CN216976490U

CN216976490U - A gas holder for natural gas unloading is retrieved

Info

Publication number: CN216976490U
Application number: CN202122889842.5U
Authority: CN
Inventors: 李斌
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-11-24
Filing date: 2021-11-24
Publication date: 2022-07-15
Anticipated expiration: 2031-11-24

Abstract

The utility model discloses a gas storage tank for emptying and recycling natural gas, which comprises a tank body with supporting legs at the bottom, wherein a controller is fixedly arranged on the tank body, a battery box is fixedly arranged on the right side of the top of the tank body, the battery box is electrically connected with the controller through a wire, a battery pack is arranged in the battery box, a gas inlet pipe communicated with the inside of the tank body is fixedly arranged on the left side of the tank body, a check valve arranged at the right side of an outlet is fixedly arranged in the gas inlet pipe, and a gas outlet pipe communicated with the inside of the tank body is fixedly arranged on the right side of the tank body. The utility model is convenient for timely pressure relief when the pressure in the tank body is larger, thereby effectively reducing the phenomenon of explosion caused by overlarge air pressure in the tank body and reducing the potential safety hazard.

Description

A gas holder for natural gas unloading is retrieved

Technical Field

The utility model relates to the technical field of gas storage tanks, in particular to a gas storage tank for emptying and recycling natural gas.

Background

The natural gas is a combustible gas mixture of low molecular weight key alkane generated below the ground surface, the gas storage tank is special equipment for storing gas, and as liquid accumulation or hydrate can occur in a natural gas pipeline at irregular intervals, and the pipeline can be blocked seriously, so that the gas pipeline is unsmooth, and the normal production is influenced, the natural gas is required to be discharged into the gas storage tank when the gas pipeline is maintained, and the gas storage tank is used for storing the natural gas;

the existing gas storage tank is not convenient for automatic pressure relief, and when gas is input into the gas storage tank, the gas storage tank can be exploded due to the fact that the pressure inside the gas storage tank can be gradually increased along with the entering of natural gas, when the pressure inside the gas storage tank is too large, potential safety hazards exist, and therefore the gas storage tank for natural gas emptying and recycling is provided for solving the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art and provides a gas storage tank for natural gas emptying recovery.

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

a gas storage tank for natural gas emptying recovery comprises a tank body with supporting legs at the bottom, wherein a controller is fixedly mounted on the tank body, a battery box is fixedly mounted on the right side of the top of the tank body, the battery box is electrically connected with the controller through a wire, a battery pack is mounted in the battery box, a gas inlet pipe communicated with the interior of the tank body is fixedly mounted on the left side of the tank body, a check valve with an outlet arranged on the right side is fixedly mounted in the gas inlet pipe, a gas outlet pipe communicated with the interior of the tank body is fixedly mounted on the right side of the tank body, a flange plate is fixedly mounted at one end, away from the gas inlet pipe and the gas outlet pipe, a gas pressure sensor is fixedly mounted at the central position of the top of the tank body, the gas pressure sensor is electrically connected with the battery box and the controller through wires, a gas pressure detection probe is arranged at the bottom of the gas pressure sensor, and the bottom end of the gas pressure detection probe extends to the interior of the tank body, the right side of the tank body above the exhaust pipe is fixedly provided with a band-type brake motor, the band-type brake motor is electrically connected with a battery box, the band-type brake motor is electrically connected with a controller through a wire, the bottom end of an output shaft of the band-type brake motor extends into the exhaust pipe and is fixedly provided with a rotating shaft, an air inlet pipe is sleeved on the output shaft of the band-type brake motor in a sealing and rotating way, the bottom fixed end of the rotating shaft is provided with a gear, the left side inside the exhaust pipe is provided with an arc-shaped structure and is movably sleeved with a blocking ball, the right side of the blocking ball is provided with a rectangular groove, a connecting rod is sleeved in the rectangular groove in a sliding way, the left end of the connecting rod is fixedly connected with a tension spring in a tension state, the left end of the tension spring is fixedly connected with the left inner wall of the rectangular groove, the front side of the connecting rod is fixed with a rack, the rack is positioned at the rear side of the gear and is meshed with the gear, and the inner wall above the exhaust pipe is fixed with a U-shaped seat, the inner walls of the two sides of the U-shaped seat are fixedly provided with sliding rails, a second guide block is sleeved on the sliding rails in a sliding mode, and the bottom of the second guide block is fixedly connected with the right side of the top of the connecting rod.

Preferably, a first through hole is formed in the inner wall of the left side of the tank body, and the inner wall of the first through hole is fixedly connected with the outer wall of the air inlet pipe.

