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氣浮機

概述 DESCRIPTION

煙氣脫硫的大型脫硫裝置稱為脫硫塔,而用於燃煤工業鍋爐和窯爐煙氣脫硫的小型脫硫除塵裝置多稱為脫硫除塵器。在脫硫塔和脫硫除塵器中,應含SO 的煙氣,對煙氣中的2SO 進行化學吸收。為了強化吸收過

程,提高脫硫效率,降低設備的投資和運行費用,脫硫塔和脫硫除塵器應滿足以下的基本要求:

1、氣液間有較大的接觸麵積和一定的接觸時間;

2、氣液間擾動強烈,吸收阻力小,對SO 的吸收效率高;

3、操作穩定,要有合適的操作彈性;

4、氣流通過時的壓降要小;

5、結構簡單,製造及維修方便,造價低廉,使用壽命長;

6、不結垢,不堵塞,耐磨損,耐腐蝕;

7、能耗低,不產生二次汙染。國內外燃煤電廠常用的脫硫塔主要有噴淋空塔、填料塔、雙回路塔及噴射鼓炮塔等四種。


The desulfurization tower is a large-scale desulfurization device for flue gas desulfurization , and small desulfurization dust removal device used for desulfurating flue gas of industrial kilns and furnaces is more known as the desulfurization dust collector. The desulfurization tower and the desulfurization dust collector contain SO2 flue gas .The SO2 flue gas should be absorbed by chemical substances. In order to strengthen the absorption process ,improve the desulfurization efficiency, reduce the investment and operation cost of the equipment, the desulfurization tower and the desulfurization dust remover should meet the following basic requirements:

1, Between gas and liquid have a large contact area and a certain contact time;

2, Perturbation between gas and liquid is strong and the absorption resistance is small.

3, Stable operation and have a suitable operation flexibility;

4, The pressure is low when the air flow through it.

5, Simple structure,convenient manufacture and maintenance, low cost, long serving life;

6, Do not scale and plug.Wear resistance and corrosion resistance;

7, Low energy consumption and don't produce twice pollution.

The desulfurization tower commonly used in Domestic and foreign coal power plants has four kinds: spray tower, packed tower, double circuit tower and spray drum tower.




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