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Dewatering and drying tank for sludge

A technology for drying tanks and tanks, which is applied in water/sludge/sewage treatment, sludge treatment, biological sludge treatment, etc. It can solve the problems of low dehydration efficiency, low sewage dehydration rate, and difficult disposal and utilization of filter residues, etc., to achieve The effect of strong practicability and simple structure

Active Publication Date: 2016-03-02
NANAN XIANCHUANG ENVIRONMENTAL PROTECTION TECH SERVICE CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The invention provides a sludge dehydration and drying tank, the main purpose of which is to overcome the defects of low sewage dehydration rate, low dehydration efficiency and difficult treatment and utilization of filter residues existing in existing sludge treatment equipment

Method used

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  • Dewatering and drying tank for sludge
  • Dewatering and drying tank for sludge

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Embodiment Construction

[0018] Specific embodiments of the present invention will be described below with reference to the accompanying drawings.

[0019] refer to figure 1 and figure 2 . A sludge treatment device comprises a sludge heavy metal biochemical treatment tank 1 , a sludge dehydration conditioning tank 2 and a sludge dehydration drying tank 3 into which sludge 9 is sequentially fed.

[0020] refer to figure 1 and figure 2 . The sludge heavy metal biochemical treatment tank 1 includes a first tank body 10, a first drainage cover 11 arranged inside the first tank body 10, and a blower mechanism 4, and the first tank body 10 is provided with a A first feeding port 101 for putting in sludge raw materials containing heavy metals, a first feeding port 102 for putting in a nutrient solution containing thiobacterium oxidans, and a first vent 103 communicated with the blower mechanism 4, so The first vent 103 is located at the bottom of the first tank body 10, and the first drainage cover 1...

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Abstract

A dewatering and drying tank for sludge comprises an upper tank body, a lower tank body and a vacuum tank body. The upper tank body is connected with a pressurizing device communicated with an inner cavity of the upper tank body, a filtering layer for separating water and residues of a sludge solution is arranged in the lower tank body, and a microwave heating device is further arranged at the position, above the filtering layer, of the lower tank body. According to the dewatering and drying tank, the microwave heating device is arranged in the lower tank body and can release microwaves, so that water molecules in the sludge interact with the microwaves to be heated, water contained in the sludge can be dispersed and volatilized, and the aim of drying the sludge is achieved.

Description

technical field [0001] The invention relates to a sludge dehydration tank, in particular to a sludge dehydration and drying tank body. Background technique [0002] In recent years, with the rapid growth of my country's sewage treatment capacity and treatment rate, a large amount of excess sludge has been produced. At present, only a small part of the sludge from urban sewage treatment plants in the country is used for sanitary landfill, land utilization, incineration and building material utilization, etc., and most of them have not undergone standardized treatment and disposal. [0003] In the process of sewage treatment, some sewage contains a large number of larger particles and suspended solids that are difficult to settle, and some particles and suspended solids are difficult to biochemically degrade. At this time, the sewage is usually dehydrated. After dehydration, the formation The filter residue can be recycled as filler. [0004] For example, in the authorized a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F11/02C02F11/12C02F11/14
CPCC02F11/02C02F11/12C02F11/121C02F11/14
Inventor 潘国良潘捌贡
Owner NANAN XIANCHUANG ENVIRONMENTAL PROTECTION TECH SERVICE CO LTD