CN105444555A - Dryer - Google Patents

Dryer Download PDF

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Publication number
CN105444555A
CN105444555A CN201511024091.3A CN201511024091A CN105444555A CN 105444555 A CN105444555 A CN 105444555A CN 201511024091 A CN201511024091 A CN 201511024091A CN 105444555 A CN105444555 A CN 105444555A
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CN
China
Prior art keywords
air
dryer
heat
wind wheel
drying tunnel
Prior art date
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Granted
Application number
CN201511024091.3A
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Chinese (zh)
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CN105444555B (en
Inventor
张明水
潘峰
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Wenzhou Xingbei Machinery Technology Co Ltd
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Wenzhou Xingbei Machinery Technology Co Ltd
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Priority to CN201511024091.3A priority Critical patent/CN105444555B/en
Publication of CN105444555A publication Critical patent/CN105444555A/en
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Publication of CN105444555B publication Critical patent/CN105444555B/en
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26DRYING
    • F26BDRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B21/00Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
    • F26B21/004Nozzle assemblies; Air knives; Air distributors; Blow boxes
    • AHUMAN NECESSITIES
    • A23FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23NMACHINES OR APPARATUS FOR TREATING HARVESTED FRUIT, VEGETABLES OR FLOWER BULBS IN BULK, NOT OTHERWISE PROVIDED FOR; PEELING VEGETABLES OR FRUIT IN BULK; APPARATUS FOR PREPARING ANIMAL FEEDING- STUFFS
    • A23N12/00Machines for cleaning, blanching, drying or roasting fruits or vegetables, e.g. coffee, cocoa, nuts
    • A23N12/08Machines for cleaning, blanching, drying or roasting fruits or vegetables, e.g. coffee, cocoa, nuts for drying or roasting
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26DRYING
    • F26BDRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B2200/00Drying processes and machines for solid materials characterised by the specific requirements of the drying good
    • F26B2200/16Sea weed; Marine products
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P60/00Technologies relating to agriculture, livestock or agroalimentary industries
    • Y02P60/80Food processing, e.g. use of renewable energies or variable speed drives in handling, conveying or stacking
    • Y02P60/85Food storage or conservation, e.g. cooling or drying

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Food Science & Technology (AREA)
  • Polymers & Plastics (AREA)
  • Drying Of Solid Materials (AREA)

Abstract

The invention relates to a dryer, which comprises a dryer housing, an air heating room, an air supply room, a drying channel, an air inlet which is communicated with the air heating room, an air outlet which is communicated with the front end of the drying channel, a material inlet which is formed in the front end of the drying channel, and a material outlet which is formed in the rear end of the drying channel, wherein a heat source heat exchanger is arranged in the air heating room; and a direct-blowing type air supply device is arranged in the air supply room. The dryer also comprises an air regulation guide plate, an exhaust waste heat recycling device, an intelligent fresh air humidity regulation device and a hot air compensation device. The dryer has the beneficial effects that the dryer can be used for drying laver and other products; constant-temperature and stable air supply can be realized; the air supply device is convenient to dismount, maintain and clean; the exhaust waste heat recycling function and partial exhaust recycling function are realized; thermal discharge is reduced and a product is energy-saving so that the production cost is reduced; and the hot air compensation device is capable of improving the drying efficiency of the dryer and shortening the drying time.

Description

A kind of dryer
Technical field
The present invention relates to marine products processing field and mechanical field, being specifically related to a kind of dryer for drying laver product.
Background technology
Porphyra haitanensis cannot be preserved for a long time after harvesting, needs to carry out drying process.In the prior art, dry under general many employing natural environments or carry out drying under the drying tunnel of civil engineering.
