CN1083035A - Energy-efficient composite organic-inorganic fertilizer and novel process - Google Patents
Energy-efficient composite organic-inorganic fertilizer and novel process Download PDFInfo
- Publication number
- CN1083035A CN1083035A CN 92109087 CN92109087A CN1083035A CN 1083035 A CN1083035 A CN 1083035A CN 92109087 CN92109087 CN 92109087 CN 92109087 A CN92109087 A CN 92109087A CN 1083035 A CN1083035 A CN 1083035A
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- fertilizer
- special
- phosphate
- composite fertilizer
- energy
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Classifications
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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
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Fertilizers (AREA)
Abstract
Energy-efficient composite organic-inorganic fertilizer and novel process, be with save sour multi-functional phosphate fertilizer, urea (or other nitrogenous fertilizer), sylvite and in chemical fertilizer such as amount, trace element and natural organic high-molecular compound be matrix, through processing such as modification, ammonification, activation, make through operations such as mixing, granulation, safety drying, cooling, screenings again.
This composite organic-inorganic fertilizer and novel process, have energy-conservation, cut down the consumption of raw materials, reduce nutrient loss, improve fertilizer efficiency, improve characteristics such as product quality.
Description
The invention relates to the partially acidulated rock phosphate that a kind of, citric acid dissolubility water-soluble by containing and insoluble phosphate constitute (or claims the part acidic phosphorus mine powder fertile PAPR, or be furnished with other and contain phosphatic manure) with urea (or other ammonia fertilizer), sylvite and in amount, trace element, natural organic high-molecular compound etc. be the material of component, handle through modification, slaking, ammonification (or oxidation) respectively, through technologies such as mixing, granulation, dryings, make the composite organic-inorganic fertilizer or composite fertilizer special and the novel process that are fit to certain crop or soil again.
Be the compound fertilizer of matrix with general calcium or coarse whiting both at home and abroad at present; need mostly that it adopts that " two temperature two burn " are dry, ammonification or with in the thermal process phosphatic fertilizers such as calcium magnesium phosphorus and after exsiccant treatment process again; remove wherein moisture content and free acid, be mixed again again with after nitrogenous fertilizer mixing granulations such as urea or the granulation.Above method completely exists the energy, the raw materials consumption height, take a lot of work again, time-consuming, facility investment is many, technology is loaded down with trivial details, so that cause the too high disadvantage of multiple fertile production cost.
Purpose of the present invention just is to absorb newest research results both domestic and external, use a kind of new material fertilizer-partially acidulated rock phosphate (or claiming the part acidic phosphorus mine powder fertile PAPR), the natural organic high-molecular compound that is equipped with other ammonia, potassium, little fertilizer, interpolation necessity is again done activator and phosphorus decomposing agent, and optimization production technology, thereby make composite organic-inorganic fertilizer or the special-purpose fertilizer that is fit to modern ecological agricultural development requirement.
To contain water-soluble, the mixture of lemon acidity and insoluble phosphate, promptly at first succeed in developing through International Fertilizer Development Centre (LFDC), be subjected to the partially acidulated rock phosphate that domestic many experts of scientific research institutions praise highly again, also claim part acidic phosphorus mine powder fertilizer (PAPR), and urea (or other ammonia fertilizer), sylvite, moderate-element, chemical fertilizer such as trace element, with treated humic acids ammonia, or natural organic high-molecular compound salt such as nitro humic acid mixes, granulation, safety is dry, just obtain strong activity, effect fleshes up, the utilization ratio height, multielement composite organic-inorganic fertilizer free from environmental pollution or specific complex granulated fertilizer.
Partially acidulated rock phosphate can adopt phosphoric acid or sulfuric acid part acidic phosphorus mine powder to produce in base fertilizer factory; Also can be when secondary processing, general calcium or coarse whiting and ground phosphate rock is mixed in proportion through slaking 2-4 week obtains.Its water content is 2-6%, and free acid is less than below 0.1%, just can be directly mix with nitrogenous fertilizer such as urea produce multiple fertile, thereby simplified production technique, save the energy, starting material and facility investment.
Confirm that according to data at home and abroad introduction and my test partially acidulated rock phosphate (or claiming PAPR) is waiting full P
2O
5Under the application conditions, similar with general calcium (SSP) or fused(calcium magnesium)phosphate (FMP) effect of increasing production that identical phosphorus ore is made, but when waiting fertile amount to use, the former fertilizer efficiency all be higher than the back both, if partially acidulated rock phosphate (PAPR) is splendid with fertilizer mixing application effect.
Example:
With general calcium, coarse whiting and ground phosphate rock be mixed the preparation partially acidulated rock phosphate, with raw materials such as urea, Repone K, ammonium humates.Production 12-12-12-6(HA) composite organic-inorganic fertilizer.
The raw material composition
| Material name | Nutrient water content % | Remarks | ||||
| N | P 2O 5 | K 2O | Water-soluble HA | H 2O | ||
| Partially acidulated rock phosphate 1 | 20 | 6 | General calcium and ground phosphate rock are mixed to be got | |||
| Partially acidulated rock phosphate 2 | 37 | 2.5 | Coarse whiting and ground phosphate rock are mixed to be got | |||
| Urea | 46 | 1 | ||||
| Repone K | 60 | 2 | ||||
| Ammonium humate | 4 | 50 | 25 | |||
Broken 20-40 order is stand-by respectively with above raw material.
Find the solution calculating according to the fertile component of compound, try to achieve 12-12-12-6(HA ton fertilizer and prepare burden composed as follows:
Partially acidulated rock phosphate 1
#: 230Kg
Partially acidulated rock phosphate 2
#: 209kg
Urea: 260kg
Repone K: 200kg
Ammonium humate: 154kg
By above batching composition stand-by material fertilizer is checked the weight, mixes, sprays hot water or be dissolved with micro-solution granulation, make 12-12-12-6(HA through safety drying, cooling, screening again) the compound particle fertilizer of organic-inorganic.
Claims (5)
1, partially acidulated rock phosphate of a kind of, citric acid dissolubility water-soluble and insoluble phosphate (or claiming the fertile PAPR of partial acidification phosphorus ground caustic or be furnished with other in addition to contain phosphatic manure) and urea (or other nitrogenous fertilizer), sylvite to contain.Chemical fertilizer such as moderate-element, trace element and natural organic high-molecular compound, processing, composite organic-inorganic fertilizer or composite fertilizer special that is suitable for certain crop, soil and the method made of drying again.
2, composite fertilizer or the special-purpose fertilizer that makes according to right () can be that particle also can be a pulvis.
3, by prepared composite fertilizer of claim () or special-purpose fertile used partially acidulated rock phosphate (or claiming PAPR), can make by acescency 10%-90%, also can be in secondary processing with general calcium or coarse whiting and ground phosphate rock in 1: 1-1: 9 ratio makes.
4, can be peat, weathered coal or brown coal certain humate by prepared composite fertilizer of claim () or the used natural organic high-molecular compound of composite fertilizer special through ammonification or oxide treatment.
5, remain on 6-10% by prepared composite fertilizer of right () requirement or the total free-water of special-purpose fertile raw material, free acid content is below 0.1%, and bake out temperature is controlled at 85-125 ℃.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 92109087 CN1083035A (en) | 1992-08-22 | 1992-08-22 | Energy-efficient composite organic-inorganic fertilizer and novel process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 92109087 CN1083035A (en) | 1992-08-22 | 1992-08-22 | Energy-efficient composite organic-inorganic fertilizer and novel process |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1083035A true CN1083035A (en) | 1994-03-02 |
Family
ID=4943958
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 92109087 Pending CN1083035A (en) | 1992-08-22 | 1992-08-22 | Energy-efficient composite organic-inorganic fertilizer and novel process |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1083035A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102417421A (en) * | 2011-09-09 | 2012-04-18 | 广东拉多美化肥有限公司 | Full-water-soluble nitro compound fertilizer and preparation method thereof |
| CN106748502A (en) * | 2016-12-29 | 2017-05-31 | 乔奖峰 | A kind of phosphohumate and preparation method thereof |
-
1992
- 1992-08-22 CN CN 92109087 patent/CN1083035A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102417421A (en) * | 2011-09-09 | 2012-04-18 | 广东拉多美化肥有限公司 | Full-water-soluble nitro compound fertilizer and preparation method thereof |
| CN102417421B (en) * | 2011-09-09 | 2013-11-06 | 广东拉多美化肥有限公司 | Full water-soluble nitro compound fertilizer and preparation method thereof |
| CN106748502A (en) * | 2016-12-29 | 2017-05-31 | 乔奖峰 | A kind of phosphohumate and preparation method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C01 | Deemed withdrawal of patent application (patent law 1993) | ||
| WD01 | Invention patent application deemed withdrawn after publication |