CN216844648U

CN216844648U - Biomass wood chip combustor

Info

Publication number: CN216844648U
Application number: CN202123388466.8U
Authority: CN
Inventors: 梁伟强
Original assignee: Baise Qiangsheng Chemical Co ltd
Current assignee: Baise Qiangsheng Chemical Co ltd
Priority date: 2021-12-31
Filing date: 2021-12-31
Publication date: 2022-06-28
Anticipated expiration: 2031-12-31

Abstract

The utility model discloses a biomass wood chip combustor, including blanking hopper, gyration unloading ware, screw conveyer, combustion chamber, bottom fan and bellows, blanking hopper lower extreme connection gyration unloading ware, gyration unloading ware lower extreme connection screw conveyer, screw conveyer's discharge end passes through the discharging pipe and connects in the combustion chamber, and the output of bottom fan connects bellows, and the bellows output passes through the pipe connection in the combustion chamber bottom, be provided with the oxygen supply pipe on the bottom inside wall of combustion chamber, the oxygen supply pipe is coiled into the round along the inside wall of combustion chamber in the transverse direction, and the pipe connection of oxygen supply pipe and bellows output is seted up towards the air vent in the combustion chamber on the oxygen supply pipe; the junction of discharging pipe and combustion chamber is equipped with the shrouding that is used for preventing the cross fire, and the upper end of shrouding rotates to be connected on the lateral wall of discharging pipe, and the lower extreme of shrouding is gapped with another relative lateral wall of discharging pipe. The utility model discloses the burning is abundant, and the combustion effect is good, and heat utilization is better.

Description

Biomass wood chip combustor

Technical Field

The utility model relates to a biomass burning machine especially relates to a living beings wood chip combustor.

Background

The wood chip combustor is a combustion device for combusting biomass wood chips, wood blocks, wood chips, briquettes and other fuels, adopts semi-gasification combustion, is convenient to obtain wood chip fuel and utilizes wastes. The fuel cost of using the wood chip combustor to combust wood chips is saved by 75 percent compared with electricity, 70 percent compared with fuel oil, 60 percent compared with natural gas and about 50 percent compared with liquefied gas, can be matched with equipment such as a gas boiler, a roller drying line, a hot blast stove, a kiln, a smelting furnace, an annealing furnace, an incinerator, an aluminum bar heating furnace and the like, can be used for reforming a coal-fired boiler, and ensures that the smoke emission of the coal-fired boiler reaches the standard. However, the biomass combustion of the existing wood chip combustor is not sufficient, the combustion effect is poor, and the utilization rate of heat energy needs to be improved.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a burning is abundant, and the combustion effect is good, the better living beings wood chip combustor of heat utilization.

In order to solve the technical problem, the utility model discloses a following technical scheme:

a biomass wood chip combustor comprises a blanking hopper, a rotary blanking device, a spiral conveyor, a combustion chamber, a bottom fan and an air box, wherein the lower end of the blanking hopper is connected with the rotary blanking device, the lower end of the rotary blanking device is connected with the spiral conveyor, the discharge end of the spiral conveyor is connected with the combustion chamber through a discharge pipe, the output end of the bottom fan is connected with the air box, the output end of the air box is connected with the bottom of the combustion chamber through a pipeline, an oxygen supply pipe is arranged on the inner side wall of the bottom of the combustion chamber and is wound into a circle along the inner side wall of the combustion chamber in the transverse direction, the oxygen supply pipe is connected with the pipeline of the output end of the air box, and an air hole facing the combustion chamber is formed in the oxygen supply pipe; the junction of discharging pipe and combustion chamber is equipped with the shrouding that is used for preventing the cross fire, and the upper end of shrouding rotates to be connected on the lateral wall of discharging pipe, and the lower extreme of shrouding is gapped with another relative lateral wall of discharging pipe.

As the optimization of this technical scheme, set up the recess on the inside wall of combustion chamber, oxygen supply pipe inlays in the recess.

As the optimization of the technical scheme, the heat preservation plates are arranged outside the combustion chamber, the discharge pipe and the shell of the screw conveyer, a heat preservation cavity is formed between the heat preservation plates and the shell, and the heat preservation cavities are communicated with one another.

Preferably, the outer wall of the heat-preserving plate is provided with a heat-preserving layer.

Compared with the prior art, the utility model discloses compare with prior art, the utility model discloses the combustor burning is abundant, and the combustion effect is good, and heat energy obtains fine utilization, further promotes energy-conserving effect.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Reference numerals: 1-feeding hopper, 2-rotary feeder, 3-screw conveyor, 4-discharging pipe, 5-combustion chamber, 6-bottom fan, 7-wind box, 8-pipeline, 9-oxygen supply pipe, 9.1-vent hole, 10-groove, 11-sealing plate, 12-fire outlet pipe and 13-heat insulation plate.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and the detailed description.

As shown in figure 1, the biomass wood chip combustion machine provided by the utility model comprises a blanking hopper 1, a rotary blanking device 2 and a screw conveyor 3, the device comprises a combustion chamber 5, a bottom fan 6 and an air box 7, wherein the lower end of a blanking hopper 1 is connected with a rotary blanking device 2, the lower end of the rotary blanking device 2 is connected with a spiral conveyer 3, the spiral conveyer 3 is obliquely arranged, the discharge end of the spiral conveyer 3 is connected with the combustion chamber 5 through a discharge pipe 4, a fire outlet pipe 12 is arranged on the side wall of the combustion chamber 5, the output end of the bottom fan 6 is connected with the air box 7, the output end of the air box 7 is connected with the bottom of the combustion chamber 5 through a pipeline 8, an oxygen supply pipe 9 is arranged on the inner side wall of the bottom of the combustion chamber 5, the oxygen supply pipe 9 is wound into a circle along the inner side wall of the combustion chamber 5 in the transverse direction, the oxygen supply pipe 9 is connected with the pipeline 8 at the output end of the air box 7, and an air vent 9.1 facing the combustion chamber 5 is formed in the oxygen supply pipe 9; discharging pipe 4 and combustion chamber 5's junction is equipped with shrouding 11 that is used for preventing the cross fire, shrouding 11's upper end is rotated and is connected on the lateral wall of discharging pipe 4, it is gapped with another relative lateral wall of discharging pipe 4 to shrouding 11's lower extreme, discharging pipe 4 runs through the lateral wall of combustion chamber 5 promptly, 11 upper ends of shrouding pass through the axis of rotation and connect on the lateral wall of discharging pipe 4, shrouding 11 lower extreme extends towards another relative lateral wall of discharging pipe 4, and it is gapped with this lateral wall, shrouding 11 lower extreme does not interfere with other parts, can freely swing.

The utility model discloses when concrete implementation, set up recess 10 on the inside wall of 5 bottoms in the combustion chamber, oxygen supply pipe 9 inlays in recess 10, the pipeline 8 of oxygen supply pipe 9 one end and bellows 7 output is connected, the other end is around the inner wall round of combustion chamber 5 along recess 10, after recess 10 is inlayed to oxygen supply pipe 9, the inside wall parallel and level of oxygen supply pipe 9 outer wall and combustion chamber 5, oxygen supply pipe 9 can set up the multiunit on 5 transverse plane of combustion chamber, the multiunit oxygen supply pipe 9 is parallel to each other, every group oxygen supply pipe 9 is all connected with the pipeline 8 of 7 outputs of bellows, set up control valve on the pipeline 8 of 7 outputs of bellows.

The utility model discloses a combustion chamber 5, discharging pipe 4 and screw conveyer 3's casing outside all is provided with heat preservation board 13, form the heat preservation chamber between heat preservation board 13 and the casing, communicate each other between the heat preservation chamber, the heat preservation chamber of combustion chamber 5 promptly, the heat preservation chamber of discharging pipe 4 and screw conveyer 3's heat preservation chamber communicate each other, set up the heat preservation on the heat preservation board 13 outer wall, can be with in the heat energy transfer to the material on screw conveyer 3 and the discharging pipe 4 that combustion chamber 5 produced, heat it, can reduce scattering and disappearing of heat energy, reduce the material and burn required energy consumption.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention.

Claims

1. The utility model provides a living beings wood chip combustor, is including hopper, gyration glassware, screw conveyer, combustion chamber, bottom fan and bellows down, and the glassware is connected to hopper lower extreme down under the gyration, and the screw conveyer is connected to glassware lower extreme under the gyration, and screw conveyer's discharge end passes through the discharging pipe to be connected in the combustion chamber, and bellows are connected to the output of bottom fan, and the bellows output passes through the pipe connection in the combustion chamber bottom, its characterized in that: an oxygen supply pipe is arranged on the inner side wall of the bottom of the combustion chamber, the oxygen supply pipe is wound into a circle along the inner side wall of the combustion chamber in the transverse direction, the oxygen supply pipe is connected with a pipeline at the output end of the air box, and an air hole facing the inside of the combustion chamber is formed in the oxygen supply pipe; the junction of discharging pipe and combustion chamber is equipped with the shrouding that is used for preventing the cross fire, and the upper end of shrouding rotates to be connected on the lateral wall of discharging pipe, and the lower extreme of shrouding is gapped with another relative lateral wall of discharging pipe.

2. The biomass wood chip combustor as recited in claim 1, wherein: the inner side wall of the combustion chamber is provided with a groove, and the oxygen supply pipe is embedded in the groove.

3. The biomass wood chip combustor as recited in claim 1, wherein: the casing outside of combustion chamber, discharging pipe and screw conveyer all be provided with the heat preservation board, form the heat preservation chamber between heat preservation board and the casing, communicate each other between the heat preservation chamber.

4. The biomass wood chip combustor of claim 3, wherein: and the outer wall of the heat-preserving plate is provided with a heat-preserving layer.