阅读说明：本技术 一种水冷型煤层气回收用压缩机 (Water-cooled compressor for coal bed gas recovery ) 是由 余浪波 赵迎普 盛昌国 于 2020-06-10 设计创作，主要内容包括：本发明公开了一种水冷型煤层气回收用压缩机,属于气动机械装置技术领域,包括壳体,所述壳体的固定安装有压缩装置,所述压缩装置包括压缩杆、密封圈、转轴和活塞,所述压缩杆的左侧固定安装有转轴,所述转轴的外侧固定安装有连接杆的一端,所述连接杆的另一端固定连接有转盘,所述压缩杆与转轴连接处固定安装有密封圈,所述压缩杆的右侧顶端固定安装有活塞,所述活塞的外圈固定安装有气密封圈A、气密封圈B和油密封圈,所述活塞的右侧上方固定安装有出气管；所述压缩装置的外侧周向设置有水冷腔体。本发明通过安装有密封圈、密封套、气密封圈A、气密封圈B和油密封圈,确保了压缩装置内部的密封性,大大提高了散热的效果。(The invention discloses a water-cooled compressor for coal bed gas recovery, which belongs to the technical field of pneumatic mechanical devices and comprises a shell, wherein a compression device is fixedly arranged on the shell and comprises a compression rod, a sealing ring, a rotating shaft and a piston, the left side of the compression rod is fixedly provided with the rotating shaft, one end of a connecting rod is fixedly arranged on the outer side of the rotating shaft, the other end of the connecting rod is fixedly connected with a turntable, the sealing ring is fixedly arranged at the joint of the compression rod and the rotating shaft, the piston is fixedly arranged at the top end of the right side of the compression rod, an air sealing ring A, an air sealing ring B and an oil sealing ring are fixedly arranged on the outer ring of the piston, and an air outlet pipe; and a water cooling cavity is circumferentially arranged on the outer side of the compression device. The invention ensures the sealing performance in the compression device and greatly improves the heat dissipation effect by installing the sealing ring, the sealing sleeve, the air sealing ring A, the air sealing ring B and the oil sealing ring.)

1. The utility model provides a water-cooled compressor for coal bed gas recovery, includes casing (1), its characterized in that, the fixed mounting of casing (1) has compressor arrangement (29), compressor arrangement (29) include compression pole (23), sealing washer (16), pivot (17) and piston (30), the left side fixed mounting of compression pole (23) has pivot (17), the outside fixed mounting of pivot (17) has the one end of connecting rod (22), the other end fixed connection of connecting rod (22) has carousel (20), the power take off end rotation of carousel (20) is connected with the power take off end of motor A (19), compression pole (23) and pivot (17) junction fixed mounting has sealing washer (16), the right side of compression pole (23) is inlayed and is connected with seal cover (3), the outside fixed mounting of seal cover (3) has dead lever (2), a piston (30) is fixedly mounted at the top end of the right side of the compression rod (23), an air sealing ring A (4), an air sealing ring B (5) and an oil sealing ring (6) are fixedly mounted on the outer ring of the piston (30), an air outlet pipe (9) is fixedly mounted above the right side of the piston (30), a filter screen (8) is detachably mounted on the right side of the air outlet pipe (9), and an air inlet pipe (7) is fixedly mounted on the right side of the filter screen (8);

a water-cooling cavity (13) is circumferentially arranged on the outer side of the compression device (29), and the water-cooling cavity (13) is formed by hermetically connecting the outer side wall of the compression device (29) with a water-cooling shell; the water-cooling cavity (13) is positioned above the compression device (29) and is fixedly provided with a cooling fin (12); and a radiating fan A (15) is fixedly arranged above the radiating fin (12).

2. The water-cooling type compressor for coal bed gas recovery according to claim 1, wherein the water-cooling cavity (13) is provided with a water inlet (31) near one end and a water outlet (32) near the other end, the water inlet (31) is located above the compression device (29), and the water outlet (32) is located below the compression device (29).

3. The water-cooling type compressor for recovering coal bed gas according to claim 1, wherein a cooling fan B (21) is fixedly installed below the motor A (19).

4. The water-cooled compressor for recovering coal bed methane according to claim 1, wherein a check valve (10) is detachably mounted on the outer side of the gas outlet pipe (9).

5. The water-cooled compressor for coal bed gas recovery according to claim 1, wherein the cooling fan A (19) comprises a motor B (27), a conveyor belt (25) and a fan (24), a power output end of the motor B (27) is rotatably connected with a power input end of the conveyor belt (25), and a power output end of the conveyor belt (25) is rotatably connected with a power input end of the fan (24).

6. The water-cooled compressor for recovering coal bed gas according to claim 1, wherein the power input ends of the motor A (19) and the motor B (27) are electrically connected with the power output end of an external power supply.

Technical Field

The invention relates to the technical field of pneumatic mechanical devices, in particular to a water-cooled compressor for recycling coal bed gas.

Background

In the normal production of oil fields and petrochemical enterprises, each device discharges variable amounts of gas, oil field gas and other gases, and the gases are recovered into a gas holder and enter the gas holder after being compressed and treated. Combustible gas enters a medium-pressure fuel gas pipe network and is sent to a combustion furnace of each device to be used as fuel; the surplus gas is sent to a torch for combustion.

Coal bed gas (coalbed methane) is commonly called as 'gas', and the main component of the coal bed methane is simply methane which is purer than that of natural gas (also called as oilfield gas). The coal bed gas exists in the coal bed and surrounding rocks thereof in an adsorption and free state. The calorific value is 2 to 5 times of that of general coal, and almost no pollutants are generated after combustion.

Disclosure of Invention

The invention provides a water-cooling type compressor for recovering coal bed gas, which aims to ensure that the recovery of the coal bed gas has strict requirements on the sealing performance of the compressor by installing a sealing ring, a sealing sleeve, a gas sealing ring A, a gas sealing ring B and an oil sealing ring, if gas permeates into the compressor, accident danger is caused, the danger is extremely high, firstly, the connecting part of a compression rod and a rotating shaft is sealed by the sealing ring to ensure the internal sealing of the left side of a compression cavity, then, the external gas is further prevented from permeating to the right side of the compression cavity by the sealing sleeve, the gas sealing ring A, the gas sealing ring B and the oil sealing ring are fixedly installed on the outer ring of a piston, the compressed gas entering an air inlet pipe on the right side and injected lubricating oil are prevented from permeating to the left side of the piston, the safety is ensured, and the ignition point of the coal bed gas, when the compression cavity compresses the coal bed gas, the temperature of the outer side of the compression device is higher, the water-cooling cavity and the radiating fins are circumferentially arranged on the outer side of the compression device, heat is dissipated by double means, the contact area between the radiating fins and the compression device is increased, and the radiating effect is improved.

The specific technical scheme provided by the invention is as follows:

the invention provides a water-cooling compressor for coal bed gas recovery, which comprises a shell, wherein a compression device is fixedly arranged on the shell, the compression device comprises a compression rod, a sealing ring, a rotating shaft and a piston, the left side of the compression rod is fixedly provided with the rotating shaft, one end of a connecting rod is fixedly arranged on the outer side of the rotating shaft, the other end of the connecting rod is fixedly connected with a rotating disc, the power output end of the rotating disc is rotatably connected with the power output end of a motor A, the sealing ring is fixedly arranged at the joint of the compression rod and the rotating shaft, a sealing sleeve is embedded and connected on the right side of the compression rod, a fixing rod is fixedly arranged on the outer side of the sealing sleeve, the piston is fixedly arranged at the top end of the right side of the compression rod, the air sealing ring A, the air sealing, a filter screen is detachably mounted on the right side of the air outlet pipe, and an air inlet pipe is fixedly mounted on the right side of the filter screen;

a water-cooling cavity is circumferentially arranged on the outer side of the compression device, and is formed by hermetically connecting the outer side wall of the compression device with a water-cooling shell; the water-cooling cavity is positioned above the compression device and fixedly provided with a radiating fin; and a radiating fan A is fixedly arranged above the radiating fins.

Optionally, a water inlet is arranged near one end of the water cooling cavity, a water outlet is arranged near the other end of the water cooling cavity, the water inlet is located above the compression device, and the water outlet is located below the compression device.

Optionally, a heat dissipation fan B is fixedly mounted below the motor a.

Optionally, the check valve is detachably mounted on the outer side of the air outlet pipe.

Optionally, the cooling fan a includes a motor B, a conveyor belt and a fan, a power output end of the motor B is rotatably connected with a power input end of the conveyor belt, and a power output end of the conveyor belt is rotatably connected with a power input end of the fan.

Optionally, the power input ends of the motor a and the motor B are electrically connected with the power output end of the external power supply.

