CN209991782U

CN209991782U - Grate cooler low wall brick for cement kiln barrel

Info

Publication number: CN209991782U
Application number: CN201920701255.9U
Authority: CN
Inventors: 俞益君; 王才军; 吴明; 朱秀芬; 王景
Original assignee: JUNYAO ANTI-WEAR REFRACTORY Co Ltd JIANGSU
Current assignee: JUNYAO ANTI-WEAR REFRACTORY Co Ltd JIANGSU
Priority date: 2019-05-15
Filing date: 2019-05-15
Publication date: 2020-01-24
Anticipated expiration: 2029-05-15

Abstract

The utility model provides a grate cooler low wall brick for cement kiln barrel, which comprises a silicon mullite red brick body, wherein a filling groove penetrating through the front and back surfaces of the silicon mullite red brick body is concavely arranged on one side of the cold state surface of the silicon mullite red brick body, a zirconium-containing fiber board is filled in the filling groove, and the surface of the zirconium-containing fiber board is flush with the cold state surface; the fire-resistant temperature of the zirconium-containing fiber board is 1250-1500 ℃, and the heat conductivity coefficient is 0.06-0.085W/(m.K). The utility model discloses an adopt logical groove design at the cold attitude face of brick body to fill the zirconium-containing fiberboard of certain area and thickness, can effectively reduce cement kiln barrel temperature more than 100 ℃, reduce the red kiln phenomenon, reduce and warp, effectively prolong the life of the cold quick-witted short wall brick barrel of cement kiln grate.

Description

Grate cooler low wall brick for cement kiln barrel

Technical Field

The utility model relates to a brick for industrial kiln, in particular to a silicon mullite low wall brick with a zirconium-containing fiber board for a grate cooler for a cement kiln.

Background

The grate cooler is an important host machine device in a clinker firing system of a cement plant, and has the main functions of cooling and conveying cement clinker; meanwhile, hot air is provided for the rotary kiln, the decomposing furnace and the like, and the device is a main device for heat recovery of a firing system. However, the short wall of the grate cooler is one of the parts which are frequently damaged, the updating frequency is high, the short wall is rubbed with cement clinker for a long time, and the short wall is easily damaged under the condition of long-term high temperature, so that the short wall is frequently required to be maintained, the short wall is troublesome in the dismantling process, the short wall is inconvenient to dismantle, and the dismantling efficiency is too low. Meanwhile, the temperature of the grate cooler short wall brick cylinder is higher, the red kiln phenomenon often occurs, the deformation of the kiln cylinder due to long-time high temperature often occurs, the service life is shortened, the heat insulation effect is not enough, the heat utilization efficiency of the cement kiln is low, the energy consumption is high, and the cost is increased.

SUMMERY OF THE UTILITY MODEL

The utility model provides a technical problem provide a short wall brick of grate cooler for cement kiln barrel adopts logical groove design through the cold attitude face at the brick body to fill zirconium-containing fiberboard of certain area and thickness, it is effectual to keep warm thermal-insulated, effectively blocks high-temperature gas, realizes effectual energy-conservation.

Realize the utility model discloses the technical solution of purpose does:

a grate cooler low wall brick for a cement kiln barrel comprises a silicon mullite red brick body, wherein a filling groove penetrating through the front surface and the rear surface of the silicon mullite red brick body is concavely arranged on one side of the cold state surface of the silicon mullite red brick body, a zirconium-containing fiber board is filled in the filling groove, and the surface of the zirconium-containing fiber board is flush with the cold state surface; the fire-resistant temperature of the zirconium-containing fiber board is 1250-1500 ℃, and the heat conductivity coefficient is 0.06-0.085W/(m.K).

Further, the utility model discloses a cold short wall brick of grate for cement kiln barrel, the fibreboard that contains zirconium is for containing zirconium type aluminium silicate fibreboard, and fire-resistant temperature is 1430 ℃, and coefficient of heat conductivity is 0.085W/(m K).

Further, the utility model discloses a short wall brick of cold machine of combing for cement kiln barrel, the side cross-section of silicon mullite red brick body is trapezoidal, and wherein one side at cold attitude face place is trapezoidal going to the bottom.

Further, the utility model discloses a short wall brick of cold machine of combing for cement kiln barrel, the side cross-section of silicon mullite red brick body is isosceles trapezoid, and wherein one side at cold attitude face place is trapezoidal going to the bottom.

Further, the utility model discloses a cold short wall brick of grate for cement kiln barrel, the height that contains zirconium fiberboard accounts for 1/8 ~ 1/7 of silicon mullite red brick body total height.

Further, the utility model discloses a grate cooler short wall brick for cement kiln barrel, the bottom surface area that contains zirconium fiberboard accounts for 42% ~ 48% of the cold attitude face area of silicon mullite red brick body.

Further, the utility model discloses a grate cooler short wall brick for cement kiln barrel, the height of silicon mullite red brick body is 210mm ~ 230 mm.

The utility model adopts the above technical scheme to compare with prior art, have following technological effect:

1. the grate cooler low-wall brick for the cement kiln barrel has low heat conductivity coefficient, can effectively reduce heat loss and improve heat utilization efficiency;

2. the grate cooler low wall brick for the cement kiln barrel can effectively reduce the temperature of the cement kiln barrel by over 100 ℃, reduce the red kiln phenomenon, reduce the deformation and effectively prolong the service life of the cement kiln barrel;

3. the grate cooler low wall brick for the cement kiln barrel increases the effective use position and improves more than 30 percent compared with a composite product.

Drawings

FIG. 1 is a front view of the grate cooler low wall brick for cement kiln cylinder of the present invention;

FIG. 2 is a left side view of the grate cooler low wall brick for the cement kiln barrel of the present invention;

fig. 3 is a bottom view of the grate cooler short wall brick for the cement kiln cylinder body of the utility model.

Reference signs mean: 1: brick body, 2: zirconium-containing fiber board.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below by referring to the drawings are exemplary only for explaining the present invention, and should not be construed as limiting the present invention.

A grate cooler low wall brick for a cement kiln barrel comprises a silicon mullite red brick body 1, wherein a filling groove penetrating through the front surface and the rear surface of the silicon mullite red brick body 1 is concavely arranged on one side of a cold state surface of the silicon mullite red brick body 1, a zirconium-containing fiber plate 2 is filled in the filling groove, and the surface of the zirconium-containing fiber plate 2 is flush with the cold state surface; the fire-resistant temperature of the zirconium-containing fiber board 2 is 1250-1500 ℃, and the heat conductivity coefficient is 0.06-0.085W/(m.K).

Example 1

A grate cooler low wall brick for a cement kiln cylinder is shown as a main view in figure 1 and comprises a silicon mullite red brick body 1, wherein a filling groove penetrating through the front surface and the rear surface of the silicon mullite red brick body 1 is concavely arranged on one side of a cold state surface of the silicon mullite red brick body 1, the cross section of the side surface of the silicon mullite red brick body 1 is in an isosceles trapezoid shape, and as shown in figure 2, one side of the cold state surface is a lower bottom of the trapezoid shape.

The filling groove is filled with the zirconium-containing type aluminum silicate fiber board, the surface of the zirconium-containing fiber board 2 is flush with the cold surface, the fire resistance temperature of the zirconium-containing type aluminum silicate fiber board is 1430 ℃, and the heat conductivity coefficient is 0.085W/(m.K).

The height of the silicon mullite red brick body 1 is 210mm, the height of the zirconium-containing fiber board 2 accounts for 1/8 of the total height of the brick body 1, and the area of the bottom surface accounts for 42 percent of the area of the cold surface of the brick body 1.

Example 2

A grate cooler low wall brick for a cement kiln cylinder body is shown in figure 1 and comprises a silicon mullite red brick body 1, wherein a filling groove penetrating through the front surface and the rear surface of the silicon mullite red brick body 1 is concavely arranged on one side of a cold state surface of the silicon mullite red brick body 1, the cross section of the side surface of the silicon mullite red brick body 1 is trapezoidal, and the lower bottom of the trapezoidal side surface is arranged on one side of the cold state surface.

The height of the silicon mullite red brick body 1 is 230mm, the height of the zirconium-containing fiber board 2 accounts for 1/7 of the total height of the brick body 1, and the area of the bottom surface accounts for 48% of the area of the cold surface of the brick body 1.

Compared with high-alumina bricks, the grate cooler short wall brick for the cement kiln barrel can effectively reduce the temperature of the grate cooler short wall brick barrel by over 100 ℃, ensure the safe and normal operation of equipment, effectively reduce the red kiln phenomenon, reduce the deformation of the kiln barrel due to high temperature, prolong the service life of the barrel, and reduce the non-normal product damage of the whole material due to deformation.

Meanwhile, as the zirconium-containing fiber plate is embedded into the brick body, the effective use part of the brick is increased, the effective use volume is high and is improved by more than 40 percent compared with a high-alumina brick product; the heat preservation effect of the grate cooler low wall brick is improved, and the energy consumption is saved by more than 8%.

The foregoing is only a part of the embodiments of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements can be made without departing from the principles of the present invention, and these improvements should be regarded as the protection scope of the present invention.

Claims

1. The grate cooler low wall brick for the cement kiln barrel is characterized by comprising a silicon mullite red brick body (1), wherein a filling groove penetrating through the front surface and the rear surface of the silicon mullite red brick body (1) is concavely arranged on one side of a cold state surface of the silicon mullite red brick body (1), a zirconium-containing fiber board (2) is filled in the filling groove, and the surface of the zirconium-containing fiber board (2) is flush with the cold state surface; the fire-resistant temperature of the zirconium-containing fiber board (2) is 1250-1500 ℃, and the heat conductivity coefficient is 0.06-0.085W/(m.K).

2. The grate cooler low wall brick for the cement kiln cylinder body as recited in claim 1, characterized in that the zirconium-containing fiber board (2) is a zirconium-containing type aluminum silicate fiber board, the fire resistance temperature is 1430 ℃, and the thermal conductivity is 0.085W/(m.K).

3. The grate cooler low wall brick for the cement kiln cylinder body as claimed in claim 1, wherein the cross section of the side surface of the silicon mullite red brick body (1) is trapezoidal, and the lower bottom of the trapezoid is arranged on the side where the cold state surface is located.

4. The grate cooler low wall brick for the cement kiln cylinder body as claimed in claim 1 or 3, wherein the cross section of the side surface of the silicon mullite red brick body (1) is isosceles trapezoid, wherein the side where the cold state surface is located is the lower bottom of the trapezoid.

5. The grate cooler low wall brick for the cement kiln cylinder body as claimed in claim 1, wherein the height of the zirconium-containing fiberboard (2) accounts for 1/8-1/7 of the total height of the silicon mullite red brick body (1).

6. The grate cooler low wall brick for the cement kiln cylinder body as recited in claim 1, characterized in that the bottom surface area of the zirconium-containing fiberboard (2) accounts for 42% -48% of the cold surface area of the silicon mullite red brick body (1).

7. The grate cooler low wall brick for the cement kiln cylinder body as claimed in claim 1, wherein the height of the silicon mullite red brick body (1) is 210-230 mm.