CN209906611U

CN209906611U - Breast wall brick and breast wall for gradient oxygen-increasing combustion glass melting furnace and glass melting furnace

Info

Publication number: CN209906611U
Application number: CN201920554814.8U
Authority: CN
Inventors: 黄治斌; 牟竹生
Original assignee: Qinhuangdao Glass Industry Research And Design Institute Co Ltd
Current assignee: Qinhuangdao Glass Industry Research And Design Institute Co Ltd
Priority date: 2019-04-23
Filing date: 2019-04-23
Publication date: 2020-01-07
Anticipated expiration: 2029-04-23

Abstract

The utility model discloses a wall brick, breast wall and glass melting furnace for gradient oxygenation burning glass melting furnace is lieing in the platform that extends earlier on is established at the wall brick outside middle part in the glass melting furnace outside, be equipped with a blind hole on the platform, the blind hole with the melting portion stand of glass melting furnace passes through the anchor drag hook and connects. The utility model discloses a mechanical force prevents that the breast wall from inclining to the kiln, makes the gravity center of breast wall brick skew to some extent outside the kiln simultaneously, has improved the stability of breast wall. The utility model discloses an anti tilt performance of chest wall brick is good among gradient oxygenation burning glass melting furnace, and the anti fracture performance of couple brick is good for glass melting furnace overall structure stability is good, simple structure, do benefit to the preparation and build by laying bricks or stones, can ensure that gradient oxygenation burning glass melting furnace moves a whole kiln age that reaches 10 years smoothly safely.

Description

Breast wall brick and breast wall for gradient oxygen-increasing combustion glass melting furnace and glass melting furnace

Technical Field

The utility model relates to a glass processing technology field especially relates to a gradient oxygenation burns breastwall brick for glass melting furnace, by the breastwall that this breastwall brick formed to and contain the glass melting furnace of this breastwall.

Background

The gradient oxygen-enriched combustion of the glass melting furnace is to gradually change the traditional air-fuel combustion system into an oxygen-fuel combustion system, and in the combustion process, air is gradually replaced by oxygen in a gradient form. The fuel can be burnt more completely by gradient oxygen increasing, and the combustion products are mainly CO₂And H₂O(g)，CO₂And H₂O (g) concentration is much higher than air-fuel combustion. CO 2₂And H₂O (g) is the primary gas affecting the emission and absorption of radiant energy from the flame, CO being the combustion product of the gradient oxygen-enhanced combustion₂And H₂The concentration of O (g) is high, so the flame radiation capability of the gradient oxygen-increasing combustion is strong, the flame temperature is higher, and the temperature of the flame radiation glass liquid can be improved by about 100 ℃. In addition, since only a small amount of air participates in combustion, the amount of generation of pollution gas such as nitrogen oxide is also small.

As can be seen from the above, the combustion products of the gradient oxygen-increasing combustion contain water vapor, and the content of the water vapor in the flue gas generated by the gradient oxygen-increasing combustion glass melting furnace can reach 53 percent at most. The glass raw material (formed by mixing various powdery mineral raw materials and chemical raw materials) can generate alkali vapor in the melting process, and the alkali vapor is combined with water vapor in flue gas and then cooled and condensed at the breast wall, crown and the like of the glass melting furnace to form alkali liquid drops. The alkaline liquid drops can greatly aggravate the erosion to the breast wall and the hooks of the gradient oxygen-enriched combustion glass melting furnace, so that the breast wall is inclined, the hooks are broken, and the integral stability of the hooks of the whole breast wall cannot be ensured, so that the glass melting furnace cannot safely run in the whole furnace age period, the molten glass needs to be put in advance for cold repair, and the production is delayed.

SUMMERY OF THE UTILITY MODEL

The utility model aims at the technical defect who exists among the prior art, the first aspect provides a gradient oxygenation burning glass breast wall brick for melting furnace that can prevent the breast wall slope, is lieing in the platform that extends earlier on is established at the breast wall brick outside middle part in the glass melting furnace outside, be equipped with a blind hole on the platform, the blind hole with the portion stand that melts of glass melting furnace passes through the anchor drag hook and connects.

The width of the outward extension of the platform is 80mm-100mm, the length of the outward extension of the platform is the same as that of the outer side face of the breast wall brick, and the distance between the outward extension of the platform and the top face of the breast wall brick is 220mm-300 mm.

