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Sulfur dioxide converter gas outlet device

A gas outlet, sulfur dioxide technology, applied in feeding devices, chemical instruments and methods, inorganic chemistry, etc., can solve problems such as uneven airflow velocity in the catalyst layer, achieve an effective uniform conversion rate, make up for resistance differences, and gas flow resistance. balanced effect

Pending Publication Date: 2020-02-18
CHINA NERIN ENG +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] An object of the present invention is to propose a sulfur dioxide converter gas outlet device to solve the problem of uneven air velocity in the catalyst layer

Method used

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  • Sulfur dioxide converter gas outlet device
  • Sulfur dioxide converter gas outlet device
  • Sulfur dioxide converter gas outlet device

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Embodiment Construction

[0021] In order to make the purpose, features and advantages of the present invention more obvious and understandable, the specific implementation manners of the present invention will be described in detail below in conjunction with the accompanying drawings. Several embodiments of the invention are shown in the drawings. However, the present invention can be embodied in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided so that the disclosure of the present invention will be thorough and complete.

[0022] It should be noted that when an element is referred to as being “fixed on” another element, it may be directly on the other element or there may be an intervening element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or intervening elements may also be present. As used herein, the terms "vertical," "horizontal," "left," "right," "u...

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Abstract

The invention discloses a sulfur dioxide converter gas outlet device which comprises a converter shell, an air outlet pipe cover plate, an air outlet pipe side plate and an air outlet pipe bottom plate and an air outlet pipe cover plate. The interior of the converter shell is provided with a first containing cavity. The air outlet pipe cover plate, the air outlet pipe side plate and the air outletpipe bottom plate are hermetically connected to form an air outlet pipe; a second containing cavity is formed in the air outlet pipe; the air outlet pipe cover plate, the air outlet pipe side plate and the air outlet pipe bottom plate penetrate through the converter shell in a sealed mode and horizontally extend inwards to the position near the center of the first containing cavity, and the air outlet pipe communicates with the first containing cavity and the outside. The part, located in the first containing cavity, of the air outlet pipe cover plate is provided with a plurality of open holes. A gas in the first containing cavity can enter the second containing cavity through the end circulation section, close to the center of the first containing cavity, of the gas outlet pipe, and thegas in the first containing cavity can enter the second containing cavity through the holes of the gas outlet pipe cover plate. The problem that in the prior art, the speed of airflow in a catalyst layer is not uniform can be solved.

Description

technical field [0001] The invention relates to the technical field of chemical equipment, in particular to a gas outlet device for a sulfur dioxide converter. Background technique [0002] With the development of non-ferrous metallurgy oxygen-enriched smelting technology, SO 2 Flue gas acid production projects are increasingly developing towards high concentration and large scale. Especially high concentrations of SO 2 The application of pre-reforming acid production technology requires that the gas velocity distribution in the catalyst bed is uniform due to the production process. [0003] The existing converter design generally simply opens a gas outlet on the side wall of the lower part of the catalyst layer. When the catalyst loading is limited, the area closer to the outlet will have low resistance, high gas velocity and low conversion rate. The phenomenon; the area farther from the outlet will have higher resistance, lower gas velocity and higher conversion rate. ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01J8/00B01J4/00C01B17/74
CPCB01J8/008B01J4/001C01B17/74
Inventor 李冬梅黄志远李文勇陈鑫
Owner CHINA NERIN ENG
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