CN206056011U - High temperature heat pump system - Google Patents
High temperature heat pump system Download PDFInfo
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- CN206056011U CN206056011U CN201620937911.1U CN201620937911U CN206056011U CN 206056011 U CN206056011 U CN 206056011U CN 201620937911 U CN201620937911 U CN 201620937911U CN 206056011 U CN206056011 U CN 206056011U
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Abstract
The utility model discloses a kind of high temperature heat pump system, including second-kind absorption-type heat pump subsystem and vapor compression heat pump subsystem,, with the absorption condensing heat exchanger of second-kind absorption-type heat pump subsystem as its compression vaporizer, the generation heat exchanger with second-kind absorption-type heat pump subsystem is as compression condenser for vapor compression heat pump subsystem.This utility model solves the problems, such as that vapor compression heat pump is difficult to produce heat of high temperature and second-kind absorption-type heat pump has to be used to be driven rather than reparation technology steam by most process waste.
Description
Technical field
This utility model is related to the technical field of heat pumps of Thermal Power Engineering, more particularly to a kind of high temperature heat pump system.
Background technology
It is due to control of the Montreal Protocol to ozone-layer depleting substance, difficult with the vapor compression heat pump of driven by power
To find function admirable and eco-friendly high boiling point cold-producing medium is producing more than 100 DEG C of heat of high temperature.So, in industry neck
In domain, for the use thermal process for generally needing 120 DEG C of process above steam of saturation temperature, vapor compression heat pump cannot be had
The application of effect.Therefore, for industrial energy saving field, research and development can be produced using low-grade process waste more than 120 DEG C and be satisfied
It is extremely important with the electric drive high temperature heat pump technology of the process steam of temperature.For high temperature heat pump, which is accessible to heat temperature
More high then range of application is wider.As electric drive high temperature heat pump is not with warm as driving source, thus have can be by more than most of technique
Heat is promoted to the advantage of process steam.
On the other hand, process waste system that usually can be to be discharged with thermal process with the second-kind absorption-type heat pump of thermal drivers
The process steam needed for thermal process is taken, which heats temperature and only heat pump material corrosive properties is limited by adopted absorbent solution,
That is, when heat temperature more than a certain limiting temperature when, heat pump due to material be subject to absorbent solution heavy corrosion and nothing
Method is normally run.For the LiBr/H with LiBr as absorbent, with water as working medium2O working medium pair, the limiting temperature are 165 DEG C left
It is right.And for LiCl/H2O and CaCl2/H2O working medium pair, its limiting temperature are much lower.When second-kind absorption-type heat pump by with
When energy-conservation with thermal process, due to its heating efficiency (COP) about 0.48, about 52% process waste is used for driving and nothing
Method is converted into process steam.So, the user higher for process steam price, energy-saving efficiency just receive shadow with economic benefit
Ring.
Utility model content
In view of this, this utility model embodiment provides a kind of high temperature heat pump system and its round-robin method, and main purpose is
In order to solve, vapor compression heat pump is difficult to produce heat of high temperature and second-kind absorption-type heat pump is had to most technique
Waste heat is used for the problem for being driven rather than reparation technology steam.
To reach above-mentioned purpose, this utility model mainly provides following technical scheme：
On the one hand, this utility model embodiment provides a kind of high temperature heat pump system, including by generator, absorption condensation
The second-kind absorption-type heat pump subsystem of device, absorption vaporizer and absorber composition, the absorption vaporizer and absorption
Device passes through the second refrigerant vapor channel connection by the first refrigerant vapor channel connection, the absorption chiller and generator,
By condensing working medium pipeline communication between the absorption chiller and absorption vaporizer, the condensation working medium pipeline will be condensed
Working medium is delivered to absorption vaporizer by absorption chiller, passes through the first solution circulation pipe between the generator and absorber
Absorbent solution is delivered to absorber by generator by road and the connection of the second solution circulating line, the first solution circulating line,
Absorbent solution is delivered to generator, the first solution circulating line and second by absorber by the second solution circulating line
Solution circulating line is provided with solution heat exchanger, and it is absorption that the generator includes that generation heat exchanger, absorption chiller include
Condensing heat exchanger, absorption vaporizer include that absorption evaporating heat exchanger, absorber include absorption heat-exchange device, also including vapour pressure
Contracting formula heat pump subsystem, the vapor compression heat pump subsystem include compressor, compression condenser, choke valve, compression
Vaporizer and refrigerant circulation pipe, wherein, the vapor compression heat pump subsystem with the absorption condensing heat exchanger is
Its compression vaporizer, with the generation heat exchanger as compression condenser.
Preferably, the generator includes that absorbent solution flash chamber, the first absorbent solution spray equipment, first absorb
, there is heat exchanger and be located at absorbent solution flash chamber in solution spraying pipeline, the first absorbent solution spray pump and generation heat exchanger
Outside, top of the first absorbent solution spray equipment in the absorbent solution flash chamber, the first absorbent solution spray equipment
It is connected with the first absorbent solution spray piping outside absorbent solution flash chamber, absorbent solution spray pump is inhaled located at first
Receive 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 is sprayed, 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.
Preferably, the first condensation working medium spray equipment is provided with above the condensing chamber of the absorption chiller, condense
The first condensation working medium receptor is provided with below chamber, the absorption condensing heat exchanger is located at the outside of the condensing chamber, institute
State the first condensation working medium spray equipment to be connected with the first condensation working medium spray piping outside the condensing chamber, described the
One condensation working medium spray piping condenses the condensation working medium in working medium receptor by first and is delivered to the first condensation working medium spray equipment,
The first condensation working medium spray piping is provided with the first condensation working medium spray pump, the first condensation working medium spray piping with it is absorption
The hot-fluid side connection of condensing heat exchanger, the cold-producing medium of the throttling valve outlet port side of the vapor compression heat pump cycle subsystem
Circulating line is connected with the cold flow side of absorption condensing heat exchanger.
Preferably, the absorption condensing heat exchanger is arranged in the condensing chamber of the absorption chiller, it is described
The condensation heating agent entrance of absorption condensing heat exchanger and the throttling valve outlet port side of the vapor compression heat pump cycle subsystem
Refrigerant circulation pipe connection, absorption condensing heat exchanger condensation heating agent outlet and the vapor compression heat pump circulation son
The refrigerant circulation pipe connection of the compressor suction side of system.
Preferably, the absorption condensing heat exchanger is vertical double down film heat exchanger, the 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, and positioned at the lower section of heat exchanger tube bottom plate, refrigerant vapor imports indoor refrigerant vapor and changes certainly
The lower end of heat pipe is flowed in heat exchanger tube, and is condensed on the inwall of heat exchanger tube, and condensation working medium forms interior on the inwall of heat exchanger tube
Falling liquid film；
First condensation working medium receptor, positioned at the lower section of heat exchanger tube bottom plate, for accommodating the condensation flowed out in heat exchanger tube
Working medium；
Cold-producing medium imports room, and it is heat exchanger tube upper head plate that the cold-producing medium imports the top board of room, and base plate is liquid distributing hole plate, cloth liquid
With the liquid distributing hole passed through 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
Gap is formed 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 interior, and cold-producing medium is flowed out by the gap between heat exchanger tube and liquid distributing hole plate, and is being changed
Outer falling liquid film is formed 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, positioned at the top of heat exchanger tube bottom plate, the cold-producing medium receiving chamber is used to accommodate cold-producing medium steaming
Gas and the cold-producing medium flowed down along heat exchanger tube, are provided with condensation heating agent outlet above cold-producing medium receiving chamber, refrigerant vapour is by cold
Solidifying heating agent outlet is derived, and is input into compressor by refrigerant circulation pipe.
Preferably, radially extending along liquid distributing hole with least two on the contour of each liquid distributing hole on the liquid distributing hole plate
Convex portion, the convex portion be used for position heat exchanger tube, convex portion described at least two is uniformly distributed on the contour of liquid distributing hole.
Preferably, the evaporating heat exchanger is described vertical double down film heat exchanger, the evaporating heat exchanger is located at steaming
The evaporation within the chamber of device is sent out, 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 is imported room and is led to the first fluid receptor below heat exchanger tube bottom plate
The connection of working medium circulation pipeline is crossed, first fluid is imported room and is connected by condensing 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, preferably, first fluid imports interior is provided with first fluid spray equipment.Flow out first fluid and import room
Working medium flow downward to form interior falling liquid film along the internal face of heat exchanger tube；Second fluid imports indoor evaporation heating agent along heat exchanger tube
Outside wall surface flows downward to form outer falling liquid film, and working medium carries out heat exchange by heat exchanger tube with evaporation heating agent, and part working medium receives thermal evaporation
For steam, refrigerant vapor Jing the first refrigerant vapor passage inflow absorbers, condensation working medium flow into first fluid receptor.
When it is steam to evaporate heating agent, preferably, 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 be not provided with liquid distribution plate, evaporation heating agent forms liquid heat of evaporation after the condensation of heat exchanger tube outer tube wall
The outer falling liquid film of matchmaker.
Preferably, the absorption heat-exchange device is described vertical double down film heat exchanger, the absorption heat-exchange device is located at suction
Receive in the absorption chamber of device, wherein
First fluid in the absorption heat-exchange device is absorbent solution, and second fluid is to absorb 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 connects generator by the second solution circulating line；
Liquid distributing hole plate, the absorbing cavity between the heat exchanger tube upper head plate and liquid distributing hole plate are provided with below heat exchanger tube upper head 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；
The connection of second fluid receiving chamber absorbs heating agent import pipe and absorbs heating agent derives pipeline, absorbs heating agent import pipe
Heating agent input second fluid receiving chamber will be absorbed, 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 and second fluid is received into indoor
Absorb heating agent be delivered to second fluid import room, absorb heating agent pass through between heat exchanger tube outside wall surface and liquid distributing hole plate between clearance flow
Go out, and the outer wall in heat exchanger tube forms outer falling liquid film；
First fluid import indoor absorbent solution along the internal face of heat exchanger tube flow downward to form interior falling liquid film while inhale
The refrigerant vapor produced in vaporizer the absorption heat for discharging high temperature are received, absorbent solution is carried out by heat exchanger tube with heating agent is absorbed
Heat exchange, absorbs the absorption heating agent Jing absorption heating agent derivation pipeline outputs that the high temperature absorbs heat.Preferably, first fluid is led
Enter interior and be provided with first fluid spray equipment.
Preferably, for partially absorb in heat exchange heating agent be evaporated to absorption heating agent steam in the case of, will absorb heating agent import
Pipe installing derives the lower section of room in second fluid and absorbing heating agent derives the top that pipeline is arranged on second fluid derivation room；And
When absorption heating agent steam is not produced, heating agent import pipe will be absorbed and be arranged on second fluid importing room and absorbed heating agent
The lower section that pipeline is arranged on second fluid derivation room is derived, now absorber can not set absorption heating agent circulating line and absorb heat
Matchmaker's circulating pump.
Preferably, the vaporizer and the absorber share a vertical vessel, the vaporizer is located at the appearance
The top of device, the absorber are located at the lower section of the container.Preferably, the vaporizer and the absorber share it is vertical
Container is vertical cylindrical container.
Preferably, also including cold-producing medium subcooler and condensation working medium preheater, the hot fluid of the cold-producing medium subcooler
Side and condensation working medium preheater hot fluid side are connected with refrigerant tubing, and the cold-producing medium that compressor outlet flows out is flowed through successively to be sent out
Raw heat exchanger, condensation working medium preheater, cold-producing medium subcooler, choke valve and absorption condensing heat exchanger, the cold-producing medium are supercool
The cold flow side of device is connected with cooling water pipeline, and the cold flow side of the condensation working medium preheater is connected with condensation working medium pipeline.
Preferably, being provided with the refrigerant circulation pipe of the connection compressor suction for determining cold-producing medium steaming
The temperature sensor of temperature degree, when the temperature of refrigerant vapour is higher than the first design temperature, increases the flow of the cooling water,
And when the temperature of refrigerant vapour is less than the second design temperature, the flow of the reduction cooling water, wherein the first temperature is higher than
Second temperature.
Preferably, the circulation of the vapor compression heat pump subsystem is using mixed non-azeotropic refrigerant or super faces
The Lorenz circulation of boundary's cold-producing medium.
Preferably, the absorbent of the second-kind absorption-type heat pump subsystem is LiNO3, working medium is H2O。
Compared with prior art, the beneficial effects of the utility model are：
The high temperature heat pump system of this utility model embodiment organically combines vapor compression heat pump and Equations of The Second Kind absorbs
Formula heat pump, the cold-producing medium (R22 and R134a etc.) of conventional low boiling, zero or low-ozone consume latent energy value (ODP) can be adopted with
And conventional absorption working medium is to (LiBr/H2O), it is difficult to produce heat of high temperature and the so as to solve vapor compression heat pump simultaneously
Two class absorption heat pumps have to be used to be driven rather than the shortcoming of reparation technology steam by most process waste, will can use
The most process waste of thermal process is converted into the process steam of more than 120 DEG C of saturation temperature, so as to realize with thermal process
Significantly energy-conservation.The low user of power price for steam price height, its economic benefit are especially pronounced.
For this utility model high temperature heat pump system shown in Fig. 1, as the absorbent solution heating of absorption generator is born
The condensation working medium cooling load of lotus and absorption chiller has the characteristic of temperature-variable heat source, so, the vapor compression heat pump
It is higher that circulation adopts the Lorenz circulation with mixed non-azeotropic refrigerant or supercritical refrigerant as cold-producing medium to be obtained in that
COP。
For this utility model high temperature heat pump system described in Fig. 3, the absorption cold of vertical double down film heat exchanger is employed
Solidifying heat exchanger that is, compression vaporizer, compare with flooded evaporator with conventional dry evaporator, big with heat transfer intensity
The characteristics of heat transfer temperature difference is little few with cold-producing medium usage amount, thus the advantage of and low cost of manufacture high with COP.
Utility model people found under study for action, with LiNO3For absorbent, with H2O is the absorbent solution of working medium in identical suction
On the premise of receipts ability, LiBr absorbent solutions are significantly less than to the corrosivity of the structural material and heat exchange material of absorption heat pump.
The absorption heat pump cycle is adopted with LiNO3For main absorber, with H2When O is working medium, heats temperature and may be up to 240 DEG C.
Indicated according to the refrigerant vapour temperature sensor being arranged on the refrigerant circulation pipe of compressor suction
Temperature can make the evaporating temperature of cold-producing medium maintain a preferable temperature model adjusting the flow of cold-producing medium subcooler cooling water
Enclose, so as to be capable of achieving the stable operation of vapor compression heat pump subsystem, and further improve the high temperature heat pump system
COP。
By condensation working medium preheater being arranged between the absorption generation heat exchanger and choke valve, can improve high warm
The COP of pump circulation system.
Cause heat and mass obstacle as absorbent can be avoided to crystallize on the heat-transfer surface that heat exchanger occurs, especially have
Beneficial to the second-kind absorption-type heat pump circulation worked under high-concentration absorbent solution condition.Again due to of the present utility model absorption
Generation heat exchanger adopts contra-flow heat exchanger, is advantageous to adopt with mixed non-azeotropic refrigerant or supercritical refrigerant as system
The situation of the Lorenz circulation of cryogen.
Second-kind absorption-type heat pump blood circulation of the present utility model can also be in absorber absorbent solution concentration higher than generation
Work under conditions of device absorbent solution concentration, therefore can realize, using more low-grade driving heat source, obtaining larger work
Amateurish heat (also including underground heat and solar heat etc.) temperature grade is lifted, so as to be allowed to be more convenient for recycling, it is thus possible to give
User brings significant energy-saving effect and economic benefit.
By making absorbent crystalline particle tinyization of supersaturation partial crystallization and having mobility, this utility model can be effective
Generation heat exchanger heat transfer mass transfer obstacle that ground overcomes that existing second-kind absorption-type heat pump faced, being caused by absorbent crystallization with
And the blockage problem of pipeline etc..
Description of the drawings
Fig. 1 is the structural representation of the high temperature heat pump system of this utility model embodiment 1.
Fig. 2 is the structural representation of the high temperature heat pump system of this utility model embodiment 2.
Fig. 3 is the structural representation of the high temperature heat pump system of this utility model embodiment 3.
Fig. 4 is the structural representation of the high temperature heat pump system of this utility model embodiment 4.
Specific embodiment
This utility model is described in further detail with reference to specific embodiment, but not as to of the present utility model
Limit.In the following description, what different " embodiment " or " embodiment " referred to is not necessarily same embodiment.Additionally, one or
Special characteristic, structure or feature in multiple embodiments can be combined by any suitable form.
Fig. 1 is the structural representation of the high temperature heat pump system of this utility model embodiment 1；Fig. 2 is that this utility model is implemented
The structural representation of the high temperature heat pump system of example 2；Fig. 3 is the structural representation of the high temperature heat pump system of this utility model embodiment 3
Figure；Fig. 4 is the structural representation of the high temperature heat pump system of this utility model embodiment 4.Referring to Fig. 1 to Fig. 4, high temperature heat pump system
System, inhales including the Equations of The Second Kind being made up of generator 300, absorption chiller 400, absorption vaporizer 100 and absorber 200
Receipts formula heat pump subsystem, absorption vaporizer 100 and absorber 200 are connected by the first refrigerant vapor passage 700, absorption cold
Condenser 400 is connected by the second refrigerant vapor passage 800 with generator 300, absorption chiller 400 and absorption vaporizer
Connected by condensing working medium pipeline 610 between 100, condensation working medium is conveyed by condensation working medium pipeline 610 by absorption chiller 400
To absorption vaporizer 100, followed by the first solution circulating line 510 and the second solution between generator 300 and absorber 200
Endless tube road 520 is connected, and absorbent solution is delivered to absorber by generator 300 by the first solution circulating line 510, and the second solution is followed
Absorbent solution is delivered to generator 300 by absorber 200 by endless tube road 520, and the first solution circulating line 510 and the second solution are followed
Endless tube road 520 is provided with solution heat exchanger 530, and generator 300 includes that heat exchanger 302, absorption chiller 400 occur to be included inhaling
Receipts formula condensing heat exchanger 402, absorption vaporizer 100 includes that absorption evaporating heat exchanger 102, absorber 200 include that absorption is changed
Hot device 202, also including vapor compression heat pump subsystem, vapor compression heat pump subsystem includes that compressor 60, compression is cold
Condenser, choke valve 63, compression vaporizer and refrigerant circulation pipe 64, wherein, vapor compression heat pump subsystem is absorbing
Formula condensing heat exchanger 402 is its compression vaporizer, there is heat exchanger 302 as its compression condenser.
The high temperature heat pump system of this utility model embodiment organically combines vapor compression heat pump and Equations of The Second Kind absorbs
Formula heat pump, with absorption condensing heat exchanger 402 as the compression vaporizer of vapor compression heat pump subsystem, there is heat exchanger
302 is the compression condenser of vapor compression heat pump subsystem.The high temperature heat pump system of this utility model embodiment can be adopted
Conventional low boiling, zero or low-ozone consume latent energy value (ODP) cold-producing medium (R22 and R134a etc.) and conventional absorption
Working medium is to (LiBr/H2O), it is difficult to produce heat of high temperature and Equations of The Second Kind absorption type heat so as to solve vapor compression heat pump simultaneously
Pump has to be used to be driven rather than the shortcoming of reparation technology steam by most process waste, can will be almost complete with thermal process
The process waste in portion is converted into the process steam of more than 120 DEG C of saturation temperature, so as to realize the significantly energy-conservation with thermal process.It is right
In the steam price height low user of power price, its economic benefit is especially pronounced.Due to the absorbent solution of absorption generator
The condensation working medium cooling load of heating load and absorption chiller has the characteristic of temperature-variable heat source, so, it is described steam compressed
Formula heat pump cycle adopts the Lorenz with mixed non-azeotropic refrigerant or supercritical refrigerant as cold-producing medium to circulate and is obtained in that
Higher COP.
Used as the preferred of above-described embodiment, generator 300 includes absorbent solution flash chamber 301, the spray of the first absorbent solution
Shower device 303, the first absorbent solution spray piping 305, the first absorbent solution spray pump 304 and generation heat exchanger 302, occur
Heat exchanger 302 is dodged located at absorbent solution located at the outside of absorbent solution flash chamber 301, the first absorbent solution spray equipment 303
Steam the top in chamber 301, the first absorbent solution spray equipment 303 and first outside absorbent solution flash chamber 301
Absorbent solution spray piping 305 connects, and on the first absorbent solution spray piping 305, first inhales absorbent solution spray pump 304
Receive solution spraying pipeline 305 and the absorbent solution in absorbent solution flash chamber 301 is delivered to into the first absorbent solution spray equipment
303 are sprayed, 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 common absorbent solution evaporation chamber of generator 300 is changed to absorbent solution flash chamber by the present embodiment, will be sent out
Raw heat exchanger 302 makes absorbent solution located at the outside of absorbent solution flash chamber 301 based on the principle of vacuum insulation flash distillation
Fine drop carries out vacuum insulation flash distillation in the absorbent solution flash chamber 301 in generator 300.It is molten than common absorption
The cross-current heat exchanger tube that liquid evaporation chamber is adopted, the generation heat exchanger 302 in the present embodiment adopt adverse current plate heat exchanger, can be real
Existing completely countercurrent flow, so as to improving heat transfer intensity and reducing heat transfer temperature difference, and can be more efficient utilization temperature-variable heat source,
Using heating agent include water, hot-air, conduction oil, superheated steam and the steam containing on-condensible gas etc..Employ this practicality new
The second-kind absorption-type heat pump of the generator that type embodiment is provided can adopt high-concentration absorbent solution.Even if absorbent solution is obtained
Evaporation and concentration and cooling, make absorbent generation supersaturation and partial crystallization goes out crystalline particle, as the tiny crystalline particle for producing can
Flow with absorbent solution, therefore, partially crystallizable is delivered to after generation heat exchanger 302 by the second absorbent solution spray piping 305, Jing
Heat exchange, crystallization can be dissolved.Do not deposit in the prior art heat-transfer surface the problems such as crystallization causes heat and mass to be obstructed.In addition,
Second-kind absorption-type heat pump subsystem in the present embodiment is suitable for using the low-temperature heat source with temperature-variable heat source characteristic.Can keep away
Exempt from absorbent to crystallize on the heat-transfer surface that heat exchanger occurs and cause heat and mass obstacle, therefore, it is particularly advantageous in high concentration
Work under the conditions of absorbent solution.Due to can be in absorber absorbent solution concentration higher than work under conditions of generator absorbent solution concentration
Make, therefore can realize, using more low-grade generation thermal source, larger industrial exhaust heat being obtained (also including underground heat and solar energy
Heat etc.) lifting of temperature grade, so as to be allowed to be more convenient for recycling, it is thus possible to bring significant energy-saving effect and Jing to user
Ji benefit.
As the preferred of above-described embodiment, referring to Fig. 1, above the condensing chamber 401 of absorption chiller 400, first is provided with
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 located at the outside of condensing chamber 401, and the first condensation working medium spray equipment 403 is cold with first outside condensing chamber 401
Solidifying working medium spray piping 405 connects, and the first condensation working medium spray piping 405 condenses the condensation in working medium receptor 406 by first
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 spray of the first condensation working medium
Pump 404 is drenched, 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 throttling valve outlet port side of heat pump cycle subsystem and the cold flow body of absorption condensing heat exchanger 402
Side connects.Will be absorption condensing heat exchanger 402 external in the present embodiment, achievable working medium is in absorption condensing heat exchanger 402
Carry out countercurrent flow.Absorption condensing heat exchanger 402 can adopt plate type heat exchanger, realize completely countercurrent flow, improve and change
Thermal effect.
Alternatively, also can embodiment as shown in Figure 2, absorption condensing heat exchanger 402 is located at condensing chamber
Inside 401, now, can also be not provided with the first condensation working medium spray equipment 403, the refrigerant vapor that generator is produced with located at interior
The absorption condensing heat exchanger 402 in portion is cooled down after exchanging heat.Absorption condensing heat exchanger 402 is arranged at absorption chiller 400
In condensing chamber 401, the condensation heating agent entrance and the section of vapor compression heat pump cycle subsystem of absorption condensing heat exchanger 402
The refrigerant circulation pipe connection of stream valve outlet port side, the outlet of condensation heating agent and the vapour pressure of absorption condensing heat exchanger
The refrigerant circulation pipe connection of the compressor suction side of contracting formula heat pump cycle subsystem.
As the preferred of above-described embodiment, referring to Fig. 3 and Fig. 4, absorption condensing heat exchanger 402 is vertical pair of Falling film heat transfer
Device, the vertical double down film heat exchanger include：
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, and positioned at the lower section of heat exchanger tube bottom plate 470, refrigerant vapor imports the working medium in room 420
Steam is flowed in heat exchanger tube 420 from the lower end of heat exchanger tube 410, and is condensed 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, positioned at the lower section of heat exchanger tube bottom plate 470, for accommodating stream in heat exchanger tube 420
The condensation working medium for going 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, the aperture on liquid distributing hole plate 441 with the liquid distributing hole 442 passed through for heat exchanger tube 420, liquid distributing hole 442 is more than heat exchanger tube
420 external diameter, forms gap, the system of vapor compression heat pump subsystem between the outside wall surface and liquid distributing hole plate 441 of heat exchanger tube 420
Cryogen is imported in cold-producing medium importing room 440 by condensing heating agent entrance as the condensation heating agent of condenser, and cold-producing medium is by heat exchange
Gap between pipe 420 and liquid distributing hole plate 441 is flowed out, and outer falling liquid film, refrigerant suction are formed 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, positioned at the top of heat exchanger tube bottom plate 470, cold-producing medium receiving chamber 450 is used to accommodate refrigeration
Agent steam and the cold-producing medium flowed down along heat exchanger tube, the top of cold-producing medium receiving chamber 450 are provided with condensation heating agent outlet, refrigerant vapour
Gone out by condensing heating agent outlet guide, and compressor 60 is input into by refrigerant circulation pipe 64.This utility model embodiment is provided
Vertical double down film heat exchanger realize double down film inside and outside heat exchanger tube, improve the heat transfer effect of cold-producing medium and refrigerant vapor.
As the preferred of above-described embodiment, there are on the contour of each liquid distributing hole 442 on liquid distributing hole plate 441 at least two edges
The convex portion that liquid distributing hole is radially extended, convex portion are used to position heat exchanger tube, and convex portion described at least two is uniform on the contour of liquid distributing hole
Distribution.The present embodiment is positioned by arranging convex portion exchange heat pipe, was both easily installed, and is ensured heat exchanger tube and liquid distributing hole plate
Between 441, gap is consistent.Convex portion more preferably at least three, when such as arranging three convex portions 943, three convex portions are by the one of liquid distributing hole
Week is divided into three equal parts.Certainly, other any appropriate forms can be taken in convex portion, 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 this utility model may also be employed vertical double down film and change
Hot device, to increase heat transfer effect.
As shown in figure 4, absorption evaporating heat exchanger adopts vertical double down film heat exchanger, absorption evaporating heat exchanger is located at suction
In the evaporation chamber 101 of receipts formula vaporizer 100, include as the vertical double down film heat exchanger of absorption evaporating heat exchanger：
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, positioned at the top of heat exchanger tube upper head plate 160, condenses working medium and imports the condensation in room 120
Working medium is flowed 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, positioned at the lower section of heat exchanger tube bottom plate 170, for accommodating stream in heat exchanger tube 120
The condensation working medium for going out；
Evaporation heating agent imports room 140, and the top board for evaporating heating agent importing room 140 is heat exchanger tube upper head plate 160, and base plate is cloth liquid
Orifice plate 141, has the liquid distributing hole 142 passed through for heat exchanger tube 120 on liquid distributing hole plate 141, the aperture of liquid distributing hole 142 is more than heat exchange
The external diameter of pipe 120, forms gap between the outside wall surface and liquid distributing hole plate 141 of heat exchanger tube 120, evaporation heating agent is led by evaporating heating agent
Enter pipeline 11 to import in evaporation heating agent importing room 140, heating agent is evaporated by the gap between heat exchanger tube 120 and liquid distributing hole plate 141
Flow out, and outer falling liquid film is formed in the outside wall surface of heat exchanger tube 120, condense working medium and absorb the heat of evaporation heating agent and be evaporated to working medium
Steam；
Evaporation heating agent receiving chamber 150, positioned at the top of heat exchanger tube bottom plate 170, evaporation heating agent receiving chamber 150 is used to accommodate
Along the evaporation heating agent that heat exchanger tube is flowed down, evaporate the evaporation heating agent in heating agent receiving chamber 150 and led by evaporating heating agent delivery line road 12
Go out.The vertical double down film heat exchanger that this utility model embodiment is provided realizes double down film inside and outside heat exchanger tube, improves heat of evaporation
Matchmaker and the heat transfer effect of condensation working medium.
Condensation working medium in condenser is input into condensation working medium importing room 120 by condensing working medium pipeline 610.Second condensation work
Condensation working medium in matter receptor 106 is input into condensation working medium by the second condensation working medium spray piping 105 and imports room 120.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 passes through second
Condensation working medium in second condensation working medium receptor 106 is transported to condensation working medium and imports room by condensation working medium spray piping 105
120。
Used as the preferred of above-described embodiment, condensation working medium is imported in room 120 and is provided with the second condensation working medium spray equipment 103.
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 imported spray in room 120 in condensation working medium by solidifying working medium spray equipment 103.To condense working medium preferably in heat exchange
Falling liquid film is formed in pipe 110.
Referring to Fig. 4, absorption heat-exchange device 202 adopts vertical double down film heat exchanger, absorption heat-exchange device 202 to be located at absorber 200
Absorption chamber 201 in, include as the vertical double down film heat exchanger of absorption heat-exchange device：
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, and positioned at the top of heat exchanger tube upper head plate 160, absorbent solution imports the absorption in room 220
Solution is flowed 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, while absorbing
Solution absorbs the refrigerant vapor that absorption vaporizer 100 is produced, and discharges the absorption heat of high temperature；
Absorbent solution receiving chamber 230, positioned at the lower section of heat exchanger tube bottom plate 270, for accommodating what is flowed out in heat exchanger tube 220
Absorbent solution；
Absorb heating agent and import room 240, the top board for absorbing heating agent importing room 240 is heat exchanger tube upper head plate 160, and base plate is cloth liquid
Orifice plate 241, has the liquid distributing hole 242 passed through for heat exchanger tube 220 on liquid distributing hole plate 241, the aperture of liquid distributing hole 242 is more than heat exchange
The external diameter of pipe 220, forms gap between the outside wall surface and liquid distributing hole plate 241 of heat exchanger tube 220, absorb heating agent and pass through heat exchanger tube 220
Flow out with the gap between liquid distributing hole plate 241, and outer falling liquid film is formed in the outside wall surface of heat exchanger tube 220, absorb heating agent and absorb and inhale
Receive the heat of heat and be evaporated to absorption heating agent steam；
Heating agent receiving chamber 250 is absorbed, positioned at the top of heat exchanger tube bottom plate 270, absorbing heating agent receiving chamber 250 is used to accommodate
Heating agent steam and the absorption heating agent flowed down along heat exchanger tube 210 are absorbed, heating agent import pipe 21 is absorbed 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 is derived by absorbing heating agent derivation pipeline 22,
The absorption heating agent absorbed in heating agent receiving chamber 250 imports room by absorbing heating agent by 205 importing of absorption heating agent circulating line
240, absorb heating agent circulating line 205 and be provided with absorption heat medium circulation pump 204.It is vertical double down that this utility model embodiment is provided
Film heat exchanger realizes double down film inside and outside heat exchanger tube, improves the heat transfer effect for absorbing heating agent and absorbent solution.
Absorbent solution input absorbent solution in generator 300 is imported room 220 by the first absorbent solution circulating line 510.
Absorbent solution imports interior 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。
Referring to Fig. 4, as the preferred of above-described embodiment, further solve to be likely to result in using high-concentration absorbent solution
Absorbent crystallizes brought problem, and the generator 300 in this utility model embodiment also includes equipment for separating liquid from solid, works as absorption
When absorbent in absorbent solution in solution flash chamber 301 is crystallized, equipment for separating liquid from solid by absorbent solution be separated into containing
Absorbent is crystallized and the two parts without absorbent crystallization, wherein the second absorbent solution of absorbent solution Jing without absorbent crystallization
Spray piping 305 is delivered to the second absorbent solution spray equipment 303, and the absorbent solution containing absorbent crystallization is followed by the first solution
Endless tube road 510 is delivered in absorber 200.By arranging equipment for separating liquid from solid in the present embodiment, to the absorption in absorbent solution
Agent crystallization is separated, and further reduces impact of the absorbent crystallization to the work of generator 300.In addition, by arranging solid-liquid point
From device, do not contain or few containing crystallization in making the absorbent solution sprayed by output, the absorption of this utility model embodiment can be made
Generation thermal source of the formula heat pump using lower temperature grade.
Used as the preferred of above-described embodiment, referring to Fig. 4, 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,
Interlayer 374, absorbent solution flash distillation chamber are formed between 301 internal face of absorbent solution flash chamber of liquid barrier 371 and generator 300
Absorbent solution in room 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 for being formed at generator 300, for accommodating by spilling in interlayer 374
Absorbent solution；
Overfall 372, on the side wall of the container body for being opened in generator 300, overfall 372 connects interlayer 374 and overflow
Groove 373；
Second absorbent solution spray piping 305 is connected 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 is crystallized, absorbent crystallization, is fallen to whereabouts when absorbent is crystallized along liquid barrier 371
During 371 lower end of liquid barrier, partially absorbing agent crystallization can flow up along interlayer with absorbent solution, the absorbent entered in interlayer
Crystallization is fallen again in action of gravity, and the container body internal face along generator falls the bottom of generator 300, the suction in interlayer
Receive solution and realize solid-liquid separation, the absorbent solution on interlayer top is substantially free of crystallization, absorbent crystallization passes through the with absorbent solution
One solution circulating line 510 is delivered to absorber 200, and absorbent solution is entered in interlayer by 371 lower end of liquid barrier, interlayer internal upper part
Divide the absorbent solution for not containing absorbent crystallization overflow launder 373 to be entered from overfall 372, and pass through 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 structure of the present embodiment, good separating effect.
Absorbent solution after flash distillation carries out solid-liquid separation in the equipment for separating liquid from solid, then by the absorption containing absorbent crystalline particle
Solution is sent to absorber；As absorbent crystalline particle is tiny and has mobility, thus absorbent solution circulating pump will not be caused
550th, the blocking of the first absorbent solution spray equipment 203 and the first solution circulating line 510；As absorbent is in generator
300 relatively low temperature, i.e. under relatively low dissolubility partial crystallization, and in the higher temperature of absorber 200, i.e. in higher dissolubility
Lower dissolving, makes absorber be able to absorbent solution of the concentration higher than generator absorbent solution concentration, it might even be possible to be used in
Or the saturated concentration being close at a temperature of absorbing, so as to industrial exhaust heat can be caused under conditions of relatively low generation heat source temperature grade
Obtain larger temperature grade to be lifted, 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.
As the preferred of above-described embodiment, referring to Fig. 2 and Fig. 3, under the absorbent solution flash chamber 301 of generator 300
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 in turbination), even if being not provided with liquid barrier 371 also to inhaling
Receive agent crystalline deposit to play a role.In addition, the cross section of the bottom of absorbent solution flash chamber 301 is gradually reduced can have
Effect reduces the recoverable amount of liquid, so that the starting time of system is shorter, cost is lower, while compressive resistance and corrosion resistance
It is higher.Meanwhile, the first absorbent solution that absorbent crystallization can be made to be delivered to by the first solution circulating line 510 in absorber 200
Spray equipment 203.
Used as the preferred of above-described embodiment, the high temperature heat pump system of this utility model embodiment also includes cold-producing medium subcooler
62 and condensation working medium preheater 61, the hot-fluid side of cold-producing medium subcooler 62 and condense 61 hot-fluid side of working medium preheater with system
Cryogen pipeline 64 connects, and the cold-producing medium that the outlet of compressor 60 is flowed out flows through generation heat exchanger 302, condensation working medium preheater successively
61st, cold-producing medium subcooler 62, choke valve 63 and absorption condensing heat exchanger 402, the cold flow side of cold-producing medium subcooler 62 with it is cold
But waterpipe 51 connects, and the cold flow side for condensing working medium preheater 61 is connected with condensation working medium pipeline 61.
As the preferred of above-described embodiment, be provided with the refrigerant circulation pipe 64 for connecting 60 suction inlet of compressor for
The temperature sensor 65 of refrigerant vapour temperature is determined, when the temperature of refrigerant vapour is higher than the first design temperature, is increased cold
But the flow of water, and the flow of the cooling water when the temperature of refrigerant vapour is less than the second design temperature, is reduced, wherein the
One temperature is higher than second temperature.The present embodiment is according to the temperature sensing being arranged on the refrigerant circulation pipe of compressor suction
The temperature that device is indicated adjusting the flow of cold-producing medium subcooler cooling water, can make the evaporating temperature of cold-producing medium maintain one it is preferable
Temperature range, so as to be capable of achieving the stable operation of vapor compression heat pump subsystem, and further improve the high temperature heat pump
The COP of system.
Used as the preferred of above-described embodiment, the circulation of vapor compression heat pump subsystem is to adopt mixed non-azeotropic refrigerant
Or the Lorenz circulation of supercritical refrigerant.
Used as the preferred of above-described embodiment, the absorbent of the second-kind absorption-type heat pump subsystem is LiNO3, working medium is
H2O.With LiNO3For absorbent, with H2O for working medium absorbent solution on the premise of same absorbent ability, to absorption heat pump
The corrosivity of structural material and heat exchange material are significantly less than LiBr absorbent solutions.The absorption heat pump cycle is adopted with LiNO3
For main absorber, with H2When O is working medium, heats temperature and may be up to 240 DEG C.
The round-robin method of the high temperature heat pump system that this utility model embodiment is provided is as follows：Including vaporizer link, absorb
Device link, generator link, condenser link and vapor compression heat pump link, wherein
Vaporizer link, working medium absorb heat from the evaporation heating agent for flowing through absorption evaporating heat exchanger and are evaporated to working medium steaming
Gas, the refrigerant vapor are transported in absorber；
Absorber link, absorbent solution absorb the refrigerant vapor of absorption vaporizer generation and discharge absorption heat, described
Absorb heat by the absorption heating agent of absorption heat-exchange device being flowed through to outside output, the absorbent solution in absorber is transported to generator
In；
Generator link, absorbent solution absorb the heat that heating agent occurs by there is heat exchanger, and evaporation produces refrigerant vapor；
Refrigerant vapor is delivered to condenser；Absorbent solution obtains evaporation and concentration and cooling；Absorbent solution after concentration is delivered to absorber；
Condenser link, carries out condensing to the refrigerant vapor that generator is produced and absorption condensation heat, and the condensation heat is by flowing
Condensation heating agent in the absorption condensing heat exchangers of Jing is taken away；The condensation working medium of formation is condensed within the condenser via condensation working medium tube
Road is transported to vaporizer；
Vapor compression heat pump link, with absorption condensing heat exchanger as its compression vaporizer, cold-producing medium is used as evaporation
Heating agent is input into the cold flow side of absorption condensing heat exchanger, there is heat exchanger as its compression condenser, cold-producing medium as
There is the hot-fluid side of heat exchanger in heat matchmaker input.
The above, specific embodiment only of the present utility model, but protection domain of the present utility model do not limit to
In this, any those familiar with the art can readily occur in change in the technical scope that this utility model is disclosed
Or replace, should all cover within protection domain of the present utility model.Therefore, protection domain of the present utility model should be with the power
The protection domain that profit is required is defined.
Claims (10)
1. high temperature heat pump system, including second be made up of generator, absorption chiller, absorption vaporizer and absorber
Class absorption heat pump subsystem, the absorption vaporizer and absorber are by the first refrigerant vapor channel connection, the absorption
Formula condenser and generator are led between the absorption chiller and absorption vaporizer by the second refrigerant vapor channel connection
The connection of condensation working medium tube road is crossed, the condensation working medium pipeline is delivered to absorption evaporation by absorption chiller by working medium is condensed
Device, passes through the first solution circulating line between the generator and absorber and the second solution circulating line is connected, and described first
Absorbent solution is delivered to absorber by generator by solution circulating line, and the second solution circulating line is by absorbent solution by inhaling
Receive device and be delivered to generator, the first solution circulating line and the second solution circulating line are provided with solution heat exchanger, described
Generator includes heat exchanger, that absorption chiller includes that absorption condensing heat exchanger, absorption vaporizer include is absorption
Evaporating heat exchanger, absorber include absorption heat-exchange device, it is characterised in that also including vapor compression heat pump subsystem, the steaming
Gas compression heat pump subsystem includes compressor, compression condenser, choke valve, compression vaporizer and refrigerant cycle pipe
Road, wherein, the vapor compression heat pump subsystem with the absorption condensing heat exchanger as its compression vaporizer, with described
Generation heat exchanger is compression condenser.
2. high temperature heat pump system according to claim 1, it is characterised in that the 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
, there is heat exchanger located at the outside of absorbent solution flash chamber in device, the first absorbent solution spray equipment is located at absorbent solution flash distillation
The top of within the chamber, the first absorbent solution spray equipment and the first absorbent solution spray outside absorbent solution flash chamber
Pipeline connects, and on the first absorbent solution spray piping, the first absorbent solution spray piping will absorb absorbent solution spray pump
Absorbent solution in solution flash chamber is delivered to the first absorbent solution spray equipment and is sprayed, the first absorbent solution shower
Road is connected with the cold flow side that heat exchanger occurs, and the refrigerant circulation pipe is connected with the hot-fluid side that heat exchanger occurs.
3. high temperature heat pump system according to claim 1, it is characterised in that on the condensing chamber of the absorption chiller
Side is provided with the first condensation working medium spray equipment, and the first condensation working medium receptor, the absorption condensation are provided with below condensing chamber
Heat exchanger is located at the outside of the condensing chamber, the first condensation working medium spray equipment and outside the condensing chamber
First condensation working medium spray piping connection, the first condensation working medium spray piping condense the condensation in working medium receptor by first
Working medium is delivered to the first condensation working medium spray equipment, and the first condensation working medium spray piping is provided with the first condensation working medium spray
Pump, the first condensation working medium spray piping are connected with the hot-fluid side of absorption condensing heat exchanger, and the vapor compression heat pump is followed
The refrigerant circulation pipe of the throttling valve outlet port side of loop subsystems is connected with the cold flow side of absorption condensing heat exchanger.
4. high temperature heat pump system according to claim 1, it is characterised in that the absorption condensing heat exchanger is arranged at institute
State in the condensing chamber of absorption chiller, condensation heating agent entrance and the steam compression type of the absorption condensing heat exchanger
The refrigerant circulation pipe connection of the throttling valve outlet port side of heat pump cycle subsystem, the condensation heating agent of absorption condensing heat exchanger
Outlet is connected with the refrigerant circulation pipe of the compressor suction side of the vapor compression heat pump cycle subsystem.
5. high temperature heat pump system according to claim 4, it is characterised in that the absorption condensing heat exchanger is vertical double
Falling film heat transfer device, the vertical double down film heat exchanger include：
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, and positioned at the lower section of heat exchanger tube bottom plate, 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 forms interior falling liquid film on the inwall of heat exchanger tube；
Working medium receptor, positioned at the lower section of heat exchanger tube bottom plate, for accommodating the condensation working medium flowed out in heat exchanger tube；
Cold-producing medium imports room, and it is heat exchanger tube upper head plate that the cold-producing medium imports the top board of room, and base plate is liquid distributing hole plate, liquid distributing hole plate
On with the liquid distributing hole passed through for heat exchanger tube, the external diameter of the aperture of liquid distributing hole more than heat exchanger tube, the outside wall surface and cloth of heat exchanger tube
Gap is formed 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 interior, and cold-producing medium is flowed out by the gap between heat exchanger tube and liquid distributing hole plate, and in 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, positioned at the top of heat exchanger tube bottom plate, the cold-producing medium receiving chamber be used to accommodating refrigerant vapour and
Condensation heating agent outlet is provided with above the cold-producing medium that heat exchanger tube is flowed down, cold-producing medium receiving chamber, refrigerant vapour passes through condensation heat
Matchmaker's outlet is derived, and is input into compressor by refrigerant circulation pipe.
6. high temperature heat pump system according to claim 5, it is characterised in that the week of each liquid distributing hole on the liquid distributing hole plate
There are on line at least two convex portions radially extended along liquid distributing hole, the convex portion is used to position heat exchanger tube, convex described at least two
Portion is uniformly distributed on the contour of liquid distributing hole.
7. high temperature heat pump system according to claim 1, it is characterised in that also including cold-producing medium subcooler and condensation working medium
Preheater, the hot-fluid side of the cold-producing medium subcooler and condensation working medium preheater hot fluid side are connected with refrigerant tubing,
Compressor outlet flow out cold-producing medium flow through successively generation heat exchanger, condensation working medium preheater, cold-producing medium subcooler, choke valve and
Absorption condensing heat exchanger, the cold flow side of the cold-producing medium subcooler are connected with cooling water pipeline, the condensation working medium preheating
The cold flow side of device is connected with condensation working medium pipeline.
8. high temperature heat pump system according to claim 7, it is characterised in that the cold-producing medium of the connection compressor suction
It is provided with circulating line for determining the temperature sensor of refrigerant vapour temperature, when the temperature of refrigerant vapour is higher than first
During design temperature, increase the flow of the cooling water, and when the temperature of refrigerant vapour is less than the second design temperature, reduce institute
The flow of cooling water is stated, wherein the first temperature is higher than second temperature.
9. high temperature heat pump system according to claim 1, it is characterised in that the vapor compression heat pump subsystem is followed
Ring is to be circulated using the Lorenz of mixed non-azeotropic refrigerant or supercritical refrigerant.
10. high temperature heat pump system according to claim 1, it is characterised in that the second-kind absorption-type heat pump subsystem
Absorbent be LiNO3, working medium is H2O。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620937911.1U CN206056011U (en) | 2016-08-24 | 2016-08-24 | High temperature heat pump system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620937911.1U CN206056011U (en) | 2016-08-24 | 2016-08-24 | High temperature heat pump system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206056011U true CN206056011U (en) | 2017-03-29 |
Family
ID=58384504
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620937911.1U Withdrawn - After Issue CN206056011U (en) | 2016-08-24 | 2016-08-24 | High temperature heat pump system |
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| Country | Link |
|---|---|
| CN (1) | CN206056011U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106196726A (en) * | 2016-08-24 | 2016-12-07 | 北京联力源科技有限公司 | High temperature heat pump system and round-robin method thereof |
| CN113237248A (en) * | 2021-04-26 | 2021-08-10 | 清华大学 | Multi-layer multi-head spiral tube type multi-stage absorption heat exchanger |
-
2016
- 2016-08-24 CN CN201620937911.1U patent/CN206056011U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106196726A (en) * | 2016-08-24 | 2016-12-07 | 北京联力源科技有限公司 | High temperature heat pump system and round-robin method thereof |
| CN113237248A (en) * | 2021-04-26 | 2021-08-10 | 清华大学 | Multi-layer multi-head spiral tube type multi-stage absorption heat exchanger |
| CN113237248B (en) * | 2021-04-26 | 2022-06-24 | 清华大学 | Multi-layer multi-head spiral tube type multi-stage absorption heat exchanger |
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Granted publication date: 20170329 Effective date of abandoning: 20190419 |