Preferably, a second through hole communicated with the inside of the tank body is formed in the center of the top of the tank body, and the inner wall of the second through hole is fixedly connected with the outer wall of the air pressure detection probe.

Preferably, a third through hole is formed in the inner wall of the right side of the tank body, and the inner wall of the third through hole is fixedly connected with the outer wall of the exhaust pipe.

Preferably, the arc-shaped structure on the exhaust pipe is movably contacted with the outer side of the blocking ball.

Preferably, the top of the second guide block is provided with a T-shaped sliding groove, both sides of which are provided with openings, and the T-shaped sliding rail is in sliding contact with the outer wall of the sliding rail.

Preferably, a fourth through hole is formed in the top of the exhaust pipe, a sealing bearing is fixedly mounted inside the fourth through hole, and an inner ring of the sealing bearing is fixedly sleeved with the outer side of an output shaft of the band-type brake motor.

Preferably, a guide groove is formed in the inner wall of the top of the rectangular groove, a first guide block in sliding contact with the inner wall of the guide groove is fixed to the left side of the top of the connecting rod, and the right side of the first guide block is in movable contact with the inner wall of the right side of the guide groove.

Compared with the prior art, the utility model has the beneficial effects that:

the utility model is convenient for timely pressure relief when the pressure in the tank body is larger, thereby effectively reducing the phenomenon of explosion caused by overlarge air pressure in the tank body and reducing the potential safety hazard.

Drawings

FIG. 1 is a schematic diagram of a gas storage tank for natural gas vent recovery according to the present invention;

FIG. 2 is a schematic cross-sectional view of FIG. 1;

fig. 3 is an enlarged schematic view of a portion a in fig. 2.

In the figure: 1. a tank body; 2. an air inlet pipe; 3. a flange plate; 4. an air pressure sensor; 5. a battery case; 6. a band-type brake motor; 7. an exhaust pipe; 8. an air pressure detection probe; 9. plugging the ball; 10. an extension spring; 11. a guide groove; 12. a first guide block; 13. a rotating shaft; 14. a U-shaped seat; 15. a slide rail; 16. a second guide block; 17. a connecting rod; 18. a rack; 19. a gear.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1-3, a gas storage tank for natural gas emptying recovery comprises a tank body 1 with supporting legs at the bottom, a controller is fixedly arranged on the tank body 1, a battery box 5 is fixedly arranged at the right side of the top of the tank body 1, the battery box 5 is electrically connected with the controller through a lead, a battery pack is arranged in the battery box 5, an air inlet pipe 2 communicated with the inside of the tank body 1 is fixedly arranged at the left side of the tank body 1, a check valve with an outlet at the right side is fixedly arranged in the air inlet pipe 2, an exhaust pipe 7 communicated with the inside of the tank body 1 is fixedly arranged at the right side of the tank body 1, a flange 3 is fixedly arranged at one end, away from each other, of the air inlet pipe 2 and the exhaust pipe 7, an air pressure sensor 4 is fixedly arranged at the center position of the top of the tank body 1, the air pressure sensor 4 is electrically connected with the battery box 5 and the controller through leads, an air pressure detection probe 8 is arranged at the bottom of the air pressure sensor 4, the bottom end of the air pressure detection probe 8 extends into the tank body 1, a band-type brake motor 6 is fixedly arranged on the right side of the tank body 1 above the exhaust pipe 7, the band-type brake motor 6 is electrically connected with the battery box 5, the band-type brake motor 6 is electrically connected with the controller through a lead, the bottom end of an output shaft of the band-type brake motor 6 extends into the exhaust pipe 7 and is fixedly provided with a rotating shaft 13, the air inlet pipe 7 is sleeved on the output shaft of the band-type brake motor 6 in a sealing and rotating manner, a gear 19 is fixedly arranged at the bottom end of the rotating shaft 13, the left side of the interior of the exhaust pipe 7 is provided with an arc-shaped structure and is movably sleeved with a blocking ball 9, a rectangular groove is formed in the right side of the blocking ball 9, a connecting rod 17 is sleeved in the rectangular groove in a sliding manner, a stretching spring 10 in a stretching state is fixedly connected with the left end of the stretching spring 10, a rack 18 is fixed on the front side of the connecting rod 17, the utility model is convenient for timely pressure relief when the pressure in the tank body 1 is higher, thereby effectively reducing the phenomenon of explosion caused by overlarge air pressure in the tank body 1 and reducing the potential safety hazard, and the arrangement of the extension spring 10 ensures that the extension spring 10 always has a right tightening force on the plugging ball 9, thereby improving the plugging and sealing effect and reducing the air leakage risk in the plugging process.

