White spirit vinasse classified rice hull removing method and organic liquid fertilizer base solution preparation method

A technology of white distiller's grains and rice husks, which is applied in the directions of organic fertilizers, fertilization devices, and solid waste removal, etc., can solve the problems of high content of rice husks that are difficult to degrade, high processing costs, and long degradation time, and can solve the problems of high content of rice husks. , moderate pH, to achieve the effect of fertilizer

Active Publication Date: 2016-08-24
INST OF AGRI RESOURCES & REGIONAL PLANNING CHINESE ACADEMY OF AGRI SCI
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Problems solved by technology

On the other hand, the most notable feature of rice husk is its high ash content (7%-9%) and high silica content (about 20%), and its nutritional value is extremely low. As the initial distiller's grain raw material for fertilizer utilization, it obviously cannot meet the needs of fertilizers, etc. At the same time, it also brings a series of problems such as complex process and high processing cost
[0003] At present, the separation technology of rice husk from distiller's grains cannot meet the production requirements of large-scale treatment and utilization of distiller's grains
Even the traditional bioengineering technology, such as bio-fermentation (composting) treatment technology, due to the high content of rice husk in distiller's grains, which is difficult to degrade, takes a long time to degrade, and organic carbon loss, etc., cannot meet the basic requirements of fertilization and utilization of distiller's grains

Method used

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  • White spirit vinasse classified rice hull removing method and organic liquid fertilizer base solution preparation method
  • White spirit vinasse classified rice hull removing method and organic liquid fertilizer base solution preparation method

Examples

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Embodiment 1

[0053] This embodiment is used to illustrate a kind of distiller's grains graded treatment and removes the rice husk isolate (the coarse distiller's grain of removing rice husk and the distiller's grain filtrate of removing rice husk) as raw material and prepares the method for organic liquid fertilizer base liquid, comprises the following steps:

[0054] (1) Remove rice husk: input water as the distiller's grains diluent into a buffer tank with stirring, start the agitator, and add the initial distiller's grains in batches (wherein, the rice husk content accounts for 50% of the total solid content, containing 60% water), stirred and mixed, diluted to 10% solid content of the initial distiller's grains dilution, pumped into LX-950-12 mesh filter centrifuge for primary filtration and separation. Among them, the "primary filter residue" (rice husk) enters the primary rice husk storage tank, and the primary filtrate enters the primary filtrate storage tank to be processed. The "p...

Embodiment 2

[0057] This embodiment is used to illustrate a kind of distiller's grains graded treatment and removes the rice husk isolate (the coarse distiller's grain of removing rice husk and the distiller's grain filtrate of removing rice husk) as raw material and prepares the method for organic liquid fertilizer base liquid, comprises the following steps:

[0058] (1) Remove rice husk: input ammoniacal liquor (ammonia content 18%) into the buffer tank with stirring as the initial distiller's grains diluent, start the agitator, add initial distiller's grains in batches (wherein the content of rice husk accounts for the solid 48% of the total amount, water content 55%), stirred and mixed, diluted to 20% solid content of the initial distiller's grain dilution, pumped into LX-950-16 mesh filter centrifuge for primary filtration and separation. Among them, the "primary filter residue" (rice husk) enters the primary rice husk storage tank, and the primary filtrate enters the primary filtrate ...

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Abstract

The invention discloses a white spirit vinasse classified rice hull removing method and a method for preparing an organic liquid fertilizer base solution with rice-hull-removed white spirit vinasse as a raw material. By the adoption of the methods, rice hulls can be removed from the white spirit vinasse containing the rice hulls, the rice-hull-removed white spirit vinasse is used for preparing an organic liquid fertilizer base solution product, and therefore the bottleneck problem about white spirit vinasse resource reuse is solved.

Description

technical field [0001] The invention relates to the field of resource recovery and utilization, in particular to a method for removing rice husks by classification with distiller's grains and a method for preparing an organic liquid fertilizer base liquid with the distiller's grains after removing the rice husks as a raw material. Background technique [0002] In the production of liquor, distiller's grains are the most important production waste. Take Maotai liquor as an example. At present, the Maotai Group discards about 100,000 to 150,000 tons of grains every year. Moutai Baijiu, as a model of Maotai-flavored wine, adopts the traditional wine-making process. Every year around the Double Ninth Festival, all the distiller's grains are thrown away, and all the distiller's grains are thrown away within 20 days. As a result, the collection of distiller's grains is highly seasonal, and the storage volume is large, making it difficult to centrally process. However, the local fe...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B09B3/00B09B5/00C05F5/00
CPCB09B3/00B09B5/00C05F5/008Y02A40/20Y02P20/10Y02W30/20
Inventor 王玉军
Owner INST OF AGRI RESOURCES & REGIONAL PLANNING CHINESE ACADEMY OF AGRI SCI
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