CN106956904B - A kind of multi-functional coal conveying device and method - Google Patents
A kind of multi-functional coal conveying device and method Download PDFInfo
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- CN106956904B CN106956904B CN201710132200.6A CN201710132200A CN106956904B CN 106956904 B CN106956904 B CN 106956904B CN 201710132200 A CN201710132200 A CN 201710132200A CN 106956904 B CN106956904 B CN 106956904B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G37/00—Combinations of mechanical conveyors of the same kind, or of different kinds, of interest apart from their application in particular machines or use in particular manufacturing processes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G2201/00—Indexing codes relating to handling devices, e.g. conveyors, characterised by the type of product or load being conveyed or handled
- B65G2201/04—Bulk
- B65G2201/045—Sand, soil and mineral ore
Abstract
A kind of multi-functional coal conveying device, including bearing plate, the bottom surface of the bearing plate is equipped with support member, and bearing plate upper surface side, which has, carries out coal broken crushing device, and there is the grinding device for grinding broken coal grain in the bearing plate upper surface other side.The configuration of the present invention is simple, it is novel in design, it is able to carry out broken, grinding, transport and dries in the conveying device of a body function.
Description
Technical field
The invention belongs to technical field of coal mine, and in particular to a kind of multi-functional coal conveying device.
Background technique
Coal is that archaeophyte is imbedded in underground and experienced complicated biochemistry and physicochemical change and gradually forms
Solid combustible mineral.Coal is to be distributed most wide fossil energy resource in the world, and the gold of black is described as by people, industrial
Grain, one of the main energy sources that human world uses since it was 18th century.
In recent years, process of industrialization speed in China's is accelerated, and increases to the demand of coal.Due to the raw coal body just produced
Product is big, shape is uneven, there are many inconvenient in transport and use process, therefore generally requires and is transported again after crushing
It is defeated.Currently, existing coal grinding device low efficiency, crushing are not thorough, it is difficult to adapt to market needs.
The coal excavated from underground is all moister, and coal contains Free water major part all 10% or more, and what is contained is interior
In water also 10% or so, so coal will also evaporate 20% or so moisture in combustion, it is greatly lowered in this way
The calorific value of coal.Therefore, it is necessary to which it is above-mentioned for solving the problems, such as to research and develop a kind of multi-functional coal conveying device.
Summary of the invention
It is insufficient according to prior art, a kind of novel design is provided, broken, grinding, transport and drying function are able to carry out
Conveying device.
The present invention is realized by following technical scheme:
A kind of multi-functional coal conveying device, including bearing plate, the bottom surface of the bearing plate is equipped with support member, described
Bearing plate upper surface side, which has, carries out coal broken crushing device, and the bearing plate upper surface other side has one will be crushed
The grinding device that is ground of coal grain.
Preferably, the crushing device includes a holding shell, and it is solid that the two sides of the holding shell respectively pass through one piece of support plate
It is scheduled on bearing plate, the upper end of holding shell is equipped with feeding inlet I, and the lower end of holding shell is equipped with discharge port I, is equipped with brokenly in holding shell
Broken component.
Preferably, the crusher members include the breaker roll that two outer surfaces are evenly arranged with spine block, described broken
Broken roller is snugly mounted on broken shaft, and the both ends of the broken shaft are rotatably supported on holding shell by bearing, and two
Transmission rotation is carried out by the gear of two broken shaft one end that are meshed and are respectively and fixedly installed between a broken shaft；It is accommodating
One motor II is installed, the output shaft of the motor II passes through belt II and any one broken shaft on the bearing plate below shell
One end connection.
Preferably, the grinding device include a cabinet, the cabinet left upper end and be located at discharge port I below be equipped with
Feeding inlet II, the bottom righthand side of cabinet are equipped with discharge port II, are equipped with grinding component in cabinet.
Preferably, the grinding component includes the mixing roll for having spiral salient on two radial circumference faces,
The mixing roll is snugly mounted on grinding shaft, and the both ends of the grinding shaft pass through bearing rotational support
On cabinet, the right end of two grinding shafts is extended to outside cabinet and a belt pulley is respectively fixedly mounted in end, and two belt pulleys are logical
It crosses a root skin band I and carries out transmission rotation；One motor I, the output of the motor I are installed on the bearing plate below holding shell
Axis is connect with one end of any one grinding shaft.
Preferably, the support member is four supporting legs or lifting platform；The lifting platform includes by the folding of multiple X-types
The folding liftable frame of superimposed composition, it is respectively left-handed spiral shell that the both ends of the folding stand of any one, which are respectively arranged with mutual corresponding nut,
Line nut and right-handed thread nut intert a lead screw, set on the lead screw between left-hand nut and right-handed thread nut
There is the left hand thread to match with left-hand nut, one end of the right-handed thread to match with right-handed thread nut, the lead screw is solid
Surely handle is connected, four rolling is installed in folding liftable frame bottom.
It preferably, further include the conveying device for conveying coal dust；The conveying device includes bracket, the bracket
Both ends one roller is installed, chain conveyer between the roller on right side and the motor III being fixed on bracket, between two rollers
It is conveyed by transmission belt, uniform intervals are equipped with multiple carrying rollers on the bracket between two rollers；Pacify on the right side of bracket
Equipped with the drying unit dried to the coal dust in transmission belt, it is equipped on the bracket between drying unit and grinding device
One, across the N-shaped scraper plate above transmission belt, is equipped on the bracket between N-shaped scraper plate and drying unit and passes for testing
The humidity sensor I of the defeated coal dust dry and wet degree taken.
Preferably, the drying unit further includes one across above transmission belt and being fixed on the pedestal on bracket,
It is provided with the incubator that a bottom surface is opening face on the pedestal, multiple heating light bulbs are installed in the incubator；Also wrap
Include a controller, the humidity sensor I is connected by converter with the input terminal of controller, the controller it is defeated
Outlet is connected by D/A converter with multiple heating light bulbs.
Preferably, one coal dust dry and wet degree for testing in transmission belt is installed in the output end of drying unit
Humidity sensor II, the support portion in the N-shaped scraper plate are oil cylinder, pass through the flexible realization N-shaped scraper plate of oil cylinder and transmission belt
Distance is arranged at intervals with multiple protrusions on the plate in the N-shaped scraper plate opposite with transmission belt；
The humidity sensor II is connected by converter with the input terminal of controller；The output end of the controller
It is connected by D/A converter with oil cylinder.
A kind of multi-functional coal delivery method, including device described in claim 1, method includes the following steps:
Step 1: coal is crushed by crushing device；
Step 2: broken coal grain is ground by grinding device；
Step 3: the coal dust after grinding is conveyed by conveying device；
Step 4: the drying unit dried to moist coal dust is provided in conveying device；
Step 5: the coal dust moisture signal of acquisition is passed to controller by humidity sensor I, and controller receives right after signal
Oil cylinder and multiple heating light bulbs are adjusted；
Stretching for controlling the distance between N-shaped scraper plate and transmission belt for oil cylinder, realizes thickness of the coal dust in transmission belt；
The switch of multiple heating light bulbs is for controlling the temperature in incubator；
Step 6: humidity sensor II is used to acquire the moist information of coal dust after drying；
It is right after controller reception signal to controller sending signal if the moist information of acquisition is not within the predefined range
Oil cylinder and multiple heating light bulbs are further adjusted.
The invention has the advantages that:
It completes only just to be able to drive two breaker rolls with a motor II by the design of gears being meshed and transport in opposite directions
It is dynamic, i.e., so that whole device structure simply reduces the cost of whole device again；
It is driven by the rotation of motor I and the transmission of belt I, so that two grinding shafts are ground in the same direction, is greatly mentioned
High working efficiency also extends the service life of mixing roll so that break up coal charcoal epigranular, crushing efficiency improve；
There is lifting platform under bearing plate, the height of discharge port II can be adjusted according to the height for loading compartment, to incite somebody to action
Coal dust is encased in compartment；
It is provided with humidity sensor I, oil cylinder and multiple heating light bulbs, can be heated according to the moist degree of coal
The switch of light bulb, for controlling the temperature of incubator and further carrying out according to the moist degree of coal N-shaped scraper plate and transmission
The distance between band, for controlling thickness of the coal in transmission belt；
It is provided with humidity sensor II, the wetness for detecting output coal dust can when the coal dust of output is unqualified
Detection signal is issued to controller, controller is in time further adjusted oil cylinder and multiple heating light bulbs；
There are multiple protrusions on N-shaped scraper plate, enables to coal that similar wavy surface is presented in transmission belt, when wavy surface
When coal passes through from incubator, drying time can be shortened.
