Biomass modification system for sludge dewatering and working method thereof

A sludge dehydration and working method technology, applied in the direction of dehydration/drying/concentrated sludge treatment, grain treatment, etc., can solve the problems of lack of reasonable and effective utilization methods, complicated process, difficult to degrade, etc., and achieve reasonable and effective utilization methods, Solve environmental pollution and improve dehydration performance

Pending Publication Date: 2019-10-18
HENAN INST OF ENG
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  • Abstract
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  • Claims
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Problems solved by technology

However, the traditional electro-osmosis technology also has shortcomings that limit its application. For example, when only electro-osmosis technology is used for dehydration, it is easy to cause anode drying, the sludge dehydration efficiency decreases, and the moisture content of the mud cake after dehydration still cannot meet the requirements; It is usually necessary to add sludge dewatering agents. At present, the most commonly used sludge dewatering agent is cationic polyacrylamide (CPAM). It is obvious that it is difficult to degrade under natural conditions, causing secondary pollution to the environment, and a large amount of organic

Method used

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  • Biomass modification system for sludge dewatering and working method thereof
  • Biomass modification system for sludge dewatering and working method thereof
  • Biomass modification system for sludge dewatering and working method thereof

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Embodiment Construction

[0029] Embodiments of the present invention will be further described below in conjunction with the accompanying drawings.

[0030] Such as Figure 1-Figure 6 As shown, the biomass modification system for sludge dewatering includes a frame 1, and the frame 1 is sequentially provided with a crushing mechanism, a screening mechanism and a modification mechanism from top to bottom, and a machine located below the modification mechanism is arranged. The mixing mechanism on one side of frame 1; the bottom outlet of the crushing mechanism is connected to the top inlet of the screening mechanism, and the coarse material outlet at the bottom of the screening mechanism is connected to the feeding inlet on the top of the modification mechanism. The fine material discharge port on the side of the mechanism is connected to the collection bin 12, and the discharge port at the bottom of the modification mechanism is connected to the feed port at the top of the mixing mechanism.

[0031] Th...

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Abstract

The invention relates to a biomass modification system for sludge dewatering. The system includes a rack, the rack is equipped with a crushing mechanism, a sieving mechanism and a modification mechanism from top to bottom in order, and a blending mechanism located on one side of the rack is disposed below the modification mechanism. A bottom discharge port of the crushing mechanism is connected toa top feed inlet of the sieving mechanism, a coarse material discharge port at the bottom of the sieving mechanism is connected to a top feed inlet of the modification mechanism, a lateral fine material discharge port of the sieving mechanism is connected to a collection bin, and a bottom discharge port of the modification mechanism is connected to a top feed inlet of the blending mechanism. Thesystem and method provided by the invention can achieve uniform mixing of modified biomass and sludge, can reduce the sludge treatment cost, the process is simple, can improve the sludge dewatering performance and the calorific value of the sludge cake, and can reasonably and effectively utilize biomass resources.

Description

technical field [0001] The invention relates to the technical field of sludge treatment, in particular to a biomass modification system for sludge dewatering and a working method thereof. Background technique [0002] At present, the treatment method often used in sewage treatment plants is to use plate and frame filter press, centrifugal dehydrator or belt filter press to carry out shallow treatment of sludge by physical methods such as extrusion or centrifugation. The sludge treated by the above process Basically unable to meet my country's increasingly stringent sludge treatment and disposal standards. [0003] As an efficient sludge dewatering technology, electroosmosis technology has been applied to sludge dewatering treatment in a small range. However, the traditional electro-osmosis technology also has shortcomings that limit its application. For example, when only electro-osmosis technology is used for dehydration, it is easy to cause anode drying, the sludge dehydra...

Claims

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Application Information

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IPC IPC(8): C02F11/15B02C18/14B02C23/14B02C23/12
CPCB02C18/14B02C23/12B02C23/14C02F11/15
Inventor 李亚林刘蕾陈高昂张赛超李坤鹏方珑宇王尊严
Owner HENAN INST OF ENG
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