CN104607454A - Thermal treatment restoration method and system for contaminated soil - Google Patents
Thermal treatment restoration method and system for contaminated soil Download PDFInfo
- Publication number
- CN104607454A CN104607454A CN201510033938.8A CN201510033938A CN104607454A CN 104607454 A CN104607454 A CN 104607454A CN 201510033938 A CN201510033938 A CN 201510033938A CN 104607454 A CN104607454 A CN 104607454A
- Authority
- CN
- China
- Prior art keywords
- belt conveyor
- soil
- contaminated soil
- gas
- roller belt
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Landscapes
- Processing Of Solid Wastes (AREA)
Abstract
The invention discloses a thermal treatment restoration method and system for contaminated soil. The thermal treatment restoration method for the contaminated soil comprises the following steps: crushing, conveying, burning, thermally desorbing, recovering heat energy, neutralizing with acidic materials, and dedusting. The system for executing the method comprises a soil crusher, a first carrier roller belt conveyor with a sealed cabin, a paddle dryer, a second carrier roller belt conveyor with the sealed cabin, and a rotary kiln thermal desorption unit, wherein pipes are arranged at all of the soil crusher, the first carrier roller belt conveyor, the paddle dryer, the second carrier roller belt conveyor and the rotary kiln thermal desorption unit and communicated with a secondary combustor. According to the thermal treatment restoration method and the thermal treatment restoration system disclosed by the invention, the organic matters, diffusing into the atmosphere, in the soil can be reduced; the organic matters can be completely transformed into water, carbon dioxide and other non-toxic innocuous substances, and then safely discharged through exhaust gas treatment; the heat energy in the system can be reutilized, so that the system energy consumption can be further reduced, and the economic efficiency is good; the treated soil can be recycled.
Description
Technical field
The present invention relates to environmental improvement field of engineering technology, particularly relate to a kind of heat treatment restorative procedure and system of contaminated soil.
Background technology
In contaminated soil remediation process, can use heat treatment technics, it belongs to peripheral doses technology, is one of technology important in current soil remediation field.Current organic material contaminated soil recovery technique is mainly divided into based technique for in-situ remediation and showering.Wherein showering is excavated by contaminated soil, processes on the ground.Thermal desorption technology is the one of showering technology.This technology generally needs to carry out precrushing to soil before treatment, carry, the operation such as to preheat, and soil particle fragmentation diminished, homogeneous, reduces the moisture content in soil, for thermal desorption unit creates favourable condition of work simultaneously.Because partial organic substances exists volatility, therefore in repair process, partial organic substances does not also enter into thermal desorption unit, just evaporate in air, secondary pollution is caused to surrounding environment, the crowd around workmen and construction site is caused to the infringement in health.Application number be 201310349547.8 Chinese patent also once proposed to adopt thermal desorption technology to repair organic polluted soil, but just during soil breaking transport, the deep treatment of organic prevention of secondary pollution and tail gas is not handled it in repair process.
Summary of the invention
The technical problem that the present invention mainly solves is to provide a kind of heat treatment restorative procedure of contaminated soil, the organic matter that the heat treatment restorative procedure of this contaminated soil can reduce in soil diffuses into air, pass through gathering system, the organic gas produce pretreatment unit and dust carry out collecting and advanced treating, organic matter after thermal desorption unit is separated enters secondary combustion chamber and carries out high-temp combustion, organic matter is thoroughly converted into the nontoxic material of water and carbon dioxide and other, safety dumping after vent gas treatment.Heat energy recycling in system, reduce system energy consumption further, good economy performance, the soil after process can be recycled.
For solving the problems of the technologies described above, the technical scheme that the present invention adopts is: the heat treatment restorative procedure providing a kind of contaminated soil, comprises the following steps:
(1) contaminated soil to be repaired enters enclosed soil crusher and carries out fragmentation, bulk soil breaking is become fritter soil by soil crusher, soil breaking machine cap has fuel gas and dust tap connect aspiration pump, the organic gas of overflowing from contaminated soil when being run by soil crusher and dust collection enter secondary combustion chamber and carry out burning process;
(2) contaminated soil after fragmentation enters the first roller belt conveyor with closed storehouse from the bottom of described soil crusher, contaminated soil after fragmentation is sent into blade dryer and is carried out drying by described first roller belt conveyor, and the gas of generation when contaminated soil carries out drying in described blade dryer and dust are collected to be sent into secondary combustion chamber and carry out burning and process;
(3) dried contaminated soil enters the second roller belt conveyor with closed storehouse from described blade dryer, dried contaminated soil is sent in rotary kiln thermal desorption unit and is carried out thermal desorption process by described second roller belt conveyor, the gas produced in thermal desorption processing procedure and dust are collected feeding secondary combustion chamber and carry out burning process, soil after thermal desorption process is cleaning soil, can recycle;
(4) gas of described second-time burning indoor and dust are after Thorough combustion, and organic matter wherein and soil particle are decomposed and enter cyclone dust collectors with the form of ash-laden gas;
(5) big dust particle in ash-laden gas removed by described cyclone dust collectors, the ash-laden gas removed after big dust particle enters air heat exchanger, heat exchange is carried out in air heat exchanger, air after heat exchange enters described rotary kiln thermal desorption unit and secondary combustion chamber and blade dryer, carries out heat recovery and utilization;
(6) tail gas of air heat exchanger outlet enters cooling tower rapidly, the nozzle of aqueous slkali through cooling tower top is rapidly carried to send in tower by force (forcing) pump, aqueous slkali is atomized into trickle droplet by nozzle, the acidic materials in tail gas and aqueous slkali droplet generation neutralization reaction;
(7) be connected from the tail gas that cooling tower is discharged rapidly with Dry absorption device, the mixture storage tank of splendid attire calcium oxide and active carbon is provided with at the connection flue place of Dry absorption device, the mixture of calcium oxide and active carbon purges through blower fan, enter and connect flue and react with the tail gas that cooling tower is discharged rapidly, purify this tail gas further with removal and the remaining organic matter absorbed in this tail gas and hydrogen chloride, nitrogen oxide and oxysulfide one acid ingredient of class;
(8) tail gas after Dry absorption device reaction enters sack cleaner, removes the fine solid particle be detained in tail gas;
(9) remove after minute dusts through sack cleaner, tail gas enters and causes spray scrubber through exhaust blower and wash, and remove the acidic ingredients in tail gas and fine solid particle further, tail gas enters in air finally by chimney;
(10) described first roller belt conveyor and the second roller belt conveyor are provided with gas and dust outlet, the organic gas of overflowing in contaminated soil course of conveying and dust enter described secondary combustion chamber through described gas and dust outlet and carry out burning process.
