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An energy-saving thermal desorption remediation system for organic polluted soil

An organic pollution and treatment system technology, applied in the field of soil remediation, can solve the problems of activated carbon regeneration and high operating costs, and achieve the effects of increasing the treatment capacity, improving the discharge quality, and prolonging the residence time

Active Publication Date: 2015-12-02
ZHONGKE DINGSHI ENVIRONMENTAL ENG CO LTD
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Problems solved by technology

However, for most users, due to the lack of special equipment, activated carbon regeneration cannot be performed, and the operating cost is relatively high.

Method used

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  • An energy-saving thermal desorption remediation system for organic polluted soil
  • An energy-saving thermal desorption remediation system for organic polluted soil

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Embodiment Construction

[0027] The above and other technical features and advantages of the present invention will be described in more detail below with reference to the accompanying drawings and embodiments.

[0028] The invention is an effective energy-saving thermal desorption restoration treatment system for organic polluted soil. as attached figure 1 As shown, it includes feeding system 1, soil preheating and heat recovery system 2, rotary kiln heating system 3, activated carbon adsorption system 4, gas discharge system 5, tail gas dust removal and cooling system 6, sewage treatment and cooling system 7, soil cooling And heat recycling system 8, soil discharge system 9, activated carbon regeneration device 10. The output of feeding system 1 is connected to the material input of soil preheating and heat recovery system 2, the material output of soil preheating and heat recovery system 2 is connected to the input of rotary kiln heating system 3, and the material output of rotary kiln heating sys...

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Abstract

The invention relates to an energy-saving type thermal-desorption repairing treatment system for organic polluted soil and aims at providing a system for thermal-desorption repairing treatment of the organic polluted soil, which can recycle waste heat of the system fully and save resources. The energy-saving type thermal-desorption repairing treatment system comprises a feeding system, a soil preheating and heat recycling system, a rotary kiln heating system, a soil cooling and heat recycling system, a soil discharging system, a tail-gas dust removing and temperature reducing system, a sewage treatment and cooling system, an active-carbon absorbing system, an active-carbon regeneration device, a gas exhausting system and a network monitoring system.

Description

technical field [0001] The invention relates to the field of soil restoration, in particular to an energy-saving thermal desorption restoration treatment system for organic polluted soil. Background technique [0002] Thermal desorption technology is one of the effective technologies for remediation of volatile / semi-volatile organic contaminated soil, and has been successfully applied to polycyclic aromatic hydrocarbons, non-chlorinated volatile and semi-volatile organic pollutants, benzene series, organic pesticides, Remediation of soil contaminated by herbicides, etc. Thermal desorption technology usually uses the method of directly or indirectly heating the soil. The soil temperature needs to be heated to 200-600°C, which consumes a lot of energy. During the treatment process, a large amount of heat is emitted to the environment, resulting in a huge loss of heat. Reasonable use of waste heat is an important issue in reducing energy consumption in thermal desorption syste...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B09C1/06
Inventor 杨勇殷晓东王海东黄海陈美平王燕飞
Owner ZHONGKE DINGSHI ENVIRONMENTAL ENG CO LTD
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