CN105823308B - Hot air guide circulation dryer and method of using the same - Google Patents

Hot air guide circulation dryer and method of using the same Download PDF

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Publication number
CN105823308B
CN105823308B CN201610319953.3A CN201610319953A CN105823308B CN 105823308 B CN105823308 B CN 105823308B CN 201610319953 A CN201610319953 A CN 201610319953A CN 105823308 B CN105823308 B CN 105823308B
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China
Prior art keywords
air
heat source
room
drying
hot
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CN105823308A (en
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马仁杰
郭广
马明銮
陈强
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HUANONG SEED MACHINERY MANUFACTURING Co Ltd SHIHEZI CITY
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HUANONG SEED MACHINERY MANUFACTURING Co Ltd SHIHEZI CITY
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B9/00—Machines or apparatus for drying solid materials or objects at rest or with only local agitation; Domestic airing cupboards
    • F26B9/06—Machines or apparatus for drying solid materials or objects at rest or with only local agitation; Domestic airing cupboards in stationary drums or chambers
    • F26B9/066—Machines or apparatus for drying solid materials or objects at rest or with only local agitation; Domestic airing cupboards in stationary drums or chambers the products to be dried being disposed on one or more containers, which may have at least partly gas-previous walls, e.g. trays or shelves in a stack
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B21/00—Arrangements for supplying or controlling air or other gases for drying solid materials or objects
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B21/00—Arrangements for supplying or controlling air or other gases for drying solid materials or objects
    • F26B21/30—Controlling, e.g. regulating, parameters of gas supply
    • F26B21/35—Temperature; Pressure

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Drying Of Solid Materials (AREA)

Abstract

This application involves a kind of dryer more particularly to a kind of hot wind guiding circulating drier and its application methods；It includes the heat source room being sequentially connected, fan house and drying room, the circulating fan communicated with heat source room and the first inlet and outlet communicated with drying room are equipped in fan house, the top of heat source room, fan house and drying room is equipped with air hose, is equipped with the second inlet and outlet being connected with air hose one end at the top of heat source room；Upper vertical clapboard and n-1 or n in drying room equipped with n with lower air port have the lower vertical clapboard of uptake.Due to implementing above-mentioned technical proposal, the application is by being arranged staggered upper vertical clapboard and lower vertical clapboard, drying room is separated to form to the vent line of S-shaped, forced air altered along S-shaped vent line lead to it is material bed, humid air is taken away, makes the heat received and wind speed uniformity of the every nook and cranny of each self-contained flat, dries quantity is greatly improved, it dries no dead angle and improves drying efficiency, and save the energy.

Description

Hot wind is oriented to circulating drier and its application method
Technical field
This application involves a kind of dryers more particularly to a kind of hot wind to be oriented to circulating drier.
Background technique
Now domestic existing thermal cycle dryer it is most or it is big it is logical between, with circulating fan by the hot wind of hot air chamber Drying room is blowed to, into resistance of the hot wind by material of drying room, is difficult uniformly to alter and leads to material bed, especially drying room most end The material at end will will form the dead angle of large area, cause drying materials uneven；It is " a kind of modular in Chinese utility model patent Fruit and vegetable drying room " in, application No. is 201521081589.9, discloses and first sent the hot wind of hot air chamber by overhead type hot air hose To the least significant end of drying room, then hot wind alters material bed return hot air chamber again, however, hot wind is during returning to hot air chamber Need to alter material bed in the middle part of drying room, the material bed resistance in middle part is larger at this time, and hot wind can walk short circuit after being hampered, often It was slipped from the small space of resistance or wall side, the material dry and wet for still resulting in regional area is uneven.
Summary of the invention
The purpose of the application is to propose a kind of hot wind throughput uniformity for making each corner in drying room, drying effect Fruit is good, saves the hot wind guiding circulating drier of time, cost.
One of technical solution of the application is achieved in that hot wind is oriented to circulating drier comprising is sequentially connected Heat source room, fan house and drying room, fan house is interior to be equipped with the circulating fan communicated with heat source room and communicate with drying room first Inlet and outlet, the top of heat source room, fan house and drying room are equipped with air hose, and the to be connected with air hose one end is equipped at the top of heat source room Two inlet and outlets；Upper vertical clapboard and n-1 or n in drying room equipped with n with lower air port is a lower vertical with uptake Partition, n are positive integer；Upper vertical clapboard and lower vertical clapboard are in staggered and are farthest upper vertical clapboard from heat source room, Drying room is divided into multiple self-contained flats jointly by upper vertical clapboard and lower vertical clapboard, at the top of the self-contained flat from heat source room's distalmost end Equipped with the third inlet and outlet being connected with the air hose other end.
Further, circulating fan is bidirectional circulating blower, is equipped in fan house and is connected electrically in bidirectional circulating blower The control centre that simultaneously energy timing controlled bidirectional circulating blower commutates together.
Further, a bed of material to match with self-contained flat inner wall is equipped in each self-contained flat, on each self-contained flat One independent material gate for bed of material disengaging is installed.
Further, each bed of material includes at least one stoving rack, and stoving rack bottom is equipped with idler wheel, stoving rack up and down Front and back four directions is respectively equipped with one and can be displaced outwardly and respectively can be with the choke plate that offsets of four walls of front and back, self-contained flat above and below self-contained flat One is respectively formed between the stoving rack of right end between the stoving rack of left end, in self-contained flat right wall and self-contained flat in left wall and self-contained flat With air duct, with the lower wind deflector positioned at lower air port lower edge and one end stoving rack between is equipped in air duct or be located on uptake edge with it is another Upper wind deflector between the stoving rack of one end.
Further, stoving rack is equipped with the slideway slided for choke plate, and choke plate is connected with to be manipulated by control centre Driving device.
Further, the side wall of heat source room is equipped with retractable for being connected to extraneous cold-air flap, is equipped in drying room Temperature Humidity Sensor, Temperature Humidity Sensor are electrically connected with the control centre that can control cold-air flap folding.
Further, hot-blast stove is installed in heat source room, is additionally provided with observation window on the side wall of heat source room.
The two of the technical solution of the application are achieved in that a kind of drying side using hot wind guiding circulating drier Method, comprising the following steps:
The first step opens one or more material gate, material is uniformly placed on stoving rack according to actual use situation In each layer frame, by one or more stoving rack groups be combined into the matched bed of material of self-contained flat size, bed of material is pushed into unit In room, material gate is closed；
Second step, by automatic drive control choke plate along the slideway on stoving rack slide in and out and and self-contained flat Up and down front and back four walls touch；
Third step opens hot-blast stove and bidirectional circulating blower, closes cold-air flap, carries out material warm-up phase, passes through control Center timing to bidirectional circulating blower carry out wind direction switching, hot wind along by heat source room, bidirectional circulating blower, fan house, first into The circulation that S-shaped vent line, third inlet and outlet, air hose, the second inlet and outlet being divided into air outlet, drying room are formed is logical The bidirectional circulating flowing that road is timed；When entering self-contained flat, hot wind enters uptake, with uniformly horizontally entering into behind air duct Each layer of stoving rack, then enter lower air port, with air duct into next unit room or hot wind from another side with air duct, the outflow of lower air port Each layer of stoving rack is uniformly horizontally entered into afterwards, then enters next unit room from another side with air duct, uptake outflow；
4th step opens hot-blast stove, bidirectional circulating blower and cold-air flap, carries out the material hydrofuge stage, the temperature in baking room Humidity sensor receives temperature-humidity signal and is transferred to control centre, opens and closes degree with cold-air flap is automatically controlled after setting value comparison, Change heat source room temperature；Hot blast flow direction is consistent with third step；
5th step closes hot-blast stove, cold-air flap, opens bidirectional circulating blower, is carried out the dry materials stage using waste heat, heat It is distinguished and admirable to consistent with third step；
6th step after cooling, close bidirectional circulating blower, opens corresponding material gate, discharges.
Due to implementing above-mentioned technical proposal, the application passes through the staggered upper vertical clapboard of setting in drying room and lower perpendicular Drying room is separated to form the vent line of S-shaped by straight baffle, the pressure difference as caused by after circulating fan work, forced air edge S-shaped vent line, which is altered, to be led to material bed, is taken away humid air, is made the heat received and wind speed of the every nook and cranny of each self-contained flat Dries quantity is greatly improved in uniformity, dries no dead angle and improves drying efficiency, and saves the energy.
Detailed description of the invention
The specific structure of the application is provided by drawings and examples below:
Fig. 1 is 1 structural schematic diagram of the embodiment of the present application；
Fig. 2 is 2 structural schematic diagram of the embodiment of the present application；
Fig. 3 is 3 structural schematic diagram of the embodiment of the present application；
Fig. 4 is the structural schematic diagram of self-contained flat and drying bed；
Fig. 5 is the side structure schematic view of stoving rack.
Legend: 1. heat source room, 2. fan houses, 3. self-contained flats, 4. bidirectional circulating blowers, 5. first inlet and outlets, 6. air hoses, 7. the second inlet and outlet, 8. lower air ports, vertical clapboard on 9., 10. uptakes, 11. lower vertical clapboards, 12. third inlet and outlets, 13. control centre, 14. material gates, 15. stoving racks, 16. idler wheels, 17. choke plates, 18. match air duct, 19. lower wind deflectors, on 20. Wind deflector, 21. cold-air flaps, 22. observation windows, 23. hot-blast stoves.
Specific embodiment
The application is not limited by following embodiments, can be determined according to the technical solution of the application and actual conditions specific Embodiment.
Embodiment 1, as shown in Figure 1, hot wind guiding circulating drier includes the heat source room 1 being sequentially connected, fan house 2 and dries Dry chamber, fan house 2 is interior to be equipped with the circulating fan communicated with heat source room 1 and the first inlet and outlet 5 communicated with drying room, heat source room 1, the top of fan house 2 and drying room is equipped with air hose 6, is equipped with the second inlet and outlet being connected with 6 one end of air hose at the top of heat source room 1 7；The upper vertical clapboard 9 for having lower air port 8 is equipped in drying room；Drying room is divided into two units by upper vertical clapboard 9 Room 3 is equipped with the third inlet and outlet 12 being connected with 6 other end of air hose at the top of the self-contained flat 3 from the relatively distal end of heat source room 1.First into Air outlet 5 is located at 2 side wall upper part of fan house.Drying room can be separated into the vent line of U-shaped by upper vertical clapboard 9 in this way, Pressure difference caused by after circulating fan work, forced air, along the vent line walking being in U-shape, are uniformly altered logical after entering drying room It is material bed, humid air is taken away, makes the heat received and wind speed uniformity of the every nook and cranny of two self-contained flats 3, significantly mentions High dries quantity, dries no dead angle, improves drying efficiency, eliminate as drying dead angle material and spend it is a large amount of when Between, and save the energy.
Embodiment 2, as shown in Fig. 2, hot wind guiding circulating drier includes the heat source room 1 being sequentially connected, fan house 2 and dries Dry chamber, fan house 2 is interior to be equipped with the circulating fan communicated with heat source room 1 and the first inlet and outlet 5 communicated with drying room, heat source room 1, the top of fan house 2 and drying room is equipped with air hose 6, is equipped with the second inlet and outlet being connected with 6 one end of air hose at the top of heat source room 1 7；A lower vertical clapboard 11 for having uptake 10 of upper vertical clapboard 9 and n in drying room equipped with n with lower air port 8, n >= 1, n is positive integer；Upper vertical clapboard 9 and lower vertical clapboard 11 are in staggered and are farthest upper vertical clapboard from heat source room 1 9, drying room is divided into 2n+1 self-contained flat 3 jointly by upper vertical clapboard 9 and lower vertical clapboard 11, from 1 distalmost end of heat source room The third inlet and outlet 12 being connected with 6 other end of air hose is equipped at the top of self-contained flat 3.First inlet and outlet 5 is located at 2 side wall of fan house Lower part.
Embodiment 3, as shown in figure 3, hot wind guiding circulating drier includes the heat source room 1 being sequentially connected, fan house 2 and dries Dry chamber, fan house 2 is interior to be equipped with the circulating fan communicated with heat source room 1 and the first inlet and outlet 5 communicated with drying room, heat source room 1, the top of fan house 2 and drying room is equipped with air hose 6, is equipped with the second inlet and outlet being connected with 6 one end of air hose at the top of heat source room 1 7；Upper vertical clapboard 9 and n-1 in drying room equipped with n with lower air port 8 have the lower vertical clapboard 11, n of uptake 10 >=2, n are positive integer；Upper vertical clapboard 9 and lower vertical clapboard 11 in it is staggered and from heat source room 1 be farthest it is upper vertically every Drying room is divided into 2n self-contained flat 3 jointly by plate 9, upper vertical clapboard 9 and lower vertical clapboard 11, from 1 distalmost end of heat source room The third inlet and outlet 12 being connected with 6 other end of air hose is equipped at the top of self-contained flat 3.First inlet and outlet 5 is located at 2 side wall of fan house Top.
