CN217875334U

CN217875334U - Medium-pressure pipe network parallel structure based on stable gas supply

Info

Publication number: CN217875334U
Application number: CN202221187636.8U
Authority: CN
Inventors: 李传文
Original assignee: Anhui Anran Gas Co ltd
Current assignee: Anhui Anran Gas Co ltd
Priority date: 2022-05-18
Filing date: 2022-05-18
Publication date: 2022-11-22
Anticipated expiration: 2032-05-18

Abstract

The utility model relates to a technical field is carried to the gas, especially relates to a medium pressure pipe network parallel structure based on the air feed is steady. The technical scheme comprises the following steps: the device comprises an annular pipe and a control box, wherein a four-way reversing valve is installed at the middle position of three angles of the annular pipe, an air inlet pipe is installed in the middle of one side of the four-way reversing valve, a reversing pipe is installed in the middle of the side, away from the air inlet pipe, of the four-way reversing valve, the outer surface of the annular pipe is provided with an air outlet pipe, the air outlet pipe is close to one side of the annular pipe and is provided with the control valve, a pressure sensor is installed on the outer surfaces of the air outlet pipe and the air inlet pipe, and the pressure sensor is connected with the control box through a wiring harness. The utility model provides a current device adopt single gas station air feed more, the inside air current pressure control range of pipe network is little, when newly-built residential area is too much, very easily causes the pressure supply not enough, influences the problem of gas normal use, has improved the inside air current pressure control range of pipe network, and then has guaranteed the delivery pressure of gas.

Description

Medium-pressure pipe network parallel structure based on stable gas supply

Technical Field

The utility model relates to a technical field is carried to the gas, specifically is a medium pressure pipe network parallel structure based on the air feed is steady.

Background

With the continuous development of national economy and the promotion of new energy strategies by the nation, the continuous construction and improvement of domestic basic facilities such as long-distance gas pipelines, underground gas storage facilities and the like, and as the construction industry in China is rapidly developed in recent years, more and more urban pipe network systems are matched with the long-distance gas pipelines, the newly constructed residential areas can only distribute corresponding gas resources from the old urban pipe network systems, and the stability of the pressure regulating system is very important.

Through mass search, it is found that in the conveying device in the prior art, for example, a gas pressure regulating device disclosed in the publication number CN204328479U, which adopts parallel monitoring to ensure uninterrupted gas supply, when the working pressure regulator fails to raise the outlet pressure, the emergency cut-off valve of the main path acts to cut off the gas path, and due to the influence of gas use by downstream users, the downstream pressure drops to the driving pressure of the monitoring pressure regulator, the monitoring pressure regulator is opened to start working, and the outlet pressure is slightly lower than the original outlet pressure, so that two-path pressure regulating automatic switching is realized, and uninterrupted gas supply of a gas pipeline is ensured.

The existing gas pipe network mainly adopts single gas station gas supply, the adjusting range of the gas flow pressure in the pipe network is small, when a newly-built residential area is too many, the pressure supply is very easy to be insufficient, and the normal use of gas is influenced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a medium pressure pipe network parallel structure based on air feed is steady possesses the steady advantage of air feed, has solved current device and has adopted single gas station air feed more, and the inside air current pressure control range of pipe network is little, when newly-built residence time too much, very easily causes the pressure supply not enough, influences the problem of gas normal use.

In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides a medium pressure pipe network parallel structure based on air feed is steady, includes ring canal and control box, wherein the three angle intermediate position departments of ring canal all install the four-way reversing valve, install the intake pipe in the middle of four-way reversing valve one side, the four-way reversing valve deviates from the middle reverse pipe of installing in intake pipe one side, ring canal surface mounting has the outlet duct, the outlet duct is close to ring canal one side and installs the control valve, pressure sensor is all installed to outlet duct and intake pipe surface, pressure sensor is connected with the control box through the pencil, the control room is installed to inside one side of control box, control room internally mounted has the controller, the inside dehumidification room of installing near control room one side of control room of control box, the inside one side of dehumidification room is close to the top and installs the air-blower, one side is located the air-blower bottom and installs the heating cabinet in the dehumidification room.

Preferably, one side of the air inlet pipe, which is close to the four-way reversing valve, is provided with a one-way valve, so that an air source pipeline is conveniently cut off and maintained.

Preferably, a reversing valve is arranged in the middle of the reversing pipe to realize reverse backflow.

Preferably, the heating pipe is installed in the middle of the heating box inside, the bottom of the heating box is connected to the control box through the exhaust pipe, and the heating pipe is arranged to heat and raise the temperature of the inlet air.

Preferably, the output end of the air blower is connected to the control room through a blast pipe, the input end of the air blower is connected to the heating box through a connecting pipe, and the heated gas is conveyed to the control room to be dehumidified.

Preferably, controller internally mounted has wireless transmission module, control module, central processing module and data storage module, the remote control of being convenient for the utility model discloses.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model discloses a set up ring canal and cross switching-over valve, reach the effect that parallelly connected a plurality of gas stations carried out the air feed, all set up the cross switching-over valve in the three angle intermediate position department of ring canal, set up the intake pipe in the middle of cross switching-over valve one side, set up reverse pipe in the middle of cross switching-over valve deviates from intake pipe one side, set up the outlet duct at the ring canal surface, be close to ring canal one side and set up the control valve at the outlet duct, with solve the single gas station air feed of many adoption, the inside air current pressure control range of pipe network is little, newly-built residence is when too much, very easily cause the pressure supply not enough, influence the problem of gas normal use, the inside air current pressure control range of pipe network has been improved, and then the delivery pressure of gas has been guaranteed.

2. The utility model discloses a set up air-blower and heating cabinet, reach and heat the effect of intensification to admitting air, it sets up the air-blower to be close to the top in dehumidification indoor portion one side, it sets up the heating cabinet to be located the air-blower bottom in dehumidification indoor portion one side, set up the heating pipe in the middle of the heating cabinet is inside, connect in the control box through the exhaust column in the heating cabinet bottom, pass through blast pipe connection in the control room at the air-blower output, connect in the heating cabinet through the connecting pipe at the air-blower input, it is outdoor to solve many settings of control box, the inside humidity of controller is very easily too high, the problem that leads to the controller to damage, the inside humidity of control room has been reduced, thereby the life of controller has been improved.

Drawings

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

FIG. 2 is an enlarged view of A in FIG. 1;

FIG. 3 is an enlarged view of B in FIG. 1;

fig. 4 is a schematic view of the sectional structure of the control box of the present invention.

Reference numerals: 1. a ring pipe; 2. a control box; 3. a control valve; 4. a wire harness; 5. a pressure sensor; 6. an air outlet pipe; 7. a reversing tube; 8. a reversing valve; 9. a four-way reversing valve; 10. a one-way valve; 11. an air inlet pipe; 12. a controller; 13. a blast pipe; 14. a blower; 15. a dehumidification chamber; 16. a connecting pipe; 17. heating a tube; 18. an exhaust pipe; 19. a heating box; 20. and a control room.

Detailed Description

The technical solution of the present invention will be further explained with reference to the accompanying drawings and specific embodiments.

Example one

As shown in fig. 1-4, in order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a medium pressure pipe network parallel structure based on air feed is steady, including ring canal 1 and control box 2, four-way reversing valve 9 is all installed to 1 three angle intermediate position department of ring canal, install intake pipe 11 in the middle of four-way reversing valve 9 one side, intake pipe 11 is close to four-way reversing valve 9 one side and installs check valve 10, four-way reversing valve 9 deviates from and installs reversal pipe 7 in the middle of 11 one sides of intake pipe, install reversal valve 8 in the middle of

reversal pipe

7, 1 surface mounting in ring canal has outlet duct 6, outlet duct 6 is close to 1 one side of ring canal and installs control valve 3, outlet duct 6 all installs pressure sensor 5 with the 11 surface of intake pipe, pressure sensor 5 is connected with control box 2 through pencil 4, control box 2 inside one side installs control room 20, control room 20 internally mounted has controller 12, controller 12 internally mounted has the wireless transmission module, a control module, central processing module and data storage module.

The working principle of the medium-pressure pipe network parallel structure based on stable gas supply in the embodiment 1 is as follows: will the utility model discloses the well installed back, during the use, carry the gas station gas to four-way reversing valve 9 through intake pipe 11, carry to 1 inside the ring canal through four-way reversing valve 9 again, 6 outlet ducts through 1 one side of ring canal are carried to the use, the gas transmission in-process,

monitor intake pipe

11 and 6 pressures of outlet duct through pressure sensor 5, monitoring data passes through controller 12 and carries to the server, through server and four-way reversing valve 9, carry out accurate control to pipe network operating pressure, guarantee delivery pressure, so far, this equipment work flow is accomplished.

Example two

As shown in fig. 1-4, the utility model provides a medium pressure pipe network parallel structure based on air feed is steady, compare in embodiment one, this embodiment still includes: inside being close to control room 20 one side of control box 2 and installing dehumidification room 15, the inside one side of dehumidification room 15 is close to the top and installs air-blower 14, one side is located air-blower 14 bottom in dehumidification room 15 and installs heating cabinet 19, install heating pipe 17 in the middle of heating cabinet 19 is inside, heating cabinet 19 bottom is connected in control box 2 through exhaust column 18, air-blower 14 output passes through blast pipe 13 and connects in control room 20, air-blower 14 input passes through connecting pipe 16 and connects in heating cabinet 19.

In this embodiment, when the air dehumidifying device is used, the blower 14 is started, external air is extracted by the blower 14 through the exhaust pipe 18, the temperature of the intake air is raised by the heating pipe 17 inside the heating box 19, and then the intake air is conveyed to the inside of the control room 20 through the connecting pipe 16 and the blower pipe 13, so as to dehumidify the inside of the control room 20.

The above embodiments are merely some preferred embodiments of the present invention, and those skilled in the art can make various alternative modifications and combinations to the above embodiments based on the technical solution of the present invention and the related teachings of the above embodiments.

Claims

1. The utility model provides a medium pressure pipe network parallel structure based on air feed is steady, includes ring pipe (1) and control box (2), its characterized in that: position department all installs four-way reversing valve (9) in the middle of the three angle of ring canal (1), install intake pipe (11) in the middle of four-way reversing valve (9) one side, four-way reversing valve (9) deviate from intake pipe (11) one side in the middle of installing reverse pipe (7), ring canal (1) surface mounting has outlet duct (6), outlet duct (6) are close to ring canal (1) one side and install control valve (3), pressure sensor (5) are all installed to outlet duct (6) and intake pipe (11) surface, pressure sensor (5) are connected with control box (2) through pencil (4), control box (2) inside one side is installed control room (20), control room (20) internally mounted has controller (12), control box (2) inside is close to control room (20) one side and installs except that wet room (15), except that inside one side of wet room (15) is close to the top and install air-blower (14), except that one side is located air-blower (14) bottom and install heating cabinet (19) in wet room (15).

2. The medium-pressure pipe network parallel structure based on stable gas supply of claim 1, characterized in that: and one side of the air inlet pipe (11) close to the four-way reversing valve (9) is provided with a one-way valve (10).

3. The medium-pressure pipe network parallel structure based on stable gas supply of claim 1, characterized in that: and a reversing valve (8) is arranged in the middle of the reversing pipe (7).

4. The medium-pressure pipe network parallel structure based on stable gas supply of claim 1, characterized in that: heating pipe (17) are installed to heating cabinet (19) inside centre, heating cabinet (19) bottom is passed through exhaust column (18) and is connected in control box (2).

5. The medium-pressure pipe network parallel structure based on stable gas supply of claim 1, characterized in that: the output end of the air blower (14) is connected to the control room (20) through a blast pipe (13), and the input end of the air blower (14) is connected to the heating box (19) through a connecting pipe (16).

6. The medium-pressure pipe network parallel structure based on stable gas supply of claim 1, characterized in that: the controller (12) is internally provided with a wireless transmission module, a control module, a central processing module and a data storage module.