CN107296092A - A kind of fruits and vegetables differential pressure precooling system - Google Patents
A kind of fruits and vegetables differential pressure precooling system Download PDFInfo
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- CN107296092A CN107296092A CN201710472404.4A CN201710472404A CN107296092A CN 107296092 A CN107296092 A CN 107296092A CN 201710472404 A CN201710472404 A CN 201710472404A CN 107296092 A CN107296092 A CN 107296092A
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- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23B—PRESERVING, e.g. BY CANNING, MEAT, FISH, EGGS, FRUIT, VEGETABLES, EDIBLE SEEDS; CHEMICAL RIPENING OF FRUIT OR VEGETABLES; THE PRESERVED, RIPENED, OR CANNED PRODUCTS
- A23B7/00—Preservation or chemical ripening of fruit or vegetables
- A23B7/04—Freezing; Subsequent thawing; Cooling
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- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
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- Food Science & Technology (AREA)
- Polymers & Plastics (AREA)
- Devices That Are Associated With Refrigeration Equipment (AREA)
Abstract
A kind of fruits and vegetables differential pressure precooling system, including:Pre-cooling equipment, high-pressure micro-mist equipment, air cooled condenser, moisture detector, condensing pressure detector and control panel;The spout of high-pressure micro-mist equipment be respectively arranged at the air outlet of Pre-cooling equipment and air cooled condenser air inlet;Moisture detector is arranged inside Pre-cooling equipment, and condensing pressure detector is arranged at the back liquid pipeline of air cooled condenser, and moisture detector and condensing pressure detector are connected with control partitioned signal respectively;Control panel controls spout of the high-pressure micro-mist equipment at Pre-cooling equipment to be turned on and off according to the feedback signal of moisture detector, and controls spout of the high-pressure micro-mist equipment at air cooled condenser to be turned on and off according to the feedback signal of condensing pressure detector.By ingehious design high-pressure micro-mist equipment, make high-pressure micro-mist equipment that not only there is the effect humidified to Pre-cooling equipment inside, the effect of the condensation effect of also specific lifting air cooled condenser reduces the operating power consumption of air cooled condenser.
Description
Technical field
The present invention relates to pre-cooling technical field, and in particular to a kind of fruits and vegetables differential pressure precooling system.
Background technology
Differential precooling is one of common technology of pre-cooling, and differential precooling in actual applications has following lack
Fall into:1. differential precooling easily causes fruit and vegetable surfaces water loss in cooling;2. the air-cooled condensing refrigerant effect used is poor, consumption
Can, its reason is:The heat dissipation equipment that is cooled down due to air-cooled condenser using air is, it is necessary to using the place of precooling, generally
Environment temperature is higher, therefore, for air-cooled condensation, and condensing pressure is just of a relatively high, and refrigeration efficiency ratio is with regard to relatively poor, institute
The air-cooled condensation area of configuration is also relative just larger, and the refrigerating capacity of compressor is also relatively smaller.
The content of the invention
The application provides a kind of fruits and vegetables differential pressure precooling system, including Pre-cooling equipment, high-pressure micro-mist equipment, air-cooled condensation
Device, moisture detector, condensing pressure detector and control panel;
The spout of high-pressure micro-mist equipment be respectively arranged at the air outlet of Pre-cooling equipment and air cooled condenser air inlet
Place;
Moisture detector is arranged inside Pre-cooling equipment, and condensing pressure detector is arranged at the liquid back pipe of air cooled condenser
At road, and moisture detector and condensing pressure detector are connected with control partitioned signal respectively;
Control panel controls spout of the high-pressure micro-mist equipment at Pre-cooling equipment to open according to the feedback signal of moisture detector
Or close, and control spout of the high-pressure micro-mist equipment at air cooled condenser to open according to the feedback signal of condensing pressure detector
Open or close.
In a kind of embodiment, control panel controls high-pressure micro-mist equipment in Pre-cooling equipment according to the feedback signal of moisture detector
When the spout at place is opened, control panel also controls air cooled condenser to be closed
In a kind of embodiment, Pre-cooling equipment includes air-cooler, evaporator and condensation water pond;
Air-cooler several air inlets and several air outlets provided with convection current;
The notch setting of high-pressure micro-mist equipment is in several air outlets at the minimum air outlet of wind-force;
Evaporator gasification spout spray micro- mist, and not vaporized micro- mist run into condensation water pond when gasified.
