CN106369855A - Low temperature storage warehouse refrigeration system and arrangement method - Google Patents
Low temperature storage warehouse refrigeration system and arrangement method Download PDFInfo
- Publication number
- CN106369855A CN106369855A CN201610954297.4A CN201610954297A CN106369855A CN 106369855 A CN106369855 A CN 106369855A CN 201610954297 A CN201610954297 A CN 201610954297A CN 106369855 A CN106369855 A CN 106369855A
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- China
- Prior art keywords
- low temperature
- temperature storage
- cabinet
- storage storehouse
- lateral wall
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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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B1/00—Compression machines, plants or systems with non-reversible cycle
- F25B1/005—Compression machines, plants or systems with non-reversible cycle of the single unit type
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01F—PROCESSING OF HARVESTED PRODUCE; HAY OR STRAW PRESSES; DEVICES FOR STORING AGRICULTURAL OR HORTICULTURAL PRODUCE
- A01F25/00—Storing agricultural or horticultural produce; Hanging-up harvested fruit
- A01F25/14—Containers specially adapted for storing
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B49/00—Arrangement or mounting of control or safety devices
- F25B49/02—Arrangement or mounting of control or safety devices for compression type machines, plants or systems
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Devices That Are Associated With Refrigeration Equipment (AREA)
Abstract
The invention provides a low temperature storage warehouse refrigeration system and an arrangement method and belongs to the technical field of low temperature storage treatment. The low temperature storage warehouse refrigeration system comprises a cooling cabinet, a refrigeration cabinet, an air feeding pipe, an air returning pipe and a refrigerant pipe; the cooling cabinet is installed on the upper portion of the outer side wall of a low temperature storage warehouse and is composed of an evaporator, a thermostatic expansion valve and an air feeder; the refrigeration cabinet is installed on the lower portion of the outer side wall of the low temperature storage warehouse, corresponds to the cooling cabinet in an up-down manner and is composed of a compressor, a condenser, a liquid storage device and a stop valve; the cooling cabinet and the refrigeration cabinet are connected through the refrigerant pipe; the compressor, the condenser, the liquid storage device, the stop valve, the thermostatic expansion valve and the evaporator are sequentially connected through the refrigerant pipe to form a circulation loop; and the outer wall of the low temperature storage warehouse is provided with an air feeding port and an air returning port which are correspondingly communicated with the cooling cabinet through the air feeding pipe and the air returning pipe. The refrigeration system is easy to install, convenient and fast to operate, low in cost, good in effect and easy to apply and popularize.
Description
Technical field
The invention belongs to low temperature storage processing technology field is and in particular to a kind of low temperature storage storehouse refrigeration system and arrangement side
Method.
Background technology
With the continuous improvement of living standard, people also step up to the understanding of grain quality and free of contamination requirement.
For the storage of grain, it is phased out traditional normal temperature storage, the method for medicament fumigating parasite killing, advocate Green Grain Storage.At present,
Low temperature storage be generally acknowledge in the world science, free of contamination the mean of storing grain.In recent years, some grain storage units knot of China
Close situation and the condition of itself, attempted the means of some low-temperature grain-storages treatment in accordance with local conditions, mainly have installation common air-conditioning machine, make
With large-scale grain cooling machine etc., but effect is all not ideal.Installation common air-conditioning function effect is low, and refrigeration area is little, each in reservoir area
Place's temperature difference is uneven, and cooling-down effect is inconspicuous, and need to install indoor set in storehouse, the accidents such as leak, electric leakage easily, leads to
Grain makes moist, and is also unfavorable for storing safety simultaneously.Using large-scale grain cooling machine, purchase and use cost is high, energy consumption is big, equipment
Heaviness is it is impossible to continuously use for a long time, therefore should not promote.Therefore, research and develop a kind of low cost, energy consumption is little, and effect is good, working service
Convenient, safe and reliable, be suitably applied large, medium and small silo and be easy to penetration and promotion refrigeration plant extremely urgent.
Content of the invention
In view of this, it is an object of the invention to provide a kind of low cost, energy consumption is little, and effect is good, and working service is convenient, peace
Entirely reliable, it is suitably applied large, medium and small silo and be easy to low temperature storage storehouse refrigeration system and the method for arranging of penetration and promotion.
For reaching above-mentioned purpose, the present invention is achieved through the following technical solutions:
The present invention provide a kind of low temperature storage storehouse refrigeration system, including cooling cabinet, refrigerating cabinet, ajutage, backwind tube and
Refrigerant pipe, wherein, described cooling cabinet is arranged on the lateral wall top in low temperature storage storehouse, by vaporizer, heating power expansion valve and air-supply
Machine forms, for low temperature storage storehouse is implemented with cold cycle refrigeration；Described refrigerating cabinet is arranged under the lateral wall in low temperature storage storehouse
Portion, corresponding up and down with described cooling cabinet, it is made up of compressor, condenser, reservoir and stop valve, implement for supplement heat rejecter cabinet
Cold cycle freezes；Described cooling cabinet is connected by described refrigerant pipe with refrigerating cabinet, and described compressor, condenser, reservoir,
Stop valve, heating power expansion valve, vaporizer are in turn connected to form closed circuit by described refrigerant pipe；The lateral wall in low temperature storage storehouse
It is provided with the air outlet being respectively communicated with described cooling cabinet and return air inlet by ajutage and backwind tube.
Further, it is provided with temperature inductor in described backwind tube, flow into the air themperature in backwind tube for detection, described
It is provided with controller, described controller is electrically connected with compressor and temperature sensor, for according to temperature inductor in refrigerating cabinet
Detection temperature controls described compressor to realize automatically stopping machine.
Further, it is additionally provided with flow transducer in described backwind tube, flow into the air mass flow in backwind tube, institute for detection
State controller and flow transducer and air-supply mechatronics, control pressure fan to adjust for the detection flows according to flow transducer
The air mass flow that section ajutage is discharged.
The present invention also provides a kind of method being arranged above-mentioned refrigeration system outside storage warehouse, particularly as follows: will be low
Warm storage warehouse is set to the tetragonal body structure of hollow, and is respectively provided with described in one on the surrounding lateral wall top in low temperature storage storehouse
Cooling cabinet and wherein one lateral wall bottom are provided with the refrigerating cabinet described in, and by two described cooling cabinets of Arbitrary Relative low
The longitudinal axis heteropleural arrangement of warm storage warehouse, by four described cooling cabinets respectively at its place low temperature storage storehouse one lateral wall center
Line homonymy is arranged, four described cooling cabinets is all connected by refrigerant pipe with described refrigerating cabinet, by sending of four described cooling cabinets
Level or tilt upward towards low temperature storage storehouse is connected airduct with the air outlet on the surrounding lateral wall in low temperature storage storehouse respectively,
By the backwind tube of four described cooling cabinets respectively level or towards low temperature storage storehouse diagonally downward with the surrounding in low temperature storage storehouse outside
Return air inlet connection on the wall of side.
Compared with prior art, the method have the benefit that: the present invention passes through pressure fan by cooled air
It is sent directly in storehouse, decrease loss of refrigeration capacity；And adopt efficient pressure fan, air output is big, and air supplying distance is remote, and refrigeration area is wide,
Make in storehouse temperature everywhere uniform；And do not fill any plant equipment and electric elements in storehouse, fundamentally prevent potential safety hazard, with
When prevent leak lead to store thing make moist；Also temperature inductor is set in backwind tube, can arbitrarily set in conjunction with automatic control system
Temperature controlling range, realization is stopped machine and is automatically controlled.
Other advantages of the present invention, target and feature will be illustrated to a certain extent in the following description, and
And to a certain extent, will be apparent to those skilled in the art based on to investigating hereafter, or can
To be instructed from the practice of the present invention.The target of the present invention and other advantages can be realized by description below and
Obtain.
Brief description
In order that the object, technical solutions and advantages of the present invention are clearer, below in conjunction with accompanying drawing the present invention is made into
The detailed description of one step, wherein:
Fig. 1 is the enforcement sketch of inventive refrigeration system；
Fig. 2 is the arrangement figure of inventive refrigeration system；
Fig. 3 is the arrangement top view of inventive refrigeration system；
Reference: 1- vaporizer, 2- pressure fan, 3- ajutage, 4- backwind tube, 5- heating power expansion valve, 6- stop valve, 7-
Compressor, 8- condenser, 9- reservoir, 10- stop valve, 11- refrigerant pipe, 12- cooling cabinet, 13- refrigerating cabinet, 14- grain storage line,
15- air flow, 16- storage warehouse.
Specific embodiment
Below with reference to accompanying drawing, the preferred embodiments of the present invention are described in detail；It should be appreciated that preferred embodiment
Only for the present invention is described, rather than in order to limit the scope of the invention.
As shown in figure 1, the low temperature storage storehouse refrigeration system of the present embodiment include cooling cabinet 12, refrigerating cabinet 13, ajutage 3,
Backwind tube 4 and refrigerant pipe 11, this cooling cabinet 12 is arranged on the lateral wall top in low temperature storage storehouse 16, by vaporizer 1, thermal expansion
Valve 5 and pressure fan 2 form, and for low temperature storage storehouse 16 is implemented with cold cycle refrigeration, cooling cabinet 12 is enclosures, and its outer wall is made
Isothermal holding；This refrigerating cabinet 13 is arranged on the lateral wall bottom in low temperature storage storehouse 16, corresponding about 12 with described cooling cabinet, by pressing
Contracting machine 7, condenser 8, reservoir 9 and stop valve 6, stop valve 10 form, and implement cold cycle refrigeration for supplement heat rejecter cabinet 12；
This cooling cabinet 12 is connected by refrigerant pipe 11 with refrigerating cabinet 13, and compressor 7, condenser 8, reservoir 9, stop valve 10, heating power
Expansion valve 5, vaporizer 1, stop valve 6 are in turn connected to form closed circuit by refrigerant pipe 11, and this closed circuit interior circulation is passed through
The cold-producing medium being provided by reservoir 9, and worked by compressor 7, heat is absorbed by vaporizer 1, heat released by condenser 8, real
Existing kind of refrigeration cycle；The lateral wall in low temperature storage storehouse 16 is provided with passes through what ajutage 3 and backwind tube 4 were respectively communicated with cooling cabinet 12
Air outlet (unmarked) and return air inlet (unmarked).The installation form of this refrigeration system such as Fig. 2 in this example, cooling cabinet 12 and refrigeration
Cabinet 13 is connected by refrigerant pipe 11, and the relatively warm air in storage warehouse 16 is passed through backwind tube 4 and entered in cooling cabinet 12 by return air inlet, leads to
It is changed into colder air after crossing its interior vaporizer 1, ajutage 3 is passed through by pressure fan 2 and sends in storage warehouse 16 via air outlet,
So continuous recycled back wind, to reach cooling purpose in storage warehouse.The present invention will be direct for cooled air by pressure fan
Send in storehouse, decrease loss of refrigeration capacity；And adopting efficient pressure fan, air output is big, and air supplying distance is remote, and refrigeration area is wide, makes storehouse
Inside temperature is uniform everywhere；And in storehouse, do not fill any plant equipment and electric elements, fundamentally prevent potential safety hazard, prevented simultaneously
Leak-stopping water leads to storage thing to make moist.
It should be noted that in figure part 14 is grain storage line, for controlling the upper storage control line of storage warehouse 16, and this storage
Grain line 14 is less than air outlet and the return air inlet of storage warehouse 16.And cooling cabinet 12 is located at the top grain storage line more than 14 of storage warehouse 16,
Ajutage 3 and the length of backwind tube 4 can be shortened, quick with the high temperature air that ensures the low temperature cold air of ajutage 3 and backwind tube 4
Between storage warehouse 16 and vaporizer 1 exchange, beneficial to the low temperature storage of storage warehouse 16.
In the present embodiment, in described backwind tube 4, it is provided with temperature inductor (not shown), flow in backwind tube 4 for detection
Air themperature, be provided with controller (not shown) in described refrigerating cabinet 13, described controller and compressor 7 and temperature sensor electricity
Connect, described compressor 7 can be controlled to realize it according to the detection temperature of temperature inductor and automatically stop machine.Work as temperature sense
Device detect return air temperature too high when, by the work of controller automatically starting compressor, to ensure the circulation of cryogenic refrigeration
The normal work it is ensured that vaporizer is run in loop, if when temperature inductor detect return air temperature suitable when, can by control
Device tune processed is automatically switched off compressor 7 and quits work.Described heating power expansion valve 5 itself carries temperature-sensitive bag, is automatically adjusted by temperature-sensitive bag
Section vaporizer 1 exports the degree of superheat of gaseous refrigerant, and then controls the refrigerant flow entering vaporizer 1.Work as return air temperature
When too high, automatically adjust heating power expansion valve 5 to discharge more cold-producing mediums entrance vaporizers 1 by temperature-sensitive bag, reach fast-refrigerating
Return air temperature, if when return air temperature is suitable, automatically adjusts heating power expansion valve 5 by temperature-sensitive bag and to reduce and discharge into vaporizer
Refrigerant flow, reaches the purpose of energy efficient.
In the present embodiment, in described backwind tube 4, it is additionally provided with flow transducer (not shown), flow into backwind tube 4 for detection
Interior air mass flow, described controller is electrically connected with flow transducer and pressure fan 2, can be according to the detection flows of flow transducer
Control pressure fan 2 to adjust the air mass flow of ajutage 3 discharge, to reach, effective cryogenic refrigeration circulation carried out to storage warehouse,
I.e. when storage warehouse interior temperature spends height, controller controls pressure fan can increase the mobility of air in storage warehouse so as to can obtain
The purpose of fast cooling, if in storage warehouse during proper temperature, is adapted to reduce the mobility of air in storage warehouse, reaches section
Can consumption reduction purpose, in the same manner, enter for the Various Seasonal in a year or to storage warehouse in line access also dependent on needing to dedusting
Air flow property in storehouse is adjusted.
As shown in figure 3, the present invention also provides a kind of method being arranged above-mentioned refrigeration system outside storage warehouse, tool
Body mode is: low temperature storage storehouse 16 is set to the tetragonal body structure of hollow, is certainly not limited to other structures form, such as cylinder
Body, what this case was selected is optimal case；And it is respectively provided with the cooling described on the surrounding lateral wall top in low temperature storage storehouse 16
Cabinet 12 and wherein one lateral wall bottom are provided with the refrigerating cabinet 13 described in, some cooling cabinet of setting on same lateral wall
12 with this refrigerating cabinet corresponding arrangement, and longitudinal direction in low temperature storage storehouse 16 by two of Arbitrary Relative described cooling cabinets 12 about 13
Axis heteropleural is arranged, by four described cooling cabinets 12 respectively in its place low temperature storage storehouse 16 1 lateral wall centrage homonymy cloth
Put, four described cooling cabinets 12 are all connected by refrigerant pipe 11 with described refrigerating cabinet 13.So, this refrigeration system can be made to blow out
Cooling air cover whole low temperature storage storehouse intracavity space, especially four corners, meanwhile, also can according to work need
Will, so that four cooling cabinets is worked or former and later two work or the different group such as left and right two work or only one work simultaneously
Conjunction mode.Preferably, the ajutage 3 of four described cooling cabinets 12 is respectively facing low temperature storage storehouse 16 to tilt upward and low temperature storage
Air outlet connection on the surrounding lateral wall of storage 16, the backwind tube 4 of four described cooling cabinets 12 is respectively facing low temperature storage
Being inclined and 16 connected with the return air inlet on the surrounding lateral wall in low temperature storage storehouse 16 obliquely in storehouse, so, can avoid in ajutage
The cold water that is polymerized to of cooling air enters initiation humidity in low temperature storage storehouse, and the bottom hot-air close to grain storage line can be quickly by return air inlet
Enter in backwind tube, certainly in different embodiments, this ajutage 3 and backwind tube 4 can also be horizontally disposed, as long as not shadow
Ring and use.
In another embodiment, arbitrary adjacent with or two relative cooling cabinets 12 vertical on low temperature storage storehouse 16
Highly differ, so, cooling cabinet 12 can be made to implement the heat exchange of tomography or multiple field to the air in low temperature storage storehouse 16, carry
High refrigeration.
In another embodiment, a refrigerating cabinet can also be set again, as standby consideration, so ensureing low temperature storage
In the case of the normal work of storehouse, beneficial to repair and maintenance.
Finally illustrate, above example only in order to technical scheme to be described and unrestricted, although with reference to relatively
Good embodiment has been described in detail to the present invention, it will be understood by those within the art that, can be to the skill of the present invention
Art scheme is modified or equivalent, the objective without deviating from the technical program and scope, and it all should be covered in the present invention
Right in the middle of.
Claims (4)
1. a kind of low temperature storage storehouse refrigeration system it is characterised in that: include cooling cabinet, refrigerating cabinet, ajutage, backwind tube and coolant
Pipe, wherein,
Described cooling cabinet is arranged on the lateral wall top in low temperature storage storehouse, is made up of vaporizer, heating power expansion valve and pressure fan, uses
Freeze in cold cycle is implemented to low temperature storage storehouse；
Described refrigerating cabinet is arranged on the lateral wall bottom in low temperature storage storehouse, corresponding up and down with described cooling cabinet, by compressor, condensation
Device, reservoir and stop valve composition, implement cold cycle refrigeration for supplement heat rejecter cabinet；
Described cooling cabinet is connected by described refrigerant pipe with refrigerating cabinet, and described compressor, condenser, reservoir, stop valve, heat
Power expansion valve, vaporizer are in turn connected to form closed circuit by described refrigerant pipe；The lateral wall in low temperature storage storehouse be provided with
Air outlet and return air inlet that described cooling cabinet is respectively communicated with by ajutage and backwind tube.
2. low temperature storage storehouse refrigeration system according to claim 1 it is characterised in that: be provided with temperature sense in described backwind tube
Answer device, flow into the air themperature in backwind tube for detection, in described refrigerating cabinet, be provided with controller, described controller and compressor
With temperature sensor electrical connection, described compressor is controlled to realize automatically stopping for the detection temperature according to temperature inductor
Machine.
3. low temperature storage storehouse refrigeration system according to claim 2 it is characterised in that: be additionally provided with flow in described backwind tube
Sensor, flows into the air mass flow in backwind tube, described controller and flow transducer and air-supply mechatronics for detection, uses
Pressure fan is controlled to adjust the air mass flow of ajutage discharge in the detection flows according to flow transducer.
4. the method that the refrigeration system described in any one of claim 1-3 is arranged outside storage warehouse it is characterised in that: will
Low temperature storage storehouse is set to the tetragonal body structure of hollow, and is respectively provided with described in one on the surrounding lateral wall top in low temperature storage storehouse
Cooling cabinet and wherein one lateral wall bottom be provided with refrigerating cabinet described in one, and two described cooling cabinets of Arbitrary Relative are existed
The longitudinal axis heteropleural arrangement in low temperature storage storehouse, by four described cooling cabinets respectively in its place low temperature storage storehouse one lateral wall
Heart line homonymy is arranged, four described cooling cabinets is all connected by refrigerant pipe with described refrigerating cabinet, by four described cooling cabinets
Ajutage respectively level or tilt upward towards low temperature storage storehouse and air outlet on the surrounding lateral wall in low temperature storage storehouse even
Logical, by the backwind tube difference level of four described cooling cabinets or towards the low temperature storage storehouse surrounding with low temperature storage storehouse diagonally downward
Return air inlet connection on lateral wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610954297.4A CN106369855A (en) | 2016-11-03 | 2016-11-03 | Low temperature storage warehouse refrigeration system and arrangement method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610954297.4A CN106369855A (en) | 2016-11-03 | 2016-11-03 | Low temperature storage warehouse refrigeration system and arrangement method |
Publications (1)
| Publication Number | Publication Date |
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| CN106369855A true CN106369855A (en) | 2017-02-01 |
Family
ID=57893031
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201610954297.4A Pending CN106369855A (en) | 2016-11-03 | 2016-11-03 | Low temperature storage warehouse refrigeration system and arrangement method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108679761A (en) * | 2018-05-11 | 2018-10-19 | 浙江佳中智能家居科技有限公司 | A kind of air-humidification method |
| CN110936970A (en) * | 2019-12-10 | 2020-03-31 | 株洲桓基电气股份有限公司 | Air conditioning system with return air system |
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| CN1840974A (en) * | 2005-11-23 | 2006-10-04 | 中央储备粮扬州直属库 | Lower ventilating method and apparatus for low-temperature grain storage film in bungalow barn |
| CN201078924Y (en) * | 2007-08-11 | 2008-07-02 | 罗飞天 | Externally cooling type circular current grain bin aeration cooling system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108679761A (en) * | 2018-05-11 | 2018-10-19 | 浙江佳中智能家居科技有限公司 | A kind of air-humidification method |
| CN110936970A (en) * | 2019-12-10 | 2020-03-31 | 株洲桓基电气股份有限公司 | Air conditioning system with return air system |
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Application publication date: 20170201 |