CN110455041A - Freeze-drying method based on recuperation of heat and photothermal technique - Google Patents
Freeze-drying method based on recuperation of heat and photothermal technique Download PDFInfo
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- CN110455041A CN110455041A CN201910802902.XA CN201910802902A CN110455041A CN 110455041 A CN110455041 A CN 110455041A CN 201910802902 A CN201910802902 A CN 201910802902A CN 110455041 A CN110455041 A CN 110455041A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S20/00—Solar heat collectors specially adapted for particular uses or environments
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S80/00—Details, accessories or component parts of solar heat collectors not provided for in groups F24S10/00-F24S70/00
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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
- F25B1/00—Compression machines, plants or systems with non-reversible cycle
-
- 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
- F25B41/00—Fluid-circulation arrangements
- F25B41/30—Expansion means; Dispositions thereof
- F25B41/31—Expansion valves
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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
- F25B43/00—Arrangements for separating or purifying gases or liquids; Arrangements for vaporising the residuum of liquid refrigerant, e.g. by heat
- F25B43/02—Arrangements for separating or purifying gases or liquids; Arrangements for vaporising the residuum of liquid refrigerant, e.g. by heat for separating lubricants from the refrigerant
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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
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D21/00—Defrosting; Preventing frosting; Removing condensed or defrost water
- F25D21/06—Removing frost
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B5/00—Drying solid materials or objects by processes not involving the application of heat
- F26B5/04—Drying solid materials or objects by processes not involving the application of heat by evaporation or sublimation of moisture under reduced pressure, e.g. in a vacuum
- F26B5/06—Drying solid materials or objects by processes not involving the application of heat by evaporation or sublimation of moisture under reduced pressure, e.g. in a vacuum the process involving freezing
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D20/00—Heat storage plants or apparatus in general; Regenerative heat-exchange apparatus not covered by groups F28D17/00 or F28D19/00
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D7/00—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
- F28D7/08—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being otherwise bent, e.g. in a serpentine or zig-zag
- F28D7/082—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being otherwise bent, e.g. in a serpentine or zig-zag with serpentine or zig-zag configuration
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/40—Solar thermal energy, e.g. solar towers
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/14—Thermal energy storage
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Thermal Sciences (AREA)
- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Energy (AREA)
- Sustainable Development (AREA)
- Analytical Chemistry (AREA)
- Power Engineering (AREA)
- Health & Medical Sciences (AREA)
- Molecular Biology (AREA)
- Drying Of Solid Materials (AREA)
Abstract
The present invention provides a kind of freeze-drying method based on recuperation of heat and photothermal technique, comprising: cooling fixating shape step: carrying out cooling sizing to material, the material after obtaining cooling sizing, collects sizing stage heat to insulated water tank and stores;Dehumidifying step: the material after cooling sizing is placed in freeze-drying chamber, and freeze-drying chamber is vacuumized and dehumidified simultaneously, is collected dehumidifying stage heat to insulated water tank and is stored, and can be stepped up temperature of charge using the heat of storage in dehumidification process;Defrosting step: it using the heat being stored in insulated water tank, defrosts to freeze-drying chamber.The present invention can effectively reduce the first dress power of equipment, to reduce system operation cost;The heat that the heat and the sun that the present invention can generate system generate stores.
Description
Technical field
The present invention relates to lyophilization system fields, and in particular, to a kind of freezing based on recuperation of heat and photothermal technique
Drying means.
Background technique
Lyophilization system refers to the process of removes moisture removal or other solvents by distillation from the biological product freezed.It passes
The drying of system can cause material shrinkage, destroy cell.And the structure of sample will not be destroyed in freeze drying process, because solid
Body composition is support by the black ice on its position.In ice distillation, it can leave hole in dry surplus materials.In this way
Just remain the biological and chemical structure and its active integrality of product.Lyophilization system is widely applied in laboratory, is changed
Credit analysis, the fields such as preserving fruit and vegetable utilizing.The vacuum freeze drying system is by refrigeration system, vacuum system, heating system, dehumidification system
A kind of combined integrated complicated refrigeration system.In freezing dry process, cryogenic refrigeration is needed to keep material shapes and dehumidifying,
It needs to heat to change sublimation point and the defrosting of table material, while needing vacuum system also to keep the vacuum degree of material bin.It is all
For subsystem in, refrigeration system and heating system energy consumption account for 80% or more of entire drying system energy consumption.On the market cold at present
Freeze-drying drying system mostly uses Semi-closed piston mechanism cold, is defrosted with electric heating.Although just cost is relatively low for dress for the configuration, whole
Machine power is very big.Therefore system operation cost is very high, and there are the huge wastings of resources.
Patent document CN109764641A discloses a kind of freeze-drying method provided by the invention, by mechanically mixing
Working medium cryogenic refrigeration unit (RC) realizes that the super low temperature quick frozen of material, vacuum freeze drying unit (S) realize that the vacuum of material is cold
Be lyophilized it is dry, mechanical mixed working fluid cryogenic refrigeration unit (RC) and vacuum freeze drying unit (S) effect under can accelerate speed
Jelly process promotes quick-frozen materials quality, reduces the lyophilized technique period and reduces energy consumption for cooling.Though the patent complete machine power is very big.
This method operation cost is very high, and there are the huge wastings of resources.
Summary of the invention
For the defects in the prior art, the freezing based on recuperation of heat and photothermal technique that the object of the present invention is to provide a kind of
Drying means.
A kind of freeze-drying method based on recuperation of heat and photothermal technique provided according to the present invention, comprising: cooling sizing
Step: carrying out cooling sizing to material, the material after obtaining cooling sizing, collects sizing stage heat to insulated water tank and stores;
Dehumidifying step: the material after cooling sizing is placed in freeze-drying chamber, and freeze-drying chamber is vacuumized and removed simultaneously
It is wet, it collects dehumidifying stage heat to insulated water tank and stores;In dehumidification process, the temperature that can gradually rise material (is directly utilized and is removed
The heat of wet generation, if not enough, the heat being stored in water tank can be used), to change sublimation temperature to reach and thoroughly remove
Wet effect.
Defrosting step: it using the heat being stored in insulated water tank, defrosts to freeze-drying chamber.
It is preferably based on the freeze-drying method of recuperation of heat and photothermal technique further include: refrigeration step: using refrigerant to object
Material carries out cooling sizing, is dehumidified using refrigerant to dry materials environment;
Preferably, refrigeration step includes: two-stage radiation step: using first-class heat exchanger to being radiated in advance, to radiate in advance
Afterwards, it is radiated using secondary heat exchanger to refrigeration system medium.Adjust frequency converter sets step: according to the sizing environment temperature of setting
Degree/dehumidified environment temperature takes following any or a variety of adjustment modes :-loading and frequency conversion unit quantity;Unload frequency conversion
Unit quantity;Frequency adjusting is carried out to single frequency converter sets;It needs how much to provide how many effects to realize, can effectively drop
The first dress power of low equipment.
Preferably, refrigeration step includes: storage heat step: first-class heat exchanger is connected with water tank, flows through first-class heat exchanger
Refrigerant and flow through the water of first-class heat exchanger and carry out heat exchange, water flow recovery tank after heat exchange and the mixing of the water in water tank, then
First-class heat exchanger heat exchange is flowed into, the water circulation in water tank flows into first-class heat exchanger and refrigerant heat exchange, to improve water temperature to reach
Store the requirement of heat.
It is preferably based on the freeze-drying method of recuperation of heat and photothermal technique further include: heating stepses: to the water in water tank
It is heated.
Preferably, defrosting step further include: rear defrosting step: after the hutch water device frosting to predetermined extent of system to be dehumidified,
It is defrosted using hot water.
Preferably, heating stepses include: solar energy heating step: being carried out using solar energy heating array to the water in water tank
Heating.
Preferably, the insulated water tank includes: inner water tank, lagging casing;The lagging casing covers in whole or in part
Lid inner water tank.
Preferably, the first-class heat exchanger include: the first water outlet mouthpiece component, it is the first water inlet interface component, first cold out
Matchmaker's mouthful component, first are into refrigerant mouth component, the first aquaporin component, the first refrigerant passage component;The first aquaporin component
It is respectively connected with the first water outlet mouthpiece component, the first water inlet interface component;The first refrigerant passage component and first goes out refrigerant
Mouth component, first are respectively connected with into refrigerant mouth component;The first aquaporin component is able to carry out with the first refrigerant passage component
Heat exchange.
Preferably, the secondary heat exchanger include: the second water outlet mouthpiece component, it is the second water inlet interface component, second cold out
Matchmaker's mouthful component, second are into refrigerant mouth component and the second refrigerant passage component;The second aquaporin component connects with the second water outlet
Mouth component, the second water inlet interface component are respectively connected with;The second refrigerant passage component and second go out refrigerant mouth component, second into
Refrigerant mouth component is respectively connected with;The second aquaporin component and the second refrigerant passage component are able to carry out heat exchange;First goes out
Refrigerant mouth component is connected with second into refrigerant mouth component.
Compared with prior art, the present invention have it is following the utility model has the advantages that
1, the present invention is in parallel using multiple frequency conversion refrigeration units, and system can be according to processing procedure needs, and automatic load and unloading become
Frequency unit quantity, while can single frequency converter sets be carried out with frequency adjusting, realization needs how much to provide how many effects, can be effective
The first dress power for reducing equipment, to reduce system operation cost;
2, the present invention utilize heat recovery technology and photo-thermal effect, can to system generate heat and the sun generate heat into
Row storage, reuses when needing to heat;
3, structure of the invention is reasonable, effectively save resource, reduces discharge.
Detailed description of the invention
Upon reading the detailed description of non-limiting embodiments with reference to the following drawings, other feature of the invention,
Objects and advantages will become more apparent upon:
Fig. 1 is flow diagram of the invention.
Fig. 2 is the heat accumulation recovery system structural schematic diagram in the embodiment of the present invention.
Fig. 3 is the refrigerant system configurations schematic diagram in the embodiment of the present invention.
Fig. 4 is the structural schematic diagram of the freeze-drying cavity portion part in the embodiment of the present invention.
Fig. 5 is that system structure diagram of the invention is used in the embodiment of the present invention.
In figure:
Specific embodiment
The present invention is described in detail combined with specific embodiments below.Following embodiment will be helpful to the technology of this field
Personnel further understand the present invention, but the invention is not limited in any way.It should be pointed out that the ordinary skill of this field
For personnel, without departing from the inventive concept of the premise, several changes and improvements can also be made.These belong to the present invention
Protection scope.
As shown in Figure 1, Figure 2, Fig. 3, Fig. 4, Fig. 5, a kind of freezing based on recuperation of heat and photothermal technique provided according to the present invention
Drying means, comprising: cooling fixating shape step: carrying out cooling sizing to material, and the material after obtaining cooling sizing collects qualitative rank
Section heat to insulated water tank stores;Dehumidifying step: the material after cooling sizing is placed in freeze-drying chamber, to freeze-drying
Chamber is vacuumized and is dehumidified simultaneously, is collected dehumidifying stage heat to insulated water tank and is stored;In dehumidification process, object can be gradually risen
The temperature (heat directly generated using dehumidifying, if not enough, the heat being stored in water tank can be used) of material, to change liter
Magnificent temperature is to achieve the effect that thoroughly to dehumidify.Defrosting step: using the heat being stored in insulated water tank, to freeze-drying chamber into
Row defrosting.
Freeze-drying method based on recuperation of heat and photothermal technique further include: refrigeration step: material is carried out using refrigerant
Cooling sizing, dehumidifies to dry materials environment using refrigerant;
Refrigeration step includes: two-stage radiation step: using first-class heat exchanger to being radiated in advance, after radiating in advance, being used
Secondary heat exchanger radiates to refrigeration system medium.Adjust frequency converter sets step: according to the sizing of setting environment temperature/dehumidifying
Environment temperature takes following any or a variety of adjustment modes :-loading and frequency conversion unit quantity;Unload frequency converter sets number
Amount;Frequency adjusting is carried out to single frequency converter sets;It needs how much to provide how many effects to realize, can effectively reduce equipment
First dress power.
Refrigeration step includes: storage heat step: first-class heat exchanger connect with water tank, flow through the refrigerant of first-class heat exchanger with
The water for flowing through first-class heat exchanger carries out heat exchange, the water flow recovery tank after heat exchange and the water mixing in water tank, then flows into level-one
Heat exchanger heat exchange.Water circulation in water tank flows into first-class heat exchanger and refrigerant heat exchange, to improve water temperature to reach storage heat
Requirement.
Freeze-drying method based on recuperation of heat and photothermal technique further include: heating stepses: the water in water tank is added
Heat.
Defrosting step further include: rear defrosting step: after the hutch water device frosting to predetermined extent of system to be dehumidified, hot water is used
It defrosts.
Heating stepses include: solar energy heating step: being heated using solar energy heating array to the water in water tank.
The insulated water tank includes: inner water tank, lagging casing;The lagging casing covers in water tank in whole or in part
Gallbladder.
The first-class heat exchanger includes: the refrigerant mouth structure out of the first water outlet mouthpiece component, the first water inlet interface component, first
Part, first are into refrigerant mouth component, the first aquaporin component, the first refrigerant passage component;The first aquaporin component and first
Water outlet mouthpiece component, the first water inlet interface component are respectively connected with;The first refrigerant passage component and first go out refrigerant mouth component,
First is respectively connected with into refrigerant mouth component;The first aquaporin component and the first refrigerant passage component are able to carry out heat exchange.
The secondary heat exchanger includes: the refrigerant mouth structure out of the second water outlet mouthpiece component, the second water inlet interface component, second
Part, second are into refrigerant mouth component and the second refrigerant passage component;The second aquaporin component and the second water outlet mouthpiece component,
Second water inlet interface component is respectively connected with;The second refrigerant passage component and second goes out refrigerant mouth component, second into refrigerant mouth
Component is respectively connected with;The second aquaporin component and the second refrigerant passage component are able to carry out heat exchange;First goes out refrigerant mouth
Component is connected with second into refrigerant mouth component.
The radiator portion of refrigeration system 11 is cooled down using aqueous medium in the present invention, the wind system heat dissipation side of abandoning tradition
Formula.Water system radiator portion uses two-stage radiation device, and the first order is radiated in advance, reaches highest through the coolant-temperature gage with heat dissipation, so
After be stored in insulated water tank 1, while in order to guarantee refrigeration system 11 middle radiator effect, also need with secondary heat exchanger pair
11 medium of refrigeration system radiates, to effectively be radiated to refrigeration system 11, to ensure refrigeration effect.The part water without
Water tank 1 need to be entered to store.At the same time, insulated water tank 1 is connected with solar energy heating plate array, when having the sun and 1 water temperature of water tank
When insufficient, the water in water tank 1 is heated using photo-thermal effect by solar energy heating array, to guarantee water temperature in water tank 1.
The basic procedure of freeze-drying are as follows: cooling sizing first is carried out to material, after the completion of the process, material is sent into dry
Dry cabin, while being vacuumized and being dehumidified, after vacuum degree, which reaches certain, to be required, start to gradually rise temperature of charge, thus
Change its sublimation point to achieve the effect that dehumidifying.When dehumidification system hutch water device frosting to a certain extent after, begin to use hot water
It defrosts.Dehumidification system is also to reach humidity by freezing.Therefore, new system collection material sizing stage and dehumidifying stage
Heat storage is in insulated water tank 1, and when needing material to heat up and defrosting, 1 hot water of reuse tank is heated up and defrosted.
Specifically, in one embodiment, a kind of lyophilization system based on recycling and photothermal technique is using the present invention
The freeze-drying method based on recuperation of heat and photothermal technique is provided, the lyophilization system based on recycling and photothermal technique includes:
It is freeze-dried cavity portion part 17, heating system 9, refrigeration system 11 and heat accumulation recovery system;Freeze-drying cavity portion part 17 with
Heating system 9 is connected;Freeze-drying cavity portion part 17 is connected with refrigeration system 11;The heat accumulation recovery system and heating system
9 are connected;The heat accumulation recovery system includes: water tank 1, optical heat collector component 2, heat exchanger component 3, the water inlet of heat accumulation recovery system
Mouth and water valve component;The water valve component includes: the first water valve component 7, the second water valve component 8, third water valve component 6,
Four water valve components 4, the 5th water valve component 5;The heat accumulation recovery system water inlet is connected with one end of the first water valve component 7, institute
State water tank 1, one end of the second water valve component 8, third water valve component 6 one end be connected with the other end of the first water valve component 7,
The other end of two water valve components 8 is connected with one end of optical heat collector component 2, the other end of the third water valve component 6 with change
One end of hot device component 3 is connected, and the other end of the heat exchanger component 3 and one end of the 4th water valve component 4 are connected, the luminous energy
The other end of heat collector component 2 is connected with one end of the 5th water valve component 5, the other end of the 4th water valve component 4, the 5th
The other end of water valve component 5 is connected with water tank 1.
The water tank 1 includes: inner water tank, lagging casing, water tank inlet, the first water outlet of water tank and the second water tank
Water outlet;The lagging casing covers inner water tank in whole or in part;Water tank inlet and heat accumulation recovery system water inlet phase
Even;First water outlet of water tank is connected with heating system 9;Second water outlet of water tank is connected with the 4th water valve component 4.
The heat exchanger component 3 includes: First Heat Exchanger component 3;The First Heat Exchanger component 3 includes: the first water outlet
Interface component, the first water inlet interface component, first go out refrigerant mouth component, first into refrigerant mouth component, the first aquaporin component, the
One refrigerant passage component;The first aquaporin component is respectively connected with the first water outlet mouthpiece component, the first water inlet interface component;
Refrigerant mouth component, first are respectively connected with the first refrigerant passage component into refrigerant mouth component out with first;First water is logical
Road component and the first refrigerant passage component are able to carry out heat exchange.
Heat exchanger uses plate heat exchanger, and plate heat exchanger is made of being contained as the metal sheet with certain corrugated shape
New type high efficient heat exchanger, construction include gasket, pressure plate (movable end plate, fixed charge method end plate) and frame (upper and lower guide rod, front standing pillar)
It forms, simultaneously water conservancy diversion is sealed by gasket seal between plate, be separated out two fluid channels of cold heat, cold heat heat transferring medium point
It is not flowed through in respective channel, carries out heat with the plate being separated by and exchange, to reach user's required temperature.Every piece of plate quadrangle has
Aperture is assembled into the distribution pipe and manifold trunk of formation fluid after plate beam, after the exchange of cold heat medium heat, from respective manifold trunk
It is recycled after reflux.Heat exchange principle: dividing wall type heat transfer.Single process structure is that only 2 pieces of plates do not conduct heat a plate end to end;Double fluid
Journey structure is that each process has 3 pieces of plates not conduct heat.First-class heat exchanger and secondary heat exchanger are all made of heat-exchangers of the plate type, often
A heat-exchangers of the plate type includes a water inlet there are four interface, a water outlet, one into refrigerant mouth, one goes out refrigerant mouth.
As shown in Fig. 2, water valve 7 is opened when the water in water tank 1 is inadequate, water valve 4,5,6,8 is closed, and water enters through 7 to be kept the temperature
Water tank 1 carries out moisturizing.After 1 water of water tank is enough, water valve 7 is closed.
When have the sun and refrigeration system 11 do not run in real time i.e. first-class heat exchanger do not need progress heat exchange, water valve 4,6,
7 close, and water valve 5,8 is opened, and the water in water tank 1 is flowed out through water outlet 2, flow into solar thermal collector and are heated, after heating
Water passes through 8 reflow tank 1 of water valve.So circulation achievees the effect that improve water temperature.
When no sun and refrigeration system 11 runs in real time i.e. first-class heat exchanger and needs to carry out heat exchange, and water valve 5,7,8 closes
It closes, water valve 4,6 is opened, and the water in water tank 1 is flowed out through water outlet 2, flows into first-class heat exchanger and refrigerant exchanges heat, after heating
Water passes through 6 reflow tank 1 of water valve.So circulation achievees the effect that improve water temperature.
When having the sun and refrigeration system 11 runs in real time i.e. first-class heat exchanger and needs to carry out heat exchange, the closing of water valve 7, water
Valve 4,5,6,8 is opened, and the water in water tank 1 is flowed out through water outlet 2, and a part flows into solar thermal collector and heated, another portion
It is diverted into first-class heat exchanger and refrigerant exchanges heat, the water after heating passes through the reflow tank of water valve 6 and 81.So circulation, which reaches, mentions
The effect of high water temperature.
When heating system 9 needs to consume hot water, hot water enters heating system 9 through water outlet 1, when 1 water shortage of water tank
When, water valve 7 opens carry out moisturizing again.
The heat exchanger component 3 further include: the second heat exchanger component 3: the second heat exchanger component 3 includes: second to go out
Water interface component, the second water inlet interface component, second go out refrigerant mouth component, second into refrigerant mouth component, the second refrigerant passage structure
Part;The second aquaporin component is respectively connected with the second water outlet mouthpiece component, the second water inlet interface component;Second refrigerant
Refrigerant mouth component, second are respectively connected with channel component into refrigerant mouth component out with second;The second aquaporin component and second
Refrigerant passage component is able to carry out heat exchange;The water valve component further include: the 6th water valve component 19;The 6th water valve component
19 one end is connected with heat accumulation recovery system water inlet;The other end and the second water inlet interface component of the 6th water valve component 19
It is connected;Second water outlet mouthpiece component is connected with drainage system 18;First go out refrigerant mouth component with second into refrigerant mouth component phase
Even.First, which goes out refrigerant mouth component, is connected with second into refrigerant mouth component.
After water temperature is heated to certain temperature in water tank 1, the water in first-class heat exchanger cannot recycle refrigeration system 11
Heat, if refrigeration system 11 is still working at this time, the heat sinking function of refrigeration system 11 is taken on by secondary heat exchanger.It changes
Hot water after heat is directly entered drainage system.Meanwhile when the heat that system generates in the process of running is too big, first-class heat exchanger
It is not enough to take away enough heats, secondary heat exchanger plays the effect to exchange heat again at this time.
For coolant system circuit, the exhaust outlet that first-class heat exchanger refrigerant inlet is connected to parallel connection compressor unit is responsible for, and one
Grade heat exchanger refrigerant exit connects secondary heat exchanger refrigerant inlet, and secondary heat exchanger refrigerant exit is connected to throttling set 16, refrigerant warp
Enter evaporator after throttling to exchange heat, return in Compressor Group.So circulation.
Optical heat collector component 2;The optical heat collector component 2 is solar energy heating array device;The solar energy collection
Hot array device is the device that can convert the solar into thermal energy.
The refrigeration system 11 includes: parallel connection frequency conversion compressor structural components 14, evaporator component 15, throttling set 16;It is described
Parallel connection frequency conversion compressor structural components 14 are respectively connected with first into refrigerant mouth component, evaporator component 15;The evaporator component 15
It is connected with throttling set 16, the throttling set 16 goes out refrigerant mouth component with second and is connected.
The parallel connection frequency conversion compressor structural components 14;The parallel connection frequency conversion compressor structural components 14 include: that one or more is straight
Rheology frequency compressor structural components;The DC frequency-changeable compressor component includes: compressor structural components, gas-liquid separator component, oil gas point
From device component, gas exhaust piping component, suction line component and unidirectional cutoff valve member;The quantity of the unidirectional cutoff valve member
For one or more, the unidirectional cutoff valve member includes: the first unidirectional cutoff valve member, the second unidirectional cutoff valve member;
The first unidirectional cutoff valve member includes: the first unidirectional cutoff valve body, the first unidirectional stop valve import, the first unidirectional cutoff
Valve outlet;The second unidirectional cutoff valve member includes: the second unidirectional cutoff valve body, the second unidirectional stop valve import, second
Unidirectional cutoff valve outlet;Compressor structural components are connected with gas-liquid separator component one end, gs-oil separator component one end respectively;Gas-liquid
The separator components other end is connected with the first unidirectional stop valve import, the gs-oil separator component other end and second is unidirectionally cut
Only valve outlet is connected;First unidirectional cutoff valve outlet is connected with gas exhaust piping component;Second unidirectional stop valve import and air intake duct
Road component is connected.
