CN106352680A - Agaric double-section drying device and drying control method thereof - Google Patents
Agaric double-section drying device and drying control method thereof Download PDFInfo
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- CN106352680A CN106352680A CN201610966853.XA CN201610966853A CN106352680A CN 106352680 A CN106352680 A CN 106352680A CN 201610966853 A CN201610966853 A CN 201610966853A CN 106352680 A CN106352680 A CN 106352680A
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- auricularia
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B11/00—Machines or apparatus for drying solid materials or objects with movement which is non-progressive
- F26B11/02—Machines or apparatus for drying solid materials or objects with movement which is non-progressive in moving drums or other mainly-closed receptacles
- F26B11/04—Machines or apparatus for drying solid materials or objects with movement which is non-progressive in moving drums or other mainly-closed receptacles rotating about a horizontal or slightly-inclined axis
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L2/00—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor
- A61L2/02—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor using physical phenomena
- A61L2/08—Radiation
- A61L2/10—Ultraviolet radiation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B9/00—Combinations of apparatus for screening or sifting or for separating solids from solids using gas currents; General arrangement of plant, e.g. flow sheets
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
- F26B21/06—Controlling, e.g. regulating, parameters of gas supply
- F26B21/10—Temperature; Pressure
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- 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
- F26B21/12—Velocity of flow; Quantity of flow, e.g. by varying fan speed, by modifying cross flow area
-
- 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
- F26B25/02—Applications of driving mechanisms, not covered by another subclass
-
- 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
- F26B25/06—Chambers, containers, or receptacles
- F26B25/08—Parts thereof
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Epidemiology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Drying Of Solid Materials (AREA)
Abstract
The invention discloses an agaric double-section drying device, which comprises a conveying device, a first section drying device, a sorting mechanism and a second section drying device, wherein the conveying device is used for conveying agarics; the first section of drying device is arranged at one end of the conveying device, performs rotary drying, can scatter adhered agaric and can perform primary shaping; the sorting mechanism is arranged at the other end of the conveying device, and can receive the agaric conveyed by the conveying device, and performs sorting according to requirements; the second section of drying device is arranged at the other end of the sorting mechanism, can receive the agaric from the sorting mechanism and can remove rest moisture in the agaric; a box body of the second section drying device is of a two-layer plate surface structure; a fan is arranged on the top of the box body; the existence of dry air and the normal temperature in the second section drying box can be ensured through ventilation. The agaric double-section drying device is used; the agaric drying process including first section shaping, middle sorting and second section rest moisture removal can be realized; the quality of dried agaric and the agaric drying efficiency can be improved.
Description
Technical field
The present invention relates to a kind of Auricularia drying device, the double section drying device of particularly a kind of Auricularia and its drying control side
Method.
Background technology
Auricularia, also known as: Auricularia, brightness program, its color and luster is dark brown, and delicious flavour is nutritious, is natural nourishing salubrity
Food, and also have very high medical value.Scalable human metabolism, reduces blood pressure, and reduces cholesterol level, has prevention
With the multiple diseases for the treatment of, effect of life lengthening.It is prevented from iron deficiency anemia and other medicinal efficacies.
Auricularia delicious flavour, can element can meat or fish, not only add elegance greatly for Chinese food, and can blood-nourishing preserve youthful looks, make us skin
Ruddy, radiant, and iron deficiency anemia can be prevented.Colloid in Auricularia can be the ash remaining in digestion
The absorption such as dirt, impurity puts together and excretes, thus playing the effect that intestinal is washed in clearing stomach.Meanwhile, it also helps digest fiber
Class material function, has dissolving and melt to foreign bodies such as the hair being difficult to digest eaten unintentionally, rice husk, wooden slag, sand, metal fillings
Change acts on, and therefore, Auricularia is mine, chemical industry and the indispensable health food of textile worker.Auricularia is to cholelithiasis, renal calculuss etc.
Endogenouss foreign body also has more significantly dissolves function.Auricularia can reduce blood clotting, the generation of the disease such as pre- preventing thrombosis, has anti-
Stop pulse atherosclerosis and the effect of coronary heart disease.It contains anti-tumor active substance, energy enhancing human body immunity power, and often eating can
Cancer-resisting.
The Auricularia sold on the market mostly is dry products, is that fresh Auricularia passes through the semi-finished product being dried to obtain,
In recent years, with people to the deep understanding of nutritive value of Auricularia and the development of process technology, the yield of China Auricularia and going out
Mouth amount increases sharply.Product processing form is also arisen at the historic moment by the Auricularia process technology of complete set, and dried Auricularia is protected
Hold the nutritional labeling of Auricularia.Therefore, the drying course of Auricularia, drying unit serve vital work to the drying of Auricularia
With.
Adopting first drying the drying course of existing Auricularia or food drying device sum, because Auricularia dry run is multiple more
Miscellaneous, drying time is wayward, if drying time is long, it will lead to water loss excessive, makes Auricularia easy in extruding
Broken, if moisture retains excessive, time length, it is easily caused that Auricularia is mouldy, the quality of impact product.Meanwhile, existing wood
Ear drying device needs to carry out Auricularia size sorting in advance when using it is impossible to sorting and drying are carried out simultaneously, which increases
The drying program of Auricularia and the burden of labourer.
Bright content
The present invention has designed and developed a kind of double section drying device of Auricularia, can overcome existing Auricularia drying unit using once
Dry, the problem of the product quality such as impact Auricularia.
Another goal of the invention of the present invention: setting mechanism for sorting sorts to Auricularia, improves drying efficiency.
It is a further object to provide a kind of Auricularia second segment drying control method, bp neutral net is to second segment
Be dried temperature and air quantity be controlled it is ensured that the moisture removal of second segment drying course accurate.
The technical scheme that the present invention provides is:
A kind of double section drying device of Auricularia, comprising:
Transporter, for conveying Auricularia；
First paragraph drying unit, it is arranged on one end of described transporter, and is rotary furnace drying, can will stick in one
The Auricularia rising is broken up and is tentatively shaped；
Mechanism for sorting, it is arranged on the other end of described transporter, can receive the Auricularia of transporter transmission, and root
Sorted according to needs；
Second segment drying unit, it is arranged on the other end of described mechanism for sorting, can be by from described mechanism for sorting
Auricularia, and remove remaining moisture in Auricularia；
Wherein, the casing of described second segment drying unit is the structure of two-layer plate face, and top is provided with blower fan, by changing
Gas ensures there is dry air and normal temperature in second segment drying baker.
Preferably, described first paragraph drying unit includes:
Charging aperture, it is arranged on one end of described first paragraph drying unit, and is connected with one end of charging slideway, described enter
It is also configured with material mouth feeding lid；
Rotary drying drum, the other end of described charging slideway tilts to be connected with described rotary furnace drying pot one end, ensure that
Auricularia is rapidly introduced in described rotary drier；
Blower fan heater, it is arranged in the air channel of described rotary drying drum bottom, hot blast can be sent into described rotation
In drying, the food in cylinder is dried；
Spacing walls, it is arranged on the both sides of described rotary furnace drying pot, plays position-limiting action when pot is boosted by cylinder, and
Drying pot can be made preferably to fall in position-limited wheel；
Discharge belt, its one end is connected with the discharging opening of described rotary drying drum, and the other end is with described transporter even
Connect, the Auricularia in described rotary furnace drying pot can be delivered on described transporter；
Burdick lamp, it is arranged on described spacing walls towards the side of described rotary furnace drying pot, and Auricularia sterilization can be disappeared
Poison.
Preferably, described transporter includes:
Baffle plate, it is arranged on the both sides of transporter；
Backboard, it is arranged on described transporter one end near described discharge belt；
Wherein, described transporter is provided with rubber bumps, prevents Auricularia from top landing to lower section.
Preferably, described mechanism for sorting is double-decker, comprising:
Vibrating screen panel, it is arranged on the upper strata of described mechanism for sorting, and both sides are vertically installed with overhead gage, is prevented from wood
Ear drops in the left and right sides；
Sorting conveyer belt, it is arranged on the lower floor of described mechanism for sorting, and both sides are provided with lower baffle plate, described lower baffle plate with
There is between described sorting conveyer belt certain angle of inclination；
Multiple springs, it is arranged on the lower end of described vibrating screen panel, can play buffering when described mechanism for sorting shakes
Effect；
Wherein, described vibrating screen panel is adjustable screen cloth, can select different size of grid.
Preferably, described second segment drying unit also includes:
Thermal-insulation baffle plate, described casing is divided into upper and lower both sides by it, can completely cut off the temperature between upper and lower two-layer；Wherein upper and lower
Two-layer is respectively arranged with Auricularia pallet, and the different size of Auricularia that sorting can be come is dried respectively；
Sliding way, it is arranged on the top of box back surface, and connects with casing upper strata, can transmit described vibrating screen panel
Auricularia import in overstory earpiece disk；
Glide path, it is arranged on the bottom of box back surface, and lower floor connects with casing, can transmit described sorting conveyer belt
The Auricularia coming over imports in understorey earpiece disk, carries out Auricularia drying；
Air door, it is arranged on the side of described casing, connects with air channel, by damper be sized to adjust casing
Internal drying temperature.
Preferably, described casing front is additionally provided with the sliding door with observation window, and is provided with described observation window
Thermometer, can see the temperature of upper and lower drying chamber by observation window.
Preferably, described air channel lower end is connected with water storage case, can collect the globule formed in air channel.
A kind of double section drying control method of Auricularia, using a kind of double section drying device of Auricularia, comprises the following steps:
Step one, according to the sampling period, measure the parameter of second segment drying unit by sensor, comprising: internal temperature
T, fan delivery q, Auricularia weight m, air door opening amount s, interior humidity l；
Step 2, successively above-mentioned parameter is normalized, sets up the input layer vector x={ x of three layers of bp neutral net1,
x2,x3,x4,x5, wherein, x1For internal temperature coefficient, x2For fan delivery coefficient, x3For Auricularia weight coefficient, x4Open for air door
Coefficient of discharge, x5For interior humidity coefficient；
Step 3, described input layer DUAL PROBLEMS OF VECTOR MAPPING to intermediate layer, described intermediate layer vector y={ y1,y2,…,yb}；During b is
Interbed node number, meetsWherein a is input layer number, and c is output layer node number；
Step 4, obtain output layer vector o={ o1,o2, wherein o1Internal temperature for second segment drying unit adjusts system
Number, o2For fan delivery adjustment factor；
Step 5, the internal temperature controlling second segment drying unit, fan delivery, make
Wherein,Wind not Wei i-th this sampling period output layer parameter, tmaxThe internal highest of second segment drying unit
Temperature, qmaxFor the maximum quantity of wind of blower fan, t(i+1)For the internal temperature of second segment drying unit during i+1 sampling period,
q(i+1)For fan delivery during i+1 sampling period；
Step 6, according to the sampled signal in the i ＆ lt cycle, judge running status during i+1 time cycle, as output o1
=0, o2When=1, represent drying baker normal operation；Work as o1=1, o2When=0, represent that drying baker interior temperature spends height, work as o1=1, o2
When=1, represent that drying baker endogenous wind fan delivery is excessive.
Preferably, the formula being normalized in described step 2 isWherein,For normalization
The |input paramete processing, xjFor measurement parameter t, q, m, s, l, j=1,2,3,4,5；xj max、xj minIt is respectively corresponding measurement parameter
In greatest measurement and minimum measured value, using s type function.
Using double sections of drying units, secondary drying is carried out to Auricularia, be prevented from Auricularia due to first drying not completely will
Moisture completely removes, and generation Auricularia is mouldy, seal the phenomenon such as rotten, improves the quality that Auricularia is dried, and arranges mechanism for sorting, can be in wood
Ear carries out size sorting to the demand of the food such as Auricularia to Auricularia according to user while drying, eliminates and carries out Auricularia in advance and divide
The process picking, time-consuming, improve Auricularia drying efficiency.Realize one section of dryness finalization, middle sorting, two-stage drying removes remaining
The Auricularia dry run of moisture, by the control respectively to temperature and air quantity, greatly improves drying efficiency, and saves
Sort the trouble of the manpower and materials brought in the future.Improve be dried after in Auricularia quality research and reduction manpower and materials basis
On, improve the quality of Auricularia after being dried, greatly shorten improve production efficiency drying time.
Using bp neutral net, second segment drying unit temperature and air quantity are controlled, can reflect that second segment dries in time
Drying regime within equipment for drying, carry out early warning in time it is ensured that in second segment drying course Auricularia dries quantity, prevent Auricularia
The phenomenon that moisture removal is excessive or reservation is excessive occurs.
Brief description
Fig. 1 is the structural representation of the double section drying device of Auricularia of the present invention.
Fig. 2 is the structural representation of first paragraph drying unit of the present invention.
Fig. 3 is the structural representation of transporter of the present invention.
Fig. 4 is the structural representation of mechanism for sorting of the present invention.
Fig. 5 is the structural representation of second segment drying unit of the present invention.
Fig. 6 is the external structure schematic diagram of second segment drying unit of the present invention.
Fig. 7 is the control method flow chart based on bp neutral net for the second segment drying unit of the present invention.
Specific embodiment
The present invention is described in further detail below in conjunction with the accompanying drawings, to make those skilled in the art with reference to description literary composition
Word can be implemented according to this.
As shown in figures 1 to 6, the present invention provides a kind of pair of section Auricularia drying device, including first paragraph drying unit 100, transmits
Device 200, mechanism for sorting 300 and second segment drying unit 400.
First paragraph drying unit 100 is arranged on one end of double section Auricularia drying devices, including, charging aperture, it is slided with charging
One end connection in road 102, needs the food that is dried to add from charging aperture, and charging aperture is additionally provided with entering of being matched therewith
Material mouth lid 101, carries out the opening and closing of lid manually, is incubated when can start to be dried after charging.Feed the another of slideway 102
End is connected with one end of rotary drying drum 107, and has certain angle of inclination between charging slideway 102 and rotary drying drum 107,
Ensure that and be smoothly quickly added in rotary drying drum 107 for the food being dried.
First paragraph support 110, it is arranged on first paragraph and dries the outside filling 100, can support and fixing first paragraph is dried
Device 100, blower fan heater 103, it is arranged on first paragraph support 110, the bottom of rotary drying drum 107, can be to first
Heat air delivery in section drying unit 100.Drive mechanism, is arranged on the lower end of rotary drying drum 107, the bottom of first paragraph support,
Including motor 105, be connected with deceleration belt 104, deceleration belt 104 is connected with directional wheel 106, using deceleration belt 104
Increase moment of torsion it is ensured that power is delivered on the cylinder of rotary drying drum 107.Discharge belt 108 is arranged on discharge belt and props up
The top of frame 109, and it is arranged on the other end of rotary drying drum 107, can be by the Auricularia conveying of sizing in rotary drying drum 107
To on the feed end of transporter 200.
Spacing walls are arranged on the both sides of rotary drying drum 107, and spacing coping is provided with insulation cover, when can make work
Rotary drying drum 107 be incubated.Spacing walls are provided with Burdick lamp towards the side of rotary drying drum 107, can be dry to rotation
The Auricularia being dried in dry cylinder 107 carries out sterilizing, sterilizes it is ensured that the quality of Auricularia.
The both sides of transfer device 200 are provided with baffle plate 210, are prevented from Auricularia and drop in the both sides of transfer device；Transmission
Equidistant rubber bumps 220 are provided with device 200, are prevented from Auricularia from top landing to lower section, baffle plate, it is arranged on
The both sides of transporter, are prevented from Auricularia and fall down from the left and right sides of conveyer belt；In transfer device 200 near discharge belt
108 one end is additionally provided with backboard 230.
Mechanism for sorting 300 is connected with the discharge end of transfer device 200, is double-decker, and upper strata is the vibration that can change
Screen cloth 330, can screen according to the carrying out that the requirement of the food being screened and screening carries out food size, and vibration screen
330 both sides are vertically installed with overhead gage 310, and lower floor is sorting conveyer belt 370, and both sides are provided with the lower baffle plate 340 of inclination, prevent
Only Auricularia drops to both sides.
Sorting motor 350 provides power for sorting conveyer belt 370, and vibration motor 320 is arranged on the bottom of vibrating screen panel 330
Portion, provides power for vibrating screen panel 330, and spring 360 arranges the lower end of vibration screen 330, can, shake in mechanism for sorting 300
When play the effect of buffering, prevent from shaking the destruction of the generation of the frame for movement to mechanism for sorting 300.
Second segment drying unit 400 is connected with the discharge end of mechanism for sorting 300, and the casing of second segment drying unit is two-layer
The structure of plate face, to ensure the minimum loss of temperature, and top is provided with blower fan 401, ensures second segment drying unit by ventilation
There are dry air and normal temperature in 400.
Second segment drying unit 400 is provided with the upper and lower, and front is provided with visits and two, Xiamen sliding door manually
407, manually on sliding door 407, it is provided with observation window 406, the inner side of observation window 406 is provided with thermometer 405, can measure upper strata
With the temperature of lower layer box body, and the baking temperature within casing 408 can be observed by observation window 406.The upper and lower case
Body is provided with the pallet 411 holding Auricularia.The back side of casing, that is, casing 408 towards mechanism for sorting 300 discharge end one
Side, is provided with upper and lower slideway 412, the Auricularia from mechanism for sorting 300 levels receiving can be added separately to casing
In the upper and lower pallet 411.
It is provided with thermal-insulation baffle plate 410 between the upper strata of casing 408 and casing lower floor, can be to big Auricularia case and little Auricularia case
It is thermally shielded, the side within casing 408 and bottom surface are provided with many places heater 402, and box house is heated.Casing
408 exterior lateral sides are provided with air channel 403, and it is connected with box house, and the side in air channel 403 is provided with air door 413, its with
Air channel 403 connects, and by the size of damper, can control the temperature change within casing 408.
Surrounding in casing 408 front is provided with sealing gasket 409, can prevent in case with the tight fit of manual sliding door 407
Give out unnecessary heat.Casing 408 near the upper and lower of wind medial surface be provided with anti-slip through the net 404, prevent in wind
When fan delivery is larger, the food that Auricularia etc. is oven-dried enters in blower fan 401 along air channel, causes potential safety hazard.The bottom in air channel 403
Portion is provided with water storage case, can accommodate the moistening air discharged by air channel in ice-cold air channel 403 in the globule formed.
The work process of the double section drying device of Auricularia is: one section of sizing, middle sorting, two-stage nitration removes residual moisture.First
Dry Auricularia or other food will be needed to be added in rotary drying drum 107 by charging aperture, covers discharging lid 101,
Open start button, start working, power, through being transferred on rotary drying drum 107 by deceleration belt 104, opens blower fan heating
Device 103, the food that Auricularia etc. is oven-dried seethes in rotary drying drum 107, by food such as Hot-blast Heating Auricularias, controls temperature
Degree, when cylinder load incrementss be reduced to the firm 60%-100% adding Auricularia amount about when, open uviol lamp, when the food in cylinder
When product reach set dehydrating amount, first paragraph rotation hot-air seasoning completes.
Start discharge belt 108, move after loading hopper, Auricularia is poured in feed conveyor belt 108, start transmission dress
Put 200, Auricularia risen and is transferred in mechanism for sorting 300, Auricularia is sorted by vibration screen 330, upper strata is big Auricularia,
Lower floor is little Auricularia, and screening is finished rear Auricularia and done by upper and lower sliding in 412 pallets entering into second segment drying device
Dry, close sliding door 407 manually, so that upper and lower two-layer drying baker is respectively heated, drying temperature is set, and can be manually
Observation window 406 on sliding door 407 observes temperature and drying regime within casing 408.
The present invention also provides a kind of Auricularia second segment drying control method, such as Fig. 7, using bp neutral net, second segment is dried
The temperature of equipment for drying and fan delivery are regulated and controled, and specifically include following steps:
Step one s510: set up bp neural network model.
Build three layers of bp neutral net, wherein ground floor is input layer, has a node, represent that second segment drying unit exists
A detection signal during work.The second layer be hidden layer, common b node, by neutral net training process in an adaptive way
Determine.Third layer be output layer, common c node, according to the reality output of second segment drying unit in response to determining that.
Therefore, the mathematical model of this neutral net is:
Input vector: x=(x1,x2,...,xa)t
Intermediate layer vector: y=(y1,y2,...,yb)t
Output vector: o=(o1,o2,...,oc)t
In the present invention, input layer number a=5, output layer nodes are c=2, and middle layer node b passes through estimation
5 parameters of input layer are expressed as: x1For internal temperature coefficient, x2For fan delivery coefficient, x3For Auricularia weight
Coefficient of discharge, x4For air door opening amount coefficient, x5For interior humidity coefficient.
Because the dimension of the individual parameter of input layer is different, accordingly, it would be desirable to be normalized to each parameter of input layer,
Obtain the parameter between 0-1.
Normalized formula isWherein,The |input paramete processing for normalization, xjFor measurement ginseng
Number t, q, m, s, l, j=1,2,3,4,5；xj max、xj minIt is respectively the greatest measurement in corresponding measurement parameter and minimum measurement
Value, using s type function.
Using the internal temperature t of temperature sensor measurement second segment drying unit, after being normalized, obtain temperature coefficienttminAnd tmaxIt is respectively minimum internal temperature and the maximum internal temperature of second segment drying unit, andwtiFor the weights of i-th temperature sensor, tiThe temperature of i-th temperature sensor measurement of ' expression
Value, unit be DEG C, ntFor temperature sensor number.
Measure the inside air quantity q of second segment drying unit using air flow sensor, be normalized and obtain air volume coefficientqminAnd qmaxIt is respectively minimum internal air quantity and the maximum internal air quantity of second segment drying unit, andWherein, wqiFor the weights of i-th air flow sensor, qi' represent i-th air flow sensor measurement
Airflow value, unit is lm, nqFor air flow sensor number.
Measure Auricularia quality m of second segment drying unit using weight sensor, be normalized and obtain quality coefficientmminAnd mmaxIt is respectively maximum and the minima of second segment drying unit Auricularia quality, and,Wherein, wmiFor the weights of i-th Auricularia sensor, mi' represent i-th weight sensor measurement
Mass value, unit is kg, nmFor weight sensor number.
Measure air door opening amount s of second segment drying unit 400 using air door opening amount sensor, be normalized and obtain air door
Opening amount coefficientsminAnd smaxIt is respectively the maximum of air door opening amount and the minima of second segment drying unit,
AndWherein, wsiFor the weights of i-th Air door sensor, si' represent i-th air door opening amount sensing
The opening amount value of device measurement, unit is cm2, nsFor air door opening amount number of probes.
Using the interior humidity of humidity sensor measurement second segment drying unit 400, it is normalized and obtains humidity coefficientlminAnd lmaxIt is respectively interior humidity maximum and the minima of second segment drying unit 400, andWherein, wliFor the weights of i-th humidity sensor, li' represent i-th humidity sensor measurement
Humidity value, nlFor humidity sensor number.
Output layer vector o={ o1,o2, wherein o1For the internal temperature adjustment factor of second segment drying unit, o2For blower fan
Air quantity adjustment factor；
Control internal temperature, the fan delivery of second segment drying unit, make
Wherein,Wind not Wei i-th this sampling period output layer parameter, tmaxThe internal highest of second segment drying unit
Temperature, qmaxFor the maximum quantity of wind of blower fan, t(i+1)For the internal temperature of second segment drying unit during i+1 sampling period,
q(i+1)For fan delivery during i+1 sampling period；
According to the sampled signal in the i ＆ lt cycle, judge running status during i+1 time cycle, as output o1=0, o2=
When 1, represent drying baker normal operation；Work as o1=1, o2When=0, represent that drying baker interior temperature spends height, work as o1=1, o2When=1, table
Show that drying baker endogenous wind fan delivery is excessive.
Step 2 s520, carries out bp neural metwork training.
Obtain the sample of training according to historical empirical data, and given connection between input node i and hidden layer node j
Weight wij, hidden node j and output node layer k between connection weight wjk, the threshold θ of hidden node jj, output node layer k's
Threshold θk、wij、wjk、θj、θkIt is the random number between -1 to 1.
In the training process, constantly revise wij、wjkValue, until systematic error be less than or equal to anticipation error when, complete god
Training process through network.
As shown in table 1, given the value of each node in one group of training sample and training process.
The each nodal value of table 1 training process
The control coefrficient that step 3 s530, collection second segment drying unit operational factor input neural network obtain.
Simultaneously using temperature sensor, air flow sensor, weight sensor, air door opening amount sensor and humidity sensor
Measurement initial parameter value, t0、q0、m0、s0、l0, by being normalized above-mentioned parameter, obtain the initial input of bp neutral net
VectorInitial output vector is obtained by the computing of bp neutral net
Control internal temperature, the fan delivery of second segment drying unit, make
Obtain temperature t in ith sample cycle by sensori, air quantity qi, Auricularia quality mi, wind
Door opening amount si, humidity li, by being normalized the input vector obtaining the ith sample cycleLogical
The computing crossing bp neutral net obtains the output vector in ith sample cycleControl second segment drying unit
Internal temperature, fan delivery, make
Step 4 s540, the running status of monitoring second segment drying unit 400.
According to output vectorJudge the running status of second segment drying unit 400, as output o1=0, o2=
When 1, represent drying baker normal operation；Work as o1=1, o2When=0, represent that drying baker interior temperature spends height, work as o1=1, o2When=1, table
Show that drying baker endogenous wind fan delivery is excessive.
Using double sections of drying units, secondary drying is carried out to Auricularia, be prevented from Auricularia due to first drying not completely will
Moisture completely removes, and generation Auricularia is mouldy, seal the phenomenon such as rotten, improves the quality that Auricularia is dried, and arranges mechanism for sorting, can be in wood
Ear carries out size sorting to the demand of the food such as Auricularia to Auricularia according to user while drying, eliminates and carries out Auricularia in advance and divide
The process picking, time-consuming, improve Auricularia drying efficiency.Realize one section of dryness finalization, middle sorting, two-stage drying removes remaining
The Auricularia dry run of moisture, by the control respectively to temperature and air quantity, greatly improves drying efficiency, and saves
Sort the trouble of the manpower and materials brought in the future.Improve be dried after in Auricularia quality research and reduction manpower and materials basis
On, improve the quality of Auricularia after being dried, greatly shorten improve production efficiency drying time.
Using bp neutral net, second segment drying unit temperature and air quantity are controlled, can reflect that second segment dries in time
Drying regime within equipment for drying, carry out early warning in time it is ensured that in second segment drying course Auricularia dries quantity, prevent Auricularia
The phenomenon that moisture removal is excessive or reservation is excessive occurs.
Although embodiment of the present invention is disclosed as above, it is not restricted to listed in description and embodiment
With, it can be applied to various suitable the field of the invention completely, for those skilled in the art, can be easily
Realize other modification, therefore under the general concept being limited without departing substantially from claim and equivalency range, the present invention does not limit
In specific details with shown here as the legend with description.
Claims (9)
1. a kind of double section drying device of Auricularia is it is characterised in that include:
Transporter, for conveying Auricularia；
First paragraph drying unit, it is arranged on one end of described transporter, can rotate, and Auricularia is dried；
Mechanism for sorting, it is arranged on the other end of described transporter, can receive the Auricularia of transporter transmission, and according to need
Sorted；
Second segment drying unit, it is arranged on the other end of described mechanism for sorting, can be to the Auricularia from described mechanism for sorting
Carry out second drying, remove remaining moisture in Auricularia；
Wherein, the casing of described second segment drying unit is the structure of two-layer plate face, and top is provided with blower fan, is protected by ventilation
There are dry air and normal temperature in card second segment drying baker.
2. the double section drying device of Auricularia according to claim 1 is it is characterised in that described first paragraph drying unit includes:
Charging aperture, it is arranged on one end of described first paragraph drying unit, and is connected with one end of charging slideway, described charging aperture
On be also configured with feed lid；
Rotary drying drum, the other end of described charging slideway tilts to be connected with described rotary furnace drying dry cylinder one end, ensure that wood
Ear is rapidly introduced in described rotary drier；
Blower fan heater, it is arranged in the air channel of described rotary drying drum bottom, hot blast can be sent into described Rotary drying
In cylinder, the food in cylinder is dried；
Discharge belt, its one end is connected with the discharging opening of described rotary drying drum, and the other end is connected with described transporter, energy
Enough the Auricularia in described rotary furnace drying pot is delivered on described transporter.
3. the double section drying device of Auricularia according to claim 2 is it is characterised in that described transporter includes:
Baffle plate, it is arranged on the both sides of transporter；
Backboard, it is arranged on described transporter one end near described discharge belt；
Wherein, described transporter is provided with rubber bumps, prevents Auricularia from top landing to lower section.
4. the double section drying devices of Auricularia according to claim 3 are it is characterised in that described mechanism for sorting is double-decker,
Including:
Vibrating screen panel, it is arranged on the upper strata of described mechanism for sorting, and both sides are vertically installed with overhead gage, is prevented from Auricularia and falls
Fall in the left and right sides；
Sorting conveyer belt, it is arranged on the lower floor of described mechanism for sorting, and both sides are provided with lower baffle plate, described lower baffle plate with described
There is between sorting conveyer belt certain angle of inclination；
Multiple springs, it is arranged on the lower end of described vibrating screen panel, can play cushioning effect when described mechanism for sorting shakes；
Wherein, described vibrating screen panel is adjustable screen cloth, can select different size of grid.
5. the double section drying device of Auricularia according to claim 4 is it is characterised in that described second segment drying unit also wraps
Include:
Thermal-insulation baffle plate, described casing is divided into upper and lower both sides by it, can completely cut off the temperature between upper and lower two-layer；Wherein upper and lower two-layer
It is respectively arranged with Auricularia pallet, the different size of Auricularia that sorting can be come is dried respectively；
Sliding way, it is arranged on the top of box back surface, and connects with casing upper strata, can be by the wood of described vibrating screen panel transmission
Ear imports in overstory earpiece disk；
Glide path, it is arranged on the bottom of box back surface, and lower floor connects with casing, can pass over described sorting conveyer belt
Auricularia import in understorey earpiece disk, carry out Auricularia drying；
Air door, it is arranged on the side of described casing, connects with air channel, by damper be sized to adjust box house
Drying temperature.
6. the double section drying device of Auricularia according to claim 5 is it is characterised in that described casing front is additionally provided with and has
It is provided with thermometer on the sliding door of observation window, and described observation window, the temperature of upper and lower drying chamber can be seen by observation window.
7. the double section drying device of Auricularia according to claim 5 is it is characterised in that described air channel lower end is connected with water storage
Box, can collect the globule formed in air channel.
8. a kind of double section drying control method of Auricularia is it is characterised in that comprise the following steps:
Step one, according to the sampling period, measure the parameter of second segment drying unit by sensor, comprising: internal temperature t, wind
Fan delivery q, Auricularia weight m, air door opening amount s, interior humidity l；
Step 2, successively above-mentioned parameter is normalized, sets up the input layer vector x={ x of three layers of bp neutral net1,x2,
x3,x4,x5, wherein, x1For internal temperature coefficient, x2For fan delivery coefficient, x3For Auricularia weight coefficient, x4For air door opening amount
Coefficient, x5For interior humidity coefficient；
Step 3, described input layer DUAL PROBLEMS OF VECTOR MAPPING to intermediate layer, described intermediate layer vector y={ y1,y2,…,yb}；B is intermediate layer
Node number, meetsWherein a is input layer number, and c is output layer node number；
Step 4, obtain output layer vector o={ o1,o2, wherein o1For the internal temperature adjustment factor of second segment drying unit, o2
For fan delivery adjustment factor；
Step 5, the internal temperature controlling second segment drying unit, fan delivery, make
Wherein,Wind not Wei i-th this sampling period output layer parameter, tmaxThe internal maximum temperature of second segment drying unit,
qmaxFor the maximum quantity of wind of blower fan, t(i+1)For the internal temperature of second segment drying unit during i+1 sampling period, q(i+1)For
Fan delivery during the i+1 sampling period；
Step 6, according to the sampled signal in the i ＆ lt cycle, judge running status during i+1 time cycle, as output o1=0,
o2When=1, represent drying baker normal operation；Work as o1=1, o2When=0, represent that drying baker interior temperature spends height, work as o1=1, o2=1
When, represent that drying baker endogenous wind fan delivery is excessive.
9. the double section drying control method of Auricularia according to claim 8 is it is characterised in that carry out normalizing in described step 2
Change formula beWherein,The |input paramete processing for normalization, xjFor measurement parameter t, q, m, s, l,
J=1,2,3,4,5；xj max、xj minIt is respectively the greatest measurement in corresponding measurement parameter and minimum measured value, using s type letter
Number.
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