CN208504873U - With the freeze dryer system of building conjunctive use solar energy absorption type refrigeration - Google Patents
With the freeze dryer system of building conjunctive use solar energy absorption type refrigeration Download PDFInfo
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- CN208504873U CN208504873U CN201820953928.5U CN201820953928U CN208504873U CN 208504873 U CN208504873 U CN 208504873U CN 201820953928 U CN201820953928 U CN 201820953928U CN 208504873 U CN208504873 U CN 208504873U
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- freeze dryer
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- absorption type
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/27—Relating to heating, ventilation or air conditioning [HVAC] technologies
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/62—Absorption based systems
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- Sorption Type Refrigeration Machines (AREA)
Abstract
The utility model relates to a kind of freeze dryer systems with building conjunctive use solar energy absorption type refrigeration, the system is by adding the heat exchange unit being made of components such as afterheat heat exchanger, building air conditioning heat exchangers, heat exchange unit is connected with the cold-trap coil pipe of freeze dryer unit, substitute the original refrigeration system of freeze dryer unit, institute's chilling requirement is provided for freeze dryer unit, and be connected with the water collector of building air conditioning unit and water segregator, the extra cooling capacity come out from freeze dryer unit is used for the refrigeration of building air conditioning unit.Compared with prior art, the utility model carries out reducing energy consumption to freeze dryer unit using solar energy absorption type refrigeration, and meets the refrigeration requirement of building simultaneously, is saved greatly the energy, reasonable in design, easy to use.
Description
Technical field
The utility model relates to freeze dryer technology fields, more particularly, to a kind of and building conjunctive use solar absorption
The freeze dryer system of refrigeration.
Background technique
Wet stock or solution are exactly frozen into solid-state by the process characteristic of vacuum freeze drying at a lower temperature, then
So that moisture therein is directly sublimed into gaseous state without liquid under vacuum, and finally makes material dewatering dry, the gaseous state of distillation
Moisture is sublimated again by cold-trap coil pipe and is removed for ice.This feature determines: freeze dryer is to freeze material and gas of sublimating
State water need to provide endlessly cooling capacity to drying box and cold-trap by refrigeration system.Therefore, refrigeration system is that freeze dryer is most heavy
The component part wanted, referred to as " heart of freeze dryer ", but it is also the maximum system that consumes energy in each system of freeze dryer.Freeze-drying
The excessive energy consumption of machine cooling system causes the excessively high serious waste with the energy of freeze-drying cost of freeze dryer.
Currently, the refrigeration system in domestic and international common freeze dryer, is all theoretically by refrigeration compressor, condenser, steaming
Hair device and the compression-type refrigerating system that is constituted of heating power expansion valve, energy resource supply is mostly based on conventional energy resource, energy consumption
Amount is big, and utilization rate is lower.And solar absorption refrigeration system, using renewable energy solar energy as main supply energy
Source can greatly reduce the consumption of conventional energy resource.Solar absorption refrigeration system is applied to the air conditioner refrigerating of building mostly at present,
And gradually it is applied to industrial refrigeration field, wide market.
The operation workshop of vacuum freeze drying is generally required using the higher air-conditioning system of cleanliness, is produced with ensuring to be lyophilized
The quality of product.And such air-conditioning system is to meet the temperature and purity requirements in workshop, need to consume a large amount of energy.Freeze dryer exists
In the freezing dry process of workshop, freeze dryer and workshop respectively have a set of refrigeration system, and independent operating, lead to energy utilization rate
Low, waste is seriously.
Summary of the invention
The purpose of this utility model is exactly to provide a kind of and building in order to overcome the problems of the above-mentioned prior art and join
Close the freeze dryer system for using solar energy absorption type refrigeration.The system can not only expire while meeting freeze dryer refrigeration requirement
The refrigeration requirement of foot freeze-drying workshop, moreover it is possible to greatly reduce the consumption of conventional energy resource, reduce freeze-drying cost.
