Flame heating pipe
A technology of flame heating and tube shaft, which is applied in the field of welding, can solve the problems of insufficient combustion of gas and affect the quality of welding, etc., and achieve the effect of sufficient combustion of gas
Inactive Publication Date: 2017-05-10
SUZHOU THVOW TECH LLC
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- Description
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Problems solved by technology
[0004] The flame heating tube is a preheating device before welding, which plays an important role in ensuring the welding quality. The flame heating tube in the prior art includes a long tube body and several burners welded on the long tube body. There are several gas ports on the elongated pipe body, and several gas ports correspond to several burners one by one. When gas is passed through the elongated pipe body, the gas enters several burners through several gas ports. Combustion, at this time the air required for combustion comes from the environment. Due to the limited air in the environment, it often leads to insufficient combustion of the gas, which in turn affects the welding quality
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Embodiment Construction
[0023] The pipe head heat treatment tool of the present invention will be further described in detail through specific examples below.
[0024] Such as Figure 1 to Figure 4 As shown, a flame heating tube includes: a strip-shaped gas pipe 1, a strip-shaped compressed air pipe 2 and several burners 3, and the gas pipe 1, compressed air pipe 2 and burners 3 are all made of round pipes become. The height of the burners 3 is 70 mm, and the distance between every two burners 3 is 180 mm. One end of the gas pipe 1 and the compressed air pipe 2 is provided with a blocking plate 10, the gas pipe 1 and the compressed air pipe 2 are welded together in parallel, and the burner 3 is welded vertically to the gas pipe 1 and the compressed air pipe 2 Together, the gas pipe 1 is provided with several evenly arranged gas outlets 11, and the compressed air pipe 2 is provided with several evenly arranged compressed air outlets 20, and the diameter of the compressed air outlet 20 and the gas ou...
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The invention relates to a flame heating pipe which comprises a fuel gas pipe, a compressed air pipe and a plurality of burner nozzles. One ends of the fuel gas pipe and the compressed air pipe are provided with baffles. The fuel gas pipe and the compressed air pipe are parallelly welded together, and the burner nozzles and the fuel gas pipe as well as the burner nozzles and the compressed air pipe are perpendicularly welded together. The fuel gas pipe is provided with a plurality of uniformly distributed fuel gas outlets, and the compressed air pipe is provided with a plurality of uniformly distributed compressed air outlets. Each burner nozzle communicates with the corresponding fuel gas outlet and the corresponding compressed air outlet. The distances between the fuel gas outlets and the compressed air outlets in the pipe axis direction are 8-12 mm. Included angles of 40-50 degrees are formed between the projections of the compressed air outlets and the corresponding projections of the fuel gas outlets on a projective plane perpendicular to the fuel gas pipe axis, and therefore fuel gas can be fully combusted.
Description
[0001] 【Technical field】 [0002] The invention relates to the field of welding, in particular to a flame heating pipe. [0003] 【Background technique】 [0004] The flame heating tube is a preheating device before welding, which plays an important role in ensuring the welding quality. The flame heating tube in the prior art includes a long tube body and several burners welded on the long tube body. There are several gas ports on the elongated pipe body, and several gas ports correspond to several burners one by one. When gas is passed through the elongated pipe body, the gas enters several burners through several gas ports. Combustion is carried out. At this time, the air required for combustion comes from the environment. Due to the limited air in the environment, it often leads to insufficient combustion of the gas, which in turn affects the welding quality. [0005] Therefore, it is necessary to provide a flame heating tube that solves the above technical problems. [0006...
Claims
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IPC IPC(8): F23D14/00F23D14/52
CPCF23D14/00F23D14/52
Inventor 高东华周亮吴迪
Owner SUZHOU THVOW TECH LLC