Processing technology and application of prebiotics for livestock and poultry

By designing the cutting section, transmission and crushing components of the raw material crushing device, the problem of low raw material crushing efficiency in the existing technology is solved, and efficient raw material crushing and processing effects are achieved.

CN119500314AInactive Publication Date: 2025-02-25GUANGXI WUXUAN BAIHUASHAN AGRI CO LTD
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Patent Information

Application Number
CN202411672264.1
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-11-21
Publication Date
2025-02-25
Estimated Expiration
Not applicable · inactive patent

AI Technical Summary

Technical Problem

In the prior art, the raw material crushing efficiency is low and the crushing is not thorough, which affects the efficiency of the overall processing technology.

Method used

A raw material crushing device is designed, including a segmentation assembly, a transmission assembly and a crushing assembly. The segment cutting assembly drives the No. 1 shaft through the motor, driving the rotary wheel and guide rod to rotate, realizing the segment cutting operation of raw materials; the transmission assembly is driven by the pulley and bevel gear set, driving the crushing assembly to reduce power output; the crushing assembly achieves efficient crushing through the transmission gear and crushing roller.

Benefits of technology

It improves the crushing efficiency and processing effect of raw materials, reduces the power output and operating costs of the crushing device, and improves the overall processing efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention relates to the technical field of prebiotics processing technologies and application, in particular to a processing technology and application of prebiotics for livestock and poultry. The prebiotics comprise a machine body, a through groove is formed in the upper surface of the machine body, a feeding hopper is fixedly connected into the through groove, a sieve plate is fixedly connected between the inner walls of the machine body, and a discharging groove is formed in the front face of the machine body; a pretreatment mechanism is arranged in the machine body and comprises a cutting assembly, a transmission assembly and a smashing assembly. According to the crushing device, raw materials to be pretreated can be subjected to section cutting treatment through the arranged section cutting assembly, then the subsequent crushing efficiency and the processing effect are improved, power of the section cutting assembly can be transmitted through the arranged transmission assembly, then the subsequent crushing assembly is driven, power output needed by the crushing device is reduced, and the crushing efficiency is improved. And through the arranged smashing assembly, the cut raw materials can be directly smashed, and efficient smashing of the raw materials is achieved in cooperation with the cutting assembly.
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Description

Technical Field

[0001] The invention relates to the technical field of prebiotic processing technology and application, and in particular to a prebiotic processing technology for livestock and poultry and application. Background Art

[0002] Prebiotics are a type of substance that cannot be digested and absorbed by the human body or animal host, but can selectively stimulate the growth and reproduction of one or several beneficial bacteria in the host's intestines, thereby improving the host's health. Simply put, prebiotics are like "food" for beneficial bacteria, which can provide nutrition for beneficial bacteria and help them survive and function better in the intestines. Prebiotics have many uses. Among them, for use in animal farming, it can help livestock and poultry improve intestinal health and enhance growth performance. Adding prebiotics to the feed of pigs, chickens, cattle and other livestock and poultry can optimize the intestinal flora structure of livestock and poultry. At the same time, prebiotics can also enhance the intestinal barrier function of livestock and poultry and reduce the occurrence of intestinal diseases. In addition, prebiotics also help to improve the feed conversion rate and nutrient absorption efficiency of livestock and poultry, which is of great significance for livestock and poultry farming.

[0003] Regarding the raw material crushing device needed in the processing of prebiotics for livestock and poultry, the existing raw material crushing device has low crushing efficiency for the raw materials when in use, and there is also the problem of incomplete crushing. Such pretreatment operations will affect the efficiency of the overall processing technology, and when crushing the raw materials, since some raw materials have long or large sizes, in order to improve the crushing efficiency, a cutting step should be added before crushing, and the raw materials should be segmented in advance. Therefore, corresponding treatment measures are needed to solve the problem. Summary of the invention

[0004] In view of the above-mentioned shortcomings of the prior art, the present invention provides a processing technology and application of prebiotics for livestock and poultry, which can effectively solve the problem of low raw material crushing efficiency in the prior art.

[0005] To achieve the above objectives, the present invention is implemented through the following technical solutions:

[0006] The present invention provides a processing technology of prebiotics for livestock and poultry, and the specific processing technology is as follows:

[0007] S1: Select raw materials and pre-treat them. When selecting raw materials, the source stability, purity and safety of the raw materials should be considered. Pre-treatment includes crushing and dissolving or mixing the raw materials. The selected raw materials are crushed to increase their surface area to facilitate subsequent extraction or fermentation operations;

[0008] S2: Extract and purify the raw materials. The extraction method adopts enzymatic extraction, using specific enzymes to decompose the cell walls and other components in the raw materials to release prebiotics. The subsequent purification can adopt ion exchange resin purification method to remove impurity ions in the extract through ion exchange resin;

[0009] S3: After completing the above, the purified prebiotics are fermented, and appropriate fermentation strains are selected according to the type of prebiotics and target efficacy;

[0010] S4: After the fermentation is completed, the prebiotics are dried and formed to produce the desired prebiotic products;

[0011] The above-mentioned processing process of prebiotics for livestock and poultry also involves a raw material crushing device, including a body, the upper surface of the body is provided with a through groove, a feed hopper is fixedly connected to the through groove, a sieve plate is fixedly connected between the inner walls of the body, a discharge trough is provided on the front of the body, and a pretreatment mechanism is provided in the body, and the pretreatment mechanism includes a segmentation assembly, a transmission assembly and a crushing assembly.

[0012] According to the above-mentioned prebiotic processing technology for livestock and poultry, the cutting component includes a motor fixedly connected to the upper surface of the body through a bracket, the output end of the motor is fixedly connected to a No. 1 rotating shaft, the No. 1 rotating shaft is rotatably connected to the inner top surface of the body through a bearing, the bottom end of the No. 1 rotating shaft is fixedly connected to a turntable, the bottom surface of the turntable is fixedly connected to a No. 1 guide rod, a guide groove body is slidably sleeved on the No. 1 guide rod, two No. 2 guide rods are fixedly connected to the side wall of the guide groove body, the two No. 2 guide rods are both slidably connected to the side wall of the body, the side wall of the feed hopper is provided with a cutting groove, a cutting blade is slidably connected in the cutting groove, and the side end of the cutting blade is fixedly connected to the side wall of the guide groove body.

[0013] According to the above-mentioned processing technology of prebiotics for livestock and poultry, the transmission assembly includes a fixed plate fixedly connected to the side wall of the body, a No. 2 rotating shaft is provided on the side of the body, the No. 2 rotating shaft is rotatably connected to the bottom surface of the fixed plate through a bearing, the No. 1 rotating shaft is circumferentially fixedly connected to a driving wheel, the No. 2 rotating shaft is circumferentially fixedly connected to a driven wheel, and a belt is sleeved between the driving wheel and the driven wheel.

[0014] According to the above-mentioned prebiotic processing technology for livestock and poultry, the crushing component includes a No. 3 rotating shaft and a No. 4 rotating shaft arranged in the body, and the No. 3 rotating shaft and the No. 4 rotating shaft are both rotatably connected to the side walls of the body through bearings, and the bottom end of the No. 2 rotating shaft is fixedly connected to the No. 1 bevel gear, and the No. 3 rotating shaft is fixedly connected to the No. 2 bevel gear in the circumferential direction near one end of the No. 2 rotating shaft, and the No. 1 bevel gear is meshed with the No. 2 bevel gear, and the No. 3 rotating shaft and the No. 4 rotating shaft are fixedly connected to the No. 2 rotating shaft in the circumferential direction near one end of the No. 2 rotating shaft, and the two transmission gears are meshed, and the No. 3 rotating shaft and the No. 4 rotating shaft are fixedly connected to the circumferential direction.

[0015] According to the above-mentioned processing technology of prebiotics for livestock and poultry, the upper surface and bottom surface of the cutting blade are respectively fitted with the inner top surface and inner bottom surface of the cutting groove, the two No. 2 guide rods are in a parallel positional relationship, and the two No. 2 guide rods are in a vertical positional relationship with the guide groove body.

[0016] According to the above-mentioned prebiotic processing technology for livestock and poultry, the driving wheel and the driven wheel are both located above the machine body, and the diameter of the driving wheel is greater than the diameter of the driven wheel.

[0017] According to the above-mentioned processing technology of prebiotics for livestock and poultry, the two transmission gears are both located on the side of the machine body, the two transmission gears are respectively arranged concentrically with the third rotating shaft and the fourth rotating shaft, the two crushing rollers cooperate and are both located in the machine body, and the screen plate is located below the two crushing rollers.

[0018] An application of prebiotics for livestock and poultry, wherein the livestock and poultry are chickens, ducks, pigs and cattle. The prebiotics can be added to chicken feed, duck feed, pig feed and cattle feed. The prebiotics can be added to the livestock and poultry feed by direct addition, premixing and coating addition.

[0019] Compared with the known prior art, the technical solution provided by the present invention has the following beneficial effects:

[0020] 1. The present invention provides a segmentation component. When pre-processing the raw materials required for prebiotic processing, the segmentation component is used to segment the raw materials to be pre-processed, which is beneficial to improving the subsequent crushing efficiency and processing effect. The motor drives the No. 1 rotating shaft to rotate, and the No. 1 rotating shaft drives the turntable to rotate, so that the No. 1 guide rod revolves. Under the restriction of the two No. 2 guide rods, the guide groove body causes the No. 1 guide rod to rotate and slide in the guide groove body, and then the periodic rotation of the No. 1 guide rod causes the guide groove body to reciprocate left and right, and the cutting blade is driven by the guide groove body to perform reciprocating cutting, thereby realizing the segmentation operation of the raw materials.

[0021] 2. The present invention is provided with a transmission component, which can transmit the power of the segmentation component when pre-processing the raw materials required for prebiotic processing, and then drive the subsequent crushing component, reducing the power output required by the crushing device. The second rotating shaft is rotated through the transmission of two pulleys and belts, and then the third rotating shaft is driven to rotate through the meshing transmission between the bevel gear sets, thereby providing power for the crushing component and reducing the operating cost of the device.

[0022] 3. The present invention provides a crushing assembly, which can directly crush the raw materials that have been cut into segments when pre-processing the raw materials required for prebiotic processing. In conjunction with the segmenting assembly, efficient crushing of the raw materials can be achieved, which is beneficial to improving subsequent processing efficiency. The rotation of the No. 3 rotating shaft drives the transmission gear to rotate, and then drives another transmission gear and the No. 4 rotating shaft to rotate through meshing transmission, so that the two crushing rollers rotate in opposite directions. The two crushing rollers cooperate with each other to achieve efficient crushing of the raw materials. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the prior art descriptions are briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention, and for ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0024] Figure 1 It is a schematic diagram of the process flow of the processing technology of the present invention;

[0025] Figure 2 It is a schematic diagram of the three-dimensional structure analysis of the present invention;

[0026] Figure 3 A schematic diagram of a three-dimensional structural analysis of the present invention from another viewing angle;

[0027] Figure 4 It is a schematic diagram of the three-dimensional structure of the present invention;

[0028] Figure 5 A schematic diagram of a three-dimensional structure from another viewing angle of the present invention;

[0029] Figure 6 for Figure 2 Enlarged view of point A in the middle.

[0030] Figure numerals: 1. body; 2. through slot; 3. feed hopper; 4. sieve plate; 5. discharge slot; 6. motor; 7. rotating shaft No. 1; 8. turntable; 9. guide rod No. 1; 10. guide slot body; 11. guide rod No. 2; 12. cutting slot; 13. cutting blade; 14. rotating shaft No. 2; 15. driving wheel; 16. driven wheel; 17. belt; 18. rotating shaft No. 3; 19. rotating shaft No. 4; 20. bevel gear No. 1; 21. bevel gear No. 2; 22. transmission gear; 23. crushing roller. DETAILED DESCRIPTION

[0031] In order to make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the technical solution in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0032] The present invention will be further described below in conjunction with the embodiments.

[0033] Example: Refer to Figures 1 to 6 , a prebiotic processing technology for livestock and poultry, the specific processing technology is as follows:

[0034] S1: Select raw materials and pre-treat them. When selecting raw materials, the source stability, purity and safety of the raw materials should be considered. Pre-treatment includes crushing and dissolving or mixing the raw materials. The selected raw materials are crushed to increase their surface area to facilitate subsequent extraction or fermentation operations;

[0035] S2: Extract and purify the raw materials. The extraction method adopts enzymatic extraction, using specific enzymes to decompose the cell walls and other components in the raw materials to release prebiotics. The subsequent purification can adopt ion exchange resin purification method to remove impurity ions in the extract through ion exchange resin;

[0036] S3: After completing the above, the purified prebiotics are fermented, and appropriate fermentation strains are selected according to the type of prebiotics and target efficacy;

[0037] S4: After the fermentation is completed, the prebiotics are dried and formed to produce the desired prebiotic products;

[0038] The above-mentioned processing process of prebiotics for livestock and poultry also involves a raw material crushing device, including a body 1, a through groove 2 is provided on the upper surface of the body 1, a feed hopper 3 is fixedly connected in the through groove 2, a sieve plate 4 is fixedly connected between the inner walls of the body 1, a discharge trough 5 is provided on the front of the body 1, and a pretreatment mechanism is provided in the body 1, the pretreatment mechanism includes a segmentation assembly, a transmission assembly and a crushing assembly, the segmentation assembly includes a motor 6 fixedly connected to the upper surface of the body 1 through a bracket, the output end of the motor 6 is fixedly connected to a No. 1 rotating shaft 7, the No. 1 rotating shaft 7 is rotatably connected to the inner top surface of the body 1 through a bearing, the bottom end of the No. 1 rotating shaft 7 is fixedly connected to a turntable 8, and the bottom surface of the turntable 8 is fixedly connected to a No. 1 guide Rod 9, a guide groove body 10 is slidably sleeved on the No. 1 guide rod 9, and the side wall of the guide groove body 10 is fixedly connected with two No. 2 guide rods 11, and the two No. 2 guide rods 11 are both penetrated and slidably connected to the side wall of the body 1, and the side wall of the feed hopper 3 is provided with a cutting groove 12, and a cutting blade 13 is slidably connected in the cutting groove 12, and the side end of the cutting blade 13 is fixedly connected to the side wall of the guide groove body 10, and the transmission assembly includes a fixed plate fixedly connected to the side wall of the body 1, and a No. 2 rotating shaft 14 is provided on the side of the body 1, and the No. 2 rotating shaft 14 is rotatably connected to the bottom surface of the fixed plate through a bearing, and the circumference of the No. 1 rotating shaft 7 is fixedly connected with a driving wheel 15, and the circumference of the No. 2 rotating shaft 14 is fixedly connected with a driven wheel 16, a belt 17 is sleeved between the driving wheel 15 and the driven wheel 16, the crushing assembly includes a third rotating shaft 18 and a fourth rotating shaft 19 arranged in the body 1, the third rotating shaft 18 and the fourth rotating shaft 19 are both rotatably connected to the side walls of the body 1 through bearings, the bottom end of the second rotating shaft 14 is fixedly connected to a first bevel gear 20, the circumferential direction of the third rotating shaft 18 near one end of the second rotating shaft 14 is fixedly connected to a second bevel gear 21, the first bevel gear 20 is meshed with the second bevel gear 21, the circumferential direction of the third rotating shaft 18 and the fourth rotating shaft 19 near one end of the second rotating shaft 14 are fixedly connected to a transmission gear 22, the two transmission gears 22 are meshed, the third rotating shaft 18 and the fourth rotating shaft 19 are fixedly connected to the circumferential direction of the second rotating shaft 14, the two transmission gears 22 are meshed, the third rotating shaft 18 and the fourth rotating shaft The circumference of the machine body 19 is fixedly connected with a crushing roller 23, the upper surface and the bottom surface of the cutting blade 13 are respectively fitted with the inner top surface and the inner bottom surface of the cutting groove 12, the two No. 2 guide rods 11 are in a parallel position relationship, and the two No. 2 guide rods 11 and the guide groove body 10 are in a vertical position relationship. The driving wheel 15 and the driven wheel 16 are both located above the machine body 1, and the diameter of the driving wheel 15 is greater than the diameter of the driven wheel 16. The two transmission gears 22 are both located on the side of the machine body 1, and the two transmission gears 22 are respectively concentrically arranged with the No. 3 rotating shaft 18 and the No. 4 rotating shaft 19. The two crushing rollers 23 cooperate and are both located in the machine body 1, and the screen plate 4 is located below the two crushing rollers 23;

[0039] An application of prebiotics for livestock and poultry, including livestock and poultry such as chickens, ducks, pigs and cattle. The prebiotics can be added to chicken feed, duck feed, pig feed and cattle feed. The prebiotics can be added to the livestock and poultry feed by direct addition, premixing and coating addition.

[0040] The working principle of the present invention is as follows: when the raw materials required for prebiotic processing are pretreated, the raw materials are crushed by the raw material crushing device, and the raw materials are added into the machine body 1 through the feed hopper. At this time, the motor 6 is started, and the raw materials move downward in the feed hopper 3. The motor 6 drives the No. 1 rotating shaft 7 to rotate, and the rotation of the No. 1 rotating shaft 7 drives the turntable 8 to rotate. The rotation of the turntable 8 drives the No. 1 guide rod 9 to revolve around the center of the turntable 8. The guide groove body 10 is slidably sleeved on the No. 1 guide rod 9. The No. 1 guide rod 9 will rotate and slide in the guide groove body 10, and the guide groove body 10 can only move left and right under the restriction of the two No. 2 guide rods 11. Therefore, the No. 1 guide rod 9 that revolves periodically will cause the guide groove body 10 to move back and forth left and right, and the cutting blade 13 will be driven to move back and forth left and right through the guide groove body 10, so as to realize the segmentation operation of the raw materials in the feed hopper 3. With the continuous addition of raw materials, the segmented raw materials will fall onto the two crushing rollers 23 for subsequent crushing processing;

[0041] The rotation of the No. 1 rotating shaft 7 drives the driving wheel 15 to rotate, and then drives the driven wheel 16 and the No. 2 rotating shaft 14 to rotate through the transmission of the belt 17. The rotation of the No. 2 rotating shaft 14 drives the No. 1 bevel gear 20 to rotate. The rotation of the No. 1 bevel gear 20 drives the No. 2 bevel gear 21 and the No. 3 rotating shaft 18 to rotate through meshing transmission. The rotation of the No. 3 rotating shaft 18 drives the transmission gear 22 and the crushing roller 23 to rotate. The transmission gear 22 on the No. 3 rotating shaft 18 rotates, which will drive another transmission gear 22 and the No. 4 rotating shaft 19 to rotate through meshing transmission, thereby causing the two crushing rollers 23 to rotate, and the rotation directions of the two crushing rollers 23 are opposite, so that the two crushing rollers 23 can cooperate with each other to crush the raw materials between them. The crushed raw materials are sieved out through the sieve plate 4 and collected using relevant containers. The crushing efficiency of the raw materials and the processing efficiency of prebiotics are improved by the crushing assembly.

[0042] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements will not cause the essence of the corresponding technical solutions to deviate from the protection scope of the technical solutions of the embodiments of the present invention.

Claims

1. A process for processing prebiotics for livestock and poultry, characterized in that: The specific processing technology is as follows: S1: Select raw materials and pre-treat them. When selecting raw materials, the source stability, purity and safety of the raw materials should be considered. Pre-treatment includes crushing and dissolving or mixing the raw materials. The selected raw materials are crushed to increase their surface area to facilitate subsequent extraction or fermentation operations; S2: Extract and purify the raw materials. The extraction method adopts enzymatic extraction, using specific enzymes to decompose the cell walls and other components in the raw materials to release prebiotics. The subsequent purification can adopt ion exchange resin purification method to remove impurity ions in the extract through ion exchange resin; S3: After completing the above, the purified prebiotics are fermented, and appropriate fermentation strains are selected according to the type of prebiotics and target efficacy; S4: After the fermentation is completed, the prebiotics are dried and formed to produce the desired prebiotic products; The above-mentioned livestock and poultry prebiotic processing process also involves a raw material crushing device, comprising a machine body (1), the upper surface of the machine body (1) is provided with a through groove (2), a feed hopper (3) is fixedly connected to the through groove (2), a sieve plate (4) is fixedly connected between the inner walls of the machine body (1), a discharge chute (5) is provided on the front of the machine body (1), and a pretreatment mechanism is provided in the machine body (1), and the pretreatment mechanism includes a segmentation component, a transmission component and a crushing component.

2. The process for processing prebiotics for livestock and poultry according to claim 1, characterized in that: The cutting assembly comprises a motor (6) fixedly connected to the upper surface of the machine body (1) through a bracket, the output end of the motor (6) is fixedly connected to a first rotating shaft (7), the first rotating shaft (7) is rotatably connected to the inner top surface of the machine body (1) through a bearing, the bottom end of the first rotating shaft (7) is fixedly connected to a turntable (8), the bottom surface of the turntable (8) is fixedly connected to a first guide rod (9), a guide groove body (10) is slidably sleeved on the first guide rod (9), the side wall of the guide groove body (10) is fixedly connected to two second guide rods (11), the two second guide rods (11) are both slidably connected to the side wall of the machine body (1), the side wall of the feed hopper (3) is provided with a cutting groove (12), a cutting blade (13) is slidably connected in the cutting groove (12), and the side end of the cutting blade (13) is fixedly connected to the side wall of the guide groove body (10).

3. The process for processing prebiotics for livestock and poultry according to claim 2, characterized in that: The transmission assembly comprises a fixed plate fixedly connected to the side wall of the body (1); a second rotating shaft (14) is provided on the side of the body (1); the second rotating shaft (14) is rotatably connected to the bottom surface of the fixed plate through a bearing; a driving wheel (15) is fixedly connected to the circumference of the first rotating shaft (7); a driven wheel (16) is fixedly connected to the circumference of the second rotating shaft (14); and a belt (17) is sleeved between the driving wheel (15) and the driven wheel (16).

4. The process for processing prebiotics for livestock and poultry according to claim 3, characterized in that: The crushing assembly comprises a third rotating shaft (18) and a fourth rotating shaft (19) arranged in the machine body (1); the third rotating shaft (18) and the fourth rotating shaft (19) are both rotatably connected to the side walls of the machine body (1) through bearings; the bottom end of the second rotating shaft (14) is fixedly connected to a first bevel gear (20); the third rotating shaft (18) is fixedly connected to a second bevel gear (21) in the circumferential direction near one end of the second rotating shaft (14); the first bevel gear (20) is meshed with the second bevel gear (21); the third rotating shaft (18) and the fourth rotating shaft (19) are fixedly connected to a transmission gear (22) in the circumferential direction near one end of the second rotating shaft (14); the two transmission gears (22) are meshed; the third rotating shaft (18) and the fourth rotating shaft (19) are fixedly connected to a crushing roller (23) in the circumferential direction.

5. The process for processing prebiotics for livestock and poultry according to claim 2, characterized in that: The upper surface and the bottom surface of the cutting blade (13) are respectively fitted with the inner top surface and the inner bottom surface of the cutting groove (12); the two No. 2 guide rods (11) are in a parallel position relationship; and the two No. 2 guide rods (11) and the guide groove body (10) are in a vertical position relationship.

6. The process for processing prebiotics for livestock and poultry according to claim 3, characterized in that: The driving wheel (15) and the driven wheel (16) are both located above the machine body (1), and the diameter of the driving wheel (15) is greater than the diameter of the driven wheel (16).

7. The process for processing prebiotics for livestock and poultry according to claim 4, characterized in that: The two transmission gears (22) are both located on the side of the machine body (1), and the two transmission gears (22) are respectively arranged concentrically with the third rotating shaft (18) and the fourth rotating shaft (19), the two crushing rollers (23) cooperate with each other and are both located in the machine body (1), and the screen plate (4) is located below the two crushing rollers (23).

8. An application of prebiotics for livestock and poultry, characterized in that: The livestock and poultry are chickens, ducks, pigs and cattle, and the prebiotics can be added to chicken feed, duck feed, pig feed and cattle feed. The prebiotics can be added to the livestock and poultry feed by direct addition, premixing and coating addition.