CN205156534U - Dehumidification drying equipment of wide temperature section regulation and control of new forms of energy helping hand - Google Patents

Dehumidification drying equipment of wide temperature section regulation and control of new forms of energy helping hand Download PDF

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Publication number
CN205156534U
CN205156534U CN201520963340.4U CN201520963340U CN205156534U CN 205156534 U CN205156534 U CN 205156534U CN 201520963340 U CN201520963340 U CN 201520963340U CN 205156534 U CN205156534 U CN 205156534U
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China
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chamber
hothouse
heat collector
drying
connects
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CN201520963340.4U
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王正宇
王峰云
代素芳
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王正宇
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Abstract

The utility model discloses a dehumidification drying equipment of wide temperature section regulation and control of new forms of energy helping hand, dehumidification drying equipment include except that moist chamber and drying chamber, remove the moist chamber setting and are provided with the plenum chamber at drying chamber one side, drying chamber opposite side, are provided with ventilation holes on the common wall of plenum chamber and drying chamber, except that being provided with dehydrating unit and drying device in the moist chamber. Still including setting up the solar energy air heat collector at the drying chamber top, solar energy air heat collector one side is provided with the heat collector air inlet to dehumidification drying equipment, and the opposite side is provided with the heat collector exhaust pipe who is connected with exhaust pipe B, is provided with the heat collector solenoid valve of the choke amount of wind on heat collector exhaust pipe's the pipeline. The utility model discloses a conventional energy is new forms of energy helping hand and wide temperature section automatically regulated in addition, can carry out the removal moisture drying to grain, forestry products and the chinese -medicinal material of the different drying temperature's of needs different cultivars.

