CN206247688U - Superposition type solution parallel double-effect lithium bromide absorption type refrigeration heat pump unit - Google Patents

Superposition type solution parallel double-effect lithium bromide absorption type refrigeration heat pump unit Download PDF

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Publication number
CN206247688U
CN206247688U CN201621238905.3U CN201621238905U CN206247688U CN 206247688 U CN206247688 U CN 206247688U CN 201621238905 U CN201621238905 U CN 201621238905U CN 206247688 U CN206247688 U CN 206247688U
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evaporator
absorber
pressure generator
water
condenser
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CN201621238905.3U
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贺湘晖
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Shuangliang Eco Energy Systems Co Ltd
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Shuangliang Eco Energy Systems Co Ltd
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A30/00Adapting or protecting infrastructure or their operation
    • Y02A30/27Relating to heating, ventilation or air conditioning [HVAC] technologies
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B30/00Energy efficient heating, ventilation or air conditioning [HVAC]
    • Y02B30/62Absorption based systems

Abstract

The utility model is related to a kind of superposition type solution parallel 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), low temperature heat exchanger(5), the first absorber(6), the first evaporator(7), the second absorber(8), the second evaporator(9), the first absorber(6)With the second absorber(8)Lithium-bromide solution it is in parallel, weak solution parallel connection flows through high pressure generator(2)And low pressure generator(1)Concentration;High temperature heat source flows through high pressure generator(2);Water at low temperature flows through the first evaporator(7);The middle tunnels of warm water Shi Fen tri-, all the way series connection flows through the second evaporator(9)With the first absorber(6), another two-way flows separately through the second absorber(8)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

