The board-like furred ceiling refratory insulating brick of super wide kiln
Technical field
The utility model relates to a kind of thermal kiln furnace refratory insulating brick, relates in particular to the improvement of super wide thermal kiln furnace dome brick structure.
Background technology
High temperature thermal kiln furnace is the important Thermal Equipment that is widely used in the industries such as pottery, mechanical thermal processing, metal smelt and coal tar.In order to improve production capacity, reduce energy consumption, or in order to adapt to the actual needs such as heat treatment of large workpiece, occurred again having at present the kiln of ultra-wide combustion chamber, its width at 10 meters even more than 10 meters.
The kiln top of existing Industrial Stoves is mostly two kinds of structures, the one, adopted arch kiln top, with refractory material building block or refractory brick, in the upper end of kiln flank wall, assemble in opposite directions, form the circular arc kiln top of arch, this structure is mainly applicable in the not too wide kiln of burner hearth; The 2nd, adopt suspension type open hearth roof construction, being hexahedral suspended roof brick is suspended on the steel framework of furnace roof by suspender member, gap between every block of suspended roof brick is filled and is built by laying bricks or stones with high-temperature agglomerant again, because its refractory heat-insulating effect depends on material and the thickness of suspended roof brick, thereby suspended roof brick has larger overall volume, this suspension type furnace roof is relatively adapted to the construction needs compared with wide combustion chamber.In ultra-wide combustion chamber kiln, because furnace roof steel framework is bearing heavier suspended roof brick weight, steel framework is under high temperature and corrosive gas long term, steel framework inevitably there will be sagging, then cause gaping of joints between suspended roof brick, flame or red-hot gas are altered from gap, bad, thermal losses increase that boiler roof sealing effect becomes, not only directly affect the thermal efficiency of kiln, the serious waste energy, and the generation of acceleration kiln top cave-in accident, therefore existing top construction makes its restricted width, and combustion space is difficult to increase.
Utility model content
For the existing above-mentioned deficiency of prior art, technical problem to be solved in the utility model is to provide and a kind ofly can realizes ultra-wide combustion chamber span, and the board-like furred ceiling refratory insulating brick of the super wide kiln of good seal performance.
In order to solve the problems of the technologies described above, the board-like furred ceiling refratory insulating brick of super wide kiln of the present utility model, comprises suspended roof brick plate body, and described suspended roof brick plate body is platy structure, on suspended roof brick plate body, be provided with hanging hook, in the two side ends of suspended roof brick plate body, be respectively arranged with and connect tenon and be connected tongue-and-groove.
Super wide kiln top plate type furred ceiling refratory insulating brick of the present utility model, because suspended roof brick plate body is plank frame, greatly alleviated on the one hand the weight of self, make furnace roof steel framework can suspend more suspended roof brick in midair, thereby realize the super wide span of burner hearth, adopt on the other hand this plank frame to make again can fill above it the refractory fibrous material of more light weights, guarantee the fire-resistant and heat-insulating property of furnace roof.Owing to being provided with and hanging structure on suspended roof brick plate body, the suspention of being convenient to suspended roof brick body is installed again, and this hanging hook combines with board-like brick body, has also greatly alleviated the overall weight of furnace roof, is beneficial to the super wide span that realizes burner hearth.Also the two side ends due to suspended roof brick plate body is respectively arranged with connection tenon and is connected tongue-and-groove, when suspended roof brick is built by laying bricks or stones, between adjacent board-like brick body with tenon and the intermeshing connection of tongue-and-groove, between dome brick brick body, engagement is tight like this, good integrity, strong in conjunction with connection power, engagement place between brick body is not easy to crack, there is fabulous sealing property, can effectively block the thermals source such as high-temperature flue gas, flame along the infiltration in gap and alter logical, even in high temperature or cooling situation, brickwork joint generation contraction or expansion also there will not be alters fire; At brick plate top, lay again refractory fiber blanket, more effectively stablize and strengthened integrality and the sealing of kiln, reach ideal heat insulating effect, existing lighter furred ceiling weight, super wide furred ceiling span, has strengthened again furnace thermal efficiency, extends kiln service life.
A kind of preferred embodiment of the present utility model, described suspended roof brick plate body is list structure, is provided with two hanging hooks that are oppositely arranged at this above suspended roof brick plate body.This structure more can realize the large span of burner hearth, furnace roof, and suspended roof brick body lifting construction is convenient, and structure is more firmly stable.
Another preferred embodiment of the present utility model, the width B of described suspended roof brick plate body is 5 ~ 15 with the ratio of H.This structure has the wide and thickness proportion of reasonable plate, is convenient to make and lifting.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the board-like furred ceiling refratory insulating brick of the super wide kiln of the utility model is described further.
Fig. 1 is a kind of embodiment cross-sectional view of the board-like furred ceiling refratory insulating brick of the super wide kiln of the utility model;
Fig. 2 is the plan structure of structure shown in Fig. 1 schematic diagram;
Fig. 3 is hoisting structure schematic diagram of the present utility model.
In figure, 1-connection tenon, 2-suspended roof brick plate body, 3-hanging hook, 4-connection tongue-and-groove, 5-card are inserted suspender member, 6-refractory fiber floor.
The specific embodiment
In the board-like furred ceiling refratory insulating brick shown in Fig. 1, Fig. 2, its suspended roof brick body 2 is platy structure, the wide B of its plate is 250mm, thickness of slab H is 25mm, the length of plate is 700mm, its width B is chosen as 5 ~ 15 with the ratio of thickness H, and plate is long will be intercepted according to kiln reality, thereby forms the platy structure of strip.Plate body material adopts the ultralow heat conduction anti-erosion of high strength mullite heat insulating brick body, at high temperature anti-corrosion mullite brick surface is coated with the glaze layer of one deck densification, this smooth glass shape glaze layer can be blocked the erosion of the materials such as high temperature, harmful corrosive gas effectively, resist corrosivity high-temperature gas to the depth of penetration of brick body, there is fabulous fire resistant heat preserving effect and longer service life.On suspended roof brick plate body 2, be provided with hanging hook 3, this hanging hook 3 is that two hooks that arrange along brick body length direction are to relative hanging hook, it is the structure that hanging hook 3 has formed similar dovetail groove sample, like this when installation of ceiling, can determine according to furnace roof steel framework the suspension point of suspended roof brick plate body, both be convenient to install, can have alleviated lifting weight again.At the two ends of furred ceiling plate body 2, be respectively arranged with and connect tenon 1 and be connected tongue-and-groove 4, this connection tenon 1 matches with the cross sectional shape that is connected tongue-and-groove 4, makes the interlock of mutually pegging graft of adjacent tenon on two brick bodies and tongue-and-groove.
It shown in Fig. 3, is the utility model mounting structure schematic diagram.The lower end card of the slotting suspender member 5 of card inserts in and is between swallow-tailed two hanging hooks, and the upper end of suspender member 5 is arranged on furnace roof steel framework, and 2 suspender members 5 are housed on the length direction of a suspended roof brick plate body 2, makes it suspended roof brick plate body 2 steadily suspend in midair.On suspended roof brick plate body 2, fill and be equipped with high-purity refractory fibre, make furnace roof there is higher thermal and insulating performance.