CN113720138A - Multistage drying system of modified starch - Google Patents
Multistage drying system of modified starch Download PDFInfo
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- CN113720138A CN113720138A CN202110945270.XA CN202110945270A CN113720138A CN 113720138 A CN113720138 A CN 113720138A CN 202110945270 A CN202110945270 A CN 202110945270A CN 113720138 A CN113720138 A CN 113720138A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B17/00—Machines or apparatus for drying materials in loose, plastic, or fluidised form, e.g. granules, staple fibres, with progressive movement
- F26B17/10—Machines or apparatus for drying materials in loose, plastic, or fluidised form, e.g. granules, staple fibres, with progressive movement with movement performed by fluid currents, e.g. issuing from a nozzle, e.g. pneumatic, flash, vortex or entrainment dryers
- F26B17/101—Machines or apparatus for drying materials in loose, plastic, or fluidised form, e.g. granules, staple fibres, with progressive movement with movement performed by fluid currents, e.g. issuing from a nozzle, e.g. pneumatic, flash, vortex or entrainment dryers the drying enclosure having the shape of one or a plurality of shafts or ducts, e.g. with substantially straight and vertical axis
- F26B17/105—Machines or apparatus for drying materials in loose, plastic, or fluidised form, e.g. granules, staple fibres, with progressive movement with movement performed by fluid currents, e.g. issuing from a nozzle, e.g. pneumatic, flash, vortex or entrainment dryers the drying enclosure having the shape of one or a plurality of shafts or ducts, e.g. with substantially straight and vertical axis the shaft or duct, e.g. its axis, being other than straight, i.e. curved, zig-zag, closed-loop, spiral
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/02—Particle separators, e.g. dust precipitators, having hollow filters made of flexible material
- B01D46/023—Pockets filters, i.e. multiple bag filters mounted on a common frame
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/02—Particle separators, e.g. dust precipitators, having hollow filters made of flexible material
- B01D46/04—Cleaning filters
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
- C08B30/00—Preparation of starch, degraded or non-chemically modified starch, amylose, or amylopectin
- C08B30/06—Drying; Forming
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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
- F26B21/004—Nozzle assemblies; Air knives; Air distributors; Blow boxes
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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
- F26B25/002—Handling, e.g. loading or unloading arrangements for bulk goods
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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
- F26B25/005—Treatment of dryer exhaust gases
- F26B25/007—Dust filtering; Exhaust dust filters
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- Drying Of Solid Materials (AREA)
Abstract
The invention provides a modified starch multi-stage drying system, which comprises: the invention can select to singly start the primary drying equipment or simultaneously start the primary drying equipment and the secondary drying equipment according to the requirement of the water content of the modified starch to produce different products, simultaneously can lead the powder to be more uniform and brighter, can recycle the materials escaping in the production process, and not only improves the quality of the production environment, moreover, the use efficiency of the modified starch raw material is improved.
Description
Technical Field
The invention relates to the technical field of adhesive production equipment, in particular to a modified starch multi-stage drying system.
Background
In order to improve the performance of the starch and expand the application range of the starch, a physical, chemical or enzymatic treatment is utilized to introduce new functional groups on starch molecules or change the size of the starch molecules and the properties of starch granules, thereby changing the natural characteristics of the starch and enabling the starch to be more suitable for the requirements of certain applications. This starch that has undergone secondary processing to change properties is collectively referred to as destructurized starch. In the last decade, the yield of the world modified starch is rapidly increased, and the annual yield of the world modified starch is close to more than 800 million tons currently, wherein more than 300 million tons in the United states, more than 200 million tons in Europe, more than 60 million tons in Japan, more than 50 million tons in Thailand and more than 100 million tons in China. The annual demand is between 150 and 400 ten thousand tons calculated according to the quantity of the modified starch required by various industries in China. At present, the application prospect of the modified starch is very wide, and if the research, the application and the popularization in the field are increased, the production of the modified starch can be rapidly developed.
However, most of the existing modified starch drying methods directly dry by a heat source, which results in uneven drying and lower drying efficiency, and moreover, the modified starch escapes in the drying process, which causes dust pollution and poor workshop environment.
Disclosure of Invention
The technical problem to be solved by the invention is to provide a modified starch multi-stage drying system to solve the problems in the background art.
The technical problem solved by the invention is realized by adopting the following technical scheme: a modified starch multistage drying system includes: the drying device comprises a primary drying device and a secondary drying device, wherein the primary drying device and the secondary drying device are connected in series, a drying conveying pipe is arranged between the primary drying device and the secondary drying device, a conveying driving fan is arranged at the lower end of the drying conveying pipe, a plurality of pulse dispersion pipes are arranged on the drying conveying pipe, an input port of the conveying driving fan is connected to a discharge port of the primary drying device through a primary blanking device, a feed port of the primary drying device is connected to an output port of the feeding fan through a feeding pipe, a feeding hopper is arranged on the input port of the feeding fan, an air outlet at the upper end of the primary drying device is connected to a primary dedusting recovery device through a primary recovery circulation pipeline, an air outlet at the upper end of the secondary drying device is connected to a secondary dedusting recovery device through a secondary recovery circulation pipeline, and a material packing device is arranged at a discharge port at the lower end of the secondary drying device, the dust generating point of the primary drying equipment and the secondary drying equipment is connected to the feed inlets of the primary dust removal recovery device and the secondary dust removal recovery device through dust collection hoses, the dust collection hoses are mounted on the equipment support through hose support frames, and the discharge outlets at the lower ends of the primary dust removal recovery device and the secondary dust removal recovery device are conveyed to the feeding fan or the input port of the conveying driving fan through the feeding device.
One-level drying equipment includes one-level stoving husky ke long I, one-level stoving husky ke long II, one-level stoving husky ke long I's feed inlet passes through material loading union coupling on the delivery outlet of material loading fan, one-level stoving husky ke long I's feed opening passes through the conveying pipeline and connects in one-level stoving husky ke long II's feed inlet, one-level stoving husky ke long II's feed opening passes through one-level unloader and connects in the input port of carrying the driving fan, and one-level stoving husky ke long I, the gas outlet of one-level stoving husky ke long II upper end are passed through one-level recovery circulation pipe and are connected in one-level dust removal recovery unit.
Connect to be equipped with the mill on one-level dust removal recovery unit lower extreme discharge gate through one-level recovery circulating line, the feed opening of mill passes through the conveying pipeline and connects in one-level stoving husky ke long II's feed inlet, is equipped with material packing apparatus on one-level unloader's the discharge gate.
Two second grade stoving husky kelong of second grade drying equipment, two second grade stoving husky kelong set up side by side, and the air inlet of second grade stoving husky kelong upper end is connected in the stoving conveying pipeline, and the air outlet of second grade stoving husky kelong upper end is passed through second grade and is retrieved circulating line and connect in second grade dust removal recovery unit, is equipped with on the second grade stoving husky kelong lower extreme discharge gate and closes the wind ware, is equipped with material packing apparatus on the discharge gate of closing the wind ware.
The drying device is characterized in that a U-shaped bent pipe is arranged at the upper end of the drying conveying pipe, the lower end of the drying conveying pipe is connected to an output port of the conveying driving fan through a connecting flange, the upper end of the drying conveying pipe is connected to a feed port of secondary drying equipment through a connecting flange, and the drying conveying pipe is 10-20m in height and 20-40mm in diameter.
The hose support frame includes the support fixing base, install the support mounting base on the support fixing base, the support mounting base passes through fixing bolt and installs on the support fixing base, be equipped with a plurality of hose fixed support arms on the support mounting base, head and the tail fixed connection between the hose fixed support arm, hose fixed support arm outer end is equipped with a plurality of hoses and supports the regulating arm, and head and the tail swivelling joint between the regulating arm is supported to the hose, the hose supports the regulating arm outer end and is equipped with dust absorption end fixing base, is equipped with the dust absorption end on the dust absorption end fixing base.
