CN202928789U - Gas transmission line in-service welding experimental device - Google Patents
Gas transmission line in-service welding experimental device Download PDFInfo
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- CN202928789U CN202928789U CN 201220611342 CN201220611342U CN202928789U CN 202928789 U CN202928789 U CN 202928789U CN 201220611342 CN201220611342 CN 201220611342 CN 201220611342 U CN201220611342 U CN 201220611342U CN 202928789 U CN202928789 U CN 202928789U
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- gas
- pipe line
- valve
- welding
- gas pipe
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Abstract
The utility model discloses a gas transmission line in-service welding experimental device. The outlet of a novel air compressor is connected with the inlet of a first gas storage bottle. The first gas storage bottle is provided with a first safety valve. The outlet of the first gas storage bottle is connected with one end of a gas transmission line via a first pressure reducing valve and a first valve, and the other end of the gas transmission line is connected with the inlet of a second gas storage bottle via a second valve. The second gas storage bottle is provided with a second safety valve. The outlet of the second gas storage bottle is connected with a gas discharge line via a second pressure reducing valve. The central position of the gas transmission line is provided with a welding module. An automatic mechanical welding device is arranged above the welding module. The gas transmission line in-service welding experimental device can realize the in-service welding restoration experimental study for different materials, pipe diameters, defects and wall thicknesses under different pressure and temperature conditions.
Description
Technical field
The utility model belongs to the welder field, relates to the in-service welding experimental device of a kind of gas transmission line.
Background technology
Enter the state of development of 21st century China's gas pipe line, through the construction of nearly 40 years, the built natural gas line total kilometrage of China reached 11403.3 km at the bottom of the calendar year 2001.Loyal military line was gone into operation in 2004, and the natural gas source that the Sichuan Basin is abundant is transported to Hubei, Hunan two provinces, with satisfy Hubei ﹠ Hunan to natural gas energy resource in the urgent need to.In the same year, transfering natural gas from the west to the east one line is put into serial production, with the natural gas transport in Tarim, Xinjiang gas field to 12 provinces along the line, municipality directly under the Central Government and municipal consumption market.Have many rock gases " main artery " to China in 2006 and in succession build up, the pipeline total kilometrage reaches 2.4 * 10
4Km.On February 22nd, 2008, total length 9102 km, design pressure 12 MPa, caliber were
The second west to east gas pipeline project of 1219 mm in Xinjiang, Gansu, Ningxia and Shaanxi puts into operation simultaneously, estimates formal gas transmission in the end of the year 2009.The Sino-Kazakhstan section of Central Asia natural gas line on July 9th, 2008 is held opening ceremony in Alma-Ata of Kazakhstan, indicates the Central Asia natural gas line allwork of total length 1801 km.The three circuit line charts of transferring natural gas from the west to the east are tentatively definite, three line west sections (the Xinjiang Huo'erguosi is to Zhongweiof Ningxia, northwest China), west have begun to build, went into operation in 2012 according to preliminary estimation, operation in the end of the year 2014 is estimated in three line eastern sections (Zhongweiof Ningxia, northwest China is to Shaoguan, Guangdong), west, and western three lines will provide Central Asia rock gas for 8 provinces, autonomous regions on the way.
By the end of the end of the year 2009, China builds natural gas line 3.6 * 10
4Km, according to " natural gas tube net layout and Eleventh Five-Year Development Plan planning ", during 2006 to 2010, China will build up the rock gas main pipeline network that covers the whole nation, planning construction natural gas line about 1.6 * 10 substantially
4Km will reach 4.4 * 10 to Natural Gas In China pipeline overall length in 2010
4Km, China's oil gas main pipeline will be over 1 * 10 in 2015
5Km further improves national gas distributing system, for the rock gas security provisions provides safeguard.
Gas pipe line is under arms in process, due to reasons such as burn into wearing and tearing and mishaies, causes pipeline local reduction, infringement, even leaks, and high speed sprays and affect the accident of normal gas transmission in the pipeline under High Pressure Difference drives.In pipeline, rock gas has high pressure, inflammable, explosive and easy diffusivity, and during leakage, rock gas sprays at a high speed and diffusion rapidly, forms mixed gas with air, and personnel in range of scatter are caused poisoning and suffocate.The gas explosion limit is very low, meets naked light and easily blasts and fire, gives society and enterprise with huge loss.If pipeline attenuate, corrosion cracking etc. detected by the whole bag of tricks before, can take the mode of repairing, solve this problem, in order not affect the oil gas transportation, can in-servicely repair.In-service reparation danger is larger, in order to reduce danger, adopts the method for experiment to formulate welding technology.