Description

The dehumidification equipment of the wide temperature section regulation and control of a kind of new forms of energy power-assisted
Technical field
The utility model belongs to product dried dehumidifying technology field, is specifically related to the dehumidification equipment of the wide temperature section regulation and control of a kind of new forms of energy power-assisted.
Background technology
China is grain, forestry products and a Producing medicinal herbs and consumption big country.According to " national economy and social development statistical communique in 2014 " display, within 2014, China's grain obtains good harvest again, realizes " 11 connect increasing ".Annual grain yield 60,710 ten thousand tons; Meanwhile, China is also maximum wooden industry processing, woodwork production base and topmost woodwork export processing state and one of importation of timber state maximum in the world in the world.Position is at the forefront in the world for the wood-based plate of China, furniture, floor annual production; One of country that still natural drug kind is the abundantest in the world of China.According to the display of Third National natural resources of Chinese medicinal materials census statistics data, China's natural resources of Chinese medicinal materials has reached 12807 kinds.In natural resources of Chinese medicinal materials, Medicinal plant kind is maximum, reaches 11146 kinds, accounts for 87.03% of sum; Medicinal animal 1,581 kinds, mineral drug 80 kinds.320 kinds of conventional large vegetable drugs and 29 kinds of wild total reserves of conventional animal medicinal material are 8,500,000 tons, and medicinal material annual production more than 30 ten thousand tons is planted by family.Along with the continuous growth of China's grain, forestry products and Producing medicinal herbs amount and consumption figure, the product population of the needs drying of substantial amounts also constantly increases immediately.
When front because of global warming, extreme weather increase, climate damage takes place frequently, because of climate reasons and drying equipment and practitioner not enough, cause grain, timber, Chinese medicine can not the loss of drying in time very surprising.Drying equipment is being reduced the loss, and products quality guarantee aspect is playing more and more important effect.Along with the increase of production of grain, timber, Chinese medicine is more, also larger to the demand of its drying equipment.Particularly " operating cost " of grain drying equipment just, is directly connected to " economic well-being of workers and staff " of kind of grain person and dry practitioner especially.The effect of the grain drying equipment of " low operating cost " in the enthusiasm of the grain-production of stable China, Ensuring Food Safety and protection kind grain person and dry practitioner is also manifesting day by day thus.
Make a general survey of the equipment of China for grain, forestry products and Chinese medicine drying, much there is the defects such as operating cost is higher, temperature controlled section is narrower; Add that China region is vast, Middle East Western Economic is uneven, the kind of the energy and Regional Distribution difference obviously and have an urgent demand of energy-saving and emission-reduction, single thermal source utilizes that the Local Adaptation of drying equipment is poor, energy-saving and emission-reduction usefulness is also poor, therefore low in the urgent need to a kind of operating cost of utility model, Local Adaptation scope wide, dry benefit and energy-saving and emission-reduction profitable.And effectively can carry out dry technology in a variety of weather conditions.
Utility model content
The purpose of this utility model is: for defect and the market demand of above-mentioned existing drying equipment, provides the dehumidification equipment of the wide temperature section regulation and control of a kind of new forms of energy power-assisted.The utility model emphasis carries out drying design for grain, forestry products and the Chinese medicine that social required quantity is maximum.By closed cycle and damp and hot recirculation, maximum economize energy expenditure and reduction operating cost, to ensure the economic interests of grower and dry practitioner; Different grain, forestry products and the different requirements of Chinese medicine to dry humiture are met by the automatic adjustment of many temperature sections; Be particularly dry power-assisted by its external tapping by the new forms of energy such as solar energy, geothermal energy, biomass energy of different geographical.The energy condition of the utilization locality that can suit measures to local conditions to promote the utilization of drying equipment and to reduce carbon emission, reduce as much as possible the product such as grain because of the reasons such as weather can not drying in time and the loss that causes.
To achieve these goals, the technical solution adopted in the utility model is:
A dehumidification equipment for the wide temperature section regulation and control of new forms of energy power-assisted, comprise except moist chamber and hothouse, except moist chamber is arranged on hothouse side, hothouse opposite side is provided with plenum chamber, and the common wall of plenum chamber and hothouse is provided with wind pushing hole; Except being provided with dehydrating unit and drying device in moist chamber;
The air inlet A of dehydrating unit connects into lower end, hothouse side by intake stack A, and exhaust outlet A connects into hothouse opposite side upper end by exhaust duct A, the casing of dehydrating unit is also provided with the air intake mesh for absorption dehumidifying room room air; Except moist chamber upper end is also provided with except moist chamber solenoid valve;
