Preparation method of envelopes of phosphoric acid micropore acidulant granules

Abstract

The invention relates to a preparation method of envelopes of phosphoric acid micropore acidulant granules. The preparation method comprises the following specific steps: (1) mixing 10-15 parts of chitosan, 10-15 parts of citric acid, and 10-15 parts of malic acid to obtain a mixture A, screening the mixture with a sieve of 300 meshes, adding lactic acid and polyethylene glycol, uniformly mixing the screened mixture A, the lactic acid and the polyethylene glycol to obtain a mixture B, spraying the mixture B, and pelleting the sprayed mixture B; (2) uniformly mixing 3-5 parts of phosphoric acid, 1-2 parts of formic acid, 8-10 parts of acetic acid, 3-5 parts of propanoic acid, 8-10 parts of butyric acid, hydroxypropyl methyl cellulose, gas phase silicon dioxide and the pelleted mixture B obtained in the step (1) to obtain a mixture C, pelleting the mixture C by using a screw extruder, and oppositely impacting the pelleted mixture C by using airflows during pelleting; (3) and uniformly mixing 1-3 parts of phosphoric acid, 1-3 parts of fumaric acid, 5-10 parts of ethanol, 1-3 parts of benzoic acid, and 20-25 parts of melted polyacrylic resins to obtain a liquid lagging cover for lagging covers. According to the preparation method disclosed by the invention, the preparation technology is simple, the performance is stable, the storage is easy, the quality guarantee period is long, the preparation method has the notable effect of protecting the health of the alimentary canals of livestock, and the bioactivity of the livestock can be obviously improved.

Description

technical field

[0001] The invention relates to the technical field of coating in feed production, in particular to a coating preparation method of a feed acidifier. Background technique

[0002] Acidulant is a commonly used feed additive, which can increase the acidity of feed, and the use of acidulant can reduce the pH value of animal gastrointestinal tract, thereby improving the mechanism of digestive activity of animal gastrointestinal tract, adding an appropriate amount of acidulant to livestock and poultry feed , can activate a variety of digestive zymogen activities, promote the digestion and absorption of nutrients and prevent diarrhea; reduce the impact caused by heat stress; reduce the risk of transmission of pathogenic bacteria such as E. coli and Salmonella.

[0003] Among them, small molecular organic acids such as formic acid, acetic acid and propionic acid can not only reduce the pH value, but also inhibit Gram-negative bacteria; large molecular organic acids ...

Examples

Embodiment 1

[0020] The coating preparation method of the phosphoric acid microporous acidifier granules, the specific steps are as follows:

[0021] (1) Mix 10 parts of chitosan, 10 parts of citric acid and 10 parts of malic acid through a 300-mesh sieve, add 20 parts of lactic acid and 5 parts of polyethylene glycol, mix well and then spray granulate; The temperature is 90°C, the outlet temperature is 60°C, and the granulation particle size is 100 microns.

[0022] (2) 3 parts of phosphoric acid, 1 part of formic acid, 8 parts of acetic acid, 3 parts of propionic acid, 8 parts of butyric acid, 10 parts of hydroxypropyl methylcellulose, 2 parts of fumed silicon dioxide and the preparation obtained in step (1) The granules are mixed evenly and granulated by a screw extruder; the particle size of the granulated by the screw extruder is 300 microns. During the granulation process, the left-right symmetrical high-pressure nitrogen flow with a pressure of 0.15Mpa is relatively rushed towards ...

Embodiment 2

[0026] The coating preparation method of the phosphoric acid microporous acidifier granules, the specific steps are as follows:

[0027] (1) Mix 12 parts of chitosan, 15 parts of citric acid, and 15 parts of malic acid through a 300-mesh sieve, add 30 parts of lactic acid and 8 parts of polyethylene glycol, mix well and then spray granulate; The temperature is 100°C, the outlet temperature is 70°C, and the granulation particle size is 150 microns.

[0028] (2) 5 parts of phosphoric acid, 2 parts of formic acid, 10 parts of acetic acid, 5 parts of propionic acid, 10 parts of butyric acid, 12 parts of hydroxypropyl methylcellulose, 3 parts of fumed silicon dioxide and the preparation obtained in step (1) The granules are mixed evenly and granulated by a screw extruder; the particle size of the granulated by the screw extruder is 500 microns. During the granulation process, the left-right symmetrical high-pressure argon gas flow with a pressure of 0.18Mpa is relatively rushed to...

Embodiment 3

[0032] The coating preparation method of the phosphoric acid microporous acidifier granules, the specific steps are as follows:

[0033] (1) Mix 11 parts of chitosan, 12 parts of citric acid, and 12 parts of malic acid through a 300-mesh sieve, add 25 parts of lactic acid and 7 parts of polyethylene glycol, and spray granulation after mixing evenly; The temperature is 95°C, the outlet temperature is 65°C, and the granulation particle size is 120 microns.

[0034] (2) 4 parts of phosphoric acid, 1.5 parts of formic acid, 9 parts of acetic acid, 4 parts of propionic acid, 9 parts of butyric acid, 11 parts of hydroxypropyl methylcellulose, 2.5 parts of fumed silicon dioxide and the preparation obtained in step (1) The granules are mixed evenly and granulated by a screw extruder; the particle size of the granulated by the screw extruder is 400 microns. During the granulation process, the left-right symmetrical high-pressure nitrogen flow with a pressure of 0.16Mpa is relatively r...

technical field

[0001] The invention relates to the technical field of coating in feed production, in particular to a coating preparation method of a feed acidifier. Background technique

[0002] Acidulant is a commonly used feed additive, which can increase the acidity of feed, and the use of acidulant can reduce the pH value of animal gastrointestinal tract, thereby improving the mechanism of digestive activity of animal gastrointestinal tract, adding an appropriate amount of acidulant to livestock and poultry feed , can activate a variety of digestive zymogen activities, promote the digestion and absorption of nutrients and prevent diarrhea; reduce the impact caused by heat stress; reduce the risk of transmission of pathogenic bacteria such as E. coli and Salmonella.

[0003] Among them, small molecular organic acids such as formic acid, acetic acid and propionic acid can not only reduce the pH value, but also inhibit Gram-negative bacteria; large molecular organic acids ...

Examples

Embodiment 1

[0020] The coating preparation method of the phosphoric acid microporous acidifier granules, the specific steps are as follows:

[0021] (1) Mix 10 parts of chitosan, 10 parts of citric acid and 10 parts of malic acid through a 300-mesh sieve, add 20 parts of lactic acid and 5 parts of polyethylene glycol, mix well and then spray granulate; The temperature is 90°C, the outlet temperature is 60°C, and the granulation particle size is 100 microns.

[0022] (2) 3 parts of phosphoric acid, 1 part of formic acid, 8 parts of acetic acid, 3 parts of propionic acid, 8 parts of butyric acid, 10 parts of hydroxypropyl methylcellulose, 2 parts of fumed silicon dioxide and the preparation obtained in step (1) The granules are mixed evenly and granulated by a screw extruder; the particle size of the granulated by the screw extruder is 300 microns. During the granulation process, the left-right symmetrical high-pressure nitrogen flow with a pressure of 0.15Mpa is relatively rushed towards ...

Embodiment 2

[0026] The coating preparation method of the phosphoric acid microporous acidifier granules, the specific steps are as follows:

[0027] (1) Mix 12 parts of chitosan, 15 parts of citric acid, and 15 parts of malic acid through a 300-mesh sieve, add 30 parts of lactic acid and 8 parts of polyethylene glycol, mix well and then spray granulate; The temperature is 100°C, the outlet temperature is 70°C, and the granulation particle size is 150 microns.

[0028] (2) 5 parts of phosphoric acid, 2 parts of formic acid, 10 parts of acetic acid, 5 parts of propionic acid, 10 parts of butyric acid, 12 parts of hydroxypropyl methylcellulose, 3 parts of fumed silicon dioxide and the preparation obtained in step (1) The granules are mixed evenly and granulated by a screw extruder; the particle size of the granulated by the screw extruder is 500 microns. During the granulation process, the left-right symmetrical high-pressure argon gas flow with a pressure of 0.18Mpa is relatively rushed to...

Embodiment 3

[0032] The coating preparation method of the phosphoric acid microporous acidifier granules, the specific steps are as follows:

[0033] (1) Mix 11 parts of chitosan, 12 parts of citric acid, and 12 parts of malic acid through a 300-mesh sieve, add 25 parts of lactic acid and 7 parts of polyethylene glycol, and spray granulation after mixing evenly; The temperature is 95°C, the outlet temperature is 65°C, and the granulation particle size is 120 microns.

[0034] (2) 4 parts of phosphoric acid, 1.5 parts of formic acid, 9 parts of acetic acid, 4 parts of propionic acid, 9 parts of butyric acid, 11 parts of hydroxypropyl methylcellulose, 2.5 parts of fumed silicon dioxide and the preparation obtained in step (1) The granules are mixed evenly and granulated by a screw extruder; the particle size of the granulated by the screw extruder is 400 microns. During the granulation process, the left-right symmetrical high-pressure nitrogen flow with a pressure of 0.16Mpa is relatively r...