CN109059433A - A kind of lumber kiln and its control method - Google Patents
A kind of lumber kiln and its control method Download PDFInfo
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- CN109059433A CN109059433A CN201811075276.0A CN201811075276A CN109059433A CN 109059433 A CN109059433 A CN 109059433A CN 201811075276 A CN201811075276 A CN 201811075276A CN 109059433 A CN109059433 A CN 109059433A
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- Prior art keywords
- dry kiln
- dry
- kiln body
- air
- humidity
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Classifications
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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
-
- 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
- F26B21/001—Drying-air generating units, e.g. movable, independent of drying enclosure
-
- 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
- F26B21/004—Nozzle assemblies; Air knives; Air distributors; Blow boxes
-
- 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
-
- 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
- F26B21/086—Humidity by condensing the moisture in the drying medium, which may be recycled, e.g. using a heat pump cycle
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
- F26B25/22—Controlling the drying process in dependence on liquid content of solid materials or objects
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B2210/00—Drying processes and machines for solid objects characterised by the specific requirements of the drying good
- F26B2210/16—Wood, e.g. lumber, timber
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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
- 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
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Drying Of Solid Materials (AREA)
Abstract
The invention discloses a kind of lumber kilns, including net for air-source heat pump units, waste heat recycling humidity-discharging device, dry kiln body and intelligent drying control device, the side of dry kiln body is fixedly connected with hanging gate, the inside of dry kiln body is equipped with interlayer, the upper end of interlayer is fixedly connected with circulating fan, the side of circulating fan is equipped with condenser, and the other side of circulating fan is equipped with electric heater.The invention also discloses a kind of control method of lumber kiln, A: prepare, B: blowing, C: starting, D: temperature and humidity measurement, E: low temperature adjusting, F: high humility adjusting, G: low humidity adjusting, H: alarm, I: completion of processing.The present invention has reached energy-saving and environmental protection, efficient, the effect without any pollutant emission by using net for air-source heat pump units, condenser is directly installed on the intracorporal circulation air path of dry kiln, refrigerant is delivered directly to condensation in dry kiln body by copper pipe, and heat transfer temperature difference is big, and heat exchange efficiency is high.
Description
Technical field
The present invention relates to dry kiln correlative technology field, in particular to a kind of lumber kiln and its control method.
Background technique
Traditional lumber kiln mostly uses greatly brick mix structure drying kiln or aluminium alloy to assemble kiln, and circulated air is arranged in kiln
Hot water heat exchanger is arranged in air duct and realizes heating for machine and air duct, and heat source mostly uses greatly boiler combustion waste wood or burns coal and generates.
Dry kiln in the prior art has the problem that using boiler heat supplying, burns coal, waste wood, diesel oil etc., there are dust, exhaust gas,
The problems such as waste sludge discharge；Hydrofuge uses the passive hydrofuge of air-valve, and hydrofuge control is coarse, and the decline of hydrofuge process temperature is severe, temperature wave
Dynamic big, dry mass is impacted, and has a large amount of thermal energy directly to exhaust, and energy utilization rate is low；Need artificial day and night burning boiler, labour
Intensity is big；Bulk deposition inflammable thing are with the presence of open fire security risk；The variation of moisture content can not accurately be known in real time, dry
Benchmark can not strict implement, cause dries quantity poor；Wind speed is constant, can not automatically adjust wind speed according to the process of the drying of wood,
Cause dry mass poor, energy consumption is high.
It is therefore proposed that a kind of lumber kiln and its control method are necessary to solve the above problems.
Summary of the invention
(1) the technical issues of solving
In view of the deficiencies of the prior art, the present invention provides a kind of lumber kiln and its control methods, solve existing dry
The problem of dry kiln energy consumption height and dries quantity difference.
(2) technical solution
In order to achieve the above object, the present invention is achieved by the following technical programs: a kind of lumber kiln, including air-source heat
Pump assembly, waste heat recycling humidity-discharging device, dry kiln body and intelligent drying control device, the side of the dry kiln body is fixedly connected with
Hang gate, the inside of the dry kiln body is equipped with interlayer, and the two sides of the interlayer are fixedly connected with dry kiln body, it is described every
The upper end of layer is fixedly connected with circulating fan, and the side of the circulating fan is equipped with condenser, the other side of the circulating fan
Equipped with electric heater, the electric heater and condenser are fixedly connected with interlayer；
The side upper end of the dry kiln body is equipped with high-pressure atomization spray head, and the external bottom end of the dry kiln body is equipped with high-pressure plunger
Pump, the high-pressure plunger pump is fixedly connected by water pipe with high-pressure atomization spray head, and the side lower end of the dry kiln body is equipped with the
One wet and dry bulb water box, the other side lower end of the dry kiln body are equipped with the second wet and dry bulb water box, are equipped in the dry kiln body
Line detection sensor, the detecting line sensor have eight groups, the distribution of multiple groups detecting line sensor rectangular array, it is described
Line detection sensor is placed in template；
The top side of the dry kiln body is equipped with the first air-valve, and the top other side of the dry kiln body is equipped with the second air-valve,
Waste heat recycles the top middle portion that humidity-discharging device is located at dry kiln body, and the side of the waste heat recycling humidity-discharging device passes through the first air hose
It is connect with the first air-valve, the other side of the waste heat recycling humidity-discharging device is connect by the second air hose with the second air-valve；
The inside of the dry kiln body is equipped with sensible heat exchanger, and one end of the sensible heat exchanger is fixedly connected with the first two-way wind
Machine, the other end of the sensible heat exchanger are fixedly connected with the second two-way blower fan.
Optionally, there are gap between the interlayer and dry kiln body, the size in the gap is dry kiln body depth
10%。
Optionally, the inside of the intelligent drying control device is equipped with fan frequency control device；
The top of the intelligence drying control device is provided with antenna and acoustic-optic alarm.
Optionally, temperature sensor, the temperature are provided in the first wet and dry bulb water box and the second wet and dry bulb water box
Degree sensor is NTC50K thermistor.
Optionally, the net for air-source heat pump units is located at the outside of dry kiln body, and the net for air-source heat pump units passes through copper
Pipe is fixedly connected with condenser.
Optionally, the inside of the intelligent drying control device is equipped with core board, the core board include acoustic-optic alarm,
Master control circuit, switch input circuit, phase sequence electric power detection, power circuit, stablizes input circuit, motor control at communication output circuit
Circuit and switched output circuits processed；
The output end of switch input circuit, power circuit and stable input circuit is electrically connected with the input terminal of master control circuit, is led to
Believe output of the input terminal of output circuit, phase sequence electric power detection, circuit for controlling motor and switched output circuits with master control circuit
End electrical connection.
A kind of control method of lumber kiln, comprising the following steps:
A: preparing: first determining whether out the rate of drying of timber to be processed, then adjusts intelligent drying control device according to data, thus
Regulate the running frequency of blower；
B: blowing: being first turned on hanging gate, timber put into dry kiln, and timber is connected with detecting line sensor,
It is then shut off hanging gate；
C: starting: opening dry kiln, and blower carries out positive and negative rotation switchover operation in turn；
D: temperature and humidity measurement: when blower rotates forward, being measured using the Temperature Humidity Sensor on the first wet and dry bulb, when blower inverts
When, it is measured using the Temperature Humidity Sensor on the second wet and dry bulb；
E: low temperature is adjusted: when target temperature of the temperature in dry kiln lower than setting, intelligent drying control device issues automatically to be referred to
Starting heat pump unit is enabled, the quantity for starting unit is related with temperature deviation, and temperature deviation is bigger, and the unit quantity of starting is more,
Temperature deviation is smaller, and the unit quantity of starting is fewer, and each unit takes turns to operate；
F: high humility is adjusted: when the humidity in dry kiln is higher than the target humidity of setting, the first air-valve and the second air-valve are opened,
Starting the first blower and the second blower, the first blower and the rotation direction of the second blower and the rotation direction of circulating fan are associated with,
When circulating fan rotates forward, fresh air is inhaled in the reversion of the first blower, and the second blower rotates forward hydrofuge gas, when circulating fan reversion, first
Blower rotates forward hydrofuge gas, and fresh air is inhaled in the reversion of the second blower；
G: low humidity is adjusted: when target humidity of the humidity in dry kiln lower than setting, starting high-pressure plunger pump, high-pressure atomization
Spray head starts to carry out spraying humidification to dry furnace air；
H: alarm: when equipment occurs abnormal, the acoustic-optic alarm on intelligent drying control device is sounded an alarm, and reminds user；
I: completion of processing: being first shut off dry kiln, then open hanging gate, further take out timber, to timber carry out packaging or under
The processing of one step.
