CN105392368A - Exhaust air heat recovery system of tobacco leaf agricultural product dryer - Google Patents
Exhaust air heat recovery system of tobacco leaf agricultural product dryer Download PDFInfo
- Publication number
- CN105392368A CN105392368A CN201480040455.4A CN201480040455A CN105392368A CN 105392368 A CN105392368 A CN 105392368A CN 201480040455 A CN201480040455 A CN 201480040455A CN 105392368 A CN105392368 A CN 105392368A
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- Prior art keywords
- air
- heat
- hothouse
- temperature
- suction inlet
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- 235000002637 Nicotiana tabacum Nutrition 0.000 title claims abstract description 52
- 241000208125 Nicotiana Species 0.000 title claims abstract description 51
- 238000011084 recovery Methods 0.000 title claims abstract description 40
- 238000001035 drying Methods 0.000 claims abstract description 33
- 238000007664 blowing Methods 0.000 claims abstract description 7
- 238000002485 combustion reaction Methods 0.000 claims description 15
- 238000010438 heat treatment Methods 0.000 claims description 11
- 238000007599 discharging Methods 0.000 claims description 4
- 238000005259 measurement Methods 0.000 abstract 1
- 238000003306 harvesting Methods 0.000 description 6
- 238000010981 drying operation Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000000926 separation method Methods 0.000 description 3
- 235000002566 Capsicum Nutrition 0.000 description 1
- 240000008574 Capsicum frutescens Species 0.000 description 1
- 244000061176 Nicotiana tabacum Species 0.000 description 1
- 244000046052 Phaseolus vulgaris Species 0.000 description 1
- 235000010627 Phaseolus vulgaris Nutrition 0.000 description 1
- 238000013475 authorization Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000001390 capsicum minimum Substances 0.000 description 1
- 235000013339 cereals Nutrition 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000012163 sequencing technique Methods 0.000 description 1
Classifications
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- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23B—PRESERVATION OF FOODS, FOODSTUFFS OR NON-ALCOHOLIC BEVERAGES; CHEMICAL RIPENING OF FRUIT OR VEGETABLES
- A23B7/00—Preservation of fruit or vegetables; Chemical ripening of fruit or vegetables
- A23B7/005—Preserving by heating
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23B—PRESERVATION OF FOODS, FOODSTUFFS OR NON-ALCOHOLIC BEVERAGES; CHEMICAL RIPENING OF FRUIT OR VEGETABLES
- A23B7/00—Preservation of fruit or vegetables; Chemical ripening of fruit or vegetables
- A23B7/005—Preserving by heating
- A23B7/0053—Preserving by heating by direct or indirect contact with heating gases or liquids
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23B—PRESERVATION OF FOODS, FOODSTUFFS OR NON-ALCOHOLIC BEVERAGES; CHEMICAL RIPENING OF FRUIT OR VEGETABLES
- A23B7/00—Preservation of fruit or vegetables; Chemical ripening of fruit or vegetables
- A23B7/02—Dehydrating; Subsequent reconstitution
- A23B7/0205—Dehydrating; Subsequent reconstitution by contact of the material with fluids, e.g. drying gas or extracting liquids
-
- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24B—MANUFACTURE OR PREPARATION OF TOBACCO FOR SMOKING OR CHEWING; TOBACCO; SNUFF
- A24B1/00—Preparation of tobacco on the plantation
- A24B1/02—Arrangements in barns for preparatory treatment of the tobacco, e.g. with devices for drying
-
- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24B—MANUFACTURE OR PREPARATION OF TOBACCO FOR SMOKING OR CHEWING; TOBACCO; SNUFF
- A24B3/00—Preparing tobacco in the factory
- A24B3/04—Humidifying or drying tobacco bunches or cut tobacco
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
- F26B21/02—Circulating air or gases in closed cycles, e.g. wholly within the drying enclosure
- F26B21/022—Circulating air or gases in closed cycles, e.g. wholly within the drying enclosure with provisions for changing the drying gas flow pattern, e.g. by reversing gas flow, by moving the materials or objects through subsequent compartments, at least two of which have a different direction of gas flow
- F26B21/024—Circulating air or gases in closed cycles, e.g. wholly within the drying enclosure with provisions for changing the drying gas flow pattern, e.g. by reversing gas flow, by moving the materials or objects through subsequent compartments, at least two of which have a different direction of gas flow by using movable fan units
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
- F26B21/06—Controlling, e.g. regulating, parameters of gas supply
- F26B21/08—Humidity
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
- F26B21/06—Controlling, e.g. regulating, parameters of gas supply
- F26B21/10—Temperature; Pressure
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B2200/00—Drying processes and machines for solid materials characterised by the specific requirements of the drying good
- F26B2200/22—Tobacco leaves
-
- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
- Y02P60/80—Food processing, e.g. use of renewable energies or variable speed drives in handling, conveying or stacking
- Y02P60/85—Food storage or conservation, e.g. cooling or drying
-
- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Zoology (AREA)