In embodiment 2 and embodiment 3, by be arranged in drying room staggered upper vertical clapboard 9 and it is lower vertically every Drying room is separated to form continuous S-shaped vent line by plate 11, the pressure difference as caused by after circulating fan work, forced air Advance along S-shaped vent line, can effectively pass through the position up and down in each unit room 3, sufficiently alters and lead to material bed, take away wet sky Gas makes the heat received and wind speed uniformity of the every nook and cranny of each self-contained flat 3, dries quantity is greatly improved, and dries It does no dead angle and improves drying efficiency, eliminate the plenty of time spent to dry the material at dead angle, and save the energy And save the energy.
The following are the common preferred embodiments of embodiment 1, embodiment 2, embodiment 3:
As shown in Figures 1 to 3, circulating fan is bidirectional circulating blower 4, is equipped in fan house 2 and 4 electricity of bidirectional circulating blower Link together the control centre 13 that simultaneously energy timing controlled bidirectional circulating blower 4 commutates.It can be controlled in this way by control centre 13 The direction of rotation of bidirectional circulating blower 4, and automatic reverse is timed according to situations such as material kind, baking step, it is formed double To the circulatory system, make dry materials uniform and complete, realizes operation automation.
As shown in Figure 2,4, a bed of material to match with 3 inner wall of self-contained flat, each unit are equipped in each self-contained flat 3 One independent material gate 14 for bed of material disengaging is installed on room 3.It, only need to be according to service condition in this way in pan feeding out Corresponding material gate 14, feeding or submitting bed of material are opened, without the baking room as formula between in the past big lead to, any operate is both needed to beat Open that material inlet/outlet is then step-by-step to be transported bed of material is orderly one by one or transporting；The pan feeding time 60% is saved, is dropped Low labor intensity of operating staff improves two times of work efficiency or more, can save two to three people of labour.
As shown in Fig. 2,4,5, each bed of material includes at least one stoving rack 15, and 15 bottom of stoving rack is equipped with idler wheel 16, The four directions of front and back up and down of stoving rack 15 is respectively equipped with one and can be displaced outwardly and can offset respectively with about 3 four walls of front and back of self-contained flat Choke plate 17, in 3 left wall of self-contained flat and self-contained flat 3 between the stoving rack 15 of left end, in 3 right wall of self-contained flat and self-contained flat 3 most One is respectively formed between the stoving rack 15 of right end with air duct 18, is located at lower 8 lower edge of air port and one end stoving rack with being equipped in air duct 18 Lower wind deflector 19 between 15 or edge and the upper wind deflector 20 between other end stoving rack 15 on uptake 10.
Hot wind is met and can be slipped from the gap of stoving rack 15 and self-contained flat 3 after material is obstructed, and similar circuit short circuit phenomenon is formed, Material is set to cannot get sufficient heat and wind speed；For such drawback, resistance is equipped in four faces in front and back up and down of drying plate rail Aerofoil 17 separates this segment space after offseting with about 3 four walls of front and back of self-contained flat, descends wind deflector 19 and upper wind deflector 20 in addition Design；After hot wind enters self-contained flat 3 from lower air port 8, rise along with air duct 18, and will not be from by the protection of choke plate 17 Front and back four directions overflows up and down, so that it is each material bed uniformly to horizontally enter into stoving rack 15, takes away moisture, material drying, due to The other side with the differential pressure action in air duct 18, hot wind continue to horizontally enter into the other side with air duct 18, from uptake after rising 10 outflows, vice versa for the process.In addition the number of the stoving rack 15 of composition drying bed can according to the size of self-contained flat 3, be adjusted； The idler wheel 16 of 15 bottom of stoving rack is convenient for operator's push.
As shown in Figure 4,5, stoving rack 15 is equipped with the slideway slided for choke plate 17, and choke plate 17, which is connected with, to be controlled The driving device that center 13 manipulates.It can automatically control and be pushed up extremely outside the choke plate 17 of four direction after the closing of material gate 14 in this way Four walls of self-contained flat 3.
As shown in Figures 1 to 3, the side wall of heat source room 1 is equipped with retractable for being connected to extraneous cold-air flap 21, in drying room Temperature Humidity Sensor is installed, Temperature Humidity Sensor is electrically connected with the control centre 13 that can control the folding of cold-air flap 21.It is warm in this way The signal that humidity sensor receives material temperature and humidity is transferred to control centre 13, and cold-air flap 21 is controlled after comparing with setting value Opening and closing degree changes temperature in heat source room 1, realizes the full-automation of heating and cooling mode；In addition using fuzzy control technology and PID The control centre of circuit control technology, according to the bidirectional circulating blower 4 of material setting time automatic reverse, form Department of Automation System, the system can be according to the Temperature and Humidity Control curves set, temperature in auto-control heat source room 1, and in each temperature rank Duan Shixian bidirectional circulating, the dehydration inside and outside speed of scientific control fruit, material meet natural equilibrium dehydration rule, i.e., outer de- Water speed is synchronous with interior dehydrating speed.
As shown in Figures 1 to 3, hot-blast stove 23 is installed in heat source room 1, observation window 22 is additionally provided on the side wall of heat source room 1.It sees Wind-supplying mouth can be done by examining window 22；When drying special material, cross-ventilation can be made, accelerate rate of drying；At the end of drying, open Discharging speed can be improved with fast cooling.
Embodiment 4, as shown in Fig. 1 to 5, a kind of furnace drying method using hot wind guiding circulating drier, including following step It is rapid:
The first step opens one or more material gate 14, material is uniformly placed on stoving rack according to actual use situation In 15 each layer frame, by 15 groups of one or more stoving racks be combined into the matched bed of material of 3 size of self-contained flat, bed of material is pushed away Enter in self-contained flat 3, closes material gate 14；
Second step, by automatic drive control choke plate 17 slid in and out along the slideway on stoving rack 15 and with list Four walls of front and back up and down in first room 3 touch；
Third step opens hot-blast stove 23 and bidirectional circulating blower 4, closes cold-air flap 21, carries out material warm-up phase, passes through 13 timing of control centre carries out wind direction switching to bidirectional circulating blower 4, and hot wind is along by heat source room 1, bidirectional circulating blower 4, blower Room 2, the first inlet and outlet 5, S-shaped vent line, third inlet and outlet 12, air hose 6, the second air inlet/outlet being divided into drying room The bidirectional circulating flowing that the circulation canals that mouth 7 is formed are timed；When entering self-contained flat 3, hot wind enters uptake 10, air distribution Each layer of stoving rack 15 is uniformly horizontally entered into behind road 18, then enters next unit room 3 from another side with air duct 18, the outflow of lower air port 8, Or hot wind enters lower air port 8, with uniformly horizontally entering into each layer of stoving rack 15 behind air duct 18, then from another side with air duct 18, on The outflow of air port 10 enters next unit room 3；
4th step opens hot-blast stove 23, bidirectional circulating blower 4 and cold-air flap 21, carries out the material hydrofuge stage, in baking room Temperature Humidity Sensor receive temperature-humidity signal and be transferred to control centre 13, opened with cold-air flap 21 is automatically controlled after setting value comparison Degree is closed, temperature in heat source room 1 is changed；Hot blast flow direction is consistent with third step；
5th step closes hot-blast stove 23, cold-air flap 21, opens bidirectional circulating blower 4, carries out dry materials rank using waste heat Section, hot blast flow direction are consistent with third step；
6th step after cooling, close bidirectional circulating blower 4, opens corresponding material gate 14, discharges.
The above technical characteristic constitutes the most preferred embodiment of the application, with stronger adaptability and best implementation effect Fruit can increase and decrease inessential technical characteristic according to actual needs, to meet the needs of different situations.

