CN110153178A - A kind of processing unit using microorganism remediation oil-polluted soils - Google Patents

A kind of processing unit using microorganism remediation oil-polluted soils Download PDF

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Publication number
CN110153178A
CN110153178A CN201910580826.2A CN201910580826A CN110153178A CN 110153178 A CN110153178 A CN 110153178A CN 201910580826 A CN201910580826 A CN 201910580826A CN 110153178 A CN110153178 A CN 110153178A
Authority
CN
China
Prior art keywords
agitating shaft
blending tank
motor
oil
processing unit
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.)
Pending
Application number
CN201910580826.2A
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Chinese (zh)
Inventor
周毅
杨萍
谢建坤
张帆涛
罗向东
陈雅玲
章佳
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jiangxi Normal University
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Jiangxi Normal University
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Jiangxi Normal University filed Critical Jiangxi Normal University
Priority to CN201910580826.2A priority Critical patent/CN110153178A/en
Publication of CN110153178A publication Critical patent/CN110153178A/en
Pending legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B09DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
    • B09CRECLAMATION OF CONTAMINATED SOIL
    • B09C1/00Reclamation of contaminated soil
    • B09C1/10Reclamation of contaminated soil microbiologically, biologically or by using enzymes

Abstract

The invention discloses a kind of processing units using microorganism remediation oil-polluted soils, including pedestal and blending tank, the top of blending tank is equipped with first motor, the first belt pulley is socketed on the output shaft of first motor, the top of blending tank, which is run through, is equipped with main agitating shaft, the top of main agitating shaft is successively socketed with the second belt pulley and driving gear from top to bottom, the lower end of main agitating shaft extends on the inside of blending tank and is fixedly connected with several main paddles, the side of main agitating shaft is equipped with secondary agitating shaft, secondary agitating shaft is hollow structure, the upper end of secondary agitating shaft is socketed with driven gear, the surface of secondary agitating shaft offers several fluid holes, the two sides of fluid hole are fixedly connected to several secondary paddles, the front end of pedestal is equipped with spiral conveying mechanism, by feed belt, by treated, soil is sent to discharge outlet to the present invention, after handling Soil import in the gully that breaks of breaks ground, to improve the metabolic capability and survival probability of microorganism, it is ensured that treatment effect.

Description

A kind of processing unit using microorganism remediation oil-polluted soils
Technical field
The present invention relates to environmental protection treatment technical field, specially a kind of processing using microorganism remediation oil-polluted soils Device.
Background technique
With the fast development of global industry process, the demand of petroleum-type product is also being constantly increasing.Petroleum and Petroleum-type product inevitably has a certain amount of petroleum and product enters in soil durings exploitation, production, transport etc., To pollute.The adhesion of petroleum is very strong, can have an impact to some physicochemical properties of soil, can also hinder root system of plant Breathing and the absorption to nutriment, have seriously endangered the growth of plant.Crude oil is easy to make in processing, use and transportational process At spilling or leakage accident, petroleum is caused to enter the environmental pollution for causing soil in the environment such as soil.Petroleum is by a variety of hydro carbons With the complex mixture of a small amount of non-hydrocarbon compound composition, it is difficult to be degraded in soil environment.Processing oil pollution both at home and abroad Method mainly has physics, chemistry, a biological three classes method, and that there are processing costs is high for physics, chemical method, processing is halfway asks Topic, and repairing method of microorganism is widely studied because of its economical and effective, the advantages that without secondary pollution.Traditional microbiological treatment In oil-polluted soils method, be mostly based on from the oil degradation bacteria screened in oil-polluted soils, using wheat bran and Turf is the nutrient source and carrier of solid state rheology, solid-state microorganism microbial inoculum is simply mixed and made into, then by solid-state microorganism bacterium Agent is directly rough to be put into polluted soil, using the growth metabolism of microorganism by pollutant removal, the disadvantages are as follows: Solid-state microorganism microbial inoculum is directly thrown into polluted soil can be because the buffer action of soil makes the metabolic energy of microorganism entirety Power decline, would have to the dosage for being further added by microbial bacterial agent.
Existing soil restoring technology is mostly manual operation mechanical prosthesis, need to improve, spend human and material resources for a long time, because This, is gradually developed by way of microbiological treatment soil, however most of microorganism is in the states such as sunshine is exceeded, rainwater is insufficient Under can not survive for a long time, influence treatment effect.
Summary of the invention
The technical problem to be solved by the present invention is to overcome the existing defects, provides a kind of utilization microorganism remediation oil pollution The processing unit of soil can effectively solve the problems in background technique.
To achieve the above object, the invention provides the following technical scheme: a kind of utilize microorganism remediation oil-polluted soils Processing unit, including pedestal and blending tank, the blending tank is set to the base top center, sets at the top of the blending tank There is first motor, the first belt pulley is socketed on the output shaft of the first motor, the top of the blending tank, which is run through, is equipped with master Agitating shaft, the top of the main agitating shaft are successively socketed with the second belt pulley and driving gear, the main agitating shaft from top to bottom Lower end extend on the inside of the blending tank and be fixedly connected with several main paddles, second belt pulley and described first Belt pulley socket is by same belt, and the side of the main agitating shaft is equipped with secondary agitating shaft, and the pair agitating shaft is hollow structure, institute The upper end for stating secondary agitating shaft is socketed with driven gear, and the driven gear engages connection, the secondary stirring with the driving gear The surface of axis offers several fluid holes, and the two sides of the fluid hole are fixedly connected to several secondary paddles, the bottom The front end of seat is equipped with spiral conveying mechanism, and one lateral roof of spiral conveying mechanism and the side upper wall of the blending tank are connected with Feed pipe, the lower end of the spiral conveying mechanism are connected with digging bucket, and the top of the pair agitating shaft is equipped with funnel, the leakage It is connected at the top of the bottom of bucket and the secondary agitating shaft, is connected with perfusion tube at the top of the funnel, the one of the blending tank Side is equipped with microbiological incubator, and the top of the microbiological incubator is equipped with suction pump, and the liquid feeding end of the suction pump is connected with Inlet tube, the lower end of the inlet tube extend to the inside bottom of the microbiological incubator, the outlet end of the suction pump with The lower end of the perfusion tube connects, and the blending tank is equipped with discharge nozzle far from a side bottom of the spiral conveying mechanism, described The lower end of discharge nozzle connects feeder pipe, and the lower section of the feeder pipe is equipped with transport mechanism, and the transport mechanism includes the second motor, Second motor is dual-axle motor, and two output shafts of second motor are mounted on driving wheel, under the driving wheel Side is equipped with the first driven wheel, first driven wheel and the driving wheel and is sequentially connected by belt, and the inner cavity of the pedestal is set There is the second driven wheel, feed belt is socketed between second driven wheel and first driven wheel, the feed belt One end is equipped with discharge port, and the bottom of the main agitating shaft is connected with hydraulically extensible by shaft coupling through the bottom of the blending tank Bar, the bottom of the hydraulic telescopic rod pass through the pedestal and are connected with breaks ground.
