CN209439181U - Organic polluted soil purification device - Google Patents
Organic polluted soil purification device Download PDFInfo
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- CN209439181U CN209439181U CN201821564685.2U CN201821564685U CN209439181U CN 209439181 U CN209439181 U CN 209439181U CN 201821564685 U CN201821564685 U CN 201821564685U CN 209439181 U CN209439181 U CN 209439181U
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Abstract
The utility model discloses organic polluted soil purification devices.Above-mentioned organic polluted soil purification device, comprising: Gas Infrared heater including heating cavity, wears the conveyer belt and infrared heating furnace of heating cavity；Gas pumping part, entrance are connected to the top of heating cavity；Reactor is filled with graininess or cellular first catalyst, and reactor has gas access and gas vent, and the gas access of reactor is connected to the outlet of the gas pumping part；Catalytic absorption tower, it from the bottom to top successively include air inlet section, packing section and spray section, the air inlet section of the gas vent connection catalytic absorption tower of reactor, the air inlet section of catalytic absorption tower is for containing absorbing liquid, absorbing liquid is mixed with the second catalyst, the packing section of catalytic absorption tower is equipped with adsorption stuffing, and the spray section of catalytic absorption tower is equipped with spray tube.Organic polluted soil purification device described in the utility model, repairing effect is good, high-efficient, investment and operating cost are lower.
Description
Technical field
The utility model relates to soil pollution processing technology fields, and in particular to organic polluted soil purification device.
Background technique
Polluted soil needs first to pre-process polluted soil before re-using, the purpose is to remove by
The various pollutants that contaminated soil includes, in order to avoid polluted in the future, or even damage human health.
Surface layer excavation is generally comprised to the method handled by organic polluted soil at present, chemicals elutes and add stabilizer
Etc. links, to remove the pollutant on polluted soil surface, but these methods have the following deficiencies: 1, repair to polluted soil
Multiple or digging process volatilization polluted gas is not collected processing, is mostly used burning process so that throwing having and collecting and handle
Money, operating cost are very high.2, no processing or treatment effeciency be not low mostly for washing water, easily causes secondary pollution.3, polluted soil is repaired
Multiple process is often that interval carries out, few continuous processing, therefore it is slower to repair speed.4, also have using catalysis burning purification volatilization
Gas, but must preheat causes energy consumption excessively high.5, pollutant decomposition rate is slower, and repairing effect is bad.6, the stabilizer added is simultaneously
Pollution cannot be completely eliminated, pollutant also will be slow release in the future.
Soil vapor extraction technology (SVE) is using its high efficiency in production practice as an important soil restoring technology
It finds broad application, " revolutionary technology " is classified as by U.S.EPA (EPA) with its validity and popularity, and divide SVE in situ
With dystopy SVE.The advantages of SVE in situ, is that equipment operation is simple, is not required to excavate, does not destroy soil texture, taken into account at underground water
Reason, operator's not contact stain object.But there is also following disadvantages simultaneously for gas phase extraction technique: with the dense of pollutant in soil
Degree is different, and the processing time is also different, and processing result is affected by soil types and soil horizon, and the processing time is longer.
In contrast, dystopy SVE technology can overcome the shortcomings that SVE in situ to greatest extent, the basic principle is that first will pollution
Soil is simply sieved, and removes cobble and coarse grain component, then the soil after screening is placed into antiseep
In the ground sealing system collected with simple filtrate, and ventilating system is established in the inside of soil heap, it is suitable close by providing
Negative-pressure vacuum environment and suitable temperature and humidity environment are sealed, air extractor separates pollutant from soil, and passes through tail gas
Processing system carries out tail gas clean-up.The final purpose for realizing most of volatile organic contaminant in removal soil, by pollutant
Concentration is reduced to soil remediation target value hereinafter, after the tail gas clean-up generated, realizes that qualified discharge, leakage water are handled through collection
Afterwards, qualified discharge is realized.Dystopy SVE technology is suitable for the processing of the soil containing organic volatile substance, and soil types is chiltern etc.
Repairing effect is more preferable under the conditions of permeability is good.Dystopy SVE technology, which has the advantages that, can be effectively removed waving in soil
Hair property organic pollutant, process cycle is generally at 1-3 months, and the period is shorter, and operating cost is low compared with similar technique, subsequent tail gas
Processing is simple, and exhaust treatment system can avoid secondary pollution, and the influence to environmental and human health impacts is small.
But regardless of original position SVE or dystopy SVE technology, when Soil fine particles content of material is high, when moisture content is high, reparation effect
Fruit is fairly limited, and repair time can be elongated, and rehabilitation expense increases therewith.Furthermore when soil organic substance content height, SVE skill
The removal efficiency of art can also reduce.And when SVE technical treatment clay class soil, the strong absorption of clay will affect releasing for organic matter
It puts, therefore poor to the treatment effect of clay class soil.In addition, the organic exhaust gas that SVE processing generates is needed using bioanalysis etc.
Method is further processed, so that occupation area of equipment is larger, treatment effect is also unstable.
Utility model content
Based on this, that it is necessary to provide a kind of repairing effects is good for the utility model, remediation efficiency is high, without being further processed,
Investment and the lower organic polluted soil purification device of operating cost.
In order to realize the purpose of this utility model, the utility model uses following technical scheme:
A kind of organic polluted soil purification device comprising:
Gas Infrared heater, the Gas Infrared heater include heating cavity, the transport for wearing the heating cavity
Band and provide the infrared heating furnace of infra-red radiation for the soil on the conveyer belt；
The entrance of gas pumping part, the gas pumping part is connected to the top of the heating cavity；
Reactor, the reactor is interior to be filled with graininess or cellular first catalyst, and the reactor has gas
Body entrance and gas vent, the gas access of the reactor are connected to the outlet of the gas pumping part；
Catalytic absorption tower, the catalytic absorption tower are described anti-from the bottom to top successively including air inlet section, packing section and spray section
The gas vent of device is answered to be connected to the air inlet section of the catalytic absorption tower, the air inlet section of the catalytic absorption tower is absorbed for containing
Liquid, the absorbing liquid are mixed with the second catalyst, and the packing section of the catalytic absorption tower is equipped with adsorption stuffing, the catalytic absorption
The spray section of tower is equipped with spray tube.
Above-mentioned organic polluted soil purification device, using infra-red radiation, low-temperature catalytic burning and catalytic absorption technology
It is combined together, can rapidly repair various organic polluted soils, and do not influenced by soil moisture content, either clay is also
It is common soil, can be rapidly repaired using the above method, use scope is wider, and combination is repaired and can effectively be kept away
Exempt from pollution rebound, without further being handled, investment, operating cost and late maintenance cost is greatly reduced；It makes full use of
Gas-preheating is heated and preheated without auxiliary, and subsequent absorption liquid temperature can be improved in the heat of stripping gas and catalysis burning release,
Accelerate catalytic decomposition organic matter speed, the secondary pollutions such as dioxin will not be generated.
In some of embodiments, the organic polluted soil purification device further includes that a soil excavates component, the soil
The top that earth excavates component is arranged a gas gathering mask, and the gas gathering mask is connected to an air blast component, red described in the air blast members
Externally heated oven, the VOC gas for soil to be excavated point volatilization are blown into the infrared heating furnace.
In some of embodiments, the organic polluted soil purification device further includes crusher, and the crusher passes through
Conveying equipment connects the soil and excavates component.
In some of embodiments, the reactor connection oxidant vessel or container for reducing agent.
In some of embodiments, the catalytic absorption tower is connected to oxidant vessel or container for reducing agent or high-efficiency absorbent
Container.
In some of embodiments, the oxidant vessel or container for reducing agent or efficient absorption agent container are gas container
When, the air inlet section of catalytic absorption tower described in the oxidant vessel or container for reducing agent or high-efficiency absorbent reservoir.
In some of embodiments, the oxidant vessel or container for reducing agent or efficient absorption agent container are liquid container
When, spray tube described in the oxidant vessel or container for reducing agent or high-efficiency absorbent reservoir.
In some of embodiments, the adsorption stuffing is ceramic packing, graphene sponge, metal organic framework or absorption
One or more of resin.
In some of embodiments, first catalyst is active carbon, zeolite, the pottery of carried metal or metal oxide
Porcelain or silicon carbide.
In some of embodiments, second catalyst is one of Mn, Co, Fe, Zn, Cu, Mo, Mg or Al or more
The oxide of kind metal.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of organic polluted soil purification device described in one preferred embodiment of the utility model；
Fig. 2 is the structural schematic diagram of organic polluted soil purification device described in the utility model another preferred embodiment.
Specific embodiment
The utility model is described more fully below in conjunction with attached drawing for the ease of understanding the utility model,.But
It is that the utility model can be realized in many different forms, however it is not limited to embodiment described herein.On the contrary, mentioning
Purpose for these embodiments is to make the understanding of the disclosure of the utility model more thorough and comprehensive.
Unless otherwise defined, all technical and scientific terms used herein are led with the technology for belonging to the utility model
The normally understood meaning of the technical staff in domain is identical.Terminology used in the description of the utility model herein only be
The purpose of description specific embodiment, it is not intended that in limitation the utility model.
Embodiment one
The present embodiment provides a kind of organic polluted soil purification methods, include the following steps:
Soil is placed in infra-red radiation environment, infrared radiation is penetrated into soil, and heating soil is with the suction of stripping soil
Attached organic matter generates the VOC gas of high temperature；
The VOC gas of high temperature are transferred to the reactor for being equipped with graininess or cellular first catalyst, the VOC gas
By included heat, on the surface of the first catalyst oxidation reaction occurs for body, removes part VOC gas；
The unreacted VOC gas of reactor enter catalytic absorption tower, and adsorption stuffing is equipped in catalytic absorption tower, and catalysis is inhaled
The bottom for receiving tower is equipped with absorbing liquid, is mixed with the second catalyst in absorbing liquid, and under the action of the second catalyst, VOC gas are generated
Water-soluble preferable organic acid substance is simultaneously dissolved in the absorbing liquid of catalytic absorption tower.
Before soil is placed in infra-red radiation environment, further include the steps that the particle by soil breaking at 1mm-10mm, this
Sample infra-red radiation can be penetrated more thoroughly in soil.Soil is excavated by excavator, then will by conveying equipment
The soil of excavation, which is delivered in crusher, to be crushed.Such as without broken process, directly pass through conveying equipment for the soil of excavation
It is delivered in infra-red radiation environment.
Infra-red radiation environment, as burning jamb, it is infrared to spray into combustion gas (such as LNG) burning generation using porous ceramic plate
Radiation heats soil, is dried, being kept the temperature, and the infrared radiation that when burner combustion issues has stronger penetration power, and
Hydrone can be excited to resonate, can the core depths for penetrating into soil of even heat be guaranteed that heating effect is uniform, be improved
Heating quality and drying efficiency.Since infrared burner is fully premixed with air in burning, it is ensured that burning is complete, to drop
The discharge of low pollution object.
Excavating point in soil can be set air blast component, collects the VOC gas for excavating point volatilization, is allowed to spray into infra-red radiation
One combust of burner and combustion gas of environment had not only reduced volatile matter pollution air, but also can provide part carbon source to reduce combustion gas
Dosage.One gas gathering mask specifically is set in the top for excavating point, gas gathering mask is connected to air blast component.Setting gas gathering mask can prevent open
Part VOC gas are evaporate into air when digging.
Stripping time of the soil in infra-red radiation environment be 1min-60min, i.e., soil by infra-red radiation environment when
Between be 1min-60min, selected according to the type of contaminated soil, or according to the degree of the contaminated object of soil carry out
Selection.
Low-temperature catalytic burning occurs in the reactor containing the first catalyst for VOC gas, generates vibration excited state product.
Catalysis burning is the complete oxidation that fuel is carried out in catalyst surface, and during catalyst combustion reaction, reactant is being urged
Agent surface forms the surface free radical of low energy, generates vibration excited state product, and give off energy in a manner of infra-red radiation.
While fully reacting carries out, the side reaction hair for generating poisonous and harmful substance is effectively inhibited by the selectivity of catalyst
It gives birth to, does not generate or seldom generate the pollutants such as NOx, CO and HC substantially.Conventional catalyst burning needs external heat source and is preheating to 300
DEG C or so, this programme make full use of front end infra-red radiation environment generate high temperature, make to volatilize in 150 DEG C of -250 DEG C of relative low temperatures
The organic matter come decomposes rapidly in the first catalyst surface, and process is without external heat source without preheating.For halogenated hydrocarbons and more
The complexity organic matter such as cycloaromatics, control temperature prevent the harmful substances such as dioxin from generating less than 200 DEG C.VOC gas in reactor
The temperature of body is 150 DEG C -250 DEG C.The temperature of VOC gas in infra-red radiation environment is at 200 DEG C -300 DEG C, into reactor
Temperature is 150 DEG C -250 DEG C afterwards.
Residence time of the VOC gas in reactor is 0.5s-3s.First catalyst is carried metal or metal oxide
Active carbon, zeolite, ceramics or silicon carbide.
Can also be added oxidant or reducing agent in reactor, accelerate catalysis oxidation of the VOC gas in reactor or
It is catalyzed reduction rate.Oxidant is, for example, the strong oxidizers such as ozone gas, hydrogen peroxide, and reducing agent is sodium sulfite, thiosulfuric acid
Sodium, ferrous sulfate etc..Reducing agent can be added in reactor previously according to pollutant kind, and ozone gas can be with VOC gas
It is added in reactor simultaneously.
Catalytic absorption tower is to reach processing VOC exhaust gas using liquid absorption liquid intermiscibility principle similar to VOC exhaust gas
Purpose, by be arranged adsorbent material, catalyst, oxidant (or reducing agent) can also be equipped with, so that hydrophobicity VOC is catalyzed
Oxidation (or catalysis reduction) is water-soluble preferable organic acid substance, avoids exhaust emission environment using absorption.Absorbing liquid temperature
When degree increases, catalytic rate will be accelerated.Catalytic absorption tower sprays facility equipped with circulating pump, water pipe and spray head etc..Also make full use of
The VOC gas of stripping and the heat of catalysis burning release improve the absorbing liquid temperature of catalytic absorption tower, accelerate catalytic decomposition
Organic matter speed.
Adsorption stuffing is preferably one of ceramic packing, graphene sponge, metal organic framework or absorption resin or several
Kind.Second catalyst is the oxide of one of Mn, Co, Fe, Zn, Cu, Mo, Mg or Al or various metals, above-mentioned catalysis
Agent participates in reaction, and reaction speed and efficiency can be improved.The second catalyst being added in catalytic absorption tower can also promote addition
The decomposition of oxidant, ozone, avoids secondary pollution.
Oxidant, reducing agent or high-efficiency absorbent, oxidant, reducing agent can be added in the spray tube of catalytic absorption tower
Or high-efficiency absorbent and water are sprayed into together in catalytic absorption tower, play the effect for accelerating oxidation or reduction.Oxidant is for example, smelly
The strong oxidizers such as carrier of oxygen, hydrogen peroxide, reducing agent are sodium sulfite, sodium thiosulfate, ferrous sulfate etc..
Above-mentioned organic polluted soil purification method, using infra-red radiation, low-temperature catalytic burning and catalytic absorption technology
It is combined together, can rapidly repair various organic polluted soils, and do not influenced by soil moisture content, either clay is also
It is common soil, can be rapidly repaired using the above method, use scope is wider, and whole process, which is not added or adds less, to be absorbed
Agent does not have to adjust pH value, and the soil salt that not will lead to reparation increases or bring into novel substance, and such combination reparation can effectively be kept away
Exempt from pollution rebound, without further being handled, investment, operating cost and late maintenance cost is greatly reduced；It makes full use of
Gas-preheating is heated and preheated without auxiliary, and subsequent absorption liquid temperature can be improved in the heat of stripping gas and catalysis burning release,
Accelerate catalytic decomposition organic matter speed, the secondary pollutions such as dioxin will not be generated；Above equipment can work continuously, production effect
Rate is high, easy to operate.
Fig. 1 is please referred to, the utility model protects a kind of organic polluted soil purification device 100 comprising crusher 10, combustion
Gas infrared heater 20, gas pumping part 30, reactor 40 and catalytic absorption tower 50, crusher 10 add close to Gas Infrared
The arrival end of hot device 20 is arranged；Gas Infrared heater 20 include heating cavity 22, wear heating cavity 22 for transporting soil
The conveyer belt 21 of earth and the infrared heating furnace 23 of infra-red radiation is provided for the soil on conveyer belt 21；Gas pumping part 30 enters
The top of mouth connection heating cavity 22, reactor 40 is interior to be filled with graininess or cellular first catalyst 41, reactor 40
With gas access 42 and gas vent 43, the gas access 42 of reactor 40 is connected to the outlet of gas pumping part 30, in this way
The VOC gas that gas pumping part 30 is extracted out, which enter in reactor 40, is reacted；Catalytic absorption tower 50 successively divides from the bottom to top
For air inlet section 51, packing section 52 and spray section 53, the gas vent 43 of reactor 40 is connected to the air inlet section 51 of catalytic absorption tower 50,
For the air inlet section 51 of catalytic absorption tower 50 for containing absorbing liquid, absorbing liquid is mixed with the second catalyst, the filler of catalytic absorption tower 50
Section 52 is equipped with adsorption stuffing, and the spray section 53 of catalytic absorption tower 50 is equipped with spray tube, is used for shower water or other liquid.It excavates
Soil Gas Infrared heater 20, the infrared radiation that Gas Infrared heater 20 issues are entered back into after crusher 10 is broken
It is penetrated into soil, heating soil is generated the VOC gas of 200 DEG C of -300 DEG C of high temperature, obtained with the organic matter of stripping adsorption by soil
Soil cooling after can directly fill, or can also be further processed；The VOC gas of high temperature enter in reactor,
Temperature is reduced to 150 DEG C -250 DEG C, and VOC gas form the table of low energy by included heat, on the surface of the first catalyst 41
Face free radical generates vibration excited state product, i.e. VOC gas are oxidized under the action of the first catalyst 41, removes part VOC
Gas；The VOC gas of the unreacted surplus of reactor 40 by catalytic absorption tower 50 air inlet section 51 enter catalytic absorption tower, second
Catalyst, under the action of the second catalyst, VOC gas generate water-soluble preferable organic acid substance, then absorbed liquid
It absorbs, avoids exhaust emission environment.
The particle of the broken soil of crusher 10 therein is 1mm-10mm.
Gas Infrared heater 20, as burning jamb, is sprayed into combustion gas (such as LNG) burning and generated using porous ceramic plate
Infra-red radiation heats soil, is dried, is kept the temperature.In the present embodiment, infrared heating furnace 23 is installed on the lower section of conveyer belt 21,
The soil on conveyer belt 21 is heated through conveyer belt 21.In other embodiments, infrared heating furnace 23 can be installed on heating chamber
On the inner sidewall of body 22.Heating cavity 22 be it is semi-enclosed, conveyer belt 21 can from the bottom of heating cavity 22 pass in and out heating chamber
Body 22.Heating cavity 22 gets up soil cladding, can prevent heat losses, reduces fuel consumption.
The top of heating cavity 22 offers gas vent 24, for extracting VOC gas out.
Gas pumping part 30 includes the blower 32 of a tracheae 31 and connectivity trachea 31, and tracheae 31 is connected to heating cavity 22
Gas vent 24, the gas access 42 of the outlet reactor 40 of blower 32.
Reactor 40 can also be connected to oxidant vessel 60 or container for reducing agent 70, be added oxidant or reducing agent with this
Enter in reactor 40, to accelerate the rate of catalysis oxidation or catalysis reduction.
Catalytic absorption tower 50 is furnished with sprinkler part, which includes water pipe 54, spray head 55 and circulating pump 56, water pipe 54
One end protrude into the spray section 53 of catalytic absorption tower 50, the circulating pump 56 that the other end protrudes into catalytic absorption tower 50 is installed on water pipe
54 close to bottom position, and spray head 55 is installed on the air inlet section 51 that water pipe 54 protrudes into catalytic absorption tower 50, and circulating pump 56 can will be inhaled
It receives liquid and is evacuated to from spray head 55 and spray, accelerate the dissolution of gas.
Catalytic absorption tower 50 can be connected to oxidant vessel 60 or container for reducing agent 70 or efficient absorption agent container 80, with this
Oxidant or reducing agent or high-efficiency absorbent are added in catalytic absorption tower 50, with accelerate catalysis oxidation or catalysis reduction or
The rate of absorption.Specifically, when oxidant vessel 60, container for reducing agent 70 or efficient absorption agent container 80 are gas container,
It is connected to water pipe 54, directly gas is passed through in water pipe 54, as spray head 55 is ejected in catalytic absorption tower 50；Such as oxidant
When container 60 is ozone generator, oxidant vessel 60 is directly connected to water pipe 54.When oxidant vessel 60, container for reducing agent 70 or
When efficient absorption agent container 80 is liquid container, oxidant vessel 60, container for reducing agent 70 or efficient absorption agent container 80 are connected to
To the air inlet section 51 of catalytic absorption tower 50.Such as oxidant vessel 60 be dioxygen water container when, hydrogen peroxide reservoir to be catalyzed
The air inlet section 51 on absorption tower 50 directly hydrogen peroxide is added in the absorbent of catalytic absorption tower 50.
Reactor 40 and catalytic absorption tower 50 can be connected to connection oxidant vessel 60 or container for reducing agent 70 simultaneously, can also be with
Select a connection oxidant vessel 60 or container for reducing agent 70.
Further, above-mentioned organic polluted soil purification device 100 further includes that a soil excavates component 90, for excavating
Soil.Soil excavates component 90 and connects crusher 10 by conveying equipment 102, and the soil of excavation is directly passed through conveying equipment
102, which are delivered to crusher 10, is crushed.
Above-mentioned organic polluted soil purification device 100, to realize organic polluted soil purification method above-mentioned.
Embodiment two
Referring to figure 2., the present embodiment is what is different from the first embodiment is that a gas gathering mask is arranged in the top that soil excavates component 90
101, gas gathering mask 101 is connected to an air blast component 103, which is connected to the infrared heating furnace of Gas Infrared heater 20
23, it is blown into the further burning of infrared heating furnace 23 for soil to be excavated the VOC gas that point volatilizes, on the one hand can save combustion
On the other hand material can also prevent the VOC gas for excavating point from evaporateing into air and pollute environment.
Above-described embodiments merely represent several embodiments of the utility model, the description thereof is more specific and detailed,
But it should not be understood as limiting the scope of the patent of the utility model.It should be pointed out that for the common of this field
For technical staff, without departing from the concept of the premise utility, various modifications and improvements can be made, these all belong to
In the protection scope of the utility model.Therefore, the scope of protection shall be subject to the appended claims for the utility model patent.
Claims (7)
1. a kind of organic polluted soil purification device characterized by comprising
Gas Infrared heater, the Gas Infrared heater include heating cavity, wear the heating cavity conveyer belt and
The infrared heating furnace of infra-red radiation is provided for the soil on the conveyer belt；
The entrance of gas pumping part, the gas pumping part is connected to the top of the heating cavity；
Reactor, the reactor is interior to be entered filled with graininess or cellular first catalyst, the reactor with gas
Mouth and gas vent, the gas access of the reactor are connected to the outlet of the gas pumping part；
Catalytic absorption tower, the catalytic absorption tower successively include air inlet section, packing section and spray section, the reactor from the bottom to top
Gas vent be connected to the air inlet section of the catalytic absorption tower, the air inlet section of the catalytic absorption tower is for containing absorbing liquid, institute
It states absorbing liquid and is mixed with the second catalyst, the packing section of the catalytic absorption tower is equipped with adsorption stuffing, the catalytic absorption tower
Spray section is equipped with spray tube.
2. organic polluted soil purification device according to claim 1, which is characterized in that the organic polluted soil purification
Device further includes that a soil excavates component, and a gas gathering mask, the gas gathering mask connection one is arranged in the top that the soil excavates component
Air blast component, infrared heating furnace described in the air blast members, the VOC gas for soil to be excavated point volatilization are blown into described
Infrared heating furnace.
3. organic polluted soil purification device according to claim 2, which is characterized in that the organic polluted soil purification
Device further includes crusher, and the crusher connects the soil by conveying equipment and excavates component.
4. organic polluted soil purification device according to claim 1-3, which is characterized in that the reactor connects
Logical oxidant vessel or container for reducing agent.
5. organic polluted soil purification device according to claim 1-3, which is characterized in that the catalytic absorption
Tower is connected to oxidant vessel or container for reducing agent or efficient absorption agent container.
6. organic polluted soil purification device according to claim 5, which is characterized in that the oxidant vessel or reduction
When agent container or efficient absorption agent container are gas container, the oxidant vessel or container for reducing agent or efficient absorption agent container
It is connected to the air inlet section of the catalytic absorption tower.
7. organic polluted soil purification device according to claim 5, which is characterized in that the oxidant vessel or reduction
When agent container or efficient absorption agent container are liquid container, the oxidant vessel or container for reducing agent or efficient absorption agent container
It is connected to the spray tube.
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| CN201821564685.2U CN209439181U (en) | 2018-09-20 | 2018-09-20 | Organic polluted soil purification device |
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| CN201821564685.2U CN209439181U (en) | 2018-09-20 | 2018-09-20 | Organic polluted soil purification device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109290346A (en) * | 2018-09-20 | 2019-02-01 | 东莞帆生态研究院有限公司 | Organic polluted soil purification method and organic polluted soil purification device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109290346A (en) * | 2018-09-20 | 2019-02-01 | 东莞帆生态研究院有限公司 | Organic polluted soil purification method and organic polluted soil purification device |
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