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Brief description of the working principle of four incinerators
Hits: 1720 times Added: 2018-1-26 [ Print ] [ Return ] [ Favorite ]
1.Rotary incinerator

working principle:

Rotary incinerators are arranged along the furnace body with cooling water pipes or refractory materials. The furnace body is placed horizontally and slightly inclined. Through the non-stop operation of the furnace body, the garbage in the furnace body is fully burned, and at the same time, it is moved to the direction in which the furnace body is inclined until it is burned out and discharged from the furnace body.

2.Pulse throwing grate incinerator

working principle:

The garbage is sent to the drying bed of the incinerator by the automatic feeding unit to be dried, and then sent to the first-stage grate. The grate is volatilized and cracked at high temperature. The grate is thrown by the impulse aerodynamic device to remove the garbage The stage is thrown into the next grate, at which time the polymer material is cracked and other materials are burned. This continues until it is finally burned into the ash slag pit and discharged by the automatic slag removal device. Combustion-supporting air is sprayed from the air holes on the grate and mixed with the garbage for combustion, while the garbage is suspended in the air. The volatilized and cracked material enters the second-stage combustion chamber for further cracking and combustion. Unburned flue gas enters the third-stage combustion chamber for complete combustion. The high-temperature flue gas passes through the heating surface of the boiler to heat the steam. Discharge after cooling.

3.Mechanical grate incinerator

working principle:

The garbage enters the inclined grate through the feeding hopper (the grate is divided into a drying zone, a burning zone, and a burn-out zone). Due to the staggered movement between the grate, the garbage is pushed downward, so that the garbage passes through the grate in turn. Each area (when the garbage enters from one area to another, it plays a role of turning over) until it is exhausted and discharged from the furnace. Combustion air enters from the lower part of the grate and is mixed with garbage; high-temperature flue gas generates hot steam through the heating surface of the boiler, and the flue gas is also cooled, and finally the flue gas is discharged after being processed by the flue gas processing device.


4.Fluidized bed incinerator

working principle:
The furnace body is composed of a porous distribution plate. A large amount of quartz sand is added in the furnace, the quartz sand is heated to above 600 C, and hot air above 200 C is blown into the bottom of the furnace, so that the hot sand is boiled, and then thrown into garbage. The garbage boils with the hot sand, and the garbage is quickly dried, caught on fire, and burned. The proportion of unburned garbage is lighter, and it continues to boil and burn. The proportion of burned garbage is large, and it falls to the bottom of the furnace. After water cooling, the coarse slag and fine slag are sent to the outside of the plant by using sorting equipment. The quartz sand is returned to the furnace through the lifting equipment for continued use.