As a preferred technical solution of the present invention, the spiral conveying mechanism includes third motor, transport tube and spiral shell Rotary shaft, the screw shaft are set to inside the transport tube, and the output shaft of the third motor is connect with the screw shaft.
As a preferred technical solution of the present invention, the inside bottom of the blending tank is equipped with inclined stock guide, institute The bottom for stating stock guide is connect with the discharge nozzle.
As a preferred technical solution of the present invention, the discharge nozzle is equipped with solenoid valve.
As a preferred technical solution of the present invention, L bracket is fixedly connected on the outside of the funnel.
As a preferred technical solution of the present invention, the bottom of the blending tank is fixed with several supporting legs.
As a preferred technical solution of the present invention, the first motor, second motor and third motor are to watch Take motor.
As a preferred technical solution of the present invention, the bottom four corners of the pedestal are mounted on movable pulley.
Compared with prior art, the beneficial effects of the present invention are:
The present invention by setting blending tank, first motor, the first belt pulley, blending tank, main agitating shaft, the second belt pulley, Driving gear, main paddle, secondary agitating shaft, driven gear, fluid hole, secondary paddle, spiral conveying mechanism and feed pipe, first Motor drives main agitating shaft rotation by the first belt pulley, the second belt pulley and belt, and then drives main paddle rotation, and master stirs It mixes axis and then drives hydraulic telescopic rod rotation, hydraulic telescopic rod and then drive breaks ground to carry out brokenly pollution soil by shaft coupling It is broken, then broken soil is recycled by digging bucket, then soil is sent to blending tank via spiral conveying mechanism It is interior, while starting suction pump, suction pump is delivered to funnel by perfusion tube by the liquid that inlet tube will be enriched in microorganism, then leads to Funnel is crossed to be delivered in secondary agitating shaft, when main agitating shaft rotation when, and then drive driving gear rotation, driving gear by with from Moving gear engages and then drives secondary agitating shaft rotation, and then the liquid rich in microorganism passes through in the rotation process of secondary agitating shaft again Fluid hole is spilt into blending tank, and is sufficiently mixed with the soil of pollution, after mixing, opens solenoid valve, the mud that makes that treated Soil is sent by feeder pipe to feed belt, and the second motor is started, and the second motor is driven by belt and driving wheel drive first Wheel rotation, then driving feed belt by treated by the first driven wheel and the second driven wheel, soil is sent to discharge port Place, by treated, soil is imported in the gully that breaks ground is broken, to improve the metabolic capability and survival probability of microorganism, really Protect the treatment effect of microorganism.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention;
Fig. 2 is the structural schematic diagram of transport mechanism of the present invention;
Fig. 3 is enlarged structure schematic diagram at A of the present invention;
Fig. 4 be gear of the present invention and turntable drive mechanism schematic diagram;
Fig. 5 is the cross-sectional view of the first weight of the invention.
In figure: 1, pedestal;2, blending tank;3, first motor;4, the first belt pulley;5, stock guide;6, main agitating shaft;7, Two belt pulleys;8, driving gear;9, main paddle;10, secondary agitating shaft;11, driven gear;12, fluid hole;13, secondary paddle; 14, spiral conveying mechanism;15, feed pipe;16, digging bucket;17, funnel;18, perfusion tube;19, microbiological incubator;20, it takes out Sucking pump;21, inlet tube;22, discharge nozzle;23, feeder pipe;24, transport mechanism;25, the second motor;26, driving wheel;27, first Driven wheel;28, the second driven wheel;29, feed belt;30, discharge port;31, hydraulic telescopic rod;32, breaks ground;33, third electricity Machine;34, transport tube;35, screw shaft;36, L bracket.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other Embodiment shall fall within the protection scope of the present invention.
Fig. 1-5 is please referred to, the present invention provides a kind of technical solution: a kind of place using microorganism remediation oil-polluted soils Device, including pedestal 1 and blending tank 2 are managed, the blending tank 2 is set to 1 center of top of pedestal, the top of the blending tank 2 Equipped with first motor 3, the first belt pulley 4 is socketed on the output shaft of the first motor 3, the top of the blending tank 2 is run through Equipped with main agitating shaft 6, the top of the main agitating shaft 6 is successively socketed with the second belt pulley 7 and driving gear 8, institute from top to bottom The lower end for stating main agitating shaft 6 extends to 2 inside of blending tank and is fixedly connected with several main paddles 9, second skin Belt wheel 7 and first belt pulley 4 are socketed by same belt, and the side of the main agitating shaft 6 is equipped with secondary agitating shaft 10, the pair Agitating shaft 10 is hollow structure, and the upper end of the pair agitating shaft 10 is socketed with driven gear 11, the driven gear 11 with it is described The surface of the engagement connection of driving gear 8, the pair agitating shaft 10 offers several fluid holes 12, the two sides of the fluid hole 12 Several secondary paddles 13 are fixedly connected to, the front end of the pedestal 1 is equipped with spiral conveying mechanism 14, the screw conveyor The side upper wall of 14 1 lateral roof of structure and the blending tank 2 is connected with feed pipe 15, and the lower end of the spiral conveying mechanism 14 connects It is connected to digging bucket 16, the top of the pair agitating shaft 10 is equipped with funnel 17, the bottom of the funnel 17 and the secondary agitating shaft 10 top is connected, and the top of the funnel 17 is connected with perfusion tube 18, and the side of the blending tank 2 is equipped with microculture The top of case 19, the microbiological incubator 19 is equipped with suction pump 20, and the liquid feeding end of the suction pump 20 is connected with inlet tube 21, The lower end of the inlet tube 21 extends to the inside bottom of the microbiological incubator 19, the outlet end of the suction pump 20 and institute The lower end connection of perfusion tube 18 is stated, the blending tank 2 is equipped with discharge nozzle 22 far from a side bottom of the spiral conveying mechanism 14, The lower end of the discharge nozzle 22 connects feeder pipe 23, and the lower section of the feeder pipe 23 is equipped with transport mechanism 24, the transport mechanism 24 include the second motor 25, and second motor 25 is dual-axle motor, and two output shafts of second motor 25 are mounted on Driving wheel 26, the lower section of the driving wheel 26 are equipped with the first driven wheel 27, and first driven wheel 27 and the driving wheel 26 are logical Cross belt transmission connection, the inner cavity of the pedestal 1 is equipped with the second driven wheel 28, second driven wheel 28 and described first driven Feed belt 29 is socketed between wheel 27, one end of the feed belt 29 is equipped with discharge port 30, the bottom of the main agitating shaft 6 Hydraulic telescopic rod 31 is connected with by shaft coupling through the bottom of the blending tank 2, the bottom of the hydraulic telescopic rod 31 passes through The pedestal 1 is connected with breaks ground 32.
In the present embodiment, it is preferred that the spiral conveying mechanism 14 includes third motor 33, transport tube 34 and screw shaft 35, the screw shaft 35 is set to inside the transport tube 34, the output shaft of the third motor 33 and the screw shaft 35 Connection.
In the present embodiment, it is preferred that the inside bottom of the blending tank 2 is equipped with inclined stock guide 5, the stock guide 5 Bottom connect with the discharge nozzle 22.
In the present embodiment, it is preferred that the discharge nozzle 22 is equipped with solenoid valve.
In the present embodiment, it is preferred that the outside of the funnel 17 is fixedly connected with L bracket 36.
In the present embodiment, it is preferred that the bottom of the blending tank 2 is fixed with several supporting legs.
In the present embodiment, it is preferred that the first motor 3, second motor 25 and third motor 33 are servo motor.
In the present embodiment, it is preferred that the bottom four corners of the pedestal 1 are mounted on movable pulley.
The working principle of the invention and process for using: in use, starting first motor 3, first motor 3 pass through the first belt The 4, second belt pulley 7 of wheel and belt drive main agitating shaft 6 to rotate, and then main paddle 9 is driven to rotate, and main agitating shaft 6 is logical in turn Crossing shaft coupling drives hydraulic telescopic rod 31 to rotate, and hydraulic telescopic rod 31 drives 32 pairs of pollution soil of breaks ground to be crushed in turn, Then broken soil is recycled by digging bucket 16, then soil is sent to blending tank via spiral conveying mechanism 14 In 2, while starting suction pump 20, suction pump 20 is delivered to by the liquid that inlet tube 21 will be enriched in microorganism by perfusion tube 18 Funnel 17, then be delivered in secondary agitating shaft 10 by funnel 17, when the rotation of main agitating shaft 6, and then driving gear 8 is driven to revolve Turn, driving gear 8 drives secondary agitating shaft 10 to rotate and then engaging with driven gear 11, and then the liquid rich in microorganism exists It is spilt into blending tank 2 in the rotation process of secondary agitating shaft 10 by fluid hole 12, and is sufficiently mixed with the soil of pollution, mixed Bi Hou opens solenoid valve, and making that treated, soil is sent by feeder pipe 23 to feed belt 29, starts the second motor 25, the Two motors 25 drive the rotation of the first driven wheel 27 by belt and driving wheel 26, then driven by the first driven wheel 27 and second By treated, soil is sent at discharge port 30 28 drive feed belt 29 of wheel, and the soil of mixed microorganism after processing is imported In the gully that breaks ground 32 is broken, to improve the metabolic capability and survival probability of microorganism, it is ensured that the treatment effect of microorganism.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding And modification, the scope of the present invention is defined by the appended.

Claims (8)

1. a kind of processing unit using microorganism remediation oil-polluted soils, including pedestal (1) and blending tank (2), feature Be: the blending tank (2) is set to the pedestal (1) center of top, and the top of the blending tank (2) is equipped with first motor (3), It is socketed with the first belt pulley (4) on the output shaft of the first motor (3), the top of the blending tank (2), which is run through, is equipped with main stir It mixes axis (6), the top of the main agitating shaft (6) is successively socketed with the second belt pulley (7) and driving gear (8), institute from top to bottom The lower end for stating main agitating shaft (6) extends on the inside of the blending tank (2) and is fixedly connected with several main paddles (9), described Second belt pulley (7) and first belt pulley (4) are socketed by same belt, and the side of the main agitating shaft (6) is stirred equipped with pair It mixes axis (10), the pair agitating shaft (10) is hollow structure, and the upper end of the pair agitating shaft (10) is socketed with driven gear (11), The driven gear (11) engages connection with the driving gear (8), and the surface of the pair agitating shaft (10) offers several Fluid hole (12), the two sides of the fluid hole (12) are fixedly connected to several secondary paddles (13), before the pedestal (1) End is equipped with spiral conveying mechanism (14), the side upper wall of spiral conveying mechanism (14) one lateral roof and the blending tank (2) It is connected with feed pipe (15), the lower end of the spiral conveying mechanism (14) is connected with digging bucket (16), the pair agitating shaft (10) top is equipped with funnel (17), is connected at the top of the bottom of the funnel (17) and the secondary agitating shaft (10), described It is connected at the top of funnel (17) perfusion tube (18), the side of the blending tank (2) is equipped with microbiological incubator (19), described micro- The top of bio-incubator (19) is equipped with suction pump (20), and the liquid feeding end of the suction pump (20) is connected with inlet tube (21), institute The lower end for stating inlet tube (21) extends to the inside bottom of the microbiological incubator (19), the outlet end of the suction pump (20) It is connect with the lower end of the perfusion tube (18), the blending tank (2) sets far from a side bottom of the spiral conveying mechanism (14) Have discharge nozzle (22), the lower end of the discharge nozzle (22) connects feeder pipe (23), and the lower section of the feeder pipe (23) is equipped with transmission Mechanism (24), the transport mechanism (24) include the second motor (25), second motor (25) be dual-axle motor, described second Two output shafts of motor (25) are mounted on driving wheel (26), and the lower section of the driving wheel (26) is equipped with the first driven wheel (27), first driven wheel (27) and the driving wheel (26) are sequentially connected by belt, and the inner cavity of the pedestal (1) is equipped with Second driven wheel (28) is socketed with feed belt (29) between second driven wheel (28) and first driven wheel (27), One end of the feed belt (29) is equipped with discharge port (30), and the bottom of the main agitating shaft (6) is through the blending tank (2) Bottom is connected with hydraulic telescopic rod (31) by shaft coupling, and the bottom of the hydraulic telescopic rod (31) connects across the pedestal (1) It is connected to breaks ground (32).
2. a kind of processing unit using microorganism remediation oil-polluted soils according to claim 1, it is characterised in that: institute Stating spiral conveying mechanism (14) includes third motor (33), transport tube (34) and screw shaft (35), the screw shaft (35) Internal set on the transport tube (34), the output shaft of the third motor (33) is connect with the screw shaft (35).
3. a kind of processing unit using microorganism remediation oil-polluted soils according to claim 1, it is characterised in that: institute The inside bottom for stating blending tank (2) is equipped with inclined stock guide (5), the bottom and the discharge nozzle (22) of the stock guide (5) Connection.
4. a kind of processing unit using microorganism remediation oil-polluted soils according to claim 1, it is characterised in that: institute Discharge nozzle (22) are stated equipped with solenoid valve.
5. a kind of processing unit using microorganism remediation oil-polluted soils according to claim 1, it is characterised in that: institute It states and is fixedly connected with L bracket (36) on the outside of funnel (17).
6. a kind of processing unit using microorganism remediation oil-polluted soils according to claim 1, it is characterised in that: institute The bottom for stating blending tank (2) is fixed with several supporting legs.
7. a kind of processing unit using microorganism remediation oil-polluted soils according to claim 1, it is characterised in that: institute Stating first motor (3), second motor (25) and third motor (33) is servo motor.
8. a kind of processing unit using microorganism remediation oil-polluted soils according to claim 1, it is characterised in that: institute The bottom four corners for stating pedestal (1) are mounted on movable pulley.
CN201910580826.2A 2019-06-29 2019-06-29 A kind of processing unit using microorganism remediation oil-polluted soils Pending CN110153178A (en)

