CN103954101B - The throughcirculation dryer of a kind of recyclable waste heat and control method thereof - Google Patents
The throughcirculation dryer of a kind of recyclable waste heat and control method thereof Download PDFInfo
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- CN103954101B CN103954101B CN201410056276.1A CN201410056276A CN103954101B CN 103954101 B CN103954101 B CN 103954101B CN 201410056276 A CN201410056276 A CN 201410056276A CN 103954101 B CN103954101 B CN 103954101B
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- 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
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- 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
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Abstract
The throughcirculation dryer of a kind of recyclable waste heat and control method thereof, belong to crops and be dried field.The throughcirculation dryer of recyclable waste heat of the present invention is to set up a set of air-returning device on the basis of throughcirculation dryer capable of reversing, air-returning device includes left and right exhaust duct, upper ventilation shaft and control detection equipment, described left and right exhaust duct is connected with left and right hothouse respectively, left and right exhaust duct is connected by upper ventilation shaft with inlet air pipeline, each ventilation shaft connection is provided with control valve, and air-returning device and reversing arrangement cooperation realize for the first time and second time dry run.Structure based on throughcirculation dryer of the present invention proposes a set of drying means, and hot-air can be circulated utilization by the drier structure of the present invention and the combination of drying means, decreases the waste of energy, and the development for green agriculture provides support.
Description
Technical field
The present invention relates to a kind of box drier and control method thereof, a kind of reusable edible heat
Throughcirculation dryer and control method thereof.
Background technology
Along with results fast development is concentrated in China's rural area grain and oil crop mechanization, due to place of production dry in the sun facility not
Foot and rainy weather limit, and high-moisture grain and oil material can not be dried in time and cause the problems such as loss of going mouldy non-
The most prominent.Box throughcirculation dryer is a kind of economical and practical grain drier, and device structure is simple, behaviour
Making convenience, flexible configuration, cheap, and adapt to being dried in different agricultural product materials, equipment is logical
With property is good, utilization rate is high, the investment payback time is short, relatively it is adapted to production reality and the warp of rural area peasant household of China
Ji condition.Shown in concrete structure as accompanying drawing 1, including drying box, being provided with at drying box
Vent, is connected with blower fan by Gas inlet tube, is provided with temperature transducer, described survey in drying box
Temperature sensor electrical connection controller, described controller electrical connection firing equipment and blower fan, described firing equipment
Being arranged on by blower fan blast orifice, firing equipment uses the combustor with fuel tank.
There is a lot of defect in this traditional box throughcirculation dryer, ventilates uneven, there is bigger leading to
Wind dead angle；Contour bed material Temperature Distribution difference is big, and precipitation speed is inconsistent；Bed material is done up and down
Dry precedence is fixed, upper materials be dried delayed seriously；Capacity usage ratio is low, and waste is serious, and returns
Receive difficulty.
For disadvantages described above, designer design a kind of can with the box throughcirculation dryer of air direction reversals,
Shown in concrete structure as accompanying drawing 2.Drying box is divided into left and right two by central dividing plate by this throughcirculation dryer
Individual hothouse, by the hot-air flow direction in the ventilation order modification casing in two air ports of control and stream
Dynamic process, hot-air shunting drainage technology solve fixed bed box throughcirculation dryer dead corner excessive and
The problem that level course ventilation is uneven, improves the uniformity of same level layer dry materials；Air direction reversals
Dry technology changes the dry order that material bed levels material is intrinsic, efficiently solves thickness of feed layer direction
Uneven drying.But the significant problem that this complete equipment does not solve is exactly throughcirculation dryer
During use, capacity usage ratio is low, and substantial amounts of hot-air is the most fully dried and just enters air, actual profit
Ability only account for the 15%-50% of gross energy, and the time of dry materials is the longest, the utilization rate of hot-air
Will be the lowest.
Summary of the invention
The technical problem to be solved is to provide a kind of aeration-drying that can recycle hot-air
Machine and control method thereof, solve the problem that prior art energy dissipation during dried material is serious.
