CN104030821A - Humic acid-added potassium fertilizer and preparation method thereof - Google Patents
Humic acid-added potassium fertilizer and preparation method thereof Download PDFInfo
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- CN104030821A CN104030821A CN201410274180.2A CN201410274180A CN104030821A CN 104030821 A CN104030821 A CN 104030821A CN 201410274180 A CN201410274180 A CN 201410274180A CN 104030821 A CN104030821 A CN 104030821A
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- humic acid
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Abstract
The invention discloses a humic acid-added potassium fertilizer and a preparation method thereof. The humic acid-added potassium fertilizer comprises the following components in percentage by weight: 40-60% of inorganic potassium salt, 15-30% of humic acid and 10-20% of bentonite. The preparation method comprises the steps of crushing humic acid according to a certain ratio; then, uniformly mixing humic acid and bentonite; next, mixing and stirring the mixture and inorganic potassium salt on a disc granulator. The granular potassium fertilizer disclosed by the invention has a yield increasing effect, not only contains the rapidly available potassium element required by the growth of crops, but also can be used for increasing the yield of the crops and improving the quality of the crops due to the addition of the humic acid. By using the fertilizer, the utilization rate of the fertilizer can be increased, the labor can be saved, the mechanical fertilizer application can be realized conveniently, and the aims of saving the fertilizer and labor and scientifically using the fertilizer are achieved.
Description
Technical field
The present invention relates to chemical technology field, specifically a kind of potash fertilizer that adds humic acid and preparation method thereof.
Background technology
Humic acids is animals and plants remains, is mainly the remains of plant, through decomposition and the conversion of microorganism, and geochemical a series of process type organic matter of causing and accumulating.Humic acids is as organic matter raw material, is widely used in agriculture, woods, herds, the every field such as oil, chemical industry, building materials, medicine, health, environmental protection.Agriculturally, be combined with the element such as nitrogen, phosphorus, potassium the humic acid fertilizer made (for example: with in ammonia and humic acids can be made into ammonium humate fertilizer), there is fertilizer synergistic, improve soil, stimulate plant growth, improve the functions such as agricultural product quality; Nitro humic acid can be used as raising rice seedlings acidity regulator.
At present, in agriculture production, because of application of potash fertilizer few or improper, cause the decline of crops quality, as not fragrant in rice wheat, the sweetless and outward appearance deformity of melon and fruit, this is mainly the unbalance result of corps nutrient, be that common potash fertilizer can not meet the demand of farm crop intermediary and later stages to potassium element, easily cause the farm crop later stage de-fertile.Effective means is to use the potash fertilizer with slow release that contains humic acid, but on agricultural materials market, there is no this type of fertilizer at present.
Summary of the invention
The object of patent of the present invention is to overcome the deficiencies in the prior art, and a kind of potash fertilizer that adds humic acid and preparation method thereof is provided.
In order to solve the problems of the technologies described above, patent of the present invention is to realize by the following technical programs:
Add a potash fertilizer for humic acid, by weight percentage, it consists of: inorganic potassium salt particle 40-60%, humic acid 15-30%, wilkinite 10-30%.
Inorganic potassium salt particle of the present invention is potassium sulfate.
Inorganic potassium salt particle of the present invention is Repone K.
A method of preparing the potash fertilizer that adds humic acid, comprises the following steps:
The first step, pulverizes: respectively humic acid, wilkinite are pulverized, humic acid, bentonitic granularity are 80 order～120 orders;
Second step, mixes: the humic acid obtaining in the first step and wilkinite are stirred;
The 3rd step, prepares tackiness agent: by ethylenediamine tetraacetic acid (EDTA): xylogen: vegetables oil is uniformly mixed to form tackiness agent according to ratio of weight and number at 2: 1: 1;
The 4th step, composite grain: inorganic potassium salt particle is sent in the granulating disc rotating with fluid jetting head, after the tackiness agent that evenly sprinkling the 3rd step obtains on particle sylvite particle surface, add humic acids that second step obtains and the blend of bentonite in powder, this process repeats, after 2-3 time, to make the granularity of coiling interior material finally become 3.5mm～5.5mm particle;
The 5th step, dries: the composite grain that the 4th step is obtained enters dehumidification system through transfer roller, heats, is incubated, and can obtain a kind of particulate state potash fertilizer that adds humic acid of water ratio below 5%.
In step the five steps of the present invention, the method for heating, insulation is: hot blast temperature is successively warming up to 160 DEG C by 80 DEG C, is incubated half an hour at 160 DEG C.
Compared with prior art, the invention has the beneficial effects as follows:
Granular potash fertilizer provided by the present invention has the effect of volume increase, not only contains the needed available potassium element of crop growth, and owing to making potash fertilizer provided by the present invention adding of humic acid, not only can improve the output of farm crop, and can promote its quality.Experiment shows, under equal conditions: wheat increase yield 15%～20%, increasing production of rice 15%～25%, peanut yield increasing 20%～35%, corn yield increasing 15%～25%, Yield Increase In Cotton 15%～25%, melon and fruit is fragrant and sweet and big or small even.
Simultaneously prepare tackiness agent granulation because of tool, make potash fertilizer of the present invention there is slow-release function, solved the potassium element that crop growth middle and later periods de-fertilizer causes and supplied inadequate problem.The utilization ratio of potash fertilizer is increased substantially, can effectively reduce rate of fertilizer application, reduced planting cost, and soil protection environment.
Embodiment
Below the present invention is described in further detail:
The invention discloses a kind of potash fertilizer that adds humic acid; by weight percentage, it consists of: inorganic potassium salt particle 40-60%, humic acid 15-30%, wilkinite 10-30%, pulverize humic acid in proportion; after mixing with wilkinite afterwards, on granulating disc, mix and mix thoroughly with inorganic potassium salt.
Preferably, inorganic potassium salt particle of the present invention is potassium sulfate.
Preferably, inorganic potassium salt particle of the present invention is Repone K.
The present invention selects granular potassium sulfate or potassium chloride particle, and reason is, they dissolve rapidly, even also can dissolve completely in the water of 0 DEG C, are subacidity after dissolving, can improve plant physiology activity, promotes the optimum growth of crop, improves utilization rate of fertilizer.And be easily absorbed in soil, mend rapidly potassium, be particularly suitable for the crop expanding stages such as melon and fruit class, tubers and use, can obviously improve crop yield.
The present invention also provides a kind of method of preparing the potash fertilizer that adds humic acid, comprises the following steps:
The first step, pulverizes: respectively humic acid, wilkinite are pulverized, humic acid, wilkinite grinding particle size are 80 order～120 orders;
Second step, mixes: the humic acid obtaining in the first step and wilkinite are stirred;
The 3rd step, prepares tackiness agent: by ethylenediamine tetraacetic acid (EDTA): xylogen: vegetables oil is uniformly mixed to form tackiness agent according to ratio of weight and number at 2: 1: 1;
The 4th step, composite grain: inorganic potassium salt particle is sent in the granulating disc rotating with fluid jetting head, after the tackiness agent that evenly sprinkling the 3rd step obtains on particle sylvite surface, add humic acids that second step obtains and the blend of bentonite in powder, this process repeats, after 2-3 time, to make the granularity of coiling interior material finally become 3.5mm～5.5mm particle;
The 5th step, dries: the composite grain that the 4th step is obtained enters dehumidification system through transfer roller, heats, is incubated, and both can obtain a kind of particulate state potash fertilizer that adds humic acid of water ratio below 5%.
On the basis of inorganic potassium salt, use tackiness agent at the outer parcel of particle sylvite humic acid, add the synergistic factor and the chelated microelements that promote that crop nutrition content absorbs, easily absorbed by crops, absorption rate improves 50% than common inorganic potassium salt fertilizer.After using, improve crop disease-resistant, cold-resistant, drought resisting, lodging tolerance, gained melon and fruit uniform coloring is bright-coloured, size evenly, mouthfeel is better, can extend crop freshness date, shelf lives, also can promote crop precocity.
In the method for the invention the 4th step, utilize physical property tackiness agent packing technology to make granular potassium sulfate or Repone K surface parcel one deck contain the film of humic acid, this layer film not only by humic acid rational Match in potash fertilizer but also control potash fertilizer and slowly discharge, in the process that granular potassium sulfate or Repone K are slowly discharged in soil, humic acid is also applied in soil, and the release rate of this kind of product and crop regulation of fertilizer requirement are substantially identical, nutrient supply is balanced sufficient, the continuous release phase can reach 90 days, this effect can make in crop, later stage is not de-fertile, the time of infertility is effective, potassium utilization rate can improve more than 50%.
Preferably, in described step the five steps of the present invention, the method for heating, insulation is: hot blast temperature is successively warming up to 160 DEG C by 80 DEG C, is incubated half an hour at 160 DEG C.
In the present invention, there is no the technical characterictic describing in detail is prior art.Above-described embodiment is illustrative principle of the present invention and effect thereof only, but not for limiting the present invention.Any person skilled in the art scholar all can, under spirit of the present invention and category, modify or change above-described embodiment.Therefore, in affiliated technical field, have and conventionally know that the knowledgeable, not departing from all equivalence modifications that complete under disclosed spirit and technological thought or changing, must be contained by claim of the present invention.
Claims (5)
1. a potash fertilizer that adds humic acid, is characterized in that, by weight percentage, it consists of: inorganic potassium salt particle 40-60%, humic acid 15-30%, wilkinite 10-30%.
2. a kind of potash fertilizer that adds humic acid according to claim 1, is characterized in that, described inorganic potassium salt particle is potassium sulfate.
3. a kind of potash fertilizer that adds humic acid according to claim 1, is characterized in that, described inorganic potassium salt particle is Repone K.
4. a method of preparing the potash fertilizer of interpolation humic acid claimed in claim 1, is characterized in that, comprises the following steps:
The first step, pulverizes: respectively humic acid, wilkinite are pulverized, humic acid, bentonitic granularity are 80 order～120 orders;
Second step, mixes: the humic acid obtaining in the first step and wilkinite are stirred;
The 3rd step, prepares tackiness agent: by ethylenediamine tetraacetic acid (EDTA): xylogen: vegetables oil is uniformly mixed to form tackiness agent according to ratio of weight and number at 2: 1: 1;
The 4th step, composite grain: inorganic potassium salt particle is sent in the granulating disc rotating with fluid jetting head, after the tackiness agent that evenly sprinkling the 3rd step obtains on particle sylvite particle surface, add humic acids that second step obtains and the blend of bentonite in powder, this process repeats, after 2-3 time, to make the granularity of coiling interior material finally become 3.5mm～5.5mm particle;
The 5th step, dries: the composite grain that the 4th step is obtained enters dehumidification system through transfer roller, heats, is incubated, and can obtain a kind of particulate state potash fertilizer that adds humic acid of water ratio below 5%.
5. a kind of method of preparing the potash fertilizer that adds humic acid according to claim 4, is characterized in that, in described step the five steps, the method for heating, insulation is: hot blast temperature is successively warming up to 160 DEG C by 80 DEG C, is incubated half an hour at 160 DEG C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410274180.2A CN104030821A (en) | 2014-06-19 | 2014-06-19 | Humic acid-added potassium fertilizer and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410274180.2A CN104030821A (en) | 2014-06-19 | 2014-06-19 | Humic acid-added potassium fertilizer and preparation method thereof |
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| CN104030821A true CN104030821A (en) | 2014-09-10 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105175091A (en) * | 2015-07-20 | 2015-12-23 | 季保德 | Preparation method of spherical granular potash fertilizer |
| CN110590435A (en) * | 2018-06-13 | 2019-12-20 | 深圳市芭田生态工程股份有限公司 | Functional fertilizer for fruits and application |
| CN110683897A (en) * | 2019-10-29 | 2020-01-14 | 金陵科技学院 | Potassium chloride and humic acid composite slow-release fertilizer granules and preparation method thereof |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102653484A (en) * | 2011-03-01 | 2012-09-05 | 张希纯 | Controlled release potash fertilizer and preparation method thereof |
-
2014
- 2014-06-19 CN CN201410274180.2A patent/CN104030821A/en not_active Withdrawn
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102653484A (en) * | 2011-03-01 | 2012-09-05 | 张希纯 | Controlled release potash fertilizer and preparation method thereof |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105175091A (en) * | 2015-07-20 | 2015-12-23 | 季保德 | Preparation method of spherical granular potash fertilizer |
| CN110590435A (en) * | 2018-06-13 | 2019-12-20 | 深圳市芭田生态工程股份有限公司 | Functional fertilizer for fruits and application |
| CN110683897A (en) * | 2019-10-29 | 2020-01-14 | 金陵科技学院 | Potassium chloride and humic acid composite slow-release fertilizer granules and preparation method thereof |
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Application publication date: 20140910 |