CN113188041B - Balance system and process for controlling pressure and temperature in pressure container - Google Patents
Balance system and process for controlling pressure and temperature in pressure container Download PDFInfo
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- CN113188041B CN113188041B CN202110487351.XA CN202110487351A CN113188041B CN 113188041 B CN113188041 B CN 113188041B CN 202110487351 A CN202110487351 A CN 202110487351A CN 113188041 B CN113188041 B CN 113188041B
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- pipeline
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- cooling
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C13/00—Details of vessels or of the filling or discharging of vessels
- F17C13/02—Special adaptations of indicating, measuring, or monitoring equipment
- F17C13/025—Special adaptations of indicating, measuring, or monitoring equipment having the pressure as the parameter
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C13/00—Details of vessels or of the filling or discharging of vessels
- F17C13/02—Special adaptations of indicating, measuring, or monitoring equipment
- F17C13/026—Special adaptations of indicating, measuring, or monitoring equipment having the temperature as the parameter
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C13/00—Details of vessels or of the filling or discharging of vessels
- F17C13/04—Arrangement or mounting of valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C5/00—Methods or apparatus for filling containers with liquefied, solidified, or compressed gases under pressures
- F17C5/06—Methods or apparatus for filling containers with liquefied, solidified, or compressed gases under pressures for filling with compressed gases
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
Abstract
The invention relates to the technical field of pressure container balance, and particularly discloses a balance system for controlling pressure and temperature in a pressure container, wherein the balance system is controlled by a control unit and comprises a gas storage tank, the pressure container, a compressor and a vacuum pump, a gas outlet of the gas storage tank is connected with a gas outlet pipeline A, the gas outlet pipeline A is connected with a gas outlet pipeline B, a gas outlet pipeline C, a cooling pipeline A, a cooling pipeline B and a gas outlet pipeline D in parallel, and the gas outlet pipeline B is connected with a gas inlet of the pressure container; the air outlet pipeline C is communicated with the air outlet pipeline B; the cooling pipeline A is connected with a cooling pipeline C. The vacuum pump in the balance system firstly pumps vacuum in the pressure container, then high-purity argon is added into the pressure container through the four stages of the gas storage tank, and when the pressure in the compressor is equal to the pressure in the gas storage tank in the gas inlet process, the compressor is started for adjustment, so that the problem of unbalanced pressure and temperature in the pressure container is solved, and meanwhile, the potential safety hazard is prevented.
Description
Technical Field
The invention belongs to the technical field of pressure vessel balance, and particularly relates to a balance system and a process for controlling pressure and temperature in a pressure vessel.
Background
The air storage tank is not provided with a cooling system generally, the ambient temperature has great influence on the air storage tank, and the air storage tank is even exploded due to overhigh temperature; pressure vessel is gaseous or liquid of splendid attire and bears the closing equipment of certain pressure, ordinary pressure vessel takes place to rock easily when pouring into the raw materials, even topple over the phenomenon, this can cause certain cost loss or even produce dangerous accident, current pressure vessel has cooling system, and ambient temperature is very big to pressure vessel's influence, need carry out pressurize heat preservation to the raw materials of storage in the pressure vessel many times, increase factor of safety, the treatment effect of work piece when hot isostatic pressing is handled has been decided to cooling temperature and the speed of the cooling system in the pressure vessel, so need a balanced system to balance pressure and the temperature of gas in pressure vessel and the gas holder now.
Disclosure of Invention
It is an object of the present invention to provide a balance system and process for controlling pressure and temperature within a pressure vessel to solve the above problems.
In order to solve the technical problems, the invention provides a balance system for controlling the pressure and the temperature in a pressure container, which is controlled by a control unit and comprises a gas storage tank, the pressure container, a compressor and a vacuum pump, wherein a gas outlet of the gas storage tank is connected with a gas outlet pipeline A, the gas outlet pipeline A is connected with a gas outlet pipeline B, a gas outlet pipeline C, a cooling pipeline A, a cooling pipeline B and a gas outlet pipeline D in parallel, the gas outlet pipeline A is provided with a stop valve A, the stop valve A is arranged between the gas outlet pipeline C and the cooling pipeline A, the gas outlet pipeline B is sequentially provided with a pressure limiting protection device, a pressure converter, a stop valve B, a throttle valve A, a one-way valve A, a throttle valve B and a stop valve C, the gas outlet pipeline C is provided with the stop valve D and the stop valve E, the cooling pipeline A is provided with the one-way valve B, the cooling pipeline B is provided with the stop valve F, the gas outlet pipeline D is provided with the stop valve G, and the gas outlet pipeline B is connected with a gas inlet of the pressure container; the air outlet pipeline C is communicated with the air outlet pipeline B; the cooling pipeline A is connected with a cooling pipeline C, the compressors are respectively arranged on the cooling pipeline A and the cooling pipeline C, the other end of the cooling pipeline C is communicated with the air outlet pipeline C, the joint of the air outlet pipeline C and the cooling pipeline C is also connected with an exhaust pipeline, the exhaust pipeline is provided with a stop valve I, the exhaust pipeline is connected with a cooling pipeline F, and the cooling pipeline F is provided with a stop valve J; the cooling pipeline B is communicated with the cooling pipeline A, a cooling pipeline E is arranged between the cooling pipeline A and the air outlet pipeline D, and a stop valve H is arranged on the cooling pipeline E; the air outlet pipeline D is connected with a cooling pipeline D, and the other end of the cooling pipeline D is communicated with the air outlet pipeline B; the pressure container is connected with the gas collection system through a vacuum discharge pipeline, the vacuum pump is arranged on the vacuum discharge pipeline, and a stop valve K is arranged on the vacuum discharge pipeline.
The invention also provides a balanced system process for controlling the pressure and the temperature in the pressure vessel, which comprises the following specific steps:
s1, placing a product into a pressure container;
s2, adopting a vacuum pump to pump vacuum in the pressure container;
s3, after the vacuum pumping is finished, all stop valves are in a closed state, the gas storage tank adds high-purity argon into the pressure container through five parallel pipelines of the gas outlet pipeline A, the pressure in the gas outlet pipeline A is 14-20MPa, the five parallel pipelines on the gas outlet pipeline A are divided into four stages for gas inlet, the pressure container is heated in the four stages of gas inlet processes, when the pressure in the compressor is equal to the pressure in the gas storage tank, all valves and compressors on the cooling pipeline A and the cooling pipeline C are all opened to balance the pressure and the temperature in the pressure container, and all the stop valves are electromagnetic valves;
air intake in the first stage: the control unit sends out an instruction to open the stop valve B, the throttle valve B, the stop valve E and the stop valve C, high-purity argon is added into the pressure container, and the pressure in the pressure container is controlled to be 0.1MPa;
and (3) air inlet in the second stage: when the pressure reaches 0.1MPa, the control unit sends out an instruction to open the stop valve D, the throttle valve B and the stop valve C, high-purity argon is added into the pressure container, and the pressure in the pressure container is controlled to be 0.2MPa;
and (3) air inlet in the third stage: when the pressure reaches 0.2MPa, the control unit transmits an instruction to open the stop valve D, the stop valve E and the stop valve C, and simultaneously high-purity argon is added into the pressure container, and the pressure in the pressure container is controlled to be 1MPa;
the fourth stage of air inlet: when the pressure reaches 1MPa, the control unit transmits an instruction to open the stop valve A, the stop valve D, the stop valve E, the stop valve C and the stop valve G, and simultaneously high-purity argon is added into the pressure container, and the pressure in the pressure container is controlled to be 100-150MPa;
s4, carrying out heat preservation and pressure maintaining in a pressure container, wherein the heat preservation temperature is 1160-1200 ℃, the heat preservation pressure is 100-150MPa, and the heat preservation time is 3.5-4h;
s5, a cooling stage: after heat preservation and pressure maintaining, the control unit transmits instructions to open the stop valve A, the compressor, the one-way valve B, the stop valve F, the stop valve H, the stop valve E and the stop valve J, and simultaneously cools the pressure container, so that the pressure container is rapidly cooled;
and S6, after cooling is finished, the control unit sends out an instruction to open the stop valve C, the stop valve E and the stop valve I for exhausting, so that the high-purity argon in the pressure container is exhausted to the gas collecting system, and the product of the pressure container is taken out after exhausting is finished.
The balance system has the beneficial effects that the vacuum pump in the balance system completely pumps vacuum in the pressure container, the gas storage tank firstly adds high-purity argon gas into the pressure container through four stages, the compressor is started to adjust the pressure and the temperature in the pressure container when the pressure in the compressor is equal to the pressure in the gas storage tank in the gas inlet process, the problem of unbalanced pressure and temperature in the pressure container is solved, and the pressure container is cooled through the cooling stage, so that the potential safety hazard problem caused by overhigh temperature and pressure is solved.
Drawings
In order to more clearly illustrate the technical solution of the present invention, the drawings needed for the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
FIG. 1 is an overall block diagram of a balance system and process for controlling pressure and temperature within a pressure vessel;
in the figure: 1-gas storage tank, 2-pressure vessel, 3-compressor, 4-vacuum pump, 5-gas outlet pipeline A, 6-gas outlet pipeline B, 7-gas outlet pipeline C, 8-cooling pipeline A, 9-cooling pipeline C, 10-cooling pipeline B, 11-gas outlet pipeline D, 12-cooling pipeline E, 13-gas outlet pipeline, 14-cooling pipeline D, 15-cooling pipeline F, 16-row vacuum pipeline, 17-gas collection system, 18-stop valve A, 19-check valve B, 20-stop valve F, 21-stop valve H, 22-stop valve G, 23-stop valve I, 24-stop valve J, 25-stop valve K, 61-pressure limiting protection device, 62-pressure converter, 63-stop valve B, 64-throttle valve A, 65-check valve A, 66-throttle valve B, 67-stop valve C, 71-stop valve D, 72-stop valve E.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings of the present specification, and it is to be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In a specific embodiment of the present invention, as shown in fig. 1, a balance system for controlling pressure and temperature in a pressure vessel is specifically disclosed, the balance system is controlled by a control unit, and includes an air storage tank 1, a pressure vessel 2, a compressor 3 and a vacuum pump 4, an air outlet of the air storage tank 1 is connected to an air outlet pipeline A5, the air outlet pipeline A5 is provided with a stop valve a18, and the stop valve a18 is arranged between the air outlet pipeline C7 and the cooling pipeline A8.
The gas outlet pipeline A5 is connected with a gas outlet pipeline B6, a gas outlet pipeline C7, a cooling pipeline A8, a cooling pipeline B10 and a gas outlet pipeline D11 in parallel, the gas outlet pipeline B6 is connected with a gas inlet of the pressure container 2, and the gas outlet pipeline B6 is sequentially provided with a pressure limiting protection device 61, a pressure converter 62, a stop valve B63, a throttle valve A64, a check valve A65, a throttle valve B66 and a stop valve C67.