Optionally, two kinds of switching switches of manual mode and automatic mode are provided on the intelligent drying control device.
Optionally, it is provided with moisture content display channel on the intelligent drying control device, the moisture content is aobvious
Show that channel there are eight, is equipped with moisture content drying control benchmark and time drying control benchmark in the intelligence drying control device.
Optionally, the acoustic-optic alarm includes warning lamp and buzzer, and the warning lamp is located at the upper end of buzzer.
(3) beneficial effect
The present invention provides a kind of lumber kiln and its control method, have it is following the utility model has the advantages that
(1), the present invention is by using net for air-source heat pump units, has reached energy-saving and environmental protection, efficiently, without any pollutant emission
Effect, condenser are directly installed on the intracorporal circulation air path of dry kiln, and refrigerant is delivered directly in dry kiln body by copper pipe
Condensation, heat transfer temperature difference is big, and heat exchange efficiency is high, simpler compared to the modular system of heat pump water-heating machine, energy conservation.
(2), the present invention recycles humidity-discharging device by setting waste heat, more energy saving compared to the in line mode of tradition, and blower uses
Variable frequency adjustment and timing reversing are conducive to promote dries quantity and reduce drying energy consumption, and control mode has manual automatic two
Kind mode, had not only facilitated debugging, but also automation control may be implemented, and saved manpower.
(3), the present invention can be reminded user in time, avoided by setting acoustic-optic alarm when system breaks down
It causes damages, two kinds of drying benchmark of moisture content drying control benchmark built in device and time drying control benchmark, versatility is more
Extensively, it can satisfy the drying demand of different crowd, humid control uses upstream control mode, ensure that the safety of drying course
Property.
Detailed description of the invention
Fig. 1 is that circulation wind blower structure of the present invention rotates forward schematic diagram.
Fig. 2 is the reversion schematic diagram of circulation wind blower structure of the present invention.
Fig. 3 is the intelligent drying control device structural schematic diagram of the present invention.
Fig. 4 is master control electrical block diagram of the present invention.
In figure: net for air-source heat pump units 1, copper pipe 2, high-pressure plunger pump 3, the first air-valve 4, the first air hose 5, the first two-way wind
Machine 6, high-pressure atomization spray head 7, the first wet and dry bulb water box 8, interlayer 9, condenser 10, circulating fan 11, electric heater 12, sensible heat change
Hot device 13, waste heat recycling humidity-discharging device 15, the second air hose 16, the second air-valve 17, dry kiln body 18, is hung second two-way blower fan 14
Hang gate 19, the second wet and dry bulb water box 20, detecting line sensor 21, template 22, intelligent drying control device 23, sound-light alarm dress
It sets 24, master control circuit 25, communication output circuit 26, switch input circuit 27, phase sequence electric power detection 28, power circuit 29, stablize
Input circuit 30, circuit for controlling motor 31, switched output circuits 32.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that, term " center ", " length ", " width ", " thickness ", "upper",
"lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside", " axial direction ", " radial direction ", " week
To " etc. instructions orientation or positional relationship be based on the orientation or positional relationship shown in the drawings, be merely for convenience of describing this hair
Bright and simplified description, rather than the device or element of indication or suggestion meaning must have a particular orientation, with specific orientation
Construction and operation, therefore be not considered as limiting the invention.
