CN102353754B - 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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- CN102353754B CN102353754B CN201110257869.0A CN201110257869A CN102353754B CN 102353754 B CN102353754 B CN 102353754B CN 201110257869 A CN201110257869 A CN 201110257869A CN 102353754 B CN102353754 B CN 102353754B
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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 the cryogenic rectification Performance Test System that a kind of Fei Lipu of take refrigeration machine is low-temperature receiver, this system can be tested the stalling characteristic of filler to oxygen nitrogen and argon under the condition that does not need expander refrigeration, belongs to energy class air separation technology field.
Background technology
Filler is in air separation plant rectification column, to carry out the core component of heat and mass, is also the key of air separation effect quality and rectification column safe operation.Since twice " oil crisis " of 20 century 70s, energy problem has become the problem of global concern, and save energy and reduce the cost, is one of essential measure solving energy problem.In the very large air separation industries of energy consumption, most of energy is for completing rectifying detachment process, and rectification column, as the unit of energy consumption maximum, is optimized design to it and can effectively reduces empty industry-specific energy consumption, alleviates Pressure on Energy.
The dish number of rectifying inner-tower filling material directly affects pressure drop and the energy consumption in tower, at present, to the measurement of carrier performance parameter, mainly rely on the filler proving installation of the normal temperature and pressures such as water-air or ethanol-water to measure, measurement result and the filler performance in actual space division system has very large difference, therefore in the design process of rectification column, mainly rely on experience to carry out value to the efficiency of filler, and value is all more conservative, thereby cause packing box number on the high side, increased the energy consumption of rectification column.
Summary of the invention
The object of the invention is to be to overcome the deficiencies in the prior art, a kind of cryogenic rectification Performance Test System that Fei Lipu refrigeration machine is low-temperature receiver of take that can test the actual performance of filler in space division system is provided.
The object of the invention is to complete by following technical solution: it mainly includes a cryogenic rectification performance testing device, a refrigerating plant consisting of Fei Lipu refrigeration machine, a heating arrangement and liquid mixer, cryopump, low temperature reservoir, low-temperature (low temperature) vessel, plate type finned heat exchanger, the liquid material outlet of described cryogenic rectification performance testing device bottom is connected with the first liquid mixer that can realize liquid mixing through pipeline, and this first liquid mixer is connected with the charging of the first low temperature reservoir simultaneously, described first liquid mixer outlet is connected with described the first low-temperature (low temperature) vessel through pipeline, described the first low-temperature (low temperature) vessel outlet material carries out heat interchange by the first plate type finned heat exchanger and described refrigerating plant, and described plate type finned heat exchanger outlet is connected with the import of described cryogenic rectification performance testing device liquid material, the gas material outlet on described cryogenic rectification performance testing device top is carried out heat interchange through the second plate type finned heat exchanger and described refrigerating plant, described the second plate type finned heat exchanger material outlet is connected by the pipeline second liquid mixer mixed with realizing liquid, this second liquid mixer is also connected with the second low temperature reservoir charging simultaneously, described second liquid mixer outlet is connected with the second low-temperature (low temperature) vessel through piping, described the second low-temperature (low temperature) vessel material outlet connects described heating arrangement, this heating arrangement is connected with the gas feed mouth of described cryogenic rectification performance testing device bottom by pipeline again.
Described cryogenic rectification performance testing device is the performance testing device of filler in a space division system; Described cryogenic rectification performance testing device liquid feed is for by carrying out circulating feeding liquid after proportioning to described cryogenic rectification performance testing device outlet liquid material; Described cryogenic rectification performance testing device gas feed is for by the circulation air feed that the first condensation of described cryogenic rectification performance testing device exit gas material is vaporized after proportioning again.
On the first described low-temperature (low temperature) vessel and the second low-temperature (low temperature) vessel, by pipeline, be connected with the tapping valve that excess liq can be discharged respectively; Between the liquid material outlet of described cryogenic rectification performance testing device bottom and described first liquid mixer, be connected to and drive liquid to enter the first cryopump in first liquid mixer; The outlet of the first described low-temperature (low temperature) vessel is connected with the second cryopump that drives liquid to enter the first plate type finned heat exchanger; Outlet at described the second low-temperature (low temperature) vessel is connected with the 3rd cryopump that drives liquid to enter heating arrangement.
On connecting line after described the first low-temperature (low temperature) vessel, be connected with the first flow operation valve of controlling liquid feed stream amount, and on connecting line described the second low-temperature (low temperature) vessel after, be connected with the second control valve of control gas feed flow.