In a kind of embodiment, high-pressure micro-mist equipment includes high-pressure booster and high-pressure water pipe;
High-pressure booster is arranged in high-pressure water pipe;
The one end of high-pressure water pipe away from high-pressure booster offers tie point and the second branch road, and tie point extends to cold
The air outlet of blower fan, the second branch road extends to the air inlet of air cooled condenser.
In a kind of embodiment, tie point is provided with spout below the air outlet of air-cooler, and the second branch road is in air-cooled cold
Spout is provided with below the air inlet of condenser.
In a kind of embodiment, the spout direction and the air-out direction of the air outlet of air-cooler that tie point is set are in the same direction.
In a kind of embodiment, the spout direction and the air intake direction of the air inlet of air cooled condenser that the second branch road is set are anti-
To.
In a kind of embodiment, tie point is provided with the first electromagnetic switch of the spout for being turned on and off tie point, the
Two branch roads are provided with the second electromagnetic switch of the spout for being turned on and off the second branch road, and the first electromagnetic switch and the second electromagnetism are opened
Close and be connected respectively with control partitioned signal.
In a kind of embodiment, in addition to water tank, recovery tube and drive device;
Water tank is connected with high-pressure booster;
Recovery tube one end water tank connection, the other end is connected with condensation water pond;
Drive device is arranged on recovery tube, and is connected with control partitioned signal.
In a kind of embodiment, in addition to water replanishing device, water replanishing device is connected with water tank.
According to the fruits and vegetables differential pressure precooling system of above-described embodiment, when the humidity in Pre-cooling equipment is relatively low, examined by humidity
The feedback signal of device is surveyed, control panel is controlled spout of the high-pressure micro-mist equipment at Pre-cooling equipment to open, entered with Pre-cooling equipment inside
The micro- mist humidification of horizontal high voltage, so as to carry out humidification process during reaching to pre-cooling, prevents fruit and vegetable surfaces water loss, separately
Outside, according to the feedback signal of condensing pressure detector, when condensing pressure exceedes pre-set threshold value, control panel control high-pressure micro-mist is set
The standby spout at air cooled condenser is opened, and the air progress office to air cooled condenser air inlet is realized by high-pressure micro-mist
Portion cools, so as to realize preferable condensation effect, reduces condensing pressure.
Brief description of the drawings
Fig. 1 is fruits and vegetables differential pressure precooling system schematic.
Embodiment
The present invention is described in further detail below by embodiment combination accompanying drawing.
This example provides a kind of fruits and vegetables differential pressure precooling system, by ingehious design high-pressure micro-mist equipment, makes high-pressure micro-mist equipment
Not only there is the effect humidified to Pre-cooling equipment inside, the effect of the condensation effect of also specific lifting air cooled condenser is reduced
The operating power consumption of air cooled condenser.Due to freezing under high humidity environment, evaporator condensation water is more, relatively low by recovered temperature
Condensed water as high-pressure micro-mist make-up water source, realize the comprehensive utilization of condensed water while being also multiplexed condensation cold indirectly, it is real
Existing energy saving of system.
Specifically, as shown in figure 1, including Pre-cooling equipment 1, high-pressure micro-mist equipment 2, air cooled condenser 3, Humidity Detection
Device, condensing pressure detector and control panel, wherein, the spout 21 of high-pressure micro-mist equipment 2 is respectively arranged at the air-out of Pre-cooling equipment 1
With the air inlet of air cooled condenser 3 at mouthful, moisture detector is arranged inside Pre-cooling equipment 1, and condensing pressure detector is set
At the back liquid pipeline for being placed in air cooled condenser 3, and moisture detector and condensing pressure detector connect with control partitioned signal respectively
Connect;Control panel controls spout of the high-pressure micro-mist equipment 2 at Pre-cooling equipment 1 to open or close according to the feedback signal of moisture detector
Close, and control spout of the high-pressure micro-mist equipment 2 at air cooled condenser 3 to open according to the feedback signal of condensing pressure detector
Or close.
By above-mentioned structure design and corresponding hardware controls, the dual-use function of high-pressure micro-mist equipment 2 is can be achieved with, i.e.,
Humidification function and lifting condensation effect function, specifically, high-pressure micro-mist equipment 2 realizes that the principle of humidification function is:Humidity Detection
Device can be existing humidity sensor, and moisture detector is used to detect air humidity in Pre-cooling equipment 1 and will detected
Air humidity value is built-in with comparator by transmission of wireless signals to control panel, control panel, and the comparator receives moisture detector
It is simultaneously compared by the air humidity value of detection with default minimum humidity value, if less than minimum humidity value, comparator to
Control panel sends the first trigger signal of a high level, now, and control panel controls high-pressure micro-mist to set according to first trigger signal
Standby 2 spout at Pre-cooling equipment 1 is opened, and high-pressure micro-mist equipment 2 is humidified to the inside of Pre-cooling equipment 1, in order to prevent height
The micro- mist for pressing micro- mist equipment 2 to spray becomes water droplet to the cold, while humidification or before humidification, and control panel stops refrigeration, when precooling is set
When humidity inside standby 1 reaches some setting value upper limit, then control panel closes high-pressure micro-mist 2 spray at Pre-cooling equipment 1 of equipment
Mouthful, now, control panel recovers the normal condition of refrigeration.
High-pressure micro-mist equipment 2 realizes that the principle of lifting condensation effect function is:Condensing pressure detector is used to detect air-cooled
The pressure of the back liquid pipeline of formula condenser 3, and the condensing pressure value detected is transmitted to control panel, the comparison built in control panel
Device receives the condensing pressure value and is compared it with default maximum condensing pressure value, if more than maximum condensing pressure value,
Then comparator sends the second trigger signal of a high level to control panel, now, and control panel is controlled according to second trigger signal
Spout of the high-pressure micro-mist equipment 2 at air cooled condenser 3 is opened, air inlet of the high-pressure micro-mist equipment 2 to air cooled condenser 3
High-pressure micro-mist is carried out, realizes and Local cooling cooling is carried out to the air of air inlet, so as to improve the condensation energy of air cooled condenser 3
Power, when condensing pressure detector detects condensing pressure value less than some setting value lower limit, control panel is closed high-pressure micro-mist and set
Standby 2 spout at air cooled condenser 3, closes high-pressure micro-mist spraying.
Further, the Pre-cooling equipment 1 of this example includes air-cooler 11, evaporator 12 and condensation water pond 13, and air-cooler 11 is provided with
Several air inlets of convection current and several air outlets, the notch setting of high-pressure micro-mist equipment 2 wind-force in several air outlets
At minimum air outlet, micro- mist that the gasification spout of evaporator 12 sprays.Due to normal refrigeration, many condensation flows will be produced to cold
Solidifying water pond 13, by reclaiming the condensed water, as the supplement of water tank, is fully recycled.
Further, high-pressure micro-mist equipment 2 includes high-pressure booster 21 and high-pressure water pipe 22, and high-pressure booster 21 is arranged at height
On pressure pipe 22, for will be introduced after outside water source pressurization in high-pressure water pipe 22, high-pressure water pipe 22 is away from high-pressure booster 21
One end offer the branch road 222 of tie point 221 and second, tie point 221 extends to the air outlet of air-cooler 11, second
Road 222 extends to the air inlet of air cooled condenser 3, and tie point 221 is provided with spout below the air outlet of air-cooler 11, and
The spout direction and the air-out direction of the air outlet of air-cooler 11 are in the same direction, because spout direction and air-out direction are in the same direction, accelerate
The flowing space of micro- mist, the second branch road 222 in air cooled condenser 3 air inlet below be provided with spout, and the spout direction with
The air intake direction of the air inlet of air cooled condenser 3 reversely, because spout direction and air intake direction are reverse, promotes air inlet
Air micro- mist for being sprayed with spout fully contact, be beneficial to improve the rate of gasification of micro- mist, air inlet air themperature had
Effect declines, and not vaporized micro- mist also can quickly be gasified when running into the fin of air cooled condenser 3.
In addition, in order to which progress spirit is opened or closed the border to the spout of spout respectively to tie point 221 and the second branch road 222
Living, accurate control, the tie point 221 of this example is provided with the first electromagnetic switch of the spout for being turned on and off tie point 221
4, the second branch road 222 is provided with the second electromagnetic switch 5 of the spout for being turned on and off the second branch road 222, and the first electromagnetic switch 4
It is connected respectively with control partitioned signal with the second electromagnetic switch 5, control panel is distinguished according to the first trigger signal and the second trigger signal
Being turned on and off for the first electromagnetic switch 4 and the second electromagnetic switch 5 is controlled, unlatching or the pass of respective jets just can be accurately controlled
Close.
Due to more condensed water will be produced in process of refrigerastion, water resource is made full use of in order to reclaim, the fruits and vegetables pressure of this example
Poor chilldown system also includes water tank 6, recovery tube 7 and drive device, and water tank 6 is connected with high-pressure booster 21;One end water of recovery tube 7
Case 6 is connected, and the other end is connected with condensation water pond 13;Drive device is arranged on recovery tube 7, and is connected with control partitioned signal, is driven
Dynamic device can be peristaltic pump, and control panel opens peristaltic pump, realize in condensing hot air furnace to the water tank 6 that will be condensed in water pond 13,
When the condensed water of recovery is added in high-pressure micro-mist equipment 2, reach and both made full use of condensed water, the cold of condensed water is reclaimed again
Amount.
In other embodiments, drive device can not be needed when reclaiming condensed water, e.g., water tank 6 condensed water is arranged at
The lower section of disk 13, i.e. the height of condensation water pond 13 is higher than the height of water tank 6, and a water is connected between condensation water pond 13 and water tank 6
Pipe, according to the principle from top to bottom of current, when the condensed water for condensing the memory storage of water pond 13 exceedes a certain amount of, in condensation water pond 13
Condensed water can from top to bottom be flowed into water tank 6 by water pipe.
In order to supplement water resource into water tank 6 in time, the fruits and vegetables differential pressure precooling system of this example also includes water replanishing device 8, mended
Water installations 8 are connected with water tank 6, when the insufficient water sources in water tank 6, and water can be supplemented into water tank 6 in time by water replanishing device 8
Source.
Ingehious design and the specific control of mode of operation by high-pressure micro-mist equipment, it is possible to achieve high-pressure micro-mist, which has, to be added
Wet and lifting condensation effect dual-use function, moreover, by the recovery in process of refrigerastion to condensed water, reached make full use of it is cold
Solidifying water and reclaim condensed water cold purpose, the fruits and vegetables differential pressure precooling system of this example solves during pre-cooling well
The problem of surface moisture is lost in and condensation effect is poor.
Use above specific case is illustrated to the present invention, is only intended to help and is understood the present invention, not to limit
The system present invention.For those skilled in the art, according to the thought of the present invention, it can also make some simple
Deduce, deform or replace.
Claims (10)
1. a kind of fruits and vegetables differential pressure precooling system, it is characterised in that including:Pre-cooling equipment, high-pressure micro-mist equipment, air-cooled condensation
Device, moisture detector, condensing pressure detector and control panel;
The spout of the high-pressure micro-mist equipment is respectively arranged at the air outlet of the Pre-cooling equipment and the air cooled condenser
Air inlet;
The moisture detector is arranged inside the Pre-cooling equipment, and the condensing pressure detector is arranged at the air-cooled cold
At the back liquid pipeline of condenser, and the moisture detector and condensing pressure detector are connected with the control partitioned signal respectively;
The control panel controls the high-pressure micro-mist equipment in the Pre-cooling equipment according to the feedback signal of the moisture detector
The spout at place is turned on and off, and controls the high-pressure micro-mist equipment in institute according to the feedback signal of the condensing pressure detector
The spout at air cooled condenser is stated to be turned on and off.
2. fruits and vegetables differential pressure precooling system as claimed in claim 1, it is characterised in that the control panel is according to the Humidity Detection
When spout of the feedback signal control high-pressure micro-mist equipment of device at the Pre-cooling equipment is opened, the control panel is also controlled
The air cooled condenser is closed.
