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Ceramic cyclone and preparation method thereof

A technology of cyclone and ceramics, which is applied in the structure and preparation of cyclone, can solve the problems of dust settlement, shedding, use restrictions, etc., and achieve the effect of easy settlement

Inactive Publication Date: 2013-08-07
江苏威航节能科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The cyclone of the commonly used cyclone separator is made of high chromium cast iron material. The helical blade and the inner wall of the cyclone tube are a combined structure. During operation, it is easy to be impacted by large particles of fuel and fall off. The dust is easy to settle from the gap, and the amount of wear is large. Short, generally need to be replaced in about 6 months, and the use in high temperature environment is limited

Method used

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  • Ceramic cyclone and preparation method thereof
  • Ceramic cyclone and preparation method thereof

Examples

Experimental program
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Effect test

Embodiment 1

[0024] (1) Preparation of embryo body: mix 15% Suzhou soil, 10% andalusite, 40% sodalite and 35% silica powder as raw materials, plus 1% tripolyphosphoric acid as the raw material Sodium, 0.5% disperse alumina ADW and 15% water, mix well, trap the material for 12 hours, shape, dry naturally, bake at 110°C for 24 hours, simmer at 900°C, heat preservation for 6 hours;

[0025] (2) Preparation of glaze: mix 15% Suzhou soil, 10% andalusite, 30% pyrophyllite and 45% fused silica as raw materials, plus 2% iron red and 5% potash feldspar , 1.5% sodium tripolyphosphate, 50% water, mixed with 500% alumina ceramic ball by volume, put it into the ball mill, ball mill for 36 hours, take out the glaze, and let it stand for 12 hours after passing the 2.5 mesh plug. Use a hydrometer to adjust the Baume degree to 65°, then stir evenly and set aside;

[0026] (3) Put the unfired embryo body in the glaze, take it out after the glaze is evenly applied inside and outside the embryo body, dry it natur...

Embodiment 2

[0029] (1) Preparation of embryo body: mix 25% Suzhou soil, 5% andalusite, 40% sodalite and 35% silica powder as raw materials, plus 1% dihydrogen phosphate Aluminum, 0.5% sodium phosphate and 12% water, mix uniformly, trap the material for 10 hours, shape, dry naturally, bake at 110°C for 18 hours, and bisque at 870°C for 5 hours;

[0030] (2) Preparation of glaze: mix 25% Suzhou soil, 20% andalusite, 5% pyrophyllite and 50% fused silica as raw materials, plus 3% iron red and 10% potash feldspar , 1.5% CMC (sodium carboxymethyl cellulose), 60% water, mixed with 550% alumina ceramic balls by volume, put them into the ball mill, ball mill for 36 hours, take out the glaze, and pass the 2.5 mesh plug Let it stand for 12 hours, adjust the Baume degree to 65° with a hydrometer, and then stir evenly for later use;

[0031] (3) Put the unfired embryo body in the glaze, take it out after the glaze is evenly coated inside and outside the embryo body, dry it naturally, bake it at a low temp...

Embodiment 3

[0034] (1) Preparation of embryo body: mix 25% Suzhou soil, 20% andalusite, 35% sodalite and 20% silica powder as raw materials, plus 1% CMC (carboxylate) Sodium methyl cellulose), 0.5% ADS, 10% water, mix well, trap the material for 8 hours, shape, dry naturally, bake at 110°C for 12 hours, simmer at 840°C, keep warm for 4 hours;

[0035] (2) Preparation of glaze: mix 25% Suzhou soil, 20% andalusite, 20% pyrophyllite and 35% fused quartz as raw materials, plus 3% iron red and 8% potash feldspar , 1.5% aluminum dihydrogen phosphate, 70% water, mixed with 450% alumina ceramic balls by volume, put them into a ball mill, ball mill for 36 hours, take out the glaze, and let it stand for 12 hours after passing through 2.5 mesh plugs. Use a hydrometer to adjust the Baume degree to 65°, then stir evenly and set aside;

[0036] (3) Put the unfired embryo body in the glaze, take it out after the glaze is evenly applied inside and outside the embryo body, dry it naturally, bake it at low tem...

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Abstract

The invention relates to a structure and a preparation method of a cyclone in a cyclone separator, in particular to a ceramic cyclone and a preparation method thereof. The ceramic cyclone comprises a cyclone pipe and a guide pipe which are made of ceramics, wherein the outer diameter of the guide pipe is less than the inner diameter of the cyclone pipe, the top of the guide pipe is arranged in the lower end of the cyclone pipe, a spiral blade is arranged in the cyclone pipe, a guide column is arranged at the lower end of the center of the spiral blade, and the guide column and the cyclone pipe are coaxial. The ceramic cyclone is made of ceramics, glaze is plated on the surface of the ceramic; argil and a refractory material are combined as a raw material to replace high-chromium cast iron, thus the ceramic cyclone is large in fracture toughness and resists heat; and compared with a high-chromium cast iron cyclone, the ceramic cyclone has the advantages of being small in abrasion amount and prolonged in service life. On the aspect of the structure, because the guide pipe and the guide column are provided, separated dust can surround the guide column and is easily settled.

Description

Technical field [0001] The invention relates to the structure and preparation method of a cyclone in a cyclone separator, in particular to a ceramic cyclone and a preparation method thereof. Background technique [0002] The cyclone separator is a key equipment for recycling the fuel of the boiler combustion equipment. It can effectively recover the unburned fuel and play a good role in energy saving and consumption reduction. The cyclone of the commonly used cyclone separator is made of high chromium cast iron. The spiral blades and the inner wall of the cyclone tube are combined structures, which are easily affected by the impact of large particles of fuel and fall off during operation. The dust is easy to settle in the gap, and the amount of wear is large. It is short, usually it needs to be replaced about 6 months, and its use in high temperature environment is restricted. At the same time, the structure has a spiral structure inside. After the flue gas is separated, the dus...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B04C5/103C04B33/13C04B41/86
Inventor 黄玉伟
Owner 江苏威航节能科技有限公司