The length of the platform is 300mm-400 mm.

The diameter of the blind hole is 25mm-35 mm.

The depth of the blind hole is 100mm-150 mm.

The seam between the platform and the side face of the breast wall brick is arc-shaped, and the radius of the arc is 20mm-25 mm.

In a second aspect, the utility model provides a breast wall for gradient oxygenation burning glass melting furnace, including the polylith with the breast wall brick of dry masonry mode concatenation, the breast wall brick is above-mentioned gradient oxygenation burning breast wall brick for glass melting furnace, still including being used for connecting the anchor drag hook of melting portion stand in breast wall brick and the glass melting furnace.

The anchor draw hook passes through blind hole on the breast wall brick with the portion stand that melts is connected, and anchor draw hook one end hooks the blind hole, and the other end passes through the bolt and is connected with the portion stand that melts.

The third aspect of the utility model provides a gradient oxygen-increasing combustion glass melting furnace, which comprises a breast wall, a hook, a skewback beam, a melting part arch, a support bracket, a melting part upright post, a melting tank and a brace; the melting tank is positioned at the bottom of the gradient oxygen-enriched combustion glass melting furnace, the breast wall and the hook are positioned above the edge of the melting tank, the skewback and the lower side of the main crown of the melting part are laid on the hook in a dry mode, the hook is independently supported by the support bracket, and the breast wall is used for the gradient oxygen-enriched combustion glass melting furnace.

The hook comprises a plurality of hook bricks spliced in a dry masonry mode, the bottom of the hook head of each hook brick is an inclined plane, and the included angle between the inclined plane and the horizontal plane is 10-15 degrees.

The utility model provides a platform is established in the gradient oxygenation burning glass breast wall brick outside for the melting furnace, and it has the anchor to bore on the platform and draws the hole, hooks the breast wall brick through the first hook of anchor drag hook, and the hook tail of anchor drag hook and for the melting furnace stand bolted connection prevent through the mechanical force that the breast wall from to the kiln internal inclination, make the gravity center of breast wall brick to the kiln outside to some extent squint simultaneously, improved the stability of breast wall.

Furthermore, the utility model provides a gib head bottom of couple brick in gradient oxygen boost burning glass melting furnace is gentle inclined plane, has avoided the production of tiny crackle in the manufacturing process, can prevent to get in touch the fracture that brick gib head leads to because of the difference in temperature in the use.

The utility model discloses an anti tilt performance of chest wall brick is good among gradient oxygenation burning glass melting furnace, and the anti fracture performance of couple brick is good for glass melting furnace overall structure stability is good, simple structure, do benefit to the preparation and build by laying bricks or stones, can ensure that gradient oxygenation burning glass melting furnace moves a whole kiln age that reaches 10 years smoothly safely.

Drawings

FIG. 1 is a schematic view showing the structure of the glass melting furnace of the present invention;

FIG. 2 is a schematic structural view of the breast wall brick of the present invention;

FIG. 3 is a schematic view showing the construction of a hook brick in the glass melting furnace of the present invention;

FIG. 4 is a schematic view showing the structure of a breast wall brick in a conventional glass melting furnace;

FIG. 5 is a schematic view showing the structure of a hook brick in a conventional glass melting furnace.

Detailed Description

In order to improve the life of gradient oxygenation burning glass melting furnace, the utility model discloses improved the structure of breastwall brick and couple brick, avoided the breastwall slope through mechanical tractive mode, avoided the fracture of couple brick through the structure that changes couple brick gib head to guarantee the holistic stability of glass melting furnace, the kiln age is crossed safely.

On the one hand, the utility model discloses lean on one side in the glass melting furnace outside to establish a platform at current breastwall brick 1 ' (see figure 4), bore a diameter on the platform and be 25mm-35mm, the degree of depth is 100mm-150 mm's cylinder hole, makes the anchor drag hook with diameter 20mm-30 mm's heat-resisting round steel, and the cylinder hole of breastwall brick is hooked to anchor drag hook head, and anchor drag hook tail end passes through the bolt and is connected with melting portion stand. The breast wall brick is pulled to the outside of the melting furnace by the mechanical force of the anchor hook, so that the breast wall is prevented from inclining to the inside of the furnace; meanwhile, the platform arranged on the outer side of the breast wall brick can enable the gravity center of the breast wall brick to deviate to the outside of the kiln, and the stability of the breast wall is further improved.

On the other hand, as shown in fig. 5, the bottom of the hook head 2 'of the traditional hook brick is in a semi-circular arc shape (see a' in fig. 5), when the brick is manufactured at a high temperature, the stress at the semi-circular arc hook head is concentrated, and the stress is not easy to release during cooling, so that fine cracks are easily generated, and along with the flame reversing during the heating and production operation of the melting furnace, the temperature fluctuates, and the temperature difference causes the hook head part to be easily dropped or broken, so that the flame directly burns out a steel member supporting the melting furnace, and the service life of the melting furnace is shortened. The utility model discloses in design the gib head bottom of couple brick for gentle inclined plane, gib head department can not produce the crackle when the preparation, and the gib head that flame switching-over difference in temperature caused when having avoided the melting furnace intensification and having produced the operation damages.

The present invention will be described in more detail and further illustrated with reference to specific examples, which are not intended to limit the present invention in any way.

The utility model provides a gradient oxygen enrichment burning glass melting furnace, as shown in figure 1, including breast wall I, couple II, punt roof beam III, melting portion big punt IV, support bracket V, melting portion stand VI, melting tank VII, brace VIII and anchor drag hook IX. The melting tank VII is located at the bottom of the gradient oxygen-enriched combustion glass melting furnace, the breast wall I and the hook II are located above the edge of the melting tank VII, the arch foot beam III and the melting part main arch IV are located below, the breast wall I is laid on the hook II in a dry mode, and the hook II is independently supported by the support bracket V.

The breast wall I is formed by splicing and assembling 20-50 breast wall bricks 1 in a dry masonry mode, the shape of the breast wall bricks 1 is shown in figure 2, and the specific number of the breast wall bricks is determined by the scale of a melting furnace.

And the hook II is formed by splicing and assembling 40-70 hook bricks 2 in a dry masonry mode, the shape of the hook bricks 2 is shown in figure 3, and the specific number of the hook bricks is determined by the scale of the melting furnace.

The utility model provides a gradient oxygen-increasing combustion glass melting furnace breast wall which is formed by 20-50 breast wall bricks 1 through splicing and assembling in a dry masonry mode (the number of the breast wall bricks is determined by the scale of the melting furnace), as shown in figure 2, the breast wall brick 1 is provided with a platform 4 extending to the outside of the glass melting furnace at the middle part of the outside of the breast wall brick at the outside of the glass melting furnace, namely, a platform 4 is arranged at the side close to a melting part upright post VI, the joint of the platform 4 and the side surface of the breast wall brick 1 adopts circular arc treatment, the width a of the platform 4 is 80mm-100mm, the length b is 300mm-400mm, the space height c is 220mm-300mm, the circular arc radius R is 20mm-25mm (the width a is the horizontal direction of the breast wall brick in figure 2, namely the thickness direction of the breast wall, namely, the width extending outwards of the platform 4, is shown as the horizontal direction in figure 1, the length b is the depth direction of the breast wall brick in figure, the length of the outer side face of the breast wall brick is the same as that of the outer side face of the breast wall brick, namely the depth direction of the breast wall I and the direction from the vertical paper surface to the inside in the figure 1; height c is the distance from the surface of the platform 4 to the top surface of the breast wall tile). The platform 4 is provided with a blind hole, namely an anchor hole 3, and the diameter phi of the blind hole is 25mm-35mm, and the depth of the blind hole is 100mm-150 mm. The anchor pulling hole 3 on the breast wall brick platform 4 is connected with the melting part upright post VI by an anchor pulling hook IX which is a universal part in the industry, the diameter of the anchor pulling hook IX is 20mm-30mm, the anchor pulling hook IX is made of heat-resistant steel, the hook head of the anchor pulling hook hooks the cylindrical anchor pulling hole 3 on the breast wall brick platform 4, and the tail end of the anchor pulling hook IX is connected with the melting furnace upright post VI by a bolt. The breast wall is prevented from inclining towards the interior of the kiln through mechanical force; platform 4 of breast wall brick 1 has increased the weight of breast wall brick 1 for the focus of breast wall I has some offsets to melting furnace stand VI side, has improved the stability of breast wall like this, has reduced the interior slope nature of breast wall brick to the kiln.

The hook II is formed by splicing and assembling 40-70 hook bricks 2 in a dry masonry mode (the specific number of the hook bricks is determined by the scale of the melting furnace), as shown in figure 3, the bottom of the hook head 5 of each hook brick 2 is connected with an A surface which is changed into a gentle inclined surface from an arc surface, and the included angle theta between the inclined surface and the horizontal plane is 10-15 degrees, so that the stress concentration of the part caused by fine cracks generated in the manufacturing process of the hook bricks 2 is avoided, the problem that the broken end of the hook bricks 2 from the A surface is damaged due to the temperature fluctuation when the high-temperature flame of the melting furnace is reversed when the temperature rises and the production of the melting furnace is carried out is solved, and the support bracket V is effectively protected from being directly ablated by the.

The gravity center is shifted to the outside of the furnace due to the action of mechanical force of the anchor hook and the increase of the platform of the breast wall brick, so that the overall stability and safety of the breast wall are improved, and the breast wall is prevented from inclining to the inside of the melting furnace; the connection surface A of the hook brick is improved from an arc to an inclined surface, so that the stress concentration at the connection surface A is avoided, and the problem of broken end ablation of the surface A of the hook brick caused by the temperature difference of high-temperature flame of the melting furnace is solved. The safe operation of the melting furnace is ensured by processing the problems, and the service life of the gradient oxygen-increasing glass melting furnace is prolonged.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, many modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should be regarded as the contents of the present invention.

Claims

1. The breast wall brick for the gradient oxygen-enriched combustion glass melting furnace is characterized in that a platform which extends outwards is arranged in the middle of the outer side of the breast wall brick positioned on the outer side of the glass melting furnace, a blind hole is formed in the platform, and the blind hole is connected with a vertical column of a melting part of the glass melting furnace through an anchor hook.

2. The breast wall tile for a gradient oxygen enhanced combustion glass melting furnace of claim 1, wherein the platform extends outwardly a width of 80mm to 100mm, a length of the same length as the exterior side of the breast wall tile, and a height of 220mm to 300mm from the top surface of the breast wall tile.

3. The breast wall tile for a gradient oxygen enhanced combustion glass melting furnace of claim 2, wherein the platform has a length of from 300mm to 400 mm.

4. The breast wall tile for a gradient oxygen enhanced combustion glass melting furnace according to any one of claims 1 to 3, wherein the diameter of the blind hole is 25mm to 35 mm.

5. The breast wall tile for a gradient oxygen enhanced combustion glass melting furnace of claim 4, wherein the depth of the blind hole is 100mm to 150 mm.

6. The breast wall tile for a gradient oxygen enhanced combustion glass melting furnace of claim 5, wherein the joint between the platform and the side of the breast wall tile is in the shape of a circular arc with a radius of 20mm to 25 mm.

7. A breast wall for a gradient oxygen-enriched combustion glass melting furnace, which comprises a plurality of breast wall bricks spliced in a dry masonry mode, and is characterized in that the breast wall bricks are the breast wall bricks for the gradient oxygen-enriched combustion glass melting furnace according to any one of claims 1 to 6, and the breast wall bricks further comprise anchor hooks for connecting the breast wall bricks with upright columns of a melting part in the glass melting furnace.

8. The breast wall for a gradient oxygen-enhanced combustion glass melting furnace of claim 7, wherein the anchor hooks are connected with the melting section column through blind holes in the breast wall bricks, and one end of each anchor hook is hooked on the blind hole, and the other end of each anchor hook is connected with the melting section column through a bolt.

9. A gradient oxygen-enriched combustion glass melting furnace comprises a breast wall, a hook, a skewback, a melting part arch, a support bracket, a melting part upright post, a melting tank and a brace; the melting tank is positioned at the bottom of the gradient oxygen-enriched combustion glass melting furnace, the breast wall and the hook are positioned above the edge of the melting tank, the skewback and the melting part crown are arranged below the skewback, the breast wall is laid on the hook in a dry mode, and the hook is independently supported by the support bracket, wherein the breast wall is the breast wall for the gradient oxygen-enriched combustion glass melting furnace according to claim 7 or 8.

10. The gradient oxygen enhanced combustion glass melter of claim 9 wherein the hook comprises a plurality of hook bricks spliced in a dry masonry manner, the bottom of the hook head of the hook brick is a bevel, and the bevel forms an angle of 10-15 ° with the horizontal.