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Coal water slurry cone grinding
The coal-water slurry cone grinding machine is a high-tech multi-functional pulverizing grinding equipment, which is mainly suitable for the grinding and grinding of coal particles. Coal water slurry is a new type of clean fuel, which is mainly composed of coal (about 70%). ), with water and chemical additives as auxiliary materials (about 30%). It is ground, refined and fully mixed with water by special equipment, and forms a slurry fuel with certain fluidity and stability under the action of chemical additives. The coal water slurry has the characteristics of high concentration, good flow performance and long-term storage and no precipitation. It can replace the fuel burning in boilers, industrial furnaces and power station boilers. Under the action of the high-speed centrifugal force of the rotor, the large particles in the fluid are cut into the sipe and sheared, pulverized and mixed with the teeth of the stator, and then the fluid is pressed into the fox-shaped grinding zone, because the gap of the fox-shaped grinding zone becomes smaller. The pitch is shortened, the number of teeth is doubled, and the shear rate is continuously increased. The particles in the fluid are continuously refined after high-speed shearing and grinding, and then enter the fine grinding zone. As the grinding teeth of the fine grinding zone increase, the gap becomes more and more Narrow, the line speed is getting longer and longer, and the grinding effect is best when the stator gap is adjusted to a minimum of 0.05mm.
|Model||Processing capacity m³/h||Motor Power kw||Rotating speed r/min||Import and export size mm|
(1) It has strong pulverization, mixing, shearing, grinding, homogenizing and conveying functions.
(2) Harder types of friable particles can be used.
(3) The time required for the cyclic grinding can be adjusted by adjusting the grinding gap.
(4) The gap can be adjusted, and the adjustment distance of 0.01 to 3 mm can reduce the starting load, thereby reducing energy consumption.
(5) The material of the rotating grinding machine can be nitrided or tungsten carbide treated with 2Cr13 9Cr18 2205.
The coal water slurry cone type grinding machine can mainly perform the first pulverization and mixing of the material with solid particles in the form of spiral suction pulverization, etc., and the large particles in the fluid enter the second coarse crushing zone and enter with the thick toothed knives. In the high-speed pulverization area, under the action of the high-speed centrifugal force of the rotor, the large particles in the fluid are cut out, pulverized and mixed with the teeth of the stator, and then the fluid is pressed into the fox-shaped grinding zone, due to the fox-shaped grinding zone. The gap becomes smaller, the pitch becomes shorter, the number of teeth doubles, and the shear rate increases continuously. The particles in the fluid are refined after high-speed shear pulverization and then enter the fine grinding zone. Since the grinding teeth of the fine grinding zone are continuously increased, The gap is getting narrower and narrower, the line speed is getting longer and longer, and the grinding effect is best when the stator gap is adjusted to a minimum of 0.05 mm.
Accessories: Equipment selection parameters and technical requirements (downloadable)
|First, the technical parameters of your company's materials:|
|Material medium||Processing capacity(m³/h)|
|Liquid category||□Water-based, □Oily, □Solvent||Solid category||□Agglomerate, □Crystals, □Primary particle|
|Liquid to solid ratio(%)||Viscosity Pa.s||Material flow||□Very good (water), □可以， □difference, □Very poor|
|Feed contains||Large particles mm,Take up %||Medium particle mm,Take up %||Small particles mm,Take up %|
|Solid particles||(□fragile, □Not fragile, □Viscous)||Discharge granule μm||Head m||temperature ℃|
|Second, your company's requirements for equipment:|
|1. Material contact part material||□stainless steel 304， □stainless steel 316L， □Duplex steel 2205， □TA2， □HastelloyC276|
|2, rotating stator material||□stainless steel 304， □stainless steel 316L， □Duplex steel 2205， □TA2， □Hastelloy C276，|
|□Wear-resistant steel NM500， □Wear-resistant steel 38CrMoAl， □Tungsten carbide treatment, □Emery treatment|
|3, sealed||□Ordinary single-sided mechanical seal, □Ordinary double-sided mechanical seal, □Custom double-sided mechanical seal|
|O-ring configuration||□Ding O-ring, □Fluoro rubber O-ring, □Fluorine-containing O-ring, □Perfluoroether O-ring|
|Material contact surface||□Tungsten carbide-silicon carbide, □Tungsten carbide-tungsten carbide, □Silicon carbide-silicon carbide|
|4, the motor||□Ordinary motor, □Inverter motor, □Ordinary explosion-proof motor, □Explosion-proof inverter motor, □Dust explosion-proof motor|
|□Class 2 energy efficient motor, □Marine motor, □Waterproof motor||□Self-contained control box||□With control box|
|Third, the corresponding device model:|
|Full name of the equipment||Model||Processing capacitym³/h)||Motor Power(kw)||Amount||Remarks|
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