CN105276581B - Furnace combustor twin-jet nozzle - Google Patents
Furnace combustor twin-jet nozzle Download PDFInfo
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- CN105276581B CN105276581B CN201510280810.1A CN201510280810A CN105276581B CN 105276581 B CN105276581 B CN 105276581B CN 201510280810 A CN201510280810 A CN 201510280810A CN 105276581 B CN105276581 B CN 105276581B
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Abstract
A kind of furnace combustor is with twin-jet nozzle (4), the downstream of tube parts (3) to furnace combustor supply fuel gas is set, have: there is the nozzle body (41) of the nozzle bore (41a) sprayed for fuel gas and axially front and the cylinder (42) bigger than nozzle bore for the diameter for spraying gas inflow from nozzle bore positioned at nozzle body, it is at low cost and primary air can be sufficiently attracted in cylinder.Nozzle body (41) is integrally formed on tube parts (3), across the arm (43) and cylinder (42) between a part of the periphery of a part and cylinder (42) of the periphery in nozzle body (41).The part other than arm (43) between nozzle body (41) and cylinder (42) becomes open space (44), and primary air is attracted in cylinder (42) by the open space (44).
Description
Technical field
The present invention relates to a kind of furnace combustor twin-jet nozzle, which is arranged with twin-jet nozzle burns to stove
Device supplies the downstream of the tube parts of fuel gas.
Background technique
Such twin-jet nozzle has: having the nozzle body of the nozzle bore sprayed for fuel gas and positioned at nozzle body
Axially front and the cylinder bigger than nozzle bore for the diameter that gas flows into of spraying from nozzle bore.If using twin-jet nozzle,
In addition to the inflow entrance of the mixing tube from furnace combustor attracts primary air, primary air is accompanied by fuel gas from nozzle bore
It sprays and is attracted to cylinder, the primary air amount being supplied in furnace combustor can be increased.
But, existing twin-jet nozzle is that nozzle body and cylinder are integrated, and in the base end part of nozzle body, twin-jet nozzle is spirally connected
In the downstream of tube parts (for example, with reference to patent document 1).Attachment between nozzle body and cylinder, be formed with from
Towards the suction hole of cylinder, primary air is attracted in cylinder its outer peripheral surface by suction hole.In addition, multiple suction holes are arranged
Primary air sufficiently can be attracted in cylinder.
But the product of conventional example need and tube parts at separate structure twin-jet nozzle, and need by mechanical plus
Work one by one forms multiple suction holes, has the unfavorable condition of increased costs in this way.
Citation
Patent document
Patent document 1: Japanese Unexamined Patent Publication 11-182819 bulletin
Summary of the invention
In view of the above problems, project is to provide one kind, and primary air sufficiently can be attracted to cylinder intracorporal by the present invention
The furnace combustor twin-jet nozzle of low cost.
In order to solve the above problems, the present invention relates to a kind of furnace combustor twin-jet nozzle, setting is to furnace combustor
It supplies the downstream of the tube parts of fuel gas, which is characterized in that have: there is the spray of the nozzle bore sprayed for fuel gas
Mouth main body and the diameter of the ejection gas inflow of axially front and confession from nozzle bore positioned at nozzle body are bigger than nozzle bore
Cylinder, be integrally formed on tube parts nozzle body, across the periphery in nozzle body a part and cylinder it is outer
Arm and cylinder between a part in week, the part other than arm between nozzle body and cylinder become open sky
Between, primary air is attracted in cylinder by the space.
According to the present invention, twin-jet nozzle is integrally formed with tube parts, can reduce component number.In addition, because can lead to
The open space crossed other than the arm between nozzle body and cylinder and primary air is sufficiently attracted in cylinder, so with existing
Having example to pass through like that, the case where machining one by one forms multiple suction holes is different, and processing cost is also minimized, is inconjunction with
Component number reduces and can be realized significantly cost reduction.
In addition, preferably, the outer peripheral surface of nozzle body is formed towards the tapered surface of axially front undergauge in the present invention.By
This, primary air successfully flows to cylinder side along tapered surface, and primary air efficiency is attracted in cylinder well.
