CN106766359B - A kind of refrigerating plant based on heat of solution and industrial waste heat - Google Patents
A kind of refrigerating plant based on heat of solution and industrial waste heat Download PDFInfo
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- CN106766359B CN106766359B CN201611041003.5A CN201611041003A CN106766359B CN 106766359 B CN106766359 B CN 106766359B CN 201611041003 A CN201611041003 A CN 201611041003A CN 106766359 B CN106766359 B CN 106766359B
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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
- Y02A30/274—Relating to heating, ventilation or air conditioning [HVAC] technologies using waste energy, e.g. from internal combustion engine
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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
- Y02B30/625—Absorption based systems combined with heat or power generation [CHP], e.g. trigeneration
Abstract
The invention discloses a kind of, and the refrigerating plant based on heat of solution and industrial waste heat is absorbed heat during its dissolution or concentrated solution are diluted to reach the refrigerating method of refrigeration effect using the solute of dissolving and heat absorbing.Execution unit of the present invention is made of valve and water pump etc., with the mixed i.e. controllable cryogenic temperature of speed of execution unit control mixer water inlet, can be controlled the preset value that is concentrated into of the concentration of refrigerant weak solution simply by the effect of execution unit.Subzero can be reduced the temperature to when the concentrated solution dilution of some refrigerants, refrigerating efficiency is higher.The Nitrates substance such as potassium nitrate, sodium nitrate, no pollution to the environment not strong to equipment corrosion can be used in refrigerant.
Description
Technical field
The present invention relates to a kind of refrigerating methods, concretely relate to a kind of solute using dissolving and heat absorbing, in its dissolution
Or the diluted heat absorption in the process of concentrated solution is to reach the refrigerating method of refrigeration effect.
Background technique
Under energy background increasingly in short supply, the technology freezed using low grade heat energies such as solar energy, industrial waste heats is more next
More it is taken seriously.Absorption type refrigerating, absorption refrigeration can be freezed using low grade heat energy, but there are system control complexity, system
Cryogen corrodes the problems such as equipment and inefficiency.Therefore, need a kind of control simpler, more using low grade heat energy refrigeration
Increase the refrigerating method of effect, environmental protection.
Summary of the invention
The purpose of the present invention is overcoming deficiency in the prior art, a kind of refrigeration based on solute dissolving and heat absorbing is provided
Method, using the solute of a kind of dissolving and heat absorbing as refrigerant, and using low grade heat energy as energy recovery refrigerant.
In order to solve the above-mentioned technical problem, the present invention is achieved through the following technical solutions:
A kind of refrigerating plant based on heat of solution and industrial waste heat, including mixer are provided with heat exchanger in mixer
And temperature sensor, mixer are connect by refrigerant concentrated solution input channel with fluid reservoir one, and condensed water input channel is passed through
It is connect with fluid reservoir two, control execution unit one is provided on refrigerant concentrated solution input channel, is set on condensed water input channel
It is equipped with control execution unit two；
The liquid outlet of mixer connects refrigerant weak solution conveyance conduit, and refrigerant weak solution conveyance conduit is connected to hot friendship
The output end of parallel operation one, heat exchanger one is connected to vacuum flask；Condensate output transistor road, condensed water are connected on heat exchanger one
Output channel is connected to cooling chamber one；
The liquid outlet of vacuum flask is connected to evaporating separation device by pipeline, and execution unit three is provided on the pipeline, steams
It is provided with heat exchanger two and concentration sensor in hair separator, heat exchanger two is connect with industrial waste heat；Evaporation separation dress
The liquid outlet connection refrigerant concentrated solution output channel set, refrigerant concentrated solution output channel are connected to cooling chamber two, refrigerant
Execution unit four is provided on concentrated solution output channel；
Execution unit one, execution unit two, execution unit three, execution unit four, concentration sensor, temperature sensor with
Single-chip computer control system electrical connection.
A kind of refrigerating method based on heat of solution and industrial waste heat, user in single-chip computer control system set temperature value,
Concentration value assigns instruction and opens refrigerating plant；
Single-chip computer control system control execution unit one and execution unit two, respectively will be in fluid reservoir one and fluid reservoir two
Refrigerant concentrated solution and condensed water input mixer freeze, the low temperature generated in mixer is transferred to by heat exchanger
Outside mixer；
Temperature signal is simultaneously transmitted back to single-chip computer control system by temperature in temperature sensor detection mixer, and single-chip microcontroller will
Temperature signal and user's setting value compare, and the excessively high then control execution unit one of temperature and execution unit two accelerate potassium nitrate concentrated solution
With condensed water input speed fast cooling, to reduce temperature；Temperature is too low, and control execution unit one and execution unit two subtract
Slow potassium nitrate concentrated solution and condensed water input speed slow down cooling, so that temperature value be made to reach equal with preset value, mix at this time
Solution in device is potassium nitrate weak solution；
Potassium nitrate weak solution in mixer is entered in heat exchanger one by refrigerant weak solution conveyance conduit, heat exchange
Device one is connect with evaporating separation device, and the vapor in evaporating separation device, which is attached on heat exchanger one, discharges the latent heat of condensation,
It is condensed into condensed water simultaneously, one natural cooling of cooling chamber is entered by the condensate output transistor road being connected on heat exchanger one
To room temperature；Potassium nitrate weak solution is then tentatively heated by vapor, into vacuum flask；
Potassium nitrate weak solution in vacuum flask is sent into evaporating separation device by single-chip computer control system control execution unit three
In, by the potassium nitrate weak solution in two heating evaporation separator of heat exchanger, concentration passes the heat of thermal power station's hot waste water
The concentration of sensor real-time detection potassium nitrate weak solution simultaneously passes concentration signal back to single-chip computer control system, single-chip computer control system pair
Specific concentration signal and user preset concentration value, after concentration signal reaches preset value, control execution unit four separates evaporation
Potassium nitrate concentrated solution afterwards is delivered to two cooled to room temperature of cooling chamber by refrigerant concentrated solution output channel, is then shut off
Control execution unit four opens execution unit three for the potassium nitrate weak solution in vacuum flask and is input to evaporating separation device progress newly
The evaporation separation of one wheel；
Liquid is transported in fluid reservoir two and fluid reservoir one by cooling chamber one, cooling chamber two respectively after the completion of cooling.
The working principle of the invention:
(1) refrigeration principle: heat can be absorbed when potassium nitrate is dissolved in water to cool down, concentrated solution is in dilution
It can absorb heat, can use this characteristic of potassium nitrate and freeze as refrigerant.Weak solution is obtained after dissolution or dilution, it is dilute molten
Liquid can use low grade heat energy evaporation and concentration, thus circularly cooling agent.In addition to potassium nitrate, the chemical substances such as sodium nitrate, urea
Also have the characteristics that similar, different refrigerants can be selected according to actual needs in actual application.
(2) process of refrigerastion: user sets the concentration of cryogenic temperature Yu potassium nitrate concentrated solution, single-chip microcontroller control according to actual needs
System processed controls the execution unit being made of water pump and valve, makes concentrated nitric acid potassium solution and condensed water hybrid refrigeration, and temperature reduces；
Temperature signal is simultaneously returned to single-chip computer control system, single-chip computer control system root by temperature sensor measurement temperature in mixer
It is compared according to the signal passed back and user's setting value, then adjusts water pump and valve again, so that the temperature in mixer reaches
Setting value.According to user's needs, the low temperature that mixer generates can be passed by circulatory systems such as hot channels.
(3) refrigerant circulating process: the potassium nitrate weak solution temperature that mixer generates is lower than room temperature, uses into heat exchanger
In the vapor that condensation evaporation separator concentrate solution generates, and own temperature is increased, to tentatively heat up, efficiently uses
Latent heat of moisture.Weak solution after heating enter vacuum flask heat preservation it is spare, wait the control signal of single-chip computer control system.It steams
It sends out separator and evaporates weak solution using low grade heat energy, generate vapor and concentrate；Vapor enters heat exchanger, utilizes
Above-mentioned dust technology potassium solution condensation, subsequently into condensation water cooling chamber's natural cooling；Concentration sensing in evaporating separation device
The concentration signal of potassium nitrate solution is returned to single-chip computer control system by device, and single-chip computer control system is pre- by this signal and user
If value compares, so as to adjust execution unit, so that the potassium nitrate solution concentration in evaporating separation device reaches preset value, so
Concentrated solution is discharged to potassium nitrate solution cooling chamber natural cooling afterwards, sucking weak solution carries out the concentration of next step.In cooling chamber
After the abundant natural cooling of liquid, it is spare to respectively enter two holding vessels.
Compared with prior art, the beneficial effects of the present invention are:
Execution unit of the present invention is made of valve and water pump etc., is with the mixed speed of execution unit control mixer water inlet
Controllable cryogenic temperature can be controlled the preset value that is concentrated into of the concentration of refrigerant weak solution by the effect of execution unit
Simply.Subzero can be reduced the temperature to when the concentrated solution dilution of some refrigerants, refrigerating efficiency is higher.Nitre can be used in refrigerant
The Nitrates substance such as sour potassium, sodium nitrate, no pollution to the environment not strong to equipment corrosion.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the invention.
Specific embodiment
Present invention is further described in detail with specific implementation method with reference to the accompanying drawing:
Assuming that fluid reservoir contains suitable potassium nitrate concentrated solution and condensed water respectively in the middle using potassium nitrate as refrigerant,
Using thermal power station's hot waste water as heat source.By taking a refrigeration cycle as an example, the refrigeration based on heat of solution and industrial waste heat is filled
It sets and is illustrated.
In conjunction with Fig. 1, user set temperature value, concentration value in single-chip computer control system 13 assign instruction and open refrigeration
Device.13 control execution unit 1 of single-chip computer control system and execution unit 2 15, respectively by fluid reservoir 1 and fluid reservoir
Potassium nitrate concentrated solution and condensed water input mixer 1 in 29 are freezed, and potassium nitrate concentrated solution passes through refrigerant concentrated solution
Input channel 21 enters in mixer 1, and condensed water is entered in mixer 1 by condensed water input channel 20；It is generated in mixer
Low temperature be transferred to outside mixer by heat exchanger 2；
Temperature signal is simultaneously transmitted back to single-chip computer control system 13 by temperature in 11 detection mixer 1 of temperature sensor, single
Piece machine compares temperature signal and user's setting value, and the excessively high then control execution unit 1 of temperature and execution unit 2 15 accelerate nitre
Sour potassium concentrated solution and condensed water input speed fast cooling, to reduce temperature；Too low one 14 He of then control execution unit of temperature
Execution unit 2 15 slows down potassium nitrate concentrated solution and condensed water input speed slows down cooling, so that temperature value be made to reach and preset value
Equal, the solution in mixer is potassium nitrate weak solution at this time；
Potassium nitrate weak solution in mixer 1 is entered in heat exchanger 1 by refrigerant weak solution conveyance conduit 22, heat
Exchanger one is connect with evaporating separation device, and the vapor in evaporating separation device 5, which is attached on heat exchanger 1, discharges condensation
Latent heat, while it being condensed into condensed water, cooling chamber 1 is entered by the condensate output transistor road 18 being connected on heat exchanger one
Cooled to room temperature；Potassium nitrate weak solution is then tentatively heated by vapor, into vacuum flask 6；
Potassium nitrate weak solution in vacuum flask is sent into evaporation separation by 13 control execution unit 3 16 of single-chip computer control system
In device 5, the heat of thermal power station's hot waste water passes through heat exchanger 24, and the potassium nitrate in heating evaporation separator 5 is dilute molten
Liquid, the concentration of 12 real-time detection potassium nitrate weak solution of concentration sensor simultaneously pass concentration signal back to single-chip computer control system 13, list
13 reduced concentration signal of piece machine control system and user preset concentration value, after concentration signal reaches preset value, control is executed
Potassium nitrate concentrated solution after evaporation separation is delivered to cooling chamber 28 certainly by refrigerant concentrated solution output channel 19 by unit 4 17
It is so cooled to room temperature, is then shut off control execution unit 4 17, open execution unit 3 16 potassium nitrate in vacuum flask 6 is dilute molten
Liquid is input to the evaporation separation that evaporating separation device 5 carries out a new round.
Liquid is transported to fluid reservoir 29 and fluid reservoir 1 respectively after the completion of cooling by cooling chamber 1, cooling chamber 28
In.So far, a refrigeration cycle is completed.
Claims (2)
1. a kind of refrigerating plant based on heat of solution and industrial waste heat, which is characterized in that including mixer, be provided in mixer
Heat exchanger and temperature sensor, mixer are connect by refrigerant concentrated solution input channel with fluid reservoir one, and condensed water is passed through
Input channel is connect with fluid reservoir two, and control execution unit one, condensed water input are provided on refrigerant concentrated solution input channel
Control execution unit two is provided on pipeline；
The liquid outlet of mixer connects refrigerant weak solution conveyance conduit, and refrigerant weak solution conveyance conduit is connected to heat exchanger
One, the output end of heat exchanger one is connected to vacuum flask；Condensate output transistor road, condensed water output are connected on heat exchanger one
Pipeline is connected to cooling chamber one；
The liquid outlet of vacuum flask is connected to evaporating separation device by pipeline, and execution unit three, evaporation point are provided on the pipeline
From heat exchanger two and concentration sensor is provided in device, heat exchanger two is connect with industrial waste heat；Evaporating separation device
Liquid outlet connects refrigerant concentrated solution output channel, and refrigerant concentrated solution output channel is connected to cooling chamber two, and refrigerant is dense molten
Execution unit four is provided on liquid output channel；
Execution unit one, execution unit two, execution unit three, execution unit four, concentration sensor, temperature sensor are and monolithic
Machine control system electrical connection.
2. a kind of refrigerating method based on heat of solution and industrial waste heat, which is characterized in that user sets in single-chip computer control system
Determine temperature value, concentration value, assigns instruction and open refrigerating plant；
Single-chip computer control system control execution unit one and execution unit two, respectively by the system in fluid reservoir one and fluid reservoir two
Cryogen concentrated solution and condensed water input mixer freeze, and the low temperature generated in mixer is transferred to mixing by heat exchanger
Outside device；
Temperature signal is simultaneously transmitted back to single-chip computer control system by temperature in temperature sensor detection mixer, and single-chip microcontroller is by temperature
Signal and user's setting value compare, and the excessively high then control execution unit one of temperature and execution unit two accelerate potassium nitrate concentrated solution and cold
Condensate input speed fast cooling, to reduce temperature；Temperature is too low, and control execution unit one and execution unit two slow down nitre
Sour potassium concentrated solution and condensed water input speed slow down cooling, to make temperature value reach equal with preset value, at this time in mixer
Solution be potassium nitrate weak solution；
Potassium nitrate weak solution in mixer is entered in heat exchanger one by refrigerant weak solution conveyance conduit, heat exchanger one
It is connect with evaporating separation device, the vapor in evaporating separation device, which is attached on heat exchanger one, discharges the latent heat of condensation, simultaneously
It is condensed into condensed water, cooling chamber one is entered by the condensate output transistor road being connected on heat exchanger one and naturally cools to room
Temperature；Potassium nitrate weak solution is then tentatively heated by vapor, into vacuum flask；
Potassium nitrate weak solution in vacuum flask is sent into evaporating separation device by single-chip computer control system control execution unit three, fire
For the heat of power station hot waste water by the potassium nitrate weak solution in two heating evaporation separator of heat exchanger, concentration sensor is real
When detection potassium nitrate weak solution concentration and pass concentration signal back to single-chip computer control system, single-chip computer control system reduced concentration
Signal and user preset concentration value, after concentration signal reaches preset value, control execution unit four will evaporate the nitre after separating
Sour potassium concentrated solution is delivered to two cooled to room temperature of cooling chamber by refrigerant concentrated solution output channel, is then shut off control and holds
Row unit four opens execution unit three for the potassium nitrate weak solution in vacuum flask and is input to an evaporating separation device progress new round
Evaporation separation；
Liquid is transported in fluid reservoir two and fluid reservoir one by cooling chamber one, cooling chamber two respectively after the completion of cooling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611041003.5A CN106766359B (en) | 2016-11-22 | 2016-11-22 | A kind of refrigerating plant based on heat of solution and industrial waste heat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611041003.5A CN106766359B (en) | 2016-11-22 | 2016-11-22 | A kind of refrigerating plant based on heat of solution and industrial waste heat |
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| Publication Number | Publication Date |
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| CN106766359A CN106766359A (en) | 2017-05-31 |
| CN106766359B true CN106766359B (en) | 2019-03-19 |
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| CN201611041003.5A Active CN106766359B (en) | 2016-11-22 | 2016-11-22 | A kind of refrigerating plant based on heat of solution and industrial waste heat |
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| CN110303654A (en) * | 2019-05-28 | 2019-10-08 | 泸州市胜科模具制造有限公司 | A kind of Bottle Coating Box pedestal injection mold |
| CN115229214B (en) * | 2022-07-15 | 2024-01-09 | 深圳大学 | Additive manufacturing and remanufacturing environment temperature adjusting device and method |
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| CN2126595Y (en) * | 1992-07-02 | 1993-01-20 | 阎守华 | Household cold wind device |
| CN1453529A (en) * | 2002-04-22 | 2003-11-05 | 童成双 | Dissolving and heat absorbing chemical heat pump |
| CN201497249U (en) * | 2009-09-23 | 2010-06-02 | 刘永强 | Dissolving enthalpy change refrigerating and heating machine |
| CN102287952A (en) * | 2011-06-23 | 2011-12-21 | 江苏河海新能源有限公司 | Dissolving heat absorption type chemical heat pump and heating or refrigerating method thereof |
| CN102455082A (en) * | 2010-10-26 | 2012-05-16 | 谢鹏飞 | Refrigerator for refrigerating with low-grade heat energy and chemical substance dissolving heat |
| US9360242B2 (en) * | 2013-05-17 | 2016-06-07 | Rebound Technologies, Inc. | Methods, systems, and devices for producing a heat pump |
-
2016
- 2016-11-22 CN CN201611041003.5A patent/CN106766359B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2126595Y (en) * | 1992-07-02 | 1993-01-20 | 阎守华 | Household cold wind device |
| CN1453529A (en) * | 2002-04-22 | 2003-11-05 | 童成双 | Dissolving and heat absorbing chemical heat pump |
| CN201497249U (en) * | 2009-09-23 | 2010-06-02 | 刘永强 | Dissolving enthalpy change refrigerating and heating machine |
| CN102455082A (en) * | 2010-10-26 | 2012-05-16 | 谢鹏飞 | Refrigerator for refrigerating with low-grade heat energy and chemical substance dissolving heat |
| CN102287952A (en) * | 2011-06-23 | 2011-12-21 | 江苏河海新能源有限公司 | Dissolving heat absorption type chemical heat pump and heating or refrigerating method thereof |
| US9360242B2 (en) * | 2013-05-17 | 2016-06-07 | Rebound Technologies, Inc. | Methods, systems, and devices for producing a heat pump |
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| CN106766359A (en) | 2017-05-31 |
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