CN106439937B - A kind of anti-backfire domestic gas pot and stove - Google Patents

A kind of anti-backfire domestic gas pot and stove Download PDF

Info

Publication number
CN106439937B
CN106439937B CN201610946408.7A CN201610946408A CN106439937B CN 106439937 B CN106439937 B CN 106439937B CN 201610946408 A CN201610946408 A CN 201610946408A CN 106439937 B CN106439937 B CN 106439937B
Authority
CN
China
Prior art keywords
plate
burner
pot
air distribution
foam
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.)
Expired - Fee Related
Application number
CN201610946408.7A
Other languages
Chinese (zh)
Other versions
CN106439937A (en
Inventor
张敬奎
牟永强
董华
李本文
陈元元
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Qingdao University of Technology
Original Assignee
Qingdao University of Technology
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Qingdao University of Technology filed Critical Qingdao University of Technology
Priority to CN201610946408.7A priority Critical patent/CN106439937B/en
Publication of CN106439937A publication Critical patent/CN106439937A/en
Application granted granted Critical
Publication of CN106439937B publication Critical patent/CN106439937B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24CDOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
    • F24C3/00Stoves or ranges for gaseous fuels
    • F24C3/008Ranges
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24CDOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
    • F24C15/00Details
    • F24C15/22Reflectors for radiation heaters
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24CDOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
    • F24C3/00Stoves or ranges for gaseous fuels
    • F24C3/12Arrangement or mounting of control or safety devices
    • F24C3/126Arrangement or mounting of control or safety devices on ranges

Abstract

The present invention relates to a kind of anti-backfire domestic gas pots and stoves, including burner, hearth, pan bracket, reflecting plate and the band coating pot of outer bottom, burner is the burner of porous media radiant heating section premix, double-deck unordered hole foam-like honeycomb ceramic plate is used in burner, material is silicon carbide and alumina mixture ceramic wafer, upper foam shape honeycomb ceramic plate ppi (aperture) is 15~40, and lower layer is 40~60.Refractory fiber floor is equipped between foam-like honeycomb ceramic plate and shell slot.The shell slot of hearth and burner is connected, and pan bracket is equipped on hearth, and the upward reflecting plate of horn mouth is welded on the inside of pan bracket, and reflecting plate is made of stainless sheet steel or copper sheet, and reflecting plate is with hearth at 45 degree of angles.The advantages such as the burner flames of anger when gas burning pot stove of the present invention uses has energy saving, anti-backfire, and the thermal efficiency is high, and the burn-off rate of combustion gas is high, and pollutant discharge amount is low.

Description

A kind of anti-backfire domestic gas pot and stove
Technical field
The present invention relates to a kind of anti-backfire domestic gas pots and stoves, specifically a kind of to be added using double-layer porous working medium radiation The partial premix combustor of heat, hearth, pan bracket, the anti-backfire domestic gas pot and stove of reflecting plate and the band coating pot combination of outer bottom.
Background technology
Traditional civil gas stove operation principle is that combustion gas passes through appendix, valve opening, gas valve core, ejector pipe, nozzle and air Mixing, into burner, the flame being mixed to form by valve, fire cover and air secondary burns in external environment, generally Combustion gas is directly burnt in an atmosphere, predominantly open firing, is divided into upper air inlet, lower air inlet and complete three kinds of air inlet.
Atmospheric burning type of the burning of gaseous fuel mainly characterized by free flame in China's production and living at present, this Kind traditional combustion gas and air pre-mixing is burnt with very thin free flame when burning inevitable that Temperature Distribution Uneven, the shortcomings of combustion zone is narrow, the thermal efficiency is low, pollutant emission is high.This is mainly due to the heat conductivility of gas and spokes It is poor to penetrate performance, gas flowfield is difficult to reach and be uniformly distributed, and gas heat-transfer is insufficient, keeps the chemical reaction of burning very narrow at one Region in carry out, so burn-out degree and pollutant discharge amount are higher.In addition, open fire and external environment visibility are big, it is most of Burning analysis heat causes flame having to the bottom of a pan with the air of convection type circumference and with the wall surface of radiation mode circumference Effect heat transfer is few, and the thermal efficiency is low.And arrange thermal coefficient and the higher solid porous media material of emissivity in combustion zone, tissue Combustion reaction is completed in porous media, by the form heating kettle bottom of hyperthermia radiation, then can improve drawbacks described above.
Therefore the fast-developing in the industrial production in recent years burner of porous media, the burner of porous media have Lot of advantages, including smaller lean limit, higher burn rate and combustion stability, burner is small, combustion gas Burning is complete, so that NOx, CO pollutant load generated after burning is greatly reduced, these advantages meet current energy-saving and emission-reduction very much State basic policy, therefore it is necessary to develop a kind of energy-saving and energy anti-backfire domestic gas pot and stove.
Invention content
The purpose of the invention is to overcome burner heating temperature existing for existing domestic gas pot and stove to be unevenly distributed, The problems such as efficiency of heating surface is low, and pollutant emission is high, and a kind of high performance, energy saving porous foam ceramic plate part is provided The burner of premixed gas fuel improves the efficiency of heating surface for improving heating quality, reduces pollutant emission, it is safe to use can It is leaning on and can anti-backfire domestic gas pot and stove.
To achieve the above object, the technical solution adopted by the present invention is that:A kind of anti-backfire domestic gas pot and stove is provided, including Burner, hearth, pan bracket and pot, pan bracket are mounted on the hearth of gas burning pot stove, shell slot inner wall and the shell slot of burner The space that bottom plate surrounds from top to bottom is disposed with foam-like honeycomb ceramic plate, heat-resisting steel bracket, top layer air distribution plate, middle layer Air distribution plate, bottom air distribution plate and support column are equipped with heat-resisting steel bracket between foam-like honeycomb ceramic plate and top layer air distribution plate, Top layer air distribution plate is located at by cyclic annular fire resisting gasket on the retainer plate of shell slot inner wall welding;Middle layer air distribution plate passes through cyclic annular resistance to Fiery gasket is located on the boss of shell slot inner wall;Screw, plain washer and spring shim are passed through by support column above the bottom plate of shell slot Bottom air distribution plate is installed;4 air intake ducts, the bottom plate lower central installation of shell slot are uniformly distributed on peripheries with below the bottom plate of shell slot There is gaseous mixture air inlet pipe;It is equipped with baffle plate between the outer wall and inner wall of shell slot, secondary air inlet is evenly equipped on the inner wall of shell slot;
Refractory fiber floor is equipped between the shell slot inner wall and foam-like honeycomb ceramic plate of the burner;
The burner is the partly-premixed gas radiant heating type of porous media, and burner is steeped using double-deck unordered hole Foam shape honeycomb ceramic plate, material are the foam-like honeycomb ceramic plate of silicon carbide and alumina mixture;
Double-deck unordered hole foam-like honeycomb ceramic plate upper layer apertures ppi are 15~40, and lower layer is 40~60;
The hearth is connected with shell slot, and hearth is equipped with reflecting plate, and reflecting plate one end is welded in shell groove top portion, other end weldering On the inside of pan bracket, reflecting plate is used to the heat that burner radiation and pot outer bottom give off reflecting twice-cooked stir-frying outer bottom;
The pot is the band coating pot of outer bottom, i.e. pot outer bottom is coated with coating comprehensively.
Portion of air enters the cavity that shell slot outer wall is constituted with inner wall by air intake duct in the burner, empty Gas is entered by secondary air inlet uniformly distributed on shell slot inner wall above middle layer air distribution plate after baffle plate baffling, and when use is another Portion of air enters from gaseous mixture air inlet pipe in shell slot after being pre-mixed by three-way pipe with combustion gas, the mixed gas after pre- mixing It is entered above middle layer air distribution plate by bottom air distribution plate, two parts gas is between middle layer air distribution plate and top layer air distribution plate It burns in porous foam-like ceramic honey comb intralamellar part and surface after being mixed again.
The tubaeform of upward opening is made using stainless sheet steel or copper sheet in the reflecting plate, reflecting plate and hearth at 45 degree of angles.
The coating of the pot outer bottom of the band coating pot of the outer bottom is a kind of coating in perovskite or spinelle or silicon carbide. Using a kind of material in perovskite, spinelle, silicon carbide as primer outside the pot of the band coating pot of outer bottom in the present invention, be because This kind of coating has larger blackness and high temperature resistance, more to efficiently absorb the production of porous media radiant heating burner The heat of raw heat and baffle reflection.
The burner of the present invention uses foam-like honeycomb ceramic plate, heat-resisting steel bracket, top layer air distribution plate, middle layer cloth wind The components such as plate and bottom air distribution plate, ensure that burner it is efficient, it is energy saving and reduce pollutant discharge capacity.It is pre- in shell slot inside points The heat that mixed fuel gas buring generates passes to the external world by foam-like honeycomb ceramic plate, unordered tiny in foam-like honeycomb ceramic plate Hole can better ensure that comprehensive burning, the safety of heat transfer and burner of combustion gas.Burner in the present invention is A kind of high performance, energy-saving porous foam ceramic plate part premixed gas fuel burner, the use of this kind of burner make The gas burning pot stove of the present invention can significantly improve the burn-off rate and the thermal efficiency of combustion gas, while reduce the discharge capacity of pollutant.
The ppi of heretofore described unordered porous foam shape honeycomb ceramic plate refers to aperture.
The anti-backfire domestic gas pot and stove of the present invention this have the advantage that compared with existing gas burning pot stove:
(1), gas burning pot stove of the invention solves the burner in existing domestic gas pot and stove and heats uneven, heating effect The problems such as rate is low, high energy consumption, this is because the present invention improves the material of foam-like honeycomb ceramic plate, using unordered hole Foam-like honeycomb ceramic plate can make burner combustion intensity bigger, heat utilization ratio higher.The present invention is to foam-like bee simultaneously Concrete regulation has also been made in nest ceramic wafer ppi, using double-deck unordered hole foam-like honeycomb ceramic plate, the upper layer apertures ppi are 15~ 40, lower layer is 40~60;Be conducive to carry out radiation heat transfer in this way, keep burner performance better.
(2), gas burning pot stove of the invention using when stove in burner mainly provide heat, the flames of anger by radiation heat transfer Burning substantially increases the safety used, and the problems such as tempering can be also effectively prevent by the setting of two-ply foam ceramic wafer.
(3), gas burning pot stove of the invention is provided with pan bracket and reflecting plate, and pan bracket is installed on range table for gas stove and is used One week stainless sheet steel or copper sheet expanded outwardly at 45 degree of angles is welded on the inside of carrying pot, pan bracket, forms reflecting plate, is used The heat and the heat of the bottom of a pan itself radiation and reflection outwardly radiated in reflection high temperature porous media panels returns to pot Bottom surface makes heat be fully used.
(4), gas burning pot stove of the invention is brushed with coating in pot outer bottom, has perovskite, point using material relatively good at present The coatings such as spar, silicon carbide, the heat of pot absorption is strengthened by coating, and heat utilization ratio also greatly improves.
Description of the drawings
Fig. 1 is the structural schematic diagram of the anti-backfire domestic gas pot and stove of the present invention.
Fig. 2 is partial structurtes enlarged drawing in Fig. 1.
Fig. 3 is the top layer air distributor structure schematic diagram in the present invention.
Fig. 4 is the middle layer air distributor structure schematic diagram in the present invention.
Fig. 5 is the bottom air distribution plate structural schematic diagram in the present invention.
Fig. 6 is heat-resisting steel supporting structure schematic diagram.
In above-mentioned figure:1- shell slots;2- refractory fiber floors;3- foam-like honeycomb ceramic plates A;4- foam-like honeycomb ceramic plates B; 5- top layer air distribution plates;6- middle layer air distribution plates;7- bottom air distribution plates;8- air intake ducts;9- baffle plates;10- secondary air inlets; 11- gaseous mixture air inlet pipe;12- support columns;13- screws;14- plain washers;15- spring shims;16- fire resisting gaskets;17- is fixed Circle;The heat-resisting steel brackets of 18-;19- hearths;20- reflecting plates;21- pan brackets;The band coating pot of 22- outer bottoms;61- middle layers imperforate section; 62- middle layers have porose area;71- bottom air distribution plates imperforate section;72- bottom air distribution plates have porose area;73- mounting holes.
Specific implementation mode
The present invention is described in further detail below in conjunction with the accompanying drawings, but the implementation of the present invention is without being limited thereto.
Embodiment 1:The present invention provides a kind of anti-backfire domestic gas pot and stove, and structure is as shown in Figure 1, 2, including burning Device, hearth 19, pan bracket 21 and pot, pan bracket are mounted on the hearth of gas burning pot stove, 1 inner wall of shell slot and the shell slot of burner The space that bottom plate surrounds from top to bottom be disposed with foam-like honeycomb ceramic plate, heat-resisting steel bracket 18, top layer air distribution plate 5, in Interbed air distribution plate 6, bottom air distribution plate 7 and support column 12 are equipped with resistance between foam-like honeycomb ceramic plate and top layer air distribution plate Hot steel bracket, heat-resisting steel bracket are used to support foam-like honeycomb ceramic plate thereon;Top layer air distribution plate 5 passes through cricoid refractory block Piece 16 is located on the retainer plate 17 of shell slot inner wall welding;6 plate of middle layer cloth wind is located at also by fire resisting gasket 16 in shell slot On the boss of wall;Bottom is equipped with by screw 13, plain washer 14 and spring shim 15 by support column 12 above the bottom plate of shell slot The bottom plate lower section of air distribution plate 7, shell slot is uniformly distributed on peripheries with 4 air intake ducts 8, and the bottom plate lower central of shell slot is equipped with gaseous mixture Air inlet pipe 11;Baffle plate 9 is equipped among the outer wall and inner wall of shell slot, the inner wall of shell slot is evenly equipped with a circle Secondary Air above boss Import 10.
Refractory fiber floor 2 is equipped between the shell slot inner wall and foam-like honeycomb ceramic plate of the burner.
The burner is the partly-premixed gas radiant heating type of porous media, and burner is steeped using double-deck unordered hole Foam shape honeycomb ceramic plate is foam-like honeycomb ceramic plate A3 and foam-like honeycomb ceramic plate B4, double-deck foam-like ceramic honey comb Plank matter is silicon carbide and alumina mixture, and the apertures upper foam shape honeycomb ceramic plate ppi are 15~40, lower layer's foam-like The apertures honeycomb ceramic plate ppi are 40~60.
The hearth 19 is connected with shell slot 1, and reflecting plate 20 is additionally provided on hearth, and reflecting plate is welded in 21 inside of pan bracket, Reflecting plate is used to the heat of burner radiation and the radiation of pot outer bottom reflexing to a pot outer bottom;The pot is the band coating pot of outer bottom 22, i.e. pot outer bottom is coated with coating comprehensively.
5 structure of top layer air distribution plate in the present invention is referring to Fig. 1,2,3.5 periphery of top layer air distribution plate passes through cyclic annular fire resisting above and below Gasket 16 is protected.For 6 structure of middle layer air distribution plate referring to Fig. 1,2,4, the outer ring of middle layer air distribution plate is middle layer imperforate section 61, interior Circle, which is middle layer, porose area 62.7 structure of bottom air distribution plate is set referring to Fig. 1,2,5, neighboring area and the center of bottom air distribution plate Having bottom imperforate section 71, intermediate region to be bottom air distribution plate has porose area 72, is additionally provided with the mounting hole for installing 4 support columns 12 73。
It is additionally provided with reflecting plate 20 on hearth 19 in the present invention, referring to Fig. 1, reflecting plate is welded in 21 inside of pan bracket, reflection Plate is for reflexing to pot outer bottom by the heat that burner radiates and the heat that pot outer bottom radiates being reflected twice-cooked stir-frying outer bottom again;Reflection The tubaeform of upward opening is made using stainless sheet steel in plate, and reflecting plate is with hearth at 45 degree of angles.The pot applies for outer tail band Layer pot 22;The coating of the pot outer bottom of the band coating pot of outer bottom uses perovskite coating.
The present invention anti-backfire domestic gas pot and stove, by portion of air by air intake duct 8 enter shell slot outer wall with The cavity that inner wall is constituted, air are entered after 9 baffling of baffle plate by secondary air inlet 10 uniformly distributed on shell slot inner wall intermediate Above layer air distribution plate, enter shell from gaseous mixture air inlet pipe 11 after another part air is pre-mixed with combustion gas by three-way pipe when use In slot 1, the mixed gas after pre- mixing enters 6 top of middle layer air distribution plate by bottom air distribution plate 7, and two parts gas is in It burns in porous foam-like ceramic honey comb intralamellar part and surface after being mixed again between interbed air distribution plate 6 and top layer air distribution plate 5.
Burner burns for the flames of anger when anti-backfire domestic gas pot and stove of the present invention uses, this to have used double-deck bubble The gas burning pot stove of foam shape honeycomb ceramic plate burner has very strong anti-backfire performance, not only safe but also energy saving.
Embodiment 2:The present invention provides a kind of anti-backfire domestic gas pot and stove, and structure is substantially same as Example 1, different Only band coating 22 the bottom of a pan face of pot of outer bottom coating use carborundum coating.
Embodiment 3:The present invention provides a kind of anti-backfire domestic gas pot and stove, and structure is substantially same as Example 1, different Only reflecting plate using copper sheet be made upward opening band coating 22 the bottom of a pan face of pot of tubaeform and outer bottom coating use Spinelle coating.
The anti-backfire domestic gas pot and stove of the present invention be the burner of the partly-premixed combustion gas of use, without bright in stove when use Fire mainly provides heat by radiation heat transfer, substantially increases gas burning pot stove security performance, is made pottery by two-ply foam shape honeycomb The setting of porcelain plate significantly improves the burn-off rate and the thermal efficiency of coal gas, while reducing the discharge capacity of pollutant.

Claims (1)

1. a kind of anti-backfire domestic gas pot and stove, including burner, hearth, pan bracket and pot, pan bracket is mounted on gas burning pot stove Hearth on, the space that the shell slot inner wall of burner and the bottom plate of shell slot surround from top to bottom is disposed with foam-like honeycomb pottery Porcelain plate, heat-resisting steel bracket, top layer air distribution plate, middle layer air distribution plate, bottom air distribution plate and support column, in foam-like honeycomb ceramic plate Heat-resisting steel bracket is installed between top layer air distribution plate, top layer air distribution plate is located at shell slot inner wall by cyclic annular fire resisting gasket and welds Retainer plate on;Bottom air distribution plate is equipped with by screw, plain washer and spring shim by support column above the bottom plate of shell slot;Shell 4 air intake ducts are uniformly distributed on peripheries with below the bottom plate of slot, the bottom plate lower central of shell slot is equipped with gaseous mixture air inlet pipe;Shell slot Outer wall and inner wall between be equipped with baffle plate, be evenly equipped with secondary air inlet on the inner wall of shell slot;It is characterized in that:
Refractory fiber floor is equipped between the shell slot inner wall and foam-like honeycomb ceramic plate of the burner;
The burner is the partly-premixed gas radiant heating type of porous media, and burner uses double-deck unordered hole foam-like Honeycomb ceramic plate, material are the foam-like honeycomb ceramic plate of silicon carbide and alumina mixture;
Double-deck unordered hole foam-like honeycomb ceramic plate upper layer apertures ppi are 15~40, and lower layer is 40~60;
The middle layer air distribution plate is located at by cyclic annular fire resisting gasket on the boss of shell slot inner wall;One in the burner Partial air enters the cavity that shell slot outer wall is constituted with inner wall by air intake duct, and air passes through shell after baffle plate baffling Uniformly distributed secondary air inlet enters above middle layer air distribution plate on slot inner wall, and another part air passes through threeway with combustion gas when use Enter in shell slot from gaseous mixture air inlet pipe after pipe premixing, the mixed gas after pre- mixing enters centre by bottom air distribution plate Layer air distribution plate above, two parts gas be mixed again between middle layer air distribution plate and top layer air distribution plate after in porous foam-like Ceramic honey comb intralamellar part and surface burning;
The hearth is connected with shell slot, and hearth is equipped with reflecting plate, and reflecting plate one end is welded in shell groove top portion, and the other end is welded in pot On the inside of holder, reflecting plate is used to the heat that burner radiation and pot outer bottom give off reflecting twice-cooked stir-frying outer bottom, the reflection The tubaeform of upward opening is made using stainless sheet steel or copper sheet in plate, and reflecting plate is with hearth at 45 degree of angles;
The pot is the band coating pot of outer bottom, i.e. pot outer bottom is coated with coating comprehensively, the coating be perovskite or spinelle or A kind of coating in silicon carbide.
CN201610946408.7A 2016-10-26 2016-10-26 A kind of anti-backfire domestic gas pot and stove Expired - Fee Related CN106439937B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610946408.7A CN106439937B (en) 2016-10-26 2016-10-26 A kind of anti-backfire domestic gas pot and stove

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610946408.7A CN106439937B (en) 2016-10-26 2016-10-26 A kind of anti-backfire domestic gas pot and stove

Publications (2)

Publication Number Publication Date
CN106439937A CN106439937A (en) 2017-02-22
CN106439937B true CN106439937B (en) 2018-07-13

Family

ID=58177749

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201610946408.7A Expired - Fee Related CN106439937B (en) 2016-10-26 2016-10-26 A kind of anti-backfire domestic gas pot and stove

Country Status (1)

Country Link
CN (1) CN106439937B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108180507B (en) * 2018-01-10 2023-08-22 沈阳工程学院 Partially premixed gas porous medium gas stove
CN109297020A (en) * 2018-10-22 2019-02-01 武汉奇灵能环科技有限公司 Gas Infrared combustion system

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100794668B1 (en) * 2006-09-22 2008-01-14 (주)코어넷 Apparatus for increasing radiation heat of gas range
CN101737778B (en) * 2009-12-08 2011-08-17 东北大学 Diffusion type porous medium gas fuel combustor
CN201903087U (en) * 2010-12-22 2011-07-20 桂林市淦隆环保科技有限公司 Liquid fuel hot pot stove with steplessly adjustable firepower
CN102644939B (en) * 2012-05-08 2017-03-29 严宏生 Integrated kitchen range
CN203517791U (en) * 2013-09-25 2014-04-02 杭州电子科技大学 Combustion radiator of multi-injection tangential pre-mixing porous medium gas stove
CN104595897B (en) * 2014-12-03 2017-05-03 武汉科技大学 Single-layer porous foam ceramic plate partial pre-mixing fuel gas combustor
CN104879853B (en) * 2015-06-05 2018-04-27 珠海格力电器股份有限公司 Radiator and there is its air conditioner and photovoltaic DC-to-AC converter

Also Published As

Publication number Publication date
CN106439937A (en) 2017-02-22

Similar Documents

Publication Publication Date Title
CN102829495A (en) Energy-saving stove preheating premixed combustible gas by using after heat
CN201170553Y (en) Composite type infrared burner
CN104930555B (en) A kind of use auxiliary air supplements the gas kitchen ranges of passage
CN203464343U (en) Energy gathering stove
CN101957002B (en) Energy-saving gas stove with thermal radiation net structure
CN201909354U (en) Energy-saving stove with secondary combustion structure
CN106439937B (en) A kind of anti-backfire domestic gas pot and stove
CN2926854Y (en) Pre-mixed gas cooker with stable flame chamber for Chinese meal
CN202253785U (en) Commercial energy-saving stove
CN204786593U (en) Adopt novel secondary air to replenish gas cooking utensils of passageway
CN201819264U (en) Energy-saving gas cooker with heat radiation net structure
CN207716464U (en) A kind of partly-premixed gas porosity medium gas-cooker
CN201281339Y (en) Dual ring inner flame combustor
CN102062418B (en) Energy-saving furnace with secondary combustion structure
CN204786405U (en) Combustor and have its gas -cooker
CN102261675A (en) Energy-saving furnace with cyclone generator
CN102213449A (en) Efficient low-pollution Chinese food fuel-gas cooking stove
CN202109534U (en) Efficient low-pollution Chinese food fuel-gas cooking stove
CN106524238B (en) A kind of energy saving civil gas burning pot stove
CN203273967U (en) Combined high-heat-loading combustor
CN207797146U (en) Infrared gas stove
CN102537960A (en) Commercial high-power efficient environment-friendly flameless infrared kitchen core
CN201259250Y (en) Energy-saving emission-reducing gas range
CN202092183U (en) Energy-saving stove with cyclone generator
CN201819265U (en) Energy-saving cooking range provided with heat radiation net structure

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20180713

Termination date: 20201026