CN112984378A

CN112984378A - Industrial park natural gas safe conveying system

Info

Publication number: CN112984378A
Application number: CN201911278695.9A
Authority: CN
Inventors: 向锋
Original assignee: Hunan Chenxi Zhenghong Fertilizer Industry Co ltd
Current assignee: Hunan Chenxi Zhenghong Fertilizer Industry Co ltd
Priority date: 2019-12-13
Filing date: 2019-12-13
Publication date: 2021-06-18

Abstract

The invention discloses a natural gas safe conveying system for an industrial park, which comprises an input branch pipe and an output branch pipe arranged on one side of an opening of the input branch pipe, wherein the right end of the output branch pipe is communicated with an air inlet pipe, the output end of the air inlet pipe is provided with an air outlet pipe in the vertical direction, the natural gas safe conveying system also comprises a plurality of air storage tanks, a plurality of first electromagnetic valves, a plurality of booster valves and a plurality of second electromagnetic valves, the ends, close to each other, of the output branch pipe and the input branch pipe are respectively provided with a support, the ends, close to each other, of the two supports are respectively provided with a first pipeline, the left end and the right end of each air storage tank are respectively communicated with a second pipeline and a third pipeline, and. In the invention, the air storage of a plurality of air storage tanks is adopted to maintain normal air use of the industrial park, and the double-pipeline structure at the turning part is adopted to reduce the possibility of torsion deformation air leakage at the turning part and reduce the loss caused by air interruption during maintenance.

Description

Industrial park natural gas safe conveying system

Technical Field

The invention belongs to the technical field of signal processing, and particularly relates to a natural gas safe conveying system for an industrial park.

Background

The natural gas pipeline is a pipeline for conveying natural gas from a mining place or a processing plant to an urban gas distribution center or industrial enterprise users, and is also called a gas conveying pipeline.

The natural gas is widely used in modern industrial parks, but the existing natural gas has the following defects in the using process, firstly, the existing natural gas is difficult to keep stable air pressure transportation for a long time in the transportation process of the industrial park, so that the industrial production in the industrial park is influenced; secondly, the amount of natural gas used in the existing industrial park is far greater than that used in a normal community, so that certain impurity accumulation is often generated at the turning part of the natural gas pipeline, and the transportation of the natural gas is influenced.

Disclosure of Invention

The invention aims to: in order to solve the technical problem of reality existence, provide an industrial park natural gas safe conveying system.

The technical scheme adopted by the invention is as follows:

the utility model provides an industrial park natural gas safety conveying system, includes the output branch pipe that input branch pipe and input branch pipe opening one side set up, output branch pipe right-hand member intercommunication has the intake pipe, and the intake pipe output is provided with the ascending outlet duct of vertical side, still includes a plurality of gas holders, a plurality of first solenoid valve, a plurality of pressure-increasing valve and a plurality of second solenoid valve, the support has all been seted up to the one end that output branch pipe and input branch pipe are close to each other, and the one end that two supports are close to each other has all seted up first pipeline, and is a plurality of both ends communicate respectively has second pipeline and third pipeline about the gas holder, second pipeline and third pipeline all are linked together with first pipeline, third pipeline side respectively with pressure-increasing valve, second solenoid valve fixed connection, second pipeline side and first solenoid valve fixed connection.

The second flange plate is arranged at the uniform end, away from the gas storage tank, of the second pipeline and the third pipeline, the first flange plate is arranged at the end, close to the gas storage tank, of the first pipeline, and the first flange plate is fixedly connected with the second flange plate through bolts.

The output branch pipe and the input branch pipe are provided with a plurality of openings at the ends close to each other, and the number of the openings at the ends close to each other of the output branch pipe and the input branch pipe is the same.

The gas pressure detector is fixedly connected to the side surface wall of the gas storage tank through the locking piece, and the gas pressure detector is communicated with the inner cavity of the gas storage tank.

The side surfaces of the air inlet pipe and the air outlet pipe, which are close to each other, are communicated with a branch pipe.

And a manual air valve is arranged on one side of the part of the air inlet pipe and the air outlet pipe, which is communicated with the branch pipe and is close to the bent pipe.

The air inlet pipe and the air outlet pipe are close to each other, a fourth flange plate is arranged at one end of the air inlet pipe and one end of the air outlet pipe, third flange plates are arranged at two openings of the bent pipe, and the third flange plates are fixedly connected with the fourth flange plates through bolts.

The turning angles between the branch pipe and the bent pipe are equal, the circle center of the branch pipe is located below the branch pipe, and the circle center of the bent pipe is located above the bent pipe.

In summary, due to the adoption of the technical scheme, the invention has the beneficial effects that:

1. according to the invention, the gas storage of the plurality of gas storage tanks is adopted, and the structure of the plurality of gas storage tanks is adopted, so that the gas storage can be buffered through the plurality of gas storage tanks when the pressure of the output branch pipe is overhigh, the influence of overhigh air pressure on an industrial park is reduced, and the gas storage is stopped when the first electromagnetic valve and the second electromagnetic valve are closed after the gas storage is finished, so that the normal gas use of the industrial park is maintained.

2. In the invention, a gas storage pressurization structure is adopted, and the gas pressure detector is adopted to detect that the air pressure in the inner cavity of the normally output gas storage tank is insufficient, so that the first electromagnetic valves on the rest gas storage tanks after gas storage are opened to supply gas, and the air pressure at the position of an output branch pipe is always higher than the rated air pressure, thereby ensuring the normal production work of an industrial park.

3. In the invention, a double-pipeline structure at the turning part is adopted, and the branched pipe and the bent pipe are adopted for mutual communication between the air inlet pipe and the air outlet pipe, so that the gas conveying effect at the turning part is increased, and the fixed connection effect between the air inlet pipe and the air outlet pipe is increased, thereby reducing the possibility of deformation and air leakage of the turning part due to torsion.

4. In the invention, an auxiliary maintenance valve structure is adopted, when two manual air valves are closed, and because the two third flange plates and the fourth flange plate are fixedly connected by bolts, the circulation between the air inlet pipe and the air outlet pipe is maintained by the branch pipe during maintenance, so that the loss caused by air cut-off during maintenance is reduced.

Drawings

FIG. 1 is a schematic diagram of the main structure of the present invention at the stand;

FIG. 2 is a schematic diagram of the main internal communication structure at the stent in the present invention;

FIG. 3 is a schematic diagram of the side structure of the air reservoir of the present invention;

FIG. 4 is a schematic diagram of a turning structure according to the present invention;

FIG. 5 is a schematic diagram of the internal communication structure of the turning part in the present invention.

The labels in the figure are: 1. an output branch pipe; 2. a first conduit; 3. a first flange plate; 4. a first solenoid valve; 5. a gas storage tank; 6. a pressure increasing valve; 7. a second solenoid valve; 8. a second flange plate; 9. a support; 10. inputting the branch pipes; 11. a second conduit; 12. a third pipeline; 13. a gas pressure detector; 14. a locking member; 15. a manual air valve; 16. a branch pipe; 17. an air inlet pipe; 18. a third flange plate; 19. bending the pipe; 20. a fourth flange plate; 21. and an air outlet pipe.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further 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.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; furthermore, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, as they may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Embodiment one, referring to fig. 1 to 5, a natural gas safe conveying system for an industrial park comprises an input branch pipe 10 and an output branch pipe 1 arranged at one side of an opening of the input branch pipe 10, wherein a gas inlet pipe 17 is communicated with the right end of the output branch pipe 1, an outlet pipe 21 in the vertical direction is arranged at the output end of the gas inlet pipe 17, the system further comprises a plurality of gas storage tanks 5, a plurality of first electromagnetic valves 4, a plurality of booster valves 6 and a plurality of second electromagnetic valves 7, a bracket 9 is arranged at one end of the output branch pipe 1 close to the input branch pipe 10, a first pipeline 2 is arranged at one end of the two brackets 9 close to each other, a second pipeline 11 and a third pipeline 12 are respectively communicated with the left end and the right end of the plurality of gas storage tanks 5, the second pipeline 11 and the third pipeline 12 are both communicated with the first pipeline 2, the side of the third pipeline 12 is respectively fixedly connected with the booster valves 6 and the second electromagnetic valves 7, the side of the, so that increase and reduction of the gas in the inner cavity of the gas storage tank 5 are controlled through the first electromagnetic valve 4 and the second electromagnetic valve 7, and the inner cavity of the gas storage tank 5 is pressurized when the first electromagnetic valve 4 is closed through the pressurization valve 6, so that the gas pressure at one end of the output branch pipe 1 is kept at a high level.

In the second embodiment, referring to fig. 1-3, the second flange 8 is disposed at the end of the second pipeline 11 and the third pipeline 12 away from the gas storage tank 5, the first flange 3 is disposed at the end of the first pipeline 2 close to the gas storage tank 5, the first flange 3 is fixedly connected to the second flange 8 by bolts, a plurality of openings are disposed at the end of the branch output pipe 1 close to the branch input pipe 10, the number of the openings at the end of the branch output pipe 1 close to the branch input pipe 10 is the same, the gas pressure detector 13 is fixedly connected to the sidewall of the gas storage tank 5 by the locking member 14, and the gas pressure detector 13 is communicated with the inner cavity of the gas storage tank 5, so that when the gas pressure detector 13 detects insufficient pressure, the gas pressure detector prompts the operation of closing the first electromagnetic valve 4 on the same pipeline, and simultaneously performs pressurization and gas storage inside the gas storage tank 5 by the pressurization valve, when the pressure is high enough, the second electromagnetic valve 7 is closed, and the first electromagnetic valve 4 is opened to supply air.

In the third embodiment, referring to fig. 4 and 5, a bent pipe 19 is communicated between an inlet pipe 17 and an outlet pipe 21, a branch pipe 16 is communicated between the side surfaces of the inlet pipe 17 and the outlet pipe 21, a manual air valve 15 is disposed on the side of the inlet pipe 17 and the outlet pipe 21, which is close to the bent pipe 19, the end of the inlet pipe 17 and the end of the outlet pipe 21, which is close to the branch pipe 19, are both provided with a fourth flange 20, two openings of the bent pipe 19 are both provided with third flanges 18, the third flanges 18 and the fourth flanges 20 are fixedly connected by bolts, the corners between the branch pipe 16 and the bent pipe 19 are equal, the center of circle of the branch pipe 16 is located below the branch pipe 16, the center of circle of the bent pipe 19 is located above the bent pipe 19, so as to enhance the communication between the inlet pipe 17 and the outlet pipe 21, and when the accumulation of impurities at the bent pipe 19 affects the air supply, after, and then the bolt fixed connection between the third flange plate 18 and the fourth flange plate 20 is opened so as to clean the blocking sundries at the position of the bent pipe 19, and the pipeline transmission between the air inlet pipe 17 and the air outlet pipe 21 can be maintained through the branch pipe 16, so that the loss of the industrial park caused by the fact that the supply of natural gas is required to be cut off in the maintenance process is avoided.

The working principle is as follows: firstly, through the arrangement of a plurality of gas storage tanks 5, the natural gas input at the input branch pipe 10 is respectively delivered into the cavity of each gas storage tank 5, when the pressure of the output branch pipe 1 reaches the normal requirement, the first electromagnetic valve 4 and the second electromagnetic valve 7 on one group of pipelines are kept in an open state, the gas storage tanks 5 on the other pipelines are pressurized and stored through the booster valves 6, then the first electromagnetic valve 4 and the second electromagnetic valve 7 close the gas storage tanks after the gas storage of the gas storage tanks 5 is finished, simultaneously the booster valves 6 are closed to ensure the normal output of the output branch pipe 1, when the gas pressure output by the input branch pipe 10 does not reach the rated requirement, the gas pressure in the inner cavity of the normally output gas storage tank 5 is detected to be insufficient through the gas pressure detector 13, the first electromagnetic valves 4 on the gas storage tanks 5 after the other gas storage tanks are opened to supply gas so as to maintain the gas, so as to ensure the normal production work of the industrial park; secondly, the branch pipe 16 and the bent pipe 19 are used for communicating the air inlet pipe 17 and the air outlet pipe 21 to increase the air conveying effect at the turning part, meanwhile, when the corner which is easy to damage is overhauled, the two manual air valves 15 can be closed, the two third flange plates 18 and the fourth flange plate 20 are opened for overhauling, and meanwhile, the branch pipe 16 is used for maintaining the circulation between the air inlet pipe 17 and the air outlet pipe 21 to reduce the loss caused by air break during overhauling.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.

