CN202286093U - Split high temperature-humidity difference pre-cooling storage - Google Patents
Split high temperature-humidity difference pre-cooling storage Download PDFInfo
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- CN202286093U CN202286093U CN2011203431152U CN201120343115U CN202286093U CN 202286093 U CN202286093 U CN 202286093U CN 2011203431152 U CN2011203431152 U CN 2011203431152U CN 201120343115 U CN201120343115 U CN 201120343115U CN 202286093 U CN202286093 U CN 202286093U
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- differential pressure
- storehouse
- blower fan
- humidity
- pressure precooling
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Abstract
The utility model discloses a split high temperature-humidity difference pre-cooling storage which comprises a storage body, wherein a high temperature-humidity difference pre-cooling device is arranged in the storage body and comprises a box body; a fan is arranged at an air outlet end of the box body; an evaporator and a spraying device are arranged at an air inlet end of the box body; the spraying device comprises a circular water pump and a spraying pipe connected with the circular water pump; a spraying port is arranged in one end of the spraying pipe, which is away from the circular water pump; a porous wet film is arranged below the spraying port; and a compressor set is arranged outside the storage body and is connected with the evaporator through a pipeline. The evaporator is arranged in the high temperature-humidity difference pre-cooling device for refrigerating and cooling flowing high-humidity air in the box body, so that air blown into a cold storage is high-humidity cold air which can be used for directly cooling fruits and vegetables in the cold storage without using an air cooler arranged in the cold storage, further a high temperature-humidity difference pre-cooling system for the fruits and vegetables is greatly simplified and the investment cost is saved simultaneously.
Description
Technical field
The utility model relates to a kind of differential pressure precooling storehouse, relates to a kind of differential pressure precooling storehouse of adopting split type high-humidity differential pressure precooling device specifically.
Background technology
Fruits and vegetables precooling mode mainly contains vacuum pre-cooling, differential pressure precooling, high-humidity differential pressure precooling, forced ventilation precooling, cold water precooling and ice precooling.Differential pressure precooling is because of the precooling of suitable various vegetables and fruit, and cooling velocity is faster than forced ventilation precooling, and precooling is even, and percentage of water loss is little and receive extensive use.The differential pressure precooling general fashion is: pile up the vegetable and fruit packaging case in freezer, be provided with air-cooler in the freezer and freeze; Vegetable and fruit packaging case two STHs that ventilate; And packing case needs to pile up in the both sides, air channel by special piling mode; Make two sides of vegetable and fruit packaging case in the storehouse produce pressure differential through ventilation unit, the cold air of air-cooler manufacturing in the storehouse is passed through from packing case inside, directly contact fruit and vegetable surfaces and cool off.
Existing fruits and vegetables differential pressure precooling storehouse also comprises differential pressure precooling device usually except the storehouse body; Differential pressure precooling device is made up of two parts; A part is a ventilation unit, and its formation is generally casing, blower fan, inlet and outlet, sprayer unit, tarpaulin keep out the wind roller shutter and some respective accessory; Also having part is refrigerating plant, is generally the air-cooler that is placed in the freezer.
Adopt the differential pressure precooling storehouse of this mode; Mainly form except that the storehouse is external by ventilation unit and refrigerating plant two parts; The initial investment cost is higher on the one hand, more complicated is installed on the other hand, in addition; The highly humid air that ventilation unit produces could effectively cool off fruits and vegetables after need combining with the Cryogenic air in the storehouse, and cooling effectiveness is not very high.This in addition precooling mode is because the rotating speed of blower fan is constant, and the demand to wind speed is different in precooling process in fact, when precooling during the initial stage; Need bigger wind speed that fruits and vegetables are cooled off rapidly; When precooling during the later stage, fruits and vegetables are cooled to the temperature set basically, this moment as use bigger wind speed again; The fruit and vegetable surfaces dehydration is quickened, be unfavorable for guaranteeing the quality of fruits and vegetables.
