Pulp production equipment and production process

Abstract

The invention relates to paper pulp production equipment and process. The paper pulp production equipment is characterized by sequentially comprising shredded paper high-concentration pulping equipment and paper pulp dreg removing equipment, wherein the paper pulp dreg removing equipment comprises a pressure pump for cleaning paper pulp tailings, paper pulp low-frequency vibrating and screening equipment and a low-concentration dreg removing device array; the pressure pump is provided with a good pulp outlet pipe and is communicated with a paper pulp storage tank of the paper pulp low-frequency vibrating and screening equipment; and the paper pulp low-frequency vibrating and screening equipment is provided with a material storage tank and is communicated with a pulp feeding groove pipe of the low-concentration dreg removing device array. The paper pulp production equipment is simple in structure and reasonable in design, and the efficiency of shredding paper and pulping is easily improved.

Description

[0001] Technical field: [0002] The invention relates to pulp production equipment and a production process. [0003] Background technique: [0004] As the paper industry pays more and more attention to environmental protection, the processing equipment for paper pulp tailings has also become an important equipment in the papermaking process. Pressure pumps, pulp low-frequency vibrating screen equipment and low-concentration slag removal equipment are commonly used equipment in the tailings treatment process. , but because the impurities in pulp tailings are much larger than normal pulp raw materials, it is necessary to optimize the treatment equipment to treat the tailings well. In addition, at present, different waste papers need to be sorted after recycling for subsequent shredding and pulping. This method greatly increases the process and reduces the efficiency. [0005] In the treatment process of pulp tailings, the pressure pump is an important screening device, which i...

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Problems solved by technology

In addition, at present, different waste papers need to be sorted after recycling for subsequent shredding and pulping. This method greatly increases the process and reduces the efficiency.

[0005] In the treatment process of pulp tailings, the pressure pump is an important screening device, which is often used in the first step of tailings treatment, but because there are many impurities in the tailings, it is easy to block the pressure pump in the screening process. The impurity trap will cause abnormal pressure in the pressure pump. If the abnormal pressure cannot be detected in time, it will cause safety hazards. If a pressure measuring device is installed inside the pressure pump, the pressure cannot be guaranteed due to the complicated working conditions inside the pressure pump. The measurement is accurate, therefore, how to discover and deal with the abnormal pressure conditions in the pulp pressure pump in time is a research direction

[0006] Low-concentration slag removal equipment is a common equipment in the paper industry. It works based on the principle of vortex centrifugation. It is usually used to generate high-quality pulp, and can also be used for the purification of the final product in the tailings treatment process. The stability of the flow rate is very high. If the pulp feed pressure or feed flow fluctuates during use, it will affect the normal operation of the slag removal equipment, or even blockage. In order to improve the slag removal efficiency, multiple low Concentrated slag removal equipment processes pulp, how to ensure the balance of slurry feed pressure and feed flow among multiple low-concentration slag removal equipment is a research direction

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