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Feed apparatus for dry desulfurizing digester

A feeding device, dry desulfurization technology, applied in separation methods, chemical instruments and methods, dispersed particle separation, etc., can solve problems such as non-normal operation, numerical differences, affecting the digestive system, etc.

Inactive Publication Date: 2007-07-04
FUJIAN LONGKING
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Since there is a negative pressure of about negative 3000pa inside the digester (the negative pressure of the digester will also change with the change of the negative pressure of the electric field boiler), such a large negative pressure will affect the weighing screw conveyor, which will easily cause the actual progress of the digester. There is a certain difference between the amount of material and the value output by the weighing screw conveyor, which may easily lead to the inability to guarantee the quality of the calcium hydroxide digested by the digester, and even affect the entire digestive system, making it unable to operate normally

Method used

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  • Feed apparatus for dry desulfurizing digester

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Embodiment Construction

[0010] A feeding device for a dry desulfurization digester shown in the figure is composed of a flapper valve, an aeration box, a material flow control door and a discharge tank, and an intermediate warehouse ( 9), a weighing element (8) is arranged in the intermediate bin (9), and a frequency-modulated rotary feeder (7), a weighing element (8) and a frequency-modulated rotary feeder are installed below the outlet of the intermediate bin (9). The controllers (7) are respectively connected to the controller through cables; the connection between the intermediate bin (9) and the discharge tank (10) and the frequency-modulated rotary feeder (7) is connected through a flexible expansion joint (5).

[0011] When the digester system starts, the intermediate bin (9) starts to feed, and the calcium oxide passes through the bin (1) through the flapper valve (2), the aeration box (3), the material flow control door (4), and the discharge tank (10 ), enter the intermediate warehouse (9)....

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Abstract

The invention disclosed such a feed means that use for dry desulfurizing digestion machine. It has been solved for the feed means weighing accuracy problems because the negative pressure in the igestion machine. This invention set up middle Stores (9) under the outfall of the emissions groove (10), in the Middle Stores (9) there is a weighing device (8), under the middle Stores (9) outfall are installed on the FM Rotary Feeder (7), weighing devices (8) and FM Rotary Feeder (7) respectively through the cables connect with the controller, which has the advantages of accurate feed.

Description

1. Technical field [0001] The invention relates to a feed device for a dry desulfurization digester. 2. Background technology [0002] At present, such a feeding device for dry desulfurization digester is disclosed on the market. It is composed of heavy screw conveyors, etc. The flapper valve is set under the outlet of the silo, and an inflatable box is connected under the flapper valve. The outlet of the inflatable box is connected to the material flow control gate, and the outlet of the material flow control gate is connected to the discharge tank. A metering screw conveyor and a weighing screw conveyor are installed below the tank. When the digester starts, calcium oxide flows into the metering screw conveyor and weighing screw through the silo, flapper valve, aeration box, material flow control door, and discharge trough. conveyor, and finally to the digester. The feeding device uses the output value of the weighing screw conveyor to automatically adjust the speed of t...

Claims

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Application Information

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IPC IPC(8): B01D53/81B01D53/50
Inventor 易江林铙益龙张哲平章俊华陈旭张朝阳郑森辉
Owner FUJIAN LONGKING
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