CN111642769A

CN111642769A - Flexible and adjustable feed preparation system and feed processing method

Info

Publication number: CN111642769A
Application number: CN202010594762.4A
Authority: CN
Inventors: 尤佩华; 尤蒙; 于伟
Original assignee: Jiangsu Agriportal Co ltd
Current assignee: Jiangsu Agriportal Co ltd
Priority date: 2020-06-28
Filing date: 2020-06-28
Publication date: 2020-09-11
Anticipated expiration: 2040-06-28
Also published as: CN111642769B

Abstract

The invention belongs to the technical field of high-end equipment manufacturing, and particularly relates to a flexible and adjustable feed preparation system and a feed processing method. The feed preparation system comprises: a plurality of feed fermentation devices arranged on the support table, a feed granulation device with movable rollers and a discharge pipe connected with the bottom of the feed fermentation device; the movable feed granulating device is connected with the feed fermenting device through the discharge pipe, and is used for granulating fermented feed. The fodder preparation system moves the fodder granulating device to the fodder fermenting device where fermentation is finished through the movable idler wheels and carries out fodder granulating through discharge pipe connection, so that the vacancy rate of equipment can be reduced, and the equipment cost is saved.

Description

Flexible and adjustable feed preparation system and feed processing method

Technical Field

The invention belongs to the technical field of high-end equipment manufacturing, and particularly relates to a flexible and adjustable feed preparation system and a feed processing method.

Background

The environmental temperature is higher in summer and exceeds the temperature-adapted area for sheep growth, so that the metabolism and physiological function of the sheep are disordered, and the disorders are mainly manifested by the increase of body temperature, the reduction of ingestion and activity, the slow growth and development, the reduction of oxidation resistance and immunity, even death of serious people and great economic loss to the breeding industry.

At present, various antibiotics and various hormones are injected into sheep to improve immunity so as to reduce diseases of the sheep in summer, but the antibiotics and the hormones can be remained in mutton.

The feed can be divided into granulated feed and powder according to the shape, the granulated feed needs a feed granulating device, the powder does not need the feed granulating device, and the integrated feed machine only can prepare the feed with a single shape. The fermentation device for preparing the fermented feed generally adopts a temperature control device arranged in the fermentation device to feed back the fermentation temperature of the fermentation device and then adjusts the temperature, and the temperature adjustment in the mode is lagged, so that the fermentation temperature fluctuates.

Therefore, the current feed preparation mode cannot flexibly realize the processing of various feeds.

Disclosure of Invention

The invention provides a flexible and adjustable feed preparation system and a feed processing method.

In order to solve the above technical problem, the present invention provides a feed preparation system, comprising: a plurality of feed fermentation devices arranged on the support table, a feed granulation device with movable rollers and a discharge pipe connected with the bottom of the feed fermentation device; after the fodder fermentation is accomplished, remove the fodder pelletization device and pass through the discharging pipe and be connected with fodder fermenting installation, carry out the fodder pelletization.

Furthermore, a discharging switch is arranged at one end of the discharging pipe close to the bottom of the feed fermentation device; a one-way check valve is arranged on the lower side of the discharging switch; an air pump is arranged between the discharge switch and the one-way check valve and is communicated with the discharge pipe through an air pumping pipe; after the fermentation of the pre-fermented feed is completed, the air pump and the discharge switch are opened, the discharge pipe is pumped, negative pressure is generated in the discharge pipe, and the feed in the fermentation device enters the feed granulating device through the discharge pipe.

Further, the feed fermentation device comprises: the tank body and the cover body are hermetically connected with the tank body; a shell forming a cavity with the outer wall of the tank body is arranged on the outer side of the tank body; the cavity is connected with the constant-temperature circulating water tank through a water inlet pipe and a water outlet pipe; the bottom of the tank body is provided with a discharge hole connected with a discharge pipe.

Further, a stirring shaft is arranged in the inner cavity of the tank body; the stirring shaft is connected with a driving motor arranged on the outer wall of the top of the cover body through a bearing; and the stirring shaft is provided with a plurality of stirring blades.

Further, an exhaust pipe is arranged on the cover body; the exhaust pipe is provided with a pressure controller; when the feed fermentation device performs feed fermentation, the pressure controller is suitable for controlling the exhaust pipe to exhaust when the pressure in the tank body reaches a set peak value; when the feed fermentation device discharges materials, the pressure controller is suitable for controlling the exhaust pipe to intake air when the pressure in the tank body reaches a set valley value.

Further, the feed granulation device comprises: the material collecting box is positioned below the extruder; an extrusion die is arranged at the output end of the extruder; a grain cutting knife connected with a pushing cylinder fixed on the supporting frame is arranged below the extrusion die; after the fermented sheep feed enters the storage bin through the discharge pipe, the sheep feed is extruded by a certain length through the extrusion die, and is cut off by the dicing cutter and then slides into the receiving box along the material guide plate to obtain the sheep feed particles.

Further, a powder feeder is arranged above the material guide plate; the powder feeder is suitable for feeding corn powder to the surface of the material guide plate, so that the outer layer of feed particles is wrapped with the corn powder when the feed particles roll off from the material guide plate; the top and the bottom of the powder feeder are respectively provided with a powder feeding port and a powder discharging port; a powder box and an extraction pump are arranged in the powder feeder; the extraction pump is suitable for conveying the corn powder in the material receiving box into the powder box through the powder conveying pipe; and the bottom of the powder box is provided with a flow divider connected with a powder outlet.

In another aspect, the invention also provides a sheep feed which comprises the following raw materials in parts by mass: 5-7 parts of corn particles, 1-5 parts of cottonseed meal, 1-5 parts of wheat bran, 1-5 parts of soybean meal, 1-5 parts of vinasse, 0.5-1 part of lactic acid bacteria starter and 1-3 parts of Chinese herbal medicines; the Chinese herbal medicine comprises the following components in parts by mass: 4-6 parts of agastache rugosus, 5-15 parts of liquorice, 5-8 parts of honeysuckle and 5-10 parts of chrysanthemum.

In another aspect, the invention also provides a preparation method of the sheep feed, which comprises the following steps: step S1, feeding the ingredients into a feed grinder for grinding to obtain ground materials of the ingredients; step S2, adding the crushed materials of the ingredients and the lactic acid bacteria starter into a feed mixing device, and uniformly mixing to obtain pre-fermented feed; and step S3, feeding the pre-fermented feed into a feed preparation system for fermentation and granulation to obtain the finished sheep feed.

Furthermore, the preparation method is suitable for preparing the sheep feed by adopting a feed preparation system.

The invention has the beneficial effects that the invention provides a feed preparation system, which comprises: a plurality of feed fermentation devices arranged on the support table, a feed granulation device with movable rollers and a discharge pipe connected with the bottom of the feed fermentation device; the movable feed granulating device is connected with the feed fermenting device through the discharge pipe, and is used for granulating fermented feed. The feed preparation system moves the feed granulation device to the fermented feed fermentation device through the movable roller and performs feed granulation through the discharge pipe connection, so that the vacancy rate of equipment can be reduced, and the equipment cost is saved; corn powder is sprayed on the surface of the material guide plate through the powder feeder, so that wet feed particles extruded from the extruder roll down to the material receiving mechanism along the material guide plate to wrap the corn powder, and adhesion among the feed particles is prevented. And as a feed preparation system, the feed fermentation device and the feed granulation device are designed in a split mode, so that the preparation of fermented granulated feeds is met, meanwhile, the preparation of different kinds of feeds, such as the preparation of fermented powder and common granulated feeds, is also met, and the utilization rate of equipment is improved. The invention also provides a sheep feed and a preparation method thereof, the sheep feed contains Chinese herbal medicines for clearing heat and dispelling summer heat, and the feed intake of sheep in summer is improved; the sheep feed is fermented sheep feed and is easier to digest and absorb.

Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.

In order to make the aforementioned and other objects, features and advantages of the present invention comprehensible, preferred embodiments accompanied with figures are described in detail below.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.

FIG. 1 is a schematic structural diagram of a feed fermentation device for preparing sheep feed according to the present invention;

FIG. 2 is a schematic view of the feed granulating apparatus for preparing sheep feed in accordance with the present invention;

FIG. 3 is a schematic view showing the construction of the powder feeder for preparing sheep feed according to the present invention;

FIG. 4 is a flow chart of the process for preparing sheep feed of the present invention;

in the figure:

1-a support table; 2-a roller; 3, a discharge pipe; 4-a discharge switch; 5-one-way check valve; 6-an air pump; 7-an exhaust pipe; 8-vibrating a screen mesh; 9-tank body; 10-a cover body; 11-a housing; 12-a cavity; 13-water inlet pipe; 14-a water outlet pipe; 15-constant temperature circulating water tank; 16-a stirring shaft; 17-a bearing; 18-a drive motor; 19-stirring blades; 20-an exhaust pipe; 21-a pressure controller; 22-a storage bin; 23-an extruder; 24-an extrusion die; 25-a push cylinder; 26-a grain cutter; 27-a material receiving box; 28-a support frame; 29-a material guide plate; 30-powder supply; 31-powder conveying pipe; 32-powder box; 33-an extraction pump; 34-a shunt; 35-powder material inlet; 36-powder discharge port; 37-vibration meter.

Detailed Description

To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings, and it is apparent that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The temperature rises in summer, animals gradually enter a emaciation period, the high temperature in summer can cause inappetence and emaciation of mutton sheep, and although the appetite is not diseases, the breeding benefit of the farm can be affected; various antibiotics and hormones are injected into sheep to improve immunity so as to reduce diseases of the sheep in summer, but the antibiotics and hormones can remain in mutton.

The invention provides a feed preparation system which moves a feed granulating device to a fermented feed fermenting device through a movable roller and performs feed granulation through the connection of a discharge pipe, so that the vacancy rate of equipment can be reduced, and the equipment cost is saved.

Example 1

FIG. 1 is a schematic view of the structure of a feed fermentation apparatus of the present invention;

fig. 2 is a schematic view of the structure of the feed granulating apparatus of the present invention.

As shown in fig. 1 and 2, the present embodiment provides a feed preparation system, including: a plurality of feed fermentation devices arranged on the support table 1, a feed granulation device with movable rollers 2 and a discharge pipe 3 connected with the bottom of the feed fermentation device; after the fodder fermentation is accomplished, remove the fodder pelletization device and pass through discharging pipe 3 and be connected with fodder fermenting installation, carry out the fodder pelletization. This embodiment provides a nimble changeable fodder preparation system, carries out split type design with fodder fermenting installation and fodder pelletization device and can also satisfy different types of fodder preparation when satisfying the preparation of fermented pellet feed, like the preparation of fermentation powder and ordinary pellet feed to the utilization ratio of equipment has been improved.

In the embodiment, one end of the discharge pipe 3 close to the bottom of the feed fermentation device is provided with a discharge switch 4; a one-way check valve 5 is arranged at the lower side of the discharging switch 4; an air pump 6 is arranged between the discharge switch 4 and the one-way check valve 5 and is communicated with the discharge pipe 3 through an air pumping pipe 7; after the fermentation of the pre-fermented feed is completed, the air pump 6 and the discharge switch 4 are opened, the discharge pipe 3 is pumped, negative pressure is generated in the discharge pipe 3, and the feed in the fermentation device enters the feed granulating device through the discharge pipe 3. The discharge switch 4 and the one-way check valve 5 can effectively prevent external gas from entering the feed fermentation device to influence feed fermentation.

In this embodiment, the feed fermentation apparatus includes: the tank body 9 and the cover body 10 are hermetically connected with the tank body 9; a shell 11 forming a cavity 12 with the outer wall of the tank body 9 is arranged on the outer side of the tank body 9; the cavity 12 is connected with a constant-temperature circulating water tank 15 through a water inlet pipe 13 and a water outlet pipe 14; the bottom of the tank body 9 is provided with a discharge hole connected with the discharge pipe 3. The constant-temperature circulating water tank 15 is used for introducing constant-temperature circulating water into the cavity of the fermentation device so as to maintain the constant-temperature environment in the fermentation device.

In the present embodiment, a stirring shaft 16 is arranged in the inner cavity of the tank 9; the stirring shaft 16 is connected with a driving motor 18 arranged on the outer wall of the top of the cover body 10 through a bearing 17; the stirring shaft 16 is provided with a plurality of stirring blades 19. The driving motor 18 drives the stirring blades 19 to uniformly mix the feed in the fermentation device, so that the feed is fermented more completely.

In the present embodiment, the lid 10 is provided with an exhaust pipe 20; a pressure controller 21 is mounted on the exhaust pipe 20; when the feed fermentation device performs feed fermentation, the pressure controller 21 is suitable for controlling the exhaust pipe 20 to exhaust when the pressure in the tank body 9 reaches a set peak value; when the feed fermentation device discharges the feed, the pressure controller 21 is suitable for controlling the air inlet of the exhaust pipe 20 when the pressure in the tank body 9 reaches a set valley value. The pressure controller 21 is adapted to maintain a pressure balance within the fermentation device to prevent damage to the device.

In this embodiment, the feed granulation apparatus comprises: a storage bin 22 connected with the lower end of the discharge pipe 3, an extruder 23 communicated with the bottom of the storage bin 22, and a material receiving box 27 connected with the extruder 23 through a material guide plate 29; an extrusion die 24 is arranged at the output end of the extruder 23; a grain cutting knife 26 connected with a pushing cylinder 25 fixed on a supporting frame 28 is arranged below the extrusion die 24; after the fermented sheep feed enters the storage bin 22 through the discharge pipe 3, the sheep feed is extruded to a certain length through the extrusion die 24, cut off by the granulating cutter 26 and then fall down, and the sheep feed slides along the material guide plate 29 to the material receiving box 27 to obtain sheep feed particles. The pushing cylinder 25 drives the granulating cutter 26 to cut the sheep feed extruded from the extruding die 24, so as to prepare sheep feed particles with uniform length.

FIG. 3 is a schematic view of the powder feeder of the present invention.

As shown in fig. 2 and 3, the upper part of the material receiving box 27 is provided with a vibrating screen 8; the vibrating screen 8 is suitable for shaking the corn flour which is not firmly adhered to the outer layer of the pulp-coated particles to the lower part of the receiving mechanism; the vibrating screen 8 is fixedly connected with a screen frame, and a vibrating instrument 37 connected with the vibrating screen 8 is arranged on the screen frame; the lower part of the material receiving box 27 is communicated with the powder feeder 30 through a powder conveying pipe 31, and is suitable for conveying the corn powder collected at the lower part of the material receiving box 27 to the powder feeder 30 for recycling so as to save raw materials.

In this embodiment, a powder feeder 30 is disposed above the material guide plate 29; the powder feeder 30 is adapted to feed corn powder to the surface of the material guide plate 29 so that the corn powder is coated on the outer layer of the feed pellets when the feed pellets are rolled down from the material guide plate 29. The corn powder is coated in the process that the wet feed particles extruded from the extrusion die 24 are rolled down from the material guide plate 29 to the material receiving box 27, so that the feed particles are prevented from being adhered to each other.

In this example, the top of the meal feeder 30 is provided with a meal feed inlet 35 for feeding corn meal; the bottom of the powder feeder 30 is provided with a powder discharge port 36; a powder box 32 and an extraction pump 33 are arranged in the powder feeder 30; the extraction pump 33 is suitable for conveying the corn powder in the material receiving box 27 into the powder box 32 through the powder conveying pipe 31 so as to recycle the corn powder; the bottom of the powder box 32 is provided with a splitter 34 connected with a powder outlet 36 to uniformly spray the corn powder on the surface of the guide plate 29.

The beneficial effect of the embodiment is that the preparation method of the sheep feed comprises the following steps: feeding the ingredients into a feed grinder for grinding, adding the ingredients and a lactic acid bacteria starter into a feed mixing device for uniform mixing, feeding the ingredients into a feed preparation system for fermentation and granulation to obtain a finished sheep feed; the prepared sheep feed is easier to digest and absorb through fermentation; the feed preparation system moves the feed granulation device to the fermented feed fermentation device through the movable roller and performs feed granulation through the discharge pipe connection, so that the vacancy rate of equipment can be reduced, and the equipment cost is saved; corn powder is sprayed on the surface of the material guide plate through the powder feeder, so that wet feed particles extruded from the extruder roll down to the material receiving mechanism along the material guide plate to wrap the corn powder, and adhesion among the feed particles is prevented.

Example 2

The embodiment provides a sheep feed which comprises the following raw materials in parts by mass: 5 parts of corn particles, 3 parts of cottonseed meal, 4 parts of wheat bran, 5 parts of soybean meal, 2 parts of vinasse, 0.5 part of lactic acid bacteria starter and 1 part of Chinese herbal medicine; the Chinese herbal medicine comprises the following components in parts by mass: 5 parts of wrinkled gianthyssop herb, 10 parts of liquorice, 6 parts of honeysuckle and 8 parts of chrysanthemum.

Example 3

The embodiment provides a sheep feed which comprises the following raw materials in parts by mass: 6 parts of corn particles, 4 parts of cottonseed meal, 3 parts of wheat bran, 2 parts of soybean meal, 3 parts of vinasse, 0.8 part of lactic acid bacteria starter and 2 parts of Chinese herbal medicines; the Chinese herbal medicine comprises the following components in parts by mass: 4 parts of wrinkled gianthyssop herb, 10 parts of liquorice, 7 parts of honeysuckle and 6 parts of chrysanthemum.

Example 4

The embodiment provides a sheep feed which comprises the following raw materials in parts by mass: 6 parts of corn particles, 5 parts of cottonseed meal, 3 parts of wheat bran, 4 parts of soybean meal, 5 parts of vinasse, 1 part of lactic acid bacteria starter and 3 parts of Chinese herbal medicines; the Chinese herbal medicine comprises the following components in parts by mass: 5 parts of wrinkled gianthyssop herb, 12 parts of liquorice, 6 parts of honeysuckle and 8 parts of chrysanthemum.

Example 5

The sheep feed formulations of examples 2 to 4 were used as formulation 1, formulation 2 and formulation 3 in this order.

Taking 400 sheep, dividing into 4 groups for test, feeding different sheep feeds, and calculating average daily food intake of each sheep in each group. Wherein 3 groups are used as test groups to feed sheep feeds prepared by formula 1, formula 2 and formula 3 respectively; the remaining 1 group was fed with normal feed as a control group. Experimental comparative data are shown in table 1:

TABLE 1 average daily feed intake per sheep

As can be seen from the comparative data in the table 1, the feed for sheep provided by the embodiment can effectively improve the daily feed intake of sheep in summer.

Example 6

Figure 4 is a process flow diagram for preparing sheep feed in accordance with the present invention.

As shown in fig. 4, on the basis of embodiments 1 to 5, this embodiment provides a preparation method of sheep feed, which includes the following steps: step S1, feeding the ingredients into a feed grinder for grinding to obtain ground materials of the ingredients; step S2, adding the crushed materials of the ingredients and the lactic acid bacteria starter into a feed mixing device, and uniformly mixing to obtain pre-fermented feed; and step S3, feeding the pre-fermented feed into a feed preparation system for fermentation and granulation to obtain the finished sheep feed. The prepared sheep feed is more digestible and absorbable by fermentation.

The preparation method is suitable for preparing the sheep feed in the embodiment by adopting the feed preparation system in the embodiment.

The beneficial effect of this embodiment is that, the sheep fodder is fermented sheep fodder, and is changeed the digestion and absorbs.

In summary, the present invention provides a feed preparation system, comprising: a plurality of feed fermentation devices arranged on the support table, a feed granulation device with movable rollers and a discharge pipe connected with the bottom of the feed fermentation device; the movable feed granulating device is connected with the feed fermenting device through the discharge pipe, and is used for granulating fermented feed. The feed preparation system moves the feed granulation device to the fermented feed fermentation device through the movable roller and performs feed granulation through the discharge pipe connection, so that the vacancy rate of equipment can be reduced, and the equipment cost is saved; introducing constant-temperature circulating water into the cavity of the fermentation device through the constant-temperature circulating water tank so as to maintain the constant-temperature environment in the fermentation device; corn powder is sprayed on the surface of the material guide plate through the powder feeder, so that wet feed particles extruded from the extruder roll down to the material receiving mechanism along the material guide plate to wrap the corn powder, and adhesion among the feed particles is prevented. And as a feed preparation system, the feed fermentation device and the feed granulation device are designed in a split mode, so that the preparation of fermented granulated feeds is met, meanwhile, the preparation of different kinds of feeds, such as the preparation of fermented powder and common granulated feeds, is also met, and the utilization rate of equipment is improved. The invention also provides a sheep feed and a preparation method thereof, the sheep feed contains Chinese herbal medicines for clearing heat and dispelling summer heat, and the feed intake of sheep in summer is improved; the sheep feed is fermented sheep feed and is easier to digest and absorb.

In the description of the embodiments of the present invention, unless explicitly stated or limited otherwise, the term "connected" is to be understood broadly, e.g. it may be a fixed connection, a detachable connection, or an integral connection; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the several embodiments provided in the present application, it should be understood that the disclosed system, apparatus and method may be implemented in other ways. The above-described embodiments of the apparatus are merely illustrative, and for example, the division of the apparatus is only a logical division, and other divisions may be realized in practice. In light of the foregoing description of the preferred embodiment of the present invention, many modifications and variations will be apparent to those skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.

Claims

1. A feed preparation system, comprising: a plurality of feed fermentation devices arranged on the support table (1), a feed granulation device with movable rollers (2), and a discharge pipe (3) connected with the bottom of the feed fermentation device;

the movable feed granulating device is connected with the feed fermenting device through the discharging pipe (3) to granulate the fermented feed.

2. The feed preparation system of claim 1,

a discharging switch (4) is arranged at one end of the discharging pipe (3) close to the bottom of the feed fermentation device;

a one-way check valve (5) is arranged on the lower side of the discharging switch (4);

an air pump (6) is arranged between the discharging switch (4) and the one-way check valve (5), the air pump is communicated with the discharging pipe (3) through an air pumping pipe (7), so that negative pressure is generated in the discharging pipe (3), and feed in the fermentation device enters the feed granulating device through the discharging pipe (3).

3. The feed preparation system of claim 2,

the fodder fermenting installation includes: the tank body (9) and a cover body (10) hermetically connected with the tank body (9);

a shell (11) forming a cavity (12) with the outer wall of the tank body (9) is arranged on the outer side of the tank body (9);

the cavity (12) is connected with a constant-temperature circulating water tank (15) through a water inlet pipe (13) and a water outlet pipe (14);

the bottom of the tank body (9) is provided with a discharge hole connected with the discharge pipe (3).

4. The feed preparation system of claim 3,

a stirring shaft (16) is arranged in the inner cavity of the tank body (9);

the stirring shaft (16) is connected with a driving motor (18) arranged on the outer wall of the top of the cover body (10) through a bearing (17);

and a plurality of stirring blades (19) are arranged on the stirring shaft (16).

5. The feed preparation system of claim 3,

an exhaust pipe (20) is arranged on the cover body (10);

a pressure controller (21) is arranged on the exhaust pipe (20);

when the feed fermentation device performs feed fermentation, the pressure controller (21) is suitable for controlling the exhaust pipe (20) to exhaust when the pressure in the tank body (9) reaches a set peak value;

when the feed fermentation device discharges materials, the pressure controller (21) is suitable for controlling the air inlet of the exhaust pipe (20) when the pressure in the tank body (9) reaches a set valley value.

6. The feed preparation system of claim 1,

the feed granulating device comprises: a storage bin (22) connected with the lower end of the discharge pipe (3), an extruder (23) communicated with the bottom of the storage bin (22), and a material receiving box (27) connected with the extruder (23) through a material guide plate (29);

an extrusion die (24) is arranged at the output end of the extruder (23);

a granulating cutter (26) connected with a pushing cylinder (25) fixed on a supporting frame (28) is arranged below the extrusion die (24);

after the fermented sheep feed enters a storage bin (22) through a discharge pipe (3), the sheep feed is extruded by a certain length through an extrusion die (24), and then is cut off by a dicing cutter (26) and slides into a material receiving box (27) along a material guide plate (29) to obtain sheep feed particles.

7. The feed preparation system of claim 6,

a powder feeder (30) is arranged above the material guide plate (29);

the powder feeder (30) is suitable for feeding corn powder to the surface of the material guide plate (29) so that the outer layer of the feed particles is coated with the corn powder when the feed particles roll off from the material guide plate (29);

the top and the bottom of the powder feeder (30) are respectively provided with a powder feeding port (35) and a powder discharging port (36) correspondingly;

a powder box (32) and an extraction pump (33) are arranged in the powder feeder (30);

the extraction pump (33) is suitable for conveying the corn powder in the receiving box (27) to the powder box (32) through the powder conveying pipe (31);

the bottom of the powder box (32) is provided with a flow divider (34) connected with a powder outlet (36).

8. A sheep feed is characterized in that,

the sheep feed comprises the following raw materials in parts by mass: 5-7 parts of corn particles, 1-5 parts of cottonseed meal, 1-5 parts of wheat bran, 1-5 parts of soybean meal, 1-5 parts of vinasse, 0.5-1 part of lactic acid bacteria starter and 1-3 parts of Chinese herbal medicines;

the Chinese herbal medicine comprises the following components in parts by mass: 4-6 parts of agastache rugosus, 5-15 parts of liquorice, 5-8 parts of honeysuckle and 5-10 parts of chrysanthemum.

9. The preparation method of the sheep feed is characterized by comprising the following steps:

step S1, feeding the ingredients into a feed grinder for grinding to obtain ground materials of the ingredients;

step S2, adding the crushed materials of the ingredients and the lactic acid bacteria starter into a feed mixing device, and uniformly mixing to obtain pre-fermented feed;

and step S3, feeding the pre-fermented feed into a feed preparation system for fermentation and granulation to obtain the finished sheep feed.

10. The production method according to claim 9,

the preparation method is suitable for preparing the sheep feed as described in claim 8 by using the feed preparation system as described in any one of claims 1-7.