CN104492807A - Microbial remediation equipment for treating petroleum-contaminated soil and remediation method of microbial remediation equipment - Google Patents
Microbial remediation equipment for treating petroleum-contaminated soil and remediation method of microbial remediation equipment Download PDFInfo
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Abstract
The invention provides microbial remediation equipment for treating petroleum-contaminated soil and a remediation method of the microbial remediation equipment. The microbial remediation equipment comprises an equipment main box body and an equipment support frame welded at the bottom of the equipment main box body, wherein a mixing device is vertically arranged in the equipment main box body, and positioned at the center of the equipment main box body, a material guide cylinder is arranged between the equipment main box body and the mixing device, the guide cylinder is fixedly connected with the interior of the equipment main box body by virtue of a guide cylinder bracket, a plurality of material constant-temperature water circulating system water pipes are fixedly arranged at the inner wall of the equipment main box body, outlets/inlets of the material constant-temperature water circulating system water pipes are formed in the top wall of the equipment main box body, a charging hole is formed in the top of the equipment main box, a discharging hole is formed in the bottom of the equipment main box body, and the charging hole and the discharging hole are respectively communicated with the material guide cylinder. According to the microbial remediation equipment, the remediation efficiency is shortened, the remediation efficiency is improved, and the consumption of a microbial agent and nutrient elements is reduced.
Description
Technical field
The invention belongs to petroleum pollution and prosthetic appliance technical field, relating to a kind of microorganism remediation equipment for administering oil-polluted soils, the invention still further relates to the restorative procedure of mentioned microorganism prosthetic appliance.
Background technology
Oil is a kind of very complicated multicomponent uniform homogeneous blend, and the various products developed by it are widely used in the every field of mankind's daily life.Stone main body of oil has alkane, cycloalkane, aromatic hydrocarbon and pitch and colloid etc.Along with the increase at full speed of oil extraction and use amount, a large amount of oil and various product thereof enter soil, air and underground water as pollutant, bring serious harm to ecological environment and human health.
The hidden fraud of soil petroleum pollution is large, incubation period is grown, involve a wide range of knowledge, administer difficulty, and its harm shows especially day by day, has become the environmental problem that society can not be ignored.Along with fast development economic in recent years, the annual production of China's oil exploitation and processing increases gradually, inevitably in exploitation, processing, transport and storing process, there is oil leak, cause serious environmental pollution, and oil pollution is in building up the situation increased the weight of, become one of principal mode of China's soil resource destruction, therefore needed badly and research and develop applicable efficient petroleum-contaminated soil repairing and treating technology.
Oil-polluted soils repairing and treating method can be divided into Physical, chemical method and bioanalysis three kinds, and they respectively have pluses and minuses.Wherein, bioremediation technology, especially microorganism remediation technology possess that disposal cost is low, non-secondary pollution and can the advantage of in-situ treatment, be considered to administer the recovery technique with broad prospect of application for petroleum-contaminated soil.Microorganism remediation refers to and utilizes functional microorganism group that is indigenous or selective cultivation, under control environment condition, promotes or enhancement microbiological metabolic function, thus reaches the bioremediation technology reducing toxic pollutant activity or be degraded into innocuous substance.Microbial method sphere of action is extensive, both can process crude oil pollution, and also can process the pollution of the petroleum distillate such as gasoline, diesel oil; Both cycloalkane and aliphatic hydrocarbon can be processed, also can degrading benzene thing and polycyclic aromatic hydrocarbons (PAH), ethers, chloralkane, creosote etc. can also be processed.The core of microorganism remediation technology has efficient degradation bacteria strains, people have carried out a large amount of research work around the screening of high efficient strain under varying environment condition, the optimization of degradation condition, and obtain significant achievement, promote the development of microorganism remediation technology further.
Summary of the invention
For the problems referred to above, the invention provides a kind ofly provides suitable degraded environment for oil degradation microorganism, can microorganism remediation equipment and the restorative procedure thereof for administering oil-polluted soils of oil in the wipe oil soil of stability and high efficiency.
For achieving the above object, the present invention by the following technical solutions, for administering the microorganism remediation equipment of oil-polluted soils, comprise equipment main box and be welded in the equipment support bottom equipment main box, vertically agitating device is provided with in described equipment main box, this agitating device is positioned at the middle position of equipment main box, material diversion cylinder is provided with between described equipment main box and agitating device, described guide shell is fixedly connected with by the inside of guide shell support with equipment main box, the inwall of described equipment main box is fixed with many material thermostatted water circulatory system water pipes, the gateway of described material thermostatted water circulatory system water pipe is positioned on the roof of equipment main box, the top of described equipment main box is provided with feeding mouth, the bottom of equipment main box is provided with discharging opening, described feeding mouth and discharging opening respectively with the conducting of material diversion cylinder.
