CN104406370B - Energy-saving hot-blast drying unit - Google Patents
Energy-saving hot-blast drying unit Download PDFInfo
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- CN104406370B CN104406370B CN201410670471.3A CN201410670471A CN104406370B CN 104406370 B CN104406370 B CN 104406370B CN 201410670471 A CN201410670471 A CN 201410670471A CN 104406370 B CN104406370 B CN 104406370B
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Abstract
Disclosed by the invention is a kind of energy-saving hot-blast drying unit, this device includes heating chamber and the drying chamber being connected by blast pipe with backwind tube, described heating chamber includes air stove and surrounds the furnace outer wall of air stove, described air stove is divided into upper and lower two parts, top is divided into combustor, bottom is divided into slag removing chamber, centre is provided with wind-drive device, air stove top is provided with chimney, heat build-up room is formed between furnace outer wall and air stove top, described blast pipe is positioned on the furnace outer wall of heat build-up room, and described backwind tube is positioned at the bottom of heating chamber and drying chamber.The invention has the beneficial effects as follows: by wind-drive device being provided below at combustor, fuel can fully be burnt, save the energy, blast pipe and backwind tube it is provided with between heating chamber and drying chamber, hot blast air can be recycled, improve heat energy service efficiency, can well the dampness in drying chamber be discharged by arranging weep hole bottom drying chamber so that drying effect is more preferable.
Description
Technical field
The present invention relates to the drying field of the crops such as Nicotiana tabacum L., particularly relate to a kind of energy-saving hot-blast drying unit.
Background technology
Life there is a lot of needs gather in the best fruiting period, crops edible again after air-drying and fruit and vegerable, such as Nicotiana tabacum L., Fructus Capsici, flower
Green pepper, Auricularia, Lentinus Edodes, Fructus Vitis viniferae and some kernels and potato class.These crops are necessary for quickly being dried place after plucking
Reason is to increase its holding time, and traditional processing method mostly uses natural air drying or baking, some crops must also use de-
Water preparation processes.Dry with natural wind has specific requirement, such as seashore wind big to weather and region, and desert area air is done
Dry, it is all suitable for natural wind and dries, but use natural wind to dry and also have shortcoming, the longest, and the crops processed
Sandy soil can be attached with fruit and vegetable surfaces unavoidably, affect the later stage edible.For most hinterland, baking the most all can only be used
Mode carry out drying and processing, the technological process that baking is dried is: first use hot water space heating boiler or hot air boiler etc. to provide heat energy, profit
Improving the air in baking room by heat transfer or directly the hot-air that burning produces be passed through baking room, in making baking room, temperature raises,
Thus accelerate the moisture loss of crops in baking room, reach the purpose dried.
The shortcoming of hot water space heating boiler is that room temperature rises slowly, and fuel consumption is many, and cost is high, and maintenance cost is the highest.Traditional hot air boiler
Mostly there is also fuel combustion insufficient, hot blast air can not recycle, and the dampness in drying chamber is difficult to the deficiencies such as discharge, institute
To be necessary that studying one can make full combustion of fuel, the energy-saving hot-blast drying plant that hot blast can recycle.
Summary of the invention
For overcoming existing hot-air drying unit fuel combustion insufficient, hot blast air can not recycle, and the dampness in drying chamber is not
The deficiencies such as easy discharge, the technical problem to be solved is: provides a kind of and can save the hot-air seasoning that energy use efficiency is high
Device.
The technical solution adopted for the present invention to solve the technical problems is: energy-saving hot-blast drying unit, including by blast pipe and return
Airduct be connected heating chamber and drying chamber, described heating chamber include air stove and surround air stove furnace outer wall.Described air stove divides
For upper and lower two parts, top is divided into combustor, bottom to be divided into slag removing chamber；Wind dish, wind it is provided with between described combustor and slag removing chamber
Dish is provided with more than three through holes being evenly arranged, and is provided with wind centralizing cavity below wind dish, and described through hole communicates with the chamber of wind centralizing cavity,
Wind centralizing cavity side is provided with the ajutage that the chamber with wind centralizing cavity communicates, and the other end of ajutage is provided with aerator, at the end of wind centralizing cavity
Portion is provided with building cinder notch；Air stove top is provided with chimney, and described chimney passes furnace outer wall top, between furnace outer wall and air stove top
Forming heat build-up room, described blast pipe is positioned on the furnace outer wall of heat build-up room, and blast pipe is positioned at one end of drying chamber and is provided with induced-draught fan, institute
Stating backwind tube and be positioned at the bottom of heating chamber and drying chamber, the both sides of described backwind tube are provided with weep hole, and the position of described weep hole is low
In the position of backwind tube, weep hole is connected with air-introduced machine.
Further, corresponding with combustor and slag removing chamber on the furnace wall of described air stove place is respectively equipped with feed cavity and goes out
Slag chamber, is provided with hatch door in feed cavity away from one end of air stove, is provided with support in the bottom of air stove.
Further, the top of described air stove is the curved panel concaved, and described chimney is two, lays respectively at arc
The two ends that panel is higher, chimney is provided with flange arrangement, and described chimney is connected with air stove by flange arrangement.
Further, the steel pipe of through air stove, the two ends of described steel pipe and air stove it are provided with at the top of described combustor
Furnace wall seals welding, is interspersed with radiating tube in steel pipe, and described radiating tube is also through the furnace outer wall of heating chamber.
Further, it is characterized in that: described furnace outer wall is the wall built by laying bricks or stones by brick body, at feed cavity and tapping chamber correspondence position
Leave through hole.
Further, described induced-draught fan and air-introduced machine are controlled by the control device of drying chamber, and described control device is with constant temperature
Control system.
The invention has the beneficial effects as follows: by wind dish and wind centralizing cavity being provided below at combustor, air accumulation makes at bottom of combustion chamber
Obtain full combustion of fuel, saved the energy, between heating chamber and drying chamber, be provided with blast pipe and backwind tube so that hot blast is empty
Gas can recycle, and improves heat energy service efficiency, can be well by drying chamber by arranging weep hole bottom drying chamber
Dampness is discharged so that drying effect is more preferable.
Accompanying drawing explanation
Fig. 1 is the side view of the present invention.
Fig. 2 is the front view of the present invention.
Being labeled as in figure, 1-heating chamber, 2-drying chamber, 3-air stove, 4-wind dish, 10-blast pipe, 11-heat build-up room, outside 12-stove
Wall, 20-backwind tube, 21-wall, 22-induced-draught fan, 23-weep hole, 24-air-introduced machine, 31-combustor, 32-slag removing chamber, 33-
Chimney, 34-support, 35-curved panel, 36-steel pipe, 37-radiating tube, 41-through hole, 42-wind centralizing cavity, 43-leaks cinder notch, 44-
Ajutage, 45-aerator, 311-feed cavity, 312-hatch door, 321-tapping chamber, 331-flange arrangement.
Detailed description of the invention
The present invention is further described below in conjunction with the accompanying drawings.
As shown in Figure 1 and Figure 2, the present invention is broadly divided into heating chamber 1 and drying chamber 2 two parts, and heating chamber 1 is used for providing heat
Wind, drying chamber 2 is used for placing crops, is connected with blast pipe 10 and backwind tube 20 between heating chamber 1 and drying chamber 2, heating
The hot blast produced in room 1 enters drying chamber 2 by blast pipe 10, and the cold air in drying chamber 2 settles down by backwind tube 20
Enter heating chamber 1 to recycle.Heating chamber 1 includes air stove 3 and surrounds the furnace outer wall 12 of air stove 3, described air stove 3
Using Plate Welding, and be divided into upper and lower two parts, top is divided into combustor 31, and bottom is divided into slag removing chamber 32, pushes up in air stove 3
Portion is provided with chimney 33, and described chimney 33, through furnace outer wall 12 top, forms heat build-up between furnace outer wall 12 and air stove 3 top
Room 11, described blast pipe 10 is positioned on the furnace outer wall of heat build-up room 11, and described backwind tube 20 is positioned at heating chamber 1 and drying chamber 2
Bottom.
The work process of the present invention is: put into timber or coal in combustor 31, and the lime-ash after burning falls into following slag removing chamber
32 discharge, and the flue gas that burning produces is discharged by the chimney 33 at air stove 3 top, and the flue gas that burning produces will by chimney 33
Heat passes to the air in heat build-up room 11, after the air themperature in heat build-up room 11 reaches certain value, then by blast pipe 10
Being discharged in drying chamber 2, dry crops, the air bells laid after heat exchange gets off, due to air in heating chamber 1
Pressure is less than the pressure in drying chamber 2, so the air bottom drying chamber 2 can drop automatically into heating chamber 1 recycling
Low heat-energy losses.
It not the most typically do very big, so putting into fuel for convenience and discharging lime-ash, in air stove 3 due to air stove 3
Place corresponding with combustor 31 and slag removing chamber 32 on furnace wall is respectively equipped with feed cavity 311 and tapping chamber 321, in feed cavity 311
One end away from air stove 3 is provided with hatch door 312, and feed cavity 311 is also adopted by the steel plate identical with air stove 3 with tapping chamber 321
Being welded, profile can be square, it is simple to makes, arranges hatch door 312 primarily to prevent flue gas from feed cavity 311
Out, operated by personnel is affected.In order to preferably place air stove 3, it is provided with support 34 in the bottom of air stove 3.
In order to increase the heating surface area at air stove 3 top and make flue gas be more easy to discharge, the top of air stove 3 is made inwardly
Recessed arcuate structure, is provided with two stacks 33 at the two ends that the curved panel 35 at top is higher, and this structure makes combustor
31 flue gases produced can spread on phase both sides under the effect of curved panel 35, then discharges from the chimney 33 on both sides.Transport for convenience
Defeated and install, chimney 33 is provided with flange arrangement 331, described chimney 33 is connected with air stove 3 by flange arrangement 331,
If needing longer chimney 33 can also be spliced by flange arrangement 331.
In view of air stove 3 often long lasting for heating, the temperature of combustor 31 can constantly raise, it is possible to the heat that can make
The bottom of wind furnace 3 is burnt, it is therefore necessary to arrange some radiator structures, particularly the top at described combustor 31 is provided with
The steel pipe 36 of through air stove 3, the two ends of described steel pipe 36 seal with the furnace wall of air stove 3 and weld, by arranging this passing through
The steel pipe 36 of logical air stove 3, increases the contact area of air stove 3 and space, accelerates the heat radiation of air stove 3 top half.
If effect is the most bad, can interspersed common steel tube is made in steel pipe 36 again after placing air stove 3 radiating tube
37, described radiating tube 37, also through the furnace outer wall 12 of heating chamber 1, utilizes radiating tube 37 that heat exports to heating chamber 1 external enwergy
Well reduce the temperature of combustor 31 furnace wall, extend the service life of air stove 3.
In order to save the energy, make fuel fully to burn, between combustor 31 and slag removing chamber 32, be provided with a wind dish 4,
The through hole 41 having at least three to be evenly arranged on described wind dish 4, is provided with air-supply arrangement in the lower section of through hole 41.In heating
Time, wind through hole 41 from wind dish 4 is blown in the fuel of combustor 31, thus accelerates the burning of fuel by air-supply arrangement,
Improve efficiency of combustion, reduce the environmental pollution that non-complete combustion of fuel brings.
According to practical situation, described air-supply arrangement can be directly to fill a fan for 4 times at wind dish, it is also possible to is to pass through ajutage
44 and aerator 45 air outside heating chamber 1 is led into, concrete structure is that ajutage 44 one end is arranged on wind dish 4
Close beneath, the other end is passed the furnace outer wall 12 of heating chamber 1 and connects an aerator 45, being drawn by air by aerator 45
Entering below wind dish 4, the benefit blown in this way is to bring more oxygen into, makes burning more abundant.
Wind in order to preferably make aerator 45 introduce is fully utilized, and is provided with a wind centralizing cavity below described wind dish 4
42, this wind centralizing cavity 42 can be the sleeve of a taper type structure, and one end that wind centralizing cavity 42 is big is fixed on below wind dish 4,
Described ajutage 44 is connected on wind centralizing cavity 42 and communicates with the chamber of wind centralizing cavity 42, and the wind come in from ajutage 44 is by collection wind
The effect that collects in chamber 42 makes wind-force more concentrate more greatly, thus further increases the efficiency of combustion of fuel, the most just accelerates whole
The general work efficiency of drying plant.
For some jumbo drying chambers, needing a bigger heating chamber to provide heat energy, the wall using brick body to build by laying bricks or stones is made
Can reduce cost for furnace outer wall 12, and brick body heat-exchange capacity is strong, heat storage capacity is strong, the when that combustor 31 working outside stove
Wall 12 can fully absorb heat energy, and after combustor 31 stops burning, furnace outer wall 12 can transfer thermal energy to again be formed in air hot blast
Enter drying chamber 2, decrease energy loss to a certain extent.Additionally on furnace outer wall 12 with the combustor 31 of air stove 3
The place corresponding with slag removing chamber 32 is provided with through hole, is for the ease of putting into fuel and removing lime-ash.
Further, the one end being positioned at drying chamber 2 at described blast pipe 10 is provided with induced-draught fan 22, at the wall 21 of drying chamber 2
The both sides of upper backwind tube 20 are provided with weep hole 23, and the position of described weep hole 23 is less than the position of backwind tube 20, weep hole 23
On be connected with air-introduced machine 24.The effect of induced-draught fan 22 is to be drawn in drying chamber 2 by the hot blast in heat build-up room 11, backwind tube 20
It is then to make in drying chamber 2 air after heat exchange be drained into again in heating chamber 1 to recycle.When the crops in drying chamber 2 are lost
After water, substantial amounts of steam can be gathered in the bottom of drying chamber 2 and is difficult to discharge, and the air entering backwind tube 20 also has the first constant temperature
Degree is difficult to take away the dampness of bottom, so needing the air being introduced the external world by air-introduced machine 24 and weep hole 23 to make it mix with dampness
Dampness could be discharged from backwind tube 20 after conjunction, the position of weep hole 23 should near backwind tube 20 and slightly below backwind tube 20,
Dehumidifying effect so can be made to reach best.
In order to preferably control the working condition of drying chamber 2, drying chamber 2 is provided with control device, described induced-draught fan 22 He
The start and stop of air-introduced machine 24 are controlled by this control device, and described control device, can be according to the temperature set with thermostatic control system
Reasonably start and stop induced-draught fan 22, controls the heat energy sucked, and detects the moisture conditions bottom drying chamber 2 at any time, reach certain
Just open air-introduced machine 24 after value and carry out dehumidifying.
The heating, drying device that the present invention is integrated, whole apparatus structure is simple, designs ingenious, fabrication and processing low cost, and
And the saving energy, drying efficiency is high, has the strongest practicality for common peasant household or small business.
Claims (6)
1. energy-saving hot-blast drying unit, including the heating chamber (1) being connected with backwind tube (20) by blast pipe (10) and baking
Dry chamber (2), described heating chamber (1) includes air stove (3) and surrounds the furnace outer wall (12) of air stove (3), it is characterized in that:
Described air stove (3) is divided into upper and lower two parts, and top is divided into combustor (31), and bottom is divided into slag removing chamber (32)；
Being provided with wind dish (4) between described combustor (31) and slag removing chamber (32), wind dish (4) is provided with more than three uniform cloth
The through hole (41) put, wind dish (4) lower section is provided with wind centralizing cavity (42), the chamber phase of described through hole (41) and wind centralizing cavity (42)
Logical, wind centralizing cavity (42) side is provided with the ajutage (44) that the chamber with wind centralizing cavity (42) communicates, another of ajutage (44)
End is provided with aerator (45), is provided with building cinder notch (43) in the bottom of wind centralizing cavity (42)；
Described air stove (3) top is provided with chimney (33), and described chimney (33) passes furnace outer wall (12) top, furnace outer wall
(12) forming heat build-up room (11) and between air stove (3) top, described blast pipe (10) is positioned at the stove of heat build-up room (11)
On outer wall, blast pipe (10) is positioned at one end of drying chamber (2) and is provided with induced-draught fan (22), and described backwind tube (20) is positioned at and adds
Hot cell (1) and the bottom of drying chamber (1), the both sides of described backwind tube are provided with weep hole (23), described weep hole (23)
Position, less than the position of backwind tube (20), weep hole (23) is connected with air-introduced machine (24).
2. energy-saving hot-blast drying unit as claimed in claim 1, is characterized in that: on the furnace wall of described air stove (3) with
The place of combustor (31) and slag removing chamber (32) correspondence is respectively equipped with feed cavity (311) and tapping chamber (321), in feed cavity
(311) one end away from air stove (3) is provided with hatch door (312), is provided with support (34) in the bottom of air stove (3).
3. energy-saving hot-blast drying unit as claimed in claim 1, is characterized in that: the top of described air stove (3) is inside
Recessed curved panel (35), described chimney (33) is two, lays respectively at the two ends that curved panel (35) is higher, chimney (33)
Being provided with flange arrangement (331), described chimney (33) is connected with air stove (3) by flange arrangement (331).
4. energy-saving hot-blast drying unit as claimed in claim 1, is characterized in that: be provided with at the top of described combustor (31)
The steel pipe (36) of through air stove (3), the two ends of described steel pipe (36) seal with the furnace wall of air stove (3) and weld, at steel
Being interspersed with radiating tube (37) in pipe (36), described radiating tube (37) is also through the furnace outer wall (12) of heating chamber (1).
5. energy-saving hot-blast drying unit as claimed in claim 2, is characterized in that: described furnace outer wall (12) is for build by laying bricks or stones by brick body
Wall, leave through hole in feed cavity (311) and tapping chamber (321) correspondence position.
6. the energy-saving hot-blast drying unit as described in Claims 1 to 5 any one claim, is characterized in that: described induced-draught fan
(22) and air-introduced machine (24) by drying chamber (2) control device control, described control device is with thermostatic control system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410670471.3A CN104406370B (en) | 2014-11-20 | 2014-11-20 | Energy-saving hot-blast drying unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410670471.3A CN104406370B (en) | 2014-11-20 | 2014-11-20 | Energy-saving hot-blast drying unit |
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| Publication Number | Publication Date |
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| CN104406370A CN104406370A (en) | 2015-03-11 |
| CN104406370B true CN104406370B (en) | 2016-09-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410670471.3A Active CN104406370B (en) | 2014-11-20 | 2014-11-20 | Energy-saving hot-blast drying unit |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105526780A (en) * | 2015-11-06 | 2016-04-27 | 李宏江 | Various simple and easy five-cereal drying compartment trough rooms |
| CN114322459A (en) * | 2021-11-22 | 2022-04-12 | 蓝山县恒华米业有限公司 | Rice drying-machine |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1748268A2 (en) * | 2005-07-29 | 2007-01-31 | Josef Walderdorff | Process for drying goods. |
| CN101699201A (en) * | 2009-09-11 | 2010-04-28 | 响水梦飞斯新型纤维材料科技有限公司 | Energy-saving drying device |
| CN101769672A (en) * | 2009-01-05 | 2010-07-07 | 上海凯奥机器有限公司 | Heat recovery type dryer |
| CN202501732U (en) * | 2012-02-08 | 2012-10-24 | 饶世军 | Hot-air kitchen range |
| CN202973814U (en) * | 2012-12-10 | 2013-06-05 | 西昌市禾兴温室材料厂 | Heat dissipation furnace and drying room with the same |
| CN204240724U (en) * | 2014-11-20 | 2015-04-01 | 四川省烟草公司攀枝花市公司（攀枝花市烟草公司） | Energy-saving hot-blast drying unit |
-
2014
- 2014-11-20 CN CN201410670471.3A patent/CN104406370B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1748268A2 (en) * | 2005-07-29 | 2007-01-31 | Josef Walderdorff | Process for drying goods. |
| CN101769672A (en) * | 2009-01-05 | 2010-07-07 | 上海凯奥机器有限公司 | Heat recovery type dryer |
| CN101699201A (en) * | 2009-09-11 | 2010-04-28 | 响水梦飞斯新型纤维材料科技有限公司 | Energy-saving drying device |
| CN202501732U (en) * | 2012-02-08 | 2012-10-24 | 饶世军 | Hot-air kitchen range |
| CN202973814U (en) * | 2012-12-10 | 2013-06-05 | 西昌市禾兴温室材料厂 | Heat dissipation furnace and drying room with the same |
| CN204240724U (en) * | 2014-11-20 | 2015-04-01 | 四川省烟草公司攀枝花市公司（攀枝花市烟草公司） | Energy-saving hot-blast drying unit |
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