (8), and the drying and fine filtering pressure stabilizing tank (10) can further dry and fine filter the extracted gas inside the tank, and can ensure that the extracted gas after fine filtration is transported outward in a stable pressure manner; A carbon dioxide membrane separation tank (15), wherein the input end of the carbon dioxide membrane separation tank (15) is connected to the output end of the drying and fine filtration pressure stabilizing tank (10); an oxygen primary separation tank (14), wherein the input end of the oxygen primary separation tank (14) is connected to the output end of the carbon dioxide membrane separation tank (15); An oxygen secondary separation tank (13), wherein the input end of the oxygen secondary separation tank (13) is connected to the output end of the oxygen primary separation tank (14); A nitrogen primary separation tank (12), wherein the input end of the nitrogen primary separation tank (12) is connected to the output end of the oxygen secondary separation tank (13); A nitrogen secondary separation tank (11), wherein the input end of the nitrogen secondary separation tank (11) is connected to the output end of the nitrogen primary separation tank (12); The drying and fine filtration pressure stabilizing tank (10), the carbon dioxide membrane separation tank (15), the oxygen primary separation tank (14), the oxygen secondary separation tank (13), the nitrogen primary separation tank (12) and the nitrogen secondary separation tank (11) are all installed in the filter frame.

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