- General Chemical & Material Sciences (AREA)
- Wood Science & Technology (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Food Science & Technology (AREA)
- Polymers & Plastics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Agronomy & Crop Science (AREA)
- Drying Of Solid Materials (AREA)
- Manufacture Of Tobacco Products (AREA)
Abstract
An exhaust air heat recovery system of a tobacco leaf agricultural product dryer, according to the present invention, is characterized by a heat exchange means comprising: a recovery duct (330) which is arranged so as to communicate with one side of an exhaust air outlet (140); a damper (310) which is arranged so as to be rotatable between the recovery duct (330) and the exhaust air outlet (140), and which selectively opens and closes the recovery duct (330) and the exhaust air outlet (140) according to the forward or reverse rotation of a motor (320); an exhaust air heat exchanger (220) which is disposed inside the recovery duct (330) so as to recover the heat of exhaust air, which is expelled through the exhaust air outlet (140), and in which a heat transfer medium is circulated; an inlet heat exchanger (210) which is connected to the exhaust air heat exchanger (220) by a pipeline, and which heats air being sucked into an inlet (130) through the heat transfer medium which is circulated by a pump (250); and a control unit (450) which receives the measurement values of a temperature sensor (410) and a moisture sensor (420) which measure the temperature and the moisture of a drying room (120), and which outputs a control signal for controlling the operation of the tobacco leaf agricultural product dryer, wherein the exhaust air outlet (140) has therein an exhaust fan (510) for sucking in and blowing the air inside the drying room (120) during the drive of a driving motor (520) which drives according to the control signal of the control unit (450).
Description
Technical field
The present invention relates to a kind of heat recovery equipment of extract air of tobacco agricultural product drier, especially, relate to a kind of air exhaust heat passing through the tobacco drier used when being optionally recovered in the tobacco plants such as dry tobacco according to the direction of rotation of damper, thus, not only save the energy, and, easily can adjust the heat recovery equipment of extract air of the tobacco agricultural product drier of structure through improving being applicable to dry temperature and humidity.
Background technology
Usually, high-temperature hot-air is supplied to carry out the agricultural drier of agricultural product drying operation for comprising the drying oven providing agricultural product receiving space and the fan heater hot gas generated by electric heating or combustion being supplied to described drying oven on the various agricultural product such as capsicum, cereal, beans, owing to being provided with air entry and exhaust outlet at described drying oven, therefore, drying oven can keep suitable humidity.
And, the dry run of common agricultural product is, under the state that the air closing initial air entry cut-out outside flow into drying oven, fan heater by the warm-air supply of high temperature to drying oven, after stipulated time, heating was housed in the agricultural product of drying oven, open air entry discharges moisture, by carrying out this process drying farm products repeatedly.
Therefore, in the dry run of described agricultural product, complete the closed and open condition process of air entry in order, in the past, described air entry arranges the getter device carrying out opening and closing according to manual task.
As the prior art relevant with common agricultural drier, No. 20-0455087th, Korean granted utility model publication discloses " getter device of agricultural drier " (authorizing day: 2011.08.09), described device be arranged at the various agricultural product of short time inner drying agricultural drier air entry on, make whether control the opening and closing amount of described air entry and opening and closing according to controller, make drying oven possess the suitable dry environment of applicable drying farm products.
As other look-ahead techniques of common agricultural product drier, No. 10-0458005th, Korean granted patent publication discloses " heat recovery equipment of extract air of tobacco agricultural product drier " (authorization date: 2004.11.11), when utilizing agricultural product drier drying farm products, use the heat exchanger of divergence type fin pipe mode to put into heat-transfer oil in the flexible pipe closed to circulate according to circulating pump, the heat of being discharged by exhaust outlet is made to put into the suction inlet of hothouse again, thus, maximally utilise the heat of being discharged by described exhaust outlet, not only shorten drying time, the fuel quantity of consumption can also be saved.
But, although common agricultural product drier can shorten the drying time to temperature and the insensitive agricultural product of humidity, tobacco needs multiple dry environment according to its kind and harvesting part, when adjusting temperature and humidity inadequately, tobacco can rot, and can not carry out drying operation swimmingly.
Further, common agricultural product drier is the complex structure of the reclaimer for reclaiming air exhaust heat, and reclaims the heat of the exhaust airflow by exhaust outlet all the time, thus, be difficult to adjustment temperature and humidity.
Summary of the invention
(1) technical problem that will solve
The present invention proposes in view of described problems, its object is to, there is provided a kind of by simple Structure composing, and optionally can perform the recuperation of heat work of the discharged air by exhaust outlet, easily can adjust the heat recovery equipment of extract air of the temperature of drier and the tobacco agricultural product drier of the structure of humidity through improving simultaneously.
(2) technical scheme
In order to realize described object, the present invention, comprising: suction inlet, for by air intake to the combustion chamber of tobacco agricultural product drier; Combustion chamber, utilizes burner or heater to be heated by described suction inlet leaked-in air; Hothouse, utilizes the air through heating transferred from described combustion chamber to carry out dry tobacco; Exhaust outlet, is formed as conduit form, for externally discharging the air through heating in described hothouse; Heat exchange unit, for absorb the discharge air of being discharged by described exhaust outlet heat after be passed to suction inlet side.
Described heat exchange unit, comprising: reclaim conduit, be connected and be arranged at the side of described exhaust outlet; Damper, is rotatably arranged between described recovery conduit and described exhaust outlet, along with the positive and negative rotation of motor optionally reclaims conduit and exhaust outlet described in opening and closing; Air exhaust heat interchanger, is arranged at the inside of recovery conduit for reclaiming the heat of the discharge air of being discharged by described exhaust outlet, inner loop heat transfer medium; Suck heat exchanger, be connected with described air exhaust heat interchanger by pipeline, be drawn into the air of described suction inlet by the described heat transfer medium heating circulated along with pump; Control part, receives the measured value measuring the temperature of described hothouse and the temperature sensor of humidity and humidity sensor, exports the control signal of the action controlling tobacco agricultural product drier.
Described heat exchange unit, comprising: temperature sensor, measures the temperature in described hothouse and output temperature measured value; Humidity sensor, measures the humidity in described hothouse and exports hygrometry value; Control part, receive the measured value of described temperature sensor and humidity sensor, after each measured value received and the drying schedule value to have set are made comparisons, export control signal to the motor of the direction of rotation of the described damper of adjustment and the temperature of described hothouse and humidity remained in the temperature and humidity range that have set.
Further, the temperature in described hothouse remains within the scope of 30-90 ° by described control part, according to temperature and the humidity in the kind of the tobacco entered in described hothouse and the condition at each position and described hothouse and make damper action drying time.
Preferably, possess further: drive motors, be arranged in described exhaust outlet, the control signal according to described control part drives; Ventilating fan, during described drive motors action, blows for the inner air sucked in described hothouse.
Preferably, possess further: air supply motor, be arranged at the inside of described recovery conduit, the control signal according to described control part drives; Blowing fan, when driving described air supply motor, the air sucking described recovery catheter interior is blown in described hothouse.
Described air exhaust heat interchanger uses one in hose heat exchanger, plate heat exchanger, heat pipe with suction heat exchanger.
Described suction inlet is divided into the first suction inlet being configured with described suction heat exchanger and the second suction inlet utilizing next door and described first suction inlet to separate.
Described suction inlet possesses further: opening and closing damper, is rotatably configured on the next door of described first suction inlet of separation and described second suction inlet, for one in the first suction inlet described in opening and closing and described second suction inlet; Rotary electric machine, for rotating described opening and closing damper.
(3) beneficial effect
Common agricultural product drying air-to-air energy recovery device is owing to being difficult to adjustment temperature and humidity, therefore, the drying of tobacco can not be carried out, on the contrary, drier of the present invention optionally can adjust the direction of rotation of damper according to the temperature in hothouse and humidity, externally discharge air in hothouse or by after reclaiming conduit and carrying out heat exchange, again be circulated in hothouse, thus, temperature in hothouse and humidity are adjusted to simply the kind of applicable tobacco and the dry environment according to each harvesting part, make the drying operation that easily can perform the tobacco of dry environment complexity, simultaneously, the energy used when can save the extraneous air being heated by suction inlet inflow.
And, the present invention is set temperature sensor and humidity sensor in hothouse, thus, measure the temperature in hothouse and humidity, temperature in hothouse and humidity easily can be adjusted according to the direction of rotation of damper, therefore, the dry environment of applicable tobacco kind and each harvesting part can be kept simply.
Further, the present invention comprises drive motors and ventilating fan further, drive motors, is arranged at the inside of exhaust outlet, drives according to the control signal of described control part; Ventilating fan, during described drive motors action, the inner air sucked in described hothouse is blown, thus the air of the high temperature and humidity that can promptly discharge in hothouse comes rapidly and the temperature adjusted simply in hothouse and humidity.
And, the present invention utilizes next door to separate independently the first suction inlet and the second suction inlet due to suction inlet, and possess the opening and closing damper of in opening and closing first suction inlet and the second suction inlet, therefore, can the air of optionally heat external, thus, the temperature in hothouse and humidity can be adjusted simply.
Accompanying drawing explanation
Fig. 1 is the structure chart of an embodiment of the heat recovery equipment of extract air illustrated according to tobacco agricultural product drier of the present invention.
Fig. 2 illustrates exhaust outlet of the present invention and the stereogram reclaiming conduit.
Fig. 3 is the using state figure of the positive direction rotation status that damper of the present invention is shown.
Fig. 4 a, 4b are the using state figure illustrated according to the positive direction of damper of the present invention and the air flow condition of rotation in the other direction.
Fig. 5 is the structure chart of other embodiments of the retracting device of air exhaust heat according to tobacco agricultural product drier of the present invention.
Fig. 6 is the structure chart of the variant embodiment that recovery conduit of the present invention is shown.
Fig. 7 and Fig. 8 is the drawing that other embodiments of the present invention are shown, the structure chart being flowed into outside air according to the release position of opening and closing damper by the first suction inlet and the second suction inlet is shown.
Fig. 9 illustrates the stereogram being applicable to plate heat exchanger of the present invention.
Detailed description of the invention
The present invention merely can adjust with the selective on-off action of damper according to the temperature in hothouse and drying time in the dry run of tobacco.
According to an example of the heat recovery equipment of extract air of tobacco agricultural product drier 100 of the present invention, referring to figs. 1 through Fig. 4, comprising: suction inlet 130, for by air intake to the combustion chamber 110 of tobacco agricultural product drier 100; Combustion chamber 110, utilizes burner 50 or heater to be heated by described suction inlet 130 leaked-in air; Hothouse 120, utilizes the air through heating transferred from described combustion chamber 110 to carry out dry tobacco; Exhaust outlet 140, is formed as conduit form, externally discharges the air of the heating in described hothouse 120; Heat exchange unit, is passed to suction inlet 130 side after absorbing the heat of the discharge air of being discharged by described exhaust outlet 140.
More specifically, described heat exchange unit, comprising: reclaim conduit 330, be connected and be arranged at the side of described exhaust outlet 140; Damper 310, is incorporated between described recovery conduit 330 and described exhaust outlet 140 by rotating shaft 315 axle, is rotatably arranged at described recovery conduit 330 and exhaust outlet 140 side; Motor 320, is configured at the end of described rotating shaft 315, and rotating shaft 315 described in positive and negative rotation rotates described damper 310; Air exhaust heat interchanger 220, is arranged at the inside of recovery conduit 330 for reclaiming the heat of described discharge air, inner loop heat transfer medium; Suck heat exchanger 210, be connected with described air exhaust heat interchanger 220 by pipeline, be drawn into the air of described suction inlet 130 by the described heat transfer medium heating circulated from described air exhaust heat interchanger 220; Pump 250, is configured at air exhaust heat interchanger 220 and sucks between heat exchanger 210 with the mode circulating heat transfer medium of force feed.
With reference to Fig. 1, the interior separation of tobacco drier 100 is combustion chamber 110 and hothouse 120, and in inside, the multiple tobacco for hanging results of configuration carries out dry dry bar 160.
Combustion chamber 110 is for providing thermal source, and after the heat of burner 50 being flow into the inside of hothouse 120, drying cartridge is loaded in the tobacco in hothouse 120.
On the other hand, the thermal source of combustion chamber 110 can use electric heater to replace burner 50, but, consider the factors such as the rise lacking electric energy and the electricity charge recently, preferably use burner 50.
Further, tobacco drier 100, possesses: suction inlet 130, flows into outside air for the inside to combustion chamber 110; Exhaust outlet 140, for externally discharging the inner air of the high temperature and humidity of the hothouse 120 of dry tobacco.
Undeclared symbol " 40 " illustrates to be fanned the suction of the air intake of outside to the inside of drier 100, and " 60 " illustrate the exhaust outlet be discharged to the outside by the Exhaust Gas of the inside of combustion chamber 110.
With reference to Fig. 2 and Fig. 3, the side of exhaust outlet 140 is provided with the recovery conduit 330 be optionally communicated with according to the on-off action of damper 310.
Reclaim the inside of conduit 330 and be provided with air exhaust heat interchanger 220, complete heat exchange in the way that the air of hothouse 120 inside passes through.
Further, the side reclaiming conduit 330 is connected to the side of exhaust outlet 140, and opposite side is connected to the inside of hothouse 120.
Air exhaust heat interchanger 220 is to be arranged at the inside of reclaiming conduit 330 in a zigzag, and Inner Constitution is that the flexible pipe form of circulating heat transfer medium maybe can use plate heat exchanger or heat pipe.
An example as heat transfer medium can use anti-icing fluid.
Air exhaust heat interchanger 220 has in order to circulating heat transfer medium and sucks the structure that is connected of heat exchanger 210, and an end and the other end of suction heat exchanger 210 are arranged at suction inlet 130.
Damper 310 can rotate earth's axis combination by both forward and reverse directions, according to positive and negative rotation opening and closing exhaust outlet 140 or the recovery conduit 330 of motor 320 by the rotating shaft 315 being arranged at the side of exhaust outlet 140.
Motor 320 can use the electric motor carrying out positive and negative rotation driving according to the control signal of control part 450.
And, as shown in Figure 4 b, when damper 310 carries out positive direction rotation, towards the tap 140a sideway swivel of exhaust outlet 140 centered by rotating shaft 315, simultaneously, close exhaust outlet 140, the air of the high temperature and humidity in hothouse 120 flow into and reclaims conduit 330 side by the open entrance reclaiming conduit 330.
On the contrary, as shown in fig. 4 a, damper 310 carries out opposite direction when rotating, rotate using rotating shaft 315 as center towards the entrance side reclaiming conduit 330, meanwhile, close and reclaim conduit 330, the tap 140a of open exhaust outlet 140 externally discharges the air of the high temperature and humidity in hothouse 120.
Namely, the present invention, rotate according to the both forward and reverse directions of damper 310 and select exhaust outlet 140 and the on-off action reclaiming conduit 330, during open exhaust outlet 140, can prevention along with externally discharging the air of high temperature and humidity of hothouse 120 and phenomenon that the temperature in hothouse 120 and humidity too uprise, during open recovery conduit 330, the high temperature air in hothouse 120 is by carrying out heat exchange while air exhaust heat interchanger 220.
Now, air exhaust heat interchanger 220 contacts by the heat trnasfer of high temperature to heat transfer medium along with the air of high temperature and humidity, transmits heat by the force feed power of pump 250 towards suction heat exchanger 210 side.
Therefore, suck heat exchanger 210 and receive from the heat transfer medium by air exhaust heat interchanger 220 force feed the extraneous air that heat is heated by suction inlet 130 inflow, and flow into the inside of drier 100.
And, the present invention, after the temperature measuring hothouse 120 inside of drier 100 respectively at temperature sensor 410 and humidity sensor 420 and humidity, each measured value is outputted to control part 450, when temperature measuring value and hygrometry value exceed the tolerance band value being set in control part 450, after control part 450 exports control signal to motor 320, damper 310 is transferred open exhaust outlet 140 towards recovery conduit 330 sidespin, thus, temperature and the humidity of drier 100 inside can be reduced.
On the contrary, when temperature measuring value and hygrometry value in the tolerance band set of control part 450 or below time, control part 450 exports control signal to motor 320, after damper 310 is rotated towards exhaust outlet 140 side positive direction, open recovery conduit 330, thus, improve internal temperature and the humidity of drier 100, meanwhile, heat air exhaust heat interchanger 220 and suck the air that heat exchanger 210 heats the outside of the inside flowing into drier 100.
Now, the moisture of tobacco changes according to the temperature Phase Proportion in hothouse 120, therefore, the temperature belonging to the setting range of control part 450 is preferably 30-90 DEG C using the temperature in described hothouse 120 as benchmark, and, preferably, according to the drying condition at each position of the kind of tobacco entered in described hothouse 120 and the tobacco of results and drying time and the temperature adjusted in described hothouse 120 and humidity.This is because need different baking temperatures, humidity and time according to the kind of tobacco and each position.
Therefore, the present invention is, measure the temperature in hothouse 120 and humidity, if control part 450 is according to the temperature measured and humidity and select the opening and closing direction of damper 310 drying time, then damper 310 rotates in the opposite direction, the air of the high temperature and humidity in hothouse 120 being discharged to the outside by exhaust outlet 140 or damper 310 rotates towards positive direction, making air in hothouse 120 by reclaiming conduit 330 again at hothouse 120 Inner eycle.
Fig. 5 is the drawing that other embodiments of the present invention are shown, have as described in the structural element of embodiment, and possessing the inside being arranged at exhaust outlet 140 further, the control signal according to described control part 450 is driven the inner air sucked in described hothouse 120 to carry out the ventilating fan 510 of blowing.
