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External Electric Heating Activated Carbon Regeneration Furnace
Equipment description:
The electric rotary furnace is composed of drum, transmission and support mechanism, charging mechanism, charging end cover, discharging end cover, dynamic and static seal, electric heating furnace, measurement and control system, safety measures and other partss.
1.Drum
The roller is made of heat-resistant stainless steel 310S material, which can resist the corrosion of general acid, alkali and salt, and the rated temperature is 1000ºC. Drum size φ800*10500. The inner wall of the cylinder at the feeding end is installed with a inclined spiral guide plate, and the guide plate is connected with a straight turning plate. With the rotation of the drum, the upper and lower materials can be alternately heated and the temperature is uniform.
After the material is added from the feeding end, it moves to the discharging end with the rotation of the drum, and is heated, constant temperature and cooled until the discharging. The residence time of the material is adjusted by the rotating speed of the roller, and the waste gas generated during the roasting process flows countercurrent to the feeding end, and leads out from the exhaust gas port on the upper part of the feeding end cover, and the steel smoke is naturally emptied.
The instrument, power regulator, frequency converter and low-voltage electrical of the above measurement and control system are installed in a control cabinet, and the control cabinet is arranged near the rotary furnace. The thermocouple compensation wire is made of metal shielding wire.
9.Safety precautions
In order to ensure the safe operation of the equipment, the following safety measures are taken:
A) PID intelligent instrument has the function of overtemperature alarm. Once the outside temperature of the drum exceeds the set safe temperature, the system will stop heating and send an alarm signal.
B) Electric heating furnace and control cabinet shell should be reliably grounded.
C) Operate in strict accordance with the equipment operating procedures to ensure that the equipment does not exceed temperature, do not lack of oil and do not leak during operation
Activated carbon regeneration is the reactivation of adsorbed activated carbon after being treated under certain conditions. Activated carbon adsorption is a physical process,after the activated carbon is adsorbed and saturated, high-temperature steam can be used to desorb the impurities in the used activated carbon and restore it to its original activity for the purpose of reuse, which owns obviously economic benefits. Activated carbon regeneration is widely used in high value-added industrial production, such as activated carbon in the gold cyanide leaching process, activated carbon in the decolorization process of sugar mills, etc.
The activated carbon thermal regeneration method is divided into three stages: drying, high-temperature pyrolysis and activation. In the drying stage, the volatile components on the activated carbon are mainly removed; in the high-temperature pyrolysis stage, part of the organic matter adsorbed on the activated carbon boils, vaporizes and desorbs, and part of the organic matter undergoes a decomposition reaction to generate small molecular hydrocarbons and desorb out, leaving the remaining components in the pores of the activated carbon; during the activation stage, the temperature will reach 700~800 ºC. Scientific practice has proved that high-temperature steam is the best activation medium, which can not only clean the micropores of activated carbon, new porous structure is etched on the surface of the activated carbon too, making the activated carbon to restore its adsorption performance.
Electrical activated carbon regeneration kiln should have a reasonable structure, and its design and manufacturing comply with the corresponding national and industry standards and specifications. It is convenient and simple to use, operate and maintain.
Both furnace and auxiliary components are at the internationally advanced level and can meet production needs stably, safely and reliably.
| 1.Carbon feeding system | |
| Feeding hopper | 304 Stainless steel |
| Feeding device | Stainless steel auger feeding Electric speed adjustable motor drive |
| Feeding motor | 1.5kw |
| Carbon feed water content | <20% |
| 2.Rotary kiln heating system | |
| Heating elements | Silicon carbide heating element |
| Working temperature | Continuously work temperature 950 ºC Max. heating temperature 1000ºC |
| Heating zone | 4 independent heating zone for uniform working temperature |
| Insulation material | Ceramic fiber thermal insulation |
| Furnace shell | Heating elements side wall placing Easy maintenance and replacement |
| Rated heating power | Max. 350Kw |
| Temperature sensor | K type armed therm-couple |
| 3.Furnace retort tube system | |
| Tube material | Nickle Alloy Stainless steel tube |
| Tube size | 800mm diameter Overall 10 meters length |
| Working temperature | Max.working temperature 1000ºC |
| Rotate drive method | Speed adjustable motor drive with chains |
| Rotate drive motor | 4kw |
| Rotate speed | 1-5 rpm |
| 4.Carbon discharging system | |
| Kiln tail shield | 304 Stainless steel |
| Sealing method | Dynamic sealing with slight positive pressure |
| Discharge port | Flange type discharge |
| Exhausting port | Flange type stack |
| 5.Thermal and electric control system | |
| Thermal control | PID heating control |
| Auger feeding control | Speed adjustable Nob controller |
We provide professional customized services to meet different capacity needs!
40 Feet Container
| Total Number of Staffs | 585 | ||
| Total Number of Managers | 40 | ||
| Total Number of Technical Staffs | 160 | ||
| Total Number of QC Staffs | 15 | ||
| Total Number of workers | 310 | ||
| Total Number of other staffs | 60 | ||
| Contact person | Mr .Su | Position | President |
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