Drying device comprises housing, and the heater in housing, the exhaust outlet B of drying device connects into plenum chamber lower end by exhaust duct B through hothouse indoor, the air inlet B of drying device connects into above the hothouse indoor of plenum chamber opposite side by intake stack B, and housing upper is provided with blower fan, blower fan is connected with intake stack B; Described housing upper is also provided with the hydrofuge mesh for being entered by moisture except moist chamber;
Described heater comprises combustion chamber, and the some layer heating tube group of stacked distribution above combustion chamber, be communicated with in snakelike shape between heating tube group, and one of them end port connects combustion chamber, another end port connects the exhaust emission tube of waste gas discharge except moist chamber; Combustion chamber is also connected with air intake duct, and air intake duct extends the outdoor except moist chamber, and the oral area of air intake duct is provided with cleaner;
Dehumidification equipment also comprises the solar energy air heat collector being arranged on hothouse top, solar energy air heat collector side is provided with heat collector air inlet, opposite side is provided with the heat collector exhaust duct be connected with exhaust duct B, the pipeline of heat collector exhaust duct is provided with the heat collector solenoid valve regulating exhaust air rate;
Indoor top four corners of described hothouse and be provided with Temperature Humidity Sensor except in moist chamber, heater is provided with heating control module, Temperature Humidity Sensor is connected with heating control module, and heating control module is connected with heat collector solenoid valve, except moist chamber solenoid valve respectively.
Preferably, the air inlet A of described dehydrating unit connects into the indoor lower end of hothouse except moist chamber side by intake stack A, and exhaust outlet A connects into the indoor upper end of the plenum chamber of opposite side through hothouse indoor by exhaust duct A.
Preferably, described combustion chamber is the diesel combustion room of burning diesel oil or the combustion of natural gas room of gas-firing.
Preferably, described heater also comprises base plate, base plate supports fixed combustion room, the end port connecting the heating tube group of combustion chamber be provided with first between combustion chamber and be connected box body, the heating tube group be communicated with in snakelike shape with arrange second between heating tube group and be connected box body, the end port connecting the heating tube group of exhaust emission tube is provided with the 3rd and connects box body.
Preferably, described each heating tube group is arranged side by side by 6-8 root heating tube and forms.
Owing to have employed technique scheme, the beneficial effects of the utility model are:
1. the utility model adopts conventional energy resource to add that new forms of energy power-assisted and wide temperature section regulate automatically, can carry out removal moisture drying to needing the grain of the different cultivars of different baking temperature, forestry products and Chinese medicine.Suit measures to local conditions again to make use of local solar energy, geothermal energy, biomass energy equal energy source, Local Adaptation is strong; Meanwhile, when heat reach dry temperature required time, burning diesel oil or combustion of natural gas room quit work, and the maintenance of later temperature is the heat that produces of the new forms of energy such as the outer solar energy connect mainly; When outside climatic changes, can integrated use electric energy, diesel oil, natural gas, the various combination of external new forms of energy carrys out the normal operation of support equipment.
2. drying device absorption dehydration room air of the present utility model, is discharged in hothouse again, is isolated from the outside after heating, and form closed cycle, heat not easily runs off, and power consumption obviously declines;
3. dehydrating unit of the present utility model is also adopt closed cycle, and effectively can remove the moisture in hothouse, coordinate with drying device, reach better effect on moisture extraction, heat not easily scatters and disappears;
4. the Hot wet air heating produced during drying device heating of the present utility model, also by after dehydrating unit dehumidifying, enter in hothouse by the dehumidifying circulatory system, heat not easily scatters and disappears;
5. the utility model also utilizes the convection current of heat between adjacent two drying equipments to reach the object of further energy-saving and emission-reduction with conduction,
6. the utility model conventional energy resource adds that new forms of energy power-assisted further promotes the reduction of drying equipment drying cost.Wide temperature section regulates automatically, makes again the various product of the grower of grain, forestry products, Chinese medicine can obtain timely drying on an equipment; Also the scope of the business of the owner of drying equipment is impelled to further expand; Grower and drying equipment owner can therefrom more interests of capacitation.Just drive thus and more added plantation and dry industry.Plant the expansion with the dry troop that obtains employment, this will produce very positive effect undoubtedly to the grain loss that the grain security and minimizing climate reasons that ensure China cause.
To sum up, the utility model has obvious economy, society and environmental benefit.Should widely popularize.
Accompanying drawing explanation
Fig. 1 is the left view of dehumidification equipment of the present utility model.
Fig. 2 is the top view of dehumidification equipment of the present utility model.
Fig. 3 is the A-A sectional view of Fig. 2.
Fig. 4 is the B-B sectional view of Fig. 2.
Fig. 5 is heater structure schematic diagram of the present utility model.
Fig. 6 is that heater of the present utility model is connected block diagram with temperature sensor.
Fig. 7 is the application state figure of dehumidification equipment of the present utility model.
Mark in figure: 10-is except moist chamber, 20-hothouse, 30-plenum chamber, 40-wind pushing hole, 50-drying device, 51-heater, 511-base plate, 512-combustion chamber, 513-first connects box body, 514-second connects box body, 515-heating tube group, 516-the 3rd connects box body, 517-exhaust emission tube, 518-cleaner, 519-air intake duct, 52-housing, 53-hydrofuge mesh, 54-blower fan, 55-intake stack B, 56-air inlet B, 57-exhaust duct B, 58-exhaust outlet B, 59-heating control module, 60-dehydrating unit, 61-air intake mesh, 62-intake stack A, 63-air inlet A, 64-exhaust duct A, 65-exhaust outlet A, 66-is except moist chamber solenoid valve, 70-temperature sensor, 80-solar energy air heat collector, 81-heat collector air inlet, 82-heat collector exhaust duct, 83-heat collector solenoid valve, 100-dehumidification equipment.
Detailed description of the invention
With reference to Fig. 1-7, the dehumidification equipment of the wide temperature section regulation and control of a kind of new forms of energy power-assisted of the present utility model, comprise except moist chamber 10 and hothouse 20, except moist chamber 10 is arranged on hothouse 20 side, hothouse 20 opposite side is provided with plenum chamber 30, and plenum chamber 30 and the common wall of hothouse 20 are provided with wind pushing hole 40.Except being provided with the dehydrating unit 60 and drying device 50 that are arranged side by side in moist chamber 10.
Wherein, dehydrating unit 60 adopts electric power heat pump as core parts, moisture in removing air, the air inlet A63 of dehydrating unit 60 connects into lower end, hothouse 20 side by intake stack A62, exhaust outlet A65 connects into hothouse 20 opposite side upper end by exhaust duct A64, the casing of dehydrating unit 60 is also provided with the air intake mesh 61 for absorption dehumidifying room 10 room air.In order to the inlet and outlet of the inlet and outlet of dehydrating unit 60 and drying device 50 is staggered, to reach better effect on moisture extraction, the air inlet A63 of dehydrating unit 60 connects into the indoor lower end of hothouse 20 except moist chamber 10 side by intake stack A62, and exhaust outlet A65 connects into the indoor upper end of plenum chamber 30 of opposite side through hothouse 20 indoor by exhaust duct A64.
Drying device 50 comprises housing 52, and the heater 51 in housing 52, the exhaust outlet B58 of drying device 50 connects into plenum chamber 30 lower end by exhaust duct B57 through hothouse 20 indoor, the air inlet B56 of drying device 50 connects into the indoor top of hothouse 20 of plenum chamber 30 opposite side by intake stack B55, and housing 52 top is provided with blower fan 54, blower fan 54 is connected with intake stack B55.Blower fan 54 is preferably induced-draught fan, can by the housing 52 of continuous for the air of indoor suction drying device 50 by induced-draught fan 54, and air after heating tube group 515 is heated, then enters in hothouse 20.Housing 52 top is also provided with the hydrofuge mesh 53 for being entered by moisture except moist chamber 10.
Heater 51 comprises combustion chamber 512, and the some layer heating tube group 515 of stacked distribution above combustion chamber 512, be communicated with in snakelike shape between heating tube group 515, and one of them end port connects combustion chamber 512, another end port connects the exhaust emission tube 517 of waste gas discharge except moist chamber 10.Combustion chamber 512 is also connected with air intake duct 519, and air intake duct 519 extends the outdoor except moist chamber 10, and the oral area of air intake duct 519 is provided with cleaner 518.
Dehumidification equipment 100 also comprises the solar energy air heat collector 80 being arranged on hothouse 20 top, solar energy air heat collector 80 side is provided with heat collector air inlet 81, opposite side is provided with the heat collector exhaust duct 82 be connected with exhaust duct B57, the pipeline of heat collector exhaust duct 82 is provided with the heat collector solenoid valve 85 regulating exhaust air rate.
Indoor top four corners of hothouse 20 are provided with temperature sensor 70 with in moist chamber 10, and heater 51 is provided with heating control module 59, and temperature sensor 70 is connected with heating control module 59.
Preferably, combustion chamber 512 is the diesel combustion room 512 of burning diesel oil or the combustion of natural gas room 512 of gas-firing, can produce huge heat, be then delivered in heating tube group 515 by combustion chamber 512 burning.Heater 51 also comprises base plate 511, base plate 511 supports fixed combustion room 512, the end port connecting the heating tube group 515 of combustion chamber 512 be provided with first between combustion chamber 512 and be connected box body 513, the heating tube group 515 be communicated with in snakelike shape with arrange second between heating tube group 515 and be connected box body 514, the end port connecting the heating tube group 515 of exhaust emission tube 517 is provided with the 3rd and connects box body 516.Flow in heating tube group 515 after the thermal current burnt in combustion chamber 512 connects box body 513 through first, then connecting box body by second flows in next heating tube group 515, by being arranged to the heating tube group 515 of snakelike circulation, make heat can flow through heating tube group 515 endlessly, guarantee that heating tube group 515 has enough heating-up temperatures.Last waste gas then flows into the 3rd and connects box body 516, and is discharged by exhaust emission tube 517.Each heating tube group 515 is arranged side by side by 6-8 root heating tube and forms.
The operation principle of dehumidification equipment of the present utility model:
Hothouse 20 is put into by needing the article of removal moisture drying, run dehydrating unit 60 and drying device 50, wherein, drying device 50 is under the effect of blower fan 54, by intake stack B55 by the air intake housing 52 of hothouse 20 indoor, the heat of combustion chamber 512 burning of heater 51, be sent in heating tube group 515, enter the air of housing 52 by being heated after heating tube group 515, then be sent in plenum chamber 30 by exhaust duct B57, the heat that external solar energy air heat collector 80 produces also enters plenum chamber 30 by heat collector exhaust duct 82 through exhaust duct B57.Hot blast is sent in hothouse 20 by plenum chamber 30 and the wind pushing hole 40 on the common wall of hothouse 20, and after the air of hothouse 20 indoor is recycled heating, temperature rises, and carries out drying to the article be placed in hothouse 20.The air inlet B56 of drying device 50 is the indoor tops of hothouse 20 being arranged on plenum chamber 30 opposite side, exhaust outlet B58 is arranged in plenum chamber 30, air intake position and air-out position in hothouse 20 is made to be in diagonal position, thus formation convection current, make the article of each position of hothouse 20 can obtain better drying effect.Meanwhile, drying device 50 is the air in absorption dehydration room 20, then sends back in hothouse 20 again after heating, and forms a closed drying cycles system, heat loss is few, saves energy and reduce the cost.
Dehydrating unit 60 by the air intake dehydrating unit 60 of hothouse 20 indoor, after dehumidifying, sends the indoor of plenum chamber 30 back to by intake stack A62 by exhaust duct A64 and exhaust outlet A65, form a closed circulation dehumidification system.
Drying device 50 can produce certain Hot wet air heating when heating, in order to remove this part Hot wet air heating, on housing 52 top of drying device 50, hydrofuge mesh 53 is set, the hydrofuge mesh 53 of Hot wet air heating through housing 52 top enters except in moist chamber 10, then dehumidified device 60 sucks through air intake mesh 61, enters dehumidification system, sends the indoor of plenum chamber 30 finally by exhaust duct A64 and exhaust outlet A65 back to, heat recovery, not easily scatters and disappears.
The air inlet B56 of drying device 50 and exhaust outlet B58 forms the convection current at a diagonal angle in hothouse 20, and the air inlet A63 of dehydrating unit 60 and exhaust outlet A65 is in the convection current at another diagonal angle that the indoor formation of plenum chamber 30 intersects with it, enhance desiccant dehumidification effect.
Because hothouse 20 is all provided with temperature sensor 70 with in moist chamber 10, hothouse 20 and the temperature in moist chamber 10 can be detected in real time, when hothouse 20 exceedes setting value with the temperature in moist chamber 10, signal is sent to heating control module 59 in heater 51 by temperature sensor 70, heating control module 59 stops combustion chamber 512 to work, and the dual regulation removing the heat collector solenoid valve 83 of moist chamber solenoid valve 66 and external new forms of energy be located at except moist chamber 10 top by being controlled by it, to regulate and control baking temperature in the temperature range of setting, blower fan 54 works on simultaneously, proceed drying to circulate with dehumidifying.
For ensureing that the hothouse 20 temperature energy long period maintains in set temperature range, the heat collector solenoid valve 83 of the external new forms of energy that the utility model utilizes the waste heat of heating tube group 515 and heating control module 59 to control, what regulate and control solar energy air heat collector 80 enters heat.When the heat that external solar energy produces can maintain always dry temperature required time, combustion chamber 512 is not restarted; Because of the change of outside climatic condition.When the heat that external new forms of energy produce can not maintain dry temperature required time, combustion chamber 512 restarts.
With reference to Fig. 7, dehumidification equipment 100 of the present invention, when multiple stage uses simultaneously, can be removed between moist chamber 10 and is interconnected, thus realizes sharing of heat.
Above exhaustive presentation is carried out to the dehumidification equipment of the wide temperature section regulation and control of a kind of new forms of energy power-assisted provided by the utility model, apply specific case herein to set forth structure of the present utility model and implementation method, the explanation of above embodiment just understands structure of the present utility model and core concept thereof for helping; Meanwhile, for one of ordinary skill in the art, according to thought of the present utility model, all will change in specific embodiments and applications, in sum, this description should not be construed as restriction of the present utility model.To change of the present utility model with to improve to be possible, and design and scope that accessory claim can specify can not be exceeded.

Claims (5)

1. the dehumidification equipment of the wide temperature section regulation and control of new forms of energy power-assisted, it is characterized in that, comprise except moist chamber (10) and hothouse (20), except moist chamber (10) is arranged on hothouse (20) side, hothouse (20) opposite side is provided with plenum chamber (30), and plenum chamber (30) and the common wall of hothouse (20) are provided with wind pushing hole (40); Except being provided with dehydrating unit (60) and drying device (50) in moist chamber (10);
The air inlet A (63) of dehydrating unit (60) connects into hothouse (20) lower end, side by intake stack A (62), exhaust outlet A (65) connects into hothouse (20) opposite side upper end by exhaust duct A (64), the casing of dehydrating unit (60) is also provided with the air intake mesh (61) for absorption dehumidifying room (10) room air; Except moist chamber (10) upper end is also provided with except moist chamber solenoid valve (66);
Drying device (50) comprises housing (52), and the heater (51) in housing (52), the exhaust outlet B (58) of drying device (50) connects into plenum chamber (30) lower end by exhaust duct B (57) through hothouse (20) indoor, the air inlet B (56) of drying device (50) connects into the indoor top of hothouse (20) of plenum chamber (30) opposite side by intake stack B (55), and housing (52) top is provided with blower fan (54), blower fan (54) is connected with intake stack B (55), described housing (52) top is also provided with the hydrofuge mesh (53) for being entered by moisture except moist chamber (10),
Described heater (51) comprises combustion chamber (512), and stacked distribution is some layers of heating tube group (515) of combustion chamber (512) top, be communicated with in snakelike shape between heating tube group (515), and one of them end port connects combustion chamber (512), another end port connects discharges waste gas the exhaust emission tube (517) removing moist chamber (10); Combustion chamber (512) is also connected with air intake duct (519), air intake duct (519) extends the outdoor except moist chamber (10), and the oral area of air intake duct (519) is provided with cleaner (518);
Dehumidification equipment (100) also comprises the solar energy air heat collector (80) being arranged on hothouse (20) top, solar energy air heat collector (80) side is provided with heat collector air inlet (81), opposite side is provided with the heat collector exhaust duct (82) be connected with exhaust duct B (57), the pipeline of heat collector exhaust duct (82) is provided with the heat collector solenoid valve (83) regulating exhaust air rate;
Indoor top four corners of described hothouse (20) and be provided with Temperature Humidity Sensor (70) except in moist chamber (10), heater (51) is provided with heating control module (59), Temperature Humidity Sensor (70) is connected with heating control module (59), and heating control module (59) is connected with heat collector solenoid valve, except moist chamber solenoid valve respectively.
2. dehumidification equipment according to claim 1, it is characterized in that, the air inlet A (63) of described dehydrating unit (60) connects into hothouse (20) the indoor lower end except moist chamber (10) side by intake stack A (62), and exhaust outlet A (65) connects into the indoor upper end of the plenum chamber (30) of opposite side through hothouse (20) indoor by exhaust duct A (64).
3. dehumidification equipment according to claim 1, is characterized in that, the diesel combustion room that described combustion chamber (512) is burning diesel oil or the combustion of natural gas room of gas-firing.
4. dehumidification equipment according to claim 1, it is characterized in that, described heater (51) also comprises base plate (511), base plate (511) is upper supports fixed combustion room (512), the end port connecting the heating tube group (515) of combustion chamber (512) be provided with first between combustion chamber (512) and be connected box body (513), the heating tube group (515) be communicated with in snakelike shape with arrange second between heating tube group (515) and be connected box body (514), the end port connecting the heating tube group (515) of exhaust emission tube (517) is provided with the 3rd and connects box body (516).
5. dehumidification equipment according to claim 1, is characterized in that, described each heating tube group (515) is arranged side by side by 6-8 root heating tube and forms.
CN201520963340.4U 2015-11-26 2015-11-26 Dehumidification drying equipment of wide temperature section regulation and control of new forms of energy helping hand Withdrawn - After Issue CN205156534U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201520963340.4U CN205156534U (en) 2015-11-26 2015-11-26 Dehumidification drying equipment of wide temperature section regulation and control of new forms of energy helping hand

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Application Number Priority Date Filing Date Title
CN201520963340.4U CN205156534U (en) 2015-11-26 2015-11-26 Dehumidification drying equipment of wide temperature section regulation and control of new forms of energy helping hand

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105403003A (en) * 2015-11-26 2016-03-16 王正宇 Dehumidification drying equipment and method controlled by new energy assistance and wide temperature section

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105403003A (en) * 2015-11-26 2016-03-16 王正宇 Dehumidification drying equipment and method controlled by new energy assistance and wide temperature section

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Granted publication date: 20160413

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