Detailed description of the invention
Fig. 1 is structure of the invention cross-sectional view；
Fig. 2 is crushing device and grinding device structural schematic diagram；
Fig. 3 is crushing device structural schematic diagram；
Fig. 4 is grinding device side view；
Fig. 5 is N-shaped blade structure schematic diagram；
Fig. 6 is drying assembling structure schematic diagram；
Fig. 7 is control principle block diagram of the present invention；
Fig. 8 is lifting platform structural schematic diagram；
Fig. 9 is lead screw and nut structure diagram.
1-bearing plate, 11-supporting legs, 2-crushing devices, 21-holding shells, 22-feeding inlets I, 23-discharge ports I,
24-support plates, 25-breaker rolls, 26-broken shafts, 27-gears, 28-motors II, 29-belts II, 3-grinding devices,
31-cabinets, 32-feeding inlets II, 33-discharge ports II, 34-belts I, 35-mixing rolls, 36-grinding shafts, 37-belts
Wheel, 38-motors I, 4-conveying devices, 41-brackets, 42-rollers, 43-motors III, 44-carrying rollers, 45-transmission belts,
46-N-shaped scraper plates, 46a-support portion, 46b-plate, 46c-protrusion, 5-drying units, 51-pedestals, 52-incubators,
53-heating light bulbs, 54-humidity sensors I, 55-humidity sensors II, 6-controllers, 61-62-DA of converter turn
Parallel operation,
7-lifting platforms, 71-folding liftable framves, 72-left-hand nuts, 73-right-handed thread nuts, 74-lead screws,
75-left hand threads, 76-right-handed threads, 77-handles, 78-idler wheels.
Specific embodiment
Below in conjunction with shown in attached drawing 1 to attached drawing 9, by specific embodiment, the present invention is further illustrated.
Embodiment one:
A kind of multi-functional coal conveying device, including bearing plate 1, the bottom surface of bearing plate 1 are equipped with support member, bearing plate
1 upper surface side, which has, carries out coal broken crushing device 2, and there is the coal grain that will be crushed in the 1 upper surface other side of bearing plate
The grinding device 3 ground.
Crushing device 2 includes a holding shell 21, and the two sides of the holding shell 21, which respectively pass through one piece of support plate 24 and are fixed on, holds
On weight plate 1, the upper end of holding shell 21 is equipped with feeding inlet I 22, and the lower end of holding shell 21 is equipped with discharge port I 23, peace in holding shell 21
Equipped with crusher members.
Crusher members include the breaker roll 25 that two outer surfaces are evenly arranged with spine block, and breaker roll 25 is with tight fit side
Formula is mounted on broken shaft 26, and the both ends of broken shaft 26 are rotatably supported on holding shell 21 by bearing, two broken shafts 26 it
Between transmission rotation carried out by the gear 27 of two 26 one end of broken shaft that are meshed and are respectively and fixedly installed to；Under holding shell 21
One motor II 28 is installed, the output shaft of motor II 28 passes through belt II 29 and any one broken shaft on the bearing plate 1 of side
One end connection.
Grinding device 3 include a cabinet 31, the cabinet 31 left upper end and be located at discharge port I 23 below be equipped with feeding inlet
II 32, the bottom righthand side of cabinet 31 is equipped with discharge port II 33, is equipped with grinding component in cabinet 31.
Grinding component includes the mixing roll 35 for having spiral salient on two radial circumference faces, and mixing roll 35 is snugly
It is mounted on grinding shaft 36, the both ends of grinding shaft 36 are rotatably supported on cabinet 31 by bearing, the right end of two grinding shafts 36
It extends to outside cabinet 31 and a belt pulley 37 is respectively fixedly mounted in end, two belt pulleys 37 are passed by a root skin band I 34
Defeated rotation；One motor I 38, the output shaft of motor I 38 and any one grinding are installed on the bearing plate 1 below holding shell 21
One end of axis connects.
