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Combined block type gas-solid mixing strengthening device

A gas-solid mixing and strengthening device technology, which is applied in the direction of gas/steam and solid mixing, mixers, mixing methods, etc., can solve the problem of weak air mixing intensity in the upper space, and the inability to effectively improve the space utilization rate and reaction efficiency of the reaction tower and other problems, to achieve low resistance and high efficiency gas-solid mixing, improve space utilization and reaction efficiency, and strengthen the effect of gas-solid mixing

Inactive Publication Date: 2010-06-09
HARBIN INST OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] The purpose of the present invention is to solve the problem that the air flow mixing intensity in the upper space of the fluidized reaction tower with a relatively large height and diameter is weak, which leads to the problem that the space utilization rate and reaction efficiency of the reaction tower cannot be effectively improved, and provides a combined block type Gas-solid mixing strengthening device

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  • Combined block type gas-solid mixing strengthening device
  • Combined block type gas-solid mixing strengthening device

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specific Embodiment approach 1

[0009] Specific implementation mode one: combine figure 1 Illustrate this embodiment, this embodiment comprises rectangular tower body 1 and at least one group of combination blocks, described one group of combination blocks is made up of solid phase concentration block 2 and impact block 3, solid phase concentration block 2 and impact block The stoppers 3 are all hollow or solid triangular bodies, and the impact stoppers 3 and the solid phase concentration stoppers 2 are opposite and staggered. The inner wall of the rectangular tower body 1 is connected, the angle α between the lower end slope of the solid phase concentration block 2 and the inner wall of the connected rectangular tower body 1 is 15°-25°, and the lower end slope of the impact block 3 corresponds to the inner wall of the rectangular tower body 1. The angle β between the inner walls of the connected rectangular tower body 1 is 65° to 75°, the width of the rectangular tower body 1 is h0, and the vertical distanc...

specific Embodiment approach 2

[0010] Specific implementation mode two: combination figure 1 This embodiment is described. In this embodiment, multiple sets of combined stoppers are arranged along the height direction of the rectangular tower body 1 , and the distance between each set of stoppers is (3-5)×h0. Other components and connections are the same as those in the first embodiment.

[0011] Working principle: When the airflow carrying solid particles flows through the small angle facing airflow slope of the solid-phase concentration block 2 from bottom to top, under the inertia of the solid-phase particles, the concentration behavior perpendicular to the flow direction occurs. A high-concentration solid-phase particle flow is formed near the opposite side wall of the solid-phase concentration block 2; the high-concentration solid-phase particle flow with a large inertia collides with the large-angle incoming airflow slope that hits the block 3 Behavior, the collision probability between the solid pha...

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Abstract

A combined block type gas-solid mixing strengthening device relates to a reaction tower strengthening the gas-solid mixing process. The invention aims to solve the following problem: the mixing strength of the airflow in the upper space of a fluidized reaction tower with higher height-diameter ratio is weak, thus causing that the space utilization rate and the reaction efficiency of the reaction tower can not be effectively improved. The invention has the following beneficial effects: when the airflow carrying solid phase particles flows through a small-angle airflow-ward slope of a solid phase concentrated block from bottom to top, the solid phase particles are concentrated under the inertia effect and form high concentration solid phase particle flow near the opposite side wall surface of the solid phase concentrated block after proper operating range (h2); high concentration solid phase particle flow with high inertia collides with a large-angle airflow-ward slope of an impact block, and the solid phase concentrated block and the impact block adopt smaller throttling area and proper space combination so that the flow resistance loss is minimized, thereby realizing low-resistance and high-efficiency gas-solid mixing. The invention is used in the gas-solid mixing process of the reaction tower.

Description

technical field [0001] The invention relates to a reaction tower for strengthening the gas-solid mixing process, which belongs to the fields of environmental protection and chemical industry, and in particular to a combined block type gas-solid mixing strengthening device. Background technique [0002] Due to its excellent heat and mass transfer and mixing characteristics, fluidization technology has been widely used in the fields of energy, chemical industry and environmental protection. In flue gas pollution control technology, mixing and drying technology, a fluidized reaction tower with a relatively large height and diameter is often used. The lower space of this reaction tower has good mixing characteristics, but the upper space of the reaction tower often presents typical In the state of pneumatic conveying, the gas-solid two-phase flow tends to be orderly, the slip between phases decreases, and the mixing intensity will be significantly weakened, that is, the probabil...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01F5/06B01F3/06B01F23/30
Inventor 高继慧王建文庞凌艳杜谦高建民吴少华秦裕琨
Owner HARBIN INST OF TECH