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Method for preparing fertilizer from marine resources

A technology for preparing fertilizers and marine resources. It is applied in the direction of organic fertilizers, inorganic fertilizers, ammonium salt fertilizers, etc. It can solve problems such as high cost, complicated operation, and ocean damage, and achieve the effect of expanding replication, preventing soil compaction, and good air permeability

Inactive Publication Date: 2017-09-08
潮州市东饶科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

These marine plants grow extremely fast in the natural coast, and when they reach a certain density, they will affect the navigation of fish boats, affect the reproduction of fish seedlings, and cause varying degrees of damage to the ocean.
Because marine plants contain a large amount of organic matter, crude protein, trace elements, fibers, alginic acid and other substances, if they can be utilized, they can be used as crop fertilizers. At present, the existing technology of using seaweed processing as fertilizers has many procedures, complicated operations, The cost is high, and the nutrients in the seaweed cannot be effectively retained, and the obtained seaweed fertilizer is not effective

Method used

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  • Method for preparing fertilizer from marine resources
  • Method for preparing fertilizer from marine resources
  • Method for preparing fertilizer from marine resources

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] The present invention is a kind of method that utilizes marine resource to prepare fertilizer, mainly has the following steps:

[0023] (1) grabbing marine plants;

[0024] (2) The salvaged marine plants are left idle for 12 hours for preliminary drying;

[0025] (3) Chopped and crushed marine plants that have been preliminarily dried to prepare for drying. The area of ​​each piece of chopped marine plants is 20cm 2 ;

[0026] (4) Enter the high-speed centrifuge for dehydration to form semi-dry marine plants with a water content below 20%. The high-speed centrifuge rotates at 12,000 rpm and centrifuges for 3 minutes;

[0027] (5) Put the dehydrated marine plants into the dryer, and use countercurrent air flow to draw out the wet air to achieve the purpose of drying. The moisture content of the dried material is below 8%;

[0028] (6) Adjust the PH value of the dried marine plants with hydrochloric acid to make the PH value 5.3, in preparation for adding phosphorus, n...

Embodiment 2

[0032] The present invention is a kind of method that utilizes marine resource to prepare fertilizer, mainly has the following steps:

[0033] (1) grabbing marine plants;

[0034] (2) The salvaged marine plants are left idle for 12 hours for preliminary drying;

[0035] (3) Chopped and crushed marine plants that have been preliminarily dried to prepare for drying. The area of ​​each piece of chopped marine plants is 25cm 2 ;

[0036] (4) Enter the high-speed centrifuge for dehydration to form semi-dry marine plants with a water content below 20%. The high-speed centrifuge rotates at 12,000 rpm and centrifuges for 3 minutes;

[0037] (5) Put the dehydrated marine plants into the dryer, and use countercurrent air flow to draw out the wet air to achieve the purpose of drying. The moisture content of the dried material is below 8%;

[0038] (6) Adjust the pH value of the dried marine plants with hydrochloric acid to make the pH value 5, in preparation for adding phosphorus, nit...

Embodiment 3

[0042] The present invention is a kind of method that utilizes marine resource to prepare fertilizer, mainly has the following steps:

[0043] (1) grabbing marine plants;

[0044] (2) The salvaged marine plants are left idle for 12 hours for preliminary drying;

[0045] (3) Chopped and crushed marine plants that have been preliminarily dried to prepare for drying. The area of ​​each piece of chopped marine plants is 30cm 2 ;

[0046] (4) Enter the high-speed centrifuge for dehydration to form semi-dry marine plants with a water content below 20%. The high-speed centrifuge rotates at 12,000 rpm and centrifuges for 3 minutes;

[0047] (5) Put the dehydrated marine plants into the dryer, and use countercurrent air flow to draw out the wet air to achieve the purpose of drying. The moisture content of the dried material is below 8%;

[0048] (6) Adjust the PH value of the dried marine plants with hydrochloric acid to make the PH value 5.3, in preparation for adding phosphorus, n...

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PUM

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Abstract

The invention provides a method for preparing fertilizer from marine resources. The method utilizes a technical route of marine plant collection, cutting and pressing, physical dehydration, drying, dried marine plant acidification, N, P and K addition, and detection. The method realizes reasonable combination of dried marine plant, N, P and K, has simple processes and realizes a low cost. The fertilizer contains a variety of trace elements and is suitable for soil trace element supplement and plant trace element absorption. Through being applied to the field, the fertilizer can loosen soil in the dry garden, air permeability of the plant root system is good and soil hardening is effectively prevented. The fertilizer is conducive to the growth of beneficial microorganisms in the soil, expands the reproduction and produces a certain natural fertility.

Description

technical field [0001] The invention relates to the technical field of crop fertilizers, in particular to a method for preparing fertilizers from marine resources. Background technique [0002] At present, there are a large number of marine plants growing in the shallow stretches of some coastlines, including seagrass, large brown algae, sargassum, black seaweed, macroalgae, dulse, sea fork, Ulva, sea wormwood and other marine plants. These marine plants grow extremely fast in the natural coast, and when they reach a certain density, they will affect the navigation of fishing boats, affect the reproduction of fish seedlings, and cause varying degrees of damage to the ocean. Because marine plants contain a large amount of organic matter, crude protein, trace elements, fibers, alginic acid and other substances, if they can be utilized, they can be used as crop fertilizers. At present, the existing technology of using seaweed processing as fertilizers has many procedures, compl...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C05G3/00C05G3/04C05G3/80
CPCC05B17/00C05G3/00C05G3/80C05C3/00C05D1/02C05D5/00C05F11/00
Inventor 张义盼陈在佴张松发江静云张明斌邱淑荣
Owner 潮州市东饶科技有限公司
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