One-stop pulper

A pulper, stand-type technology, applied in mixers, mixer accessories, mixers with rotating containers, etc., can solve the problems of low pulping work efficiency and low pulp yield, and achieve high work efficiency and pulp. The effect of high material yield, reduction of reaction energy consumption and production cost

Active Publication Date: 2021-08-03
黑龙江如柏科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The traditional papermaking process is to process the papermaking raw materials through pulping, modulation, papermaking, processing and other main processing steps. Among them, pulping is the first step and the most critical step in papermaking. The pulping process is to remove the pulping raw materials. The process of lignin; the removal process is mainly divided into chemical pulping method, mechanical pulping method and semi-chemical pulping method. Chemical pulping method is the most widely used production method. The tablet is continuously cooked in the device, so that the lignin in the pulping raw material reacts with chemical reagents at high temperature to produce water-soluble matter, which is separated from the fiber to form a slurry; although chemical pulping retains the natural length of the fiber, most of it is removed. lignin, but the pulping efficiency is low and the pulp yield is low

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0032] Such as figure 1 The one-stop horizontal pulping machine shown includes a body, a flap 1, a feed port 2, a discharge port 3 and a motor 4; the body is composed of an inner casing 5 and an outer casing 6; the flap 1 is arranged on On the inner wall of the inner casing 5, the turning plate 1 is set at an angle so that it tends to the conveying direction of the material in the inner casing 5; the motor 4 is arranged at the end of the body, and is used to drive the inner casing to rotate along the horizontal central axis; The material inlet 3 is arranged at one end of the machine body, the material outlet 2 is arranged at the other end of the machine body, and the material inlet 2 and the material outlet 3 communicate with the inner casing 5 .

[0033] The flaps 1 are evenly arranged on the inner wall of the inner casing 5 by welding, and the distribution density of the flaps 1 on the inner wall of the inner casing 5 is 10 pieces / m 2 , the distance between every two flaps ...

Embodiment 2

[0040] The use method of the one-stop pulping machine includes the following steps: select dry straw, remove impurities and dust, and crush 2.5t of straw with a length of 2-5 cm and 3.2t of chemical agents (chemical agents include 2.9t of clear water, 0.2 t of sodium hydroxide t and hydrogen peroxide (0.1t) are continuously fed into the pulper in Example 1 simultaneously, and the feeding time is 130 minutes (feed rate is 2627kg / h), mixed and rotated in the pulper, reacted into slurry, and obtained The pulp is continuously discharged from the pulper.

[0041] The screw rod is used to feed the material, and the chemical agent is sprayed on the rice straw before the straw enters the entrance of the pulper.

[0042] The speed at which the inner housing rotates is 100 revolutions per minute. The rotation speed should not be too fast, otherwise it will not be conducive to fully reacting into slurry. Rice straw and chemicals enter the pulping machine, using the contact reaction of ...

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Abstract

The invention discloses a one-stop horizontal pulping machine. The pulping machine includes a machine body, a flap, a feed port, a discharge port and a motor; the body includes an inner shell and an outer shell; The direction of transmission in the inner casing; the motor is set at the end of the body to drive the inner casing to rotate along the horizontal central axis; the feeding port is set at one end of the body, the discharge port is set at the other end of the The feed port and the discharge port communicate with the inner casing. In the one-stop pulping machine provided by the present invention, the softening and pulping processes can be completed in one stop in the same equipment, and can realize continuous operation and production of continuous feeding and continuous discharging instead of single-pot type intermittent production.

Description

technical field [0001] The invention belongs to the technical field of papermaking, and in particular relates to a one-stop pulping machine. Background technique [0002] Paper is an important item closely related to human life. It has developed into a raw material for packaging, printing, cigarettes, stationery, machinery, building materials, military industry and other industries. The paper industry has a wide range of applications in all walks of life. The development of the paper industry directly It reflects the level of a country's national economy and civilization construction. my country is a big country for papermaking and papermaking, and papermaking has become an important basic industry that drives the development of the national economy. [0003] As we all know, the preparation of paper needs to consume a large amount of pulping raw materials, and China is a country with few forests and many fields, with a forest coverage rate of only 16.35%. Not only that, our...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): D21B1/34B01F3/12B01F9/06B01F15/00B01F29/63
CPCD21B1/345B01F23/53B01F29/63B01F35/53B01F35/43B01F2101/47
Inventor 钱柏安王福涛钱文波
Owner 黑龙江如柏科技有限公司
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