CN108361694B - Combustion apparatus with air amplifier - Google Patents
Combustion apparatus with air amplifier Download PDFInfo
- Publication number
- CN108361694B CN108361694B CN201710057428.3A CN201710057428A CN108361694B CN 108361694 B CN108361694 B CN 108361694B CN 201710057428 A CN201710057428 A CN 201710057428A CN 108361694 B CN108361694 B CN 108361694B
- Authority
- CN
- China
- Prior art keywords
- air amplifier
- virtual
- along
- air
- section
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
- F23D14/02—Premix gas burners, i.e. in which gaseous fuel is mixed with combustion air upstream of the combustion zone
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
- F23D14/46—Details, e.g. noise reduction means
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Gas Burners (AREA)
- Air Supply (AREA)
Abstract
The invention relates to a combustion device with an air amplifier, which comprises a body and the air amplifier, wherein the air amplifier is arranged in the body, a fuel channel is arranged in the air amplifier in a penetrating way along a virtual through shaft in an axial extending way, the fuel channel comprises an inlet section and an outlet section, a middle section is arranged between the inlet section and the outlet section, the width of the middle section along the virtual through shaft is smaller than that of the inlet section and the outlet section along the virtual through shaft in a radial direction, a plurality of side channels respectively extending along a virtual extending line in the axial direction are arranged in the air amplifier in a penetrating way, the virtual extending line does not pass through the virtual through shaft, one end of each side channel is communicated with the fuel channel, and the other end of each side channel is connected with the outer, through the structure, the airflow in the combustion device can form vortex, so that the fuel gas and the air are uniformly mixed, and the blowing-out distance of hot air is increased.
Description
Technical Field
The present invention relates to a combustion apparatus, and more particularly, to a combustion apparatus having an air amplifier.
Background
Please refer to the patent of CN201510185729.5, "an air amplifier capable of increasing air flow", which is an air amplifier capable of increasing air flow, and includes an outer cover and an inner liner inserted into the outer cover, wherein the outer cover is provided with a through hole, and the inner liner is folded at a portion corresponding to the through hole, such that a sealed space formed between the outer cover and the inner liner is communicated with the through hole for receiving external compressed air; a gap communicated with the closed space is formed between the air inlet end part of the lining and the outer sleeve, and the gap is communicated with an air channel in the lining; the inner wall of the air inlet end part is in a round angle shape, so that air flowing in through the through hole, the closed space and the gap generates a coanda effect on the round angle-shaped inner wall.
Generally, the interior of a fuel tank to which a combustion apparatus is connected is in a high-pressure state, and after fuel gas in the fuel tank is released by the combustion apparatus, air is mixed and ignited, a jet flame or hot air can be formed.
However, the conventional combustion apparatus is not provided with an air amplifier, and the combustion apparatus blows hot air only by the pressure in the fuel tank, so that the problem of insufficient air volume is often caused.
Disclosure of Invention
The invention provides a combustion device with an air amplifier, which mainly aims to provide a combustion device comprising a body and the air amplifier, wherein the air amplifier is arranged on the body and comprises an inlet end and an outlet end opposite to the inlet end, a fuel channel is axially arranged in the air amplifier in a penetrating way along a virtual transverse axis, two different ends of the fuel channel are respectively connected with the inlet end and the outlet end, the fuel channel comprises an inlet section adjacent to the inlet end and an outlet section adjacent to the outlet end, a middle section is arranged between the inlet section and the outlet section, the inlet section is gradually reduced from the inlet end to the middle section along the radial width of the virtual transverse axis, the outlet section is gradually expanded from the middle section to the outlet end along the radial width of the virtual transverse axis, this interlude is less than this inlet section and this export section along this virtual radial width of penetrating the axle along this virtual, this air amplifier wears to be equipped with the several and follows the side passageway of a virtual extension line axial extension respectively, this virtual extension line is not through this virtual axle that penetrates, this side passageway's one end intercommunication this fuel passageway and the different other end are connected in this air amplifier's outer peripheral edges, the air current in can making this burner can form the vortex through above-mentioned structure, except that make fuel gas and air mixture more even, can increase this burner simultaneously and blow off hot-blast distance of blowing off.
The side channel can passively introduce air from outside the air amplifier.
The side passage is connected to the outlet section of the fuel passage.
The distance from one end of the side channel adjacent to the outer periphery of the air amplifier to the inlet end along the virtual through axis is smaller than the distance from one end of the side channel adjacent to the fuel channel to the inlet end along the virtual through axis.
The outlet end of the air amplifier is connected with an extension pipe, and the width of an inner hole of the extension pipe along the radial direction of the virtual transverse axis is equal to the maximum width of the outlet section along the radial direction of the virtual transverse axis.
The extension pipe is provided with a self-cooler at one end different from the air amplifier, the inner space of the self-cooler comprises a central area and a peripheral area, the peripheral area surrounds the central area along the outer side of the virtual through shaft in the radial direction, gas blown out by the extension pipe is mainly blown out from the central area, and the peripheral area can suck air from one side different from the extension pipe.
The body is provided with a gas feeder and a trigger, the trigger is connected with the gas feeder, the trigger can control the opening and closing of the gas feeder, and the inlet end is connected with the gas feeder.
Drawings
Fig. 1 is a perspective external view of a combustion apparatus having an air amplifier according to the present invention.
Fig. 2 is an exploded perspective view of the combustion device with an air amplifier of the present invention.
Fig. 3 is a sectional view showing a combustion apparatus having an air amplifier according to the present invention.
Fig. 4 is a view showing a state of use of the combustion apparatus having an air amplifier according to the present invention.
Fig. 5 is a partially enlarged view showing a state of use of the combustion apparatus having an air amplifier according to the present invention.
Fig. 6 is a view showing another perspective of the combustion apparatus having an air amplifier according to the present invention.
Description of reference numerals: 10-a combustion device; 20-body; 21-a gas supply; 22-a trigger; 30-an air amplifier; 31-an inlet end; 32-an outlet end; 33-a fuel channel; 331-an inlet section; 332-an outlet section; 333-middle section; 34-side channel; 35-an extension tube; 36-self-cooling; 361-central region; 362-peripheral region; l-a virtual transverse axis; c-virtual extension line.
Detailed Description
Referring to fig. 1 to 3, there are shown a perspective external view, an exploded perspective view, and a sectional structure view of a combustion apparatus having an air amplifier according to the present invention. The combustion apparatus 10 of the present invention comprises a body 20 and an air amplifier 30; wherein:
the body 20 is provided with a gas supplier 21 and a trigger 22, the trigger 22 is connected to the gas supplier 21, and the trigger 22 can control the on/off of the gas supplier 21.
The air amplifier 30 is disposed on the body 20, the air amplifier 30 includes an inlet end 31 and an outlet end 32 opposite to the inlet end 31, the inlet end 31 is connected to the gas supplier 21, a fuel channel 33 axially extends along a virtual through axis L in the air amplifier 30, and two different ends of the fuel channel 33 are respectively connected to the inlet end 31 and the outlet end 32.
The fuel passage 33 includes an inlet section 331 adjacent to the inlet end 31 and an outlet section 332 adjacent to the outlet end 32, and a middle section 333 is disposed between the inlet section 331 and the outlet section 332, the inlet section 331 tapers along the radial width of the virtual axis L from the inlet end 31 to the middle section 333, the outlet section 332 tapers along the radial width of the virtual axis L from the middle section 333 to the outlet end 32, and the radial width of the middle section 333 along the virtual axis L is smaller than the radial width of the inlet section 331 and the outlet section 332 along the virtual axis L.
The air amplifier 30 is provided with a plurality of side channels 34 extending axially along a virtual extension line C, the virtual extension line C does not pass through the virtual through axis L (as shown in fig. 6), one end of the side channel 34 is communicated with the fuel channel 33 and the other end is connected to the outer periphery of the air amplifier 30, the distance from the end of the side channel 34 adjacent to the outer periphery of the air amplifier 30 to the inlet end 31 along the axial direction of the virtual through axis L is smaller than the distance from the end of the side channel 34 adjacent to the fuel channel 33 to the inlet end 31 along the axial direction of the virtual through axis L, the side channel 34 can passively introduce air from the outside of the air amplifier 30, and the side channel 34 is connected to the outlet section 332 of the fuel channel 33.
An extension tube 35 is connected to the outlet end 32 of the air amplifier 30, and the inner hole width of the extension tube 35 along the virtual transverse axis L is equal to the maximum width of the outlet section 332 along the virtual transverse axis L.
An end of the extension pipe 35 different from the air amplifier 30 is provided with a self-cooler 36, an inner space of the self-cooler 36 includes a central area 361 and a peripheral area 362, the peripheral area 362 surrounds the central area 361 along a radial direction of the virtual axis L, the gas blown out from the extension pipe 35 is mainly blown out from the central area 361, and the peripheral area 362 can suck air from a side different from the extension pipe 35 to achieve a self-cooling effect.
