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Harmless drying device and method for sulfur-containing sludge

A drying device and drying method technology, applied in chemical instruments and methods, separation methods, dehydration/drying/concentrated sludge treatment, etc., to achieve the effects of high treatment efficiency, improved treatment efficiency, and safe operation process

Pending Publication Date: 2019-03-05
CHINA PETROLEUM & CHEM CORP +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0006] The purpose of the present invention is to provide a harmless drying device for sulfur-containing sludge, thereby solving the problem of harmless drying of sulfur-containing sludge

Method used

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  • Harmless drying device and method for sulfur-containing sludge
  • Harmless drying device and method for sulfur-containing sludge
  • Harmless drying device and method for sulfur-containing sludge

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Embodiment Construction

[0026] Embodiments of the present invention will be further described below in conjunction with the accompanying drawings.

[0027] The embodiment of the harmless drying device for sulfur-containing sludge of the present invention, the schematic diagram of the structure is as follows figure 1 As shown, it includes a sequentially connected sulfur-containing sludge heating device 1, a condensation device 2, and a condensed gas treatment device 3. The sulfur-containing sludge heating device 1 includes a heating tank 101 and a nitrogen tank 105, and a sludge bucket is arranged in the heating tank 101. 102, the heating tank 101 includes a tank body and a cover plate that are tightly fitted, and a partition is provided in the tank body, and the partition board separates the tank inner cavity into a heating chamber 103 located at the lower part and a sludge bucket accommodating chamber located at the upper part. There is a gap between the mud bucket and the tank body, and the gap for...

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Abstract

The invention relates to a harmless drying device and method for sulfur-containing sludge. The drying device includes a sulfur-containing sludge heating device, a condensation device for condensing gas generated by heating the sulfur-containing sludge and a condensation gas treatment device which are connected to each other in order. The harmless drying device for the sulfur-containing sludge performs gas-liquid separation on the gas generated by the heating device through the condensation device to effectively removes water vapor and part of sulfur-containing gas in drying gas and improve treatment efficiency of a subsequent condensation gas desulfurization process. The condensation gas is high in sulfur-containing substances concentration, and can easily reach the discharge standard after simple desulfurization treatment.

Description

technical field [0001] The invention belongs to the field of sludge treatment, and in particular relates to a harmless drying device and method for sulfur-containing sludge. Background technique [0002] Sludge is the waste produced in the process of wastewater treatment. It contains a large amount of bacteria, chemical residues and water. During the storage process, sludge will produce corruption, form stench, and pollute the environment. The sulfur-containing sludge produced during the treatment of sulfur-containing gas field water also contains a large amount of impurities such as elemental sulfur and sulfuric acid polymers, which is difficult and dangerous to treat. [0003] At present, the treatment of sulfur-containing sludge is mainly to press the sludge into a mud cake through a filter press, and then transfer it for treatment. Because the mud cake has a high moisture content and contains corrosion inhibitors, retarders, coagulants, elemental sulfur, etc. Toxic and ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F11/13B01D53/78B01D53/48
CPCB01D53/002B01D53/48B01D53/78C02F11/12
Inventor 张分电王红宾吴明畏李代柏吴红旗冯逍张功臣张广晶王贵波
Owner CHINA PETROLEUM & CHEM CORP
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