In a preferred embodiment of the present invention, in step (2), the maximum heating temperature of blade dryer is 250 degrees Celsius, and the time of soil drying in blade dryer is no more than 2 hours.
In a preferred embodiment of the present invention, in step (3), the thermal desorption treatment temperature of rotary kiln thermal desorption unit is no more than 850 degrees Celsius.
In a preferred embodiment of the present invention, the ignition temperature in step (1) (2) (3) in secondary combustion chamber is greater than 1100 DEG C.
In a preferred embodiment of the present invention, when the acidic materials in tail gas described in step (6) and aqueous slkali droplet generation neutralization reaction, by the temperature regulating aqueous slkali amount to control tail gas, and the temperature of tail gas is reduced to be no more than 220 DEG C.
The present invention also provides a kind of for the system in the heat treatment restorative procedure of above-mentioned contaminated soil, it comprise be connected successively soil crusher, the first roller belt conveyor with closed storehouse, blade dryer, with second roller belt conveyor in closed storehouse and rotary kiln thermal desorption unit, described soil crusher, the first roller belt conveyor, blade dryer, the second roller belt conveyor and rotary kiln thermal desorption unit are provided with pipeline and are communicated with a secondary combustion chamber.
In a preferred embodiment of the present invention, be provided with hydraulic pressure pusher between described second roller belt conveyor and rotary kiln thermal desorption unit, described second roller belt conveyor is communicated with rotary kiln thermal desorption unit by described hydraulic pressure pusher.
In a preferred embodiment of the present invention, described secondary combustion chamber is connected with air heat exchanger and cyclone dust collectors, described air heat exchanger and cyclone dust collectors are interconnected, and described air heat exchanger is communicated with rotary kiln thermal desorption unit with described blade dryer, secondary combustion chamber simultaneously.
In a preferred embodiment of the present invention, described air heat exchanger simultaneously with one rapidly cooling tower be communicated with, described cooling tower is rapidly communicated with a Dry absorption device, and described Dry absorption device is communicated with the mixture storage tank being loaded with calcium oxide and active carbon with a sack cleaner.
In a preferred embodiment of the present invention, the top of described cooling tower is rapidly provided with nozzle, and described nozzle is connected with aqueous slkali.
In a preferred embodiment of the present invention, described in be loaded with calcium oxide and active carbon mixture storage tank be connected with a blower fan.
In a preferred embodiment of the present invention, described sack cleaner is connected with an exhaust blower, and described exhaust blower is connected with a spray scrubber simultaneously, and described spray scrubber is connected with a chimney be vented.
In a preferred embodiment of the present invention, described the first roller belt conveyor with closed storehouse or the second roller belt conveyor with closed storehouse include closed storehouse, belt conveyor, the driver of driving described belt conveyor rotation, multiple carrying roller, charging aperture and discharging opening, described belt conveyor is around described multiple carrying roller, described charging aperture and discharging opening lay respectively at the two ends in described closed storehouse, described belt conveyor, driver and multiple carrying roller are all positioned at described closed storehouse, described closed storehouse are provided with gas and dust outlet.
In a preferred embodiment of the present invention, described closed storehouse is provided with observation window, the outer surface near described belt conveyor in described closed storehouse is provided with clean-up scraper.
The invention has the beneficial effects as follows: the heat treatment restorative procedure of contaminated soil of the present invention adopts closed fragmentation, transport and preheating unit, the organic matter reduced in soil diffuses into air largely.Pass through gathering system, the organic gas produce pretreatment unit and dust carry out collecting and advanced treating, organic matter after thermal desorption unit is separated enters secondary combustion chamber and carries out high-temp combustion, organic matter is thoroughly converted into the nontoxic material of water and carbon dioxide and other, safety dumping.Consider heat energy recycling in system, reduce system energy consumption further, good economy performance, the soil after process can be recycled.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the embodiment of the present invention, below the accompanying drawing used required in describing embodiment is briefly described, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings, wherein:
Fig. 1 is the heat treatment restorative procedure of contaminated soil of the present invention and the embodiment schematic diagram of system;
Fig. 2 is the structural representation for the first roller belt conveyor in the system in the heat treatment restorative procedure of contaminated soil of the present invention or the second roller belt conveyor.
