Díchriptigh Méid na Stroighne i gCoincréite Foam

What are the raw materials of coincréit cúr?

Is iad na príomhchodanna de choincréit cúr ná stroighin, fuinseog eitilt, múch shilice, snáithín, srl. Some proportions have more cement content, and some proportions have less cement proportions, so specific problems must be analyzed in detail. Because foamed concrete is mostly cured under normal temperature conditions, agus cuirtear méid mór cúr leis, these two factors determine that its cement ratio will be higher.

What is ALC?

ALC is the abbreviation of autoclaved lightweight concrete, which is a kind of high-performance autoclaved aerated concrete (ALC). ALC board is made of fly ash (or silica sand), stroighin, aoil, srl. mar na príomh-amhábhair, and is cured by high-pressure steam to form a porous concrete sheet (containing processed steel reinforcement). ALC board can be used as wall material and roof panel. It is a new type of building material with superior performance. ALC board first appeared in Europe, and Japan, Europe and other regions have more than 40 years of production and application history. Faoi láthair, the production technology and production equipment of domestic manufacturers are mainly imported from Japan and Germany.

Foam concrete is fundamentally different from ALC. Because ALC adopts autoclave, braitheann sé go príomha ar imoibriú hiodráitithe fuinseog eitilt agus aoil faoi theas ard agus brú chun geiliú a tháirgeadh. Cement is an auxiliary material.

While foam concrete is produced at room temperature, the active microaggregate will not quickly produce hydration reaction, agus braitheann a cúr soladach fós ar éifeacht stroighne stroighne. Dá bhrí sin, the mixing ratio of foamed concrete must be cement as the main body, agus Cóimheas ard stroighne.

Faoi imthosca gnáth, the amount of cement should account for more than 30% de mhéid iomlán na n-ábhar tirim, agus 30% should be the minimum use amount for its normal temperature curing. Nuair a dhoirteadh ar an suíomh, ba chóir an cion de stroighne cuntas níos mó ná 60% de na hábhair thirim iomlána. Le haghaidh coincréit cúr teocht gnáth le dlús thíos 600 kg/m3, níor chóir go mbeadh an cion de stroighne níos lú ná 70% den ábhar iomlán. Nuair a bhíonn an dlús thíos 400 kg/m3, the conventional proportion should account for more than 90% den ábhar tirim iomlán.

The following factors should be considered in the design of cement ratio:

(1) An éagsúlacht stroighne. Cineálacha stroighne le neart ard luath agus déanach (cosúil le stroighin Portland dé-tapa) is féidir leis an cion de stroighne a laghdú go cuí, agus ba cheart go n-ardódh cineálacha stroighne le neart déanach íseal nó neart luath íseal an cion stroighne;

(2) Grád neart stroighne. High-strength grade cement (ar nós 42.5, 52.5, srl.) can reduce the proportioning amount, agus ba cheart go n-ardódh stroighin ghrád íseal-neart a mhéid comhréireach;

(3) Cáilíocht stroighne. For large plants’ new dry-process rotary kiln cement, the mixing ratio can be appropriately reduced, while for small plants, shaft kiln cement or cement with a large mixing ratio should be appropriately increased;

(4) Density and strength requirements of the product. Ba cheart go n-ardódh ceanglais dlús íseal nó neart níos airde an cóimheas stroighne, is féidir le ceanglais ard-dlúis nó neart níos ísle an cóimheas stroighne a laghdú;

(5) Initial growth temperature. An teocht curing tosaigh tar éis stealladh (ag stealladh) is ísle (<25°C). The proportion of cement should be increased. When the initial curing temperature is high (25℃-45℃), the proportion of cement can be appropriately reduced. If steam curing or autoclave is used, it is still strong to reduce the proportion of cement;

(6) Variety and activity of active micro-aggregate (mheascán). Is féidir le húsáid micrea-chomhiomláin ardghníomhaíochta an cion stroighne a laghdú (cosúil le slaig ultra-fíneáil), agus úsáid á baint as micrea-chomhiomláin ghníomhaíochta íseal (mar luaith eitilt tánaisteach) is féidir cur leis an cion de stroighne.

Is é Cie-China.org an príomhsholáthraí breiseán cúr coincréite a sholáthraíonn gníomhaire cúrála coincréite, superplasticizer,feabhsaitheoir neart coincréit cúr le haghaidh coincréit éadrom, Bloic CLC. Má tá tú ag lorg gníomhaire cúradh, bíodh leisce ort déan teagmháil linn.