CN1308613C - Apparatus and method for fuel flow stable supply of gas torch - Google Patents
Apparatus and method for fuel flow stable supply of gas torch Download PDFInfo
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- CN1308613C CN1308613C CNB200610038282XA CN200610038282A CN1308613C CN 1308613 C CN1308613 C CN 1308613C CN B200610038282X A CNB200610038282X A CN B200610038282XA CN 200610038282 A CN200610038282 A CN 200610038282A CN 1308613 C CN1308613 C CN 1308613C
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- connecting tube
- gas burner
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Abstract
The present invention relates to a device and a method for the fuel flow stable supply of a gas torch. The device is composed of a gas burner (1), a connecting pipe (2), a liquid gas cylinder (3) and a fuel pipe (3-1), wherein the gas burner (1) is connected with the liquid gas cylinder (3) by the connecting pipe (2); the outlet end of the fuel pipe (3-1) is connected with the lower part of the connecting pipe (2), and the inlet end of the fuel pipe (3-1) is immersed in liquid state fuel. The present invention adopts a method of gasifying liquid gas outside the liquid gas cylinder (3). Namely, when burn is occurs in the gas burner (1), the fuel in the liquid gas cylinder (3) which is in a liquid state enters the fuel pipe from the inlet end of the fuel pipe (3-1), flows out the liquid gas cylinder (3), enters the connecting pipe (2), and the fuel is vaporized and gasified in the connecting pipe to enter the gas burner (1) to be burned to generate gas flame. Temperature and pressure in the liquid gas cylinder are kept stable, which guarantees the stable flow of the fuel gas which enters the gas burner, keeps the stable burn of the gas flame, and does not gradually reduce the dimension of the gas flame.
Description
Technical field
The present invention relates to a kind of gas torch fuel flow stable provisioning technique field, especially a kind ofly under any ambient atmosphere environment, can both provide stable gaseous fuel device and method for gas torch burning.
Background technique
When holding, megaevent generally all to carry out Torch Relay long-distance running activity, the common athletic meeting torch using gases fuel of delivering in relays, fuel type is hydrocarbon class A fuel A, adopt the liquid gas cartridge fueling, have that igniting is quick, operation is simple and easy, flame is adjusted advantages such as control, safety easily, widely-used by all previous athletic meeting.
Gaseous fuel enters gas burner and burns after the reduction valve decompression in the liquid gas cartridge, produces gas flame.For keeping gas torch smooth combustion, guarantee that the torch flame size can not reduce gradually, necessarily requires to enter the fuel gas stability of flow of gas burner.Hydrocarbon class A fuel A exists with the gas-liquid saturation state in the liquid gas cartridge, along with gaseous fuel flows out from liquid gas cartridge, liquid fuel needs constantly evaporation gasification in the liquid gas cartridge, for gas burner provides the fuel of gaseous state, keeps the normal smooth combustion of torch flame with this.On the other hand, liquid fuel evaporation gasification process need absorbs a large amount of heats in the liquid gas cartridge, make the interior temperature of liquid gas cartridge sharply descend, the liquid gas cartridge internal pressure also significantly reduces thereupon, the fuel gas flow that causes flowing out liquid gas cartridge sharply reduces, and the fuel gas flow that enters gas burner descends rapidly, the gas flame size decreases, even can not keep torch flame smooth combustion, cause gas flame to be put out by extraneous wind-force.
The liquid gas cartridge that athletic meeting relay torch before the present invention is adopted, its inner fuel pipe is very short, the import of fuel pipe is exposed in the vaporized fuel, fuel is directly to flow out from liquid gas cartridge with gaseous state in the liquid gas cartridge, after the reduction valve decompression, enter gas burner, liquid fuel evaporation gasification occurs in the liquid gas cartridge, its shortcoming is that temperature sharply descends in time in the liquid gas cartridge, the liquid gas cartridge internal pressure also significantly reduces thereupon, the fuel gas flow that causes flowing out liquid gas cartridge sharply reduces, and can not guarantee the normal smooth combustion of torch flame.
Summary of the invention
Technical problem to be solved by this invention is the device and method that proposes the stable supply of a kind of gas torch fuel, for the gas flame stabilizing burning provides fuel gas safe and reliable, stability of flow.
Technological scheme provided by the present invention is: a kind of gas torch fuel flow stable feeding mechanism, this device is made up of gas burner, connecting tube, liquid flow controller, liquid gas cartridge, fuel pipe, gas burner and liquid gas cartridge adopt connecting tube to connect, connecting tube is provided with liquid flow controller, the outlet end of fuel pipe and the bottom of connecting tube link, and are provided with air tube and one-way valve in the junction of fuel pipe and connecting tube; Perhaps the bottom of connecting tube directly is connected with the bottom of liquid gas cartridge; The entrance point of fuel pipe or connecting tube is immersed in the liquid fuel of liquid gas cartridge fully, liquid fuel is directly flowed out from liquid gas cartridge through fuel pipe or connecting tube, the liquid flow controller of flowing through, enter connecting tube, connecting tube is coiled in and is connected with gas burner after the top of gas burner or connecting tube are coiled in the gas burner outer wall, and perhaps the top of connecting tube directly is connected with gas burner.
Gas torch fuel flow stable Supply Method, liquid fuel carries out the method for LNG gasifaction in the liquid gas cartridge in the pipeline of liquid flow controller and connecting tube, that is: when the gas burner burning takes place, make fuel in the liquid gas cartridge enter fuel pipe from the entrance point of fuel pipe with liquid condition, flow out liquid gas cartridge, enter connecting tube through liquid flow controller, the heat that gas flame produces heats connecting tube, make described fuel after the in-tube evaporation gasification of connecting tube, thereby the fuel of guaranteeing to enter gas burner is to enter gas burner behind the gaseous state, and the generation gas flame burns.
The present invention has following advantage: igniting is quick, operation is simple and easy, flame is adjusted control easily, because whole liquid fuel evaporation gasification occurs in the pipeline of connecting tube, temperature, pressure are stablized in the liquid gas cartridge, assurance enters the fuel gas stability of flow of gas burner, the size that guarantees the mix flare burner gas flame can not reduce gradually, keeps the gas flame stabilizing burning.
Description of drawings
Describe the present invention in detail below in conjunction with the drawings and specific embodiments.
Fig. 1-1 is a structural representation of the present invention, and Fig. 1-2 is an another kind of structural representation of the present invention.
Wherein: 1: gas burner 2: connecting tube 2-1: liquid flow controller
3: liquid gas cartridge 3-1: fuel pipe 3-2: one-way valve
3-3: air tube
Embodiment
A kind of gas torch fuel flow stable feeding mechanism shown in Fig. 1-1 and 1-2, this device is made up of gas burner 1, connecting tube 2, liquid flow controller 2-1, liquid gas cartridge 3, fuel pipe 3-1, gas burner 1 and liquid gas cartridge 3 adopt connecting tube 2 to connect, connecting tube 2 is provided with liquid flow controller 2-1, the bottom of the outlet end of fuel pipe 3-1 and connecting tube 2 links, and is provided with air tube 3-3 and one-way valve 3-2 in the junction of fuel pipe 3-1 and connecting tube 2; Perhaps the bottom of connecting tube 2 directly is connected with the bottom of liquid gas cartridge 3; The entrance point of fuel pipe 3-1 or connecting tube 2 is immersed in the liquid fuel of liquid gas cartridge 3 fully, liquid fuel is directly flowed out from liquid gas cartridge 3 through fuel pipe 3-1 or connecting tube 2, liquid flow controller 2-1 flows through, enter connecting tube 2, connecting tube 2 is coiled in and is connected with gas burner 1 after the top of gas burner 1 or connecting tube 2 are coiled in gas burner 1 outer wall, and perhaps the top of connecting tube 2 directly is connected with gas burner 1.
Gas torch fuel flow stable Supply Method, liquid fuel carries out the method for LNG gasifaction in the liquid gas cartridge 3 in the pipeline of liquid flow controller 2-1 and connecting tube 2, that is: when gas burner 1 burning takes place, make fuel in the liquid gas cartridge 3 enter fuel pipe 3-1 from the entrance point of fuel pipe 3-1 with liquid condition, flow out liquid gas cartridge 3, liquid flow controller 2-1 flows through, enter connecting tube 2, the heat that gas flame produces heats connecting tube 2, make described fuel after the in-tube evaporation gasification of connecting tube 2, thereby the fuel of guaranteeing to enter gas burner 1 is to enter gas burner 1 behind the gaseous state, and the generation gas flame burns.
Shown in Fig. 1-1 and 1-2, when burning takes place, jack-up liquid gas cartridge 3 upwards, the air tube 3-3 on liquid gas cartridge 3 tops heads into connecting tube 2, and the one-way valve 3-2 of liquid gas cartridge 3 is backed down, fuel are to enter fuel pipe 3-1 with liquid condition from the entrance point of fuel pipe 3-1 in the liquid gas cartridge 3, flow out liquid gas cartridge 3, the liquid flow controller 2-1 that flows through enters connecting tube 2, enter gas burner 1, the generation gas flame burns;
After adopting connecting tube 2 to be coiled in the top of gas burner 1 or connecting tube 2 to be coiled in gas burner 1 outer wall during with structure that gas burner is connected, the heat that gas flame produces heats connecting tube 2, make intact evaporation gasification of liquid fuels in the connecting tube 2, the fuel of guaranteeing to enter gas burner 1 is gaseous state; Whole liquid fuel vaporization gasification occurs in the pipeline of liquid flow controller 2-1 and connecting tube 2, keep temperature, pressure stability in the liquid gas cartridge 3, assurance enters the fuel gas stability of flow of gas burner 1, keep the gas flame stabilizing burning, the gas flame size can not reduce gradually.
The kind difference of liquefied fuel in the liquid gas cartridge 3, corresponding saturation pressure is also inequality, for example:
Liquefied fuel is a butane in liquid gas cartridge 3, and during 0 ℃ of external temperature, saturation pressure is 106KPa in the corresponding liquid gas cartridge, and its saturation pressure is 215KPa in the time of 20 ℃, its saturation pressure 391KPa in the time of 40 ℃.
Liquefied fuel is the mixture of 75% butane and 25% propane in liquid gas cartridge 3, and during 0 ℃ of external temperature, saturation pressure is 201KPa in the corresponding liquid gas cartridge, and its saturation pressure is 376KPa in the time of 20 ℃, its saturation pressure 648KPa in the time of 40 ℃.
Because whole liquid fuel evaporation gasification occurs in the pipeline of connecting tube, temperature, pressure are stablized in the liquid gas cartridge 3, guarantee to enter the fuel gas stability of flow of gas burner.Therefore, the present invention can guarantee that the size of mix flare burner gas flame can not reduce gradually, keeps the gas flame stabilizing burning.
Claims (2)
1, a kind of gas torch fuel flow stable feeding mechanism, this device is made up of gas burner (1), connecting tube (2), liquid flow controller (2-1), liquid gas cartridge (3), fuel pipe (3-1), it is characterized in that, gas burner (1) and liquid gas cartridge (3) adopt connecting tube (2) to connect, connecting tube (2) is provided with liquid flow controller (2-1), the bottom of the outlet end of fuel pipe (3-1) and connecting tube (2) links, and is provided with air tube (3-3) and one-way valve (3-2) in the junction of fuel pipe (3-1) and connecting tube (2); The bottom of perhaps connecting tube (2) directly is connected with the bottom of liquid gas cartridge (3); The entrance point of fuel pipe (3-1) or connecting tube (2) is immersed in the liquid fuel of liquid gas cartridge (3) fully, liquid fuel is directly flowed out from liquid gas cartridge (3) through fuel pipe (3-1) or connecting tube (2), the liquid flow controller (2-1) of flowing through, enter connecting tube (2), connecting tube (2) coils that its top is connected with gas burner (1) behind the outer wall of gas burner (1), and the top of perhaps connecting tube (2) directly is connected with gas burner (1).
2, a kind of gas torch fuel flow stable Supply Method, it is characterized in that the interior liquid fuel of liquid gas cartridge (3) carries out the method for LNG gasifaction in the pipeline of liquid flow controller (2-1) and connecting tube (2), that is: when gas burner (1) burning takes place, make the interior fuel of liquid gas cartridge (3) enter fuel pipe (3-1) from the entrance point of fuel pipe (3-1) with liquid condition, flow out liquid gas cartridge (3), enter connecting tube (2) through liquid flow controller (2-1), the heat that gas flame produces heats connecting tube (2), make described fuel after the in-tube evaporation gasification of connecting tube (2), thereby the fuel of guaranteeing to enter gas burner (1) is to enter gas burner (1) behind the gaseous state, and the generation gas flame burns.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB200610038282XA CN1308613C (en) | 2006-02-14 | 2006-02-14 | Apparatus and method for fuel flow stable supply of gas torch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB200610038282XA CN1308613C (en) | 2006-02-14 | 2006-02-14 | Apparatus and method for fuel flow stable supply of gas torch |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1807962A CN1807962A (en) | 2006-07-26 |
| CN1308613C true CN1308613C (en) | 2007-04-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB200610038282XA Expired - Fee Related CN1308613C (en) | 2006-02-14 | 2006-02-14 | Apparatus and method for fuel flow stable supply of gas torch |
Country Status (1)
| Country | Link |
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| CN (1) | CN1308613C (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100400963C (en) * | 2007-03-15 | 2008-07-09 | 中国航天科工集团公司第三研究院第三十一研究所 | Device for combusting stably of gas flame torch |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2590651A2 (en) * | 1985-11-25 | 1987-05-29 | Applic Gaz Sa | Container for a liquid gas, which may or may not be built into a working apparatus |
| CN2219447Y (en) * | 1995-03-31 | 1996-02-07 | 潘秀华 | Liquid fuel gasifier for liquified gas range |
| CN2256976Y (en) * | 1996-08-16 | 1997-06-25 | 江苏新能燃气设备有限公司 | Device capable of making liquid low-gravity hydrocarbon fuel automatically change into gas |
| CN2293753Y (en) * | 1997-07-14 | 1998-10-07 | 廉守礼 | Light hydrocarbon liquid fuel combustion apparatus for Chinese meal stove |
| CN2484468Y (en) * | 2001-06-06 | 2002-04-03 | 施佩希 | Heating apparatus |
| JP2002106788A (en) * | 2000-10-03 | 2002-04-10 | Matsushita Electric Ind Co Ltd | Liquefied petroleum gas evaporator |
-
2006
- 2006-02-14 CN CNB200610038282XA patent/CN1308613C/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2590651A2 (en) * | 1985-11-25 | 1987-05-29 | Applic Gaz Sa | Container for a liquid gas, which may or may not be built into a working apparatus |
| CN2219447Y (en) * | 1995-03-31 | 1996-02-07 | 潘秀华 | Liquid fuel gasifier for liquified gas range |
| CN2256976Y (en) * | 1996-08-16 | 1997-06-25 | 江苏新能燃气设备有限公司 | Device capable of making liquid low-gravity hydrocarbon fuel automatically change into gas |
| CN2293753Y (en) * | 1997-07-14 | 1998-10-07 | 廉守礼 | Light hydrocarbon liquid fuel combustion apparatus for Chinese meal stove |
| JP2002106788A (en) * | 2000-10-03 | 2002-04-10 | Matsushita Electric Ind Co Ltd | Liquefied petroleum gas evaporator |
| CN2484468Y (en) * | 2001-06-06 | 2002-04-03 | 施佩希 | Heating apparatus |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1807962A (en) | 2006-07-26 |
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