CN205119554U - Warm water type lithium bromide absorbed refrigeration unit - Google Patents
Warm water type lithium bromide absorbed refrigeration unit Download PDFInfo
- Publication number
- CN205119554U CN205119554U CN201520810279.XU CN201520810279U CN205119554U CN 205119554 U CN205119554 U CN 205119554U CN 201520810279 U CN201520810279 U CN 201520810279U CN 205119554 U CN205119554 U CN 205119554U
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- regenerator
- heat source
- lithium bromide
- warm water
- lithium
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- 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
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- 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
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- Sorption Type Refrigeration Machines (AREA)
Abstract
The utility model belongs to the technical field of refrigeration plant, in particular to lithium bromide absorbed refrigeration unit. A warm water type lithium bromide absorbed refrigeration unit, horizontal coiled heat source water pipe way pipeline entry end is located the side top of regenerator, its exit end is located the casing below with heat source water pipe way entry end homonymy, casing bottom one side of regenerator is provided with lithium bromide solution entry, its top homonymy position department is provided with the export of lithium bromide solution, the left and right sides is provided with vertical baffle in the casing of regenerator, be provided with transverse baffle between the coil pipe clearance of heat source water pipe way, two adjacent transverse baffle's stiff end is fixed on a left side in turn, on the vertical baffle on right side, leave the clearance between transverse baffle's free end and the vertical baffle, form snakelike lithium bromide solution heat exchange line. The utility model discloses be favorable to improving the heat exchange efficiency between heat source warm water and the solution, also reduced the leaving water temperature of heat source warm water simultaneously, can guarantee the maximize of waste heat utilization rate.
Description
technical field:
The utility model belongs to technical field of refrigeration equipment, particularly a kind of lithium bromide absorption refrigerating set.
background technology:
In normally used warm water type lithium bromide absorption refrigerating set, the lithium-bromide solution in regenerator is gone out refrigerant steam by thermal source warm water heating evaporation.Carry out reverse heat-exchange with thermal source warm water after lithium-bromide solution enters regenerator, regenerator is used for enabling solution and heat-transfer pipe fully contact heat-exchanging built with deflection plate.The internal regenerator of current use relies on deflection plate to change the flow direction of solution, and as shown in Figure 1, regenerator configuration solution side (shell side) is a flow process, and thermal source warm water side (tube side) is N number of flow process.This heat exchange mode has following shortcoming: if the arrangement of deflection plate is overstocked, the multiple deflection plate of fluid challenge will cause reduced velocity flow, crushing increases, heat exchange efficiency reduces, if deflection plate arrangement is too sparse, then after fluid challenge deflection plate flowing instability after plate near define a wide range of void area, heat exchange efficiency is still very low.And in current industrial production and Waste Heat Reuse field, the efficiency requirements utilized Waste Heat Recovery is higher, the hot water discharged in some chemical plant production process, if adopt traditional warm water unit, can not meet its requirement to utilization rate of waste heat.
Summary of the invention
For overcoming the above problems, the utility model provides a kind of warm water type lithium bromide absorption refrigerating set, the regenerator of this unit adopts whole process counterflow configuration, can further improve the heat exchange efficiency between thermal source warm water and solution, and heat exchange efficiency improves can make regenerator miniaturized.In addition, when the utility model runs, cooling water enters unit from condenser, discharge from absorber, temperature in condenser is reduced, be convenient to absorbing liquid and the heat exchange better of thermal source warm water, also reduce the leaving water temperature of thermal source warm water simultaneously, adopt warm water unit of the present utility model then can ensure the maximization of Waste Heat Reuse rate.
The technical scheme that the utility model is adopted for achieving the above object is: a kind of warm water type lithium bromide absorption refrigerating set, absorber, heat exchanger and regenerator connect to form lithium-bromide solution circulation line by pipeline, condenser and evaporimeter connect to form cold-producing medium water circulation pipe by pipeline, horizontal coiled heat source water pipeline is provided with in regenerator, heat source water line entry end is positioned at above the side of regenerator, heat source water tube outlet end be positioned at the housing of heat source water line entry end homonymy below, the housing bottom side of regenerator is provided with lithium-bromide solution entrance, regenerator case top same lateral position place is provided with lithium-bromide solution outlet, the enclosure interior left and right sides of regenerator is provided with vertical baffle plate, transverse baffle is provided with between the coil pipe gap of heat source water pipeline, the stiff end of adjacent two transverse baffles is alternately fixed on a left side, on the vertical baffle plate on right side, gap is left between the free end of transverse baffle and vertical baffle plate, form snakelike lithium-bromide solution heat exchanging pipe.
Be provided with gripper shoe group between the coil pipe gap of described heat source water pipeline, gripper shoe group is made up of multiple gripper shoe spaced apart, and the gripper shoe of two adjacent groups gripper shoe group is interspersed.
Described condenser connects cooling water pipeline arrival end, and cooling water pipeline connects absorber via condenser, and the cooling water pipeline port of export is positioned on absorber.
Internal regenerator in the utility model adopts new structure, compared with prior art, this structure can bromizate lithium solution and change multipaths baffling into by original single process baffling in regenerator, the flow process number of solution equals the flow process number of thermal source warm water, make the reverse heat-exchange that can realize solution and thermal source warm water in each flow process, be conducive to the abundant heat exchange of thermal source warm water and solution.In addition, in prior art, cooling water is entered by absorber and is discharged by condenser, but the regenerator heat exchange efficiency adopted due to the utility model is higher, the refrigerant steam regeneration amount of its inside increases, thus cause the load of condenser to increase, in order to reduce condenser duty, the utility model changes the circulation line of cooling water, cooling water is entered by condenser, discharged by absorber, adopt this structure cooling water first cooler condenser, condensation temperature is reduced, in regenerator, pressure reduces, lithium-bromide solution amount of regeneration increases, solution concentration raises, also reduce the leaving water temperature of thermal source warm water simultaneously, utilization rate of waste heat there has also been larger lifting.
Accompanying drawing explanation
Fig. 1 is traditional warm water type regenerator configuration figure;
Fig. 2 is regenerator configuration figure of the present utility model;
Fig. 3 is the structural representation of warm water type lithium bromide absorption refrigerating set;
In figure: 1 cooling water pipeline arrival end, 2 cold water pipe way outlet ends, 3 heat source water pipelines, 3-1 heat source water line entry end, 3-2 heat source water tube outlet end, 4 lithium-bromide solution pipelines, 4-1 lithium-bromide solution entrance, 4-2 lithium-bromide solution exports, the 5 cooling water pipeline ports of export, 1-1 evaporimeter, 1-2 absorber, 1-3 heat exchanger, 1-4 regenerator, 1-5 condenser, 6 gripper shoes, 7 transverse baffles, the vertical baffle plate of 8-.
detailed description of the invention:
Describe the utility model in detail below in conjunction with embodiment and accompanying drawing, but the utility model is not limited to specific embodiment.
A kind of warm water type lithium bromide absorption refrigerating set as shown in Figure 2 and Figure 3, absorber 1-2, heat exchanger 1-3 and regenerator 1-4 connect to form lithium-bromide solution circulation line by pipeline, namely heat exchanger 1-3 is introduced into from absorber 1-2 bromize lithium dilute solution out by pump and pipeline, then become bromize lithium concentrated solution after entering regenerator 1-4, return absorber; Condenser 1-5 and evaporimeter 1-1 connects to form cold-producing medium water circulation pipe by pipeline, enters evaporimeter 1-1 from condenser 1-5 water as refrigerant out through throttling arrangement.
Horizontal coiled heat source water pipeline 3 is provided with in regenerator 1-4, heat source water line entry end 3-1 is positioned at above the left side of regenerator 1-4, heat source water tube outlet end 3-2 is positioned at below the left side of regenerator 1-4, lithium-bromide solution entrance 4-1 is provided with on the left of the housing bottom of regenerator 1-4, regenerator 1-4 case top same lateral position place is provided with lithium-bromide solution outlet 4-2, the enclosure interior left and right sides of regenerator 1-4 is provided with vertical baffle plate 8, the enclosure interior of regenerator is provided with multiple transverse baffle 7, transverse baffle 7 is distributed between the coil pipe gap of heat source water pipeline 3, the stiff end of adjacent two transverse baffles 7 is alternately fixed on a left side, on the vertical baffle plate 8 on right side, gap is left between the free end of transverse baffle 7 and vertical baffle plate 8, form snakelike lithium-bromide solution heat exchanging pipe.Regenerator solution side is divided into multiple flow process by transverse baffle 7, for preventing the vibrations of heat-transfer pipe, gripper shoe group is provided with between the coil pipe gap of heat source water pipeline 3, gripper shoe group is made up of multiple gripper shoe 6 spaced apart, the gripper shoe 6 of two adjacent groups gripper shoe group is interspersed, and gripper shoe 6 plays effect that is shockproof and flow-disturbing.Solution enters snakelike flowing in housing under the effect of vertical baffle plate 8 and transverse baffle 7 after regenerator 1-4, along tube runs after thermal source warm water enters regenerator 1-4 from entrance from lithium-bromide solution entrance 4-1.Thermal source warm water and lithium-bromide solution all can realize reverse heat-exchange in each flow process, avoid the phenomenon reducing heat exchange efficiency because solution flowing is uneven, result is that refrigerant amount of regeneration increases, and solution concentration raises, warm water outlet temperature reduces, and the efficiency of unit is improved.
Kind of refrigeration cycle of the present utility model as shown in Figure 3, bromize lithium dilute solution self-absorption device 1-2 flows through heat exchanger 1-3, after the concentrated solution heat exchange that weak solution and regenerator 1-4 produce, temperature raises and enters regenerator 1-4, in regenerator 1-4 boiling become concentrated solution, then Returning heat-exchanger 1-3 and bromize lithium dilute solution heat exchange lower the temperature after back into absorber 1-2.Condense into water after the steam that in regenerator 1-4, solution boiling produces enters condenser 1-5 and flow into evaporimeter 1-1, in evaporimeter 1-1, chilled water evaporator strip is walked heat cold water temperature is reduced, its steam evaporated enters in absorber 1-2 and is absorbed by the bromize lithium concentrated solution dripped under pouring, bromize lithium concentrated solution becomes weak solution, and so circulation reaches the refrigeration object reducing cold water temperature.External refrigeration water takes away on the one hand liberated heat when bromize lithium concentrated solution absorbs refrigerant steam, liberated heat when taking away refrigerant steam condensation on the other hand.Because regenerator heat exchange efficiency of the present utility model is higher, its inner refrigerant steam regeneration amount increases, and result in condenser duty increases, and therefore the utility model also have adjusted flowing through sequentially of cooling water simultaneously.Condenser 1-5 connects cooling water pipeline arrival end 1, cooling water pipeline connects absorber 1-2 via condenser 1-5, the cooling water pipeline port of export 5 is positioned on absorber 1-2, and cooling water first passes into condenser 1-5, finally discharges from absorber 1-2, cooling water pipeline after adjustment first makes the adiabatic condensation temperature in condenser 1-5 reduce, in regenerator 1-4, pressure reduces, thus refrigerant amount of regeneration is increased, and solution concentration raises, the outlet temperature of thermal source warm water also can reduce simultaneously, is conducive to improving unit efficiency.
Claims (3)
1. a warm water type lithium bromide absorption refrigerating set, absorber, heat exchanger and regenerator connect to form lithium-bromide solution circulation line by pipeline, condenser and evaporimeter connect to form cold-producing medium water circulation pipe by pipeline, horizontal coiled heat source water pipeline is provided with in regenerator, heat source water line entry end is positioned at above the side of regenerator, heat source water tube outlet end be positioned at the housing of heat source water line entry end homonymy below, it is characterized in that: the housing bottom side of regenerator is provided with lithium-bromide solution entrance, regenerator case top same lateral position place is provided with lithium-bromide solution outlet, the enclosure interior left and right sides of regenerator is provided with vertical baffle plate, transverse baffle is provided with between the coil pipe gap of heat source water pipeline, the stiff end of adjacent two transverse baffles is alternately fixed on a left side, on the vertical baffle plate on right side, gap is left between the free end of transverse baffle and vertical baffle plate, form snakelike lithium-bromide solution heat exchanging pipe.
2. warm water type lithium bromide absorption refrigerating set according to claim 1, it is characterized in that: between the coil pipe gap of described heat source water pipeline, be provided with gripper shoe group, gripper shoe group is made up of multiple gripper shoe spaced apart, and the gripper shoe of two adjacent groups gripper shoe group is interspersed.
3. warm water type lithium bromide absorption refrigerating set according to claim 1 and 2, is characterized in that: described condenser connects cooling water pipeline arrival end, and cooling water pipeline connects absorber via condenser, and the cooling water pipeline port of export is positioned on absorber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520810279.XU CN205119554U (en) | 2015-10-20 | 2015-10-20 | Warm water type lithium bromide absorbed refrigeration unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520810279.XU CN205119554U (en) | 2015-10-20 | 2015-10-20 | Warm water type lithium bromide absorbed refrigeration unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205119554U true CN205119554U (en) | 2016-03-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520810279.XU Active CN205119554U (en) | 2015-10-20 | 2015-10-20 | Warm water type lithium bromide absorbed refrigeration unit |
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| CN (1) | CN205119554U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114459168A (en) * | 2022-02-23 | 2022-05-10 | 远大空调有限公司 | High-temperature generator for semi-falling film type lithium bromide water chilling unit and working method thereof |
-
2015
- 2015-10-20 CN CN201520810279.XU patent/CN205119554U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114459168A (en) * | 2022-02-23 | 2022-05-10 | 远大空调有限公司 | High-temperature generator for semi-falling film type lithium bromide water chilling unit and working method thereof |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |