CN102620321B - Energy-saving gas stove - Google Patents
Energy-saving gas stove Download PDFInfo
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- CN102620321B CN102620321B CN201210123275.5A CN201210123275A CN102620321B CN 102620321 B CN102620321 B CN 102620321B CN 201210123275 A CN201210123275 A CN 201210123275A CN 102620321 B CN102620321 B CN 102620321B
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B40/00—Technologies aiming at improving the efficiency of home appliances, e.g. induction cooking or efficient technologies for refrigerators, freezers or dish washers
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Abstract
The invention discloses an energy-saving gas stove which comprises an energy collecting cavity, a stove wall, a phase change heat accumulator, ribs, an infrared radiation ceramic plate and a gas stove head, wherein the stove wall is of an opening cavity structure; the upper end of an opening is used for holding cookware; the gas stove head is arranged in the opening at the bottom center of the stove wall; the energy collecting cavity is arranged at the lower end in the stove wall cavity and is of a cylindrical cavity structure; the upper surface of the energy collecting cavity is a pot-shaped curved surface; a plurality of ribs are arranged between an upper bottom surface and a lower bottom surface in the cavity of the energy collecting cavity at intervals; the infrared radiation ceramic plate is attached to the upper surface of the energy collecting cavity; and the phase change heat accumulator is arranged in the energy collecting cavity. According to the energy-saving gas stove disclosed by the invention, the infrared radiation ceramic plate reflects and absorbs the heat which is not utilized by an iron pan and part of heat is transmitted to the energy collecting cavity for storing energy. When the energy collecting cavity releases the heat, the heat is transmitted to the infrared radiation ceramic plate and generates infrared radiation for heating the iron pan. According to the gas cooking stove disclosed by the invention, the heat energy utilization rate of the gas cooking stove is increased and the aim of saving energy is achieved.
Description
Technical field
The present invention relates to a kind of gas-cooker, particularly relate to a kind of energy saving gas burner, this energy saving gas burner is applicable to catering industry and family is used, and is especially applicable to cooking and uses.
Background technology
At present, along with the development of tourist industry and diet service trade, and the change of people's lives mode, the number of outside eating grows with each passing day, for the kind of the gas cooking stove of dish-cooking and quantity also in continuous increase.It is reported, the existing hundreds of families of China are engaged in the manufacturer of gas-fired equipment for business at present, tens thousand of of the annual gas cooking stoves of producing.To civil kitchen range, the thermal efficiency is an important parameter, and gas cooking stove firing rate is fast, firepower is violent, and the temperature of its generation is generally more than 1000 ℃, and the thermal absorptivity of iron pan only has 20% left and right, so have most heat not to be fully used, caused the thermal efficiency low.How to make full use of this part heat, improve the thermal efficiency and combustion gas utilization rate, will there is very important economy and practical value.
The patent No. is that 96102243.4 Chinese invention patent discloses a kind of energy-saving gas cooker of applying gaseous fuel, comprise stove, support, air inlet pipe, control valve, between air inlet pipe and control valve, be provided with the pressure communication switch that push rod is pressed on support, the burning escape pipe top that connects control valve is provided with burning shower nozzle, on shower nozzle, cover has the burning cover that has air inlet on it, is provided with Everlasting fire device near burning cover.This present invention compared with prior art, tool has the following advantages: after tested, the thermal efficiency is greater than 70%, this energy-saving gas cooker is mainly that the efficiency of combustion by adjustments of gas fuel realizes energy-conservation, but in reality, after fuel gas buring, heat energy is not utilized by pan greatly, but has distributed by surrounding air.
The patent No. is that 200710009380.5 Chinese invention patent discloses compound gas kitchen range heat-adding device, is mainly used in household gas range, is directly nested on the furnace end of gas cooker of existing all size model and uses.This compound gas kitchen range heat-adding device is provided with radiation network, rack, far infrared radiation dish and the radiation seat of trying to get to the heart of a matter, radiation network is fixed on rack, on radiation network, scribble high-temp. far infrared radiation paint, rack is enclosed within on far infrared radiation dish, in far infrared radiation dish, be provided with turnover pernetti and alternating expression is led fire and firestopping ring, pot body for rest difformity size, make various pot bodies keep best burning radiation distance and to guide combustion flame along the burning of alternating expression fire guiding ring transverse path with far infrared radiation net, thereby extend flame in the time of staying in the bottom of a pan.The radiation seat of trying to get to the heart of a matter is provided with for adjusting skewed slot or at least 3 screws of radiation dish height, to adapt to the stove and accessory of different size model.Though this device can make heat that gas fuel combustion produces be sent on kitchen range by the mode of radiation, improve to a certain extent the heating efficiency that fuel gas buring produces, but just increase the heat that pan obtains when fuel gas buring, unnecessary heat can not store, once combustion gas is closed, pan does not just have thermal source, and on the whole, the efficiency of combustion gas utilization need to improve.
Summary of the invention
The object of the invention is to overcome the problem that prior art exists, a kind of energy saving gas burner is provided, this gas stove energy is the combustion gas utilization rate with raising Chinese Cooking Gas Appliance by reflecting heat, generation Efficient Infrared Emission and phase transformation store heat.
The technical scheme that the present invention adopts is for achieving the above object:
An energy saving gas burner, is characterized in that comprising cumulative chamber, furnace wall, phase-transition heat-storage body, fin, infrared radiation ceramic plate and gas burner; Described furnace wall is open-ended cavity structure, and open upper end is for placing cooker, and furnace wall bottom centre opening is provided with gas burner; Lower end is provided with cumulative chamber in the cavity of furnace wall, and cumulative chamber is cylindrical cavity structure, and cumulative chamber upper surface is hemispherical curved surface, in the cavity in cumulative chamber, is interval with polylith fin between from upper surface to bottom surface, and infrared radiation ceramic plate is attached on the upper surface of cumulative chamber; In cumulative chamber, be provided with phase-transition heat-storage body.
For further realizing the object of the invention, the material in described cumulative chamber is preferably cobalt-based high-temperature alloy.
The material of described fin is preferably identical with cumulative chamber material.
The cross section of described fin is preferably ring-like.Described fin is preferably 6.
The material of described phase-transition heat-storage body is preferably anhydrous chlorides of rase sodium.
Between the inner side of the outside in cumulative chamber and furnace wall cavity, be provided with heat-barrier material.
Described heat-barrier material is preferably ceramic fibre.
In the upper end wall of described furnace wall, be preferably provided with exhaust outlet.
The bottom surface in described cumulative chamber is preferably horizontal plane.
With respect to prior art, tool of the present invention has the following advantages and beneficial effect:
(1) principle of gas-cooker of the present invention is by reflecting heat, produces Efficient Infrared Emission and the combination of phase transformation store heat, finally reaches the effect of the combustion gas utilization rate that improves Chinese Cooking Gas Appliance.The combustion gas utilization rate that existing technical staff improves gas-cooker is all to set about from changing the combustion system of combustion gas, and this equipment is mainly to set about from improving the utilization rate of waste heat, used heat.In addition, phase-change thermal storage is to be all generally used in the fields such as electronics, solar energy, building, and it is fewer to be used in gas-cooker aspect, and just more rare in conjunction with the utilization rate that improves residual heat of gas cooker, used heat with infra-red radiation energy collecting plate.Infrared radiation ceramic plate is pot shape hemispherical in other words, can play like this effect of convex lens, reflect heat and concentrate on above iron pan, concentrates heating; The upper surface in cumulative chamber also should be a pot shape structure, and radian is consistent with infrared radiation ceramic plate, is conducive to the heat exchange between them; Cumulative chamber is provided with annular fin, extends to the inside in cumulative chamber, makes cumulative material energy uniform heat exchange, enhanced heat exchange; Pot shape curved surface and the infrared radiation ceramic plate in cumulative chamber join, and other each face all should be wrapped up by the fabulous ceramic fibre of heat-proof quality, and cumulative chamber only has and the heat exchange of infrared radiation ceramic plate like this, plays directed effect, and efficiency is more increased; The phase transition temperature of the phase-change heat-storage material in cumulative chamber must be higher, and nontoxic.By above design, recycling infrared radiation ceramic plate can produce the feature of Efficient Infrared Emission and phase-change material accumulation of heat, the heat that phase-change material stores just can more effectively be changed into Efficient Infrared Emission by infrared radiation ceramic plate, and iron pan is heated.
