CN210977354U - Gasification coal mining bundling continuous pipe roller device - Google Patents

Gasification coal mining bundling continuous pipe roller device Download PDF

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Publication number
CN210977354U
CN210977354U CN201921329315.5U CN201921329315U CN210977354U CN 210977354 U CN210977354 U CN 210977354U CN 201921329315 U CN201921329315 U CN 201921329315U CN 210977354 U CN210977354 U CN 210977354U
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China
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manifold
joint
coal mining
gas
stop valve
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CN201921329315.5U
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Chinese (zh)
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郝军
张富强
杨高
宋治国
马青
段文益
胡志强
颜家福
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China National Petroleum Corp
CNPC Engineering Technology R&D Co Ltd
CNPC Jianghan Machinery Research Institute Co Ltd
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China National Petroleum Corp
CNPC Engineering Technology R&D Co Ltd
CNPC Jianghan Machinery Research Institute Co Ltd
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Abstract

The utility model discloses a gasification coal mining coiled tubing roller device tied in a bundle, including base sledge (1) and the drum body (2), the drum body (2) are located base sledge (1), the winding has coiled tubing tied in a bundle (6) on the drum body (2), coiled tubing tied in a bundle (6) contain from outside-in outer tube (61), inner tube (62) and thermocouple (63) of establishing in proper order, be equipped with inside manifold (21) in the drum body (2), inside manifold (21) are passed through manifold sleeve joint (7) with the tip of coiled tubing tied in a bundle (6) and are connected, inside manifold (21) contain and walk water manifold (211) and walk gas manifold (212). The gasification coal mining cluster coiled tube roller device solves the problem that water injection, gas injection and signal feedback cannot be simultaneously realized in the prior art.

