Preparation method of organic fertilizer through dry type high temperature anaerobic fermentation

Preparation method of organic fertilizer through dry type high temperature anaerobic fermentation

  • CN 105,418,176 A
  • Filed: 12/29/2015
  • Published: 03/23/2016
  • Est. Priority Date: 12/29/2015
  • Status: Active Application
First Claim
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1. prepare a method for organic fertilizer, it is characterized in that, comprise the steps:

  • (1) prepare mixed fermentation material;

    take paper mill sludge as raw material, or with the mixture of the organic matter in paper mill sludge and municipal wastes for raw material, regulate described raw material, make its water ratio be 50-55%, obtain fermentation materials;

    (2), after fermentation materials being mixed with complex microorganism preparations, in fermentation cabin, carry out high-temperature anaerobic fermentation reaction, obtain tunning;

    (3) tunning is shifted out fermentation cabin, carry out after-ripening drying, obtain after-ripening product;

    (4) after-ripening product pulverized and sieve, obtaining powdery after-ripening product;

    Described complex microorganism preparations is made up of according to the concentration ratio of 4-8;

    3-7;

    1.5-6.5;

    2-7;

    4-5;

    9-11;

    10-20 subtilis, milk-acid bacteria, yeast, bacillus megaterium, Mo Haiwei genus bacillus, bacillus cercus and bacillus pumilus.

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