CN216520153U - Reducing joint of flue gas gate valve - Google Patents
Reducing joint of flue gas gate valve Download PDFInfo
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- CN216520153U CN216520153U CN202123364561.4U CN202123364561U CN216520153U CN 216520153 U CN216520153 U CN 216520153U CN 202123364561 U CN202123364561 U CN 202123364561U CN 216520153 U CN216520153 U CN 216520153U
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- flange plate
- reducing pipe
- pipe
- reducing
- flue gas
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Abstract
The utility model belongs to the technical field of steel production equipment, and particularly relates to a reducing joint of a flue gas gate valve, which comprises a first flange plate, a second flange plate, a third flange plate, a fourth flange plate, a third reducing pipe, a second reducing pipe and a first reducing pipe; the first flange plate and the second flange plate are sleeved at two ends of the first reducing pipe and then welded and fixed, the end face of the second reducing pipe is welded on the end face of the second flange plate, the third reducing pipe is sleeved at the other end of the second reducing pipe and then welded and fixed, the end face of the third reducing pipe is welded on the end face of the third flange plate, and the fourth flange plate is sleeved at the other end of the third reducing pipe and then welded and fixed; the pipe diameters of the third reducing pipe, the second reducing pipe and the first reducing pipe are sequentially reduced; the outer diameter of the first flange plate is smaller than the inner diameter of the second reducing pipe, and the outer diameter of the second flange plate is smaller than the inner diameter of the third reducing pipe. The reducing joint is suitable for reducing connection requirements of adjacent pipe diameters of standard smoke pipes, and is convenient to install and low in cost.
Description
Technical Field
The utility model belongs to the technical field of steel production equipment, and particularly relates to a reducing joint of a flue gas gate valve.
Background
At present, in the process of maintaining or transforming the flue gas pipeline in a factory, a temporary flue gas pipeline is often required to be connected and paved. In order to save cost, an idle manual gate valve is usually used for welding the smoke pipe connectors on site so as to meet the connection requirements of different pipe diameters. The mode of manufacturing the reducing connector by on-site surveying and mapping and welding wastes time and labor, has low working efficiency, and influences the maintenance or transformation progress of the flue gas pipeline. Therefore, it is very necessary to design a flue gas slide valve reducing joint which saves time and labor and can improve the working efficiency.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a time-saving and labor-saving reducing joint of a flue gas gate valve, which can improve the working efficiency, is suitable for reducing connection requirements of adjacent pipe diameters of standard flue pipes, has a simple structure, is convenient to install, has low cost, improves the working efficiency and quality, and is easy to popularize and use on a large scale.
The technical scheme adopted by the utility model is as follows: a reducing joint of a flue gas gate valve comprises a first flange plate, a second flange plate, a third flange plate, a fourth flange plate, a third reducer pipe, a second reducer pipe and a first reducer pipe; the first flange plate and the second flange plate are sleeved at two ends of the first reducing pipe and then welded and fixed, the end face of the second reducing pipe is welded on the end face of the second flange plate, the third reducing pipe is sleeved at the other end of the second reducing pipe and then welded and fixed, the end face of the third reducing pipe is welded on the end face of the third flange plate, and the fourth flange plate is sleeved at the other end of the third reducing pipe and then welded and fixed; the pipe diameters of the third reducing pipe, the second reducing pipe and the first reducing pipe are reduced in sequence; the outer diameter of the first flange plate is smaller than the inner diameter of the second reducing pipe, and the outer diameter of the second flange plate is smaller than the inner diameter of the third reducing pipe.
Furthermore, the first flange plate, the second flange plate, the third flange plate and the fourth flange plate are respectively provided with a mounting hole.
Furthermore, the number of the mounting holes on the first flange plate is 6, and the mounting holes are uniformly distributed on the circumference.
Furthermore, the number of the mounting holes on the second flange plate is 8, and the mounting holes are uniformly distributed on the circumference.
Furthermore, the number of the mounting holes on the third flange plate is 10, and the mounting holes are uniformly distributed on the circumference.
Furthermore, the number of the mounting holes on the fourth flange plate is 12, and the mounting holes are uniformly distributed on the circumference.
Furthermore, the distance among the first flange plate, the second flange plate, the third flange plate and the fourth flange plate is not less than 25 cm.
Further, the thickness of the first flange plate, the thickness of the second flange plate, the thickness of the third flange plate and the thickness of the fourth flange plate are not more than 8 mm.
The utility model has the beneficial effects that: the reducing joint is suitable for reducing connection requirements of adjacent pipe diameters of standard smoke pipes, simple in structure, convenient to install, low in cost, capable of improving working efficiency and quality and easy to popularize and use on a large scale.
Drawings
FIG. 1 is a schematic structural diagram of the first embodiment;
FIG. 2 is a left side view of FIG. 1;
FIG. 3 is a right side view of FIG. 1;
fig. 4 is a schematic diagram of an embodiment of the present invention.
Detailed Description
Example one
Referring to the figures, the reducer union of the flue gas gate valve comprises a first flange plate 1, a second flange plate 2, a third flange plate 3, a fourth flange plate 4, a third reducer pipe 5, a second reducer pipe 6 and a first reducer pipe 7; the first flange plate 1 and the second flange plate 2 are sleeved at two ends of the first reducing pipe 7 and then welded and fixed, the end face of the second reducing pipe 6 is welded on the end face of the second flange plate 2, the third reducing pipe 5 is sleeved at the other end of the second reducing pipe 6 and then welded and fixed, the end face of the third reducing pipe 5 is welded on the end face of the third flange plate 3, and the fourth flange plate 4 is sleeved at the other end of the third reducing pipe 5 and then welded and fixed; the pipe diameters of the third reducing pipe 5, the second reducing pipe 6 and the first reducing pipe 7 are reduced in sequence; the outer diameter of the first flange plate 1 is smaller than the inner diameter of the second reducer pipe 6, and the outer diameter of the second flange plate 2 is smaller than the inner diameter of the third reducer pipe 5; mounting holes 8 are respectively formed in the first flange plate 1, the second flange plate 2, the third flange plate 3 and the fourth flange plate 4, the number of the mounting holes on the first flange plate 1 is 6, the mounting holes are circumferentially and uniformly distributed, the number of the mounting holes on the second flange plate 2 is 8, the mounting holes are circumferentially and uniformly distributed, the number of the mounting holes on the third flange plate 3 is 10, the mounting holes are circumferentially and uniformly distributed, the number of the mounting holes on the fourth flange plate 4 is 12, and the mounting holes are circumferentially and uniformly distributed; the distance among the first flange plate 1, the second flange plate 2, the third flange plate 3 and the fourth flange plate 4 is not less than 25 cm; the thicknesses of the first flange plate 1, the second flange plate 2, the third flange plate 3 and the fourth flange plate 4 are not more than 8 mm.
In the maintenance or transformation process, when a temporary flue gas channel needs to be laid and connected, taking the connection of the flue pipe with the second flange as an example, the first flange is sleeved on the flue pipe with the same pipe diameter as the second reducer pipe, and then the flange of the flue pipe is connected with the second flange through short bolts. And then the fourth flange plate is connected with the flange plate at one end of the manual gate valve through a bolt, so that the connection with variable diameter is realized.
Claims (8)
1. The utility model provides a flue gas slide valve reducing joint which characterized in that: the reducing joint comprises a first flange plate (1), a second flange plate (2), a third flange plate (3), a fourth flange plate (4), a third reducing pipe (5), a second reducing pipe (6) and a first reducing pipe (7); the first flange plate (1) and the second flange plate (2) are sleeved at two ends of the first reducing pipe (7) and then welded and fixed, the end face of the second reducing pipe (6) is welded on the end face of the second flange plate (2), the third reducing pipe (5) is sleeved at the other end of the second reducing pipe (6) and then welded and fixed, the end face of the third reducing pipe (5) is welded on the end face of the third flange plate (3), and the fourth flange plate (4) is sleeved at the other end of the third reducing pipe (5) and then welded and fixed; the pipe diameters of the third reducing pipe (5), the second reducing pipe (6) and the first reducing pipe (7) are reduced in sequence; the outer diameter of the first flange plate (1) is smaller than the inner diameter of the second reducer pipe (6), and the outer diameter of the second flange plate (2) is smaller than the inner diameter of the third reducer pipe (5).
2. The flue gas gate valve reducer union of claim 1, characterized in that: and the first flange plate (1), the second flange plate (2), the third flange plate (3) and the fourth flange plate (4) are respectively provided with a mounting hole (8).
3. The flue gas gate valve reducer union of claim 2, characterized in that: the number of the mounting holes in the first flange plate (1) is 6, and the mounting holes are uniformly distributed on the circumference.
4. The flue gas gate valve reducer union of claim 2, characterized in that: the number of the mounting holes on the second flange plate (2) is 8, and the mounting holes are uniformly distributed on the circumference.
5. The flue gas gate valve reducer union of claim 2, characterized in that: the number of the mounting holes on the third flange plate (3) is 10, and the mounting holes are uniformly distributed on the circumference.
6. The flue gas gate valve reducer union of claim 2, characterized in that: the number of the mounting holes on the fourth flange plate (4) is 12, and the mounting holes are uniformly distributed on the circumference.
7. The flue gas gate valve reducer union of claim 1, characterized in that: the distance between the first flange plate (1), the second flange plate (2), the third flange plate (3) and the fourth flange plate (4) is not less than 25 cm.
8. The flue gas gate valve reducer union of claim 1, characterized in that: the thicknesses of the first flange plate (1), the second flange plate (2), the third flange plate (3) and the fourth flange plate (4) are not more than 8 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123364561.4U CN216520153U (en) | 2021-12-30 | 2021-12-30 | Reducing joint of flue gas gate valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123364561.4U CN216520153U (en) | 2021-12-30 | 2021-12-30 | Reducing joint of flue gas gate valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216520153U true CN216520153U (en) | 2022-05-13 |
Family
ID=81506586
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123364561.4U Active CN216520153U (en) | 2021-12-30 | 2021-12-30 | Reducing joint of flue gas gate valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216520153U (en) |
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2021
- 2021-12-30 CN CN202123364561.4U patent/CN216520153U/en active Active
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