CN106196726A - High temperature heat pump system and round-robin method thereof - Google Patents
High temperature heat pump system and round-robin method thereof Download PDFInfo
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- CN106196726A CN106196726A CN201610721352.5A CN201610721352A CN106196726A CN 106196726 A CN106196726 A CN 106196726A CN 201610721352 A CN201610721352 A CN 201610721352A CN 106196726 A CN106196726 A CN 106196726A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
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Abstract
The invention discloses a kind of high temperature heat pump system and round-robin method thereof, wherein high temperature heat pump system includes second-kind absorption-type heat pump subsystem and vapor compression heat pump subsystem, vapor compression heat pump subsystem is its compression vaporizer with the absorption condensing heat exchanger of second-kind absorption-type heat pump subsystem, with the generation heat exchanger of second-kind absorption-type heat pump subsystem for compression condenser.The present invention solves the problem that vapor compression heat pump is difficult to produce heat of high temperature and second-kind absorption-type heat pump has to be used for being driven rather than reparation technology steam by most process waste.
Description
Technical field
The present invention relates to the technical field of heat pumps of Thermal Power Engineering, particularly to a kind of high temperature heat pump system and circulation side thereof
Method.
Background technology
Due to the Montreal Protocol control to ozone-layer depleting substance, difficult with power-actuated vapor compression heat pump
With the heat of high temperature finding function admirable and eco-friendly high boiling point cold-producing medium to produce more than 100 DEG C.So, lead in industry
In territory, for typically requiring 120 DEG C of process above steam thermal process of saturation temperature, vapor compression heat pump cannot be had
The application of effect.Therefore, for industrial energy saving field, research and development can utilize low-grade process waste produce more than 120 DEG C satisfy
Extremely important with the electric drive high temperature heat pump technology of the process steam of temperature.For high temperature heat pump, it is accessible heats temperature
The highest then range of application is the widest.Due to electric drive high temperature heat pump not with heat for drive source, thus have can by major part technique more than
The advantage that heat is promoted to process steam.
On the other hand, with the second-kind absorption-type heat pump of thermal drivers usually with the process waste system discharged by thermal process
Taking the process steam needed for thermal process, it heats temperature and is only limited heat pump material corrosive properties by used absorbent solution,
It is to say, when heating temperature and exceeding a certain limiting temperature, heat pump is owing to material is by the heavy corrosion of absorbent solution and nothing
Method is properly functioning.For the LiBr/H with LiBr as absorbent, with water as working medium2O working medium pair, this limiting temperature is 165 DEG C of left sides
Right.And for LiCl/H2O and CaCl2/H2O working medium pair, its limiting temperature is much lower.When second-kind absorption-type heat pump by with
When with thermal process energy-conservation, owing to its heating efficiency (COP) is about 0.48, the process waste of about 52% is used for driving and nothing
Method is converted into process steam.So, for the user that process steam price is higher, energy-saving efficiency and economic benefit just receive shadow
Ring.
Summary of the invention
In view of this, the embodiment of the present invention provides a kind of high temperature heat pump system and round-robin method thereof, main purpose be in order to
Solution vapor compression heat pump is difficult to produce heat of high temperature and second-kind absorption-type heat pump is had to most process waste
For the problem being driven rather than reparation technology steam.
For reaching above-mentioned purpose, present invention generally provides following technical scheme:
On the one hand, embodiments provide a kind of high temperature heat pump system, including by generator, absorption chiller,
Absorption vaporizer and the second-kind absorption-type heat pump subsystem of absorber composition, described absorption vaporizer and absorber lead to
Cross the first refrigerant vapor channel connection, described absorption chiller and generator and pass through the second refrigerant vapor channel connection, described
By condensation working medium pipeline communication between absorption chiller and absorption vaporizer, described condensation working medium pipeline will condense working medium
Be delivered to absorption vaporizer by absorption chiller, between described generator and absorber by the first solution circulating line and
Second solution circulating line connection, absorbent solution is delivered to absorber by generator by described first solution circulating line, described
Absorbent solution is delivered to generator, described first solution circulating line and the second solution by absorber by the second solution circulating line
Circulating line is provided with solution heat exchanger, and described generator includes occurring heat exchanger, absorption chiller to include absorption condensation
Heat exchanger, absorption vaporizer include that absorption evaporating heat exchanger, absorber include absorption heat-exchange device, also include steam compression type
Heat pump subsystem, described vapor compression heat pump subsystem includes that compressor, compression condenser, choke valve, compression evaporate
Device and refrigerant circulation pipe, wherein, described vapor compression heat pump subsystem is its pressure with described absorption condensing heat exchanger
Contracting formula vaporizer, with described generation heat exchanger for compression condenser.
As preferably, described generator includes absorbent solution flash chamber, the first absorbent solution spray equipment, the first absorption
Solution spraying pipeline, the first absorbent solution spray pump and generation heat exchanger, occur heat exchanger to be located at absorbent solution flash chamber
Outside, the first absorbent solution spray equipment is located at the top in absorbent solution flash chamber, the first absorbent solution spray equipment
Being connected with the first absorbent solution spray piping being located at outside absorbent solution flash chamber, absorbent solution spray pump is located at the first suction
Receiving on solution spraying pipeline, the absorbent solution in absorbent solution flash chamber is delivered to first by the first absorbent solution spray piping
Absorbent solution spray equipment sprays, and the first absorbent solution spray piping is connected with the cold flow side that heat exchanger occurs, described
Refrigerant circulation pipe is connected with the hot-fluid side that heat exchanger occurs.
As preferably, the condensing chamber of described absorption chiller is arranged over the first condensation working medium spray equipment, condensation
Being provided with the first condensation working medium receptor below chamber, described absorption condensing heat exchanger is located at the outside of described condensing chamber, institute
State the first condensation working medium spray equipment and be located at the first condensation working medium spray piping outside described condensing chamber and be connected, described the
Condensation working medium in first condensation working medium receptor is delivered to the first condensation working medium spray equipment by one condensation working medium spray piping,
Described first condensation working medium spray piping is provided with the first condensation working medium spray pump, and the first condensation working medium spray piping is with absorption
The hot-fluid side of condensing heat exchanger connects, the cold-producing medium of the choke valve outlet side of described vapor compression heat pump cycle subsystem
Circulating line is connected with the cold flow side of absorption condensing heat exchanger.
As preferably, described absorption condensing heat exchanger is arranged in the condensing chamber of described absorption chiller, described
The condensation heating agent entrance of absorption condensing heat exchanger exports side with the choke valve of described vapor compression heat pump cycle subsystem
Refrigerant circulation pipe connect, the outlet of the condensation heating agent of absorption condensing heat exchanger and described vapor compression heat pump circulation
The refrigerant circulation pipe of the compressor suction side of system connects.
As preferably, described absorption condensing heat exchanger is vertical double down film heat exchanger, described vertical double down film heat exchanger
Including:
Heat exchanger tube；
Heat exchanger tube upper head plate, is connected with the upper end of heat exchanger tube；
Heat exchanger tube bottom plate, is connected with the lower end of heat exchanger tube；
Refrigerant vapor imports room, is positioned at the lower section of heat exchanger tube bottom plate, and refrigerant vapor imports indoor refrigerant vapor from changing
The lower end of heat pipe flows in heat exchanger tube, and condenses on the inwall of heat exchanger tube, in condensation working medium is formed on the inwall of heat exchanger tube
Falling liquid film；
First condensation working medium receptor, is positioned at the lower section of heat exchanger tube bottom plate, the condensation flowed out within accommodating heat exchanger tube
Working medium；
Cold-producing medium imports room, and it is heat exchanger tube upper head plate that described cold-producing medium imports the top board of room, and base plate is liquid distributing hole plate, cloth liquid
Having the liquid distributing hole passed for heat exchanger tube on orifice plate, the aperture of liquid distributing hole is more than the external diameter of heat exchanger tube, the outside wall surface of heat exchanger tube
And forming gap between liquid distributing hole plate, the cold-producing medium of vapor compression heat pump subsystem passes through cold as the condensation heating agent of condenser
Solidifying heating agent entrance imports cold-producing medium and imports indoor, and cold-producing medium is flowed out by the gap between heat exchanger tube and liquid distributing hole plate, and is changing
Form outer falling liquid film in the outside wall surface of heat pipe, the condensation heat of refrigerant suction refrigerant vapor and be evaporated to refrigerant vapour；
Cold-producing medium receiving chamber, is positioned at the top of heat exchanger tube bottom plate, and described cold-producing medium receiving chamber is used for accommodating cold-producing medium and steams
Gas and the cold-producing medium flowed down along heat exchanger tube, the condensation heating agent that is arranged over of cold-producing medium receiving chamber exports, and refrigerant vapour is by cold
Solidifying heating agent outlet is derived, and inputs compressor by refrigerant circulation pipe.
As preferably, described liquid distributing hole plate has at least two on the contour of each liquid distributing hole and radially extends along liquid distributing hole
Protuberance, described protuberance is used for positioning heat exchanger tube, and protuberance described at least two is uniformly distributed on the contour of liquid distributing hole.
As preferably, described evaporating heat exchanger is described vertical double down film heat exchanger, and described evaporating heat exchanger is located at steaming
The evaporation cavity sending out device is indoor, wherein
First fluid in evaporating heat exchanger is working medium, and second fluid is evaporation heating agent；
First fluid above heat exchanger tube upper head plate imports the first fluid receptor below room and heat exchanger tube bottom plate and leads to
Crossing working medium circulation pipeline to connect, first fluid is imported room and is connected by condensation working medium pipeline with condenser；
Working medium circulation pipeline is provided with working medium circulating pump, and the working medium in first fluid receptor is transported to by working medium circulating pump
First fluid imports room, it is also preferred that the left first fluid imports indoor is provided with first fluid spray equipment.Flow out first fluid and import room
Working medium flow downward formation along the internal face of heat exchanger tube in falling liquid film；Second fluid imports indoor evaporation heating agent along heat exchanger tube
Outside wall surface flows downward and forms outer falling liquid film, and working medium carries out heat exchange with evaporation heating agent by heat exchanger tube, and part working medium is by thermal evaporation
For steam, refrigerant vapor flows into first fluid receptor through the first refrigerant vapor passage inflow absorber, condensation working medium.
When evaporation heating agent is steam, it is also preferred that the left vaporizer can be by the outside wall surface of heat exchanger tube and liquid distributing hole plate
Between gap enlargement, it is also possible to being not provided with liquid distribution plate, evaporation heating agent forms liquid heat of evaporation after heat exchanger tube outer tube wall condenses
The outer falling liquid film of matchmaker.
As preferably, described absorption heat-exchange device is described vertical double down film heat exchanger, and suction is located at by described absorption heat-exchange device
Receive in the absorption chamber of device, wherein
First fluid in described absorption heat-exchange device is absorbent solution, and second fluid is for absorbing heating agent；
First fluid above heat exchanger tube upper head plate imports room and connects generator by the first absorbent solution circulating line；
First fluid below heat exchanger tube bottom plate is derived room and is connected generator by the second solution circulating line；
The lower section of heat exchanger tube upper head plate is provided with liquid distributing hole plate, the absorbing cavity between described heat exchanger tube upper head plate and liquid distributing hole plate
Room forms second fluid and imports room；
Chamber between heat exchanger tube bottom plate and liquid distributing hole plate forms second fluid receiving chamber；
Second fluid receiving chamber connects to absorb heating agent import pipe and absorb heating agent derives pipeline, absorbs heating agent import pipe
To absorb heating agent input second fluid receiving chamber, second fluid receiving chamber is led by absorbing heating agent circulating line connection second fluid
Enter the room, absorb heating agent circulating line and be provided with absorption heat medium circulation pump, absorb heat medium circulation pump by second fluid receiving chamber
Absorb heating agent to be delivered to second fluid and import room, absorb heating agent by clearance flow between heat exchanger tube outside wall surface and liquid distributing hole plate
Go out, and form outer falling liquid film at the outer wall of heat exchanger tube；
First fluid imports in indoor absorbent solution flows downward formation along the internal face of heat exchanger tube to be inhaled while falling liquid film
The refrigerant vapor produced in receiving vaporizer the absorption heat discharging high temperature, absorbent solution is carried out by heat exchanger tube with absorbing heating agent
Heat exchange, absorbs described high temperature and absorbs the absorption heating agent of heat through absorbing heating agent derivation pipeline output.It is also preferred that the left first fluid is led
Enter indoor and be provided with first fluid spray equipment.
It is also preferred that the left for heat exchange partially absorbs heating agent be evaporated to absorb heating agent steam in the case of, will absorb heating agent import
Pipe installing is derived the lower section of room at second fluid and is absorbed heating agent derivation pipeline and be arranged on above second fluid derivation room；And
When not producing absorption heating agent steam, absorption heating agent import pipe is arranged on second fluid and imports room and absorb heating agent
Deriving pipeline and be arranged on the lower section of second fluid derivation room, now absorber can not set absorption heating agent circulating line and absorb heat
Matchmaker's circulating pump.
As preferably, described vaporizer and described absorber share a vertical vessel, and described vaporizer is positioned at described appearance
The top of device, described absorber is positioned at the lower section of described container.It is also preferred that the left described vaporizer and described absorber share vertical
Container is vertical cylindrical container.
As preferably, also include cold-producing medium subcooler and condensation working medium preheater, the hot fluid of described cold-producing medium subcooler
Side and condensation working medium preheater hot fluid side are all connected with refrigerant tubing, and the cold-producing medium that compressor outlet flows out flows through successively and sends out
Raw heat exchanger, condensation working medium preheater, cold-producing medium subcooler, choke valve and absorption condensing heat exchanger, described cold-producing medium is supercool
The cold flow side of device is connected with cooling water pipeline, and the cold flow side of described condensation working medium preheater is connected with condensation working medium pipeline.
As preferably, connect and be provided with on the refrigerant circulation pipe of described compressor suction for measuring cold-producing medium steaming
The temperature sensor of temperature, when the temperature of refrigerant vapour is higher than the first design temperature, increases the flow of described cooling water,
And when the temperature of refrigerant vapour is less than the second design temperature, reduce the flow of described cooling water, wherein the first temperature is higher than
Second temperature.
As preferably, the circulation of described vapor compression heat pump subsystem is for using mixed non-azeotropic refrigerant or super facing
The Lorenz circulation of boundary's cold-producing medium.
As preferably, the absorbent of described second-kind absorption-type heat pump subsystem is LiNO3, working medium is H2O。
On the other hand, embodiments provide the round-robin method of the high temperature heat pump system of a kind of above-described embodiment, bag
Include vaporizer link, absorber link, generator link, condenser link and vapor compression heat pump link, wherein
Vaporizer link, working medium absorbs heat from the evaporation heating agent flowing through absorption evaporating heat exchanger and is evaporated to working medium steaming
Gas, described refrigerant vapor is transported in absorber；
Absorber link, absorbent solution absorbs the refrigerant vapor of absorption vaporizer generation and discharges absorption heat, described
Absorbing heat and export to outside by flowing through the absorption heating agent of absorption heat-exchange device, the absorbent solution in absorber is transported to generator
In；
Generator link, there is the heat of heating agent in absorbent solution, evaporation produces refrigerant vapor by occurring heat exchanger to absorb；
Refrigerant vapor is delivered to condenser；Absorbent solution obtains evaporation and concentration and cooling；Absorbent solution after concentration is delivered to absorber；
Condenser link, the refrigerant vapor producing generator carries out condensation absorption condensation heat, and described condensation heat is by flowing
Condensation heating agent in absorption condensing heat exchanger is taken away；Condense the condensation working medium of formation within the condenser via condensation working medium tube
Road is transported to vaporizer；
Vapor compression heat pump link, is its compression vaporizer with absorption condensing heat exchanger, and cold-producing medium is as evaporation
Heating agent inputs the cold flow side of absorption condensing heat exchanger, and to occur heat exchanger to be its compression condenser, cold-producing medium is as sending out
Heat matchmaker inputs the hot-fluid side that heat exchanger occurs.
Compared with prior art, the beneficial effects of the present invention is:
The high temperature heat pump system of the embodiment of the present invention organically combines vapor compression heat pump and Equations of The Second Kind absorption type heat
Pump, can use conventional low boiling, zero or the cold-producing medium (R22 and R134a etc.) of low-ozone consume latent energy value (ODP) and often
Absorption working medium to (LiBr/H2O), thus solve vapor compression heat pump to be difficult to produce heat of high temperature and Equations of The Second Kind simultaneously
Absorption heat pump is had to the shortcoming that most process waste is used for being driven rather than reparation technology steam, can will use thermal technology
The most process waste of skill is converted into the process steam of saturation temperature more than 120 DEG C, thus realizes by thermal process significantly
Spend energy-conservation.The user that power price is low for steam price is high, its economic benefit is especially pronounced.
For the high temperature heat pump system of the present invention shown in Fig. 1, due to absorption generator absorbent solution heating load and
The condensation working medium cooling load of absorption chiller has the characteristic of temperature-variable heat source, so, described vapor compression heat pump circulates
The Lorenz circulation as cold-producing medium with mixed non-azeotropic refrigerant or supercritical refrigerant is used to be obtained in that higher COP.
For the high temperature heat pump system of the present invention described in Fig. 3, the absorption condensation that have employed vertical double down film heat exchanger is changed
Hot device that is compression vaporizer, compared with conventional dry evaporator and flooded evaporator, have the big heat exchange of heat transfer intensity
The feature that the temperature difference is little and cold-producing medium usage amount is few, thus there is COP height and the advantage of low cost of manufacture.
Inventor finds under study for action, with LiNO3For absorbent, with H2O is that the absorbent solution of working medium is in same absorbent ability
On the premise of, the structural material of absorption heat pump and the corrosivity of heat exchange material are significantly less than LiBr absorbent solution.Described suction
Receipts formula heat pump cycle uses with LiNO3For main absorber, with H2When O is working medium, heats temperature and may be up to 240 DEG C.
Indicate according to the refrigerant vapour temperature sensor on the refrigerant circulation pipe being arranged at compressor suction
Temperature regulates the flow of cold-producing medium subcooler cooling water, and the evaporating temperature of cold-producing medium can be made to maintain a preferable temperature model
Enclose, thus the stable operation of vapor compression heat pump subsystem can be realized, and improve described high temperature heat pump system further
COP。
By arranging condensation working medium preheater between described absorption generation heat exchanger and choke valve, high-temperature hot can be improved
The COP of pump blood circulation.
Cause heat and mass obstacle owing to absorbent can be avoided to crystallize on the heat-transfer surface that heat exchanger occurs, especially have
It is beneficial to the second-kind absorption-type heat pump circulation worked under high-concentration absorbent solution condition.Again due to the absorption generation of the present invention
Heat exchanger uses contra-flow heat exchanger, is advantageous to use with mixed non-azeotropic refrigerant or supercritical refrigerant as cold-producing medium
Lorenz circulation situation.
The second-kind absorption-type heat pump blood circulation of the present invention also can be inhaled higher than generator in absorber absorbent solution concentration
Work under conditions of receiving solution concentration, therefore can realize utilizing more low-grade driving heat source, obtain bigger industry remaining
Heat (also including underground heat and solar heat etc.) temperature grade promotes, thus is allowed to be more convenient for recycling, it is thus possible to user
Bring significant energy-saving effect and economic benefit.
By making absorbent crystalline particle tinyization of supersaturation partial crystallization and having mobility, the present invention can effectively gram
Take generation heat exchanger heat transfer mass transfer obstacle that existing second-kind absorption-type heat pump is faced, that caused and pipe by absorbent crystallization
The blockage problem in road etc..
Scheme attached explanation
Fig. 1 is the structural representation of the high temperature heat pump system of the embodiment of the present invention 1.
Fig. 2 is the structural representation of the high temperature heat pump system of the embodiment of the present invention 2.
Fig. 3 is the structural representation of the high temperature heat pump system of the embodiment of the present invention 3.
Fig. 4 is the structural representation of the high temperature heat pump system of the embodiment of the present invention 4.
Detailed description of the invention
Below in conjunction with specific embodiment, the present invention is described in further detail, but not as a limitation of the invention.?
In the description below, what different " embodiments " or " embodiment " referred to is not necessarily same embodiment.Additionally, one or more is implemented
Special characteristic, structure or feature in example can be combined by any suitable form.
Fig. 1 is the structural representation of the high temperature heat pump system of the embodiment of the present invention 1；Fig. 2 is the high temperature of the embodiment of the present invention 2
The structural representation of heat pump；Fig. 3 is the structural representation of the high temperature heat pump system of the embodiment of the present invention 3；Fig. 4 is the present invention
The structural representation of the high temperature heat pump system of embodiment 4.See Fig. 1 to Fig. 4, high temperature heat pump system, including by generator 300,
Absorption chiller 400, absorption vaporizer 100 and the second-kind absorption-type heat pump subsystem of absorber 200 composition, absorb
Formula vaporizer 100 is connected by the first refrigerant vapor passage 700 with absorber 200, absorption chiller 400 and generator 300
Connected by the second refrigerant vapor passage 800, by condensation working medium between absorption chiller 400 and absorption vaporizer 100
Pipeline 610 connects, and condensation working medium is delivered to absorption vaporizer 100 by absorption chiller 400 by condensation working medium pipeline 610,
Connected with the second solution circulating line 520 by the first solution circulating line 510 between generator 300 and absorber 200, first
Absorbent solution is delivered to absorber by generator 300 by solution circulating line 510, and the second solution circulating line 520 will absorb molten
Liquid is delivered to generator 300 by absorber 200, and the first solution circulating line 510 and the second solution circulating line 520 are provided with molten
Liquid heat exchanger 530, generator 300 includes occurring heat exchanger 302, absorption chiller 400 to include absorption condensing heat exchanger
402, absorption vaporizer 100 includes that absorption evaporating heat exchanger 102, absorber 200 include absorption heat-exchange device 202, also includes
Vapor compression heat pump subsystem, vapor compression heat pump subsystem include compressor 60, compression condenser, choke valve 63,
Compression vaporizer and refrigerant circulation pipe 64, wherein, vapor compression heat pump subsystem is with absorption condensing heat exchanger 402
For its compression vaporizer, to occur heat exchanger 302 for its compression condenser.
The high temperature heat pump system of the embodiment of the present invention organically combines vapor compression heat pump and Equations of The Second Kind absorption type heat
Pump, there is heat exchanger 302 in the compression vaporizer being vapor compression heat pump subsystem with absorption condensing heat exchanger 402
Compression condenser for vapor compression heat pump subsystem.The high temperature heat pump system of the embodiment of the present invention can use conventional low
Boiling point, zero or the cold-producing medium (R22 and R134a etc.) of low-ozone consume latent energy value (ODP) and conventional absorption working medium pair
(LiBr/H2O), thus solve vapor compression heat pump simultaneously and be difficult to produce heat of high temperature and second-kind absorption-type heat pump must not
Most process waste is not used for being driven rather than the shortcoming of reparation technology steam, can will use the most work of thermal process
Skill waste heat is converted into the process steam of saturation temperature more than 120 DEG C, thus realize by thermal process the most energy-conservation.For steam
Price is high and user that power price is low, and its economic benefit is especially pronounced.Owing to the absorbent solution of absorption generator heats negative
The condensation working medium cooling load of lotus and absorption chiller has the characteristic of temperature-variable heat source, so, described vapor compression heat pump
Circulation uses the Lorenz circulation as cold-producing medium with mixed non-azeotropic refrigerant or supercritical refrigerant to be obtained in that higher
COP。
Preferred as above-described embodiment, generator 300 includes that absorbent solution flash chamber the 301, first absorbent solution is sprayed
Shower device the 303, first absorbent solution spray piping the 305, first absorbent solution spray pump 304 and generation heat exchanger 302, occur
The outside of absorbent solution flash chamber 301 is located at by heat exchanger 302, and the first absorbent solution spray equipment 303 is located at absorbent solution and is dodged
Steam the top in chamber 301, the first absorbent solution spray equipment 303 be located at first outside absorbent solution flash chamber 301
Absorbent solution spray piping 305 connects, and absorbent solution spray pump 304 is located on the first absorbent solution spray piping 305, and first inhales
Receive solution spraying pipeline 305 and the absorbent solution in absorbent solution flash chamber 301 is delivered to the first absorbent solution spray equipment
303 spray, and the first absorbent solution spray piping 305 is connected with the cold flow side that heat exchanger 302 occurs, refrigerant cycle pipe
Road 64 is connected with the hot-fluid side that heat exchanger 302 occurs.
The present embodiment changes the common absorbent solution evaporation chamber of generator 300 into absorbent solution flash chamber, will send out
Raw heat exchanger 302 is located at the outside of absorbent solution flash chamber 301, principle based on vacuum insulation flash distillation, makes absorbent solution
Fine drop carries out vacuum insulation flash distillation in the absorbent solution flash chamber 301 in generator 300.Molten than common absorption
The cross-current heat exchanger tube that liquid evaporation chamber uses, the generation heat exchanger 302 in the present embodiment uses adverse current plate heat exchanger, can be real
Countercurrent flow the most completely, thus improve heat transfer intensity and reduce heat transfer temperature difference, and can be more efficient utilize temperature-variable heat source,
The heating agent used includes water, hot-air, conduction oil, superheated steam and the steam etc. containing on-condensible gas.Have employed the present invention real
The second-kind absorption-type heat pump executing the generator that example provides can use high-concentration absorbent solution.Even if absorbent solution obtains evaporating dense
Contracting and cooling, make absorbent generation supersaturation and partial crystallization goes out crystalline particle, owing to the tiny crystalline particle produced can be with absorption
Solution flows, and therefore, after partially crystallizable is delivered to heat exchanger 302 by the second absorbent solution spray piping 305, hands over through heat
Changing, crystallization can be dissolved.Do not deposit the problems such as because of crystallization, heat-transfer surface in the prior art causes that heat and mass is obstructed.It addition, this reality
Execute the second-kind absorption-type heat pump subsystem in example to be suitable for using the low-temperature heat source with temperature-variable heat source characteristic.Can avoid inhaling
Receive agent to crystallize on the heat-transfer surface that heat exchanger occurs and cause heat and mass obstacle, therefore, be particularly advantageous at high-concentration absorbent
Work under solution condition.Owing to can work under conditions of absorber absorbent solution concentration is higher than generator absorbent solution concentration,
Therefore can realize utilizing more low-grade generation thermal source, obtain bigger industrial exhaust heat and (also include underground heat and solar heat
Deng) lifting of temperature grade, thus be allowed to be more convenient for recycling, it is thus possible to bring significant energy-saving effect and economy to user
Benefit.
Preferred as above-described embodiment, sees Fig. 1, and the condensing chamber 401 of absorption chiller 400 is arranged over first
Condensation working medium spray equipment 403, is provided with the first condensation working medium receptor 406, absorption condensing heat exchanger below condensing chamber 401
402 outsides being located at condensing chamber 401, the first condensation working medium spray equipment 403 is with to be located at first outside condensing chamber 401 cold
Solidifying working medium spray piping 405 connects, and the first condensation working medium spray piping 405 is by the condensation in the first condensation working medium receptor 406
Working medium is delivered to the first condensation working medium spray equipment 403, and the first condensation working medium spray piping 405 is provided with the first condensation working medium spray
Drenching pump 404, the first condensation working medium spray piping 405 is connected with the hot-fluid side of absorption condensing heat exchanger 402, steam compression type
The refrigerant circulation pipe 64 of the choke valve outlet side of heat pump cycle subsystem and the cold flow body of absorption condensing heat exchanger 402
Side connects.By external for absorption condensing heat exchanger 402 in the present embodiment, working medium can be realized in absorption condensing heat exchanger 402
Carry out countercurrent flow.Absorption condensing heat exchanger 402 can use plate type heat exchanger, it is achieved countercurrent flow completely, improves and changes
Thermal effect.
Alternatively, it is possible to embodiment as shown in Figure 2, absorption condensing heat exchanger 402 is located at condensing chamber
401 is internal, now, it is possible to is not provided with the first condensation working medium spray equipment 403, the refrigerant vapor that generator produces be located in
Cool down after absorption condensing heat exchanger 402 heat exchange in portion.Absorption condensing heat exchanger 402 is arranged at absorption chiller 400
In condensing chamber 401, the condensation heating agent entrance of absorption condensing heat exchanger 402 and the joint of vapor compression heat pump cycle subsystem
The refrigerant circulation pipe of stream valve outlet port side connects, and the condensation heating agent outlet of absorption condensing heat exchanger is steam compressed with described
The refrigerant circulation pipe of the compressor suction side of formula heat pump cycle subsystem connects.
Preferred as above-described embodiment, sees Fig. 3 and Fig. 4, and absorption condensing heat exchanger 402 is vertical pair of Falling film heat transfer
Device, this vertical double down film heat exchanger includes:
Heat exchanger tube 410；
Heat exchanger tube upper head plate 460, is connected with the upper end of heat exchanger tube 410；
Heat exchanger tube bottom plate 470, is connected with the lower end of heat exchanger tube 410；
Refrigerant vapor imports room 420, is positioned at the lower section of heat exchanger tube bottom plate 470, and refrigerant vapor imports the working medium in room 420
Steam flows in heat exchanger tube 420 from the lower end of heat exchanger tube 410, and condenses on the inwall of heat exchanger tube 420, and condensation working medium is in heat exchange
Falling liquid film in being formed on the inwall of pipe 420；
First condensation working medium receptor 406, is positioned at the lower section of heat exchanger tube bottom plate 470, is used for accommodating stream in heat exchanger tube 420
The condensation working medium gone out；
Cold-producing medium imports room 440, and it is heat exchanger tube upper head plate 460 that cold-producing medium imports the top board of room 440, and base plate is liquid distributing hole plate
441, liquid distributing hole plate 441 has the liquid distributing hole 442 passed for heat exchanger tube 420, the aperture of liquid distributing hole 442 is more than heat exchanger tube
The external diameter of 420, forms gap, the system of vapor compression heat pump subsystem between outside wall surface and the liquid distributing hole plate 441 of heat exchanger tube 420
Cryogen is imported in cold-producing medium importing room 440 by condensation heating agent entrance as the condensation heating agent of condenser, and cold-producing medium passes through heat exchange
Gap between pipe 420 and liquid distributing hole plate 441 is flowed out, and forms outer falling liquid film, refrigerant suction in the outside wall surface of heat exchanger tube 420
The condensation heat of refrigerant vapor and be evaporated to refrigerant vapour；
Cold-producing medium receiving chamber 450, is positioned at the top of heat exchanger tube bottom plate 470, and cold-producing medium receiving chamber 450 is used for accommodating refrigeration
Agent steam and the cold-producing medium flowed down along heat exchanger tube, the condensation heating agent that is arranged over of cold-producing medium receiving chamber 450 exports, refrigerant vapour
Gone out by condensation heating agent outlet guide, and input compressor 60 by refrigerant circulation pipe 64.It is vertical that the embodiment of the present invention provides
Formula double down film heat exchanger achieves double down film inside and outside heat exchanger tube, improves the heat transfer effect of cold-producing medium and refrigerant vapor.
Preferred as above-described embodiment, liquid distributing hole plate 441 has at least two edge on the contour of each liquid distributing hole 442
The protuberance that liquid distributing hole radially extends, protuberance is used for positioning heat exchanger tube, and protuberance described at least two is uniform on the contour of liquid distributing hole
Distribution.The present embodiment positions by arranging protuberance exchange heat pipe, was both easily installed, and ensures heat exchanger tube and liquid distributing hole plate
Between 441, gap is consistent.Protuberance is more preferably at least three, and during as arranged three protuberances 943, three protuberances are by the one of liquid distributing hole
Week is divided into three equal parts.Certainly, protuberance can take other any suitable forms, as long as can connect with the outside wall surface of heat exchanger tube
Touch, heat exchanger tube is positioned.
Absorption evaporating heat exchanger 102 and absorption heat-exchange device 202 in the present invention may be used without vertical double down film heat exchanger,
To increase heat transfer effect.
As shown in Figure 4, absorption evaporating heat exchanger uses vertical double down film heat exchanger, and absorption evaporating heat exchanger is located at suction
In the evaporation chamber 101 of receipts formula vaporizer 100, the vertical double down film heat exchanger as absorption evaporating heat exchanger includes:
Heat exchanger tube 110；
Heat exchanger tube upper head plate 160, is connected with the upper end of heat exchanger tube 110；
Heat exchanger tube bottom plate 170, is connected with the lower end of heat exchanger tube 110；
Condensation working medium imports room 120, is positioned at the top of heat exchanger tube upper head plate 160, and condensation working medium imports the condensation in room 120
Working medium flows in heat exchanger tube 120 from the upper end of heat exchanger tube 110, and falling liquid film in being formed on the inwall of heat exchanger tube 120；
Second condensation working medium receptor 106, is positioned at the lower section of heat exchanger tube bottom plate 170, is used for accommodating stream in heat exchanger tube 120
The condensation working medium gone out；
Evaporation heating agent imports room 140, and it is heat exchanger tube upper head plate 160 that evaporation heating agent imports the top board of room 140, and base plate is cloth liquid
Orifice plate 141, liquid distributing hole plate 141 has the liquid distributing hole 142 passed for heat exchanger tube 120, and the aperture of liquid distributing hole 142 is more than heat exchange
The external diameter of pipe 120, forms gap between outside wall surface and the liquid distributing hole plate 141 of heat exchanger tube 120, evaporation heating agent is led by evaporation heating agent
Entering pipeline 11 to import in evaporation heating agent importing room 140, evaporation heating agent is by the gap between heat exchanger tube 120 and liquid distributing hole plate 141
Flowing out, and form outer falling liquid film in the outside wall surface of heat exchanger tube 120, condensation working medium absorbs the heat of evaporation heating agent and is evaporated to working medium
Steam；
Evaporation heating agent receiving chamber 150, is positioned at the top of heat exchanger tube bottom plate 170, and evaporation heating agent receiving chamber 150 is used for accommodating
The evaporation heating agent flowed down along heat exchanger tube, the evaporation heating agent in evaporation heating agent receiving chamber 150 is led by evaporation heating agent delivery line road 12
Go out.The embodiment of the present invention provide vertical double down film heat exchanger achieve double down film inside and outside heat exchanger tube, improve evaporation heating agent and
The heat transfer effect of condensation working medium.
Condensation working medium in condenser imports room 120 by condensation working medium pipeline 610 input condensation working medium.Second condensation work
Condensation working medium in matter receptor 106 imports room 120 by the second condensation working medium spray piping 105 input condensation working medium.Second
Condensation working medium spray piping 105 is provided with the second condensation working medium spray pump 104.Second condensation working medium spray pump 104 is by second
Condensation working medium in second condensation working medium receptor 106 is transported to condense working medium and imports room by condensation working medium spray piping 105
120。
Preferred as above-described embodiment, condensation working medium is provided with the second condensation working medium spray equipment 103 in importing room 120.
Condensation working medium pipeline 610 and the second condensation working medium spray piping 105 are all connected with the second condensation working medium spray equipment 103, and second is cold
Condensation working medium is sprayed in condensation working medium imports room 120 by solidifying working medium spray equipment 103.So that condensation working medium is preferably in heat exchange
Falling liquid film is formed in pipe 110.
Seeing Fig. 4, absorption heat-exchange device 202 uses vertical double down film heat exchanger, and absorber 200 is located at by absorption heat-exchange device 202
Absorption chamber 201 in, the vertical double down film heat exchanger as absorption heat-exchange device includes:
Heat exchanger tube 210；
Heat exchanger tube upper head plate 260, is connected with the upper end of heat exchanger tube 210；
Heat exchanger tube bottom plate 270, is connected with the lower end of heat exchanger tube 210；
Absorbent solution imports room 220, is positioned at the top of heat exchanger tube upper head plate 160, and absorbent solution imports the absorption in room 220
Solution flows in heat exchanger tube 220 from the upper end of heat exchanger tube 210, and falling liquid film in being formed on the inwall of heat exchanger tube 220, absorbs simultaneously
Solution absorbs the refrigerant vapor that absorption vaporizer 100 produces, and discharges the absorption heat of high temperature；
Absorbent solution receiving chamber 230, is positioned at the lower section of heat exchanger tube bottom plate 270, flows out within accommodating heat exchanger tube 220
Absorbent solution；
Absorbing heating agent and import room 240, the top board absorbing heating agent importing room 240 is heat exchanger tube upper head plate 160, and base plate is cloth liquid
Orifice plate 241, liquid distributing hole plate 241 has the liquid distributing hole 242 passed for heat exchanger tube 220, and the aperture of liquid distributing hole 242 is more than heat exchange
The external diameter of pipe 220, forms gap between outside wall surface and the liquid distributing hole plate 241 of heat exchanger tube 220, absorb heating agent by heat exchanger tube 220
And the gap between liquid distributing hole plate 241 is flowed out, and in the outside wall surface of heat exchanger tube 220, form outer falling liquid film, absorb heating agent and absorb suction
Receive the heat of heat and be evaporated to absorb heating agent steam；
Absorb heating agent receiving chamber 250, be positioned at the top of heat exchanger tube bottom plate 270, absorb heating agent receiving chamber 250 and be used for accommodating
Absorb heating agent steam and the absorption heating agent flowed down along heat exchanger tube 210, absorb heating agent import pipe 21 and absorption heating agent importing is absorbed
In heating agent receiving chamber 250, absorbing the absorption heating agent steam in heating agent receiving chamber 250 derives by absorbing heating agent derivation pipeline 22,
The absorption heating agent absorbed in heating agent receiving chamber 250 imports room by importing absorption heating agent by absorption heating agent circulating line 205
240, absorb heating agent circulating line 205 and be provided with absorption heat medium circulation pump 204.The vertical double down film that the embodiment of the present invention provides changes
Hot device achieves double down film inside and outside heat exchanger tube, improves absorption heating agent and the heat transfer effect of absorbent solution.
Absorbent solution in generator 300 is inputted absorbent solution and imports room 220 by the first absorbent solution circulating line 510.
Absorbent solution imports indoor and is provided with the second absorbent solution spray equipment 203, and the second absorbent solution spray equipment 203 and first absorbs
Solution circulating line 510 connects.First absorbent solution circulating line 510 and the second absorbent solution circulating line 520 are provided with suction
Receive solution heat exchanger 530.The outlet 531 of the solution heat exchanger 530 on the second solution circulating line 520 is arranged at generator
300。
Seeing Fig. 4, preferred as above-described embodiment, for solving further to use high-concentration absorbent solution to be likely to result in
Absorbent crystallizes the problem brought, and the generator 300 in the embodiment of the present invention also includes equipment for separating liquid from solid, works as absorbent solution
When absorbent in absorbent solution in flash chamber 301 crystallizes, absorbent solution is separated into containing absorbing by equipment for separating liquid from solid
Agent crystallization and the two parts without absorbent crystallization, wherein the absorbent solution without absorbent crystallization sprays through the second absorbent solution
Pipeline 305 is delivered to the second absorbent solution spray equipment 303, and the absorbent solution containing absorbent crystallization is by the first solution circulation pipe
Road 510 is delivered in absorber 200.By arranging equipment for separating liquid from solid in the present embodiment, the absorbent in absorbent solution is tied
Crystalline substance separates, and reduces the absorbent crystallization impact on generator 300 work further.It addition, fill by arranging solid-liquid separation
Put, make output carry out in the absorbent solution sprayed and do not contain or few containing crystallization, the absorption heat pump of the embodiment of the present invention can be made to adopt
With the generation thermal source of lower temperature grade.
Preferred as above-described embodiment, sees Fig. 4, and in the present embodiment, equipment for separating liquid from solid includes:
Liquid barrier 371, is connected with the internal face of the container body of the formation absorbent solution flash chamber 301 of generator 300, gear
Interlayer 374, absorbent solution flash chamber is formed between absorbent solution flash chamber 301 internal face of liquid plate 371 and generator 300
Absorbent solution in 301 is entered in interlayer by the interlayer entrance 375 of the lower end of liquid barrier 371；
Overflow launder 373, in the outside wall surface of the container body being formed at generator 300, for accommodating by spilling in interlayer 374
Absorbent solution；
Overfall 372, on the sidewall of the container body being opened in generator 300, overfall 372 connects interlayer 374 and overflow
Groove 373；
Second absorbent solution spray piping 305 connects with overflow launder 373, the first solution circulating line 510 and absorbent solution
The bottom connection of flash chamber 301；Wherein
When the absorbent of absorbent solution crystallizes, absorbent crystallization, is fallen when absorbent crystallizes along liquid barrier 371 to whereabouts
During liquid barrier 371 lower end, partially absorbing agent crystallization can flow up along interlayer with absorbent solution, enters into the absorbent in interlayer
Crystallization is fallen again in action of gravity, and falls the bottom of generator 300, the suction in interlayer along the container body internal face of generator
Receiving solution and realize solid-liquid separation, the absorbent solution on interlayer top is substantially free of crystallization, absorbent crystallization with absorbent solution by the
One solution circulating line 510 is delivered to absorber 200, and absorbent solution is entered in interlayer by liquid barrier 371 lower end, interlayer internal upper part
The absorbent solution not containing absorbent crystallization is divided to enter overflow launder 373 from overfall 372, and by the second absorbent solution shower
Road 305 is delivered to the second absorbent solution spray equipment 303.The equipment for separating liquid from solid simple in construction of the present embodiment, good separating effect.
Absorbent solution after flash distillation carries out solid-liquid separation in described equipment for separating liquid from solid, then by the absorption containing absorbent crystalline particle
Solution is sent to absorber；Owing to absorbent crystalline particle is tiny and has mobility, because of without causing absorbent solution circulating pump
550, the first absorbent solution spray equipment 203 and blocking of the first solution circulating line 510；Owing to absorbent is at generator
300 relatively low temperature, i.e. partial crystallization under relatively low dissolubility, and in the higher temperature of absorber 200, i.e. at higher dissolubility
Lower dissolving, makes absorber be able to the concentration absorbent solution higher than generator absorbent solution concentration, it might even be possible to be used in
Or close to the saturated concentration at a temperature of absorption, thus industrial exhaust heat can be made under conditions of relatively low generation heat source temperature grade
Obtain bigger temperature grade to promote, be allowed to be more convenient for recycling, it is thus possible to user bring significant energy-saving effect and
Economic benefit.Liquid barrier 371 should be obliquely installed, to improve separating effect.
Preferred as above-described embodiment, sees Fig. 2 and Fig. 3, the absorbent solution flash chamber of generator 300 301 times
The cross section in portion is gradually reduced, in infundibulate.The bottom funneling of the absorbent solution flash chamber 301 of generator 300 (works as appearance
When body is cylindrical shape, the bottom of absorbent solution flash chamber 301 is turbination), even if being not provided with liquid barrier 371 also to suction
Receive agent crystalline deposit to play a role.Can have it addition, the cross section of the bottom of absorbent solution flash chamber 301 is gradually reduced
Effect reduces the recoverable amount of liquid, so that the startup time of system is shorter, cost is lower, simultaneously compressive resistance and corrosion resistance
Higher.Meanwhile, absorbent can be made to crystallize the first absorbent solution being delivered in absorber 200 by the first solution circulating line 510
Spray equipment 203.
Preferred as above-described embodiment, the high temperature heat pump system of the embodiment of the present invention also includes cold-producing medium subcooler 62 He
Condensation working medium preheater 61, the hot-fluid side of cold-producing medium subcooler 62 and condensation working medium preheater 61 hot-fluid side are all and cold-producing medium
Pipeline 64 connects, and the cold-producing medium that compressor 60 outlet is flowed out flows through generation heat exchanger 302, condensation working medium preheater 61, system successively
Cryogen subcooler 62, choke valve 63 and absorption condensing heat exchanger 402, the cold flow side of cold-producing medium subcooler 62 and cooling water pipe
Road 51 connects, and the cold flow side of condensation working medium preheater 61 is connected with condensation working medium pipeline 61.
Preferred as above-described embodiment, connect be provided with on the refrigerant circulation pipe 64 of compressor 60 suction inlet for
Measure the temperature sensor 65 of refrigerant vapour temperature, when the temperature of refrigerant vapour is higher than the first design temperature, increase cold
But the flow of water, and when the temperature of refrigerant vapour is less than the second design temperature, reduce the flow of described cooling water, Qi Zhong
One temperature is higher than the second temperature.The present embodiment is according to the temperature sensing on the refrigerant circulation pipe being arranged at compressor suction
The temperature of device instruction regulates the flow of cold-producing medium subcooler cooling water, and the evaporating temperature of cold-producing medium can be made to maintain an ideal
Temperature range, thus the stable operation of vapor compression heat pump subsystem can be realized, and improve described high temperature heat pump further
The COP of system.
Preferred as above-described embodiment, the circulation of vapor compression heat pump subsystem is for using mixed non-azeotropic refrigerant
Or the Lorenz circulation of supercritical refrigerant.
Preferred as above-described embodiment, the absorbent of described second-kind absorption-type heat pump subsystem is LiNO3, working medium is
H2O.With LiNO3For absorbent, with H2O be the absorbent solution of working medium on the premise of same absorbent ability, to absorption heat pump
The corrosivity of structural material and heat exchange material is significantly less than LiBr absorbent solution.Described absorption heat pump cycle uses with LiNO3
For main absorber, with H2When O is working medium, heats temperature and may be up to 240 DEG C.
On the other hand, embodiments provide the round-robin method of the high temperature heat pump system of a kind of above-described embodiment, bag
Include vaporizer link, absorber link, generator link, condenser link and vapor compression heat pump link, wherein
Vaporizer link, working medium absorbs heat from the evaporation heating agent flowing through absorption evaporating heat exchanger and is evaporated to working medium steaming
Gas, described refrigerant vapor is transported in absorber；
Absorber link, absorbent solution absorbs the refrigerant vapor of absorption vaporizer generation and discharges absorption heat, described
Absorbing heat and export to outside by flowing through the absorption heating agent of absorption heat-exchange device, the absorbent solution in absorber is transported to generator
In；
Generator link, there is the heat of heating agent in absorbent solution, evaporation produces refrigerant vapor by occurring heat exchanger to absorb；
Refrigerant vapor is delivered to condenser；Absorbent solution obtains evaporation and concentration and cooling；Absorbent solution after concentration is delivered to absorber；
Condenser link, the refrigerant vapor producing generator carries out condensation absorption condensation heat, and described condensation heat is by flowing
Condensation heating agent in absorption condensing heat exchanger is taken away；Condense the condensation working medium of formation within the condenser via condensation working medium tube
Road is transported to vaporizer；
Vapor compression heat pump link, is its compression vaporizer with absorption condensing heat exchanger, and cold-producing medium is as evaporation
Heating agent inputs the cold flow side of absorption condensing heat exchanger, and to occur heat exchanger to be its compression condenser, cold-producing medium is as sending out
Heat matchmaker inputs the hot-fluid side that heat exchanger occurs.
The above, the only detailed description of the invention of the present invention, but protection scope of the present invention is not limited thereto, and any
Those familiar with the art, in the technical scope that the invention discloses, can readily occur in change or replace, should contain
Cover within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with described scope of the claims.
Claims (11)
1. high temperature heat pump system, including second be made up of generator, absorption chiller, absorption vaporizer and absorber
Class absorption heat pump subsystem, described absorption vaporizer and absorber pass through the first refrigerant vapor channel connection, described absorption
Formula condenser and generator are by the second refrigerant vapor channel connection, logical between described absorption chiller and absorption vaporizer
Crossing the connection of condensation working medium tube road, condensation working medium is delivered to absorption evaporation by absorption chiller by described condensation working medium pipeline
Device, is connected by the first solution circulating line and the second solution circulating line between described generator and absorber, described first
Absorbent solution is delivered to absorber by generator by solution circulating line, described second solution circulating line by absorbent solution by inhaling
Receiving device and be delivered to generator, described first solution circulating line and the second solution circulating line are provided with solution heat exchanger, described
Generator includes occurring heat exchanger, absorption chiller to include that absorption condensing heat exchanger, absorption vaporizer include absorption
Evaporating heat exchanger, absorber include absorption heat-exchange device, it is characterised in that also include vapor compression heat pump subsystem, described steaming
Gas compression heat pump subsystem includes compressor, compression condenser, choke valve, compression vaporizer and refrigerant cycle pipe
Road, wherein, described vapor compression heat pump subsystem is its compression vaporizer with described absorption condensing heat exchanger, with described
It is compression condenser that heat exchanger occurs.
High temperature heat pump system the most according to claim 1, it is characterised in that described generator includes absorbent solution flash distillation chamber
Room, the first absorbent solution spray equipment, the first absorbent solution spray piping, the first absorbent solution spray pump and generation heat exchange
Device, occurs heat exchanger to be located at the outside of absorbent solution flash chamber, and absorbent solution flash distillation is located at by the first absorbent solution spray equipment
Top in chamber, the first absorbent solution spray equipment and the first absorbent solution spray being located at outside absorbent solution flash chamber
Pipeline connects, and absorbent solution spray pump is located on the first absorbent solution spray piping, and the first absorbent solution spray piping will absorb
Absorbent solution in solution flash chamber is delivered to the first absorbent solution spray equipment and sprays, the first absorbent solution shower
Road is connected with the cold flow side that heat exchanger occurs, and described refrigerant circulation pipe is connected with the hot-fluid side that heat exchanger occurs.
High temperature heat pump system the most according to claim 1, it is characterised in that on the condensing chamber of described absorption chiller
Side is provided with the first condensation working medium spray equipment, is provided with the first condensation working medium receptor, described absorption condensation below condensing chamber
The outside of described condensing chamber is located at by heat exchanger, and described first condenses working medium spray equipment and be located at outside described condensing chamber
First condensation working medium spray piping connects, and described first condensation working medium spray piping is by the condensation in the first condensation working medium receptor
Working medium is delivered to the first condensation working medium spray equipment, and described first condensation working medium spray piping is provided with the first condensation working medium spray
Pump, the first condensation working medium spray piping is connected with the hot-fluid side of absorption condensing heat exchanger, and described vapor compression heat pump follows
The refrigerant circulation pipe of the choke valve outlet side of loop subsystems is connected with the cold flow side of absorption condensing heat exchanger.
High temperature heat pump system the most according to claim 1, it is characterised in that described absorption condensing heat exchanger is arranged at institute
State in the condensing chamber of absorption chiller, the condensation heating agent entrance of described absorption condensing heat exchanger and described steam compression type
The refrigerant circulation pipe of the choke valve outlet side of heat pump cycle subsystem connects, the condensation heating agent of absorption condensing heat exchanger
Outlet is connected with the refrigerant circulation pipe of the compressor suction side of described vapor compression heat pump cycle subsystem.
High temperature heat pump system the most according to claim 4, it is characterised in that described absorption condensing heat exchanger is vertical double
Falling film heat transfer device, described vertical double down film heat exchanger includes:
Heat exchanger tube；
Heat exchanger tube upper head plate, is connected with the upper end of heat exchanger tube；
Heat exchanger tube bottom plate, is connected with the lower end of heat exchanger tube；
Refrigerant vapor imports room, is positioned at the lower section of heat exchanger tube bottom plate, and refrigerant vapor imports indoor refrigerant vapor from heat exchanger tube
Lower end flow in heat exchanger tube, and condense on the inwall of heat exchanger tube, condensation working medium formed on the inwall of heat exchanger tube in falling liquid film；
Working medium receptor, is positioned at the lower section of heat exchanger tube bottom plate, the condensation working medium flowed out within accommodating heat exchanger tube；
Cold-producing medium imports room, and it is heat exchanger tube upper head plate that described cold-producing medium imports the top board of room, and base plate is liquid distributing hole plate, liquid distributing hole plate
On there is the liquid distributing hole passed for heat exchanger tube, the aperture of liquid distributing hole is more than the external diameter of heat exchanger tube, the outside wall surface of heat exchanger tube and cloth
Forming gap between fluid apertures plate, the cold-producing medium of vapor compression heat pump subsystem passes through condensation heat as the condensation heating agent of condenser
Matchmaker's entrance imports cold-producing medium and imports indoor, and cold-producing medium is flowed out by the gap between heat exchanger tube and liquid distributing hole plate, and at heat exchanger tube
Outside wall surface on form outer falling liquid film, the condensation heat of refrigerant suction refrigerant vapor and be evaporated to refrigerant vapour；
Cold-producing medium receiving chamber, is positioned at the top of heat exchanger tube bottom plate, described cold-producing medium receiving chamber be used for accommodating refrigerant vapour and
The cold-producing medium flowed down along heat exchanger tube, the condensation heating agent that is arranged over of cold-producing medium receiving chamber exports, and refrigerant vapour passes through condensation heat
Matchmaker exports derivation, and inputs compressor by refrigerant circulation pipe.
High temperature heat pump system the most according to claim 5, it is characterised in that the week of each liquid distributing hole on described liquid distributing hole plate
Having the protuberance that at least two radially extends along liquid distributing hole on line, described protuberance is used for positioning heat exchanger tube, convex described at least two
Portion is uniformly distributed on the contour of liquid distributing hole.
High temperature heat pump system the most according to claim 1, it is characterised in that also include cold-producing medium subcooler and condensation working medium
Preheater, the hot-fluid side of described cold-producing medium subcooler and condensation working medium preheater hot fluid side are all connected with refrigerant tubing,
Compressor outlet flow out cold-producing medium successively flow through generation heat exchanger, condensation working medium preheater, cold-producing medium subcooler, choke valve and
Absorption condensing heat exchanger, the cold flow side of described cold-producing medium subcooler is connected with cooling water pipeline, and described condensation working medium preheats
The cold flow side of device is connected with condensation working medium pipeline.
High temperature heat pump system the most according to claim 7, it is characterised in that connect the cold-producing medium of described compressor suction
The temperature sensor for measuring refrigerant vapour temperature it is provided with, when the temperature of refrigerant vapour is higher than first on circulating line
During design temperature, increase the flow of described cooling water, and when the temperature of refrigerant vapour is less than the second design temperature, reduce institute
Stating the flow of cooling water, wherein the first temperature is higher than the second temperature.
High temperature heat pump system the most according to claim 1, it is characterised in that following of described vapor compression heat pump subsystem
Ring is the Lorenz circulation using mixed non-azeotropic refrigerant or supercritical refrigerant.
High temperature heat pump system the most according to claim 1, it is characterised in that described second-kind absorption-type heat pump subsystem
Absorbent be LiNO3, working medium is H2O。
The round-robin method of the high temperature heat pump system described in 11. claim 1, including vaporizer link, absorber link, generator
Link, condenser link and vapor compression heat pump link, wherein
Vaporizer link, working medium absorbs heat from the evaporation heating agent flowing through absorption evaporating heat exchanger and is evaporated to refrigerant vapor,
Described refrigerant vapor is transported in absorber；
Absorber link, absorbent solution absorbs the refrigerant vapor of absorption vaporizer generation and discharges absorption heat, described absorption
Heat exports to outside by flowing through the absorption heating agent of absorption heat-exchange device, and the absorbent solution in absorber is transported in generator；
Generator link, there is the heat of heating agent in absorbent solution, evaporation produces refrigerant vapor by occurring heat exchanger to absorb；Working medium
Steam is delivered to condenser；Absorbent solution obtains evaporation and concentration and cooling；Absorbent solution after concentration is delivered to absorber；
Condenser link, the refrigerant vapor producing generator carries out condensation absorption condensation heat, and described condensation heat is by flowing through suction
Condensation heating agent in receipts formula condensing heat exchanger is taken away；The condensation working medium condensing formation within the condenser is defeated via condensation working medium pipeline
Deliver to vaporizer；
Vapor compression heat pump link, is its compression vaporizer with absorption condensing heat exchanger, and cold-producing medium is as evaporation heating agent
Inputting the cold flow side of absorption condensing heat exchanger, to occur heat exchanger to be its compression condenser, cold-producing medium is as heat occurs
Matchmaker inputs the hot-fluid side that heat exchanger occurs.
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| CN201610721352.5A CN106196726B (en) | 2016-08-24 | 2016-08-24 | High temperature heat pump system and its round-robin method |
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| CN201610721352.5A CN106196726B (en) | 2016-08-24 | 2016-08-24 | High temperature heat pump system and its round-robin method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106524578A (en) * | 2016-12-16 | 2017-03-22 | 北京联力源科技有限公司 | Absorption energy storage system, energy supply system and method |
| CN109827421A (en) * | 2019-03-18 | 2019-05-31 | 青岛创客机械设备制造有限公司 | A kind of superhigh temperature industrial heat pump drying unit |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3053056A (en) * | 1960-03-02 | 1962-09-11 | Carrier Corp | Absorption refrigeration systems and control arrangements therefor |
| CN2041793U (en) * | 1988-03-05 | 1989-07-26 | 王晓云 | Compound regenerative type refrigeration system |
| CN2773566Y (en) * | 2004-07-30 | 2006-04-19 | 龚文浩 | Spraying multi-effect absorbing heat-energy refrigerator with gas-liquid-solid circulation |
| CN101135511A (en) * | 2007-10-10 | 2008-03-05 | 梁任雪 | Compression-absorption mixed refrigerating device |
| CN201100780Y (en) * | 2007-10-10 | 2008-08-13 | 梁任雪 | Compression-absorption mixed refrigerator |
| CN103090593A (en) * | 2011-11-07 | 2013-05-08 | 北京科技大学 | Heat pump cycle system, heat pump cycle method and vaporization system |
| CN205332595U (en) * | 2015-12-31 | 2016-06-22 | 上海理工大学 | Vapor compression formula air conditioner and refrigerating plant who absorbs combination of formula air conditioner |
| CN206056011U (en) * | 2016-08-24 | 2017-03-29 | 北京联力源科技有限公司 | High temperature heat pump system |
-
2016
- 2016-08-24 CN CN201610721352.5A patent/CN106196726B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3053056A (en) * | 1960-03-02 | 1962-09-11 | Carrier Corp | Absorption refrigeration systems and control arrangements therefor |
| CN2041793U (en) * | 1988-03-05 | 1989-07-26 | 王晓云 | Compound regenerative type refrigeration system |
| CN2773566Y (en) * | 2004-07-30 | 2006-04-19 | 龚文浩 | Spraying multi-effect absorbing heat-energy refrigerator with gas-liquid-solid circulation |
| CN101135511A (en) * | 2007-10-10 | 2008-03-05 | 梁任雪 | Compression-absorption mixed refrigerating device |
| CN201100780Y (en) * | 2007-10-10 | 2008-08-13 | 梁任雪 | Compression-absorption mixed refrigerator |
| CN103090593A (en) * | 2011-11-07 | 2013-05-08 | 北京科技大学 | Heat pump cycle system, heat pump cycle method and vaporization system |
| CN205332595U (en) * | 2015-12-31 | 2016-06-22 | 上海理工大学 | Vapor compression formula air conditioner and refrigerating plant who absorbs combination of formula air conditioner |
| CN206056011U (en) * | 2016-08-24 | 2017-03-29 | 北京联力源科技有限公司 | High temperature heat pump system |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106524578A (en) * | 2016-12-16 | 2017-03-22 | 北京联力源科技有限公司 | Absorption energy storage system, energy supply system and method |
| CN109827421A (en) * | 2019-03-18 | 2019-05-31 | 青岛创客机械设备制造有限公司 | A kind of superhigh temperature industrial heat pump drying unit |
| CN109827421B (en) * | 2019-03-18 | 2023-11-24 | 青岛创客机械设备制造有限公司 | Superhigh temperature industry heat pump drying device |
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| Publication number | Publication date |
|---|---|
| CN106196726B (en) | 2019-04-19 |
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Effective date of registration: 20200918 Address after: No.48 Xiaoguang Road, Yuhua District, Changsha City, Hunan Province Patentee after: Hunan chemical chain Technology Co., Ltd Address before: 100083 room 30, electrical machinery building, No. 1108, Haidian District, Beijing, Xueyuan Road Patentee before: BEIJING LIANLIYUAN TECHNOLOGY Co.,Ltd. |