CN-116493371-B - Rotatable telescopic steel pipeline for smoke dust collecting device

CN116493371BCN 116493371 BCN116493371 BCN 116493371BCN-116493371-B

Abstract

The invention discloses a rotatable telescopic steel pipeline for a smoke dust collecting device, which comprises a first straight pipe, a fixed straight pipe and a telescopic pipeline, wherein a smoke gas inlet is formed in the first straight pipe, a smoke gas outlet is formed in the fixed straight pipe, rotary joints are arranged at two ends of the telescopic pipeline, and the two ends of the telescopic pipeline are connected with the first straight pipe and the fixed straight pipe through the rotary joints respectively. According to the invention, the rotary joint is arranged at the joint of the first straight pipe and the telescopic pipeline, and the rotary joint is arranged at the joint of the fixed straight pipe and the telescopic pipeline, so that when the first straight pipe is discontinuously moved vertically up and down, the joint of the first straight pipe and the telescopic pipeline and the joint of the fixed straight pipe and the telescopic pipeline are relatively rotated, the telescopic pipeline is telescopic, the function of freely rotating and telescopic the pipeline is realized, the first straight pipe can be vertically moved up and down through the telescopic pipeline, and the performance requirement of the smoke dust collecting device on the pipeline in the smoke dust collecting process is met.

Inventors

GUAN GUISHENG
Zhu pengda
ZHANG YIYUE
ZHAO JUN
You Fuyou
Zhu Muye
DAI LONGFEI
CHEN FUGUANG

Assignees

云南铜业股份有限公司西南铜业分公司

Dates

Publication Date: 20260505
Application Date: 20230328

Claims (8)

1. A rotatable telescopic steel tube for a fume collection device, comprising: A first straight tube is arranged at the bottom of the first straight tube, a smoke inlet is formed in the first straight pipe; the device comprises a fixed straight pipe, wherein a smoke outlet is formed in the fixed straight pipe; the telescopic pipeline comprises a first bent pipe, a second straight pipe, an expansion joint and a second bent pipe, wherein one end of the first bent pipe is connected with one end of the first straight pipe through one rotating joint, the other end of the first bent pipe is connected with one end of the second straight pipe, the other end of the second straight pipe is connected with one end of the second bent pipe through one expansion joint, and the other end of the second bent pipe is connected with one end of the fixed straight pipe through one rotating joint; the bolt assembly comprises a screw rod and two nuts; The expansion joint comprises a third straight pipe, a second liner pipe, a third liner pipe, a fourth flange, a fifth flange, a Six Codes flange and a seventh flange, wherein the fourth flange is fixedly arranged at one end of the second straight pipe far away from the first bent pipe, the fifth flange is arranged at one end of the second liner pipe, the fourth flange is provided with a bolt assembly on the fifth flange and is connected with the fifth flange through the bolt assembly, one end of the third liner pipe is sleeved at the outer side of the other end of the second liner pipe, the third liner pipe is positioned in the third straight pipe, the outer side of the third liner pipe is in butt joint with the inner side of the third straight pipe, one end of the third straight pipe far away from the second straight pipe is connected with one end of the second bent pipe, the first Six Codes flange is fixedly arranged at one end of the third straight pipe near the second straight pipe, the seventh flange is arranged at one side of the first Six Codes flange near the second straight pipe through the bolt assembly, the inner diameter of the seventh flange is smaller than the third inner diameter, and when the third liner pipe is in the longest length, the expansion joint is in butt joint with the first end of the first liner pipe.
2. The rotatable telescopic steel tube for a fume collection device according to claim 1, wherein the swivel comprises a first flange, a second flange, and a third flange; When the rotary joint is arranged between the first straight pipe and the first bent pipe, the first flange is fixedly arranged outside one end of the first bent pipe, the second flange is fixedly arranged outside one end of the first straight pipe, the third flange is detachably arranged on one side, close to the first straight pipe, of the first flange, a circular groove is formed after the first flange is connected with the opposite side of the third flange, the second flange is positioned in the circular groove, and a gap is formed between the outer side of one end of the second flange and the third flange.
3. The rotatable telescopic steel tube for a smoke dust collecting device according to claim 2, wherein when the swivel joint is arranged between the fixed straight tube and the second bent tube, the first flange is fixedly arranged outside one end of the second bent tube, the second flange is fixedly arranged outside one end of the fixed straight tube, the third flange is detachably arranged on one side of the first flange, which is close to the fixed straight tube, and a circular groove is formed after the opposite sides of the first flange and the third flange are connected, the second flange is positioned in the circular groove, and a gap is formed between the outside of the fixed straight tube, which is provided with one end of the second flange, and the third flange.
4. A rotatable telescopic steel tube for a smoke collecting device according to claim 3, wherein said swivel further comprises a first liner; when the rotary joint is arranged between the first straight pipe and the first bent pipe, one end of the first liner pipe is fixedly connected with the inner side of the first straight pipe, which is provided with one end of the second flange, and the other end of the first liner pipe is in butt joint with the inner side of one end of the first bent pipe; when the rotary joint is arranged between the fixed straight pipe and the second bent pipe, one end of the first liner pipe is fixedly connected with the inner side of the fixed straight pipe, which is provided with one end of the second flange, and the other end of the first liner pipe is in butt joint with the inner side of one end of the second bent pipe.
5. The rotatable telescopic steel tube for a fume collector of claim 4, wherein said first flange and said third flange are provided with said bolt assemblies, said threaded rod extends through said first flange and said second flange, and said nuts are secured to said threaded rod at opposite ends thereof.
6. The rotatable telescopic steel tube for a fume collector of claim 5, wherein a plurality of said bolt assemblies are disposed on said first flange and said third flange and are uniformly spaced on said first flange and said second flange.
7. The rotatable telescopic steel pipeline for a smoke dust collecting device according to claim 1, wherein the telescopic joint further comprises an eighth flange and a ninth flange, the eighth flange is arranged at one end of the third straight pipe far away from the second straight pipe, the ninth flange is arranged at one end of the second bent pipe close to the third straight pipe, and the eighth flange and the ninth flange are provided with the bolt assemblies and are connected through the bolt assemblies.
8. The rotatable telescopic steel tube for a fume collector of claim 7, wherein said telescopic joint further comprises a gasket disposed between said sixth flange and said seventh flange, an end face of said third liner adjacent to one end of said second liner abutting said gasket when said telescopic joint is extended to a maximum length.

Description

Rotatable telescopic steel pipeline for smoke dust collecting device Technical Field The invention relates to the technical field of smoke dust cleaning, in particular to a rotatable telescopic steel pipeline for a smoke dust collecting device. Background The generated slag is lifted to a fixed position and poured into a cooling slag ladle for natural slow cooling during blowing of the copper smelting converter, and because the temperature of the slag is high (about 1200 ℃), a large amount of SO 2 smoke dust generated in the slag is dissipated into the surrounding space to cause low-altitude pollution to a certain extent, the generated smoke dust must be collected and treated in time by using a smoke dust collecting device, and steel materials are required for the pipeline used by the device according to the high temperature of the smoke dust, strong corrosiveness and certain anti-collision performance requirements of the device. In addition, before pouring the slag into the cooling slag ladle, the flue gas inlet of the smoke dust collecting device is required to be lifted upwards to leave a space for a slag lifting device, and after the slag lifting device leaves, the flue gas inlet of the smoke dust collecting device is required to be lowered to restore to the original position, so that the smoke dust collecting device is required to intermittently move up and down in the process of collecting the smoke dust, namely, a pipeline for collecting the smoke gas is required to intermittently move up and down, but the existing steel pipeline cannot meet the requirement. There is thus a need for improvements and improvements in the art. Disclosure of Invention In view of the above-mentioned shortcomings of the prior art, the present invention aims to provide a rotatable telescopic steel pipeline for a smoke dust collecting device, which aims to solve the problem that the steel pipeline in the prior art cannot be intermittently moved up and down in the smoke dust collecting process. The technical scheme adopted for solving the technical problems is as follows: In a first aspect, embodiments of the present invention provide a rotatable telescopic steel pipeline for a fume collection device, comprising: A first straight tube is arranged at the bottom of the first straight tube, a smoke inlet is formed in the first straight pipe; the device comprises a fixed straight pipe, wherein a smoke outlet is formed in the fixed straight pipe; The telescopic pipeline, telescopic pipeline both ends all are equipped with the swivel joint, just telescopic pipeline's both ends pass through the swivel joint respectively with first straight tube reaches fixed straight tube is connected. As a further improvement technical scheme, the telescopic pipeline comprises a first bent pipe, a second straight pipe, an expansion joint and a second bent pipe, wherein one end of the first bent pipe is connected with one end of the first straight pipe through one rotating joint, the other end of the first bent pipe is connected with one end of the second straight pipe, the other end of the second straight pipe is connected with one end of the second bent pipe through the expansion joint, and the other end of the second bent pipe is connected with one end of the fixed straight pipe through one rotating joint. As a further improvement technical scheme, the rotary joint comprises a first flange, a second flange and a third flange; When the rotary joint is arranged between the first straight pipe and the first bent pipe, the first flange is fixedly arranged outside one end of the first bent pipe, the second flange is fixedly arranged outside one end of the first straight pipe, the third flange is detachably arranged on one side, close to the first straight pipe, of the first flange, a circular groove is formed after the first flange is connected with the opposite side of the third flange, the second flange is positioned in the circular groove, and a gap is formed between the outer side of one end of the second flange and the third flange. As a further improvement technical scheme, when the rotary joint is arranged between the fixed straight pipe and the second bent pipe, the first flange is fixedly arranged outside one end of the second bent pipe, the second flange is fixedly arranged outside one end of the fixed straight pipe, the third flange is detachably arranged on one side, close to the fixed straight pipe, of the first flange, a circular groove is formed after the first flange is connected with the opposite side of the third flange, the second flange is positioned in the circular groove, and a gap is formed between the outer side of one end of the second flange and the third flange, which is arranged on the fixed straight pipe. As a further improvement, the rotary joint further comprises a first liner tube; when the rotary joint is arranged between the first straight pipe and the first bent pipe, one end of the first liner pipe is fixedly connec