{"id":3316,"date":"2020-11-24T20:36:31","date_gmt":"2020-11-25T02:36:31","guid":{"rendered":"https:\/\/oasis.hostingpruebaspearl.com\/?p=3316"},"modified":"2021-05-19T13:04:47","modified_gmt":"2021-05-19T18:04:47","slug":"preguntas-frecuentes-sobre-los-colectores-de-polvo","status":"publish","type":"post","link":"https:\/\/oasis.hostingpruebaspearl.com\/en\/preguntas-frecuentes-sobre-los-colectores-de-polvo\/","title":{"rendered":"Frequently Asked Questions about Dust Collectors"},"content":{"rendered":"
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Dust Collectors<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t

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Frequently Asked Questions about Dust Collectors<\/h1>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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In order to control dusts, fumes, mists or gases, the industry must have specialized systems or they must invest in them. These systems force various questions to be asked, since some of these can be very simple or very complex. Some frequently asked questions are ...<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t

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1. What type of dust collector do I need for my application<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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Typically most industrial dust collectors are bag \/ sleeve or cartridge type, however, they are not the best solution in all cases.<\/p>

a) Baghouse:<\/strong> These equipments, also known as the Filter Drawer, are ideal for dry dust collection applications, they are highly efficient and capture submicron particles. Not recommended for wet or sticky applications. High concentrations of dust can cause operational problems.<\/p>

Cyclonic pre-filter systems can help improve Baghouse performance during operation.<\/p>

b) Cartridge collectors:<\/strong> This system is less expensive than a Baghouse, the cartridge collectors are less tolerant than a Baghouse in wet and sticky applications. The pleated filters allow greater air flow offering a larger filtration surface. Cartridge collectors have lower dust concentration thresholds than a Baghouse.\u00a0<\/p>

c) Cyclone<\/strong> collector<\/strong> These types of dust collectors are low maintenance and have high efficiency in removing dusts larger than 10 microns and larger. They also function many times as a pre-filter system for a baghouse or baghouse, cartridge collector or wet scrubber. They operate more efficiently with higher concentrations of dust.<\/p>

d) Wet scrubber:<\/strong> can be applied for water soluble powders. These can also remove fumes (acids, bases, amines, etc.) from the air stream. They are very efficient, but require special treatment, since the waste can contaminate the water.<\/p>

e) Electrostatic precipitators:<\/strong> They have a very high efficiency dust removal ability, the size of the particles is not that important. They are very effective with submicron particles, but they need to have pre-filters.<\/p>

f) Filter Collector:<\/strong> These are the most basic dust collectors. Its filters are disposable, they are effective with very low concentrations of particulate dust. Filters are replaced every time they are clogged. Cyclonic pre-filters can be used to increase filter life.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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2. What information do I need to determine the size of my dust collector?<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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You must provide all the information that is necessary, with it they will be able to initially have the data so that the dust collector is dimensioned.<\/p>

Some of the basic questions are:<\/p>

a) What is the air flow through the dust collector?<\/p>

b) What is the temperature and pressure that the dust collector must withstand?<\/p>

c) What type of dust, smoke, mist or gas is being collected?<\/p>

d) Is it explosive or abrasive?<\/p>

e) What removal efficiency do you need?<\/p>

The five questions above will allow the supplier to get a general idea of the type of equipment you require and provide you with a quote. However, with the above information alone, the performance of the dust collector cannot be guaranteed as this requires a series of calculations and site visits to be more accurate.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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Dust Collectors<\/a><\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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3. Is my powder explosive?<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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To help answer this question, the NFPA (National Fire Protection Association)<\/a> in the United States, has published two standards NFPA-652<\/a> and NFPA-654<\/a>, which establish the characteristics that powders must meet to be considered explosives. A combustible dust is defined as a fuel finely divided into solid particles that present a risk of explosion or sudden fire when it is suspended in the air or the specific oxidizing medium of the process over a range of concentrations. Basically what this means is when there is dust in the air and its concentration is sufficient to cause a fire, spread a deflagration or explosion if exposed to a spark, then it is considered combustible. If you are not sure that your dust is not combustible, you should send the dust sample to a laboratory for analysis. The laboratory should provide one of three responses: no reaction, combustible but no propagator, or propagator.<\/p>

Typically, the lab will initially do a pass or no pass test. If the dust shows no signs of burning, the test will stop. If it shows signs of combustion, they will do further testing and provide the explosion properties (K st and P max) of the dust. The K st tells you how fast the blast will propagate, while P max tells you the force of the blast.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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Some things to remember:<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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