Sludge chemical chain gasification system based on steel slag oxygen carrier and process

A chemical chain and steel slag technology, applied in gasification process, sludge treatment, chemical instruments and methods, etc., can solve problems such as waste of resources, pollution of water resources, negative impact on the ecological environment, etc., to reduce pollutant emissions and achieve reduction Effects of capacity reduction and operating cost reduction

Pending Publication Date: 2019-10-18
HENAN UNIV OF URBAN CONSTR
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Problems solved by technology

A large amount of steel slag stacking not only occupies a large amount of farmland, but also affects air quality, pollutes water resources, and has a serious negative impact on the ecological environment
If these steel slags cannot be comprehensively utilized, it will i

Method used

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  • Sludge chemical chain gasification system based on steel slag oxygen carrier and process
  • Sludge chemical chain gasification system based on steel slag oxygen carrier and process
  • Sludge chemical chain gasification system based on steel slag oxygen carrier and process

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Embodiment Construction

[0023] The present invention will be further explained below in conjunction with the drawings:

[0024] Such as figure 1 Shown: The present invention is a sludge chemical chain gasification system based on steel slag oxygen carrier, including combustible gas collection device 1, filter device 2, main cyclone separator 3, mainstream bed 4, grinder 5, blower 6 , The secondary bed cyclone separator 7, the secondary fluidized bed 8 and the ash hopper 9. The steel slag inlet, the sludge inlet and the steam inlet of the main fluidized bed all enter through the blower, the steel slag inlet And the sludge inlet are both provided with a grinder, the upper outlet of the mainstream bed is connected with the inlet of the main cyclone, and the middle inlet of the main bed is separated from the auxiliary bed cyclone The outlet of the lower end of the main cyclone is connected to the inlet of the filter device, the outlet of the filter device is connected to the combustible gas collection devic...

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Abstract

The invention discloses a sludge chemical chain gasification system based on a steel slag oxygen carrier and a process. The system comprises a combustible gas collection device, a filtering device, amain cyclone separator, a main fluidized bed, a grinding machine, an air blower, a secondary bed cyclone separator, a secondary fluidized bed and an ash hopper. Compared with the prior art, the systemviews from practical problems that city sludge and steel slag of the steel industry are hard to treat at present, is based on the idea of "treating wastes with wastes", and develops a sludge chemicalchain gasification technique based on the a steel slag oxygen carrier, and through the research, volume reduction and amount reduction of sludge and steel slag are facilitated, meanwhile, heat valuesin the sludge can be recycled, and energy utilization of the sludge can be achieved. Compared with a conventional sludge treatment technique, the system is capable of remarkably lowering the operation cost, reducing pollutant emission in the production process, and has good social, economic and environment-friendly benefits.

Description

Technical field [0001] The invention relates to the technical field of environmental protection, in particular to a sludge chemical chain gasification system and process based on a steel slag oxygen carrier. Background technique [0002] Sludge is a viscous floc that settles in the process of sewage treatment, which contains a large amount of heavy metals, eggs, pathogens and organic pollutants, which is harmful to the environment. my country’s current sludge disposal methods are mainly landfills. However, with the continuous development of my country’s economy and the advancement of urbanization, the production of sludge is increasing day by day. The landfill disposal of sludge faces limited landfill space and landfills. Difficulty in land utilization and secondary pollution caused by leachate. Because the sludge contains a large amount of organic matter and combustible components, it has a high dry basis calorific value, and has the value of energy development and utilization. ...

Claims

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Application Information

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IPC IPC(8): C02F11/121B01D45/16C10J3/56C10J3/82
CPCB01D45/16C02F11/121C02F2303/10C10J3/56C10J3/82C10J2300/0946C10J2300/0976C10J2300/0983
Inventor 张志远张力琳张旭东饶培军朱焕光蒋建飞周恒涛胡明江周前
Owner HENAN UNIV OF URBAN CONSTR
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