CN207197227U - A kind of large-scale grain dry hot-air system - Google Patents
A kind of large-scale grain dry hot-air system Download PDFInfo
- Publication number
- CN207197227U CN207197227U CN201721080781.5U CN201721080781U CN207197227U CN 207197227 U CN207197227 U CN 207197227U CN 201721080781 U CN201721080781 U CN 201721080781U CN 207197227 U CN207197227 U CN 207197227U
- Authority
- CN
- China
- Prior art keywords
- air
- indoor set
- grain
- evaporator
- heat
- Prior art date
- 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.)
- Active
Links
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
- Y02P60/80—Food processing, e.g. use of renewable energies or variable speed drives in handling, conveying or stacking
- Y02P60/85—Food storage or conservation, e.g. cooling or drying
Abstract
The utility model provides a kind of large-scale grain dry hot-air system, is related to grain dry technical field.The grain dry hot-air system includes air-heater, air supply duct, grain dry pressure fan, some grain columns and exhausting-dusting equipment；Air-heater includes indoor set, outdoor unit and copper pipe etc.；Outdoor unit includes helical-lobe compressor, evaporator and choke valve, and the evaporator is configured with evaporator fan, for aiding in improving the heat absorption efficiency of evaporator；Indoor set includes fillter section and heat exchanging segment；Helical-lobe compressor, evaporator, choke valve connect composition heating with the heat exchanging segment of indoor set by pipeline.Scheme provided by the utility model, its advantage are：The grain dry hot-air system leaving air temp is stable, can effectively save the energy, improve the drying efficiency of cereal, lift the drying quality of cereal, be easy to application.
Description
Technical field
It the utility model is related to grain dry technical field, more particularly to a kind of large-scale grain dry hot-air system.
Background technology
Energy-saving and emission-reduction always are the developing direction of state key, and recently, State Council prints and distributes《" 13 " energy-saving and emission-reduction are comprehensive
Close programme of work》, should《Scheme》Point out, currently, China's economic development enters new normality, and industrial structure optimization is substantially accelerated, energy
Slowdown in growth is consumed in source, and resource, highly energy-consuming, maximum discharge industry development gradually decay.But must conscious understanding arrive, with industry
Change, Development of China's Urbanization accelerate and consumption structure persistently upgrades, and China's energy demand rigidly increases, and resources and environment problems are still to restrict
One of bottleneck of China's socio-economic development, still the situation is tense for energy-saving and emission-reduction.Therefore,《Scheme》It is proposed implementation environment protection fee
Change tax, environment protection tax is levied in propulsion；It specify that a series of finance and taxation policy of promotion energy-saving and emission-reduction.
The energy that existing grain dry technology uses mainly has natural gas, diesel oil, coal and biomass fuel etc., but this
There is the problem of certain environmental pollution and energy waste in a little energy, and grain-drying machinery is mostly positioned at remote districts, place
Outside gas distributing system coverage, therefore electric energy is one of grain heat-drying effective cleaning energy；Electric energy drying again can be with
It is divided into electric energy and directly heats technology and electric drive heat pump techniques, air source heat pump technology is a kind of shape in electric drive heat pump techniques
Formula；It is exactly directly to be heated using electric energy that electric energy, which directly heats technology, but the heat produced is all from electric energy, due to
Electric energy be in power generation process by basic power source not exclusively it is transformed come, therefore be the waste energy to heat directly with electric energy
Process.
Technology is directly heated compared to electric energy, the heat in outdoor air is mainly transferred to fresh air by air source heat pump technology
A kind of middle technology for improving new air temperature, what air source heat pump technology mainly utilized is the heat in outdoor air, therefore can
The saving energy largely, drying can be effectively saved using grain dry air-heater made of air source heat pump technology
The energy used in cereal, the efficiency of grain dry can be improved again.
The content of the invention
The purpose of this utility model is：Overcome the deficiencies in the prior art, there is provided a kind of large-scale grain dry hot-air system,
Outdoor fresh air is heated to certain temperature come dried grain using air source heat pump technology.
To realize above-mentioned target, the utility model provides following technical scheme:
A kind of large-scale grain dry hot-air system, it is characterised in that including air-heater, air supply duct, drying tower pressure fan,
Some grain column and exhausting-dusting equipment, hot blast caused by the air-heater is by the way that air supply duct is defeated and drying tower pressure fan
Some grain columns are delivered to (to strengthen air-supply efficiency), are discharged into after being handled again by exhausting-dusting equipment after dried grain
It is extraneous.
Wherein：
(1) air-heater includes outdoor unit (i.e. outdoor unit) and indoor set；The air-heater mainly passes through outdoor unit
Absorb the heat in surrounding air and be transported to by copper pipe in indoor set to heat fresh air；
The outdoor unit includes helical-lobe compressor, evaporator and choke valve, and the evaporator is configured with evaporator fan, uses
The heat absorption efficiency of evaporator is improved in auxiliary；The indoor set mainly includes fillter section and heat exchanging segment；System is preset in air-heater
The refrigerant of thermal cycle.
In this way, the heat exchanging segment heat release drop that the refrigerant of the high pressure gaseous come out from helical-lobe compressor passes through in indoor set
It is changed into the liquid refrigerant of medium temperature high pressure after temperature, the liquid refrigerant of medium temperature high pressure becomes low temperature after flowing through choke valve reducing pressure by regulating flow
The liquid refrigerant of low pressure, the liquid refrigerant of low-temp low-pressure is delivered in evaporator absorption air is changed into low-temp low-pressure after heat
Gaseous refrigerant, the gaseous refrigerant of low-temp low-pressure is changed into the gaseous refrigerant of HTHP by helical-lobe compressor compression,
The gaseous refrigerant of HTHP, which is sent in indoor set, heats fresh air；The can that so moves in circles continues heat being transported to
Heat exchanging segment in indoor set heats fresh air.
(2) indoor set is connected with outdoor unit by copper pipe, and the hot blast out of indoor set fresh air channel out passes through
Air supply duct delivers to dried grain in each grain column.
Further, the interface between air supply duct and grain column, drying tower pressure fan is set, to strengthen air-supply
Efficiency.
In addition, connection some grain columns of the indoor set by air supply duct, in sending for every grain column
Valve can also be set to control the Effec-tive Function of each grain column on wind pipeline.
The above technical scheme that the utility model uses, compared with prior art, for example and without limitation, have following
Beneficial effect：The grain dry hot-air system leaving air temp is stable, can effectively save the energy, improve the dry effect of cereal
Rate, the drying quality of cereal is lifted, is easy to application.
Brief description of the drawings
Fig. 1 is a kind of schematic diagram for large-scale grain dry hot-air system that the utility model embodiment provides；
Fig. 2 is the principle schematic for the air-heater that the utility model embodiment provides.
Description of reference numerals：
1 air-heater, 2 outdoor units, 21 are helical-lobe compressor, 22 choke valves, 23 evaporators, 24 evaporator fans, in Room 3
Machine, 31 fillter sections, 32 heat exchanging segments, 4 copper pipes, 5 grain columns, 6 fresh airs, 7 air drafts, 8 drying tower pressure fan, 9 air supply ducts.
Embodiment
Below in conjunction with specific embodiment and its accompanying drawing to a kind of large-scale grain dry hot blast system provided by the utility model
The technical scheme of system is described further.With reference to following explanation, advantages and features of the present utility model will be apparent from.
It should be noted that embodiment of the present utility model has preferable implementation, it is not any to the utility model
The restriction of form.The combination of technical characteristic or technical characteristic described in the utility model embodiment is not construed as orphan
Vertical, they can be mutually combined so as to reach superior technique effect.The scope of the utility model preferred embodiment
Other realization can be included, and this should be understood by the utility model embodiment person of ordinary skill in the field.
It may be not discussed in detail for technology, method and apparatus known to person of ordinary skill in the relevant, but suitable
In the case of, the technology, method and apparatus should be considered as authorizing part for specification.Institute that is shown here and discussing
Have in example, any occurrence should be construed as merely exemplary, not as restriction.Therefore, exemplary embodiment
Other examples can have different values.
Accompanying drawing of the present utility model uses using very simplified form and non-accurately ratio, only to facilitate,
The purpose of the utility model embodiment is lucidly aided in illustrating, is not to limit the enforceable qualifications of the utility model.Appoint
What modification of structure, the change of proportionate relationship or adjustment of size, is not influenceing effect and the institute that the utility model can be generated
Under the purpose that can reach, it all should fall in the range of the technology contents disclosed in the utility model can be covered.And this practicality is new
Identical label appeared in each accompanying drawing of type represents identical feature or part, can be applied in different embodiments.
As depicted in figs. 1 and 2, the utility model embodiment provides a kind of large-scale grain dry hot-air system.
The grain dry hot-air system includes air-heater 1, air supply duct 9, drying tower pressure fan 8, some grain columns 5
With exhausting-dusting equipment, if hot blast is delivered to gulch by air supply duct 9 and drying tower pressure fan 8 caused by the air-heater 1
Dried grain in thing drying tower 5, and discharged after grain dry from the grain column 5, last air draft 7 is removed by air draft
The external world is discharged into after the processing of dirt equipment；
Further, air-heater 1 includes outdoor unit 2, indoor set 3 and copper pipe 4, and passes through copper between outdoor unit 2 and indoor set 3
Pipe 4 connects；Indoor set 3 is placed on grain column 5 and nearby set.
It should be noted that some grain columns 5 can be included in grain dry hot-air system.As an example rather than
Limit, in the embodiment shown in fig. 1, two grain columns 5 are included in grain dry hot-air system.
The outdoor unit 2 of air-heater 1 can be placed on outdoor open spaces；The indoor set 3 of air-heater 1 is placed on cereal simultaneously
The air supply position of drying tower 5, the indoor set 3 of air-heater 1 pass through air supply duct 9, drying tower pressure fan 8 and the phase of grain column 5
Connection.
In a preferred embodiment, if the indoor set 3 connects dried grains by air supply duct 9, drying tower pressure fan 8
Drying tower 5, valve can also be set on the air supply duct 9 of every grain column 5 to control the height of each grain column 5
Effect operation.
Further, the indoor set 3 of air-heater 1 includes fillter section 31 and heat exchanging segment 32；And the outlet air end of indoor set 3 is by sending
Wind pipeline 9, drying tower pressure fan 8 and grain column 5 connect.Outdoor unit 2 includes helical-lobe compressor 21, choke valve 22, evaporation
Device 23, evaporator fan 24.Evaporator fan 24 is used to aid in 23 heat absorption efficiency for improving evaporator；Evaporator 23, screw rod
Compressor 21, choke valve 22 are connected with heat exchanging segment 32 by copper pipe.Evaporator 23 in outdoor unit 2 is absorbed in surrounding air
Heat, and the heat exchanging segment 32 being transported in indoor set 3 heats fresh air 6, after fresh air 6 is filtered by fillter section 31, into heat exchange
Section 32 is heated up, and the fresh air after heating is transported in grain column 5 by air supply duct 9, drying tower pressure fan 8 and dried
Cereal, discharge from grain column 5 after dried grain, finally discharged after being handled in exhausting-dusting equipment.
Wherein, the refrigerant of heating circulation is preset in air-heater 1, the high pressure gaseous come out from helical-lobe compressor 21
Refrigerant be changed into the liquid refrigerant of medium temperature high pressure, the liquid refrigerant stream of medium temperature high pressure after the heat release of indoor set 3 cooling
Become the liquid refrigerant of low-temp low-pressure after the reducing pressure by regulating flow of choke valve 22, the liquid refrigerant of low-temp low-pressure is delivered to evaporator
It is changed into the gaseous refrigerant of low-temp low-pressure in 23 absorption airs after heat, the gaseous refrigerant of low-temp low-pressure passes through helical-lobe compressor
21 compressions are changed into the gaseous refrigerant of HTHP, and the gaseous refrigerant of HTHP is sent in indoor set 3 by copper pipe 4 to be heated
Fresh air 6；The can that so moves in circles heats the heat exchanging segment 32 that the heat in outdoor air is continuously supplied in indoor set 3
Fresh air 6.
In addition, air-heater 1 is also configured with intelligent defrosting control system, should with effective reduction to be defrosted for evaporator 23
The defrost number of grain dry air-heater 1 in the winter time.
The technical solution of the utility model, for example and without limitation, have the advantages that：
(1) a kind of large-scale grain dry hot-air system provided by the utility model and combustion gas, fuel oil, fire coal and biomass-burning
Compare, do not influenceed by adverse circumstances such as night, rainy days Deng dried forms, also not by combustion gas, fuel oil, fire coal and biomass-burning
Deng the limitation of resource provisioning.
(2) a kind of large-scale grain dry hot-air system described in uses electric drive air source heat pump technology, utilizes outdoor sky
The energy of gas is done work by helical-lobe compressor, energy is transferred to high potential from lower potential；Without oil, natural gas, coal and biology
The fuel such as matter, what is mainly utilized is " natural energy " in air；It can reduce what traditional heating equipment was brought to atmospheric environment
A large amount of pollutant emissions, ensure to realize the purpose of environmental protection while heating effect.
(3) a kind of leaving air temp of large-scale grain dry hot-air system described in is usually no more than 70 DEG C, and leaving air temp is steady
Fixed, moisture control is more accurate, and grain drying degree is than more uniform, it is possible to increase the drying of the drying efficiency and lifting cereal of cereal
Quality.
(4) a kind of large-scale grain dry hot-air system described in uses screw compressor, and single-machine capacity is big, heating capacity
Greatly, heating efficiency is high, stable, and the small-sized corn drying tower of more is dragged suitable for big-and-middle-sized grain column or one；
And intelligent defrosting control system is configured with, winter defrost number is few.
(5) a kind of large-scale grain dry hot-air system described in has in grain dry field to have a extensive future, saves
Have a high potential and the features such as environmental pollution is small.
Foregoing description is only the description to the utility model preferred embodiment, is not to any of the scope of the utility model
Limit.Any change or modification that any those skilled in the art makes according to the technology contents of the disclosure above are equal
Equivalent effective embodiment should be considered as, belong to the scope of technical solutions of the utility model protection.
Claims (2)
1. a kind of large-scale grain dry hot-air system, it is characterised in that sent including air-heater (1), air supply duct (9), drying tower
Blower fan (8), some grain columns (5) and exhausting-dusting equipment, hot blast caused by the air-heater (1) pass through air supply duct
(9) and drying tower pressure fan (8) is delivered to some grain columns (5), and after dried grain by exhausting-dusting equipment at
The external world is discharged into after reason；
The air-heater (1) includes indoor set (3) and outdoor unit (2)；The air-heater (1) is mainly absorbed by outdoor unit (2)
Heat in surrounding air is simultaneously transported in indoor set (3) to heat fresh air (6) by copper pipe (4)；
Direction of the inside of the indoor set (3) along fresh air air intake to outlet air end is disposed with fillter section (31) and heat exchanging segment
(32)；The outdoor unit (2) includes helical-lobe compressor (21), evaporator (23) and choke valve (22), and the evaporator (23) is matched somebody with somebody
Evaporator fan (24) is equipped with, for aiding in improving the heat absorption efficiency of evaporator (23)；Heating circulation is preset in air-heater (1)
Refrigerant；
Heat exchanging segment (32) heat release that the refrigerant of the high pressure gaseous come out from helical-lobe compressor (21) passes through in indoor set (3)
It is changed into the liquid refrigerant of medium temperature high pressure after cooling, the liquid refrigerant of medium temperature high pressure becomes after flowing through choke valve (22) reducing pressure by regulating flow
Into the liquid refrigerant of low-temp low-pressure, the liquid refrigerant of low-temp low-pressure is delivered in evaporator (23) absorption air to be become after heat
For the gaseous refrigerant of low-temp low-pressure, the gaseous refrigerant of low-temp low-pressure is changed into HTHP by helical-lobe compressor (21) compression
Gaseous refrigerant, the gaseous refrigerant of HTHP is sent to heating fresh air (6) in indoor set (3)；So move in circles just
It can continue heat exchanging segment (32) that the heat in outdoor air is transported in indoor set (3) heating fresh air (6).
A kind of 2. large-scale grain dry hot-air system according to claim 1, it is characterised in that：Indoor set (3) and outdoor
Machine (2) is connected by copper pipe (4), passes through air supply duct (9) and drying tower from the interior hot blast out of indoor set (3) fresh air channel
Pressure fan (8) delivers to dried grain in each grain column (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721080781.5U CN207197227U (en) | 2017-08-28 | 2017-08-28 | A kind of large-scale grain dry hot-air system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721080781.5U CN207197227U (en) | 2017-08-28 | 2017-08-28 | A kind of large-scale grain dry hot-air system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207197227U true CN207197227U (en) | 2018-04-06 |
Family
ID=61795606
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721080781.5U Active CN207197227U (en) | 2017-08-28 | 2017-08-28 | A kind of large-scale grain dry hot-air system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207197227U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112229164A (en) * | 2020-11-04 | 2021-01-15 | 中国科学院理化技术研究所 | Multistage heat pump drying parallel system and working method thereof |
-
2017
- 2017-08-28 CN CN201721080781.5U patent/CN207197227U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112229164A (en) * | 2020-11-04 | 2021-01-15 | 中国科学院理化技术研究所 | Multistage heat pump drying parallel system and working method thereof |
| CN112229164B (en) * | 2020-11-04 | 2023-11-07 | 中国科学院理化技术研究所 | Multistage heat pump drying parallel system and working method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201387087Y (en) | Energy-saving low-temperature high-humidity air supply air-conditioning unit | |
| CN105066666A (en) | Heat pump drying device with humidity and temperature adjusting function | |
| CN203848526U (en) | Novel solar drying system | |
| CN204830701U (en) | Dry tunnel room of dehumidification type heat pump | |
| CN201368540Y (en) | Air heat-recovery heat pump | |
| CN105066665A (en) | Heat recovery heat pump device of drying room | |
| CN204902531U (en) | Can realize heat pump drying device of damp and hot regulation | |
| CN201191049Y (en) | Radiation air conditioning system based on recycling wet cooling tower and cold/heat sources of ground source heat pump | |
| CN203771958U (en) | Heat-pump agricultural product drying system with function of waste heat recovery | |
| CN204268817U (en) | A kind of air source heat pump circulation baking room | |
| CN104279853B (en) | A kind of air-source fluorine pump type dries dehumidifier all-in-one and drying system thereof | |
| CN202015568U (en) | Heat recovery type dehumidifying machine set | |
| CN203543342U (en) | High-efficiency and energy-saving printing dryer | |
| CN107270728A (en) | The energy conserving system that a kind of super wide roller kiln slow cooling high-temperature residual heat is recycled | |
| CN107741150A (en) | A kind of frostless, Multivariable Coupling type heat pump hot-blast stove control system and its control method | |
| CN207197227U (en) | A kind of large-scale grain dry hot-air system | |
| CN1721787A (en) | Energy accumulation type combustion gas and heat pump composite air-conditioning | |
| CN101900405B (en) | Purification and condensation exhaust air conditioning unit | |
| CN207197233U (en) | A kind of middle-size and small-size grain dry hot-air system | |
| CN105042815A (en) | Secondary heat recovery heat-tube type air conditioning system | |
| CN202119021U (en) | Multistage heat-recovery compound-dehumidifying new air processor | |
| CN204202351U (en) | A kind of air-source fluorine pump type dries dehumidifier all-in-one and drying system thereof | |
| CN206387041U (en) | A kind of overall process saves evaporative condenser air-conditioner set system | |
| CN205463077U (en) | Water based paint drying system | |
| CN110131997A (en) | Coal slime dries the exhaust heat stepped recycling system of lack of gas |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |