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System and method for collecting combustion products of constant volume incendiary bombs

A technology of constant volume incendiary bombs and combustion products, which is applied in chemical analysis, instruments, and analytical materials by means of combustion

Inactive Publication Date: 2017-03-01
TIANJIN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0007] In order to overcome the shortcomings of the single-cylinder full-cylinder sampling system and solve the shortcomings of traditional gas collection devices and methods, the present invention provides a constant-volume incendiary bomb combustion product collection device and method

Method used

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  • System and method for collecting combustion products of constant volume incendiary bombs
  • System and method for collecting combustion products of constant volume incendiary bombs
  • System and method for collecting combustion products of constant volume incendiary bombs

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Embodiment Construction

[0055] Combustion product collection system for constant volume incendiary bombs, including:

[0056] Constant-volume incendiary bomb 35 is used to simulate fuel combustion, including intake and exhaust systems, heating systems, and fuel supply systems; the combustion products of constant-volume incendiary bombs are driven by high-pressure nitrogen to pass through the second solenoid valve and the second flow metering system in sequence. valve, the inlet of combustion products into the quenching device;

[0057] Quenching device 36;

[0058] The first solenoid valve 31 and the first flow metering valve 39 are installed between the nitrogen cylinder and the quenching device; the second solenoid valve 32 is a high-temperature solenoid valve; the second flow metering valve 40; both are installed at a constant volume Between the incendiary bomb and the quenching device; the third solenoid valve 33 is a high-pressure solenoid valve; the third flow metering valve 41; both are insta...

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Abstract

The invention relates to a system and a method for collecting the combustion products of a constant volume combustion bomb, aiming at overcoming the defects of a single-cylinder engine all-cylinder sampling system and the traditional gas collecting device and method. The system for collecting the combustion products of the constant volume combustion bomb comprises a constant volume combustion bomb, a quenching device, a first electromagnetic valve, a first flow metering valve, a second electromagnetic valve, a second flow metering valve, a third electromagnetic valve, a third flow metering valve, a gas bag or gas cylinder, a nitrogen steel cylinder, a synchronous data acquisition system and a singlechip control system. The system and the method have the advantages and the beneficial effects that multiple thermodynamic parameters can be accurately controlled by the constant volume combustion bomb, so that the combustion under various conditions can be accurately reproduced, and the influence of actual cyclical variation of an engine to sampling can be eliminated.

Description

[0001] Technical field: [0002] The invention relates to a constant-volume incendiary bomb device, in particular to a system and method for collecting combustion products of a constant-volume incendiary bomb. [0003] Background technique: [0004] With the increasingly stringent emission regulations, people are paying more and more attention to how to effectively reduce the emission of harmful gases from the engine. It is of great significance to study how harmful emissions such as PM are formed during the combustion process in the cylinder to reduce their emissions. At present, a single-cylinder full-cylinder sampling system has been used in research, but the system has complex structure, long development cycle, high cost, and large cycle changes during work. Because constant-volume incendiary bombs can precisely control various thermodynamic parameters, they are widely used in the research of simulated engines, but most of the research work is concentrated in the field of c...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N31/12G01N1/24G01N35/00
Inventor 姚春德胡江涛银增辉耿培林姚安仁
Owner TIANJIN UNIV
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