CN101166934B - High-power double burner for gas cookers, with multiple concentric flame crowns - Google Patents

High-power double burner for gas cookers, with multiple concentric flame crowns Download PDF

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Publication number
CN101166934B
CN101166934B CN2006800143687A CN200680014368A CN101166934B CN 101166934 B CN101166934 B CN 101166934B CN 2006800143687 A CN2006800143687 A CN 2006800143687A CN 200680014368 A CN200680014368 A CN 200680014368A CN 101166934 B CN101166934 B CN 101166934B
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China
Prior art keywords
burner
air induction
conduit
induction conduit
peripheral
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CN2006800143687A
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CN101166934A (en
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皮耶罗·阿尔曼尼
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SOMIPRESS METALLI INIETTATI SpA SOC
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SO M I PRESS METALLI I Soc
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    • 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
    • F23D14/04—Premix gas burners, i.e. in which gaseous fuel is mixed with combustion air upstream of the combustion zone induction type, e.g. Bunsen burner
    • F23D14/06—Premix gas burners, i.e. in which gaseous fuel is mixed with combustion air upstream of the combustion zone induction type, e.g. Bunsen burner with radial outlets at the burner head
    • F23D14/065—Premix gas burners, i.e. in which gaseous fuel is mixed with combustion air upstream of the combustion zone induction type, e.g. Bunsen burner with radial outlets at the burner head with injector axis inclined to the burner head axis
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D17/00—Pressure die casting or injection die casting, i.e. casting in which the metal is forced into a mould under high pressure
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23D—BURNERS
    • F23D2900/00—Special features of, or arrangements for burners using fluid fuels or solid fuels suspended in a carrier gas
    • F23D2900/14—Special features of gas burners
    • F23D2900/14062—Special features of gas burners for cooking ranges having multiple flame rings

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Gas Burners (AREA)

Abstract

The present invention refers to a double burner for gas cookers with multiple concentric flames, characterized by high power and compact height, which comprises five Venturi mixing chambers, i.e. one central chamber (5a) with vertical axis that feeds the central burner and four regularly spaced chambers (6a) with inclined axis that feed the external annular burner.

Description

Gas range high-power double burner with multi-turn concentric flame stove hat
Technical field
The patent application of this industrial invention relates to a kind of gas range double burner, and this double burner has multi-turn concentric flame stove hat, and characteristics are high powers and highly little.
Background technology
Term " double burner " refers to burner and comprises two different gas inlet pipes that are provided with corresponding stopcock, described gas inlet pipe is supplied with two or more concentric flame stove hats respectively, it can optionally be opened or close, can two right passages are independently supplied with by being derived from described air inlet pipe of separating.
Though be provided with multi-turn concentric flame stove hat, the characteristics of traditional burner are that it has only a gas inlet pipe with corresponding stopcock, this air inlet pipe is supplied with whole passages that is used for providing to burner head air-gas mixture.
This concentric flame stove hat that just means traditional burner always opens or closes simultaneously, and still, under the situation of using double burner, the user can determine to open all or portion's burning flame stove hat.
For above-mentioned reasons, purpose of the present invention is for providing a kind of gas range double burner, and this double burner has the multi-turn concentric flame stove hat of known type, and its characteristics are unprecedented power.
It must be noted that, the characteristics of model of double burner with multi-turn concentric flame stove hat of known type are, they have used the venturi effect hybrid chamber that is used for central burner with vertical axis, technical being called " Venturi tube ", simultaneously, the hybrid chamber of Huan Xing external burner comprises two Venturi tube or Venturi tubes with horizontal axis with vertical axis.
Because its power of position reason of central burner is limited, so external burner has peak power, it gives the credit to the venturi chamber of external burner.
As everyone knows, the power of venturi chamber support depends on the diameter of its constriction or groove, and it influences the Venturi tube component in turn, this means that the length of slot part and Wen's component is increased to improve power.
As mentioned above, in the model of traditional double burner, on external burner, can not obtain high power with multi-turn concentric flame stove hat.This is because the height of limited burner has stoped the length of the venturi chamber of the vertical axis with external burner to be extended.
For above-mentioned reasons, the double burner with multi-turn concentric flame stove hat of known type is usually in the terminal operation of its power.This situation correspondence the high combustion value, the maximum constraints that this value is set up near european norm CEN30.1 and exceeded the scope that Chinese standard is set up.
Summary of the invention
Burner design of the present invention is used to overcome this typical functions restriction of conventional burners.Burner of the present invention is provided with a central burner, it is connected with the venturi chamber with vertical axis and with the external burner of innovation fully usually, the external burner of described innovation fully and plural, preferably four venturi chamber with tilt axis and radial direction are connected, according to the size of burner, each venturi chamber all has a cell power.
For example, in the burner with two venturi chamber, in order to obtain 4kW, each independent venturi chamber must be by load 2kW; Under the situation of the burner with four venturi chamber, the load that reduces each venturi chamber deducts 62.5% to 1.25kW, and can obtain peak power is 5kW, and the result is the fuel value that produces when having reduced external burner transmission peak power.
Burner of the present invention generally includes a peviform main body, and its diapire is typically provided with two different disconnected conduits with horizontal axis that are used for gas inlet, and its each conduit is designed to optionally to supply with above-mentioned passage.
Two gas inlet conduits arrive the central authorities of main body with slightly different height, and by this way, if necessary, they can be communicated with by the hole with vertical axis, and downcomer is ended at from upper conduit in described hole.
Vertical channel is equipped with first jet for gas from the last air induction conduit branch that makes progress on it, this designs of nozzles is used for coal gas is imported to hybrid chamber, and described hybrid chamber is supplied with central flame furnace hat.According to the present invention, plural rising and branched bottom are equipped with respective nozzles from lower inlet duct branch on described passage, and this designs of nozzles is used for coal gas is imported to the hybrid chamber of supplying with peripheral flame furnace hat.
Cavity with shaping of venturi effect is accommodated in the downstream of each jet for gas, and the cavity of this shaping promotes coal gas and main Air mixing from the top suction of cooktop surface.
This just means that burner of the present invention is provided with minimum four and mixes venturi chamber, a center cavity above first nozzle and minimum three even isolated cavitys with tilt axis with vertical axis, and it is supplied with by different nozzles respectively.
These cavitys are positioned at the burner head inboard, be arranged in the circle " dish " of the whole models that are included in burner in other words, be characterized in being provided with a plurality of profile of tooth stove hats of together feeling concerned about row, label at this profile of tooth stove, be placed with burner lid, be used to seal the hole of described profile of tooth stove hat, well-known, flame is emerged from each described hole.
More accurately, described head is formed by lower wall and last dish, such shape makes them to mate well, so that form mixing chamber with tilt axis, simultaneously, have that the mixing chamber of vertical axis is whole to be positioned at described central authorities of going up dish, wherein should go up dish is the disk body with a plurality of profile of tooth stoves hats of together feeling concerned about row.
Described lower wall is provided with a series of following radially subregions, and this time radially subregion determines self centering and separate from the nozzle retainer body.The essential effective importing of this separation with the main air that guarantees to extract from cooktop surface.
Description of drawings
In order more clearly to describe double burner of the present invention, go on to say below with reference to accompanying drawing, accompanying drawing just for illustrative purposes, be not to limit, accompanying drawing is described the double burner with a plurality of flame furnace hats, described a plurality of flame furnace hat is provided with four venturi chamber with tilt axis, and it is used to supply with peripheral flame furnace hat.
Fig. 1 is the sectional view along the burner of the present invention that vertical plane cut of diameter of the axis by gas inlet conduits, and described gas inlet conduits is designed for to be supplied with peripheral flame furnace and be preced with.
Fig. 2 is the sectional view along the burner of the present invention that vertical plane intercepts of diameter of the axis by other gas inlet conduits, and described other gas inlet conduits is positioned at and is higher than first duct height.
Fig. 3 is the vertical view according to burner body of the present invention.
Fig. 4 is the vertical view of head that does not have the burner of lid according to of the present invention.
The specific embodiment
With reference to above-mentioned accompanying drawing, double burner of the present invention comprises a circular peviform main body 1, and this main body accommodates the central strut rail 2 of projection, has the housing that is used for a plurality of jet for gas on it.
Main body 1 is held two different and disconnected gas inlet conduits 3 and 4 usually, each conduit in them can selectivity with supply with the nozzle that is connected with central flame furnace hat respectively and be preced with the nozzle sets that is connected with peripheral flame furnace.
Two gas inlet conduits 3 and 4 arrive the central authorities of main body 1 at slightly different height; More accurately, last air induction conduit 3 just in time ends at the central authorities of main body 1, and air induction conduit 4 passes through from the central authorities top at present together, as shown in Figure 1.
Vertical channel 3a, is equipped with on it to be designed for coal gas is imported to first nozzle 5 in the Venturi tube hybrid chamber to top set from last air induction conduit 3, and this Venturi tube hybrid chamber is supplied with central flame furnace hat FC; Simultaneously, the passage 4a of four risings and branch is from air induction conduit 4 branches down, is equipped with to be designed for the respective nozzle 6 that coal gas is imported in the hybrid chamber of supplying with peripheral flame furnace hat FE on described passage 4a.
Venturi tube hybrid chamber 5a with vertical axis is positioned at the downstream of nozzle 5, and simultaneously four have preferably to spend to the Venturi tube hybrid chamber 6a of the tilt axis of 60 degree from 40 and are positioned at the downstream of four nozzles 6.
In addition, burner of the present invention comprises the head T that is formed by lower wall 7 and last dish 8, and this shape makes them mate well.
More accurately, lower wall 7 has the tip circle tapered profiles, and has stair-stepping peripheral edge 7a, and this peripheral edge supports and feels relieved has the upward dish 8 of the stair-stepping periphery neck 8a of portion.
The also supported and centering in the central flange 9 of lower wall 7 of last dish 8.
Two dishes 7 and 8 have half conduit 7b and 8b respectively, and this half catheter-shaped becomes Venturi tube hybrid chamber 6a; In described cavity downstream, V-arrangement current transformer subregion 10 is installed on the lower wall 7, it promotes the branch from the air-gas mixture stream of cavity 6a, transmission air-gas mixture in the passage 11 that is used to supply with peripheral concentric flame stove hat FE, as shown in Figure 4, clearly show that three profile of tooth stove hats 12 of dish 8 tops among the figure.
Circular passage 11 is by four identical forming with the channel part that communicates continuously, and each part is by a pair of current divider subregion 10 limited boundaries.
Passage 11 is sealed by ring cover 13, on the edge in the side and the outside, is formed with above-mentioned peripheral concentric flame stove hat FE within it.
Venturi tube hybrid chamber 5 is contained in the dish 8 fully, and it ends to be preced with in the circular interval of 12 transverse seals by the profile of tooth stove, and this profile of tooth stove hat has littler diameter, and is covered by circular lid 14, is formed with central concentric flame stove hat FC on its peripheral edge.
With particular reference to Fig. 1, lower wall 7 is provided with a series of following radially subregions 15, and this subregion determines self centering and separates from nozzle retainer body 1, has guaranteed that thus the main air A that goes up suction from cooktop surface P imports effectively.
For double burner of the present invention being converted to traditional burner with three circle concentric flame stove hats, on the middle position of main body 1, bore a hole with vertical axis, this hole originates in gas inlet conduits 4 down, ends to be connected with among the coaxial vertical channel 3a of nozzle 5.
Like this, having only downcomer 4 need be connected to coal gas supplies with in the net, so that supply with whole nozzles simultaneously, central nozzle 5 and horizontal nozzle 6, empirical tests in this case, last gas inlet conduits 3 need be closed to stop the coal gas that is imported into from downcomer 4 to withdraw from burner body and upwards flow to upper conduit 3.
For fear of using other to append to assembly on the burner body 1, the closing cap of conduit 3 for example, the length of conduit 3 needs suitably to shorten.
Owing to can obtain main body 1, come to shorten easily and at low cost length by the pin that uses in moving moulds backward simply as " nuclear " of upper conduit 3 by the pressing mold process.

Claims (9)

1. the double burner that is used for gas range, this burner has multi-turn concentric flame stove hat, it comprises circular peviform main body (1) and has the head (T) of described multi-turn concentric flame stove hat, this circle peviform main body (1) accommodate nozzle fixedly strut rail (2) with separate and disconnected coal gas on air induction conduit (3) and following air induction conduit (4), above-mentioned air induction conduit and the following air induction conduit gone up is respectively to central nozzle (5) and peripheral injector nozzles group supply coal gas;
This burner features is, described peripheral injector nozzles group forms by at least three evenly spaced peripheral injector nozzles (6), these peripheral injector nozzles (6) are supplied with coal gas to the peripheral Venturi tube hybrid chamber (6a) with tilt axis, and described central nozzle (5) is supplied with coal gas to the central Venturi tube hybrid chamber (5a) with vertical axis simultaneously; Described head (T) is provided with a series of following radially subregion (15), these a series of following radially subregions are used for respect to described circular peviform main body (1) described head being carried out determining of self centering, thereby guarantee to import effectively from the main air (A) of the top suction of cooktop surface (P);
Downstream at described peripheral Venturi tube hybrid chamber (6a), the current divider subregion (10) of V-arrangement is arranged on the lower wall (7), the current divider subregion of described V-arrangement is to be used for the branch of promotion from the air-gas mixture stream of described peripheral Venturi tube hybrid chamber (6a), and described air-gas mixture stream is in the inside transmission of the passage (11) that is used for the air-flow of concentric flame stove hat (FE) supply to the periphery.
2. burner as claimed in claim 1 is characterized in that described upward air induction conduit (3) and following air induction conduit (4) arrive the central authorities of described circular peviform main body at various height.
3. burner as claimed in claim 2 is characterized in that the described central authorities that air induction conduit (3) just in time ends at described circular peviform main body (1) of going up, and simultaneously described air induction conduit (4) down passes through from described central authorities top.
4. as each described burner in the claim 1～3, it is characterized in that vertical channel (3a) from the described air induction conduit (3) of going up to top set, central nozzle (5) is installed on described vertical channel (3a), the passage (4a) of while at least three evenly spaced risings and branch is equipped with corresponding peripheral injector nozzles (6) at least from described air induction conduit (4) branch down on described three passages (4a).
5. as each described burner in the claim 1～3, it is characterized in that described head (T) is formed by lower wall (7) and last dish (8), they can mate well, wherein lower wall (7) has the tip circle tapered profiles and has stepped peripheral edge (7a), what this stepped peripheral edge (7a) supported and centering has a stepped periphery neck portion (8a) goes up dish (8), described go up dish (8) also the center flange (9) on lower wall (7) go up supported and centering.
6. burner as claimed in claim 5, it is characterized in that described lower wall (7) and last dish (8) have second conduit (7b) and first conduit (8b) respectively, this second conduit (7b) and first conduit (8b) have formed peripheral Venturi tube hybrid chamber (6a), and described central Venturi tube hybrid chamber (5a) is contained in described going up in the dish (8) fully simultaneously.
7. burner as claimed in claim 5 is characterized in that described head (T) comprises ring cover (13) and circular lid (14), and described ring cover (13) and circular lid (14) are sealed described passage (11) and described central Venturi tube hybrid chamber (5a) respectively; The described dish (8) of going up has three profile of tooth stove hats (12).
8. burner as claimed in claim 1 is characterized in that described following radially subregion (15) is arranged on the described lower wall (7).
9. as each described burner in the claim 1～3, it is characterized in that the hole of central position brill on described circular peviform main body (1) with vertical axis, described hole originate in following gas inlet conduits (4) and end to be connected with described central nozzle (5) and the vertical channel (3a) coaxial with it in, in face of described hole with vertical axis, the described air induction conduit (3) of going up gets clogged.
CN2006800143687A 2005-04-29 2006-04-20 High-power double burner for gas cookers, with multiple concentric flame crowns Active CN101166934B (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
IT000036A ITMC20050036A1 (en) 2005-04-29 2005-04-29 DOUBLE BURNER FOR GAS COOKERS, WITH MULTIPLE CONCENTRIC FLAME CHAINS, HIGH POWER.
ITMC2005A000036 2005-04-29
PCT/IT2006/000265 WO2006117815A1 (en) 2005-04-29 2006-04-20 High-power double burner for gas cookers, with multiple concentric flame crowns

Publications (2)

Publication Number Publication Date
CN101166934A CN101166934A (en) 2008-04-23
CN101166934B true CN101166934B (en) 2010-12-15

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CN2006800143687A Active CN101166934B (en) 2005-04-29 2006-04-20 High-power double burner for gas cookers, with multiple concentric flame crowns

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US (1) US20090047611A1 (en)
EP (1) EP1875132B1 (en)
CN (1) CN101166934B (en)
AR (1) AR053598A1 (en)
AU (1) AU2006242789B2 (en)
BR (1) BRPI0610625B1 (en)
CA (1) CA2605532A1 (en)
EG (1) EG24890A (en)
ES (1) ES2590558T3 (en)
IT (1) ITMC20050036A1 (en)
MX (1) MX2007013372A (en)
PL (1) PL1875132T3 (en)
RU (1) RU2406029C2 (en)
UA (1) UA94227C2 (en)
WO (1) WO2006117815A1 (en)
ZA (1) ZA200709107B (en)

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US20090047611A1 (en) 2009-02-19
WO2006117815A8 (en) 2007-04-26
WO2006117815A1 (en) 2006-11-09
BRPI0610625B1 (en) 2018-11-13
AR053598A1 (en) 2007-05-09
CN101166934A (en) 2008-04-23
MX2007013372A (en) 2008-01-18
EP1875132A1 (en) 2008-01-09
AU2006242789A1 (en) 2006-11-09
ES2590558T3 (en) 2016-11-22
UA94227C2 (en) 2011-04-26
RU2007144206A (en) 2009-06-10
PL1875132T3 (en) 2016-12-30
EP1875132B1 (en) 2016-06-08
AU2006242789B2 (en) 2010-06-17
ITMC20050036A1 (en) 2006-10-30
EG24890A (en) 2010-12-13
RU2406029C2 (en) 2010-12-10
CA2605532A1 (en) 2006-11-09
BRPI0610625A2 (en) 2010-07-13
ZA200709107B (en) 2008-08-27

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