Clarification operation hole structure of melting furnace

Abstract

The utility model provides a clarification operation hole structure of a melting furnace, and belongs to the technical field of float furnaces. The melting furnace comprises a pool wall and an operation hole formed in the pool wall, the distance between the operation hole and the glass liquid level of the melting furnace is 20-60 cm, a metal sleeve is arranged outside the pool wall, the metal sleeve is fixed to the ground through a support, the metal sleeve and the operation hole are overlapped, and a plugging block capable of plugging the operation hole is inserted into the metal sleeve. The utility model has the advantages of optimizing the operation hole and the like.

Description

Technical Field

[0001] The utility model belongs to the technical field of float kilns and relates to a melting furnace clarification operation hole structure. Background Art

[0002] The float glass melting furnace adopts a heat storage type horizontal flame flat pull tank furnace. The structure is mainly divided into a heat storage chamber, a melting section, a clarification section, a neck, and a cooling section. Each different part plays a different role and ultimately completes the melting of the glass liquid.

[0003] On the kiln, corresponding operation holes are designed specifically to assist in achieving the goals. For example, the so-called fire-watching hole in the regenerator can effectively observe the flame status and the position and shape of the batch material mountain; the flame-spraying hole set in the melting section can be installed with a spray gun to achieve heating of the melting furnace; the observation hole set in the clarification section can observe the status of the glass liquid and the regional refractory materials, and measure the temperature of the glass liquid.

[0004] Among them, conventional clarification operation holes have the following disadvantages:

[0005] The operation hole is located below the pool wall bricks, and the status of the pool wall bricks in this area cannot be effectively observed, which poses a safety hazard. In addition, the existing operation hole is close to the glass liquid surface, almost close to the liquid surface. This is the part where the pool wall bricks are most severely corroded. The existence of the operation hole further weakens the strength of this area, and the corrosion rate will be faster. As the pool wall bricks erode, it is necessary to add pool wall bricks on the outside (professional term "brick tying") to prevent serious accidents such as glass liquid leakage and extend the life of the kiln. However, the pool wall bricks at the clarification operation hole cannot be tied. Finally, the plugging and sealing effect of the existing operation hole is not good. This is because the blocking block is directly matched with the operation hole on the pool wall brick, that is, inserted into the operation hole. In the process of inserting and pulling out the blocking block, more slag will fall into the pool, and the removal process will also damage the pool wall. Utility Model Content

[0006] The purpose of the utility model is to provide a melting furnace clarification operating hole structure in response to the above-mentioned problems existing in the existing technology. The technical problem to be solved by the utility model is how to reduce the negative impact of the operating hole on the pool wall.

[0007] The purpose of the utility model can be achieved through the following technical solutions: a melting furnace clarification operation hole structure, the melting furnace includes a pool wall and an operation hole opened on the pool wall, characterized in that the distance between the operation hole and the glass liquid level of the melting furnace is 20 to 60 cm, a metal sleeve is provided outside the pool wall, the metal sleeve is fixed to the ground by a bracket, the metal sleeve overlaps with the operation hole, and a blocking block capable of blocking the operation hole is inserted into the metal sleeve.

[0008] This solution utilizes an external metal sleeve. The sleeve is not secured to the outside of the pool wall by other means, but is instead fixed directly to the ground. This not only reduces damage to the pool wall but also minimizes contact between the sealing block and the working hole wall. Instead, the sealing block contacts the inner wall of the metal sleeve, achieving an indirect seal for the working hole. Furthermore, the working hole is elevated compared to existing technologies, a certain distance above the liquid level, thus avoiding areas of severe pool wall corrosion. BRIEF DESCRIPTION OF THE DRAWINGS

[0009] Figure 1 This is a cross-sectional view of the kiln pool wall.

[0010] Figure 2 It is a side view of the kiln pool wall.

[0011] In the figure, 1, working hole; 2, metal casing; 3, bracket; 4, sealing block; 5, pool wall. DETAILED DESCRIPTION

[0012] The following are specific embodiments of the present invention and the accompanying drawings to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

[0013] like Figure 1 and Figure 2 As shown, the melting furnace includes a pool wall 5 and an operating hole 1 opened on the pool wall 5. The distance between the operating hole 1 and the glass liquid level of the melting furnace is 20 to 60 cm. A metal sleeve 2 is provided outside the pool wall 5. The metal sleeve 2 is fixed to the ground through a bracket 3. The metal sleeve 2 overlaps with the operating hole 1. A blocking block 4 capable of blocking the operating hole 1 is inserted into the metal sleeve 2.

[0014] This solution utilizes an externally mounted metal sleeve 2. The sleeve is not secured to the exterior of the pool wall 5 by any other means, but is instead fixed directly to the ground. This not only reduces damage to the pool wall 5 but also minimizes contact between the sealing block 4 and the wall of the working hole 1. Instead, the sealing and blocking is achieved through contact between the sealing block 4 and the inner wall of the metal sleeve 2, creating an indirect seal for the working hole 1. Furthermore, the working hole 1 is elevated compared to existing technologies, a certain distance above the liquid level, thus avoiding areas of the pool wall 5 where corrosion is more severe.

[0015] The specific embodiments described herein are merely illustrative of the spirit of the present invention. Persons skilled in the art may make various modifications, additions, or substitutions to the described specific embodiments without departing from the spirit of the present invention or exceeding the scope defined by the appended claims.

Claims

1. A melting furnace clarification operation hole structure, the melting furnace comprising a pool wall (5) and an operation hole (1) opened on the pool wall (5), characterized in that: The distance between the working hole (1) and the glass liquid level of the melting furnace is 20 to 60 cm. A metal sleeve (2) is provided outside the pool wall (5). The metal sleeve (2) is fixed to the ground through a bracket (3). The metal sleeve (2) overlaps with the working hole (1). A blocking block (4) capable of blocking the working hole (1) is inserted into the metal sleeve (2).

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