CN206695434U - Steam type first-class lithium bromide absorption type heat pump unit with refrigerating function - Google Patents
Steam type first-class lithium bromide absorption type heat pump unit with refrigerating function Download PDFInfo
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- CN206695434U CN206695434U CN201720392020.7U CN201720392020U CN206695434U CN 206695434 U CN206695434 U CN 206695434U CN 201720392020 U CN201720392020 U CN 201720392020U CN 206695434 U CN206695434 U CN 206695434U
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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
- Y02A30/274—Relating to heating, ventilation or air conditioning [HVAC] technologies using waste energy, e.g. from internal combustion engine
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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
- Y02B30/625—Absorption based systems combined with heat or power generation [CHP], e.g. trigeneration
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Abstract
It the utility model is related to the steam type first-class lithium bromide absorption type heat pump unit with refrigerating function, including steam generator, condenser, evaporator, absorber, solution heat exchanger, solution pump and cryogenic fluid pump.By corresponding to cold water pipeline and cooling water pipeline in parallel on hot water line and waste heat water lines.It is remaining hot water to be flowed through during heat supply in heat-transfer pipe of evaporator, and it is cold water to flow through in heat-transfer pipe of evaporator during refrigeration；It is hot water to be flowed through during heat supply in absorber and condenser thermal transfer pipe, and it is cooling water to flow through in absorber and condenser thermal transfer pipe during refrigeration；And go out absorber enter the pipeline of condenser and go out condenser main pipe rail between set up water bypass pipe road, and water bypass is set thereon.Solves the generator concentrated solution mobilization dynamic problem run into when running supplying thermal condition on same unit and running cooling condition, realizing source pump can heat supply and can refrigeration.
Description
Technical field
The utility model is related to first class lithium bromide absorptive heat pump unit, and in particular to it is a kind of with refrigerating function first
Lithium bromide absorption type heat pump unit.
Background technology
Steam type first-class lithium bromide absorption type heat pump unit is as shown in figure 1, by steam generator 1, condenser 2, evaporation
Device 4, absorber 5, solution heat exchanger 3, solution pump 6, cryogenic fluid pump 7, control system（Not shown in figure）And connecting components
Pipeline, valve are formed.During unit operation, water as refrigerant is forced under the spray of the top of evaporator 4 by cryogenic fluid pump 7, and absorption flows through evaporator 4
Low temperature exhaust heat hydro-thermal amount in heat-transfer pipe, absorber 5 is entered after vaporization, absorbed by lithium bromide concentrated solution therein, discharge heat
Heating flows through the middle warm water in absorber 5；Concentration is thinning after lithium bromide concentrated solution absorbs refrigerant vapour in absorber 5, molten
Liquid pump 6 is extracted out, is sent into through heat exchanger 3 in generator 1 and is heated concentration by high temperature driven working steam, the concentrated solution warp after concentration
Heat exchanger 3, which is come back in absorber 5, absorbs refrigerant vapour；And the high temperature refrigerant vapour that concentrating and separating comes out then enters condensation
Warm water and returned in device 2, in heating again in evaporator 4 after being condensed into water as refrigerant.Said process constantly circulates progress, you can
Constantly recovery waste heat hydro-thermal amount produces out required middle warm water.Warm water is used for China's winter heating or technique life in this
Produce central heating etc..Due to the heat of first class lithium bromide absorptive heat pump unit extraction low temperature exhaust heat water, produce out and compare low temperature
The middle temperature-heat-source of high more than 40 DEG C of thermal source, a large amount of more than 40% middle pressure steam consumption can be saved, realizes the comprehensive utilization of the energy,
Preferable economic and social benefit is achieved, has obtained substantial amounts of application in recent years.But heat supply, summer had both been needed in the winter time
The occasion freezed is needed again, and current first class lithium bromide absorptive heat pump unit can only meet Winter heat supply, can not realize the summer
The demand that season freezes, if desired freeze in the user of application source pump heat supply, refrigeration unit can only be separately provided, this just needs
Increase equipment investment.How in the case where not increasing equipment investment, solves first class lithium bromide absorptive heat pump unit in the winter
The problem of Ji Jineng heat supplies, summer and can refrigeration, turn into one of important topic studied at present.
Utility model content
Technical problem to be solved in the utility model is can heat supply, summer for a kind of above-mentioned prior art offer winter
Season and can refrigeration a kind of steam type first-class lithium bromide absorption type heat pump unit with refrigerating function.
The technical scheme in the invention for solving the above technical problem is：A kind of steam type first kind with refrigerating function
Lithium bromide absorption type heat pump unit, including steam generator, condenser, evaporator, absorber, solution heat exchanger, solution pump
And cryogenic fluid pump, and relevant connection pipeline and valve.
Set up cold water import and export pipeline and corresponding waste heat water inlet valve side by side on remaining hot water import and export pipeline（9）、
Remaining hot water outlet valve（10）, cooling water inlet valve（14）, cooling water outlet valve（15）；Heating State is left hot water inlet valve and remaining hot water
Outlet valve is opened, and cooling water inlet valve and cooling water outlet valve are closed, and it is remaining hot water to flow through in the heat-transfer pipe of evaporator；Refrigerating state
Be left hot water inlet valve and remaining hot water outlet valve is closed, and cooling water inlet valve and cooling water outlet valve are opened, and flow through the heat transfer of evaporator
In pipe is cold water.
Set up cooling water import and export pipeline and corresponding hot water inlet valve side by side on hot water import and export pipeline（8）, heat
Water out valve（12）, cooling sea water inlet valve（13）, cooling sea water outlet valve（18）, and enter condenser pipe with going out going out absorber
A water bypass pipe road is set up between the main pipe rail of condenser（16）, a water bypass is set on water bypass pipe road
（17）；Cooling sea water inlet valve, cooling sea water outlet valve and water bypass are closed under Heating State, and hot water inlet valve and hot water go out
Mouth valve is opened, and it is hot water to flow through in absorber and condenser thermal transfer pipe；Cooling sea water inlet valve, coolant outlet under refrigerating state
Valve and water bypass are opened, and hot water inlet valve and hot water outlet valve are closed, and are flowed through in absorber and condenser thermal transfer pipe
It is cooling water, and the cooling water that self-absorption device comes out is divided into two-way, enters all the way into condenser, another way by cooling water
Siphunculus road, flow out unit after out converging.
Another scheme, on the basis of such scheme, while water bypass is set on water bypass pipe,
Enter on condenser branch pipe to set up one again and enter condenser cooling water regulating valve；Or threeway is set in water bypass pipe road bifurcation
Valve.It can be achieved to flowing into condenser and flowing through the regulation of cooling water flow in water bypass pipe.
The utility model can realize heat supply, cooling, the equipment without other auxiliary.Concrete operations principle is as follows
During Winter heat supply, external system valve is switched over, and chilled water system is switched into waste heat water system, cooling water system
Hot-water heating system is switched to, the water bypass newly established is closed, and unit still presses conventional heat supply process flow operation, is returned
Receive remaining hot water heat and produce out required middle warm water.
During cooling in summer, external system valve switches over, and waste heat water system is switched into chilled water system, hot-water heating system is cut
Cooling water system is changed to, working steam still enters generator, and cold water enters evaporator, and cooling water is introduced into absorber, self-absorption
Device is divided into two-way after coming out, and all the way into condenser, another way enters the water bypass pipe road newly established, by cooling water
Port valve flows out unit with going out after the cooling water of condenser converges.The kind of refrigeration cycle of unit is identical with heating cycle principle, distinguishes
By-passing part cooling water is needed when refrigeration.The purpose for designing by-passing part cooling water is to improve generation pressure, reaches a machine
Dual-purpose purpose.Hot water outlet temperature is high when reason is heat supply, and condensation temperature is just high, and generation pressure is also high, concentrated solution gravity flow
Mobilization dynamic is with regard to big, and in refrigeration, cooling water outlet temperature is low compared with hot water temperature, and condensation temperature is also low, and generation pressure is also low, dense
The mobilization dynamic of solution gravity flow is with regard to small, but the resistance change in concentrated solution flow process is little, to overcome corresponding resistance, needs
By concentrated solution gravity flow mobilization dynamic improve, come ensure refrigeration when unit safe and stable operation.The cooling water of condenser will be entered
After a bypass part, the cooling water inflow into condenser is reduced, and cooling water outlet temperature improves, and condensation temperature is just high, presses
Power is also high, and the mobilization dynamic of concentrated solution gravity flow just increases.
Compared with prior art, the utility model has the advantage of：
The utility model is by conventional steam type first-class lithium bromide absorption type heat pump crew base, going out absorber
Enter the pipeline of condenser and go out condenser main pipe rail between set up a water bypass pipe road, and a cooling water is set thereon
By-passing valve；Or while water bypass is set on water bypass pipe, on condenser branch pipe is entered one is set up again and entered
Condenser cooling water regulating valve；Or one triple valve is set in bypass line bifurcation.Pass through the switching of external system valve
Regulation with entering condenser cooling water flow, generation pressure during cooling condition is improved, is solved on same unit
The generator concentrated solution mobilization dynamic problem run into when operation supplying thermal condition and operation cooling condition, realizing source pump can
Heat supply and can is freezed.The unit operation is very easy, is extracted in application steam type first-class lithium bromide absorption type heat pump unit low
Warm waste heat for supplying needs the occasion of cooling in summer again, from the steam type first-class lithium bromide absorption type heat pump with refrigerating function
Unit, just it is not required to be separately provided refrigeration unit, can significantly reduces investment of equipment cost.So the utility model Winter heat supply
When can energy-saving and emission-reduction realize that comprehensive utilization of energy, summer and can produce low-temperature receiver and meet that air-conditioning and production technology use, improve machine
The year operation utilization rate of group, reduces investment of equipment cost, has extraordinary economic benefit and social benefit.
Brief description of the drawings
Fig. 1 is conventional steam type first-class lithium bromide absorption type heat pump unit schematic flow sheet；
Fig. 2 is steam type first-class lithium bromide absorption type heat pump unit flow signal of the utility model with refrigerating function
Figure；
Fig. 3 is steam type first-class lithium bromide absorption type heat pump unit flow signal of the utility model with refrigerating function
Figure；
Fig. 4 is steam type first-class lithium bromide absorption type heat pump unit flow signal of the utility model with refrigerating function
Figure.
Steam generator 1
Condenser 2
Solution heat exchanger 3
Evaporator 4
Absorber 5
Solution pump 6
Cryogenic fluid pump 7
Hot water inlet valve 8
Waste heat water inlet valve 9
Remaining hot water outlet valve 10
Go out absorber and enter condenser pipe 11
Hot water outlet valve 12
Cooling sea water inlet valve 13
Cooling water inlet valve 14
Cooling water outlet valve 15
Water bypass pipe 16
Water bypass pipe 17
Cooling sea water outlet valve 18
Enter condenser cooling water regulating valve 19
Triple valve 20.
Embodiment
The utility model is described in further detail below in conjunction with accompanying drawing embodiment：
Steam type first-class lithium bromide absorption type heat pump unit with refrigerating function, including steam generator 1, condenser 2,
Evaporator 4, absorber 5, solution heat exchanger 3, solution pump 3 and cryogenic fluid pump 7, and relevant connection pipeline and valve.
Set up cold water import and export pipeline and corresponding waste heat water inlet valve 9, remaining side by side on remaining hot water import and export pipeline
Hot water outlet valve 10, cooling water inlet valve 14, cooling water outlet valve 15；Heating State is left hot water inlet valve and remaining hot water outlet valve is beaten
Open, cooling water inlet valve and cooling water outlet valve are closed, and it is remaining hot water to flow through in the heat-transfer pipe of evaporator；Remaining hot water under refrigerating state
Inlet valve and remaining hot water outlet valve are closed, and cooling water inlet valve and cooling water outlet valve are opened, and flowing through in the heat-transfer pipe of evaporator is
Cold water.
Set up cooling water import and export pipeline and corresponding hot water inlet valve 8, hot water side by side on hot water import and export pipeline
Outlet valve 12, cooling sea water inlet valve 13, cooling sea water outlet valve 18, and enter condenser pipe and to go out condenser going out absorber
A water bypass pipe road 16 is set up between main pipe rail, a water bypass 17 is set on water bypass pipe road；Heat supply shape
Cooling sea water inlet valve, cooling sea water outlet valve and water bypass are closed under state, and hot water inlet valve and hot water outlet valve are opened, stream
Through in absorber and condenser thermal transfer pipe being hot water；Cooling sea water inlet valve, cooling sea water outlet valve and cooling water under refrigerating state
By-passing valve is opened, and hot water inlet valve and hot water outlet valve are closed, and it is cooling water to flow through in absorber and condenser thermal transfer pipe, and
And the cooling water that self-absorption device comes out is divided into two-way, enters water bypass pipe road into condenser, another way all the way, out
Unit is flowed out after converging.
As shown in Fig. 2 go out absorber enter the pipeline 11 of condenser and go out condenser main pipe rail between set up a cooling
Water bypass line 16, an and water bypass 17 is set thereon, during heat supply, the water bypass 17, which is in, closes shape
State；During refrigeration, open the water bypass 17 and the cooling water on water bypass pipe road 16 is adjusted according to required condensation temperature
Flow, to reduce the cooling water flow into condenser 2, improve the mobilization dynamic of concentrated solution gravity flow.
As shown in figure 3, go out absorber enter the pipeline 11 of condenser and go out condenser main pipe rail between set up a cooling
Water bypass line 16, while water bypass 17 are set on bypass line, one is also set up on condenser branch pipe is entered
Enter condenser cooling water regulating valve 19.During heat supply, water bypass 17 is closed, and enters condenser cooling water regulating valve
19 are in opening；During refrigeration, according to required condensation temperature, open water bypass 17 and adjust bypassed cooling water
Flow, and being adjusted to entering condenser cooling water regulating valve 19, it is more accurate to make to enter condenser cooling water flow, concentrated solution from
The mobilization dynamic of stream improves accurate reasonable.
As shown in figure 4, go out absorber enter the pipeline 11 of condenser and go out condenser main pipe rail between set up a cooling
Water bypass line 16, a triple valve 20 is directly set at bypass line.During heat supply, bypass cooling water is all the way in closing shape
State, another two-way are in opening, and hot water goes out after absorber enters condenser through valve；During refrigeration, according to condensation temperature needs,
The aperture of regulating three-way valve 20, to reach the raising of by-passing part cooling water inflow into the precision of condenser cooling water flow, carry
The mobilization dynamic of high concentrated solution gravity flow.
It should be noted that：Steam type first-class lithium bromide absorption type heat pump unit with refrigerating function is in heat supply and refrigeration
During two kinds of difference in functionality conversions, it is also necessary to switch external system valve.It is cooling water inlet valve 14 in external system, cold during heat supply
Water out valve 15, cooling sea water inlet valve 13, cooling sea water outlet valve 18 and water bypass 17 are constantly in closed mode, waste heat
Water inlet valve 9, remaining hot water outlet valve 10, hot water inlet valve 8 and hot water outlet valve 12 are constantly in opening；During refrigeration, outside
By cooling water inlet valve 14, cooling water outlet valve 15, cooling sea water inlet valve 13 and cooling sea water outlet valve 18 and cooling water in portion's system
Port valve 17 is constantly in opening, waste heat water inlet valve 9, remaining hot water outlet valve 10, hot water inlet valve 8 and hot water outlet valve 12
It is constantly in closed mode.It is remaining hot water to be flowed through in heat supply in the heat-transfer pipe of evaporator 4, and flowing through evaporator 4 during refrigeration conducts heat
In pipe is cold water；It is hot water to be flowed through in heat supply in absorber 5 and the heat-transfer pipe of condenser 2, flows through the He of absorber 5 during refrigeration
In the heat-transfer pipe of condenser 2 is cooling water.
Above scheme, which is applied to the source pump, can be the unit of carrying vapour condensate heat regenerator, can also be two sections
Or more than two sections units.
In addition to the implementation, the utility model also includes other embodiment, all to use equivalents or equivalent
The technical scheme that substitute mode is formed, all should fall within the protection domain of the utility model claims.
Claims (2)
1. a kind of steam type first-class lithium bromide absorption type heat pump unit with refrigerating function, including steam generator, condenser,
Evaporator, absorber, solution heat exchanger, solution pump and cryogenic fluid pump, and relevant connection pipeline and valve, it is characterised in that：
Set up cold water import and export pipeline and corresponding waste heat water inlet valve side by side on remaining hot water import and export pipeline（9）, waste heat
Water out valve（10）, cooling water inlet valve（14）, cooling water outlet valve（15）；Heating State is left hot water inlet valve and waste heat water out
Valve is opened, and cooling water inlet valve and cooling water outlet valve are closed, and it is remaining hot water to flow through in the heat-transfer pipe of evaporator；Refrigerating state is left
Hot water inlet valve and remaining hot water outlet valve are closed, and cooling water inlet valve and cooling water outlet valve are opened, and are flowed through in the heat-transfer pipe of evaporator
Be cold water；
Set up cooling water import and export pipeline and corresponding hot water inlet valve side by side on hot water import and export pipeline（8）, hot water goes out
Mouth valve（12）, cooling sea water inlet valve（13）, cooling sea water outlet valve（18）, and enter condenser pipe with going out condensation going out absorber
A water bypass pipe road is set up between the main pipe rail of device（16）, a water bypass is set on water bypass pipe road
（17）；Cooling sea water inlet valve, cooling sea water outlet valve and water bypass are closed under Heating State, and hot water inlet valve and hot water go out
Mouth valve is opened, and it is hot water to flow through in absorber and condenser thermal transfer pipe；Cooling sea water inlet valve, coolant outlet under refrigerating state
Valve and water bypass are opened, and hot water inlet valve and hot water outlet valve are closed, and are flowed through in absorber and condenser thermal transfer pipe
It is cooling water, and the cooling water that self-absorption device comes out is divided into two-way, enters all the way into condenser, another way by cooling water
Siphunculus road, flow out unit after out converging.
2. the steam type first-class lithium bromide absorption type heat pump unit according to claim 1 with refrigerating function, its feature
It is：Water bypass is set on water bypass pipe（17）While, set up again on condenser branch pipe is entered one enter it is cold
Condenser cooling sea water regulating valve（19）；Or triple valve is set in water bypass pipe road bifurcation（20）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720392020.7U CN206695434U (en) | 2017-04-14 | 2017-04-14 | Steam type first-class lithium bromide absorption type heat pump unit with refrigerating function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720392020.7U CN206695434U (en) | 2017-04-14 | 2017-04-14 | Steam type first-class lithium bromide absorption type heat pump unit with refrigerating function |
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| CN206695434U true CN206695434U (en) | 2017-12-01 |
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| CN201720392020.7U Active CN206695434U (en) | 2017-04-14 | 2017-04-14 | Steam type first-class lithium bromide absorption type heat pump unit with refrigerating function |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106931678A (en) * | 2017-04-14 | 2017-07-07 | 双良节能系统股份有限公司 | Steam type first-class lithium bromide absorption type heat pump unit with refrigerating function |
-
2017
- 2017-04-14 CN CN201720392020.7U patent/CN206695434U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106931678A (en) * | 2017-04-14 | 2017-07-07 | 双良节能系统股份有限公司 | Steam type first-class lithium bromide absorption type heat pump unit with refrigerating function |
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