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Detachable premixed diesel combustor with controllable exhaust components

A detachable burner technology, which is applied in the field of detachable premixed diesel burners, can solve the problem of small flow and achieve the effect of simple structure, reasonable design and easy disassembly

Active Publication Date: 2018-02-23
SHANGHAI JIAO TONG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The oil burner invented in CN203927905 U is provided with a plurality of through holes on the inner cavity and is inclined in the circumferential direction to obtain the swirling airflow, which is mainly used in the oil stove of the restaurant, so the obtained flow rate is relatively small

Method used

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  • Detachable premixed diesel combustor with controllable exhaust components
  • Detachable premixed diesel combustor with controllable exhaust components
  • Detachable premixed diesel combustor with controllable exhaust components

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Embodiment example

[0026] Such as Figure 1 to Figure 9 As shown, the present invention includes intake section 1, front fixed section 2, swirl plate 3, fuel injector group 4, rear fixed section 5, screw mandrel 6, mixing section 7, spark plug group 8, ignition coil 9, support 10, Combustion chamber 11, oil pipe fixing hole 21, screw rod fixing hole 22, air intake section fixing hole 23 are arranged on the front fixing section 2, and the flange is installed between the air inlet section 1 and the front fixing section 2 through the air inlet section fixing hole 23 The bolts are fixed, and the inner ring layer elbow system 31, the second ring layer elbow system 32, the outer ring layer elbow system 33, the front end slot 34, and the rear end slot 35 are respectively arranged on the vortex plate 3, and the rear fixing section 5 includes Front cavity 51, cavity slope 52, cavity inner surface 53, front-end pipeline 54, front-end slope 55, injector socket 56, connecting flange 57, the end pipeline 24 ...

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Abstract

The invention discloses a detachable premixed diesel combustor with controllable exhaust components in the technical field of diesel combustion equipment. The premixed diesel combustor comprises an air inlet section, a front fixing section, a vortex plate, a rear fixing section, a mixing section, an oil injector set, a spark plug set and a combustion chamber; air rotational flow is generated through the vortex plate filled with bent pipes with different heights and different angles, and is mixed with diesel oil mist sprayed out of oil injectors in the mixing section, and then an oil-air mixture is formed; and downstream spark plugs perform ignition, and flame enters the combustion chamber for combustion under the action of continuously entering air. According to the premixed diesel combustor, the oil injectors are arranged in inserting holes in the rear fixing section in the circumferential direction, the multiple oil injectors can be symmetrically arranged, one or two of the oil injectors can inject nitrogen-containing fuel for combustion so that NOx with the required concentration can be generated, and the other one or two of the oil injectors can inject engine oil for burning soas to generate PM particles with the required concentration; and the premixed diesel combustor has the advantages of being reasonable in design, simple in structure, convenient to dismount and capable of adjusting combustion exhaust.

Description

technical field [0001] The invention relates to the technical field of diesel combustion equipment, in particular to a detachable premixed diesel burner capable of generating required concentrations of NOx and PM particles. Background technique [0002] Existing oil burners are mainly used for boiler combustion, so flame stability, high combustion efficiency, and low NOx emissions are required to meet emission regulations. And this diesel burner is used to test the exhaust after-treatment equipment, which needs to be able to produce the exhaust gas with the required temperature and required components for testing the after-treatment equipment. The main emissions from diesel combustion are NOx, HC and PM. [0003] The premix burner invented in CN 1115515C uses a central lance, and the shell is tangential to the air intake to produce lower NOx emissions. Due to the central arrangement of spray guns, the number of spray guns that can be arranged is limited. The fuel for the ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F23D11/24F23D11/40F23D11/38
CPCF23D11/24F23D11/38F23D11/402
Inventor 郑健占日敬林赫管斌李忠照王航
Owner SHANGHAI JIAO TONG UNIV
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