CN106701092A - Soil conditioner, and preparation method and application thereof - Google Patents
Soil conditioner, and preparation method and application thereof Download PDFInfo
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- CN106701092A CN106701092A CN201611037409.6A CN201611037409A CN106701092A CN 106701092 A CN106701092 A CN 106701092A CN 201611037409 A CN201611037409 A CN 201611037409A CN 106701092 A CN106701092 A CN 106701092A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C17/00—Disintegrating by tumbling mills, i.e. mills having a container charged with the material to be disintegrated with or without special disintegrating members such as pebbles or balls
- B02C17/10—Disintegrating by tumbling mills, i.e. mills having a container charged with the material to be disintegrated with or without special disintegrating members such as pebbles or balls with one or a few disintegrating members arranged in the container
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C17/00—Disintegrating by tumbling mills, i.e. mills having a container charged with the material to be disintegrated with or without special disintegrating members such as pebbles or balls
- B02C17/18—Details
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C17/00—Disintegrating by tumbling mills, i.e. mills having a container charged with the material to be disintegrated with or without special disintegrating members such as pebbles or balls
- B02C17/18—Details
- B02C17/24—Driving mechanisms
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
- B02C23/08—Separating or sorting of material, associated with crushing or disintegrating
- B02C23/16—Separating or sorting of material, associated with crushing or disintegrating with separator defining termination of crushing or disintegrating zone, e.g. screen denying egress of oversize material
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05D—INORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C; FERTILISERS PRODUCING CARBON DIOXIDE
- C05D1/00—Fertilisers containing potassium
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05D—INORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C; FERTILISERS PRODUCING CARBON DIOXIDE
- C05D3/00—Calcareous fertilisers
- C05D3/02—Calcareous fertilisers from limestone, calcium carbonate, calcium hydrate, slaked lime, calcium oxide, waste calcium products
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05D—INORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C; FERTILISERS PRODUCING CARBON DIOXIDE
- C05D9/00—Other inorganic fertilisers
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05G—MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS; FERTILISERS CHARACTERISED BY THEIR FORM
- C05G3/00—Mixtures of one or more fertilisers with additives not having a specially fertilising activity
- C05G3/80—Soil conditioners
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05G—MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS; FERTILISERS CHARACTERISED BY THEIR FORM
- C05G5/00—Fertilisers characterised by their form
- C05G5/10—Solid or semi-solid fertilisers, e.g. powders
- C05G5/12—Granules or flakes
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K17/00—Soil-conditioning materials or soil-stabilising materials
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K17/00—Soil-conditioning materials or soil-stabilising materials
- C09K17/40—Soil-conditioning materials or soil-stabilising materials containing mixtures of inorganic and organic compounds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
- B02C23/08—Separating or sorting of material, associated with crushing or disintegrating
- B02C23/16—Separating or sorting of material, associated with crushing or disintegrating with separator defining termination of crushing or disintegrating zone, e.g. screen denying egress of oversize material
- B02C2023/165—Screen denying egress of oversize material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09C—RECLAMATION OF CONTAMINATED SOIL
- B09C2101/00—In situ
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K2101/00—Agricultural use
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K2109/00—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE pH regulation
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Soil Sciences (AREA)
- Inorganic Chemistry (AREA)
- Food Science & Technology (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Life Sciences & Earth Sciences (AREA)
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- Pest Control & Pesticides (AREA)
- Environmental & Geological Engineering (AREA)
- Soil Conditioners And Soil-Stabilizing Materials (AREA)
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Abstract
The invention provides a soil conditioner, and a preparation method and application thereof. The soil conditioner comprises peat soil, wherein the organic matter content in the peat soil is greater than or equal to 50 wt%, and the average particle diameter of the peat soil is 0.5-15 mu m. By using the peat soil with micron size or smaller particle size, the activities of multiple high-polymer functional groups in the original organic matters in the peat soil are released and displayed, thereby quickly generating active and beneficial effects on aggregate structure, substance migration, moisture retention and the like of soil, quickly supplementing minor elements, and being beneficial to growth of soil microbes and efficacy display of soil organic matters. After entering the soil, the soil conditioner has the advantages of high differentiation speed, complete nutrients, high chelation power, low consumption and high efficacy. The application process has the advantages of no secondary pollution, high resource utilization ratio, obvious effects and quick effect taking for soil treatment, and has very important meanings for ecological restoration and construction of soil at present in China.
Description
Technical field
The present invention relates to technical field of land improvement, in particular to a kind of soil conditioner, its preparation method and should
With.
Background technology
Peat soil is plant septage, and carbonation rate is low, and main component is organic matter, is present in thousand in nature
More than, form metastable internal structure.
At present, for the main prior art of soil improvement it is to enter humic acid therein by lignite, peat soil, turf etc.
Row chemical extraction, preparation humate and humic acid complex fertilizer.These method generally existing resource utilizations are low, and production process has
Pollution.And existing process technology, method and apparatus, lignite can only be typically worked into the particle of 200 mesh, change for soil
Good, usage amount is big, and effect is limited, and added value of product is low, and market application surface is narrow.
The content of the invention
It is a primary object of the present invention to provide a kind of soil conditioner, its preparation method and application, to solve existing skill
Soil conditioner in the art problem limited to the improved effect of soil.
The feature of peat soil micro mist soil conditioner of the invention, comprising consisting of part：
1) the natural peat soil containing organic matter more than 50%, the micro mist below 5 microns of particle diameter is applied to soil activation and changes
It is good.
2) micro mist below the natural peat soil containing organic matter more than 50% and solid base hybrid process to 5 microns of particle diameter,
It is applied to soil acidity or alkalinity regulation.
3) containing organic matter more than 50% natural peat soil mix with mineral matter be machined into it is micro- below 5 microns of particle diameter
Powder, is applied to soil nutrient supplement.
4) the natural peat soil water content containing organic matter more than 50% is 5~15%.
5) the peat soil micro mist soil conditioner content of organic matter is more than 55%.
According to another aspect of the present invention, a kind of soil conditioner is additionally provided, the soil conditioner includes peat soil, mud
Content >=the 50wt% of organic matter in charcoal soil, the average grain diameter of peat soil is 0.5~15 μm.
Further, the average grain diameter of peat soil is average grain diameter≤5 μm of 8~13 μm or peat soil.
Further, in peat soil organic matter content >=55wt%, the content of organic matter preferably in peat soil >=
60wt%；Content >=the 65wt% of organic matter more preferably in peat soil.
Further, soil conditioner also includes alkali and/or mineral matter, and preferably alkali content in soil conditioner is
The content of 5wt%~10wt%, preferably mineral matter in soil conditioner is 0.1wt%~5wt%.
According to the third aspect of the invention we, a kind of preparation method of soil conditioner is additionally provided, the preparation method includes：
The peat soil of the content of organic matter >=50wt% is crushed, broken soil is obtained；Classified grinding screening is carried out to broken soil, is obtained
Average grain diameter is 0.5~15 μm of peat soil.
Further, the average grain diameter≤1mm of soil is crushed, moisture is 5wt%~15wt% in preferably crushing soil.
Further, carrying out the step of classified grinding is sieved to broken soil includes：Grinding sieve for the first time is carried out to broken soil
Point, obtain the grogs that average grain diameter is 100~500 μm；It is that 100~500 μm of grogs carries out second grinding screening to particle diameter,
Obtain the grogs that average grain diameter is 30~80 μm；It is that 30~80 μm of grogs carries out third time grinding screening to particle diameter, is put down
Equal particle diameter is 0.5~15 μm of peat soil；Preferably, the peat soil that average grain diameter is 8~13 μm is obtained；Or obtain average grain
The peat soil of footpath≤5 μm.
Further, before classified grinding screening is carried out to broken soil, preparation method also includes being added in broken soil
The addition of the step of alkali and/or mineral matter, preferably alkali with alkali content in peat soil as 5wt%~10wt%, content of mineral substances
For 0.1wt%~5wt% is defined.
According to the third aspect of the invention we, application of any of the above-described kind of soil conditioner in soil regulation is additionally provided,
The application is included to being acidified hardened soil, salt affected soil, prone soil, stony desertification soil or the regulation of heavy-metal contaminated soil.
Further, using in including soil conditioner is directly placed into the soil, or soil conditioner is prepared into molten
Liquid is sprayed at soil surface.
The essential characteristic of the technology of the present invention is：
First, peat soil natural in nature is crushed to below particle diameter 1mm through rotary-cut, then through multistage controllable change rail ball milling
Machining, using 5 μm of aperture screen, goes out powder average grain diameter more than 3000 mesh, gives full play to effect of organic polymer functional group；
2nd, the acidifying according to soil presence is hardened, and resulting mixture micro mist is ground after adding solid base mixing, can adjust soil
Acid-base value and gas porosity；
3rd, such as there is the missing of nutrient in destroyed soil, and mixing is ground to form after adding corresponding mineral matter mixing
Thing micro mist energy Quick uniform is distributed in soil；
4th, peat soil micro mist directly can be incorporated into soil, and also water-soluble pouring, simple to operate；
5th, the peat soil micro mist soil conditioner content of organic matter is more than 55%.
Apply the technical scheme of the present invention, by using micron order or the peat soil of more fine grain so that peat soil Central Plains
There is the various macromolecule functional groups activity in organic matter to be released and play, thus crumb structure to soil, material migration,
Moisture retention etc. can quickly produce actively beneficial effect.Moreover it is possible to realize micro- quick supplement, be conducive to soil micro-
The efficiency of biological growth and the soil organism is played.And, being found by widely applying experiment, soil conditioner of the invention enters
Differentiation is fast after entering soil, and nutrient is complete, and chelating ability is strong, and consumption is few, and effect is high.Using process without any secondary pollution, resource
Utilization rate is high, and substantially, soil remediation instant effect has highly important meaning to effect for the current soil ecology reparation construction of China
Justice.
Brief description of the drawings
The Figure of description for constituting the part of the application is used for providing a further understanding of the present invention, of the invention to show
Meaning property and its illustrates, for explaining the present invention, not constitute inappropriate limitation of the present invention embodiment.In the accompanying drawings：
Fig. 1 shows the structural representation of the mill tube of the ball mill in a kind of preferred embodiment of the invention；
Fig. 2 shows the structural representations of the screen fence set between different mill storehouses in the mill tube of Fig. 1；And
Fig. 3 shows the side view that the ball mill of Fig. 1 is arranged on pedestal.
Wherein, above-mentioned accompanying drawing is marked including the following drawings：
10th, feeding mouth；30th, discharging opening；20th, mill tube；21st, the first mill storehouse, the 22, second mill storehouse, the 23, the 3rd mill storehouse；24th, filter
Sieve fence；
41st, mill tube drive shaft；42nd, vertical transmission arm；43rd, vertical coupling rod；
51st, horizontal conveyor arm；52nd, first level coupling rod；53rd, the second horizontal coupling rod；
50th, the first motor；40th, the second motor；60th, pedestal.
Specific embodiment
It should be noted that in the case where not conflicting, the feature in embodiment and embodiment in the application can phase
Mutually combination.The present invention is described in detail below in conjunction with embodiment.
It should be noted that " peat soil " in the present invention refers to ore deposit of the carbonation rate less than 10% for being present in colliery upper strata
Change organic remains layer, i.e. mineral humus.Wherein, the content of organic matter refers to using detected by NY/T1976-2010 methods
The content of organic matter.
As background section is previously mentioned, it is limited to there is repairing effect in soil-repairing agent of the prior art, and consumption
There is a problem of easily causing secondary pollution greatly.In order to improve the above-mentioned condition of prior art, in a kind of typical reality of the present invention
In applying mode, there is provided a kind of soil conditioner, the soil conditioner includes peat soil, the content of organic matter in peat soil >=
50wt%, the average grain diameter of peat soil is 0.5~15 μm.
Above-mentioned soil conditioner, by the peat soil of the organic matter containing above-mentioned content, and by the average grain diameter of peat soil
In 0.5~15 μ m of control so that the activity of the macromolecule functional group contained by the organic matter in peat soil is able to fully release
Put and play, and then cause that the soil conditioner can be quick at aspects such as the crumb structure to soil, material migration, moisture retentions
Produce positive effect.Additionally, the soil conditioner can also realize micro- quick supplement, edaphon is conducive to grow
Efficiency with the soil organism is played.Found by widely applying experiment, soil conditioner of the invention breaks up after entering soil
Hurry up, nutrient is complete, chelating ability is strong, and consumption is few, and effect is high.Using process without any secondary pollution, resource utilization is high, effect
Substantially, soil remediation instant effect, is of great significance for the current soil ecology reparation construction tool of China.
It is peat soil to the main component in above-mentioned soil conditioner, its content is at least soil conditioner gross weight
85%.Concrete content can be different according to the property of soil to be conditioned and content slightly has difference.Such as, alkali need not added to adjust
In the case of section soil pH value, 100% peat soil can be included.The number of the content according to other modifying ingredients for being added
The peat soil of corresponding content can suitably be reduced.Such as, when soil conditioner also includes mineral matter, and the mineral matter for adding contains
Amount is when reaching the 10% of soil conditioner gross weight, and remaining composition is peat soil (including the weight of moisture contained in peat soil
Amount).
In above-mentioned soil conditioner, the average grain diameter control of peat soil is enabled in the range of 0.5~15 μm
The activity of the macromolecule functional group in machine matter is played such that it is able to effectively had an effect with the inorganic ions in soil,
So as to improved soil performance.Control difficulty, production cost from the above-mentioned particle diameter of peat soil and activity it is high it is low in terms of comprehensively examine
Consider, preferably the average grain diameter of peat soil is 8~13 μm.Consider from the active more high angle to soil conditioning performance, preferably the tune
The average grain diameter of peat soil is below 5 μm in reason agent.
Above-mentioned soil conditioner is to the content requirement of organic matter in peat soil in more than 50wt%.It is organic in peat soil
Matter content is higher, and conditioner is also corresponding faster to the conditioning performance of soil.Thus, consider from the ageing angle of conditioning effect,
In a preferred embodiment of the invention, the content >=55wt% of organic matter in the peat soil of above-mentioned soil conditioner, more preferably
Content >=the 60wt% of organic matter in peat soil；Content >=the 65wt% of organic matter in further preferred peat soil.
In above preferred embodiment, soil conditioner slightly difference because of the difference of soil property or conditioning purpose.One
In preferred embodiment, soil conditioner also includes alkali, and alkali content in soil conditioner is 5wt%~10wt%.Another excellent
Select in embodiment, soil conditioner also includes mineral matter, content of the mineral matter in soil conditioner is 0.1wt%~5wt%.
Soil conditioner containing above-mentioned levels of base can improve the performance of acidified soil, and the soil for containing above-mentioned content mineral matter is adjusted
Reason agent can supplement soil needed for trace element, improve soil nutritional properties.
In another typical implementation method of the invention, a kind of preparation method of soil conditioner, the system are additionally provided
Preparation Method includes：The peat soil of the content of organic matter >=50wt% is crushed, broken soil is obtained；Classification is carried out to broken soil to grind
Mill screening, obtains the peat soil of average grain diameter≤5 μm.The method is tentatively broken by the peat soil to the above-mentioned content of organic matter
It is broken, to reach the size that can subsequently grind, classified grinding screening is then carried out, average grain diameter is finally given for 0.5~15 μm
Peat soil.The method sieved by classified grinding is ground screening step by step to natural peat soil so that the height in organic matter
The activity of molecule functional group is released or activates, so as to improve opsonic activity of the prepared soil conditioner to soil.
The above-mentioned peat soil by the content of organic matter >=50wt% is carried out in the broken step for obtaining and crush soil, it is any can be by
Peat soil is crushed to the rank that follow-up milling apparatus can grind.In a kind of preferred embodiment of the invention, by mud
Charcoal soil, by rotary-cut, is blown into 30~85 DEG C of wind in drum during rotary-cut, peat soil is crushed into average grain diameter≤1mm,
It is preferred that moisture is 5wt%~15wt% in broken soil.
The specific implementation of above-mentioned classified grinding has various, peat soil can be carried out often using existing milling apparatus
After secondary grinding, recycle existing screening plant to sieve the abrasive component of appropriate particle size, then carry out grinding next time and
Screening, until the particle diameter of gained peat soil meets the demand.Specific classified grinding method for sieving can be impact grinding,
Raymond mill or airflow milling combine the closed cycle grinding system to be formed with existing gas flow sizing machine.Wherein, gas flow sizing machine is adopted
Driven with variable-frequency motor, powder footpath is gone out with FREQUENCY CONTROL by the power for adjusting variable-frequency motor.Classified grinding is carried out to broken soil
The step of screening, can according to actual needs determine the number of times of grinding.
Include in a kind of preferred embodiment of the invention, the step of classified grinding is sieved：Broken soil is carried out for the first time
Grinding screening, obtains the grogs that average grain diameter is 100~500 μm；It is that 100~500 μm of grogs is ground for the second time to particle diameter
Mill screening, obtains the grogs that average grain diameter is 30~80 μm；It is that 30~80 μm of grogs carries out third time grinding screening to particle diameter,
Obtain the peat soil that average grain diameter is 0.5~15 μm；Preferably, the peat soil that average grain diameter is 8~13 μm is obtained；Or obtain
The peat soil of average grain diameter≤5 μm.Sieved by three grindings, screen size is reduced step by step, and then obtain with high activity
Peat soil.
The above-mentioned method for grinding screening in three times can be used cooperatively with screening plant using existing milling apparatus and realized,
Can be realized by being transformed existing milling apparatus.In a kind of preferred embodiment of the invention, above-mentioned classification is ground
Mill screening is realized using a kind of improved milling apparatus.As shown in figure 1, the milling apparatus are ball mill, the mill of the ball mill
Cylinder 20 is split by the screen fence 24 (as depicted in figs. 1 and 2) of three different pore sizes being respectively provided with along mill tube axle vertical direction
Into three mill storehouses, the first mill storehouse 21, second mill storehouse 22 and the 3rd mill storehouse 23.From feeding mouth 10 to the direction of discharging opening 30, filter
The aperture for sieving fence 24 is respectively 100~500 μm, 30~80 μm and 5~12 μm.Using above-mentioned aperture respectively to three mill storehouses
In powder sieved, and the diameter to grinding used abrading-ball in each mill storehouse is not particularly limited, as long as disclosure satisfy that
Above-mentioned screening requirement.It is highly preferred that three mill storehouses are respectively adopted a diameter of 15~30mm, 10~15mm and 3~10mm
Abrading-ball be ground.The change of the size and number of ball radius makes powder attenuate step by step.The aperture of screen fence 24 causes
The particle diameter of powder reaches corresponding grinding effect with the corresponding relation of the size and number of abrading-ball.Mill tube inwall and abrading-ball are from resistance to
The fast material of impact, corrosion-resistant, heat conduction can reach temperature control effect and service life.
It is highly preferred that as shown in figure 3, above-mentioned mill tube 20 is entirely through the horizontal coupling rod of first level coupling rod 52 and second
53 one end for being fixed on horizontal conveyor arm 51, the other end of horizontal conveyor arm 51 drives wagging by the first motor 50,
Vertical transmission arm 42 is connected by vertical coupling rod 43 with the mill tube drive shaft 41 of two mill tubes, and causes mill tube drive shaft 41
Enter line slip along the groove being opened in the connecting rod being connected with the mill tube drive shaft 41, and in the driving lower edge of the second motor 40
Groove is moved up and down, and constitutes controllable variable track vibromill.
Two controllable change rail vibromills of identical, the arm of force (the first level company of horizontal direction is connected using a central point
The horizontal coupling rod 53 of axostylus axostyle 52 and second), make two mill tube horizontal direction symmetrical operations, balance is positioned on pedestal 60.
The vibration frequency of the arm of force of level and upper and lower two vertical direction is 10~60Hz, and amplitude is 5~38cm, by frequency conversion
Power of motor is adjusted.
From material inlet to outlet, the abrading-ball of descending different-diameter and the screen of different meshes are placed in three mill cabins；
Material outlet screen is less than 10 microns in 1340~3000 mesh, material grinding finished product average grain diameter.
In above-mentioned preparation method, before classified grinding screening is carried out to broken soil, according to the soil to be prepared regulation
The nuance of the effect of agent, there is also a little difference on its preparation method.In a preferred embodiment, above-mentioned preparation
Method before classified grinding screening is carried out to broken soil, also including to alkali and/or mineral matter is added in broken soil the step of, it is excellent
Select the addition of alkali and/or mineral matter with alkali content in peat soil as 5wt%~10wt% and/or content of mineral substances be
0.1wt%~5wt% is defined.With the addition of the alkali of above-mentioned content can prepare the conditioning agent of regulation acidified soil, and on adding
Stating the mineral matter of content can prepare the conditioning agent of supplement ASI systematic approach.Ibid addition above two composition can be prepared
Acidified soil can be adjusted, the soil conditioner of ASI systematic approach is supplemented again.
In a kind of typical implementation method of the present invention, a kind of soil conditioner answering in soil regulation is additionally provided
With the application is included to being acidified hardened soil, salt affected soil, prone soil, stony desertification soil or the tune of heavy-metal contaminated soil
Section.
According to the difference of soil property, the mode nursed one's health soil using soil conditioner of the invention is also slightly had not
Together.In the present invention, during its conditioning mode includes but are not limited to directly place into the soil soil conditioner, or soil is adjusted
Section agent is prepared into spray solution in soil surface.
Further illustrate beneficial effects of the present invention below in conjunction with specific embodiments.
Embodiment 1
Natural peat soil (content of organic matter is 50wt%) is obtained into the peat that particle diameter is 900 μm in drum by rotary-cut
Soil, is blown into less than 65 DEG C of wind during rotary-cut, water content is reached 15%, by normal temperature pipeline to feed bin, uniformly
The alkali (NaOH) for prepared soil conditioner gross weight 6% is admixed, by a downward pipeline to the controllable change of three-level
Rail ball mill inlet.The controllable change rail ball mill of three-level vibration frequency in the horizontal direction is 30cm, vertical direction into 50Hz, amplitude
Vibration frequency for 20Hz, amplitude for 10cm vibration condition under be ground, powder 300kg is gone out per hour.
Wherein, diameter respectively 15mm, 10mm of the abrading-ball that three in the controllable change rail ball mill of three-level mill storehouses use and
3mm, the aperture of three-level screen fence is respectively 100 μm, 30 μm and 5 μm.
The particle diameter of gained powder is detected using dry method particle size analyzer, obtains average grain diameter for 4 μm.
Embodiment 2
Natural peat soil (content of organic matter is 55wt%) is obtained into the peat that particle diameter is 950 μm in drum by rotary-cut
Soil, is blown into less than 55 DEG C of wind during rotary-cut, water content is reached 5%, by normal temperature pipeline to feed bin, uniformly mixes
With the alkali (CaO and each half of NaOH) for prepared soil conditioner gross weight 7%, by a downward pipeline, under nature
Fall, be transported to the controllable change rail ball mill inlet of three-level.The controllable change rail ball mill of three-level vibration frequency in the horizontal direction into 40Hz,
Amplitude is 20cm, the vibration frequency of vertical direction is 40Hz, amplitude to be ground under the vibration condition of 20cm, powder is gone out per hour
500kg。
Wherein, diameter respectively 30mm, 15mm of the abrading-ball that three in the controllable change rail ball mill of three-level mill storehouses use and
10mm, the aperture of three-level screen fence is respectively 500 μm, 80 μm and 20 μm.
The particle diameter of gained powder is detected using dry method particle size analyzer method, obtains average grain diameter for 13 μm.
Embodiment 3
Natural peat soil (content of organic matter is 60wt%) is obtained into the peat that particle diameter is 890 μm in drum by rotary-cut
Soil, is blown into less than 85 DEG C of wind during rotary-cut, water content is reached 10%, by normal temperature pipeline to feed bin, uniformly
The alkali (KOH) for prepared soil conditioner gross weight 5% is admixed, by a downward pipeline, is fallen naturally, be transported to three
The controllable change rail ball mill inlet of level.The controllable change rail ball mill of three-level vibration frequency in the horizontal direction is 38cm into 60Hz, amplitude,
It is ground under the vibration condition that the vibration frequency of vertical direction is 10Hz, amplitude is 10cm, powder 450kg is gone out per hour.
Wherein, diameter respectively 18mm, 12mm of the abrading-ball that three in the controllable change rail ball mill of three-level mill storehouses use and
6mm, the aperture of three-level screen fence is respectively 180 μm, 40 μm and 6 μm.
The particle diameter of gained powder is detected using dry method particle size analyzer method, obtains average grain diameter for 5 μm.
Embodiment 4
Natural peat soil (content of organic matter is 88wt%) is obtained into the peat that particle diameter is 800 μm in drum by rotary-cut
Soil, is blown into less than 75 DEG C of wind during rotary-cut, water content is reached 8%, by normal temperature pipeline to feed bin, uniformly mixes
(containing selenium 0.5wt%) native with the selenium of the alkali (KOH) of soil conditioner gross mass 5% and 2wt% for prepared by, by one downwards
Pipeline, naturally fall, be transported to the controllable change rail ball mill inlet of three-level.The controllable change rail ball mill of three-level shaking in the horizontal direction
Dynamic frequency is that 30Hz, amplitude are 18cm, and the vibration frequency of vertical direction is 20Hz, amplitude under the vibration condition of 15cm to be ground
Mill, goes out powder 300kg per hour.
Wherein, diameter respectively 15mm, 13mm of the abrading-ball that three in the controllable change rail ball mill of three-level mill storehouses use and
5mm, the aperture of three-level screen fence is respectively 150 μm, 60 μm and 4 μm.
Application method is closed using impact grinding and gas flow sizing machine, by gas flow sizing machine Power Control, to gained powder
The particle diameter at end is detected that it is 9 μm that can obtain average grain diameter.
Embodiment 5
By natural minerals peat soil, the content of organic matter is 79%, through desanding, common crusher in crushing to particle diameter 2mm, 75
DEG C air-dry, water content is reached 10%, impact grinding feeding mouth is sent into, by product outlet after gas flow sizing machine classification, to gained
Powder is detected that it is 9 μm that can obtain mineral humus powder average particle size.Impact grinding power is transferred to 60KW, air current classifying
Acc power is transferred to 25KW, and powder 900kg is gone out per hour.
The particle diameter of gained powder is detected using dry method particle size analyzer method, obtains average grain diameter for 9 μm.
Embodiment 6
To adding NaOH, KOH to form mixture in the peat soil containing organic matter 60%, the wherein addition of NaOH is mixing
The addition of 3%, KOH of thing weight is the 5% of mixture weight.By mixture point two-stage grinding screening, average grain is worked into
Footpath is 5 μm, more than 3000 mesh accounts for 80%, and pH value is 8.5 soil conditioner.
Management goal is that MeiZhou,GuangDong pH value is 5.3, and the content of organic matter is 1.15%, and the hardened ground 1000 of severe acidifying is flat
Rice.
The above-mentioned soil conditioners of 30kg are poured into 5 cubic metres of ponds for filling with water, solubility is more than 90%, pH value is
8.5, after stirring, soil surface is uniformly poured onto, loosing soil after half an hour, from ground, down the 35cm earth 1kg that fetch earth add water
50kg, chemical examination P in soil H value are 6.5, and soil organic matter content is 1.85% after three months, and the electrical conductivity for chemically examining soil is 450 μ
S/cm, soil conditions are substantially improved.
Embodiment 7
To adding KOH to form mixture in the peat soil containing organic matter 65%, the wherein addition of KOH is mixture weight
3%.By mixture point three-level grinding screening, average grain diameter is worked into for 5 μm, pH value is 7.2 soil conditioner.
Management goal is that pH value is 8.6, salt content 2.4%, heavy salinized 30 mu of ground.
Using 10 tons of water carrying capacity sprinkling trucks, above-mentioned soil conditioner 50kg is added every time, share 200 tons of water, soil conditioning
1 ton of agent.After 24 hours, take 30cm soil and survey pH value 7.5.20 mu of maize planting, emergence rate is more than 81%, survival rate 95%, 10
Mu other crops, survival rate be more than 70%, survival rate 93%.After three months, soil organic matter content improves 17.3 times, chemical examination soil
The electrical conductivity of earth is 397 μ s/cm.
Embodiment 8
Management goal is that desertification thickness is more than 30cm, and the content of organic matter is 1.3% 20 mu of desertification ground.
Using the soil conditioner of embodiment 7, its consumption 600Kg, ibid, celery 10 is planted on Cangzhou Zhong Jie farms to usage
Mu, 21823 jin of yield, 10 mu of romaine lettuce, 31252 jin of yield.After three months, soil organic matter content 2.1% chemically examines the electricity of soil
Conductance is 400 μ s/cm.
Embodiment 9
To adding KOH to form mixture in the peat soil containing organic matter 75%, the wherein addition of KOH is mixture total weight
The 3% of amount.To mixture be crushed to 1mm and following, it is 5 μm then to use three-level grind screening to be worked into average grain diameter,
More than 3000 mesh account for 70%, the soil conditioner of pH value 7.2.
Management goal is：Yunnan lava basin, soil average thickness is less than 8.2cm on rock, and soil organic matter content is low
In 1.5% 10 mu of soil.
Above-mentioned soil conditioner consumption 600Kg, usage ibid, plants radish, each 5 mu of pumpkin.6350 jin of radish yield, pumpkin
12665 jin of yield.After three months, soil organic matter content is 15%, and average thickness of soil is 11cm, chemically examines the electrical conductivity of soil
It is 366 μ s/cm.
Embodiment 10
To adding KOH, mineral matter to form mixture in the peat soil containing organic matter 70%, the wherein addition of KOH is mixed
The 5% of compound gross weight, the addition of mineral matter is the 2.0% of total weight of the mixture.Mixture be crushed to 1mm and with
Under, it is 15 μm then to use three-level grind screening to be worked into average grain diameter, the soil conditioner of pH value 7.2.
Management goal is：Yunnan lava basin, soil average thickness is less than 8.2cm on rock, and soil organic matter content is low
In 1.8% 10 mu of soil.
Above-mentioned soil conditioner consumption 600Kg, usage ibid, plants radish, each 5 mu of pumpkin.6380 jin of radish yield, pumpkin
12668 jin of yield.After three months, soil organic matter content is 2.2%, and average thickness of soil is 13cm, chemically examines the conductance of soil
Rate is 350 μ s/cm.
Embodiment 11
To adding KOH, mineral matter to form mixture in the peat soil containing organic matter 70%, the wherein addition of KOH is mixed
The 5% of compound gross weight, the addition of mineral matter is the 2.0% of total weight of the mixture.Mixture be crushed to 1mm and with
Under, it is 0.5 μm then to use three-level grind screening to be worked into average grain diameter, the soil conditioner of pH value 7.0.
Management goal is：Yunnan lava basin, soil average thickness is less than 8.2cm on rock, and soil organic matter content is low
In 1.9% 10 mu of soil.
Above-mentioned soil conditioner consumption 600Kg, usage ibid, plants radish, each 5 mu of pumpkin.6450 jin of radish yield, pumpkin
12692 jin of yield.After three months, soil organic matter content is 2.2%, and average thickness of soil is 15cm, chemically examines the conductance of soil
Rate is 320 μ s/cm.
Comparative example 1
To adding NaOH, KOH to form mixture in the peat soil containing organic matter 60%, the wherein addition of NaOH is mixing
The addition of 3%, KOH of thing weight is the 5% of mixture weight, and the soil-repairing agent that pH value is 9.2 is obtained after mixing.
Management goal is that MeiZhou,GuangDong pH value is 5.3, and the content of organic matter is 1.15%, and the hardened ground 1000 of severe acidifying is flat
Rice.
The above-mentioned soil-repairing agents of 30kg are poured into 5 cubic metres of ponds for filling with water, pH value is 9.2, after stirring, uniformly poured
It is poured into soil surface, loosing soil in 24 hours, from ground, down the 35cm earth 1kg that fetch earth add water 50kg, and chemical examination P in soil H values are
5.7, soil organic matter content is 1.2% after three months, and the electrical conductivity for chemically examining soil is 750 μ s/cm, the improvement of soil acidification state
It is unobvious.
Comparative example 2
Average grain diameter is worked into for 74 μm (200 mesh) in the peat soil that organic matter 65% will be contained, and pH value is that 6.3 soil is repaiied
Multiple agent.
Management goal is that pH value is 8.6, salt content 2.4%, heavy salinized 30 mu of ground.
By 1 ton of uniform broadcasting of soil-repairing agent on heavy salinized ground soil surface.After 24 hours, take 30cm soil and survey PH
Value 8.4.20 mu of maize planting, emergence rate 30%, survival rate 5%, 10 mu of other crops, survival rate 3%.After three months, soil
The content of organic matter improves 0.3 times, and the electrical conductivity for chemically examining soil is 1100 μ s/cm.
From the point of view of above-described embodiment 6 to 11 and comparative example 1 and 2 pairs of improved effects of soil, although existing soil is repaiied
Multiple agent adjusts also tool to soil and has certain effect, but because the particle diameter of the peat soil containing organic matter is than larger, in peat soil
Organic matter is more to be existed with polymer, wherein active functional group is not discharged fully and played, thus
It is poor compared with 6 to 11 pairs of reclamation results of embodiment.
Wherein, from embodiment 6 and comparative example 1 relatively from the point of view of, the peat soil in comparative example 1 without attrition process, thus
Particle is larger, higher with the soil-repairing agent pH value that alkali is mixed to form, thus for severe acidifying ground pH value adjustment effect with
Embodiment 6 is identical, but the organic matter existed with macromolecule in comparative example 1 is difficult to be had an effect with the inorganic ions in soil, because
And also it is difficult to the electrical conductivity on improvement acidifying ground.Electrical conductivity is higher, illustrates that the inorganic ion content in soil is higher；And electrical conductivity is got over
It is low, illustrate that the inorganic ions in the soil after improvement is combined by organic molecule.
As can be seen from the above description, the above embodiments of the present invention realize following technique effect：By multistage
The method for grinding screening, by peat soil by after low temperature drying pretreatment, being worked into micron order or thinner, makes it have extremely strong
Activity, keeps the various macromolecule functional groups activity in its original organic matter, crumb structure, material migration to soil, moisturizing
Property etc. can quickly produce actively beneficial effect, and trace element is quickly supplemented, be conducive to edaphon grow and
The efficiency of the soil organism is played.And, by widely apply experiment find, ultra-fine peat earth mixtures, into soil after point
Change soon, nutrient is complete, chelating ability is strong, and consumption is few, and effect is high.Using process without any secondary pollution, resource utilization is high, effect
Substantially, soil remediation instant effect is of great significance fruit for the current soil ecology reparation construction tool of China.
The preferred embodiments of the present invention are the foregoing is only, is not intended to limit the invention, for the skill of this area
For art personnel, the present invention can have various modifications and variations.It is all within the spirit and principles in the present invention, made any repair
Change, equivalent, improvement etc., should be included within the scope of the present invention.
Claims (14)
1. the natural peat soil by the content of organic matter more than 60%, pre-processes and arrives water content 5%~15%, below particle diameter 1mm, plus
Enter the superfines of 5%~10% alkali and 0.1%~5% mineral matter through being ground under normal temperature and pressure below 5 microns of particle diameter,
Admixed with soil or dissolve in 100~300 times of water and poured in soil surface and spilt.
2. according to claim 1, alkali and mineral can be used alone with peat soil, or compound use.
3. according to claim 1, the method be applied to it is acid hardenedly, salt-soda soil, the ground that desertifies, stony desertification ground.
4. according to claim 1, the peat soil micro mist soil conditioner content of organic matter is more than 55%.
5. a kind of soil conditioner, it is characterised in that the soil conditioner includes peat soil, organic matter in the peat soil
Content >=50wt%, the average grain diameter of the peat soil is 0.5~15 μm.
6. soil conditioner according to claim 5, it is characterised in that the average grain diameter of the peat soil be 8~13 μm or
Average grain diameter≤5 μm of peat soil described in person.
7. the soil conditioner according to claim 5 or 6, it is characterised in that the content of organic matter in the peat soil >=
55wt%, the content >=60wt% of organic matter in preferably described peat soil；The content of organic matter in more preferably described peat soil >=
65wt%.
8. the soil conditioner according to claim 5 or 6, it is characterised in that the soil conditioner also includes alkali and/or ore deposit
Material, preferably described alkali content in the soil conditioner is 5wt%~10wt%, and preferably described mineral matter is in the soil
Content in conditioner is 0.1wt%~5wt%.
9. a kind of preparation method of soil conditioner, it is characterised in that the preparation method includes：
The peat soil of the content of organic matter >=50wt% is crushed, broken soil is obtained；
Classified grinding screening is carried out to the broken soil, the peat soil that average grain diameter is 0.5~15 μm is obtained.
10. preparation method according to claim 9, it is characterised in that the average grain diameter≤1mm of the broken soil, preferably
Moisture is 5wt%~15wt% in the broken soil.
11. preparation methods according to claim 10, it is characterised in that classified grinding screening is carried out to the broken soil
Step includes：
Grinding screening for the first time is carried out to the broken soil, the grogs that average grain diameter is 100~500 μm is obtained；
Second grinding screening is carried out to the grogs that the particle diameter is 100~500 μm, the soil that average grain diameter is 30~80 μm is obtained
Grain；
Third time grinding screening is carried out to the grogs that the particle diameter is 30~80 μm, the mud that average grain diameter is 0.5~15 μm is obtained
Charcoal soil；
Preferably, the peat soil that average grain diameter is 8~13 μm is obtained；Or obtain the peat soil of average grain diameter≤5 μm.
12. preparation method according to any one of claim 9 to 11, it is characterised in that carried out to the broken soil
Before classified grinding screening, the preparation method is also included the step of to alkali and/or mineral matter is added in the broken soil, preferably
The addition of the alkali with alkali content in the peat soil as 5wt%~10wt%, the content of mineral substances be 0.1wt%~
5wt% is defined.
The application of soil conditioner any one of 13. claims 5 to 8 in soil regulation, it is characterised in that described
Using including to being acidified hardened soil, salt affected soil, prone soil, stony desertification soil or the regulation of heavy-metal contaminated soil.
14. applications according to claim 13, it is characterised in that the application includes directly burying the soil conditioner
In entering soil, or the soil conditioner is prepared into spray solution in soil surface.
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| CN112661577A (en) * | 2020-11-16 | 2021-04-16 | 周鑫 | Preparation method and equipment of composite soil conditioner and composite soil conditioner |
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| CN110574519B (en) * | 2019-10-10 | 2022-05-17 | 淄博清大粉体材料工程有限公司 | Special equipment for improving desert planting structure and planting method |
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