CN107606883A - A kind of drying system being heated evenly - Google Patents
A kind of drying system being heated evenly Download PDFInfo
- Publication number
- CN107606883A CN107606883A CN201710800986.4A CN201710800986A CN107606883A CN 107606883 A CN107606883 A CN 107606883A CN 201710800986 A CN201710800986 A CN 201710800986A CN 107606883 A CN107606883 A CN 107606883A
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- Prior art keywords
- heat exchange
- drying
- hot blast
- hothouse
- heat
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Abstract
The invention discloses a kind of drying system being heated evenly, include heat pump main frame and hothouse, two vertical clapboards are provided with the hothouse so that hothouse is divided into two hot blast portions and drying section, put the both sides of drying section in two hot blast parts, each hot blast portion is connected with a heat pump main frame, and each vertical clapboard is connected with first circulation blower fan and second circulation blower fan so that hot blast is pumped into drying section;The drying section is provided with top cover, and return air channel is formed between the inner top surface of the top cover and hothouse.Two hot blast portions of the present invention are run by the way of intermittent cyclic unlatching, and material two sides is uniformly heated, and obtains preferable drying effect, improve the uniformity of material, are reduced and are dried used time and power consumption.
Description
Technical field
The present invention relates to drying equipment technical field, specifically a kind of drying system being heated evenly.
Background technology
Dry the technology for referring to and moisture or other hygroscopic waters being removed from wet stock, be widely used in chemical industry, food, light industry,
Each industrial circles such as weaving, coal, agriculture and forestry product processing and building materials.Its general principle is, at a certain temperature, any aqueous
Wet stock has certain vapour pressure, and when this vapour pressure is more than the water vapor partial pressure in ambient gas, moisture will vaporize.Vaporization institute
Calorific requirement, or provided from surrounding hot gas, or by other thermals source by radiation, heat transfer.Understand to influence to do by principles above
The objective condition of dry efficiency has two:One is the water vapor partial pressure in surrounding air, and one is heat.According to the supplier of heat
Formula is different, there is a variety of dry types, such as convective drying, conductive drying, radiant drying, dielectric heating drying etc..Convective drying exists
Most widely used in production, it includes pneumatic conveying drying, spray drying, fluidized drying, revolving drum drying and carriage-type drying etc..Conduction
Drying includes roller drying, freeze-drying, vacuum rake type drying etc..Radiant drying and dielectric heating drying because cost is higher,
Industrially using less.Above drying means or drying equipment all suffer from a contradiction, i.e. drying efficiency and drying cost is past
It is past directly proportional, also increase energy consumption cost while increasing heat supply.Therefore, existing highly effective drying function is developed, again
Can be the important directions of current drying industry technology development with the drying device of energy-conservation of consumption reduction.Wherein heat pump drier be use compared with
Extensive drying machine, existing heat pump drier are typically mounted on outside hothouse, by the breeze fan of condenser to hothouse
Hot blast is sent into, usual hothouse opposite side installation air exhauster takes damp-heat air caused by drying away, but this structure
Dry materials effect of the hot blast into side is good in hothouse, and the dry materials effect of air draft side is poor, causes to consume
Take more time and energy and just can guarantee that all materials reach dry standard.
The content of the invention
For overcome the deficiencies in the prior art, the present invention provides a kind of drying system being heated evenly, is greatly improved thing
The uniformity of drying operation is expected, so as to reduce time-consuming and power consumption.
The technical solution adopted for the present invention to solve the technical problems is:
A kind of drying system being heated evenly, include heat pump main frame and hothouse, two are provided with the hothouse
For vertical clapboard so that hothouse is divided into two hot blast portions and drying section, the both sides of drying section, each hot blast portion are put in two hot blast parts
A heat pump main frame is connected with, it is dry so that hot blast to be pumped into that each vertical clapboard is connected with first circulation blower fan and second circulation blower fan
Dry portion;The drying section is provided with top cover, and return air channel is formed between the inner top surface of the top cover and hothouse.
As the improvement of above-mentioned technical proposal, the first circulation blower fan, second circulation blower fan are arranged to axial flow blower.
As the further improvement of above-mentioned technical proposal, the heat pump main frame include compressor, indoor condenser and
Outdoor evaporator, the outdoor evaporator are provided with evaporation fan, and the indoor condenser is provided with towards blowing inside hothouse
The breeze fan of wind, the heat pump main frame are provided with heat exchanger, and the heat exchanger is internally provided with for carrying out the cold of heat exchange
Wind passage and hot-air channel, the import of the hot-air channel are provided with the induced draft fans of the damp-heat air for taking hothouse away,
The outlet of the hot-air channel is close to the inlet side of outdoor evaporator;The import of the cold air duct is arranged in outside hothouse,
The outlet of the cold air duct is close to the inlet side of indoor condenser.
