Intelligent zero discharge sewage treatment system
A sewage treatment system, zero-discharge technology, applied in water/sewage treatment, water/sewage multi-stage treatment, water/sludge/sewage treatment, etc. , to achieve the effect of saving water consumption, easy operation and high degree of automation
Active Publication Date: 2017-03-29
ANHUI HUANJIA TIANYI RENEWABLE RESOURCES
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Problems solved by technology
Alkaline water is often used for cleaning, but since the cleaned sewage contains alkaline substances, it will seriously pollute the environment, so it cannot be discharged directly
And because the water consumption of plastic granules is large when cleaning, if the sewage that has been cleaned once plastic granules is directly discharged, the water cost for cleaning will increase.
At present, the simplest sewage treatment method is to use natural sedimentation method, but the sludge settled at the bottom is easy to be pumped out due to serious backlog, which makes sludge treatment more difficult
Method used
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[0027] In order to make the technical means, creative features, goals and effects achieved by the present invention easy to understand, the present invention will be further elaborated below in conjunction with specific illustrations and examples.
[0028] Such as figure 1 , 2 As shown, an intelligent zero-discharge sewage treatment system consists of a sedimentation tank 1, a sludge conveying pipeline 2, a sludge conveying pump 3, a filter press 4, a clean water recovery pipeline 5, a sludge dilution water supply pipeline 6 and a clean water conveying pump 7 composition, the bottom of the settling tank is provided with a mud outlet 8 and a clean water inlet 9, the upper suspended plastic particles in the settling tank are removed through the filter screen 10, the lower sludge and the middle clean water are discharged into the sludge conveying pipeline through the mud outlet, and The sludge is transported into the filter press through the sludge pump. There is a clean water p...
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The invention discloses an intelligent zero discharge sewage treatment system and relates to the technical field of reclaimed plastic. The intelligent zero discharge sewage treatment system comprises a setting basin, a sludge delivery pipeline, a sludge delivery pump, a pressure filter, a clear water recycling pipeline, a sludge diluting water delivery pipeline and a clear water delivery pump. The intelligent zero discharge sewage treatment system is suitable for the treatment of sewage of reclaimed plastic particle cleaning, and operation is easy. The obtained clear water after separating suspending plastic particles and sludge is used for next group of particle cleaning, so that water consumption for cleaning plastic particles are saved, the situation that alkaline substances in the sewage is discharged directly, and the environment is polluted is avoided. In addition, by back washing of clear water and arranging agitating vanes, the sludge is diluted, and the situation that the sludge is difficult to pump out because of serious sedimentation is avoided.
Description
[0001] Technical field: [0002] The invention relates to the technical field of recycled plastic processing, in particular to an intelligent zero-discharge sewage treatment system. [0003] Background technique: [0004] Recycled plastic granules belong to the category of plastic granules. Recycled plastics are plastics produced by recycling used new materials or waste plastics through a screw machine, and then cut into granules by a pelletizer. particles. Since recycled materials contain dust, oil, etc., plastic particles need to be cleaned. Alkaline water is often used for cleaning, but the sewage after cleaning can not be discharged directly because it contains alkaline substances and seriously pollutes the environment. And because the water consumption is relatively large when cleaning plastic granules, if the sewage that has been cleaned once is directly discharged, the water cost for cleaning will be increased. At present, the simplest sewage treatment method is to us...
Claims
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IPC IPC(8): C02F9/04
CPCC02F1/001C02F1/288C02F1/5236C02F1/54C02F1/56C02F9/00
Inventor 杨传荣宋现涛姜永俊
Owner ANHUI HUANJIA TIANYI RENEWABLE RESOURCES