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Distribution device applied to thick plaster slurry

A distribution device and thick slurry technology, which is applied in the field of wet flue gas desulfurization, can solve the problems of complex pipeline system layout, easy deposition and blockage of equipment pipelines, etc., and achieve the effects of reducing failure points, reducing power consumption, and simple control

Active Publication Date: 2009-12-02
TONGFANG ENVIRONMENT
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The disadvantage is that the layout of the pipeline system is complicated, and due to the characteristics of the gypsum slurry, especially the thick slurry with a concentration of 50%, it is easy to deposit and block the equipment pipeline

Method used

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  • Distribution device applied to thick plaster slurry
  • Distribution device applied to thick plaster slurry
  • Distribution device applied to thick plaster slurry

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Embodiment Construction

[0022] see Figure 1 to Figure 4 , the present invention includes a top flow distributor 1, an annular bottom flow distribution box 5 and a vertical drive mechanism 9. The top flow distributor 1 is composed of a central cylinder 2, a plurality of compartments 3 and gaps 10 communicating with the central cylinder 2, and a movable inserting plate 8 is provided at the connection between each compartment 3 and the central cylinder 2. The numbers of the compartments 3 and the gaps 10 are respectively the same as the number of operating units and the number of spare units of the vacuum belt dehydrator. The bottom plane of the central cylinder 2 of the top flow distributor 1 is supported on the bearing 9.1 at the top of the driving mechanism 9 and makes the top flow distributor 1 rotate under the driving state. The outlet at the bottom of the bottom plane of each compartment 3 is connected with a downwardly curved slurry distribution pipe 4 facing the underflow distribution box 5, a...

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Abstract

A distribution device applied to thick plaster slurry relates to the wet method fume desulfurizing technology in the field of energy and environment protection. The invention comprises a top flow distributor, an annular bottom flow distributing box and a vertical driving mechanism. The top flow distributor consists of a central cylinder and a plurality of compartments and notches which are communicated with the central cylinder. The bottom flat face of the central cylinder of the top flow distributor is propped against the bearing at the top of the driving mechanism and causes the top flow distributor to rotate under a driving state. The bottom end outlets on the flat face of each compartment are connected with slurry distributing tubes which are downbent and aligned with the bottom flow distributing box. A plurality of slurry distributing cabins with the same angle as the compartment centre are arranged in the annular groove of the bottom flow distributing box, and the bottom of each slurry distributing cabin is provided with a slurry tube which is connected with the slurry inlet of a vacuum belt dewaterer. The invention changes the manner of valve utilization and distributing tube transmission, thus facilitating the distribution of the thick plaster slurry, having the characteristics of simple structure, convenient control, easy switch among belt feeders and unlikely blockage of tubes.

Description

technical field [0001] The invention relates to a wet flue gas desulfurization technology in the field of energy and environmental protection, in particular to a distribution device suitable for thick gypsum slurry. Background technique [0002] Among flue gas desulfurization technologies, limestone-gypsum wet flue gas desulfurization technology is the most widely used technology. In this desulfurization technology, after the alkaline limestone slurry is in contact with the flue gas, the SO in it is absorbed 2 Components undergo chemical reaction and oxidation, and crystallize into a gypsum slurry with a concentration of about 15% after staying in the slurry pool of the absorption tower for a sufficient time. The prior art process is to send the gypsum slurry with a concentration of about 15% into a cyclone, centrifuge and concentrate it into a thick slurry with a concentration of 50%, and then send it to a vacuum belt dehydrator for dehydration to form a gypsum product tha...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01D53/80B01D53/50
Inventor 徐杰英崔旭东肖海涛李炳余
Owner TONGFANG ENVIRONMENT
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