Technical scheme
A kind of throughcirculation dryer of recyclable waste heat, including drying box, described drying box upper inside wall
Being provided with humidity sensor, drying box is divided into and interconnecting mutually by the dividing plate that described drying box inner vertical is arranged
Logical left and right two hothouses, described dividing plate is fixed on bottom drying box, and described left and right hothouse is each
From arranging left and right air intake vent, left and right air intake vent is connected with respective inlet air pipeline respectively, described in enter
Wind pipeline is connected with blower fan and firing equipment, it is characterised in that: between described drying box and blower fan
Setting up a set of air-returning device, described air-returning device includes left and right exhaust duct, upper ventilation shaft and control
Detection equipment, described left and right exhaust duct is connected with left and right hothouse respectively, left and right exhaust duct
Road is connected by upper ventilation shaft with inlet air pipeline, and each ventilation shaft connection is provided with control valve,
Being respectively equipped with humidity sensor at drying baker with the left and right exhaust duct place of being connected, described air-returning device is provided with
Controller, controller receives and sends instruction each controlled valve of control after humidity sensor signal processes,
Described inlet air pipe interior is provided with multiple contact switch, is provided with and matches with air-returning device on inlet air pipeline
Reversing arrangement, described reversing arrangement include reversing handle with commutation blade, described reversing handle and commutation
Blade is connected, and commutation blade swings with the rotation of reversing handle at inlet air pipe interior, commutation blade
Time by different contact switch, contact switch feeds back signal to controller, controls described air-returning device
Each controlled valve so that the hot-air of pipe interior circulates or enters according to default path greatly
Gas, completes to be dried.
At the second stage of aeration-drying, realize dry by air-returning device with the coordinate operation of reversing arrangement
Dry process, owing to hothouse is divided into left and right two hothouses, so inlet air pipeline is designed as Y-shaped structure,
By a Fans air feed, reversing arrangement is placed in the infall of Y shape inlet air pipeline, and commutation blade is with commutation
When handle is swung to certain position by vertical position left-right rotation, commutation the left air intake vent of vanes close or
Right air intake vent.
Realize single air intake vent inlet air except with commutation vanes close beyond one of them can also at hothouse and
The sidewall that inlet air pipeline is connected have left and right enter air valve, by controller control left and right enter air valve
Be turned on or off.
Described air-returning device be the cooperation by multiple ventilation shafts and detector and controller detection and
Control function and realize return air, have in left and right exhaust duct and left and right drying baker connection a left side,
The air outlet of right hothouse, is called for short air outlet, uses slot type pull air door, air door at left and right air outlet
Can ventilate during unlatching, the most stuffy during closedown.Left and right exhaust duct is connected with upper ventilation shaft
Place is provided with swinging air door, i.e. return air state when swinging air door rotates to horizontal level, rotates to vertically
Being then air draft state during position, air intake vent valve can also be set to swinging valve, forwards horizontal level to and is
Closure state, stops inlet air, and forwarding to when 45 degree is opening, and return air valve is by respective air cylinder driven.
According to the difference of drying course, the flow direction of inlet air form and hot-air also can be different, the most dry
There is different use states in dry machine, needs Artificial Control, wherein hand control switch and commutation blade phase
Connecting, commutation blade rotation contacts with contact switch a, b, c respectively to diverse location.Connect a, b,
After c difference contact switch, drying machine is put into different dry runs.
In order to make full use of dry place, preferably utilize hot-air, reach more preferable drying effect, left,
Right hothouse can be provided with the multilayers bed of material, and every layer material bed with the web plate separation with mesh.Hot-air can
To pass through between material, the size of mesh is less than dried material, and different materials can also use not
Coordinate dry with the mesh web plate in aperture.
The drying means of throughcirculation dryer based on recyclable waste heat, it is characterised in that comprise the following steps:
(1) opening blower fan, commutation blade rotates to centre position, and left and right hothouse is aerated doing simultaneously
Dry；
(2) it is arranged on the humidity sensor detection air humidity of drying box upper inside wall, transmits a signal to
Controller, when detection humidity is less than controller preset value, cuts out the case lid ventilated, enters air direction reversals and do
Dry link；
(3) rotating reversing handle, controller controls each valve opening and closing, and hot-air is entered by right hothouse
Entering left bank wind pipeline after left hothouse, the humidity sensor of left air outlet detects the wet of the air of process
Degree is more than presetting humidity, and hot-air is discharged into air；
(4) when the hot-air humidity that left air outlet humidity sensor detects presets humidity less than controller,
Controller conversion valve opening and closing, hot-air continues participation after entering upper ventilation shaft and is dried；
(5) rotating reversing handle, controller controls each valve opening and closing, and hot-air is entered by left hothouse,
Entering right exhaust duct after right hothouse, the detection of right air outlet humidity sensor is more than through air humidity
Presetting humidity, hot-air enters air；
(6) when the hot-air humidity that right air outlet humidity sensor detects presets humidity less than controller,
Controller conversion valve opening and closing, hot-air continues participation after entering upper ventilation shaft and is dried；
(7) step 3-6 is repeated until having dried.
In described step 2, humidity sensor detects and can send signal enabling when air humidity is less than preset value
Alarm, reminds and installs case lid.
Beneficial effect
The throughcirculation dryer of recyclable waste heat of the present invention and control method thereof are to do in ventilation capable of reversing
Add hot air circulation passage on the basis of dry machine and controlled software, it is achieved recycling of hot-air,
The waste decreasing energy in big degree.
Accompanying drawing explanation
Fig. 1 is traditional box throughcirculation dryer schematic diagram.
Fig. 2 is the schematic diagram of throughcirculation dryer capable of reversing.
Fig. 3 is the throughcirculation dryer schematic diagram of recyclable waste heat of the present invention.
Fig. 4 is throughcirculation dryer ventilation shaft and the master of drying box combination of recyclable waste heat of the present invention
Depending on perspective view.
Fig. 5 is the throughcirculation dryer entirety top view of recyclable waste heat of the present invention.
Fig. 6 is the double air intake vent aeration-drying link air stream of throughcirculation dryer of recyclable waste heat of the present invention
Dynamic schematic diagram.
Fig. 7 is that the throughcirculation dryer air direction reversals link hot-air of recyclable waste heat of the present invention is dried through the right side
Room enters, and left hothouse flows out and do not reclaims air flow schematic diagram.
Fig. 8 is that the throughcirculation dryer air direction reversals link hot-air of recyclable waste heat of the present invention is dried through the right side
Room enters, and left hothouse recycles air flow schematic diagram after flowing out.
Fig. 9 is that the throughcirculation dryer air direction reversals link hot-air of recyclable waste heat of the present invention is dried through a left side
Room enters, and right hothouse flows out and do not reclaims air flow schematic diagram.
Figure 10 is that the throughcirculation dryer air direction reversals link hot-air of recyclable waste heat of the present invention is dried through a left side
Room enters, and right hothouse recycles air flow schematic diagram after flowing out.
Figure 11 is that the throughcirculation dryer control method step 1 of recyclable waste heat of the present invention controls process.
Figure 12 is the control flow chart of the whole drying course of throughcirculation dryer of recyclable waste heat of the present invention.
Wherein: 1-drying box, the left hothouse of 2-, the right hothouse of 3-, 4-left bank wind pipeline, the right exhaust duct of 5-
Road, the upper ventilation shaft of 6-, 7-inlet air pipeline, 8-reversing handle, 9-left air-out valve, the left air returning valve of 10-
Door, 11-enters air valve, 12-right return air valve, 13-right air-out valve.
Detailed description of the invention
Below in conjunction with specific embodiments and the drawings, the present invention is expanded on further.
The throughcirculation dryer of a kind of recyclable waste heat, including drying box 1, in described drying box 1 top
Wall is provided with humidity sensor, and drying box 1 is divided into by the dividing plate that described drying box 1 inner vertical is arranged
The left hothouse 2 being interconnected and right hothouse 3, described dividing plate is fixed on bottom drying box 1, described
Left hothouse 2 and right hothouse 3 each arrange left and right air intake vent, left and right air intake vent respectively with each
Inlet air pipeline 7 be connected, described inlet air pipeline 7 is connected with blower fan and firing equipment, and its feature exists
In: setting up a set of air-returning device between described drying box 1 and blower fan, described air-returning device includes a left side
Exhaust duct 4, right exhaust duct 5, upper ventilation shaft 6 and control detection equipment, described left bank wind pipeline
4 are connected with left hothouse 2 and right hothouse 3 respectively with right exhaust duct 5, the right row of left bank wind pipeline 4
Wind pipeline 5 is connected by upper ventilation shaft 6 with inlet air pipeline 7, and each ventilation shaft connection is provided with
Control valve, be respectively equipped with humidity at drying baker with left bank wind pipeline 4 and right exhaust duct 5 place of being connected
Sensor, described air-returning device is provided with controller, and controller receives after humidity sensor signal processes and sends
Instruction controls each controlled valve, is provided with multiple contact switch, at inlet air inside described inlet air pipeline 7
Pipeline 7 is provided with the reversing arrangement matched with air-returning device, and described reversing arrangement includes reversing handle 8
With commutation blade, described reversing handle 8 is connected with commutation blade, and commutation blade is in inlet air pipeline 7
Portion, by different contact switches, contact switch when commutation blade swings with the rotation of reversing handle 8
Feed back signal to controller, control each controlled valve of described air-returning device so that the heat of pipe interior
Air circulates according to default path or enters air, completes to be dried, as shown in Figure 3,4.
At the second stage of aeration-drying, realize dry by air-returning device with the coordinate operation of reversing arrangement
Dry process, owing to hothouse is divided into left hothouse 2 and right hothouse 3, so inlet air pipeline 7 is designed as Y
Shape structure, by a Fans air feed, reversing arrangement is placed in the infall of Y shape inlet air pipeline 7, commutation
When blade is swung to certain position with reversing handle 8 by vertical position left-right rotation, commutate vanes close
Left air intake vent or right air intake vent, as shown in Figure 5.
Realize single air intake vent inlet air except with commutation vanes close beyond one of them can also at hothouse and
The sidewall that inlet air pipeline 7 is connected be provided with left and right enter air valve, by controller control left and right enter air-valve
Being turned on or off of door.
Described air-returning device be the cooperation by multiple ventilation shafts and detector and controller detection and
Control function and realize return air, on left bank wind pipeline 4 and right exhaust duct 5 and left hothouse 2 and the right side
Hothouse 3 connection has the air outlet of left and right hothouse, is called for short air outlet, left and right air outlet
Place uses slot type pull air door, can ventilate during door opening, the most stuffy during closedown.Left bank airduct
Road 4 is provided with swinging air door, swinging air door with right exhaust duct 5 with upper ventilation shaft 6 place of being connected
I.e. return air state when rotating to horizontal level, is then air draft state when rotating to vertical position, air intake vent valve
Door can also be set to swinging valve, and forwarding horizontal level to is closure state, stops inlet air, forwards 45 degree to
Time be opening, return air valve is by respective air cylinder driven.
According to the difference of drying course, the flow direction of inlet air form and hot-air also can be different, the most dry
There is different use states in dry machine, needs Artificial Control, wherein hand control switch and commutation blade phase
Connecting, commutation blade rotation contacts with contact switch a, b, c respectively to diverse location.Connect a, b,
After c difference contact switch, drying machine is put into different dry runs.
In order to make full use of dry place, preferably utilize hot-air, reach more preferable drying effect, left
Hothouse 2 and right hothouse 3 can be provided with the multilayers bed of material, and every layer material bed divides with the half tone with mesh
Every.Hot-air can pass through between material, and the size of mesh is less than dried material, different materials
The mesh web plate that can also use different pore size is dry to coordinate.
The drying means of throughcirculation dryer based on recyclable waste heat, it is characterised in that comprise the following steps:
(1) opening blower fan, left hothouse 2 and right hothouse 3 are aerated being dried simultaneously；
(2) it is arranged on the humidity sensor detection air humidity of drying box 1 upper inside wall, transmits signal
To controller, when detection humidity is less than controller preset value, closes the case lid ventilated, enter redrying；
(3) rotating reversing handle 8, controller controls each valve opening and closing, and hot-air is by right hothouse 3
By entering left bank wind pipeline 4 after left hothouse 2, the air of the humidity sensor detection process of left air outlet
Humidity more than preset humidity, hot-air is discharged into air；
(4) the hot-air humidity detected when left air outlet humidity sensor presets humidity less than controller
Time, controller conversion valve opening and closing, hot-air continues participation after entering upper ventilation shaft and is dried；
(5) rotating reversing handle 8, controller controls each valve opening and closing, and hot-air is by left hothouse 2
By entering right exhaust duct 5 after right hothouse 3, right air outlet humidity sensor detects through air humidity
More than presetting humidity, hot-air enters air；
(6) the hot-air humidity detected when right air outlet humidity sensor presets humidity less than controller
Time, controller conversion valve opening and closing, hot-air continues participation after entering upper ventilation shaft and is dried；
(7) step 3-6 is repeated until having dried.
In described step 2, humidity sensor detects and can send signal enabling when air humidity is less than preset value
Alarm, reminds and installs case lid.
The throughcirculation dryer aeration-drying process of recyclable waste heat of the present invention is as follows:
Aeration-drying process is broadly divided into two links: double air intake vent aeration-drying links and air direction reversals are done
Dry link.
1, initial stage of drying, the most double air intake vent aeration-drying links, uneasy vanning lid, two inlet airs
Mouthful simultaneously inlet air, left air outlet valve 9 and right air outlet valve 12 close, and hot blast is warp bottom drying baker
Cross material, after material is dried, directly entered air by case top row, as shown in Figure 6.
2, after entering air direction reversals link, realize air direction reversals by manual adjustment reversing handle 8 and be dried,
Commutating period can determine by rule of thumb according to the difference drying temperature.
In view of uniform drying, to anticlockwise reversing handle, enter the revolution valve block of air valve 11 keep with
The state that horizontal plane is 45 degree, i.e. opening, right air-out valve 13 remains closed, left return air valve block and
Right return air valve block keeps vertical state, i.e. air draft state, and left air outlet valve 9 is opened, and hot-air is from the right side
Hothouse 3 enters drying box 1, discharges through left hothouse 2, and the air of discharge does not reclaims, such as Fig. 7
Shown in.
The air themperature discharged after a period of time is more and more higher, and humidity is more and more lower, then enter air valve 11
Revolution valve block rotates counterclockwise to horizontal level, and left return air valve block is rotated clockwise to horizontal level, i.e. returns
Wind state, hot-air the most no longer enters air, but returns to air intake vent through upper ventilation shaft 6, then
Secondary being dried, air flows as shown in Figure 8.Again through after a while, if humidity passes at the air door of left side
The hot-air humidity value that sensor records is more than setting value, and the revolution valve block entering air valve 11 goes to and horizontal plane
The position of 45 degree, left return air rotary valve sheet rotates to vertical position, it is achieved the quick drain of high humility hot-air,
Air-flow direction is as shown in Figure 7.So, constant during this period of time in air direction reversals device direction of ventilation
Inside carry out reciprocation cycle.
After one air direction reversals period, then by reversing handle tune 8 to right rotation, left side goes out valve 9
Closing, left return air valve block and right return air valve block go to vertical position, and right side air-out valve 13 is opened, inlet air
The revolution valve block of valve 11 goes to and the position of horizontal plane 45 degree, and hot-air enters dry from left hothouse 2
Dry casing 1, discharges air, as shown in Figure 9 through right hothouse 3.At constant this of reversing handle 8 station
In the section time, the hot-air humidity value that at the air door of right side, humidity sensor records is less than setting value, then inlet air
The revolution valve block of valve 11 rotates counterclockwise to horizontal level, and right return air valve block rotates counterclockwise to horizontal position
Put, then originally enter the air of air and reenter air intake vent through upper breather line 6 and participate in and be dried, heat
Air-flow direction is as shown in Figure 10.If the hot-air humidity value that at the air door of right side, humidity sensor records is big
In setting value, the revolution valve block entering air valve 11 goes to and the position of horizontal plane 45 degree, right return air valve block
Rotate to vertical position, it is achieved the quick drain of high humility hot-air, air-flow direction is as shown in Figure 9.
So, air direction reversals device direction of ventilation constant during this period of time in carry out reciprocation cycle.
3, hereafter by certain time interval, circulation rotating reversing handle 8 is until drying and terminating.
In use it should be noted that in double air intake vent aeration-drying stages, reach to install case lid condition
Hot-air humidity value is adjustable.The such as air humidity of the ejection bed of material is HMeasure 1More than setting value HSet 1,
Uneasy vanning lid；Otherwise HMeasure 1Value is less than setting value HSet 1Case lid is then installed.The most above-mentioned HSet 1Value
Can be regulated by control panel.
In single air intake vent aeration-drying stage, at drying box 1 side air outlet, reach the air of dehumidifying requirement
Humidity value is adjustable.The dehumidifying humidity such as set is as HSet 2, as the hot-air humidity value H flowing out drying bakerSurvey Obtain 2≥HSet 2Time, hot-air is directly discharged into air, does not recycles；Work as HRecord 2＜ HSet 2Time, hot-air
Reclaim, recycling.
Drying machine employs altogether three humidity sensors, for the ease of distinguishing, will be arranged on left air outlet
Humidity sensor be defined as humidity sensor 1, the humidity sensor being arranged on right air outlet is defined as humidity
Sensor 2, the humidity sensor being arranged on drying baker top is defined as humidity sensor 3.
In sum, every drying machine setting up a set of air-returning device in air direction reversals drying machine, described
Drying machine is by left hothouse 2 and the left ventilation shaft 4 of right hothouse 3 sidewall extraction and right ventilation shaft 5
Being connected with upper ventilation shaft 6, upper ventilation shaft 6 is connected with inlet air pipeline 7, passes through Valve controlling
Air draft or the apparatus structure of return air and above-mentioned control method all within protection scope of the present invention.
Claims (7)
1. a throughcirculation dryer for recyclable waste heat, including drying box (1), described drying box (1)
Upper inside wall is provided with humidity sensor, and the dividing plate that described drying box (1) inner vertical is arranged is by drying baker
Body (1) is divided into left and right two hothouses (2,3) being interconnected, and described dividing plate is fixed on drying box (1)
Bottom, described left and right hothouse (2,3) each arranges left and right air intake vent, and left and right air intake vent is respectively
Being connected with respective inlet air pipeline (7), described inlet air pipeline (7) is connected with blower fan and firing equipment
Connect, it is characterised in that: between described drying box (1) and blower fan, set up a set of air-returning device, described
Air-returning device includes left and right exhaust duct (4,5), upper ventilation shaft (6) and controls detection equipment, institute
State left and right exhaust duct (4,5) to be connected with left and right hothouse (2,3) respectively, left and right air draft
Pipeline (4,5) is connected by upper ventilation shaft (6) with inlet air pipeline (7), and each ventilation shaft is connected
The place of connecing is provided with control valve, described left and right exhaust duct (4,5) and left and right hothouse (2,3) phase
Junction has left air outlet and right air outlet, described left and right exhaust duct (4,5) and upper ventilation shaft
(6) junction is provided with left bank air port and right exhaust outlet, uses slot type pull wind at described left and right air outlet
Door, described left and right exhaust outlet uses swinging air door with entering air valve (11), and by respective gas
Cylinder drives；It is respectively equipped with humidity at drying box (1) with left and right exhaust duct (4,5) place of being connected to pass
Sensor, described air-returning device is provided with controller, and controller receives after humidity sensor signal processes and sends finger
Order controls each controlled valve, is provided with multiple contact switch, at inlet air in described inlet air pipeline (7) inside
Pipeline (7) is provided with the reversing arrangement matched with air-returning device, and described reversing arrangement includes reversing handle
(8) with commutation blade, described reversing handle (8) is connected with commutation blade, and commutation blade is at inlet air
Pipeline (7) is internal, by different contacts when commutation blade swings with the rotation of reversing handle (8)
Switch, contact switch feeds back signal to controller, controls each controlled valve of described air-returning device, makes
The hot-air obtaining pipe interior circulates according to default path or enters air, completes to be dried.
The throughcirculation dryer of recyclable waste heat the most as claimed in claim 1, it is characterised in that enter described in:
Wind pipeline (7) is a kind of Y-shaped structure, and by a Fans air feed, reversing arrangement is placed in Y shape Gas inlet tube
The cross point in road, commutation blade is swung to a location with reversing handle (8) by vertical position left-right rotation
When putting, the commutation left air intake vent of vanes close or right air intake vent.
The throughcirculation dryer of recyclable waste heat the most as claimed in claim 1, it is characterised in that: a described left side,
The sidewall that right hothouse (2,3) is connected with inlet air pipeline (7) be provided with left and right enter air valve, by controlling
Device processed control left and right enter being turned on or off of air valve.
The throughcirculation dryer of recyclable waste heat the most as claimed in claim 1, it is characterised in that: a described left side,
Right hothouse (2,3) is provided with the multilayers bed of material, and every layer material bed with the web plate separation with mesh.
The throughcirculation dryer of recyclable waste heat the most as claimed in claim 1, it is characterised in that connect described in:
Tactile switch has 3, respectively contact switch a, contact switch b and contact switch c, and commutation blade rotates
Contacting with contact switch a, b, c respectively to during diverse location, throughcirculation dryer carries out different being dried
Process.
6. apply a drying means for the throughcirculation dryer of recyclable waste heat as claimed in claim 1,
It is characterized in that comprising the following steps:
(1) opening blower fan, commutation blade rotates to centre position, and left and right hothouse (2,3) is simultaneously
It is aerated being dried；
(2) it is arranged on the humidity sensor detection air humidity of drying box (1) upper inside wall, transmits
Signal, to controller, when detection humidity is less than controller preset value, is closed the case lid ventilated, is entered commutation
Aeration-drying link；
(3) rotating reversing handle (8), controller controls each valve opening and closing, and hot-air is by right hothouse
(3) enter after left hothouse (2), enter left bank wind pipeline (4), the humidity sensor of left air outlet
The humidity of the air of detection process is more than presetting humidity, and hot-air is discharged into air；
(4) the hot-air humidity detected when left air outlet humidity sensor presets humidity less than controller
Time, controller conversion valve opening and closing, hot-air enters upper ventilation shaft (6) to be continued to participate in be dried afterwards；
(5) rotating reversing handle (8), controller controls each valve opening and closing, and hot-air is by left hothouse
(2) enter, after right hothouse (3), enter right exhaust duct (5), right air outlet humidity sensor
Detecting through air humidity more than presetting humidity, hot-air enters air；
(6) the hot-air humidity detected when right air outlet humidity sensor presets humidity less than controller
Time, controller conversion valve opening and closing, hot-air enters upper ventilation shaft (6) to be continued to participate in be dried afterwards；
(7) step 3-6 is repeated until having dried.
The drying means of the throughcirculation dryer of recyclable waste heat the most as claimed in claim 5, its feature exists
In: in step 2, humidity sensor detects and can send signal enabling alarm when air humidity is less than preset value,
Remind and case lid is installed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410056276.1A CN103954101B (en) | 2014-02-19 | 2014-02-19 | The throughcirculation dryer of a kind of recyclable waste heat and control method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410056276.1A CN103954101B (en) | 2014-02-19 | 2014-02-19 | The throughcirculation dryer of a kind of recyclable waste heat and control method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN103954101A CN103954101A (en) | 2014-07-30 |
| CN103954101B true CN103954101B (en) | 2016-09-28 |
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| CN201410056276.1A Active CN103954101B (en) | 2014-02-19 | 2014-02-19 | The throughcirculation dryer of a kind of recyclable waste heat and control method thereof |
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| CN104807314B (en) * | 2015-03-17 | 2017-08-25 | 农业部南京农业机械化研究所 | The waste-heat recovery device and method of a kind of box air direction reversals drying machine |
| CN107830696B (en) * | 2017-11-29 | 2019-07-23 | 农业部南京农业机械化研究所 | A kind of modularization air direction reversals drying machine |
| CN108914363B (en) * | 2018-04-04 | 2020-11-03 | 海宁市汉达袜业有限责任公司 | Hot gas recovery equipment for sock knitting machine |
| CN109349669B (en) * | 2018-12-03 | 2024-06-18 | 农业部南京农业机械化研究所 | Air source heat pump fruit and vegetable dryer based on lateral ventilation structure |
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| KR101095389B1 (en) * | 2011-08-19 | 2011-12-16 | 유한회사 유일 | Preparation method and apparatus for dried persimons using non-circulated air flow |
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| CN102607243A (en) * | 2012-01-13 | 2012-07-25 | 浏阳市远见机械设备销售有限公司 | Fireworks and crackers material curing barn |
| CN102564080A (en) * | 2012-03-06 | 2012-07-11 | 中国农业大学 | Inclined charging tray type gas jet impact drying machine |
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