CN114953109A - Low thermal conductivity magnesia-aluminum spinel brick production equipment for lime kiln - Google Patents

Abstract

The invention relates to the field of production and manufacturing of magnesia-alumina bricks, in particular to low-heat-conductivity magnesia-alumina spinel brick production equipment for a lime kiln, which comprises a base and a shell, wherein the shell is arranged above the base, a stirring mechanism is arranged inside the shell, a discharging mechanism is arranged at the bottom of the shell, a sliding groove is formed in the side wall of the base, a roller is arranged inside the sliding groove, a moving plate is arranged inside the sliding groove, a supporting plate is arranged inside the moving plate, a mold is fixedly connected to the upper surface of the supporting plate, the position of the mold corresponds to the position of the discharging mechanism, a lifting mechanism is arranged at the inner bottom of the base, and the position of the lifting mechanism corresponds to the bottom of the supporting plate. The invention has reasonable structure, can finish the manufacture of the hot magnesium aluminate spinel brick in a flow line mode, can greatly improve the production efficiency of the hot magnesium aluminate spinel brick and is convenient for the production and the manufacture of the hot magnesium aluminate spinel brick.

Description

Low thermal conductivity magnesia-aluminum spinel brick production equipment for lime kiln

technical field

The invention relates to the field of production and manufacture of magnesia-alumina bricks, in particular to low-thermal-conductivity magnesia-alumina spinel bricks for lime kilns and production equipment thereof.

Background technique

Magnesia alumina brick refers to a basic refractory material made of magnesia and industrial lead oxide or bauxite, which is crushed, shaped and fired at about 1600 °C. The refractoriness is greater than 2000 ℃, the resistance to rapid cooling and rapid heating is better than that of magnesia bricks, and it is resistant to the erosion of alkaline slag. It is used for masonry roofs of basic open hearth furnaces and electric furnaces in steelmaking, etc.

The existing low thermal conductivity magnesia-aluminum spinel bricks need to be manually mixed, moulded, pressed and other operations during production, resulting in low manufacturing efficiency and unfavorable for low thermal conductivity magnesia-aluminum spinel bricks. Bulk manufacturing.

SUMMARY OF THE INVENTION

The purpose of the present invention is to solve the shortcomings existing in the prior art, and propose a low thermal conductivity magnesia-aluminum spinel brick for lime kiln and its production equipment.

In order to achieve the above purpose, the present invention adopts the following technical scheme: a low thermal conductivity magnesia-aluminum spinel brick production equipment for lime kiln, including a base and a shell, the shell is installed above the base, and the inside of the shell is provided with a stirring mechanism , the bottom of the casing is provided with a discharging mechanism, the side wall of the base is provided with a chute, a roller is installed inside the chute, a moving plate is installed inside the chute, and the structure of the moving plate is "Z"-shaped structure, a support plate is installed inside the moving plate, a mold is fixedly connected to the upper surface of the support plate, the position of the mold corresponds to the position of the discharge mechanism, and the inner bottom of the base is provided with There is a lifting mechanism, and the position of the lifting mechanism corresponds to the bottom of the support plate.

As a further description of the above technical solutions:

The interior of the casing is fixedly connected with a partition plate, and the interior of the casing is fixedly connected with a fixed plate, the structure of the fixed plate is a cross-shaped structure, and the fixed plate is located above the partition plate.

As a further description of the above technical solutions:

The stirring mechanism comprises a stirring motor, the stirring motor is installed on the inner bottom of the casing, the output end of the stirring motor is fixedly connected with a rotating shaft, and the end of the rotating shaft far away from the stirring motor is fixedly connected with the lower surface of the fixing plate through a bearing, A stirring blade is fixedly connected to the outer surface of the rotating shaft, and there are multiple stirring blades.

As a further description of the above technical solutions:

The side wall of the casing is provided with a card slot, the inside of the card slot is provided with a pull-out plate, the pull-out plate is located above the fixed plate, the inner wall of the casing is fixedly connected with a dividing plate, and the dividing plate is The structure is a cross-shaped structure, and the dividing plate is located above the drawing plate.

As a further description of the above technical solutions:

The discharge mechanism includes a discharge motor, a first discharge port, a second discharge port and a connecting plate, the bottom of the casing is provided with a first discharge port, and the interior of the partition plate is provided with a second discharge port The position of the first discharge port corresponds to the position of the second discharge port, a connecting plate is fixedly connected between the partition plate and the casing, the discharge motor is installed on the inner bottom of the casing, and the discharge The output end of the feeding motor is fixedly connected with a rotating column, and the outer surface of the rotating column is fixedly connected with a rotating blade. The bottom is fixedly connected with a discharging slideway, the discharging slideway is arranged obliquely, and the discharging slideway is located below the second discharging port, and the bottom of the discharging slideway corresponds to the inside of the mold.

