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Multi-sedimentation high-temperature flue gas particle separation device

A technology of particle separation and high-temperature flue gas, which is applied in the field of steelmaking, can solve the problem of low energy consumption, and achieve the effects of low energy consumption, shortened falling distance, and small flue gas resistance loss

Pending Publication Date: 2021-01-26
BEIJING JINGCHENGKELIN ENVIRONMENTAL PROTECTION TECH +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0013] The purpose of the present invention is to provide a multiple settling high-temperature flue gas particle separation device that can reduce wear and solve the hazards of flue gas retention, and has low energy consumption

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Embodiment Construction

[0042] In order to have a clearer understanding of the technical solutions, objectives and effects of the present invention, the specific implementation manners of the present invention will now be described with reference to the accompanying drawings. Wherein, the use of adjective or adverbial modifiers "upper" and "lower", "top" and "bottom", "inner" and "outer" is only for relative reference between groups of terms and is not descriptive. Any specific directional constraints on the modified term. In addition, the terms "first", "second", "third" and so on are used for descriptive purposes only, and cannot be interpreted as indicating or implying relative importance or implicitly specifying the number of indicated technical features, thus, limiting A feature with "first", "second", "third", etc. may expressly or implicitly include one or more of that feature. In the description of the present invention, unless otherwise specified, "plurality" means two or more, and "high te...

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Abstract

The invention provides a multi-sedimentation high-temperature flue gas particle separation device which comprises a shell, a cooling assembly and a sedimentation assembly, an inlet and an outlet whichare opposite to each other are formed in the shell, and the inlet is connected with a steering bent pipe through a flared pipe; the cooling assembly comprises a water inlet header, a water outlet header and at least one first hanging rod communicating with the water inlet header and the water outlet header. The settling assembly is arranged in the shell and comprises at least two layers of firstinclined plates arranged at intervals, the first inclined plates are obliquely arranged towards the top wall of the shell in the smoke flowing direction, the included angle between each first inclinedplate and the top wall of the shell ranges from 5 degrees to 70 degrees, each first inclined plate is connected with the corresponding first hanging rod, and the upper ends of the first inclined plates extend to the outlet. According to the multi-sedimentation high-temperature flue gas particle separation device, the harm of local scouring and flue gas retention caused by non-uniform airflow is reduced, flue gas and particles are separated, the flue gas resistance loss is small, and the energy consumption is low.

Description

technical field [0001] The invention relates to the technical field of steelmaking, in particular to a device for separating high-temperature flue gas particles with multiple settling. Background technique [0002] The converter produces converter gas during the steelmaking process, and its main components are CO, CO 2 , O 2 , N 2 and Ar, etc., and FeO, Fe carried by the gas 2 o 3 , CaO and SiO 2 and other dust, the total dust content is 80g / Nm 3 ~150g / Nm 3 , it must be dedusted before it can be used, blowing one ton of steel can recover 80Nm of converter gas with a CO concentration of 60% 3 ~120Nm 3 , is an important secondary energy source for iron and steel plants. [0003] The converter production method is intermittent, and the production time generally does not exceed 20 minutes, and the preparation time generally does not exceed 20 minutes. Due to this fast intermittent production method, converter flue gas treatment facilities, especially high-temperature f...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01D45/02B01D45/06B01D45/08
CPCB01D45/02B01D45/06B01D45/08
Inventor 杨源满杨明华万庆明井小海王林黄伟王元新李映男
Owner BEIJING JINGCHENGKELIN ENVIRONMENTAL PROTECTION TECH
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