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Sludge moisture content control device and moisture content adjustment method

A control device and technology of moisture content, applied in water treatment parameter control, water/sludge/sewage treatment, chemical instruments and methods, etc. The size of the dryer is not controlled, so as to achieve the effect of high industrial use value, good drying effect and good effect.

Pending Publication Date: 2019-03-19
GUANGDONG SHENLING ENVIRONMENT SYST CO LTD
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  • Summary
  • Abstract
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  • Claims
  • Application Information

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Problems solved by technology

[0004] Existing sludge dryers only simply dry the sludge. There is no certain detection of the drying effect, no control over the moisture content, and the moisture content of the final dried sludge is also unstable. , which is not conducive to the realization of later reuse; in addition, since the dried sludge is generally heated by high temperature to remove water, the waste heat carried by the dried sludge has not been utilized, wasting energy

Method used

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  • Sludge moisture content control device and moisture content adjustment method

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Embodiment 1

[0033] Such as figure 1 As shown, this embodiment provides a sludge moisture content control device, including a drying device 10 that heats and removes water from the sludge, and is characterized in that it also includes a detection device 20 that performs online detection of the sludge moisture content. One side of the drying device 10 is provided with a high temperature dry air inlet 14 and a low temperature non-drying air outlet 12, and the other side is provided with a low temperature non-drying sludge inlet 11, a high temperature dry sludge outlet 13 and a sludge recovery inlet, so that the sludge The flow direction in the drying device 10 is opposite to that of air; the detection device 20 is arranged in the direction of the high-temperature dried sludge outlet 13 of the drying device 10, and the detection device 20 includes a detection inlet 22 communicating with the high-temperature dried sludge outlet 13 and qualified The sludge outlet 23 and the unqualified sludge ou...

Embodiment 2

[0047] A sludge moisture content control device includes a drying device 10 for heating and removing water from the sludge. It is characterized in that it also includes a detection device 20 for online detection of the sludge moisture content. One side of the drying device 10 is provided There are a high temperature dry air inlet 14 and a low temperature non-dried air outlet 12, and the other side is provided with a low temperature non-dried sludge inlet 11, a high temperature dry sludge outlet 13 and a sludge recovery inlet, so that the flow direction of the sludge in the drying device 10 is The air is opposite; the detection device 20 is arranged in the direction of the high-temperature dried sludge outlet 13 of the drying device 10, and the detection device 20 includes a detection inlet 22 communicating with the high-temperature dried sludge outlet 13, a qualified sludge outlet 23, and unqualified sludge Sludge outlet 24. The unqualified sludge outlet 24 is in communication w...

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Abstract

The invention discloses a sludge moisture content control device. The sludge moisture content control device comprises a drying device for heating and dehydrating sludge and further comprises a detection device which is arranged behind the drying device and is used for carrying out online detection on the sludge moisture content; a high-temperature dry air inlet and a low-temperature non-dry air outlet are arranged at one side of the drying device, and a low-temperature non-dry sludge inlet, a high-temperature dry sludge outlet and a sludge recycling inlet are arranged at the other side of thedrying device; the detection device comprises a detection inlet, a qualified sludge outlet and an unqualified sludge outlet, which are communicated with the high-temperature dry sludge outlet; and the unqualified sludge outlet is communicated with the sludge recycling inlet of the drying device. Compared with the prior art, the sludge moisture content control device provided by the invention hasthe advantages of optimal heating and drying effect, high efficiency, stable moisture content of the treated sludge, great single-time treatment amount of the sludge, energy source saving, economic efficiency and environment protection.

Description

Technical field [0001] The invention relates to the technical field of sludge drying devices, in particular to a sludge moisture content control device and a moisture content adjustment method. Background technique [0002] Sludge is a solid precipitation material produced by water and sewage treatment processes. Its main characteristics are: high water content (can be as high as 99% or more), high organic content, easy to rot and smell, and the particles are finer, the specific gravity is small, and it is in a colloidal liquid state. The main sources of sludge are: domestic sewage sludge, industrial wastewater sludge and water supply sludge. The disposal and treatment of all kinds of sludge has become a chronic disease hindering urban development and urban sanitation. [0003] With the strengthening of national energy conservation and emission reduction efforts, the improvement of national awareness of environmental protection, and the increasing production of urban sludge, the ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F11/13
CPCC02F11/12C02F2303/10C02F2209/003
Inventor 张晓艳梁洁平陈华黄浩亮
Owner GUANGDONG SHENLING ENVIRONMENT SYST CO LTD
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