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Droplet evaporation and combustion device with observation and shooting convenience and experimental method

A technology of droplet evaporation and combustion device, which is used in measurement devices, chemical analysis using combustion, instruments, etc., can solve the problems of flame influence, single device applicability, and inability to mix gas components, to ensure accuracy and reliability. Stability, the effect of optimized design

Active Publication Date: 2018-11-16
ANHUI UNIVERSITY OF TECHNOLOGY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] However, the shortcomings of the above application are that the shooting and debugging of the device are relatively complicated, it is inconvenient for the experimenter to observe, the mixing of the gas components cannot be carried out, and the applicability of the device is relatively single, which cannot meet the diverse experimental conditions. cost too high
In addition, most of the existing single-droplet test benches have the problem that the flame is affected by the size of the chamber space or that although the chamber space of the test bench is sufficient, the chamber is not convenient for observation or shooting.

Method used

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  • Droplet evaporation and combustion device with observation and shooting convenience and experimental method
  • Droplet evaporation and combustion device with observation and shooting convenience and experimental method

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Effect test

Embodiment 1

[0036] Such as figure 1As shown, a droplet evaporation and combustion device that is convenient for observation and photographing in this embodiment includes a sealing device, an air supply mechanism, an ignition mechanism and a thermocouple propulsion mechanism, wherein the air supply mechanism is used to supply air to the sealing device, and the ignition The mechanism is used for the ignition operation of the fuel, and the thermocouple propulsion mechanism includes a thermocouple 18, a pushing trolley 19 and a driving mechanism. The thermocouple 18 is installed on the pushing trolley 19, and its sensing end extends out of the pushing trolley 19 , the drive mechanism is connected to the push trolley 19 for driving and controlling the movement of the push trolley 19. The driving mechanism of this embodiment includes a stepping motor 20 and a power supply device 21 , and the stepping motor 20 is connected to the pushing trolley 19 and the power supply device 21 respectively. T...

Embodiment 2

[0038] A kind of droplet evaporation and burning device that is convenient for observation and shooting of this embodiment, its structure is basically the same as that of Embodiment 1, and its difference mainly lies in: the sealing device of this embodiment is provided with the thermocouple guide that enters and exits for thermocouple 18 tube 3, and an infrared beam emitter 25 is installed below the sensing end of the thermocouple 18, and a corresponding photosensitive element 26 is provided at the entrance of the thermocouple guiding tube 3, and the control switch 27 of the photosensitive element 26 is installed in series on the stepping motor 20 and the power supply device 21, and the thermocouple 18 is connected to the data acquisition instrument 22, and the data acquisition instrument 22 is connected to the computer 23. Through the cooperative use of the infrared beam emitter 25 and the photosensitive element 26, the size of the liquid droplet entering the sealing device ca...

Embodiment 3

[0040] A liquid droplet evaporation and combustion device that is convenient for observation and shooting in this embodiment has a structure basically the same as in Embodiment 2, the difference mainly lies in that the ignition mechanism of this embodiment includes an igniter 7 and an ignition coil 8, and the igniter 7 The wire 10 is connected to the transformer 9 and the power supply 11 outside the sealing device. By adjusting the external voltage, the corresponding heating value of the ignition coil can be changed, thereby creating different ignition temperatures. At the same time, the material and the number of turns of the ignition coil 8 can also be changed according to the experimental requirements. , so as to meet the experimental requirements. Specifically, combine figure 2 , the igniter 7 of the present embodiment includes four rectangular symmetrically distributed ignition pillars 701 (located at the four vertices of the rectangle respectively) and a base for instal...

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Abstract

The invention discloses a droplet evaporation and combustion device with observation and shooting convenience and an experimental method and belongs to the technical field of combustion experimental devices. The device comprises a sealing device, a gas supply mechanism, an ignition mechanism and a thermocouple propulsion mechanism. The gas supply mechanism provides gas for the sealing device. Theignition mechanism is used for ignition of fuel. The thermocouple propulsion mechanism comprises a thermocouple, a pushing trolley and a driving mechanism. The thermocouple is mounted on the pushing trolley. A sensing end of the thermocouple stretches out of the pushing trolley. The driving mechanism is connected to the pushing trolley and is used for driving and controlling the motion of the pushing trolley. The device is suitable for studying droplet evaporation or flame change during evaporation or combustion of droplets. The device has a simple overall structure, is easy to operate, produces small experimental result errors and produces accurate and reliable results.

Description

technical field [0001] The invention belongs to the technical field of combustion experiment devices, and more particularly relates to a droplet evaporation and combustion device and an experiment method that are convenient for observation and shooting. Background technique [0002] Nanofluid is a new type of energy that is emerging to replace petroleum fuels, that is, by adding nano-scale particles to traditional fuels, the traditional fuels are modified, thereby improving the combustion efficiency of fuels, reducing the ignition delay of fuels, etc., but fuel The combustion process is divided into many stages. In order to further develop nanofluid fuels, it is necessary to further understand the properties of nanofluids. Therefore, it is very important to explore the effects of different types of nanoparticles, different sizes of nanoparticles, and different concentrations of nanoparticles on the combustion properties of nanofluids such as ignition delay and ignition tempe...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N31/12G01N25/14
CPCG01N25/14G01N31/12
Inventor 孙运兰韩伟康朱宝忠石伟陈颖何成雨
Owner ANHUI UNIVERSITY OF TECHNOLOGY
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