CN211977559U

CN211977559U - Promote high temperature furnace kiln of heating homogeneity

Info

Publication number: CN211977559U
Application number: CN202020504265.6U
Authority: CN
Inventors: 吴建东; 方国玺; 宋逸玮
Original assignee: Yixing Kaida Refractory Co ltd
Current assignee: Yixing Kaida Refractory Co ltd
Priority date: 2020-04-08
Filing date: 2020-04-08
Publication date: 2020-11-20
Anticipated expiration: 2030-04-08

Abstract

The utility model relates to a high-temperature furnace kiln for improving heating uniformity, which comprises a kiln body and a pulley, wherein a plurality of burners are arranged on two opposite side walls in the kiln body, the burners are embedded on the inner side wall of the kiln body, and the plurality of burners are distributed annularly along the central position of the inner side wall of the kiln body; the burner comprises a main nozzle and a plurality of auxiliary nozzles connected with the side wall of the main nozzle, wherein the auxiliary nozzles are annularly distributed along the central axis of the main nozzle, and the auxiliary nozzles are arranged in a divergent inclined manner. The burners are annularly distributed on the inner wall of the kiln body, and the plurality of auxiliary nozzles on the burners can heat in all directions respectively, so that the heating uniformity can be improved; the substrate can drive the burner to move circumferentially, and the heating range of the burner can be widened, so that the uniformity of heating the interior of the kiln body by the burner is improved; the platform can rotate on the coaster to can drive the blank on the platform and rotate, make the nozzle can heat a plurality of positions of blank.

Description

Promote high temperature furnace kiln of heating homogeneity

Technical Field

The utility model belongs to the technical field of high temperature furnace kiln technique and specifically relates to a promote high temperature furnace kiln of heating homogeneity.

Background

When the inorganic non-metallic material product is fired, a thermal device, namely a high-temperature furnace kiln, is used. The most common high temperature kilns at present are tunnel kilns, shuttle kilns and rotary kilns.

Among the prior art, the utility model discloses a utility model patent that bulletin number is CN202915704U specifically discloses a high temperature fast burning shuttle kiln, including the kiln body and kiln car, kiln car face brick and insulating brick have set gradually from top to bottom on the kiln car, the internal both sides of kiln respectively are provided with a plurality of burner devices, and the burner device includes the nozzle and takes the burner brick of bocca hole, and the head end of nozzle is facing to the bocca hole, and the internal afterbody of kiln is provided with the flue that communicates with the internal chamber of kiln, all posts polycrystalline silicon fiber cotton on the internal lateral wall of kiln and the internal roof of kiln, leaves the flame expansion joint between burner brick and the kiln car face brick.

The above scheme has the following defects: when a plurality of burner devices on two sides in the kiln body are heated, the burner devices can be heated nearby at first, the central position of the kiln body is heated through heat transfer, the temperature difference between the two sides in the kiln body and the central position of the kiln body can be easily caused, and the high-temperature furnace kiln is not uniformly heated.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model provides a promote high temperature furnace kiln of heating homogeneity can effectively promote the homogeneity of high temperature furnace kiln heating, promotes the heating effect of high temperature furnace kiln.

The above object of the present invention is achieved by the following technical solutions:

a high-temperature furnace kiln for improving heating uniformity comprises a kiln body and pulleys, wherein a plurality of burners are arranged on two opposite side walls in the kiln body, the burners are embedded in the inner side wall of the kiln body, and the burners are annularly distributed along the central position of the inner side wall of the kiln body;

the burner comprises a main nozzle and a plurality of auxiliary nozzles connected with the side wall of the main nozzle, wherein the auxiliary nozzles are annularly distributed along the central axis of the main nozzle, and the auxiliary nozzles are arranged in a divergent inclined manner.

Through adopting above-mentioned technical scheme, a plurality of nozzles are the annular and distribute on the internal wall of kiln, can promote the homogeneity of nozzle to the internal heating of kiln effectively, promote the internal portion of kiln and gather hot effect, a plurality of auxiliary nozzle can heat on a plurality of directions respectively simultaneously, the homogeneity of the internal temperature of kiln has been promoted effectively, the homogeneity of nozzle to the internal heating of stove has further been promoted, thereby promote the heating effect, make the internal portion's of kiln temperature more even, thereby guarantee that high temperature furnace kiln has good performance.

The present invention may be further configured in a preferred embodiment as: the kiln comprises a kiln body, a plurality of burners, a substrate, a plurality of burners and a plurality of fuel channels, wherein the side wall of the kiln body is rotatably connected with the substrate, the substrate is vertically arranged, two inner walls opposite to the kiln body are arranged in parallel, the substrate is embedded on the side wall of the kiln body, the plurality of burners are arranged on the end surface of the substrate around the circumference, the fuel channels are arranged in the substrate, and the plurality of burners are communicated with the fuel channels;

and a first driving device for driving the substrate to rotate in the vertical direction is arranged on the outer side of the kiln body.

Through adopting above-mentioned technical scheme, first drive arrangement drives the base plate and rotates in vertical direction to make a plurality of nozzles that set up on the base plate can carry out cyclic movement on a circumference, thereby can promote the heating range of nozzle, promote the homogeneity of nozzle to the internal heating of kiln.

The present invention may be further configured in a preferred embodiment as: the first driving device comprises a first motor fixedly connected with the kiln body and a speed reducer connected with the output end of the motor, and the speed reducer is connected with the substrate through a connecting shaft.

Through adopting above-mentioned technical scheme, the motor can drive the reduction gear operation, and the reduction gear is again with the moment of torsion and the power transmission of motor for the base plate to drive the base plate operation, the reduction gear can play the effect that reduces rotational speed, promotion moment of torsion, can promote base plate moving stationarity effectively, thereby guarantee the heating homogeneity of nozzle indirectly.

The present invention may be further configured in a preferred embodiment as: the kiln body side wall opposite to the substrate side wall is provided with a first annular groove in sliding connection with the first annular baffle.

Through adopting above-mentioned technical scheme, a plurality of first ring baffle slide with first annular and be connected, can carry out the shutoff to the clearance between base plate and the kiln body, can reduce scattering and disappearing of the inside heat of the kiln body to promote the heating effect of high temperature furnace, promote the working property of high temperature furnace.

The present invention may be further configured in a preferred embodiment as: a plurality of second annular grooves are formed in the side wall of the substrate between the first annular baffles, and second annular baffles which are in sliding connection with the second annular grooves are fixedly connected to the side wall of the kiln body between the first annular grooves.

Through adopting above-mentioned technical scheme, crisscross setting between second annular baffle and the first annular baffle can further carry out the shutoff to the gap between base plate and the kiln body, reduces scattering and disappearing of the inside heat of the kiln body, promotes the inside heat gathering effect of kiln, promotes the working property of high temperature furnace.

The present invention may be further configured in a preferred embodiment as: the both sides that the coaster was carried on the back mutually all are provided with the closing plate, the closing plate slope sets up, and the contained angle between closing plate up end and the coaster lateral wall is the acute angle, all set up the seal groove of being connected with the closing plate slides on the relative both sides wall of kiln body.

By adopting the technical scheme, when the pulley enters the kiln body, the sealing plates can be connected with the sealing grooves, so that gaps between the pulley and the kiln body can be plugged, and the plugging effect of the gaps can be effectively improved by connecting the sealing plates with the sealing grooves; the sealing plate is arranged obliquely, so that high-temperature gas in the kiln body is not easy to leak from a gap between the sealing plate and the pulley, and the plugging effect of the sealing plate can be improved.

The present invention may be further configured in a preferred embodiment as: the tackle upper end is rotatably connected with a platform, the platform is horizontally arranged, and the tackle lower end is fixedly connected with a second driving device for driving the platform to rotate in the horizontal direction.

Through adopting above-mentioned technical scheme, second drive arrangement can drive the platform and rotate on the coaster, and the blank that needs to fire is placed on the platform to push the internal portion of kiln through the coaster, fire the blank, when the blank is fired, the platform can with drive the blank and rotate at the internal portion of kiln, thereby the nozzle of being convenient for can fire each position of blank, promote the homogeneity of nozzle heating, promote the effect of firing of high temperature furnace kiln.

The present invention may be further configured in a preferred embodiment as: the second driving device comprises a second motor fixedly connected with the pulley, a worm connected with the output end of the second motor and a worm wheel meshed with the worm, and the worm wheel is horizontally arranged and fixedly connected with the lower end of the platform through a connecting shaft.

Through adopting above-mentioned technical scheme, the second motor drives the worm and rotates to can drive the worm wheel and rotate, the worm wheel drives the platform again and rotates. The worm gear meshes mutually and can play the effect of speed reduction, can reduce the platform rotational speed, promotes the moment of torsion of worm wheel for the platform rotates ground more stably.

To sum up, the utility model discloses a following at least one useful technological effect:

1. the burners are annularly distributed on the inner wall of the kiln body, and the auxiliary nozzles on the burners can heat in all directions respectively, so that the uniformity of heating the interior of the kiln body can be improved;

2. the substrate can drive the burner to move circumferentially, and the heating range of the burner can be widened, so that the uniformity of heating the interior of the kiln body by the burner is improved;

3. the platform can rotate on the coaster to can drive the blank on the platform and rotate, make the nozzle can heat a plurality of positions of blank, promote the working property of high temperature furnace kiln.

Drawings

FIG. 1 is used for showing the connection relationship between a furnace door and a kiln body;

FIG. 2 is a schematic view of the construction of a high temperature furnace;

FIG. 3 is an enlarged partial schematic view of portion A of FIG. 2;

FIG. 4 is a view showing the connection relationship between the substrate and the kiln body;

fig. 5 is a view for showing the structure of the second driving device.

In the figure, 1, a kiln body; 11. a first ring groove; 12. a second annular baffle; 13. a sealing groove; 14. a track; 15. a furnace door; 2. a substrate; 21. a first annular baffle; 22. a second ring groove; 23. a fuel passage; 3. burning a nozzle; 31. a main nozzle; 32. a secondary nozzle; 4. a first driving device; 41. a first motor; 42. a speed reducer; 43. a connecting shaft; 5. a pulley; 51. a sealing plate; 6. a platform; 7. a second driving device; 71. a second motor; 72. a worm; 73. a worm gear.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1 and 2, in order to provide the high temperature furnace for improving the heating uniformity of the present invention, the high temperature furnace comprises a furnace body 1, a pulley 5 arranged in the furnace body 1, and a furnace door 15 connected with the furnace body 1, wherein a furnace opening is arranged on one side of the furnace body 1, the furnace door 15 is hinged with the furnace body 1 on one side of the furnace opening, and the furnace door 15 can seal the furnace opening to ensure the normal operation of the high temperature furnace; a track 14 is laid below the pulley 5, the pulley 5 can slide on the track 14, and a worker can push the pulley 5 into the kiln body 1 through a kiln opening along the track 14.

Referring to fig. 2, two opposite side walls inside a kiln body 1 are rotatably connected with a circular substrate 2, the substrate 2 is vertically arranged and is arranged in parallel with the two opposite side walls inside the kiln body 1, the substrate 2 is embedded on the side walls of the kiln body 1, and the end surface of the substrate 2 facing the inside of the kiln body 1 and the inner side walls of the kiln body 1 are positioned on the same plane; the other end face of the substrate 2 is connected to a first driving device 4 at the center thereof.

Referring to fig. 2, the first driving device 4 is disposed outside the kiln body 1, the first driving device 4 includes a first motor 41 fixedly connected to the kiln body 1 and a speed reducer 42 fixedly connected to an output end of the first motor 41, an output end of the speed reducer 42 is fixedly connected to a central position of the substrate 2 through a connecting shaft 43, and a box body of the speed reducer 42 is fixedly connected to the kiln body 1, so that the motor can drive the substrate 2 to rotate on the kiln body 1.

Referring to fig. 2, four burners 3 are embedded on each substrate 2, the four burners 3 are annularly distributed around the central position of the substrate 2 and are fixedly connected with the substrate 2, referring to fig. 3, each of the four burners 3 comprises a main nozzle 31 and three auxiliary nozzles 32 fixedly connected with the side wall of the main nozzle 31, the three auxiliary nozzles 32 are annularly distributed around the axis of the main nozzle 31, and an included angle between each of the auxiliary nozzles 32 and the corresponding main nozzle 31 is an acute angle. The main nozzle 31 fires and the auxiliary nozzles 32 fire in different directions, and heat the inside of the kiln body 1 together with the main nozzle 31.

Referring to fig. 4, a fuel channel 23 is provided inside the substrate 2, the fuel channel 23 can be connected with a fuel source through a pipe, and the dye channel 23 and the pipe are rotatably connected so that the substrate 2 can rotate normally and the fuel supply of the burners 3 is ensured, and the four burners 3 are all communicated with the fuel channel 23 so that the fuel source supplies fuel to the four burners 3.

Referring to fig. 4, two first annular baffles 21 are fixedly connected to the peripheral side wall of the substrate 2, two second annular baffles 12 are fixedly connected to the side walls of the kiln body 1 opposite to the peripheral side wall of the substrate 2, the two first annular baffles 21 and the two second annular baffles 12 are arranged in a staggered manner, a second annular groove 22 and a first annular groove 11 are respectively formed in the substrate 2 and the kiln body 1, the first annular groove 11 and the first annular baffle 21 are connected in a sliding manner, the second annular groove 22 and the second annular baffle 12 are connected in a sliding manner, the first annular baffle 21 and the second annular baffle 12 can block gaps between the substrate 2 and the kiln body 1, so that the dissipation of heat inside the kiln body 1 is reduced, and the heat-gathering effect inside the kiln body 1 is favorably improved.

Referring to fig. 4, two opposite sides of the pulley 5 are fixedly connected with two sealing plates 51, the sealing plates 51 are arranged along the horizontal direction, and one side of each sealing plate 51, which is far away from the pulley 5, is inclined obliquely upwards, so that an included angle between the upper end surface of each sealing plate 51 and the side wall of the pulley 5 is an acute angle; two sealing grooves 13 which are respectively connected with the sealing plates 51 in a sliding manner are formed in two opposite side walls of the kiln body 1, and the four sealing plates 51 are respectively connected with the corresponding sealing grooves 13 in a sliding manner, so that the sealing plates 51 can block gaps between the pulley 5 and the kiln body 1, and the heat loss in the kiln body 1 is reduced.

Referring to fig. 4, the upper end of the pulley 5 is rotatably connected with a cylindrical platform 6, and the upper end face of the platform 6 can be used for placing blanks.

Referring to fig. 5, the lower end of the trolley 5 is provided with a second driving device 7 for driving the platform 6 to rotate in the horizontal direction, the second driving device 7 comprises a second motor 71 fixedly connected with the trolley 5, a worm 72 coaxially and fixedly connected with the output end of the second motor 71, and a worm wheel 73 engaged with the worm 72, the worm 72 and the worm wheel 73 are both horizontally arranged and engaged, and the worm wheel 73 is fixedly connected with the lower end of the platform 6 through a transmission shaft. The second motor 71 can drive the platform 6 to rotate through the worm gear 73 and the worm 72, so that the blank on the platform 6 rotates along with the platform 6, and the blank is heated more uniformly.

The implementation principle of the embodiment is as follows: placing the blank on a platform 6, and pushing a pulley 5 into the kiln body 1 along a rail 14; and simultaneously starting the first motor 41 and the second motor 71, wherein the first motor 41 drives the substrate 2 to rotate, so as to drive the burner 3 to move circumferentially.

Opening the burner 3, and heating the interior of the kiln body 1 by the burner 3 so as to fire the blank; the second motor 71 drives the platform 6 to rotate, so that each position of the blank can face the burner 3, and the burner 3 heats the blank more uniformly.

The embodiments of the present invention are the preferred embodiments of the present invention, and the protection scope of the present invention is not limited by this, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a promote high temperature furnace kiln of heating homogeneity, includes the kiln body (1) and sets up coaster (5) in the kiln body (1), its characterized in that: a plurality of burners (3) are arranged on two opposite side walls in the kiln body (1), the burners (3) are embedded on the inner side wall of the kiln body (1), and the burners (3) are annularly distributed along the central position of the inner side wall of the kiln body (1);

the burner (3) comprises a main nozzle (31) and a plurality of auxiliary nozzles (32) connected with the side wall of the main nozzle (31), the auxiliary nozzles (32) are annularly distributed around the central axis of the main nozzle (31), the auxiliary nozzles (32) are obliquely arranged, and an included angle between each auxiliary nozzle (32) and the corresponding main nozzle (31) is an acute angle.

2. The high temperature furnace according to claim 1, wherein: the kiln comprises a kiln body (1), a substrate (2) is rotatably connected to the side wall of the kiln body (1), the substrate (2) is vertically arranged, two inner walls opposite to the kiln body (1) are arranged in parallel, the substrate (2) is embedded in the side wall of the kiln body (1), a plurality of burners (3) are arranged on the end face of the substrate (2) around the circumference, a fuel channel (23) is arranged in the substrate (2), and the burners (3) are communicated with the fuel channel (23);

and a first driving device (4) for driving the substrate (2) to rotate in the vertical direction is arranged on the outer side of the kiln body (1).

3. The high temperature furnace according to claim 2, wherein: the first driving device (4) comprises a first motor (41) fixedly connected with the kiln body (1) and a speed reducer (42) connected with the output end of the motor, and the speed reducer (42) is connected with the substrate (2) through a connecting shaft (43).

4. The high temperature furnace according to claim 2, wherein: the kiln body is characterized in that a plurality of first annular baffles (21) are fixedly connected to the circumference of the side wall of the base plate (2), and first annular grooves (11) which are connected with the first annular baffles (21) in a sliding mode are formed in the side wall of the kiln body (1) opposite to the side wall of the base plate (2).

5. The high temperature furnace according to claim 4, wherein: a plurality of second annular (22) have been seted up on base plate (2) lateral wall between first annular baffle (21), fixedly connected with and second annular (22) sliding connection's second annular baffle (12) on kiln body (1) lateral wall between a plurality of first annular (11).

6. The high temperature furnace according to claim 1, wherein: tackle (5) both sides that carry on the back mutually all are provided with closing plate (51) along the horizontal direction, closing plate (51) slope sets up, and contained angle between closing plate (51) up end and tackle (5) lateral wall is the acute angle, all set up seal groove (13) of being connected with closing plate (51) slide on the relative both sides wall of the kiln body (1).

7. The high temperature furnace according to claim 6, wherein: tackle (5) upper end is rotated and is connected with platform (6), platform (6) level sets up, tackle (5) lower extreme fixedly connected with drive platform (6) horizontal direction pivoted second drive arrangement (7).

8. The high temperature furnace according to claim 7, wherein: the second driving device (7) comprises a second motor (71) fixedly connected with the pulley (5), a worm (72) connected with the output end of the second motor (71) and a worm wheel (73) meshed with the worm (72), and the worm wheel (73) is horizontally arranged and fixedly connected with the lower end of the platform (6) through a connecting shaft (43).