The hose supporting and adjusting arm comprises a left supporting rod and a right supporting rod, the left supporting rod and the right supporting rod are arranged in parallel, two ends of the left supporting rod and the right supporting rod are mounted on the supporting rod mounting seat through rotating supporting shafts, an adjusting driving cylinder is arranged between the middle of the right supporting rod and one end of the left supporting rod, and the adjusting driving cylinder is mounted between the left supporting rod and the right supporting rod through the rotating supporting shafts; the outer sides of the hose fixing support arm and the hose support adjusting arm are provided with a plurality of binding band fixing buckles, and the dust collection hose is arranged on the binding band fixing buckles through hose fixing binding bands.
The primary dust removal recovery device and the secondary dust removal recovery device comprise material recovery boxes which are arranged in a recovery box mounting bracket, the lower end of the recycling bin mounting bracket is mounted on the equipment supporting frame, the upper side of the material recycling bin is provided with a dust input bin body, a plurality of collecting cloth bags are arranged in the material recovery box, a pulse dust collector is arranged on the upper side of each collecting cloth bag, a dust input pipe is arranged on one side of the dust input box body, the dust input pipe is connected with a dust generation point of the drying device through a dust collection hose, a blast fan is arranged on the dust collection hose, a tail gas emptying pipe is arranged on one side of the material recovery box, a material collecting hopper is arranged on the lower side of the material recovery box, a discharge port at the lower end of the material collecting hopper is provided with a discharge valve, the discharge port of the discharge valve is arranged on the recycling storage box, the recycling storage box is conveyed to an input port of the feeding fan or the conveying driving fan through the material conveying device.
The pulse dust collector comprises a cloth bag mounting plate, a plurality of cloth bag mounting holes are formed in the cloth bag mounting plate, the collecting cloth bag is mounted on the cloth bag mounting holes in the cloth bag mounting plate, and a cloth bag pulse cleaning device is arranged on the upper side of each cloth bag mounting hole; the cloth bag pulse cleaning device comprises a pulse cleaning head, the pulse cleaning head is arranged on the upper side of a cloth bag mounting hole, the pulse cleaning head is mounted on a gas flow dividing pipe, the gas flow dividing pipe is mounted on a material recovery box through a flow dividing pipe mounting support, and one end of the gas flow dividing pipe is communicated with a high-pressure gas storage tank; an electromagnetic control valve is arranged between the high-pressure gas storage tank and the gas shunt pipe, a barometer and an emergency evacuation valve are arranged on the high-pressure gas storage tank, and the high-pressure gas storage tank is connected to the air pump through a high-pressure gas conveying pipe.
The material conveying device comprises a conveying pipe, one end of the conveying pipe is provided with a feeding pipe, the other end of the conveying pipe is provided with a discharging pipe, a conveying driving screw is arranged in the conveying pipe, two ends of the conveying driving screw are mounted on the conveying pipe through screw rotating supporting seats, and one end of the conveying driving screw is connected to a screw driving motor through a transmission device.
Compared with the prior art, the invention has the beneficial effects that: the invention can select to singly start the primary drying equipment or simultaneously start the primary drying equipment and the secondary drying equipment according to the requirement of the water content of the modified starch to produce different products, simultaneously can ensure that the powder is more uniform and the color and luster are brighter, and can recycle materials escaping in the production process, thereby not only improving the production environment quality, but also improving the use efficiency of the modified starch raw material.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic diagram of a secondary drying apparatus according to the present invention.
FIG. 3 is a schematic view of the hose support structure of the present invention.
Fig. 4 is a schematic view of the hose support adjustment arm of the present invention.
FIG. 5 is a schematic structural view of the dust-removing recovery device of the present invention.
FIG. 6 is a schematic view of the pulse dust collector of the present invention.
Fig. 7 is a schematic structural diagram of the material conveying device of the present invention.
Detailed Description
In the description of the present invention, it should be noted that unless otherwise specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected, mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements.
Example 1
As shown in fig. 1 to 7, a modified starch multi-stage drying system comprises: the device comprises a primary drying device and a secondary drying device, wherein the primary drying device and the secondary drying device are arranged in series, a drying conveying pipe 8 is arranged between the primary drying device and the secondary drying device, a conveying driving fan 7 is arranged at the lower end of the drying conveying pipe 8, a plurality of pulse dispersion pipes 9 are arranged on the drying conveying pipe 8, an input port of the conveying driving fan 7 is connected to a discharge port of the primary drying device through a primary blanking device 6, a feed port of the primary drying device is connected to an output port of a feeding fan 2 through a feeding pipe 3, a feeding hopper 1 is arranged on an input port of the feeding fan 2, an air outlet at the upper end of the primary drying device is connected to a primary dedusting recovery device 15 through a primary recycling circulating pipe 14, and an air outlet at the upper end of the secondary drying device is connected to a secondary dedusting recovery device 13 through a secondary recycling circulating pipe 12, be equipped with material packing apparatus 11 on the discharge gate of second grade drying equipment lower extreme, the dust generation point of one-level drying equipment, second grade drying equipment is connected on the feed inlet of one-level dust removal recovery unit 15, second grade dust removal recovery unit 13 through dust absorption hose, and dust absorption hose passes through the hose support frame and installs on the equipment support, and the discharge gate of one-level dust removal recovery unit 15, second grade dust removal recovery unit 13 lower extreme passes through material feeding unit and carries on material loading fan 2 or carry the input port of drive fan 7. One-level drying equipment includes one-level stoving husky ke long I4, one-level stoving husky ke long II5, one-level stoving husky ke long I4's feed inlet passes through material loading pipe 3 and connects on the delivery outlet of material loading fan 2, one-level stoving husky ke long I4's feed opening passes through the conveying pipeline and connects in one-level stoving husky ke long II 5's feed inlet, one-level stoving husky ke long II 5's feed opening passes through one-level unloader 6 and connects in the input port of carrying drive fan 7, and one-level stoving husky ke long I4, the gas outlet of one-level stoving husky ke long II5 upper end are retrieved circulating line 14 through the one-level and are connected in one-level dust removal recovery unit 15. Connect to be equipped with the mill on one-level dust removal recovery unit lower extreme discharge gate through one-level recovery circulating line 14, the feed opening of mill passes through the conveying pipeline and connects in the feed inlet of one-level stoving husky ke long II5, is equipped with material packing apparatus on one-level unloader 6's the discharge gate. Two second grade stoving husky ke longs 10 of second grade drying equipment, two second grade stoving husky ke longs 10 set up side by side, and the air inlet of second grade stoving husky ke longs 10 upper end is connected in stoving conveying pipeline 8, and the air outlet of second grade stoving husky ke longs 10 upper end is passed through second grade and is retrieved circulating line 12 and connect in second grade dust removal recovery unit 13, is equipped with on the second grade stoving husky ke longs 10 lower extreme discharge gate and closes the wind ware, is equipped with material packing apparatus 11 on the discharge gate of closing the wind ware. The upper end of the drying and conveying pipe 8 is provided with a U-shaped bent pipe, the lower end of the drying and conveying pipe 8 is connected to an output port of the conveying and driving fan 7 through a connecting flange, the upper end of the drying and conveying pipe 8 is connected to a feed port of secondary drying equipment through a connecting flange, and the drying and conveying pipe 8 is 10-20m in height and 20-40mm in diameter.