3. fruits and vegetables differential pressure precooling system as claimed in claim 1, it is characterised in that the Pre-cooling equipment includes air-cooler and steaming
Send out device;
The air-cooler several air inlets and several air outlets provided with convection current;
The notch setting of the high-pressure micro-mist equipment is in several described air outlets at the minimum air outlet of wind-force;
Micro- mist that the evaporator gasification spout sprays.
4. fruits and vegetables differential pressure precooling system as claimed in claim 3, it is characterised in that the high-pressure micro-mist equipment increases including high pressure
Press pump and high-pressure water pipe;
The high-pressure booster is arranged in the high-pressure water pipe;
The one end of the high-pressure water pipe away from the high-pressure booster offers tie point and the second branch road, the tie point
The air outlet of the air-cooler is extended to, second branch road extends to the air inlet of the air cooled condenser.
5. fruits and vegetables differential pressure precooling system as claimed in claim 4, it is characterised in that the tie point is in the air-cooler
Spout is provided with below air outlet, second branch road is provided with spout below the air inlet of the air cooled condenser.
6. fruits and vegetables differential pressure precooling system as claimed in claim 5, it is characterised in that the spout direction that the tie point is set
Air-out direction with the air outlet of the air-cooler is in the same direction.
7. fruits and vegetables differential pressure precooling system as claimed in claim 6, it is characterised in that the spout direction that second branch road is set
Air intake direction with the air inlet of the air cooled condenser is reverse.
8. fruits and vegetables differential pressure precooling system as claimed in claim 7, it is characterised in that the tie point is provided with unlatching or closed
The first electromagnetic switch of the spout of the tie point is closed, second branch road, which is provided with, is turned on and off second branch road
Second electromagnetic switch of spout, and first electromagnetic switch and the second electromagnetic switch control partitioned signal to be connected with described respectively.
9. fruits and vegetables differential pressure precooling system as claimed in claim 8, it is characterised in that also including water tank, recovery tube and driving dress
Put;
The water tank is connected with the high-pressure booster;
Water tank described in described recovery tube one end is connected, and the other end is connected with the condensation water pond;
The drive device is arranged on the recovery tube, and is connected with the control partitioned signal.
10. fruits and vegetables differential pressure precooling system as claimed in claim 9, it is characterised in that also including water replanishing device, the moisturizing dress
Put and connected with the water tank.
Priority Applications (1)
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CN201710472404.4A CN107296092A (en) | 2017-06-20 | 2017-06-20 | A kind of fruits and vegetables differential pressure precooling system |
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CN201710472404.4A CN107296092A (en) | 2017-06-20 | 2017-06-20 | A kind of fruits and vegetables differential pressure precooling system |
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Family
ID=60135454
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CN201710472404.4A Pending CN107296092A (en) | 2017-06-20 | 2017-06-20 | A kind of fruits and vegetables differential pressure precooling system |
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Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN202013003U (en) * | 2011-03-14 | 2011-10-19 | 上海安悦节能技术有限公司 | Atomization cooling energy-saving control device of condenser for air cooling conditioner unit |
CN202286093U (en) * | 2011-09-14 | 2012-07-04 | 北京市农林科学院 | Split high temperature-humidity difference pre-cooling storage |
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 |
CN205071993U (en) * | 2015-09-29 | 2016-03-09 | 北京市农林科学院 | High wet variable blast volume pressure differential precooling apparatus |
-
2017
- 2017-06-20 CN CN201710472404.4A patent/CN107296092A/en active Pending
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN202013003U (en) * | 2011-03-14 | 2011-10-19 | 上海安悦节能技术有限公司 | Atomization cooling energy-saving control device of condenser for air cooling conditioner unit |
CN202286093U (en) * | 2011-09-14 | 2012-07-04 | 北京市农林科学院 | Split high temperature-humidity difference pre-cooling storage |
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 |
CN205071993U (en) * | 2015-09-29 | 2016-03-09 | 北京市农林科学院 | High wet variable blast volume pressure differential precooling apparatus |
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