CN212117017U - Double-screw extrusion puffing device - Google Patents
Double-screw extrusion puffing device Download PDFInfo
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- CN212117017U CN212117017U CN202020544298.3U CN202020544298U CN212117017U CN 212117017 U CN212117017 U CN 212117017U CN 202020544298 U CN202020544298 U CN 202020544298U CN 212117017 U CN212117017 U CN 212117017U
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Abstract
The utility model relates to a popped device of twin-screw extrusion, including the quenching and tempering unit, twin-screw extrusion curing unit, dwell time regulating unit and the material density regulating unit that communicate in proper order and highly reduce in proper order, be equipped with a plurality of ejection of compact branch pipes and water conservancy diversion house steward between dwell time regulating unit and the material density regulating unit, the top of water conservancy diversion house steward is linked together with the dwell time regulating unit through being linked together with a plurality of ejection of compact branch pipes respectively, and the bottom is linked together with material density regulating unit. Compared with the prior art, the utility model discloses a dwell time and the material density of material before the regulation and control ejection of compact have avoided the regulation to screw rod and feeder speed, have guaranteed that the continuous high efficiency of extrusion bulking process goes on, make the material obtain the broken wall and the popped effect of maximum effect simultaneously to control the product through the sinking and the floating characteristic of density regulation and control, ensure that material curing degree is high, the yield is high, the granule shaping is good and the grain shape is even unanimous, are showing improvement product quality and productivity.
Description
Technical Field
The utility model belongs to the technical field of it is popped, a double screw extrusion device is related to.
Background
The puffing technology is a processing technology of processing raw materials through high temperature, high pressure, curing and instant expansion, integrates conveying, extruding, mixing, shearing, high-temperature disinfection and forming, has more obvious disinfection and sterilization effects, can process viscous, high-fat and high-moisture raw materials, has strong applicability and obvious advantages, and is increasingly applied to feed production.
The bulking machine is the core equipment in the bulking technique, and it has single screw extrusion bulking machine and twin-screw extrusion bulking machine to be common, and wherein, single screw extrusion bulking machine forms propulsion, the extrusion to the material through the friction of screw rod and barrel to the material, and the material bonds between screw rod and barrel easily and causes stifled machine. The double-screw extrusion puffing machine can push and extrude the materials between the two screws through the meshing and separating motions of the two screws, and has no back spray and blockage through extrusion wall breaking and strong pumping capacity.
However, in the continuous working process of the conventional twin-screw extrusion puffing machine, if the retention time of the material before discharging is to be regulated, the speed of all the screws and the speed of the feeder need to be regulated simultaneously, and the influence on the whole production process and the production efficiency is large. In addition, the density of the material before discharging can not be effectively regulated and controlled at present, and the texture and the cooking degree of the puffed material are influenced.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a double screw extrusion bulking device in order to overcome the defect that above-mentioned prior art exists, can regulate and control the dwell time and the material density of material before the ejection of compact, guarantee the high-quality of bulking material.
The purpose of the utility model can be realized through the following technical scheme:
the utility model provides a popped device of twin-screw extrusion, the device is including the quenching and tempering unit, twin-screw extrusion curing unit, dwell time regulating unit and the material density regulating unit that communicate in proper order and highly reduce in proper order, dwell time regulating unit and material density regulating unit between be equipped with a plurality of ejection of compact branch pipes and water conservancy diversion house steward, the top of water conservancy diversion house steward be linked together with dwell time regulating unit through with a plurality of ejection of compact branch pipes respectively, the bottom and the material density regulating unit of water conservancy diversion house steward be linked together. Materials containing a certain amount of starch (more than 20 percent) are pretreated by a tempering unit, the moisture and the temperature of the materials are adjusted to meet the required requirements, and then the materials enter a double-screw extrusion curing unit for extrusion curing under the action of double screws; and (3) regulating and controlling the retention time of the cured material in a retention time regulating unit, regulating and controlling the density of the material in a material density regulating unit, and finally discharging and puffing.
Furthermore, the quenching and tempering unit comprises a quenching and tempering shell, a quenching and tempering screw rod arranged in the quenching and tempering shell along the horizontal direction and a quenching and tempering motor arranged at one end of the quenching and tempering shell and connected with the quenching and tempering screw rod in a transmission manner, wherein a material feeding hole and a steam feeding hole are formed in the top of the quenching and tempering shell, and a curing feeding hole is formed in the bottom of the quenching and tempering shell. The tempering motor drives the tempering screw to rotate, and materials added into the tempering shell from the material feeding hole are conveyed towards the curing feeding hole; meanwhile, high-temperature steam is introduced into the hardening and tempering shell through a steam charging port.
Further, the double-screw extrusion curing unit comprises a curing shell, a pair of curing screws arranged in the curing shell along the horizontal direction and a curing motor arranged at one end of the curing shell and in transmission connection with the pair of curing screws, wherein the top of the curing shell is communicated with the interior of the tempering shell through a curing feed port, and a curing discharge port is formed in the bottom of the curing shell. The curing motor drives a pair of curing screws to rotate through a gear transmission case or a belt transmission case, so that the material subjected to pre-conditioning treatment is gradually extruded and cured between the twin screws and moves towards a curing discharge port.
Furthermore, the residence time adjusting unit comprises a buffer shell, a buffer screw rod arranged in the buffer shell along the horizontal direction and a buffer motor arranged at one end of the buffer shell and connected with the buffer screw rod in a transmission manner, wherein the top of the buffer shell is communicated with the inside of the curing shell through a curing discharge hole, a plurality of buffer discharge holes are sequentially arranged at the bottom of the buffer shell along the material movement direction, and the buffer discharge holes are communicated with the flow guide main pipe through discharge branch pipes on one corresponding side. The material after extrusion curing gets into in the buffering casing, and the buffering motor drives the rotation of buffering screw rod to make the material constantly move to buffering discharge gate department. Selecting different buffer discharge ports for discharging according to the required retention time; if the required retention time is short, opening a buffer discharge port close to the front, and then enabling the materials to enter a diversion main pipe from a corresponding discharge branch pipe; if the required retention time is longer, opening the buffer discharge port at the back to enable the materials to stay for a period of time more, and then enabling the materials to enter the diversion header pipe from the corresponding discharge branch pipe; the material in the guide main pipe enters the material density adjusting unit through the inlet of the material density adjusting unit.
Furthermore, the number of the buffer discharge ports is the same as that of the discharge branch pipes, and the number of the buffer discharge ports is 3-5.
Furthermore, a buffer discharge hole electric control valve is arranged in the buffer discharge hole, and a buffer discharge hole electric control valve controller electrically connected with the buffer discharge hole electric control valve is arranged on the buffer shell. The opening of the corresponding buffer discharge port electric control valve and the closing of the other buffer discharge port electric control valves are controlled by the buffer discharge port electric control valve controller, so that the specific buffer discharge port is opened for discharging.
Further, material density adjusting unit include the density adjust casing, set up at the inside density adjusting screw of density adjust casing and set up at density adjust casing one end and the density adjusting motor who is connected with the transmission of density adjusting screw along the horizontal direction, the top and the water conservancy diversion house steward of density adjust casing be linked together, the bottom of density adjust casing be equipped with a plurality of popped discharge gates along material direction of motion in proper order, the pitch of density adjusting screw reduce along material direction of motion in proper order. The material enters the density adjusting shell through the diversion header pipe, and the density adjusting motor drives the density adjusting screw rod to rotate and enables the material to continuously move towards the puffing discharge port. Because the screw pitch of the density adjusting screw is reduced in sequence along the material moving direction, the extrusion force applied to the material is gradually enhanced in the moving process, so that the density of the material is gradually increased. Selecting different puffing discharge ports for discharging materials according to the required material density; if the required material density is low, opening the front puffing discharge port, and then discharging the material from the corresponding puffing discharge port for puffing; if it is great to need material density, then open the popped discharge gate that leans on the back, make the material further closely knit in the density adjustment casing, later the material is popped by the discharge of corresponding popped discharge gate.
Furthermore, a puffing discharge port electric control valve is arranged in the puffing discharge port, and a puffing discharge port electric control valve controller electrically connected with the puffing discharge port electric control valve is arranged on the density adjusting shell. The opening of the electric control valve of the corresponding puffing discharge port and the closing of the electric control valves of the other puffing discharge ports are controlled by the puffing discharge port electric control valve controller, so that the specific puffing discharge port is opened for discharging.
Furthermore, the number of the puffing discharge holes is 3-5.
Furthermore, a discharge die is arranged at the bottom of the puffing discharge port. The material is extruded and puffed at the puffing discharge port by a discharge die. When the material is extruded out of the die hole of the discharging die, the material rapidly expands in volume and flashes under the combined action of pressure difference and temperature difference due to sudden temperature and pressure drop after leaving the density adjusting shell and entering the atmosphere, namely, moisture rapidly evaporates, and the material is dehydrated and solidified to realize expansion.
Compared with the prior art, the utility model discloses a dwell time and the material density of material before the regulation and control ejection of compact have avoided the regulation to screw rod and feeder speed, have guaranteed that the continuous high efficiency of extrusion bulking process goes on, make the material obtain the broken wall and the popped effect of maximum effect simultaneously to control the product through the sinking and the floating characteristic of density regulation and control, ensure that material curing degree is high, the yield is high, the granule shaping is good and the grain shape is even unanimous, are showing improvement product quality and productivity.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
the notation in the figure is:
the device comprises 1-discharge branch pipe, 2-diversion header pipe, 3-conditioning shell, 4-conditioning screw, 5-conditioning motor, 6-material inlet, 7-steam inlet, 8-curing inlet, 9-curing shell, 10-curing screw, 11-curing motor, 12-curing outlet, 13-buffer shell, 14-buffer screw, 15-buffer motor, 16-buffer outlet, 17-buffer outlet electric control valve controller, 18-density adjusting shell, 19-density adjusting screw, 20-density adjusting motor, 21-puffing outlet, 22-puffing outlet electric control valve controller and 23-discharge mould.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments. The embodiment is implemented on the premise of the technical solution of the present invention, and a detailed implementation manner and a specific operation process are given, but the scope of the present invention is not limited to the following embodiments.
Example (b):
the twin-screw extrusion puffing device shown in figure 1 comprises a tempering unit, a twin-screw extrusion curing unit, a residence time adjusting unit and a material density adjusting unit which are sequentially communicated and are sequentially reduced in height, wherein a plurality of discharging branch pipes 1 and a diversion header pipe 2 are arranged between the residence time adjusting unit and the material density adjusting unit, the top end of the diversion header pipe 2 is respectively communicated with the residence time adjusting unit through the discharging branch pipes 1, and the bottom end of the diversion header pipe 2 is communicated with the material density adjusting unit.
The tempering unit comprises a tempering shell 3, a tempering screw rod 4 arranged inside the tempering shell 3 along the horizontal direction and a tempering motor 5 arranged at one end of the tempering shell 3 and in transmission connection with the tempering screw rod 4, a material feeding port 6 and a steam feeding port 7 are arranged at the top of the tempering shell 3, and a curing feeding port 8 is arranged at the bottom of the tempering shell 3.
The double-screw extrusion curing unit comprises a curing shell 9, a pair of curing screws 10 arranged in the curing shell 9 along the horizontal direction, and a curing motor 11 arranged at one end of the curing shell 9 and in transmission connection with the pair of curing screws 10, wherein the top of the curing shell 9 is communicated with the interior of the conditioning shell 3, and a curing discharge hole 12 is formed in the bottom of the curing shell 9.
The residence time adjusting unit comprises a buffer shell 13, a buffer screw 14 arranged in the buffer shell 13 along the horizontal direction and a buffer motor 15 arranged at one end of the buffer shell 13 and in transmission connection with the buffer screw 14, wherein the top of the buffer shell 13 is communicated with the inside of the curing shell 9, a plurality of buffer discharge holes 16 are sequentially arranged at the bottom of the buffer shell 13 along the material moving direction, and the buffer discharge holes 16 are communicated with the guide main pipe 2 through discharge branch pipes 1 on one corresponding side. The number of the buffer discharge ports 16 is the same as that of the discharge branch pipes 1, and the number of the buffer discharge ports is 3-5. A buffer discharge hole electric control valve is arranged in the buffer discharge hole 16, and a buffer discharge hole electric control valve controller 17 electrically connected with the buffer discharge hole electric control valve is arranged on the buffer shell 13.
