Mo Laishi pledges manage of heat preservation brick changes function target gently

Mo Laishi pledges heat preservation brick belongs to product of fireproof and adiabatic heat preservation gently, just as its name implies, product of this kind of firebrick is in the main effect in industrial kiln furnace is to assure the temperature inside furnace, managing heat energy. Accordingly, we often pledge Molaishi gently heat preservation brick and union of heavy qualitative firebrick are used.


Mo Laishi pledges heat preservation brick is the tall aluminium that gives priority to brilliant photograph with Molaishi gently simple fireproof stuff. General alumina content is in 65% ～ 75% between. Mineral composition divides Molaishi outside, contain alumina among them inferior person still contain a few glass photographs and Fang Shiying; Contain alumina taller person still contain a few corundum.
Mo Laishi pledges heat preservation brick can be used at liner of furnace of high temperature kiln directly gently, use extensively already at the liner of shuttle type kiln, roller path kiln, glass and petro-chemical kiln furnace at present.
Mo Laishi pledges manage of heat preservation brick changes function target gently:

Brand		MQ-1350	MQ-1450	MQ-1500	JM-26	JM-28	JM-30	JM-32
Chemical	% 　 of Al2O3 　 ≥	55	60	65	58	67	73	77
Composition	% 　 of SiO2 　 ≤	43	38	33
	% 　 of Fe2O3 　 ≤	1	0.7	0.7	0.7	0.6	0.5	0.4
Use temperature for a long time		1350	1400	1500	1430	1540	1650	1760
(classify temperature) ℃
Bulk density G/cm3		0.8-1.0	0.8-1.0	0.8-1.0	0.8	0.9	1	1.25
≥ of MPa of intensity of normal temperature compression		3	4	5	1.6	2.1	2.5	3.5
Weigh ≤ of % of the change that burn a line		4h of 1350 ℃ ×	4h of 1400 ℃ ×	4h of 1500 ℃ ×	24h of 1400 ℃ ×	24h of 1510 ℃ ×	24h of 1620 ℃ ×	24h of 1730 ℃ ×
		0.5	0.5	0.5	0.4	0.5	0.9	0.9
W/m.k of coefficient of thermal conductivity ≤		350 ℃	350 ℃	350 ℃	1200 ℃	1200 ℃	1200 ℃	1200 ℃
		0.4	0.4	0.4	0.35	0.41	0.47	0.56

Brick of Mo Laishi heat preservation because its chemistry structure, have so following 6 character:
1, rate of low heat conduction, have effect of very good adiabatic heat preservation;
2, low hot frit, because low heat conduction is led, mo Laishi series pledges gently the heat energy with adiabatic brick very few save up, energy-saving in intermittent operation effect is apparent;
3, matter content is low have the oxide content such as alkali metal of low-down iron box, accordingly, fireproof degree tall; The higher volume that contain aluminium makes its still maintain good performance below reducing atmosphere;
4, intensity of hot condition compression is high;
5, exterior dimension essence is accurate, accelerate build by laying bricks or stones to build career, reduce fireproof mud to use an amount, assured the intensity of body of build by laying bricks or stones and stability, prolong the life of liner thereby;
6, can process special form, seam in order to reduce number of brick of build by laying bricks or stones and build by laying bricks or stones.


These character of brick of because Molaishi is light qualitative heat preservation, what our OK and very good observation gives it is fireproof degree taller, can amount to 1790 ℃ above. Loading bate begins ～ of temperature 1600 1700 ℃ . Intensity of normal temperature compression 70 ～ 260MPa. Heatproof shake sex is good.
Mo Laishi pledges heat preservation brick manufactures technology according to its gently, have agglomeration at present Mo Laishi brick and electric frit Mo Laishi brick two kinds:
1, agglomeration Mo Laishi brick is main raw material with tall aluminous aluminous grog, join a few clay or unripe alumina to make bond, via shaping, firing and make.
2, electric frit Mo Laishi brick is raw material with alumina of tall alumina, industry and fireproof clay, join charcoal or coke granule to make reducer, law of reductive report frit is used to make after shaping.


These two kinds of means make brick of heat preservation of made-up Mo Laishi, the crystallization of electric frit Mo Laishi is bigger than agglomeration Mo Laishi, heatproof shake sex is better than agglomeration goods. Their high temperature capability basically depends on the uniformity that the content of alumina and glass of Mo Laishi get along with distributing. Basically use at lining of blind angle of system of splitting decomposition of kiln of agglomeration of regenerator of kiln of frit of shaft of hot-blast stove roof, blast furnace and hearth, glass, pottery and porcelain, oil to wait.
The production of dedicated and fireproof material mixes flourish Cheng Naicai research and development, we are on the technical research and development of brick of light to Molaishi qualitative heat preservation the Gao Shui that is in an industry all the time is accurate. Branch of manufacturing research and development pledges in the light of Molaishi the raw material of heat preservation brick undertakes optimizing abstracting gently, add scientific manufacturing technology, the Molaishi that production gives pledges heat preservation brick is on function of fireproof and adiabatic heat preservation gently quite outstanding.