CN114831326B

CN114831326B - Puffed feed production system and production method

Info

Publication number: CN114831326B
Application number: CN202210556083.7A
Authority: CN
Inventors: 舒升
Original assignee: Xinjiang Zhengtai Feed Co ltd
Current assignee: Xinjiang Zhengtai Feed Co ltd
Priority date: 2022-05-20
Filing date: 2022-05-20
Publication date: 2023-06-06
Anticipated expiration: 2042-05-20
Also published as: CN114831326A

Abstract

The invention provides a production system and a production method of expanded feed, and belongs to the technical field of expanded feed production. The system comprises a first elevator, a bin to be crushed, a first screw conveyor, a crusher, a closed belt conveyor, a second elevator and a second screw conveyor which are connected in sequence; the discharge end of the second screw conveyor is connected with a three-way valve, two outlets of the three-way valve are respectively connected with a to-be-puffed bin and a finished product discharge bin, the discharge end of the to-be-puffed bin is connected with a puffing machine, the discharge end of the puffing machine is connected with a chopper, and the discharge end of the chopper is connected with a cooling and feeding device; the lower extreme feed side of first lifting machine is equipped with trapezoidal collecting hopper, and cooling material feeding unit's discharge end is located the trapezoidal collecting hopper top of first lifting machine. The expanded feed production system is a closed-loop internal circulation expanded feed production line, has a compact structure and small occupied area, and effectively improves the production efficiency and the product quality of the expanded feed; the whole processing process has low dust content, energy conservation and environmental protection.

Description

Puffed feed production system and production method

Technical Field

The invention belongs to the technical field of expanded feed production, and particularly relates to an expanded feed production system and an expanded feed production method.

Background

The puffed feed is a pellet feed processed by an extrusion puffing technology. The puffing technology is utilized to change the physical properties of the materials, so that the quality of feed products is greatly improved, the feed resources are expanded, the digestibility of the fed feed is improved, and the puffing technology has unique advantages in the aspects of effectively preventing digestive tract diseases of animals and feed safety.

In the prior art, when the puffed feed is manufactured, the adopted production line is a linear production line formed by connecting a plurality of devices in series, the occupied area is large, the efficiency is low, and the quality of the produced feed is poor.

Disclosure of Invention

Aiming at the defects or shortcomings of the prior art, the invention provides a puffed feed production system and a production method, wherein the production system is a closed-loop internal circulation puffed feed production line, the occupied area is small, and the production efficiency and the product quality of the puffed feed are effectively improved.

In order to achieve the above object, the technical scheme of the present invention is as follows:

the invention aims to provide a puffed feed production system which comprises a first lifting machine, a to-be-crushed bin, a first screw conveyor, a crusher, a closed belt conveyor, a second lifting machine and a second screw conveyor which are connected in sequence; the discharge end of the second screw conveyor is connected with a three-way valve, two outlets of the three-way valve are respectively connected with a to-be-puffed bin and a finished product discharge bin, the discharge end of the to-be-puffed bin is connected with a puffing machine, the discharge end of the puffing machine is connected with a chopper, and the discharge end of the chopper is connected with a cooling and feeding device; the lower extreme feed side of first lifting machine is equipped with trapezoidal collecting hopper, and cooling material feeding unit's discharge end is located the trapezoidal collecting hopper top of first lifting machine.

Further, a dust removing opening is arranged in the middle of the top of the closed belt conveyor, and the dust removing opening is connected with a dust removing device.

Further, a baffle plate for blocking an inlet at the feeding side of the lower end of the first lifting machine is arranged in the trapezoid collecting hopper.

Preferably, the top of the partition plate is connected with a lifting rope, and the upper end of the lifting rope penetrates through a limiting plate arranged on the side wall of the lower portion of the first lifting machine and then is connected with a pull ring.

Preferably, a grid mesh is arranged at the top of the trapezoid collecting hopper.

Further, the bulking machine comprises a bulking machine body, and a water inlet pipe and a steam pipe are arranged on the bulking machine body.

Further, the to-be-crushed bin, the to-be-expanded bin, the finished product discharging bin and the second screw conveyor are fixedly arranged on the supporting frame.

Further, in a preferred embodiment of the present invention, the cooling and feeding device includes a support, a third screw conveyor, a screw cooling dust remover and a guide chute are fixed on the support, the feeding end of the third screw conveyor is located below the discharging end of the chopper, the discharging end of the third screw conveyor is connected with the feeding end of the guide chute, the discharging end of the guide chute is located above the trapezoid collecting hopper of the first lifter, a hot air outlet is arranged on the top surface of the shell of the third screw conveyor, the hot air outlet is connected with a tangential air inlet of the upper side wall of the screw cooling dust remover through a connecting pipe, an air outlet pipe at the top of the screw cooling dust remover is connected with a suction fan, the air outlet end of the suction fan is connected with an exhaust pipe, and a fan is installed at the bottom of the screw cooling dust remover.

Preferably, a cleaning opening is formed in the middle of the side wall of the spiral cooling dust remover, and a side-turning type sealing cover for sealing the cleaning opening is hinged to the side wall of the spiral cooling dust remover at the cleaning opening.

Preferably, a push-pull plugboard for adjusting the air outlet amount is further arranged on the air outlet pipe in the middle of the top of the spiral cooling dust remover.

Preferably, the support comprises a triangular underframe, and rollers are mounted on the bottom surfaces of three vertex angles of the triangular underframe.

Preferably, a fan is further installed on the third screw conveyor, and the fan is located above the guide chute.

Preferably, a gap is formed in a side plate, far away from one side of the spiral cooling dust remover, of the guide chute, a baffle plate for blocking the gap is arranged on the inner side of the side plate, an L-shaped handle is fixedly connected to the lower side edge of the baffle plate, a vertical rod at the lower part of the handle is hinged to the inner side wall of the side plate, a rope is connected to a cross rod at the upper part of the handle, a counterweight is connected to the lower end of the rope, and the counterweight is positioned outside the guide chute; the length and the width of the baffle are greater than those of the notch, and the length of the baffle is greater than that of the guide chute.

Another object of the present invention is to provide a method for producing expanded feed, which adopts the above expanded feed production system to produce expanded feed, comprising:

(1) Crushing raw materials: lifting raw materials to be puffed from a first lifting machine to a to-be-crushed bin, conveying the raw materials to be puffed in the to-be-crushed bin into a crusher to be crushed by a first screw conveyor, conveying the crushed raw materials into a second lifting machine by a closed belt conveyor, adopting a dust removal device to remove dust in the conveying process of the closed belt conveyor, lifting the materials by the second lifting machine, conveying the materials to the second screw conveyor, discharging the materials by the second screw conveyor, and conveying the materials to the to-be-crushed bin by a three-way valve;

(2) Puffing: the materials in the to-be-puffed bin are sent into a puffing machine, drinking water and water vapor are respectively introduced into the puffing machine through a water inlet pipe and a steam pipe, the materials in the puffing machine are sent into a chopper after being puffed, the materials after the chopper fall into a third spiral conveyor, the third spiral conveyor cools the puffed materials through a spiral cooling dust remover and a fan in sequence in the conveying process, and then the puffed materials are sent into a guide chute, and the guide chute sends the puffed materials into a trapezoid collecting hopper;

(3) Secondary crushing: the puffed material is lifted from the first lifting machine to a bin to be crushed, the puffed material in the bin to be crushed is sent to a crusher to be crushed through a first screw conveyor, the crushed puffed material is sent to a second lifting machine through a closed belt conveyor, dust removal is carried out by adopting a dust removal device in the conveying process of the closed belt conveyor, the puffed crushed material is lifted by the second lifting machine and then sent to the second screw conveyor, the second screw conveyor is sent to a finished product discharging bin through a three-way valve after discharging, and the puffed crushed material in the finished product discharging bin is sent to a bag after being output through the bottom, so that a finished product is obtained.

Preferably, the water content of the finished product is controlled to 9-10%.

The beneficial technical effects of the invention are as follows: the puffed feed production system is a closed-loop internal circulation puffed feed production line, and is compact in structure and small in occupied area; the puffed material can be continuously crushed for multiple times before and after puffing and subjected to secondary puffing treatment, so that the production efficiency and the product quality of the puffed feed are effectively improved; the adopted cooling and feeding device is convenient to move, and can rapidly cool the puffed material twice in sequence; the whole processing process is low in dust quantity, dust pollution can not be caused to the surrounding environment, and waste heat recovery and utilization can be carried out by collecting hot air through the exhaust pipe, so that the method is energy-saving and environment-friendly.

Drawings

FIG. 1 is a schematic diagram of the expanded feed production system of the present invention;

FIG. 2 is a schematic view of the structure of the grid mesh of FIG. 1;

FIG. 3 is a perspective view of a cooling feed device in an embodiment of the invention;

FIG. 4 is a right side view of the movable puffed feedstock cooling feed unit of the present invention;

FIG. 5 is a front view of the movable puffed material cooling feed unit of the present invention;

reference numerals: 1-first lifting machine, 101-trapezoid collecting hopper, 102-partition board, 103-lifting rope, 104-limiting plate, 105-grid mesh, 106-pull ring, 2-bin to be crushed, 3-first screw conveyor, 4-crusher, 5-closed belt conveyor, 6-dust collector, 7-second lifting machine, 8-second screw conveyor, 9-three-way valve, 10-bin to be expanded, 11-bulking machine, 1101-water inlet pipe, 1102-steam pipe, 12-chopper, 13-cooling feeding device, 1301-bracket, 1302-third screw conveyor, 1303-screw cooling dust remover, 1304-guide chute, 1305-connecting pipe, 1306-suction fan, 1307-exhaust pipe, 1308-shut fan, 1309-cleaning port, 1310-plug board, 1311-fan, 1312-notch, 1313-baffle, 1314-handle, 1315-rope, 1316-counterweight, 1317-roller, 14-bin to be discharged, 15-supporting frame.

Detailed Description

The technical solutions of the present invention will be clearly and completely elucidated by means of examples in conjunction with the accompanying drawings of the specification, it being evident that the described examples are only some, but not all, examples of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

Example 1

Referring to fig. 1-5, the present embodiment provides a puffed feed production system, which includes a first lifter 1, a to-be-smashed bin 2, a first screw conveyor 3, a smashing machine 4, a closed belt conveyor 5, a second lifter 7, and a second screw conveyor 8, which are sequentially connected; the discharge end of the second screw conveyor 8 is connected with a three-way valve 9, two outlets of the three-way valve 9 are respectively connected with a to-be-puffed bin 10 and a finished product discharge bin 14, the discharge end of the to-be-puffed bin 10 is connected with a puffing machine 11, the discharge end of the puffing machine 11 is connected with a chopper 12, and the discharge end of the chopper 12 is connected with a cooling and feeding device 13; the lower extreme feed side of first lifting machine 1 is equipped with trapezoidal collecting hopper 101, and the discharge end of cooling material feeding unit 13 is located the trapezoidal collecting hopper 101 top of first lifting machine 1, wait to smash storehouse 2, wait to expand storehouse 10, finished product play feed bin 14, second screw conveyer 8 all fixed mounting on braced frame 15.

Specifically, in order to reduce the dust amount, a dust removing opening is arranged in the middle of the top of the closed belt conveyor 5, and the dust removing opening is connected with a dust removing device 6.

Specifically, a partition plate 102 for blocking an inlet at the feeding side of the lower end of the first lifting machine 1 is arranged in the trapezoid collecting hopper 101, a lifting rope 103 is connected to the top of the partition plate 102, a pull ring 106 is connected to the upper end of the lifting rope 103 after passing through a limiting plate 104 arranged on the side wall of the lower portion of the first lifting machine 1, a grid mesh 105 is arranged at the top of the trapezoid collecting hopper 101, and the trapezoid collecting hopper 101 is located on the ground. The baffle 102 is manually lifted into the trapezoid aggregate bin 101 through the pull ring 106, so that materials in the trapezoid aggregate bin 101 can enter the first lifting machine 1 conveniently.

Specifically, the bulking machine 11 comprises a bulking machine 11 body, wherein a water inlet pipe 1101 and a steam pipe 1102 are arranged on the bulking machine 11 body, and are respectively used for adding drinking water and steam into the bulking machine 11 body in the bulking process.

Specifically, the cooling and feeding device 13 includes a support 1301, a third screw conveyor 1302, a screw cooling dust remover 1303 and a guide groove 1304 are fixedly arranged on the support 1301, the feeding end of the third screw conveyor 1302 is located below the discharging end of the shredder 12, the discharging end of the third screw conveyor 1302 is connected with the feeding end of the guide groove 1304, the discharging end of the guide groove 1304 is located above the trapezoid collecting hopper 101 of the first lifter 1, a hot air outlet is arranged on the top surface of the shell of the third screw conveyor 1302, the hot air outlet is connected with a tangential air inlet of the upper side wall of the screw cooling dust remover 1303 through a connecting pipe 1305, an air outlet pipe at the top of the screw cooling dust remover 1303 is connected with a suction fan 1306, the air outlet end of the suction fan 1306 is connected with an exhaust pipe 1307, and a fan 1308 is installed at the bottom of the screw cooling dust remover 1303.

Preferably, a cleaning opening 1309 is provided in the middle of the side wall of the spiral cooling dust collector 1303, a side-turning cover for sealing the cleaning opening 1309 is hinged to the side wall of the spiral cooling dust collector 1303 at the cleaning opening 1309, and residual powder residue adhered to the inner wall of the spiral cooling dust collector 1303 is cleaned manually through the cleaning opening 1309 at regular intervals. The air outlet pipe in the middle of the top of the spiral cooling dust collector 1303 is also provided with a push-pull plugboard 1310 for adjusting the air outlet, and the plugboard 1310 is pulled outwards or pushed inwards to manually adjust the air outlet quantity in the spiral cooling dust collector 1303. The support 1301 comprises a triangle chassis, rollers 1317 are mounted on the bottom surfaces of three vertex angles of the triangle chassis, the rollers 1317 are convenient for the cooling feeding device 13 to move, support rods for supporting the lower part and the upper part of the bottom surface of the third spiral conveyor 1302 are fixed on the triangle chassis, the bottom of the fan 1308 is fixed on the triangle chassis, so that the triangle chassis supports the spiral cooling dust remover 1303, the upper side wall of the spiral cooling dust remover 1303 is fixedly connected with the outer wall of the shell of the third spiral conveyor 1302 through the connecting rods, the installation stability of the spiral cooling dust remover 1303 and the third spiral conveyor 1302 is improved, a supporting rod for supporting the bottom surface of the guide groove 1304 is further fixed on the triangle chassis, and a reinforcing rod connected with the side wall of the spiral cooling dust remover is further fixed on the top surface of the guide groove 1304, so that the installation stability of the guide groove 1304 is improved. A fan 1311 for secondary cooling is also mounted on the third screw conveyor 1302, and the fan 1311 is located above the guide chute 1304. A gap 1312 is formed in a side plate, far away from one side of the spiral cooling dust collector 1303, of the guide groove 1304, a baffle 1313 for blocking the gap 1312 is arranged on the inner side of the side plate, an L-shaped handle 1314 is fixedly connected to the lower side edge of the baffle 1313, a vertical rod at the lower part of the handle 1314 is hinged to the inner side wall of the side plate, a rope 1315 is connected to a cross rod at the upper part of the handle 1314, a counterweight 1316 is connected to the lower end of the rope 1315, and the counterweight 1316 is positioned outside the guide groove 1304; the length and width of the baffle 1313 are greater than the length and width of the notch 1312, and the length of the baffle 1313 is greater than the width of the chute 1304; the counterweight 1316 tightens the handle 1314 by gravity, so that a baffle 1313 connected with the handle 1314 is tightly attached to the side plate of the guide chute 1304 to seal the gap 1312, when the conveying direction of the puffed material needs to be switched, the counterweight 1316 is manually lifted, the handle 1314 is rotated to enable the side plate to overturn to block the main channel of the guide chute 1304, and the puffed material is output from the gap 1312.

Example 2

A method of producing expanded feed, the method employing the expanded feed production system provided in example 1 to produce expanded feed, comprising:

(1) Crushing raw materials: lifting raw materials to be puffed from a first lifting machine 1 to a to-be-crushed bin 2, conveying the raw materials to be puffed in the to-be-crushed bin 2 into a crusher 4 through a first screw conveyor 3, crushing the raw materials, conveying the crushed raw materials into a second lifting machine 7 through a closed belt conveyor 5, adopting a dust removing device 6 to remove dust in the conveying process of the closed belt conveyor 5, lifting the materials by the second lifting machine 7, conveying the materials into a second screw conveyor 8, discharging the materials by the second screw conveyor 8, and conveying the materials into a to-be-puffed bin 10 through a three-way valve 9;

(2) Puffing: the materials in the to-be-puffed bin 10 are sent into a puffing machine 11, drinking water and water vapor are respectively introduced into the puffing machine 11 through a water inlet pipe 1101 and a steam pipe 1102, the materials in the puffing machine 11 are sent into a chopper 12 after being puffed, the materials after being chopped by the chopper 12 fall into a third screw conveyor 1302, the third screw conveyor 1302 cools the puffed materials through a screw cooling dust remover 1303 and a fan 1311 in sequence in the conveying process, and then the puffed materials are sent into a guide groove 1304, and the guide groove 1304 sends the puffed materials into a trapezoid collecting hopper 101;

(3) Secondary crushing: the puffed material is lifted from the first lifting machine 1 to the bin 2 to be smashed, the puffed material in the bin 2 to be smashed is sent into the smashing machine 4 to be smashed through the first screw conveyor 3, the smashed puffed material is sent into the second lifting machine 7 through the closed belt conveyor 5, dust removal treatment is carried out in the conveying process of the closed belt conveyor 5 through the dust removal device 6, the puffed smashed material is lifted by the second lifting machine 7 and then sent into the second screw conveyor 8, the second screw conveyor 8 is sent into the finished product discharging bin 14 through the three-way valve 9 after being discharged, and the puffed material in the finished product discharging bin 14 is sent out through the bottom and then is packaged, so that the finished product is obtained.

The water content of the finished product obtained in the embodiment is controlled to be 9-10%.

It will be appreciated by those skilled in the art that the foregoing description of the embodiments is provided to illustrate the principles of the invention and that various changes and modified embodiments of the invention may be made without departing from the spirit and scope of the invention.

Claims

1. A puffed feed production system comprises a first elevator, a to-be-crushed bin, a first screw conveyor, a crusher, a closed belt conveyor, a second elevator and a second screw conveyor which are connected in sequence; the discharge end of the second screw conveyor is connected with a three-way valve, two outlets of the three-way valve are respectively connected with a to-be-puffed bin and a finished product discharge bin, the discharge end of the to-be-puffed bin is connected with a puffing machine, the discharge end of the puffing machine is connected with a chopper, and the discharge end of the chopper is connected with a cooling and feeding device; the lower end feeding side of the first elevator is provided with a trapezoid collecting hopper, and the discharging end of the cooling feeding device is positioned above the trapezoid collecting hopper of the first elevator; the method is characterized in that:

the cooling and feeding device comprises a support, a third screw conveyor, a screw type cooling dust remover and a guide groove are fixedly arranged on the support, the feeding end of the third screw conveyor is located below the discharging end of the chopper, the discharging end of the third screw conveyor is connected with the feeding end of the guide groove, the discharging end of the guide groove is located above a trapezoid collecting hopper of the first elevator, a hot air outlet is formed in the top surface of a shell of the third screw conveyor and connected with a tangential air inlet of the upper side wall of the screw type cooling dust remover through a connecting pipe, an air outlet pipe at the top of the screw type cooling dust remover is connected with a suction fan, the air outlet end of the suction fan is connected with an exhaust pipe, and a fan is installed at the bottom of the screw type cooling dust remover.

2. The expanded feed production system according to claim 1, wherein: a dust removing opening is arranged in the middle of the top of the closed belt conveyor, and the dust removing opening is connected with a dust removing device.

3. The expanded feed production system according to claim 1, wherein: the elevator is characterized in that a baffle plate for blocking an inlet at the lower end of the first elevator is arranged in the trapezoid collecting hopper, the top of the baffle plate is connected with a lifting rope, the upper end of the lifting rope is connected with a pull ring after passing through a limiting plate arranged on the side wall of the lower part of the first elevator, and the top of the trapezoid collecting hopper is provided with a grid mesh.

4. The expanded feed production system according to claim 1, wherein: the bulking machine comprises a bulking machine body, wherein a water inlet pipe and a steam pipe are arranged on the bulking machine body.

5. The expanded feed production system according to claim 1, wherein: the to-be-crushed bin, the to-be-expanded bin, the finished product discharging bin and the second screw conveyor are fixedly arranged on the supporting frame.

6. The expanded feed production system according to claim 1, wherein: the middle part of the side wall of the spiral cooling dust remover is provided with a cleaning opening, and the side wall of the spiral cooling dust remover at the cleaning opening is hinged with a side-turning type sealing cover for sealing the cleaning opening; the air outlet pipe in the middle of the top of the spiral cooling dust remover is also provided with a push-pull plugboard for adjusting the air outlet amount; the support comprises a triangular underframe, and rollers are mounted on the bottom surfaces of three vertex angles of the triangular underframe.

7. The expanded feed production system according to claim 1, wherein: and a fan is also arranged on the third screw conveyor and is positioned above the guide chute.

8. The expanded feed production system according to claim 1, wherein: a gap is formed in a side plate, far away from one side of the spiral cooling dust remover, of the guide chute, a baffle plate for blocking the gap is arranged on the inner side of the side plate, an L-shaped handle is fixedly connected to the lower side edge of the baffle plate, a vertical rod at the lower part of the handle is hinged to the inner side wall of the side plate, a rope is connected to a cross rod at the upper part of the handle, a counterweight is connected to the lower end of the rope, and the counterweight is positioned outside the guide chute; the length and the width of the baffle are greater than those of the notch, and the length of the baffle is greater than that of the guide chute.

9. A method of producing expanded feed using the expanded feed production system according to any one of claims 1 to 8, comprising:

(2) Puffing: the materials in the to-be-puffed bin are sent into a puffing machine, drinking water and steam are respectively introduced into the puffing machine through a water inlet pipe and a steam pipe, the materials in the puffing machine are sent into a chopper after being puffed, the materials after the chopper fall into a third spiral conveyor, the third spiral conveyor cools the puffed materials through a spiral cooling dust remover and a fan in sequence in the conveying process, and then the puffed materials are sent into a guide chute, and the guide chute sends the puffed materials into a trapezoid collecting hopper;