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CN-224215369-U - Fuel staged combustion denitrification device

CN224215369UCN 224215369 UCN224215369 UCN 224215369UCN-224215369-U

Abstract

The utility model provides a fuel staged combustion denitration device, which belongs to the field of staged combustors and comprises a combustion bin, a furnace body, a feeding pipe, a flue gas bin, an air pipe and a scattering bin, wherein the furnace body is fixedly connected to the top of the combustion bin, the feeding pipe is fixedly connected to the outer wall of the furnace body, the flue gas bin is arranged on the outer wall of the combustion bin, the air pipe is fixedly connected to the outer wall of the furnace body, the scattering bin is fixedly connected to the outer wall of the furnace body, a crushing assembly is arranged on the outer wall of the combustion bin, a screening assembly is arranged on the outer wall of the combustion bin, and the crushing assembly comprises a crushing bin, a conveying pipe, a funnel, a support plate, a diagonal rod, a motor, a driving belt and a crushing roller. According to the utility model, after raw materials enter the crushing bin through the hopper, the motor can be controlled to rotate through the driving belt to drive the crushing roller to rotate, so that the raw materials are crushed, and the problem that the existing staged combustor cannot treat large-particle fuel is solved.

Inventors

  • ZHAO HUIJUN
  • PENG HUAN
  • FU CHANGSHENG

Assignees

  • 安徽英毅热电有限公司

Dates

Publication Date
20260508
Application Date
20250530

Claims (7)

  1. 1. The utility model provides a fuel staged combustion denitrification facility, includes combustion chamber (1), furnace body (2), pan feeding pipe (3), flue gas storehouse (4), tuber pipe (5) and spill feed bin (6), furnace body (2) fixed connection is in the top of combustion chamber (1), pan feeding pipe (3) fixed connection is in the outer wall of furnace body (2), flue gas storehouse (4) set up in the outer wall of combustion chamber (1), tuber pipe (5) fixed connection is in the outer wall of furnace body (2), spill feed bin (6) fixed connection in the outer wall of furnace body (2), wherein, the outer wall of combustion chamber (1) is provided with crushing subassembly (7), the outer wall of combustion chamber (1) is provided with screening subassembly (8); Crushing subassembly (7) are including smashing storehouse (701), conveying pipeline (702), funnel (703), extension board (704), down tube (705), motor (706), drive belt (707) and crushing roller (708), smash storehouse (701) set up in the outside of burning storehouse (1), conveying pipeline (702) fixed connection is in the bottom of smashing storehouse (701), funnel (703) fixed connection is in the top of smashing storehouse (701), extension board (704) fixed connection is in the outer wall of smashing storehouse (701), down tube (705) fixed connection is in the outer wall of smashing storehouse (701), motor (706) fixed connection is in the top of extension board (704), drive belt (707) set up in the outside of smashing storehouse (701), crushing roller (708) are installed in the inside of smashing storehouse (701).
  2. 2. The fuel staged combustion denitration device as claimed in claim 1, wherein two ends of the feed conveying pipe (702) are respectively communicated with the inside of the crushing bin (701) and the inside of the combustion bin (1), and one end of the inclined rod (705) far away from the crushing bin (701) is fixedly connected with the bottom of the support plate (704).
  3. 3. The fuel staged combustion denitration device as claimed in claim 2, wherein the outer wall of the driving wheel of the driving belt (707) is fixedly connected with the output shaft of the motor (706), the driving shaft of the crushing roller (708) penetrates through the inner wall of the crushing bin (701) and extends to the outside of the crushing bin (701), and the outer wall of the driven wheel of the driving belt (707) is fixedly connected with one end of the driving shaft of the crushing roller (708) extending to the outside of the crushing bin (701).
  4. 4. The fuel staged combustion denitration device as claimed in claim 1, wherein the screening assembly (8) comprises a screening plate (801), a bent rod (802), a frame (803), a sliding rail (804), a cam (805) and a discharge hole (806), the screening plate (801) is arranged in the crushing bin (701), the bent rod (802) is arranged in the crushing bin (701), the frame (803) is arranged on the outer wall of the crushing bin (701), the sliding rail (804) is fixedly connected to the outer wall of the crushing bin (701), the cam (805) is fixedly connected to the outer wall of an output shaft of the motor (706), and the discharge hole (806) is formed in the outer wall of the crushing bin (701).
  5. 5. The fuel staged combustion denitration device as claimed in claim 4, wherein the outer wall of the screening plate (801) is slidably connected with the inner wall of the grinding bin (701), one end of the bent rod (802) penetrates through the inner wall of the grinding bin (701) and extends to the outside of the grinding bin (701), and the outer wall of the bent rod (802) is slidably connected with the inner wall of the grinding bin (701) penetrated.
  6. 6. The fuel staged combustion denitration device as claimed in claim 5, wherein one end of the bent rod (802) positioned in the crushing bin (701) is fixedly connected with the outer wall of the sieving plate (801), and the bottom of the frame (803) is fixedly connected with the top end of the bent rod (802).
  7. 7. The fuel staged combustion denitration device as claimed in claim 6, wherein the outer wall of the frame (803) is slidably connected with the outer wall of the slide rail (804), the outer wall of the cam (805) is in contact with the inner wall of the frame (803), and the discharge port (806) and the sieving plate (801) are in the same horizontal plane.

Description

Fuel staged combustion denitrification device Technical Field The utility model relates to the field of staged combustors, in particular to a fuel staged combustion denitration device. Background A staged combustor is an advanced combustion device that optimizes the combustion by dividing the combustion process into different stages (typically two or more stages). The burner is mainly used in large combustion equipment such as industrial boilers, power station boilers and the like, and aims to effectively control the generation of pollutants while ensuring high-efficiency combustion. Current staged burners can be used during use due to the presence of large particles in the fuel, the larger fuel particles having a greater mass and thermal inertia. This means that during combustion, the particles need to absorb more heat to reach the ignition temperature. The ignition process of the large particle fuel is delayed compared to the small particle, thereby causing incomplete combustion of the fuel and reducing combustion efficiency. How to solve these problems becomes a urgent problem for those skilled in the art. Disclosure of utility model In order to make up for the defects, the utility model provides a fuel staged combustion denitration device, which aims to solve the problem that the existing staged burner cannot treat large-particle fuel. The utility model is realized in the following way: The utility model provides a fuel staged combustion denitration device which comprises a combustion bin, a furnace body, a feeding pipe, a flue gas bin, an air pipe and a scattering bin, wherein the furnace body is fixedly connected to the top of the combustion bin, the feeding pipe is fixedly connected to the outer wall of the furnace body, the flue gas bin is arranged on the outer wall of the combustion bin, the air pipe is fixedly connected to the outer wall of the furnace body, the scattering bin is fixedly connected to the outer wall of the furnace body, the outer wall of the combustion bin is provided with a crushing assembly, and the outer wall of the combustion bin is provided with a screening assembly. The crushing assembly comprises a crushing bin, a conveying pipe, a funnel, a support plate, a diagonal rod, a motor, a driving belt and a crushing roller, wherein the crushing bin is arranged outside the combustion bin, the conveying pipe is fixedly connected to the bottom of the crushing bin, the funnel is fixedly connected to the top of the crushing bin, the support plate is fixedly connected to the outer wall of the crushing bin, the diagonal rod is fixedly connected to the outer wall of the crushing bin, the motor is fixedly connected to the top of the support plate, the driving belt is arranged outside the crushing bin, and the crushing roller is arranged inside the crushing bin. Preferably, the two ends of the conveying pipe are respectively communicated with the inside of the crushing bin and the inside of the combustion bin, and one end of the inclined rod, which is far away from the crushing bin, is fixedly connected with the bottom of the support plate. Through adopting above-mentioned technical scheme, smash the inside kibbling raw and other materials of accomplishing in storehouse and carry the inside of burning storehouse through the conveying pipeline and burn the processing, the effect that can play the support to the extension board of diagonal lever, guarantee the stability of extension board. Preferably, the outer wall of the driving wheel of the driving belt is fixedly connected with the output shaft of the motor, the driving shaft of the crushing roller penetrates through the inner wall of the crushing bin and extends to the outside of the crushing bin, and the outer wall of the driven wheel of the driving belt is fixedly connected with one end of the driving shaft of the crushing roller, which extends to the outside of the crushing bin. Through adopting above-mentioned technical scheme, after the motor operation, can drive the drive belt through the output shaft and operate for the drive belt drives crushing roller and smashes the inside raw and other materials of storehouse. Preferably, the screening assembly comprises a screening plate, a bent rod, a frame, a sliding rail, a cam and a discharge hole, wherein the screening plate is arranged in the crushing bin, the bent rod is arranged in the crushing bin, the frame is arranged on the outer wall of the crushing bin, the sliding rail is fixedly connected to the outer wall of the crushing bin, the cam is fixedly connected to the outer wall of an output shaft of the motor, and the discharge hole is formed in the outer wall of the crushing bin. Preferably, the outer wall of screening board and the inner wall sliding connection of smashing the storehouse, the inner wall of smashing the storehouse is run through to the one end of bent rod to extend to the outside of smashing the storehouse, the outer wall of bent rod and the inner wall sliding con