CN1566868A - Method of absorption heat pump and absorption refrigeration by employing carbon dioxide and vapor gaseous mixture as heating source - Google Patents
Method of absorption heat pump and absorption refrigeration by employing carbon dioxide and vapor gaseous mixture as heating source Download PDFInfo
- Publication number
- CN1566868A CN1566868A CN 03143158 CN03143158A CN1566868A CN 1566868 A CN1566868 A CN 1566868A CN 03143158 CN03143158 CN 03143158 CN 03143158 A CN03143158 A CN 03143158A CN 1566868 A CN1566868 A CN 1566868A
- Authority
- CN
- China
- Prior art keywords
- absorber
- regenerator
- solution
- heat
- carbon dioxide
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Landscapes
- Sorption Type Refrigeration Machines (AREA)
Abstract
Disclosed is an absorption heat pump method using carbon dioxide and water vapor mixed gas as a heat source. Absorption heat released by concentrated solution in an absorber is carried off by cooling water, refrigeration effect can be obtained by refrigerant evaporation heat absorption in an evaporator. The method is energy-saving and pollution free.
Description
Technical field the invention belongs to sorption type heat pump, absorption refrigeration technical field, and specifically a kind of industrial exhaust heat that utilizes is the sorption type heat pump of thermal source and the method and the unit thereof of absorption refrigeration with carbon dioxide and steam mist.
The many industrial trades of background technology China exist carbon dioxide and steam mist waste heat in process of production in a large number, and these low temperature exhaust heats are difficult to effectively utilize because its temperature is lower.Usually or directly discharge, or recycle after consuming a large amount of water quench.
It is the sorption type heat pump of thermal source and the method and the unit thereof of absorption refrigeration with carbon dioxide and steam mist that summary of the invention the object of the present invention is to provide a kind of, thereby reach the carbon dioxide and the steam mist waste heat that utilize sorption type heat pump or absorption refrigeration technology to reclaim industrial process, intensification is used for industry heating, or produces cold and be used for industrial cooling purpose.
For achieving the above object, the technical scheme taked of the present invention is:
A kind of is the sorption type heat pump method of thermal source with carbon dioxide and steam mist, it is characterized in that:
1. with temperature the regenerator that 85～140 ℃ carbon dioxide and steam mist are introduced sorption type heat pump, in order to heating, concentrate 50～65% the bromize lithium dilute solution that enters regenerator;
2. after heating, concentrating, bromize lithium dilute solution becomes 55～70% concentrated solution and flows out from regenerator, after solution heat exchanger and weak solution heat exchange from absorber, enters the refrigerant vapor that absorber absorbs flash-pot, bromize lithium concentrated solution becomes weak solution, emits simultaneously to absorb heat;
3. 50～65% bromize lithium dilute solution goes regenerator to concentrate regeneration by carbon dioxide and the heating of steam mist from the absorber solution heat exchanger that comes out to flow through again;
4. the refrigerant vapor that is produced by regenerator is emitted condensation heat through condenser condenses, is taken away by cooling water;
5. the condensate stream in the condenser enters evaporator evaporation through throttling arrangement, provides evaporation institute calorific requirement by carbon dioxide and steam mist, and the refrigerant vapor of evaporation goes absorber to be absorbed by bromize lithium concentrated solution;
6. in absorber, bromize lithium concentrated solution absorbs the absorption heat that refrigerant vapor is emitted, with 100～160 ℃ heat of high temperature output;
7. for heat outputting, can be according to different needs, both exportable low-pressure steam, also exportable hot water perhaps directly adds thermal material.
With above-mentioned be the supporting unit of sorption type heat pump method of thermal source with carbon dioxide and steam mist, it is characterized in that earlier regenerator and solution heat exchanger, the absorber of heat pump are connected and composed solution circulation loop by pipeline; Connect and compose the refrigerant cycle loop by regenerator, condenser, evaporimeter and absorber by pipeline; Condenser is connected with cooling water pipeline, and condensation heat is taken away by cooling water; Absorber is provided with the thermal output pipeline.
A kind of is the absorption refrigeration method of thermal source with carbon dioxide and steam mist, it is characterized in that:
1. with temperature the regenerator that 85～140 ℃ carbon dioxide and steam mist are introduced refrigeration unit, in order to heating, concentrate 50～65% the bromize lithium dilute solution that enters regenerator;
2. after heating, concentrating, bromize lithium dilute solution becomes 55～70% concentrated solution and flows out from regenerator, after solution heat exchanger and weak solution heat exchange from absorber, enter absorber and absorb the refrigerant vapor of flash-pot, bromize lithium concentrated solution becomes weak solution, emit absorption heat simultaneously, take away by cooling water;
3. weak solution goes regenerator to concentrate regeneration by carbon dioxide and the heating of steam mist from the absorber solution heat exchanger that comes out to flow through again;
4. the refrigerant vapor that is produced by regenerator is emitted condensation heat through condenser condenses, is taken away by cooling water;
5. the condensate stream in the condenser enters evaporator evaporation through throttling arrangement, and the refrigerant vapor of evaporation goes absorber to absorb;
6. cryogen evaporation endothermic heat is freezed in evaporimeter, and the cold of producing can be used as cold water output, also can directly cool off material.
With above-mentioned be the supporting unit of absorption refrigeration method of thermal source with carbon dioxide and steam mist, it is characterized in that earlier regenerator, solution heat exchanger and the absorber of refrigeration unit are connected and composed solution circulation loop by pipeline; Connect and compose the refrigerant cycle loop by regenerator, condenser, evaporimeter and absorber by pipeline; Condenser, absorber are equipped with cooling water pipeline, and condensation heat and absorption heat are taken away by cooling water; Evaporimeter is provided with the cold export pipeline.
The present invention is to provide with carbon dioxide and steam mist used heat sorption type heat pump and absorption refrigeration technical scheme, waste heat is heated up or be used for refrigeration, provide a new technological approaches for effectively utilizing this part low temperature exhaust heat as thermal source.Reduce energy consumption and product cost simultaneously, reduced environmental pollution.Wherein:
With carbon dioxide and steam mist is the method and the unit thereof of thermal source sorption type heat pump, the required heat of the regenerator of sorption type heat pump and evaporimeter is provided by carbon dioxide and steam mist, the waste heat of input regenerator and evaporimeter lower temperature, at the heat of absorber output higher temperature, thereby produce the heat pump effect.For heat outputting, can be according to different needs, both exportable low-pressure steam, also exportable hot water perhaps directly heats thing, and does not have any pollution.In suitable distillation process, use and to save 30～50% of rectifying column steam consumption.
With carbon dioxide and steam mist is the absorption refrigeration method and the unit thereof of thermal source, utilize used heat as thermal source, produce cold by the absorption refrigeration method and be used for material cooling or room cooling, compare with the absorption refrigeration method of utilizing steam or fuel with existing refrigerating method with electric energy drive compression machine, its refrigeration cost reduces significantly, and does not have any pollution.
Description of drawings
Fig. 1 is for being the sorption type heat pump basic procedure schematic diagram of thermal source with carbon dioxide and steam mist;
Fig. 2 is for being the absorption refrigeration basic procedure schematic diagram of thermal source with carbon dioxide and steam mist.
Specific implementation
Embodiment one: as shown in Figure 2, in certain chemical fertilizer factory's production of synthetic ammonia, utilize hot potash method to remove in the carbon dioxide that the carbon dioxide regeneration overhead is discharged in the device of carbon dioxide in the unstripped gas and have a large amount of steam, its temperature is at 104 ℃, this mist is introduced the regenerator of absorption refrigeration unit, in order to heating, concentrate 50～65% the bromize lithium dilute solution that enters regenerator; After heating, concentrating, bromize lithium dilute solution becomes 55～70% concentrated solution and flows out from regenerator, after solution heat exchanger and weak solution heat exchange from absorber, enter absorber and absorb the refrigerant vapor of flash-pot to emit absorption heat, take away by cooling water; Weak solution goes regenerator to concentrate regeneration by carbon dioxide and the heating of steam mist from the absorber solution heat exchanger that comes out to flow through again; By the refrigerant vapor that regenerator produces, emit condensation heat through condenser condenses, take away by cooling water; Condensate stream in the condenser enters evaporator evaporation through throttling arrangement, and the refrigerant vapor of evaporation goes absorber to absorb; Cryogen evaporation endothermic heat refrigeration is produced 7 ℃～10 ℃ chilled water in evaporimeter, is used for the cooling of ammonia synthesis circulating air, to save more than 40% of ice maker power consumption.
Embodiment two: as shown in Figure 1, in certain soda ash production process, the carbon dioxide that the weight alkali calcining fire grate goes out and the mist of steam (also can be other industrial furnace gas), its temperature is 112 ℃.This mist is introduced the regenerator of sorption type heat pump, in order to heating, concentrate 50～65% the bromize lithium dilute solution that enters regenerator; After heating, concentrating, bromize lithium dilute solution becomes 55～70% concentrated solution and flows out from regenerator, after solution heat exchanger and weak solution heat exchange from absorber, enters the refrigerant vapor that absorber absorbs flash-pot, emits to absorb heat; 50～65% bromize lithium dilute solution goes regenerator to concentrate regeneration by carbon dioxide and the heating of steam mist from the absorber solution heat exchanger that comes out to flow through again; By the refrigerant vapor that regenerator produces, emit condensation heat through condenser condenses, take away by cooling water; Condensate stream in the condenser enters evaporator evaporation through throttling arrangement, provides heat of evaporation by carbon dioxide and steam mist, and the refrigerant vapor of evaporation goes absorber to absorb; In absorber, the absorption hotwork that weak solution absorption refrigerant vapor is emitted is heat of high temperature output, produces 125 ℃ steam, is used for the heating of certain process stream.
Claims (4)
1, a kind of is the sorption type heat pump method of thermal source with carbon dioxide and steam mist, it is characterized in that:
1. with temperature the regenerator that 85～140 ℃ carbon dioxide and steam mist are introduced sorption type heat pump, in order to heating, concentrate 50～65% the bromize lithium dilute solution that enters regenerator;
2. after heating, concentrating, bromize lithium dilute solution becomes 55～70% concentrated solution and flows out from regenerator, after solution heat exchanger and weak solution heat exchange from absorber, enters the refrigerant vapor that absorber absorbs flash-pot, bromize lithium concentrated solution becomes weak solution, emits simultaneously to absorb heat;
3. 50～65% bromize lithium dilute solution goes regenerator to concentrate regeneration by carbon dioxide and the heating of steam mist from the absorber solution heat exchanger that comes out to flow through again;
4. the refrigerant vapor that is produced by regenerator is emitted condensation heat through condenser condenses, is taken away by cooling water;
5. the condensate stream in the condenser enters evaporator evaporation through throttling arrangement, provides evaporation institute calorific requirement by carbon dioxide and steam mist, and the refrigerant vapor of evaporation goes absorber to be absorbed by bromize lithium concentrated solution;
6. in absorber, bromize lithium concentrated solution absorbs the absorption heat that refrigerant vapor is emitted, with 100～160 ℃ heat of high temperature output;
7. for heat outputting, can be according to different needs, both exportable low-pressure steam, also exportable hot water perhaps directly adds thermal material.
2, a kind of is the sorption type heat pump unit of thermal source with carbon dioxide and steam mist, it is characterized in that elder generation connects and composes solution circulation loop with regenerator and solution heat exchanger, the absorber of heat pump by pipeline; Connect and compose the refrigerant cycle loop by regenerator, condenser, evaporimeter and absorber by pipeline; Condenser is connected with cooling water pipeline, and condensation heat is taken away by cooling water; Absorber is provided with the thermal output pipeline.
3, a kind of is the absorption refrigeration method of thermal source with carbon dioxide and steam mist, it is characterized in that:
1. with temperature the regenerator that 85～140 ℃ carbon dioxide and steam mist are introduced refrigeration unit, in order to heating, concentrate 50～65% the bromize lithium dilute solution that enters regenerator;
2. after heating, concentrating, bromize lithium dilute solution becomes 55～70% concentrated solution and flows out from regenerator, after solution heat exchanger and weak solution heat exchange from absorber, enter absorber and absorb the refrigerant vapor of flash-pot, bromize lithium concentrated solution becomes weak solution, emit absorption heat simultaneously, take away by cooling water;
3. weak solution goes regenerator to concentrate regeneration by carbon dioxide and the heating of steam mist from the absorber solution heat exchanger that comes out to flow through again;
4. the refrigerant vapor that is produced by regenerator is emitted condensation heat through condenser condenses, is taken away by cooling water;
5. the condensate stream in the condenser enters evaporator evaporation through throttling arrangement, and the refrigerant vapor of evaporation goes absorber to absorb;
6. cryogen evaporation endothermic heat is freezed in evaporimeter, and the cold of producing can be used as cold water output, also can directly cool off material.
4, a kind of is the absorption refrigeration unit of thermal source with carbon dioxide and steam mist, it is characterized in that elder generation connects and composes solution circulation loop with regenerator, solution heat exchanger and the absorber of refrigeration unit by pipeline; Connect and compose the refrigerant cycle loop by regenerator, condenser, evaporimeter and absorber by pipeline; Condenser, absorber are equipped with cooling water pipeline, and condensation heat and absorption heat are taken away by cooling water; Evaporimeter is provided with the cold export pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03143158 CN1566868A (en) | 2003-06-17 | 2003-06-17 | Method of absorption heat pump and absorption refrigeration by employing carbon dioxide and vapor gaseous mixture as heating source |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03143158 CN1566868A (en) | 2003-06-17 | 2003-06-17 | Method of absorption heat pump and absorption refrigeration by employing carbon dioxide and vapor gaseous mixture as heating source |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1566868A true CN1566868A (en) | 2005-01-19 |
Family
ID=34471281
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 03143158 Pending CN1566868A (en) | 2003-06-17 | 2003-06-17 | Method of absorption heat pump and absorption refrigeration by employing carbon dioxide and vapor gaseous mixture as heating source |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1566868A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101643220A (en) * | 2009-07-29 | 2010-02-10 | 董宏光 | Natural gas type synthesis ammonia energy-saving and emission-reduction technology |
| CN106440115A (en) * | 2016-08-31 | 2017-02-22 | 河北恒度空调设备有限公司 | Transcritical carbon dioxide circulation and solution dehumidification air temperature and humidity regulation system |
| CN113237367A (en) * | 2021-04-21 | 2021-08-10 | 深圳润德工程有限公司 | Warm water drainage loop heat pipe cooling device and method utilizing solar energy |
-
2003
- 2003-06-17 CN CN 03143158 patent/CN1566868A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101643220A (en) * | 2009-07-29 | 2010-02-10 | 董宏光 | Natural gas type synthesis ammonia energy-saving and emission-reduction technology |
| CN106440115A (en) * | 2016-08-31 | 2017-02-22 | 河北恒度空调设备有限公司 | Transcritical carbon dioxide circulation and solution dehumidification air temperature and humidity regulation system |
| CN106440115B (en) * | 2016-08-31 | 2019-04-19 | 河北恒度空调设备有限公司 | The aerial temperature and humidity regulating system of critical-cross carbon dioxide circulation and solution dehumidification |
| CN113237367A (en) * | 2021-04-21 | 2021-08-10 | 深圳润德工程有限公司 | Warm water drainage loop heat pipe cooling device and method utilizing solar energy |
| CN113237367B (en) * | 2021-04-21 | 2023-03-03 | 深圳润德工程有限公司 | Warm water drainage loop heat pipe cooling device and method utilizing solar energy |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103411347B (en) | Coupling type heat pump waste heat recovery system | |
| CN100501272C (en) | System and method for transforming low temperature residual heat into steam | |
| CN103629854B (en) | The ammonia that a kind of heat medium water drives and the integrated absorption type refrigerating unit of lithium bromide and method | |
| CN1766462A (en) | Ammonia absorption type refrigerating apparatus utilizing waste heat of exhaust | |
| CN103090593B (en) | Heat pump circulating system and heat pump cycle method and vapo(u)rization system | |
| CN201844606U (en) | Novel high-efficiency and direct-fired lithium bromide absorption-type water heater/chiller | |
| CN105066508B (en) | A kind of efficient injection absorption refrigerating machine for freezing and refrigeration | |
| CN201100780Y (en) | Compression-absorption mixed refrigerator | |
| CN201949793U (en) | Absorption-type freeze drying machine driven by waste heat of air compressor | |
| CN101813398A (en) | Multi-mode thermochemical adsorption refrigeration device based on cascade utilization of energy | |
| CN110926108A (en) | Middle and low temperature industrial flue gas carbon dioxide capture system | |
| CN108148555B (en) | Refrigeration absorbent and waste heat driven absorption type deep refrigeration method | |
| CN2842312Y (en) | Ammonia-absorbing type refrigerating apparatus using exhaust gas after-heat | |
| CN207741379U (en) | A kind of absorption deep refrigerating system of industrial waste heat driving | |
| CN101798607A (en) | Waste heat recovery system of blast furnace slag quenching water | |
| CN102147135A (en) | Lithium bromide absorption type water chilling unit for direct cooling type cold-blast air evaporator | |
| CN1566868A (en) | Method of absorption heat pump and absorption refrigeration by employing carbon dioxide and vapor gaseous mixture as heating source | |
| CN201218626Y (en) | Medium-temperature solar energy-driving and cold-hot bidirectional-utilizing third-kind absorption heat pump | |
| CN105066502A (en) | Direct burning absorption refrigeration method and device for recovering phase change heat | |
| CN216557750U (en) | Flue gas water taking system of cooperative absorption type refrigerating device | |
| Cheng et al. | Performance analysis and optimization of a coupled open and close liquid desiccant sorption system using LiCl solution | |
| Balaji et al. | Study of waste heat recovery from steam turbine xhaust for vapour absorption system in sugar industry | |
| CN210801686U (en) | Refrigeration system for absorbing incineration heat | |
| CN201218628Y (en) | Cold-hot bidirectional and simultaneous utilizing dual- effect type third-kind absorption heat pump | |
| Shen et al. | A simulation and experimental study on primary cooler for COG heat pump |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |