CN109290355A - A kind of method and its complexes for soil remediation - Google Patents
A kind of method and its complexes for soil remediation Download PDFInfo
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- CN109290355A CN109290355A CN201810978887.XA CN201810978887A CN109290355A CN 109290355 A CN109290355 A CN 109290355A CN 201810978887 A CN201810978887 A CN 201810978887A CN 109290355 A CN109290355 A CN 109290355A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09C—RECLAMATION OF CONTAMINATED SOIL
- B09C1/00—Reclamation of contaminated soil
- B09C1/02—Extraction using liquids, e.g. washing, leaching, flotation
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09C—RECLAMATION OF CONTAMINATED SOIL
- B09C1/00—Reclamation of contaminated soil
- B09C1/06—Reclamation of contaminated soil thermally
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09C—RECLAMATION OF CONTAMINATED SOIL
- B09C1/00—Reclamation of contaminated soil
- B09C1/08—Reclamation of contaminated soil chemically
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09C—RECLAMATION OF CONTAMINATED SOIL
- B09C1/00—Reclamation of contaminated soil
- B09C1/10—Reclamation of contaminated soil microbiologically, biologically or by using enzymes
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Abstract
The present invention provides a kind of methods and its complexes for soil remediation, belong to technical field of soil remediation.A kind of method and its complexes for soil remediation, method includes the following steps: a is loose: contaminated soil is collected in the complexes for being used for soil remediation, complexes for soil remediation include workbench, it is provided with washing cylinder, mixing drum and screen cylinder on workbench, stirs loose；B washing: it fills the water into the soil after loose, is stood after stirring；C is dry: the soil after washing is carried out heating stirring；D adds soil-repairing agent: the intermittent soil by after drying is stirred with soil-repairing agent to be mixed；E screening: the soil after soil-repairing agent is screened according to granularity；F humidification: watering is added to the soil of screening, and adds composite microbiological fertilizer or complex microorganism bacterium solution.Operation of the present invention is simple, and entire repair process environmental protection is sustainable, more effectively realizes and repairs to soil.
Description
Technical field
The invention belongs to technical field of soil remediation, are related to a kind of method and its complexes for soil remediation.
Background technique
Soil remediation is the technical measures for making to restore by contaminated soil normal function.In soil remediation industry, have
Soil restoring technology reach more than 100 kinds, common technology also has more than ten kinds, is broadly divided into physics, chemistry and biological three kinds of sides
Method.Since the 80's of 20th century, in the world many national particularly developed countries formulate and carried out contaminated soil administer with
Rehabilitation plan, therefore also form an emerging soil remediation industry.
Chinese soil environmental aspect totally allows of no optimist, and national soil pollution exceeding standard rate is discarded in industry and mining up to 16.1%
While ground soil environment outstanding problem, arable soil environmental quality more causes anxiety.Chinese soil pollution can to land resource
Sustainable utilization constitutes a threat to agricultural product ecological safety.The whole nation by organic contaminants farmland up to 36,000,000 hectares, it is dirty
Contaminating species type includes petroleum-type, polycyclic aromatic hydrocarbon, pesticide, organochlorine etc.；Because of oil pollution soil face serious caused by oilfield exploitation
For product up to 10,000 hectares, oil refining industry is also contaminated large area soil；Petroleum waste water irrigated area, surface layer and underearth are comforted in Shen
Earth polycyclic aromatic hydrocarbon content more than 600mg/kg, causes the serious pollution of crops and underground water.The whole nation is by heavy metal polluted soil
Ground is up to 20,000,000 hectares, wherein serious contaminated land is more than 700,000 hectares, wherein 130,000 hectare of land due to cadmium content is exceeded by
Compel no longer cultivated.Just because of this, Chinese contaminated soil remediation research, is just experiencing the mistake from laboratory research to the practical stage
It crosses, i.e., will enter a quick, comprehensive improvement period.
It is above-mentioned due to there is a problem of, through retrieving, as Chinese patent literature discloses a kind of soil remediation method [patent
Number: ZL201611211268.5；Authorization Notice No.: CN106670220A].This soil remediation method, including soil and water,
Soil restoring device is provided on the soil, the soil restoring device includes water plug, watering device, clear water reserviors and storage
Pond, the clear water reserviors connect water plug, and the water plug connects watering device, the water plug and clear water reserviors, spills
It is connected between water installations by conduit pipeline, soil remediation is repaired by using water.
But this soil remediation method carries out simple acid-base neutralization to soil, it can not more various realizations
To repairing for contaminated soil, while the soil that this soil remediation method does not relate to corresponding equipment to improve
The working efficiency of reparation.
Summary of the invention
The first purpose of this invention is the presence of the above problem in view of the prior art, is proposed a kind of for soil remediation
Method, this method is easy to operate, and entire repair process environmental protection is sustainable, more effectively realize soil is repaired.
The first purpose of this invention can be realized by the following technical scheme:
A method of for soil remediation, which is characterized in that method includes the following steps:
A is loose: contaminated soil being collected in the complexes for being used for soil remediation, stirring is loose, and heating makes soil
The humidity of earth collects the gas volatilized in heating process to 40-50%；
B washing: filling the water into the soil after loose, and water level is higher than soil, is standing and soaking 3-5h after stirring 0.5-1h, will
Sewage after injection is impregnated is discharged and focuses on；
C is dry: the soil after washing being carried out heating stirring, keeps the humidity of soil to 30-40%, and collect volatilization
Gas out；
D adds soil-repairing agent: the intermittent soil by after drying is stirred with soil-repairing agent to be mixed, and guarantee is often stood
Square rice soil 0.5-1.6kg containing renovation agent；
E screening: the soil after soil-repairing agent is screened according to granularity；
F humidification: adding watering to the soil of screening, holding soil moisture to 60-80%, and add composite microbiological fertilizer or
Complex microorganism bacterium solution.
In above-mentioned soil remediation method, the soil-repairing agent includes active 20 parts of powdered carbon 10-, COD degradation bacterium 1-
6 parts, 10-15 parts of wood vinegar, 5-10 parts of feces of livestock and poultry and 25-60 parts of agricultural crop straw.
Present invention employs the modes of washing first to carry out acid-base neutralization to sludge, improves soil texture；Soil remediation process
Employed in soil-repairing agent economy, environmental protection, guarantee without again pollute in the case where reduce soil remediation cost；By right
Soil after reparation is screened according to granular size, so as to carry out classification use according to actual needs.
Second object of the present invention is the presence of the above problem in view of the prior art, is proposed a kind of for soil remediation
Complexes, which can more easily realize the characteristics of repairing to soil.
Second object of the present invention can be realized by the following technical scheme:
A kind of complexes for soil remediation, including workbench are provided with washing cylinder, stirring on the workbench
Cylinder and screen cylinder, the washing cylinder have washing chamber, and wash cylinder and offer the opening communicated with washing chamber, and wash cylinder opening
Place is hinged with lid, washes on the washing cylinder of cylinder and is hinged with lid, and washing cylinder is provided with workbench by stabilizer blade one and stabilizer blade two
On, the mixing drum has stir chamber, and the upper surface of mixing drum is fixed with hopper, and one and hopper phase are offered on mixing drum
Logical feed inlet has screening chamber in the screen cylinder, and screen cylinder screening is intracavitary is vertically arranged with filter plate one and filter plate two,
Filter plate one and filter plate two are separated into first chamber, second chamber and third chamber for chamber is screened；The washing cylinder and mixing drum it
Between also society have a structure for conveying, structure for conveying includes carriage, feeder motor, conveyer belt, conveying roller one and conveying roller two, conveying
Roller one and conveying roller two, which horizontally rotate, to be arranged on carriage, spacing between conveying roller two and workbench be greater than conveying roller one with
Spacing between workbench, and conveyer belt is set on conveying roller one and conveying roller two, the feeder motor is arranged in carriage
On, feeder motor output shaft is fixed with one phase of conveying roller, and feeder motor output shaft and carriage clearance fit, the carriage
One end close to conveying roller one is fixed with baffle, and carriage is fixed with drainage plate, drainage plate and water close to one end of conveying roller two
10-15 ° of the angle of plane.
Firstly, it is intracavitary that contaminated soil by washing cylinder opening is collected in washing, and cleaned, while washing
The soil after cleaning is dried in cylinder；Secondly, feeder motor is transported by conveying roller one, two driving conveying belt of conveying roller
Dynamic, so that soil is delivered to mixing drum, the angle of drainage plate and horizontal plane preferentially chooses 15 °, stirs consequently facilitating soil enters
It mixes in cylinder；Then, soil can be stirred with soil-repairing agent and be uniformly mixed by mixing drum；Finally, after being uniformly mixed
Soil be delivered to screen cylinder, by filter plate one and filter plate two, screened according to granular size.
In the above-mentioned complexes for soil remediation, the washing cylinder has opening, and washes cylinder opening hinge
It is connected to lid, the intracavitary rotation of washing for washing cylinder is equipped with agitating roller, and it washes on the outer wall of cylinder and is fixed with stirring motor one, stirring electricity
The output shaft of machine one is mutually fixed with agitating shaft, and is provided with sealing bearing between one output shaft of stirring motor and washing cylinder, described
Several stirring blades one are provided on the arc outer wall of agitating roller, the agitating roller has inner cavity, and the inner wall of agitating roller inner cavity
On be provided with several electric heating tubes, agitating roller inner cavity is connected with water injection pipe one end, and the other end of water injection pipe is worn by sealing bearing
It is discharged washing cylinder；The washing of the washing cylinder is intracavitary to be also communicated with water inlet pipe, escape pipe and outlet pipe, water inlet pipe, escape pipe and goes out
The other end of water pipe is pierced by washing cylinder, and is provided with valve on water inlet pipe, escape pipe and outlet pipe.
Stirring motor one drive agitating roller rotation, thus make stirring blade a pair on agitating roller wash intracavitary soil into
Row loosens the soil, electric heating tube work while stirring in agitating roller, has gas to that can volatilize in soil in soil heating,
And filled the water by water injection pipe into agitating roller, so as to guarantee that homogeneous heating improves heating efficiency；By water inlet pipe to washing
Intracavitary water filling, agitating roller rotation, is washed so that stirring blade a pair on agitating roller be made to wash intracavitary soil, has been washed
It is discharged at rear waste water by outlet pipe, then is thermally dried by the electric heating tube in agitating roller.
In the above-mentioned complexes for soil remediation, the stabilizer blade one is opened vertically on the one side of stabilizer blade two
Equipped with sliding slot, sliding is provided with sliding block in sliding slot, and lifting cylinder is fixed on the workbench, and the piston rod of lifting cylinder is perpendicular
It is straight upward, and the end of lifting cylinder piston rod is fixed on the lower surface of sliding block, the upper surface of sliding block is fixed on washing cylinder one end
On outer wall, washing cylinder other end outer wall is hinged on stabilizer blade two.
After contaminated soil washing and drying, lifting cylinder is moved upwards with movable slider along the sliding slot of stabilizer blade one, from
And washing cylinder one end can be lifted, and the other end for washing cylinder is hinged on stabilizer blade two, so as to keep washing cylinder inclined
Shape, so that the soil washed in cylinder is swung to conveyer belt.
In the above-mentioned complexes for soil remediation, the agitator tank stirs electricity to be horizontally fixed on outer wall
Machine two, the output shaft of stirring motor two is threaded through in the stir chamber of agitator tank by sealing bearing, and the output of stirring motor two
Axle position is circumferentially equidistantly fixed with several stirring blades two in one end of stir chamber；Backgauge disk is additionally provided in the hopper,
The diameter of backgauge disk is less than hopper lower end aperture, and the diameter of backgauge disk is greater than the aperture of feed inlet, between circumferentially waiting on backgauge disk
Away from several through-holes are offered, through-hole is not communicated with feed inlet, and connecting rod is hinged on a stirring blade two, connecting rod it is another
One end is hinged on backgauge disk lower surface.
Soil-repairing agent is added in advance in the stir chamber of agitator tank, and the soil after washing, drying is sent to by conveyer belt to be drawn
Flowing plate enters hopper by drainage plate, and stirring motor two starts, and drives stirring blade two to rotate, and one stirring blade two
It is hinged with connecting rod between backgauge disk, so that it is able to drive the upper and lower intermittent movement of backgauge disk when stirring blade two rotates,
When backgauge disk moves to the top, the soil on hopper can be entered in stir chamber by through-hole, feed inlet and soil remediation
Agent mixing, when backgauge disk moves to bottom, backgauge disk is contacted with the upper surface of agitator tank, and soil is prevented to enter stir chamber.
In the above-mentioned complexes for soil remediation, the second chamber of the screen cylinder and the stir chamber of agitator tank
It is communicated by connecting tube, delivery pump is provided in connecting tube, drainage conduit one and drainage conduit two, drainage conduit are additionally provided on screen cylinder
One and third chamber communicate, drainage conduit two and second chamber communicate, and are provided with valve in drainage conduit one and drainage conduit two；Sieve
It selects the upper surface of cylinder to offer through slot one and through slot two, is slided respectively in through slot one and through slot two and be equipped with sliding shoe one and sliding shoe
Two, the lower end of sliding shoe one and sliding shoe two is fixed with filter plate one and filter plate two-phase respectively, and intracavitary turn of the screening of the screen cylinder
Dynamic to be provided with a shaft, for shaft between filter plate one and filter plate two, the shaft is located at the one of the second chamber of screen cylinder
End is equipped with several stirring blades three, and has gap always before stirring blade and filter plate one, filter plate two.
In the above-mentioned complexes for soil remediation, one end of the shaft is pierced by screen cylinder, and shaft is worn
Outlet, which is keyed, gear one, and the upper end of the sliding shoe one and sliding shoe two is respectively fixed with rack gear one and rack gear two, gear
One between rack gear one, rack gear two, and rack gear one, rack gear two are meshed with gear one, and the upper surface of screen cylinder is fixed with
Driving motor, the output shaft of driving motor straight up, and on the output shaft of driving motor key connection have gear two, two He of gear
Gear one engages, the range of speeds 30-240r/min of driving motor.
The second chamber of screen cylinder is transported to by connecting tube with the soil after soil-repairing agent stirring, meets one He of filter plate
Two filter opening size of filter plate has respectively entered in first chamber and third chamber, then passes through drainage conduit one, drainage conduit two respectively
It is collected from first chamber, the discharge of third chamber.
Meanwhile driving motor drives shaft to rotate by engaging for gear one and gear two, and rack gear one, rack gear two with
Gear is meshed, to drive filter plate one, filter plate two respectively along through slot one and through slot respectively by sliding shoe one, sliding shoe two
Two move horizontally, so as to improve filter efficiency；In addition, energy when shaft drives three low speed of stirring blade (30r/min) rotation
Enough realize improves filter effect, and can not only realize and improve when shaft drive three low speed of stirring blade (240r/min) rotation
Effect is filtered, but also pulverization process can be carried out to soil.
Compared with prior art, this has the advantage that for the method and its complexes of soil remediation
1, present invention employs the modes of washing carries out acid-base neutralization to sludge, improves soil texture；Soil remediation process
Employed in soil-repairing agent economy, environmental protection, guarantee without again pollute in the case where reduce soil remediation cost；By right
Soil after reparation is screened according to granular size according to actual needs.
2, the present invention drives agitating roller rotation by stirring motor one, so that stirring blade a pair on agitating roller be made to wash
Intracavitary soil loosens the soil, electric heating tube work while stirring in agitating roller, unearthed to that can volatilize in soil heating
There is gas in earth, and filled the water by water injection pipe into agitating roller, so as to guarantee that homogeneous heating improves heating efficiency；Pass through
Water inlet pipe to washing intracavitary water filling, agitating roller rotation, thus make stirring blade a pair on agitating roller wash intracavitary soil into
Row washing, waste water is discharged by outlet pipe after the completion of washing, then is thermally dried by the electric heating tube in agitating roller.
3, the present invention is started by stirring motor two, drives stirring blade two to rotate, and one stirring blade two and backgauge
Connecting rod is hinged between disk, to be able to drive the upper and lower intermittent movement of backgauge disk when stirring blade two rotates, work as backgauge
When disk moves to the top, the soil on hopper can be entered in stir chamber and be mixed with soil-repairing agent by through-hole, feed inlet,
When backgauge disk moves to bottom, backgauge disk is contacted with the upper surface of agitator tank, and soil is prevented to enter stir chamber.
4, the present invention drives shaft rotation, and rack gear one, tooth with engaging for gear two by gear one by driving motor
Item two is meshed with gear, to drive filter plate one, filter plate two respectively along through slot respectively by sliding shoe one, sliding shoe two
One and through slot two move horizontally, so as to improve filter efficiency；In addition, shaft drives stirring blade three can when slowly running
It realizes and improves filter effect, and shaft drives stirring blade three that can not only realize raising filter effect when slowly running, and
Pulverization process can also be carried out to soil.
Detailed description of the invention
Fig. 1 is schematic perspective view of the invention；
Fig. 2 is overlooking structure diagram of the invention；
Fig. 3 is the broken section structural schematic diagram of mixing drum in the present invention；
Fig. 4 is the broken section structural schematic diagram of screen cylinder in the present invention.
Fig. 5 is the broken section structural schematic diagram of screen cylinder in the present invention.
In figure, 1, workbench；2, cylinder is washed；3, lid；4, stabilizer blade one；5, stabilizer blade two；6, stirring motor one；7, it stirs
Axis；8, stirring blade one；9, water injection pipe；10, water inlet pipe；11, escape pipe；12, outlet pipe；13, sliding block；14, lifting cylinder；
15, carriage；16, feeder motor；17, conveyer belt；18, baffle；19, drainage plate；20, agitator tank；21, stirring motor two；22,
Stirring blade two；23, hopper；24, backgauge disk；25, through-hole；26, connecting rod；27, screen cylinder；28, connecting tube；29, filter plate one；
30, filter plate two；31, first chamber；32, second chamber；33, third chamber；34, drainage conduit one；35, drainage conduit two；36, it slides
Block one；37, sliding shoe two；38, shaft；39, stirring blade three；40, rack gear one；41, rack gear two；42, driving motor；43, tooth
Wheel one；44, gear two.
Specific embodiment
Following is a specific embodiment of the present invention in conjunction with the accompanying drawings, technical scheme of the present invention will be further described,
However, the present invention is not limited to these examples.
Embodiment one
A method of for soil remediation, method includes the following steps:
A is loose: contaminated soil being collected in the complexes for being used for soil remediation, stirring is loose, and heating makes soil
The humidity of earth collects the gas volatilized in heating process to 40%；
B washing: filling the water into the soil after loose, and water level is higher than soil, is standing and soaking 4h after stirring 0.5h, will inject
Sewage after immersion is discharged and focuses on；
C is dry: the soil after washing being carried out heating stirring, keeps the humidity of soil to 35%, and collect and volatilize
Gas；
D adds soil-repairing agent: the intermittent soil by after drying is stirred with soil-repairing agent to be mixed, and guarantee is often stood
Square rice soil 1kg containing renovation agent, soil-repairing agent include active 10 parts of powdered carbon, 3 parts of COD degradation bacterium, 15 parts of wood vinegar, animal dung
Just 10 parts and 40 parts of agricultural crop straw；
E screening: the soil after soil-repairing agent is screened according to granularity；
F humidification: watering, holding soil moisture to 70% are added to the soil of screening, and add composite microbiological fertilizer or multiple
Close microbial inoculum.
Present invention employs the modes of washing first to carry out acid-base neutralization to sludge, improves soil texture；Soil remediation process
Employed in soil-repairing agent economy, environmental protection, guarantee without again pollute in the case where reduce soil remediation cost；By right
Soil after reparation is screened according to granular size, so as to carry out classification use according to actual needs.
As depicted in figs. 1 and 2, for the complexes of soil remediation, including workbench 1, washing is provided on workbench 1
Cylinder 2, mixing drum and screen cylinder 27, washing cylinder 2 have washing chamber, and wash cylinder 2 and offer the opening communicated with washing chamber, and
Washing 2 opening of cylinder is hinged with lid 3, washes on the washing cylinder 2 of cylinder 2 and is hinged with lid 3, and washing cylinder 2 has opening, and water
2 opening of washing cylinder is hinged with lid 3, and the intracavitary rotation of washing for washing cylinder 2 is equipped with agitating roller, washes on the outer wall of cylinder 2 and is fixed with
Stirring motor 1, output shaft and 7 phase of agitating shaft of stirring motor 1 are fixed, and one 6 output shaft of stirring motor and washing cylinder 2
Between be provided with sealing bearing, be provided with several stirring blades 1 on the arc outer wall of agitating roller, agitating roller has inner cavity, and
Be provided with several electric heating tubes on the inner wall of agitating roller inner cavity, agitating roller inner cavity is connected with 9 one end of water injection pipe, water injection pipe 9 it is another
One end is pierced by washing cylinder 2 by sealing bearing；The washing of washing cylinder 2 is intracavitary to be also communicated with water inlet pipe 10, escape pipe 11 and water outlet
Pipe 12, the other end of water inlet pipe 10, escape pipe 11 and outlet pipe 12 are pierced by washing cylinder 2, and water inlet pipe 10,11 and of escape pipe
Valve is provided on outlet pipe 12.
Stirring motor 1 drives agitating roller rotation, to make one 8 pairs of stirring blade on agitating roller to wash intracavitary soil
It loosens the soil, electric heating tube work while stirring in agitating roller has gas to that can volatilize in soil in soil heating
Body, and filled the water by water injection pipe 9 into agitating roller, so as to guarantee that homogeneous heating improves heating efficiency；Pass through water inlet pipe 10
To intracavitary water filling, agitating roller rotation is washed, so that making one 8 pairs of stirring blade on agitating roller to wash intracavitary soil carries out water
It washes, waste water is discharged by outlet pipe 12 after the completion of washing, then is thermally dried by the electric heating tube in agitating roller.
There is a structure for conveying in also society between washing cylinder 2 and mixing drum, structure for conveying include carriage 15, feeder motor 16,
Conveyer belt 17, conveying roller one and conveying roller two, conveying roller one and conveying roller two, which horizontally rotate, to be arranged on carriage 15, conveying roller
Spacing between two and workbench 1 is greater than the spacing between conveying roller one and workbench 1, and conveyer belt 17 is set in conveying roller
One and conveying roller two on, feeder motor 16 be arranged on carriage 15,16 output shaft of feeder motor is fixed with one phase of conveying roller, and
16 output shaft of feeder motor and 15 clearance fit of carriage, carriage 15 is fixed with baffle 18 close to one end of conveying roller one, defeated
Frame 15 is sent to be fixed with drainage plate 19 close to one end of conveying roller two, 10-15 ° of angle of drainage plate 19 and horizontal plane.
Washing cylinder 2 is provided on workbench 1 by stabilizer blade 1 and stabilizer blade 25, one side of the stabilizer blade 1 backwards to stabilizer blade 25
On offer sliding slot vertically, sliding is provided with sliding block 13 in sliding slot, and lifting cylinder 14, lifting cylinder 14 are fixed on workbench 1
Piston rod straight up, and the end of 14 piston rod of lifting cylinder is fixed on the lower surface of sliding block 13, the upper surface of sliding block 13
It is fixed on washing 2 one end outer wall of cylinder, washing 2 other end outer wall of cylinder is hinged on stabilizer blade 25.The washing of contaminated soil is dry
After dry, lifting cylinder 14 is moved upwards with movable slider 13 along the sliding slot of stabilizer blade 1, is lifted so as to wash 2 one end of cylinder,
And the other end for washing cylinder 2 is hinged on stabilizer blade 25, and it is oblique so as to make to wash cylinder 2, thus by washing cylinder 2
Soil swings to conveyer belt 17.
As shown in figure 3, mixing drum has stir chamber, the upper surface of mixing drum is fixed with hopper 23, and opens up on mixing drum
Have a feed inlet communicated with hopper 23, agitator tank 20 to be horizontally fixed with stirring motor 2 21, stirring motor two on outer wall
21 output shaft is threaded through in the stir chamber of agitator tank 20 by sealing bearing, and the output shaft of stirring motor 2 21 is located at stirring
One end of chamber is circumferentially equidistantly fixed with several stirring blades 2 22；Backgauge disk 24 is additionally provided in hopper 23, backgauge disk 24
Diameter is less than 23 lower end aperture of hopper, and the diameter of backgauge disk 24 is greater than the aperture of feed inlet, and circumferential direction is equidistant on backgauge disk 24
Several through-holes 25 are offered, through-hole 25 is not communicated with feed inlet, and connecting rod 26, connecting rod 26 are hinged on a stirring blade 2 22
The other end be hinged on 24 lower surface of backgauge disk.
Soil-repairing agent is added in advance in the stir chamber of agitator tank 20, and the soil after washing, drying is sent by conveyer belt 17
To drainage plate 19, hopper 23 is entered by drainage plate 19, stirring motor 2 21 starts, and drive stirring blade 2 22 to rotate, and
Connecting rod 26 is hinged between one stirring blade 2 22 and backgauge disk 24, to be able to drive when stirring blade 2 22 rotates
The upper and lower intermittent movement of backgauge disk 24, when backgauge disk 24 moves to the top, soil on hopper 23 can by through-hole 25,
Feed inlet is entered in stir chamber and is mixed with soil-repairing agent, when backgauge disk 24 moves to bottom, backgauge disk 24 and stirring
The upper surface of case 20 contacts, and soil is prevented to enter stir chamber.
As shown in figure 4, there is screening chamber, and screen cylinder 27 screens and intracavitary is vertically arranged with one 29 He of filter plate in screen cylinder 27
Filter plate 2 30, filter plate 1 and filter plate 2 30 are separated into first chamber 31, second chamber 32 and third chamber 33 for chamber is screened；Sieve
It selects the second chamber 32 of cylinder 27 to communicate with the stir chamber of agitator tank 20 by connecting tube 28, is provided with delivery pump in connecting tube 28,
Drainage conduit 1 and drainage conduit 2 35 are additionally provided on screen cylinder 27, drainage conduit 1 and first chamber 31 communicate, drainage conduit two
35 and third chamber 33 communicate, and be provided with valve in drainage conduit 1 and drainage conduit 2 35；It opens the upper surface of screen cylinder 27
Equipped with through slot one and through slot two, sliding is equipped with sliding shoe 1 and sliding shoe 2 37, sliding shoe respectively in through slot one and through slot two
1 and the lower end of sliding shoe 2 37 fixed respectively with filter plate 1 and 2 30 phase of filter plate, the intracavitary rotation of the screening of screen cylinder 27
It is provided with a shaft 38, for shaft 38 between filter plate 1 and filter plate 2 30, shaft 38 is located at the second chamber of screen cylinder 27
32 one end is equipped with several stirring blades 3 39, and has gap always before stirring blade and filter plate 1, filter plate 2 30.
One end of shaft 38 is pierced by screen cylinder 27, and the traversing through end key connection of shaft 38 has gear 1, sliding shoe 1
It is respectively fixed with rack gear 1 and rack gear 2 41 with the upper end of sliding shoe 2 37, gear 1 is located at rack gear 1, rack gear 2 41
Between, and rack gear 1, rack gear 2 41 are meshed with gear 1, the upper surface of screen cylinder 27 is fixed with driving motor 42,
The output shaft of driving motor 42 straight up, and on the output shaft of driving motor 42 key connection have gear 2 44,2 44 He of gear
Gear 1 engages, the range of speeds 30-240r/min of driving motor 42.
The second chamber 32 of screen cylinder 27 is transported to by connecting tube 28 with the soil after soil-repairing agent stirring, is met
Having respectively entered in first chamber 31 and third chamber 33 for filter plate 1 and 2 30 filter opening size of filter plate, then passes through row respectively
Expects pipe 1, drainage conduit 2 35 are collected from first chamber 31, the discharge of third chamber 33.Meanwhile driving motor 42 passes through gear one
43 drive shaft 38 to rotate with engaging for gear 2 44, and rack gear 1, rack gear 2 41 are meshed with gear, to pass through cunning
Motion block 1, sliding shoe 2 37 drive filter plate 1, filter plate 2 30 to move horizontally respectively along through slot one and through slot two respectively, from
And it can be improved filter efficiency；In addition, shaft 38 can be realized raising when driving 3 39 low speed of stirring blade (30r/min) rotation
Filter effect, and shaft 38 drives 3 39 low speed of stirring blade (240r/min) can not only realize raising filtering effect when rotating
Fruit, but also pulverization process can be carried out to soil.
In summary: washing intracavitary, stirring motor 1 firstly, contaminated soil is collected in by the washing opening of cylinder 2
Agitating roller rotation is driven, is loosened the soil to make one 8 pairs of stirring blade on agitating roller to wash intracavitary soil, while stirring
Electric heating tube work in agitating roller, to can volatilize the gas that has in soil in soil heating, and by water injection pipe 9 to stirring
Water filling in roller is mixed, so as to guarantee that homogeneous heating improves heating efficiency, by water inlet pipe 10 to washing intracavitary water filling, agitating roller
Rotation is washed to make one 8 pairs of stirring blade on agitating roller to wash intracavitary soil, and waste water is by being discharged after the completion of washing
Pipe 12 is discharged, then is thermally dried by the electric heating tube in agitating roller；Secondly, feeder motor 16 passes through conveying roller one, defeated
Two driving conveying belt 17 of roller is sent to move, so that soil is delivered to mixing drum, drainage plate 19 and the angle of horizontal plane are preferentially chosen
15 °, consequently facilitating soil enters in mixing drum；
Then, stirring motor 2 21 starts, and stirring blade 2 22 is driven to rotate, and one stirring blade 2 22 and backgauge disk
Connecting rod 26 is hinged between 24, so that it is able to drive the upper and lower intermittent movement of backgauge disk 24 when stirring blade 2 22 rotates,
When backgauge disk 24 moves to the top, the soil on hopper 23 can be entered by through-hole 25, feed inlet in stir chamber with soil
The mixing of earth renovation agent, when backgauge disk 24 moves to bottom, backgauge disk 24 is contacted with the upper surface of agitator tank 20, prevents soil
Into stir chamber, soil can be stirred with soil-repairing agent and be uniformly mixed by mixing drum；
Finally, the soil after being uniformly mixed is delivered to screen cylinder 27, by filter plate 1 and filter plate 2 30, according to
Granular size is screened, and driving motor 42 drives shaft 38 to rotate by gear 1 with engaging for gear 2 44, and rack gear
One 40, rack gear 2 41 is meshed with gear, to drive filter plate 1, filter respectively by sliding shoe 1, sliding shoe 2 37
Plate 2 30 is moved horizontally respectively along through slot one and through slot two, so as to improve filter efficiency；In addition, shaft 38 drives stirring
Blade 3 39 can be realized raising filter effect when slowly running, and shaft 38 when driving the stirring blade 3 39 to slowly run not only
It can be realized raising filter effect, but also pulverization process can be carried out to soil.
Embodiment two
The present embodiment is essentially identical with the structure and principle for the complexes for being used for soil remediation in embodiment one, different
Place be: in the present embodiment two, a method of for soil remediation, which is characterized in that this method includes following step
It is rapid:
A is loose: contaminated soil being collected in the complexes of soil remediation, stirring is loose, and heating makes soil
Humidity collects the gas volatilized in heating process to 45%；
B washing: filling the water into the soil after loose, and water level is higher than soil, is standing and soaking 5h after stirring 1h, and injection is impregnated
Sewage afterwards is discharged and focuses on；
C is dry: the soil after washing being carried out heating stirring, keeps the humidity of soil to 35%, and collect and volatilize
Gas；
D adds soil-repairing agent: the intermittent soil by after drying is stirred with soil-repairing agent to be mixed, and guarantee is often stood
Square rice soil 1.5kg containing renovation agent, soil-repairing agent include active 15 parts of powdered carbon, 5 parts of COD degradation bacterium, 15 parts of wood vinegar, livestock and poultry
5 parts and 50 parts of agricultural crop straw of excrement；
E screening: the soil after soil-repairing agent is screened according to granularity；
F humidification: watering, holding soil moisture to 65% are added to the soil of screening, and add composite microbiological fertilizer or multiple
Close microbial inoculum.
Specific embodiment described herein is only an example for the spirit of the invention.The neck of technology belonging to the present invention
The technical staff in domain can make various modifications or additions to the described embodiments or replace by a similar method
In generation, however, it does not deviate from the spirit of the invention or beyond the scope of the appended claims.
Although 1, workbench is used more herein；2, cylinder is washed；3, lid；4, stabilizer blade one；5, stabilizer blade two；6, it stirs
Motor one；7, agitating shaft；8, stirring blade one；9, water injection pipe；10, water inlet pipe；11, escape pipe；12, outlet pipe；13, sliding block；
14, lifting cylinder；15, carriage；16, feeder motor；17, conveyer belt；18, baffle；19, drainage plate；20, agitator tank；21,
Stirring motor two；22, stirring blade two；23, hopper；24, backgauge disk；25, through-hole；26, connecting rod；27, screen cylinder；28, it connects
Pipe；29, filter plate one；30, filter plate two；31, first chamber；32, second chamber；33, third chamber；34, drainage conduit one；35, it arranges
Expects pipe two；36, sliding shoe one；37, sliding shoe two；38, shaft；39, stirring blade three；40, rack gear one；41, rack gear two；42,
Driving motor；43, gear one；44, the second-class term of gear, but it does not exclude the possibility of using other terms.Use these arts
Language is only for the convenience of describing and explaining the nature of the invention；Being construed as any additional limitation is all
It is disagreed with spirit of that invention.
Claims (9)
1. a kind of method for soil remediation, which is characterized in that method includes the following steps:
A is loose: contaminated soil being collected in the complexes for being used for soil remediation, stirring is loose, and heating makes soil
Humidity collects the gas volatilized in heating process to 40-50%；
B washing: filling the water into the soil after loose, and water level is higher than soil, is standing and soaking 3-5h after stirring 0.5-1h, will injection leaching
Sewage after bubble is discharged and focuses on；
C is dry: the soil after washing being carried out heating stirring, keeps the humidity of soil to 30-40%, and collect the gas volatilized
Body；
D adds soil-repairing agent: the intermittent soil by after drying is stirred with soil-repairing agent to be mixed, and guarantees every cubic metre
Soil 0.5-1.6kg containing renovation agent；
E screening: the soil after soil-repairing agent is screened according to granularity；
F humidification: watering, holding soil moisture to 60-80% are added to the soil of screening, and add composite microbiological fertilizer or compound
Microbial inoculum.
2. according to claim 1, which is characterized in that the soil-repairing agent includes active 10-20 parts of powdered carbon, COD
1-6 parts of degradation bacteria, 10-15 parts of wood vinegar, 5-10 parts of feces of livestock and poultry and 25-60 parts of agricultural crop straw.
3. the method according to claim 1 for soil remediation, which is characterized in that a kind of for the complete of soil remediation
Device, including workbench are provided with washing cylinder, mixing drum and screen cylinder on the workbench, and the washing cylinder, which has, to be washed
Chamber, and wash cylinder and offer the opening communicated with washing chamber, and wash cylinder opening and be hinged with lid, it washes on the washing cylinder of cylinder
It is hinged with lid, washing cylinder is provided on workbench by stabilizer blade one and stabilizer blade two, and the mixing drum has stir chamber, stirring
The upper surface of cylinder is fixed with hopper, and a feed inlet communicated with hopper is offered on mixing drum, has in the screen cylinder
Chamber is screened, and screen cylinder screening is intracavitary is vertically arranged with filter plate one and filter plate two, filter plate one and filter plate two are separated into chamber is screened
First chamber, second chamber and third chamber.
4. the complexes according to claim 3 for soil remediation, which is characterized in that the washing cylinder and mixing drum
Between also society have a structure for conveying, structure for conveying includes carriage, feeder motor, conveyer belt, conveying roller one and conveying roller two, defeated
It send roller one and conveying roller two to horizontally rotate to be arranged on carriage, the spacing between conveying roller two and workbench is greater than conveying roller one
Spacing between workbench, and conveyer belt is set on conveying roller one and conveying roller two, the feeder motor setting is conveying
On frame, feeder motor output shaft is fixed with one phase of conveying roller, and feeder motor output shaft and carriage clearance fit, the conveying
Frame is fixed with baffle close to one end of conveying roller one, and carriage is fixed with drainage plate close to one end of conveying roller two, drainage plate with
10-15 ° of the angle of horizontal plane.
5. the complexes according to claim 3 for soil remediation, which is characterized in that the washing of the washing cylinder
Intracavitary rotation is equipped with agitating roller, washes on the outer wall of cylinder and is fixed with stirring motor one, the output shaft and agitating shaft of stirring motor one
It is mutually fixed, and it is provided with sealing bearing between one output shaft of stirring motor and washing cylinder, it is set on the arc outer wall of the agitating roller
Several stirring blades one are equipped with, the agitating roller has inner cavity, and several electric heating tubes are provided on the inner wall of agitating roller inner cavity,
Agitating roller inner cavity is connected with water injection pipe one end, and the other end of water injection pipe is pierced by washing cylinder by sealing bearing；The washing cylinder
Wash it is intracavitary be also communicated with water inlet pipe, escape pipe and outlet pipe, the other end of water inlet pipe, escape pipe and outlet pipe is pierced by washing
Cylinder, and valve is provided on water inlet pipe, escape pipe and outlet pipe.
6. the complexes according to claim 4 for soil remediation, which is characterized in that the stabilizer blade one is backwards to branch
Sliding slot is offered on the one side of foot two vertically, sliding is provided with sliding block in sliding slot, is fixed with lifting air on the workbench
Cylinder, straight up, and the end of lifting cylinder piston rod is fixed on the lower surface of sliding block to the piston rod of lifting cylinder, sliding block it is upper
Surface is fixed on washing cylinder one end outer wall, and washing cylinder other end outer wall is hinged on stabilizer blade two.
7. the complexes according to claim 3 for soil remediation, which is characterized in that other than the agitator tank
Stirring motor two, the stir chamber that the output shaft of stirring motor two is threaded through agitator tank by sealing bearing are horizontally fixed on wall
It is interior, and the output shaft of stirring motor two is located at one end of stir chamber and is circumferentially equidistantly fixed with several stirring blades two；Described
Backgauge disk is additionally provided in hopper, the diameter of backgauge disk is less than hopper lower end aperture, and the diameter of backgauge disk is greater than feed inlet
Aperture, circumferential on backgauge disk equidistantly to offer several through-holes, through-hole is not communicated with feed inlet, and a stirring blade two
On be hinged with connecting rod, the other end of connecting rod is hinged on backgauge disk lower surface.
8. the complexes according to claim 7 for soil remediation, which is characterized in that the second of the screen cylinder
Chamber is communicated with the stir chamber of agitator tank by connecting tube, and delivery pump is provided in connecting tube, is additionally provided with discharge on screen cylinder
Pipe one and drainage conduit two, drainage conduit one and first chamber communicate, and drainage conduit two and third chamber communicate, and drainage conduit one and discharge
Valve is provided on pipe two；The upper surface of screen cylinder offers through slot one and through slot two, slides respectively in through slot one and through slot two
It moves and is equipped with sliding shoe one and sliding shoe two, the lower end of sliding shoe one and sliding shoe two is fixed with filter plate one and filter plate two-phase respectively,
The intracavitary rotation of the screening of the screen cylinder is provided with a shaft, and shaft is between filter plate one and filter plate two, the shaft position
Several stirring blades three are equipped in one end of the second chamber of screen cylinder, and before stirring blade and filter plate one, filter plate two always
With gap.
9. the complexes according to claim 8 for soil remediation, which is characterized in that wear one end of the shaft
Screen cylinder out, and the traversing through end key connection of shaft has a gear one, the upper end of the sliding shoe one and sliding shoe two is respectively fixed with
Rack gear one and rack gear two, gear one is between rack gear one, rack gear two, and rack gear one, rack gear two are meshed with gear one, sieve
The upper surface of cylinder is selected to be fixed with driving motor, straight up, and key connects the output shaft of driving motor on the output shaft of driving motor
It is connected to gear two, gear two and gear one engage, the range of speeds 30-240r/min of driving motor.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810978887.XA CN109290355A (en) | 2018-08-27 | 2018-08-27 | A kind of method and its complexes for soil remediation |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810978887.XA CN109290355A (en) | 2018-08-27 | 2018-08-27 | A kind of method and its complexes for soil remediation |
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| CN109290355A true CN109290355A (en) | 2019-02-01 |
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ID=65165442
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109772868A (en) * | 2019-03-07 | 2019-05-21 | 新昌县以琳环保科技有限公司 | The ecological environment of soil restorative procedure for preventing and treating heavy metal pollution |
| CN110104930A (en) * | 2019-04-18 | 2019-08-09 | 安徽五祥畜牧科技有限公司 | A kind of livestock and poultry cultivation waste resource recycling equipment |
| CN110918637A (en) * | 2019-12-20 | 2020-03-27 | 煜环环境科技有限公司 | Stirring and mixing system and process for soil remediation |
| CN113617813A (en) * | 2021-07-23 | 2021-11-09 | 上海同济建设科技股份有限公司 | Method for removing polycyclic aromatic hydrocarbons in soil through hydrothermal carbon enhanced washing |
| CN114226428A (en) * | 2021-12-22 | 2022-03-25 | 时科环境技术(上海)有限公司 | Soil restoration and detection all-in-one machine and restoration method thereof |
| CN115536462A (en) * | 2022-09-12 | 2022-12-30 | 徐妍 | Microbial remediation preparation for industrial contaminated soil and preparation method thereof |
-
2018
- 2018-08-27 CN CN201810978887.XA patent/CN109290355A/en not_active Withdrawn
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109772868A (en) * | 2019-03-07 | 2019-05-21 | 新昌县以琳环保科技有限公司 | The ecological environment of soil restorative procedure for preventing and treating heavy metal pollution |
| CN110104930A (en) * | 2019-04-18 | 2019-08-09 | 安徽五祥畜牧科技有限公司 | A kind of livestock and poultry cultivation waste resource recycling equipment |
| CN110918637A (en) * | 2019-12-20 | 2020-03-27 | 煜环环境科技有限公司 | Stirring and mixing system and process for soil remediation |
| CN113617813A (en) * | 2021-07-23 | 2021-11-09 | 上海同济建设科技股份有限公司 | Method for removing polycyclic aromatic hydrocarbons in soil through hydrothermal carbon enhanced washing |
| CN114226428A (en) * | 2021-12-22 | 2022-03-25 | 时科环境技术(上海)有限公司 | Soil restoration and detection all-in-one machine and restoration method thereof |
| CN115536462A (en) * | 2022-09-12 | 2022-12-30 | 徐妍 | Microbial remediation preparation for industrial contaminated soil and preparation method thereof |
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Application publication date: 20190201 |