CN108558583A - Rotten sour durable composite fertilizer of a kind of zinc and preparation method thereof - Google Patents
Rotten sour durable composite fertilizer of a kind of zinc and preparation method thereof Download PDFInfo
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- CN108558583A CN108558583A CN201810470205.4A CN201810470205A CN108558583A CN 108558583 A CN108558583 A CN 108558583A CN 201810470205 A CN201810470205 A CN 201810470205A CN 108558583 A CN108558583 A CN 108558583A
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- Prior art keywords
- zinc
- rotten
- acid
- potassium
- composite fertilizer
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05B—PHOSPHATIC FERTILISERS
- C05B7/00—Fertilisers based essentially on alkali or ammonium orthophosphates
-
- 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
- C05G3/80—Soil conditioners
-
- 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
- C05G3/90—Mixtures of one or more fertilisers with additives not having a specially fertilising activity for affecting the nitrification of ammonium compounds or urea in the soil
-
- 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
- C05G5/00—Fertilisers characterised by their form
- C05G5/10—Solid or semi-solid fertilisers, e.g. powders
- C05G5/12—Granules or flakes
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- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Pest Control & Pesticides (AREA)
- Soil Sciences (AREA)
- Fertilizers (AREA)
Abstract
The invention discloses a kind of rotten sour durable composite fertilizers of zinc, and it is as follows that raw material forms parts by weight：The rotten acid 10~20 of urea 185~198, monoammonium phosphate 380~398, potassium chloride 255~275, potassium sulfate 70~85, ammonium sulfate 0~45, zinc, humic acid potassium 10~18, stabilizer 0.5~1.5, filler 20~60.The Synergistic additives such as zinc corruption acid are added in the present invention, slow down urea decomposition in the soil and rate of release, while increasing the transfer ability of phosphorus, reduce phosphate radical and Ca, Mg and Fe adverse reaction, promote content of soil available phosphor；To improve nitrogen, phosphorus utilization, promote soil fertility；Urease inhibitor inhibits urease activity in soil, to improve the utilization rate of nitrogen；With Chelating state zinc, the stability of secondary and micro-element fertilizers is improved with complexing of metal ion in the soil, improves utilization rate of fertilizer, while fertilizer functional characteristics can be increased, crop is promoted to absorb nutrition, enhances crop anti-adversity.
Description
Technical field
The present invention relates to the rotten sour durable composite fertilizer of a kind of production method of composite fertilizer more particularly to a kind of zinc and its preparation sides
Method.
Background technology
Currently, a large amount of applications of chemical fertilizer, it is serious not only result in soil hardening, acidification aggravation, salinization of soil, and leads to fertilizer
Utilization rate is extremely low, and waste is serious, and underground water is polluted, and quality of agricultural product declines, and is brought seriously to agricultural sustainable development
It threatens.Based on this, the Ministry of Agriculture proposes the target of applying quantity of chemical fertilizer zero growth rate under conditions of crop not underproduction.
The generally available primary raw material of existing composite fertilizer has：Urea, ammonium chloride, monoammonium phosphate, potassium chloride（Sulfuric acid
Potassium）, filler, liquefied ammonia, sulfuric acid etc., above-mentioned target can not be solved.To realize this target, utilization rate of fertilizer is improved, it is ensured that chemical fertilizer
It is reduced synergy, environmentally protective, promotes agricultural production from depending on resource consumption unduly to pursuing ecological, environmental protective and sustainable development
Transformation becomes common problem in the urgent need to address in current chemical fertilizer research and development.
Invention content
In order to solve the problems, such as current techniques, the purpose of the present invention is to provide a kind of rotten acid of zinc is long-acting compound
Fertilizer, and preparation method is provided.
In order to achieve the above objectives, the technology used in the present invention means are：A kind of rotten sour durable composite fertilizer of zinc, raw material group
It is as follows at parts by weight：Urea 185~198, monoammonium phosphate 380~398, potassium chloride 255~275, potassium sulfate 70~85, ammonium sulfate
0~45, the rotten acid 10~20 of zinc, humic acid potassium 10~18, stabilizer 0.5~1.5, filler 20~60.
Further, the stabilizer is urease inhibitor.
Further, the rotten sour durable composite fertilizer of the zinc, it is as follows that raw material forms parts by weight：Urea 185~198, phosphoric acid one
The rotten acid 10~20 of ammonium 380~398, potassium chloride 255~275, potassium sulfate 70~85, zinc, humic acid potassium 10~18, stabilizer 0.5
~1.5, filler 50~60.
Further, the rotten sour durable composite fertilizer of the zinc, it is as follows that raw material forms parts by weight：Urea 185~198, phosphoric acid one
The rotten acid 10~20 of ammonium 380~398, potassium chloride 255~275, potassium sulfate 70~85, ammonium sulfate 35~45, zinc, humic acid potassium 10~
18, stabilizer 0.5~1.5, filler 20~30.
Further, the filler is clay.
Further, the preparation method of the rotten sour durable composite fertilizer of the zinc, by urea, monoammonium phosphate, potassium chloride, sulfuric acid
Being sent into rotary drum granulator forms material bed after metering, by batch mixing elevator for potassium, humic acid potassium, stabilizer, filler；The concentrated sulfuric acid with
Gas ammonia is reacted in tubular reactor, generates ammonium sulfate mixed slurry, is whitewashed together in rotary drum granulator with the rotten acid of zinc after heating
Material bed on, under the effect of high-temperature fusion slurry, mutually bond granulating, while being passed through a certain amount of gas ammonia and adjusting pH value, be added to
Ball rate；Finished product is obtained after going out the material drying of comminutor, screening, cooling, coating, metering packing.
Further, the zinc corruption acid after the heating refers to：The rotten acid of zinc is heated by heating tank, heating temperature 60
DEG C, 15 minutes heating times.
Further, parameter setting is in the rotary drum granulator：2~3.5kg of steam pressure, tubular reactor temperature
90~130 DEG C, 60~65 DEG C of granulation material outlet temperature, granulation material granulating rate 75%~90%, granulation material pH value 5.8~
7.0, comminutor outlet material moisture 2.0%~3.0%.
Further, described to be passed through a certain amount of gas ammonia and refer to：It is passed through gas ammonia 30~35.
Further, the parameter setting of the dryer is:One dries 100~300 DEG C of head, a baking tail 50~70
℃；Two 170-200 DEG C of heads of drying, two dry 50~60 DEG C of tail.
The beneficial effects of the present invention are：The Synergistic additives such as zinc corruption acid are added in common fertilizer production process, zinc is rotten
Acid reacts with urea, slows down urea decomposition in the soil and rate of release；The rotten acid of zinc is reacted with phosphate radical simultaneously, is increased
The transfer ability of phosphorus reduces phosphate radical and Ca, Mg and Fe adverse reaction, promotes content of soil available phosphor；To improve nitrogen, phosphorus utilizes
Rate promotes soil fertility；Urease inhibitor can inhibit urease activity in soil, control the decomposition rate of urea and control waving for ammonia
Hair, to improve the utilization rate of nitrogen；With Chelating state zinc, humic acid in potassium fulvate in the soil with metal ion network
It closes, to improve the stability of secondary and micro-element fertilizers, improves the utilization rate of its available nutrient, to improve utilization rate of fertilizer,
Fertilizer functional characteristics can be increased simultaneously, crop is promoted to absorb nutrition, enhance crop anti-adversity.
Description of the drawings
Present disclosure is further elaborated with reference to the accompanying drawings and examples.
Fig. 1, for the present invention process flow diagram.
Specific implementation mode
Embodiment 1
A kind of rotten sour durable composite fertilizer of zinc, it is as follows that raw material forms parts by weight：Urea 185~198, monoammonium phosphate 380~398,
The rotten acid 10~20 of potassium chloride 255~275, potassium sulfate 70~85, ammonium sulfate 0~45, zinc, humic acid potassium 10~18, stabilizer 0.5
~1.5, filler 20~60.
The preparation method of the rotten sour durable composite fertilizer of the zinc, by urea, monoammonium phosphate, potassium chloride, potassium sulfate, humic acid
Being sent into rotary drum granulator forms material bed after metering, by batch mixing elevator for potassium, stabilizer, filler；The concentrated sulfuric acid is with gas ammonia in pipe
Formula reactor reaction generates ammonium sulfate mixed slurry, whitewashes together on the material bed of rotary drum granulator with the rotten acid of zinc after heating,
Under the effect of high-temperature fusion slurry, granulating is mutually bonded, while being passed through a certain amount of gas ammonia and adjusting pH value, increases balling ratio；Go out to make
Finished product is obtained after the grain material drying of machine, screening, cooling, coating, metering packing.
The tail gas that rotary drum granulator, dryer and cooler generate carries out vent gas treatment.
Zinc corruption acid is using humic acid as primary raw material, and using special microbial fermentation technology, extraction small molecule active is rotten
Phytic acid, and the fertilizer synergist prepared using trace element chelated technology.Contain a large amount of carboxyls, phenol hydroxyl in high-activity humic acid
Base, carbonyl isoreactivity group can promote plant growth, enhance photosynthesis, have good inhibition to soil urease liveness；
The rotten phosphorus of generation is reacted with phosphate radical, is increased the adverse reaction of migration, reduction phosphate radical and Ca, Mg and Fe of phosphorus etc., is promoted Soil Available
Phosphorus content.The rotten sour compound fertilizer of zinc can effectively facilitate the root system development of crop, improvement soil, culture fertility, supplement and activation
The effects that soil trace element.
Humic acid (HA) is the larger molecular organics matter being widely present in nature, is animals and plants remains, mainly plant
Remains, the one kind for causing and accumulating by the decomposition and conversion and a series of geochemical processes of microorganism has
Machine substance.Humic acid total amount contained by soil is maximum, but content wherein is average less than 1 percent, contains in salt-fresh water
Total amount is not also small, but concentration is lower.The basic structure of humic acid macromolecular is aromatic ring and alicyclic ring, be connected on ring carboxyl, hydroxyl,
The functional groups such as carbonyl, quinonyl, methoxyl group.With larger surface energy and physical absorption stress.Ion can be carried out with various fertilizer
It exchanges and physical absorption forms chelate or complex compound, to play improvement soil, storing water and preserving fertility, improve the work(such as utilization rate of fertilizer
Effect.
The rotten sour durable composite fertilizer of zinc is the compound fertilizer using urea as main nitrogen, and urea is amidonitrogen, when urea is applied
After entering soil, urase is hydrolyzed to ammonium nitrogen, can be just absorbed by crops.Urease inhibitor can inhibit the hydrolysis speed of urea
Degree, reduces volatilization and the nitrification of ammonium nitrogen.
It is principle that formula design, which follows " functionality for increasing composite fertilizer ", is increasing the adding proportions such as the rotten acid of zinc, humic acid
On the basis of, can either smooth continuous production, and cost can be taken into account in acceptable range.
Embodiment 2
As the preferred of embodiment 1, the stabilizer is urease inhibitor.
Also, for ammonium sulfate, two kinds of formulas, a kind of rotten sour durable composite fertilizer of zinc are we illustrated, raw material forms weight
Part is as follows：Urea 185~198, monoammonium phosphate 380~398, potassium chloride 255~275, potassium sulfate 70~85, zinc rotten sour 10~
20, humic acid potassium 10~18, stabilizer 0.5~1.5, filler 50~60.Ammonium sulfate is not added wherein.
Also a kind of rotten sour durable composite fertilizer of zinc, it is as follows that raw material forms parts by weight：Urea 185~198, monoammonium phosphate 380
~398, the rotten acid 10~20 of potassium chloride 255~275, potassium sulfate 70~85, ammonium sulfate 35~45, zinc, humic acid potassium 10~18, steady
Determine agent 0.5~1.5, filler 20~30.Ammonium sulfate is added wherein.
The filler is clay.
Embodiment 3
Preferably, the zinc corruption acid after the heating refers to one kind as embodiment 1：The rotten acid of zinc is heated by heating tank, is heated
Temperature 60 C, 15 minutes heating times.
Parameter setting is in the rotary drum granulator：2~3.5kg of steam pressure, 90~130 DEG C of tubular reactor temperature,
It is granulated 60~65 DEG C of material outlet temperature, is granulated material granulating rate 75~90%, is granulated material pH value 5.8~7.0, comminutor goes out
Mouth material moisture 2.0~3.0%.
It is described to be passed through a certain amount of gas ammonia and refer to：It is passed through gas ammonia 30~35.
The parameter setting of the dryer is:One dries 100~300 DEG C of head, 50~70 DEG C of a tail of baking；Two drying heads
170~200 DEG C, two 50~60 DEG C of tails of baking.
In above-described embodiment, humic acid content 8% in the rotten acid of zinc should be not less than 10kg/t with humic acid in product content；It examines
Consider water content 88% in the rotten acid of zinc, brings pressure to drying system, the easy caking dusting bigger than normal of finished product water content can be caused；For this purpose, setting
Humic acid potassium is added when meter formula, you can supplement part humic acid, and part potassium content can be supplemented, it can more activate the rotten acid of zinc living
Property.The rotten sour long-acting compound fertilizer of zinc（The low chlorine of 13-17-20）Raw material uses：Urea, monoammonium phosphate, potassium chloride, potassium sulfate, liquefied ammonia,
The rotten acid of the concentrated sulfuric acid, zinc, humic acid potassium, stabilizer, using sour method rotary drum prilling process and tower melt spray granulation work
Skill.The rotten main physico-chemical property of acid of zinc：The wherein rotten sour additive amount of zinc is in solid content >=12%, humic acid content >=8%, water content
>=88%, pH value 8.5-11.0.So when according to different ratio, 15~30kg/t of the rotten sour additive amount of zinc, humic acid potassium additive amount
Compound fertilizer utilization rate can be improved in 14~26kg/t, 1~2kg/t of stabilizer, increases compound fertilizer functional importance.
Due to the rotten sour water content of zinc（88%）It is bigger, tower melt spray granulation technique is such as used, with raw material components 15kg
It calculates, moisture content of finished products increases by 1.32%, even if by I and II mixing channel heat of vaporization partial moisture, moisture content of finished products is wanted at least
Increase by 1%, finished product easily lumps, and easy dusting.Therefore the sour method rotary drum prilling process in ammonification workshop can only be relied on to produce.
Compared with prior art, the performance of advantage is the following aspects to product of the present invention.
1, chemical fertilizer utilization ratio is improved：
The rotten acid of zinc in the rotten sour long-acting compound fertilizer of zinc reacts with urea, slows down urea decomposition in the soil and release is fast
Degree；The rotten acid of zinc is reacted with phosphate radical simultaneously, is increased the transfer ability of phosphorus, is reduced phosphate radical and Ca, Mg and Fe adverse reaction, promotes soil
Earth available phosphorus contents；To improve nitrogen, phosphorus utilization, promote soil fertility.
Stabilizer in the product（Urease inhibitor）It can inhibit urease activity in soil, control the decomposition rate of urea,
The volatilization of controllable ammonia, to improve the utilization rate of nitrogen.
The rotten acid of zinc in the product has Chelating state zinc, the humic acid in potassium fulvate in the soil with metal ion network
It closes, to improve the stability of secondary and micro-element fertilizers, improves the utilization rate of its available nutrient.
2, promote crop to absorb nutrition, enhance crop anti-adversity：
The rotten sour long-acting compound fertilizer of zinc contains the formation that humic acid can promote soil aggregate structure, have improve soil water conservation,
Fertilizer-preserving ability promotes seed sprouting and root growth, improves root water uptake, fertilizer sucting ability, increases crop tiller or branch.
The product can adsorb that fixed N P and K is converted into soil can be by the available nutrient of crop utilization, continuous administration
It can be prevented hardened with activating soil.
Chelating state zinc can effectively prevent the disease of crop in the product, promote the photosynthesis of crop, stimulate plant growth
Development；Zinc can also promote the synthesis of crop protein, improve crop yield and quality.
3, obvious effect of increasing production：
The rotten sour long-acting compound fertilizer nutrient of zinc is complete, micro- in existing organic and inorganic ingredient and zinc etc., and has long-acting support
Point, also fertilizer nutrient utilization can be improved in plant growth stimulating substance humic acid, fertility lasting stability, there is degeneration-resistant, increasing
Production, the comprehensive advantage for improving quality are a kind of functional new-type fertilizers.The product can also reduce the amount of application of fertilizer simultaneously, carry
It is horizontal to rise soil productivity, mitigates the ecological environmental pollution caused by fertilizer is excessively applied, to promoting the ecological agriculture to efficient, safety
Development has stronger realistic meaning.
Application embodiment is only intended to illustrate that technical characteristic disclosed in the present application, those skilled in the art pass through simple
Carried out change is replaced, the range that the application is protected is still fallen within.
Claims (10)
1. a kind of rotten sour durable composite fertilizer of zinc, which is characterized in that it is as follows that raw material forms parts by weight：Urea 185~198, phosphoric acid one
The rotten acid 10~20 of ammonium 380~398, potassium chloride 255~275, potassium sulfate 70~85, ammonium sulfate 0~45, zinc, humic acid potassium 10~
18, stabilizer 0.5~1.5, filler 20~60.
2. the rotten sour durable composite fertilizer of zinc according to claim 1, it is characterised in that：The stabilizer is urease inhibitor.
3. the rotten sour durable composite fertilizer of zinc according to claim 1, which is characterized in that it is as follows that raw material forms parts by weight：Urea
185~198, the rotten acid 10~20 of monoammonium phosphate 380~398, potassium chloride 255~275, potassium sulfate 70~85, zinc, humic acid potassium 10
~18, stabilizer 0.5~1.5, filler 50~60.
4. the rotten sour durable composite fertilizer of zinc according to claim 1, which is characterized in that it is as follows that raw material forms parts by weight：Urea
185~198, the rotten acid of monoammonium phosphate 380~398, potassium chloride 255~275, potassium sulfate 70~85, ammonium sulfate 35~45, zinc 10~
20, humic acid potassium 10~18, stabilizer 0.5~1.5, filler 20~30.
5. the rotten sour durable composite fertilizer of zinc according to claim 1, it is characterised in that：The filler is clay.
6. the rotten sour durable composite fertilizer of zinc according to claim 1, preparation method are characterized in that：By urea, phosphoric acid one
Ammonium, potassium chloride, potassium sulfate, humic acid potassium, stabilizer, filler are sent into rotary drum granulator shape after metering, by batch mixing elevator
At material bed；The concentrated sulfuric acid is reacted with gas ammonia in tubular reactor, generates ammonium sulfate mixed slurry, is sprayed together with the rotten acid of zinc after heating
Slurry under the effect of high-temperature fusion slurry, mutually bonds granulating, while being passed through a certain amount of gas ammonia tune on the material bed of rotary drum granulator
PH value is saved, balling ratio is increased；Finished product is obtained after going out the material drying of comminutor, screening, cooling, coating, metering packing.
7. the rotten sour durable composite fertilizer of zinc according to claim 6, it is characterised in that：Zinc corruption acid after the heating refers to：
The rotten acid of zinc is heated by heating tank, 60 DEG C of heating temperature, 15 minutes heating times.
8. the rotten sour durable composite fertilizer of zinc according to claim 6, it is characterised in that：Parameter setting in the rotary drum granulator
It is：2~3.5kg of steam pressure, 90~130 DEG C of tubular reactor temperature are granulated 60~65 DEG C of material outlet temperature, are granulated material
Granulating rate 75%~90% is granulated material pH value 5.8~7.0, comminutor outlet material moisture 2.0%~3.0%.
9. the rotten sour durable composite fertilizer of zinc according to claim 6, it is characterised in that：It is described to be passed through a certain amount of gas ammonia and refer to：
It is passed through gas ammonia 30~35.
10. the rotten sour durable composite fertilizer of zinc according to claim 6, it is characterised in that：The parameter setting of the dryer is:
One dries 100~300 DEG C of head, 50~70 DEG C of a tail of baking；Two 170-200 DEG C of heads of drying, two dry 50~60 DEG C of tail.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810470205.4A CN108558583A (en) | 2018-05-16 | 2018-05-16 | Rotten sour durable composite fertilizer of a kind of zinc and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810470205.4A CN108558583A (en) | 2018-05-16 | 2018-05-16 | Rotten sour durable composite fertilizer of a kind of zinc and preparation method thereof |
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| CN109320380A (en) * | 2018-11-30 | 2019-02-12 | 九禾股份有限公司 | A kind of pericarpium zanthoxyli schinifolii special fertilizer and fertilizing method |
| CN110483216A (en) * | 2019-08-07 | 2019-11-22 | 中海石油化学股份有限公司 | A kind of special fertilizer for sugar cane and its application method |
| CN112409060A (en) * | 2020-10-27 | 2021-02-26 | 广东拉多美化肥有限公司 | High-concentration potassium humate compound fertilizer and preparation method thereof |
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| CN110483216A (en) * | 2019-08-07 | 2019-11-22 | 中海石油化学股份有限公司 | A kind of special fertilizer for sugar cane and its application method |
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| CN112409060A (en) * | 2020-10-27 | 2021-02-26 | 广东拉多美化肥有限公司 | High-concentration potassium humate compound fertilizer and preparation method thereof |
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