CN107541218A - A kind of method that multifunction soil conditioner is produced using weathered phosphoric ore - Google Patents
A kind of method that multifunction soil conditioner is produced using weathered phosphoric ore Download PDFInfo
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- CN107541218A CN107541218A CN201610479412.7A CN201610479412A CN107541218A CN 107541218 A CN107541218 A CN 107541218A CN 201610479412 A CN201610479412 A CN 201610479412A CN 107541218 A CN107541218 A CN 107541218A
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- weathered
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- soil conditioner
- phosphoric ore
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Abstract
It is an object of the invention to provide a kind of method that multifunction soil conditioner is produced using weathered phosphoric ore, with weathered phosphoric ore, dolomite, oyster shell whiting, lime stone, zeolite, slag etc. for raw material, controlled micro crystallization physical modification is carried out to composition of ores using the method for mechanical force activation, improve mineral surface active, coordinate the Organic Ingredients of fermentation again, natural high activity multifunction soil conditioner is made.Adjust soil acidity or alkalinity, passivation heavy metal-polluted soil, supply soil nutrient etc..The system has that technological process is short, non-environmental-pollution, small investment, it is quick the advantages that.The present invention develops one and improves the technological approaches that weathered phosphoric ore efficiently utilizes.
Description
Technical field
The invention belongs to fertilizer and soil conditioner preparing technical field, is related to one kind and prepares soil tune using weathered phosphoric ore
The process of agent is managed, is produced particularly under conditions of activator is added with pure Physical Processing technology by raw material of weathered phosphoric ore
The new process of soil conditioner, there is the effect of regulation soil ph, passivation heavy metal-polluted soil.
Background technology
China's phosphate rock resource is mainly distributed on Yunnan-Guizhou Chuan Xiang E Wu provinces, and southwest phosphorus ore weathering is universal, according to ore deposit at 105
Estimate that for China's weathered phosphoric ore stock number up to 14.90 hundred million tons, potential resources is 40.77 hundred million tons in area.Weathered phosphoric ore containing sludge compared with
It is more, sort that difficulty is big, and the efficiency of separation is low, not only beneficiation cost is high, and mine tailing is accumulated and brings pollution to producer and surrounding environment
With potential safety hazard.But weathered phosphoric ore relative activity itself is higher, the molten rate of Chinese holly is high, containing the elements such as active phosphorus, calcium, magnesium, silicon, tool
There is the potential effect for directly applying improved soil.
According to the annual report of National Geology investigation bureau of Ministry of Land and Resources 2015, China has 21.6% arable land acidifying serious.Weather ring
Border, acid rain depositions, chemical fertilizer application etc. are the principal elements for promoting arable land to be acidified.Acidifying not only reduces farmland quality, increases simultaneously
Add heavy metal-polluted soil active, grain security and groundwater environment are formed and threatened.
Heavy metal pollution of soil refers to that due to mankind's activity content of the minor metallic element in soil in soil exceedes
Background value, too high levels caused by excess deposition, and the phenomenon for causing eco-environmental quality to deteriorate.The 13.86 hundred million of investigation
In mu arable land, the site of heavy metals exceeding standard reaches 8.2%, wherein in-serious pollution or exceeded site account for 2.5%, area coverage
34880000 mu.Pollute exceeded area and be mainly distributed on Xiang Ewangan areas, Min Yueqiong areas and Southwest Region.
The present invention selects weathered phosphoric ore, dolomite, oyster shell whiting, lime stone, zeolite, slag etc. through physically activated, and with having
Machine thing proportions, and acidic soil conditioner is made.The conditioner can improve soil pH value, reduce heavy metal-polluted soil activity,
And soil available phosphorus and the active calcium ion content are improved, there is regulation soil ph, culture fertility, safeguard soil and Environmental Health etc.
Effect.
The present invention is different from《Mineral fertilizer water retention agent and preparation method thereof》（200910060543.1）Mentioned in patent
Utilize potassium breeze, ground phosphate rock, activation release enhancing agent, water-soluble polymeric monomer, water, radical polymerization initiator and crosslinking agent raw material warp
Mixing, heating polymerization, the method for drying, crushing and mineral fertilizer water retention agent being made.
The present invention is different from《A kind of phosphate-potash composite fertilizer and its production method》（94110587.3）Mentioned in patent with general
Based on the production technology of calcium phosphate, rock phosphate in powder, potassium ore and fluorite are added by 7: 2: 1 proportionings, through broken, mix, system
Slurry, is chemically reacted with the concentrated sulfuric acid, cures the method for producing phosphate-potash composite fertilizer.
The present invention is different from《Biological potassium ore fertilizer and manufacture method》（201110294129.4）Mentioned in patent with indissoluble
Aluminium silicate mineral containing potassium, organic fertilizer raw material, ground phosphate rock, high temperature decomposing agent and the quick-acting nutritious element of property are raw material, through powder
The method that biological potassium ore fertilizer is made in broken, screening.
The present invention is different from《A kind of soil conditioner with multiple benefits》（201410012035.7）By charcoal, gather
Acrylamide, humic acid potassium, bay alcohol ethoxy ammonium sulfate polymer, bentonite, crush 100 mesh and be granulated soil conditioner processed
Method.
The present invention is different from《A kind of soil conditioner and its production method》（CN104909958 A）What is be previously mentioned grows potassium
Stone ore, dolomite, anthracite, it is made through examining, grinding batch mixing, be dispersed through agent crushing after 1100-1300 DEG C of calcining and activating
The method of acidic soil conditioner.
The present invention is different from《A kind of soil conditioner and preparation method of activated phosphorusore mine tailing》（CN104892303 A）Institute
Mention using phosphorite tailings powder as raw material, with vinasse/or organic sludge, inorganic activator mixed grinding prepare acid soil conditioning
The preparation method of agent.
The present invention is different from《A kind of soil conditioner and preparation method of organic-inorganic activator activated phosphorusore mine tailing》
（CN104876768 A）The organic activator being previously mentioned is lignite, weathered coal, humic acid, fulvic acid, and inorganic activator is urine
The method that element, ammonium hydrogen carbonate, ammoniacal liquor prepare soil conditioner.
The present invention is different from《A kind of agricultural land soil conditioner and preparation method thereof》（CN104861983 A）The general being previously mentioned
Quick lime, bentonite, zeolite, sepiolite are mixed with the preparation method of soil conditioner.
The present invention is different from《One kind production phosphorus potassium silicon multielement micropore mineral fertilizer（Soil conditioner）Method》
（CN104844302 A）Potassium-enriched rock, lime, the rock phosphate in powder being previously mentioned add water ovendry power after reaction under the conditions of 160-250 DEG C
Broken preparation method.
By State Intellectual Property Office's patent search system, it retrieved and prepare all special of soil conditioner using phosphorus ore
Profit, the results showed that：All patents retrieved are not quite similar with this patent.In the English that World Intellectual Property Organization provides specially
Same or analogous Patents are not found in sharp searching system yet.
The content of the invention
It is an object of the invention to provide a kind of method that multifunction soil conditioner is produced using weathered phosphoric ore, with weathering
Phosphorus ore, dolomite, oyster shell whiting, lime stone, zeolite, slag etc. are raw material, and the method activated using mechanical force is entered to composition of ores
Row controlled micro crystallization physical modification, mineral surface active is improved, then coordinate the Organic Ingredients of fermentation, the high activity for being made natural is multi-functional
Soil conditioner.Adjust soil acidity or alkalinity, passivation heavy metal-polluted soil, supply soil nutrient etc..The system has that technological process is short,
Non-environmental-pollution, small investment, it is quick the advantages that.The present invention develops one and improves the technology way that weathered phosphoric ore efficiently utilizes
Footpath.
To realize the purpose of the present invention, specific embodiment has the following steps：
（1）Ground using Raymond mill, omnipotent mill, impact grinding, vortex or other have the common grinder of similar functions respectively by wind
Change phosphorus ore, dolomite, oyster shell whiting, lime stone, zeolite, slag and be crushed to fineness more than 60 mesh；
（2）By step（1）The weathered phosphoric ore of gained presses 85~95% with zeolite：15~5% ratios mix, and utilize ball mill, stirring
Mill, Vertical Mill or other have similar functions equipment implement controlled micro crystallization activate to more than 1000 mesh；
（3）By step（1）The dolomite of gained, lime stone, oyster shell whiting, steel-making slag powder, by 40~70%：15~30%：0~15%：0
~15% mixing, using ball mill, Ball-stirring mill, Vertical Mill or other there is similar functions equipment to implement controlled micro crystallization activate to exceeding
1000 mesh；
（4）By step（2）Product press 1：3~4（Butt calculates）With organic matter mixed fermentation more than 7~15 days；
（5）By step（3）And step（4）Product press 1：3 ratios are well mixed, and are granulated with comminutor（Average below 3mm）, i.e.,
Product is made.
Embodiment
Embodiment：
Weathered phosphoric ore, zeolite are crushed to by 60 mesh using impact grinding first, then both are according to 9：Ball is utilized after 1 ratio mixing
Grinding machine controlled micro crystallization is activated to 1200 mesh, then the cow dung with 3 times（Butt calculates）Mixed fermentation 20 days, finally with 5 parts of 3 parts of dolomites
The mixture of 1 part of lime stone, 1 part of oyster shell whiting steel-making slag powder composition is according to 1：3 ratio is well mixed, and is granulated with comminutor（It is average
2.5m）, that is, product, i.e., multifunction soil conditioner produced by the invention is made.Jiangxi Province Xinfeng County characteristic of acid red soil is changed
It is good.Test site is located at Shandong Binzhou Qingda Technology Co., Ltd. proving ground.
Soil natural is air-dried, basin is filled after crossing 2mm sieves, native 2.5kg is filled per basin.Not apply soil conditioning produced by the invention
Agent is control（CK）；Soil conditioner 12.5g of the present invention is applied as one of experiment using every basin（PA）；Soil of the present invention is applied with every basin to adjust
Manage two that agent 25g is experiment（PB）.Nitrogenous fertilizer and K Amounts are 0.16g/kg soil, each handle 3 repetitions, and altogether 9
Basin.
Experiment shows, can effectively reduce soil active acid using soil conditioner of the present invention, improve soil pH value；Using this
Invention soil conditioner also can effectively relatively low soil potential acid（Activated aluminum）Content.This is due in soil conditioner of the present invention
The high activity carbonate components contained can be combined with soil hydrogen ion, the hydrogen ion content in the soil liquid be reduced, so as to improve
Soil pH value.The compositions containing anion such as the phosphate radical that contains in soil conditioner of the present invention, carbonate, can combine soil mineral table
The carbonium in face, so as to reduce the content of the strong acidic ions such as soil activation aluminium ion.Application effect is with soil conditioner
The increase of dosage and increase（It is shown in Table 1）.
Influence of the soil conditioner of table 1 to soil aciditiy
| Processing | Exchangeable aluminum mg kg-1 | pH | △pH |
| CK | 252.31a | 4.96c | 0 |
| PA | 188.91b | 5.44b | 0.48 |
| PB | 167.20c | 5.93a | 0.97 |
Experiment can improve the nutrients such as soil available phosphorus, available potassium and exchangeability calcium and magnesium it is also shown that applying soil conditioner of the present invention,
Fertilizing soil soil fertility（It is shown in Table 2）.
Table 2 applies the soil nutrient content change after soil conditioner
Brief description of the drawings
Fig. 1 is the process flow diagram of the present invention.
Claims (7)
- A kind of 1. method that multifunction soil conditioner is produced using weathered phosphoric ore, it is characterised in that comprise the following steps that：（1）Weathered phosphoric ore, dolomite, oyster shell whiting, lime stone, zeolite, slag are crushed into fineness respectively with common grinder to surpass Cross 60 mesh；（2）By step（1）The weathered phosphoric ore and zeolite for crushing gained press 85~95%：15~5% ratios mix, through controlled micro crystallization physics Activation is to more than 1000 mesh；（3）By step（1）The dolomite of gained, lime stone, oyster shell whiting, steel-making slag powder, respectively by 40~70%：15~30%：0~ 15%：Activated after 0~15% mixing through controlled micro crystallization to more than 1000 mesh；（4）By step（2）Product press 1：3~4（Butt calculates）With organic matter mixed fermentation more than 7~15 days；（5）By step（3）And step（4）Product press 1：3 is well mixed, is granulated with comminutor（Average below 3mm）, that is, it is made Product.
- 2. according to the method for claim 1, it is characterised in that：Step（1）The disintegrating apparatus be Raymond mill, it is omnipotent mill, Impact grinding, vortex mill or other there is the disintegrating apparatus of similar functions.
- 3. according to the method for claim 1, it is characterised in that：Step（2）And step（3）The milling apparatus is ball milling Machine, Ball-stirring mill, Vertical Mill or other there is the disintegrating apparatus of similar functions.
- 4. according to the method for claim 1, it is characterised in that：Step（2）The ratio of middle weathered phosphoric ore and zeolite be 85~ 95%：15~5%, and through controlled micro crystallization activation process.
- 5. according to the method for claim 1, it is characterised in that：Dolomite in step 3, lime stone, oyster shell whiting, steel-making slag powder Mixed proportion is 40~70%：15~30%：0~15%：0~15%, and through controlled micro crystallization activation process.
- 6. according to the method for claim 1, it is characterised in that：Organic matter used is feces of livestock and poultry（Cow dung, sheep manure, pig manure, Chicken manure, duck excrement etc.）, mushroom slag, bagasse, biogas residue, the one or more of agricultural crop straw etc..
- 7. according to the method for claim 1, it is characterised in that：By step（2）Middle product presses 1：3~4（Butt calculates）With Organic matter mixing hot fermentation more than 7~15 days.
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Cited By (4)
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| CN108821868A (en) * | 2018-07-25 | 2018-11-16 | 黑龙江省宝祥农业科技开发有限公司 | Medicament-fertilizer mixture |
| CN110669525A (en) * | 2019-10-10 | 2020-01-10 | 淄博清大粉体材料工程有限公司 | Desert modifier and processing technology thereof |
| CN113817474A (en) * | 2021-11-02 | 2021-12-21 | 创想未来生物工程(北京)有限公司 | Acidic soil conditioner and preparation method thereof |
| CN114574214A (en) * | 2022-03-14 | 2022-06-03 | 北京中力信达环境技术有限公司 | Artificial magnetic soil and preparation method and application thereof |
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Cited By (6)
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| CN110669525B (en) * | 2019-10-10 | 2021-03-26 | 淄博清大粉体材料工程有限公司 | Desert modifier and processing technology thereof |
| CN113817474A (en) * | 2021-11-02 | 2021-12-21 | 创想未来生物工程(北京)有限公司 | Acidic soil conditioner and preparation method thereof |
| CN113817474B (en) * | 2021-11-02 | 2023-10-13 | 创想未来生物工程(北京)有限公司 | Acid soil conditioner and preparation method thereof |
| CN114574214A (en) * | 2022-03-14 | 2022-06-03 | 北京中力信达环境技术有限公司 | Artificial magnetic soil and preparation method and application thereof |
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