CN106196727A - A kind of heat pump and operation method thereof - Google Patents
A kind of heat pump and operation method thereof Download PDFInfo
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- CN106196727A CN106196727A CN201610728253.XA CN201610728253A CN106196727A CN 106196727 A CN106196727 A CN 106196727A CN 201610728253 A CN201610728253 A CN 201610728253A CN 106196727 A CN106196727 A CN 106196727A
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- heat exchanger
- heat
- heating agent
- steam
- absorbent solution
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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
- F25B30/00—Heat pumps
Abstract
nullThe invention discloses a kind of heat pump and operation method thereof，Heat pump includes by vaporizer、Absorber、Generator and the second-kind absorption-type heat pump subsystem of condenser composition，Also include steam jet heat pump，Evaporating heat exchanger is imported with the process waste heating agent of thermal process，With the process waste heating agent of thermal process also as the generation heating agent importing generation heat exchanger of generator，With the process steam condensed water of thermal process as the absorption heat-exchange device absorbing heating agent importing absorber，Process steam condensed water absorbs heat by absorption heat-exchange device and produces absorption heating agent steam，Absorb heating agent steam and import steam jet heat pump by the driving fluid entrance of steam jet heat pump，The Working-fluid intaking of steam jet heat pump is connected with the supply jet chimney of thermal process，The compression fluid issuing of steam jet heat pump is connected with the process steam pipeline of thermal process.The present invention improves process waste utilization rate and the heat pump temperature rise of heat pump.
Description
Technical field
The present invention relates to the technical field of heat pumps of Thermal Power Engineering, particularly to a kind of heat pump and operation method thereof.
Background technology
Common heating system typically uses steam boiler or is provided higher temperature and pressure by steam power plant to by thermal process
The supply steam of power, the general high-grade thermal source that supply steam is temperature 180-220 DEG C, pressure 0.9-1.3MPa., exist
Actual application is often not required to the highest pressure and temperature with the process steam needed for thermal process.Such as conventional is water-soluble
Liquid material evaporation concentration systems, generally has only to saturation temperature 100-140 DEG C, the steam of pressure 0.1-0.4MPa can realize thing
The evaporation and concentration of material, the temperature especially for some heat sensitive material process steams is high the most unfavorable.As by thermal process
An example, existing evaporating and concentrating process as shown in Figure 3, generally use choke valve that supply steam is carried out cooling decompression
Process steam needed for offer thermal process.So, supply steam original high-energy grade being wasted the most in vain.
On the other hand, discharge with the process waste steam of thermal process also due to grade is too low and be difficult to be recycled.
During solving the problems referred to above, inventor proposes two kinds as depicted in figs. 1 and 2 to supply steam
And the pressure differential existed between process steam is as driving force, carrys out the grade of lifting process waste heat, thus realizes it and recycle
Steam pressure difference driven heat pump system.
, above-mentioned steam pressure difference driven heat pump system still suffers from the most perfect in terms of the utilization rate of process waste
Part.First, according to the ultimate principle of absorption heat pump cycle, as a example by the evaporating and concentrating process of water-containing materials, to vapour pressure
The utilization power of the process waste steam of difference driven heat pump system is analyzed.For evaporating and concentrating process, often put into 1 ton
Process steam would generally discharge indirect steam, i.e. the process waste steam of about 0.9 ton.When using steam pressure difference driven heat pump
During system, owing to the COP of first-class absorption type heat pump is usually about 1.7, as shown in Figure 4, the supply steam of 0.59 ton is put into
The temperature grade of the process waste steam of 0.41 ton can be promoted to the temperature grade of process steam, thus be evaporation and concentration work
Skill provides the process steam adding up to 1.0 tons.So, although fractional energy savings has reached 41%, but the technique still having 0.49 ton
Afterheat steam is not obtained by.
Summary of the invention
In view of this, the embodiment of the present invention provides a kind of heat pump, and main purpose is to improve steam pressure difference drive-type heat
The heat utilization efficiency of pumping system.
For reaching above-mentioned purpose, present invention generally provides following technical scheme:
On the one hand, embodiments provide a kind of heat pump, including by vaporizer, absorber, generator and cold
The second-kind absorption-type heat pump subsystem of condenser composition, also includes steam jet heat pump, with the process waste heating agent of thermal process
Evaporation heating agent as described vaporizer imports evaporating heat exchanger, and the working medium in vaporizer absorbs heat of evaporation by evaporating heat exchanger
Being evaporated to refrigerant vapor after the heat of matchmaker, the absorbent solution in absorber absorbs the refrigerant vapor release absorption that vaporizer produces
Heat, with the process waste heating agent of thermal process also as the generation heating agent importing generation heat exchanger of generator, by the technique of thermal process
Steam condensate (SC) imports the absorption heat-exchange device of described absorber as absorbing heating agent, and process steam condensed water passes through absorption heat-exchange device
Absorb described absorption heat and produce absorption heating agent steam, absorbing the heating agent steam driving fluid by described steam jet heat pump
Entrance imports described steam jet heat pump, the Working-fluid intaking of steam jet heat pump and the supply steam pipe using thermal process
Road is connected, and the compression fluid issuing of steam jet heat pump is connected with the process steam pipeline of thermal process.
As preferably, also include that steam-water separation tank, the bottom of described steam-water separation tank are imported by process steam condensed water
Pipeline is connected with the entrance of described absorption heat-exchange device, and described process steam condensed water import pipe is provided with process steam condensation
Water-circulating pump, the outlet of absorption heat-exchange device is connected with the middle part of steam-water separation tank by process steam condensed water derivation pipeline,
The driving fluid entrance phase of pipeline and described steam jet heat pump is derived at the top of steam-water separation tank by absorbing heating agent steam
Connecting, the bottom of steam-water separation tank is connected with thermal process steam condensate (SC) pipeline.
As preferably, the process waste heating agent of described thermal process first imports via evaporation heating agent pipeline as evaporation heating agent
The evaporating heat exchanger of described vaporizer, have passed through the process waste heating agent generation heat as generator of described evaporating heat exchanger
Matchmaker is again via the generation heat exchanger occurring heating agent pipeline to import described generator.
As preferably, the process waste heating agent of described thermal process is by the evaporation and heat-exchange described in evaporation heating agent pipeline importing
Device is as the evaporation heating agent of vaporizer, and the process waste heating agent of the most described thermal process is described by occurring heating agent pipeline to import
Occur heat exchanger as the generation heating agent of generator.
As preferably, described generator includes absorbent solution flash chamber, the second absorbent solution spray equipment, the second absorption
Solution spraying pipeline, the second absorbent solution spray pump and generation heat exchanger, occur heat exchanger to be located at absorbent solution flash chamber
Outside, the top in absorbent solution flash chamber is provided with the second absorbent solution spray equipment, the second absorbent solution spray equipment
Being connected with the second absorbent solution spray piping being located at outside absorbent solution flash chamber, the second absorbent solution spray piping will be inhaled
Absorbent solution in receipts solution flash chamber is delivered to the second absorbent solution spray equipment and sprays, the second absorbent solution spray
Pipeline is provided with the second absorbent solution spray pump, and the second absorbent solution spray piping is connected with the cold flow side that heat exchanger occurs,
The hot-fluid side of heat exchanger is there is in the process waste heating agent of described thermal process by occurring heating agent pipeline to import.
As preferably, described generation heat exchanger is contra-flow heat exchanger.
As preferably, described generator also includes equipment for separating liquid from solid, in the absorbent solution flash chamber of described generator
Absorbent solution in absorbent crystallization time, described equipment for separating liquid from solid described absorbent solution is separated into containing absorbent crystallize
With the two parts crystallized without absorbent, wherein the absorbent solution without absorbent crystallization is defeated through the second absorbent solution spray piping
Delivering to the second absorbent solution spray equipment, the absorbent solution containing absorbent crystallization is followed by the solution connecting absorber and generator
Endless tube road is delivered in absorber.
As preferably, described equipment for separating liquid from solid includes:
Liquid barrier, is connected with the internal face of the container body of the formation absorbent solution flash chamber of generator, liquid barrier with send out
Forming interlayer between the absorbent solution flash chamber internal face of raw device, the absorbent solution in absorbent solution flash chamber is by liquid barrier
The interlayer entrance of lower end enter in interlayer；
Overflow launder, in the outside wall surface of the container body being formed at generator, for accommodating by the absorbent solution overflowed in interlayer；
Overfall, on the sidewall of the container body being opened in generator, overfall connection interlayer and overflow launder；
Second absorbent solution spray piping connects with overflow launder, and in solution circulating line, generator is to absorber conveying direction
Pipeline connect with the bottom of absorbent solution flash chamber；Wherein
When the absorbent of absorbent solution crystallizes, absorbent crystallization falls along the container body internal face of liquid barrier and generator
To the bottom of generator, the absorbent crystallization falling bottom is delivered to absorber with absorbent solution by solution circulating line, inhales
Receiving solution and entered in interlayer by liquid barrier lower end, interlayer internal upper part divides the absorbent solution not containing absorbent crystallization to enter from overfall
Enter overflow launder, and be delivered to the second absorbent solution spray equipment by the second absorbent solution spray piping.
As preferably, the cross section of the bottom of the absorbent solution flash chamber of described generator is gradually reduced, in infundibulate,
Described liquid barrier is obliquely installed.
As preferably, described condenser and generator share same container body, and the top in described container body is condenser
Chamber, the bottom in described container body is the chamber of generator, in the chamber of described condenser bottom be provided with condensation working medium connect
Receive device, between outer wall and the inwall of described container body of described condensation working medium receptor, form the second refrigerant vapor passage.
As preferably, described container body is cylindrical vessel.
As preferably, between absorber with generator, the solution circulating line by circulating for absorbent solution is connected, institute
Stating solution circulating line and be provided with choke valve and solution heat exchanger, described choke valve is located at self-absorption device and is circulated to generator direction
Solution circulating line on, described choke valve is located between absorber and described solution heat exchanger.
As preferably, described evaporating heat exchanger uses vertical double down film heat exchanger, and evaporating heat exchanger is located at absorption evaporation
The evaporation cavity of device is indoor, and the vertical double down film heat exchanger as absorption evaporating 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；
Condensation working medium imports room, is positioned at the top of heat exchanger tube upper head plate, and condensation working medium imports indoor condensation working medium from changing
The upper end of heat pipe flows in heat exchanger tube, and falling liquid film in being formed on the inwall of heat exchanger tube；
Second 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；
Evaporation heating agent imports room, and it is heat exchanger tube upper head plate that evaporation heating agent 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, evaporation heating agent imports evaporation heating agent by evaporation heating agent pipeline and imports indoor, evaporates heating agent
Being flowed out by the gap between heat exchanger tube and liquid distributing hole plate, and form outer falling liquid film in the outside wall surface of heat exchanger tube, condensation working medium is inhaled
Receive the heat of evaporation heating agent and be evaporated to refrigerant vapor；
Evaporation heating agent receiving chamber, is positioned at the top of heat exchanger tube bottom plate, and evaporation heating agent receiving chamber is for accommodating along heat exchanger tube
The evaporation heating agent flowed down, the evaporation heating agent in evaporation heating agent receiving chamber is directed at generation heat exchange by there is heating agent pipeline.
As preferably, described absorption heat-exchange device uses vertical double down film heat exchanger, and absorber is located at by described absorption heat-exchange device
Absorption chamber in, the vertical double down film heat exchanger as absorption heat-exchange device 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；
Absorbent solution imports room, is positioned at the top of heat exchanger tube upper head plate, and absorbent solution imports indoor absorbent solution from changing
The upper end of heat pipe flows in heat exchanger tube, and falling liquid film, the absorption steaming of absorbent solution absorption simultaneously in formation on the inwall of heat exchanger tube
Send out the refrigerant vapor that device produces, and discharge the absorption heat of high temperature；
Absorbent solution receiving chamber, is positioned at the lower section of heat exchanger tube bottom plate, the absorbent solution flowed out within accommodating heat exchanger tube；
Absorbing heating agent and import room, the top board absorbing heating agent importing room is heat exchanger tube upper head plate, 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 form gap between liquid distributing hole plate, absorb heating agent and flowed out by the gap between heat exchanger tube and liquid distributing hole plate, and at heat exchanger tube
Outside wall surface on formed outer falling liquid film, absorb heating agent absorb described absorb heat heat and be evaporated to absorption heating agent steam；
Absorb heating agent receiving chamber, be positioned at the top of heat exchanger tube bottom plate, absorb heating agent receiving chamber and be used for accommodating absorption heating agent
Steam and the absorption heating agent flowed down along heat exchanger tube, will absorb heating agent with thermal process steam condensate (SC) pipeline and import absorption heating agent reception
Indoor, absorb the absorption heating agent steam in heating agent receiving chamber and import described steam-sprayed by absorbing heating agent steam derivation pipeline
The driving fluid entrance of heat pump, absorbs the absorption heating agent in heating agent receiving chamber by by absorbing the importing absorption of heating agent circulating line
Heating agent imports room, absorbs heating agent circulating line and is provided with absorption heat medium circulation pump.
