On the coal conveyor line, the smoke and dust in the coal unloading ditch and the dust in the transfer
station are overturned Diffuse, the coal crusher room is covered in white ash These scenarios were once
the norm for many coal-fired enterprises. Coal dust not only threatens health and poses a risk of explosion,
but also crosses the red line of environmental protection. How to subdue this' coal dust dragon '? The key
is to identify the source and strike accurately!
Coal dust ravages, revealing the three major culprits
1. Dry raw coal is an accomplice
When the surface moisture content is below 7%, fine particles in the raw coal are prone to break free from
their constraints during transportation and fall, flying in the air.
2. The "induced wind" fuels the situation
At transfer points or coal crusher rooms with large drops, high-speed coal flow carries air to form a strong
airflow, which accumulates high pressure in the narrow guide chute, forcing dust to gush out from the gaps.
3. Seal the loopholes and open the "convenient door"
Belt deviation and equipment shaking cause the sealing failure of the guide groove, and the positive pressure
airflow induced by coal flow carries dust particles to escape through the gap.
Core contradiction:
Insufficient equipment sealing and local positive pressure caused by induced wind are the "culprits" of
coal dust diffusion
Segmented dust control, precise attack with combination punches
1. Coal unloading process (train/car)
Pain point: Outdoor work, sudden explosion of coal dust caused by drop impact.
Countermeasures: dual fluid spray dust suppression system
Fine atomization technology instantly captures and condenses dust particles.
Pipeline insulation is required in cold regions, although the investment is relatively high, it exposes:
A reliable choice for suppressing dust in the sky.
Transfer station👆 Coal unloader👆
2. Transfer station/screening and crushing station
Pain points: large drop, multiple devices, high risk of dust overflow.
Option 1:
Bag filter+spray dust suppression (classic and efficient)
Head spray: the source suppresses the rise of dust,
Negative pressure suction at the tail of the machine: The bag filter strongly extracts and disperses dust.
Spray at the outlet of guide chute: strengthen the dust suppression defense line for the second time.
Advantage: Significant effect, meeting strict standards.
Consideration: Large land occupation, high investment and maintenance costs.
Option 2:
Micro power dust removal+spray dust suppression (innovative and practical)
Advantages: Especially suitable for coal drying power plants, small footprint, and system
Simple and easy to maintain, with excellent comprehensive efficiency.
Coal bunker dust collector👆 Coal crushing room👆
3. Coal bunker room (coal plow discharge port)
Pain point: The disturbance of airflow in the coal hopper creates positive pressure, causing dust to surge upwards.
Sharp tool: micro power bag filter+spray dust suppression
A small and efficient bag filter is installed next to the discharge port to extract upward dust in real-time.
Cooperate with spray dust suppression to significantly reduce the dust concentration between coal bunkers.
The three core principles of efficient dust removal
Source sealing is the foundation
Strictly block the gaps in key parts such as the guide chute and cut off the "physical escape channel" of dust
Pressure control is key
By optimizing the structure (such as designing pressure relief channels) and utilizing micro negative pressure
technology, the local positive pressure caused by induced winds can be disrupted.
Technological synergy demonstrates its power
Spray dust suppression, bag/micro power capture, structural sealing and pressure relief multi technology joint
operations can achieve accurate dust control in the whole process.
Nowadays, innovative solutions such as "Micro Power+" are relying on high efficiency
The advantages of compactness and easy maintenance have become the backbone of coal transportation dust removal
Quantity. Starting from precise control of every coal dust particle, coal transportation
Moving towards a cleaner, safer, and more efficient future!
