Want to have the place of furnace only, use fireproof data.
Fireproof and pouring makings and firebrick are high temperature resistant material, it is the material in the quantity with industrial kiln commonly used furnace, one belongs to adventitious fireproof material, one is belonged to finalize the design fireproof material, is phase of two kinds of data compared under what advantage to have? Fireproof and pouring expecting is the compound that becomes by the graininess material of different grain and cementing material configuration, it is certain to when using, be joined proportional water mixes, shape, the calm profile stuff that gets after sclerosis, belong to avoid agglomeration product; Firebrick is shape by the pug classics of different material, fire of dry, high temperature and into, belong to agglomeration goods.
But with pouring makings or ability firebrick, but basically firebrick goods still is first selection. The occasion that uses alkalescent and fireproof liner in great majority (dolomite is qualitative, magnesian qualitative, magnesian carbon is qualitative, magnesian chromium is qualitative) , the metropolis is preferential use firebrick goods.
Of cement rotary kiln firing take and transfer belt, smelt nonferrous metal (copper, lead, zinc) lining. Normally, traditional habit is having conclusive effect, this is why firebrick goods still is used at the furnace liner that designs according to the tradition.
In recent years, fireproof and pouring makings use not only make new adventitious fireproof liner, and be used as to repair by abundantly and safeguard the fireproof liner in enlisting in army.
Fireproof and pouring makings have a variety of construction methods, include to have vibration and without vibration (do as one pleases expects) pouring, gush fills, pound hit and press. Means of a few construction has been become and will become continuously fireproof and pouring the main construction means of makings.
Fireproof and pouring expecting is to form jointless liner actually, definite figure has been when be being used. About pouring a typical case of the patulous application of makings is steel the adventitious that uses on the bag fireproof and pouring the liner of makings develops. In principle, steel bag liner can be divided for adventitious model fireproof and pouring expect and finalize the design firebrick goods, material pledges for tall aluminium character (neuter) or alkalescent. With pouring expect the adventitious that makes is fireproof and pouring makings liner is main simple stuff of tall aluminium of bureau be confined to, finalize the design goods can be neuter or basic material. Had undertaken a large number of jobs be developed in order to try hard alkalescent and pouring makings.
In finalize the design in goods, the certain and negative performance that is aimed at magnesia brick expands like heat lead the tall, aggressivity that fight broken bits difference, carbon was joined in constituent. Zuo is qualitative pouring join a quantity effectively of the carbon in makings to had not decided reasonably, this is one restricts MgO—C pouring the element that expects wide success is applied. However, mix as high-powered low cement super- low cement is pouring the development of makings, adventitious liner had acquired more and more significant position on steel bag.
Fireproof and pouring there is main effect in the makings maintenance in kiln furnace, because can be in,this is the shortest the implementation inside shutdown period is repaired large-scaly, can be even below certain circumstance in unit process of cargo bandling implementation is repaired. Use adventitious when the choice model fireproof and pouring when makings or traditional firebrick lining, adventitious fireproof and pouring the fast construction of makings (use new bond) and dry and heat of time shorten brings advantage will have main effect.
Usually, intensity of firebrick early days is inferior to pouring makings, but in 1200 ℃ above, pouring expect as the brick. And have cast place like some, mix like mouth of cement kiln kiln a few irregular place, must use pouring makings.
1, production of tall aluminous aggregate is fireproof and pouring makings do not need the huge machine that press a brick and firing hot project facilities, the factory covers an area of an area small, accordingly, facility cost and capital construction investment all are compared low;
2, the sources of energy is used up little, it is the 1/15~1/20 of firebrick only;
3, labor intensity is low, manufacturing efficiency compares firebrick tall 3~8 times;
4, finished product facilitates store and carry, can realize mechanization to build furnace, the tall 5~15 that applies labor efficiency to compare bricklaying times;
5, can aleatoric modelling, make integral line system, can raise 30%~150% of its service life, some is as high as severalfold; Do not have juncture at the same time, air-tightness is good, heat loss due to radiation is little, but many managing energy resources;
6, can repair kiln furnace, prolong its service life, raise furnace exercise to lead. Accordingly, tall aluminous aggregate got rapid development in adventitious fireproof material.
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