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Mixed water pretreatment method for sintering production

A technology of mixing water and pretreatment, which is applied in the field of water treatment and can solve problems such as mixing, uneven wetting, and poor results

Inactive Publication Date: 2021-02-19
潍坊海扬磁水处理设备有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Ordinary industrial water has a large cluster structure at room temperature, and has a large surface tension. A series of functions such as raw materials being wetted by water during the mixing process need to be completed in a short period of time, and the mixing and wetting are not uniform, so the effect is not very good.

Method used

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  • Mixed water pretreatment method for sintering production
  • Mixed water pretreatment method for sintering production
  • Mixed water pretreatment method for sintering production

Examples

Experimental program
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Effect test

Embodiment 1

[0033] A method for pretreatment of mixed water for sintering production, comprising the following steps,

[0034] 1. The water is magnetized through the catalytic magnetic water processor 100 to form magnetized water; the catalytic magnetic water processor 100 is installed on the water supply pipeline, and the flow rate in the water supply pipeline is 0-35m 3 / h, magnetic flux intensity 6000GS, temperature 0-80°C.

[0035] 2. Mix and add MBC-Z type functional additive in magnetized water, the MBC-Z type functional additive is an aqueous solution, and its concentration is controlled between 45%; the MBC-Z type functional additive is in the In the state of stirring in the stirring tank 300, it is injected into the magnetized mixed water pipeline through the high-pressure delivery pump 400, and the high-pressure injection flow rate is controlled at 0.5L-1.5L / min.

[0036] 3. The mixed water is sprayed into the sintered mixture in the primary mixer 200 .

[0037] Among them, th...

Embodiment 2

[0039] A method for pretreatment of mixed water for sintering production, comprising the following steps,

[0040] 1. The water is magnetized through a catalytic magnetic water processor to form magnetized water; a magnetizer is installed on the water supply pipeline, and the flow rate in the water supply pipeline is 0-35m 3 / h, magnetic flux intensity 6000GS, temperature 0-80°C.

[0041] 2. Mix and add MBC-Z type functional additive in the magnetized water, the MBC-Z type functional additive is an aqueous solution, and its concentration is controlled between 50%; the MBC-Z type functional additive is in the In the state of stirring in the stirring tank, it is injected into the magnetized mixed water pipeline through the high-pressure delivery pump, and the high-pressure injection flow rate is controlled at 0.5L-1.5L / min.

[0042] 3. Spray the mixed water into the sintered mixture in the primary mixer.

[0043] Among them, the specific formula of the MBC-Z functional additive ...

Embodiment 3

[0046] A method for pretreatment of mixed water for sintering production, comprising the following steps,

[0047] 1. The water is magnetized through a catalytic magnetic water processor to form magnetized water; a magnetizer is installed on the water supply pipeline, and the flow rate in the water supply pipeline is 0-35m 3 / h, magnetic flux intensity 6000GS, temperature 0-80°C.

[0048] 2. Mix and add MBC-Z type functional additive in magnetized water, the MBC-Z type functional additive is an aqueous solution, and its concentration is controlled between 30%; the MBC-Z type functional additive is in the In the state of stirring in the stirring tank, it is injected into the magnetized mixed water pipeline through the high-pressure delivery pump, and the high-pressure injection flow rate is controlled at 0.5L-1.5L / min.

[0049] 3. Spray the mixed water into the sintered mixture in the primary mixer.

[0050] Among them, the specific formula of the MBC-Z functional additive is...

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Abstract

The invention provides a mixed water pretreatment method for sintering production, which comprises the following steps: magnetizing water through a catalytic magnetic water treater to form magnetizedwater; adding an mBCZ type functional auxiliary into the magnetized water for mixing, wherein the MBCZ type functional auxiliary is an aqueous solution, and the concentration of the MBCZ type functional auxiliary is controlled to range from 30% to 50%; and spraying the mixed water into the sintering mixture in a primary mixer. According to the invention, the mixing and granulating effects of the sinter are improved, the water content of the mixture is reduced, the combustion reaction of the powdered coke and pulverized coal is enhanced, and the air permeability of the sinter layer is improved,so that the aims of improving the sinter yield and reducing the sinter solid fuel consumption are fulfilled.

Description

technical field [0001] The invention relates to the technical field of water treatment, in particular to a method for pretreatment of mixed water for sintering production. Background technique [0002] Iron-containing powder sintering and agglomeration technology is a mature technology with the widest application, the highest efficiency and the largest production capacity in the long-process production of iron and steel. In sintering production, iron fine powder, rich ore powder, flux, coal powder, coke powder, and other iron-containing raw materials are mixed and granulated to form a sintering mixture and enter the sintering process. The quality of the mixing and granulation process has a great influence on the sintering process and technical and economic indicators. Under other constant conditions, the mixed water for sintering production becomes the key factor in this process. Ordinary industrial water has a large cluster structure at room temperature, and has a large s...

Claims

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Application Information

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IPC IPC(8): C02F9/04
CPCC02F1/481C02F1/488C02F1/72C02F2303/08C02F2303/22
Inventor 杨淑兰
Owner 潍坊海扬磁水处理设备有限公司
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