CN109030706A - A kind of combustion experimental device for preventing powder from reuniting in transit - Google Patents

A kind of combustion experimental device for preventing powder from reuniting in transit Download PDF

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Publication number
CN109030706A
CN109030706A CN201810568060.1A CN201810568060A CN109030706A CN 109030706 A CN109030706 A CN 109030706A CN 201810568060 A CN201810568060 A CN 201810568060A CN 109030706 A CN109030706 A CN 109030706A
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CN
China
Prior art keywords
powder
capillary
housing
hose
pipeline
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Pending
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CN201810568060.1A
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Chinese (zh)
Inventor
李军伟
周心远
徐司雨
韩磊
王燕宾
王宁飞
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Beijing Institute of Technology BIT
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Beijing Institute of Technology BIT
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Application filed by Beijing Institute of Technology BIT filed Critical Beijing Institute of Technology BIT
Priority to CN201810568060.1A priority Critical patent/CN109030706A/en
Publication of CN109030706A publication Critical patent/CN109030706A/en
Pending legal-status Critical Current

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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N31/00Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroup; Apparatus specially adapted for such methods
    • G01N31/12Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroup; Apparatus specially adapted for such methods using combustion

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  • Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Combustion & Propulsion (AREA)
  • Molecular Biology (AREA)
  • Engineering & Computer Science (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Or Analyzing Materials Using Thermal Means (AREA)

Abstract

The present invention relates to a kind of combustion experimental devices for preventing powder from reuniting in transit, belong to mechanical engineering field.The present invention includes high pressure gas cylinder, and pressure reducer, valve, flowmeter, hose, air inlet pipe, powder tank, motor, stirring bar, capillary, pipeline is several, pedestal, housing, ignition wire, reaction vessel and spectrometer.Combustion experimental device according to the present invention can not only be effectively prevented powder and reunite during transportation, Quick dredging capillary, guarantee the continuous smooth of powder supplies, moreover it is possible to the quickly heating burning in igniter by powder, and combustion process is detected with spectrometer.The combustion experimental device can guarantee efficiently, constantly powder supply, and have many advantages, such as structure it is simple, it is at low cost, be easily achieved.

Description

A kind of combustion experimental device for preventing powder from reuniting in transit
Technical field
The present invention relates to a kind of combustion experimental devices for preventing powder from reuniting in transit, in particular to a kind of to utilize motor The combustion experimental device that powder is reunited during transportation is prevented, mechanical engineering field is belonged to.
Background technique
With being constantly progressive for science and technology and popularizing for automated production mode, powder feeder unit is in many occasions It is used widely, such as metallurgy, medical treatment and each field of food processing.Stability when people work to powder feeder unit simultaneously More stringent requirements are proposed, most basic requirement be powder supply must it is continuous and cannot breaking down property interrupt.
And in currently used powder feeder unit, meal outlet mostly uses capillary to connect, and since capillary diameter is too small, holds Easily there is the case where powder reunion blocking capillary, powder supplies is caused to be interrupted.It therefore, is the continuous of guarantee powder supplies Smooth, designing a kind of can effectively prevent the powder feeder unit that powder is reunited in transit and is very important.
Summary of the invention
The problem of the purpose of the present invention is to solve powder reunion blocking capillaries, providing one kind prevents powder from transporting The combustion experimental device of middle reunion, the combustion experimental device are made of powder feeder unit, igniter and detection device three parts.
The purpose of the present invention is what is be achieved through the following technical solutions.
A kind of combustion experimental device for preventing powder from reuniting in transit, including powder feeder unit, igniter and detection dress It sets.Powder feeder unit includes high pressure gas cylinder, pressure reducer, valve, flowmeter, hose, air inlet pipe, powder tank, motor, stirring bar, Capillary and pipeline are several;Igniter includes reaction vessel, housing, pedestal and ignition wire;Detection device includes spectrometer.
Connection relationship: in powder feeder unit, between high pressure gas cylinder, pressure reducer, valve and flowmeter, pipeline phase is successively used Connection, air are sent into powder tank from high pressure gas cylinder by pipeline transportation and air inlet pipe.It is opened on the bottle cap of powder tank There are two apertures, install air inlet pipe and capillary herein, are respectively used to air inlet and out powder.The bottom of powder tank is also provided with small Stirring bar is protruded into powder tank from the aperture, and guarantees that movement interference does not occur with air inlet pipe and capillary in it by hole.Agitation Stick is fixedly connected with motor, and the two keeps rotating synchronously, and motor is mounted on the bottom of powder tank, and should be guaranteed that the outer of motor Shell can seal the aperture of powder tank bottom well.It should be noted that avoid remaining experimental provision because of the excitation of motor And vibrate, it needs that hose is added in the outlet end of the arrival end of air inlet pipe, capillary respectively, air inlet pipe and capillary should all pass through Hose could be connected with normal pipeline.When the vibration of motor is transferred to hose, the particularity meeting decay amplitude of hose material reaches To the purpose of buffering vibration, reliability when whole system operation, safety and stability have been ensured.
The effect of above-mentioned powder feeder unit is to extract powder from storage tank, and igniter is supplied to burn. Igniter is arranged in the outlet end of capillary, is made of ignition wire, pedestal, housing and reaction vessel.There are two being opened in pedestal Aperture, intermediate aperture can light the powder in reaction vessel for installing ignition wire, ignition wire after being powered;Chassis side it is small Hole is used to convey the powder flowed out from capillary.Housing is placed on pedestal, and aperture is provided on housing, and powder is from capillary stream It after out, is transported up by the side opening of pedestal, enters combustion chamber using the aperture on housing.Combustion chamber by housing, pedestal and Reaction vessel is formed, and combustion reaction carries out here.Spectrometer is arranged near igniter as detection device, and right The reaction of combustion chamber is detected in igniter.
Air is depressurized through pressure reducer first from high pressure gas cylinder, then respectively through valve, flowmeter, hose and air inlet Pipe enters powder tank, and since stirring bar follows motor to rotate synchronously, the stirring action of stirring bar can make the powder one in storage tank It is straight to keep motion state without reuniting.Powder is sent from capillary blowout to igniting and is filled by the air-flow come out from air inlet pipe In setting.Wherein, due to the buffer function of hose, the vibration of powder tank will not influence the normal work of remaining device.
Powder is from inlet point fire device after capillary outflow, and powder is transported up from the aperture of chassis side, into housing It is interior, then the combustion chamber as composed by ignition wire, pedestal, housing and reaction vessel is entered by the aperture on housing, by ignition wire After energization, powder starts to burn.Spectrometer is responsible for detecting combustion reaction.
Beneficial effect
It, can not only using the mixing effect that motor rotates 1. the stirring bar being connected to the motor is protruded into tank inside by the present invention So that the powder for sinking to tank bottom originally is suspended, prevents from reuniting, powder is made to be easier to be blown out by air, and can dredge in time stifled The capillary of plug guarantees that powder supplies are continuously smooth.
2. combustion experimental device of the present invention is using hose as intermediate medium, buffer motor brings system its remaining part The vibration of part guarantees the reliability of system.
3. combustion experimental device structure according to the present invention is simple, at low cost, it is easy to accomplish, it can guarantee efficient, lasting Ground powder supply.
Detailed description of the invention
Fig. 1 is the connection schematic diagram of powder feeder unit in specific embodiment.
Wherein, 1-high pressure gas cylinder, 2-pressure reducers, 3-valves, 4-flowmeters, 5-pipelines, 6-hoses, 7-air inlets Pipe, 8-motors, 9-stirring bars, 10-powder tanks, 11-capillaries, 12-pedestals, 13-housings, 14-ignition wires, 15-reaction vessels, 16-spectrometers.
Specific embodiment
Objects and advantages in order to better illustrate the present invention, below with reference to figure and specific embodiment come to the present invention into Row further instruction.
Embodiment 1
The combustion experimental device that the present invention prevents agglomerates poly- using motor is as shown in Figure 1, include high pressure gas cylinder 1, decompression Device 2, valve 3, flowmeter 4, pipeline 5, hose 6, air inlet pipe 7, motor 8, stirring bar 9, powder tank 10, capillary 11, pedestal 12, housing 13, ignition wire 14, reaction vessel 15, spectrometer 16.
Connection relationship: stored with compressed air in high pressure gas cylinder 1, between high pressure gas cylinder 1 and pressure reducer 2, pressure reducer 2 and valve Between door 3, between valve 3 and flowmeter 4, it is all made of pipeline 5 and is connected.Stirring bar 9 is fixedly connected with motor 8, and the two is kept It rotates synchronously.Motor 8 is fixed on 10 bottom of powder tank, and 10 bottom of powder tank is provided with aperture, and stirring bar 9 is protruded into from the aperture In powder tank 10.Opened on the bottle cap of powder tank 10 there are two aperture, air inlet pipe 7 and capillary 11 be installed respectively, for into Gas and out powder.
Hose 6 should be added between the air inlet pipe 7 and pipeline 5 to be attached as intermediate medium, motor rotation generates Vibration when being transmitted to hose 6 by air inlet pipe 7, hose 6 can decay vibration, to ensure high pressure gas cylinder 1, pressure reducer 2, valve 3, flowmeter 4, stability of the pipeline 5 when system is run.
The capillary 11 should be added hose 6 in its outlet end, the vibration of ignition system is passed to for buffer motor It is dynamic.
The air inlet pipe 7, the length for protruding into powder tank 10 should be greater than capillary 11 and protrude into powder tank 10 Length, and capillary should keep certain distance with the pile of grounds in tank, cannot extend into pile of grounds.
The course of work: air first passes around pressure reducer and is depressurized from high pressure gas cylinder, then respectively through valve, stream Meter, hose and air inlet pipe enter powder tank, and since motor rotates bring stirring action, the powder in storage tank can be in tank Motion state is kept, capillary is brought by air-flow, continues to transport to ignition system by hose.
Powder is from inlet point fire device after capillary outflow, and powder is transported up from the aperture of 12 side of pedestal, into lid In cover 13, then is entered by the aperture on housing 13 and fired as composed by ignition wire 14, pedestal 12, housing 13 and reaction vessel 15 Room is burnt, after ignition wire is powered, powder starts to burn.Spectrometer 16 is responsible for detecting combustion reaction.
Above description has been further described the object, technical solutions and advantages of the present invention, should be understood that It is that the foregoing is merely a specific embodiment of the invention, are used to explain the present invention, the protection model being not intended to limit the present invention It encloses, all within the spirits and principles of the present invention, any modification, equivalent substitution, improvement and etc. done should be included in the present invention Protection scope within.

Claims (1)

1. a kind of combustion experimental device for preventing powder from reuniting in transit, including powder feeder unit, igniter and detection device. Powder feeder unit includes high pressure gas cylinder, pressure reducer, valve, flowmeter, hose, air inlet pipe, powder tank, motor, stirring bar, capillary Pipe and pipeline are several;Igniter includes reaction vessel, housing, pedestal and ignition wire;Detection device is spectrometer.
Air in high pressure gas cylinder enters powder tank by pipeline;It is disposed with and subtracts according to gas flow direction on pipeline Depressor, valve and flowmeter;It is connected between pipeline and air inlet pipe by hose;Stirring bar is installed in the powder tank;Electricity Machine drives stirring bar prolonged agitation powder, so that powder is remained that motion state will not reunite, while being also easier to by gas Stream blowout;After the powder is blown out by air-flow, enter igniter by capillary and hose, it is upward from the aperture of chassis side Transport enters as composed by ignition wire, pedestal, housing and reaction vessel into housing finally by the aperture on housing Combustion chamber, after ignition wire is powered, powder starts to burn;Spectrometer is responsible for detecting combustion reaction.
CN201810568060.1A 2018-06-05 2018-06-05 A kind of combustion experimental device for preventing powder from reuniting in transit Pending CN109030706A (en)

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CN201810568060.1A CN109030706A (en) 2018-06-05 2018-06-05 A kind of combustion experimental device for preventing powder from reuniting in transit

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Application Number Priority Date Filing Date Title
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Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1947858A (en) * 2006-09-30 2007-04-18 西北工业大学 Controllable powder feeding apparatus and method for controlled powder feeding
CN201007473Y (en) * 2006-08-04 2008-01-16 吕尧波 Micro mist fuel combustion plant
CN102114972A (en) * 2010-11-10 2011-07-06 中南大学 Uniform adjustable powder feeding device
CN104237452A (en) * 2014-10-15 2014-12-24 中国科学院山西煤炭化学研究所 Continuous combustion device for solid powder
CN104923398A (en) * 2015-06-08 2015-09-23 湖州同泰新材料有限公司 White carbon black ultramicro fine powder iron removal device
CN106904446A (en) * 2017-04-28 2017-06-30 中国航天空气动力技术研究院 A kind of powder feeder
CN107381057A (en) * 2017-09-04 2017-11-24 北京金航智造科技有限公司 A kind of micro-nano powder powder feeder that uninterrupted powder feeding can be achieved
CN107855036A (en) * 2017-11-30 2018-03-30 上海昂莱机电东台有限公司 A kind of flocculant powder adding set
CN107866188A (en) * 2017-11-02 2018-04-03 西安交通大学 A kind of pusher fuel combination micro feeding device

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201007473Y (en) * 2006-08-04 2008-01-16 吕尧波 Micro mist fuel combustion plant
CN1947858A (en) * 2006-09-30 2007-04-18 西北工业大学 Controllable powder feeding apparatus and method for controlled powder feeding
CN102114972A (en) * 2010-11-10 2011-07-06 中南大学 Uniform adjustable powder feeding device
CN104237452A (en) * 2014-10-15 2014-12-24 中国科学院山西煤炭化学研究所 Continuous combustion device for solid powder
CN104923398A (en) * 2015-06-08 2015-09-23 湖州同泰新材料有限公司 White carbon black ultramicro fine powder iron removal device
CN106904446A (en) * 2017-04-28 2017-06-30 中国航天空气动力技术研究院 A kind of powder feeder
CN107381057A (en) * 2017-09-04 2017-11-24 北京金航智造科技有限公司 A kind of micro-nano powder powder feeder that uninterrupted powder feeding can be achieved
CN107866188A (en) * 2017-11-02 2018-04-03 西安交通大学 A kind of pusher fuel combination micro feeding device
CN107855036A (en) * 2017-11-30 2018-03-30 上海昂莱机电东台有限公司 A kind of flocculant powder adding set

Non-Patent Citations (1)

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Title
给登 等: "《火焰的结构 辐射与温度》", 31 March 1965 *

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Application publication date: 20181218