CN102976841A - Method for producing composite microbial fertilizer by using coating technology - Google Patents
Method for producing composite microbial fertilizer by using coating technology Download PDFInfo
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- CN102976841A CN102976841A CN2011102627714A CN201110262771A CN102976841A CN 102976841 A CN102976841 A CN 102976841A CN 2011102627714 A CN2011102627714 A CN 2011102627714A CN 201110262771 A CN201110262771 A CN 201110262771A CN 102976841 A CN102976841 A CN 102976841A
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Abstract
The invention relates to a production method of a composite microbial fertilizer. Specifically, a liquid coating and solid coating composite method is adopted; composite microbial powder is dissolved into coating oil; coating oil containing the microbial agent is subjected to metered spray-coating at a coating machine position on a continuous production line; and a pure organic coating powdery material is added, such that an organic-inorganic compound mixed fertilizer finished product can be obtained from a rotary drum production line. According to the invention, coating and caking-prevention are achieved in the coating machine, and enough microbial agent can be added, such that high-quality composite microbial fertilizer can be produced.
Description
Affiliated technical field
The present invention relates to a kind of production method of composite microbiological fertilizer.A kind of film-coating technique that adopts is added with the method that the beneficial microorganism microbial inoculum is produced composite microbiological fertilizer in the granular complex fertilizer outside specifically.
Background technology
At present, the composite microbiological fertilizer of domestic production mostly is greatly powder product, is unfavorable for using seed sower to carry out seed manure and uses simultaneously; And the granule type composite microbiological fertilizer that minority is produced exists living bacteria count to hang down the problems such as single with unstable, effective viable bacteria kind, that available nutrient content is low, the production control difficulty is large.Some material that Some Enterprises uses such as polyvinyl alcohol etc. have blast, burning, the danger such as poisonous.
Microbial growth need to have certain condition with survival: moisture content, nutritive substance, aerobic bacteria also need oxygen (air) etc., and the part microorganism is also to the very strong reaction that how much has of the acid-basicity in the living environment or inorganic salt content.The quality of the composite microbiological fertilizer that above microbial survival condition direct relation is produced.
Domestic production enterprise is when producing compound (closing) fertilizer or organic and inorganic compound (closing) fertilizer, and the production technique of employing mostly is greatly drum granulating or rotary drum+propylhomoserin method granulation, then dries, cools off, sieves, packs.In granulation and drying course, can produce higher temperature, be unfavorable for the survival of microorganism mushroom, if and using method or material are improper when having Some Enterprises to add after cooling, microbial inoculum can not stick to the fertilizer surface or adhere to not, does not reach the relevant national standard of composite microbiological fertilizer.
Summary of the invention
The invention provides a kind of mode that the liquid coating+the solid coating combines that adopts, the composite microbial bacteria powder is dissolved in the coating oil, the coating oil of microbiobacterial agent is contained in coating machine position on tinuous production by the metering spraying, then add pure organic a kind of coating powder material, make from the rotary drum production line compound (closing) fertilizer out, the finished product of organic and inorganic compound (closing) fertilizer, both reaching in coating machine, coating prevents caking, can add the microbiobacterial agent of q.s again, thereby produce the purpose of composite microbiological fertilizer.
The coating oil that the present invention uses is animal oil or vegetables oil, is rich in a large amount of organism; The microbial inoculum that uses is the composite fungus agent of subtilis+Bacillus licheniformis, the subtilis in this microbial inoculum and Bacillus licheniformis be gemma rate 〉=90%, living bacteria count and be 〉=and 30,000,000,000/gram, miscellaneous bacteria rate≤5%, fineness 〉=60 purpose bacterium powder; The ability that the subtilis of high gemma rate and Bacillus licheniformis adapt to acid, alkali or salt is strong, can survive the long period under lower water ratio and higher temperature and less air condition.The pure organism coated fertilizer that uses is the accessory substance face powder of rice source mill when producing rice, fineness 〉=80 orders.
Granulated fertilizer composition used among the present invention is: organic fertilizer, nitrogenous fertilizer, phosphate fertilizer, potash fertilizer, other auxiliary materials of having added in process of production the decomposing microbial inoculum fermenting-ripening.With above-mentioned starting material in rotary drum granulator after the granulation, the finished particle fertilizer that meets national standard that obtains after drying, cooling, the screening.Fertilizer total nutrient 〉=30% is rich in organic matter, humic acid, between the pH value 5-8, is conducive to the survival of microorganism.
The technical scheme that the present invention takes is: various raw and auxiliary materials are cooperated rear pulverizing by a certain percentage; then enter rotary drum granulator and carry out granulation; drying again; finished product fertilizer after cooling and the screening enters coating machine; coating oil cylinder is set at the coating machine place; to place in the coating oil cylinder as animal oil or the vegetables oil of coating oil; add withered grass and Bacillus licheniformis powder in coating oil and 5: 1 ratio of complex micro organism fungicide; the coating oil that then will contain composite fungus agent with volume pump is sprayed on the fertilizer surface from the coating machine opening for feed, contains the coating oil of composite fungus agent and the mass ratio 1-2 of fertilizer finished product: 1000.Designs of nozzles nebulizes coating oil and scatters for passing into pressurized air while entering coating oil; About 1 meter coating powder is sent in the coating machine behind the coating oil burner nozzle with worm conveyor simultaneously; Coating machine rotates in a clockwise direction, adds the flight of the high about 10CM in 6 roads in coating machine, material can better be rolled in coating machine, thereby it is even to reach coating, and the microbial inoculum adhesion strength is high, concentration is large, the significant multipurpose of preventing blocking effect.
Finished product after coating is finished carries out the sequential sampling sampling before entering packing, and send the laboratory to detect, and is qualified to guarantee every batch products.
The invention has the beneficial effects as follows: the present invention adopts the place, coating post on the production line of composite fertilizer or organic-inorganic compound fertilizer to add microbiobacterial agent, enter production line to realizing that finished product is packaged into the storehouse and can produces continuously from raw material, do not need to carry out secondary treatment, production efficiency improves greatly, saves production cost.Use bacteria containing amount up to the high density withered grass+bacillus licheniformis agent of 30,000,000,000/gram, high gemma rate can guarantee that microbial inoculum is attached to the lip-deep survival of fertiliser granulates, can ensure that the content of living bacteria count in the fertilizer finished product reaches national requirements.
The present invention adopts complex micro organism fungicide is joined the surface that then sprays to granulated fertilizer in the coating oil, can be in full force and effect be attached to the fertilizer surface, and then adding is with the coating powder of pure organic materials, coating machine is rotary drum and with flight, the fertiliser granulates that is coated with the coating oil that contains microbiobacterial agent is slided in coating machine, increase coating intensity and anti-caking intensity.
Figure of description
Fig. 1 is whole process process flow sheet of the present invention.
Fig. 2 is coating system implementation figure of the present invention.
Embodiment
Embodiment 1: produce organic-inorganic complex fertilizer 30%15-5-10 organic matter 〉=20% potassium sulfate type product, material proportion is by 100 parts: 35 parts of organic matter materials, 4 parts of stopping composition that 30 parts in urea, 12 parts of powder monoammonium phosphates, 19 parts of vitriolate of tartar, biological fermentation are processed;
Above-mentioned material is mixed in proportion sends into tablets press and carry out granulation, then the drying plant through the low temperature Wind Volume carries out drying and processing, and after being cooled near envrionment temperature, the finished product in the middle of thick, dusting cover divide, obtain is sent in the coating machine again;
Pour in the coating oil cylinder after the coating oil weighing that will ready animal oil or vegetables oil form, then by oil and 5: 1 ratio of bacterium powder with in the dissolving of composite microbial bacteria powder and the coating oil, the startup whipping device stirs, and makes the bacterium powder fully be dissolved in coating oil;
The coating oil that will contain microbial inoculum extracts pressurizing atomizing with volume pump and is sprayed on the granulated fertilizer surface, and the mass ratio that contains bacterium coating oil and fertilizer finished product is 1-2: 1000; About 1M place behind the coating oil burner nozzle joins coating powder in the fertilizer with worm conveyor, and the about 3-5 degree of the mounted angle of coating machine utilizes the rotation of coating machine that fertiliser granulates is slided in coating machine and to coating machine outlet motion; And make coating oil and coating powder be uniformly coated on the fertilizer surface, make it at the outer integument that forms one deck oil+powder of fertiliser granulates.
The finished product that is coated with microorganism coating microbial inoculum moves out behind the coating machine, and the travelling belt before entering the finished product packing feed bin uses self-actuated sampler to take a sample, and send the laboratory to detect.
This central laboratory of finished product company detected result:
This finished product send country of the Ministry of Agriculture microbial fertilizer Product Quality Verification Centers detected result:
The heavy metal detected result is all far below NY/T 798-2004 standard-required.
Claims (5)
1. the production method of a composite microbiological fertilizer.A kind ofly specifically adopt the mode that the liquid coating+the solid coating combines, the composite microbial bacteria powder is dissolved in the coating oil, the coating oil of microbiobacterial agent is contained in coating machine position on tinuous production by the metering spraying, then add pure organic a kind of coating powder material, make from the rotary drum production line compound (closing) fertilizer out, the finished product of organic and inorganic compound (closing) fertilizer, both reaching in coating machine, coating prevents caking, can add again the microbiobacterial agent of q.s, produce high-quality composite microbiological fertilizer.
2. the production method of composite microbiological fertilizer according to claim 1, it is characterized in that: the coating oil that uses is animal oil or vegetables oil, is rich in a large amount of organism; The microbial inoculum that uses is the composite fungus agent of subtilis+Bacillus licheniformis, and the subtilis in this microbial inoculum and Bacillus licheniformis are gemma rate 〉=90%, living bacteria count 〉=30,000,000,000/gram, miscellaneous bacteria rate≤5%, fineness 〉=60 purpose bacterium powder; The pure organism coating powder material that uses is the accessory substance face powder of rice source mill when producing rice, fineness 〉=80 orders.
3. the production method of composite microbiological fertilizer according to claim 1 is characterized in that: used granulated fertilizer composition is: organic fertilizer, nitrogenous fertilizer, phosphate fertilizer, potash fertilizer, other auxiliary materials of having added in process of production the decomposing microbial inoculum fermenting-ripening.With above-mentioned starting material in rotary drum granulator after the granulation, the finished particle fertilizer that meets national standard that obtains after drying, cooling, the screening.Fertilizer total nutrient 〉=30% is rich in organic matter, humic acid, between the pH value 5-8.
According to claim 1 with the production method of 2 described composite microbiological fertilizers, it is characterized in that: take animal oil or vegetables oil as coating oil, take subtilis and Bacillus licheniformis as composite fungus agent; This composite bacteria is dissolved in the coating oil, and coating oil is 5: 1 with the mass ratio of bacterium powder.Containing the coating oil of microbiobacterial agent and the mass ratio of granulated fertilizer is 1-2: 1000.
According to claim 1 with the production method of 2 described composite microbiological fertilizers, it is characterized in that: the coating oil-measuring pump that uses is the injection type metering pump, designs of nozzles nebulizes coating oil and scatters to reach best Painting effect for passing into pressurized air while entering coating oil; About 1 meter coating powder is sent in the coating machine behind the coating oil burner nozzle with worm conveyor simultaneously; Coating machine rotates in a clockwise direction, adds the flight of the high about 10CM in 6 roads in coating machine, material can better be rolled in coating machine, thereby it is even to reach coating, and the microbial inoculum adhesion strength is high, concentration is large, the significant multipurpose of preventing blocking effect.
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Cited By (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104446893A (en) * | 2014-11-08 | 2015-03-25 | 安徽欧杰利生态肥业有限公司 | High-concentration long-acting biological formula fertilizer with high biological strain and production method thereof |
| CN105152781A (en) * | 2015-09-27 | 2015-12-16 | 天津东升阳化肥股份有限公司 | Biological semi-organic fertilizer containing amino acid and making method thereof |
| CN105384538A (en) * | 2015-12-16 | 2016-03-09 | 深圳市芭田生态工程股份有限公司 | Water-free oil-free microbial fertilizer coating additive and microbial fertilizer and application thereof |
| CN105399530A (en) * | 2015-12-17 | 2016-03-16 | 福建中化智胜化肥有限公司 | Preparation and application of composite microbial fertilizer |
| CN105732180A (en) * | 2016-01-08 | 2016-07-06 | 福建省农业科学院土壤肥料研究所 | Compound fertilizer with wrapped microbial preparation, preparation method and applications thereof |
| CN105859428A (en) * | 2016-05-23 | 2016-08-17 | 史丹利化肥股份有限公司 | High-concentration inorganic compound microbial fertilizer |
| CN106083362A (en) * | 2016-06-20 | 2016-11-09 | 深圳市芭田生态工程股份有限公司 | A kind of organic carbon compound fertilizer containing microbial envelope agent |
| CN106116832A (en) * | 2016-06-23 | 2016-11-16 | 深圳市芭田生态工程股份有限公司 | A kind of microbial envelope compound fertilizer improving nematicide efficiency |
| CN107698301A (en) * | 2016-11-09 | 2018-02-16 | 中化化肥有限公司临沂农业研发中心 | A kind of high inorganic nutrients particle first bio-organic fertilizer and preparation method thereof entirely |
| CN107916114A (en) * | 2017-11-15 | 2018-04-17 | 山东宝瑞生物科技有限公司 | A kind of complex function type soil remediation microbial inoculum and preparation method thereof |
| CN108249987A (en) * | 2017-12-25 | 2018-07-06 | 云南云叶化肥股份有限公司 | A kind of compound fertilizer containing active microorganism and preparation method thereof |
| CN108314506A (en) * | 2017-04-09 | 2018-07-24 | 沃达农业科技股份有限公司 | A kind of bacterial manure preparation method and its process units |
| CN108341712A (en) * | 2018-03-19 | 2018-07-31 | 中化农业（临沂）研发中心有限公司 | One kind is containing composite microbial manure and preparation method thereof |
| CN108840761A (en) * | 2018-09-18 | 2018-11-20 | 周口万德生物有机肥有限公司 | A kind of dedicated compound organic and inorganic fertilizer of wheat |
| CN108840762A (en) * | 2018-09-18 | 2018-11-20 | 周口万德生物有机肥有限公司 | A kind of dedicated compound organic and inorganic fertilizer of peanut soybean |
| CN109503274A (en) * | 2019-01-09 | 2019-03-22 | 中国-***化肥有限公司 | A kind of bacteria agent synergy inorganic fertilizer and preparation method thereof |
| CN109704871A (en) * | 2019-03-09 | 2019-05-03 | 陕西中德禾正生物科技有限公司 | A kind of Chinese medicine viable bacteria packet membrane controlled release composite microbiological fertilizer and preparation method thereof |
| CN109879701A (en) * | 2019-04-17 | 2019-06-14 | 河北润农欣生物科技有限公司 | A kind of production method for semiarid, prone soil microbial manure |
| CN114656293A (en) * | 2022-04-28 | 2022-06-24 | 湖北佳玛驰生态农业有限公司 | Method for improving survival rate of microorganisms in high inorganic nutrient fertilizer |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1403418A (en) * | 2002-10-14 | 2003-03-19 | 深圳市芭田生态工程股份有限公司 | Composite biological fertilizer covered by bacterial material and its production process |
| US20040172997A1 (en) * | 2003-03-06 | 2004-09-09 | Yuen Foong Yu Paper Mfg Co. Ltd. | Plant nutrition formulated by recovery filtrate from plant fiber biopulp and method thereof |
| CN1651357A (en) * | 2004-02-08 | 2005-08-10 | 吴永常 | Organic-inorganic adulterated formula fertilizer |
| CN1793084A (en) * | 2005-12-08 | 2006-06-28 | 华南农业大学 | Film packing composite for fertilizer and process for producing film packed fertilizer by same composite and obtained film packed fertilizer |
| CN1830919A (en) * | 2006-03-17 | 2006-09-13 | 昆明榕风生物技术有限公司 | Environmental protection type synergia and controlled-releasing fertilizer and its prepn. method |
| CN101081775A (en) * | 2006-06-02 | 2007-12-05 | 天津市汉沽区福祥肥料加工厂 | Preparation technique of biology composite fertilizer |
| CN101289347A (en) * | 2008-06-04 | 2008-10-22 | 尹明灯 | Coating and loss-controlling fertiliser and method for preparing same |
-
2011
- 2011-09-06 CN CN2011102627714A patent/CN102976841A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1403418A (en) * | 2002-10-14 | 2003-03-19 | 深圳市芭田生态工程股份有限公司 | Composite biological fertilizer covered by bacterial material and its production process |
| US20040172997A1 (en) * | 2003-03-06 | 2004-09-09 | Yuen Foong Yu Paper Mfg Co. Ltd. | Plant nutrition formulated by recovery filtrate from plant fiber biopulp and method thereof |
| CN1651357A (en) * | 2004-02-08 | 2005-08-10 | 吴永常 | Organic-inorganic adulterated formula fertilizer |
| CN1793084A (en) * | 2005-12-08 | 2006-06-28 | 华南农业大学 | Film packing composite for fertilizer and process for producing film packed fertilizer by same composite and obtained film packed fertilizer |
| CN1830919A (en) * | 2006-03-17 | 2006-09-13 | 昆明榕风生物技术有限公司 | Environmental protection type synergia and controlled-releasing fertilizer and its prepn. method |
| CN101081775A (en) * | 2006-06-02 | 2007-12-05 | 天津市汉沽区福祥肥料加工厂 | Preparation technique of biology composite fertilizer |
| CN101289347A (en) * | 2008-06-04 | 2008-10-22 | 尹明灯 | Coating and loss-controlling fertiliser and method for preparing same |
Non-Patent Citations (2)
| Title |
|---|
| 李萍 等: ""桐油成膜材料的生物降解性研究"", 《化肥工业》, vol. 35, no. 2, 28 April 2008 (2008-04-28), pages 33 - 35 * |
| 郭会仙 等: ""天然产物在缓/ 控释肥料中的应用"", 《化工科技》, vol. 14, no. 6, 30 December 2006 (2006-12-30), pages 40 - 42 * |
Cited By (19)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104446893A (en) * | 2014-11-08 | 2015-03-25 | 安徽欧杰利生态肥业有限公司 | High-concentration long-acting biological formula fertilizer with high biological strain and production method thereof |
| CN105152781A (en) * | 2015-09-27 | 2015-12-16 | 天津东升阳化肥股份有限公司 | Biological semi-organic fertilizer containing amino acid and making method thereof |
| CN105384538A (en) * | 2015-12-16 | 2016-03-09 | 深圳市芭田生态工程股份有限公司 | Water-free oil-free microbial fertilizer coating additive and microbial fertilizer and application thereof |
| CN105399530A (en) * | 2015-12-17 | 2016-03-16 | 福建中化智胜化肥有限公司 | Preparation and application of composite microbial fertilizer |
| CN105732180A (en) * | 2016-01-08 | 2016-07-06 | 福建省农业科学院土壤肥料研究所 | Compound fertilizer with wrapped microbial preparation, preparation method and applications thereof |
| CN105859428A (en) * | 2016-05-23 | 2016-08-17 | 史丹利化肥股份有限公司 | High-concentration inorganic compound microbial fertilizer |
| CN106083362A (en) * | 2016-06-20 | 2016-11-09 | 深圳市芭田生态工程股份有限公司 | A kind of organic carbon compound fertilizer containing microbial envelope agent |
| CN106116832A (en) * | 2016-06-23 | 2016-11-16 | 深圳市芭田生态工程股份有限公司 | A kind of microbial envelope compound fertilizer improving nematicide efficiency |
| CN107698301A (en) * | 2016-11-09 | 2018-02-16 | 中化化肥有限公司临沂农业研发中心 | A kind of high inorganic nutrients particle first bio-organic fertilizer and preparation method thereof entirely |
| CN108314506A (en) * | 2017-04-09 | 2018-07-24 | 沃达农业科技股份有限公司 | A kind of bacterial manure preparation method and its process units |
| CN107916114A (en) * | 2017-11-15 | 2018-04-17 | 山东宝瑞生物科技有限公司 | A kind of complex function type soil remediation microbial inoculum and preparation method thereof |
| CN108249987A (en) * | 2017-12-25 | 2018-07-06 | 云南云叶化肥股份有限公司 | A kind of compound fertilizer containing active microorganism and preparation method thereof |
| CN108341712A (en) * | 2018-03-19 | 2018-07-31 | 中化农业（临沂）研发中心有限公司 | One kind is containing composite microbial manure and preparation method thereof |
| CN108840761A (en) * | 2018-09-18 | 2018-11-20 | 周口万德生物有机肥有限公司 | A kind of dedicated compound organic and inorganic fertilizer of wheat |
| CN108840762A (en) * | 2018-09-18 | 2018-11-20 | 周口万德生物有机肥有限公司 | A kind of dedicated compound organic and inorganic fertilizer of peanut soybean |
| CN109503274A (en) * | 2019-01-09 | 2019-03-22 | 中国-***化肥有限公司 | A kind of bacteria agent synergy inorganic fertilizer and preparation method thereof |
| CN109704871A (en) * | 2019-03-09 | 2019-05-03 | 陕西中德禾正生物科技有限公司 | A kind of Chinese medicine viable bacteria packet membrane controlled release composite microbiological fertilizer and preparation method thereof |
| CN109879701A (en) * | 2019-04-17 | 2019-06-14 | 河北润农欣生物科技有限公司 | A kind of production method for semiarid, prone soil microbial manure |
| CN114656293A (en) * | 2022-04-28 | 2022-06-24 | 湖北佳玛驰生态农业有限公司 | Method for improving survival rate of microorganisms in high inorganic nutrient fertilizer |
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Application publication date: 20130320 |