KR20160006855A - Processing method of complex fertilizer that has much more organic matter - Google Patents
Processing method of complex fertilizer that has much more organic matter Download PDFInfo
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- KR20160006855A KR20160006855A KR1020140086100A KR20140086100A KR20160006855A KR 20160006855 A KR20160006855 A KR 20160006855A KR 1020140086100 A KR1020140086100 A KR 1020140086100A KR 20140086100 A KR20140086100 A KR 20140086100A KR 20160006855 A KR20160006855 A KR 20160006855A
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05F—ORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C, e.g. FERTILISERS FROM WASTE OR REFUSE
- C05F11/00—Other organic fertilisers
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05F—ORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C, e.g. FERTILISERS FROM WASTE OR REFUSE
- C05F5/00—Fertilisers from distillery wastes, molasses, vinasses, sugar plant or similar wastes or residues, e.g. from waste originating from industrial processing of raw material of agricultural origin or derived products thereof
- C05F5/002—Solid waste from mechanical processing of material, e.g. seed coats, olive pits, almond shells, fruit residue, rice hulls
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- C05G3/0058—
Abstract
Description
The present invention relates to a method for producing a pellet of the present invention, which is obtained by adding a specific process to a castor oil which is a by-product of pressing the castor oil from the castor oil, and not only has a very high nitrogen content, Using a high amount of High Protein (hereinafter referred to as "HP"), which has a very high organic matter content, which has a great influence on the improvement of intellect (soil power), nitrogen, phosphoric acid, The present invention relates to a method for producing a third kind of compound fertilizer in the form of a pellet containing a potassium component and a level of organic matter similar to that of an environmentally friendly organic fertilizer and a third type compound fertilizer produced by the method.
In the fertilizer process standard, there are 12 types of compound fertilizer from the "Type I compound fertilizer" to "Formu element compound fertilizer", and the compound fertilizer to be dealt with in the invention of the present invention includes the compound It is a fertilizer belonging to the third kind of compound fertilizer in which the content of the sum of nitrogen, phosphoric acid and potassium as main components to be subjected is limited to 12 wt% or more and the minimum content of organic matter is limited to 10 wt% or more.
In the second kind of compound fertilizer, which requires that the total amount of at least two of the total amount of nitrogen, soluble phosphoric acid and soluble phosphoric acid, water-soluble potassium or exo-soluble potassium is 20% by weight or more, nitrogen, phosphoric acid, potassium Of the present invention is a fertilizer which requires the content of organic matter not contained in other compound fertilizers to be contained in an amount of 10 wt% or more while lowering the sum to 12 wt% or more.
That is, the third kind of compound fertilizer is a type of fertilizer set in the fertilizer processing standard in order to supply the organic fertilizer with the organic fertilizer together with the composition of the chemical fertilizer which can induce rapid early growth of the plant as a single fertilizer.
In other words, the third type of compound fertilizer is a type of fertilizer that is set up with the aim of improving the intelligence through the supply of organic matter while inducing the early growth of the plant with chemical fertilizer.
Until the early 1960s and early 1990s, when the Korean chemical fertilizer industry was in its early development and early 1990s, Korea's agriculture was dependent on chemical fertilizers supplied in abundance and aimed at high yields. The intellect was gradually weakened agriculture.
Such adverse side effects have been caused by the lowering of the intellectual power, such as the generation of collective problems such as tolerance to diseases and resistance to insecticide adaptability and resistance.
In order to solve these problems, since the late 2000s, the use of environmentally friendly fertilizers such as organic fertilizer or compost organic fertilizer (compost, etc.), which is prescribed as a byproduct fertilizer in the fertilizer process standard instead of the existing chemical fertilizer, It is a reality that the government has been working to improve the intelligence of farmland by paying a certain amount of government subsidy for organic fertilizer.
In terms of farmers, the improvement of the soil to improve the soil and the environment friendly organic fertilizer (compost organic fertilizer such as livestock compost, compost, and organic fertilizer combined with organic fertilizer such as livestock fertilizer) Although it acknowledges the fact that it helps to improve intellect, environmentally friendly organic fertilizer only complicates farming difficulties due to the inability to see the effect of fertilizer instantly when it is necessary to promote early growth of crops by farming methods .
According to the demand of such farmers, the fertilizer specified in the fertilizer process standard is higher than 12% by weight of the total amount of nitrogen, phosphoric acid and potassium which are the characteristics of the chemical fertilizer, and the content of organic matter which is characteristic of organic fertilizer is 10% Is a type III compound fertilizer.
Of course, in order to meet the demands of farmers, the third type of compound fertilizer, which only realizes the specification requirements of the third type of compound fertilizer specified in the fertilizer process standard, can not meet the actual demands of the farmers. Therefore, The content of nitrogen, phosphoric acid, and potassium in the range of about 20% by weight is close to that of chemical fertilizer, while the content of organic matter is increased to 30% by weight - 40% In fact, the organic matter content is 20 to 30% lower than that of environmentally friendly organic fertilizer, and the form of fertilizer is also in the form of powder or granule. In other words, farmers are satisfied with the chemical fertilizer component content of the commercially available type 3 compound fertilizer to some extent, but the organic fertilizer content is about 60% by weight, which is similar to that of environment friendly organic fertilizer, And a third kind of compound fertilizer having a pellet type is desired.
However, there is a technical relationship between the fertilizer raw materials used and the fertilizer raw materials used, and the fertilizer raw materials are used as fertilizer, Companies are having difficulty in developing the third type of compound fertilizer that farmers demand.
In other words, in order to increase the content of nitrogen, phosphoric acid and potassium, a large amount of chemical fertilizer components should be used. Since chemical fertilizer components do not have organic matters, excessive use of chemical fertilizer components can not increase the organic matter content to a high level. On the other hand, if the content of the organic matter in the fertilizer is increased in order to increase the content of the organic matter by about 60% by weight, the total amount of the nitrogen, phosphoric acid and potassium components is increased to about 19 to 20% There is a great difficulty in this.
In addition, it is a technical difficulty in that the formulation of the third type compound fertilizer desired by the farmers is in the form of a pellet such as an organic fertilizer instead of a granule type powder or granule type such as a chemical fertilizer from the viewpoint that the effect of the slow- Is a reality.
In order to reach a total amount of nitrogen, phosphoric acid and potassium of 19 to 20% by weight, a large amount of potassium chloride, ammonium sulfate, and phosphorus, which are components of chemical fertilizer, must be administered. , It is a reality that even if a substance having a high organic matter content is administered, it is technically difficult to produce the third type compound fertilizer into a pellet type according to the characteristics thereof.
Especially, it is known that there is no technological solution to the fact that the plant which selects the rotary type pellet machine which is mainly used for the production of the pellet type fertilizer with excellent productivity per hour.
Of course, if productivity is not taken into account, the Extruder type pelletizer, which is mainly used for producing wood pellets, has a very high compressive strength and is likely to produce a pellet-type compound fertilizer of the third type. However, Due to economical problems, there is no technical meaning and it is not used.
The content of nitrogen, phosphoric acid, and potassium is about 19 wt% to 20 wt%, the content of organic matter is about 60 wt%, and the content of organic matter is about 60 wt% And the pellet type of the third type compound fertilizer has not yet been developed due to the technical antagonistic relationship between the raw materials as described above and the physical and chemical characteristics of the raw materials.
The present inventor has found that the organic matter content of the organic fertilizer is 60 wt% or more, the nitrogen content of the organic matter is at least 9 wt%, which induces the initial growth of the crop, , A total amount of potassium component of about 19% by weight to about 20% by weight, and a pellet-type form.
In the meantime, as the raw material of cheap organic fertilizer is relatively cheap and the content of nitrogen is relatively high, most of companies are using the ingredients of the skin inside the epidermis, The nitrogen content is higher than that of the material by more than 2 times, the organic matter content is higher than other pulps, and the pellet processing ability is excellent, so that it is suitable as an organic material component of the third type compound fertilizer, The present inventors have found that the epidermis and the substances in the epidermis can be easily separated from each other by work using the size difference in the case of the castor oil which is pulverized and existing in a small granular state.
Based on these results, it is possible to overcome the phenomenon that the content of organic matter required by farmers can not be adjusted by increasing the content of nitrogen, phosphoric acid and potassium in the production of the third kind of compound fertilizer, and adjusting the content of nitrogen to 9 wt% The total amount of nitrogen, phosphoric acid, and potassium is about 19 to 20% by weight, which is a relatively high level as compared with the chemical fertilizer. The organic matter content is about 60% by weight, which is the same level as that of the environmentally friendly organic fertilizer. The present invention also provides a method for producing a third type compound fertilizer which is a pellet type and a third type compound fertilizer produced by the method.
The method for producing the compound fertilizer of the third type of the present invention is a method for separating the compound fertilizer by sieving and a method for producing HP suitable as an organic material feedstock of the pellet type third type compound fertilizer of the present invention, The composition of the raw material of the compound fertilizer is 55 to 65% by weight of HP obtained from the castor oil, the content of nitrogen in the fertilizer is 9% by weight or more and the total content of nitrogen, phosphoric acid and potassium is 19% (NH 3 ) 2 HPO 4 ) and ammonium sulfate (yuan) in a total amount of 22 wt% to 28 wt%, and other raw materials such as rice bran By weight to 17% by weight.
A substance obtained through sieving by a method as described below from a castor oil is referred to as HP (High Protein) in the present invention.
Considering the modified fertilizer process standard, the third type of compound fertilizer belonging to the compound fertilizer among ordinary fertilizers has a special restriction on usable raw materials compared with the environment friendly organic fertilizer which limits usable raw materials to natural ones in consideration of the characteristic of environment friendly fertilizer It is stipulated that the total amount of nitrogen, phosphoric acid and potassium is not less than 12% by weight, and the content of organic matter is not less than 10% by weight. In comparison with the second kind of compound fertilizer, It is defined as a mixture of fertilizer and organic matter.
In other words, it is interpreted as a fertilizer process standard determined by intention to combine the characteristics of chemical fertilizer and organic fertilizer.
However, farmers do not consider the effect of chemical fertilizer and organic fertilizer at the same time that only 10% by weight of organic matter is contained in the second kind of compound fertilizer composed of chemical fertilizer only, It is true that the organic matter content of 10% by weight does not particularly affect the soil improvement.
As described above, the total amount of nitrogen, phosphoric acid, and potassium is about 20 wt% or more, which is the same level as that of the second type compound fertilizer, and the organic matter content is usually 10 wt% to 20 wt% And 30% to 40% by weight of products are available, but they are not selected from the farmers.
In order to solve this problem, the organic material used in the third type compound fertilizer must have a nitrogen content of at least 70% by weight, a high pelletizing ability, Should be satisfied.
The reason for this is that farmers want the organic matter content of the third kind of compound fertilizer to be about the same as that of the general environmentally friendly organic fertilizer because the organic matter content is about 60% by weight and the other chemical fertilizer ingredient Phosphorus, and potassium components can be maintained at about 60% by weight when mixed with phosphorus, phosphorus, and potassium components. In addition, since farmers prefer pellet type fertilizer in consideration of the convenience of fertilization and delayed or slow-release fertilizer, it is desirable that the pellet processing ability is excellent and that the nitrogen component directly involved in the initial growth of the plant is more than 9 wt% The nitrogen content of the organic matter with the highest absolute usage should be considerably high. Finding a raw material satisfying such conditions can be a solution to this problem.
However, it is a reality that the content of the nitrogen component of the raw material containing a large amount of the organic matter currently distributed on the market is not contained in the level that satisfies the nitrogen component of the third type compound fertilizer which is usually distributed.
If such a raw material is found, the content of the nitrogen, phosphoric acid, and potassium components of the third type compound fertilizer that has already been distributed in the market is similar to that of the pellet-type organic fertilizer of which the content of the organic matter is at least 60 wt% A third type of compound fertilizer will be introduced where the total amount of nitrogen, phosphoric acid, and potassium is 9 wt% and the total amount of nitrogen, phosphoric acid, and potassium is 19 wt% to 20 wt% and the organic matter content is 60 wt% No compound fertilizer can be found.
From this point of view, the inventors of the present invention have found that when the raw material is re-processed, the nitrogen content is high and the organic matter content is as high as 70% by weight or more and the physical property is excellent, And the total amount of nitrogen, phosphoric acid, and potassium as major chemical components is 19 wt% to 20 wt% or more, so that the initial growth of the plant can be induced well and the organic matter content is the same as that of the organic fertilizer Of the third type of compound fertilizer in the form of a pellet of 60 wt% or more.
Thus, the present inventors have tried to find a method for producing a raw material derived from a natural raw material which can guarantee a nitrogen content of 9 wt% or more and an organic matter content of 70 wt% or more, and the HP obtained by sieving a castor oil has a production cost It is not only inexpensive, but also has a nitrogen content of not less than 8.5% by weight and an organic matter content of not less than 70% by weight, so that the pellet processing property is also excellent because a part of the surface of the pellet is very rough, , And a method for producing a third type compound fertilizer having a pellet type in which the organic matter is high by about 60% by weight while adjusting the components of nitrogen, phosphoric acid, and potassium desired by farmers using HP obtained from a castor oil .
In the present invention, the method of obtaining HP from the castor oil and the separation ratio of HP are as follows. The present invention is characterized in that HP is obtained from a castor oil and used as a raw material of a third type compound fertilizer in the form of a pellet having an organic matter content of 60% by weight or more. Therefore, But is not limited to the method of obtaining HP from the proposed castor foil.
First, 200 g of a castorous cake mixed with a regular cake-like lump in a testing sieve having a sieve aperture of 1.6 mm and a wire dia of 0.9 mm was put in the laboratory, and the cake lump was rubbed by hand If you shake it about 30 times in the left and right direction by hand on a newspaper, you can get about 24g of fine powdery HP from newspapers on a sieve. As a result, the average value of 10 to 12% by weight of HP with respect to the amount of nitrogen was obtained with a nitrogen content of 8.5% by weight or more and a nitrogen content in a large amount.
Comparing the process of obtaining HN described in Japanese Patent No. 10-1346599 (published on Apr. 01, 2014, published on Jan. 1, 2014) by the inventor of the present invention with the HP of the present invention, in the present invention, ), It is different in that the aperture size of the cylinder is made smaller in order to lower the inflow rate of the cast iron foil material having low nitrogen content and poor pellet processing ability.
Of course, although both the Korean Patent No. 10-1346599 and the present invention use substances (HP or HN) sieved from castor bean (Acharya bean oil), they have a common point, but fundamentally, Its purpose is different and its composition and effect are completely different inventions. Further, comparing HP, which is a commonly used material, and HN described in Japanese Patent No. 10-1346599, HP is obtained by using a sieve having a smaller sieve size as a whole than HN, Both materials are different in that the content of nitrogen is high and the particle size is smaller and pellet processing ability is higher.
The nitrogen content of a typical cake-shaped castor oil is on the order of 4.5 to 4.8 wt.% On average.
If the number of shakes is more than 30 times, more HP can be obtained. However, in order to allow the castor oil remaining on the sieve to be used as a raw material for other fertilizer, the nitrogen content should be maintained at 4 wt% The separation conditions capable of maintaining the nitrogen content of the remaining castor oil at 4% by weight or more were as described above.
When the size of the sieve is less than 1.5 mm, the size is too small, the yield of HP is much larger and the production cost is significantly increased. When the size is 1.8 mm or more, the amount of HP is high, The nitrogen component was lowered and the content of the epidermal portion was increased, so that the adhesive force was relatively lowered, which was not appropriate.
Between 1.5 mm and 1.8 mm, an organic raw material having no significant problem in achieving the object of the present invention was obtained. Of course, taking into consideration the binding power, nitrogen content and amount of yield depending on the size and roughness of the particles, 1.6 mm is the most suitable size for obtaining the optimum raw material suitable as the organic source of the third type compound fertilizer of the present invention .
When the production is actually carried out at the production site, a castor roll is placed in a basket in the form of a silo having a draw-out port at the lower end thereof so as to draw the castor foil. The castor foil is conveyed to a vertical conveyor belt, But it is possible to use a method of separating HP through a mechanical device composed of a sieve installed so as to be able to move left and right repeatedly.
Such mechanical equipment is a mechanical construction that can be readily implemented by those skilled in the art.
Such mechanical equipment may be in any form as long as it is capable of separating HP from the cast iron foil, which is an essential object of the present invention.
It is also possible to use HP, which is separated from the castor bean and has a high organic matter content of 70% by weight, a high nitrogen content and a good pellet processability, so that the organic matter content of the present invention is the same as that of the environmentally friendly organic fertilizer. The method for producing the third type compound fertilizer is such that the nitrogen content is 9 wt% or more and the total amount of the chemical components such as nitrogen, phosphoric acid, and potassium is about 19 wt% to 20 wt% , A new pellet type compound fertilizer that can meet the needs of farmers by simultaneously solving the problem that the organic matter content should be at least 60 wt%, which is the same level as the environmentally friendly organic fertilizer, And a third type compound fertilizer produced by the method.
Hereinafter, the structure and operation of the present invention will be described in more detail with reference to the preferred embodiments of the present invention.
It should be understood, however, that the present invention is not limited to the disclosed embodiments, but, on the contrary, is intended to cover various modifications and equivalent arrangements included within the spirit and scope of the appended claims.
Those skilled in the art will appreciate that the contents not described herein are sufficiently technically inferior to those of ordinary skill in the art.
Example 1
The present invention aims to produce a composite fertilizer of a third type having a pellet type and a nitrogen content of 9 wt% or more and a total amount of nitrogen, phosphoric acid, and potassium of 19 wt% or more and an organic matter content of 60 wt% or more.
60 weight% (6,000 kg) of HP (High Protein), 15 weight% (1,500 kg) of rice bran, 10 weight% (1,000 kg) of potassium chloride and 10 weight% of phosphorus obtained by the method of the present invention using an automatic weighing device, (1,000 kg) and ammonium sulfate 5 wt% (500 kg) were put into a blender and mixed. Then, the blended raw material for the second blending and water mixing was passed through an extruder having a steam blasting facility, The water content is adjusted to 19% by weight to 20% by weight, and the mixture is sent to a pellet molding machine to obtain a pellet type third type compound fertilizer.
The third type of compound fertilizer of the pellet type obtained through the above process was put into a cooling and drying machine and cooled and dried so that the water content reached 13 wt%, and about 10 tons of the pellet type third type compound fertilizer was obtained over 1 hour .
Each of the above-mentioned processes is carried out by a third type compound fertilizer production system made up of a blender, an extruder, a pellet mill, and a cooler / drier. Nitrogen fertilizer, potassium phosphate (9.2 wt%: 4.3 wt%: 6.2 wt%), and nitrogen fertilizer were analyzed by the National Institute of Agricultural and Environmental Science (Kangdong, Daejeon) 63% by weight of organic matter was obtained.
This means that the nitrogen content, the nitrogen content, the phosphoric acid content and the potassium content are not less than 19% by weight, which is the object of the present invention, And a pellet type third type compound fertilizer having an organic matter of 60 wt% or more, which is the same level as the environmentally friendly organic fertilizer.
Example 2
The same type of pellet as in Example 1, and the production of a third type compound fertilizer having a nitrogen content of 9 wt% or more and a total amount of nitrogen, phosphoric acid, and potassium of 19 wt% or more and an organic matter content of 60 wt% .
55 weight% (5,500 kg) of HP (High Protein), 17 weight% (1,700 kg) of rice bran, 11 weight% (1,100 kg) of potassium chloride and 11 weight% of phosphorus obtained by the method of the present invention using an automatic weighing device, (1,100 kg) and ammonium sulfate 6 wt% (600 kg) were put into a blender and mixed. Then, the blended mixture for the second blending and water-mixing was passed through an extruder having a steam blasting facility, The water content is adjusted to 19% by weight to 20% by weight, and the mixture is sent to a pellet molding machine to obtain a pellet type third type compound fertilizer.
The third type of compound fertilizer of the pellet type obtained through the above process was put into a cooling and drying machine and cooled and dried so that the water content reached 13 wt%, and about 10 tons of the pellet type third type compound fertilizer was obtained over 1 hour . Each of the above-mentioned processes is carried out by a third type compound fertilizer production system made up of a blender, an extruder, a pellet mill, and a cooler / drier.
Nitrogen fertilizer, potassium phosphate (9.1 wt%: 4.7 wt%: 6.3 wt%), and nitrogen fertilizer were analyzed by the National Institute of Agricultural and Environmental Science (Kangdong, Daejeon) 61% by weight of organic matter was obtained.
This means that the nitrogen content, the total amount of nitrogen, phosphoric acid, and potassium is not less than 19 wt% and the organic matter is the environmentally friendly organic fertilizer To obtain a third type compound fertilizer in the form of a pellet having the same level of 60 wt% or more.
Example 3
As in Examples 1 and 2, the pellets were of the pellet type and had a nitrogen content of 9 wt% or more and a total content of nitrogen, phosphoric acid, and potassium of 19 wt% or more and a content of organic matter of 60 wt% Aimed at the production of compound fertilizer.
65 weight% (6,500 kg) of HP (High Protein), 13 weight% (1,300 kg) of rice bran, 9 weight% (900kg) of potassium chloride and 9 weight% of biannene obtained by the method of the present invention using an automatic weighing apparatus 900 kg) and ammonium sulfate 4 wt% (400 kg) were put into a blender in order and mixed. After the pulverized blended raw materials were passed through a steam jet extruder for secondary blending and water mixing, To 19% by weight to 20% by weight, and then the mixture is pelletized by a pellet mill to obtain a pellet type third type compound fertilizer.
The third type of compound fertilizer of the pellet type obtained through the above process was put into a cooling and drying machine and cooled and dried so that the water content reached 13 wt%, and about 10 tons of the pellet type third type compound fertilizer was obtained over 1 hour .
Each of the above-mentioned processes is carried out by a third type compound fertilizer production system made up of a blender, an extruder, a pellet mill, and a cooler / drier. Nitrogen fertilizer, potassium phosphate (9.5 wt%: 4.1 wt%: 6.2 wt%), and nitrogen fertilizer were analyzed by a nationally recognized analytical institute, PanKorea Agricultural and Environmental Science Research Institute (Kudong, Daejeon) And 65 wt% of organic matter was obtained.
This means that the total amount of nitrogen, phosphoric acid, and potassium is at least 19 wt%, and the organic matter is at the same level as that of the environmentally friendly organic fertilizer To obtain a third type of compound fertilizer in the form of pellets of 60 wt% or more.
Comparative Example 1
(5,000kg) of HP (High Protein), 20% by weight of rice bran (2,000kg), 11% by weight of potassium chloride (1,100kg) and 11% by weight of phosphorus obtained by the method proposed by the present invention using an automatic weighing device. (1,100 kg) and ammonium sulfate 8 weight% (800 kg) were put into a blender and mixed. Then, the blended raw materials for the second blending and water-mixing were passed into an extruder having a steam blasting facility, The water content is adjusted to 19% by weight to 20% by weight, and the mixture is sent to a pellet molding machine to obtain a pellet type third type compound fertilizer.
The third type of compound fertilizer of the pellet type obtained through the above process was put into a cooling and drying machine and cooled and dried so that the water content reached 13 wt%, and about 10 tons of the pellet type third type compound fertilizer was obtained over 1 hour .
Each of the above-mentioned processes is carried out by a third type compound fertilizer production system made up of a blender, an extruder, a pellet mill, and a cooler / drier.
(9 wt.%: 4.8 wt.%: 6.3 wt.%) And nitrogen fertilizer were analyzed by the National Institute of Agricultural and Environmental Science (Kangdong, Daejeon) 54% by weight of organic matter was obtained.
This satisfies the specification of the third kind of compound fertilizer specified in the fertilizer process standard and satisfies the condition that the total amount of nitrogen, phosphoric acid and potassium is 19 wt% or more while the content of nitrogen is 9 wt% or more for the purpose of the present invention, The organic matter remains at 54 wt% lower than the requirement of the environmentally friendly organic fertilizer, which is one of the objects of the present invention, and the strength and the high degree of pelletization of the pellet after the drying process are reduced and the ratio of pellets broken It was too high to be 30% by weight or more to lose its value as a product, so that the third type compound fertilizer of the present invention could not be obtained by the production method of Comparative Example 1.
Comparative Example 2
70 weight% (5,000 kg) of HP (High Protein), 13 weight% (2,000 kg) of rice bran, 7 weight% (1,100 kg) of potassium chloride and 7 weight% of phosphorus obtained by the method of the present invention, (1,100 kg) and ammonium sulfate 3 wt% (800 kg) were put into a blender in order and mixed. After the pulverized blended raw materials were passed through a steam jetting extruder for secondary blending and water mixing, The water content is adjusted to 19% by weight to 20% by weight, and the mixture is sent to a pellet molding machine to obtain a pellet type third type compound fertilizer.
The third type of compound fertilizer of the pellet type obtained through the above process was put into a cooling and drying machine and cooled and dried so that the water content reached 13 wt%, and about 10 tons of the pellet type third type compound fertilizer was obtained over 1 hour .
Each of the above-mentioned processes is carried out by a third type compound fertilizer production system made up of a blender, an extruder, a pellet mill, and a cooler / drier. The nitrogen-phosphoric acid: potassium (8.1% by weight: 3.6% by weight: 5.5% by weight) and the nitrogen-phosphorus-containing compound fertilizer were analyzed by the National Institute of Agricultural and Environmental Science (Kangdong, Daejeon) 68% by weight of organic matter was obtained.
This is a fertilizer which satisfies the specifications of the third kind of compound fertilizer specified in the fertilizer process standard, and the organic matter which is one of the objects of the present invention is a well-maintained pellet form containing 60 wt% or more of the same level as the environmentally friendly organic fertilizer , A content of nitrogen of 9% by weight or less and a content of phosphoric acid and potassium significantly lower than those of Examples 1 to 3 and a total amount of nitrogen, phosphoric acid and potassium of 19% by weight or less to achieve the object of the present invention Three kinds of compound fertilizer could not be obtained.
In the above Examples 1 to 3 and Comparative Examples 1 and 2, a comparative test was conducted on the assumption that the content of nitrogen and organic matter was high and the fine particles of the present invention were used as raw materials. It was found that the third kind of compound fertilizer of the pellet type which can achieve the object of the present invention was not obtained at all.
In other words, they were prepared in the same manner as in the examples using palm, seed, soybean, corn, and the like, which are supposed to be used in place of HP. However, all of them have a lower nitrogen content than HP or a binding force It is impossible to solve the technical antagonistic relation between the raw materials presented as a problem in achieving the object of the present invention. Therefore, the third type compound fertilizer having all the conditions for the purpose of the present invention could not be obtained.
The results of Examples 1 to 3 and Comparative Example 1 and Comparative Example 2 are specifically concretely. In Comparative Example 1 in which HP was used in an amount of not more than 55% by weight, the content of organic matter was more than 60% by weight It was impossible to obtain the third kind of compound fertilizer which was the object of the present invention. In Comparative Example 2 where HP was used in an amount of 65% by weight or more, There was no problem in terms of content and binding ability, but the content of nitrogen, phosphorus and potassium was not more than 19 wt% as well as the content of nitrogen component, which is a standard for promoting the initial growth aimed at the present invention, is not more than 9 wt% The third kind of compound fertilizer which is the object of the present invention could not be obtained.
This is because, when HP is used in an amount of 55 wt% or less, the organic matter content does not reach 60 wt% by itself even if the amount of expensive rice bran is increased, and the input ratio of the chemical fertilizer can be relatively increased, The total content of phosphoric acid and potassium can achieve the object of the present invention but the fact that the high input ratio of the chemical fertilizer lowers the binding force by the technical antagonistic action as described above, I could confirm. When the HP was used in an amount of 65 wt% or more, the input ratio of the chemical fertilizer was relatively decreased, and it was confirmed through actual production that the nitrogen content and the total amount components of nitrogen, phosphoric acid, and potassium did not reach the object of the present invention.
When the HP was used in the range of 55% by weight to 65% by weight through Examples 1 to 3, it is necessary to combine the chemical fertilizers such as potassium chloride, phosphorus dioxide, ammonium sulfate and rice bran as appropriate, , A third kind of compound fertilizer in the form of pellets having a nitrogen content of not less than 9% by weight and a nitrogen, phosphoric acid and potassium content of not less than 19% by weight and an organic matter content of 60% by weight is obtained .
That is, when the use ratio of HP is out of the range of 55 wt% to 65 wt%, the content of nitrogen contained in the fertilizer, which is the object of the present invention, is 9 wt% or more and the content of nitrogen, phosphoric acid, and potassium It is impossible to obtain a third kind of compound fertilizer in the form of a pellet having a total composition of 19% by weight or more and an organic matter content of 60% by weight.
In order to achieve the object of the present invention, the use ratio of HP is used in the range of 55% by weight to 65% by weight and the raw rice is used in the range of 13% by weight to 17% by weight. Ammonium) should be used within the range of 22 wt% to 28 wt%.
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|---|---|---|---|---|
| KR100596692B1 (en) | 2004-05-19 | 2006-07-07 | 심연숙 | fertilizer and manufacturing method of the same |
| KR101346599B1 (en) | 2012-11-21 | 2014-01-16 | 주식회사 이앤티 | Processing method of organic fertilizer of pellet type |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100596692B1 (en) | 2004-05-19 | 2006-07-07 | 심연숙 | fertilizer and manufacturing method of the same |
| KR101346599B1 (en) | 2012-11-21 | 2014-01-16 | 주식회사 이앤티 | Processing method of organic fertilizer of pellet type |
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