(2) cordierite infrared radiation ceramic is a kind of ceramic material of high infrared radiance, has good absorption heat infrared ability; Heat transfer comprises hot conduction, thermal convection current and heat radiation, and when temperature is greater than 1000 ℃, heat radiation is the most efficient to the heating of iron pan, and wherein, heat radiation is exactly mainly infra-red radiation;
(3) phase transition temperature of sodium chloride is 800 ℃, and latent heat is 492 * 10
3j/kg, nontoxic, be a kind of high temperature phase change material (pcm) that is well applicable to Chinese Cooking Gas Appliance;
(4) cobalt-based high-temperature alloy and sodium chloride have good compatibility, and this high-temperature alloy ability high strength and high temperature, and its pliability and mass transfer impedance are also fine, and it is suitable as the material in this cumulative chamber;
(5) heat transfer of the ring-like fin energy of the multi-disc in cumulative chamber reinforced transformation heat storage;
(6) ceramic fibre is a kind of good heat-insulating heat-preserving material, and this heat-barrier material can play good thermal insulation function to infrared radiation ceramic plate and cumulative chamber, prevents the loss of heat.
Accompanying drawing explanation
Fig. 1 is the structural representation of energy saving gas burner of the present invention.
Fig. 2 is the profile in the A-A cross section of Fig. 1.
Fig. 3 is the left view of Fig. 1.
Shown in figure: iron pan 1, exhaust outlet 2, cumulative chamber 3, furnace wall 4, heat-barrier material 5, phase-transition heat-storage body 6, fin 7, infrared radiation ceramic plate 8 and gas burner 9.
The specific embodiment
For further understanding the present invention, below in conjunction with accompanying drawing, the present invention is done to concrete introduction, it should be noted that, the scope of protection of present invention is not limited to the scope of embodiment statement.
As Figure 1-3, a kind of energy saving gas burner, comprises cumulative chamber 3, furnace wall 4, heat-barrier material 5, phase-transition heat-storage body 6, fin 7, infrared radiation ceramic plate 8 and gas burner 9, furnace wall 4 is open-ended cavity structure, and open upper end is for placing cooker, and furnace wall 4 bottom centre's openings are provided with gas burner 9, in 4 cavitys of furnace wall, lower end is provided with cumulative chamber 3, cumulative chamber 3 is cylindrical cavity structure, cumulative chamber 3 upper surfaces are hemispherical curved surface, bottom surface is for being preferably horizontal plane, in the cavity in cumulative chamber 3, is interval with polylith fin 7 between from upper surface to bottom surface, and the material in cumulative chamber 3 is preferably cobalt-based high-temperature alloy, it usings cobalt as main component, contain nickel, chromium, tungsten, the alloying elements such as a small amount of molybdenum, niobium, tantalum, titanium, lanthanum, or also contain iron, cobalt-based high-temperature alloy comprises Hayness188(Beijing Rong Pin Co., Ltd), Haynes25 (L-605) (Shenzhen Tian Hua stainless steel material Co., Ltd), Alloy S-816(Dongguan City spares no effort to edge metal material Co., Ltd), UMCo-50(Shanghai E Xin special steel Co., Ltd), MP-159(Dongguan City Chang'an De Fen die steel Co., Ltd), the FSX-414(Longgang District of Shenzhen City grand die steel of interest Co., Ltd), the Xiong Xing of X-40(Shenzhen metal material Co., Ltd), Stellite6B(Dongguan City Chen Hua metal material Co., Ltd) etc., the Hayness188 cobalt-based high-temperature alloy that further preferably Beijing Rong Pin Co., Ltd produces, the material of fin 7 is preferably identical with cumulative chamber 3 materials, and the cross section of fin 7 is preferably ring-like, fin 7 is preferably 6, infrared radiation ceramic plate 8 is attached on 3 upper surfaces of cumulative chamber.In cumulative chamber 3, be provided with phase-transition heat-storage body 6; The material of phase-transition heat-storage body 6 is preferably anhydrous chlorides of rase sodium, and (TS9, light industry Co., Ltd is closed in Shanghai), its phase transition temperature is 800 ℃, latent heat is 492 * 10
3j/kg is nontoxic; Cobalt-based high-temperature alloy and anhydrous chlorides of rase sodium have good compatibility, and this high-temperature alloy ability high strength and high temperature, and its pliability and mass transfer impedance are also fine.Phase-transition heat-storage body 6 becomes fluid storage heat by solid, by liquid, becomes solid release heat.
