CN220075213U - Double-screw granulator for starch modification - Google Patents
Double-screw granulator for starch modification Download PDFInfo
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- CN220075213U CN220075213U CN202321407293.6U CN202321407293U CN220075213U CN 220075213 U CN220075213 U CN 220075213U CN 202321407293 U CN202321407293 U CN 202321407293U CN 220075213 U CN220075213 U CN 220075213U
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- speed reducer
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- stirring
- motor
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- 229920002472 Starch Polymers 0.000 title claims abstract description 35
- 235000019698 starch Nutrition 0.000 title claims abstract description 35
- 239000008107 starch Substances 0.000 title claims abstract description 35
- 230000004048 modification Effects 0.000 title claims abstract description 15
- 238000012986 modification Methods 0.000 title claims abstract description 15
- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 52
- 238000003756 stirring Methods 0.000 claims abstract description 47
- 238000010438 heat treatment Methods 0.000 claims abstract description 30
- 238000001816 cooling Methods 0.000 claims abstract description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 65
- 230000005540 biological transmission Effects 0.000 claims description 10
- 238000007599 discharging Methods 0.000 claims description 7
- 238000001125 extrusion Methods 0.000 claims description 7
- 239000000498 cooling water Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 abstract description 15
- 238000004519 manufacturing process Methods 0.000 abstract description 10
- 239000000203 mixture Substances 0.000 abstract description 5
- 239000000843 powder Substances 0.000 description 7
- 238000000034 method Methods 0.000 description 4
- 229920000881 Modified starch Polymers 0.000 description 3
- 239000004368 Modified starch Substances 0.000 description 3
- 235000019426 modified starch Nutrition 0.000 description 3
- 238000009423 ventilation Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005764 inhibitory process Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Landscapes
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
Abstract
The utility model relates to the technical field of production of full biodegradable materials, and discloses a double-screw granulator for starch modification. When the power supply is started, the heating module starts to heat the machine barrel, after the temperature is observed to rise to the specified temperature from the control display screen, the heating and cooling system is started, after the temperature is stable for a period of time, the motor starts to run and is transmitted into the speed reducer through the bearing, the speed reducer outputs to drive the screw to rotate, then the feeding speed is started, the starch mixture is more uniformly mixed in the bin body through the stirring blades, the speed reducer is driven by the feeding motor, the speed reducer drives the feeding screw and the stirring shaft to rotate, and the material starts to be uniformly discharged under the pushing of the feeding screw.
Description
Technical Field
The utility model relates to the technical field of production of full-biodegradable materials, in particular to a double-screw granulator for starch modification.
Background
With the promotion of plastic inhibition in recent years, biodegradable environment-friendly materials are increasingly popular. Starch is a widely available, inexpensive, renewable, degradable polymeric material and is typically a biological starch-filled or whole starch-modified material using a parallel twin-screw granulator.
The starch is a powder material containing 14% of water, and a heating temperature zone belongs to a solid conveying zone. When the temperature exceeds 60 ℃, the moisture in the starch can volatilize, so that the position of a feeding port is wet, the moisture is accumulated to a certain degree, and the moisture starts to adhere to powder to form a bridge and block the discharging. The above problems frequently occur and greatly affect the production stability of the starch-modified material.
Disclosure of Invention
The utility model aims to provide a double-screw granulator for starch modification, which solves the problems in the prior art.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
the utility model provides a twin-screw granulator for starch modification, includes host computer transmission system, extrusion system, feeding system, heating cooling system, control system and independent heat exchange system, host computer transmission system includes motor, bearing, reduction gear, motor fixed mounting is in host computer transmission system surface right side, bearing fixed connection is in motor surface left side, reduction gear fixed mounting is in bearing surface left side.
Preferably, the extrusion system comprises a screw, a barrel and a head and a die, the screw is connected to the surface of the speed reducer, the barrel is fixed on the surface of the screw, and the head and the die are arranged at the top of the barrel.
