The dust collection equipment of the pulse bag filter at the tail of the sintering machine in the steel plant
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Detailed Product Description
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The tail end of the sintering machine is the core workstation with
the highest dust concentration and the largest air volume in the steel
plant. The pulse bag filter is the preferred dust removal equipment for
this scenario. Its core principle is "filtration and dust capture +
pulse cleaning + ash hopper unloading", and it operates under negative pressure
throughout the process. The dust removal efficiency is ≥99.99%, meeting the
ultra-low emission requirements of ≤10mg/m³ in steel plants. It is suitable
for the high-temperature (80-180℃), high-humidity and high-concentration
dust working conditions at the tail end of the sintering machine. The
following are the core principles step by step and the key points of the
exclusive design for steel plants. ✅ Core core: Four core processes of the pulse bag dust collector at the tail of the sintering machine (irreversible, none can be missing)
First step: Negative pressure dust collection → Dust-laden flue gas suction
equipment (core power) The high-concentration dust-laden flue gas (with a
dust concentration of up to 1000-3000mg/m³) generated from the cooling
and unloading of sintered ore at the tail end of the sintering machine
is forced into the intake chamber of the pulse bag filter through the closed
hood and gas collection pipeline at the tail end of the sintering
machine under the negative pressure suction force of the induced draft fan. ✅ Exclusive design for steel plant: Install a deflector plate and a coarse powder separator at the air inlet to first separate large sintering
dust particles larger than 50μm, preventing direct impact on the filter bag and
causing wear, and extending the service life of the filter bag (sintering dust
contains iron ore sand with high hardness, this step is a necessity). Step 2:
Filtration and dust capture → Dust is retained outside the filter bags, and clean flue
gas passes through the filter bags (the core dust removal process). After the
dusty flue gas enters the filter bag chamber of the dust collector, it passes
through multiple suspended dust removal filter bags (special filter bags
for sintering machine tail: PPS/PTFE coated filter material, resistant to high
temperature 180℃, acid and alkali, and anti-condensation), achieving gas-dust
separation ✅ ✅ dust: Due to the sieving, collision and adsorption effects of the filter bag, all the dust is retained on the outer surface of the filter
bag, forming a uniform "initial dust layer", which can instead improve the
subsequent filtration accuracy; ✅ ✅ clean flue gas: passes through the fiber gaps of the filter bag, enters the interior of the filter bag, gathers in the clean gas chamber, and
is finally discharged through the induced draft fan and chimney in compliance
with standards (emission concentration ≤5mg/m³, meeting the ultra-low
emission requirements of steel plants). ✅ Key points at the tail of the sintering machine: The filter bags are installed in an external filtration type (with dust on the outside), which is
suitable for high-concentration dust. Moreover, the spacing between the filter
bags is widened to prevent sintering dust from bridging and clogging. Technical Specifications
Compressed air pressure: 5-7 keg/cm² |
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| Product Tags: steel plant pulse bag filter industrial dust collection system for sintering sintering machine dust collection equipment |
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