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System and method for collecting combustion products of constant volume combustion bomb

A technology of constant volume incendiary bombs and combustion products, used in chemical analysis, instruments, analysis materials, etc.

Inactive Publication Date: 2015-06-24
TIANJIN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] 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 combustion bomb
  • System and method for collecting combustion products of constant volume combustion bomb
  • System and method for collecting combustion products of constant volume combustion bomb

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Embodiment Construction

[0050] Constant volume combustion bomb combustion product collection system, including:

[0051] Constant-volume combustion 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 combustion bombs are driven by high-pressure nitrogen and pass through the second solenoid valve and the second flow rate in sequence Valve, the combustion product inlet into the quenching device;

[0052] Quenching device 36;

[0053] 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 is installed in a constant volume. Between the combustion bomb and the quenching device; the third solenoid valve 33 is a high-pressure solenoid valve; the third flow metering valve 41; the two are installed between the nitrogen cyli...

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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

Technical field: [0001] The invention relates to a constant volume combustion bomb device, in particular to a constant volume combustion bomb combustion product collection system and method. Background technique: [0002] As emission regulations become more and more stringent, people are paying more and more attention to how to effectively reduce the emissions of harmful gases from engines. It is important to study how harmful emissions such as PM are formed during the combustion process in cylinders to reduce their emissions. At present, a single-cylinder engine full-cylinder sampling system has been used in the current research, but the system has complex structure, long development cycle, high cost, and large cycle changes during operation. Because constant volume combustion bombs can accurately control a variety of thermodynamic parameters, they are widely used in the research of simulating engines, but the research work is mostly concentrated in the field of combustion. Ther...

Claims

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Application Information

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Patent Type & Authority Applications(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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