CN2045380U - Chlorine liquefying device - Google Patents
Chlorine liquefying device Download PDFInfo
- Publication number
- CN2045380U CN2045380U CN89200392U CN89200392U CN2045380U CN 2045380 U CN2045380 U CN 2045380U CN 89200392 U CN89200392 U CN 89200392U CN 89200392 U CN89200392 U CN 89200392U CN 2045380 U CN2045380 U CN 2045380U
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- China
- Prior art keywords
- chlorine
- cooling agent
- ammonia
- utility
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
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Abstract
The utility model discloses a chlorine liquefying device relating to a compression refrigeration device. Because of chlorine gas can not contact with ammonia, in using ammonia as cryogen, the corresponding coolant system must be used. The device of the utility model is composed of a compression machine group, an intercooler, a condenser, a restrictive flow valve, a heat exchanger, a chlorine liquefying device, and a separator. Before the operation of the device, a certain quantity of compound whose molecular formula is CHmFnClk (m=0-1, n=3-2, k=2-1) is filled or an azeotropic solution formed by the compound as cryogen is filled. The utility model has the advantages of light weight, small occupation of land, convenient adjustment, short pipeline, less cold quantity leakage, low energy saving, and stable operation.
Description
The utility model relates to compression refrigerating apparatus, specially refers to the compression refrigerating apparatus that liquefied chlorine gas is used.
Before the utility model proposes, in order to produce liquid chlorine (being liquid chlorine), can be under the pressurization situation that chlorine is freezing to making its liquefaction below the liquefaction temperature.Because chlorine and ammonia can form dangerously explosive tetrachloro nitrogen (NCl
4), so must strictness prevent that ammonia and chlorine from contacting.The chlorine gas liquefaction device just is made of ammonia refrigeration system and secondary refrigerant system.Ammonia refrigeration system comprises ammonia compressor, condenser, and throttling is cut down and vaporizer; The secondary refrigerant system comprises fluid storage tank, chlorine liquefier and recycle pump.Come the gas ammonia of flash-pot to enter ammonia compressor, be compressed to certain pressure after, through condenser cooling and be condensed into liquefied ammonia.This liquefied ammonia cuts down by throttling and carries out throttling expansion and enter vaporizer.In vaporizer, liquefied ammonia undergoes phase transition becomes gas ammonia, meanwhile cold is given secondary refrigerant----calcium chloride water, and accepts the heat from secondary refrigerant, enters ammonia compressor once more after discharging in the gas ammonia flash-pot, constantly circular flow.The calcium chloride water (secondary refrigerant) that has obtained cold in vaporizer is sent to chlorine liquefier.In this chlorine liquefier, calcium chloride water passes to chlorine with cold, its temperature is dropped to below the liquefaction temperature, thereby condensation becomes liquid chlorine.Meanwhile, the calcium chloride water that loses cold (promptly obtaining heat) leaves chlorine liquefier and returns fluid storage tank, and by recycle pump it is sent into the acceptance cold that phase transformation is produced from liquefied ammonia in the vaporizer, enters chlorine liquefier once more, constantly circular flow.The factory that produces liquid chlorine all adopts such liquefying plant at present, utilize continuous phase transformation and circular flow between liquefied ammonia and the gas ammonia, cold is consigned to continuous round-robin calcium chloride water (secondary refrigerant), and calcium chloride water is constantly inhaled cold-peace and is released coldly, makes the continuous condensation liquefaction of chlorine become liquid chlorine.Such chlorine gas liquefaction appliance arrangement is many, and pipeline is long, and it is also many to cut down door, and the floor space of whole device is also big, because the cold leakage loss is more, the energy consumption of unit liquid chlorine is also more.Difficulty is regulated also in operation.
The purpose of this utility model is to avoid above-mentioned weak point of the prior art, and provides a kind of equipment simple, takes up an area of to lack, and energy consumption is low, the novel chlorine gas liquefaction device of easy operation control.
The utility model can be realized with following technique measures.The employing general formula is CHmFnClk(m=0-1, n=3-2, and compound k=2-1) and the azeotropic solution be made up of this compounds are as cooling agent.Device is by the double-stage compressor group, side cooler, and condenser, throttling is cut down, heat exchanger, chlorine liquefier and separator are formed.Before device operation, above-claimed cpd or above-mentioned azeotropic solution that should the filling some amount, the medium (cooling agent or refrigerant) that heat (or cold) transmits during as the device operation.The gaseous refrigerant that comes out from heat exchanger enters the lower pressure stage import of double-stage compressor group, and is compressed to suitable intermediate pressure.Super pressure-high temperature cooling agent enters the high pressure stage import of double-stage compressor group in being somebody's turn to do after side cooler is cooled cooling.The High Temperature High Pressure cooling agent of being discharged by double-stage compressor enters condenser, and water cooling and be condensed into liquid cryogen is cooled.Part high-pressure liquid cooling agent cuts down throttling expansion by throttling and sprays into side cooler, undergoes phase transition the high-temperature gas of discharging with the lower pressure stage of double-stage compressor group and mixes mutually and its temperature is reduced, and together enters the high pressure stage import then.Most of high-pressure liquid cooling agent cuts down without throttling, directly enters in the pipeline in the side cooler and by the outer cryogenic gas of pipe further to cool off, and enters heat exchanger then, carries out cold exchange with the gaseous refrigerant that comes from chlorine liquefier.The high-pressure liquid cooling agent that obtains cold cuts down through throttling and enters chlorine liquefier.In chlorine liquefier, liquid cryogen undergoes phase transition emits cold and makes the chlorine condensation become liquid chlorine, leaves chlorine liquefier and enters heat exchanger and itself become gaseous refrigerant.Behind the heat that obtains high-pressure liquid cooling agent, enter the lower pressure stage import of double-stage compressor group, thereby enter next refrigeration cycle.Liquid chlorine in the chlorine liquefier enters discharges as product after separator separates with tail gas (being noncondensable gas).------------the route circular flow of phase transformation gasification----compression makes the chlorine of sending here continually be condensed into liquid chlorine in throttling in condensation constantly according to compression as cooling agent for above-claimed cpd or azeotropic solution.
Above-mentioned double-stage compressor group also can be made of the series connection of two compressors.Wherein one as lower pressure stage compression usefulness, another as high pressure stage compression use.
The utility model compared with prior art has following advantage: number of devices significantly reduces in the device, and the gross weight of device alleviates, and pipeline is short, and it is few to cut down door, and the floor space of whole device greatly reduces.Because the change of device and cold transmittance process is greatly improved cold leakage loss situation, the energy consumption of unit liquid chlorine obviously descends, and test shows that unit consumption of energy can descend 30%.And the stable operation of whole device, adjust also more convenient.
Below in conjunction with accompanying drawing embodiment is described in further detail
Figure one is the chlorine gas liquefaction device schema described in the utility model.
The chlorine gas liquefaction device is by double-stage compressor group (1), side cooler (3), and condenser (6), heat exchanger (10), (9,11) are cut down in throttling, and chlorine liquefier (12) and separator (16) constitute.
Before the device operation, the structural formula of filling some amount is the m=1 among the CHmFnClk, and n=2, the compound of k=1 are as cooling agent, promptly with difluorochloromethane (CHF
2Cl) as cooling agent.
Come the gaseous state difluorochloromethane (CHF of automatic heat-exchanger (10)
2Cl)--cooling agent (13) enter the lower pressure stage import of double-stage compressor (1) and be compacted in super pressure-high temperature gaseous refrigerant (2), enter then side cooler (3) be cooled into in force down wet attitude cooling agent (4).This gaseous refrigerant (4) enters the high pressure stage import of double-stage compressor group (1) and is compacted into high pressure-temperature gaseous refrigerant (5).This gaseous refrigerant (5) is cooled in condenser (6), and water (7) cools and condensation becomes high-pressure liquid cooling agent (8).The effect that part high-pressure liquid cooling agent (8) cuts down (9) by throttling sprays in the side cooler (3), undergo phase transition, mix mutually and its temperature descended with entering in the side cooler (3) super pressure-high temperature gaseous refrigerant (2), this mixed gas just become enter double-stage compressor (1) high pressure stage import in force down wet attitude cooling agent (4).Most of high-pressure liquid cooling agent enters the pipeline in the side cooler (3), and is cooled off by the outer cryogenic gas of pipe, enters heat exchanger (10) then.In this heat exchanger (10), highly pressurised liquid cooling agent (8) with carry out the cold exchange from the cryogenic gaseous cooling agent (13) of chlorine liquefier (12).Highly pressurised liquid cooling agent (8) is accepted to cut down (11) by throttling behind the cold and is carried out throttling expansion and enter chlorine liquefier (12).In this chlorine liquefier (12), liquid refrigerant undergoes phase transition becomes gas refrigerant (13), and gives the chlorine that enters chlorine liquefier (12) (14) with the cold that phase transformation produced.Gas refrigerant (13) enters heat exchanger (10) afterwards leaving chlorine liquefier (12), obtains the heat of highly pressurised liquid cooling agent (8), enters the lower pressure stage import of double-stage compressor group (1) then, begins next refrigeration cycle.
Chlorine (14) with 0.15～0.16Mpa pressure and 40 ℃ of temperature enters chlorine liquefier (12), accept throttling expansion liquid refrigerant (8) transmit and the cold that comes, condensation becomes liquid chlorine (15).Liquid chlorine (15) then enters separator (16) to be separated with tail gas (being noncondensable gas) (17) and becomes product and discharge.Chlorine (14) enters chlorine liquefier (12) continuously, and liquid chlorine (15) is just ceaselessly discharged from separator (16).
For the convenience on using, above-mentioned double-stage compressor (1) also can change two compressors----low pressure compressor into and the high pressure compressor series connection is used.
Claims (3)
1, the chlorine gas liquefaction device relates to compression refrigerating apparatus, by compressor unit (1), and side cooler (3), condenser (6), heat exchanger (10), (9,11) are cut down in throttling, and chlorine liquefier (13) and separator (16) are formed, and it is characterized in that:
ⅰ) before device operation, the filling molecular formula be CHmFnClk (m=0-1 in the formula, n=3-2, compound k=2-1) or the azeotropic solution that is made of this compounds be as cooling agent,
ⅱ) compressor unit (1) is a double-stage compressor.
2, chlorine gas liquefaction device according to claim 1 is characterized in that: cooling agent is methyl chlorofluoride (CF
2CL
2) and difluorochloromethane (CHF
2CL).
3, chlorine gas liquefaction device according to claim 1 is characterized in that compressor unit (1) is in series by low pressure compressor and high pressure compressor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN89200392U CN2045380U (en) | 1989-01-07 | 1989-01-07 | Chlorine liquefying device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN89200392U CN2045380U (en) | 1989-01-07 | 1989-01-07 | Chlorine liquefying device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2045380U true CN2045380U (en) | 1989-10-04 |
Family
ID=4858490
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN89200392U Withdrawn CN2045380U (en) | 1989-01-07 | 1989-01-07 | Chlorine liquefying device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2045380U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101343040B (en) * | 2008-08-22 | 2010-04-07 | 山东聊城中盛蓝瑞化工有限公司 | Liquefied chlorine flash evaporation purification preparation technique |
| CN102564058A (en) * | 2012-02-09 | 2012-07-11 | 东营华泰化工集团有限公司 | Technology for liquefying chlorine through medium-temperature and medium-pressure method |
| CN102759252A (en) * | 2012-07-02 | 2012-10-31 | 洛阳双瑞万基钛业有限公司 | Secondary liquefaction process of waste chlorine in chlorine liquefaction and equipment configuration method |
| US10080884B2 (en) | 2014-12-29 | 2018-09-25 | Ethicon Llc | Methods and devices for activating brown adipose tissue using electrical energy |
| US10092738B2 (en) | 2014-12-29 | 2018-10-09 | Ethicon Llc | Methods and devices for inhibiting nerves when activating brown adipose tissue |
-
1989
- 1989-01-07 CN CN89200392U patent/CN2045380U/en not_active Withdrawn
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101343040B (en) * | 2008-08-22 | 2010-04-07 | 山东聊城中盛蓝瑞化工有限公司 | Liquefied chlorine flash evaporation purification preparation technique |
| CN102564058A (en) * | 2012-02-09 | 2012-07-11 | 东营华泰化工集团有限公司 | Technology for liquefying chlorine through medium-temperature and medium-pressure method |
| CN102759252A (en) * | 2012-07-02 | 2012-10-31 | 洛阳双瑞万基钛业有限公司 | Secondary liquefaction process of waste chlorine in chlorine liquefaction and equipment configuration method |
| US10080884B2 (en) | 2014-12-29 | 2018-09-25 | Ethicon Llc | Methods and devices for activating brown adipose tissue using electrical energy |
| US10092738B2 (en) | 2014-12-29 | 2018-10-09 | Ethicon Llc | Methods and devices for inhibiting nerves when activating brown adipose tissue |
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| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |