Looking for breakthrough ideas for innovation challenges? Try Patsnap Eureka!

Chimney with spiral flow guide plate on outer wall

A deflector and spiral technology, applied in the field of chimneys, can solve the problems of excessive chimney height-to-diameter ratio, low bending strength, and lateral displacement, so as to reduce lateral displacement and deformation, improve resistance to deformation, and enhance resistance to deformation. The effect of bending strength

Inactive Publication Date: 2012-07-04
中国有色金属工业第十四冶金建设有限公司
View PDF6 Cites 1 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] It can be seen from the above that although there are many known and disclosed deflector technologies, none of them is used to solve the problems of excessive chimney height-to-diameter ratio, low bending strength, lateral displacement and deformation.

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Chimney with spiral flow guide plate on outer wall
  • Chimney with spiral flow guide plate on outer wall
  • Chimney with spiral flow guide plate on outer wall

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] Embodiment 1: A chimney with a spiral deflector on the outer wall, including a dust collector 1, a guardrail 2, a workbench 3, a rib 4, a chimney body 5, a deflector 6, a connecting flange 7, and a flange rib 8. Ventilation grid 9. The dust collector 1 is installed on the top of the chimney body 5 and connected with the chimney body 5. The chimney body 5 is formed by connecting several chimneys with connecting flanges 7. 3, the rib plate 4 is used to weld it to the chimney body 5, and the guardrail 2 is welded to the outer edge of the workbench 3. There is a ventilation grid 9, and the deflector 6 is continuously and uniformly welded on the outer wall of the chimney body 5, and it surrounds the outer wall of the chimney body 5 from the bottom to the bottom of the top workbench 3. Flange ribs 8 are welded between the body 5, and the connecting flange 7 is fixed by bolt connection.

[0025] The diameter of the chimney body is 1m, and the length of each chimney body is 1...

Embodiment 2

[0027] Embodiment 2: The composition structure is the same as that of Example 1.

[0028] Chimney diameter D 2 =1.5m, the length L=15m of every chimney body 5. Deflector 6 pitch P=0.5m, width B 2 =0.35m, helix angle α=45°.

[0029]Carry out the diversion principle analysis to embodiment 2, the wind load vertically blows to the chimney body to the right, part of the air flow spirals up along the deflector 6 to the right, forming an upward airflow along the deflector 6, and part of the air flows along the deflector 6 Turn around the chimney body 5 during the left-hand helical ascending process to form a leftward turning airflow. The airflow rises along the deflector 6 and flows out from the top of the workbench 3 through the ventilation grid 9, converting the lateral load into a longitudinal load and reducing the pressure of the wind load on the chimney body 5; The direction of the wind load of the chimney body 5 flows out in the opposite direction, thereby resisting and off...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

The invention relates to a chimney with a spiral flow guide plate on an outer wall. A spiral flow guide plate is arranged on the outer wall of a steel structural chimney and used for guiding gas flow produced by high-speed wind to partially spirally ascend and partially reversely rotate, and a transverse wind load produced by the gas flow which acts on the outer wall of the chimney is reduced and counteracted, so that the bending strength of the outside of the chimney under the condition that the structure of the chimney has a large height-to-width ratio is enhanced, the transverse displacement and the distortion of the chimney are reduced, and the structural safety of the chimney is ensured.

Description

technical field [0001] The invention relates to a chimney with a spiral deflector on the outer wall, in particular to a flue gas exhaust device provided with a spiral deflector on the outer wall of the chimney. technical background [0002] Chimneys are widely used in metallurgy, machinery, water conservancy and hydropower, chemical industry and other industries. The main purpose is to realize the high-altitude emission of harmful smoke and dust and reduce the pollution to the ground. In order to achieve the above objectives, the current development trend in this technical field is to increase the overall height of the chimney, increase the discharge speed of the smoke, or adopt a combined chimney structure for centralized discharge. Since the chimney is a towering structure, which is a tall, slender flexible structure with a circular cross-section, the ratio of its height dimension to its transverse dimension is large, so the flexural strength of the chimney is relatively w...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Applications(China)
IPC IPC(8): F23J11/00F23J13/00
Inventor 邱录军王庆江嵩申懋陈开德魏常群
Owner 中国有色金属工业第十四冶金建设有限公司
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Patsnap Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com