Claims

1. The utility model provides an industrial park natural gas safety transfer system, includes output bifurcated pipe (1) that input bifurcated pipe (10) and input bifurcated pipe (10) opening one side set up, output bifurcated pipe (1) right-hand member intercommunication has intake pipe (17), and intake pipe (17) output is provided with ascending outlet duct (21) of vertical side, its characterized in that: the automatic control valve is characterized by further comprising a plurality of gas storage tanks (5), a plurality of first electromagnetic valves (4), a plurality of pressure increasing valves (6) and a plurality of second electromagnetic valves (7), wherein supports (9) are all arranged at one ends, close to each other, of the output branch pipe (1) and the input branch pipe (10), first pipelines (2) are arranged at one ends, close to each other, of the two supports (9), the left end and the right end of each gas storage tank (5) are communicated with second pipelines (11) and third pipelines (12) respectively, the second pipelines (11) and the third pipelines (12) are communicated with the first pipelines (2), the side surfaces of the third pipelines (12) are fixedly connected with the pressure increasing valves (6) and the second electromagnetic valves (7) respectively, and the side surfaces of the second pipelines (11) are fixedly connected with the first electromagnetic valves (4).

2. An industrial park natural gas safe transportation system as defined in claim 1 wherein: second ring flange (8) have been seted up to the homogeneous end that gas holder (5) were kept away from in second pipeline (11) and third pipeline (12), first ring flange (3) have been seted up to first pipeline (2) one end that is close to gas holder (5), and pass through bolt fixed connection between first ring flange (3) and second ring flange (8).

3. An industrial park natural gas safe transportation system as defined in claim 1 wherein: the branch pipe comprises an output branch pipe (1), an input branch pipe (10) and a plurality of openings, wherein the ends, close to each other, of the output branch pipe (1) and the input branch pipe (10) are provided with a plurality of openings, and the number of the openings at the ends, close to each other, of the output branch pipe (1) and the input branch pipe (10) is the same.

4. An industrial park natural gas safe transportation system as defined in claim 1 wherein: the gas storage tank (5) is characterized in that a gas pressure detector (13) is fixedly connected to the side surface wall of the gas storage tank (5) through a locking piece (14), and the gas pressure detector (13) is communicated with the inner cavity of the gas storage tank (5).

5. An industrial park natural gas safe transportation system as defined in claim 1 wherein: an elbow (19) is communicated between the air inlet pipe (17) and the air outlet pipe (21), and a branch pipe (16) is communicated with one side of the side surfaces of the air inlet pipe (17) and the air outlet pipe (21) which are close to each other.

6. An industrial park natural gas safe transportation system as claimed in claim 5, wherein: and a manual air valve (15) is arranged on one side of the part of the air inlet pipe (17) and the air outlet pipe (21) communicated with the branch pipe (16) and close to the bent pipe (19).

7. An industrial park natural gas safe transportation system as claimed in claim 6, wherein: the air inlet pipe (17) and the air outlet pipe (21) are close to each other, one end of the air inlet pipe is provided with a fourth flange plate (20), two openings of the bent pipe (19) are provided with third flange plates (18), and the third flange plates (18) are fixedly connected with the fourth flange plates (20) through bolts.

8. An industrial park natural gas safe transportation system as claimed in claim 6, wherein: the turning angles between the branch pipe (16) and the bent pipe (19) are equal, the circle center of the branch pipe (16) is located below the branch pipe (16), and the circle center of the bent pipe (19) is located above the bent pipe (19).