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A sludge drying system

A technology of sludge drying and sludge, which is applied in the direction of sludge treatment, sludge treatment, biological sludge treatment, etc., can solve the problems of thermal efficiency decline, hidden dangers of environmental protection emissions, and the need to discharge carrier gas, so as to achieve convenient lifting and reduce Heat energy waste, the effect of improving the cleanliness of exhaust gas

Active Publication Date: 2021-07-20
江苏山丰生态环境科技有限公司
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Problems solved by technology

[0003] Existing disc dryers usually use air as the carrier gas to carry the moisture vaporized in the sludge drying out of the dryer, and discharge it after treatment. Although the process itself is very environmentally friendly, it also has the following disadvantages: 1 1. The carrier gas needs to be discharged, and there are still hidden dangers of environmental protection emissions; 2. A large amount of carrier gas takes away part of the heat, resulting in energy loss and a decrease in thermal efficiency

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  • A sludge drying system
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Embodiment Construction

[0041] The present invention will be described in further detail below in conjunction with the accompanying drawings.

[0042] Wherein the same components are denoted by the same reference numerals. It should be noted that the words "front", "rear", "left", "right", "upper" and "lower" used in the following description refer to the directions in the drawings, and the words "bottom" and "top "Face", "inner" and "outer" refer to directions toward or away from, respectively, the geometric center of a particular component.

[0043]A sludge drying system, such as figure 1 As shown, it includes sludge blending tank 1, anaerobic digester 2, and sludge storage bin 3, disc dryer 4, dust removal device 5, waste heat recovery device 6, condenser 7, deodorization device 8.

[0044] Such as figure 1 As shown, the top of the disc dryer 4 is provided with a sludge inlet 41 and an exhaust gas discharge port 42, the end of the bottom wall away from the sludge inlet 41 is provided with a dr...

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Abstract

The invention discloses a sludge drying system, which belongs to the field of sludge treatment technology and aims to provide an energy-saving and environment-friendly sludge drying system. And the sludge storage bin, disc dryer, dust removal device, waste heat recovery device, condenser, and deodorization device connected in sequence. The invention is suitable for drying treatment of municipal sludge used for making bricks.

Description

technical field [0001] The invention relates to a sludge treatment process, in particular to a sludge drying system. Background technique [0002] With the development of society and economy, sewage treatment plants of cities and industrial enterprises produce a large amount of high-water sludge, which contains a large amount of organic matter, heavy metals and germs, etc., which must be treated otherwise it will cause serious pollution to the environment. After the sludge is concentrated and dehydrated by centrifugation, its water content is usually still around 80%. Sludge can only be incinerated or used as a resource after deep dehydration and drying treatment. If sludge is used to make bricks, thermal drying is generally used at present. The steam disc dryer is a new type of drying equipment. The drying of the material in the equipment is indirectly heated by heat conduction through the steam heat source in the disc and the wall jacket to remove the moisture in the slud...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C02F11/04C02F11/13C02F11/127B01D53/84B01D46/12B01D46/00
CPCC02F11/04C02F11/127C02F11/18Y02E50/30Y02W10/20Y02A50/20
Inventor 黄鹤潘浩陈思良
Owner 江苏山丰生态环境科技有限公司
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