CN206582536U - A kind of natural gas line makes somebody a mere figurehead security system - Google Patents

A kind of natural gas line makes somebody a mere figurehead security system Download PDF

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Publication number
CN206582536U
CN206582536U CN201621478258.3U CN201621478258U CN206582536U CN 206582536 U CN206582536 U CN 206582536U CN 201621478258 U CN201621478258 U CN 201621478258U CN 206582536 U CN206582536 U CN 206582536U
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CN
China
Prior art keywords
pressure
air supply
supply system
natural gas
valve
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Expired - Fee Related
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CN201621478258.3U
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Chinese (zh)
Inventor
向益
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Sichuan Sichuan Hengyuan Energy Engineering Technology Co Ltd
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Sichuan Sichuan Hengyuan Energy Engineering Technology Co Ltd
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Priority to CN201621478258.3U priority Critical patent/CN206582536U/en
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Publication of CN206582536U publication Critical patent/CN206582536U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

Security system is maked somebody a mere figurehead the utility model discloses a kind of natural gas line, including main air supply system and helping air supply system, filter is sequentially provided with main air supply system pipeline, pressure gauge, magnetic valve, low voltage cutoff valve and flow detection meter, main air supply system pipeline is provided with lightning rod, helping air supply system includes high pressure gas holder, pressure-reducing valve and control system, control system includes control module, the D/A converter module being connected successively with control module, memory module, GPS module and communication module, the support of some support pipelines is equipped with main air supply system and helping air supply system pipeline.The utility model is by the ingenious design to the main supply system of natural gas and natural gas emergency system, the problem of solving not enough gas pipeline peak period supply and low natural gas supply security of system, with very strong practicality.

Description

A kind of natural gas line makes somebody a mere figurehead security system
Technical field
The utility model belongs to the technical field of gas pipeline, and in particular to a kind of built on stilts safety system of natural gas line System.
Background technology
The natural gas line directly connected with user terminal at present often it is exposed in atmosphere, natural gas line is in weather and people For etc. under various environmental factors, natural gas leaking, the rainy day is all the problem of its is potential by thunderbolt, will if above mentioned problem occurs Fortune is caused to lose.
Except this, user terminal is directly connected with municipal natural gas supply pipeline, and phase is not often taken between connected pipeline The safety measure answered, when an emergency happens, it is impossible to ensure the property safety of user;Except this, in supply peak period, natural gas Flow very little, without standby natural gas gas, it is impossible to meet the demand of user.
Utility model content
The purpose of this utility model is that there is provided a kind of built on stilts safety system of natural gas line in view of the shortcomings of the prior art System, to solve the problem of existing natural gas supply security of system is low and peak period natural gas gas flow is not enough.
To reach above-mentioned purpose, the utility model is adopted the technical scheme that:
A kind of natural gas line is provided and makes somebody a mere figurehead security system, including the main air supply system that is connected with user terminal and with main supply The helping air supply system of system connectivity;
Filter, pressure gauge, magnetic valve, low voltage cutoff valve and flow detection meter are sequentially provided with main air supply system pipeline; Pressure gauge and low voltage cutoff valve on main air supply system pipeline with magnetic valve is chain is connected;Main air supply system pipeline is provided with and kept away Thunder pin;
Helping air supply system includes high pressure gas holder, pressure-reducing valve and control system;Pipeline between high pressure gas holder and pressure-reducing valve On be sequentially provided with filter, pressure gauge and high-pressure shut-off;Pressure-reducing valve includes the first pressure-reducing valve on the parallel pipeline and the Two pressure-reducing valves;Flow detection meter, stop valve, safety valve and pressure are sequentially provided with pipeline between pressure-reducing valve and control system Table;Pipeline between control system and main air supply system is provided with regulating valve;Pressure gauge, flow detection meter and regulating valve with control System electrical connection processed;Control system includes control module, the D/A converter module being connected respectively with control module, storage mould Block, GPS module and communication module;The support of some support pipelines is equipped with main air supply system and helping air supply system pipeline.
Preferably, communication module with user terminal and safeguards that end is communicated by wired or wireless.
Preferably, the first pressure-reducing valve is guide piston pressure reducing valve;Second pressure-reducing valve is mechanical pressure-reducing valve.
Preferably, stop valve is Oblique Stop Valves.
Preferably, filter is the natural gas filter for including filter core.
Preferably, the material of lightning rod is coating steel pipe.
The natural gas line that the utility model is provided makes somebody a mere figurehead security system, has the advantages that:
Some flow detection meters and pressure gauge are equipped with main air supply system and helping air supply system pipeline, for real-time The change of manifold pressure is monitored, when natural gas leaking, pressure gauge and flow detection meter detect pressure and stream in pipeline Amount changes, and control system receives the signal that pressure gauge and flow detection meter are sent, and duct size information is sent into user terminal With safeguard end, so as to processing in time, and natural gas leaking position is determined by GPS in control system, while in main supply system Road under the overall leadership be provided with lightning rod, can be prevented effectively from because thunderbolt and caused by natural gas line explode.
Except this, gas peak period is used in natural gas, regulating valve is opened in control system control, by the height stored in high pressure gas holder Natural gas is pressed, low-pressure gas is reduced to by pressure-reducing valve, supplied to user, it is ensured that sufficient natural gas supply;And just commonly using gas Period, in time to high pressure gas holder supplemental natural gas, in case of need.
The utility model is solved natural by the ingenious design to the main supply system of natural gas and natural gas emergency system The problem of air pipe peak period supply deficiency and low natural gas supply security of system, with very strong practicality.
Brief description of the drawings
Fig. 1 is the structural representation that natural gas line makes somebody a mere figurehead security system.
Fig. 2 is the theory diagram that natural gas line makes somebody a mere figurehead security system.
Wherein, 1, high pressure gas holder;2nd, high-pressure shut-off;3rd, the first pressure-reducing valve;4th, the second pressure-reducing valve;5th, stop valve;6th, pacify Full valve;7th, control system;8th, regulating valve;9th, flow detection meter;10th, low voltage cutoff valve;11st, magnetic valve;12nd, pressure gauge;13rd, mistake Filter;14th, air inlet;15th, support;16th, lightning rod.
Embodiment
The embodiment to the technical solution of the utility model is described in detail below in conjunction with the accompanying drawings:
According to one embodiment of the application, as shown in figure 1, the natural gas line of this programme makes somebody a mere figurehead security system, including The main air supply system directly connected with user terminal and the helping air supply system connected with main air supply system.
Helping air supply system includes high pressure gas holder 1, pressure-reducing valve and control system 7, the pipe between high pressure gas holder 1 and pressure-reducing valve Filter 13, pressure gauge 12 and high-pressure shut-off 2 are sequentially provided with road;Filter 13 is the filter 13 for including filter core, is used for The impurity in natural gas is filtered, prevents from blocking valve.
Wherein, pressure-reducing valve includes the first pressure-reducing valve 3 and the second pressure-reducing valve 4 on parallel pipeline, and the first pressure-reducing valve 3 is Guide piston pressure reducing valve, the second pressure-reducing valve 4 is mechanical pressure-reducing valve.Wherein, the operation principle of the first pressure-reducing valve 3 is:Pass through Spring pressure setting outlet pressure in regulating valve, the change using Membrane probing outlet pressure, open and close driving by pilot valve and live The size of plug regulation main valve throttle point area of passage, realizes pressure-reduced and-regulated function;Second pressure-reducing valve 4 is used to aid in guide piston Formula pressure-reducing valve, further speeds up rate of pressure reduction.
Flow detection meter 9, stop valve 5, safety valve 6 and pressure are sequentially provided with pipeline between pressure-reducing valve and control system 7 Power table 12, stop valve 5 is reduces the Oblique Stop Valves of manifold pressure loss, between control system 7 and main air supply system Pipeline is provided with regulating valve 8.
Control system 7 includes control module, the D/A converter module being connected respectively with control module, memory module, GPS moulds Block and communication module;Wherein communication module include use wire communication module and wireless communication module, and communication module respectively with Family end and safeguard that end is connected, D/A converter module and detection module are electrically connected, and detection module is located at main air supply system to be some With the flow detection meter 9 and pressure gauge 12 on helping air supply system pipeline.On main air supply system and helping air supply system pipeline Support 15 provided with some support pipelines, the other end of support 15 is fixed on metope or ground.
When occurring abnormal on gas pipeline, such as natural gas leaking, natural gas leaking will cause gas in pipelines pressure With the change of flow, the abnormal flow and pressure signal that detect are sent to control system by flow detection meter 9 and pressure gauge 12 In system, the recognizable signal of control system is converted to through D/A converter module, and then visitor is transmitted information to by communication module Family end and end is safeguarded, meanwhile, property loss, so as to processing maintenance in time, is reduced in GPS module positioning natural gas leaking position.
Filter 13, pressure gauge 12, magnetic valve 11, low voltage cutoff valve 10 and stream are sequentially provided with the pipeline of main air supply system Pressure gauge 12, low voltage cutoff valve 10 and magnetic valve 11 on amount detection meter 9, main air supply system pipeline is electric with PLC control system 7 Gas is connected, when emergency occurs for main air supply system, and pressure gauge 12 and flow detection meter 9 are by the pressure signal detected and stream Amount signal is converted to electric signal and is sent in control system, control system control low voltage cutoff valve 10 and the cut-out pipeline of magnetic valve 11 The supply of middle natural gas, reduces property loss.
Pressure gauge 12 and regulating valve 8 are electrically connected with control system 7, are using gas peak period, control system 7 opens regulation Valve 8, the high-pressure natural gas that will be stored in high pressure gas holder 1 is reduced to low-pressure gas by the first pressure-reducing valve 3 and the second pressure-reducing valve 4, to User supplies, it is ensured that sufficient natural gas supply;And after peak period, by air inlet 14 to the supplemental natural gas of high pressure gas holder 1 Body, so that next peak period is used.
The utility model is solved natural by the ingenious design to the main supply system of natural gas and natural gas emergency system The problem of air pipe peak period supply deficiency and low natural gas supply security of system, with very strong practicality.
Although being described in detail with reference to accompanying drawing to the embodiment of utility model, it should not be construed as to this The restriction of the protection domain of patent.In the scope described by claims, those skilled in the art are without creative work The various modification and variation that can be made still belong to the protection domain of this patent.

