CN109454108A - A kind of the microorganism remediation equipment and its restorative procedure of heavy-metal contaminated soil - Google Patents
A kind of the microorganism remediation equipment and its restorative procedure of heavy-metal contaminated soil Download PDFInfo
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- CN109454108A CN109454108A CN201811432875.3A CN201811432875A CN109454108A CN 109454108 A CN109454108 A CN 109454108A CN 201811432875 A CN201811432875 A CN 201811432875A CN 109454108 A CN109454108 A CN 109454108A
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- soil particle
- heavy
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- 239000002689 soil Substances 0.000 title claims abstract description 211
- 244000005700 microbiome Species 0.000 title claims abstract description 33
- 229910001385 heavy metal Inorganic materials 0.000 title claims abstract description 26
- 238000005067 remediation Methods 0.000 title claims abstract description 23
- 238000000034 method Methods 0.000 title claims description 12
- 239000002245 particle Substances 0.000 claims abstract description 90
- 230000007246 mechanism Effects 0.000 claims abstract description 79
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 54
- 238000009418 renovation Methods 0.000 claims abstract description 34
- 239000000463 material Substances 0.000 claims abstract description 18
- 230000008439 repair process Effects 0.000 claims abstract description 14
- 239000000203 mixture Substances 0.000 claims abstract description 8
- 239000007788 liquid Substances 0.000 claims description 30
- 239000000243 solution Substances 0.000 claims description 22
- 239000001963 growth medium Substances 0.000 claims description 19
- 230000033001 locomotion Effects 0.000 claims description 17
- 238000009629 microbiological culture Methods 0.000 claims description 17
- 210000001557 animal structure Anatomy 0.000 claims description 15
- 239000012530 fluid Substances 0.000 claims description 13
- 238000003860 storage Methods 0.000 claims description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 13
- 208000028804 PERCHING syndrome Diseases 0.000 claims description 12
- 238000005192 partition Methods 0.000 claims description 12
- 239000007864 aqueous solution Substances 0.000 claims description 8
- 238000003971 tillage Methods 0.000 claims description 7
- 230000000694 effects Effects 0.000 claims description 5
- 230000000813 microbial effect Effects 0.000 claims description 5
- 238000003756 stirring Methods 0.000 claims description 5
- 230000005540 biological transmission Effects 0.000 claims description 4
- 239000003516 soil conditioner Substances 0.000 claims description 4
- 239000007921 spray Substances 0.000 claims description 4
- 238000005507 spraying Methods 0.000 claims description 4
- 238000005452 bending Methods 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 238000006073 displacement reaction Methods 0.000 claims description 3
- 238000013467 fragmentation Methods 0.000 claims description 3
- 238000006062 fragmentation reaction Methods 0.000 claims description 3
- 239000003324 growth hormone secretagogue Substances 0.000 claims description 3
- 235000015097 nutrients Nutrition 0.000 claims description 3
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims description 2
- 230000009471 action Effects 0.000 claims description 2
- 230000032258 transport Effects 0.000 claims description 2
- 229910052725 zinc Inorganic materials 0.000 claims description 2
- 239000011701 zinc Substances 0.000 claims description 2
- 239000011248 coating agent Substances 0.000 claims 2
- 238000000576 coating method Methods 0.000 claims 2
- 238000007599 discharging Methods 0.000 claims 1
- 241000894006 Bacteria Species 0.000 abstract description 4
- 235000013339 cereals Nutrition 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000011065 in-situ storage Methods 0.000 description 3
- ODINCKMPIJJUCX-UHFFFAOYSA-N Calcium oxide Chemical compound [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 235000001674 Agaricus brunnescens Nutrition 0.000 description 1
- 241000196324 Embryophyta Species 0.000 description 1
- 235000008331 Pinus X rigitaeda Nutrition 0.000 description 1
- 235000011613 Pinus brutia Nutrition 0.000 description 1
- 241000018646 Pinus brutia Species 0.000 description 1
- 241000469816 Varus Species 0.000 description 1
- 229910021536 Zeolite Inorganic materials 0.000 description 1
- 239000000292 calcium oxide Substances 0.000 description 1
- 235000012255 calcium oxide Nutrition 0.000 description 1
- KMQAPZBMEMMKSS-UHFFFAOYSA-K calcium;magnesium;phosphate Chemical compound [Mg+2].[Ca+2].[O-]P([O-])([O-])=O KMQAPZBMEMMKSS-UHFFFAOYSA-K 0.000 description 1
- 230000000747 cardiac effect Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000003337 fertilizer Substances 0.000 description 1
- 229910052588 hydroxylapatite Inorganic materials 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 239000003895 organic fertilizer Substances 0.000 description 1
- XYJRXVWERLGGKC-UHFFFAOYSA-D pentacalcium;hydroxide;triphosphate Chemical compound [OH-].[Ca+2].[Ca+2].[Ca+2].[Ca+2].[Ca+2].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O XYJRXVWERLGGKC-UHFFFAOYSA-D 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000011112 process operation Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- 235000015099 wheat brans Nutrition 0.000 description 1
- 239000010457 zeolite Substances 0.000 description 1
Classifications
-
- 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
- B09C2101/00—In situ
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Biotechnology (AREA)
- General Health & Medical Sciences (AREA)
- Microbiology (AREA)
- Molecular Biology (AREA)
- Mycology (AREA)
- Soil Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The invention discloses a kind of microorganism remediation equipment of heavy-metal contaminated soil, including traction device and the soil restoring device that the traction device rear is arranged in, the soil restoring device includes rack and the feeding conveyor structure being arranged on the rack, the first renovation agent addition component, mixing mechanism, the second renovation agent addition component；The feeding conveyor structure collects the soil particle on ground, the discharge end of feeding conveyor structure is arranged in the mixing mechanism, and the rear of feeding conveyor structure is arranged in the mixing mechanism, the first renovation agent addition component adds the first reparation agent material into mixing mechanism, the discharge end of mixing mechanism is arranged in the second renovation agent addition component, and second renovation agent adds component sprinkling second into the soil mixture behind mixing mechanism outlet and repairs agent solution.The cycle duration of soil remediation, sufficient mixed microorganism bacterium material and soil particle can be greatly reduced.
Description
Technical field
The invention belongs to soil remediation field, in particular to the microorganism remediation equipment of a kind of heavy-metal contaminated soil and its
Restorative procedure.
Background technique
With the development of society, the pollution and destruction of soil are increasingly severe, soil needs are constantly repaired, in this way
Soil can be re-used, existing soil remediation method is more, generally the methods of peripheral doses, microorganism remediation, micro-
Biology has protective value well during reparation, and soil can be protected directly when repairing during reparation and be repaired
Soil after multiple, existing microorganism remediation device are usually directly to spray microbial bacteria material to soil, and microorganism is not easy to send
Enter the inside to soil, the mixing of microorganism and soil is uneven, leads to the inhomogeneities of soil remediation, and the growth of microorganism
Also it is easy to be restricted, influences the resume speed of soil, in addition, in the prosthetic device of existing microorganism, broken, the sprinkling of soil
Equal multi-process operation is both needed to repeatedly independent progress, and the time-consuming period is longer.
Summary of the invention
Goal of the invention: in order to overcome the deficiencies in the prior art, the present invention provides a kind of heavy-metal contaminated soil
The cycle duration of soil remediation, sufficient mixed microorganism bacterium material can be greatly reduced in microorganism remediation equipment and its restorative procedure
With soil particle.
Technical solution: to achieve the above object, technical scheme is as follows:
A kind of microorganism remediation equipment of heavy-metal contaminated soil, including traction device and setting are after the traction device
The soil restoring device of side, the soil restoring device displacement is on soil to be repaired；The soil restoring device includes rack
With feeding conveyor structure, the first renovation agent addition component, mixing mechanism, the second renovation agent addition component being arranged on the rack；
The rear of traction device is arranged in the rack connection, and the feeding conveyor structure collects the soil particle on ground, the mixing
Mechanism is arranged in the discharge end of feeding conveyor structure, and the mixing mechanism is arranged in the rear of feeding conveyor structure, and described
One renovation agent addition component adds the first reparation agent material into mixing mechanism, and the second renovation agent addition component setting is mixed
Expect that the discharge end of mechanism, second renovation agent add component sprinkling second into the soil mixture behind mixing mechanism outlet and repair
Multiple agent solution.
Further, the feeding conveyor structure includes that conveyer and the charging being arranged on the conveyer are shoveled, described
Conveyer is belt conveyor, and along the rotation belt profile of conveyer, successively spacing is arranged several charging shovels, the conveyer
It is being obliquely installed from front to back from feed end to discharge end, the feed end of the conveyer stretches to below ground, described defeated
The top for sending the discharge end of machine to be located at mixing mechanism；The charging shovel shovels dynamic ground and soil particle below, and by into
Material conveyer structure is persistently conveyed to mixing mechanism.
Further, L-shaped bending plate body is shoveled in the charging, and the length direction of the charging shovel is along the width side of conveyer
To setting, the charging shovel includes integrally formed perching knife portion sum aggregate soil portion, and the perching knife portion is connected to conveying by collecting soil portion
The rotation of machine takes, and perching knife portion spacing and the rotation band for being parallel to conveyer, the perching knife portion are located in transmission direction
Collect the front side in soil portion.
Further, the mixing mechanism includes mixer, rabbling mechanism and eccentric cam, and the mixer is opening court
To body structure, the rabbling mechanism is horizontal to be rotatably arranged on inside mixer, the rotation axis both ends of the rabbling mechanism point
It is not fixedly installed eccentric cam, the eccentric cam is rotatably arranged on the side wall of mixer, and the rabbling mechanism passes through inclined
Cardiac prominence wheel eccentric rotary；The rotation axis of the rabbling mechanism perpendicular to soil restoring device direction of advance, the mixer
Bottom offers the discharge port of half opening.
Further, rotation is provided with oscillating deck in the discharge port, and a seamed edge of the oscillating deck, which is hingedly arranged in,
The orifice edge of material mouth, the pivot center of the oscillating deck are parallel to the rotation axis of rabbling mechanism, and the oscillating deck relative to
The opposite side of pivot center is provided with hinged block, and one end of the hinged block and connecting rod is hingedly arranged, the other end of the connecting rod
It is slidingly connected on the rotating shaft, the oscillating deck swings up and down folding with the eccentric rotary of rabbling mechanism and is arranged in discharge port
It is interior.
Further, the bottom of the mixer includes fixed plate, and the fixed plate is oppositely arranged with oscillating deck, and fixed
Plate and oscillating deck make the bottom of mixer form opening or closed structure；In the fixed plate one side wall opposite with oscillating deck
It include jagged age of a draught animal structure, the age of a draught animal structure is extended along the length direction of rotation axis, and two age of a draught animal structures
It is interlaced to shift to install；Two age of a draught animal structures are made to be crushed soil particle by the swing folding of oscillating deck.
Further, the rabbling mechanism includes agitator arm and cut-off rule, and several agitator arms are along rotation axis
The setting of axis direction spacing, the cut-off rule is along the blade that the direction of rotation axis is successively threaded through each agitator arm, and described point
Secant is parallel to rotation axis, and several cut-off rules are arranged along the length direction spacing of blade respectively.
Further, the second renovation agent component includes fluid storage tank and the partition that the reservoir box cavity is arranged in and increasing
Water pump, the fluid storage tank are the closed body structure comprising internal cavity, and the fluid storage tank is separated into liquid collecting cavity by partition
And booster cavity, and through-hole is offered on the partition, the liquid collecting cavity is connected to by through-hole with booster cavity, and the booster water pump is set
It sets in liquid collecting cavity, and the liquid outlet of the booster water pump is connect with through-hole；In the booster cavity one side wall opposite with partition
Several liquid outlet microporess are offered, several liquid outlet microporess are opened up along the direction of advance spacing perpendicular to soil restoring device, and
Several liquid outlet microporess are located at the lower section of the discharge port of mixer, and the liquid outlet micropores is in the advance side of soil restoring device
It is located at the front side of discharge port upwards, the second renovation agent component sprays second into the soil particle that discharge port spills downwards and repairs
Multiple agent solution.
Further, described first agent material is repaired as microbiological culture media, described second repairs agent solution as aqueous solution
Or microorganism growth stimulator nutrient solution.
A kind of repairing method of microorganism of heavy-metal contaminated soil: the following steps are included:
S1: by the soil of rotary cultivator rotary tillage heavy metal pollution, and pass through the multiple fragmentation Zinc fractions soil particle of plow harrow；
S2: soil conditioner being added into soil particle, and is turned over and watered, and stands 3-5 days；After expiring, again
Carry out Soil tillage；
S3: preamble is turned over by soil restoring device and is repaired with pretreated contaminated soil:
1. drawing soil restoring device by traction device to advance above the soil of heavy metal pollution, feeding conveyor structure
Feed end stretch to below ground, and soil particle is transported to by the operating of conveyer and the charging of cycle rotation shovel
The discharge end of conveyer transports in the mixing mechanism of the soil of discharge end downwards, and soil particle is in mixing mechanism varus
Turn and broken, meanwhile, the first renovation agent addition component adds microbiological culture media into mixing mechanism, in the effect of rabbling mechanism
Under mix microbiological culture media with soil particle；
2. the eccentric cam is arranged on the wall body of mixer by motor driven rotary motion, the rotation of rabbling mechanism
Axis forms the yaw rotation relative to mixer by two eccentric cams, is overturn in agitator arm rotation to soil same
When, the effect of eccentric motion can make the range of overturning bigger, and make the soil particle in mixer form vibration, and turning
The state that soil particle raises up is formed when movable vane piece turns to the upper surface of soil particle, increases soil particle and microculture
The degree of base mixing, and the eccentric rotary of agitator arm entirety forms the soil that an impact force can further be crushed bulk
Grain；
3. several cut-off rules on stirring blade divide relatively large soil particle during shaft rotates, further
Increase soil degree of crushing；
4. connecting rod follows rotation axis to do eccentric motion during rotation axis eccentric rotary, connecting rod drive oscillating deck around
Its hinged end open and close movement, when oscillating deck and fixed plate co-planar, discharge port is closed state, and soil particle is in mixer
Interior overturning is broken and mixes with microbiological culture media, and when oscillating deck is that fixed plate misplaces, discharge port is in an open state, soil
Grain is flowed downward out from discharge port；During oscillating deck and fixed plate relative motion, discharge port is gone out by age of a draught animal structure
Soil particle is pulverized again；
5. in fluid storage tank, by booster water pump to booster cavity be pressurized, make the solution in booster cavity from liquid outlet micropores with
Spraying state sprinkling, the solution sprayed is mixed into the soil particle of discharge port, and is absorbed through soil particle, then soil
Particle is fallen to the ground；
S4: the microbial solution of aqueous solution or low concentration is periodically sprayed into the soil particle after the repair process.
The utility model has the advantages that of the invention by the way that the feeding conveyor structure, mixing mechanism and microbiological culture media of soil is comprehensive
Setting on the same device, and is moved ahead by continual, gradually repairs the soil particle on ground by transhipment, addition
Agent, after being sufficiently mixed, then it is in situ be back to ground, realize the in-situ immobilization of soil, the cycle duration of each process be greatly decreased, and
And adequately soil particle is crushed and will mix soil-repairing agent and soil particle, also it is conducive to the growth of microorganism.
Detailed description of the invention
Attached drawing 1 is integrally-built main view of the invention；
Attached drawing 2 is the perspective view of integrally-built main view of the invention；
Attached drawing 3 is the integrally-built stereoscopic schematic diagram of soil restoring device of the invention；
Attached drawing 4 is the vertical view that the first renovation agent of the invention adds that component, mixing mechanism, the second renovation agent add component
Figure；
Attached drawing 5 is the sectional view along A-A of attached drawing 4 in the present invention；
Attached drawing 6 is the schematic perspective view at another visual angle of mixing mechanism of the invention；
Attached drawing 7 is the structure enlargement diagram of connecting rod of the invention, rotation axis and eccentric wheel；
Attached drawing 8 is the stereoscopic schematic diagram of the bottom upward of mixing mechanism of the invention and the second renovation agent addition component.
Specific embodiment
The present invention will be further explained with reference to the accompanying drawing.
As shown in Figure 1 and Figure 2, the microorganism remediation equipment of a kind of heavy-metal contaminated soil, including 1 He of traction device
The soil restoring device at 1 rear of traction device is set, and on soil to be repaired, this is led for the soil restoring device displacement
Leading-in device 1 can be the power-equipments such as rotary cultivator, provide power for the forward of soil restoring device；The soil restoring device includes
Rack 2 and the feeding conveyor structure 3 being arranged in rack 2, the first renovation agent add component 4, mixing mechanism 5, the second renovation agent
Component 6 is added, the bottom of rack 2 is provided with the wheel for walking；The rack 2 connects the rear that traction device 1 is arranged in,
The feeding conveyor structure 3 collects the soil particle on transhipment ground, and going out for feeding conveyor structure 3 is arranged in the mixing mechanism 5
Expect end, and the rear of feeding conveyor structure 3 is arranged in the mixing mechanism 5, feeding conveyor structure 3 is by ground by dredging after ploughing
Pine, refinement soil particle is transported in mixing mechanism 5, and the first renovation agent addition component 4 is located at the upper of mixing mechanism 5
Mixing mechanism 5 is arranged in side and the first reparation of addition agent material into mixing mechanism 5, the second renovation agent addition component 6
Discharge end, it is molten that the second renovation agent addition component 6 sprays the second renovation agent into the soil mixture behind the outlet of mixing mechanism 5
Liquid.Described first repairs agent material as microbiological culture media, mushroom microbiological culture media can be selected, or can convert a huge sum of money
The microbial degradation flora body for belonging to characteristic absorbs the heavy metal in soil by the growth of bacterium colony, and described second repairs agent solution
For aqueous solution or microorganism growth stimulator nutrient solution, increase the humidity of soil by aqueous solution, while being easy to culture medium and being mixed into
In soil particle, conducive to the growth of microorganism.And by by feeding conveyor structure, mixing mechanism and the microbiological culture media of soil
Comprehensive setting on the same device, and is moved ahead by continual, gradually repairs the soil particle on ground by transhipment, addition
After answering agent, being sufficiently mixed, then original position is back to ground, realizes the in-situ immobilization of soil, the cycle duration of each process is greatly decreased,
And adequately soil particle is crushed and will mix soil-repairing agent and soil particle.
As shown in Fig. 2, the feeding conveyor structure 3 includes conveyer 31 and the charging being arranged on the conveyer 31
Shovel 32, the conveyer 31 be Caterpillar conveyer, it is several it is described charging shovel 32 along conveyer 31 rotation belt profile successively between
Away from setting, the conveyer 3 is being obliquely installed from front to back from feed end to discharge end, and the feed end of the conveyer 3 is stretched
Enter to below ground, is operated by charging 32 pairs of ground soil particles below of shovel, the discharge end of the conveyer 3 is located at
The top of mixing mechanism 5；The charging shovel 32 shovels dynamic ground and soil particle below, and by feeding conveyor structure 3 to
Mixing mechanism 5 persistently conveys.32 L-shaped bending plate bodys are shoveled in the charging, and the length direction of the charging shovel 32 is along conveyer 31
Width direction setting, charging shovel 32 includes integrally formed 33 sum aggregate soil portion 34, perching knife portion, and the perching knife portion 33 passes through
The rotation that collection soil portion 34 is connected to conveyer 3 takes, 33 spacing of perching knife portion and the rotation band for being parallel to conveyer, the shovel
Knife portion 33 is located at the front side in collection soil portion 34 in transmission direction, and perching knife portion 33 shovels the soil particle of dynamic bottom surface and by collection soil portion 34
It concentrates, prevents soil from falling, charging shovel also forms one for temporarily storing the container of soil particle, makes soil particle along transmission
Direction transhipment.
As shown in Figure 3 to Figure 5, the mixing mechanism 5 includes mixer 50, rabbling mechanism 52 and eccentric cam 56,
The mixer 50 is the body structure of opening direction, and the rabbling mechanism 52 is horizontal and is rotatably arranged on inside mixer 50,
The rotation axis both ends of the rabbling mechanism 52 are fixedly installed eccentric cam 56 respectively, and the eccentric cam 56 is rotatably arranged on mixed
On the side wall of hopper 50, the rabbling mechanism 52 passes through 56 eccentric rotary of eccentric cam；The rotation axis 51 of the rabbling mechanism 52
Perpendicular to the direction of advance of soil restoring device, the bottom of the mixer 50 offers the discharge port 500 of half opening.Driving electricity
The eccentric part of eccentric cam is arranged in arbor, and the eccentricity of eccentric cam should not be too large, in 10cm or less, eccentric cam 56
So that there are certain eccentricities for rotation axis 51 and motor shaft, in rabbling mechanism rotation, can generate certain amplitude vibration and
Impact, while the rotation of agitator arm 52 overturns soil, the effect of eccentric motion can make the range of overturning bigger, and make
The soil particle obtained in mixer 50 forms vibration, and forms soil when moving blade turns to the upper surface of soil particle
The state that particle raises up increases the degree that soil particle is mixed with microbiological culture media, and the bias turn that agitator arm 52 is whole
The dynamic soil particle for forming an impact force and being further crushed bulk, but also it is conducive to mixer 50 in the soil of discharge port
The whereabouts of grain.
As shown in attached drawing 5 to attached drawing 7, is rotated in the discharge port 500 and be provided with oscillating deck 55, the one of the oscillating deck 55
The orifice edge of discharge port 500 is hingedly arranged in by shaft or hinge etc. for seamed edge, and the pivot center of the oscillating deck 55 is flat
Row is in the rotation axis of rabbling mechanism 52, and the oscillating deck 55 is provided with hinged block 54, institute relative to the opposite side of pivot center
It states hinged block 54 and one end of connecting rod 53 is hingedly arranged, the other end of the connecting rod 53 is movably set in rotation axis 51, described
Oscillating deck 55 swings up and down folding with the eccentric rotary of rabbling mechanism 52 and is arranged in discharge port 500, passes through 53 gap of connecting rod
It is set in rotation axis 51, during rotation axis eccentric rotary, oscillating deck 55 can be made to generate linkage, and formed lasting
Folding is swung, and is made discharge port open or close, is formed falling for soil particle, intermittent open and close movement can prevent in mixer
The blocking of soil particle, because folding frequency and the turnning circle of rotation axis of oscillating deck are at identical, Gu and discharge port persistently discharges
It will not interrupt, the bottom of the mixer 50 includes fixed plate 58, and the fixed plate 58 is oppositely arranged with oscillating deck 55, and fixed
Plate 58 and oscillating deck 55 make the bottom of mixer 50 form opening or closed structure；The fixed plate 58 is opposite with oscillating deck 55
One side wall on include jagged age of a draught animal structure 580, the age of a draught animal structure 580 extends along the length direction of rotation axis 51
Setting, and two age of a draught animal structures 580 are interlaced shifts to install；Make two age of a draught animal structures 580 by the swing folding of oscillating deck 55
It is crushed soil particle again, while being also prevented from the blocking of discharge port 500.
As shown in Fig. 6, the rabbling mechanism 52 includes agitator arm 520 and cut-off rule 59, and cut-off rule 59 is high intensity
Thin iron bar, several agitator arms 520 are arranged along the axis direction spacing of rotation axis 51, and the cut-off rule 59 is along rotation axis
51 direction is successively threaded through on the blade of each agitator arm 520, and the cut-off rule 59 is parallel to rotation axis 51, and several described
Cut-off rule 59 is arranged along the length direction spacing of blade respectively, carries out soil particle into one during cut-off rule 59 rotates
The refinement of step is divided and is crushed, and the first reparation agent material is enable adequately to mix with soil particle.
As shown in attached drawing 5 and attached drawing 8, the second renovation agent component 6 includes fluid storage tank 60 and is arranged in the fluid storage tank
The partition 63 and booster water pump 62 of 60 inner cavities, the fluid storage tank 60 are the closed body structure comprising internal cavity, the reservoir
Case 60 is separated into liquid collecting cavity 61 and booster cavity 64 by partition 63, and through-hole 66 is offered on the partition 63, the liquid collecting cavity
61 are connected to by through-hole 66 with booster cavity 64, and the booster water pump 62 is arranged in liquid collecting cavity 61, and the booster water pump 62
Liquid outlet is connect with through-hole 66；Several liquid outlet microporess 65 are offered in the booster cavity 64 one side wall opposite with partition 63, if
It does the liquid outlet micropores 65 to open up along the direction of advance spacing perpendicular to soil restoring device, and several liquid outlet microporess 65
In the lower section of the discharge port 500 of mixer 50, and the liquid outlet micropores 65 is located in the direction of advance of soil restoring device
The front side of material mouth 500, sprinkling second is repaired in the soil particle that the second renovation agent component 6 spills downwards to discharge port 500
Agent solution.It is pressurized by booster water pump 62 to booster cavity, makes the solution in booster cavity 64 from liquid outlet micropores 65 with spraying shape
State sprinkling, the solution sprayed is mixed into the soil particle of discharge port 500, and is absorbed through soil particle, then soil particle
It falls to the ground；Increase the humidity of soil by aqueous solution, while being easy to culture medium and being mixed into soil particle, is conducive to microorganism
Growth.
A kind of repairing method of microorganism of heavy-metal contaminated soil: the following steps are included:
S1: by 30 centimeters of soil below ground of rotary cultivator rotary tillage heavy metal pollution, and pass through the multiple fragmentation soil of plow harrow
Earth forms soil particle, the soil of broken bulk as far as possible；
S2: soil conditioner being added into soil particle, and is turned over and watered, and stands 3-5 days；After expiring, again
Carry out Soil tillage；When last is all over rotary tillage, can multiple plowed soils, and the soil is made to be exposed to the sun by the sun, reduced to the greatest extent
The humidity of soil, wherein soil conditioner is wheat bran, plant ash, calcium magnesium phosphate, quick lime, zeolite, hydroxyapatite and organic
Fertilizer also provides the growing environment for utilizing microbe colony for increasing the fertilizer of soil, while the acid-base property of comprehensive soil；
S3: preamble is turned over by soil restoring device and is repaired with pretreated contaminated soil:
1. drawing soil restoring device by traction device 1 to advance above the soil of heavy metal pollution, feeding conveyor
The feed end of structure 3 stretches to below ground, and shovels 32 for soil particle by the operating of conveyer and the charging of cycle rotation
It is transported to the discharge end of conveyer, is transported in the mixing mechanism 5 of the soil of discharge end downwards, and soil particle is in batch mixer
It is overturn in structure 5 and broken, meanwhile, the first renovation agent addition component 4 adds microbiological culture media into mixing mechanism 5, is stirring
Microbiological culture media is mixed with soil particle under the action of mechanism；
2. the eccentric cam is arranged on the wall body of mixer 50 by motor driven rotary motion, rabbling mechanism turns
Moving axis 51 forms the yaw rotation relative to mixer 50 by two eccentric cams 56, the rotation of agitator arm 52 to soil into
While row overturning, the effect of eccentric motion can make the range of overturning bigger, and the soil particle in mixer 50 is formed
Vibration, and the state that formation soil particle raises up when moving blade turns to the upper surface of soil particle, increase soil
The degree that grain is mixed with microbiological culture media, and the eccentric rotary of 52 entirety of agitator arm forms an impact force and can further break
The soil particle of broken bulk；
3. several cut-off rules on stirring blade divide relatively large soil particle during shaft rotates, further
Increase soil degree of crushing；
4. connecting rod 53 follows rotation axis 51 to do eccentric motion during 51 eccentric rotary of rotation axis, connecting rod 53 is driven
Oscillating deck 55 is around its hinged end open and close movement, and when oscillating deck 55 and 58 co-planar of fixed plate, discharge port 500 is closed
State, soil particle overturn broken in mixer 50 and mix with microbiological culture media, when oscillating deck 55 is that fixed plate misplaces,
Discharge port 500 is in an open state, and soil particle is flowed downward out from discharge port；In the mistake of oscillating deck 55 and 58 relative motion of fixed plate
Cheng Zhong is pulverized again by the soil particle that age of a draught animal structure 580 goes out discharge port 500；
5. being pressurized by booster water pump 62 to booster cavity in fluid storage tank 60, keeping the solution in booster cavity 64 micro- from liquid out
It is sprayed in hole 65 with spraying state, the solution sprayed is mixed into the soil particle of discharge port 500, and is inhaled through soil particle
It receives, then soil particle is fallen to the ground；
S4: the microbial solution of aqueous solution or low concentration is periodically sprayed into the soil particle after the repair process.
The above is only a preferred embodiment of the present invention, it should be pointed out that: for the ordinary skill people of the art
For member, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also answered
It is considered as protection scope of the present invention.
Claims (10)
1. a kind of microorganism remediation equipment of heavy-metal contaminated soil, it is characterised in that: including traction device (1) and be arranged in institute
The soil restoring device at traction device (1) rear is stated, the soil restoring device displacement is on soil to be repaired；The soil is repaired
Apparatus for coating includes rack (2) and the feeding conveyor structure (3) being arranged on rack (2), the first renovation agent addition component (4), mixes
Expect mechanism (5), the second renovation agent addition component (6)；The rack (2) connection setting at the rear of traction device (1), it is described into
Material conveyer structure (3) collects the soil particle on ground, and the discharge end in feeding conveyor structure (3) is arranged in the mixing mechanism (5),
And mixing mechanism (5) setting, at the rear of feeding conveyor structure (3), first renovation agent adds component (4) to mixing
Agent material, discharging of the second renovation agent addition component (6) setting in mixing mechanism (5) are repaired in addition first in mechanism (5)
End, it is molten that the second renovation agent addition component (6) sprays the second renovation agent into the soil mixture behind mixing mechanism (5) outlet
Liquid.
2. a kind of microorganism remediation equipment of heavy-metal contaminated soil according to claim 1, it is characterised in that: it is described into
Material conveyer structure (3) includes conveyer (31) and the charging being arranged on the conveyer (31) shovel (32), the conveyer
It (31) is belt conveyor, along the rotation belt profile of conveyer (31), successively spacing is arranged several charging shovels (32), described
Conveyer (3) is being obliquely installed from front to back from feed end to discharge end, and the feed end of the conveyer (3) stretches to ground
Hereinafter, the discharge end of the conveyer (3) is located at the top of mixing mechanism (5)；Charging shovel (32) shovel dynamic ground and its under
The soil particle of side, and persistently conveyed by feeding conveyor structure (3) to mixing mechanism (5).
3. a kind of microorganism remediation equipment of heavy-metal contaminated soil according to claim 2, it is characterised in that: it is described into
The length direction of the L-shaped bending plate body of shovel (32), the charging shovel (32) is arranged along the width direction of conveyer (31), described
Charging shovel (32) includes integrally formed perching knife portion (33) sum aggregate soil portion (34), and the perching knife portion (33) is connected by collection soil portion (34)
The rotation for being connected to conveyer (3) takes, perching knife portion (33) spacing and the rotation band for being parallel to conveyer, the perching knife portion
(33) it is located at the front side of collection soil portion (34) in transmission direction.
4. a kind of microorganism remediation equipment of heavy-metal contaminated soil according to claim 1, it is characterised in that: described mixed
Material mechanism (5) includes mixer (50), rabbling mechanism (52) and eccentric cam (56), and the mixer (50) is opening direction
Body structure, the horizontal mixer (50) that is rotatably arranged on of the rabbling mechanism (52) is internal, the rotation of the rabbling mechanism (52)
Axis both ends are fixedly installed eccentric cam (56) respectively, and the eccentric cam (56) is rotatably arranged on the side wall of mixer (50)
On, the rabbling mechanism (52) passes through eccentric cam (56) eccentric rotary；The rotation axis (51) of the rabbling mechanism (52) is vertical
The discharge port (500) of half opening is offered in the bottom of the direction of advance of soil restoring device, the mixer (50).
5. a kind of microorganism remediation equipment of heavy-metal contaminated soil according to claim 4, it is characterised in that: it is described go out
Rotation is provided with oscillating deck (55) in material mouth (500), and discharge port (500) is hingedly arranged in a seamed edge of the oscillating deck (55)
The pivot center of orifice edge, the oscillating deck (55) is parallel to the rotation axis of rabbling mechanism (52), and the oscillating deck (55)
Opposite side relative to pivot center is provided with hinged block (54), and the hinged block (54) and one end of connecting rod (53) are hingedly set
It sets, the other end of the connecting rod (53) is movably set on rotation axis (51), and the oscillating deck (55) is with rabbling mechanism (52)
Eccentric rotary and swing up and down folding setting in the discharge port (500).
6. a kind of microorganism remediation equipment of heavy-metal contaminated soil according to claim 5, it is characterised in that: described mixed
The bottom of hopper (50) includes fixed plate (58), and the fixed plate (58) is oppositely arranged with oscillating deck (55), and fixed plate (58)
The bottom of mixer (50) is set to form opening or closed structure with oscillating deck (55)；The fixed plate (58) and oscillating deck (55)
It include jagged age of a draught animal structure (580), length of the age of a draught animal structure (580) along rotation axis (51) in opposite one side wall
It spends direction to be extended, and two age of a draught animal structures (580) are interlaced shifts to install；Make two by the swing folding of oscillating deck (55)
A age of a draught animal structure (580) is crushed soil particle.
7. a kind of microorganism remediation equipment of heavy-metal contaminated soil according to claim 4, it is characterised in that: described to stir
Mixing mechanism (52) includes agitator arm (520) and cut-off rule (59), axis of several agitator arms (520) along rotation axis (51)
The setting of line direction spacing, the cut-off rule (59) are successively threaded through the leaf of each agitator arm (520) along the direction of rotation axis (51)
On piece, the cut-off rule (59) are parallel to rotation axis (51), and several cut-off rules (59) are respectively along the length direction of blade
Spacing setting.
8. a kind of microorganism remediation equipment of heavy-metal contaminated soil according to claim 4, it is characterised in that: described
Two renovation agent components (6) include the partition (63) and booster water pump of fluid storage tank (60) and setting in the fluid storage tank (60) inner cavity
(62), the fluid storage tank (60) is the closed body structure comprising internal cavity, and the fluid storage tank (60) passes through partition (63) point
It is divided into liquid collecting cavity (61) and booster cavity (64), and offers through-hole (66) on the partition (63), the liquid collecting cavity (61) passes through
Through-hole (66) is connected to booster cavity (64), and booster water pump (62) setting is in liquid collecting cavity (61), and the booster water pump
(62) liquid outlet is connect with through-hole (66)；The booster cavity (64) is done with partition (63) if offering in opposite one side wall
Liquid micropore (65), several liquid outlet microporess (65) open up along the direction of advance spacing perpendicular to soil restoring device, and several
The liquid outlet micropores (65) is located at the lower section of the discharge port (500) of mixer (50), and the liquid outlet micropores (65) is repaired in soil
In the direction of advance of apparatus for coating be located at discharge port (500) front side, the second renovation agent component (6) to discharge port (500) to
Under in the soil particle that spills sprinkling second repair agent solution.
9. a kind of microorganism remediation equipment of heavy-metal contaminated soil according to claim 1, it is characterised in that: described
One repairs agent material as microbiological culture media, and described second repairs agent solution as aqueous solution or microorganism growth stimulator nutrient solution.
10. a kind of repairing method of microorganism of heavy-metal contaminated soil according to any one of claims 1 to 9, feature
It is: the following steps are included:
S1: by the soil of rotary cultivator rotary tillage heavy metal pollution, and pass through the multiple fragmentation Zinc fractions soil particle of plow harrow；
S2: soil conditioner being added into soil particle, and is turned over and watered, and stands 3-5 days；After expiring, carry out again
Soil tillage；
S3: preamble is turned over by soil restoring device and is repaired with pretreated contaminated soil:
1. drawing soil restoring device by traction device (1) to advance above the soil of heavy metal pollution, feeding conveyor structure
(3) feed end stretches to below ground, and shovels (32) for soil by the operating of conveyer and the charging of cycle rotation
Grain is transported to the discharge end of conveyer, transports in the mixing mechanism (5) of the soil of discharge end downwards, and soil particle is mixed
Expect overturning in mechanism (5) and is crushed, meanwhile, the first renovation agent adds component (4) and adds microculture into mixing mechanism (5)
Base mixes microbiological culture media with soil particle under the action of rabbling mechanism；
2. the eccentric cam is arranged on the wall body of mixer (50) by motor driven rotary motion, the rotation of rabbling mechanism
Axis (51) forms the yaw rotation relative to mixer (50) by two eccentric cams (56), in agitator arm (52) rotation pair
While soil is overturn, the effect of eccentric motion can make the range of overturning bigger, and make the soil in mixer (50)
Particle forms vibration, and the state that formation soil particle raises up when moving blade turns to the upper surface of soil particle, increases
The degree for adding soil particle to mix with microbiological culture media, and eccentric rotary one impact force of formation of agitator arm (52) entirety can
The soil particle of further broken bulk；
3. several cut-off rules on stirring blade divide relatively large soil particle during shaft rotates, further to increase
Add the degree of crushing of soil；
4. connecting rod (53) follows rotation axis (51) to do eccentric motion, connecting rod (53) during rotation axis (51) eccentric rotary
Drive oscillating deck (55) around its hinged end open and close movement, when oscillating deck (55) and fixed plate (58) co-planar, discharge port
It (500) is closed state, soil particle overturning in mixer (50) is broken and mixes with microbiological culture media, works as oscillating deck
(55) when misplacing for fixed plate, discharge port (500) is in an open state, and soil particle is flowed downward out from discharge port；In oscillating deck
(55) during with fixed plate (58) relative motion, discharge port (500) are gone out by age of a draught animal structure (580) soil particle into
Row pulverizes again；
5. being pressurized by booster water pump (62) to booster cavity in the fluid storage tank (60), make solution in booster cavity (64) from liquid out
It is sprayed in micropore (65) with spraying state, the solution sprayed is mixed into the soil particle of discharge port (500), and through soil
Particle absorbs, and then soil particle is fallen to the ground；
S4: the microbial solution of aqueous solution or low concentration is periodically sprayed into the soil particle after the repair process.
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| CN201811432875.3A CN109454108B (en) | 2018-11-28 | 2018-11-28 | Microbial remediation equipment for heavy metal contaminated soil and remediation method thereof |
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| CN201811432875.3A CN109454108B (en) | 2018-11-28 | 2018-11-28 | Microbial remediation equipment for heavy metal contaminated soil and remediation method thereof |
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| CN111420978A (en) * | 2020-04-26 | 2020-07-17 | 陈爱华 | Method for restoring heavy metal contaminated soil in mining area |
| CN111842449A (en) * | 2020-07-29 | 2020-10-30 | 王帅 | Carrying type soil remediation device |
| CN112620344A (en) * | 2020-12-24 | 2021-04-09 | 广东中烟工业有限责任公司 | Soil remediation device |
| CN113333455A (en) * | 2021-07-14 | 2021-09-03 | 湖南富民环保建设有限公司 | Earthing device for repairing industrial heavy metal soil |
| CN114178305A (en) * | 2021-12-10 | 2022-03-15 | 诸暨市智臻机械设备有限公司 | Soil remediation equipment and remediation method thereof |
| CN114749477A (en) * | 2022-04-18 | 2022-07-15 | 胡雪宇 | Soil restoration integration equipment |
| CN114798709A (en) * | 2022-05-20 | 2022-07-29 | 河南省燎原勘测规划设计有限公司 | Ecological restoration equipment for mine wasteland |
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