CN203940654U - Superposition type air cooling single-double effect compound type lithium bromide absorption type refrigeration machine - Google Patents
Superposition type air cooling single-double effect compound type lithium bromide absorption type refrigeration machine Download PDFInfo
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- CN203940654U CN203940654U CN201420348684.XU CN201420348684U CN203940654U CN 203940654 U CN203940654 U CN 203940654U CN 201420348684 U CN201420348684 U CN 201420348684U CN 203940654 U CN203940654 U CN 203940654U
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- temperature level
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- high temperature
- cooling water
- low temperature
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Links
- 238000005057 refrigeration Methods 0.000 title claims abstract description 102
- AMXOYNBUYSYVKV-UHFFFAOYSA-M Lithium bromide Chemical compound [Li+].[Br-] AMXOYNBUYSYVKV-UHFFFAOYSA-M 0.000 title claims abstract description 78
- 230000000694 effects Effects 0.000 title claims abstract description 59
- 238000001816 cooling Methods 0.000 title claims abstract description 38
- 238000010521 absorption reaction Methods 0.000 title claims abstract description 36
- 150000001875 compounds Chemical class 0.000 title claims abstract description 33
- 239000000498 cooling water Substances 0.000 claims abstract description 64
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 54
- 239000006096 absorbing agent Substances 0.000 claims abstract description 20
- UGFAIRIUMAVXCW-UHFFFAOYSA-N carbon monoxide Chemical group [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 42
- 239000003546 flue gas Substances 0.000 claims description 42
- 239000000779 smoke Substances 0.000 claims description 14
- 239000012530 fluid Substances 0.000 claims description 10
- 239000002918 waste heat Substances 0.000 claims description 10
- 238000002485 combustion reaction Methods 0.000 claims description 4
- 238000000034 method Methods 0.000 abstract description 8
- 229940059936 lithium bromide Drugs 0.000 description 27
- 238000004378 air conditioning Methods 0.000 description 4
- 238000009833 condensation Methods 0.000 description 3
- 230000005494 condensation Effects 0.000 description 3
- 238000001704 evaporation Methods 0.000 description 3
- 239000007789 gas Substances 0.000 description 2
- 208000008425 Protein Deficiency Diseases 0.000 description 1
- 238000005516 engineering process Methods 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
Abstract
The utility model relates to a kind of superposition type air cooling single-double effect compound type lithium bromide absorption type refrigeration machine, belongs to air conditioner technical field.Comprise single-effect type high temperature level refrigeration train (43), dual effect type low temperature level refrigeration train (44), air cooler (21) and High-temperature cooling water pump (19), the series connection of air cooler (21) and High-temperature cooling water pump (19) is arranged in the High-temperature cooling water lines between high temperature cold level condenser outlet pipe (23) and the high temperature level absorber water inlet pipe (18) of single-effect type high temperature level refrigeration train, the high temperature level evaporimeter outlet pipe (30) of single-effect type high temperature level refrigeration train (43) is received on the low temperature level cooling water inlet pipe (38) of dual effect type low temperature level refrigeration train (44), the low temperature level cooling water outlet pipe (39) of dual effect type low temperature level refrigeration train (44) is received on the high temperature level evaporimeter water inlet pipe (29) of single-effect type high temperature level refrigeration train (43).The utility model also can be produced the cold water of 5 ~ 10 DEG C of temperature lower temperatures up to the place of 50 DEG C of left and right in environment temperature.In refrigerator operation process, there is no cooling water loss.
Description
Technical field
The present invention relates to a kind of lithium-bromide absorption-type refrigerating machine.Belong to air conditioner technical field.
Background technology
A kind of flue gas single-effect lithiumbromide absorption refrigerating machine group in the past as shown in Figure 1.This unit is made up of pipeline, the valve of flue gas type generator 11, condenser 10, evaporimeter 3, absorber 2, solution heat exchanger 1, solution pump 4, cryogenic fluid pump 5 and connecting components, the cooling water inlet pipe 6 of unit is generally connected (in figure depending on not going out) with unit external refrigeration water circulation water pump and open cooling tower with cooling water outlet pipe 9, by cooling tower, the recirculated cooling water of unit is cooled.Because cooling water flow exists evaporating loss and drift ice loss when the cooling tower, in unit running process, need constantly to supplement cooling water, this unit is only applicable to water resource and obtains comparatively economic place, can be subject to lack of water restriction in arid area use.In addition, in high temperature and drought area, not only lack of water, also because environment temperature is too high, makes the circulating cooling coolant-temperature gage of lithium-bromide absorption-type refrigerating machine higher, is difficult to produce meet general comfort air conditioning system or technique and cool with low temperature (5 ~ 10 DEG C of temperature) cold water.
Summary of the invention
The object of the invention is to overcome above-mentioned deficiency, a kind of superposition type air cooling single-double effect compound type type lithium-bromide absorption-type refrigerating machine is provided, make refrigeration machine also can produce the cold water of 5 ~ 10 DEG C of temperature lower temperatures up to the place of 50 DEG C of left and right in environment temperature.In refrigerator operation process, there is no cooling water loss, do not need to supplement cooling water, be applicable to produce in high temperature and drought area comfort air conditioning system or technique and cool and use cold water.
The object of the present invention is achieved like this: a kind of superposition type air cooling single-double effect compound type lithium bromide absorption type refrigeration machine, comprise single-effect type high temperature level refrigeration train, single-effect type high temperature level refrigeration train comprises generator, high temperature level evaporimeter, high temperature level absorber, high temperature level condenser, solution heat exchanger, high temperature level solution pump and high temperature level cryogenic fluid pump, the cooling water flow path of high temperature level absorber and high temperature level condenser adopts serial flow, it is characterized in that described refrigeration machine has additional dual effect type low temperature level refrigeration train, air cooler and High-temperature cooling water pump, dual effect type low temperature level refrigeration train comprises high pressure generator, low pressure generator, low temperature level condenser, low temperature level evaporimeter, low temperature level absorber, high-temperature heat exchanger, low temperature heat exchanger, low temperature level solution pump and low temperature level cryogenic fluid pump, air cooler and high-temperature cooling water series connection of pumps are arranged in the High-temperature cooling water lines between high temperature level condenser outlet pipe and high temperature level absorber water inlet pipe, the high temperature level evaporimeter outlet pipe of single-effect type high temperature level refrigeration train is received on the low temperature level cooling water inlet pipe of dual effect type low temperature level refrigeration train, and the low temperature level cooling water outlet pipe of dual effect type low temperature level refrigeration train is received on the high temperature level evaporimeter water inlet pipe of single-effect type high temperature level refrigeration train.
Superposition type air cooling single-double effect compound type lithium bromide absorption type refrigeration machine of the present invention, is provided with sub-cooled water pump on described high temperature level evaporimeter outlet pipe.
Superposition type air cooling single-double effect compound type lithium bromide absorption type refrigeration machine of the present invention, is provided with sub-cooled water pump on described high temperature level evaporimeter water inlet pipe.
Superposition type air cooling single-double effect compound type lithium bromide absorption type refrigeration machine of the present invention, between the high temperature level condenser water inlet pipe of described high temperature level condenser and high temperature level condenser outlet pipe, be provided with high-temperature cooling water bypass pipe, on high-temperature cooling water bypass pipe, be provided with cooling water electric control valve.
Superposition type air cooling single-double effect compound type lithium bromide absorption type refrigeration machine of the present invention, described generator is flue gas type generator, high pressure generator is flue gas type high pressure generator.
Superposition type air cooling single-double effect compound type lithium bromide absorption type refrigeration machine of the present invention is all provided with smoke valve on the waste heat flue gas inlet tube of flue gas type generator and flue gas type high pressure generator.
Superposition type air cooling single-double effect compound type lithium bromide absorption type refrigeration machine of the present invention is all provided with air-introduced machine on the waste heat smoke outlet tube of flue gas type generator and flue gas type high pressure generator.
Superposition type air cooling single-double effect compound type lithium bromide absorption type refrigeration machine of the present invention, described generator is direct combustion type generator, high pressure generator is Direct Fired High Pressure Generator.
Superposition type air cooling single-double effect compound type lithium bromide absorption type refrigeration machine of the present invention, described generator is steam type generator, high pressure generator is steam type high pressure generator.
Superposition type air cooling single-double effect compound type lithium bromide absorption type refrigeration machine of the present invention, the cooling water flow path of described dual effect type low temperature level refrigeration train is parallel-connection flow or is serial flow.
The invention has the beneficial effects as follows:
The present invention sets up air cooler, High-temperature cooling water pump and dual effect type low temperature level refrigeration train (single-effect lithiumbromide absorption refrigerating machine is in the past as the single-effect type high temperature level refrigeration train of refrigeration machine of the present invention) on the basis of single-effect lithiumbromide absorption refrigerating machine in the past, the superposition type air cooling single-double effect compound type lithium bromide absorption type refrigeration machine that refrigeration machine is become be made up of high and low temperature two-stage refrigeration train and air cooler.The cooling water of single-effect type high temperature level refrigeration train cools with air cooler, and cooling water adopts closed cycle, there is no evaporating loss and drift ice loss in refrigerator operation process, does not need to supplement cooling water; The cold water that single-effect type high temperature level refrigeration train is produced is as the cooling water of dual effect type low temperature level refrigeration train, make refrigeration machine also can produce low temperature (5 ~ 10 DEG C of temperature) cold water in environment temperature up to the place of 50 DEG C of left and right, be applicable to produce in high temperature and drought area comfort air conditioning system or technique and cool with cold water; Between the cooling water inlet tube and outlet tube of high temperature level condenser, be provided with the water bypass pipe of cooling water electric control valve, the condensation temperature of stablizing single-effect type high temperature level refrigeration train can make environmental temperature fluctuation cause more greatly the fluctuation of air cooler leaving water temperature larger time, ensures refrigeration machine stable operation.
Brief description of the drawings
Fig. 1 is flue gas single-effect lithiumbromide absorption refrigerating machine structural representation in the past.
Fig. 2 is superposition type air cooling flue gas single-double effect compound type lithium bromide absorption type refrigeration machine structural representation of the present invention, and the cooling water flow path of dual effect type low temperature level refrigeration train is parallel-connection flow.
Fig. 3 is superposition type air cooling flue gas single-double effect compound type lithium bromide absorption type refrigeration machine structural representation of the present invention, and sub-cooled water pump is arranged on high temperature level evaporimeter water inlet pipe.
Fig. 4 is superposition type air cooling flue gas single-double effect compound type lithium bromide absorption type refrigeration machine structural representation of the present invention, and the cooling water flow path of dual effect type low temperature level refrigeration train is serial flow.
Fig. 5 is superposition type air cooling direct-fired single-double effect compound type lithium bromide absorption type refrigeration machine structural representation of the present invention.
Fig. 6 is superposition type air cooling steam single-double effect compound type lithium bromide absorption type refrigeration machine structural representation of the present invention.
Reference numeral in figure:
Solution heat exchanger 1, absorber 2, evaporimeter 3, solution pump 4, cryogenic fluid pump 5, cooling water inlet pipe 6, cold water inlet tube 7, cooling water outlet pipe 8, cooling water outlet pipe 9, condenser 10, flue gas type generator 11, waste heat flue gas inlet tube 12, waste heat smoke outlet tube 13, high temperature level absorber 14, high temperature level evaporimeter 15, high temperature level solution pump 16, high temperature level cryogenic fluid pump 17, high temperature level absorber water inlet pipe 18, High-temperature cooling water pump 19, air cooler outlet pipe 20, air cooler 21, high temperature level condenser water inlet pipe 22, high temperature level condenser outlet pipe 23, cooling water electric control valve 24, water bypass pipe 25, high temperature level condenser 26, smoke valve 27, air-introduced machine 28, high temperature level evaporimeter water inlet pipe 29, high temperature level evaporimeter outlet pipe 30, sub-cooled water pump 31, high-temperature heat exchanger 32, low temperature heat exchanger 33, low temperature level absorber 34, low temperature level evaporimeter 35, low temperature level solution pump 36, low temperature level cryogenic fluid pump 37, low temperature level cooling water inlet pipe 38, low temperature level cooling water outlet pipe 39, low temperature level condenser 40, low pressure generator 41, flue gas type high pressure generator 42, single-effect type high temperature level refrigeration train 43, dual effect type low temperature level refrigeration train 44, burner 45, direct combustion type generator 46, smoke exhaust pipe 47, Direct Fired High Pressure Generator 48, steam type generator 49, electric steam valve 50, steam inlet pipe 51, steam condensation water outlet 52, steam type high pressure generator 53.
Detailed description of the invention
The present invention is refrigeration machine as shown in Figure 2, and this refrigeration machine is by the pipeline of single-effect type high temperature level refrigeration train 43, air cooler 21, dual effect type low temperature level refrigeration train 44, control system (not shown) and connecting components, superposition type air cooling flue gas single-double effect compound type lithium bromide absorption type refrigeration machine that valve forms.Single-effect type high temperature level refrigeration train 43 comprises solution heat exchanger 1, high temperature level absorber 14, high temperature level evaporimeter 15, high temperature level solution pump 16, high temperature level cryogenic fluid pump 17, high temperature level condenser 26 and flue gas type generator 11.Dual effect type low temperature level refrigeration train 44 comprises flue gas type high pressure generator 42, low pressure generator 41, low temperature level condenser 40, high-temperature heat exchanger 32, low temperature heat exchanger 33, low temperature level absorber 34, low temperature level evaporimeter 35, low temperature level solution pump 36 and low temperature level cryogenic fluid pump 37.The cooling water flow path of single-effect type high temperature level refrigeration train 43 adopts serial flow, air cooler outlet pipe 20 is connected with high temperature level absorber water inlet pipe 18, on air cooler outlet pipe 20, be provided with High-temperature cooling water pump 19, high temperature level condenser outlet pipe 23 is connected on air cooler 21 as air cooler water inlet pipe; The high temperature level evaporimeter outlet pipe 30 of single-effect type high temperature level refrigeration train 43 is received on the low temperature level cooling water inlet pipe 38 of dual effect type low temperature level refrigeration train 44, the low temperature level cooling water outlet pipe 39 of dual effect type low temperature level refrigeration train 44 is received on the high temperature level evaporimeter water inlet pipe 29 of single-effect type high temperature level refrigeration train 43, and high temperature level evaporimeter outlet pipe 30 is provided with sub-cooled water pump 31; Between high temperature level condenser water inlet pipe 22 and high temperature level condenser outlet pipe 23, be provided with water bypass pipe 25, on water bypass pipe 25, be provided with cooling water electric control valve 24; On the waste heat flue gas inlet tube 12 of flue gas type generator 11 and flue gas type high pressure generator 42, be all provided with this smoke valve of smoke valve 27(and can adopt electric gas check or pneumatic smoke valve), on the waste heat smoke outlet tube 13 of flue gas type generator 11 and flue gas type high pressure generator 42, be all provided with air-introduced machine 28.
When refrigeration mechanism cold operation, the cold water of the temperature higher (general 28 ~ 34 DEG C) that single-effect type high temperature level refrigeration train 43 is produced goes out high temperature level evaporimeter 15 through high temperature level evaporimeter outlet pipe 30, carried by sub-cooled water pump 31, enter low temperature level absorber 34 and low temperature level condenser 40 through low temperature level cooling water inlet pipe 38, as the cooling water of dual effect type low temperature level refrigeration train 44, the requirement that makes the cooling water temperature of dual effect type low temperature level refrigeration train 44 meet it to produce low temperature (5 ~ 10 DEG C) cold water, thereby make cold water temperature that refrigeration machine externally provides through cooling water outlet pipe 8 can meet general comfort air conditioning system or technique cools with the temperature requirement of cold water.The high-temperature cooling water that goes out single-effect type high temperature level refrigeration train is air cooler water inlet pipe through high temperature level condenser outlet pipe 23() enter air cooler 21, in air cooler 21, be cooled after cooling, carried by High-temperature cooling water pump 19, enter high temperature level absorber 14 through high temperature level absorber water inlet pipe 18.High-temperature cooling water is closed cycle, does not contact with air, both there is no evaporating loss, also there is no drift ice loss.In the time that environmental temperature fluctuation causes more greatly the leaving water temperature fluctuation of air cooler 21 larger, control system by refrigeration machine regulates the aperture of controlling cooling water electric control valve 24, to regulate the cooling water flow of controlling into and out of high temperature level condenser 26, thereby keep the condensation temperature of high temperature level condenser 26 stable, ensure refrigeration machine stable operation.Smoke valve 27(electric gas check on the waste heat flue gas inlet tube 12 of flue gas type generator 11 and flue gas type high pressure generator 42 or pneumatic smoke valve) for the Load Regulation control of refrigeration machine with shut down safeguard protection; Air-introduced machine 28 on the waste heat smoke outlet tube 13 of flue gas type generator 11 and flue gas type high pressure generator 42, for increasing flow of flue gas power, meets heat exchange and the mobile requirement of flue gas in refrigeration machine.
Sub-cooled water pump 31 also can be arranged on high temperature level evaporimeter water inlet pipe 29 (shown in Fig. 3).
The cooling water flow path of dual effect type low temperature level refrigeration train 44 can adopt parallel-connection flow (shown in Fig. 2), also can adopt serial flow (shown in Fig. 4).
With direct combustion type generator 46, Direct Fired High Pressure Generator 48 flue gas type generator 11 and the flue gas type high pressure generator 42 in refrigeration machine shown in alternate figures 2 respectively, this refrigeration machine becomes the superposition type air cooling direct-fired single-double effect compound type lithium bromide absorption type refrigeration machine shown in Fig. 5.
With steam type generator 49, steam type high pressure generator 53 flue gas type generator 11 and the flue gas type high pressure generator 42 in refrigeration machine shown in alternate figures 2 respectively, this refrigeration machine becomes the superposition type air cooling steam single-double effect compound type lithium bromide absorption type refrigeration machine shown in Fig. 6.
Claims (10)
1. a superposition type air cooling single-double effect compound type lithium bromide absorption type refrigeration machine, comprise single-effect type high temperature level refrigeration train (43), single-effect type high temperature level refrigeration train (43) comprises generator, high temperature level evaporimeter (15), high temperature level absorber (14), high temperature level condenser (26), solution heat exchanger (1), high temperature level solution pump (16) and high temperature level cryogenic fluid pump (17), the cooling water flow path of high temperature level absorber (14) and high temperature level condenser (26) adopts serial flow, it is characterized in that described refrigeration machine has additional dual effect type low temperature level refrigeration train (44), air cooler (21) and High-temperature cooling water pump (19), dual effect type low temperature level refrigeration train (44) comprises high pressure generator, low pressure generator (41), low temperature level condenser (40), low temperature level evaporimeter (35), low temperature level absorber (34), high-temperature heat exchanger (32), low temperature heat exchanger (33), low temperature level solution pump (36) and low temperature level cryogenic fluid pump (37), air cooler (21) and High-temperature cooling water pump (19) series connection are arranged in the High-temperature cooling water lines between high temperature cold level condenser outlet pipe (23) and high temperature level absorber water inlet pipe (18), the high temperature level evaporimeter outlet pipe (30) of single-effect type high temperature level refrigeration train (43) is received on the low temperature level cooling water inlet pipe (38) of dual effect type low temperature level refrigeration train (44), and the low temperature level cooling water outlet pipe (39) of dual effect type low temperature level refrigeration train (44) is received on the high temperature level evaporimeter water inlet pipe (29) of single-effect type high temperature level refrigeration train (43).
2. a kind of superposition type air cooling single-double effect compound type lithium bromide absorption type refrigeration machine according to claim 1, is characterized in that being provided with on described high temperature level evaporimeter outlet pipe (30) sub-cooled water pump (31).
3. a kind of superposition type air cooling single-double effect compound type lithium bromide absorption type refrigeration machine according to claim 1, is characterized in that being provided with on described high temperature level evaporimeter water inlet pipe (29) sub-cooled water pump (31).
4. according to a kind of superposition type air cooling single-double effect compound type lithium bromide absorption type refrigeration machine described in claim 1 or 2 or 3, it is characterized in that being provided with high-temperature cooling water bypass pipe (25) between the high temperature level condenser water inlet pipe (22) of described high temperature level condenser (26) and high temperature level condenser outlet pipe (23), on high-temperature cooling water bypass pipe (25), be provided with cooling water electric control valve (24).
5. according to a kind of superposition type air cooling single-double effect compound type lithium bromide absorption type refrigeration machine described in claim 1 or 2 or 3, it is characterized in that: described generator is flue gas type generator (11), high pressure generator is flue gas type high pressure generator (42).
6. a kind of superposition type air cooling single-double effect compound type lithium bromide absorption type refrigeration machine according to claim 5, is characterized in that: on the waste heat flue gas inlet tube (12) of flue gas type generator (11) and flue gas type high pressure generator (42), be all provided with smoke valve (27).
7. a kind of superposition type air cooling single-double effect compound type lithium bromide absorption type refrigeration machine according to claim 5, is characterized in that: on the waste heat smoke outlet tube (13) of flue gas type generator (11) and flue gas type high pressure generator (42), be all provided with air-introduced machine (28).
8. according to a kind of superposition type air cooling single-double effect compound type lithium bromide absorption type refrigeration machine described in claim 1 or 2 or 3, it is characterized in that: described generator is direct combustion type generator (46), high pressure generator is Direct Fired High Pressure Generator (48).
9. according to a kind of superposition type air cooling single-double effect compound type lithium bromide absorption type refrigeration machine described in claim 1 or 2 or 3, it is characterized in that: described generator is steam type generator (49), high pressure generator is steam type high pressure generator (53).
10. according to a kind of superposition type air cooling single-double effect compound type lithium bromide absorption type refrigeration machine described in claim 1 or 2 or 3, it is characterized in that: the cooling water flow path of described dual effect type low temperature level refrigeration train (44) is parallel-connection flow or is serial flow.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420348684.XU CN203940654U (en) | 2014-06-27 | 2014-06-27 | Superposition type air cooling single-double effect compound type lithium bromide absorption type refrigeration machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420348684.XU CN203940654U (en) | 2014-06-27 | 2014-06-27 | Superposition type air cooling single-double effect compound type lithium bromide absorption type refrigeration machine |
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| Publication Number | Publication Date |
|---|---|
| CN203940654U true CN203940654U (en) | 2014-11-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420348684.XU Withdrawn - After Issue CN203940654U (en) | 2014-06-27 | 2014-06-27 | Superposition type air cooling single-double effect compound type lithium bromide absorption type refrigeration machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203940654U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104048438A (en) * | 2014-06-27 | 2014-09-17 | 双良节能系统股份有限公司 | Cascading air-cooling composite single-effect and double-effect type lithium bromide absorption refrigerating machine |
-
2014
- 2014-06-27 CN CN201420348684.XU patent/CN203940654U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104048438A (en) * | 2014-06-27 | 2014-09-17 | 双良节能系统股份有限公司 | Cascading air-cooling composite single-effect and double-effect type lithium bromide absorption refrigerating machine |
| CN104048438B (en) * | 2014-06-27 | 2016-03-23 | 双良节能系统股份有限公司 | Superposition type air cooling single-double effect compound type lithium bromide absorption type refrigeration machine |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20141112 Effective date of abandoning: 20160323 |
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| C25 | Abandonment of patent right or utility model to avoid double patenting |