The air outlet pipeline C7 is communicated with the air outlet pipeline B6; cooling tube A8 even has cooling tube C9, compressor 3 sets up respectively cooling tube A8 with on the cooling tube C9, compressor 3 quantity is four, four compressor 3 divide two sets of parallelly connected settings to be in cooling tube A8 with on the cooling tube C9, cooling tube C9's the other end with it communicates to give vent to anger pipeline C7, be equipped with stop valve D71 and stop valve E72 on the pipeline C7 of giving vent to anger, give vent to anger pipeline C7 with cooling tube C9's junction still links exhaust duct 13, be equipped with stop valve I23 on the exhaust duct 13, be equipped with stop valve J24 on the cooling tube F15, be equipped with stop valve K25 on the evacuation pipeline 16, it has cooling tube F15 to link on the exhaust duct 13, compressor 3 be used for adjusting cooling tube A8 with the temperature and the pressure of argon gas in the cooling tube C9, be equipped with check valve B19 on the cooling tube A8.
Cooling duct B10 with cooling duct A8 intercommunication, cooling duct A8 with be equipped with cooling duct E12 between the pipeline D11 of giving vent to anger, be equipped with stop valve F20 on the cooling duct B10, be equipped with stop valve H21 on the cooling duct E12.
And the air outlet pipeline D11 is connected with a cooling pipeline D14, the other end of the cooling pipeline D14 is communicated with the air outlet pipeline B6, and the air outlet pipeline D11 is provided with a stop valve G22.
The pressure vessel 2 is connected with a gas collecting system 17 through a vacuum exhaust pipeline 16, and the vacuum pump 4 is arranged on the vacuum exhaust pipeline 16.
The embodiment also discloses a balanced system process for controlling the pressure and the temperature in the pressure vessel, which comprises the following specific steps:
s1, placing a product into a pressure container 2;
s2, vacuum in the pressure container 2 is pumped by a vacuum pump 4;
s3, after the vacuum pumping is finished, all stop valves are in a closed state, high-purity argon is added into the pressure container 2 through five parallel pipelines of the gas outlet pipeline A5 by the gas storage tank 1, the pressure in the gas outlet pipeline A5 is 19.0MPa, the five parallel pipelines of the gas outlet pipeline A5 are divided into four stages for gas inlet, the pressure container 2 is heated in the four stages for gas inlet, when the pressure in the compressor 3 is equal to the pressure in the gas storage tank 1, all valves on the cooling pipeline A8 and the cooling pipeline C9 and the compressor 3 are all opened to balance the pressure and the temperature in the pressure container 2, and all the stop valves are electromagnetic valves;
air intake in the first stage: the control unit sends out an instruction to open a stop valve B63, a throttle valve B66, a stop valve E72 and a stop valve C67, high-purity argon is added into the pressure container 2, and the pressure in the pressure container 2 is controlled to be 0.1MPa;
and (3) air inlet in the second stage: when the pressure reaches 0.1MPa, the control unit transmits an instruction to open a stop valve D71, a throttle valve B66 and a stop valve C67, high-purity argon is added into the pressure container 2, and the pressure in the pressure container 2 is controlled to be 0.2MPa;
and (3) air intake in the third stage: when the pressure reaches 0.2MPa, the control unit transmits an instruction to open the stop valve D71, the stop valve E72 and the stop valve C67, and simultaneously high-purity argon is added into the pressure container 2, and the pressure in the pressure container 2 is controlled to be 1MPa;
and (3) air inlet in the fourth stage: when the pressure reaches 1MPa, the control unit sends out an instruction to open the stop valve A18, the stop valve D71, the stop valve E72, the stop valve C67 and the stop valve G22, and simultaneously high-purity argon is added into the pressure container 2, and the pressure in the pressure container 2 is controlled at 103MPa;
s4, carrying out heat preservation and pressure maintaining in the pressure container 2, wherein the heat preservation temperature is 1163 ℃, the heat preservation pressure is 103MPa, and the heat preservation time is 3.5h;
s5, cooling: after heat preservation and pressure maintaining, the control unit sends out an instruction to open the stop valve A18, the compressor 3, the one-way valve B19, the stop valve F20, the stop valve H21, the stop valve E72 and the stop valve J24, and simultaneously cools the pressure container 2, so that the pressure container 2 is rapidly cooled;
s6, after cooling is finished, the control unit sends out an instruction to open the stop valve C67, the stop valve E72 and the stop valve I23 for exhausting, so that the high-purity argon in the pressure container 2 is exhausted to the gas collecting system 17, and after exhausting is finished, the product of the pressure container 2 is taken out.
