CN101634463A - Civil gas stove - Google Patents
Civil gas stove Download PDFInfo
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- CN101634463A CN101634463A CN200810132178A CN200810132178A CN101634463A CN 101634463 A CN101634463 A CN 101634463A CN 200810132178 A CN200810132178 A CN 200810132178A CN 200810132178 A CN200810132178 A CN 200810132178A CN 101634463 A CN101634463 A CN 101634463A
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/34—Indirect CO2mitigation, i.e. by acting on non CO2directly related matters of the process, e.g. pre-heating or heat recovery
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Abstract
The invention provides a civil gas stove which uses the high-temperature smoke exhausted from the civil gas stove to heat the combustion air needed for the combustion of the stove in order to solve the problem that the smoke afterheat of the prior civil gas stove is not fully used. The civil gas stove mainly comprises a hearth, a combustor and a dividing wall type heat exchanger. The lower part close to the side of the hearth is provided with a smoke outlet and the combustor is provided with an air inlet. The combustor is positioned at the internal bottom end of the hearth and the heat exchanger is positioned on the downside close to the side of the hearth and is connected with the smoke outlet of the hearth and the air inlet of the combustor respectively so as to allow the high-temperature smoke from the hearth and the combustion air needed by the combustion to pass through a tube pass and a shell pass of the heat exchanger respectively. The civil gas stove of the invention can recycle most of the afterheat of the smoke to heat the combustion air, thereby saving energy and reducing consumption.
Description
Technical field
The utility model relates to a kind of burner, more particularly, relates to a kind of civil gas stove.
Background technology
Gas stove is common civilian cooker.People are constantly towards " safe in utilization, energy-conserving and environment-protective, convenience, reliable " effort, and the patent of having applied for is 2000 remainders nearly just.Improvement is greatly being arranged aspect outward appearance and the applicability, and the thermal efficiency (or claiming heat utilization efficiency) improves significantly not, maintains between 35～62%.Main cause has two: the one, and fume afterheat does not add effective utilization.Fume afterheat does not add utilization and directly discharges, and not only wastes fuel but also pollute kitchen environment.The 2nd, coefficient of excess air (entering the amount of actual air for combustion of combustion zone and the ratio of theoretical air requirement) is much larger than optimum value;
Cooking stove is energy-conservation, and fume afterheat will utilize.
People always feel that the exhaust gas temperature of civilian kitchen range is very low, do not have the value of recycling.Opposite in fact.The exhaust gas temperature of civilian kitchen range is very high! Due to " exhaust gas temperature is very low " of feeling has been the flue gas blending a large amount of cold airs.Theoretical calculating and test all show: if civilian kitchen range is fuel with the natural gas, and suppose that coefficient of excess air is 1.2, the thermal efficiency is 60%, heat radiation 5%, and then the flue gas discharge temperature is about 670 ℃; Identical at coefficient of excess air with heat radiation, and the thermal efficiency reduces at 50% o'clock, the flue gas discharge temperature is about 930 ℃.Fuel is if fuel such as biogas, town gas, and calorific value is about 21MJ/m
3, exhaust gas temperature is lower slightly; Fuel is if oil liquefied gas, and exhaust gas temperature is the outline height also.So high fume afterheat, not adding utilization really wastes!
It is that flue gas adds hot water that the simplest fume afterheat utilizes way.Yet, in most kitchens, use kitchen range not match with using hot water, there is not hot water when needing hot water, a large amount of outputs of hot water when not needing hot water.
Theoretical by being worth, utilize in the scheme at numerous fume afterheats, by heat exchanger (claiming air preheater again), allow flue gas heat combustion air, beyond doubt preferred plan.
So far, do not see Civil energy-saving cooking stove and use heat exchanger and bibliographical information.
In the industrial furnace production run, use heat exchanger, be routine techniques with fume afterheat heating (preheating) combustion air.Does not yet why existing civilian kitchen range have the combustion air preheater? be because civilian kitchen range has the specific (special) requirements of oneself, can not transplant simply.Compare with industrial furnace, civil kitchen range has following handling characteristics: 1) civilian kitchen range starts frequently, starts every day several times to tens times; Each work period is very short, generally has only a few minutes to arrive dozens of minutes; 2) civilian kitchen range wants that the little cost again of cube is low, the life-span is long and non-maintaining; 3) operation is simple and reliable in civilian kitchen range requirement.Civilian kitchen range still needs to keep above characteristic after using heat exchanger.Thereby be applicable to the heat exchanger of civilian kitchen range, except to possess common heat exchanger characteristic, also should meet the handling characteristics of civilian kitchen range: 1) thermal inertia little (thermal response is fast), thermal shock resistance (standing temperature changes rapidly).2) high temperature resistant, because the smoke inlet temperature of heat exchanger is up to 900 ℃, air preheating temperature can reach 600 ℃.So, require heat exchanger materials high temperature resistant.3) corrosion-resistant, each cold start-up, the unavoidable dewfall of heat exchanger requires heat exchanger corrosion-resistant.4) volume is little, cost is low, the life-span is long, non-maintaining.These requirement for restriction have caused also not occurring utilizing at present the civilian kitchen range of smoke pre-heating.
In sum, existing civilian kitchen range exists smoke pre-heating not have the problem of utilizing and causing energy waste.
Summary of the invention
The present invention is not for the smoke pre-heating that solves existing civil gas stove and exist utilizes problem, proposes the burn domestic gas cooking stove of required combustion air of a kind of high-temperature flue gas heating cooler that utilizes civil kitchen range discharge itself.
Concrete technical scheme is as follows:
Civil gas stove of the present invention mainly is made of the chamber of a kitchen range, burner and dividing wall type heat exchanger, the side lower part of the chamber of a kitchen range is provided with exhaust opening, burner is provided with air inlet, burner is positioned at the inboard bottom of the chamber of a kitchen range, heat exchanger is positioned at the side-lower of the chamber of a kitchen range and is connected respectively with the exhaust opening of the chamber of a kitchen range, the air inlet of burner, so that from the high-temperature flue gas of the chamber of a kitchen range and the employed combustion air heat exchange in described heat exchanger of burning.
Preferably, described civil gas stove also comprises air feed pipe, air feed control valve, Gas Pipe, gas control valve and smoke exhaust pipe.
Preferably, described civil gas stove also comprises kitchen range frame and air blast.There is not specific (special) requirements for the kitchen range frame, as long as it is just passable to be suitable for civil gas stove of the present invention.Also not having specific (special) requirements for air blast, can be air blast of a kitchen range, also can the shared air blast of a plurality of kitchen ranges.
There is not specific (special) requirements for the chamber of a kitchen range, as long as it is just passable to adapt to combustion system of the present invention.Preferably, the described chamber of a kitchen range mainly is made of kitchen range mouth, chamber of a kitchen range inner bag, fire pot, heat insulation charges and shell, the kitchen range mouth is positioned at the top of the chamber of a kitchen range, kitchen range mouth and chamber of a kitchen range inner bag and shell plug, fire pot is positioned at chamber of a kitchen range central authorities and its end opening is sitting on the burner, shell surrounds chamber of a kitchen range inner bag, stuffed heat insulated charges between shell and the inner bag, the side lower part of chamber of a kitchen range inner bag is provided with exhaust opening, the exhaust opening of the chamber of a kitchen range is connected with the mouth that advances of heat exchanger, and the bottom center of chamber of a kitchen range inner bag and shell all leaves circular hole so that be connected with burner.
There is not specific (special) requirements for burner, as long as can use hot-air combustion-supporting just passable.Preferably, described burner mainly is made of bellows, air distribution combustion barrel, pre-burning cover, substrate and combustion gas delivery pipe, and bellows are suitable for reading to be connected with the air distribution combustion barrel, and end opening is connected with substrate, and bellows, air distribution combustion barrel and substrate form annular passage jointly; Bellows one side is provided with air inlet, and described air inlet is connected with the high temperature air outlet box of heat exchanger; Air distribution combustion barrel end opening jack is on substrate, and suitable for reading tight connection of suitable for reading and bellows, the air distribution combustion barrel has 4～8 seams, and slot is tangent with the interior circle of air distribution combustion barrel or cut mutually, and slot evenly distributes on circumference; The pre-burning cover is made of inside and outside two cylinders, the outer cylinder lower end is provided with 2～6 circular arc legs, circular arc leg jack is on substrate, inside cylindrical is a back taper type platform tube, connect by 2～6 gussets between inside and outside two cylinders, inside and outside two cylinders form up-narrow and down-wide circumferential weld, and the top circumferential weld is wide to be 1～4 millimeter, the wide external diameter that is equal to or greater than combustion gas delivery pipe of bottom circumferential weld; Outside cylindrical is higher 2～10 millimeters than inboard cylinder; Combustion gas delivery pipe is made of the ring pipe of horizontal positioned and wireway vertically downward, and the axis top of ring pipe is drilled with 4～9 fumaroles.
There is not specific (special) requirements for dividing wall type heat exchanger, as long as reach a high temperature flue gas and combustion air can heat exchange and do not mixed just passable.Preferably, described dividing wall type heat exchanger is made of high-temperature flue gas leading-in box, low-temperature flue gas fairlead, normal temperature air introduction tube, high temperature air outlet box, the movement-oriented case of air, shell and glass tube; The high-temperature flue gas leading-in box is positioned at the top of heat exchanger, and tube side or shell side by heat exchanger are communicated with the low-temperature flue gas fairlead that is positioned at the heat exchanger bottom; The Cryogenic air introduction tube is positioned at the bottom, side of heat exchanger, and shell side or tube side by heat exchanger are communicated with the high temperature air outlet box that is positioned at top, heat exchanger side; The movement-oriented case of air is positioned at the side of heat exchanger, is communicated with the glass tube group of adjacent tube side; The glass tube group is fixed on the shell.
Description of drawings
Fig. 1 is that the master of civil gas stove of the present invention looks generalized section;
Fig. 2 is the side-looking generalized section of civil gas stove of the present invention;
Fig. 3 is the generalized section of the chamber of a kitchen range of civil gas stove of the present invention;
Fig. 4 is that the master of the burner of civil gas stove of the present invention looks generalized section;
Fig. 5 is the top cross-sectional view of the burner of civil gas stove of the present invention;
Fig. 6 is that the master of the heat exchanger of civil gas stove of the present invention looks generalized section;
Fig. 7 is the side-looking generalized section of the heat exchanger of civil gas stove of the present invention.
The specific embodiment
Explain civil gas stove of the present invention in detail below in conjunction with accompanying drawing.
As illustrated in fig. 1 and 2, civil gas stove of the present invention mainly is made of the chamber of a kitchen range 2, burner 3 and dividing wall type heat exchanger 4, the top of the chamber of a kitchen range 2 is provided with exhaust opening, burner is provided with air inlet, burner 3 is positioned at the chamber of a kitchen range 2 inboard bottoms, heat exchanger 4 is positioned at the side-lower of the chamber of a kitchen range 2 and is connected with the exhaust opening of the chamber of a kitchen range 2, the air inlet of burner 3 so that from the high-temperature flue gas of the chamber of a kitchen range and the employed combustion air of burning one in tube side by described heat exchanger and the shell side respectively.
Described civil gas stove can also comprise air feed pipe and air feed control valve 5, Gas Pipe and auxiliary parts such as gas control valve 1, smoke exhaust pipe 6.
Described civil gas stove can also comprise auxiliary parts such as kitchen range frame, air blast and knob.
As shown in Figure 3, the chamber of a kitchen range 2 mainly is made of kitchen range mouth 2-1, chamber of a kitchen range inner bag 2-2, fire pot 2-3, heat insulation charges 2-4, shell 2-5.The kitchen range mouth is positioned at the topmost of the chamber of a kitchen range, and kitchen range mouth and chamber of a kitchen range inner bag and shell plug, and inner bag, kitchen range mouth and burner form the combustion space jointly.Fire pot 2-3 is positioned at chamber of a kitchen range central authorities, and its end opening is sitting on the burner; Stuffed heat insulated charges 2-4 between shell and the inner bag, chamber of a kitchen range inner bag side lower part leaves exhaust opening 2-6, and the exhaust opening of the chamber of a kitchen range 2 is connected with the mouth that advances of heat exchanger 4; The bottom center of chamber of a kitchen range inner bag and shell all leaves circular hole 2-7, in order to being connected with burner 3.
The chamber of a kitchen range 2 is a cylinder that opening makes progress, and burner 3 is fixed on the chamber of a kitchen range 2 bottom center, and heat exchanger 4 is positioned at the side-lower of the chamber of a kitchen range 2, is connected with the exhaust opening of the chamber of a kitchen range 2, the air inlet of burner 4 respectively.
Combustion gas enters burner 3 through Gas Pipe and gas control valve 1, simultaneously, combustion air enters burner 3 after heating through air feed pipe and air feed control valve 5 and heat exchanger 4 in, combustion gas and combustion air mix and light, form high-temperature flue gas behind the flame heat pot, high-temperature flue gas is most of to be reclaimed, and flue gas enters heat exchanger 4 from the exhaust opening of the chamber of a kitchen range 2, with form low-temperature flue gas after the combustion air exchange heat, discharge through smoke exhaust pipe.It is characterized in that: utilize fume afterheat heating combustion air, measure is to use air preheater (heat exchanger).
The kitchen range mouth is positioned at the topmost of the chamber of a kitchen range 2, and the effect of kitchen range mouth is to carry pot and form simple seal with pot; According to the size and the shape of pot, the kitchen range mouth is made different diameters and shape; Kitchen range mouth and chamber of a kitchen range inner bag and shell plug, and change in the hope of being convenient to.Chamber of a kitchen range inner bag 2-2 is made by heat-resisting steel sheet and plate, the airtight combustion space of the common formation of pot on inner bag and the kitchen range mouth and burner.Fire pot 2-3 is formed by the lightweight refracrory cast, is positioned at chamber of a kitchen range central authorities, and its end opening is sitting on the burner; The function of fire pot 2-3 be make burning more fully, add heat transfer between big flame and the pot, discharging fume is evenly distributed and avoids flame directly to discharge from exhaust opening.The function of heat insulation charges 2-4 is to reduce heat radiation, preferred asbestos friction material.As its name suggests, shell 2-5 is the solid thin layer in the chamber of a kitchen range outside, and effect is to support, surround and be connected.
Exhaust opening 2-6 is left in the sorrowful bottom of chamber of a kitchen range inner bag, and the exhaust opening of the chamber of a kitchen range is connected with the mouth that advances of heat exchanger; The bottom center of chamber of a kitchen range inner bag and shell all leaves circular hole 2-7, in order to being connected with burner.
The power of kitchen range varies, and the diameter of chamber of a kitchen range inner bag and interior external diameter and height high, fire pot increase and decrease with the kitchen range watt level.
Shown in Figure 4 and 5, burner 3 mainly is made of bellows 3-1, air distribution combustion barrel 3-2, pre-burning cover 3-3, substrate 3-4, combustion gas delivery pipe 3-5 and ignitor 3-6.
Bellows 3-1 is made by heat-resisting steel sheet and plate, is cylindric, suitable for readingly is connected with air distribution combustion barrel 3-2, and end opening is connected with substrate 3-4, and the three forms an annular passage jointly; Bellows 3-1 one side has air inlet, and the high temperature air outlet box of air inlet and heat exchanger is connected;
Air distribution combustion barrel 3-2 is a refractory material prefabricated component, the end opening jack in the groove of substrate, suitable for reading tight connection of suitable for reading and bellows 3-1; Air distribution combustion barrel 3-2 has 4～8 seams, and slot and the interior circle of air distribution combustion barrel tangent (or cutting mutually), slot evenly distribute on circumference, the wide wall thickness that generally is no more than tube of slot; The air that enters bellows 3-1 enters in the air distribution combustion barrel 3-2 through slot, forms swirling eddy, with combustion gas mixing and burning.
Pre-burning cover 3-3 is made by heat-resisting steel sheet and plate.The outside is a cylinder, and its hypomere is 2～6 circular arc legs, and the circular arc leg inserts in the groove of substrate; The effect of circular arc leg is: a) make pre-burning cover location, b) allow 20～30% air enter in the pre-burning cover, so that and combustion gas premix.The inboard is frustum cone cylinder, connects by 2～6 gussets between inside and outside two cylinders; Inside and outside two cylinders form up-narrow and down-wide circumferential weld, and the top circumferential weld is wide to be 1 to 4 millimeter, preferred 2 millimeters; The wide external diameter that equals or be slightly larger than combustion gas delivery pipe 3-5 of bottom circumferential weld; Outside cylindrical is slightly higher 2 to 10 millimeters than inboard cylinder.The function of pre-burning cover is to improve the steady flame performance of burner, just improves the security reliability of kitchen range.
Combustion gas delivery pipe 3-5 is made of the ring pipe of horizontal positioned and wireway vertically downward.The axis top of ring pipe is drilled with 4～9 fumaroles, and injection diameter is decided according to the rated power of kitchen range, the factors such as calorific value, gaseous-pressure and spray orifice number of combustion gas.
Ignitor 3-6 is the mature technology of using, and the present invention is not described herein.
The power of kitchen range varies.The interior external diameter of the diameter of the interior external diameter of the bellows diameter of burner and height, air distribution combustion barrel and height, pre-burning cover and height, combustion gas delivery pipe all increases and decreases with the kitchen range watt level.
Combustion gas enters combustion gas delivery pipe 3-5 through wireway, is quantitatively sprayed in the pre-burning cover 3-4 by spray orifice.Air enters bellows 3-5 through heat exchanger and is sprayed in the combustion barrel by the slot of air distribution combustion barrel 3-2; 20～30% air enters the pre-burning cover, forms so-called " wind ", and remaining air forms " secondary wind "; In the pre-burning cover and combustion gas mixing, " secondary wind " rises in pre-burning cover inner rotary " wind ", above the pre-burning cover with combustion gas mixing; From the last circumferential weld of pre-burning cover, spray after " wind " and the combustion gas mixing, and lighted, promptly near last circumferential weld, form after gaseous mixture is lighted " flame stablization lap ", for the gaseous mixture of follow-up ejection provides incendiary source by electrode.Gaseous mixture after lighting continues to rise, and mixes with " secondary wind ", continues to burn on the top of air distribution combustion barrel, and burn (most combustible component oxidation reactions finish) in fire pot.
Fig. 6 and 7 shows a kind of shell-and-tube heat exchanger, by high-temperature flue gas leading-in box 4-1, the movement-oriented case 4-2 of air, shell 4-3, glass tube group 4-4, fire-retardent fiber felt-rug 4-5, normal temperature air introduction tube 4-6, low-temperature flue gas fairlead 4-7, high temperature air outlet box 4-8.
High-temperature flue gas leading-in box 4-1 be positioned at the top of heat exchanger, bottom that low-temperature flue gas fairlead 4-7 is in heat exchanger, Cryogenic air introduction tube 4-6 in the bottom, side of heat exchanger, high temperature air outlet box 4-8 top, side, the air of heat exchanger flow swing to case 4-2 in the side, glass tube group 4-4 is fixed on the shell 4-3 by the arrangement mode of design.Fire-retardent fiber felt-rug 4-5 sticks on shell 4-3 inboard.
High-temperature flue gas in the chamber of a kitchen range enters heat exchanger by high-temperature flue gas leading-in box 4-1, and flue gas " is walked shell side ", while flue gas flows downward to the heat release of glass tube group, low-temperature flue gas is discharged heat exchanger from low-temperature flue gas fairlead 4-7; Combustion air enters heat exchanger from normal temperature air introduction tube 4-6, and air " is walked tube side ", and air flows in pipe and is heated; In order to improve " temperature efficiency " of heat exchanger, size according to kitchen range power, the air flow process can be designed as 2 to 4 " flow process ", i.e. and 2 to 4 " glass tube group ", and adopt counter-flow arrangement (normal temperature air send as, high temperature air from the low-temperature end of flue gas and discharges from the temperature end of flue gas); With the movement-oriented case 4-2 of air mobile 180 degree of doing of air are turned between each pipe group, the mobile number of swinging to case 4-2 of air is that pipe group number (or flow process number) subtracts 1.Burner is drawn and entered to combustion air after being heated by high temperature air outlet box 4-8.
Heat-transfer surface is the thin-walled glass tubule.0.2～1.0 millimeter of pipe wall thickness, preferred 0.3～0.4 millimeter; According to the watt level of cooking stove, tube outer diameter between 5～10 millimeters, preferred 5～8 millimeters.
The flow of flue gas cross section with flow direction reduce gradually, air flow section " by journey " increases.
Combustion gas enters burner by gas nozzle, and simultaneously, air enters burner by preset proportion by air quantity detection and control valve, air preheater, a hot-air part and combustion gas mixing in burner, and another part is combustion-supporting as secondary wind rotation ejection; Ignitor and the work of flame monitoring electrode, light, flame detection electrode detect flame normal after, ignitor quits work; The flame heat pot, flue gas is discharged the kitchen range hall from smoke exhaust pipe, enters air preheater through the collection smoke box, and flue gas adds hot-air in heat exchanger, and low-temperature flue gas is discharged through smokejack.
Civil gas stove of the present invention can be recycled most of flue gas, can heat combustion air, thereby civil gas stove of the present invention has energy-saving and cost-reducing advantage, meets the development trend of country.
The most of recovery of described flue gas is meant that the following in working order most of flue gas of cooking stove is recycled, and specifically, the exhaust gas volumn more than 85% all obtains reclaiming.
Described " utilizing fume afterheat heating combustion air " is meant that the physics heat of utilizing flue gas is heated to combustion air more than 400 ℃.
Claims (6)
1. civil gas stove, it is characterized in that, described civil gas stove mainly is made of the chamber of a kitchen range, burner and dividing wall type heat exchanger, the side lower part of the chamber of a kitchen range is provided with exhaust opening, burner is provided with air inlet, burner is positioned at the inboard bottom of the chamber of a kitchen range, and heat exchanger is positioned at the side-lower of the chamber of a kitchen range and is connected respectively with the exhaust opening of the chamber of a kitchen range, the air inlet of burner, so that from the high-temperature flue gas of the chamber of a kitchen range and the employed combustion air heat exchange in described heat exchanger of burning.
2. civil gas stove as claimed in claim 1 is characterized in that, described civil gas stove also comprises air feed pipe, air feed control valve, Gas Pipe, gas control valve and smoke exhaust pipe.
3. civil gas stove as claimed in claim 1 or 2 is characterized in that described civil gas stove comprises kitchen range frame and air blast.
4. civil gas stove as claimed in claim 1, it is characterized in that, the described chamber of a kitchen range is mainly by the kitchen range mouth, chamber of a kitchen range inner bag, fire pot, heat insulation charges and shell constitute, the kitchen range mouth is positioned at the top of the chamber of a kitchen range, kitchen range mouth and chamber of a kitchen range inner bag and shell plug, fire pot is positioned at chamber of a kitchen range central authorities and its end opening is sitting on the burner, shell surrounds chamber of a kitchen range inner bag, stuffed heat insulated charges between shell and the inner bag, the side lower part of chamber of a kitchen range inner bag is provided with exhaust opening, the exhaust opening of the chamber of a kitchen range is connected with the mouth that advances of heat exchanger, and the bottom center of chamber of a kitchen range inner bag and shell all leaves circular hole so that be connected with burner.
5. civil gas stove as claimed in claim 1 is characterized in that, described burner mainly is made of bellows, air distribution combustion barrel, pre-burning cover, substrate and combustion gas delivery pipe; Bellows are suitable for reading to be connected with the air distribution combustion barrel, and end opening is connected with substrate, and bellows, air distribution combustion barrel and substrate form annular passage jointly; Bellows one side is provided with air inlet, and described air inlet is connected with the high temperature air outlet box of heat exchanger; Air distribution combustion barrel end opening jack is on substrate, and suitable for reading tight connection of suitable for reading and bellows, the air distribution combustion barrel has 4～8 seams, and slot is tangent with the interior circle of air distribution combustion barrel or cut mutually, and slot evenly distributes on circumference; The pre-burning cover is made of inside and outside two cylinders, the outer cylinder lower end is provided with 2～6 circular arc legs, circular arc leg jack is on substrate, inside cylindrical is a back taper type platform tube, connect by 2～6 gussets between inside and outside two cylinders, inside and outside two cylinders form up-narrow and down-wide circumferential weld, and the top circumferential weld is wide to be 1～4 millimeter, the wide external diameter that is equal to or slightly greater than combustion gas delivery pipe of bottom circumferential weld; Outside cylindrical is higher 2～10 millimeters than inboard cylinder; Combustion gas delivery pipe is made of the ring pipe of horizontal positioned and wireway vertically downward, and the axis top of ring pipe is drilled with 4～9 fumaroles.
6. civil gas stove as claimed in claim 1 is characterized in that, described dividing wall type heat exchanger is made of high-temperature flue gas leading-in box, low-temperature flue gas fairlead, normal temperature air introduction tube, high temperature air outlet box, the movement-oriented case of air, shell and glass tube; The high-temperature flue gas leading-in box is positioned at the top of heat exchanger, and tube side or shell side by heat exchanger are communicated with the low-temperature flue gas fairlead that is positioned at the heat exchanger bottom; The Cryogenic air introduction tube is positioned at the bottom, side of heat exchanger, and shell side or tube side by heat exchanger are communicated with the high temperature air outlet box that is positioned at top, heat exchanger side; The movement-oriented case of air is positioned at the side of heat exchanger, is communicated with the glass tube group of adjacent tube side; The glass tube group is fixed on the shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810132178A CN101634463A (en) | 2008-07-22 | 2008-07-22 | Civil gas stove |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810132178A CN101634463A (en) | 2008-07-22 | 2008-07-22 | Civil gas stove |
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| Publication Number | Publication Date |
|---|---|
| CN101634463A true CN101634463A (en) | 2010-01-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200810132178A Pending CN101634463A (en) | 2008-07-22 | 2008-07-22 | Civil gas stove |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101825295A (en) * | 2010-05-20 | 2010-09-08 | 林水龙 | Energy-saving gas stove |
| CN101915432A (en) * | 2010-09-02 | 2010-12-15 | 杭州帕沃节能设备有限公司 | Heat exchange type energy saving environmental protection oven and heat exchange method |
| WO2015113361A1 (en) * | 2014-01-29 | 2015-08-06 | 深圳市大能节能技术有限公司 | Roasting stove for recycling and utilizing waste heat |
| CN105698231A (en) * | 2016-04-29 | 2016-06-22 | 佛山市顺德区蓝贝电器设备有限公司 | Novel energy-saving environment-friendly stove |
| CN106152161A (en) * | 2016-09-21 | 2016-11-23 | 佛山市翠微自动化科技有限公司 | A kind of environmental protection smoke exhaust barrel device |
| CN119333809A (en) * | 2024-12-23 | 2025-01-21 | 阜城县合德兴能源设备科技有限公司 | A steam generator with air preheater |
-
2008
- 2008-07-22 CN CN200810132178A patent/CN101634463A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101825295A (en) * | 2010-05-20 | 2010-09-08 | 林水龙 | Energy-saving gas stove |
| CN101915432A (en) * | 2010-09-02 | 2010-12-15 | 杭州帕沃节能设备有限公司 | Heat exchange type energy saving environmental protection oven and heat exchange method |
| CN101915432B (en) * | 2010-09-02 | 2012-05-30 | 杭州帕沃节能设备有限公司 | Heat exchange type energy-saving environment-friendly stove and heat exchange method |
| WO2015113361A1 (en) * | 2014-01-29 | 2015-08-06 | 深圳市大能节能技术有限公司 | Roasting stove for recycling and utilizing waste heat |
| CN105698231A (en) * | 2016-04-29 | 2016-06-22 | 佛山市顺德区蓝贝电器设备有限公司 | Novel energy-saving environment-friendly stove |
| CN106152161A (en) * | 2016-09-21 | 2016-11-23 | 佛山市翠微自动化科技有限公司 | A kind of environmental protection smoke exhaust barrel device |
| CN119333809A (en) * | 2024-12-23 | 2025-01-21 | 阜城县合德兴能源设备科技有限公司 | A steam generator with air preheater |
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Open date: 20100127 |