The invention has the following beneficial effects:

1. the invention aims to ensure that the compressed gas entering from the gas inlet pipe on the right side and the injected lubricating oil cannot permeate to the left side of the piston by installing the sealing ring, the sealing sleeve, the gas sealing ring A, the gas sealing ring B and the oil sealing ring, so that the safety is ensured.

2. The invention aims to install/arrange a cooling fan A, a cooling fan B, cooling fins and a water cooling cavity, when a compression device compresses coal bed gas, the motor cavities on the outer side and the left side of the compression device can generate heat, if the coal bed gas is not subjected to cooling treatment, danger can be caused, most of heat can be taken away through condensed (but) water circulation in the water cooling cavity by arranging the water cooling cavity on the outer circumference of the compression device, the temperature of the outer surface and the inner part of the compression device is quickly lowered, in addition, the cooling fins are uniformly distributed above the water cooling cavity (positioned above the compression device), the cooling fan A is arranged on the cooling fins, the contact area of heat dissipation is further increased, the heat dissipation effect is improved, the cooling fan A is arranged below the motor A, the air in the cooling fan A is circulated, and the low-temperature safety state of the motor A during operation is ensured, the safety is improved.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

Fig. 1 is a schematic overall structure diagram of a water-cooling type compressor for coal bed methane recovery according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a cooling fan a of a water-cooling type compressor for coal bed methane recovery according to an embodiment of the present invention.

In the figure: 1. a housing; 2. fixing the rod; 3. sealing sleeves; 4. an air seal ring A; 5. an air seal ring B; 6. an oil seal ring; 7. an air inlet pipe; 8. a filter screen; 9. an air outlet pipe; 10. a check valve; 12. a heat sink; 13. water-cooling the cavity; 15. a heat radiation fan A; 16. a seal ring; 17. a rotating shaft; 19. a motor A; 20. a turntable; 21. a heat radiation fan B; 22. a connecting rod; 23. a compression rod; 24. a fan; 25. a conveyor belt; 27. a motor B; 29. a compression device; 30. a piston.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in further detail with reference to the accompanying drawings, and it is apparent that the described embodiments are only a part of the embodiments of the present invention, not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

A water-cooling type compressor for coal bed methane recovery according to an embodiment of the present invention will be described in detail with reference to fig. 1 to 2.

Referring to fig. 1 and 2, the water-cooled compressor for coal bed gas recovery provided by the embodiment of the invention comprises a housing 1, wherein a compression device 29 is fixedly installed on the housing 1, the compression device 29 comprises a compression rod 23, a seal ring 16, a rotating shaft 17 and a piston 30, the rotating shaft 17 is fixedly installed on the left side of the compression rod 23, one end of a connecting rod 22 is fixedly installed on the outer side of the rotating shaft 17, the other end of the connecting rod 22 is fixedly connected with a turntable 20, the power output end of the turntable 20 is rotatably connected with the power output end of a motor a19, the seal ring 16 is fixedly installed at the connection position of the compression rod 23 and the rotating shaft 17, a seal sleeve 3 is embedded and connected on the right side of the compression rod 23, a fixing rod 2 is fixedly installed on the outer side of the seal sleeve 3, the piston 30 is fixedly installed at the top end of the right side of the, An air seal ring B5 and an oil seal ring 6, an air outlet pipe 9 is fixedly installed above the right side of the piston 30, a filter screen 8 is detachably installed on the right side of the air outlet pipe 9, an air inlet pipe 7 is fixedly installed on the right side of the filter screen 8, the joint of the compression rod 23 and the rotating shaft 17 is firstly sealed through a seal ring 16, the sealing of the inside of the left side of the compression device 2 is ensured, then the external air is further prevented from permeating to the right side of the compression device 2 through a seal sleeve 3, an air seal ring A4 and an air seal ring B5 are fixedly installed on the outer ring of the piston 30, and an oil seal ring 6 is also fixedly installed on the outer ring of the piston 30, the compressed air entering from the air inlet pipe 7 on the right side and the injected lubricating oil can not permeate to the left side of the piston 30, the safety is ensured, most of heat is taken away, quick lower compressor arrangement surface and inside temperature, in addition, the top of water-cooling cavity (be located the position department of compressor arrangement 29 top) evenly distributed has the fin, install radiator fan A on the fin, radiating area of contact has further been increased, the radiating effect has been improved, and install radiator fan B21 in motor A19 below, with inside circulation of air, be in low temperature safety's state when having ensured motor A19 to function, the security has been improved, the result of use is improved.

A water-cooling cavity 13 is circumferentially arranged on the outer side of the compression device 29, and the water-cooling cavity 13 is formed by hermetically connecting the outer side wall of the compression device 29 with a water-cooling shell; the water-cooling cavity 13 is positioned above the compression device 29 and fixedly provided with a cooling fin 12; a heat radiation fan a15 is fixedly mounted above the heat radiation fins 12.

Near water cooling cavity 13 one end is provided with water inlet 31, and near the other end is provided with delivery port 32, just water inlet 31 is located compressor arrangement 29's top, delivery port 32 is located compressor arrangement 29's below.

A check valve 10 (a one-way valve, which only can be opened and closed) is detachably mounted on the outer side of the air outlet pipe 9; the inlet pipe 7 is also provided with a one-way valve (not shown), not shown, as will be understood by those skilled in the art.

Referring to fig. 1, a heat dissipation fan B21 is fixedly installed below the motor a 19.

Referring to fig. 1, a check valve 10 is detachably installed at the outer side of the outlet pipe 9.

Referring to fig. 1 and 2, the cooling fan a19 includes a motor B27, a conveyor belt 25 and a fan 24, wherein a power output end of the motor B27 is rotatably connected with a power input end of the conveyor belt 25, and a power output end of the conveyor belt 25 is rotatably connected with a power input end of the fan 24.

Referring to fig. 1 and 2, the power input terminals of the motor a19 and the motor B27 are electrically connected to the power output terminal of the external power source.

The embodiment of the invention provides a water-cooling type compressor for coal bed gas recovery, when in use, firstly, a motor A19 is electrified through an external power supply, a motor A19 starts to work and starts to rotate to drive a turnplate 20 which is rotationally connected with the turnplate 20 to rotate, the turnplate 20 drives a connecting rod 22 to move, the connecting rod 22 drives a rotating shaft 17 to rotate, the rotating shaft 17 drives a compression rod 23 to move, the compression rod 23 pushes a piston 30 at the front end to reciprocate, at the moment, the motor B27 in a cooling fan B21 is electrified through the external power supply, the motor B27 drives a conveyor belt 25 to rotate, the conveyor belt 25 drives a fan 24 to rotate to ventilate and radiate a motor A19 to ensure that the internal temperature is in a lower state, then an air inlet pipe 7 conveys compressed gas to the inside of a compression device 29, and a gas sealing ring A4 and a gas sealing ring B5 outside the piston 30 on the, in addition, the filter screen 8 filters the compressed gas before the compressed gas is compressed, so that fine particle impurities in the coal bed gas are prevented from being attached to the inside of the compression device 29 to cause machine damage, the compressed gas is discharged out of the compression device 29 through the exhaust pipe 9, the direction of gas outlet is ensured by the check valve 10 above the exhaust pipe 9, and danger caused by backflow is prevented, at the moment, the heat radiation fan A15 is electrified through an external power supply, the water cooling cavity 13 below the heat radiation fan A15 can also transmit heat to the heat radiation fins 12, the safety of the heat radiation fan A15 is improved, and the safety is improved.

The motor 6 is a commercially available model Y315M-2, and therefore, the details thereof are not repeated herein.

The invention is to be noted that the invention is a water-cooling type compressor for coal bed gas recovery, which comprises a shell 1, a fixed rod 2, a sealing sleeve 3, a gas sealing ring A4, a gas sealing ring B5, an oil sealing ring 6, an air inlet pipe 7, a filter screen 8, an air outlet pipe 9, a check valve 10, a heat radiating fin 12, a water cooling cavity 13, a heat radiating fan A15, a sealing ring 16, a rotating shaft 17, a motor A19, a rotating disk 20, a heat radiating fan B21, a connecting rod 22, a compression rod 23, a fan 24, a conveyor belt 25, a motor B27, a compression device 29 and a piston 30, wherein the electrical components are all products in the prior art, and are selected, installed and finished by a person skilled in the art according to the use requirements, so as to ensure that each electrical appliance can normally work, and are all universal standard components or components known by the person skilled in the art, and the structure and principle of the compressor can, the applicant does not make specific limitations herein.

It will be apparent to those skilled in the art that various modifications and variations can be made in the embodiments of the present invention without departing from the spirit or scope of the embodiments of the invention. Thus, if such modifications and variations of the embodiments of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to encompass such modifications and variations.