CN219098979U

CN219098979U - Glass kiln

Info

Publication number: CN219098979U
Application number: CN202320063406.9U
Authority: CN
Inventors: 祖宇清; 胡神明; 李龙
Original assignee: Irico Hefei LCD Glass Co Ltd
Current assignee: Irico Hefei LCD Glass Co Ltd
Priority date: 2023-01-09
Filing date: 2023-01-09
Publication date: 2023-05-30
Anticipated expiration: 2033-01-09

Abstract

The utility model discloses a glass furnace, which comprises a melting tank consisting of a front tank wall, a rear tank wall, side tank walls, a furnace bottom and a furnace top, wherein a feed port is arranged on the front tank wall of the melting tank, a flow dividing wall parallel to the front tank wall is arranged between the two side tank walls of the melting tank, a stacking area is formed between the flow dividing wall and the front tank wall, a flow area is formed between the flow dividing wall and the rear tank wall, flow dividing holes distributed in a grid shape are formed in the flow dividing wall, a first flame spray gun is arranged on the furnace top of the melting tank, and the first flame spray gun is positioned right above the stacking area and the muzzle is vertically downward. The glass kiln can enable the blocking below the feeding port to be stable through the flow dividing wall, can prevent the glass powder at the position of the material pile from being blocked due to the collapse of the material pile, can provide a large amount of heat energy for the glass powder at the position of the material pile through the first flame spray gun, enables the materials to be melted rapidly and uniformly, enables the melted materials to flow uniformly through the flow dividing hole of the flow dividing wall, and can improve the quality of finished products.

Description

Glass kiln

Technical Field

The utility model relates to the technical field of glass melting production equipment, in particular to a glass kiln.

Background

In the glass production process, a glass kiln generally adopts an electric mixing heating mode to melt glass powder. The upper part of the kiln is generally heated by oxy-fuel combustion, and the lower part of the kiln is generally heated by a plurality of electrode heating modes to melt glass powder. In the process that the glass powder enters the kiln through the feed port, the glass powder is mainly melted by the heat radiation of the flame sprayed by the heating burning gun, the temperature is insufficient to sufficiently melt the glass powder at the moment, a non-melting state is formed, a material pile with different sizes is formed below the feed port, and then the material pile starts to be melted gradually under the condition that the electrode and the burning gun are continuously heated, so that glass liquid continuously flows forwards.

In the process of continuously melting the glass powder, the surface continuously absorbs heat, the viscosity is increased, and a foam layer is formed on the surface of the glass liquid. The new glass powder continuously enters the feed opening, so that the heat required near the feed opening is much higher than that at the rear. When the material pile is piled up to a certain degree, the phenomenon that the material pile swings left and right and even collapses can occur, so that the temperature inside the kiln is unstable, and the flow of glass liquid is blocked. The fluidity of the glass melt has an important effect on the movement of molten glass, unmelted batch and bubbles, glass forming, glass homogenization, erosion of refractory materials. Therefore, it is important to control the position, distribution of the batch pile and the flow of the molten glass.

On the other hand, if the port temperature is too low, the low temperature melting is not only slow, but the most easily melted components flow out of the pile, causing refractory materials remaining on the surface to be difficult to melt, streaks and stones to form in the glass melt, and furthermore, the easily melted materials will erode the refractory materials and cause glass forming defects.

Disclosure of Invention

In order to solve the technical problems in the background technology, the utility model provides a glass kiln.

The utility model provides a glass furnace, which comprises a melting tank consisting of a front tank wall, a rear tank wall, side tank walls, a furnace bottom and a furnace top, wherein a feed port is arranged on the front tank wall of the melting tank, a flow dividing wall parallel to the front tank wall is arranged between the two side tank walls of the melting tank, a stacking area is formed between the flow dividing wall and the front tank wall, a flow area is formed between the flow dividing wall and the rear tank wall, flow dividing holes distributed in a grid shape are formed in the flow dividing wall, a first flame spray gun is arranged on the furnace top of the melting tank, and the first flame spray gun is positioned right above the stacking area and the muzzle is vertically downward.

Preferably, the rear wall of the melting tank is fitted with a horizontal second flame lance, and the muzzle of the second flame lance is directed towards the front wall.

Preferably, the height of the second flame spray gun is level with the height of the feed opening.

Preferably, the height of the dividing wall is lower than the height of the feeding port.

Preferably, the diverter wall is constructed from mullite bricks.

Preferably, the number of the feed inlets is two.

According to the glass kiln disclosed by the utility model, the blocking below the material inlet can be stabilized through the flow dividing wall, the phenomenon that the fluidity of glass liquid is blocked due to collapse of a material pile can be prevented, meanwhile, a large amount of heat energy can be provided for glass powder at the material pile through the first flame spray gun, so that the materials are melted rapidly and uniformly, the melted materials can flow uniformly through the flow dividing hole of the flow dividing wall, the temperature fluctuation and the liquid level fluctuation in the kiln can be prevented, and the quality of a finished product is improved.

Drawings

FIG. 1 is a cutaway top view of a glass furnace as set forth in the examples;

FIG. 2 is a rear cross-sectional view of a glass kiln as set forth in the examples _。

Detailed Description

Referring to fig. 1-2, a glass furnace according to an embodiment of the present utility model includes a melting tank 1, where the melting tank 1 is formed by surrounding a front tank wall 11, a rear tank wall 12, a side tank wall 13, a furnace bottom 14 and a furnace top 15, the front tank wall 11 of the melting tank 1 is provided with a feeding port 16, and two feeding ports 16 can be provided according to the width of the front tank wall 11 of the melting tank 1, so that materials entering the furnace are more uniform.

The split wall 2 parallel to the front pool wall 11 is arranged between the two side pool walls 13 of the melting pool 1, the split wall 2 is built by mullite bricks with high zirconium content, and the split wall has the advantages of high mechanical strength at normal temperature and high temperature, good thermal shock stability, re-burning shrinkage and low creep at high temperature. Since the stacking height generally does not exceed the feed opening 16, the height of the diverter wall 2 is only required to be lower than the height of the feed opening 16. The division wall 2 is positioned close to the front pool wall 11, a stacking area is formed between the division wall 2 and the front pool wall 11, a flowing area is formed between the division wall 2 and the rear pool wall 12, and division holes 21 distributed in a grid shape are formed in the division wall 2.

The furnace roof 15 of the melting tank 1 is provided with a first flame spray gun 3, the first flame spray gun 3 is positioned right above the stacking area, the muzzle of the first flame spray gun is vertically downward, and the first flame spray gun 3 can freely adjust the angle by 360 degrees.

The rear wall 12 of the melting tank 1 of the glass furnace in this embodiment is also fitted with a horizontal second flame spray gun 4, with the muzzle of the second flame spray gun 4 facing the front wall 11. The height of the second flame spray gun 4 is equal to the height of the feeding hole 16, and the second flame spray gun 4 can also freely adjust the angle by 360 degrees.

When the glass kiln of the embodiment works, glass powder flows into the melting tank 1 from the feed port 16, the glass powder near the feed port 16 is in a solid-liquid mixed state, a material pile is formed in a material pile area, the material pile can be kept stable by the flow dividing wall 2, and the collapse of the material pile and the deterioration of the fluidity of glass liquid flowing into the rear are prevented. Since the glass powder at the feed port 16 is continuously fed, a large amount of heat is required to be absorbed, a large amount of heat energy can be provided by starting the first flame spray gun 3 to quickly and uniformly melt the powder, and meanwhile, molten glass uniformly passes through the flow distribution holes 21 on the flow distribution wall 2, so that a good buffering effect is achieved, and the glass liquid level can be prevented from generating larger fluctuation. In addition, the second flame spray gun 4 positioned on the rear tank wall 12 can synchronously adjust the glass liquid temperature in the horizontal direction, so that the glass liquid in the whole kiln is uniformly distributed in temperature gradient, and the glass liquid flows smoothly and stably, thereby improving the product quality.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims

1. The utility model provides a glass kiln, a serial communication port, include melting tank (1) that comprises preceding pool wall (11), back pool wall (12), side pool wall (13), stove bottom (14) and furnace roof (15), preceding pool wall (11) of melting tank (1) are equipped with feed port (16), be equipped with between two side pool walls (13) of melting tank (1) for preceding pool wall (11) parallel division wall (2), form the windrow district between division wall (2) and preceding pool wall (11), form the flow district between division wall (2) and back pool wall (12), be equipped with on division wall (2) and be net shape distribution's reposition of redundant personnel hole (21), first flame spray gun (3) are installed to furnace roof (15) of melting tank (1), first flame spray gun (3) are located directly over the windrow district and the muzzle is vertical down.

2. A glass furnace according to claim 1, characterized in that the rear wall (12) of the melting tank (1) is fitted with a horizontal second flame lance (4) and the muzzle of the second flame lance (4) is directed towards the front wall (11).

3. The glass furnace according to claim 2, characterized in that the height of the second flame spray gun (4) is level with the height of the feed opening (16).

4. Glass kiln according to claim 1, characterized in that the height of the dividing wall (2) is lower than the height of the feed opening (16).

5. The glass kiln according to claim 4, characterized in that the diverter wall (2) is built from mullite bricks.

6. Glass kiln according to claim 1, characterized in that the number of feed openings (16) is two.