The purpose of this utility model can be achieved through the following technical solutions:
A kind of freeze dryer system with building conjunctive use solar energy absorption type refrigeration, comprising:
Freeze dryer unit has cold-trap and drying box, is equipped with cold-trap coil pipe in cold-trap,
Ammonia absorption type refrigeration unit has generator, absorber and evaporator,
Solar thermal unit, including solar thermal collector, heat collection water tank and it is connected to solar thermal collector and thermal-arrest
Solar energy heating circulation line between water tank, and solar thermal unit is equipped with electric heater,
Heat exchange unit, including afterheat heat exchanger and building air conditioning heat exchanger,
Building air conditioning unit has water collector and water segregator；
The heat collection water tank is connect by heat cycles pipeline with generator, is ammonia absorption type refrigeration unit by heat exchange
Heat is provided；The evaporator is connect by refrigerating medium circulation line with cold-trap coil pipe, and is cold-trap and drying by heat exchange
Case provides cooling capacity, and along flow direction of medium, the cold side of air-conditioning heat exchanger is connected to from cold-trap coil pipe to the refrigerating between evaporator
On agent circulation line, the hot side of air-conditioning heat exchanger is connect with water collector and water segregator, and the cold side of afterheat heat exchanger is connected to cold-trap
On refrigerating medium circulation line between coil pipe and air-conditioning heat exchanger, the hot side of afterheat heat exchanger by waste heat heat exchange cycle pipeline with
Absorber connection, to carry out heat exchange.
Preferably, the solar energy heating circulation line, which is equipped with, collects hot recycle pump, on the heat cycles pipeline
It is pumped equipped with heat cycles.
Preferably, the electric heater is set in heat collection water tank.
Preferably, the ammonia absorption type refrigeration unit is twin-stage ammonia absorption type refrigeration unit, the ammonia absorption type system
Generator, absorber and the evaporator of cold unit all include corresponding twin-stage component.
Preferably, it along flow direction of medium, is equipped with from evaporator to the refrigerating medium circulation line between cold-trap coil pipe cold
Trap pump.
Preferably, the refrigerating medium circulation line between the afterheat heat exchanger and air-conditioning heat exchanger is equipped with refrigeration cycle
Pump.
Preferably, the waste heat heat exchange cycle pipeline is pumped equipped with waste heat.
It is above-mentioned as follows with the operation method of the freeze dryer system of building conjunctive use solar energy absorption type refrigeration:
Before freeze dryer unit starts running, start solar thermal unit, by circulating-heating by solar energy heating
Cold water in unit is heated to requiring temperature；
When freeze dryer unit brings into operation, generator is heated by solar thermal unit, is ammonia absorption type
Refrigeration unit provides heat, and driving ammonia absorption type refrigeration unit freezes, and refrigerating medium is in refrigerating medium circulation line by steaming
Hair device is cooled down, and cooling capacity is delivered to cold-trap coil pipe and is discharged, cooling capacity needed for providing work for cold-trap and drying box:
When the refrigeration that temperature meets building air conditioning unit after refrigerating medium released cold quantity requires, waste heat heat exchange cycle pipeline, refrigerating are closed
Agent is directly over air-conditioning heat exchanger and building air conditioning unit exchanges heat, and is back to cold-trap coil pipe after evaporator is cooling and carries out down
One circulation；When supercooling is not used to the refrigeration of building air conditioning unit after refrigerating medium released cold quantity, waste heat heat exchange cycle is opened
Pipeline, the heat transferring medium by absorber heating exchange heat in afterheat heat exchanger with the refrigerating medium of supercooling, so that refrigerating medium is heated up, rise
Refrigerating medium after temperature exchanges heat by air-conditioning heat exchanger and building air conditioning unit, and is back to cold-trap coil pipe after evaporator is cooling
Carry out next circulation.
Preferably, when the cold water in solar thermal unit can not be heated to by solar thermal unit by circulating-heating
It is required that carrying out auxiliary heating by opening the electric heater being set in solar thermal unit when temperature.
Compared with prior art, the system of the utility model effectively can not only provide enough cooling capacity for freeze dryer,
And the extra cooling capacity of freeze dryer can also be used for the clean air conditioner refrigeration of itself workshop, to the cascade utilization of cooling capacity, allow the energy
Service efficiency it is higher.And the main energy sources of whole system are solar energy, this cleaning of solar energy and renewable energy
Utilization not only greatly reduce the operating cost of freeze dryer, also reduce the use of conventional energy resource, environmental protection also functioned to
Positive effect.The utility model has carried out step to the cooling capacity that solar energy is produced and has fully utilized, reasonable in design,
It is easy to use.
Detailed description of the invention
Fig. 1 is the connection schematic diagram of the utility model.
In figure, 1 is heat collection water tank, and 2 be collection hot recycle pump, and 3 be solar thermal collector, and 4 be electric heater, and 5 follow for heating
Ring pump, 6 be absorber, and 7 be ammonia absorption type refrigeration unit, and 8 be generator, and 9 be evaporator, and 10 pump for cold-trap, and 11 be cold-trap, 12
It is drying box for cold-trap coil pipe, 13,14 pump for waste heat, and 15 be afterheat heat exchanger, and 16 pump for refrigeration cycle, and 17 change for building air conditioning
Hot device, 18 be water collector, and 19 be water segregator.
Specific embodiment
The utility model is described in detail in the following with reference to the drawings and specific embodiments.
Embodiment 1
A kind of freeze dryer system with building conjunctive use solar energy absorption type refrigeration, as shown in Figure 1, including freeze dryer list
Member, ammonia absorption type refrigeration unit 7, solar thermal unit, heat exchange unit and building air conditioning unit, freeze dryer unit have cold-trap
11 and drying box 13, cold-trap coil pipe 12 is equipped in cold-trap 11, and ammonia absorption type refrigeration unit 7 has generator 8, absorber 6 and steams
Device 9 is sent out, heat exchange unit includes afterheat heat exchanger 15 and building air conditioning heat exchanger 17, and building air conditioning unit has water collector 18 and divides
Hydrophone 19；
Solar thermal unit is connect with generator 8, is that ammonia absorption type refrigeration unit 7 provides heat by heat exchange；Evaporation
Device 9 is connect by refrigerating medium circulation line with cold-trap coil pipe 12, and is that cold-trap 11 and drying box 13 provide cooling capacity, edge by heat exchange
Flow direction of medium, the cold side of air-conditioning heat exchanger 17 are connected to from cold-trap coil pipe 12 to the refrigerating medium circulation pipe between evaporator 9
On the road, the hot side of air-conditioning heat exchanger 17 is connect with water collector 18 and water segregator 19, and the cold side of afterheat heat exchanger 15 is connected to cold-trap
On refrigerating medium circulation line between coil pipe 12 and air-conditioning heat exchanger 17, the hot side of afterheat heat exchanger 15 passes through waste heat heat exchange cycle
Pipeline is connect with absorber 6, to carry out heat exchange.
Further, in the present embodiment, along flow direction of medium, from evaporator 9 to the refrigerating between cold-trap coil pipe 12
Agent circulation line is equipped with cold-trap pump 10.Refrigerating medium circulation line between afterheat heat exchanger 15 and air-conditioning heat exchanger 17 is equipped with
Refrigeration cycle pump 16.Waste heat heat exchange cycle pipeline is equipped with waste heat pump 14.By the open and close of control pump, pipeline is realized
On-off.
Specifically, the solar thermal unit in the present embodiment includes solar thermal collector 3, heat collection water tank 1 and connection
Solar energy heating circulation line between solar thermal collector 3 and heat collection water tank 1, heat collection water tank 1 pass through heat cycles pipeline
It is connect with generator 8, is that ammonia absorption type refrigeration unit 7 provides heat by heat exchange.Solar energy heating circulation line is equipped with collection
Hot recycle pump 2, heat cycles pipeline are equipped with heat cycles pump 5.Further, electric heater 4 is equipped in heat collection water tank 1.?
When water in heat collection water tank 1 cannot be heated to requiring temperature such as rainy days by solar thermal unit, starting electric heater 4 is auxiliary
Help heating.
Ammonia absorption type refrigeration unit in the present embodiment using prior art routine ammonia absorption refrigerator, it is each
The connection method of a component and operation logic are common sense well known to those of ordinary skill in the art.The prior art
The General Principle of ammonia absorption refrigeration is: ammonia absorption refrigerator is the device that cooling capacity is obtained to consume thermal energy.It is made with ammonia
For refrigerant, the refrigerating plant of solution recycle system is constituted using water as absorbent.The device by generator, rectifying column, condenser,
The components such as subcooler, evaporator, absorber, aqua ammonia pump, throttle valve composition.Concentrated ammonia solution enters rectifying column, by low-temperature heat source
It drives, the gas ammonia, ammonium hydroxide in generator out are by concentrate, and the ammonia steam that tower top isolates certain flow enters in condenser, gas
Ammonia is cooled within the condenser, and condenses into liquefied ammonia；Liquefied ammonia is subcooled in subcooler, and supercooling liquefied ammonia is sent to the device of chilling requirement,
Through reducing pressure by regulating flow, cold effect is generated, achievees the effect that refrigeration in evaporator interior suction thermal evaporation into evaporator.Liquefied ammonia becomes gas
Ammonia is sent into absorber；It is absorbed in addition, the weak aqua ammonia come out from generator enters after solution heat exchanger, then reducing pressure by regulating flow
Device absorbs the gas ammonia for carrying out flash-pot, and the concentrated solution that absorption process generates is pressurizeed by aqua ammonia pump, after heat exchanger heat absorption heating,
Reenter generator, such circularly cooling.Ammonia absorption type refrigeration unit 7 in the present embodiment is preferably twin-stage ammonia absorption type system
Cold unit, generator 8, absorber 6 and the evaporator 9 of ammonia absorption type refrigeration unit 7 all include corresponding twin-stage component.
Freeze dryer of the freeze dryer unit using prior art routine in the present embodiment, the connection side of all parts
Method and operation logic are common sense well known to those of ordinary skill in the art, are equipped in the cold-trap 11 in freeze dryer cold
Trap coil pipe 12, cold-trap 11 are connected with drying box 13.
It is above-mentioned as follows with the operation method of the freeze dryer system of building conjunctive use solar energy absorption type refrigeration:
Before freeze dryer unit starts running, start solar thermal unit, by circulating-heating by solar energy heating
Cold water in unit is heated to requiring temperature；
When freeze dryer unit brings into operation, generator 8 is heated by solar thermal unit, is ammonia absorption type
Refrigeration unit 7 provides heat, and driving ammonia absorption type refrigeration unit 7 freezes, and refrigerating medium passes through in refrigerating medium circulation line
Evaporator 9 is cooled down, and cooling capacity is delivered to cold-trap coil pipe 12 and is discharged, and provides work institute for cold-trap 11 and drying box 13
The cooling capacity needed: when the refrigeration that temperature meets building air conditioning unit after refrigerating medium released cold quantity requires, waste heat heat exchange cycle is closed
Pipeline, refrigerating medium are directly over air-conditioning heat exchanger 17 and building air conditioning unit and exchange heat, and are back to after evaporator 9 is cooling cold
Trap coil pipe 12 carries out next circulation；When supercooling is not used to the refrigeration of building air conditioning unit after refrigerating medium released cold quantity, beat
Waste heat heat exchange cycle pipeline is opened, is changed in afterheat heat exchanger 15 with the refrigerating medium of supercooling by the heat transferring medium that absorber 6 heats
Heat makes refrigerating medium heat up, and the refrigerating medium after heating exchanges heat by air-conditioning heat exchanger 17 and building air conditioning unit, and passes through evaporator
Cold-trap coil pipe 12, which is back to, after 9 coolings carries out next circulation.
When the cold water in solar thermal unit can not be heated to requiring temperature by circulating-heating by solar thermal unit
When spending, auxiliary heating is carried out by opening the electric heater 4 being set in solar thermal unit.
Specifically:
Before freeze dryer unit starts running, collection hot recycle pump 2 is opened, the cold water in heat collection water tank 1 is pumped into the sun
In energy heat collector 3, heat collection water tank 1 is flowed back to after the heating of solar thermal collector 3, completes a heat cycles, heat cycles are continuous
It constantly carries out, is heated to the water in heat collection water tank 1 to require temperature；When freeze dryer brings into operation, heat cycles pump 5 is opened,
Hot water in heat collection water tank 1 flows into the generator 8 in ammonia absorption type refrigeration unit 7, then heated 5 blowback of circulating pump to thermal-arrest
Water tank 1 to heat to generator 8, and then drives ammonia absorption refrigerator 7 to freeze, and cold-trap pump 10 will be through evaporating
The cooling refrigerating medium of device 9 is pumped into cold-trap coil pipe 12, is freezed to cold-trap 11 and drying box 13, to cold-trap 11 and drying box 13
Refrigerating medium after released cold quantity flows through afterheat heat exchanger 15, when the refrigerating medium supercooling flowed out from freeze dryer unit can not apply to
When air conditioner refrigerating, waste heat pump 14 is opened, the cooling water after the heating of absorber 6 is pumped into afterheat heat exchanger 15, it is heated
Cooling water exchange heat in afterheat heat exchanger 15 with the refrigerating medium of supercooling, so that refrigerant temperature is reached air conditioner refrigerating requirement,
Satisfactory refrigerating medium is pumped to air-conditioning heat exchanger 17 through refrigeration cycle pump 16, and refrigerating medium is in air-conditioning heat exchanger 17, to next
It is cooled down from the chilled water of water collector 18, the refrigerating medium after heating flows back into evaporator 9 and recycled next time, by refrigerating medium
Chilled water after cooling flows back into building air conditioning cell end through water segregator 19, freezes to building.
When the refrigerant temperature flowed out from freeze dryer unit meets air conditioner refrigerating temperature, then 14 pairs are pumped without opening waste heat
Refrigerating medium is heated, and refrigerating medium is directly pumped in air-conditioning heat exchanger 17 by refrigeration cycle pump 16.
When generator 8 needs to heat, and solar thermal collector 3 cannot will be in heat collection water tank 1 because of weather or failure and other reasons
Water when being heated to requiring temperature, opening electric heater 4 carries out auxiliary heating.
Technical solution described in the utility model is suitble to use in any freeze dryer, and particularly suitable large-scale freeze dryer makes
With.Meanwhile technical solution described in the utility model not only can be with stand-alone application, it also simultaneously can the public a set of system of more freeze dryers
Cooling system forms refrigeration plant Application of composite.
According to the utility model, in addition to that can be widely applied in the production of freeze dryer, can also to existing freeze dryer into
Row technological transformation, to achieve the purpose that energy efficiency.
The above-mentioned description to embodiment is for ease of ordinary skill in the art to understand and use the invention.It is ripe
The personnel for knowing art technology obviously easily can make various modifications to these embodiments, and general original described herein
It ought to use in other embodiments without having to go through creative labor.Therefore, the utility model is not limited to the above embodiments, this
Field technical staff announcement according to the present utility model, does not depart from improvement that the utility model scope is made and modification all should
It is within the protection scope of the utility model.
Claims (7)
1. a kind of freeze dryer system with building conjunctive use solar energy absorption type refrigeration characterized by comprising
Freeze dryer unit has cold-trap (11) and drying box (13), is equipped with cold-trap coil pipe (12) in cold-trap (11),
Ammonia absorption type refrigeration unit (7) has generator (8), absorber (6) and evaporator (9),
Solar thermal unit, including solar thermal collector (3), heat collection water tank (1) and be connected to solar thermal collector (3) and
Solar energy heating circulation line between heat collection water tank (1), and solar thermal unit is equipped with electric heater (4),
Heat exchange unit, including afterheat heat exchanger (15) and building air conditioning heat exchanger (17),
Building air conditioning unit has water collector (18) and water segregator (19)；
The heat collection water tank (1) is connect by heat cycles pipeline with generator (8), is that ammonia absorption type refrigeration is single by heat exchange
First (7) provide heat；The evaporator (9) is connect by refrigerating medium circulation line with cold-trap coil pipe (12), and passes through heat exchange
Cooling capacity is provided for cold-trap (11) and drying box (13), along flow direction of medium, the cold side of air-conditioning heat exchanger (17) is connected to from cold
On trap coil pipe (12) to the refrigerating medium circulation line between evaporator (9), the hot side of air-conditioning heat exchanger (17) and water collector (18)
It is connected with water segregator (19), the cold side of afterheat heat exchanger (15) is connected between cold-trap coil pipe (12) and air-conditioning heat exchanger (17)
On refrigerating medium circulation line, the hot side of afterheat heat exchanger (15) is connect by waste heat heat exchange cycle pipeline with absorber (6), to
Carry out heat exchange.
2. the freeze dryer system according to claim 1 with building conjunctive use solar energy absorption type refrigeration, feature exist
In the solar energy heating circulation line is equipped with collection hot recycle pump (2), and the heat cycles pipeline is equipped with heating and follows
Ring pumps (5).
3. the freeze dryer system according to claim 1 with building conjunctive use solar energy absorption type refrigeration, feature exist
In the electric heater (4) is set in heat collection water tank (1).
4. the freeze dryer system according to claim 1 with building conjunctive use solar energy absorption type refrigeration, feature exist
In the ammonia absorption type refrigeration unit (7) is twin-stage ammonia absorption type refrigeration unit.
5. the freeze dryer system according to claim 1 with building conjunctive use solar energy absorption type refrigeration, feature exist
In along flow direction of medium, from evaporator (9) to the refrigerating medium circulation line between cold-trap coil pipe (12) equipped with cold-trap pump
(10)。
6. the freeze dryer system according to claim 1 with building conjunctive use solar energy absorption type refrigeration, feature exist
In the refrigerating medium circulation line between the afterheat heat exchanger (15) and air-conditioning heat exchanger (17) is pumped equipped with refrigeration cycle
(16)。
7. the freeze dryer system according to claim 1 with building conjunctive use solar energy absorption type refrigeration, feature exist
In the waste heat heat exchange cycle pipeline is equipped with waste heat pump (14).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201820953928.5U CN208504873U (en) | 2018-06-15 | 2018-06-15 | With the freeze dryer system of building conjunctive use solar energy absorption type refrigeration |
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| CN201820953928.5U CN208504873U (en) | 2018-06-15 | 2018-06-15 | With the freeze dryer system of building conjunctive use solar energy absorption type refrigeration |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108981293A (en) * | 2018-06-15 | 2018-12-11 | 上海工程技术大学 | Joint building uses the freeze dryer system and operation method of solar energy absorption type refrigeration |
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2018
- 2018-06-15 CN CN201820953928.5U patent/CN208504873U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108981293A (en) * | 2018-06-15 | 2018-12-11 | 上海工程技术大学 | Joint building uses the freeze dryer system and operation method of solar energy absorption type refrigeration |
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