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Electrodynamic integrated farmland in-situ remediation device and remediation method thereof

An in-situ remediation and electric technology, applied in the field of contaminated soil remediation, can solve problems such as inability to reach farmland, achieve high efficiency of deep plowing and remediation, high energy conversion efficiency, and increase the depth of plowing

Pending Publication Date: 2018-09-21
GUANGXI BOSSCO ENVIRONMENTAL PROTECTION TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

For farmland restoration equipment, there have been many scientific researches and equipment research and development, but none of them can achieve the effect of efficient deep plowing and effective restoration of farmland

Method used

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  • Electrodynamic integrated farmland in-situ remediation device and remediation method thereof
  • Electrodynamic integrated farmland in-situ remediation device and remediation method thereof
  • Electrodynamic integrated farmland in-situ remediation device and remediation method thereof

Examples

Experimental program
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Effect test

Embodiment example 1

[0039] A farmland was polluted by heavy metals. The main pollutants in the soil were arsenic, cadmium, lead, and zinc. was 21%. The soil is repaired using the equipment and method described in the present invention. The angle between the plow column and the ground is set to be 75°, the number of the plow column is 3, and the length of the plow column is 75 cm. The restoration equipment runs in a clockwise direction from a position close to the border of the farmland to carry out in-situ deep plowing on the polluted soil. The deep plowing depth is 60cm. Stir the mixer to mix the passivator and the polluted soil evenly, and apply the passivator at a rate of 40kg / min; then sprinkle water on the soil that has been mixed with the passivator so that the moisture content of the polluted soil is 23%. Corn was planted 9 days after passivation repair. After one season of planting, the available content of arsenic, cadmium, lead, and zinc in the soil and the yield of the crops were mea...

Embodiment example 2

[0043] A farmland was polluted by heavy metals. The main pollutants in the soil were arsenic, cadmium, copper, and zinc. 18%. The soil is repaired using the equipment and method described in the present invention. The angle between the plow column and the ground is set to be 90°, the number of the plow column is 4, and the length of the plow column is 60 cm. The restoration equipment runs in a clockwise direction from a position close to the border of the farmland to carry out in-situ deep plowing on the polluted soil with a deep plowing depth of 50cm. Stir the mixer to mix the passivator with the polluted soil evenly, and apply the passivator at a rate of 80kg / min; then sprinkle water on the soil that has been mixed with the passivator so that the moisture content of the polluted soil is 23%. Corn was planted 9 days after passivation repair. After one season of planting, the available content of arsenic, cadmium, lead, and zinc in the soil and the yield of the crops were me...

Embodiment example 3

[0047] A farmland was polluted by heavy metals. The main pollutants in the soil were arsenic, cadmium, copper, and zinc. 18%. The soil is repaired using the equipment and method described in the present invention. The angle between the plow column and the ground is set to be 85°, the number of the plow column is 2, and the length of the plow column is 35 cm. The restoration equipment runs in a clockwise direction from a position close to the border of the farmland to carry out in-situ deep plowing on the polluted soil with a deep plowing depth of 20cm. Stir the mixer to mix the passivator and the polluted soil evenly, and apply the passivator at a rate of 10kg / min; then sprinkle water on the soil that has been mixed with the passivator so that the moisture content of the polluted soil is 23%. Rapeseed was planted 9 days after passivation repair. After one season of planting, the available content of arsenic, cadmium, lead, and zinc in the soil and the yield of the crops were...

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Abstract

The invention discloses an electrodynamic integrated farmland in-situ remediation device and a remediation method thereof. The electrodynamic integrated farmland in-situ remediation device comprises apower system, a device operation chamber, a traveling system and a rear rack. A passivator storage box and a passivator stirring mixer are mounted on the rear rack. The passivator stirring mixer canperform stirring mixing on falling passivators and soil. A double-layer deep ploughing system is mounted in front of the device operation chamber through a suspension frame. Deep ploughing is completed before passivator applying and spreading and material uniform mixing, the functions of weeding, deep ploughing, passivator spreading, uniformly mixing and the like are integrated, the in-situ remediation device has the characteristics of high remediation efficiency, low energy consumption, low operation cost, no secondary pollution, wide application range, high practicability and the like, and has a good remediation effect on polluted soil, all of straw and weeds in the remediated soil return to the field, plant diseases and insect pests are reduced, the soil fertility is increased, the soilstructure is optimized, the available content of heavy metals in soil is effectively reduced, and the safety production of the polluted farmland and the yield of crops are improved.

Description

technical field [0001] The invention belongs to the technical field of contaminated soil restoration, in particular to an electric integrated farmland in-situ restoration equipment and a restoration method thereof. Background technique [0002] With the rapid development of industry and agriculture in our country, a large amount of heavy metals are discharged into the environment and accumulate in farmland. According to the "National Soil Survey Bulletin" released in 2014, the environmental quality of cultivated land soil is worrying. The total soil pollution rate in the country is 16.1%, among which the cultivated land soil is the most serious. mu (according to the results of the second national land survey: the total area of ​​cultivated land in the country is 2.03077 billion mu), and the main pollutants are cadmium, nickel, copper, arsenic, mercury, and lead; .2" shows that among the existing cultivated land in my country, a considerable amount of cultivated land is modera...

Claims

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Application Information

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IPC IPC(8): B09C1/08A01B49/04A01B79/02
CPCA01B49/04A01B79/02B09C1/085B09C2101/00
Inventor 杨崎峰蒋林伶廖长君涂春艳张涛高坤覃当麟谢湉
Owner GUANGXI BOSSCO ENVIRONMENTAL PROTECTION TECH
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