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PMD Pulse single dust filter

 

PMD pulse single dust filter is suitable to remove dust of small air volume. The selection and workmanship arrangement is simple. Dust gas goes into the filtering chambers with bags through hoppers ( it will go into the filtering chambers directly I f there are no hoppers). Dust is attached to the surface of fitering bags. The purified gas enters the top case body via filtering bag and then be discharged into the atmosphere by fan through discharging pipes. With the thickness of dust on the filtering bags increased, the resistance of dust filter raises continuously. When it raises to some extent (normally 1800Pa), dust removal must be done to guarantee the continuous work of filters. Filtering bags of dust filter are arranged in line. Every row of filtering bags is equipped with one pulse valve to control compressed air for pulse dust removal. The action of pulse valve is controlled by programs. When removing dust, dust removal controller will send out signals and make pulse valve release compressed air of 0.5-0.7Mpa. Compressed air swarms into the bags in high speed via air spraying pipes. At the same time, a second air flow which is several times stronger than compressed air comes into being. There will be instantaneous crushing wave and spread down from the top of filtering bag. Make the dust collected on the surfae of filtering bag fall down and the lump dust will fall into the hopper. The continuous pulse time may be adjusted to suit different characters of powder dust.
PMD series pulse single dust filter is composed of cabinet body, fltering room, inspection door, fan, compressed air, spraying system, dust hopper and support legs etc. There are two types of dust filter,standard hopper A type and open flange B type. The material of filtering bag is normally used terylene needle felt. In special condition, it may select glass fibre needle felt or composed filtering material.
Technical parameter table
specificationsparameters
PMD-2
PMD-3
PMD-4
PMD-5
PMD-6
PMD-7
Handle air
 (m 3 /h)
2500
3500
4800
5800
6800
8200
Filter area (m 2 )
22
33
43
58
68
81
Filtration speed (m/min)
1.8
1.7
1.8
1.6
1.6
1.6
The filter bag total
 (only )
36
54
70
63
77
88
resistance
 (pa)
1200
Entrance concentration
 (g/Nm 3 )
200
Export concentration
 (g/Nm 3 )
50
The inlet temperature ( )
≤ 120
Gas supply pressure (Mpa)
0.4 0.5
Gas consumption (m 3 /min)
0.15
0.2
0.25
0.27
0.31
0.35
 
model
performance
JMC-32
JMC-48
JMC-64
JMC-80
JMC-96
JMC-112
Handle air
 (m 3 /h)
1500-2100
2100-3200
2900-4300
4000-6000
5200-7000
6000-9000
Filter area
 (m 2 )
24
36
48
60
72
84
Filtration speed (m/min)
1.00-1.50
1.00-1.50
1.00-1.50
1.10-1.70
1.20-1.70
1.20-1.80
The filter bag quantity
 (article
 )
32
48
64
80
96
112
Entrance gas temperature ( )
≤ 120
Equipment resistance (pa)
≤ 1200
Entrance dust concentration (g/m 3 )
200
Export emission concentrations (mg/ m 3 )
≤ 50
Soot cleaning by compressed air
 
pressure
 (Mpa)
0.5-0.7
Gas consumption
 (m 3 /min)
0.10
0.14
0.20
0.24
0.29
0.34
Under negative pressure (pa)
5000
Pulse valve number
a
4
6
8
10
12
14
Fan with motor power
kw
1.5
3.0
3.0
5.5
5.5
7.5
weight
 kg
A type (With ash hopper )
1350
1620
1850
2360
2800
3200
B type (Don't take ash hopper
 )
1220
1470
1670
2150
2540
2880
 
 

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