CN219640039U

CN219640039U - Pressure controller for acetylene gas filling process

Info

Publication number: CN219640039U
Application number: CN202223429751.4U
Authority: CN
Inventors: 鲁侠; 鲁一锋; 邓小波; 刘光继; 赵顺萍
Original assignee: Yunnan Anfeng Gas Co ltd
Current assignee: Yunnan Anfeng Gas Co ltd
Priority date: 2022-12-21
Filing date: 2022-12-21
Publication date: 2023-09-05
Anticipated expiration: 2032-12-21

Abstract

The utility model relates to the technical field of pressure controllers, in particular to a pressure controller in the acetylene gas filling process, which comprises a shell, wherein a gas passing bin is arranged in the shell, a gas inlet cavity, a gas outlet cavity and a gas channel are respectively arranged in the gas passing bin from top to bottom, gaps are reserved between the outer wall of the gas passing bin and the inner wall of the shell, a gas pressure sensor is arranged in the shell and the gas inlet cavity, and a sealing plug for blocking the gas channel is arranged in the gas passing bin; according to the utility model, the negative pressure pumps are arranged on the two connecting pipes positioned on the side edges, so that the air pressure in the acetylene storage tank can be regulated by the negative pressure pumps, the air pressure in the acetylene storage tank is further controlled, the air pressure in the acetylene storage tank is prevented from being too high, and the risk in the transportation process is reduced.

Description

Pressure controller for acetylene gas filling process

Technical Field

The utility model relates to the technical field of pressure controllers, in particular to a pressure controller for an acetylene gas filling process.

Background

Acetylene is the simplest alkyne compound, a colorless, extremely flammable gas at room temperature, and is mainly used for lighting, welding, rubber synthesis, and the like. Acetylene is slightly soluble in water, in ethanol, acetone and the like, has very active chemical properties, can react in addition, oxidation and the like, and has the danger of violent explosion under liquid and solid states or under gas states and certain pressure.

In the prior art, a pressure controller is used to control the pressure in the storage tank, and in the actual use process, because the gas filling speed is difficult to control, the storage tank is inevitably filled with excessive acetylene gas in the actual inflation, so that the pressure in the storage tank is too high, and the pressure controller cannot pump the gas in the storage tank back to the original gas collection tank, so that the gas pressure in the storage tank is reduced, and the transportation risk of the storage tank is increased. In view of this, we propose a pressure controller for an acetylene gas filling process.

Disclosure of Invention

In order to make up for the defects, the utility model provides a pressure controller for an acetylene gas filling process.

The technical scheme of the utility model is as follows:

the pressure controller comprises a shell, wherein an air passing bin is arranged in the shell, an air inlet cavity, an air outlet cavity and an air channel are respectively arranged in the air passing bin from top to bottom, gaps are reserved between the outer wall of the air passing bin and the inner wall of the shell, a gas pressure sensor is arranged in the shell and the air inlet cavity, and a sealing plug for blocking the air channel is arranged in the air passing bin; two connecting pipes are arranged on the outer wall of one side of the shell and the bottom, the two connecting pipes positioned on the side are respectively communicated with the inside of the shell and the inside of the air inlet cavity, the two connecting pipes positioned on the bottom are respectively communicated with the air channel and the inside of the shell, and a negative pressure pump is arranged on the two connecting pipes positioned on the side.

As a preferred technical solution, the top of the sealing plug is provided with a connecting ring, and the connecting ring is provided with a driving rod extending from the top of the housing.

As the preferable technical scheme, the top of the shell is rotationally connected with a knob, and the inner wall of the knob is in threaded connection with the outer wall of the driving rod.

As the preferable technical scheme, shell rear side outer wall fixedly connected with connecting block, connecting block keeps away from shell one side outer wall and is fixed with a mounting panel, a mounting hole has all been seted up to mounting panel four corners department.

As the preferable technical scheme, the outer wall of the front side of the shell is provided with a display screen, and two gas pressure sensors are connected with the display screen through a singlechip.

As the preferable technical scheme, a gap with the same length is formed on the outer wall of the driving rod, and a lug which is in sliding connection with the inner wall of the gap is arranged at the perforation position of the top of the shell, through which the driving rod penetrates.

As a preferred technical solution, the sealing plug is in the shape of a top.

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

according to the utility model, the negative pressure pumps are arranged on the two connecting pipes positioned on the side edges, so that the air pressure in the acetylene storage tank can be regulated by the negative pressure pumps, the air pressure in the acetylene storage tank is further controlled, the air pressure in the acetylene storage tank is prevented from being too high, and the risk in the transportation process is reduced.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic view of the internal structure of the housing according to the present utility model;

fig. 3 is a schematic view of the structure of the sealing plug according to the utility model.

The meaning of each reference numeral in the figures is:

1. a housing; 10. a display screen; 2. a connecting pipe; 3. a connecting block; 30. a mounting plate; 31. a mounting hole; 4. a gas pressure sensor; 5. a driving rod; 50. a notch; 51. a knob; 52. a sealing plug; 520. a connecting ring; 6. passing through an air bin; 60. an air inlet cavity; 61. an air outlet cavity; 62. a gas channel; 7. a negative pressure pump.

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. 1-3, the present utility model provides a technical solution:

the pressure controller in the acetylene gas filling process comprises a shell 1, wherein a gas passing bin 6 is arranged in the shell 1, a gas inlet cavity 60, a gas outlet cavity 61 and a gas channel 62 are respectively arranged in the gas passing bin 6 from top to bottom, gaps are reserved between the outer wall of the gas passing bin 6 and the inner wall of the shell 1, a gas pressure sensor 4 is arranged in the shell 1 and the gas inlet cavity 60, and a sealing plug 52 for blocking the gas channel 62 is arranged in the gas passing bin 6; two connecting pipes 2 are installed on the outer wall of one side of the shell 1 and the bottom, the two connecting pipes 2 positioned on the side are respectively communicated with the inside of the shell 1 and the inside of the air inlet cavity 60, the two connecting pipes 2 positioned on the bottom are respectively communicated with the inside of the gas channel 62 and the shell 1, and a negative pressure pump 7 is installed on the two connecting pipes 2 positioned on the side.

Through all installing a negative pressure pump 7 on two connecting pipes 2 that are located the side, can adjust the atmospheric pressure in the acetylene storage tank through negative pressure pump 7, and then control the inside atmospheric pressure of acetylene storage tank, prevent that the inside atmospheric pressure of acetylene storage tank from being too high, reduce the risk in the transportation.

Preferably, in this embodiment, a connecting ring 520 is mounted on top of the sealing plug 52, and a driving rod 5 extending from the top of the housing 1 is mounted on the connecting ring 520. The sealing plug 52 can be driven to move up and down by the driving rod 5, so that the opening and closing of the gas channel 62 are realized.

Preferably, in this embodiment, a knob 51 is rotatably connected to the top of the housing 1, and the inner wall of the knob 51 is screwed to the outer wall of the driving rod 5. That is, the height of the driving rod 5 can be adjusted by turning the knob 51, and further, the height of the sealing plug 52 can be adjusted, and it should be noted that the knob 51 and the driving rod 5 do not rotate relatively when in use.

As a preference of this embodiment, a connecting block 3 is fixedly connected to the outer wall of the rear side of the housing 1, a mounting plate 30 is fixed to the outer wall of the connecting block 3 on the side far away from the housing 1, and mounting holes 31 are formed at four corners of the mounting plate 30. The fixing of the whole device is facilitated by the connecting block 3 and the mounting plate 30.

As a preference of this embodiment, the front outer wall of the housing 1 is provided with a display screen 10, and the two gas pressure sensors 4 are connected with the display screen 10 through a single-chip microcomputer. I.e. the indication of the two gas pressure sensors 4 can be displayed by means of the display screen 10.

Preferably, in this embodiment, the outer wall of the driving rod 5 is provided with a notch 50 with the same length as the outer wall, and the top of the housing 1 is provided with a protruding block in sliding connection with the inner wall of the notch 50 at the position of the through hole for the driving rod 5 to penetrate. This arrangement can limit the rotation of the driving lever 5, facilitating the use of the knob 51.

Preferably, the sealing plug 52 is in the shape of a top. The sealing plug 52 may be enabled to fit the use of the air outlet cavity 61 and the air passage 62.

When the pressure controller in the acetylene gas filling process is used, firstly, two connecting pipes 2 positioned at the side are communicated with the inside of an acetylene collection tank through acetylene conveying pipelines, the connecting pipe 2 communicated with a gas channel 62 is communicated with an air inlet of an acetylene storage tank through the acetylene conveying pipelines, the connecting pipe 2 positioned at the bottom of a shell 1 and communicated with the inside of the shell 1 is communicated with an air outlet of the acetylene storage tank through the acetylene conveying pipelines, and an air outlet valve is required to be opened during inflation; then, a negative pressure pump 7 on a connecting pipe 2 communicated with an air inlet cavity 60 is started to send the gas in the acetylene collection tank into the acetylene storage tank through an acetylene conveying pipeline and an air passing bin 6, and at the moment, the interior of the acetylene storage tank is communicated with the interior of the shell 1 through the acetylene conveying pipeline and the connecting pipe 2, namely, the internal air pressure of the acetylene storage tank can be monitored in real time through a gas pressure sensor 4 positioned in the shell 1;

when the pressure inside the acetylene storage tank is monitored to be greater than the safe highest pressure, the knob 51 is rotated, the sealing plug 52 is driven to move downwards through the knob 51, the gas channel 62 is sealed, the negative pressure pump 7 on the connecting pipe 2 communicated with the air inlet cavity 60 is closed, then the negative pressure pump 7 on the connecting pipe 2 communicated with the inside of the shell 1 is started, and the gas inside the acetylene storage tank is pumped back to the acetylene storage tank through the negative pressure pump 7 so as to reduce the gas pressure inside the acetylene storage tank, so that the gas pressure inside the acetylene storage tank is stabilized within a safe gas pressure range, and the safety of acetylene gas transportation is ensured; the gas pressure sensor 4 arranged in the air inlet cavity 60 is used for detecting the gas pressure during inflation, comparing the gas pressure sensor 4 positioned in the shell 1, and the connection of the acetylene delivery pipeline and the connecting pipe 2 adopts interference fit.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the above-described embodiments, and that the above-described embodiments and descriptions are only preferred embodiments of the present utility model, and are not intended to limit the utility model, and that various changes and modifications may be made therein without departing from the spirit and scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. A pressure controller for an acetylene gas filling process, comprising a housing (1), characterized in that: the gas passing bin (6) is arranged in the shell (1), the gas passing bin (6) is internally provided with a gas inlet cavity (60), a gas outlet cavity (61) and a gas channel (62) from top to bottom, gaps are reserved between the outer wall of the gas passing bin (6) and the inner wall of the shell (1), the gas pressure sensors (4) are respectively arranged in the shell (1) and the gas inlet cavity (60), and a sealing plug (52) for blocking the gas channel (62) is arranged in the gas passing bin (6); two connecting pipes (2) are installed on the outer wall of one side of the shell (1) and the bottom, the two connecting pipes (2) located on the side are respectively communicated with the inside of the shell (1) and the inside of the air inlet cavity (60), the two connecting pipes (2) located on the bottom are respectively communicated with the inside of the gas channel (62) and the shell (1), and a negative pressure pump (7) is installed on the two connecting pipes (2) located on the side.

2. The pressure controller for an acetylene gas filling process according to claim 1, wherein: a connecting ring (520) is arranged on the top of the sealing plug (52), and a driving rod (5) extending out of the top of the shell (1) is arranged on the connecting ring (520).

3. The pressure controller of the acetylene gas filling process according to claim 2, wherein: the top of the shell (1) is rotationally connected with a knob (51), and the inner wall of the knob (51) is in threaded connection with the outer wall of the driving rod (5).

4. The pressure controller for an acetylene gas filling process according to claim 1, wherein: the connecting block is characterized in that the connecting block (3) is fixedly connected to the outer wall of the rear side of the shell (1), a mounting plate (30) is fixed to the outer wall of one side, far away from the shell (1), of the connecting block (3), and mounting holes (31) are formed in four corners of the mounting plate (30).

5. The pressure controller for an acetylene gas filling process according to claim 1, wherein: the outer wall of the front side of the shell (1) is provided with a display screen (10), and the two gas pressure sensors (4) are connected with the display screen (10) through a singlechip.

6. A pressure controller for an acetylene gas filling process according to claim 3, wherein: the outer wall of the driving rod (5) is provided with a notch (50) with the same length as the driving rod, and a lug which is connected with the inner wall of the notch (50) in a sliding way is arranged at a perforation position of the top of the shell (1) for the driving rod (5) to penetrate.

7. The pressure controller for an acetylene gas filling process according to claim 1, wherein: the sealing plug (52) is in a gyro shape.