CN106825036B - A kind of soil repair system and method based on microbial degradation - Google Patents

A kind of soil repair system and method based on microbial degradation Download PDF

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Publication number
CN106825036B
CN106825036B CN201710221613.1A CN201710221613A CN106825036B CN 106825036 B CN106825036 B CN 106825036B CN 201710221613 A CN201710221613 A CN 201710221613A CN 106825036 B CN106825036 B CN 106825036B
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China
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filter disc
module
unit
soil
guide rail
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CN106825036A (en
Inventor
杨明
奚姗姗
王啟华
程俊
赵杰
王猛
刘帮樑
周强
张娜
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Anhui Tongyuan Environment Energy Saving Co Ltd
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Anhui Tongyuan Environment Energy Saving Co Ltd
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
    • B09C—RECLAMATION OF CONTAMINATED SOIL
    • B09C1/00—Reclamation of contaminated soil
    • B09C1/10—Reclamation of contaminated soil microbiologically, biologically or by using enzymes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
    • B09C—RECLAMATION OF CONTAMINATED SOIL
    • B09C1/00—Reclamation of contaminated soil
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
    • B09C—RECLAMATION OF CONTAMINATED SOIL
    • B09C1/00—Reclamation of contaminated soil
    • B09C1/02—Extraction using liquids, e.g. washing, leaching, flotation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
    • B09C—RECLAMATION OF CONTAMINATED SOIL
    • B09C1/00—Reclamation of contaminated soil
    • B09C1/08—Reclamation of contaminated soil chemically

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  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Soil Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Biomedical Technology (AREA)
  • Biotechnology (AREA)
  • General Health & Medical Sciences (AREA)
  • Microbiology (AREA)
  • Molecular Biology (AREA)
  • Mycology (AREA)
  • Processing Of Solid Wastes (AREA)

Abstract

The invention discloses a kind of soil repair system based on microbial degradation, including pollution source soil delivery unit, physically screening unit, stone delivery unit, microbial degradation unit, cleaning precipitation unit, dewatering unit and native source delivery unit is repaired；For the present invention by the way of microbial degradation and Chemical cleaning combine, soil remediation is more thorough, and effectively reduces secondary pollution；Cleaning fluid recycling module removal process ensure that the disturbance of filter screen area current, solve the problems, such as that filter screen easily blocks；Cleaning fluid recycling module effectively inhibits the disturbance to bottom sediment, and the cleaning fluid for making to be recovered to is free of soil impurity.

Description

A kind of soil repair system and method based on microbial degradation
Technical field
The present invention relates to environmental protection machinery, more particularly to a kind of soil repair system and side based on microbial degradation Method.
Background technology
Chinese soil environmental aspect is totally allowed of no optimist, and national soil pollution exceeding standard rate is discarded up to 16.1% in industry and mining While ground soil environment outstanding problem, arable soil environmental quality more causes anxiety；But existing soil remediation equipment is present The soil " sand " repaired is changed seriously, can bring secondary pollution, and nutrients is also filtered in the lump, and soil cleans in addition The recovery of liquid there is also relict soil slag it is excessive the problem of, easily block pipeline.
The content of the invention
Goal of the invention：In order to overcome the deficiencies in the prior art, the present invention provides a kind of based on microbial degradation Soil repair system and method, Polluted Soil source can be repaired.
Technical scheme：To achieve the above object, a kind of soil repair system based on microbial degradation of the invention, including Pollution source soil delivery unit, physically screening unit, stone delivery unit, microbial degradation unit, cleaning precipitation unit, dehydration Unit and native source delivery unit is repaired；The discharge end of Polluted Soil source delivery unit connects with the feeding end of physically screening unit Connect；The stone discharge end of the physically screening unit is connected with the feeding end of stone delivery unit；The physically screening unit Soil discharge end is connected by blanking device with the feeding end of microbial degradation unit；The discharge end of the microbial degradation unit leads to Cross blanking device and be connected with cleaning the feeding end of precipitation unit；The discharge end of the cleaning precipitation unit is single with dehydration by blanking device The feeding end connection of member；The discharge end of the dewatering unit is connected by blanking device with having repaired the feeding end of native source delivery unit Connect.
Further, the microbial degradation unit includes microbial reaction container, nutrient solution mixing module, air inlet module And exhaust module；The nutrient solution mixing module is arranged on above microbial reaction container, the discharge end of nutrient solution mixing module It is connected with the feed end of microbial reaction container by blanking device, its junction is provided with sealing valve of damming；The air inlet module is set Put in the bottom of microbial reaction container；The exhaust module is arranged on microbial reaction container side wall top；The microorganism Reaction vessel inner cavity top is provided with temperature sensor and carbon dioxide content detector；It is provided with the air inlet of the air inlet module Heating wire and supply fan；The signal output part of the temperature sensor is connected with the signal input part of heating wire controller；Institute The signal output part for stating carbon dioxide content detector is connected with the signal input part of supply fan controller.
Further, the cleaning precipitation unit includes hydraulic electric suspension hook module, container module, stirring module and cleaning Liquid recycling module；The cleaning fluid recycling module and stirring module are in container module internal cavity, and concentric setting；The cleaning fluid Recycling module is swum on the internal liquid level of container module；The stirring module is fixedly installed on container module bottom；The liquid Piezoelectricity moves suspension hook module and is arranged on directly over cleaning fluid recycling module.
Further, the cleaning fluid recycling module includes balance module, filtering module and supporting module；The balance mould Concentric setting from top to bottom, its shaft core position are commonly connected on filter disc axle successively for block, filtering module and supporting module.
Further, the filtering module includes the first filter disc, second layer filter disc, the 3rd filter disc and filter disc axle；Described One filter disc, the second filter disc and the 3rd filter disc be with container module upper inner diameter identical disc structure, it is and same from bottom to up successively Axle center spacing is set；At the axle center of the first filter disc, the second filter disc and the 3rd filter disc, be respectively equipped with bearing hole, and respectively with filter Dish axle is connected by bearing；Several reverse frustoconic through holes are uniformly distributed on first filter disc；Second filter disc it is not rounded First partial filter screen area, the second filter disc of UNICOM of First partial filter screen area upper and lower both sides are set at the heart；Second filter disc upper surface is vertical Provided with the disturbance plate of rectangle first, the first disturbance plate is arranged at the Central Symmetry in axle center relative with First partial filter screen area；It is described Face where first disturbance plate is with the intersection in face where the second filter disc by the center of circle；The non-circle centre position of 3rd filter disc sets second Local filter screen area, the filter disc of the second UNICOM of local filter screen area the 3rd both sides, and up and down corresponding with the first disturbance plate on the second filter disc Set；3rd filter disc lower surface is vertically provided with the disturbance plate of rectangle second, and the second disturbance plate is filtered with the First partial on the second filter disc Barrier is correspondingly arranged；3rd filter disc is provided with some water absorption channels and hard suction, the blasthole of some water absorption channels The upper surface of the 3rd filter disc is arranged on, the water side of water absorption channel and the water intake end of hard suction connect in the 3rd disc interiors Connect；Hard suction water side connects flexible suction hose water intake end, the water side connection water pump of flexible suction hose, water pump water outlet end It is arranged on the outside of container module.
Further, the balance module includes scale pan and float；The float bottom connects with fixed at the top of filter disc axle Connect；The outside of circumference where some scale pans are evenly distributed on some water absorption channels, and it is higher by float top in z-axis direction Face, scale pan are supported by scale pan and are fixedly connected with the 3rd filter disc upper surface.
Further, the supporting module includes support plate and supporting post-rod；The support plate is by the straight leaf of several thin plates Piece circumference array is formed, and support plate upper surface middle part is fixedly connected with filter disc axle bottom；The upper end of some support springs is set Put at several thin plate prismatic blade lower surface edges.
Further, the hydraulic electric suspension hook module include electronic suspension hook hydraulic cylinder, electronic suspension hook hydraulic cylinder piston rod, Electronic suspension hook, link；The electronic suspension hook hydraulic cylinder is fixed on directly over float vertically；The electronic suspension hook is fixed on electric crane Hook hydraulic cylinder piston rod end；Link is fixedly installed on float upper surface；Electronic suspension hook catches on link and drives cleaning fluid to reclaim Module synchronization upper and lower displacement.
Further, the container module is divided into two parts up and down, and its top is open-topped column construction, and bottom is Inverted cone-shaped structure；Container module upper portion side wall is provided with feeding mouth, and bottom is provided with discharging opening；In the column construction of the container module Wall is provided with the guide rail in five groups of z-axis directions；Five groups of guide rails include guide rail one, guide rail two, guide rail three, guide rail four and guide rail Five；A fixed guide wheel is arranged on guide rail one on the excircle of first filter disc；On the excircle of second filter disc Symmetrically a pair of fixed guide wheels are separately positioned on guide rail two and guide rail three；One symmetrically fixed on the 3rd filter disc excircle Guide wheel is separately positioned on guide rail four and guide rail five；The guide rail one is line slideway straight down；The guide rail two, lead Rail three, guide rail four and guide rail five are s shape curvilinear guides, its middle guide two and guide rail three with respect to container axis Central Symmetry；Guide rail Four and the respective container axis centre of guide rail five it is symmetrical；Guide rail two and guide rail four mirror image guide rail each other；The curvilinear guide is formed Curve orthographic projection in the plane be sinusoidal curve.
Further, a kind of method of the soil repair system based on microbial degradation is as follows：
Holistic approach：Soil is transmitted simultaneously blanking to physically screening unit, physically screening unit by Polluted Soil source delivery unit Stone and soil are separated, wherein the stone in physically screening unit is from the blanking of stone discharge end to stone delivery unit, physics Soil in screening unit passes through blanking device blanking to microbial degradation unit from soil discharge end；Microbial degradation unit is to stone The pollutants such as petroleum hydrocarbon are degraded；Microbial degradation process is heavy to cleaning by the soil blanking after degraded by blanking device after terminating Shallow lake unit；Precipitation unit is cleaned by separated from contaminants remaining in soil into cleaning fluid, and recovery and rinsing liquid；Cleaning has precipitated The soil blanking of container unit bottom will be deposited in dewatering unit by blanking device into rear；After dehydration terminates, under Glassware is by soil blanking to having repaired native source delivery unit；
The specific method of the microbial degradation unit is：
In soil blanking to nutrient solution mixing module container in physically screening unit, appropriate microorganism and nutrition are launched Liquid, start the agitator in nutrient solution mixing module container, be sufficiently mixed it；It is anti-to microorganism that mixed process terminates rear blanking Container intracavity, blanking process is answered to close the sealing valve of damming of microbial reaction vessel loading port and discharge outlet, air inlet after terminating The signal that fan and heating wire feed back according to temperature sensor and carbon dioxide content detector adjusts air quantity and heating power；
It is described cleaning precipitation unit specific method be；
Electric crane catches on cleaning fluid recycling module as container module top in the presence of being hooked in electronic suspension hook hydraulic cylinder；
Blanking device by soil blanking that microbial degradation unit process terminates to precipitation unit is cleaned, then to container unit Water filling simultaneously launches cleaning agent；
Starting stirring module, be sufficiently mixed cleaning fluid and soil, whipping process is stood after launching precipitating reagent after terminating, until Precipitation is abundant；
Electronic suspension hook release link is opened, cleaning fluid recycling module is under self gravitation effect integrally to bottom offset, cleaning The second filter disc and the 3rd filter disc of liquid recycling module continuously rotate back and forth respectively along homologous thread guide rail and to bottom offsets
Cleaning fluid recycling module drops to liquid level in container inside modules, and the filter opening of cleaning fluid from three layers of filter disc oozes out, made Below 3rd filter disc upper surface immersed in liquid level, float is swum on liquid level under buoyancy.
The blasthole of 3rd filter disc upper surface continuously siphons away the cleaning fluid above the 3rd filter disc, the second filter disc and the 3rd filter disc As liquid level continuously reduces, continuously rotated back and forth respectively along homologous thread guide rail and to bottom offset, cleaning fluid is from the first filter disc Penetrated into upper equally distributed reverse frustoconic filter bores in the filter chamber between the first filter disc and the second filter disc, filter chamber is in hydraulic pressure In the presence of the filter chamber that is penetrated into from the First partial filter screen area of the second filter disc between the second filter disc and the 3rd filter disc of cleaning fluid In, for the filter chamber between the second filter disc and the 3rd filter disc in the presence of the first disturbance plate and the second disturbance plate, cleaning fluid is lasting Shake, realizes that the filter screen on the second filter disc and the 3rd filter disc is not blocked by native slag；Final cleaning fluid is in the presence of hydraulic pressure from the The second local filter screen area on three filter discs is oozed out；Until supporting module contacts with container bottom sediment, supporting module and container Increase buoyancy suffered by cleaning fluid recycling module entirety after bottom sediment contact, cleaning fluid recycling module stops moving downward.
Start electronic suspension hook hydraulic cylinder and drive the downward displacement of electronic suspension hook, electronic suspension hook is caught on link；
The electronic electronic suspension hook of suspension hook Driven by Hydraulic Cylinder shifts up, and makes cleaning fluid recycling module as container module top；
Start blanking device, by the native blanking after precipitation to dewatering unit.
Beneficial effect：Beneficial effects of the present invention are as follows：
1) by the way of microbial degradation and Chemical cleaning combine, soil remediation is more thorough, and effectively reduces secondary Pollution；
2) cleaning fluid recycling module removal process ensure that the disturbance of filter screen area current, solves filter screen and holds susceptible to plugging ask Topic；
3) cleaning fluid recycling module effectively inhibits the disturbance to bottom sediment, and the cleaning fluid for making to be recovered to is free of soil Impurity.
Brief description of the drawings
Accompanying drawing 1 is soil repair system overall plan figure；
Accompanying drawing 2 is microbial degradation unit schematic diagram；
Accompanying drawing 3 is to clean precipitation unit internal structure A to sectional view；
Accompanying drawing 4 is to clean precipitation unit internal structure B to sectional view；
Accompanying drawing 5 is cleaning precipitation unit top view；
Accompanying drawing 6 is cleaning fluid recycling module topology view；
Accompanying drawing 7 is the first filter disc schematic diagram；
Accompanying drawing 8 is the second filter disc schematic diagram；
Accompanying drawing 9 is the 3rd filter disc schematic diagram.
Embodiment
The present invention is further described below in conjunction with the accompanying drawings.
A kind of soil repair system based on microbial degradation as shown in Figure 1, including pollution source soil delivery unit 1, Physically screening unit 2, stone delivery unit 4, microbial degradation unit 5, cleaning and have repaired soil at precipitation unit 6, dewatering unit 7 Source delivery unit 9；The discharge end of Polluted Soil source delivery unit 1 is connected with the feeding end of physically screening unit 2；The physics The stone discharge end of screening unit 2 is connected with the feeding end of stone delivery unit 4；The soil discharging of the physically screening unit 2 End is connected by blanking device with the feeding end of microbial degradation unit 5；The discharge end of the microbial degradation unit 5 passes through blanking Device is connected with cleaning the feeding end of precipitation unit 6；The discharge end of the cleaning precipitation unit 6 passes through blanking device and dewatering unit 7 Feeding end connection；The discharge end of the dewatering unit 7 is connected by blanking device with having repaired the feeding end of native source delivery unit 9 Connect.
As shown in Figure 2, microbial degradation unit 5 includes microbial reaction container 46, nutrient solution mixing module 3, air inlet Module and exhaust module；The nutrient solution mixing module 3 is arranged on the top of microbial reaction container 46, nutrient solution mixing module 3 Discharge end be connected with the feed end of microbial reaction container 46 by blanking device, its junction, which is provided with, dams sealing valve；It is described Air inlet module is arranged on the bottom of microbial reaction container 46；The exhaust module is arranged in the side wall of microbial reaction container 46 Portion；The inner cavity top of microbial reaction container 46 is provided with temperature sensor and carbon dioxide content detector；The air inlet mould Heating wire 47 and supply fan 48 are provided with the air inlet of block；The signal output part of the temperature sensor controls with heating wire 47 The signal input part connection of device；The signal output part of the carbon dioxide content detector and the signal of the controller of supply fan 48 Input connects.
As shown in accompanying drawing 3,4 or 5, cleaning precipitation unit 2 includes hydraulic electric suspension hook module, container module 16, stirring mould Block 14 and cleaning fluid recycling module；The cleaning fluid recycling module and stirring module 14 concentric are set in container module internal cavity Put；The cleaning fluid recycling module is swum on the internal liquid level of container module 16；The stirring module 14 is fixedly installed on appearance The bottom of device module 16；The hydraulic electric suspension hook module is arranged on directly over cleaning fluid recycling module.
As shown in Figure 6, cleaning fluid recycling module includes balance module, filtering module and supporting module；The balance mould Concentric setting from top to bottom, its shaft core position are commonly connected on filter disc axle successively for block, filtering module and supporting module.
The filtering module as shown in accompanying drawing 6,7,8 or 9 includes the first filter disc 24, second layer filter disc 23, the 3rd filter disc 22 and filter Dish axle；First filter disc 24, the second filter disc 23 and the 3rd filter disc 22 are and the upper inner diameter identical disk knot of container module 16 Structure, and concentric spacing is set from bottom to up successively；At the axle center of the first filter disc 24, the second filter disc 23 and the 3rd filter disc 22, Bearing hole is respectively equipped with, and is connected respectively with filter disc axle by bearing；Several roundings are uniformly distributed on first filter disc 24 Platform shape through hole；The non-circle centre position of second filter disc 23 sets First partial filter screen area 32, UNICOM of First partial filter screen area 32 the Two filter discs both sides about 23；The upper surface of second filter disc 23 is vertically provided with the first disturbance plate of rectangle 34, and the first disturbance plate 34 is arranged on With First partial filter screen area 32 at the Central Symmetry in relative axle center；The place face of first disturbance plate 34 and the place of the second filter disc 23 The intersection in face is by the center of circle；The non-circle centre position of 3rd filter disc 22 sets the second local filter screen area 36, the second local filter screen area About 22 both sides for the filter disc of 36 UNICOM the 3rd, and are correspondingly arranged with the first disturbance plate 34 on the second filter disc 23；Under 3rd filter disc 22 Surface is vertically provided with the second disturbance plate of rectangle 35, and the second disturbance plate 35 is corresponding with the First partial filter screen area 32 on the second filter disc 23 Set；3rd filter disc 22 is provided with some water absorption channels 21 and hard suction 18, the blasthole of some water absorption channels 21 The upper surface of the 3rd filter disc 22 is arranged on, the water side of water absorption channel 21 is with the water intake end of hard suction 18 in the 3rd filter disc 22 Inside connection；The water side of hard suction 18 connects flexible suction hose water intake end, the water side connection water pump of flexible suction hose, water Pump out water end (W.E.) and be arranged on the outside of container module 16.
Balance module includes scale pan 17 and float 19 as shown in Figure 6；The bottom of float 19 and filter disc axle top are solid Fixed connection；Some scale pans 17 are evenly distributed on the outside of some place circumference of water absorption channel 21, and are higher by z-axis direction The top surface of float 19, scale pan 17 are fixedly connected by scale pan support 45 with the upper surface of the 3rd filter disc 22.
Supporting module includes support plate and supporting post-rod as shown in Figure 6；The support plate 25 is by the straight leaf of several thin plates Piece circumference array is formed, and the upper surface middle part of support plate 25 is fixedly connected with filter disc axle bottom；Some support springs 26 it is upper End is arranged at several thin plate prismatic blade lower surface edges.
The hydraulic electric suspension hook module as shown in accompanying drawing 3,4 and 5 includes electronic suspension hook hydraulic cylinder 11, electronic suspension hook hydraulic cylinder is lived Stopper rod 12, electronic suspension hook 13, link 20；The electronic suspension hook hydraulic cylinder 11 is fixed on directly over float vertically；The electric crane Hook 13 is fixed on the electronic end of suspension hook hydraulic cylinder piston rod 12；Link 20 is fixedly installed on float upper surface；Electronic suspension hook 13 hooks Firmly link 20 and drive cleaning fluid recycling module synchronization upper and lower displacement.
It is open-topped column construction that the container module 16 as shown in accompanying drawing 3,4 and 5, which is divided for upper and lower two parts, its top, Bottom is inverted cone-shaped structure；The upper portion side wall of container module 16 is provided with feeding mouth, and bottom is provided with discharging opening；The cylindricality of container module 16 Inner structural wall is provided with the guide rail in five groups of z-axis directions；Five groups of guide rails include guide rail 1, guide rail 2 27, guide rail 3 30, led Rail 4 31 and guide rail 5 28；A fixed guide wheel is arranged on guide rail 1 on the excircle of first filter disc 24；It is described A pair of guide wheels symmetrically fixed are separately positioned on guide rail 2 27 and guide rail 3 30 on the excircle of second filter disc 23；Described 3rd A pair of guide wheels symmetrically fixed are separately positioned on guide rail 4 31 and guide rail 5 28 on the excircle of filter disc 22；The guide rail 1 is Line slideway straight down；The guide rail 2 27, guide rail 3 30, guide rail 4 31 and guide rail 5 28 are s shape curvilinear guides, wherein Guide rail 2 27 and the respective container axis centre of guide rail 3 30 are symmetrical；Guide rail 4 31 and the respective container axis centre pair of guide rail 5 28 Claim；Guide rail 2 27 and guide rail 4 31 mirror image guide rail each other；The orthographic projection of the curve that the curvilinear guide is formed in the plane is Sinusoidal curve, 38,37 and 40 be guide wheel in figure.
As shown in Figure 1, a kind of method of the soil repair system based on microbial degradation, it is characterised in that
Holistic approach：Soil is transmitted simultaneously blanking to physically screening unit 2, physically screening list by Polluted Soil source delivery unit 1 Member 2 separates stone and soil, the wherein stone in physically screening unit 2 from the blanking of stone discharge end to stone delivery unit 4, Soil in physically screening unit 2 passes through blanking device blanking to microbial degradation unit 5 from soil discharge end；Microbial degradation list The pollutants such as 5 pairs of petroleum hydrocarbons of member are degraded；Microbial degradation process terminate after by blanking device by the soil blanking after degraded To cleaning precipitation unit 6；Precipitation unit 6 is cleaned by separated from contaminants remaining in soil into cleaning fluid, and recovery and rinsing liquid； The soil blanking of the bottom of container unit 16 will be deposited in dewatering unit 7 by blanking device after the completion of cleaning precipitation；Dehydration After end, by blanking device by soil blanking to having repaired native source delivery unit 9；
As shown in Figure 2, the specific method of the microbial degradation unit is：
In soil blanking to the container of nutrient solution mixing module 3 in physically screening unit 2, appropriate microorganism and battalion are launched Nutrient solution, start the agitator in the container of nutrient solution mixing module 3, be sufficiently mixed it；Mixed process terminates rear blanking to micro- life The inner chamber of thing reaction vessel 46, blanking process close the sealing of damming of the charging aperture of microbial reaction container 46 and discharge outlet after terminating The signal that valve, supply fan 48 and heating wire 47 feed back according to temperature sensor and carbon dioxide content detector adjust air quantity and Heating power；
The specific method of cleaning precipitation unit is as described in Fig. 3,4,5,6,7,8 or 9；
A) electronic suspension hook 13 catches on cleaning fluid recycling module as container module in the presence of electronic suspension hook hydraulic cylinder 11 Top；
B) blanking device 5 reacts microbial degradation unit 5 the soil blanking extremely cleaning precipitation unit 2 of end, then to appearance The water filling of device unit simultaneously launches cleaning agent；
C) starting stirring module 14, be sufficiently mixed cleaning fluid and soil, whipping process is stood after launching precipitating reagent after terminating, Until precipitation is abundant；
D) open electronic suspension hook 13 and discharge link 20, cleaning fluid recycling module is under self gravitation effect integrally to bottom Move, the second filter disc 23 of cleaning fluid recycling module and the 3rd filter disc 22 continuously rotated back and forth respectively along homologous thread guide rail and to Bottom offset
E) cleaning fluid recycling module drops to liquid level inside container module 16, and the filter opening of cleaning fluid from three layers of filter disc oozes Go out, make below the upper surface immersed in liquid level of the 3rd filter disc 22, float is swum on liquid level under buoyancy.
F) blasthole of the upper surface of the 3rd filter disc 22 continuously siphons away the cleaning fluid of the top of the 3rd filter disc 22, the He of the second filter disc 23 3rd filter disc 22 continuously reduces with liquid level, is continuously rotated back and forth respectively along homologous thread guide rail and to bottom offset, cleaning fluid The filtering penetrated into from the first filter disc 24 in equally distributed reverse frustoconic filter bores between the first filter disc 24 and the second filter disc 23 In chamber, filter chamber cleaning fluid in the presence of hydraulic pressure penetrates into the second filter disc 23 from the First partial filter screen area 32 of the second filter disc 23 And in the 3rd filter chamber between filter disc 22, the filter chamber between the second filter disc 23 and the 3rd filter disc 22 is in the He of the first disturbance plate 35 In the presence of second disturbance plate 34, cleaning fluid is persistently shaken, and realizes that the filter screen on the second filter disc 23 and the 3rd filter disc 22 is not native Slag blocks；Final cleaning fluid oozes out in the presence of hydraulic pressure from the second local filter screen area 36 on the 3rd filter disc 22；Until support Module contacts with container bottom sediment, and supporting module makes cleaning fluid recycling module entirety institute after being contacted with container bottom sediment Increased by buoyancy, cleaning fluid recycling module stops moving downward.
G) start electronic suspension hook hydraulic cylinder 11 and drive electronic suspension hook 13 electronic suspension hook 13 is caught on link to bottom offset 20；
H) electronic suspension hook hydraulic cylinder 11 drives electronic suspension hook 13 to shift up, and makes cleaning fluid recycling module as container module Top；
I) blanking device is started, by the native blanking after precipitation to dewatering unit 7.
Described above is only the preferred embodiment of the present invention, it should be pointed out that：For the ordinary skill people of the art For member, under the premise without departing from the principles of the invention, some improvements and modifications can also be made, these improvements and modifications also should It is considered as protection scope of the present invention.

Claims (7)

  1. A kind of 1. soil repair system based on microbial degradation, it is characterised in that：Including pollution source soil delivery unit (1), Physically screening unit (2), stone delivery unit (4), microbial degradation unit (5), cleaning precipitation unit (6), dewatering unit (7) Native source delivery unit (9) is repaired；The discharge end of Polluted Soil source delivery unit (1) enters with physically screening unit (2) Expect end connection；The stone discharge end of the physically screening unit (2) is connected with the feeding end of stone delivery unit (4)；The thing The soil discharge end of reason screening unit (2) is connected by blanking device with the feeding end of microbial degradation unit (5)；The microorganism The discharge end of degraded unit (5) is connected by blanking device with the feeding end of cleaning precipitation unit (6)；The cleaning precipitation unit (6) discharge end is connected by blanking device with the feeding end of dewatering unit (7)；The discharge end of the dewatering unit (7) is under Glassware is connected with having repaired the feeding end of native source delivery unit (9)；
    The cleaning precipitation unit (6) includes hydraulic electric suspension hook module, container module (16), stirring module (14) and cleaning fluid Recycling module；The cleaning fluid recycling module and stirring module (14) are in container module internal cavity, and concentric setting；The cleaning Liquid recycling module is swum on the internal liquid level of container module (16)；The stirring module (14) is fixedly installed on container module (16) bottom；The hydraulic electric suspension hook module is arranged on directly over cleaning fluid recycling module；
    The cleaning fluid recycling module includes balance module, filtering module and supporting module；The balance module, filtering module and Concentric setting from top to bottom, its shaft core position are commonly connected on filter disc axle supporting module successively；
    The filtering module includes the first filter disc (24), second layer filter disc (23), the 3rd filter disc (22) and filter disc axle；Described first Filter disc (24), the second filter disc (23) and the 3rd filter disc (22) be with container module (16) upper inner diameter identical disc structure, and Concentric spacing is set from bottom to up successively；At the axle center of the first filter disc (24), the second filter disc (23) and the 3rd filter disc (22), Bearing hole is respectively equipped with, and is connected respectively with filter disc axle by bearing；Several are uniformly distributed on first filter disc (24) to fall Truncated cone-shaped through hole；The non-circle centre position of second filter disc (23) sets First partial filter screen area (32), First partial filter screen area (32) filter disc of UNICOM second (23) both sides up and down；Second filter disc (23) upper surface is vertically provided with the disturbance plate of rectangle first (34), the One disturbance plate (34) is arranged on First partial filter screen area (32) at the Central Symmetry in relative axle center；First disturbance plate (34) The intersection in face is by the center of circle where place face and the second filter disc (23)；The non-circle centre position of 3rd filter disc (22) sets second game Filter screen area of portion (36), the second local filter disc (22) of filter screen area (36) UNICOM the 3rd both sides up and down, and with the second filter disc (23) First disturbance plate (34) is correspondingly arranged；3rd filter disc (22) lower surface is vertically provided with the disturbance plate of rectangle second (35), the second disturbance Plate (35) is correspondingly arranged with the First partial filter screen area (32) on the second filter disc (23)；3rd filter disc (22) is provided with some water suctions Passage (21) and hard suction (18), the blasthole of some water absorption channels (21) are arranged on the upper table of the 3rd filter disc (22) Face, the water side of water absorption channel (21) are connected with the water intake end of hard suction (18) inside the 3rd filter disc (22)；Hard is inhaled Water pipe (18) water side connects flexible suction hose water intake end, and the water side connection water pump of flexible suction hose, water pump water outlet end is set On the outside of container module (16).
  2. A kind of 2. soil repair system based on microbial degradation according to claim 1, it is characterised in that：Micro- life Thing degraded unit (5) includes microbial reaction container (46), nutrient solution mixing module (3), air inlet module and exhaust module；It is described Nutrient solution mixing module (3) is arranged on above microbial reaction container (46), discharge end and the micro- life of nutrient solution mixing module (3) The feed end of thing reaction vessel (46) is connected by blanking device, and its junction is provided with sealing valve of damming；The air inlet module is set In the bottom of microbial reaction container (46)；The exhaust module is arranged on microbial reaction container (46) side wall upper part；It is described Microbial reaction container (46) inner cavity top is provided with temperature sensor and carbon dioxide content detector；The air inlet module enters Heating wire (47) and supply fan (48) are provided with gas port；The signal output part of the temperature sensor controls with heating wire (47) The signal input part connection of device；The signal output part of the carbon dioxide content detector and the letter of supply fan (48) controller The connection of number input.
  3. A kind of 3. soil repair system based on microbial degradation according to claim 1, it is characterised in that：The balance Module includes scale pan (17) and float (19)；Float (19) bottom at the top of filter disc axle with being fixedly connected；Some weights The outside of circumference where code-disc (17) is evenly distributed on some water absorption channels (21), and float (19) top surface is higher by z-axis direction, Scale pan (17) supports (45) to be fixedly connected with the 3rd filter disc (22) upper surface by scale pan.
  4. A kind of 4. soil repair system based on microbial degradation according to claim 1, it is characterised in that：The support Module includes support plate and supporting post-rod；The support plate (25) is made up of several thin plate prismatic blade circumference array, support plate (25) upper surface middle part is fixedly connected with filter disc axle bottom；The upper end of some support springs (26) is arranged on several thin plates At prismatic blade lower surface edge.
  5. A kind of 5. soil repair system based on microbial degradation according to claim 1, it is characterised in that：The hydraulic pressure Electric crane hook modules include electronic suspension hook hydraulic cylinder (11), electronic suspension hook hydraulic cylinder piston rod (12), electronic suspension hook (13), link (20)；The electronic suspension hook hydraulic cylinder (11) is fixed on directly over float vertically；The electronic suspension hook (13) is fixed on electric crane Hook hydraulic cylinder piston rod (12) end；Link (20) is fixedly installed on float upper surface；Electronic suspension hook (13) catches on link (20) And drive cleaning fluid recycling module synchronization upper and lower displacement.
  6. A kind of 6. soil repair system based on microbial degradation according to claim 1, it is characterised in that：The container The column construction inwall of module (16) is provided with the guide rail in five groups of z-axis directions；Five groups of guide rails include guide rail one (29), guide rail Two (27), guide rail three (30), guide rail four (31) and guide rail five (28)；Fixed one on the excircle of first filter disc (24) Guide wheel is arranged on guide rail one (29)；A pair of guide wheels symmetrically fixed are separately positioned on the excircle of second filter disc (23) On guide rail two (27) and guide rail three (30)；A pair of guide wheels symmetrically fixed are separately positioned on 3rd filter disc (22) excircle On guide rail four (31) and guide rail five (28)；The guide rail one (29) is line slideway straight down；The guide rail two (27), lead Rail three (30), guide rail four (31) and guide rail five (28) are s shape curvilinear guides, its middle guide two (27) and the relative appearance of guide rail three (30) Device axis centre is symmetrical；Guide rail four (31) and guide rail five (28) respective container axis centre are symmetrical；Guide rail two (27) and guide rail four (31) mirror image guide rail each other；The orthographic projection of the curve that the curvilinear guide is formed in the plane is sinusoidal curve.
  7. A kind of 7. method of the soil repair system based on microbial degradation, it is characterised in that
    Holistic approach：Soil is transmitted simultaneously blanking to physically screening unit (2), physically screening list by Polluted Soil source delivery unit (1) First (2) separate stone and soil, and wherein the stone in physically screening unit (2) transmits single from the blanking of stone discharge end to stone First (4), the soil in physically screening unit (2) pass through blanking device blanking to microbial degradation unit (5) from soil discharge end；It is micro- Biodegradable unit (5) is degraded to pollutants such as petroleum hydrocarbons；Microbial degradation process will be degraded after terminating by blanking device Soil blanking afterwards is to cleaning precipitation unit (6)；Precipitation unit (6) is cleaned by separated from contaminants remaining in soil to cleaning fluid In, and recovery and rinsing liquid；The soil blanking of container unit (16) bottom will be deposited in after the completion of cleaning precipitation by blanking device To dewatering unit (7)；After dehydration terminates, by blanking device by soil blanking to having repaired native source delivery unit (9)；
    The specific method of the microbial degradation unit is：
    In soil blanking to nutrient solution mixing module (3) container in physically screening unit (2), appropriate microorganism and battalion are launched Nutrient solution, start the agitator in nutrient solution mixing module (3) container, be sufficiently mixed it；Mixed process terminates rear blanking to micro- Biological reaction container (46) inner chamber, blanking process close microbial reaction container (46) charging aperture and section of discharge outlet after terminating Flow the signal that sealing valve, supply fan (48) and heating wire (47) feed back according to temperature sensor and carbon dioxide content detector Adjust air quantity and heating power；
    It is described cleaning precipitation unit specific method be；
    A) electronic suspension hook (13) catches on cleaning fluid recycling module as container module in the presence of electronic suspension hook hydraulic cylinder (11) Top；
    B) microbial degradation unit (5) is reacted the soil blanking terminated to cleaning precipitation unit (6), Ran Houxiang by blanking device (5) Container unit water filling simultaneously launches cleaning agent；
    C) start stirring module (14), be sufficiently mixed cleaning fluid and soil, whipping process is stood after launching precipitating reagent after terminating, directly It is abundant to precipitation；
    D) electronic suspension hook (13) release link (20) is opened, cleaning fluid recycling module is under self gravitation effect integrally to bottom Move, the second filter disc (23) and the 3rd filter disc (22) of cleaning fluid recycling module continuously rotate back and forth respectively along homologous thread guide rail And to bottom offset
    E) cleaning fluid recycling module drops to liquid level inside container module (16), and the filter opening of cleaning fluid from three layers of filter disc oozes out, Make below the 3rd filter disc (22) upper surface immersed in liquid level, float is swum on liquid level under buoyancy.
    F) blasthole of the 3rd filter disc (22) upper surface continuously siphons away the cleaning fluid above the 3rd filter disc (22), the second filter disc (23) With the 3rd filter disc (22) as liquid level continuously reduces, continuously rotated back and forth respectively along homologous thread guide rail and to bottom offset, clearly Washing lotion penetrates into the first filter disc (24) and the second filter disc (23) from the first filter disc (24) in equally distributed reverse frustoconic filter bores Between filter chamber in, filter chamber cleaning fluid in the presence of hydraulic pressure oozes from the First partial filter screen area (32) of the second filter disc (23) Enter into the filter chamber between the second filter disc (23) and the 3rd filter disc (22), between the second filter disc (23) and the 3rd filter disc (22) Filter chamber in the presence of the first disturbance plate (35) and the second disturbance plate (34), persistently shake, and realizes the second filter disc by cleaning fluid (23) do not blocked with the filter screen on the 3rd filter disc (22) by native slag；Final cleaning fluid is in the presence of hydraulic pressure from the 3rd filter disc (22) On the second local filter screen area (36) ooze out；Until supporting module contacts with container bottom sediment, supporting module and container bottom Increase buoyancy suffered by cleaning fluid recycling module entirety after portion's sediment contact, cleaning fluid recycling module stops moving downward.
    G) start electronic suspension hook hydraulic cylinder (11) and drive electronic suspension hook (13) electronic suspension hook (13) is caught on link to bottom offset (20)；
    H) electronic suspension hook hydraulic cylinder (11) drives electronic suspension hook (13) to shift up, and makes cleaning fluid recycling module as container module Top；
    I) blanking device is started, by the native blanking after precipitation to dewatering unit (7).
CN201710221613.1A 2017-04-06 2017-04-06 A kind of soil repair system and method based on microbial degradation Active CN106825036B (en)

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CN108284124A (en) * 2018-01-30 2018-07-17 西南科技大学 A kind of heavy-metal contaminated soil repair system and method
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CN102941225A (en) * 2012-11-26 2013-02-27 中国科学院南京土壤研究所 Chemistry-microorganism combination restoration method of polycyclic aromatic hydrocarbons and heavy metal composite contaminated site soil
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