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Compound fertilizer taking silt or sludge as base fertilizer and manufacturing method thereof

A production method and compound fertilizer technology, which are applied in the field of compound fertilizers, can solve problems such as unsatisfactory compound fertilizer technical solutions, and achieve the effects of low production cost, production cost reduction, and pollution reduction.

Inactive Publication Date: 2011-04-06
肖建生
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, the technical scheme of the existing compound fertilizer is not ideal yet.

Method used

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Embodiment Construction

[0009] The present invention will be further described in detail below in conjunction with the embodiments.

[0010] Embodiments of the present invention: A compound fertilizer using sludge or sludge as the base fertilizer of the present invention is prepared by mixing sludge with nitrogen, phosphorus and potassium. The proportions are respectively 70 to 80 parts by weight of sludge, 4-10 parts of nitrogen, 4-10 parts of phosphorus and 4-10 parts of potassium; the sludge can be replaced by sludge, or mixed with sludge, the mixing ratio of sludge and sludge can be arbitrarily matched according to the production situation.

[0011] In specific production, it is produced according to the method for producing compound fertilizer with silt or sludge as the base fertilizer of the present invention, that is, the silt or sludge collected from lakes, rivers, ponds, swamps, sewers or sewage treatment plants The sludge is dehydrated and crushed to obtain dry sludge raw materials or sludge ...

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Abstract

The invention discloses compound fertilizer taking silt or sludge as base fertilizer and a manufacturing method thereof. The method comprises the steps of: dehydrating and crushing the silt or sludge collected from a lake, a river, a pool, a swale, a sewer or a sewage treatment plant to obtain dry silt raw material or sludge raw material or mixed raw material of silt and sludge; weighting and putting 70-80 parts of silt raw material, 4-10 parts of nitrogen raw material, 4-10 parts of carbon raw material and 4-10 parts of potassium raw material in an agitator, adding 10-20 parts of water, and agitating to obtain the compound fertilizer raw material; molding the compound fertilizer raw material into particles; and drying the particles to obtain the compound fertilizer taking silt or sludge as base fertilizer. The compound fertilizer taking silt or sludge as base fertilizer not only has the advantage of low manufacturing cost, but also has the advantages of effectively and abundantly utilizing the silt or sludge waste as production raw material so as to turn waste into wealth, and effectively reducing the pollution caused by the silt or sludge to the environment.

Description

technical field [0001] The invention relates to a compound fertilizer using sludge or sludge as a base fertilizer and a preparation method thereof, belonging to the technical field of compound fertilizers. Background technique [0002] At present, there are many types of compound fertilizers in the prior art, but these compound fertilizers are mainly made of nitrogen, phosphorus, potassium and other raw materials. The disadvantages are that the production cost is high and the existing sludge waste cannot be effectively used for production. To solve this problem, a technical scheme titled "A Method for Producing Compound Fertilizer Using Urban Sludge" and application number "200910064590.3" has been disclosed in Chinese patent documents. % of the sludge is crushed into granules, and then industrial sulfuric acid is added to the above sludge according to 18-22% of the weight of the sludge, and then 200 mesh phosphate rock powder is added to the sludge according to 30-35% of th...

Claims

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Application Information

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IPC IPC(8): C05G1/00C05F7/00
CPCY02A40/20
Inventor 肖建生曹广
Owner 肖建生
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