Detailed description of the invention
Be clearly and completely described to the technical scheme in the embodiment of the present invention below, obviously, described embodiment is only a part of embodiment of the present invention, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making other embodiments all obtained under creative work prerequisite, belong to the scope of protection of the invention.
The embodiment of the present invention comprises:
Refer to Fig. 1, the heat treatment restorative procedure of contaminated soil of the present invention comprises the following steps:
(1) contaminated soil to be repaired enters enclosed soil crusher 1 and carries out fragmentation, bulk soil breaking is become fritter soil by soil crusher 1, soil crusher 1 top cover has fuel gas and dust tap connect aspiration pump, the organic gas of overflowing from contaminated soil when being run by soil crusher 1 and dust collection enter secondary combustion chamber 7 and carry out burning process;
(2) contaminated soil after fragmentation enters the first roller belt conveyor 2 with closed storehouse from the bottom of described soil crusher 1, contaminated soil after fragmentation is sent into blade dryer 3 and is carried out drying by described first roller belt conveyor 2, and the gas of generation when contaminated soil carries out drying in described blade dryer 3 and dust are collected to be sent into secondary combustion chamber 7 and carry out burning and process;
(3) dried contaminated soil enters the second roller belt conveyor 4 with closed storehouse from described blade dryer 3, dried contaminated soil is sent in rotary kiln thermal desorption unit 6 and is carried out thermal desorption process by described second roller belt conveyor 4, the gas produced in thermal desorption processing procedure and dust are collected feeding secondary combustion chamber 7 and carry out burning process, soil after thermal desorption process is cleaning soil, can recycle;
(4) gas in described secondary combustion chamber 7 and dust are after Thorough combustion, and organic matter wherein and soil particle are decomposed and enter cyclone dust collectors 10 with the form of ash-laden gas;
(5) big dust particle in ash-laden gas removed by described cyclone dust collectors 10, the ash-laden gas removed after big dust particle enters air heat exchanger 9, heat exchange is carried out in air heat exchanger 9, air after heat exchange enters described rotary kiln thermal desorption unit 6 and secondary combustion chamber 7 and blade dryer 3, carries out heat recovery and utilization;
(6) tail gas that air heat exchanger 9 exports enters cooling tower 11 rapidly, the nozzle of aqueous slkali in lye tank (vat) 8 through cooling tower 11 top rapidly sent into rapidly in cooling tower 11 by force (forcing) pump, aqueous slkali is atomized into trickle droplet by nozzle, acidic materials in tail gas and aqueous slkali droplet generation neutralization reaction, remove the acidic materials in tail gas;
(7) be connected from the tail gas that cooling tower 11 is discharged rapidly with Dry absorption device 14, the mixture storage tank 12 of splendid attire calcium oxide and active carbon is provided with at the connection flue place of Dry absorption device 14, the mixture of calcium oxide and active carbon purges through blower fan 13, enter and connect flue and react with the tail gas that cooling tower 11 is discharged rapidly, purify this tail gas further with removal and the remaining organic matter absorbed in this tail gas and hydrogen chloride, nitrogen oxide and oxysulfide one acid ingredient of class;
(8) enter sack cleaner 15 through the reacted tail gas of Dry absorption device 14, remove the fine solid particle be detained in tail gas;
(9) after minute dusts removed by sack cleaner 15, tail gas enters and causes spray scrubber 17 through exhaust blower 16 and wash, acidic ingredients in further removal tail gas and fine solid particle, tail gas is now comparatively clean, and last tail gas enters in air through chimney 18;
(10) described first roller belt conveyor and the second roller belt conveyor are provided with gas and dust outlet, the organic gas of overflowing in contaminated soil course of conveying and dust enter described secondary combustion chamber through described gas and dust outlet and carry out burning process.
Preferably, in step (2), the maximum heating temperature of blade dryer 3 is 250 degrees Celsius, and the time of soil drying in blade dryer 3 is no more than 2 hours.
Preferably, in step (3), the thermal desorption treatment temperature of rotary kiln thermal desorption unit 6 is no more than 850 degrees Celsius, reduces the moisture content in soil.
Preferably, ignition temperature in step (1) (2) (3) in secondary combustion chamber 7 is greater than 1100 DEG C, guarantee to decompose completely at undecomposed organic principle and the temperature of carbon granule more than 1100 DEG C in rotary kiln thermal desorption unit, reach smokeless, odorless, non-secondary pollution effect.
Preferably, when the acidic materials in tail gas described in step (6) and aqueous slkali droplet generation neutralization reaction, by the temperature regulating aqueous slkali amount to control tail gas, and the temperature of tail gas is reduced to be no more than 220 DEG C, with this avoid two evils because of generation.