Claims (10)

1.一种热风导向循环烘干机，包括依次相连的热源室、风机室和烘干室，风机室内设有与热源室相通的循环风机和与烘干室相通的第一进出风口，热源室、风机室和烘干室的顶部设有风管，热源室顶部设有与风管一端相连的第二进出风口；其特征在于：烘干室内设有n个带有下风口的上竖直隔板和n-1或n个带有上风口的下竖直隔板，n为正整数；上竖直隔板和下竖直隔板呈交错排布且离热源室最远的为上竖直隔板，上竖直隔板和下竖直隔板共同将烘干室分隔为多个单元房，离热源室最远端的单元房顶部设有与风管另一端相连的第三进出风口；每个单元房内设有一个与单元房内壁相匹配的物料床；每个物料床包括至少一个烘干架，烘干架的上下前后四方各安装有一个可向外移动并分别能与单元房上下前后四壁相抵的阻风板。1. A hot air guide circulation dryer, comprising a heat source chamber, a fan chamber and a drying chamber that are connected in sequence, and the fan chamber is provided with a circulating fan communicated with the heat source chamber and a first air inlet and outlet communicated with the drying chamber, and the heat source chamber is provided. The top of the fan chamber and the drying chamber is provided with an air duct, and the top of the heat source chamber is provided with a second air inlet and outlet that is connected with one end of the air duct; it is characterized in that: the drying chamber is provided with n upper vertical partitions with lower air ports Plate and n-1 or n lower vertical partitions with upper air vents, n is a positive integer; the upper vertical partition and the lower vertical partition are staggered and the one farthest from the heat source chamber is the upper vertical partition The baffle, the upper vertical baffle and the lower vertical baffle jointly divide the drying room into a plurality of unit rooms, and the top of the unit room farthest from the heat source room is provided with a third air inlet and outlet connected to the other end of the air duct; Each unit room is provided with a material bed that matches the inner wall of the unit room; each material bed includes at least one drying rack, and a drying rack is installed on the upper, lower, front and rear sides of the drying rack, which can move outward and can be respectively connected with the unit room. The upper, lower, front and rear four walls of the wind choke against each other. 2.根据权利要求1所述的热风导向循环烘干机，其特征在于：循环风机为双向循环风机，风机室内安装有与双向循环风机电连接在一起并能定时控制双向循环风机换向的控制中心。2. The hot air guide circulation dryer according to claim 1 is characterized in that: the circulation fan is a bidirectional circulation fan, and the fan interior is equipped with a control that is electrically connected to the bidirectional circulation fan and can control the direction of the bidirectional circulation fan at regular intervals. center. 3.根据权利要求1或2所述的热风导向循环烘干机，其特征在于：每个单元房上安装有一个独立的可供物料床进出的物料门。3. The hot-air-guided circulating dryer according to claim 1 or 2, characterized in that: each unit room is provided with an independent material door through which the material bed can enter and exit. 4.根据权利要求3所述的热风导向循环烘干机，其特征在于：烘干架底部设有滚轮，单元房左壁与单元房内最左端的烘干架间、单元房右壁与单元房内最右端的烘干架间各形成一个配风道，配风道内设有位于下风口下沿与一端烘干架间的下挡风板或/和位于上风口上沿与另一端烘干架间的上挡风板。4. The hot-air guiding circulation dryer according to claim 3, characterized in that: the bottom of the drying rack is provided with rollers, the left wall of the unit room and the leftmost drying rack room in the unit room, the right wall of the unit room and the unit The rightmost drying racks in the room each form an air distribution duct, and the air distribution duct is provided with a lower air baffle located between the lower edge of the lower air outlet and one end of the drying rack or/and the upper edge of the upper air outlet and the other end of the drying rack. Upper wind deflector between dry racks. 5.根据权利要求4所述的热风导向循环烘干机，其特征在于：烘干架上设有可供阻风板滑动的滑道，阻风板连接有受控制中心操控的驱动装置。5 . The hot-air-guided circulating dryer according to claim 4 , wherein the drying rack is provided with a slideway for the choke plate to slide, and the choke board is connected with a driving device controlled by the control center. 6 . 6.根据权利要求1或2或4或5所述的热风导向循环烘干机，其特征在于：热源室的侧壁上设有可开合用于连通外界的冷风门，烘干室内安装有温湿度传感器，温湿度传感器与能控制冷风门开合的控制中心电连接。6. The hot air guide circulation dryer according to claim 1 or 2 or 4 or 5, characterized in that: the side wall of the heat source chamber is provided with a cold air door that can be opened and closed to communicate with the outside world, and a warm air door is installed in the drying chamber. The humidity sensor is electrically connected with the control center which can control the opening and closing of the cold air door. 7.