CN1147618A - New process of double-effect bromination absorption type refrigerator - Google Patents
New process of double-effect bromination absorption type refrigerator Download PDFInfo
- Publication number
- CN1147618A CN1147618A CN95112151A CN95112151A CN1147618A CN 1147618 A CN1147618 A CN 1147618A CN 95112151 A CN95112151 A CN 95112151A CN 95112151 A CN95112151 A CN 95112151A CN 1147618 A CN1147618 A CN 1147618A
- Authority
- CN
- China
- Prior art keywords
- pressure generator
- double
- solution
- heat exchanger
- water
- 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
- 238000010521 absorption reaction Methods 0.000 title claims abstract description 13
- 238000000034 method Methods 0.000 title claims abstract description 11
- 230000031709 bromination Effects 0.000 title 1
- 238000005893 bromination reaction Methods 0.000 title 1
- AMXOYNBUYSYVKV-UHFFFAOYSA-M lithium bromide Chemical compound [Li+].[Br-] AMXOYNBUYSYVKV-UHFFFAOYSA-M 0.000 claims abstract description 28
- 239000003507 refrigerant Substances 0.000 claims abstract description 20
- 239000006096 absorbing agent Substances 0.000 claims abstract description 14
- 238000010438 heat treatment Methods 0.000 claims abstract description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 26
- 239000012530 fluid Substances 0.000 claims description 4
- 238000007654 immersion Methods 0.000 claims description 2
- 239000000463 material Substances 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 2
- 239000000243 solution Substances 0.000 description 32
- 229940059936 lithium bromide Drugs 0.000 description 10
- 238000005057 refrigeration Methods 0.000 description 6
- 238000001704 evaporation Methods 0.000 description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 4
- 229910052802 copper Inorganic materials 0.000 description 4
- 239000010949 copper Substances 0.000 description 4
- 239000011259 mixed solution Substances 0.000 description 4
- 230000008020 evaporation Effects 0.000 description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 230000002745 absorbent Effects 0.000 description 1
- 239000002250 absorbent Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 235000012054 meals Nutrition 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 239000003643 water by type Substances 0.000 description 1
Classifications
-
- 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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/27—Relating to heating, ventilation or air conditioning [HVAC] technologies
-
- 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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/62—Absorption based systems
Landscapes
- Sorption Type Refrigeration Machines (AREA)
Abstract
The present invention relates to a new process of double-effect lithium bromide absorption refrigerator. The refrigerant steam heater is arranged in the dilute solution flow from the absorber (5) to the high-pressure generator (2), and the refrigerant steam generated by the high-pressure generator is used for heating the dilute solution, so that the heat load of the low-pressure generator is reduced, the heating area of the refrigerating machine is reduced, the material consumption is reduced, the material saving effect of the designed new flow is remarkable, and the novel flow has great popularization and application values.
Description
The present invention relates to a kind of new technological process of double-effect lithium bromide absorption chiller, be applicable to steam type, high-temperature-hot-water type double-effect lithium bromide absorption chiller, be specially adapted to directly burning lithium bromide cold warm water machine group.
Lithium-bromide absorption-type refrigerating machine is the technology that state key is promoted because economize on electricity simple in structure, easily manufactured, energy-conservation is remarkable.But because of its volume is bigger, it is more to consume copper material, reaches 21.5 tons as the refrigeration unit gross weight of 2300KW cold.How to guarantee to reduce the particularly consumption of copper material of metal material under the prerequisite of certain thermal efficiency, be the problem that domestic and international manufacturing firm extremely pays close attention to always.
The objective of the invention is to make it under the identical thermal efficiency, reduce heat transfer area, reduce the consumption of copper material by improving the refrigeration system of double-effect lithium bromide absorption type system refrigeration unit.
The operation principle of lithium-bromide absorption-type refrigerating machine is based on water and under low pressure evaporates, and can realize the low temperature heat absorption.When evaporating under absolute pressure is the condition of 0.87kPa (6.54mmHg) as water, its evaporating temperature is 5 ℃, then evaporation heat absorption under this low temperature, thus reach the purpose of refrigeration.
Double-effect lithium bromide absorption chiller mainly comprises evaporimeter [1], high pressure generator [2], low pressure generator [3], condenser [4], absorber [5], high-temperature solution heat exchanger [6], cryogenic fluid heat exchanger [7] and coagulates water heat exchanger parts such as [8].Fig. 1 has provided workflow diagram of the present invention.With reference to the accompanying drawings the present invention is done further narration below.
The bromize lithium dilute solution that comes out from absorber [5] is carried by generator pump [10], through cryogenic fluid heat exchanger [7], coagulate water heat exchanger [8], high-temperature solution heat exchanger [6] enters high pressure generator [2] after heating up.Feed thermal source steam in the heating tube of low pressure generator [3], the lithium-bromide solution that heating tube is outer.Solution is owing to the moisture content that evaporates by heat out wherein, thus acquisition water as refrigerant steam., the minimizing of moisture content, the concentration of lithium-bromide solution become intermediate concentration solution because increasing.Intermediate concentration solution enters low pressure generator [3] after high temperature liquid heat exchanger [6] heat release.Low pressure generator [3] adopts fountain and immersion structure combining, and the middle concentrated solution that enters low pressure generator [3] is above the saturation temperature under the relevant pressure.
The water as refrigerant steam that high pressure generator [2] produces feeds in the heating tube of low pressure generator [3], as the intermediate concentration solution of thermal source heating from high-temperature solution heat exchanger, makes it evaporate refrigerant vapour again, and solution concentration further increases and becomes concentrated solution.Concentrated solution goes out low pressure generator [3], after cryogenic fluid heat exchanger [7] heat release, gets back to the inlet of absorber [9], and mixes from the weak solution of absorber [5], obtains mixed solution.Mixed solution enters absorber [5] as absorbent.The water as refrigerant steam from high pressure generator [2] as the low pressure generator thermal source becomes water as refrigerant after the heat release.This water as refrigerant feeds in the condenser [4] in the lump together with the water as refrigerant steam that low pressure generator [3] produces.
Pass to cooling water in the pipe of condenser [4], the water as refrigerant steam heat release that is come by low pressure generator [3] is condensed becomes water as refrigerant.The water as refrigerant that combines in condenser [4] bottom enters evaporimeter [1] through choke valve.
Pressure is very low in the evaporimeter [1] in this device, absolute pressure is 0.87kPa, the evaporating temperature of water as refrigerant is 5 ℃ under this pressure, when 12 ℃ chilled waters flow through in the heating tube pipe of evaporimeter [1], can heat release make its evaporation for the outer water as refrigerant of pipe, and chilled water is cooled to 7 ℃, and this is the leaving water temperature that refrigeration machine is supplied with user's chilled water.Resulting low pressure cryogen water vapour in evaporimeter [1] is led to absorber [5].
In absorber [5], water as refrigerant steam is absorbed device pump [10] and squeezes into and spray at the outside mixed solution of tube bank and absorb.The mixed solution that enters absorber is owing to absorb water vapour, and the solution concentration step-down also becomes weak solution.Weak solution is squeezed into high pressure generator [2] through generator pump [9] again, thereby realizes continuously kind of refrigeration cycle.
In the Absorption Refrigerator circulation, solution heat exchanger is set, utilize the lower weak solution of concentrated solution heating-up temperature of high temperature, improve the temperature that weak solution enters generator, can reduce the thermic load of generator, reduce the consumption of working steam, improve the heat-economy of unit.Meanwhile, owing to reduced the temperature that concentrated solution enters absorber, so correspondingly reduced the cooling load of absorber.
There is no question about for the meal temperature solution heat exchanger [7] of economic benefits and social benefits unit for this, and effect is tangible.But for the high-temperature solution heat exchanger of economic benefits and social benefits unit, situation is different.The intermediate concentration solution of the high temperature that comes out from high pressure generator [2] is cooled off by weak solution earlier in high-temperature solution heat exchanger [6] and lowers the temperature, after enter low pressure generator [3] again, reheated again.Just intermediate concentration solution is that first heat release is absorbed heat again, and process is a contradiction.The present invention has overcome this contradiction by the flow process of reasonably arranging work, and has reduced the thermic load of low pressure generator, thereby reduces its heating surface area, reduces its copper material consumption.For remedying the minimizing of high-temperature solution heat exchanger [6] thermic load, to the weak solution flow process of high pressure generator [2], refrigerant vapour heater [11] is set at absorber [5], the water as refrigerant steam that utilize high pressure generator [2], produces comes heat dilute solution.
Claims (3)
1. the new technological process of a double-effect lithium bromide absorption chiller, comprise evaporimeter [1], high pressure generator [2], low pressure generator [3], condenser [4], absorber [5], high-temperature solution heat exchanger [6], cryogenic fluid heat exchanger [7], coagulate water heat exchanger [8], it is characterized in that absorber [5] is provided with refrigerant vapour heater [11] to the weak solution flow process of high pressure generator [2].
2. the new technological process of double-effect lithium bromide absorption chiller according to claim 1 is characterized in that refrigerant vapour heater [11] is serves as the heating thermal source with the water as refrigerant steam that high pressure generator produces.
3. the new technological process of double-effect lithium bromide absorption chiller according to claim 1 is characterized in that low pressure generator [3] adopts fountain and immersion structure combining, and the middle concentrated solution that enters low pressure generator is above the saturation temperature under the relevant pressure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN95112151A CN1147618A (en) | 1995-10-09 | 1995-10-09 | New process of double-effect bromination absorption type refrigerator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN95112151A CN1147618A (en) | 1995-10-09 | 1995-10-09 | New process of double-effect bromination absorption type refrigerator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1147618A true CN1147618A (en) | 1997-04-16 |
Family
ID=5079362
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN95112151A Pending CN1147618A (en) | 1995-10-09 | 1995-10-09 | New process of double-effect bromination absorption type refrigerator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1147618A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101793441A (en) * | 2010-03-12 | 2010-08-04 | 大连海事大学 | Lithium bromide absorption type refrigerating machine and refrigerating method thereof |
| CN104075481A (en) * | 2014-06-27 | 2014-10-01 | 周立超 | Technology and device of highly corrosive and highly mineralized oilfield producing water direct fired type heat pump |
| CN110748389A (en) * | 2019-10-25 | 2020-02-04 | 深圳市中世环能技术股份有限公司 | One-core three-supply three-elimination distributed system |
| CN111550947A (en) * | 2020-06-22 | 2020-08-18 | 广东电网有限责任公司广州供电局 | Novel lithium bromide absorption heat pump and heating method thereof |
-
1995
- 1995-10-09 CN CN95112151A patent/CN1147618A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101793441A (en) * | 2010-03-12 | 2010-08-04 | 大连海事大学 | Lithium bromide absorption type refrigerating machine and refrigerating method thereof |
| CN104075481A (en) * | 2014-06-27 | 2014-10-01 | 周立超 | Technology and device of highly corrosive and highly mineralized oilfield producing water direct fired type heat pump |
| CN106052183A (en) * | 2014-06-27 | 2016-10-26 | 周立超 | Direct-fired type heat pump device for strong-corrosion hypersalinity oilfield produced water |
| CN110748389A (en) * | 2019-10-25 | 2020-02-04 | 深圳市中世环能技术股份有限公司 | One-core three-supply three-elimination distributed system |
| CN111550947A (en) * | 2020-06-22 | 2020-08-18 | 广东电网有限责任公司广州供电局 | Novel lithium bromide absorption heat pump and heating method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101000179B (en) | Three-stage absorption refrigeration machine | |
| CN101000180B (en) | Two-stage and three-stage absorption refrigeration machine | |
| CN2913969Y (en) | Compression type and absorption type associated refrigerating plant | |
| CN111780451A (en) | Steam double-effect type lithium bromide absorption water chilling unit capable of supplying heat in single effect | |
| CN203704433U (en) | Two-stage lithium bromide absorption heat transformer unit with flash evaporator | |
| CN1147618A (en) | New process of double-effect bromination absorption type refrigerator | |
| CN2909113Y (en) | Low temp water/steam single double efficient lithium bromide absorption refrigeration machine | |
| CN2525445Y (en) | Two purpose second class lithium bromide absorptice heat pump | |
| CN206191974U (en) | Take steam direct heat supply's steam type first kind lithium bromide absorption heat pump unit | |
| CN212511916U (en) | Steam double-effect type lithium bromide absorption water chilling unit capable of supplying heat in single effect | |
| CN201724465U (en) | Lithium bromide absorbing refrigeration unit | |
| CN211233438U (en) | Steam type lithium bromide absorption heat pump unit capable of achieving double-effect refrigeration | |
| CN210356070U (en) | Working medium heat pump rectification system | |
| CN107843039A (en) | One kind energy-conservation dynamic plate ice heat pump | |
| CN211233437U (en) | Single-effect heating and double-effect refrigerating steam type lithium bromide absorption heat pump unit | |
| CN1641292A (en) | Absorption refrigerator | |
| CN205300023U (en) | Compression type absorption refrigerating unit | |
| CN2177203Y (en) | Waste heat type lithium bromide absorption refrigerator | |
| CN1141536C (en) | Jet suction type centralized air conditioner | |
| CN2525443Y (en) | Two Purpose second class lithium bromide absorptice heat pump | |
| CN2624110Y (en) | Novel safety household hot-water apparatus needing no energy | |
| CN219160661U (en) | Temperature rising type absorption heat pump system for vapor recompression | |
| CN1148156A (en) | Multi-function, direct combustion type set for making cold water and warm water with two pump by utilizing lithium bromide | |
| CN201028878Y (en) | Energy-saving device of lithium bromide absorption type refrigerator for producing sanitary hot water when refrigeration | |
| CN2243459Y (en) | Multi-effect hot-pump water distiller |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C01 | Deemed withdrawal of patent application (patent law 1993) | ||
| WD01 | Invention patent application deemed withdrawn after publication |