CN203408977U - Processing system using normal-temperature desorption and chemical oxidation to restore organic contaminated soil - Google Patents
Processing system using normal-temperature desorption and chemical oxidation to restore organic contaminated soil Download PDFInfo
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- CN203408977U CN203408977U CN201320426278.6U CN201320426278U CN203408977U CN 203408977 U CN203408977 U CN 203408977U CN 201320426278 U CN201320426278 U CN 201320426278U CN 203408977 U CN203408977 U CN 203408977U
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Abstract
The utility model discloses a processing system using normal-temperature desorption and chemical oxidation to restore organic contaminated soil. The system comprises a normal-temperature desorption workshop, a movable type soil turning and throwing device, a volatile gas collecting tube device, an exhaust pipe, a tail gas processing device and a portable photoionization detector, wherein the normal-temperature desorption workshop is internally equipped with the movable type soil turning and throwing device; the soil turning and throwing device comprises a soil turner, a liquid irrigating device, a water pump, a tube, a flowmeter, a manual control valve and a spray nozzle and is used for spraying the potassium permanganate solution while turning and throwing the soil; and the volatile gases generated during the turning and throwing process are collected by the gas collecting tube which is connected with the tail gas processing device through the exhaust pipe. By virtue of the processing system, the volatile and semi-volatile organic contaminated soil can be removed with the removable rate more than 90%. The organic contaminated soil restoring efficiency by the processing system using normal-temperature desorption and chemical oxidation to restore organic contaminated soil is high, and the cost is low. The processing system is a combined restoring technology with strong engineering practicability.
Description
Technical field
The utility model relates to a kind of normal temperature desorb of organic polluted soil and combines restoration processing system with chemical oxidation, belong to environment remediation technical field, be particularly suitable for the reparation of the solid dielectrics such as volatilization half volatile organic co-contaminated soil that produce in the industries such as chemical industry, oil, coking, printing and dyeing.
Background technology
Soil organic pollutant refers to the organic compound that enters soil environment and pollute, the organic pollution discharge industry relating to mainly contains petrochemical industry, coking, paint and coating manufacture, pesticide producing, rubber is manufactured, leather shoes are manufactured, wood-based plate and wood furniture manufacture, automobile and accessory spraying, electronic product is manufactured, steel-making, manufacture of cement etc., and soil organic pollutant mostly is the combined pollutant of volatility and/or semi-volatile organic matter, the continuous migration and conversion of these pollutants, pass through respiratory tract, alimentary canals etc. enter human body, human body is formed to great threat.The method of renovation of organic pollution soil is a lot, at present, the conventional physics restorative procedure of China's repair process organic co-contaminated soil and dystopy chemical repair method, wherein normal temperature desorb restorative procedure is the physical treatment method for volatility and/or half volatile organic polluted soil, refer in the good normal temperature desorb workshop of seal soil is repeatedly turned over to throwing, volatility and/or semi-volatile organic matter in contaminated soil are evaporated, reduce organic concentration in soil or reach the object of repairing polluted soil, the gas evaporating is collected by normal temperature desorb workshop, carry out again a kind of emerging soil remediation method of vent gas treatment.Normal temperature desorption method technique is simple, strong operability, processing cost is low, light-concentration volatile and/or half volatile organic polluted soil in effectively processing, but long to high concentration volatility and/or half volatile organic polluted soil processing time, have conditions of streaking, effect is relatively poor, has greatly limited its application on Practical Project.Dystopy chemical oxidation method refers in the contaminated soil digging out clearly and adds oxidant, by the strong oxidation of oxidant, decomposes the organic pollution in soil.Although dystopy chemical oxidation can decompose the organic pollution in soil by the efficient oxidation, but every batch of oxidation repairing polluted soil amount oxidant content little and that need to add is more, after oxidation Decomposition organic pollution, because soil moisture content is higher, cause repairing rear soil transportation, store difficulty.
All there is certain defect for the reparation of high concentration volatility and/or half volatile organic co-contaminated soil in normal temperature desorb and chemical oxidation technology, cannot meet the reparation requirement of organic co-contaminated soil.For making up the deficiency of normal temperature desorb and chemical oxidation recovery technique, the utility model adopts normal temperature desorb to combine chemical oxidation technology renovation of organic pollution soil, realizes their mutual supplement with each other's advantages.
Utility model content
Technical problem to be solved in the utility model is while processing high concentration volatility and/or semi-volatile organic matter contaminated soil for normal temperature desorb, the single soil remediation method of dystopy chemical oxidation, the deficiency existing and defect problem (repair time length, smearing, high, the single batch processed amount of cost lack etc.), a kind of repair system that adopts normal temperature desorb to combine chemical oxidation treated high concentration volatilization/semi-volatile organic matter contaminated soil is provided, by this system, can realizes the repair process to high-enriched organics contaminated soil.
A desorb associating chemical oxidation repair system, is characterized in that: this system comprises that normal temperature desorb workshop, moveable-type soil turn over polishing apparatus, volatilization gas collection tubes apparatus, portable photo-ionization detector, blast pipe and exhaust gas processing device; Wherein
Described normal temperature desorb workshop is the closed structure with sealing logistics door, it is built-in with moveable-type soil and turns over polishing apparatus and portable photo-ionization detector, soil turns over polishing apparatus for turning over throwing processing to being transported to the soil of the Organic Pollution in it, promote the volatilization of organic contaminants in soil, portable photo-ionization detector is for detection of the contaminated soil top volatility at 15-25cm place or the concentration of semi-volatile organic matter;
Described moveable-type soil turns over polishing apparatus and comprises soil turner, liquid filling, water pump, flexible pipe, flowmeter, manual control valve and jet pipe;
Described liquid is filled with and is positioned at soil turner outside, for storing liquor potassic permanganate;
Described water pump is connected by flexible pipe with described flow container, for extracting liquor potassic permanganate;
Described jet pipe is connected by flexible pipe with described water pump, is placed in the stirrer gear top of soil turner, and in the punching of jet pipe bottom, for spraying liquor potassic permanganate;
Described manual control valve is arranged on the flexible pipe before flowmeter, for regulating the flow of liquor potassic permanganate;
Described flowmeter is arranged between jet pipe and water pump, is used to indicate the flow that liquor potassic permanganate enters jet pipe;
Described volatilization gas collection tubes apparatus comprises gas-collecting pipe and air-introduced machine, is positioned at the top in normal temperature desorb workshop, and is connected with exhaust gas processing device by blast pipe;
Described gas-collecting pipe and airtight link the in top, normal temperature desorb workshop.
In the utility model, preferred, the bottom in described normal temperature desorb workshop is for setting the water-tight concrete layer of thickness.
In the utility model, preferred, the film material in described normal temperature desorb workshop is polyvinylidene fluoride film.
In the utility model, preferably, described volatilization gas collection tubes apparatus comprises three row's gas-collecting pipes, the spacing 3m of being separated by, on top, normal temperature desorb workshop and gas-collecting pipe, all open the hole of diameter 200mm, normal temperature desorb workshop and gas-collecting pipe are at the welding of place, hole, pitch of holes 2m on every gas-collecting pipe.
In the utility model, preferred, gas-collecting pipe adopts lightweight, corrosion-resistant and easy and film material welding, the tubing that air-tightness is good, more preferably Kynoar.
In the utility model, preferred, the dischargeable capacity of described flow container is 2m
3.
In the utility model, preferred, described water pump uses dc source, and opening flow is 10m
3/ h.
In the utility model, preferred, described jet pipe is DN25 steel pipe, long 3000mm, and jet pipe bottom is equipped with 3 rounds, and row and the row 10mm of being separated by, makes a call to a hole every 100mm in same row, and adjacent two holes between arranging misplace mutually, and aperture is 3mm.
During work, the smooth organic polluted soil of stacking in normal temperature desorb workshop, first organic material contaminated soil is carried out the normal temperature desorb processing of certain hour, use moveable-type soil turner to turn over throwing to soil, turning over and throwing frequency is 2 hours/time, turn over the VOC/SVOC concentration of using 15-25cm place, PID fast detecting contaminated soil top in throwing process, until detect data, tend to be steady, stop turning over throwing; Be placed in liquid on moveable-type soil turner fill with fill 6%(w/w) liquor potassic permanganate; Open water pump and manual control valve, adjust flux is 1-8m
3/ h, controlling potassium permanganate addition is 0.316-20g/(kg soil); Start moveable-type soil turner simultaneously, repeatedly repeat to spray liquor potassic permanganate on one side, on one side contaminated soil is carried out to normal temperature desorb and turns over throwing, liquor potassic permanganate is mixed with contaminated soil until in soil potassium permanganate content reach default addition (0.316-20g/(kg is native)); Normal temperature desorb turn over throw and chemical oxidation of gold in volatilization and the gas that produces by the collection of normal temperature desorb workshop after, by the gas-collecting pipe that is positioned at top, normal temperature desorb workshop under the effect of air-introduced machine, by gas-collecting pipe, enter exhaust gas processing device and process, the soil particle diameter after processing is less than 2cm.
The utility model compared with prior art its advantage is:
(1) normal temperature desorb associating chemical oxidation repair process high concentration volatility and/or half volatile organic polluted soil, can effectively avoid the appearance of " conditions of streaking ", significantly shortens repair time, reduces quantities;
(2) in normal temperature desorb workshop, turn over throwing soil, organic matter is evaporated, remove part volatility and/or half volatile organic contaminant, be conducive to reduce the use amount of soil oxidant, reduce processing cost;
(3) soil is carried out to normal temperature desorb and turn over throwing, soil particle diameter reduces, and oxidant is sprayed to stirrer gear the place ahead of soil turner, and contacting of accelerating oxidation agent and contaminated soil effectively improved the utilization rate of oxidant, and after processing, soil particle diameter is less than 2cm;
(4) while spraying liquor potassic permanganate, adopt a small amount of principle repeatedly, on one side spray solution carry out normal temperature desorb on one side and turn over throwing, what be conducive to that potassium permanganate disperses in soil homogenizes, and improves the utilization rate of potassium permanganate;
(5) for volatility and/or half volatile organic contaminant in high density pollution soil, there is good removing effect, accessible pollutant kind is many, as polycyclic aromatic hydrocarbon, petroleum-type, benzene homologues, organic agricultural chemicals etc., be particularly suitable for repairing volatilization half volatile organic double compound contaminated soil;
(6) the utility model is easy to operate, and single batch of engineering treating capacity is large, is different from domestic existing soil remediation equipment and is only applicable to laboratory or pilot scale utilization, and the utility model is more suitable for the Practical Project that contaminated soil earth volume is larger;
(7) whole processing procedure is all in normal temperature desorb workshop, and all organic pollutants are all collected by normal temperature desorb workshop and carried out subsequent treatment, can not cause the secondary pollution of gaseous organic pollutant.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, will the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below.Apparently, the accompanying drawing in the following describes is only embodiment more of the present utility model, for those of ordinary skills, is not paying under the prerequisite of creative work, can also obtain other accompanying drawings according to these accompanying drawings.
Fig. 1 is the structural principle block diagram of the utility model soil remediation method;
Fig. 2 is the treatment system schematic diagram (front view) for normal temperature desorb associating chemical oxidation renovation of organic pollution soil of the utility model one embodiment;
Fig. 3 is the flow chart of steps of the utility model soil remediation method embodiment;
The concentration curve of naphthalene in soil when Fig. 4 is different restorative procedures processing high-concentration naphthalene contaminated soil.
Description of reference numerals
1 contaminated soil
2 moveable-type soil turners
3 liquid are filled with
4 water pumps
5 manual control valves
6 flowmeters
7 flexible pipes
8 jet pipes
9 stirrer gears
10 normal temperature desorb workshop devices
11 volatilization gas collection tubes apparatus
12 blast pipes
13 exhaust gas processing devices
14 portable photo-ionization detectors
The specific embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is only the utility model part embodiment, rather than whole embodiment.Embodiment based in the utility model, those of ordinary skills are not paying the every other embodiment obtaining under creative work prerequisite, all belong to the scope of the utility model protection.
Be placed in existing equipment normal temperature desorb workshop (production of Beijing ancient cooking vessel real environment Engineering Co., Ltd) by organic material contaminated soil, smooth stacking slivering buttress, use soil turner to turn over throwing to contaminated soil, turning over and throwing frequency is 2 hours/time, turn over the VOC/SVOC concentration of using 15-25cm place, portable photo-ionization detector (PID) fast detecting contaminated soil top in throwing process, until detect data, tend to be steady, stop turning over throwing.Potassium permanganate is poured into during liquid fills with, and being made into concentration is 6%(w/w) solution, open water pump and manual control valve, regulating the flow of liquor potassic permanganate is 1-8m
3/ h, the addition of controlling potassium permanganate is 0.316-20g/(kg soil), start moveable-type soil turner simultaneously, repeatedly repeat to spray liquor potassic permanganate on one side, on one side soil is turned over to throw and processes, liquor potassic permanganate is fully mixed with contaminated soil until in soil potassium permanganate content reach preset concentration.Add after liquor potassic permanganate, in turning over throwing process, except the effect of oxidant, the part volatilization/semi-volatile organic matter in contaminated soil also evaporates, discharge by top, normal temperature desorb workshop is collected, and has greatly improved organic removal efficiency in soil.The structural principle block diagram of the utility model soil remediation method as shown in Figure 1.
Organic material contaminated soil restorative procedure of the present utility model and treatment system, have good application prospect for the showering of high-enriched organics contaminated soil.Can not only accelerating oxidation agent and fully the contacting of soil by turning over throwing, can also improve the volatilization of organic pollution in contaminated soil, thereby reduce the use amount of oxidant, also effectively reduced the soil physical and chemical performance variation that a large amount of use oxidants cause simultaneously, reduced processing cost.In treatment system of the present utility model, designed gathering-device and the exhaust gas processing device of volatilization gas, prevented that volatilization gas is diffused in atmosphere, causes secondary pollution.
Method of the present utility model comprises:
In normal temperature desorb workshop, contaminated soil is turned over to throwing, by jet pipe, in contaminated soil, sprays 6%(w/w simultaneously) liquor potassic permanganate, potassium permanganate addition is 0.316-20g/(kg soil).
Normal temperature desorption step:
In experiment, find, use existing normal temperature stripping apparatus (production of Beijing ancient cooking vessel real environment Engineering Co., Ltd), by soil turner, contaminated soil is turned over to throw in normal temperature desorb workshop and process, can make the volatility/semi-volatile organic matter in soil evaporate, the organic removal rate of the high concentration contaminated soils such as dichloroethanes, vinyl chloride reaches 90%.
Method: use moveable-type soil turner, in normal temperature desorb workshop, contaminated soil is turned over to throwing, turning over and throwing frequency is 2 hours/time, turn over the VOC/SVOC concentration of using 15-25cm place, PID fast detecting soil top in throwing process, until detect data, tend to be steady, stop turning over throwing.
Oxidant adds operation:
Found through experiments, do not adding and adding under two kinds of different situations of potassium permanganate, organic clearance significant difference in contaminated soil, thinks that the interpolation of potassium permanganate is carried out oxidation Decomposition to the organic matter in contaminated soil effectively, has greatly improved organic removal efficiency in contaminated soil.
Oxidant adding method:
Take a certain amount of potassium permanganate and be placed in liquid and fill with, being made into concentration is 6%(w/w) the aqueous solution, by jet pipe, spill to soil, use moveable-type soil turner that liquor potassic permanganate is fully mixed and contacted with soil simultaneously.
Below, in conjunction with Fig. 2 and Fig. 3, a preferred embodiment of the present utility model is described in detail.
Embodiment 1
Fig. 2 is that the utility model is for the schematic diagram (front view) of a preferred embodiment of the treatment system of repairing organic polluted soil; As shown in Figure 2, this treatment system comprises: normal temperature desorb workshop 10, and moveable-type soil turns over polishing apparatus, volatilization gas collection tubes apparatus 11, blast pipe 12, exhaust gas processing device 13 and portable photo-ionization detector 14; Wherein
Described normal temperature desorb workshop 10 is for having the closed structure of sealing logistics door, it is built-in with moveable-type soil and turns over polishing apparatus and portable photo-ionization detector, soil turns over polishing apparatus for turning over throwing processing to being transported to the soil 1 of the Organic Pollution in it, promote the volatilization of organic contaminants in soil, portable photo-ionization detector 14 is for detection of the contaminated soil top volatility at 15-25cm place or the concentration of semi-volatile organic matter;
Described moveable-type soil turns over polishing apparatus and comprises moveable-type soil turner 2, liquid filling 3, water pump 4, manual control valve 5, flowmeter 6, flexible pipe 7 and jet pipe 8;
Described liquid filling 3 is positioned at the outside of moveable-type soil turner 2, for storing liquor potassic permanganate;
Described water pump 4 is connected by flexible pipe 7 with described flow container 3, for twitching liquor potassic permanganate;
Described jet pipe 8 is connected by flexible pipe 7 with described water pump 4, is placed in stirrer gear 9 tops of soil turner, and in jet pipe 8 bottom punchings;
Described manual control valve 5 is arranged on the flexible pipe before flowmeter 6, for regulating the flow of liquor potassic permanganate;
Described flowmeter 6 is arranged between jet pipe 8 and water pump 4, is used to indicate the flow that liquor potassic permanganate enters jet pipe 8;
Described volatilization gas collection tubes apparatus 11 comprises gas-collecting pipe and air-introduced machine (not shown), is positioned at the top in normal temperature desorb workshop 10, and is connected with exhaust gas processing device 13 by blast pipe 12;
On 10 tops, described normal temperature desorb workshop and gas-collecting pipe, all have hole, weld at place, hole with volatilization gas collection tubes apparatus 11 in normal temperature desorb workshop 10.
Wherein, the bottom in described normal temperature desorb workshop is for setting the water-tight concrete layer of thickness, and the film material in described normal temperature desorb workshop is Kynoar.
Wherein, described volatilization gas collection tubes apparatus 11 comprises three row's gas-collecting pipes, gas-collecting pipe adopts Kynoar to be prepared from, the spacing 3m of being separated by, on top, normal temperature desorb workshop and gas-collecting pipe, all open the hole of diameter 200mm, normal temperature desorb workshop and gas-collecting pipe are at the welding of place, hole, pitch of holes 2m on every gas-collecting pipe.
Wherein, the dischargeable capacity of described flow container 3 is 2m
3.
Wherein, described water pump 4 uses dc source, and opening flow is 10m
3/ h.
Wherein, described jet pipe 8 is DN25 steel pipe, long 3000mm, and jet pipe bottom is equipped with 3 rounds, and row and the row 10mm of being separated by, make a call to a hole every 100mm in same row, and the hole between adjacent two rows misplaces mutually, and aperture is 3mm.
Use enclosed conveying machine that the high concentration organic polluted soil 1 that polluted by naphthalene is transported in normal temperature desorb workshop 10, smooth stacking slivering buttress, each wide 3m in buttress bottom, the wide 2m in top, stacking is highly 1.5m, spacing 1m between buttress, length 80m, pile up altogether 10 of bar buttress, altogether the about 3000m of repairing organic polluted soil at every turn
3.
Use moveable-type soil turner 2 first soil to be turned over to throwing, turning over and throwing frequency is 2 hours/time, turn over the VOC/SVOC concentration of using portable photo-ionization detector 14 15-25cm places, fast detecting soil top in throwing process, until tending to be steady, detection data stop turning over throwing after (about 8h), dispersed to 2cm left and right through turning over the soil particle of throwing after processing.
To fill 6%(w/w) liquid of liquor potassic permanganate fills with 3 and is placed on moveable-type soil turner 2, opens water pump 4 and manual control valve 5, and by manual control valve 5, regulating liquor potassic permanganate flows is 5m
3/ h, is sprayed at liquor potassic permanganate in the contaminated soil in stirrer gear 9 the place aheads, and the addition of potassium permanganate is 9g/(kg soil), start soil turner, soil is turned over to throwing, liquor potassic permanganate is fully mixed with soil, carry out oxidation Decomposition.Switch off the pump 4 and manual control valve 5.
The organic gas evaporating in whole processing procedure is all collected by the volatilization gas collection tubes apparatus 11 arranging in normal temperature desorb workshop 10, then by blast pipe 12, is delivered to exhaust gas processing device 13 and processes.
Use the present embodiment to repair naphthalene contaminated soil, before processing, in soil, the content of naphthalene, up to 2504.3mg/kg, after treatment, carries out sample detecting to soil in every 2 hours, and experimental result is as shown in table 1 below.
Table 1
| Processing time (h) | Concentration (mg/kg) | Clearance (%) |
| 0 | 2504.3 | 0 |
| 2 | 2339.46 | 6.58 |
| 4 | 2293.46 | 8.42 |
| 6 | 1930.73 | 22.90 |
| 8 | 1691.06 | 32.47 |
| 10 | 1341.43 | 46.43 |
| 12 | 1143.11 | 54.35 |
| 14 | 816.41 | 67.40 |
| 16 | 521.05 | 79.19 |
| 18 | 204.29 | 91.84 |
| 20 | 138.21 | 94.48 |
From preferred embodiment result, can see, pollution concentration reaches in the naphthalene contaminated soil of 2504.3mg/kg to be processed after 20 hours through the utility model method, naphthalene clearance reaches 94.48%, in soil, the content of naphthalene is 138.21mg/kg, lower than B grade standard value (530mg/kg) in < < exhibition land used evaluation criteria of soil environment quality > >.
Comparative experimental example 1
In order to further illustrate the technique effect that adopts the utility model system rehabilitating soil to produce, compared normal temperature desorb, chemical oxidation and adopted the utility model system to carry out normal temperature desorb-chemical oxidation and combined the effect of repairing high concentration volatility and/or half volatile organic co-contaminated soil, soil major pollutants are naphthalenes.
The organic co-contaminated soil of same amount is after normal temperature desorb workshop heap slivering buttress, wherein every 2h turns over throwing once during normal temperature desorb repair process, during chemical oxidation repair process, potassium permanganate is sprayed in contaminated soil with the form of solution, mix rear every 2h sampling with contaminated soil and survey the concentration of naphthalene in soil, during the repair process of normal temperature desorb-chemical oxidation combined remediation technology, 0-8h carries out normal temperature desorb, after 8h, spray liquor potassic permanganate naphthalene in soil is carried out to oxidation Decomposition, its potassium permanganate dosage identical during with chemical oxidation repair process (9g/kg soil), result is illustrated in fig. 4 shown below.
Fig. 4 shows, normal temperature desorb-chemical oxidation combined remediation technology is processed contaminated soil, before 8h, removal and the normal temperature desorb of pollutant in soil are basic identical, not as good as chemical oxidation treatment contaminated soil effect, add potassium permanganate oxidant rear oxidation and decompose pollutant in soil naphthalene, eliminated the smearing occurring when normal temperature desorb is processed, its last treatment effect is high compared with chemical oxidation.As can be seen here, normal temperature desorb associating chemical oxidation recovery technique is better than normal temperature desorb, chemical oxidation monotechnics repair process high concentration organic co-contaminated soil.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (8)
1. the treatment system of normal temperature desorb associating chemical oxidation renovation of organic pollution soil, it is characterized in that: this system comprises normal temperature desorb workshop, moveable-type soil turns over polishing apparatus, volatilization gas collection tubes apparatus, portable photo-ionization detector, blast pipe and exhaust gas processing device; Wherein
Described normal temperature desorb workshop is the closed structure with sealing logistics door, it is built-in with moveable-type soil and turns over polishing apparatus and portable photo-ionization detector, soil turns over polishing apparatus for turning over throwing processing to being transported to the soil of the Organic Pollution in it, promote the volatilization of organic contaminants in soil, portable photo-ionization detector is for detection of the contaminated soil top volatility at 15-25cm place or the concentration of semi-volatile organic matter;
Described moveable-type soil turns over polishing apparatus and comprises soil turner, flow container, water pump, flexible pipe, manual control valve, flowmeter and jet pipe;
It is outside that described flow container is positioned at soil turner, for storing liquor potassic permanganate;
Described water pump is connected by flexible pipe with described flow container, for extracting liquor potassic permanganate;
Described jet pipe is connected by flexible pipe with described water pump, is placed in the stirrer gear top of soil turner, and in the punching of jet pipe bottom, for spraying liquor potassic permanganate to soil;
Described manual control valve is arranged on the flexible pipe before flowmeter, for regulating the flow of liquor potassic permanganate;
Described flowmeter is arranged between jet pipe and water pump, is used to indicate the flow that liquor potassic permanganate enters jet pipe;
Described volatilization gas collection tubes apparatus comprises gas-collecting pipe and air-introduced machine, is positioned at the top in normal temperature desorb workshop, and is connected with exhaust gas processing device by blast pipe;
Described gas-collecting pipe and airtight link the in top, normal temperature desorb workshop.
2. the treatment system of normal temperature desorb associating chemical oxidation renovation of organic pollution soil as claimed in claim 1, is characterized in that: the bottom in described normal temperature desorb workshop is for setting the water-tight concrete layer of thickness.
3. the treatment system of normal temperature desorb associating chemical oxidation renovation of organic pollution soil as claimed in claim 1 or 2, is characterized in that: the film material in described normal temperature desorb workshop is polyvinylidene fluoride film.
4. the treatment system of chemical oxidation renovation of organic pollution soil is combined in normal temperature desorb as claimed in claim 1, it is characterized in that: volatilization gas collection tubes apparatus comprises three row's gas-collecting pipes, the spacing 3m of being separated by, on top, normal temperature desorb workshop and gas-collecting pipe, all open the hole of diameter 200mm, normal temperature desorb workshop and gas-collecting pipe are at the welding of place, hole, pitch of holes 2m on every gas-collecting pipe.
5. the treatment system of normal temperature desorb associating chemical oxidation renovation of organic pollution soil as claimed in claim 1 or 2, is characterized in that: the material of described gas-collecting pipe is Kynoar, is convenient to gas-collecting pipe and is closely connected with top, normal temperature desorb workshop.
6. the treatment system of normal temperature desorb associating chemical oxidation renovation of organic pollution soil as claimed in claim 1, is characterized in that: the dischargeable capacity of described flow container is 2m
3.
7. the treatment system of normal temperature desorb associating chemical oxidation renovation of organic pollution soil as claimed in claim 1, is characterized in that: described water pump uses dc source, and opening flow is 10m
3/ h.
8. the treatment system of chemical oxidation renovation of organic pollution soil is combined in normal temperature desorb as claimed in claim 1, it is characterized in that: described jet pipe is DN25 steel pipe, long 3000mm, jet pipe bottom is equipped with 3 rounds, row and the row 10mm of being separated by, in same row, every 100mm, make a call to a hole, the hole between adjacent two rows misplaces mutually, and aperture is 3mm.
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103406346A (en) * | 2013-07-17 | 2013-11-27 | 中科华南（厦门）环保有限公司 | Method and treatment system for restoring organic pollution soil through combination of room temperature desorption and chemical oxidation |
| CN104759463A (en) * | 2015-01-21 | 2015-07-08 | 南京索益盟环保科技有限公司 | Organic-polluted soil restoration method |
| CN104858228A (en) * | 2015-04-20 | 2015-08-26 | 苏州经贸职业技术学院 | Contaminated soil geothermal greenhouse desorption system |
| CN110079322A (en) * | 2019-04-30 | 2019-08-02 | 湖南省和清环境科技有限公司 | A kind of polycyclic aromatic hydrocarbon pollution treatment formulations and method and purposes |
| CN112517631A (en) * | 2020-11-27 | 2021-03-19 | 苏州精英环保有限公司 | Intelligent normal-temperature desorption remediation equipment and method for volatile organic contaminated soil |
-
2013
- 2013-07-17 CN CN201320426278.6U patent/CN203408977U/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103406346A (en) * | 2013-07-17 | 2013-11-27 | 中科华南（厦门）环保有限公司 | Method and treatment system for restoring organic pollution soil through combination of room temperature desorption and chemical oxidation |
| CN103406346B (en) * | 2013-07-17 | 2015-02-11 | 中科华南（厦门）环保有限公司 | Method and treatment system for restoring organic pollution soil through combination of room temperature desorption and chemical oxidation |
| CN104759463A (en) * | 2015-01-21 | 2015-07-08 | 南京索益盟环保科技有限公司 | Organic-polluted soil restoration method |
| CN104858228A (en) * | 2015-04-20 | 2015-08-26 | 苏州经贸职业技术学院 | Contaminated soil geothermal greenhouse desorption system |
| CN110079322A (en) * | 2019-04-30 | 2019-08-02 | 湖南省和清环境科技有限公司 | A kind of polycyclic aromatic hydrocarbon pollution treatment formulations and method and purposes |
| CN112517631A (en) * | 2020-11-27 | 2021-03-19 | 苏州精英环保有限公司 | Intelligent normal-temperature desorption remediation equipment and method for volatile organic contaminated soil |
| CN113477698A (en) * | 2020-11-27 | 2021-10-08 | 苏州精英环保有限公司 | Intelligent monitoring platform of normal temperature desorption repair equipment |
| CN113477698B (en) * | 2020-11-27 | 2022-03-29 | 苏州精英环保有限公司 | Intelligent monitoring platform of normal temperature desorption repair equipment |
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Address after: 361021 Jimei Road, Fujian, Xiamen, No. 1799 Co-patentee after: CHINA STATE SCIENCE DINGSHI ENVIRONMENTAL ENGINEERING CO.,LTD. Patentee after: ZHONGKE HUANAN (XIAMEN) ENVIRONMENTAL PROTECTION CO.,LTD. Address before: 361021 Jimei Road, Fujian, Xiamen, No. 1799 Co-patentee before: ZHONGKE DINGSHI ENVIRONMENTAL ENGINEERING Co.,Ltd. Patentee before: ZHONGKE HUANAN (XIAMEN) ENVIRONMENTAL PROTECTION CO.,LTD. Address after: 361021 Jimei Road, Fujian, Xiamen, No. 1799 Co-patentee after: ZHONGKE DINGSHI ENVIRONMENTAL ENGINEERING Co.,Ltd. Patentee after: ZHONGKE HUANAN (XIAMEN) ENVIRONMENTAL PROTECTION CO.,LTD. Address before: 361021 Jimei Road, Fujian, Xiamen, No. 1799 Co-patentee before: Beijing Dingshi Environmental Engineering Co.,Ltd. Patentee before: ZHONGKE HUANAN (XIAMEN) ENVIRONMENTAL PROTECTION CO.,LTD. |
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Address after: 361021 No. 1799 Jimei Avenue, Xiamen City, Fujian Province Co-patentee after: ZHONGKE DINGSHI ENVIRONMENTAL ENGINEERING Co.,Ltd. Patentee after: ZHONGKE HUANAN (XIAMEN) ENVIRONMENTAL PROTECTION CO.,LTD. Address before: 361021 No. 1799 Jimei Avenue, Xiamen City, Fujian Province Co-patentee before: CHINA STATE SCIENCE DINGSHI ENVIRONMENTAL ENGINEERING CO.,LTD. Patentee before: ZHONGKE HUANAN (XIAMEN) ENVIRONMENTAL PROTECTION CO.,LTD. |
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