The drive motors 520 that described ventilating fan 510 drives according to the control signal by control part 450 is driven in rotation, by the air in hothouse 120 towards exhaust outlet 140 side suction draft.
When the temperature in hothouse 120 and humidity rise rapidly, the air of the high temperature and humidity in hothouse 120 is promptly discharged by exhaust outlet 140, thus, can simply and promptly the temperature in hothouse 120 is remained in acceptable temperature range.
Fig. 6 is the drawing of other variant embodiment that recovery conduit of the present invention is shown, possess air supply motor 560 and blowing fan 550 further in the inside of reclaiming conduit 330, air supply motor 560, along with the control signal of described control part 450 drives; Blowing fan 550, when described air supply motor 560 action, after sucking the air of described recovery conduit 330 inside, blows in described hothouse 120.
The positive direction that control part 450 carrys out inductional damper 310 by touch sensor or noncontacting proximity sensor rotates and rotates in the other direction, if when the temperature after the stipulated time in hothouse 120 does not rise, after then responding to analysis temperature change, export and drive the control signal of air supply motor 560 to rotate blowing fan 550, thus, the air reclaimed in conduit 330 is circulated in hothouse 120 by force.
Now, the on-off action time of the both forward and reverse directions of control part 450 computing damper 310, heat recovery function and hydrofuge amount after judging the ratio of humidity, is adjusted.
Fig. 7 and Fig. 8 is the structure chart of other another embodiments of the present invention, and described suction inlet 130 is divided into the first suction inlet 130A and the second suction inlet 130B, and the first suction inlet 130A is configured with described suction heat exchanger 210; Second suction inlet 130B, next door and described first suction inlet 130A is utilized to separate, described suction inlet 130 possesses opening and closing damper 600 and rotary electric machine 650 further, opening and closing damper 600 is rotatably configured on the next door of separation described first suction inlet 130A and the second suction inlet 130B, one in the first suction inlet 130A described in opening and closing and the second suction inlet 130B; Rotary electric machine 650, for rotating described opening and closing damper 600.
Opening and closing damper 600 rotates 180 ° according to the driving force of rotary electric machine 650, thus in opening and closing first suction inlet 130A and the second suction inlet 130B one.
That is, as shown in Figure 8, opening and closing damper 600 cuts out the entrance of the second suction inlet 130B side, outside air is flow in hothouse 120 after sucking heat exchanger 210 heating.
On the contrary, as shown in Figure 7, opening and closing damper 600 is utilized to close the first suction inlet 130A in order to the temperature of cool drying room 120, the inside of drier 100 is then fed directly in the process that flowed into by the second suction inlet 130B of extraneous air without sucking heat exchanger 210, therefore, the internal temperature of hothouse 120 promptly can be cooled to suitable temperature.
Fig. 9 illustrates the stereogram being applicable to plate heat exchanger of the present invention, the template air exhaust heat interchanger 220 of the form of integrated multiple Square consisting of two isosceles right-angled triangles is configured at the inside of the air draft framework 150 of the conduit form with multiple air suction hole 151 and steam vent 152, described damper is made to be configured at suction hole 151 and steam vent 152, along with the flow direction of air duct is along inside or suction inlet 130 side of reclaiming conduit 330 and be passed to hothouse 120.
Air exhaust heat interchanger 220 of the present invention, can not only suitable hose type, also can use heat pipe and plate heat exchanger.
Drier of the present invention directly by drying conditions such as the kind of temperature and time needed for operation panel operation task person or input tobacco and harvesting parts, makes to carry out drying according to the drying program of sequencing in advance.
Common agricultural product drier is owing to being difficult to adjustment temperature and humidity, therefore, the drying of tobacco can not be carried out, on the contrary, drier 100 of the present invention optionally can adjust the direction of rotation of damper 310 according to the temperature in hothouse 120 and humidity, therefore, air in hothouse 120 to be discharged to the outside or by reclaiming after conduit 330 carries out heat exchange, again be circulated in hothouse 120, thus, by in hothouse 120 temperature and humidity be adjusted to the kind of applicable tobacco and the dry environment according to each harvesting part simply, make the drying operation that easily can perform the tobacco of dry environment complexity, simultaneously, the energy used when saving the extraneous air being heated by suction inlet 130 inflow.
And, the present invention is set temperature sensor 410 and humidity sensor 420 in hothouse 120, thus, measure the temperature in hothouse 120 and humidity, temperature in hothouse 120 and humidity easily can be adjusted according to the direction of rotation of damper 310, therefore, the dry environment of applicable tobacco kind and each harvesting part can be kept simply.
Further, the present invention comprises drive motors 520 and ventilating fan 510 further, and drive motors 520, is arranged at the inside of exhaust outlet 140, drives according to the control signal of described control part 450; Ventilating fan 510, when driving described drive motors 520, the inner air sucked in described hothouse 120 is blown, thus the air of the high temperature and humidity that can promptly discharge in hothouse 120 comes rapidly and the temperature that adjusts simply in hothouse 120 and humidity.
Claims (7)
1. a heat recovery equipment of extract air for tobacco agricultural product drier, comprising:
Suction inlet (130), for by air intake to the combustion chamber (110) of tobacco agricultural product drier (100);
Combustion chamber (110), utilizes burner (50) or heater to be heated by described suction inlet (130) leaked-in air;
Hothouse (120), utilizes the air through heating transferred from described combustion chamber (110) to carry out dry tobacco;
Exhaust outlet (140), is formed as conduit form, for externally discharging the air through heating in described hothouse (120);
Heat exchange unit, for absorb the discharge air of being discharged by described exhaust outlet (140) heat after be passed to suction inlet (130) side, it is characterized in that, described heat exchange unit, comprising:
Reclaim conduit (330), be connected and be arranged at the side of described exhaust outlet (140);
Damper (310), rotatably be arranged between described recovery conduit (330) and described exhaust outlet (140), the positive and negative rotation along with motor (320) optionally reclaims conduit (330) and exhaust outlet (140) described in opening and closing;
Air exhaust heat interchanger (220), is arranged at the heat that the inside of reclaiming conduit (330) is used for reclaiming the discharge air of being discharged by described exhaust outlet (140), inner loop heat transfer medium;
Suck heat exchanger (210), be connected with described air exhaust heat interchanger (220) by pipeline, be drawn into the air of described suction inlet (130) by the described heat transfer medium heating circulated along with pump (250);
Control part (450), receive the temperature and the temperature sensor (410) of humidity and the measured value of humidity sensor (420) that measure described hothouse (120), export the control signal of the action controlling tobacco agricultural product drier
Ventilating fan (510) is possessed in the inside of described exhaust outlet (140), described ventilating fan, when driving drive motors (520) according to the control signal of control part (450), the air sucking hothouse (120) inner is blown.
2. the heat recovery equipment of extract air of tobacco agricultural product drier according to claim 1, it is characterized in that, described control part (450) is configured to, if receive the temperature of hothouse (120) and the measured value of humidity from temperature sensor (410) and humidity sensor (420), after then the measured value of the temperature of reception and humidity and the drying schedule value set being made comparisons, temperature and the humidity that control signal adjusts described hothouse (120) is exported to according to the motor (320) of the temperature that set and damp condition and the direction of rotation that adjusts damper (310) drying time.
3. the heat recovery equipment of extract air of tobacco agricultural product drier according to claim 1, it is characterized in that, described control part (450) is configured to, if receive the temperature of hothouse (120) and the measured value of humidity from temperature sensor (410) and humidity sensor (420), after then the drying schedule value at the measured value of the temperature of reception and humidity and the kind by tobacco set and position being made comparisons, temperature and the humidity that control signal adjusts described hothouse (120) is exported to according to the motor (320) of the temperature that set and damp condition and the direction of rotation that adjusts damper (310) drying time.
4. the heat recovery equipment of extract air of tobacco agricultural product drier according to claim 3, is characterized in that, within the scope of described control part (450) temperature controlled in described hothouse (120) keeps 30-90 °.
5. the heat recovery equipment of extract air of tobacco agricultural product drier according to claim 1, is characterized in that, described recovery conduit (330) possesses further:
Air supply motor (560), the control signal according to described control part (450) drives;
Blowing fan (550), during described air supply motor (560) action, after sucking the inner air of described recovery conduit (330), air-supply in described hothouse (120).
6. the heat recovery equipment of extract air of tobacco agricultural product drier according to claim 1, it is characterized in that, described air exhaust heat interchanger (220) uses one in hose heat exchanger, plate heat exchanger, heat pipe with suction heat exchanger (210).
7. the heat recovery equipment of extract air of tobacco agricultural product drier according to claim 1, it is characterized in that, described suction inlet (130) is divided into the first suction inlet (130A) being configured with described suction heat exchanger and the second suction inlet (130B) utilizing next door and described first suction inlet (130A) to separate, and described suction inlet (130) possesses further:
Opening and closing damper (600), rotatably be configured at and separate described first suction inlet (130A) with on the next door of described second suction inlet (130B), the first suction inlet (130A) described in opening and closing and in described second suction inlet (130B);
Rotary electric machine (650), for rotating described opening and closing damper (600).