The utility model content
For overcoming above-mentioned defective, the utility model aims to provide a kind of cost of investment and economizes, the split type high-humidity differential pressure precooling storehouse of good cooling results.
For achieving the above object, the technical scheme that the utility model adopts is: a kind of split type high-humidity differential pressure precooling storehouse comprises the storehouse body; Be provided with high-humidity differential pressure precooling device in the body of said storehouse, said high-humidity differential pressure precooling device comprises casing, and the air opening end of said casing is provided with blower fan; The air inlet end of said casing is provided with evaporimeter and spray equipment; Said spray equipment comprises water circulating pump and the coupled shower that connects, and said shower is provided with mouth spray with the end that water circulating pump leaves mutually, and said mouth spray below is provided with the porous wet film; The external Condensing units that is provided with in said storehouse, said Condensing units is connected through pipeline with evaporimeter.
The high-humidity differential pressure precooling device of the utility model also comprises speed Control mechanism, said speed Control mechanism and blower fan control connection.
Said blower fan is axial flow blower, flow-mixing blower fan or centrifugal blower.
Said speed Control mechanism is speed setting controller or frequency-variable controller.
Be provided with water collection device between said blower fan and the porous wet film.
The bottom of said casing is provided with drip pan, is provided with water level controller in the said drip pan.
Adopted the split type high-humidity differential pressure precooling storehouse of the utility model; Because in differential pressure precooling device, being provided with evaporimeter carries out refrigeration cool-down to the mobile highly humid air in the casing; Making the air that is blown in the freezer is the high humidity cold air, can directly cool off the fruits and vegetables in the freezer, and air-cooler can be set in freezer; Simplify the fruit and vegetable high-humidity differential pressure precooling system greatly, also practiced thrift cost of investment simultaneously.In addition, the rotating speed of blower fan is controlled, can greatly be reduced the energy consumption of this fruit and vegetable high-humidity differential pressure precooling device through speed Control mechanism.
Description of drawings
Fig. 1 is the structural representation of the utility model.
Among the figure: 1-storehouse body, 2-high-humidity differential pressure precooling device, 3-Condensing units, 4-pipeline, 5-evaporimeter; 6-speed Control mechanism, 7-water collection device, 8-drip pan, 9-water level controller, 11-casing; The 12-air outlet, 13-blower fan, 14-air inlet, 15-spray equipment; The 16-water circulating pump, 17-shower, 18-mouth spray, 19-porous wet film.
The specific embodiment
As shown in Figure 1; The utility model discloses a kind of split type high-humidity differential pressure precooling storehouse, comprise storehouse body 1, be provided with high-humidity differential pressure precooling device 2 in the said storehouse body 1; Said high-humidity differential pressure precooling device 2 comprises casing 11; Air outlet 12 ends of said casing 11 are provided with blower fan 13, and air inlet 14 ends of said casing 11 are provided with evaporimeter 5 and spray equipment 15, and said spray equipment 15 comprises water circulating pump 16 and the coupled shower that connects 17; Said shower 17 is provided with mouth spray 18 with the end that water circulating pump 16 leaves mutually; Said mouth spray 18 belows are provided with porous wet film 19, are provided with Condensing units 3 outside the said storehouse body 1, and said Condensing units 3 is connected through pipeline 4 with evaporimeter 5.
During concrete work, at first start high-humidity differential pressure precooling device 2 and Condensing units 3, drive evaporimeter 5 after Condensing units 3 starts and freeze; Simultaneously, blower fan 13 starts with spray equipment 15, and is unrestrained to porous wet film 19 from the water of mouth spray 18 ejections; Under the effect of porous wet film 19, there is part moisture content to be evaporated rapidly and the formation highly humid air, simultaneously; In water evaporates, take away the part heat, highly humid air is played certain cooling effect.Meanwhile; The Cryogenic air band that blower fan 13 produces evaporimeter 5 is to porous wet film 19 directions; Form the low temperature high temperature air, can directly cool off, save the air-cooler that differential pressure precooling storehouse domestic demand is equipped with fruits and vegetables right in the storehouse body 1; Simplify differential pressure precooling storehouse system greatly, also saved the initial outlay cost in differential pressure precooling storehouse simultaneously.
Because fruits and vegetables demand to wind speed in precooling process is different; When precooling during the initial stage, need bigger wind speed that fruits and vegetables are cooled off rapidly, when precooling during the later stage; Fruits and vegetables cool off and near design temperature basically; On the contrary can make fruit and vegetable surfaces dehydration quicken as using bigger wind speed again this moment, is unfavorable for guaranteeing the quality of fruits and vegetables.The utility model also comprises speed Control mechanism 6, said speed Control mechanism 6 and blower fan 13 control connections.Through the control of 6 pairs of blower fan 13 rotating speeds of speed Control mechanism, realize that the wind speed in precooling initial stage and precooling later stage changes.As adopting bigger wind speed at the precooling initial stage, fruits and vegetables are cooled off rapidly, adopt less wind speed in the precooling later stage, reduce the percentage of water loss of fruits and vegetables, make whole precooling process more efficient, energy-conservation.
The mode that the rotating speed of 6 pairs of blower fans 13 of speed Control mechanism is controlled can for: blower fan 13 can be how fast blower fan, and speed Control mechanism 6 is many speed control system switches.Usually blower fan 13 can adopt double speed or three-speed motor, control through the rotating speed of 6 pairs of blower fans 13 of speed Control mechanism, thereby the wind speed of realizing whole ventilation unit changes.
In practical application, said blower fan 13 is axial flow blower, flow-mixing blower fan or centrifugal blower.Usually under the situation of the big air quantity of needs; Said blower fan 13 may be selected to be axial flow blower; Under the situation of the big blast of needs, said blower fan 13 may be selected to be centrifugal blower, is both needing a certain amount of air quantity; Need under the situation of a certain amount of blast again simultaneously, said blower fan 13 may be selected to be flow-mixing blower fan.
The mode that the rotating speed of 6 pairs of blower fans 13 of speed Control mechanism is controlled can also adopt: said speed Control mechanism 6 is speed setting controller or frequency-variable controller.Adopt this control mode can realize the infinitely variable speeds to blower fan 13 rotating speeds, and then realize the infinitely variable speeds of whole ventilation unit wind speed field, how fast effect is better than the scheme that adopts blower fan, but cost of manufacture can strengthen.
When the water smoke of mouth spray 18 ejection unrestrained to 19 last times of porous wet film; There is the less globule of part to be inhaled to air outlet 12 by the suction of blower fan 13; For preventing that these droplets are inhaled in the freezer; Be provided with water collection device 7 between the blower fan 13 of the pre-cooler of the utility model and the porous wet film 19, droplet drops onto in the drip pan 8 under the effect of water collection device 7.
The effect of drip pan 8 is the water source as spray equipment 15 on the one hand in order to accept the droplet of drippage on the other hand, forms a closed circuit by drip pan 8, water circulating pump 16 and shower 17, is provided with water level controller 9 in the said drip pan 8.When water level was lower than setting value in the drip pan 8, the extraneous water source of water level controller 9 controls carried out water filling to drip pan 8, and in like manner, when water level was greater than setting value in the drip pan 8, the extraneous water source of water level controller 9 controls stopped drip pan 8 is carried out water filling.
Claims (6)
1. split type high-humidity differential pressure precooling storehouse; Comprise storehouse body (1); It is characterized in that being provided with high-humidity differential pressure precooling device (2) in the said storehouse body (1), said high-humidity differential pressure precooling device (2) comprises casing (11), and air outlet (12) end of said casing (11) is provided with blower fan (13); Air inlet (14) end of said casing (11) is provided with evaporimeter (5) and spray equipment (15); Said spray equipment (15) comprises water circulating pump (16) and the coupled shower that connects (17), and said shower (17) is provided with mouth spray (18) with the end that water circulating pump (16) leaves mutually, and said mouth spray (18) below is provided with porous wet film (19); Said storehouse body (1) is outer to be provided with Condensing units (3), and said Condensing units (3) is connected through pipeline (4) with evaporimeter (5).
2. split type high-humidity differential pressure precooling according to claim 1 storehouse is characterized in that it also comprises speed Control mechanism (6), said speed Control mechanism (6) and blower fan (13) control connection.
3. split type high-humidity differential pressure precooling according to claim 1 and 2 storehouse is characterized in that said blower fan (13) is axial flow blower, flow-mixing blower fan or centrifugal blower.
4. split type high-humidity differential pressure precooling according to claim 2 storehouse is characterized in that said speed Control mechanism (6) is speed setting controller or frequency-variable controller.
5. split type high-humidity differential pressure precooling according to claim 1 storehouse is characterized in that being provided with water collection device (7) between said blower fan (13) and the porous wet film (19).
6. split type high-humidity differential pressure precooling according to claim 1 storehouse is characterized in that the bottom of said casing (11) is provided with drip pan (8), is provided with water level controller (9) in the said drip pan (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203431152U CN202286093U (en) | 2011-09-14 | 2011-09-14 | Split high temperature-humidity difference pre-cooling storage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203431152U CN202286093U (en) | 2011-09-14 | 2011-09-14 | Split high temperature-humidity difference pre-cooling storage |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202286093U true CN202286093U (en) | 2012-07-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203431152U Expired - Fee Related CN202286093U (en) | 2011-09-14 | 2011-09-14 | Split high temperature-humidity difference pre-cooling storage |
Country Status (1)
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| CN (1) | CN202286093U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105135568A (en) * | 2015-09-10 | 2015-12-09 | 西安工程大学 | Humidification and evaporation cooling type fan-coil unit based on photovoltaic driving |
| CN105123899A (en) * | 2015-09-29 | 2015-12-09 | 北京市农林科学院 | Cold water cooling method for fruits and vegetables |
| CN105145797A (en) * | 2015-09-29 | 2015-12-16 | 北京市农林科学院 | High-humidity variable-air-quantity differential pressure pre-cooling method and device |
| CN105166021A (en) * | 2015-09-29 | 2015-12-23 | 北京市农林科学院 | Device for cooling fruits and vegetables with cold water |
| CN107296092A (en) * | 2017-06-20 | 2017-10-27 | 上海爱枫制冷设备有限公司 | A kind of fruits and vegetables differential pressure precooling system |
| CN116182472A (en) * | 2023-04-27 | 2023-05-30 | 中国农业大学 | Mobile cut flower differential pressure precooling system and method |
-
2011
- 2011-09-14 CN CN2011203431152U patent/CN202286093U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105135568A (en) * | 2015-09-10 | 2015-12-09 | 西安工程大学 | Humidification and evaporation cooling type fan-coil unit based on photovoltaic driving |
| CN105123899A (en) * | 2015-09-29 | 2015-12-09 | 北京市农林科学院 | Cold water cooling method for fruits and vegetables |
| CN105145797A (en) * | 2015-09-29 | 2015-12-16 | 北京市农林科学院 | High-humidity variable-air-quantity differential pressure pre-cooling method and device |
| CN105166021A (en) * | 2015-09-29 | 2015-12-23 | 北京市农林科学院 | Device for cooling fruits and vegetables with cold water |
| CN107296092A (en) * | 2017-06-20 | 2017-10-27 | 上海爱枫制冷设备有限公司 | A kind of fruits and vegetables differential pressure precooling system |
| CN116182472A (en) * | 2023-04-27 | 2023-05-30 | 中国农业大学 | Mobile cut flower differential pressure precooling system and method |
| CN116182472B (en) * | 2023-04-27 | 2023-06-27 | 中国农业大学 | Mobile cut flower differential pressure precooling system and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120704 Termination date: 20170914 |