CN106440728B - Continuous drying method for natural rubber - Google Patents
Continuous drying method for natural rubber Download PDFInfo
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- CN106440728B CN106440728B CN201611101609.3A CN201611101609A CN106440728B CN 106440728 B CN106440728 B CN 106440728B CN 201611101609 A CN201611101609 A CN 201611101609A CN 106440728 B CN106440728 B CN 106440728B
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B15/00—Machines or apparatus for drying objects with progressive movement; Machines or apparatus with progressive movement for drying batches of material in compact form
- F26B15/02—Machines or apparatus for drying objects with progressive movement; Machines or apparatus with progressive movement for drying batches of material in compact form with movement in the whole or part of a circle
- F26B15/04—Machines or apparatus for drying objects with progressive movement; Machines or apparatus with progressive movement for drying batches of material in compact form with movement in the whole or part of a circle in a horizontal plane
- F26B15/06—Machines or apparatus for drying objects with progressive movement; Machines or apparatus with progressive movement for drying batches of material in compact form with movement in the whole or part of a circle in a horizontal plane involving several planes, one above the other
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- 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
- F26B21/003—Supply-air or gas filters
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
- F26B25/001—Handling, e.g. loading or unloading arrangements
- F26B25/003—Handling, e.g. loading or unloading arrangements for articles
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- General Engineering & Computer Science (AREA)
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Abstract
The invention relates to a continuous drying method for natural rubber, wherein a continuous drying device for natural rubber comprises a feeding hopper, a drying conveyor belt, a drying room, a rubber discharging conveyor roller and a rubber collecting box. The drying conveyor belt is of a multi-layer net-shaped structure, the discharging hopper is formed by vertically arranging a plurality of horizontal pipelines with holes at the bottoms, and the discharging hopper is used for paving each layer of drying conveyor belt. Each layer of the drying conveyor belt is provided with a baffle, so that the rubber layer on the conveyor belt has certain thickness. The drying room is internally provided with a vertical clapboard, so that the thickness of a glue layer on the drying conveyor belt is uniform, and the functions of sealing and guiding air flow are achieved. The glue outlet conveying roller is also of a multilayer structure, is arranged above each layer of drying conveying belt at the outlet section of the drying room and is used for outputting dried rubber to the glue collecting box. The invention adopts a continuous drying mode to replace an intermittent drying mode, adopts multilayer drying to replace the current single-layer drying, can effectively reduce the thickness of a glue layer, improves the utilization rate of hot air and the drying efficiency, and saves energy consumption.
Description
Technical Field
The invention relates to the field of natural rubber primary processing. In particular, the invention relates to a continuous drying method of natural rubber.
Background
Rapid and healthy development of the natural rubber industry is a strategic need in the country. Because natural rubber has a series of properties such as better insulativity, rebound resilience, plasticity and the like, after being properly processed, the natural rubber has precious characteristics such as heat resistance, acid resistance, alkali resistance, wear resistance and the like, so that the natural rubber has extremely wide application. However, the mechanical automation level of technical equipment adopted by the natural rubber production and processing industry at home and abroad is very low, the natural rubber production and processing industry still belongs to labor-intensive industry, and the development of the natural rubber industry is severely restricted.
The drying of natural rubber is an important link of natural rubber processing, and the current natural rubber drying process adopts a drying vehicle as a transport carrier to complete the processes of blanking, dripping, drying, glue unloading and the like of a mixture of broken natural rubber blocks and water, completely depends on manual operation, consumes a lot of manpower, has great labor intensity, is an intermittent process in the drying process, and restricts the improvement of hot air utilization efficiency and drying efficiency because the dried rubber blocks are thick.
