CN106396961A - Organic selenium intercalation modified ureaformaldehyde controlled wheat release fertilizer and preparation method thereof - Google Patents
Organic selenium intercalation modified ureaformaldehyde controlled wheat release fertilizer and preparation method thereof Download PDFInfo
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- CN106396961A CN106396961A CN201610816953.4A CN201610816953A CN106396961A CN 106396961 A CN106396961 A CN 106396961A CN 201610816953 A CN201610816953 A CN 201610816953A CN 106396961 A CN106396961 A CN 106396961A
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- ureaformaldehyde
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- selenium
- organic selenium
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05C—NITROGENOUS FERTILISERS
- C05C3/00—Fertilisers containing other salts of ammonia or ammonia itself, e.g. gas liquor
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05G—MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS; FERTILISERS CHARACTERISED BY THEIR FORM
- C05G3/00—Mixtures of one or more fertilisers with additives not having a specially fertilising activity
Abstract
The invention discloses organic selenium intercalation modified ureaformaldehyde controlled wheat release fertilizer. The fertilizer comprises the following raw materials in parts by weight: 2 to 3 parts of ammonium sulfate, 4 to 6 parts of magnesium sulfate, 60 to 70 parts of urea, 32 to 40 parts of formaldehyde, 2 to 3 parts of fulvic acid, 0.1 to 0.2 part of sodium selenite, 15 to 20 parts of montmorillonite powder, 2 to 3 parts of calcium sulfate, 6 to 9 parts of monopotassium phosphate, 0.4 to 1 part of sodium tripolyphosphate, and 1 to 2 parts of selenium yeast. The fertilizer takes selenium yeast as the raw material, obtained organic selenium dispersion liquid is mixed with urea and formaldehyde, pretreated ureaformaldehyde is obtained, then montmorillonite powder is mixed with an organic selenium solution, intercalation montmorillonite powder is obtained through ultrasound exposure, and finally the intercalation montmorillonite powder is mixed and dried with the pretreated ureaformaldehyde, so that selenium-enriched controlled release fertilizer is obtained.
Description
Technical field
The present invention relates to technical field of fertilizers, more particularly, to a kind of Organic Selenium intercalation modifying ureaformaldehyde sustained release wheat fertilizer and
Its preparation method.
Background technology
Ureaformaldehyde slow-release fertilizer is a kind of high-nitrogen slow released fertilizer, and its nutrients release is slow, fertilizer efficiency period length, nitrogen use efficiency are up to 80%
More than, fertilizer efficiency sustainable effect more than 80 days, the longest up to 2 years.Urea potassium aldehyde slow-release fertilizer to drench rate very low, general urea,
Ammonium nitrogen is combined the composite fertilizer of fertilizer series, and its fertilizer efficiency rate of drenching in two weeks reaches more than 70%, and urea-formaldehyde fertilizer only drench rate
Have 30%, its rate of release is coincide with plant growth rate;According to the N and P uptake character of crop, make fertilizer nutrient rate of release and work
The need fertilizer speed of thing matches, thus only needing single-dose application just can meet the demand to nutrient for the whole growth cycle of crop, it is to avoid
The man power and material's cost producing because of multiple fertilising, has test to show, with regard to cotton, wheat, oat, millet, corn and soybean
For the yield of crop this season and absorbing nitrogen amount, therefore how the effect of urea-formaldehyde fertilizer is not so good as ammonium nitrate, urea and sulphur ammonium,
Improving ureaformaldehyde is necessary to the applicability of some crops.
Content of the invention
The object of the invention is exactly the defect in order to make up prior art, provides a kind of Organic Selenium intercalation modifying ureaformaldehyde sustained release
Wheat fertilizer and preparation method thereof.
The present invention is achieved by the following technical solutions：
A kind of Organic Selenium intercalation modifying ureaformaldehyde is sustained wheat fertilizer, and it is made up of the raw material of following weight parts：
Ammonium sulfate 2-3, magnesium sulfate 4-6, urea 60-70, formaldehyde 32-40, fulvic acid 2-3, sodium selenite 0.1-0.2, illiteracy are de-
Native powder 15-20, calcium sulfate 2-3, potassium dihydrogen phosphate 6-9, sodium tripolyphosphate 0.4-1, yeast selenium 1-2.
A kind of described Organic Selenium intercalation modifying ureaformaldehyde is sustained the preparation method of wheat fertilizer, comprises the following steps：
（1）Above-mentioned sodium tripolyphosphate is added in the deionized water of its weight 20-23 times, stirs, add yeast selenium,
Insulated and stirred 7-10 minute at 47-50 DEG C, obtains Organic Selenium dispersion liquid；
（2）By above-mentioned urea, formaldehyde mixing, rise high-temperature and be 25-30 DEG C, insulated and stirred 20-30 minute, drip formic acid, adjust
PH is 4-5, continues insulated and stirred 30-40 minute, adds above-mentioned Organic Selenium dispersion liquid, rises high-temperature and is 47-50 DEG C, insulated and stirred
40-60 minute, obtains pretreatment ureaformaldehyde；
（3）It is added to above-mentioned fulvic acid, sodium selenite mixing in the water of compound weight 100-140 times, rising high-temperature is
70-80 DEG C, insulated and stirred 30-40 minute, obtain organic selenium solution；
（4）Take above-mentioned montmorillonite powder, be added in the deionized water of its weight 40-50 times, ultrasonic 1-2 hour, organic with above-mentioned
Selenium solution mixes, and sends in 47-50 DEG C of water-bath, insulated and stirred 10-12 hour, discharging, and at 30-35 DEG C, 0.8-1MHz surpasses
Acoustically radiating shines 10-11 hour, adds above-mentioned pretreatment ureaformaldehyde, 100-200 rev/min of stirring 30-40 minute, suction filtration, by filter cake water
Wash 4-5 time, be vacuum dried 1-2 hour, cooling at 60-65 DEG C, mix with remaining each raw material, stir, obtain final product.
It is an advantage of the invention that：
The present invention, with yeast selenium as raw material, the Organic Selenium obtaining dispersion liquid is mixed with urea, formaldehyde, obtains pre-processing urea first
Then montmorillonite powder, organic selenium solution are mixed, obtain intercalated montmorillonite powder by ultrasound wave irradiation by aldehyde, last and pretreatment
Ureaformaldehyde combination drying, obtains selenium-rich slow release fertilizer.
Specific embodiment
A kind of Organic Selenium intercalation modifying ureaformaldehyde is sustained wheat fertilizer, and it is made up of the raw material of following weight parts：
Ammonium sulfate 2, magnesium sulfate 4, urea 60, formaldehyde 32, fulvic acid 2, sodium selenite 0.1, montmorillonite powder 15, calcium sulfate 2, phosphorus
Acid dihydride potassium 6, sodium tripolyphosphate 0.4, yeast selenium 1.
A kind of described Organic Selenium intercalation modifying ureaformaldehyde is sustained the preparation method of wheat fertilizer, comprises the following steps：
（1）Above-mentioned sodium tripolyphosphate is added in the deionized water of 20 times of its weight, stirs, add yeast selenium, 47
Insulated and stirred 7 minutes at DEG C, obtain Organic Selenium dispersion liquid；
（2）By above-mentioned urea, formaldehyde mixing, rise high-temperature and be 25 DEG C, insulated and stirred 20 minutes, drip formic acid, adjusting pH is 4,
Continue insulated and stirred 30 minutes, add above-mentioned Organic Selenium dispersion liquid, rise high-temperature and be 47 DEG C, insulated and stirred 40 minutes, obtain pre- place
Reason ureaformaldehyde；
（3）It is added to above-mentioned fulvic acid, sodium selenite mixing in the water of 100 times of compound weight, rising high-temperature is 70
DEG C, insulated and stirred 30 minutes, obtain organic selenium solution；
（4）Take above-mentioned montmorillonite powder, be added in the deionized water of 40 times of its weight, ultrasonic 1 hour, with above-mentioned organic selenium solution
Mixing, sends in 47 DEG C of water-bath, insulated and stirred 10 hours, discharging, at 30 DEG C, 0.8MHz ultrasound wave irradiation 10 hours, adds
Above-mentioned pretreatment ureaformaldehyde, 100 revs/min are stirred 30 minutes, and filter cake is washed 4 times by suction filtration, is vacuum dried 1 hour at 60 DEG C,
Cooling, is mixed with remaining each raw material, stirs, obtain final product.
Claims (2)
1. a kind of Organic Selenium intercalation modifying ureaformaldehyde sustained release wheat fertilizer is it is characterised in that it is by the raw material of following weight parts
Composition：
Ammonium sulfate 2-3, magnesium sulfate 4-6, urea 60-70, formaldehyde 32-40, fulvic acid 2-3, sodium selenite 0.1-0.2, illiteracy are de-
Native powder 15-20, calcium sulfate 2-3, potassium dihydrogen phosphate 6-9, sodium tripolyphosphate 0.4-1, yeast selenium 1-2.
2. a kind of Organic Selenium intercalation modifying ureaformaldehyde as claimed in claim 1 is sustained the preparation method of wheat fertilizer, its feature
It is, comprise the following steps：
（1）Above-mentioned sodium tripolyphosphate is added in the deionized water of its weight 20-23 times, stirs, add yeast selenium,
Insulated and stirred 7-10 minute at 47-50 DEG C, obtains Organic Selenium dispersion liquid；
（2）By above-mentioned urea, formaldehyde mixing, rise high-temperature and be 25-30 DEG C, insulated and stirred 20-30 minute, drip formic acid, adjust
PH is 4-5, continues insulated and stirred 30-40 minute, adds above-mentioned Organic Selenium dispersion liquid, rises high-temperature and is 47-50 DEG C, insulated and stirred
40-60 minute, obtains pretreatment ureaformaldehyde；
（3）It is added to above-mentioned fulvic acid, sodium selenite mixing in the water of compound weight 100-140 times, rising high-temperature is
70-80 DEG C, insulated and stirred 30-40 minute, obtain organic selenium solution；
（4）Take above-mentioned montmorillonite powder, be added in the deionized water of its weight 40-50 times, ultrasonic 1-2 hour, organic with above-mentioned
Selenium solution mixes, and sends in 47-50 DEG C of water-bath, insulated and stirred 10-12 hour, discharging, and at 30-35 DEG C, 0.8-1MHz surpasses
Acoustically radiating shines 10-11 hour, adds above-mentioned pretreatment ureaformaldehyde, 100-200 rev/min of stirring 30-40 minute, suction filtration, by filter cake water
Wash 4-5 time, be vacuum dried 1-2 hour, cooling at 60-65 DEG C, mix with remaining each raw material, stir, obtain final product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610816953.4A CN106396961A (en) | 2016-09-12 | 2016-09-12 | Organic selenium intercalation modified ureaformaldehyde controlled wheat release fertilizer and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610816953.4A CN106396961A (en) | 2016-09-12 | 2016-09-12 | Organic selenium intercalation modified ureaformaldehyde controlled wheat release fertilizer and preparation method thereof |
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| CN106396961A true CN106396961A (en) | 2017-02-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610816953.4A Pending CN106396961A (en) | 2016-09-12 | 2016-09-12 | Organic selenium intercalation modified ureaformaldehyde controlled wheat release fertilizer and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108530215A (en) * | 2018-07-17 | 2018-09-14 | 芜湖三月禾园艺设计有限公司 | A kind of yeast selenium cladding flowers slow-release fertilizer and preparation method thereof |
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| CN1123782A (en) * | 1995-07-12 | 1996-06-05 | 贾宏山 | Multi-element compound fertilizer |
| CN1491924A (en) * | 2002-10-25 | 2004-04-28 | 中国科学院沈阳应用生态研究所 | Humic acid long-acting compound fertilizer and its preparing method |
| CN104045486A (en) * | 2014-05-28 | 2014-09-17 | 马鞍山市心洲葡萄专业合作社 | Wheat dedicated composite coated fertilizer and preparation method thereof |
| CN104109049A (en) * | 2014-06-10 | 2014-10-22 | 铜陵市银树生态养殖有限责任公司 | A coated fertilizer rich in trace elements and a preparing method thereof |
| CN104355948A (en) * | 2014-10-23 | 2015-02-18 | 贵州省化工研究院 | Long-acting organic-inorganic compound fertilizer and production method thereof |
-
2016
- 2016-09-12 CN CN201610816953.4A patent/CN106396961A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1123782A (en) * | 1995-07-12 | 1996-06-05 | 贾宏山 | Multi-element compound fertilizer |
| CN1491924A (en) * | 2002-10-25 | 2004-04-28 | 中国科学院沈阳应用生态研究所 | Humic acid long-acting compound fertilizer and its preparing method |
| CN104045486A (en) * | 2014-05-28 | 2014-09-17 | 马鞍山市心洲葡萄专业合作社 | Wheat dedicated composite coated fertilizer and preparation method thereof |
| CN104109049A (en) * | 2014-06-10 | 2014-10-22 | 铜陵市银树生态养殖有限责任公司 | A coated fertilizer rich in trace elements and a preparing method thereof |
| CN104355948A (en) * | 2014-10-23 | 2015-02-18 | 贵州省化工研究院 | Long-acting organic-inorganic compound fertilizer and production method thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108530215A (en) * | 2018-07-17 | 2018-09-14 | 芜湖三月禾园艺设计有限公司 | A kind of yeast selenium cladding flowers slow-release fertilizer and preparation method thereof |
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Application publication date: 20170215 |
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