CN106723263B - A kind of intensive flue-cured tobacco thermal cycle drying equipment - Google Patents

A kind of intensive flue-cured tobacco thermal cycle drying equipment Download PDF

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Publication number
CN106723263B
CN106723263B CN201510820069.3A CN201510820069A CN106723263B CN 106723263 B CN106723263 B CN 106723263B CN 201510820069 A CN201510820069 A CN 201510820069A CN 106723263 B CN106723263 B CN 106723263B
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drying room
drying
heat
fan shaft
power supply
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CN106723263A (en
Inventor
谢中
谢一中
谢新宇
荐春晖
谢坤焰
冯强
耿伟
袁治理
谢硕
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Hanyin County Haozheng Environmental Protection Technology Co ltd
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Abstract

A kind of intensive flue-cured tobacco thermal cycle drying equipment of the present invention, belong to drying equipment technical field, a kind of intensive flue-cured tobacco thermal cycle drying equipment is provided, the equipment can improve endogenous pyrogen thermal current flow in drying room and lengthen and expand the radiant heat area raising thermal efficiency, tobacco leaf face thermal dehydration uniform drying is quick, can also recycling heat energy, assemble distilled water, have effects that energy-saving and emission-reduction.This intensive flue-cured tobacco thermal cycle drying equipment is made of drying room, heat power supply device and thermal balance device, and main points are:The ground in the middle part of drying room is arranged for heat power supply device in the following, thermal balance device is arranged at the indoor middle part of drying room.Low manufacture cost of the present invention, it is easy to operate, it is easy to use, it is easy to spread.

Description

A kind of intensive flue-cured tobacco thermal cycle drying equipment
Technical field
The invention belongs to drying equipment technical field, more particularly to a kind of intensive flue-cured tobacco thermal cycle drying equipment.
Background technology
The commonly used one kind in each tobacco leaf production area in the whole nation is introduced technology with foreign countries now, and the country absorbs improved entitled " intensive flue-cured tobacco stove ".The equipment and technology scheme is:Revetment body is brick, concrete or heat insulating sandwich color steel structure outside tobacco leaf drying room At, it dries in the middle part of room and both walls is provided with to shelve and hangs cigarette pole cross-arm, intensive three layers of the discharge of extension cigarette pole, three layers of extension intensive discharge of cigarette pole Baking room upper and lower part reserve larger space, for drying thermal current flow in opposite directions.Thermal current heat source is dried, hot-blast stove is mounted on The drying room feeding gate other end.Air port is driven into drying room end wall top portion in outside.Hot-blast stove hot gas is from upper end air inlet by rousing Wind turbine is blown into drying room, hot gas in the case where air blower forces stream pressure, penetrate the fresh tobacco leaf for being oven-dried intensive row and hanging from top to bottom Gap is discharged by drying room lower part slot milling and both-side opening, and the hygrothermograph detection cup being placed in tobacco leaf is connected to intelligent control Instrument modulation processed is lower to complete tobacco leaf dehydration, discoloration, the technological process of fixation to finished product.Its advantage is that older flue-cured tobacco furnace technology progress Energy consumption is relatively low, and under intelligence instrument regulation and control, quality is secure.Its shortcoming is:External heat source heat energy loss is big, hot-blast stove The high temperature gas flow of generation reconciles by sucking cold air, and there are many invalid thermal energy that hot-blast stove smoke evacuation is taken away, and the hot wind blasted is at opposite Linear flow is discharged, and the front is high and the back is low for temperature, and the cold air hot wind thermal energy waste that a large amount of adjustments uniformly meet technological temperature is larger, dries The indoor temperature difference up and down is big, and tobacco leaf uneven heating is even, and dry slow, low output, energy consumption is big, and producing cost is big.A large amount of dehydration water Steam empties, and waste heat does not utilize.
Invention content
The present invention provides a kind of intensive flue-cured tobacco thermal cycle drying to solve technical problem present in known technology and sets Standby, which can improve endogenous pyrogen thermal current flow in drying room and lengthen and expand the radiant heat area raising thermal efficiency, tobacco leaf Face thermal dehydration uniform drying is quick, moreover it is possible to which recycling heat energy assembles distilled water, has effects that energy-saving and emission-reduction.
The technical solution that the present invention solves technical problem is that this intensive flue-cured tobacco thermal cycle drying equipment is by drying room, warm Source device and thermal balance device composition, main points are:The ground in the middle part of drying room is arranged in the following, thermal balance device is set in heat power supply device It sets at the indoor middle part of drying room,
The top of the drying room is made of top layer outside drying room and drying building overlay, the outer top layer of drying room and drying It is moisture passages between building overlay, is provided with outer hydrofuge outlet in the middle part of top layer outside drying room, outer hydrofuge outlet is provided with Control valve is provided with interior hydrofuge outlet in the middle part of drying building overlay, is arranged between outer hydrofuge outlet and the outlet of interior hydrofuge Hydrofuge fan;The both sides wall of drying room is interlayer wall, and the outer top layer of drying room is built on the exterior wall of interlayer wall, drying room Interior top layer is built on the interior wall of interlayer wall;Heat absorption air intake passage is provided in interlayer wall body interlayer, absorb heat air intake passage Top be air inlet, air inlet stretches out the outer top layer of drying room, the lower part of the air intake passage that absorbs heat by heat absorption enter the wind connecting tube with Ground level heat conducting pipe is connected to;The lower end of interlayer wall is provided with catch basin, water pond is communicated with the interlayer of interlayer wall, polywater The Chi Kou in pond is hydrofuge gas outlet;Ground level heat conducting pipe and side wall heat conducting pipe, ground level heat conduction are provided in drying chamber Pipe is connected to through heat conduction bend pipe with side wall heat conducting pipe, and side wall heat conducting pipe is connected to through flue gas discharge connecting tube with smoke discharge tube;
The heat power supply device is made of furnace box body, and the first half is burner hearth in the furnace box body, and lower half is ash Hole, the upper surface of burner hearth activity setting burner hearth Lu Hong;The activity setting burner hearth grate between burner hearth and ashcan;Combustion Fire door is arranged at the hole in fire door hole in one end setting fire door hole for burning burner hearth;Ash hole is arranged below hole in fire door;Burner hearth The other end setting patch ground fire tube interface, patch ground fire tube through paste ground fire tube interface be connected to burner hearth;Secondary air Outlet setting is connected to below patch ground fire orifice with ashcan;One end of secondary air nozzle and patch ground fire orifice under grate Connection, the other end are connected to across secondary air inlet with ashcan;Even heat penetration sky cover board is covered in the upper surface of furnace box body;
The thermal balance device is made of fan shaft and flabellum, and the flabellum is that helical form flabellum is band-like to be prolonged around fan shaft It stretches and is arranged on fan shaft, fan shaft both ends are each provided with spring bearing, and fan shaft one end is arranged in spring bearing, the other end Across spring bearing, the fan shaft end across spring bearing is provided with belt pulley;
Middle part is arranged in drying chamber in the thermal balance device, and middle part is provided with screw type flabellum in drying room The screw type fan of fan shaft support saddle frame, thermal balance device is arranged on screw type fan-leaf fan shaft stool frame, screw type flabellum Fan shaft stretches out the outdoor of drying room, and screw type fan-leaf fan is arranged in the screw type fan-leaf fan axis spindle nose stretched out outside drying chamber Shaft pulley;Be below ground in the middle part of the described heat power supply device setting drying room, patch ground fire tube one end of heat power supply device with The ground level heat conducting pipe connection being arranged in drying room, the other end are connected to the burner hearth of heat power supply device.
Intensive flue-cured tobacco thermal cycle drying equipment of the present invention, the patch ground fire tube of the heat power supply device, setting quantity are Two;The ground level heat conducting pipe of the drying room setting is two and is arranged on ground level point both sides;Two patch ground fire tubes point Not Lian Jie drying room divide both sides be arranged ground level heat conducting pipe.
The component parts of intensive flue-cured tobacco thermal cycle drying equipment of the present invention, the heat power supply device is prefabricated components, heat Source device is to be assembled with prefabricated components.
Intensive flue-cured tobacco thermal cycle drying equipment of the present invention, the ground level heat conducting pipe being provided in the drying room and side Metope heat conducting pipe is that revolution is arranged.
Intensive flue-cured tobacco thermal cycle drying equipment of the present invention, the thermal balance device are arranged in the centre of drying room, heat Screw type fan vertical array, spacing three screw type fans of equal setting of balancer.
Beneficial effects of the present invention:
1, intensive flue-cured tobacco thermal cycle drying equipment of the present invention is interior since intensive flue-cured tobacco stove external heat source is moved into baking room Heat source, the thermal current that endogenous pyrogen is generated introduce patch and dry room floor heat conducting pipe, returned through device high heat conduction material heat conducting pipe on ground It rotates into metope heat conducting pipe, is then discharged out airspace, thus improve endogenous pyrogen thermal current and drying indoor flow lengthening and expanding Radiant heat area improves the thermal efficiency, reaches energy-saving purpose.
2, intensive flue-cured tobacco thermal cycle drying equipment of the present invention, since the thermal balance device being arranged in drying room is mounted on Longitudinal space installation transverse fan bracing strut is separated out in the middle part of drying room, horizontal axis screw type fan leaf is turned by the commutation of upper and lower fan Dynamic, the indoor hot-air of baking of supplying heat source stove heat forms upper, middle and lower vortex gas flow and penetrates into the tobacco leaf gap that dense arrangement is hung In, make it is dry thermal current is more uniform is dispersed in curve or wavy flowing in tobacco leaf, it is fast to reach tobacco leaf face thermal dehydration uniform drying The purpose of speed improves drying efficiency.
3, intensive flue-cured tobacco thermal cycle drying equipment of the present invention, since the top layer of room is double-deck, side wall is interlayer, ceiling The double-deck interlayer with side wall constitutes hydrofuge channel, the Chi Kou discharges for the catch basin that moisture is connected from the lower end of interlayer, in sandwich wall It is provided with heat absorption air intake passage in body, in the process of cold air heat absorption, had both improved the temperature of air-flow, and had also reduced the temperature of moisture Degree makes to assemble after vapor condensation in moisture flowing into catch basin, can save water resource;It at the top of drying room bilayer top Between fan is set, the hydrofuge outlet setting control valve of top longitudinal opening opens control valve when humidity is larger, accelerates Hydrofuge, or the strong and weak height of regulating and controlling temperature humidity air flow is programmed according to specifications of quality technical matters element, Optimum Regulation environment is arranged It applies.
4, intensive flue-cured tobacco thermal cycle drying equipment of the present invention, it is effective to improve since drying ceiling and side wall are bilayer The heat-insulating property of drying room.Inspiratory waveform hollow sandwich plate between drying room inside heat insulation wall and outer facing wall, top are stretched out outer Roof stays collar extension suck to enter wave mode sandwich plate tubular conduit, is passed through the indoor heat conducting pipe floor outlet of baking through conduit of turning back below To gas, preheated with this and heat drying hot gas displacement hydrofuge gas, as a result, the drying hot-air through vapor exhaust-heat heating into Enter drying room, reduce cold air replacement dewatering steam heat loss, in this cold and hot exchange, while it is spare to have accumulated aquae destillata, reaches To flue-cured tobacco energy-saving and water-saving thermal cycle two-win efficiency purpose.
5, intensive flue-cured tobacco thermal cycle drying equipment of the present invention, since the combustion furnace of heat power supply device is designed as with horizontal type structure Pedestal box body shape, burner hearth design Prefabricated composite part by process specifications, are assembled into pedestal babinet frame;It burns in heat source Burner hearth lower end is arranged secondary wind inleting tube and enters the wind, and nozzle setting goes out the defeated heat pipe of heat pipe mouth patch heat conduction and burner hearth in the middle part of space for collecting ashes in a stove rear end In front of front port position, combustion oxygen outlet does not burn hydrocarbon high temperature hot gas blending with combustion furnace and obtains abundant burning, therefore, this The heat power supply device of multifuel firing is not only realized in invention, but also energy-saving low-carbon burns, and improves the thermal efficiency.
By the improvement of above several respects, under the situation of close scale of construction volume, the art of this patent thermal cycle polywater flue-cured tobacco Stove and current intensive flue-cured tobacco furnace technology structure and efficiency difference difference parameter such as following table:
Description of the drawings
Fig. 1 is the structural schematic diagram of the embodiment of the present invention;
Fig. 2 is A-- A of Fig. 1 example structure schematic diagrams to structural schematic diagram;
Fig. 3 is the vertical view of heat power supply device in Fig. 1 example structure schematic diagrams;
Fig. 4 is the rearview of heat power supply device in Fig. 1 example structure schematic diagrams.
Label in figure be:Drying room 1, heat power supply device 2, ground level heat conducting pipe 3, wall side heat conducting pipe 4, drying room push up outside Layer 5 dries building overlay 6, moisture passages 7, outer hydrofuge outlet 8, interior hydrofuge outlet 9, hydrofuge fan 10, interlayer wall 11, suction Hot air intake passage 12, catch basin 13, heat absorption air intake passage air inlet 14, heat absorption air inlet connecting tube 15, burner hearth Lu Hong 16, stove Ground quirk is pasted in door opening 17, burner hearth grate 18, ashcan 19, ash hole 20, burner hearth 24, fire door 25, secondary air outlet 26 Interface 27, secondary air nozzle 28 under grate paste ground flame path connecting pipe 29, screw type fan-leaf fan shaft stool frame 21, spiral Connecting tube is discharged in type fan-leaf fan flabellum 22, screw type fan-leaf fan axis 23, screw type fan-leaf fan shaft pulley 30, flue gas 31, smoke discharge tube 32, heat conduction bend pipe 33, control valve 34, catch basin pond mouthful 35.
Specific implementation mode
In order to further understand the content, features and effects of the present invention, the following examples are hereby given, it is described in detail such as Under:
Embodiment one:
Referring to Fig.1, Fig. 2, Fig. 3 and Fig. 4, intensive flue-cured tobacco thermal cycle drying equipment are equal by drying room 1, heat power supply device and heat Weigh device composition,
The top of the drying room 1 is made of top layer outside drying room 5 and drying building overlay 6, the outer top layer 5 of drying room and baking It is moisture passages 7 between dry building overlay 6, the middle part of top layer 5 is provided with outer hydrofuge outlet 8 outside drying room, in outer moisture exhausting port 8 Place is provided with control valve 34;The middle part of drying building overlay 6 is provided with interior hydrofuge outlet 9, outer hydrofuge outlet 8 and interior hydrofuge Setting hydrofuge fan 10 between outlet 9;The both sides wall of drying room 1 is interlayer wall 11, and drying room outside build in interlayer by top layer 5 On the exterior wall of wall 11, drying building overlay 6 is built on the interior wall of interlayer wall 11;It is provided in 11 interlayer of interlayer wall Absorb heat air intake passage 12, and the top of heat absorption air intake passage 12 is heat absorption air intake passage air inlet 14, and absorb heat air intake passage air inlet 14 stretch out the outer top layer 5 of drying room, and the lower part for the air intake passage 12 that absorbs heat is entered the wind connecting tube 15 by heat absorption and connected with ground level heat conducting pipe 3 It is logical;The lower end of interlayer wall 11 is provided with catch basin 13, catch basin 13 is communicated with the interlayer of interlayer wall 11, catch basin 13 Catch basin pond mouthful 35 is damp exit;It is provided with ground level heat conducting pipe 3 and side wall heat conducting pipe 3, ground level in drying room Room 1 Heat conducting pipe 3 is connected to through heat conduction bend pipe 33 with side wall heat conducting pipe 3, and connecting tube 31 and flue gas is discharged through flue gas in side wall heat conducting pipe 3 Discharge pipe 32 is connected to.
The first half is burner hearth 24 in the furnace box body 2 of the heat power supply device, and lower half is ashcan 19, burner hearth 24 Activity setting burner hearth Lu Hong 16 above;The activity setting burner hearth grate 18 between burner hearth 24 and ashcan 19;Combustion furnace Fire door 25 is arranged at the hole in fire door hole 17 in one end setting fire door hole 17 of thorax 24;17 following settings ash hole 20 of fire door hole;Combustion Burn burner hearth 24 the other end setting patch ground fire tube connecting tube 29, patch ground fire tube connecting tube 29 through paste ground fire tube interface 27 with Burner hearth 24 is connected to;One end of secondary wind inleting tube 28 is connected to patch ground fire tube connecting tube 29 under grate, and the other end is set Secondary air outlet 26 below patch ground fire tube interface 27 is connected to ashcan 19.
The thermal balance device is made of screw type fan-leaf fan, and screw type fan-leaf fan flabellum 22 is band-like around screw type Fan-leaf fan axis 23 is extended on screw type fan-leaf fan axis 23;23 spindle nose of screw type fan-leaf fan axis is arranged screw type and fans Blade fan shaft pulley 30.
Screw type fan-leaf fan shaft stool frame 21 is additionally provided in drying room 1, the screw type fan of thermal balance device is set It sets on screw type fan-leaf fan shaft stool frame 21, screw type fan-leaf fan axis 23 stretches out the outdoor of drying room 1, stretches out drying room 23 spindle nose of screw type fan-leaf fan axis setting screw type fan-leaf fan shaft pulley 30 outside Room 1;The ground being arranged in drying room Room 1 Plane thermal conductivity pipe is connected to through pasting ground flame path connecting pipe 29 with the burner hearth 24 of heat power supply device.
The patch ground fire tube of heat power supply device described in above-described embodiment, setting quantity are two;The drying room is set The ground level heat conducting pipe set is two and is arranged on ground level point both sides;Two patch ground fire tubes are separately connected drying room point both sides and set The ground level heat conducting pipe set.
The component parts of heat power supply device described in above-described embodiment is prefabricated components, and heat power supply device is with prefabricated components group It fills.
The ground level heat conducting pipe and side wall heat conducting pipe being provided in drying room described in above-described embodiment are that revolution is set It sets.
Thermal balance device described in above-described embodiment is arranged in the centre of drying room, the screw type fan of thermal balance device Vertical array, spacing three screw type fans of equal setting.
It is above to record, the embodiment of the technology of the present invention content is only utilized, it is any to be familiar with the technology/those skilled in the art's utilization The modifications and changes that the present invention is done, all belong to the scope of the claims of this creation opinion, and are not limited to those disclosed embodiments.

Claims (5)

1. a kind of intensive flue-cured tobacco thermal cycle drying equipment is made of, feature drying room, heat power supply device and thermal balance device It is:The ground in the middle part of drying room is arranged for heat power supply device in the following, the setting of thermal balance device is at the indoor middle part of drying room,
The top of the drying room is made of top layer outside drying room and drying building overlay, in drying room outer top layer and drying room It is moisture passages between top layer, is provided with outer hydrofuge outlet in the middle part of top layer outside drying room, outer hydrofuge outlet is provided with regulation and control Valve is provided with interior hydrofuge outlet in the middle part of drying building overlay, hydrofuge is arranged between outer hydrofuge outlet and the outlet of interior hydrofuge Fan;The both sides wall of drying room is interlayer wall, and the outer top layer of drying room is built on the exterior wall of interlayer wall, top in drying room Layer is built on the interior wall of interlayer wall;Heat absorption air intake passage is provided in interlayer wall body interlayer, the air intake passage that absorbs heat it is upper Portion is air inlet, and air inlet stretches out the outer top layer of drying room, and connecting tube and Horizon are entered the wind in the lower part for the air intake passage that absorbs heat by heat absorption Face heat conducting pipe connection;The lower end of interlayer wall is provided with catch basin, catch basin is communicated with the interlayer of interlayer wall, catch basin Chi Kou is hydrofuge gas outlet;Ground level heat conducting pipe and side wall heat conducting pipe, ground level heat conducting pipe warp are provided in drying chamber Heat conduction bend pipe is connected to side wall heat conducting pipe, and side wall heat conducting pipe is connected to through flue gas discharge connecting tube with smoke discharge tube;
The heat power supply device is made of furnace box body, and the first half is burner hearth in the furnace box body, and lower half is ashcan, combustion Burn the upper surface of burner hearth activity setting burner hearth Lu Hong;The activity setting burner hearth grate between burner hearth and ashcan;Combustion furnace Fire door is arranged at the hole in fire door hole in one end setting fire door hole of thorax;Ash hole is arranged below hole in fire door;Burner hearth it is another One end setting patch ground fire tube interface, patch ground fire tube connecting tube are connected to through pasting ground fire tube interface with burner hearth;It is secondary into Wind outlet setting is connected to below patch ground fire tube interface with ashcan;One end of secondary wind inleting tube and patch ground under burner hearth grate Fire tube connecting tube is connected to, and the other end passes through secondary air outlet to be connected to ashcan;Even heat penetration sky cover board is covered in the upper of furnace box body Face;
The thermal balance device is made of fan shaft and flabellum, and the flabellum is that helical form flabellum is band-like to be set around fan shaft extension It sets on fan shaft, fan shaft both ends are each provided with spring bearing, and fan shaft one end is arranged in spring bearing, and the other end passes through Spring bearing is provided with belt pulley in the fan shaft end across spring bearing;
Middle part is arranged in drying chamber in the thermal balance device, and middle part is provided with fan shaft support saddle frame in drying room, heat The fan shaft of balancer is arranged on fan shaft support saddle frame, and fan shaft stretches out the outdoor of drying room, stretches out outside drying chamber Fan shaft pulley is arranged in fan shaft spindle nose;The ground in the middle part of drying room is arranged for the heat power supply device in the following, heat power supply device Patch ground fire tube one end and drying room in the ground level heat conducting pipe that is arranged be connected to, the burner hearth company of the other end and heat power supply device It is logical.
2. drying equipment according to claim 1, it is characterised in that:The patch ground fire tube of the heat power supply device, setting Quantity is two;The ground level heat conducting pipe of the drying room setting is two and is arranged on ground level point both sides;Two patch ground Fire tube is separately connected the ground level heat conducting pipe of drying room point both sides setting.
3. drying equipment according to claim 1, it is characterised in that:The component parts of the heat power supply device is prefabricated structure Part, heat power supply device are to be assembled with prefabricated components.
4. drying equipment according to claim 1, it is characterised in that:The ground level heat conduction being provided in the drying room Pipe and side wall heat conducting pipe are that revolution is arranged.
5. drying equipment according to claim 1, it is characterised in that:The thermal balance being made of fan shaft and flabellum Device is arranged in the centre of drying room, the equal setting three of thermal balance device vertical array, spacing.
CN201510820069.3A 2015-11-24 2015-11-24 A kind of intensive flue-cured tobacco thermal cycle drying equipment Active CN106723263B (en)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110101108B (en) * 2019-06-21 2021-07-06 贵州大学 Circulating greenhouse mechanism based on tobacco flue-curing house
CN114923258B (en) * 2022-02-09 2023-12-29 北京艾克斯环境工程有限公司 Air curtain type air purifier

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CN201754758U (en) * 2010-08-12 2011-03-09 河南省农业科学院烟草研究中心 Air inlet and exhaust control door for wet and hot air pipeline of curing barn
CN201911283U (en) * 2011-01-04 2011-08-03 红云红河烟草(集团)有限责任公司 Intelligently-controlled dense type coal-fired baking house for drying tobaccos
CN202232938U (en) * 2011-09-07 2012-05-30 云南省烟草公司普洱市公司 Energy-saving unit tobacco flue-curing room being capable of recycling wicked moisture and waste heat
CN202419820U (en) * 2011-10-13 2012-09-05 北京德能恒信科技有限公司 Ground-source heat pipe and heat pump air-conditioner
CN203216234U (en) * 2013-03-26 2013-09-25 山东临沂烟草有限公司 Heat supply furnace for tobacco roasting room
CN103423973A (en) * 2013-08-28 2013-12-04 南京嘉希干燥设备有限公司 Hot air circulating oven
CN205125016U (en) * 2015-11-24 2016-04-06 谢一中 Intensive flue -cured tobacco thermal cycle drying equipment

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US4790335A (en) * 1987-05-15 1988-12-13 Marley James A Tobacco curer
CN2234960Y (en) * 1995-09-22 1996-09-11 陕西省汉阴县建筑工贸公司 Multi-function drying stove for silkworm cocoon
CN1344904A (en) * 2001-07-17 2002-04-17 谢一中 Hot blast circulating silkworm cocoon drying equipment
CN1403035A (en) * 2002-07-02 2003-03-19 刘志峰 New-type tobacco flue-curing room and the tobacco flue-curing process
CN201149419Y (en) * 2007-09-30 2008-11-12 梅娟 Baking equipment
CN201153499Y (en) * 2008-02-02 2008-11-26 昆明康立信电子机械有限公司 Coat gasification type negative pressure baking oven
CN101711599A (en) * 2009-11-23 2010-05-26 昆明理工大学 Bulk curer heat supply and ventilation system supplied by combined solar energy-air source heat pump double heat sources
CN201754758U (en) * 2010-08-12 2011-03-09 河南省农业科学院烟草研究中心 Air inlet and exhaust control door for wet and hot air pipeline of curing barn
CN201911283U (en) * 2011-01-04 2011-08-03 红云红河烟草(集团)有限责任公司 Intelligently-controlled dense type coal-fired baking house for drying tobaccos
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CN103423973A (en) * 2013-08-28 2013-12-04 南京嘉希干燥设备有限公司 Hot air circulating oven
CN205125016U (en) * 2015-11-24 2016-04-06 谢一中 Intensive flue -cured tobacco thermal cycle drying equipment

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