CN205941489U - Measure hydrocarbon fuel laminar flame burning rate's bunsen burner experimental apparatus - Google Patents
Measure hydrocarbon fuel laminar flame burning rate's bunsen burner experimental apparatus Download PDFInfo
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- CN205941489U CN205941489U CN201620880538.0U CN201620880538U CN205941489U CN 205941489 U CN205941489 U CN 205941489U CN 201620880538 U CN201620880538 U CN 201620880538U CN 205941489 U CN205941489 U CN 205941489U
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- bunsen burner
- current stabilization
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- pump
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Abstract
The utility model provides a measure hydrocarbon fuel laminar flame burning rate's bunsen burner experimental apparatus, include that fuel charge -in system, atomizing system, stationary flow mix the system in advance, bunsen burner system and bunsen burner air intake system, oil feed system and atomizing system are connected, and atomizing system mixes the headtotail with the stationary flow in advance, and the stationary flow mixes system and bunsen burner headtotail in advance, and bunsen burner system and bunsen burner air intake system are connected. The utility model is suitable for a liquid hydrocarbon fuel laminar flame burning rate's measurement to provide the reference for all kinds of combustors designs and chemical reaction model verification.
Description
Technical field
This utility model is related to the detection of liquid carbon hydrogen fuel laminar burning velocity, refers specifically to a kind of measurement hydrocarbon fuel layer
The Bunsen burner experimental provision of stream flame velocity.
Background technology
Liquid carbon hydrogen fuel mainly by petroleum refining, such as common gasoline, diesel oil and aerial kerosene etc., its energy density
Big and easy acquisition, is still the main energy sources of all kinds of thermal power machineries at present.Common liquid carbon hydrogen fuel has larger
Molecular weight and stickiness, therefore so that its fully burning tool in the dynamic equipment of all kinds of heat is acquired a certain degree of difficulty, and study laminar burning velocity pair
The combustion characteristics fully realizing fuel has valuable help, and this is significant to the efficiency of combustion improving hydrocarbon fuel.
Bunsen burner device is easy to operate, structure simple, is the common method of measurement laminar burning velocity, but common use at present
In gaseous fuel.Additionally, in traditional Bunsen burner device, fuel enters from bottom, and air is entered by both sides and and fuel
Mixing, and it is not properly suited for the liquid carbon hydrogen fuel of this utility model consideration, therefore this utility model fills to traditional Bunsen burner
Put and improve, so that it is applied to the measurement of liquid carbon hydrogen fuel laminar flame burning velocity, thus setting for all kinds of burners
Meter and Chemical Reaction Model checking provide reference.
Utility model content
The purpose of this utility model is a kind of Bunsen burner experimental provision of measurement hydrocarbon fuel laminar flame burning velocity.
This utility model is achieved by the following technical solution：
A kind of Bunsen burner experimental provision of measurement hydrocarbon fuel laminar flame burning velocity, including fuel feed system, mist
Change system, current stabilization premixing system, Bunsen burner system and Bunsen burner gas handling system, oil feeding system is connected with atomization system, atomization system
System is connected with current stabilization premixing system, and current stabilization premixing system is connected with Bunsen burner system, Bunsen burner system and Bunsen burner gas handling system
Connect；
Described fuel feed system includes fuel tank, fuel emission pump and control chamber, and described fuel tank fuel outlet passes through pipeline
Connect fuel emission pump fuel inlet, control chamber is electrically connected with fuel emission pump；
The fuel inlet of described atomization system connects fuel emission pump fuel outlet by pipeline, and atomization system is sent out with fuel
Penetrate the pipeline between pump and be provided with the first rotor effusion meter, the first rotor effusion meter is electrically connected with control chamber；
Described current stabilization premixing system includes the second air pump, the first sonic nozzle effusion meter and current stabilization premix barrel, described steady
The center of stream premix barrel fuel inlet is provided with a centre bore, and the centre bore of described current stabilization premix barrel passes through pipeline and atomization system
Fuel outlet connect；The circumference of centre bore is uniformly provided with three air inflow openings；The outlet of described second air pump is provided with one
Bar house steward A, house steward A are provided with the first sonic nozzle effusion meter, and the outlet of house steward A is provided with 3 arm A, described 3 arm A
It is connected with three air inflow openings of current stabilization premix barrel respectively, and three air inflow openings of 3 arm A and current stabilization premix barrel
Junction be equipped with spinning disk；
Described Bunsen burner system includes Bunsen burner, and described Bunsen burner bottom centre is provided with a centre bore, the week of centre bore
To being uniformly provided with three air inflow openings；The centre bore of described Bunsen burner is passed through pipeline and is connected with the fuel outlet of current stabilization premix barrel
Connect, the centre bore of described Bunsen burner is provided with the first heating tape, the first heating tape and Bunsen burner with the pipeline of current stabilization premix barrel
It is provided with the first thermocouple between centre bore；
Described Bunsen burner gas handling system includes the second heating tape, the second sonic nozzle effusion meter, the 3rd air pump and second
Thermocouple, the outlet of described 3rd air pump is provided with house steward B, and the outlet of house steward B is provided with 3 arm B, and 3 described arm B divide
It is not connected with three air inflow openings of Bunsen burner bottom, and 3 arm B and three air inflow openings of Bunsen burner bottom
Junction is equipped with spinning disk；On described house steward B, along the 3rd air pump to the direction of Bunsen burner on be sequentially provided with the second velocity of sound
Nozzle flowmeter, the second heating tape and the second thermocouple.
