Papermaking sewage recycling equipment and process thereof

Abstract

The invention discloses papermaking sewage recycling equipment and process. The equipment comprises a deposition barrel, a disinfection barrel and a purification barrel, first filter cloth is fixedlyconnected to the bottom of an inner cavity of the deposition barrel, a feeding pipe is arranged on one side of the top end of the deposition barrel in a penetrating mode, the bottom end of the feedingpipe penetrates through the bottom end of the first filter cloth, and a first liquid outlet pipe is arranged in the inner cavity of the deposition barrel; an inner cavity of a pipe cover is fixedly connected with second filter cloth, and a first water pump and a second water pump are electrically connected with an external power supply through external switches. According to the equipment, by arranging the deposition barrel, the disinfection barrel and the purification barrel, papermaking sewage can be subjected to deposition, disinfection and purification treatment, and in cooperation with the arrangement mode of the feeding pipe, the first liquid outlet pipe and the first filter cloth, suspended solids precipitated in the papermaking sewage precipitated in the deposition barrel can be isolated and separated from the first liquid outlet pipe; and thus not only is the papermaking sewage treatment and reutilization efficiency improved, but also the papermaking sewage purification effect is improved.

Description

technical field [0001] The invention relates to the field of sewage reuse, in particular to a papermaking sewage reuse equipment and a process thereof. Background technique [0002] Paper is a sheet-like fiber product used for writing, printing, painting or packaging. At present, papermaking is generally done by paper machine. Through continuous processing on the paper machine, the pulp suitable for paper quality is diluted with water to a certain concentration. The wire part of the machine is initially dehydrated to form a wet paper sheet, which is dehydrated by pressing and then dried into paper. [0003] After using the paper machine for papermaking operations, a large amount of papermaking wastewater will be generated. The direct discharge of these papermaking wastewater will cause pollution and damage to the local ecological environment. Therefore, in general paper mills, the wastewater generated by papermaking will be processed to meet the discharge standard Recycling...

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Problems solved by technology

[0003] After using the paper machine for papermaking operations, a large amount of papermaking wastewater will be generated. The direct discharge of these papermaking wastewater will cause pollution and damage to the local ecological environment. Therefore, in general paper mills, the wastewater generated by papermaking will be processed to meet the discharge standard Recycling, because the papermaking wastewater contains a large amount of suspended matter, the papermaking wastewater will be discharged to the sedimentation tank for precipitation in advance, so that the suspended matter in the papermaking wastewater can be precipitated, and now the precipitated suspended matter is in the As the papermaking sewage in the sedimentation tank is continuously pumped into the subsequent treatment equipment, part of the suspended solids will float up due to the pumping force of the water flow, and then enter into the subsequent treatment equipment with the water pipe, which will not only cause subsequent sewage treatment The effect of the equipment on sewage treatment also leads to the need for secondary treatment of suspended solids in sewage, which reduces the efficiency and quality of sewage treatment

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