Description

Gasification coal mining bundling continuous pipe roller device
Technical Field
The utility model relates to a coal field mineral deposit coal mining operation equipment field, specific is a gasification coal mining coiled tubing drum device tied in a bundle.
Background
The underground coal gasification is an energy collection mode that a gasification agent is introduced into an underground coal layer, coal is combusted in a controlled manner, combustible gas is generated through the thermal action and the chemical action of the coal, and then product gas is led out of the ground and is utilized. The method integrates three processes of well construction, coal mining and gasification into a whole, converts physical coal mining into chemical coal mining, namely converts high-molecular solid coal into combustible gas with a low-molecular structure, abandons all large and heavy coal mining equipment and ground gasification equipment, greatly reduces the well construction scale, and has the advantages of good safety, less pollution, small investment, low cost, high efficiency, quick response and the like, so the method is widely applied.
The underground coal gasification technology and the continuous pipe technology are combined to realize continuous and accurate control of the gasification reaction process. The continuous pipe operation has the unique advantages that oxygen and water required in the gasification coal mining process can be transmitted to the bottom of the well, meanwhile, the combustion temperature at the bottom of the well needs to be transmitted to a ground control chamber in real time, nitrogen is adopted to purge the pipeline, and the like. These require multiple continuous tubes to form multiple channels for transport. However, the conventional continuous pipe is usually formed by penetrating a cable in a single continuous pipe, so that the functions of water injection, gas injection and signal feedback cannot be realized simultaneously, and the function of emptying gas and water in the continuous pipe after operation stop cannot be met. In addition, because the coiled tubing roller is generally exposed outdoors, media such as water injected through the coiled tubing are easy to freeze in winter, which seriously affects the normal operation of the equipment.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem that current coiled tubing cylinder can't realize water injection, gas injection and signal feedback simultaneously, the utility model provides a gasification coal mining coiled tubing cylinder device tied in a bundle, this gasification coal mining coiled tubing cylinder device tied in a bundle has both solved the unable problem that realizes water injection, gas injection, signal feedback simultaneously that exists among the prior art, solve again that current operation in-process can't automatic drag and drop, the freezing problem of medium such as the water of the in-process injection of operation, still solved behind the coiled tubing stop operation with the intraductal gas of coiled tubing and the empty problem of log raft, make its safety, high-efficient gasification coal mining operation technological requirement of satisfying.
The utility model provides a technical scheme that its technical problem adopted is: the roller device comprises a base skid and a roller body, wherein the roller body is positioned in the base skid, a bundling continuous pipe is wound on the roller body and comprises an outer pipe, an inner pipe and a thermocouple which are sequentially sleeved from outside to inside, an inner manifold is arranged in the roller body, the inner manifold is connected with the end part of the bundling continuous pipe through a manifold sleeve joint, and the inner manifold comprises a water manifold and a gas manifold.
The head end that manifold sleeve pipe connects is equipped with the flange interface, is equipped with a plurality of screw thread interfaces in the lateral wall that manifold sleeve pipe connects, and the one end of continuous pipe tied in a bundle and manifold sleeve pipe joint's trailing end connection, the drum body contains the pivot, and the both ends of this pivot are equipped with electric liquid rotary joint and gas rotary joint.
The water manifold contains first water stop valve, first T type tee bend, water check valve and the third water stop valve that connects gradually, and first T type tee bend is connected with the second water stop valve, and the hickey passes through first hydraulic pressure rubber tube and is connected with first water stop valve.
The electro-hydraulic rotary joint comprises an electric signal transmission channel and a water channel, the third water stop valve is connected with the water channel of the electro-hydraulic rotary joint through a second hydraulic rubber hose, and the end part of the thermocouple is connected with the electric signal transmission channel of the electro-hydraulic rotary joint.
The air distribution manifold comprises a first elbow, a flame arrester, a first air stop valve, an air check valve, a second T-shaped tee joint, a second air stop valve, a third air stop valve, a second elbow and a first Y-shaped joint which are sequentially connected, wherein the first Y-shaped joint is sequentially connected with a second Y-shaped joint, a fourth air stop valve, a flange and a clamping sleeve sealing joint.
The flange interface of the manifold casing joint is connected with the first Y-shaped joint, the first elbow is connected with the gas rotary joint, and the thermocouple sequentially penetrates through the manifold casing joint, the first Y-shaped joint, the fourth gas stop valve, the flange and the cutting sleeve sealing joint.
The gasification coal mining cluster continuous pipe roller device further comprises an operation table, the operation table is located in the base skid, the roller body and the operation table are arranged in front of and behind the operation table, the operation table comprises a control unit, and an air inlet and an air outlet are formed in the lower portion of the operation table.
The base skid is provided with a heater, a temperature sensor, a gas leakage detection alarm device and a camera, and the heater, the temperature sensor, the gas leakage detection alarm device and the camera are all connected with the control unit.
The gasification coal mining cluster continuous pipe roller device further comprises a heat insulation structure, and the heat insulation structure comprises a detachable heat insulation body located on the periphery of the base skid.
The heat preservation structure also comprises a visual heat preservation skylight positioned above the base skid, and a heat preservation curtain is arranged in the visual heat preservation skylight.
The utility model has the advantages that: the gasification coal mining cluster continuous pipe roller adopts a cluster continuous pipe to realize multi-channel simultaneous water injection, gas injection and thermocouple signal real-time transmission, and realizes automatic pipe winding and pipe releasing of the roller according to the thermocouple signal, so that the roller meets the requirements of a gasification coal mining process in a rotating state; an inner manifold is arranged on the inner wall of the roller, and a plurality of check valves, stop valves, pressure relief ports, gas leakage detection devices and the like are arranged to ensure the operation safety; the detachable heat insulator, the visual skylight and the heater are mounted on the base sledge and used under the condition that the low-temperature environment is met, the heater is automatically started and stopped by a temperature sensor real-time monitoring signal, and the continuous pipe is prevented from being damaged due to icing of media such as liquid conveyed in the operation process.
Drawings
The accompanying drawings, which form a part of the present application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention.
FIG. 1 is a front perspective view of the continuous tube roller device for gasification coal mining cluster according to the present invention.
FIG. 2 is the rear intention of the gasification coal mining cluster continuous tube roller device of the utility model.
Fig. 3 is a schematic structural diagram of the manifold.
Fig. 4 is a schematic structural diagram of a water manifold.
FIG. 5 is a schematic illustration of an internal manifold, bundled coiled tubing, and manifold-to-casing joint connection.
1. A base sledge; 2. a roller body; 3. an operation table; 4. a heat preservation structure; 5. a heater; 6. bundling a continuous pipe; 7. a manifold casing joint; 8. a first Y-shaped joint; 9. a second bend pipe; 10. a third gas shutoff valve; 11. a second T-shaped tee; 12. a second gas shutoff valve; 13. an air check valve; 14. a first gas shutoff valve; 15. a flame arrestor; 16. a first bend pipe; 17. a fourth gas shutoff valve; 18. a second Y-shaped joint; 19. a ferrule seal fitting; 20. a pipe clamp; 21. an internal manifold; 22. an electro-hydraulic rotary joint; 23. a flange; 24. a gas rotary joint; 25. a camera; 26. a temperature sensor; 27. a gas leakage detection alarm device;
41. a visual heat-insulating skylight; 42. a thermal insulation curtain; 43. a pressure lever;
61. an outer tube; 62. an inner tube; 63. a thermocouple;
71. a flange interface; 72. a threaded interface;
211. a water manifold; 212. a gas manifold;
2111. a first water shutoff valve; 2112. a first T-shaped tee; 2113. a second water stop valve; 2114. a water check valve; 2115. a third water stop valve; 2116. a first hydraulic hose.
Detailed Description
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
A roller device for gasification coal mining cluster continuous pipes comprises a base skid 1 and a roller body 2, wherein the roller body 2 is located in the base skid 1, a cluster continuous pipe 6 is wound on the roller body 2, the cluster continuous pipe 6 comprises an outer pipe 61, an inner pipe 62 and a thermocouple 63 which are sequentially sleeved from outside to inside, an inner manifold 21 is arranged in the roller body 2, the inner manifold 21 is connected with the end part of the cluster continuous pipe 6 through a manifold sleeve joint 7, and the inner manifold 21 comprises a water manifold 211 and an air manifold 212, as shown in figures 1 to 4.
In this embodiment, the base skid 1 is a metal frame structure, the manifold casing joint 7 is a tubular structure, the head end of the manifold casing joint 7 is provided with a flange interface 71, the flange interface 71 is an RJ flange, the sidewall of the manifold casing joint 7 is provided with a plurality of screw interfaces 72, for example, the screw interfaces 72 are NPT-type screw fastening interfaces, one end of the bundling continuous tube 6 is inserted (plug-in welding) with the tail end of the manifold casing joint 7, as shown in fig. 5, one end of the inner tube 62 and the manifold casing joint 7 are welded together in a welding manner, and the thermocouple 63 is freely disposed in the inner tube 62. The roller body 2 comprises a rotating shaft, one end of the rotating shaft is provided with an electro-hydraulic rotating joint 22, one end of the rotating shaft is provided with a gas rotating joint 24, and the axis of the electro-hydraulic rotating joint 22, the axis of the gas rotating joint 24 and the axis of the rotating shaft of the roller body 2 are overlapped.
In this embodiment, the water manifold 211 includes a first water shutoff valve 2111, a first T-junction 2112, a water check valve 2114, and a third water shutoff valve 2115, which are connected in sequence, the first T-junction 2112 is connected to a second water shutoff valve 2113, and the nipple 72 is connected to the first water shutoff valve 2111 through a first hydraulic hose 2116, as shown in fig. 4 and 5. The electro-hydraulic rotary joint 22 comprises an electric signal transmission channel and a water channel, a third water stop valve 2115 is connected with the water channel of the electro-hydraulic rotary joint 22 through a second hydraulic rubber hose, and the end part of the thermocouple 63 is connected with the electric signal transmission channel of the electro-hydraulic rotary joint 22.
In this embodiment, the gas manifold 212 includes a first elbow 16, a flame arrester 15, a first gas stop valve 14, a gas check valve 13, a second T-shaped tee 11, a second gas stop valve 12, a third gas stop valve 10, a second elbow 9, and a first Y-shaped joint 8, which are connected in sequence, and the first Y-shaped joint 8 is connected in sequence with a second Y-shaped joint 18, a fourth gas stop valve 17, a flange 23, and a ferrule sealing joint 19.
In this embodiment, the flange port 71 of the manifold casing joint 7 is connected to the first Y-joint 8, the first elbow 16 is connected to the gas rotary joint 24, and the thermocouple 63 sequentially passes through the manifold casing joint 7, the first Y-joint 8, the fourth gas shutoff valve 17, the flange 23, and the ferrule seal joint 19. The water manifold 211 and the air manifold 212 are fixed in the roller body 2 through pipe clamps 20.
Specifically, the electro-hydraulic rotary joint 22 is provided with an electrical slip ring (i.e., an electrical signal transmission channel) inside, the electrical slip ring comprises a rotor portion arranged inside and a stator portion arranged on the periphery, the thermocouple 63 passes through the manifold sleeve joint 7, the first Y-joint 8, the fourth air stop valve 17, the flange 23 and the ferrule seal joint 19 in sequence and then is connected with the rotor portion of the electrical slip ring, and the stator portion on the periphery is connected to a control unit of the console 3 to be described below.
In this embodiment, the gasification coal mining cluster continuous pipe roller device further comprises an operation table 3, the operation table 3 is located in the base skid 1, the roller body 2 and the operation table 3 are arranged in front of and behind each other, the operation table 3 contains a control unit, and an air inlet and an air outlet are arranged below the operation table 3. The base skid 1 is provided with a heater 5, a temperature sensor 26, a gas leakage detection alarm device 27 and a camera 25, and the heater 5, the temperature sensor 26, the gas leakage detection alarm device 27 and the camera 25 are all connected with the control unit.
The temperature sensor 26 detects the temperature in the base skid 1 in real time, feeds back whether the heater 5 is started or not on the operation table 3 according to the temperature condition, the gas leakage detection alarm device 27 detects whether combustible gas leakage exists in the base skid 1 in real time, stops working when the combustible gas leakage exists, and the camera 25 observes the condition in the base skid 1 in real time. The temperature measured by thermocouple 63 will also be fed back on console 3. The base sledge 1 is also provided with a hydraulic motor, and the hydraulic motor is connected with the chain wheel on the roller body 2 through the chain wheel on the planetary reducer.
In this embodiment, the gasification coal mining bundling coiled tubing roller device further comprises a heat insulation structure 4, and the heat insulation structure 4 contains a detachable heat insulation body located around the base skid 1. The heat insulation structure 4 further comprises a visual heat insulation skylight 41 positioned above the base skid 1, and a heat insulation curtain 42 is arranged in the visual heat insulation skylight 41. The movable position of the cluster continuous pipe 6 is composed of a multi-section type heat preservation curtain 42 and a pressure lever 43, and the heat preservation curtain 42 is pressed tightly through the pressure lever 43.
The working process of the gasification coal mining cluster continuous tube roller device is described below.
When the bundling continuous pipe 6 is lowered to the bottom of the well, corresponding water and gas are respectively injected from the electro-hydraulic rotary joint 22 and the gas rotary joint 24, the water and the gas simultaneously enter between the outer pipe 61 and the inner pipe 62 through the manifold sleeve joint 7 and are lowered to the bottom of the well, so that combustion and gasification phenomena are realized underground, the bottom temperature of the well is monitored in real time through the thermocouple 63, and when the temperature is too high, the bundling continuous pipe 6 is rolled up through the motor controlled by the control room program of the operation platform 3 until the temperature is lowered to a proper temperature. When the temperature in the base sledge 1 is lower in the operation process, the heater 5 is automatically started in the operation table 3, so that liquid in the tube of the bundling continuous tube 6 is prevented from freezing.
After the operation is completed, in order to prevent liquid and gas in the pipe from remaining to cause harm to equipment and personnel, the liquid and gas in the pipe need to be emptied in time, the first gas stop valve 14 and the first water stop valve 2111 are respectively closed, the second water stop valve 2113 and the second gas stop valve 12 are opened, nitrogen with certain pressure is injected into the well, so that the water and the gas in the bundling continuous pipe 6 are respectively discharged from the second water stop valve 2113 and the second gas stop valve 12, and the safety of the equipment and the personnel is ensured.
The above description is only for the specific embodiments of the present invention, and the scope of the present invention can not be limited by the embodiments, so that the replacement of the equivalent components or the equivalent changes and modifications made according to the protection scope of the present invention should still belong to the scope covered by the present patent. In addition, the utility model provides an between technical feature and the technical feature, between technical feature and technical scheme, technical scheme and the technical scheme all can the independent assortment use.

Claims (10)

1. The roller device is characterized by comprising a base skid (1) and a roller body (2), wherein the roller body (2) is positioned in the base skid (1), a bundling continuous pipe (6) is wound on the roller body (2), the bundling continuous pipe (6) comprises an outer pipe (61), an inner pipe (62) and a thermocouple (63) which are sequentially sleeved from outside to inside, an inner manifold (21) is arranged in the roller body (2), the inner manifold (21) is connected with the end part of the bundling continuous pipe (6) through a manifold sleeve joint (7), and the inner manifold (21) comprises a water-feeding manifold (211) and a gas-feeding manifold (212).
2. The gasification coal mining cluster coiled pipe roller device according to claim 1, characterized in that a flange interface (71) is arranged at the head end of the manifold casing joint (7), a plurality of threaded interfaces (72) are arranged in the side wall of the manifold casing joint (7), one end of the cluster coiled pipe (6) is connected with the tail end of the manifold casing joint (7), the roller body (2) comprises a rotating shaft, and an electro-hydraulic rotary joint (22) and a gas rotary joint (24) are arranged at the two ends of the rotating shaft.
3. The gasification coal mining cluster coiled pipe roller device according to claim 2, characterized in that the water manifold (211) comprises a first water stop valve (2111), a first T-shaped tee (2112), a water check valve (2114) and a third water stop valve (2115) which are connected in sequence, the first T-shaped tee (2112) is connected with a second water stop valve (2113), and the threaded connector (72) is connected with the first water stop valve (2111) through a first hydraulic rubber pipe.
4. The gasification coal mining cluster coiled pipe roller device according to claim 3, characterized in that the electro-hydraulic rotary joint (22) comprises an electric signal transmission channel and a water passage, a third water stop valve (2115) is connected with the water passage of the electro-hydraulic rotary joint (22) through a second hydraulic rubber hose, and the end part of the thermocouple (63) is connected with the electric signal transmission channel of the electro-hydraulic rotary joint (22).
5. The gasification coal mining cluster coiled tubing roller device according to claim 2, characterized in that the gas manifold (212) comprises a first elbow (16), a flame arrester (15), a first gas stop valve (14), a gas check valve (13), a second T-shaped tee (11), a second gas stop valve (12), a third gas stop valve (10), a second elbow (9) and a first Y-shaped joint (8) which are connected in sequence, and the first Y-shaped joint (8) is connected with a second Y-shaped joint (18), a fourth gas stop valve (17), a flange (23) and a ferrule sealing joint (19) in sequence.
6. The gasification coal mining cluster coiled tubing roller device according to claim 5, characterized in that a flange interface (71) of the manifold casing joint (7) is connected with the first Y-shaped joint (8), the first elbow (16) is connected with the gas rotary joint (24), and the thermocouple (63) sequentially passes through the manifold casing joint (7), the first Y-shaped joint (8), the fourth gas stop valve (17), the flange (23) and the ferrule sealing joint (19).
7. The gasification coal mining cluster coiled tube roller device according to claim 1, characterized in that the gasification coal mining cluster coiled tube roller device further comprises an operation table (3), the operation table (3) is located in the base skid (1), the roller body (2) and the operation table (3) are arranged in front and at the back, the operation table (3) contains a control unit, and an air inlet and an air outlet are arranged below the operation table (3).
8. The gasification coal mining cluster coiled tubing drum device according to claim 7, characterized in that a heater (5), a temperature sensor (26), a gas leakage detection alarm device (27) and a camera (25) are arranged on the base skid (1), and the heater (5), the temperature sensor (26), the gas leakage detection alarm device (27) and the camera (25) are all connected with the control unit.
9. The gasification coal mining cluster coiled tubing roller device according to claim 1, characterized in that the gasification coal mining cluster coiled tubing roller device further comprises a thermal insulation structure (4), and the thermal insulation structure (4) comprises a detachable thermal insulation body located around the base skid (1).
10. The gasification coal mining cluster coiled pipe roller device according to claim 9, characterized in that the heat insulation structure (4) further comprises a visible heat insulation skylight (41) positioned above the base skid (1), and a heat insulation curtain (42) is arranged in the visible heat insulation skylight (41).
CN201921329315.5U 2019-08-16 2019-08-16 Gasification coal mining bundling continuous pipe roller device Active CN210977354U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201921329315.5U CN210977354U (en) 2019-08-16 2019-08-16 Gasification coal mining bundling continuous pipe roller device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201921329315.5U CN210977354U (en) 2019-08-16 2019-08-16 Gasification coal mining bundling continuous pipe roller device

Publications (1)

Publication Number Publication Date
CN210977354U true CN210977354U (en) 2020-07-10

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CN201921329315.5U Active CN210977354U (en) 2019-08-16 2019-08-16 Gasification coal mining bundling continuous pipe roller device

Country Status (1)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114215485A (en) * 2021-12-31 2022-03-22 北京派创石油技术服务有限公司 Coiled tubing roller device and hydraulic drive and brake assembly
CN114413067A (en) * 2022-01-11 2022-04-29 深圳海油工程水下技术有限公司 Deepwater steel pipe laying device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114215485A (en) * 2021-12-31 2022-03-22 北京派创石油技术服务有限公司 Coiled tubing roller device and hydraulic drive and brake assembly
CN114413067A (en) * 2022-01-11 2022-04-29 深圳海油工程水下技术有限公司 Deepwater steel pipe laying device

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