A dry quenching boiler pipeline isolation device

Abstract

The utility model discloses a dry quenching boiler pipeline isolation device, including first sheath, connecting plate, second sheath and third sheath, the first sheath right side low position is equipped with second sheath, the first sheath left side low position is equipped with third sheath, the first sheath, second sheath and third sheath structure are same, and first sheath, second sheath and third sheath top all weld and have connecting shell, the both ends of connecting shell all are open structure, and the both sides bottom of first sheath, second sheath and third sheath all weld and have connecting sleeve. The utility model through being equipped with a plurality of sheaths, and the bolt installation and dismounting between sheath and connecting plate can be selectively installed and used according to the demand, can isolate the pipeline, avoids a large number of circulating air volume and washes the pipe wall to make the shaking, the clearance smaller elbow place rubs each other, makes the pipe wall thin and the pressure strength reduction to the security of pipeline installation is increased.

Description

Technical Field

[0001] This utility model relates to the field of dry quenching technology, specifically to a pipeline isolation device for a dry quenching boiler. Background Technology

[0002] The standard pipe spacing for the primary and secondary superheaters and bare tube evaporators of the No. 4 and No. 5 dry quenching boilers in the Rare Earth Steel Coking Department of Baogang Group Steel Union Coal and Coke Chemical Branch is 145mm. However, under the influence of high temperature and large circulating air volume, the spacing between many boiler tubes changes, resulting in smaller spacing between some adjacent tubes, especially at the bends, where some are even touching. During normal dry quenching production, the large amount of circulating air volume causes the tube walls to sway. Consequently, the smaller bends rub against each other, thinning the tube walls and reducing their pressure resistance, making them unable to withstand 40 kg of pressure and causing leaks. This forces the dry quenching plant to shut down for maintenance, resulting in a 4-6 day shutdown to restore boiler tube leak prevention. Therefore, this utility model provides a dry quenching boiler pipe isolation device to solve the above problems. Utility Model Content

[0003] The purpose of this invention is to provide a pipeline isolation device for dry quenching coke boilers to solve the problems mentioned in the background art.

[0004] To achieve the above objectives, this utility model provides the following technical solution: a dry quenching coke boiler pipeline isolation device, comprising a first sheath, a connecting plate, a second sheath, and a third sheath.

[0005] A second sheath is provided at the lower right side of the first sheath, and a third sheath is provided at the lower left side of the first sheath. The first sheath, the second sheath, and the third sheath have the same structure, and a connecting shell is welded to the top of the first sheath, the second sheath, and the third sheath. Both ends of the connecting shell are open, and connecting sleeves are welded to the bottom of both sides of the first sheath, the second sheath, and the third sheath.

[0006] Connecting plates are fixed to the connecting sleeves at the bottom of both sides of the first sheath by bolts, and the outer ends of the two connecting plates are respectively installed in the connecting shells at the top of the second and third sheaths and fixed by bolts.

[0007] As a preferred embodiment of this utility model, the inner diameter of the first sheath, the second sheath, and the third sheath is 38mm, and the thickness is 3mm.

[0008] As a preferred embodiment of this utility model, the first sheath, the second sheath, and the third sheath are all made of heat-resistant stainless steel sheet.

[0009] In a preferred embodiment of this invention, the connecting plate is made of the same material as the first sheath, the second sheath, and the third sheath, and the connecting plate has an L-shaped structure.

[0010] As a preferred embodiment of this invention, the second sheath is symmetrical about the third sheath with the first sheath as the center.

[0011] As a preferred embodiment of this utility model, high-temperature rock wool is provided at the joints between the first sheath, the second sheath, the third sheath and the pipe.

[0012] Compared with the prior art, the beneficial effects of this utility model are: by providing multiple protective sleeves, the protective sleeves and connecting plates are installed and disassembled by bolts, and selective installation and use can be carried out according to needs. The pipeline can be isolated, avoiding the large amount of circulating air volume from scouring the pipe wall and causing shaking. The small gaps at the bends rub against each other, making the pipe wall thinner and reducing the pressure resistance, thereby increasing the safety of pipeline installation. Attached Figure Description

[0013] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0014] Figure 2 This is a schematic diagram of the overall exploded structure of this utility model.

[0015] In the diagram: 1. First sheath; 2. Connecting shell; 3. Connecting sleeve; 4. Connecting plate; 5. Second sheath; 6. Third sheath. Detailed Implementation

[0016] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present utility model and are not intended to limit the present utility model.