Further, described atomization system includes the first air pump, the second spinner flowmeter and quartz glass nebulizer, described
The outlet of the first air pump is connected with the air inlet of quartz glass nebulizer by pipeline, and quartz glass atomizer fuel entrance leads to
Piping connects fuel emission pump fuel outlet, and the fuel outlet of quartz glass nebulizer connects current stabilization premix barrel by pipeline
Centre bore；On pipeline between the first air pump and quartz glass nebulizer for described second spinner flowmeter.
Further, described atomization system includes high pressure nozzle, and the fuel inlet of described high pressure nozzle connects combustion by pipeline
Material emission pump fuel outlet, the nozzle of high pressure nozzle connects the centre bore of current stabilization premix barrel.
Further, described Bunsen burner system also includes Bunsen burner base, and described Bunsen burner base is in laboratory table.
Described Bunsen burner includes Bunsen burner base, premix section and steady flow segment.Bunsen burner base is placed in laboratory table, bottom
The centre bore in portion and three air inflow openings, the air entering in the same direction and fuel first mix in premix section, subsequently together
Enter the steady flow segment after expansion, and igniting forms flame in Bunsen burner exit position.
Described current stabilization premix barrel is liquid carbon hydrogen fuel atomization and the place with air pre-mixing.The centre bore of entrance is stone
The connecting hole of English glass atomizer (or high pressure nozzle), centre bore circumference is uniformly distributed three skies in the form of equilateral triangle
Gas air inlet, and the spinning disk installing additional is for changing the air inlet type of flow, thus promoting center liquid fuel atomizing.Tentatively pre-
Mixed fuel and air subsequently pass through the steady flow segment of an expansion, form recirculating zone, to stablize mixed air-flow speed.
Described quartz glass nebulizer (or high pressure nozzle) is used for liquid carbon hydrogen fuel and is atomized.
Described the first rotor effusion meter detects fuel-displaced flow, and flow signal is sent to control chamber, and control chamber passes through
The working condition controlling fuel emission pump adjusts fuel-displaced flow.
The first described thermocouple is used for monitoring the fuel temperature before entering Bunsen burner, and the second thermocouple is used for monitoring entrance
Air themperature before Bunsen burner, to investigate the impact to liquid carbon hydrogen fuel laminar burning velocity for the condition of different temperatures.
The first described heating tape is used for pre- warm premixing gas, and the second heating tape is used for preheating entrance Bunsen burner experimental provision
Air, the former is the abundant carburation by evaporation in order to promote liquid fuel, and the latter is to provide for variable intake air temperature.
Beneficial effect：
(1) the Bunsen burner experimental provision described in has easy to operate, the simple feature of structure.
(2) both high pressure oil burner nozzle can be may also be employed using quartz glass nebulizer when fuel oil is atomized for the first time and carry out liquid fuel
Atomization.
(3) at the fuel inlet of current stabilization premix barrel and Bunsen burner all using the strengthening of three bursts of high-speed rotational to fuel atomizing and
It is mutually mixed, this is promoted with being mutually mixed of air well to fuel atomizing and fuel.
(4) install heating tape and thermocouple additional before Bunsen burner fuel and air intlet, on the one hand can promote liquid carbon further
Hydrogen fuel fully evaporates atomization, on the other hand can obtain different intake air temperature, realizes condition of different temperatures underflow flame special
The experimentation of property.
(5) the Bunsen burner experimental provision described in changes the traditional intake method of Bunsen burner, Bunsen burner in this utility model
The entrance of fuel and the entrance of air be all from the bottom up, be in the same direction；And the employing of atomising device, spinning disk, heating tape
Lab fuel is expanded in liquid carbon hydrogen fuel, can be the design of all kinds of burners and Chemical Reaction Model checking offer reference.
Brief description
Fig. 1 is structural representation of the present utility model；
Fig. 2 is the structural representation of current stabilization premix barrel, and wherein, A is the view of feed end, and B is overall schematic；
Fig. 3 is the structural representation of Bunsen burner, wherein, profile centered on A, B is upward view.
In figure：1- fuel tank, 2- fuel emission pump, 3- the first rotor effusion meter, 4- control chamber, 5- first air pump, 6-
Two spinner flowmeters, 7- quartz glass nebulizer, 8- second air pump, 9- the first sonic nozzle effusion meter, 10- current stabilization premixes
Pipe, 11- first heating tape, 12- first thermocouple, 13- Bunsen burner, 14- Bunsen burner base, 15- second heating tape, 16- second
Sonic nozzle effusion meter, 17- the 3rd air pump, 18- second thermocouple.
Specific embodiment
Below in conjunction with the accompanying drawings this utility model is further described：
As shown in figure 1, a kind of Bunsen burner experimental provision of measurement hydrocarbon fuel laminar flame burning velocity, enter including fuel
Material system, atomization system, current stabilization premixing system, Bunsen burner system and Bunsen burner gas handling system, oil feeding system is with atomization system even
Connect, atomization system is connected with current stabilization premixing system, current stabilization premixing system is connected with Bunsen burner system, Bunsen burner system and Bunsen burner
Gas handling system connects；
Described fuel feed system includes fuel tank 1, fuel emission pump 2 and control chamber 4, and described fuel tank 1 fuel outlet passes through
Pipeline connects fuel emission pump 2 fuel inlet, and control chamber 4 is electrically connected with fuel emission pump 2；
The fuel inlet of described atomization system connects fuel emission pump 2 fuel outlet, atomization system and fuel by pipeline
Pipeline between emission pump 2 is provided with the first rotor effusion meter 3, and the first rotor effusion meter 3 is electrically connected with control chamber 4；
Described current stabilization premixing system includes the second air pump 8, the first sonic nozzle effusion meter 9 and current stabilization premix barrel 10, institute
The center stating current stabilization premix barrel 10 fuel inlet is provided with a centre bore, the centre bore of described current stabilization premix barrel 10 pass through pipeline with
The fuel outlet of atomization system connects；The circumference of centre bore is uniformly provided with three air inflow openings；The going out of described second air pump 8
Mouth is provided with a house steward A, and house steward A is provided with the first sonic nozzle effusion meter 9, and the outlet of house steward A is provided with 3 arm A, described
Article 3, arm A is connected with three air inflow openings of current stabilization premix barrel 10 respectively, and 3 arm A and the three of current stabilization premix barrel 10
The junction of individual air inflow openings is equipped with spinning disk；The structure of described current stabilization premix barrel 10 is shown in Fig. 2.
Described Bunsen burner system includes Bunsen burner 13, and described Bunsen burner 13 bottom centre is provided with a centre bore, centre bore
Circumference be uniformly provided with three air inflow openings；The centre bore of described Bunsen burner 13 passes through the fuel of pipeline and current stabilization premix barrel 10
Outlet connects, and the centre bore of described Bunsen burner 13 and the pipeline of current stabilization premix barrel 10 are provided with the first heating tape 11, the first heat tracing
With being provided with the first thermocouple 12 between 11 and the centre bore of Bunsen burner 13；The structure of described Bunsen burner is shown in Fig. 3.
Described Bunsen burner gas handling system includes the second heating tape 15, the second sonic nozzle effusion meter 16, the 3rd air pump 17
With the second thermocouple 18, the outlet of described 3rd air pump 17 is provided with house steward B, and the outlet of house steward B is provided with 3 arm B, described
Article 3, arm B is connected with three air inflow openings of Bunsen burner 13 bottom respectively, and 3 arm B and the three of Bunsen burner 13 bottom
The junction of individual air inflow openings is equipped with spinning disk；On described house steward B, along the 3rd air pump 17 to the direction of Bunsen burner 13
On be sequentially provided with the second sonic nozzle effusion meter 16, the second heating tape 15 and the second thermocouple 18.
Described atomization system includes the first air pump 5, the second spinner flowmeter 6 and quartz glass nebulizer 7, and described first
The outlet of air pump 5 is connected with the air inlet of quartz glass nebulizer 7 by pipeline, and quartz glass nebulizer 7 fuel inlet leads to
Piping connects fuel emission pump 2 fuel outlet, and the fuel outlet of quartz glass nebulizer 7 connects current stabilization premix barrel by pipeline
10 centre bore；Described second spinner flowmeter 6 is on the pipeline between the first air pump 5 and quartz glass nebulizer 7.
Described atomization system includes high pressure nozzle, and the fuel inlet of described high pressure nozzle connects fuel emission pump by pipeline
2 fuel outlets, the nozzle of high pressure nozzle connects the centre bore of current stabilization premix barrel 10.
Described Bunsen burner system also includes Bunsen burner base 14, and described Bunsen burner base 14 is in laboratory table.
Below, the operation principle of device described in the utility model is described：
(1) liquid carbon hydrogen fuel being stored in fuel tank 1 passes through stone via fuel oil emission pump 2 and the first rotor effusion meter 3
The fuel inlet of English glass atomizer 7 enters quartz glass nebulizer 7, and fuel flow is by the fltting speed control of fuel emission pump 2
System, control chamber 4 is for detecting the signal and the fltting speed oil pump capacity adjusting fuel emission pump 2 that spinner flowmeter 3 sends.
(2) air being flowed out by the first air pump 5 passes through the air inlet of quartz glass nebulizer 7 through the second spinner flowmeter 6
Mouth enters quartz glass nebulizer 7, thus carrying out primary atomization to hydrocarbon fuel.First air pump 5, the second spinner herein
Meter 6 and quartz glass nebulizer 7 can directly replace with high pressure nozzle, and liquid fuel can be directly through fuel oil emission pump 2 and first turn
Subflow gauge 3 carries out primary atomization by high pressure nozzle, so can save 5,6 partly described intake process in Fig. 1.
(3) premix gas enters in current stabilization premix barrel 10, and the air being flowed out by the second air pump 8 is through the first sonic nozzle flow
Meter 9 three strands of high velocity airs of formation, form eddy flow through spinning disk in premix barrel, thus carry out secondary to the first fuel being atomized
Atomization, accelerates the blending of fuel and air, and the stretched steady flow segment of subsequent mixed airflow realizes current stabilization.Go out from current stabilization premix barrel 10
The gaseous mixture coming is preheated through one section of heating tape before entering Bunsen burner, realizes the abundant carburation by evaporation of fuel oil.First heat
Galvanic couple 12 is used for monitoring the fuel temperature before entering Bunsen burner.
(4) before entering Bunsen burner, gas mixing pipe road end is provided with the second thermocouple 18 and premix temperature degree is monitored.
The air that 3rd air pump 17 flows out forms three strands of high velocity airs through the second sonic nozzle effusion meter 16, the second heating tape 15,
Same air inlet gaseous mixture realization third time atomization after spinning disk to Bunsen burner 13 bottom, thus realize liquid carbon hydrogen fuel
Fully atomization and the blending with air, final premix gas subsequently enters the steady flow segment of Bunsen burner, and igniting is formed in exit
Flame.This air inlet can change air inflow obtaining different air-fuel ratios, and changes intake air temperature to realize different temperatures
Fuel and the mixing of oxidant, thus obtain the Bunsen flame with different combustion characteristics.
Claims (4)
1. a kind of Bunsen burner experimental provision of measurement hydrocarbon fuel laminar flame burning velocity enters it is characterised in that including fuel
Material system, atomization system, current stabilization premixing system, Bunsen burner system and Bunsen burner gas handling system, oil feeding system is with atomization system even
Connect, atomization system is connected with current stabilization premixing system, current stabilization premixing system is connected with Bunsen burner system, Bunsen burner system and Bunsen burner
Gas handling system connects；
Described fuel feed system includes fuel tank (1), fuel emission pump (2) and control chamber (4), described fuel tank (1) fuel outlet
Fuel emission pump (2) fuel inlet is connected by pipeline, control chamber (4) is electrically connected with fuel emission pump (2)；
The fuel inlet of described atomization system connects fuel emission pump (2) fuel outlet by pipeline, and atomization system is sent out with fuel
Penetrate the pipeline between pump (2) and be provided with the first rotor effusion meter (3), the first rotor effusion meter (3) is electrically connected with control chamber (4)；
Described current stabilization premixing system includes the second air pump (8), the first sonic nozzle effusion meter (9) and current stabilization premix barrel (10),
The center of described current stabilization premix barrel (10) fuel inlet is provided with a centre bore, and the centre bore of described current stabilization premix barrel (10) passes through
Pipeline is connected with the fuel outlet of atomization system；The circumference of centre bore is uniformly provided with three air inflow openings；Described second air
The outlet of pump (8) is provided with a house steward A, and house steward A is provided with the first sonic nozzle effusion meter (9), and the outlet of house steward A is provided with 3
Arm A, 3 described arm A are connected with three air inflow openings of current stabilization premix barrel (10) respectively, and 3 arm A with steady
The junction of three air inflow openings of stream premix barrel (10) is equipped with spinning disk；
Described Bunsen burner system includes Bunsen burner (13), and described Bunsen burner (13) bottom centre is provided with a centre bore, centre bore
Circumference be uniformly provided with three air inflow openings；The centre bore of described Bunsen burner (13) passes through pipeline and current stabilization premix barrel (10)
Fuel outlet connects, and the centre bore of described Bunsen burner (13) and the pipeline of current stabilization premix barrel (10) are provided with the first heating tape
(11), it is provided with the first thermocouple (12) between the centre bore of the first heating tape (11) and Bunsen burner (13)；
Described Bunsen burner gas handling system includes the second heating tape (15), the second sonic nozzle effusion meter (16), the 3rd air pump
(17) and the second thermocouple (18), the outlet of described 3rd air pump (17) is provided with house steward B, and the outlet of house steward B is provided with 3 arms
B, 3 described arm B are connected with three air inflow openings of Bunsen burner (13) bottom respectively, and 3 arm B and Bunsen burner
(13) junction of three air inflow openings of bottom is equipped with spinning disk；On described house steward B, along the 3rd air pump (17) extremely
Second sonic nozzle effusion meter (16), the second heating tape (15) and the second thermocouple are sequentially provided with the direction of Bunsen burner (13)
(18).
2. the Bunsen burner experimental provision of a kind of measurement hydrocarbon fuel laminar flame burning velocity according to claim 1, its
It is characterised by, described atomization system includes the first air pump (5), the second spinner flowmeter (6) and quartz glass nebulizer (7),
The outlet of described first air pump (5) is connected with the air inlet of quartz glass nebulizer (7) by pipeline, quartz glass nebulizer
(7) fuel inlet connects fuel emission pump (2) fuel outlet by pipeline, and the fuel outlet of quartz glass nebulizer (7) passes through
Pipeline connects the centre bore of current stabilization premix barrel (10)；Described second spinner flowmeter (6) is located at the first air pump (5) and quartzy glass
On pipeline between glass nebulizer (7).
3. the Bunsen burner experimental provision of a kind of measurement hydrocarbon fuel laminar flame burning velocity according to claim 1, its
It is characterised by, described atomization system includes high pressure nozzle, the fuel inlet of described high pressure nozzle connects fuel transmitting by pipeline
Pump (2) fuel outlet, the nozzle of high pressure nozzle connects the centre bore of current stabilization premix barrel (10).
4. the Bunsen burner experimental provision of a kind of measurement hydrocarbon fuel laminar flame burning velocity according to claim 1, its
It is characterised by, described Bunsen burner system also includes Bunsen burner base (14), and described Bunsen burner base (14) is in laboratory table.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620880538.0U CN205941489U (en) | 2016-08-12 | 2016-08-12 | Measure hydrocarbon fuel laminar flame burning rate's bunsen burner experimental apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620880538.0U CN205941489U (en) | 2016-08-12 | 2016-08-12 | Measure hydrocarbon fuel laminar flame burning rate's bunsen burner experimental apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205941489U true CN205941489U (en) | 2017-02-08 |
Family
ID=57920547
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620880538.0U Withdrawn - After Issue CN205941489U (en) | 2016-08-12 | 2016-08-12 | Measure hydrocarbon fuel laminar flame burning rate's bunsen burner experimental apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205941489U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106153817A (en) * | 2016-08-12 | 2016-11-23 | 江苏大学 | A kind of Bunsen burner experimental provision measuring hydrocarbon fuel laminar flame burning velocity |
| CN109324084A (en) * | 2017-07-31 | 2019-02-12 | 泰奥星（天津）有限公司 | A kind of open flash point analyzer |
-
2016
- 2016-08-12 CN CN201620880538.0U patent/CN205941489U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106153817A (en) * | 2016-08-12 | 2016-11-23 | 江苏大学 | A kind of Bunsen burner experimental provision measuring hydrocarbon fuel laminar flame burning velocity |
| CN106153817B (en) * | 2016-08-12 | 2018-02-27 | 江苏大学 | A kind of Bunsen burner experimental provision for measuring hydrocarbon fuel laminar flame burning velocity |
| CN109324084A (en) * | 2017-07-31 | 2019-02-12 | 泰奥星（天津）有限公司 | A kind of open flash point analyzer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20170208 Effective date of abandoning: 20180227 |