CN1276359A - Process for preparing efficient phosphorous fertilizer without raw acid - Google Patents
Process for preparing efficient phosphorous fertilizer without raw acid Download PDFInfo
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- CN1276359A CN1276359A CN 00117223 CN00117223A CN1276359A CN 1276359 A CN1276359 A CN 1276359A CN 00117223 CN00117223 CN 00117223 CN 00117223 A CN00117223 A CN 00117223A CN 1276359 A CN1276359 A CN 1276359A
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- phosphate
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05B—PHOSPHATIC FERTILISERS
- C05B17/00—Other phosphatic fertilisers, e.g. soft rock phosphates, bone meal
Abstract
A process for preparing efficient P fertilizer without raw acid includes such steps as proportionally adding organic or inorganic activating agent to phosphorous ore powder in a certain condition, activating, and proportional addition of superphosphorate or Ca-Mg-P fertilizer. Its advantages are simple equipment and use of low-grade phosphorus ore.
Description
The invention belongs to field of fertilizer manufacturing, particularly the production of phosphate fertilizer.
The conventional production methods that calcium superphosphate that is made by the reaction of sulfuric acid and ground phosphate rock or fused(calcium magnesium)phosphate are phosphate fertilizer, it is produced needs to consume a large amount of sulfuric acid, and the strongly-acid of finished product phosphate fertilizer is unfavorable to sour earth, also is unfavorable for the production of compound fertilizer.In addition, calcium superphosphate or fused(calcium magnesium)phosphate and other phosphate fertilizer comprise that the shortcoming of a maximum of phosphorus ammonium, coarse whiting, nitrophosphate fertilizer, fused(calcium magnesium)phosphate etc. is to be fixed to slow or invalid phosphorus after being manured into soil very soon, and is not high to the validity of crop.General this season utilization ratio only about 20%.How to improve production of phosphate fertilizer technology, reduce cost, improve phosphate fertilizer validity is the focus of agricultural science and technology work always.The present invention is directed to these problems through research for many years, use organic-inorganic activator activating phosphorite powder and add a certain proportion of normal superphosphate or fused(calcium magnesium)phosphate has obtained obvious effects, the processing method of on basis, having invented the production efficient phosphorous fertilizer without raw acid the Cheng Jian of new phosphate fertilizer and constructional feature research.
The objective of the invention is to improve the production technique of existing production of phosphate fertilizer by sulfuric acid and ground phosphate rock prepared in reaction phosphate fertilizer by the utilization of activator, reduce facility investment and loss, it is low to produce cost, anti-soil fixing ability is strong, the biological effectiveness height, good in economic efficiency, and environment amenable efficient phosphorous fertilizer without raw acid.
The pulverizing, grinding, the raw material that the present invention includes Rock Phosphate (72Min BPL) mix processes such as stirring, drying.Present method characteristics: in no raw material acid phophatic fertilizer production process, add activator, the adding of activator has two kinds of adding modes according to equipment and material condition, one, in ground phosphate rock, adds the organic or inorganic activator, add appropriate amount of fluid behind the mixing again in grinding machine for grinding, activator fully contacts and activated phosphorusore with ground phosphate rock in process of lapping.Add calcium superphosphate or the fused(calcium magnesium)phosphate of the 5-99% (weight) that accounts for product phosphate fertilizer weight from shredder, stir in the activating phosphorite powder that comes out, drying promptly becomes product.Two, add appropriate amount of fluid at ground phosphate rock and calcium superphosphate that accounts for product phosphate fertilizer weight 5-99% (weight) or fused(calcium magnesium)phosphate and mix back adding organic or inorganic activator, stir, stack activation, promptly become product after the drying.
Said inorganic activator is zeolite, wilkinite, vermiculite, ammonium zeolite, ammonium wilkinite, ammonium vermiculite, acidifying zeolite, acidifying wilkinite, acidifying vermiculite.Its mesolite, wilkinite, vermiculite are natural inorganic minerals; Ammonium zeolite, ammonium wilkinite, ammonium vermiculite are respectively the ammonium saturatess of zeolite, wilkinite, vermiculite; Acidifying zeolite, acidifying wilkinite, acidifying vermiculite are respectively the sour saturatess of zeolite, wilkinite, vermiculite.
Said organic activator is meant xylogen (comprising alkali lignin and Sulfite lignin), monosodium glutamate waste liquid, alcohol slops.Xylogen (comprising alkali lignin and Sulfite lignin) is commodity, and monosodium glutamate waste liquid is that Gourmet Powder Factory's waste liquid concentrates and to make, and alcohol slops is that grain distillery's waste liquid concentrates and makes.When adding organic or inorganic activator activating phosphorite powder production efficient phosphorous fertilizer without raw acid in the above-mentioned organic or inorganic activator of optional usefulness one or more, when adding multiple activator, its total add-on should not surpass wherein a kind of maximum value of answering add-on.The add-on of activator: the zeolite add-on accounts for the 2-60% (weight) of product phosphate fertilizer, the wilkinite add-on accounts for the 2-60% (weight) of product phosphate fertilizer, the vermiculite add-on accounts for the 2-60% (weight) of product phosphate fertilizer, ammonium zeolite add-on accounts for the 2-60% (weight) of product phosphate fertilizer, ammonium wilkinite add-on accounts for the 2-60% (weight) of product phosphate fertilizer, ammonium vermiculite add-on accounts for the 2-60% (weight) of product phosphate fertilizer, acidifying zeolite add-on accounts for the 2-60% (weight) of product phosphate fertilizer, acidifying wilkinite add-on accounts for the 2-60% (weight) of product phosphate fertilizer, acidifying vermiculite add-on accounts for the 2-60% (weight) of product phosphate fertilizer, the xylogen add-on accounts for the 2-50% (weight) of product phosphate fertilizer, the monosodium glutamate waste liquid add-on accounts for the 10-75% (weight) of product phosphate fertilizer, alcohol slops adds the 10-75% (weight) that accounts for product phosphate fertilizer.In above-mentioned activator, the desirable add-on of zeolite, wilkinite, vermiculite, ammonium zeolite, ammonium wilkinite, ammonium vermiculite, acidifying zeolite, acidifying wilkinite, acidifying vermiculite accounts for the 15-25% of product phosphate fertilizer, and the desirable add-on of lignin accounts for the 4-8% of product phosphate fertilizer.。
Its available phosphorus of the ground phosphate rock of different varieties and content of tatal phosphorus are different, and full phosphorus amount is 25-33% (P
2O
5%), available phosphorus is 4-8% (P
2O
5Ground phosphate rock %) such as Chinese Kaiyang ground phosphate rock, the 10-30% that the add-on of all kinds of activators accounts for product phosphate fertilizer weight can obtain tangible fertilizer efficiency and economic benefit.And be 22-30% (P for full phosphorus amount
2O
5%), available phosphorus is less than 2% (P
2O
5Ground phosphate rock %) such as Chinese Kunyang ground phosphate rock, the 12-45% that the add-on of all kinds of activators accounts for product phosphate fertilizer weight is advisable.
In the efficient phosphorous fertilizer without raw acid production process, the adding of calcium superphosphate or fused(calcium magnesium)phosphate can be selected for use wherein a kind of or the two mixes with arbitrary proportion, adds fashionablely in mixing, and the ratio of calcium superphosphate and fused(calcium magnesium)phosphate is that 3/7 (weight) is more satisfactory.The add-on of calcium superphosphate or fused(calcium magnesium)phosphate according to ground phosphate rock with activator species and calcium superphosphate or the fused(calcium magnesium)phosphate available phosphorus content is different changes, according to the requirement of product phosphate fertilizer available phosphorus and fertilizer efficiency is regulated, generally account for the 5-99% (weight) of product phosphate fertilizer, the ideal add-on is 15-30% (weight).
The invention process process can be taked in following two kinds of processes a kind of according to equipment and material condition: one, Rock Phosphate (72Min BPL) was pulverized the 80-200 mesh sieve, in ground phosphate rock, add in proportion above-mentioned activator wherein one or more, after mixing, add the abundant agitation grinding of appropriate amount of fluid, available ball mill or stir mixing machine grind to form homogenate, place and make the ground phosphate rock activation more than 1 hour.Add calcium superphosphate or the fused(calcium magnesium)phosphate of the 5-99% that accounts for product phosphate fertilizer weight then, stir, drying promptly becomes product; Two, the ground phosphate rock that will pulverize the 80-200 mesh sieve and the calcium superphosphate that accounts for product phosphate fertilizer weight 5-99% or fused(calcium magnesium)phosphate and appropriate amount of fluid mix the organic or inorganic activator of back adding aforementioned proportion, stir, stack activation 1-7 days, promptly become product after the drying.
Inorganic activator zeolite, wilkinite, the vermiculite that the present invention adds in ground phosphate rock has special structure and bigger ion-exchange capacity, through after the combination treatment ground phosphate rock being had stronger activation effect and can reduce the fixed action of phosphorus in soil.Add on organic activator xylogen, the monosodium glutamate waste liquid self structure and contain a large amount of hydroxyls, carboxyl and amido isoreactivity group, after combination treatment, phosphorus in the ground phosphate rock is had activation.On this activation basis, according to " longitudinal equilibrium " principle (for fertile and need fertile running balance), cooperate with an amount of calcium superphosphate or fused(calcium magnesium)phosphate, produce vertical compound action, make this product have quick-acting, long-acting, outstanding properties efficiently simultaneously.
The quality examination of this product: 1. structural analysis: with its crystalline structure of X-ray diffraction technical measurement, it becomes the key situation with Infrared spectroscopy.2. chemical analysis: the content of measuring its water-soluble phosphorus and available phosphorus with the molybdenum blue colorimetric method.3. anti-crystallized ability is measured in the soil: add the 0.5g acid-saving high-efficient phosphatic manure in 400g soil, adding an amount of water cultivated the water regime of Soil conservation field capacity 2-5 days, add 800ml water concussion 6 hours then, filter, survey in the filtrate phosphorus content and filter available phosphorus and water-soluble phosphorus content in the soil of back.By above-mentioned steps CK (normal superphosphate or fused(calcium magnesium)phosphate) is measured, relatively both anti-solid phosphorus power.With CK relatively, available phosphorus in phosphorus content and the soil in the efficient phosphorous fertilizer without raw acid filtrate, water-soluble phosphorus content are higher.
Product performance:
The total fertilizer efficiency feature of efficient phosphorous fertilizer without raw acid is that anti-soil fixing ability is strong, quick-acting long-acting having both, utilization rate of fertilizer height, biological effectiveness height.Through test, on the Southern Red Soil corn, under the equivalent fertilizer application condition, efficient phosphorous fertilizer without raw acid increases production 8-35% than common phosphate fertilizer, and obviously improves corn field top and inhale the phosphorus amount.
The chemical analysis results of efficient phosphorous fertilizer without raw acid shows, compares water-soluble phosphorus ratio decline in its validity phosphorus with normal superphosphate or fused(calcium magnesium)phosphate, but arrests the CaHPO in the dissolubility phosphorus
4.2H
2O content does not subtract, and the degree of crystallinity reduction, helps improving the running balance of nutrient supply and crop needs.The anti-crystallized ability of efficient phosphorous fertilizer without raw acid obviously is better than normal superphosphate or fused(calcium magnesium)phosphate.Waiting under the weight condition, the fertilizer efficiency of this product is better than normal superphosphate or fused(calcium magnesium)phosphate usually.Advantage of the present invention:
1. efficiently utilize by all kinds of means for the large-scale industrialization of ground phosphate rock and opened up new technological approaches;
2. reduced the facility investment of production of phosphate fertilizer, made compound fertilizer factory or newly-built phosphate fertilizer plant under the small amount of equipment investment condition, can carry out production of phosphate fertilizer;
3. no sulfuric acid and processes such as mixing of ground phosphate rock changes in producing greatly reduce the loss that equipment corrosion causes, and help utilizing mid low grade phosphate rock stone, thereby obviously reduce the production of phosphate fertilizer cost;
4. the anti-soil fixing ability of phosphate fertilizer product is strong, and fertilizer needs fertilizer to coordinate the utilization ratio height for fertile with crop, fertilizer efficiency is good, and can increase production and obviously improve crop quality, obviously reduces leaching loss, help to prevent and treat the eutrophication of water body, have tangible environmental benefit and economic benefit.
Embodiment: embodiment 1: with 100 tons of the phosphorus ores shown in the table 1, the production process of producing efficient phosphorous fertilizer without raw acid:
The basic chemical constitution of certain phosphorus ore of table 1
| Form | Total P 2O 5 | Effective P 2O 5 | ?CaO | ?MgO | CO 2 | ?F | ?Fe 2O 3 | ?Al 2O 3 | Acid non-soluble substance |
| % (quality) | ?34.18 | ?6.2 | ?46.47 | ?0.20 | 1.23 | ?3.21 | ?1.11 | ?1.03 | ?10.87 |
1. Rock Phosphate (72Min BPL) was pulverized the 80-100 mesh sieve;
2. add ammonium wilkinite activator 15-30 ton,, add small amount of liquid with the ground phosphate rock mixing
(this example is a water) at the grinding machine for grinding pulp, placed 1-5 hour;
3. to the slip that comes out from shredder, add 12-35 ton calcium superphosphate or fused(calcium magnesium)phosphate,
Stir;
4. drying promptly becomes product.Embodiment 2: use 100 tons of the phosphorus ores shown in the table 1, produce the production process of efficient phosphorous fertilizer without raw acid:
1. Rock Phosphate (72Min BPL) was pulverized the 80-100 mesh sieve;
2. in ground phosphate rock, add 12-35 ton calcium superphosphate or fused(calcium magnesium)phosphate, and add an amount of liquid
Body stirs;
3. add ammonium wilkinite activator 15-30 ton, with ground phosphate rock and calcium phosphate or calcium magnesium phosphorus
Fertile mixture stirs, and stacks 1-5 days;
4. drying promptly becomes product.Embodiment 3: with 100 tons of the phosphorus ores shown in the table 2, and the production process of producing efficient phosphorous fertilizer without raw acid:
The basic chemical constitution of certain phosphorus ore of table 2
| Form | Total P 2O 5 | Effective P 2O 5 | ?CaO | ?MgO | ?CO 2 | ?F | ?Fe 2O 3 | ?Al 2O 3 | Acid non-soluble substance |
| % (quality) | 28.28 | ?1.3 | ?50.47 | ?0.20 | ?1.23 | ?2.81 | ?1.12 | ?1.03 | ?12.87 |
1. ore was pulverized the 80-100 mesh sieve;
2. add xylogen activator 3-12 ton,, add small amount of liquid, grinding with the ground phosphate rock mixing
Grind to form pulpous state in the grinding machine, placed 1-5 hour;
3. to the slip that comes out from shredder, add 15-40 ton calcium superphosphate or fused(calcium magnesium)phosphate,
Stir;
4. drying had both become product.
Claims (8)
1. process for preparing efficient phosphorous fertilizer without raw acid: the pulverizing, grinding, the raw material that comprise ground phosphate rock mix processes such as stirring, drying, it is characterized in that adding in the ground phosphate rock organic or inorganic activator, add appropriate amount of fluid behind the mixing and become homogenate in grinding machine for grinding, the calcium superphosphate or the fused(calcium magnesium)phosphate that in homogenate, add the 5-99% (weight) that accounts for product phosphate fertilizer weight, stir dry product; Or add in the calcium superphosphate of product phosphate fertilizer weight 5-99% (weight) or the fused(calcium magnesium)phosphate mixture after appropriate amount of fluid mixes with accounting at ground phosphate rock, add the organic or inorganic activator, stir, stack and be activated to slaking, promptly become product after the drying.
2. according to the said process for preparing efficient phosphorous fertilizer without raw acid of claim 1, it is characterized in that said inorganic activator has: zeolite, wilkinite, vermiculite, ammonium zeolite, ammonium wilkinite, ammonium vermiculite, acidifying zeolite, acidifying wilkinite, acidifying vermiculite.
3. according to the said process for preparing efficient phosphorous fertilizer without raw acid of claim 1, it is characterized in that said organic activator has: xylogen, monosodium glutamate waste liquid, alcohol slops.
4. according to the said no raw material high-efficient phosphatic manure production method of claim 1-3, it is characterized in that the add-on of activator is: the zeolite add-on accounts for the 2-60% (weight) of product phosphate fertilizer, the wilkinite add-on accounts for the 2-60% (weight) of product phosphate fertilizer, the vermiculite add-on accounts for the 2-60% (weight) of product phosphate fertilizer, ammonium zeolite add-on accounts for the 2-60% (weight) of product phosphate fertilizer, ammonium wilkinite add-on accounts for the 2-60% (weight) of product phosphate fertilizer, ammonium vermiculite add-on accounts for the 2-60% (weight) of product phosphate fertilizer, acidifying zeolite add-on accounts for the 2-60% (weight) of product phosphate fertilizer, acidifying wilkinite add-on accounts for the 2-60% (weight) of product phosphate fertilizer, acidifying vermiculite add-on accounts for the 2-60% (weight) of product phosphate fertilizer, the xylogen add-on accounts for the 2-50% (weight) of product phosphate fertilizer, the monosodium glutamate waste liquid add-on accounts for the 10-75% (weight) of product phosphate fertilizer, the alcohol slops add-on accounts for the 10-75% (weight) of product phosphate fertilizer.
5. according to the production method of claim 1 and 4 said efficient phosphorous fertilizer without raw acid, the desirable add-on that it is characterized in that inorganic activator is 15-25% (weight), and the desirable add-on of xylogen is 4-8% (weight).
6. according to the said process for preparing efficient phosphorous fertilizer without raw acid of claim 1, it is characterized in that when adding the organic or inorganic activator, can select one or more of organic or inorganic activator for use, when adding multiple activator, its total add-on should not surpass wherein a kind of maximum value of answering add-on.
7. according to the said process for preparing efficient phosphorous fertilizer without raw acid of claim 1, the adding that it is characterized in that calcium superphosphate or fused(calcium magnesium)phosphate can select for use wherein a kind of also can both any mixing, its ideal blending ratio is a calcium superphosphate: fused(calcium magnesium)phosphate is 3: 7 (weight).
8. according to the said process for preparing efficient phosphorous fertilizer without raw acid of claim 1, it is characterized in that the desirable add-on of calcium superphosphate or fused(calcium magnesium)phosphate accounts for the 15-30% of product phosphate fertilizer amount (weight).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00117223 CN1114578C (en) | 2000-07-04 | 2000-07-04 | Process for preparing efficient phosphorous fertilizer without raw acid |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00117223 CN1114578C (en) | 2000-07-04 | 2000-07-04 | Process for preparing efficient phosphorous fertilizer without raw acid |
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| Publication Number | Publication Date |
|---|---|
| CN1276359A true CN1276359A (en) | 2000-12-13 |
| CN1114578C CN1114578C (en) | 2003-07-16 |
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ID=4586607
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 00117223 Expired - Fee Related CN1114578C (en) | 2000-07-04 | 2000-07-04 | Process for preparing efficient phosphorous fertilizer without raw acid |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101891530A (en) * | 2010-05-07 | 2010-11-24 | 华南农业大学 | Activated calcium magnesium phosphate fertilizer and preparation method thereof |
| CN102321485A (en) * | 2011-06-13 | 2012-01-18 | 华南农业大学 | Modified phosphorus rock powder superabsorbent composite and preparation method thereof |
| CN104892054A (en) * | 2014-03-04 | 2015-09-09 | 赵德彬 | Method for production of active phosphate fertilizer from microbial agent and molasses alcohol waste liquid |
| CN105367334A (en) * | 2014-11-15 | 2016-03-02 | 深圳市芭田生态工程股份有限公司 | Soil conditioner prepared from natural mineral and organic waste and production method thereof |
| CN113956102A (en) * | 2021-12-03 | 2022-01-21 | 湖北富邦科技股份有限公司 | Method for improving nutrient utilization rate of calcium magnesium phosphate fertilizer |
-
2000
- 2000-07-04 CN CN 00117223 patent/CN1114578C/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101891530A (en) * | 2010-05-07 | 2010-11-24 | 华南农业大学 | Activated calcium magnesium phosphate fertilizer and preparation method thereof |
| CN101891530B (en) * | 2010-05-07 | 2014-09-24 | 华南农业大学 | Activated calcium magnesium phosphate fertilizer and preparation method thereof |
| CN102321485A (en) * | 2011-06-13 | 2012-01-18 | 华南农业大学 | Modified phosphorus rock powder superabsorbent composite and preparation method thereof |
| CN102321485B (en) * | 2011-06-13 | 2014-05-28 | 华南农业大学 | Modified phosphorus rock powder superabsorbent composite and preparation method thereof |
| CN104892054A (en) * | 2014-03-04 | 2015-09-09 | 赵德彬 | Method for production of active phosphate fertilizer from microbial agent and molasses alcohol waste liquid |
| CN104892054B (en) * | 2014-03-04 | 2018-04-27 | 赵德彬 | Utilize microbial bacterial agent and the method for molasses alcohol waste liquid production Active phosphate fertilizer |
| CN105367334A (en) * | 2014-11-15 | 2016-03-02 | 深圳市芭田生态工程股份有限公司 | Soil conditioner prepared from natural mineral and organic waste and production method thereof |
| CN105367334B (en) * | 2014-11-15 | 2019-06-14 | 深圳市芭田生态工程股份有限公司 | The soil conditioner and its method produced using natural minerals and organic waste |
| CN113956102A (en) * | 2021-12-03 | 2022-01-21 | 湖北富邦科技股份有限公司 | Method for improving nutrient utilization rate of calcium magnesium phosphate fertilizer |
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| Publication number | Publication date |
|---|---|
| CN1114578C (en) | 2003-07-16 |
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Granted publication date: 20030716 Termination date: 20170704 |