Refer to Fig. 1 and Fig. 2, the present invention also provides a kind of for the system in the heat treatment restorative procedure of above-mentioned contaminated soil, it comprises the soil crusher 1 be connected successively, with first roller belt conveyor 2 in closed storehouse, blade dryer 3, with the second roller belt conveyor 4 and the rotary kiln thermal desorption unit 6 in closed storehouse, described soil crusher 1, first roller belt conveyor 2, blade dryer 3, second roller belt conveyor 4 and rotary kiln thermal desorption unit 6 are provided with pipeline and are communicated with a secondary combustion chamber 7, soil crusher 1 is wolf's fang tooth disintegrating machine.
Preferably, be provided with hydraulic pressure pusher 5 between described second roller belt conveyor 4 and rotary kiln thermal desorption unit 6, described second roller belt conveyor 4 is communicated with rotary kiln thermal desorption unit 6 by described hydraulic pressure pusher 5.
Preferably, described secondary combustion chamber 7 is connected with air heat exchanger 9 and cyclone dust collectors 10, described air heat exchanger 9 and cyclone dust collectors 10 are interconnected, described air heat exchanger 9 is communicated with rotary kiln thermal desorption unit 6 with described blade dryer 3, secondary combustion chamber 7 simultaneously, air after heat exchange is sent into blade dryer 3, secondary combustion chamber 7 and rotary kiln thermal desorption unit 6, carries out heat energy recycle.
Preferably, described air heat exchanger 9 simultaneously with one rapidly cooling tower 11 be communicated with, described cooling tower rapidly 11 is communicated with a Dry absorption device 14, and described Dry absorption device 14 is communicated with the mixture storage tank 12 being loaded with calcium oxide and active carbon with a sack cleaner 15.
Preferably, the top of described cooling tower rapidly 11 is provided with nozzle, and described nozzle is connected with aqueous slkali.
Preferably, the mixture storage tank 12 being loaded with calcium oxide and active carbon described in is connected with a blower fan 13.
Preferably, described sack cleaner 15 is connected with an exhaust blower 16, and described exhaust blower 16 is connected with a spray scrubber 17 simultaneously, and described spray scrubber 17 is connected with a chimney be vented 18.
Preferably, described the first roller belt conveyor 2 with closed storehouse or the second roller belt conveyor 4 with closed storehouse include closed storehouse 26, belt conveyor 20, drive the driver 19 that described belt conveyor 20 rotates, multiple carrying roller 23, charging aperture 21 and discharging opening 27, contaminated soil enters conveyer from discharging opening 27 out from charging aperture 21, described belt conveyor 20 is around described multiple carrying roller 23, described charging aperture 21 and discharging opening 27 lay respectively at the two ends in described closed storehouse 26, described belt conveyor 20, driver 19 and multiple carrying roller 23 are all positioned at described closed storehouse 26, described closed storehouse 26 is provided with gas and dust outlet 22, burning process is carried out for gas and dust are discharged to secondary combustion chamber 7 by pipeline.
Preferably, described closed storehouse 26 is provided with observation window 24, soil conveying situation can be observed through observation window 24, outer surface near described belt conveyor 20 in described closed storehouse 26 is provided with clean-up scraper 25, clean-up scraper 25 can scrape off the earth that belt conveyor 20 adheres to, ensure the clean of belt conveyor 20, make belt conveyor 20 long-play also can not reduce transfer efficiency.
The foregoing is only embodiments of the invention; not thereby the scope of the claims of the present invention is limited; every utilize description of the present invention to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical field, be all in like manner included in scope of patent protection of the present invention.
Claims (14)
1. a heat treatment restorative procedure for contaminated soil, is characterized in that, comprise the following steps:
(1) contaminated soil to be repaired enters enclosed soil crusher and carries out fragmentation, bulk soil breaking is become fritter soil by soil crusher, soil breaking machine cap has fuel gas and dust tap connect aspiration pump, the organic gas of overflowing from contaminated soil when being run by soil crusher and dust collection enter secondary combustion chamber and carry out burning process;
(2) contaminated soil after fragmentation enters the first roller belt conveyor with closed storehouse from the bottom of described soil crusher, contaminated soil after fragmentation is sent into blade dryer and is carried out drying by described first roller belt conveyor, and the gas of generation when contaminated soil carries out drying in described blade dryer and dust are collected to be sent into secondary combustion chamber and carry out burning and process;
(3) dried contaminated soil enters the second roller belt conveyor with closed storehouse from described blade dryer, dried contaminated soil is sent in rotary kiln thermal desorption unit and is carried out thermal desorption process by described second roller belt conveyor, the gas produced in thermal desorption processing procedure and dust are collected feeding secondary combustion chamber and carry out burning process, soil after thermal desorption process is cleaning soil, can recycle;
(4) gas of described second-time burning indoor and dust are after Thorough combustion, and organic matter wherein and soil particle are decomposed and enter cyclone dust collectors with the form of ash-laden gas;
(5) big dust particle in ash-laden gas removed by described cyclone dust collectors, the ash-laden gas removed after big dust particle enters air heat exchanger, heat exchange is carried out in air heat exchanger, air after heat exchange enters described rotary kiln thermal desorption unit and secondary combustion chamber and blade dryer, carries out heat recovery and utilization;
(6) tail gas of air heat exchanger outlet enters cooling tower rapidly, the nozzle of aqueous slkali through cooling tower top is rapidly carried to send in tower by force (forcing) pump, aqueous slkali is atomized into trickle droplet by nozzle, the acidic materials in tail gas and aqueous slkali droplet generation neutralization reaction;
(7) be connected from the tail gas that cooling tower is discharged rapidly with Dry absorption device, the mixture storage tank of splendid attire calcium oxide and active carbon is provided with at the connection flue place of Dry absorption device, the mixture of calcium oxide and active carbon purges through blower fan, enter and connect flue and react with the tail gas that cooling tower is discharged rapidly, purify this tail gas further with removal and the remaining organic matter absorbed in this tail gas and hydrogen chloride, nitrogen oxide and oxysulfide one acid ingredient of class;
(8) tail gas after Dry absorption device reaction enters sack cleaner, removes the fine solid particle be detained in tail gas;
(9) remove after minute dusts through sack cleaner, tail gas enters and causes spray scrubber through exhaust blower and wash, and remove the acidic ingredients in tail gas and fine solid particle further, tail gas enters in air finally by chimney;
(10) described first roller belt conveyor and the second roller belt conveyor are provided with gas and dust outlet, the organic gas of overflowing in contaminated soil course of conveying and dust enter described secondary combustion chamber through described gas and dust outlet and carry out burning process.
2. the heat treatment restorative procedure of contaminated soil according to claim 1, is characterized in that, in step (2), the maximum heating temperature of blade dryer is 250 degrees Celsius, and the time of soil drying in blade dryer is no more than 2 hours.
3. the heat treatment restorative procedure of contaminated soil according to claim 1, is characterized in that, in step (3), the thermal desorption treatment temperature of rotary kiln thermal desorption unit is no more than 850 degrees Celsius.
4. the heat treatment restorative procedure of contaminated soil according to claim 1, is characterized in that, the ignition temperature in step (1) (2) (3) in secondary combustion chamber is greater than 1100 DEG C.
5. the heat treatment restorative procedure of contaminated soil according to claim 1, it is characterized in that, when the acidic materials in tail gas described in step (6) and aqueous slkali droplet generation neutralization reaction, by the temperature regulating aqueous slkali amount to control tail gas, and the temperature of tail gas is reduced to be no more than 220 DEG C.
6. one kind for the system in the heat treatment restorative procedure of contaminated soil according to claim 1, it is characterized in that, comprise be connected successively soil crusher, the first roller belt conveyor with closed storehouse, blade dryer, with second roller belt conveyor in closed storehouse and rotary kiln thermal desorption unit, described soil crusher, the first roller belt conveyor, blade dryer, the second roller belt conveyor and rotary kiln thermal desorption unit are provided with pipeline and are communicated with a secondary combustion chamber.
7. according to claim 6 for the system in the heat treatment restorative procedure of contaminated soil, it is characterized in that, be provided with hydraulic pressure pusher between described second roller belt conveyor and rotary kiln thermal desorption unit, described second roller belt conveyor is communicated with rotary kiln thermal desorption unit by described hydraulic pressure pusher.
8. according to claim 6 for the system in the heat treatment restorative procedure of contaminated soil, it is characterized in that, described secondary combustion chamber is connected with air heat exchanger and cyclone dust collectors, described air heat exchanger and cyclone dust collectors are interconnected, and described air heat exchanger is communicated with rotary kiln thermal desorption unit with described blade dryer, secondary combustion chamber simultaneously.
9. according to claim 8 for the system in the heat treatment restorative procedure of contaminated soil, it is characterized in that, described air heat exchanger simultaneously with one rapidly cooling tower be communicated with, described cooling tower is rapidly communicated with a Dry absorption device, and described Dry absorption device is communicated with the mixture storage tank being loaded with calcium oxide and active carbon with a sack cleaner.
10. according to claim 9ly it is characterized in that for the system in the heat treatment restorative procedure of contaminated soil, the top of described cooling tower is rapidly provided with nozzle, and described nozzle is connected with aqueous slkali.
11. according to claim 9ly is characterized in that for the system in the heat treatment restorative procedure of contaminated soil, described in be loaded with calcium oxide and active carbon mixture storage tank be connected with a blower fan.
12. is according to claim 9 for the system in the heat treatment restorative procedure of contaminated soil, it is characterized in that, described sack cleaner is connected with an exhaust blower, and described exhaust blower is connected with a spray scrubber simultaneously, and described spray scrubber is connected with a chimney be vented.
13. is according to claim 6 for the system in the heat treatment restorative procedure of contaminated soil, it is characterized in that, described the first roller belt conveyor with closed storehouse or the second roller belt conveyor with closed storehouse include closed storehouse, belt conveyor, drive the driver that described belt conveyor rotates, multiple carrying roller, charging aperture and discharging opening, described belt conveyor is around described multiple carrying roller, described charging aperture and discharging opening lay respectively at the two ends in described closed storehouse, described belt conveyor, driver and multiple carrying roller are all positioned at described closed storehouse, described closed storehouse is provided with gas and dust outlet.
14. according to claim 13ly is characterized in that for the system in the heat treatment restorative procedure of contaminated soil, and described closed storehouse is provided with observation window, and the outer surface near described belt conveyor in described closed storehouse is provided with clean-up scraper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510033938.8A CN104607454B (en) | 2015-01-23 | 2015-01-23 | The heat treatment restorative procedure and system of a kind of contaminated soil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510033938.8A CN104607454B (en) | 2015-01-23 | 2015-01-23 | The heat treatment restorative procedure and system of a kind of contaminated soil |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104607454A true CN104607454A (en) | 2015-05-13 |
| CN104607454B CN104607454B (en) | 2018-04-06 |
Family
ID=53142249
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510033938.8A Active CN104607454B (en) | 2015-01-23 | 2015-01-23 | The heat treatment restorative procedure and system of a kind of contaminated soil |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104607454B (en) |
Cited By (25)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104874593A (en) * | 2015-05-19 | 2015-09-02 | 北京鼎实环境工程有限公司 | Method and device for treating organic polluted soil by two-section-type indirect thermal desorption technology |
| CN104971819A (en) * | 2015-06-30 | 2015-10-14 | 武汉都市环保工程技术股份有限公司 | Polluted soil ex-situ desorption remediation system |
| CN105080957A (en) * | 2015-09-18 | 2015-11-25 | 中国科学院武汉岩土力学研究所 | Afterheat-recycled contaminated soil thermal desorption repair system |
| CN105170630A (en) * | 2015-10-27 | 2015-12-23 | 华东理工大学 | Combined type soil washing and desorption method and device |
| CN106077068A (en) * | 2016-08-30 | 2016-11-09 | 中钢集团天澄环保科技股份有限公司 | A kind of multifunctional mobile module thermal desorption system |
| CN106180169A (en) * | 2016-08-31 | 2016-12-07 | 广西博世科环保科技股份有限公司 | A kind of Soil Thermal desorption renovation technique and equipment |
| CN107036107A (en) * | 2016-02-04 | 2017-08-11 | 北京建工环境修复股份有限公司 | Organic waste gas treatment device and organic waste gas treatment method |
| CN107030100A (en) * | 2016-02-04 | 2017-08-11 | 北京建工环境修复股份有限公司 | Thermal desorption system and thermal desorption method |
| CN107116095A (en) * | 2017-06-07 | 2017-09-01 | 广西博世科环保科技股份有限公司 | A kind of thermal desorption system and its processing method for handling organic polluted soil |
| CN107971330A (en) * | 2017-11-23 | 2018-05-01 | 北京建工环境修复股份有限公司 | The organic polluted soil dystopy thermal desorption repair system and method that waste heat efficiently utilizes |
| CN108435776A (en) * | 2018-03-28 | 2018-08-24 | 中国计量大学 | Enter the device and method of kiln soil using the soil waste heat desiccation after thermal desorption |
| CN108856269A (en) * | 2018-06-25 | 2018-11-23 | 安徽建筑大学 | Method for repairing high-concentration polycyclic aromatic hydrocarbon contaminated soil through pressurized rapid reverse airflow thermal desorption thermal oxidation |
| CN109848197A (en) * | 2019-01-04 | 2019-06-07 | 北京坤达胜源环境科技有限公司 | A kind of thermal desorption repair system of organic material contaminated soil |
| CN109940036A (en) * | 2017-12-20 | 2019-06-28 | 北京中毅工程科技有限公司 | Soil restoring device and method |
| CN110180881A (en) * | 2019-06-14 | 2019-08-30 | 南京中船绿洲环保有限公司 | It is a kind of to cooperate with indirect thermal desorption soil repair system and its restorative procedure |
| CN111014268A (en) * | 2019-12-26 | 2020-04-17 | 天津大学 | Thermal remediation system for organic matter contaminated soil through two-phase transformation thermal treatment |
| CN111822497A (en) * | 2020-07-30 | 2020-10-27 | 广东佳德环保科技有限公司 | Remediation device system and method for soil organic matter and heavy metal pollution |
| CN111842458A (en) * | 2020-07-01 | 2020-10-30 | 广东中科碧城环境技术有限公司 | Thermal desorption remediation method for organic contaminated site |
| CN112090949A (en) * | 2020-08-13 | 2020-12-18 | 江苏长三角环境科学技术研究院有限公司 | A energy-efficient dystopy thermal desorption system for high concentration pollutes soil |
| CN113275371A (en) * | 2021-05-25 | 2021-08-20 | 南京金乾盛建设工程有限公司 | Thermal desorption treatment process and repair device for organic contaminated soil |
| CN113664029A (en) * | 2018-09-04 | 2021-11-19 | 湖南新九方科技有限公司 | Thermal desorption restoration method for treating organic pollution site |
| CN113751485A (en) * | 2020-06-04 | 2021-12-07 | 中石化绿能科技股份有限公司 | Soil pollution's heat treatment system |
| CN113941593A (en) * | 2021-09-30 | 2022-01-18 | 江苏长三角环境科学技术研究院有限公司 | Miniaturized high concentration pollutes soil dystopy thermal desorption system |
| CN114393023A (en) * | 2022-01-19 | 2022-04-26 | 白城师范学院 | A soil improvement device for agricultural |
| CN114508902A (en) * | 2022-01-27 | 2022-05-17 | 中国计量大学 | Storage type soil drying system for recycling waste heat of secondary combustion chamber and control method |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005254036A (en) * | 2004-03-09 | 2005-09-22 | Kajima Corp | Combined contaminated soil cleaning apparatus |
| CN103357654A (en) * | 2013-08-13 | 2013-10-23 | 山西省环境科学研究院 | Integrated contaminated soil heat treatment system |
| CN103962374A (en) * | 2013-11-01 | 2014-08-06 | 中科华南（厦门）环保有限公司 | Environment-friendly and energy-saving thermal-desorption remediation treatment system for organic contaminated soil |
| CN103990645A (en) * | 2014-05-12 | 2014-08-20 | 中节能六合天融环保科技有限公司 | A thermal desorption method for treating organically contaminated soil by utilization of boiler flue gas |
| CN104226681A (en) * | 2014-09-17 | 2014-12-24 | 杭州大地环保工程有限公司 | Device and method for indirect thermal desorption disposal of persistent organic pollutant contaminated soil |
| CN204448809U (en) * | 2015-01-23 | 2015-07-08 | 苏州同和环保工程有限公司 | A kind of for the system in the heat treatment restorative procedure of contaminated soil |
-
2015
- 2015-01-23 CN CN201510033938.8A patent/CN104607454B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005254036A (en) * | 2004-03-09 | 2005-09-22 | Kajima Corp | Combined contaminated soil cleaning apparatus |
| CN103357654A (en) * | 2013-08-13 | 2013-10-23 | 山西省环境科学研究院 | Integrated contaminated soil heat treatment system |
| CN103962374A (en) * | 2013-11-01 | 2014-08-06 | 中科华南（厦门）环保有限公司 | Environment-friendly and energy-saving thermal-desorption remediation treatment system for organic contaminated soil |
| CN103990645A (en) * | 2014-05-12 | 2014-08-20 | 中节能六合天融环保科技有限公司 | A thermal desorption method for treating organically contaminated soil by utilization of boiler flue gas |
| CN104226681A (en) * | 2014-09-17 | 2014-12-24 | 杭州大地环保工程有限公司 | Device and method for indirect thermal desorption disposal of persistent organic pollutant contaminated soil |
| CN204448809U (en) * | 2015-01-23 | 2015-07-08 | 苏州同和环保工程有限公司 | A kind of for the system in the heat treatment restorative procedure of contaminated soil |
Cited By (33)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104874593B (en) * | 2015-05-19 | 2018-01-23 | 中科鼎实环境工程股份有限公司 | A kind of two-part indirect thermal desorption PROCESS FOR TREATMENT organic contamination indigenous method and equipment |
| CN104874593A (en) * | 2015-05-19 | 2015-09-02 | 北京鼎实环境工程有限公司 | Method and device for treating organic polluted soil by two-section-type indirect thermal desorption technology |
| CN104971819A (en) * | 2015-06-30 | 2015-10-14 | 武汉都市环保工程技术股份有限公司 | Polluted soil ex-situ desorption remediation system |
| CN105080957A (en) * | 2015-09-18 | 2015-11-25 | 中国科学院武汉岩土力学研究所 | Afterheat-recycled contaminated soil thermal desorption repair system |
| CN105170630A (en) * | 2015-10-27 | 2015-12-23 | 华东理工大学 | Combined type soil washing and desorption method and device |
| CN107036107A (en) * | 2016-02-04 | 2017-08-11 | 北京建工环境修复股份有限公司 | Organic waste gas treatment device and organic waste gas treatment method |
| CN107030100A (en) * | 2016-02-04 | 2017-08-11 | 北京建工环境修复股份有限公司 | Thermal desorption system and thermal desorption method |
| CN106077068A (en) * | 2016-08-30 | 2016-11-09 | 中钢集团天澄环保科技股份有限公司 | A kind of multifunctional mobile module thermal desorption system |
| CN106180169A (en) * | 2016-08-31 | 2016-12-07 | 广西博世科环保科技股份有限公司 | A kind of Soil Thermal desorption renovation technique and equipment |
| CN106180169B (en) * | 2016-08-31 | 2018-09-28 | 广西博世科环保科技股份有限公司 | A kind of soil thermal desorption renovation technique and equipment |
| CN107116095A (en) * | 2017-06-07 | 2017-09-01 | 广西博世科环保科技股份有限公司 | A kind of thermal desorption system and its processing method for handling organic polluted soil |
| CN107971330A (en) * | 2017-11-23 | 2018-05-01 | 北京建工环境修复股份有限公司 | The organic polluted soil dystopy thermal desorption repair system and method that waste heat efficiently utilizes |
| CN109940036A (en) * | 2017-12-20 | 2019-06-28 | 北京中毅工程科技有限公司 | Soil restoring device and method |
| CN108435776A (en) * | 2018-03-28 | 2018-08-24 | 中国计量大学 | Enter the device and method of kiln soil using the soil waste heat desiccation after thermal desorption |
| CN108435776B (en) * | 2018-03-28 | 2023-12-12 | 中国计量大学 | Device and method for drying kiln-entering soil by utilizing waste heat of soil after thermal desorption |
| CN108856269B (en) * | 2018-06-25 | 2019-08-09 | 安徽建筑大学 | Method for repairing high-concentration polycyclic aromatic hydrocarbon contaminated soil through pressurized rapid reverse airflow thermal desorption thermal oxidation |
| CN108856269A (en) * | 2018-06-25 | 2018-11-23 | 安徽建筑大学 | Method for repairing high-concentration polycyclic aromatic hydrocarbon contaminated soil through pressurized rapid reverse airflow thermal desorption thermal oxidation |
| CN113664029A (en) * | 2018-09-04 | 2021-11-19 | 湖南新九方科技有限公司 | Thermal desorption restoration method for treating organic pollution site |
| CN109848197A (en) * | 2019-01-04 | 2019-06-07 | 北京坤达胜源环境科技有限公司 | A kind of thermal desorption repair system of organic material contaminated soil |
| CN110180881A (en) * | 2019-06-14 | 2019-08-30 | 南京中船绿洲环保有限公司 | It is a kind of to cooperate with indirect thermal desorption soil repair system and its restorative procedure |
| CN111014268A (en) * | 2019-12-26 | 2020-04-17 | 天津大学 | Thermal remediation system for organic matter contaminated soil through two-phase transformation thermal treatment |
| CN113751485A (en) * | 2020-06-04 | 2021-12-07 | 中石化绿能科技股份有限公司 | Soil pollution's heat treatment system |
| CN111842458A (en) * | 2020-07-01 | 2020-10-30 | 广东中科碧城环境技术有限公司 | Thermal desorption remediation method for organic contaminated site |
| CN111822497A (en) * | 2020-07-30 | 2020-10-27 | 广东佳德环保科技有限公司 | Remediation device system and method for soil organic matter and heavy metal pollution |
| CN111822497B (en) * | 2020-07-30 | 2024-02-06 | 广东佳德环保科技有限公司 | Repairing device system and method for soil organic matter and heavy metal pollution |
| CN112090949A (en) * | 2020-08-13 | 2020-12-18 | 江苏长三角环境科学技术研究院有限公司 | A energy-efficient dystopy thermal desorption system for high concentration pollutes soil |
| CN113275371A (en) * | 2021-05-25 | 2021-08-20 | 南京金乾盛建设工程有限公司 | Thermal desorption treatment process and repair device for organic contaminated soil |
| CN113275371B (en) * | 2021-05-25 | 2022-01-04 | 南京金乾盛建设工程有限公司 | Thermal desorption treatment process and repair device for organic contaminated soil |
| CN113941593A (en) * | 2021-09-30 | 2022-01-18 | 江苏长三角环境科学技术研究院有限公司 | Miniaturized high concentration pollutes soil dystopy thermal desorption system |
| CN113941593B (en) * | 2021-09-30 | 2023-02-28 | 江苏长三角环境科学技术研究院有限公司 | Miniaturized high concentration pollutes soil dystopy thermal desorption system |
| CN114393023A (en) * | 2022-01-19 | 2022-04-26 | 白城师范学院 | A soil improvement device for agricultural |
| CN114393023B (en) * | 2022-01-19 | 2022-12-27 | 白城师范学院 | A soil treatment device for agricultural |
| CN114508902A (en) * | 2022-01-27 | 2022-05-17 | 中国计量大学 | Storage type soil drying system for recycling waste heat of secondary combustion chamber and control method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104607454B (en) | 2018-04-06 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104607454A (en) | Thermal treatment restoration method and system for contaminated soil | |
| CN204448809U (en) | A kind of for the system in the heat treatment restorative procedure of contaminated soil | |
| CN110560019A (en) | efficient, energy-saving and environment-friendly waste activated carbon regeneration method | |
| WO2020041917A1 (en) | Green cleaning-thermal desorption integrated technology treatment method and system for high-concentration petroleum sludge | |
| CN109539272A (en) | The high-temperature plasma recycling recovery process of waste containing chlorine and system | |
| CN103256608B (en) | sludge incineration method | |
| CN103964656B (en) | A kind of municipal sludge minimizing, innocuity disposal system and treatment process | |
| CN106439842B (en) | A kind of removing means and method containing mercury in mercury contaminants | |
| CN103557529B (en) | Cracking burned waste gas heat circulation and flue gas purification system | |
| CN212188526U (en) | Flue gas treatment system after sludge treatment | |
| KR101232058B1 (en) | Organic waste recycling system using twice drying method | |
| CN111928263A (en) | System for utilize rotary kiln to burn burning furnace and handle hazardous waste | |
| CN111359422A (en) | Efficient dry deacidification device and method for waste incineration flue gas | |
| CN110237664A (en) | A kind of refuse incineration deacidifying flue gas processing system | |
| CN109099437B (en) | Comprehensive waste treatment system and treatment method thereof | |
| CN216779827U (en) | Industrial waste salt pyrolysis system | |
| CN105536461A (en) | Domestic garbage incineration flue gas treatment process | |
| CN106178877A (en) | A kind of coke oven flue waste gas purification waste heat recovery apparatus and technique | |
| CN104907317B (en) | One kind is died of illness poultry harmless treatment integrated system and its technique | |
| CN111578722A (en) | Integrated modular ex-situ direct thermal desorption method | |
| JP2013150981A (en) | Heat-cleaning apparatus for contaminated soil | |
| CN110986053A (en) | Method for treating high-halogen hazardous waste | |
| CN212663166U (en) | A gas cleaning device for high sulphur high halogen hazardous waste burns | |
| CN215523315U (en) | Hazardous waste incineration disposal system | |
| KR20100076267A (en) | Waste resources-to-energy system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |