CN214371047U - Two-stage and double-effect composite lithium bromide absorption type water chilling unit - Google Patents
Two-stage and double-effect composite lithium bromide absorption type water chilling unit Download PDFInfo
- Publication number
- CN214371047U CN214371047U CN202120329198.3U CN202120329198U CN214371047U CN 214371047 U CN214371047 U CN 214371047U CN 202120329198 U CN202120329198 U CN 202120329198U CN 214371047 U CN214371047 U CN 214371047U
- Authority
- CN
- China
- Prior art keywords
- double
- stage
- effect
- lithium bromide
- heat exchanger
- 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.)
- Withdrawn - After Issue
Links
- AMXOYNBUYSYVKV-UHFFFAOYSA-M lithium bromide Chemical compound [Li+].[Br-] AMXOYNBUYSYVKV-UHFFFAOYSA-M 0.000 title claims abstract description 118
- 238000010521 absorption reaction Methods 0.000 title claims abstract description 24
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 21
- 239000002131 composite material Substances 0.000 title claims description 14
- 239000006096 absorbing agent Substances 0.000 claims abstract description 55
- 239000003507 refrigerant Substances 0.000 claims abstract description 41
- 239000000498 cooling water Substances 0.000 claims description 13
- 238000010438 heat treatment Methods 0.000 claims 4
- 238000005086 pumping Methods 0.000 claims 1
- 238000005057 refrigeration Methods 0.000 abstract description 25
- 239000002918 waste heat Substances 0.000 abstract description 4
- -1 compound lithium bromide Chemical class 0.000 abstract description 2
- 238000004134 energy conservation Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000004378 air conditioning Methods 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Images
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 utility model relates to a two-stage and compound lithium bromide absorption formula cold water unit of economic benefits and social benefits, include: the system comprises an evaporator (1), an absorber (2), a two-stage low-pressure generator (3), a high-pressure absorber (4), a two-stage high-pressure generator (5), a condenser (6), a first heat exchanger (7), a second heat exchanger (8), a refrigerant pump (9), a first solution pump (10), a second solution pump (11), a third solution pump (12), a fourth solution pump (13), a double-effect low-temperature heat exchanger (14), a double-effect high-temperature heat exchanger (15), a double-effect high-pressure generator (16) and a double-effect low-pressure generator (17). The unit constructs two paths of refrigeration cycles, one path of refrigeration cycle realizes two-stage absorption and two-stage generation refrigeration by using a low-temperature heat source, the other path of refrigeration cycle realizes double-effect refrigeration by using a high-temperature heat source, the two paths of refrigeration cycles can independently operate for refrigeration and simultaneously operate for refrigeration, and the refrigeration stability is realized under the condition of fully utilizing low-temperature waste heat and saving energy.
Description
Technical Field
The utility model relates to an air conditioning equipment technical field, concretely relates to two-stage and compound lithium bromide absorption formula cold water unit of economic benefits and social benefits.
Background
As shown in fig. 1, the conventional two-stage absorption two-stage generation type lithium bromide absorption chiller (hereinafter referred to as a two-stage chiller) is composed of an evaporator 1, an absorber 2, a two-stage low-pressure generator 3, a high-pressure absorber 4, a two-stage high-pressure generator 5, a condenser 6, a first heat exchanger 7, a second heat exchanger 8, a refrigerant pump 9, a first solution pump 10, a second solution pump 11, a third solution pump 12, a control system (not shown in the figure), and pipelines and valves connecting the respective components. The cold water flows through the evaporator 1 to be cooled; cooling water flows through the absorber 2, the high-pressure absorber 4 and the condenser 6 to be heated; the low temperature heat source flows through the two-stage low pressure generator 3 and the two-stage high pressure generator 5, and releases heat to heat the concentrated lithium bromide solution. When the two-stage unit operates, the refrigerant water pumped by the refrigerant pump 9 and sprayed from the top of the evaporator 1 absorbs the heat of the cold water flowing through the heat transfer tubes of the evaporator 1, is vaporized into refrigerant steam, and then enters the absorber 2 to be absorbed by the first-stage lithium bromide solution (the heat released when the refrigerant steam is absorbed is taken away by the cooling water flowing through the heat transfer tubes of the absorber 2); the first-stage lithium bromide solution in the absorber 2 absorbs refrigerant steam, the concentration of the refrigerant steam becomes dilute, the refrigerant steam is pumped out by a first solution pump 10, and the refrigerant steam enters the two-stage low-pressure generator 3 after being subjected to heat exchange and temperature rise by a first heat exchanger 7, and is heated and concentrated by a low-temperature heat source; the concentrated first-stage lithium bromide solution is pumped out by a second solution pump 11, and is subjected to heat exchange and temperature reduction by a first heat exchanger 7 and then returns to the absorber 2, and the concentrated refrigerant steam enters the high-pressure absorber 4 and is absorbed by the second-stage lithium bromide solution (heat released during absorption of the refrigerant steam is taken away by cooling water flowing through heat transfer tubes of the high-pressure absorber 4); the concentration of the second-stage lithium bromide solution in the high-pressure absorber 4 becomes dilute after absorbing the refrigerant steam, the second-stage lithium bromide solution is pumped out by a third solution pump 12, enters the two-stage high-pressure generator 5 after being subjected to heat exchange and temperature rise by the second heat exchanger 8, is heated and concentrated by the low-temperature heat source, the concentrated second-stage lithium bromide solution returns to the high-pressure absorber 4 after being subjected to heat exchange and temperature reduction by the second heat exchanger 8, the concentrated refrigerant steam enters the condenser 6, is cooled and condensed by cooling water, and then returns to the evaporator 1.
The two-stage type unit can utilize a low-temperature heat source with low temperature to refrigerate, thereby realizing energy conservation. However, such low temperature heat sources for consumers are often less stable, thereby causing unstable refrigeration and limiting their use. If one unit can utilize a low-temperature heat source to carry out two-stage absorption and two-stage generation refrigeration, energy is saved, and when the low-temperature heat source is insufficient, high-grade heat sources can be supplemented to carry out double-effect refrigeration so as to maintain the refrigeration stability, the application of the unit utilizing the low-temperature waste heat to carry out refrigeration is greatly improved.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the unstable refrigeration problem that arouses of the low temperature waste heat source instability, guaranteeing the stable refrigeration capacity of the water chilling unit.
The purpose of the utility model is realized like this:
the purpose of the utility model is realized like this: a two-stage and double-effect composite lithium bromide absorption water chilling unit (hereinafter referred to as composite unit) comprises: the system comprises an evaporator, an absorber, a two-stage low-pressure generator, a high-pressure absorber, a two-stage high-pressure generator, a condenser, a first heat exchanger, a second heat exchanger, a refrigerant pump, a first solution pump, a second solution pump, a third solution pump, a fourth solution pump, a double-effect low-temperature heat exchanger, a double-effect high-pressure generator and a double-effect low-pressure generator. The composite type unit is additionally provided with a fourth solution pump, a double-effect low-temperature heat exchanger, a double-effect high-pressure generator and a double-effect low-pressure generator on the existing two-stage type unit, and under the condition that the refrigeration cycle of the original two-stage type unit is kept unchanged, newly added components, the original evaporator, the original absorber, the original condenser and the original refrigerant pump form a parallel double-effect refrigeration cycle, namely: the fourth solution pump pumps the first-stage lithium bromide solution in the absorber and sends the solution into the double-effect high-pressure generator and the double-effect low-pressure generator through the double-effect low-temperature heat exchanger and the double-effect high-temperature heat exchanger, the high-temperature heat source heats and concentrates a lithium bromide solution in the double-effect high-pressure generator, the concentrated high-temperature refrigerant steam enters the lithium bromide solution in the double-effect low-pressure generator, the concentrated lithium bromide solution in the double-effect high-pressure generator and the double-effect low-pressure generator returns to the absorber through the double-effect low-temperature heat exchanger and the double-effect high-temperature heat exchanger, the high-temperature refrigerant steam concentrated from the lithium bromide solution in the double-effect high-pressure generator heats the solution in the double-effect low-pressure generator, releases heat and condenses, and then enters the condenser, the concentrated refrigerant steam in the double-effect low-pressure generator also enters the condenser, and the two paths of refrigerant steam (refrigerant water) are cooled and condensed and then return to the evaporator. When the single low-temperature heat source driving unit carries out two-stage absorption and two-stage refrigeration, the newly added components do not run, and only the original components are used; when a single high-temperature heat source drives the unit to perform double-effect refrigeration, the newly added components are operated with the original evaporator, absorber, condenser and refrigerant pump; when the low-temperature heat source and the high-temperature heat source drive the unit to operate simultaneously, all the components operate.
The utility model has the advantages that:
compared with the existing two-stage type unit, the utility model discloses an increase the part and found the economic benefits and social benefits refrigeration cycle that parallels with former two-stage type unit refrigeration cycle all the way to make the unit can carry out the two-stage with the drive of low temperature waste heat alone and absorb the two-stage and take place the refrigeration, realize energy-conservation, can carry out economic benefits and social benefits high efficiency refrigeration with the drive of high temperature heat source alone again, still two kinds of energy simultaneous drive realize double-circuit circulation refrigeration, guarantee refrigerated stability when realizing energy-conservation.
Drawings
Fig. 1 is a working schematic diagram of a two-stage absorption two-stage generation type lithium bromide absorption water chilling unit in the prior art.
Fig. 2 is an application example of the two-stage and double-effect composite lithium bromide absorption water chilling unit of the present invention.
Fig. 3 is another application example of the two-stage and double-effect composite lithium bromide absorption water chilling unit of the present invention.
Reference numbers in the figures:
the system comprises an evaporator 1, an absorber 2, a two-stage low-pressure generator 3, a high-pressure absorber 4, a two-stage high-pressure generator 5, a condenser 6, a first heat exchanger 7, a second heat exchanger 8, a refrigerant pump 9, a first solution pump 10, a second solution pump 11, a third solution pump 12, a fourth solution pump 13, a double-effect low-temperature heat exchanger 14, a double-effect high-temperature heat exchanger 15, a double-effect high-pressure generator 16, a double-effect low-pressure generator 17, a cold water inlet A1, a cold water outlet A2, a cooling water inlet B1, a cooling water outlet B2, a low-temperature heat source inlet C1, a low-temperature heat source outlet C2, a high-temperature heat source inlet D1 and a high-temperature heat source outlet D2.
Detailed Description
Fig. 2 is an application example diagram of a two-stage and double-effect composite lithium bromide absorption water chilling unit (hereinafter referred to as a unit) according to the present invention, which is composed of an evaporator 1, an absorber 2, a two-stage low-pressure generator 3, a high-pressure absorber 4, a two-stage high-pressure generator 5, a condenser 6, a first heat exchanger 7, a second heat exchanger 8, a refrigerant pump 9, a first solution pump 10, a second solution pump 11, a third solution pump 12, a fourth solution pump 13, a double-effect low-temperature heat exchanger 14, a double-effect high-temperature heat exchanger 15, a double-effect high-pressure generator 16, a double-effect low-pressure generator 17, a control system (not shown in the figure), and pipelines and valves connecting the components. Cold water flows through the evaporator 1, cooling water flows through the absorber 2, the high-pressure absorber 4 and the condenser 6 in parallel, a low-temperature heat source flows through the two-stage low-pressure generator 3 and the two-stage high-pressure generator 5, and a high-temperature heat source flows through the double-effect high-pressure generator 16. When the unit is operated, the refrigerant water pumped by the refrigerant pump 9 and sprayed from the top of the evaporator 1 absorbs the heat of the cold water flowing through the heat transfer tubes of the evaporator 1, is vaporized into refrigerant steam, and then enters the absorber 2 to be absorbed by the first-stage lithium bromide solution (the heat released when the refrigerant steam is absorbed is taken away by the cooling water flowing through the heat transfer tubes of the absorber 2); the first-stage lithium bromide solution in the absorber 2 absorbs refrigerant vapor, then the concentration becomes dilute, and the refrigerant vapor is pumped out by a first solution pump 10 and a fourth solution pump 13. The first-stage lithium bromide solution pumped by the first solution pump 10 enters the two-stage low-pressure generator 3 after being subjected to heat exchange and temperature rise by the first heat exchanger 7, and is heated and concentrated by a low-temperature heat source; the concentrated first-stage lithium bromide solution is pumped out by a second solution pump 11, and is subjected to heat exchange and temperature reduction by a first heat exchanger 7 and then returned to the absorber 2, and the concentrated refrigerant steam enters the high-pressure absorber 4 and is absorbed by the second-stage lithium bromide solution (heat released during absorption of the refrigerant steam is taken away by cooling water flowing through heat transfer tubes of the high-pressure absorber 4); the concentration of the second-stage lithium bromide solution in the high-pressure absorber 4 becomes dilute after absorbing the refrigerant steam, the second-stage lithium bromide solution is pumped out by a third solution pump 12, enters the two-stage high-pressure generator 5 after being subjected to heat exchange and temperature rise by the second heat exchanger 8, is heated and concentrated by the low-temperature heat source, the concentrated second-stage lithium bromide solution returns to the high-pressure absorber 4 after being subjected to heat exchange and temperature reduction by the second heat exchanger 8, the concentrated refrigerant steam enters the condenser 6, is cooled and condensed by cooling water, and then returns to the evaporator 1. The first-stage lithium bromide solution pumped out by the fourth solution pump 13 is divided into two paths, the two paths are respectively subjected to heat exchange and temperature rise by the double-effect high-temperature heat exchanger 15 and the double-effect low-temperature heat exchanger 14 and then enter the double-effect high-pressure generator 16 and the double-effect low-pressure generator 17, the high-temperature heat source heats the lithium bromide solution in the concentrated double-effect high-pressure generator 16, the concentrated high-temperature refrigerant steam enters the lithium bromide solution in the double-effect low-pressure generator 17, the concentrated lithium bromide solution in the double-effect high-pressure generator 16 and the double-effect low-pressure generator 17 returns to the absorber 2 through the double-effect high-temperature heat exchanger 15 and the double-effect low-temperature heat exchanger 14, the high-temperature refrigerant steam concentrated from the lithium bromide solution in the double-effect high-pressure generator 16 heats the solution in the double-effect low-pressure generator 17, releases heat and condenses, and then enters the condenser 6, the refrigerant steam concentrated in the double-effect low-pressure generator 17 also enters the condenser 6, the two paths of refrigerant steam (refrigerant water) are cooled and condensed by cooling water in the condenser 6 and then return to the evaporator 1.
In the two-stage and double-effect composite lithium bromide absorption chiller unit shown in fig. 2, the first-stage lithium bromide solution pumped by the fourth solution pump 13 flows through the double-effect high-temperature heat exchanger 15 and the double-effect low-temperature heat exchanger 14 in parallel, then enters the double-effect high-pressure generator 16 and the double-effect low-pressure generator 17, is concentrated, and then returns to the absorber 2 through the double-effect high-temperature heat exchanger 15 and the double-effect low-temperature heat exchanger 14; or as shown in fig. 3, the concentrated gas enters the double-effect high-pressure generator 16 after flowing through the double-effect low-temperature heat exchanger 14 and the double-effect high-temperature heat exchanger 15 in series, then enters the double-effect low-pressure generator 17 through the double-effect high-temperature heat exchanger 15, and then returns to the absorber 2 through the double-effect low-temperature heat exchanger 14 after being concentrated again.
In the two-stage and double-effect composite lithium bromide absorption chiller unit shown in fig. 2 and 3, the cooling water flows through the absorber 2, the high-pressure absorber 4 and the condenser 6 in parallel, or flows through the absorber 2, the high-pressure absorber 4 and the condenser 6 in series or in parallel in any order.
In addition to the above embodiments, the present invention also includes other embodiments, and all technical solutions formed by equivalent transformation or equivalent replacement should fall within the protection scope of the claims of the present invention.
Claims (4)
1. A two-stage and double-effect composite lithium bromide absorption water chilling unit is characterized in that:
the lithium bromide absorption device comprises an evaporator (1), an absorber (2), a two-stage low-pressure generator (3), a high-pressure absorber (4), a two-stage high-pressure generator (5), a condenser (6), a first heat exchanger (7), a second heat exchanger (8), a refrigerant pump (9), a first solution pump (10), a second solution pump (11), a third solution pump (12), a fourth solution pump (13), a double-effect low-temperature heat exchanger (14), a double-effect high-temperature heat exchanger (15), a double-effect high-pressure generator (16) and a double-effect low-pressure generator (17), wherein the fourth solution pump (13) is used for pumping out a first-stage lithium bromide solution in the absorber (2);
the first-stage lithium bromide solution pumped by the fourth solution pump (13) is divided into two paths, one path of the lithium bromide solution flows through the double-effect high-temperature heat exchanger (15) and then is sent into the double-effect high-pressure generator (16) for heating and concentration, the lithium bromide solution returns to the absorber (2) through the double-effect high-temperature heat exchanger (15) after concentration, the other path of the lithium bromide solution flows through the double-effect low-temperature heat exchanger (14) and then is sent into the double-effect low-pressure generator (17) for heating and concentration, and the lithium bromide solution returns to the absorber (2) through the double-effect low-temperature heat exchanger (14) after concentration;
or the first-stage lithium bromide solution pumped by the fourth solution pump (13) flows through the double-effect low-temperature heat exchanger (14) and the double-effect high-temperature heat exchanger (15) in series and then enters the double-effect high-pressure generator (16), the lithium bromide solution enters the double-effect low-pressure generator (17) through the double-effect high-temperature heat exchanger (15) after being concentrated again, and the lithium bromide solution returns to the absorber (2) through the double-effect low-temperature heat exchanger (14) after being concentrated again;
refrigerant steam generated by concentrating the lithium bromide solution in the two-stage high-pressure generator (5), the double-effect high-pressure generator (16) and the double-effect low-pressure generator (17) enters the condenser (6).
2. The two-stage and double-effect composite lithium bromide absorption chiller according to claim 1, wherein: the cooling water flows through the absorber (2), the high-pressure absorber (4) and the condenser (6) in parallel, or flows through the absorber (2), the high-pressure absorber (4) and the condenser (6) in series or in series and parallel in any sequence.
3. The two-stage and double-effect composite lithium bromide absorption chiller according to claim 1, wherein: the first-stage lithium bromide solution in the absorber (2) is pumped out by the first solution pump (10), the first-stage lithium bromide solution pumped out by the first solution pump (10) is sent into the two-stage low-pressure generator (3) through the first heat exchanger (7) for heating and concentration, and the concentrated first-stage lithium bromide solution is pumped out by the second solution pump (11) and returns to the absorber (2) through the first heat exchanger (7).
4. The two-stage and double-effect composite lithium bromide absorption chiller according to claim 1, wherein: the second-stage lithium bromide solution in the high-pressure absorber (4) is pumped out by a third solution pump (12), the second-stage lithium bromide solution pumped out by the third solution pump (12) is sent to the two-stage high-pressure generator (5) through a second heat exchanger (8) for heating and concentration, and the concentrated second-stage lithium bromide solution returns to the high-pressure absorber (4) through the second heat exchanger (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120329198.3U CN214371047U (en) | 2021-02-05 | 2021-02-05 | Two-stage and double-effect composite lithium bromide absorption type water chilling unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120329198.3U CN214371047U (en) | 2021-02-05 | 2021-02-05 | Two-stage and double-effect composite lithium bromide absorption type water chilling unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214371047U true CN214371047U (en) | 2021-10-08 |
Family
ID=77965194
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120329198.3U Withdrawn - After Issue CN214371047U (en) | 2021-02-05 | 2021-02-05 | Two-stage and double-effect composite lithium bromide absorption type water chilling unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214371047U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112747494A (en) * | 2021-02-05 | 2021-05-04 | 双良节能***股份有限公司 | Two-stage and double-effect composite lithium bromide absorption type water chilling unit |
-
2021
- 2021-02-05 CN CN202120329198.3U patent/CN214371047U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112747494A (en) * | 2021-02-05 | 2021-05-04 | 双良节能***股份有限公司 | Two-stage and double-effect composite lithium bromide absorption type water chilling unit |
| CN112747494B (en) * | 2021-02-05 | 2024-06-18 | 双良节能***股份有限公司 | Two-stage and double-effect composite lithium bromide absorption type water chilling unit |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US20180172320A1 (en) | Multi-stage plate-type evaporation absorption cooling device and method | |
| CN101825369A (en) | High-efficiency compact high-temperature absorption type heat pump unit | |
| CN107655235B (en) | Double-effect two-stage lithium bromide absorption type water chilling unit for hot water vapor | |
| CN110542241B (en) | Single-double effect composite steam-absorption two-section type first lithium bromide absorption heat pump unit | |
| CN110542240A (en) | Single-effect and double-effect composite steam type first-type lithium bromide absorption heat pump unit | |
| CN101666563B (en) | Multi-stage generation absorption heat pump and refrigerating machine set | |
| CN106440475B (en) | Two-stage cascade single-effect lithium bromide absorption type refrigeration heat pump unit | |
| CN214371047U (en) | Two-stage and double-effect composite lithium bromide absorption type water chilling unit | |
| CN214371048U (en) | Double-effect and two-stage composite lithium bromide absorption type water chilling unit | |
| CN107560223B (en) | Hot water type lithium bromide absorption water chilling unit capable of effectively running | |
| CN103175332B (en) | Two-stage absorption refrigeration circulation system based on double working pairs and refrigeration method thereof | |
| CN102401504B (en) | High-efficiency 1.5-acting lithium bromide absorption-type refrigeration/heat pump unit | |
| CN214501779U (en) | Double-effect lithium bromide absorption type water chilling unit with two-stage refrigeration | |
| CN104180555B (en) | A kind of cold dual effect type lithium bromide jet suction type cooling cycle system | |
| CN107687721B (en) | Hot water type lithium bromide absorption chiller with single effect generating solution parallel connection | |
| CN112747495B (en) | Double-effect and two-stage composite lithium bromide absorption type water chilling unit | |
| CN112747494B (en) | Two-stage and double-effect composite lithium bromide absorption type water chilling unit | |
| CN110500688B (en) | Dilution type refrigeration heat pump system for air conditioning by utilizing dilution heat | |
| CN219141149U (en) | Single-stage cascade series single-effect lithium bromide absorption refrigeration heat pump unit | |
| CN112747496B (en) | Double-effect lithium bromide absorption type water chilling unit with two-stage refrigeration | |
| CN114251864B (en) | Absorption refrigerator | |
| CN218627345U (en) | Single-effect series cascade lithium bromide absorption type refrigeration/heat pump unit | |
| CN204678738U (en) | A kind of lithium bromide absorption type heat pump machine set system | |
| CN218672688U (en) | Single-effect two-stage composite lithium bromide absorption refrigerating unit with afterburning | |
| CN104180561B (en) | A kind of cold double-effect lithium bromide absorption type cooling cycle system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20211008 Effective date of abandoning: 20240618 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20211008 Effective date of abandoning: 20240618 |