CN102353754A - Low-temperature fractionation performance test system with refrigerator as cold source - Google Patents
Low-temperature fractionation performance test system with refrigerator as cold source Download PDFInfo
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- CN102353754A CN102353754A CN2011102578690A CN201110257869A CN102353754A CN 102353754 A CN102353754 A CN 102353754A CN 2011102578690 A CN2011102578690 A CN 2011102578690A CN 201110257869 A CN201110257869 A CN 201110257869A CN 102353754 A CN102353754 A CN 102353754A
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Abstract
The invention discloses a low-temperature fractionation performance test system with a refrigerator as a cold source, which comprises a low-temperature fractionation performance test device, a refrigeration device composed of the refrigerator, a heating device and liquid mixers, a low-temperature pump, low-temperature liquid storage tanks, low-temperature containers and plate-fin heat exchangers, wherein a liquid material outlet at the bottom of the low-temperature fractionation performance test device is connected with the first liquid mixer through a pipeline, the first liquid mixer is connected with the feeding end of the first low-temperature liquid storage tank, the outlet of the first liquid mixer is connected with the first low-temperature container through a pipeline, materials at the outlet of the first low-temperature container is subjected to heat exchange with the refrigeration device through the first plate-fin heat exchanger, and the outlet of the plate-fin heat exchanger is connected with a liquid material inlet of the low-temperature fractionation performance test device. The invention realizes recycling of the materials and step utilization of energy, and furthest improves the utilization rate of the energy sources.
Description
Technical field
The present invention relates to a kind of is the cryogenic rectification Performance Test System of low-temperature receiver with the Fei Lipu refrigeration machine, and this system can test the stalling characteristic of filler to oxygen nitrogen and argon under the condition that does not need expander refrigeration, belong to energy class air separation technology field.
Background technology
Filler is the core component that carries out heat and mass in the air separation plant rectification column, also is the key of air separation effect quality and rectification column safe operation.Since the seventies in 20th century twice " oil crisis ", energy problem has become the problem that the whole world is paid close attention to, is one of essential measure that solves energy problem and save energy and reduce the cost.In the very big air separation industries of energy consumption, most of energy is to be used for accomplishing the rectifying separation process, and rectification column is optimized design to it and can effectively reduces empty industry-specific energy consumption as the maximum unit of energy consumption, alleviates energy pressure.
The dish number of rectifying inner-tower filling material directly influences pressure drop and the energy consumption in the tower; At present; Measurement to the carrier performance parameter mainly relies on the filler proving installation of normal temperature and pressures such as water-air or water-alcohol to measure; Measurement result and the filler performance in actual space division system has very big difference; Therefore in the design process of rectification column, mainly rely on experience that the efficient of filler is carried out value, and value is all more conservative; Thereby cause the packing box number on the high side, increased the energy consumption of rectification column.
Summary of the invention
The objective of the invention is to be to overcome the deficiency of prior art, provide that a kind of what can test the actual performance of filler in space division system is the cryogenic rectification Performance Test System of low-temperature receiver with the Fei Lipu refrigeration machine.
The object of the present invention is accomplished through the following technical solutions: it mainly comprises a cryogenic rectification performance testing device, a refrigerator Philippe constituted by a refrigerating apparatus, a heating device and a liquid mixer, cryogenic pumps, cryogenic liquid tank, cryogenic vessels, plate-fin heat exchanger, said cryogenic distillation performance testing device at the bottom of the liquid material outlet can be achieved through a pipe with liquid mixing a first liquid mixer is connected to a first liquid mixer simultaneously with the first cryogenic reservoir connected to the feed; mixer outlet via the first liquid conduit connected to said first cryogenic vessel, said first cryogenic vessel outlet material through the first plate-fin heat exchanger and said cooling means heat exchange, said plate-fin heat exchanger outlet and said liquid cryogenic distillation performance testing device material inlet connection; said cryogenic distillation performance testing device upper material outlet of the gas through a second plate-fin heat exchanger and said cooling heat exchange means, said second plate-fin heat exchanger to the material outlet of a fluid through a pipe and mixed in a mixer connected to the second liquid, the second liquid mixer is also a second low-temperature reservoir simultaneously feed connection, through the second liquid outlet pipe mixer container is connected with the second low-temperature, low-temperature vessel of the second heating means connected to said material outlet of the heating device and then through the duct and the cryogenic rectification performance testing device the lower part of the gas feed connection.
Described cryogenic rectification performance testing device is the performance testing device of filler in the space division system; Described cryogenic rectification performance testing device liquid feed is for through carrying out the feed flow that circulates after the proportioning to said cryogenic rectification performance testing device outlet liquid material; Described cryogenic rectification performance testing device gas feed is the circulation air feed through the condensation of said cryogenic rectification performance testing device exit gas material elder generation is vaporized after the proportioning again.
