CN220265557U - A kind of glass kiln lip brick - Google Patents

A kind of glass kiln lip brick Download PDF

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Publication number
CN220265557U
CN220265557U CN202321595437.5U CN202321595437U CN220265557U CN 220265557 U CN220265557 U CN 220265557U CN 202321595437 U CN202321595437 U CN 202321595437U CN 220265557 U CN220265557 U CN 220265557U
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brick
brick body
lip
overflow
end surface
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阮泽云
赵晓非
赵长海
王毫
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Flat Glass Group Co Ltd
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Flat Glass Group Co Ltd
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Abstract

The utility model relates to a lip brick of a glass kiln. The lip brick is positioned between the kiln overflow port and the calendaring roller, the main body of the lip brick is a brick body, the brick body and the calendaring roller are arranged in parallel, and the brick body is provided with: a bottom surface, an overflow port surface, an outer end surface and a side cambered surface; the surface of the upper end face is smoothly heightened from the two outer end faces of the brick body to the middle part of the brick body, and the highest point is reached in the middle part of the brick body; the transition part is positioned between the side cambered surface and the upper end surface for transition; in the direction from the overflow port surface to the transition part, the heights of the points on all the upper end surfaces which are the same in distance from the same outer end surface are the same. The utility model has the advantages of reasonable structural design and capability of promoting the quick foam discharging of the overflow port after the machine changing.

Description

一种玻璃窑炉唇砖A kind of glass kiln lip brick

技术领域Technical field

本实用新型涉及一种玻璃窑炉唇砖,特别是一种应用在超高透光伏压延玻璃生产装置的部件。The utility model relates to a glass kiln lip brick, in particular to a component used in an ultra-high transmittance photovoltaic rolled glass production device.

背景技术Background technique

在玻璃窑炉技术中,唇砖是光伏压延玻璃熔窑直通路末端与尾砖的连载体(可脱离),也是熔窑输出玻璃液的最终承载体,熔窑内玻璃液流向横通路分支至直通路的末端经过唇砖输出至压延机上、下辊道进行碾压成型为光伏太阳能玻璃。In glass furnace technology, the lip brick is the connecting body (detachable) between the end of the straight path of the photovoltaic rolled glass melting furnace and the tail brick. It is also the final carrier of the output glass liquid from the furnace. The glass liquid in the furnace flows to the cross path branch to The end of the straight path is output through the lip brick to the upper and lower rollers of the calender for rolling and forming into photovoltaic solar glass.

目前熔窑溢流口普遍使用常规唇砖:三段式拼接平面唇砖,端面与中心截面为同样高度。在连续不间断的生产过程中为了达到生产出符合客户质量标准的光伏玻璃会出现一次次的熔窑与退火窑之间的设备更换,称之为:换机。在每次换机过程中都需将唇砖与熔窑直通路末端的外尾砖进行脱离,期间对外尾砖连接面残留玻璃进行清除,从而更换上新的唇砖,长此以往熔窑末端的外尾砖随着温度的变化经历热胀冷缩会导致一定程度的砖体变形,使用常规平面唇砖连接外尾砖作为玻璃液的最终承载造成了这两砖体安装水平面不吻合,基于溢流口越宽玻璃液横向温差越大的事实,导致每次换机后溢流口气泡增多,泡类容易聚集,无法快速排泡,排泡时间过于漫长就容易产生玻璃板面透明泡以及杂物泡等缺陷形成,最终导致符合质量标准的玻璃收片率低,也影响了换机时长,增加了换机成本。At present, conventional lip bricks are commonly used for melting furnace overflows: three-section spliced flat lip bricks, with the end face and central section being the same height. In the continuous and uninterrupted production process, in order to produce photovoltaic glass that meets customer quality standards, equipment replacement between the melting furnace and the annealing furnace will occur again and again, which is called: machine replacement. During each machine replacement process, it is necessary to separate the lip brick from the outer tail brick at the end of the furnace through-pass. During this period, the residual glass on the connection surface of the outer tail brick is removed, so as to replace it with a new lip brick. In the long run, the outer tail brick at the end of the melting furnace must be separated. The tail bricks undergo thermal expansion and contraction as the temperature changes, which will lead to a certain degree of deformation of the bricks. Using conventional flat lip bricks to connect the outer tail bricks as the final carrier of the glass liquid results in the installation level of the two bricks not matching. Based on overflow, The wider the mouth, the greater the lateral temperature difference of the glass liquid, which leads to an increase in bubbles in the overflow mouth after each machine change. The bubbles are easy to accumulate and cannot be quickly discharged. If the bubble discharge time is too long, transparent bubbles and debris on the glass plate surface are likely to be produced. The formation of defects such as bubbles ultimately leads to a low glass collection rate that meets quality standards, which also affects the replacement time and increases the replacement cost.

中国专利公布号CN104163561A公开了一种唇砖,其包括导流面及分别连接在该导流面相背两侧的第一侧面及第二侧面。该导流面包括分别沿该第一侧面及该第二侧面到该导流面中部方向向该唇砖内凹的导流表面,该导流表面用于与玻璃液接触。上述唇砖,将与玻璃液接触的导流面设置为内凹的表面,提前预留唇砖受热时的膨胀量,进而消除因唇砖受热膨胀而产生的力,使唇砖不容易断裂或产生裂痕,消除了玻璃成品的气泡、线道及亮线等缺陷。该专利描述的导流面包括分别沿该第一侧面及该第二侧面到该导流面中部方向向该唇砖内凹的导流表面,该导流表面用于与玻璃液接触,导流表面为曲面,曲面包括多个首尾相接的弧面,表面内凹的最大深度为40mm后。Chinese Patent Publication No. CN104163561A discloses a lip brick, which includes a flow guide surface and a first side and a second side respectively connected to opposite sides of the flow guide surface. The flow guide surface includes a flow guide surface that is concave toward the lip brick along the direction from the first side and the second side to the middle of the flow guide surface respectively, and the flow guide surface is used to contact the glass liquid. For the above-mentioned lip brick, the guide surface in contact with the glass liquid is set as a concave surface, and the expansion amount of the lip brick when heated is reserved in advance, thereby eliminating the force generated by the thermal expansion of the lip brick, making the lip brick less likely to break or Cracks are generated and defects such as bubbles, lines and bright lines in the finished glass are eliminated. The flow guide surface described in this patent includes a flow guide surface that is concave toward the lip brick along the direction from the first side and the second side to the middle of the flow guide surface. The flow guide surface is used to contact the glass liquid and guide the flow. The surface is a curved surface, which includes multiple arcuate surfaces connected end to end. The maximum depth of the concave surface is 40mm.

①、这样容易造成在同一玻璃液面的情况下,深度最大40mm的部位玻璃液的量多,导致该部位玻璃液带来的热量增多,深度最大40mm的部位温度比两侧边部高很多,容易造成溢流口玻璃液的横向温度差比较大,不利于压延厚度的控制,容易导致成品玻璃厚薄差比较大,对产量、质量都有很大影响。① This can easily cause the amount of glass liquid in the part with a maximum depth of 40mm to be larger under the same glass liquid level, resulting in an increase in the heat brought by the glass liquid in this part. The temperature of the part with a maximum depth of 40mm is much higher than that of both sides. It is easy to cause a relatively large lateral temperature difference of the glass liquid at the overflow port, which is not conducive to the control of the rolling thickness. It is easy to cause a relatively large thickness difference of the finished glass, which has a great impact on the output and quality.

②、另唇砖中部深度增加后,玻璃液面增厚,不利于中部唇砖气泡的排出,最终结果导致换机、换砖后唇砖排泡时间长,次品较多,合格品成品率低,产量损失严重。②. In addition, after the depth of the middle part of the lip brick increases, the glass liquid surface thickens, which is not conducive to the discharge of bubbles in the middle lip brick. The final result is that the lip brick will take a long time to release bubbles after changing the machine or brick, and there will be more defective products and a lower yield rate of qualified products. Low, yield loss is serious.

③、另外唇砖膨胀是上、下、左、右四面都在膨胀,不能将唇砖表面内凹后减少膨胀,只能从固定唇砖的加固方式上进行改良。③ In addition, the expansion of the lip brick is caused by the expansion of the upper, lower, left and right sides. The surface of the lip brick cannot be concave to reduce the expansion. It can only be improved by the reinforcement method of fixing the lip brick.

④、唇砖只是起过渡作用,承接将玻璃液从熔窑外尾砖过渡到压延机的托砖。④. The lip brick only plays a transitional role, taking over the transition of the glass liquid from the outer tail brick of the furnace to the supporting brick of the calender.

