CN115137015A - Method for preparing feed by using edible oil pressed waste residues - Google Patents

Abstract

The invention provides a method for preparing feed by using edible oil pressed waste residues, which comprises the steps of weighing vegetable oil materials, crushing to obtain pressed raw materials, wrapping the pressed raw materials by using an ultrafiltration membrane, placing the pressed raw materials in a hydraulic oil press, pressing to obtain pressed matters, carrying out solid-liquid filtration on the pressed matters to obtain first waste residues, adding a food-grade sodium hydroxide solution into the first waste residues, stirring, filtering and washing to be neutral to obtain waste residues, adding improved powder into the waste residues, fully stirring to obtain feed powder slurry, feeding the feed powder slurry into a granulator, granulating to obtain granular feed, and completing feed preparation.

Description

Method for preparing feed by using edible oil pressed waste residues

Technical Field

The invention relates to the technical field of feeds, in particular to a method for preparing a feed by using edible oil pressed waste residues.

Background

Feed is a general term of food of all animals raised by people, a general feed in a narrower sense mainly refers to food of animals raised in agriculture or animal husbandry, at present, the feed industry mostly takes grain crops such as soybeans, corns and the like as raw materials to produce feed, coarse feed is rich in coarse fiber such as cellulose, hemicellulose, pectin substances, lignin and the like and protein, but is difficult to directly digest and absorb by animals, the burden of intestinal tracts can be increased when the animals eat the feed, the feed is prepared by taking the grain crops as the raw materials, the price is high, the population of China is large, and the supply and demand of the grains are in a tense state for a long time.

Squeezing is a method for preparing edible oil, which directly separates oil from oil material by physical pressure, and the whole process has no chemical additive, thus ensuring the safety, sanitation and no pollution of the product and the natural nutrition is not destroyed.

The method has the advantages that squeezed waste residues are generated after edible oil is squeezed, the waste residues still contain edible oil and are too high in acidity, so that the waste residues are not easy to absorb by animals, and the problems that the edible oil is left in the waste residues and the acidity is too high need to be solved.

Disclosure of Invention

In order to solve the problems, the invention provides a method for solving the problems that edible oil remains in the waste residue and the acidity is too high.

The invention is realized by the following technical scheme:

the invention provides a method for preparing feed by using edible oil pressed waste residues, which comprises the following steps:

weighing vegetable oil materials, and crushing to obtain a squeezed raw material;

wrapping the squeezed raw material by using an ultrafiltration membrane, placing the wrapped raw material into a hydraulic oil press, and squeezing the squeezed raw material to obtain a squeezed material;

performing solid-liquid filtration on the squeezed product to obtain first waste residue;

adding a food-grade sodium hydroxide solution into the first waste residue, stirring, filtering, and washing to be neutral to obtain waste residue;

adding improved powder into the waste residue, and fully stirring to obtain feed powder slurry;

and (3) feeding the feed slurry into a granulator for granulation to obtain granular feed, and finishing feed preparation.

Further, the vegetable oil material is prepared from the following raw materials in parts by weight:

linoleic acid: 8-12 parts;

triglyceride: 12-18 parts;

vitamin E:16-24 parts;

peanut germ: 15-22 parts;

wheat germ: 10-15 parts.

Further, the improved powder comprises the following raw materials in parts by weight:

and (3) feed emulsifier: 1-3 parts;

antibacterial peptide: 0.6-0.8 part;

sodium benzoate: 2-4 parts;

activating bacterial liquid: 6-8 parts;

water: 14-18 parts.

Further, the feed emulsifier is prepared from the following raw materials in parts by weight:

lysine: 3-8 parts;

fatty acid: 1-5 parts;

locust bean gum: 4-7 parts.

Further, the activated bacteria liquid is prepared from the following raw materials in parts by weight:

b, bacillus subtilis: 0.2-0.4 part;

b, bacillus licheniformis: 0.2-0.4 part;

brown sugar: 0.6-1.2 parts;

water: 9-18 parts.

Further, the step of weighing the vegetable oil material and crushing to obtain the pressing raw material comprises:

placing the vegetable fat material to be pulverized in a supersonic jet mill, wherein a supersonic jet mill system is applied to the supersonic jet mill;

setting the milling conditions of the supersonic jet milling system to mill sufficiently to obtain the pressed feedstock, wherein the milling conditions include, but are not limited to, temperature, pressure, supersonic jet velocity, and feed velocity.

Further, the hydraulic oil press includes: conveyer pipe, motor press the material jar, extrusion cam and stock groove, the conveyer pipe with press the material jar to be connected, the motor is located press the material jar top, extrusion cam with the motor is connected through connecting the slide rail, the stock groove is located press the material jar outside, application milipore filter parcel press the raw materials to put as hydraulic oil press, it is right press the raw materials to squeeze, obtain in the step of squeezing the thing, include:

laying the ultrafiltration membrane in the conveying pipe, introducing the squeezed raw material on the surface of the ultrafiltration membrane, and rotating the conveying pipe to enable the ultrafiltration membrane to wrap the squeezed raw material;

conveying the ultrafiltration membrane and the squeezed raw material to the material pressing tank through the conveying pipe;

adjusting the pressing pressure of the extrusion cam to 5000000N-6000000N, and driving the extrusion cam to move through the motor;

and squeezing the squeezed raw materials in the squeezing groove by moving the squeezing cam to obtain the squeezed materials, and transferring the squeezed materials to the storage groove.

Further, hydraulic oil press includes: the step of pressing the pressed raw material in the pressing groove by moving the pressing cam to obtain the pressed material and transferring the pressed material to the storage groove comprises the following steps:

and extruding the squeezed raw material through the extrusion cam so as to separate solid from liquid of the squeezed raw material and obtain a squeezed product.

Further, before the step of adding the improved powder into the waste residue and fully stirring to obtain the feed powder slurry, the method comprises the following steps:

adding the antibacterial peptide into the water according to the parts by weight, and fully stirring to obtain mixed water;

and heating and stirring the mixed water, the feed emulsifier, sodium benzoate and the activated bacterium liquid to obtain the improved powder.

Further, the pelletizer includes: conveying mechanism, granulation mechanism, discharge gate and stoving mechanism, conveying mechanism with granulation mechanism links to each other, the discharge gate is in the granulation mechanism outside, the discharge gate with stoving mechanism links to each other, will the fodder slurry is sent into the granulator and is carried out the granulation, obtains granular feed, in the step of accomplishing fodder preparation, includes:

adding the feed slurry into a granulating mechanism through the conveying mechanism, and producing the granulated feed through the granulating mechanism;

through the discharge gate will granulated feed transmits stoving mechanism to dry to accomplish the fodder preparation.

The invention has the beneficial effects that:

1. the edible oil squeezing method adopted by the invention is simplified by adopting a process, so that the nutritional ingredients of the waste residues obtained by squeezing the edible oil are kept to the maximum extent;

2. in the preparation process of the feed, the acidity of the waste residue is reduced by neutralizing the alkaline solution, and the prepared feed is easy to be absorbed by animals after the waste residue obtained by squeezing the edible oil is added with the improved powder.

Drawings

FIG. 1 is a process flow chart of a method for preparing feed by using edible oil pressed waste residues according to the invention;

the implementation, functional features and advantages of the object of the present application will be further explained with reference to the embodiments, and with reference to the accompanying drawings.

Detailed Description

In order to more clearly and completely describe the technical scheme of the invention, the invention is further described with reference to the accompanying drawings.

Referring to fig. 1, the present invention provides a method for preparing feed by using edible oil pressed waste residues,

example one

Weighing vegetable oil materials, and crushing to obtain a squeezed raw material;

wrapping the squeezed raw material by using an ultrafiltration membrane, placing the wrapped raw material into a hydraulic oil press, and squeezing the squeezed raw material to obtain a squeezed substance;

performing solid-liquid filtration on the squeezed product to obtain first waste residue;

adding a food-grade sodium hydroxide solution into the first waste residue, stirring, filtering, and washing to be neutral to obtain waste residue;

adding improved powder into the waste residue, and fully stirring to obtain feed powder slurry;

and (3) feeding the feed slurry into a granulator for granulation to obtain granular feed, and finishing feed preparation.

In this embodiment, the vegetable fat material is composed of the following raw materials in parts by weight:

linoleic acid: 8 parts of a mixture;

triglyceride: 12 parts of (1);

vitamin E:16 parts of a mixture;

peanut germ: 15 parts of (1);

wheat germ: 10 parts.

In the embodiment, the improved powder comprises the following raw materials in parts by weight:

and (3) feed emulsifier: 1 part;

and (3) antibacterial peptide: 0.6 part;

sodium benzoate: 2 parts of (1);

activating a bacterial liquid: 6 parts;

water: 14 parts of (A).

In the embodiment, the feed emulsifier comprises the following raw materials in parts by weight:

lysine: 3 parts of a mixture;

fatty acid: 1 part;

locust bean gum: 4 parts of the raw materials.

In this embodiment, the activated bacteria liquid is composed of the following raw materials in parts by weight:

b, bacillus subtilis: 0.2 part;

b, bacillus licheniformis: 0.2 part;

brown sugar: 0.6 part;

water: 9 parts.

In this embodiment, the step of weighing the vegetable oil and fat material and crushing to obtain the squeezed raw material includes:

placing the vegetable fat material to be crushed in a supersonic jet mill, wherein a supersonic jet mill system is applied to the supersonic jet mill;

setting the milling conditions of the supersonic jet milling system to mill sufficiently to obtain the pressed feedstock, wherein the milling conditions include, but are not limited to, temperature, pressure, supersonic jet velocity, and feed velocity.

In this embodiment, the hydraulic oil press includes: conveyer pipe, motor press the material jar, extrusion cam and stock groove, the conveyer pipe with press the material jar to be connected, the motor is located press the material jar top, extrusion cam with the motor is connected through connecting the slide rail, the stock groove is located press the material jar outside, application milipore filter parcel press the raw materials to put as hydraulic oil press, it is right press the raw materials to squeeze, obtain in the step of squeezing the thing, include:

laying the ultrafiltration membrane in the conveying pipe, introducing the squeezed raw material on the surface of the ultrafiltration membrane, and rotating the conveying pipe to enable the ultrafiltration membrane to wrap the squeezed raw material;

conveying the ultrafiltration membrane and the squeezed raw material to the material pressing tank through the conveying pipe;

adjusting the pressing pressure of the extrusion cam to 5000000N, and driving the extrusion cam to move through the motor;

and squeezing the squeezed raw material in the squeezing groove by moving the squeezing cam to obtain a squeezed object, and transferring the squeezed object into the storage groove.

In this embodiment, the hydraulic oil press includes: one end of the solid transmission pipeline is connected with the material pressing groove, the other end of the solid transmission pipeline is connected with the material storage groove, the squeezed raw materials in the material pressing groove are squeezed through the movement of the squeezing cam, the squeezed materials are obtained, and the squeezed materials are transferred to the material storage groove, and the method comprises the following steps:

extruding the squeezed raw material through the extrusion cam so as to separate solid from liquid of the squeezed raw material to obtain a squeezed product;

and conveying the pressed materials to the storage tank through the solid conveying pipeline.

In this embodiment, before the step of adding the improved powder into the waste residue and fully stirring to obtain the feed slurry, the method comprises the following steps:

adding the antibacterial peptide into the water according to the parts by weight, and fully stirring to obtain mixed water;

and heating and stirring the mixed water, the feed emulsifier, sodium benzoate and the activated bacteria liquid to destroy the molecular structure in the activated bacteria liquid, thereby obtaining the improved powder.

In this embodiment, the granulator comprises: conveying mechanism, granulation mechanism, discharge gate and stoving mechanism, conveying mechanism with granulation mechanism links to each other, the discharge gate is in the granulation mechanism outside, the discharge gate with stoving mechanism links to each other, will the fodder slurry is sent into the granulator and is carried out the granulation, obtains granular feed, in the step of accomplishing fodder preparation, includes:

adding the feed slurry into a granulating mechanism through the conveying mechanism, and producing the granulated feed through the granulating mechanism;

through the discharge gate will granulated fodder transmits stoving mechanism and dries to accomplish the fodder preparation.

In a specific embodiment, 8 parts of linoleic acid, 12 parts of triglyceride, 16 parts of vitamin E, 15 parts of peanut germ and 10 parts of wheat germ are weighed, the materials are mixed and placed in a supersonic airflow crushing device, the crushing conditions are set as 6 ℃, the pressure is 0.65MPa, the supersonic jet speed is 350m/s, and the feeding speed is 100kg/h, the crushed vegetable oil material is subjected to pressing raw material, the pressed raw material is placed in a hydraulic oil press for pressing, a conveying pipe, a motor, a pressing tank, a pressing cam and a storage tank are arranged in the hydraulic oil press, the conveying pipe is connected with the pressing tank and is used for conveying the pressed raw material into the pressing tank, the motor is positioned above the pressing tank and is connected with the motor through a connecting slide rail, the motor is used for driving the pressing cam to move to press the pressed raw material in the pressing tank, the storage tank is positioned outside the pressing tank, the method comprises the steps of connecting a transmission pipeline with a material pressing groove, transferring obtained waste residues into a material storage groove after squeezing in a material pressing tank, firstly laying an ultrafiltration membrane in the transmission pipeline, wherein the ultrafiltration membrane is a polymer semipermeable membrane which is used for separating polymer colloid or suspended particles with certain size from a solution in the ultrafiltration process, wrapping a squeezed raw material to perform better solid-liquid separation in the squeezing process, driving a squeezing cam to move by braking electricity of a motor, setting the squeezing pressure of the squeezing cam to be 5000000N, fully squeezing, and the squeezing speed in squeezing to be 0.3MPa/min to respectively obtain edible oil and squeezed matters, transmitting the squeezed matters into the material storage groove through the transmission pipeline, taking out the squeezed matters from the material storage groove, performing solid-liquid separation to ensure that all the edible oil is separated from first waste residues, wherein a large amount of acidic substances exist in the first waste residues, the feed additive comprises linoleic acid residues and glyceride residues generated by esterification of fatty acid molecules in triglyceride, a small amount of food-grade sodium hydroxide solution (mass fraction is 2%) is added into first waste residues, the food-grade sodium hydroxide solution is used as an alkaline substance and is neutralized and regulated with the acid residues in the first waste residues to enable the first waste residues to be neutral, the waste residues are obtained, feed preparation is carried out, improved powder is added into the waste residues, antibacterial peptide and activated bacterium liquid in the improved powder are used for regulating the strain content of the feed to ensure that the strain content of the feed can be absorbed by animals, a feed emulsifier is used for improving the emulsification of the feed, lysine in the feed emulsion can promote the absorption of nutrients, can cooperate with some nutrients to better play the physiological functions of various nutrients, and the fatty acid can keep the relative fluidity of cell membranes, in order to ensure the normal physiological function of cells, locust bean gum is used as mixed gel to mix lysine and fatty acid, sodium benzoate is used as a preservative of feed to adjust the performance of the feed, the feed slurry is fully stirred to obtain the feed slurry, the feed slurry is added into a granulator, the granulator comprises a conveying mechanism, a granulating mechanism, a discharge port and a drying mechanism, wherein the conveying mechanism is connected with the granulating mechanism, the conveying mechanism is conveyed into the granulating mechanism to carry out granulation operation after the feed slurry is placed in the conveying mechanism, the discharge port is positioned outside the granulating mechanism, after the granulation is finished, the discharge port conveys out the granulated feed and conveys the granulated feed into the drying mechanism, in the granulation operation, the granulating mechanism is internally provided with granulating holes, the size of the granulating holes is 1mm, a plurality of the granulating holes form a hexagonal granulating disc, the feed slurry is added into the granulating holes to carry out heating and shaping, heating to 40 deg.C, repeatedly obtaining several granular feeds, and drying at 80 deg.C for 1 hr to complete feed preparation.

Example two

Weighing vegetable oil materials, and crushing to obtain a pressed raw material;

wrapping the squeezed raw material by using an ultrafiltration membrane, placing the wrapped raw material into a hydraulic oil press, and squeezing the squeezed raw material to obtain a squeezed material;

carrying out solid-liquid filtration on the squeezed matter to obtain first waste residue;

adding a food-grade sodium hydroxide solution into the first waste residue, stirring, filtering, and washing to be neutral to obtain waste residue;

adding improved powder into the waste residue, and fully stirring to obtain feed powder slurry;

and (3) feeding the feed slurry into a granulator for granulation to obtain granular feed, and completing feed preparation.

In this embodiment, the vegetable fat material is composed of the following raw materials in parts by weight:

linoleic acid: 10 parts of a binder;

triglyceride: 15 parts of (1);

vitamin E:20 parts of (1);

peanut germ: 18.5 parts of;

wheat germ: 12.5 parts.

In the embodiment, the improved powder comprises the following raw materials in parts by weight:

and (3) feed emulsifier: 2 parts of (1);

antibacterial peptide: 0.7 part;

sodium benzoate: 3 parts of a mixture;

activating bacterial liquid: 7 parts;

water: and 16 parts.

In the embodiment, the feed emulsifier comprises the following raw materials in parts by weight:

lysine: 5.5 parts;

fatty acid: 3 parts of a mixture;

locust bean gum: 5.5 parts.

In this embodiment, the activated bacteria liquid is composed of the following raw materials in parts by weight:

b, bacillus subtilis: 0.3 part;

b, bacillus licheniformis: 0.3 part;

brown sugar: 0.9 part;

water: 13.5 parts.

In this embodiment, the step of weighing the vegetable oil and fat material and crushing to obtain the squeezed raw material includes:

placing the vegetable fat material to be pulverized in a supersonic jet mill, wherein a supersonic jet mill system is applied to the supersonic jet mill;

setting the comminution conditions of the supersonic jet milling system for sufficient comminution to obtain the pressed feedstock, wherein the comminution conditions include, but are not limited to, temperature, pressure, supersonic jet velocity, and feed velocity.

In this embodiment, the hydraulic oil press includes: conveyer pipe, motor press the material jar, extrusion cam and stock groove, the conveyer pipe with press the material jar to be connected, the motor is located press the material jar top, extrusion cam with the motor is connected through connecting the slide rail, the stock groove is located press the material jar outside, application milipore filter parcel press the raw materials to put as hydraulic oil press, it is right press the raw materials to squeeze, obtain in the step of squeezing the thing, include:

laying the ultrafiltration membrane in the conveying pipe, introducing the squeezed raw material on the surface of the ultrafiltration membrane, and rotating the conveying pipe to enable the ultrafiltration membrane to wrap the squeezed raw material;

conveying the ultrafiltration membrane and the squeezed raw material to the material pressing tank through the conveying pipe;

adjusting the pressing pressure of the extrusion cam to 5500000N, and driving the extrusion cam to move through the motor;

and squeezing the squeezed raw materials in the squeezing groove by moving the squeezing cam to obtain the squeezed materials, and transferring the squeezed materials to the storage groove.

In this embodiment, the hydraulic oil press includes: one end of the solid transmission pipeline is connected with the material pressing groove, the other end of the solid transmission pipeline is connected with the material storage groove, the squeezed raw material in the material pressing groove is squeezed through the movement of the squeezing cam to obtain the squeezed material, and the squeezed material is transferred to the material storage groove, and the method comprises the following steps:

extruding the squeezed raw material through the extrusion cam so as to separate solid from liquid of the squeezed raw material to obtain a squeezed product;

and conveying the pressed material to the storage tank through the solid conveying pipeline.

In this embodiment, before the step of adding the improved powder to the waste residue and fully stirring to obtain the feed slurry, the method comprises:

adding the antibacterial peptide into the water according to the parts by weight, and fully stirring to obtain mixed water;

and heating and stirring the mixed water, the feed emulsifier, the sodium benzoate and the activated bacterial liquid to destroy the molecular structure of the activated bacterial liquid, thereby obtaining the improved powder.

In this embodiment, the granulator comprises: conveying mechanism, granulation mechanism, discharge gate and stoving mechanism, conveying mechanism with granulation mechanism links to each other, the discharge gate is in the granulation mechanism outside, the discharge gate with stoving mechanism links to each other, will the fodder slurry is sent into the granulator and is carried out the granulation, obtains granular feed, in the step of accomplishing fodder preparation, includes:

the feed powder slurry is added into a granulating mechanism through the conveying mechanism, and the granulated feed is produced through the granulating mechanism;

through the discharge gate will granulated feed transmits stoving mechanism to dry to accomplish the fodder preparation.

In a specific embodiment, 10 parts of linoleic acid, 15 parts of triglyceride, 10 parts of vitamin E, 18.5 parts of peanut germ and 12.5 parts of wheat germ are weighed, the materials are mixed and placed in a supersonic airflow crushing device, the crushing conditions are set as the temperature is 9 ℃, the pressure is 0.7Mpa, the supersonic jet speed is 375m/s, the feeding speed is 125kg/h, the crushed vegetable oil material obtains a pressing raw material, the pressing raw material is placed in a hydraulic oil press for pressing, a conveying pipe, a motor, a pressing tank, a pressing cam and a storage tank are arranged in the hydraulic oil press, the conveying pipe is connected with the pressing tank, the conveying pipe is used for conveying the pressing raw material into the pressing tank, the motor is positioned above the pressing tank, the pressing cam is connected with the motor through a connecting slide rail, the motor is used for driving the pressing cam to move, the pressing raw material in the pressing tank is pressed, the storage tank is positioned outside the pressing tank, the method comprises the steps of connecting a transmission pipeline with a material pressing groove, transferring obtained waste residues into a material storage groove after squeezing is completed in the material pressing tank, firstly laying an ultrafiltration membrane in the transmission pipeline, wherein the ultrafiltration membrane is a macromolecular semipermeable membrane capable of separating macromolecular colloid or suspended particles with certain size from a solution in the ultrafiltration process, wrapping squeezed raw materials to perform better solid-liquid separation in the squeezing process, driving an extrusion cam to move by a motor brake, setting the squeezing pressure of the extrusion cam to be 5500000N for full squeezing, and the squeezing speed during squeezing to be 0.4MPa/min to respectively obtain edible oil and squeezed matters, transmitting the squeezed matters into the material storage groove through the transmission pipeline, performing solid-liquid separation after the squeezed matters are taken out from the material storage groove to ensure that all the edible oil is separated from first waste residues, wherein a large amount of acidic substances exist in the first waste residues, the feed additive comprises linoleic acid residues and glyceride residues generated by esterification of fatty acid molecules in triglyceride, a small amount of food-grade sodium hydroxide solution (mass fraction is 2%) is added into first waste residues, the food-grade sodium hydroxide solution is used as an alkaline substance and is neutralized and regulated with the acid residues in the first waste residues to enable the first waste residues to be neutral, the waste residues are obtained, feed preparation is carried out, improved powder is added into the waste residues, antibacterial peptide and activated bacterium liquid in the improved powder are used for regulating the strain content of the feed to ensure that the strain content of the feed can be absorbed by animals, a feed emulsifier is used for improving the emulsification of the feed, lysine in the feed emulsion can promote the absorption of certain nutrients, can cooperate with the nutrients to better play the physiological functions of various nutrients, and fatty acid can keep the relative fluidity of cell membranes, in order to ensure the normal physiological function of cells, locust bean gum is used as mixed gel to mix lysine and fatty acid, sodium benzoate is used as preservative of feed to adjust the performance of the feed, the feed slurry is fully stirred to obtain the feed slurry, the feed slurry is added into a granulator, the granulator comprises a conveying mechanism, a granulating mechanism, a discharge port and a drying mechanism, wherein the conveying mechanism is connected with the granulating mechanism, the conveying mechanism is conveyed into the granulating mechanism to carry out granulating operation after the feed slurry is placed into the conveying mechanism, the discharge port is positioned outside the granulating mechanism, after granulation is finished, the discharge port conveys the granulated feed out and conveys the granulated feed into the drying mechanism, in the granulating operation, a granulating hole is arranged inside the granulating mechanism, the size of the granulating hole is 1mm and 1mm, a plurality of granulating holes form a hexagonal granulating disc, the feed slurry is added into the granulating hole to carry out heating and shaping, heating to 40 deg.C, repeatedly obtaining several granular feeds, and drying at 80 deg.C for 1 hr to complete feed preparation.

EXAMPLE III

Weighing vegetable oil materials, and crushing to obtain a squeezed raw material;

wrapping the squeezed raw material by using an ultrafiltration membrane, placing the wrapped raw material into a hydraulic oil press, and squeezing the squeezed raw material to obtain a squeezed material;

carrying out solid-liquid filtration on the squeezed matter to obtain first waste residue;

adding a food-grade sodium hydroxide solution into the first waste residue, stirring, filtering, and washing to be neutral to obtain waste residue;

adding improved powder into the waste residue, and fully stirring to obtain feed powder slurry;

and (3) feeding the feed slurry into a granulator for granulation to obtain granular feed, and finishing feed preparation.

In this embodiment, the vegetable fat material is composed of the following raw materials in parts by weight:

linoleic acid: 12 parts of (1);

triglyceride(s): 18 parts of a binder;

vitamin E:24 parts of (1);

peanut germ: 22 parts of (A);

wheat germ: 15 parts.

In the embodiment, the improved powder comprises the following raw materials in parts by weight:

and (3) feed emulsifier: 3 parts of a mixture;

and (3) antibacterial peptide: 0.8 part;

sodium benzoate: 4 parts of a mixture;

activating bacterial liquid: 8 parts;

water: and 18 parts of.

In this embodiment, the feed emulsifier is composed of the following raw materials in parts by weight:

lysine: 8 parts of a mixture;

fatty acid: 5 parts of a mixture;

locust bean gum: and 7 parts.

In this embodiment, the activated bacteria liquid is composed of the following raw materials in parts by weight:

b, bacillus subtilis: 0.4 part;

b, bacillus licheniformis: 0.4 part;

brown sugar: 1.2 parts of;

water: and 18 parts of.

In this embodiment, the step of weighing the vegetable oil and fat material and pulverizing to obtain the squeezed raw material includes:

placing the vegetable fat material to be pulverized in a supersonic jet mill, wherein a supersonic jet mill system is applied to the supersonic jet mill;

setting the comminution conditions of the supersonic jet milling system for sufficient comminution to obtain the pressed feedstock, wherein the comminution conditions include, but are not limited to, temperature, pressure, supersonic jet velocity, and feed velocity.

In this embodiment, the hydraulic oil press includes: conveyer pipe, motor press the material jar, extrusion cam and stock groove, the conveyer pipe with press the material jar to be connected, the motor is located press the material jar top, extrusion cam with the motor is connected through connecting the slide rail, the stock groove is located press the material jar outside, application milipore filter parcel press the raw materials to put as hydraulic oil press, it is right press the raw materials to squeeze, obtain in the step of squeezing the thing, include:

laying the ultrafiltration membrane in the conveying pipe, introducing the squeezed raw material on the surface of the ultrafiltration membrane, and rotating the conveying pipe to enable the ultrafiltration membrane to wrap the squeezed raw material;

conveying the ultrafiltration membrane and the squeezed raw material to the material pressing tank through the conveying pipe;

adjusting the pressing pressure of the pressing cam to 6000000N, and driving the pressing cam to move through the motor;

and squeezing the squeezed raw material in the squeezing groove by moving the squeezing cam to obtain a squeezed object, and transferring the squeezed object into the storage groove.

In this embodiment, the hydraulic oil press includes: one end of the solid transmission pipeline is connected with the material pressing groove, the other end of the solid transmission pipeline is connected with the material storage groove, the squeezed raw materials in the material pressing groove are squeezed through the movement of the squeezing cam, the squeezed materials are obtained, and the squeezed materials are transferred to the material storage groove, and the method comprises the following steps:

extruding the squeezed raw material through the extrusion cam so as to separate solid from liquid of the squeezed raw material to obtain a squeezed product;

and conveying the pressed material to the storage tank through the solid conveying pipeline.

In this embodiment, before the step of adding the improved powder to the waste residue and fully stirring to obtain the feed slurry, the method comprises:

adding the antibacterial peptide into the water in parts by weight, and fully stirring to obtain mixed water;

and heating and stirring the mixed water, the feed emulsifier, sodium benzoate and the activated bacteria liquid to destroy the molecular structure in the activated bacteria liquid, thereby obtaining the improved powder.

In this embodiment, the granulator comprises: conveying mechanism, granulation mechanism, discharge gate and stoving mechanism, conveying mechanism with granulation mechanism links to each other, the discharge gate is in the granulation mechanism outside, the discharge gate with stoving mechanism links to each other, will the fodder slurry is sent into the granulator and is carried out the granulation, obtains granular feed, in the step of accomplishing fodder preparation, includes:

adding the feed slurry into a granulating mechanism through the conveying mechanism, and producing the granulated feed through the granulating mechanism;

through the discharge gate will granulated fodder transmits stoving mechanism and dries to accomplish the fodder preparation.

In a specific embodiment, 12 parts of linoleic acid, 18 parts of triglyceride, 24 parts of vitamin E, 22 parts of peanut germ and 15 parts of wheat germ are weighed, the materials are mixed and placed in a supersonic airflow crushing device, the crushing conditions are set to be 15 ℃, the pressure is 0.75Mpa, the supersonic jet speed is 400m/s, the feeding speed is 150kg/h, the crushed vegetable oil material obtains a pressed raw material, the pressed raw material is placed in a hydraulic oil press for pressing, a conveying pipe, a motor, a material pressing tank, a pressing cam and a material storage tank are arranged in the hydraulic oil press, the conveying pipe is connected with the material pressing tank, the conveying pipe is used for conveying the pressed raw material into the material pressing tank, the motor is positioned above the material pressing tank, the pressing cam is connected with the motor through a connecting slide rail, the motor is used for driving the pressing cam to move, the pressed raw material in the material pressing tank is pressed, the material storage tank is positioned outside the material pressing tank, the method comprises the steps of connecting a transmission pipeline with a material pressing groove, transferring obtained waste residues into a material storage groove after squeezing in a material pressing tank, firstly laying an ultrafiltration membrane in the transmission pipeline, wherein the ultrafiltration membrane is a polymer semipermeable membrane which is used for separating polymer colloid or suspended particles with certain size from a solution in the ultrafiltration process, wrapping a squeezed raw material to perform better solid-liquid separation in the squeezing process, driving a squeezing cam to move by braking electricity of a motor, setting the squeezing pressure of the squeezing cam to be 6000000N, fully squeezing, and the squeezing speed in squeezing to be 0.5MPa/min to respectively obtain edible oil and squeezed products, transmitting the squeezed products into the material storage groove through the transmission pipeline, taking out the squeezed products from the material storage groove, performing solid-liquid separation to ensure that all the edible oil is separated from first waste residues, wherein a large amount of acidic substances exist in the first waste residues, the feed additive comprises linoleic acid residues and glyceride residues generated by esterification of fatty acid molecules in triglyceride, a small amount of food-grade sodium hydroxide solution (mass fraction is 2%) is added into first waste residues, the food-grade sodium hydroxide solution is used as an alkaline substance and is neutralized and regulated with acid residues in the first waste residues, so that the first waste residues are neutral, the waste residues are obtained, feed preparation is carried out, improved powder is added into the waste residues, antibacterial peptide and activated bacteria liquid in the improved powder are used for regulating the strain content of the feed, bacillus subtilis in the activated bacteria liquid and ensuring that the strain content of the feed can be absorbed by animals, and a feed emulsifier is used for improving the emulsification of the feed, wherein lysine in the feed emulsion can promote the absorption of certain nutrients and can cooperate with certain nutrients to better play the physiological functions of various nutrients, the locust bean gum is used as gel to mix lysine and fatty acid, the sodium benzoate is used as preservative of feed to regulate the performance of the feed, the feed slurry is fully stirred to obtain the feed slurry, the feed slurry is added into a granulator, the granulator comprises a conveying mechanism, a granulating mechanism, a discharge port and a drying mechanism, wherein the conveying mechanism is connected with the granulating mechanism, the conveying mechanism is conveyed into the granulating mechanism to carry out granulating operation after the feed slurry is put into the granulating mechanism, the discharge port is positioned outside the granulating mechanism, after granulation is completed, the discharge port conveys out the granulated feed and transmits the granulated feed into the drying mechanism, in the granulating operation, the granulating mechanism is internally provided with granulating holes, the size of the granulating holes is 1mm, a plurality of the granulating holes form a hexagonal granulating disc, and the feed slurry is added into the granulating holes, heating and shaping at 40 deg.C, repeatedly obtaining several granular feeds, and drying at 80 deg.C for 1 hr to complete feed preparation.

Comparative example

Weighing 8 parts of linoleic acid, 12 parts of triglyceride, 16 parts of vitamin E, 15 parts of peanut germ and 10 parts of wheat germ, mixing the materials, putting the mixture into a supersonic airflow crushing device, crushing the plant oil material to obtain a pressed raw material, putting the pressed raw material into a hydraulic oil press, pressing, filtering waste residues obtained by pressing, directly adding the waste residues into a granulator for preparing the feed, adding feed powder slurry into granulation holes, heating for shaping, wherein the heating temperature is 40 ℃, multiple times of circulation are carried out to obtain a plurality of granular feeds, and in the process of drying the granular feeds, the drying temperature is 80 ℃, and the drying time is 1h, so that the feed preparation is completed.

The method for preparing the feed by using the edible oil press residue prepared in the embodiments 1 to 3 of the present invention was performed with performance tests, and the results are shown in table 1.

TABLE 1

As can be seen from table 1, in the comparative example, the fat content is greater than 10%, the nitrogen content is low, and the prepared feed is not easy to digest by animals when being fed to the animals, and the feeds prepared by using edible oil in the first, second and third examples of the present invention have the advantages that the fat content is obviously reduced, the reduction of the fat content can easily reduce diarrhea or overfertification of the animals, the excessively high feed content can inhibit the reproduction of ruminal microorganisms for livestock, so that the digestion function is reduced, the feed to be prepared has the low fat content, only the requirement of ruminant fat forming body is met, the nitrogen content in the feed indirectly reflects the crude protein content of the feed, the requirement of the animals on the protein content is high, the higher nitrogen content corresponds to the higher crude protein content, and the nitrogen content of the feed prepared by using the present invention is far higher than that of the original technology, so the method for preparing the feed by using the edible oil to squeeze the present invention is more excellent waste residue.

Of course, the present invention may have other embodiments, and based on the embodiments, other embodiments obtained by persons skilled in the art without any creative work are within the protection scope of the present invention.

Claims (10)

1. A method for preparing feed by using the squeezed waste residue of edible oil is characterized by comprising the following steps:

weighing vegetable oil materials, and crushing to obtain a pressed raw material;

wrapping the squeezed raw material by using an ultrafiltration membrane, placing the wrapped raw material into a hydraulic oil press, and squeezing the squeezed raw material to obtain a squeezed substance;

performing solid-liquid filtration on the squeezed product to obtain first waste residue;

adding a food-grade sodium hydroxide solution into the first waste residue, stirring, filtering, and washing to be neutral to obtain waste residue;

adding improved powder into the waste residue, and fully stirring to obtain feed powder slurry;

and (3) feeding the feed slurry into a granulator for granulation to obtain granular feed, and completing feed preparation.

2. The method for preparing the feed by using the edible oil pressed waste residue as claimed in claim 1, wherein the vegetable oil and fat material is prepared from the following raw materials in parts by weight:

linoleic acid: 8-12 parts;

triglyceride: 12-18 parts;

vitamin E:16-24 parts;

peanut germ: 15-22 parts;

wheat germ: 10-15 parts.

3. The method for preparing the feed by using the edible oil pressed waste residue as claimed in claim 1, wherein the improved powder comprises the following raw materials in parts by weight:

and (3) feed emulsifier: 1-3 parts;

antibacterial peptide: 0.6-0.8 part;

sodium benzoate: 2-4 parts;

activating bacterial liquid: 6-8 parts;

water: 14-18 parts.

4. The method for preparing the feed by using the edible oil squeezing waste residue as the claim 3, wherein the feed emulsifier is prepared from the following raw materials in parts by weight:

lysine: 3-8 parts;

fatty acid: 1-5 parts;

locust bean gum: 4-7 parts.

5. The method for preparing the feed by utilizing the edible oil squeezing waste residues as claimed in claim 3, wherein the activated bacterium liquid is prepared from the following raw materials in parts by weight:

b, bacillus subtilis: 0.2-0.4 part;

b, bacillus licheniformis: 0.2-0.4 part;

brown sugar: 0.6-1.2 parts;

water: 9-18 parts.

6. The method for preparing feed by using edible oil pressing waste residue as claimed in claim 1, wherein the step of weighing vegetable oil and fat materials and crushing to obtain pressing raw materials comprises:

placing the vegetable fat material to be pulverized in a supersonic jet mill, wherein a supersonic jet mill system is applied to the supersonic jet mill;

setting the comminution conditions of the supersonic jet milling system for sufficient comminution to obtain the pressed feedstock, wherein the comminution conditions include, but are not limited to, temperature, pressure, supersonic jet velocity, and feed velocity.

7. The method for preparing fodder using edible oil press residues as claimed in claim 1, wherein the hydraulic oil press comprises: conveyer pipe, motor press the material jar, extrusion cam and stock groove, the conveyer pipe with press the material jar to be connected, the motor is located press the material jar top, extrusion cam with the motor is connected through connecting the slide rail, the stock groove is located press the material jar outside, application milipore filter parcel press the raw materials to put as hydraulic oil press, it is right press the raw materials to squeeze, obtain in the step of squeezing the thing, include:

laying the ultrafiltration membrane in the conveying pipe, introducing the squeezed raw material on the surface of the ultrafiltration membrane, and rotating the conveying pipe to enable the ultrafiltration membrane to wrap the squeezed raw material;

conveying the ultrafiltration membrane and the squeezed raw material to the material pressing tank through the conveying pipe;

adjusting the pressing pressure of the extrusion cam to 5000000N-6000000N, and driving the extrusion cam to move through the motor;

and squeezing the squeezed raw materials in the squeezing groove by moving the squeezing cam to obtain the squeezed materials, and transferring the squeezed materials to the storage groove.

8. The method for preparing fodder using edible oil press residues as claimed in claim 7, wherein the hydraulic oil press comprises: the step of pressing the pressed raw material in the pressing groove by moving the pressing cam to obtain the pressed material and transferring the pressed material to the storage groove comprises the following steps:

extruding the squeezed raw material through the extrusion cam so as to separate solid from liquid of the squeezed raw material to obtain a squeezed product;

and conveying the pressed material to the storage tank through the solid conveying pipeline.

9. The method for preparing feed by using edible oil to squeeze waste residue as claimed in claim 3, wherein the step of adding the improved powder into the waste residue and fully stirring to obtain feed powder slurry comprises the following steps:

adding the antibacterial peptide into the water in parts by weight, and fully stirring to obtain mixed water;

and heating and stirring the mixed water, the feed emulsifier, sodium benzoate and the activated bacterium liquid to obtain the improved powder.

10. The method for preparing feed by using edible oil pressed waste residue as claimed in claim 1, wherein the granulator comprises: conveying mechanism, granulation mechanism, discharge gate and stoving mechanism, conveying mechanism with granulation mechanism links to each other, the discharge gate is in the granulation mechanism outside, the discharge gate with stoving mechanism links to each other, will the fodder slurry is sent into the granulator and is carried out the granulation, obtains granular feed, in the step of accomplishing fodder preparation, includes:

adding the feed slurry into a granulating mechanism through the conveying mechanism, and producing the granulated feed through the granulating mechanism;

through the discharge gate will granulated fodder transmits stoving mechanism and dries to accomplish the fodder preparation.

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