CN111457244B - Clean working medium filling device for Stirling refrigerating and heating products and operation method - Google Patents
Clean working medium filling device for Stirling refrigerating and heating products and operation method Download PDFInfo
- Publication number
- CN111457244B CN111457244B CN202010384268.5A CN202010384268A CN111457244B CN 111457244 B CN111457244 B CN 111457244B CN 202010384268 A CN202010384268 A CN 202010384268A CN 111457244 B CN111457244 B CN 111457244B
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- valve
- vacuum
- pipeline
- pump
- inflation
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 39
- 238000000034 method Methods 0.000 title claims abstract description 8
- 238000007599 discharging Methods 0.000 claims abstract description 7
- 238000004140 cleaning Methods 0.000 claims 1
- 239000012535 impurity Substances 0.000 abstract description 2
- 230000007774 longterm Effects 0.000 abstract description 2
- 238000005057 refrigeration Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 1
- 230000000593 degrading effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
Classifications
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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
- F17C5/00—Methods or apparatus for filling containers with liquefied, solidified, or compressed gases under pressures
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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
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- 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
- 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
- F17C2223/00—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel
- F17C2223/03—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel characterised by the pressure level
-
- 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
- F17C2250/00—Accessories; Control means; Indicating, measuring or monitoring of parameters
- F17C2250/03—Control means
-
- 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
- F17C2250/00—Accessories; Control means; Indicating, measuring or monitoring of parameters
- F17C2250/06—Controlling or regulating of parameters as output values
- F17C2250/0689—Methods for controlling or regulating
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
- Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
Abstract
The invention discloses a clean working medium filling device for Stirling refrigerating and heating products and an operation method. The device comprises a high-purity working medium gas cylinder, a pressure reducing valve, an inflation pipeline stop valve, a vacuum pipeline valve, a high-vacuum pump, a backing pump, an operation table top, a low-temperature pump group, an inflation valve, a deflation valve and a deflation port. The charging valve is used for connecting the device with a Stirling refrigerating and heating product; the high vacuum pump, the backing pump and the low temperature pump set are used for vacuumizing the Stirling refrigerating and heating product and removing impurity gas in the Stirling refrigerating and heating product; the high-purity working medium gas cylinder is used for storing high-purity working medium gas, and working medium is filled into the Stirling refrigerating and heating product through the pressure pipeline; the air release port is used for discharging redundant air in the pipeline. The device has the advantages that the device and the operation method are used for filling working media, so that the purity of the working media filled in Stirling refrigerating and heating products can be ensured, and the performance stability and the long service life of the products in long-term operation are ensured.
Description
Technical field:
the invention relates to a clean working medium filling device for a Stirling refrigerating and heating product and an operation method of the device.
The background technology is as follows:
The service life of Stirling refrigerating and heating products and the performance stability during the service life running are directly related to the purity of working media in the products. If the charged working medium in the product is impure, the impurity gas is continuously gathered and condensed towards the low-temperature end along with the operation of the product. Thereby blocking the gas path or increasing the heat transfer resistance and degrading the refrigeration (or heating) performance of the Stirling product. In order to ensure the purity of the working medium in the Stirling refrigeration and heating product, special high-cleanness working medium filling equipment and corresponding working medium filling technology are required to ensure the clean filling of the working medium.
The invention comprises the following steps:
The invention aims to provide a clean working medium filling device for a Stirling refrigerating and heating product, which can ensure that the purity of a working medium filled in the Stirling refrigerating and heating product is the same as that of gas in a gas cylinder.
The invention discloses a device for realizing high-clean working medium filling of a Stirling refrigerating and heating product, which comprises a high-purity working medium gas cylinder 2, a pressure reducing valve 3, an air charging pipeline stop valve 4, a vacuum pipeline valve A5, a vacuum pipeline valve B6, a high vacuum pump 7, a backing pump 8, an operation table 9, a low-temperature pump set 10, a vacuum pipeline valve C11, a Stirling refrigerating and heating product 12, an air charging valve 13, an air discharging valve 14 and an air discharging port, wherein the high-purity working medium cylinder is provided with a plurality of working medium inlet holes;
The gas outlet of the high-purity working medium gas cylinder 1 is provided with a pressure reducing valve 2, is connected with an inflation valve 12 through a pressure pipeline, and is provided with an inflation pipeline stop valve 3 at the branching part of the connecting pipeline; the air release port 14 is connected with the air charging valve 12 through a pressure pipeline, and an air release valve 13 is arranged at the branching part of the connecting pipeline; the backing pump 7 is connected with the high vacuum pump 6 and is connected with the inflation valve 12 through a vacuum pipeline, the vacuum pipeline valve A4 and the vacuum pipeline valve B5 are respectively arranged at the branching position of the vacuum pipeline, and the backing pump 7 is only connected with the inflation valve 12 without the high vacuum pump 6 according to the service life requirement of the product; the low-temperature pump group 9 is connected with the backing pump 7 and the high-vacuum pump 6 in parallel through vacuum pipelines, and a vacuum pipeline valve C10 is arranged at the branching part of the vacuum pipelines; the Stirling refrigerating and heating product 11 is placed on the operation table top 8 and is connected with the charging valve 12 when clean charging is carried out.
The operation method of the high-cleanness working medium filling device comprises the following steps:
1) Placing the Stirling refrigerating and heating product 11 on the operation table top 8, and connecting an inflation inlet on the Stirling refrigerating and heating product 11 with an inflation valve 12;
2) Closing the inflation pipeline stop valve 3 and the deflation valve 13, and opening the vacuum pipeline valve A4, the vacuum pipeline valve B5, the inflation valve 12 and the vacuum pipeline valve C10;
3) And starting the backing pump 7, vacuumizing the Stirling refrigerating and heating product 11, and starting the high vacuum pump 6 when the pipeline vacuum is lower than the requirement that the high vacuum pump 6 can be started.
4) The vacuum line valve C10 is closed and the cryopump volume 9 is opened. When the vacuum degree at the vacuum pipeline valve A4 is lower than the vacuum degree required by the opening of the cryopump group 9, the vacuum pipeline valve B5, the high vacuum pump 6 and the backing pump 7 are sequentially closed, and the vacuum pipeline valve C10 is opened;
5) The low-temperature pump group 9 is opened for more than 5 hours, and the vacuum pipeline valve C10 and the vacuum pipeline valve A4 are closed;
6) Opening the pressure reducing valve 2 and the air charging pipeline stop valve 3 to charge air into the Stirling refrigerating and heating product 11;
7) After the inflation is finished, the inflation valve 12, the inflation pipeline stop valve 3 and the pressure reducing valve 2 are closed, and the air release valve 13 is opened, so that redundant air in the pipeline is discharged to the atmosphere from the air release port 14;
the invention has the advantages that: through the device and the operation, the purity of the filled working medium in the Stirling refrigeration or heating product can be ensured, so that the performance stability and the long service life of the product in long-term operation are ensured.
Description of the drawings:
FIG. 1 is a schematic diagram of a clean working medium filling device for Stirling refrigerating and heating products;
In the figure: 1. high-purity working medium gas cylinder 2, pressure reducing valve 3, gas charging pipeline stop valve 4, vacuum pipeline valve A5, vacuum pipeline valve B6, high vacuum pump 7, backing pump 8, operating table 9, low-temperature pump group 10, vacuum pipeline valve C11, stirling refrigerating and heating product 12, gas charging valve 13, gas discharging valve 14 and gas discharging port
The specific embodiment is as follows:
the invention is further described below with reference to the drawings and examples.
As shown in figure 1, the high-clean working medium filling device for Stirling refrigerating and heating products comprises a high-purity working medium cylinder 2, a pressure reducing valve 3, an inflation pipeline stop valve 4, a vacuum pipeline valve A5, a vacuum pipeline valve B6, a high-vacuum pump 7, a backing pump 8, an operation table 9, a low-temperature pump group 10, a vacuum pipeline valve C11, stirling refrigerating and heating products 12, an inflation valve 13, a deflation valve 14 and a deflation port. The gas outlet of the high-purity working medium gas cylinder 1 is provided with a pressure reducing valve 2, and is connected with an inflation valve 12 through a pressure pipeline, and an inflation pipeline stop valve 3 is arranged at the branching part of the connecting pipeline; the air release port 14 is connected with the air charging valve 12 through a pressure pipeline, and an air release valve 13 is arranged at the branching part of the connecting pipeline; the backing pump 7 is connected with the high vacuum pump 6 and is connected with the inflation valve 12 through a vacuum pipeline, and the vacuum pipeline valve A4 and the vacuum pipeline valve B5 are respectively arranged at the branching position of the vacuum pipeline. According to the service life requirement of the product, the high vacuum pump 6 is not used, and only the backing pump 7 is connected with the charging valve 12. The low-temperature pump group 9 is connected with the backing pump 7 and the high-vacuum pump 6 in parallel through vacuum pipelines, and a vacuum pipeline valve C10 is arranged at the branching part of the vacuum pipelines; the Stirling refrigerating and heating product 11 is placed on the operation table top 8 and is connected with the charging valve 12 when clean charging is carried out.
The evaluation method of the device comprises the following steps:
1) Placing the Stirling refrigerating and heating product 11 on the operation table top 8, and connecting an inflation inlet on the Stirling refrigerating and heating product 11 with an inflation valve 12;
2) Closing the inflation pipeline stop valve 3 and the deflation valve 13, and opening the vacuum pipeline valve A4, the vacuum pipeline valve B5, the inflation valve 12 and the vacuum pipeline valve C10;
3) And starting the backing pump 7, vacuumizing the Stirling refrigerating and heating product 11, and starting the high vacuum pump 6 when the pipeline vacuum is lower than the requirement that the high vacuum pump 6 can be started.
4) The vacuum line valve C10 is closed and the cryopump volume 9 is opened. When the vacuum degree at the vacuum pipeline valve A4 is lower than the vacuum degree required by the opening of the cryopump group 9, the vacuum pipeline valve B5, the high vacuum pump 6 and the backing pump 7 are sequentially closed, and the vacuum pipeline valve C10 is opened;
5) The low-temperature pump group 9 is opened for more than 5 hours, and the vacuum pipeline valve C10 and the vacuum pipeline valve A4 are closed;
6) Opening the pressure reducing valve 2 and the air charging pipeline stop valve 3 to charge air into the Stirling refrigerating and heating product 11;
7) After the inflation is finished, the inflation valve 12, the inflation pipeline stop valve 3 and the pressure reducing valve 2 are closed, and the deflation valve 13 is opened, so that the redundant gas in the pipeline is exhausted to the atmosphere from the deflation port 14.
Claims (1)
1. An operation method of a clean working medium filling device for Stirling refrigerating and heating products is characterized in that,
The clean working medium filling device for the Stirling refrigerating and heating product comprises a high-purity working medium gas cylinder (1), a pressure reducing valve (2), an air charging pipeline stop valve (3), a vacuum pipeline valve A (4), a vacuum pipeline valve B (5), a high-vacuum pump (6), a backing pump (7), an operation table top (8), a low-temperature pump group (9), a vacuum pipeline valve C (10), a Stirling refrigerating and heating product (11), an air charging valve (12), an air discharging valve (13) and an air discharging port (14), and is characterized in that:
The gas outlet of the high-purity working medium gas cylinder (1) is provided with a pressure reducing valve (2), the high-purity working medium gas cylinder is connected with an inflation valve (12) through a pressure pipeline, and an inflation pipeline stop valve (3) is arranged at the branching part of the connecting pipeline; the air release port (14) is connected with the air charging valve (12) through a pressure pipeline, and an air release valve (13) is arranged at the branching part of the connecting pipeline; the forepump (7) is connected with the high vacuum pump (6) and is connected with the inflation valve (12) through a vacuum pipeline, and a vacuum pipeline valve A (4) and a vacuum pipeline valve B (5) are respectively arranged at the branching position of the vacuum pipeline; when the cleaning requirement is not high, a high vacuum pump (6) is not used, and only a backing pump (7) is connected with an inflation valve (12); the low-temperature pump set (9) is connected with the backing pump (7) and the high-vacuum pump (6) in parallel through vacuum pipelines, and a vacuum pipeline valve C (10) is arranged at the branching part of the vacuum pipelines; the Stirling refrigerating and heating product (11) is placed on the operating table top (8) and is connected with the air charging valve (12) when being subjected to clean charging;
The operation method comprises the following operation steps:
1) Placing a Stirling refrigerating and heating product (11) on the operation table top (8), and connecting an inflation inlet on the Stirling refrigerating and heating product (11) with an inflation valve (12);
2) Closing the inflation pipeline stop valve (3) and the deflation valve (13), and opening the vacuum pipeline valve A (4), the vacuum pipeline valve B (5), the inflation valve (12) and the vacuum pipeline valve C (10);
3) Starting a backing pump (7), vacuumizing a Stirling refrigerating and heating product (11), and starting the high-vacuum pump (6) when the pipeline vacuum is lower than the requirement that the high-vacuum pump (6) can be started in vacuum degree;
4) Closing a vacuum pipeline valve C (10), opening a low-temperature pump group (9), and when the vacuum degree at the vacuum pipeline valve A (4) is lower than the vacuum degree required by the opening of the low-temperature pump group (9), sequentially closing a vacuum pipeline valve B (5), a high-vacuum pump (6) and a backing pump (7), and opening the vacuum pipeline valve C (10);
5) The low-temperature pump group (9) is opened for more than 5 hours, and the vacuum pipeline valve C (10) and the vacuum pipeline valve A (4) are closed;
6) Opening a pressure reducing valve (2) and an air charging pipeline stop valve (3) to charge air into the Stirling refrigerating and heating product (11);
7) And after the inflation is finished, the inflation valve (12), the inflation pipeline stop valve (3) and the pressure reducing valve (2) are closed, and the deflation valve (13) is opened, so that redundant gas in the pipeline is discharged to the atmosphere from the deflation port (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010384268.5A CN111457244B (en) | 2020-05-09 | 2020-05-09 | Clean working medium filling device for Stirling refrigerating and heating products and operation method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010384268.5A CN111457244B (en) | 2020-05-09 | 2020-05-09 | Clean working medium filling device for Stirling refrigerating and heating products and operation method |
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| Publication Number | Publication Date |
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| CN111457244A CN111457244A (en) | 2020-07-28 |
| CN111457244B true CN111457244B (en) | 2024-06-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010384268.5A Active CN111457244B (en) | 2020-05-09 | 2020-05-09 | Clean working medium filling device for Stirling refrigerating and heating products and operation method |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN207258055U (en) * | 2017-08-25 | 2018-04-20 | 德州学院 | A kind of gravity assisted heat pipe working medium room temperature quantitative filling device |
| CN108196505A (en) * | 2018-01-10 | 2018-06-22 | 北京微焓科技有限公司 | A kind of room temperature gaseous working medium quantifies charging system and its methods for filling |
| CN212537491U (en) * | 2020-05-09 | 2021-02-12 | 中国科学院上海技术物理研究所 | Clean working medium filling device for Stirling refrigerating and heating products |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0842794A (en) * | 1994-08-04 | 1996-02-16 | Nissin Electric Co Ltd | Gas charging device |
| CN101726396A (en) * | 2009-12-17 | 2010-06-09 | 中国航天科技集团公司第五研究院第五一○研究所 | Device and method for detecting leak rate of O type rubber sealing ring used for spaceflight |
| CN102536735A (en) * | 2010-12-20 | 2012-07-04 | 北京卫星环境工程研究所 | Cleaning vacuum air exhaust technology for large-sized space environmental simulator |
| CN103063378B (en) * | 2012-11-28 | 2015-10-21 | 北京卫星环境工程研究所 | Spacecraft condensate water pipeline system general integral leakage fast leakage detection apparatus and leak hunting method |
| CN204573571U (en) * | 2015-03-27 | 2015-08-19 | 辽宁科技大学 | A kind of laser tube inflator |
| CN106609910A (en) * | 2015-10-26 | 2017-05-03 | 史隽涛 | Electronic specialty gas filling returning device |
| CN208070076U (en) * | 2018-03-12 | 2018-11-09 | 上海卫星工程研究所 | A kind of fluid loop system degasification charging device |
| CN109826774B (en) * | 2019-03-26 | 2020-04-10 | 北京卫星环境工程研究所 | Vacuum pumping system for ultra-large space environment simulator and configuration method thereof |
-
2020
- 2020-05-09 CN CN202010384268.5A patent/CN111457244B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN207258055U (en) * | 2017-08-25 | 2018-04-20 | 德州学院 | A kind of gravity assisted heat pipe working medium room temperature quantitative filling device |
| CN108196505A (en) * | 2018-01-10 | 2018-06-22 | 北京微焓科技有限公司 | A kind of room temperature gaseous working medium quantifies charging system and its methods for filling |
| CN212537491U (en) * | 2020-05-09 | 2021-02-12 | 中国科学院上海技术物理研究所 | Clean working medium filling device for Stirling refrigerating and heating products |
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| CN111457244A (en) | 2020-07-28 |
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