Combustion chamber of a dual-combustion-supporting air supply boiler and method thereof
A combustion-supporting air and combustion chamber technology, which is applied in the combustion method, combustion air/fuel supply, combustion using multiple fuels, etc., can solve the problems of heating tube heating and insufficient combustion, and achieve sufficient heating, simple structure, improved Effects of heating power and uniformity
Active Publication Date: 2019-06-25
国家电投集团协鑫滨海发电有限公司
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Problems solved by technology
[0003] In the combustion chamber of the existing heat-conducting oil boiler, the simple combustion-supporting air and gas are mixed and sprayed into the combustion chamber. Since the normal sprayed flame cannot completely evenly heat the heating tube in the existing regular cylindrical structure combustion chamber, resulting in heat Fully utilized, the traditional combustion furnace has the disadvantages of sufficient oxygen in the front section and intense combustion, and insufficient oxygen-deficient combustion in the rear section
Method used
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Embodiment Construction
[0024] The present invention will be further described below in conjunction with the accompanying drawings.
[0025] as attached Figures 1 to 4 The combustion chamber of a dual-combustion-supporting air supply boiler includes a gas burner 19, a furnace body 15, an air preheating box 30, a heat exchange pipe 38, a flue gas collecting box 35, a smoke exhaust pipe 34, and a gas supply Pipe 21, the first combustion air supply pipe 20;
[0026] The gas supply end of the gas supply pipe 21 and the air supply end of the first combustion-supporting air supply pipe 20 are jointly connected to the gas burner 19, and the flame nozzle 7 of the gas burner 19 corresponds to the furnace body 15 In the combustion chamber 17; the smoke exhaust end of the furnace body 15 is connected with a number of heat exchange smoke pipes 38, and a number of heat exchange smoke pipes 38 pass through the heat exchange chamber 40 in the air preheating box 30; The smoke outlet end of the heat exchange smoke...
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The invention discloses a dual-combustion-supporting air-supply-type boiler combustion chamber which comprises a fuel gas burner, a boiler body, an air preheating box, heat-exchanging flue pipes, a flue gas collecting box, a flue exhaust pipe, a fuel gas supply pipe and a first combustion-supporting air supply pipe. The fuel gas supply end of fuel gas supply pipe and the air supply end of the first combustion-supporting air supply pipe are connected with the fuel gas burner jointly. A flame spraying opening of the fuel gas burner corresponds to the interior of a combustion chamber body of theboiler body, the flue exhaust end of the boiler body is connected with the multiple heat-exchanging flue pipes, and the multiple heat-exchanging flue pipes penetrate through a heat-exchanging cavity in the air preheating box. The structure is simple, the conical-circular-table-shaped combustion chamber body is adopted, an ignition cone is matched to guide common jet flames into a horn shape and tobe attached to conically-and-spirally-distributed heating pipes to advance, and the heating area of the heating pipes becomes larger through the flames.
Description
technical field [0001] The invention belongs to the field of heat-conducting oil boilers, and in particular relates to a double combustion-supporting air supply type boiler combustion chamber and a method thereof. Background technique [0002] The heat-conducting oil boiler uses heat-conducting oil as the medium, and uses the hot oil circulating oil pump to force the medium to circulate in liquid phase, transfer the heat energy to the heat-consuming equipment and then return to the heating furnace for reheating, and deliver the heat energy to the heat-consuming equipment before returning to the heating furnace for reheating , with high working temperature under low pressure, and high-precision control of medium operation; [0003] In the combustion chamber of the existing heat-conducting oil boiler, the simple combustion-supporting air and gas are mixed and sprayed into the combustion chamber. Since the normally injected flame cannot completely evenly heat the heating tube i...
Claims
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IPC IPC(8): F23C3/00F23C5/08F23L1/00F23L9/00F23L15/04F24H7/00F24H9/18
CPCF23C3/00F23C5/08F23L1/00F23L9/00F23L15/045F24H7/005F24H9/1836Y02E20/34
Inventor 崔秀萍
Owner 国家电投集团协鑫滨海发电有限公司