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Method for making cassava root pulp-paper machine

Release Time:2020-12-23 13:54Author:sd888Source:未知

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Method for making cassava root pulp
Method-for-making-cassava-root-pulp
The present invention relates to a method for manufacturing paper pulp, in particular to a method for manufacturing paper pulp by adding cassava root pulp with low cost and good pulp quality.
Recording technology
The raw material used in the traditional pulp manufacturing industry is shredded paper. Follow the steps below to make
Make
1. In the HD (hydra pulper) step, raw materials are mixed with water, where the raw materials are shredded paper, and the concentration and specific gravity are maintained at about 4-10%, and then go to the next step;
2. The DS (drum sorter) step separates impurities, such as plastic, rope, stone, iron, etc. to separate out the pulp, and then enter the next step;
3. The HC (high consistency cleaner) separation step separates impurities that are larger than pulp, such as sand, stone and others, and separates them with a concentration of 4-10% and then enters the next step;
4. The FS (fiber sorter) step separates impurities such as plastic from the pulp and enters the next step
Sudden
5. The FF (fiber fretter) step separates the pulp, distinguishes long fiber pulp and short fiber pulp, and then separates the separated long and short fiber pulp into the next step;
After that, the long and short fiber paddles will separate and enter their respective steps
6. In the LC (low consistency cleaner) step, the pulp with a specific gravity of less than 1% is used to separate the substances with a specific gravity greater than that of the pulp, and proceed to the next step;
7. In the LLC (light weight low consistency cleaner) step, the pulp with a specific gravity of less than 1% concentration is used to separate the substances with a specific gravity less than the pulp;
The short fiber pulp separated by LLC method enters the following steps
a. The FC (fine screen) step filters the substances mixed in the pulp, and then enters the next step;
b. The DW (dewatering (thickener)) step separates the moisture in the pulp and keeps it at a concentration of about 30%, and then enters the next step;
c. In the RF (refine) step, the pulp is carefully rolled to make it the same or similar in size. In addition, the long fiber pulp separated by LLC method enters the following steps
a. The FS step separates impurities such as plastic from the pulp, and enters the next step;
b. In the DW step, the water in the pulp is separated to keep the concentration at about 30% and then enter the next step;
c. DISP (dispersion) step, the pulp is rough-rolled at a temperature of 70-95 degrees Celsius, so that the fine substances that cannot be filtered, such as grease, are evenly distributed in the pulp, and then enter the next step;
d. In the RF (refme) step, the pulp is carefully rolled to make it the same or similar in size. The above steps are based on shredded paper as raw materials, which are more expensive and time-consuming to collect.
Possibly change to cheaper and easier to find raw materials.

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