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Fermentation process for producing expanded calcium fertilizer from oyster shells

A technology of expanded calcium fertilizer and fermentation process, which is applied in the direction of organic fertilizer, fertilization equipment, climate change adaptation, etc., can solve the problem of low nutrient content, achieve the effect of increasing nutrient content and organic matter content

Inactive Publication Date: 2021-02-23
天津胜恩生物科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to provide a fermentation process for producing expanded calcium fertilizer from oyster shells to solve the technical problem in the prior art that the calcium fertilizer produced from oyster shells has a low content of nutrients for plant absorption

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  • Fermentation process for producing expanded calcium fertilizer from oyster shells

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Embodiment Construction

[0018] In order to make the purpose, technical solution and advantages of the present invention clearer, the technical solution of the present invention will be described in detail below. Apparently, the described embodiments are only some of the embodiments of the present invention, but not all of them. Based on the embodiments of the present invention, all other implementations obtained by persons of ordinary skill in the art without making creative efforts fall within the protection scope of the present invention.

[0019] Specific embodiments of the present invention will be described in detail below with reference to the accompanying drawings. In the drawings, the same reference numerals represent the same or corresponding technical features. The drawings are for illustration purposes only and are not necessarily drawn to scale.

[0020] Step S1: crushing the oyster shells and extruding the crushed oyster shells through an extruding equipment at a high temperature of 12...

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Abstract

The invention provides a fermentation process for producing an expanded calcium fertilizer from oyster shells, relates to the technical field of agricultural fertilizers, and aims to solve the technical problem that the content of nutritional ingredients for plants to absorb in the calcium fertilizer prepared from the oyster shells in the prior art is relatively low. The method comprises the following steps: crushing oyster shells, and extruding and puffing the crushed oyster shells through puffing equipment at a high temperature of 120-160 DEG C; blending fermentation auxiliary materials, andstirring and mixing the fermentation auxiliary materials with the puffed oyster shell powder; carrying out high-temperature aerobic fermentation on the mixed oyster shell powder; and carrying out low-temperature anaerobic fermentation on the oyster shell powder subjected to high-temperature aerobic fermentation. The fermentation process is used for increasing the content of nutritional ingredients in the oyster shell calcium fertilizer.

Description

technical field [0001] The invention relates to the technical field of aquaculture waste fertilizer processing, in particular to a fermentation process for producing expanded calcium fertilizer from oyster shells. Background technique [0002] Oyster shells are rich in trace elements such as calcium and phosphorus, and rich in organic matter. They are excellent raw materials for organic fertilizers and calcium fertilizers. The utilization rate of oyster shells in the prior art is not high. The main reason is that the main component is the structure of calcium carbonate. Stable and not easy to decompose naturally, untreated oyster shells are difficult to provide dissolved mineral elements for plants, and artificial crushing is costly for the organic fertilizer industry, which limits the application of oyster shells in the field of organic fertilizers. Contents of the invention [0003] The purpose of the present invention is to provide a fermentation process for producing e...

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Application Information

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IPC IPC(8): C05F15/00C05F17/20C05F17/50C05F1/02
CPCC05F1/005C05F1/02C05F17/20C05F17/50C05F5/002C05F5/008Y02W30/40Y02A40/20
Inventor 陈胜思
Owner 天津胜恩生物科技有限公司