CN103168833A - Energy-saving multifunctional fruit and vegetable temperature activation processing device - Google Patents
Energy-saving multifunctional fruit and vegetable temperature activation processing device Download PDFInfo
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- CN103168833A CN103168833A CN2013101116354A CN201310111635A CN103168833A CN 103168833 A CN103168833 A CN 103168833A CN 2013101116354 A CN2013101116354 A CN 2013101116354A CN 201310111635 A CN201310111635 A CN 201310111635A CN 103168833 A CN103168833 A CN 103168833A
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- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
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- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/90—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in food processing or handling, e.g. food conservation
- Y02A40/963—Off-grid food refrigeration
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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
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- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
- Y02P60/80—Food processing, e.g. use of renewable energies or variable speed drives in handling, conveying or stacking
- Y02P60/85—Food storage or conservation, e.g. cooling or drying
Abstract
The invention discloses an energy-saving multifunctional fruit and vegetable temperature activation processing device, which comprises a heat pump system, a secondary refrigerant system and a fruit and vegetable processing system, wherein the heat pump system is composed of a compressor, a four-way reversing valve, a heat exchanger, a throttling device, a first three-way valve, a first plate type heat exchanger, a second plate type heat exchanger and a second three-way valve; the secondary refrigerant system is composed of a first circulating pump, the second plate type heat exchanger and a third plate type heat exchanger; and the fruit and vegetable processing system is composed of the first plate type heat exchanger, the third plate type heat exchanger, a third three-way valve, a super-cooling releaser, a fruit and vegetable processing device, a filter, a second circulating pump and a fourth three-way valve. The energy-saving multifunctional fruit and vegetable temperature activation processing device disclosed by the invention is capable of operating in three modes, realizing three functions comprising the thermal activation processing function, the cold activation processing function through cold water and the cold activation processing function through ice slurry of fruits and vegetables, effectively reducing equipment investment, increasing the heat exchange efficiency, and reducing the integral energy consumption of the system.
Description
Technical field
The invention belongs to the preserving fruit and vegetable utilizing preconditioning technique, more specifically, relate to a kind of device that utilizes heat pump principle to realize fruits and vegetables are carried out varying strength cold shock processing and heat shock processing.
Background technology
Fresh fruit of vegetables is healthy most important to people, yet its seasonality and typical regional characters make China's postharvest fruit and vegetable loss serious.To the postharvest technology of fruits and vegetables pay attention to day by day, the fruits and vegetables temperature intensifies processing (comprising cold shock processing and heat shock processing) and day by day receives publicity along with people.At present, cold shock is processed mainly take mixture of ice and water as treatment media, realizes by manually mixing by a certain percentage ice cube and cold water, operates comparatively loaded down with trivial details.In addition, the shared bulk specific gravity of mixture of ice and water medium floe is larger, has reduced effective use volume of fruits and vegetables treating apparatus, and the large fruit and vegetable surfaces that easily scratches of ice cube, causes and rots, economic loss.Heat shock is processed and is mainly realized by electric-heating water, expends a large amount of high-grade energies.At present, the fruits and vegetables temperature intensifies processes the rare report of relevant device, therefore designs a kind of energy-conservation and fruits and vegetables temperature that have cold and hot sharp processing capacity concurrently and intensifies treating apparatus, significant for the preservation effect that improves agricultural products in China.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, provide a kind of based on heat pump techniques, the energy-saving multifunction fruits and vegetables temperature that can realize cold shock processing and heat shock processing capacity intensifies treating apparatus, to solve the problem that lacks the multi-functional isolated plant of efficient energy-saving in China's fruits and vegetables preprocessing process, promote the fruits and vegetables temperature to intensify research and the application of processing.
Technical purpose of the present invention is achieved by following technical proposals:
Energy-saving multifunction fruits and vegetables temperature intensifies treating apparatus, comprises the heat pump that is comprised of compressor 2, four-way change-over valve 1, heat exchanger 3, throttling arrangement 4, the first triple valve 5, the first plate type heat exchanger 6, the second plate type heat exchanger 8 and the second triple valve 7; The refrigerating medium system that is formed by the first circulating pump 11, the second plate type heat exchanger 8 and three-plate type heat exchanger 10; By the first plate type heat exchanger 6, three-plate type heat exchanger 10, the 3rd triple valve 9, cross the fruits and vegetables treatment system that cold remover 13, fruits and vegetables treating apparatus 16, filter 15, the second circulating pump 14 and the 4th triple valve 12 form.The syndeton of system is: heat pump respectively by the first plate type heat exchanger 6 be connected plate type heat exchanger 8 and fruits and vegetables treatment system and be connected with the refrigerating medium system.The refrigerating medium system is connected with the fruits and vegetables treatment system by three-plate type heat exchanger 10.
Wherein said First Heat Exchanger 6, the second heat exchanger 8 and the 3rd heat exchanger 10 select two to advance the heat exchanger of scene 2 formula, so that form above-mentioned three treatment systems; The cold remover 13 of described mistake is used for subcooled water is prepared into ice slurry (i.e. 0 ℃ of mixture of ice and water).What circulate in heat pump is that general refrigerant gets final product, and what circulate in the refrigerating medium system is ethylene glycol, and what circulate in the fruits and vegetables treatment system is water.
In heat pump, the air inlet of compressor 2 is connected with four-way change-over valve 1 with exhaust outlet; One end of heat exchanger 3 is connected with four-way change-over valve 1, and the other end is connected with the second triple valve 7 by throttling arrangement 4; Four-way change-over valve 1 is connected with the first triple valve 5; The first triple valve 5 is connected with First Heat Exchanger 6, the second heat exchanger 8 respectively, and the second triple valve 7 is connected with First Heat Exchanger 6, the second heat exchanger 8 respectively.
In the refrigerating medium system, one group of import and export of the second plate type heat exchanger 8 are connected with one group of import and export of three-plate type heat exchanger 10, and the first circulating pump 11 is set in pipeline, one group of import and export of the first plate type heat exchanger 6 simultaneously are connected with the 4th triple valve 12 with the 3rd triple valve 9 respectively, and are connected with another group import and export of three-plate type heat exchanger 10 by above-mentioned two triple valves.
In the fruits and vegetables treatment system, an end of three-plate type heat exchanger 10 is connected with the cold remover 13 of mistake by the 3rd triple valve 9, and the other end is connected with the second circulating pump 14 by the 4th triple valve 12; Crossing cold remover 13 is connected with fruits and vegetables treating apparatus 16 by pipeline, be provided with the filter 15 that is connected with the second circulating pump 14 by pipeline in fruits and vegetables treating apparatus 16, be used for filtering the nucleation material of ice crystal and ice slurry, to avoid it on the impact of three-plate type heat exchanger.For further guaranteeing the filtration of the nucleation material in ice crystal and ice slurry, can be chosen in the pipeline between the second circulating pump 14 and the 4th triple valve 12 filter is set again, be used for filtering the nucleation material of ice crystal and ice slurry, to avoid it on the impact of three-plate type heat exchanger.
in technical scheme of the present invention owing to adopting four-way change-over valve, two advance scene 2 formula plate type heat exchanger and triple valve, conversion by four-way change-over valve and triple valve, realize the heat shock tupe, cold water cold shock tupe and the operation of ice slurry cold shock tupe: change the pipeline connection status by the first triple valve 5 and the second triple valve 7, realize two kinds of pipeline circulations: (1) compressor 2-four-way change-over valve 1-heat exchanger 3-throttling arrangement 4-the second triple valve 7-the first plate type heat exchanger 6-the first triple valve 5-four-way change-over valve 1-compressor 2, the 3rd triple valve 9 and the 4th triple valve 12 are set simultaneously, the fruits and vegetables treatment system is communicated with the first plate type heat exchanger 6, water in fruits and vegetables treating apparatus 16 is process filter 15 under the effect of the second circulating pump 14, the second circulating pump 14, the 4th triple valve 12 is sent into the first plate type heat exchanger 6 and is heated to temperature required, flow into 16 pairs of fruits and vegetables of fruits and vegetables treating apparatus through the 3rd triple valve 9 with excessively cold remover 13 and carry out the heat shock processing, crossing cold remover 8 in this process is failure to actuate, the heat exchange that realizes cold-producing medium and water is directly heated or is cooling, (2) compressor 2-four-way change-over valve 1-heat exchanger 3-throttling arrangement 4-the second triple valve 7-the second plate type heat exchanger 8-the first triple valve 5-four-way change-over valve 1-compressor 2, refrigerating medium is under the effect of the first circulating pump 11 simultaneously, flow into three-plate type heat exchanger 10 after the second plate type heat exchanger 8 is cooling, the 3rd triple valve 9 and the 4th triple valve 12 are set, make that in the fruits and vegetables treatment system, three-plate type heat exchanger 10 is in connected state, water in fruits and vegetables treating apparatus 16 is process filter 15 under the effect of the second circulating pump 14, the second circulating pump 14, the 4th triple valve 12 is sent into three-plate type heat exchanger 10 and is cooled to supercooled state, flow through and destroy the supercooled state of water through cold remover 13 after the 3rd triple valve 9 and produce ice slurry (i.e. 0 ℃ of mixture of ice and water) and flow into 16 pairs of fruits and vegetables of fruits and vegetables treating apparatus and ice slurry cold shock processing.
Take two-plate heat exchanger (First Heat Exchanger 6 and the second heat exchanger 8) as evaporimeter or condenser, thus direct cooling or heating water, or by another shared plate type heat exchanger (the 3rd heat exchanger 10), cold is passed to the processing water after cooling refrigerating medium.During refrigerating operaton, will be water-cooled to low temperature or supercooled state in the fruits and vegetables treatment system, obtain low-temperature cold water or mixture of ice and water after passing through cold remover effect, carry out cold shock and process.During heating operation, the water in the fruits and vegetables treatment system is heated to temperature required, carries out heat shock and process.Because the employing heat pump provides cold and heat, and comprise two plate type heat exchangers in heat pump, and utilized cold process preparing ice aqueous mixtures, the effect of bringing is:
(1) device can three kinds of mode operations, can realize that fruits and vegetables heat shock processing, the cold shock processing of fruits and vegetables cold water and the cold shock of fruits and vegetables ice slurry process three functions, effectively reduce equipment investment.
(2) by the switching use of two plate type heat exchangers of heat pump and the setting of four triple valves, can make the directly cooling (low temperature more than 0 ℃ of device, for example 1-5 ℃) or heating fruits and vegetables pretreatment water, significantly improved the device heat exchange efficiency, reduced the entire system energy consumption.
When (3) adopting the cold process preparing ice slurry to be used for fruits and vegetables cold shock processing, first process water near 0 ℃ by the direct cooling fruits and vegetables of heat pump plate type heat exchanger, switch to again the refrigerating medium system and continue to be cooled to the supercooled state preparing ice slurry, effectively improved processing water rate of temperature fall.
Description of drawings
Fig. 1 is system architecture of the present invention and heat shock operational mode schematic diagram.
Fig. 2 is system architecture of the present invention and cold water cold shock operational mode schematic diagram.
Fig. 3 is system architecture of the present invention and ice slurry cold shock operational mode schematic diagram.
Wherein 1 is four-way change-over valve, and 2 is compressor, and 3 is heat exchanger, 4 is throttling arrangement, and 5 is the first triple valve, and 6 is the first plate type heat exchanger, 7 is the second triple valve, and 8 is the second plate type heat exchanger, and 9 is the 3rd triple valve, 10 is the three-plate type heat exchanger, and 11 is the first circulating pump, and 12 is the 4th triple valve, 13 was cold remover, 14 is the second circulating pump, and 15 is filter, and 16 is the fruits and vegetables treating apparatus.
The specific embodiment
Further illustrate technical scheme of the present invention below in conjunction with the drawings and specific embodiments.
Energy-saving multifunction fruits and vegetables temperature intensifies treating apparatus, comprises the heat pump that is comprised of compressor 2, four-way change-over valve 1, heat exchanger 3, throttling arrangement 4, the first triple valve 5, the first plate type heat exchanger 6, the second plate type heat exchanger 8 and the second triple valve 7; The refrigerating medium system that is formed by the first circulating pump 11, the second plate type heat exchanger 8 and three-plate type heat exchanger 10; By the first plate type heat exchanger 6, three-plate type heat exchanger 10, the 3rd triple valve 9, cross the fruits and vegetables treatment system that cold remover 13, fruits and vegetables treating apparatus 16, filter 15, the second circulating pump 14 and the 4th triple valve 12 form.The syndeton of system is: heat pump respectively by the first plate type heat exchanger 6 be connected plate type heat exchanger 8 and fruits and vegetables treatment system and be connected with the refrigerating medium system.The refrigerating medium system is connected with the fruits and vegetables treatment system by three-plate type heat exchanger 10.
Wherein said First Heat Exchanger 6, the second heat exchanger 8 and the 3rd heat exchanger 10 select two to advance the heat exchanger of scene 2 formula, so that form above-mentioned three treatment systems; The cold remover 13 of described mistake is used for subcooled water is prepared into ice slurry (i.e. 0 ℃ of mixture of ice and water).What circulate in heat pump is that general refrigerant gets final product, and what circulate in the refrigerating medium system is ethylene glycol, and what circulate in the fruits and vegetables treatment system is water.
In heat pump, the air inlet of compressor 2 is connected with four-way change-over valve 1 with exhaust outlet; One end of heat exchanger 3 is connected with four-way change-over valve 1, and the other end is connected with the second triple valve 7 by throttling arrangement 4; Four-way change-over valve 1 is connected with the first triple valve 5; The first triple valve 5 is connected with First Heat Exchanger 6, the second heat exchanger 8 respectively, and the second triple valve 7 is connected with First Heat Exchanger 6, the second heat exchanger 8 respectively.Change the pipeline connection status by the first triple valve 5 and the second triple valve 7, realize two kinds of pipeline circulations: (1) compressor 2-four-way change-over valve 1-heat exchanger 3-throttling arrangement 4-the second triple valve 7-the first plate type heat exchanger 6-the first triple valve 5-four-way change-over valve 1-compressor 2; (2) compressor 2-four-way change-over valve 1-heat exchanger 3-throttling arrangement 4-the second triple valve 7-the second plate type heat exchanger 8-the first triple valve 5-four-way change-over valve 1-compressor 2.
In the refrigerating medium system, one group of import and export of the second plate type heat exchanger 8 are connected with one group of import and export of three-plate type heat exchanger 10, and the first circulating pump 11 is set in pipeline, one group of import and export of the first plate type heat exchanger 6 simultaneously are connected with the 4th triple valve 12 with the 3rd triple valve 9 respectively, and are connected with another group import and export of three-plate type heat exchanger 10 by above-mentioned two triple valves.
In the fruits and vegetables treatment system, an end of three-plate type heat exchanger 10 is connected with the cold remover 13 of mistake by the 3rd triple valve 9, and the other end is connected with the second circulating pump 14 by the 4th triple valve 12; Crossing cold remover 13 is connected with fruits and vegetables treating apparatus 16 by pipeline, be provided with the filter 15 that is connected with the second circulating pump 14 by pipeline in fruits and vegetables treating apparatus 16, be used for filtering the nucleation material of ice crystal and ice slurry, to avoid it on the impact of three-plate type heat exchanger.For further guaranteeing the filtration of the nucleation material in ice crystal and ice slurry, can be chosen in the pipeline between the second circulating pump 14 and the 4th triple valve 12 filter is set again, be used for filtering the nucleation material of ice crystal and ice slurry, to avoid it on the impact of three-plate type heat exchanger.
Owing to adopting four-way change-over valve, two to advance scene 2 formula plate type heat exchanger and triple valve, by the conversion of four-way change-over valve and triple valve, realize heat shock tupe, cold water cold shock tupe and the operation of ice slurry cold shock tupe in technical scheme of the present invention.
Heat shock tupe (the first pattern): four-way change-over valve 1, the first triple valve 5 and the second triple valve 7 are set, the first plate type heat exchanger 6 is communicated with compressor 2 exhaust outlets and throttling arrangement 4 respectively, take plate type heat exchanger 6 as condenser, namely become the liquid cold-producing medium of HTHP after through the first plate type heat exchanger condensation heat release from exhaust outlet of compressor high temperature and high pressure gaseous refrigerant out, become the low-temp low-pressure liquid state through the throttling arrangement throttling, heat absorption is evaporated to the low pressure gaseous state through heat exchanger again, flows back to through compressor inlet; The 3rd triple valve 9 and the 4th triple valve 12 are set, the fruits and vegetables treatment system is communicated with the first plate type heat exchanger 6.Water in fruits and vegetables treating apparatus 16 is sent into the first plate type heat exchanger 6 and is heated to temperature required through filter 15, the second circulating pump 14, the 4th triple valve 12 under the effect of the second circulating pump 14, through the 3rd triple valve 9 with cross cold remover 13 and flow into 16 pairs of fruits and vegetables of fruits and vegetables treating apparatus and carry out heat shock and process, cross cold remover 8 and be failure to actuate in this process.
Cold water cold shock tupe (the second pattern): four-way change-over valve 1, the first triple valve 5 and the second triple valve 7 are set, the first plate type heat exchanger 6 is communicated with compressor 2 air entries and throttling arrangement 4 respectively, take the first plate type heat exchanger 6 as evaporimeter, namely become the liquid cold-producing medium of HTHP after exhaust outlet of compressor high temperature and high pressure gaseous refrigerant process heat exchanger condensation heat release out, become the low-temp low-pressure liquid state through the throttling arrangement throttling, be evaporated to the low pressure gaseous state through the first plate type heat exchanger heat absorption again, flow back to overcompression machine air inlet through four-way change-over valve; The 3rd triple valve 9 and the 4th triple valve 12 are set, the fruits and vegetables treatment system is communicated with the first plate type heat exchanger 6.Water in fruits and vegetables treating apparatus 16 is sent into the first plate type heat exchanger 6 and is cooled to required low temperature through filter 15, the second circulating pump 14, the 4th triple valve 12 under the effect of the second circulating pump 14, through the 3rd triple valve 9 with cross cold remover 13 and flow into 16 pairs of fruits and vegetables of fruits and vegetables treating apparatus and carry out the cold water cold shock and process, cross cold remover 8 and be failure to actuate in this process.
ice slurry cold shock tupe (the third pattern): first will be water-cooled near 0 ℃ (1-3.5 ℃) with cold water cold shock mode operation, the first triple valve 5 and the second triple valve 7 are set subsequently, the second plate type heat exchanger 8 is communicated with compressor 2 air entries and throttling arrangement 4 respectively, take the second plate type heat exchanger 8 as evaporimeter, namely become the liquid cold-producing medium of HTHP after exhaust outlet of compressor high temperature and high pressure gaseous refrigerant process heat exchanger condensation heat release out, become the low-temp low-pressure liquid state through the throttling arrangement throttling, be evaporated to the low pressure gaseous state through the second plate type heat exchanger heat absorption again, flow back to overcompression machine air inlet through four-way change-over valve, refrigerating medium flows into three-plate type heat exchanger 10 after the second plate type heat exchanger 8 is cooling under the effect of the first circulating pump 11.The 3rd triple valve 9 and the 4th triple valve 12 are set, make that in the fruits and vegetables treatment system, three-plate type heat exchanger 10 is in connected state, water in fruits and vegetables treating apparatus 16 is sent into three-plate type heat exchanger 10 and is cooled to supercooled state through filter 15, the second circulating pump 14, the 4th triple valve 12 under the effect of the second circulating pump 14, flows through to destroy the supercooled state of water through cold remover 13 after the 3rd triple valve 9 and produce ice slurry (i.e. 0 ℃ of mixture of ice and water) and flow into 16 pairs of fruits and vegetables of fruits and vegetables treating apparatus and ice slurry cold shock processing.
Because the thermal capacity of refrigerating medium in the refrigerating medium system is less, can realize that cooling rate is fast in when operation, can not exert an influence to the further heat exchange of refrigerating medium and water; Also can be after realizing to be water-cooled near 0 ℃ (1-3.5 ℃), first suspend the circulation of fruits and vegetables treatment system, open the refrigerating medium system and carry out cycle heat exchange, after the refrigerating medium heat exchange reaches temperature requirement (for example subzero 3.5 ℃), open the circulation of fruits and vegetables treatment system, realize that refrigerating medium is to the cooling of water in the fruits and vegetables treatment system.
In implementation process, can carry out monitoring to the temperature of fruits and vegetables treating apparatus 16 by microsystem, and by controlling compressor horsepower, throttling arrangement (control flow), the first and second circulating pumps (control flow) and four triple valves (control flow), to realize the effect of heat exchange in heat exchanger and plate type heat exchanger, realize the control constantly to each heat transfer effect and fruits and vegetables treating apparatus 16 temperature.
Above the present invention has been done exemplary description; should be noted that; in the situation that do not break away from core of the present invention, the replacement that is equal to that any simple distortion, modification or other those skilled in the art can not spend creative work all falls into protection scope of the present invention.
Claims (10)
1. energy-saving multifunction fruits and vegetables temperature intensifies treating apparatus, it is characterized in that, comprise the heat pump that is formed by compressor, four-way change-over valve, heat exchanger, throttling arrangement, the first triple valve, the first plate type heat exchanger, the second plate type heat exchanger and the second triple valve; The refrigerating medium system that is formed by the first circulating pump, the second plate type heat exchanger and three-plate type heat exchanger; By the first plate type heat exchanger, three-plate type heat exchanger, the 3rd triple valve, cross the fruits and vegetables treatment system that cold remover, fruits and vegetables treating apparatus, filter, the second circulating pump and the 4th triple valve form, described heat pump respectively by the first plate type heat exchanger be connected plate type heat exchanger and fruits and vegetables treatment system and be connected with the refrigerating medium system, described refrigerating medium system passes through the three-plate type heat exchanger and is connected with the fruits and vegetables treatment system.
2. energy-saving multifunction fruits and vegetables temperature according to claim 1 intensifies treating apparatus, it is characterized in that, described First Heat Exchanger, the second heat exchanger and the 3rd heat exchanger are selected two heat exchangers that advance the scene 2 formula, and the cold remover of described mistake is used for subcooled water is prepared into the ice slurry.
3. energy-saving multifunction fruits and vegetables temperature according to claim 1 intensifies treating apparatus, it is characterized in that, what circulate in heat pump is general refrigerant, and what circulate in the refrigerating medium system is ethylene glycol, and what circulate in the fruits and vegetables treatment system is water.
4. energy-saving multifunction fruits and vegetables temperature according to claim 1 intensifies treating apparatus, it is characterized in that, in described heat pump, the air inlet of compressor is connected with four-way change-over valve with exhaust outlet; One end of heat exchanger is connected with four-way change-over valve, and the other end is connected with the second triple valve by throttling arrangement; Four-way change-over valve is connected with the first triple valve; The first triple valve is connected with First Heat Exchanger, the second heat exchanger respectively, and the second triple valve is connected with First Heat Exchanger, the second heat exchanger respectively.
5. energy-saving multifunction fruits and vegetables temperature according to claim 1 intensifies treating apparatus, it is characterized in that, in described refrigerating medium system, one group of import and export of the second plate type heat exchanger are connected with one group of import and export of three-plate type heat exchanger, and the first circulating pump is set in pipeline, one group of import and export of the first plate type heat exchanger simultaneously are connected with the 4th triple valve with the 3rd triple valve respectively, and are connected with another group import and export of three-plate type heat exchanger by above-mentioned two triple valves.
6. energy-saving multifunction fruits and vegetables temperature according to claim 1 intensifies treating apparatus, it is characterized in that, in described fruits and vegetables treatment system, an end of three-plate type heat exchanger is connected with the cold remover of mistake by the 3rd triple valve, and the other end is connected with the second circulating pump by the 4th triple valve; Cross cold remover and be connected with the fruits and vegetables treating apparatus by pipeline, be provided with the filter that is connected with the second circulating pump by pipeline in the fruits and vegetables treating apparatus.
7. energy-saving multifunction fruits and vegetables temperature according to claim 6 intensifies treating apparatus, it is characterized in that, in described fruits and vegetables treatment system, for further guaranteeing the filtration of the nucleation material in ice crystal and ice slurry, be chosen in the pipeline between the second circulating pump and the 4th triple valve filter is set, be used for filtering the nucleation material of ice crystal and ice slurry, to avoid it on the impact of three-plate type heat exchanger.
8. energy-saving multifunction fruits and vegetables temperature as claimed in claim 1 intensifies the operation method for the treatment of apparatus, it is characterized in that, by the conversion of four-way change-over valve and triple valve, realize heat shock tupe, cold water cold shock tupe and the operation of ice slurry cold shock tupe:
Heat shock tupe: four-way change-over valve, the first triple valve and the second triple valve are set, the first plate type heat exchanger are communicated with respectively, take the first plate type heat exchanger as condenser with exhaust outlet of compressor and throttling arrangement; The 3rd triple valve and the 4th triple valve are set, the fruits and vegetables treatment system is communicated with the first plate type heat exchanger, water in the fruits and vegetables treating apparatus is sent into the first plate type heat exchanger and is heated to temperature required through filter, the second circulating pump, the 4th triple valve under the effect of the second circulating pump, through the 3rd triple valve with cross cold remover and flow into the fruits and vegetables treating apparatus and fruits and vegetables are carried out heat shock process, cross cold remover and be failure to actuate in this process;
Cold water cold shock tupe: four-way change-over valve, the first triple valve and the second triple valve are set, the first plate type heat exchanger are communicated with respectively, take the first plate type heat exchanger as evaporimeter with compressor air suction mouth and throttling arrangement; The 3rd triple valve and the 4th triple valve are set, the fruits and vegetables treatment system is communicated with the first plate type heat exchanger, water in the fruits and vegetables treating apparatus is sent into the first plate type heat exchanger and is cooled to required low temperature through filter, the second circulating pump, the 4th triple valve under the effect of the second circulating pump, through the 3rd triple valve with cross cold remover and flow into the fruits and vegetables treating apparatus and fruits and vegetables are carried out the cold water cold shock process, cross cold remover and be failure to actuate in this process;
Ice slurry cold shock tupe: first will be water-cooled to temperature near 0 ℃ with cold water cold shock mode operation, the first triple valve and the second triple valve are set subsequently, the second plate type heat exchanger is communicated with compressor air suction mouth and throttling arrangement respectively, take the second plate type heat exchanger as evaporimeter, refrigerating medium flows into the three-plate type heat exchanger after the second plate type heat exchanger is cooling under the effect of the first circulating pump; The 3rd triple valve and the 4th triple valve are set, make that in the fruits and vegetables treatment system, the three-plate type heat exchanger is in connected state, water in the fruits and vegetables treating apparatus is sent into the three-plate type heat exchanger and is cooled to supercooled state through filter, the second circulating pump, the 4th triple valve under the effect of the second circulating pump, flows through to destroy the supercooled state of water through cold remover after the 3rd triple valve and produce the ice slurry and flow into the fruits and vegetables treating apparatus and fruits and vegetables are iced the slurry cold shock process.
9. energy-saving multifunction fruits and vegetables temperature according to claim 8 intensifies the operation method for the treatment of apparatus, it is characterized in that, when operation ice slurry cold shock tupe, because the thermal capacity of refrigerating medium in the refrigerating medium system is less, realize that cooling rate is fast, can not exert an influence to the further heat exchange of refrigerating medium and water; Also can be after realizing to be water-cooled near 0 ℃ (for example reaching 1-3.5 ℃), first suspend the circulation of fruits and vegetables treatment system, open the refrigerating medium system and carry out cycle heat exchange, after the refrigerating medium heat exchange reaches temperature requirement (for example subzero 3.5 ℃), open the circulation of fruits and vegetables treatment system, realize that refrigerating medium is to the cooling of water in the fruits and vegetables treatment system.
10. energy-saving multifunction fruits and vegetables temperature according to claim 8 intensifies the operation method for the treatment of apparatus, it is characterized in that, in implementation process, by microsystem, the temperature of fruits and vegetables treating apparatus is carried out monitoring, and by controlling compressor horsepower, throttling arrangement, the first and second circulating pumps and four triple valves, to realize the effect of heat exchange in heat exchanger and plate type heat exchanger, realize the control constantly to each heat transfer effect and fruits and vegetables treating apparatus temperature.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103416473A (en) * | 2013-08-23 | 2013-12-04 | 天津大学 | Multifunctional efficient fruit and vegetable temperature shock processing device and operation method thereof |
| CN104304440A (en) * | 2014-09-23 | 2015-01-28 | 华侨大学 | Longan fruit postharvest commercialization treatment apparatus system |
| CN105901113A (en) * | 2016-06-13 | 2016-08-31 | 天津出入境检验检疫局动植物与食品检测中心 | Fruit hot-water soaking disinfection treatment device and application thereof for treating phytophthora hibernalis |
| CN108850127A (en) * | 2018-09-10 | 2018-11-23 | 西南大学 | A kind of heat pump assembly and heat treatment method of citrus anti-corrosive fresh-keeping and sterilization |
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| CN102499280A (en) * | 2011-12-15 | 2012-06-20 | 天津大学 | Bidirectional differential pressure type fruit and vegetable cold shock preprocessing device |
| CN203167936U (en) * | 2013-04-01 | 2013-09-04 | 天津大学 | Energy-saving type multifunctional fruit/vegetable temperature shock treatment device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101843276A (en) * | 2010-05-25 | 2010-09-29 | 天津大学 | Energy-saving multifunctional cold-heat pretreatment device for fruits and vegetables before storage |
| CN101919436A (en) * | 2010-09-02 | 2010-12-22 | 天津大学 | Heat pump type pressure gradient fruit vegetable heat treatment library |
| CN102499280A (en) * | 2011-12-15 | 2012-06-20 | 天津大学 | Bidirectional differential pressure type fruit and vegetable cold shock preprocessing device |
| CN203167936U (en) * | 2013-04-01 | 2013-09-04 | 天津大学 | Energy-saving type multifunctional fruit/vegetable temperature shock treatment device |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103416473A (en) * | 2013-08-23 | 2013-12-04 | 天津大学 | Multifunctional efficient fruit and vegetable temperature shock processing device and operation method thereof |
| CN104304440A (en) * | 2014-09-23 | 2015-01-28 | 华侨大学 | Longan fruit postharvest commercialization treatment apparatus system |
| CN105901113A (en) * | 2016-06-13 | 2016-08-31 | 天津出入境检验检疫局动植物与食品检测中心 | Fruit hot-water soaking disinfection treatment device and application thereof for treating phytophthora hibernalis |
| CN108850127A (en) * | 2018-09-10 | 2018-11-23 | 西南大学 | A kind of heat pump assembly and heat treatment method of citrus anti-corrosive fresh-keeping and sterilization |
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| Publication number | Publication date |
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| CN103168833B (en) | 2014-08-20 |
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