CN205690733U - A kind of single-double effect compound type absorption refrigeration unit - Google Patents
A kind of single-double effect compound type absorption refrigeration unit Download PDFInfo
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- CN205690733U CN205690733U CN201620625009.6U CN201620625009U CN205690733U CN 205690733 U CN205690733 U CN 205690733U CN 201620625009 U CN201620625009 U CN 201620625009U CN 205690733 U CN205690733 U CN 205690733U
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- 230000000694 effects Effects 0.000 title claims abstract description 123
- 238000010521 absorption reaction Methods 0.000 title claims abstract description 107
- 238000005057 refrigeration Methods 0.000 title claims abstract description 33
- 150000001875 compounds Chemical class 0.000 title claims abstract description 28
- 230000008901 benefit Effects 0.000 claims abstract description 181
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 96
- 239000000243 solution Substances 0.000 claims description 201
- 239000012530 fluid Substances 0.000 claims description 28
- 239000007788 liquid Substances 0.000 claims description 22
- 239000000498 cooling water Substances 0.000 claims description 19
- 238000001816 cooling Methods 0.000 claims description 17
- 239000006096 absorbing agent Substances 0.000 claims description 15
- 230000008676 import Effects 0.000 claims description 15
- 238000002156 mixing Methods 0.000 claims description 15
- 235000019504 cigarettes Nutrition 0.000 claims description 11
- 230000004087 circulation Effects 0.000 claims description 10
- 238000004891 communication Methods 0.000 claims description 10
- 238000001704 evaporation Methods 0.000 claims description 10
- 230000008020 evaporation Effects 0.000 claims description 8
- 239000007921 spray Substances 0.000 claims description 8
- 239000012141 concentrate Substances 0.000 claims description 6
- 238000010790 dilution Methods 0.000 claims description 3
- 239000012895 dilution Substances 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 claims description 2
- 239000003507 refrigerant Substances 0.000 description 18
- 238000010438 heat treatment Methods 0.000 description 16
- 239000006200 vaporizer Substances 0.000 description 13
- 238000000034 method Methods 0.000 description 7
- 239000007789 gas Substances 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 5
- 239000003546 flue gas Substances 0.000 description 5
- 238000009833 condensation Methods 0.000 description 4
- 230000005494 condensation Effects 0.000 description 4
- 238000012546 transfer Methods 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 239000004744 fabric Substances 0.000 description 3
- 230000009467 reduction Effects 0.000 description 3
- 230000009977 dual effect Effects 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 239000003517 fume Substances 0.000 description 2
- AMXOYNBUYSYVKV-UHFFFAOYSA-M lithium bromide Chemical compound [Li+].[Br-] AMXOYNBUYSYVKV-UHFFFAOYSA-M 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 238000010792 warming Methods 0.000 description 2
- 230000017531 blood circulation Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000007865 diluting Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 210000004243 sweat Anatomy 0.000 description 1
- 239000002918 waste heat Substances 0.000 description 1
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- Sorption Type Refrigeration Machines (AREA)
Abstract
The utility model discloses a kind of single-double effect compound type absorption refrigeration unit, this unit includes single effect absorption device, single-action generator, single-action condenser, double-effect absorption device, economic benefits and social benefits generator, purpose double-action condenser, also including booster generator, the internal heat pipeline of booster generator is connected with the low-temperature heat source heat exchanging pipe within single-action generator；When unit utilizes high-grade thermal source and heat of low-temperature heat source refrigerating operaton simultaneously herein, before entering single-action generator due to hot water, it is introduced into the booster generator of economic benefits and social benefits side, so hot water heat is utilized by double-effect chiller side part, the cold water A temperature so going out single effect evaporator will raise, single-action generator cylinder internal pressure and temperature reduce, and afterheat of hot water can at utmost be utilized, and reduce the holistic cost putting into and reducing unit of high-grade thermal source.
Description
Technical field
This utility model relates to technical field of energy recovery, particularly to a kind of single-double effect compound type Absorption Refrigerator
Group.
Background technology
The lithium bromide absorption cooling and warming water machine of prior art is shown in accompanying drawing 1, and it includes high tension generator, vaporizer, absorber,
Steam generator, hot water generator, condenser, solution heat exchanger, solution pump and cryogenic fluid pump and pipeline.
When unit utilizes high-grade thermal source and low-temperature water heating to produce heat refrigerating operaton simultaneously, the most single, double effect works simultaneously
Time, solution is cut and is closed for valve 34,35.In the vaporizer 1 of single-effective absorption refrigerating machine group, cryogen (water) absorbs heat from cold water 2
Measure and evaporate, and cold water 2 is cooled to medium temperature.Vaporized refrigerant gas 3 inflow absorber 4, cold by Bottomhole pressure
But the desuperheated absorbing liquid of water 5 absorbs, with dilute solution.Weak solution 6 is sent to generator 9 by solution pump 7 via heat exchanger 8,
By the hot water heating of Bottomhole pressure, concentration, concentrated solution 11 and the steam 12 produced is made to separate.Its concentrated solution 11 is via heat exchanger
8 enter absorber 4, again absorb refrigerant vapour.
The vaporizer 1A of double effect absorption fridge is by the coldest for the cold water being cooled to medium temperature in described vaporizer 1
But being cold water 2A, cryogen evaporation becomes refrigerant gas 3A, is absorbed by the solution of absorber 4A, is diluted.Dilute after being diluted
Solution 6A is sent to high tension generator 15 through heat exchanger 8A and 18 by solution pump 7A.It is sent to weak solution 6A of high tension generator 15
Heated by high-grade thermal source 16, concentrating and separating becomes intermediate concentration solution 19 and the steam 17 of generation.The steam 17 produced enters low
Temperature generator 9A, heating intermediate concentration solution 19, concentrating and separating become the steam 12A of concentrated solution 11A and generation, simultaneously self also by
Condenser 13A is entered after cooling, liquefaction.The cryogen liquid lowered the temperature with produced steam 12A with logical supercooled water 5, liquefy
Enter vaporizer 1A. concentrated solution 11A after body mixing and be back to absorber 4A after over-heat-exchanger 8A lowers the temperature, again absorb cryogen
Steam.
Wherein the liquid distributor 22 in vaporizer 1 and vaporizer 1A and liquid distributor 22A refer to pattern in Fig. 1.
When unit runs individually with water-heating cooling, solution is cut and is closed for valve 34,35, and unit presses single-action kind of refrigeration cycle stream
Cheng Yunhang.Economic benefits and social benefits solution pump 7A stall, dual-effect refrigeration blood circulation and parts thereof do not work, double-effect absorption device 4A and economic benefits and social benefits condensation
Device 13A is only respectively as cold water 2, cooling water 5 circulation passage.
When unit is individually with high-grade thermal source refrigerating operaton, solution is cut and is opened for valve 34,35, and unit is followed by dual-effect refrigeration
Ring process flow operation.Single-action solution pump 7 stall, generator 9 and single-action condenser 13 do not work, and single-action condenser 13 is only used as cooling
Water 5 circulation passage.Going out concentrated solution 11A point two-way after low temperature heat exchanger 8A heat exchange is lowered the temperature of steam generator 9A, a road is entered
Double-effect absorption device 4A, another road enters single effect absorption device 4 through concentrated solution cross over pipe 32, absorbs cryogen respectively and steam in two absorbers
Mixing after vapour is thinning, is sent into high tension generator 15 by economic benefits and social benefits side solution pump 7A.
From the above, it can be seen that prior art unit the most only runs single-action or single economic benefits and social benefits are run simultaneously, can only
Hot water temperature is reduced to about 75 DEG C, is difficult at utmost recycle hot water energy, can only be by increasing high-grade thermal source
Consumption, or increase single-action side heat exchange area and reduce hot water temperature and could meet the cold demand of idle call, so certainly will cause entirety
Equipment volume is big, and use cost is high.Especially during single-action isolated operation, economic benefits and social benefits side is inoperative, unit half heat exchange area not by
Utilize, the drawbacks such as comprehensive utilization of energy rate is low.
Therefore, how to improve the structure of prior art unit, not only can improve the utilization rate of hot water but also equipment can be reduced
Overall volume, be those skilled in that art's technical problems urgently to be resolved hurrily.
Utility model content
For solving above-mentioned technical problem, this utility model provides a kind of single-double effect compound type absorption refrigeration unit, including
Single effect absorption device, single-action generator, condenser, double-effect absorption device, economic benefits and social benefits generator, also include booster generator, described auxiliary
The internal heat pipeline of generator is connected with the low-temperature heat source heat exchanging pipe within described single-action generator.
Optionally, described condenser specifically includes purpose double-action condenser and single-action condenser；Described booster generator, described double
Effect generator, described purpose double-action condenser are placed in same box house.
Optionally, described booster generator, described economic benefits and social benefits generator are arranged up and down, and described booster generator is placed in institute
State the surface of economic benefits and social benefits generator；The weak solution of described double-effect absorption device is from the top spray of described casing or drops to described auxiliary
Help the heat exchanger tube surface of generator, the heat exchanger tube surface of described economic benefits and social benefits generator to carry out heat exchange and be condensed to concentrated solution.
Optionally, also include with lower component:
High tension generator, it is internally provided with and the heat exchanger tube in external high temperature thermal source formation loop, and described high Hair Fixer
The outer surface of raw device is provided with steam port, and described steam port is by the heat exchanger tube of economic benefits and social benefits generator described in pipeline connection；
The part concentrated solution of described box house the most directly returns described double-effect absorption device, and another part concentrated solution is led to
Cross pipeline and first flow to described high tension generator inside and the high temperature heat source heat exchange continuation concentration in its internal heat exchange tubes, return the most again
Return described double-effect absorption device.
Optionally, also including cigarette cooler, described cigarette cooler is internally provided with first fluid heat exchanging pipe and second fluid changes
Pipe line, the external high temperature thermal source that the inlet communication of described first fluid heat exchanging pipe flows out through high tension generator, described second
Fluid heat transfer pipeline and the low-temperature heat source heat exchanging pipe within described booster generator internal heat pipeline, described single-action generator
Series connection.
Optionally, described single effect absorption device internal cooling water lines is connected with described single-action condensed water internal cooling water lines
Form the first series pipe, described double-effect absorption device internal cooling water lines and described economic benefits and social benefits condensed water internal cooling water lines string
Connection forms the second series pipe, described first series pipe and described second chilled(cooling) water return (CWR), the series pipe parallel join external world；
Or,
Described single effect absorption device internal cooling water lines, described single-action condensed water internal cooling water lines, described economic benefits and social benefits are inhaled
Receive device internal cooling water lines, the series connection of described economic benefits and social benefits condensed water internal cooling water lines.
Optionally, when unit is in single-action running status, there are two solution circulation flow roads, be specifically respectively as follows:
The weak solution of the weak solution of described single effect absorption device by single-action solution pump to inside described single-action generator, quilt
Concentrated solution after concentration flows back to described single effect absorption device；
Weak solution within described double-effect absorption device by economic benefits and social benefits solution pump to casing residing for described booster generator, with
Low-temperature heat source heat exchange within described booster generator flows back to described double-effect absorption device after concentrating；And economic benefits and social benefits generator and high temperature
The connecting line of thermal source disconnects.
Optionally, when unit is in economic benefits and social benefits running status, weak solution outlet and the single-action solution of described single effect absorption device
Pump inlet disconnects, and itself and the inlet communication of economic benefits and social benefits solution pump, described economic benefits and social benefits generator connects with the connecting line of high temperature heat source, institute
Stating the weak solution outlet of double-effect absorption device and the inlet communication of described single-action solution pump, described single-action solution delivery side of pump directly connects
The concentrated solution import of logical described single effect absorption device；The condensed water produced in purpose double-action condenser is sprayed onto described single effect evaporator simultaneously
Inside described double effect evaporator；
Weak solution within described single effect absorption device is pumped to described casing, in casing with in described economic benefits and social benefits generator
Portion's high temperature heat source heat exchange concentrates, and the solution after concentration is divided into two strands: one flow to high tension generator evaporation and concentration, through described high pressure
The concentrated solution that generator concentrates and another stock converge the cooled dilution of the described double-effect absorption device of return, in described double-effect absorption device
Weak solution is sprayed to described single effect absorption device through described single-action solution pump and continues cooling dilution.
Optionally, described single-action generator and described single-action condenser are located at same inner barrel, described barrel outer surface
Offer dilute solution inlet, concentrated solution exports and for connecting the import of low-temperature heat source, outlet.
Optionally, also include that solution blending bin, described solution blending bin are arranged at the concentrated solution export pipeline of described casing,
The outer surface of described solution blending bin has concentrated solution import, the first outlet and the second outlet, described concentrated solution inlet communication institute
State the concentrated solution outlet of casing, the solution inlet port of high tension generator described in described first outlet, described high tension generator
Taphole exports the concentrated solution import main line of double-effect absorption device described in parallel join with described second.
Optionally, single-action cryogenic fluid pump and economic benefits and social benefits cryogenic fluid pump it are additionally provided with；
Described single-action cryogenic fluid pump is for delivering to liquid distributor, to be sprayed to single-action by the condensate pump entering single effect evaporator
The surface of heat exchange pipe of evaporator so that it is with the cold water heat exchange within heat exchanger tube；
Described economic benefits and social benefits cryogenic fluid pump is for delivering to liquid distributor, to be sprayed to economic benefits and social benefits by the condensate pump entering double effect evaporator
The heat exchanger tube surface of vaporizer so that it is with the cold water heat exchange within heat exchanger tube.
When unit utilizes high-grade thermal source and heat of low-temperature heat source refrigerating operaton herein, owing to hot water enters single-action simultaneously
Before generator, being introduced into the booster generator of economic benefits and social benefits side, such hot water heat is utilized by double-effect chiller side part, so goes out
The cold water A temperature of single effect evaporator will raise.Single-action side cold water A outlet temperature is the highest, and weak solution exit concentration is the lowest.Single-action is sent out
Raw device cylinder internal pressure and temperature reduce, and afterheat of hot water can at utmost be utilized, and reduce input and the reduction of high-grade thermal source
The holistic cost of unit.
Accompanying drawing explanation
Fig. 1 is the structural representation of absorption cooling and warming water machine in prior art；
Fig. 2 is the structural representation of single-double effect compound type absorption refrigeration unit in a kind of embodiment of this utility model；
Fig. 3 is the structural representation of single-double effect compound type absorption refrigeration unit in this utility model the second embodiment；
Fig. 4 is the structural representation of single-double effect compound type absorption refrigeration unit in the third embodiment of this utility model；
Fig. 5 is the structural representation of single-double effect compound type absorption refrigeration unit in the 4th kind of embodiment of this utility model.
Wherein, in Fig. 1, one-to-one relationship between each component names and reference is as follows:
Vaporizer 1, cold water 2, refrigerant gas 3, absorber 4, cooling water 5, weak solution 6, solution pump 7, heat exchanger 8, send out
Raw device 9, concentrated solution 11, steam 12, single-action condenser 13, high tension generator 15, high-grade thermal source 16, steam 17, intermediate concentration
Solution 19, liquid distributor 22, liquid distributor 22A, vaporizer 1A, cold water 2A, refrigerant gas 3A, absorber 4A, weak solution 6A, quilt
Solution pump 7A, heat exchanger 8A, cryogenerator 9A, concentrated solution 11A, steam 12A, condenser 13A, concentrated solution cross over pipe 32,
Solution is cut and is cut for valve 35 for valve 34, solution；
Wherein, in Fig. 2 to Fig. 4, one-to-one relationship between each component names and reference is as follows:
High tension generator 1, economic benefits and social benefits generator 2, booster generator 3, single-action generator 4, purpose double-action condenser 5, single-action condensation
Device 6, double effect evaporator 7, single effect evaporator 8, double-effect absorption device 9, single effect absorption device 10, single-action solution pump 11, economic benefits and social benefits solution pump
11A, economic benefits and social benefits high-temperature heat exchanger 13, economic benefits and social benefits low temperature heat exchanger 14, cigarette cooler 15, single-action low temperature heat exchanger 16, single-action are cold
Agent pump 17, economic benefits and social benefits cryogenic fluid pump 17A, solution blending bin 20, solution pump 24, solution switching valve 30, solution switching valve 31, solution switching
Valve 32, solution switching valve 33, solution switching valve 34, solution switching valve 35, pipeline 51, pipeline 52, pipeline 53, pipeline 54, dense molten
Liquid 55, concentrated solution 56, pipeline 57, liquid distributor 60, liquid distributor 61.
Detailed description of the invention
For the single-double effect compound type absorption refrigeration unit in the presence of prior art when single-action works, the lowest
The utilization rate of temperature-heat-source, than relatively low technical problem, conducts in-depth research herein, and proposes one on the basis of research
Solve the technical scheme of above-mentioned technical problem, be described in detail below.
In order to make those skilled in the art be more fully understood that the technical solution of the utility model, below in conjunction with the accompanying drawings and tool
The utility model is described in further detail for body embodiment.
Refer to Fig. 2 to Fig. 5, Fig. 2 is single-double effect compound type absorption refrigeration unit in this utility model one embodiment
Structural representation；Fig. 3 is that in this utility model the second embodiment, the structure of single-double effect compound type absorption refrigeration unit is shown
It is intended to；Fig. 4 is the structural representation of single-double effect compound type absorption refrigeration unit in the third embodiment of this utility model；Fig. 5
For the structural representation of single-double effect compound type absorption refrigeration unit in the 4th kind of embodiment of this utility model.
Wherein, in Fig. 2 to Fig. 5, solution loop is the most identical, economic benefits and social benefits side, the parallel connection of chilled(cooling) water return (CWR), single-action side in Fig. 2 and Fig. 3,
Economic benefits and social benefits side, the series connection of chilled(cooling) water return (CWR), single-action side in Fig. 4 and Fig. 5, Fig. 3, Fig. 5 are provided with cigarette cooler
This utility model provides a kind of single-double effect compound type absorption refrigeration unit, including single effect absorption device 10, single-action
Generator 4, double-effect absorption device 9 and economic benefits and social benefits generator 2, economic benefits and social benefits and single-action can share a condenser, the most only include one cold
Condenser, certain economic benefits and social benefits and single-action can use single condenser respectively, i.e. have two condensers: single-action condenser 6 is with double
Effect condenser 5.Continue to introduce technical scheme herein as a example by there is single-action condenser 6 and purpose double-action condenser 5.
Unit also includes single effect evaporator 8, double effect evaporator 7, and single effect evaporator 8, double effect evaporator 7 are internal to be communicated with
Outside chilled water circuit A-A ' heat exchanger tube, the heat exchanger tube in single effect evaporator 8, double effect evaporator 7 can be connected.Single effect evaporator
8, double effect evaporator 7 primarily serves the purpose of and is sprayed to change by being flow to its internal condensed water by single-action condenser 6, purpose double-action condenser 5
Tube surface, forms steam for diluting return single effect absorption device, the concentrated solution of double-effect absorption device.
Single effect absorption device 10, single-action condenser 6, double-effect absorption device 9 and purpose double-action condenser 5 inside are provided with cold with the external world
But the heat exchanger tube of water loop connection, single effect absorption device 10, single-action condenser 6, double-effect absorption device 9 and purpose double-action condenser 5 can be also
Connection or be series at extraneous chilled(cooling) water return (CWR), it is of course also possible to wherein both or a few person series connection, more in parallel with remaining several persons even
Connect extraneous chilled(cooling) water return (CWR).Such as, the heat exchanger tube series connection of single effect absorption device 10 and single-action condenser 6 forms the first series pipe,
The heat exchanger tube series connection of double-effect absorption device 9 and purpose double-action condenser 5 forms the second series pipe, the first series pipe and the second tandem tube
Chilled(cooling) water return (CWR), the parallel join external world, road.
Single-double effect compound type absorption refrigeration unit in this utility model also includes booster generator 3, booster generator 3
Internal heat pipeline connect with the low-temperature heat source heat exchanging pipe within single-action generator 4, low-temperature heat source is same as the prior art,
Refer generally to the extraneous remaining hot water of about 100 DEG C.Extraneous low-temperature heat source can be first through booster generator 3 internal heat pipeline, then warp
Heat exchanging pipe within single-action generator 4, certainly, extraneous low-temperature heat source can also be first through the heat exchanger tube within single-action generator 4
Road, enters back into booster generator 3 internal heat pipeline.Herein with low-temperature heat source first through booster generator 3, then through single-action generator
Continue as a example by 4 to introduce technical scheme.
Refer to Fig. 2, when unit herein utilizes high-grade thermal source and low-temperature heat source (low-temperature water heating) heat system simultaneously
During cold operation, i.e. unit runs single economic benefits and social benefits simultaneously, and solution switching valve 30,33,34 is opened, and solution switching valve 31,32,35 cuts out.
Single-action side circulation process is: the weak solution within single effect absorption device 10 exports by single-action solution pump 11 warp from weak solution
Pipeline 51 is pumped to single-action generator 4, can arrange between outlet and the solution inlet port of single-action generator 4 of single-action solution pump 11
Single-action low temperature heat exchanger 16, weak solution is had to be condensed to dense with the low-temperature heat source heat exchange within heat exchanger tube in single-action generator 4
Solution, wherein the low-temperature heat source in single-action generator 4 heat exchanger tube is the Low Temperature Thermal lowered the temperature through economic benefits and social benefits side booster generator 3
Source, the concentrated solution in single-action generator 4 is through the taphole pipeline 54 of single-action generator 4, single-action low temperature heat exchanger 16, pipeline
53 flow back to single effect absorption device 10.Refrigerant circuit be hot water heating single-action generator 4 solution produced by refrigerant vapour enter single
Effect condenser 6 is internal, enters single effect evaporator 8, single-action cryogenic fluid pump 17 be sent to liquid distributor after being condensed into water as refrigerant, spray
Being evaporated refrigeration to single effect evaporator 8 internal heat tube-surface, cold water A temperature reduces.
Economic benefits and social benefits side circulation process is: the weak solution of double-effect absorption device 9 exports by economic benefits and social benefits solution pump 11A by the road from weak solution
52 are pumped to economic benefits and social benefits generator 2, are sprayed by liquid distributor or drip and drench the surface to booster generator 3 heat exchanging pipe, are assisted
Low-temperature heat source heating within generator 3 heat exchanging pipe concentrates, and relies on gravity or spray equipment to drip the most again and pours steam and send out
The surface of raw device heat exchanging pipe, is heated concentration further by the steam from high tension generator 1, becomes concentrated solution 55, concentrated solution
55 through steam generator taphole flow out.Concentrated solution 55 is partially into high tension generator 1 further by high temperature heat source (Gao Pin
Matter thermal source) heating concentration, the concentrated solution 56 after concentration is from the outlet outflow of high tension generator 1 another part with concentrated solution 55
Converge and 57 return double-effect absorption device 9 by the road, in double-effect absorption device 9 absorbed inside from the steam of double effect evaporator 7, become dilute
Solution, constitutes complete solution circulation.Refrigerant vapour heating produced by high-quality thermal source concentrated solution 55 in high tension generator 1
Condense into water as refrigerant after the outer resulting exothermic solution of steam generator heat exchange tube, enter purpose double-action condenser 5 through water as refrigerant outlet internal, quilt
Being condensed into water as refrigerant, this water as refrigerant and the water as refrigerant of high tension generator 1 from water as refrigerant outlet are together through cryogen pipe arrangement
Entering double effect evaporator 7, economic benefits and social benefits cold pump 17A be sent to liquid distributor 61, spray enters to double effect evaporator 7 heat exchange pipe external surface
Row sweat cooling, lowers the temperature further by the cold water lowered the temperature in single effect evaporator 8.
Economic benefits and social benefits Low Temperature Thermal can also be arranged between outlet and the solution inlet port of economic benefits and social benefits generator 2 of economic benefits and social benefits solution pump 11A hand over
Parallel operation 14, economic benefits and social benefits low temperature heat exchanger 14 is for entering the weak solution of economic benefits and social benefits generator 2 and dense molten from economic benefits and social benefits generator 2 return
Liquid heat exchanges.
Being further provided with solution blending bin 20 herein, solution blending bin 20 is arranged at the concentrated solution of described casing and goes out
Mouth pipeline, the outer surface of described solution blending bin 20 has concentrated solution import, the first outlet and the second outlet, and concentrated solution import is even
The concentrated solution outlet of logical described casing, the solution inlet port of the first outlet high tension generator 1, the solution of high tension generator 1 goes out
Mouth exports the concentrated solution import main line of double-effect absorption device 9 described in parallel join with described second.First outlet occurs with high pressure
Solution pump 24 can also be set between device.
When unit utilizes high-grade thermal source and heat of low-temperature heat source refrigerating operaton herein, owing to hot water enters single-action simultaneously
Before generator 4, being introduced into the booster generator 3 of economic benefits and social benefits side, such hot water heat is utilized, so by double-effect chiller side part
The cold water A temperature going out single effect evaporator 8 will raise.Single-action side cold water A outlet temperature is the highest, and weak solution exit concentration is the lowest.Single
Effect generator 4 cylinder internal pressure and temperature reduce, afterheat of hot water can at utmost be utilized, reduce high-grade thermal source input and
Reduce the holistic cost of unit.
Booster generator 3, economic benefits and social benefits generator 2, purpose double-action condenser 5 can be placed in same box house herein；Economic benefits and social benefits are inhaled
Receive the weak solution of device 9 and from the top spray of casing or drop to the heat exchanger tube surface of booster generator 3, the changing of economic benefits and social benefits generator 2
Tube surface carries out heat exchange and is condensed to concentrated solution.In preferred embodiment, booster generator 3, economic benefits and social benefits generator about 2 cloth
Put, and booster generator 3 is placed in the surface of economic benefits and social benefits generator 2.So without increasing extra spray equipment, can realize
Solution flow to economic benefits and social benefits generator 2 from booster generator 3, reduces equipment volume, reduces equipment use cost.
When unit individually with low-temperature heat source freeze occasion, i.e. unit be in single-action running status time, the stream such as peripheral cold water
Journey works identical with above-mentioned single-action, economic benefits and social benefits simultaneously, and solution switching valve 30,33,34 is opened, and solution switching valve 31,32,35 cuts out,
Unit has two solution circulation flow roads, is specifically respectively as follows:
Economic benefits and social benefits side: the weak solution within double-effect absorption device 9 is pumped to booster generator 3 casing by economic benefits and social benefits solution pump 11A, with
Low-temperature heat source heat exchange within booster generator 3 flows back to double-effect absorption device 9 after concentrating；And economic benefits and social benefits generator 2 and high temperature heat source
Connecting line disconnect.It is to say, the heat exchanger tube of economic benefits and social benefits generator 2 is internal without heating source, weak solution is changed through booster generator 3
After pipe line surface heat exchanging concentrates, no longer it is concentrated through economic benefits and social benefits generator 2, is then flow to solution mixing by the taphole of casing
Case 20, although the part solution in solution blending bin 20 is sent to high tension generator 1, because of in high tension generator 1 without heating source, concentration
Do not change, flow out from the outlet of high tension generator 1 and mix return pair with another part solution in solution blending bin 20
Effect absorber 9.
Single-action side: the weak solution of single effect absorption device 10 flows out, through single-action solution pump 11, single-action Low Temperature Thermal from weak solution outlet
Exchanger 16 is pumped to single-action generator 4, dense by its internal low-temperature heat source when flowing through single-action generator 4 heat exchanger tube surface
Contracting, the concentrated solution after concentration returns single effect absorption device 10 from the taphole of single-action generator 4.
Cold water A can be introduced into inside single effect evaporator 8 heat exchanger tube, by single effect evaporator 8 heat exchanger tube outside water as refrigerant steam
Send out absorbing and cooling temperature, enter back into inside double effect evaporator 7 heat exchanger tube, by the water as refrigerant evaporation endothermic outside double effect evaporator 7 heat exchanger tube
Flow out unit after cooling further, become two-part evaporation process.Owing to cold water A is introduced into single effect evaporator 8, single effect evaporator
8 evaporating temperatures and evaporating pressure are higher, make the weak solution concentration of single effect absorption device 10 be minimized.It is lowered into single-action hot water to send out
The weak solution concentration of raw device and the operating pressure of reduction single-action hot water generator all can reduce the occurrence temperature of hot water generator, from
And make low-grade hot water C ' outlet temperature be even lower.Have again and enter back into low-pressure owing to hot water first passes through economic benefits and social benefits hot water generator
The single-action hot water generator of low temperature, constitutes two-part generating process.Two-part evaporation and two-part promote unit only to need
Making full use of of waste heat can be realized by less heat exchange area, hot water temperature is even lower, improve energy utilization rate, improve warp
Ji benefit.
This utility model unit freezes occasion individually with low-temperature water heating, uses this utility model, single double-effect absorption device 9 to steam
Sending out device heat transfer area to be fully utilized, machine consists of two-period form circulation, the concentration of weak solution can be made to be even lower, hot water generator
Pressure and temperature reduce in succession, and hot water generator outlet concentrated solution temperature will reduce, and finally make hot water temperature be even lower, reach
70 DEG C, hot water heat is fully utilized and plays the purpose reducing energy consumption.As maximum in realized energy by increase equipment heat exchange area
Change and utilize, then add hold facility area and investment cost.
When unit be in economic benefits and social benefits running status, i.e. unit freeze individually with high-quality thermal source (high temperature heat source) time, solution
Switching valve 30,33,34 cuts out, and solution switching valve 31,32,35 is opened.
The weak solution outlet of single effect absorption device 10 disconnects with single-action solution pump 11 import, and it enters with economic benefits and social benefits solution pump 11A's
Mouth connection, economic benefits and social benefits generator 2 connects with the connecting line of high temperature heat source, weak solution outlet and the single-action solution of double-effect absorption device 9
The inlet communication of pump 11, the outlet of single-action solution pump 11 directly connects the concentrated solution import of single effect absorption device 10.
Weak solution within single effect absorption device 10 flows through switching valve 31 and is flowed through the exchange of economic benefits and social benefits Low Temperature Thermal by economic benefits and social benefits solution pump 11A
Device 14 is pumped to booster generator 3 after heating up, because of the internal different hot water of booster generator 3, solution only changing from booster generator 3
Pipe line surface is flow through, and does not produce heat exchange, and then flow to the heat exchanging pipe surface of economic benefits and social benefits generator 2, by from high tension generator 1
Steam heating be condensed into concentrated solution 55, after concentrated solution enters solution blending bin 20, be divided into two strands: one by solution pump 24 through double
Effect high-temperature heat exchanger 13 is sent in high tension generator 1, and being concentrated by extraneous high-grade thermal source heating is concentrated solution, then mixes with solution
Another burst of concentrated solution 55 in mould assembling 20 mixes in economic benefits and social benefits low temperature heat exchanger 14 returns double-effect absorption device 9, absorb from
The steam that double effect evaporator 7 produces, after solution concentration is thinning, flows through switching valve and is flowed through switching valve feeding list by single-action solution pump 11
In effect absorber 10, absorb the steam produced from single effect evaporator 8, complete a circulation.
Refrigerant line is: utilizes high-grade thermal source and low-grade heat source refrigeration simultaneously and freezes individually with low-grade heat source
Occasion, switches valve 70 and closes, and cryogen is flowed into single effect evaporator by single-action condenser respectively, and purpose double-action condenser flows into double-effect evaporation
Device；Individually with high-grade thermal source refrigeration occasion, switching valve 70 is opened, and cryogen is divided two strands to respectively enter single-action by purpose double-action condenser
Vaporizer and double effect evaporator.
From figure 2 it can be seen that unit includes single-action cryogenic fluid pump 17 and economic benefits and social benefits cryogenic fluid pump 17A；Single-action cryogenic fluid pump 17 is used for
The condensate pump entering single effect evaporator 8 is delivered to liquid distributor, to be sprayed to the surface of single effect evaporator 8 heat exchanger tube, and changes
The cold water heat exchange of inside heat pipe；Economic benefits and social benefits cryogenic fluid pump 17A is used for the condensate pump entering double effect evaporator 7 is delivered to liquid distributor,
To be sprayed to the heat exchanger tube surface of double effect evaporator 7, with the cold water heat exchange within heat exchanger tube.General single effect evaporator 8 and economic benefits and social benefits
The public same condensation water pond of vaporizer 7, i.e. single-action cold pump and economic benefits and social benefits cold pump extract condensed water from same condensation water pond, divide
It is not sprayed to the heat exchanger tube surface of single effect evaporator 8 and double effect evaporator 7.This utility model sets up two cryogenic fluid pumps separately, can realize
Can keep in repair one side when unit breaks down, opposite side is unaffected to remain in operation.
When unit freezes individually with high-grade thermal source, vaporizer, absorber belong to two-stage evaporation absorption process, and solution goes out
Mouth concentration can reduce, and such high tension generator 1 outlet solution temperature will reduce, and flue gas exit temperature reduces.If exhanst gas outlet temperature
Degree keeps constant, then can reduce high tension generator 1 heat transfer area, plays reduction cost, improves the purpose of unit whole efficiency.
It addition, solution circulating load utilizes high-grade thermal source identical with during hot water heat refrigerating operaton with unit simultaneously.So absorber spray
Pouring amount will not be impacted, and absorber cloth liquid form can use drips pouring, droplet pouring or form of nozzle.Relatively prior art, cloth liquid mode is selected
Scope of selecting is wide, and the suitability is strong.
Refer to Fig. 3, Fig. 5, further, in the various embodiments described above, unit can further include cigarette cooler 15, cigarette
Cooler 15 is internally provided with first fluid heat exchanging pipe and second fluid heat exchanging pipe, the inlet communication of first fluid heat exchanging pipe
Through the external high temperature thermal source that high tension generator 1 flows out, second fluid heat exchanging pipe and booster generator 3 internal heat pipeline, list
Effect low-temperature heat source heat exchanging pipe series connection within generator 4
Exhanst gas outlet arranges cigarette cooler 15 occasion, after hot water is introduced into booster generator 3 cooling more same by cigarette cooler 15
Flue gas heat exchange, finally enters in single-action generator 4, and the heat exchange difference of such cigarette cooler 15 will increase, and heat transfer area reduces, flue gas
Outlet temperature is even lower, and fume afterheat is fully utilized, and improves energy utilization rate, serves effect of energy-saving and emission-reduction.
Single-action generator 4 is not easily formed pressure vessel simultaneously, adds device security, reduces complete machine cost.
The above high-grade thermal source being passed through in high tension generator 1 includes the produced high-temperature flue gas of fuel combustion, generating
Machine produces fume afterheat and utilizes, and flue gas supplements fuel etc..
Single-action generator 4 and single-action condenser 6 in the various embodiments described above can also be located at same inner barrel, outside cylinder
Surface offers dilute solution inlet, concentrated solution exports and for connecting the import of low-temperature heat source, outlet.
In like manner, single effect evaporator 8, the arrangement of single effect absorption device 10 and double effect evaporator 7, double-effect absorption device 9 can be joined
Examine prior art, can be with being located at same inner barrel, left and right is arranged in juxtaposition.
It should be noted that high temperature heat source is high-quality thermal source herein, low-temperature water heating is wherein the one of low-temperature heat source
Kind.
Above a kind of single-double effect compound type absorption refrigeration unit provided by the utility model is described in detail.
Principle of the present utility model and embodiment are set forth by specific case used herein, and the explanation of above example is only
It is to be adapted to assist in understanding method of the present utility model and core concept thereof.It should be pointed out that, the ordinary skill for the art
For personnel, on the premise of without departing from this utility model principle, it is also possible to this utility model is carried out some improvement and modification,
These improve and modification also falls in this utility model scope of the claims.
Claims (11)
1. a single-double effect compound type absorption refrigeration unit, including single effect absorption device (10), single-action generator (4), condenser,
Double-effect absorption device (9), economic benefits and social benefits generator (2), it is characterised in that also include booster generator (3), described booster generator (3)
The internal low-temperature heat source heat exchanging pipe of internal heat pipeline and described single-action generator (4) connect.
2. single-double effect compound type absorption refrigeration unit as claimed in claim 1, it is characterised in that described condenser specifically wraps
Include purpose double-action condenser (5) and single-action condenser (6)；Described booster generator (3), described economic benefits and social benefits generator (2) and described economic benefits and social benefits
The heat-exchanging tube bundle of condenser (5) three is placed in same box house.
3. single-double effect compound type absorption refrigeration unit as claimed in claim 2, it is characterised in that described booster generator
(3), described economic benefits and social benefits generator (2) arrange up and down, and described booster generator (3) is just being placed in described economic benefits and social benefits generator (2)
Top；The weak solution of described double-effect absorption device (9) is from the top spray of described casing or drops to described booster generator (3)
Heat exchanger tube surface, the heat exchanger tube surface of described economic benefits and social benefits generator (2) carry out heat exchange and are condensed to concentrated solution.
4. single-double effect compound type absorption refrigeration unit as claimed in claim 2, it is characterised in that also include with lower component:
High tension generator (1), it is internally provided with and the heat exchanger tube in external high temperature thermal source formation loop, and described high pressure occurs
The outer surface of device (1) is provided with steam port, and described steam port is by the heat exchanger tube of economic benefits and social benefits generator (2) described in pipeline connection；
The part concentrated solution of described box house the most directly returns described double-effect absorption device (9), and another part concentrated solution is led to
Cross pipeline and first flow to described high tension generator (1) inside and the high temperature heat source heat exchange continuation concentration in its internal heat exchange tubes, then
Return again to described double-effect absorption device (9).
5. single-double effect compound type absorption refrigeration unit as claimed in claim 2, it is characterised in that also include cigarette cooler
(15), described cigarette cooler (15) is internally provided with first fluid heat exchanging pipe and second fluid heat exchanging pipe, described first fluid
The external high temperature thermal source that the inlet communication of heat exchanging pipe flows out through high tension generator (1), described second fluid heat exchanging pipe and institute
State the low-temperature heat source heat exchanging pipe series connection of booster generator (3) internal heat pipeline, described single-action generator (4) inside.
6. single-double effect compound type absorption refrigeration unit as claimed in claim 1, it is characterised in that described single effect absorption device
(10) internal cooling water lines is connected with described single-action condensed water internal cooling water lines and is formed the first series pipe, described economic benefits and social benefits
Absorber (9) internal cooling water lines is connected with described economic benefits and social benefits condensed water internal cooling water lines and is formed the second series pipe, institute
State the first series pipe and described second chilled(cooling) water return (CWR), the series pipe parallel join external world；Or,
Described single effect absorption device (10) internal cooling water lines, described single-action condensed water internal cooling water lines, described economic benefits and social benefits are inhaled
Receive device (9) internal cooling water lines, the series connection of described economic benefits and social benefits condensed water internal cooling water lines.
7. the single-double effect compound type absorption refrigeration unit as described in any one of claim 2 to 5, it is characterised in that work as unit
When being in single-action running status, there are two solution circulation flow roads, be specifically respectively as follows:
It is internal that the weak solution of described single effect absorption device (10) is pumped to described single-action generator (4) by single-action solution pump (11), quilt
Concentrated solution after concentration flows back to described single effect absorption device (10)；
It is residing that the weak solution that described double-effect absorption device (9) is internal is pumped to described booster generator (3) by economic benefits and social benefits solution pump (11A)
Casing, the low-temperature heat source heat exchange internal with described booster generator (3) flows back to described double-effect absorption device (9) after concentrating；And it is double
Effect generator (2) disconnects with the connecting line of high temperature heat source.
8. the single-double effect compound type absorption refrigeration unit as described in any one of claim 2 to 5, it is characterised in that work as unit
When being in economic benefits and social benefits running status, the weak solution outlet of described single effect absorption device (10) disconnects with single-action solution pump (11) import, its
With the inlet communication of economic benefits and social benefits solution pump (11A), described economic benefits and social benefits generator (2) connects with the connecting line of high temperature heat source, described double
The weak solution outlet of effect absorber (9) and the inlet communication of described single-action solution pump (11), going out of described single-action solution pump (11)
Mouth directly connects the concentrated solution import of described single effect absorption device (10)；The condensed water produced in purpose double-action condenser is sprayed onto institute simultaneously
State inside single effect evaporator and described double effect evaporator；
The weak solution that described single effect absorption device (10) is internal is pumped to described casing, with described economic benefits and social benefits generator in casing
(2) heat exchange of internal high temperature thermal source concentrates, and the solution after concentration is divided into two strands: one flow to high tension generator (1) evaporation and concentration, warp
The concentrated solution that described high tension generator (1) concentrates and another stock converge the cooled dilution of the described double-effect absorption device (9) of return, described
It is dilute that weak solution in double-effect absorption device (9) is sprayed to the continuation cooling of described single effect absorption device (10) through described single-action solution pump (11)
Release.
9. the single-double effect compound type absorption refrigeration unit as described in any one of claim 2 to 5, it is characterised in that described list
Same inner barrel is located at by effect generator (4) and described single-action condenser (6), and described barrel outer surface offers weak solution and enters
Mouth, concentrated solution export and for connecting the import of low-temperature heat source, outlet.
10. the single-double effect compound type absorption refrigeration unit as described in any one of claim 2 to 5, it is characterised in that also include
Solution blending bin (20), described solution blending bin (20) is arranged at the concentrated solution export pipeline of described casing, and described solution mixes
The outer surface of case (20) has concentrated solution import, the first outlet and the second outlet, casing described in described concentrated solution inlet communication
Concentrated solution exports, the solution inlet port of high tension generator (1) described in described first outlet, described high tension generator (1) molten
Liquid outlet exports the concentrated solution import main line of double-effect absorption device (9) described in parallel join with described second.
The 11. single-double effect compound type absorption refrigeration unit as described in any one of claim 1 to 5, it is characterised in that also set up
There are single-action cryogenic fluid pump (17) and economic benefits and social benefits cryogenic fluid pump (17A)；
Described single-action cryogenic fluid pump (17) is for delivering to liquid distributor, to be sprayed to single-action by the condensate pump entering single effect evaporator
The surface of heat exchange pipe of evaporator so that it is with the cold water heat exchange within heat exchanger tube；
Described economic benefits and social benefits cryogenic fluid pump (17A) is for delivering to liquid distributor by the condensate pump entering double effect evaporator, double to be sprayed to
The heat exchanger tube surface of single-effect evaporator so that it is with the cold water heat exchange within heat exchanger tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620625009.6U CN205690733U (en) | 2016-06-22 | 2016-06-22 | A kind of single-double effect compound type absorption refrigeration unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620625009.6U CN205690733U (en) | 2016-06-22 | 2016-06-22 | A kind of single-double effect compound type absorption refrigeration unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205690733U true CN205690733U (en) | 2016-11-16 |
Family
ID=57416687
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620625009.6U Withdrawn - After Issue CN205690733U (en) | 2016-06-22 | 2016-06-22 | A kind of single-double effect compound type absorption refrigeration unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205690733U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105953459A (en) * | 2016-06-22 | 2016-09-21 | 烟台荏原空调设备有限公司 | Single and double effect compound type absorption refrigerating unit |
| CN107576097A (en) * | 2017-09-14 | 2018-01-12 | 中国科学院理化技术研究所 | The alternating temperature cooling absorber and Absorption heat-transformer system that can be premixed |
| CN110234941A (en) * | 2017-02-16 | 2019-09-13 | 日立江森自控空调有限公司 | Absorption refrigerating machine |
-
2016
- 2016-06-22 CN CN201620625009.6U patent/CN205690733U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105953459A (en) * | 2016-06-22 | 2016-09-21 | 烟台荏原空调设备有限公司 | Single and double effect compound type absorption refrigerating unit |
| CN110234941A (en) * | 2017-02-16 | 2019-09-13 | 日立江森自控空调有限公司 | Absorption refrigerating machine |
| CN110234941B (en) * | 2017-02-16 | 2021-05-18 | 日立江森自控空调有限公司 | Absorption refrigerator |
| CN107576097A (en) * | 2017-09-14 | 2018-01-12 | 中国科学院理化技术研究所 | The alternating temperature cooling absorber and Absorption heat-transformer system that can be premixed |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: Yongda road 265500 Shandong province Yantai Fushan hi tech Industrial Zone No. 720 Patentee after: Ebara (Chinese) Co. Ltd and cooling system Address before: Yongda road 265500 Shandong province Yantai Fushan hi tech Industrial Zone No. 720 Patentee before: Renyuan Air Conditioner Equipment Co., Ltd., Yantai City |
|
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20161116 Effective date of abandoning: 20190108 |