CN102589823B - Airtightness test and nitrogen replacement device used for high-pressure air cylinder - Google Patents
Airtightness test and nitrogen replacement device used for high-pressure air cylinder Download PDFInfo
- Publication number
- CN102589823B CN102589823B CN201210035428.0A CN201210035428A CN102589823B CN 102589823 B CN102589823 B CN 102589823B CN 201210035428 A CN201210035428 A CN 201210035428A CN 102589823 B CN102589823 B CN 102589823B
- Authority
- CN
- China
- Prior art keywords
- liquid nitrogen
- control system
- tightness test
- gasifier
- water bath
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Filling Or Discharging Of Gas Storage Vessels (AREA)
- Examining Or Testing Airtightness (AREA)
Abstract
The invention discloses an airtightness test and nitrogen replacement device used for a high-pressure air cylinder, which belongs to the technical field of the airtightness test. The airtightness test and nitrogen replacement device used for a high-pressure air cylinder comprises a liquid nitrogen storage tank, a self-boosting gasifier, a liquid nitrogen pump, a water bath type gasifier, an air temperature type gasifier, an energy storage device, an airtightness test operation and control system and a frame, wherein the liquid nitrogen storage tank and the self-boosting gasifier are horizontally arranged in the frame side by side; the front end of the frame is provided with the liquid nitrogen pump, the air temperature type gasifier and the water bath type gasifier; in the frame, one end of the liquid nitrogen storage tank is connected with the self-boosting gasifier, the other end of the liquid nitrogen storage tank is connected with the liquid nitrogen pump, the liquid nitrogen pump is connected with the water bath type gasifier, and the water bath type gasifier is connected with the air temperature type gasifier; outside the frame, the air temperature type gasifier is connected with the energy storage device and the energy storage device is connected with the airtightness test operation and control system. The airtightness test and nitrogen replacement device has the advantage that the problems of high operation cost and maintenance cost, unstable working state, high incidence rate of various faults, complex production work, low production efficiency and the like can be solved.
Description
Technical field
The invention belongs to tightness test technical field, tightness test and nitrogen replaceable equipment for a kind of gas cylinder is particularly provided.
Background technology
Along with the rise of gas price, the proportion in the energy is used of rock gas constantly expands at present.Along with the application of gas cylinder, long-tube trailer, the use client of gas cylinder, long-tube trailer is more and more, and market is also more and more to the demand of gas cylinder, long-tube trailer.In the production of gas cylinder and trailer, need to carry out tightness test and nitrogen replaceable equipment.
Therefore, need a kind of air tightness tester and nitrogen replaceable equipment.Current existing air tightness tester is to use air compressor machine pressurized air to carry out work, exists operating cost and maintenance cost is high, and various faults, easily appear in unstable working condition, in the air of air compressor machine compression, contain the shortcomings such as impurity component such as grease.And nitrogen replaceable equipment and tightness test are two covering devices, can not carry out simultaneously, production work is numerous and diverse, affects production efficiency.
Summary of the invention
The object of the present invention is to provide tightness test and nitrogen replaceable equipment for a kind of gas cylinder, solved and existed operating cost and the problem such as maintenance cost is high, and various faults, easily appear in unstable working condition, and production work is numerous and diverse, and production efficiency is low.
The present invention includes liquid nitrogen storage tank 1, from supercharging gasifier 2, liquid nitrogen pump 3, water bath type vaporizer 4, air temperature type vaporizer 5, accumulator 6, tightness test operation control system 7, framework 8.
Liquid nitrogen storage tank 1, from supercharging gasifier 2 side by side accumbency in framework 8; The front end of framework 8 is placed with liquid nitrogen pump 3, air temperature type vaporizer 5, water bath type vaporizer 4;
In framework 8, liquid nitrogen storage tank 1 one end with from supercharging gasifier 2, be connected, the other end is connected with liquid nitrogen pump 3, liquid nitrogen pump 3 is connected with water bath type vaporizer 4, water bath type vaporizer 4 is connected with air temperature type vaporizer 5;
At the outer air temperature type vaporizer 5 of framework 8, be connected with accumulator 6, accumulator 6 is connected with tightness test operation control system 7.
Tightness test operation control system 7 comprises: display 18, host computer 9, power light 10, relay indicating light 11, overpressure alarm lamp 12, tensimeter 13, precision pressure gauge 14, main valve 15, back-up valve 16, blowdown valve 17, pressure transducer 19, internal duct 20: display 18 is connected with host computer 9 by cable, and is embedded in tightness test operation control system 7.Power light 10, relay indicating light 11, overpressure alarm lamp 12, be connected with host computer 9 by cable, and be embedded in tightness test operation control system 7.Tensimeter 13, precision pressure gauge 14, main valve 15, back-up valve 16, blowdown valve 17, is connected in internal duct 20, and is embedded in tightness test operation control system 7.Pressure transducer 19 one end are connected to the other end in internal duct 20 and are connected on host computer 9.
Feature of the present invention is that one is the liquid nitrogen of utilizing in liquid nitrogen storage tank, with cryogenic high pressure liquid pump, liquid nitrogen is squeezed into gasifier, by gasifier, liquid nitrogen gasification is boosted to 20Mpa, and is stored in accumulator, and product is carried out to tightness test.Substitute pressurized air, avoid the contaminating impurity gas cylinders such as grease in pressurized air.The 2nd, after test completes, do not need to carry out again nitrogen replacement, as long as by the nitrogen emptying in gas cylinder, retain a part of nitrogen and can complete nitrogen replacement operation.The 3rd, cancel air compressor, save electric energy, maintainer, does not need to build air compressor house.
Innovative point of the present invention is,
Cancel the High Pressure Air Compressor that original airtight equipment is used, increased nitrogen gas supply system simultaneously, used nitrogen as the gas source of whole bottle airtight test machine.The stability of whole system is strengthened.
State when display can show gas cylinder test in real time, and automatically record test period, test pressure, automatically generate test report.
Unnecessary nitrogen after tightness test can be come back in accumulator or by pipeline, is charged in the gas cylinder of next test by pipeline, saves nitrogen.
The present invention has the following advantages:
1, adopt liquid nitrogen as the gas source of whole bottle tightness test, by accumulator stored-gas, greatly reduced in gas cylinder gas pressure rising time, effectively save the production time, avoid the compositions such as grease in pressurized air to pollute gas cylinder simultaneously.
2, cancel High Pressure Air Compressor, save a large amount of electric energy.Reduce plant maintenance personnel, reduce the expense of building air compressor house.
3, adopt nitrogen as the airtight gas of whole bottle, after whole bottle is airtight, do not need to carry out again nitrogen replacement operation, can save a large amount of production times.
4, adopt Digital Control panel, all states all can show on display, and computer can record printing test figure automatically, enhances productivity.
Accompanying drawing explanation
Fig. 1 is the front schematic view of tightness test and nitrogen replaceable equipment for gas cylinder of the present invention.Wherein, liquid nitrogen storage tank 1, from supercharging gasifier 2, liquid nitrogen pump 3, water bath type vaporizer 4, air temperature type vaporizer 5, accumulator 6, tightness test operation control system 7, framework 8.
Fig. 2 is the front schematic view of the operation control panel of tightness test operation control system 7.Wherein, display 18, host computer 9, power light 10, relay indicating light 11, overpressure alarm lamp 12, tensimeter 13, precision pressure gauge 14, main valve 15, back-up valve 16, blowdown valve 17.
Fig. 3 is the concrete connection layout of tightness test operation control system tightness test control operation system.Wherein, pressure transducer 19, internal duct 20.
Embodiment
Referring to Fig. 1～Fig. 2, the present invention includes liquid nitrogen storage tank 1, accumbency is in framework 8 side by side from supercharging gasifier 2, liquid nitrogen pump 3, air temperature type vaporizer 5, water bath type vaporizer 4 are placed on the front end of framework 8.Accumulator 6, tightness test operation control system 7 are placed on production scene.
Liquid nitrogen storage tank 1 one end with from supercharging gasifier 2, be connected and realize tank inside function of increasing pressure, the other end is connected with liquid nitrogen pump 3, liquid nitrogen pump 3 is connected with water bath type vaporizer 4 gasification that realizes liquid nitrogen, water bath type vaporizer 4 is connected with air temperature type vaporizer 5 realizes the raising of nitrogen pressure increase temperature, air temperature type vaporizer 5 is connected with accumulator 6 by accumulator deposit high pressure nitrogen, when accumulator 6 is connected to tightness test with tightness test operation control system 7, by operating system, control accumulator and open, make high pressure nitrogen enter test pipeline.
Tightness test operation control system 7 control panels comprise: display 18, shows the pressure of tightness test, dwell time, gas cylinder numbering, the parameters such as realtime graphic of test gas cylinder constantly.Host computer 9, receives the various signals that also processes sensor is sent and it is presented on display.Power light 10, opens after general supply long bright.Relay indicating light 11, when equipment work duration bright.Overpressure alarm lamp 12, after pressure surpasses early warning pressure, flicker is reported to the police.Tensimeter 13, display device pressure.Precision pressure gauge 14, accurate display device pressure.Main valve 15, the total valve that between accumulator 6 and tightness test operation control system 7, pipeline is connected.Back-up valve 16, Open valve while carrying out tightness test.Blowdown valve 17, Open valve while having tested rear pressure release.
Claims (1)
1. tightness test and a nitrogen replaceable equipment for gas cylinder, is characterized in that: comprise liquid nitrogen storage tank, from supercharging gasifier, liquid nitrogen pump, water bath type vaporizer, air temperature type vaporizer, accumulator, tightness test operation control system, framework;
Liquid nitrogen storage tank (1), from supercharging gasifier (2) side by side accumbency in framework (8); The front end of framework (8) is placed with liquid nitrogen pump (3), air temperature type vaporizer (5), water bath type vaporizer (4);
In framework (8), liquid nitrogen storage tank (1) one end with from supercharging gasifier (2), be connected, the other end is connected with liquid nitrogen pump (3), liquid nitrogen pump (3) is connected with water bath type vaporizer (4), water bath type vaporizer (4) is connected with air temperature type vaporizer (5);
Outside framework (8), air temperature type vaporizer (5) is connected with accumulator (6), and accumulator (6) is connected with tightness test operation control system (7);
Tightness test operation control system (7) comprising: display (18), host computer (9), power light (10), relay indicating light (11), overpressure alarm lamp (12), tensimeter (13), precision pressure gauge (14), main valve (15), back-up valve (16), blowdown valve (17), pressure transducer (19), internal duct (20); Display (18) is connected with host computer (9) by cable, and is embedded in tightness test operation control system (7); Power light (10), relay indicating light (11), overpressure alarm lamp (12), be connected with host computer (9) by cable, and be embedded in tightness test operation control system (7); Tensimeter (13), precision pressure gauge (14), main valve (15), back-up valve (16), blowdown valve (17), is connected to internal duct (20) upper, and is embedded in tightness test operation control system (7); Pressure transducer (19) one end is connected to the upper other end of internal duct (20) and is connected on host computer (9) by cable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210035428.0A CN102589823B (en) | 2012-02-16 | 2012-02-16 | Airtightness test and nitrogen replacement device used for high-pressure air cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210035428.0A CN102589823B (en) | 2012-02-16 | 2012-02-16 | Airtightness test and nitrogen replacement device used for high-pressure air cylinder |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102589823A CN102589823A (en) | 2012-07-18 |
| CN102589823B true CN102589823B (en) | 2014-01-15 |
Family
ID=46478772
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210035428.0A Active CN102589823B (en) | 2012-02-16 | 2012-02-16 | Airtightness test and nitrogen replacement device used for high-pressure air cylinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102589823B (en) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104121475B (en) * | 2013-04-25 | 2016-12-28 | 中国石油化工股份有限公司 | A kind of circulator bath liquid nitrogen fast gasifying device and operational approach |
| CN103743583B (en) * | 2013-12-18 | 2016-08-17 | 南通太平洋海洋工程有限公司 | A kind of gas delivering pipe system pressure experimental device |
| CN104865020B (en) * | 2014-02-21 | 2018-02-16 | 陕西汽车集团有限责任公司 | Vehicular liquefied natural gas cylinder and gas cylinder special valve test platform |
| CN104764573B (en) * | 2014-09-29 | 2017-06-06 | 浙江吉利控股集团有限公司 | The air-leakage test and nitrogen displacement system and control method of dual-fuel automobile |