The evaporator component 15 is the device that can cool down or the device that can be dehumidified.
In material freeze setting system, evaporator mainly includes blower, copper pipe and fin.When the low temperature system after throttling
When cryogen flows through copper pipe, cooling capacity can reach on the fin connected with copper pipe through heat transfer.When wind flows through between two panels fin, wing
Air in piece and wind carries out heat exchange, to achieve the effect that reduce temperature.In refrigerant dehumidification system, evaporator is to mend
Hydrophone, hutch water device are U-shaped or round stainless steel tube composition.When the low-temperature refrigerant after throttling flows through stainless steel tube, due to
The outside of stainless steel tube is the air of high humility high temperature, so can freeze stainless steel tube outside again, to achieve the effect that dehumidifying.
Throttling set 16 is heating power expansion valve.
This system further includes pumped vacuum systems 10;Freeze-drying cavity portion part 17 is connected with pumped vacuum systems 10, described
Cavity portion part 17 is freeze-dried using using arcuate structure;Freeze-drying cavity portion part 17 includes: material frame 12, water vessel 13;
The material frame 12 is connected with heating system 9;The water vessel 13 is connected with refrigeration system 11.
As shown in figure 4, entire cabin needs to bear the pressure of 1 atmospheric pressure because freeze-drying chamber is vacuum state
Power, therefore usually shape uses arcuate structure, material uses stainless steel material, thickness at least 10mm.
The parallel connection frequency conversion compressor structural components 14 include: multiple DC frequency-changeable compressor components;The multiple DC frequency-changing
The gas exhaust piping component of compressor structural components is connected;The suction line component of the multiple DC frequency-changeable compressor component is connected
It is logical.
Parallel compressor unit is formed in parallel by multiple DC frequency-changeable compressors, and each compressor contains a gas-liquid separator,
The exhaust of one gs-oil separator and two unidirectional stop valves, all compressors imports a primary exhaust conduit, all compressors
Air entry be incorporated to a main suction line.Gas-liquid separator is to prevent compressor liquid hammer to separate gas and liquid;Oil gas
Separator is to prevent refrigeration oil to be lost in refrigeration pipeline to separate refrigeration oil and gaseous state refrigerant.Unidirectional stop valve is
In order to prevent refrigerant in the duct adverse current.Parallel compressor unit is according to system loading it needs to be determined that opening one or more compression
Machine, while being also the frequency of single compressor to be adjusted, to achieve the purpose that energy-saving and frequency-variable according to system load needs.
The present invention is in parallel using multiple frequency conversion refrigeration units, and system can be according to processing procedure needs, automatic load and unloading frequency conversion
Unit quantity, while can single frequency converter sets be carried out with frequency adjusting, realization is needed how much to provide how many effects, can effectively be dropped
The first dress power of low equipment, to reduce system operation cost;The present invention utilizes heat recovery technology and photo-thermal effect, can be to system
The heat that the heat and the sun of generation generate is stored, and is reused when needing to heat;Structure of the invention is reasonable, effectively
It economizes on resources, reduces discharge.
One skilled in the art will appreciate that in addition to realizing system provided by the invention in a manner of pure computer readable program code
It, completely can be by the way that method and step be carried out programming in logic come so that the present invention provides and its other than each device, module, unit
System and its each device, module, unit with logic gate, switch, specific integrated circuit, programmable logic controller (PLC) and embedding
Enter the form of the controller that declines etc. to realize identical function.So system provided by the invention and its every device, module, list
Member is considered a kind of hardware component, and to include in it can also for realizing the device of various functions, module, unit
To be considered as the structure in hardware component;It can also will be considered as realizing the device of various functions, module, unit either real
The software module of existing method can be the structure in hardware component again.
Specific embodiments of the present invention are described above.It is to be appreciated that the invention is not limited to above-mentioned
Particular implementation, those skilled in the art can make a variety of changes or modify within the scope of the claims, this not shadow
Ring substantive content of the invention.In the absence of conflict, the feature in embodiments herein and embodiment can any phase
Mutually combination.
Claims (10)
1. a kind of freeze-drying method based on recuperation of heat and photothermal technique characterized by comprising
Cooling fixating shape step: carrying out cooling sizing to material, and the material after acquisition cooling sizing collects qualitative stage heat to guarantor
Reservoir storage;
Dehumidifying step: the material after cooling sizing is placed in freeze-drying chamber, is vacuumized simultaneously to freeze-drying chamber
And dehumidifying, it collects dehumidifying stage heat to insulated water tank and stores;
Defrosting step: it using the heat being stored in insulated water tank, defrosts to freeze-drying chamber.
2. the freeze-drying method according to claim 1 based on recuperation of heat and photothermal technique, which is characterized in that also wrap
It includes:
Refrigeration step: carrying out cooling sizing to material using refrigerant, is dehumidified using refrigerant to dry materials environment.
3. according to the freeze-drying method as claimed in claim 2 based on recuperation of heat and photothermal technique, which is characterized in that refrigeration step
Include:
Two-stage radiation step: using first-class heat exchanger to being radiated in advance, after radiating in advance, it is to refrigeration using secondary heat exchanger
Medium of uniting carries out secondary heat dissipation;
Adjustment frequency converter sets step: it according to the sizing of setting environment temperature/setting dehumidified environment temperature, takes following any
Or appoint a variety of adjustment modes:
Loading and frequency conversion unit quantity;
Unload frequency converter sets quantity;
Frequency adjusting is carried out to single frequency converter sets.
4. according to the freeze-drying method as claimed in claim 3 based on recuperation of heat and photothermal technique, which is characterized in that refrigeration step
Include:
Store heat step: first-class heat exchanger is connected with water tank, is flowed through the refrigerant of first-class heat exchanger and is flowed through first-class heat exchanger
Water carries out heat exchange, the water flow recovery tank after heat exchange and the water mixing in water tank, then flows into first-class heat exchanger heat exchange;
Water energy in the water tank, which enough recycles, flows into first-class heat exchanger and refrigerant heat exchange.
5. according to the freeze-drying method as claimed in claim 3 based on recuperation of heat and photothermal technique, which is characterized in that further include:
Heating stepses: the water in water tank is heated.
6. according to the freeze-drying method as claimed in claim 3 based on recuperation of heat and photothermal technique, which is characterized in that defrosting step
Further include:
Defrosting step afterwards: it after the hutch water device frosting to predetermined extent of system to be dehumidified, is defrosted using hot water.
7. the freeze-drying method according to claim 5 based on recuperation of heat and photothermal technique, which is characterized in that heating step
Suddenly include:
Solar energy heating step: the water in water tank is heated using solar energy heating array.
8. the freeze-drying method according to claim 1 based on recuperation of heat and photothermal technique, which is characterized in that the guarantor
Reservoir includes: inner water tank, lagging casing;
The lagging casing covers inner water tank in whole or in part.
9. the freeze-drying method according to claim 3 based on recuperation of heat and photothermal technique, which is characterized in that described one
Grade heat exchanger includes: the first water outlet mouthpiece component, the first water inlet interface component, first goes out refrigerant mouth component, first into refrigerant mouth
Component, the first aquaporin component, the first refrigerant passage component;
The first aquaporin component is respectively connected with the first water outlet mouthpiece component, the first water inlet interface component;
Refrigerant mouth component, first are respectively connected with the first refrigerant passage component into refrigerant mouth component out with first;
The first aquaporin component and the first refrigerant passage component are able to carry out heat exchange.
10. the freeze-drying method according to claim 8 based on recuperation of heat and photothermal technique, which is characterized in that described
Secondary heat exchanger includes: the second water outlet mouthpiece component, the second water inlet interface component, second goes out refrigerant mouth component, second into refrigerant
Mouth component and the second refrigerant passage component;
The second aquaporin component is respectively connected with the second water outlet mouthpiece component, the second water inlet interface component;
Refrigerant mouth component, second are respectively connected with the second refrigerant passage component into refrigerant mouth component out with second;
The second aquaporin component and the second refrigerant passage component are able to carry out heat exchange;
First, which goes out refrigerant mouth component, is connected with second into refrigerant mouth component.
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Application publication date: 20191115 |