Superposition type solution parallel double-effect lithium bromide absorption type refrigeration heat pump unit
Technical field
The utility model is related to a kind of superposition type solution parallel double-effect lithium bromide absorption type refrigeration heat pump unit.Belong to air-conditioning Equipment technical field.
Background technology
Existing superposition type solution parallel double-effect lithium bromide absorption type refrigeration heat pump unit(Hereinafter referred to as superposition type double-effect unit Group, or unit)As shown in figure 1, being handed over by low pressure generator 1, high pressure generator 2, condenser 3, high-temperature heat exchanger 4, Low Temperature Thermal Parallel operation 5, the first absorber 6, the first evaporator 7, the second absorber 8, the second evaporator 9, the first cryogenic fluid pump 10, solution pump 11, Cryogen communicating pipe 12, recirculating water pump 13 and control system(Not shown in figure)And the pipeline of connecting components, valve are constituted.It is low Warm water(The cold water of refrigeration unit or the remaining hot water of source pump, similarly hereinafter)The first evaporator 7 is flowed through to lower the temperature;Middle warm water(Refrigeration machine The cooling water of group or the hot water of source pump, similarly hereinafter)Flow through the second absorber 8 and condenser 3 heats up;High temperature driven thermal source is flowed through High pressure generator 2, release thermal discharge drives whole unit operation;There is recirculated water all the way to be driven by recirculating water pump 13 in addition, The closed cycle between the first absorber 6 and the second evaporator 9.During unit operation, extracted out by the first cryogenic fluid pump 10 and steamed from first Water as refrigerant under the top spray of hair device 7 absorbs the heat for flowing through water at low temperature in the heat-transfer pipe of the first evaporator 7, first is entered after vaporization and is inhaled Device 6 is received, is absorbed by lithium bromide concentrated solution therein, and discharge the recirculated water during heat flows through the heat-transfer pipe of the first absorber 6; Recirculated water after temperature is raised by recirculating water pump 13 sends into the heat-transfer pipe of the second evaporator 9, is taken out by the first cryogenic fluid pump 10 Water as refrigerant after going out under the spray of top exchanges heat and lowers the temperature, and comes back to absorbent solution release in the first absorber 6 after temperature reduction again Heat, and water as refrigerant in the second evaporator 9 absorbs and vaporize after heat and enter the second absorber 8, by lithium bromide therein Solution absorbs;Concentration is thinning after lithium bromide concentrated solution absorbs refrigerant vapour in first absorber 6 and the second absorber 8, by solution Enter high pressure generator 2, low after pump 11 is extracted out and point two-way heats up through high-temperature heat exchanger 4, the heat exchange of low 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 bromination in low pressure generator 1 Lithium weak solution heats concentration, the lithium-bromide solution after concentration by the high temperature refrigerant vapour that solution concentration in high pressure generator 2 is produced Inhaled in returning to the first absorber 6 and the second absorber 8 after high-temperature heat exchanger 4, the heat exchange cooling of low temperature heat exchanger 5 respectively again Receive refrigerant vapour;And the refrigerant vapour that solution concentration is produced in high pressure generator 2 is cold after discharging heat in low pressure generator 1 It is solidifying, enter in condenser 3 with the refrigerant vapour of solution concentration generation in low pressure generator 1 and condensed by the cooling of middle warm water, condensation Into water as refrigerant return to the second evaporator 9 and by returning to the first evaporator 7 cryogen communicating pipe 12 in.
In superposition type economic benefits and social benefits unit, the heat extracted from the water at low temperature of the first evaporator 7 is flowed through is advanced becoming a mandarin In closed cycle water through the first absorber 6, then the heat extraction in the closed cycle water is gone out again in the second evaporator 9 Could enter in the middle warm water for flowing through the second absorber 8 after coming.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, former using suction-type lithium bromide dual-effect refrigeration The water at low temperature to flowing through the first evaporator 7 is managed to freeze(Heat therein is extracted, similarly hereinafter)Outward, also need also exist for consuming high temperature Drive heat energy, the closed cycle water for flowing through the second evaporator 9 is freezed using suction-type lithium bromide dual-effect refrigeration principle.Enclosed is followed The heat that ring water discharges in the second evaporator 9(Also referred to as refrigerating capacity)It is exactly heat that it absorbs in the first absorber 6, for For lithium bromide absorption-type machine unit, the heat exchange amount in absorber is about 1.2 times of correspondence evaporator capacity.Therefore, overlapping Formula 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 energy, utilize Suction-type lithium bromide dual-effect refrigeration principle is freezed to water at low temperature and recirculated water simultaneously, and overall refrigerating effect is approximately water at low temperature heat 2.2 times, 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 approximately 1.4 ÷ 2.2=0.636.If improving the COP of superposition type economic benefits and social benefits unit, a kind of approach is the effect of lifting dual-effect refrigeration circulation as far as possible Rate(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 by the second steaming Send out the refrigeration demand of device 9.
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 parallel double-effect lithium bromide absorbing type refrigeration heat Pump assembly, including:Low pressure generator, high pressure generator, condenser, high-temperature heat exchanger, low temperature heat exchanger, first absorb Device, the first evaporator, the second absorber, the second evaporator, the first cryogenic fluid pump, solution pump and cryogen communicating pipe, the first evaporator It is in a cavity with the first absorber, the second evaporator and the second absorber are in another cavity, two absorbers Common solution pump;The water as refrigerant of the first evaporator and the second evaporator is connected by cryogen communicating pipe.Solution pump is by the first absorber Extracted out with the weak solution in the second absorber, point two-way is sent to low pressure through low temperature heat exchanger, high-temperature heat exchanger respectively to be occurred Device, high pressure generator, the solution after concentration return to the first absorber and through low temperature heat exchanger, high-temperature heat exchanger respectively again Two absorbers.The refrigerant vapour that solution concentration is produced in high pressure generator enters low pressure generator, enters after release heat condensation Condenser, also into condenser, two-way refrigerant vapour is within the condenser for the refrigerant vapour that solution concentration is produced in low pressure generator In returning the second evaporator and the first evaporator after being condensed.High temperature driven thermal source flows through high pressure generator, discharges thermal discharge Drive whole unit operation;Water at low temperature flows through the cooling of the first evaporator;The middle tunnels of warm water Shi Fen tri-, all the way series connection flows through the second evaporation Device and the first absorber are first lowered the temperature and are heated up afterwards, and two-way flows separately through the second absorber and condenser heats up in addition;It can also be Point two-way, all the way series connection flows through the second evaporator and the first absorber, another road random order series connection flow 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, and another road then flows through the second suction Receive any one in device and condenser, two path water passes through another in the second absorber and condenser after converging;Or It is a point two-way, after first series connection flows through the second evaporator and the first absorber all the way, in passing through the second absorber and condenser Any one, another road then flows through another in the second absorber and condenser.
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 such as concentration and high pressure generator pressure, 40 DEG C of the middle warm water cannot directly enter the first absorber 6.But use this patent Superposition type economic benefits and social benefits unit 40 DEG C of middle warm water of a part is cooled to 34 DEG C or so in the second evaporator 9 after, in the part Warm water can enter in the first absorber 6, and its temperature can be lifted to 42 DEG C or so in the first absorber 6.The part Temperature rise of the middle warm water in the first absorber 6 is 8 DEG C, and its temperature drop in the second evaporator 9 is 6 DEG C, i.e. the second evaporator 9 Refrigerating capacity about only have the heat exchange amount of the first absorber 6 75%, the heat exchange amount by the first absorber 6 is the refrigerating capacity of the first evaporator 7 1.2 times of considerations, then the refrigerating capacity of the second evaporator 9 about there was only 0.9 times of the refrigerating capacity of the first evaporator 7.That is use After the superposition type economic benefits and social benefits unit of this patent, it is necessary to consume high temperature driven heat energy, using suction-type lithium bromide dual-effect refrigeration principle come The overall refrigerating effect of refrigeration about only has 1.9 times of the water at low temperature refrigerating capacity of the first evaporator 7, it will again be assumed that suction-type lithium bromide dual-effect refrigeration The COP of 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, with existing superposition type The 0.636 of unit is compared, and improves about 15.9%.
Brief description of the drawings
Fig. 1 is the fundamental diagram of conventional superposition type solution parallel double-effect lithium bromide absorption type refrigeration heat pump unit.
Fig. 2 is real for a kind of application of the utility model superposition type solution parallel double-effect lithium bromide absorption type refrigeration heat pump unit Example.
Fig. 3 is another application of the utility model superposition type solution parallel double-effect lithium bromide absorption type refrigeration heat pump unit Example.
Reference in figure:
Low pressure generator 1, high pressure generator 2, condenser 3, high-temperature heat exchanger 4, low temperature heat exchanger 5, first absorb Device 6, the first evaporator 7, the second absorber 8, the second evaporator 9, the first cryogenic fluid pump 10, solution pump 11, cryogen communicating pipe 12, follow Ring water water pump 13, the second cryogenic fluid pump 14.
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 parallel double-effect lithium bromide absorption type refrigeration heat pump unit involved by the utility model(With Lower abbreviation 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 generator 2, Condenser 3, high-temperature heat exchanger 4, low temperature heat exchanger 5, the first absorber 6, the first evaporator 7, the second absorber 8, second Evaporator 9, the first cryogenic fluid pump 10, solution pump 11, pipeline, the valve of cryogen communicating pipe 12 and control system and connecting components Deng composition.In a cavity, the second evaporator 9 and the second absorber 8 are in another for first evaporator 7 and the first absorber 6 In one cavity, the first evaporator 7 is connected with the water as refrigerant of the second evaporator 9 by cryogen communicating pipe 12.Water at low temperature flows through first Evaporator 7 is lowered the temperature;Three tunnels of middle warm water point, all the way series connection flows through the second evaporator 9 and the first absorber 6(First lower the temperature and heat up afterwards), Another two-way flows separately through the second absorber 8 and condenser 3 heats up;High temperature driven thermal source flows through high pressure generator 2, discharges thermal discharge Drive whole unit operation.During unit operation, pushed up from the first evaporator 7 and the second evaporator 9 after being extracted out by the first cryogenic fluid pump 10 Portion spray under water as refrigerant, respectively with the water at low temperature and the heat-transfer pipe of the second evaporator 9 flowed through in the heat-transfer pipe of the first evaporator 7 in Warm water exchanges heat, and by the reduction of its temperature, the first absorber 6 and the second absorber 8 is respectively enterd after itself being then vaporized into refrigerant vapour, Absorbed by lithium-bromide solution therein and discharge the middle warm water during heat flows through its heat-transfer pipe, the first absorber 6 and second The lithium-bromide solution of absorber 8 concentration after refrigerant vapour is absorbed is thinning, is extracted out by solution pump 11 and point two-way is respectively through high temperature Heat exchanger 4, the heat exchange of low 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 by high temperature heat source heat concentrate, the lithium bromide weak solution in low pressure generator 1 is by molten in high pressure generator 2 The high temperature refrigerant vapour heating concentration that liquid concentration is produced, the lithium-bromide solution after concentration is again respectively through high-temperature heat exchanger 4, low temperature The heat exchange of heat exchanger 5 absorbs refrigerant vapour during the first absorber 6 and the second absorber 8 are come back to after lowering the temperature;And high pressure occurs The refrigerant vapour that solution concentration is produced in device 2 is condensed after discharging heat in low pressure generator 1, with solution in low pressure generator 1 Concentrate the refrigerant vapour for producing to enter by the cooling condensation of middle warm water in condenser 3, the water as refrigerant being condensed into returns to the second steaming Hair device 9 and by returning to the first evaporator 7 cryogen communicating pipe 12 in.
In superposition type solution parallel double-effect lithium bromide absorption type refrigeration heat pump unit shown in Fig. 2, the middle tunnels of warm water Shi Fen tri-, Series connection all the way flows through the second evaporator 9 and the first absorber 6, and another two-way flows separately through the second absorber 8 and condenser 3;Its Can be a point two-way, series connection all the way flows through the second evaporator 9 and the first absorber 6, and another road random order series connection flows through second Absorber 8 and condenser 3;It can also be a point two-way, and series connection all the way flows through the second evaporator 9 and the first absorber 6, Ling Yilu Any one in the second absorber 8 and condenser 3 is then flowed through, two path water passes through the second absorber 8 and condenser 3 after converging In another;Or point two-way, after first series connection flows through the second evaporator 9 and the first absorber 6 all the way, pass through the second suction Receive any one in device 8 and condenser 3, another road then flows through another in the second absorber 8 and condenser 3.
Fig. 3 is the superposition type solution parallel double-effect lithium bromide absorption type refrigeration heat pump unit involved by the utility model(With Lower abbreviation 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 generator 2, Condenser 3, high-temperature heat exchanger 4, low temperature heat exchanger 5, the first absorber 6, the first evaporator 7, the second absorber 8, second Evaporator 9, the first cryogenic fluid pump 10, solution pump 11, cryogen communicating pipe 12, the second cryogenic fluid pump 14 and control system and each portion of connection Pipeline, valve of part etc. are constituted.In a cavity, the second evaporator 9 and second is inhaled for first evaporator 7 and the first absorber 6 Receive device 8 to be in another cavity, the first evaporator 7 is connected with the water as refrigerant of the second evaporator 9 by cryogen communicating pipe 12.Low temperature Water flows through the first evaporator 7 and lowers the temperature;Three tunnels of middle warm water point, all the way series connection flows through the second evaporator 9 and the first absorber 6(First drop Heated up after temperature), another two-way flows separately through the second absorber 8 and condenser 3 heats up;High temperature driven thermal source flows through high pressure generator 2, Release thermal discharge drives whole unit operation.During unit operation, under being sprayed from the first evaporator 7 after being extracted out by the first cryogenic fluid pump 10 Water as refrigerant and the water as refrigerant after being extracted out by the second cryogenic fluid pump 14 under the spray of the top of the second evaporator 9, respectively with flow through the first evaporation Middle warm water heat exchange in water at low temperature and the heat-transfer pipe of the second evaporator 9 in the heat-transfer pipe of device 7, by the reduction of its temperature, itself is then vaporized The first absorber 6 and the second absorber 8 are respectively enterd after into refrigerant vapour, is absorbed by lithium-bromide solution therein and is discharged heat Heating flows through middle warm water in its heat-transfer pipe, and the lithium-bromide solution of the first absorber 6 and the second absorber 8 is absorbing refrigerant vapour Concentration is thinning afterwards, is extracted out by solution pump 11 and point two-way exchanges heat after heating up through high-temperature heat exchanger 4, low temperature heat exchanger 5 respectively Into in high pressure generator 2, low pressure generator 1.Lithium bromide weak solution in high pressure generator 2 is heated by high temperature heat source and concentrated, Lithium bromide weak solution in low pressure generator 1 heats concentration by the high temperature refrigerant vapour that solution concentration in high pressure generator 2 is produced, Lithium-bromide solution after concentration comes back to the first suction after high-temperature heat exchanger 4, the heat exchange cooling of low temperature heat exchanger 5 respectively again Refrigerant vapour is absorbed in the receipts absorber 8 of device 6 and second;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 9 and returns to the first steaming by cryogen communicating pipe 12 In hair device 7.
In superposition type solution parallel double-effect lithium bromide absorption type refrigeration heat pump unit shown in Fig. 3, the middle tunnels of warm water Shi Fen tri-, Series connection all the way flows through the second evaporator 9 and the first absorber 6, and another two-way flows separately through the second absorber 8 and condenser 3;Its Can be a point two-way, series connection all the way flows through the second evaporator 9 and the first absorber 6, and another road random order series connection flows through second Absorber 8 and condenser 3;It can also be a point two-way, and series connection all the way flows through the second evaporator 9 and the first absorber 6, Ling Yilu Any one in the second absorber 8 and condenser 3 is then flowed through, two path water passes through the second absorber 8 and condenser 3 after converging In another;Or point two-way, after first series connection flows through the second evaporator 9 and the first absorber 6 all the way, pass through the second suction Receive any one in device 8 and condenser 3, another road then flows through another in the second absorber 8 and condenser 3.

Claims (3)

1. a kind of superposition type solution parallel double-effect lithium bromide absorption type refrigeration heat pump unit, including:Low pressure generator(1), high pressure Generator(2), condenser(3), high-temperature heat exchanger(4), low temperature heat exchanger(5), the first absorber(6), the first evaporator (7), the second absorber(8), the second evaporator(9), the first cryogenic fluid pump(10), solution pump(11)With cryogen communicating pipe(12), the One evaporator(7)With the first absorber(6)In a cavity, the second evaporator(9)With the second absorber(8)In another In individual cavity;First evaporator(7)With the second evaporator(9)Water as refrigerant by cryogen communicating pipe(12)Connection;Solution pump(11) By the first absorber(6)With the second absorber(8)In weak solution extract out, point two-way is respectively through high-temperature heat exchanger(4), low temperature Heat exchanger(5)It is sent to high pressure generator(2), low pressure generator(1), solution is again respectively through high-temperature heat exchanger after concentration(4)、 Low temperature heat exchanger(5)Into the first absorber(6)With the second absorber(8);High pressure generator(2)What middle solution concentration was produced Refrigerant vapour is by low pressure generator(1)Enter condenser after exothermic condensation(3), low pressure generator(1)Middle solution concentration is produced Refrigerant vapour also into condenser(3), the second evaporator is returned after condensation(9)With the first evaporator(7)In;High temperature heat source Flow through high pressure generator(2);Water at low temperature flows through the first evaporator(7);It is characterized in that:The middle tunnels of warm water Shi Fen tri-, connect all the way Flow through the second evaporator(9)With the first absorber(6), another two-way flows separately through the second absorber(8)And condenser(3);Or: Middle warm water is a point two-way, and series connection all the way flows through the second evaporator(9)With the first absorber(6), another road random order serial flow Through the second absorber(8)And condenser(3);Or:Middle warm water is a point two-way, and series connection all the way flows through the second evaporator(9)With One absorber(6), another road then flows through the second absorber(8)And condenser(3)In any one, two path water flows again after converging Through the second absorber(8)And condenser(3)In another;Or:Middle warm water is a point two-way, and first series connection flows through the second steaming all the way Hair device(9)With the first absorber(6)Afterwards, the second absorber is passed through(8)And condenser(3)In any one, another road is then Flow through the second absorber(8)And condenser(3)In another.
2. a kind of superposition type solution parallel double-effect lithium bromide absorption type refrigeration heat pump unit according to claim 1, it is special Levy and be:By the first cryogenic fluid pump(10)From the first evaporator after extraction(7)With the second evaporator(9)Water as refrigerant under the spray of top, Respectively with flow through the first evaporator(7)Water at low temperature and the second evaporator in heat-transfer pipe(9)Middle warm water heat exchange in heat-transfer pipe.
3. a kind of superposition type solution parallel double-effect lithium bromide absorption type refrigeration heat pump unit according to claim 1, it is special Levy and be:By the first cryogenic fluid pump(10)From the first evaporator after extraction(7)Top spray under water as refrigerant and by the second cryogenic fluid pump (14)From the second evaporator after extraction(9)Top spray under water as refrigerant, respectively with flow through the first evaporator(7)It is low in heat-transfer pipe Warm water and the second evaporator(9)Middle warm water heat exchange in heat-transfer pipe.
CN201621238905.3U 2016-11-19 2016-11-19 Superposition type solution parallel double-effect lithium bromide absorption type refrigeration heat pump unit Withdrawn - After Issue CN206247688U (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106403354A (en) * 2016-11-19 2017-02-15 双良节能系统股份有限公司 Cascading type solution parallel connection double-effect lithium bromide absorption refrigeration heat pump unit

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106403354A (en) * 2016-11-19 2017-02-15 双良节能系统股份有限公司 Cascading type solution parallel connection double-effect lithium bromide absorption refrigeration heat pump unit
CN106403354B (en) * 2016-11-19 2019-07-19 双良节能系统股份有限公司 Superposition type solution parallel double-effect lithium bromide absorption type refrigeration heat pump unit

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Effective date of abandoning: 20190719

AV01 Patent right actively abandoned