Coal-fired chimney breast is arranged on the parallel side of drying tunnel; Use axial flow blower by the chimney breast of wind to fire coal, hot blast to drying tunnel foremost after 180 degree turn to (path of wind is U-shaped turning to), enter in parallel drying tunnel, entirety is civil engineering structure, drying tunnel inside is common go-cart passage, does not have remaining to design.Hot blast enters the rear end of drying tunnel through go-cart, is directly discharged by exhaust fan in rear end.Simple and easy burner hearth coal consumption rate not high and not environmentally, extremely low, the blow-on of heat transfer rate needs operation inconvenience of at every turn lighting a fire in advance; Temperature controls to be difficult to guarantee that drying tunnel is in temperature constant state for a long time by seeing that firer artificially grasps; Be unfavorable for the stay in grade of dried material, drying tunnel is without INSULATION DESIGN, without humid control; Without the rear side that hot blast secondary recovery utilizes, axial flow blower is arranged on chimney, not only blast loss is large, cannot ensure bottom and the homogeneous temperature at top, make the material upper part in go-cart and lower part not be that the same time is dry, affect drying efficiency in drying tunnel.The secondary pollution that coal ash causes product; Body of heater can not reach the hygienic requirements of food processing, without desulfurization or other process, and extensive style combustion effects atmospheric environment and nearby residents; Extensive style burning makes the accessory life cycle of combustion head and heat exchange part very short, and accessory and renewal cost are very high; More there is potential safety hazard, chimney is once be burnt by naked light, aflame coal cannot be extinguished the supply of closing thermal source by manpower instantaneously, flare is altered outward, add the wind-force of the wind-force of axial flow blower, material in stove will be burnt, and more has the secondary injury causing personnel in the process of suing and labouring, and is unfavorable for safety in production.
Summary of the invention
For avoiding the weak point of background technology, the invention provides a kind of dryer, can be used for dry laver product, use safety, air-supply is stable, and drying efficiency is high, speed is fast, efficient energy-saving, stable performance.
In order to solve the problems of the technologies described above, design a kind of dryer, comprise inwall be provided with the dryer shell of thermal insulation layer, hotair chamber, plenum chamber, drying tunnel, connection hotair chamber air inlet, be communicated with drying tunnel front end air outlet, be located at the charging aperture of drying tunnel front end, be located at the discharging opening of drying tunnel rear end, air heat indoor be provided with thermal source heat exchanger, plenum chamber is provided with direct-firing air-supply arrangement, described direct-firing air-supply arrangement comprises drive unit, air duct board, dividing plate, centrifugal wind wheel, air duct board one end is circular arc, and the other end is opening and expands outwardly; Centrifugal wind wheel is located at the circular arc circle centre position of air duct board; Dividing plate is located at the end face both sides of centrifugal wind wheel and is fixedly connected with air duct board side seal; The dividing plate of centrifugal wind wheel air inlet side is provided with passage, and passage is communicated with hotair chamber; Drive unit connects centrifugal wind wheel and drives centrifugal wind wheel to rotate.Dryer inwall is provided with thermal insulation layer and prevents heat from escaping from wall.
Further, the centrifugal wind wheel group of at least 3 group vertical distribution is provided with in direct-firing air-supply arrangement; Often organize centrifugal wind wheel group and have 3-8 centrifugal wind wheel, each centrifugal wind wheel is fixed on same turning cylinder.The present invention preferably adopts 3 groups of centrifugal wind wheel groups, and 4 centrifugal wind wheels are one group.
Further, direct-firing air-supply arrangement is arranged in an independent rack, and bottom frame, four pin are provided with movable castor.
As preferably of the present invention, centrifugal wind wheel is multiple wing type wind wheel.
Further improvement of the present invention, add and regulate the air quantity of blast, wind speed and wind direction to regulate deflector, described air quantity regulates deflector be gridiron structure and be arranged on direct-firing air-supply arrangement air outlet side.
Further improvement of the present invention, add hot blast compensation arrangement, described hot blast compensation arrangement is symmetricly set on the left and right sides in the middle part of drying tunnel, hot blast compensation arrangement comprises and centrifugal blower, hot blast compensates pipeline, hot blast compensates pipeline communication drying tunnel and hotair chamber, and air inlet of centrifugal fan is just installed the hot blast compensating pipe road mouth of pipe, and centrifugal blower air-out direction is parallel to the ground and oblique towards drying tunnel front end.
Further improvement of the present invention, add exhaust gas heat re-use device, described exhaust gas heat re-use device to be arranged on above drying tunnel and heat insulation with drying tunnel, exhaust gas heat re-use device comprises heat exchanger tube, tail gas assembles room, moisture exhausting pipe, described dryer air outlet is communicated with tail gas and assembles room, tail gas is assembled room and is communicated with heat exchanger tube, and heat exchanger tube is communicated with moisture exhausting pipe, and moisture exhausting pipe is communicated with; Described heat exchanger tube material is Heat Conduction Material and is arranged in the air duct between dryer air inlet and hotair chamber, and tail gas carries out heat exchange by heat exchanger tube, is directly discharged outside stove by the tail gas of secondary heat exchange, and the moisture of thus having isolated in tail gas enters in stove.
Further, add new air humidity intelligent regulating device, described new air humidity intelligent regulating device comprises the Humidity Detection transmitter being communicated with hotair chamber and the recycled offgas recovery tube of heat exchanger tube, the dynamoelectric proportion valve of controlled circulation tail gas recycle pipe and being located at air heat indoor, the gas humidity that Humidity Detection transmitter detects hotair chamber in real time sends a signal to dynamoelectric proportion valve simultaneously, and in controlled circulation tail gas recycle pipe, moisture enters the flow of hotair chamber.
As preferred version of the present invention, thermal source heat exchanger comprises the heat exchange pipeline of the combustor being located at hot-air chamber, the burning bucket being located at air heat indoor and several heat-conductings, the flame of combustor ejection enters in burning bucket and burns, heat exchange pipeline is located at hotair chamber and is communicated with burning bucket, and the gas in heat exchange pipeline passes through heat exchange pipeline tube wall by transferring heat to the air of air heat indoor.
Further, described thermal source heat exchanger also comprises the electric heating tube be located at above heat exchange pipeline, and electric heating tube is used for the thermal losses under the normal constant temperature duty of dryer, avoids combustor frequent starting, in order to constant temperature accurately with energy-conservation.
Further improvement of the present invention, adds independent overtemperature shutdown system and main chamber overtemperature prote system, the main chamber overtemperature prote system shutdown combustor power supply when air heat room temperature exceedes setting value t1; When air heat room temperature exceedes setting value, during t2, independence overtemperature shutdown system cuts off dryer power supply, t2>t1.
Beneficial effect of the present invention is, dryer can be used for dry laver product, and air-supply is stable; Air-supply arrangement is overhauled, keep in repair, easy to clean; There is using waste heat from tail gas recycling function and partial tail gas recycling function, reduce hot driving, make product more energy-conservation, thus reduce production cost; Hot blast compensation arrangement can improve the drying efficiency of overall dryer, reduces drying time.
Accompanying drawing explanation
Fig. 1 is the schematic perspective view of the present embodiment dryer.
Fig. 2 is the structural representation of the present embodiment dryer.
Fig. 3 is the position view that the present embodiment thermal source heat exchanger, direct-firing air-supply arrangement and air quantity regulate deflector.
Fig. 4 is the schematic diagram of the direct-firing air-supply arrangement of the present embodiment.
Fig. 5 is the schematic diagram that the present embodiment air quantity regulates deflector.
Fig. 6 is the schematic diagram of the present embodiment exhaust gas heat re-use device.
Fig. 7 is the schematic diagram of the new air humidity intelligent regulating device of the present embodiment.
Fig. 8 is the schematic diagram of the present embodiment thermal source heat exchanger.
Fig. 9 is the fortune wind line map of the present embodiment dryer.
Reference numeral is corresponding as follows: 1, thermal source heat exchanger; 2, direct-firing air-supply arrangement; 3, air quantity regulates deflector; 4, recycled offgas recovery tube; 5, air inlet; 6, air outlet; 7, charging aperture; 8, discharging opening; 9, heat exchanger tube; 10, moisture exhausting pipe; 11, dynamoelectric proportion valve; 12, Humidity Detection transmitter; 13, hot blast compensation arrangement;
1-1, combustor; 1-2, burning bucket; 1-3, heat exchange pipeline; 1-4, electric heating tube;
2-1, drive unit; 2-2 air duct board; 2-3 dividing plate; 2-4 centrifugal wind wheel; 2-5, frame; 2-6, movable castor;
13-1, centrifugal blower; 13-2 hot blast compensates pipeline.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the invention will be further described:
Embodiment: with reference to accompanying drawing 1-9, a kind of dryer, comprise the dryer shell that inwall is provided with thermal insulation layer, hotair chamber, plenum chamber, drying tunnel, be communicated with the air inlet 5 of hotair chamber, be communicated with the air outlet 6 of drying tunnel front end, be located at the charging aperture 7 of drying tunnel front end, be located at the discharging opening 8 of drying tunnel rear end, air heat indoor be provided with thermal source heat exchanger 1, plenum chamber is provided with direct-firing air-supply arrangement 2, described direct-firing air-supply arrangement 2 comprises drive unit 2-1, air duct board 2-2, dividing plate 2-3, centrifugal wind wheel 2-4, air duct board 2-2 one end is circular arc, the other end is opening and expands outwardly, centrifugal wind wheel 2-4 is located at the circular arc circle centre position of air duct board 2-2, dividing plate 2-3 is located at the end face both sides of centrifugal wind wheel 2-4 and is fixedly connected with air duct board 2-2 side seal, the dividing plate 2-3 of centrifugal wind wheel 2-4 air inlet 5 side is provided with passage, and passage is communicated with hotair chamber, drive unit 2-1 connects centrifugal wind wheel 2-4 and drives centrifugal wind wheel 2-4 to rotate.The preferred motor of drive unit 2-1, adopt and softly indirectly drive centrifugal wind wheel 2-4, the installation of motor, preferably outside body of heater, makes motor work under the environment of room temperature, avoids the working environment under high temperature in body of heater.
As the optimal technical scheme of the present embodiment, in direct-firing air-supply arrangement 2, be provided with the centrifugal wind wheel 2-4 group of at least 3 group vertical distribution; Often organize centrifugal wind wheel 2-4 group and have 3-8 centrifugal wind wheel 2-4, each centrifugal wind wheel 2-4 is fixed on same turning cylinder.Can arrange the centrifugal wind wheel 2-4 of varying number according to the size of dryer, the present embodiment preferably arranges the centrifugal wind wheel 2-4 group of 3 groups of vertical distribution, often organizes centrifugal wind wheel 2-4 group and has 4 centrifugal wind wheel 2-4., this direct-firing air-supply solves installs abundant wind wheel in minimum space, can blow to dried material by straight line, solves the technical problem because of the needs turning of installation requirement air channel, is beneficial to and dries the even of interior temperature.Multi-wind wheel installation shaft length is greater than more than 1 meter, associated mode drive for concentricity and frame make require high, drive motors is placed in outside stove and carries out soft strength with the axle installing centrifugal blower by this equipment, and the shaft fixing support bearing in stove adopts high temperate zone bearing mode.
Conveniently clean, keep in repair direct-firing air-supply arrangement 2, direct-firing air-supply arrangement 2 is arranged on an independent rack 2-5, and bottom frame 2-5, four pin are provided with movable castor 2-6.Because the operating characteristic that centrifugal wind wheel 2-4 frequently rotates, compare other device features and more easily assemble dust and damage, direct-firing air-supply arrangement 2 is arranged on the frame 2-5 with movable castor 2-6, its dismounting more convenient, maintenance and cleaning.
The present embodiment centrifugal wind wheel 2-4 is preferably multiple wing type wind wheel.
The blast of the wind blown out to make air-supply arrangement, wind speed and wind direction reach default object, and arrange air quantity in air outlet 6 side of direct-firing air-supply arrangement 2 and regulate deflector 3, air quantity regulates deflector 3 to be gridiron structure.The hot blast regulating the factor such as size, shape, angle of inclination of deflector 3 grid that air-supply arrangement is blown out by setting air quantity evenly enters drying tunnel.
Hot blast is through being loaded with the go-cart of material, the moisture of material can be taken away while dried material and heat can be passed to material, material and go-cart itself are to the stop of hot blast in addition, when hot blast arrives in the middle part of drying tunnel, not only temperature can decline, wind pressure and wind speed also can reduce, thus affects the rate of drying of drying tunnel front middle part material.In order to solve this situation, in the present embodiment, dryer adds hot blast compensation arrangement 13, hot blast compensation arrangement 13 is symmetricly set on the left and right sides in the middle part of drying tunnel, hot blast compensation arrangement 13 comprises and centrifugal blower 13-1, hot blast compensates pipeline 13-2, hot blast compensates pipeline 13-2 and is communicated with drying tunnel and hotair chamber, and centrifugal blower 13-1 air inlet 5 just compensates the pipeline 13-2 mouth of pipe to hot blast and installs, and centrifugal blower 13-1 air-out direction is parallel to the ground and oblique towards drying tunnel front end.Hot blast compensation arrangement 13 can increase temperature and the wind speed of hot blast in the middle part of drying tunnel, improves the dry tenacity of drying tunnel front middle part material, thus effectively improves the drying efficiency of overall dryer, reduces drying time, thus reduces production cost.
Tail gas is still with higher temperature after super-dry, if now directly gone out by exhaust emissions, the heat on that tail gas just wastes.The waste heat in tail gas is utilized in order to secondary recovery, in the present embodiment, dryer with the addition of exhaust gas heat re-use device, described exhaust gas heat re-use device to be arranged on above drying tunnel and heat insulation with drying tunnel, exhaust gas heat re-use device comprises heat exchanger tube 9, tail gas assembles room, moisture exhausting pipe 10, described dryer air outlet 6 is communicated with tail gas and assembles room, tail gas is assembled room and is communicated with heat exchanger tube 9, and heat exchanger tube 9 is communicated with moisture exhausting pipe 10, and moisture exhausting pipe 10 is communicated with; Described heat exchanger tube 9 material is Heat Conduction Material and is arranged in the air duct between dryer air inlet 5 and hotair chamber.Tail gas is after tail gas assembles room assembly, enter heat exchanger tube 9, due to heat exchanger tube 9 for heat-conducting is formed, and outer wall is exactly fresh air, therefore there is a temperature difference in tail gas and fresh air, so the heat of tail gas just can pass to fresh air by heat exchanger tube 9 tube wall, exhaust temperature is reduced, fresh air temperature raises.Exhaust gas heat re-use device effectively can recycle the waste heat of tail gas, reduces the discharge of heat, makes dryer more energy-conservation, thus reduces production cost.
Although tail gas is after exhaust gas heat re-use device, reach the object that using waste heat from tail gas secondary utilizes, but the tail gas after heat exchange is still high than dryer outer air temperature, if all tail gas is all discharged machine, still there is certain waste, therefore a part of tail gas to be reentered hotair chamber be reasonable selection.But humidity is higher in tail gas, for ensureing dry mass, material carries out the dry humidity for the air of hotair chamber at drying tunnel has requirement, so the amount that tail gas reenters hotair chamber must limit within the specific limits.In order to reach this technical purpose, the present embodiment also added new air humidity intelligent regulating device, described new air humidity intelligent regulating device comprises the recycled offgas recovery tube 4, the controlled circulation tail gas recycle pipe 4 that are communicated with hotair chamber and heat exchanger tube 9 and manages the dynamoelectric proportion valve 11 of interior flux of moisture and be located at the Humidity Detection transmitter 12 of air heat indoor, the gas humidity that Humidity Detection transmitter 12 detects hotair chamber in real time sends a signal to dynamoelectric proportion valve 11 simultaneously, and in dynamoelectric proportion valve 11 controlled circulation tail gas recycle pipe 4, moisture enters the flow of hotair chamber.New air is different by Changes in weather relative humidity, tail gas be subject in drying tunnel material to affect its humidity also different, below be both a variable, for the humidity of the mist guaranteeing sub-fraction tail gas and fresh air reaches requirement, carry out monitoring to the humidity of mist with regard to needing and regulate.The Humidity Detection transmitter 12 of new air humidity intelligent regulating device can carry out monitoring in real time and gather humidity data, then data-signal is sent to dynamoelectric proportion valve 11 by calculating, what change that folding angle performs recycled offgas by dynamoelectric proportion valve 11 according to data is mixed into flow, guarantees the drying quality of material.The a part of tail gas of the recyclable recycling of new air humidity intelligent regulating device, make the thermal losses of dryer less, more energy-conservation, thus reduce production cost.
As the preferred version of the present embodiment, thermal source heat exchanger 1 comprise be located at hot-air chamber combustor 1-1, be located at the burning bucket 1-2 of air heat indoor and the heat exchange pipeline 1-3 of several heat-conductings, the flame that combustor 1-1 sprays enters in burning bucket 1-2 and burns, heat exchange pipeline 1-3 is located at hotair chamber and is communicated with burning bucket 1-2, and the gas in heat exchange pipeline 1-3 passes through heat exchange pipeline 1-3 tube wall by transferring heat to the air of air heat indoor.Combustor 1-1 firing rate is fast, by the heat exchange pipeline 1-3 transferring heat of several heat-conductings, quickly by the air heat of air heat indoor, can namely improve dryer start firing rate.
Further, described thermal source heat exchanger 1 also comprises the infrared ray electric heat-generating pipe 1-4 be located at above heat exchange pipeline 1-3, the burning of combustor 1-1 is wayward, therefore it is wayward to require that the indoor air of air heat reaches temperature constant state, therefore add infrared ray electric heat-generating pipe 1-4 for the thermal losses under the normal constant temperature duty of dryer, now combustor 1-1 can stop working or keep certain fired state according to the requirement of thermostat temperature, infrared ray electric heat-generating pipe 1-4 reaches temperature constant state by the hot blast that the feedback of temperature detection increases or reduction power makes dryer blow out, electric heating tube 1-4 can avoid combustor frequent starting, in order to constant temperature accurately with energy-conservation.
Further improvement of the present invention, adds independent overtemperature shutdown system and main chamber overtemperature prote system, the main chamber overtemperature prote system shutdown combustor power supply when air heat room temperature exceedes setting value t1; When air heat room temperature exceedes setting value, during t2, independence overtemperature shutdown system cuts off dryer power supply, t2>t1; Independent overtemperature shutdown system is arranged mainly as the one insurance in main chamber overtemperature prote system failure situation; Dryer equipment works under double overtemperature prote, and guarantee that dryer can not at overtemperature damage equipment under fortuitous event, duplicate protection insures more.
The fortune wind circuit of dryer in the present embodiment: new air enters from air inlet 5, to be contacted with heat exchanger tube 9 by air duct and heat up, enter hotair chamber heating subsequently, hot blast enters drying tunnel dried material under the drive of direct-firing air-supply arrangement 2, hot blast is had to compensate in the middle part of drying tunnel, after heated-air drying, behind drying tunnel front end, temperature reduction, humidity increase become tail gas, tail gas assembles room by tail gas and heat exchanger tube 9 rear portion is discharged machine, and a part mixes new air by new air humidity intelligent regulating device again and again enters the utilization of hotair chamber secondary.
Pile multi-level cart in drying tunnel during dryer work in the present embodiment, go-cart is pushed by charging aperture 7 Qianmen of drying tunnel front end, is released by the discharging opening 8 of drying tunnel rear end.Open charging aperture 7 when material go-cart to be dried is pushed drying tunnel, the out-of-blast air-supply of hot blast compensation arrangement 13 in the middle part of drying tunnel, charging aperture 7 is opened rear hot blast and is easily escaped, and closes the loss that hot blast compensation arrangement 13 can reduce hot blast and reaches energy-conservation object; When material arrives drying time, timer gives the alarm, go-cart is released by the discharge door that operative employee opens drying tunnel rear end, while discharge door is opened, direct-firing air-supply arrangement 2 quits work, and also can reduce the loss of hot blast, does not allow hot blast hurt operative employee simultaneously, go-cart is released rear discharge door and is closed the door, and direct-firing air-supply arrangement 2 enters duty automatically.
Although the present invention is described by reference to preferred embodiment, those of ordinary skill in the art should understand, and can be not limited to the description of above-described embodiment, in the scope of claims, can make the various changes in form and details.

Claims (10)

1. a dryer, it is characterized in that: comprise inwall be provided with the dryer shell of thermal insulation layer, hotair chamber, plenum chamber, drying tunnel, connection hotair chamber air inlet, be communicated with drying tunnel front end air outlet, be located at the charging aperture of drying tunnel front end, be located at the discharging opening of drying tunnel rear end, air heat indoor be provided with thermal source heat exchanger, plenum chamber is provided with direct-firing air-supply arrangement, described direct-firing air-supply arrangement comprises drive unit, air duct board, dividing plate, centrifugal wind wheel, air duct board one end is circular arc, and the other end is opening and expands outwardly; Centrifugal wind wheel is located at the circular arc circle centre position of air duct board; Dividing plate is located at the end face both sides of centrifugal wind wheel and is fixedly connected with air duct board side seal; The dividing plate of centrifugal wind wheel air inlet side is provided with passage, and passage is communicated with hotair chamber; Drive unit connects centrifugal wind wheel and drives centrifugal wind wheel to rotate.
2. a kind of dryer according to claim 1, is characterized in that: the centrifugal wind wheel group being provided with at least 3 group vertical distribution in described direct-firing air-supply arrangement; Often organize centrifugal wind wheel group and have 3-8 centrifugal wind wheel, each centrifugal wind wheel is fixed on same turning cylinder.
3. a kind of dryer according to claim 2, is characterized in that: described direct-firing air-supply arrangement is arranged in an independent rack, and bottom frame, four pin are provided with movable castor.
4. a kind of dryer according to claim 1-3, is characterized in that: described centrifugal wind wheel is multiple wing type wind wheel.
5. a kind of dryer according to claim 1, is characterized in that: the air quantity also comprising adjustable blast, wind speed and wind direction regulates deflector, and described air quantity regulates deflector be gridiron structure and be arranged on direct-firing air-supply arrangement air outlet side.
6. a kind of dryer according to claim 1, it is characterized in that: also comprise the hot blast compensation arrangement being symmetricly set on the left and right sides in the middle part of drying tunnel, described hot blast compensation arrangement comprises and centrifugal blower, hot blast compensates pipeline, hot blast compensates pipeline communication drying tunnel and hotair chamber, air inlet of centrifugal fan is just installed the hot blast compensating pipe road mouth of pipe, and centrifugal blower air-out direction is parallel to the ground and oblique towards drying tunnel front end.
7. a kind of dryer according to claim 1, it is characterized in that: also comprise and be arranged on exhaust gas heat re-use device above drying tunnel and heat insulation with drying tunnel, described exhaust gas heat re-use device comprises heat exchanger tube, tail gas assembles room, moisture exhausting pipe, described dryer air outlet is communicated with tail gas and assembles room, tail gas is assembled room and is communicated with heat exchanger tube, heat exchanger tube is communicated with moisture exhausting pipe, and moisture exhausting pipe is communicated with; Described heat exchanger tube material is Heat Conduction Material and is arranged in the air duct between dryer air inlet and hotair chamber.
8. a kind of dryer according to claim 7, it is characterized in that: also comprise new air humidity intelligent regulating device, described new air humidity intelligent regulating device comprises the Humidity Detection transmitter being communicated with hotair chamber and the recycled offgas recovery tube of heat exchanger tube, the dynamoelectric proportion valve of controlled circulation tail gas recycle pipe and being located at air heat indoor, the gas humidity that Humidity Detection transmitter detects hotair chamber in real time sends a signal to dynamoelectric proportion valve simultaneously, and the recycled offgas in controlled circulation tail gas recycle pipe enters the flow of hotair chamber.
9. a kind of dryer according to claim 1, it is characterized in that: described thermal source heat exchanger comprises the heat exchange pipeline of the combustor being located at hot-air chamber, the burning bucket being located at air heat indoor and several heat-conductings, be located at the electric heating tube above heat exchange pipeline, the flame of combustor ejection enters in burning bucket and burns, heat exchange pipeline is located at hotair chamber and is communicated with burning bucket, and the gas in heat exchange pipeline passes through heat exchange pipeline tube wall transferring heat to the air of air heat indoor; Electric heating tube is used for the thermal losses under the normal constant temperature duty of dryer, reduces the initiation culture of combustor, and guarantees the fine setting of constant temperature in stove.
10. a kind of dryer according to claim 1, is characterized in that: also comprise independent overtemperature shutdown system and main chamber overtemperature prote system, the main chamber overtemperature prote system shutdown combustor power supply when air heat room temperature exceedes setting value t1; When air heat room temperature exceedes setting value, during t2, independence overtemperature shutdown system cuts off dryer power supply, t2>t1.
CN201511024091.3A 2015-12-31 2015-12-31 A kind of dryer Active CN105444555B (en)

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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106387734A (en) * 2016-12-07 2017-02-15 宁波大学 Method and device for drying and processing of porphyra haitanensis
CN106880067A (en) * 2017-03-17 2017-06-23 温州市远鹏水产有限公司 Sargassum fusifome drying plant
CN107006802A (en) * 2017-03-23 2017-08-04 浙江霓屿人农业科技有限公司 Seaweed process equipment
CN109591357A (en) * 2018-12-12 2019-04-09 中联重科股份有限公司 Biomass profiling equipment
CN110715520A (en) * 2019-09-09 2020-01-21 陈国� Environment-friendly and energy-saving drying device
CN110759014A (en) * 2019-11-05 2020-02-07 中国水产科学研究院渔业机械仪器研究所 Kelp sunning pole transfer device
CN111713729A (en) * 2020-08-05 2020-09-29 三明市鸿达智能农业设备有限公司 Tobacco leaf baking device
CN113175808A (en) * 2021-05-21 2021-07-27 鲁西工业装备有限公司 Heat exchange tube drying system and method

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CN204301433U (en) * 2014-11-27 2015-04-29 桐城市雨润生物科技有限公司 A kind of drying box
CN204757094U (en) * 2015-04-15 2015-11-11 赵卫党 Novel PTC electric fan heater
CN205316922U (en) * 2015-12-31 2016-06-15 温州星贝机械科技有限公司 Drying machine

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CN201497310U (en) * 2009-08-25 2010-06-02 杭州萧山天成机械有限公司 Split-level furnace body for tunneled yarn drying furnace
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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CN203595363U (en) * 2013-10-10 2014-05-14 李保安 Net band type dryer
CN204301433U (en) * 2014-11-27 2015-04-29 桐城市雨润生物科技有限公司 A kind of drying box
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CN106387734A (en) * 2016-12-07 2017-02-15 宁波大学 Method and device for drying and processing of porphyra haitanensis
CN106880067A (en) * 2017-03-17 2017-06-23 温州市远鹏水产有限公司 Sargassum fusifome drying plant
CN106880067B (en) * 2017-03-17 2019-07-30 温州市远鹏水产有限公司 Sargassum fusifome drying equipment
CN107006802A (en) * 2017-03-23 2017-08-04 浙江霓屿人农业科技有限公司 Seaweed process equipment
CN109591357A (en) * 2018-12-12 2019-04-09 中联重科股份有限公司 Biomass profiling equipment
CN110715520A (en) * 2019-09-09 2020-01-21 陈国� Environment-friendly and energy-saving drying device
CN110759014A (en) * 2019-11-05 2020-02-07 中国水产科学研究院渔业机械仪器研究所 Kelp sunning pole transfer device
CN110759014B (en) * 2019-11-05 2021-05-18 中国水产科学研究院渔业机械仪器研究所 Kelp sunning pole transfer device
CN111713729A (en) * 2020-08-05 2020-09-29 三明市鸿达智能农业设备有限公司 Tobacco leaf baking device
CN113175808A (en) * 2021-05-21 2021-07-27 鲁西工业装备有限公司 Heat exchange tube drying system and method

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