CN114992518B - Movable diffusing and pressure stabilizing device for gas-carrying operation and application method thereof - Google Patents
Movable diffusing and pressure stabilizing device for gas-carrying operation and application method thereof Download PDFInfo
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- CN114992518B CN114992518B CN202210696130.8A CN202210696130A CN114992518B CN 114992518 B CN114992518 B CN 114992518B CN 202210696130 A CN202210696130 A CN 202210696130A CN 114992518 B CN114992518 B CN 114992518B
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D1/00—Pipe-line systems
- F17D1/02—Pipe-line systems for gases or vapours
- F17D1/04—Pipe-line systems for gases or vapours for distribution of gas
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D3/00—Arrangements for supervising or controlling working operations
- F17D3/01—Arrangements for supervising or controlling working operations for controlling, signalling, or supervising the conveyance of a product
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D5/00—Protection or supervision of installations
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/30—Use of alternative fuels, e.g. biofuels
Abstract
The invention discloses a movable diffusing pressure stabilizing device for gas carrying operation, which comprises a base, a first transverse pipe, a second transverse pipe, a first vertical pipe, a second vertical pipe, a first metal hose and a second metal hose, wherein the two metal hoses are respectively arranged at two ends of the first transverse pipe, two vertical pipes are arranged at the top of the first transverse pipe and are communicated with the first transverse pipe, the second transverse pipe is arranged between the two vertical pipes, a first valve is arranged in the middle of the first transverse pipe, a second valve and a third valve are arranged on the second transverse pipe, a fourth valve and a fifth valve are respectively arranged on the two vertical pipes, and a first pressure sensor is arranged on the second vertical pipe. The invention also discloses a use method of the movable diffusing and stabilizing device for the gas-carrying operation. The movable air-carrying operation diffusing and stabilizing device is safe to use, simple and efficient to operate and a using method thereof.
Description
Technical Field
The invention relates to the field of urban pipeline natural gas transportation, in particular to a movable diffusing and pressure stabilizing device for gas carrying operation and a use method thereof.
Background
Urban gas pipelines are long in operation and are easy to be corroded and perforated, or pipelines are broken, welding seams are broken or certain human factors are damaged due to geological changes, so that the pipelines need to be repaired.
In order not to influence normal operation of a user in the rush-repair process, gas-carrying operation repair is usually adopted, namely, when the gas pressure in a pipeline is diffused and reduced to 200-500Pa, connection line cutting and welding are carried out, for diffusing a medium-pressure pipeline without a pressure regulating box nearby, three workers are required to carry equipment such as a tripod, a ventilation instrument and concentration detection into a sluice well, the gas pressure of the operating pipeline is regulated and diffused through a first sluice well diffusion valve and a second sluice well diffusion valve (the first sluice well diffusion valve is communicated with a gas source pipe section of the gas pipeline, and the second sluice well diffusion valve is communicated with the operating pipe section of the gas pipeline), and in addition, because the sluice well is a limited space, if a protective measure is not in place, the workers can regulate the pressure and diffuse in the limited space for a long time, and certain potential safety hazards can be generated.
Disclosure of Invention
The invention aims to solve the technical problem of providing a movable gas-carrying operation diffusing and stabilizing device which is safe to use, simple and efficient to operate and a use method thereof.
