CN203167936U - Energy-saving type multifunctional fruit/vegetable temperature shock treatment device - Google Patents
Energy-saving type multifunctional fruit/vegetable temperature shock treatment device Download PDFInfo
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- CN203167936U CN203167936U CN2013201587131U CN201320158713U CN203167936U CN 203167936 U CN203167936 U CN 203167936U CN 2013201587131 U CN2013201587131 U CN 2013201587131U CN 201320158713 U CN201320158713 U CN 201320158713U CN 203167936 U CN203167936 U CN 203167936U
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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
- 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
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Abstract
The utility model discloses an energy-saving type multifunctional fruit/vegetable temperature shock treatment system which comprises a heat pump system, a secondary refrigerant system and a fruit/vegetable treatment system, wherein the heat pump system consists of a compressor, a four-way reversing valve, a heat exchanger, a throttling device, a first three-way valve, a first plate heat exchanger, a second plate heat exchanger and a second three-way valve; the secondary refrigerant system consists of a first circulation pump, a second plate heat exchanger and a third plate heat exchanger; and the fruit/vegetable treatment system consists of a first plate heat exchanger, a third plate heat exchanger, a third three-way valve, a supercooling release device, a fruit/vegetable treatment device, a filter, a second circulation pump and a fourth three-way valve. The device disclosed by the utility model can operate in three modes and can realize three functions of fruit/vegetable heat shock treatment, fruit/vegetable cold-water cold shock treatment and fruit/vegetable ice slurry cold shock treatment, thereby effectively reducing the equipment investment, improving the heat exchange efficiency and reducing the whole energy consumption of the system.
Description
Technical field
The utility model belongs to the preserving fruit and vegetable utilizing preconditioning technique, more specifically, relates 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.Along with people to the postharvest technology of fruits and vegetables pay attention to day by day, the fruits and vegetables temperature intensifies processing (comprise cold shock processing and heat shock handle) and receives publicity day by day.At present, it mainly is treatment media with the mixture of ice and water that cold shock is handled, and realizes by manually mixing ice cube and cold water by a certain percentage, operates comparatively loaded down with trivial details.In addition, the shared bulk specific gravity of mixture of ice and water medium floe is bigger, has reduced effective use volume of fruits and vegetables treating apparatus, and the big fruit and vegetable surfaces that scratches easily of ice cube, causes and rots, and causes economic loss.Heat shock is handled and is mainly realized by electrical heating water, expends a large amount of high-grade energies.At present, the fruits and vegetables temperature intensifies handles the rare report of relevant device, therefore designs a kind of fruits and vegetables temperature energy-conservation and that have cold and hot sharp processing capacity concurrently and intensifies treating apparatus, significant for the preservation effect that improves agricultural products in China.
The utility model content
The purpose of this utility model 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 utility model is achieved by following technical proposals:
Energy-saving multifunction fruits and vegetables temperature intensifies treating apparatus, comprises the heat pump of being made up of compressor 2, four-way change-over valve 1, heat exchanger 3, throttling arrangement 4, first triple valve 5, first plate type heat exchanger 6, second plate type heat exchanger 8 and second triple valve 7; The refrigerating medium system that is formed by first circulating pump 11, second plate type heat exchanger 8 and three-plate type heat exchanger 10; By 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, second circulating pump 14 and the 4th triple valve 12 are formed.The syndeton of system is: heat pump is connected with the refrigerating medium system with the fruits and vegetables treatment system with second plate type heat exchanger 8 by first plate type heat exchanger 6 respectively.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, second heat exchanger 8 and the 3rd heat exchanger 10 select for use 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 links to each other with four-way change-over valve 1 with exhaust outlet; One end of heat exchanger 3 links to each other with four-way change-over valve 1, and the other end links to each other with second triple valve 7 by throttling arrangement 4; Four-way change-over valve 1 links to each other with first triple valve 5; First triple valve 5 links to each other with first heat exchanger 6, second heat exchanger 8 respectively, and second triple valve 7 links to each other with first heat exchanger 6, second heat exchanger 8 respectively.
In the refrigerating medium system, one group of import and export of second plate type heat exchanger 8 link to each other with one group of import and export of three-plate type heat exchanger 10, and first circulating pump 11 is set in pipeline, one group of import and export of first plate type heat exchanger 6 simultaneously link to each other with the 4th triple valve 12 with the 3rd triple valve 9 respectively, and link to each other 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 links to each other with the cold remover 13 of mistake by the 3rd triple valve 9, and the other end links to each other with second circulating pump 14 by the 4th triple valve 12; Crossing cold remover 13 links to each other with fruits and vegetables treating apparatus 16 by pipeline, in fruits and vegetables treating apparatus 16, be provided with the filter 15 that links to each other with second circulating pump 14 by pipeline, be used for filtering the nucleation material of ice crystal and ice slurry, to avoid it to the influence of three-plate type heat exchanger.For further guaranteeing the filtration of the nucleation material in ice crystal and the ice slurry, can be chosen in the pipeline between 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 to the influence of three-plate type heat exchanger.
In the technical solution of the utility model owing to adopt 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 first triple valve 5 and 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 first plate type heat exchanger 6, water in the fruits and vegetables treating apparatus 16 is process filter 15 under the effect of second circulating pump 14, second circulating pump 14, the 4th triple valve 12 is sent into 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, cross cold remover 8 and be failure to actuate in this process, the heat exchange of realization cold-producing medium and water is directly heated or is cooled off; (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 first circulating pump 11 simultaneously, after 8 coolings of second plate type heat exchanger, flow into three-plate type heat exchanger 10, the 3rd triple valve 9 and the 4th triple valve 12 are set, make that three-plate type heat exchanger 10 is in connected state in the fruits and vegetables treatment system, water in the fruits and vegetables treating apparatus 16 is process filter 15 under the effect of second circulating pump 14, second circulating pump 14, the 4th triple valve 12 is sent into three-plate type heat exchanger 10 and is cooled to supercooled state, flows through behind the 3rd triple valve 9 to destroy the supercooled state of water through cold remover 13 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.
Be evaporimeter or condenser with two-plate heat exchanger (first heat exchanger 6 and second heat exchanger 8), thereby directly cool off or add hot water, or by another shared plate type heat exchanger (the 3rd heat exchanger 10) cold is passed to the processing water behind the 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 handle.During heating operation, the water in the fruits and vegetables treatment system is heated to temperature required, carries out heat shock and handle.Because adopt heat pump that cold and heat are provided, and comprise two plate type heat exchangers in the heat pump, and utilized cold process to produce mixture of ice and water, 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 handle three functions, and effectively minimizing equipment drops into.
(2) by the switching use of two plate type heat exchangers of heat pump and the setting of four triple valves, can make device can directly cool off (the low temperature more than 0 ℃, for example 1-5 ℃) or heating fruits and vegetables preliminary treatment water, significantly improved the device heat exchange efficiency, reduced the entire system energy consumption.
When (3) adopting cold process to produce the ice slurry for fruits and vegetables cold shock processing, earlier directly cool off fruits and vegetables by the heat pump plate type heat exchanger and handle water near 0 ℃, switch to the refrigerating medium system again and continue to be cooled to supercooled state and produce ice slurry, effectively improved processing water rate of temperature fall.
Description of drawings
Fig. 1 is the utility model system architecture and heat shock operational mode schematic diagram.
Fig. 2 is the utility model system architecture and cold water cold shock operational mode schematic diagram.
Fig. 3 is the utility model system architecture 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 first triple valve, and 6 is first plate type heat exchanger, 7 is second triple valve, and 8 is second plate type heat exchanger, and 9 is the 3rd triple valve, 10 is the three-plate type heat exchanger, and 11 is first circulating pump, and 12 is the 4th triple valve, 13 was cold remover, 14 is second circulating pump, and 15 is filter, and 16 is the fruits and vegetables treating apparatus.
The specific embodiment
Further specify the technical solution of the utility model below in conjunction with the drawings and specific embodiments.
Energy-saving multifunction fruits and vegetables temperature intensifies treating apparatus, comprises the heat pump of being made up of compressor 2, four-way change-over valve 1, heat exchanger 3, throttling arrangement 4, first triple valve 5, first plate type heat exchanger 6, second plate type heat exchanger 8 and second triple valve 7; The refrigerating medium system that is formed by first circulating pump 11, second plate type heat exchanger 8 and three-plate type heat exchanger 10; By 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, second circulating pump 14 and the 4th triple valve 12 are formed.The syndeton of system is: heat pump is connected with the refrigerating medium system with the fruits and vegetables treatment system with second plate type heat exchanger 8 by first plate type heat exchanger 6 respectively.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, second heat exchanger 8 and the 3rd heat exchanger 10 select for use 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 links to each other with four-way change-over valve 1 with exhaust outlet; One end of heat exchanger 3 links to each other with four-way change-over valve 1, and the other end links to each other with second triple valve 7 by throttling arrangement 4; Four-way change-over valve 1 links to each other with first triple valve 5; First triple valve 5 links to each other with first heat exchanger 6, second heat exchanger 8 respectively, and second triple valve 7 links to each other with first heat exchanger 6, second heat exchanger 8 respectively.Change the pipeline connection status by first triple valve 5 and 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 second plate type heat exchanger 8 link to each other with one group of import and export of three-plate type heat exchanger 10, and first circulating pump 11 is set in pipeline, one group of import and export of first plate type heat exchanger 6 simultaneously link to each other with the 4th triple valve 12 with the 3rd triple valve 9 respectively, and link to each other 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 links to each other with the cold remover 13 of mistake by the 3rd triple valve 9, and the other end links to each other with second circulating pump 14 by the 4th triple valve 12; Crossing cold remover 13 links to each other with fruits and vegetables treating apparatus 16 by pipeline, in fruits and vegetables treating apparatus 16, be provided with the filter 15 that links to each other with second circulating pump 14 by pipeline, be used for filtering the nucleation material of ice crystal and ice slurry, to avoid it to the influence of three-plate type heat exchanger.For further guaranteeing the filtration of the nucleation material in ice crystal and the ice slurry, can be chosen in the pipeline between 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 to the influence of three-plate type heat exchanger.
Owing to adopt 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 the technical solution of the utility model.
Heat shock tupe (first kind of pattern): four-way change-over valve 1, first triple valve 5 and second triple valve 7 are set, first plate type heat exchanger 6 is communicated with compressor 2 exhaust outlets and throttling arrangement 4 respectively, be condenser with plate type heat exchanger 6, namely the high temperature and high pressure gaseous refrigerant that comes out from exhaust outlet of compressor becomes the liquid cold-producing medium of HTHP after through the first plate type heat exchanger condensation heat release, 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 first plate type heat exchanger 6.Water in the fruits and vegetables treating apparatus 16 is sent into first plate type heat exchanger 6 and is heated to temperature required through filter 15, second circulating pump 14, the 4th triple valve 12 under the effect of 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 handle, in this process, cross cold remover 8 and be failure to actuate.
Cold water cold shock tupe (second kind of pattern): four-way change-over valve 1, first triple valve 5 and second triple valve 7 are set, first plate type heat exchanger 6 is communicated with compressor 2 air entries and throttling arrangement 4 respectively, be evaporimeter with first plate type heat exchanger 6, namely the high temperature and high pressure gaseous refrigerant that comes out from exhaust outlet of compressor becomes the liquid cold-producing medium of HTHP after passing through heat exchanger condensation heat release, become the low-temp low-pressure liquid state through the throttling arrangement throttling, heat absorption is evaporated to the low pressure gaseous state through first plate type heat exchanger again, flows 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 first plate type heat exchanger 6.Water in the fruits and vegetables treating apparatus 16 is sent into first plate type heat exchanger 6 and is cooled to required low temperature through filter 15, second circulating pump 14, the 4th triple valve 12 under the effect of 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 handle, in this process, cross cold remover 8 and be failure to actuate.
Ice slurry cold shock tupe (the third pattern): will be water-cooled near 0 ℃ (1-3.5 ℃) with cold water cold shock mode operation earlier, first triple valve 5 and second triple valve 7 are set subsequently, second plate type heat exchanger 8 is communicated with compressor 2 air entries and throttling arrangement 4 respectively, be evaporimeter with second plate type heat exchanger 8, namely the high temperature and high pressure gaseous refrigerant that comes out from exhaust outlet of compressor becomes the liquid cold-producing medium of HTHP after passing through heat exchanger condensation heat release, become the low-temp low-pressure liquid state through the throttling arrangement throttling, heat absorption is evaporated to the low pressure gaseous state through second plate type heat exchanger again, flows back to overcompression machine air inlet through four-way change-over valve; Refrigerating medium flows into three-plate type heat exchanger 10 after 8 coolings of second plate type heat exchanger under the effect of first circulating pump 11.The 3rd triple valve 9 and the 4th triple valve 12 are set, make that three-plate type heat exchanger 10 is in connected state in the fruits and vegetables treatment system, water in the fruits and vegetables treating apparatus 16 are sent into three-plate type heat exchanger 10 and are cooled to supercooled state through filter 15, second circulating pump 14, the 4th triple valves 12 under the effect of second circulating pump 14, flow through behind the 3rd triple valve 9 to destroy the supercooled state of water through cold remover 13 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.
In when operation since in the refrigerating medium system thermal capacity of refrigerating medium less, can 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 ℃ (1-3.5 ℃), suspend the circulation of fruits and vegetables treatment system earlier, open the refrigerating medium system and carry out cycle heat exchange, after treating that 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 control compressor horsepower, throttling arrangement (control flow), first and second circulating pumps (control flow) and four triple valves (control flow), to realize the effect of heat exchange in heat exchanger and the plate type heat exchanger, realize the control constantly to each heat exchange effect and fruits and vegetables treating apparatus 16 temperature.
More than the utility model has been done exemplary description; should be noted that; under the situation that does not break away from core of the present utility model, 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 domain of the present utility model.
Claims (3)
1. energy-saving multifunction fruits and vegetables temperature intensifies treating apparatus, it is characterized in that, comprise the heat pump of being formed by compressor, four-way change-over valve, heat exchanger, throttling arrangement, first triple valve, first plate type heat exchanger, second plate type heat exchanger and second triple valve; The refrigerating medium system that is formed by first circulating pump, second plate type heat exchanger and three-plate type heat exchanger; By 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, second circulating pump and the 4th triple valve are formed;
In described heat pump, the air inlet of compressor links to each other with four-way change-over valve with exhaust outlet; One end of heat exchanger links to each other with four-way change-over valve, and the other end links to each other with second triple valve by throttling arrangement; Four-way change-over valve links to each other with first triple valve; First triple valve links to each other with first heat exchanger, second heat exchanger respectively, and second triple valve links to each other with first heat exchanger, second heat exchanger respectively;
In described refrigerating medium system, one group of import and export of second plate type heat exchanger link to each other with one group of import and export of three-plate type heat exchanger, and first circulating pump is set in pipeline, one group of import and export of first plate type heat exchanger simultaneously link to each other with the 4th triple valve with the 3rd triple valve respectively, and link to each other with another group import and export of three-plate type heat exchanger by above-mentioned two triple valves;
In described fruits and vegetables treatment system, an end of three-plate type heat exchanger links to each other with the cold remover of mistake by the 3rd triple valve, and the other end links to each other with second circulating pump by the 4th triple valve; Cross cold remover and link to each other with the fruits and vegetables treating apparatus by pipeline, in the fruits and vegetables treating apparatus, be provided with the filter that links to each other with second circulating pump by pipeline.
2. 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, in the pipeline between second circulating pump and the 4th triple valve filter is set, 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, described first heat exchanger, second heat exchanger and the 3rd heat exchanger are selected two heat exchangers that advance the scene 2 formula for use.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013201587131U CN203167936U (en) | 2013-04-01 | 2013-04-01 | Energy-saving type multifunctional fruit/vegetable temperature shock treatment device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2013201587131U CN203167936U (en) | 2013-04-01 | 2013-04-01 | Energy-saving type multifunctional fruit/vegetable temperature shock treatment device |
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| CN203167936U true CN203167936U (en) | 2013-09-04 |
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| CN2013201587131U Withdrawn - After Issue CN203167936U (en) | 2013-04-01 | 2013-04-01 | Energy-saving type multifunctional fruit/vegetable temperature shock treatment device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103168833A (en) * | 2013-04-01 | 2013-06-26 | 天津大学 | Energy-saving multifunctional fruit and vegetable temperature activation processing device |
-
2013
- 2013-04-01 CN CN2013201587131U patent/CN203167936U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103168833A (en) * | 2013-04-01 | 2013-06-26 | 天津大学 | Energy-saving multifunctional fruit and vegetable temperature activation processing device |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130904 Effective date of abandoning: 20140820 |
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| RGAV | Abandon patent right to avoid regrant |