CN117774177B - Preparation method and device of starch-based porous material - Google Patents
Preparation method and device of starch-based porous material Download PDFInfo
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- CN117774177B CN117774177B CN202410202394.2A CN202410202394A CN117774177B CN 117774177 B CN117774177 B CN 117774177B CN 202410202394 A CN202410202394 A CN 202410202394A CN 117774177 B CN117774177 B CN 117774177B
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- 229920002472 Starch Polymers 0.000 title claims abstract description 132
- 235000019698 starch Nutrition 0.000 title claims abstract description 132
- 239000008107 starch Substances 0.000 title claims abstract description 132
- 239000011148 porous material Substances 0.000 title claims abstract description 113
- 238000002360 preparation method Methods 0.000 title claims abstract description 31
- 238000001035 drying Methods 0.000 claims abstract description 84
- 238000007790 scraping Methods 0.000 claims abstract description 20
- 239000000463 material Substances 0.000 claims abstract description 15
- 238000001179 sorption measurement Methods 0.000 claims description 14
- 238000005192 partition Methods 0.000 claims description 11
- 238000007599 discharging Methods 0.000 claims description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 10
- 230000003014 reinforcing effect Effects 0.000 claims description 9
- 239000000839 emulsion Substances 0.000 claims description 8
- 238000009423 ventilation Methods 0.000 claims description 7
- 230000005540 biological transmission Effects 0.000 claims description 5
- 108091005804 Peptidases Proteins 0.000 claims description 4
- 239000004365 Protease Substances 0.000 claims description 4
- 102100037486 Reverse transcriptase/ribonuclease H Human genes 0.000 claims description 4
- 238000000605 extraction Methods 0.000 claims description 4
- 230000007062 hydrolysis Effects 0.000 claims description 4
- 238000006460 hydrolysis reaction Methods 0.000 claims description 4
- 238000002156 mixing Methods 0.000 claims description 4
- 238000003756 stirring Methods 0.000 claims description 4
- 238000005086 pumping Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 14
- 230000002787 reinforcement Effects 0.000 description 6
- 239000000428 dust Substances 0.000 description 5
- 238000004108 freeze drying Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 3
- 238000005067 remediation Methods 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 230000000274 adsorptive effect Effects 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 239000002473 artificial blood Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006065 biodegradation reaction Methods 0.000 description 1
- 210000004204 blood vessel Anatomy 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910021645 metal ion Inorganic materials 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
- 238000004065 wastewater treatment Methods 0.000 description 1
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- Polysaccharides And Polysaccharide Derivatives (AREA)
Abstract
The invention belongs to the technical field of starch materials, in particular to a preparation method and a device of a starch-based porous material, wherein the preparation method comprises a drying tower, a conveying pipeline, shaftless spiral blades, a first motor and a scraping plate; the first motor drives the connecting swivel mount to rotate, drives the shaftless helical blade to rotate in the conveying pipeline, drives the scraping plate to rotate, and the shaftless helical blade separates and conveys the wet starch-based porous material along the conveying pipeline, meanwhile, the wet starch-based porous material is continuously overturned and lifted by the cooperation of the scraping plate, and the wet starch-based porous material is dried by high-temperature hot air generated by the hot air furnace, so that the loosening degree of the starch-based porous material is ensured, and the subsequent crushing procedure of the starch-based porous material is reduced; and then the preparation efficiency of the starch-based porous material is improved.
Description
Technical Field
The invention belongs to the technical field of starch materials, and particularly relates to a preparation method and a device of a starch-based porous material.
Background
The starch-based porous material is a porous material with various types, simple preparation and excellent performance, and has the advantages of environmental protection, regeneration, biodegradation and the like; starch-based porous materials are used in a variety of applications such as biomedical, adsorptive separation, environmental remediation, etc.; in the field of biological medicine, the starch-based porous material can be used for preparing artificial blood vessels, tissue engineering scaffolds and the like; in the adsorption separation field, the starch-based porous material can be used for wastewater treatment, metal ion adsorption and the like; in the field of environmental remediation, the starch-based porous material can be used for soil remediation, water resource purification and the like.
The preparation methods of starch-based porous materials are various, the existing main preparation method is a freeze-drying method, and the freeze-drying method is a porous material prepared based on the self-variable property of starch and the mesoporous structure composition after freeze-drying; according to the method, gel is formed by starch aqueous solution, and then water molecules are gradually sublimated and removed by a freeze-drying technology, so that the starch-based porous material with a porous structure is obtained.
However, when the preparation is carried out by adopting a freeze-drying method, the time for freeze-sublimating and drying the starch-based porous material is long, and the product after the preparation is completed can be hardened and blocked, and the product needs to be crushed again, so that the whole preparation process is increased, and the preparation time is prolonged.
Therefore, the invention provides a preparation method and a device of a starch-based porous material.
Disclosure of Invention
In order to overcome the deficiencies of the prior art, at least one technical problem presented in the background art is solved.
The technical scheme adopted for solving the technical problems is as follows: the invention relates to a preparation device of a starch-based porous material, which comprises a drying tower; a hot air ring cavity is formed in the wall of the drying tower; a hot air inlet is fixedly connected to the top of one side of the drying tower; one end of the hot air inlet is communicated with the hot air annular cavity; the other end of the hot air inlet is communicated with the hot air furnace; the inner wall of the bottom of the drying tower is provided with a plurality of air outlet holes in a surrounding mode; the air outlet hole is communicated with the bottom of the hot air ring cavity; an air outlet is formed in the top surface of the drying tower; a spiral conveying pipeline is arranged in the drying tower; the top and the bottom of the conveying pipeline are horizontal straight pipelines; the top and the bottom of the conveying pipeline penetrate through the tower wall of the drying tower; the top surface of the top of the conveying pipeline is communicated with a feed inlet; the bottom surface of the bottom of the conveying pipeline is communicated with a discharge hole; the top surface of the spiral part of the conveying pipeline is provided with a ventilation drying port; the wet starch-based porous material is dried, and the starch-based porous material is continuously turned over in the conveying pipeline in the process of spirally downwards moving the starch-based porous material, so that the loosening degree of the starch-based porous material is ensured, and the subsequent crushing process of the starch-based porous material is reduced; and then the preparation efficiency of the starch-based porous material is improved.
Preferably, shaftless helical blades are rotatably arranged in the conveying pipeline; the shaftless helical blade has elasticity; the top and the bottom of the conveying pipeline are rotatably provided with a connecting swivel mount; the connecting swivel mount is fixedly connected with the end part of the shaftless spiral blade; a first motor is arranged at the top of the conveying pipeline; the rotating shaft of the first motor is fixedly connected with the connecting rotating seat at the top; a cover plate is fixedly connected in the ventilation drying port; a plurality of through grooves are uniformly formed in the cover plate; the outer ring of the shaftless spiral blade can be in sliding fit with the bottom surface of the cover plate.
Preferably, a plurality of convex scraping plates are uniformly and fixedly connected to the periphery of the shaftless spiral blade; the scraping plate has elasticity; the scraping plate can be in sliding fit with the inner wall of the conveying pipeline; thereby improving the drying efficiency of the wet starch-based porous material.
Preferably, the bottom of the drying tower is rotatably provided with a first rotating rod in a penetrating way; a second motor is fixedly connected to the bottom surface of the drying tower; the rotating shaft of the second motor is fixedly connected with the bottom end of the first rotating rod; the top of the first rotating rod is fixedly connected with a first fan blade; thereby increasing the rate of water vapor removal and increasing the rate of drying of the wet starch-based porous material.
Preferably, the inside of the hot air ring cavity is fixedly connected with a spiral reinforcing slat; the reinforcing strip plate is positioned above the air outlet hole; through the reinforcement lath that sets up in hot-blast ring chamber inside for the hot-blast edge reinforcement lath spiral downwardly moving of entering hot-blast ring chamber has improved the heating effect of hot-blast to drying tower inside, and has strengthened drying tower's bulk strength through the reinforcement lath.
Preferably, an air extraction structure is arranged at the top of the drying tower; the air extraction structure comprises a shell; the top surface of the drying tower is fixedly connected with a shell; the bottom of the shell is communicated with the inside of the air outlet; a rotating cavity is formed at the top of the inner cavity of the shell; the top surface of the shell and the bottom surface of the rotating cavity are provided with a plurality of air outlet grooves; a second rotating rod is rotatably arranged in the middle of the rotating cavity; the middle outer ring of the second rotating rod is fixedly connected with a second fan blade; the second fan blade is positioned in the rotating cavity; a third motor is fixedly connected to the side face of the shell; the rotating shaft of the third motor is connected with the top end of the second rotating rod through belt transmission.
Preferably, the bottom surface of the inner cavity of the shell is bolted with a collecting box; the bottom inlet of the rotating cavity is positioned in the middle of the collecting box; an adsorption plate is inserted into the collection box; the adsorption plate is of an equal sector structure; the dust of the starch-based porous material in the hot air can be adsorbed and aggregated by the adsorption plate, so that the loss of the starch-based porous material is reduced.
Preferably, a feeding box is arranged on one side of the drying tower, which is close to the feeding port of the conveying pipeline; a discharging opening is formed in the bottom of the feeding box; the feed opening of the feeding box is communicated with the feed opening of the conveying pipeline; the height of the feeding box is higher than that of the feeding hole of the conveying pipeline.
Preferably, the feeding box is cylindrical; a third rotating rod is rotatably arranged in the middle of the inner cavity of the feeding box; the outer ring of the third rotating rod is fixedly connected with a cross partition plate; the outer wall of the cross partition plate can be in sliding fit with the inner wall of the feeding box; a fourth motor is fixedly connected to the top surface of the feeding box; the rotating shaft of the fourth motor is fixedly connected with the top end of the third rotating rod; the probability of pollution of the starch-based porous material during drying and feeding is reduced, and meanwhile, the probability of hot air entering a feeding box is reduced in a relatively sealed feeding mode; the mode of separating, storing and feeding effectively reduces the hardening condition of the wet starch-based porous material.
The preparation method of the starch-based porous material adopts the preparation device of the starch-based porous material, and comprises the following steps:
s1: mixing and stirring starch and water to obtain mixed emulsion;
s2: putting the mixed emulsion into an extruder, and extruding to prepare a starch-based material;
s3: crushing a starch-based material, adding the crushed starch-based material into a protease solution for hydrolysis, and adjusting the pH value to 6.0-8.0 to obtain a wet starch-based porous material;
S4: the wet starch-based porous material is put into a feeding box, a motor I drives a shaftless helical blade to move in a conveying pipeline, meanwhile, hot air generated by a hot air furnace is sent into a hot air annular cavity and is upwards discharged into a drying tower through an air outlet, and the starch-based porous material conveyed in the conveying pipeline is dried;
s5: meanwhile, the shaftless spiral blades and the scraping plates can turn over and lift the starch-based porous material in the conveying pipeline to obtain the dried and loose starch-based porous material.
The beneficial effects of the invention are as follows:
1. The invention relates to a preparation method and a device of a starch-based porous material, wherein a drying tower, a conveying pipeline, a shaftless spiral blade, a first motor and a scraping plate are arranged; the first motor drives the connecting swivel mount to rotate, drives the shaftless helical blade to rotate in the conveying pipeline, drives the scraping plate to rotate, and the shaftless helical blade separates and conveys the wet starch-based porous material along the conveying pipeline, meanwhile, the wet starch-based porous material is continuously overturned and lifted by the cooperation of the scraping plate, and the wet starch-based porous material is dried by high-temperature hot air generated by the hot air furnace, so that the loosening degree of the starch-based porous material is ensured, and the subsequent crushing procedure of the starch-based porous material is reduced; and then the preparation efficiency of the starch-based porous material is improved.
2. The invention relates to a preparation method and a device of a starch-based porous material, wherein a feeding box, a third rotating rod, a cross baffle and a fourth motor are arranged; the cross partition plate divides the feeding box into a plurality of relatively sealed chambers; the fourth motor drives the third rotating rod to rotate, so that the cavity for storing the starch-based porous material rotates to the position of the discharging opening of the feeding box to perform discharging, and meanwhile, the empty cavity rotates to the position of the feeding opening of the feeding box; the probability of pollution of the starch-based porous material during drying and feeding is reduced, and meanwhile, the probability of hot air entering a feeding box is reduced in a relatively sealed feeding mode; the mode of separating, storing and feeding effectively reduces the hardening condition of the wet starch-based porous material.
Drawings
The invention is further described below with reference to the accompanying drawings.
FIG. 1 is a perspective view of a manufacturing apparatus of the present invention;
FIG. 2 is an internal construction view of the drying tower according to the present invention;
FIG. 3 is an exploded view of the drying tower of the present invention;
FIG. 4 is a perspective view of a shaftless helical blade of the present invention;
FIG. 5 is a partial block diagram of a shaftless helical blade of the present invention;
FIG. 6 is a cross-sectional view of the pumping structure of the present invention;
FIG. 7 is a cross-sectional view of the headbox of the present invention;
FIG. 8 is an internal structural view of the headbox of the present invention;
FIG. 9 is a flow chart of a method of preparation in the present invention;
In the figure: 1. a drying tower; 2. a hot air ring cavity; 3. a hot air inlet; 4. an air outlet hole; 5. an air outlet; 6. a delivery line; 7. a ventilation drying port; 8. shaftless helical blades; 9. connecting a swivel base; 10. a motor I; 11. a cover plate; 12. a first rotating rod; 13. a motor II; 14. a first fan blade; 15. reinforcing laths; 16. a housing; 17. a rotating chamber; 18. a second rotating rod; 19. a second fan blade; 20. a third motor; 21. a collection box; 22. an adsorption plate; 23. feeding a material box; 24. a third rotating rod; 25. a cross partition; 26. a fourth motor; 27. a scraper.
Detailed Description
The invention is further described in connection with the following detailed description in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the invention easy to understand.
As shown in fig. 1 to 3, a preparation device for starch-based porous materials according to an embodiment of the present invention includes a drying tower 1; a hot air ring cavity 2 is formed in the wall of the drying tower 1; a hot air inlet 3 is fixedly connected to the top of one side of the drying tower 1; one end of the hot air inlet 3 is communicated with the hot air annular cavity 2; the other end of the hot air inlet 3 is communicated with a hot air furnace; the inner wall of the bottom of the drying tower 1 is provided with a plurality of air outlet holes 4 in a surrounding mode; the air outlet hole 4 is communicated with the bottom of the hot air annular cavity 2; an air outlet 5 is formed in the top surface of the drying tower 1; a spiral conveying pipeline 6 is arranged in the drying tower 1; the top and the bottom of the conveying pipeline 6 are horizontal straight pipelines; the top and the bottom of the conveying pipeline 6 penetrate through the tower wall of the drying tower 1; the top surface of the top of the conveying pipeline 6 is communicated with a feed inlet; the bottom surface of the bottom of the conveying pipeline 6 is communicated with a discharge hole; the top surface of the spiral part of the conveying pipeline 6 is provided with a ventilation drying port 7; when the method is in operation, the prepared starch-based porous material contains a large amount of water and needs to be dried; adding a wet starch-based porous material into the conveying pipeline 6 through a feed inlet of the conveying pipeline 6, enabling the wet starch-based multi-Kong Cailiao to enter the drying tower 1 along the spiral conveying pipeline 6, and discharging from a discharge outlet at the bottom of the conveying pipeline 6; when the moist starch-based porous material spirally and slowly moves in the drying tower 1, hot air generated by the hot air furnace enters the hot air annular cavity 2 of the drying tower 1 through the hot air inlet 3, the interior of the drying tower 1 is heated by the hot air, and moves downwards along the hot air annular cavity 2 to the bottom of the drying tower 1, then is upwards discharged into the interior of the drying tower 1 through the air outlet 4, the hot air is upwards discharged out of the drying tower 1 through the air outlet 5, and the moisture of the moist starch-based porous material in the conveying pipeline 6 is carried by the hot air and is discharged out of the drying tower 1 through the air outlet 5; the wet starch-based porous material is dried, and the starch-based porous material is continuously turned over in the conveying pipeline 6 in the process of spirally downwards moving the starch-based porous material, so that the loosening degree of the starch-based porous material is ensured, and the subsequent crushing process of the starch-based porous material is reduced; and then the preparation efficiency of the starch-based porous material is improved.
As shown in fig. 1 to 4, the conveying pipeline 6 is internally rotatably provided with shaftless helical blades 8; the shaftless helical blade 8 has elasticity; the top and the bottom of the conveying pipeline 6 are rotatably provided with a connecting swivel mount 9; the connecting swivel mount 9 is fixedly connected with the end part of the shaftless spiral blade 8; a first motor 10 is arranged at the top of the conveying pipeline 6; the rotating shaft of the first motor 10 is fixedly connected with the connecting rotating seat 9 at the top; a cover plate 11 is fixedly connected inside the ventilation drying port 7; a plurality of through grooves are uniformly formed in the cover plate 11; the outer ring of the shaftless helical blade 8 can be in sliding fit with the bottom surface of the cover plate 11; a plurality of convex scraping plates 27 are uniformly and fixedly connected to the periphery of the shaftless helical blade 8; the scraper 27 has elasticity; the scraping plate 27 can be in sliding fit with the inner wall of the conveying pipeline 6; when the wet starch-based porous material is added into the conveying pipeline 6 through the feed inlet of the conveying pipeline 6 in operation, the motor 10 drives the connecting rotary seat 9 to rotate so as to drive the shaftless helical blade 8 to rotate in the conveying pipeline 6, and the connecting rotary seat 9 arranged at the bottom of the conveying pipeline 6 can be added with a motor at the bottom of the conveying pipeline 6 according to requirements so as to enhance the rotating power of the shaftless helical blade 8; the shaftless spiral blade 8 rotates to drive the scraping plate 27 to rotate, the shaftless spiral blade 8 separates and conveys the wet starch-based porous material along the conveying pipeline 6, meanwhile, the wet starch-based porous material is continuously overturned and lifted by the cooperation of the scraping plate 27, and meanwhile, the cover plate 11 and the through groove can effectively dry the wet starch-based porous material and ensure the discharge of water vapor; thereby improving the drying efficiency of the wet starch-based porous material.
As shown in fig. 1 to 3, a first rotary rod 12 is rotatably installed at the bottom of the drying tower 1; a second motor 13 is fixedly connected to the bottom surface of the drying tower 1; the rotating shaft of the second motor 13 is fixedly connected with the bottom end of the first rotating rod 12; the top of the first rotating rod 12 is fixedly connected with a first fan blade 14; during operation, the second motor 13 drives the first rotating rod 12 to rotate and drives the first fan blade 14 to rotate, when high-temperature hot air is upwards discharged into the drying tower 1 from the air outlet 4, the first fan blade 14 rotates, the speed of the high-temperature hot air passing through the drying tower 1 is increased, and accordingly the water vapor discharge rate is improved, and the drying rate of the wet starch-based porous material is improved.
As shown in fig. 2, a spiral reinforcing strip plate 15 is fixedly connected in the hot air annular cavity 2; the reinforcing strip plate 15 is positioned above the air outlet 4; through the reinforcement lath 15 that sets up in hot-blast ring chamber 2 inside for the hot-blast edge reinforcement lath 15 spiral that gets into hot-blast ring chamber 2 moves downwards, has improved the heating effect of hot-blast to drying tower 1 inside, and has strengthened drying tower 1's bulk strength through reinforcement lath 15.
As shown in fig. 1 to 6, the top of the drying tower 1 is provided with an air extraction structure; the pumping structure includes a housing 16; a shell 16 is fixedly connected to the top surface of the drying tower 1; the bottom of the shell 16 is communicated with the inside of the air outlet 5; a rotating cavity 17 is formed at the top of the inner cavity of the shell 16; the top surface of the shell 16 and the bottom surface of the rotating cavity 17 are provided with a plurality of air outlet grooves; a second rotating rod 18 is rotatably arranged in the middle of the rotating cavity 17; the middle outer ring of the second rotating rod 18 is fixedly connected with a second fan blade 19; the second fan blade 19 is positioned in the rotating cavity 17; a third motor 20 is fixedly connected to the side surface of the shell 16; the rotating shaft of the third motor 20 is in transmission connection with the top end of the second rotating rod 18 through a belt; the bottom surface of the inner cavity of the shell 16 is bolted with a collecting box 21; the bottom inlet of the rotating chamber 17 is positioned in the middle of the collecting box 21; an adsorption plate 22 is inserted into the collection box 21; the adsorption plate 22 is of an equal sector structure of the adsorption plate 22; during operation, the third motor 20 drives the second rotating rod 18 to rotate through belt transmission, the second fan blade 19 is driven to rotate in the rotating cavity 17, gas in the drying tower 1 is upwards discharged out of the drying tower 1, efficiency of hot air carrying moisture out of the drying tower 1 is improved, a small amount of starch-based porous material dust can be contained in discharged hot air, after the hot air enters the inside of the shell 16, the hot air can pass through the collecting box 21 and then is discharged out of the shell 16, and when the hot air enters the inside of the collecting box 21, the starch-based porous material dust in the hot air can be adsorbed and gathered by the adsorption plate 22, so that loss of starch-based porous materials is reduced.
As shown in fig. 1, 7 and 8, a feeding box 23 is arranged on one side of the drying tower 1 close to the feed inlet of the conveying pipeline 6; a discharging opening is formed in the bottom of the feeding box 23; the discharging opening of the feeding box 23 is communicated with the feeding opening of the conveying pipeline 6; the height of the feeding box 23 is higher than the height of the feeding port of the conveying pipeline 6; the feeding box 23 is cylindrical; a third rotating rod 24 is rotatably arranged in the middle of the inner cavity of the feeding box 23; the outer ring of the third rotating rod 24 is fixedly connected with a cross partition plate 25; the outer wall of the cross partition plate 25 can be in sliding fit with the inner wall of the feeding box 23; a fourth motor 26 is fixedly connected to the top surface of the feeding box 23; the rotating shaft of the fourth motor 26 is fixedly connected with the top end of the third rotating rod 24; when the feeding box 23 is divided into a plurality of relatively sealed chambers by the cross partition plate 25 in operation, and when the moist starch-based porous material in one chamber is added into the feeding box 23, the motor 26 IV drives the rotary rod 24 III to rotate to drive the cross partition plate 25 to rotate the angle of one chamber, so that the chamber for storing the starch-based porous material rotates to the feeding opening of the feeding box 23 for feeding, and simultaneously, the empty chamber rotates to the feeding opening of the feeding box 23; the probability of pollution of the starch-based porous material during drying and feeding is reduced, and meanwhile, the probability of hot air entering the feeding box 23 is reduced in a relatively sealed feeding mode; the mode of separating, storing and feeding effectively reduces the hardening condition of the wet starch-based porous material.
As shown in fig. 9, a preparation method of a starch-based porous material, which adopts the preparation device of a starch-based porous material, comprises the following steps:
s1: mixing and stirring starch and water to obtain mixed emulsion;
s2: putting the mixed emulsion into an extruder, and extruding to prepare a starch-based material;
s3: crushing a starch-based material, adding the crushed starch-based material into a protease solution for hydrolysis, and adjusting the pH value to 6.0-8.0 to obtain a wet starch-based porous material;
S4: the wet starch-based porous material is put into a feeding box 23, a motor 10 drives a shaftless helical blade 8 to move in a conveying pipeline 6, meanwhile, hot air generated by a hot air furnace is sent into a hot air annular cavity 2 and is discharged upwards into a drying tower 1 through an air outlet 4, and the starch-based porous material conveyed in the conveying pipeline 6 is dried;
S5: simultaneously, the shaftless helical blade 8 and the scraping plate 27 can overturn and lift the starch-based porous material in the conveying pipeline 6 to obtain the dried and loose starch-based porous material.
Working principle: mixing and stirring starch and water to obtain mixed emulsion; putting the mixed emulsion into an extruder, and extruding to prepare a starch-based material; crushing a starch-based material, adding the crushed starch-based material into a protease solution for hydrolysis, and adjusting the pH value to 6.0-8.0 to obtain a wet starch-based porous material;
When the moist starch-based porous material is added into the feeding box 23, after the moist starch-based porous material in one chamber is added, the motor 26 IV drives the rotating rod 24 III to rotate, and drives the cross partition 25 to rotate by the angle of one chamber, so that the chamber for storing the starch-based porous material rotates to the discharging opening of the feeding box 23 for discharging;
The wet starch-based porous material is added into the conveying pipeline 6 through a feed inlet of the conveying pipeline 6, a first motor 10 drives a connecting rotary seat 9 to rotate and drives a shaftless spiral blade 8 to rotate in the conveying pipeline 6, and the connecting rotary seat 9 arranged at the bottom of the conveying pipeline 6 can be used for adding a motor at the bottom of the conveying pipeline 6 according to requirements so as to enhance the rotating power of the shaftless spiral blade 8; the shaftless spiral blade 8 rotates to drive the scraping plate 27 to rotate, the shaftless spiral blade 8 separates and conveys the wet starch-based porous material along the conveying pipeline 6, and meanwhile, the scraping plate 27 is matched to continuously overturn and lift the wet starch-based porous material;
meanwhile, high-temperature hot air generated by the hot air furnace enters the inside of the hot air annular cavity 2 of the drying tower 1 through the hot air inlet 3, and the reinforcing strips 15 are arranged, so that the high-temperature hot air entering the hot air annular cavity 2 moves downwards along the reinforcing strips 15 in a spiral manner; the interior of the drying tower 1 is heated by the high-temperature hot air, and the high-temperature hot air moves downwards to the bottom of the drying tower 1 along the hot air ring cavity 2 and is discharged upwards into the interior of the drying tower 1 through the air outlet 4; at this time, the second motor 13 drives the first rotating rod 12 to rotate and the first fan blade 14 to rotate, so that the speed of high-temperature hot air passing through the drying tower 1 is increased;
Moisture of the wet starch-based porous material in the conveying pipeline 6 is carried upwards by hot air to enter the air outlet 5, at the moment, the third motor 20 drives the second rotary rod 18 to rotate through belt transmission to drive the second fan blade 19 to rotate in the rotary cavity 17, gas in the drying tower 1 is upwards discharged out of the drying tower 1, efficiency of carrying the moisture by the hot air out of the drying tower 1 is improved, the discharged hot air contains a small amount of starch-based porous material dust, after entering the shell 16, the hot air passes through the collecting box 21 and then is discharged out of the shell 16, and when the hot air enters the collecting box 21, the starch-based porous material dust in the hot air is adsorbed and collected by the adsorption plate 22;
The wet starch-based porous material is dried, and the starch-based porous material is continuously turned over in the conveying pipeline 6 in the process of spirally downwards moving the starch-based porous material, so that the loosening degree of the starch-based porous material is ensured, and the subsequent crushing process of the starch-based porous material is reduced; and then the preparation efficiency of the starch-based porous material is improved.
The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined in the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (8)
1. The utility model provides a preparation facilities of starch-based porous material which characterized in that: comprises a drying tower (1); a hot air ring cavity (2) is formed in the tower wall of the drying tower (1); a hot air inlet (3) is fixedly connected to the top of one side of the drying tower (1); one end of the hot air inlet (3) is communicated with the hot air annular cavity (2); the other end of the hot air inlet (3) is communicated with a hot air furnace; a plurality of air outlet holes (4) are formed in the inner wall of the bottom of the drying tower (1) in a surrounding mode; the air outlet hole (4) is communicated with the bottom of the hot air annular cavity (2); an air outlet (5) is formed in the top surface of the drying tower (1); a spiral conveying pipeline (6) is arranged in the drying tower (1); the top and the bottom of the conveying pipeline (6) are horizontal straight pipelines; the top and the bottom of the conveying pipeline (6) penetrate through the tower wall of the drying tower (1); the top surface of the top of the conveying pipeline (6) is communicated with a feed inlet; the bottom surface of the bottom of the conveying pipeline (6) is communicated with a discharge hole; the top surface of the spiral part of the conveying pipeline (6) is provided with a ventilation drying port (7);
A shaftless helical blade (8) is rotatably arranged in the conveying pipeline (6); the shaftless helical blade (8) has elasticity; the top and the bottom of the conveying pipeline (6) are rotatably provided with a connecting swivel mount (9); the connecting swivel mount (9) is fixedly connected with the end part of the shaftless spiral blade (8); a first motor (10) is arranged at the top of the conveying pipeline (6); the rotating shaft of the first motor (10) is fixedly connected with the connecting rotating seat (9) at the top; a cover plate (11) is fixedly connected in the ventilation drying opening (7); a plurality of through grooves are uniformly formed in the cover plate (11); the outer ring of the shaftless spiral blade (8) can be in sliding fit with the bottom surface of the cover plate (11);
a plurality of convex scraping plates (27) are uniformly and fixedly connected to the periphery of the shaftless spiral blade (8); the scraper (27) has elasticity; the scraping plate (27) can be in sliding fit with the inner wall of the conveying pipeline (6).
2. The device for preparing a starch-based porous material according to claim 1, wherein: a first rotating rod (12) is rotatably and penetratingly arranged at the bottom of the drying tower (1); a second motor (13) is fixedly connected to the bottom surface of the drying tower (1); the rotating shaft of the second motor (13) is fixedly connected with the bottom end of the first rotating rod (12); the top of the first rotating rod (12) is fixedly connected with a first fan blade (14).
3. The device for preparing a starch-based porous material according to claim 1, wherein: the inside of the hot air ring cavity (2) is fixedly connected with a spiral reinforcing slat (15); the reinforcing strip plate (15) is positioned above the air outlet hole (4).
4. The device for preparing a starch-based porous material according to claim 1, wherein: an air extraction structure is arranged at the top of the drying tower (1); the pumping structure comprises a housing (16); the top surface of the drying tower (1) is fixedly connected with a shell (16); the bottom of the shell (16) is communicated with the inside of the air outlet (5); a rotating cavity (17) is formed at the top of the inner cavity of the shell (16); the top surface of the shell (16) and the bottom surface of the rotating cavity (17) are provided with a plurality of air outlet grooves; a second rotating rod (18) is rotatably arranged in the middle of the rotating cavity (17); the middle outer ring of the second rotating rod (18) is fixedly connected with a second fan blade (19); the second fan blade (19) is positioned in the rotating cavity (17); a third motor (20) is fixedly connected to the side surface of the shell (16); the rotating shaft of the third motor (20) is connected with the top end of the second rotating rod (18) through belt transmission.
5. The device for preparing a starch-based porous material according to claim 4, wherein: the bottom surface of the inner cavity of the shell (16) is bolted with a collecting box (21); the bottom inlet of the rotating cavity (17) is positioned in the middle of the collecting box (21); an adsorption plate (22) is inserted into the collection box (21); the adsorption plate (22) is of an equal sector structure, and the adsorption plate (22) is of an equal sector structure.
6. The device for preparing a starch-based porous material according to claim 1, wherein: a feeding box (23) is arranged at one side of the drying tower (1) close to the feed inlet of the conveying pipeline (6); a discharging opening is formed in the bottom of the feeding box (23); the discharging opening of the feeding box (23) is communicated with the feeding opening of the conveying pipeline (6); the height of the feeding box (23) is higher than the height of the feeding hole of the conveying pipeline (6).
7. The device for preparing a starch-based porous material according to claim 6, wherein: the feeding box (23) is cylindrical; a third rotating rod (24) is rotatably arranged in the middle of the inner cavity of the feeding box (23); the outer ring of the third rotating rod (24) is fixedly connected with a cross partition plate (25); the outer wall of the cross partition plate (25) can be in sliding fit with the inner wall of the feeding box (23); a fourth motor (26) is fixedly connected to the top surface of the feeding box (23); the rotating shaft of the fourth motor (26) is fixedly connected with the top end of the third rotating rod (24).
8. A preparation method of a starch-based porous material is characterized by comprising the following steps: the preparation method adopts the preparation device of the starch-based porous material as claimed in any one of claims 1 to 7, and comprises the following steps:
s1: mixing and stirring starch and water to obtain mixed emulsion;
s2: putting the mixed emulsion into an extruder, and extruding to prepare a starch-based material;
s3: crushing a starch-based material, adding the crushed starch-based material into a protease solution for hydrolysis, and adjusting the pH value to 6.0-8.0 to obtain a wet starch-based porous material;
S4: the wet starch-based porous material is put into a feeding box (23), a first motor (10) drives a shaftless helical blade (8) to move in a conveying pipeline (6), meanwhile, hot air generated by a hot air furnace is sent into a hot air annular cavity (2) and is discharged upwards into a drying tower (1) through an air outlet hole (4), and the starch-based porous material conveyed in the conveying pipeline (6) is dried;
S5: simultaneously, the shaftless spiral blade (8) and the scraping plate (27) can overturn and lift the starch-based porous material in the conveying pipeline (6) to obtain the dried and loose starch-based porous material.
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Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02253860A (en) * | 1989-03-28 | 1990-10-12 | Iwai Kikai Kogyo Kk | Freeze crushing, mixing, pulverizing and continuously processing device |
| JP2006264963A (en) * | 2005-03-25 | 2006-10-05 | Sumitomo Osaka Cement Co Ltd | Rotary drum conveyor |
| CN207221863U (en) * | 2017-08-31 | 2018-04-13 | 湖南优久农牧有限公司 | The accurate charging device of premix |
| CN210256821U (en) * | 2019-07-17 | 2020-04-07 | 山西纽维尔环保科技有限公司 | Starch-based plastic drying tower |
| CN110981559A (en) * | 2019-12-18 | 2020-04-10 | 浙江大学 | Continuous feeding and full mixing type biological drying equipment and method without temperature rise period |
| KR20220003679A (en) * | 2020-07-01 | 2022-01-11 | 정하익 | Seperation, crushing, dewatering, incineration, landfill, treatment, recycling equipment and method for waste, sludge, aggregate, rock |
| CN114276577A (en) * | 2021-12-30 | 2022-04-05 | 江南大学 | Preparation method of starch-based porous material |
| CN115122664A (en) * | 2022-07-29 | 2022-09-30 | 安徽杰伟挤出机械制造有限公司 | Sheet production line is extruded to maize starch base degradable cutlery box |
| CN217526395U (en) * | 2022-06-22 | 2022-10-04 | 山东金洋药业有限公司 | Drying tower is used in dextran production |
| CN218486070U (en) * | 2022-06-21 | 2023-02-17 | 宁波以马内利机械设备有限公司 | Processing equipment for starch production |
| CN218530641U (en) * | 2022-10-13 | 2023-02-28 | 济南逆火新材料有限公司 | A hot machine that mixes for fire retardant production |
| CN116465187A (en) * | 2023-04-06 | 2023-07-21 | 徐州市金彭面粉加工有限公司 | Grain drying equipment |
| CN219563775U (en) * | 2023-03-21 | 2023-08-22 | 喀左嘉盛塑业科技有限公司 | Plastic raw material uniform stirring device |
-
2024
- 2024-02-23 CN CN202410202394.2A patent/CN117774177B/en active Active
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02253860A (en) * | 1989-03-28 | 1990-10-12 | Iwai Kikai Kogyo Kk | Freeze crushing, mixing, pulverizing and continuously processing device |
| JP2006264963A (en) * | 2005-03-25 | 2006-10-05 | Sumitomo Osaka Cement Co Ltd | Rotary drum conveyor |
| CN207221863U (en) * | 2017-08-31 | 2018-04-13 | 湖南优久农牧有限公司 | The accurate charging device of premix |
| CN210256821U (en) * | 2019-07-17 | 2020-04-07 | 山西纽维尔环保科技有限公司 | Starch-based plastic drying tower |
| CN110981559A (en) * | 2019-12-18 | 2020-04-10 | 浙江大学 | Continuous feeding and full mixing type biological drying equipment and method without temperature rise period |
| KR20220003679A (en) * | 2020-07-01 | 2022-01-11 | 정하익 | Seperation, crushing, dewatering, incineration, landfill, treatment, recycling equipment and method for waste, sludge, aggregate, rock |
| CN114276577A (en) * | 2021-12-30 | 2022-04-05 | 江南大学 | Preparation method of starch-based porous material |
| CN218486070U (en) * | 2022-06-21 | 2023-02-17 | 宁波以马内利机械设备有限公司 | Processing equipment for starch production |
| CN217526395U (en) * | 2022-06-22 | 2022-10-04 | 山东金洋药业有限公司 | Drying tower is used in dextran production |
| CN115122664A (en) * | 2022-07-29 | 2022-09-30 | 安徽杰伟挤出机械制造有限公司 | Sheet production line is extruded to maize starch base degradable cutlery box |
| CN218530641U (en) * | 2022-10-13 | 2023-02-28 | 济南逆火新材料有限公司 | A hot machine that mixes for fire retardant production |
| CN219563775U (en) * | 2023-03-21 | 2023-08-22 | 喀左嘉盛塑业科技有限公司 | Plastic raw material uniform stirring device |
| CN116465187A (en) * | 2023-04-06 | 2023-07-21 | 徐州市金彭面粉加工有限公司 | Grain drying equipment |
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