CN105689380B - The soil restoring device of organo-chlorine pesticide ingredient in a kind of removal agricultural land soil - Google Patents
The soil restoring device of organo-chlorine pesticide ingredient in a kind of removal agricultural land soil Download PDFInfo
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- CN105689380B CN105689380B CN201610267555.1A CN201610267555A CN105689380B CN 105689380 B CN105689380 B CN 105689380B CN 201610267555 A CN201610267555 A CN 201610267555A CN 105689380 B CN105689380 B CN 105689380B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09C—RECLAMATION OF CONTAMINATED SOIL
- B09C1/00—Reclamation of contaminated soil
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09C—RECLAMATION OF CONTAMINATED SOIL
- B09C1/00—Reclamation of contaminated soil
- B09C1/02—Extraction using liquids, e.g. washing, leaching, flotation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09C—RECLAMATION OF CONTAMINATED SOIL
- B09C1/00—Reclamation of contaminated soil
- B09C1/06—Reclamation of contaminated soil thermally
- B09C1/065—Reclamation of contaminated soil thermally by pyrolysis
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G7/00—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals
- F23G7/06—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste gases or noxious gases, e.g. exhaust gases
- F23G7/07—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste gases or noxious gases, e.g. exhaust gases in which combustion takes place in the presence of catalytic material
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- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Soil Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Processing Of Solid Wastes (AREA)
- Fire-Extinguishing Compositions (AREA)
Abstract
The invention discloses a kind of soil restoring devices of organo-chlorine pesticide ingredient in removal agricultural land soil.The system includes original soil hopper, air blast sorting machine, vibrating screening machine, magnetic force screening machine, grinding and crushing machine, thermal desorption-plasma cracking reactor, residual-heat exchanger, water washing cleaning tower, air-introduced machine, adjustable type spray column, residual heat drying machine, rehabilitating soil warehouse.The present apparatus is creative to be utilized by the organo-chlorine pesticide ingredient of adsorption by soil, desorption solution suction phenomenon can occur after heated, it evaporate into air in vapour form, the steam is imported in high temperature plasma flame again, it is acted on using catalytic pyrolysis specific to high temperature plasma flame, so that organo-chlorine pesticide molecular link is broken, and be cracked into small-molecule substance, can be discharged after purified processing.Meanwhile the soil after thermal desorption-plasma cracking purified treatment, it repeats and is applied in agricultural production.
Description
Technical field
The present invention relates to a kind of soil restoring devices of organo-chlorine pesticide ingredient in removal agricultural land soil, belong to environmental protection
In soil remediation field.
Background technology
Organo-chlorine pesticide is for preventing the organic compound for containing organic chlorine element in the constituent of phytopathy, insect pest
Object, it is raw material and using cyclopentadiene as the two major classes of raw material that main component, which is using benzene,.The former is as using earliest, most widely used
Insecticide DDT and six six six and acaricide tetradiphon, dicofol etc., fungicide pentachloronitrobenzene, Bravo,
Road Fengning etc.；The latter is such as the Niran of insecticide, heptachlor, drinox.In addition using turpentine oil as the amphene class desinsection of raw material
Agent, toxaphene and also belong to organo-chlorine pesticide by the bornyl chloride of raw material of terpenes.
Organo-chlorine pesticide has played great effect in human being's production life, but its bio-toxicity and is difficult to the spy to degrade
Property becomes a kind of serious environmental contaminants again.It has that chemical property is stable, be not easily decomposed, residual life is long, less soluble
Yu Shui, it is soluble in the features such as fat and organic solvent, the whole world can be made to be contaminated by air and water environmental media migrate, and
Human health can be finally endangered by the biological magnification of food chain.The study found that Beijing area organo-chlorine pesticide substance
Average content is up to 77.7 μ g/kg, has exceeded soil environment quality primary standard（GB l5618-1995）50μg/kg；Zhejiang Province
Organo-chlorine pesticide substance average value is 34.4 μ g/kg, and wherein peak has been more than 500 μ g/ of soil environment quality secondary standard
kg；The DDT residuals of 0.12 ~ 2.8 μ g/kg are even had also discovered in Antarctic region, are also detected the ice sheet that do not change throughout the year in
The DDT of 0.04ng/kg.