The invention discloses a movable pressure stabilizing device for air-carrying operation, which comprises a base, a first transverse pipe, a second transverse pipe, a first vertical pipe, a second vertical pipe, a first metal hose and a second metal hose, wherein the first transverse pipe is fixedly arranged on the ground through the base, the pipe diameter of the first transverse pipe is larger than that of the second transverse pipe, the first metal hose and the second metal hose are respectively arranged at the two ends of the first transverse pipe, the top of the first transverse pipe is vertically provided with the first vertical pipe and the second vertical pipe, the first vertical pipe and the second vertical pipe are respectively arranged near the two ends of the first transverse pipe, the first vertical pipe and the second vertical pipe are respectively communicated with the first transverse pipe, the second vertical pipe and the second transverse pipe are respectively communicated with the second transverse pipe, the first vertical pipe and the second transverse pipe are respectively arranged at the two ends of the first transverse pipe, the second vertical pipe and the second transverse pipe are respectively communicated with the first vertical pipe, the second vertical pipe and the second vertical pipe are respectively arranged at the two ends of the second transverse pipe, the first vertical pipe and the second vertical pipe are respectively communicated with the second vertical pipe, the second vertical pipe and the second vertical pipe are respectively, the first vertical pipe and the second vertical pipe are respectively arranged at the first vertical pipe and the second vertical pipe, the second vertical pipe and the second vertical pipe are respectively, the second vertical pipe and the second vertical pipe are respectively.
The base comprises a first connecting rod, a second connecting rod and two third connecting rods, wherein the first connecting rod is parallel to the second connecting rod and is arranged at intervals, the two third connecting rods are parallel to each other and are arranged at intervals, the two third connecting rods are positioned between the first connecting rod and the second connecting rod, one ends of the two third connecting rods are fixedly connected with the first connecting rod, the other ends of the two third connecting rods are fixedly connected with the second connecting rod, the first transverse tube is positioned above the first connecting rod, the second connecting rod and the two third connecting rods, the central connecting lines of the first connecting rod and the second connecting rod are parallel to the axis of the first transverse tube, inclined rods are respectively arranged at two sides of the first transverse tube, the lower ends of the inclined rods are fixedly connected with the third connecting rods, and the upper ends of the inclined rods are inclined towards the first transverse tube and are fixedly connected with the outer wall surface of the first transverse tube.
The invention relates to a movable diffusing pressure stabilizing device for gas-carrying operation, wherein a first flowmeter is arranged on a second vertical pipe between a fifth valve and a first transverse pipe, and the first flowmeter is positioned above the communication position of the second vertical pipe and the second transverse pipe.
The movable diffusing and stabilizing device for the gas-carrying operation comprises a first vertical pipe, a second pressure sensor and a second flowmeter, wherein the first vertical pipe is arranged between the fourth valve and the first transverse pipe, the second flowmeter is positioned above the communication position of the first vertical pipe and the second transverse pipe, and the second pressure sensor is electrically connected with a controller.
The application method of the movable air-carrying operation diffusing and stabilizing device comprises the following steps:
one end of the first transverse pipe is connected with a second sluice well relief valve at one side of a sluice well main valve through a second metal hose, and the other end of the first transverse pipe is connected with the first sluice well relief valve at the other side of the sluice well main valve through the first metal hose;
closing a main valve of the sluice well, opening a first sluice well diffusion valve, enabling a first metal hose to be communicated with an air source pipe section of the gas pipeline through the first sluice well diffusion valve, and opening a second sluice well diffusion valve, enabling a second metal hose to be communicated with an operation pipe section of the gas pipeline through the second sluice well diffusion valve;
and closing the fourth valve, opening the first valve, the second valve, the third valve and the fifth valve, diffusing the gas pressure of the operation pipe section, closing the first valve and the fifth valve when the gas pressure of the operation pipe section is reduced to 200-500Pa, and maintaining the gas pressure of the operation pipe section at 200-500Pa by adjusting the opening degree of the second valve and the third valve and the opening and closing of the first valve and the fifth valve.
The application method of the movable gas-carrying operation diffusing pressure stabilizing device comprises the following specific steps of:
when the gas pressure of the working pipe section is larger than a first threshold value and smaller than 200Pa or larger than 500Pa and smaller than a second threshold value, the first valve and the fifth valve are kept in a closed state, and then the opening degree of the second valve and the opening degree of the third valve are adjusted to enable the gas pressure of the working pipe section to be maintained at 200-500Pa;
when the gas pressure of the operation pipe section is smaller than a first threshold value, the fifth valve is kept in a closed state, then the first valve is opened, when the gas pressure of the operation pipe section is 200-500Pa, the first valve is closed, and the gas pressure of the operation pipe section is maintained at 200-500Pa by adjusting the opening of the second valve and the opening of the third valve;
when the gas pressure of the operation pipe section is larger than a second threshold value, the first valve and the fifth valve are opened to diffuse the gas pressure of the operation pipe section, when the gas pressure of the operation pipe section is 200-500Pa, the first valve and the fifth valve are closed, and the gas pressure of the operation pipe section is maintained at 200-500Pa by adjusting the opening of the second valve and the third valve.
The movable gas-carrying operation diffusing pressure stabilizing device and the use method thereof are different from the prior art in that the movable gas-carrying operation diffusing pressure stabilizing device is placed on the ground outside a sluice well when in use, then is connected with diffusing valves on two sides of a main valve of the sluice well through a metal hose, and closes the main valve of the sluice well, so that only one worker can maintain the gas pressure of an operation pipe section at 200-500Pa on the ground by adjusting the opening degree of a second valve and a third valve and the opening and closing degree of a first valve, a fourth valve and a fifth valve outside the sluice well, and the joint line and welding operation of the operation pipe section are realized under the condition of meeting the gas requirement of a user.
The invention is further described below with reference to the accompanying drawings.
Drawings
FIG. 1 is a schematic diagram of a movable air-entrained operation diffusing and stabilizing device (concealing a first metal hose and a second metal hose) according to the present invention;
FIG. 2 is a diagram showing the usage state of the movable air-entrained operation diffusing and stabilizing device according to the present invention.
Detailed Description
As shown in fig. 1 and 2, the movable air-carrying operation diffusing and stabilizing device in the invention comprises a base, a first transverse pipe 4, a second transverse pipe 14, a first vertical pipe 1, a second vertical pipe 11, a first metal hose 18 and a second metal hose 19, wherein the first transverse pipe 4 is fixedly arranged on the ground through the base, the pipe diameter of the first transverse pipe 4 is larger than that of the second transverse pipe 14 (namely, the outer diameter of the first transverse pipe 4 is larger than that of the second transverse pipe 14, and the inner diameter of the first transverse pipe 4 is also larger than that of the second transverse pipe 14), the first metal hose 18 and the second metal hose 19 are respectively arranged at two ends of the first transverse pipe 4, the top of the first transverse pipe 4 is vertically provided with the first vertical pipe 1 and the second vertical pipe 11, the first vertical pipe 1 and the second vertical pipe 11 are respectively arranged near two ends of the first transverse pipe 4, the first vertical pipe 1 and the second vertical pipe 11 are arranged in parallel, the first vertical pipe 1 and the second vertical pipe 11 are communicated with the first transverse pipe 4, the second transverse pipe 14 is positioned between the first vertical pipe 1 and the second vertical pipe 11, two ends of the second transverse pipe 14 are respectively and vertically connected with the first vertical pipe 1 and the second vertical pipe 11, the first vertical pipe 1 and the second vertical pipe 11 are communicated with the second transverse pipe 14, a first valve 16 is arranged in the middle of the first transverse pipe 4, a second valve 13 and a third valve 15 which are arranged at intervals are arranged on the second transverse pipe 14, the third valve 15 is positioned between the second valve 13 and the second vertical pipe 11, a fourth valve 2 is arranged on the first vertical pipe 1, the fourth valve 2 is positioned above the communication position of the first vertical pipe 1 and the second transverse pipe 14, a fifth valve 10 is arranged on the second vertical pipe 11 and above the communication position of the second vertical pipe 11, the first valve 16, the second valve 13 and the third valve 15 are electromagnetic valves, a first pressure sensor 9 is arranged on the second vertical pipe 11 between the fifth valve 10 and the first transverse pipe 4, and the first valve 16, the second valve 13, the third valve 15 and the first pressure sensor 9 are all electrically connected with a controller (not shown in the figure).
In this embodiment, the first pressure sensor 9 is located above where the second standpipe 11 communicates with the second cross pipe 14.
As shown in fig. 1, and in combination with fig. 2, the base in this embodiment includes a first connecting rod 5, a second connecting rod 7 and two third connecting rods 6, the first connecting rod 5 is parallel to and spaced from the second connecting rod 7, the two third connecting rods 6 are parallel to and spaced from each other, the two third connecting rods 6 are located between the first connecting rod 5 and the second connecting rod 7, one ends of the two third connecting rods 6 are fixedly connected with the first connecting rod 5, the other ends of the two third connecting rods 6 are fixedly connected with the second connecting rod 7, the first transverse tube 4 is located above the first connecting rod 5, the second connecting rod 7 and the two third connecting rods 6, the central connecting lines of the first connecting rod 5 and the second connecting rod 7 are parallel to the axis of the first transverse tube 4, two sides of the first transverse tube 4 are respectively provided with an inclined rod 17, the lower end of the inclined rod 17 is fixedly connected with the third connecting rod 6, and the upper end of the inclined rod 17 is inclined towards the first transverse tube 4 and is fixedly connected with the outer wall surface of the first transverse tube 4. In the present invention, the base may have other structures as long as the base can firmly and stably fix the first cross pipe 4 on the ground.
In this embodiment, two inclined rods 17 are respectively disposed on two sides of the first transverse tube 4, and the inclined rods 17 are used for supporting and fixing the first transverse tube 4 on the base.
In this embodiment, a first flowmeter 8 is disposed on a second standpipe 11 between the fifth valve 10 and the first transverse pipe 4, and the first flowmeter 8 is located above a position where the second standpipe 11 communicates with the second transverse pipe 4. The first flowmeter 8 is used for recording the discharge amount of methane, providing a basis for further accounting the methane discharge factor in the pipe network rush repair operation process, and providing a certain basis for purchase and sale difference accounting.
In this embodiment, a second pressure sensor 12 and a second flowmeter 3 are disposed on the first standpipe 1 between the fourth valve 2 and the first transverse pipe 4, the second pressure sensor 12 and the second flowmeter 3 are both located above the communication position between the first standpipe 1 and the second transverse pipe 4, and the second pressure sensor 12 is electrically connected with the controller.
The first use mode of the embodiment is that the first metal hose 18 is connected with the gas source pipe section of the gas pipeline through the first sluice well diffusing valve 20, the second metal hose 19 is connected with the operation pipe section of the gas pipeline through the second sluice well diffusing valve 23, and at this time, the use method of the movable gas-carrying operation diffusing pressure stabilizing device comprises the following steps:
one end of the first transverse pipe 4 is connected with a second sluice well relief valve 23 at one side of a sluice well main valve 21 through a second metal hose 19, and the other end of the first transverse pipe 4 is connected with a first sluice well relief valve 20 at the other side of the sluice well main valve 21 through a first metal hose 18;
closing a main gate valve 21 of the gate, opening a first gate diffusion valve 20, enabling a first metal hose 18 to be communicated with a gas source pipe section of a gas pipeline through the first gate diffusion valve 20, opening a second gate diffusion valve 23, and enabling a second metal hose 19 to be communicated with a working pipe section of the gas pipeline through the second gate diffusion valve 23;
the fourth valve 2 is closed, the first valve 16, the second valve 13, the third valve 15 and the fifth valve 10 are opened, the gas pressure of the operation pipe section is diffused, when the gas pressure of the operation pipe section is reduced to 200-500Pa, the first valve 16 and the fifth valve 10 are closed, and the gas pressure of the operation pipe section is maintained at 200-500Pa by adjusting the opening degree of the second valve 13 and the third valve 15 and the opening and closing degree of the first valve 16 and the fifth valve 10.
The specific steps of maintaining the gas pressure of the working pipe section at 200-500Pa by adjusting the opening degree of the second valve 13 and the third valve 15 and the opening and closing degree of the first valve 16 and the fifth valve 10 are as follows:
when the gas pressure of the working pipe section is greater than the first threshold value and less than 200Pa or greater than 500Pa and less than the second threshold value, keeping the first valve 16 and the fifth valve 10 in a closed state, and then maintaining the gas pressure of the working pipe section at 200-500Pa by adjusting the opening degrees of the second valve 13 and the third valve 15;
when the gas pressure of the working pipe section is smaller than a first threshold value, the fifth valve 10 is kept in a closed state, then the first valve 16 is opened, when the gas pressure of the working pipe section is 200-500Pa, the first valve 16 is closed, and the gas pressure of the working pipe section is kept at 200-500Pa by adjusting the opening degree of the second valve 13 and the third valve 15;
when the gas pressure of the working pipe section is greater than the second threshold value, the first valve 16 and the fifth valve 10 are opened to diffuse the gas pressure of the working pipe section, when the gas pressure of the working pipe section is 200-500Pa, the first valve 16 and the fifth valve 10 are closed, and the gas pressure of the working pipe section is maintained at 200-500Pa by adjusting the opening degree of the second valve 13 and the third valve 15.
In the present invention, the gas pressure of the working pipe section is fine-tuned by the second valve 13 and the third valve 15, and the gas pressure of the working pipe section is coarse-tuned by the first valve 16. The first threshold is smaller than 200Pa, the second threshold is larger than 500Pa, and the specific values of the first threshold and the second threshold can be determined by staff according to actual conditions.
The first pressure sensor 9 in the use mode transmits the gas pressure signal of the operation pipe section of the gas pipeline to the controller, and the controller receives the gas pressure signal of the operation pipe section of the gas pipeline and then controls the opening degrees of the first valve 16, the second valve 13 and the third valve 15 after analysis processing so as to maintain the gas pressure of the operation pipe section at 200-500Pa. The first pressure sensor 9 is used for measuring the gas pressure of the working pipe section of the gas pipeline, and a worker manually opens or closes the fifth valve 10 according to the measured gas pressure of the working pipe section. The fourth valve 2 is constructed identically to the fifth valve 10, and is also opened or closed manually. The fourth valve 2 and the fifth valve 10 may be manual butterfly valves, although other types of manual valves may be used.
The controller may employ a MCU (Microcontroller Unit) system board, a SoC (system on a chip) system board, or a PLC (Programmable Logic Controller) minimum system including I/O.
Therefore, when the gas pressure regulating valve is used, the movable gas-carrying operation diffusing pressure regulating device is placed on the ground outside the sluice well 24, then is connected with the diffusing valves 20 and 23 on the two sides of the sluice well main valve 21 through the metal hoses 18 and 19, and closes the sluice well main valve 21, so that only one worker can maintain the gas pressure of the operation pipe section at 200-500Pa on the ground by regulating the opening degree of the second valve 13 and the third valve 15 and the opening degree of the first valve 16, the fourth valve 2 and the fifth valve 10 outside the sluice well 24, and the joint line and welding operation of the operation pipe section can be realized under the condition of meeting the gas requirement of the user.
The second usage mode of this embodiment is that the second metal hose 19 is connected to the gas source pipe section of the gas pipeline through the first sluice well relief valve 20, the first metal hose 18 is connected to the working pipe section of the gas pipeline through the second sluice well relief valve 23, at this time, the fifth valve 10 is always in the closed state, and the functions of the fourth valve 2, the second pressure sensor 12 and the second flowmeter 3 are the same as those of the fifth valve 10, the first pressure sensor 9 and the first flowmeter 8 in the first usage mode, respectively. The specific use steps of the movable air-carrying operation diffusing and stabilizing device in the use mode are the same as those in the first use mode, and are not described herein. Under the use mode, the gas pressure of the operation pipe section can be maintained at 200-500Pa by adjusting the opening degree of the second valve 13 and the third valve 15 outside the sluice well 24 and the opening and closing of the first valve 16 and the fourth valve 2, so that the operation pipe section is subjected to the connection line and welding operation under the condition of meeting the gas requirement of a user.
According to the two using modes of the movable type air-carrying operation diffusing and stabilizing device, when in actual use, a worker can decide whether to specifically adopt the first using mode or the second using mode according to the field environment, so that the movable type air-carrying operation diffusing and stabilizing device is more convenient and faster to use.
It should be noted that, the positional or positional relationship indicated by the terms such as "center", "upper", "lower", "front", "rear", "left", "right", "middle", etc. are based on the positional or positional relationship shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the apparatus or element referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "connected," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
The above examples are only illustrative of the preferred embodiments of the present invention and are not intended to limit the scope of the present invention, and various modifications and improvements made by those skilled in the art to the technical solution of the present invention should fall within the scope of protection defined by the claims of the present invention without departing from the spirit of the present invention.
Claims (4)
1. A use method of a movable diffusing and stabilizing device for gas-carrying operation,
the movable pressure stabilizing device comprises a base, a first transverse pipe, a second transverse pipe, a first vertical pipe, a second vertical pipe, a first metal hose and a second metal hose, wherein the first transverse pipe is fixedly arranged on the ground through the base, the pipe diameter of the first transverse pipe is larger than that of the second transverse pipe, the first metal hose and the second metal hose are respectively arranged at the two ends of the first transverse pipe, the top of the first transverse pipe is vertically provided with a first vertical pipe and a second vertical pipe, the first vertical pipe and the second vertical pipe are respectively arranged close to the two ends of the first transverse pipe, the first vertical pipe and the second vertical pipe are arranged in parallel, the first vertical pipe and the second vertical pipe are all communicated with the first transverse pipe, the second transverse pipe is positioned between the first vertical pipe and the second vertical pipe, the two ends of the second transverse pipe are respectively and vertically connected with the first vertical pipe and the second transverse pipe, the middle of the first transverse pipe is provided with a second valve, the second vertical pipe is vertically arranged on the second vertical pipe, the first vertical pipe is electrically connected with a fifth vertical pipe, the second vertical pipe is electrically connected with a fifth vertical pipe, the fifth vertical pipe is arranged on the first vertical pipe and the fifth vertical pipe, the fifth vertical pipe is electrically connected with the fifth vertical pipe, the first vertical pipe and the second vertical pipe and the vertical pipe are respectively,
the using method comprises the following steps:
one end of the first transverse pipe is connected with a second sluice well relief valve at one side of a sluice well main valve through a second metal hose, and the other end of the first transverse pipe is connected with the first sluice well relief valve at the other side of the sluice well main valve through the first metal hose;
closing a main valve of the sluice well, opening a first sluice well diffusion valve, enabling a first metal hose to be communicated with an air source pipe section of the gas pipeline through the first sluice well diffusion valve, and opening a second sluice well diffusion valve, enabling a second metal hose to be communicated with an operation pipe section of the gas pipeline through the second sluice well diffusion valve;
closing the fourth valve, opening the first valve, the second valve, the third valve and the fifth valve, diffusing the gas pressure of the operation pipe section, closing the first valve and the fifth valve when the gas pressure of the operation pipe section is reduced to 200-500Pa, maintaining the gas pressure of the operation pipe section at 200-500Pa by adjusting the opening degree of the second valve and the third valve and the opening and closing of the first valve and the fifth valve,
the specific steps of maintaining the gas pressure of the working pipe section at 200-500Pa by adjusting the opening degree of the second valve and the third valve and the opening and closing of the first valve and the fifth valve are as follows:
when the gas pressure of the working pipe section is larger than a first threshold value and smaller than 200Pa or larger than 500Pa and smaller than a second threshold value, the first valve and the fifth valve are kept in a closed state, and then the opening degree of the second valve and the opening degree of the third valve are adjusted to enable the gas pressure of the working pipe section to be maintained at 200-500Pa;
when the gas pressure of the operation pipe section is smaller than a first threshold value, the fifth valve is kept in a closed state, then the first valve is opened, when the gas pressure of the operation pipe section is 200-500Pa, the first valve is closed, and the gas pressure of the operation pipe section is maintained at 200-500Pa by adjusting the opening of the second valve and the opening of the third valve;
when the gas pressure of the operation pipe section is larger than a second threshold value, the first valve and the fifth valve are opened to diffuse the gas pressure of the operation pipe section, when the gas pressure of the operation pipe section is 200-500Pa, the first valve and the fifth valve are closed, and the gas pressure of the operation pipe section is maintained at 200-500Pa by adjusting the opening of the second valve and the third valve.
