CN105179927B - Helium recovery unit - Google Patents

Helium recovery unit Download PDF

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Publication number
CN105179927B
CN105179927B CN201510318817.8A CN201510318817A CN105179927B CN 105179927 B CN105179927 B CN 105179927B CN 201510318817 A CN201510318817 A CN 201510318817A CN 105179927 B CN105179927 B CN 105179927B
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China
Prior art keywords
pressure
tank
liquid nitrogen
gasholder
low pressure
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Application number
CN201510318817.8A
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Chinese (zh)
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CN105179927A (en
Inventor
李斌
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Chengdu Weideng Valve Technology Co Ltd
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Chengdu Weideng Valve Technology Co Ltd
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Priority to CN201510318817.8A priority Critical patent/CN105179927B/en
Publication of CN105179927A publication Critical patent/CN105179927A/en
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Abstract

The present invention provides a kind of helium recovery unit, and the helium recovery unit includes interconnected high pressure tank, low pressure gasholder and liquid nitrogen case;Liquid nitrogen case is internally provided with detected member, and the air inlet of low pressure gasholder and gas outlet are connected to pneumatic filter, and high pressure tank is connected to pressure pan pressure switch, booster pump is connected between high pressure tank and low pressure gasholder.

Description

Helium recovery unit
Technical field
Present invention relates particularly to a kind of helium recovery unit.
Background technology
In existing ultra-low temperature container performance test, it will usually a kind of expensive inert gas --- helium is used, as Tested media, in test process, substantial amounts of helium can be consumed, these helium are all directly emptied in air, cause to waste, together When add such Product checking cost;So a kind of helium recovery unit is needed badly to solve the above problems.
The content of the invention
In view of the above-mentioned deficiencies in the prior art, it is an object of the present invention to a kind of helium recovery unit is provided, helium recovery dress Put to solve the above problems well.
To reach above-mentioned requirements, the present invention adopts the technical scheme that:A kind of helium recovery unit is provided, the helium recovery Device includes interconnected high pressure tank, low pressure gasholder and liquid nitrogen case;Liquid nitrogen case is internally provided with detected member, low pressure The air inlet of air accumulator and gas outlet are connected to pneumatic filter, and high pressure tank is connected to pressure pan pressure switch, high pressure storage Booster pump is connected between gas tank and low pressure gasholder.
The helium recovery unit has the advantage that as follows:
The helium recovery unit is by setting low-pressure tank pressure switch, pressure pan pressure switch and pneumatic filter etc. The helium recovery that part will be directly discharged in air originally, is recycled, so as to reduce the testing cost of such product.With regard to surveying For trying cost, after the present apparatus, for different products, highest can reduce testing cost more than 50%.
Brief description of the drawings
Accompanying drawing described herein is used for providing further understanding of the present application, the part of the application is formed, at this Same or analogous part, the schematic description and description of the application are represented using identical reference number in a little accompanying drawings For explaining the application, the improper restriction to the application is not formed.In the accompanying drawings:
Fig. 1 schematically shows the structural representation of the helium recovery unit according to the application one embodiment.
Wherein:1st, helium tank;2nd, high pressure tank;3rd, low pressure gasholder;4th, booster pump;5th, liquid nitrogen case;6th, detected member; 7th, vial;8th, flowmeter;9th, pressure-reducing valve;10th, pressure gauge;11st, gas cylinder switchs;12nd, air inlet crossover tee valve;13rd, air inlet needle Type valve;14th, it is vented needle valve;15th, it is vented crossover tee valve;16th, low-pressure tank pressure switch;17th, pressure pan pressure switch; 18th, pneumatic filter.
Embodiment
To make the purpose, technical scheme and advantage of the application clearer, below in conjunction with drawings and the specific embodiments, to this Application is described in further detail.
In the following description, the reference to " one embodiment ", " embodiment ", " example ", " example " etc. shows The embodiment or example so described can include special characteristic, structure, characteristic, property, element or limit, but not each real Applying example or example all necessarily includes special characteristic, structure, characteristic, property, element or limit.In addition, reuse phrase " according to One embodiment of the application " is not necessarily referring to identical embodiment although it is possible to refer to identical embodiment.
For the sake of simplicity, eliminate that well known to a person skilled in the art some technical characteristics in describing below.
According to one embodiment of the application, there is provided a kind of helium recovery unit, as shown in figure 1, including be interconnected High pressure tank 2, low pressure gasholder 3 and liquid nitrogen case 5;The liquid nitrogen case 5 is internally provided with detected member 6, the low pressure gas storage The air inlet of tank 3 and gas outlet are connected to pneumatic filter 18, and the high pressure tank 2 is connected to pressure pan pressure switch 17, Booster pump 4 is connected between the high pressure tank 2 and low pressure gasholder 3.
According to one embodiment of the application, be connected on the low pressure gasholder 3 of the helium recovery unit low pressure pressure tank after Electrical equipment 16.
According to one embodiment of the application, the low pressure gasholder 3 and liquid nitrogen case 5 of the helium recovery unit pass through exhaust Crossover tee valve 15 is connected with vial 7, and the vial 7 is connected with flowmeter 8, the He of exhaust crossover tee valve 15 Exhaust needle valve 14 is provided between liquid nitrogen case 5.
According to one embodiment of the application, the liquid nitrogen case 5 of the helium recovery unit is indirectly with the high pressure tank 2 There are pressure-reducing valve 9, pressure gauge 10, air inlet crossover tee valve 12 and air inlet needle valve 13.
According to one embodiment of the application, the air inlet crossover tee valve 12 of the helium recovery unit switchs 11 by gas cylinder It is connected with helium tank 1.
The helium recovery unit is by setting low-pressure tank pressure switch, pressure pan pressure switch and pneumatic filter etc. The helium recovery that part will be directly discharged in air originally, is recycled, so as to reduce the testing cost of such product.With regard to surveying For trying cost, after the present apparatus, for different products, highest can reduce testing cost more than 50%;The present apparatus is being tested Increase a low pressure gasholder 3 behind device, then another high pressure tank 2 is pumped into by booster pump 4, then connected by high-voltage tube It is connected in tested container and is tested.Whole process closed-loop control, gas recovery are also pollution-free.
According to one embodiment of the application, the helium recovery unit helium recovery unit is by setting low pressure pressure tank The parts such as relay 16, pressure pan pressure switch 17 and pneumatic filter 18 return the helium being directly discharged to originally in air Receive, recycle, so as to reduce the testing cost of such product.For testing cost, after the present apparatus, for different Product, highest can reduce testing cost more than 50%.
Embodiment described above only represents the several embodiments of the present invention, and its description is more specific and detailed, but not It is understood that as limitation of the scope of the invention.It should be pointed out that for the person of ordinary skill of the art, do not departing from On the premise of present inventive concept, various modifications and improvements can be made, these belong to the scope of the present invention.Therefore this hair Bright protection domain should be defined by the claim.

Claims (1)

  1. A kind of 1. helium recovery unit, it is characterised in that:Including interconnected high pressure tank (2), low pressure gasholder (3) and Liquid nitrogen case (5);The liquid nitrogen case (5) is internally provided with detected member (6), the air inlet and outlet of the low pressure gasholder (3) Mouth is connected to pneumatic filter (18), and the high pressure tank (2) is connected to pressure pan pressure switch (17), the high-pressure gas Booster pump (4) is connected between tank (2) and low pressure gasholder (3);Low-pressure tank pressure switch is connected on the low pressure gasholder (3) (16);Low pressure gasholder (3) and liquid nitrogen case (5) are connected by being vented crossover tee valve (15) with vial (7), the alcohol Bottle (7) is connected with flowmeter (8), and exhaust needle valve is provided between the exhaust crossover tee valve (15) and liquid nitrogen case (5) (14);Another high pressure tank (2) is pumped into by booster pump (4), then is connected in tested container and carried out by high-voltage tube Test, whole process closed-loop control, gas recovery is also pollution-free;The liquid nitrogen case (5) is indirectly with the high pressure tank (2) There are pressure-reducing valve (9), pressure gauge (10), air inlet crossover tee valve (12) and air inlet needle valve (13);The air inlet crossover tee valve (12) (11) are switched by gas cylinder with helium tank (1) to be connected.
CN201510318817.8A 2015-06-11 2015-06-11 Helium recovery unit Active CN105179927B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201510318817.8A CN105179927B (en) 2015-06-11 2015-06-11 Helium recovery unit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201510318817.8A CN105179927B (en) 2015-06-11 2015-06-11 Helium recovery unit

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Publication Number Publication Date
CN105179927A CN105179927A (en) 2015-12-23
CN105179927B true CN105179927B (en) 2018-03-06

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Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105526500A (en) * 2016-01-08 2016-04-27 上海启元空分技术发展股份有限公司 Liquid nitrogen recovering device and method
CN105546338B (en) * 2016-01-22 2017-08-25 池州森大轻工制品有限公司 Residual gas retracting device in a kind of transfer cask
CN105650462B (en) * 2016-02-25 2017-12-15 常州墨之萃科技有限公司 A kind of recovery, storage and the reutilization system of graphene reacting gas
CN106642994A (en) * 2016-11-23 2017-05-10 安徽皖拓自动化有限公司 Control system for cryogenic experiment device for low-temperature valve
CN112832720B (en) * 2021-03-25 2022-10-11 中国海洋石油集团有限公司 Method for recovering methane gas in hydrate reactor

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101957294A (en) * 2010-10-20 2011-01-26 合肥通用机械研究院 Saving type valve low temperature test system
CN103318427A (en) * 2013-06-25 2013-09-25 上海宇航系统工程研究所 Space environment simulation testing system
CN203745156U (en) * 2013-12-05 2014-07-30 珠海格力电器股份有限公司 Workpiece leak detecting device
CN104089183A (en) * 2014-06-26 2014-10-08 苏州衡微仪器科技有限公司 Helium circulation, purification and storage system
CN204986386U (en) * 2015-06-11 2016-01-20 成都威登阀门技术有限公司 Helium recovery device

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000283395A (en) * 1999-03-29 2000-10-13 Air Liquide Japan Ltd Liquefied gas storage and supply facility

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101957294A (en) * 2010-10-20 2011-01-26 合肥通用机械研究院 Saving type valve low temperature test system
CN103318427A (en) * 2013-06-25 2013-09-25 上海宇航系统工程研究所 Space environment simulation testing system
CN203745156U (en) * 2013-12-05 2014-07-30 珠海格力电器股份有限公司 Workpiece leak detecting device
CN104089183A (en) * 2014-06-26 2014-10-08 苏州衡微仪器科技有限公司 Helium circulation, purification and storage system
CN204986386U (en) * 2015-06-11 2016-01-20 成都威登阀门技术有限公司 Helium recovery device

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