On the other hand, present invention also offers the operation method of a kind of heat pump, including vaporizer link, absorber ring
Joint, generator link, condenser link and steam jet heat pump link, wherein
Vaporizer link, working medium is from flowing through the heat of process waste heating agent absorption technique waste heat of evaporating heat exchanger and evaporating
For refrigerant vapor, described refrigerant vapor is transported in absorber；
Absorber link, absorbent solution absorbs the refrigerant vapor of vaporizer generation and discharges the suction that temperature grade improves
Receiving heat, process steam condensed water is by the absorption warm described in the absorption of absorption heat-exchange device and produces absorption heating agent steam, described absorption
Heating agent steam is delivered to steam jet heat pump through driving fluid entrance, and the absorbent solution in absorber is transported in generator,
Described process steam condensed water is process steam with the condensed water formed after discharging heat in thermal process；
Generator link, absorbent solution is sprayed by the second absorbent solution spray equipment, makes the tiny liquid of absorbent solution
Drop in and the absorbent solution flash chamber of generator carries out vacuum insulation flash distillation and produces refrigerant vapor；Flash process absorbs
Solution obtains evaporation and concentration and cooling；Absorbent solution after flash distillation falls the bottom of absorbent solution flash chamber, and a part absorbs
Solution enters through the second absorbent solution spray pump and is located at the generation heat exchanger outside generator, more than generation heat exchanger and technique
Heating agent heat exchange is with the heat of absorption technique waste heat heating agent, and the absorbent solution after intensification is transported to the second absorbent solution spray dress
Put；The first absorbent solution spray equipment that a part of absorbent solution is delivered in absorber sprays；
Condenser link, is condensed the refrigerant vapor that generator produces by condensing heat exchanger and discharges condensation
Heat, described condensation heat is taken away by the cooling water flowing through condensing heat exchanger；The condensation working medium that condensation is formed is via on working medium pipeline
Working medium delivery pump is delivered to vaporizer；
Steam jet heat pump link, Working-fluid intaking the supply steam inputted with inputted by driving fluid entrance
Absorbing the process steam condensed water mixing absorbing heat, the process steam of generation is by compressing fluid issuing output, and via by heat
The process steam pipeline of technique is delivered to use thermal process.
The embodiment of the present invention include but not limited to the evaporating and concentrating process of material, distillation technique, back tender by thermal process
Skill and drying process, and the chemical absorption process of gas, physical absorption process and absorbing process etc., the process waste of the present invention
Heating agent includes saturated vapor, superheated steam, moist steam, steam, hot water, conduction oil and hot blast etc. containing on-condensible gas.
The absorbent of the present invention is selected from following LiBr, LiNO3, LiCl or CaCl2In at least one, working medium can use
H2O。
The present invention compared with prior art has advantage and a beneficial effect will be apparent below:
Second-kind absorption-type heat pump and steam jet heat pump have organically been combined by the absorption type heat pump system of the present invention
Come, it is possible to by the chemical absorbing work of the evaporating and concentrating process of material, distillation technique, drying process, drying process and gas
The process waste discharged by thermal process of the industrial circles such as skill, physical absorption process and absorbing process, in this use thermal process
Portion completely and high-quality recycle, thus before satisfied thermal process is to the high request of process steam temperature grade
Put, it is achieved use the most energy-conservation of thermal process, thus there is splendid economic benefit.
Further, when using the generator with adiabatic flash as feature as shown in Figure 7, owing to there is the heat exchange of heat exchanger
Face will not produce crystallization and hinder heat transfer, so being particularly suited for using high-concentration absorbent solution or saturated absorption solution bar
Second-kind absorption-type heat pump system under part.
Further, for the process waste heating agent with temperature-variable heat source characteristic, such as water, conduction oil, hot blast, process gas, mistake
Vapours or the steam etc. containing on-condensible gas, by cascade evaporation heat exchanger and generation heat exchanger, it is possible to more effectively inhale
Receive process waste, and make vaporizer work at higher temperatures thus obtains the lifting of bigger temperature grade.
Also can inhale higher than generator in absorber absorbent solution concentration especially by the heat pump used as shown in Figure 8
Work under conditions of receiving solution concentration, therefore can realize utilizing more low-grade process waste, obtain higher temperature grade
Process steam, thus be allowed to be more convenient for recycling, it is thus possible to bring more significant energy-saving effect and economic effect to user
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..
As it is shown in figure 9, when vaporizer uses vertical double down film heat exchanger as evaporating heat exchanger, and absorber uses vertical double
When Falling film heat transfer device is as absorption heat-exchange device, the heat pump of the embodiment of the present invention has that power consumption is few, volume is little, occupation of land face
Long-pending less, absorbent solution usage amount is few and the advantage of low cost of manufacture.
Scheme attached explanation
Fig. 1 is structure and the schematic flow sheet of a kind of steam pressure difference driven heat pump system.
Fig. 2 is structure and the schematic flow sheet of another kind of steam pressure difference driven heat pump system.
Fig. 3 is the conventional supply steam of evaporating and concentrating process, grade and number between process steam and process waste steam
The schematic diagram of magnitude relation.
Fig. 4 is supply steam, process steam and the work of the evaporating and concentrating process that have employed steam pressure difference driven heat pump
Grade and the schematic diagram of quantitative relation between skill afterheat steam.
Fig. 5 is more than supply steam, process steam and the technique of the evaporating and concentrating process that have employed heat pump of the present invention
Grade and the schematic diagram of quantitative relation between vapours.
Fig. 6 is structure and the schematic flow sheet of the heat pump of the embodiment of the present invention 1.
Fig. 7 is structure and the schematic flow sheet of the heat pump of the embodiment of the present invention 2.
Fig. 8 is structure and the schematic flow sheet of the heat pump of the embodiment of the present invention 3.
Fig. 9 is structure and the schematic flow sheet of the heat pump 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. 6 is structure and the schematic flow sheet of the heat pump of the embodiment of the present invention 1；Fig. 7 is the heat of the embodiment of the present invention 2
The structure of pumping system and schematic flow sheet；Fig. 8 is structure and the schematic flow sheet of the heat pump of the embodiment of the present invention 3.See
Fig. 6 to Fig. 8, a kind of heat pump, including the Equations of The Second Kind being made up of vaporizer 11, absorber 10, generator 50 and condenser 51
Absorption heat pump subsystem, also includes steam jet heat pump, with the process waste heating agent of thermal process as the steaming of vaporizer 11
Heating matchmaker imports evaporating heat exchanger 16, with the process waste heating agent of thermal process also as the generation heating agent importing generation of generator 50
Heat exchanger 55, the entrance of the absorption heat-exchange device 15 of absorber 10 is connected with thermal process steam condensate (SC) pipeline, absorption heat-exchange
The outlet of device 15 is connected with the driving fluid entrance of steam jet heat pump, the Working-fluid intaking of steam jet heat pump with
Being connected with the supply jet chimney 81 of thermal process, the compression fluid issuing of steam jet heat pump steams with by the technique of thermal process
Steam pipe road 83 is connected.
Second-kind absorption-type heat pump and steam jet heat pump have organically been combined by the heat pump of the embodiment of the present invention
Come, it is possible to by the chemical absorbing work of the evaporating and concentrating process of material, distillation technique, drying process, drying process and gas
The process waste discharged by thermal process of the industrial circles such as skill, physical absorption process and absorbing process, in this use thermal process
Portion is completely and high-quality ground recycles, thus realizes the most energy-conservation of use thermal process, thus has splendid economy
Benefit.
In above-described embodiment NM, for system circulation necessary flow valve and liquid pump etc., art technology
Personnel should know, or obtains from the prior art.As circulated for absorbent solution in second-kind absorption-type heat pump subsystem
Pipeline, the working medium pipeline for working medium conveying, the refrigerant vapor passage for refrigerant vapor circulation and be located at different pipeline
On pump or valve etc..As carried out the working medium spray pump 33 of working medium spray for vaporizer 11, for second-kind absorption-type heat pump
In subsystem absorbent solution circulation solution circulating line and solution circulation pump 57.
Being provided with working medium pipeline 19 between vaporizer 11 and condenser 51, working medium pipeline 19 is provided with working medium pump 54, and being used for will
Working medium is transported to vaporizer 11 from condenser 51.For preferably producing refrigerant vapor, in vaporizer 11, it is provided with working medium spray dress
Put 14, be evaporated for spraying working medium in vaporizer 11.
It is provided with the first absorbent solution spray equipment 13 in absorber 10, is used for spray-absorption solution in absorber 10, with
It is beneficial to absorbent solution and preferably absorbs the refrigerant vapor that vaporizer produces.
The specific configuration of the second-kind absorption-type heat pump subsystem in the embodiment of the present invention is not specifically limited, this area skill
Art personnel can use any specific configuration in prior art, or is improved appropriately prior art.The present embodiment provides one
Plant preferred embodiment as selection.Seeing Fig. 7, the generator 50 in second-kind absorption-type heat pump subsystem in the present embodiment wraps
Include absorbent solution flash chamber the 64, second absorbent solution spray equipment the 53, second absorbent solution spray piping 62, second and absorb molten
Liquid spray pump 60 and generation heat exchanger 61, occur heat exchanger 61 to be located at the outside of absorbent solution flash chamber 64, and second absorbs
Solution spraying device 53 is located at the top in absorbent solution flash chamber 64, the second absorbent solution spray equipment 53 be located at absorption
The second absorbent solution spray piping 62 outside solution flash chamber 64 connects, and the second absorbent solution spray piping 62 will absorb molten
Absorbent solution in liquid flash chamber 64 is delivered to the second absorbent solution spray equipment 53 and sprays, the second absorbent solution spray
Pump 60 is located on the second absorbent solution spray piping 62, the second absorbent solution spray piping 62 and the cold flow body that heat exchanger 61 occurs
Side connects, and the hot-fluid side of heat exchanger 61 occurs by occurring heating agent pipeline 45 to import with the process waste heating agent of thermal process.
Generator 50 in the present embodiment, the outside that heat exchanger 61 will be occurred to be located at absorbent solution flash chamber 64, second
After the absorbent solution of absorbent solution spray piping 62 conveying is via occurring heat exchanger 61 heat exchange to heat up, it is delivered to the second absorbent solution
Spray equipment 53 sprays in the absorbent solution flash chamber 64 of generator 50.Principle based on vacuum insulation flash distillation, makes
The fine drop of absorbent solution carries out vacuum insulation flash distillation in the absorbent solution flash chamber 64 of generator 50.Than Fig. 6 institute
The generator shown uses cross-current heat exchanger tube as heat exchanger occurs, and the generation heat exchanger 61 in the present embodiment uses adverse current board-like
Heat exchanger, can realize countercurrent flow completely, thus improve heat transfer intensity and reduce heat transfer temperature difference.The second of the embodiment of the present invention
Class absorption heat pump subsystem can use high-concentration absorbent solution.Even if absorbent solution obtains evaporation and concentration and cooling, make absorption
Agent generation supersaturation and partial crystallization goes out crystalline particle, due to produce tiny crystalline particle can flow with absorbent solution, therefore, portion
After dividing crystallization to be delivered to heat exchanger 61 by the second absorbent solution spray piping 62, through heat exchange, crystallization can be dissolved.Do not exist
The problems such as because of crystallization, heat-transfer surface causes that heat and mass is obstructed.It addition, have employed second-kind absorption-type heat pump of the present embodiment
System is suitable for using the low-temperature heat source with temperature-variable heat source characteristic.
Preferred as above-described embodiment, the generator 50 in the embodiment of the present invention also includes equipment for separating liquid from solid, passes through
Absorbent crystallization is separated by equipment for separating liquid from solid with absorbent solution, solves to cause crystallization to lead because using higher concentration absorbent solution
The problems caused, the present embodiment can combine with any embodiment shown in Fig. 6 to Fig. 8.With with the embodiment described in Fig. 8
As a example by combining.When absorbent in absorbent solution in the absorbent solution flash chamber 64 of generator 50 crystallizes, solid-liquid separation
Absorbent solution is separated into containing absorbent crystallization and the two parts without absorbent crystallization by device, wherein crystallizes without absorbent
Absorbent solution be delivered to the second absorbent solution spray equipment 53 through the second absorbent solution spray piping 62, containing absorbent crystallize
Absorbent solution be delivered in absorber 10 by the solution circulating line connecting absorber and generator.
In solution circulating line, solution circulating line referred to as first solution of absorber 10 to generator 50 conveying direction follows
Endless tube road 66, the solution circulating line of generator 50 to absorber 10 conveying direction is referred to as the second solution circulating line 65.Solution
Circulating line is provided with solution heat exchanger 58, and solution heat exchanger is molten for the absorption of circulation between absorber 10 and generator 50
Liquid carries out heat exchange.Wherein, being provided with choke valve 59 on the first solution circulating line 66, solution heat exchanger 58 is located at by choke valve 59
And between absorber 10, can prevent choke valve 59 because temperature reduce and Crystallization Plugging.Solution heat exchanger on solution circulating line
The outlet 67 of 58 is arranged at generator 50.The absorbent solution of ie in solution circulating line conveying exports from solution heat exchanger 58
After, should be with in the shortest distance input to generator 50.Absorbent solution crystallisation problems can be solved further.
In the present invention, the specific configuration to equipment for separating liquid from solid does not limits.In order to make it easy to understand, provide below a kind of solid
The preferred embodiment of liquid separating apparatus illustrates.Seeing Fig. 8, equipment for separating liquid from solid includes:
Liquid barrier 71, is connected with the internal face of the container body of the formation absorbent solution flash chamber 64 of generator 50, keeps off liquid
Interlayer 70 is formed, in absorbent solution flash chamber 64 between absorbent solution flash chamber 64 internal face of plate 71 and generator 50
Absorbent solution is entered in interlayer by the interlayer entrance of the lower end of liquid barrier 71；
Overflow launder 73, in the outside wall surface of the container body being formed at generator 50, for accommodating by the suction overflowed in interlayer 70
Receive solution；
Overfall 72, on the sidewall of the container body being opened in generator 50, overfall 72 connects interlayer 70 and overflow launder 73；
Second absorbent solution spray piping 62 connects with overflow launder 73, generator 50 to absorber 10 in solution circulating line
The pipeline (the second solution circulating line 65) of conveying direction connects with the bottom of absorbent solution flash chamber 64；Wherein
When the absorbent of absorbent solution crystallizes, absorbent crystallization is along the container body inwall of liquid barrier 71 and generator 50
The bottom of generator 50 is fallen in face, and the absorbent crystallization falling bottom is carried by the second solution circulating line 65 with absorbent solution
To absorber 10, absorbent solution is entered in interlayer 70 by liquid barrier 71 lower end, and interlayer 70 internal upper part divides and do not contains absorbent crystallization
Absorbent solution enter overflow launder 73 from overfall 72, and it is molten to be delivered to the second absorption by the second absorbent solution spray piping 62
Liquid spray equipment 53.
Equipment for separating liquid from solid simple in construction in the present embodiment, good separating effect.Absorbent solution after flash distillation is divided at solid-liquid
In device, carry out solid-liquid separation, then will be sent to absorber containing the absorbent solution of absorbent crystalline particle；Owing to absorbent is tied
Brilliant granule is tiny and has mobility, because of without causing the second solution circulation pump 57, first being located on solution circulating line
Absorbent solution spray equipment 13 and the blocking of solution circulating line；Owing to absorbent is in the relatively low temperature of generator 50, i.e. exist
Partial crystallization under relatively low dissolubility, and in the higher temperature of absorber 10, i.e. dissolve under higher dissolubility, makes absorber 10
The absorbent solution of generator 50 absorbent solution concentration it is higher than, it might even be possible to be used in or at a temperature of close absorption with concentration
Saturated concentration, thus can relatively low there is heat source temperature grade under conditions of make industrial exhaust heat obtain bigger temperature product
Position promotes, and is allowed to be more convenient for recycling, it is thus possible to bring significant energy-saving effect and economic benefit to user.Liquid barrier 71
Should be obliquely installed, to improve separating effect.
Preferred as any of the above-described embodiment, sees Fig. 7 and Fig. 8, the absorbent solution flash chamber 64 of generator 50
The cross section of bottom is gradually reduced, in infundibulate (when container body is cylindrical shape, the bottom of absorbent solution flash chamber 301 in
Turbination).When liquid barrier 71 is obliquely installed, can try one's best parallel with the internal face of absorbent solution flash chamber 64.Generator 50
The bottom funneling of absorbent solution flash chamber 64, even if being not provided with liquid barrier 71 also absorbent crystalline deposit is played one
Fixed effect.It addition, the cross section of the bottom of absorbent solution flash chamber 64 is gradually reduced the recoverable amount being effectively reduced liquid,
So that the startup time of system is shorter, cost is lower, and compressive resistance and corrosion resistance are higher simultaneously.Meanwhile, absorption can be made
Agent crystallization is recycled in absorber 10 by solution circulating line.
Preferred as any of the above-described embodiment, sees Fig. 7 and Fig. 8, and condenser 51 and generator 50 share same container
Body, the top in this container body is the chamber of condenser 51, and the bottom in container body is the chamber of generator 50, condenser 51
In chamber, bottom is provided with condensation working medium receptor 63, forms the between outer wall and the inwall of container body of condensation working medium receptor 63
Two refrigerant vapor passages 52.Condensation working medium receptor 63 connects vaporizer 11 by working medium pipeline 19.Working medium pipeline 19 is provided with
Working medium pump 54.Condenser 51 and generator 50 share a container body, and container body internal upper part forms condensing zone, and flash distillation is formed at bottom
District, further increases performance and reduces cost.Container body is cylindrical vessel.There is the feature that compressive property is high, and structure letter
Single.
In the present invention to the process waste heating agent of thermal process as evaporation heating agent and second-kind absorption-type heat pump subsystem
Second generation heating agent concrete connected mode do not limit.Can be parallel way be simultaneously entered corresponding heat exchanger can also
Series system is used to sequentially input corresponding heat exchanger.Parallel way therein such as Fig. 6 and Fig. 7 shows, more than the technique of thermal process
The evaporating heat exchanger 16 that heating agent imports by evaporating heating agent pipeline 44 is as the heat of evaporation of second-kind absorption-type heat pump subsystem
Matchmaker, occurs heat exchanger 55 to absorb as Equations of The Second Kind with the process waste heating agent of thermal process by occurring heating agent pipeline 45 to import simultaneously
Second generation heating agent of the generator of formula heat pump subsystem.Or, series system as shown in Figure 7 and Figure 8, by the work of thermal process
Skill waste heat heating agent first passes through evaporation heating agent pipeline 44 and imports the evaporating heat exchanger 16 steaming as second-kind absorption-type heat pump subsystem
Heating matchmaker, have passed through the process waste heating agent of evaporating heat exchanger 16 again via occurring heating agent pipeline 45 importing to occur heat exchanger 61 to make
The second generation heating agent for the generator of second-kind absorption-type heat pump subsystem.Vaporizer 11 is connected when there is heating agent pipeline 45
During the generation heat exchanger of evaporating heat exchanger 16 and generator 50, use series system.
In the embodiment of the present invention, process steam condensed water can be to be introduced directly into absorption heat-exchange device 15, it is also possible to is indirect
Import absorption heat-exchange device 15.It can be to be introduced directly into steaming that process steam condensed water absorbs the thermogenetic absorption heating agent steam of absorption
The driving fluid entrance of vapour jet type heat pump, it is also possible to be the driving fluid entrance indirectly importing steam jet heat pump.
See Fig. 6, directly process steam condensed water inputted absorption heat-exchange device 15 with thermal process steam condensate (SC) pipeline 28,
Process steam condensed water absorbs the thermogenetic absorption heating agent steam of absorption and is introduced directly into again the flow type pump with injection of steam jet heat pump
Body entrance.Fail to be converted to absorb heating agent steam, to this end, the present invention gives owing to there may be minimal amount of process steam condensed water
Go out and think following embodiment.
Seeing Fig. 7 and Fig. 8, this embodiment also includes that steam-water separation tank 90, the bottom of steam-water separation tank 90 are steamed by technique
Vapour condensed water import pipe 91 is connected with the entrance of absorption heat-exchange device 15, and process steam condensed water import pipe 91 is provided with technique
Steam condensate (SC) circulating pump 92, the outlet of absorption heat-exchange device 15 derives pipeline 93 and steam-water separation tank by process steam condensed water
The middle part of 90 connects, and drawing of pipeline 80 and steam jet heat pump is derived by absorbing heating agent steam in the top of steam-water separation tank 90
Jet body entrance is connected, and the bottom of steam-water separation tank 90 is connected with thermal process steam condensate (SC) pipeline 28.In the present embodiment,
With thermal process steam condensate (SC) pipeline 28 is existing, process steam condensed water being inputted steam-water separation tank 90, process steam condensed water imports
Process steam condensed water in steam-water separation tank 90 is inputted absorption heat-exchange device 15 by pipeline 91, is absorbed by absorption heat-exchange device 15
The process steam condensed water absorbing heat is converted into absorption heating agent steam, and absorbing heating agent steam derives pipeline through process steam condensed water
In 93 input steam-water separation tanks 90, the absorption heating agent steam carrying a small amount of process steam condensed water is carried out in steam-water separation tank 90
Steam-water separation, the heating agent steam that absorbs after separation imports drawing of steam jet heat pump through absorbing heating agent steam derivation pipeline 80
Jet body entrance.The supply steam that the fluid that the driving fluid entrance of steam jet heat pump imports imports with Working-fluid intaking
Mixing generation process steam supply thermal process.
Seeing Fig. 9, absorption heat-exchange device uses vertical double down film heat exchanger, and the absorbing cavity of absorber 10 is located at by absorption heat-exchange device
In room 201, 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, with thermal process steam condensate (SC) pipeline 28, absorption heating agent is led
Entering to absorb in heating agent receiving chamber 250, absorbing the absorption heating agent steam in heating agent receiving chamber 250 derives pipeline 80 by absorbing heating agent
Import the driving fluid entrance of steam jet heat pump, absorb the absorption heating agent in heating agent receiving chamber 250 by by absorbing heat
Matchmaker's circulating line 205 imports and absorbs heating agent importing room 240, absorbs heating agent circulating line 205 and is provided with absorption heat medium circulation pump
204.The embodiment of the present invention provide vertical double down film heat exchanger achieve double down film inside and outside heat exchanger tube, improve absorption heating agent and
The heat transfer effect of absorbent solution.
Seeing Fig. 9, evaporating heat exchanger uses vertical double down film heat exchanger, and evaporating heat exchanger is located at absorption vaporizer 11
In evaporation chamber 101, 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 by evaporation heat medium pipe
Road 44 imports evaporation heating agent and imports in room 140, and evaporation heating agent is flowed out by the gap between heat exchanger tube 120 and liquid distributing hole plate 141,
And in the outside wall surface of heat exchanger tube 120, forming outer falling liquid film, condensation working medium absorbs the heat of evaporation heating agent and is evaporated to refrigerant vapor；
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 sent out by occurring heating agent pipeline 45 to be directed at
Raw heat exchanger 61.When evaporating heating agent and being steam or the steam containing on-condensible gas, its condensed water is derived by evaporation heating agent
Pipeline 46 is derived.The vertical double down film heat exchanger that the embodiment of the present invention provides achieves double down film inside and outside heat exchanger tube, improves steaming
Heating matchmaker and the heat transfer effect of condensation working medium.
Preferred as any of the above-described embodiment, sees Fig. 9, and vaporizer 11 and absorber 10 share same container body, should
Top in container body is the chamber of vaporizer 11, and the bottom in container body is the chamber of absorber 10, the chamber of vaporizer 11
Interior bottom is provided with the second condensation working medium receptor 106 for accommodating condensation working medium, the outer wall of the second condensation working medium receptor 106
And form the first refrigerant vapor passage 700 between the inwall of container body.Condensation working medium in second condensation working medium receptor 106 is led to
Cross the second condensation working medium spray piping 18 input condensation working medium and import room 120.Second condensation working medium spray piping 18 is provided with work
Matter spray pump 33.Vaporizer 11 and absorber 10 share same container body, further increase performance and reduce cost.Container body
For cylindrical vessel.There is the feature that compressive property is high, and simple in construction.
On the other hand, present invention also offers the operation method of a kind of heat pump, please also refer to above-mentioned about heat pump
The explanation of system and Fig. 6-Fig. 8, the operation method of the heat pump of the present embodiment includes vaporizer link, absorber link, sends out
Raw device link, condenser link and steam jet heat pump link, wherein
Vaporizer link, working medium is from flowing through the heat of process waste heating agent absorption technique waste heat of evaporating heat exchanger and evaporating
For refrigerant vapor, refrigerant vapor is transported in absorber；
Absorber link, absorbent solution absorbs the refrigerant vapor of vaporizer generation and discharges the suction that temperature grade improves
Receiving heat, process steam condensed water is by the absorption warm described in the absorption of absorption heat-exchange device and produces absorption heating agent steam, described absorption
Heating agent steam is delivered to steam jet heat pump through driving fluid entrance, and the absorbent solution in absorber is transported in generator,
Process steam condensed water is process steam with the condensed water formed after discharging heat in thermal process；
Generator link, absorbent solution is sprayed by the second absorbent solution spray equipment, makes the tiny liquid of absorbent solution
Drop in and the absorbent solution flash chamber of generator carries out vacuum insulation flash distillation and produces refrigerant vapor；Flash process absorbs
Solution obtains evaporation and concentration and cooling；Absorbent solution after flash distillation falls the bottom of absorbent solution flash chamber, and a part absorbs
Solution enters through the second absorbent solution spray pump and is located at the generation heat exchanger outside generator, more than generation heat exchanger and technique
Heating agent heat exchange is with the heat of absorption technique waste heat heating agent, and the absorbent solution after intensification is transported to the second absorbent solution spray dress
Put；The first absorbent solution spray equipment that a part of absorbent solution is delivered in absorber sprays；
Condenser link, is condensed the refrigerant vapor that generator produces by condensing heat exchanger and discharges condensation
Heat, described condensation heat is taken away by the cooling water flowing through condensing heat exchanger；The condensation working medium that condensation is formed is via on working medium pipeline
Working medium delivery pump is delivered to vaporizer；
Steam jet heat pump link, Working-fluid intaking the supply steam inputted with inputted by driving fluid entrance
Absorbing the process steam condensed water mixing absorbing heat, the process steam of generation is by compressing fluid issuing output, and via by heat
The process steam pipeline of technique is delivered to use thermal process.
The embodiment of the present invention include but not limited to the evaporating and concentrating process of material, distillation technique, back tender by thermal process
Skill and drying process, and the chemical absorption process of gas, physical absorption process and absorbing process etc., the process waste of the present invention
Heating agent includes saturated vapor, superheated steam, moist steam, steam, hot water, conduction oil and hot blast etc. containing on-condensible gas.
The absorbent of the present invention is selected from following LiBr, LiNO3, LiCl or CaCl2In at least one, working medium can use
H2O。
The present invention propose merge on the second-kind absorption-type heat pump subsystem with process waste as driving heat source with
With thermal process supply steam and steam between the steam jet heat pump subsystem that pressure reduction is driving force heat pump with
And method.When using the heat pump of the present invention, the heat of process waste steam and the grade of supply steam can obtain
Utilize completely, owing to the COP of second-kind absorption-type heat pump is usually about 0.48, as it is shown in figure 5, put into the supply of 0.57 ton
Steam can provide the 145 DEG C of process steams adding up to 1.0 tons, and fractional energy savings also brings up to 43% from original 41%.
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 (10)
1. a heat pump, including second-kind absorption-type heat pump being made up of vaporizer, absorber, generator and condenser
System, it is characterised in that also include steam jet heat pump, with the process waste heating agent of thermal process as the steaming of described vaporizer
Heating matchmaker imports evaporating heat exchanger, and the working medium in vaporizer is evaporated to work after absorbing the heat of evaporation heating agent by evaporating heat exchanger
Matter steam, the absorbent solution in absorber absorbs the refrigerant vapor release absorption heat that vaporizer produces, more than the technique of thermal process
Heating agent is also as the generation heating agent importing generation heat exchanger of generator, with the process steam condensed water of thermal process as absorbing heat
Matchmaker imports the absorption heat-exchange device of described absorber, and process steam condensed water absorbs described absorption heat by absorption heat-exchange device and produces
Absorb heating agent steam, absorb heating agent steam and import the injection of described steam by the driving fluid entrance of described steam jet heat pump
Formula heat pump, the Working-fluid intaking of steam jet heat pump is connected with the supply jet chimney of thermal process, steam-sprayed
The compression fluid issuing of heat pump is connected with the process steam pipeline of thermal process.
Heat pump the most according to claim 1, it is characterised in that also include steam-water separation tank, described steam-water separation tank
Bottom be connected by the entrance of process steam condensed water import pipe with described absorption heat-exchange device, described process steam condense
Water import pipe is provided with process steam condensate water circulatory pump, and the outlet of absorption heat-exchange device is by process steam condensed water delivery line
Road is connected with the middle part of steam-water separation tank, and pipeline and described steam are derived by absorbing heating agent steam in the top of steam-water separation tank
The driving fluid entrance of jet type heat pump is connected, and the bottom of steam-water separation tank is connected with thermal process steam condensate (SC) pipeline
Connect.
Heat pump the most according to claim 1, it is characterised in that the process waste heating agent of described thermal process is as steaming
Heating matchmaker first via the evaporating heat exchanger of the vaporizer described in evaporation heating agent pipeline importing, have passed through the work of described evaporating heat exchanger
Skill waste heat heating agent imports the generation heat exchanger of described generator again as the heating agent that occurs of generator via generation heating agent pipeline.
Heat pump the most according to claim 1, it is characterised in that described generator include absorbent solution flash chamber,
Second absorbent solution spray equipment, the second absorbent solution spray piping, the second absorbent solution spray pump and generation heat exchanger, send out
The outside of absorbent solution flash chamber is located at by raw heat exchanger, and the top in absorbent solution flash chamber is provided with the second absorbent solution spray
Shower device, the second absorbent solution spray equipment is with the second absorbent solution spray piping being located at outside absorbent solution flash chamber even
Connecing, the absorbent solution in absorbent solution flash chamber is delivered to the second absorbent solution spray dress by the second absorbent solution spray piping
Putting and spray, the second absorbent solution spray piping is provided with the second absorbent solution spray pump, the second absorbent solution spray piping
Being connected with the cold flow side that heat exchanger occurs, the process waste heating agent of described thermal process occurs by occurring heating agent pipeline to import
The hot-fluid side of heat exchanger.
Heat pump the most according to claim 4, it is characterised in that described generation heat exchanger is contra-flow heat exchanger.
Heat pump the most according to claim 1, it is characterised in that described generator also includes equipment for separating liquid from solid, institute
When stating the absorbent crystallization in the absorbent solution in the absorbent solution flash chamber of generator, described equipment for separating liquid from solid is by described
Absorbent solution is separated into containing absorbent crystallization and the two parts without absorbent crystallization, the wherein absorption without absorbent crystallization
Solution is delivered to the second absorbent solution spray equipment through the second absorbent solution spray piping, containing the absorbent solution of absorbent crystallization
It is delivered in absorber by the solution circulating line connecting absorber and generator.
Heat pump the most according to claim 1, it is characterised in that molten by being used for absorbing between absorber and generator
The solution circulating line of liquid circulation connects, and described solution circulating line is provided with choke valve and solution heat exchanger, described choke valve
Being located on the solution circulating line that self-absorption device to generator direction is circulated, described choke valve is located at absorber and is changed with described solution
Between hot device.
Heat pump the most according to claim 1, it is characterised in that described evaporating heat exchanger uses vertical pair of Falling film heat transfer
Device, the evaporation cavity that evaporating heat exchanger is located at absorption vaporizer is indoor, and the vertical double down film as absorption evaporating heat exchanger changes
Hot device 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；
Condensation working medium imports room, is positioned at the top of heat exchanger tube upper head plate, and condensation working medium imports indoor condensation working medium from heat exchanger tube
Upper end flow in heat exchanger tube, and falling liquid film in being formed on the inwall of heat exchanger tube；
Second condensation 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；
Evaporation heating agent imports room, and it is heat exchanger tube upper head plate that evaporation heating agent 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, evaporation heating agent imports evaporation heating agent by evaporation heating agent pipeline and imports indoor, and evaporation heating agent passes through
Gap between heat exchanger tube and liquid distributing hole plate is flowed out, and forms outer falling liquid film in the outside wall surface of heat exchanger tube, and condensation working medium absorbs steams
The heating heat of matchmaker and be evaporated to refrigerant vapor；
Evaporation heating agent receiving chamber, is positioned at the top of heat exchanger tube bottom plate, and evaporation heating agent receiving chamber flows down along heat exchanger tube for accommodating
Evaporation heating agent, evaporation heating agent receiving chamber in evaporation heating agent by occur heating agent pipeline be directed at generation heat exchanger.
Heat pump the most according to claim 1, it is characterised in that described absorption heat-exchange device uses vertical pair of Falling film heat transfer
Device, described absorption heat-exchange device is located in the absorption chamber of absorber, and the vertical double down film heat exchanger as absorption heat-exchange device 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；
Absorbent solution imports room, is positioned at the top of heat exchanger tube upper head plate, and absorbent solution imports indoor absorbent solution from heat exchanger tube
Upper end flow in heat exchanger tube, and falling liquid film in being formed on the inwall of heat exchanger tube, the absorption vaporizer of absorbent solution absorption simultaneously
The refrigerant vapor produced, and discharge the absorption heat of high temperature；
Absorbent solution receiving chamber, is positioned at the lower section of heat exchanger tube bottom plate, the absorbent solution flowed out within accommodating heat exchanger tube；
Absorbing heating agent and import room, the top board absorbing heating agent importing room is heat exchanger tube upper head plate, 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
Form gap between fluid apertures plate, absorb heating agent and flowed out by the gap between heat exchanger tube and liquid distributing hole plate, and outside heat exchanger tube
Form outer falling liquid film on wall, absorb heating agent and absorb the described heat absorbing heat and be evaporated to absorb heating agent steam；
Absorb heating agent receiving chamber, be positioned at the top of heat exchanger tube bottom plate, absorb heating agent receiving chamber and be used for accommodating absorption heating agent steam
And the absorption heating agent flowed down along heat exchanger tube, heating agent will be absorbed with thermal process steam condensate (SC) pipeline and import and absorb heating agent receiving chamber
In, absorbing the absorption heating agent steam in heating agent receiving chamber derives the pipeline described steam-sprayed heat of importing by absorbing heating agent steam
The driving fluid entrance of pump, absorbs the absorption heating agent in heating agent receiving chamber and leads by absorbing heating agent circulating line importing absorption heating agent
Enter the room, absorb heating agent circulating line and be provided with absorption heat medium circulation pump.
10. the operation method of the heat pump described in claim 1, including vaporizer link, absorber link, generator ring
Joint, condenser link and steam jet heat pump link, wherein
Vaporizer link, working medium is from flowing through the heat of process waste heating agent absorption technique waste heat of evaporating heat exchanger and being evaporated to work
Matter steam, described refrigerant vapor is transported in absorber；
Absorber link, absorbent solution absorbs the refrigerant vapor of vaporizer generation and discharges the absorption that temperature grade improves
Heat, process steam condensed water is by the absorption warm described in the absorption of absorption heat-exchange device and produces absorption heating agent steam, described absorption heat
Matchmaker's steam is delivered to steam jet heat pump through driving fluid entrance, and the absorbent solution in absorber is transported in generator, institute
Stating process steam condensed water is process steam with the condensed water formed after discharging heat in thermal process；
Generator link, absorbent solution is sprayed by the second absorbent solution spray equipment, makes the fine drop of absorbent solution exist
The absorbent solution flash chamber of generator carries out vacuum insulation flash distillation and produces refrigerant vapor；Absorbent solution in flash process
Obtain evaporation and concentration and cooling；Absorbent solution after flash distillation falls the bottom of absorbent solution flash chamber, a part of absorbent solution
Enter through the second absorbent solution spray pump and be located at the generation heat exchanger outside generator, by there is heat exchanger and process waste heat
Matchmaker's heat exchange is with the heat of absorption technique waste heat heating agent, and the absorbent solution after intensification is transported to the second absorbent solution spray equipment；One
Partially absorb the first absorbent solution spray equipment that solution is delivered in absorber to spray；
Condenser link, condenses to the refrigerant vapor that generator produces and discharges condensation heat, institute by condensing heat exchanger
State condensation heat to be taken away by the cooling water flowing through condensing heat exchanger；The condensation working medium that condensation is formed is defeated via the working medium on working medium pipeline
Send transport pump to vaporizer；
Steam jet heat pump link, Working-fluid intaking the supply steam inputted and the absorption inputted by driving fluid entrance
Heating agent steam, the process steam of generation is exported by compressing fluid issuing, and via defeated with the process steam pipeline of thermal process
Deliver to use thermal process.
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| CN201610728253.XA CN106196727B (en) | 2016-08-25 | 2016-08-25 | A kind of heat pump system and its operation method |
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| CN201610728253.XA CN106196727B (en) | 2016-08-25 | 2016-08-25 | A kind of heat pump system and its operation method |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107339684A (en) * | 2017-06-23 | 2017-11-10 | 珠海格力电器股份有限公司 | A kind of steam generating equipment, steam sauna system and its control method |
| CN107975960A (en) * | 2017-11-07 | 2018-05-01 | 西安交通大学 | A kind of absorption system and control method of injection synergy |
| CN108793571A (en) * | 2018-06-07 | 2018-11-13 | 合肥卡若环保科技合伙企业（有限合伙） | A kind of reinforcing desalination high-salt wastewater processing system |
| CN109282272A (en) * | 2018-09-14 | 2019-01-29 | 浙江理工大学 | Superheated steam heat drying system and method based on absorption heat pump |
| CN110260636A (en) * | 2019-06-14 | 2019-09-20 | 北京联力源科技有限公司 | A kind of material drying system and method based on superheated steam |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07139842A (en) * | 1993-11-18 | 1995-06-02 | Tokyo Gas Co Ltd | Absorption freezer |
| CN102828790A (en) * | 2011-06-14 | 2012-12-19 | 同方节能工程技术有限公司 | Low-pressure heating system for power plant |
| CN103322725A (en) * | 2012-03-20 | 2013-09-25 | 北京科技大学 | Heat pump system, drying system, and respective method |
| CN103322727A (en) * | 2012-03-20 | 2013-09-25 | 北京科技大学 | Heat pump system as well as drying system and method |
| CN206113402U (en) * | 2016-08-25 | 2017-04-19 | 北京联力源科技有限公司 | Heat pump system |
-
2016
- 2016-08-25 CN CN201610728253.XA patent/CN106196727B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07139842A (en) * | 1993-11-18 | 1995-06-02 | Tokyo Gas Co Ltd | Absorption freezer |
| CN102828790A (en) * | 2011-06-14 | 2012-12-19 | 同方节能工程技术有限公司 | Low-pressure heating system for power plant |
| CN103322725A (en) * | 2012-03-20 | 2013-09-25 | 北京科技大学 | Heat pump system, drying system, and respective method |
| CN103322727A (en) * | 2012-03-20 | 2013-09-25 | 北京科技大学 | Heat pump system as well as drying system and method |
| CN206113402U (en) * | 2016-08-25 | 2017-04-19 | 北京联力源科技有限公司 | Heat pump system |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107339684A (en) * | 2017-06-23 | 2017-11-10 | 珠海格力电器股份有限公司 | A kind of steam generating equipment, steam sauna system and its control method |
| CN107339684B (en) * | 2017-06-23 | 2023-08-29 | 珠海格力电器股份有限公司 | Steam generation equipment, steam sauna system and control method thereof |
| CN107975960A (en) * | 2017-11-07 | 2018-05-01 | 西安交通大学 | A kind of absorption system and control method of injection synergy |
| CN108793571A (en) * | 2018-06-07 | 2018-11-13 | 合肥卡若环保科技合伙企业（有限合伙） | A kind of reinforcing desalination high-salt wastewater processing system |
| CN109282272A (en) * | 2018-09-14 | 2019-01-29 | 浙江理工大学 | Superheated steam heat drying system and method based on absorption heat pump |
| CN110260636A (en) * | 2019-06-14 | 2019-09-20 | 北京联力源科技有限公司 | A kind of material drying system and method based on superheated steam |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106196727B (en) | 2019-04-19 |
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Effective date of registration: 20200921 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. |