| CN104384810A (en) * | 2014-11-24 | 2015-03-04 | 新兴能源装备股份有限公司 | Low-temperature heat insulation gas cylinder horizontal seal head assembly device |
| CN104806505A (en) * | 2015-04-20 | 2015-07-29 | 中国石油化工股份有限公司 | Method for testing low-temperature and high-pressure plunger pump |
| CN105179934B (en) * | 2015-09-16 | 2018-05-25 | 神华集团有限责任公司 | The real gas method of replacing and device of Propylene Spherical Tanks |
| CN106855451A (en) * | 2015-12-09 | 2017-06-16 | 上海华林工业气体有限公司 | A kind of device and method that airtight test is carried out using liquid nitrogen supercharging gasification |
| CN106153275A (en) * | 2016-08-18 | 2016-11-23 | 洛阳双瑞特种装备有限公司 | A kind of gas pressure vessel air-leakage test and helium leak test method |
| CN106969901B (en) * | 2017-05-18 | 2023-02-28 | 西北工业大学 | Continuous high-speed wind tunnel liquid nitrogen cooling and transporting system |
| CN107620862A (en) * | 2017-07-31 | 2018-01-23 | 新兴能源装备股份有限公司 | A kind of blowing pipeline liquid nitrogen gasification device |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102011939A (en) * | 2010-10-28 | 2011-04-13 | 华南理工大学 | System and method for temperature reduction and pressure stabilization of liquefied natural gas storage tank |
| CN201827660U (en) * | 2010-10-28 | 2011-05-11 | 华南理工大学 | Cooling and pressure stabilizing system of liquefied natural gas storage tank |
| CN202389266U (en) * | 2011-10-26 | 2012-08-22 | 新兴能源装备股份有限公司 | Detection device of long-pipe trailer car |
-
2012
- 2012-02-16 CN CN201210035428.0A patent/CN102589823B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102011939A (en) * | 2010-10-28 | 2011-04-13 | 华南理工大学 | System and method for temperature reduction and pressure stabilization of liquefied natural gas storage tank |
| CN201827660U (en) * | 2010-10-28 | 2011-05-11 | 华南理工大学 | Cooling and pressure stabilizing system of liquefied natural gas storage tank |
| CN202389266U (en) * | 2011-10-26 | 2012-08-22 | 新兴能源装备股份有限公司 | Detection device of long-pipe trailer car |
Non-Patent Citations (2)
| Title |
|---|
| 刘润杰等.气瓶疲劳试验计算机自动控制系统.《化工装备技术》.2004,(第03期), * |
| 徐巧莲等.气瓶疲劳试验装置的发展及其应用.《化工装备技术》.2006,(第06期), * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102589823A (en) | 2012-07-18 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102589823B (en) | Airtightness test and nitrogen replacement device used for high-pressure air cylinder | |
| CN204255583U (en) | A kind of can the withstand voltage and tightness test system of the industrial gas cylinder of telemonitoring | |
| CN205449409U (en) | Airtight pressure measurement | |
| CN108332045A (en) | Gas drive pumps skid hydrogenation plant | |
| CN202994495U (en) | Hydraulic test bench | |
| CN207528411U (en) | A kind of anti-gas-leak detection device for watch back shell air-tightness | |
| CN204226343U (en) | A kind of self-monitoring hydraulic jack | |
| CN204269301U (en) | A kind of automobile altitude valve leak-testing apparatus | |
| CN202851518U (en) | Digital display hydraulic cylinder | |
| CN204027786U (en) | The unobstructed instruments of inspection of a kind of dehydrating breather | |
| CN202903419U (en) | Sealing device for RH refining furnace vacuum degree detection | |
| CN204203005U (en) | A kind of integral type gas cylinder air pressure and test device for air tightness | |
| CN201680987U (en) | Marine safety valve testing platform | |
| CN204740110U (en) | Urea heating pipe detection device | |
| CN201696859U (en) | Maintenance-free high-pressure gas cartridge combined device | |
| CN207716085U (en) | Gas drive pumps skid hydrogenation plant | |
| CN103398824A (en) | Detection device for exhaust manifold pipe air tightness | |
| CN204287132U (en) | A kind of oil chromatography on-Line Monitor Device being convenient to supervision nebulizer gas pressure | |
| CN206876500U (en) | A kind of burst disk test fixture | |
| CN205861311U (en) | Welded insulated gas cylinder inner bag plate air pressure testing device | |
| CN213874772U (en) | Energy accumulator and pressure measuring device thereof | |
| CN203908737U (en) | Leak detection device | |
| CN203562266U (en) | Oil conservator | |
| CN204140362U (en) | Supercharging air leak tester | |
| CN218002831U (en) | Device for rapidly detecting air tightness of cast cylinder body |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |