CN2530740Y - Contaminated soil heterotopic biological repair system - Google Patents
Contaminated soil heterotopic biological repair system Download PDFInfo
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- CN2530740Y CN2530740Y CN 02210909 CN02210909U CN2530740Y CN 2530740 Y CN2530740 Y CN 2530740Y CN 02210909 CN02210909 CN 02210909 CN 02210909 U CN02210909 U CN 02210909U CN 2530740 Y CN2530740 Y CN 2530740Y
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- contaminated soil
- prefabricated bed
- prosthetic device
- soil heterotopic
- heterotopic biological
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Abstract
The utility model relates to a contaminated soil biological repair system, in particular to a contaminated soil heterotopic biological repairing device. The utility model adopts a prefabricated bed, takes a blocking plate as a sidewall and has a platfond which is provided with ventilating holes which is vertically provided with a ventilating pipe. The platfond is also provided with a plurality of water spray pipes, each of which is provided with a plurality of nozzles, the under side of the prefabricated bed is provided with a ventilating channel and an anti-leakage layer, and a mixing pond is arranged at one side of the prefabricated bed. The utility model is used in the project in terms of a large scale and is highly efficient and quick.
Description
Technical field
The utility model relates to the contaminated soil recovery technique, specifically a kind of contaminated soil heterotopic biological prosthetic device.
Background technology
Mainly be divided into in-situ treatment and dystopy is handled two classes about the contaminated soil bioremediation technology, the biology in situ processing method is directly to adopt bioremediation technology in contaminated area; This technology is fit to the soil of large tracts of land slight pollution, and expense is low, but because environmental condition is wayward, so long processing period.The heterotopic biological recovery technique is polluted soil to be transported to specific project site carry out biological restoration, this method can guarantee biodegradable more satisfactory condition, thereby good to the contaminated soil treatment effect, can prevent that also pollutant from shifting, and is regarded as a treatment technology with broad prospect of application.Contaminated soil biological restoration device has following several at present: 1) carry out greasy filth offal treatment experiment in the solarium of rainproof ceiling is arranged, document 1: bioremediation technology research (Zhang Hairong, Guo Shuhai, the Li Peijun etc. of greasy filth discarded object, the bioremediation technology research of greasy filth discarded object, Techniques and Equipment for Environmental Pollution Control, 2002,3 (1): 61-64), with φ 15 * 20cm pottery pot as treating apparatus, every basin adds pending greasy filth discarded object 4kg, in order to solve oxygen supply, adopt the method for stirring soil 1 time in 20 days.
2) replace treating apparatus in the laboratory with beaker, document 2: (Dinke is strong, Sun Tiehang, Li Peijun, Zhang Hairong to the Study on degradation of oil-polluted soils for fungi, fungi is to the Study on degradation of oil-polluted soils, " JOURNAL OF MICROBIOLOGY ", 1999,19 (4): 25-26,34) in, in order to study the repairing effect of microorganism, replace treating apparatus in the laboratory with the 100ml beaker, in 28 ℃ of researchs that experimentize of constant incubator control temperature to oil-polluted soils.3) use vial as treating apparatus; document 3:(Chang Zhizhou, He Jiajun; microbe inoculation is to improving the influence of oil degradation rate on two kinds of soil; agriculture environmental protection; 1998,17 (1): 15-17,33); in order to study microbe inoculation to improving the influence of oil degradation rate, the vial of using 470ml is as treating apparatus.Document 4: biotechnology is handled east, Ji oil field oil-containing soil (Wang Hongjun, Wu Rengang, Wang Jialin, " Research of Environmental Sciences ", 2000,13 (5): 20-23) reported open-air medium scale experimental study, a kind of biologic treating technique and disposal field are disclosed, it is thick to spread native 4cm on the ground, surrounds 1m
2The experiment field of size adds crude oil, treats that it oozes down naturally, turns over about the 20cm of upper strata, makes oil content cloth even.Adopt Jia Shui, add bacterium, add slag, Ensure Liquid, turn over/measures such as week for 2 times, handled 183 days, the former oil concentration of soil drops to 16g/g from 85g/g, and degradation rate is 81.6%; Wherein the bacterium that is added is a bacterium, and 2 pseudomonas belong to, 1 strain xanthomonas, and wherein nutrients is urea, potassium dihydrogen phosphate, causes easily environment and phreatic secondary pollution.The organic polluted soil bioremediation technology more and more causes environmentalist's attention in China, but also only be in laboratory lab scale and pilot scale stage at present, use, yet there are no report as project scale, particularly also do not have specialized facilities than the treatment technology and the treatment facility of standard.
The utility model content
The purpose of this utility model provides and a kind ofly can use as project scale, pollution-free, efficient organic polluted soil heterotopic biological prosthetic device fast.
To achieve these goals, the technical solution of the utility model is: mainly comprise baffle plate, prefabricated bed, breather pipe, passage, ventilating duct, impervious barrier, cistern, mixing pit, described prefabricated bed is used to stack the preliminary treatment contaminated soil, be sidewall with the baffle plate, have a ceiling, its body is provided with passage, and breather pipe is vertically mounted on the passage of prefabricated bed; Described ceiling place is provided with a plurality of sparge pipes, and each sparge pipe is installed a plurality of shower nozzles; Being provided with ventilating duct below the described prefabricated bed, is impervious barrier below ventilating duct; Described mixing pit is located at a side of prefabricated bed;
The described cistern that supplies storage water to use, be connected with water pump is located at a side of prefabricated bed; Both sides at described prefabricated bed are provided with domatic input and output material ramp; Be covered with pore around the described breather pipe, the breather pipe body is wrapped with nylon yarn; Leave the space between the described baffle plate; On the sidewall of described prefabricated bed lattice door is installed.
The utlity model has following advantage:
1. can use as project scale.The utility model device makes the operation process condition optimizing, can realize organic polluted soil bioremediation technology practicability, industrialization.Optimal conditions shows:
Simple in structure, applicable performance is strong.The utility model can provide the living environment of microorganism, satisfies the existence demand (as: oxygen, moisture, nutrients etc.) of microorganism;
Can guarantee gravity-flow ventilation and exhaust.The utility model comprises prefabricated bed, on prefabricated bed, be provided with passage, vertical prefabricated bed direction also is provided with movable breather pipe, also design pore around the breather pipe, and below the prefabricated bed ventilating duct is arranged, be xoncrete structure, high .05m, wide 0.4m therefore without any need for external energy, can satisfy the ventilation and the exhaust of windrow;
Can prevent from surrounding environment and underground water are caused secondary pollution.The infiltration layer owing to set up defences below the utility model ventilating duct, has xoncrete structure, can prevent from underground water is polluted, around the prefabricated bed the high baffle plate of 1m (iron plate) is arranged, can prevent that contaminated soil from polluting surrounding environment, ceiling is arranged above, is semi-transparent glass steel tile material, can be rainproof but not exclusively shading;
Can satisfy the living necessities of microorganism.The utility model designs many water distributors and multi-faceted shower nozzle below ceiling, can in time keep the skin wet as required.When mixing pit contaminated soil and microbial inoculum mixing, to regulate pH, make the pH value of windrow adjust to 6～8.
2. handle organic polluted soil efficient height, speed is fast.Adopt the utility model to handle oil-polluted soils, various environmental conditions are convenient to control except that temperature, therefore remove pollutant efficient height, (＜100g/kg) contaminated soil has good regulation effect to high concentration, with 26 days processing times be example, handling thin oil polluted soil degrading rate is more than 50%, it is more than 56% that the high greasy dirt with fixed attention of processing dyes the soil degrading rate, handling the condensed oil polluted soil degrading rate is more than 31%, as seen the utility model is compared with facility articles for use in the prior art, saves time and instant effect.
Description of drawings
Fig. 1 is the utility model structural representation.
Fig. 2 is the 1-1 generalized section of Fig. 1.
Fig. 3 is the water injection system structural representation of Fig. 1.
Fig. 4 is Fig. 1 Center Vent tube structural representation.
The specific embodiment
Below in conjunction with embodiment the utility model is described in further detail.
Embodiment
As shown in Figure 1, the utility model mainly comprises baffle plate 3, prefabricated bed 4, breather pipe 5, passage 6, ventilating duct 8, impervious barrier 9, cistern 11, mixing pit 13, described prefabricated bed 4 is a stainless steel material, the long 20m of steel plate, wide 10m, thick 10mm is used to stack the preliminary treatment contaminated soil, is sidewall with baffle plate 3, has ceiling 1, wherein: baffle plate 3 is vertically mounted on the wall on every side of prefabricated bed 4, high 1m, the iron plate material leaves the space between the described baffle plate 3, the reinforcing bar fence is arranged above it, connect ceiling 1, its effect is to prevent contaminated soil floating dust pollution surrounding environment, and the reinforcing bar fence plays reinforcement effect; 4 bodies of prefabricated bed are provided with passage 6---fancy boring, and spacing 0.21m, the aperture is 20mm; One breather pipe 5 is vertically mounted on the passage 6 of prefabricated bed 4; Described ceiling 1 is reinforcing bar and angle bar skeleton structure, and upper cover is semi-transparent glass steel tile material-structure, and high 2.5m plays rainproof effect; Other is provided with a plurality of sparge pipes 2 and (adopts the ordinary tap water pipe) on the angle bar skeleton, and each sparge pipe 2 horizontal different directions is installed a plurality of shower nozzles, so that spray water to the windrow all directions; Be provided with ventilating duct 8, high 0.5m, wide 0.4m, concrete material below the described prefabricated bed 4; Be impervious barrier 9 below ventilating duct 8, thick 100mm is xoncrete structure; Described mixing pit 13 is located at a side of prefabricated bed 4, the next door in input and output material ramp 10, is used for feeding intake, mixing, and xoncrete structure is with not polluted underground water and surrounding environment.
Describedly be located at a side of prefabricated 4 for storing water and supplying water that to use the cistern 11 that is connected with water pump 12 be steel plate materials, when needs water, the pumping source switch of fetching boiling water gets final product; In the both sides of described prefabricated bed 4, the angular direction is provided with input and output material ramp 10,5m is wide, domatic, and concrete material is to make things convenient for charging and discharging; Described breather pipe 5 circles, PVC material, diameter 10cm, be covered with pore (interval 0.1m, the aperture is 10mm) all around, breather pipe 5 bodys are wrapped with nylon yarn, both can not stop up pore by contaminated soil again, guarantee windrow exhaust and oxygen supply to the defeated blowing air of different directions windrow; A lattice door 14 is installed, diagonal setting, processed contaminated soil windrow 15 in the two side of described prefabricated bed 4.
The utility model using method is as follows:
Be placed in the mixing pit excavating the polluted soil that comes out, add 2～5% fertilizers according to described preliminary treatment contaminated soil volume ratio, 1～5% solid fungicide, 14～25% water, regulate pH value to 6～8, mix, be transported on the prefabricated bed 4 through input and output material ramp 10 again, and be uniformly dispersed and pile the strip windrow, the alternate space of leaving, plug-in mounting breather pipe 5 is on passage 6 simultaneously, with 15 gravity-flow ventilations of contaminated soil windrow and exhaust, (general temperature more than 15 ℃) carries out composting and handles under natural temperature, and (that is: when soil mineral oil in fluid content＜500mg/kg) is transported the original place back or changed and do other purposes when pollutant levels reach discharge standard.
Described fertilizer adopts the fertile factory of Liaohe Oil Field organic granular, and (address: Panjin City dawn street) the powder or granule dried poultrymanure of Sheng Chaning, by weight percentage, its composition is an organic matter 39.3%, N1.82%, P
2O
55.69%, K
2O2.62%;
Described solid fungicide is specially: Mucor described in the fungi (Mucor sp.) 1 strain is high mucor mucedo (Mucormucedo (L.) Fres.); Described mould (Penicillium sp.) 1 strain is penicillium chrysogenum (Peniciliiumchrysogenum Thom); Described aspergillus (Aspergillus sp.) 1 strain is brown aspergillus (Aspergillusochraceus Wilhelm); Described wood mould (Trichoderma sp.) 1 strain is Trichoderma viride (Trichodermaviride Pers.ex Fr.); Described white-rot fungi (White rot fungi) 2 strains are Phanerochaete chrysosporium (Phanerochaete Chrysosporium) and Coriolus (Cviolus versicolor), described bacterial classification is by buying or pick up from the strong dominant bacteria of degradation capability in thin oil, high oil, special viscous crude, the viscous crude with fixed attention, it is got 1 strain in the described kind successively respectively, cultivate, shake that bottle is cultivated, solid culture gets monoculture through the inclined-plane, every kind of monoculture equal-volume is mixed make.
Handling organic polluted soil, is a biodegradable process, adopts the utility model to handle contaminated soil, and good biodegradation condition can be provided, as: oxygen, nutrients etc. generally can guarantee the temperature that growth of microorganism is bred except that the winter of cold; Gravity-flow ventilation and exhaust can be guaranteed with airway 8, breather pipe 5 and passage 6, the needs of aerobic microbiological can be satisfied oxygen.When pollutant levels during at 20g/kg～100g/kg, the high more degradation speed of pollutant levels is fast more for oil-polluted soils, and effect is obvious more.When soil PetroChina Company Limited. pollutant levels＞100g/kg, adopt the method to handle again after can handling petroleum recovery, during oil pollution substrate concentration＜10g/kg, can adopt in-situ treatment method.
Present embodiment has dug the contaminated soil around near ground crude oil the dawn oil recovery factory oil well and the oil well, and described crude oil type is a thin oil, and its density is 0.90～0.94g.cm
-3Colloid+bitumen content is 22.0%, cured content 10.8%, viscosity is 93.28mPa.s (50 ℃), truck transport is in the utility model facility, put into 13 li of mixing pits, add fertilizer 216kg (3.5%) by 6.2 tons of part by weight of described preliminary treatment contaminated soil, solid fungicide is pressed 123kg (2%), be deposited in after stirring on the prefabricated bed 4, in prefabricated bed 4 upper berth one deck reeds, windrow piled the strip of long 8m, wide 2m, high 0.35m before windrow was placed, and the vertical passage 6 of windrow midfeather 0.5m2 inserts breather pipe 5.Regulate pH and moisture in the processing procedure, be controlled at 7.6 and 14.4% respectively.The physicochemical property of mixing the back windrow sees Table 1.
The physicochemical property of table 1 embodiment 1 windrow
The organic total petroleum hydrocarbon of water content K-N TP TK
Windrow
*PH C: N
％ ％ ％ ％ ％ g/kg
A 14.4 0.31 0.24 0.83 12.10 7.6 55.0 23∶1
*Windrow A: the thin oil contaminated soil of dawn oil recovery factory;
Can drop to 24.5g/kg from 55.0g/kg through thin oil content in nearly 2 months processing contaminated soil, clearance can reach 55.45%.The variation of processing procedure petroleum hydrocarbon content and degradation rate sees Table 2.
The treatment effect of table 2 embodiment 1 windrow
Time total petroleum hydrocarbon degradation rate
(my god) g/kg %
0 55.0 0.00
10 44.5 19.09
18 33.3 39.45
26 27.5 50.00
53 24.5 55.45
Correlation ratio as a rule
With φ 15 * 20cm pottery pot, every basin adds oil-polluted soils 4kg (genus condensed oil polluted soil), places under outdoor natural conditions, and through 20 days, the petroleum hydrocarbon total amount dropped to 18.5g/kg from 21.4g/kg, and degradation rate is 13.55%; Through 60 days, the petroleum hydrocarbon total amount dropped to 16.6g/kg from 21.4g/kg, and degradation rate is 22.43%.
Claims (6)
1. contaminated soil heterotopic biological prosthetic device, it is characterized in that: mainly comprise baffle plate (3), prefabricated bed (4), breather pipe (5), passage (6), ventilating duct (8), impervious barrier (9), cistern (11), mixing pit (13), described prefabricated bed (4) is used to stack the preliminary treatment contaminated soil, be sidewall, have a ceiling (1) with baffle plate (3), its body is provided with passage (6), and breather pipe (5) is vertically mounted on the passage (6) of prefabricated bed (4); Described ceiling (1) locates to be provided with a plurality of sparge pipes (2), and each sparge pipe (2) is installed a plurality of shower nozzles; Being provided with ventilating duct (8) below the described prefabricated bed (4), is impervious barrier (9) below ventilating duct (8); Described mixing pit (13) is located at a side of prefabricated bed (4).
2. according to the described contaminated soil heterotopic biological prosthetic device of claim 1, it is characterized in that: the described cistern (11) that supplies storage water to use, be connected with water pump (12) is located at a side of prefabricated bed (4).
3. according to the described contaminated soil heterotopic biological prosthetic device of claim 1, it is characterized in that: the both sides at described prefabricated bed (4) are provided with domatic input and output material ramp (10).
4. according to the described contaminated soil heterotopic biological prosthetic device of claim 1, it is characterized in that: described breather pipe (5) is covered with pore all around, and breather pipe (5) body is wrapped with nylon yarn.
5. according to the described contaminated soil heterotopic biological prosthetic device of claim 1, it is characterized in that: described baffle plate leaves the space between (3).
6. according to the described contaminated soil heterotopic biological prosthetic device of claim 1, it is characterized in that: on the sidewall of described prefabricated bed (4) lattice door (14) is installed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02210909 CN2530740Y (en) | 2002-03-29 | 2002-03-29 | Contaminated soil heterotopic biological repair system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02210909 CN2530740Y (en) | 2002-03-29 | 2002-03-29 | Contaminated soil heterotopic biological repair system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2530740Y true CN2530740Y (en) | 2003-01-15 |
Family
ID=33690948
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02210909 Expired - Fee Related CN2530740Y (en) | 2002-03-29 | 2002-03-29 | Contaminated soil heterotopic biological repair system |
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| Country | Link |
|---|---|
| CN (1) | CN2530740Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102625734A (en) * | 2009-07-29 | 2012-08-01 | 泰拉热能公司 | Method and system for treating contaminated materials |
| CN104624638A (en) * | 2015-01-28 | 2015-05-20 | 中国长江三峡集团公司 | Ectopic microbial remediation system and remediation method for petroleum-polluted soil |
-
2002
- 2002-03-29 CN CN 02210909 patent/CN2530740Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102625734A (en) * | 2009-07-29 | 2012-08-01 | 泰拉热能公司 | Method and system for treating contaminated materials |
| CN104624638A (en) * | 2015-01-28 | 2015-05-20 | 中国长江三峡集团公司 | Ectopic microbial remediation system and remediation method for petroleum-polluted soil |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |