CN110105132A - A kind of soil conditioner and preparation method thereof - Google Patents

A kind of soil conditioner and preparation method thereof Download PDF

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Publication number
CN110105132A
CN110105132A CN201910329903.7A CN201910329903A CN110105132A CN 110105132 A CN110105132 A CN 110105132A CN 201910329903 A CN201910329903 A CN 201910329903A CN 110105132 A CN110105132 A CN 110105132A
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China
Prior art keywords
binder
soil
soil conditioner
charcoal
borax
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Chinese (zh)
Inventor
梅延安
胡政权
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Hubei Fusource Biology Of Biological Technology Co Ltd
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Hubei Fusource Biology Of Biological Technology Co Ltd
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Priority to CN201910329903.7A priority Critical patent/CN110105132A/en
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    • C—CHEMISTRY; METALLURGY
    • C05—FERTILISERS; MANUFACTURE THEREOF
    • C05C—NITROGENOUS FERTILISERS
    • C05C3/00—Fertilisers containing other salts of ammonia or ammonia itself, e.g. gas liquor
    • 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
    • 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
    • C05G3/60—Biocides or preservatives, e.g. disinfectants, pesticides or herbicides; Pest repellants or attractants
    • 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
    • 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
    • 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
    • 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

Abstract

The invention discloses a kind of soil conditioners, it is made of following weight parts proportion raw material: charcoal 58-62%, pyroligneous acid 15-17%, conch meal 21-23%, borax 0.2-0.4%, zinc sulfate 0.2-0.4%, magnesium sulfate 0.2-0.4%, ammonium molybdate 0.05-0.2% and binder 0.9-1.2%；The preparation method of soil conditioner includes: to weigh, crush, mix, be gelatinized and dry.Soil conditioner disclosed by the invention is very friendly to soil environment and crops, the secondary pollution of environment is not will cause, the problem of effectively improving the content of organic matter in soil, improving soil acidification, hardened and serious heavy metal pollution, realizes the sustainable development of agricultural.

Description

A kind of soil conditioner and preparation method thereof
Technical field
The present invention relates to technical field of land improvement, more particularly to a kind of soil conditioner and its preparation side Method.
Background technique
For many years, with the reduction of cultivated area, soil resource excess load is utilized, rural laborer is insufficient, chemical fertilizer is a large amount of The problem of the problem of use is prominent, and locally hardened soil, acidification, content of organic matter reduction, farmland quality is caused to degenerate or even office There is the phenomenon that heavy metal pollution in portion, has seriously affected agricultural product quality and grain security.
Currently, the improvement of soil mostly uses soil conditioner, still, widely applied acid soil changes in the prior art Good dose is white lime, though extensive application white lime improves the acidity of soil for a long time, can also kill a large amount of edaphons, and And white lime and air CO2And moisture generates calcium carbonate, will cause soil hardening；Heavy metal pollution of soil is repaired frequently with biology The methods of multiple, peripheral doses, chemical remediation.It is biological prosthetic main using plant extract and enrichment, this method required time period Length is difficult to promote and apply；Peripheral doses method is mainly soil moved in improve the original and plough deeply, and soil moved in improve the original methods engineering amount is big, and a large amount of soil moved in improve the original sources are also A problem；It is serious to plough deeply method farming damage layer；Chemical remediation is at high cost, it is difficult to large-area applications；It is normal to increase the soil organism The often organic fertilizer of investment feces of livestock and poultry production, this will increase heavy metal content in soil, because adding various trace elements in feed Additive, such as Cu, Zn, Mn, Cr, Cd, Ni, long-term a large amount of applications will lead to heavy metal-polluted soil accumulation, form secondary pollution.
Therefore, how a kind of soil improvement that can be obviously improved the soil organism, improvement acidity and heavy metal pollution is provided The problem of agent and preparation method thereof is those skilled in the art's urgent need to resolve.
Summary of the invention
In view of this, soil conditioner is former using biology the present invention provides a kind of soil conditioner and preparation method thereof Material is made, very friendly to soil environment and crops, not will cause the secondary pollution of environment.It effectively improves in soil The content of organic matter, realizes the sustainable development of agricultural at the problem of improving soil acidification, hardened and serious heavy metal pollution.
