WO2007086773A1 - Procédé de fabrication d'un engrais organo-minéral granulé - Google Patents

Procédé de fabrication d'un engrais organo-minéral granulé Download PDF

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Publication number
WO2007086773A1
WO2007086773A1 PCT/RU2006/000029 RU2006000029W WO2007086773A1 WO 2007086773 A1 WO2007086773 A1 WO 2007086773A1 RU 2006000029 W RU2006000029 W RU 2006000029W WO 2007086773 A1 WO2007086773 A1 WO 2007086773A1
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WO
WIPO (PCT)
Prior art keywords
mineral
fertilizer
granules
organic
drying
Prior art date
Application number
PCT/RU2006/000029
Other languages
English (en)
Russian (ru)
Inventor
Valentin Yakovlevich Malanchuk
Original Assignee
Valentin Yakovlevich Malanchuk
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Valentin Yakovlevich Malanchuk filed Critical Valentin Yakovlevich Malanchuk
Priority to PCT/RU2006/000029 priority Critical patent/WO2007086773A1/fr
Publication of WO2007086773A1 publication Critical patent/WO2007086773A1/fr

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C05—FERTILISERS; MANUFACTURE THEREOF
    • C05D—INORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C; FERTILISERS PRODUCING CARBON DIOXIDE
    • C05D9/00—Other inorganic fertilisers
    • C—CHEMISTRY; METALLURGY
    • C05—FERTILISERS; MANUFACTURE THEREOF
    • C05D—INORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C; FERTILISERS PRODUCING CARBON DIOXIDE
    • C05D9/00—Other inorganic fertilisers
    • C05D9/02—Other inorganic fertilisers containing trace elements
    • 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

Definitions

  • the invention relates to agriculture, namely, to methods for the manufacture of granular organic fertilizer.
  • a known method of producing organic-mineral fertilizer by mixing ammonia peat enriched with trace elements and fractions that are obtained by processing peat with alkali and hydrogen peroxide solutions.
  • Ammonization of lowland peat of 80% humidity is carried out with a solution of ammonia and urea at 80-90 0 C for 3-3.5 hours.
  • the mass ratio of peat and 10% of a solution of ammonia is 1: 0.4, the amount of urea is 100% of calculation for anhydrous ammonia.
  • Microelements and solutions obtained by sequential processing of lowland peat with 80% humidity with a 3% aqueous solution of an alkaline reagent for 10 h are added to ammonia-activated peat -
  • SUBSTITUTE SHEET (RULE 26) at 2O 0 C and a 10% solution of hydrogen peroxide at 80-90 0 C for 1, 5-2 hours.
  • the ratio of peat, 3% solution of an alkaline reagent and a 10% solution of hydrogen peroxide is 1: 12: 2.
  • a 25% phosphoric acid solution is used to neutralize the increased alkalinity of fertilizer and ammonia binding.
  • the amount of peat activated by ammonia in the fertilizer is 20-50 wt.%.
  • a known method of producing organic-mineral fertilizers including mixing humic-containing organic raw materials with mineral fertilizers, granulating and drying the mixture at elevated temperature, which is characterized in that in order to increase the yield of marketable products and expand the range of processed humic-containing organic raw materials, mineral fertilizers are used for mixing in the form of an aqueous solution with a temperature of 60 ° - 95 0 C, and hydrolysis lignin or peat with a content of 10-25% of humic compounds based on dry matter, while granulating and drying the mixture is carried out at 85 ° -120 ° C.
  • This method of producing organic fertilizer is taken as a prototype.
  • the main disadvantages of the prototype include the fact that in this method the granulation of organic fertilizer is carried out in a drum granulator, which does not provide the necessary strength of the granules, as a result of which a large amount of dusty product is formed after drying of the granules, which is sent to a second mixing and granulation process, moreover
  • the drum granulator does not provide granules of a stable size, has very significant dimensions and occupies a large production area.
  • the disadvantages also include the drying process of granules, which is produced in the apparatus of the pipe dryer at a high gaseous rate
  • SUBSTITUTE SHEET (RULE 26) coolant, which leads to the use of an elevated temperature of 450 ° -750 ° C, since the speed of the coolant is high and the granules are in the dryer pipe for a few seconds. At a high coolant speed, a large amount of a dusty product is again formed due to mechanical collisions, and the high drying temperature of the granules negatively affects the quality of organic components (peat, sapropel) in the composition of organic fertilizer.
  • peat, sapropel organic components
  • the dimensions of the pipe-dryer are also a drawback, since it is located vertically and requires the construction of a rather high production room. In addition, when drying more than 1.5 tons of product per hour, the installation does not provide stable operation.
  • the technical result, to which the claimed invention is directed, is to obtain granules of organic-mineral fertilizer with high uniformity of composition, with high dimensional stability, lowering the drying temperature of the granules from 150 ° to 45O 0 C and, accordingly, with improving the quality of the organic components of the finished product -, the stability of the process in the manufacture of more than three tons of fertilizer per hour with minimal mechanical destruction of the granules and reduced energy intensity.
  • the essence of the invention is a method for the manufacture of granular organic fertilizers, comprising dosing the components, grinding, mixing, granulating and drying, which
  • SUBSTITUTE SHEET (RULE 26) characterized in that they mix organic raw materials, comprising at least 40% by weight of the finished fertilizer, mineral additives, comprising at least 15% by weight of the finished fertilizer, the organomineral mass is granulated with a screw extruder and the granules are dried in a drying drum at a feed gas temperature in the range from 150 ° to 450 0 C.
  • the claimed method is used for the production of environmentally friendly granular guminized organic mineral fertilizers (WMD).
  • WMD granular guminized organic mineral fertilizers
  • the main product of production is organic fertilizers based on peat or sapropel, that is, mineral additives are mixed with peat or sapropel.
  • organic fertilizers based on peat or sapropel, that is, mineral additives are mixed with peat or sapropel.
  • the organic components of the fertilizer include both peat and sapropel.
  • fertilizers contain 60-75% of organic matter.
  • Organic raw materials are mixed with nitrogen-containing, with potassium-containing, with phosphorus-containing mineral additives, magnesium, in optimal proportions, macro and microelements are added to the composition of organic mineral fertilizers.
  • FIG. 1 shows the production line of granular organic fertilizer: peat receiving hopper 1, magnesium sulfate receiving hopper 2, urea receiving hopper 3, potassium sulfate receiving hopper 4, ammophos receiving hopper 5, peat elevator 6, elevator 7.
  • SUBSTITUTE SHEET (RULE 26) magnesium sulfate lift, urea lift elevator 8, potassium sulfate lift elevator 9, ammophos elevator 10 elevator, peat feed hopper 11, magnesium sulfate feed hopper 12, carbamide feed hopper 13, potassium sulfate feed hopper 14, ammophos feed hopper 15, automatic, dispenser 16 peat, an automatic dispenser 17 of magnesium sulfate, an automatic dispenser of 18 urea, an automatic dispenser of 19 potassium sulfate, an automatic dispenser of 20 ammophos, a conveyor 21 screw, airlock feeder 22, a dust hopper 23, a cyclone 24, a smoke exhauster 25, smoke pipe 26, charge elevator 27, twin-shaft mixer 28, screw extruder 29 (granulator), screw conveyor 30, collector 31 for preparing liquid additives, pump 32, lock feeder 33, dryer drum 34, lock feeder 35, fan 36, refrigerator 37 fluidized bed, elevator 38, hopper 39 of finished products, airlock feeder 40, belt conveyor 41, furnace 42, fuel nozzle 43, fan 44.
  • the basic technological scheme of the manufacturing process of granular organic fertilizers is as follows.
  • the crushed raw materials — peat, urea, magnesium sulfate, ammophos, and potassium sulfate — are fed to consumables 11, 12, 13, 14, 15, and of these, by automatic dispensers 16, 17, 18, 19, 20 are fed to a screw conveyor 21 for feeding into twin-shaft mixer 28 with a heated jacket, to which measured quantities of a solution of trace elements (boron, zinc, copper, molybdenum, manganese, etc.) are also supplied, if necessary, from collection 31 for the preparation of liquid additives. Obtained in a twin-shaft mixer 28, the wet mixture continuously enters the granulator - screw extruder 29.
  • SUBSTITUTE SHEET (RULE 26)
  • the use of a screw extruder 29 allows you to quickly change the size of the granules from 2 mm to 10 mm, depending on agrochemical requirements and guarantees the stability of the size of the granules of fertilizer, which ensures uniform distribution of organic fertilizers in the soil throughout the sown area of the field.
  • the length of the production line when using a screw extruder 29 is significantly reduced, since the length of the screw. extruder 29 is only 3 meters, unlike a drum granulator - 12-20 meters.
  • the processed material When mixing the granules due to the rotation of the drying drum 34 and supplying a gaseous coolant to the drying drum 34, the processed material is effectively contacted with gases, and it allows more uniform drying of the granules at a lower temperature (150 ° -450 ° C) than in traditional methods with pipe dryer, which leads to an increase in product quality, to reduce energy intensity and stability of the process.
  • the height of the technological building
  • SUBSTITUTE SHEET (RULE 26) the complex is reduced from 18 meters (with a pipe dryer) to 7 meters when using a drying drum 34.
  • the granules from the drying drum 34 enter the fluidized bed refrigerator 37 for cooling and, then, are fed through the elevator 38 to the finished product bin 39, after which the finished granular organic fertilizer is packaged.
  • the technical result achieved by the claimed method is to obtain granules of organic-mineral fertilizer with high uniformity of composition, with high dimensional stability, lowering the drying temperature of the granules from 150 ° to 45O 0 C and, accordingly, with an increase in the quality of the organic components of the finished product, stability the process in the manufacture of more than three tons of fertilizer per hour with minimal mechanical destruction of the granules and reduced energy intensity.
  • the resulting organomineral fertilizer has all the macro and microelements necessary for plants, as well as free humic acids, in the complete absence of free nitrates and chlorine, increases the content of humates in the soil, actually restoring its fertility and has a prolonging effect.
  • the granular fertilizer obtained by the claimed method also manifests itself as an ameliorant due to the ability of peat to absorb water.
  • Granules accumulate moisture in a mass exceeding their weight by 6-8 times, and during the dry period they gradually give it to plants, bind soil lumps, reducing erosion and leaching of nutrients by groundwater.
  • SUBSTITUTE SHEET (RULE 26) The granules obtained in this way provide the root system of plants with a strictly metered amount of micronutrient and macrocell nutrients, as needed, throughout the growing season.
  • Shredded raw materials top-1255 kg. humidity 60%, urea 91 kg., ammophos 173 kg, potassium sulfate 117 kg. (we do not use magnesium sulfate in this fertilizer) is automatically dispensed from consumable bins 11, 12,14,15 with batchers 16,17,19,20 to screw converter 21 for feeding into a twin-shaft mixer 28.
  • a trace element solution (boron, zinc is also dosed there , copper, molybdenum, manganese, etc.) from tank 31.
  • the mixture obtained in the mixer 28 with a moisture content of 30-40% enters the extruder (granulator) 29.
  • the use of the extruder allows you to quickly change the size of the granules from 2 to 10 mm., Depending on the agrochemical requirements for the seed and gives a stable grain size.
  • wet granules are dried through a conveyor 30 into a drying drum 34, where at a temperature of 250-450 0 C of a hot stream of air-gas mixture at the inlet of the drum during rotation, the granules are uniformly dried.
  • SUBSTITUTE SHEET (RULE 26) drum does not exceed 8O 0 C 1 which does not allow decomposition of mineral additives.
  • the granules After drying the granules to 10-12% moisture from the drying drum 34, the granules enter the fluidized bed refrigerator 37, where they are cooled from 8O 0 C to 40-3O 0 C using an external air flow, and then fed through the elevator 38 to the finished product hopper 39 for packaging or bulk shipment.

Abstract

L'invention concerne le domaine agricole et plus particulièrement des procédés de fabrication d'un engrais organo-minéral granulé. Elle porte sur un procédé de fabrication d'un engrais organo-minéral granulé qui comprend le dosage, le concassage, la granulation et le séchage de composants, et qui se distingue en ce que l'on mélange une matière première organique, qui constitue 40 % ou plus de la masse d'engrais fini, des additifs minéraux, qui constituent 15 % ou plus de la masse d'engrais fini, on effectue une granulation de la masse organo-minérale au moyen d'une extrudeuse à vis et l'on sèche les granules dans un tambour de séchage à une température des gaz alimentés comprise entre 150° et 450°C. On utilise en tant que matière première organique la tourbe ou le sapropèle.
PCT/RU2006/000029 2006-01-30 2006-01-30 Procédé de fabrication d'un engrais organo-minéral granulé WO2007086773A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/RU2006/000029 WO2007086773A1 (fr) 2006-01-30 2006-01-30 Procédé de fabrication d'un engrais organo-minéral granulé

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/RU2006/000029 WO2007086773A1 (fr) 2006-01-30 2006-01-30 Procédé de fabrication d'un engrais organo-minéral granulé

Publications (1)

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WO2007086773A1 true WO2007086773A1 (fr) 2007-08-02

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Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2465958C1 (ru) * 2011-09-05 2012-11-10 Российская Федерация, От Имени Которой Выступает Министерство Промышленности И Торговли Российской Федерации Способ гранулирования дисперсного углеродного материала
CN103411363A (zh) * 2013-08-23 2013-11-27 深圳市芭田生态工程股份有限公司 一种肥料冷却方法及冷却装置
WO2016142465A3 (fr) * 2015-03-10 2016-11-03 Uwe Werner Procédé pour préparer des substances concentrées, liquides ou pâteuses à partir de matières premières de diverses origines, à plusieurs constituants, contenant une substance humique
US10640430B2 (en) 2014-01-31 2020-05-05 Saudi Basic Industries Corporation Fertilizer capsule comprising one or more cores and method of making same
US10689306B2 (en) 2015-07-20 2020-06-23 Sabic Global Technologies B.V. Fertilizer composition and methods of making and using same
US10865159B2 (en) 2015-11-16 2020-12-15 Sabic Global Technologies B.V. Methods of manufacture for coated granular fertilizers
US11021409B2 (en) 2017-08-09 2021-06-01 Sabic Global Technologies B.V. Extruded fertilizer granules with urease and/or nitrification inhibitors
US11104618B2 (en) 2015-07-20 2021-08-31 Sabic Global Technologies B.V. Fertilizer composition and methods of making and using same
US11124463B2 (en) 2015-11-16 2021-09-21 Sabic Global Technologies B.V. Coated granular fertilizers, methods of manufacture thereof, and uses thereof
US11306037B2 (en) 2017-04-19 2022-04-19 Sabic Global Technologies B.V. Enhanced efficiency fertilizer with urease inhibitor and nitrification separated within the same particle
US11345645B2 (en) 2017-04-20 2022-05-31 Sabic Global Technologies B.V. Enhanced efficiency fertilizer with embedded powder composition
US11358908B2 (en) 2017-04-19 2022-06-14 Sabic Global Technologies B.V. Enhanced efficiency fertilizer with urease inhibitor and nitrification inhibitor in separate particles
US11401218B2 (en) 2014-05-05 2022-08-02 Sabic Global Technologies B.V. Coated granular fertilizers, methods of manufacture thereof, and uses
US11806689B2 (en) 2016-02-08 2023-11-07 Sabic Global Technologies B.V. Method of making a fertilizer seed core

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU1129195A1 (ru) * 1981-12-16 1984-12-15 Калининский Ордена Трудового Красного Знамени Политехнический Институт Способ получени органо-минерального удобрени
SU1497184A1 (ru) * 1986-08-14 1989-07-30 Всесоюзный научно-исследовательский институт земледелия и защиты почв от эрозии Способ гранулировани удобрений на основе навоза
FR2646846A1 (fr) * 1989-05-04 1990-11-16 Fedjushkin Boris Engrais organomineral granule et procede pour sa fabrication
RU2015952C1 (ru) * 1992-03-26 1994-07-15 Производственно-коммерческая фирма "Руссоком" Гранулированное органо-минеральное удобрение
RU2139270C1 (ru) * 1999-01-13 1999-10-10 Открытое акционерное общество "Буйский химический завод" Способ получения органо-минерального удобрения
RU2140408C1 (ru) * 1998-11-18 1999-10-27 Зайцев Петр Михайлович Способ получения органо-минерального удобрения
RU2245309C2 (ru) * 2001-11-09 2005-01-27 Заньков Борис Иванович Способ получения удобрения из сапропеля

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU1129195A1 (ru) * 1981-12-16 1984-12-15 Калининский Ордена Трудового Красного Знамени Политехнический Институт Способ получени органо-минерального удобрени
SU1497184A1 (ru) * 1986-08-14 1989-07-30 Всесоюзный научно-исследовательский институт земледелия и защиты почв от эрозии Способ гранулировани удобрений на основе навоза
FR2646846A1 (fr) * 1989-05-04 1990-11-16 Fedjushkin Boris Engrais organomineral granule et procede pour sa fabrication
RU2015952C1 (ru) * 1992-03-26 1994-07-15 Производственно-коммерческая фирма "Руссоком" Гранулированное органо-минеральное удобрение
RU2140408C1 (ru) * 1998-11-18 1999-10-27 Зайцев Петр Михайлович Способ получения органо-минерального удобрения
RU2139270C1 (ru) * 1999-01-13 1999-10-10 Открытое акционерное общество "Буйский химический завод" Способ получения органо-минерального удобрения
RU2245309C2 (ru) * 2001-11-09 2005-01-27 Заньков Борис Иванович Способ получения удобрения из сапропеля

Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2465958C1 (ru) * 2011-09-05 2012-11-10 Российская Федерация, От Имени Которой Выступает Министерство Промышленности И Торговли Российской Федерации Способ гранулирования дисперсного углеродного материала
CN103411363A (zh) * 2013-08-23 2013-11-27 深圳市芭田生态工程股份有限公司 一种肥料冷却方法及冷却装置
CN103411363B (zh) * 2013-08-23 2015-11-18 深圳市芭田生态工程股份有限公司 一种肥料冷却方法及冷却装置
US10640430B2 (en) 2014-01-31 2020-05-05 Saudi Basic Industries Corporation Fertilizer capsule comprising one or more cores and method of making same
US11401218B2 (en) 2014-05-05 2022-08-02 Sabic Global Technologies B.V. Coated granular fertilizers, methods of manufacture thereof, and uses
WO2016142465A3 (fr) * 2015-03-10 2016-11-03 Uwe Werner Procédé pour préparer des substances concentrées, liquides ou pâteuses à partir de matières premières de diverses origines, à plusieurs constituants, contenant une substance humique
US11104618B2 (en) 2015-07-20 2021-08-31 Sabic Global Technologies B.V. Fertilizer composition and methods of making and using same
US10689306B2 (en) 2015-07-20 2020-06-23 Sabic Global Technologies B.V. Fertilizer composition and methods of making and using same
US10865159B2 (en) 2015-11-16 2020-12-15 Sabic Global Technologies B.V. Methods of manufacture for coated granular fertilizers
US11124463B2 (en) 2015-11-16 2021-09-21 Sabic Global Technologies B.V. Coated granular fertilizers, methods of manufacture thereof, and uses thereof
US11806689B2 (en) 2016-02-08 2023-11-07 Sabic Global Technologies B.V. Method of making a fertilizer seed core
US11306037B2 (en) 2017-04-19 2022-04-19 Sabic Global Technologies B.V. Enhanced efficiency fertilizer with urease inhibitor and nitrification separated within the same particle
US11358908B2 (en) 2017-04-19 2022-06-14 Sabic Global Technologies B.V. Enhanced efficiency fertilizer with urease inhibitor and nitrification inhibitor in separate particles
US11802097B2 (en) 2017-04-19 2023-10-31 Sabic Global Technologies B.V. Enhanced efficiency fertilizer with urease inhibitor and nitrification separated within the same particle
US11345645B2 (en) 2017-04-20 2022-05-31 Sabic Global Technologies B.V. Enhanced efficiency fertilizer with embedded powder composition
US11021409B2 (en) 2017-08-09 2021-06-01 Sabic Global Technologies B.V. Extruded fertilizer granules with urease and/or nitrification inhibitors

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