Example 2
As shown in fig. 1 to 7, a modified starch multi-stage drying system comprises: the device comprises a primary drying device and a secondary drying device, wherein the primary drying device and the secondary drying device are arranged in series, a drying conveying pipe 8 is arranged between the primary drying device and the secondary drying device, a conveying driving fan 7 is arranged at the lower end of the drying conveying pipe 8, a plurality of pulse dispersion pipes 9 are arranged on the drying conveying pipe 8, an input port of the conveying driving fan 7 is connected to a discharge port of the primary drying device through a primary blanking device 6, a feed port of the primary drying device is connected to an output port of a feeding fan 2 through a feeding pipe 3, a feeding hopper 1 is arranged on an input port of the feeding fan 2, an air outlet at the upper end of the primary drying device is connected to a primary dedusting recovery device 15 through a primary recycling circulating pipe 14, and an air outlet at the upper end of the secondary drying device is connected to a secondary dedusting recovery device 13 through a secondary recycling circulating pipe 12, be equipped with material packing apparatus 11 on the discharge gate of second grade drying equipment lower extreme, the dust generation point of one-level drying equipment, second grade drying equipment is connected on the feed inlet of one-level dust removal recovery unit 15, second grade dust removal recovery unit 13 through dust absorption hose, and dust absorption hose passes through the hose support frame and installs on the equipment support, and the discharge gate of one-level dust removal recovery unit 15, second grade dust removal recovery unit 13 lower extreme passes through material feeding unit and carries on material loading fan 2 or carry the input port of drive fan 7. Hose support frame includes support fixing base 61, install support mounting base 62 on the support fixing base 61, support mounting base 62 passes through fixing bolt and installs on support fixing base 61, be equipped with a plurality of hose fixed support arms 64 on the support mounting base 62, head and the tail fixed connection between the hose fixed support arm 64, hose fixed support arm 64 outer end is equipped with a plurality of hoses and supports regulating arm 65, and the hose supports head and the tail swivelling joint between the regulating arm 65, hose supports the regulating arm 65 outer end and is equipped with dust absorption end fixing base 67, is equipped with the dust absorption end on the dust absorption end fixing base 67. The hose supporting and adjusting arm 65 comprises a left supporting rod 651 and a right supporting rod 652, the left supporting rod 651 and the right supporting rod 652 are arranged in parallel, two ends of the left supporting rod 651 and the right supporting rod 652 are mounted on a supporting rod mounting seat 653 through rotating supporting shafts, an adjusting and driving cylinder 654 is arranged between the middle part of the right supporting rod 652 and one end of the left supporting rod 651, and the adjusting and driving cylinder 654 is mounted between the left supporting rod 651 and the right supporting rod 652 through rotating supporting shafts 655; the outer sides of the hose fixing support arm 64 and the hose support adjusting arm 65 are provided with a plurality of binding belt fixing buckles, and the dust collection hose is arranged on the binding belt fixing buckles through hose fixing binding belts 68.
Example 3
As shown in fig. 1 to 7, a modified starch multi-stage drying system comprises: the device comprises a primary drying device and a secondary drying device, wherein the primary drying device and the secondary drying device are arranged in series, a drying conveying pipe 8 is arranged between the primary drying device and the secondary drying device, a conveying driving fan 7 is arranged at the lower end of the drying conveying pipe 8, a plurality of pulse dispersion pipes 9 are arranged on the drying conveying pipe 8, an input port of the conveying driving fan 7 is connected to a discharge port of the primary drying device through a primary blanking device 6, a feed port of the primary drying device is connected to an output port of a feeding fan 2 through a feeding pipe 3, a feeding hopper 1 is arranged on an input port of the feeding fan 2, an air outlet at the upper end of the primary drying device is connected to a primary dedusting recovery device 15 through a primary recycling circulating pipe 14, and an air outlet at the upper end of the secondary drying device is connected to a secondary dedusting recovery device 13 through a secondary recycling circulating pipe 12, be equipped with material packing apparatus 11 on the discharge gate of second grade drying equipment lower extreme, the dust generation point of one-level drying equipment, second grade drying equipment is connected on the feed inlet of one-level dust removal recovery unit 15, second grade dust removal recovery unit 13 through dust absorption hose, and dust absorption hose passes through the hose support frame and installs on the equipment support, and the discharge gate of one-level dust removal recovery unit 15, second grade dust removal recovery unit 13 lower extreme passes through material feeding unit and carries on material loading fan 2 or carry the input port of drive fan 7. The primary dust removal and recovery device 15 and the secondary dust removal and recovery device 13 comprise material recovery boxes 32, the material recovery boxes 32 are installed in a recovery box installation support 31, the lower end of the recovery box installation support 31 is installed on an equipment support frame 311, a dust input box body 33 is arranged on the upper side of each material recovery box 32, a plurality of collecting cloth bags are arranged in each material recovery box 32, pulse dust collectors 34 are arranged on the upper sides of the collecting cloth bags, a dust input pipe 35 is arranged on one side of each dust input box body 33, the dust input pipe 35 is connected to a dust generation point of a drying device through a dust collection hose, an air blower fan is arranged on the dust collection hose, a tail gas emptying pipe 36 is arranged on one side of each material recovery box 32, a material collection hopper 37 is arranged on the lower side of each material recovery box 32, a material storage valve 38 is arranged on a discharge port at the lower end of each material collection hopper 37, and a discharge port of each material valve 38 is installed on each recovery box 310, the recycling storage box 310 is conveyed to the input port of the feeding fan 32 or the conveying driving fan 37 through the material conveying device 39. The pulse dust collector 34 comprises a cloth bag mounting plate 41, a plurality of cloth bag mounting holes 42 are formed in the cloth bag mounting plate 41, the collecting cloth bag is mounted on the cloth bag mounting holes 42 in the cloth bag mounting plate 41, and a cloth bag pulse cleaning device is arranged on the upper side of each cloth bag mounting hole 42; the cloth bag pulse cleaning device comprises a pulse cleaning head 43, the pulse cleaning head 43 is arranged on the upper side of a cloth bag mounting hole 42, the pulse cleaning head 43 is mounted on a gas shunt pipe 44, the gas shunt pipe 44 is mounted on the material recovery box 32 through a shunt pipe mounting bracket 45, and one end of the gas shunt pipe 44 is communicated with a high-pressure gas storage tank 46; an electromagnetic control valve is arranged between the high-pressure air storage tank 46 and the air shunt pipe 44, an air pressure gauge 47 and an emergency evacuation valve 48 are arranged on the high-pressure air storage tank 46, and the high-pressure air storage tank 46 is connected to an air pump through a high-pressure air conveying pipe 49. Material conveyor 39 includes conveying pipeline 91, conveying pipeline 91 one end is equipped with inlet pipe 93, the other end is equipped with row material pipe 94, be equipped with defeated material driving screw 92 in the conveying pipeline 91, defeated material driving screw 92 both ends are passed through screw rod rotary supporting seat 95 and are installed on conveying pipeline 91, defeated material driving screw 92 one end is passed through transmission equipment and is connected in screw drive motor 96.
The primary drying equipment and the secondary drying equipment are arranged in series, a drying and conveying pipe 8 is arranged between the primary drying equipment and the secondary drying equipment, a conveying driving fan 7 is arranged at the lower end of the drying and conveying pipe 8, a plurality of pulse dispersion pipes 9 are arranged on the drying and conveying pipe 8, an input port of the conveying driving fan 7 is connected to a discharge port of the primary drying equipment through a primary blanking device 6, a feed port of the primary drying equipment is connected to an output port of a feeding fan 2 through a feeding pipe 3, a feeding hopper 1 is arranged on the input port of the feeding fan 2, an air outlet at the upper end of the primary drying equipment is connected to a primary dust removal recovery device 15 through a primary recovery circulation pipeline 14, an air outlet at the upper end of the secondary drying equipment is connected to a secondary dust removal recovery device 13 through a secondary recovery circulation pipeline 12, and a material packing device 11 is arranged at a discharge port at the lower end of the secondary drying equipment, the primary drying equipment can be singly started or the primary drying equipment and the secondary drying equipment can be started simultaneously according to the requirement of the water content of the modified starch to produce different products, meanwhile, the drying and conveying pipe 8 is provided with a plurality of pulse dispersion pipes 9, so that the powder is more uniform and brighter, moreover, the dust generating points of the primary drying equipment and the secondary drying equipment are connected with the feeding holes of the primary dedusting recovery device 15 and the secondary dedusting recovery device 13 through dust absorption hoses, the dust absorption hoses are arranged on the equipment bracket through hose supporting frames, the discharging holes at the lower ends of the primary dedusting recovery device 15 and the secondary dedusting recovery device 13 are conveyed to the input hole of the feeding fan 2 or the conveying driving fan 7 through a feeding device, the material escaping in the production process can be recycled, the production environment quality is improved, and the use efficiency of the modified starch raw material is improved.
The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. A modified starch multistage drying system includes: one-level drying equipment, second grade drying equipment, establish ties between one-level drying equipment, the second grade drying equipment and set up, be equipped with stoving conveying pipeline (8) between one-level drying equipment, the second grade drying equipment, stoving conveying pipeline (8) lower extreme is equipped with carries driving fan (7), its characterized in that: be equipped with a plurality of pulse dispersion pipes (9) on stoving conveying pipeline (8), the input port of carrying drive fan (7) passes through one-level unloader (6) and connects in one-level drying equipment's discharge gate, one-level drying equipment's feed inlet passes through material loading pipe (3) and connects on the delivery outlet of material loading fan (2), be equipped with feeding funnel (1) on the input port of material loading fan (2), the air outlet of one-level drying equipment upper end is retrieved circulating line (14) through the one-level and is connected in one-level dust removal recovery unit (15), the air outlet of second grade drying equipment upper end is retrieved circulating line (12) through the second grade and is connected in second grade dust removal recovery unit (13), be equipped with material device (11) on the discharge gate of second grade drying equipment lower extreme, the dust generation point of one-level drying equipment, second grade drying equipment is connected in one-level dust removal recovery unit (15) through the dust absorption hose, On the feed inlet of second grade dust removal recovery unit (13), the dust absorption hose passes through the hose support frame to be installed on the equipment support, and the discharge gate of one-level dust removal recovery unit (15), second grade dust removal recovery unit (13) lower extreme passes through material feeding unit and carries on material loading fan (2) or carry the input port of drive fan (7).
2. The modified starch multistage drying system of claim 1, wherein: one-level drying equipment includes that one-level stoving husky ke long I (4), one-level stoving husky ke long II (5), the feed inlet of one-level stoving husky ke long I (4) passes through material loading pipe (3) and connects on the delivery outlet of material loading fan (2), the feed opening of one-level stoving husky ke long I (4) passes through the conveying pipeline and connects in the feed inlet of one-level stoving husky ke long II (5), the feed opening of one-level stoving husky ke long II (5) passes through one-level unloader (6) and connects in the input port of carrying drive fan (7), and the gas outlet of one-level stoving husky ke long I (4), one-level stoving husky ke long II (5) upper end is passed through one-level recovery circulating line (14) and is connected in one-level dust removal recovery unit (15).
3. The modified starch multistage drying system of claim 1, wherein: be equipped with the mill on one-level stoving husky gram dragon I (4) lower extreme discharge gate, the feed opening of mill passes through the conveying pipeline and connects in the feed inlet of one-level stoving husky gram dragon II (5), is equipped with material packing apparatus on the discharge gate of one-level unloader (6).
4. The modified starch multistage drying system of claim 12 or 3, wherein: two second grade drying sand-lock (10) of second grade drying equipment, two second grade drying sand-lock (10) set up side by side, and the air inlet of second grade drying sand-lock (10) upper end is connected in stoving conveying pipeline (8), and the air outlet of second grade drying sand-lock (10) upper end is passed through second grade and is retrieved circulating line (12) and connect in second grade dust removal recovery unit (13), is equipped with on second grade drying sand-lock (10) lower extreme discharge gate and closes the wind ware, is equipped with material packing apparatus (11) on the discharge gate that closes the wind ware.
5. The modified starch multistage drying system of claim 4, wherein: the drying device is characterized in that a U-shaped bent pipe is arranged at the upper end of the drying conveying pipe (8), the lower end of the drying conveying pipe (8) is connected to an output port of a conveying driving fan (7) through a connecting flange, the upper end of the drying conveying pipe (8) is connected to a feed inlet of a secondary drying device through a connecting flange, and the drying conveying pipe (8) is high in height (10) - (20) m and has a diameter (20) - (40) mm.
6. The modified starch multistage drying system of claim 1, wherein: the hose support frame includes support fixing base (61), install support mounting seat (62) on support fixing base (61), support mounting seat (62) are installed on support fixing base (61) through fixing bolt, be equipped with a plurality of hose fixed support arms (64) on support mounting seat (62), head and the tail fixed connection between hose fixed support arm (64), hose fixed support arm (64) outer end is equipped with a plurality of hoses and supports regulating arm (65), and head and the tail swivelling joint between hose supported regulating arm (65), hose supported regulating arm (65) outer end is equipped with dust absorption end fixing base (67), is equipped with the dust absorption end on dust absorption end fixing base (67).
7. The modified starch multistage drying system of claim 6, wherein: the hose supporting and adjusting arm (65) comprises a left supporting rod (651) and a right supporting rod (652), the left supporting rod (651) and the right supporting rod (652) are arranged in parallel, two ends of the left supporting rod (651) and the right supporting rod (652) are mounted on a supporting rod mounting seat (653) through rotating supporting shafts, an adjusting and driving cylinder (654) is arranged between the middle of the right supporting rod (652) and one end of the left supporting rod (651), and the adjusting and driving cylinder (654) is mounted between the left supporting rod (651) and the right supporting rod (652) through rotating supporting shafts (655); the outer sides of the hose fixing support arm (64) and the hose support adjusting arm (65) are provided with a plurality of bandage fixing buckles, and the dust collection hose is arranged on the bandage fixing buckles through hose fixing bandages (68).
8. The modified starch multistage drying system of claim 1, wherein: the primary dust removal recovery device (15) and the secondary dust removal recovery device (13) comprise material recovery boxes (32), the material recovery boxes (32) are installed in a recovery box installation support (31), the lower end of the recovery box installation support (31) is installed on an equipment support frame (311), a dust input box body (33) is arranged on the upper side of each material recovery box (32), a plurality of collecting cloth bags are arranged in each material recovery box (32), a pulse dust collector (34) is arranged on the upper side of each collecting cloth bag, a dust input pipe (35) is arranged on one side of each dust input box body (33), each dust input pipe (35) is connected to a dust generation point of the drying device through a dust collection hose, an air blower fan is arranged on each dust collection hose, a tail gas emptying pipe (36) is arranged on one side of each material recovery box (32), and a material collection hopper (37) is arranged on the lower side of each material recovery box (32), be equipped with relief valve (38) on the discharge gate of material collection fill (37) lower extreme, the discharge gate of relief valve (38) is installed on retrieving storage case (310), retrieve storage case (310) and carry on material loading fan (32) or carry the input port of drive fan (37) through material conveyor (39).
9. The multi-stage modified starch drying system of claim 8, wherein: the pulse dust collector (34) comprises a cloth bag mounting plate (41), a plurality of cloth bag mounting holes (42) are formed in the cloth bag mounting plate (41), the collecting cloth bag is mounted on the cloth bag mounting holes (42) in the cloth bag mounting plate (41), and a cloth bag pulse cleaning device is arranged on the upper side of each cloth bag mounting hole (42); the cloth bag pulse cleaning device comprises a pulse cleaning head (43), the pulse cleaning head (43) is arranged on the upper side of a cloth bag mounting hole (42), the pulse cleaning head (43) is mounted on a gas shunt pipe (44), the gas shunt pipe (44) is mounted on a material recovery box (32) through a shunt pipe mounting bracket (45), and one end of the gas shunt pipe (44) is communicated with a high-pressure gas storage tank (46); be equipped with the solenoid electric valve between high pressure gas holder (46) and gas shunt tubes (44), be equipped with barometer (47), emergent blowoff valve (48) on high pressure gas holder (46), high pressure gas holder (46) are connected in the air pump through high pressure gas-supply pipe (49).
10. The multi-stage modified starch drying system of claim 8, wherein: material conveyor (39) are including conveying pipeline (91), conveying pipeline (91) one end is equipped with inlet pipe (93), the other end is equipped with row material pipe (94), be equipped with defeated material driving screw (92) in conveying pipeline (91), install on conveying pipeline (91) through screw rod rotation support seat (95) at defeated material driving screw (92) both ends, defeated material driving screw (92) one end is passed through transmission equipment and is connected in screw rod driving motor (96).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110945270.XA CN113720138A (en) | 2021-08-17 | 2021-08-17 | Multistage drying system of modified starch |
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| CN202110945270.XA CN113720138A (en) | 2021-08-17 | 2021-08-17 | Multistage drying system of modified starch |
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| CN213378430U (en) * | 2020-09-28 | 2021-06-08 | 无锡利亚维科技有限公司 | Dust removal device of PCB board separator |
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| JP2001340828A (en) * | 2000-06-01 | 2001-12-11 | Mitsubishi Heavy Ind Ltd | Drying apparatus for highly wet organic waste |
| CN205916354U (en) * | 2016-04-19 | 2017-02-01 | 合肥海宇雪公生物科技开发有限公司 | Environment -friendly modified starch packs dust collecting equipment |
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