A combustion system for a coal fired furnace having a windbox includes a source of a mixture of pulverized coal and air, and a splitter that receives the mixture and splits it into first and second mixed streams. A first nozzle receives the first mixed stream and discharges it into the furnace. A separator receives the second mixed stream and separates it into an air stream and a coal rich stream. An air conduit connected between the separator and the source of the mixture causes at least some of the air stream to be fed back into the mixture. A second nozzle receives the coal rich stream and discharges it into the furnace. A third nozzle receives support air from the windbox and discharges it into the furnace in a combustion supporting relationship with respect to the coal rich stream.

A control device for the coal pulverizing apparatus includes a first command value generation part for generating a command value of a first parameter including at least one of rotational speed of the table, pressing force of the roller to the table, or air supply amount in the air supply part, and a second command value generation part for generating a command value of a second parameter including a rotational speed of the rotary classifier. The first command value generation part is configured to determine the command value of the first parameter, based on a first preceding signal determined in accordance with at least load information of a combustion device which burns the pulverized coal from the coal pulverizing apparatus. The second command value generation part determines the command value of the second parameter, based on a second preceding signal determined in accordance with at least the load information.

A classifier for separating particles is provided. The classifier includes a rotor having a direction of rotation defined by a rotational axis of the rotor, and a plurality of blades disposed on the rotor around the rotational axis. At least one blade of the plurality has a swept orientation in the direction of rotation. The at least one blade is arranged to contact and direct the particles away from the classifier and thereby restrict the particles from concentrating in areas adjacent to the classifier.

The present disclosure discloses a garbage incineration device for garbage disposal, relating to the technical field of garbage disposal, in particular to a stirring device, a conveying device and a combustion device. The bottom portion of one side of the stirring device is fixedly mounted with a conveying device, and one of the tops of the conveying device The side is fixedly equipped with a combustion device, the stirring device comprises a mixer, and a storage box is fixedly installed in a middle portion of the top portion of the mixer, and a drainage pipe is fixedly mounted on one side of the bottom portion of the storage box, and a funnel is fixedly mounted on one side of the bottom portion of the mixer. The garbage incineration device for garbage disposal can make the garbage burn more fully when incinerated.

A variable orifice for a pulverized coal pipe of a pulverizer includes a pipe body connected to and installed on a pipeline of the pulverized coal pipe for supplying a pulverized coal from the pulverizer to a boiler and including a diameter expansion portion having a diameter expanded more than a diameter of the pulverized coal pipe; an opening and closing portion installed inside the diameter expansion portion of the pipe body; a rotation actuating portion configured to rotate the inner opening and closing plate and the outer opening and closing plate in mutually different directions; and an opening and closing plate protection member coupled to an inner circumferential surface of each of the inner opening and closing plate and the outer opening and closing plate.

The present disclosure discloses a garbage incineration device for garbage disposal, relating to the technical field of garbage disposal, in particular to a stirring device, a conveying device and a combustion device. The bottom portion of one side of the stirring device is fixedly mounted with a conveying device, and one of the tops of the conveying device The side is fixedly equipped with a combustion device, the stirring device comprises a mixer, and a storage box is fixedly installed in a middle portion of the top portion of the mixer, and a drainage pipe is fixedly mounted on one side of the bottom portion of the storage box, and a funnel is fixedly mounted on one side of the bottom portion of the mixer. The garbage incineration device for garbage disposal can make the garbage burn more fully when incinerated.

A variable orifice for a pulverized coal pipe of a pulverizer includes a pipe body connected to and installed on a pipeline of the pulverized coal pipe for supplying a pulverized coal from the pulverizer to a boiler and including a diameter expansion portion having a diameter expanded more than a diameter of the pulverized coal pipe; an opening and closing portion installed inside the diameter expansion portion of the pipe body; a rotation actuating portion configured to rotate the inner opening and closing plate and the outer opening and closing plate in mutually different directions; and an opening and closing plate protection member coupled to an inner circumferential surface of each of the inner opening and closing plate and the outer opening and closing plate.

This solid fuel burner is provided with: a venturi tube in which a channel for mixed fluid in a fuel nozzle narrows toward the center in the channel cross section; a fuel concentrator that imparts, to the mixed fluid, a velocity component away from the center of the fuel nozzle; and a channel separation member that separates the channel of the fuel nozzle into an internal side and an external side; wherein the channel separation member is shaped in such a way that the cross sectional area of an external channel is larger at the downstream end than at the upstream end, and the upstream end of the fuel concentrator is located between the upstream end and the downstream end of an expanded portion of the venturi tube. This solid fuel burner prevents solid fuel particles, which is ground biomass fuel, from adhering and depositing inside the nozzle.

A turret includes a generally frusto-conical shaped body and a plurality of static straightening vanes arranged interior to the body, the vanes dividing the body into a plurality of substantially equal sections. The vanes are configured to straighten a swirling flow of solid particles as they enter the body, and to divide the swirling flow into a plurality of straightened flows that are communicated to a plurality of coal outlet pipes.

A process for using Rice Husk residue as an alternative fuel to fossil fuels (such as Natural Gas and LPP oils 1 A . . . 9 A) in the combustion chamber of a stationary or rotary silicate kiln, where the waste is collected in dump trucks and unloaded into a proper silo; then passes through a dryer feeding silo where it is atomized in the kiln combustion chamber; a high-pressure, low-flow fan is then used to atomize it, along with all the necessary air, which can be used in oxy-combustion kilns; all the combustion gases are cooled by mixing with cold air and the incandescent gas from the kiln; and they are then collected and passed through a sleeve filter for proper filtration.