To achieve the goals above, the present invention adopts the following technical scheme:
A kind of soil conditioner is made of: charcoal 58-62%, 15-17%, shell the raw material that following weight parts match Powder 21-23%, borax 0.2-0.4%, zinc sulfate 0.2-0.4%, magnesium sulfate 0.2-0.4%, ammonium molybdate 0.05-0.2% and viscous Tie agent 0.9-1.2%.
Optionally, the soil conditioner is made of the raw material of following more excellent weights: charcoal 59-60%, wood Acetic acid 15-16%, conch meal 21-23%, borax 0.2-0.3%, zinc sulfate 0.2-0.4%, magnesium sulfate 0.2-0.4%, molybdic acid Ammonium 0.05-0.2% and binder 0.9-1.2%.
Optionally, the soil conditioner is made of the raw material of following optimal weights: charcoal 60%, pyroligneous acid 16%, conch meal 22%, borax 0.3%, zinc sulfate 0.3%, magnesium sulfate 0.3%, ammonium molybdate 0.1% and binder 1.0%.
Optionally, the binder includes: starch adhesive.
Optionally, the pH value of the soil conditioner is 8.0-11.0.
A kind of preparation method of soil conditioner, is prepared by following step:
1) weigh raw material: according to weight described in above-mentioned any one weigh charcoal, pyroligneous acid, conch meal, Borax, zinc sulfate, magnesium sulfate, ammonium molybdate and binder；Wherein, charcoal is the product that crop material passes through high temperature cabonization, i.e., Raw material are the stalk of cotton, rice or wheat, carry out destructive distillation under conditions of 450-600 DEG C of isolation air, the carbon in stalk Hydrogen compound decomposition and inversion at products such as charcoal, wood tar, pyroligneous acid and combustible gases, wherein wood tar, pyroligneous acid with it is flammable Gas is volatilized into gaseous state at high temperature, and by condensing recovery wood tar and pyroligneous acid, stratification, wood tar is not soluble in water, And specific gravity is greater than water, is sunken to bottom, upper layer is the aqueous solution of pyroligneous acid, and the fuel gas not being condensed is for combustion heating biology Matter raw material, the black solid left after burning are charcoal.The porosity of charcoal is 75-88%, bulk density 0.45g/ cm3, water-holding capacity 200-3005, pH 9.0-11.0.
2) it mixes: the charcoal be crushed into 40-60 mesh；Shell crushed 60-100 mesh；By borax, sulfuric acid Zinc, magnesium sulfate and ammonium molybdate are uniformly mixed and crush, and it is spare to cross 40-60 mesh；And by after sieving raw material and pyroligneous acid mix Uniformly, mixture is obtained；
3) it is gelatinized: the binder being placed in gelatinization pot and is gelatinized, it is outstanding to be modulated into the binder that concentration is 1%-2% Supernatant liquid, it is spare；
4) it dries: the mixture being placed in pelletizer, the binder suspension is added, is dried.
5) pack: the particle of screening diameter 2-4mm is packed, and the particle greater than 4mm or less than 2mm, which crushes, to carry out again It is granulated.
Optionally, the specific steps of gelatinization are as follows:
1) proper amount of clear water is added in gelatinization pot, the binder is added while stirring, the binder is modulated into dense Degree is the binder suspension of 2-10%；
2) the binder suspension is directly heated or indirect steam heating is to 90-95 DEG C, and kept the temperature at this temperature 20min, the concentration for being finally diluted with water to binder is 1-2%, spare.
It is optional: when the mixture is dried, to use roller dryer that mixture is dried to moisture as 2- 15%.
It can be seen via above technical scheme that compared with prior art, what the present invention reached has the technical effect that
1) raw material by crush, mixing, be granulated, examine, screening, packaging etc. processing technologys, product processing method is simple, It is easy to use.
2) the superpower suction-operated of charcoal is utilized, adsorbs nutrient in soil, moisture improves soil water-reataining fertilizer-keeping ability, absorption H in soil+、Al3+Soil acidity or alkalinity is improved, heavy metals in soil is adsorbed, heavy metal content in soil is reduced, avoids heavy metal Harm, enables contaminated soil to plant out qualified products.Contain a large amount of calcium activateds, silicon and a small amount of magnesium, zinc, boron, copper in charcoal simultaneously Etc. various trace elements, can suitably supplement soil alkali, charcoal stability is extremely strong, will not be decomposed by edaphon, improve Soil organic matter content.
3) conch meal contains CaCO abundant3, content about 95%, thick protein 1.83%, crude fat 0.07%, in conch meal Not only contain a large amount of calcium, but also containing necessary to crop: the nutrients such as nitrogen, phosphorus, potassium, magnesium, copper, zinc, iron, manganese, with And the ingredient of chitin, amino acid, protein, active height, the features such as easily absorption.Can constantly improve soil fertility, with Charcoal is soil supplement alkali jointly, effectively improves soil pH, improves soil acidity, without side-effects to soil and crop.
4) pyroligneous acid contains gas chromatography, such as nearly hundred kinds of acetic acid, methanol, acetaldehyde, acetone, ethyl acetate ingredients, Middle fractions can be directly absorbed and utilized by crop and promote plant growth, be a kind of good soil conditioner, can activated soil Earth nutrient inhibits soil harmful microorganism, kills or disinfest, and wherein acetic acid can be with the CaCO in conch meal3Reaction generates Calcium acetate activates calcium in conch meal, improves the effective percentage of calcium.
In conclusion soil conditioner provided by the invention effectively improves the content of organic matter in soil, improve The problem of soil acidification, hardened and serious heavy metal pollution, realize the sustainable development of agricultural.
Specific embodiment
The following is a clear and complete description of the technical scheme in the embodiments of the invention, it is clear that described embodiment Only a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, the common skill in this field Art personnel every other embodiment obtained without making creative work belongs to the model that the present invention protects It encloses.
Embodiment one
The embodiment of the invention discloses a kind of soil conditioners, it is made of the raw material of following optimal weights: raw Object charcoal 60%, pyroligneous acid 16%, conch meal 22%, borax 0.3%, zinc sulfate 0.3%, magnesium sulfate 0.3%, ammonium molybdate 0.1% And binder 1.0%.
Soil conditioner the preparation method comprises the following steps:
1) weigh raw material: according to weight weigh charcoal, pyroligneous acid, conch meal, borax, zinc sulfate, magnesium sulfate, Ammonium molybdate and binder.
2) it mixes: charcoal be crushed into 40 meshes；Shell crushed 60 meshes；By borax, zinc sulfate, magnesium sulfate and molybdenum Sour ammonium is uniformly mixed and crushes, and it is spare to cross 40 meshes；And by after sieving raw material and pyroligneous acid be uniformly mixed, obtain mixture；
3) it is gelatinized: proper amount of clear water being added in gelatinization pot, starch adhesive is added while stirring, starch adhesive is modulated The starch adhesive suspension for being 5% at concentration；With being directly or indirectly steam heated to 93 DEG C, and keep the temperature at this temperature 20min, the concentration for being finally diluted with water to starch adhesive is 1.5%, spare；
4) it dries: mixture is placed in pelletizer, starch adhesive suspension is added, is dried, until in mixture Moisture be 2%, stop drying.
5) pack: the particle of screening diameter 2mm is packed, and the particle crushing greater than 4mm or less than 2mm is made again Grain.
Soil conditioner in the present embodiment is applied to corn field and tested by applicant, respectively not to field application With the soil conditioner of dosage: processing 1: not applying soil conditioner；Processing 2: soil conditioner 100kg/ mus of application；Processing 3: Soil conditioner 200kg/ mus of application；Processing 4: soil conditioner 400kg/ mus of application, concrete outcome such as table one:
Table one
As can be seen from Table 1 apply the present embodiment in 100Kg/ mus of soil conditioner, 200Kg/ mus, 400Kg/ mus compare respectively Soil conditioner is not applied to compare: pH promoted 0.3,0.5 and 0.8, the soil organism respectively than increase by 0.6,1.2 and 2.0g/Kg, The effective cadmium content of soil reduces by 0.31,0.47 and 0.68mg/Kg, reduces by 33.3,50.5 and 73.1% respectively, corn kernel cadmium contains Amount reduce by 0.19,0.25 and 0.29mg/Kg, respectively reduce by 54.3,71.4 and 82.9%, corn yield improve 56.4,125.3 and 253.2Kg/ mus, increase production 9.1,20.1 and 40.6% respectively.
Applicant is respectively to the soil conditioner and in the prior art in the present embodiment of corn field application phase homogenous quantities White lime, obtained contrast effect such as table two:
Table two
As can be seen from Table II: application soil conditioner increases 1.3g/Kg than the application white lime soil organism, and soil has Imitating cadmium content reduces 0.05mg/Kg, and corn kernel cadmium content reduces 0.02mg/Kg, and corn yield improves 6.8Kg/ mus, microorganism Content is apply white lime 104Times.
The content of various components is defined in the present embodiment, therefore, applicant has done a large amount of test, with verifying Influence of the mass fraction of charcoal to final effect, is shown in Table three:
Table three
The soil that applicant applies the soil conditioner in the present embodiment to corn field respectively and removes pyroligneous acid ingredient Earth modifying agent, contrast effect are shown in Table four:
Table four
As shown in Table 4, pyroligneous acid can promote the growth of crop, inhibits or kills the harmful microorganism in soil, increase soil Active calcium content in earth.
Embodiment two
A kind of soil conditioner, it is made of following weight parts proportion raw material: charcoal 58.25%, pyroligneous acid 17%, shellfish Shell powder 23%, borax 0.4%, zinc sulfate 0.2%, magnesium sulfate 0.2%, ammonium molybdate 0.05% and binder 0.9%, soil improvement The pH value of agent is 7.
Soil conditioner the preparation method comprises the following steps:
1) weigh raw material: according to weight weigh charcoal, pyroligneous acid, conch meal, borax, zinc sulfate, magnesium sulfate, Ammonium molybdate and binder.
2) it mixes: charcoal be crushed into 50 meshes；Shell crushed 70 meshes；By borax, zinc sulfate, magnesium sulfate and molybdenum Sour ammonium is uniformly mixed and crushes, and it is spare to cross 50 meshes；And be uniformly mixed the raw material after sieving, obtain mixture；
3) it is gelatinized: proper amount of clear water being added in gelatinization pot, starch adhesive is added while stirring, starch adhesive is modulated The starch adhesive suspension for being 2% at concentration；With being directly or indirectly steam heated to 90 DEG C, and keep the temperature at this temperature 20min, the concentration for being finally diluted with water to starch adhesive is 1%, spare；
4) it dries: mixture is placed in pelletizer, starch adhesive suspension is added, is dried, until in mixture Moisture be 10%, stop drying.
5) pack: the particle of screening diameter 3mm is packed, and the particle crushing greater than 4mm or less than 2mm is made again Grain.
Soil conditioner in the present embodiment is applied to corn field and tested by applicant, respectively not to field application With the soil conditioner of dosage: processing 1: not applying soil conditioner；Processing 2: soil conditioner 100kg/ mus of application；Processing 3: Soil conditioner 200kg/ mus of application；Processing 4: soil conditioner 400kg/ mus of application, concrete outcome such as table five:
Table five
It can be seen that 100Kg/ mus of the soil conditioner applied in the present embodiment, 200Kg/ mus, 400Kg/ mus of difference from table five Compare than not applying soil conditioner: pH promotes 0.2,0.4 and 0.7, and the soil organism increases by 0.2,0.9 and 1.7g/Kg, soil Effective cadmium content reduces by 0.28,0.39 and 0.67mg/Kg, and corn kernel cadmium content reduces by 0.07,0.23,0.26mg/Kg, corn Yield improves 34.4,116.3 and 219.2Kg/ mus than not applying soil biological modifying agent control respectively.
Applicant is respectively to the soil conditioner and in the prior art in the present embodiment of corn field application phase homogenous quantities White lime, obtained contrast effect such as table six:
Table six
As can be seen from Table VI: application soil conditioner increases 1.1g/Kg than the application white lime soil organism, and soil has Imitating cadmium content reduces 0.06mg/Kg, and corn kernel cadmium content reduces 0.01mg/Kg, and corn yield improves 3.1Kg/ mus, microorganism Content is apply white lime 104Times.
The content of various components is defined in the present embodiment, therefore, applicant has done a large amount of test, with verifying Influence of the mass fraction of charcoal to final effect, is shown in Table seven:
Table seven
The soil that applicant applies the soil conditioner in the present embodiment to corn field respectively and removes pyroligneous acid ingredient Earth modifying agent, contrast effect are shown in Table eight:
Table eight
As shown in Table 8, pyroligneous acid can promote the growth of crop, inhibits or kills the harmful microorganism in soil, increase soil Active calcium content in earth.
Embodiment three
A kind of soil conditioner, it is made of following weight parts proportion raw material: charcoal 62%, pyroligneous acid 15%, shell Powder 21%, borax 0.2%, zinc sulfate 0.4%, magnesium sulfate 0.2%, ammonium molybdate 0.2% and binder 1%, soil conditioner PH is 10.0.
1) weigh raw material: according to weight weigh charcoal, pyroligneous acid, conch meal, borax, zinc sulfate, magnesium sulfate, Ammonium molybdate and binder.
2) it mixes: charcoal be crushed into 60 meshes；Shell crushing sieves with 100 mesh sieve；By borax, zinc sulfate, magnesium sulfate and Ammonium molybdate is uniformly mixed and crushes, and it is spare to cross 60 meshes；And be uniformly mixed the raw material after sieving, obtain mixture；
3) it is gelatinized: proper amount of clear water being added in gelatinization pot, starch adhesive is added while stirring, starch adhesive is modulated The starch adhesive suspension for being 10% at concentration；With being directly or indirectly steam heated to 95 DEG C, and keep the temperature at this temperature 20min, the concentration for being finally diluted with water to starch adhesive is 2%, spare；
4) it dries: mixture is placed in pelletizer, starch adhesive suspension is added, is dried, until in mixture Moisture be 15%, stop drying.
5) pack: the particle of screening diameter 4mm is packed, and the particle crushing greater than 4mm or less than 2mm is made again Grain.
Soil conditioner in the present embodiment is applied to corn field and tested by applicant, respectively not to field application With the soil conditioner of dosage: processing 1: not applying soil conditioner；Processing 2: soil conditioner 100kg/ mus of application；Processing 3: Soil conditioner 200kg/ mus of application；Processing 4: soil conditioner 400kg/ mus of application, concrete outcome such as table nine:
Table nine
It can be seen that 100Kg/ mus of the soil conditioner applied in the present embodiment, 200Kg/ mus, 400Kg/ mus of difference from table nine Compare than not applying soil conditioner: pH promotes 0.3,0.5 and 0.7, and the soil organism increases by 0.6,0.4 and 1.6g/Kg, soil Effective cadmium content reduces by 0.18,0.41 and 0.66mg/Kg, and corn kernel cadmium content reduces by 0.17,0.23 and 0.28mg/Kg, beautiful Rice output increased 35.4,105.3 with 231.3Kg/ mus.
Applicant is respectively to the soil conditioner and in the prior art in the present embodiment of corn field application phase homogenous quantities White lime, obtained contrast effect such as table ten:
Table ten
As can be seen from Table 10: application soil conditioner increases 0.7g/Kg than the application white lime soil organism, and soil has Imitating cadmium content reduces 0.07mg/Kg, and corn kernel cadmium content reduces 0.01mg/Kg, and corn yield improves 6.5Kg/ mus, microorganism Content is apply white lime 104Times.
The content of various components is defined in the present embodiment, therefore, applicant has done a large amount of test, with verifying Influence of the mass fraction of charcoal to final effect, is shown in Table 11:
Table 11
The soil that applicant applies the soil conditioner in the present embodiment to corn field respectively and removes pyroligneous acid ingredient Earth modifying agent, contrast effect are shown in Table 12:
Table 12
By table 12 it is found that pyroligneous acid can promote the growth of crop, inhibits or kill the harmful microorganism in soil, increase Active calcium content in soil.
Each embodiment in this specification is described in a progressive manner, the highlights of each of the examples are with other The difference of embodiment, the same or similar parts in each embodiment may refer to each other.For device disclosed in embodiment For, since it is corresponded to the methods disclosed in the examples, so being described relatively simple, related place is said referring to method part It is bright.
The foregoing description of the disclosed embodiments enables those skilled in the art to implement or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, as defined herein General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, of the invention It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one The widest scope of cause.

Claims (8)

1. a kind of soil conditioner, which is characterized in that it is made of the raw material that following weight parts match: charcoal 58-62%, wood Acetic acid 15-17%, conch meal 21-23%, borax 0.2-0.4%, zinc sulfate 0.2-0.4%, magnesium sulfate 0.2-0.4%, molybdic acid Ammonium 0.05-0.2% and binder 0.9-1.2%.
2. a kind of soil conditioner according to claim 1, which is characterized in that it by following more excellent weights original Material composition: charcoal 59-60%, pyroligneous acid 15-16%, conch meal 21-23%, borax 0.2-0.3%, zinc sulfate 0.2- 0.4%, magnesium sulfate 0.2-0.4%, ammonium molybdate 0.05-0.2% and binder 0.9-1.2%.
3. a kind of soil conditioner according to claim 2, which is characterized in that it by following optimal weights original Material composition: charcoal 60%, pyroligneous acid 16%, conch meal 22%, borax 0.3%, zinc sulfate 0.3%, magnesium sulfate 0.3%, molybdenum Sour ammonium 0.1% and binder 1.0%.
4. a kind of soil conditioner according to any claim 1-3, which is characterized in that the binder includes: starch Adhesive.
5. a kind of soil conditioner according to claim 4, which is characterized in that the pH value of the soil conditioner is 8.0- 11.0。
6. a kind of preparation method of soil conditioner, which is characterized in that be prepared by following step:
1) it weighs raw material: weighing charcoal, pyroligneous acid, shell according to weight described in claim 1-3 any one Powder, borax, zinc sulfate, magnesium sulfate, ammonium molybdate and binder.
2) it mixes: the charcoal be crushed into 40-60 mesh；Shell crushed 60-100 mesh；By borax, zinc sulfate, sulphur Sour magnesium and ammonium molybdate are uniformly mixed and crush, and it is spare to cross 40-60 mesh；And by after sieving raw material and pyroligneous acid be uniformly mixed, Obtain mixture；
3) it is gelatinized: the binder being placed in gelatinization pot and is gelatinized, be modulated into the binder that concentration is 1%-2% and suspend Liquid, it is spare；
4) it dries: the mixture being placed in pelletizer, the binder suspension is added, is dried.
5) pack: the particle of screening diameter 2-4mm is packed, and the particle crushing greater than 4mm or less than 2mm is made again Grain.
7. a kind of preparation method of soil conditioner according to claim 6, which is characterized in that the specific steps of gelatinization Are as follows:
1) proper amount of clear water is added in gelatinization pot, the binder is added while stirring, the binder, which is modulated into concentration, is The binder suspension of 2-10%；
2) the binder suspension is directly heated or indirect steam heating is to 90-95 DEG C, and kept the temperature at this temperature 20min, the concentration for being finally diluted with water to binder is 1-2%, spare.
8. a kind of preparation method of soil conditioner according to claim 7, it is characterised in that: carry out the mixture When drying, use roller dryer that mixture is dried to moisture as 2-15%.
CN201910329903.7A 2019-04-23 2019-04-23 A kind of soil conditioner and preparation method thereof Pending CN110105132A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112126438A (en) * 2020-08-27 2020-12-25 济钢集团国际工程技术有限公司 Soil conditioner suitable for field contaminated soil remediation and preparation method and application thereof

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