As a further description of the above technical solutions:

The lifting mechanism includes a first telescopic motor, the first telescopic motor is installed on the inner bottom of the base, the output end of the first telescopic motor is fixedly connected with a first telescopic rod, and the first telescopic rod is far away from the first telescopic rod. One end of the telescopic motor is fixedly connected with a push plate, and the top of the push plate corresponds to the bottom of the support plate.

As a further description of the above technical solutions:

The inner bottom of the casing is fixedly connected with a second telescopic motor, the output end of the second telescopic motor is fixedly connected with a second telescopic rod, and the end of the second telescopic rod away from the second telescopic motor is fixedly connected with a pressure plate, so The pressing plate is located just above the push plate.

As a further description of the above technical solutions:

A detection mechanism is installed on the lower surface of the casing, and the number of the detection mechanism is multiple.

As a further description of the above technical solution:

Including high-purity magnesia particles, forsterite particles, high-purity magnesia fine powder and low-sodium silica sol, the 3mm high-purity magnesia particles are 50 parts, the 3mm forsterite particles are 40 parts, and the high-purity magnesia fine powder is 10 parts.

The present invention has the following beneficial effects:

1. Compared with the prior art, the lime kiln uses low thermal conductivity magnesia-aluminum spinel brick production equipment, and the material can be stirred and mixed by a stirring mechanism, a discharging mechanism, a lifting mechanism, etc., and the material can be pressed and formed, which is convenient for the material. Subsequent sintering, compared with conventional production equipment requiring manual operation, the device can be used to complete the manufacture of hot magnesia-alumina spinel bricks in an assembly line, which can greatly improve the production of hot magnesia-alumina spinel bricks High efficiency, convenient for the production and manufacture of hot magnesia-alumina spinel bricks.

2. Compared with the prior art, the lime kiln uses low thermal conductivity magnesia-aluminum spinel brick production equipment, through the fixed plate, the slot, the pulling plate and the dividing plate, so that the device can add materials to the pulling and pulling plate when in use. The ingredients are made inside the cavity formed by the plate and the dividing plate. Compared with the conventional pre-batching, this method of batching can check the proportion of various materials while batching, avoiding the phenomenon of batching ratio problems during batching.

3. Compared with the prior art, the lime kiln uses magnesia-alumina spinel bricks with low thermal conductivity, so that the magnesia-alumina spinel bricks can improve the thermal shock resistance of the magnesia-alumina spinel bricks during production and reduce the magnesia-aluminum spinel bricks. Thermal conductivity of spinel bricks.

Description of drawings

Fig. 1 is the overall structure schematic diagram of the low thermal conductivity magnesia-aluminum spinel brick production equipment for lime kiln proposed by the present invention;

Fig. 2 is the first perspective internal structure schematic diagram of the low thermal conductivity magnesia-aluminum spinel brick production equipment for lime kiln proposed by the present invention;

Fig. 3 is an enlarged view of the structure at place A in Fig. 2 of the low thermal conductivity magnesia-aluminum spinel brick production equipment for lime kiln proposed by the present invention;

4 is an enlarged view of the structure at place B in FIG. 2 of the low thermal conductivity magnesia-aluminum spinel brick production equipment for lime kiln proposed by the present invention;

Fig. 5 is the internal structure schematic diagram of the second angle of view of the low thermal conductivity magnesia-aluminum spinel brick production equipment for lime kiln proposed by the present invention;

6 is a schematic structural diagram of a moving plate of a production equipment for low thermal conductivity magnesia-aluminum spinel bricks for lime kilns proposed by the present invention.

illustration:

1. Base; 2. Shell; 3. Separator; 4. Stirring motor; 5. Shaft; 6. Stirring blade; 7. Fixed plate; 8. Card slot; 9. Pulling plate; 10. Dividing plate; 11. Rotating column; 12, rotating blade; 13, connecting plate; 14, discharge chute; 15, first telescopic motor; 16, first telescopic rod; 17, push plate; 18, chute; 19, roller; 20, moving plate; 21, supporting plate; 22, mould; 23, second telescopic motor; 24, second telescopic rod; 25, pressing plate.

Detailed ways

Referring to Figure 1, Figure 2, Figure 3, Figure 4, Figure 5 and Figure 6, the low thermal conductivity magnesia-aluminum spinel brick production equipment for lime kiln provided by the present invention includes a base 1, an outer shell 2, and the outer shell 2 is installed on the base 1 Above the shell 2, a stirring mechanism is arranged inside the shell 2, which is convenient for mixing the production materials of the hot magnesia-aluminum spinel bricks. For discharging, the side wall of the base 1 is provided with a chute 18, which is convenient for installing the moving plate 20 into the interior of the base 1. The inside of the chute 18 is equipped with a roller 19, and the interior of the base 1 is provided with a transmission mechanism, which is controlled by a belt. The roller 19 rotates, thereby achieving the effect of driving the moving plate 20 to move. The moving plate 20 is installed inside the chute 18, and the structure of the moving plate 20 is a "Z"-shaped structure, so that one end of the moving plate 20 can be installed in the chute. 18, the other end is used for the support of the support plate 21, the support plate 21 is installed inside the moving plate 20, which is convenient for the device to undertake the mixed materials, and the upper surface of the support plate 21 is fixedly connected with the mold 22, which is convenient for the device to The mixed material is pressed and formed, and the position of the mold 22 corresponds to the position of the discharge mechanism, so that the mixed material can enter the mold 22 easily. The bottom of the mold 22 corresponds to the bottom of the device. The lifting mechanism enables the device to lift the support plate 21 when in use, and the press plate 25 can complete the effect of pressing and molding the mixed material inside the mold 22, which is convenient for the production and molding of low thermal conductivity magnesia-aluminum spinel bricks.

The interior of the casing 2 is fixedly connected with a partition 3, through which the discharging motor, the stirring motor 4, the first telescopic motor 15, and the second telescopic motor 23 can be protected to prevent the mixed materials from damaging the internal components of the device. The interior of the casing 2 is fixedly connected with a fixed plate 7, the structure of the fixed plate 7 is a cross-shaped structure, and four blanking openings are opened inside the fixed plate 7, so that the materials inside the dividing plate 10 can enter the casing 2 in batches for mixing. Stirring, and the fixed plate 7 is located above the partition plate 3, the side wall of the casing 2 is provided with a card slot 8, and the pull-out plate 9 can be installed inside the casing 2 through the card slot 8, and the inside of the card slot 8 is provided with a pull-out Plate 9, the pull-out plate 9 is located above the fixed plate 7, and the pull-out plate 9 enables the device to first place various materials in the four cavities formed by the split plate 10 and the pull-out plate 9. After the specific quantity of materials is determined, the pull-out plate 9 can be directly taken out, and a variety of materials can be directly dropped into the interior of the shell 2 for stirring and mixing. The proportion of materials, to avoid the problem of the proportion of ingredients during the batching, the inner wall of the casing 2 is fixedly connected with a dividing plate 10, the structure of the dividing plate 10 is a cross-shaped structure, and the inner surface of the dividing plate 10 is marked with scales. The plate 10 is located above the drawer plate 9 .

The stirring mechanism comprises a stirring motor 4, the stirring motor 4 is installed on the inner bottom of the casing 2, the output end of the stirring motor 4 is fixedly connected with a rotating shaft 5, and one end of the rotating shaft 5 away from the stirring motor 4 is fixedly connected with the lower surface of the fixed plate 7 through a bearing, The outer surface of the rotating shaft 5 is fixedly connected with a stirring blade 6, and the number of the stirring blade 6 exists in a plurality, and the rotating shaft 5 is driven to rotate by the stirring motor 4, so that the stirring blade 6 can be rotated, and then the material inside the shell 2 can be processed. mixed effect.

The discharge mechanism includes a discharge motor, a first discharge port, a second discharge port and a connecting plate 13. The bottom of the casing 2 is provided with a first discharge port, and the interior of the partition plate 3 is provided with a second discharge port, and The position of the first discharge port corresponds to the position of the second discharge port. A connecting plate 13 is fixedly connected between the partition plate 3 and the casing 2, and the first discharge port and the second discharge port are connected through the connecting plate 13. It is convenient for the mixed materials inside the device to be discharged smoothly. The discharge motor is installed on the inner bottom of the casing 2, the output end of the discharge motor is fixedly connected with a rotating column 11, and the outer surface of the rotating column 11 is fixedly connected with a rotating blade 12. , through the discharge motor to control the rotation of the rotating column 11, thereby controlling the rotating blade 12 to rotate, so that the material inside the device can be uniformly and quantitatively discharged to the outside of the device under the drive of the rotating blade 12, and the number of rotating blades 12 There are many and the rotating blade 12 is located inside the first discharge port, and the bottom of the casing 2 is fixedly connected with a discharge chute 14. Through the discharge chute 14, the mixed material can be smoothly fed into the mold when the device is in use. Inside the 22, the discharge chute 14 is inclined, and the inclined setting is convenient for the mixed material to enter the inside of the mold 22. Compared with the conventional pipe that falls directly, it can avoid the phenomenon that the material splashes after entering the mold 22. And the discharge chute 14 is located below the second discharge port, and the side wall of the discharge chute 14 is installed with a side plate, which can reduce the drop of the mixed material to the inside of the base 1 during the falling process. The bottom corresponds to the interior of the mold 22 .

The lifting mechanism includes a first telescopic motor 15, the first telescopic motor 15 is installed on the inner bottom of the base 1, the output end of the first telescopic motor 15 is fixedly connected with a first telescopic rod 16, and the first telescopic rod 16 is far away from the first telescopic motor. One end of 15 is fixedly connected with a push plate 17, and the top of the push plate 17 corresponds to the bottom of the support plate 21. The first telescopic motor 15 works so that the push plate 17 can move up and down. When the support plate 21 moves to the push plate 17 After the push plate 17 moves up to lift the support plate 21 from the moving plate 20, it is convenient for the material inside the mold 22 to be filled, and it is convenient for the pressure plate 25 to compact the material inside the mold 22, and the inner bottom of the casing 2 is fixedly connected. There is a second telescopic motor 23 , the output end of the second telescopic motor 23 is fixedly connected with a second telescopic rod 24 , and one end of the second telescopic rod 24 away from the second telescopic motor 23 is fixedly connected with a pressure plate 25 , and the pressure plate 25 is located on the side of the push plate 17 . Right above, the second telescopic motor 23 works so that the pressing plate 25 can move downward. When the pressing plate 17 lifts the supporting plate 21, the pressing plate 25 descends, which can compact the mixed material inside the mold 22, which is convenient for mixing the material. In the subsequent processing, a detection mechanism is installed on the lower surface of the casing 2, and the detection mechanism can be a photoelectric switch, a camera detector, etc. The position of the support plate 21 can be judged by the detection device, thereby facilitating the control of the first telescopic motor 15 and the second telescopic The motor 23 works to achieve the effect of compacting the mixed material inside the mold 22, and the number of detection mechanisms is multiple.

Low thermal conductivity magnesia-alumina spinel bricks for lime kiln include high-purity magnesia particles, forsterite particles, high-purity magnesia fine powder and low-sodium silica sol, 50 parts of 3mm high-purity magnesia particles, 40 parts of 3mm forsterite particles, and high-purity magnesia fine powder 10 parts, when using, mix high-purity magnesia particles, forsterite particles, high-purity magnesia fine powder and low-sodium silica sol, and then shape and compact the mixed materials and put them in a kiln for drying and heating, and sintering and molding.

Working principle: When using, place various materials in the cavity formed by the pull-out plate 9 and the dividing plate 10, and after adjusting the ratio, take out the pull-out plate 9, and the material inside the cavity will fall into the interior of the shell 2, through the The stirring motor 4 works to stir and mix the materials inside the shell 2. After stirring and mixing for a period of time, the discharge motor is turned on, and the unmixed materials left between the first discharge port and the second discharge port are discharged first. , and then start the conveying mechanism to control the roller 19 to operate to drive the moving plate 20 to move, so as to bring the support plate 21 and the mold 22 to the bottom of the discharge chute 14, and then continue to work through the discharge motor to remove the mixed material inside the shell 2. It is introduced into the interior of the mold 22, and the second telescopic motor 23 works to make the pressing plate 25 press down, compacting the mixed material introduced into the mold 22, so as to facilitate the subsequent processing of the mixed material, and then compress the mixed material inside the mold 22. Take it out and put it into a kiln for sintering, so as to obtain the required low thermal conductivity magnesia-alumina spinel brick.

Finally, it should be noted that the above descriptions are only preferred embodiments of the present invention, and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, for those skilled in the art, the The technical solutions described in the foregoing embodiments can be modified, or some technical features thereof can be equivalently replaced, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included. within the protection scope of the present invention.

Claims (9)

1. Lime kiln is with low heat conduction magnalium spinel brick production facility, including base (1), shell (2), the top at base (1), its characterized in that are installed in shell (2): the inside of shell (2) is provided with rabbling mechanism, the bottom of shell (2) is provided with row material mechanism, spout (18) have been seted up to the lateral wall of base (1), the internally mounted of spout (18) has gyro wheel (19), the internally mounted of spout (18) has movable plate (20), and the structure of movable plate (20) is "Z" font structure, the internally mounted of movable plate (20) has backup pad (21), the last fixed surface of backup pad (21) is connected with mould (22), the position of mould (22) is corresponding with the position of arranging material mechanism, the interior bottom of base (1) is provided with elevating system, and elevating system's position is corresponding with the bottom of backup pad (21).

2. The production equipment of the low-heat-conductivity magnesia-alumina spinel brick for the lime kiln according to claim 1 is characterized in that: the inside fixedly connected with baffle (3) of shell (2), the inside fixedly connected with fixed plate (7) of shell (2), the structure of fixed plate (7) is the cruciform structure, and fixed plate (7) are located the top of baffle (3).

3. The production equipment of the low-heat-conductivity magnesia-alumina spinel brick for the lime kiln according to claim 2 is characterized in that: rabbling mechanism includes agitator motor (4), agitator motor (4) are installed at the interior bottom of shell (2), the output fixedly connected with pivot (5) of agitator motor (4), the lower fixed surface that bearing and fixed plate (7) were passed through to the one end that agitator motor (4) were kept away from in pivot (5) is connected, the outer fixed surface of pivot (5) is connected with stirring leaf (6), the quantity of stirring leaf (6) exists a plurality ofly.

4. The production equipment of the low-heat-conductivity magnesia-alumina spinel brick for the lime kiln according to claim 2 is characterized in that: draw-in groove (8) have been seted up to the lateral wall of shell (2), the inside of draw-in groove (8) is provided with pull board (9), pull board (9) are located the top of fixed plate (7), the inner wall fixedly connected with partition plate (10) of shell (2), the structure of partition plate (10) is the cruciform structure, partition plate (10) are located the top of pull board (9).

5. The production equipment of the low-heat-conductivity magnesia-alumina spinel brick for the lime kiln according to claim 2 is characterized in that: the discharging mechanism comprises a discharging motor, a first discharging opening, a second discharging opening and a connecting plate (13), the first discharging opening is formed in the bottom of the shell (2), the second discharging opening is formed in the inside of the partition plate (3), the position of the first discharging opening corresponds to the position of the second discharging opening, the connecting plate (13) is fixedly connected between the partition plate (3) and the shell (2), the discharging motor is installed at the inner bottom of the shell (2), the output end of the discharging motor is fixedly connected with a rotating column (11), the outer surface of the rotating column (11) is fixedly connected with rotating blades (12), the number of the rotating blades (12) is multiple, the rotating blades (12) are located in the first discharging opening, the bottom of the shell (2) is fixedly connected with a discharging slide way (14), the discharging slide way (14) is obliquely arranged, and the discharging slide way (14) is located below the second discharging opening, the bottom of the discharge chute (14) corresponds to the interior of the mold (22).

6. The production equipment of the low-heat-conductivity magnesia-alumina spinel brick for the lime kiln, according to claim 1, is characterized in that: elevating system includes first flexible motor (15), interior bottom at base (1) is installed in first flexible motor (15) is given, the first telescopic link (16) of output fixedly connected with of first flexible motor (15), the one end fixedly connected with push pedal (17) of first flexible motor (15) are kept away from in first telescopic link (16), the top of push pedal (17) corresponds with the bottom of backup pad (21).

7. The production equipment of the low-heat-conductivity magnesia-alumina spinel brick for the lime kiln according to claim 6, is characterized in that: the flexible motor of interior bottom fixedly connected with second (23) of shell (2), the output fixedly connected with second telescopic link (24) of the flexible motor of second (23), one end fixedly connected with clamp plate (25) of the flexible motor of second (23) is kept away from in second telescopic link (24), clamp plate (25) are located push pedal (17) directly over.

8. The production equipment of the low-heat-conductivity magnesia-alumina spinel brick for the lime kiln, according to claim 1, is characterized in that: the lower surface mounting of shell (2) has detection mechanism, detection mechanism's quantity is a plurality of.

9. The low-heat-conduction magnesia-alumina spinel brick for the lime kiln is characterized in that: the high-purity magnesite grain-refining mill comprises 50 parts of high-purity magnesite grains, 40 parts of 3mm forsterite grains and 10 parts of high-purity magnesite fine powder, wherein the high-purity magnesite grains are high-purity magnesite grains, the forsterite grains are high-purity magnesite fine powder and low-sodium silica sol.

Images