CN213016691U

CN213016691U - Natural gas compressor

Info

Publication number: CN213016691U
Application number: CN202021559577.3U
Authority: CN
Inventors: 吴狄; 汪长波
Original assignee: Anhui Kehai Compressor Manufacturing Co ltd
Current assignee: Anhui Kehai Compressor Manufacturing Co ltd
Priority date: 2020-07-31
Filing date: 2020-07-31
Publication date: 2021-04-20
Anticipated expiration: 2030-07-31

Abstract

The utility model discloses a natural gas compressor, including the buffer tank of admitting air, the buffer tank one side of admitting air is equipped with first pipeline, and the buffer tank opposite side of admitting air passes through second pipe connection one-level compression cylinder, one-level compression cylinder passes through the first cooler of third pipe connection, and first cooler passes through fourth pipe connection second grade compression cylinder, and second grade compression cylinder passes through the fifth pipe connection second cooler, and the second cooler passes through sixth pipe connection vapour and liquid separator, and seventh pipeline is connected to vapour and liquid separator. The utility model has the advantages that: the utility model provides a natural gas compressor when using, its inside cooler can two intermittent type formulas uses, can effectively ensure to cool off compressed gas, ensures the continuous operation of compressor.

Description

Natural gas compressor

Technical Field

The utility model relates to an industrial compressor field especially relates to a natural gas compressor.

Background

In the natural gas station of refueling, use the compressor to compress the natural gas usually, the natural gas compressor generally is multi-stage compression, compressed gas's temperature can all uprise after every level compression, consequently all need cool down the gas after the compression after every level compression, compressor cooler among the prior art adopts forced air cooling or water-cooled mode to cool down compressed gas usually, and some natural gas compressors need continuous operation usually, compressor cooler can't satisfy compression machine's effective cooling demand in hot summer like this, the too high operation of temperature of compressed cylinder like this, the effect is lost easily to the piston ring in the compressed cylinder.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a natural gas compressor.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a natural gas compressor comprises an air inlet buffer tank, wherein one side of the air inlet buffer tank is provided with a first pipeline, the other side of the air inlet buffer tank is connected with a first-stage compression cylinder through a second pipeline, the first-stage compression cylinder is connected with a first cooler through a third pipeline, the first cooler is connected with a second-stage compression cylinder through a fourth pipeline, the second-stage compression cylinder is connected with a second cooler through a fifth pipeline, the second cooler is connected with a gas-liquid separator through a sixth pipeline, the gas-liquid separator is connected with a seventh pipeline, the first cooler and the second cooler have the same structure and comprise two boxes, each box is internally provided with a spiral cooling pipe, one end of each cooling pipe is connected with a first connecting pipe, the first connecting pipe penetrates through the outer side of the box and is connected with an air inlet main pipe, the other end of each cooling pipe is connected with a second connecting pipe, the second connecting pipe penetrates through the, all be equipped with the water pump on one side of every box, the interface of intaking of water pump through first water pipe with the box is linked together, the play water interface of water pump passes through second water piping connection water cooling tower, water cooling tower pass through the third water pipe with the box is linked together.

Preferably, the second water pipe is connected with a fourth water pipe, and a drain valve is installed on the fourth water pipe.

Preferably, the top of the box body is provided with a main spraying pipe, the main spraying pipe is provided with a plurality of branch spraying pipes, each branch spraying pipe penetrates through the box body and extends into the box body, and a spraying head is arranged at one end of each branch spraying pipe extending into the box body.

Preferably, the buffer tank of admitting air includes the outer jar of body, and the outer jar of internal side is equipped with the columniform inner tank body, and the inner tank body downside supports through a set of support column and fixes in the internal side bottom of outer jar still be equipped with on the outer jar of body with the intake pipe that the outer jar of body is linked together the inner tank body bottom evenly is equipped with the intercommunicating pore, the outer jar of body with the inner tank body is linked together through the intercommunicating pore be equipped with the outlet duct on the outer jar of body, the outlet duct runs through the outer jar of body, the inner tank body and stretches into.

Preferably, a sewage discharge pipe communicated with the outer tank body is arranged at the bottom of the outer tank body.

Preferably, a drain valve is arranged on the drain pipe.

Preferably, the outer surface of the inner tank body is cylindrical, and the air inlet pipe is arranged in a tangent mode with the outer wall of the inner tank body.

Preferably, one end of the air outlet pipe extending into the inner tank body is fixedly connected with the sealing plate, and through holes are uniformly formed in the pipe wall of the air outlet pipe extending into the inner tank body.

Preferably, a group of upright posts are arranged on the lower side of the outer tank body.

The utility model has the advantages that: the utility model provides a natural gas compressor when using, its inside cooler can two intermittent type formulas uses, can effectively ensure to cool off compressed gas, ensures the continuous operation of compressor.

Drawings

Fig. 1 is a schematic diagram of the basic structure of the present invention;

FIG. 2 is a schematic view of the basic structure of the first cooler or the second cooler;

FIG. 3 is a schematic view of the basic structure of an intake buffer tank;

fig. 4 is an enlarged view of a portion a of fig. 1.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Example 1

As shown in fig. 1-4, the utility model provides a pair of natural gas compressor, including the buffer tank 1 that admits air, the buffer tank that admits air includes the columniform outer tank body 11, and a set of stand 111 is equipped with to the 11 downside of outer tank body, and the 11 inboards of outer tank body are equipped with columniform inner tank body 12, inner tank body 12 and the coaxial setting of outer tank body 11, and inner tank body 12 downside supports through three support column 121 and fixes in the inboard bottom of outer tank body 11. An air inlet pipe 13 communicated with the outer tank body 11 is arranged at the upper part of the arc surface of the outer tank body 11, and the air inlet pipe 13 is tangent to the outer wall of the inner tank body 12.

The bottom of the inner tank body 12 is uniformly provided with communicating holes 122, the outer tank body 11 is communicated with the inner tank body 12 through the communicating holes, the outer tank body 11 is provided with an air outlet pipe 14, and the air outlet pipe 14 penetrates through the outer tank body 11 and the inner tank body 12 and extends into the inner tank body 12. A sealing plate 16 is fixedly connected to one end of the air outlet pipe 14 extending into the inner tank 12, and through holes 141 are uniformly formed in the pipe wall of the air outlet pipe 14 extending into the inner tank 12. The bottom of the outer tank body 11 is provided with a sewage discharge pipe 15 communicated with the outer tank body 11, and the sewage discharge pipe 15 is provided with a sewage discharge valve. When the liquid in the outer tank 11 is excessive, the liquid can be discharged through the drainage pipe 15.

When the air inlet buffer tank 1 is used, air enters the outer tank body 11 from the air inlet pipe 13 along the tangential direction of the inner tank body 12, so that the air can impact the outer wall of the inner tank body 12 and the inner wall of the outer tank body 11, water mixed in the air is easily separated from the air, the air entering the outer tank body 11 enters the inner tank body 12 from the communicating hole 122 at the bottom of the inner tank body 12, the air can be uniformly diffused into the inner tank body 12, a certain buffer effect is achieved on the air flow pulsation in the inner tank body 12, the air entering the inner tank body 12 enters the air outlet pipe 14 through the through hole 141 and then is discharged, and the air pipe 14 has the function of a diffuser and has the effects of buffering the air flow twice through the air inlet buffer tank, so that the pressure stability, the uniform flow speed and the stable air flow discharge are realized.

The intake pipe 13 is connected with a natural gas source through a first pipeline 51, the outlet pipe 14 on the other side of the intake buffer tank 1 is connected with a first-stage compression cylinder 2A through a second pipeline 52, the first-stage compression cylinder 2A is connected with a first cooler 3A through a third pipeline 53, the first cooler 3A is connected with a second-stage compression cylinder 2B through a fourth pipeline, the second-stage compression cylinder 2B is connected with a second cooler 3B through a fifth pipeline 55, the second cooler 3B is connected with a gas-liquid separator 4 through a sixth pipeline 56, and the gas-liquid separator 4 is connected with a seventh pipeline 57.

The first cooler 3A and the second cooler 3B have the same structure, and each of them includes two tanks 31, each tank 31 is provided with a spiral cooling pipe 32, one end of the cooling pipe 32 is connected to a first connecting pipe 34, the first connecting pipe 34 is provided with a first electric ball valve 341, and the first connecting pipe 34 penetrates through the outer side of the tank 31 and is connected to an air inlet main pipe 38. The other end of the cooling pipe 32 is connected to a second connection pipe 33, a second electric ball valve 331 is installed on the second connection pipe 33, and the second connection pipe 33 penetrates the outside of the case 31 and is connected to an exhaust main pipe 332.

A water pump 36 is arranged on one side of each tank 31, a water inlet port of the water pump 36 is communicated with the bottom of the inner side of the tank 31 through a first water pipe 361, a water outlet port of the water pump 36 is connected with a water cooling tower 37 through a second water pipe 362, and the water cooling tower 37 is communicated with the top of the inner side of the tank 31 through a third water pipe 371.

The second water pipe 362 is connected with a fourth water pipe 39, and a drain valve 391 is arranged on the fourth water pipe 39. The top of the box body 31 is provided with a main spray pipe 35, the main spray pipe 35 is provided with a plurality of branch spray pipes, each branch spray pipe penetrates through the box body 31 and extends into the box body 31, one end of each branch spray pipe extending into the box body 31 is provided with a spray head 351, and the main spray pipe 35 is provided with a third electric valve 352.

