CN104926565A - Acid soil conditioner preparation and application method - Google Patents
Acid soil conditioner preparation and application method Download PDFInfo
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- CN104926565A CN104926565A CN201510321764.5A CN201510321764A CN104926565A CN 104926565 A CN104926565 A CN 104926565A CN 201510321764 A CN201510321764 A CN 201510321764A CN 104926565 A CN104926565 A CN 104926565A
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Abstract
The invention discloses an acid soil conditioner preparation method. The acid soil conditioner preparation method comprises the steps that 1, waste materials including calcium mud and magnesium mud generated in the chemical fertilizer industry are dried separately to enable the water content of the waste materials to be decreased to 13 percent-15 percent, and then the waste materials are smashed to be below 10 mesh; 2, by mass, 15-25 parts of the calcium mud and 20-30 parts of the magnesium mud prepared in the step 1, 10-15 parts of commercial urea, five-eight parts of commercial monoammonium phosphate and two-three parts of commercial potassium sulfate are weighed out, all the raw materials are mixed to be uniform, then granulation is performed, the particles are dried to enable the water content to be 10 percent-12 percent, the particles are packaged, and finished products are prepared. According to an acid soil conditioner application method, farming after fertilizer broadcasting before seeding is adopted, the products are uniformly mixed with soil as far as possible, and the application rate is determined according to the pH value of the acid soil, and when the pH value of the acid soil is 5-6.5, the application rate per hectare per year is suggested to be 300 kg-600 kg; when the pH value of the acid soil is 4.5-5, the application rate per hectare per year is suggested to be 600 kg-900 kg; when the pH value of the acid soil is smaller than 4.5, the application rate per hectare per year is suggested to be 900 kg-1,200 kg.
Description
Technical field
The present invention relates to solid waste resource utilization and controlling measurements technical field.
Background technology
Soil improvement agent (soil amendment), also known as soil conditioner (soil conditioner), being for improveing soil physics, chemistry and biological property, making it be more suitable for the material of plant-growth.Acid soil improving agent major function is that sweetening of the soil is acid, thus improves the bad proterties of acid soil.
Acid soil is the general name of low ph value soil, and acid soil regional precipitation is abundant, and eluviation is strong, a large amount of leaching loss of base cation, and degree of base saturation is low, and the H of acid soil high density
+, A1
3+, Mn
2+and Fe
2+direct toxic action is produced Deng to plant.Another serious problem of acid soil lacks available nutrient, and involved nutrient kind is many, the general nitrogen stress of such as acid soil, phosphorus and potassium, a lot of acid soil calcium deficiency and magnesium, and some acid soil also lacks molybdenum.
China's acid soil comprises red soil, yellow earth, latosol, red earth and podzolic soil etc., and distribute throughout 14 provinces and cities, the total area reaches 2.03 × 10
8hm
2, account for 21% of national cultivated area, in agriculture production, occupy critical role.Therefore, the improvement of acid soil is an important agronomic measures in south China agriculture production always.Traditional acid soil improving agent mostly is calcareous material, such as the industrial residue etc. of Wingdale, unslaked lime, white lime, carbonic acid lime, limy matter.Utilize Calcium carbonate material sweetening of the soil contained in these lime materials acid, and supplement the base cation such as calcium, magnesium, reach the object of improvement acid soil.
Summary of the invention
The object of the invention is the recycling of the waste produced for nitro fertilizer production plant, provide a kind of acid soil improving agent to prepare and application process.The remaining waste residue that the present invention utilizes the chemical fertilizer industries such as nitrocalcite, calcium ammonium nitrate and magnesium nitrate to produce, through the existing commodity chemical fertilizer of rational allocation, make the nutritious acid soil improving agent of tool, thoroughly solve the waste treatment problem of the chemical fertilizer industries such as nitrocalcite, calcium ammonium nitrate and magnesium nitrate, achieve changing waste into resources to utilize, there is great social benefit, economic benefit and environmental benefit.
The present invention is achieved by the following technical solutions.
Acid soil improving agent preparation method of the present invention, comprises the steps:
(1) waste calcium mud chemical fertilizer industry produced, magnesium mud are dry respectively, make its water content be reduced to 13%-15%, are then crushed to below 10 orders;
(2) by mass parts take (1) prepare calcium mud 15-25 part, magnesium mud 20-30 part, and commodity urea 10-15 part, commercial phosphoric acid one ammonium 5-8 part, commodity potassium sulfate 2-3 part, all raw materials are mixed rear granulation, is dried to water content 10%-12%, the obtained finished product of packaging.
Described calcium mud utilizes remaining waste residue after Wingdale and nitric acid production nitric acid calcareous fertilisers and ammonium nitrate calcareous fertilisers, and described magnesium mud utilizes remaining waste residue after magnesium oxide and nitric acid production nitric acid fertiliser containing magnesium.
Described commodity urea is the urea containing N 46%.
Described commercial phosphoric acid one ammonium is for containing N 12% and containing P
2o
5the monoammonium phosphate of 52%.
Described commodity potassium sulfate is for containing K
2the potassium sulfate of O 52%.
The pH value of described acid soil improving agent is 9.2-9.4.
The application process of acid soil improving agent of the present invention is: spread fertilizer over the fields rear farming before sowing, with soil Homogeneous phase mixing as far as possible, suitably can supplement some chemical fertilizer and organic fertilizer according to soil supplying nutrient capability and crop uptake characters simultaneously.The rate of fertilizer application of acid soil improving agent of the present invention is determined according to the height of the pH value of acid soil, when the pH value of acid soil is at 5-6.5, advises that annual per hectare amount of application is 300 kg-600 kg; When the pH value of acid soil is at 4.5-5, advise that annual per hectare amount of application is 600 kg-900 kg; When the pH value of acid soil is at < 4.5, advise that annual per hectare amount of application is 900 kg-1200 kg.
The salts substances of the main raw material calcium mud of acid soil improving agent of the present invention, the chemical composition of magnesium mud mainly calcium, magnesium, potassium, sodium, iron, aluminium, manganese etc., there is higher pH value, and heavy metal content is far below the control criterion in " the agricultural shale of urban wastewater treatment firm sludge disposal " (CJ/T 309-2009), can be agricultural safely.In acid soil improving agent Main Function be in and acid, supplement base cation, namely improve acid soil.The Main Function of the chemical fertilizer such as the urea allocated, monoammonium phosphate and potassium sulfate is the demand by growing crop in acid soil, the nutrient of the proportioning that supply crop is certain, makes acid soil improving agent of the present invention play the effect of multi-functional acid soil improving agent.
The beneficial effect of acid soil improving agent of the present invention:
(1) improvement acid soil calcium mud and magnesium mud have higher pH value, are about 9.42 and 9.47 respectively, and containing the base cation such as more calcium and magnesium, also containing characteristics such as a certain amount of nitrogen, phosphorus, potassium nutrition and micronutrient elements.Therefore, calcium mud and magnesium mud is adjustable acid soil pH value both, supplements the base cation that acid soil lacks, and can also supplement some a large amount of and micronutrient elements needed for plant.
(2) supplying plant nutrient deliming mud and magnesium mud self contains outside a large amount of and micronutrient element of part, and the nutrient supply intensity that the adding of inorganic nitrogen, phosphorus, potash fertilizer can strengthen product and balance supply the ability of nutrient.
(3) there is significant economic benefit, social benefit and environmental benefit
according to the turnout of the fertilizer such as national nitrocalcite, calcium ammonium nitrate and magnesium nitrate and Wingdale and magnesian consumption, can estimate the calcium mud that China produces every year and be about 10000-13000 ton (butt), magnesium mud is about 1000-2000 ton.The landfill expense of mud landfill yard per ton is by 150 yuan, and national calcium mud, magnesium mud need landfill expense to be 165-225 ten thousand yuan.If produced whole calcium mud magnesium mud for acid soil improving agent, acid soil improving agent 16000-22000 ton can be produced by this formula for a product.The price of product per ton by the price 300 yuan/ton calculating of traditional modifying agent Wingdale, then can produce the output value of 480-660 ten thousand yuan, improvement acid soil about 30,000 mu.Thoroughly solve the waste treatment problem of the chemical fertilizer industries such as nitrocalcite, calcium ammonium nitrate and magnesium nitrate simultaneously, achieve changing waste into resources and utilize, there is great social benefit, economic benefit and environmental benefit.
Embodiment
embodiment 1
With the remaining waste residue that the chemical fertilizer industries such as nitrocalcite, calcium ammonium nitrate and magnesium nitrate produce, prepare the nutritious acid soil improving agent of tool.Waste calcium mud chemical fertilizer industry produced, magnesium mud are dry respectively, its water content is made to be reduced to 13%-15%, then be crushed to below 10 orders, then taken 15 parts, dried calcium mud, 20 parts, magnesium mud by mass parts, and containing 10 parts, the urea of N 46%, containing N 12% with containing P
2o
5the monoammonium phosphate 5 parts of 52%, containing K
2the potassium sulfate of O 52% 2 parts, mixes rear granulation by all raw materials, is dried to water content 10%-12%, the obtained finished product of packaging.This product N, P
2o
5, K
2o content is respectively 10.1%, 6.0%, 2.4%.
embodiment 2
With the remaining waste residue that the chemical fertilizer industries such as nitrocalcite, calcium ammonium nitrate and magnesium nitrate produce, prepare the nutritious acid soil improving agent of tool.Waste calcium mud chemical fertilizer industry produced, magnesium mud are dry respectively, its water content is made to be reduced to 13%-15%, then be crushed to below 10 orders, then taken 25 parts, dried calcium mud, 30 parts, magnesium mud by mass parts, and containing 15 parts, the urea of N 46%, containing N 12% with containing P
2o
5the monoammonium phosphate 8 parts of 52%, containing K
2the potassium sulfate of O 52% 3 parts, mixes rear granulation by all raw materials, is dried to water content 10%-12%, the obtained finished product of packaging.This product N, P
2o
5, K
2o content is respectively 9.9%, 6.2%, 2.3%.
embodiment 3
With the remaining waste residue that the chemical fertilizer industries such as nitrocalcite, calcium ammonium nitrate and magnesium nitrate produce, prepare the nutritious acid soil improving agent of tool.Waste calcium mud chemical fertilizer industry produced, magnesium mud are dry respectively, its water content is made to be reduced to 13%-15%, then be crushed to below 10 orders, then taken 20 parts, dried calcium mud, 25 parts, magnesium mud by mass parts, and containing 12 parts, the urea of N 46%, containing N 12% with containing P
2o
5the monoammonium phosphate 6 parts of 52%, containing K
2the potassium sulfate of O 52% 2.5 parts, mixes rear granulation by all raw materials, is dried to water content 10%-12%, the obtained finished product of packaging.This product N, P
2o
5, K
2o content is respectively 9.6%, 5.8%, 2.4%.
embodiment 4
With the remaining waste residue that the chemical fertilizer industries such as nitrocalcite, calcium ammonium nitrate and magnesium nitrate produce, prepare the nutritious acid soil improving agent of tool.Waste calcium mud chemical fertilizer industry produced, magnesium mud are dry respectively, its water content is made to be reduced to 13%-15%, then be crushed to below 10 orders, then taken 15 parts, dried calcium mud, 30 parts, magnesium mud by mass parts, and containing 10 parts, the urea of N 46%, containing N 12% with containing P
2o
5the monoammonium phosphate 8 parts of 52%, containing K
2the potassium sulfate of O 52% 2 parts, mixes rear granulation by all raw materials, is dried to water content 10%-12%, the obtained finished product of packaging.This product N, P
2o
5, K
2o content is respectively 8.6%, 7.5%, 1.9%.
embodiment 5
With the remaining waste residue that the chemical fertilizer industries such as nitrocalcite, calcium ammonium nitrate and magnesium nitrate produce, prepare the nutritious acid soil improving agent of tool.Waste calcium mud chemical fertilizer industry produced, magnesium mud are dry respectively, its water content is made to be reduced to 13%-15%, then be crushed to below 10 orders, then taken 25 parts, dried calcium mud, 20 parts, magnesium mud by mass parts, and containing 15 parts, the urea of N 46%, containing N 12% with containing P
2o
5the monoammonium phosphate 5 parts of 52%, containing K
2the potassium sulfate of O 52% 3 parts, mixes rear granulation by all raw materials, is dried to water content 10%-12%, the obtained finished product of packaging.This product N, P
2o
5, K
2o content is respectively 11.1%, 4.8%, 2.7%.
embodiment 6
The application process of acid soil improving agent prepared by embodiment of the present invention 1-5 is: spread fertilizer over the fields rear farming before sowing, with soil Homogeneous phase mixing as far as possible, suitably can supplement some chemical fertilizer and organic fertilizer according to soil supplying nutrient capability and crop uptake characters simultaneously.Rate of fertilizer application is determined according to the height of the pH value of acid soil, when the pH value of acid soil is at 5-6.5, advises that annual per hectare amount of application is 300 kg-600 kg; When the pH value of acid soil is at 4.5-5, advise that annual per hectare amount of application is 600 kg-900 kg; When the pH value of acid soil is at < 4.5, advise that annual per hectare amount of application is 900 kg-1200 kg.
Claims (5)
1. an acid soil improving agent preparation method, comprises the steps:
(1) waste calcium mud chemical fertilizer industry produced, magnesium mud are dry respectively, make its water content be reduced to 13%-15%, are then crushed to below 10 orders;
(2) by mass parts take (1) prepare calcium mud 15-25 part, magnesium mud 20-30 part, and commodity urea 10-15 part, commercial phosphoric acid one ammonium 5-8 part, commodity potassium sulfate 2-3 part, all raw materials are mixed rear granulation, is dried to water content 10%-12%, the obtained finished product of packaging.
2. acid soil improving agent preparation method according to claim 1, it is characterized in that, described calcium mud utilizes remaining waste residue after Wingdale and nitric acid production nitric acid calcareous fertilisers and ammonium nitrate calcareous fertilisers, and described magnesium mud utilizes remaining waste residue after magnesium oxide and nitric acid production nitric acid fertiliser containing magnesium.
3. acid soil improving agent preparation method according to claim 1, is characterized in that, described commodity urea is the urea containing N 46%; Described commercial phosphoric acid one ammonium is for containing N 12% and containing P
2o
5the monoammonium phosphate of 52%; Described commodity potassium sulfate is for containing K
2the potassium sulfate of O 52%.
4. acid soil improving agent preparation method according to claim 1, is characterized in that, the pH value of described acid soil improving agent is 9.2-9.4.
5. acid soil improving agent preparation method according to claim 1, it is characterized in that, the application process of described acid soil improving agent is: spread fertilizer over the fields rear farming before sowing, with soil Homogeneous phase mixing as far as possible, rate of fertilizer application is determined according to the height of the pH value of acid soil, when the pH value of acid soil is at 5-6.5, advise that annual per hectare amount of application is 300 kg-600 kg; When the pH value of acid soil is at 4.5-5, advise that annual per hectare amount of application is 600 kg-900 kg; When the pH value of acid soil is at < 4.5, advise that annual per hectare amount of application is 900 kg-1200 kg.
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106376286A (en) * | 2016-08-30 | 2017-02-08 | 广东省生态环境技术研究所 | Method for increasing utilization rate of acid soil phosphorus |
| CN107652114A (en) * | 2017-09-12 | 2018-02-02 | 交城县田丰肥业有限公司 | A kind of fertilizer and production method that conditioning rehabilitating soil is produced using Nitrates discarded object |
| CN107673819A (en) * | 2017-09-28 | 2018-02-09 | 山东好兄弟肥料股份有限公司 | A kind of fertilizer for improving vegetable cultivation protecting field acid soil pH value and preparation method thereof |
| CN108157091A (en) * | 2017-12-29 | 2018-06-15 | 中国水稻研究所 | A kind of method based on soil tune acid control rice heavy metal cadmium |
| CN109438134A (en) * | 2018-12-29 | 2019-03-08 | 天津天丰泽田生物科技有限公司 | A kind of acid soil improving agent |
| CN113149793A (en) * | 2021-04-23 | 2021-07-23 | 湖北富邦科技股份有限公司 | Neutral round particle potassium sulfate fertilizer and manufacturing method thereof |
| CN114276191A (en) * | 2022-01-18 | 2022-04-05 | 江西省林业科学院 | Bio-organic fertilizer for navel oranges and preparation method thereof |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111085535B (en) * | 2019-12-31 | 2022-05-27 | 云南省环境科学研究院(中国昆明高原湖泊国际研究中心) | Method for determining addition amount of quicklime in organic contaminated soil treatment and treatment method of organic contaminated soil |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106376286A (en) * | 2016-08-30 | 2017-02-08 | 广东省生态环境技术研究所 | Method for increasing utilization rate of acid soil phosphorus |
| CN107652114A (en) * | 2017-09-12 | 2018-02-02 | 交城县田丰肥业有限公司 | A kind of fertilizer and production method that conditioning rehabilitating soil is produced using Nitrates discarded object |
| CN107673819A (en) * | 2017-09-28 | 2018-02-09 | 山东好兄弟肥料股份有限公司 | A kind of fertilizer for improving vegetable cultivation protecting field acid soil pH value and preparation method thereof |
| CN108157091A (en) * | 2017-12-29 | 2018-06-15 | 中国水稻研究所 | A kind of method based on soil tune acid control rice heavy metal cadmium |
| CN109438134A (en) * | 2018-12-29 | 2019-03-08 | 天津天丰泽田生物科技有限公司 | A kind of acid soil improving agent |
| CN113149793A (en) * | 2021-04-23 | 2021-07-23 | 湖北富邦科技股份有限公司 | Neutral round particle potassium sulfate fertilizer and manufacturing method thereof |
| CN114276191A (en) * | 2022-01-18 | 2022-04-05 | 江西省林业科学院 | Bio-organic fertilizer for navel oranges and preparation method thereof |
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