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Indirect thermal desorption and drip washing technology coupling device

A thermal desorption and leaching technology, which is applied in the field of devices coupled with indirect thermal desorption and leaching technology, can solve the problems of low pollutant removal rate, complex structure, serious secondary pollution, etc., so as to avoid secondary pollution. Effect

Inactive Publication Date: 2018-05-29
JIANGSU GAIYA ENVIRONMENTAL SCI & TECH CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, the pollutant removal rate of the existing soil treatment equipment is not high, the structure is more complicated, and the secondary pollution is more serious

Method used

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  • Indirect thermal desorption and drip washing technology coupling device

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Embodiment Construction

[0017] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.

[0018] Such as figure 1 A device coupled with indirect thermal desorption and rinsing technology is shown, including a drum body and a pollutant treatment device. A rinsing drum 4 and a thermal desorption drum 5 are arranged at intervals inside the drum body. An insulation layer 2 is provided; a thermal air flow layer 3 is provided between the thermal desorption drum 5 and the rinsing drum 4 and at the lower part of the thermal desorption drum 5, which is used for thermal desorption treatment of organic-contaminated soil inside the thermal desorption drum 5; The washing drum 4 is arranged on the upper part of the thermal desorption drum 5, and is used for rinsing and indirect thermal desorption to treat heavy metal and organic-contaminated soil; the tails of the washing drum 4 and the thermal desorption drum 5 are connected to a pollutant treat...

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Abstract

The invention discloses an indirect thermal desorption and drip washing technology coupling device. The indirect thermal desorption and drip washing technology coupling device comprises a roller bodyand a pollutant treatment device; a drip washing roller and a thermal desorption roller are arranged in the roller body in a spaced manner, a heat preservation layer is arranged outside the roller body, hot airflow layers are arranged between the thermal desorption roller and the drip washing roller and on the lower portion of the thermal desorption roller, and are used for thermal desorption treatment of soil polluted by organic matter in the thermal desorption roller, the drip washing roller is arranged on the upper portion of the thermal desorption roller and is used for drip washing treatment and indirect thermal desorption treatment of the soil polluted by heavy metal and organic matter. The tails of the drip washing roller and the thermal desorption roller are connected with a pollutant treatment device and are used for drip washing and thermal desorption of pollutants. The indirect thermal desorption and drip washing technology coupling device is simple in structure, efficient and suitable for heavy metal and organic matter composite pollution soil.

Description

technical field [0001] The invention relates to the field of soil ectopic remediation technology, in particular to a device coupled with indirect thermal desorption and leaching technology, which is suitable for soil compounded by heavy metals and organic matter. Background technique [0002] Soil not only provides mechanical support for the growth of plants, but also provides the necessary water, fertilizer, gas, heat and other fertility elements for the growth and development of plants. Due to the rapid population growth, the continuous acceleration of the industrialization process, the continuous stacking and dumping of solid waste on the soil surface, the application of chemical fertilizers and pesticides, the continuous infiltration of harmful wastewater into the soil, the harmful gases and dust in the atmosphere are also constantly falling into the soil with rain, etc. cause of soil pollution. [0003] The control of soil pollution can be achieved by reducing the use ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B09C1/06B09C1/02
CPCB09C1/06B09C1/02
Inventor 程功弼刘庆珊徐金旺陈骉
Owner JIANGSU GAIYA ENVIRONMENTAL SCI & TECH CO LTD
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