In the present invention unless specifically defined or limited otherwise, term " setting ", " installation ", " connected ", " connection ",
Terms such as " fixations " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection；It can be mechanical connect
It connects；It can be directly connected, it can also be indirectly connected through an intermediary.For the ordinary skill in the art, may be used
To understand the concrete meaning of above-mentioned term in the present invention as the case may be.
In addition, term " first ", " second " etc. are used for description purposes only, it is not understood to indicate or imply relatively important
Property or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Person implicitly includes one or more of the features.
The present invention provides a kind of lumber kilns as shown in Figs 1-4, including net for air-source heat pump units 1, waste heat to recycle
Humidity-discharging device 15, dry kiln body 18 and intelligent drying control device 23, the side of dry kiln body 18 are fixedly connected with hanging gate 19,
The inside of dry kiln body 18 is equipped with interlayer 9, and the both ends of interlayer 9 are fixedly connected with dry kiln body 18, and the upper end of interlayer 9 is fixed to be connected
It is connected to circulating fan 11, the side of circulating fan 11 is equipped with condenser 10, and the other side of circulating fan 11 is equipped with electric heater 12,
Electric heater 12 and condenser 10 are fixedly connected with interlayer 9, and condenser 10 is directly installed on the circulated air in dry kiln body 18
On road, refrigerant is delivered directly to condensation in dry kiln body 18 by copper pipe 2, and heat transfer temperature difference is big, and heat exchange efficiency is high, compares Heat Pump
The modular system of water dispenser is simpler, energy conservation；
The side upper end of dry kiln body 18 is equipped with high-pressure atomization spray head 7, and the external bottom end of dry kiln body 18 is equipped with high-pressure plunger pump
3, high-pressure plunger pump 3 is fixedly connected by water pipe with high-pressure atomization spray head 7, and the side lower end of dry kiln body 18 is equipped with the first dry and wet
Ball water box 8, the other side lower end of dry kiln body 18 are equipped with the second wet and dry bulb water box 20, are equipped with on-line checking in dry kiln body 18 and pass
Sensor 21, detecting line sensor 21 have eight groups, and 21 rectangular array of multiple groups detecting line sensor distribution, on-line checking senses
Device 21 is placed in template 22；
The top side of dry kiln body 18 is equipped with the first air-valve 4, and the top other side of dry kiln body 18 is equipped with the second air-valve 17, remaining
Recuperation of heat humidity-discharging device 15 is located at the top middle portion of dry kiln body 18, and the side that waste heat recycles humidity-discharging device 15 passes through the first air hose
5 connect with the first air-valve 4, and the other side of waste heat recycling humidity-discharging device 15 is connect by the second air hose 16 with the second air-valve 17, lead to
Setting waste heat recycling humidity-discharging device 15 is crossed, it is more energy saving compared to the in line mode of tradition；
The inside of dry kiln body 18 is equipped with sensible heat exchanger 13, and one end of sensible heat exchanger 13 is fixedly connected with the first two-way blower fan
6, the other end of sensible heat exchanger 13 is fixedly connected with the second two-way blower fan 14.
As a kind of optional technical solution of the invention: there are gap, the sizes in gap between interlayer 9 and dry kiln body 18
It is the 10% of dry 18 depth of kiln body.
As a kind of optional technical solution of the invention: the inside of intelligent drying control device 23 is equipped with fan frequency control
Device；
The top of intelligent drying control device 23 is provided with antenna and acoustic-optic alarm 24, by the way that acoustic-optic alarm 24 is arranged,
When system breaks down, user can be reminded in time, avoids losing.
As a kind of optional technical solution of the invention: being all provided in the first wet and dry bulb water box 8 and the second wet and dry bulb water box 20
It is equipped with temperature sensor, temperature sensor is NTC50K thermistor.