Described agitating device comprises shaft, be fixedly connected on the stirring rotating vane on shaft, drive the motor that shaft rotates, the two ends up and down of described shaft are fixed on the top of equipment main box and the middle position of bottom respectively by bearing, and described motor is connected by shaft coupling with the lower end of shaft.
Described feeding mouth is inverted trapezoidal, and the top of described feeding mouth is provided with suitable for reading, and the bottom of described feeding mouth is provided with end opening;
Described discharging opening is strip metal trough, described discharging opening has transverse-plug type plate.
Described equipment main box is the hollow stainless steel cylinder vertically arranged, and in inverted trapezoidal bottom described equipment main box.
Described material thermostatted water circulatory system water pipe is stainless-steel pipe; Described material thermostatted water circulatory system water pipe is welded on the inwall of described equipment main box in coiling rugosity; The gateway of described material thermostatted water circulatory system water pipe is provided with valve.
Described material diversion cylinder is the cylindrical tube be made up of stainless steel, and the top and bottom of described material diversion cylinder are respectively arranged with suitable for reading, end opening;
The distance equipment main box top 300mm suitable for reading of described material diversion cylinder, the bottom of described material diversion cylinder is concordant with the inclined-plane place in inverted trapezoidal bottom described equipment main box.
Described equipment support is made up of the stainless-steel pipe of 4 uniform weldings bottom equipment main box.
For administering the restorative procedure of the microorganism remediation equipment of oil-polluted soils, specifically implement according to following steps:
Step 1, checks microorganism remediation equipment running status, determines that running status enters next step after normal:
Open motor idle running 50s ~ 70s, determine that motor rotation is steady;
Open the thermostatted water circulatory system, observe hot water flowing in material thermostatted water circulatory system water pipe stable, tight without the flapper closure of water leakage situation, valve seal, discharging opening;
After every inspection is no problem, enter next step;
Step 2, gather oil pollution petroleum-contaminated soil and measure oil content, separately get untainted soil, the petroleum-contaminated soil of collection and uncontaminated soil mixed in proportion, obtain the pending petroleum-contaminated soil that oil content is 8% ~ 12%;
Step 3, pours the pending petroleum-contaminated soil obtained through step 2 in the microorganism remediation equipment of the normal operation after step 1 checks, the charge weight of pending petroleum-contaminated soil is distance guide shell upper limb 90mm ~ 110mm;
Step 4, install after pending petroleum-contaminated soil through step 3, starter motor, agitating device is started working, and pending petroleum-contaminated soil is moved in equipment main box, carries out homogeneous process;
In the pending petroleum-contaminated soil after homogeneous process process, add microbial bacterial agent, microbial bacterial agent adds standard and is: make thalline quantity in every gram of petroleum-contaminated soil reach 10
7individual;
Add the nutrient solution prepared in advance, the addition of nutrient solution is 8L ~ 10L;
Add appropriate water, keep the moisture content of pending petroleum-contaminated soil to be 45% ~ 50%;
Judge whether to open the material thermostatted water circulatory system:
If temperature of charge is lower than 15 DEG C, open material constant temperature system, allow hot water at material thermostatted water circulatory system water Bottomhole pressure, hot water temperature controls at 45 DEG C ~ 60 DEG C;
If temperature of charge is more than 20 DEG C, then close material constant temperature system, stop adding vulcanizing temperature;
Step 5, detected once the content of pending petroleum-contaminated soil PetroChina Company Limited. pollutant every 2 days ~ 3 days, processing procedure continues 55 days ~ 65 days;
Step 6, through step 1 ~ step 5, repair process terminates, and extract the plate of discharge outlet out, open motor, motor constantly stirs as cooperation simultaneously, and the soil after reparation is all discharged by discharging opening, completes reparation.
Nutrient solution in described step 4 is mixed according to the ratio of 1:1 by ammonium chloride solution and potassium dihydrogen phosphate, and wherein the mass percent concentration of ammonium chloride solution is 2% ~ 4%, and the mass percent concentration of potassium dihydrogen phosphate is 1% ~ 2%.
The present invention adopts above-mentioned purpose, has the following advantages: (1) microorganism remediation of the present invention equipment solves long processing period that existing microbial technique and relevant device exist when carrying out petroleum-contaminated soil and repairing, it is large to be affected by the external environment, cost of labor is high, by season and weather effect obviously and the problem such as removal effect is not good.
(2) adopt microorganism remediation equipment of the present invention, can at relatively low ambient temperatures with dry season or rainy season impregnable normal reparation petroleum-contaminated soil, and can repair time be shortened, improve remediation efficiency, reduce the use amount of microbial bacterial agent and nutrient.
(3) microorganism remediation equipment of the present invention is applicable to the rapidly and efficiently in-situ immobilization of all kinds of petroleum-contaminated soil.
Accompanying drawing explanation
Fig. 1 is the microorganism remediation device structure schematic diagram for administering oil-polluted soils;
Fig. 2 overlooks lower material thermostatted water circulatory system water pipe distribution map in microorganism remediation equipment of the present invention;
Fig. 3 is the feeding mouth structural representation of microorganism remediation equipment of the present invention.
In figure, 1. feeding mouth, 2. gateway, 3. shaft, 4. material thermostatted water circulatory system water pipe, 5. material diversion cylinder, 6. equipment main box, 7. agitating auger blade, 8. guide shell support, 9. material movement direction, 10. discharging opening, 11. motors, 12. stainless-steel pipes.
Detailed description of the invention
Embodiment is described in detail microorganism remediation equipment and restorative procedure thereof for administering oil-polluted soils further below.
Embodiment 1
The microorganism remediation equipment for administering oil-polluted soils as shown in Figure 1, the equipment support comprising equipment main box 6 and be welded in bottom equipment main box 6, vertically agitating device is provided with in described equipment main box 6, this agitating device is positioned at the middle position of equipment main box 6, the upper end of agitating device is connected with equipment main box 6 roof, the lower end of agitating device is connected with bottom equipment main box 6, material diversion cylinder 5 is provided with between described equipment main box 6 and agitating device, guide shell 5 is as described in Figure 2 fixedly connected with by the inside of guide shell support 8 with equipment main box 6, the inwall of described equipment main box 6 is fixed with many material thermostatted water circulatory system water pipes 4, the gateway 2 of described material thermostatted water circulatory system water pipe 4 is positioned on the roof of equipment main box 6, the top of described equipment main box 6 is provided with feeding mouth 6, the bottom of equipment main box 6 is provided with discharging opening 10, described feeding mouth 1 and discharging opening 10 respectively with material diversion cylinder 5 conducting, in the process of work, toward material diversion cylinder 5, the material such as petroleum-contaminated soil and untainted soil of oil pollution is always added from feeding mouth 1, agitating device is started working, pending petroleum-contaminated soil is moved in equipment main box 6, carries out homogeneous process, play homogenizing effect, warm water is passed in material thermostatted water circulatory system water pipe 4, for the material in material diversion cylinder 5 provides an environment being beneficial to growth of microorganism, after having repaired, the soil after reparation is all discharged by discharging opening 10.
Embodiment 2
Described agitating device comprises shaft 3, be fixedly connected on the stirring rotating vane 7 on shaft 3, drive the motor 11 that shaft 3 rotates, the two ends up and down of described shaft 3 are fixed on the top of equipment main box 6 and the middle position of bottom respectively by bearing, described motor 11 and shaft 3) lower end is connected by shaft coupling; Wherein, agitating auger blade 7 is distributed as clockwise, and diameter is 645mm; When opening agitating device, motor 11 drives shaft 3 high-speed motion, and the material in stirring rotating vane 7 pairs of material diversion buckets 5 fixing on shaft 3 stirs, and makes the material in material diversion bucket 5 even.
Embodiment 3
Feeding mouth 1 is as shown in Figure 3 in inverted trapezoidal, and the top of feeding mouth 1 is provided with suitable for reading, and the bottom of feeding mouth 1 is provided with end opening; The suitable for reading of feeding mouth 1 is of a size of: 400mm × 400mm, and the bottom size of feeding mouth 1 is: 200mm × 200mm; The height of feeding mouth 1 is 270mm.
Discharging opening 10 is strip metal trough, long 300mm, wide 200mm; Supportingly on discharging opening 10 be provided with transverse-plug type plate, for closed discharging opening 10, when needing discharging, only need extract plate out.Feeding mouth 1 adopts inverted trapezoidal shape, facilitates material to fill, and material also can not be made in the process of fill material to omit or be spread across outside equipment; Discharging opening 10 adopts strip metal trough, material after convenient reparation can be discharged fast from equipment, discharging opening 10 is provided with the transverse-plug type plate for closed discharging opening 10 simultaneously, this transverse-plug type plate is when equipment work, be inserted into bottom discharging opening 10, prevent in the process of work, material can be discharged from discharging opening 10.
Embodiment 4
Equipment main box 6 is the hollow stainless steel cylinder vertically arranged, and what making apparatus main box 6 adopted is 304 stainless steels; In inverted trapezoidal bottom equipment main box 6, the cross-sectional diameter of equipment main box 6 roof is 1100mm, and the roof of equipment main box 6 and the thickness of sidewall are 5mm ~ 10mm, and the thickness bottom equipment main box 6 is 20mm;
Material thermostatted water circulatory system water pipe 4 adopts internal diameter to be 304 stainless-steel pipes of 20mm, and the thickness of the tube wall of material thermostatted water circulatory system water pipe 4 is 2mm; Material thermostatted water circulatory system water pipe 4 is welded on the inwall of equipment main box 6 in coiling rugosity, forms high 800mm water pipe network system, hot water is circulated wherein.The upper end of material thermostatted water circulatory system water pipe 4 is provided with gateway, and gateway 2 place is provided with valve.
Material diversion cylinder 5 is the cylindrical tube be made up of 304 stainless steels, and the wall thickness of material diversion cylinder 5 is 5mm, and the top and bottom of material diversion cylinder 5 are respectively arranged with suitable for reading, end opening; The diameter of material diversion cylinder 5 is 650mm, the cylinder of material diversion cylinder 5 is high is 1200mm, the distance equipment main box 6 top 300mm suitable for reading of material diversion cylinder 5, the bottom of material diversion cylinder 5 is concordant with equipment main box 6 bottom bevel place, leaves very little gap between material diversion cylinder 5 and agitating auger blade 7.
The bottom vertical of equipment main box 6 is welded with equipment support, for fastening main box 6; Equipment support is made up of 4 stainless-steel pipes 12, and the diameter of stainless-steel pipe 12 is 50mm, and the length of stainless-steel pipe 12 is 1200mm.
Motor 11 is common alternating current generator, and power is: 2KW ~ 3KW, and voltage is: 380V.
The present invention, for administering the restorative procedure of the microorganism remediation equipment of oil-polluted soils, specifically implements according to following steps:
Step 1, inspection microorganism remediation equipment running status, determine that running status enters next step after normal:
Open motor 11 to dally 50s ~ 70s, determine motor 11 smooth running;
Open the thermostatted water circulatory system, observe hot water flowing in material thermostatted water circulatory system water pipe 4 stable, tight without the flapper closure of water leakage situation, valve seal, discharging opening 10;
After every inspection is no problem, enter next step;
Step 2, gather oil pollution petroleum-contaminated soil and measure oil content, separately get untainted soil, the petroleum-contaminated soil of collection and uncontaminated soil mixed in proportion, obtain the pending petroleum-contaminated soil that oil content is 8% ~ 12%;
Step 3, pours the pending petroleum-contaminated soil obtained through step 2 in the microorganism remediation equipment of the normal operation after step 1 checks, the charge weight of pending petroleum-contaminated soil is distance guide shell upper limb 90mm ~ 110mm;
Step 4, install after pending petroleum-contaminated soil through step 3, starter motor 11, agitating device is started working, and pending petroleum-contaminated soil is moved in equipment main box 6, carries out homogeneous process, play homogenizing effect;
In the pending petroleum-contaminated soil after homogeneous process process, add microbial bacterial agent, microbial bacterial agent adds standard and is: make thalline quantity in every gram of pending petroleum-contaminated soil reach 10
7individual;
Continue to add the nutrient solution prepared in advance in pending petroleum-contaminated soil, the addition of nutrient solution is 8L ~ 10L; Wherein nutrient solution is mixed according to the ratio of 1:1 by ammonium chloride solution and potassium dihydrogen phosphate, and wherein the mass percent concentration of ammonium chloride solution is 2% ~ 4%, and the mass percent concentration of potassium dihydrogen phosphate is 1% ~ 2%;
Add appropriate water, keep the moisture content of pending petroleum-contaminated soil to be 45% ~ 50%;
Judge whether to open the material thermostatted water circulatory system, for saving the energy, when in whole processing procedure, temperature of charge is lower than 15 DEG C, open material constant temperature system, allow hot water flow in material thermostatted water circulatory system water pipe 4, make up when ambient temperature is too low, be unfavorable for growth of microorganism, add material and vulcanize temperature, period hot water temperature controls at 45 DEG C ~ 60 DEG C; If temperature of charge is more than 20 DEG C in whole processing procedure, stop adding vulcanizing temperature;
Wherein, motor 11 stirs and is no less than 4 hours running time, other compositions that the material that as far as possible stirs is come in interpolation, in day-to-day operation process afterwards, only needs every day to run motor 1 hour.In whole processing procedure, when temperature of charge is lower than 15 DEG C, open the material thermostatted water circulatory system, hot water temperature controls at 45 DEG C ~ 60 DEG C, when temperature of charge then stops adding vulcanizing temperature more than 20 DEG C.