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CN201910580826.2A CN110153178A (en) 2019-06-29 2019-06-29 A kind of processing unit using microorganism remediation oil-polluted soils

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Application Number Priority Date Filing Date Title
CN201910580826.2A CN110153178A (en) 2019-06-29 2019-06-29 A kind of processing unit using microorganism remediation oil-polluted soils

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Cited By (9)

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Publication number Priority date Publication date Assignee Title
CN111320155A (en) * 2020-03-18 2020-06-23 天富(连云港)食品配料有限公司 Preparation device and method of edible nutritional phosphate
CN111420978A (en) * 2020-04-26 2020-07-17 陈爱华 Method for restoring heavy metal contaminated soil in mining area
CN111495955A (en) * 2020-04-29 2020-08-07 尤宝旺 In-situ remediation method for petroleum-polluted soil
CN111495965A (en) * 2020-05-27 2020-08-07 周红如 Microbial remediation equipment and method for treating petroleum-polluted soil
CN112474783A (en) * 2020-12-08 2021-03-12 澧县蓉盛环保材料有限责任公司 Stirring and leaching device for soil with heavy metals
CN112554124A (en) * 2020-12-22 2021-03-26 山东财源和信节能工程有限公司 Oil spilling coast processing apparatus
CN112813916A (en) * 2020-12-22 2021-05-18 山东财源和信节能工程有限公司 A microbiological treatment car for petroleum oil stain sandy beach
CN113369290A (en) * 2021-06-08 2021-09-10 永新县中耘农业发展有限公司 Planting soil restoration device based on dry rice seedling raising and use method thereof
CN115156269A (en) * 2022-07-14 2022-10-11 中国矿业大学 Soil remediation equipment for environmental improvement

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Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111320155A (en) * 2020-03-18 2020-06-23 天富(连云港)食品配料有限公司 Preparation device and method of edible nutritional phosphate
CN111420978A (en) * 2020-04-26 2020-07-17 陈爱华 Method for restoring heavy metal contaminated soil in mining area
CN111495955A (en) * 2020-04-29 2020-08-07 尤宝旺 In-situ remediation method for petroleum-polluted soil
CN111495965A (en) * 2020-05-27 2020-08-07 周红如 Microbial remediation equipment and method for treating petroleum-polluted soil
CN111495965B (en) * 2020-05-27 2022-03-01 广东森度生态农业科技有限公司 Microbial remediation equipment and method for treating petroleum-polluted soil
CN112474783A (en) * 2020-12-08 2021-03-12 澧县蓉盛环保材料有限责任公司 Stirring and leaching device for soil with heavy metals
CN112554124A (en) * 2020-12-22 2021-03-26 山东财源和信节能工程有限公司 Oil spilling coast processing apparatus
CN112813916A (en) * 2020-12-22 2021-05-18 山东财源和信节能工程有限公司 A microbiological treatment car for petroleum oil stain sandy beach
CN112554124B (en) * 2020-12-22 2022-12-13 江苏鸿源石化机械有限公司 Oil spilling coast processing apparatus
CN113369290A (en) * 2021-06-08 2021-09-10 永新县中耘农业发展有限公司 Planting soil restoration device based on dry rice seedling raising and use method thereof
CN115156269A (en) * 2022-07-14 2022-10-11 中国矿业大学 Soil remediation equipment for environmental improvement

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Application publication date: 20190823