CN204373301U - A kind of refrigeration system for low pressure CO 2 storage device - Google Patents
A kind of refrigeration system for low pressure CO 2 storage device Download PDFInfo
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- CN204373301U CN204373301U CN201420782022.3U CN201420782022U CN204373301U CN 204373301 U CN204373301 U CN 204373301U CN 201420782022 U CN201420782022 U CN 201420782022U CN 204373301 U CN204373301 U CN 204373301U
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- evaporimeter
- low pressure
- storage device
- refrigeration system
- refrigeration unit
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Abstract
The utility model discloses a kind of refrigeration system for low pressure CO 2 storage device, comprise refrigeration unit and evaporimeter, described refrigeration unit and evaporimeter are connected to form closed loop loop, described evaporimeter is placed in the storage tank of low pressure CO 2 storage device, a described evaporimeter part is in storage tank in gas-phase space, and another part to be in storage tank in liquid Space.The coil pipe some of evaporimeter is placed in gaseous carbon dioxide by the utility model, and another part is placed in liquid carbon dioxide, like this, reduces temperature simultaneously, thus its pressure is reduced, reach safe storage from gas-liquid two-phase to carbon dioxide extinguishing agent.Adopt the cooling time of this refrigeration system shorter, refrigeration unit avoids and works long hours, again can not frequent start-stop, thus improves stability and the service life of refrigeration unit.
Description
Technical field
The utility model relates to a kind of refrigeration system for low pressure CO 2 storage device.
Background technology
Low pressure CO 2 storage device should arrange refrigeration system, comprises refrigeration unit, evaporimeter, pressure sensor and controller, and control refrigeration system start and stop with pressure size, assurance device is in safe duty.The low pressure CO 2 storage device generally used in the market, the form that arranges of evaporimeter has two kinds: one is arranged in gas-phase space completely, and its dip time is fast, but pressure rising time is also fast; Another kind immerses in liquid Space completely, and its dip time is too slow.
Evaporimeter is placed in the mode in gas-phase space, gas phase carbon dioxide is liquefy when cooling, gaseous phase volume reduces fast, the pressure of storage device declines very soon, so the refrigeration system working time is short, but in storage tank, the pressure of carbon dioxide extinguishing agent gos up also fast, and the place higher in environment temperature is more obvious.So then make refrigeration unit start and stop frequent, the steady operation of unfavorable refrigeration unit, fault rate is higher.
Immerse mode in liquid Space completely, need liquid carbon dioxides a large amount of in storage tank to lower the temperature, the temperature of gas phase carbon dioxide just can be made to decrease, thus reduce the pressure in storage tank, assurance device is in safe duty.So then make refrigeration unit each working time very long, the steady operation of unfavorable refrigeration unit, fault rate is higher.
Utility model content
Goal of the invention of the present utility model is: for above-mentioned Problems existing, provides a kind of refrigeration system for low pressure CO 2 storage device effectively can avoided refrigeration unit frequent start-stop or work long hours.
The technical solution adopted in the utility model is such: a kind of refrigeration system for low pressure CO 2 storage device, comprise refrigeration unit and evaporimeter, described refrigeration unit and evaporimeter are connected to form closed loop loop, described evaporimeter is placed in the storage tank of low pressure CO 2 storage device, it is characterized in that: a described evaporimeter part is in storage tank in gas-phase space, another part to be in storage tank in liquid Space.
Refrigeration system for low pressure CO 2 storage device described in the utility model, it is provided with ring flange on described storage tank, described evaporimeter is fixedly connected on below ring flange by evaporator support, and the liquid inlet and outlet pore that the liquid inlet and outlet pipe of described evaporimeter is each passed through on ring flange is connected with refrigeration unit.
Refrigeration system for low pressure CO 2 storage device described in the utility model, liquid inlet and outlet pipe described in it is through the equal welded seal of upper and lower of ring flange place, ring flange.
Refrigeration system for low pressure CO 2 storage device described in the utility model, refrigeration unit described in it comprises compressor, condenser and fluid reservoir, the drain pipe of described evaporimeter is connected with the import of compressor by gas-liquid separator, described compressor outlet is connected with condenser by oil eliminator, described condenser is connected with fluid reservoir entrance point, and the port of export of described fluid reservoir is connected with the feed tube of evaporimeter.
Refrigeration system for low pressure CO 2 storage device described in the utility model, described in it, the port of export of fluid reservoir is connected with the feed tube of evaporimeter successively after device for drying and filtering, night vision goggles, capillary.
The coil pipe some of evaporimeter is placed in gaseous carbon dioxide by the utility model, and another part is placed in liquid carbon dioxide, like this, reduces temperature simultaneously, thus its pressure is reduced, reach safe storage from gas-liquid two-phase to carbon dioxide extinguishing agent.Adopt the cooling time of this refrigeration system shorter, refrigeration unit avoids and works long hours, again can not frequent start-stop, thus improves stability and the service life of refrigeration unit.
Accompanying drawing explanation
Fig. 1 is using state figure of the present utility model.
Fig. 2 is the connection diagram of evaporimeter and ring flange in the utility model.
Mark in figure: 1 is refrigeration unit, and 2 is evaporimeter, and 3 is storage tank, 4 is ring flange, and 5 is evaporator support, and 6 is feed tube, 7 is drain pipe, and 8 is liquid inlet pipe hole, and 9 is liquid outlet pipe hole, 10 is compressor, and 11 is condenser, and 12 is fluid reservoir, 13 is gas-liquid separator, and 14 is device for drying and filtering, and 15 is night vision goggles, 16 is capillary, and 17 is oil eliminator.
Detailed description of the invention
below in conjunction with accompanying drawing, the utility model is described in detail.
In order to make the purpose of this utility model, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.
As illustrated in fig. 1 and 2, a kind of refrigeration system for low pressure CO 2 storage device, comprise refrigeration unit 1 and evaporimeter 2, described refrigeration unit 1 is connected to form closed loop loop with evaporimeter 2, described evaporimeter 2 is placed in the storage tank 3 of low pressure CO 2 storage device, described evaporimeter 2 part to be in storage tank 3 in gas-phase space, another part to be in storage tank 3 in liquid Space, described storage tank 3 is provided with ring flange 4, described evaporimeter 2 is fixedly connected on below ring flange 4 by evaporator support 5, the liquid inlet pipe hole 8 that feed tube 6 and the drain pipe 7 of described evaporimeter 2 are each passed through on ring flange 4 is connected with refrigeration unit 1 with liquid outlet pipe hole 9, described enter, drain pipe is through ring flange 4 place, the equal welded seal of upper and lower of ring flange 4.
Wherein, described refrigeration unit 1 comprises compressor 10, condenser 11 and fluid reservoir 12, the drain pipe 7 of described evaporimeter 2 is connected with the import of compressor 10 by gas-liquid separator 13, described compressor 10 is exported and is connected with condenser 11 by oil eliminator 17, described condenser 11 is connected with fluid reservoir 12 entrance point, and the port of export of described fluid reservoir 12 is connected with the feed tube 6 of evaporimeter 2 successively after device for drying and filtering 14, night vision goggles 15, capillary 16.
Refrigerant liquid in evaporimeter with low pressure CO 2 generation heat exchange, absorb low pressure CO 2 heat and gasify, the low pressure refrigerant vapor of generation is sucked by compressor, discharges after compression with high pressure; The high-pressure gaseous refrigerant that compressor is discharged enters condenser, by the Air flow of normal temperature, condenses into highly pressurised liquid; Highly pressurised liquid is after respective handling, and the gas-fluid two-phase mixture becoming low-pressure low-temperature enters evaporimeter, and the sweat cooling in evaporimeter of liquid refrigerant wherein, the low-pressure steam of generation is sucked by compressor again, so goes round and begins again, and constantly circulates.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all do within spirit of the present utility model and principle any amendment, equivalent to replace and improvement etc., all should be included within protection domain of the present utility model.
Claims (5)
1. the refrigeration system for low pressure CO 2 storage device, comprise refrigeration unit (1) and evaporimeter (2), described refrigeration unit (1) and evaporimeter (2) are connected to form closed loop loop, described evaporimeter (2) is placed in the storage tank (3) of low pressure CO 2 storage device, it is characterized in that: described evaporimeter (2) part is in storage tank (3) interior gas-phase space, and another part is in storage tank (3) interior liquid Space.
2. the refrigeration system for low pressure CO 2 storage device according to claim 1, it is characterized in that: on described storage tank (3), be provided with ring flange (4), described evaporimeter (2) is fixedly connected on ring flange (4) below by evaporator support (5), and the liquid inlet and outlet pore (8,9) that the liquid inlet and outlet pipe (6,7) of described evaporimeter (2) is each passed through on ring flange (4) is connected with refrigeration unit (1).
3. the refrigeration system for low pressure CO 2 storage device according to claim 2, is characterized in that: described liquid inlet and outlet pipe (6,7) is through the equal welded seal of upper and lower of ring flange (4) place, ring flange (4).
4. according to claim 1, the refrigeration system for low pressure CO 2 storage device described in 2 or 3, it is characterized in that: described refrigeration unit (1) comprises compressor (10), condenser (11) and fluid reservoir (12), the drain pipe (7) of described evaporimeter (2) is connected by the import of gas-liquid separator (13) with compressor (10), described compressor (10) outlet is connected with condenser (11) by oil eliminator (17), described condenser (11) is connected with fluid reservoir (12) entrance point, the port of export of described fluid reservoir (12) is connected with the feed tube (6) of evaporimeter (2).
5. the refrigeration system for low pressure CO 2 storage device according to claim 4, is characterized in that: the port of export of described fluid reservoir (12) is connected with the feed tube (6) of evaporimeter (2) successively after device for drying and filtering (14), night vision goggles (15), capillary (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420782022.3U CN204373301U (en) | 2014-12-12 | 2014-12-12 | A kind of refrigeration system for low pressure CO 2 storage device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420782022.3U CN204373301U (en) | 2014-12-12 | 2014-12-12 | A kind of refrigeration system for low pressure CO 2 storage device |
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| CN204373301U true CN204373301U (en) | 2015-06-03 |
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| CN201420782022.3U Active CN204373301U (en) | 2014-12-12 | 2014-12-12 | A kind of refrigeration system for low pressure CO 2 storage device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109771872A (en) * | 2019-03-15 | 2019-05-21 | 威特龙消防安全集团股份公司 | A kind of critical state carbon-dioxide fire engine equipment of the urgent increasing apparatus of band |
| CN115057087A (en) * | 2022-07-04 | 2022-09-16 | 中国华能集团清洁能源技术研究院有限公司 | Evaporator dismounting structure and storage device |
-
2014
- 2014-12-12 CN CN201420782022.3U patent/CN204373301U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109771872A (en) * | 2019-03-15 | 2019-05-21 | 威特龙消防安全集团股份公司 | A kind of critical state carbon-dioxide fire engine equipment of the urgent increasing apparatus of band |
| CN115057087A (en) * | 2022-07-04 | 2022-09-16 | 中国华能集团清洁能源技术研究院有限公司 | Evaporator dismounting structure and storage device |
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