Fireproof mud sort is various, press normally fireproof spend cent of on any account to be common and fireproof pug (580 ～ 1250 ℃ ) , intermediate and fireproof pug (℃ of 1300 ℃ ~1770) advanced and fireproof material (2000 ℃ of 1770 ～ ) with fancy and fireproof material (2000 ℃ above) ; By chemical character cent is acidity and fireproof material, neuter and fireproof material and alkalescent and fireproof material. In addition, useful still the fireproof mud at special situation.
Fireproof mud uses as when juncture material, its quality actors or actress bad has quite big effect to the quality of body of build by laying bricks or stones. It can adjust bricky on size error and not neat appearance, mix in order to make body of build by laying bricks or stones neat bear is balanced, can make body of build by laying bricks or stones forms adamancy and close whole, prevent fluid of gas, melt in order to resist the destruction of outside force is mixed invade. When fireproof mud serves as coating, can raise bricklaying body to fight the high temperature capability such as broken bits ability, conduce to the service life that prolongs body of heater. The outside inside body of Tu Yu bricklaying leaves in normal temperature, be together with bricklaying body agglomeration in high temperature use process.
General to the main demand of fireproof slop, towardFireproof mudWater or aqueous solution or tar are added in, tone becomes slop. Fireproof slop must have good liquidity and plasticity, facilitating construction; Necessary cohere sex should be had after construction and sclerosis, in order to make sure with body of build by laying bricks or stones or base the knot is whole, make have resistance outside force and be able to bear or endure the action that gas, broken bits erodes: Have as identical as body of build by laying bricks or stones or base material or those who comparative is chemical composition, lest different capable person pledges a chemical reaction that produces harm sex, avoid to be in from fireproof mud layer above all corrode caustic; Due the linear expansion sex with body of build by laying bricks or stones or base material close, lest be broken away from each other, make burst of fireproof mud layer: Bulk wants to stabilize, in order to assure the integral sex of body of build by laying bricks or stones and covering layer and close sex.
Fireproof mud basically uses phosphate at phosphate to combine the build by laying bricks or stones of the tall aluminous brick, phosphatic wear-resisting brick, brick such as cyanite to build. The dissolvent that fireproof mud uses phosphate is the industrial phosphoric acid that chroma is 85 ％ , wen Shui uses before using 1: 1 dilute becomes the rare phosphoric acid of 42.5 ％ , again with 30 ％ - the quantity of 40 ％ joins phosphate in fireproof mud, tone becomes the consistency of need.
Phosphate is fireproof of mud make up must shift to an earlier date 8—24h and mud. Enter powdery makings acid-proof container inside (the) inside water jar or acid-proof appliance, add rare acid, person specially assigned for a task is responsible, ceaseless agitate, make phosphoric acid andFireproof mudSufficient reaction (can have transgression of a lot of bleb right now, have pungent odour) , get rid of next foreign matter, make its are not had equably piece, become rare glue state finally. If temperature is too low, agitate not divide evenly, the meeting inside the crock has very thick precipitation layer, create waste. When environmental temperature under 20 ℃ when, had better be in all round add lukewarm, make slop temperature achieves 40 ℃ left and right sides, 65 ～ are used when perhaps making up fireproof mud 90 ℃ hot water. When fireclay of use excel in or add in fireclay when having binder, can follow along with agitate with.
In choose argillaceous firebrick before furnace of build by laying bricks or stones, the manufacturer can be needed to be purchased probably in cipher out of the nucleus in plan of furnace of build by laying bricks or stones amount,
When build by laying bricks or stones builds argillaceous brick, if be made up by oneself,stick earthy and fireproof mud, desirable clinker: Give birth to makings =70% : 30% .
Clinker is horniness saggar is gotten via high temperature to calcine, also can use useless brick, after classics is molar can. Raw material is light qualitative saggar.
If want calculation all sorts of composition of fireproof mud, want to want foregone place the weight of fireproof mud only, era enters formula (1) formulary (2) can.
(1) X 70% of weight of fireproof mud of clinker weight =
(2) X 30% of weight of fireproof mud of = of raw material weight
Should use T- - 3 mark brick (230x114x65mm) when undertaking build by laying bricks or stones is built. Should memorize following number:
1.Every saggar brick weighs 3.7kg
2.Brick of every tons of saggar is 270 about
3.Build by laying bricks or stones builds brick of every tons of clay to need fireproof mud 76kg about
4.Build by laying bricks or stones builds every stere body of build by laying bricks or stones needs 594 bricks about
5.Build by laying bricks or stones builds every stere body of build by laying bricks or stones needs 2.2 tons of bricks about
Fireproof mud basically can divide it is the following kinds:
A. Casting sex fireclay: Also call gas to coagulate sexual fireclay. Use in kiln head burner, do protection fireproof layer, fireproof Hu is made expect in the certain part of warm-up machine, undertake construction with the means of form a vesicle commonly
B. Insulating properties fireclay: Use at kiln carapace metabolic planar place has repair level, the top that perhaps is used at cooling machine does heat insolation
C. Fireproof mud: Call heat to coagulate again sexual fireclay, basically be use when bricklaying, when using fireproof sludge, must want to add vitreous water to undertake agitate (
Siliceous natrium
, water, naSiO3, H2O) .
General DiDOTECT 135(is able to bear or endure 1350 degrees of high temperature of above) , SK34 is used in kiln end.
DiDOTECT 150(is able to bear or endure the high temperature) of 1500 degrees of above, SK35 is used when high temperature
Couprit 160H, basically use the place in mouth of coal of kiln head gush (Kiln Burner Head)
Couprit 135h, basically use in warm-up machine and cooling machine.
About fireproof mud, fireproof slop, fireclay, the price of high temperature puddle, the different price that also wants material according to place also somewhat difference, basically seeing us is to use build by laying bricks or stones to build what kind of brick, market price case from hundreds of to thousands of differ, the case that specific basis uses actually will decide.
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