Activated carbon machine

  Product Brief Introduction

     According to the production method, activated carbon can be divided into physical water vapor method and chemical production method. Since the chemical method to produce activated carbon has a complicated process and high cost, and it has not been widely used, the raw materials for activated carbon production must be fully batched in the storage room, and then the raw materials pass through the conveyor It is transported to the rotary kiln for calcination (two-stage kiln) and carbonization, and then is activated by the activation system. The activated activated carbon is crushed by the crushing system. The crushed activated carbon is screened by the screening equipment and packaged according to different particle sizes; if To make powdered activated carbon, it must undergo a grinding process after crushing, and then be packaged and quality inspected.

翻译结果

翻译结果According to the production method, activated carbon can be divided into physical water vapor method and chemical production method. Since the process of producing activated carbon by chemical method is complicated and costly, and it has not been widely used, we Qingshan Information Technology will focus on the process of producing activated carbon by physical water vapor method. and

  Process

 Carbonized part

The carbonization part mainly consists of silos, conveyors, feeders, rotary carbonization furnaces, exhaust gas purification and recovery systems, burners, discharging cooling conveyors, 

control cabinets, fans and other devices.

Material flow: The wood or fruit shells are lifted by the conveyor into the charging chamber of the carbonization furnace, and are sent into the carbonization furnace drum with the help 

of the feeder. They are brought to the copying board along the spiral motion in the drum, and the carbonization needs are transferred by the cylinder. After the first half of the preheating

 and drying stage, it enters the carbonization stage of 350-550°C. In this process, the carbon particles are carbonized by contact with heat, and the moisture and volatile matter are discharged, 

and finally they are discharged through the discharge port.

Gas flow: After the volatile gas generated by the carbonization furnace is burned in the combustion chamber, the wall of the rotating drum is heated, and the heat-exchanged flue gas is

 discharged from the chimney.

activation part

The activation part mainly consists of silo, activation furnace, steam pipeline, waste heat boiler, rotating device, temperature measuring device, cooling device, settling chamber, dust collector

 and fan.

Material flow: Screen out the fine powder below 2mm of the carbonized material. The moisture content is required to be less than 15%. At this time, the material is sent to the elevator and 

added to the feed bin of the activation part. The material is evenly sent into the activation furnace. The waste heat temperature in the furnace needs to reach above 800℃ before feeding 

materials. At this time, an appropriate amount of oxygen needs to be sent into the furnace through a fan, and then the steam is turned on and an appropriate amount of steam is sent into 

the furnace to activate the materials. At this time, Steam needs to penetrate the activated carbon, and each ton of finished activated carbon needs to be fed into the furnace with 2 tons of

 steam. The steam at this time cannot be used as diffusion steam, otherwise the carbon will burn out at a high rate, and the efficiency and quality will not be high. The material gradually enters 

the carbonization preheating zone as the furnace rotates. When the temperature of the material reaches about 800°C, it enters the material activation zone. At this time, the temperature of the 

material rises rapidly after contact and reaction with water vapor, about 900-1050°C. At this time, the time the material is in contact with water vapor is called activation time. Depending on

 the temperature and oxygen supply, the activation time will be different, about 25-40 minutes, that is, the material rotates with the furnace at a speed of 6 meters per hour. The body moves 

forward. When the material enters the cooling section, it enters the discharge pipe of the furnace body. The temperature at this time is about 500-600°C. When it gradually cools down to 200°C

 through the discharge pipe, the material will automatically slide to another water cooling machine outside the furnace. , after about 3 minutes of anaerobic cooling time, the activated material 

has reached normal temperature, about 30-40°C.

Gas flow: The furnace end is equipped with a settling chamber. This settling chamber plays four roles. One is to preheat the waste heat boiler in advance. The other is to settle the dust. 

The third is to stop the steam after the furnace is shut down to prevent the pipes from freezing in cold areas. The fourth is to prevent combustion. Clean flue gas burns again, reducing black

 rock and making full use of the heat the flue gas turns into. A steam waste heat boiler is equipped behind the settling chamber, which uses high-temperature exhaust gas (about 800°C) 

to generate steam for activating materials. An induced draft fan is equipped behind the boiler to pump the high-temperature exhaust gas in the boiler to the waste heat boiler, and the

 exhaust gas is sent to the bag pulse dust collector for discharge up to standard.

  Product Parameter