As a kind of optional technical solution of the invention: net for air-source heat pump units 1 is located at the outside of dry kiln body 18, air
Source heat pump unit 1 is fixedly connected by copper pipe 2 with condenser 10, by using net for air-source heat pump units 1, has reached energy conservation, ring
It protects, efficiently, the effect without any pollutant emission.
As a kind of optional technical solution of the invention: the inside of intelligent drying control device 23 is equipped with core board, core board
Including acoustic-optic alarm 24, master control circuit 25, communication output circuit 26, switch input circuit 27, phase sequence electric power detection 28, electricity
Source circuit 29 stablizes input circuit 30, circuit for controlling motor 31 and switched output circuits 32；
The output end of switch input circuit 27, power circuit 29 and stable input circuit 30 is electric with the input terminal of master control circuit 25
Connection, communication output circuit 26, phase sequence electric power detection 28, circuit for controlling motor 31 and switched output circuits 32 input terminal with
The output end of master control circuit 25 is electrically connected.
Working principle of the present invention: it when there is unit to need to shut down, is sorted according to the accumulated running time of unit, adds up operation
Time long preferential shutdown, accumulated running time short last shutdown, is conducive to the abrasion equilibrium of unit, when circulating fan rotates forward
When, fresh air is inhaled in the reversion of the first blower, and the second blower rotates forward hydrofuge gas, and when circulating fan reversion, the first blower rotates forward hydrofuge gas,
Fresh air is inhaled in the reversion of second blower, is conducive to the front and back pressure difference using circulating fan, and moisture exclusion efficiency is high, and speed is fast, at the same fresh air and
Heat exchange has been carried out by sensible heat exchanger 13 between moisture, a large amount of heat has been recycled, has reached energy-efficient purpose.
The present invention provides a kind of control methods of lumber kiln, comprising the following steps:
A: preparing: first determining whether out the rate of drying of timber to be processed, then adjusts intelligent drying control device 23 according to data, from
And regulate the running frequency of blower；
B: blowing: being first turned on hanging gate, and timber is put into dry kiln 18, and timber is connected with detecting line sensor 21
It connects, is then shut off hanging gate；
C: starting: opening dry kiln 18, and blower carries out positive and negative rotation switchover operation in turn；
D: it temperature and humidity measurement: when blower rotates forward, is measured using the Temperature Humidity Sensor on the first wet and dry bulb 8, when blower is anti-
When turning, measured using the Temperature Humidity Sensor on the second wet and dry bulb 20；
E: low temperature is adjusted: when target temperature of the temperature in dry kiln 18 lower than setting, intelligent drying control device 23 is sent out automatically
Instruction starting heat pump unit out, the quantity for starting unit is related with temperature deviation, and temperature deviation is bigger, and the unit quantity of starting is got over
More, temperature deviation is smaller, and the unit quantity of starting is fewer, and each unit takes turns to operate；
F: high humility is adjusted: when the humidity in dry kiln 18 is higher than the target humidity of setting, opening the first air-valve 4 and the second wind
Valve 17 starts the first two-way blower fan 6 and the second two-way blower fan 14, the operating side of the first two-way blower fan 6 and the second two-way blower fan 14
It is associated with to the rotation direction of circulating fan 11, when circulating fan 11 rotates forward, the first two-way blower fan 6 reversion suction fresh air, second
Two-way blower fan 14 rotates forward hydrofuge gas, and when circulating fan 11 inverts, the first two-way blower fan 6 rotates forward hydrofuge gas, the second two-way blower fan
Fresh air is inhaled in 14 reversions；
G: low humidity is adjusted: when target humidity of the humidity in dry kiln 18 lower than setting, starting high-pressure plunger pump 3, high pressure
Atomizer 7 starts to carry out spraying humidification to dry furnace air；
H: alarm: when equipment occurs abnormal, the acoustic-optic alarm 24 on intelligent drying control device 23 is sounded an alarm, and is reminded and is used
Family；
I: completion of processing: being first shut off dry kiln 18, then open hanging gate, further take out timber, to timber carry out packaging or
The processing of next step.