Step 5, detected once the content of pending petroleum-contaminated soil PetroChina Company Limited. pollutant every 2 days ~ 3 days, processing procedure continues 55 days ~ 65 days; After tested, the oil content of pending petroleum-contaminated soil can be reduced to 2.2%, and clearance reaches 80.7%.
Step 6, through step 1 ~ step 5, repair process terminates, and extracts the plate at discharging opening 10 place out, opens motor 11 simultaneously, and motor 11 constantly stirs as coordinating, and the soil after reparation is all discharged by discharging opening 10.
Embodiment 5
On the basis of embodiment 4, described microbial bacterial agent adopts Chinese patent application publication No. CN102794296A, a kind of complex microbial inoculum repairing Loess Tableland oil-polluted soils provided, particularly the microorganism main body of this composite bacteria agent capable comprises: pseudomonas aeruginosa (Pseudomonas aeruginosa), yellowish-brown pseudomonad (Pseudomonas fulva), the luxuriant and rich with fragrance acinetobacter calcoaceticus (Acinetobacter lwoffii) in Shandong, yellow class Nocard's bacillus (Nocardioides luteus) and yellowish green streptomycete (Streptomyces flavoviridis), pseudomonas aeruginosa, yellowish-brown pseudomonad, the luxuriant and rich with fragrance acinetobacter calcoaceticus in Shandong, the mixed weight percentage of yellow class Nocard's bacillus and yellowish green streptomycete is 2-5:0.5-2:0.5-1.5:1-3:1.5-3.6.
More than exemplifying is only illustrate of the present invention, does not form the restriction to protection scope of the present invention, everyly all belongs within protection scope of the present invention with the same or analogous design of the present invention.
Claims (9)
1. for administering the microorganism remediation equipment of oil-polluted soils, comprise equipment main box (6) and be welded in the equipment support bottom equipment main box (6), it is characterized in that, vertically agitating device is provided with in described equipment main box (6), this agitating device is positioned at the middle position of equipment main box (6), material diversion cylinder (5) is provided with between described equipment main box (6) and agitating device, described guide shell (5) is fixedly connected with by the inside of guide shell support (8) with equipment main box (6), the inwall of described equipment main box (6) is fixed with many material thermostatted water circulatory systems water pipe (4), the gateway (2) of described material thermostatted water circulatory system water pipe (4) is positioned on the roof of equipment main box (6), the top of described equipment main box (6) is provided with feeding mouth (1), the bottom of equipment main box (6) is provided with discharging opening (10), described feeding mouth (1) and discharging opening (10) respectively with material diversion cylinder (5) conducting.
2. the microorganism remediation equipment for administering oil-polluted soils according to claim 1, it is characterized in that, described agitating device comprises shaft (3), be fixedly connected on the stirring rotating vane (7) on shaft (3), drive the motor (11) that shaft (3) rotates, the two ends up and down of described shaft (3) are fixed on the top of equipment main box (6) and the middle position of bottom respectively by bearing, and described motor (11) is connected by shaft coupling with the lower end of shaft (3).
3. the microorganism remediation equipment for administering oil-polluted soils according to claim 1, is characterized in that, described feeding mouth (1) is in inverted trapezoidal, and the top of described feeding mouth (1) is provided with suitable for reading, and the bottom of described feeding mouth (1) is provided with end opening;
Described discharging opening (10) is strip metal trough, and (10) have transverse-plug type plate to described discharging opening.
4. the microorganism remediation equipment for administering oil-polluted soils according to claim 1, is characterized in that, described equipment main box (6) is the hollow stainless steel cylinder vertically arranged, and described equipment main box (6) bottom is in inverted trapezoidal.
5. the microorganism remediation equipment for administering oil-polluted soils according to claim 1, is characterized in that, described material thermostatted water circulatory system water pipe (4) is stainless-steel pipe; Described material thermostatted water circulatory system water pipe (4) is welded on the inwall of described equipment main box (6) in coiling rugosity; The gateway (2) of described material thermostatted water circulatory system water pipe (4) is provided with valve.
6. the microorganism remediation equipment for administering oil-polluted soils according to claim 4, it is characterized in that, described material diversion cylinder (5) is the cylindrical tube be made up of stainless steel, and the top and bottom of described material diversion cylinder (5) are respectively arranged with suitable for reading, end opening;
Distance equipment main box (6) the top 300mm suitable for reading of described material diversion cylinder (5), the bottom of described material diversion cylinder (5) is concordant with the inclined-plane place of described equipment main box (6) bottom in inverted trapezoidal.
7. the microorganism remediation equipment for administering oil-polluted soils according to claim 1, is characterized in that, described equipment support is made up of the stainless-steel pipe (12) of 4 uniform weldings in equipment main box (6) bottom.
8. the restorative procedure of the microorganism remediation equipment for administering oil-polluted soils according to any one claim of claim 1-7, is characterized in that, specifically implement according to following steps:
Step 1, checks microorganism remediation equipment running status, determines that running status enters next step after normal:
Open motor (11) idle running 50s ~ 70s, determine motor (11) smooth running;
Open the thermostatted water circulatory system, observe the flowing of material thermostatted water circulatory system water pipe (4) interior hot water stable, tight without the flapper closure of water leakage situation, valve seal, discharging opening (10);
After every inspection is no problem, enter next step;
Step 2, gather oil pollution petroleum-contaminated soil and measure oil content, separately get untainted soil, the petroleum-contaminated soil of collection and uncontaminated soil mixed in proportion, obtain the pending petroleum-contaminated soil that oil content is 8% ~ 12%;
Step 3, pours the pending petroleum-contaminated soil obtained through step 2 in the microorganism remediation equipment of the normal operation after step 1 checks, the charge weight of pending petroleum-contaminated soil is distance guide shell upper limb 90mm ~ 110mm;
Step 4, install after pending petroleum-contaminated soil through step 3, starter motor (11), agitating device is started working, and makes the motion in equipment main box (6) of pending petroleum-contaminated soil, carries out homogeneous process;
In the pending petroleum-contaminated soil after homogeneous process process, add microbial bacterial agent, microbial bacterial agent adds standard and is: make thalline quantity in every gram of petroleum-contaminated soil reach 10
7individual;
Add the nutrient solution prepared in advance, the addition of nutrient solution is 8L ~ 10L;
Add appropriate water, keep the moisture content of pending petroleum-contaminated soil to be 45% ~ 50%;
Judge whether to open the material thermostatted water circulatory system:
If temperature of charge is lower than 15 DEG C, open material constant temperature system, allow hot water flow in material thermostatted water circulatory system water pipe (4), hot water temperature controls at 45 DEG C ~ 60 DEG C;
If temperature of charge is more than 20 DEG C, then close material constant temperature system, stop adding vulcanizing temperature;
Step 5, detected once the content of pending petroleum-contaminated soil PetroChina Company Limited. pollutant every 2 days ~ 3 days, processing procedure continues 55 days ~ 65 days;
Step 6, through step 1 ~ step 5, repair process terminates, and extracts the plate at discharging opening (10) place out, opens motor (11) simultaneously, and motor (11) constantly stirs as coordinating, and the soil after reparation is all discharged by discharging opening (10), completes reparation.
9. the restorative procedure of the microorganism remediation equipment for administering oil-polluted soils according to claim 8, it is characterized in that, nutrient solution in described step 4 is mixed according to the ratio of 1:1 by ammonium chloride solution and potassium dihydrogen phosphate, wherein the mass percent concentration of ammonium chloride solution is 2% ~ 4%, and the mass percent concentration of potassium dihydrogen phosphate is 1% ~ 2%.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107639111A (en) * | 2016-01-14 | 2018-01-30 | 项敬来 | A kind of restorative procedure of soil |
| CN109078982A (en) * | 2018-09-10 | 2018-12-25 | 西安文理学院 | It is a kind of for administering the microorganism remediation equipment of oil-polluted soils |
| CN111375628A (en) * | 2020-03-26 | 2020-07-07 | 山东碧泉环境工程技术有限公司 | Microbial remediation system and method for petroleum-polluted soil and water body |
| CN111495965A (en) * | 2020-05-27 | 2020-08-07 | 周红如 | Microbial remediation equipment and method for treating petroleum-polluted soil |
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