Method for preparing silicic acid-calcium fertilizer and its special furnace

A technology of silicic acid and fertilizer, applied in the direction of calcium fertilizer, inorganic fertilizer, application, etc., can solve the problems of complex production process and high cost of silicon fertilizer

Inactive Publication Date: 2006-07-26
左明才
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] What this invention aims to solve is the problem that the cost of existing silicon fertilizer is relatively high and the production process is too complicated. It provides a method for preparing monocalcium silicate fertilizer with low manufacturing cost and simple process and its special melting furnace.

Method used

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  • Method for preparing silicic acid-calcium fertilizer and its special furnace

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0009] Embodiment 1: the method for preparing this monocalcium silicate fertilizer, 1. use the fine white sand and lime water slurry that the glass factory cleans the raw material discharge to mix with 2: 1 by weight percentage, after manual or machine stirring, be processed into fine white sand ② put the fine white sand, calcium carbonate stones and coke into the high-temperature furnace for smelting according to the weight percentage of 2:1:1. , the smelting temperature is above 3000°C, and the monocalcium silicate solution can be obtained continuously; ③ After the monocalcium silicate solution is cooled, it is crushed into granules, and the monocalcium silicate fertilizer can be obtained.

[0010] The special melting furnace used in this invention is made up of furnace body 1, hot air belt 2, air blower 3, observation hole 4, cooling pool 5, and furnace body 1 has upper feed port 6 and lower outlet outlet 7, below the lower outlet outlet 7 is Cooling pond 5, observation hol...

Embodiment 2

[0012] Embodiment 2: the method for preparing this monocalcium silicate fertilizer, 1. use the fine white sand and lime water slurry that the glass factory cleans the raw material discharge to mix with 2: 1 by weight percentage, after manual or machine stirring, be processed into fine white sand ②Put fine white sand, calcium carbonate stones, and coke into the high-temperature furnace for smelting according to the weight percentage of 2:1:1. The total weight of each time is 80 kg. , the smelting temperature is above 3000°C, and the monocalcium silicate solution can be obtained continuously; ③ After the monocalcium silicate solution is cooled, it is crushed into granules, and the monocalcium silicate fertilizer can be obtained. Others are the same as in Embodiment 1, omitted here.

Embodiment 3

[0013] Embodiment 3: the method for preparing this monocalcium silicate fertilizer, 1. use the fine white sand and lime water slurry that the glass factory cleans the raw material discharge to mix with 2: 1 by weight percentage, after manual or machine stirring, process into fine white sand ② Put the fine white sand, calcium carbonate stones and coke into the high-temperature furnace for smelting according to the weight percentage of 2:1:1. , the smelting temperature is above 3000°C, and the monocalcium silicate solution can be obtained continuously; ③ After the monocalcium silicate solution is cooled, it is crushed into granules, and the monocalcium silicate fertilizer can be obtained. Others are the same as in Embodiment 1, omitted here.

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Abstract

The invention relates to a preparation method for the calcium silicate with the special furnace, which comprises: 1) mixing and stirring the fine white sand discharged from glass factory and limewater slurry by weight ratio as 2: 1 to prepare fine white sand block; 2) putting the former product, CaCO3 carpolite and coke by weight ratio as 2: 1: 1 and total weight as 50~100kg into the high-temperature smelting furnace of 3000Deg or more every 8~12min, and obtaining continually the calcium silicate solution; 3) cooling the said solution to crush into particle and obtain the final product with 55~60% silicon and 35~40% calcium to increase food crop production up to 20~30% and the vegetable production up to 50%. This invention reduces the cost with simple process.

Description

technical field [0001] The invention relates to an agricultural fertilizer, specifically a method for preparing monocalcium silicate fertilizer and a special melting furnace thereof. Background technique [0002] Poaceae food crops are silicon-calcium-loving crops. Silicon can enhance the stress resistance of plants, improve the efficiency of photosynthesis, and help plants stand upright. And the existing silicon fertilizer production method, its cost is higher, and production process is complicated. Contents of the invention [0003] The invention aims to solve the problems of high cost and complicated production process of the existing silicon fertilizer, and provides a method for preparing monocalcium silicate fertilizer with low production cost and simple process and its special furnace. [0004] Solve its technical problem and adopt technical scheme: prepare the method for this monocalcium silicate fertilizer, 1. use the fine white sand and lime water slurry that the...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C05D3/00C05D3/02C05D9/00
Inventor 左明才
Owner 左明才
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