CN106931438A - Fire cover and burner - Google Patents
Fire cover and burner Download PDFInfo
- Publication number
- CN106931438A CN106931438A CN201710210949.8A CN201710210949A CN106931438A CN 106931438 A CN106931438 A CN 106931438A CN 201710210949 A CN201710210949 A CN 201710210949A CN 106931438 A CN106931438 A CN 106931438A
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- China
- Prior art keywords
- hole
- fire
- protuberance
- gas chamber
- lid
- Prior art date
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- 239000000567 combustion gas Substances 0.000 claims abstract description 50
- 230000000153 supplemental effect Effects 0.000 claims abstract description 35
- 239000007789 gas Substances 0.000 claims description 20
- 238000010943 off-gassing Methods 0.000 claims description 2
- 239000002737 fuel gas Substances 0.000 abstract description 32
- 230000006641 stabilisation Effects 0.000 abstract description 12
- 238000011105 stabilization Methods 0.000 abstract description 12
- 239000013589 supplement Substances 0.000 abstract description 6
- 238000002485 combustion reaction Methods 0.000 description 11
- 239000000463 material Substances 0.000 description 4
- 238000001514 detection method Methods 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 241000196324 Embryophyta Species 0.000 description 1
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 230000001154 acute effect Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000012512 characterization method Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 230000021715 photosynthesis, light harvesting Effects 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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
- F23D14/46—Details, e.g. noise reduction means
-
- 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
- F23D14/48—Nozzles
- F23D14/58—Nozzles characterised by the shape or arrangement of the outlet or outlets from the nozzle, e.g. of annular configuration
-
- 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
- F23D14/84—Flame spreading or otherwise shaping
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Gas Burners (AREA)
Abstract
The invention discloses a kind of fire cover and burner.Fire cover includes lid and protuberance.The side wall of lid offers multiple first fire holes.Lid surrounds the combustion gas chamber for connecting multiple first fire holes.On the outer wall of lid, protuberance offers air supplemental tank for protuberance projection.Protuberance is formed with first through hole and the second through hole.First through hole is set in horizontal direction.Second through hole is inclined upwardly setting relative to first through hole along inside to the outside of combustion gas chamber.First through hole is with the second through hole is through air supplemental tank and connects combustion gas chamber.In the fire cover of the embodiment of the present invention, the fuel gas flow and the fuel gas flow from the ejection of the second through hole sprayed from first through hole interlock and liquidate, and mutually traction can form the flame on duty of stabilization burning.Meanwhile, air supplemental tank is the combustion gas supplement large quantity of air of first through hole and the second through hole, it is ensured that flame on duty burning is more stable, and then improves guarantor's fire performance of fire cover.
Description
Technical field
The present invention relates to kitchen tool field, more particularly to a kind of fire cover and burner.
Background technology
In the related art, current burner is it cannot be guaranteed that the stabilization burning of flame, protects fiery performance and have much room for improvement.
The content of the invention
The embodiment of the present invention provides a kind of fire cover and burner.
A kind of fire cover provided in an embodiment of the present invention, for burner, the fire cover includes：
Lid, the side wall of the lid offers multiple first fire holes, and the lid surrounds the multiple first fire of connection
The combustion gas chamber in hole；
Protuberance, on the outer wall of the lid, the protuberance offers air supplemental tank, institute for the protuberance projection
State protuberance and be formed with first through hole and the second through hole, the first through hole is set in horizontal direction, second through hole is relative
It is inclined upwardly setting along inside to the outside of the combustion gas chamber in the first through hole, the first through hole and described second is led to
Hole is through the air supplemental tank and connects the combustion gas chamber.
In the fire cover of the embodiment of the present invention, the combustion gas gas sprayed from the fuel gas flow of first through hole ejection and from the second through hole
Stream staggeredly liquidates, mutually traction, can form the flame on duty of stabilization burning.Meanwhile, air supplemental tank is first through hole and second
The combustion gas supplement large quantity of air of through hole, it is ensured that flame on duty burning is more stable, and then improve guarantor's fire performance of fire cover.
In one embodiment, the first fire hole described in the protuberance covering part, the protuberance is along the described first fire
The outgassing direction in hole offers outlet passageway.
In one embodiment, entrance of second through hole in the gas chamber room is located at first fire hole in institute
State the lower section of the entrance in gas chamber room；Entrance of first fire hole in the gas chamber room exists positioned at the first through hole
The lower section of the entrance in the gas chamber room；
Outlet of the first through hole outside the gas chamber room is located at second through hole outside the gas chamber room
The top of outlet；Outlet of first fire hole outside the gas chamber room is located at the first through hole outside the gas chamber room
Outlet top.
In one embodiment, the air supplemental tank extends to the top of the protuberance from the side of the protuberance
Face, the bottom surface of the air supplemental tank extends inwardly to form cambered surface or inclined-plane, the first through hole by the side of the protuberance
The cambered surface or inclined-plane are worn with the second through hole.
In one embodiment, the top surface of the protuberance apart from the lid 1.5-2.5 millimeters of side wall top surface, it is described
Top surface 1-2 millimeters of protuberance described in the axial line distance of first through hole, second through hole shape on the side of the protuberance
Into the second opening, the first through hole forms the first opening on the side of the protuberance, and described first is open and described the
The distance between two openings are 1-2 millimeters.
In one embodiment, internal diameter of the internal diameter of the first through hole more than second through hole.
In one embodiment, the fire cover also includes the second fire hole that relatively described lid is obliquely installed, described second
Fire hole connects the combustion gas chamber, and the top surface of the lid is provided with the shielding plate above second fire hole, the screening
The steady flame groove of connection second fire hole is formed between the top surface of catch and the lid.
In one embodiment, adjacent two first fire holes connect the first through hole.
In one embodiment, the groove position that the air supplemental tank is formed on the side wall of the lid is located at described adjacent
Two first fire holes between.
The burner of the embodiment of the present invention, including combustion gas cavity and the fire cover described in any of the above-described embodiment, the fire cover
It is arranged on the combustion gas cavity.
In the burner of the embodiment of the present invention, the combustion gas sprayed from the fuel gas flow of first through hole ejection and from the second through hole
Air-flow interlocks and liquidates, mutually traction, can form the flame on duty of stabilization burning.Meanwhile, air supplemental tank is first through hole and the
The combustion gas supplement large quantity of air of two through holes, it is ensured that flame on duty burning is more stable, and then improve guarantor's fire performance of burner.
Protuberance then reduces the distance between flame in ignition electrode, thermocouple and fire cover, more facilitates ignition electrode and thermocouple to examine
Survey, it is ensured that the security that burner is used.
The additional aspect and advantage of the embodiment of the present invention will be set forth in part in the description, and will partly be retouched from following
Become obvious in stating, or recognized by practice of the invention.
Brief description of the drawings
Of the invention above-mentioned and/or additional aspect and advantage will become from description of the accompanying drawings below to embodiment is combined
Substantially and be readily appreciated that, wherein：
Fig. 1 is the schematic perspective view of the fire cover of the embodiment of the present invention.
Fig. 2 is the three-dimensional schematic cross-section of the fire cover of the embodiment of the present invention.
Fig. 3 is the side schematic view of the fire cover of the embodiment of the present invention.
Fig. 4 is the elevational schematic view of the fire cover of the embodiment of the present invention.
Specific embodiment
Embodiments of the invention are described below in detail, the example of the embodiment is shown in the drawings, wherein from start to finish
Same or similar label represents same or similar element or the element with same or like function.Below with reference to attached
It is exemplary to scheme the embodiment of description, is only used for explaining the present invention, and is not considered as limiting the invention.
In the description of the invention, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width ",
" thickness ", " on ", D score, "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom ", " interior ", " outward ", " up time
The orientation or position relationship of the instruction such as pin ", " counterclockwise " are, based on orientation shown in the drawings or position relationship, to be for only for ease of
The description present invention is described with simplified, must have specific orientation, Yi Te rather than the device or element for indicating or imply meaning
Fixed azimuth configuration and operation, therefore be not considered as limiting the invention.Additionally, term " first ", " second " are only used for
Description purpose, and it is not intended that indicating or implying relative importance or the implicit quantity for indicating indicated technical characteristic.
Thus, " first " is defined, one or more feature can be expressed or be implicitly included to the feature of " second ".
In description of the invention, " multiple " is meant that two or more, unless otherwise expressly limited specifically.
In the description of the invention, it is necessary to illustrate, unless otherwise clearly defined and limited, term " installation ", " phase
Company ", " connection " should be interpreted broadly, for example, it may be being fixedly connected, or being detachably connected, or be integrally connected；Can
Being to mechanically connect, or electrically connect or can mutually communicate；Can be joined directly together, it is also possible to by between intermediary
Connect connected, can be two element internals connection or two interaction relationships of element.For the ordinary skill of this area
For personnel, above-mentioned term concrete meaning in the present invention can be as the case may be understood.
In the description of the invention, unless otherwise clearly defined and limited, fisrt feature second feature it " on " or
D score can include the first and second feature directly contacts, it is also possible to including the first and second features be not directly contact but
By the other characterisation contact between them.And, fisrt feature second feature " on ", " top " and " above " include
Fisrt feature is directly over second feature and oblique upper, or is merely representative of fisrt feature level height higher than second feature.First
Feature second feature " under ", " lower section " and " below " include fisrt feature immediately below second feature and obliquely downward, or only
Only represent that fisrt feature level height is less than second feature.
Following disclosure provides many different embodiments or example is used for realizing different structure of the invention.For letter
Change disclosure of the invention, hereinafter the part and setting to specific examples are described.Certainly, they are only merely illustrative, and
Purpose does not lie in the limitation present invention.Additionally, the present invention can in different examples repeat reference numerals and/or reference letter, this
Plant and repeat to be the relation between itself not indicating discussed various embodiments and/or setting for purposes of simplicity and clarity.
Additionally, the invention provides various specific technique and material example, but those of ordinary skill in the art will be appreciated that
To the application and/or the use of other materials of other techniques.
Fig. 1-Fig. 3 is referred to, the embodiment of the present invention provides a kind of fire cover 100 and burner.
A kind of fire cover 100 provided in an embodiment of the present invention, for burner (not shown).Fire cover 100 includes the He of lid 10
Protuberance 20.The side wall 12 of lid 10 offers multiple first fire holes 14.Lid 10 surrounds the combustion for connecting multiple first fire holes 14
Gas chamber 16.
The projection of protuberance 20 is on the side wall 12 of lid 10.Protuberance 20 offers air supplemental tank 22.The shape of protuberance 20
Into there is the through hole 26 of first through hole 24 and second.First through hole 24 is set in horizontal direction.Second through hole 26 is relative to first through hole
24 are inclined upwardly setting along inside to the outside of combustion gas chamber 16.The through hole 26 of first through hole 24 and second passes through air supplemental tank 22
And connect combustion gas chamber 16.
In the fire cover 100 of the embodiment of the present invention, sprayed from the fuel gas flow of the ejection of first through hole 24 and from the second through hole 26
Fuel gas flow interlock and liquidate, mutually traction can form the flame on duty of stabilization burning.Meanwhile, air supplemental tank 22 is first
Combustion gas supplement large quantity of air at the through hole 26 of through hole 24 and second, it is ensured that flame on duty burning is more stable, and then improves fire cover
100 guarantor's fire performance.
Specifically, lid 10 is substantially cylindrical.
In this way, fuel gas flow can rise through almost straight combustion gas chamber 16, the resistance of fuel gas flow is reduced to minimum, combustion
The flowing of gas air-flow is more stable, so that burned flame is more stable in fire cover 100.
Specifically, in embodiments of the present invention, protuberance 20 has two.In one example, in two protuberances 20
The obtuse angle alpha formed between heart line is 100-120 degree, preferably 110 degree (see Fig. 4).
When fire cover 100 is applied to burner, a protuberance 20 may correspond to ignition electrode, and another protuberance 20 can be right
Should in thermocouple, therefore, the setting of protuberance 20 shortens flame and ignition electrode (not shown) and thermocouple in fire cover 100
The distance of (not shown) so that thermocouple be more convenient for detect fire cover 100 on flame combustion case so that ignition electrode can be more accurate
Really lighted a fire, enhanced the security of burner.Obtuse angle alpha between two center lines of protuberance 20 is set to 100-
120 degree can then be spaced apart ignition electrode and thermocouple, both is not interfered, and the flame of sufficient stabilization is can guarantee that again
It is supplied to ignition electrode and thermocouple.
The through hole 26 of first through hole 24 and second passes through air supplemental tank 22 so that the through hole 26 of first through hole 24 and second connects
Blowing air supplemental tank 22.
In one embodiment, the first fire hole of covering part 14 of protuberance 20, protuberance 20 along the first fire hole 14 outlet
Direction offers outlet passageway 28.
So, it is ensured that protuberance 20 there are enough height, the fire on ignition electrode and thermocouple detection fire cover 100 is facilitated
Flame.Meanwhile, the outlet passageway 28 for wearing protuberance 20 avoids protuberance 20 and blocks the first fire hole 14 completely, so as to ensure that fire
The efficiency of heating surface of lid 100.
Specifically, the top surface 21 of protuberance 20 is located at the first fire hole 14 for being raised the part overlaid of portion 20 in the side of lid 10
/ 2nd positions 142 high at the opening of the first fire hole 14 formed on wall 12.
In this way, the through hole 26 of first through hole 24 and second is close proximity to the first fire hole 14, the through hole 26 of first through hole 24 and second
Place can keep the flame of stabilization, it is ensured that the stability of flame on duty.
In one embodiment, the thickness a of protuberance 20 is 3.5-4.5 millimeters (see Fig. 2).
Thickness a in the embodiment of the present invention is the distance of the side 23 apart from the surface of side wall 12 of lid 10 of protuberance.
So, it is ensured that the length of the through hole 26 of first through hole 24 and second so that fuel gas flow enters from combustion gas chamber 16
After the through hole 26 of first through hole 24 and second, because air flow path narrows, formed and accelerated, make flame logical in first through hole 24 and second
The burning at first opening 242 and the second opening 262 of the surface formation of protuberance 20 of hole 26 is more stable.
Further, in embodiments of the present invention, the width b of protuberance 20 is 3.5-4.5 millimeters (see Fig. 4).
Width b in the embodiment of the present invention refers to two distances of junction of protuberance 20 and the connection of side wall 12.
In this way, when avoiding the top surface 21 of protuberance 20 and can not completely block two wherein adjacent the first fire holes 14, that
Two outlets of the first fire hole 14 are disorderly, influence the situation of flame holding.Meanwhile, the width of the protuberance 20 in the embodiment of the present invention
Degree b also assures that the pore size of the through hole 26 of first through hole 24 and second being opened in protuberance 20 so that fuel gas flow energy
Quickly move smoothly through the through hole 26 of first through hole 24 and second.
In one embodiment, entrance 264 of second through hole 26 in combustion gas chamber 16 is located at the first fire hole 14 in combustion gas
The lower section of the entrance 144 in chamber 16.Entrance 144 of first fire hole 14 in combustion gas chamber 16 is located at first through hole 24 in combustion gas
The lower section of the entrance 246 in chamber 16.Outlet 242 of the first through hole 24 outside combustion gas chamber 16 is located at the second through hole 26 in combustion gas
The top of the outlet 262 outside chamber 16.Outlet of first fire hole 14 outside combustion gas chamber 16 is located at first through hole 24 in gas chamber
The top of the outlet 242 outside room 16.
In this way, after fuel gas flow enters combustion gas chamber 16, be introduced into the second through hole 26, and opening at the second through hole 26
Mouth 262 burns, and is arranged on the thermocouple detection near the second through hole 26, and then a large amount of fuel gas flows could be from combustion gas chamber 16
Into the first fire hole 14, heating flame is formed.The waste of combustion gas is avoided, the energy has been saved.Also avoid fuel gas flow simultaneously
Situation about burning still from the first fire hole 14 and the second fire hole 30 out, eliminates potential safety hazard.Additionally, by first
Entrance 144 of the fire hole 14 in combustion gas chamber 16 is arranged on entrance 264 top of second through hole 26 in combustion gas chamber 16, is easy to
The combustion gas for having abundance enters the first fire hole 14.And the outlet 262 of the second through hole 26 is arranged in the outlet 242 of first through hole 24
Side, is conducive to further improving the steady flame effect of the through hole 26 of first through hole 24 and second.
In one embodiment, air supplemental tank 22 extends to the top surface 21 of protuberance 20 from the side 23 of protuberance 20.
The bottom surface of air supplemental tank 22 extends inwardly to form cambered surface or inclined-plane by the side 23 of protuberance 20.First through hole 24 and second is led to
Hole 26 wears cambered surface or inclined-plane.
In this way, air supplemental tank 22 is the quick supplement large quantity of air of 24 and second through hole of first through hole 26, it is easy to first to open
Flame combustion at the opening 262 of mouth 242 and second is more stable.The bottom surface of air supplemental tank 22 is inside by the side 23 of protuberance 20
Extension forms cambered surface or inclined-plane so that more smooth during air air inlet supplemental tank 22, and the flow velocity of fuel gas flow is also faster.
Specifically, in the embodiment of the present invention, the bottom surface of air supplemental tank 22 is extended internally shape by the side 23 of protuberance 20
Into, and be cambered surface.
In addition, ultimate range of the bottom surface of air supplemental tank 22 apart from the bottom of protuberance 20 is 2 millimeters.Air supplemental tank
22 width d is 0.6-1 millimeters, preferably 0.8 millimeter.
In this way, air supplemental tank 22 is more long and narrow, protuberance 20 is allowed more air into, meanwhile, air supplemental tank 22
Make air velocity very fast, keep the stability of flame combustion at the first opening 242 and the second opening 262.
In one embodiment, the top surface 21 of protuberance 20 is 1.5-2.5 millimeters, first through hole 24 apart from lid top surface 18
Axial line distance protuberance 20 top surface 21 be 1-2 millimeters, the second through hole 26 forms second on the side 23 of protuberance 20 and opens
Mouth 262, first through hole 24 forms the first opening 242, the first opening 242 and the second opening 262 on the side 23 of protuberance 20
The distance between e be 1-2 millimeters.
In this way, while the flame at the through hole 26 of first through hole 24 and second keeps stabilization burning, not interfering with first and leading to
The thermal efficiency of the through hole 26 of hole 24 and second, it is to avoid the position that 24 and second through hole of first through hole 26 is set is too low and cause to produce
The situation of energy dissipation.
Specifically, in embodiments of the present invention, 2 millimeters of the distance between top surface 21 and lid top surface 18 of protuberance 20,
2 millimeters of the distance between the axis of first through hole 24 and the top surface 21 of protuberance 20, second opening 262 with first be open 242 it
Between distance be 1.5 millimeters.
In this way, fire cover 100 can reach preferably implementation result, the flame combustion in fire cover 100 is stable and is easy to ignition electrode
Igniting and thermocouple detection.
In one embodiment, internal diameter of the internal diameter of first through hole 24 more than the second through hole 26.
In this way, the through hole of first through hole 24 to the second 26 accommodates more fuel gas flows, the fuel gas flow in the second through hole 26
Air velocity then than the fuel gas flow speed in first through hole 24 faster so that fuel gas flow opening in first through hole 24
There is fierce staggeredly convection current at mouthful and at the opening of the second through hole 26, further ensure the stability of flame on duty.
In embodiments of the present invention, the opening of first through hole 24 is the first opening 242, and the opening of the second through hole 26 is second
Opening 262.
Specifically, in one example, the aperture of first through hole 24 is 2 millimeters, and the aperture of the second through hole 26 is 1.5 millis
Rice.
In this way, the flame at the first opening 242 and the second opening 262 reaches steady flame effect preferably on duty.
In one embodiment, the angle β for being formed between the axis of the second through hole 26 and the axis of fire cover 100 is sharp
Angle.
In this way, the fuel gas flow in combustion gas chamber 16 more smooth can more quickly enter the second through hole 26, second is kept to open
Flame combustion at mouth 262 is more stable.
Specifically, in embodiments of the present invention, the folder for being formed between the axis of the second through hole 26 and the axis of fire cover 100
Angle beta is 75 degree.
In this way, the second through hole 26 reaches preferably implementation result.
In one embodiment, fire cover 100 also includes the second fire hole 30 that relative lid 10 is obliquely installed.Second fire hole 30
Connection combustion gas chamber 16.Lid top surface 18 is provided with the shielding plate 32 positioned at the top of the second fire hole 30.Shielding plate 32 and lid 18
Between formed connection the second fire hole 30 steady flame groove 34.
In this way, the fuel gas flow in combustion gas chamber 16 enters steady flame groove 34 by the second fire hole 30, and shielding plate 32 is impacted,
Rapidly air-flow is formed, is further spread in steady flame groove 34, interlocked with the interior fuel gas flow out of the first fire hole 14 and liquidate, two
Fuel gas flow mutually draws, and makes steady flame groove 34 play a part of to stablize the flame that the first fire hole 14 is formed.
Specifically, steady flame groove 34 is annular in shape.The notch direction P1 of steady flame groove 34 and the opening direction P2 shapes of the second fire hole 14
Into angle be acute angle ε.
In embodiments of the present invention, the notch direction P1 of steady flame groove 34 is sharp with what the opening direction P2 of the second fire hole 14 was formed
Angle ε is 30-60 degree, preferably 45 degree.
In embodiments of the present invention, the first fire hole 14 is the main fire hole of fire cover 100, and the second fire hole 30 is secondary for fire cover 100
Fire hole, the aperture of the first fire hole 14 is big compared with the aperture of the second fire hole 30.
Specifically, the air-flow of steady flame groove 34 can be provided by the second fire hole 30, and air-flow is by the second fire hole 30 in steady flame groove 34
Interior further diffusion, and the air-flow sprayed from the notch of steady flame groove 34 interlocks with the air-flows from the ejections of the first opening 242 and liquidates,
Two air-flows are mutually drawn, and the flame on duty of stabilization burning is formed in the notch position of steady flame groove 34, can firmly hold the first fire
The air-flow in hole 14 makes the burning of combustion gas at fire cover 100 more stable to form combustion stablized advection flame.
In embodiments of the present invention, it is preferred that the width of rebate c of steady flame groove 34 is 1 millimeter.
Specifically, Fig. 2 is refer to, the top of combustion gas chamber 16 is in gradually-reducing shape from the bottom of fire cover 100 to the top of fire cover 100.
In this way, after fuel gas flow enters the impact shielding plate 32 of combustion gas chamber 16, tapered structure makes fuel gas flow stably
Enter into the first fire hole 14, the second fire hole 30, the through hole 26 of first through hole 24 and second, it is to avoid fuel gas flow impact shielding plate 32
Turbulent flow, the situation of influence flame combustion stability are formed afterwards.
In one embodiment, adjacent two the first fire holes 14 connection first through hole 24.
So, on the one hand, the fuel gas flow in the first fire hole 14 can be supplemented to first through hole 24, it is ensured that first through hole 24
Middle fuel gas flow is sufficient, so as to the stabilization burning of flame at the opening that ensure that first through hole 24.On the other hand, first through hole 24
Two the first fire holes 14 of connection, due to the connection of the first fire hole 14 air supplemental tank 22 so that air supplemental tank 22 also with two the
One fire hole 14 is connected, and also can provide air to the first fire hole 14 by air supplemental tank 22, and then improve the combustion of the first fire hole 14
Burn efficiency.
Specifically, the first fire hole 14 wears first through hole 24, and an inclined hole 244 is formed with first through hole 24.
In this way, inclined hole 244 causes fuel gas flow formation after entering first through hole 24 and wearing the first fire hole 14 therein
Bifurcated, accelerates fuel gas flow into the flowing velocity of first through hole 24, further ensures flame combustion at first through hole 24
Stability.
In one embodiment, the groove position 11 that air supplemental tank 22 is formed on the side wall 12 of lid 10 is located at adjacent
Between two the first fire holes 14.
In this way, two burnings of the first fire hole 14 can be driven by a first through hole 24, and then cause all first fire
Combustion gas at hole 14 can be ignited quickly, it is ensured that the efficiency of heating surface.
The burner of the embodiment of the present invention, including combustion gas cavity and any of the above-described embodiment fire cover 100.Fire cover 100 sets
Put on combustion gas cavity.
In the burner of the embodiment of the present invention, sprayed from the fuel gas flow of the ejection of first through hole 24 and from the second through hole 26
Fuel gas flow interlocks and liquidates, mutually traction, forms the flame on duty of stabilization burning.Meanwhile, air supplemental tank 22 is first through hole
24 and the second combustion gas supplement large quantity of air at through hole 26, it is ensured that flame on duty burning is more stable, and then improves burner
Protect fiery performance.Protuberance 20 then reduces the distance between flame in ignition electrode, thermocouple and fire cover 100, more facilitates a little
Fiery pin and thermocouple are detected, it is ensured that the security that burner is used.Second fire hole 30 fuel gas flow impact shielding plate 32 out
The flame of almost horizontal is formed, and the burned flame obliquely pind down from the first fire hole 14 out forms the fire on duty of stabilization
Flame, is heated.
Specifically, in embodiments of the present invention, fire cover 100 as burner interior ring fire cover, combustion gas cavity is used as burning
The inner ring cavity of device.Certainly, the setting of other manner is carried out to fire cover 100 and combustion gas cavity also dependent on actual conditions, herein
It is not specifically limited.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " illustrative examples ",
The description of " example ", " specific example " or " some examples " etc. mean to combine the specific features that the embodiment or example describe,
Structure, material or feature are contained at least one embodiment of the invention or example.In this manual, to above-mentioned term
Schematic representation be not necessarily referring to identical embodiment or example.And, the specific features of description, structure, material or
Feature can in an appropriate manner be combined in one or more any embodiments or example.
Although an embodiment of the present invention has been shown and described, it will be understood by those skilled in the art that：Not
Can these embodiments be carried out with various changes, modification, replacement and modification in the case of departing from principle of the invention and objective, this
The scope of invention is limited by claim and its equivalent.
Claims (10)
1. a kind of fire cover, for burner, it is characterised in that the fire cover includes：
Lid, the side wall of the lid offers multiple first fire holes, and the lid surrounds the multiple first fire hole of connection
Combustion gas chamber；
Protuberance, the protuberance projection is on the side wall of the lid, and the protuberance offers air supplemental tank, described convex
Go out portion and be formed with first through hole and the second through hole, the first through hole is set in horizontal direction, second through hole is relative to institute
State first through hole to be inclined upwardly setting along inside to the outside of the combustion gas chamber, the first through hole and second through hole are worn
Cross the air supplemental tank and connect the combustion gas chamber.
2. fire cover according to claim 1, it is characterised in that the first fire hole described in the protuberance covering part, it is described
Protuberance offers outlet passageway along the outgassing direction of first fire hole.
3. fire cover according to claim 1, it is characterised in that entrance position of second through hole in the gas chamber room
In the lower section of entrance of first fire hole in the gas chamber room；Entrance of first fire hole in the gas chamber room
Positioned at the lower section of entrance of the first through hole in the gas chamber room；
Outlet of the first through hole outside the gas chamber room is located at outlet of second through hole outside the gas chamber room
Top；Outlet of first fire hole outside the gas chamber room is located at the first through hole going out outside the gas chamber room
The top of mouth.
4. fire cover according to claim 1, it is characterised in that the air supplemental tank extends from the side of the protuberance
To the top surface of the protuberance, the bottom surface of the air supplemental tank extends inwardly to form cambered surface or oblique by the side of the protuberance
Face, the first through hole and the second through hole wear the cambered surface or inclined-plane.
5. fire cover according to claim 1, it is characterised in that the top surface of the protuberance is apart from the side wall top of the lid
Face 1.5-2.5 millimeters, top surface 1-2 millimeters of protuberance described in the axial line distance of the first through hole, second through hole is in institute
State and formed on the side of protuberance the second opening, the first through hole forms the first opening, institute on the side of the protuberance
The distance between the first opening and described second opening are stated for 1-2 millimeters.
6. fire cover according to claim 1, it is characterised in that the internal diameter of the first through hole is more than second through hole
Internal diameter.
7. fire cover according to claim 1, it is characterised in that the fire cover also includes what relatively described lid was obliquely installed
Second fire hole, second fire hole connects the combustion gas chamber,
The top surface of the lid is provided with the top of the shielding plate above second fire hole, the shielding plate and the lid
The steady flame groove of connection second fire hole is formed between face.
8. fire cover according to claim 1, it is characterised in that two adjacent the first fire holes connections described first are led to
Hole.
9. fire cover according to claim 8, it is characterised in that the air supplemental tank is formed on the side wall of the lid
Groove position be located at two adjacent first fire holes between.
10. a kind of burner, it is characterised in that including the fire cover described in combustion gas cavity and claim any one of 1-9, the fire
Lid is arranged on the combustion gas cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710210949.8A CN106931438B (en) | 2017-03-31 | 2017-03-31 | Fire cover and burner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710210949.8A CN106931438B (en) | 2017-03-31 | 2017-03-31 | Fire cover and burner |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106931438A true CN106931438A (en) | 2017-07-07 |
| CN106931438B CN106931438B (en) | 2019-06-28 |
Family
ID=59425147
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710210949.8A Active CN106931438B (en) | 2017-03-31 | 2017-03-31 | Fire cover and burner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106931438B (en) |
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| CN107339692A (en) * | 2017-08-07 | 2017-11-10 | 广东美的厨房电器制造有限公司 | Burner and gas kitchen ranges |
| CN107355828A (en) * | 2017-08-28 | 2017-11-17 | 武义勤艺金属制品有限公司 | A kind of type of respiration bilayer gas skirt |
| CN110566966A (en) * | 2019-09-26 | 2019-12-13 | 宁波方太厨具有限公司 | Fire cover of kitchen range |
| CN111256116A (en) * | 2018-11-30 | 2020-06-09 | 宁波方太厨具有限公司 | Fire cover for gas stove |
| CN112393242A (en) * | 2020-09-25 | 2021-02-23 | 中山市英伦贝蒂电器有限公司 | Novel gas nozzle capable of achieving sufficient combustion |
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| Publication number | Publication date |
|---|---|
| CN106931438B (en) | 2019-06-28 |
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Effective date of registration: 20221220 Address after: 241000 west side of 3 / F, No.5 office building, new energy and new materials gathering area, Fuzhou Road, Jiangbei District, Wuhu City, Anhui Province Patentee after: Wuhu Midea intelligent kitchen electricity Manufacturing Co.,Ltd. Address before: 528311 Yongan Road, Beijiao Town, Shunde District, Foshan, Guangdong 6 Patentee before: GUANGDONG MIDEA KITCHEN APPLIANCES MANUFACTURING Co.,Ltd. Patentee before: MIDEA GROUP Co.,Ltd. |
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