A power station gas boiler vector burner

Abstract

The utility model discloses a kind of power station gas boiler vector burners, including burner shell, the inside of the burner is rotationally equipped with combustion head with the burner shell, the inside of the combustion head is hollow structure, and combustion head is formed combustion cavity inside, multiple pin shafts are evenly arranged on the outside end of the combustion head, multiple the pin shafts are rotationally equipped with spout vane, the inside of the combustion head is fixedly equipped with gas pipe support, multiple gas pipes are evenly arranged on the gas pipe support, the gas pipe support is connected with cyclone disc by support column, the support column is slidably equipped with propelling ring, multiple connecting rods are evenly rotationally arranged on the outside wall around the propelling ring, the inner wall of multiple the spout vane is fixedly equipped with support plate, single the support plate is rotationally connected with single the connecting rod respectively by rotation shaft. The utility model has high combustion efficiency, and it is convenient to adjust spout angle.

Description

Technical Field

[0001] This invention relates to the field of boiler burner technology, specifically to a vector burner for a power plant gas-fired boiler. Background Technology

[0002] A boiler burner refers to the burner used on a boiler. It is the most important auxiliary equipment in oil and gas boilers. Boiler burners are mainly divided into oil burners, gas burners, and dual-fuel burners (also called oil-gas dual-fuel burners). Oil burners can be further divided into light oil burners and heavy oil burners. Light oil mainly refers to diesel, while heavy oil refers to the heavy oil remaining after gasoline and diesel are extracted from crude oil. Gas burners can be divided into natural gas burners, city gas burners, liquefied petroleum gas burners, and biogas burners. A vector represents the change in magnitude and direction. In power plant gas boilers, the excess air coefficient is greater than the rated operating condition under low load to ensure stable fuel and air combustion. The vector burner (magnitude change) optimizes the mixing of lower airflow and fuel gas by adjusting the opening and closing of the nozzle, maintaining the optimal design wind speed, ensuring the rigidity of the air-assisted combustion jet, and achieving the optimal dynamic field effect.

[0003] With the advancement of technology, there is a need for a vector burner that can increase the widespread use of gaseous fuels, improve the combustion efficiency of burners at different load levels, and achieve energy-saving and high-efficiency combustion. Summary of the Invention

[0004] The purpose of this invention is to provide a vector burner for a power plant gas boiler.

[0005] This invention is implemented as follows:

[0006] A vector burner for a power plant gas-fired boiler includes a burner shell. A burner head is rotatably mounted inside the burner shell via a rotating shaft. The burner head has a hollow internal structure and forms a combustion chamber. Multiple pins are evenly spaced on the outer end of the burner head, each pin rotatably mounted with a nozzle blade. A gas pipe support is fixed inside the burner head, and multiple gas pipes are evenly spaced on the gas pipe support. A planar gas nozzle is provided on the top surface of the outer end of each gas pipe. Both sides of the planar gas nozzle are sloped, and multiple gas nozzles are formed on each sloped surface. Fuel is injected through the gas nozzle and mixed with air for combustion. The gas is injected from nozzles at different angles at the front end, with different angles providing a grading effect to avoid high fuel concentration, excessive combustion temperature buildup, incomplete combustion, and excessive pollutant generation.

[0007] The gas pipe support is connected to a swirl plate via a support column. A propulsion ring slides on the support column, and multiple connecting rods are evenly spaced and rotate around the outer wall of the propulsion ring. Support plates are fixed to the inner walls of multiple nozzle blades, and each support plate is rotatably connected to a single connecting rod via a rotating shaft. A rotating motor is rotatably connected to the outer end of the burner housing via the rotating shaft. The swirl plate is an integrated swirl plate with a stable structure, entraining hot flue gas in the furnace and promoting stable fuel combustion.

[0008] Furthermore, the propulsion ring is fixedly equipped with a lead screw, and a servo motor is connected to the lead screw. The servo motor is located at the outer end of the burner housing.

[0009] Furthermore, the swirl plate has multiple fan blades inside, and the outer end of the swirl plate is flush with the outer end face of the multiple gas pipes.

[0010] Furthermore, the vortex disk, servo motor, and rotary motor are all controlled by an external control processor.

[0011] Compared with the prior art, the beneficial effects of the present invention are:

[0012] 1. Through the cooperation of a lead screw and servo motor, the propulsion ring slides on the support column, and the connecting rod pushes the nozzle blades to adjust the size and direction of the burner nozzle. An external rotary motor rotates the burner head, causing the nozzle to swing at 30° forward and 30° backward. This up-and-down swing within the furnace changes the position of the flame center. The integrated swirl plate rotates, causing air exchange between the burner head and the outside environment, entraining hot flue gas and promoting stable fuel combustion. This facilitates the mixing of combustion air and fuel, ensuring a reasonable combustion dynamic field, uniform combustion temperature, and efficient combustion. It can control the flame center, ensure the rigidity of the combustion air jet, and meet the requirements of uniform air-fuel mixing, stable combustion, uniform temperature field, reasonable structure, high thermal efficiency, and excellent energy-saving effect at different load levels. Attached Figure Description

[0013] To more clearly illustrate the technical solutions of the embodiments of the present invention, the accompanying drawings used in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of the present invention and should not be regarded as a limitation of the scope. For those skilled in the art, other related drawings can be obtained from these drawings without creative effort.

[0014] Figure 1 This is a schematic diagram of the planar structure of a vector burner for a power plant gas boiler according to the present invention;

[0015] Figure 2This is a schematic diagram of the structure of the present invention at a 45-degree angle;

[0016] Figure 3 This is a partial structural schematic diagram of the present invention;

[0017] The components include: burner housing 15, connecting rod 12, swirl plate 10, support column 11, nozzle blade 5, support plate 51, gas pipe 13, gas nozzle 14, burner head 2, pin 6, rotating shaft 8, and gas pipe bracket 9. Detailed Implementation

[0018] To make the objectives, technical solutions, and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention. Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely to represent selected embodiments of the invention. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0019] Please see Figure 1-3 A vector burner for a power plant gas-fired boiler includes a burner housing 15. A burner head 2 is rotatably mounted inside the burner housing 15 via a rotating shaft. The burner head 2 has a hollow interior and forms a combustion chamber. Multiple pins 6 are evenly spaced on the outer end of the burner head 2, and each pin 6 is rotatably mounted with a nozzle blade 5. A gas pipe support 9 is fixed inside the burner head 2, and multiple gas pipes 13 are evenly spaced on the gas pipe support 9. A planar gas nozzle 14 is provided on the top surface of the outer end of each gas pipe 13. Both sides of the planar gas nozzle are sloped, and multiple gas nozzles are formed on both sloped surfaces. Fuel is injected through the gas nozzles and mixed with air for combustion. The gas is injected from nozzles at different angles at the front end, and these different angles provide a grading effect, preventing high fuel concentration, excessive combustion temperature buildup, incomplete combustion, and excessive pollutant generation.

[0020] The gas pipe support 9 is connected to a swirl plate 10 via a support column. A propulsion ring slides on the support column, and multiple connecting rods 12 are evenly spaced and rotate around the outer wall of the propulsion ring. Support plates are fixed to the inner walls of multiple nozzle blades 5, and each support plate is rotatably connected to a single connecting rod 12 via a rotating shaft. A rotating motor is rotatably connected to the outer end of the burner housing 15 via a rotating shaft 8. The swirl plate 10 is an integral swirl plate with a stable structure, drawing in hot flue gas from the furnace and promoting stable fuel combustion.

[0021] In this embodiment, the propulsion ring is fixedly provided with a lead screw, and a servo motor is connected to the lead screw. The servo motor is located at the outer end of the burner housing.

[0022] In this embodiment, the swirl disk 10 is provided with multiple fan blades inside, and the outer end of the swirl disk is flush with the outer end face of the multiple gas pipes. The swirl disk, servo motor, and rotary motor are all controlled by connecting to an external control processor.

[0023] The above description is merely a preferred embodiment of the present invention and is not intended to limit the invention. Various modifications and variations can be made to the invention by those skilled in the art. Any modifications, equivalent substitutions, or improvements made within the spirit and principles of the invention should be included within the scope of protection of the invention.

Claims

1. A power station gas-fired boiler vector burner, characterized in that: The application relates to a burner, which comprises a burner shell (15), the inside of the burner shell (15) is provided with a combustion head (2) through a rotating shaft (8) and the combustion head (2) is provided with a hollow structure, a combustion cavity is formed in the combustion head (2), a plurality of pin shafts (6) are uniformly arranged on the outer side end of the combustion head (2), a plurality of the pin shafts (6) are provided with a nozzle vane (5), a gas pipe support (9) is fixedly arranged in the combustion head (2), a plurality of gas pipes (13) are uniformly arranged on the gas pipe support (9), the gas pipe support (9) is connected with a rotating disc (10) through a supporting column, a propelling ring is slidingly arranged on the supporting column, a plurality of connecting rods (12) are uniformly arranged on the outer side wall of the propelling ring, a plurality of the nozzle vanes (5) are fixedly arranged on the inner wall of the supporting plate (51), and a single supporting plate (51) is rotatably connected with a single connecting rod (12) through a rotating shaft.

2. A vector burner for a gas-fired boiler of an electric power plant according to claim 1, characterized in that, The rotating shaft (8) is rotatably connected with a rotating motor on the outer side end of the burner shell (15).

3. A vector burner for a gas-fired boiler of an electric power plant according to claim 1, characterized in that, The propelling ring is fixedly provided with a screw rod, a servo motor is connected with the screw rod, and the servo motor is arranged on the outer side end of the burner shell (15).

4. A vector burner for a utility gas-fired boiler as set forth in claim 1, characterized in that The rotating disc (10) is provided with a plurality of fan blades, and the outer side end of the rotating disc (10) is flush with the outer side end surface of the plurality of gas pipes (13).

5. A vector burner for a utility gas-fired boiler as set forth in claim 1, characterized in that, The outer side end of the gas pipe (13) is provided with a plane gas injection hole, the both sides of the plane gas injection hole are in a slope shape, and a plurality of gas injection holes are arranged on the both sides of the slope shape.

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