In the utility model, a first through hole is arranged on the inner wall of the left side of a tank body 1, the inner wall of the first through hole is fixedly connected with the outer wall of an air inlet pipe 2, a second through hole communicated with the inside of the tank body 1 is arranged at the central position of the top of the tank body 1, the inner wall of the second through hole is fixedly connected with the outer wall of an air pressure detection probe 8, a third through hole is arranged on the inner wall of the right side of the tank body 1, the inner wall of the third through hole is fixedly connected with the outer wall of an exhaust pipe 7, an arc-shaped structure on the exhaust pipe 7 is in movable contact with the outer side of a blocking ball 9, a T-shaped sliding groove with two open sides is arranged on the top of a second guide block 16, the T-shaped sliding rail is in sliding contact with the outer wall of a sliding rail 15, a fourth through hole is arranged on the top of the exhaust pipe 7, a sealing bearing is fixedly arranged inside the fourth through hole, an inner ring of the sealing bearing is fixedly sleeved on the outer side of an output shaft of a band-type brake motor 6, a guide groove 11 is arranged on the inner wall of the top of a rectangular groove, the left side of the top of the connecting rod 17 is fixedly provided with the first guide block 12 which is in sliding contact with the inner wall of the guide groove 11, and the right side of the first guide block 12 is in movable contact with the inner wall of the right side of the guide groove 11.

The working principle is as follows: when the gas pressure sensor is used, the gas pressure sensor 4 is started, the gas inlet pipe 2 is communicated with an external natural gas transmission pipeline through the corresponding flange 3, the gas exhaust pipe 7 is connected with an external standby tank through the corresponding flange 3, when the gas is exhausted, natural gas in the natural gas transmission pipeline enters the tank body 1 through the gas exhaust pipe 2 and the one-way valve, the tank body 1 recovers the natural gas, the gas pressure in the tank body 1 is gradually increased along with the entering of the natural gas, meanwhile, the gas pressure detection probe 8 on the gas pressure sensor 4 detects the gas pressure in the tank body 1, the detected value is displayed through the gas pressure sensor 4, when the gas pressure value in the tank body 1 exceeds a preset value, the gas pressure sensor 4 transmits a signal to the controller, the controller controls the band-type brake motor 6 to be started in the forward direction, the band-type brake motor 6 drives the rotating shaft 13 to rotate, the rotating shaft 13 drives the gear 19 to rotate, the gear 19 rotates to drive the rack 18 engaged with the gear to move leftwards, the rack 18 drives the connecting rod 17 to move leftwards, meanwhile, the connecting rod 17 drives the second guide block 16 to move leftwards, the second guide block 16 linearly slides leftwards on the surface of the sliding rail 15, the connecting rod 17 drives the first guide block 12 to slide in the guide groove 11, the connecting rod 17 gradually loosens the elasticity of the extension spring 10 while moving leftwards, the blocking ball 9 is pushed by the extension spring 10 to move leftwards, the blocking ball 9 is separated leftwards from the left side of the exhaust pipe 7, at the moment, the gas in the tank body 1 is discharged from the exhaust pipe 7 to a standby tank through a gap between the blocking ball 9 and the exhaust pipe 7, along with the discharge of the gas, the gas pressure in the tank body 1 is gradually reduced, when the gas pressure detection probe 8 on the gas pressure sensor 4 detects that the gas pressure in the tank body 1 is lower than a preset value, the gas pressure sensor 4 transmits a signal to the controller to control the brake motor 6 to reversely start, similarly, the motion process of the brake motor 6 is opposite to the motion process of the forward-starting brake motor, so that the connecting rod 17 is changed into moving rightwards, the connecting rod 17 drives the blocking ball 9 to move rightwards through the extension spring 10 while moving rightwards, when the blocking ball 9 moves rightwards to be in contact with the left side of the exhaust pipe 7, the blocking ball 9 blocks the exhaust pipe 7 to limit the continuous movement of the blocking ball 9, the connecting rod 17 continues moving rightwards and stretches the extension spring 10, the connecting rod 17 limits the continuous movement of the connecting rod 17 when driving the first guide block 12 to move to be in contact with the inner wall of the right side of the guide groove 11, at the moment, under the action of the extension spring 10, the extension spring 10 always has a rightward tightening force on the blocking ball 9, so that the left side of the blocking ball 9 and the exhaust pipe 7 are tightly attached, the blocking and sealing effect is improved, the air leakage risk in the blocking process is reduced, and the pressure is conveniently released in time when the pressure inside the tank body 1 is larger, thereby effectually reduced because of the inside atmospheric pressure of the jar body 1 causes the phenomenon of explosion when too big, reduces the potential safety hazard, and extension spring 10's setting for extension spring 10 exists a right tension force all the time to shutoff ball 9, improves the sealed effect of shutoff, reduces the gas leakage risk of shutoff in-process.

In the description of the present application, it should be further noted that, unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may include, for example, a fixed connection, a detachable connection, an integral connection, a mechanical connection, an electrical connection, a direct connection, a connection through an intermediate medium, and a connection between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art according to specific circumstances.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. The gas storage tank for natural gas emptying recovery comprises a tank body (1) with supporting legs at the bottom, and is characterized in that a controller is fixedly mounted on the tank body (1), a battery box (5) is fixedly mounted on the right side of the top of the tank body (1), the battery box (5) is electrically connected with the controller through a wire, a battery pack is mounted inside the battery box (5), an air inlet pipe (2) communicated with the inside of the tank body (1) is fixedly mounted on the left side of the tank body (1), a check valve arranged at the right side for an outlet is fixedly mounted in the air inlet pipe (2), an exhaust pipe (7) communicated with the inside of the tank body (1) is fixedly mounted on the right side of the tank body (1), a flange plate (3) is fixedly mounted at one end, far away from the air inlet pipe (2) and the exhaust pipe (7), and a pressure sensor (4) is fixedly mounted at the center position of the top of the tank body (1), atmospheric pressure sensor (4) passes through wire and battery case (5) and controller electric connection, the bottom of atmospheric pressure sensor (4) is equipped with atmospheric pressure test probe (8), and the bottom of atmospheric pressure test probe (8) extends to the inside of jar body (1), the right side fixed mounting of the jar body (1) above blast pipe (7) has band-type brake motor (6), band-type brake motor (6) and battery case (5) electric connection, and band-type brake motor (6) passes through wire and controller electric connection, the output shaft bottom of band-type brake motor (6) extends to in blast pipe (7) and fixed mounting has axis of rotation (13), blast pipe (7) sealed rotation cover is established on the output shaft of band-type brake motor (6), the bottom fixed mounting of axis of rotation (13) has gear (19), the inside left side of blast pipe (7) sets up to arc structure and movable sleeve is equipped with shutoff ball (9), the right side of the plugging ball (9) is provided with a rectangular groove, a connecting rod (17) is sleeved in the rectangular groove in a sliding manner, a left end of the connecting rod (17) is fixedly connected with an extension spring (10) in a stretching state, the left end of the extension spring (10) is fixedly connected with the left inner wall of the rectangular groove, the front side of the connecting rod (17) is fixed with a rack (18), the rack (18) is positioned at the rear side of a gear (19) and is meshed with the gear (19), the inner wall above the exhaust pipe (7) is fixed with a U-shaped seat (14), sliding rails (15) are fixedly installed on the inner walls of the two sides of the U-shaped seat (14), a second guide block (16) is sleeved on the sliding rails (15), the bottom of the second guide block (16) is fixedly connected with the right side of the top of the connecting rod (17), a first through hole is formed in the inner wall of the left side of the tank body (1), and the inner wall of the first through hole is fixedly connected with the outer wall of the intake pipe (2), the center position department at jar body (1) top sets up the second through-hole rather than inside being linked together, and the inner wall of second through-hole and the outer wall fixed connection of atmospheric pressure test probe (8).

2. The gas storage tank for natural gas emptying recovery according to claim 1, characterized in that a third through hole is formed on the inner wall of the right side of the tank body (1), and the inner wall of the third through hole is fixedly connected with the outer wall of the exhaust pipe (7).

3. The gas storage tank for natural gas emptying recovery according to the claim 1, characterized in that the arc structure on the gas exhaust pipe (7) is in movable contact with the outer side of the blocking ball (9).

4. The gas storage tank for natural gas emptying recovery according to claim 1, wherein the top of the second guide block (16) is provided with a T-shaped sliding groove with two open sides, and the T-shaped sliding rail is in sliding contact with the outer wall of the sliding rail (15).

5. The gas storage tank for natural gas emptying recovery according to claim 1, wherein a fourth through hole is formed in the top of the exhaust pipe (7), a sealing bearing is fixedly installed inside the fourth through hole, and an inner ring of the sealing bearing is fixedly sleeved with the outer side of an output shaft of the band-type brake motor (6).

6. The gas storage tank for natural gas emptying recovery according to claim 1, characterized in that a guide groove (11) is formed on the inner wall of the top of the rectangular groove, a first guide block (12) in sliding contact with the inner wall of the guide groove (11) is fixed on the left side of the top of the connecting rod (17), and the right side of the first guide block (12) is in movable contact with the inner wall of the right side of the guide groove (11).