The material density adjusting unit comprises a density adjusting shell 18, a density adjusting screw rod 19 arranged in the density adjusting shell 18 along the horizontal direction and a density adjusting motor 20 arranged at one end of the density adjusting shell 18 and in transmission connection with the density adjusting screw rod 19, the top of the density adjusting shell 18 is communicated with the flow guide header pipe 2, the bottom of the density adjusting shell 18 is sequentially provided with a plurality of expanded discharge holes 21 along the material moving direction, and the screw pitch of the density adjusting screw rod 19 is sequentially reduced along the material moving direction. An electric control valve of the puffing discharge port is arranged in the puffing discharge port 21, and an electric control valve controller 22 of the puffing discharge port, which is electrically connected with the electric control valve of the puffing discharge port, is arranged on the density adjusting shell 18. The number of the expanded discharge ports 21 is 3-5. The bottom of the puffing discharging port 21 is provided with a discharging die 23.
When the device is in practical use, the extruded and cured materials enter the buffer shell 13, and the buffer motor 15 drives the buffer screw 14 to rotate and enable the materials to continuously move towards the buffer discharge hole 16. Selecting different buffer discharge ports 16 for discharging according to the required retention time; if the required retention time is short, the front buffer discharge port 16 is opened, and then the material enters the diversion header pipe 2 from the corresponding discharge branch pipe 1; if the retention time is longer, opening the buffer discharge port 16 at the back to enable the materials to stay for a period of time, and then enabling the materials to enter the diversion header pipe 2 from the corresponding discharge branch pipe 1; the material in the guide header pipe 2 enters the density adjusting shell 18, and the density adjusting motor 20 drives the density adjusting screw rod 19 to rotate and enable the material to continuously move to the puffing discharge hole 21. Because the screw pitch of the density adjusting screw rod 19 is reduced in sequence along the material moving direction, the material is continuously pressed in the moving process, and the density is gradually increased. Selecting different puffing discharge holes 21 for discharging according to the required material density; if the required material density is low, opening the front puffing discharge port 21, and then discharging the material from the corresponding puffing discharge port 21 for puffing; if the material is needed to be higher in density, the expansion discharge port 21 at the back is opened, so that the material is further compacted in the density adjusting shell 18, and then the material is discharged from the corresponding expansion discharge port 21 for expansion.
The embodiments described above are intended to facilitate the understanding and use of the invention by those skilled in the art. It will be readily apparent to those skilled in the art that various modifications to these embodiments may be made, and the generic principles described herein may be applied to other embodiments without the use of the inventive faculty. Therefore, the present invention is not limited to the above embodiments, and those skilled in the art should make improvements and modifications within the scope of the present invention according to the disclosure of the present invention.
Claims (10)
1. The utility model provides a double screw extrusion bulking device, its characterized in that, the device is including the quenching and tempering unit, double screw extrusion curing unit, dwell time regulating unit and the material density regulating unit that communicate in proper order and highly reduce in proper order, dwell time regulating unit and material density regulating unit between be equipped with a plurality of ejection of compact branch pipes (1) and water conservancy diversion house steward (2), the top of water conservancy diversion house steward (2) be linked together with dwell time regulating unit through with a plurality of ejection of compact branch pipes (1) respectively, the bottom and the material density regulating unit of water conservancy diversion house steward (2) be linked together.
2. The twin-screw extrusion puffing device according to claim 1, wherein the tempering unit comprises a tempering shell (3), a tempering screw (4) arranged in the tempering shell (3) along a horizontal direction, and a tempering motor (5) arranged at one end of the tempering shell (3) and in transmission connection with the tempering screw (4), a material feeding port (6) and a steam feeding port (7) are formed in the top of the tempering shell (3), and a curing feeding port (8) is formed in the bottom of the tempering shell (3).
3. The twin-screw extrusion-puffing device according to claim 1, wherein the twin-screw extrusion-ripening unit comprises a ripening housing (9), a pair of ripening screws (10) arranged in the ripening housing (9) along the horizontal direction, and a ripening motor (11) arranged at one end of the ripening housing (9) and in transmission connection with the pair of ripening screws (10), the top of the ripening housing (9) is communicated with the interior of the tempering housing (3), and the bottom of the ripening housing (9) is provided with a ripening discharge port (12).
4. The twin-screw extrusion-puffing device according to claim 1, wherein the residence time adjusting unit comprises a buffer shell (13), a buffer screw (14) arranged in the buffer shell (13) along the horizontal direction, and a buffer motor (15) arranged at one end of the buffer shell (13) and in transmission connection with the buffer screw (14), the top of the buffer shell (13) is communicated with the inside of the curing shell (9), the bottom of the buffer shell (13) is sequentially provided with a plurality of buffer discharge ports (16) along the material moving direction, and the buffer discharge ports (16) are communicated with the guide header pipe (2) through the discharge branch pipes (1) at the corresponding side.
5. The twin-screw extrusion-expansion device according to claim 4, wherein the number of the buffer discharge ports (16) is the same as that of the discharge branch pipes (1), and is 3-5.
6. The twin-screw extrusion puffing device according to claim 4, wherein an electric control valve of the buffer discharge port is arranged in the buffer discharge port (16), and an electric control valve controller (17) of the buffer discharge port, which is electrically connected with the electric control valve of the buffer discharge port, is arranged on the buffer shell (13).
7. The twin-screw extrusion puffing device of claim 1, wherein the material density adjusting unit comprises a density adjusting shell (18), a density adjusting screw (19) arranged in the density adjusting shell (18) along the horizontal direction, and a density adjusting motor (20) arranged at one end of the density adjusting shell (18) and in transmission connection with the density adjusting screw (19), the top of the density adjusting shell (18) is communicated with the flow guide header pipe (2), the bottom of the density adjusting shell (18) is sequentially provided with a plurality of puffing discharge holes (21) along the material moving direction, and the screw pitch of the density adjusting screw (19) is sequentially reduced along the material moving direction.
8. The twin-screw extrusion puffing device according to claim 7, wherein an electric control valve of the puffing discharging port is arranged in the puffing discharging port (21), and a controller (22) of the electric control valve of the puffing discharging port, which is electrically connected with the electric control valve of the puffing discharging port, is arranged on the density adjusting shell (18).
9. The twin-screw extrusion-expansion apparatus as claimed in claim 7, wherein the number of expansion outlets (21) is 3-5.
10. The twin-screw extrusion-expansion device according to claim 7, wherein the bottom of the expansion outlet (21) is provided with an outlet die (23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020544298.3U CN212117017U (en) | 2020-04-14 | 2020-04-14 | Double-screw extrusion puffing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020544298.3U CN212117017U (en) | 2020-04-14 | 2020-04-14 | Double-screw extrusion puffing device |
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| CN212117017U true CN212117017U (en) | 2020-12-11 |
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| CN202020544298.3U Active CN212117017U (en) | 2020-04-14 | 2020-04-14 | Double-screw extrusion puffing device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112617255A (en) * | 2020-12-24 | 2021-04-09 | 福建天马科技集团股份有限公司 | A popped equipment of improved generation twin-screw for producing south america white shrimp fodder |
-
2020
- 2020-04-14 CN CN202020544298.3U patent/CN212117017U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112617255A (en) * | 2020-12-24 | 2021-04-09 | 福建天马科技集团股份有限公司 | A popped equipment of improved generation twin-screw for producing south america white shrimp fodder |
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Assignee: JINHUA AONONG BIOLOGICAL SCIENCE & TECHNOLOGY Co.,Ltd. Assignor: JIANGSU AONONG BIOTECHNOLOGY CO.,LTD. Contract record no.: X2023980040917 Denomination of utility model: A Double Screw Extrusion and Expansion Device Granted publication date: 20201211 License type: Common License Record date: 20230831 |