CN103772036A - Granular compound fertilizer with ammonium hydrogen carbonate serving as main nitrogen source and preparation method for granular compound fertilizer - Google Patents
Granular compound fertilizer with ammonium hydrogen carbonate serving as main nitrogen source and preparation method for granular compound fertilizer Download PDFInfo
- Publication number
- CN103772036A CN103772036A CN201410026159.0A CN201410026159A CN103772036A CN 103772036 A CN103772036 A CN 103772036A CN 201410026159 A CN201410026159 A CN 201410026159A CN 103772036 A CN103772036 A CN 103772036A
- Authority
- CN
- China
- Prior art keywords
- magnesium
- fertilizer
- granulated
- ammonia
- weight part
- Prior art date
- Legal status (The legal status 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 status listed.)
- Granted
Links
Landscapes
- Fertilizers (AREA)
Abstract
The invention relates to a granular compound fertilizer with ammonium hydrogen carbonate serving as a main nitrogen source. The granular compound fertilizer is characterized by consisting of the components in parts by weight: 50-60 parts of the ammonium hydrogen carbonate, 15-20 parts of monoammonium phosphate or diammonium phosphate, 10-15 parts of potassium chloride or potassium sulphate and 5-25 parts of an adhesive, wherein the adhesive consists of a magnesium compound, attapulgite powder, methyl silicate, talcum powder and silica gel at a weight ratio of 1:(0.8-1.2):(0.01-0.05):(0.02-0.1):(0.01-0.05). The invention also relates to a preparation method for the granular compound fertilizer with the ammonium hydrogen carbonate serving as the main nitrogen source. The product disclosed by the invention has the characteristics of good yield increasing effect, high nutrition utilization rate, environment friendliness and the like and also has the advantages of simple production technology, low cost, ready availability of raw materials, easiness in operation, favorability for industrialization popularization and the like.
Description
[technical field]
The invention belongs to fertilizer preparing technical field.More specifically, the present invention relates to a kind of compounded fertilizer of granulated take bicarbonate of ammonia as major nitrogen source, also relate to the preparation method of described Chemical Mixed Fertilizer.
[background technology]
For a long time, utilization rate of fertilizer environmental risk low and that brought by it is the focus that people pay close attention to always, and chemical fertilizer application is day by day serious to the negative impact of environment.Countries in the world all recognize that research and development utilization ratio high new slow release fertilizer is one of effective way improving plant recovery of nutrient gradually.Since the sixties in last century, become the study hotspot of world's fertilizer field to improve utilization rate of fertilizer as the various development of new fertilizers of target.Making a general survey of the development of domestic and international new-type fertilizer, is mainly the utilization ratio that the release that delays nutrient by technological methods such as organonitrogen chemosynthesis, coatings improves fertilizer.Wherein, coated with resin fertilizer is the main Types of the outer slow release fertilizer product of Present Domestic, but on field crop, applies compared with high being difficult to because of its price, is used for the non-agricultural market such as flowers, lawn; And coated slow release fertilizer product is high to application technique requirement, if use improper (as spreading fertilizer over the fields) or use under lack of water condition and will cause larger nutrient loss, the concern that coated fertilizer decomposes slowly in soil, easily residue problem is also subject to people gradually.Urea formaldehyde (UF) is the organic nitrogen compound of modal new and effective nitrogenous fertilizer, under water and microbiological deterioration slow liberating nitrogen, and price is high and require high also to limit its applying aborning to applying environment.
Bicarbonate of ammonia is traditional nitrogenous fertilizer of China, and the past is the main body of China's nitrogenous fertilizer always, is the distinctive fertilizer variety of China, because it can be decomposed into NH
3, CO
2and H
2tri-kinds of gases of O and disappearing, therefore claim again gas fertilizer, after decomposition, containing harmful intermediate product and final degradation production, long-term application does not affect soil property, is one of safest nitrogen fertilizers, at present, the output of China's bicarbonate of ammonia is still 17,000,000 tons/year of left and right.The advantages such as bicarbonate of ammonia can be used for the base manure of the crops such as paddy rice, corn, wheat and topdresses, and has fertilizer efficiency fast, and effect of increasing production is obvious, are used some vegetables (as leek) are upper, also can prevention and elimination of disease and pests, use in paddy field, and can kill or drive some Field Pests.But because bicarbonate of ammonia has labile feature, pungency ammonia taste is in use large, form is powdery, and people are difficult to use, and are also unwilling to use carbon ammonium.The present invention, take bicarbonate of ammonia as major nitrogen source, prepares compounded fertilizer of granulated, for the agricultural use of bicarbonate of ammonia has been opened up new approach, has also retained the advantage of bicarbonate of ammonia itself simultaneously.
CN1056677A " modified carbon ammonia granule compound mixing fertilizer " discloses a kind of Chemical Mixed Fertilizer that utilizes fused(calcium magnesium)phosphate to prepare as stablizer, CN1063478A discloses a kind of mixed and composite granular fertilizer of ammonium carbonate and manufacture method thereof, proposes to utilize phosphogypsum or rhombspar and sepiolite as Additive Production Chemical Mixed Fertilizer.The inventor is summing up on the basis of prior art, study by lot of experiments, bicarbonate of ammonia is prepared to compound fertilizer product as major nitrogen source, both the advantages such as the fertilizer efficiency of bicarbonate of ammonia own is fast, prevention and elimination of disease and pests had been retained, make again its pungency ammonia taste reduce, that form is optimized for is granular, be convenient to apply in agriculture production, prepares the particulate state Chemical Mixed Fertilizer take bicarbonate of ammonia as major nitrogen source, for the recycling of bicarbonate of ammonia has been opened up new approach.
[summary of the invention]
[technical problem that will solve]
The object of the invention is a kind of compounded fertilizer of granulated take bicarbonate of ammonia as major nitrogen source.
Another object of the present invention is to provide the preparation method of described compounded fertilizer of granulated.
[technical scheme]
The present invention is achieved through the following technical solutions.
The present invention relates to a kind of compounded fertilizer of granulated take bicarbonate of ammonia as major nitrogen source, it is composed of the following components: in weight part
Described binding agent is made up of according to its weight ratio 1:0.8～1.2:0.01～0.05:0.02～0.1:0.01～0.05 magnesium compound, attapulgite, methyl silicate, talcum powder and silica-gel powder.
According to a preferred embodiment of the invention a, described magnesium compound is one or more magnesium compounds that are selected from magnesium salts, magnesium oxide or magnesium hydroxide; Described magnesium salts is one or more magnesium salts that are selected from magnesium sulfate, magnesium chloride, magnesium nitrate, trimagnesium phosphate, magnesiumcarbonate, Magnesium hydrogen carbonate or Magnesium Silicate q-agent.
According to another preferred embodiment of the invention, described methyl silicate is sodium methyl silicate, potassium methyl silicate, calcium methyl siliconate or methyl siliconic acid magnesium.
The granularity of according to another preferred embodiment of the invention, described attapulgite, talcum powder and silica-gel powder is 20～100 orders.
According to another preferred embodiment of the invention, the granularity of described compounded fertilizer of granulated is 2～5mm.
Preferably, described compounded fertilizer of granulated is composed of the following components: in weight part
More preferably, described compounded fertilizer of granulated is composed of the following components: in weight part
The preparation method who the invention still further relates to the described compounded fertilizer of granulated take bicarbonate of ammonia as major nitrogen source, the step of the method is as follows:
The preparation of A, binding agent
Use stirrer that granularity 20～100 order magnesium compounds, attapulgite, methyl silicate, talcum powder and silica-gel powder are mixed according to its weight ratio 1:0.8～1.2:0.01～0.05:0.02～0.1:0.01～0.05, obtain described binding agent;
Described magnesium compound is one or more magnesium compounds that are selected from magnesium salts, magnesium oxide or magnesium hydroxide; Described magnesium salts is one or more magnesium salts that are selected from magnesium sulfate, magnesium chloride, magnesium nitrate, trimagnesium phosphate, magnesiumcarbonate, Magnesium hydrogen carbonate or Magnesium Silicate q-agent;
Described methyl silicate is sodium methyl silicate, potassium methyl silicate, calcium methyl siliconate or methyl siliconic acid magnesium;
The preparation of B, compounded fertilizer of granulated
The binding agent raw material that 50～60 weight part bicarbonate of ammonia, 15～20 weight part powdery monoammonium phosphates or diammonium phosphate, 10～15 weight part Repone K or potassium sulfate, 5～25 weight parts are prepared in steps A drops in pan mixer; fully be uniformly mixed; again the uniform mixture obtaining is added in pair roller Squeezinggranulator; after extruding and cylinder screening, obtain the described compounded fertilizer of granulated take bicarbonate of ammonia as major nitrogen source.
According to a preferred embodiment of the invention a, described raw material is the binding agent described in 52～58 weight part bicarbonate of ammonia, 16～18 weight part powdery monoammonium phosphates or diammonium phosphate, 12～14 weight part Repone K or potassium sulfate, 10～20 weight parts.
According to another preferred embodiment of the invention, described raw material is the binding agent described in 54～56 weight part bicarbonate of ammonia, 16～18 weight part powdery monoammonium phosphates or diammonium phosphate, 12～14 weight part Repone K or potassium sulfate, 12～18 weight parts.
The present invention will be described below in more detail.
The present invention relates to a kind of compounded fertilizer of granulated take bicarbonate of ammonia as major nitrogen source, it is composed of the following components: in weight part
Described binding agent is made up of according to its weight ratio 1:0.8～1.2:0.01～0.05:0.02～0.1:0.01～0.05 magnesium compound, attapulgite, methyl silicate, talcum powder and silica-gel powder.
Wherein, described magnesium compound is one or more magnesium compounds that are selected from magnesium salts, magnesium oxide or magnesium hydroxide; Described magnesium salts is one or more magnesium salts that are selected from magnesium sulfate, magnesium chloride, magnesium nitrate, trimagnesium phosphate, magnesiumcarbonate, Magnesium hydrogen carbonate or Magnesium Silicate q-agent.
Described methyl silicate is sodium methyl silicate, potassium methyl silicate, calcium methyl siliconate or methyl siliconic acid magnesium.
The granularity of described attapulgite, talcum powder and silica-gel powder is 20～100 orders.
The granularity of described compounded fertilizer of granulated is 2～5mm.
Preferably, described compounded fertilizer of granulated is composed of the following components: in weight part
More preferably, described compounded fertilizer of granulated is composed of the following components: in weight part
The preparation method who the invention still further relates to the described compounded fertilizer of granulated take bicarbonate of ammonia as major nitrogen source, the step of the method is as follows:
The preparation of A, binding agent
Use stirrer that granularity 20～100 order magnesium compounds, attapulgite, methyl silicate, talcum powder and silica-gel powder are mixed according to its weight ratio 1:0.8～1.2:0.01～0.05:0.02～0.1:0.01～0.05, obtain described binding agent.
Described magnesium compound is one or more magnesium compounds that are selected from magnesium salts, magnesium oxide or magnesium hydroxide; Described magnesium salts is one or more magnesium salts that are selected from magnesium sulfate, magnesium chloride, magnesium nitrate, trimagnesium phosphate, magnesiumcarbonate, Magnesium hydrogen carbonate or Magnesium Silicate q-agent.Ammonium ion in phosphate radical, magnesium ion and bicarbonate of ammonia wherein can form ammonium phosphate magnesium salts, can increase on the one hand the hardness of fertilizer, can reduce on the other hand the release of ammonia.
Described attapulgite is the binding agent that a kind of adsorptivity is very strong, and the adsorbable ammonia discharging, can make various raw materials more combine closely on the other hand on the one hand.
Described methyl silicate is sodium methyl silicate, potassium methyl silicate, calcium methyl siliconate or methyl siliconic acid magnesium.Described methyl silicate can reduce the moisture absorption of fertilizer.
Described talcum powder can make the easier roll release of fertiliser granulates, improves granulating rate.
Described silica-gel powder is to make as Raw material processing take silica gel, and surface-area is large, and Main Function is the ammonia that absorption discharges, and reduces the irritating smell of fertilizer, reduces ammonia loss.
The inventor is through test of many times, and the amount that works out above-mentioned several raw materials is added according to its weight ratio 1:0.8～1.2:0.01～0.05:0.02～0.1:0.01～0.05.
The usage quantity of magnesium compound is 1, and other material quantity is in described scope time, if the ratio of attapulgite is higher than 1.2, can cause material viscosity excessively strong, be difficult for roll release, granulating rate reduces, can reduce materials from bonding lower than 0.8, cause fertiliser granulates easily broken dispersion.Therefore, the usage quantity of magnesium compound is 1, and other material quantity is in described scope time, and the amount of attapulgite is 0.8～1.2nd, reasonably.
Similarly, the usage quantity of magnesium compound is 1, and other material quantity is in described scope time, if the ratio of methyl silicate higher than 0.05, can impact the intensity of fertiliser granulates, lower than 0.01 humidity resistance that can reduce fertilizer; Therefore, the usage quantity of magnesium compound is 1, and other material quantity is in described scope time, and the amount of methyl silicate is 0.01～0.05th, reasonably.
The usage quantity of magnesium compound is 1, and other material quantity is in described scope time, if talcous usage quantity higher than 0.1, can cause fertiliser granulates easily broken dispersion, can roll release effect undesirable lower than 0.02; Therefore, the usage quantity of magnesium compound is 1, and other material quantity is in described scope time, and talcous amount is 0.02～0.1st, appropriate.
The usage quantity of magnesium compound is 1, and other material quantity is in described scope time, if the usage quantity of silica-gel powder higher than 0.05, can cause fertilizer granulating difficulty, and make the smell of fertiliser granulates with silica-gel powder, lower than 0.01 ammonia loss by volatilization that can be unfavorable for reducing fertilizer.Therefore, the usage quantity of magnesium compound is 1, and other material quantity is in described scope time, and the amount of silica-gel powder is that 0.01～0.0.05 is appropriate.
The preparation of B, compounded fertilizer of granulated
The binding agent raw material that 50～60 weight part bicarbonate of ammonia, 15～20 weight part powdery monoammonium phosphates or diammonium phosphate, 10～15 weight part Repone K or potassium sulfate, 5～25 weight parts are prepared in steps A drops in pan mixer; fully be uniformly mixed; again the uniform mixture obtaining is added in pair roller Squeezinggranulator; after extruding and cylinder screening, obtain the described compounded fertilizer of granulated take bicarbonate of ammonia as major nitrogen source.
Bicarbonate of ammonia, is called for short carbon ammonium, and nitrogenous (N) measures 17% left and right.As nitrogenous fertilizer, be applicable to various soil, can provide the required ammonium nitrogen of plant growth and carbonic acid gas, but nitrogen content is low, easy caking simultaneously; Can promote plant growth and photosynthesis, urge seedling to come into leaves, can topdress, also can make base fertilizer and directly use.The solubleness of bicarbonate of ammonia is all less than other solid ammonia fertilizers, but more soluble in water, itself is the neutral instant nitrogenousfertilizer of physiology, is a minimum kind of nitrogen content in solid nitrogenous fertilizer.
Monoammonium phosphate, i.e. primary ammonium phosphate, white crystalline powder, stable in the air.As fertilizer sources application of phosphoric acid ammonium during plant growth is optimum, and it is acid that ammonium phosphate is in soil.
Diammonium phosphate, also referred to as Secondary ammonium phosphate, ammonium hydrogen phosphate, is the composite fertilizer of two kinds of nutritive ingredients of Nitrogen-and Phosphorus-containing.It is a kind of readily avaiable fertilizer of high density, is applicable to various crops and soil, and being specially adapted to nitrophilous needs the crop of phosphorus, makes base manure or topdress all can.
