CN208613364U - A kind of processing unit with Low Temperature Plasma Treating soil organic pollutant - Google Patents
A kind of processing unit with Low Temperature Plasma Treating soil organic pollutant Download PDFInfo
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- CN208613364U CN208613364U CN201820816474.7U CN201820816474U CN208613364U CN 208613364 U CN208613364 U CN 208613364U CN 201820816474 U CN201820816474 U CN 201820816474U CN 208613364 U CN208613364 U CN 208613364U
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- temperature plasma
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- organic pollutant
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Abstract
The utility model discloses a kind of processing units with Low Temperature Plasma Treating soil organic pollutant, design remediation contaminated soil field.The processing unit is that contaminated soil is sent into horizontal drum, the thermal analysis apparatus of horizontal drum periphery generates heat, these heats release the volatile organic matter adsorbed in the soil, volatile organic matter is entered in low-temperature plasma generator by pipeline, the active particle and ultraviolet light generated in low-temperature plasma generator using low temperature plasma, high pressure shock wave, ozone, the collective effects such as high energy electron are in processed volatile organic contaminant, volatile organic contaminant is degraded quickly for carbon dioxide and vapor, the apparatus structure is simple, processing speed is quick, the removal non-selectivity of soil organic matter, and it not will cause secondary pollution, substantially increase treatment effeciency, suitable for industrializing the large-scale reparation for carrying out contaminated soil.
Description
Technical field
The utility model relates to remediation contaminated soil technical field more particularly to a kind of Low Temperature Plasma Treating soil
The processing unit of organic pollutant.
Background technique
Soil is the organic component of ecological environment, be human survival and develop it is most important and most basic it is comprehensive oneself
Right resource.However, the unreasonable exploitation and its smelting of mineral resources discharge, are long-term right with the industrialized fast development in China
Soil carries out the reasons such as the application of atmospheric sedimentation caused by sewage irrigation and sludge application, human activity, chemical fertilizer and pesticide, causes
Soil pollution.China's soil contamination problem becomes increasingly conspicuous, and increasingly attracts people's attention for the prevention and treatment of soil pollution, especially
It is that the improvement of the organic pollutant in soil is more paid attention to.
Currently, it is numerous to the restorative procedure of the soil of organic contamination, wherein organic using Low Temperature Plasma Treating soil
The principle of pollutant are as follows: now in soil will there is volatile organic pollutant to separate importing low-temperature plasma from soil
In body generator, and in low-temperature plasma generator when applied voltage reaches the discharge voltage of gas, gas is breakdown, produces
The raw mixture (i.e. low temperature plasma) including electronics, various ions, atom and free radical；Utilize these high energy electricity
Pollutant effect in son, free radical isoreactivity particle and exhaust gas, makes contaminant molecule decompose in a very short period of time, and
Subsequent various reactions occur to achieve the purpose that degradation of contaminant.
Using non-thermal plasma trap processing organic contamination soil have the advantage that 1. low energy consumption, meet energy conservation and
The requirement of environmental protection；2. short processing time, contaminant removal efficiency is high；3. having pervasive to handled soil without strict demand
Property；4. soil in irregular shape can be handled, the uniformity of material surface processing is good；5. the temperature handled is low.Therefore, low temperature etc.
Ion body technique is a kind of organic polluted soil recovery technique with good development and application prospect.
The utility model patent of Publication No. " CN202460440U " discloses a kind of " with Low Temperature Plasma Treating soil
The processing unit of volatile organic contaminant ", which is sent into soil beds to contact with hot wind by soil makes the organic dirt of volatility
Dye object is separated from soil, is entered back into low-temperature plasma generator and is realized degradation.But this processing unit exist with
Lower defect: 1. grid packing easily blocks in soil beds, need to often replace, and the investment of equipment later period is big；2. contaminated soil is in soil beds
The interior residence time is too short, low to the treatment effeciency of organic pollutant.
