CN203432338U - Magnesium aluminate spinel brick used for alkaline kiln - Google Patents

Abstract

The utility model discloses magnesium aluminate spinel bricks used for an alkaline kiln. Each magnesium aluminate spinel brick comprises a brick body which has a rectangular upper surface and a rectangular lower surface. A groove and a convex edge are disposed on the left side surface and the right side surface of the brick body, respectively. A groove and a convex edge are disposed on the front surface and rear surface of the brick body, respectively. Each groove and each convex edge are positioned in the middle of the respective surface, and each groove matches each convex edge in shape and size. Grooves or convex edges are arranged on two groups of corresponding surfaces, and the grooves match the convex edges between each two adjacent brick body, so that brick bodies are connected more tightly among each other. Moreover, when in use, brick bodies are more combined into a whole body after being sintered at a high temperature, so the brick bodies are effectively prevented from falling and a flame jumping phenomenon is prevented. The magnesium aluminate spinel bricks can be used for different sintering zones in a kiln and can be widely applied.

Description

A kind of alkaline kiln Mg-Al spinel brick

Technical field

The utility model relates to the brick body using in a kind of fire resisting material field, is specifically related to a kind of alkaline kiln Mg-Al spinel brick.

Background technology

At present, the variations in temperature that the salband in large-scale cement rotary kiln and intermediate zone are born is frequent, and need to bear stronger mechanical force, general brick body easily peels off or is etched, easily cause especially the fire of leaping up, have certain potential safety hazard, and cause certain energy waste.

Utility model content

Goal of the invention: for solving the deficiencies in the prior art, the utility model provides a kind of alkaline kiln Mg-Al spinel brick.

Technical scheme: for achieving the above object, a kind of alkaline kiln Mg-Al spinel brick of the present utility model, comprise brick body, the geometry on the upper and lower surface of described brick body is rectangle, the left and right side of brick body is respectively equipped with groove and fin, the forward and backward surface of brick body is respectively equipped with groove and fin, and described groove and fin are all positioned at its centre position on surface, place separately, and the shape of described groove and fin and size suitable.

As preferably, the cross section of described fin and groove is isosceles trapezoid, and the groove depth of described groove is 5 ~ 15 millimeters.

Beneficial effect: a kind of alkaline kiln Mg-Al spinel brick of the present utility model, by groove or fin being set respectively on two groups of brick body corresponding surfaces, make every groove and fin between adjacent bricks body suitable, make to be connected between brick body and brick body tightr; And in use, after high-temperature firing, more have globality between brick body, thereby can effectively avoid the appearance of the fiery phenomenon that drops and leap up of brick body, the utility model can be used for the different section bands in kiln, has the scope of application widely.

Accompanying drawing explanation

Fig. 1 is structural representation of the present utility model;

Fig. 2 is the side view of Fig. 1.

The specific embodiment

Below in conjunction with accompanying drawing, the utility model is further described

As depicted in figs. 1 and 2, a kind of alkaline kiln Mg-Al spinel brick of the present utility model, comprise brick body 1, the geometry on the upper and lower surface of described brick body 1 is rectangle, the left and right side of brick body 1 is respectively equipped with groove 2 and fin 3, the forward and backward surface of brick body 1 is respectively equipped with groove 2 and fin 3, and described groove 2 and fin 3 are all positioned at its centre position on surface, place separately, and shape and the size of described groove 2 and fin 3 are suitable.

In the present embodiment, the cross section of described fin 3 and groove 2 is isosceles trapezoid, and the groove depth of groove 2 is 5 ~ 15 millimeters, for example, can be according to the dimensions of brick body, the groove depth of groove 2 is set to 8 millimeters, 10 millimeters even depth.

In actual use, the fin 3 of brick body 1 rear surface agrees with mutually with the groove 2 of another piece brick body 1 front surface, and the groove 2 of brick body 1 left surface also agrees with mutually with the fin 3 of another piece brick body 1 right flank, make to be connected between brick body and brick body tightr.

Below be only preferred embodiment of the present utility model; be noted that for those skilled in the art; not departing under the prerequisite of the utility model principle, can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.

Claims (3)

1. an alkaline kiln Mg-Al spinel brick, is characterized in that: comprise brick body (1), the geometry on the upper and lower surface of described brick body (1) is rectangle; The left and right side of described brick body (1) is respectively equipped with groove (2) and fin (3), and the forward and backward surface of brick body (1) is respectively equipped with groove (2) and fin (3); Described groove (2) and fin (3) are all positioned at its centre position on surface, place separately, and shape and the size of described groove (2) and fin (3) are suitable.

2. alkaline kiln Mg-Al spinel brick according to claim 1, is characterized in that: the cross section of described groove (2) and fin (3) is isosceles trapezoid.

3. alkaline kiln Mg-Al spinel brick according to claim 1, is characterized in that: the groove depth of described groove (2) is 5 ~ 15 millimeters.

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