Best Essential Parts For A Dust Collection System
                     Best Essential Parts For A Dust 
Collection System
Presented By:- Abhinav Shashtri
Index
SR.No Title Slide No
1 Introduction 3
2 Quantity of Dust 4
3 Uses of dust collector 5
4 Vents and Hoods 7
5 Pulse Diaphragm Valve 8
6 Filters 9
7 Storage 10
8 Housekeeping 11
Introduction:-
Dust may be a flamable and metabolic process hazard, 
that means that dust collection is important for the 
protection of staff. While several assume that federal 
agency standards primarily apply to massive 
workshops, dust collection is needed 
Pulse Diaphragm Valve in wood retailers starting from 
massive skilled factories to tiny hobby retailers. 
Ventilation, wood dust collection, and explosion 
prevention must be considered in any work area 
involving fine particulate wood dusts to meet standards 
and ensure the safety of the location, equipment, and 
workers.
Quantity of Dust
Wood dusts square measure each a flamable hazard and a metabolic 
process hazard, which means that you must consider both the 
Minimum Explosible Concentration/Quantity (MEC/MEQ) and the 
Workplace Exposure Limit (WEL). 
Soft and green wood dusts have a WEL of about 5 micrograms per 
cubic meter. Your dust collection system should be ready to keep 
dust below that level by removing mud at the supply, at a rate 
comparable with the production output of dust. 
Most wood dusts are classed as ST two dusts, meaning that they 
have a Kst rating between 200 and 300, which means that they are 
moderately explosible and can be set off by electrostatic energy. 
Your dust collection system ought to be ready to handle dusts of this 
kind.
  
Vents and Hoods
This generally means that putting in vents and hoods at 
the positioning of mud production, so that wood dusts 
are collected before they are spread into the air. 
Local dust collection, such as exhaust hoods or 
conveyors, removes dust quickly as it is produced, 
which can prevent dusts from reaching ignition points 
and escaping into the surrounding area.
Conveying Air Velocity
While the transference air rate needed for your dust 
collection system can vary looking on the scale of the 
system, the volume of air, and the weight and size of the 
wood particulate produced, you can start out with a base rate 
of 3,500-4,000 cubic feet per minute. 
However, your air pressure should be calculated based on 
your building, dust production, number of exhaust vents, and 
the length of any ducts or pipes and pulse diaphragm valves. 
The atmospheric pressure should be ready to carry 
particulate and move it to the gathering space while not 
losing dust at joints and vents.
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Pulse Diaphragm Valve
Pulse Diaphragm Valve are crucial to maintaining the safety of a wood dust 
collection system. Ducts ought to be kept short, should not leak at the seams, 
and should be easy to take apart in order to allow for regular maintenance.
Pulse Diaphragm Valves are driven by integral solenoid pilot operator. At the 
point when the valve is charged, the trapped air above pulse diaphragm valve 
is quickly exhausted causing quick opening of main diaphragm. When the 
pilot valve is discharged, air escapes through drain gap of primary pulse jet 
valve to adjust the diaphragm pressure and immediately closes the valve.
The relative duty time cycle for ac voltage is 200th and for DC voltage is 10 
zip .This implies energised time is most 1/5th of de-energised time for AC and 
1/10th for DC voltage.
Mounting in any location won't have an effect on Pulse Jet Valve operation. 
However smart style observe is to avoid scale and consolidated water getting 
into valve body for disturbance free performance. Standard end connections of 
BSP are provided.
Filters
Filters ought to be purchased supported the micrometer 
size of the wood mud created. 
This will vary looking on the cutting or process 
applications, and will vary from below ten microns to 
sizes in millimeters. Dust filters should be of the correct 
potency to lure the best dust created within the work.
Storage
Stored wood mud is the maximum amount of a hazard 
as wood dust during a search, therefore it's crucial that 
dust is keep properly. NFPA laws need that flamable 
dusts be keep outside of the building, or during a 
storage instrumentality with spare explosion relief 
emanation.
Housekeeping
Most dust collection systems can miss anyplace from one to fifteen of fine 
mud particulate, depending on the size, quality of the installation, and the 
suitability of the system. This means that correct housework is important to 
keeping mud below the Minimum Explosible Concentration (MEC). 
Establish an everyday housework program to vacuum or sweep wood mud, 
and create a system for checking in hard to reach or hard to see areas, such 
as overhead lighting, between roofing panels, etc to ensure this. Wood mud 
will last for over a year, and even small quantities built up over time can 
eventually become explosible.
A wood dust collection system will make sure the safety of a workshop or 
location, but only if it continues to perform at the same level. If further staff, 
equipment, or new craft or cutting techniques square measure brought into 
the search, the whole system ought to be adjusted to make sure that it 
continues take away mud before it becomes a hazard.
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