The environmental behaviour of organo-chlorine pesticide in the soil mainly has absorption, diafiltration, diffusion, volatilization, degradation etc..Wherein ooze
Filter, diffusion and volatilization process all can further expand pollution range, and improvement is made to become more difficult.In order to ensure the matter of agricultural product
Amount, the area seriously polluted to some, the soil that technology reparation appropriate should be taken to be contaminated, therefore, by organo-chlorine pesticide
The recovery technique of contaminated soil is in recent years by common concern.
There are many kinds of the methods for administering organochlorine pesticide pollution, such as chemical method, Physical and bioanalysis.Wherein Physical and
Chemical method, such as burn, electrochemical process all in the prevalence of processing cost it is high, easily cause secondary pollution, poor removal effect etc. and lack
Point, and biological rule mainly degrades to the selective degradation mechanism of organo-chlorine pesticide using microorganism, the method treatment effect
Obviously, played an important role during deteriorating pesticide residue, become at present administer remains of pesticide pollution main means it
One.The microorganism of the organo-chlorine pesticide that can degrade of oneself report has bacterium, fungi, actinomyces, algae etc., most of to come from soil
Microbe groups.Bacterium due on its biochemistry a variety of applicable abilities and easy Mutation induction bacterial strain to occupy degradation it is micro-
The main positions of biology.
Organo-chlorine pesticide microbial degradation is happened in a complex environment system, therefore influence factor is numerous.These
Factor can be divided into two kinds of internal cause and external cause, and internal cause refers to the molecular structure of organo-chlorine pesticide, including the complexity of chemical constitution,
The presence etc. of chlorine substituent position, the quantity of chlorine atom, correlation group, different organo-chlorine pesticides just have different biodegradations
Property.External cause refers to the external environment residing for microorganism and organo-chlorine pesticide, such as dissolved oxygen, temperature, pH values, carbon source, nitrogen source and illumination
Factor etc., the variation of these factors may all influence the normal enzyme metabolic activity of microorganism, to influence the life of organo-chlorine pesticide
Object degradation efficiency.
Currently, existing organo-chlorine pesticide microbial technology there are efficiency low, technical sophistication, bacterial screening condition are wanted
Ask high, influence factor numerous, it is of high cost the deficiencies of.Therefore, it is necessary to break away from existing technical thought, hews out and administer in soil
The new way of soil remediation, and then organochlorine agriculture in a kind of removal soil of new type of exploitation are realized in organochlorine pesticide pollution
The soil restoring technology of medicine.
Invention content
For solve the deficiencies in the prior art, the present invention provides organo-chlorine pesticide in a kind of removal agricultural land soil at
The soil restoring device divided, the system include original soil hopper, air blast sorting machine, vibrating screening machine, magnetic force screening machine, grind
Machine, thermal desorption-plasma cracking reactor, residual-heat exchanger, water washing cleaning tower, air-introduced machine, adjustable type spray column, residual heat drying
Machine, rehabilitating soil warehouse etc.；Wherein, the agricultural land soil concentration of the ingredient to be repaired containing organo-chlorine pesticide is stored in original soil hopper
In, centralized collection is carried out herein and completes preliminarily stabilised process, and the soil to be repaired in original soil hopper is conveyed by screw lifting
Machine is delivered to air blast sorting machine, and low-density, the large volume sundries such as plastics, the paper in soil are removed at this, air blast sorting machine
Outlet removes higher density, large-sized impurity in soil at this by transmitting band connection vibrating screening machine, vibrating screening machine
Outlet removes the metal impurities in soil by transmitting band connection magnetic force screening machine, at this, and the outlet of magnetic force screening machine passes through biography
Band connection grinding and crushing machine is sent, soil, which is ground to grain size, herein is less than 10mm, and the outlet of grinding and crushing machine is connected by conveyer belt
Thermal desorption-plasma cracking reactor is connect, the discharge port of thermal desorption-plasma cracking reactor is by transmitting band connection adjustable type
Spray column carries out further elution purification herein, removes soluble impurity, the outlet of adjustable type spray column is by transmitting band connection
Residual heat drying machine, herein will be through moisture drying removal contained in washed off soil, and the outlet of residual heat drying machine is connected by conveyer belt
Connect rehabilitating soil warehouse, it is repaired after soil outward transport recycle, meanwhile, the exhaust gas of thermal desorption-plasma cracking reactor goes out
