CN106594731A - Fire cover of combustor - Google Patents
Fire cover of combustor Download PDFInfo
- Publication number
- CN106594731A CN106594731A CN201611208893.4A CN201611208893A CN106594731A CN 106594731 A CN106594731 A CN 106594731A CN 201611208893 A CN201611208893 A CN 201611208893A CN 106594731 A CN106594731 A CN 106594731A
- Authority
- CN
- China
- Prior art keywords
- fire cover
- ring fire
- fire
- flange
- cover
- 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.)
- Pending
Links
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 fire cover of a combustor. The fire cover of the combustor comprises an annular outer ring fire cover. A plurality of outer ring fire holes are formed in the peripheral wall of the outer ring fire cover. The fire cover of the combustor is characterized in that at least two layers of upwardly protruding flanges are arranged on the top face of the outer ring fire cover, the flanges are upwardly arranged in a spacing manner inside and outside, a sunken depression portion is formed between two adjacent layers of flanges, and the flanges are higher than the outer ring fire holes. By arranging the multiple layers of flanges, high-temperature flue gas passes through to form a continuous throttling expanding effect, so that the heat exchange coefficient with cookware is increased, and therefore, the heat efficiency is improved.
Description
Technical field
The present invention relates to a kind of gas kitchen ranges, especially a kind of burner fire lid of gas kitchen ranges.
Background technology
Gas-cooker is the kitchen tools commonly used in people's daily life, and gas-cooker is broadly divided into LFG and is fired for fuel
The kitchen range of burning, LFG can be natural gas, liquefied gas, biogas etc., according to the species difference of LFG, gas-cooker
Various, such as liquefied gas cooker, gas range, natural gas range etc. can be divided into.Certainly, gas-cooker can be being divided into list according to structure difference
Stove, double stoves, single-hole range, multi-hole kitchen range, desk-top embedded stove etc..
Burner is the vitals of gas-cooker, and the burner structure of current household gas range mostly is circular configuration, is burnt
In multi-ring flame forms.A kind of burner as disclosed in the Chinese patent of Application No. 201410719979.8, including furnace head base；
Distributor, is connected with furnace head base；Central flame cap, is arranged in distributor and is connected with distributor；External ring fire cover, its inner circumferential
Face has multiple interior fire-assembling holes, and its outer peripheral face has multiple outer fire jetting holes, and external ring fire cover is located at the periphery of central flame cap and arranges
It is connected in distributor and with distributor, wherein, external ring fire cover is cooperated with distributor so that external ring fire cover has cohesion
First state and disconnect the second state for connecting that fire hole is connected with outer fire jetting hole；And for example Application No. 201610200024.0
Chinese patent disclosed in a kind of steady flame structure of band burner, including the fire cover of little fire cover and annular, distribution of air flow body, small fire
Lid has main fire hole positioned at centre position in fire cover, in fire cover, and positioned at the lower section of main fire hole, the steady flame with inside and outside extension leads to
Road, wherein fire cover form a cavity with distribution of air flow body, communicate with main fire hole and the steady flame passage, and little fire cover is divided with air-flow
The gas channel of part is communicated, and also there are some pores in small fire outer side of lid portion, for producing combustion flame.
These above-mentioned existing burners, its flue gas for producing are generally laminar condition, have with the intensity that exchanges in the bottom of a pan
Limit, the thermal efficiency are relatively low.
The content of the invention
The technical problem to be solved is the problem existed for above-mentioned prior art, there is provided a kind of thermal efficiency
Burner fire lid.
The present invention solve the technical scheme that adopted of above-mentioned technical problem for：A kind of burner fire lid, including ring-type is outer
Ring fire cover, offers multiple outer shroud fire holes on the perisporium of the external ring fire cover, it is characterised in that：The top surface of the external ring fire cover sets
The flange that at least two-layer raises up is equipped with, the flange diametrically arrange by inside and outside compartment of terrain, shape between adjacent two layers flange
Into to recessed depressed part, and the flange is higher than outer shroud fire hole.
To avoid because the spacing between adjacent two layers flange is too small, it is impossible to form restriction effect, avoid because of adjacent two layers again
Spacing between flange is excessive and cause velocity of flue gas excessively slow, the spacing between adjacent two layers flange is 5mm～10mm.
Cannot avoid depth excessive again and be unfavorable for cleaning so that flue gas spreads to avoid as depth is too small, it is described
The depth of depressed part is 4mm～5mm.
To avoid the flame of outer shroud fire hole when in use from heating pan bracket, and thermal loss is caused, and be easy to cleaning, institute
The top surface for stating external ring fire cover is further opened with multiple breach, and the bottom of the breach is not higher than outer shroud fire hole, so that described outer
Ring fire cover does not have outer shroud fire hole in indentation, there.
To expand the size adjustment scope of flame, the burner fire lid also includes the interior ring fire on the inside of external ring fire cover
Lid.
For ease of the high-temperature flue gas circulation of the flame formation of interior ring fire cover, the interior ring fire cover is less than external ring fire cover.
Compared with prior art, it is an advantage of the current invention that：By arranging multilamellar flange, high-temperature flue gas can be caused to pass through
When, continuous throttling expansionary effect is formed, is increased the heat exchange coefficient with pan, is thus improved the thermal efficiency.
Description of the drawings
Fig. 1 is the schematic diagram of the fire cover of the present invention；
Fig. 2 is the sectional view of the external ring fire cover of the present invention；
The use state schematic diagram of the burner that Fig. 3 is applied by the fire cover of the present invention；
Sectional views of the Fig. 4 for Fig. 3.
Specific embodiment
The present invention is described in further detail below in conjunction with accompanying drawing embodiment.
Referring to Fig. 1 and Fig. 2, a kind of burner fire lid, including interior ring fire cover 1 and external ring fire cover 2, interior ring fire cover 1 are in cylinder
Shape, in annular shape, interior ring fire cover 1 is located on the inside of external ring fire cover 2 external ring fire cover 2, and is less than external ring fire cover 2.
Internal ring fire hole 11 is offered on the top of interior ring fire cover 1 and perisporium, on the perisporium of external ring fire cover 2, outer shroud is offered
Fire hole 24.
The top surface of external ring fire cover 2 is provided with the flange that at least two-layer raises up, in the present embodiment, with two-layer,
That is as a example by the first flange 21 and the second flange 22.First flange, 21 compartment of terrain is arranged in the radially inner side of the second flange 22, and first
There is between flange 21 and the second flange 22 depressed part 23.First flange 21 and the second flange 22 are higher than outer shroud fire hole 24, highly
Difference is 4mm～8mm, more preferably 6mm.
The top surface of external ring fire cover 2 is further opened with breach 25, and breach 25 is advisable with 4～8, and width is preferably 12mm.Lack
The bottom of mouth 25 is not higher than outer shroud fire hole 24, and thus external ring fire cover 2 does not have outer shroud fire hole 24 at breach 25.
Referring to Fig. 3 and Fig. 4, during use, the breach 25 on external ring fire cover 2 is corresponding with the bracing frame 31 of pan bracket 3, pan 4
It is supported on the bracing frame 31 of pan bracket 3.Thus, the bracing frame 31 of pan bracket 3 avoids flame heating not just to outer ring fire hole 24
Bracing frame 31 and cause heat-energy losses.And as interior ring fire cover 1 is less than external ring fire cover 2, the height of the flame formation of interior ring fire cover 1
A warm flue gas part can be flowed out from breach 25, and the gap that another part can pass through between 4 base plate of fire cover and pan is flowed out.Additionally,
When having liquid to overflow in pan 4, stream is removed by being convenient to ground to the liquid in breach 25.
When high-temperature flue gas from flow through between 4 bottom of external ring fire cover 2 and pan when, at flange, external ring fire cover 2 and pan 4
Spacing between bottom reduces so that flue gas is compressed, and the spacing between recess, 4 bottom of external ring fire cover 2 and pan increases
Greatly so that flue gas is expanded, thus, by arranging multilamellar flange, high-temperature flue gas can be caused when passing through, forms continuous throttling expansion
Effect, increases heat exchange coefficient, improves the thermal efficiency.
Second flange 22 is not less than the spacing between the first flange 21, and the first flange 21 and the second flange 22 for 5mm
～10mm, thus can avoid because the spacing between adjacent two layers flange is too small, it is impossible to form restriction effect, be avoided that because adjacent again
Spacing between two-layer flange is excessive and causes velocity of flue gas excessively slow.The depth of depressed part 23 is 4mm～5mm, thus can be avoided
Flue gas cannot be caused to spread as depth is too small, be avoided that depth is excessive again and be unfavorable for cleaning.
Claims (6)
1. a kind of external ring fire cover (2) of burner fire lid, including ring-type, offers on the perisporium of the external ring fire cover (2) multiple
Outer shroud fire hole (24), it is characterised in that：The top surface of the external ring fire cover (2) is provided with the flange that at least two-layer raises up, institute
Flange diametrically inside and outside compartment of terrain arrangement is stated, is formed between adjacent two layers flange to recessed depressed part (23), and it is described
Flange is higher than outer shroud fire hole (24).
2. burner fire lid as claimed in claim 1, it is characterised in that：Spacing between adjacent two layers flange be 5mm～
10mm。
3. burner fire lid as claimed in claim 1, it is characterised in that：The depth of the depressed part (23) is 4mm～5mm.
4. the burner fire lid as any one of claims 1 to 3, it is characterised in that：The top surface of the external ring fire cover (2)
Multiple breach (25) are further opened with, the bottom of the breach (25) is not higher than outer shroud fire hole (24), so that the outer ring fire
Lid (2) does not have outer shroud fire hole (24) at breach (25) place.
5. burner fire lid as claimed in claim 4, it is characterised in that：The burner fire lid is also included positioned at external ring fire cover
(2) the interior ring fire cover (1) on the inside of.
6. burner fire lid as claimed in claim 5, it is characterised in that：The interior ring fire cover (1) is less than external ring fire cover (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611208893.4A CN106594731A (en) | 2016-12-23 | 2016-12-23 | Fire cover of combustor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611208893.4A CN106594731A (en) | 2016-12-23 | 2016-12-23 | Fire cover of combustor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106594731A true CN106594731A (en) | 2017-04-26 |
Family
ID=58603497
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611208893.4A Pending CN106594731A (en) | 2016-12-23 | 2016-12-23 | Fire cover of combustor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106594731A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108469025A (en) * | 2018-04-04 | 2018-08-31 | 广东美的厨房电器制造有限公司 | Fire cover, burner and burning kitchen tools |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6146132A (en) * | 1999-08-14 | 2000-11-14 | Harneit; Uwe | Gas burner for outdoor cooking |
| CN2575486Y (en) * | 2002-08-30 | 2003-09-24 | 江苏光芒燃具股份有限公司 | Multifunction jet swirler |
| CN201110546Y (en) * | 2007-10-19 | 2008-09-03 | 廖珈 | Novel gas range combusting device |
| CN102116476A (en) * | 2011-02-14 | 2011-07-06 | 杭州老板电器股份有限公司 | High-efficiency energy-saving environment-friendly burner |
| CN204187618U (en) * | 2014-10-23 | 2015-03-04 | 绍兴康尼电器有限公司 | The main internal rotating burner of segmentation |
| CN206274167U (en) * | 2016-12-23 | 2017-06-23 | 宁波方太厨具有限公司 | A kind of burner fire lid |
-
2016
- 2016-12-23 CN CN201611208893.4A patent/CN106594731A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6146132A (en) * | 1999-08-14 | 2000-11-14 | Harneit; Uwe | Gas burner for outdoor cooking |
| CN2575486Y (en) * | 2002-08-30 | 2003-09-24 | 江苏光芒燃具股份有限公司 | Multifunction jet swirler |
| CN201110546Y (en) * | 2007-10-19 | 2008-09-03 | 廖珈 | Novel gas range combusting device |
| CN102116476A (en) * | 2011-02-14 | 2011-07-06 | 杭州老板电器股份有限公司 | High-efficiency energy-saving environment-friendly burner |
| CN204187618U (en) * | 2014-10-23 | 2015-03-04 | 绍兴康尼电器有限公司 | The main internal rotating burner of segmentation |
| CN206274167U (en) * | 2016-12-23 | 2017-06-23 | 宁波方太厨具有限公司 | A kind of burner fire lid |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108469025A (en) * | 2018-04-04 | 2018-08-31 | 广东美的厨房电器制造有限公司 | Fire cover, burner and burning kitchen tools |
| CN108469025B (en) * | 2018-04-04 | 2019-10-25 | 广东美的厨房电器制造有限公司 | Fire cover, burner and burning kitchen tools |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170426 |