CN107355679A - A kind of integrated natural gas line pressure testing feeder and its temprature control method - Google Patents
A kind of integrated natural gas line pressure testing feeder and its temprature control method Download PDFInfo
- Publication number
- CN107355679A CN107355679A CN201710641863.0A CN201710641863A CN107355679A CN 107355679 A CN107355679 A CN 107355679A CN 201710641863 A CN201710641863 A CN 201710641863A CN 107355679 A CN107355679 A CN 107355679A
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- Prior art keywords
- pressure
- supply
- transmitter
- outlet
- gas
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Classifications
-
- 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
-
- 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
-
- 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
- F17D5/005—Protection or supervision of installations of gas pipelines, e.g. alarm
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Investigating Or Analyzing Materials Using Thermal Means (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The invention 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 present invention, intelligence degree is high, has saved human cost, and the effective cycle for shortening experiment.
Description
Technical field
The present invention relates to natural gas transmission and distribution field, and in particular to a kind of integrated natural gas line pressure testing feeder and its
Temprature control method.
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.
The content of the invention
Pass through the technical scheme in the present invention, there is provided one kind can be during natural gas line pressure testing simultaneously to natural
The feeder that the temperature of gas is monitored, intelligence degree is high, has saved human cost, and the effective week for shortening experiment
Phase.
The present invention solve its technical problem technical scheme be：
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
Portion, outlet pipe and switch board；
Inlet pressure transmitter, filter, electric heater and heating-up temperature are connected with turn on air inlet pipeline along gas flow to become
Send device；
Supply gas pressure control unit by supply gas pressure limiting value into some supply air lines and one side path in parallel of incremental setting and
Into 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 atmospheric pressure
Shi Jinhang is supplied；
On outlet pipe outlet pressure transmitter, outlet temperature transmitter and index combustion fan are connected with turn along gas flow；
Switch board respectively with inlet pressure transmitter, heating-up temperature transmitter, outlet pressure transmitter, outlet temperature transmitter and
Valve for opening each supply air line electrically connects.
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 temprature control method, comprises the following steps：
A, begin to warm up, remote opening electric heater, and adjust the aperture of index combustion fan to 1/2；
Whether the gas temperature for B, detecting outlet pipe exit is more than 2 DEG C, if so, then performing step C, otherwise, performs step
E；
C, the aperture of remote adjustment index combustion fan is to standard-sized sheet；
Whether the gas temperature for D, detecting outlet pipe exit is more than 2 DEG C, if so, then continuing to supply, then performs step F,
If it is not, then perform step E；
E, detect whether outlet temperature of electric heater is more than 60 DEG C, if so, the aperture for then adjusting index combustion fan is laid equal stress on to fully closed
It is new to perform step A, if it is not, then being overhauled to electric heater, step A is re-executed after confirming equipment fault-free；
F, detect whether outlet temperature of electric heater is more than 80 DEG C, if so, carrying out power down process to electric heater, cooled,
Until outlet temperature is less than or equal to 80 DEG C, step D is performed, if it is not, then directly performing step D.
After employing above-mentioned technical proposal, the present invention has following beneficial effect：
Pass through the technical scheme in the present invention, there is provided it is a kind of can during natural gas line pressure testing simultaneously to natural gas
The feeder that temperature is monitored, miniaturization, convenience in transport, can not limited, greatly with flexible deployment by experimental situation, place
The big preliminary preparation for reducing experiment, while intelligence degree is high, lifts the efficiency of experiment, is a safe and reliable, technology
Advanced, stable performance, function be strong, it is easy to operate, be easy to extend and develop, economical rationality, the ratio of performance to price are high be applied to it is defeated
The natural gas supply device of feed channel engineering.
Brief description of the drawings
, below will be to embodiment or existing skill in order to illustrate more clearly of the embodiment of the present application or technical scheme of the prior art
The required accompanying drawing used is briefly described in art description, it should be apparent that, drawings in the following description are only the application
Described in some embodiments, for those of ordinary skill in the art, on the premise of not paying creative work, may be used also
To obtain other accompanying drawings according to these accompanying drawings.
Fig. 1 is the structural representation of integrated natural gas line pressure testing feeder in the present invention；
Fig. 2 is the flow chart that gas temperature controls in the present invention；
Reference：Import high-pressure hose 1, inlet pressure transmitter 2, heating-up temperature transmitter 3,12MPa supply air lines 4,
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 temprature control method, comprises the following steps：
A, when feeder starts to put into operation, remote opening electric heater 16, electric heater 16 is designed using flame-proof type, switch board 10
In PLC remote adjustment index combustion fan 12 aperture to 1/2；
B, whether the gas temperature in the detection outlet pipe of outlet temperature transmitter 8 exit is more than 2 DEG C, if so, then performing step
C, otherwise, perform step E；
C, the PLC in switch board 10 opens the aperture of index combustion fan 12 described in the remote adjustment in 30 seconds to standard-sized sheet
Begin normal supply；
D, whether outlet temperature transmitter 8 continues to detect the gas temperature in outlet pipe exit more than 2 DEG C, if so, then continuing
Supply, step F is then performed, if it is not, then performing step E；
E, heating-up temperature transmitter 3 detects whether outlet temperature of electric heater is more than 60 DEG C, if so, explanation gas consumption is big, electricity adds
The hot heating amount of device 16 is inadequate, electric-heating control system by generation system low-temperature warning, and adjust the aperture of index combustion fan 12 to
It is fully closed, and step A is re-executed, if it is not, the then power output of electric heater 16 deficiency, electric-heating control system will produce electricity
Heater failure is alarmed, and electric heater 16 is overhauled, and step A is re-executed after confirming equipment fault-free；
F, heating-up temperature transmitter 3 detects whether outlet temperature of electric heater is more than 80 DEG C, if so, be protection upstream device, it is electric
Heating control system carries out power down process to the electric heater 16, is cooled, until outlet temperature is less than or equal to 80 DEG C, holds
Row step D, if it is not, then directly performing step D.
The foregoing description of the disclosed embodiments, professional and technical personnel in the field are enable to realize or using the present invention.
A variety of modifications to these embodiments will be apparent for those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, it is of the invention
The embodiments shown herein is not intended to be limited to, and is to fit to and principles disclosed herein and features of novelty phase one
The most wide scope caused.
Claims (5)
- 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.
- 5. a kind of integrated natural gas line pressure testing feeder temprature control method, it is characterised in that comprise the following steps：A, begin to warm up, electric heater described in remote opening（16）, and adjust the index combustion fan（12）Aperture to 1/2；Whether the gas temperature for B, detecting outlet pipe exit is more than 2 DEG C, if so, then performing step C2, otherwise, performs step Rapid E2；C, index combustion fan described in remote adjustment（12）Aperture to standard-sized sheet；Whether the gas temperature for D, detecting outlet pipe exit is more than 2 DEG C, if so, then continuing to supply, then performs step F2, If it is not, then perform step E2；E, detect whether outlet temperature of electric heater is more than 60 DEG C, if so, then adjusting the index combustion fan（12）Aperture extremely It is fully closed, and step A2 is re-executed, if it is not, then to the electric heater（16）Overhauled, after confirmation equipment fault-free again Perform step A2；F, detect whether outlet temperature of electric heater is more than 80 DEG C, if so, to the electric heater（16）Power down process is carried out, is entered Row cooling, until outlet temperature is less than or equal to 80 DEG C, step D2 is performed, if it is not, then directly performing step D2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710641863.0A CN107355679B (en) | 2017-07-31 | 2017-07-31 | A kind of integrated natural gas line pressure testing feeder and its temprature control method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710641863.0A CN107355679B (en) | 2017-07-31 | 2017-07-31 | A kind of integrated natural gas line pressure testing feeder and its temprature control method |
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| CN107355679A true CN107355679A (en) | 2017-11-17 |
| CN107355679B CN107355679B (en) | 2018-12-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710641863.0A Expired - Fee Related CN107355679B (en) | 2017-07-31 | 2017-07-31 | A kind of integrated natural gas line pressure testing feeder and its temprature control method |
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Cited By (4)
| 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 |
| CN113504123A (en) * | 2021-06-30 | 2021-10-15 | 上海氢枫能源技术有限公司 | Automatic novel pressure test system for hydrogenation station |
| 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 |
| CN117366475A (en) * | 2023-11-13 | 2024-01-09 | 上海韩科建设工程有限公司 | Novel method for controlling temperature change of extra-gas high-low pressure regulating valve |
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| 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 |
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| CN113504123A (en) * | 2021-06-30 | 2021-10-15 | 上海氢枫能源技术有限公司 | Automatic novel pressure test system for hydrogenation station |
| CN117366475A (en) * | 2023-11-13 | 2024-01-09 | 上海韩科建设工程有限公司 | Novel method for controlling temperature change of extra-gas high-low pressure regulating valve |
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| Publication number | Publication date |
|---|---|
| CN107355679B (en) | 2018-12-14 |
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