CN109731896A - A kind of restorative procedure of heavy-metal contaminated soil - Google Patents
A kind of restorative procedure of heavy-metal contaminated soil Download PDFInfo
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- CN109731896A CN109731896A CN201910157501.3A CN201910157501A CN109731896A CN 109731896 A CN109731896 A CN 109731896A CN 201910157501 A CN201910157501 A CN 201910157501A CN 109731896 A CN109731896 A CN 109731896A
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Abstract
The invention belongs to technical field of soil remediation, specifically a kind of restorative procedure of heavy-metal contaminated soil, this method comprises the following steps: fine grinding quick lime being taken to screen out appropriate partial size less than 0.2mm, fine grinding quick lime of the calcium oxide content between 80%-90% reacts with water and generates the pH value that calcium hydroxide improves contaminated soil；By contaminated soil coarse crushing to be repaired and the hard impurities such as contaminated soil medium stone are removed, will be stirred in the contaminated soil and fine grinding quick lime addition blender after coarse crushing, obtain mixed soil；It will be in the cabinet in the prosthetic device of mixed soil investment heavy-metal contaminated soil；It is added after appropriate soft calcium carbonate powder is mixed sufficiently with clear water in the soil remediation chemical tank on cabinet；The motor on cabinet is opened, crushes outer cylinder rotation to mixed soil using motor；The present invention improves the efficiency of soil remediation by promoting the heavy metal element in soil to form hydroxide or carbonate combine state precipitation of salts.
Description
Technical field
The invention belongs to technical field of soil remediation, specifically a kind of restorative procedure of heavy-metal contaminated soil.
Background technique
With heavy metal than more prominent in soil inorganic pollutant, mainly since heavy metal cannot be by edaphon point
Solution, and be easy to accumulate and be converted into the bigger methyl compound of toxicity, in addition some by food chain with adverse concentration in human body
Accumulation seriously endangers human health.Heavy metal pollution of soil object mainly has mercury, cadmium, lead, copper, chromium, arsenic, nickel, iron, manganese, zinc etc.,
Though arsenic is not belonging to heavy metal, because its behavior and source and harm are all similar to heavy metal, therefore be usually included in heavy metal classes into
Row discusses.For the needs to plant, metallic element can be divided into 2 classes: the 1. unwanted element of plant growth and development, and to people
Body health hazard is obvious, such as cadmium, mercury, lead.Element needed for 2. plant normal growth is developed, and have certain life again to human body
Function, such as copper, zinc are managed, but excessively will cause pollution, interferes plant growth and development.Therefore need to heavy-metal contaminated soil into
Row is repaired.
However, the prosthetic device of existing some heavy-metal contaminated soils when repairing to contaminated soil, directly will
It repairs in medicament investment contaminated soil, causes reparation medicament to be unable to fully contact with contaminated soil, extend the reparation of contaminated soil
Duration is capable of increasing the contact for repairing medicament with contaminated soil for this purpose, providing a kind of restorative procedure of heavy-metal contaminated soil
Contaminated soil pH value is improved in face, and the heavy metal element in soil is promoted to form hydroxide or carbonate combine state precipitation of salts,
The efficiency of soil remediation is improved, and contaminated soil is tentatively crushed, the hard impurity in contaminated soil is removed, is avoided hard
Matter impurity damages prosthetic device, extends the service life of prosthetic device.
Summary of the invention
In order to make up for the deficiencies of the prior art, the restorative procedure of a kind of heavy-metal contaminated soil proposed by the present invention, this hair
Bright purpose is to improve contaminated soil pH value by the way that fine grinding quick lime and soft calcium carbonate are added into contaminated soil, promote
Heavy metal element in soil forms hydroxide or carbonate combine state precipitation of salts, improves the efficiency of soil remediation, and right
Contaminated soil is tentatively crushed, and the hard impurity in contaminated soil is removed, and hard impurity is avoided to damage heavy metal polluted soil
The prosthetic device of earth extends the service life of the prosthetic device of heavy-metal contaminated soil.
The technical solution adopted by the present invention to solve the technical problems is: a kind of heavy-metal contaminated soil of the present invention
Restorative procedure, this method comprises the following steps:
S1: fine grinding quick lime was taken to screen out appropriate partial size less than 0.2mm, calcium oxide content is between 80%-90%
Fine grinding quick lime reacts with water and generates the pH value that calcium hydroxide improves contaminated soil；It is reacted by calcium oxide with water and generates hydrogen-oxygen
Change calcium, improve the pH value of contaminated soil, promotes the heavy metal element in contaminated soil to form hydroxide precipitating, dirt is effectively reduced
Contaminate the content of heavy metals in soil；
S2: by contaminated soil coarse crushing to be repaired and the hard impurities such as contaminated soil medium stone are removed, by the dirt after coarse crushing
Fine grinding quick lime in dye soil and S1, which is added in blender, to be stirred, and mixed soil is obtained；It is preliminary by being carried out to contaminated soil
It is broken, the hard impurity in contaminated soil is removed, the prosthetic device of hard impurity damage heavy-metal contaminated soil is avoided, extends
The service life of the prosthetic device of heavy-metal contaminated soil；
S3: will be in the cabinet in the prosthetic device of the mixed soil investment heavy-metal contaminated soil in S2；Utilize heavy metal
The prosthetic device of contaminated soil crushes contaminated soil, is conducive to the efficiency for improving soil remediation；
S4: the soil remediation chemical tank in S3 on cabinet is added after appropriate soft calcium carbonate powder is mixed sufficiently with clear water
In；Soft calcium carbonate is made by chemical method, and impurity content is few, using calcium oxide and clear water exothermic heat of reaction, so that soft carbonic acid
Calcium is reacted with heavy metal element quickening, forms carbonate combine state precipitation of salts, Heavy Metals in Contaminated Soils element is effectively reduced
Content；
S5: opening the motor in S4 on cabinet, crushes outer cylinder rotation to mixed soil using motor；
The prosthetic device of heavy-metal contaminated soil of the S3 into S5 includes cabinet, outer cylinder, spiral feeding shaft and crushing
Bar；Motor is installed, cabinet is internally provided with spiral feeding shaft, and cabinet is internally located at spiral conveying at the top of the cabinet
Outer cylinder is rotatably connected on the outside of axis, and the side edge of the inner wall of outer cylinder and spiral feeding shaft is touched, the bottom position of box roof
It is rotatably connected to No. three gears between spiral feeding shaft and outer tube inner wall, the lower section of spiral feeding shaft is corresponded on the inner wall of cabinet
Screening module is installed, the bottom for being internally located at screening module of cabinet is equipped with spray module, the corresponding spray mould in the outside of cabinet
Block is equipped with soil remediation chemical tank, and being internally located at below spray module for cabinet is provided with stirring rod, and the one of cabinet wall
Side is equipped with two groups of extruding modules, and corresponding squeeze offers cavity, and the inside of cavity at module position on the wall thickness of cabinet
Piston rod is slidably connected, the outside of cabinet is equipped with gas-guide tube, and gas-guide tube is connected to two cavitys；The motor and spiral
Feeding shaft transmission connection, and corresponding No. three gear positions are arranged with No.1 gear, spiral shell on the outer cylinder at the top of spiral feeding shaft
The top that rotation feeding shaft is used to that the soil block at the top of screening module to be made to be transferred to cabinet again；Center at the top of the stirring rod
Locate the shaft that is connected, and the top of shaft passes through screening module and the bottom end of spiral feeding shaft is connected, stirring rod is for repairing soil
Multiple medicament mixes sufficiently with soil crushing；Corresponding connected No. two gears of No. three gear positions on inner wall at the top of the outer cylinder,
In, No. three gears are engaged with No.1 gear and No. two gears, the arc groove opened up at the top of outer cylinder, the outer cylinder two sides of outer cylinder with
Two groups of extruding module corresponding positions crush bar there are two being all provided with, and crush and be provided with three groups of crushing modules on bar, crush bar
It is used to make clods breaking with module is crushed；Wherein,
The crushing module includes pulverizing unit, cleaning unit, retaining collar and slip collar；The retaining collar and cunning
Dynamic lantern ring, which is set in, to be crushed on bar, and retaining collar and crushing bar are connected, and slip collar is slidably connected with bar is crushed, and sliding sleeve
Be provided with cleaning unit on ring, slip collar is used to clear up the outer cylinder for crushing bar, between the top of two lantern rings and
Pulverizing unit is hinged between bottom end；The pulverizing unit is hingedly made up of two crushing cutters torsional spring, two crushing cutters
For soil to be crushed；
The extruding module includes extruding gasbag；The extruding gasbag is arranged on the inner wall of cabinet, and the wall thickness of cabinet
Air flue is offered at upper corresponding extruding gasbag position, air flue is connected to extruding gasbag, is squeezed the outside at the top of extruding gasbag and is connected
Driving lever；The screening module includes funnel-form sieve plate and dredging unit；Uniformly distributed sieve pore, funnel-form sieve plate on the funnel-form sieve plate
The corresponding sieve hole location in inside be provided with dredging unit, the inside of funnel-form sieve plate offers air guide channel, and air guide channel
It is connected to by hose with the bottom end of air flue, is slidably connected between funnel-form sieve plate and the inner wall of cabinet, funnel-form sieve plate one end
No. two extension airbags are equipped between bottom and the inner wall of cabinet, and No. two extension airbags are connected to the bottom end of gas-guide tube, funnel-form
Buffer spring is equipped between the bottom of the sieve plate other end and the inner wall of cabinet, No. two extension airbags move piston rod level when compressing
It is dynamic；The dredging unit includes No.1 extension airbag and L-type dredging bar, and dredging unit is for dredging sieve pore；The L-type
Dredging bar is arranged in the inside of sieve pore, and the horizontal segment of L-type dredging bar is connect with No.1 extension airbag；The No.1 extension airbag with
Air guide channel connection, No.1 extension airbag are mobile for making L-type dredging bar position；One end of the piston rod extends across cabinet
To the inside of cabinet, piston rod one end corresponds to multiple latches that are connected at driving lever position, and multiple latches are for vibrating driving lever.
When work, inlet port and outlet port are respectively equipped with bottom at the top of the box body, motor is opened and drives spiral conveying
Axis rotation, No.1 gear drives No. two gear rotations by No. three gears, at this point, outer cylinder rotates with, and the rotation side of outer cylinder
To the rotation direction with spiral feeding shaft on the contrary, outer cylinder, which drives, crushes bar rotation, the slip collar on bar is crushed by centrifugal force
Effect, mobile to the direction far from outer cylinder, pulverizing unit opens, and suitable soil is added to the inside of soil remediation chemical tank
Medicament is repaired, water pump is installed in soil remediation chemical tank, soil remediation medicament is discharged, is added by feed inlet to the inside of cabinet
Enter suitable soil, pulverizing unit crushes soil with when crushing bar rotation, and smashed soil block falls to funnel-form sieve plate
Top is sieved, and the small lower section that funnel-form sieve plate is fallen to through sieve pore of soil block, the big accumulation of soil block is on funnel-form sieve plate top
The big soil block of block diameter is transferred to top by the center position in portion, spiral feeding shaft again, then the arc through opening up at the top of outer cylinder
The discharge of shape slot is crushed bar and is crushed again with pulverizing unit, so that the big soil block of block diameter be carried out to repeat crushing, is effectively increased
The crush efficiency of soil accelerates the efficiency of soil remediation, finally, soil crushing falls to the bottom of cabinet and sprays module discharge
The mixing of soil remediation medicament, stirring rod are stirred, and are repaired the soil finished and are discharged by discharge port.
After soil remediation, motor shuts down, and outer cylinder stops operating, and slip collar is no longer influenced by the work of centrifugal force
With torsional spring makes two crushing cutters close to each other, drives slip collar mobile to the direction of retaining collar, thus to crushing on bar
One section between slip collar and retaining collar is cleared up, and the soil block for crushing and adhering on bar outer cylinder is removed, after reduction
The workload of phase cleaning；
Spherical roller can be installed in the one end for crushing bar, avoid damage extruding gasbag, when crushing bar per revolution, ball
Shape pair of rollers extruding gasbag is once squeezed, and extruding gasbag is squeezed, the air in inner cavity successively through air flue, hose, lead
Gas channel imports in the inner cavity of multiple No.1 extension airbags, and the expansion stretching, extension of No.1 extension airbag pushes L-type dredging bar in sieve pore
Medial movement, when spherical roller is separated with extruding gasbag, extruding gasbag extracts the air in No.1 extension airbag inner cavity out, this
When, L-type dredges bar and restores origin-location, so that L-type dredging bar is done duplicate movement in this way, convenient for dredging to sieve pore, effectively
Improve the screening efficiency of funnel-form sieve plate；When soil block is fallen on the top of funnel-form sieve plate, to funnel-form sieve plate apply to
Under active force, funnel-form sieve plate moves down, at this point, No. two extension airbags are squeezed contraction, in No. two extension airbag inner cavities
Air imports the inside of cavity through gas-guide tube, the air push piston rod of importing Slideslip to the left, when piston rod slides, latch with
Driving lever is stirred, and when latch is separated with driving lever, driving lever rebound drives extruding gasbag vibration, to remove extruding gasbag outer wall
On attachment soil block, improve the working efficiency of extruding gasbag.
The cleaning unit includes arc cleaning steel disc and cleaning sleeve；The quantity of the arc cleaning steel disc is four, arc
Shape cleaning steel disc is equiangularly arranged in a ring on the basis of the center of slip collar, and arc clears up the side of steel disc and slip collar
It is connected, be connected elastic piece between two arc cleaning steel discs of arbitrary neighborhood；The other side of the cleaning sleeve and slip collar is solid
Even.
When work, when outer cylinder stops operating, the direction of slip collar to close outer cylinder is mobile, when slip collar is mobile,
Arc cleaning steel disc makes to crush the soil block that adheres on bar outer cylinder and separates with bar is crushed, when arc cleaning steel disc one end with admittedly
To determine after lantern ring is in contact, slip collar continues to move to, and arc cleaning steel disc, which is squeezed, to arch upward, and soil block is separated with crushing bar, when
When arc cleaning steel disc arches upward, the elastic piece between two arc cleaning steel discs of arbitrary neighborhood is separated with the outer cylinder for crushing bar,
Convenient for removing the soil block between two arc cleaning steel discs of arbitrary neighborhood, when mobile to the direction far from outer cylinder when slip collar,
Cleaning sleeve equally clears up the outer cylinder for crushing bar, effectively improves the clean level for crushing bar in this way.
The extruding module further includes elastic membrane and insertion column；The elastic membrane is arranged in the inside of extruding gasbag, elasticity
Circular hole is offered on film；The inner wall of the insertion column and extruding gasbag is connected, and the position for being embedded in column is corresponding with the position of circular hole,
One end of insertion column is connected round table-like embedded block, and the outer diameter of round table-like embedded block small end is less than the internal diameter of circular hole, round table-like insertion
The outer diameter of block big end is greater than the internal diameter of circular hole, is connected between the small end of round table-like embedded block and the inner wall of cabinet and squeezes spring.
It when work, when crushing bar rotation, crushes bar and extruding gasbag is squeezed, extruding gasbag is shunk, at this point, insertion
Column is to close to the movement of the direction of elastic membrane, and when extruding gasbag continues to shrink, the round table-like embedded block of insertion column one end passes through circle
Hole squeezes spring contraction, when crushing bar is separated with extruding gasbag, squeezes recoil of spring, pushes the big end of round table-like embedded block
Across circular hole, when round table-like embedded block is separated with the circular hole in elastic membrane, elastic membrane vibration, extruding gasbag vibrates therewith, favorably
It falls off in the soil block on extruding gasbag outer wall, reduces the workload of later period cleaning, meanwhile, it squeezes spring and extruding gasbag is accelerated to return
Bullet improves the sensitivity of extruding gasbag deformation, easy to use.
The bottom end of the spiral feeding shaft is angularly connected multiple No.1 Elastic Teeths in a ring；Funnel-form sieve plate bottom end
Inside connection frame is installed, and connect multiple No. two Elastic Teeths that are connected on the bottom plate on the inside of frame, No. two Elastic Teeths and No.1 bullet
Property tooth is interspersed.
When work, when the rotation of spiral feeding shaft, No.1 Elastic Teeth is rotated with, No.1 Elastic Teeth and No. two Elastic Teeth elder generations
Contact separates again, and when No.1 Elastic Teeth is separated with No. two Elastic Teeths, No. two Elastic Teeths make connection frame do duplicate vibration, connects
Frame drives the vibration of funnel-form sieve plate, to improve the screening efficiency of funnel-form sieve plate, meanwhile, vibration change on the inside of sieve pore soil block it
Between relative position, avoid sieve pore blockade, guarantee the normal use of funnel-form sieve plate.
The spray module includes spray hose, No. three extension airbags and bumping post；The spray hose is mounted on cabinet
On inner wall, spray hose is connected to soil remediation chemical tank；Pass through admittedly on the inner wall of the cabinet positioned at the lower section of spray hose
Fixed board is connected multiple No. three extension airbags, and the top of No. three extension airbags and spray hose are connected, and are located on the inner wall of cabinet
Be connected bumping post between two No. three extension airbags of arbitrary neighborhood, opens up at corresponding No. three extension airbag positions on the wall thickness of cabinet
There is circular passage；The circular passage is connected to No. three extension airbags, and circular passage is connected to the bottom end of air flue；The bumping post cloth
It sets in the top of spray hose, the outer cylinder of bumping post is in contact with the tube wall of spray hose；No. three extension airbags are for making
Spray hose deformation.
When work, extruding gasbag does periodic deformation under the action of crushing bar with certain frequency, works as extruding gasbag
When being squeezed contraction, the air in extruding gasbag inner cavity is imported in No. three extension airbags, and No. three extension airbag expansion stretching, extensions push away
Dynamic spray hose is in contact with it at position and moves up, and the position of bumping post is constant, and bumping post makes spray hose be connected thereto position at this time
Flow section by circular deformation ovalisation, the effective area of flow section reduces, and soil remediation medicament accelerates to spray at this time,
The effective area sprayed in horizontal direction is increased, while spray hose is wavy controls, increases and sprayed on vertical direction
Effective area, effectively improve the mixing efficiency of soil crushing Yu soil remediation medicament, when extruding gasbag restore to the original state when, will import
In No. three extension airbag inner cavities air extraction, spray hose restore to the original state, can make in this way spray hose interval carry out plus
Speed spray, reduces the usage amount of soil remediation medicament, improves the quality of soil remediation.
In the spray hose be arranged with connection ring at the link position of No. three extension airbags, and the inside of connection ring with
The tube wall of spray hose is bonded, and connection ring is for keeping spray hose to connect one section of flow section not with No. three extension airbags
Become.
When work, when No. three extension airbags push spray hose to move up deformation, connection ring keeps spray hose and No. three
The effective area that extension airbag connects one section of flow section is constant, and the effective area of flow section reduces at bumping post position, avoids
The flow section at the multiple positions of spray hose reduces simultaneously, consequently facilitating to the portion of soil remediation chemical tank separate in spray hose
Position supplement soil remediation medicament improves the efficiency of soil remediation so that soil remediation medicament uniformly sprays.
Beneficial effects of the present invention are as follows:
1. the present invention is by screening fine grinding quick lime, so that fine grinding quick lime and contaminated soil that partial size is small
Mixing sufficiently, convenient for improving the pH value of contaminated soil, effectively improves the remediation efficiency of contaminated soil, and by contaminated soil into
Row is preliminary broken, improves the crush efficiency of contaminated soil, and the hard impurity in contaminated soil is removed, hard impurity is avoided to damage
The prosthetic device of heavy-metal contaminated soil extends the service life of the prosthetic device of heavy-metal contaminated soil.
2. the present invention by spiral feeding shaft, funnel-form sieve plate and outer cylinder by being used cooperatively, convenient for funnel-form sieve plate
The pollution soil block at top carries out repeating crushing, so that the mixing of fine grinding quick lime powder and contaminated soil is abundant, accelerates heavy metal
The rate of Element generation hydroxide precipitating, effectively improves the efficiency of soil remediation；By slip collar in centrifugal force and crushing
Acting on crushing bar for unit is moved, to carry out to one section crushed on bar between slip collar and retaining collar clear
Reason removes the soil block for crushing and adhering on bar outer cylinder, reduces the workload of later period cleaning.
3. the present invention does periodic deformation under the action of crushing bar by extruding gasbag with certain frequency, thus band
Dynamic No.1 extension airbag and No. three extension airbags do reciprocal stretching, extension and contraction, drive L-type to dredge bar using No.1 extension airbag
The sieve pore of funnel-form sieve plate is dredged, the screening efficiency of funnel-form sieve plate is improved, is made using No. three extension airbags and bumping post
Spray hose does periodic deformation, to increase the effective area of horizontal and vertical square upward spraying, effectively improves soft
The contact probability of the mixture of calcium carbonate and clear water and smashed contaminated soil, so that soft calcium carbonate adds with heavy metal element
Fast response forms carbonate combine state precipitation of salts, and the content of Heavy Metals in Contaminated Soils element is effectively reduced, and improves Polluted Soil
The remediation efficiency of earth.
Detailed description of the invention
Fig. 1 is flow chart of the method for the present invention；
Fig. 2 is the structural schematic diagram of the prosthetic device of heavy-metal contaminated soil of the present invention；
Fig. 3 is partial enlarged view at A in Fig. 2；
Fig. 4 is partial enlarged view at B in Fig. 2；
Fig. 5 is partial enlarged view at C in Fig. 2；
Fig. 6 is partial enlarged view at D in Fig. 2；
In figure: cabinet 1, motor 11, soil remediation chemical tank 12, air flue 13, gas-guide tube 14, spiral feeding shaft 15, No.1
Gear 151, stirring rod 152, No.1 Elastic Teeth 153, outer cylinder 16, two gear 161, three gear 17, cavity 18, piston rod
181, it crushes bar 2, crush module 3, pulverizing unit 31, cleaning unit 32, arc cleaning steel disc 321, retaining collar 33, sliding sleeve
Ring 34, screening module 4, funnel-form sieve plate 41, dredging unit 42, No.1 extension airbag 421, L-type dredge bar 422, two and stretch
Air bag 43, spray module 5, spray hose 51,52, No. three extension airbags 53 of bumping post, squeezes connection 44, No. two Elastic Teeths 441 of frame
Module 6, extruding gasbag 61, elastic membrane 62, insertion column 63, driving lever 64.
Specific embodiment
It is carried out using restorative procedure of the Fig. 1 to Fig. 6 to a kind of heavy-metal contaminated soil of the invention as described below.
As shown in Figures 1 to 6, the restorative procedure of a kind of heavy-metal contaminated soil of the present invention, this method include such as
Lower step:
S1: fine grinding quick lime was taken to screen out appropriate partial size less than 0.2mm, calcium oxide content is between 80%-90%
Fine grinding quick lime reacts with water and generates the pH value that calcium hydroxide improves contaminated soil；It is reacted by calcium oxide with water and generates hydrogen-oxygen
Change calcium, improve the pH value of contaminated soil, promotes the heavy metal element in contaminated soil to form hydroxide precipitating, dirt is effectively reduced
Contaminate the content of heavy metals in soil；
S2: by contaminated soil coarse crushing to be repaired and the hard impurities such as contaminated soil medium stone are removed, by the dirt after coarse crushing
Fine grinding quick lime in dye soil and S1, which is added in blender, to be stirred, and mixed soil is obtained；It is preliminary by being carried out to contaminated soil
It is broken, the hard impurity in contaminated soil is removed, the prosthetic device of hard impurity damage heavy-metal contaminated soil is avoided, extends
The service life of the prosthetic device of heavy-metal contaminated soil；
S3: will be in the cabinet in the prosthetic device of the mixed soil investment heavy-metal contaminated soil in S2；Utilize heavy metal
The prosthetic device of contaminated soil crushes contaminated soil, is conducive to the efficiency for improving soil remediation；
S4: the soil remediation chemical tank in S3 on cabinet is added after appropriate soft calcium carbonate powder is mixed sufficiently with clear water
In；Soft calcium carbonate is made by chemical method, and impurity content is few, using calcium oxide and clear water exothermic heat of reaction, so that soft carbonic acid
Calcium is reacted with heavy metal element quickening, forms carbonate combine state precipitation of salts, Heavy Metals in Contaminated Soils element is effectively reduced
Content；
S5: opening the motor in S4 on cabinet, crushes outer cylinder rotation to mixed soil using motor；
As shown in Figures 2 to 6, the prosthetic device of heavy-metal contaminated soil of the S3 into S5 includes cabinet 1, outer cylinder
16, spiral feeding shaft 15 and crushing bar 2；The top of the cabinet 1 is equipped with motor 11, and cabinet 1 is internally provided with spiral transferring
Expect axis 15, the outside for being internally located at spiral feeding shaft 15 of cabinet 1 is rotatably connected to outer cylinder 16, and the inner wall and spiral of outer cylinder 16
The side edge of feeding shaft 15 is touched, and the bottom of 1 top plate of cabinet, which is located between 16 inner wall of spiral feeding shaft 15 and outer cylinder, to be rotatablely connected
There are No. three gears 17, the lower section that spiral feeding shaft 15 is corresponded on the inner wall of cabinet 1 is equipped with screening module 4, the interior position of cabinet 1
It is equipped with spray module 5 in the bottom of screening module 4, the corresponding spray module 5 in the outside of cabinet 1 is equipped with soil remediation chemical tank
12, the lower section for being internally located at spray module 5 of cabinet 1 is provided with stirring rod 152, and the side of 1 inner wall of cabinet is equipped with two groups and squeezes
Die block 6, corresponding squeeze offers cavity 18 at 6 position of module on the wall thickness of cabinet 1, and the inside of cavity 18 is slidably connected
There is piston rod 181, the outside of cabinet 1 is equipped with gas-guide tube 14, and gas-guide tube 14 is connected to two cavitys 18；The motor 11 with
Spiral feeding shaft 15 is sequentially connected, and is arranged with one at corresponding No. three 17 positions of gear on the outer cylinder at 15 top of spiral feeding shaft
Number gear 151, the top that spiral feeding shaft 15 is used to that the soil block at 4 top of screening module to be made to be transferred to cabinet 1 again；The stirring
The connected shaft of center position at 152 top of bar, and the top of shaft passes through screening module 4 and the bottom end of spiral feeding shaft 15 is solid
Even, stirring rod 152 is for mixing soil remediation medicament with soil crushing sufficiently；It is No. three corresponding on the inner wall at 16 top of outer cylinder
Be connected No. two gears 161 at 17 position of gear, wherein and No. three gears 17 are engaged with No.1 gear 151 and No. two gears 161,
There are two the arc groove opened up at the top of outer cylinder 16, the outer cylinder two sides of outer cylinder 16 and two groups of 6 corresponding positions of extruding module are all provided with
Bar 2 is crushed, and crushes and is provided with three groups of crushing modules 3 on bar 2, bar 2 is crushed and crushing module 3 is used to make clods breaking；
Wherein,
The crushing module 3 includes pulverizing unit 31, cleaning unit 32, retaining collar 33 and slip collar 34；It is described solid
Determine lantern ring 33 and slip collar 34 is set in and crushes on bar 2, retaining collar 33 and crushing bar 2 are connected, slip collar 34 and powder
Broken bar 2 is slidably connected, and cleaning unit 32 is provided on slip collar 34, and slip collar 34 is used for the outer cylinder for crushing bar 2
It is cleared up, is hinged with pulverizing unit 31 between the top of two lantern rings between bottom end；The pulverizing unit 31 is by two
Crushing cutter is hingedly made up of torsional spring, and two crushing cutters are for crushing soil；
The extruding module 6 includes extruding gasbag 61；The extruding gasbag 61 is arranged on the inner wall of cabinet 1, and cabinet 1
Wall thickness on correspond to and offer air flue 13 at 61 position of extruding gasbag, air flue 13 is connected to extruding gasbag 61, squeezes extruding gasbag
The connected driving lever 64 in the outside at 61 tops；The screening module 4 includes funnel-form sieve plate 41 and dredging unit 42；The funnel-form sieve
Uniformly distributed sieve pore on plate 41, the corresponding sieve hole location in the inside of funnel-form sieve plate 41 are provided with dredging unit 42, funnel-form sieve plate 41
Inside offer air guide channel, and air guide channel is connected to by hose with the bottom end of air flue 13, funnel-form sieve plate 41 and cabinet 1
Inner wall between be slidably connected, between the bottom of 41 one end of funnel-form sieve plate and the inner wall of cabinet 1 be equipped with No. two extension airbags 43,
And No. two extension airbags 43 are connected to the bottom end of gas-guide tube 14, the inner wall of the bottom of 41 other end of funnel-form sieve plate and cabinet 1 it
Between be equipped with buffer spring, No. two extension airbags 43 move horizontally piston rod 181 when compressing；The dredging unit 42 includes No.1
Extension airbag 421 and L-type dredge bar 422, and dredging unit 42 is for dredging sieve pore；The L-type dredging bar 422 is arranged in
The horizontal segment of the inside of sieve pore, L-type dredging bar 422 is connect with No.1 extension airbag 421；The No.1 extension airbag 421 with lead
The connection of gas channel, No.1 extension airbag 421 are mobile for making L-type dredging 422 position of bar；One end of the piston rod 181 passes through
Cabinet 1 extends to the inside of cabinet 1, and 181 one end of piston rod corresponds to multiple latches that are connected at 64 position of driving lever, and multiple latches are used
In make driving lever 64 vibrate.
When work, inlet port and outlet port are respectively equipped in the top and bottom of cabinet 1, motor 11 is opened and drives spiral transferring
Expect that axis 15 rotates, No.1 gear 151 drives No. two gears 161 to rotate by No. three gears 17, at this point, outer cylinder 16 rotates with,
And the rotation direction of outer cylinder 16 and the rotation direction of spiral feeding shaft 15 crush the rotation of bar 2 on the contrary, outer cylinder 16 drives, and crush bar 2
On slip collar 34 be subject to centrifugal forces, mobile to the direction far from outer cylinder 16, pulverizing unit 31 opens, and repairs to soil
Suitable soil remediation medicament is added in the inside of multiple chemical tank 12, water pump is installed in soil remediation chemical tank 12, by soil remediation
Suitable soil is added to the inside of cabinet 1 by feed inlet in medicament discharge, and pulverizing unit 31 will be native when rotating with crushing bar 2
Earth crushes, and the top that smashed soil block falls to funnel-form sieve plate 41 is sieved, and soil block is small to fall to funnel through sieve pore
The lower section of shape sieve plate 41, the big accumulation of soil block is in the center position at the top of funnel-form sieve plate 41, and spiral feeding shaft 15 is by block diameter
Big soil block is transferred to top again, then the arc groove discharge through opening up at the top of outer cylinder 16, through crushing bar 2 and pulverizing unit 31
It crushes again, so that the big soil block of block diameter be carried out to repeat crushing, effectively increases the crush efficiency of soil, accelerate soil remediation
Efficiency, mixed finally, soil crushing falls to the bottom of cabinet 1 with the soil remediation medicament that spray module 5 is discharged, stirring rod
152 are stirred, and repair the soil finished and are discharged by discharge port.
After soil remediation, motor 11 shuts down, and outer cylinder 16 stops operating, and slip collar 34 is no longer influenced by centrifugation
The effect of power, torsional spring make two crushing cutters close to each other, drive slip collar 34 mobile to the direction of retaining collar 33, thus
One section crushed on bar 2 between slip collar 34 and retaining collar 33 is cleared up, is removed attached on crushing 2 outer cylinder of bar
Soil block, reduce the later period cleaning workload；
Spherical roller can be installed in the one end for crushing bar 2, damage extruding gasbag 61 be avoided, when crushing 2 per revolution of bar
When, spherical roller once squeezes extruding gasbag 61, and extruding gasbag 61 is squeezed, and the air in inner cavity is successively through air flue
13, hose, air guide channel import in the inner cavity of multiple No.1 extension airbags 421, and the expansion stretching, extension of No.1 extension airbag 421 pushes L
Type dredges bar 422 in the medial movement of sieve pore, and when spherical roller is separated with extruding gasbag 61, extruding gasbag 61 stretches No.1
Air extraction in 421 inner cavity of air bag makes L-type dredging bar 422 do weight in this way at this point, L-type dredging bar 422 restores origin-location
Multiple movement effectively improves the screening efficiency of funnel-form sieve plate 41 convenient for dredging to sieve pore；When soil block falls to funnel-form
When on the top of sieve plate 41, apply downward active force to funnel-form sieve plate 41, funnel-form sieve plate 41 moves down, at this point, No. two are stretched
Contracting air bag 43 is squeezed contraction, and the air in No. two 43 inner cavities of extension airbag imports the inside of cavity 18 through gas-guide tube 14, leads
The air push piston rod 181 entered Slideslip to the left, when piston rod 181 slides, latch is stirred with driving lever 64, when latch and
When driving lever 64 separates, the rebound of driving lever 64 drives extruding gasbag 61 to vibrate, to remove the soil of the attachment on 61 outer wall of extruding gasbag
Block improves the working efficiency of extruding gasbag 61.
The cleaning unit 32 includes arc cleaning steel disc 321 and cleaning sleeve；The quantity of the arc cleaning steel disc 321
It is four, arc cleaning steel disc 321 is equiangularly arranged in a ring on the basis of the center of slip collar 34, and arc clears up steel disc 321
It is connected with the side of slip collar 34, be connected elastic piece between two arc cleaning steel discs 321 of arbitrary neighborhood；The cleaning sleeve
It is connected with the other side of slip collar 34.
When work, when outer cylinder 16 stops operating, slip collar 34 is to close to the movement of the direction of outer cylinder 16, slip collar 34
When mobile, arc cleaning steel disc 321 makes that the soil block adhered on 2 outer cylinder of bar will be crushed to be separated with bar 2 is crushed, when arc cleaning steel
After one end of piece 321 is in contact with retaining collar 33, slip collar 34 is continued to move to, and arc cleaning steel disc 321 is squeezed arch
It rises, soil block is separated with bar 2 is crushed, when arc cleaning steel disc 321 arches upward, between two arc cleaning steel discs 321 of arbitrary neighborhood
Elastic piece separated with the outer cylinder for crushing bar 2, convenient for removing the soil block between arbitrary neighborhood two arcs cleaning steel discs 321,
When mobile to the direction far from outer cylinder 16 when slip collar 34, cleaning sleeve equally clears up the outer cylinder for crushing bar 2, this
Sample effectively improves the clean level for crushing bar 2.
The extruding module 6 further includes elastic membrane 62 and insertion column 63；The elastic membrane 62 is arranged in extruding gasbag 61
Inside offers circular hole in elastic membrane 62；It is described insertion column 63 and extruding gasbag 61 inner wall be connected, be embedded in column 63 position with
The position of circular hole is corresponding, and one end of insertion column 63 is connected round table-like embedded block, and the outer diameter of round table-like embedded block small end is less than circle
The internal diameter in hole, the outer diameter of round table-like embedded block big end are greater than the internal diameter of circular hole, the small end of round table-like embedded block and the inner wall of cabinet 1
Between be connected squeeze spring.
When work, when crushing the rotation of bar 2, crushing bar 2 and extruding gasbag 61 is squeezed, extruding gasbag 61 is shunk, this
When, insertion column 63 is embedded in the rotary table of 63 one end of column when extruding gasbag 61 continues to shrink to close to the movement of the direction of elastic membrane 62
Shape embedded block passes through circular hole, squeezes spring contraction, when crushing bar 2 is separated with extruding gasbag 61, squeezes recoil of spring, pushes circle
The big end of mesa-shaped embedded block passes through circular hole, and when round table-like embedded block is separated with the circular hole in elastic membrane 62, elastic membrane 62 is vibrated, and squeezes
Pressuring gasbag 61 vibrates therewith, and the soil block be conducive on 61 outer wall of extruding gasbag falls off, and reduces the workload of later period cleaning, meanwhile,
Squeezing spring accelerates extruding gasbag 61 to spring back, and improves the sensitivity of the deformation of extruding gasbag 61, easy to use.
The bottom end of the spiral feeding shaft 15 is angularly connected multiple No.1 Elastic Teeths 153 in a ring；The funnel-form sieve
Connection frame 44 is installed on the inside of 41 bottom end of plate, and connects multiple No. two Elastic Teeths 441 that are connected on the bottom plate on the inside of frame 44, No. two
Elastic Teeth 441 is interspersed with No.1 Elastic Teeth 153.
When work, when spiral feeding shaft 15 rotates, No.1 Elastic Teeth 153 is rotated with, No.1 Elastic Teeth 153 and No. two
Elastic Teeth 441 first contacts to be separated again, and when No.1 Elastic Teeth 153 is separated with No. two Elastic Teeths 441, No. two Elastic Teeths 441 make to connect
It connects frame 44 and does duplicate vibration, connection frame 44 drives funnel-form sieve plate 41 to vibrate, to improve the screening effect of funnel-form sieve plate 41
Rate, meanwhile, vibration changes the relative position on the inside of sieve pore between soil block, avoids sieve pore blockade, is guaranteeing funnel-form sieve plate 41 just
It is often used.
The spray module 5 includes 51, No. three extension airbags 53 of spray hose and bumping post 52；The spray hose 51 is installed
On the inner wall of cabinet 1, spray hose 51 is connected to soil remediation chemical tank 12；It is soft to be located at spray on the inner wall of the cabinet 1
The lower section of pipe 51 is connected multiple No. three extension airbags 53 by fixed plate, and the top of No. three extension airbags 53 and spray hose 51
It is connected, be connected between two No. three extension airbags 53 of arbitrary neighborhood bumping post 52 on the inner wall of cabinet 1, the wall thickness of cabinet 1
Upper correspondence offers circular passage at No. three 53 positions of extension airbag；The circular passage is connected to No. three extension airbags 53, ring
Shape channel is connected to the bottom end of air flue 13；The bumping post 52 is arranged in the top of spray hose 51, the outer cylinder of bumping post 52 and spray
The tube wall of leaching hose 51 is in contact；No. three extension airbags 53 are for deforming spray hose 51.
When work, extruding gasbag 61 does periodic deformation under the action of crushing bar 2 with certain frequency, when extruding gas
When capsule 61 is squeezed contraction, the air in 61 inner cavity of extruding gasbag is imported in No. three extension airbags 53, No. three extension airbags 53
Expansion stretching, extension pushes spray hose 51 to be in contact with it at position and moves up, and the position of bumping post 52 is constant, and bumping post 52 to spray at this time
Hose 51 is connected thereto the flow section at position by circular deformation ovalisation, and the effective area of flow section reduces, native at this time
Earth repairs medicament and accelerates to spray, and increases the effective area sprayed in horizontal direction, while spray hose 51 is wavy controls,
The effective area sprayed on vertical direction is increased, the mixing efficiency of soil crushing Yu soil remediation medicament is effectively improved, works as extruding
When air bag 61 restores to the original state, the air imported in No. three 53 inner cavities of extension airbag is extracted out, spray hose 51 restores to the original state, in this way
Can make 51 interval of spray hose carries out acceleration spray, reduces the usage amount of soil remediation medicament, improves soil remediation
Quality.
In the spray hose 51 be arranged with connection ring at the link position of No. three extension airbags 53, and connection ring is interior
Side is Nian Jie with the tube wall of spray hose 51, the mistake that connection ring is used to that spray hose 51 to be kept to connect one section with No. three extension airbags 53
Flow section is constant.
When work, when No. three extension airbags 53 push spray hose 51 to move up deformation, connection ring keeps spray hose 51
The effective area for connecting one section of flow section with No. three extension airbags 53 is constant, the effective area of flow section at 52 position of bumping post
Reduce, avoid the flow section at a position of spray hose more than 51 while reducing, consequently facilitating to soil separate in spray hose 51
The position supplement soil remediation medicament for repairing chemical tank 12 improves the effect of soil remediation so that soil remediation medicament uniformly sprays
Rate
Specifically used process is as follows:
In use, being respectively equipped with inlet port and outlet port in the top and bottom of cabinet 1, opens motor 11 and drive spiral transferring
Expect that axis 15 rotates, No.1 gear 151 drives No. two gears 161 to rotate by No. three gears 17, at this point, outer cylinder 16 rotates with,
And the rotation direction of outer cylinder 16 and the rotation direction of spiral feeding shaft 15 crush the rotation of bar 2 on the contrary, outer cylinder 16 drives, and crush bar 2
On slip collar 34 be subject to centrifugal forces, mobile to the direction far from outer cylinder 16, pulverizing unit 31 opens, and repairs to soil
The mixture of suitable soft calcium carbonate and clear water is added in the inside of multiple chemical tank 12, installs water in soil remediation chemical tank 12
Pump, mixture is discharged, and suitable mixed soil, pulverizing unit 31 and crushing bar 2 is added to the inside of cabinet 1 by feed inlet
Mixed soil is crushed when rotation, the top that smashed soil block falls to funnel-form sieve plate 41 is sieved, the small warp of soil block
Sieve pore falls to the lower section of funnel-form sieve plate 41, center position of the big accumulation of soil block at 41 top of funnel-form sieve plate, spiral
The big soil block of block diameter is transferred to top by feeding shaft 15 again, then the arc groove discharge through opening up at the top of outer cylinder 16, through crushing
Bar 2 crushes again with pulverizing unit 31, so that the big soil block of block diameter be carried out to repeat crushing；
After soil remediation, motor 11 shuts down, and outer cylinder 16 stops operating, and slip collar 34 is no longer influenced by centrifugal force
Effect, torsional spring makes two crushing cutters close to each other, drives slip collar 34 mobile to the direction of retaining collar 33, thus right
It crushes one section on bar 2 between slip collar 34 and retaining collar 33 to be cleared up, removes to crush and adhere on 2 outer cylinder of bar
Soil block；When slip collar 34 is mobile, arc cleaning steel disc 321 makes that the soil block adhered on 2 outer cylinder of bar will be crushed and crushes bar 2
Separation, after one end of arc cleaning steel disc 321 is in contact with retaining collar 33, slip collar 34 is continued to move to, arc cleaning
Steel disc 321, which is squeezed, to arch upward, and soil block is separated with bar 2 is crushed, when arc cleaning steel disc 321 arches upward, two arcs of arbitrary neighborhood
Elastic piece between shape cleaning steel disc 321 is separated with the outer cylinder for crushing bar 2, and cleaning sleeve is equally to the outer cylinder for crushing bar 2
It is cleared up, spherical roller can be installed in the one end for crushing bar 2, damage extruding gasbag 61 be avoided, when crushing 2 per revolution of bar
When, spherical roller once squeezes extruding gasbag 61, and extruding gasbag 61 is squeezed, and the air in inner cavity is successively through air flue
13, hose, air guide channel import in the inner cavity of multiple No.1 extension airbags 421, and the expansion stretching, extension of No.1 extension airbag 421 pushes L
Type dredges bar 422 in the medial movement of sieve pore, and when spherical roller is separated with extruding gasbag 61, extruding gasbag 61 stretches No.1
Air extraction in 421 inner cavity of air bag makes L-type dredging bar 422 do weight in this way at this point, L-type dredging bar 422 restores origin-location
Multiple movement effectively improves the screening efficiency of funnel-form sieve plate 41 convenient for dredging to sieve pore；
When soil block is fallen on the top of funnel-form sieve plate 41, apply downward active force to funnel-form sieve plate 41, leaks
Bucket-shaped sieve plate 41 moves down, at this point, No. two extension airbags 43 are squeezed contraction, the air in No. two 43 inner cavities of extension airbag is through leading
Tracheae 14 imports the inside of cavity 18, the air push piston rod 181 of importing Slideslip to the left, when piston rod 181 slides, latch
It is stirred with driving lever 64, when latch is separated with driving lever 64, the rebound of driving lever 64 drives extruding gasbag 61 to vibrate, and squeezes to remove
The soil block of attachment on 61 outer wall of pressuring gasbag, when extruding gasbag 61 is shunk, insertion column 63 is moved to the direction close to elastic membrane 62
Dynamic, when extruding gasbag 61 continues to shrink, the round table-like embedded block of insertion 63 one end of column passes through circular hole, squeezes spring contraction, when
When crushing bar 2 is separated with extruding gasbag 61, recoil of spring is squeezed, the big end of round table-like embedded block is pushed to pass through circular hole, it is round table-like
When embedded block is separated with the circular hole in elastic membrane 62, elastic membrane 62 is vibrated, and extruding gasbag 61 vibrates therewith, is conducive to extruding gasbag
Soil block on 61 outer walls falls off, and when crushing the rotation of bar 2, crushes bar 2 and squeezes extruding gasbag 61, extruding gasbag 61 is received
Contracting, at this point, insertion column 63 is embedded in 63 one end of column when extruding gasbag 61 continues to shrink to close to the movement of the direction of elastic membrane 62
Round table-like embedded block pass through circular hole, squeeze spring contraction, when crush bar 2 separated with extruding gasbag 61 when, extruding recoil of spring,
The big end of round table-like embedded block is pushed to pass through circular hole, when round table-like embedded block is separated with the circular hole in elastic membrane 62, elastic membrane 62
Vibration, extruding gasbag 61 vibrate therewith, and the soil block be conducive on 61 outer wall of extruding gasbag falls off；
Extruding gasbag 61 does periodic deformation under the action of crushing bar 2 with certain frequency, when extruding gasbag 61 by
To when squeezing contraction, the air in 61 inner cavity of extruding gasbag is imported in No. three extension airbags 53, and No. three expansions of extension airbags 53 are stretched
Exhibition pushes spray hose 51 to be in contact with it at position and moves up, and the position of bumping post 52 is constant, and bumping post 52 makes spray hose 51 at this time
The flow section at position is connected thereto by circular deformation ovalisation, the effective area of flow section reduces, at this time soil remediation
Medicament accelerates to spray, and increases the effective area sprayed in horizontal direction, while spray hose 51 is wavy controls, increases
The effective area sprayed on vertical direction effectively improves the mixing efficiency of soil crushing and mixture, when extruding gasbag 61 restores former
When shape, the air imported in No. three 53 inner cavities of extension airbag is extracted out, spray hose 51 restores to the original state, and can make to spray so soft
51 interval of pipe carries out acceleration spray, when spray hose 51 moves up deformation, connection ring keep spray hose 51 with No. three stretch
The effective area that air bag 53 connects one section of flow section is constant, and the effective area of flow section reduces at 52 position of bumping post, avoids
The flow section at a position of spray hose more than 51 reduces simultaneously, consequently facilitating to soil remediation chemical tank separate in spray hose 51
12 position supplements mixture.
More than, it is illustrated about one embodiment of the present invention, but the present invention is not limited to the above embodiments, not
Various changes are able to carry out in the range of disengaging present subject matter.
Industrial applicibility
According to the present invention, by being screened to fine grinding quick lime, so that fine grinding quick lime and pollution that partial size is small
Soil mixing sufficiently, convenient for improving the pH value of contaminated soil, effectively improves the remediation efficiency of contaminated soil, and by Polluted Soil
Earth be tentatively crushed, and improves the crush efficiency of contaminated soil, the hard impurity in contaminated soil is removed, hard impurity is avoided
The prosthetic device for damaging heavy-metal contaminated soil, extends the service life of the prosthetic device of heavy-metal contaminated soil；Therefore should
The restorative procedure of heavy-metal contaminated soil is useful in technical field of soil remediation.
Claims (6)
1. a kind of restorative procedure of heavy-metal contaminated soil, which is characterized in that this method comprises the following steps:
S1: fine grinding quick lime was taken to screen out appropriate partial size less than 0.2mm, fine grinding of the calcium oxide content between 80%-90%
Quick lime reacts with water and generates the pH value that calcium hydroxide improves contaminated soil；It is reacted by calcium oxide with water and generates calcium hydroxide,
The pH value for improving contaminated soil promotes the heavy metal element in contaminated soil to form hydroxide precipitating, Polluted Soil is effectively reduced
The content of heavy metal element in earth；
S2: by contaminated soil coarse crushing to be repaired and the hard impurities such as contaminated soil medium stone are removed, by the Polluted Soil after coarse crushing
Fine grinding quick lime in earth and S1, which is added in blender, to be stirred, and mixed soil is obtained；It is tentatively broken by being carried out to contaminated soil,
Hard impurity in contaminated soil is removed, the prosthetic device of hard impurity damage heavy-metal contaminated soil is avoided, extends weight
The service life of the prosthetic device of metallic pollution soil；
S3: will be in the cabinet in the prosthetic device of the mixed soil investment heavy-metal contaminated soil in S2；Utilize heavy metal pollution
The prosthetic device of soil crushes contaminated soil, is conducive to the efficiency for improving soil remediation；
S4: it is added after appropriate soft calcium carbonate powder is mixed sufficiently with clear water in the soil remediation chemical tank in S3 on cabinet；
Soft calcium carbonate is made by chemical method, and impurity content is few, using calcium oxide and clear water exothermic heat of reaction so that soft calcium carbonate with
Heavy metal element accelerates reaction, forms carbonate combine state precipitation of salts, containing for Heavy Metals in Contaminated Soils element is effectively reduced
Amount；
S5: opening the motor in S4 on cabinet, crushes outer cylinder rotation to mixed soil using motor；
The prosthetic device of heavy-metal contaminated soil of the S3 into S5 includes cabinet (1), outer cylinder (16), spiral feeding shaft (15)
With crushing bar (2)；It is equipped with motor (11) at the top of the cabinet (1), cabinet (1) is internally provided with spiral feeding shaft
(15), being internally located on the outside of spiral feeding shaft (15) for cabinet (1) is rotatably connected to outer cylinder (16), and the inner wall of outer cylinder (16)
It is touched with the side edge of spiral feeding shaft (15), the bottom of cabinet (1) top plate is located in spiral feeding shaft (15) and outer cylinder (16)
It is rotatably connected to No. three gears (17) between wall, is corresponded on the inner wall of cabinet (1) below spiral feeding shaft (15) and sieve is installed
Modeling block (4), the bottom for being internally located at screening module (4) of cabinet (1) are equipped with spray module (5), and the outside of cabinet (1) is corresponding
Spray module (5) is equipped with soil remediation chemical tank (12), and being internally located at below spray module (5) for cabinet (1) is provided with
Stirring rod (152), the side of cabinet (1) inner wall are equipped with two groups of extruding modules (6), correspond to extrusion die on the wall thickness of cabinet (1)
It is offered cavity (18) at block (6) position, and slidably connects piston rod (181) on the inside of cavity (18), outside cabinet (1)
Side is equipped with gas-guide tube (14), and gas-guide tube (14) is connected to two cavitys (18)；The motor (11) and spiral feeding shaft
(15) it is sequentially connected, and is arranged with No.1 tooth at corresponding No. three gear (17) positions on the outer cylinder at the top of spiral feeding shaft (15)
It takes turns (151), the top that spiral feeding shaft (15) is used to that the soil block at the top of screening module (4) to be made to be transferred to cabinet (1) again；It is described
The connected shaft of center position at the top of stirring rod (152), and the top of shaft passes through screening module (4) and spiral feeding shaft
(15) bottom end is connected, and stirring rod (152) is for mixing soil remediation medicament with soil crushing sufficiently；At the top of the outer cylinder (16)
Inner wall on be connected at corresponding No. three gear (17) positions No. two gears (161), wherein No. three gears (17) and No.1 gear
(151) it is engaged with No. two gears (161), the arc groove opened up at the top of outer cylinder (16), the outer cylinder two sides and two of outer cylinder (16)
Group extruding module (6) corresponding position crushes bar (2) there are two being all provided with, and crushes and be provided with three groups of crushing modules on bar (2)
(3), bar (2) are crushed and crush module (3) and are used to make clods breaking；Wherein,
The crushing module (3) includes pulverizing unit (31), cleaning unit (32), retaining collar (33) and slip collar (34)；
The retaining collar (33) and slip collar (34), which are set in, to be crushed on bar (2), and retaining collar (33) and crushing bar (2) are solid
Even, slip collar (34) is slidably connected with bar (2) are crushed, and cleaning unit (32), sliding sleeve are provided on slip collar (34)
Ring (34) is used to clear up the outer cylinder for crushing bar (2), and powder is hinged between bottom end between the top of two lantern rings
Broken unit (31)；The pulverizing unit (31) is hingedly made up of two crushing cutters torsional spring, and two crushing cutters are used for soil
It crushes；
The extruding module (6) includes extruding gasbag (61)；The extruding gasbag (61) is arranged on the inner wall of cabinet (1), and
It corresponds on the wall thickness of cabinet (1) and is offered air flue (13) at extruding gasbag (61) position, air flue (13) and extruding gasbag (61) are even
It is logical, it squeezes the outside at the top of extruding gasbag (61) and is connected driving lever (64)；The screening module (4) include funnel-form sieve plate (41) and
It dredges unit (42)；Uniformly distributed sieve pore on the funnel-form sieve plate (41), the corresponding sieve hole location in the inside of funnel-form sieve plate (41)
It is provided with dredging unit (42), the inside of funnel-form sieve plate (41) offers air guide channel, and air guide channel passes through hose and gas
The bottom end in road (13) is connected to, and is slidably connected between funnel-form sieve plate (41) and the inner wall of cabinet (1), funnel-form sieve plate (41) one end
Bottom and cabinet (1) inner wall between be equipped with No. two extension airbags (43), and No. two extension airbags (43) and gas-guide tube (14)
Bottom end connection, between the bottom of funnel-form sieve plate (41) other end and the inner wall of cabinet (1) be equipped with buffer spring, No. two stretch
Air bag (43) moves horizontally piston rod (181) when compressing；The dredging unit (42) includes No.1 extension airbag (421) and L
Type dredges bar (422), and dredging unit (42) is for dredging sieve pore；L-type dredging bar (422) is arranged in the interior of sieve pore
The horizontal segment of side, L-type dredging bar (422) is connect with No.1 extension airbag (421)；The No.1 extension airbag (421) and air guide
Channel connection, No.1 extension airbag (421) are mobile for making L-type dredging bar (422) position；One end of the piston rod (181)
The inside of cabinet (1) is extended to across cabinet (1), piston rod (181) one end corresponds to multiple latches that are connected at driving lever (64) position,
And multiple latches are for vibrating driving lever (64).
2. a kind of restorative procedure of heavy-metal contaminated soil according to claim 1, it is characterised in that: the cleaning unit
It (32) include arc cleaning steel disc (321) and cleaning sleeve；The quantity of arc cleaning steel disc (321) is four, arc cleaning
Steel disc (321) is equiangularly arranged in a ring on the basis of the center of slip collar (34), and arc clears up steel disc (321) and sliding sleeve
The side of ring (34) is connected, and be connected elastic piece between two arc cleanings steel disc (321) of arbitrary neighborhood；The cleaning sleeve and cunning
The other side of dynamic lantern ring (34) is connected.
3. a kind of restorative procedure of heavy-metal contaminated soil according to claim 1, it is characterised in that: the extruding module
It (6) further include elastic membrane (62) and insertion column (63)；The elastic membrane (62) is arranged in the inside of extruding gasbag (61), elastic membrane
(62) circular hole is offered on；The inner wall of insertion column (63) and extruding gasbag (61) is connected, and is embedded in position and the circle of column (63)
The position in hole is corresponding, and one end of insertion column (63) is connected round table-like embedded block, and the outer diameter of round table-like embedded block small end is less than circle
The internal diameter in hole, the outer diameter of round table-like embedded block big end are greater than the internal diameter of circular hole, and the small end of round table-like embedded block is interior with cabinet (1)
It is connected between wall and squeezes spring.
4. a kind of restorative procedure of heavy-metal contaminated soil according to claim 1, it is characterised in that: the spiral conveying
The bottom end of axis (15) is angularly connected multiple No.1 Elastic Teeths (153) in a ring；The inside of funnel-form sieve plate (41) bottom end
Connection frame (44) is installed, and connects multiple No. two Elastic Teeths (441) that are connected on the bottom plate on the inside of frame (44), No. two Elastic Teeths
(441) it is interspersed with No.1 Elastic Teeth (153).
5. a kind of restorative procedure of heavy-metal contaminated soil according to claim 1, it is characterised in that: the spray module
It (5) include spray hose (51), No. three extension airbags (53) and bumping post (52)；The spray hose (51) is mounted on cabinet (1)
Inner wall on, spray hose (51) is connected to soil remediation chemical tank (12)；It is located at spray hose on the inner wall of the cabinet (1)
(51) lower section is connected multiple No. three extension airbags (53) by fixed plate, and the top of No. three extension airbags (53) and spray are soft
It manages (51) to be connected, is connected bumping post (52) between two No. three extension airbags (53) of arbitrary neighborhood on the inner wall of cabinet (1),
Circular passage is offered at corresponding No. three extension airbag (53) positions on the wall thickness of cabinet (1)；It is stretched with No. three the circular passage
Contracting air bag (53) connection, circular passage is connected to the bottom end of air flue (13)；The bumping post (52) is arranged in spray hose (51)
The outer cylinder of top, bumping post (52) is in contact with the tube wall of spray hose (51)；No. three extension airbags (53) are for making to spray
Drench hose (51) deformation.
6. a kind of restorative procedure of heavy-metal contaminated soil according to claim 5, it is characterised in that: the spray hose
(51) on be arranged with connection ring at the link position of No. three extension airbags (53), and the inside of connection ring and spray hose (51)
Tube wall bonding, connection ring is for keeping spray hose (51) to connect one section of flow section not with No. three extension airbags (53)
Become.
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| CN110420982A (en) * | 2019-08-09 | 2019-11-08 | 姚爽 | A kind of ecological type soil restorative procedure |
| 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 |
| CN114653744A (en) * | 2022-03-16 | 2022-06-24 | 北京北控生态建设集团有限公司 | Contaminated soil solidification stabilization system |
| CN117206091A (en) * | 2023-11-09 | 2023-12-12 | 河北省产品质量监督检验研究院 | Sample processing device for farmland soil mulch film residue detection |
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| CN110420982A (en) * | 2019-08-09 | 2019-11-08 | 姚爽 | A kind of ecological type soil restorative procedure |
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| CN114653744A (en) * | 2022-03-16 | 2022-06-24 | 北京北控生态建设集团有限公司 | Contaminated soil solidification stabilization system |
| CN117206091A (en) * | 2023-11-09 | 2023-12-12 | 河北省产品质量监督检验研究院 | Sample processing device for farmland soil mulch film residue detection |
| CN117206091B (en) * | 2023-11-09 | 2024-01-30 | 河北省产品质量监督检验研究院 | Sample processing device for farmland soil mulch film residue detection |
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