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Help CenterPBF Horizontal Vacuum Belt Filter for Solid-liquid Separation
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PBF Horizontal Vacuum Belt Filter for solid-liquid separation
Horizontal vacuum belt filter working principle
Vacuum filter--Technological process
1.Vacuum trip
Filtering trip beginning, pulp is uniform in filtering take, filter plate and filters synchronous forward movement, with the pulp of filter in vacuum suction operations under the action of slurry, until the vacuum dish to metal sensors, cut off the vacuum so far.
2.Return trip
At this time the filter machine to continue at the same speed moved forward, and vacuum dish met contacts spacing device, vacuum switch valve action, filter plate to immediately release the vacuum, vacuum filter plate was delayed 0.5 seconds to return to cylinder quickly dragged back to the original location, so that the cycle of be vacuum suction filter process.
3.Washing, blot, discharging slag process
Filter the pulp with the vacuum suction filter, in order to better solution from the filter cake or recycling for out of it DuoCi against washing, will filter cake wash, the filter cake can small mother content to 0.1%.
After washing the filter cake sucked dry area blot, filter cake content and varies according to the material, the filter cake of washing, sucked dry by head round after radius of change and the song filter scraper will the dissection of the unloading.
4. The cloth wash regeneration
Filters is equipped with high pressure flushing device, since filters filter cake after stripping into cleaning link, to prepare for continuous operation of equipment.
Vacuum switch valve working principle
1.Function of vacuum switch valve:
Vacuum switch valve is PBF type consecutive vacuum belt type filter machine level one of important parts. Through the vacuum switch valve two-way switch, make continuous vacuum belt type filter machine level filtrate with control ruled out. Filters dragged to the vacuum filter plate with speed homonymous moved forward, with the pulp of filter under the action of forces in vacuum, vacuum filter plate until met trip contacts spacing device, and the gas control device reversing, this time the vacuum switch valve action program, turn off the vacuum channels open air channel vacuum dish to immediately release the vacuum and be returned back to the original starting location in drag cylinder, and at the same time limit contacts to signal, start switch valve recovery procedure action, turn off the air, open channel vacuum, vacuum system through, so go round and round switch procedures.
2.Working principle:
When compressed air cylinder head into the cylinder by the intake, the pistons downward motion, drive small seal seat to shut down and seal under vacuum orientation float, opened the atmosphere, completed the first switch program action, vacuum filter dish to return to the starting position, the trip contacts spacing device signal occurs, compressed air through the inlet into the cylinder, promote small pistons uplink, when compressed air forces greater than the vacuum suction, piston driven up small seal seat on vacuum, vacuum chamber and automatic vent connected tank, filtered. So go round and round, and a two-way switch.
PBF horizontal vacuum belt filter working principle
PBF horizontal vacuum belt filter Application examples
Pulp type |
Flocculant addRatio SS% |
containing Wet% |
Filterefficiency kg/m.h |
Pulp type |
Flocculant addRatio SS% |
containing Wet % |
Filterefficiency kg/m.h |
||||||
Industry sludge |
Pulp sludge |
0.2-0.3 |
62-68 |
150-300 |
City sludge |
Original sludge |
0.4-0.9 |
71-75 |
140-390 |
||||
Food industrial waste water |
0.6-1.0 |
75-80 |
60-120 |
Digested sludge |
0.2-2.7 |
65-75 |
140-390 |
||||||
Textile factory waste water |
0.7-1.1 |
60-65 |
120-300 |
Activated sludge
|
0.6-1.1 |
81-84 |
80-120 |
||||||
Coal waste water |
0.025-0.035 |
22-27 |
4000-5000 |
Metallurgy wastewater |
0.013-0.02 |
25-35 |
1000-2000 |
||||||
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Vacuum Belt Filter with good quality
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