Preferably, the feeding system comprises a feeding motor, a feeding speed reducer, a feeding screw, a stirring shaft, a ball bucket, a bin body, a bin cover, a stirring speed reducer, a stirring motor, a ventilation port, a feeding box and stirring blades, wherein the feeding speed reducer is fixedly arranged on the surface of the main machine speed reducer, the feeding motor is arranged on the surface of the feeding speed reducer, the feeding screw and the stirring shaft are arranged on the surface of the feeding speed reducer, the ball bucket is arranged on the surface of the feeding screw and the surface of the stirring shaft, the bin body and the bin cover are arranged on the surface of the ball bucket, the ventilation port and the stirring speed reducer are arranged on the surface of the bin cover, the stirring motor is arranged on the surface of the stirring speed reducer, the stirring blades are connected on the surface of the stirring speed reducer, and the feeding box is arranged on the surface of the feeding screw and the surface of the first machine barrel.
Preferably, the heating and cooling system comprises a heating module, a temperature measuring rod, a water inlet pipe, a water outlet pipe, an upper water delivery pipe, a lower water return pipe and an electromagnetic valve, wherein the heating module and the temperature measuring rod are arranged on the surface of the machine barrel, the water inlet pipe and the water outlet pipe are arranged at the upper end of the machine barrel, the upper water delivery pipe is connected with the water inlet pipe, the lower water return pipe is connected with the water outlet pipe, the electromagnetic valve door is arranged on the surface of the water inlet pipe and the upper water delivery pipe, when a power supply is started, the heating module starts to heat the machine barrel, after the temperature is observed to rise to a designated temperature from a control display screen, the heating and cooling system is started, after the temperature is stabilized for a period of time, the motor starts to run, the motor starts to be transmitted into a speed reducer through a bearing, the speed reducer outputs to drive a screw rod to rotate, then the feeding speed is started, the starch mixture is more uniformly mixed in a bin body through a stirring blade, the speed reducer drives the feed screw rod and a stirring shaft to rotate, and the material starts to uniformly discharge after the pushing of the feed screw rod.
Preferably, the control system is a control display screen, and mainly controls the control of the heating system, the cooling system, the pressure, the screw rotating speed and the feeding rotating speed.
Preferably, the heat exchange system is a mold temperature machine heat exchange system with a zone heating module connected independently.
Preferably, the heat exchange system of the mold temperature machine comprises a pump, a heater, a cooler, a filter, a one-way valve, an electromagnetic valve, a temperature sensor, a pressure gauge and a ball valve, wherein the pump, the heater and the cooler are directly connected with an external water source, the heater is directly connected with a region water inlet pipe through a flow channel, a region water outlet pipe is directly connected with the cooler, the one-way valve is arranged between the external water source and the pump, the electromagnetic valve is arranged between the external water source and the cooler, the temperature sensor, the pressure gauge and the ball valve are arranged between the heater and the region water inlet pipe, the cooler is provided with a channel for discharging cooling water, when the temperature exceeds 60 ℃, moisture in starch begins to volatilize, the position of a feeding port is wetted, the moisture is accumulated to a certain extent to begin to adhere to form a bridge and block discharging, the problem frequently occurs, the production stability of starch modified materials is greatly influenced, the heat exchange system is started for a region, the temperature is stabilized at 30 ℃, the position of a feeding port can not be seen, the phenomenon of powder adhesion does not occur, and the production of starch modified products is stable.
The utility model provides a double-screw granulator for starch modification, which has the following beneficial effects:
(1) According to the utility model, when the power supply is started, the heating module starts to heat the machine barrel, after the temperature is observed to rise to the specified temperature from the control display screen, the heating and cooling system is started, after the temperature is stable for a period of time, the motor starts to run and is transmitted into the speed reducer through the bearing, the speed reducer outputs to drive the screw to rotate, then the feeding speed is started, the starch mixture is more uniformly mixed in the bin body through the stirring blade, the speed reducer is driven by the feeding motor, the speed reducer drives the feeding screw and the stirring shaft to rotate, and the material starts to be uniformly discharged under the pushing of the feeding screw.
(2) According to the utility model, when the temperature exceeds 60 ℃, moisture in starch begins to volatilize, so that the position of a feeding port is moist, the moisture is accumulated to a certain extent to start to adhere powder to form a bridge and block discharging, the problem frequently occurs, the production stability of a starch modified material can be greatly influenced, a heat exchange system for a region is started at the moment, the temperature of the region is stabilized at 30 ℃, the moisture at the position of the feeding port can not be seen any more, the powder adhesion phenomenon does not occur, and the production of a starch modified product is stable.
Drawings
FIG. 1 is a schematic view of the planar structure of a pelletizer provided by the present utility model;
fig. 2 is a schematic diagram of a heat exchange system according to the present utility model.
In the figure: 1. a host transmission system; 2. an extrusion system; 3. a feeding system; 4. a heating and cooling system; 5. a control system; 6. a heat exchange system; 101. a motor; 102. a bearing; 103. a speed reducer; 201. a screw; 202. a barrel; 203. a machine head and a die; 301. a feeding motor; 302. a feed decelerator; 303. a feed screw; 304. a stirring shaft; 305. a ball bucket; 306. a bin body; 307. a bin cover; 308. a stirring decelerator; 309. a stirring motor; 310. a ventilation port; 311. a feeding box; 312. stirring the leaves; 401. a heating module; 402. a temperature measuring rod; 403. a water inlet pipe; 404. a water outlet pipe; 405. an upper water delivery pipe; 406. a lower return pipe; 407. an electromagnetic valve; 601. pumping; 602. a heater; 603. a cooler; 604. a filter; 605. a one-way valve; 606. an electromagnetic valve; 607. a temperature sensor; 608. a pressure gauge; 609. ball valve.
Detailed Description
The utility model provides the following technical scheme:
examples
As shown in fig. 1, a twin-screw granulator for starch modification comprises a main machine transmission system 1, an extrusion system 2, a feeding system 3, a heating and cooling system 4, a control system 5 and an independent heat exchange system 6, wherein the main machine transmission system 1 comprises a motor 101, a bearing 102 and a speed reducer 103, the motor 101 is fixedly arranged on the right side of the surface of the main machine transmission system 1, the bearing 102 is fixedly connected to the left side of the surface of the motor 101, and the speed reducer 103 is fixedly arranged on the left side of the surface of the bearing 102.
Extrusion system 2 includes a screw 201, a barrel 202, and a head and die 203, screw 201 being coupled to the surface of reducer 103, barrel 202 being fixed to the surface of screw 201, and head and die 203 being disposed on top of barrel 202.
The feeding system 3 comprises a feeding motor 301, a feeding speed reducer 302, a feeding screw 303, a stirring shaft 304, a ball hopper 305, a bin body 306, a bin cover 307, a stirring speed reducer 308, a stirring motor 309, an air vent 310, a feeding box 311 and stirring blades 312, wherein the feeding speed reducer 302 is fixedly arranged on the surface of the main machine speed reducer 103, the feeding motor 301 is arranged on the surface of the feeding speed reducer 302, the feeding screw 303 and the stirring shaft 304 are arranged on the surface of the feeding speed reducer 302, the ball hopper 305 is arranged on the surface of the feeding screw 303 and the stirring shaft 304, the bin body 306 and the bin cover 307 are arranged on the surface of the ball hopper 305, the air vent 310 and the stirring speed reducer 308 are arranged on the surface of the bin cover 307, the stirring motor 309 is arranged on the surface of the stirring speed reducer 308, the stirring blades 312 are connected on the surface of the stirring speed reducer 308, and the feeding box 311 is arranged on the surface of the feeding screw 303 and the surface of the first machine barrel 202.
The heating and cooling system 4 comprises a heating module 401, a temperature measuring rod 402, a water inlet pipe 403, a water outlet pipe 404, an upper water conveying pipe 405, a lower water return pipe 406 and an electromagnetic valve 407, wherein the heating module 401 and the temperature measuring rod 402 are arranged on the surface of the machine barrel 202, the water inlet pipe 403 and the water outlet pipe 404 are arranged at the upper end of the machine barrel 202, the upper water conveying pipe 405 is connected with the water inlet pipe 403, the lower water return pipe 406 is connected with the water outlet pipe 404, the electromagnetic valve 407 is arranged on the surfaces of the water inlet pipe 403 and the upper water conveying pipe 405, when a power supply is started, the heating module 401 starts to heat the machine barrel 202, after the temperature rises to a specified temperature from a control display screen, the heating and cooling system 4 is started, after the temperature is stabilized for a period of time, the rotation speed of a motor 101 is started, the motor 101 starts to run and is transmitted into the speed reducer 103 through a bearing 102, the speed reducer 103 outputs to drive the screw 201 to rotate, then the feeding rotation speed is started, starch mixture is more uniformly mixed in the bin body 306 through stirring blades 312, the speed reducer 103 is driven by the feeding motor 301, the speed reducer 303 and the stirring shaft 304 rotate, and the material starts to uniformly discharge under the pushing of the feeding screw 303.
The control system 5 is a control display screen and mainly controls the heating system, the cooling system, the pressure, the screw rotating speed and the feeding rotating speed.
When the power is turned on, the heating module 401 starts to heat the machine barrel 202, after the temperature rises to the designated temperature from the control display screen, the heating and cooling system 4 is started, after the temperature is stabilized for a period of time, the motor 101 starts to run, the motor 101 is transmitted into the speed reducer 103 through the bearing 102, the output of the speed reducer 103 drives the screw 201 to rotate, then the feeding speed is started, the starch mixture is more uniformly mixed in the bin 306 through the stirring vane 312, the speed reducer 103 is driven by the feeding motor 301, the speed reducer 103 drives the feeding screw 303 and the stirring shaft 304 to rotate, and the material starts to be uniformly discharged under the pushing of the feeding screw 303.
Examples
On the basis of the first embodiment, as shown in fig. 2, a heat exchange system 6 is a heat exchange system of a mold temperature machine, which is independently connected with a zone heating module 401, the heat exchange system of the mold temperature machine comprises a pump 601, a heater 602, a cooler 603, a filter 604, a check valve 605, an electromagnetic valve 606, a temperature sensor 607, a pressure gauge 608 and a ball valve 609, the pump 601, the heater 602 and the cooler 603 are directly connected with an external water source, the heater 602 is directly connected with a zone water inlet pipe 403 through a runner, a zone water outlet pipe 404 is directly connected with the cooler 603, the check valve 605 is arranged between the external water source and the pump 601, the electromagnetic valve 606 is arranged between the external water source and the cooler 603, the temperature sensor 607, the pressure gauge 608 and the ball valve 609 are arranged between the heater 602 and the zone water inlet pipe 403, the water vapor 603 is provided with a channel for discharging cooling water, when the temperature exceeds 60 ℃, moisture in starch begins to volatilize, the position of a feeding port is wetted, the position begins to adhere to form a frame bridge and block the blanking, the problem frequently occurs, the problem can greatly affect the stability of the modified starch is greatly, when the temperature of the modified starch is stable, and the temperature of the modified starch is not adhered to the water is stable when the temperature of the starch is produced in the zone 6, and the water vapor is not adhered to the water is stable, and the modified in the production zone water is produced, and the water is not adhered to the water at 30.
When the temperature exceeds 60 ℃, moisture in the starch can volatilize, so that the position of a feeding port is moist, the moisture is accumulated to a certain extent to start to adhere to powder to form a bridge and block discharging, the problem frequently occurs, the production stability of the starch modified material can be greatly affected, at this time, a heat exchange system 6 for a zone is started, the temperature of the zone is stabilized at 30 ℃, the moisture at the position of the feeding port can not be seen any more, the powder adhesion phenomenon does not occur, and the production of the starch modified product is stable.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Claims (7)
1. A twin screw granulator for starch modification, characterized by: including host computer transmission system (1), extrusion system (2), feed system (3), heating cooling system (4), control system (5) and independent heat exchange system (6), host computer transmission system (1) includes motor (101), bearing (102), reduction gear (103), motor (101) fixed mounting is on host computer transmission system (1) surface right side, bearing (102) fixed connection is on motor (101) surface left side, reduction gear (103) fixed mounting is on bearing (102) surface left side.
2. A twin screw granulator for the modification of starch according to claim 1, wherein: the extrusion system (2) comprises a screw (201), a machine barrel (202) and a machine head and a die (203), wherein the screw (201) is connected to the surface of the speed reducer (103), the machine barrel (202) is fixed on the surface of the screw (201), and the machine head and the die (203) are arranged at the top of the machine barrel (202).
3. A twin screw granulator for the modification of starch according to claim 1, wherein: the feeding system (3) comprises a feeding motor (301), a feeding speed reducer (302), a feeding screw (303), a stirring shaft (304), a ball hopper (305), a bin body (306), a bin cover (307), a stirring speed reducer (308), a stirring motor (309), an air vent (310), a feeding box (311) and stirring blades (312), wherein the feeding speed reducer (302) is fixedly arranged on the surface of the main machine speed reducer (103), the feeding motor (301) is arranged on the surface of the feeding speed reducer (302), the feeding screw (303) and the stirring shaft (304) are arranged on the surface of the feeding speed reducer (302), the ball hopper (305) is arranged on the surface of the feeding screw (303) and the stirring shaft (304), the bin body (306) and the bin cover (307) are arranged on the surface of the ball hopper (305), the air vent (310) and the stirring speed reducer (308) are arranged on the surface of the bin cover (307), the stirring motor (309) is arranged on the surface of the stirring speed reducer (308), and the stirring blades (312) are connected to the surface of the stirring speed reducer (308), and the feeding box (311) is arranged on the surface of the feeding screw (311) and the surface of the first screw (311).
4. A twin screw granulator for the modification of starch according to claim 1, wherein: the heating and cooling system (4) comprises a heating module (401), a temperature measuring rod (402), a water inlet pipe (403), a water outlet pipe (404), an upper water delivery pipe (405), a lower water return pipe (406) and an electromagnetic valve (407), wherein the heating module (401) and the temperature measuring rod (402) are arranged on the surface of the machine barrel (202), the water inlet pipe (403) and the water outlet pipe (404) are arranged at the upper end of the machine barrel (202), the upper water delivery pipe (405) is connected with the water inlet pipe (403), the lower water return pipe (406) is connected with the water outlet pipe (404), and the electromagnetic valve (407) is arranged on the surface of the water inlet pipe (403) and the upper water delivery pipe (405).
5. A twin screw granulator for the modification of starch according to claim 1, wherein: the control system (5) is used for controlling a display screen.
6. A twin screw granulator for the modification of starch according to claim 1, wherein: the heat exchange system (6) is a mold temperature machine heat exchange system with a zone heating module (401) which is independently connected.
7. A twin screw granulator for modification of starch according to claim 6, wherein: the heat exchange system of the mold temperature machine comprises a pump (601), a heater (602), a cooler (603), a filter (604), a one-way valve (605), an electromagnetic valve (606), a temperature sensor (607), a pressure gauge (608) and a ball valve (609), wherein the pump (601), the heater (602) and the cooler (603) are directly connected with an external water source, the heater (602) is directly connected with a region water inlet pipe (403) through a flow passage, the cooler (603) is directly connected with a region water outlet pipe (404) through the flow passage, the one-way valve (605) is arranged between the external water source and the pump (601), the electromagnetic valve (606) is arranged between the external water source and the cooler (603), and the temperature sensor (607), the pressure gauge (608) and the ball valve (609) are arranged between the heater (602) and the region water inlet pipe (403), and the cooler (603) is provided with a passage for discharging cooling water.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321407293.6U CN220075213U (en) | 2023-06-05 | 2023-06-05 | Double-screw granulator for starch modification |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321407293.6U CN220075213U (en) | 2023-06-05 | 2023-06-05 | Double-screw granulator for starch modification |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220075213U true CN220075213U (en) | 2023-11-24 |
Family
ID=88824972
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321407293.6U Active CN220075213U (en) | 2023-06-05 | 2023-06-05 | Double-screw granulator for starch modification |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220075213U (en) |
-
2023
- 2023-06-05 CN CN202321407293.6U patent/CN220075213U/en active Active
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