Further improve, the angle of 60 to 90 degree is formed between the cold air duct and hot-air channel.
Further improve, the heat exchanger is internally provided with some parallel heat exchange fins, adjacent two heat exchange fins
Between form wind passage, the wind passage composition cold air duct of odd number, the wind passage composition hot-air channel of even number.
Further improve, the heat exchange fin is arranged to waveform.
Further improve, the heat exchanger is internally provided with some heat exchange copper tubes, and the heat exchange copper tube is internally formed heat
Wind passage, the outside of the heat exchange copper tube form cold air duct.
Further improve, the heat exchange copper tube is arranged to multiple rows of, two adjacent row's heat exchange copper tube interlaced arrangements.
Further improve, the heat exchange copper tube is arranged to helical form, and the heat exchange copper tube is arranged to multiple rows of and adjacent
Two row's heat exchange copper tube interlaced arrangements.
Further improve, the import of the cold air duct is provided with dedusting guard.
The beneficial effects of the invention are as follows:Hothouse is divided into three parts by two vertical clapboards, and centre is the drying for placing material
Portion, drying section both sides are hot blast portion, and hot blast portion is provided with heat pump main frame to produce hot blast.Opened using intermittent cyclic in two hot blast portions
Mode run, when the heat pump main frame and first circulation blower fan in left side hot blast portion, second circulation blower fan are opened, right side hot blast portion
Heat pump main frame and first circulation blower fan, second circulation blower fan stop, and hot blast enters drying section from left side hot blast portion, caused by drying
Damp-heat air is back to left side hot blast portion through return air channel and forms circulation, and the heating surface windward of material is in left side;Then, right side heat
The heat pump main frame and first circulation blower fan in wind portion, second circulation blower fan are opened, the heat pump main frame and first circulation in left side hot blast portion
Blower fan, second circulation blower fan stop, and hot blast enters drying section from right side hot blast portion, and damp-heat air is through return air channel caused by drying
It is back to right side hot blast portion and forms circulation, the heating surface windward of material is on right side;And so on circulate, material obtain uniformly by
Heat, preferable drying effect is obtained, improve the uniformity of material, reduced and dry used time and power consumption.
Brief description of the drawings
The invention will be further described with reference to the accompanying drawings and examples.
Fig. 1 is the front view of the present invention;
Fig. 2 is the top view of the present invention;
Fig. 3 is the top view of heat pump main frame in the present invention;
Fig. 4 is the front view of heat pump main frame in the present invention.
Embodiment
1~Fig. 4 of reference picture, a kind of drying system being heated evenly, includes heat pump main frame 1 and hothouse 2, its feature exists
In:Two vertical clapboards 21 are provided with the hothouse 2 so that hothouse 2 to be divided for two hot blast portions and drying section, two hot blasts
The both sides of drying section are put in part, and each hot blast portion is connected with a heat pump main frame 1, and each vertical clapboard 21 is connected with first circulation
Blower fan 4 and second circulation blower fan 5 by hot blast to be pumped into drying section;The drying section is provided with top cover 22, and the top cover 22 is with doing
Return air channel is formed between the inner top surface of dry room 2.Preferably, the first circulation blower fan 4, second circulation blower fan 5 are arranged to axle
Flow fan.Using said structure, hothouse 2 is divided by two vertical clapboards 21 to be done for three parts, centre to place the drying section of material
Dry portion both sides are hot blast portion, and hot blast portion is provided with heat pump main frame 1 to produce hot blast.Two hot blast portions use the side that intermittent cyclic is opened
Formula is run, when the heat pump main frame 1 and first circulation blower fan 4 in left side hot blast portion, second circulation blower fan 5 are opened, right side hot blast portion
Heat pump main frame 1 and first circulation blower fan 4, second circulation blower fan 5 stop, and hot blast enters drying section from left side hot blast portion, dry production
Raw damp-heat air is back to left side hot blast portion through return air channel and forms circulation, and the heating surface windward of material is in left side;Then, it is right
The heat pump main frame 1 and first circulation blower fan 4 in side hot blast portion, second circulation blower fan 5 are opened, the He of heat pump main frame 1 in left side hot blast portion
First circulation blower fan 4, second circulation blower fan 5 stop, and hot blast enters drying section, damp-heat air caused by drying from right side hot blast portion
Right side hot blast portion is back to through return air channel and forms circulation, and the heating surface windward of material is on right side;And so on circulate, material obtains
It is heated to uniform, obtains preferable drying effect, improve the uniformity of material, is reduced and dry used time and power consumption.
In the present embodiment, it is preferred that the heat pump main frame 1 includes the compressor 11 being sequentially connected, indoor condenser
13 and outdoor evaporator 12, the outdoor evaporator 12 be provided with evaporation fan 121, the indoor condenser 13 is provided with
Towards the breeze fan 131 of the inside of hothouse 2 blowing, the heat pump main frame 1 is provided with heat exchanger 3, set inside the heat exchanger 3
The cold air duct and hot-air channel for carrying out heat exchange are equipped with, the import of the hot-air channel is provided with for taking hothouse away
Damp-heat air induced draft fans 31, the hot-air channel outlet close to outdoor evaporator 12 inlet side;The cold wind leads to
The import in road is arranged in the outside of outdoor evaporator 12, and the outlet of the cold air duct is close to the inlet side of indoor condenser 13.
The work flow of energy saving heat pump drying machine is as follows, the cold media gas that compressor 11 works to indoor condenser 13 supply high temperature, cold
Gas body is condensed into liquid release heat in condenser 13 indoors, heats the air through indoor condenser 13, passes through air-supply
Blower fan 131 aspirates and produces hot blast, so that the material to be dried being placed in hothouse 2 removes moisture, completes drying operation;
Refrigerant liquid, which flows through outdoor evaporator 12 and flashes to gas again, returns to compressor 11.Return air channel is returned by induced draft fans 31
The damp-heat air of stream is taken away, blows to outdoor evaporator 12 by hot-air channel, outdoor cold wind is indoor by cold air duct flow direction
Condenser 13, cold wind carries out heat exchange with damp-heat air in heat exchanger 3, improves the temperature of cold wind, make use of for the first time damp and hot
The waste heat of air;First blower fan 121 of outdoor evaporator 12 is worked, and negative-pressure sucking is produced in the inlet side of outdoor evaporator 12
The damp-heat air flowed out in hot-air channel suction outdoor evaporator 12 is discharged to outdoor again, the waste heat using damp-heat air is refrigerant
Liquid evaporation heat supply, make use of the waste heat of damp-heat air for the second time, on the one hand recycle the waste heat of damp-heat air, reduce energy
The waste in source, energy consumption is on the other hand substantially reduced, save the energy, more environmentally friendly energy-conservation.
The first scheme, the heat exchanger 3 are internally provided with some parallel heat exchange fins, adjacent two heat exchange fins
Between form wind passage, the wind passage composition cold air duct of odd number, the wind passage composition hot-air channel of even number, in order to add
Big heat exchange area, heat exchange fin are arranged to waveform.
Second scheme, heat exchanger 3 are internally provided with some heat exchange copper tubes, and the hot blast that is internally formed of the heat exchange copper tube leads to
Road, the outside of the heat exchange copper tube form cold air duct.Preferably, the heat exchange copper tube is arranged to multiple rows of, and two adjacent rows change
Hot copper pipe interlaced arrangement, heat exchange copper tube may be arranged as spiral shape to increase heat exchange area and time.Preferably, it is described cold
80 degree of angle is formed between wind passage and hot-air channel.
Heat exchanger 3 is separated cold wind and damp-heat air using heat exchange fin or heat exchange copper tube, heat exchange fin or heat exchange
The heat conductivility of copper pipe is superior to be advantageous to accelerate heat transfer rate, improves the temperature of the cold wind of supply chamber inner condenser 13, indirectly
Improve the hot blast temperature that indoor condenser 13 is sent into hothouse 2.
In the present embodiment, it is preferred that the import of the cold air duct is provided with dedusting guard 32 to remove in air
Dust, debris, the cleaning of heat exchanger 3 is kept, improve the cleanliness factor into the hot blast of hothouse 2.
It is described above, the simply better embodiment of the present invention, but the present invention is not limited to above-described embodiment, as long as
It reaches the technique effect of the present invention with any same or similar means, should all fall under the scope of the present invention.
Claims (10)
1. a kind of drying system being heated evenly, include heat pump main frame (1) and hothouse (2), it is characterised in that:The drying
Two vertical clapboards (21) are provided with so that hothouse (2) is divided into two hot blast portions and drying section in room (2), and two hot blast parts are put
The both sides of drying section, each hot blast portion are connected with a heat pump main frame (1), and each vertical clapboard (21) is connected with first circulation wind
Machine (4) and second circulation blower fan (5) by hot blast to be pumped into drying section;The drying section is provided with top cover (22), the top cover
(22) return air channel is formed between the inner top surface of hothouse (2).
A kind of 2. drying system being heated evenly according to claim 1, it is characterised in that:The first circulation blower fan
(4), second circulation blower fan (5) is arranged to axial flow blower.
A kind of 3. drying system being heated evenly according to claim 1 or 2, it is characterised in that:The heat pump main frame (1)
Include the compressor (11) being sequentially connected, indoor condenser (13) and outdoor evaporator (12), the outdoor evaporator
(12) evaporation fan (121) is provided with, the indoor condenser (13) is provided with the air-supply wind towards blowing inside hothouse (2)
Machine (131), the heat pump main frame (1) are provided with heat exchanger (3), and the heat exchanger (3) is internally provided with for carrying out heat exchange
Cold air duct and hot-air channel, the import of the hot-air channel is provided with taking out for the damp-heat air for taking hothouse (2) away
Wind blower fan (31), the outlet of the hot-air channel is close to the inlet side of outdoor evaporator (12);The import cloth of the cold air duct
Put in hothouse (2) outside, the outlet of the cold air duct is close to the inlet side of indoor condenser (13).
A kind of 4. drying system being heated evenly according to claim 3, it is characterised in that:The cold air duct and hot blast
The angle of 60 to 90 degree is formed between passage.
A kind of 5. drying system being heated evenly according to claim 4, it is characterised in that:The heat exchanger (3) is internal
Some parallel heat exchange fins are provided with, wind passage, the wind passage group of odd number are formed between adjacent two heat exchange fins
Into cold air duct, the wind passage composition hot-air channel of even number.
A kind of 6. drying system being heated evenly according to claim 5, it is characterised in that:The heat exchange fin is arranged to
Waveform.
A kind of 7. drying system being heated evenly according to claim 3, it is characterised in that:The heat exchanger (3) is internal
Some heat exchange copper tubes are provided with, the heat exchange copper tube is internally formed hot-air channel, and the outside of the heat exchange copper tube forms cold wind
Passage.
A kind of 8. drying system being heated evenly according to claim 7, it is characterised in that:The heat exchange copper tube is arranged to
Two multiple rows of, adjacent row's heat exchange copper tube interlaced arrangements.
A kind of 9. drying system being heated evenly according to claim 7, it is characterised in that:The heat exchange copper tube is arranged to
Helical form, the heat exchange copper tube are arranged to two multiple rows of and adjacent row's heat exchange copper tube interlaced arrangements.
A kind of 10. drying system being heated evenly according to claim 3, it is characterised in that:The cold air duct enters
Mouth is provided with dedusting guard (32).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201710800986.4A CN107606883A (en) | 2017-09-07 | 2017-09-07 | A kind of drying system being heated evenly |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201710800986.4A CN107606883A (en) | 2017-09-07 | 2017-09-07 | A kind of drying system being heated evenly |
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Publication Number | Publication Date |
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CN107606883A true CN107606883A (en) | 2018-01-19 |
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ID=61062862
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CN201710800986.4A Pending CN107606883A (en) | 2017-09-07 | 2017-09-07 | A kind of drying system being heated evenly |
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Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2004003745A (en) * | 2002-05-31 | 2004-01-08 | Matsushita Electric Ind Co Ltd | Heating and drying system for bathroom |
CN104359290A (en) * | 2014-12-03 | 2015-02-18 | 湖南省浏阳市择明热工器材有限公司 | Air source heat pump drying house with air inlet of evaporator as fresh air inlet of drying house |
CN204513991U (en) * | 2015-04-03 | 2015-07-29 | 西安永创节能设备有限公司 | The high temperature heat pump printing drying system that a kind of Inner eycle secondary recovery utilizes |
CN205843312U (en) * | 2016-05-19 | 2016-12-28 | 广州泉能智能科技股份有限公司 | A kind of advection hot blast reverse circulation dries equipment |
CN206078998U (en) * | 2016-08-10 | 2017-04-12 | 河南天赫伟业能源科技有限公司 | Intelligent heat pump tobacco drying system is assisted to solar energy |
-
2017
- 2017-09-07 CN CN201710800986.4A patent/CN107606883A/en active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2004003745A (en) * | 2002-05-31 | 2004-01-08 | Matsushita Electric Ind Co Ltd | Heating and drying system for bathroom |
CN104359290A (en) * | 2014-12-03 | 2015-02-18 | 湖南省浏阳市择明热工器材有限公司 | Air source heat pump drying house with air inlet of evaporator as fresh air inlet of drying house |
CN204513991U (en) * | 2015-04-03 | 2015-07-29 | 西安永创节能设备有限公司 | The high temperature heat pump printing drying system that a kind of Inner eycle secondary recovery utilizes |
CN205843312U (en) * | 2016-05-19 | 2016-12-28 | 广州泉能智能科技股份有限公司 | A kind of advection hot blast reverse circulation dries equipment |
CN206078998U (en) * | 2016-08-10 | 2017-04-12 | 河南天赫伟业能源科技有限公司 | Intelligent heat pump tobacco drying system is assisted to solar energy |
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Application publication date: 20180119 |