CN219473684U

CN219473684U - Shale gas well gas testing and producing machine

Info

Publication number: CN219473684U
Application number: CN202320365388.XU
Authority: CN
Inventors: 田涛; 杨甫; 刘登科
Original assignee: Shaanxi Coal Geology Group Co ltd
Current assignee: Shaanxi Coal Geology Group Co ltd
Priority date: 2023-03-02
Filing date: 2023-03-02
Publication date: 2023-08-04
Anticipated expiration: 2033-03-02

Abstract

The utility model discloses a shale gas well gas testing and producing machine which comprises a base and a combustion barrel, wherein a shale gas pipeline is arranged on the left side of the base, the right end of the shale gas pipeline is connected with a conducting pipe, a valve is arranged in the middle of the conducting pipe, a pressurizing pipe is arranged in the middle of the base, a gas storage tank is arranged at the right end of the pressurizing pipe, and a pressure gauge is arranged at the upper end of the gas storage tank. This shale gas well examination gas production machine, through piston type gas conveying structure, when can accurate control gas delivery volume, can also compress just the inside gas of gas holder, can control the concentration of the inside shale gas of gas holder according to the demand, whether be convenient for rationally judge this shale gas can burn, and set up heat recovery structure in the combustion barrel inside, provide power through the gas flow and make rivers can be at heat exchange tube internal circulation flow, prevent that combustion barrel temperature is too high and produce the potential safety hazard, and to heat recovery utilization environmental protection more.

Description

Shale gas well gas testing and producing machine

Technical Field

The utility model relates to the technical field of shale gas well gas testing, in particular to a shale gas well gas testing and producing machine.

Background

The shale gas is natural gas which is stored in a shale layer, the component of the shale gas is mainly methane, the shale gas is clean and efficient energy resource and chemical raw material, and the shale gas is mainly used for resident fuel gas, urban heat supply, power generation, automobile fuel, chemical production and the like, and has wide application range; the shale gas production process generally does not need drainage, the production period is long, the exploration and development success rate is high, and the shale gas production process has higher industrial economic value; before shale gas exploitation, the shale gas needs to be ignited to test whether the shale gas to be exploited can be combusted or not, and the shale gas well gas exploitation equipment is needed during testing, but the existing shale gas well gas exploitation equipment has some problems.

The existing shale gas well gas production device with the publication number of CN213066166U comprises a combustion cylinder, wherein a support frame is arranged at the bottom of the combustion cylinder, an isolation shell is fixed on the outer side of the combustion cylinder, the outer side of the isolation shell is fixedly connected with the top of the support frame, a placing groove is arranged on the support frame, and a cooling device capable of cooling the outer side of the combustion cylinder is fixed in the placing groove; but the device directly burns shale gas and tests, if the shale gas concentration of test reduces, can take place the phenomenon that can't burn equally, can lead to the result of test not accurate enough, and the cooling structure of device adopts the water pump as the power supply simultaneously, and the cost also can increase correspondingly.

So we propose a shale gas well gas production machine to solve the problems set forth above.

Disclosure of Invention

The utility model aims to provide a shale gas well gas testing and gas production machine, which aims to solve the problems that the existing shale gas well gas testing and gas production device provided by the background technology cannot compress shale gas, cannot burn when the concentration of the shale gas is low, and is easy to cause inaccurate testing results.

In order to achieve the above purpose, the present utility model provides the following technical solutions: a shale gas well gas production machine comprises a base and a combustion barrel:

the left side of the base is provided with a shale gas pipeline, the right end of the shale gas pipeline is connected with a conducting pipe, and the middle of the conducting pipe is provided with a valve;

the middle part of the base is provided with a pressurizing pipe, the right end of the pressurizing pipe is provided with an air storage tank, and the upper end of the air storage tank is provided with a pressure gauge;

the gas holder right-hand member is connected with the side pipe, and side pipe right-hand member is connected with the burning bucket, the inside combustion head that is provided with of burning bucket, and combustion head left end and side pipe conduction connection, the inside igniter that is provided with of burning bucket.

Preferably, two sides of the lower end of the pressurizing pipe are connected with one-way valves, the conducting directions of the two groups of one-way valves are opposite, the left-end one-way valve is connected with the conducting pipe, and the air storage tank is connected with the right-end one-way valve in a conducting way.

By adopting the technical scheme, the gas conduction direction of the piston in the process of moving in the pressurizing pipe can be controlled through the arrangement of the two groups of one-way valves.

Preferably, a piston is arranged in the pressurizing pipe, the upper end of the pressurizing pipe penetrates through a movable pipe, and the lower end of the movable pipe penetrates through the piston to be fixedly connected;

the motor is installed to the pressurization pipe upper end, and motor lower extreme key connection has the reciprocating screw, the reciprocating screw lower extreme runs through to inside the movable pipe, and movable pipe top and reciprocating screw threaded connection.

By adopting the technical scheme, the motor drives the reciprocating screw rod to rotate, and the reciprocating screw rod drives the movable pipe and the piston to reciprocate in the pressurizing pipe, so that shale gas is continuously conveyed into the gas storage tank, and the piston structure can accurately control the gas conveying amount and can also increase the pressure of internal gas.

Preferably, a water storage tank is arranged on the upper side of the right end of the base, the upper end of the water storage tank is fixedly connected with the combustion barrel, a fixed block is arranged on the upper end of the left side of the water storage tank, and a transmission shaft is connected with an inner bearing at the upper end of the fixed block;

the upper end of the transmission shaft penetrates into the square tube, an impeller is arranged in the square tube, and the upper end of the transmission shaft is fixedly connected with the impeller.

By adopting the technical scheme, through setting up with the inside impeller of side's pipe, when inside has gas circulation, can drive impeller and transmission shaft synchronous revolution.

Preferably, a movable groove is formed in the fixed block, the movable groove is of a U-shaped structure, a hose is arranged in the movable groove, and the lower end of the hose extends into the water storage tank;

the inside fly leaf that is provided with of fly leaf, and fly leaf upper end and transmission shaft fixed connection, the outside hub connection of fly leaf has three group extrusion gyro wheels, and the outside and hose contact of extrusion gyro wheel to the extrusion gyro wheel is less than the hose diameter with the circular arc department distance of fly leaf.

By adopting the technical scheme, the movable plate is powered by the rotation of the transmission shaft, and drives the multiple groups of extrusion rollers to synchronously rotate, so that the hose is continuously extruded, and then the cooling water in the water storage tank is conveyed through the hose.

Preferably, an interlayer is arranged in the combustion barrel, a heat exchange tube is arranged in the interlayer in a surrounding mode, the left side end of the heat exchange tube is connected with the hose in a conducting mode, and the right side end of the heat exchange tube penetrates through the lower end of the inner portion of the water storage tank.

By adopting the technical scheme, through the arrangement of the heat exchange tube, water in the water storage tank circularly flows in the interlayer, heat is absorbed, potential safety hazards caused by overhigh temperature of the combustion barrel are prevented, and meanwhile, the heat can be recycled, so that the water storage tank is more environment-friendly.

Compared with the prior art, the utility model has the beneficial effects that: the shale gas well gas testing and producing machine;

1. through piston type gas conveying structure, can accurate control gas delivery volume, can also compress the inside gas of just gas holder, can control the inside shale gas's of gas holder concentration according to the demand, whether be convenient for rationally judge this shale gas can burn, prevent to influence the test because of the lower unable burning of shale gas concentration, and set up heat recovery structure in the combustion barrel inside, provide power through the gas flow and make rivers can circulate in the heat exchange tube inside, prevent that combustion barrel temperature is too high and produce the potential safety hazard, and to heat recovery utilization more environmental protection;

2. the impeller and the transmission shaft are driven to rotate through air flow flowing in the square tube, the transmission shaft drives the movable plate and the extrusion rollers to rotate in the movable groove, the plurality of groups of extrusion rollers continuously extrude the hose, water in the water storage tank is conveyed to the heat exchange tube, circulation is formed, shale gas combustion heat in the combustion barrel can be recovered, the energy recovery structure adopts shale gas to flow for providing power, a water pump or other power sources are not required, and manufacturing and using costs are reduced.

Drawings

FIG. 1 is a schematic elevational view of the present utility model;

FIG. 2 is a schematic view of the pressurized tube and piston of the present utility model;

FIG. 3 is a schematic view of the drive shaft and impeller of the present utility model;

FIG. 4 is a schematic view of the structure of the movable trough and hose of the present utility model;

FIG. 5 is a schematic view of the structure of the heat exchange tube and the interlayer of the present utility model.

In the figure: 1. a base; 2. shale gas pipeline; 3. a conduit; 4. a valve; 5. a pressurizing tube; 6. a gas storage tank; 7. a pressure gauge; 8. square tubes; 9. a combustion barrel; 10. a combustion head; 11. an igniter; 12. a one-way valve; 13. a piston; 14. a movable tube; 15. a motor; 16. a reciprocating screw rod; 17. a water storage tank; 18. a fixed block; 19. a transmission shaft; 20. an impeller; 21. a hose; 22. a movable plate; 23. extruding rollers; 24. an interlayer; 25. a heat exchange tube; 26. a movable groove.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-5, the present utility model provides a technical solution: the shale gas well gas testing and producing machine comprises a base 1 and a combustion barrel 9, wherein a shale gas pipeline 2 is arranged on the left side of the base 1, the right end of the shale gas pipeline 2 is connected with a conducting pipe 3, and a valve 4 is arranged in the middle of the conducting pipe 3; the middle part of the base 1 is provided with a pressurizing pipe 5, the right end of the pressurizing pipe 5 is provided with an air storage tank 6, and the upper end of the air storage tank 6 is provided with a pressure gauge 7; the right end of the air storage tank 6 is connected with a square pipe 8, the right end of the square pipe 8 is connected with a combustion barrel 9, a combustion head 10 is arranged in the combustion barrel 9, the left end of the combustion head 10 is connected with the square pipe 8 in a conducting manner, and an igniter 11 is arranged in the combustion barrel 9; the shale gas pipeline 2 is conveyed to the inside of the pressurizing pipe 5 through the conducting pipe 3, the shale gas is conveyed to the inside of the combustion barrel 9 for combustion test through the square pipe 8 after being compressed through the pressurizing pipe 5, the shale gas is conveyed to the combustion head 10, and whether the shale gas can be combusted or not is tested through ignition of the igniter 11.

The two sides of the lower end of the pressurizing pipe 5 are connected with one-way valves 12, the conduction directions of the two groups of one-way valves 12 are opposite, the left-end one-way valve 12 is connected with the conduction pipe 3, and the air storage tank 6 is connected with the right-end one-way valve 12 in a conduction way; a piston 13 is arranged in the pressurizing pipe 5, a movable pipe 14 penetrates through the upper end of the pressurizing pipe 5, the lower end of the movable pipe 14 penetrates through the piston 13 to be fixedly connected, a motor 15 is arranged at the upper end of the pressurizing pipe 5, the lower end of the motor 15 is connected with a reciprocating screw rod 16 in a key manner, the lower end of the reciprocating screw rod 16 penetrates through the movable pipe 14, and the top end of the movable pipe 14 is in threaded connection with the reciprocating screw rod 16; the motor 15 rotates to drive the reciprocating screw rod 16 to rotate, the reciprocating screw rod 16 drives the movable pipe 14 and the piston 13 to reciprocate in the pressurizing pipe 5, shale gas is continuously conveyed into the gas storage tank 6, the gas conveying quantity can be accurately calculated through the rotation of the motor 15, meanwhile, the gas in the gas storage tank 6 can be pressurized, and the arrangement of the two groups of one-way valves 12 can ensure the circulation direction of the shale gas when the piston 13 moves.

The upper side of the right end of the base 1 is provided with a water storage tank 17, the upper end of the water storage tank 17 is fixedly connected with a combustion barrel 9, the upper end of the left side of the water storage tank 17 is provided with a fixed block 18, a transmission shaft 19 is connected with an inner bearing at the upper end of the fixed block 18, the upper end of the transmission shaft 19 penetrates into the square pipe 8, an impeller 20 is arranged in the square pipe 8, and the upper end of the transmission shaft 19 is fixedly connected with the impeller 20; the inside of the fixed block 18 is provided with a movable groove 26, the movable groove 26 is of a U-shaped structure, a hose 21 is arranged in the movable groove 26, the lower end of the hose 21 extends into the water storage tank 17, a movable plate 22 is arranged in the movable groove 26, the upper end of the movable plate 22 is fixedly connected with a transmission shaft 19, the outer shaft of the movable plate 22 is connected with three groups of extrusion rollers 23, the outer parts of the extrusion rollers 23 are in contact with the hose 21, and the distance between the extrusion rollers 23 and the circular arc of the movable groove 26 is smaller than the diameter of the hose 21; shale gas is conveyed into the combustion barrel 9 through the square pipe 8, when the gas flows in the square pipe 8, the impeller 20 and the transmission shaft 19 are driven to rotate, the movable plate 22 and the extrusion roller 23 are driven to rotate in the movable groove 26 when the transmission shaft 19 rotates, and meanwhile the extrusion roller 23 continuously extrudes the hose 21, so that liquid in the water storage tank 17 flows in the hose 21; an interlayer 24 is arranged in the combustion barrel 9, a heat exchange tube 25 is arranged in the interlayer 24 in a surrounding manner, the left side end of the heat exchange tube 25 is connected with the hose 21 in a conducting manner, and the right side end of the heat exchange tube 25 penetrates through the lower end in the water storage tank 17; the hose 21 can carry liquid to the heat exchange tube 25 and flow back to the water storage tank 17 again and circulate, can retrieve the heat that shale gas produced at the inside burning of burning bucket 9 to heat the inside liquid of water storage tank 17, thereby reduce the giving off waste of heat, can reduce the temperature of burning bucket 9 outer wall simultaneously, prevent that the staff from unexpected scalding, reduced the potential safety hazard.

Working principle: when the shale gas well gas sampling machine is used, gas in the shale gas pipeline 2 is conveyed into the pressurizing pipe 5 through the conducting pipe 3, the shale gas is compressed through the pressurizing pipe 5 and then conveyed into the combustion barrel 9 through the square pipe 8 for combustion test, the shale gas is conveyed to the combustion head 10, and whether the shale gas can be combusted or not is tested through ignition of the igniter 11; the motor 15 rotates to drive the reciprocating screw rod 16 to rotate, the reciprocating screw rod 16 drives the movable pipe 14 and the piston 13 to reciprocate in the pressurizing pipe 5, shale gas is continuously conveyed into the gas storage tank 6, the gas conveying quantity can be accurately calculated by controlling the rotation of the motor 15, meanwhile, the gas in the gas storage tank 6 can be pressurized, and the arrangement of the two groups of one-way valves 12 can ensure the circulation direction of the shale gas when the piston 13 moves; when the square tube 8 conveys shale gas into the combustion barrel 9, when the gas flows in the square tube 8, the impeller 20 and the transmission shaft 19 are driven to rotate, the movable plate 22 and the extrusion roller 23 are driven to rotate in the movable groove 26 when the transmission shaft 19 rotates, and meanwhile the extrusion roller 23 continuously extrudes the hose 21, so that liquid in the water storage tank 17 flows in the hose 21; the hose 21 can carry liquid to the heat exchange tube 25 and flow back to the water storage tank 17 again and circulate, can retrieve the heat that shale gas produced at the inside burning of burning bucket 9 to heat the inside liquid of water storage tank 17, thereby reduce the giving off waste of heat, can reduce the temperature of burning bucket 9 outer wall simultaneously, prevent that the staff from unexpected scalding, reduced the potential safety hazard.

To complete a series of work, and what is not described in detail in this specification is prior art that is well known to those skilled in the art.

Although the present utility model has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present utility model.

Claims

1. The utility model provides a shale gas well examination gas production machine, includes base (1) and burning bucket (9), its characterized in that:

the left side of the base (1) is provided with a shale gas pipeline (2), the right end of the shale gas pipeline (2) is connected with a conduction pipe (3), and a valve (4) is arranged in the middle of the conduction pipe (3);

the middle part of the base (1) is provided with a pressurizing pipe (5), the right end of the pressurizing pipe (5) is provided with an air storage tank (6), and the upper end of the air storage tank (6) is provided with a pressure gauge (7);

the gas holder (6) right-hand member is connected with square pipe (8), and square pipe (8) right-hand member is connected with burning bucket (9), inside combustion head (10) that are provided with of burning bucket (9), and combustion head (10) left end and square pipe (8) switch on and be connected, inside igniter (11) that are provided with of burning bucket (9).

2. The shale gas well gas production machine as claimed in claim 1, wherein: the two sides of the lower end of the pressurizing pipe (5) are connected with one-way valves (12), the conduction directions of the two groups of one-way valves (12) are opposite, the left-end one-way valve (12) is connected with the conduction pipe (3), and the air storage tank (6) is connected with the right-end one-way valve (12) in a conduction mode.

3. The shale gas well gas production machine as claimed in claim 1, wherein: a piston (13) is arranged in the pressurizing pipe (5), the upper end of the pressurizing pipe (5) penetrates through a movable pipe (14), and the lower end of the movable pipe (14) penetrates through the piston (13) to be fixedly connected;

the motor (15) is installed to pressurization pipe (5) upper end, and motor (15) lower extreme key is connected with reciprocating lead screw (16), reciprocating lead screw (16) lower extreme runs through inside to movable pipe (14), and movable pipe (14) top and reciprocating lead screw (16) threaded connection.

4. The shale gas well gas production machine as claimed in claim 1, wherein: a water storage tank (17) is arranged on the upper side of the right end of the base (1), the upper end of the water storage tank (17) is fixedly connected with the combustion barrel (9), a fixed block (18) is arranged on the upper end of the left side of the water storage tank (17), and a transmission shaft (19) is connected with an inner bearing at the upper end of the fixed block (18);

the upper end of the transmission shaft (19) penetrates into the square tube (8), an impeller (20) is arranged in the square tube (8), and the upper end of the transmission shaft (19) is fixedly connected with the impeller (20).

5. The shale gas well gas production testing machine as claimed in claim 4, wherein: the movable groove (26) is formed in the fixed block (18), the movable groove (26) is of a U-shaped structural design, a hose (21) is arranged in the movable groove (26), and the lower end of the hose (21) extends into the water storage tank (17);

the inside fly leaf (22) that is provided with of fly leaf (26), and fly leaf (22) upper end and transmission shaft (19) fixed connection, fly leaf (22) outside hub connection has three group extrusion gyro wheel (23), and extrusion gyro wheel (23) outside and hose (21) contact to extrusion gyro wheel (23) are less than hose (21) diameter with the circular arc department distance of fly leaf (26).

6. The shale gas well gas production machine as claimed in claim 1, wherein: the interlayer (24) is arranged in the combustion barrel (9), the heat exchange tube (25) is arranged in the interlayer (24) in a surrounding mode, the left side end of the heat exchange tube (25) is connected with the hose (21) in a conducting mode, and the right side end of the heat exchange tube (25) penetrates to the lower end inside the water storage tank (17).