根据权利要求3所述的热风导向循环烘干机，其特征在于：热源室的侧壁上设有可开合用于连通外界的冷风门，烘干室内安装有温湿度传感器，温湿度传感器与能控制冷风门开合的控制中心电连接。7. The hot-air guiding circulation dryer according to claim 3, characterized in that: the side wall of the heat source chamber is provided with a cold air door that can be opened and closed to communicate with the outside world, and a temperature and humidity sensor is installed in the drying chamber. It is electrically connected with the control center that can control the opening and closing of the cold air door. 8.根据权利要求1或2或4或5或7所述的热风导向循环烘干机，其特征在于：热源室内安装有热风炉，热源室的侧壁上还设有观察窗。8. The hot-air guiding circulation dryer according to claim 1 or 2 or 4 or 5 or 7, characterized in that a hot-blast stove is installed in the heat source chamber, and an observation window is also provided on the side wall of the heat source chamber. 9.根据权利要求6所述的热风导向循环烘干机，其特征在于：热源室内安装有热风炉，热源室的侧壁上还设有观察窗。9 . The hot-air guiding circulation dryer according to claim 6 , wherein a hot-blast stove is installed in the heat source chamber, and an observation window is also provided on the side wall of the heat source chamber. 10 . 10.一种利用权利要求5所述的热风导向循环烘干机进行的烘干方法，其特征在于包括以下步骤：10. A drying method utilizing the hot-air-guided circulating dryer according to claim 5, characterized in that it comprises the following steps: 第一步，根据实际使用情况，打开一个或者多个物料门，将物料均匀放在烘干架的各个层架上，将一个或多个烘干架组合为与单元房大小匹配的物料床，将物料床推入单元房内，关闭物料门；The first step is to open one or more material doors according to the actual use, put the materials evenly on each shelf of the drying rack, and combine one or more drying racks into a material bed that matches the size of the unit room. Push the material bed into the unit room and close the material door; 第二步，通过自动驱动装置控制阻风板沿着烘干架上的滑道向外滑动并与单元房的上下前后四壁相触；The second step is to control the air choke plate to slide outward along the slideway on the drying rack through the automatic driving device and contact the upper, lower, front and rear walls of the unit room; 第三步，开启热风炉和双向循环风机，关闭冷风门，进行物料预热阶段，通过控制中心定时对双向循环风机进行风向切换，热风沿由热源室、双向循环风机、风机室、第一进出风口、烘干室内被隔成的S形通风线路、第三进出风口、风管、第二进出风口形成的循环通道进行定时的双向循环流动；在进入单元房时，热风进入上风口、配风道后均匀的水平进入烘干架各层，再从另侧配风道、下风口流出进入下一单元房，或者热风进入下风口、配风道后均匀的水平进入烘干架各层，再从另侧配风道、上风口流出进入下一单元房；The third step is to open the hot blast stove and the two-way circulation fan, close the cold air door, and carry out the material preheating stage. The control center regularly switches the wind direction of the two-way circulation fan. The tuyere, the S-shaped ventilation circuit separated into the drying room, the third air inlet and outlet, the air duct, and the circulation channel formed by the second air inlet and outlet conduct regular bidirectional circulation; After the duct, it enters into each layer of the drying rack evenly and horizontally, and then flows out from the other side of the air duct and the lower air outlet into the next unit, or the hot air enters the lower air outlet and distributes the air duct. It flows out from the air duct and upper air outlet on the other side and enters the next unit; 第四步，开启热风炉、双向循环风机和冷风门，进行物料排湿阶段，烘干房内的温湿度传感器接受温湿度信号传输给控制中心，与设定值对比后自动控制冷风门启闭程度，改变热源室内温度；热风流向与第三步一致；The fourth step is to turn on the hot blast stove, the two-way circulating fan and the cold air door to carry out the material moisture removal stage. The temperature and humidity sensor in the drying room receives the temperature and humidity signal and transmits it to the control center, and automatically controls the opening and closing of the cold air door after comparing with the set value. degree, change the indoor temperature of the heat source; the hot air flow is consistent with the third step; 第五步，关闭热风炉、冷风门，开启双向循环风机，利用余热进行物料干燥阶段，热风流向与第三步一致；The fifth step, close the hot blast stove and the cold blast door, open the two-way circulation fan, and use the waste heat to dry the material, and the hot blast flow direction is the same as the third step; 第六步，冷却后，关闭双向循环风机，打开对应的物料门，出料。The sixth step, after cooling, turn off the two-way circulation fan, open the corresponding material door, and discharge the material.
CN201610319953.3A 2016-05-16 2016-05-16 Hot air guide circulation dryer and method of using the same Expired - Fee Related CN105823308B (en)

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