Summary of the invention
It is a kind of for the in-service REPAIR WELDING experimental provision of gas transmission line that the purpose of this utility model is to provide, adopt automatic soldering device, increased the security of the in-service soldering test of gas transmission line, temperature regulating device and heat-insulation layer have also been added, increased the condition under the actual condition, closing to reality more, experimental data more tallies with the actual situation, and the welding technology of formulation is standard more.The utility model has reduced the danger of the in-service soldering test of gas transmission line, reduces costs, and can simulate different operating modes and test.
The technical scheme that the utility model technical solution problem is taked is:
The utility model comprises air compressor machine, the first gas bomb, the first reduction valve, the first safety valve, the first valve, the first pressure thermometer, the second pressure thermometer, the 3rd pressure thermometer, gas pipe line, welding module, automation welder, the 4th pressure thermometer, the 5th pressure thermometer, the 6th pressure thermometer, the second valve, the second gas bomb, the second reduction valve, the second safety valve and gas exhaust duct.
The gas outlet of air compressor machine is connected with the air intake opening of the first gas bomb, be provided with the first safety valve on the first gas bomb, first gas bomb gas outlet the first reduction valve, the first valve are connected with an end of gas pipe line, the other end of gas pipe line is connected with the second gas bomb air intake opening through the second valve, be provided with the second safety valve on the second gas bomb, gas outlet second reduction valve of the second gas bomb is connected with gas exhaust duct.
Be provided with welding module at described gas pipe line middle position, be the automation welder directly over welding module, be evenly equipped with the first pressure thermometer, the second pressure thermometer and the 3rd pressure thermometer on the gas pipe line between welding module and the first reduction valve; Also be equipped with the first heat-insulation layer on this gas pipe line, be provided with the temperature controller of regulating the gas pipe line temperature in the first heat-insulation layer; Be evenly equipped with the 4th pressure thermometer, the 5th pressure thermometer and the 6th pressure thermometer on gas pipe line between welding module and the second reduction valve; Also be equipped with the second heat-insulation layer on this gas pipe line.
Described welding module comprises welding block and gasket seal, and there is number of drawbacks in described welding block, simulates the defective of the gas pipe line under actual condition, so that REPAIR WELDING; Adopt gasket seal to coordinate between described welding block and gas pipe line, be bolted welding block and gas pipe line.
The beneficial effects of the utility model: can under the condition of different pressure, temperature, realize the in-service REPAIR WELDING experimental study of unlike material, different tube diameters, different defective and different wall.The utility model is in the in-service REPAIR WELDING process of whole gas pipe line, and handling safety, simple in structure, experimental data is accurate.
Description of drawings
Fig. 1 is the structural representation of the utility model device.
1-air compressor machine wherein, 2-gas bomb, 3-reduction valve, 4-safety valve, the 5-valve, 6-pressure thermometer, 7-temperature controller and heat-insulation layer, 8-pressure thermometer, the 9-pressure thermometer, 10-gas pipe line, 11-welding module, 12-automation welder, the 13-pressure thermometer, 14-pressure thermometer, 15-heat-insulation layer, the 16-pressure thermometer, 17-valve, 18-gas bomb, the 19-reduction valve, 20-safety valve, 21-gas exhaust duct.
Fig. 2 is the pipeline welding regional enlarged drawing.
Fig. 3 is the regional sectional view of pipeline welding.
22-welding block wherein, 23-bolt hole, 24-gasket seal.
Embodiment
Below in conjunction with accompanying drawing, principle of the present utility model, structure are described further.
As shown in Figure 1, the gas outlet of air compressor machine 1 is connected with the air intake opening of gas bomb 2, be provided with safety valve 4 at gas bomb 2, gas bomb 2 gas outlets are connected with an end of gas pipe line 10 through reduction valve 3, valve 5, the other end of gas pipe line 10 is connected with gas bomb 18 air intake openings through valve 17, be provided with safety valve 20 on gas bomb 18, the gas outlet of gas bomb 18 is connected with gas exhaust duct 21 through reduction valve 19.
Gas pipe line 10 middle positions are provided with welding module 11, are automation welder 12 directly over welding module 11, be evenly equipped with on the gas pipe line 10 between welding module 11 and reduction valve 3 pressure thermometer 6,8,9; Also be provided with temperature controller and heat-insulation layer 7 on this gas pipe line, temperature controller be used for to be regulated the gas pipe line temperature; Be evenly equipped with pressure thermometer 13,14,16 on gas pipe line 10 between welding module 11 and reduction valve 19; Also be equipped with heat-insulation layer 15 on this gas pipe line.
As shown in Figures 2 and 3, welding module comprises welding block 22 and gasket seal 24, and there is number of drawbacks in welding block, simulates the defective of the gas pipe line under actual condition, so that REPAIR WELDING; Adopt gasket seal to coordinate between described welding block 22 and gas pipe line, by bolt connecting welding piece and the gas pipe line in bolt hole 23.
The use procedure of the utility model device is as follows:
At first, install welding module.According to the defective of the concrete faultiness design welding block of pipeline under actual condition, and it is arranged on gas pipe line on welding module, gasket seal on the below's pad utilizes bolt to connect.
Secondly, compressor operation carries out gas storage in gas bomb, and after making it reach certain pressure, air compressor machine is in holding state, in case lower than the pressure of setting, air compressor machine is opened.Have a passage to be connected with safety valve 4 on gas bomb 2, the gas bomb internal pressure is in case will the automatic vent step-down over the safety valve setting value.There is a passage to be connected with reduction valve 3 on gas bomb, can regulates and controls the gaseous tension of going out from gas bomb by reduction valve.Gas is controlled by valve 5 and is entered gas pipe line, enters in gas bomb 18 by valve 17, then by decompression table 19, enters gas exhaust duct 21, and gas is outputed in atmosphere.At the gas pipe line leading portion, a temperature controller and heat-insulation layer are arranged, regulate and be incubated according to the gas temperature that the Three pressures thermometer of leading portion is surveyed, make the gas temperature of gas pipe line inside reach temperature under actual condition.The gaseous tension of surveying according to this Three pressures thermometer again regulates reduction valve 3 and reduction valve 19 is controlled the gas pipe line internal gas pressure, makes it reach pressure under actual condition.If gas bomb 18 internal pressures surpass safety valve 20 setting values, can automatically open and carry out exhaust.
At last, the pressure and temperature when gas pipe line inside when all reaching requirement, utilizes the automation welder to carry out the REPAIR WELDING test, can record during the course the data after pressure thermometer 13,14 in back segment, 16 welds.
Claims (1)
1. in-service welding experimental device of gas transmission line, it is characterized in that: comprise air compressor machine, the first gas bomb, the first reduction valve, the first safety valve, the first valve, the first pressure thermometer, the second pressure thermometer, the 3rd pressure thermometer, gas pipe line, welding module, automation welder, the 4th pressure thermometer, the 5th pressure thermometer, the 6th pressure thermometer, the second valve, the second gas bomb, the second reduction valve, the second safety valve and gas exhaust duct;
The gas outlet of air compressor machine is connected with the air intake opening of the first gas bomb, be provided with the first safety valve on the first gas bomb, first gas bomb gas outlet the first reduction valve, the first valve are connected with an end of gas pipe line, the other end of gas pipe line is connected with the second gas bomb air intake opening through the second valve, be provided with the second safety valve on the second gas bomb, gas outlet second reduction valve of the second gas bomb is connected with gas exhaust duct;
Be provided with welding module at described gas pipe line middle position, be the automation welder directly over welding module, be evenly equipped with the first pressure thermometer, the second pressure thermometer and the 3rd pressure thermometer on the gas pipe line between welding module and the first reduction valve; Also be equipped with the first heat-insulation layer on this gas pipe line, be provided with the temperature controller of regulating the gas pipe line temperature in the first heat-insulation layer; Be evenly equipped with the 4th pressure thermometer, the 5th pressure thermometer and the 6th pressure thermometer on gas pipe line between welding module and the second reduction valve; Also be equipped with the second heat-insulation layer on this gas pipe line;
Described welding module comprises welding block and gasket seal, and there is number of drawbacks in described welding block, simulates the defective of the gas pipe line under actual condition, so that REPAIR WELDING; Adopt gasket seal to coordinate between described welding block and gas pipe line, be bolted welding block and gas pipe line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220611342 CN202928789U (en) | 2012-11-19 | 2012-11-19 | Gas transmission line in-service welding experimental device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220611342 CN202928789U (en) | 2012-11-19 | 2012-11-19 | Gas transmission line in-service welding experimental device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202928789U true CN202928789U (en) | 2013-05-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220611342 Expired - Fee Related CN202928789U (en) | 2012-11-19 | 2012-11-19 | Gas transmission line in-service welding experimental device |
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| Country | Link |
|---|---|
| CN (1) | CN202928789U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102944403A (en) * | 2012-11-19 | 2013-02-27 | 浙江大学舟山海洋研究中心 | Gas transmission line in-service welding experimental device |
-
2012
- 2012-11-19 CN CN 201220611342 patent/CN202928789U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102944403A (en) * | 2012-11-19 | 2013-02-27 | 浙江大学舟山海洋研究中心 | Gas transmission line in-service welding experimental device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130508 Termination date: 20151119 |
|
| EXPY | Termination of patent right or utility model |