CN113028394A - Liquid fuel atomizing burner for laboratory - Google Patents
Liquid fuel atomizing burner for laboratory Download PDFInfo
- Publication number
- CN113028394A CN113028394A CN201911352189.XA CN201911352189A CN113028394A CN 113028394 A CN113028394 A CN 113028394A CN 201911352189 A CN201911352189 A CN 201911352189A CN 113028394 A CN113028394 A CN 113028394A
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- China
- Prior art keywords
- liquid fuel
- burner
- atomizing
- nozzle
- laboratory
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D11/00—Burners using a direct spraying action of liquid droplets or vaporised liquid into the combustion space
- F23D11/10—Burners using a direct spraying action of liquid droplets or vaporised liquid into the combustion space the spraying being induced by a gaseous medium, e.g. water vapour
- F23D11/12—Burners using a direct spraying action of liquid droplets or vaporised liquid into the combustion space the spraying being induced by a gaseous medium, e.g. water vapour characterised by the shape or arrangement of the outlets from the nozzle
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D11/00—Burners using a direct spraying action of liquid droplets or vaporised liquid into the combustion space
- F23D11/36—Details, e.g. burner cooling means, noise reduction means
Abstract
The invention discloses a liquid fuel atomization burner for laboratories, which comprises a burner main body and an atomization nozzle, wherein the atomization nozzle is arranged in the burner main body in an inverted mode, the inner side of the burner main body and the outer side of the atomization nozzle define a liquid fuel area, and the inner side of the atomization nozzle and the bottom of the burner main body define a liquid fuel atomization area; the bottom of the combustor main body is provided with a compressed air inlet, and the top of the atomizing nozzle is provided with a nozzle opening. The invention has the advantages of simple structure, reasonable design and easy manufacture, improves the structure of the direct injection atomization burner, ensures that the liquid fuel does not need to have higher flow velocity when passing through the nozzle, uses the airflow of compressed air to drive the liquid fuel to generate spray, achieves the aim of final ignition and combustion, and creates new conditions for researching the combustion characteristic of the liquid combustion.
Description
Technical Field
The invention relates to the technical field of combustors, in particular to a liquid fuel atomization type combustor for a laboratory.
Background
Liquid fuel combustion by atomization is a good method for enabling liquid fuel to be sufficiently combusted. At present, there are three main methods for atomizing liquids: one is heating atomization, in which liquid is combusted and evaporated by heating, and then the evaporated liquid is taken out by airflow and then ignited, which is common in electronic cigarettes, but is not safe for combustion atomization; the second one is ultrasonic atomization, in which liquid is vibrated into small liquid droplet particles by ultrasonic vibration to complete atomization, and the method is applied to the design of an air humidifier in a large scale; the third is the use of small diameter liquid nozzles to atomize the liquid at high velocity through the nozzle, a mode widely used for combustion in automotive internal combustion engines.
Disclosure of Invention
The invention discloses a liquid fuel atomizing burner for a laboratory, which adopts a novel liquid fuel atomizing mode.
In order to achieve the purpose, the invention adopts the following technical scheme:
the liquid fuel atomizing burner for the laboratory comprises a burner main body and an atomizing nozzle, wherein the atomizing nozzle is inversely arranged in the burner main body, the inner side of the burner main body and the outer side of the atomizing nozzle form a liquid fuel area, and the inner side of the atomizing nozzle and the bottom of the burner main body form the liquid fuel atomizing area; the combustor main part bottom sets up compressed air inlet, the nozzle mouth has been seted up at atomizing nozzle's top.
As a further preferred aspect of the present invention, the inverted atomizing nozzle is in contact with a tapered surface of the bottom of the burner body, and the liquid fuel enters the liquid fuel atomizing area from the liquid fuel area through the contact surface.
As a further preferred aspect of the present invention, the liquid fuel area contains liquid fuel, and the laboratory liquid fuel is gasoline or ethanol.
As a further preferable mode of the present invention, a circular liquid anti-overflow cover is further fixedly disposed on the top of the liquid fuel region, a contact portion of the liquid anti-overflow cover and the atomizing nozzle is sealed, and a 1mm gap is left between the liquid anti-overflow cover and the burner main body.
As a further preferred aspect of the present invention, a through hole is formed in the middle of the liquid overflow prevention cover, the through hole is adapted to a nozzle opening of the atomizing nozzle, and the nozzle opening passes through the through hole and protrudes upward for igniting the liquid fuel.
