CN207005727U - A kind of integrated natural gas line pressure testing feeder - Google Patents
A kind of integrated natural gas line pressure testing feeder Download PDFInfo
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- CN207005727U CN207005727U CN201720943895.1U CN201720943895U CN207005727U CN 207005727 U CN207005727 U CN 207005727U CN 201720943895 U CN201720943895 U CN 201720943895U CN 207005727 U CN207005727 U CN 207005727U
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Abstract
The utility model discloses a kind of integrated natural gas line pressure testing feeder, including it is sequentially connected in series the air inlet pipeline of setting, supply gas pressure control unit, outlet pipe and switch board；On air inlet pipeline inlet pressure transmitter, filter, electric heater and heating-up temperature transmitter are connected with turn along gas flow；Supply gas pressure control unit is formed by supply gas pressure limiting value into some supply air lines and one side path in parallel of incremental setting；On outlet pipe outlet pressure transmitter, outlet temperature transmitter and index combustion fan are connected with turn along gas flow；Switch board electrically connects with inlet pressure transmitter, heating-up temperature transmitter, outlet pressure transmitter, outlet temperature transmitter, flammable gas alarm, gate inhibition, blower fan and the valve for opening each supply air line respectively.By the technical scheme in the utility model, intelligence degree is high, has saved human cost, and the effective cycle for shortening experiment.
Description
Technical field
It the utility model is related to natural gas transmission and distribution field, and in particular to a kind of integrated natural gas line pressure testing supply dress
Put.
Background technology
As Natural Gas Demand is growing day by day, the long distance pipeline using heavy caliber, Hi-grade steel, high pressure turns into world day
The main flow of right tracheae transferring technology, the defeated safety problem of natural gas tube thus brought receives more and more attention, and full-scale day
Right gas reality gas explosion bulge test is the state-of-the-art technology means of currently acquired tube performance data.Meanwhile study a pipe explosion
（Blast）The destruction and influence degree to another laying in one ditch pipeline such as shock wave, seismic wave, heat radiation and to environment
Influence, also provide the design standard for natural gas line laying in one ditch to test basis and support.These all will be that China is defeated greatly
Amount, high pressure, Hi-grade steel NG Pipeline Construction and safe operation provide important technology support.
But at present because natural gas line pressure testing experimental provision intelligence degree is not high so that the week that this experiment is carried out
Phase is long, and implements inconvenience.
The defects of existing in view of above-mentioned existing natural gas line pressure testing experimental provision, the present inventor are such based on being engaged in
Product design manufacture abundant for many years practical experience and professional knowledge, and coordinate the utilization of scientific principle, actively it is subject to research and innovation, with
Phase founds a kind of integrated natural gas line pressure testing feeder and its control method.
Utility model content
Pass through the technical scheme in the utility model, there is provided one kind can be simultaneously right during natural gas line pressure testing
The feeder that the pressure of natural gas and gas leakage are monitored, intelligence degree is high, has saved human cost, and effective shortening
Cycle of experiment.
The technical scheme in the invention for solving the technical problem is：
A kind of integrated natural gas line pressure testing feeder, including it is sequentially connected in series the air inlet pipeline of setting, supply gas pressure
Control unit, outlet pipe and switch board；
On air inlet pipeline inlet pressure transmitter, filter, electric heater and heating temperature are connected with turn along gas flow
Spend transmitter；
Supply gas pressure control unit by supply gas pressure limiting value into some supply air lines of incremental setting and a bypass simultaneously
Connection forms, and supply air line is used to meet a variety of needs with atmospheric pressure during pressure testing, and bypass is used to be not required to regulation gas
Supplied during pressure；
On outlet pipe outlet pressure transmitter, outlet temperature transmitter and outlet regulating are connected with turn along gas flow
Valve；
Switch board respectively with inlet pressure transmitter, heating-up temperature transmitter, outlet pressure transmitter, outlet temperature pick-up
Device and the valve for opening each supply air line electrically connect.
Further, pressure regulator valve is provided with supply air line, for controlling the limiting value of supply gas pressure.
Further, the incremental value of supply gas pressure limiting value is not more than 4MPa between each supply air line.
Further, integrated natural gas line pressure testing feeder also includes casing, and air inlet pipeline, supply are set for cover
Pressure control portion and outlet pipe；
Blower fan and gate inhibition are provided with wall box, flammable gas alarm is provided with casing；
Blower fan, gate inhibition and flammable gas alarm electrically connect with switch board.
A kind of integrated natural gas line pressure testing feeder control method, including supply gas pressure control and gas leakage are controlled safely
System.
Further, supply gas pressure control comprises the following steps：
A1, supply start, it is ensured that all valves are closed；
B1, remote opening index combustion fan；
C1, according to the order of supply gas pressure limiting value from small to large each supply air line is opened one by one, and the same time only has
One supply air line is opened；Wherein, in addition to first supply air line is by long-range directly unlatching, the unlatching of remaining each supply air line
Condition be：The outlet pressure of upper level supply air line is more than or equal to the pressure limit value of its own；
After D1, afterbody supply air line are opened, and when its outlet pressure is more than or equal to the pressure limit value of itself, open
Bypass is opened, simultaneously closes off supply air line；
E1, when the outlet pressure of bypass is more than its inlet pressure, remotely close index combustion fan；
F1, change source of the gas, repeating said steps E1.
Further, gas leakage security control comprises the following steps：
Whether A2, detection combustion gas leak, if so, then starting blower fan, if it is not, then performing step B2；
Whether B2, detection gate inhibition touch, if so, scene inspection is then carried out, if it is not, then ignoring.
After employing above-mentioned technical proposal, the utility model has following beneficial effect：
Pass through the technical scheme in the utility model, there is provided one kind can be simultaneously right during natural gas line pressure testing
The feeder that the pressure and gas leakage situation of natural gas are monitored, miniaturization, convenience in transport, can be with flexible deployment, not by reality
Environment, place limitation are tested, greatly reduces the preliminary preparation of experiment, while intelligence degree is high, lifts the efficiency of experiment, is
One safe and reliable, advanced technology, stable performance, function are strong, it is easy to operate, be easy to extend and develop, economical rationality, performance valency
The Ge Bigao natural gas supply device suitable for Gas Pipeline Project.
Brief description of the drawings
, below will be to embodiment or existing in order to illustrate more clearly of the embodiment of the present application or technical scheme of the prior art
There is the required accompanying drawing used in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments described in application, for those of ordinary skill in the art, on the premise of not paying creative work,
Other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of integrated natural gas line pressure testing feeder in the utility model；
Fig. 2 is the flow chart that supply gas pressure controls in the utility model；
Fig. 3 is the flow chart of gas leakage security control in the utility model.
Reference：Import high-pressure hose 1, inlet pressure transmitter 2, heating-up temperature transmitter 3,12MPa supply air lines
4th, 16MPa supply air lines 5, gate inhibition 6, outlet pressure transmitter 7, outlet temperature transmitter 8, flammable gas alarm 9, switch board
10th, high-pressure hose 11, index combustion fan 12,8MPa supply air lines 13,4MPa supply air lines 14, bypass 15, electrical heating are exported
Device 16, filter 17, casing 18, blower fan 19.
Embodiment
In order that those skilled in the art more fully understand the technical scheme in the application, it is real below in conjunction with the application
The accompanying drawing in example is applied, the technical scheme in the embodiment of the present application is clearly and completely described, it is clear that described implementation
Example only some embodiments of the present application, rather than whole embodiments.It is common based on the embodiment in the application, this area
The every other embodiment that technical staff is obtained under the premise of creative work is not made, it should all belong to the application protection
Scope.
A kind of integrated natural gas line pressure testing feeder, including it is sequentially connected in series the air inlet pipeline of setting, supply gas pressure
Control unit, outlet pipe and switch board 10；On air inlet pipeline inlet pressure transmitter 2, filtering are connected with turn along gas flow
Device 17, electric heater 16 and heating-up temperature transmitter 3；Supply gas pressure control unit is by 4MPa supply air lines 14,8MPa supply air lines
13rd, 12MPa supply air lines 4,16MPa supply air lines 5 and bypass 15 are formed in parallel, and supply air line is used for during meeting pressure testing
A variety of needs with atmospheric pressure, self-operated type air vent valve is provided with supply air line, for controlling the limiting value of supply gas pressure,
Bypass 15 is used to be supplied when being not required to regulation with atmospheric pressure；On outlet pipe outlet pressure is connected with turn along gas flow
Power transmitter 7, outlet temperature transmitter 8 and index combustion fan 12；Switch board 10 is warm with inlet pressure transmitter 2, heating respectively
Degree transmitter 3, outlet pressure transmitter 7, outlet temperature transmitter 8 and the valve for opening each supply air line electrically connect.
For the ease of equipment conveying and onsite application, above-mentioned each structure assembly is on a sledge seat, integrated natural gas tube
Pressure testing feeder in road also includes casing 18, and air inlet pipeline, supply gas pressure control unit and outlet pipe and whole sledge are set for cover
Seat；Blower fan 19 and gate inhibition 6 are provided with the side wall of casing 18, wherein blower fan 19 is flame-proof type, and gate inhibition 6 is not controlled for monitoring casing
Enabling, with ensure feeder operation safety.Flammable gas alarm 9 is provided with casing 18；Blower fan 19, the and of gate inhibition 6
Flammable gas alarm 9 electrically connects with switch board 10, and feeder inlet and outlet are provided with import high-pressure hose 1 and outlet high pressure is soft
Pipe 11, facilitates joint connection in site.
During work, the source of the gas of feeder is used by compressed natural gas（CNG）The CNG that tank car provides, gas source is convenient,
Higher import step pressure can be provided simultaneously, meets the more kinds of requirements with atmospheric pressure of 0~18MPa of downstream, feeder tool
There is import to bear 20~25MPa pressure, the ability of 20MPa pressure is born in outlet.After CNG supply, first by filter 17 to CNG
Filtered, remove the impurity of gas entrainment, ensure the safety of upstream device.By inlet pressure pick-up after filter 17
Device 2, for monitoring CNG inlet pressures.For system after pressure regulation, gas temperature will produce very big change, to ensure to be
The normal work of system and each equipment, electric heater 16 is provided with after filter 17, the gas in pipeline is preheated.Electrical heating
Heating-up temperature transmitter 3 is provided with after device 16, for monitoring the temperature of the outlet of electric heater 16, to ensure system worked well.
Supply takes voltage regulating mode in parallel step by step, takes 4 road self-operated type air vent valve pressure regulation, respectively 4MPa supply air lines 14,
8MPa supply air lines 13,12MPa supply air lines 4,16MPa supply air lines 5, pressure difference controls between pressure regulator valve downstream and test pipe
Less than 4MPa.Meanwhile then swim supply during not pressure regulation directly down by bypass 15.Pressure regulator valve downstream air supply header is provided with
Outlet pressure transmitter 7, outlet temperature transmitter 8, for monitoring the pressure after pressure regulation, temperature conditions.Feeder outlet is total
Pipe is provided with index combustion fan 12, for being linked with control system, auto-control supply state.The present apparatus is compact-sized,
Compact, in light weight, dependable performance, installation and removal are convenient, easy to operate, it is not necessary to special maintenance, can be by flat
Plate lorry is convenient to be transported, after installation can automatic running, without manual intervention.
A kind of integrated natural gas line pressure testing feeder control method, including supply gas pressure control and gas leakage are controlled safely
System.
Wherein, supply gas pressure control comprises the following steps：
A1, supply start, it is ensured that all valves are closed, wherein for the ease of the maintenance of device, are provided with device multiple
Manually-operated gate, after the closing of all valves, all manually-operated gates are manually opened, waiting system is normal；
B1, pass through the remote opening index combustion fan 12 of switch board 10；
C1,4MPa supply air line 14,8MPa supply air lines 13,12MPa supply air lines 4,16MPa supply air lines 5 it is remaining
There is the operated pneumatic valve for being provided with and being connected with switch board 10, pass through the remote opening 4MPa supply air lines 14 of controller 10 first
The operated pneumatic valve of upstream and downstream, supplied with the test pipe to be detected of 4MPa output pressure downstream.With developmental tube
Road progressively pressurising, when outlet pressure transmitter 7 detects outlet pressure stabilization in 4MPa, the PLC in switch board 10
By the operated pneumatic valve of the upstream and downstream of remote opening 8MPa supply air lines 13, supplied with 8MPa output pressure to test pipe
Gas, simultaneously close off 4MPa supply air lines 14.When outlet pressure transmitter 7 detects outlet pressure stabilization in 8MPa, switch board
PLC in 10 is by the operated pneumatic valve of the upstream and downstream of remote opening 12MPa supply air lines 4, with 12MPa output pressure
Supplied to test pipe, simultaneously close off 8MPa supply air lines 13.When outlet pressure transmitter 7 detects that outlet pressure is stable
In 12MPa, PLC in switch board 10 by the operated pneumatic valve of the upstream and downstream of remote opening 16MPa supply air lines 5, with
16MPa output pressure is supplied to test pipe, simultaneously closes off 12MPa supply air lines 4；
D1, when outlet pressure transmitter 7 detect outlet pressure it is stable in 16MPa when, the PLC in switch board 10
By remote opening bypass 15, supply air line is simultaneously closed off without pressure regulation, directly by feeder inlet gas to developmental tube
Road supplies；
PLC in E1, switch board 10 will compare inlet pressure transmitter 2 and outlet pressure transmitter 7 constantly
Data, when the outlet pressure of bypass 15 is more than its inlet pressure, then normally it can not be supplied to test pipe, system is sent
Import low pressure alarming, while the PLC in switch board 10 remotely closes index combustion fan 12, feeder is stopped；
F1, change supply tank car, Remote Open index combustion fan 12, repeating said steps E1.
Gas leakage security control comprises the following steps：
A2, flammable gas alarm 9 are arranged in casing 18, for the gas componant in monitoring box body, so that it is determined that combustion
Whether gas leaks, and after detection starts, whether detection combustion gas leaks, if so, being alarmed in time, and starts blower fan 19, carries out strong
Air draft processed, the control of the composition of gases within of casing 18 is ensured in safe range, if it is not, then performing step B2；
Whether B2, detection gate inhibition 6 touch, once there is enabling without permission, then produce alarm, remind operation maintenance personnel to carry out
Scene inspection, the invasion of unrelated person is prevented, to ensure the safety of feeder operation, if it is not, then ignoring.
The foregoing description of the disclosed embodiments, professional and technical personnel in the field are enable to realize or new using this practicality
Type.A variety of modifications to these embodiments will be apparent for those skilled in the art, determine herein
The General Principle of justice can be realized in other embodiments in the case where not departing from spirit or scope of the present utility model.Cause
This, the utility model is not intended to be limited to the embodiments shown herein, and is to fit to and principles disclosed herein
The most wide scope consistent with features of novelty.
Claims (4)
- A kind of 1. integrated natural gas line pressure testing feeder, it is characterised in that including be sequentially connected in series setting air inlet pipeline, Supply gas pressure control unit, outlet pipe and switch board（10）；On the air inlet pipeline inlet pressure transmitter is connected with turn along gas flow（2）, filter（17）, electric heater （16）With heating-up temperature transmitter（3）；Some supply air lines and a bypass of the supply gas pressure control unit by supply gas pressure limiting value into incremental setting （15）It is formed in parallel, the supply air line is used to meet a variety of needs with atmospheric pressure during pressure testing, the bypass（15） For being supplied when being not required to regulation with atmospheric pressure；On the outlet pipe outlet pressure transmitter is connected with turn along gas flow（7）, outlet temperature transmitter（8）With go out Mouth regulating valve（12）；The switch board（10）Respectively with the inlet pressure transmitter（2）, heating-up temperature transmitter（3）, outlet pressure pick-up Device（7）, outlet temperature transmitter（8）Electrically connected with the valve for opening each supply air line.
- 2. integrated natural gas line pressure testing feeder according to claim 1, it is characterised in that the supply air line On be provided with pressure regulator valve, for controlling the limiting value of supply gas pressure.
- 3. integrated natural gas line pressure testing feeder according to claim 1, it is characterised in that between each supply air line The incremental value of supply gas pressure limiting value is not more than 4MPa.
- 4. integrated natural gas line pressure testing feeder according to claim 1, it is characterised in that also including casing （18）, the air inlet pipeline, supply gas pressure control unit and outlet pipe are set for cover；The casing（18）Blower fan is provided with side wall（19）And gate inhibition（6）, the casing（18）Inside it is provided with fuel gas report Alert device（9）；The blower fan（19）, gate inhibition（6）And flammable gas alarm（9）With the switch board（10）Electrical connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720943895.1U CN207005727U (en) | 2017-07-31 | 2017-07-31 | A kind of integrated natural gas line pressure testing feeder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720943895.1U CN207005727U (en) | 2017-07-31 | 2017-07-31 | A kind of integrated natural gas line pressure testing feeder |
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| Publication Number | Publication Date |
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| CN207005727U true CN207005727U (en) | 2018-02-13 |
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| CN201720943895.1U Active CN207005727U (en) | 2017-07-31 | 2017-07-31 | A kind of integrated natural gas line pressure testing feeder |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107228279A (en) * | 2017-07-31 | 2017-10-03 | 特瑞斯能源装备股份有限公司 | A kind of integrated natural gas line pressure testing feeder and its control method |
| CN107355679A (en) * | 2017-07-31 | 2017-11-17 | 特瑞斯能源装备股份有限公司 | A kind of integrated natural gas line pressure testing feeder and its temprature control method |
-
2017
- 2017-07-31 CN CN201720943895.1U patent/CN207005727U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107228279A (en) * | 2017-07-31 | 2017-10-03 | 特瑞斯能源装备股份有限公司 | A kind of integrated natural gas line pressure testing feeder and its control method |
| CN107355679A (en) * | 2017-07-31 | 2017-11-17 | 特瑞斯能源装备股份有限公司 | A kind of integrated natural gas line pressure testing feeder and its temprature control method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 213000 Yanhe Middle Road, Xinbei District, Changzhou City, Jiangsu Province, No. 22 Patentee after: TERRENCE ENERGY Co.,Ltd. Patentee after: China Petroleum Technology Development Co.,Ltd. Address before: 213000 Yanhe Middle Road, Xinbei District, Changzhou City, Jiangsu Province, No. 22 Patentee before: TERRENCE ENERGY Co.,Ltd. Patentee before: CHINA PETROLEUM TECHNOLOGY & DEVELOPMENT Corp. |
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| CP01 | Change in the name or title of a patent holder | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220428 Address after: 100000 1-4, floor 5, No. 8, Deshengmen East Street, Xicheng District, Beijing Patentee after: China Petroleum Technology Development Co.,Ltd. Address before: 213000 Yanhe Middle Road, Xinbei District, Changzhou City, Jiangsu Province, No. 22 Patentee before: TERRENCE ENERGY Co.,Ltd. Patentee before: China Petroleum Technology Development Co.,Ltd. |
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| TR01 | Transfer of patent right |