The inlet feed that the present invention transforms into cryogenic rectification performance testing device by the outlet material of cryogenic rectification performance testing device by proportioning by technology such as mixing, automatic controls recycles, gas feed in the present invention particularly, the a part of cold that utilizes Fei Lipu refrigeration machine to produce is condensed into liquid by plate type finned heat exchanger by cryogenic rectification performance testing device exit gas, then by mixer proportioning, become initial inlet gas material concentration, finally by heating arrangement re-heat, becoming gas 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 to greatest extent the utilization factor of the energy.
Accompanying drawing explanation
Fig. 1 is syndeton schematic diagram of the present invention.
Embodiment
Below in conjunction with accompanying drawing, the present invention will be described in detail: shown in Fig. 1, it mainly includes a cryogenic rectification performance testing device, a refrigerating plant consisting of Fei Lipu refrigeration machine, a heating arrangement and liquid mixer, cryopump, low temperature reservoir, low-temperature (low temperature) vessel, plate type finned heat exchanger, the liquid material outlet of described cryogenic rectification performance testing device 9 bottoms is connected with the first liquid mixer 4 that can realize liquid mixing through pipeline, and this first liquid mixer 4 is connected with the charging of the first low temperature reservoir 3 simultaneously, described first liquid mixer 4 outlets are connected with described the first low-temperature (low temperature) vessel 5 through pipeline, described the first low-temperature (low temperature) vessel 5 outlet materials carry out heat interchange by the first plate type finned heat exchanger 2 with described refrigerating plant 1, and described plate type finned heat exchanger 2 outlets are connected with described cryogenic rectification performance testing device 9 liquid material imports, the gas material outlet on described cryogenic rectification performance testing device 9 tops is carried out heat interchange through the second plate type finned heat exchanger 16 with described refrigerating plant 1, described the second plate type finned heat exchanger 16 material outlets are connected by the pipeline second liquid mixer mixed with realizing liquid, this second liquid mixer is also connected with the second low temperature reservoir 17 chargings simultaneously, described second liquid mixer 15 outlets are connected with the second low-temperature (low temperature) vessel 13 through piping, described the second low-temperature (low temperature) vessel 13 material outlets connect described heating arrangement 10, this heating arrangement 10 is connected with the gas feed mouth of described cryogenic rectification performance testing device 9 bottoms by pipeline again.
Described cryogenic rectification performance testing device is the performance testing device of filler in a space division system; Described cryogenic rectification performance testing device liquid feed is for by carrying out circulating feeding liquid after proportioning to described cryogenic rectification performance testing device outlet liquid material; Described cryogenic rectification performance testing device gas feed is for by the circulation air feed that the first condensation of described cryogenic rectification performance testing device exit gas material is vaporized after proportioning again.
On the first described low-temperature (low temperature) vessel 5 and the second low-temperature (low temperature) vessel 13, by pipeline, be connected with the tapping valve 6,14 that excess liq can be discharged respectively; Between the liquid material outlet of described cryogenic rectification performance testing device 9 bottoms and described first liquid mixer 4, be connected to and drive liquid to enter the first cryopump 18 in first liquid mixer; The outlet of the first described low-temperature (low temperature) vessel 5 is connected with the second cryopump 7 that drives liquid to enter the first plate type finned heat exchanger 2; Outlet at described the second low-temperature (low temperature) vessel 13 is connected with the 3rd cryopump 12 that drives liquid to enter heating arrangement 10.
On connecting line after described the first low-temperature (low temperature) vessel, be connected with the first flow operation valve 8 of controlling liquid feed stream amount, and on connecting line described the second low-temperature (low temperature) vessel after, be connected with the second control valve 11 of control gas feed flow.
Specific works process is as follows: the liquid after cryogenic rectification performance testing device 9 heat and mass (oxygen nitrogen mixture) enters liquid mixer 4 under the driving of cryopump 18, mix with the liquid nitrogen from low temperature reservoir 3, after liquid reaches setting value after mixing, enter low-temperature (low temperature) vessel 5, excess liq is drained by tapping valve 6, low-temperature (low temperature) vessel 5 outlet liquid enter plate type finned heat exchanger 2 and carry out heat interchange with refrigeration system 1 under the driving of cryopump 7, and the liquid material after heat exchange reenters cryogenic rectification performance testing device 9 and carries out rectifying experiment.Gas after cryogenic rectification performance testing device heat and mass (oxygen nitrogen mixture) enters heat interchanger 16 to carry out heat interchange with refrigeration system 1 and is condensed into liquid; condensed liquid enters liquid mixer 15; mix with the liquid oxygen from low temperature reservoir 17; mixed liquid enters low-temperature (low temperature) vessel 13 after reaching setting value; excess liq is drained by tapping valve 14; after low-temperature (low temperature) vessel 13 outlet liquid enter heating arrangement 10 heating under the driving of cryopump 12, be gasified totally, the gas after gasification reenters cryogenic rectification performance testing device 9 and carries out rectifying experiment; For different experiments, gas and liquid feed stream amount are controlled by 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 (oxygen nitrogen is separated) under low temperature environment, recycle material simultaneously, utilizing to greatest extent energy, is the cryogenic rectification Performance Test System of a kind of environmental protection, economical rationality.
Claims (4)
1. take the cryogenic rectification Performance Test System that Fei Lipu refrigeration machine is low-temperature receiver for one kind, it mainly includes a cryogenic rectification performance testing device, a refrigerating plant consisting of Fei Lipu refrigeration machine, a heating arrangement and liquid mixer, cryopump, low temperature reservoir, low-temperature (low temperature) vessel, plate type finned heat exchanger, the liquid material outlet that it is characterized in that described cryogenic rectification performance testing device (9) bottom is connected with the first liquid mixer (4) that can realize liquid mixing through pipeline, and this first liquid mixer (4) is connected with the charging aperture of the first low temperature reservoir (3) simultaneously, described first liquid mixer (4) outlet is connected with the first low-temperature (low temperature) vessel (5) through pipeline, described the first low-temperature (low temperature) vessel (5) outlet material carries out heat interchange by the first plate type finned heat exchanger (2) and described refrigerating plant (1), and described the first plate type finned heat exchanger (2) outlet is connected with described cryogenic rectification performance testing device (9) liquid material import, the gas material outlet on described cryogenic rectification performance testing device (9) top is carried out heat interchange through the second plate type finned heat exchanger (16) and described refrigerating plant (1), described the second plate type finned heat exchanger (16) material outlet is connected by the pipeline second liquid mixer mixed with realizing liquid, this second liquid mixer is also connected with the charging aperture of the second low temperature reservoir (17) simultaneously, described second liquid mixer (15) outlet is connected with the second low-temperature (low temperature) vessel (13) through piping, described the second low-temperature (low temperature) vessel (13) material outlet connects described heating arrangement (10), this heating arrangement (10) is connected with the gas feed mouth of described cryogenic rectification performance testing device (9) bottom by pipeline again.
2. according to claim 1ly take the cryogenic rectification Performance Test System that Fei Lipu refrigeration machine is low-temperature receiver, it is characterized in that described cryogenic rectification performance testing device is the performance testing device of filler in a space division system; Described cryogenic rectification performance testing device liquid feed is for by carrying out circulating feeding liquid after proportioning to described cryogenic rectification performance testing device outlet liquid material; Described cryogenic rectification performance testing device gas feed is for by the circulation air feed that the first condensation of described cryogenic rectification performance testing device exit gas material is vaporized after proportioning again.
3. according to claim 1ly take the cryogenic rectification Performance Test System that Fei Lipu refrigeration machine is low-temperature receiver, it is characterized in that by pipeline, being connected with respectively on described the first low-temperature (low temperature) vessel (5) and the second low-temperature (low temperature) vessel (13) can be by the tapping valve (6,14) of excess liq discharge; Between the liquid material outlet of described cryogenic rectification performance testing device (9) bottom and described first liquid mixer (4), be connected to and drive liquid to enter the first cryopump (18) in first liquid mixer; The outlet of described the first low-temperature (low temperature) vessel (5) is connected with the second cryopump (7) that drives liquid to enter the first plate type finned heat exchanger (2); Outlet at described the second low-temperature (low temperature) vessel (13) is connected with the 3rd cryopump (12) that drives liquid to enter heating arrangement (10).
4. according to the cryogenic rectification Performance Test System that Fei Lipu refrigeration machine is low-temperature receiver of take described in claim 1 or 3, it is characterized in that connecting after described the first low-temperature (low temperature) vessel on the connecting line of the first plate type finned heat exchanger (2) and be connected with the first flow operation valve (8) of controlling liquid feed stream amount; And connect, on the connecting line of heating arrangement (10), be connected with the second control valve (11) of controlling gas feed flow after described the second low-temperature (low temperature) vessel.
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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 CN102353754A (en) | 2012-02-15 |
| CN102353754B true CN102353754B (en) | 2014-04-09 |
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| 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 |
Citations (4)
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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 |
| 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 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2854683B1 (en) * | 2003-05-05 | 2006-09-29 | Air Liquide | METHOD AND INSTALLATION FOR PRODUCING PRESSURIZED AIR GASES BY AIR CRYOGENIC DISTILLATION |
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Patent Citations (4)
| 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 |
| 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 |
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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. |