But, because empathizing in cylinder from the sound that the gas stream that nozzle bore sprays is issued, sometimes
It produces and brings uncomfortable high frequency audio to user.In this case, preferably, in the length side of cylinder being located at arm
To the inner peripheral portion of vertical two side position of direction, specific length has been axially formed from the ora terminalis of nozzle body side
Lack part.Accordingly, the physical length of cylinder shortens, and the frequency of sonorant has been raised to the region that can be heard more than people,
Uncomfortable feeling will not be thus brought to user.
Detailed description of the invention
Fig. 1 is the cross-sectional view of the tube parts for having the twin-jet nozzle of embodiment of the present invention, valve cell and furnace combustor.
Fig. 2 is the tube parts of Fig. 1 and the perspective view of valve cell.
Fig. 3 indicates the enlarged cross-sectional view by III-III line cutting in Fig. 1.
Fig. 4 is the perspective view of the tube parts for having twin-jet nozzle of other embodiment, valve cell.
Symbol description
1 ... furnace combustor, 3 ... tube parts, 4 ... twin-jet nozzles, 41 ... nozzle bodies, 41a ... nozzle bore, 41b ... cone
Shape face, 42 ... cylinders, the lack part 42a ... 43 ... arm, 44 ... open spaces.
Specific embodiment
Referring to Fig.1,1 furnace combustor is indicated, 2 indicate to be located at the gas supply road for furnace combustor 1
Valve cell.Furnace combustor 1 has: mixing tube 11, the burner body 12 being integrally formed therewith in the downstream of mixing tube 11,
With burner cap 13 of the placing on burner body 12.In addition, being attached on furnace combustor 1: in illustration omitted
The bottom surface of the cooking-vessel of placing abuts and is used to detect the cooking bottom temperature sensor of its temperature on range on stove top plate
14, the flame detecting elements such as ignitor 15 and the thermocouple of illustration omitted for detecting flame.
Valve cell 2 has: using front-rear direction as the valve shell 21 of length direction being made of aluminium diecasting, being accommodated in outside valve
The electromagnetic valve 22 at 21 rear portion of shell and the main valve 23 for being accommodated in 22 front of valve shell.It is formed on valve shell 21 under rear portion
The inflow entrance 211 on surface and the outflux 212 of front upper surface, if electromagnetic valve 22 and main valve 23 are opened, fuel gas
Body flows to outflux 212 from inflow entrance 211.
Main valve 23 is mounted on from the operating stick 24 in front insertion valve shell 21.Operating stick 24 is by configuring before stove
The first time pressing operation of the push button clinching of the illustration omitted on surface and by rearward pressing move, electromagnetic valve 22 is pressed
Pressure is allowed to valve opening, and makes 23 valve opening of main valve, after first time pressing operation, releases the pressing of electromagnetic valve 22, but main valve 23
It is locked in the defined burning position as valve opening state, by second of pressing operation of clinching, is released in burning position
Locking, reset to make main valve 23 close front fire extinguishing position (shown position).In addition, it is flame-out in furnace combustor 1 and
When flame detecting element does not detect flame, electromagnetic valve 22 is closed, and prevents unstrpped gas from releasing.
The block-like tube parts 3 formed by aluminium diecasting is connected in the upper surface of valve shell 21.In tube parts 3
Lower surface is formed with the connector 31 being connected to the outflux 212 of valve shell 21.In addition, being equipped with and being located on tube parts 3
The downstream side of connector 31 and the detection temperature of cooking bottom temperature sensor 14 rise to as defined in ceiling temperature when it is pent
Solenoid valve 32.In addition, on tube parts 3, be formed with the gas flow path 33 extended upward in the downstream side of solenoid valve 32,
The solenoid valve 32 being connected to with by connector 31 and gas flow path 33 throttle orifice 34 arranged side by side, when solenoid valve 32 is closed,
A small amount of fuel gas is supplied to furnace combustor 1 by throttle orifice 34.