Mouth connects residual-heat exchanger by waste line, and the after-heat in exhaust gas is collected at this, exhaust gas temperature is made to reduce, waste heat exchanges
The outlet of device connects water washing cleaning tower by waste line, and exhaust gas passes through water washing cleaning and further cools down herein, water washing cleaning
The outlet of tower connects air-introduced machine by waste line, and the tail gas Jing Guo purified treatment is emptied, meanwhile, collected by residual-heat exchanger
To after-heat residual heat drying machine be delivered to by heating pipeline be used.Wherein, thermal desorption-plasma cracking reactor
Material uses Q345R steel alloys, external sheath to have spun-glass insulation thermal insulation layer, and upper left quarter is equipped with soil feed inlet, right
Lower part is equipped with soil discharge port, and inside reactor main part or so is interleaved and installed with 5 conveyer belts, and bottom has been mounted side by side 6
Portion's electric heating air blower, electric heating air blower top are equipped with protection network, 3 plasmatorch are equipped at reactor head smoke discharging pipe,
Very high temperature plasma flame can be generated, ceramic fire resisting shield is installed in the relative position of plasmatorch；By grinding processing
Fine grained soil afterwards enters inside reactor, 5 by the feed inlet of thermal desorption-plasma cracking reactor upper left quarter
Under the driving of conveyer belt, is done with " S-shaped " path and gradually moved downward, meanwhile, 6 electric heating air blowers of reactor bottom are opened
It opens, one stream of hot air from bottom to top is generated in inside reactor, make soil is heated desorption desorption reaction occurs, release it
In organo-chlorine pesticide ingredient, and gradually risen up at reactor head smoke discharging pipe in the form of steam, at this point, positioned at smoke evacuation
3 plasmatorch at pipeline are opened, and are generated very high temperature plasma flame, are utilized catalytic pyrolysis specific to very high temperature plasma flame
Effect, so that organo-chlorine pesticide molecular link is broken, and be cracked into small-molecule substance, to effectively remove organo-chlorine pesticide at
Point, it is discharged by the smoke discharging pipe of reactor head by plasma torch treated exhaust gas, into next exhaust-gas treatment process；
Meanwhile by thermal desorption desorption treated soil, reactor is left by the soil discharge port of reactor right lower quadrant, under
One soil treatment process；Wherein, the effect of residual-heat exchanger is that the exhaust gas for generating thermal desorption-plasma cracking reactor introduces
Wherein, the after-heat entrained by it is recycled, exhaust gas temperature is made to be minimized, and the thermal energy of recycling can be delivered to
It is used in residual heat drying machine；Wherein, the effect of water washing cleaning tower is to carry out the exhaust gas after residual-heat exchanger cools down
Water washing cleaning further removes harmful substance therein；Wherein, the effect of adjustable type spray column be will be waited by thermal desorption-from
Treated that soil is eluted for sub- cracking reactor, further removes soluble impurity therein.
Its thermal desorption-plasma cracking reactor, internal capacity 175m3, conveyer belt conveying speed is 0.3m/s, transmission
Band material selection EP200 type polyester-cotton blend canvas heatproof zones.
Its thermal desorption-plasma cracking reactor, the operating voltage of plasmatorch are 380V, working life 2000h, often
Branch plasmatorch can be controlled individually and is turned on and off, and the temperature of plasma torch is 8500 ~ 9000 DEG C.
The advantage of the invention is that：
（1）This system has broken away from existing organochlorine pesticide pollution soil remediation treatment process, and creative has been utilized
Machine chloro pesticide ingredient is heated easily to occur desorption desorption, by organo-chlorine pesticide conversion is steam-like by heat treatment, then
The steam is imported in high temperature plasma flame, is acted on using catalytic pyrolysis specific to high temperature plasma flame, makes to have
Machine chloro pesticide molecule cracks, and is converted into small-molecule substance, to make soil thoroughly be purified reparation, treatment effeciency
Up to 98.8%.
（2）This system targetedly uses high temperature plasma flame, come to containing higher concentration organo-chlorine pesticide
The technology waste gas of ingredient is handled, and can thoroughly decompose organo-chlorine pesticide ingredient, treated tail gas is without poisonous and harmful
Substance.
（3）This system can be according to actual treatment soil amount and the actual concentrations of Organochlorine Pesticides In Soil, and scene selection is opened
1 to 3 plasmatorch is opened, processing energy consumption is effectively reduced.
（4）This system principle is simple and practicable, and design and construction cost is relatively low, and treatment effect is preferable, operation expense
It is very low, be conducive to promote and apply on a large scale.
Description of the drawings
Fig. 1 is the equipment schematic diagram of the present invention.
In figure：1- original soils hopper, 2- air blast sorting machine, 3- vibrating screening machines, 4- magnetic force screening machine, 5- grinding and crushing machines,
6- thermal desorptions-plasma cracking reactor, 7- residual-heat exchangers, 8- water washing cleanings tower, 9- air-introduced machines, 10- adjustable types spray column,
11- residual heat dryings machine, 12- rehabilitating soil warehouses
Fig. 2 is the schematic diagram of thermal desorption-plasma cracking reactor.
61- feed inlets, 62- spun-glass insulations thermal insulation layer, 63- conveyer belts, 64- electric heating air blower, 65- protection networks, 66-
Plasmatorch, 67- very high temperature plasma flames, 68- ceramics fire resisting shield, 69- discharge ports.
Specific implementation mode
The soil restoring device of organo-chlorine pesticide ingredient in removal agricultural land soil as shown in Figure 1, the system include 1- originals
Earth material bucket, 2- air blast sorting machine, 3- vibrating screening machines, 4- magnetic force screening machine, 5- grinding and crushing machines, 6- thermal desorptions-plasma are split
Solve reactor, 7- residual-heat exchangers, 8- water washing cleanings tower, 9- air-introduced machines, 10- adjustable types spray column, 11- residual heat dryings machine, 12-
Rehabilitating soil warehouse etc.；Wherein, the agricultural land soil concentration of the ingredient to be repaired containing organo-chlorine pesticide is stored in original soil hopper 1,
Centralized collection is carried out herein and completes preliminarily stabilised process, and the soil to be repaired in original soil hopper 1 passes through screw elevating conveyor
It is delivered to air blast sorting machine 2, low-density, the large volume sundries such as plastics, the paper in soil are removed at this, air blast sorting machine 2
Outlet removes higher density, large-sized impurity in soil, vibrating screening machine 3 at this by transmitting band connection vibrating screening machine 3
Outlet by transmitting band connection magnetic force screening machine 4, the metal impurities in soil are removed at this, the outlet of magnetic force screening machine 4 is logical
Transmission band connection grinding and crushing machine 5 is crossed, soil, which is ground to grain size, herein is less than 10mm, and the outlet of grinding and crushing machine 5 passes through biography
Band connection thermal desorption-plasma cracking reactor 6, the discharge port 69 of thermal desorption-plasma cracking reactor 6 is sent to pass through conveyer belt
Adjustable type spray column 10 is connected, further elution purification is carried out herein, removes soluble impurity, the outlet of adjustable type spray column 10
It, herein will be through moisture drying removal, residual heat drying machine 11 contained in washed off soil by transmitting band connection residual heat drying machine 11
Outlet by transmit band connection rehabilitating soil warehouse 12, it is repaired after soil outward transport recycle, meanwhile, thermal desorption-wait from
The waste gas outlet of sub- cracking reactor 6 connects residual-heat exchanger 7 by waste line, and the after-heat in exhaust gas is collected at this,
Exhaust gas temperature is set to reduce, the outlet of residual-heat exchanger 7 connects water washing cleaning tower 8 by waste line, and exhaust gas is herein by washing
It purifies and further cools down, the outlet of water washing cleaning tower 8 connects air-introduced machine 9 by waste line, by the tail Jing Guo purified treatment
Gas empties, meanwhile, after-heat collected by residual-heat exchanger 7 is delivered to residual heat drying machine 11 by heating pipeline and is subject to profit
With.Wherein, thermal desorption -6 material of plasma cracking reactor uses Q345R steel alloys, external sheath to have spun-glass insulation
Thermal insulation layer 62, upper left quarter are equipped with soil feed inlet 61, and right lower quadrant is equipped with soil discharge port 69, and inside reactor main part is left
The right side is interleaved and installed with 5 conveyer belts 63, and 6 electric heating air blowers 64 have been mounted side by side in bottom, and 64 top of electric heating air blower is equipped with anti-
Protecting wire net 65 is equipped with 3 plasmatorch 66 at reactor head smoke discharging pipe, can generate very high temperature plasma flame 67, plasma
Ceramic fire resisting shield 68 is installed in the relative position of torch 66；It is de- by heat by the fine grained soil that grinds that treated
The feed inlet 61 of attached -6 upper left quarter of plasma cracking reactor enters inside reactor, under the driving of 5 conveyer belts 63, with
" S-shaped " path, which is done, gradually to be moved downward, meanwhile, 6 electric heating air blowers 64 of reactor bottom are opened, and are generated in inside reactor
One stream of hot air from bottom to top makes soil is heated desorption desorption reaction occurs, releases organo-chlorine pesticide ingredient therein,
And gradually risen up in the form of steam at reactor head smoke discharging pipe, at this point, 3 plasmatorch at smoke discharging pipe
66 open, and generate very high temperature plasma flame 67, are acted on using catalytic pyrolysis specific to very high temperature plasma flame 67, make organochlorine
Pesticide molecule key is broken, and is cracked into small-molecule substance, to effectively remove organo-chlorine pesticide ingredient, by plasma fire
Flame treated exhaust gas is discharged by the smoke discharging pipe of reactor head, into next exhaust-gas treatment process；Meanwhile by thermal desorption
Desorption treated soil, leaves reactor, into next soil treatment work by the soil discharge port 69 of reactor right lower quadrant
Sequence；Wherein, the effect of residual-heat exchanger 7 is that the exhaust gas for generating thermal desorption-plasma cracking reactor 6 introduces wherein, recycling
Using the after-heat entrained by it, exhaust gas temperature is made to be minimized, and the thermal energy of recycling can be delivered to residual heat drying
It is used in machine 11；Wherein, the effect of water washing cleaning tower 8 is to wash the exhaust gas after the cooling of residual-heat exchanger 7
Purification, further removes harmful substance therein；Wherein, the effect of adjustable type spray column 10 is will to pass through thermal desorption-plasma
Treated that soil is eluted for cracking reactor 6, further removes soluble impurity therein.
By this system treated agricultural land soil, the removal efficiency of organo-chlorine pesticide ingredient is up to 98.8%.
Remove the soil repair system of organo-chlorine pesticide ingredient in agricultural land soil, thermal desorption-plasma cracking reactor 6
Internal capacity be 175m3, 63 conveying speed of conveyer belt is 0.3m/s, and 63 material selection EP200 type polyester-cotton blend canvas of conveyer belt is resistance to
The torrid zone.
Remove the soil repair system of organo-chlorine pesticide ingredient in agricultural land soil, thermal desorption-plasma cracking reactor 6
In, the operating voltage of plasmatorch 66 is 380V, working life 2000h, and every plasmatorch 66 can individually control unlatching
Or close, the temperature of plasma torch 67 is 8500 ~ 9000 DEG C.
Claims (5)
1. the soil restoring device of organo-chlorine pesticide ingredient in a kind of removal agricultural land soil, which is characterized in that the system includes original
It is earth material bucket, air blast sorting machine, vibrating screening machine, magnetic force screening machine, grinding and crushing machine, thermal desorption-plasma cracking reactor, remaining
Heat exchanger, water washing cleaning tower, air-introduced machine, adjustable type spray column, residual heat drying machine and rehabilitating soil warehouse；Wherein, to be repaired
The ingredient containing organo-chlorine pesticide agricultural land soil concentration be stored in original soil hopper, the soil to be repaired in original soil hopper passes through spiral shell
Rotation elevating conveyor is delivered to air blast sorting machine, and the outlet of air blast sorting machine is by transmitting band connection vibrating screening machine, vibrating screen
The outlet of extension set by transmitting band connection magnetic force screening machine, the outlet of magnetic force screening machine by transmitting band connection grinding and crushing machine,
The outlet of grinding and crushing machine is by transmitting band connection thermal desorption-plasma cracking reactor, thermal desorption-plasma cracking reactor
Discharge port by transmitting band connection adjustable type spray column, the outlet of adjustable type spray column, which passes through, transmits band connection residual heat drying
Machine, the outlet of residual heat drying machine by transmitting band connection rehabilitating soil warehouse, it is repaired after soil outward transport recycle, meanwhile,
The waste gas outlet of thermal desorption-plasma cracking reactor connects residual-heat exchanger, the outlet of residual-heat exchanger by waste line
Water washing cleaning tower is connected by waste line, the outlet of water washing cleaning tower connects air-introduced machine by waste line, will pass through purification
The tail gas of processing empties, meanwhile, heat caused by residual-heat exchanger is delivered to residual heat drying machine by heating pipeline and is subject to profit
With；Thermal desorption-plasma cracking reactor material use Q345R steel alloys, reactor external sheath have spun-glass insulation every
Thermosphere, upper left quarter are equipped with soil feed inlet, and right lower quadrant is equipped with soil discharge port, and inside reactor main part or so is staggeredly pacified
Equipped with 5 conveyer belts, 6 electric heating air blowers have been mounted side by side in bottom, and protection network, reactor head are equipped with above electric heating air blower
3 plasmatorch are installed at smoke discharging pipe, very high temperature plasma flame can be generated, pottery is installed in the relative position of plasmatorch
Porcelain fire resisting shield.
2. the soil restoring device of organo-chlorine pesticide ingredient, feature exist in removal agricultural land soil according to claim 1
In the effect of residual-heat exchanger is that the exhaust gas for generating thermal desorption-plasma cracking reactor introduces wherein, recycles its institute
The after-heat of carrying, makes exhaust gas temperature be minimized, and the thermal energy of recycling can be delivered in residual heat drying machine and be subject to
It utilizes.
3. the soil restoring device of organo-chlorine pesticide ingredient, feature exist in removal agricultural land soil according to claim 1
In the effect of adjustable type spray column is to elute the soil after thermal desorption-plasma cracking reactor for treatment, into one
Step removes soluble impurity therein.
4. the soil restoring device of organo-chlorine pesticide ingredient, feature exist in removal agricultural land soil according to claim 1
In, thermal desorption-plasma cracking reactor, internal capacity 175m3, conveyer belt conveying speed is 0.3m/s.
5. the soil restoring device of organo-chlorine pesticide ingredient, feature exist in removal agricultural land soil according to claim 1
In, thermal desorption-plasma cracking reactor, the operating voltage of plasmatorch is 380V, working life 2000h, every etc.
Ion torch can be controlled individually and is turned on and off, and the temperature of plasma torch is 8500 ~ 9000 DEG C.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810981312.3A CN108817065A (en) | 2016-04-27 | 2016-04-27 | The soil repair system of organo-chlorine pesticide ingredient in a kind of removal agricultural land soil |
| CN201610267555.1A CN105689380B (en) | 2016-04-27 | 2016-04-27 | The soil restoring device of organo-chlorine pesticide ingredient in a kind of removal agricultural land soil |
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| CN201610267555.1A CN105689380B (en) | 2016-04-27 | 2016-04-27 | The soil restoring device of organo-chlorine pesticide ingredient in a kind of removal agricultural land soil |
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| CN201610267555.1A Active CN105689380B (en) | 2016-04-27 | 2016-04-27 | The soil restoring device of organo-chlorine pesticide ingredient in a kind of removal agricultural land soil |
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| CN106424111B (en) * | 2016-09-29 | 2022-07-15 | 豆海建 | Soil remediation device and method |
| CN106862256B (en) * | 2017-04-06 | 2018-05-29 | 七台河广民环保科技有限公司 | A kind of soil repair system and method based on dystopy thermal desorption |
| CN109092876A (en) * | 2017-06-21 | 2018-12-28 | 中科鼎实环境工程股份有限公司 | Heat strengthens force ventilation processing system and method |
| CN107617634A (en) * | 2017-09-28 | 2018-01-23 | 中国地质科学院水文地质环境地质研究所 | A kind of quick device and its application method for removing volatile contaminant in soil |
| CN107537850A (en) * | 2017-09-28 | 2018-01-05 | 中国地质科学院水文地质环境地质研究所 | A kind of device and its application method of high-efficient automatic cleaning soil |
| CN109047316A (en) * | 2018-10-06 | 2018-12-21 | 陈祥 | A kind of remote driving waterfall type flame sterilization soil remediation machine |
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| CN108817065A (en) | 2018-11-16 |
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Effective date of registration: 20180921 Address after: 101500 Room 101, 4 Canbo Road, 2 Economic Development Zone, Miyun District, Beijing. Applicant after: Bo Chuan environmental rehabilitation (Beijing) Co., Ltd. Address before: 315000 Haishu District, Ningbo, Zhejiang. 5 rooms, 48 units, 601 rooms, Applicant before: Chen Jie |
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Denomination of invention: Soil restoration device for removing organochlorine pesticide ingredients in farmland soil Effective date of registration: 20191203 Granted publication date: 20181106 Pledgee: Beijing urban construction and development branch of China Construction Bank Co., Ltd Pledgor: Bo Chuan environmental rehabilitation (Beijing) Co., Ltd. Registration number: Y2019990000644 |