CN-224215329-U - Low nitrogen emission's premix formula combustor structure

Abstract

The utility model belongs to the technical field of combustors, and particularly relates to a premix type combustor structure with low nitrogen emission. The wind adjusting mechanism comprises a wind adjusting driving assembly and a wind adjusting assembly. The combustion mechanism includes an ignition assembly and a combustion assembly. The premixing mechanism comprises a combustion chamber, a flue gas mixing disc and a mixing disc fixing tube. According to the premixing burner structure with low nitrogen emission, through the design of the premixing mechanism, fuel gas, air and part of smoke can be fully mixed before combustion, combustion sufficiency is guaranteed, a combustion chamber, a smoke mixing disc and a mixing disc fixing tube in the premixing mechanism are mutually matched, so that the smoke can participate in mixing, combustion temperature is effectively reduced, generation of thermal nitrogen oxides is inhibited, and the premixing mechanism is arranged at the combustion mechanism, so that a special mixer is not required to be configured for the burner, and the size is reduced.

Inventors

• HONG YU

Assignees

• 深圳市森能燃烧设备有限公司

Dates

Publication Date

20260508

Application Date

20250422

Claims (8)

1. 1. The premixed burner structure with low nitrogen emission is characterized by comprising a shell, an air inlet mechanism, an air regulating mechanism, a combustion mechanism, a fire stabilizing mechanism, a premixing mechanism and a control cabinet, wherein the air inlet mechanism is connected with the shell, the air regulating mechanism is connected with the shell and is arranged above the air inlet mechanism, the combustion mechanism is arranged in the fire stabilizing mechanism, the fire stabilizing mechanism is connected with the shell, and the premixing mechanism is connected with the combustion mechanism; The wind adjusting mechanism comprises a wind adjusting driving assembly and a wind adjusting assembly, the wind adjusting driving assembly is respectively connected with the shell and the wind adjusting assembly and drives the wind adjusting assembly to rotate, and the wind adjusting assembly is rotationally connected with the shell; The combustion mechanism comprises an ignition assembly and a combustion assembly, the ignition assembly is connected with the premixing mechanism, and the combustion assembly is respectively connected with the fire stabilizing mechanism and the premixing mechanism; the premixing mechanism is arranged in the fire stabilizing mechanism and is connected with the combustion assembly.
2. 2. The premixing burner structure with low nitrogen emission according to claim 1, wherein the premixing mechanism comprises a combustion chamber, a smoke mixing disc and a mixing disc fixing tube, the combustion chamber is in a cylindrical shape and is fixedly connected with the smoke mixing disc, the smoke mixing disc is fixedly connected with the mixing disc fixing tube, the mixing disc fixing tube is fixedly connected with the combustion assembly, a plurality of smoke inlet holes are formed in the smoke mixing disc, a smoke inlet channel is formed in the middle of the mixing disc fixing tube, and the smoke inlet channel is communicated with the combustion assembly.
3. 3. The low nitrogen emission premix burner structure of claim 1, wherein said air intake mechanism comprises an air intake plate and an air plate bolt, said air plate bolt is fixedly disposed through said air intake plate and fixedly connected to said housing, and said air intake plate is fixedly connected with an air intake filter screen.
4. 4. The low nitrogen emission premix burner structure of claim 1, wherein said wind-powered drive assembly comprises a wind-powered drive motor and a wind-powered housing, said wind-powered drive motor being fixedly connected to said wind-powered housing, said wind-powered housing being fixedly connected to said housing and electrically connected to said control cabinet.
5. 5. The premixed burner structure with low nitrogen emission according to claim 4, wherein the wind adjusting assembly comprises a wind adjusting driving shaft, a driving wind plate, a wind adjusting rotating frame, a wind adjusting driven shaft and a driven wind plate, one end of the wind adjusting driving shaft is fixedly connected with the wind adjusting driving motor, the other end of the wind adjusting driving shaft is rotatably connected with the shell and is fixedly connected with the wind adjusting rotating frame, the driving wind plate is fixedly connected with the outer side of the wind adjusting driving shaft, the wind adjusting rotating frame is respectively fixedly connected with the wind adjusting driving shaft and the wind adjusting driven shaft, the wind adjusting driven shaft is rotatably connected with the shell, and the driven wind plate is fixedly connected with the outer side of the wind adjusting driven shaft.
6. 6. The low nitrogen emission premix burner structure of claim 2, wherein said ignition assembly comprises a first igniter and a second igniter, said first igniter and said second igniter are disposed in parallel and spaced apart relation and are fixedly connected to said flue gas mixing disk, and said first igniter and said second igniter are electrically connected to said control cabinet.
7. 7. The premixed burner structure with low nitrogen emission according to claim 1, wherein the combustion assembly comprises a gas split-flow fixing pipe, a gas split-flow pipe and a combustion pipe, the combustion pipe is fixedly connected in the fire stabilizing mechanism, a plurality of gas split-flow pipes are arranged and are uniformly and annularly fixedly connected to the outer sides of the gas split-flow fixing pipes, and the combustion pipe corresponds to the gas split-flow pipes in number and is fixedly connected to the gas split-flow pipes.
8. 8. The premix burner structure of claim 7, wherein said fire stabilizing means comprises a fire stabilizing plate fixedly connected to said housing, an outer fire stabilizing cover fixedly connected to said fire stabilizing plate, an inner fire stabilizing cover fixedly connected to said outer fire stabilizing cover, and said gas distribution fixing tube fixedly connected to the inner side of said inner fire stabilizing cover.

Description

Low nitrogen emission's premix formula combustor structure Technical Field The utility model belongs to the technical field of combustors, and particularly relates to a premix type combustor structure with low nitrogen emission. Background As a device for ejecting and mixing (or mixing ejection) fuel and air in a fixed manner, a burner is widely used in various fields such as industry and civilian use. At present, the partial premixed combustion mode has a plurality of defects. For example, the fuel gas mixes only a portion of the air prior to combustion, requiring secondary air make-up for combustion, which results in insufficient combustion. In some existing cylindrical fully premixed burners, the gas and air are thoroughly mixed before entering the cylinder before entering the cylindrical burner. This makes it necessary to provide the burner with a mixer, which results in an increase in the burner volume and an increase in the geometrical volume occupied by the gas and air mixture. Disclosure of utility model The utility model aims to provide a premix burner structure with low nitrogen emission, and aims to solve the technical problems of insufficient combustion and increased burner volume in the prior art. In order to achieve the above purpose, the premixed burner structure with low nitrogen emission provided by the embodiment of the utility model comprises a shell, an air inlet mechanism, an air adjusting mechanism, a combustion mechanism, a fire stabilizing mechanism, a premixing mechanism and a control cabinet, wherein the air inlet mechanism is connected with the shell, the air adjusting mechanism is connected with the shell and is arranged above the air inlet mechanism, the combustion mechanism is arranged in the fire stabilizing mechanism, the fire stabilizing mechanism is connected with the shell, and the premixing mechanism is connected with the combustion mechanism; The wind adjusting mechanism comprises a wind adjusting driving assembly and a wind adjusting assembly, the wind adjusting driving assembly is respectively connected with the shell and the wind adjusting assembly and drives the wind adjusting assembly to rotate, and the wind adjusting assembly is rotationally connected with the shell; The combustion mechanism comprises an ignition assembly and a combustion assembly, the ignition assembly is connected with the premixing mechanism, and the combustion assembly is respectively connected with the fire stabilizing mechanism and the premixing mechanism; the premixing mechanism is arranged in the fire stabilizing mechanism and is connected with the combustion assembly. As an alternative scheme of the utility model, the premixing mechanism comprises a combustion chamber, a smoke mixing disc and a mixing disc fixing tube, wherein the combustion chamber is in a cylindrical shape and is fixedly connected with the smoke mixing disc, the smoke mixing disc is fixedly connected with the mixing disc fixing tube, the mixing disc fixing tube is fixedly connected with the combustion assembly, a plurality of smoke inlet holes are formed in the smoke mixing disc, a smoke inlet channel is formed in the middle of the mixing disc fixing tube, and the smoke inlet channel is communicated with the combustion assembly. As an alternative scheme of the utility model, the air inlet mechanism comprises an air inlet plate and an air plate bolt, wherein the air plate bolt is fixedly arranged on the air inlet plate in a penetrating way and fixedly connected with the shell, and the air inlet filter screen is fixedly connected to the air inlet plate. As an alternative scheme of the utility model, the wind-adjusting driving assembly comprises a wind-adjusting driving motor and a wind-adjusting power frame, wherein the wind-adjusting driving motor is fixedly connected with the wind-adjusting power frame, and the wind-adjusting power frame is fixedly connected with the shell and is electrically connected with the control cabinet. As an alternative scheme of the utility model, the wind regulating assembly comprises a wind regulating driving shaft, a driving wind plate, a wind regulating rotating frame, a wind regulating driven shaft and a driven wind plate, wherein one end of the wind regulating driving shaft is fixedly connected with the wind regulating driving motor, the other end of the wind regulating driving shaft is rotatably connected with the shell and is fixedly connected with the wind regulating rotating frame, the driving wind plate is fixedly connected with the outer side of the wind regulating driving shaft, the wind regulating rotating frame is respectively and fixedly connected with the wind regulating driving shaft and the wind regulating driven shaft, the wind regulating driven shaft is rotatably connected with the shell, and the driven wind plate is fixedly connected with the outer side of the wind regulating driven shaft. As an alternative scheme of the utility model, the ignition assembly comprises a fir