Macroelement water-soluble fertilizer containing polymorphic nitrogen and preparing method of macroelement water-soluble fertilizer

A technology of a large number of elements and polymorphic nitrogen, which is applied in fertilizer mixtures, fertilization devices, applications, etc., can solve the problem that urea and nitrate nitrogen materials cannot be directly mixed, and achieve good effect of inhibiting fertilizer dissolution, capillary adsorption, and water solubility. , the effect of preventing soil compaction

Active Publication Date: 2015-12-09
唐山滦胜农业科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Another object of the present invention is to complete the ammonification of potassium nitrate, ammonium dihydrogen phosphate and potassium dihydrogen phosphate in the drying process by adding ammonia

Method used

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  • Macroelement water-soluble fertilizer containing polymorphic nitrogen and preparing method of macroelement water-soluble fertilizer

Examples

Experimental program
Comparison scheme
Effect test

Example Embodiment

[0028] The preparation method of the macro-element water-soluble fertilizer containing polymorphic nitrogen includes the following steps:

[0029] (1) Urea crushing: crush urea to 100-120 mesh;

[0030] (2) Material mixing: The metered potassium nitrate, ammonium dihydrogen phosphate, potassium dihydrogen phosphate, magnesium nitrate, water-soluble high molecular polymer and the urea prepared in step (1) are added to the mixing mixer through the microcomputer batching system. The ammonia water is vaporized and passed into the material layer of the mixing mixer according to the proportion, and the uniform mixing time is 3 to 5 minutes;

[0031] (3) Drying and ammoniating: the mixed material enters the dryer, and the drying temperature is used to complete the ammoniating treatment of potassium nitrate, ammonium dihydrogen phosphate, and potassium dihydrogen phosphate. The temperature of the outlet gas of the dryer is controlled at 50℃-60℃ , The drying time is 15-20min, and the moistur...

Example Embodiment

[0035] Example 1: 14-20-25 high potassium water-soluble fertilizer, taking 1 ton of product raw material consumption quota as an example:

[0036] Raw material name: input amount (kg) nitrate nitrogen% ammonium nitrogen% amide nitrogen%P2O5%K2O%

[0037] Urea 1296.0

[0038] Ammonia: 892.2

[0039] Potassium nitrate: 3504.916.1

[0040] Ammonium dihydrogen phosphate: 1101.36.7

[0041] Potassium dihydrogen phosphate: 26513.39.0

[0042] Magnesium nitrate: 17

[0043] Polyacrylamide: 20

[0044] Polyacrylate: 20

[0045] Total: 10004.93.56.020.025.1

[0046] After measuring by a microcomputer, it will be crushed to 100-120 mesh urea (containing N46.2%, mass percentage, the same below) 129 kg, potassium nitrate (containing N14%, K2O46%) 350 kg, ammonium dihydrogen phosphate (containing N12%, P2O561%) 110 kg, potassium dihydrogen phosphate (containing P2O550%, K2O34%) 265 kg, magnesium nitrate 17 kg, polyacrylamide 20 kg, polyacrylate 20 kg, add ammonia (containing N25%) to the mixer After 89 ...

Example Embodiment

[0047] Example 2: 20-30-10 high-phosphorus water-soluble fertilizer, taking 1 ton of product raw material consumption quota as an example:

[0048] Raw material name: input amount (kg) nitrate nitrogen% ammonium nitrogen% amide nitrogen%P2O5%K2O%

[0049] Urea 28513.2

[0050] Ammonia: 461.2

[0051] Potassium nitrate: 1031.44.7

[0052] Ammonium dihydrogen phosphate: 3654.422.3

[0053] Potassium dihydrogen phosphate: 1557.85.3

[0054] Magnesium nitrate: 10

[0055] Polyacrylamide: 20

[0056] Polyacrylate: 16

[0057] Total: 10001.45.613.230.110.0

[0058] After measuring by a microcomputer, it will be crushed to 100-120 mesh urea (containing N46.2%, mass percentage, the same below) 285 kg, potassium nitrate (containing N14%, K2O46%) 103 kg, ammonium dihydrogen phosphate (containing N12%, P2O561%) 365 kg, potassium dihydrogen phosphate (containing P2O550%, K2O34%) 155 kg, magnesium nitrate 10 kg, polyacrylamide 20 kg, and polyacrylate 16 kg are added to the mixing mixer, and ammonia (cont...

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Abstract

The invention discloses macroelement water-soluble fertilizer containing polymorphic nitrogen and a preparing method of the macroelement water-soluble fertilizer. The macroelement water-soluble fertilizer containing polymorphic nitrogen comprises, by mass, 12%-30% of urea, 4%-10% of ammonia water, 10%-35% of potassium nitrate, 10%-38% of ammonium dihydrogen phosphate, 15%-28% of monopotassium phosphate, 1%-2% of magnesium nitrate and 3%-5% of water-soluble polymerized substance. Due to the fact that the ammonia water is added, ammoniation of potassium nitrate, ammonium dihydrogen phosphate and monopotassium phosphate in the drying process is completed, the technological problem that the urea and a nitrate nitrogen material cannot be directly mixed is solved, and a product cannot be agglomerated by generated urea phosphate during storage. The final product contains nitrate nitrogen, ammonium nitrogen and amide nitrogen, the granular structure of soil is increased through the water-soluble polymerized substance, and the effects of preventing the soil from hardening and improving the soil are achieved.

Description

technical field [0001] The invention belongs to the technical field of chemical fertilizers, and in particular relates to a water-soluble fertilizer of a large number of elements containing polymorphic nitrogen and a preparation method thereof. The final product contains nitrate nitrogen, ammonium nitrogen and amide nitrogen. Background technique [0002] The nutrient release of traditional chemical fertilizers is too fast, and the effective utilization rate of fertilizers is low. Long-term large-scale application of chemical fertilizers not only increases crop production, but also brings great negative impacts on soil, crops and the environment. Studies have shown that conventional chemical fertilizers concentrate a large amount of nutrients and release them quickly in the early stage of application. Loss, or even reduce crop production due to burning seedlings; compared with traditional compound fertilizers, compound fertilizers, slow-release fertilizers and other fertili...

Claims

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Application Information

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IPC IPC(8): C05G3/00C05G3/04C05G3/80
Inventor 李云利郭超坤李聪
Owner 唐山滦胜农业科技有限公司
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