CN212227430U - Direct cooling machine - Google Patents
Direct cooling machine Download PDFInfo
- Publication number
- CN212227430U CN212227430U CN202021128418.8U CN202021128418U CN212227430U CN 212227430 U CN212227430 U CN 212227430U CN 202021128418 U CN202021128418 U CN 202021128418U CN 212227430 U CN212227430 U CN 212227430U
- Authority
- CN
- China
- Prior art keywords
- lithium bromide
- bromide solution
- heat exchange
- water
- steam
- 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- Withdrawn - After Issue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
- 238000001816 cooling Methods 0.000 title claims abstract description 18
- AMXOYNBUYSYVKV-UHFFFAOYSA-M lithium bromide Chemical compound [Li+].[Br-] AMXOYNBUYSYVKV-UHFFFAOYSA-M 0.000 claims abstract description 222
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 113
- 239000003507 refrigerant Substances 0.000 claims abstract description 57
- 239000002351 wastewater Substances 0.000 claims abstract description 53
- 239000010865 sewage Substances 0.000 claims abstract description 38
- 239000006096 absorbing agent Substances 0.000 claims abstract description 35
- 238000001704 evaporation Methods 0.000 claims abstract description 16
- 230000008020 evaporation Effects 0.000 claims abstract description 16
- 238000007701 flash-distillation Methods 0.000 claims abstract description 10
- 238000005057 refrigeration Methods 0.000 abstract description 18
- 238000010521 absorption reaction Methods 0.000 abstract description 8
- 239000002918 waste heat Substances 0.000 abstract description 6
- 239000010842 industrial wastewater Substances 0.000 abstract 1
- 239000012528 membrane Substances 0.000 abstract 1
- 238000011010 flushing procedure Methods 0.000 description 4
- 239000002893 slag Substances 0.000 description 4
- 238000009776 industrial production Methods 0.000 description 3
- 239000000498 cooling water Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 238000007791 dehumidification Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 238000009834 vaporization Methods 0.000 description 1
- 230000008016 vaporization 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
A direct cooling machine belongs to the technical field of waste heat utilization. The utility model provides a current absorption refrigeration unit can't utilize the industrial wastewater of high temperature as the drive heat source, lead to the unable problem that effectively utilizes of heat in the sewage. Carry the dilute lithium bromide solution in with the absorber to the lithium bromide solution intracavity through dilute lithium bromide solution pipe, through concentrated lithium bromide solution pipe intercommunication between the lower part in lithium bromide solution chamber and the upper portion of absorber, carry the concentrated lithium bromide solution that forms in with lithium bromide solution chamber through concentrated lithium bromide solution pipe to the absorber in, dirty waste water gets into the flash chamber through dirty waste water inlet tube intercommunication and carries out the flash distillation, the steam after the flash distillation moves up and carries out the heat transfer with the dilute lithium bromide solution in the lithium bromide solution intracavity, the refrigerant water of dilute lithium bromide solution falls the membrane evaporation, steam after the evaporation gets into the condenser through first steam passage, dirty waste water after the flash distillation passes through dirty waste water drain pipe discharge evaporimeter.
Description
Technical Field
The utility model relates to a direct cooling machine belongs to waste heat utilization technical field.
Background
In various industrial productions, refrigeration is needed to cool certain process sections, and cold is needed to supply cold to buildings in summer or in hot weather, most of refrigeration equipment used in industrial production with large cold quantity demand and centralized cold supply of buildings is a lithium bromide absorption refrigeration unit, and due to structural limitation of a generator of the traditional absorption refrigeration unit, the driving heat sources of the existing absorption refrigeration unit are both positive pressure steam or high-temperature clean hot water, but high-temperature industrial sewage and wastewater cannot be used as the driving heat source; however, in industrial production, a large amount of non-clean high-temperature sewage and wastewater exists, and the heat in the wastewater is wasted due to the fact that the heat cannot be effectively utilized.
Disclosure of Invention
The utility model relates to a solve the unable industry waste water that utilizes the high temperature of current absorption refrigeration unit and regard as the drive heat source, lead to the unable problem that effectively utilizes of heat in the waste water, and then provide a direct cooling machine.
The utility model discloses a solve the technical scheme that above-mentioned technical problem adopted and be:
the direct cooling machine comprises a condenser, a generator, an evaporator and an absorber, wherein a first steam channel is arranged between the condenser and the generator,
the generator comprises a lithium bromide solution cavity positioned on the upper part and a flash chamber positioned below the lithium bromide solution cavity, the upper part of the generator is communicated with a vacuum pump, the interior of the generator is vacuumized by the vacuum pump, the upper part of the lithium bromide solution cavity is communicated with the lower part of an absorber through a dilute lithium bromide solution pipe, dilute lithium bromide solution in the absorber is conveyed into the lithium bromide solution cavity through a dilute lithium bromide solution pipe, the lower part of the lithium bromide solution cavity is communicated with the upper part of the absorber through a concentrated lithium bromide solution pipe, concentrated lithium bromide solution formed in the lithium bromide solution cavity is conveyed into the absorber through the concentrated lithium bromide solution pipe, sewage and wastewater enters the flash chamber through a sewage and wastewater inlet pipe for flash evaporation, steam after flash evaporation moves upwards and exchanges heat with the dilute lithium bromide solution in the lithium bromide solution cavity, refrigerant water in the dilute lithium bromide solution is heated and evaporated, the evaporated steam enters the condenser through the first steam channel, and the sewage and the wastewater after flash evaporation are discharged out of the generator through the sewage and wastewater return pipe.
Furthermore, a plurality of first heat exchange tubes are arranged in the lithium bromide solution cavity, two ends of the first heat exchange tubes are respectively communicated with the outer space of the lithium bromide solution cavity, steam obtained after flash evaporation moves upwards and enters the first heat exchange tubes through one ends of the first heat exchange tubes, the steam in the first heat exchange tubes is condensed into water and then is discharged through the other ends of the first heat exchange tubes, and the steam in the first heat exchange tubes exchanges heat with the dilute lithium bromide solution outside the first heat exchange tubes.
Furthermore, the evaporator comprises a refrigerant water sprayer positioned at the upper part, a second heat exchange tube positioned at the middle part and a first refrigerant water tank positioned at the lower part, wherein an inlet and an outlet of the second heat exchange tube are respectively communicated with a refrigerating water return pipe and a refrigerating water supply pipe; the absorber comprises a concentrated lithium bromide solution sprayer positioned at the upper part, a third heat exchange tube positioned at the middle part and a dilute lithium bromide solution pool positioned at the lower part of the absorber, wherein the inlet and the outlet of the third heat exchange tube are respectively communicated with a first water inlet tube and a first water outlet tube; the condenser comprises a fourth heat exchange tube positioned at the upper part and a second refrigerant water tank positioned at the lower part, wherein an inlet and an outlet of the fourth heat exchange tube are respectively communicated with a second water inlet tube and a second water outlet tube; the first refrigerant water tank is communicated with the refrigerant water sprayer through the first refrigerant water pipe, the second refrigerant water tank conveys the refrigerant water into the first refrigerant water tank through the second refrigerant water pipe, a second steam channel is formed between the evaporator and the absorber, and steam generated after the refrigerant water in the evaporator absorbs heat and evaporates enters the absorber through the second steam channel.
Further, a demister is arranged between the lithium bromide solution cavity and the flash chamber.
Furthermore, a condensation water tank is arranged on the outer side of the lithium bromide solution cavity and communicated with the other ends of the first heat exchange tubes.
Furthermore, a condensate pump is communicated with the outside of the condensate water tank.
Further, the sewage and wastewater water-removing pipe is horizontally arranged at the lower part of the flash chamber.
Further, the sewage and wastewater inlet pipe is horizontally arranged and communicated with the upper side wall of the flash chamber.
Further, dirty waste water inlet tube is vertical to be arranged and its bottom is located the flash chamber.
Furthermore, the quantity of lithium bromide solution chamber is two, and the relative disposition is in the both sides of dirty waste water inlet tube, and flash distillation steam gets into the lithium bromide solution intracavity through two lithium bromide solution chamber relative one sides and carries out the heat transfer.
Compared with the prior art, the utility model has the following effect:
this application compares with current absorption refrigeration unit, no longer is limited to recycle steam or high temperature clean water as the drive heat source, has realized having corrosivity, easy deposit, the dirty waste water waste heat recovery refrigeration of high temperature industry of easy scale deposit, avoids taking place corruption, scale deposit, jam scheduling problem, produces huge economy and environmental protection benefit.
This application in waste heat recovery, still can retrieve with the clean flash distillation comdenstion water of waste heat quantity assorted, make the dirty waste water of high pollution turn into clear flash distillation comdenstion water, realized the concentrated decrement of the dirty waste water of industry simultaneously.
Drawings
FIG. 1 is a schematic structural diagram of a direct cooling machine according to a first embodiment;
FIG. 2 is a schematic side cross-sectional view of a generator according to one embodiment;
FIG. 3 is a schematic top view of a generator according to one embodiment;
fig. 4 is a schematic structural diagram of a direct cooling machine in a second embodiment;
FIG. 5 is a schematic side cross-sectional view of a generator according to a second embodiment;
FIG. 6 is a schematic top view of a generator according to a second embodiment.
Detailed Description
The first embodiment is as follows: the present embodiment is described with reference to fig. 1 to 6, and the direct cooling machine includes a condenser 1, a generator 2, an evaporator 3 and an absorber 4, a first steam channel 5 is disposed between the condenser 1 and the generator 2,
the generator 2 comprises a lithium bromide solution cavity 2-1 positioned at the upper part and a flash chamber 2-2 positioned below the lithium bromide solution cavity 2-1, the upper part of the generator 2 is communicated with a vacuum pump 6, the interior of the generator 2 is vacuumized by the vacuum pump 6, the upper part of the lithium bromide solution cavity 2-1 is communicated with the lower part of the absorber 4 by a dilute lithium bromide solution pipe 7, the dilute lithium bromide solution in the absorber 4 is conveyed into the lithium bromide solution cavity 2-1 by the dilute lithium bromide solution pipe 7, the lower part of the lithium bromide solution cavity 2-1 is communicated with the upper part of the absorber 4 by a concentrated lithium bromide solution pipe 8, the concentrated lithium bromide solution formed in the lithium bromide solution cavity 2-1 is conveyed into the absorber 4 by the concentrated lithium bromide solution pipe 8, the sewage and wastewater are communicated into the flash chamber 2-2 for flash evaporation by a sewage and wastewater inlet pipe 9, the steam after the flash evaporation moves upwards and exchanges heat with the dilute lithium bromide solution in the lithium bromide solution cavity 2-1, refrigerant water in the dilute lithium bromide solution is heated and evaporated, the evaporated steam enters the condenser 1 through the first steam channel 5, and the sewage and wastewater after the flash evaporation is discharged out of the generator 2 through the sewage and wastewater return pipe 10.
The sewage and wastewater return pipe 10 is communicated with a sewage and wastewater discharge pump 11, so that sewage and wastewater in the flash chamber 2-2 can be conveniently discharged.
The generator 2 is maintained in a negative pressure state by pumping air through the vacuum pump 6.
The sewage and wastewater inlet pipe 9 is a straight pipe or a conical pipe.
The connection relations among the internal structures of the absorber 4, the evaporator 3 and the condenser 1 and among the structures can adopt the structures and the connection relations in the prior art, and the working principle is the same as that in the prior art.
The working principle of the generator 2 part is as follows:
the sewage and wastewater enter the flash chamber 2-2 through the sewage and wastewater inlet pipe 9, the sewage and wastewater enter the flash chamber 2-2 due to the action of the vacuum pump 6, part of the sewage and wastewater instantly generates vaporization and flash evaporation, the heat in the sewage and wastewater is taken away by the steam which is flashed off, the sewage and wastewater which is not flashed off is discharged through the sewage and wastewater return pipe 10 and the sewage and wastewater discharge pump 11, the heat carried by the flash steam moves upwards and passes through the demister 2-4, the droplets carried in the steam are intercepted by the demister 2-4, then the flash steam enters the first heat exchange pipe 2-3 from one end of the first heat exchange pipe 2-3 to exchange heat with the dilute lithium bromide solution in the lithium bromide solution cavity, the flash steam releases heat and simultaneously condenses, the condensed water converges into the condensate water tank 2-5 and is discharged through the water pump 22, the heated refrigerant water in the dilute lithium bromide solution is heated and evaporated, the function of the absorption chiller generator 2 is completed.
A plurality of first heat exchange tubes 2-3 are arranged in the lithium bromide solution cavity 2-1, two ends of the first heat exchange tubes 2-3 are respectively communicated with the outer space of the lithium bromide solution cavity 2-1, steam obtained after flash evaporation moves upwards and enters the first heat exchange tubes 2-3 through one ends of the first heat exchange tubes 2-3, the steam in the first heat exchange tubes 2-3 is condensed into water and then is discharged through the other ends of the first heat exchange tubes 2-3, and the steam in the first heat exchange tubes 2-3 exchanges heat with dilute lithium bromide solution outside the first heat exchange tubes 2-3. The sewage and wastewater flash steam enters a tube pass, and the dilute lithium bromide solution enters a shell pass, so that the sewage and wastewater is heated and evaporated outside the tube.
The evaporator 3 comprises a refrigerant water sprayer 3-1 positioned at the upper part, a second heat exchange tube 3-2 positioned at the middle part and a first refrigerant water tank 3-3 positioned at the lower part, wherein the inlet and the outlet of the second heat exchange tube 3-2 are respectively communicated with a refrigerant water return pipe 12 and a refrigerant water supply pipe 13; the absorber 4 comprises a concentrated lithium bromide solution sprayer 4-1 positioned at the upper part, a third heat exchange tube 4-2 positioned at the middle part and a dilute lithium bromide solution pool 4-3 positioned at the lower part of the absorber 4, wherein the inlet and the outlet of the third heat exchange tube 4-2 are respectively communicated with a first water inlet tube 14 and a first water outlet tube 15; the condenser 1 comprises a fourth heat exchange tube 1-1 positioned at the upper part and a second refrigerant water pool 1-2 positioned at the lower part, wherein an inlet and an outlet of the fourth heat exchange tube 1-1 are respectively communicated with a second water inlet tube 16 and a second water outlet tube 17; the first refrigerant water tank 3-3 is communicated with the refrigerant water sprayer 3-1 through a first refrigerant water pipe 18, the second refrigerant water tank 1-2 conveys refrigerant water into the first refrigerant water tank 3-3 through a second refrigerant water pipe 19, a second steam channel 20 is formed between the evaporator 3 and the absorber 4, and steam generated after the refrigerant water in the evaporator 3 absorbs heat and evaporates enters the absorber 4 through the second steam channel 20. The first refrigerant water pipe 18 is provided with a refrigerant water spray pump 21 for sending the refrigerant water in the first refrigerant water tank 3-3 to the refrigerant water sprayer 3-1 above the first refrigerant water tank.
A demister 2-4 is arranged between the lithium bromide solution cavity 2-1 and the flash chamber 2-2. To remove entrained droplets in the vapor.
And a condensate water tank 2-5 is arranged on the outer side of the lithium bromide solution cavity 2-1, and the condensate water tank 2-5 is communicated with the other ends of the first heat exchange tubes 2-3. The vacuum pump 6 is communicated with the upper parts of the condensate water tanks 2-5. The condensed water formed in the first heat exchanging pipe 2-3 is collected through the condensed water tank 2-5. The condensate tank 2-5 may be arranged inside the generator 2 or may be located outside the generator 2 as long as collection of condensate is possible.
A condensate pump 22 is communicated with the outside of the condensate water tank 2-5. The condensed water in the condensed water tank 2-5 is discharged by the condensed water pump 22.
The sewage and wastewater return pipe 10 is horizontally arranged at the lower part of the flash chamber 2-2.
The sewage and wastewater inlet pipe 9 is horizontally arranged and communicated with the upper side wall of the flash chamber 2-2.
The second embodiment is as follows: referring to fig. 3 and 4, the sewage/wastewater inlet pipe 9 is vertically arranged and the bottom end thereof is located in the flash chamber 2-2. In this state, the sewage and wastewater inlet pipe 9 can pass through the lithium bromide solution cavity 2-1 and enter the flash chamber 2-2, and can also be positioned at one side of the lithium bromide solution cavity 2-1 as long as the steam entering the first heat exchange pipe 2-3 in the lithium bromide solution cavity 2-1 is not influenced.
The number of the lithium bromide solution cavities 2-1 is two, the two lithium bromide solution cavities are oppositely arranged on two sides of the sewage and wastewater inlet pipe 9, and flash steam enters the lithium bromide solution cavities 2-1 through the opposite sides of the two lithium bromide solution cavities 2-1 to exchange heat.
Other components and connection relations are the same as those of the first embodiment.
The third concrete implementation mode: the present embodiment is described with reference to fig. 1-4, the sewage and wastewater can be blast furnace slag flushing water, which is used as a heat source for refrigeration, and the prepared cold water can be used for blast furnace blast cooling nearby, so that water vapor in blast furnace air is condensed, and the purpose of blast furnace blast dehumidification is achieved. Because of having a large amount of salts dissolved in the blast furnace slag flushing water, when the slag flushing water is exothermal outward, very easily crystallization is appeared and is attached to the heat transfer wall surface, causes the corrosion of heat transfer split face, blocks up the scheduling problem, but because of the unable utilization slag flushing water waste heat refrigeration of lithium bromide refrigerating unit among the prior art, causes this part heat to be useless extravagant, utilizes the problem that current lithium bromide refrigerating unit exists of direct cooling machine ability effective solution of this application.
The complete working principle of the direct cooling machine comprises the following steps:
refrigeration circulating water enters a second heat exchange tube 3-2 in an evaporator 3 through a refrigeration water return tube 12, refrigerant water is conveyed by a refrigerant water spray pump 21 and sprayed to the outside of the second heat exchange tube 3-2 through a first refrigerant water tube 18, the refrigerant water absorbs the heat of the refrigeration circulating water at the outside of the second heat exchange tube 3-2 to be evaporated, the evaporation absorbs heat to reduce the temperature of the refrigeration circulating water, the cooled refrigeration circulating water is conveyed to a unit needing cooling through a refrigeration water supply tube 13, steam generated by the heat absorption and evaporation of the refrigerant water enters an absorber 4 through a second steam channel 20, the steam is absorbed by a concentrated lithium bromide solution conveyed by a concentrated lithium bromide pump and a concentrated lithium bromide solution tube 8 in the absorber 4, the concentrated lithium bromide solution becomes a dilute lithium bromide solution and is collected to the bottom of the absorber 4, meanwhile, the cooling water enters a third heat exchange tube 4-2 through a first water inlet tube 14 to absorb the heat released by the lithium bromide solution, the dilute lithium bromide solution at the bottom of the absorber 4 is conveyed to a lithium bromide solution cavity 2-1 in the generator 2 by a dilute lithium bromide solution pump and a dilute lithium bromide solution pipe 7, refrigerant water in the dilute lithium bromide solution is heated and evaporated, the dilute lithium bromide solution becomes a concentrated lithium bromide solution again, refrigerant water vapor evaporated in the generator 2 enters the condenser 1 through a first vapor channel 5, cooling water enters a fourth heat exchange pipe 1-1 in the condenser 1 through a second water inlet pipe 16 to exchange heat with the refrigerant water vapor outside the pipe and is discharged through a second water return pipe 17, and the refrigerant water vapor is cooled on the surface of the fourth heat exchange pipe 1-1 and condensed into refrigerant water to be collected to a second refrigerant water pool 1-2 at the lower part of the condenser 1 and then conveyed to the evaporator 3 through a second refrigerant water pipe 19, so that the whole refrigeration cycle is completed.
Claims (10)
1. The utility model provides a direct cooling machine, it includes condenser (1), generator (2), evaporimeter (3) and absorber (4), its characterized in that: a first steam channel (5) is arranged between the condenser (1) and the generator (2),
the generator (2) comprises a lithium bromide solution cavity (2-1) positioned at the upper part and a flash chamber (2-2) positioned below the lithium bromide solution cavity (2-1), the upper part of the generator (2) is communicated with a vacuum pump (6), the interior of the generator (2) is vacuumized by the vacuum pump (6), the upper part of the lithium bromide solution cavity (2-1) is communicated with the lower part of the absorber (4) through a dilute lithium bromide solution pipe (7), the lithium bromide solution in the absorber (4) is conveyed into the lithium bromide solution cavity (2-1) through the dilute lithium bromide solution pipe (7), the lower part of the lithium bromide solution cavity (2-1) is communicated with the upper part of the absorber (4) through a concentrated lithium bromide solution pipe (8), and the concentrated lithium bromide solution formed in the lithium bromide solution cavity (2-1) is conveyed into the absorber (4) through the concentrated lithium bromide solution pipe (8), dirty waste water carries out the flash distillation in getting into flash distillation chamber (2-2) through dirty waste water inlet tube (9) intercommunication, and the steam after the flash distillation upwards moves and carries out the heat transfer with the thin lithium bromide solution in lithium bromide solution chamber (2-1), and cryogen water in the thin lithium bromide solution is heated and is evaporated, and steam after the evaporation gets into condenser (1) through first steam passageway (5), and dirty waste water after the flash distillation passes through dirty waste water outlet pipe (10) discharge generator (2).
2. The direct cooling machine according to claim 1, wherein: a plurality of first heat exchange tubes (2-3) are arranged in the lithium bromide solution cavity (2-1), two ends of the first heat exchange tubes (2-3) are respectively communicated with the outer space of the lithium bromide solution cavity (2-1), steam obtained after flash evaporation moves upwards and enters the first heat exchange tubes (2-3) through one ends of the first heat exchange tubes (2-3), the steam in the first heat exchange tubes (2-3) is condensed into water and then is discharged through the other ends of the first heat exchange tubes (2-3), and the steam in the first heat exchange tubes (2-3) exchanges heat with dilute lithium bromide solution outside the first heat exchange tubes (2-3).
3. The direct cooling machine according to claim 1 or 2, characterized in that: the evaporator (3) comprises a refrigerant water sprayer (3-1) positioned at the upper part, a second heat exchange tube (3-2) positioned at the middle part and a first refrigerant water tank (3-3) positioned at the lower part, wherein the inlet and the outlet of the second heat exchange tube (3-2) are respectively communicated with a refrigerating water return tube (12) and a refrigerating water supply tube (13); the absorber (4) comprises a concentrated lithium bromide solution sprayer (4-1) positioned at the upper part, a third heat exchange tube (4-2) positioned at the middle part and a dilute lithium bromide solution pool (4-3) positioned at the lower part of the absorber (4), wherein the inlet and the outlet of the third heat exchange tube (4-2) are respectively communicated with a first water inlet tube (14) and a first water outlet tube (15); the condenser (1) comprises a fourth heat exchange tube (1-1) positioned at the upper part and a second refrigerant water tank (1-2) positioned at the lower part, wherein the inlet and the outlet of the fourth heat exchange tube (1-1) are respectively communicated with a second water inlet tube (16) and a second water outlet tube (17); the first refrigerant water tank (3-3) is communicated with the refrigerant water sprayer (3-1) through a first refrigerant water pipe (18), the second refrigerant water tank (1-2) conveys refrigerant water into the first refrigerant water tank (3-3) through a second refrigerant water pipe (19), a second steam channel (20) is formed between the evaporator (3) and the absorber (4), and steam generated after the refrigerant water in the evaporator (3) absorbs heat and evaporates enters the absorber (4) through the second steam channel (20).
4. The direct cooler according to claim 3, characterized in that: a demister (2-4) is arranged between the lithium bromide solution cavity (2-1) and the flash chamber (2-2).
5. The direct cooling machine according to claim 2 or 4, characterized in that: a condensate water tank (2-5) is arranged on the outer side of the lithium bromide solution cavity (2-1), and the condensate water tank (2-5) is communicated with the other ends of the first heat exchange tubes (2-3).
6. The direct cooler according to claim 5, characterized in that: a condensate pump (22) is communicated with the outside of the condensate water tank (2-5).
7. The direct cooler according to claim 1, 2, 4 or 6, characterized in that: the sewage and wastewater return pipe (10) is horizontally arranged at the lower part of the flash chamber (2-2).
8. The direct cooler according to claim 7, characterized in that: the sewage and wastewater inlet pipe (9) is horizontally arranged and communicated with the upper side wall of the flash chamber (2-2).
9. The direct cooler according to claim 7, characterized in that: the sewage and wastewater inlet pipe (9) is vertically arranged, and the bottom end of the sewage and wastewater inlet pipe is positioned in the flash evaporation chamber (2-2).
10. The direct cooling machine according to claim 9, wherein: the number of the lithium bromide solution cavities (2-1) is two, the two lithium bromide solution cavities are oppositely arranged on two sides of the sewage and wastewater inlet pipe (9), and flash steam enters the lithium bromide solution cavities (2-1) through one opposite sides of the two lithium bromide solution cavities (2-1) for heat exchange.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021128418.8U CN212227430U (en) | 2020-06-17 | 2020-06-17 | Direct cooling machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021128418.8U CN212227430U (en) | 2020-06-17 | 2020-06-17 | Direct cooling machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212227430U true CN212227430U (en) | 2020-12-25 |
Family
ID=73931447
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021128418.8U Withdrawn - After Issue CN212227430U (en) | 2020-06-17 | 2020-06-17 | Direct cooling machine |
Country Status (1)
| Country | Link |
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| CN (1) | CN212227430U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111623550A (en) * | 2020-06-17 | 2020-09-04 | 哈尔滨工大金涛科技股份有限公司 | Direct cooling machine |
-
2020
- 2020-06-17 CN CN202021128418.8U patent/CN212227430U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111623550A (en) * | 2020-06-17 | 2020-09-04 | 哈尔滨工大金涛科技股份有限公司 | Direct cooling machine |
| CN111623550B (en) * | 2020-06-17 | 2024-05-14 | 哈尔滨工大金涛科技股份有限公司 | Direct cooling machine |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
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| AV01 | Patent right actively abandoned |
Granted publication date: 20201225 Effective date of abandoning: 20240514 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20201225 Effective date of abandoning: 20240514 |