Support member is four supporting legs 11 or lifting platform 7；Lifting platform 7 includes the folding being made of the folding stand of multiple X-types
Folded crane 71, it is respectively 72 He of left-hand nut that the both ends of the folding stand of any one, which are respectively arranged with mutual corresponding nut,
Right-handed thread nut 73, interts a lead screw 74 between left-hand nut 72 and right-handed thread nut 73, lead screw 74 is equipped with
The left hand thread 75 to match with left-hand nut 72, the right-handed thread 76 to match with right-handed thread nut 73, the one of lead screw 74
End is fixedly connected with handle 77, four rolling 78 is equipped in 71 bottom of folding liftable frame, by the rotation of handle 77 in lead screw 74
Drive under, realize folding liftable frame 71 lifting.
Embodiment two:
It on the basis of example 1, further include the conveying device 4 for conveying coal dust；Conveying device 4 includes bracket
41, the both ends of bracket 41 are equipped with a roller 42, and chain passes between the roller on right side and the motor III 43 being fixed on bracket 41
It is dynamic, it is conveyed between two rollers 42 by transmission belt 45,
Uniform intervals are equipped with multiple carrying rollers 44 on bracket 41 between two rollers 42；It is equipped on the right side of bracket 41
To the drying unit 5 that the coal dust in transmission belt 45 is dried, pacify on the bracket 41 between drying unit 5 and grinding device 3
Equipped with one across the N-shaped scraper plate 46 above transmission belt 45, pacify on the bracket 41 between N-shaped scraper plate 46 and drying unit 5
Humidity sensor I 54 equipped with the coal dust dry and wet degree for testing in transmission belt 45.
Drying unit 5 further includes one across above transmission belt and the pedestal 51 that is fixed on bracket 41, on pedestal 51
It is provided with the incubator 52 that a bottom surface is opening face, multiple heating light bulbs 53 are installed in incubator 52.It further include a control
Device 6 processed, humidity sensor I 54 are connected by converter 61 with the input terminal of controller 6, and the output end of controller 6 passes through
D/A converter 62 is connected with multiple heating light bulbs 53.
Controller 6 uses AT89S51 type single-chip microcontroller.This series monolithic is low-power consumption, has the online class programming of 4KB
The single-chip microcontroller of flash storage, the instruction system and pin compatibility of it and general 80C51 series monolithic.Flash in piece can
Permission reprograms online, it is possible to use programming non-volatile memory, it integrates universal cpu and online programmable Flash
On a single die, powerful, using flexible and the microcontroller with superior performance cost performance are formd.Converter 61
Using ADC0809 type converter.D/A converter 62 uses DAC0832 type converter.
Embodiment three:
On the basis of example 2, one is equipped with for testing in transmission belt 45 in the output end of drying unit 5
The humidity sensor II 55 of coal dust dry and wet degree, the support portion 46a in N-shaped scraper plate 46 is oil cylinder, passes through the flexible realization n of oil cylinder
Type scraper plate 46 is arranged at intervals with multiple at a distance from transmission belt 45 on the plate 46b in the N-shaped scraper plate 46 opposite with transmission belt 45
Raised 46c；Humidity sensor II 55 is connected by converter 61 with the input terminal of controller 6；The output end of controller 6 is logical
D/A converter 62 is crossed to be connected with oil cylinder.
The course of work:
Coal cinder is unloaded by feed device and is fallen in feeding inlet 22 I, motor II 28 and motor I 38 are started, motor II 28
To drive two breaker rolls 25 to be rotated in opposite directions, two breaker rolls 25 slide broken coal by discharge port 23 I for rotation
Into cabinet 31, the rotation of motor I 38 is to drive two mixing rolls 35 to be rotated in the same direction, and two mixing rolls 35 are by crushing
Coal is slipped in transmission belt 45 by discharge port II 33,
The coal dust moisture signal of acquisition is passed to controller 6 by humidity sensor I 54, and controller 6 receives after signal to oil
Cylinder and multiple heating light bulbs 53 are adjusted；Oil cylinder stretches for controlling the distance between N-shaped scraper plate 46 and transmission belt 45, real
Existing thickness of the coal dust in transmission belt 45；Temperature of the switch of multiple heating light bulbs 53 for controlling in incubator 52；Work as coal dust
Water content be 1%-5%, the plate 46b in N-shaped scraper plate 46 and transmission belt 45 are apart from for 4-5cm and heating light bulbs at this time
53 is bright；When the water content of coal dust is 5%-10%, at this time the plate 46b in N-shaped scraper plate 46 and transmission belt 45 apart from for 3-4cm and
Two heating light bulbs 53 are bright；When the water content of coal dust is greater than 10%, the plate 46b in N-shaped scraper plate 46 and 45 distance of transmission belt at this time
It is bright for 2-3cm and three heating light bulbs 53；Humidity sensor II 55 is used to acquire the moist information of coal dust after drying；If adopted
The moist information of collection not within the predefined range, to controller 6 issue signal, controller 6 receive signal after to oil cylinder and it is multiple plus
Thermolamp bubble 53 is further adjusted.The qualified range that moist information is acquired by setting humidity sensor II 55, is used for
Transfer out the water content coal dust with meet demand.
Whole process is easy to operate, faster.
It completes only just to be able to drive two breaker rolls 25 with a motor II 28 by the design of gear 27 being meshed
It moves toward one another, i.e., so that whole device structure simply reduces the cost of whole device again；
It is driven by the rotation of motor I 38 and the transmission of belt I 34, so that two mixing rolls 35 are ground in the same direction, greatly
Big improves work efficiency, so that break up coal charcoal epigranular, crushing efficiency improve, also extend mixing roll uses the longevity
Life；
It is provided with humidity sensor I 54, oil cylinder and multiple heating light bulbs 53, can be carried out according to the moist degree of coal
The switch for heating light bulb 53, for controlling the temperature of incubator 52 and further being scraped according to the moist degree of coal to carry out N-shaped
The distance between plate 46 and transmission belt 45, for controlling thickness of the coal in transmission belt；
It is provided with humidity sensor II 55, for detecting the wetness of output coal dust, when the coal dust of output is unqualified, energy
Enough to issue detection signal to controller 6, controller 6 is in time further adjusted oil cylinder and multiple heating light bulbs 53.
Above institute's art is only one embodiment of the present invention, it should be noted that for those skilled in the art,
Without departing from the principles of the invention, several modification and improvement can also be made, these modification and improvement also should be regarded as this hair
Bright protection scope.
Claims (5)
1. the bottom surface of a kind of multi-functional coal conveying device, including bearing plate (1), the bearing plate (1) is equipped with support member,
Coal is carried out broken crushing device (2) it is characterized by: bearing plate (1) the upper surface side has, the bearing plate (1)
There is the grinding device (3) for grinding broken coal grain in the upper surface other side；
It further include the conveying device (4) for conveying coal dust；The conveying device (4) includes bracket (41), the bracket
(41) both ends are equipped with roller (42), chain conveyer between the roller on right side and the motor III (43) being fixed on bracket (41),
It is conveyed between two rollers (42) by transmission belt (45),
Uniform intervals are equipped with multiple carrying rollers (44) on bracket (41) between two rollers (42)；
The drying unit (5) dried to the coal dust on transmission belt (45) is installed on the right side of bracket (41), is filled in drying
It sets and is equipped with one across the N-shaped scraper plate above transmission belt (45) on the bracket (41) between (5) and grinding device (3)
(46), the coal for testing on transmission belt (45) is installed on the bracket (41) between N-shaped scraper plate (46) and drying unit (5)
The humidity sensor I (54) of the wet degree of dried bean noodles；
The drying unit (5) further includes one across above transmission belt and the pedestal (51) that is fixed on bracket (41), institute
The incubator (52) for being provided with that a bottom surface is opening face on pedestal (51) is stated, multiple heating are installed in the incubator (52)
Light bulb (53)；
It further include a controller (6), the humidity sensor I (54) passes through the input of converter (61) and controller (6)
End is connected, and the output end of the controller (6) is connected by D/A converter (62) with multiple heating light bulbs (53)；
It is passed in the humidity that the output end of drying unit (5) is equipped with a coal dust dry and wet degree for testing on transmission belt (45)
Sensor II (55), the support portion (46a) in the N-shaped scraper plate (46) is oil cylinder, passes through the extension and contraction control N-shaped scraper plate (46) of oil cylinder
At a distance from transmission belt (45), it is arranged at intervals on the plate (46b) with transmission belt (45) in opposite N-shaped scraper plate (46) multiple
Raised (46c)；
The humidity sensor II (55) is connected by converter (61) with the input terminal of controller (6)；
The output end of the controller (6) is connected by D/A converter (62) with oil cylinder；
The grinding device (3) include a cabinet (31), the cabinet (31) left upper end and be located at discharge port I (23) below set
There is feeding inlet II (32), the bottom righthand side of cabinet (31) is equipped with discharge port II (33), is equipped with grinding component in cabinet (31)；
The grinding component includes the mixing roll (35) for having spiral salient on two radial circumference faces, and the mixing roll (35) is with tight
Fit system is mounted on grinding shaft (36), and the both ends of the grinding shaft (36) are rotatably supported on cabinet (31) by bearing,
The right end of two grinding shafts (36) extends to cabinet (31) outside and a belt pulley (37), two belt pulleys are respectively fixedly mounted in end
(37) transmission rotation is carried out by a root skin band I (34)；A motor is installed on bearing plate (1) below holding shell (21)
The output shaft of I (38), the motor I (38) is connect with one end of any one grinding shaft.
2. a kind of multi-functional coal conveying device according to claim 1, it is characterised in that: crushing device (2) packet
A holding shell (21) is included, the two sides of the holding shell (21) respectively pass through one piece of support plate (24) and are fixed on bearing plate (1), accommodate
The upper end of shell (21) is equipped with feeding inlet I (22), and the lower end of holding shell (21) is equipped with discharge port I (23), installation in holding shell (21)
There are crusher members.
3. a kind of multi-functional coal conveying device according to claim 2, it is characterised in that: the crusher members include two
A outer surface is evenly arranged with the breaker roll (25) of spine block, and the breaker roll (25) is snugly mounted on broken shaft
(26) on, the both ends of the broken shaft (26) are rotatably supported on holding shell (21) by bearing, between two broken shafts (26)
Transmission rotation is carried out by the gear (27) of two broken shaft (26) one end that are meshed and are respectively and fixedly installed to；
One motor II (28), the output shaft of the motor II (28) are installed on the bearing plate (1) below holding shell (21)
It is connect by belt II (29) with one end of any one broken shaft.
4. a kind of multi-functional coal conveying device according to any one of claims 1 to 3, it is characterised in that: the support
Component is four supporting legs (11) or lifting platform (7)；
The lifting platform (7) includes the folding liftable frame (71) being made of the folding stand of multiple X-types, and the two of the folding stand of any one
It is respectively left-hand nut (72) and right-handed thread nut (73), left hand thread spiral shell that end, which is respectively arranged with mutual corresponding nut,
Intert a lead screw (74) between female (72) and right-handed thread nut (73), the lead screw (74) is equipped with and left-hand nut
(72) left hand thread (75) to match and the right-handed thread (76) to match with right-handed thread nut (73), the one of the lead screw (74)
End is fixedly connected with handle (77), is equipped with four rolling (78) in folding liftable frame (71) bottom.
5. a kind of multi-functional coal delivery method, including device described in claim 1, which is characterized in that this method include with
Lower step:
Step 1: coal is crushed by crushing device (2)；
Step 2: broken coal grain is ground by grinding device (3)；
Step 3: the coal dust after grinding is conveyed by conveying device (4)；
Step 4: the drying unit (5) dried to moist coal dust is provided in conveying device；
Step 5: humidity sensor I (54) passes to the coal dust moisture signal of acquisition controller (6), and controller (6) receives letter
Oil cylinder and multiple heating light bulbs (53) are adjusted after number；
Stretching for controlling the distance between N-shaped scraper plate (46) and transmission belt (45) for oil cylinder, adjusts coal dust in transmission belt (45)
On thickness；
The switch of multiple heating light bulb (53) is used to control the temperature in incubator (52)；
Step 6: humidity sensor II (55) is used to acquire the moist information of coal dust after drying；
If the moist information of acquisition is not within the predefined range, humidity sensor II (55) issues signal, control to controller (6)
Device (6) is further adjusted oil cylinder and multiple heating light bulbs (53) after receiving signal.
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| CN201710132200.6A CN106956904B (en) | 2017-03-07 | 2017-03-07 | A kind of multi-functional coal conveying device and method |
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| CN201710132200.6A CN106956904B (en) | 2017-03-07 | 2017-03-07 | A kind of multi-functional coal conveying device and method |
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