As a kind of optional technical solution of the invention: being provided with manual mode and automatic mold on intelligent drying control device 23
Two kinds of switching switches of formula, control mode have manual automatic both of which, had not only facilitated debugging, but also automation control may be implemented,
Save manpower.
As a kind of optional technical solution of the invention: being provided with moisture content on intelligent drying control device 23 and show and lead to
Road, moisture content display channel have eight, are equipped with moisture content drying control benchmark and time in intelligent drying control device 23
Drying control benchmark, two kinds of drying benchmark built in device, versatility is wider, can satisfy the drying demand of different crowd.
As a kind of optional technical solution of the invention: acoustic-optic alarm 24 includes warning lamp and buzzer, warning lamp
Positioned at the upper end of buzzer.
It should be noted that in the present invention unless specifically defined or limited otherwise, fisrt feature is in second feature
It can be that the first and second features directly contact or the first and second features are by intermediary mediate contact "up" or "down".
Moreover, fisrt feature can be above the second feature " above ", " above " and " above " fisrt feature right above second feature or tiltedly
Top, or first feature horizontal height is merely representative of higher than second feature.Fisrt feature second feature " under ", " lower section " and
" following " can be fisrt feature and be directly under or diagonally below the second feature, or be merely representative of first feature horizontal height less than
Two features.
Finally, it should be noted that the foregoing is only a preferred embodiment of the present invention, it is not intended to restrict the invention,
Although the present invention is described in detail referring to the foregoing embodiments, for those skilled in the art, still may be used
To modify the technical solutions described in the foregoing embodiments or equivalent replacement of some of the technical features,
All within the spirits and principles of the present invention, any modification, equivalent replacement, improvement and so on should be included in of the invention
Within protection scope.
Claims (10)
1. a kind of lumber kiln, including net for air-source heat pump units (1), waste heat recycling humidity-discharging device (15), dry kiln body (18)
With intelligent drying control device (23), it is characterised in that: the side of the dry kiln body (18) is fixedly connected with hanging gate (19),
The inside of the dry kiln body (18) is equipped with interlayer (9), and the two sides of the interlayer (9) are fixedly connected with dry kiln body (18),
The upper end of the interlayer (9) is fixedly connected with circulating fan (11), and the side of the circulating fan (11) is equipped with condenser (10),
The other side of the circulating fan (11) is equipped with electric heater (12), and the electric heater (12) and condenser (10) are and interlayer
(9) it is fixedly connected；
The side upper end of the dry kiln body (18) is equipped with high-pressure atomization spray head (7), the external bottom end of the dry kiln body (18)
Equipped with high-pressure plunger pump (3), the high-pressure plunger pump (3) is fixedly connected by water pipe with high-pressure atomization spray head (7), the drying
The side lower end of kiln body (18) is equipped with the first wet and dry bulb water box (8), and the other side lower end of the dry kiln body (18) is equipped with second
Wet and dry bulb water box (20), the dry kiln body (18) is interior to be equipped with detecting line sensor (21), the detecting line sensor
(21) there are eight groups, multiple groups detecting line sensor (21) rectangular array distribution, the detecting line sensor (21) is placed in sample
Plate (22) is inner；
The top side of the dry kiln body (18) is equipped with the first air-valve (4), and the top other side of the dry kiln body (18) is set
Have the second air-valve (17), waste heat recycles the top middle portion that humidity-discharging device (15) are located at dry kiln body (18), the waste heat recycling row
The side of wet device (15) is connect by the first air hose (5) with the first air-valve (4), and the waste heat recycles the another of humidity-discharging device (15)
Side is connect by the second air hose (16) with the second air-valve (17)；
The inside of the dry kiln body (18) is equipped with sensible heat exchanger (13), and one end of the sensible heat exchanger (13) is fixedly connected
Have the first two-way blower fan (6), the other end of the sensible heat exchanger (13) is fixedly connected with the second two-way blower fan (14).
2. a kind of lumber kiln according to claim 1, it is characterised in that:
There are gap between the interlayer (9) and dry kiln body (18), the size in the gap is dry kiln body (18) depth
10%。
3. a kind of lumber kiln according to claim 1, it is characterised in that:
The inside of the intelligence drying control device (23) is equipped with fan frequency control device；
The top of the intelligence drying control device (23) is provided with antenna and acoustic-optic alarm (24).
4. a kind of lumber kiln according to claim 1, it is characterised in that:
Temperature sensor is provided on the first wet and dry bulb water box (8) and the second wet and dry bulb water box (20), the temperature passes
Sensor is NTC50K thermistor.
5. a kind of lumber kiln according to claim 1, it is characterised in that:
The net for air-source heat pump units (1) is located at the outside of dry kiln body (18), and the net for air-source heat pump units (1) passes through copper pipe
(2) it is fixedly connected with condenser (10).
6. a kind of lumber kiln according to claim 1, it is characterised in that:
The inside of the intelligence drying control device (23) is equipped with core board, and the core board includes acoustic-optic alarm (24), total
It controls circuit (25), communication output circuit (26), switch input circuit (27), phase sequence electric power detection (28), power circuit (29), steady
Determine input circuit (30), circuit for controlling motor (31) and switched output circuits (32)；
Switch input circuit (27), power circuit (29) and stablize the output end of input circuit (30) with master control circuit (25)
Input terminal electrical connection, communication output circuit (26), phase sequence electric power detection (28), circuit for controlling motor (31) and switched output circuits
(32) input terminal is electrically connected with the output end of master control circuit (25).
7. a kind of control method of lumber kiln, which comprises the following steps:
A: preparing: first determining whether out the rate of drying of timber to be processed, then adjusts intelligent drying control device (23) according to data,
To regulate the running frequency of blower；
B: blowing: being first turned on hanging gate, timber is put into dry kiln (18), by timber and detecting line sensor (21)
It is connected, is then shut off hanging gate；
C: starting: opening dry kiln (18), and blower carries out positive and negative rotation switchover operation in turn；
D: it temperature and humidity measurement: when blower rotates forward, is measured using the Temperature Humidity Sensor on the first wet and dry bulb (8), works as blower
When reversion, measured using the Temperature Humidity Sensor on the second wet and dry bulb (20)；
E: low temperature is adjusted: when target temperature of the temperature in dry kiln (18) lower than setting, intelligent drying control device (23) is certainly
Dynamic to issue instruction starting heat pump unit, the quantity for starting unit is related with temperature deviation, and temperature deviation is bigger, the unit number of starting
Amount is more, and temperature deviation is smaller, and the unit quantity of starting is fewer, and each unit takes turns to operate；
F: high humility is adjusted: when the humidity in dry kiln (18) is higher than the target humidity of setting, opening the first air-valve (4) and the
Two air-valves (17) start the first two-way blower fan (6) and the second two-way blower fan (14), the first two-way blower fan (6) and the second two-way wind
The rotation direction of machine (14) is associated with the rotation direction of circulating fan (11), when circulating fan (11) rotate forward, the first two-way wind
Fresh air is inhaled in machine (6) reversion, and the second two-way blower fan (14) rotates forward hydrofuge gas, when circulating fan (11) reversion, the first two-way blower fan
(6) hydrofuge gas is rotated forward, fresh air is inhaled in the second two-way blower fan (14) reversion；
G: low humidity is adjusted: when target humidity of the humidity in dry kiln (18) lower than setting, starts high-pressure plunger pump (3),
High-pressure atomization spray head (7) starts to carry out spraying humidification to dry furnace air；
H: alarm: when equipment occurs abnormal, the acoustic-optic alarm (24) on intelligent drying control device (23) is sounded an alarm, and is mentioned
Wake up user；
I: completion of processing: being first shut off dry kiln (18), then opens hanging gate, further takes out timber, pack to timber
Or the processing of next step.
8. a kind of control method of lumber kiln according to claim 7, it is characterised in that:
Two kinds of switching switches of manual mode and automatic mode are provided on the intelligence drying control device (23).
9. a kind of control method of lumber kiln according to claim 7, it is characterised in that:
It is provided with moisture content display channel on the intelligence drying control device (23), the moisture content display channel has
Eight, the intelligence drying control device (23) is interior to be equipped with moisture content drying control benchmark and time drying control benchmark.
10. a kind of control method of lumber kiln according to claim 7, it is characterised in that:
The acoustic-optic alarm (24) includes warning lamp and buzzer, and the warning lamp is located at the upper end of buzzer.
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111336781A (en) * | 2020-04-09 | 2020-06-26 | 广州科思德科技有限公司 | Heat pump self-breathing type drying device and drying control method thereof |
| CN112414022A (en) * | 2020-11-17 | 2021-02-26 | 杭州昭朗五金有限公司 | Full-automatic wood drying kiln |
| CN113237311A (en) * | 2021-05-28 | 2021-08-10 | 佛山市金佰利机电有限公司 | Built-in single-section circulating multilayer drying kiln |
| CN113606889A (en) * | 2021-07-26 | 2021-11-05 | 北京林业大学 | Device for drying wood and recycling heat energy |
| CN114279185A (en) * | 2021-12-30 | 2022-04-05 | 江西竹楠木环保科技有限责任公司 | Bamboo chopstick drying method and system and storage medium |
| CN114459540A (en) * | 2022-01-27 | 2022-05-10 | 重庆佳利乐包装有限公司 | Safety early warning device for wood processing plant |
| CN114474277A (en) * | 2022-02-14 | 2022-05-13 | 江苏中和智能包装有限公司 | Composite energy-saving wood heat treatment kiln and wood heat treatment method thereof |
| CN116061280A (en) * | 2022-11-16 | 2023-05-05 | 成都市绿色快线环保科技有限公司 | Method, device and system for determining initial running mode of quenching and tempering bin |
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| CN111336781A (en) * | 2020-04-09 | 2020-06-26 | 广州科思德科技有限公司 | Heat pump self-breathing type drying device and drying control method thereof |
| CN112414022A (en) * | 2020-11-17 | 2021-02-26 | 杭州昭朗五金有限公司 | Full-automatic wood drying kiln |
| CN113237311A (en) * | 2021-05-28 | 2021-08-10 | 佛山市金佰利机电有限公司 | Built-in single-section circulating multilayer drying kiln |
| CN113606889A (en) * | 2021-07-26 | 2021-11-05 | 北京林业大学 | Device for drying wood and recycling heat energy |
| CN114279185A (en) * | 2021-12-30 | 2022-04-05 | 江西竹楠木环保科技有限责任公司 | Bamboo chopstick drying method and system and storage medium |
| CN114279185B (en) * | 2021-12-30 | 2023-06-30 | 江西竹楠木环保科技有限责任公司 | Bamboo chopstick drying method, system and storage medium |
| CN114459540A (en) * | 2022-01-27 | 2022-05-10 | 重庆佳利乐包装有限公司 | Safety early warning device for wood processing plant |
| CN114474277A (en) * | 2022-02-14 | 2022-05-13 | 江苏中和智能包装有限公司 | Composite energy-saving wood heat treatment kiln and wood heat treatment method thereof |
| CN116061280A (en) * | 2022-11-16 | 2023-05-05 | 成都市绿色快线环保科技有限公司 | Method, device and system for determining initial running mode of quenching and tempering bin |
| CN116061280B (en) * | 2022-11-16 | 2024-03-12 | 成都市绿色快线环保科技有限公司 | Method, device and system for determining initial running mode of quenching and tempering bin |
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