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020130097479A KR101376115B1 (en) | 2013-08-16 | 2013-08-16 | Waste heet recovery system of agricultural products drying apparatus |
| KR10-2013-0097479 | 2013-08-16 | ||
| PCT/KR2014/007627 WO2015023160A1 (en) | 2013-08-16 | 2014-08-18 | Exhaust air heat recovery system of tobacco leaf agricultural product dryer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105392368A true CN105392368A (en) | 2016-03-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201480040455.4A Pending CN105392368A (en) | 2013-08-16 | 2014-08-18 | Exhaust air heat recovery system of tobacco leaf agricultural product dryer |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JP2016532847A (en) |
| KR (1) | KR101376115B1 (en) |
| CN (1) | CN105392368A (en) |
| WO (1) | WO2015023160A1 (en) |
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| CN106802063A (en) * | 2017-03-27 | 2017-06-06 | 嘉兴市桐能环保科技股份有限公司 | A kind of baking oven residual neat recovering system and tunnel type baking oven equipment |
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| CN104534746A (en) * | 2015-01-21 | 2015-04-22 | 云南中海路德科技有限公司 | Equipment for recycling heat energy and aroma substances from tobacco processing waste gas |
| GB201608317D0 (en) * | 2016-05-12 | 2016-06-29 | British American Tobacco Co | Apparatus and method for use in a flue-cured barn |
| CN106666803B (en) * | 2016-11-23 | 2017-12-12 | 无锡市伟丰印刷机械厂 | A kind of efficient tobacco drying device of steel making waste heat |
| CN106805270A (en) * | 2017-03-21 | 2017-06-09 | 张彦勇 | A kind of drying of Chinese wolfberry room |
| CN110285648B (en) * | 2019-07-01 | 2020-12-22 | 山东青岛烟草有限公司 | Drying device for tobacco industry |
| CN110617678A (en) * | 2019-09-24 | 2019-12-27 | 喆能环保技术（深圳）有限公司 | High-efficiency electromagnetic hot air generator |
| KR102154540B1 (en) * | 2020-01-08 | 2020-09-11 | 김영상 | Hybrid cold and hot air combined drying equipment |
| CN111795558A (en) * | 2020-08-12 | 2020-10-20 | 厦门烟草工业有限责任公司 | Silk drying machine, tobacco processing system and drying method |
| CN112220096B (en) * | 2020-10-15 | 2022-03-01 | 贵州工程应用技术学院 | A waste heat recovery device for flue-cured tobacco baking house |
| CN112515227B (en) * | 2020-12-18 | 2023-09-22 | 云南中烟工业有限责任公司 | A moisture discharge damper control device and method based on the production status of tobacco feeder |
| CN112806600B (en) * | 2021-02-04 | 2022-07-29 | 钟学能 | Tobacco drying device with waste gas preheating and recycling functions and operation method thereof |
| CN112902639B (en) * | 2021-03-01 | 2023-05-26 | 广东省现代农业装备研究所 | Combined intelligent tea drying method and dryer |
| CN113615857B (en) * | 2021-07-14 | 2022-10-25 | 河南中烟工业有限责任公司 | Air volume control method and negative pressure detection device for on-site air selection |
| CN113959188B (en) * | 2021-10-15 | 2023-03-31 | 青岛海尔空调电子有限公司 | Method and device for adjusting tobacco leaf drying temperature, electronic equipment and storage medium |
| CN116255799A (en) * | 2021-12-21 | 2023-06-13 | 牟桠楠 | Intelligent drying equipment based on big data |
| KR102720492B1 (en) | 2023-05-18 | 2024-10-22 | 두성농기계(주) | Agricultural products dryer |
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- 2014-08-18 WO PCT/KR2014/007627 patent/WO2015023160A1/en active Application Filing
- 2014-08-18 CN CN201480040455.4A patent/CN105392368A/en active Pending
- 2014-08-18 JP JP2016534540A patent/JP2016532847A/en active Pending
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| CN203037009U (en) * | 2013-01-18 | 2013-07-03 | 湖北省烟草科研所 | Energy-saving curing barn with waste heat recovery device arranged in baking chamber |
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| CN106802063A (en) * | 2017-03-27 | 2017-06-06 | 嘉兴市桐能环保科技股份有限公司 | A kind of baking oven residual neat recovering system and tunnel type baking oven equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2016532847A (en) | 2016-10-20 |
| WO2015023160A1 (en) | 2015-02-19 |
| KR101376115B1 (en) | 2014-03-19 |
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Application publication date: 20160309 |