CN101830751A - Granulation technology of delicate organic fertilizer or organic and inorganic compound fertilizer and product thereof - Google Patents
Granulation technology of delicate organic fertilizer or organic and inorganic compound fertilizer and product thereof Download PDFInfo
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- CN101830751A CN101830751A CN 201010156753 CN201010156753A CN101830751A CN 101830751 A CN101830751 A CN 101830751A CN 201010156753 CN201010156753 CN 201010156753 CN 201010156753 A CN201010156753 A CN 201010156753A CN 101830751 A CN101830751 A CN 101830751A
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Abstract
The invention relates to a granulation technology of delicate organic fertilizer or organic and inorganic compound fertilizer and a product thereof, belonging to the technology of organic (class) fertilizer production. In the granulation technology of the invention, a small quantity of fertilizer of specific variety is added and is mixed with matured compost of which moisture content is below 40%, and the mixture is jointly smashed; then, rotor drum granulation is carried out so as to spray by hydrolysate which abandons protein, and black granular fertilizer can be obtained without adding binder. The method of the invention overcomes the defect that severe production environment caused by serious dust emission during drying matured compost and smashing; spray granulation liquid is hydrolysate abandoning protein, has high viscosity (without being added with attapulgite), contains amino acid nutrition and has low cost and beautiful appearance. The granulation technology provides the technology which is simple and easy to realize and has low cost for the commercial production of organic (class) fertilizer in China.
Description
One, technical field
The present invention relates to granulation process of exquisite fertilizer or composite organic-inorganic fertilizer and products thereof, belong to commodity organic (class) fertilizer production technology, airborne dust very seriously causes problems such as the very abominable and granulation process cost height of organic (class) fertiliser production environment when overcoming compost and smashing.
Two, background technology
Use owing to chemical fertilizer is excessive and to cause that soil compaction and biological activity extremely reduce, the low loss of utilization rate of nitrogen fertilizer seriously causes degradation phenomenon under environmental pollution, the quality of agricultural product, people begin to pay attention to using exquisite fertilizer and composite organic-inorganic fertilizer, the advantage of using these fertilizer be both to have overcome chemical fertilizer nutrient single, discharge too fast and cause the unsteady shortcoming of output, overcome again common fertilizer nutrient content low, discharge slow and influence the shortcoming of output.Therefore, exquisite fertilizer and composite organic-inorganic fertilizer will become the direction of China and even world's fertilizer industry development.
Produce exquisite fertilizer and the granulation of composite organic-inorganic fertilizer product requirement, granulation process on producing at present has disk granulation and drum granulating, two kinds of granulation processs all need composting material to reach certain fineness, most of manufacturing enterprise dries by the fire the water content of matured compost to below 15% earlier, the broken back granulation of conducting powder, the shortcoming of this technology maximum be exactly in the crushing process dust very serious, cause the plant produced environment very abominable; On the other hand, exquisite fertilizer and composite organic-inorganic fertilizer product granulation cost are higher, and granulation proterties and outward appearance are plain, in the composite organic-inorganic fertilizer product of high nutrient content since add binding agent make the product nutrient content difficulty reach standard; The reason of this two aspect has constituted the main technique technical barrier of exquisite fertilizer of China and composite organic-inorganic fertilizer industry development.
Three, summary of the invention
1. technical problem
The object of the present invention is to provide the production granulation process of a kind of exquisite fertilizer or composite organic-inorganic fertilizer, airborne dust very seriously causes problems such as the very abominable and granulation process cost height of organic (class) fertiliser production environment when overcoming in the prior art compost and smashing.
2. technical scheme
A kind of granulation process of organic class fertiliser production comprises:
With water content is matured compost below 40%, directly and behind chemical fertilizer ammonium sulfate, vitriolate of tartar, ammonium phosphate and the fused(calcium magnesium)phosphate thorough mixing pulverizes; Enter and carry out drum granulating in the rotary drum equipment, the material after the pulverizing is subjected to the discarded proteic hydrolyzed solution spraying of chicken feather, drake feather, wool or pig hair once in advancing rotary drum, walk in rotary drum equipment subsequently, and what come out is exactly black particle, again the drying finished product.
In the above-mentioned technology, for producing 20% composite organic-inorganic fertilizer, used chemical fertilizer prescription is 60% matured compost, 15% ammonium sulfate, 5% vitriolate of tartar, 15% ammonium phosphate, 5% fused(calcium magnesium)phosphate; For producing 8% exquisite fertilizer, used chemical fertilizer prescription is 85% matured compost, 13% ammonium sulfate, 2% ammonium phosphate.
Wherein the preparation method of discarded protein hydrolyte is: will discard albumen material chicken feather, drake feather, wool or pig hair and put into reactor, by weight hair: water: the ratio of the vitriol oil=0.58: 1: 0.88, after adding entry, add the vitriol oil again, 110 ℃ of following hydrolysis 10 hours, hydrolyzed solution takes out the back and is neutralized to pH5-7 with potassium hydroxide, stores stand-by.Material after the pulverizing enters and carries out drum granulating in the rotary drum equipment, and the material after the pulverizing is subjected to discarded proteic hydrolyzed solution spraying once in advancing rotary drum, the 4-6% that discarded proteic hydrolyzed solution spray amount is the solid materials volume.Walk in rotary drum equipment subsequently, what come out is exactly black particle, again the drying finished product.
Because hydrolyzed solution contains higher amino acid nutrient, organic class fertilizer product that described granulation process is produced, promoting crop growth and yield increasing effect are obvious, low production cost, the product appearance light is good-looking.
3. beneficial effect
The granulation process of a kind of exquisite fertilizer of the present invention and composite organic-inorganic fertilizer, its advantage is:
1) matured compost (water content is generally at 30%-40%) need not dried the back pulverizing, and airborne dust very seriously causes the very abominable shortcoming of production environment when drying compost and smashing thereby overcome.
2) the used liquid viscosity height of mist projection granulating, 5% attapulgite is added in exquisite fertilizer of past and composite organic-inorganic fertilizer granulation usually, and spray water as adhesive for granulating, this has increased difficulty for the nutrient content that improves in the fertilizer product, and the gloomy tarnish of product is ugly.
The present invention no longer needs to add attapulgite (make reach 20% nutrient content in the composite organic-inorganic fertilizer become possibility), hydrolyzed solution contains higher amino acid nutrient, promoting crop growth and yield increasing effect are obvious, low production cost, product appearance light good-looking (Fig. 1, Fig. 2).
3) above-mentioned technical characterstic has solved the technical barrier of exquisite fertilizer and composite organic-inorganic fertilizer granulation process.
Four, description of drawings
Fig. 1 nutrient content is 8% exquisite fertilizer granulation product proterties
Fig. 2 nutrient content is 20% organic and inorganic fertilizer granulation product proterties
Five, embodiment
1, the matured compost water content detects
The compost that becomes thoroughly decomposed through high temperature is detected water content, generally speaking, as long as compost through During High-Temperature Composting 10 days and after-ripening 5-7 days, its water content is all below 40%, be higher than 40% if detect water content, then allow the further after-ripening of this compost several days, turn in the after-ripening process and throw 1-2 time, until water content below 40%.
2, composite with mix
The matured compost (the used pig manure germination index that becomes thoroughly decomposed is more than 98%, and quality of organic matter ratio content 〉=35%, organonitrogen content are 1.2-2%) of water content 30-40% and a certain amount of chemical fertilizer are fully stirred evenly after composite.Compound proportion is as follows:
For producing 20% composite organic-inorganic fertilizer, its prescription is 60% matured compost, 15% ammonium sulfate, 5% vitriolate of tartar, 15% monoammonium phosphate, 5% fused(calcium magnesium)phosphate;
For producing 8% exquisite fertilizer, its prescription is 85% matured compost, 13% ammonium sulfate, 2% monoammonium phosphate.Annotate, replace monoammonium phosphate can reach same effect with diammonium phosphate.
3, pulverize
Granulation of fertilizer has certain requirement to the fineness of raw material, pulverize according to a conventional method again after above-mentioned organic and inorganic batching fully stirred evenly before pulverizing (fineness 0.16mm), just can reach the fineness requirement of granulation, overcome earlier matured compost oven dry back (water content is less than 15%) to be pulverized in the past and caused the very serious defective of dust.
4, amino-acid liquid mist projection granulating
Enter after the raw material pulverizing and carry out drum granulating in the rotary drum equipment, utilization was equipped with the spraying equipment spraying that is used for spraying water near being positioned at the front end rotary drum mouth of rotary drum equipment originally, make the material after pulverizing in advancing rotary drum, be subjected to discarded proteic hydrolyzed solution spraying once, walk 8 meters in rotary drum equipment according to routine subsequently, come out be exactly diameter be the black particle shape fertilizer of 1.00-4.75mmm, drying finished product again.
5, granulation spraying liquid preparation
Waste material chicken feather (or drake feather, wool, pig hair) is put into reactor, after adding certain water yield, add the vitriol oil again, ratio is the chicken feather dry weight: water: the vitriol oil=0.58: 1: 0.88,110 ℃ of following hydrolysis 10 hours, hydrolyzed solution takes out the back and is neutralized to about pH6 with potassium hydroxide, stores stand-by.In granulation when spraying, be sprayed to the raw material surface with 3-4 times of this hydrolysising original liquid dilution by topping-up pump, and spray amount is about about 5% of solid materials, just can make raw material granulating gradually in rotary drum.
5% attapulgite is added in exquisite fertilizer of past and composite organic-inorganic fertilizer granulation usually, and sprays water as adhesive for granulating, and this has increased difficulty for the nutrient content that improves in the fertilizer product, and the gloomy tarnish of product.The technology of the present invention technology need not to add attapulgite, and adopting the discarded proteic hydrolyzed solution (main component is amino acid and polypeptide) of directly spraying, cohesiveness is good, becomes the granularity height, and can guarantee that nutrient can add to such an extent that enter in the composite organic-inorganic fertilizer, reach 20% nutrient content (table 1).Hydrolyzed solution contains higher amino acid nutrient, and promoting crop growth and yield increasing effect are obvious, low production cost, product appearance light good-looking (Fig. 1, Fig. 2).
Exquisite fertilizer of table 1 and composite organic-inorganic fertilizer product index
Annotate: These parameters is up to state standards and industry standard fully
Claims (7)
1. the granulation process of exquisite fertilizer or composite organic-inorganic fertilizer comprises:
With water content is matured compost below 40%, directly and behind chemical fertilizer ammonium sulfate, vitriolate of tartar, ammonium phosphate and the fused(calcium magnesium)phosphate thorough mixing pulverizes; Enter and carry out drum granulating in the rotary drum equipment, the material after the pulverizing is subjected to the discarded proteic hydrolyzed solution spraying of chicken feather, drake feather, wool or pig hair once in advancing rotary drum, walk in rotary drum equipment subsequently, and what come out is exactly black particle, again the drying finished product.
2. granulation process according to claim 1 is characterized in that: for producing 20% composite organic-inorganic fertilizer, used chemical fertilizer mass ratio prescription is 60% matured compost, 15% ammonium sulfate, 5% vitriolate of tartar, 15% ammonium phosphate, 5% fused(calcium magnesium)phosphate; For producing 8% exquisite fertilizer, used chemical fertilizer mass ratio prescription is 85% matured compost, 13% ammonium sulfate, 2% ammonium phosphate.
3. granulation process according to claim 1 and 2, wherein the preparation method of discarded protein hydrolyte is: will discard albumen material chicken feather, drake feather, wool or pig hair and put into reactor, by weight hair: water: the ratio of the vitriol oil=0.58: 1: 0.88, after adding entry, add the vitriol oil again, 110 ℃ of following hydrolysis 10 hours, hydrolyzed solution took out the back and is neutralized to pH5-7 with potassium hydroxide, stores stand-by.
4. granulation process according to claim 3, it is characterized in that, material after the pulverizing enters and carries out drum granulating in the rotary drum equipment, material after the pulverizing is subjected to discarded proteic hydrolyzed solution spraying once in advancing rotary drum, in rotary drum equipment, walk subsequently, what come out is exactly black particle, again the drying finished product.
5. granulation process according to claim 3 is characterized in that, the 4-6% that discarded proteic hydrolyzed solution spray amount is the solid materials volume.
6. granulation process according to claim 4 is characterized in that, the 4-6% that discarded proteic hydrolyzed solution spray amount is the solid materials volume.
7. exquisite fertilizer or the composite organic-inorganic fertilizer product produced of the described granulation process of one of claim 1-6.
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102249780A (en) * | 2011-06-09 | 2011-11-23 | 桑德环境资源股份有限公司 | Method for manufacturing organic granular fertilizer by municipal waste compost |
CN102826934A (en) * | 2012-07-31 | 2012-12-19 | 马鞍山科邦生态肥有限公司 | Special sweet potato fertilizer and preparation method of special sweet potato fertilizer |
CN112919933A (en) * | 2021-04-13 | 2021-06-08 | 康伟华 | Method for preparing organic potassium sulfate round granular fertilizer |
Citations (4)
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CN1064671A (en) * | 1991-11-04 | 1992-09-23 | 广西容县三聚磷酸钠厂 | The production technique of organonitrogen phosphorus potassium complex fertilizer and method thereof |
CN1063165C (en) * | 1996-06-07 | 2001-03-14 | 赤峰市农业科学研究所 | Industrially-produced efficient composite organic fertilizer and its production |
CN1306954A (en) * | 2000-01-28 | 2001-08-08 | 费福生 | Multicomponent organic fertilizer and its preparing process |
CN1401614A (en) * | 2002-09-25 | 2003-03-12 | 张伯寅 | Particle fertilizer for corn |
-
2010
- 2010-04-27 CN CN2010101567533A patent/CN101830751B/en active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
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CN1064671A (en) * | 1991-11-04 | 1992-09-23 | 广西容县三聚磷酸钠厂 | The production technique of organonitrogen phosphorus potassium complex fertilizer and method thereof |
CN1063165C (en) * | 1996-06-07 | 2001-03-14 | 赤峰市农业科学研究所 | Industrially-produced efficient composite organic fertilizer and its production |
CN1306954A (en) * | 2000-01-28 | 2001-08-08 | 费福生 | Multicomponent organic fertilizer and its preparing process |
CN1401614A (en) * | 2002-09-25 | 2003-03-12 | 张伯寅 | Particle fertilizer for corn |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102249780A (en) * | 2011-06-09 | 2011-11-23 | 桑德环境资源股份有限公司 | Method for manufacturing organic granular fertilizer by municipal waste compost |
CN102249780B (en) * | 2011-06-09 | 2013-08-07 | 桑德环境资源股份有限公司 | Method for manufacturing organic granular fertilizer by municipal waste compost |
CN102826934A (en) * | 2012-07-31 | 2012-12-19 | 马鞍山科邦生态肥有限公司 | Special sweet potato fertilizer and preparation method of special sweet potato fertilizer |
CN112919933A (en) * | 2021-04-13 | 2021-06-08 | 康伟华 | Method for preparing organic potassium sulfate round granular fertilizer |
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Effective date of registration: 20180803 Address after: 210043 Datong eco industrial park, Bagua Zhou street, Qixia District, Nanjing, Jiangsu, China Patentee after: Nanjing Mingzhu Fertilizer Co., Ltd. Address before: Nanjing City, Jiangsu Province, No. 1 210095 Weigang Co-patentee before: Nanjing Mingzhu Fertilizer Co., Ltd. Patentee before: Nanjing Agricultural University |
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