Claims (6)

1. a kind of natural gas line makes somebody a mere figurehead security system, it is characterised in that:Including the main air supply system that is connected with user terminal and with The helping air supply system of main air supply system connection;
Filter, pressure gauge, magnetic valve, low voltage cutoff valve and flow detection meter are sequentially provided with the main air supply system pipeline; Pressure gauge and low voltage cutoff valve on the main air supply system pipeline with magnetic valve is chain is connected;The main air supply system pipeline It is provided with lightning rod;
The helping air supply system includes high pressure gas holder, pressure-reducing valve and control system;Between the high pressure gas holder and pressure-reducing valve Filter, pressure gauge and high-pressure shut-off are sequentially provided with pipeline;The pressure-reducing valve subtracts including first on parallel pipeline Pressure valve and the second pressure-reducing valve;Flow detection meter, stop valve, peace are sequentially provided with pipeline between the pressure-reducing valve and control system Full valve and pressure gauge;Pipeline between the control system and main air supply system is provided with regulating valve;The pressure gauge, flow inspection Meter and regulating valve is surveyed to be electrically connected with control system;The control system includes control module, is connected respectively with control module D/A converter module, memory module, GPS module and communication module;On the main air supply system and helping air supply system pipeline It is equipped with the support of some support pipelines.
2. natural gas line according to claim 1 makes somebody a mere figurehead security system, it is characterised in that:The communication module is by having Line or wirelessly with user terminal and safeguarding that end is communicated.
3. natural gas line according to claim 1 makes somebody a mere figurehead security system, it is characterised in that:First pressure-reducing valve is first Guide piston formula pressure-reducing valve;Second pressure-reducing valve is mechanical pressure-reducing valve.
4. natural gas line according to claim 1 makes somebody a mere figurehead security system, it is characterised in that:The stop valve is single flow Stop valve.
5. natural gas line according to claim 1 makes somebody a mere figurehead security system, it is characterised in that:The filter is to include filter The natural gas filter of core.
6. natural gas line according to claim 1 makes somebody a mere figurehead security system, it is characterised in that:The material of the lightning rod is Coating steel pipe.
CN201621478258.3U 2016-12-30 2016-12-30 A kind of natural gas line makes somebody a mere figurehead security system Expired - Fee Related CN206582536U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201621478258.3U CN206582536U (en) 2016-12-30 2016-12-30 A kind of natural gas line makes somebody a mere figurehead security system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201621478258.3U CN206582536U (en) 2016-12-30 2016-12-30 A kind of natural gas line makes somebody a mere figurehead security system

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Publication Number Publication Date
CN206582536U true CN206582536U (en) 2017-10-24

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108119762A (en) * 2017-12-18 2018-06-05 重庆科技学院 A kind of stereoscopic multi-layer time oil-gas pipeline safety detecting system
CN108533964A (en) * 2018-05-25 2018-09-14 钦州学院 A kind of more gas source feed systems and its air supply method
CN109404742A (en) * 2018-12-18 2019-03-01 中国石油天然气集团公司 Gas pipeline valve chamber main pipeline booster monitoring, alarming and protective device, method
CN109386738B (en) * 2018-12-18 2023-11-14 中国石油天然气集团有限公司 Pipe explosion monitoring alarm and interlocking protection device for valve chamber main pipeline of gas pipeline

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108119762A (en) * 2017-12-18 2018-06-05 重庆科技学院 A kind of stereoscopic multi-layer time oil-gas pipeline safety detecting system
CN108533964A (en) * 2018-05-25 2018-09-14 钦州学院 A kind of more gas source feed systems and its air supply method
CN109404742A (en) * 2018-12-18 2019-03-01 中国石油天然气集团公司 Gas pipeline valve chamber main pipeline booster monitoring, alarming and protective device, method
CN109404742B (en) * 2018-12-18 2020-08-04 中国石油天然气集团有限公司 Gas pipeline valve chamber trunk pipeline pipe burst monitoring, alarming and protecting device and method
CN109386738B (en) * 2018-12-18 2023-11-14 中国石油天然气集团有限公司 Pipe explosion monitoring alarm and interlocking protection device for valve chamber main pipeline of gas pipeline

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CF01 Termination of patent right due to non-payment of annual fee
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Granted publication date: 20171024

Termination date: 20181230