Repone K, is a kind of quick-acting potash fertilizer of high solubility, is the main kind of potash fertilizer, accounts for 90～94% of Potassium Fertilizer, can be used as base manure or topdresses, but generally should not make seed manure, because near the easily germination of the seed of impact of chlorion.
Potassium sulfate, feature is that moisture absorption is little, prevented from caking when storage is soluble in water, is suitable for various crops, can make base manure, topdress and foliage top dressing.Physical behavior is good, uses conveniently, and be chemically neutral, physiological acidic fertilizer.Potassium sulfate is also a kind of without chlorine, high-quality and efficient potash fertilizer, is the main raw material of high-quality nitrogen, phosphorus, potassium Nitrogen, Phosphorus and Potassium.
In the methods of the invention, when bicarbonate of ammonia is 50～60 weight part, the usage quantity of binding agent raw material is 5～25 weight parts, preferably 10～20 weight parts, more preferably 12～18 weight parts.If the addition of binding agent raw material lower than 5 weight parts, can cause granulating effect bad, pellet hardness is not high, and ammonia volatilization amount is high, and pungency ammonia taste is large; If the addition of binding agent higher than 25 weight parts, can cause the nutrient content of product partially too low, affect result of use, increase production cost simultaneously.Therefore, the amount of binding agent raw material is that 5～25 weight parts are appropriate.
In the present invention, described pan mixer is the stirrer that those skilled in the art know, and for example Zhengzhou City is bestowed by heaven heavy industry Machinery Co., Ltd. with the stirrer of trade(brand)name pan mixer sale, the stirrer that Yi Cheng Machinery Manufacturing Co., Ltd. of Zhengzhou City sells with trade(brand)name PJ type post-type mixer, the stirrer that the sky, Zhengzhou Machinery Co., Ltd. sells with trade(brand)name PJ type pan mixer.
In the present invention; described pair roller Squeezinggranulator is the Squeezinggranulator that those skilled in the art know, the Squeezinggranulator that the Squeezinggranulator that for example Yi Cheng of Zhengzhou City Machinery Manufacturing Co., Ltd. sells with trade(brand)name DZJ type pair roller extruding type tablets press, the Squeezinggranulator that land that abounds in rivers and lakes, Wenling city chemical machinery company limited sells with trade(brand)name DZG type Squeezinggranulator, Rui Heng Machinery Manufacturing Co., Ltd. of Zhengzhou City sell with the two roller Squeezinggranulators of trade(brand)name FDZJ.
In the present invention, described trommel screen is the screening plant that those skilled in the art know, the trommel screen that for example Shenyang section Xiang power environment protection equipment company limited sells with trade(brand)name GT-series trommel screen, the trommel screen that Wuxi City duplex engineering conveyor tool company limited sells with trade(brand)name GTS series trommel screen, the trommel screen that Shijiazhuang City Yongxing Machinery Co., Ltd. sells with trade(brand)name GTS type trommel screen.
The compounded fertilizer of granulated take bicarbonate of ammonia as major nitrogen source obtaining according to preparation method of the present invention, its feature is that pungency ammonia taste is little, granular, easy to use, binding agent is made up of magnesium salts, magnesium oxide or oxyhydroxide, attapulgite, sodium methyl silicate or potassium, talcum powder and silica-gel powder, in these raw materials, contain essential nutritive element and the beneficial elements of plant-growth such as abundant phosphorus, magnesium, calcium, silicon, can strengthen the effects such as crop saline and alkaline, disease and insect resistance resistant to lodging, anti-.On nutrient discharges and utilizes, reduce the ammonia loss by volatilization of fertilizer, strengthen the slow release effect of fertilizer, improve utilization rate of fertilizer; In benefit, can improve (13.31 percentage points of utilization rate of fertilizer, test example 2), can reduce nutrient loss, avoid secondary pollution, reduce agriculture production cost, and it is wide to have raw material sources, transport, use the features such as convenient, therefore, a kind of compounded fertilizer of granulated application prospect take bicarbonate of ammonia as major nitrogen source of the present invention is boundless.
Compounded fertilizer of granulated product take bicarbonate of ammonia as major nitrogen source of the present invention is a kind of polyfunctional new and effective fertilizer, can be used for base manure, topdress, not residual in soil, free from environmental pollution, environmentally friendly, usage quantity need be determined according to factors such as soil regime, crop varieties, crop growth phase, crop alimentary situations.
[beneficial effect]
Compounded fertilizer of granulated product take bicarbonate of ammonia as major nitrogen source of the present invention is the concentrated fertilizer that a kind of pungency ammonia taste is little, granular, easy to use, contain abundant nutrition element and beneficial element, there is the fertilizer slow release effect of enhancing and higher utilization ratio, have a extensive future.
The preparation method of product of the present invention have production unit require low, adopt conventional equipment, raw material sources are wide, production technique is simple, production capacity is high, cost is low, and the feature such as environmental friendliness.
[embodiment]
Can understand better the present invention by following embodiment.
Embodiment 1: the preparation method of the compounded fertilizer of granulated take bicarbonate of ammonia as major nitrogen source of the present invention
Described preparation method's implementation step is as follows:
The preparation of A, binding agent
Granularity 20 order magnesium sulfate, attapulgite, sodium methyl silicate, talcum powder and silica-gel powder are mixed by 1:1.2:0.05:0.1:0.05 part by weight.
The preparation of B, compounded fertilizer of granulated
By 50 weight part bicarbonate of ammonia, 15 weight part powdery monoammonium phosphates, 10 weight part Repone K and 25 weight part binding agents drop into Zhengzhou City and are bestowed by heaven in the stirrer of heavy industry Machinery Co., Ltd. with the sale of trade(brand)name pan mixer, fully be uniformly mixed, again mixed raw material is put in the Squeezinggranulator of Yi Cheng Machinery Manufacturing Co., Ltd. of Zhengzhou City with the sale of trade(brand)name DZJ type pair roller extruding type tablets press, through extruding and Xiang power environment protection equipment company limited of Shenyang section after the trommel screen screening process with the sale of trade(brand)name GT-series trommel screen, produce the compounded fertilizer of granulated of formula for 10-7-6.
Embodiment 2: the preparation method of the compounded fertilizer of granulated of the present invention take bicarbonate of ammonia as major nitrogen source
The implementation step of this embodiment is as follows:
The preparation of A, binding agent
Granularity 40 object magnesium oxide, attapulgite, potassium methyl silicate, talcum powder and silica-gel powder are mixed by 1:0.8:0.01:0.02:0.01 part by weight.
The preparation of B, compounded fertilizer of granulated of the present invention
By 60 weight part bicarbonate of ammonia, 20 weight part powdered acid two ammoniums, 15 weight part potassium sulfate and 5 weight part binding agents drop in the stirrer of Yi Cheng Machinery Manufacturing Co., Ltd. of Zhengzhou City with the sale of trade(brand)name PJ type post-type mixer, fully be uniformly mixed, again mixed raw material is put in the Squeezinggranulator that land that abounds in rivers and lakes, Wenling city chemical machinery company limited is sold with trade(brand)name DZG type Squeezinggranulator, through extruding and Wuxi City duplex engineering conveyor tool company limited after the trommel screen screening process with the sale of trade(brand)name GTS series trommel screen, produce the compounded fertilizer of granulated product of formula for 14-9-8.
Embodiment 3: the compounded fertilizer of granulated production method of the present invention take bicarbonate of ammonia as major nitrogen source
The implementation step of this embodiment is as follows:
The preparation of A, binding agent
Magnesiumcarbonate, attapulgite, potassium methyl silicate, talcum powder and silica-gel powder by granularity more than 20 orders mix by 1:1:0.025:0.05:0.025 part by weight.
The preparation of B, compounded fertilizer of granulated of the present invention
By 58 weight part bicarbonate of ammonia, 18 weight part powdered acid two ammoniums, 14 weight part Repone K and 10 weight part binding agents drop in the stirrer of the sky, Zhengzhou Machinery Co., Ltd. with the sale of trade(brand)name PJ type pan mixer, fully be uniformly mixed, again mixed raw material is put in the Squeezinggranulator of Rui Heng Machinery Manufacturing Co., Ltd. of Zhengzhou City with the two roller Squeezinggranulators sale of trade(brand)name FDZJ, through extruding and Shijiazhuang City Yongxing Machinery Co., Ltd. after the trommel screen screening process with trade(brand)name GTS type trommel screen sale, produce the compounded fertilizer of granulated product of formula for 13-8-8.
Embodiment 4: the preparation method of the present invention take bicarbonate of ammonia as major nitrogen source compounded fertilizer of granulated
The implementation step of this embodiment is as follows:
The preparation of A, binding agent
Magnesium chloride, attapulgite, sodium methyl silicate, talcum powder and silica-gel powder by granularity more than 20 orders mix by 1:0.9:0.03:0.06:0.03 part by weight.
The preparation of B, compounded fertilizer of granulated of the present invention
By 52 weight part bicarbonate of ammonia, 16 weight part powdery monoammonium phosphates, 12 weight part potassium sulfate and 20 weight part binding agents drop in the stirrer of the sky, Zhengzhou Machinery Co., Ltd. with the sale of trade(brand)name PJ type pan mixer, fully be uniformly mixed, again mixed raw material is put in the Squeezinggranulator of land that abounds in rivers and lakes, Wenling city chemical machinery company limited with the sale of trade(brand)name DZG type Squeezinggranulator, through extruding and Wuxi City duplex engineering conveyor tool company limited after the trommel screen screening process with the sale of trade(brand)name GTS series trommel screen, produce the compounded fertilizer of granulated product of formula for 11-7-6.
Embodiment 5: the compounded fertilizer of granulated preparation method of the present invention take bicarbonate of ammonia as major nitrogen source
The implementation step of this embodiment is as follows:
The preparation of A, binding agent
Magnesium Silicate q-agent, attapulgite, sodium methyl silicate, talcum powder and silica-gel powder by granularity more than 20 orders mix by 1:1.1:0.04:0.08:0.04 part by weight.
The preparation of B, compounded fertilizer of granulated of the present invention
By 56 weight part bicarbonate of ammonia, 18 weight part powdery monoammonium phosphates, 14 weight part Repone K and 12 weight part binding agents drop in the stirrer of Yi Cheng Machinery Manufacturing Co., Ltd. of Zhengzhou City with the sale of trade(brand)name PJ type post-type mixer, fully be uniformly mixed, again mixed raw material is put in the Squeezinggranulator of land that abounds in rivers and lakes, Wenling city chemical machinery company limited with the sale of trade(brand)name DZG type Squeezinggranulator, through extruding and Shijiazhuang City Yongxing Machinery Co., Ltd. after the trommel screen screening process with trade(brand)name GTS type trommel screen sale, produce formula for 12-8-8 compounded fertilizer of granulated product.
Embodiment 6: the preparation method of the present invention take bicarbonate of ammonia as major nitrogen source compounded fertilizer of granulated
The implementation step of this embodiment is as follows:
The preparation of A, binding agent
Trimagnesium phosphate, attapulgite, potassium methyl silicate, talcum powder and silica-gel powder by granularity more than 20 orders mix by 1:1.2:0.02:0.08:0.02 part by weight.
The preparation of B, compounded fertilizer of granulated of the present invention
By 54 weight part bicarbonate of ammonia, 16 weight part powdered acid two ammoniums, 12 weight part potassium sulfate and 18 weight part binding agents drop in the stirrer of the sky, Zhengzhou Machinery Co., Ltd. with the sale of trade(brand)name PJ type pan mixer, fully be uniformly mixed, again mixed raw material is put in the Squeezinggranulator of Rui Heng Machinery Manufacturing Co., Ltd. of Zhengzhou City with the two roller Squeezinggranulators sale of trade(brand)name FDZJ, through extruding and Wuxi City duplex engineering conveyor tool company limited after the trommel screen screening process with the sale of trade(brand)name GTS series trommel screen, produce the compounded fertilizer of granulated product of formula for 12-7-6.
Test example 1: ammonia volatilization test
Test implementation step is as follows:
Adopt " static absorption process " (Ling Li, Li Shiqing, Li Shengxiu, " research of Ammonia Volatilization from Calcareous Soil " [J], " soil erosion and soil conservation journal ", 1999,5 (6): 119～122; Liu Zengbing, Zhao Bingqiang, woods public security, " humic acid urea ammonia volatilization characteristic and Study on influencing factors " [J], " plant nutrition and fertilizer journal ", 2010,16 (1): the ammonia volatilization amount of 208～213) measuring the compounded fertilizer of granulated product of the present invention take bicarbonate of ammonia as major nitrogen source.
Take the soil 500g(sieving by 1mm in dry ground), the compounded fertilizer of granulated of by 0.84gN/kg soil applying fertilizer amount being prepared by the present invention is added in its soil, clay fertilizer mixes, put into the plastic tank that specification is 15cm × 8.5cm × 17.5cm, regulating its water content is 40% of maxmun field capacity, seal with plastic seal membrana oralis, in bucket, put into the cuvette that 10mL2% boric acid is housed, using methyl red-tetrabromo-mcresolsulfonphthalein mixture indicator as indicator, if 2 processing, be respectively the compounded fertilizer of granulated (KCNC take bicarbonate of ammonia as major nitrogen source prepared by common bicarbonate of ammonia (CN) and the embodiment of the present invention 2, 14-9-8), repeat 3 times.Be placed in intelligent growth cabinet, cultured continuously under the condition of 25 ℃ of temperature, is taken out absorption cell in bucket when after cultivation the 1st, 3,5,7 day, uses 0.02mol/LH
2sO
4solution titration, then converse the pure nitrogen level of each volatilization.
The test-results of this test is listed in table 1.
Table 1: ammonia volatilization semi-invariant (mgN/pot)
The test-results of table 1 clearly illustrates that, after the cultivation of 7 days, compared with common bicarbonate of ammonia, the compounded fertilizer of granulated of the present invention take bicarbonate of ammonia as major nitrogen source can significantly reduce ammonia loss by volatilization, be respectively 94.1%, 86.3%, 81.2% and 72.5% at the ammonia volatilization inhibiting rate of cultivating 1,3,5,7 day, ammonia volatilization semi-invariant can reduce by 82.4%.
Test example 2: field test
Utilize field test to verify the effect of fertilizer of the present invention.Described proof test processing setting and result are as follows:
Testing program:
The field test of fertilizer efficiency checking of the present invention is carried out in Yucheng testing station of the Chinese Academy of Agricultural Sciences, and test arranges: (1) CK1: be the contrast of not applying fertilizer; (2) CK2: (common bicarbonate of ammonia consumption is 614kg/hm to base manure
2, diammonium phosphate consumption is 196kg/hm
2, potassium sulfate consumption is 160kg/hm
2), impose again common bicarbonate of ammonia (middle peasant Shun sky Eco-fertilizer industry company limited produces, N17.1%) 500kg/hm in the large mouthful of phase of corn
2; (3) KCNC: the compounded fertilizer of granulated product (14-9-8) take bicarbonate of ammonia as major nitrogen source of preparing with the embodiment of the present invention 2 is made base manure, and consumption is 1000kg/hm
2, npk nutrient consumption is identical with CK2, and same CK2 topdresses.Experimental plot area is 100m
2, each processing repeats 4 times, random alignment.Other field management is with local farmland.After the ripe results of corn, the real meter of beating produces.Fertilizer Apparent Availability calculates take CK1 as contrast.
The test-results of this test is listed in table 2.
Table 2: corn yield and fertilizer Apparent Availability
| Process | Output, kg/hm 2 | Nitrogen apparent recovery fraction, % | Phosphate fertilizer Apparent Availability, % | Potash fertilizer Apparent Availability, % |
| CK1 | 8617.1 | - | - | - |
| CK2 | 10027.6 | 22.47 | 15.13 | 30.09 |
| KCNC | 10985.2 | 30.39 | 17.20 | 33.41 |
The data processed result of table 2 shows: the compounded fertilizer of granulated product of the present invention take bicarbonate of ammonia as major nitrogen source is obvious to the effect of increasing production of corn, than common bicarbonate of ammonia processing (CK2) volume increase 9.55%, the Apparent Availability of nitrogen, phosphorus, potash fertilizer improves respectively 7.92,2.07 and 3.32 percentage points, and utilization rate of fertilizer improves 13.31 percentage points altogether.
Fertilizer product of the present invention can significantly reduce the ammonia loss by volatilization (in a week, ammonia volatilization semi-invariant reduces by 82.4%) of fertilizer, and significantly improve crop yield and fertilizer Apparent Availability (improving 13.31 percentage points), be a kind of environmental friendliness, economical fertilizer.
As can be seen here, compared with common ammonium bicarbonate complex mixed fertilizer, the compounded fertilizer of granulated take bicarbonate of ammonia as major nitrogen source of the present invention has the features such as good effect of increasing production, plant recovery of nutrient are high, environmental friendliness.Have that production technology is simple, cost is low, raw material sources are wide simultaneously, easy handling, be beneficial to the advantages such as Industry Promotion.
Claims (10)
1. the compounded fertilizer of granulated take bicarbonate of ammonia as major nitrogen source, is characterized in that it is composed of the following components: in weight part
Described binding agent is made up of according to its weight ratio 1:0.8～1.2:0.01～0.05:0.02～0.1:0.01～0.05 magnesium compound, attapulgite, methyl silicate, talcum powder and silica-gel powder.
2. compounded fertilizer of granulated according to claim 1, is characterized in that described magnesium compound is one or more magnesium compounds that are selected from magnesium salts, magnesium oxide or magnesium hydroxide; Described magnesium salts is one or more magnesium salts that are selected from magnesium sulfate, magnesium chloride, magnesium nitrate, trimagnesium phosphate, magnesiumcarbonate, Magnesium hydrogen carbonate or Magnesium Silicate q-agent.
3. compounded fertilizer of granulated according to claim 1, is characterized in that described methyl silicate is sodium methyl silicate, potassium methyl silicate, calcium methyl siliconate or methyl siliconic acid magnesium.
4. compounded fertilizer of granulated according to claim 1, is characterized in that the granularity of described attapulgite, talcum powder and silica-gel powder is 20～100 orders.
5. compounded fertilizer of granulated according to claim 1, the granularity that it is characterized in that described compounded fertilizer of granulated is 2～5mm.
6. compounded fertilizer of granulated according to claim 1, is characterized in that it is that it is composed of the following components: in weight part
7. compounded fertilizer of granulated according to claim 1, is characterized in that it is composed of the following components: in weight part
8. the preparation method of the compounded fertilizer of granulated take bicarbonate of ammonia as major nitrogen source according to claim 1, is characterized in that the step of this production method is as follows:
The preparation of A, binding agent
Use stirrer that granularity 20～100 order magnesium compounds, attapulgite, methyl silicate, talcum powder and silica-gel powder are mixed according to its weight ratio 1:0.8～1.2:0.01～0.05:0.02～0.1:0.01～0.05, obtain described binding agent;
Described magnesium compound is one or more magnesium compounds that are selected from magnesium salts, magnesium oxide or magnesium hydroxide; Described magnesium salts is one or more magnesium salts that are selected from magnesium sulfate, magnesium chloride, magnesium nitrate, trimagnesium phosphate, magnesiumcarbonate, Magnesium hydrogen carbonate or Magnesium Silicate q-agent;
Described methyl silicate is sodium methyl silicate, potassium methyl silicate, calcium methyl siliconate or methyl siliconic acid magnesium;
The preparation of B, compounded fertilizer of granulated
The binding agent raw material that 50～60 weight part bicarbonate of ammonia, 15～20 weight part powdery monoammonium phosphates or diammonium phosphate, 10～15 weight part Repone K or potassium sulfate, 5～25 weight parts are prepared in steps A drops in pan mixer; fully be uniformly mixed; again the uniform mixture obtaining is added in pair roller Squeezinggranulator; after extruding and cylinder screening, obtain the described compounded fertilizer of granulated take bicarbonate of ammonia as major nitrogen source.
9. preparation method according to claim 9, the raw material described in it is characterized in that is the binding agent described in 52～58 weight part bicarbonate of ammonia, 16～18 weight part powdery monoammonium phosphates or diammonium phosphate, 12～14 weight part Repone K or potassium sulfate, 10～20 weight parts.
10. compounded fertilizer of granulated according to claim 8, the raw material described in it is characterized in that is the binding agent described in 54～56 weight part bicarbonate of ammonia, 16～18 weight part powdery monoammonium phosphates or diammonium phosphate, 12～14 weight part Repone K or potassium sulfate, 12～18 weight parts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410026159.0A CN103772036B (en) | 2014-01-21 | 2014-01-21 | A kind of take bicarbonate of ammonia as compounded fertilizer of granulated of major nitrogen source and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410026159.0A CN103772036B (en) | 2014-01-21 | 2014-01-21 | A kind of take bicarbonate of ammonia as compounded fertilizer of granulated of major nitrogen source and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103772036A true CN103772036A (en) | 2014-05-07 |
| CN103772036B CN103772036B (en) | 2015-08-26 |
Family
ID=50564869
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410026159.0A Active CN103772036B (en) | 2014-01-21 | 2014-01-21 | A kind of take bicarbonate of ammonia as compounded fertilizer of granulated of major nitrogen source and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103772036B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1056677A (en) * | 1990-05-22 | 1991-12-04 | 简阳县多元素化肥厂 | Modified carbon ammonia granule compound mixing fertilizer |
| CN1746138A (en) * | 2004-09-08 | 2006-03-15 | 北海奥克兰生物工程有限公司 | Production of long-effective ammonium bicarbonate composite fertilizer of vegetable |
| CN101589710A (en) * | 2009-07-03 | 2009-12-02 | 深圳市朗钛生物科技有限公司 | A kind of agricultural water dispersible granule and its production and application |
| CN102320881A (en) * | 2011-06-03 | 2012-01-18 | 山东粮源生物有机肥有限公司 | Humic acid bioactive fertilizer produced by using activation technology and preparation and application thereof |
-
2014
- 2014-01-21 CN CN201410026159.0A patent/CN103772036B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1056677A (en) * | 1990-05-22 | 1991-12-04 | 简阳县多元素化肥厂 | Modified carbon ammonia granule compound mixing fertilizer |
| CN1746138A (en) * | 2004-09-08 | 2006-03-15 | 北海奥克兰生物工程有限公司 | Production of long-effective ammonium bicarbonate composite fertilizer of vegetable |
| CN101589710A (en) * | 2009-07-03 | 2009-12-02 | 深圳市朗钛生物科技有限公司 | A kind of agricultural water dispersible granule and its production and application |
| CN102320881A (en) * | 2011-06-03 | 2012-01-18 | 山东粮源生物有机肥有限公司 | Humic acid bioactive fertilizer produced by using activation technology and preparation and application thereof |
Non-Patent Citations (1)
| Title |
|---|
| 张锦源等: "磷钾碳铵复肥的研制和应用", 《化肥工业》, no. 4, 31 August 1991 (1991-08-31), pages 17 - 18 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103772036B (en) | 2015-08-26 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103756685B (en) | A kind of granular saline alkali soil conditioner and production method thereof | |
| CN101633587B (en) | Saline-alkali land improving and fertilizing agent and preparation method thereof | |
| CN103865002B (en) | A kind of humic acids super absorbent resin with water conservation and moisture-holding and micro-fertilizer slow-release function | |
| CN103058763B (en) | A preparation method for a long-acting slow-release chlorine-based nitrogen and potassium-containing compound fertilizer | |
| CN102120711B (en) | Dual enzymes and double-enzyme serial fertilizer as well as application thereof in agriculture | |
| CN103265370A (en) | Saline-alkali soil fertilizer | |
| CN103396268A (en) | Carbon base long-acting nitrogen fertilizer biochemistry inhibitor and preparation method thereof | |
| CN104591901A (en) | Application of imino disuccinate as fertilizer synergist | |
| CN103787782B (en) | A kind of multi-element fertilizer synergist and production method | |
| CN101293792B (en) | Fertilizer special for organic, inorganic mix wheat | |
| CN105367296A (en) | Water-soluble carbon enzyme granule fertilizer and preparation method thereof | |
| CN103159550A (en) | Environment-friendly slow-release sulfur-based nitrogen potassium compound fertilizer | |
| CN104973979A (en) | Special organic-inorganic compound fertilizer for corn and preparation method thereof | |
| CN103058752B (en) | Preparation method for special slow-release long-acting compound fertilizer for paddy rice | |
| CN105016858A (en) | Biochar slow-release nitrogen fertilizer and preparation method thereof | |
| CN103058755B (en) | Slow release compound fertilizer applicable to plantation of cotton | |
| CN105384550A (en) | Long-acting organic-inorganic compound fertilizer slowly releasing P and preparation method thereof | |
| CN109438121A (en) | A kind of multifunction soil conditioning-type protecting field speciality fertilizers on commercial crops and the preparation method and application thereof | |
| CN105753553A (en) | Compound fertilizer for cowpeas planted in saline-alkali land and manufacturing method of compound fertilizer | |
| CN104211491A (en) | Compound fertilizer preparation method for improving utilization rate of phosphorus element | |
| CN103772035B (en) | Granular nitrogen fertilizer taking ammonium bicarbonate as main nitrogen source and preparation method thereof | |
| CN104829396A (en) | Humic acid controlled release blended fertilizer dedicated for corn | |
| CN103159549A (en) | Preparation method of slow-release long-acting sulfur-based nitrogen potassium compound fertilizer | |
| CN103058759A (en) | Slow release compound fertilizer applicable to plantation of paddy rice | |
| CN103772036B (en) | A kind of take bicarbonate of ammonia as compounded fertilizer of granulated of major nitrogen source and preparation method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |