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Preparation method of boron mud based sintered brick

A technology of sintered bricks and boron mud, which is applied in the field of building materials and can solve problems such as poor mechanical properties of boron mud sintered bricks

Inactive Publication Date: 2018-06-19
周荣
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The technical problem mainly solved by the present invention is: Aiming at the problem of poor mechanical properties of traditional boron mud sintered bricks, a preparation method of boron mud based sintered bricks is provided

Method used

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Examples

Experimental program
Comparison scheme
Effect test

example 1

[0022] In terms of parts by weight, take 80 parts of steel slag and 40 parts of kerosene in turn, pour them into No. 1 ball mill tank, and add zirconia ball mill beads according to the mass ratio of balls to materials at 25:1, and after ball milling for 4 hours, discharge to obtain 1 No. 1 ball abrasive, and the obtained No. 1 ball abrasive is moved into pure oxygen, ignited with an open flame, and the combustion residue is collected after the combustion is completed; in parts by weight, 80 parts of boron mud, 15 parts of magnesia, 40 parts of powder Coal ash, 500 parts of water, 100 parts of nutrient solution, and 10 parts of Bacillus pasteurianus were poured into a fermenter, and the temperature was 35°C, and the rotation speed was 200r / min. Under the conditions of constant temperature stirring and fermentation for 48h, a fermentation homogenate was obtained, and Transfer the obtained fermented homogenate to a rotary evaporator, and concentrate under reduced pressure for 4 ho...

example 2

[0024]In parts by weight, 80 parts of boron mud, 15 parts of magnesia, 40 parts of fly ash, 500 parts of water, 100 parts of nutrient solution, and 10 parts of Bacillus pasteurian are successively poured into a fermenter and heated at a temperature of 35 °C, the rotation speed is 200r / min, and the temperature is stirred and fermented for 48h to obtain a fermentation homogenate, and the obtained fermentation homogenate is transferred to a rotary evaporator, and the temperature is 80 °C, the pressure is 600kPa, and the rotation speed is 100r / min. Concentrate under reduced pressure for 4 hours to obtain concentrated fermentation homogenate; in parts by weight, add 10 parts of rare earth oxide, 8 parts of boron oxide, 150 parts of concentrated fermentation homogenate, 30 parts of carbon black, 1.5 parts of Catalyst, and add zirconia ball milling beads according to the mass ratio of ball to material at 30:1, ball milling and mixing for 5 hours, and discharge to obtain No. 2 ball mil...

example 3

[0026] In terms of parts by weight, take 80 parts of steel slag and 40 parts of kerosene in turn, pour them into No. 1 ball mill tank, and add zirconia ball mill beads according to the mass ratio of balls to materials at 25:1, and after ball milling for 4 hours, discharge to obtain 1 No. ball abrasive, and the gained No. 1 ball abrasive is moved into pure oxygen, ignited with an open flame, and the combustion residue is collected after the combustion is finished; by weight parts, 80 parts of boron mud, 40 parts of fly ash, and 500 parts are successively taken Water, 100 parts of nutrient solution, and 10 parts of Bacillus pasteuriani were poured into a fermenter, and stirred and fermented at a constant temperature for 48 hours at a temperature of 35°C and a rotational speed of 200r / min to obtain a fermented homogenate, and the obtained fermented homogenate Transfer to a rotary evaporator, under the conditions of temperature 80°C, pressure 600kPa, and rotation speed 100r / min, co...

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Abstract

The invention discloses a preparation method of a boron mud-based sintered brick, and belongs to the technical field of building materials. Steel slag and kerosene are firstly mixed, ball-milled, andburnt in pure oxygen, and combustion residue is collected; boron mud, magnesia, fly ash, water, a nutrient solution and Bacillus bacillus are mixed for fermentation to obtain fermented homogenate, thecombustion residue, a rare earth oxide, boron oxide, the fermented homogenate, carbon black and a catalyst are ball-milled and mixed to obtain a ball abrasive, and the ball abrasive is extruded, molded, dried at a low temperature, sintered twice in an argon gas protected state at different temperature conditions, cooled in a furnace to room temperature, and discharged to obtain the boron mud-based sintered brick. The boron mud-based sintered brick obtained by the method has excellent mechanical properties.

Description

technical field [0001] The invention discloses a method for preparing boron mud-based sintered bricks, which belongs to the technical field of building materials. Background technique [0002] Boron mud is the waste residue produced from the production of boric acid, borax and other products. It is off-white, yellow-white powdery solid, alkaline, containing boron oxide and magnesium oxide and other components, commonly known as "boron mud". The storage and disposal of boron mud not only occupies a large amount of land, but also alkalizes the soil near the storage yard and causes the migration and transformation of boron, resulting in environmental pollution. [0003] Boron mud is the product of borax and boric acid produced by chemical plants. Every ton of product has to discharge 3-4 tons of boron mud on a dry basis. The annual discharge of boron mud in the country is more than 1 million tons. Nearly 10 million tons of boron mud have been piled up in Liaoning Province alon...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B33/138C04B33/132C04B33/135C04B33/13
CPCC04B33/131C04B33/1321C04B33/1328C04B33/1352C04B33/138C04B2235/3206C04B2235/3224C04B2235/3225C04B2235/3227C04B2235/3229C04B2235/3409C04B2235/424C04B2235/96Y02P40/60
Inventor 周荣许永博张淼
Owner 周荣
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