Be connected with the tapping valve that excess liq can be discharged through pipeline respectively on described first low-temperature (low temperature) vessel and second low-temperature (low temperature) vessel; Be connected to driving liquid between the liquid material outlet of described cryogenic rectification performance testing device bottom and said first liquid mixer and get into first cryopump in first liquid mixer; The outlet of described first low-temperature (low temperature) vessel is connected with and drives second cryopump that liquid gets into first plate type finned heat exchanger; Outlet at said second low-temperature (low temperature) vessel is connected with the 3rd cryopump that drives liquid entering heating arrangement.
Be connected with the first flow operation valve of controlling liquid feed rate on the connecting line after said first low-temperature (low temperature) vessel, and be connected with second flowrate control valve of pilot-gas feed rate on the connecting line after said second low-temperature (low temperature) vessel.
The present invention recycles through the inlet feed that proportioning transforms into the cryogenic rectification performance testing device through the outlet material of technology such as mixing, automatic control with the cryogenic rectification performance testing device; Gas feed among the present invention particularly; The a part of cold that utilizes the Fei Lipu refrigeration machine to produce is condensed into liquid through plate type finned heat exchanger with cryogenic rectification performance testing device exit gas; Become initial inlet gas material concentration through the mixer proportioning then, becoming gas through the heating arrangement re-heat at last is cryogenic rectification performance testing device air feed; The present invention has realized recycling of material, has realized the cascade utilization of energy, has improved rate of energy to greatest extent.
Description of drawings
Fig. 1 is a syndeton synoptic diagram of the present invention.
Embodiment
In conjunction with the following drawings, the present invention will be described in detail: Figure 1, which mainly comprises a cryogenic rectification performance testing device, a refrigerator Philippe constituted by a refrigerating apparatus, a heating device and a liquid mixer, cryogenic pump , cryogenic storage tanks, cryogenic vessels, plate-fin heat exchanger performance testing of the cryogenic distillation unit 9 at the bottom of the liquid material outlet pipe and can be achieved by mixing a first liquid fluid mixer 4 is connected to a first liquid 4 while the mixer and the first low-temperature reservoir 3 connected to the feed; outlet of said first liquid mixer 4 through a pipe 5 to the first cryogenic vessel connected to said first cryogenic vessel 5 the material through the first outlet plate-fin heat exchanger 2 and the refrigeration unit a heat exchange, said plate-fin heat exchanger 2 export performance tests with the cryogenic distillation unit 9 liquid material inlet connection; said cryogenic distillation performance testing device 9 Upper material outlet of the gas through a second plate-fin heat exchanger 16 and the refrigeration unit a heat exchange, said second plate-fin heat exchanger 16 through the pipe material outlet liquid mixture can be achieved with a second liquid the mixer is connected to a second liquid mixer is also a second low-temperature reservoir simultaneously with the feed connection 17, the second liquid mixer 15 through the outlet conduit 13 is connected to the second cryogenic vessel, said second cryogenic vessel 13 heating means connected to said material outlet 10 of the heating device 10 and then through the duct and the cryogenic rectification lower performance testing device 9 connected to a gas inlet.
Described cryogenic rectification performance testing device is the performance testing device of filler in the space division system; Described cryogenic rectification performance testing device liquid feed is for through carrying out the feed flow that circulates after the proportioning to said cryogenic rectification performance testing device outlet liquid material; Described cryogenic rectification performance testing device gas feed is the circulation air feed through the condensation of said cryogenic rectification performance testing device exit gas material elder generation is vaporized after the proportioning again.
Be connected with the tapping valve 6,14 that excess liq can be discharged through pipeline respectively on described first low-temperature (low temperature) vessel 5 and second low-temperature (low temperature) vessel 13; Be connected to driving liquid between the liquid material outlet of described cryogenic rectification performance testing device 9 bottoms and said first liquid mixer 4 and get into first cryopump 18 in first liquid mixer; The outlet of described first low-temperature (low temperature) vessel 5 is connected with and drives second cryopump 7 that liquid gets into first plate type finned heat exchanger 2; Outlet at said second low-temperature (low temperature) vessel 13 is connected with the 3rd cryopump 12 that drives liquid entering heating arrangement 10.
Be connected with the first flow operation valve 8 of controlling liquid feed rate on the connecting line after said first low-temperature (low temperature) vessel, and be connected with second flowrate control valve 11 of pilot-gas feed rate on the connecting line after said second low-temperature (low temperature) vessel.
The concrete course of work is following: the liquid (oxygen nitrogen mixture) through behind cryogenic rectification performance testing device 9 heat and mass gets into liquid mixer 4 under the driving of cryopump 18; Mix with liquid nitrogen from low temperature reservoir 3; Mix and get into low-temperature (low temperature) vessel 5 after back liquid reaches setting value; Excess liq is drained through tapping valve 6; Low-temperature (low temperature) vessel 5 outlet liquid entering plate type finned heat exchanger 2 under the driving of cryopump 7 carries out heat interchange with refrigeration system 1, and the liquid material after the heat exchange reenters cryogenic rectification performance testing device 9 and carries out the rectifying experiment.Carry out heat interchange through gas (oxygen nitrogen mixture) the entering heat interchanger 16 behind the cryogenic rectification performance testing device heat and mass with refrigeration system 1 and be condensed into liquid; Condensed liquid gets into liquid mixer 15; Mix with liquid oxygen from low temperature reservoir 17; Mixed liquid gets into low-temperature (low temperature) vessel 13 after reaching setting value; Excess liq is drained through tapping valve 14; Low-temperature (low temperature) vessel 13 outlet liquid are gasified totally after 10 heating of entering heating arrangement under the driving of cryopump 12, and the gas after the gasification reenters cryogenic rectification performance testing device 9 and carries out the rectifying experiment; To different experiments, gas and liquid feed stream amount are controlled through flowrate control valve 8,11.
The present invention organically combines Refrigeration Technique, heat transfer technology, hybrid technology, automatic control technology and cryogenic rectification technology; Realized filler performance test of (separation of oxygen nitrogen) under low temperature environment; Recycle material simultaneously; Utilizing energy to greatest extent, is the cryogenic rectification Performance Test System of a kind of environmental protection, economical rationality.
Claims (4)
- A method as in Philip cold source chiller performance test cryogenic rectification system, which includes a cryogenic rectification performance testing device, a refrigerator Philippe constituted by a refrigerating apparatus, a heating device and the liquid mixture , cryogenic pumps, cryogenic storage tanks, cryogenic vessels, plate-fin heat exchanger, wherein the cryogenic distillation performance testing device (9) at the bottom of the liquid material outlet can be achieved through a pipe with a first liquid liquid mixture the mixer (4) connected to a first liquid mixer (4) simultaneously with the first temperature reservoir (3) connected to the feed; said first liquid mixer (4) and said first outlet via a conduit Cryogenic vessels (5) connected to said first cryogenic vessels (5) export the material through the first plate-fin heat exchanger (2) and the refrigeration unit (1) for heat exchange, the plate-fin heat exchanger (2) export performance tests with the cryogenic distillation unit (9) liquid material inlet connection; said cryogenic distillation performance testing device (9) upper material outlet of the gas through a second plate-fin heat exchanger (16) and the refrigeration unit (1) for heat exchange, the second plate-fin heat exchanger (16) through the pipeline material outlet liquid mixture can be achieved with a second liquid mixer is connected to a second liquid mixer also simultaneously second low-temperature reservoir (17) connected to the feed, the second liquid mixer (15) and a second outlet temperature through the conduit container (13), said second cryogenic container (13) connected to said material outlet heating means (10), the heating means (10) and then through the duct and the cryogenic rectification performance testing device (9) the lower part of the gas feed connection.
- 2. according to claim 1 is the cryogenic rectification Performance Test System of low-temperature receiver with the Fei Lipu refrigeration machine, it is characterized in that described cryogenic rectification performance testing device is the performance testing device of filler in the space division system; Described cryogenic rectification performance testing device liquid feed is for through carrying out the feed flow that circulates after the proportioning to said cryogenic rectification performance testing device outlet liquid material; Described cryogenic rectification performance testing device gas feed is the circulation air feed through the condensation of said cryogenic rectification performance testing device exit gas material elder generation is vaporized after the proportioning again.
- 3. according to claim 1 is the cryogenic rectification Performance Test System of low-temperature receiver with the Fei Lipu refrigeration machine, it is characterized in that being connected with the tapping valve (6,14) that excess liq can be discharged through pipeline respectively on described first low-temperature (low temperature) vessel (5) and second low-temperature (low temperature) vessel (13); Be connected to driving liquid between the liquid material outlet of described cryogenic rectification performance testing device (9) bottom and said first liquid mixer (4) and get into first cryopump (18) in first liquid mixer; The outlet of described first low-temperature (low temperature) vessel (5) is connected with and drives second cryopump (7) that liquid gets into first plate type finned heat exchanger (2); Outlet at said second low-temperature (low temperature) vessel (13) is connected with the 3rd cryopump (12) that drives liquid entering heating arrangement (10).
- According to claim 1 or 3 described be the cryogenic rectification Performance Test System of low-temperature receiver with the Fei Lipu refrigeration machine; It is characterized in that being connected with the first flow operation valve (8) of controlling liquid feed rate on said first low-temperature (low temperature) vessel connecting line afterwards, and be connected with second flowrate control valve (11) of pilot-gas feed rate on the connecting line after said second low-temperature (low temperature) vessel.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201110257869.0A CN102353754B (en) | 2011-09-02 | 2011-09-02 | Low-temperature fractionation performance test system with refrigerator as cold source |
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| CN201110257869.0A CN102353754B (en) | 2011-09-02 | 2011-09-02 | Low-temperature fractionation performance test system with refrigerator as cold source |
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| CN102353754A true CN102353754A (en) | 2012-02-15 |
| CN102353754B CN102353754B (en) | 2014-04-09 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112169848A (en) * | 2019-07-05 | 2021-01-05 | 中科赛凌(中山)低温设备有限公司 | High-low temperature rapid circulating device and control method |
| CN114295517A (en) * | 2021-11-22 | 2022-04-08 | 浙江大学 | Visual experimental apparatus for low-temperature working medium falling film flowing mass transfer |
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| CN1194363A (en) * | 1997-03-26 | 1998-09-30 | 普拉塞尔技术有限公司 | Low temperature fine distillation regenerator system |
| WO2004099691A1 (en) * | 2003-05-05 | 2004-11-18 | L'air Liquide Societe Anonyme A Directoire Et Conseil De Surveillance Pour L'etude Et L'exploitation Des Procedes Georges Claude | Method and system for the production of pressurized air gas by cryogenic distillation of air |
| CN1786709A (en) * | 2005-11-02 | 2006-06-14 | 浙江大学 | System for testing performance of refrigerating agent containing oil |
| CN201464446U (en) * | 2009-04-03 | 2010-05-12 | 上海理工大学 | Packing performance testing device for full-automatic cooling tower |
| CN201885514U (en) * | 2010-12-10 | 2011-06-29 | 上海启元科技发展有限公司 | Device with subcooler and single tower for preparing high-purity nitrogen |
-
2011
- 2011-09-02 CN CN201110257869.0A patent/CN102353754B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1194363A (en) * | 1997-03-26 | 1998-09-30 | 普拉塞尔技术有限公司 | Low temperature fine distillation regenerator system |
| WO2004099691A1 (en) * | 2003-05-05 | 2004-11-18 | L'air Liquide Societe Anonyme A Directoire Et Conseil De Surveillance Pour L'etude Et L'exploitation Des Procedes Georges Claude | Method and system for the production of pressurized air gas by cryogenic distillation of air |
| CN1786709A (en) * | 2005-11-02 | 2006-06-14 | 浙江大学 | System for testing performance of refrigerating agent containing oil |
| CN201464446U (en) * | 2009-04-03 | 2010-05-12 | 上海理工大学 | Packing performance testing device for full-automatic cooling tower |
| CN201885514U (en) * | 2010-12-10 | 2011-06-29 | 上海启元科技发展有限公司 | Device with subcooler and single tower for preparing high-purity nitrogen |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112169848A (en) * | 2019-07-05 | 2021-01-05 | 中科赛凌(中山)低温设备有限公司 | High-low temperature rapid circulating device and control method |
| CN112169848B (en) * | 2019-07-05 | 2024-05-10 | 中科赛凌(中山)科技有限公司 | High-low temperature rapid circulation device and control method |
| CN114295517A (en) * | 2021-11-22 | 2022-04-08 | 浙江大学 | Visual experimental apparatus for low-temperature working medium falling film flowing mass transfer |
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| CN102353754B (en) | 2014-04-09 |
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Address after: No.799, Xiangfu Road, Qingshanhu street, Lin'an District, Hangzhou City, Zhejiang Province Patentee after: Hangzhou oxygen generator group Co.,Ltd. Address before: 310004 No. 388 Dong Xin Road, Xiacheng District, Zhejiang, Hangzhou Patentee before: HANGZHOU HANGYANG Co.,Ltd. |
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Address after: 799 Xiangfu Road, Qingshanhu street, Lin'an District, Hangzhou City, Zhejiang Province Patentee after: Hang Yang Group Co.,Ltd. Address before: 799 Xiangfu Road, Qingshanhu street, Lin'an District, Hangzhou City, Zhejiang Province Patentee before: Hangzhou oxygen generator group Co.,Ltd. |
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