CN102515786A - Gravel-shaped attapulgite fireproof ceramsite - Google Patents

Gravel-shaped attapulgite fireproof ceramsite Download PDF

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Publication number
CN102515786A
CN102515786A CN2011103523445A CN201110352344A CN102515786A CN 102515786 A CN102515786 A CN 102515786A CN 2011103523445 A CN2011103523445 A CN 2011103523445A CN 201110352344 A CN201110352344 A CN 201110352344A CN 102515786 A CN102515786 A CN 102515786A
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fireproof
ceramsite
attapulgite
gravel
powder
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CN2011103523445A
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CN102515786B (en
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余兴南
金白云
许庆华
许盛英
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Nantong Haode Anti-Corrosion Equipment Co., Ltd.
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许庆华
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Abstract

The invention discloses a gravel-shaped attapulgite fireproof ceramsite. The key points of the technical scheme are as follows: the gravel-shaped attapulgite fireproof ceramsite is composed of high-viscosity attapulgite clay powder, attapulgite clay tailing powder, granulated blast furnace slag powder, iron tailing powder, coal gangue powder, bauxite tailing powder and diatomite tailing powder. After ingredients of the gravel-shaped attapulgite fireproof ceramsite are mixed, granulated, baked, cooled, crushed and screened, the obtained product is packaged to obtain the gravel-shaped attapulgite fireproof ceramsite. The gravel-shaped attapulgite fireproof ceramsite is a grain with an irregular shape and the grain is internally provided with a plurality of small air holes; and the gravel-shaped attapulgite fireproof ceramsite is the fireproof ceramsite which has the advantages of light weight, strong compressive strength, low coefficient of heat conductivity, high refractoriness, stable chemical performance, and good corrosion resistance and heat-preservation and sound-proof effects. The gravel-shaped attapulgite fireproof ceramsite can be produced by comprehensively utilizing a plurality of types of the tailings, so that the gravel-shaped attapulgite fireproof ceramsite is good for improving the resource utilization rate, changing wastes to valuable things, and protecting the environment; and the gravel-shaped attapulgite fireproof ceramsite is applicable to producing fireproof ceramsite concrete and heat-preservation and sound-proof materials.

Description

Rubble shape Attapulgite fire resistant ceramsites
Technical field
The present invention relates to haydite, be specifically related to a kind of rubble shape Attapulgite fire resistant ceramsites.
Background technology
Refractory concrete is a kind ofly can bear high temperature, and at high temperature keeps the special concrete of needed physics, mechanical property, and is formulated by a certain percentage by suitable gelling material, refractory aggregate, adulterant and water.
Refractory aggregate adopts dry slag, broken refractory brick, Irish touchstone, bauxitic clay grog, magnesite clinker etc. mostly.
Coal gangue is thrown aside, takies tract, and sulfide in the coal gangue is overflowed or leached can atmosphere pollution, farmland and water body, and waste dump also can the spontaneous combustion presence of fire, or in the avalanche in rainy season, silts the river up and cause disaster.
Mineral Resources in China 80% is for being total to associated minerals, and a large amount of valuable resources retain among the mine tailing, and tailings impoundment need take a large amount of soils.Exceed the time limit in a lot of mine tailing storehouses or sh is used, even violation operation, makes the mine tailing stock in great potential safety hazard, and the people's property and the life security of surrounding area caused serious threat.
Chinese patent publication number CN 101723688A, in open day on October 28th, 2008, name is called " boric sludge fire resistant ceramsites ", and it is a kind of aggregate---the fire resistant ceramsites that main raw material is made that boric sludge fire resistant ceramsites relates to boron mud.Mainly be not only to have taken up an area of but also contaminate environment for solving present boron mud; Problems such as existing boron mud ceramsite resistance to elevated temperatures difference are invented.The used raw material volume percent of the present invention is: boron mud accounts for that 75%-60%, magnesium slag account for 20%-30%, sticker accounts for 5%-10%.Working method is with various raw material pulverizing mixing and water addings, with balling-up mechanism ball, fires with rotary kiln then and forms.Advantage is: instead leca, high alumina haydite, and be used for boiler and build by laying bricks or stones and can improve burner hearth work-ing life, reduce burner hearth and build cost by laying bricks or stones, can also utilize this haydite to dispose various refractory concretes, refractory block, fire-resistant stopping composition etc.;
Above-mentioned patent is to use boron mud, magnesium slag and sticker to be the raw material production fire resistant ceramsites, and weak point is: the fire performance of these raw materials is not fine, uses boron mud, magnesium slag and sticker to be difficult to reach the quality standard of fire resistant ceramsites as the fire resistant ceramsites of raw material production.
Summary of the invention
The objective of the invention is to overcome weak point in the prior art, a kind of rubble shape Attapulgite fire resistant ceramsites is provided.
Rubble shape Attapulgite fire resistant ceramsites is made up of the sticking attapulgite clay powder of height, attapulgite clay mine tailing, GBFS, iron tailings powder, colliery powder, bauxite gangue powder and zeyssatite mine tailing.
The working method of rubble shape Attapulgite fire resistant ceramsites: the batching of rubble shape Attapulgite fire resistant ceramsites is packaged as rubble shape Attapulgite fire resistant ceramsites after mix, granulation, roasting, cooling, pulverizing and screening.
Attapulgite clay be a kind of layer of chain-like structure contain Shuifu County's zeopan clay mineral; The attapulgite clay soil property is fine and smooth, and water-absorbent is strong, tool viscosity and plasticity-when wet; Help the bonding between the raw material, can improve granule strength, sticking power and the porosity of rubble shape Attapulgite fire resistant ceramsites.
High sticking attapulgite clay powder is meant gets 28.0g attapulgite clay powder sample; Add in the suspension-s cup of impeller, add 372g water again, the suspension-s cup is placed on the impeller; Under 11000 rev/mins rotating speed, stirred 20 minutes; To pass through the high-speed stirring sample suspension again and pour in the beaker of 250ml, the viscosity of using NDJ-1 type rotational viscosimeter to test its suspension-s, tested viscosity value>=2200 MPasThe attapulgite clay powder be high sticking attapulgite clay powder, the height that the present invention selects for use glues attapulgite clay powder particles fineness≤0.074 millimeter.
Attapulgite clay can mix in recovery process has a certain amount of rubble and earth, can't sieve, and abandons as a kind of mine tailing, causes a large amount of wastings of resources, and the present invention pulverizes the attapulgite clay mine tailing and is mine tailing, particle fineness≤0.10 millimeter.
Blast furnace ironmaking fused slag flows directly in the pond and cools off, and has little time crystallization and the glass state material that forms, is granuliform granulated blast-furnace slag, is commonly called as grain slag; Granulated blast-furnace slag contains the oxide compound of calcium, silicon, aluminium, magnesium, manganese, iron etc.; Help improving the intensity and the fire performance of rubble shape Attapulgite fire resistant ceramsites; Granulated blast-furnace slag also has potential hydraulic gelling property, and the present invention selects particle fineness≤0.15 millimeter of GBFS for use.
Iron tailings is dressing-works remaining solid waste after selecting concentrate; It is a kind of composite minerals raw material; Its chemical ingredients is main with the oxide compound of iron, silicon, magnesium, calcium, aluminium mainly; Help improving the intensity and the fire performance of rubble shape Attapulgite fire resistant ceramsites, the mine tailing granularity that most of ore dressing is discharged is thinner, and the present invention selects particle fineness≤0.10 millimeter of iron tailings powder for use.
Coal gangue is the solid waste that discharges in coal mining process and the coal washing process; Be a kind of lower with a kind of carbon content of coal seam association in the coal-forming process, have a lower heating value; Carbon containing 20～30%; Can practice thrift partly coal, and form micropore at haydite, the present invention selects particle fineness≤0.15 millimeter of colliery powder for use.
Bauxite gangue aluminium sesquioxide content is higher, helps improving the intensity and the fire performance of rubble shape Attapulgite fire resistant ceramsites, the particle fineness of bauxite gangue powder≤0.5 millimeter.
Zeyssatite is fine and smooth, loose, light weight, porous, and specific surface area is big, and the space is regular distribution; Chemical property is stable, be a kind of natural nano aperture amorphous silicon material, but zeyssatite is made a low multiple use; The product of most enterprises comes from one-level soil, and two, three grades of regoliths are discarded in a large number, caused serious waste of resources; Also polluted environment, the present invention selects particle fineness≤0.10 millimeter of zeyssatite mine tailing for use.
The present invention is achieved through following technical proposals:
1, the batching of rubble shape Attapulgite fire resistant ceramsites is made up of following component by weight percentage: high sticking attapulgite clay powder 2～15%, attapulgite clay mine tailing 5～25%, GBFS 25～45%, iron tailings powder 1～25%, colliery powder 1～25%, bauxite gangue powder 1～15% and zeyssatite mine tailing 1～15%.
2, import the Squeezinggranulator granulation after the batching adding stirrer for mixing of the working method of rubble shape Attapulgite fire resistant ceramsites: ⑴ with rubble shape Attapulgite fire resistant ceramsites, particle diameter is controlled at 3～20 millimeters, and particle length is controlled at 20～40 millimeters; ⑵ the particle input internally heated type revolution roasting in kilns after with granulation, maturing temperature is controlled at 550～950 ℃, and roasting time was controlled at 1～6 hour; ⑶ pulverize to rubble shape particle in the particle input crusher after with roasting and sieve, particle fineness is controlled at 1～12 millimeter, is packaged as rubble shape Attapulgite fire resistant ceramsites.
Screening is in order to remove chip and the ashes that rubble shape Attapulgite fire resistant ceramsites produces in roasting and crushing process.
Because the granule strength after the granulation of the present invention is higher, when adopting the internally heated type rotary kiln to carry out roasting, maturing temperature is controlled at 750～950 ℃, and it is low to have sintering temperature, reduces energy consumption, the characteristics of the fast and low production cost of speed of cooling.
Rubble shape Attapulgite fire resistant ceramsites is erose particle, and the number of fine pore is arranged in the particle, be a kind of in light weight, ultimate compression strength is high, thermal conductivity is low, refractoriness is high, stable chemical performance, corrosion-resistant and fire resistant ceramsites that heat preservation and soundproof is effective.
The present invention fully utilizes multiple mine tailing and produces rubble shape Attapulgite fire resistant ceramsites, not only helps improving resource utilization, turns waste into wealth, and can also reduce land occupation, and protection environment and environment purification are to achieve many things at one stroke.
Rubble shape Attapulgite fire resistant ceramsites is applicable to produces fire resistant ceramsites concrete and heat-insulating and noise-insulating material.
Embodiment
Below in conjunction with embodiment the present invention is done further description:
1, the batching of rubble shape Attapulgite fire resistant ceramsites is made up of following component by weight percentage: high sticking attapulgite clay powder 5%, attapulgite clay mine tailing 24%, GBFS 36%, iron tailings powder 15%, colliery powder 12%, bauxite gangue powder 6% and zeyssatite mine tailing 2%.
2, import the Squeezinggranulator granulation after the batching adding stirrer for mixing of the working method of rubble shape Attapulgite fire resistant ceramsites: ⑴ with rubble shape Attapulgite fire resistant ceramsites, particle diameter is controlled at 16 millimeters, and particle length is controlled at 30～40 millimeters; ⑵ the particle input internally heated type revolution roasting in kilns after with granulation, maturing temperature is controlled at 800～900 ℃, and roasting time was controlled at 5 hours; ⑶ pulverize to rubble shape particle in the particle input crusher after with roasting and sieve, particle fineness is controlled at 3～6 millimeters, is packaged as rubble shape Attapulgite fire resistant ceramsites.

Claims (1)

1. rubble shape Attapulgite fire resistant ceramsites; It is characterized in that the batching of rubble shape Attapulgite fire resistant ceramsites is made up of following component by weight percentage: high sticking attapulgite clay powder 2～15%, attapulgite clay mine tailing 5～25%, GBFS 25～45%, iron tailings powder 1～25%, colliery powder 1～25%, bauxite gangue powder 1～15% and zeyssatite mine tailing 1～15%;
Import the Squeezinggranulator granulation after the batching adding stirrer for mixing of the working method of said rubble shape Attapulgite fire resistant ceramsites: ⑴ with rubble shape Attapulgite fire resistant ceramsites, particle diameter is controlled at 3～20 millimeters, and particle length is controlled at 20～40 millimeters; ⑵ the particle after with granulation, input internally heated type revolution roasting in kilns, maturing temperature is controlled at 550～950 ℃, and roasting time was controlled at 1～6 hour; ⑶ pulverize to rubble shape particle in the particle input crusher after with roasting and sieve, particle fineness is controlled at 1～12 millimeter, is packaged as rubble shape Attapulgite fire resistant ceramsites.
CN 201110352344 2011-11-10 2011-11-10 Gravel-shaped attapulgite fireproof ceramsite Active CN102515786B (en)

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Cited By (34)

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CN102863239A (en) * 2012-09-30 2013-01-09 许庆华 Attapulgite volcaniclastic rock high alumina refractory aggregate sand
CN102863232A (en) * 2012-09-30 2013-01-09 许庆华 Silicious refractory attapulgite volcaniclastic-rock aggregate sand
CN102863237A (en) * 2012-09-30 2013-01-09 许庆华 Argillaceous refractory attapulgite volcaniclastic-rock aggregate sand
CN102863203A (en) * 2012-10-27 2013-01-09 盱眙县东强新型建材厂 Production method of attapulgite coal ash ceramicite insulating plates
CN102863245A (en) * 2012-09-30 2013-01-09 许庆华 High-alumina attapulgite volcaniclastic-rock chamotte powder
CN102863234A (en) * 2012-09-30 2013-01-09 许庆华 High-alumina refractory attapulgite volcaniclastic-rock brick
CN102863244A (en) * 2012-09-30 2013-01-09 许庆华 High-alumina attapulgite volcaniclastic-rock raw material powder
CN102863204A (en) * 2012-10-27 2013-01-09 盱眙县东强新型建材厂 Attapulgite coal ash ceramicite insulating brick
CN102863230A (en) * 2012-09-30 2013-01-09 许庆华 Production method of argillaceous refractory attapulgite volcaniclastic-rock aggregate
CN102863238A (en) * 2012-09-30 2013-01-09 许庆华 Method for producing attapulgite volcaniclastic rock siliceous refractory aggregate
CN102863235A (en) * 2012-09-30 2013-01-09 许庆华 Method for producing attapulgite volcaniclastic rock light refractory aggregate
CN102863243A (en) * 2012-09-30 2013-01-09 许庆华 Production method of high-alumina refractory attapulgite volcaniclastic-rock aggregate
CN102863233A (en) * 2012-09-30 2013-01-09 许庆华 Silicious attapulgite volcaniclastic-rock raw material powder
CN102863240A (en) * 2012-09-30 2013-01-09 许庆华 Light refractory attapulgite volcaniclastic-rock brick
CN102863246A (en) * 2012-09-30 2013-01-09 许庆华 Light refractory attapulgite volcaniclastic-rock aggregate sand
CN102863231A (en) * 2012-09-30 2013-01-09 许庆华 Argillaceous attapulgite volcaniclastic-rock chamotte powder
CN102875166A (en) * 2012-09-30 2013-01-16 许庆华 Attapulgite and pyroclastic rock basic clinker powder
CN102875171A (en) * 2012-09-30 2013-01-16 许庆华 Attapulgite volcaniclastic rock siliceous chamotte powder
CN102875168A (en) * 2012-09-30 2013-01-16 许庆华 Attapulgite and pyroclastic rock basic firebrick
CN102875167A (en) * 2012-09-30 2013-01-16 许庆华 Attapulgite and pyroclastic rock light clinker powder
CN102875169A (en) * 2012-09-30 2013-01-16 许庆华 Attapulgite and pyroclastic rock heat-insulating refractory aggregate
CN102898177A (en) * 2012-11-22 2013-01-30 盱眙县东强新型建材厂 Attapulgite-shale refractory sintered porous brick
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CN106431225A (en) * 2016-09-19 2017-02-22 蒋文兰 Rubble-shaped light attapulgite ceramsite with air purification function
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CN106467408A (en) * 2016-09-19 2017-03-01 蒋文兰 Gravel has the mallee bark light ceramic of air purification function
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CN102863237B (en) * 2012-09-30 2014-03-26 许庆华 Argillaceous refractory attapulgite volcaniclastic-rock aggregate sand
CN102863245B (en) * 2012-09-30 2014-04-09 许庆华 High-alumina attapulgite volcaniclastic-rock chamotte powder
CN102863237A (en) * 2012-09-30 2013-01-09 许庆华 Argillaceous refractory attapulgite volcaniclastic-rock aggregate sand
CN102863238B (en) * 2012-09-30 2013-10-09 许庆华 Method for producing attapulgite volcaniclastic rock siliceous refractory aggregate
CN102863245A (en) * 2012-09-30 2013-01-09 许庆华 High-alumina attapulgite volcaniclastic-rock chamotte powder
CN102863234A (en) * 2012-09-30 2013-01-09 许庆华 High-alumina refractory attapulgite volcaniclastic-rock brick
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CN106431252A (en) * 2016-09-21 2017-02-22 蒋文兰 Production method of multifunctional quincuncial attapulgite lightweight through-hole ceramsite
CN106431259A (en) * 2016-09-22 2017-02-22 蒋文兰 Light gravel-shaped bagasse fly ash-containing ceramsite with air purification function

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