阅读说明：本技术 一种风冷型煤层气回收用压缩机 (Air-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：本发明公开了一种风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、密封圈和活塞,所述压缩杆左端与伸缩气缸的活塞杆右端固定连接；所述压缩杆与压缩装置左侧侧壁之间周向设置有有密封圈；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。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,增大了散热片与压缩装置的接触面积,提高了散热的效果。(The invention discloses an air-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 and a piston, and the left end of the compression rod is fixedly connected with the right end of a piston rod of a telescopic cylinder; a sealing ring is circumferentially arranged between the compression rod and the left side wall of the compression device; the right side top fixed mounting of compression pole has the piston, the outer lane fixed mounting of piston has air seal ring A, air seal ring B and oil seal ring, the right side top fixed mounting of piston has the outlet duct. The invention ensures the sealing performance in the compression device, increases the contact area of the radiating fins and the compression device and improves the radiating 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. An air-cooled compressor for recovering coal bed gas comprises a shell (1), and is characterized in that a compression device (29) is fixedly mounted on the shell (1);

the compression device (29) comprises a compression rod (23), a sealing ring (16) and a piston (30),

the left end of the compression rod (23) is fixedly connected with the right end of a piston rod (19) of the telescopic cylinder (17); a sealing ring (16) is circumferentially arranged between the compression rod (23) and the left side wall of the compression device (29);

the right side of the compression rod (23) is embedded and connected with a sealing sleeve (3), the outer side of the sealing sleeve (3) is fixedly provided with a fixed rod (2), the top end of the right side of the compression rod (23) is fixedly provided with a piston (30),

the utility model discloses a piston (30) air seal device, including piston (30), outer lane fixed mounting have air seal circle A (4), air seal circle B (5) and oil seal circle (6), the right side top fixed mounting of piston (30) has outlet duct (9), the right side demountable installation of outlet duct (9) has filter screen (8), the right side fixed mounting of filter screen (8) has intake pipe (7).

2. The air-cooled compressor for recovering coal bed methane according to claim 1, wherein a heat dissipation base (13) is fixedly installed on the outer side above the compression device (29), a heat dissipation sheet (12) is fixedly installed on the heat dissipation base (13), a screw (11) is detachably connected between the heat dissipation base (13) and the compression device (29), and a heat dissipation fan A (15) is fixedly installed on the heat dissipation sheet (12).

3. The air-cooled compressor for recovering the coal bed gas according to claim 1, wherein a one-way valve is installed on the air inlet pipe (7).

4. The air-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 outlet pipe (9).

5. The air-cooled compressor for recovering coal bed gas according to claim 1, wherein the cooling fan A (15) 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 air-cooled compressor for recovering coal bed methane according to claim 1, wherein an electric input end of the motor B (27) is electrically connected with an electric output end of an external power supply.

Technical Field

The invention relates to the technical field of pneumatic mechanical devices, in particular to an air-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 an air-cooled compressor for recovering coal bed gas, aiming at providing a compressor with a sealing ring, a sealing sleeve, a gas sealing ring A, a gas sealing ring B and an oil sealing ring, which have strict requirements on the sealing performance of the compressor in respect of the recovery of oil field gas, if gas permeates into the compressor, accident danger is caused, the danger is extremely high, firstly, a compression rod and the left side wall of a compression device are sealed through 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 into the right side of the compression cavity through the sealing sleeve, the gas sealing ring A, the gas sealing ring B and the oil sealing ring are fixedly arranged on the outer ring of a piston, the compressed gas entering from a gas inlet pipe on the right side and injected lubricating oil cannot permeate into the left side of the piston, the safety is ensured, and as the ignition point of oil field gas, when the compression chamber is compressing oil field gas, the temperature outside the compression device is higher, and through installing heat dissipation base and fin in the compression device outside, increased fin and compression device's area of contact, improved radiating effect.

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

the invention provides an air-cooled 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 and a piston,

the left end of the compression rod is fixedly connected with the right end of a piston rod of the telescopic cylinder;

a sealing ring is circumferentially arranged between the compression rod and the left side wall of the compression device;

the right side of compression pole is inlayed and is connected with the seal cover, the outside fixed mounting of seal cover has the dead lever, the right side top fixed mounting of compression pole has the piston, the outer lane fixed mounting of piston has air seal ring A, air seal ring B and oil seal ring, the right side top fixed mounting of piston has the outlet duct, the right side demountable installation of outlet duct has the filter screen, the right side fixed mounting of filter screen has the intake pipe.

Optionally, a heat dissipation base is fixedly installed on the outer side of the upper portion of the compression device, a heat dissipation sheet is fixedly installed on the upper portion of the heat dissipation base, a screw rod is detachably connected between the heat dissipation base and the compression device, and a heat dissipation fan a is fixedly installed on the upper portion of the heat dissipation sheet.

Optionally, a check valve is installed on the air inlet pipe.

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 end of the motor B is 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 compressed gas entering a gas inlet pipe on the right side and injected lubricating oil cannot permeate to the left side of a piston by installing a sealing ring, a sealing sleeve, a gas sealing ring A, a gas sealing ring B and an oil sealing ring, so that the safety is ensured.

2. The invention aims to solve the problems that when a compression device compresses oil field gas, the heat dissipation fan A, the heat dissipation fins and the heat dissipation base are arranged, heat is generated outside the compression device and in a motor cavity on the left side of the compression device, and danger is caused if heat dissipation treatment is not carried out.

3. The left end of the compression rod is fixedly connected with the right end of a piston rod of a telescopic cylinder; the telescopic cylinder is adopted to drive the compression rod to move, the compression rod pushes the piston at the front end to reciprocate, so that the effect of compressing the coal bed gas is achieved, the total mass of the air-cooled compressor for recovering the coal bed gas is reduced, the compressor is convenient to move/move, the structure is simplified, the operation efficiency is improved, the heat generated by the telescopic cylinder is small, and the safety of the compressor for recovering the air-cooled coal bed gas is further improved; and can meet the requirements for coal bed gas recovery (the pressure requirement is not high, but the reaction speed is high and the efficiency is high).

4、

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 an air-cooled 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 an air-cooled compressor for recovering coal bed methane 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; 11. a screw; 12. a heat sink; 13. a heat dissipation base; 15. a heat radiation fan A; 16. a seal ring; 17. a telescopic cylinder; 19. a piston 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.

An air-cooled 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 air-cooled compressor for coal bed methane recovery according to the embodiment of the present invention comprises a housing 1, a compression device 29 is fixedly mounted on the housing 1, the compression device 29 comprises a compression rod 23, a seal ring 16 and a piston 30,

the left end of the compression rod 23 is fixedly connected with the right end of a piston rod 19 of the telescopic cylinder 17;

a sealing ring 16 is circumferentially arranged between the compression rod 23 and the left side wall of the compression device 29;

the right side of the compression rod 23 is connected with a sealing sleeve 3 in an embedded manner, the outer side of the sealing sleeve 3 is fixedly provided with a fixed rod 2, the top end of the right side of the compression rod 23 is fixedly provided with a piston 30, the outer ring of the piston 30 is fixedly provided with an air sealing ring A4, an air sealing ring B5 and an oil sealing ring 6, the upper part of the right side of the piston 30 is fixedly provided with an air outlet pipe 9, the right side of the air outlet pipe 9 is detachably provided with a filter screen 8, the right side of the filter screen 8 is fixedly provided with an air inlet pipe 7, the joint between the compression rod 23 and the left side wall of the compression device 29 is sealed by a sealing ring 16 to ensure the sealing of the inside of the left side of the compression device 2, then the sealing sleeve 3 is used for further preventing external air from permeating to the right side of the compression device 2, and, the left side that the compressed gas that has ensured the intake pipe 7 on right side and the lubricating oil that injects can not permeate piston 30 has ensured the security, through installing heat dissipation base 13 in the compressor arrangement 2 outside, heat dissipation base 13's top evenly distributed has fin 12, installs radiator fan A15 on fin 12, has increased radiating area of contact, has improved the radiating effect, has improved the security, improves the result of use.

Referring to fig. 1 and 2, a heat dissipation base 13 is fixedly installed on the outer side of the upper portion of the compression device 29, a heat dissipation fin 12 is fixedly installed on the upper portion of the heat dissipation base 13, a screw 11 is detachably connected between the heat dissipation base 13 and the compression device 29, and a heat dissipation fan a15 is fixedly installed on the upper portion of the heat dissipation fin 12.

And the air inlet pipe 7 is provided with a one-way valve.

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 check valve 10 is detachably installed at the outer side of the outlet pipe 9.

Referring to fig. 1 and 2, the cooling fan a15 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 end of the motor B27 is electrically connected to the power output end of the external power source.

The embodiment of the invention provides an air-cooled compressor for recovering coal bed gas, when the compressor is used, a piston rod 19 of a telescopic cylinder 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, a motor B27 in a cooling fan A15 is electrified through an external power supply, a motor B27 drives a conveyor belt 25 to rotate, and the conveyor belt 25 drives a fan 24 to rotate; then the air inlet pipe 7 conveys the compressed air to the inside of the compression device 29, the air sealing ring A4 and the air sealing ring B5 on the outer side of the piston 30 on the right side of the compression device 29 ensure that the compressed air cannot enter the inside of the compression device 29, the filter screen 8 filters the compressed air before the compressed air is compressed, fine particle impurities in oil field gas are prevented from being attached to the inside of the compression device 29 and causing machine damage, the compressed gas is discharged out of the compression device 29 through the exhaust pipe 9, the check valve 10 above the exhaust pipe 9 ensures the gas outlet direction and prevents backflow from causing danger, at the moment, the heat radiation fan A15 is electrified through an external power supply, the heat radiation base 13 below the heat radiation fan A15 transmits 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 a compressor for air-cooled 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 screw 11, a radiating fin 12, a radiating base 13, a radiating fan A15, a sealing ring 16, a compression rod 23, a fan 24, a conveyor belt 25, a motor B27, a compression device 29 and a piston 30, the electrical components are all products in the prior art, the technical personnel in the field select, install and complete the debugging operation of the circuit according to the use requirement to ensure that all the electrical equipment can work normally, the components are all universal standard components or components known by the technical personnel in the field, the structure and principle are known to the skilled person through technical manuals or through routine experimentation, and the applicant is not specifically limited 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.