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Integrated device for remediation on volatile pollution soil

A volatile pollution and soil remediation technology, applied in the field of contaminated soil remediation, can solve problems such as difficulty in meeting atmospheric emission standards, and achieve the effects of improving absorption rate and absorption effect, occupying less floor space and having a simple structure

Active Publication Date: 2014-09-24
邳州市博睿投资管理有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The present invention overcomes the deficiency in the prior art that the volatile polluted soil is difficult to reach the air discharge standard after treatment, and provides an integrated device for remediating volatile polluted soil

Method used

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  • Integrated device for remediation on volatile pollution soil
  • Integrated device for remediation on volatile pollution soil
  • Integrated device for remediation on volatile pollution soil

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] like figure 1 As shown, it is a schematic structural diagram of an integrated device for remediation of volatile contaminated soil in this embodiment. The device is a tank body, which includes a soil addition and discharge system, an oxidation system, a neutralization system, and an adsorption system from bottom to top. 11 and air discharge system;

[0026] The soil addition and discharge system comprises a soil discharge slant 1, a baffle 2, an air collecting pipe 3, a soil addition port 4 and an air inlet 5, the soil discharge slant 1 is located at the bottom of the tank, and the soil discharge slant The upper port of the bucket 1 has a baffle plate 2 for closing the soil discharge inclined bucket 1, the two ends of the air collecting pipe 3 are open, and are fixed in the tank through a bracket, and there are several air collecting holes 31 on the pipe wall; the soil Adding port 4 is offered on the tank body, and its height is lower than air collecting pipe 3 heights...

Embodiment 2

[0036] like figure 2 As shown, the difference from Example 1 in this embodiment is: the volatile matter in the polluted soil is slightly alkaline, the lye tank 9-1 in the embodiment 1 is replaced by the acid solution tank 9-2, and the lye spray device 10 -1 is replaced by an acid spray device 10-2, and the alkaline solution is replaced by a hydrochloric acid solution. The working principle and method are the same as those in Example 1.

Embodiment 3

[0038] like image 3 As shown, the difference between this embodiment and Example 1 is that the volatile matter in the soil has both alkaline substances and acidic substances, so it is only necessary to improve the neutralization system of the device in Example 1, as follows: Install one group of acid solution tank 9-2 and acid solution spray device 10-2 (acid solution tank 9-2 and acid solution spray device 10-2 above liquid tank 9-1 and lye spray device 10-1 connected by a circulating pump, the acid solution is sulfuric acid), and a mist eliminator 15 is installed between the lye spray device 10-1 and the acid liquid tank 9-2, and the mist eliminator used in this embodiment is a baffle Plate demister. The waste gas enters the mist eliminator 15 after being treated with alkaline solution, and the alkaline liquid droplets in the volatile waste gas are intercepted here; The chemical reaction between the reactive substance and the acid occurs, and the reaction product flows in...

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Abstract

The invention discloses an integrated device for remediation on volatile pollution soil. The integrated device comprises a soil adding and discharging system, an oxidation system, a neutralization system, an adsorption system and an air discharging system in sequence from bottom to top, wherein an inclined soil discharging bucket is positioned at the bottommost part of a tank body; an upper end opening in the inclined soil discharging bucket is provided with a baffle plate for sealing the inclined soil discharging bucket; two ends of a gas collecting tube are opened, the gas collecting tube is fixed in the tank body through a bracket and a plurality of gas collecting holes are formed in the wall of the gas collecting tube; a soil adding hole is formed in the tank body; a gas feed hole is formed in the tank body between the soil adding hole and the baffle plate; the oxidation system comprises an ozone oxidation water storage tank, an aeration disk in the water storage tank, an ozone generation device communicated with the aeration disk, and an ozone oxidation water spraying device communicated with the ozone oxidation water storage tank through a circulating pump I; the neutralization system comprises a neutralization solution tank, and a neutralization solution spraying device communicated with the neutralization solution tank through a circulating pump II; the air discharging system comprises an opening in the top of the tank body and an exhaust fan in the opening.

Description

technical field [0001] The invention relates to the technical field of remediation and treatment of polluted soil, in particular to an integrated device for remediation of volatile polluted soil. Background technique [0002] With the acceleration of the industrialization process, many chemical wastes are randomly dumped, chemical pipelines and storage facilities leak, and chemical production accidents will cause volatile substances such as gasoline, diesel, benzene, toluene, and carbon tetrachloride to pollute the soil. It has a serious impact on the physical and chemical properties of the soil and also threatens the safety of groundwater. At present, the treatment of volatile polluted soil mostly adopts digging away the soil, incineration, landfill, hydraulic flushing and biological treatment in different places. These methods have their own advantages and limitations. [0003] Chinese patent "Volatile and semi-volatile organic compound polluted soil off-site treatment pr...

Claims

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Application Information

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IPC IPC(8): B09C1/00B01D53/75B01D53/76
Inventor 万玉山黄利王晓敏陈艳秋王莉
Owner 邳州市博睿投资管理有限公司
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