[0017] In the description of this utility model, it should be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," and "outer," etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the accompanying drawings and are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. Furthermore, in the description of this utility model, "first," "second," "third," and "fourth" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0018] In the description of this utility model, it should also be noted that, unless otherwise explicitly specified and limited, the terms "set," "install," "connect," and "link" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or a connection through an intermediate medium; and they can refer to the internal connection of two components. For those skilled in the art, the specific meaning of the above terms in this utility model can be understood according to the specific circumstances. "Multiple" means two or more, and unless otherwise explicitly limited, all of them fall within the scope of protection of this utility model.

[0019] Example: Figure 1-2 This utility model provides a technical solution: including a first sheath 1, a connecting plate 4, a second sheath 5, and a third sheath 6. The second sheath 5 is located at the lower right side of the first sheath 1, and the third sheath 6 is located at the lower left side of the first sheath 1. The first sheath 1, the second sheath 5, and the third sheath 6 have the same structure, and a connecting shell 2 is welded to the top of the first sheath 1, the second sheath 5, and the third sheath 6. Both ends of the connecting shell 2 are open, and a connecting sleeve 3 is welded to the bottom of both sides of the first sheath 1, the second sheath 5, and the third sheath 6.

[0020] Connecting plates 4 are fixed to the connecting sleeves 3 at the bottom of both sides of the first sheath 1 by bolts, and the outer ends of the two connecting plates 4 are respectively installed in the connecting shells 2 at the top of the second sheath 5 and the third sheath 6 and fixed by bolts.

[0021] The inner diameter of the first sheath 1, the second sheath 5, and the third sheath 6 is 38mm, and the thickness is 3mm.

[0022] The first sheath 1, the second sheath 5, and the third sheath 6 are all made of heat-resistant stainless steel plates.

[0023] The connecting plate 4 is made of the same material as the first sheath 1, the second sheath 5 and the third sheath 6, and the connecting plate 4 has an L-shaped structure.

[0024] The second sheath 5 is symmetrical about the third sheath 6 with the first sheath 1 as the center.

[0025] High-temperature rock wool is installed at the joints between the first sheath 1, the second sheath 5, and the third sheath 6 and the pipe.

[0026] Working principle:

[0027] In use, high-temperature rock wool is placed on the pipe, and then the first sheath 1 is placed on the outside of the high-temperature rock wool. Then, the second sheath 5 and the second sheath 6 are placed on both sides of the first sheath 1 respectively. Then, the connecting plate 4 is fixed in the connecting sleeve 3 on both sides of the first sheath 1, and the outer end of the connecting plate 4 is installed in the connecting shell 2 at the top of the second sheath 5 and the second sheath 6 by bolts. This allows adjacent pipes to be spaced apart, avoiding the large amount of circulating airflow from scouring the pipe wall and causing shaking, and preventing the small gaps at the bends from rubbing against each other.

[0028] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

Claims

1. A pipe isolation device for a dry quenching coke boiler, comprising a first sheath (1), a connecting plate (4), a second sheath (5), and a third sheath (6), characterized in that: A second sheath (5) is provided at the lower right side of the first sheath (1), and a third sheath (6) is provided at the lower left side of the first sheath (1). The first sheath (1), the second sheath (5), and the third sheath (6) have the same structure. A connecting shell (2) is welded to the top of the first sheath (1), the second sheath (5), and the third sheath (6). The connecting shell (2) has an open structure at both ends. A connecting sleeve (3) is welded to the bottom of both sides of the first sheath (1), the second sheath (5), and the third sheath (6). Connecting plates (4) are fixed inside the connecting sleeves (3) at the bottom of both sides of the first sheath (1) by bolts, and the outer ends of the two connecting plates (4) are respectively installed in the connecting shells (2) at the top of the second sheath (5) and the third sheath (6) and fixed by bolts.

2. A dry quenching boiler piping isolation device according to claim 1, characterized in that: The inner diameter of the first sheath (1), the second sheath (5) and the third sheath (6) is 38 mm and the thickness is 3 mm.

3. A dry quenching boiler piping isolation device according to claim 1, characterized in that: The first sheath (1), the second sheath (5) and the third sheath (6) are all made of heat-resistant stainless steel plate.

4. A dry quenching boiler piping isolation device according to claim 1, characterized in that: The connecting plate (4) is made of the same material as the first sheath (1), the second sheath (5) and the third sheath (6), and the connecting plate (4) has an L-shaped structure.

5. The dry quenching coke boiler pipeline isolation device according to claim 1, characterized in that: The second sheath (5) is symmetrical about the third sheath (6) with the first sheath (1) as the center.

6. The dry quenching coke boiler pipeline isolation device according to claim 1, characterized in that: High-temperature rock wool is provided at the joints between the first sheath (1), the second sheath (5), the third sheath (6) and the pipeline.

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