|Industrial dust treatment equipment series|
|Welding fume exhaust gas treatment series|
|Grinding polishing dust removal equipment|
|Stand-alone dust collector|
|Spiral duct and accessories series|
How to prevent the explosion accident of dust removal equipment? Dust removal equipment is in a bag type dust collector that handles waste gas from wood chip boilers, rice hull boilers, aluminum regeneration furnaces, smelting furnaces, etc. The dust after combustion in the furnace may enter the box with the air duct airflow, causing the dust accumulated on the filter cloth to catch fire. Caused by accident: In bag dust collectors that treat waste gas, such as wood chip boilers, rice hull boilers, aluminum regeneration furnaces, and smelting furnaces, the burned dust in the furnace will enter the cabinet along with the air duct airflow, causing dust on the filter cloth. Fire, causing an accident.
How to prevent the explosion accident of dust removal equipment? To prevent Mars from entering the baghouse, the following measures should be taken.
① Install pre-dust collector and cooling pipe. The picture shows a cyclone or inert dust collector, as a front dust catcher to capture coarse dust and Mars. This is too good Mars is not easy to catch. In most cases, particulate dust will burn out before entering the vacuum cleaner There is a cooling pipe behind the pre-dust collector, and the flow velocity in the pipe is controlled as low as possible. This is a relatively reliable technical measure, which can make the gas have a sufficient residence time in the pipe.
② cooling spray tower, direct spray gas cooling method. 在特殊情况下，喷淋塔、冷却管和预除尘器联合使用，防止火星完全混合. In order to ensure the safety and fire prevention of the dust-containing gas in the bag filter, the amount of cooling water is controlled and supplied. Most of the burning dust can be cooled once it comes into contact with small water droplets, but the water droplets are easily vaporized. For burning dust, the necessary space and dwell time should be provided. In special cases, spray towers, cooling pipes and pre-dusters are used in combination to prevent Mars from mixing completely.
③ It is a simple and feasible method to install a Mars capture device on the pipeline. And when Mars passes the trap, it can send out an electric signal to give an alarm. At the same time, stop operation or change the gas path, etc.
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