Between the inner side of the outside in cumulative chamber 3 and furnace wall 4 cavitys, be preferably provided with heat-barrier material 5, heat-barrier material is preferably ceramic fibre.In the upper end wall of furnace wall 4, be preferably provided with exhaust outlet 2, discharging waste gas.Ceramic fibre is a kind of good heat-insulating heat-preserving material, and this heat-barrier material can play good thermal insulation function to infrared radiation ceramic plate and cumulative chamber, prevents the loss of heat.
The material of infrared radiation ceramic plate 8 is preferably far-infrared ceramic, and its main component is cordierite.The present invention adopts the infrared radiation ceramic plate of being produced by the sharp energy-conservation Science and Technology Ltd. of China, and it has 19.7 types, 25 types, 33 types, 46 types etc. according to big or small difference; This infrared radiation ceramic is a kind of ceramic material of high infrared radiance, has good absorption heat infrared ability; Heat transfer comprises hot conduction, thermal convection current and heat radiation, and when temperature is greater than 1000 ℃, heat radiation is the most efficient to the heating of iron pan, and wherein, heat radiation is exactly mainly infra-red radiation.The heat transfer of 8 ring-like fins, the 7 energy reinforced transformation heat storages in cumulative chamber.
When gas cooking stove is started working, in gas burner 9, a heat part for fuel gas buring is absorbed and passes to heating object by iron pan 1 and is utilized effectively, remainder heat prior art is difficult to be utilized, energy saving gas burner of the present invention by three kinds of modes by the unemployed heat recovery and utilization of fuel gas buring: the one, by infrared radiation ceramic plate 8 to iron pan 1 reflecting heat; The 2nd, infrared radiation ceramic plate 8 directly absorbs heat and converts infra-red radiation to, and iron pan 1 is heated; The 3rd, by infrared radiation ceramic plate 8, transfer heat to cumulative chamber 3, by phase-transition heat-storage body 6, stored, when gas-cooker quits work, in cumulative chamber 3, phase-transition heat-storage body 6 release heat are to infrared radiation ceramic plate 8, produce infrared radiation heating iron pan 1, these three kinds of modes have played energy-conservation effect jointly.The third heat accumulation mode particularly, making to apply energy saving gas burner of the present invention can be at heated food to a certain extent time, stop gas supply, now, the thermal release that cumulative chamber 3 stores out, continuation is heated food, has directly reduced the service time of combustion gas, has improved the utilization rate of combustion gas.
In the present invention, infrared radiation ceramic plate 8 is reflection, radiation and heat transfer component; The heat that infrared radiation ceramic plate 8 does not only use iron pan 1 reflects, but also absorbs, and transfers heat to cumulative chamber 3.Heat by 8 reflections of infrared radiation ceramic plate heats iron pan 1, because infrared radiation ceramic plate 8 is pot shape curved-surface structure, so can well play the effect of cumulative; The heat part being absorbed by infrared radiation ceramic plate 8 is converted into infra-red radiation, iron pan 1 is carried out to post bake, another part is passed to cumulative chamber 3, by phase-transition heat-storage body 6, absorbed and heat up again, when temperature reaches the phase transition temperature of phase-transition heat-storage body 6, during 800 ℃ of left and right, phase-transition heat-storage body 6 can undergo phase transition, by solid, become liquid, store a large amount of heats.When gas burner 9 is not worked, the temperature of phase-transition heat-storage body 6 reduces, and by liquid, becomes solid, and heat discharges from cumulative chamber 3, is absorbed, and be converted into infra-red radiation by infrared radiation ceramic plate 8, and iron pan 1 is heated.
Gas cooking stove firing rate is fast, and firepower is violent, and the thermal absorptivity of iron pan only has 20% left and right.After tested, the water that energy saving gas burner heating of the present invention is 12 kilograms is from 20 ℃ to 100 ℃, and its thermal efficiency can be up to 52%.In this test, the Hayness188 cobalt-based high-temperature alloy that cumulative chamber 3 material selection Beijing Rong Pin Co., Ltds produce, furnace wall 4 material selection refractory brick, heat-barrier material 5 Ceramics fibers, phase-transition heat-storage body 6 is selected anhydrous chlorides of rase sodium, the material that fin 7 is selected is identical with cumulative chamber 3, for the thick ring-type fin of 5mm, infrared radiation ceramic plate 8 is selected cordierite ceramic, gas burner 9 is blowing type gas burner, the diameter of upper end open is 8.7cm, it is the first generation ZCY1-28 high efficient energy-saving gas stove head (for ZL201020178605.7 patented product) that Guangzhou Hengding Hotel Equipment Co., Ltd. provides, this burner is by state's home fuel gas articles for use product quality supervision and inspection Spot detection, the thermal efficiency is that 32.3%(GB is 20%), than state absolute altitude 61.5%.In addition, experiment equipment also has two infrared temperature detectors, and its temperature range is-100 ℃ to 1100 ℃; One stopwatch; One iron pan; 12 kilograms of 20 ℃ of water; Liquefied petroleum gas.Experimentation: with 9 pairs of iron pans that 12 kg of water are housed of gas burner, heat, manual time-keeping, infrared temperature detector is measured the temperature of infrared radiation ceramic plate and water.When the temperature of infra-red radiation ceramic wafer reaches 800 ℃, close gas burner 9 air feed, stop heating, record the consumption of the time of stopwatch, the temperature of water and combustion gas, it is respectively 4 minutes and 12 seconds, 70 ℃ and 0.195 kilogram, environment temperature is 20 ℃, and gas pressure is 2.8K Pa.Then the energy that utilizes cumulative chamber 3 to pass to infrared radiation ceramic plate 8 continues heating water, and measures the temperature of infrared radiation ceramic plate, the temperature of water and ceramic wafer continue the temperature of heating water.When water temperature arrives boiling, the temperature of writing time and infrared radiation ceramic plate, it is respectively 2 minutes 32 seconds and 100 ℃.Can find out, heat 12 kilograms of 20 ℃ of water to boiling, altogether need the liquefied gas of 6 minutes 54 seconds and 0.195 kilogram, 20 ℃ of environment temperatures, gas pressure is 2.8KPa.The thermal efficiency is 52%, be specially the heat that theoretical value that 12 kilograms of 20 ℃ of water are elevated to 100 ℃ of institute's calorific requirements provides divided by the burning of 82.9L liquefied gas, and the liquefied gas that uses separately high efficient energy-saving gas stove head heating to consume is 0.314 kilogram, its thermal efficiency is 32.3%, find out thus, use the thermal efficiency ratio of this device not use the thermal efficiency of this device to improve 61%, energy-saving effect is obvious.
Fin 7 in cumulative chamber 3 is high-efficiency heat conduction materials, can be rapidly by the heat of infrared radiation ceramic plate 8 import in even phase transformation heat storage 6, or the heat that phase-transition heat-storage body 6 is discharged imports on infrared radiation ceramic plate 8; Cumulative chamber 3 is heat accumulation parts, and infrared radiation ceramic plate and cumulative chamber are combined to form effective energy saver in burner hearth; Good thermal insulation function is played in cumulative chamber 3 simultaneously, prevents the loss of heat, and can save heat-barrier material 5.That is to say between 3 outsides, cumulative chamber and 4 cavity inner sides, furnace wall and can not establish heat-barrier material 5, simplify gas-cooker structure.
Claims (10)
1. an energy saving gas burner, is characterized in that comprising cumulative chamber, furnace wall, phase-transition heat-storage body, fin, infrared radiation ceramic plate and gas burner; Described furnace wall is open-ended cavity structure, and open upper end is for placing cooker, and furnace wall bottom centre opening is provided with gas burner; Lower end is provided with cumulative chamber in the cavity of furnace wall, and cumulative chamber is cylindrical cavity structure, and cumulative chamber upper surface is hemispherical curved surface, in the cavity in cumulative chamber, is interval with polylith fin between from upper surface to bottom surface, and infrared radiation ceramic plate is attached on the upper surface of cumulative chamber; In cumulative chamber, be provided with phase-transition heat-storage body.
2. energy saving gas burner according to claim 1, is characterized in that: the material in described cumulative chamber is cobalt-based high-temperature alloy.
3. energy saving gas burner according to claim 1, is characterized in that: the material of described fin is identical with cumulative chamber material.
4. according to the energy saving gas burner described in claim 1 or 3, it is characterized in that: the cross section of described fin is ring-like.
5. according to the energy saving gas burner described in claim 1 or 3, it is characterized in that: described fin is 6.
6. energy saving gas burner according to claim 1, is characterized in that: the material of described phase-transition heat-storage body is anhydrous chlorides of rase sodium.
7. energy saving gas burner according to claim 1, is characterized in that: between the outside in cumulative chamber and the inner side of furnace wall cavity, be provided with heat-barrier material.
8. energy saving gas burner according to claim 7, is characterized in that: described heat-barrier material is ceramic fibre.
9. energy saving gas burner according to claim 1, is characterized in that: the upper end wall of described furnace wall is provided with exhaust outlet.
10. energy saving gas burner according to claim 1, is characterized in that: the bottom surface in described cumulative chamber is horizontal plane.
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| CN102620321B true CN102620321B (en) | 2014-08-06 |
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| CN110986119A (en) * | 2019-12-26 | 2020-04-10 | 宁波城市之光厨房节能设备服务有限公司 | Residual fire recycling energy-gathering hearth |
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| US4412651A (en) * | 1982-04-26 | 1983-11-01 | Webster Jr John E | Heating unit |
| CN2048559U (en) * | 1988-12-10 | 1989-11-29 | 华中理工大学 | Metal phase transformation heat storage stove |
| CN1283953C (en) * | 2003-10-16 | 2006-11-08 | 广州市三宝酒店设备安装工程有限公司 | Solid phase change heat storage steaming stove |
| CN2739507Y (en) * | 2004-10-15 | 2005-11-09 | 华南理工大学 | Heat-storage stove |
| CN2753990Y (en) * | 2004-12-31 | 2006-01-25 | 李振东 | Efficient energy-saving environmental-protection gas stove-range device |
| CN201097969Y (en) * | 2007-10-24 | 2008-08-13 | 权贞惠 | Horizontal stand heat accumulation pan |
| CN201628283U (en) * | 2010-04-19 | 2010-11-10 | 王冬明 | Hydrocarbon fuel cooker with energy saving device |
| US20110081134A1 (en) * | 2010-12-15 | 2011-04-07 | Salyer Ival O | Water heating unit with integral thermal energy storage |
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Owner name: GUANGDONG HENGLIAN FOOD MACHINERY CO., LTD. Free format text: FORMER OWNER: GUANGZHOU HENGDING HOTEL EQUIPMENT CO., LTD. Effective date: 20140224 |
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Effective date of registration: 20140224 Address after: Jiang Road Guangzhou city Guangdong province 511447 Panyu District Shilou town No. 95 Applicant after: Guangdong Henglian Food Processing Machinery Co., Ltd. Address before: 511447 Guangdong city of Guangzhou province Panyu District Shi Lou Zhen Shi Lian Lu Shi Lou Road No. 53 Applicant before: Guangzhou Hengding Hotel Equipment Co., Ltd. |
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