A, the equipment use:
It is mainly used for ZnO calcination process.
Second, the process description:
ZnO by preheating, constant temperature, cooling, such as high temperature heat treatment, processing time is about 5 ~ 6 hours.
3, equipment, main technical parameters:
3.1. The furnace tube size: 600 * 12500 * 10 mm (D * L * H) material: SUS321.
3.2. Furnace size: 10500 * 1500 * 1500 mm (D * L * H).
3.3. The installed power: 150 kw.
3.4. Working temperature: 700 ℃.
3.5. Temperature zone number: five zones.
3.6. Heating mode: the high temperature alloy resistance wire, easy to change, prepare 5 spare parts.
3.7. The feeding way: spiral feeding, set the adjustable plate, hopper for the cone type.
3.8. The temperature control mode: three-phase solid state relay (SSR) zero passage trigger control.
3.9. The working speed: 0 ~ 6 continuous adjustable.
3.10. The furnace tube lifting height: 0 ~ 3 ° continuously adjustable.
Four, equipment composition and the structure:
Equipment is mainly composed of furnace body, drive system, water spray, feeding part, export spiral feeding devices, etc.
4.1. The furnace tube in horizontal (along with the furnace adjustable Angle), continuous support roll wheel, requirements can be used under the condition of high temperature.
4.2. The electromagnetic speed motor drive, mechanical reducer reducer, chain wheel drive, realize the drum roll.
4.3. Use seal screw feeding, in order to prevent material on wall, a periodic vibration, in order to make the material is heated evenly, cylinder with copy plate (arc).
4.4. In order to avoid excessive convection, the energy consumption before and after a hermetic seal (graphite seal), in order to overcome the high temperature expansion, the automatic compensation device, furnace imported waste gas discharge outlet.
4.5. The resistance wire heating level, within the resistance wire with ceramic tube support, in order to improve the service life of heating element, surface load around 1 w/cm2.
4.6. Using rho = 1.2 high quality light aluminum as a furnace, respectively choose aluminum silicate fiber, no asbestos calcium silicon plate, rock wool insulation, such as for ease of maintenance, roof tile ceiling structure for fiber.
4.7. The temperature interval arrangement with shade brick.
4.8. Temperature preheating zone layout have adjustable inlet pipe oxidizing atmosphere, cooling area is equipped with the reducing atmosphere inlet air passages.
4.9. Exports a bunker and spiral ascending feeding device, speed adjustable, within the cavity is made of stainless steel, pjrevent from pollution.
Using silicone coating processing 4.10 cylinder (spray coating can be provided by the buyer).
4.11. On both sides of the furnace body is equipped with hangs Taiwan with plastic-sprayed surface.
Exterior largest size 4.12. Equipment (reference) : 19500 * 1600 * 1600 mm (D * L * H), including reference size for each part: work station 1 meter outside the feeding part 0.8 meters, the front end cover 0.3 meters, low temperature preheating furnace tube 0.5 meters, 12.5 meters furnace tube, cooling set of 1 meter, after the end cover is 0.3 meters, 0.5 meters pneumatic control.
4.13. Product promotion department of outlet temperature of 200 ℃ or less (yield calculated according to 150 ~ 200 kg/h