CN106615055A - Movable cold storage type pressure-difference precooling device - Google Patents
Movable cold storage type pressure-difference precooling device Download PDFInfo
- Publication number
- CN106615055A CN106615055A CN201710003208.2A CN201710003208A CN106615055A CN 106615055 A CN106615055 A CN 106615055A CN 201710003208 A CN201710003208 A CN 201710003208A CN 106615055 A CN106615055 A CN 106615055A
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- CN
- China
- Prior art keywords
- storage
- differential pressure
- cold drop
- pressure precooling
- refrigeration unit
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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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
Abstract
The invention discloses a movable cold storage type pressure-difference precooling device, which comprises a cooling unit, a cold storage pool and a pressure-difference precooler, wherein an equipment room is arranged at the inner left end of the pressure-difference precooler, and a heat-preservation door is arranged at the right end; a heat exchanger, an air supply fan, an air return fan and a cold storage agent pump are arranged in the equipment room; an air supply opening is formed in the upper part of the right side of the equipment room, and an air return opening is formed in the lower part; the heat exchanger is arranged in the middle of the equipment room; the air supply fan is arranged at the air supply opening; the air return fan is arranged at the air return opening; the cooling unit is connected with the cold storage pool through a first connecting pipe; the cold storage pool is connected with the heat exchanger through a second connecting pipe; the heat exchanger is connected with the cold storage agent pump; the cold storage agent pump is connected with the cold storage pool through the second connecting pipe. According to the movable cold storage type pressure-difference precooling device, cold storage and precooling manners are combined according to a practical condition and requirements of a production place, so that requirements on field power are reduced, and the application range of the cold storage type pressure-difference precooling device is widened.
Description
Technical field
The present invention relates to agricultural product storage technique field, more particularly to a kind of moveable cool-storage type differential pressure precooling device.
Background technology
Precooling is the first step that good temperature environment is created to agricultural product, in order to keep the freshness of agricultural product and extend storage
Hide and shelf life, it is more short better to the time interval of precooling from harvesting, preferably at source carry out immediately.After agricultural product harvesting
At normal temperatures the length of residing time has vital impact to its shelf-life, particularly those tender and lovely, nutrition of tissue and
Economic worth is high, adopt the agricultural product of rear short life with greater need for timely precooling.Pressure reduction pre-cooling is being produced using certain device
Product packaging both sides form pressure differential, strengthen flow of cold air, and with product heat exchange is fully contacted, and rapidly remove the precooling skill of place of production heat
Art.At present the technology is applied in pre-cooling.For differential pressure precooling is compared to freezer precooling, can be significantly shorter
Cool time, while cooling down uniformly, without dead angle.
Existing differential pressure precooling device is mainly formed by the transformation of common refrigeration storehouse, without special pressure reduction ventilating system, cooling
Speed is slow and uneven.In addition, inconvenience is fixed or carried in its position, it is difficult to realize place of production precooling in time in field.Mesh
The packaged type differential pressure precooling device of front development arranges refrigeration system inside it, expands its use range.Publication No.
The Chinese patent literature of CN202807544U discloses a kind of moving containers formula differential pressure precooling device, including thermal-insulating body,
One end of thermal-insulating body is provided with canyon, and in equipment room refrigeration plant is provided with, and is provided with the inside of thermal-insulating body and system
The air-cooler that cool equipment connects.The pre-cooler can realize the place of production by vehicle-mounted transport as TEU (Twenty-foot Equivalent Unit) to field
Precooling.Publication No. CN104397146A Chinese patent literature discloses a kind of portable differential pressure precooling device with low-temperature receiver,
Including scalable the library and canyon, condensation unit, evaporimeter, fan are installed in equipment room, scalable the library top is arranged
There is air outlet, fan is installed at air outlet, scalable the library bottom is provided with the return air inlet connected with canyon.The invention
Pre-cooler can not rely on the presence of place of production device for cooling, and can be pre- according to how many regulation fruits and vegetables of institute's precooling fruits and vegetables amount
Cold space.
By arranging refrigeration system in packaged type differential pressure precooling device, its dependence to freezer, Ke Yishi are reduced
Now move freely so that it is using becoming to facilitate very much.But, most of rapid test papers lack electric power, largely the upper limit
The use of packaged type differential pressure precooling device is made.Therefore, design a kind of moveable cool-storage type differential pressure precooling device and seem non-
It is often important.
The content of the invention
It is an object of the present invention to provide a kind of moveable cool-storage type differential pressure precooling device, is produced by storing up cold drop
Agent for storage of coldness as low-temperature receiver, to improve applicability of the differential pressure precooling device in rapid test paper.
To reach above-mentioned purpose, the present invention adopts following technical proposals：
A kind of moveable cool-storage type differential pressure precooling device, the device includes refrigeration unit, storage cold drop and differential pressure precooling storage；
Left end inside the differential pressure precooling storage is provided with canyon, and right-hand member is provided with thermal insulating door thermally insulated door；
Include heat exchanger, breeze fan, return air fan and agent for storage of coldness pump in the equipment room；
The right upper portion of the canyon is provided with air outlet, and bottom is provided with return air inlet；The centre of canyon is provided with heat exchanger；
Breeze fan is set at the air outlet；
Return air fan is set at the return air inlet；
The refrigeration unit is by the first connecting tube connection storage cold drop；
The storage cold drop connects heat exchanger by the second connecting tube；
The heat exchanger agent for storage of coldness pump connection；
The agent for storage of coldness pump is by the second connecting tube connection storage cold drop.
Further, it is provided with agent for storage of coldness inside the storage cold drop.
Because the selection of agent for storage of coldness can affect to store up cold drop and the heat transfer effect in heat exchanger, therefore as preferable cold-storage
It is big that agent should possess specific heat capacity, pollution-free, nontoxic, cheap, can Reusability, the advantages of storage is simple with using method；
Preferably, the agent for storage of coldness is frozen water to the present invention.
Further, the cool-storage type differential pressure precooling device also include refrigeration unit imported valve, refrigeration unit outlet valve,
Storage cold drop imported valve and storage cold drop outlet valve；
The refrigeration unit passes sequentially through refrigeration unit imported valve, the first connecting tube, storage cold drop and refrigeration unit outlet
The closed circuit of agent for storage of coldness when valve forms cold-storage；
The storage cold drop passes sequentially through storage cold drop imported valve, the second connecting tube, heat exchanger, agent for storage of coldness pump and storage cold drop and goes out
The closed circuit of agent for storage of coldness when mouth valve forms precooling.
Further, because the building enclosure radiating of differential pressure precooling storage can have a huge impact to precooling effect and energy consumption；
Therefore in order to reduce the radiating of the building enclosure, heat-insulation plate for external is installed outside differential pressure precooling storage.
Heat-insulation plate for external is provided with outside the differential pressure precooling storage.
Further, the refrigeration unit, storage cold drop and differential pressure precooling storage lower section are mounted on universal wheel, are moved easily.
Further, first connecting tube and the second connecting tube are double end copper cap thread flexible pipe.
Further, the heat exchanger is tubular structure.
Further, the heat exchanger is by one or more straight tube, around finned tube, the additional fin of coiled pipe, many straight tube sets
One or more compositions in fin.
Further, the refrigeration unit, storage cold drop and differential pressure precooling storage may be split into three independent units.
Refrigeration unit is positioned over the sufficient region of electric power by the present invention, and differential pressure precooling storage is positioned over agricultural product field,
Connecting storage cold drop with refrigeration unit during low ebb electricity price carries out cold-storage, completes storage cold drop to be transported to field and pressure after cold-storage
Difference pre- freezer connection carries out rapid test paper precooling, after completing precooling, will storage cold drop split the sufficient region of transport telegram in reply power with
Refrigeration unit connection carries out cold-storage, so repeatedly.
Further, the agent for storage of coldness pump is CHP.
Beneficial effects of the present invention are as follows：
1st, the present invention combines cold-storage and the mode of precooling according to actual conditions and place of production demand, reduces to field ground
The demand of head electric power, expands the use range of cool-storage type differential pressure precooling device.
2nd, the present invention utilizes low ebb electricity price cold-storage, not only saves the electricity charge, and also acts the effect of electrical network peak load shifting
Really.
Description of the drawings
The specific embodiment of the present invention is described in further detail below in conjunction with the accompanying drawings.
Fig. 1 shows a kind of moveable cool-storage type differential pressure precooling device structural representation.
Wherein, 1：Refrigeration unit, 2：Storage cold drop, 3：Differential pressure precooling storage, 4：Canyon, 5：Breeze fan, 6：Air outlet, 7：
Heat exchanger, 8：Refrigeration unit imported valve, 9：First connecting tube, 10：Storage cold drop imported valve, 11：Second connecting tube, 12：Protect
Wen Men, 13：Refrigeration unit outlet valve, 14：Universal wheel, 15：Storage cold drop outlet valve, 16：Agent for storage of coldness pump, 17:Return air fan,
18:Return air inlet.
Specific embodiment
In order to be illustrated more clearly that the present invention, the present invention is done further with reference to preferred embodiments and drawings
It is bright.Similar part is indicated with identical reference in accompanying drawing.It will be appreciated by those skilled in the art that below institute is concrete
The content of description is illustrative and be not restrictive, and should not be limited the scope of the invention with this.
Embodiment 1
As shown in figure 1, a kind of moveable cool-storage type differential pressure precooling device, the device includes refrigeration unit 1, storage cold drop 2
With differential pressure precooling storage 3；
Left end inside the differential pressure precooling storage 3 is provided with canyon 4, and right-hand member is provided with thermal insulating door thermally insulated door 12；
Include heat exchanger 7, breeze fan 5, return air fan 17 and agent for storage of coldness pump 16 in the canyon 4；The canyon 4
Right upper portion be provided with air outlet 6, bottom is provided with return air inlet 18；The centre of canyon 4 is provided with heat exchanger 7；At the air outlet 6
Breeze fan 5 is set；
Return air fan 17 is set at the return air inlet 18；
The refrigeration unit 1 is by the connection storage cold drop 2 of the first connecting tube 9；
The storage cold drop 2 connects heat exchanger 7 by the second connecting tube 11；
The agent for storage of coldness pump 16 of the heat exchanger 7 connects；
The agent for storage of coldness pump 16 is by the connection storage cold drop 2 of the second connecting tube 11.
The cool-storage type differential pressure precooling device also includes refrigeration unit imported valve 8, refrigeration unit outlet valve 13, Chu Leng
Pond imported valve 10 and storage cold drop outlet valve 15；
The refrigeration unit 1 passes sequentially through refrigeration unit imported valve 8, the first connecting tube 9, storage cold drop 2 and refrigeration unit
Outlet valve 13 forms closed circuit；The storage cold drop 2 passes sequentially through storage cold drop imported valve 10, the second connecting tube 11, heat exchange
Device 7, agent for storage of coldness pump 16 and storage cold drop outlet valve 15 form closed circuit；
Agent for storage of coldness is provided with inside the storage cold drop 2；The agent for storage of coldness is frozen water；The agent for storage of coldness pump 16 is CHP；
Heat-insulation plate for external is provided with outside the differential pressure precooling storage 3；
The refrigeration unit 1, storage cold drop 2 and the lower section of differential pressure precooling storage 3 are mounted on universal wheel 14；
The connecting tube 11 of first connecting tube 9 and second is double end copper cap thread flexible pipe；
The heat exchanger 7 is tubular structure.
During work, the refrigeration unit 1 is positioned over the sufficient region of electric power, during low ebb electricity price by the refrigeration unit 1 according to
It is secondary by refrigeration unit imported valve 8, the first connecting tube 9, storage cold drop 2 and refrigeration unit outlet valve 13 formed cold-storage when cold-storage
Agent closed circuit；Refrigeration unit 1 is opened, agent for storage of coldness is in the storage inside phase change cold-storage of cold drop 2；After completing cold-storage, refrigeration is closed successively
Unit imported valve 8, refrigeration unit 1 and refrigeration unit outlet valve 13；Then refrigeration unit 1 is separated with storage cold drop 2；
The storage cold drop 2 for completing cold-storage is transported to field, then the storage cold drop 2 storage cold drop import is passed sequentially through into
Agent for storage of coldness closure ring when valve 10, the second connecting tube 11, heat exchanger 7, agent for storage of coldness pump 16, storage cold drop outlet valve 15 form precooling
Road；The agent for storage of coldness will be circulated in storage cold drop 2 and heat exchanger 7, with return air wind when agent for storage of coldness flows in heat exchanger 7
Machine 17 carries out heat exchange from the air that return air inlet 18 is aspirated back, and the air after cooling is sent by breeze fan 5 from air outlet 6
Enter agricultural product placement area carries out precooling to farm product, while thermal insulating door thermally insulated door 12 is installed on the opposite of air outlet 6 and return air inlet 18,
Leaked with the cold for preventing differential pressure precooling storage 3；
After completing agricultural product precooling, storage cold drop outlet valve 15, agent for storage of coldness pump 16, storage cold drop 2 and storage cold drop are closed successively
Imported valve 10, then storage cold drop 2 is split transport telegram in reply power abundance region and is connected with refrigeration unit 1 and carries out cold-storage, so repeatedly.
Embodiment 2
A kind of moveable cool-storage type differential pressure precooling device is as described in Example 1.
Moveable cool-storage type differential pressure precooling device is placed on into field, makes the refrigeration unit 1 pass sequentially through system
Agent for storage of coldness closure ring when cold group imported valve 8, the first connecting tube 9, storage cold drop 2 and refrigeration unit outlet valve 13 form cold-storage
Road；And by it is described storage cold drop 2 pass sequentially through storage cold drop imported valve 10, the second connecting tube 11, heat exchanger 7, agent for storage of coldness pump 16,
Agent for storage of coldness closed circuit when storage cold drop outlet valve 15 forms precooling；
During low electric paddy, opening refrigeration unit 1, refrigeration unit imported valve 8 and refrigeration unit outlet valve 13 carries out cold-storage；
After completing cold-storage, refrigeration unit imported valve 8, refrigeration unit 1 and refrigeration unit outlet valve 13 are closed successively；Need in agricultural product
When wanting precooling, open storage cold drop imported valve 10, agent for storage of coldness pump 16 and storage cold drop outlet valve 15, agent for storage of coldness will circulate in
In storage cold drop 2 and heat exchanger 7, the sky that agent for storage of coldness is aspirated back with return air fan 17 during flowing in heat exchanger 7 from return air inlet 18
Gas is exchanged heat, and the air after cooling sends into agricultural product placement area to agriculture by the effect of breeze fan 5 from air outlet 6
Field product carry out precooling, while thermal insulating door thermally insulated door 12 is installed on the opposite of air outlet 6 and return air inlet 18, to prevent differential pressure precooling storage 3
Cold is leaked.After completing agricultural product precooling, storage cold drop outlet valve 15, agent for storage of coldness pump 16 and storage cold drop imported valve are closed successively
10.Refrigeration unit 1, refrigeration unit imported valve 8 and refrigeration unit outlet valve 13 are then turned in low ebb electricity price carries out cold-storage,
So repeatedly.
Description orientation employed in herein word " on ", D score, "left", "right" etc. be for explanation facilitate base
For orientation in the accompanying drawing shown in drawing, in actual device these orientation because of device disposing way and
It is different.
Obviously, the above embodiment of the present invention is only intended to clearly illustrate example of the present invention, and is not right
The restriction of embodiments of the present invention, for those of ordinary skill in the field, may be used also on the basis of the above description
To make other changes in different forms, all of embodiment cannot be exhaustive here, it is every to belong to this
Obvious change that bright technical scheme is extended out changes row still in protection scope of the present invention.
Claims (9)
1. a kind of moveable cool-storage type differential pressure precooling device, it is characterised in that the device includes refrigeration unit (1), storage cold drop
(2), differential pressure precooling storage (3), the first connecting tube (9) and the second connecting tube (11)；
The internal left end of the differential pressure precooling storage (3) is provided with canyon (4), and right-hand member is provided with thermal insulating door thermally insulated door (12)；
Include heat exchanger (7), breeze fan (5), return air fan (17) and agent for storage of coldness pump (16) in the canyon (4)；
The right upper portion of the canyon (4) is provided with air outlet (6), and bottom is provided with return air inlet (18)；The centre of canyon (4) sets
There is heat exchanger (7)；
Air outlet (6) place arranges breeze fan (5)；
Return air inlet (18) place arranges return air fan (17)；
The refrigeration unit (1) is by the first connecting tube (9) connection storage cold drop (2)；
Storage cold drop (2) connects heat exchanger (7) by the second connecting tube (11)；
Heat exchanger (7) agent for storage of coldness pump (16) connection；
The agent for storage of coldness pump (16) is by the second connecting tube (11) connection storage cold drop (2).
2. cool-storage type differential pressure precooling device according to claim 1, it is characterised in that is provided with inside the storage cold drop (2)
Agent for storage of coldness；The agent for storage of coldness is frozen water.
3. cool-storage type differential pressure precooling device according to claim 1, it is characterised in that the device also enters including refrigeration unit
Mouth valve (8), refrigeration unit outlet valve (13), storage cold drop imported valve (10) and storage cold drop outlet valve (15)；
The refrigeration unit (1) passes sequentially through refrigeration unit imported valve (8), the first connecting tube (9), storage cold drop (2) and refrigeration
Machine set outlet valve (13) forms closed circuit；
Storage cold drop (2) passes sequentially through storage cold drop imported valve (10), the second connecting tube (11), heat exchanger (7), agent for storage of coldness pump
(16) and storage cold drop outlet valve (15) formed closed circuit.
4. cool-storage type differential pressure precooling device according to claim 1, it is characterised in that the differential pressure precooling storage (3) is outside
It is provided with heat-insulation plate for external.
5. cool-storage type differential pressure precooling device according to claim 1, it is characterised in that the refrigeration unit (1), storage cold drop
(2) and below differential pressure precooling storage (3) it is mounted on universal wheel (14).
6. cool-storage type differential pressure precooling device according to claim 1, it is characterised in that first connecting tube (9) and
Two connecting tubes (11) are double end copper cap thread flexible pipe.
7. cool-storage type differential pressure precooling device according to claim 1, it is characterised in that the heat exchanger (7) is tubular type knot
Structure.
8. cool-storage type differential pressure precooling device according to claim 1, it is characterised in that the refrigeration unit (1), storage cold drop
And differential pressure precooling storage (3) may be split into three independent units (2).
9. the cool-storage type differential pressure precooling device according to claim 1 or 3, it is characterised in that the agent for storage of coldness pump (16) is
CHP.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710003208.2A CN106615055A (en) | 2017-01-03 | 2017-01-03 | Movable cold storage type pressure-difference precooling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710003208.2A CN106615055A (en) | 2017-01-03 | 2017-01-03 | Movable cold storage type pressure-difference precooling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106615055A true CN106615055A (en) | 2017-05-10 |
Family
ID=58842493
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710003208.2A Pending CN106615055A (en) | 2017-01-03 | 2017-01-03 | Movable cold storage type pressure-difference precooling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106615055A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203100025U (en) * | 2012-12-25 | 2013-07-31 | 中国科学院广州能源研究所 | Movable separated-type water cooling storage device |
| CN103662476A (en) * | 2013-12-27 | 2014-03-26 | 广州拜尔空港冷链物流中心有限公司 | Cold accumulation type refrigerated transporting system and refrigerating method |
| CN204305971U (en) * | 2014-12-08 | 2015-05-06 | 天津商业大学 | A kind of portable differential pressure precooling device with low-temperature receiver |
| CN205573723U (en) * | 2016-05-05 | 2016-09-14 | 辽宁际华三五二三特种装备有限公司 | Food cold storage refrigerator wagon |
-
2017
- 2017-01-03 CN CN201710003208.2A patent/CN106615055A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203100025U (en) * | 2012-12-25 | 2013-07-31 | 中国科学院广州能源研究所 | Movable separated-type water cooling storage device |
| CN103662476A (en) * | 2013-12-27 | 2014-03-26 | 广州拜尔空港冷链物流中心有限公司 | Cold accumulation type refrigerated transporting system and refrigerating method |
| CN204305971U (en) * | 2014-12-08 | 2015-05-06 | 天津商业大学 | A kind of portable differential pressure precooling device with low-temperature receiver |
| CN205573723U (en) * | 2016-05-05 | 2016-09-14 | 辽宁际华三五二三特种装备有限公司 | Food cold storage refrigerator wagon |
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Application publication date: 20170510 |
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