CN1654444A - Long acting compound fertilizer and its producing technology - Google Patents
Long acting compound fertilizer and its producing technology Download PDFInfo
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- CN1654444A CN1654444A CN 200510045685 CN200510045685A CN1654444A CN 1654444 A CN1654444 A CN 1654444A CN 200510045685 CN200510045685 CN 200510045685 CN 200510045685 A CN200510045685 A CN 200510045685A CN 1654444 A CN1654444 A CN 1654444A
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Abstract
The present invention relates to fertilizer producing technology, and is especially one kind of long-acting composite fertilizer. The long-acting composite fertilizer has inhibitor and stabilizer added in the amount of 0.1-10 wt% of fertilizer. The inhibitor includes dihydroxybenzene and dicyan diamine; and the stabilizer includes zeolite powder, humic acid and manganese mud. The long-acting composite fertilizer is prepared through a pelletizing process including mixing composite fertilizer, inhibitor and stabilizer, pelletizing, stoving and packing. The long-acting composite fertilizer has prolonged acting period and raised fertilizer utilization, can meet the require of crop in different growth stages, and makes it possible for various advanced agricultural technology to exert.
Description
Technical field
The present invention relates to a kind of technical field of compound manure, relate in particular to a kind of durable composite fertilizer and production technique thereof.It belongs to physics and biological chemistry composite slow-release controlled availability fertilizer.
Background technology
Compound manure is the developing direction of fertilizer, because of its contained nutrient is welcome by farmers' deeply comprehensively.The compound manure of producing at present and using mostly is nitrogenous fertilizer, phosphate fertilizer, potash fertilizer and trace element fertilizer composition.
Existing controlled availability fertilizer or long-acting nitrogen fertilizer have three types:
The one, physical: to change the physical behavior of fertilizer, make it reach the slow release long-acting purpose, as: granular urea, bicarbonate of ammonia; Bag is by urea, coating urea etc.
The 2nd, chemotype: adopt chemical processes such as polymerization, condensation, make fertilizer slow release, long-acting, as: urea formadehyde, rare fork two urine of fourth, oxamide etc.
The 3rd, biochemical: the particularly conversion of nitrogenous fertilizer of fertilizer in the soil, mostly be under the effect of biology and product enzyme thereof, to carry out, can adopt inhibitor to suppress the activity of biology and enzyme in the soil, make fertilizer reach slowly-releasing and long-acting, and utilization ratio improves, as: the patent No. is 85109580.1, and patent name is the patented technology of long-acting carbamide; Also just like: the patent No. is 90105012.1, and patent name is the patented technology of long-acting ammonium bicarbonate.
Wherein nitrogenous fertilizer mostly is urea, bicarbonate of ammonia, ammonium phosphate, ammonium sulfate, ammonium chloride etc., because the fertilizer effectiveness phase is short, be generally 30-50 days, its utilization ratio is low, only reach 30-35%, so when making base manure, in crop growth mid-term with composite fertilizer, for satisfying the demand of crop, also need to impose nitrogenous fertilizer to nitrogen.And topdressing operation is time-consuming, effort, and is extremely inharmonious with the paces of modern agriculture fast development; And nitrogen utilization efficiency is low, has caused great waste also for the limited resources of China.
Summary of the invention
The present invention provides a kind of fertilizer efficiency period and high a kind of durable composite fertilizer and the production technique thereof of utilization ratio for the technical problem that overcomes above-mentioned existence.
In order to achieve the above object, the present invention is achieved in that a kind of durable composite fertilizer, and it is to add inhibitor and stablizer composition by proportioning in composite fertilizer; Wherein the content of inhibitor and stablizer accounts for the 0.1-10% of gross weight.
Described inhibitor comprises: Resorcinol, Dicyanodiamide; Described stablizer comprises: zeolite powder, humic acid and manganese mud.
The content of described Dicyanodiamide accounts for 0.1% of gross weight.
Described Resorcinol accounts for 0.1% of gross weight; Dicyanodiamide accounts for 0.2% of gross weight.
Described Resorcinol accounts for 0.1% of gross weight; Zeolite powder accounts for 5% of gross weight.
Described Dicyanodiamide accounts for 0.2% of gross weight; Humic acid accounts for 8% of gross weight.
Described Dicyanodiamide accounts for 0.2% of gross weight; Manganese mud accounts for 3% of gross weight.
A kind of production craft step of durable composite fertilizer is as follows:
The granulating method production technique:
By above-mentioned formula rate inhibitor, stablizer are mixed with composite fertilizer, after stirring, adopt disk or drum granulating, oven dry, packing, promptly.
A kind of production craft step of durable composite fertilizer is as follows:
Material oar method production technique:
By above-mentioned formula rate inhibitor, stablizer are added respectively in composite fertilizer's slip, mix, after stirring, spray granulating, oven dry, packing, promptly.
A kind of production craft step of durable composite fertilizer is as follows:
Blending method production technique:
By above-mentioned formula rate inhibitor, stablizer are crushed to more than 60 orders, puddle in composite fertilizer, make it evenly be adsorbed on the compound fertilizer granules surface, oven dry, packing, promptly.
Characteristics of the present invention are:
The present invention has added inhibitor and stablizer in composite fertilizer, thereby makes the nitrogen fertilizer efficiency period in the composite fertilizer prolong 1-2 doubly, prolongs by original 30-50 days to cause 90-150 days; Its utilization ratio improves 20-30%, brings up to 40-45% by original 30-35%.In addition, because the adding of stablizer also is significantly improved to phosphate fertilizer utilization efficiency.Because of the degree of durable composite fertilizer slow release long-acting relevant with the ratio that adds inhibitor and stablizer, so the fertilizer efficiency period of durable composite fertilizer can be adjusted according to different requirement of agricultural.Make the regulation of fertilizer requirement of the fertile process of confession of durable composite fertilizer and crop basic identical, reach overfertilization not in crop early stage, do not overgrow mid-term, and the later stage is not taken off fertilizer, satisfies the crop whole growing better to nutrient demand.Under the equal rate of fertilizer application or the fee condition of applying fertilizer on an equal basis, can make farm crop on average increase production 10-15%, make agricultural reach high-quality, high yield, energy-conservation, saving of labor's comprehensive benefit.Particularly thoroughly solved overlay film, exempted from intertillage, rice field fish culture, irrigation on plastic membrance such as irrigate at the difficult problem that inconvenience is topdressed in the agricultural high-tech, make it bring into play better effect.
Advantageous effect of the present invention is:
The present invention has less investment concerning composite fertilizer manufacturing enterprise, instant effect, and production method is simple and easy to do, the advantage that its market outlook are wide.Be applicable to the composite fertilizer factory of various production technique and scale, need not increase any equipment, do not change original production technique yet, per ton needs to increase inhibitor, stablizer raw materials cost 30-40 unit, and the price of durable composite fertilizer per ton can improve 80-150 unit, its market value makes friend peasant be easy to accept, and its fertilizer efficiency is welcome by the vast farmers friend also deeply, so its market outlook are boundless.
Below in conjunction with the drawings and specific embodiments the present invention is described in further detail, but not limit by embodiment.
Embodiment
Durable composite fertilizer of the present invention is to belong to physics and biological chemistry composite slow-release controlled availability fertilizer.It is 0.1～10.0% the inhibitor and the stable system of adding its weight in compound manure.
Wherein inhibitor has: nitrification inhibitor Dicyanodiamide and urease inhibitor Resorcinol; Stablizer has: zeolite powder, humic acid, manganese mud etc.Wherein Dyhard RU 100 has the dual function of inhibitor and stablizer simultaneously.
It is amide nitrogen fertilizer or ammonium fertilizer, ammonium phosphate or ammonium chloride, ammonium sulfate etc. that nitrogenous fertilizer in the composite fertilizer is generally urea.Wherein urea can not directly be absorbed by crop, must be converted into ammonia under the soil urease effect, and crop could absorb.Urease activity is stronger in the general soil, can make urea be converted into ammonia very soon, and crop has little time to absorb and a large amount of volatilization, leaching loss, and this is the reason place that the urea efficiency phase is short, utilization ratio is low.And urease inhibitor can suppress urease activity, and the urea conversion rate is slowed down, and fertilizer efficiency period prolongs, and utilization ratio improves:
In addition, urea in the composite fertilizer transforms the ammonia that generates through urase, and the ammonium in other ammonium fertilizers, except that absorbed by crop and partial loss, its remainder, under the effect of nitrosification in soil, nitrification and denitrification bacterium, further be converted into nitric nitrogen, lose in a large number once more absorbing for crop except that a small amount of.This is the nitrogenous fertilizer in the composite fertilizer, comprises urea, and fertilizer efficiency period is short, the main process that utilization ratio is low.And use the nitrification inhibitor nitrated process that can slow down among the present invention, and further prolong the fertilizer efficiency period of nitrogenous fertilizer, increase operation rate.
Described stablizer zeolite powder, humic acid, manganese mud etc. are the porous crack, and surface-area is big, and strong adsorbability material is arranged, but active adsorption ammonium ion and ammonia reduce its volatilization and leaching loss.Wherein humic acid can also reduce the fixed action of soil to the phosphorus element except that nitrogen is played the stabilization, effectively improves the utilization ratio of phosphorus element; And the manganese Fender have outside the stabilization, also contain a large amount of trace elements such as manganese, can increase the available nutrient of composite fertilizer, more favourable to crop.
Embodiment 1
A kind of durable composite fertilizer, it is to add inhibitor and stablizer composition by proportioning in composite fertilizer; Wherein the content of Dicyanodiamide accounts for 0.1% of gross weight.
Its production craft step is as follows:
Use the granulating method production technique: the composite fertilizer of 99kg is mixed with the Dicyanodiamide of 1kg, stir A;
A is mixed with the composite fertilizer of 900kg, stir, again through the disk granulation, oven dry, packing promptly obtains the durable composite fertilizer that contains Dicyanodiamide 0.1% per ton.
Embodiment 2:
A kind of durable composite fertilizer, it is to add inhibitor and stablizer composition by proportioning in composite fertilizer; Wherein Resorcinol accounts for 0.1% of gross weight; Dicyanodiamide accounts for 0.2% of gross weight.
Its production craft step is as follows:
Use the granulating method production technique: the composite fertilizer of 97kg is mixed with the Resorcinol of 1kg, the Dicyanodiamide of 2kg, stir A;
The compound A that above-mentioned 100kg is contained 3% inhibitor mixes with the composite fertilizer of 900kg, stirs, and again through drum granulating, oven dry, packing promptly obtains the durable composite fertilizer that contains Resorcinol and Dicyanodiamide 0.3% per ton.
Embodiment 3: a kind of durable composite fertilizer, and it is to add inhibitor and stablizer composition by proportioning in composite fertilizer;
In composite fertilizer, add the Resorcinol of its weight 0.1% and account for 5% zeolite powder of its weight.
Its production craft step is as follows:
Use the slurry process production technique: inhibitor Resorcinol and stablizer are added respectively in composite fertilizer's slip by above-mentioned formula rate, it is mixed, then through spray granulating, oven dry, packing promptly obtains the durable composite fertilizer that contains Resorcinol and zeolite powder 5.1% per ton.
Embodiment 4:
A kind of durable composite fertilizer, it is to add inhibitor and stablizer composition by proportioning in composite fertilizer; Wherein Dicyanodiamide accounts for 0.2% of gross weight; Humic acid accounts for 8% of gross weight.
Its production craft step is as follows:
Use the granulating method production technique: by above-mentioned weight ratio composite fertilizer is mixed with Dicyanodiamide and humic acid, stirred, again through drum granulating, oven dry, packing promptly obtains the durable composite fertilizer that contains Dicyanodiamide and humic acid 8.2% per ton.
Embodiment 5:
A kind of durable composite fertilizer, it is to add inhibitor and stablizer composition by proportioning in composite fertilizer; Wherein Dicyanodiamide accounts for 0.2% of gross weight; Manganese mud accounts for 3% of gross weight.
Its production craft step is as follows:
Use the granulating method production technique: by above-mentioned weight ratio composite fertilizer is mixed with Dicyanodiamide and manganese mud, stirred, again through drum granulating, oven dry, packing promptly obtains the durable composite fertilizer that contains Dicyanodiamide and manganese mud 3.2% per ton.
The using method of durable composite fertilizer of the present invention is as follows:
For fear of using urease inhibitor to slow down the urea conversion and causing the crops seedling stage nitrogen under-supply, should when make base manure, administering long-lasting composite fertilizer suitably use ammonium attitude instant nitrogenousfertilizer and make seed manure.Particularly nitrogenous fertilizer is main base fertilizer with urea in durable composite fertilizer, is under the situation of inhibitor with the urease inhibitor, more will use this method.
At inhibitor is quinhydrones, and the nitrogenous fertilizer of base fertilizer is the made durable composite fertilizer of urea, when agricultural is used, can execute the 50kg durable composite fertilizer for every mu and make base manure, executes 5kg ammonium sulfate simultaneously and makes seed manure.
When the present invention can also be used in durable composite fertilizer and makes base manure, suitably use ammonium fertilizer and make seed manure.
Claims (10)
1, a kind of durable composite fertilizer is characterized in that it is to add inhibitor and stablizer composition by proportioning in composite fertilizer; Wherein the content of inhibitor and stablizer accounts for the 0.1-10% of gross weight.
2, a kind of durable composite fertilizer according to claim 1 is characterized in that described inhibitor comprises: Resorcinol, Dicyanodiamide; Described stablizer comprises: zeolite powder, humic acid and manganese mud.
3, a kind of durable composite fertilizer according to claim 1 and 2 is characterized in that the content of described Dicyanodiamide accounts for 0.1% of gross weight.
4, a kind of durable composite fertilizer according to claim 1 and 2 is characterized in that described Resorcinol accounts for 0.1% of gross weight; Dicyanodiamide accounts for 0.2% of gross weight.
5, a kind of durable composite fertilizer according to claim 1 and 2 is characterized in that described Resorcinol accounts for 0.1% of gross weight; Zeolite powder accounts for 5% of gross weight.
6, a kind of durable composite fertilizer according to claim 1 and 2 is characterized in that described Dicyanodiamide accounts for 0.2% of gross weight; Humic acid accounts for 8% of gross weight.
7, a kind of durable composite fertilizer according to claim 1 and 2 is characterized in that described Dicyanodiamide accounts for 0.2% of gross weight; Manganese mud accounts for 3% of gross weight.
8, a kind of production technique of durable composite fertilizer is characterized in that its production craft step is as follows:
The granulating method production technique:
By above-mentioned formula rate inhibitor, stablizer are mixed with composite fertilizer, after stirring, adopt disk or drum granulating, oven dry, packing, promptly.
9, the production technique of a kind of durable composite fertilizer according to claim 8 is characterized in that its production craft step is as follows:
Material oar method production technique:
By above-mentioned formula rate inhibitor, stablizer are added respectively in composite fertilizer's slip, mix, after stirring, spray granulating, oven dry, packing, promptly.
10, the production technique of a kind of durable composite fertilizer according to claim 8 is characterized in that its production craft step is as follows:
Blending method production technique:
By above-mentioned formula rate inhibitor, stablizer are crushed to more than 60 orders, puddle in composite fertilizer, make it evenly be adsorbed on the compound fertilizer granules surface, oven dry, packing, promptly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510045685 CN1654444A (en) | 2005-01-18 | 2005-01-18 | Long acting compound fertilizer and its producing technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510045685 CN1654444A (en) | 2005-01-18 | 2005-01-18 | Long acting compound fertilizer and its producing technology |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1654444A true CN1654444A (en) | 2005-08-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200510045685 Pending CN1654444A (en) | 2005-01-18 | 2005-01-18 | Long acting compound fertilizer and its producing technology |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1654444A (en) |
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2005
- 2005-01-18 CN CN 200510045685 patent/CN1654444A/en active Pending
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