A kind of deep sludge magnetization dehydration treatment method
A treatment method and sludge technology, applied in sludge treatment, water/sludge/sewage treatment, biological sludge treatment, etc., can solve the problems of sludge treatment and dehydration difficulties, achieve sludge dehydration and settlement performance improvement, Simple operation process and stable performance
Active Publication Date: 2017-10-10
GUANGDONG JINHAOXUAN ENVIRONMENT ENG EQUIP TECH CO LTD
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Problems solved by technology
[0005] The object of the present invention is to, in view of the above-mentioned deficiencies, provide a kind of deep sludge magnetization dehydration treatment method, utilize biomass to carry out conditioning, and adopt microwave-external magnetic field combined auxiliary dehydration mode, realize the deep dehydration of the sludge with high water content, The water content of the dehydrated sludge is only 10-50%, which solves the problems of existing sludge treatment and dehydration difficulties
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[0029] In order to make the purpose, technical solutions and advantages of the present invention more clear, the following will be described in detail in conjunction with the examples. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.
[0030] The deep sludge magnetization dehydration treatment method provided in this embodiment comprises the following steps:
[0031] S1: Sludge pretreatment: Mix sludge and biomass powder according to the set feeding ratio, and stir evenly to obtain biomass sludge, wherein the feeding ratio of sludge to biomass powder is 3-6:1 by mass , the biomass powder is one of straw powder, sawdust powder or dry leaf powder after coarse crushing and fine crushing, with a particle size of 100-500nm; the sludge is sludge from urban domestic sewage treatment plants or One of domestic sewage or industrial sewage, with a water content of more than 85%.
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Abstract
The present invention relates to the technical field of sludge treatment, and specifically discloses a deep sludge magnetization dehydration treatment method comprising mixing and even stirring of sludge and biomass powder and successive polarization treatment, first dehydration treatment, microwave-magnetic field combined treatment and secondary dehydration treatment of the sludge, wherein the microwave-magnetic field combined treatment comprises adding a flocculant and a magnetic seed into the sludge and destroying the sludge aggregation state by microwave radiation treatment and magnetic field effects produced by an external superconducting strong magnet, and the dehydration performance can be significantly improved. The deep sludge magnetization dehydration treatment method is easy to operate and reasonable in processes, and can achieve deep sludge deep sludge, and the moisture content of the dehydrated sludge is 10-50%.
Description
technical field [0001] The invention relates to the technical field of sludge treatment, in particular to a deep sludge magnetization dehydration treatment method. Background technique [0002] Traditional sludge treatment and disposal methods mainly include agricultural composting, landfill, and incineration. These three types of sludge treatment and disposal methods have their own defects. For example, the remaining sludge contains harmful substances such as heavy metals. Farmland may affect people's health due to the accumulation of harmful substances. Therefore, European and American countries have set strict standards for sludge farming. Because the sludge is still bulky even after being concentrated and dehydrated, if it is disposed of in a landfill, it will take up a lot of land and cost a lot of transportation costs, and the environment around the landfill will also deteriorate. In many countries and regions, people firmly oppose it. New landfill. Incineration was...
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IPC IPC(8): C02F11/12C02F11/02
CPCC02F11/02C02F11/12C02F2201/483Y02W10/20
Inventor 秦颢宋明轩
Owner GUANGDONG JINHAOXUAN ENVIRONMENT ENG EQUIP TECH CO LTD