Utility model content
For overcome the deficiencies in the prior art, Low Temperature Plasma Treating is used the purpose of this utility model is to provide a kind of
The processing unit of soil organic pollutant, to solve the problems, such as that existing agent, soil treatment method treatment effeciency is not high.
The purpose of this utility model adopts the following technical scheme that realization:
A kind of processing unit with Low Temperature Plasma Treating soil organic pollutant, including horizontal drum, Thermal desorption dress
It sets and low-temperature plasma generator；The horizontal drum is equipped with soil import, soil outlet, body of work area and exhaust outlet；
The thermal analysis apparatus includes the driving device for driving horizontal drum to be pivoted, and further includes being set to the body of work area
The heating device of periphery；The low-temperature plasma generator includes air inlet and air outlet, the air inlet and the exhaust
Mouth connection, the gas outlet is communicated with the atmosphere.
Further, the heating device includes several heating elements for being located on body of work area periphery.
Further, the heating element be Si-Mo rod material heating element, the axis of the heating element with it is described
The axis of horizontal drum is arranged in parallel.
Further, the operating temperature of the heating element is 900 degrees Celsius to 1000 degrees Celsius.
Further, the heating element outer surface is equipped with insulating layer, and the insulating layer is by phenol formaldehyde foam layer, EPG rubber powder
Granular polystyrene layer and BH glue powder polyphenyl particle layer composition.
Further, one end of body of work area outer peripheral surface is equipped with Vltrasonic device, when the heating device works, institute
Vltrasonic device is stated to work at the same time.
Further, the driving device includes motor and transmission gear, and the transmission gear is set to the horizontal drum
End, transmission gear described in the motor driven is to drive the horizontal drum to rotate.
Further, the low-temperature plasma generator includes cabinet, and the air inlet and the gas outlet are set respectively
In the top and bottom of the cabinet.
Further, the low-temperature plasma generator has high-voltage pulse power source, and the cabinet has the first high pressure
Discharge electrode and the second high-voltage discharging electrode, the cabinet body wall are equipped with pole, first high-voltage discharging electrode and second
High-voltage discharging electrode passes through the pole respectively and connects the high-voltage pulse power source.
Further, there is filter by placed in series between the exhaust outlet and the air inlet, the filter is used
In filtering soil particle.
Compared with prior art, the utility model has the beneficial effects that:
(1) by transforming soil beds as horizontal drum, it is external thermal analysis apparatus by hot-blast furnace transformation, extends Polluted Soil
The residence time of earth in the device improves the volatilization efficiency of the volatile organic contaminant in soil, can be improved in soil
The treatment effeciency of volatile organic contaminant；
(2) the problem of avoiding the grid packing blocking in soil beds simultaneously, avoids often replacement grid packing, saves
Later period investment；
(3) it is suitable for industrializing the large-scale reparation for carrying out contaminated soil.
Detailed description of the invention
Fig. 1 is the processing unit with Low Temperature Plasma Treating soil organic pollutant of the utility model；
In figure: 10, horizontal drum；11, soil import；12, soil exports；13, body of work area；14, exhaust outlet；21,
Driving device；211, motor；212, transmission gear；22, heating device；30, low-temperature plasma generator；31, air inlet；
32, gas outlet；40, filter.
Specific embodiment
In the following, being described further in conjunction with attached drawing and specific embodiment to the utility model, it should be noted that
Under the premise of not colliding, it can be formed in any combination between various embodiments described below or between each technical characteristic new
Embodiment.
As shown in Figure 1, a kind of processing with Low Temperature Plasma Treating soil organic pollutant provided by the utility model
Device, including horizontal drum 10, thermal analysis apparatus and low-temperature plasma generator 30 for being heated to horizontal drum 10；It is sleeping
Formula roller 10 is equipped with soil import 11, soil outlet 12, body of work area 13 and exhaust outlet 14, and contaminated soil is from soil import
11 enter horizontal drum 10, and horizontal drum 10 is discharged from soil outlet 12 by the soil of Thermal desorption；Thermal analysis apparatus is located at sleeping
The periphery of formula roller 10, thermal analysis apparatus include the driving device 21 for driving horizontal drum 10 to be pivoted, and further include setting
Heating device 22 in 13 periphery of body of work area；Low-temperature plasma generator 30 includes air inlet 31 and gas outlet 32, into
Port 31 is connected to the exhaust outlet 14 of horizontal drum 10, and gas outlet 32 is communicated with the atmosphere；Soil in horizontal drum 10 passes through
Thermal desorption, volatilizes organic pollutant, and organic pollutant enters low temperature plasma from the outflow of the exhaust outlet 14 of horizontal drum 10
It is handled in generator 30, treated, and gas is discharged from gas outlet 32.Since horizontal drum 10 can be such that contaminated soil is sufficiently stirred,
Heating surface area is increased, therefore the rate of volatilization of organic matter can be improved.
Preferably, in order to reduce use cost, heating device 22 is solar energy heat collector, so that heating source is renewable
The energy, it is more environmentally-friendly.
Preferably, in order to which heating parsing is better achieved, heating device 22 includes several is located on outside body of work area 13
The heating element in week generates heat by heating element, releases the volatile organic matter adsorbed in the soil, compared to utilization
Hot wind transmits heat, can be improved the treatment effeciency of the volatile organic contaminant in soil.
Preferably, in order to improve heating efficiency, heating element is the heating element of Si-Mo rod material, the axis of heating element
It is arranged in parallel with the axis of horizontal drum 10.
Preferably, the operating temperature of heating element is 900 degrees Celsius to 1000 degrees Celsius.
Preferably, in order to more preferably improve heating efficiency, heating element outer surface is equipped with insulating layer, and insulating layer is by phenol formaldehyde foam
Layer, EPG glue powder polyphenyl particle layer and BH glue powder polyphenyl particle layer composition.
Preferably, one end of 13 outer peripheral surface of body of work area is equipped with Vltrasonic device, when heating device 22 works, Vltrasonic device
It works at the same time, Vltrasonic device and heating device 22 are used in combination and ultrasound and heat integration activation pollutant can be achieved, thus maximum limit
The purpose of organic pollutant in degree removal contaminated soil.
Preferably, driving device 21 includes motor 211 and transmission gear 212, and transmission gear 212 is set to 10 end of horizontal drum
Portion, motor 211 drive transmission gear 212 to drive horizontal drum 10 to rotate.
Preferably, low-temperature plasma generator 30 includes cabinet, and air inlet 31 and gas outlet 32 are respectively arranged on cabinet
Top and bottom.
Preferably, low-temperature plasma generator 30 has high-voltage pulse power source, and cabinet has the first high-voltage discharging electrode
With the second high-voltage discharging electrode, cabinet body wall is equipped with pole, and the first high-voltage discharging electrode and the second high-voltage discharging electrode are distinguished
High-voltage pulse power source is connected by pole.
Preferably, there is filter 40 by placed in series between exhaust outlet 14 and air inlet 31, the effect of filter 40 is
Soil particle is filtered, the mixed gas volatilized is prevented to be entrained with the low temperature plasma hair of soil particle blocking pipeline and rear end
Raw device 30.
Above embodiment is only preferred embodiments of the present invention, cannot be protected with this to limit the utility model
Range, the variation of any unsubstantiality that those skilled in the art is done on the basis of the utility model and replacement belong to
In the utility model range claimed.
Claims (10)
1. a kind of processing unit with Low Temperature Plasma Treating soil organic pollutant, it is characterised in that:
Including horizontal drum, thermal analysis apparatus and low-temperature plasma generator；The horizontal drum is equipped with soil import, soil
Outlet, body of work area and exhaust outlet；The thermal analysis apparatus includes the driving device for driving horizontal drum to be pivoted,
It further include the heating device set on body of work area periphery；The low-temperature plasma generator includes air inlet and outlet
Mouthful, the air inlet is connected to the exhaust outlet, and the gas outlet is communicated with the atmosphere.
2. using the processing unit of Low Temperature Plasma Treating soil organic pollutant as described in claim 1, it is characterised in that:
The heating device includes several heating elements for being located on body of work area periphery.
3. using the processing unit of Low Temperature Plasma Treating soil organic pollutant as claimed in claim 2, it is characterised in that:
The heating element is the heating element of Si-Mo rod material, the axis of the axis of the heating element and the horizontal drum
It is arranged in parallel.
4. using the processing unit of Low Temperature Plasma Treating soil organic pollutant as claimed in claim 3, it is characterised in that:
The operating temperature of the heating element is 900 degrees Celsius to 1000 degrees Celsius.
5. using the processing unit of Low Temperature Plasma Treating soil organic pollutant as claimed in claim 3, it is characterised in that:
The heating element outer surface is equipped with insulating layer, and the insulating layer is by phenol formaldehyde foam layer, EPG glue powder polyphenyl particle layer and BH
Glue powder polyphenyl particle layer composition.
6. using the processing unit of Low Temperature Plasma Treating soil organic pollutant as described in claim 1, it is characterised in that:
One end of body of work area outer peripheral surface is equipped with Vltrasonic device, and when the heating device works, the Vltrasonic device is same
When work.
7. the processing unit as claimed in any one of claims 1 to 6 with Low Temperature Plasma Treating soil organic pollutant,
It is characterized in that:
The driving device includes motor and transmission gear, and the transmission gear is set to the horizontal drum end, the motor
The transmission gear is driven to drive the horizontal drum to rotate.
8. the processing unit as claimed in any one of claims 1 to 6 with Low Temperature Plasma Treating soil organic pollutant,
It is characterized in that:
The low-temperature plasma generator includes cabinet, and the air inlet and the gas outlet are respectively arranged on the top of the cabinet
Portion and bottom.
9. using the processing unit of Low Temperature Plasma Treating soil organic pollutant as claimed in claim 8, it is characterised in that:
The low-temperature plasma generator has high-voltage pulse power source, and the cabinet has the first high-voltage discharging electrode and second
High-voltage discharging electrode, the cabinet body wall are equipped with pole, first high-voltage discharging electrode and the second high-voltage discharging electrode point
It Tong Guo not the pole connection high-voltage pulse power source.
10. the processing unit as claimed in any one of claims 1 to 6 with Low Temperature Plasma Treating soil organic pollutant,
It is characterized in that:
There is filter by placed in series between the exhaust outlet and the air inlet, the filter is micro- for filtering soil
Grain.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820816474.7U CN208613364U (en) | 2018-05-29 | 2018-05-29 | A kind of processing unit with Low Temperature Plasma Treating soil organic pollutant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820816474.7U CN208613364U (en) | 2018-05-29 | 2018-05-29 | A kind of processing unit with Low Temperature Plasma Treating soil organic pollutant |
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| Publication Number | Publication Date |
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| CN208613364U true CN208613364U (en) | 2019-03-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201820816474.7U Active CN208613364U (en) | 2018-05-29 | 2018-05-29 | A kind of processing unit with Low Temperature Plasma Treating soil organic pollutant |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110743906A (en) * | 2019-10-28 | 2020-02-04 | 河南省环境保护科学研究院 | Method for removing persistent organic pollutants in soil |
-
2018
- 2018-05-29 CN CN201820816474.7U patent/CN208613364U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110743906A (en) * | 2019-10-28 | 2020-02-04 | 河南省环境保护科学研究院 | Method for removing persistent organic pollutants in soil |
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Address after: 730000 No. 002, 23 / F, No. 87 Zhangye Road, Zhangye road street, Chengguan District, Lanzhou City, Gansu Province Patentee after: Gansu Ruiling Municipal Environmental Protection Engineering Co.,Ltd. Address before: 730000 unit 1, No. 235 Qingyang Road, Baiyin road street, Chengguan District, Lanzhou City, Gansu Province 2006 Patentee before: GANSU RUILINGTONG MUNICIPAL ENVIRONMENTAL PROTECTION ENGINEERING Co.,Ltd. |
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