CN104652157A - A cellulose preparing method - Google Patents

Abstract

The invention relates to a cellulose preparing method. The method includes a step of selecting materials, a step of preparing crude powder, a step of drying and sterilizing, a step of performing fine grinding and a step of screening in order. Products of the method are good in dispersity, not liable to cake, not liable to discolor during drying, free of damage to fiber cells, excellent in toughness, high in content of fine grinding finished products, high in production efficiency, obvious in economic benefit, simple and stable in process, capable of continuous automatic production, good in product quality, high in output and suitable for wide popularization and application.

Description

A kind of cellulosic manufacture method

Technical field

The present invention relates to a kind of cellulosic manufacture method.

Background technology

In prior art, comprise pulverizing, drying, fine grinding and screening manufacture method for the manufacture of cellulose time, product dispersiveness is poor, easily lumps, and time dry, product is easy to change, become and stick with paste, destroy fibrocyte, reduce toughness, quality defect, fine grinding finished product material content is lower, and production efficiency is not high.

Summary of the invention

The object of the invention is the defect overcoming prior art existence, a kind of cellulosic manufacture method is provided.

The technical scheme realizing the object of the invention is: a kind of cellulosic manufacture method, and step is as follows:

A, to select materials: be manufacture raw material with the lignocellulose of leaf wood, add 1.1 ~ 2.5% starch and 0.1 ~ 0.25% vegetable oil, 0.01 ~ 0.02% soda;

B, meal: meal is carried out to above-mentioned batch mixing with pulverizer, obtaining diameter is the meal of 2 ~ 15mm, and the ratio shared by the coarse fodder wherein between 2 ~ 12mm is no less than 80%;

C, dry sterilization: meal is carried out drying, makes moisture <7%, drying equipment is the ultraviolet sterilizing vibration drying tower of five layers, ground floor temperature 80 DEG C, the second layer 50 DEG C, third layer 20 DEG C ~ 30 DEG C, 4th layer of room temperature, layer 5 room temperature, then carry out ultraviolet disinfection;

D, fine grinding: the meal after sterilizing is placed on bar type vibratom and refines, obtain the fine grinding powder that 80 ~ 120 object finished product material content are no less than 90%;

E, screening: sieved by fine grinding powder with classifying screen, wherein 80 ~ 100 orders are one-level, and 100 ~ 120 orders are one-level, and 120 ~ 240 orders are one-level, divide grade packaged.

The present invention has positive effect: product is better dispersed, prevented from caking, not easy to change time dry, meeting fibrocyte can not be broken, toughness is very good, and fine grinding finished product material content is higher, and production efficiency is higher, there is significant economic benefit, present invention process simple and stable, can continuous automatic production, and product quality is better, output is large, is suitable for extensively promoting the use of.

Detailed description of the invention

Embodiment 1

A, to select materials: be manufacture raw material with the lignocellulose of leaf wood, add 1.1% starch and 0.25% vegetable oil, 0.01% soda;

B, meal: meal is carried out to above-mentioned batch mixing with pulverizer, obtaining diameter is the meal of 2 ~ 15mm, and the ratio shared by the coarse fodder wherein between 2 ~ 12mm is no less than 80%;

C, dry sterilization: meal is carried out drying, makes moisture <7%, drying equipment is the ultraviolet sterilizing vibration drying tower of five layers, ground floor temperature 80 DEG C, the second layer 50 DEG C, third layer 20 DEG C ~ 30 DEG C, 4th layer of room temperature, layer 5 room temperature, then carry out ultraviolet disinfection;

D, fine grinding: the meal after sterilizing is placed on bar type vibratom and refines, obtain the fine grinding powder that 80 ~ 120 object finished product material content are no less than 90%;

E, screening: sieved by fine grinding powder with classifying screen, wherein 80 ~ 100 orders are one-level, and 100 ~ 120 orders are one-level, and 120 ~ 240 orders are one-level, divide grade packaged.

Embodiment 2

A, to select materials: be manufacture raw material with the lignocellulose of leaf wood, add 1.5% starch and 0.21% vegetable oil, 0.015% soda;

B, meal: meal is carried out to above-mentioned batch mixing with pulverizer, obtaining diameter is the meal of 2 ~ 15mm, and the ratio shared by the coarse fodder wherein between 2 ~ 12mm is no less than 80%;

C, dry sterilization: meal is carried out drying, makes moisture <7%, drying equipment is the ultraviolet sterilizing vibration drying tower of five layers, ground floor temperature 80 DEG C, the second layer 50 DEG C, third layer 20 DEG C ~ 30 DEG C, 4th layer of room temperature, layer 5 room temperature, then carry out ultraviolet disinfection;

D, fine grinding: the meal after sterilizing is placed on bar type vibratom and refines, obtain the fine grinding powder that 80 ~ 120 object finished product material content are no less than 90%;

E, screening: sieved by fine grinding powder with classifying screen, wherein 80 ~ 100 orders are one-level, and 100 ~ 120 orders are one-level, and 120 ~ 240 orders are one-level, divide grade packaged.

Embodiment 3

A, to select materials: be manufacture raw material with the lignocellulose of leaf wood, add 1.8% starch and 0.2% vegetable oil, 0.02% soda;

B, meal: meal is carried out to above-mentioned batch mixing with pulverizer, obtaining diameter is the meal of 2 ~ 15mm, and the ratio shared by the coarse fodder wherein between 2 ~ 12mm is no less than 80%;

C, dry sterilization: meal is carried out drying, makes moisture <7%, drying equipment is the ultraviolet sterilizing vibration drying tower of five layers, ground floor temperature 80 DEG C, the second layer 50 DEG C, third layer 20 DEG C ~ 30 DEG C, 4th layer of room temperature, layer 5 room temperature, then carry out ultraviolet disinfection;

D, fine grinding: the meal after sterilizing is placed on bar type vibratom and refines, obtain the fine grinding powder that 80 ~ 120 object finished product material content are no less than 90%;

E, screening: sieved by fine grinding powder with classifying screen, wherein 80 ~ 100 orders are one-level, and 100 ~ 120 orders are one-level, and 120 ~ 240 orders are one-level, divide grade packaged.

Embodiment 4

A, to select materials: be manufacture raw material with the lignocellulose of leaf wood, add 2.1% starch and 0.23% vegetable oil, 0.014% soda;

B, meal: meal is carried out to above-mentioned batch mixing with pulverizer, obtaining diameter is the meal of 2 ~ 15mm, and the ratio shared by the coarse fodder wherein between 2 ~ 12mm is no less than 80%;

C, dry sterilization: meal is carried out drying, makes moisture <7%, drying equipment is the ultraviolet sterilizing vibration drying tower of five layers, ground floor temperature 80 DEG C, the second layer 50 DEG C, third layer 20 DEG C ~ 30 DEG C, 4th layer of room temperature, layer 5 room temperature, then carry out ultraviolet disinfection;

D, fine grinding: the meal after sterilizing is placed on bar type vibratom and refines, obtain the fine grinding powder that 80 ~ 120 object finished product material content are no less than 90%;

E, screening: sieved by fine grinding powder with classifying screen, wherein 80 ~ 100 orders are one-level, and 100 ~ 120 orders are one-level, and 120 ~ 240 orders are one-level, divide grade packaged.

Embodiment 5

A, to select materials: be manufacture raw material with the lignocellulose of leaf wood, add 1.2% starch and 0.18% vegetable oil, 0.018% soda;

B, meal: meal is carried out to above-mentioned batch mixing with pulverizer, obtaining diameter is the meal of 2 ~ 15mm, and the ratio shared by the coarse fodder wherein between 2 ~ 12mm is no less than 80%;

C, dry sterilization: meal is carried out drying, makes moisture <7%, drying equipment is the ultraviolet sterilizing vibration drying tower of five layers, ground floor temperature 80 DEG C, the second layer 50 DEG C, third layer 20 DEG C ~ 30 DEG C, 4th layer of room temperature, layer 5 room temperature, then carry out ultraviolet disinfection;

D, fine grinding: the meal after sterilizing is placed on bar type vibratom and refines, obtain the fine grinding powder that 80 ~ 120 object finished product material content are no less than 90%;

E, screening: sieved by fine grinding powder with classifying screen, wherein 80 ~ 100 orders are one-level, and 100 ~ 120 orders are one-level, and 120 ~ 240 orders are one-level, divide grade packaged.

Above-described specific embodiment; object of the present invention, technical scheme and beneficial effect are further described; be understood that; the foregoing is only specific embodiments of the invention; be not limited to the present invention; within the spirit and principles in the present invention all, any amendment made, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.

Claims (1)

1. a cellulosic manufacture method, is characterized in that: step is as follows:

A, to select materials: be manufacture raw material with the lignocellulose of leaf wood, add 1.1 ~ 2.5% starch and 0.1 ~ 0.25% vegetable oil, 0.01 ~ 0.02% soda;

B, meal: meal is carried out to above-mentioned batch mixing with pulverizer, obtaining diameter is the meal of 2 ~ 15mm, and the ratio shared by the coarse fodder wherein between 2 ~ 12mm is no less than 80%;

C, dry sterilization: meal is carried out drying, makes moisture <7%, drying equipment is the ultraviolet sterilizing vibration drying tower of five layers, ground floor temperature 80 DEG C, the second layer 50 DEG C, third layer 20 DEG C ~ 30 DEG C, 4th layer of room temperature, layer 5 room temperature, then carry out ultraviolet disinfection;

D, fine grinding: the meal after sterilizing is placed on bar type vibratom and refines, obtain the fine grinding powder that 80 ~ 120 object finished product material content are no less than 90%;

E, screening: sieved by fine grinding powder with classifying screen, wherein 80 ~ 100 orders are one-level, and 100 ~ 120 orders are one-level, and 120 ~ 240 orders are one-level, divide grade packaged.