CN115628590B - Biomass straw drying device and application method thereof - Google Patents
Biomass straw drying device and application method thereof Download PDFInfo
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- CN115628590B CN115628590B CN202211302242.7A CN202211302242A CN115628590B CN 115628590 B CN115628590 B CN 115628590B CN 202211302242 A CN202211302242 A CN 202211302242A CN 115628590 B CN115628590 B CN 115628590B
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- 239000010902 straw Substances 0.000 title claims abstract description 139
- 238000001035 drying Methods 0.000 title claims abstract description 51
- 239000002028 Biomass Substances 0.000 title claims abstract description 19
- 238000000034 method Methods 0.000 title claims abstract description 13
- 238000005520 cutting process Methods 0.000 claims abstract description 38
- 238000010438 heat treatment Methods 0.000 claims abstract description 38
- 238000003756 stirring Methods 0.000 claims description 80
- 229910000831 Steel Inorganic materials 0.000 claims description 7
- 239000010959 steel Substances 0.000 claims description 7
- 239000012634 fragment Substances 0.000 claims description 6
- 239000012141 concentrate Substances 0.000 claims description 3
- 238000005485 electric heating Methods 0.000 claims description 3
- 238000009941 weaving Methods 0.000 claims description 3
- 239000003337 fertilizer Substances 0.000 abstract description 6
- 238000009826 distribution Methods 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 239000000463 material Substances 0.000 description 5
- 239000002994 raw material Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 235000011389 fruit/vegetable juice Nutrition 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 238000013019 agitation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 238000011002 quantification Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B1/00—Preliminary treatment of solid materials or objects to facilitate drying, e.g. mixing or backmixing the materials to be dried with predominantly dry solids
- F26B1/005—Preliminary treatment of solid materials or objects to facilitate drying, e.g. mixing or backmixing the materials to be dried with predominantly dry solids by means of disintegrating, e.g. crushing, shredding, milling the materials to be dried
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01F—PROCESSING OF HARVESTED PRODUCE; HAY OR STRAW PRESSES; DEVICES FOR STORING AGRICULTURAL OR HORTICULTURAL PRODUCE
- A01F29/00—Cutting apparatus specially adapted for cutting hay, straw or the like
- A01F29/08—Cutting apparatus specially adapted for cutting hay, straw or the like having reciprocating knives
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01F—PROCESSING OF HARVESTED PRODUCE; HAY OR STRAW PRESSES; DEVICES FOR STORING AGRICULTURAL OR HORTICULTURAL PRODUCE
- A01F29/00—Cutting apparatus specially adapted for cutting hay, straw or the like
- A01F29/09—Details
-
- 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
- F26B11/18—Machines or apparatus for drying solid materials or objects with movement which is non-progressive on or in moving dishes, trays, pans, or other mainly-open receptacles
- F26B11/20—Machines or apparatus for drying solid materials or objects with movement which is non-progressive on or in moving dishes, trays, pans, or other mainly-open receptacles with stirring devices which are held stationary
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B23/00—Heating arrangements
-
- 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
- F26B25/001—Handling, e.g. loading or unloading arrangements
- F26B25/002—Handling, e.g. loading or unloading arrangements for bulk goods
-
- 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
- F26B25/04—Agitating, stirring, or scraping devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B2200/00—Drying processes and machines for solid materials characterised by the specific requirements of the drying good
- F26B2200/02—Biomass, e.g. waste vegetative matter, straw
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Sustainable Development (AREA)
- Drying Of Solid Materials (AREA)
Abstract
The invention relates to a biomass straw drying device and a using method thereof, wherein the drying device comprises a first conveyor belt, a cutting device for cutting off straws and a second conveyor belt which are sequentially arranged, a height limiting device is further arranged above the second conveyor belt, a collecting pipe is further arranged below the tail end of the second conveyor belt, and a quantitative heating device is arranged below the collecting pipe. According to the invention, the first conveyor belt is used for conveying the straws to the cutting device to be cut into segments, then conveying the cut straws to the second conveyor belt, under the action of the height limiting device, a plurality of straws passing through the height limiting device are piled up to form piled blocks with the same height, and the data of the conveying speed of the second conveyor belt are added, so that the amount of the straws in unit time can be calculated, the quantitative straw is quantified in the conveying process, after a period of time, the quantitative straws are collected in the collecting pipe, and then the quantitative straws are put into the heating device for quantitative drying, so that timely distribution is realized, the production of fertilizer is ensured, and the drying efficiency is improved.
Description
Technical Field
The invention relates to the field of biomass, in particular to the field of biomass drying, and specifically relates to a biomass straw drying device and a using method thereof.
Background
Straw is the main raw material for making biomass power generation, and is recycled at present, firstly juice in the straw is squeezed to dry, after passing through a squeezing device, the straw is in a split strip shape, then the straw is soaked in water for a period of time, the juice in the straw completely enters the water, and then the straw is squeezed again, so that the juice in the straw is fully obtained, the straw is required to be dried, and the dried straw is added into the raw material according to a certain amount to make fertilizer.
At present, a traditional straw drying mode is used for drying in a concentrated manner, and then the dried materials are quantitatively distributed, however, when the fertilizer is manufactured, the raw materials are manufactured in real time, and each time the straw is subjected to concentrated drying and redistribution, the raw materials are caused to wait; and the mode of concentrated drying is that the straws are in a strip shape, so that the straws are not easy to be sufficiently dried by using the traditional dryer.
Disclosure of Invention
Aiming at the defects of the prior art, the biomass straw drying device provided by the invention can be used for timely and effectively carrying out quantitative drying and timely distribution, so that the fertilizer production is ensured and the drying efficiency is improved.
The biomass straw drying device comprises a bracket, a first conveyor belt, a cutting device for cutting straw and a second conveyor belt, wherein the first conveyor belt, the cutting device for cutting straw and the second conveyor belt are sequentially arranged, a height limiting device is further arranged above the second conveyor belt, a collecting pipe is further arranged below the tail end of the second conveyor belt, a valve is arranged in the collecting pipe, and a quantitative heating device is arranged below the collecting pipe.
When the straw quantitative distribution device is used, the first conveyor belt conveys straws to the cutting device to be cut into fragments, the straws are conveyed to the second conveyor belt, under the action of the height limiting device, a plurality of straws passing through the height limiting device are piled up into piled blocks with the same height, and the data of the conveying speed of the second conveyor belt are added, so that the amount of the straws in unit time can be deduced, quantitative straw is realized in the conveying process, after a period of time, quantitative straws are collected in the collecting pipe, then the quantitative straws are put into the heating device for quantitative drying, timely distribution is realized, and the fertilizer production and the drying efficiency are ensured.
Preferably, the cutting device comprises a cutting plate positioned below the straw, a cutter positioned above the straw is arranged on the support, a cutting groove matched with the cutter is formed in the cutting plate, a first supporting plate extending towards the first conveying belt is arranged on the cutting plate, and a second supporting plate extending towards the second conveying belt is further arranged on the cutting plate.
The preferred scheme realizes cutting of the straw through the arrangement of the grooving and the cutter.
Preferably, the height limiting device comprises a limiting plate positioned above the second conveyor belt and an electric push rod for driving the limiting plate to move downwards, wherein the electric push rod is fixedly connected to the support, and the limiting plate is vertically connected to the support in a sliding manner.
This preferred scheme is through electric putter's setting, realizes the regulation of the distance between limiting plate and the second conveyer belt to realize the setting to the spacing height of straw.
Preferably, the second conveyor belt is provided with two baffles which are oppositely arranged and extend along the conveying direction, the straw is positioned between the two baffles, and the width of the limiting plate is adapted to the distance between the two baffles.
According to the preferred scheme, through the arrangement of the baffle, a rectangular space for containing straws is formed on the top surfaces of the baffle and the second transmission belt, so that the amount of straws in unit length can be better judged.
Preferably, the heating device comprises a rotary table positioned below the collecting cylinder, six discs which are uniformly distributed along the circumferential direction of the rotary table are arranged on the rotary table, one disc is positioned under the collecting pipe, an electric heating wire is arranged in the disc, a heating box is inserted into the disc, the heating box comprises a bottom plate and a baffle ring fixedly connected to the top surface of the bottom plate and closed in the circumferential direction, and the bottom plate is formed by weaving a plurality of criss-cross steel wires.
This preferred scheme disc set up, provide the heating source, through the setting of heating box, be convenient for block outside the straw falls the disc, through the setting of vertically and horizontally staggered's steel wire in the bottom plate, guarantee the heat conductivity of bottom plate, through the setting of carousel, be convenient for rotate each station with the disc on to realize straw evenly distributed, guarantee the stoving effect.
Preferably, a plurality of grooves are formed in the top surface of the disc, and the steel wires are woven into protrusions extending into the grooves. This preferred scheme is through protruding and recess's setting, when the straw enters into in protruding, the disc of being convenient for heats the straw from three directions to guarantee the stoving effect.
Preferably, the side of the turntable is further provided with three stirring devices distributed along the circumference of the turntable, the three stirring devices and the corresponding discs are located on the same radial direction of the turntable, each stirring device comprises a vertically extending support, a first screw rod which extends vertically is connected in the support in an axially connected mode, a first motor which drives the first screw rod to rotate is further arranged in the support, a first sliding block which slides vertically on the support is connected to the first screw rod in a threaded mode, the first sliding block extends along the axis of the disc in the radial direction, a second screw rod which extends along the extending direction of the first sliding block in the first sliding block is connected to the first sliding block in an axially connected mode, a second motor which drives the second screw rod to rotate is further arranged in the support, a second sliding block which slides on the first sliding block is connected to the second sliding block in a threaded mode, and a stirring plate is arranged below the second sliding block which extends vertically downwards, and a third motor which drives the stirring plate to rotate is further arranged in the second sliding block.
This preferred scheme is when using, through the setting of first lead screw and first motor, is convenient for adjust the high position of stirring board, through the setting of second lead screw and second motor, is convenient for adjust the position of stirring board and disc axis to be convenient for stir the pole and drive the even laying of straw on the bottom plate, be convenient for drive stirring board rotation through the setting of third motor.
Preferably, the three supports slide on the sliding rail, the sliding rail is closed along the circumferential direction of the disc, and the axis of the circle where the sliding rail is positioned is collinear with the axis of the disc.
This preferred scheme is convenient for to support position adjustment through the setting of slide rail to remove the transfer to the support.
Preferably, the limiting plate below is equipped with the width and is greater than the second conveyer belt and is located the collecting vat of second conveyer belt below, collecting vat tank bottom end width is less than the opening width, and the tank bottom of collecting vat extends to first conveyer belt and downward sloping, and collecting vat tank bottom still has offered the weeping hole that is close to first conveyer belt, and weeping hole below is equipped with the third conveyer belt to first conveyer belt direction conveying, and third conveyer belt conveying tail end is equipped with the elevator belt that promotes the straw to the second conveyer belt.
The arrangement of the third conveyor belt and the lifting belt is convenient for returning the straws falling from the second conveyor belt to the second conveyor belt.
The application method of the biomass straw drying device comprises the following steps:
a. The soaked and pressed straws are placed on a first conveyor belt in a strip shape, are conveyed by the first conveyor belt to enter a cutting plate, are cut into fragments under the cooperation of a cutter and a cutting groove, and are conveyed to a second conveyor belt;
b. The conveying speed of the second conveying belt is lower than that of the first conveying belt, so that straws are piled up on the second conveying belt, the height of the straws is increased, when the straws pass through the limiting plates, the excessive straws are blocked by the limiting plates, and therefore, part of the straws fall into the collecting tank through the baffle, and due to the inclined arrangement of the bottom of the collecting tank, the straws enter the third conveying belt along the bottom of the tank and enter the lifting belt and return to the second conveying belt again, and due to the fact that the height of the straws is limited, the amount of the straws falling into the collecting tank in unit time can be calculated by adding the data of the speed of the second conveying belt, and therefore, quantitative drying can be achieved;
c. After a certain period of time, collecting quantitative straws in a collecting cylinder, opening a valve, enabling the straws to fall into a heating box, enabling a turntable to rotate, enabling the heating box and a disc to rotate to a first drying station, namely below a first stirring plate, simultaneously driving a first motor to drive a first screw rod to rotate at the moment, thereby adjusting the height of a first sliding block, driving a second screw rod to rotate through a second motor, thereby adjusting the position of the second sliding block on the disc, namely adjusting the relative position of the stirring plate on the disc, enabling the axis of the disc to be positioned at 1/3 of the length of the stirring plate, enabling a certain gap to exist between the bottom end of the stirring plate and the bottom plate of the heating box, and driving a third motor to drive the stirring plate to rotate;
d. When the stirring plate is stirred, the second motor is driven to drive the second screw rod to rotate, the second stirring plate is driven to move in a direction away from the axis of the disc, and the rotation and the movement of the stirring plate are simultaneously carried out, so that the movement track of the stirring plate is a spiral line, the straws are uniformly paved on the bottom plate in the process of rotating the stirring plate, and the first motor is driven to drive the first sliding block to move upwards, namely the stirring plate is driven to move upwards, so that the stirring plate is moved to the upper part of the heating box;
e. At the moment, the rotary table rotates to drive the rotary table to move to a second drying station, namely a second stirring station, namely below the second stirring plate, and as the collecting cylinder concentrates the straws in a certain range, the straws are accumulated, and when the first stirring plate rotates, part of the straws are still accumulated in the range, the second stirring plate repeats the action of the first stirring plate, so that the straws in the range are uniformly paved on the bottom plate, and all the straws are uniformly separated;
f. At the moment, the rotary table rotates to drive the rotary table to move to a third drying station, namely a third stirring station, namely below the third stirring plate, and the movement track of the first stirring plate is repeated, so that all straws are further ensured to be uniformly separated;
g. After three drying stations, the heating box is taken out at the disassembling station, so that quantitative drying of the straw is completed, and then the new heating box is placed on the disc again at the feeding station.
The beneficial effects of the invention are as follows: the first conveyor belt is used for conveying the straws to the cutting device to be cut into fragments, then conveying the fragments to the second conveyor belt, enabling a plurality of straws passing through the height limiting device to be piled up blocks with the same height under the action of the height limiting device, and adding the data of the conveying speed of the second conveyor belt, so that the amount of the straws in unit time can be deduced, quantification of the straws in the conveying process is realized, after a period of time, the quantitative straws are collected in the collecting pipe, and then the quantitative straws are put into the heating device for quantitative drying, so that timely distribution is realized, fertilizer production is guaranteed, and drying efficiency is improved; according to the preferred scheme, through the arrangement of the protrusions and the grooves, when the straws enter the protrusions, the disc is convenient to heat the straws from three directions, so that the drying effect is ensured; through the setting of first lead screw and first motor, be convenient for adjust the high position of stirring board, through the setting of second lead screw and second motor, be convenient for adjust the position of stirring board and disc axis to be convenient for stir the pole and drive the even laying of straw on the bottom plate, be convenient for drive stirring board rotation through the setting of third motor.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic top view of a portion of a turntable;
FIG. 3 is a partial schematic front view of an agitation apparatus;
the figure shows:
1. The device comprises a first conveying belt, 2, a second conveying belt, 3, a cutting plate, 4, a cutter, 5, an electric push rod, 6, a limiting plate, 7, a baffle plate, 8, a collecting tank, 9, a third conveying belt, 10, a lifting belt, 11, a collecting pipe, 12, a baffle ring, 13, a disc, 14, a second outer ring, 15, a rotary disc, 16, a sliding rail, 17, a support, 18, an agitating plate, 19, a first sliding block, 20, a second sliding block, 21, a first lead screw, 22 and a second lead screw.
Detailed Description
In order to clearly illustrate the technical characteristics of the scheme, the scheme is explained below through a specific embodiment.
Referring to fig. 1-3, the biomass straw drying device comprises a bracket, a first conveyor belt 1, a straw cutting device and a second conveyor belt 2, wherein the first conveyor belt 1, the straw cutting device and the second conveyor belt 2 are sequentially arranged, a height limiting device is further arranged above the second conveyor belt 2, a collecting pipe 11 is further arranged below the tail end of the second conveyor belt 2, a valve is arranged in the collecting pipe 11, and a quantitative heating device is arranged below the collecting pipe 11.
The cutting device comprises a cutting board 3 positioned below the straw, a cutter 4 positioned above the straw is arranged on the support, a cutting groove matched with the cutter 4 is formed in the cutting board 3, a first supporting board extending towards the first conveying belt 1 is arranged on the cutting board 3, and a second supporting board extending towards the second conveying belt 2 is further arranged on the cutting board 3.
The height limiting device comprises a limiting plate 6 positioned above the second conveyor belt 2 and an electric push rod 5 for driving the limiting plate 6 to move downwards, wherein the electric push rod 5 is fixedly connected to the support, and the limiting plate 6 is vertically connected to the support in a sliding manner.
The second conveyor belt 2 is provided with two baffles 7 which are oppositely arranged and extend along the conveying direction, the straw is positioned between the two baffles 7, and the width of the limiting plate 6 is adapted to the distance between the two baffles 7.
The heating device comprises a rotary table 15 positioned below a collecting cylinder, a motor for driving the rotary table 15 to rotate is arranged on a support, six discs 13 which are uniformly distributed along the circumferential direction of the rotary table 15 are arranged on the rotary table 15, the six discs 13 are respectively six stations and are sequentially material receiving stations, three drying working positions are arranged, a material discharging station and a material feeding station, wherein the material receiving station is positioned under a collecting pipe 11, the axis of the collecting pipe 11 and the axis of the discs 13 are arranged in a collinear manner, and three drying stations are positioned in a box body which is internally provided with a pump body for absorbing steam.
The electric heating wire is arranged in the disc 13, the heating box is inserted on the disc 13, a first outer ring is fixedly connected to the outer circumferential surface of the heating box, a second outer ring 14 which is arranged corresponding to the first outer ring is arranged on the outer circumferential surface of the disc 13, a circumferential closed annular groove is formed in the second outer ring 14, a ring block inserted into the annular groove is fixedly connected to the first outer ring, and the ring block is inserted into the annular groove, so that the heating box is inserted into the disc 13.
The heating box comprises a bottom plate and a baffle ring 12 fixedly connected to the top surface of the bottom plate and circumferentially closed, the bottom plate is formed by weaving a plurality of criss-cross steel wires, a plurality of grooves are formed in the top surface of the disc 13, and the steel wires are woven to form protrusions extending into the grooves.
The side of the turntable 15 is also provided with three stirring devices which are circumferentially arranged along the turntable 15, the three stirring devices and the corresponding disk 13 are positioned on the same radial direction of the turntable 15, each stirring device comprises a vertically extending support 17, a first lead screw 21 which vertically extends is connected in the support 17, a first motor which drives the first lead screw 21 to rotate is further arranged in the support 17, a first slide block 19 which vertically slides on the support 17 is connected with the first lead screw 21 in a threaded manner, the first slide block 19 radially extends along the disk 13 to the axis of the disk 13, a second lead screw 22 which extends along the extending direction of the first slide block 19 is connected in the first slide block 19 in an axial manner, a second motor which drives the second lead screw 22 to rotate is further arranged in the support 17, a second slide block 20 which is connected with the first slide block 19 in a threaded manner is arranged below the second slide block 20 in a vertically downward extending manner, and a third motor which drives the stirring plate 18 to rotate is further arranged in the second slide block 20.
The three supports 17 slide on the sliding rail 16, the sliding rail 16 is closed along the circumference of the disc 13, and the axis of the circle where the sliding rail 16 is positioned is collinear with the axis of the disc 13.
The limiting plate 6 below is equipped with the width and is greater than second conveyer belt 2 and is located the collecting vat 8 of second conveyer belt 2 below, collecting vat 8 bottom width is less than the opening width, and the tank bottom of collecting vat 8 extends to first conveyer belt 1 and downward sloping, and the leaking hole that is close to first conveyer belt 1 has still been seted up to collecting vat 8 tank bottom, and leaking hole below is equipped with the third conveyer belt 9 to first conveyer belt 1 direction conveying, and third conveyer belt 9 conveying tail end is equipped with promotes the conveyer belt 10 on the second conveyer belt 2 with the straw.
The application method of the biomass straw drying device comprises the following steps:
a. The soaked and pressed straws are placed on a first conveyor belt 1 in a strip shape, are conveyed by the first conveyor belt 1 to enter a cutting plate 3, are cut into fragments under the cooperation of a cutter 4 and a grooving, and are conveyed to a second conveyor belt 2;
b. The conveying speed of the second conveying belt 2 is lower than that of the first conveying belt 1, so that the straws are piled up on the second conveying belt 2, the height of the straws is increased, when the straws pass through the limiting plate 6, the excessive straws are blocked by the limiting plate 6, and therefore, part of the straws fall into the collecting tank 8 through the baffle plate 7, and due to the inclined arrangement of the bottom of the collecting tank 8, the straws enter the third conveying belt 9 along the bottom of the tank and enter the lifting belt 10 and return to the second conveying belt 2 again, and due to the fact that the height of the straws is limited, the amount of the straws falling into the collecting tank 11 in unit time can be calculated by adding the data of the speed of the second conveying belt 2, and therefore, quantitative drying can be realized;
c. After a certain period of time, collecting quantitative straws in a collecting cylinder, opening a valve, enabling the straws to fall into a heating box, rotating a rotary disc 15, enabling the heating box and a disc 13 to rotate to a first drying station, namely below a first stirring plate 18, simultaneously driving a first motor to drive a first screw 21 to rotate, thereby adjusting the height of a first sliding block 19, driving a second screw 22 to rotate through a second motor, thereby adjusting the position of a second sliding block 20 on the disc 13, namely adjusting the relative position of the stirring plate 18 on the disc 13, enabling the axis of the disc 13 to be positioned at 1/3 of the length of the stirring plate 18, enabling a certain gap to exist between the bottom end of the stirring plate 18 and the bottom plate of the heating box, and then driving a third motor to drive the stirring plate 18 to rotate;
d. When the stirring plate 18 stirs, the second motor is driven to drive the second screw rod 22 to rotate, the second stirring plate 18 is driven to move in a direction away from the axis of the disc 13, and the rotation and the movement of the stirring plate 18 are simultaneously carried out, so that the movement track of the stirring plate 18 is a spiral line, the straws are uniformly paved on the bottom plate in the process of rotating the stirring plate 18, and simultaneously the first motor is driven to drive the first sliding block 19 to move upwards, namely the stirring plate 18 is driven to move upwards, so that the stirring plate 18 moves to the upper part of the heating box;
e. At this time, the rotary table 15 rotates to drive the disc 13 to move to a second drying station, namely a second stirring station, namely below the second stirring plate 18, and as the collecting cylinder concentrates the straws in a certain range, the straws are accumulated, and when the first stirring plate 18 rotates, part of the straws still accumulate in the range, so that the second stirring plate 18 repeats the action of the first stirring plate 18, so that the straws in the range are uniformly paved on the bottom plate, and all the straws are uniformly separated;
f. at this time, the turntable 15 rotates to drive the disc 13 to move to a third drying station, namely a third stirring station, namely below the third stirring plate 18, and the movement track of the first stirring plate 18 is repeated, so that all straws are further ensured to be uniformly separated;
g. after three drying stations, the heating box is taken out at the disassembling station, so that quantitative drying of the straw is completed, and then a new heating box is placed on the disc 13 again at the feeding station.
Of course, the above description is not limited to the above examples, and the technical features of the present invention that are not described may be implemented by or by using the prior art, which is not described herein again; the above examples and drawings are only for illustrating the technical scheme of the present invention and not for limiting the same, and the present invention has been described in detail with reference to the preferred embodiments, and it should be understood by those skilled in the art that changes, modifications, additions or substitutions made by those skilled in the art without departing from the spirit of the present invention and the scope of the appended claims.
Claims (7)
1. Biomass straw drying device, including the support, its characterized in that: the straw cutting device comprises a first conveyor belt (1), a straw cutting device and a second conveyor belt (2) which are sequentially arranged, wherein a height limiting device is further arranged above the second conveyor belt (2), a collecting pipe (11) is further arranged below the tail end of the second conveyor belt (2), a valve is arranged in the collecting pipe (11), and a quantitative heating device is arranged below the collecting pipe (11);
The cutting device comprises a cutting plate (3) positioned below the straws, a cutter (4) positioned above the straws is arranged on the support, a cutting groove matched with the cutter (4) is formed in the cutting plate (3), a first supporting plate extending to the first conveying belt (1) is arranged on the cutting plate (3), and a second supporting plate extending to the second conveying belt (2) is also arranged on the cutting plate (3);
The height limiting device comprises a limiting plate (6) positioned above the second conveyor belt (2) and an electric push rod (5) for driving the limiting plate (6) to move downwards, the electric push rod (5) is fixedly connected to the bracket, and the limiting plate (6) is vertically connected to the bracket in a sliding manner;
The heating device comprises a rotary table (15) positioned below a collecting cylinder, six discs (13) which are uniformly distributed along the circumferential direction of the rotary table (15) are arranged on the rotary table (15), one disc (13) is positioned under the collecting pipe (11), an electric heating wire is arranged in the disc (13), a heating box is inserted on the disc (13), the heating box comprises a bottom plate and a baffle ring (12) fixedly connected to the top surface of the bottom plate and closed in the circumferential direction, and the bottom plate is formed by weaving a plurality of criss-cross steel wires.
2. The biomass straw drying apparatus according to claim 1, wherein: two baffles (7) which are oppositely arranged and extend along the conveying direction are arranged on the second conveying belt (2), the straw is located between the two baffles (7), and the width of the limiting plate (6) is matched with the distance between the two baffles (7).
3. The biomass straw drying apparatus according to claim 1, wherein: a plurality of grooves are formed in the top surface of the disc (13), and the steel wires are woven into protrusions extending into the grooves.
4. The biomass straw drying apparatus according to claim 2, wherein: the side of carousel (15) still is equipped with three agitating unit who arranges along carousel (15) circumference, and three agitating unit is located the same radial of carousel (15) with disc (13) that correspond, agitating unit includes vertically extending support (17), the interior first lead screw (21) that have vertical extension of in support (17), still be equipped with the first motor of drive first lead screw (21) pivoted in support (17), threaded connection has first slider (19) along vertical sliding connection on support (17) on first lead screw (21), first slider (19) extend along disc (13) radial to disc (13) axis, second lead screw (22) of first slider (19) along its extending direction internal connection second motor that drives second lead screw (22) pivoted, threaded connection has second slider (20) of sliding connection on first slider (19) on second lead screw (22), the below of second slider (20) along vertical downward extension second slider (20) is equipped with stirring board (18), still be equipped with in second motor (18) of drive third stirring board.
5. The biomass straw drying apparatus of claim 4, wherein: the three supports (17) slide on the sliding rail (16), the sliding rail (16) is closed along the circumference of the disc (13), and the axis of the circle where the sliding rail (16) is positioned is collinear with the axis of the disc (13).
6. The biomass straw drying apparatus of claim 5, wherein: limiting plate (6) below is equipped with width and is greater than second conveyer belt (2) and is located collecting vat (8) of second conveyer belt (2) below, collecting vat (8) bottom width is less than the opening width, and the tank bottom of collecting vat (8) is to first conveyer belt (1) and downward sloping extension, and the drain hole that is close to first conveyer belt (1) has still been seted up to collecting vat (8) tank bottom, is equipped with third conveyer belt (9) to first conveyer belt (1) direction conveying below the drain hole, and third conveyer belt (9) conveying tail end is equipped with lifting belt (10) on lifting straw to second conveyer belt (2).
7. The method of using a biomass straw drying apparatus according to claim 6, comprising the steps of:
a. The soaked and pressed straws are placed on a first conveyor belt (1), conveyed by the first conveyor belt (1) to enter a cutting plate (3), cut into fragments under the cooperation of a cutter (4) and a cutting groove, and conveyed to a second conveyor belt (2);
b. The conveying speed of the second conveying belt (2) is lower than that of the first conveying belt (1), so that straws are stacked on the second conveying belt (2), the height of the straws is increased, when the straws pass through the limiting plate (6), excessive straws are blocked by the limiting plate (6), part of the straws fall into the collecting tank (8) through the baffle plate (7), the straws enter the third conveying belt (9) along the bottom of the collecting tank (8) due to the inclined arrangement of the bottom of the collecting tank, and enter the lifting belt (10) and return to the second conveying belt (2), and the amount of the straws falling into the collecting tank (11) in unit time can be calculated by adding the data of the speed of the second conveying belt (2) due to the limitation of the height of the straws, so that quantitative drying can be realized;
c. After a certain period of time, collecting quantitative straws in a collecting cylinder, opening a valve, enabling the straws to fall into a heating box, enabling a rotary disc (15) to rotate, enabling the heating box and a disc (13) to rotate to a first drying station, namely below a first stirring plate (18), simultaneously driving a first motor to drive a first lead screw (21) to rotate, adjusting the height of a first sliding block (19), driving a second lead screw (22) to rotate through a second motor, adjusting the position of a second sliding block (20) on the disc (13), namely adjusting the relative position of the stirring plate (18) on the disc (13), enabling the axis of the disc (13) to be located at 1/3 of the length of the stirring plate (18), enabling a certain gap to exist between the bottom end of the stirring plate (18) and the bottom plate of the heating box, and then driving a third motor to drive the stirring plate (18) to rotate;
d. When the stirring plate (18) is stirred, the second motor is driven to drive the second screw rod (22) to rotate, the second stirring plate (18) is driven to move in a direction away from the axis of the disc (13), and rotation and movement of the stirring plate (18) are simultaneously carried out, so that the movement track of the stirring plate (18) is a spiral line, straw is uniformly paved on the bottom plate in the process of rotating the stirring plate (18), and simultaneously the first motor is driven to drive the first sliding block (19) to move upwards, namely the stirring plate (18) is driven to move upwards, so that the stirring plate (18) is moved to the upper part of the heating box;
e. At the moment, the rotary table (15) rotates to drive the rotary table (13) to move to a second drying station, namely a second stirring station, namely below the second stirring plate (18), and as the collecting cylinder concentrates the straws in a certain range, the straws are accumulated, and when the first stirring plate (18) rotates, part of the straws still accumulate in the range, so that the second stirring plate (18) repeats the action of the first stirring plate (18) to uniformly spread the straws in the range on the bottom plate, so that all the straws are uniformly separated;
f. At the moment, the rotary table (15) rotates to drive the rotary table (13) to move to a third drying station, namely a third stirring station, namely the lower part of the third stirring plate (18), and the movement track of the first stirring plate (18) is repeated, so that all straws are further ensured to be uniformly separated;
g. After three drying stations, the heating box is taken out at the disassembling station, so that quantitative drying of the straw is completed, and then the new heating box is placed on the disc (13) again at the feeding station.
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