The existing national patents are mainly based on the existing natural rubber drying process, and automatic modification or automatic control design of the drying environment of a drying room is carried out. The national patent CN 104494964 designs an automatic implementation method and device for the above drying process, and the national patent CN 101907382A, CN 205497863U, CN205482281U performs fine control for the drying room of the key equipment of the above drying process, and tries to establish an environment suitable for drying natural rubber, so as to reduce energy consumption. In addition, national patents CN 201740355U, CN201837199U and CN 201837200U, CN 201999877U, CN 205505574U, CN 205466873U add solar energy, wind energy and other renewable energy heating devices to the drying process and device, so as to reduce the consumption rate of fossil energy without changing the total energy consumption.
The invention utilizes the multilayer conveyor belt structure to replace the traditional natural rubber drying vehicle, can effectively reduce the thickness of the dried rubber block, increases the contact area of the rubber block and hot air, is favorable for improving the utilization efficiency of the hot air, saves cost and reduces consumption. Meanwhile, the whole set of equipment is operated in a continuous mode, automation is easy to realize, labor force can be effectively saved, the labor environment is improved, and a series of problems caused by the lack of labor force in the existing natural rubber factory can be relieved.
Disclosure of Invention
The invention aims to provide a continuous drying method for natural rubber, which adopts a continuous drying mode to replace an intermittent drying mode and adopts multilayer drying to replace the current single-layer drying mode, so that the thickness of a rubber layer can be effectively reduced, the hot air utilization rate and the drying efficiency can be improved, and the energy consumption can be saved.
In order to achieve the object of the present invention, the present invention provides a continuous drying method of natural rubber, comprising: providing a natural rubber continuous drying device; and performing continuous drying of the natural rubber using the continuous drying apparatus for natural rubber, wherein the continuous drying apparatus for natural rubber comprises:
the feeding hopper is connected with the conveying pipeline, and a mixed fluid of the natural rubber fragments and water conveyed in the conveying pipeline is conveyed to the drying conveyor belt to form a rubber paving block;
the material leaking shell is provided with supporting legs, is fixed on the outer side of the drying conveyor belt and below a horizontal pipeline at the bottommost layer of the discharging hopper, and is used for containing leaked material liquid when the discharging hopper shrinks to the outside of the drying conveyor belt and reflows to the conveying belt at the bottom layer of the drying conveyor belt;
the drying conveyor belt consists of a dripping section, a drying section and a glue discharging section; the bottom plate of the drying conveyor belt is of a net structure and is vertically distributed in multiple layers, and each layer is provided with a conveyor belt baffle plate for obtaining a rubber block with a certain thickness; all the layers of the drying conveyor belt are connected by a plurality of rigid conveyor belt brackets, and are driven by a motor, a chain wheel and a chain to run together in a constant-speed circulating manner, so that the rubber paving blocks are conveyed to corresponding stations; the bottommost layer of the drying conveyor belt is fixed on the ground by a plurality of conveyor belt supporting legs;
the drying room is internally provided with vertical partition plates with uniform intervals, and hot air sent into the drying room by a blower through an air inlet flows in an air path enclosed by the vertical partition plates, the conveyor belt baffle, the drying conveyor belt bottom plate and the inner wall of the drying room and passes through the rubber paving blocks to realize the drying of the natural rubber;
the glue discharging conveying roller consists of a plurality of layers of power conveying rollers, and the layers are connected by a rigid conveying roller support and fixed on the ground; an inclined glue scraping blade is arranged between the glue discharging conveying roller and the drying conveying belt below the glue discharging conveying roller, so that a drying glue block is separated from a bottom plate of the drying conveying belt and enters the glue discharging conveying roller;
and the dry rubber blocks are conveyed to the rubber collecting box by the rubber outlet conveying roller, so that the collection of the dry rubber blocks is completed.