唇砖表面内凹的最大深度为40mm后,此部位的唇砖嘴因玻璃液位深度增加,底部流动性差,唇砖嘴容易产生凉玻璃及析晶,反而增加了线道、亮线的产生,严重影响玻璃成品率。After the maximum depth of the concave surface of the lip brick is 40mm, the lip brick mouth at this part has poor fluidity due to the increase in the depth of the glass liquid level. The lip brick mouth is prone to cold glass and crystallization, which in turn increases the generation of lines and bright lines. , seriously affecting the glass yield.

实用新型内容Utility model content

本实用新型所要解决的技术问题是提供一种结构设计合理、促进换机后溢流口快速排泡的玻璃窑炉唇砖。The technical problem to be solved by this utility model is to provide a glass kiln lip brick with a reasonable structural design that promotes rapid bubble discharge from the overflow port after machine replacement.

本实用新型解决上述技术问题所采用的技术方案是该玻璃窑炉唇砖,该唇砖位于窑炉溢流口和压延辊之间,所述该唇砖的主体为砖本体,所述砖本体与压延辊平行设置,所述砖本体上设置有:The technical solution adopted by this utility model to solve the above technical problems is the glass kiln lip brick. The lip brick is located between the kiln overflow port and the calendering roller. The main body of the lip brick is a brick body, and the brick body Arranged parallel to the calendering roller, the brick body is provided with:

A、底面,与溢流口底部相配合;A. The bottom surface matches the bottom of the overflow port;

B、溢流口面,所述溢流口面顶在所述溢流口处并严密贴合接触;B. Overflow port surface, the overflow port surface is pressed against the overflow port and is in close contact with the overflow port;

C、外端面,位于所述砖本体的两侧,与所述溢流口内侧边缘相贴合匹配;C. The outer end faces are located on both sides of the brick body and match the inner edge of the overflow opening;

D、侧弧面,位于所述溢流口面的相对一侧,与压延辊相互匹配;D. The side arc surface is located on the opposite side of the overflow surface and matches the calendering roller;

其特征在于:所述砖本体上还设置有以下部分:It is characterized in that: the brick body is also provided with the following parts:

E、上端面,所述上端面位于所述砖本体的上表面,所述上端面的表面由所述砖本体的两个外端面向所述砖本体的中部平滑增高,在所述砖本体的中部达到最高点;E. Upper end surface, the upper end surface is located on the upper surface of the brick body, and the surface of the upper end surface is smoothly increased from the two outer ends of the brick body to the middle part of the brick body. reaches its highest point in the middle;

F、过渡部,位于所述侧弧面和上端面之间进行过渡;F. Transition part, located between the side arc surface and the upper end surface;

在溢流口面至过渡部的方向上,距离同一个外端面相同距离的所有上端面上的点,高度相同。In the direction from the overflow surface to the transition part, all points on the upper end surface that are at the same distance from the same outer end surface have the same height.

作为优选,本实用新型所述的砖本体由第一砖体、第二砖体、第三砖体组成,所述第一砖体与第三砖体相互对称的设置在两侧,所述第二砖体设置在中部,所述第一砖体、第二砖体和第三砖体的连接处高度形状一致且平滑过渡。Preferably, the brick body of the present utility model is composed of a first brick body, a second brick body, and a third brick body. The first brick body and the third brick body are symmetrically arranged on both sides, and the third brick body is symmetrically arranged on both sides. The two bricks are arranged in the middle, and the heights and shapes of the connections between the first brick, the second brick and the third brick are consistent and smoothly transition.

作为优选,本实用新型所述的砖本体位一体化设置。Preferably, the brick body of the present utility model is arranged in an integrated manner.

作为优选,本实用新型所述的砖本体的侧弧面下方设置有衔接面和侧直面。Preferably, the brick body of the present invention is provided with a connecting surface and a side straight surface below the side arc surface.

作为优选,本实用新型所述的砖本体与压延辊平行方向上的长度为溢流口宽度的1.2~1.4倍,外端面处砖本体的高度为160mm,砖本体中间处的高度为168mm。Preferably, the length of the brick body in the parallel direction to the calendering roller is 1.2 to 1.4 times the width of the overflow opening, the height of the brick body at the outer end surface is 160mm, and the height at the middle of the brick body is 168mm.

作为优选,本实用新型所述的上端面的表面由所述砖本体的两个外端面向所述砖本体的中部平滑增高,形成的弧面外端面处砖本体的高度为整个唇砖宽度缩小21~28倍,砖本体中间处的高度为整个唇砖宽度缩小23~28倍。Preferably, the surface of the upper end surface of the utility model is smoothly increased from the two outer ends of the brick body to the middle part of the brick body, and the height of the brick body at the outer end surface of the arc is reduced by the width of the entire lip brick. 21 to 28 times, the height in the middle of the brick body is 23 to 28 times smaller than the width of the entire lip brick.

作为优选,本实用新型所述上端面的宽度为整个唇砖宽度缩小16~20倍。Preferably, the width of the upper end surface of the present invention is reduced by 16 to 20 times the width of the entire lip brick.

本实用新型同现有技术相比具有以下优点及效果:Compared with the existing technology, this utility model has the following advantages and effects:

改善了唇砖中间玻璃液的流量,缩小了溢流口玻璃液的横向温差,起到了有效排泡,解决了换机后收片率低,产量损失严重等问题。It improves the flow of glass liquid in the middle of the lip brick, reduces the lateral temperature difference of the glass liquid at the overflow port, effectively discharges bubbles, and solves problems such as low film rewinding rate and serious production loss after machine replacement.

附图说明Description of drawings

为了更清楚地说明本实用新型实施例或现有技术中的技术方案,下面将对实施例或现有技术描述中所需要使用的附图作简单地介绍,显而易见地,下面描述中的附图仅仅是本实用新型的一些实施例,对于本领域普通技术人员来讲,在不付出创造性劳动性的前提下,还可以根据这些附图获得其他的附图。In order to explain the embodiments of the present invention or the technical solutions in the prior art more clearly, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings in the following description These are only some embodiments of the present invention. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without exerting any creative effort.

图1为本实用新型的结构示意图。Figure 1 is a schematic structural diagram of the utility model.

图2为本实用新型的另一角度结构示意图。Figure 2 is a schematic structural diagram of the utility model from another angle.

图3为本实用新型的又一角度结构示意图。Figure 3 is a schematic diagram of the structure of the utility model from another angle.

图4为本实用新型端面的结构示意图。Figure 4 is a schematic structural diagram of the end face of the utility model.

图5为本实用新型中心截面的结构示意图。Figure 5 is a structural schematic diagram of the center section of the utility model.

图6为气泡情况改善的合格率数据分析图。Figure 6 is an analysis chart of the pass rate data for improved bubble conditions.

标号说明:第一砖体1、第二砖体2、第三砖体3、砖本体4、上端面10、溢流口面11、侧弧面12、衔接面13、下侧面14、外端面15、底面16、过渡部17。Explanation of labels: first brick body 1, second brick body 2, third brick body 3, brick body 4, upper end surface 10, overflow surface 11, side arc surface 12, connecting surface 13, lower side surface 14, outer end surface 15. Bottom surface 16, transition part 17.

具体实施方式Detailed ways

下面结合实施例对本实用新型做进一步的详细说明,以下实施例是对本实用新型的解释而本实用新型并不局限于以下实施例。The present utility model will be further described in detail below in conjunction with the examples. The following examples are explanations of the present utility model, but the present utility model is not limited to the following examples.

实施例1:Example 1:

如图1至5所示,本实施例介绍了一种玻璃窑炉唇砖,本唇砖为分体式,分为第一砖体1、第二砖体2、第三砖体3,当然也可以做成一个整体。第一砖体1、第二砖体2、第三砖体3共同构成砖本体4。每一段唇砖宽度分别为1400mm,整个砖本体4宽w为4200mm。中间段第二砖体2中间横截面高度为h1,h1=168mm,如图5所示;第一砖体1、第三砖体3两侧端面最低点高度为h2,h2=160mm,如图4所示;三段唇砖拼接完成形成砖体上表面呈现上凸式弧面。整个唇砖其中间上凸距离为d,d=h1-h2=8mm。As shown in Figures 1 to 5, this embodiment introduces a glass kiln lip brick. This lip brick is split and is divided into a first brick body 1, a second brick body 2, and a third brick body 3. Of course, Can be made into a whole. The first brick body 1, the second brick body 2, and the third brick body 3 together form a brick body 4. The width of each lip brick is 1400mm, and the width of the entire brick body is 4200mm. The height of the middle cross-section of the second brick body 2 in the middle section is h1, h1 = 168mm, as shown in Figure 5; the height of the lowest point on both sides of the first brick body 1 and the third brick body 3 is h2, h2 = 160mm, as shown in the figure As shown in 4; the three sections of lip bricks are spliced together to form a convex arc surface on the upper surface of the brick body. The convex distance in the middle of the entire lip brick is d, d=h1-h2=8mm.

砖本体4的上表面为上端面10,贴紧溢流口的侧面为溢流口面11,两侧为外端面15,下端为底面16,在溢流口面11的对侧为侧弧面12,侧弧面12与上端面10之间为过渡部17。侧弧面12与底面16之间为衔接面13和下侧面14。The upper surface of the brick body 4 is the upper end face 10, the side close to the overflow opening is the overflow opening face 11, both sides are the outer end faces 15, the lower end is the bottom face 16, and the opposite side of the overflow opening face 11 is the side arc surface 12. The transition portion 17 is between the side arc surface 12 and the upper end surface 10 . Between the side arc surface 12 and the bottom surface 16 are a connecting surface 13 and a lower side surface 14 .

砖本体4分为三段式水平组装并架于唇砖支架上固定形成上端面10的弧面,换机过程中将砖本体4安装至玻璃液溢流口处与熔窑直通路末端的尾砖紧密贴合,第二砖体2中心点高度与尾砖中心点高度达到水平吻合,并将唇砖支架通上循环水对其进行冷却避免支架变形导致唇砖断裂等情况出现影响引头子(注:玻璃液截流再次提起闸板经牵引将玻璃液通过上下辊转动碾压形成玻璃带动作称之为:引头子)使用唇砖再次引头子后玻璃液流向发生了一定程度上的变化,玻璃液可顺势从中心点迅速流向于两侧,保证了溢流口整体玻璃液的横向温差,持续通过两侧边火燃烧以及牵引速比的调整,优化了换机过程中在熔窑直通路玻璃液短暂停留所形成的气泡排除困难。如图6所示,用检测设备显示使用本专利唇砖可快速达到恢复收片合格率标准数据。The brick body 4 is divided into three sections and is assembled horizontally and fixed on the lip brick bracket to form the arc surface of the upper end surface 10. During the machine replacement process, the brick body 4 is installed to the end of the glass liquid overflow port and the end of the furnace through-pass. The bricks are tightly fitted, and the height of the center point of the second brick body 2 is consistent with the height of the center point of the tail brick. The lip brick bracket is passed through circulating water to cool it to avoid the deformation of the bracket causing the lip brick to break and other situations that may affect the leader ( Note: The liquid glass is cut off and the gate is lifted again and the liquid glass is pulled and rolled through the upper and lower rollers to form a glass belt. This action is called a leader.) After the lip brick is used to guide the leader again, the flow direction of the glass liquid has changed to a certain extent. The glass The liquid can quickly flow from the center point to both sides, ensuring the lateral temperature difference of the entire glass liquid at the overflow port. Through continuous side fire combustion and adjustment of the traction speed ratio on both sides, the straight-through glass passage of the melting furnace during the changeover process is optimized. It is difficult to remove the bubbles formed by the liquid staying for a short time. As shown in Figure 6, the testing equipment shows that the use of this patented lip brick can quickly achieve the standard data of the recovery film pass rate.

此外,需要说明的是,本说明书中所描述的具体实施例,其零、部件的形状、所取名称等可以不同。凡依本实用新型专利构思所述的构造、特征及原理所做的等效或简单变化,均包括于本实用新型专利的保护范围内。本实用新型所属技术领域的技术人员可以对所描述的具体实施例做各种各样的修改或补充或采用类似的方式替代,只要不偏离本实用新型的结构或者超越本权利要求书所定义的范围,均应属于本实用新型的保护范围。In addition, it should be noted that the specific embodiments described in this specification may have different shapes and names of parts and components. All equivalent or simple changes based on the structure, features and principles described in the patent concept of the utility model are included in the protection scope of the patent of the utility model. Those skilled in the technical field to which the present invention belongs can make various modifications or supplements to the described specific embodiments or replace them in similar ways, as long as they do not deviate from the structure of the present utility model or exceed the scope defined in the claims. The scope should all fall within the protection scope of the present utility model.

Claims (7)

1.一种玻璃窑炉唇砖,该唇砖位于窑炉溢流口和压延辊之间,所述该唇砖的主体为砖本体,所述砖本体与压延辊平行设置,所述砖本体上设置有:1. A glass kiln lip brick. The lip brick is located between the kiln overflow and the calendering roller. The main body of the lip brick is a brick body. The brick body is arranged parallel to the calendering roller. The brick body The settings above are: A、底面,与溢流口底部相配合;A. The bottom surface matches the bottom of the overflow port; B、溢流口面,所述溢流口面顶在所述溢流口处并严密贴合接触;B. Overflow port surface, the overflow port surface is pressed against the overflow port and is in close contact with the overflow port; C、外端面,位于所述砖本体的两侧,与所述溢流口内侧边缘相贴合匹配;C. The outer end faces are located on both sides of the brick body and match the inner edge of the overflow opening; D、侧弧面,位于所述溢流口面的相对一侧,与压延辊相互匹配;D. The side arc surface is located on the opposite side of the overflow surface and matches the calendering roller; 其特征在于:所述砖本体上还设置有以下部分:It is characterized in that: the brick body is also provided with the following parts: E、上端面,所述上端面位于所述砖本体的上表面,所述上端面的表面由所述砖本体的两个外端面向所述砖本体的中部平滑增高,在所述砖本体的中部达到最高点;E. Upper end surface, the upper end surface is located on the upper surface of the brick body, and the surface of the upper end surface is smoothly increased from the two outer ends of the brick body to the middle part of the brick body. reaches its highest point in the middle; F、过渡部,位于所述侧弧面和上端面之间进行过渡;F. Transition part, located between the side arc surface and the upper end surface; 在溢流口面至过渡部的方向上,距离同一个外端面相同距离的所有上端面上的点,高度相同。In the direction from the overflow surface to the transition part, all points on the upper end surface that are at the same distance from the same outer end surface have the same height. 2.根据权利要求1所述的玻璃窑炉唇砖,其特征是:所述的砖本体由第一砖体、第二砖体、第三砖体组成,所述第一砖体与第三砖体相互对称的设置在两侧,所述第二砖体设置在中部,所述第一砖体、第二砖体和第三砖体的连接处高度形状一致且平滑过渡。2. The glass kiln lip brick according to claim 1, characterized in that: the brick body is composed of a first brick body, a second brick body, and a third brick body, and the first brick body and the third brick body are The bricks are arranged symmetrically on both sides, and the second brick is arranged in the middle. The heights and shapes of the connections between the first brick, the second brick and the third brick are consistent and smoothly transition. 3.根据权利要求1所述的玻璃窑炉唇砖,其特征是:所述的砖本体位一体化设置。3. The glass kiln lip brick according to claim 1, characterized in that the brick body is arranged in an integrated manner. 4.根据权利要求1所述的玻璃窑炉唇砖,其特征是:所述的砖本体的侧弧面下方设置有衔接面和侧直面。4. The glass kiln lip brick according to claim 1, characterized in that: a connecting surface and a side straight surface are provided below the side arc surface of the brick body. 5.根据权利要求1、2、3或4所述的玻璃窑炉唇砖,其特征是:所述的砖本体与压延辊平行方向上的长度为溢流口宽度的1.2~1.4倍,外端面处砖本体的高度为160mm,砖本体中间处的高度为168mm。5. The glass kiln lip brick according to claim 1, 2, 3 or 4, characterized in that: the length of the brick body in the parallel direction to the calendering roller is 1.2 to 1.4 times the width of the overflow opening, and The height of the brick body at the end face is 160mm, and the height at the middle of the brick body is 168mm. 6.根据权利要求1、2、3或4所述的玻璃窑炉唇砖,其特征是:所述的上端面的表面由所述砖本体的两个外端面向所述砖本体的中部平滑增高,形成的弧面外端面处砖本体的高度为整个唇砖宽度缩小21~28倍,砖本体中间处的高度为整个唇砖宽度缩小23~28倍。6. The glass kiln lip brick according to claim 1, 2, 3 or 4, characterized in that: the surface of the upper end surface is smooth from the two outer ends of the brick body to the middle part of the brick body. By increasing the height, the height of the brick body at the outer end of the arc is reduced by 21 to 28 times the width of the entire lip brick, and the height of the brick body in the middle is reduced by 23 to 28 times the width of the entire lip brick. 7.根据权利要求1、2、3或4所述的玻璃窑炉唇砖,其特征是:所述上端面的宽度为整个唇砖宽度缩小16~20倍。7. The glass kiln lip brick according to claim 1, 2, 3 or 4, characterized in that the width of the upper end surface is 16 to 20 times smaller than the width of the entire lip brick.
CN202321595437.5U 2023-06-21 2023-06-21 A kind of glass kiln lip brick Active CN220265557U (en)

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