When the first cooler 3A or the second cooler 3B is used, the compressed gas from the first-stage compression cylinder 2A or the second-stage compression cylinder 2B enters one of the boxes 31 through the main gas inlet pipe 38 and is discharged from the corresponding main gas discharge pipe 332, the boxes 31 are filled with cooling water, the water pump 36 pumps the cooling water out of the boxes 31, and the cooling water enters the boxes 31 again after being cooled by the water cooling tower to cool the compressed gas, while the natural gas compressor provided by the present invention is in continuous operation, although the water cooling tower 37 cools the water in the boxes 31, the cooling capacity of the water cooling tower 37 is limited, and the compressor cannot be in continuous operation for a long time, at this time, the compressed gas can be led to the other box 31 for cooling through the switching of the first electric ball valve 341 and the second electric ball valve 331, and the drain valve 391 is opened to discharge the high-temperature cooling water, the third electric valve 352 is opened again, and new cooling water is sprayed into the box 31 through the shower head 351 to cool the cooling pipe 32.

Claims

1. The utility model provides a natural gas compressor, includes air intake buffer tank (1), and one-level compression cylinder (2A) is connected through second pipeline (52) to air intake buffer tank (1) opposite side, first cooler (3A) is connected through third pipeline (53) in one-level compression cylinder (2A), and second cooler (3B) is connected through the fourth pipeline in first cooler (3A), and second cooler (3B) is connected through fifth pipeline (55) in second level compression cylinder (2B), and gas-liquid separator (4) is connected through sixth pipeline (56) in second cooler (3B), and seventh pipeline (57) is connected in gas-liquid separator (4), its characterized in that: the first cooler (3A) and the second cooler (3B) are identical in structure and respectively comprise two boxes (31), each box (31) is internally provided with a spiral cooling pipe (32), one end of each cooling pipe (32) is connected with a first connecting pipe (34), the first connecting pipe (34) penetrates through the outer side of each box (31) and is connected with an air inlet main pipe (38), the other end of each cooling pipe (32) is connected with a second connecting pipe (33), the second connecting pipe (33) penetrates through the outer side of each box (31) and is connected with an exhaust main pipe (332), a water pump (36) is arranged on one side of each box body (31), a water inlet port of the water pump (36) is communicated with the box body (31) through a first water pipe (361), the water outlet port of the water pump (36) is connected with the water cooling tower (37) through a second water pipe (362), the water cooling tower (37) is communicated with the box body (31) through a third water pipe (371).

2. A natural gas compressor as claimed in claim 1, wherein: and a fourth water pipe (39) is connected to the second water pipe (362), and a drain valve (391) is arranged on the fourth water pipe (39).

3. A natural gas compressor as claimed in claim 1, wherein: the top of the box body (31) is provided with a spraying main pipe (35), the spraying main pipe (35) is provided with a plurality of spraying branch pipes, each spraying branch pipe penetrates through the box body (31) and extends into the box body (31), and a spraying head (351) is arranged at one end of each spraying branch pipe extending into the box body (31).

4. A natural gas compressor as claimed in claim 1, wherein: the air inlet buffer tank (1) comprises an outer tank body (11), a cylindrical inner tank body (12) is arranged on the inner side of the outer tank body (11), the lower side of the inner tank body (12) is supported and fixed at the inner bottom of the outer tank body (11) through a group of supporting columns (121), an air inlet pipe (13) communicated with the outer tank body (11) is further arranged on the outer tank body (11), communication holes (122) are uniformly formed in the bottom of the inner tank body (12), the outer tank body (11) is communicated with the inner tank body (12) through the communication holes, an air outlet pipe (14) is arranged on the outer tank body (11), and the air outlet pipe (14) penetrates through the outer tank body (11) and the inner tank body (12) and extends into the inner tank body (12).

5. The natural gas compressor of claim 4, wherein: a sewage discharge pipe (15) communicated with the outer tank body (11) is arranged at the bottom of the outer tank body (11).

6. The natural gas compressor of claim 5, wherein: a drain valve is arranged on the drain pipe (15).

7. The natural gas compressor of claim 4, wherein: the outer surface of the inner tank body (12) is cylindrical, and the air inlet pipe (13) is tangent to the outer wall of the inner tank body (12).

8. The natural gas compressor of claim 5, wherein: one end of the air outlet pipe (14) extending into the inner tank body (12) is fixedly connected with a sealing plate (16), and through holes (141) are uniformly formed in the pipe wall of the air outlet pipe (14) extending into the inner tank body (12).

9. The natural gas compressor of claim 4, wherein: a group of upright posts (111) are arranged on the lower side of the outer tank body (11).