Fig. 4 to 6 are views showing a state of use and a partially enlarged state of use of the combustion apparatus having an air amplifier according to the present invention. When the combustion apparatus 10 is in use, a user can press the trigger 22 to make the gas supplier 21 spray fuel gas into the air amplifier 30 and ignite the fuel gas, the fuel gas can enter from the inlet end 31 and pass through the fuel channel 33 and finally flow out from the outlet end 32, the air amplifier 30 can introduce external air through the plurality of side channels 34 in the process of the fuel gas passing through the fuel channel 33, the flow rate of hot air blown out by the combustion apparatus 10 is increased, and the plurality of side channels 34 are obliquely arranged, so that after the air enters the fuel channel 33 from the side channels 34 and is mixed with the fuel gas, the air flow in the combustion apparatus 10 can form a vortex, and besides that the fuel gas and the air are mixed more uniformly, the blowing distance of the hot air blown out by the combustion apparatus 10 can be increased.
In view of the above, it can be concluded that the present invention has the following advantages:
1. the invention relates to a combustion device with an air amplifier, wherein the combustion device comprises a body and the air amplifier, the air amplifier is arranged on the body, the air amplifier comprises an inlet end and an outlet end opposite to the inlet end, a fuel channel is axially extended and penetrated in the air amplifier along a virtual through shaft, two different ends of the fuel channel are respectively connected with the inlet end and the outlet end, the fuel channel comprises an inlet section adjacent to the inlet end and an outlet section adjacent to the outlet end, a middle section is arranged between the inlet section and the outlet section, the inlet section tapers from the inlet end to the middle section along the radial width of the virtual through shaft, the outlet section gradually expands from the middle section to the outlet end along the radial width of the virtual through shaft, and the width of the middle section along the radial direction of the virtual through shaft is smaller than that of the inlet section and the outlet section along the virtual through shaft To width, this air amplifier wears to be equipped with the several and follows the side passageway of a virtual extension line axial extension respectively, and this virtual extension line is not through this virtual through-shaft, and this fuel passageway of one end intercommunication and the different other end of this side passageway are connected in this air amplifier's outer peripheral edges, can make the air current in this burner form the vortex through above-mentioned structure, except that make fuel gas and air mixture more even, can increase this burner simultaneously and blow off hot-blast distance of blowing off.
The foregoing description is intended to be illustrative rather than limiting, and it will be appreciated by those skilled in the art that many modifications, variations, or equivalents may be made without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (6)
1. A combustion device having an air amplifier, comprising:
a body;
an air amplifier, the air amplifier sets up in this body, this air amplifier includes an entry end and an exit end opposite to this entry end, wear to be equipped with a fuel passageway along a virtual axis of penetration axial extension in this air amplifier, this fuel passageway different both ends connect respectively in this entry end and this exit end, this fuel passageway includes an entry section and an export section that is close to this entry end and a near this exit end and is provided with a interlude between this entry section and this export section, this entry section is the convergent along the radial width of this virtual axis of penetration from this entry end to this interlude direction, this export section is the flaring along the radial width of this virtual axis of penetration from this interlude to this exit end direction, this interlude is less than this entry section and this export section along the radial width of this virtual axis of penetration along this virtual axis of penetration radial width, the air amplifier is provided with a plurality of side channels which respectively extend along a virtual extension line in the axial direction, the virtual extension line does not pass through the virtual through shaft, one end of the side channel is communicated with the fuel channel, the other end of the side channel is different from the fuel channel and is connected with the outer periphery of the air amplifier, the outlet end of the air amplifier is connected with an extension pipe, one end of the extension pipe, which is different from the air amplifier, is provided with a self-cooler, the inner space of the self-cooler comprises a central area and a peripheral area, the peripheral area surrounds the central area along the outer side of the virtual through shaft in the radial direction, gas blown out by the extension pipe is blown out by the central area, and the peripheral area can suck air from one side, which is different from the extension pipe.
2. The combustion apparatus with an air amplifier of claim 1, wherein the side channel is capable of passively introducing air from outside the air amplifier.
3. The combustion apparatus with an air amplifier as claimed in claim 2, wherein the side channel is connected to the outlet section of the fuel channel.
4. A combustion unit according to claim 3 having an air amplifier, wherein the distance from the end of the side passage adjacent the outer periphery of the air amplifier to the inlet end along the imaginary through-axis direction is less than the distance from the end of the side passage adjacent the fuel passage to the inlet end along the imaginary through-axis direction.
5. A combustion unit with an air amplifier according to any one of claims 1-4, characterized in that the width of the inner bore of the extension tube in the direction of the virtual through axis is equal to the maximum width of the outlet section in the direction of the virtual through axis.
6. The combustion apparatus with air amplifier as claimed in claim 5, wherein the body is provided with a gas supplier and a trigger connected to the gas supplier, the trigger being capable of controlling the opening and closing of the gas supplier, the inlet port being connected to the gas supplier.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710057428.3A CN108361694B (en) | 2017-01-26 | 2017-01-26 | Combustion apparatus with air amplifier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710057428.3A CN108361694B (en) | 2017-01-26 | 2017-01-26 | Combustion apparatus with air amplifier |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108361694A CN108361694A (en) | 2018-08-03 |
| CN108361694B true CN108361694B (en) | 2020-03-10 |
Family
ID=63011424
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710057428.3A Active CN108361694B (en) | 2017-01-26 | 2017-01-26 | Combustion apparatus with air amplifier |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108361694B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI783881B (en) * | 2022-03-02 | 2022-11-11 | 愛烙達股份有限公司 | Torch head of blowtorch |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH102558A (en) * | 1996-06-14 | 1998-01-06 | Hitachi Ltd | Fuel nozzle for gas turbine combustor |
| CN2727563Y (en) * | 2004-09-10 | 2005-09-21 | 林槐泰 | Spray nozzle of gas hot blast tool |
| CN2727561Y (en) * | 2004-09-10 | 2005-09-21 | 林槐泰 | Improved gas hot blast gun |
| CN101900336A (en) * | 2009-05-25 | 2010-12-01 | 吉尔贝快车股份有限公司 | Hand tool |
| CN202484999U (en) * | 2012-03-13 | 2012-10-10 | 余姚市士森铜材厂 | Nozzle structure of gas device |
| CN203431866U (en) * | 2013-07-23 | 2014-02-12 | 杭州联途贸易有限公司 | Micro high-power gas burner |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103868063B (en) * | 2012-12-14 | 2016-01-13 | 爱烙达股份有限公司 | There is the burner of security |
| TW201541025A (en) * | 2014-04-22 | 2015-11-01 | Pro Iroda Ind Inc | Gas hot air gun head |
-
2017
- 2017-01-26 CN CN201710057428.3A patent/CN108361694B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH102558A (en) * | 1996-06-14 | 1998-01-06 | Hitachi Ltd | Fuel nozzle for gas turbine combustor |
| CN2727563Y (en) * | 2004-09-10 | 2005-09-21 | 林槐泰 | Spray nozzle of gas hot blast tool |
| CN2727561Y (en) * | 2004-09-10 | 2005-09-21 | 林槐泰 | Improved gas hot blast gun |
| CN101900336A (en) * | 2009-05-25 | 2010-12-01 | 吉尔贝快车股份有限公司 | Hand tool |
| CN202484999U (en) * | 2012-03-13 | 2012-10-10 | 余姚市士森铜材厂 | Nozzle structure of gas device |
| CN203431866U (en) * | 2013-07-23 | 2014-02-12 | 杭州联途贸易有限公司 | Micro high-power gas burner |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108361694A (en) | 2018-08-03 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| WO2006042796A3 (en) | Gas turbine burner | |
| JP2009156265A5 (en) | ||
| CA2528543A1 (en) | Fume gun | |
| TWI625492B (en) | Combustion device with air amplifier | |
| JP4863693B2 (en) | Two-fluid injection nozzle and oil burner | |
| CN105980777A (en) | Nozzle, burner, combustor, gas turbine, and gas turbine system | |
| GB2448460A (en) | Duel fuel gas-liquid burner | |
| CN108361694B (en) | Combustion apparatus with air amplifier | |
| US8333019B2 (en) | Laundry dryer having an air duct | |
| CN109154436A (en) | Import component | |
| MX2014013469A (en) | Universal head-mix swirl injector for gas torch. | |
| CN205742927U (en) | A kind of novel building spraying equipment | |
| CN206081409U (en) | Water base type fire extinguisher foggy sprinkler head | |
| US8753111B2 (en) | Swirl combustion air fuel torch | |
| KR102188660B1 (en) | Charcoal ignition apparatus of having heat exchange function | |
| JP2006281365A (en) | Variable throttle mechanism of pneumatic tool | |
| CN105517637A (en) | Air induction nozzle | |
| CN212806566U (en) | Furnace wall oxygen lance capable of automatically controlling pressure | |
| US7644879B2 (en) | Nozzle of gas stove | |
| WO2005071314A3 (en) | Flexible nozzle mixing burner comprising a swirl chamber | |
| CN209801483U (en) | safe pilot burner for positive pressure furnace | |
| CN110500580B (en) | Gas burner | |
| CN110822421A (en) | Ignition device of combustor and ignition method thereof | |
| CN104566467A (en) | Anti-backfire nozzle | |
| CN207648794U (en) | A kind of Brown Gas burn application constructional device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |