High-temperature-resistant furnace mouth sealing ring

Abstract

The utility model relates to a high temperature resistant furnace mouth sealing ring, which is characterized in that a composite molded flexible sealing body is arranged on a traditional annular sealing structure, the flexible sealing body is a freely drooping annular bag-shaped body, a flexible annular rubber ring is arranged in the flexible sealing body, and a rubber sealing gasket is adhered to the upper surface of a metal flange annular plate; a bag opening flame-retardant rubber plug matched with the annular flexible bag body is arranged on the lower surface of the metal flange ring plate, the flexible sealing body is bonded to the lower surface of the metal flange ring plate through the bag opening sealing edge, and a bag opening of the annular flexible bag body is filled with the flame-retardant rubber plug. The metal flange outer edge pressing plate and the metal flange inner edge pressing plate are bonded to the bag opening sealing edges corresponding to the flexible sealing body respectively to form a sealing ring body, and bolt holes in butt joint with third-party equipment are formed in the sealing body. Under the extrusion of the end part of the smoke pipeline, the flexible annular rubber ring and the flexible sealing body can be perfectly matched with the shape of the furnace mouth, so that the pipeline is in soft contact with the furnace mouth, no leakage point is generated, the sealing effect is good, and the sealing device can adapt to the working conditions of various furnace mouths.

Description

TECHNICAL FIELD

[0001] The utility model relates to a sealing element technical field, concretely relates to a high temperature resistant furnace mouth sealing ring. BACKGROUND

[0002] In the production process of the coking industry, the coke oven smoke outlet is the core channel for coal charging and smoke discharging. When the dust is removed during coal charging or smoke discharging, the guide sleeve of the coal charging vehicle or the dust removal pipeline of the smoke discharging device is connected to the furnace mouth. A sealing ring is needed at the connection to prevent smoke from leaking out. The traditional solution uses a graphite woven packing ring for sealing, or an aluminum silicate fiber as a sealing ring. However, the sealing effect is not ideal, and the furnace mouth is prone to deformation due to long-term exposure to high temperatures above 1000°C. For example, there is a height difference around the furnace mouth. The traditional high-temperature sealing ring cannot adapt to such working conditions and does not seal tightly, resulting in smoke leakage at the deviation point. SUMMARY

[0003] To solve the above problems, the utility model provides a high-temperature-resistant furnace mouth sealing ring, which is used as a sealing element between the end of the smoke pipe and the furnace mouth. The sealing element can conform to the shape of the furnace mouth during sealing, solving the problem of sealing between the pipe end and the furnace mouth.

[0004] To achieve the above purpose, the following technical scheme is adopted: a high-temperature-resistant furnace mouth sealing ring, comprising a rubber sealing gasket, a metal flange ring plate, a bag opening fire-retardant plug, a flexible sealing body, a flexible annular rubber ring, a metal flange outer edge pressing plate, and a metal flange inner edge pressing plate,

[0005] The flexible sealing body is a composite ring-shaped sealing gasket adapted to the metal flange ring plate. The flexible sealing body specifically includes a ring-shaped flexible bag body and a bag opening sealing edge. The ring-shaped flexible bag body is a freely hanging ring-shaped bag-shaped body formed with the middle diameter circle of the annular surface of the ring-shaped sealing gasket as the reference point. The bag opening has an opening curvature,

[0006] The metal flange ring plate is bonded with the rubber sealing gasket on the upper surface, and the lower surface is provided with a bag opening fire-retardant plug adapted to the ring-shaped flexible bag body. The flexible annular rubber ring is naturally placed in the ring-shaped flexible bag body. The flexible sealing body is bonded to the lower surface of the metal flange ring plate through the bag opening sealing edge, and the bag opening fire-retardant plug fills the bag opening of the ring-shaped flexible bag body. The metal flange outer edge pressing plate and the metal flange inner edge pressing plate are respectively bonded to the corresponding bag opening sealing edges of the flexible sealing body, forming a sealing ring main body. The sealing main body is provided with a bolt hole for connecting to a third-party equipment.

[0007] Further, the cross-sectional diameter of the flexible annular rubber ring is greater than the bag opening diameter of the ring-shaped flexible bag body, so that the ring-shaped flexible bag body assumes a water droplet shape when bearing the flexible annular rubber ring.

[0008] Further, the flexible sealing body is sequentially ceramic fiber cloth, first fire-retardant glue, stainless steel wire mesh, second fire-retardant glue and glass fiber cloth from inside to outside.

[0009] Further, the rubber sealing gasket, the flexible annular rubber ring and the bag opening fire-retardant plug are made of high-temperature-resistant rubber material.

[0010] Further, the first fire-retardant glue and the second fire-retardant glue are high-temperature-resistant fire-retardant silicone rubber, and can also be silicone glue.

[0011] Further, the thickness of the ceramic fiber cloth and the glass fiber cloth is 0.1mm-5.0mm.

[0012] Further, the wire diameter of the stainless steel wire mesh is 0.1mm-2.0mm, and the mesh hole is 0.5mm-5.0mm.

[0013] The utility model discloses the beneficial effect: the novel is set up flexible sealing body on traditional annular sealing structure, and is set up flexible annular rubber ring in flexible sealing body, and the softness of flexible annular rubber ring cooperates free droop flexible sealing body under the extrusion of the end of flue pipe, can perfectly comply with the shape of the furnace mouth, is the soft contact of pipeline and furnace mouth, and no leakage point is produced, compared with prior art, not only good sealing effect, and can adapt to the working condition of various furnace mouths. Meanwhile, the flexible sealing body is made of composite material, not only has the softness of cooperation compression seal, and has high-temperature-resistant, high-fire-retardant performance, and will not be affected by environmental temperature to cause, the traditional sealing structure and material aging harden, fundamentally solve the sealing technical bottleneck of furnace mouth. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is the top view of the utility model;

[0015] Figure 2 It is the top view of the utility model;

[0016] Figure 3 It is Figure 1 the view of A-A direction;

[0017] Figure 4 It is Figure 3 the partial enlarged schematic view of the utility model;

[0018] Figure 5 It is Figure 4 the enlarged view of A of the utility model.

[0019] As shown in the figure: 1. Rubber sealing gasket; 2. Metal flange ring plate; 3. Flame-retardant rubber plug at the bag opening; 4. Flexible sealing body; 5. Flexible annular rubber ring; 6. Outer edge pressure plate of metal flange; 7. Inner edge pressure plate of metal flange; 8. Bolt hole; 40. Annular flexible bag body; 41. Bag opening sealing edge; 100. Ceramic fiber cloth; 101. First flame-retardant adhesive; 102. Stainless steel wire mesh; 103. Second flame-retardant adhesive; 104. Fiberglass cloth. Detailed Implementation

[0020] Example 1

[0021] The following description, in conjunction with the accompanying drawings, further illustrates the points, such as... Figures 1-2 As shown, a high-temperature furnace opening sealing ring is provided, including a rubber sealing gasket 1, a metal flange ring plate 2, a flame-retardant rubber plug for the bag opening 3, a flexible sealing body 4, a flexible annular rubber ring 5, a metal flange outer edge pressure plate 6, and a metal flange inner edge pressure plate 7.

[0022] Design of flexible sealing body 4: such as Figures 3-4 As shown, the flexible sealing body 4 is a composite-molded annular sealing gasket adapted to the metal flange ring plate 2. Specifically, the flexible sealing body 4 includes an annular flexible bag body 40 and a bag opening sealing edge 41. The annular flexible bag body 40 is formed by sinking down from the mid-diameter circle of the annular surface of the annular sealing gasket as a reference point, creating a freely hanging annular bag shape. The bag opening has an arc. The cross-sectional diameter of the flexible annular rubber ring 5 is larger than the bag opening diameter of the annular flexible bag body 40, causing the annular flexible bag body 40 to form a teardrop shape when bearing the flexible annular rubber ring 5.

[0023] The characteristic of the mean diameter circle of the annular surface is that its distances to the outer and inner diameters of the annular plate are equal, and its geometric definition is the radius R of the mean diameter circle. 中 satisfy This is the arithmetic mean of the outer and inner diameters. This circle divides the width of the annular plate equally, forming a symmetrical structure.

[0024] like Figure 5 As shown, the flexible sealing body 4 consists of ceramic fiber cloth 100, first flame retardant adhesive 101, stainless steel wire mesh 102, second flame retardant adhesive 103, and glass fiber cloth 104 from the inside out. Among them, the rubber sealing gasket 1, flexible annular rubber ring 5, and bag mouth flame retardant rubber plug 3 are all made of high temperature resistant rubber material. The first flame retardant adhesive 101 and the second flame retardant adhesive 103 are high temperature resistant flame retardant silicone rubber, or silicone sealant. The thickness of ceramic fiber cloth 100 and glass fiber cloth 104 is 0.1mm-5.0mm, and the wire diameter of stainless steel wire mesh 102 is 0.1mm-2.0mm, and the mesh size is 0.5mm-5.0mm.

[0025] The high-temperature furnace opening sealing ring structure provided in this example is as follows:

[0026] The upper surface of the metal flange ring plate 2 is bonded with the rubber sealing gasket 1, and the lower surface is provided with a bag opening fire-retardant plug 3 matched with the annular flexible bag body 40. The flexible annular rubber ring 5 is naturally placed in the annular flexible bag body 40 and is in a free state. The flexible sealing body 4 is bonded to the lower surface of the metal flange ring plate 2 through the bag opening sealing edge 41, and the bag opening fire-retardant plug 3 fills the bag opening of the annular flexible bag body 40. The metal flange outer pressing plate 6 and the metal flange inner pressing plate 7 are respectively bonded to the corresponding bag opening sealing edge 41 of the flexible sealing body 4 to form a sealing ring main body. The sealing main body is provided with a bolt hole 8 matched with a third-party equipment, such as a dust removal filtering device or a smoke discharge pipeline of a coal unloading vehicle.

[0027] The manufacturing process of the embodiment is as follows:

[0028] 1) The metal flange ring plate 2 and the bag opening fire-retardant plug 3 below are bonded together by rubber mold vulcanization forming, and the required shape matched with the annular flexible bag body 40 is shaped.

[0029] 2) The ceramic fiber cloth 100 as the inner lining is placed on the shaping mold, and after being cut to size, it is adhered to the shaping mold by pressing plate and clamp. The outer side first fire-retardant glue 101 is brushed or scraped on the outer side of the ceramic fiber cloth 100, and the stainless steel wire mesh 102 is adhered. The second fire-retardant glue 103 is brushed or scraped outside the stainless steel wire mesh 102, and finally the glass fiber cloth 104 is adhered. After adhering, appropriate force is pressed to make the first fire-retardant glue 101 and the second fire-retardant glue 103 in the middle uniformly and strongly adhere other materials together. After drying, the excess edge is cut and trimmed according to the size of the drawing to form the flexible sealing body 4.

[0030] 3) The flexible annular rubber ring 5 pre-vulcanized by the mold is placed in the flexible sealing body 4.

[0031] 4) A small amount of liquid fire-retardant glue is brushed or scraped on the lower surface of the pre-formed metal flange ring plate 2 and the bag opening fire-retardant plug 3 vulcanized together, and then bonded with the bag opening sealing edge 41 of the flexible sealing body 4. A layer of liquid fire-retardant glue is coated on the upper surface of the metal flange outer pressing plate 6 and the metal flange inner pressing plate 7, respectively adhered to the corresponding bag opening sealing edge 41 of the flexible sealing body 4, and formed by pressing and locking with the tool.

[0032] 5) After drying, a layer of liquid fire-retardant glue is coated on the upper surface of the metal flange ring plate 2, the rubber sealing gasket 1 is bonded, and fixed and dried by the tool to finally form the sealing ring main body.

[0033] 6) According to the position of the connection hole of the third-party equipment, the bolt hole 8 is drilled on the sealing ring main body by drilling equipment, and the burrs and appearance are trimmed. Finally, the exposed metal part is well rust-proofed.

[0034] The utility model discloses not limited to this embodiment, any equivalent idea or change in the technical range disclosed in the utility model, all list as the protection scope of the utility model.

Claims

1. A high temperature resistant furnace mouth seal ring, characterized in that, The metal flange ring plate (2) is provided with the rubber sealing gasket (1) on the upper surface and the bag mouth fireproof rubber plug (3) on the lower surface, the flexible annular rubber ring (5) is placed in the annular flexible bag body (40) naturally, the flexible sealing body (4) is bonded on the lower surface of the metal flange ring plate (2) through the bag mouth sealing edge (41), and the bag mouth fireproof rubber plug (3) is filled in the bag mouth of the annular flexible bag body (40), the metal flange outer edge pressing plate (6) and the metal flange inner edge pressing plate (7) are bonded on the corresponding bag mouth sealing edges (41) of the flexible sealing body (4) respectively, and the sealing ring main body is formed, and the bolt hole (8) for connecting with the third party equipment is arranged on the sealing main body. The flexible annular rubber ring (5) is provided with the ceramic fiber cloth (100), the first fireproof glue (101), the stainless steel wire mesh (102), the second fireproof glue (103) and the glass fiber cloth (104) from inside to outside. The rubber sealing gasket (1), the flexible annular rubber ring (5) and the bag mouth fireproof rubber plug (3) are made of high-temperature-resistant rubber materials.

2. The high temperature resistant furnace mouth sealing ring of claim 1, wherein, The first fireproof glue (101) and the second fireproof glue (103) are high-temperature-resistant fireproof silicone rubber or silicone glue.

3. The high temperature resistant furnace mouth seal ring of claim 2, wherein, The thickness of the ceramic fiber cloth (100) and the glass fiber cloth (104) is 0.1mm-5.0mm.

4. The high temperature resistant furnace mouth seal ring of claim 3, wherein, The wire diameter of the stainless steel wire mesh (102) is 0.1mm-2.0mm, and the mesh hole is 0.5mm-5.0mm.

5. The high temperature resistant furnace mouth seal ring of claim 4, wherein, ​ 6. The high temperature resistant furnace mouth seal ring of claim 5, wherein, ​ 7. The high temperature resistant furnace mouth seal ring of claim 6, wherein, ​

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