2. The method for using the movable air-entrained operation diffusing and stabilizing device according to claim 1, wherein the method comprises the following steps: the base includes head rod, second connecting rod and two third connecting rods, head rod and second connecting rod parallel and interval arrangement, two third connecting rod parallel and interval arrangement, two the third connecting rod all is located between head rod and the second connecting rod, two the one end of third connecting rod all with head rod fixed connection, two the other end of third connecting rod all with second connecting rod fixed connection, the head rod is located the top of head rod, second connecting rod and two third connecting rods, the center connecting wire of head rod and second connecting rod is parallel with the axis of first violently managing, the both sides of first violently managing are provided with the hang lever respectively, the lower extreme of hang lever with third connecting rod fixed connection, the upper end slope of hang lever is towards first violently managing and with the outer wall fixed connection of first violently managing.
3. The method for using the movable air-entrained operation diffusing and stabilizing device according to claim 2, wherein the method comprises the following steps: the second vertical pipe between the fifth valve and the first transverse pipe is provided with a first flowmeter, and the first flowmeter is positioned above the communication position of the second vertical pipe and the second transverse pipe.
4. The method for using the movable air-entrained operation diffusing and stabilizing device according to claim 3, wherein the method comprises the following steps: the first vertical pipe between the fourth valve and the first transverse pipe is provided with a second pressure sensor and a second flowmeter, the second flowmeter is located above the communication position of the first vertical pipe and the second transverse pipe, and the second pressure sensor is electrically connected with the controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210696130.8A CN114992518B (en) | 2022-06-20 | 2022-06-20 | Movable diffusing and pressure stabilizing device for gas-carrying operation and application method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210696130.8A CN114992518B (en) | 2022-06-20 | 2022-06-20 | Movable diffusing and pressure stabilizing device for gas-carrying operation and application method thereof |
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| CN114992518B true CN114992518B (en) | 2023-07-18 |
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| CN117197728B (en) * | 2023-11-07 | 2024-01-23 | 成都千嘉科技股份有限公司 | Method for identifying real-time gas diffusing operation through wearable camera equipment |
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| JP5243917B2 (en) * | 2008-10-15 | 2013-07-24 | 愛知時計電機株式会社 | Gas pressure monitoring device and gas piping network construction method |
| JP5528374B2 (en) * | 2011-03-03 | 2014-06-25 | 東京エレクトロン株式会社 | Gas decompression supply device, cylinder cabinet including the same, valve box, and substrate processing apparatus |
| CN106368960B (en) * | 2016-10-27 | 2018-12-04 | 广东肯富来泵业股份有限公司 | Centrifugal pump critical cavitation point detection device and detection method |
| CN209130522U (en) * | 2018-11-21 | 2019-07-19 | 呼和浩特中燃城市燃气发展有限公司 | Natural gas medium-pressure operation continuous air feeding device |
| CN209782242U (en) * | 2019-03-13 | 2019-12-13 | 北京市燃气集团有限责任公司 | Comprehensive pressure control platform on well |
| CN112000160A (en) * | 2020-09-07 | 2020-11-27 | 中国航空工业集团公司沈阳空气动力研究所 | Wide-range high-precision gas pressure and flow rapid adjusting device and adjusting method thereof |
| CN214119703U (en) * | 2020-12-04 | 2021-09-03 | 广州燃气集团有限公司 | Pressure regulating system for gas pipeline with gas connection |
| CN216361281U (en) * | 2021-04-22 | 2022-04-22 | 甘肃中石油昆仑燃气有限公司 | Multifunctional combined device for diffusing and pressure regulating of natural gas pipeline |
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