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A sludge anti-adhesion high-efficiency energy-saving drying device and method

A high-efficiency energy-saving, drying device technology, applied in the direction of dehydration/drying/concentrated sludge treatment, etc., can solve the problems of slow drying rate, difficult tail gas treatment, high energy consumption of sludge, etc., achieve low mechanical energy consumption, save energy, and simplify sealing structure effect

Active Publication Date: 2020-01-14
NANCHANG HANGKONG UNIVERSITY
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  • Claims
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Problems solved by technology

[0015] The purpose of the present invention is to provide a sludge anti-adhesion, high-efficiency and energy-saving drying device and method to solve the problems of high energy consumption, slow drying rate and difficult tail gas treatment in the sludge drying process in the prior art

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  • A sludge anti-adhesion high-efficiency energy-saving drying device and method
  • A sludge anti-adhesion high-efficiency energy-saving drying device and method
  • A sludge anti-adhesion high-efficiency energy-saving drying device and method

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Embodiment Construction

[0041] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0042] The purpose of the present invention is to provide an anti-adhesion, high-efficiency and energy-saving drying device and method for sludge, so as to solve the problems of high energy consumption, slow drying rate and difficult tail gas treatment in the sludge drying process in the prior art.

[0043] In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention will be further described in...

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Abstract

The invention discloses an anti-adhesion, high-efficiency and energy-saving drying device and method for sludge, which adopts indirect and rapid heating of steam, and the moisture in the vertical columnar sludge evaporates and shrinks toward the center when it is heated, and automatically falls off when it leaves the heating surface. Dry and non-stick wall effect; superheated steam is used as the drying medium, and steam recompression technology is used to recover the latent heat and sensible heat of the secondary steam generated during the drying process, so as to achieve the purpose of energy saving.

Description

technical field [0001] The invention relates to the technical field of sludge anti-adhesion, in particular to a high-efficiency and energy-saving drying device and method for sludge anti-adhesion. Background technique [0002] Sludge drying is the most effective way to achieve sludge volume reduction and treatment, but the sludge drying process is often accompanied by problems such as high drying energy consumption, slow drying rate, and difficult tail gas treatment. At the same time, sludge is a high-moisture, high-viscosity material. During the drying process, as the moisture content decreases, the sludge will appear in a viscous stage, and the drying process will easily form sticky walls and agglomerates. "Phenomenon. The occurrence of wall sticking and agglomeration in the drying process will reduce the efficiency of heat and mass transfer, hinder the evaporation of water, cause energy waste, and may cause equipment jams to prevent normal operation. [0003] Sludge dry...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C02F11/13
CPCC02F11/12
Inventor 张绪坤杨祝安吴肖望曾恩彭福明何志远
Owner NANCHANG HANGKONG UNIVERSITY
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