CN206247692U - Superposition type solution and serial double-effect lithium bromide absorption type refrigeration heat pump unit - Google Patents
Superposition type solution and serial double-effect lithium bromide absorption type refrigeration heat pump unit Download PDFInfo
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- CN206247692U CN206247692U CN201621238919.5U CN201621238919U CN206247692U CN 206247692 U CN206247692 U CN 206247692U CN 201621238919 U CN201621238919 U CN 201621238919U CN 206247692 U CN206247692 U CN 206247692U
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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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Abstract
The utility model is related to a kind of superposition type solution and serial double-effect lithium bromide absorption type refrigeration heat pump unit, belongs to air conditioner technical field.Including：Low pressure generator（1）, high pressure generator（2）, condenser（3）, high-temperature heat exchanger（4）, middle temperature heat exchanger（5）, low temperature heat exchanger（6）, the first absorber（7）, the first evaporator（8）, the second absorber（9）, the second evaporator（10）, lithium-bromide solution parallel connection flows through high pressure generator（2）, low pressure generator（1）Connect again afterwards and flow through the first absorber（7）With the second absorber（9）；High temperature heat source flows through high pressure generator（2）；Water at low temperature（The cold water of refrigeration unit or the remaining hot water of source pump）Flow through the first evaporator（8）；Middle warm water（The cooling water of refrigeration unit or the hot water of source pump）The tunnels of Shi Fen tri-, all the way series connection flows through the second evaporator（10）With the first absorber（7）, another two-way flows separately through the second absorber（9）And condenser（3）.The unit can reduce the refrigerating capacity of the second evaporator in superposition type unit, so as to improve the COP of whole unit.
Description
Technical field
The utility model is related to a kind of superposition type solution and serial double-effect lithium bromide absorption type refrigeration heat pump unit.Belong to empty
Adjust equipment technical field.
Background technology
Existing superposition type solution and serial double-effect lithium bromide absorption type refrigeration heat pump unit（Hereinafter referred to as superposition type economic benefits and social benefits
Unit, or unit）As shown in figure 1, by low pressure generator 1, high pressure generator 2, condenser 3, high-temperature heat exchanger 4, middle warm
Exchanger 5, low temperature heat exchanger 6, the first absorber 7, the first evaporator 8, the second absorber 9, the second evaporator 10, first are cold
Agent pump 11, the first solution pump 12, the second solution pump 13, cryogen communicating pipe 14, recirculating water pump 15 and control system（Do not show in figure
Go out）And the pipeline of connecting components, valve are constituted.Water at low temperature（The cold water of refrigeration unit or the remaining hot water of source pump, similarly hereinafter）
The first evaporator 8 is flowed through to lower the temperature；Middle warm water（The cooling water of refrigeration unit or the hot water of source pump, similarly hereinafter）Flow through the second absorption
Device 9 and condenser 3 heat up；High temperature driven thermal source flows through high pressure generator 2, and release thermal discharge drives whole unit operation；In addition
Also recirculated water is driven by recirculating water pump 15 all the way, the closed cycle between the first absorber 7 and the second evaporator 10.Unit
During operation, the first evaporator 8 is flowed through by the water as refrigerant absorption that the first cryogenic fluid pump 11 is extracted out under the spray of the top of the first evaporator 8 and is conducted heat
The heat of water at low temperature in pipe, enters the first absorber 7 after vaporization, absorbed by lithium bromide concentrated solution therein, and discharge heat and add
Hot-fluid is through the recirculated water in the heat-transfer pipe of the first absorber 7；Recirculated water after temperature is raised sends into the second steaming by recirculating water pump 15
Send out in the heat-transfer pipe of device 10, the water as refrigerant after being extracted out by the first cryogenic fluid pump 11 under the spray of top exchanges heat and lowers the temperature, after temperature reduction
The heat of absorbent solution release in the first absorber 7 is come back to again, and after the water as refrigerant in the second evaporator 10 absorbs heat
Vaporize and enter the second absorber 9；Concentration is thinning after lithium bromide concentrated solution absorbs refrigerant vapour in first absorber 7, by first
Solution pump 12 is extracted out and entered in the second absorber 9 after being heated up through the heat exchange of low temperature heat exchanger 6, is absorbed the second evaporator 10 and is produced
Refrigerant vapour after concentration reduce again（The middle warm water that heat is flowed through in the heat-transfer pipe of the second absorber 9 is discharged simultaneously）, quilt
Enter high pressure after second solution pump 13 is extracted out and point two-way heats up through high-temperature heat exchanger 4 or the heat exchange of middle temperature heat exchanger 5 respectively
Concentration is heated in generator 2 or low pressure generator 1, the heating source of high pressure generator 2 is external high temperature thermal source, low pressure generator 1
The high temperature refrigerant vapour that is produced for lithium-bromide solution concentration in high pressure generator 2 of heating source.Lithium-bromide solution point after concentration
Not through high-temperature heat exchanger 4 or the heat exchange cooling of middle temperature heat exchanger 5, lower the temperature and return through the heat exchange of low temperature heat exchanger 6 again after converging
Refrigerant vapour is absorbed in the first absorber 7；And the refrigerant vapour that solution concentration is produced in high pressure generator 2 is in low pressure generator
Condensed after heat is discharged in 1, the refrigerant vapour produced with solution concentration in low pressure generator 1 enters in condenser 3 by middle temperature
Water cooling condensation, the water as refrigerant being condensed into returns to the second evaporator 10 and by returning to the first evaporator 8 cryogen communicating pipe 14
In.
In superposition type economic benefits and social benefits unit, the heat extracted from the water at low temperature of the first evaporator 8 is flowed through is advanced becoming a mandarin
In closed cycle water through the first absorber 7, then again by the heat extraction in the closed cycle water in the second evaporator 10
Could enter after out in the middle warm water for flowing through the second absorber 9.That is, superposition type economic benefits and social benefits unit is in order to by water at low temperature
Heat extraction out enter in warm water, except needing consumption high temperature driven heat energy, using suction-type lithium bromide dual-effect refrigeration
Principle is freezed to the water at low temperature for flowing through the first evaporator 8（Heat therein is extracted, similarly hereinafter）Outward, consumption is also needed also exist for high
Temperature is driven heat energy, the closed cycle water for flowing through the second evaporator 10 is freezed using suction-type lithium bromide dual-effect refrigeration principle.Close
The heat that formula recirculated water discharges in the second evaporator 10（Also referred to as refrigerating capacity）It is exactly heat that it absorbs in the first absorber 7
Amount, for lithium bromide absorption-type machine unit, the heat exchange amount in absorber is about 1.2 times of correspondence evaporator capacity.Cause
This, superposition type economic benefits and social benefits unit in order in warm water during the heat extraction in water at low temperature is out entered, it is necessary to consume high temperature driven heat
, water at low temperature and recirculated water can be freezed simultaneously using suction-type lithium bromide dual-effect refrigeration principle, overall refrigerating effect is approximately low temperature
2.2 times of hydro-thermal amount, it is assumed that the COP of suction-type lithium bromide dual-effect refrigeration unit is 1.4, then the COP of superposition type economic benefits and social benefits unit is about
It is 1.4 ÷ 2.2=0.636.If improving the COP of superposition type economic benefits and social benefits unit, a kind of approach is that lifting dual-effect refrigeration as far as possible is followed
The efficiency of ring（That is COP）, such as increasing heat exchange area to reduce the heat exchange difference of heat exchanger, also a kind of approach is exactly to reduce
The refrigeration demand of the second evaporator 10.
The content of the invention
The purpose of this utility model is exactly to improve superposition type economic benefits and social benefits unit by reducing the refrigeration demand of the second evaporator
COP.
What the purpose of this utility model was realized in：A kind of superposition type solution and serial double-effect lithium bromide absorbing type refrigeration
Source pump, including：Low pressure generator, high pressure generator, condenser, high-temperature heat exchanger, middle temperature heat exchanger, Low Temperature Thermal are handed over
It is parallel operation, the first absorber, the first evaporator, the second absorber, the second evaporator, the first cryogenic fluid pump, the first solution pump, second molten
Liquid pump and cryogen communicating pipe, the first evaporator and the first absorber are in a cavity, and are equipped with the first solution pump, and second steams
Hair device and the second absorber are in another cavity, and are equipped with the second solution pump；First evaporator and the second evaporator it is cold
Agent water is connected by cryogen communicating pipe.Second solution pump extracts the weak solution in the second absorber out, and point two-way is warmed through height respectively
Exchanger, middle temperature heat exchanger are sent to high pressure generator, low pressure generator, the solution after concentration again by high-temperature heat exchanger,
Converge after middle temperature heat exchanger, finally enter the first absorber through low temperature heat exchanger again, the first solution pump absorbs first again
The weak solution of device is extracted out, and the second absorber is returned to through low temperature heat exchanger.The cryogen that solution concentration is produced in high pressure generator steams
Vapour enters low pressure generator, enters condenser after release heat condensation, the refrigerant vapour that solution concentration is produced in low pressure generator
Also into condenser, two-way refrigerant vapour is returned in the second evaporator and the first evaporator after being condensed within the condenser.It is high
Warm driving heat source flows through high pressure generator, and release thermal discharge drives whole unit operation；Water at low temperature flows through the cooling of the first evaporator；
The middle tunnels of warm water Shi Fen tri-, series connection flows through the second evaporator and the first absorber is first lowered the temperature and heated up afterwards all the way, and two-way flows respectively in addition
Heated up through the second absorber and condenser；It can also be a point two-way, and series connection all the way flows through the second evaporator and the first absorber,
Another road random order series connection flows through the second absorber and condenser；It can also be a point two-way, and series connection all the way flows through the second steaming
Hair device and the first absorber, another road then flow through any one in the second absorber and condenser, and two path water flows again after converging
Through another in the second absorber and condenser；Or point two-way, first connect flow through the second evaporator and the first suction all the way
After receiving device, any one in the second absorber and condenser is passed through, another road is then flowed through in the second absorber and condenser
Another.
The beneficial effects of the utility model are：
Compared with existing superposition type economic benefits and social benefits unit, the utility model eliminates closed cycle water and water pump, is changed to therefrom
Separate to come in warm water and substitute the closed cycle water, warm water enters back into the first suction after first lowering the temperature in the second evaporator in the road
Receive intensification in device.For the superposition type economic benefits and social benefits unit of some operating modes, this middle warm water, its temperature all the way after being heated up through the first absorber
Degree can be higher than that middle warm water enter the temperature of unit, that is to say, that this heat that middle warm water absorbs in the first absorber all the way can be with
More than the heat that it discharges in the second evaporator, the refrigerating capacity of the second evaporator can be less than the first absorption in other words
The heat exchange amount of device, so as to reduce whole superposition type economic benefits and social benefits unit need consumption high temperature heat source, using suction-type lithium bromide economic benefits and social benefits
Refrigeration principle come the refrigerating capacity freezed, such that it is able to improve the COP of superposition type economic benefits and social benefits unit.
By taking 12/7 DEG C of water at low temperature out temperature, 40/45 DEG C of middle warm water out temperature as an example, due to lithium bromide weak solution
The reason for concentration and high pressure generator pressure, 40 DEG C of the middle warm water is not suitable for being directly entered the first absorber 7.But using this specially
After a part of 40 DEG C middle warm water is cooled to 34 DEG C or so by the superposition type economic benefits and social benefits unit of profit in the second evaporator 10, the part
Middle warm water can enter in the first absorber 7, and its temperature can be lifted to 42 DEG C or so in the first absorber 7.The portion
Temperature rise of the warm water in the first absorber 7 is 8 DEG C in point, and its temperature drop in the second evaporator 10 is 6 DEG C, i.e., the second evaporation
The refrigerating capacity of device 10 about only has the 75% of the heat exchange amount of the first absorber 7, and the heat exchange amount by the first absorber 7 is that the first evaporator 8 is made
1.2 times of cold consider that then the refrigerating capacity of the second evaporator 10 about only has 0.9 times of the refrigerating capacity of the first evaporator 8.That is
Using after the superposition type economic benefits and social benefits unit of this patent, it is necessary to consume high temperature driven heat energy, former using suction-type lithium bromide dual-effect refrigeration
The overall refrigerating effect for managing to freeze about only has 1.9 times of the water at low temperature refrigerating capacity of the first evaporator 8, it will again be assumed that suction-type lithium bromide economic benefits and social benefits
The COP of refrigeration unit is 1.4, then the COP of this patent superposition type economic benefits and social benefits unit can reach about 1.4 ÷ 1.9=0.737, multiple with existing
The 0.636 of stacked unit is compared, and improves about 15.9%.
Brief description of the drawings
Fig. 1 is the fundamental diagram of conventional superposition type solution and serial double-effect lithium bromide absorption type refrigeration heat pump unit.
Fig. 2 is a kind of application of the utility model superposition type solution and serial double-effect lithium bromide absorption type refrigeration heat pump unit
Example.
Fig. 3 should for the another kind of the utility model superposition type solution and serial double-effect lithium bromide absorption type refrigeration heat pump unit
Use example.
Reference in figure：
Low pressure generator 1, high pressure generator 2, condenser 3, high-temperature heat exchanger 4, middle temperature heat exchanger 5, Low Temperature Thermal are handed over
Parallel operation 6, the first absorber 7, the first evaporator 8, the second absorber 9, the second evaporator 10, the first cryogenic fluid pump 11, the first solution
Pump 12, the second solution pump 13, cryogen communicating pipe 14, recirculating water pump 15, the second cryogenic fluid pump 16.
Water at low temperature enters A1, and water at low temperature goes out A2, and middle warm water enters B1, and middle warm water goes out B2, and thermal source enters C1, and thermal source goes out C2.
Specific embodiment
Fig. 2 is the superposition type solution and serial double-effect lithium bromide absorption type refrigeration heat pump unit involved by the utility model
（Hereinafter referred to as superposition type economic benefits and social benefits unit, or unit）A kind of exemplary application map, the unit by low pressure generator 1, high pressure occur
Device 2, condenser 3, high-temperature heat exchanger 4, middle temperature heat exchanger 5, low temperature heat exchanger 6, the first absorber 7, the first evaporator
8th, the second absorber 9, the second evaporator 10, the first cryogenic fluid pump 11, the first solution pump 12, the second solution pump 13, cryogen communicating pipe
14 and pipeline, the valve etc. of control system and connecting components constitute.First evaporator 8 and the first absorber 7 are in a chamber
In vivo, the second evaporator 10 and the second absorber 9 be in another cavity, the first evaporator 8 and the second evaporator 10 it is cold
Agent water is connected by cryogen communicating pipe 14.Water at low temperature flows through the first evaporator 8 and lowers the temperature；Middle warm water point three tunnels, all the way series connection flows through the
Two evaporators 10 and the first absorber 7（First lower the temperature and heat up afterwards）, another two-way flows separately through the second absorber 9 and condenser 3 heats up；
High temperature driven thermal source flows through high pressure generator 2, and release thermal discharge drives whole unit operation.During unit operation, by the first cryogen
Pump 11 extract out after water as refrigerant under the first evaporator 8 and the spray of the top of the second evaporator 10, respectively with flow through the first evaporator 8 and pass
Middle warm water heat exchange in water at low temperature and the heat-transfer pipe of the second evaporator 10 in heat pipe, the reduction of its temperature itself is then vaporized into cold
The first absorber 7 and the second absorber 9 are respectively enterd after agent steam, is absorbed by lithium-bromide solution therein and is discharged heat
Flow through the middle warm water in its heat-transfer pipe, the lithium-bromide solution series connection of the first absorber 7 and the second absorber 9, lithium bromide concentrated solution
First absorb in the first absorber 7 refrigerant vapour and concentration it is thinning after, extracted out by the first solution pump 12, through low temperature heat exchanger 6
Heat exchange enters in the second absorber 9 after heating up, and concentration is further thinning after absorbing refrigerant vapour again, finally again by the second solution
Pump 13 is extracted out, and point two-way enters high pressure generator 2, low after being heated up through high-temperature heat exchanger 4, the heat exchange of middle temperature heat exchanger 5 respectively
In pressure generator 1.Lithium bromide weak solution in high pressure generator 2 is heated by high temperature heat source and concentrated, the lithium-bromide solution after concentration
Enter in low temperature heat exchanger 6 after the heat exchange cooling of high-temperature heat exchanger 4, the lithium bromide weak solution in low pressure generator 1 is high
The high temperature refrigerant vapour heating concentration that solution concentration is produced in pressure generator 2, warms in the lithium-bromide solution warp after concentration and exchanges
Also into low temperature heat exchanger 6 after the heat exchange cooling of device 5, two-way solution is exchanged heat after cooling again in low temperature heat exchanger 6
Come back to and absorb refrigerant vapour in the first absorber 7；And the refrigerant vapour that solution concentration is produced in high pressure generator 2 is in low pressure
Condensed after heat is discharged in generator 1, the refrigerant vapour produced with solution concentration in low pressure generator 1 enters in condenser 3
Lowered the temperature by middle warm water and condense, the water as refrigerant being condensed into returns to the second evaporator 10 and returns to the first steaming by cryogen communicating pipe 14
In hair device 8.
In superposition type solution shown in Fig. 2 and serial double-effect lithium bromide absorption type refrigeration heat pump unit, middle warm water is points three
Road, all the way series connection flows through the second evaporator 10 and the first absorber 7, and another two-way flows separately through the second absorber 9 and condenser 3；
It can also be a point two-way, and series connection all the way flows through the second evaporator 10 and the first absorber 7, and another road random order series connection is flowed through
Second absorber 9 and condenser 3；It can also be a point two-way, and series connection all the way flows through the second evaporator 10 and the first absorber 7,
Another road then flows through any one in the second absorber 9 and condenser 3, and two path water passes through the He of the second absorber 9 after converging
Another in condenser 3；Or point two-way, after first series connection flows through the second evaporator 10 and the first absorber 7 all the way, then flow
Through any one in the second absorber 9 and condenser 3, another road then flows through another in the second absorber 9 and condenser 3
It is individual.
Fig. 3 is the superposition type solution and serial double-effect lithium bromide absorption type refrigeration heat pump unit involved by the utility model
（Hereinafter referred to as superposition type economic benefits and social benefits unit, or unit）Another exemplary application map, the unit is by low pressure generator 1, pressure high
Raw device 2, condenser 3, high-temperature heat exchanger 4, middle temperature heat exchanger 5, low temperature heat exchanger 6, the first absorber 7, first evaporate
Device 8, the second absorber 9, the second evaporator 10, the first cryogenic fluid pump 11, the first solution pump 12, the connection of the second solution pump 13, cryogen
Pipeline, valve of pipe 14, the second cryogenic fluid pump 16 and control system and connecting components etc. are constituted.First evaporator 8 and first is inhaled
Device 7 is received to be in a cavity, the second evaporator 10 and the second absorber 9 in another cavity, the first evaporator 8 and the
The water as refrigerant of two evaporators 10 is connected by cryogen communicating pipe 14.Water at low temperature flows through the first evaporator 8 and lowers the temperature；Three tunnels of middle warm water point,
Series connection all the way flows through the second evaporator 10 and the first absorber 7（First lower the temperature and heat up afterwards）, another two-way flows separately through the second absorber 9
Heated up with condenser 3；High temperature driven thermal source flows through high pressure generator 2, and release thermal discharge drives whole unit operation.Unit operation
When, water as refrigerant after being extracted out by the first cryogenic fluid pump 11 under the spray of the top of the first evaporator 8 and after being extracted out by the second cryogenic fluid pump 16 from
Water as refrigerant under the spray of the top of second evaporator 10, evaporates with the water at low temperature flowed through in the heat-transfer pipe of the first evaporator 8 and second respectively
Middle warm water heat exchange in the heat-transfer pipe of device 10, by the reduction of its temperature, itself is then vaporized into refrigerant vapour, respectively enters the first absorber
7 and second absorber 9, absorbed by lithium-bromide solution therein and discharge the middle warm water during heat flows through its heat-transfer pipe,
The lithium-bromide solution series connection of one absorber 7 and the second absorber 9, lithium bromide concentrated solution first absorbs cryogen in the first absorber 7
Steam and concentration it is thinning after, extracted out by the first solution pump 12, through low temperature heat exchanger 6 heat exchange heat up after enter the second absorber 9
In, concentration is further thinning after absorbing refrigerant vapour again, is finally extracted out by the second solution pump 13 again, and point two-way is respectively through high temperature
Heat exchanger 4, the heat exchange of middle temperature heat exchanger 5 enter in high pressure generator 2, low pressure generator 1 after heating up.In high pressure generator 2
Lithium bromide weak solution heated by high temperature heat source and concentrate, lithium-bromide solution after concentration is after the heat exchange cooling of high-temperature heat exchanger 4
Into in low temperature heat exchanger 6, what the lithium bromide weak solution in low pressure generator 1 was produced by solution concentration in high pressure generator 2
The heating of high temperature refrigerant vapour is concentrated, and the lithium-bromide solution after concentration is in also into Low Temperature Thermal after the heat exchange of temperature heat exchanger 5 cooling
In exchanger 6, two-way solution absorbs in coming back to the first absorber 7 after being lowered the temperature by heat exchange again in low temperature heat exchanger 6
Refrigerant vapour；And the refrigerant vapour that solution concentration is produced in high pressure generator 2 is condensed after discharging heat in low pressure generator 1,
The refrigerant vapour produced with solution concentration in low pressure generator 1 enters in condenser 3 by the cooling condensation of middle warm water, is condensed into
Water as refrigerant return to the second evaporator 10 and by returning to the first evaporator 8 cryogen communicating pipe 14 in.
In superposition type solution shown in Fig. 3 and serial double-effect lithium bromide absorption type refrigeration heat pump unit, middle warm water is points three
Road, all the way series connection flows through the second evaporator 10 and the first absorber 7, and another two-way flows separately through the second absorber 9 and condenser 3；
It can also be a point two-way, and series connection all the way flows through the second evaporator 10 and the first absorber 7, and another road random order series connection is flowed through
Second absorber 9 and condenser 3；It can also be a point two-way, and series connection all the way flows through the second evaporator 10 and the first absorber 7,
Another road then flows through any one in the second absorber 9 and condenser 3, and two path water passes through the He of the second absorber 9 after converging
Another in condenser 3；Or point two-way, after first series connection flows through the second evaporator 10 and the first absorber 7 all the way, then flow
Through any one in the second absorber 9 and condenser 3, another road then flows through another in the second absorber 9 and condenser 3
It is individual.
Claims (3)
1. a kind of superposition type solution and serial double-effect lithium bromide absorption type refrigeration heat pump unit, including：Low pressure generator（1）, it is high
Pressure generator（2）, condenser（3）, high-temperature heat exchanger（4）, middle temperature heat exchanger（5）, low temperature heat exchanger（6）, first inhale
Receive device（7）, the first evaporator（8）, the second absorber（9）, the second evaporator（10）, the first cryogenic fluid pump（11）, the first solution pump
（12）, the second solution pump（13）With cryogen communicating pipe（14）, the first evaporator（8）With the first absorber（7）In a cavity
It is interior, and it is equipped with the first solution pump（12）, the second evaporator（10）With the second absorber（9）In another cavity, and it is equipped with
Second solution pump（13）；First evaporator（8）With the second evaporator（10）Water as refrigerant by cryogen communicating pipe（14）Connection；Second
Solution pump（13）By the second absorber（9）In weak solution extract out, point two-way is respectively through high-temperature heat exchanger（4）, it is middle warm hand over
Parallel operation（5）It is sent to high pressure generator（2）, low pressure generator（1）, solution is again through high-temperature heat exchanger after concentration（4）, it is middle warm hand over
Parallel operation（5）Into low temperature heat exchanger（6）, finally enter back into the first absorber（7）, the first solution pump（12）First is absorbed again
Device（7）Weak solution extract out, through low temperature heat exchanger（6）Return to the second absorber（9）；High pressure generator（2）Middle solution concentration
The refrigerant vapour of generation is by low pressure generator（1）Enter condenser after exothermic condensation（3）, low pressure generator（1）Middle solution is dense
The refrigerant vapour for producing contract also into condenser（3）, the second evaporator is returned after condensation（10）With the first evaporator（8）In；
High temperature heat source flows through high pressure generator（2）；Water at low temperature flows through the first evaporator（8）；It is characterized in that：The middle tunnels of warm water Shi Fen tri-,
Series connection all the way flows through the second evaporator（10）With the first absorber（7）, another two-way flows separately through the second absorber（9）And condenser
（3）；Or：Middle warm water is a point two-way, and series connection all the way flows through the second evaporator（10）With the first absorber（7）, another road is any
Sequential series flow through the second absorber（9）And condenser（3）；Or：Middle warm water is a point two-way, and series connection all the way flows through the second evaporation
Device（10）With the first absorber（7）, another road then flows through the second absorber（9）And condenser（3）In any one, two path water
The second absorber is passed through after converging（9）And condenser（3）In another；Or：Middle warm water is a point two-way, is first connected all the way
Flow through the second evaporator（10）With the first absorber（7）Afterwards, the second absorber is passed through（9）And condenser（3）In it is any one
Individual, another road then flows through the second absorber（9）And condenser（3）In another.
2. a kind of superposition type solution according to claim 1 and serial double-effect lithium bromide absorption type refrigeration heat pump unit, its
It is characterised by：By the first cryogenic fluid pump（11）From the first evaporator after extraction（8）With the second evaporator（10）Cryogen under the spray of top
Water, respectively with flow through the first evaporator（8）Water at low temperature and the second evaporator in heat-transfer pipe（10）Middle warm water in heat-transfer pipe is changed
Heat.
3. a kind of superposition type solution according to claim 1 and serial double-effect lithium bromide absorption type refrigeration heat pump unit, its
It is characterised by：By the first cryogenic fluid pump（11）From the first evaporator after extraction（8）Top spray under water as refrigerant and by the second cryogenic fluid pump
（16）From the second evaporator after extraction（10）Top spray under water as refrigerant, respectively with flow through the first evaporator（8）In heat-transfer pipe
Water at low temperature and the second evaporator（10）Middle warm water heat exchange in heat-transfer pipe.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621238919.5U CN206247692U (en) | 2016-11-19 | 2016-11-19 | Superposition type solution and serial double-effect lithium bromide absorption type refrigeration heat pump unit |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621238919.5U CN206247692U (en) | 2016-11-19 | 2016-11-19 | Superposition type solution and serial double-effect lithium bromide absorption type refrigeration heat pump unit |
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| CN206247692U true CN206247692U (en) | 2017-06-13 |
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| CN201621238919.5U Withdrawn - After Issue CN206247692U (en) | 2016-11-19 | 2016-11-19 | Superposition type solution and serial double-effect lithium bromide absorption type refrigeration heat pump unit |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106482384A (en) * | 2016-11-19 | 2017-03-08 | 双良节能系统股份有限公司 | Superposition type solution serial double-effect lithium bromide absorption type refrigeration heat pump unit |
-
2016
- 2016-11-19 CN CN201621238919.5U patent/CN206247692U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106482384A (en) * | 2016-11-19 | 2017-03-08 | 双良节能系统股份有限公司 | Superposition type solution serial double-effect lithium bromide absorption type refrigeration heat pump unit |
| CN106482384B (en) * | 2016-11-19 | 2019-07-19 | 双良节能系统股份有限公司 | Superposition type solution and serial double-effect lithium bromide absorption type refrigeration heat pump unit |
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