CN103749655B - A kind of immersion sprays compound pre-cooling device - Google Patents
A kind of immersion sprays compound pre-cooling device Download PDFInfo
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- CN103749655B CN103749655B CN201410025923.2A CN201410025923A CN103749655B CN 103749655 B CN103749655 B CN 103749655B CN 201410025923 A CN201410025923 A CN 201410025923A CN 103749655 B CN103749655 B CN 103749655B
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- conveyer belt
- cooling
- flexible conveyer
- fruits
- spray
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Abstract
The invention discloses a kind of immersion and spray compound pre-cooling device, comprise pre-cooling casing, the flexible conveyer belt be arranged on described pre-cooling casing, height adjustable conveyer belt bearing, be arranged at spray thrower, power set and refrigeration unit above described flexible conveyer belt, described flexible conveyer belt is connected with described power set, and flexible conveyer belt is arranged on described conveyer belt bearing.When the present invention carries out sprinkling-water type Hydro pre-cooling, only need adjust conveyer belt bearing and flexible conveyer belt entirety is placed on the water surface in pre-cooling casing, be enabled in the spray thrower above flexible conveyer belt, sprinkling-water type Hydro pre-cooling can be realized; When needs impregnated Hydro pre-cooling, only need adjust conveyer belt bearing will to drop in pre-cooling casing under water in the middle part of flexible conveyer belt, impregnated Hydro pre-cooling can be realized, the present invention be satisfied with the different precooling of different fruits and vegetables require, reduce the expense that need purchase many cover equipments and be convenient to carrying, precooling is even, fluid loss is little.
Description
Technical field
The present invention relates to a kind of pre-cooling device, particularly one soaks the compound pre-cooling device of spray.
Background technology
Precooling can reduce postharvest fruit and vegetable respiratory intensity as the primary link of Cold Chain Logistics, the release of inhibitory enzyme and ethene, reduces fruit and vegetable physiological regulation metabolic rate, reduces physiological disease.Fruits and vegetables through precooling enter freezer or refrigerator car, can reduce the consumption of refrigerating capacity, are conducive to the regulation and control of fresh-keeping environments, also can reduce storing energy consumption.
Common Pre-cooling Mode has Hydro pre-cooling, freezer precooling, differential pressure precooling and vacuum pre-cooling.Freezer precooling speed is slow, and first investment is large, freezer addressing, storehouse body designing requirement are high, is difficult to mobile after building up.Differential pressure precooling then precooling uneven, easily cause lee face precooling not thoroughly, the evaporation of fruit and vegetable surfaces moisture is serious, fluid loss is large.Vacuum pre-cooling drops into costliness for the first time.For part fruits and vegetables, because differential pressure precooling and vacuum pre-cooling fluid loss are large, being not suitable for its precooling, such as lichee, easily there is brown stain in pericarp, affects commodity value.
Current, Hydro pre-cooling is domestic more common Pre-cooling Mode.Sprinkling-water type, impregnated are two kinds of conventional Hydro pre-cooling modes.Sprinkling-water type precooling is by cooling to fruits and vegetables spraying cold water.Impregnated fruits and vegetables is directly placed in cold rinse bank to soak cooling, and fruits and vegetables contact completely with water, and contact area is abundant, and evenly, cooling velocity is fast in cooling.In reality, during different fruits and vegetables Hydro pre-cooling, different modes may be needed; Meanwhile, current Hydro pre-cooling device controls mainly based on experience fruits and vegetables temperature, and normal appearance owes precooling or cross precooling phenomenon.
Summary of the invention
For the technical problem existed in prior art, the object of the invention is: provide a kind of and be convenient to carrying, cost is low, precooling is even, quick, fluid loss is little and collects the immersion sprinkling water and impregnated in one spray compound pre-cooling device.
Object of the present invention is achieved through the following technical solutions: a kind of immersion sprays compound pre-cooling device, comprise pre-cooling casing, the flexible conveyer belt be arranged on described pre-cooling casing, height adjustable conveyer belt bearing, be arranged at spray thrower, power set and refrigeration unit above described flexible conveyer belt, described flexible conveyer belt is connected with described power set, and flexible conveyer belt is arranged on described conveyer belt bearing.
Preferably, pre-cooling casing is equipped with Height Adjustable door-plate on conveyer belt input port and delivery outlet.
Preferably, described spray thrower is included in spray line above flexible conveyer belt, for extracting the feeding spraying pump of the cold water in pre-cooling casing and connecting the transmission water pipe of described spray line and feeding spraying pump.
Preferably, described pre-cooling bottom half is provided with removable scroll wheel, also comprises the bacterium virus killing device that disappears for the bacterium virus killing that disappears to the water in pre-cooling casing.
Preferably, also comprise the control system primarily of fruits and vegetables temperature sensor, cooling-water temperature sensor, controller, relay and control circuit composition, control system is connected with described power set, refrigeration unit and spray thrower, control circuit is connected with controller and relay respectively, and fruits and vegetables temperature sensor is connected with controller with cooling-water temperature sensor.
Preferably, described conveyer belt bearing comprises stay and Height Adjustment bar, and stay is supported on flexible conveyer belt two ends, and Height Adjustment bar is supported in the middle part of flexible conveyer belt.
Preferably, the movable post that described Height Adjustment bar comprises pedestal, adjustment column and is connected with flexible conveyer belt, pedestal axially offers trepanning, radial direction offers adjusting hole, movable post offers connecting hole, movable post is connected in trepanning, and to be put in connecting hole through adjusting hole by adjustment column and be connected on pedestal, and described adjusting hole and/or connecting hole are at least two.
Preferably, the stay being supported on described flexible conveyer belt one end has cooperation distressed structure, and described cooperation distressed structure comprises chute and slide block, and slide block is connected with stay and chute respectively.
Preferably, the fruits and vegetables baffle conveying be connected on described flexible conveyer belt is also comprised.
Preferably, described fruits and vegetables baffle conveying is horizontally set, is longitudinally also provided with dividing plate, forms rest area between fruits and vegetables baffle conveying and dividing plate.
Operation principle of the present invention: will treat that precooling fruits and vegetables to be put in fruits and vegetables baskets and to be positioned in rest area, open flexible conveyer belt switch, precooling fruits and vegetables are treated in transmission, in the process of precooling, cooling-water temperature sensor detects in real time to the water temperature of cold water in pre-cooling casing, when water temperature is higher than preset temperature, then starts refrigeration unit and freezes, when water temperature lower than or when reaching preset temperature, then stop refrigeration unit; Fruits and vegetables temperature sensor is positioned over to be treated in precooling fruits and vegetables, treats the temperature of precooling fruits and vegetables in precooling process and detects in real time, and when reaching setting precooling temperature until the temperature of precooling fruits and vegetables, control system opens flexible conveyer belt switch, exports the fruits and vegetables after precooling.
The present invention has following advantage and effect relative to prior art:
1, the present invention soak spray compound pre-cooling device sprinkling-water type or impregnated can be selected to carry out Hydro pre-cooling, when carrying out sprinkling-water type Hydro pre-cooling, only need adjust conveyer belt bearing is placed on the water surface in pre-cooling casing by flexible conveyer belt entirety, be enabled in the spray thrower above flexible conveyer belt, sprinkling-water type Hydro pre-cooling can be realized; When needs impregnated Hydro pre-cooling, only need adjust conveyer belt bearing will to drop in pre-cooling casing under water in the middle part of flexible conveyer belt, impregnated Hydro pre-cooling can be realized, the present invention be satisfied with the different precooling of different fruits and vegetables require, reduce the expense that need purchase many cover equipments and be convenient to carrying, precooling is even, fluid loss is little, easy to use.
2, the present invention has control system and precisely can control pre-cooling time and pre-cold water temperature, thus avoids occurring deficient precooling or crossing precooling phenomenon.
3, the present invention has fruits and vegetables baffle conveying and dividing plate, forms rest area between fruits and vegetables baffle conveying and dividing plate, places fruits and vegetables basket to separate.
4, the present invention is equipped with Height Adjustable door-plate at pre-cooling casing on conveyer belt input port and delivery outlet, regulates the size of input/output port to enter in pre-cooling casing make temperature of cold water rises to reduce hot-air according to the fruits and vegetables basket height placed.
Accompanying drawing explanation
Fig. 1 is that the present invention soaks the structural representation spraying compound pre-cooling device.
Fig. 2 is the right view of Fig. 1.
Fig. 3 is the axonometric drawing that the present invention soaks that the compound pre-cooling device of spray removes upper cover.
Fig. 4 is the structural representation of the present invention's flexible conveyer belt when adopting impregnated to carry out Hydro pre-cooling.
Fig. 5 is the structural representation of the present invention's flexible conveyer belt when adopting sprinkling-water type to carry out Hydro pre-cooling.
Fig. 6 is door panel structure schematic diagram of the present invention.
Fig. 7 is the schematic flow sheet of work of the present invention.
Detailed description of the invention
Below in conjunction with embodiment and accompanying drawing, the present invention is described in further detail, but embodiments of the present invention are not limited thereto.
Embodiment one:
As Figure 1-3, a kind of immersion sprays compound pre-cooling device, comprise pre-cooling casing 1, the flexible conveyer belt 2 be arranged on described pre-cooling casing 1, height adjustable conveyer belt bearing 3, be arranged at spray thrower 4, power set 5 and refrigeration unit 6 above described flexible conveyer belt 2, described flexible conveyer belt 2 is connected with described power set 5, and flexible conveyer belt 2 is arranged on described conveyer belt bearing 3.
As shown in figs. 1 and 3, described spray thrower 4 is included in spray line 41 directly over flexible conveyer belt 2, for extracting the feeding spraying pump 42 of the cold water in pre-cooling casing 1 and connecting the transmission water pipe 43 of described spray line 41 and feeding spraying pump 42, described spray line 41 is extending longitudinally along flexible conveyer belt 2 direction of transfer, spray line 41 to be two also can be one, three or more, spray line 41 can also be horizontal or oblique extension etc.
As illustrated in fig. 1 and 2, also comprise the control system primarily of fruits and vegetables temperature sensor 71, cooling-water temperature sensor 72, controller, relay, block terminal and control circuit composition, relay is placed in block terminal, control system is connected with described power set 5, refrigeration unit 6 and spray thrower 4, control circuit is connected with controller and relay respectively, and fruits and vegetables temperature sensor 71 is connected with controller with cooling-water temperature sensor 72.Concrete, described fruits and vegetables temperature sensor 71 is operationally placed in fruits and vegetables and detects fruits and vegetables internal temperature; Described cooling-water temperature sensor 72 is placed in the inner cold water of pre-cooling casing 1.Described control circuit is connected with controller and relay successively; Control system is connected with feeding spraying pump 42, and controller is single-chip microcomputer or PLC.
As shown in Figures 4 and 5, described conveyer belt bearing 3 comprises stay 31 and Height Adjustment bar 32, and stay 31 is supported on flexible conveyer belt 2 two ends, and Height Adjustment bar 32 is supported in the middle part of flexible conveyer belt 1.The movable post 323 that described Height Adjustment bar 32 comprises pedestal 321, adjustment column 322 and is connected with flexible conveyer belt 2, pedestal 321 is fixed on the bottom of pre-cooling casing 1, pedestal 321 axially offers trepanning, radial direction offers adjusting hole, movable post 323 offers connecting hole, movable post 323 is connected in trepanning, and to be put in connecting hole through adjusting hole by adjustment column 322 and be connected on pedestal 321, and described adjusting hole and/or connecting hole are at least two.The stay 31 being supported on described flexible conveyer belt 2 one end has cooperation distressed structure, and described cooperation distressed structure comprises chute 311 and slide block 312, and slide block 312 is connected with stay 31 and chute 311 respectively.Concrete: adjusting hole is about three and is arranged on pedestal 321 at a certain distance, connecting hole is one, movable post 323 can slide up and down to change height along trepanning, when being adjusted to desired height, make adjusting hole and connecting hole alignment, adjustment column 322 is connected in adjusting hole and connecting hole simultaneously, thus movable post 323 is fixed on pedestal 321.Due to when adjusting, the stay 31 at flexible conveyer belt 2 two ends needs adaptive cooperation to realize adjusting smoothly, therefore 31 will to be fixedly connected with slide block 312 bottom the stay of rear end, simultaneously, slide block 312 can slide along chute 311, when slide block 312 slides into correct position, available bolt makes slide block 312 and chute 311 fix, described cooperation distressed structure can also be arranged on the stay 31 at flexible conveyer belt 2 two ends simultaneously, it can be arranged at stay 31 top also can be bottom, stay 31 is respectively provided with two on flexible conveyer belt 2 two ends, Height Adjustment bar 32 is 4 both sides respectively in the middle part of flexible conveyer belt 2, Height Adjustment bar 32 also can be two, described adjusting hole can be one, now connecting hole is at least two.
As in Figure 3-5, also comprise multiple fruits and vegetables baffle conveying 21, fruits and vegetables baffle conveying 21 is fixedly connected on described flexible conveyer belt 2 by certain spacing.Described fruits and vegetables baffle conveying 21 is horizontally set, is longitudinally also provided with dividing plate 22, forms rest area between fruits and vegetables baffle conveying 21 and dividing plate 22.
As Figure 1-3, pre-cooling casing 1 is also provided with the bacterium virus killing device 81 that disappears, filter 82, drainage switch 83 and the moisturizing switch 84 of killing virus for the bacterium that disappears to the cold water of pre-cooling casing 1 li.The described bacterium virus killing device 81 that disappears is for ozone-sterilizing device; Described filter 82 has removable filter screen, convenient cleaning.
As shown in Figure 1, described refrigeration unit 6 comprises the evaporimeter, refrigeration compressor, condenser, the choke valve that are connected successively by refrigerant pipe, and wherein, described evaporimeter is placed in pre-cooling casing 1, to make the water for cooling in pre-cooling casing 1.
As illustrated in fig. 1 and 2, removable scroll wheel 85 is provided with bottom described pre-cooling casing 1.Concrete, pre-cooling casing 1 is positioned on a bogey 86, and described scroll wheel 85 is arranged at bottom bogey 86, is convenient to carrying.Pre-cooling casing 1 can directly promote when doing short-haul operation; During long distance carrying, pre-cooling casing 1 can be made to be separated with bogey 86.
As Fig. 1, shown in 2 and 6, pre-cooling casing 1 is equipped with Height Adjustable door-plate 11 on flexible conveyer belt 2 input/output port, the size of input/output port can be regulated to enter in pre-cooling casing 1 make temperature of cold water rises to reduce hot-air according to placing the fruits and vegetables basket height treating precooling fruits and vegetables, concrete, pre-cooling casing 1 comprises door-plate 11, body 12 and upper cover 13, upper cover 13 is placed on body 12, spray line 41 is lifted on upper cover 13, described input port and delivery outlet are opened on upper cover 13, input port and delivery outlet edge are provided with slideway, door-plate 11 can slide along slideway, simultaneously, slideway and door-plate 11 has position adjustment hole, after correct position is transferred to by door-plate 11, be connected to the position adjustment hole on slideway and door-plate 11 by position adjusting rod thus door-plate 11 is fixed on current location.
The course of work of the present invention and operation principle: as shown in Figure 7, to treat that precooling fruits and vegetables to be put in fruits and vegetables baskets and to be positioned in rest area, open flexible conveyer belt switch, precooling fruits and vegetables are treated in transmission, and in the process of precooling, cooling-water temperature sensor detects in real time to the water temperature of cold water in pre-cooling casing, when water temperature is higher than preset temperature, then start refrigeration unit freeze, when water temperature lower than or when reaching preset temperature, then stop refrigeration unit; Fruits and vegetables temperature sensor is positioned over to be treated in precooling fruits and vegetables, treats the temperature of precooling fruits and vegetables in precooling process and detects in real time, and when reaching setting precooling temperature until the temperature of precooling fruits and vegetables, control system opens flexible conveyer belt switch, exports the fruits and vegetables after precooling.
In the process of precooling, when adopting impregnated to carry out Hydro pre-cooling, by making movable post along trepanning retracted downward, make to drop in cold water in the middle part of flexible conveyer belt, to be connected in adjusting hole and connecting hole by adjustment column after being adjusted to desired height thus to make movable post be fixed on pedestal, simultaneously, flexible conveyer belt two ends distance is shunk, then unclamp slide block, stay strip movable slider is made to slide into suitable position, with bolt, slide block and chute are fixed again, now flexible conveyer belt is divided into fruits and vegetables to input section, decline changeover portion, fruits and vegetables soak precooling zone, deferent segment after changeover portion and precooling after pre-cooling, fruits and vegetables soak precooling zone in water, treat that precooling fruits and vegetables drop to underwater fruits and vegetables immersion precooling zone via fruits and vegetables input section and decline changeover portion and soak, when reaching setting precooling temperature until the temperature of precooling fruits and vegetables, control system opens flexible conveyer belt switch, after precooling fruits and vegetables are via pre-cooling, after changeover portion and precooling, deferent segment rises on the water surface, export the fruits and vegetables after precooling, complete precooling.
When adopting sprinkling-water type to carry out Hydro pre-cooling, upwards extend along trepanning by making movable post, make flexible conveyer belt overall all above on the water surface, to be connected in adjusting hole and connecting hole by adjustment column after being adjusted to desired height thus to make movable post be fixed on pedestal, simultaneously, flexible conveyer belt two ends distance becomes large, then unclamp slide block, make skid to suitable position, with bolt, slide block and chute are fixed again, now flexible conveyer belt is divided into fruits and vegetables to input section, deferent segment after spray section and precooling, now when entering into spray section until precooling fruits and vegetables, the cold water that the feeding spraying pump that control system controls spray thrower extracts in pre-cooling casing carries out cold water spray, to make when precooling fruits and vegetables are down to setting precooling temperature, control system opens flexible conveyer belt switch, export the fruits and vegetables after precooling, complete precooling.
In precooling process, can will treat that precooling fruits and vegetables are put in rest area by continuous print, continuous print precooling can be realized, and then close feeding spraying pump, refrigeration unit and flexible conveyer belt switch as no longer carried out precooling, completing precooling.
Above-described embodiment is the present invention's preferably embodiment; but embodiments of the present invention are not restricted to the described embodiments; change, the modification done under other any does not deviate from Spirit Essence of the present invention and principle, substitute, combine, simplify; all should be the substitute mode of equivalence, be included within protection scope of the present invention.
Claims (10)
1. one kind is soaked the compound pre-cooling device of spray, it is characterized in that: comprise pre-cooling casing, the flexible conveyer belt be arranged on described pre-cooling casing, height adjustable conveyer belt bearing, be arranged at spray thrower, power set and refrigeration unit above described flexible conveyer belt, described flexible conveyer belt is connected with described power set, and flexible conveyer belt is arranged on described conveyer belt bearing.
2. soak the compound pre-cooling device of spray according to claim 1, it is characterized in that: pre-cooling casing is equipped with Height Adjustable door-plate on conveyer belt input port and delivery outlet.
3. soak the compound pre-cooling device of spray according to claim 1, it is characterized in that: described spray thrower is included in spray line above flexible conveyer belt, for extracting the feeding spraying pump of the cold water in pre-cooling casing and connecting the transmission water pipe of described spray line and feeding spraying pump.
4. soak the compound pre-cooling device of spray according to claim 1, it is characterized in that: described pre-cooling bottom half is provided with removable scroll wheel, also comprise the bacterium virus killing device that disappears for the bacterium virus killing that disappears to the water in pre-cooling casing.
5. soak the compound pre-cooling device of spray according to claim 1, it is characterized in that: also comprise the control system primarily of fruits and vegetables temperature sensor, cooling-water temperature sensor, controller, relay and control circuit composition, control system is connected with described power set, refrigeration unit and spray thrower, control circuit is connected with controller and relay respectively, and fruits and vegetables temperature sensor is connected with controller with cooling-water temperature sensor.
6. soak the compound pre-cooling device of spray according to claim 1, it is characterized in that: described conveyer belt bearing comprises stay and Height Adjustment bar, and stay is supported on flexible conveyer belt two ends, and Height Adjustment bar is supported in the middle part of flexible conveyer belt.
7. soak the compound pre-cooling device of spray according to claim 6, it is characterized in that: the movable post that described Height Adjustment bar comprises pedestal, adjustment column and is connected with flexible conveyer belt, pedestal axially offers trepanning, radial direction offers adjusting hole, movable post offers connecting hole, movable post is connected in trepanning, and to be put in connecting hole through adjusting hole by adjustment column and be connected on pedestal, and described adjusting hole and/or connecting hole are at least two.
8. according to claim 6 or 7, soak the compound pre-cooling device of spray, it is characterized in that: the stay being supported on described flexible conveyer belt one end has cooperation distressed structure, described cooperation distressed structure comprises chute and slide block, and slide block is connected with stay and chute respectively.
9. soak the compound pre-cooling device of spray according to claim 1, it is characterized in that: also comprise the fruits and vegetables baffle conveying be connected on described flexible conveyer belt.
10. soak the compound pre-cooling device of spray according to claim 9, it is characterized in that: described fruits and vegetables baffle conveying is horizontally set, be longitudinally also provided with dividing plate, between fruits and vegetables baffle conveying and dividing plate, form rest area.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410025923.2A CN103749655B (en) | 2014-01-20 | 2014-01-20 | A kind of immersion sprays compound pre-cooling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410025923.2A CN103749655B (en) | 2014-01-20 | 2014-01-20 | A kind of immersion sprays compound pre-cooling device |
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| Publication Number | Publication Date |
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| CN103749655A CN103749655A (en) | 2014-04-30 |
| CN103749655B true CN103749655B (en) | 2015-08-19 |
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| CN201410025923.2A Expired - Fee Related CN103749655B (en) | 2014-01-20 | 2014-01-20 | A kind of immersion sprays compound pre-cooling device |
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Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105285068B (en) * | 2015-09-17 | 2019-04-30 | 北京市农林科学院 | Immersion pre-cooling machine |
| CN105831235A (en) * | 2016-04-01 | 2016-08-10 | 北京市农林科学院 | Spray-type fruit and vegetable cold water cooling device and method |
| CN105867460B (en) * | 2016-04-20 | 2018-11-02 | 北京市农林科学院 | A kind of temprature control method of pre-cooling device |
| TWI659695B (en) * | 2017-06-27 | 2019-05-21 | 財團法人上銀科技教育基金會 | Litchi fruit processing device and using method thereof |
| CN108850130A (en) * | 2018-04-09 | 2018-11-23 | 华南农业大学 | A kind of fruits and vegetables place of production fast precooling device |
| CN109730141B (en) * | 2019-01-15 | 2022-07-05 | 华南农业大学 | Fruit sprays precooling apparatus based on cold-storage tank |
| CN110506960B (en) * | 2019-09-17 | 2023-06-16 | 山东省农业科学院农产品研究所 | System and method for tunnel precooling, cleaning and fresh-keeping of fruits by using potential water |
| CN110506959A (en) * | 2019-09-17 | 2019-11-29 | 山东省农业科学院农产品研究所 | With subacidity electrolyzed oxidizing water to the system and method for fruit precooling and cleaning and fresh-keeping |
| CN110742118A (en) * | 2019-11-30 | 2020-02-04 | 重庆德庄农产品开发有限公司 | Cooling device for food |
| CN111616206B (en) * | 2020-06-08 | 2023-04-11 | 安徽省皖江蔬菜产业技术研究院有限责任公司 | Grading precooling device and method for vegetable storage |
| CN112275565B (en) * | 2020-10-10 | 2021-09-17 | 山东省轻工工程学校 | Automatic treatment device and method for aluminum alloy self-lubricating surface |
| CN112400983B (en) * | 2020-11-30 | 2024-01-05 | 山东建筑大学 | Falling film spraying fruit and vegetable precooling system and method |
| CN115363088B (en) * | 2022-08-25 | 2023-09-22 | 郑州凯雪冷链股份有限公司 | Energy-saving fruit and vegetable precooling device |
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| EP0632240A1 (en) * | 1993-07-01 | 1995-01-04 | Hubert De Vries | Cooling and humidification device for cold rooms |
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Granted publication date: 20150819 Termination date: 20210120 |