As a further preferred aspect of the present invention, a joint between the through hole and the nozzle opening is sealed by a rubber ring.
As a further preferred aspect of the present invention, the burner body is funnel-shaped.
As a further preferred form of the invention, the atomising nozzle is conical.
As a further preferred aspect of the present invention, the aperture of the atomizing nozzle is smaller than the aperture of the burner body.
In a further preferred embodiment of the present invention, the aperture of the compressed air inlet is larger than the aperture of the nozzle opening.
As a further preferable mode of the present invention, the compressed air inlet is connected to an external high pressure gas cylinder, and the high pressure gas cylinder is provided with a control valve.
The invention has the advantages of simple structure, reasonable design and easy manufacture, improves the structure of the direct injection atomizing burner, the conical atomizing nozzle is inversely arranged in the funnel-shaped burner main body, the caliber of the nozzle opening at the top of the atomizing nozzle is far smaller than that of the compressed air inlet, so that the compressed air can drive the liquid fuel to atomize in the liquid fuel atomizing area, and the liquid fuel sprayed from the nozzle opening is in a fine fog drop shape.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic top view of the structure of fig. 1.
Wherein, 1-a burner body; 2-liquid overflow-proof cover; 3-an atomizing nozzle; 4-a compressed air inlet; 5-liquid fuel zone; 6-liquid fuel atomization zone; 7-a gap; 8-nozzle opening.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Examples
As shown in fig. 1 and 2, the liquid fuel atomizing burner for the laboratory comprises a burner body 1 and an atomizing nozzle 3, wherein the atomizing nozzle 3 is arranged in the burner body 1 in an inverted manner, the atomizing nozzle 3 is matched with the burner body 1, and the atomizing nozzle 3 and the burner body 1 are easily available in the laboratory; the inner side of the burner body 1 and the outer side of the atomizing nozzle 3 enclose a liquid fuel area 5, liquid fuel commonly used in a laboratory is added into the liquid fuel area 5, the inner side of the atomizing nozzle 3 and the bottom of the burner body 1 enclose a liquid fuel atomizing area 6, and the liquid fuel is driven by high-pressure compressed air flow to be sprayed upwards in the liquid fuel atomizing area 6; the bottom of the burner body 1 is provided with a compressed air inlet 4, the top of the atomizing nozzle 3 is provided with a nozzle opening 8, and the upward-spraying liquid fuel meets the ignition and combustion conditions when spraying fine fog drops at the nozzle opening 8.
Specifically, the inverted atomizing nozzle 3 contacts with the conical surface at the bottom of the burner body 1, the liquid fuel enters the liquid fuel atomizing area 6 from the liquid fuel area 5 through the contact surface, and after a sufficient amount of compressed air is introduced, the air flow blows the atomizing nozzle 3 to generate slight vibration, so that a gap is formed at the contact position of the atomizing nozzle 3 and the burner body 1, and a small amount of liquid fuel is allowed to enter the liquid fuel atomizing area 6 through the gap.
In particular, the liquid fuel area 5 contains liquid fuel, which is usually gasoline or ethanol for laboratory use.
Particularly, a circular liquid anti-overflow cover 2 is fixedly arranged at the top of the liquid fuel area 5, the contact part of the liquid anti-overflow cover 2 and the atomizing nozzle 3 is sealed, and a 1mm gap 7 is reserved between the liquid anti-overflow cover 2 and the burner main body 1 to maintain the air pressure balance of the liquid fuel atomizing area 6; the main function of the liquid spill cap 2 is to prevent the flammable liquid from directly contacting the flame above the nozzle orifice 8, causing combustion to occur at the surface of the liquid.
In particular, the middle of the liquid overflow-proof cover 2 is provided with a through hole which is matched with a nozzle opening 8 of the atomizing nozzle 3, and the nozzle opening 8 penetrates through the through hole and extends upwards to be used for igniting liquid fuel.
Particularly, the joint of the through hole and the nozzle opening 8 is sealed by a rubber ring to prevent liquid leakage.
In particular, the burner body 1 is funnel-shaped and can be divided into a liquid fuel region 5 and a liquid fuel atomization region 6, and the bottom end of the burner body can be introduced with compressed air.
Particularly, the atomizing nozzle 3 is conical, the burner body 1 is ingeniously divided into a liquid fuel area 5 and a liquid fuel atomizing area 6, and a nozzle opening 8 at the top end of the atomizing nozzle 3 is used for igniting liquid fuel.
As a further preferred aspect of the present invention,
particularly, the aperture of the atomizing nozzle 3 is smaller than that of the burner body 1, so that the atomizing nozzle 3 is in contact with the bottom conical surface of the burner body 1.
Particularly, the caliber of the compressed air inlet 4 is larger than that of the nozzle opening 8, compressed air enters from a large caliber and is sprayed out from a small caliber, and atomization and spraying of liquid fuel are facilitated.
Particularly, the compressed air inlet 4 is connected with an external high-pressure gas cylinder, the high-pressure gas cylinder is provided with a control valve, and the gas flow rate of the compressed air can be adjusted by regulating the opening degree of the control valve, so that the purpose of controlling the form of the combustion flame is achieved.
Example 1
When ethanol is used as the liquid fuel, the use method comprises the following steps:
(1) the conical atomizing nozzle 3 is arranged on the conical surface below the combustion nozzle in an inverted mode;
(2) then filling ethanol into the liquid fuel area 5, and covering a liquid anti-overflow cover 2 above the ethanol solution;
(3) connecting a high-pressure gas cylinder with a compressed air inlet 4 at the bottom end of the burner main body 1, opening a control valve on the high-pressure gas cylinder, and adjusting the gas flow rate of the high-pressure gas until uniform and fine droplets are sprayed out from a conical atomizing nozzle 3;
(4) after the fine droplets are uniformly sprayed for 5 seconds, igniting the fine droplets at a position close to the nozzle opening 8 of the conical atomizing nozzle 3 by using a lighter;
(5) the shape of the combustion flame was controlled by adjusting the gas flow rate of the compressed air until the flame shape required for the experiment was achieved.
Example 2
When the gasoline is used as the liquid fuel, the use method comprises the following steps:
(1) the conical atomizing nozzle 3 is arranged on the conical surface below the combustion nozzle in an inverted mode;
(2) then gasoline is filled into the liquid fuel area 5, and a liquid anti-overflow cover 2 is covered above the gasoline solution;
(3) connecting a high-pressure gas cylinder with a compressed air inlet 4 at the bottom end of the burner main body 1, opening a control valve on the high-pressure gas cylinder, and adjusting the gas flow rate of the high-pressure gas until uniform and fine droplets are sprayed out from a conical atomizing nozzle 3;
(4) after the fine droplets are uniformly sprayed for 5 seconds, igniting the fine droplets at a position close to the nozzle opening 8 of the conical atomizing nozzle 3 by using a lighter;
(5) the shape of the combustion flame was controlled by adjusting the gas flow rate of the compressed air until the flame shape required for the experiment was achieved.
It is to be understood that the above description is not intended to limit the present invention, and the present invention is not limited to the above examples, and those skilled in the art may make modifications, alterations, additions or substitutions within the spirit and scope of the present invention.
Claims (11)
1. The liquid fuel atomizing burner for the laboratory is characterized by comprising a burner main body and an atomizing nozzle, wherein the atomizing nozzle is inversely arranged in the burner main body, the inner side of the burner main body and the outer side of the atomizing nozzle enclose a liquid fuel area, and the inner side of the atomizing nozzle and the bottom of the burner main body enclose a liquid fuel atomizing area; the combustor main part bottom sets up compressed air inlet, the nozzle mouth has been seted up at atomizing nozzle's top.
2. The liquid fuel atomizing burner for laboratories as set forth in claim 1, wherein said upside-down atomizing nozzle is in contact with a tapered surface of a bottom portion of the burner body, the atomizing nozzle floats by blowing of compressed air, a gap is formed at a contact portion of the atomizing nozzle with the burner body, and liquid fuel enters the liquid fuel atomizing area from the liquid fuel area through the gap.
3. The laboratory liquid fuel atomizing burner as set forth in claim 2, wherein said liquid fuel compartment contains liquid fuel, and the laboratory liquid fuel is gasoline or ethanol.
4. The liquid fuel atomizing burner for the laboratory according to claim 3, wherein a circular liquid anti-overflow cover is fixedly arranged at the top of the liquid fuel area, the contact part of the liquid anti-overflow cover and the atomizing nozzle is sealed, and a 1mm gap is reserved between the liquid anti-overflow cover and the burner body.
5. The liquid fuel atomizing burner for laboratories according to claim 4, wherein a through hole is formed in the middle of said liquid overflow preventing cover, and said through hole is adapted to a nozzle opening of the atomizing nozzle, said nozzle opening penetrating through the through hole and protruding upward for ignition of the liquid fuel.
6. The liquid fuel atomizing burner for laboratories according to claim 5, wherein the junction of said through hole and said nozzle opening is sealed with a rubber ring.
7. The laboratory liquid fuel atomizing burner as set forth in claim 4, wherein said burner body is funnel-shaped.
8. The laboratory liquid fuel atomizing burner as set forth in claim 4, wherein said atomizing nozzle is conical.
9. The laboratory liquid fuel atomizing burner as set forth in claim 8, wherein a caliber of said atomizing nozzle is smaller than a caliber of the burner body.
10. The laboratory liquid fuel atomizing burner of claim 1, wherein the compressed air inlet has a larger caliber than the nozzle opening.
11. The liquid fuel atomizing burner for laboratories according to claim 10, wherein said compressed air inlet is connected to an external high pressure gas cylinder, and a control valve is provided on the high pressure gas cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911352189.XA CN113028394B (en) | 2019-12-25 | 2019-12-25 | Liquid fuel atomizing burner for laboratory |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911352189.XA CN113028394B (en) | 2019-12-25 | 2019-12-25 | Liquid fuel atomizing burner for laboratory |
Publications (2)
| Publication Number | Publication Date |
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| CN113028394A true CN113028394A (en) | 2021-06-25 |
| CN113028394B CN113028394B (en) | 2022-12-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911352189.XA Active CN113028394B (en) | 2019-12-25 | 2019-12-25 | Liquid fuel atomizing burner for laboratory |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB546747A (en) * | 1941-01-27 | 1942-07-29 | Vernon Anthony Trier | Improvements relating to apparatus for spraying liquids |
| JPH08332427A (en) * | 1995-06-09 | 1996-12-17 | Funai Electric Co Ltd | Atomizer |
| JP2004074007A (en) * | 2002-08-16 | 2004-03-11 | Fuji Photo Film Co Ltd | Solidification apparatus for waste photographic processing liquid |
| US20090114236A1 (en) * | 2007-11-06 | 2009-05-07 | Luminess Lp | Airbrush makeup application system and methods of use |
| CN204555163U (en) * | 2015-03-17 | 2015-08-12 | 艾美特电器（深圳）有限公司 | A kind of gasifying type humidifier |
| CN109317325A (en) * | 2017-08-01 | 2019-02-12 | 深圳市帝拓电子有限公司 | A kind of suction type essential oil atomisation device |
| CN208943124U (en) * | 2018-05-08 | 2019-06-07 | 侯华正 | A kind of low-residual type atomizing cup |
-
2019
- 2019-12-25 CN CN201911352189.XA patent/CN113028394B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB546747A (en) * | 1941-01-27 | 1942-07-29 | Vernon Anthony Trier | Improvements relating to apparatus for spraying liquids |
| JPH08332427A (en) * | 1995-06-09 | 1996-12-17 | Funai Electric Co Ltd | Atomizer |
| JP2004074007A (en) * | 2002-08-16 | 2004-03-11 | Fuji Photo Film Co Ltd | Solidification apparatus for waste photographic processing liquid |
| US20090114236A1 (en) * | 2007-11-06 | 2009-05-07 | Luminess Lp | Airbrush makeup application system and methods of use |
| CN204555163U (en) * | 2015-03-17 | 2015-08-12 | 艾美特电器（深圳）有限公司 | A kind of gasifying type humidifier |
| CN109317325A (en) * | 2017-08-01 | 2019-02-12 | 深圳市帝拓电子有限公司 | A kind of suction type essential oil atomisation device |
| CN208943124U (en) * | 2018-05-08 | 2019-06-07 | 侯华正 | A kind of low-residual type atomizing cup |
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| Publication number | Publication date |
|---|---|
| CN113028394B (en) | 2022-12-20 |
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| TA01 | Transfer of patent application right |
Effective date of registration: 20221124 Address after: Yanan City, Shandong province Qingdao City three road 266071 No. 218 Applicant after: Chemical registration center of emergency management department Applicant after: Sinopec Safety Engineering Research Institute Co.,Ltd. Address before: Yanan City, Shandong province Qingdao City three road 266071 No. 218 Applicant before: Chemical registration center of emergency management department Applicant before: SINOPEC Research Institute OF SAFETY ENGINEERING |
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