In addition, being equipped with the intensity of a fire regulating valve 35 being arranged on gas flow path 33 in the upper end of tube parts 3.The intensity of a fire
Regulating valve 35 is retreated in stove front surface in the linkage of intensity of a fire adjusting knob 351 to highlight, and gas flow is adjusted.Fire
Gesture adjusting knob 351 is installed in as shown in Figure 2 on the swing frame 352 for the upper surface that axis is supported in tube parts 3.In addition, in fire
The operation pin 353 extended upwards is installed in gesture regulating valve 35, makes the operation pin 353 by following long hole 354a under
The cam hole 352a engaging stated, that is, long hole 354a is formed on the directing plate 354 for being fixed on tube parts 3 and with front-rear direction
For length direction, cam hole 352a is formed on swing frame 352 and for front-rear direction towards lateral inclination.As a result,
By intensity of a fire adjusting knob 351 to transverse shifting, swing laterally swing frame 352, in this way under the guidance of cam hole 352a, operation pin
353 move along long hole 354a in front-rear direction, and intensity of a fire regulating valve 35 is retreated and adjusting gas flow in front-rear direction.
In addition, being provided with the mixing tube 11 to furnace combustor 1 in the upper rear as downstream of tube parts 3
Upstream end inflow entrance 111 spray fuel gas embodiment of the present invention twin-jet nozzle 4.Twin-jet nozzle 4 has: having for combustion
Expect the nozzle body 41 for the nozzle bore 41a that gas sprays and the axially front (rear) positioned at nozzle body 41 and confession carrys out self-spray
The diameter for spraying gas inflow of the nozzle aperture 41a cylinder 42 bigger than nozzle bore 41.Cylinder 42 is entrenched in the medium pore of air door 112
In 112a, wherein air door 112 is installed on the inflow entrance 111 of mixing tube 11.In addition, being formed with centrally located hole at air door 112
Airport 112b around 112a.Moreover, primary air is accompanied by combustion other than attracting primary air from airport 112b
Material gas is sprayed from nozzle bore 41a and is attracted into cylinder 42, can increase the primary sky being supplied in furnace combustor 1
Tolerance.
Herein, in the present embodiment, nozzle body 41 is integrally formed on tube parts 3, across in nozzle master
Arm 43 a pair of up and down between a part of the periphery of body 41 and the top and the bottom of a part of the periphery as cylinder 42,
43 and cylinder 42.In addition, the part other than arm 43 between nozzle body 41 and cylinder 42 is open space 44, one
Secondary air is attracted in cylinder 42 by the open space 44.
Twin-jet nozzle 4 is integrally formed with tube parts 3 as a result, the twin-jet nozzle seperated therewith with installing on tube parts
The product of above-mentioned conventional example is compared, and component number can be reduced.In addition, because can be by between nozzle body 41 and cylinder 42
Arm 43 other than open space 44 primary air is sufficiently attracted in cylinder 42, so passing through machinery like that with conventional example
Processing is different the case where one by one forming multiple suction holes on twin-jet nozzle, and processing cost is also minimized, and is inconjunction with components
Number reduces and can be realized significantly cost reduction.
In addition, in the present embodiment, as shown in figure 3, the outer peripheral surface of nozzle body 41 is formed towards axially front
The tapered surface 41b of (rear) undergauge.Primary air is successfully flowed to along tapered surface 41b represented by arrow a in Fig. 3 as a result,
Primary air can be efficiently attracted in cylinder 42 by 42 side of cylinder.
But, different according to used gas families, the gas stream sprayed from nozzle bore 41a is issued and gas injection
The sound of the corresponding specific frequency of speed can empathize (caused by the air column vibration in cylinder 42 altogether in cylinder 42 out
Ring), it produces sometimes bring uncomfortable high frequency audio to user in this way.Therefore, in embodiment shown in Fig. 4,
The inner peripheral portion positioned at direction two side position vertical with the length direction of arm 43 of cylinder 42, from 41 side of nozzle body
Ora terminalis has started the lack part 42a for being axially formed specific length.Accordingly, the physical length of cylinder 42 shortens, sonorant
Frequency has been raised to the region that can be heard more than people, and uncomfortable feeling will not be thus brought to user.
The length for shortening cylinder 42 alternatively, it is also possible to consider not form lack part 42a.However, not changing cylinder once
The position of cardinal extremity (one end of 41 side of nozzle body) and shorten cylinder 42, then positional relationship of the air door 112 relative to barrel front end
It just will appear deviation.In addition, in the case where not changing the position of barrel front end and shorten cylinder 42, since cylinder cardinal extremity is close
The front end of air door 112, arm 43 will be interfered with air door 112, it is thus impossible to sufficiently shorten cylinder 42.In this way, also as
It is upper described, preferably, in the inner peripheral portion positioned at direction two side position vertical with the length direction of arm 43 of cylinder 42, shape
At the portion 42a that is weak.
More than, with reference to the accompanying drawings of embodiments of the present invention, still, the present invention is not limited to this.For example, upper
It states in embodiment, arm 43 is arranged to a pair up and down, but also can be omitted the arm 43 of next side.In addition, above-mentioned
In embodiment, solenoid valve 32 and flow control valve 35 are installed on tube parts 3, but tube parts can not also be installed
These valves.
Claims (2)
1. the downstream of the tube parts to furnace combustor supply fuel gas is arranged in a kind of furnace combustor twin-jet nozzle
End, which is characterized in that have: there is the nozzle body of the nozzle bore sprayed for fuel gas and positioned at the axial direction of nozzle body
Front and the cylinder bigger than nozzle bore for the diameter that gas flows into of spraying from nozzle bore,
Nozzle body is integrally formed on tube parts, across a part of the periphery in nozzle body and the periphery of cylinder
A part between arm and cylinder,
The part other than arm between nozzle body and cylinder becomes open space, and primary air passes through the open space quilt
It is attracted in cylinder,
The outer peripheral surface of the nozzle body is formed towards the tapered surface of axially front undergauge.
2. furnace combustor twin-jet nozzle according to claim 1, which is characterized in that the cylinder be located at it is described
The inner peripheral portion of vertical two side position of direction of the length direction of arm, along axis from the ora terminalis of the nozzle body side
To the lack part for being formed with specific length.
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2014125290 | 2014-06-18 | ||
| JP2014-125290 | 2014-06-18 | ||
| JP2015-100897 | 2015-05-18 | ||
| JP2015100897A JP6563687B2 (en) | 2014-06-18 | 2015-05-18 | Double nozzle for the stove burner |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105276581A CN105276581A (en) | 2016-01-27 |
| CN105276581B true CN105276581B (en) | 2018-12-21 |
Family
ID=55146066
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510280810.1A Active CN105276581B (en) | 2014-06-18 | 2015-05-28 | Furnace combustor twin-jet nozzle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105276581B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ES2717549A1 (en) * | 2017-12-21 | 2019-06-21 | Bsh Electrodomesticos Espana Sa | INJECTOR DEVICE FOR A GAS BURNER OF A DOMESTIC APPLIANCE, GAS BURNER, AND DOMESTIC APPLIANCES (Machine-translation by Google Translate, not legally binding) |
| JP2020143888A (en) * | 2019-03-08 | 2020-09-10 | 三菱重工業株式会社 | Combustor, and combustor array |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2231761Y (en) * | 1995-07-26 | 1996-07-24 | 大庆纽斯达采油工具公司 | High-speed gas burner |
| CN101382285A (en) * | 2007-09-05 | 2009-03-11 | 林内株式会社 | Burner for stove |
| CN103162294A (en) * | 2011-12-08 | 2013-06-19 | 林内株式会社 | Gas nozzle of furnace combustor |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5558054B2 (en) * | 2009-09-04 | 2014-07-23 | リンナイ株式会社 | Stove burner |
-
2015
- 2015-05-28 CN CN201510280810.1A patent/CN105276581B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2231761Y (en) * | 1995-07-26 | 1996-07-24 | 大庆纽斯达采油工具公司 | High-speed gas burner |
| CN101382285A (en) * | 2007-09-05 | 2009-03-11 | 林内株式会社 | Burner for stove |
| CN103162294A (en) * | 2011-12-08 | 2013-06-19 | 林内株式会社 | Gas nozzle of furnace combustor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105276581A (en) | 2016-01-27 |
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