阅读说明：本技术 一种再生熔铸耐火砖 (Regenerated casting refractory brick ) 是由 汤东阁 张云鹏 杨丹 于 2020-05-19 设计创作，主要内容包括：本发明属于耐火砖技术领域,具体的说是一种再生熔铸耐火砖,包括本体；本体靠近迎火面的一侧开设有一组弧形的集热孔,通过集热孔增加本体的受热均匀度；集热孔上下两端开口均朝向迎火面方向,集热孔呈竖直防线布置,用于减少集热孔堆积灰尘；本发明通过集热孔增加热气在本体内的循环速度,进而使得本体温度均匀变化,增加本体的抗裂能力,进一步减少耐火砖的更换频率,同时由于集热孔上下两端开口均朝向迎火面方向,集热孔呈竖直防线布置,使得气流中携带的灰尘掉落到集热孔时,增加灰尘沿集热孔内壁的滑落速度,避免集热孔积累灰尘过多引起的传热性能下降,进一步保证耐火砖均匀升温,增加炉窑的生产效率。(The invention belongs to the technical field of refractory bricks, and particularly relates to a regenerated cast refractory brick, which comprises a body; one side of the body close to the fire-facing surface is provided with a group of arc-shaped heat collecting holes, and the heating uniformity of the body is improved through the heat collecting holes; openings at the upper end and the lower end of each heat collecting hole face the fire-facing direction, and the heat collecting holes are arranged in a vertical defensive line mode and used for reducing dust accumulated in the heat collecting holes; according to the invention, the circulation speed of hot air in the body is increased through the heat collecting holes, so that the temperature of the body is uniformly changed, the anti-cracking capability of the body is increased, the replacement frequency of the refractory bricks is further reduced, and meanwhile, because the openings at the upper end and the lower end of the heat collecting holes face the fire-facing direction, the heat collecting holes are arranged in a vertical defensive line, when dust carried in air flow falls into the heat collecting holes, the sliding speed of the dust along the inner wall of the heat collecting holes is increased, the heat transfer performance reduction caused by excessive dust accumulated in the heat collecting holes is avoided, the uniform temperature rise of the refractory bricks is further ensured, and the production efficiency.)

1. A regeneration fusion casting firebrick is characterized in that: comprises a body (1); one side of the body (1) close to the fire-facing surface is provided with a group of arc-shaped heat collecting holes (2), and the uniformity of heating of the body (1) is improved through the heat collecting holes (2); openings at the upper end and the lower end of the heat collecting hole (2) face the fire face direction, and the heat collecting hole (2) is arranged in a vertical defensive line mode and used for reducing dust accumulated in the heat collecting hole (2).

2. The recycled fused cast refractory brick as claimed in claim 1, wherein: an arc heat-resistant spring (3) is arranged in the heat collecting hole (2), and one end of the spring (3) is fixedly connected with the inner wall of the heat collecting hole (2); the spring (3) is made of memory metal, is expanded and extended after being heated, further scrapes the inner wall of the heat collecting hole (2), and improves the heat transfer efficiency of the heat collecting hole (2).

3. The recycled fused cast refractory brick as claimed in claim 2, wherein: the cross section of the spring (3) is triangular, one side of the triangle is attached to the inner wall of the heat collecting hole (2), the scraping effect of the spring (3) is further improved through the spring (3) with the triangular cross section, and the heat transfer efficiency of the heat collecting hole (2) is improved.

4. The recycled fused cast refractory brick as claimed in claim 3, wherein: a cavity (4) is formed in the body (1) and corresponds to the heat collecting hole (2), and the cavity (4) is communicated with the heat collecting hole (2) through an exhaust hole (5); a glass plugging sheet (6) is arranged in the exhaust hole (5); an elastic sheet (7) is fixedly connected between the glass plugging sheet (6) and the spring (3); air in the cavity (4) is released through the burst of the glass blocking sheet (6), and the heat transfer efficiency of the heat collecting hole (2) is further improved.

5. The recycled fused cast refractory brick as claimed in claim 4, wherein: a feeding hole (8) is formed in the body (1) close to the top and corresponding to the heat collecting hole (2), and a heat insulation layer is arranged on the inner wall of the feeding hole (8); a mixture of quartz sand and feldspar powder is sealed in the feed hole (8); a blanking hole (9) is formed in the bottom of the feeding hole (8), and the bottom of the blanking hole (9) is gradually narrowed; quartz sand and feldspar powder are supplemented through the blanking hole (9), so that the exhaust hole (5) is repeatedly blocked, and the heat transfer efficiency of the heat collecting hole (2) is further improved.

6. The recycled fused cast refractory brick as claimed in claim 5, wherein: a circular hole (10) in a round-corner rectangular shape is formed in the position, corresponding to the heat collecting hole (2), in the body (1), and salt is filled in the circular hole (10); the heating speed of the side of the body (1) far away from the fire-facing side is increased through the melting and circulation of the salt.

Technical Field

The invention belongs to the technical field of refractory bricks, and particularly relates to a regenerated cast refractory brick.

Background

Refractory materials are generally divided into two categories, namely unshaped refractory and shaped refractory. The unshaped refractory material, also called as casting material, is a mixed powder granule composed of various aggregates or aggregates and one or more kinds of adhesives, and when in use, the unshaped refractory material must be matched with one or more kinds of liquids to be stirred uniformly, and has stronger fluidity. The shaped refractory material is generally a refractory brick, the shape of which has standard rules and can also be temporarily processed when being built and cut as required.

The firebricks are called firebricks for short. The refractory material is made by burning refractory clay or other refractory raw materials. Yellowish or brownish. The refractory brick is mainly used for bricking smelting furnaces and can resist the high temperature of 1580-1770 ℃. Also called fire brick. A shaped and sized refractory material. The brick can be divided into fired brick, unfired brick, fused cast brick and refractory heat-insulating brick according to the preparation process; can be divided into standard bricks, common bricks, special shaped bricks, etc. according to the shape and size. Can be used as high-temperature building materials and structural materials of construction kilns and various thermal equipment, and can bear various physical and chemical changes and mechanical actions at high temperature. Such as refractory clay bricks, high alumina bricks, silica bricks, magnesia bricks, etc.

Disclosure of Invention

In order to make up for the defects of the prior art and solve the problems that dust is easily accumulated in the heat collecting holes, the heat transfer efficiency of the heat collecting holes is influenced, manual cleaning is needed, and the use efficiency of the heat insulating brick is influenced, the invention provides the regenerative fusion casting refractory brick.

The technical scheme adopted by the invention for solving the technical problems is as follows: the invention relates to a regenerative fusion casting firebrick, which comprises a body; one side of the body, which is close to the fire-facing surface, is provided with a group of arc-shaped heat collecting holes, and the heating uniformity of the body is improved through the heat collecting holes; openings at the upper end and the lower end of each heat collecting hole face the fire-facing direction, and the heat collecting holes are arranged in a vertical defensive line mode and used for reducing dust accumulated in the heat collecting holes; when in use, the refractory bricks on the upper part of the furnace kiln mainly conduct the flame temperature, so that the refractory bricks with heavier weight are easy to fall off, the replacement frequency of the refractory bricks is higher, the production efficiency of the furnace kiln is influenced, at the moment, the weight of the refractory bricks is reduced through the heat collecting holes arranged in the body, and the circulation speed of hot gas in the body is increased through the heat collecting holes, thereby enabling the temperature of the body to be changed uniformly, increasing the anti-cracking capability of the body, further reducing the replacement frequency of the refractory bricks, meanwhile, the openings at the upper end and the lower end of the heat collecting hole face the fire-facing direction, the heat collecting hole is arranged in a vertical defensive line, when dust carried in the air flow falls into the heat collecting holes, the sliding speed of the dust along the inner walls of the heat collecting holes is increased, the heat transfer performance reduction caused by excessive dust accumulated in the heat collecting holes is avoided, the uniform temperature rise of refractory bricks is further ensured, and the production efficiency of the furnace is increased.

Preferably, an arc heat-resistant spring is arranged in the heat collecting hole, and one end of the spring is fixedly connected with the inner wall of the heat collecting hole; the spring is made of memory metal, is expanded and extended after being heated, further scrapes the inner wall of the heat collecting hole, and improves the heat transfer efficiency of the heat collecting hole; the spring of making through memory metal for the spring is heated and has great deformation when meeting cold, and then makes the spring warp and supports thermal-arrest downthehole wall, and the spring extension simultaneously, and then makes the spring scraping thermal-arrest downthehole wall, further reduces the dust adhesion on thermal-arrest downthehole wall, increases the heat conduction efficiency in thermal-arrest hole, and then guarantees to endure firebrick and evenly heaies up, increases the production efficiency of stove.

Preferably, the cross section of the spring is triangular, one side of the triangle is attached to the inner wall of the heat collecting hole, and the scraping effect of the spring is further improved and the heat transfer efficiency of the heat collecting hole is improved through the spring with the triangular cross section; through the spring with the triangular cross section, the spring is supported in a shovel blade shape and shovels the inner wall of the heat collecting hole, the efficiency of cleaning dust in the heat collecting hole by the spring is further increased, the uniform temperature rise of refractory bricks is guaranteed, and the production efficiency of the furnace is increased.

Preferably, a cavity is formed in the position, corresponding to the heat collecting hole, in the body, and the cavity is communicated with the heat collecting hole through an exhaust hole; a glass plugging sheet is arranged in the exhaust hole; an elastic sheet is fixedly connected between the glass plugging sheet and the spring; air in the cavity is released through the burst of the glass plugging sheet, so that the heat transfer efficiency of the heat collecting hole is further improved; when the body is heated, the temperature in the cavity rises, because the glass plugging sheet is arranged in the exhaust hole, the air in the cavity expands after being heated, after the glass plugging sheet explodes under the heating of the heat collecting hole and the expansion of the air in the cavity, the compressed air in the cavity is flushed out through the exhaust hole, and then the exhaust hole sprays high-speed airflow into the heat collecting hole, the cleaning effect of dust in the heat collecting hole is further improved, meanwhile, glass fragments collide with the inner wall of the heat collecting hole along with the high-speed airflow, the falling efficiency of the dust adhered to the inner wall of the heat collecting hole is further improved, the uniform heating of refractory bricks is ensured, and the production efficiency of the furnace is improved.

Preferably, a feeding hole is formed in the body, close to the top and corresponding to the heat collecting hole, and a heat insulation layer is arranged on the inner wall of the feeding hole; a mixture of quartz sand and feldspar powder is sealed in the feed hole; a blanking hole is formed in the bottom of the feeding hole, and the bottom of the blanking hole is gradually narrowed; quartz sand and feldspar powder are supplemented through the blanking hole, so that the exhaust hole is repeatedly plugged, and the heat transfer efficiency of the heat collecting hole is further improved; after the glass shutoff piece is broken, the unloading hole is opened, and the mixture of quartz sand and feldspar powder in the feed port that makes falls into the exhaust hole through the unloading hole, and the mixture melts and generates fused glass under the effect of high temperature, and cooperation unloading hole bottom narrows down gradually for regeneration shutoff in the exhaust hole, and then make the repeated blowout air of cavity, increased the cleaning efficiency in thermal-arrest hole.

Preferably, a circular hole in a round-corner rectangular shape is formed in the position, corresponding to the heat collecting hole, in the body, and salt is filled in the circular hole; the heating speed of the side of the body away from the fire-facing side is increased through salt melting and circulation; when high-temperature air in the furnace passes through the heat collecting holes, the heat collecting holes heat the circulating holes close to the heat collecting holes, salt is melted, the melted salt continuously flows along the circulating holes under the action of a thermal convection effect, the heating efficiency of the body on one side far away from the heat collecting holes is increased, the possibility that the body is exploded to hurt people due to temperature mutation is further reduced, and the replacement frequency of the body is further reduced.

The invention has the following beneficial effects:

1. according to the regenerative fusion cast refractory brick, the weight of the refractory brick is reduced through the heat collecting holes formed in the body, meanwhile, the circulation speed of hot air in the body is increased through the heat collecting holes, so that the temperature of the body is uniformly changed, the anti-cracking capacity of the body is increased, the replacement frequency of the refractory brick is further reduced, meanwhile, openings at the upper end and the lower end of each heat collecting hole face the fire face, the heat collecting holes are arranged in a vertical defensive line, when dust carried in air flow falls into the heat collecting holes, the sliding speed of the dust along the inner walls of the heat collecting holes is increased, the heat transfer performance reduction caused by excessive dust accumulated in the heat collecting holes is avoided, the uniform temperature rise of the refractory brick is further ensured, and the production efficiency of a furnace is.

2. According to the regenerative fusion-cast refractory brick, the spring made of the memory metal is used, so that the spring is greatly deformed when being heated and cooled, the spring is deformed and abuts against the inner wall of the heat collecting hole, meanwhile, the spring extends, the spring scrapes the inner wall of the heat collecting hole, dust is further reduced to be adhered to the inner wall of the heat collecting hole, the heat conduction efficiency of the heat collecting hole is increased, the uniform temperature rise of the refractory brick is guaranteed, and the production efficiency of a furnace is increased.

Drawings

The invention will be further explained with reference to the drawings.

FIG. 1 is a perspective view of the present invention;

FIG. 2 is a front view of the present invention;

FIG. 3 is an enlarged view of a portion of FIG. 2 at A;

in the figure: the device comprises a body 1, a heat collecting hole 2, a spring 3, a cavity 4, an exhaust hole 5, a glass blocking sheet 6, an elastic sheet 7, a feeding hole 8, a discharging hole 9 and a circulating hole 10.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.

As shown in fig. 1 to 3, the regenerative molten cast refractory brick of the present invention includes a body 1; one side of the body 1 close to the fire-facing surface is provided with a group of arc-shaped heat collecting holes 2, and the uniformity of heating of the body 1 is improved through the heat collecting holes 2; openings at the upper end and the lower end of the heat collecting hole 2 face the fire-facing direction, and the heat collecting hole 2 is arranged in a vertical defensive line mode and is used for reducing dust accumulated in the heat collecting hole 2; when in use, the firebricks on the upper part of the furnace are mainly used for conducting flame temperature, so that the firebricks with heavier weight are easy to fall off, the replacement frequency of the firebricks is higher, and the production efficiency of the furnace is influenced, at the moment, the weight of the firebricks is reduced through the heat collecting holes 2 arranged in the body 1, and the circulation speed of hot air in the body 1 is increased through the heat collecting holes 2, so that the temperature of the body 1 is uniformly changed, the anti-cracking capability of the body 1 is increased, the replacement frequency of the firebricks is further reduced, meanwhile, because the openings at the upper end and the lower end of the heat collecting holes 2 are both towards the fire head, the heat collecting holes 2 are arranged in a vertical defensive line, when dust carried in air flow falls into the heat collecting holes 2, the falling speed of the dust along the inner wall of the heat collecting holes 2 is increased, the, the production efficiency of the furnace kiln is increased.

As an embodiment of the invention, an arc heat-resistant spring 3 is arranged in the heat collecting hole 2, and one end of the spring 3 is fixedly connected with the inner wall of the heat collecting hole 2; the spring 3 is made of memory metal, is expanded and extended after being heated, further scrapes the inner wall of the heat collecting hole 2, and increases the heat transfer efficiency of the heat collecting hole 2; spring 3 through memory metal makes for spring 3 is heated and has great deformation when encountering cold, and then makes spring 3 warp and support 2 inner walls in heat-collecting hole, and spring 3 extends simultaneously, and then makes spring 3 scrape 2 inner walls in heat-collecting hole, further reduces the dust adhesion on 2 inner walls in heat-collecting hole, increases heat-conduction efficiency in heat-collecting hole 2, and then guarantees to endure that firebrick evenly heaies up, increases the production efficiency of stove.

As an embodiment of the invention, the cross section of the spring 3 is triangular, one side of the triangle is attached to the inner wall of the heat collecting hole 2, and the spring 3 with the triangular cross section further increases the scraping effect of the spring 3 and increases the heat transfer efficiency of the heat collecting hole 2; through the spring 3 with the triangular cross section, the spring 3 is supported in a shovel blade shape and shovels the inner wall of the heat collecting hole 2, the efficiency of cleaning dust in the heat collecting hole 2 by the spring 3 is further increased, the uniform temperature rise of refractory bricks is ensured, and the production efficiency of the furnace is increased.

As an embodiment of the invention, a cavity 4 is arranged in the body 1 corresponding to the heat collecting hole 2, and the cavity 4 is communicated with the heat collecting hole 2 through an exhaust hole 5; a glass plugging sheet 6 is arranged in the exhaust hole 5; an elastic sheet 7 is fixedly connected between the glass plugging sheet 6 and the spring 3; air in the cavity 4 is released through the burst of the glass blocking sheet 6, so that the heat transfer efficiency of the heat collecting hole 2 is further improved; when the body 1 is heated, the temperature in the cavity 4 rises, and the glass plugging sheet 6 is arranged in the exhaust hole 5, so that the air in the cavity 4 expands after being heated, after the glass plugging sheet 6 is exploded under the heating of the heat collecting hole 2 and the expansion of the air in the cavity 4, the compressed air in the cavity 4 is flushed out through the exhaust hole 5, and then the exhaust hole 5 sprays high-speed airflow into the heat collecting hole 2, the cleaning effect of dust in the heat collecting hole 2 is further improved, meanwhile, glass fragments collide with the inner wall of the heat collecting hole 2 along with the high-speed airflow, the falling efficiency of the dust adhered to the inner wall of the heat collecting hole 2 is further improved, the uniform heating of refractory bricks is ensured, and the production efficiency of the furnace is improved.

As an embodiment of the invention, a feeding hole 8 is arranged in the body 1 close to the top and corresponding to the heat collecting hole 2, and a heat insulation layer is arranged on the inner wall of the feeding hole 8; a mixture of quartz sand and feldspar powder is sealed in the feed hole 8; the bottom of the feed hole 8 is provided with a blanking hole 9, and the bottom of the blanking hole 9 is gradually narrowed; quartz sand and feldspar powder are supplemented through the blanking hole 9, so that the exhaust hole 5 is repeatedly plugged, and the heat transfer efficiency of the heat collecting hole 2 is further improved; after the glass blocking piece 6 is broken, the discharging hole 9 is opened, the mixture of quartz sand and feldspar powder in the feeding hole 8 falls into the exhaust hole 5 through the discharging hole 9, the mixture is melted under the action of high temperature and generates molten glass, the bottom of the discharging hole 9 is gradually narrowed, so that blocking is generated in the exhaust hole 5 again, air is repeatedly sprayed out of the cavity 4, and the cleaning efficiency of the heat collecting hole 2 is improved.

As an embodiment of the invention, a circular hole 10 with a round-corner rectangular shape is formed in the body 1 corresponding to the heat collecting hole 2, and the circular hole 10 is filled with salt; the heating speed of the side of the body 1 away from the fire-facing side is increased through salt melting and circulation; when high-temperature air in the kiln flows through the heat collecting holes 2, the heat collecting holes 2 heat the circulating holes 10 close to the heat collecting holes 2, salt is melted, the melted salt flows along the circulating holes 10 continuously under the action of a heat convection effect, the heating efficiency of the body 1 far away from one side of the heat collecting holes 2 is increased, the possibility that the body 1 explodes and hurts people due to temperature mutation is further reduced, and the replacement frequency of the body 1 is further reduced.

During operation, because the firebricks on the upper portion of the furnace are mainly used for conducting flame temperature, the firebricks with heavier weight are easy to fall off, the replacement frequency of the firebricks is higher, and the production efficiency of the furnace is influenced, at the moment, the weight of the firebricks is reduced through the heat collecting holes 2 arranged in the body 1, and the circulation speed of hot air in the body 1 is increased through the heat collecting holes 2, so that the temperature of the body 1 is uniformly changed, the anti-cracking capability of the body 1 is increased, the replacement frequency of the firebricks is further reduced, meanwhile, because the openings at the upper end and the lower end of the heat collecting holes 2 are both towards the fire head direction, the heat collecting holes 2 are arranged in a vertical defense line, when dust carried in air flow falls into the heat collecting holes 2, the falling speed of the dust along the inner wall of the heat collecting holes 2 is increased, the reduction, the production efficiency of the furnace kiln is increased; the spring 3 made of memory metal has larger deformation when being heated and cooled, so that the spring 3 deforms and props against the inner wall of the heat collecting hole 2, meanwhile, the spring 3 extends, so that the spring 3 scrapes the inner wall of the heat collecting hole 2, dust is further reduced to be adhered to the inner wall of the heat collecting hole 2, the heat conduction efficiency of the heat collecting hole 2 is increased, uniform temperature rise of refractory bricks is further ensured, and the production efficiency of the furnace is increased; the spring 3 with the triangular section is abutted against the inner wall of the heat collecting hole 2 in a shovel blade shape and shovels the inner wall of the heat collecting hole 2, so that the efficiency of cleaning dust in the heat collecting hole 2 by the spring 3 is further increased, the uniform temperature rise of refractory bricks is ensured, and the production efficiency of the furnace is increased; when the body 1 is heated, the temperature in the cavity 4 rises, and the air in the cavity 4 expands after being heated due to the fact that the glass blocking piece 6 is arranged in the air exhaust hole 5, and after the glass blocking piece 6 is exploded under the heating effect of the heat collecting hole 2 and the expansion effect of the air in the cavity 4, the compressed air in the cavity 4 is flushed out through the air exhaust hole 5, so that the air exhaust hole 5 sprays high-speed air flow into the heat collecting hole 2, the dust cleaning effect in the heat collecting hole 2 is further improved, meanwhile, glass fragments collide with the inner wall of the heat collecting hole 2 along with the high-speed air flow, the falling efficiency of dust adhered to the inner wall of the heat collecting hole 2 is further improved, the uniform heating of refractory bricks is guaranteed, and the production efficiency of the furnace is improved; after the glass blocking piece 6 is broken, the blanking hole 9 is opened, so that a mixture of quartz sand and feldspar powder in the feeding hole 8 falls into the exhaust hole 5 through the blanking hole 9, the mixture is melted under the action of high temperature and generates molten glass, and the bottom of the blanking hole 9 is gradually narrowed to enable the exhaust hole 5 to generate blocking again, so that the cavity 4 repeatedly sprays air, and the cleaning efficiency of the heat collecting hole 2 is improved; when high-temperature air in the kiln flows through the heat collecting holes 2, the heat collecting holes 2 heat the circulating holes 10 close to the heat collecting holes 2, salt is melted, the melted salt flows along the circulating holes 10 continuously under the action of a heat convection effect, the heating efficiency of the body 1 far away from one side of the heat collecting holes 2 is increased, the possibility that the body 1 explodes and hurts people due to temperature mutation is further reduced, and the replacement frequency of the body 1 is further reduced.

The front, the back, the left, the right, the upper and the lower are all based on figure 1 in the attached drawings of the specification, according to the standard of the observation angle of a person, the side of the device facing an observer is defined as the front, the left side of the observer is defined as the left, and the like.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience in describing the present invention and for simplifying the description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the scope of the present invention.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.