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Preparation method for chitin-rich compound fertilizer

A technology of compound fertilizer and chitin, which is applied in the direction of fertilizer mixture, fertilization device, application, etc., can solve the problems of limited application and high price, and achieve the effect of enhancing leaf photosynthesis, low cost, and abundant raw material sources

Active Publication Date: 2014-12-24
QINGDAO LILIHUI BIOTECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, the shells of crustaceans such as shrimps and crabs are mostly used. Although the shells of shrimps and crabs are rich in chitin, the price is relatively high, which limits the application in agriculture.

Method used

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  • Preparation method for chitin-rich compound fertilizer
  • Preparation method for chitin-rich compound fertilizer

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] A preparation method of a compound fertilizer rich in chitin, comprising the steps of:

[0025] Select magnesium oxide, pulverize through a 60-mesh sieve to obtain medium element powder, and set aside; select zinc oxide, ferrous oxide, copper oxide, manganese oxide, boric acid, and pulverize respectively through a 60-mesh sieve, and press zinc oxide 60%, ferrous oxide 10%, 5% copper oxide, 5% manganese oxide, and 20% boric acid are mixed evenly to obtain trace element powder, which is set aside; select cellulase and protease, and mix evenly according to the ratio of cellulase 67% and protease 33%, to obtain a compound Enzyme, spare; preparation of compound enzyme solution: pre-activate the above compound enzyme with the ratio of cellulase: protease = 2:1 with warm water (35-40°C) according to the compound enzyme: warm water mixing ratio of 1:80 , the activation time is 30 minutes, ready to use;

[0026] Chitin preparation: select the mycelium residue of wet basis (wate...

Embodiment 2

[0034] A preparation method of a compound fertilizer rich in chitin, comprising the steps of:

[0035]Select calcium oxide, pulverize through a 60-mesh sieve to obtain medium element powder, and set aside; select zinc oxide, ferrous oxide, copper oxide, manganese oxide, and boric acid, and pulverize them through a 60-mesh sieve respectively, and press zinc oxide 70%, ferrous oxide 5%, copper oxide 5%, manganese oxide 5%, and boric acid 15% were mixed evenly to obtain trace element powder, which was set aside; select cellulase and protease, and mix evenly according to the ratio of 50% cellulase and 50% protease to obtain compound Enzyme, spare; preparation of compound enzyme solution: pre-activate the above compound enzyme with the ratio of cellulase: protease = 2:1 with warm water (35-40°C) according to the compound enzyme: warm water mixing ratio of 1:80 , the activation time is 30 minutes, ready to use;

[0036] Chitin preparation: select the mycelium residue of wet basis (...

Embodiment 3

[0044] A preparation method of a compound fertilizer rich in chitin, comprising the steps of:

[0045] Select magnesium oxide and calcium oxide, pulverize them through a 60-mesh sieve, respectively, to obtain medium element powder, and set aside; select zinc oxide and boric acid, pulverize them through a 60-mesh sieve, and mix them uniformly according to the ratio of 70% zinc oxide and 30% boric acid to obtain trace element powder. Elemental powder, spare; select cellulase, protease, mix evenly according to the ratio of cellulase 67% and protease 33%, obtain compound enzyme, reserve; compound enzyme liquid preparation: mix the above-mentioned cellulase: protease=2:1 ratio A certain amount of compound enzyme is pre-activated with warm water (35-40°C) according to the compound enzyme: warm water mixing ratio of 1:80, and the activation time is 30 minutes. It is prepared and used immediately;

[0046] Chitin preparation: select the mycelium residue of wet basis (water content 60%...

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Abstract

The invention discloses a preparation method for chitin-rich compound fertilizer. The preparation method for the chitin-rich compound fertilizer includes steps that 1, preparing raw materials; 2, preparing compound enzyme liquid; 3, preparing chitin; 4, preparing chelating micro-element; 5, mixing chitin master batch with inorganic nutrient and stirring uniformly, adding to a rotor drum granulator, spraying adhesive, granulating, sieving and packaging to obtain the chitin-rich compound fertilizer. The preparation method for the chitin-rich compound fertilizer uses compound enzyme preparation to process biologically fermented industrial mycelium residue, the industrial mycelium residue is used with inorganic fertilizer to provide comprehensive nutrition nutrient to better promote the plant growth and development, the fertilizing times is reduced, and the labor force is saved; the biologically fermented industrial waste changes the current problem of single chitin source, and the biologically fermented industrial waste can be greatly used for compound fertilizer production and is good for large-scale factory production; the production is easy to perform, and the raw material cost and production cost are lowered so that the compound fertilizer has more competitive advantages; the compound fertilizer is functional and good for upgrading enterprise products.

Description

technical field [0001] The invention relates to a preparation method of a compound fertilizer, in particular to a preparation method of a chitin-rich compound fertilizer. Background technique [0002] my country's citric acid production capacity accounts for about 70% of the world, and its annual output accounts for about 65% of the world. my country is the world's largest citric acid producer. At present, my country's citric acid production has reached 1 million tons. Every ton of citric acid produced produces 2.1 to 2.3 tons of mycelium waste residue (wet residue), about 1.2 tons of calcium sulfate (dry residue). Long-term storage of mycelium residues, especially under high temperature conditions in summer, will produce unpleasant gas, and the sewage generated after the autolysis of the bacteria will also seriously pollute the environment, so it is usually landfilled or burned in a boiler, which causes pollution. It will not produce any value. Although some manufacturers ...

Claims

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Application Information

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IPC IPC(8): C05G3/00
Inventor 张涛王大伟黄志明王丽宁王凌云
Owner QINGDAO LILIHUI BIOTECH
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