Preferably, the drying conveyor belt is a rectangular closed conveyor belt, the length direction of the rectangular closed conveyor belt is 20-40 m, and the width direction of the rectangular closed conveyor belt is 4-8 m; the drying room and the blanking hopper are respectively arranged on two long sides of the rectangle of the drying conveyor belt, and the drying conveyor belt is divided into a dripping section, a drying section and a glue discharging section; the dripping section is a part of the drying conveyor belt between the discharging hopper and the inlet of the drying room, the drying section is a part of the drying conveyor belt in the drying room, and the glue discharging section is a part of the drying conveyor belt between the outlet of the drying room and the discharging hopper;
preferably, the drying conveyor belt is 2-5 layers, the bottom plate is of a net structure, the diameter of a mesh is 5-10 mm, and rubber fragments are intercepted while water leakage occurs; the distance between every two layers is 150-300 mm, the two layers are rigidly connected by the conveyor belt bracket and move together at a constant speed under the transmission of a motor, a chain wheel and a chain; the two sides of each layer of conveyor belt are provided with the conveyor belt baffles, and the height of each conveyor belt baffle is 100-150 mm; the drying conveyor belt bottom plate is compared 20 ~ 30mm that conveyer belt baffle outer wall interval is big, compare 5 ~ 10mm is little to the drying house both sides inner wall interval, and the bottom plate outside is equipped with the soft sealing layer that thickness is 5 ~ 10mm, realizes the drying conveyor belt bottom plate with sealing between the drying house both sides inner wall.
Preferably, the vertical partition plates with the horizontal interval of 1000-2500 mm are arranged in the drying room; the vertical partition plate is made of high-temperature-resistant soft sealing materials, is 10-20 mm thick, is of a multilayer structure in the vertical direction, is the same as the number of layers of the drying conveyor belt, is fixed on two sides of the inner wall of the drying room, is located between the layers of the drying conveyor belt, and is the same as the interval between the layers.
Preferably, the glue discharging conveying roller consists of 2-5 layers of power cylindrical rollers, the number of layers is the same as that of the drying conveying belt, and the outer diameter of each cylindrical roller is smaller than the interval of each layer of the drying conveying belt by 10-50 mm; each layer of the glue discharging conveying roller is respectively positioned above each layer of the drying conveying belt, and the distance between the bottom of each layer of the bottom plate of the glue discharging conveying roller and the top of each layer of the conveying belt baffle is 2-5 mm; each layer of the glue outlet conveying roller is rigidly connected with the conveying roller support and fixed on the ground.
Preferably, the glue scraping blade is obliquely arranged between the drying conveyor belt and the glue discharging conveyor roller, the blade part of the glue scraping blade is positioned 1-2 mm above the bottom plate of the drying conveyor belt, the blunt part and the glue discharging conveyor roller are the same in height, and the horizontal distance is 1-5 mm; the width of the frictioning blade is smaller than the distance between the inner walls of the baffle plates of the conveying belt by 2-5 mm.
Preferably, the blanking hopper is formed by vertically connecting 2-5 horizontal pipelines with holes at the bottoms in parallel, the number of the horizontal pipelines is the same as the number of layers of the drying conveyor belt, the diameter of the holes at the bottoms is 20-50 mm, and the horizontal pipelines are uniformly distributed at the bottoms; the length of the horizontal pipeline of the blanking hopper is 10-20 mm smaller than the distance between the inner walls of the conveyor belt baffles, and the outer diameter of the horizontal pipeline of the blanking hopper is 10-20 mm smaller than the distance between the conveyor belt baffles and the drying conveyor belt bottom plate above the conveyor belt baffles; the lower hopper can stretch out and draw back along drying conveyer belt width direction, flexible length scope with drying conveyer belt width is the same.
Preferably, the material leaking shell is of a semi-cylindrical shell structure, the inner diameter of the material leaking shell is 1.5-2 times of that of the horizontal pipeline of the discharging hopper, and the length of the material leaking shell is 1.1-1.4 times of that of the horizontal pipeline of the discharging hopper; one end of the material leaking shell extends into the drying conveyor belt by 2-5 mm and is located 2-5 mm above the conveyor belt, and the other end of the material leaking shell is provided with a semicircular baffle plate, and the shape of the semicircular baffle plate is the same as the section of the semi-cylindrical shell of the material leaking shell.
Drawings
FIG. 1 is a schematic view of the structure of a natural rubber continuous drying apparatus of example 1.
In the figure: 1. feeding a hopper; 2. a delivery pipeline; 3. a rubber paving block; 4. drying the conveyor belt; 5. a dripping section; 6. a drying room; 7. a vertical partition; 8. a drying section; 9. drying the rubber block; 10. a glue discharging section; 11. a glue discharging and conveying roller; 12. a glue collecting box; 13. a transfer roller support; 14. a material leaking shell; 15. a conveyor belt support; 16. the conveyor belt is on duty; 17. a conveyor belt leg; 18. a doctor blade.
Detailed Description
The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
As used herein, the manner of fixation is not particularly limited, and one skilled in the art may use any manner to effect fixation so long as the effect of no longer moving is achieved.
Example 1
FIG. 1 is a schematic structural diagram of a continuous drying apparatus for natural rubber according to the present invention, including: the device comprises a feeding hopper 1, a drying conveyor belt 4 and a rubber paving block 3, wherein the feeding hopper 1 is connected with a conveying pipeline 2, and a mixed fluid of natural rubber fragments and water conveyed in the conveying pipeline 2 is conveyed to the drying conveyor belt 4; a material leaking shell 14, wherein supporting legs are mounted at the bottom of the material leaking shell 14, and the material leaking shell is fixed outside the drying conveyor belt 4 and below a bottommost horizontal pipeline of the discharging hopper 1, and is used for receiving material liquid leaked when the discharging hopper 1 shrinks to the outside of the drying conveyor belt 4 and reflowing to a bottom conveyor belt of the drying conveyor belt 4; the drying conveyor belt 4 is composed of a water dripping section 5, a drying section 8 and a glue discharging section 10; the bottom plate of the drying conveyor belt 4 is of a net structure and is vertically distributed in multiple layers, and each layer is provided with a conveyor belt baffle 16 for obtaining a rubber block with a certain thickness; each layer of the drying conveyor belt 4 is connected by a plurality of rigid conveyor belt brackets 15, and the drying conveyor belt 4 and the chain are driven by a motor, a chain wheel and a chain to run together in a constant-speed circulation mode to convey the rubber paving blocks 3 to corresponding stations; the lowermost layer of the drying conveyor 4 is fixed to the ground by a plurality of conveyor legs 17; the drying room 6 is internally provided with vertical partition plates 7 with uniform intervals, and hot air sent into the drying room 6 by a blower through an air inlet flows in an air passage enclosed by the vertical partition plates 7, the conveyor belt baffle 16, a bottom plate of the drying conveyor belt 4 and the inner wall of the drying room 6 and passes through the rubber paving blocks 3 to realize the drying of the natural rubber; the glue discharging and conveying rollers 11 are formed by a plurality of layers of power conveying rollers, and the layers are connected through a rigid conveying roller support 13 and fixed on the ground; an inclined glue scraping blade 18 is arranged between the glue discharging and conveying roller 11 and the drying and conveying belt 4 below the glue discharging and conveying roller, so that the drying glue block 9 is separated from the bottom plate of the drying and conveying belt 4 and enters the glue discharging and conveying roller 11; and the glue collecting box 12 is used for conveying the dry glue blocks 9 to the glue collecting box 12 through the glue outlet conveying roller 11, so that the collection of the dry glue blocks 9 is completed.
The drying conveyor belt 4 is a rectangular closed conveyor belt, the length direction of the drying conveyor belt is 20m, and the width direction of the drying conveyor belt is 4 m; the width of the bottom plate of the drying conveyor belt 4 is 1.5m, the length of the dripping section 5 is 24m, the length of the drying section 8 is 14m, and the length of the glue outlet section is 10 m.
The drying conveyor belt 4 is provided with 3 layers, the bottom plate is of a net structure, the diameter of a mesh is 8mm, and rubber fragments are intercepted while water leakage occurs; the distance between each layer is 240mm, the layers are rigidly connected by the conveyor belt bracket 15 and move together at a constant speed under the transmission of a motor, a chain wheel and a chain; the conveyor belt baffles 16 are arranged on the two sides of each layer of conveyor belt, and the height is 120 mm; 4 bottom plates of drying conveyer belt than 16 outer walls of conveyer belt baffle interval 20mm big, than 6mm are little to 6 both sides inner wall interval in drying room, and the bottom plate outside is equipped with the soft sealing layer of 6mm thickness, realizes 4 bottom plates of drying conveyer belt with sealed between the 6 both sides inner wall in drying room.
The drying room 6 is internally provided with the vertical partition plates 7 with the horizontal interval of 2000 mm; the vertical partition plate 7 is made of a high-temperature-resistant soft sealing material, is 10mm thick, has a 3-layer structure in the vertical direction, is fixed on two sides of the inner wall of the drying room 6, is positioned between each layer of the drying conveyor belt 4, and has a height of 120 mm.
The glue discharging conveying roller 11 consists of 3 layers of power cylindrical rollers, and the outer diameter of each cylindrical roller is 100 mm; each layer of the glue outlet conveying roller 11 is respectively positioned on each layer of the drying conveying belt (4), and the distance between the bottom of each layer of the bottom plate of the glue outlet conveying roller 11 and the top of each layer of the conveying belt baffle 16 is 5 mm; each layer of the glue outlet conveying roller 11 is rigidly connected by the conveying roller bracket 13 and fixed on the ground.
The glue scraping blade 18 is obliquely arranged between the drying conveyor belt 4 and the glue discharging conveyor roller 11, the inclination angle is 45 degrees, the blade part of the glue scraping blade is positioned 2mm above the bottom plate of the drying conveyor belt 4, the blunt part is as high as the glue discharging conveyor roller 11, and the horizontal distance is 2 mm; the width of the doctor blade 18 is 1165 mm.
The blanking hopper 1 is formed by vertically connecting 3 horizontal pipelines with holes at the bottoms in parallel, the diameter of the holes at the bottoms is 30mm, and the holes are uniformly distributed at the bottoms; the length of the horizontal pipeline of the blanking hopper 1 is 1160mm, and the outer diameter is 100 mm; the lower hopper 1 can stretch along the width direction of the drying conveyor belt 4, and the stretching length range is 1170 mm.
The material leaking shell 14 is of a semi-cylindrical shell structure, the inner diameter of the material leaking shell is 1.5 times of that of the horizontal pipeline of the blanking hopper 1, and the length of the material leaking shell is 1.2 times of that of the horizontal pipeline of the blanking hopper 1; one end of the material leaking shell 14 extends into the drying conveying belt 4 by 3mm and is positioned 2mm above the conveying belt 4, and the other end of the material leaking shell is provided with a semicircular baffle plate, and the shape of the semicircular baffle plate is the same as the section of the semi-cylindrical shell of the material leaking shell 14.
When the natural rubber continuous drying device provided by the invention is used for drying natural rubber, firstly, the drying conveyor belt 4 is manually adjusted, so that the blanking hopper 1 is positioned behind the nearest conveyor belt bracket 15, and then the blanking hopper 1 extends to the position above the drying conveyor belt 4 and is vertical to the movement direction of the drying conveyor belt 4; starting a feeding pump, enabling a mixed fluid of the natural rubber fragments and water to enter each layer of horizontal pipeline of a blanking hopper 1 through a material conveying pipeline 2 under the action of the feeding pump, enabling the mixed fluid to flow into a bottom plate of a drying conveyor belt 4 below through uniform round holes in the bottom, enabling the drying conveyor belt 4 to run at a constant speed, and forming rubber spreading blocks 3 on the three layers of bottom plates; when the lower hopper 1 approaches to the next conveyor belt bracket 15, the lower hopper automatically contracts to leave the drying conveyor belt 4, and leaked liquid is contained in the leaked material shell 14 and flows back to the bottom plate of the bottom layer of the drying conveyor belt 4 in the contraction process; after the conveyor belt bracket 15 passes through the position of the discharging hopper 1, the discharging hopper 1 extends out again to finish the same material laying process; the formed three layers of rubber paving blocks 3 move together under the driving of the drying conveyor belt 4, enter the drying room 6 from the inlet of the drying room 6, move and dry under the action of hot air, and finish drying when reaching the outlet of the drying room 6; in order to improve the utilization rate of hot air, a vertical partition plate 7 is arranged in the drying room 6, and the hot air flows in a flow channel formed by the inner wall of the drying room 6, each layer of bottom plate of the drying conveyor belt 4 and the vertical partition plate 7 and passes through the adhesive layer for drying; the rubber block after the outlet of the drying room 6 is the drying rubber block 9, the drying rubber block 9 moves forward under the drive of the drying conveyor belt 4, when the front end reaches the position of the cutting edge of the rubber scraping blade 18, the bottom of the drying rubber block 9 is separated from the bottom plate of the drying conveyor belt 4, enters the rubber outlet conveying roller 11, moves under the drive of the rubber outlet conveying roller 11, and finally falls into the rubber collecting box 12 under the action of gravity, so that the drying and the collection of the natural rubber are completed. In the drying process, the drying conveyor belt 4 continuously and circularly runs, and glue spreading, drying and glue collecting are sequentially completed on the drying conveyor belt; the glue discharging and conveying roller 11 also runs continuously, and the dried glue blocks 9 are continuously discharged and collected.
This embodiment utilizes 3 layers of conveyer belt structures to replace the dry car of traditional natural rubber, has effectively reduced dry gluey piece thickness, has increased gluey piece and hot-blast area of contact, is favorable to improving drying efficiency, festival cost reduction. Meanwhile, the whole set of equipment is operated in a continuous mode, automation is easy to realize, the automation process of the natural rubber drying process is promoted, labor force can be effectively saved, the labor environment is improved, and a series of problems caused by the lack of labor force of the existing natural rubber factory are relieved.
Claims (8)
1. A continuous drying method of natural rubber, comprising: providing a natural rubber continuous drying device; and continuous drying of the natural rubber using the continuous drying apparatus for natural rubber, wherein,
the continuous drying device of natural rubber includes:
the feeding hopper (1) is connected with the material conveying pipeline (2), and a mixed fluid of the natural rubber fragments and water conveyed in the material conveying pipeline (2) is conveyed to a drying conveyor belt (4) to form a rubber paving block (3);
the material leaking shell (14) is provided with supporting legs, is fixed on the outer side of the drying conveyor belt (4) and below a bottommost horizontal pipeline of the discharging hopper (1), and is used for containing leaked material liquid when the discharging hopper (1) shrinks to the outside of the drying conveyor belt (4) and reflows to the bottom conveyor belt of the drying conveyor belt (4);
the drying conveyor belt (4), the drying conveyor belt (4) is composed of a dripping section (5), a drying section (8) and a glue discharging section (10); the bottom plate of the drying conveyor belt (4) is of a net structure and is vertically distributed in multiple layers, and each layer is provided with a conveyor belt baffle (16) for obtaining a rubber block with a certain thickness; all layers of the drying conveyor belt (4) are connected by a plurality of rigid conveyor belt brackets (15), and are driven by a motor, a chain wheel and a chain to circularly run at a constant speed, so that the rubber paving block (3) is conveyed to a corresponding station; the bottommost layer of the drying conveyor belt (4) is fixed on the ground by a plurality of conveyor belt supporting legs (17);
the drying room (6) is internally provided with vertical partition plates (7) with uniform intervals, hot air sent into the drying room (6) by an air blower through an air inlet flows in an air path formed by the vertical partition plates (7), the conveyor belt baffle (16), a bottom plate of the drying conveyor belt (4) and the inner wall of the drying room (6) and passes through the rubber paving block (3) to realize the drying of the natural rubber;
the glue discharging conveying rollers (11) are composed of a plurality of layers of power conveying rollers, and the layers are connected through a rigid conveying roller support (13) and fixed on the ground; an inclined glue scraping blade (18) is arranged between the glue discharging conveying roller (11) and the drying conveying belt (4) below the glue discharging conveying roller, so that the drying glue block (9) is separated from the bottom plate of the drying conveying belt (4) and enters the glue discharging conveying roller (11);
and the glue collecting box (12) is used for collecting the dry glue blocks (9), and the dry glue blocks (9) are conveyed to the glue collecting box (12) through the glue outlet conveying roller (11) to finish the collection of the dry glue blocks (9).
2. The continuous drying method of natural rubber according to claim 1, wherein the drying conveyor belt (4) is a rectangular closed conveyor belt, the length direction is 20-40 m, and the width direction is 4-8 m; the drying room (6) and the blanking hopper (1) are respectively arranged on two rectangular long edges of the drying conveyor belt (4), and the drying conveyor belt (4) is divided into a dripping section (5), a drying section (8) and a glue discharging section (10); the dripping section (5) is a part of the drying conveyor belt (4) between the discharging hopper (1) and the inlet of the drying room (6), the drying section (8) is a part of the drying conveyor belt (4) in the drying room (6), and the glue discharging section (10) is a part of the drying conveyor belt (4) between the outlet of the drying room (6) and the discharging hopper (1);
3. the continuous drying method for natural rubber according to claim 1 or 2, wherein the drying conveyor belt (4) has 2-5 layers, the bottom plate has a net structure, the diameter of the net is 5-10 mm, and rubber fragments are trapped while water leaks; the distance between every two layers is 150-300 mm, the two layers are rigidly connected by the conveyor belt bracket (15) and move together at a constant speed under the transmission of a motor, a chain wheel and a chain; the conveyor belt baffles (16) are arranged on the two sides of each layer of conveyor belt, and the height is 100-150 mm; drying conveyer belt (4) bottom plate is compared 20 ~ 30mm that conveyer belt baffle (16) outer wall interval is big, compares 5 ~ 10mm that drying room (6) both sides inner wall interval is little, and the bottom plate outside is equipped with the soft sealing layer of 5 ~ 10mm thickness, realizes drying conveyer belt (4) bottom plate with sealing between drying room (6) both sides inner wall.
4. The continuous drying method of natural rubber according to claim 1, wherein the drying room (6) is internally provided with the vertical partition plates (7) having a horizontal interval of 1000 to 2500 mm; the vertical partition plates (7) are made of high-temperature-resistant soft sealing materials, are 10-20 mm in thickness, are of a multilayer structure in the vertical direction, are identical to the layers of the drying conveyor belts (4), are fixed on two sides of the inner wall of the drying room (6), are located between the layers of the drying conveyor belts (4), and are identical in height to the intervals of the layers.
5. The continuous drying method for natural rubber according to claim 1, characterized in that the glue discharging and conveying roller (11) consists of 2-5 layers of power cylindrical rollers, the number of layers is the same as that of the drying and conveying belt (4), and the outer diameter of each cylindrical roller is smaller than the interval between every two layers of the drying and conveying belt (4) by 10-50 mm; each layer of the glue discharging conveying roller (11) is respectively positioned on each layer of the drying conveying belt (4), and the distance between the bottom of each layer of the bottom plate of the glue discharging conveying roller (11) and the top of each layer of the conveying belt baffle (16) is 2-5 mm; each layer of the glue outlet conveying roller (11) is rigidly connected with the conveying roller bracket (13) and fixed on the ground.
6. The continuous drying method for natural rubber according to claim 1, wherein the scraping blade (18) is obliquely arranged between the drying conveyor belt (4) and the rubber discharging conveying roller (11), the blade part of the scraping blade is positioned 1-2 mm above the bottom plate of the drying conveyor belt (4), the blunt part is the same as the rubber discharging conveying roller (11) in height, and the horizontal distance is 1-5 mm; the width of the glue scraping blade (18) is smaller than the distance between the inner walls of the conveyor belt baffles (16) by 2-5 mm.
7. The continuous drying method for natural rubber according to claim 1, wherein the feeding hopper (1) is composed of 2-5 horizontal pipelines with holes at the bottom which are vertically connected in parallel, the number of the horizontal pipelines is the same as the number of layers of the drying conveyor belt (4), the diameter of the holes at the bottom is 20-50 mm, and the horizontal pipelines are uniformly distributed at the bottom; the length of a horizontal pipeline of the blanking hopper (1) is 10-20 mm smaller than the distance between the inner walls of the conveyor belt baffles (16), and the outer diameter of the horizontal pipeline is 10-20 mm smaller than the distance between the conveyor belt baffles (16) and the bottom plate of the drying conveyor belt (4) above the conveyor belt baffles; the feeding hopper (1) can stretch along the width direction of the drying conveyor belt (4), and the stretching length range is the same as the width of the drying conveyor belt (4).
8. The continuous drying method for natural rubber according to claim 1, wherein the leaking shell (14) has a semi-cylindrical shell structure, the inner diameter of the leaking shell is 1.5-2 times of the horizontal pipeline of the blanking hopper (1), and the length of the leaking shell is 1.1-1.4 times of the horizontal pipeline of the blanking hopper (1); one end of the material leaking shell (14) extends into the drying conveyor belt (4) by 2-5 mm and is positioned above the conveyor belt (4) by 2-5 mm, and the other end of the material leaking shell is provided with a semicircular baffle which has the same shape as the section of the semi-cylindrical shell of the material leaking shell (14).
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| CN2884086Y (en) * | 2006-03-10 | 2007-03-28 | 柳昶明 | Swing link conveying drying machinery |
| DE102007038105B4 (en) * | 2007-08-13 | 2011-05-05 | Arno Fudel | Method and device for drying biomass |
| KR100913555B1 (en) * | 2007-10-16 | 2009-08-21 | 경남정보대학 산학협력단 | Drying system for gouging rod |
| CN101644529B (en) * | 2008-08-05 | 2011-08-17 | 骆立波 | Induction heating device for end cover |
| EP2447172A1 (en) * | 2010-11-02 | 2012-05-02 | Stefano Boido | Apparatus for heating containers |
| CN203478872U (en) * | 2013-08-13 | 2014-03-12 | 江苏浙萃食品有限公司 | Automatic drying device |
| CN104296514A (en) * | 2014-09-30 | 2015-01-21 | 宁国瑞冠泰设备有限公司 | Conduction oil heating dryer |
| CN106152754A (en) * | 2015-04-22 | 2016-11-23 | 建湖力诺机械科技有限公司 | Full-automatic Flos Chrysanthemi energy-saving dryer |
| CN204787695U (en) * | 2015-07-06 | 2015-11-18 | 肖明真 | Ceramic body drying device |
| CN205119716U (en) * | 2015-11-19 | 2016-03-30 | 张士刚 | Chain formula yarn baking house |
| CN105546965B (en) * | 2015-12-21 | 2019-01-22 | 江苏牧羊控股有限公司 | A kind of energy conservation subregion band drier |
| WO2017197600A1 (en) * | 2016-05-18 | 2017-11-23 | 深圳市惠利亚科技有限公司 | Baking device |
-
2016
- 2016-12-05 CN CN201611101609.3A patent/CN106440728B/en active Active
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