The above disclosure is only one preferred embodiment of the present invention, and certainly should not be construed as limiting the scope of the invention, which is defined by the claims and their equivalents.
Claims (1)
1. The balance system is characterized by comprising a gas storage tank (1), a pressure container (2), a compressor (3) and a vacuum pump (4), wherein a gas outlet of the gas storage tank (1) is connected with a gas outlet pipeline A (5), the gas outlet pipeline A (5) is connected with a gas outlet pipeline B (6), a gas outlet pipeline C (7), a cooling pipeline A (8), a cooling pipeline B (10) and a gas outlet pipeline D (11) in parallel, a stop valve A (18) is arranged on the gas outlet pipeline A (5), the stop valve A (18) is arranged between the gas outlet pipeline C (7) and the cooling pipeline A (8), a check valve B (19) is arranged on the cooling pipeline A (8), a stop valve F (20) is arranged on the cooling pipeline B (10), a stop valve G (22) is arranged on the gas outlet pipeline D (11), and the gas outlet pipeline B (6) is connected with a gas inlet of the pressure container (2); the air outlet pipeline C (7) is communicated with the air outlet pipeline B (6), and the air outlet pipeline B (6) is sequentially provided with a pressure limiting protection device (61), a pressure transducer (62), a stop valve B (63), a throttle valve A (64), a one-way valve A (65), a throttle valve B (66) and a stop valve C (67); the cooling pipeline A (8) is connected with a cooling pipeline C (9), the compressor (3) is arranged on the cooling pipeline A (8) and the cooling pipeline C (9) respectively, the other end of the cooling pipeline C (9) is communicated with the air outlet pipeline C (7), the joint of the air outlet pipeline C (7) and the cooling pipeline C (9) is also connected with an exhaust pipeline (13), the exhaust pipeline (13) is provided with a stop valve I (23), the air outlet pipeline C (7) is provided with a stop valve D (71) and a stop valve E (72), the exhaust pipeline (13) is connected with a cooling pipeline F (15), and the cooling pipeline F (15) is provided with a stop valve J (24); the cooling pipeline B (10) is communicated with the cooling pipeline A (8), a cooling pipeline E (12) is arranged between the cooling pipeline A (8) and the air outlet pipeline D (11), and a stop valve H (21) is arranged on the cooling pipeline E (12); the air outlet pipeline D (11) is connected with a cooling pipeline D (14), and the other end of the cooling pipeline D (14) is communicated with the air outlet pipeline B (6); the pressure container (2) is connected with the gas collection system (17) through a vacuum discharge pipeline (16), the vacuum pump (4) is arranged on the vacuum discharge pipeline (16), and a stop valve K (25) is arranged on the vacuum discharge pipeline (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110487351.XA CN113188041B (en) | 2021-05-05 | 2021-05-05 | Balance system and process for controlling pressure and temperature in pressure container |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110487351.XA CN113188041B (en) | 2021-05-05 | 2021-05-05 | Balance system and process for controlling pressure and temperature in pressure container |
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| CN113188041A CN113188041A (en) | 2021-07-30 |
| CN113188041B true CN113188041B (en) | 2023-03-14 |
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Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2307221A1 (en) * | 1975-03-25 | 1976-11-05 | Hag Ag | PROCESS FOR TRANSFERRING A GAS FROM A PRESSURE REACTOR TO A STORAGE TANK |
| DE60315197D1 (en) * | 2002-04-10 | 2007-09-06 | Linde Ag | Method for conveying cryogenic liquids |
| CN103007577A (en) * | 2012-12-28 | 2013-04-03 | 河南中分仪器股份有限公司 | Device for filling gas chromatographic column |
| CN103672396A (en) * | 2013-11-15 | 2014-03-26 | 苏州金宏气体股份有限公司 | Method for recycling released and emptying gas of high-purity gas liquid storage tank |
| CN104197192A (en) * | 2014-08-19 | 2014-12-10 | *** | Argon recycling and filling device |
| CN104614036A (en) * | 2015-02-03 | 2015-05-13 | 焦作市锅炉压力容器检验所 | System and method for measuring volume of tank body of tank truck |
| CN105202360A (en) * | 2015-09-16 | 2015-12-30 | 四川菲博斯科技有限责任公司 | SF6 air inflation equipment of electrical equipment |
| CN107922036A (en) * | 2015-06-02 | 2018-04-17 | 大宇造船海洋株式会社 | Ship |
| CN109132000A (en) * | 2018-06-27 | 2019-01-04 | 燕山大学 | Pressure vessel nitrogen-filled packaging system with Staged cotrol |
| CN109185695A (en) * | 2018-09-25 | 2019-01-11 | 武汉钢铁集团气体有限责任公司 | A kind of high pressure gas charging system and its methods for filling |
| CN111089228A (en) * | 2020-01-22 | 2020-05-01 | 江苏省送变电有限公司 | Ultra-pure SF6 pipeline gas transmission system |
| CN212408277U (en) * | 2020-04-24 | 2021-01-26 | 国网新疆电力有限公司检修公司 | Air charging system |
| CN112303486A (en) * | 2020-11-24 | 2021-02-02 | 中国成达工程有限公司 | Balancing system with spherical tank outlet arranged at upper pole |
-
2021
- 2021-05-05 CN CN202110487351.XA patent/CN113188041B/en active Active
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2307221A1 (en) * | 1975-03-25 | 1976-11-05 | Hag Ag | PROCESS FOR TRANSFERRING A GAS FROM A PRESSURE REACTOR TO A STORAGE TANK |
| DE60315197D1 (en) * | 2002-04-10 | 2007-09-06 | Linde Ag | Method for conveying cryogenic liquids |
| CN103007577A (en) * | 2012-12-28 | 2013-04-03 | 河南中分仪器股份有限公司 | Device for filling gas chromatographic column |
| CN103672396A (en) * | 2013-11-15 | 2014-03-26 | 苏州金宏气体股份有限公司 | Method for recycling released and emptying gas of high-purity gas liquid storage tank |
| CN104197192A (en) * | 2014-08-19 | 2014-12-10 | *** | Argon recycling and filling device |
| CN104614036A (en) * | 2015-02-03 | 2015-05-13 | 焦作市锅炉压力容器检验所 | System and method for measuring volume of tank body of tank truck |
| CN107922036A (en) * | 2015-06-02 | 2018-04-17 | 大宇造船海洋株式会社 | Ship |
| CN105202360A (en) * | 2015-09-16 | 2015-12-30 | 四川菲博斯科技有限责任公司 | SF6 air inflation equipment of electrical equipment |
| CN109132000A (en) * | 2018-06-27 | 2019-01-04 | 燕山大学 | Pressure vessel nitrogen-filled packaging system with Staged cotrol |
| CN109185695A (en) * | 2018-09-25 | 2019-01-11 | 武汉钢铁集团气体有限责任公司 | A kind of high pressure gas charging system and its methods for filling |
| CN111089228A (en) * | 2020-01-22 | 2020-05-01 | 江苏省送变电有限公司 | Ultra-pure SF6 pipeline gas transmission system |
| CN212408277U (en) * | 2020-04-24 | 2021-01-26 | 国网新疆电力有限公司检修公司 | Air charging system |
| CN112303486A (en) * | 2020-11-24 | 2021-02-02 | 中国成达工程有限公司 | Balancing system with spherical tank outlet arranged at upper pole |
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| CN113188041A (en) | 2021-07-30 |
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