Classification
Plate feeder (heavy-duty/bulk/high temperature)
The plate feeder is driven by steel plate chain plates, with extremely strong load-bearing capacity, designed specifically for ultra large, extremely heavy, high-temperature, and highly abrasive materials.
Spiral feeder (powder/viscous/sealed)
The spiral feeder (auger) pushes materials through the rotation of spiral blades, with good sealing and the ability to tilt and vertically transport.
Pressure resistant weighing tape coal feeder (NJGC/F55/SN-ICS series)
Working principle: Fully enclosed pressure resistant shell, continuous conveyor belt; Real time measurement with weighing sensor and speed sensor, frequency conversion PID adjustment of belt speed, achieving precise quantitative coal feeding (± 0.5% measurement accuracy).
Bridge/gantry impeller coal feeder
Working principle: Walking along the coal groove track, rotating the impeller to transfer coal from the slot coal groove to the belt; Variable frequency speed control for feeding quantity, capable of walking feeding/fixed-point feeding.
Single/Double axis Spiral Coal Feeder (GX/LXC Series)
Working principle: The motor drives the spiral shaft to rotate, and the spiral blades push coal powder/fine coal; Fully sealed, speed regulated flow rate.
K-type reciprocating coal feeder
Working principle: The crank connecting rod mechanism drives the inclined bottom plate (about 5 °) to reciprocate, pushing the raw coal out of the bin bottom; Adjust the stroke/frequency control.
HP/ZGM/MPS bowl/medium speed roller disc coal mill
Working principle: The motor drives the grinding bowl/disc to rotate through the reducer; The raw coal falls into the central coal chute, moves towards the edge under centrifugal force, and is crushed by the grinding roller; Simultaneous entry of hot air for drying and conveying coal powder; The upper separator separates coarse powder and returns it for regrinding, while fine powder is sent to the boiler with hot air.
Tube type steel ball coal mill
Working principle: The horizontal cylinder rotates, and the steel ball inside the cylinder is lifted and falls, hitting and grinding the coal block; Hot air enters the drying process simultaneously, and the air sweep type carries out qualified coal powder, while the coarse powder is returned for regrinding.
LM vertical coal mill (roller type vertical mill)
Working principle: Material bed grinding: The material falls onto a horizontal grinding disc, and the grinding roller is pressed under hydraulic pressure; Hot air enters from the circumferential seam, drying and grading; The dynamic separator selects powder, and the fine powder flows out with the gas and grinds.
Working principle: High speed impeller (500-1500 r/min) for impact and grinding, while strong ventilation, drying, and conveying, suitable for high moisture brown coal.
Coal conveyor belt (also known as coal conveyor belt) is the core backbone equipment of coal transportation systems in industries such as thermal power generation, coal mining, coal chemical industry, metallurgy, etc. It uses flame-retardant conveyor belts as traction and load-bearing components to achieve continuous, long-distance, high-volume, and low-energy transportation of bulk materials such as raw coal and gangue. It is the "industrial artery" in the coal supply chain.
Coal crusher is a core specialized equipment in coal transportation systems of thermal power plants, coal chemical industry, coal mines, metallurgy and other industries, responsible for the crushing and pretreatment of raw coal. It is known as the particle size control center of coal transportation systems. Its core function is to crush raw coal (conventional feed particle size ≤ 300mm, heavy-duty models can adapt ≤ 800mm) to the qualified particle size required by downstream coal mills and boilers (mainstream thermal power requires discharge particle size ≤ 20mm, circulating fluidized bed boilers require ≤ 10mm, particle size qualification rate ≥ 95%), while cooperating with the pre iron removal device to intercept and discharge hard impurities such as iron blocks and gangue in the raw coal, protecting downstream precision equipment such as coal feeders and mills from impact damage from the source. It is a key equipment to ensure stable coal supply system and efficient combustion of boilers.
Magnetic lining plate is an efficient wear-resistant lining for ball mills and semi autogenous mills, made of high-strength wear-resistant shell and permanent magnet composite. It relies on strong magnetic force to adsorb crushed steel balls, iron powder, and magnetic minerals, automatically forming a dynamic protective layer of 20-30mm on the surface. The medium grinds the protective layer without grinding the lining plate, achieving almost zero wear operation.
Core positioning: The mainstream wear-resistant lining for equipment such as ball mills, crushers, and coal mills, which combines high hardness and toughness, is more wear-resistant and has a longer service life than high manganese steel.
Core positioning: Special lining for wet grinding, fine grinding, and light impact working conditions of ball mills, quiet, lightweight, corrosion-resistant, and more protective of the cylinder body than alloy lining plates, making it easier to use.
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