CN108679650A - The energy-saving burner type cooker of integrated thermal protection and waste heat recovery and natural draught system - Google Patents
The energy-saving burner type cooker of integrated thermal protection and waste heat recovery and natural draught system Download PDFInfo
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- CN108679650A CN108679650A CN201810426519.4A CN201810426519A CN108679650A CN 108679650 A CN108679650 A CN 108679650A CN 201810426519 A CN201810426519 A CN 201810426519A CN 108679650 A CN108679650 A CN 108679650A
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- Prior art keywords
- cavity
- thermal protection
- air
- kitchen range
- heat retaining
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
- F24C3/00—Stoves or ranges for gaseous fuels
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J11/00—Devices for conducting smoke or fumes, e.g. flues
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J15/00—Arrangements of devices for treating smoke or fumes
- F23J15/06—Arrangements of devices for treating smoke or fumes of coolers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
- F24C15/00—Details
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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
- Y02E20/30—Technologies for a more efficient combustion or heat usage
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Central Heating Systems (AREA)
Abstract
The invention belongs to kitchen range technical field, it is related to a kind of integrated thermal protection and the energy-saving burner type cooker of waste heat recovery and natural draught system.It is mainly made of kitchen range, exhaust fume collecting hood and chimney, kitchen range and pot device are located in the enclosed burning of the whole heat retaining cavity of integration and the structure of heating.The object of the present invention is to provide a kind of integrated thermal protection and the energy-saving burner type cookers of waste heat recovery and natural draught system, have and are realized by thermal protection, reduce heat loss, recycling waste heat from tail gas and improves completely burned degree for kitchen range, the advantages of significantly improving the energy utilization efficiency of kitchen range, realizing energy-saving and emission-reduction.
Description
Technical field
The invention belongs to kitchen range technical field, it is related to a kind of integrated thermal protection and waste heat recovery and the energy-saving combustion of natural draught system
Burner formula kitchen range.
Background technology
Existing normal burner formula kitchen range, including the air suspended type of natural induced draft, fully-premixed, embedded (upper air inlet
Formula) etc. kitchen range, also include the kitchen range of exogenous power air feed (such as wind turbine, air compressor, pipeline air), burning and right
Pot device heating is in open working condition, and kitchen range and pot device have radiation, convection current, heat conduction, incomplete combustion etc.
Energy loss causes the energy utilization efficiency of kitchen range relatively low.The thermal efficiency of many kitchen range is less than 50%, the thermal efficiency of some kitchen range
Even less than 35%.Not only a large amount of energy (fuel) had been wasted, but also has increased significantly the gas discharge for influencing environment.
Invention content
The object of the present invention is to provide a kind of integrated thermal protection and the energy-saving burner types of waste heat recovery and natural draught system
Kitchen range have and realize thermal protection to kitchen range, reduce heat loss, recycling waste heat from tail gas and improve completely burned degree, hence it is evident that improve kitchen range
Energy utilization efficiency, realize energy-saving and emission-reduction the advantages of.For this purpose, the present invention is mainly by kitchen range, exhaust fume collecting hood and chimney institute group
At kitchen range and pot device are located in the enclosed burning of the whole heat retaining cavity of integration and the structure of heating.The integration is whole
The enclosed burning of body heat retaining cavity and the structure of heating are a short chimney structures surrounded by thermal protection cavity wall, thermal protection cavity wall
Upper end is equipped with exhaust fume collecting hood, and exhaust fume collecting hood upper end communicates chimney, and thermal protection cavity wall lower face is equipped with air air intake vent, and Secondary Air is led
It is the heat retaining cavity of lower section into the thermal protection cavity wall of partition board lower end, communicates the fuel of kitchen range in the heat retaining cavity of lower section equipped with port
Preheat pipeline.The enclosed burning of the whole heat retaining cavity of the integration and the structure of heating are that one is enclosed by thermal protection cavity wall
At short chimney structure, thermal protection cavity wall upper end is equipped with exhaust fume collecting hood, and exhaust fume collecting hood upper end communicates chimney, and thermal protection cavity wall lower face is
Sealing surface, the interior heat retaining cavity for lower section of thermal protection cavity wall of Secondary Air kicker baffle lower end, in rear side and adjacent two sides
Thermal protection cavity wall be equipped with air preheat cavity, fin is equipped in air-pre-heating cavity body, the air for communicating air preheat cavity enters
Air port is located in the outside thermal protection cavity wall of exhaust fume collecting hood lower end, the air air outlet of air preheat cavity downwards with the heat retaining chamber of lower section
Body lower end communicates, and communicates the fuel preheating pipeline of kitchen range in the heat retaining cavity and air-pre-heating cavity body of lower section equipped with port.It is described
The enclosed burning of the whole heat retaining cavity of integration and the structure of heating be that integrated whole heat retaining chamber is surrounded by thermal protection cavity wall
Body, thermal protection cavity wall upper end are equipped with exhaust fume collecting hood, and exhaust fume collecting hood upper end communicates chimney, and thermal protection cavity wall lower face is sealing surface, secondary
Be the heat retaining cavity of lower section in the thermal protection cavity wall of wind kicker baffle lower end, the heat retaining cavity of lower section is sealing space, in rear side and
The thermal protection cavity wall of two adjacent sides is equipped with air preheat cavity, and economizer bank is located in air-pre-heating cavity body.It is described
Fuel preheating pipeline using coil pipe or coiled pipe or finned tube pipeline.Above structure realizes the purpose of the present invention.
It is an advantage of the invention that realizing thermal protection to kitchen range, reducing heat loss, recycling waste heat from tail gas and improving completely burned journey
Degree, hence it is evident that improve the energy utilization efficiency of kitchen range, realize energy-saving and emission-reduction.
The present invention can make kitchen range and pot device complete burning in the closed cavity systems of the whole thermal protection of the integration and add
The course of work of heat, including combustion air and preheating of fuel, burning, pot device are heated, waste heat from tail gas recycling, avoid open work
Heat loss in terms of the radiation of the conventional kitchen range and both pot devices of work, heat conduction, convection current.Kitchen range (burner) flame area
The cavity innermost layer cavity wall of the main heat affected zone of pot device of cavity innermost layer cavity wall and upper part be both configured to thermal protection cavity wall, be
Burning and pot device are heated to provide direct thermal protection effect, improves the operating temperature that burner combustion flame and pot device are heated, improves
The thermal efficiency of kitchen range.
The structure of the combustion air preheating cavity (tail gas or waste heat of range recycling cavity) of wall-type heat exchange is set.It helps
Combustion air flows through the preheating cavity according to the path of design and carries out wall-type heat exchange with tail gas, is helped using the waste heat preheating in tail gas
Air is fired, i.e., improves the thermal efficiency by recycling waste heat from tail gas.Wing is arranged in the path that combustion air flowing in the cavity is passed through
Chip architecture improves heat exchange efficiency.
Integrated entirety heat retaining cavity both direction above and below kitchen range stretches to form short chimney structure.There is secondary air combustion aid
Or the burner type cooker of air natural induced draft combustion-supporting in a manner of mass transfer, the gas draft which generates are stove
The supply of the flue gas emission, combustion air of tool provides the additional motive force of gas flowing.Meanwhile increase guiding combustion air by
The motive force that recuperation of heat cavity is flowed through according to the path of design makes combustion air be preheated in recuperation of heat cavity and recycle tail gas
In waste heat energy.Also, the draft that short chimney generates, increases certain Secondary Air or the supply of other combustion airs,
The completeness of burning is improved, the thermal efficiency is increased.Above kitchen range, due to by pot device height and cooking operation convenience etc.
It is required that limitation, under normal circumstances heat retaining cavity stretched upwards above kitchen range formation short chimney height it is limited.To kitchen range
Top stretching, extension obtain short chimney height it is insufficient in the case of, heat retaining cavity can stretch suitable length to the lower section of kitchen range, make
Short chimney generally obtains enough height.In above-mentioned short chimney structure or waste heat from tail gas recycling cavity (air preheat cavity)
On setting exhaust fume collecting hood and be connected to exhaust fume collecting hood chimney formation discharge flue, utilize oil smoke tail gas own temperature and heat
Natural draught system is realized in the stack effect draft generated in the discharge flue.It is independent that the discharge flue can be directly communicated to outdoor formation
Smoke discharging structure, can be also connected to the flue of the central exhaust of building.Set the discharge flue to heat preservation channel, the row of can be improved
The draft of cigarette.
In the case that the present invention does not change the original major function of conventional kitchen range, the thermal efficiency was both improved and had realized nature row
Cigarette, but convenient for the design of conventional kitchen range, manufacture and the links such as use to dock.The kitchen range of power-saving technology and function are increased, are tied
Structure is still relatively simple, and use is more convenient.The thermal efficiency of new construction kitchen range greatly improves, and natural draught system, energy saving and province's combustion gas effect
Significantly, the double effects with energy-saving and emission-reduction, there is larger economic benefit and social benefit potentiality.
Description of the drawings
Fig. 1 is the principle of the present invention structural schematic diagram.
Fig. 2 is another embodiment of the present invention theory structure schematic diagram.
Fig. 3 is another embodiment of the present invention theory structure schematic diagram.
In each figure：1, thermal protection cavity wall, 2, Secondary Air kicker baffle, 3, fuel preheating pipeline, 4, operation and observation door, 5, empty
Gas preheats cavity (waste heat from tail gas recycling cavity), and 6, economizer bank, 7, exhaust fume collecting hood, 8, chimney.
Specific implementation mode
As shown in Fig. 1 to Fig. 3, a kind of integration thermal protection and energy-saving burner type stove of waste heat recovery and natural draught system
Tool, is mainly made of kitchen range, exhaust fume collecting hood 7 and chimney 8, and kitchen range and pot device are located at the envelope of the whole heat retaining cavity of integration
In the structure of enclosed burning and heating, of the invention has following embodiments.
Embodiment 1, as shown in Fig. 1, the enclosed burning of the whole heat retaining cavity of integration and the structure of heating of Fig. 1 are
The structure of natural induced draft burner type cooker, integration whole thermal protection and natural draught system.
The enclosed burning of the whole heat retaining cavity of the integration and the structure of heating are：One is enclosed by thermal protection cavity wall 1
At short chimney structure, kitchen range front have operation and observation door 4, thermal protection cavity wall upper end be equipped with exhaust fume collecting hood, exhaust fume collecting hood upper end communicates
Chimney.Thermal protection cavity wall lower face is equipped with air air intake vent（Arrow is signified in figure）,（In the middle part of Secondary Air kicker baffle
In the space of hole）.It is the heat retaining cavity of lower section in the thermal protection cavity wall of 2 lower end of Secondary Air kicker baffle, in the heat retaining cavity of lower section
The fuel preheating pipeline 3 of kitchen range is communicated equipped with port.The fuel preheating pipeline is using coil pipe or coiled pipe or finned tube
Pipeline.
The whole heat retaining cavity integrated to kitchen range and the setting of pot device of embodiment 1, forms the envelope of (single layer) thermal protection cavity wall
The burning of closed form and the work system that pot device (being located at kitchen range upper end in figure) is heated.In the closed system, kitchen range (
Or burner or stove core) burning and conventional kitchen range can avoid to the course of work of pot device heating work shape in style of opening
Heat loss caused by the heat loss through radiation generated under state and ambient cold air heat loss through convection, heat conduction and heat radiation etc..Therefore, in Fig. 1 institutes
In the closed system for the whole thermal protection of integration shown, the heating temperature to pot device that burned flame generates significantly improves, simultaneously
The heat loss of the various heat dissipations of kitchen range and pot device is substantially reduced.The closed work system of integrated entirety thermal protection substantially increases
The thermal efficiency.In addition, entering back into kitchen range burning after being preheated in fuel preheating pipeline of the fuel in the system in thermal protection
Increase the thermal efficiency.
Thermal protection cavity wall shown in Fig. 1 stretches to form integrated whole heat retaining cavity to both direction above and below kitchen range.It is burning
Lower and in integrated whole heat retaining cavity the inside and outside gas density of the ascension effect of higher temperatures (compared with low-density) flue gas of generation
Under difference effect, integration entirety heat retaining cavity forms a short chimney structure.Heat retaining cavity bottom in the short chimney structure
Certain draft effect is generated to the air at air air intake vent.Meanwhile the draft of the chimney of kitchen range is also to air inlet air
Air at mouthful produces draft effect.The draft that short chimney structure generates increases a certain amount of Secondary Air supply, improves
Completely burned degree, further increases the kitchen range thermal efficiency.In the heat retaining cavity below kitchen range, the downward heat dissipation of kitchen range itself
There is pre- heat effect to combustion air.
Natural induced draft atmospheric burner kitchen range shown in Fig. 1, a part of Secondary Air are supplied by kitchen range surrounding annular space,
Another part Secondary Air is provided by the Secondary Air annular space on stove table-board, under Secondary Air kicker baffle.
On above-mentioned short chimney structure, the chimney that is directly connected to exhaust fume collecting hood and is connected to exhaust fume collecting hood.The exhaust fume collecting hood
Discharge flue is formed with the chimney.Since flue gas and culinary art tail gas itself have certain temperature and heat, hot oil smoke tail
Gas generates stack effect in the discharge flue.The stack effect generates the draft of smoke evacuation, realizes natural draught system.The discharge flue
It can be directly communicated to the independent smoke discharging structure of outdoor formation, can be also connected to the flue of the central exhaust of building.By the discharge flue
It is set as heat preservation channel, the draft of smoke evacuation can be improved.
Power-saving technology and principle shown in Fig. 1 carry out practical measurement using commodity kitchen range available on the market and show
The normal-temperature water of the same amount boiled time is shortened into about 1/5, and natural draught system, energy saving and emission reduction effect is notable.
In the kitchen range of natural induced draft burner, in addition to air suspended type kitchen range, also fully premixed combustion device (such as infrared stove)
Kitchen range, full upper air inlet type kitchen range (such as partially embedded kitchen range).According to the principle of above structure, technology and process, to this
The natural induced draft burner type cooker of a little other forms can accordingly adjust or change the whole thermal protection of integration shown in Fig. 1 and short
Relevant portion in chimney cavity body structure.Such as：It is whole for the integration of full upper air inlet kitchen range (such as partially embedded kitchen range)
The cavity of body thermal protection and short chimney structure is close with the cavity body structure of air suspended type kitchen range shown in Fig. 1 on the whole.But stove core week
Enclosing does not have Secondary Air annular space, and the air feed annular space on stove table-board, is both the intake adit and First air of Secondary Air
Intake adit；The kitchen range that the full premixed type burner of whole combustion airs is supplied for injector, need not supply Secondary Air, protect
The cavity wall of hot cavity can be overlapped with the wall of kitchen range surrounding.The short chimney structure stretched below kitchen range at this time disappears.Below kitchen range
Heat retaining cavity can suitably shorten.The main function of heat retaining cavity below kitchen range is, utilizes the heat dissipation of kitchen range cavity downwards
Come pre-heating fuel and combustion air, while to playing thermal protection below kitchen range, avoiding the radiation loss below kitchen range.Above kitchen range
The main function of heat retaining cavity be that thermal protection is carried out to combustion flame and heated pot device, improve flame temperature and pot device be heated
Temperature improves the thermal efficiency and realizes energy-saving and emission-reduction.
Embodiment 2：As shown in Fig. 2, the whole enclosed burning of heat retaining cavity of integration and the structure of heating of Fig. 2
It is
The structure of the integrated thermal protection of natural induced draft burner type cooker and waste heat recovery and natural draught system.
The enclosed burning of the whole heat retaining cavity of the integration and the structure of heating are that one is surrounded by thermal protection cavity wall
Short chimney structure, thermal protection cavity wall upper end is equipped with exhaust fume collecting hood, and exhaust fume collecting hood upper end communicates chimney, and thermal protection cavity wall lower face is close
Cover is the heat retaining cavity of lower section in the thermal protection cavity wall of Secondary Air kicker baffle lower end, in rear side and adjacent two sides
Thermal protection cavity wall is equipped with air preheat cavity 5, is equipped with fin in air-pre-heating cavity body, communicates the air inlet air of air preheat cavity
Mouthful be located in the outside thermal protection cavity wall of exhaust fume collecting hood lower end, the air air outlet of air preheat cavity downwards with the heat retaining cavity of lower section
Lower end communicates, and communicates the fuel preheating pipeline of kitchen range in the heat retaining cavity and air-pre-heating cavity body of lower section equipped with port.Described
Fuel preheating pipeline is using coil pipe or the pipeline of coiled pipe or finned tube.
Obviously, internal layer and outer layer cavity wall, internal layer and outer layer are equipped in the thermal protection cavity wall of rear side and adjacent two sides
Air preheat cavity is formed between cavity wall.
In the structure shown in Fig. 2, the burning of kitchen range and the avoidable conventional kitchen range of the course of work heated to pot device are being opened
Put heat loss caused by the heat loss through radiation generated under type working condition and ambient cold air heat loss through convection and heat conduction and heat radiation.And
And functional section internal layer cavity wall that the combustion function section internal layer cavity wall and pot device of cavity are mainly heated also is both configured to thermal protection cavity wall, it is right
Burning and the direct thermal protection effect of the heated offer of pot device, improve combustion flame and pot device heating temperature.Therefore, shown in Fig. 2
In structure, flame significantly improves the heating temperature of pot device, while the heat loss of the various heat dissipations of kitchen range and pot device is substantially reduced.
Fuel is also preheated in the fuel preheating pipeline in the thermal protection system.The closed job family of integrated entirety thermal protection
System substantially increases the thermal efficiency.
Integrated heat retaining cavity shown in Fig. 2 is stretched to both direction above and below kitchen range.Burning generate higher temperatures (compared with
Low-density) under the action of ascension effect is lower and gas density difference in the center cavity of thermal protection and its outboard chambers of flue gas,
Integrated entirety heat retaining cavity forms a short chimney structure.Short chimney structure is in the bottom of central cavity to its outer layer cavity
In air generate certain draft effect (draft that the exhaust fume collecting hood and chimney of kitchen range are generated in injection First air
Draft effect is generated to the air in the outer layer cavity).The draft of short chimney structure increases a certain amount of Secondary Air supply,
Completely burned degree is improved, the kitchen range thermal efficiency is further increased.
In the structure shown in Fig. 2, a part of Secondary Air is supplied by burner (or kitchen range, stove core) surrounding annular space
It gives, another part Secondary Air is provided by the Secondary Air annular space on stove table-board, under Secondary Air kicker baffle.In kitchen range
The air preheat cavity of thermal protection outer wall can be arranged in two sides and opposite.Fin can be set in air preheat cavity, improve heat exchange
Efficiency.Since the heat transfer coefficient of gas is relatively low, dividing wall type gas converting heat needs larger heat transfer area.Air preheat cavity can be two
Side and three side of opposite set up suitable height to obtain enough heat exchange areas, reasonably recycle the waste heat of tail gas.It closes
The positive operation of kitchen range and observation door 4, can prevent cold air from influencing waste heat from tail gas recycling.
Combustion-supporting air air intake vent can suitably be moved down from the top of air preheat cavity, and be provided with one section for combustion air
The wall-type heat exchange path turned back.This set can not only recycle the waste heat of tail gas, but also exhaust emissions can be made to have centainly rationally
Temperature, avoid occurring the condensations such as water vapour on internal chamber wall.
On the above-mentioned short chimney structure (cavity containing air preheat), it is directly connected to exhaust fume collecting hood and is connected to exhaust fume collecting hood
Chimney.The exhaust fume collecting hood forms discharge flue with the chimney.Since flue gas and culinary art tail gas itself have certain temperature
And heat, hot oil smoke tail gas generate stack effect in the discharge flue.The stack effect generates the draft of smoke evacuation, realizes certainly
So smoke evacuation.The discharge flue can be directly communicated to the independent smoke discharging structure of outdoor formation, also can be with the flue of the central exhaust of building
Connection.It sets the discharge flue to heat preservation channel, the draft of smoke evacuation can be improved.
Power-saving technology and principle shown in Fig. 2 carry out practical measurement using commodity kitchen range available on the market and show
The normal-temperature water of the same amount boiled time is shortened into about 1/3, and natural draught system, energy saving and emission reduction effect is more notable.
For the natural induced draft burner type cooker of other forms, including fully premixed combustion device (such as infrared stove) stove
Tool, full upper air inlet type kitchen range etc., according to the principle of above structure, technology and process, can on the basis of Fig. 2 accordingly adjustment or
Change the relevant portion in the whole thermal protection of integration and waste heat recovery cavity body structure.Such as：For full upper air inlet, (such as part is embedding
Enter formula kitchen range) integration whole thermal protection and air inlet type waste heat recovery suitable for reading cavity body structure, tied on the whole with shown in Fig. 2
Structure is close.But there is no Secondary Air annular space around stove core, and the air feed annular space on stove table-board, be both Secondary Air air feed it is logical
The intake adit in road and First air.
The internal layer cavity wall of heat retaining cavity can be overlapped with the wall of kitchen range surrounding.Cavity does not generate short to stretching, extension below kitchen range at this time
The draft of chimney structure acts on.The draft of supply combustion air is generated by chimney completely.Heat retaining cavity below kitchen range
Main function is, using the heat dissipation of kitchen range cavity downwards come pre-heating fuel and combustion air, while to playing thermal protections below kitchen range
Effect, avoids the radiation loss below kitchen range.The main function of heat retaining cavity above kitchen range is, to combustion flame and heated
Pot device carries out thermal protection, improves flame temperature and pot device heating temperature, improves the thermal efficiency and realizes energy-saving and emission-reduction.
Embodiment 3：As shown in Fig. 3, the whole enclosed burning of heat retaining cavity of integration and the structure of heating of Fig. 3
It is the integrated thermal protection and the structure of waste heat recovery and natural draught system of the burner type cooker of exogenous power air feed.
The enclosed burning of the whole heat retaining cavity of the integration and the structure of heating are to surround one by thermal protection cavity wall
Change whole heat retaining cavity, thermal protection cavity wall upper end is equipped with exhaust fume collecting hood, and exhaust fume collecting hood upper end communicates chimney, and thermal protection cavity wall lower face is
The heat retaining cavity of sealing surface, the interior heat retaining cavity for lower section of thermal protection cavity wall of Secondary Air kicker baffle lower end, lower section is that sealing is empty
Between, air preheat cavity is equipped in the thermal protection cavity wall of rear side and adjacent two sides, it is pre- that economizer bank 6 is located at air
In hot cavity.The fuel preheating pipeline is using coil pipe or the pipeline of coiled pipe or finned tube.
Fig. 3 is the atmospheric burner kitchen range of exogenous power air feed (such as wind turbine, air compressor, pipeline air feed)
The structural schematic diagram of integrated entirety thermal protection and waste heat from tail gas recycling.Integrated whole thermal protection cavity wall is that kitchen range and pot device are formed
Case type burning and work system to the heating of pot device.In the closed system, the burning of burner and to pot device heat
The course of work can avoid open system be also easy to produce heat loss through radiation, with ambient cold air heat loss through convection and heat conduction and heat radiation and draw
The heat loss risen.
Heat on cavity wall is air preheat cavity.Combustion flame and its flue gas of generation after completing to heat pot device,
Then flue gas heats the economizer bank in air-pre-heating cavity body, utilizes cigarette in the continuous rising of air preheat cavity relaying of thermal protection
Gas waste heat makes the air in economizer bank be preheated.In fuel preheating pipeline in the heat retaining cavity that fuel is below into
Row preheating.It shuts positive operation door and observes the recycling that door 4 can prevent cool exterior air from influencing waste heat in cavity.
The whole thermal protection of integration of closed system, recovery waste heat are with preheated air, fuel, these combination sections in the cavity
Under the collective effect of energy technology, combustion flame and pot device heating temperature, while the heat of the various heat dissipations of kitchen range and pot device are improved
Loss substantially reduces, and substantially increases the thermal efficiency.
Air preheat cavity internal chamber wall, may be configured as heat transfer cavity wall or half heat transfer cavity wall, both recyclable pot device was upward
The heat dissipation of side, and since flue gas is to the heat effect of internal chamber wall, will not have water vapour etc. on the cavity wall madial wall above pot device
Condensation.
On air preheat cavity, the chimney that is directly connected to exhaust fume collecting hood and is connected to exhaust fume collecting hood.The exhaust fume collecting hood with
The chimney forms discharge flue.Since flue gas and culinary art tail gas itself have certain temperature and heat, hot oil smoke tail gas
Stack effect is generated in the discharge flue.The stack effect generates the draft of smoke evacuation, realizes natural draught system.The discharge flue can
It is directly communicated to the independent smoke discharging structure of outdoor formation, can be also connected to the flue of the central exhaust of building.The discharge flue is set
It is set to heat preservation channel, the draft of smoke evacuation can be improved.
Power-saving technology and principle shown in Fig. 3 carry out practical measurement using commodity kitchen range available on the market and show
The normal-temperature water of the same amount boiled time is shortened about 1/3, and natural draught system, effects of energy saving and emission reduction are very notable.
Structure shown in Fig. 3 is not only suitable for the occasion of pot and stove integration fixed structure (such as large-size pot and stove), can also fit
It is fixed for kitchen range and hearth, need to often pick and place the occasion of pot device but pot device size constancy.
For other forms have exogenous power air feed (such as First air), in combination with natural induced draft (as secondary
Wind) burner type cooker, according to the principle of above structure, technology and process, in combination with the related knot of Fig. 1~2
Structure accordingly adjusts on the basis of Fig. 3 or changes the relevant portion in the structure of Fig. 3.
In short, it is an advantage of the invention that realizing thermal protection to kitchen range, reducing heat loss, recycling waste heat from tail gas and improving combustion completely
Burning degree, hence it is evident that improve the energy utilization efficiency of kitchen range, realize energy-saving and emission-reduction.It can promote the use of.
Claims (5)
1. a kind of integration thermal protection and the energy-saving burner type cooker of waste heat recovery and natural draught system, mainly by kitchen range, collection cigarette
Cover and chimney are formed, it is characterised in that：Kitchen range and pot device be located at the whole heat retaining cavity of integration enclosed burning and
In the structure of heating.
2. according to integrated thermal protection and the energy-saving burner type stove of waste heat recovery and natural draught system described in claim 1
Tool, it is characterised in that：The enclosed burning of the whole heat retaining cavity of the integration and the structure of heating are that one by heat retaining chamber
The short chimney structure that wall surrounds, thermal protection cavity wall upper end are equipped with exhaust fume collecting hood, and exhaust fume collecting hood upper end communicates chimney, thermal protection cavity wall lower end
Face is equipped with air air intake vent, is the heat retaining cavity of lower section, the thermal protection of lower section in the thermal protection cavity wall of Secondary Air kicker baffle lower end
The fuel preheating pipeline of kitchen range is communicated in cavity equipped with port.
3. according to integrated thermal protection and the energy-saving burner type stove of waste heat recovery and natural draught system described in claim 1
Tool, it is characterised in that：The enclosed burning of the whole heat retaining cavity of the integration and the structure of heating are that one by heat retaining chamber
The short chimney structure that wall surrounds, thermal protection cavity wall upper end are equipped with exhaust fume collecting hood, and exhaust fume collecting hood upper end communicates chimney, thermal protection cavity wall lower end
Face is sealing surface, is the heat retaining cavity of lower section in the thermal protection cavity wall of Secondary Air kicker baffle lower end, in rear side and adjacent two
The thermal protection cavity wall of side is equipped with air preheat cavity, is equipped with fin in air-pre-heating cavity body, communicates the sky of air preheat cavity
Gas air intake vent is located in the outside thermal protection cavity wall of exhaust fume collecting hood lower end, the air air outlet of air preheat cavity downwards with the guarantor of lower section
Hot cavity lower end communicates, and communicates the fuel preheating pipeline of kitchen range in the heat retaining cavity and air-pre-heating cavity body of lower section equipped with port.
4. integration thermal protection according to claim 1 and the energy-saving burner type cooker of waste heat recovery and natural draught system,
It is characterized in that：The enclosed burning of the whole heat retaining cavity of the integration and the structure of heating are surrounded by thermal protection cavity wall
Integrated entirety heat retaining cavity, thermal protection cavity wall upper end are equipped with exhaust fume collecting hood, and exhaust fume collecting hood upper end communicates chimney, thermal protection cavity wall lower end
Face is sealing surface, is the heat retaining cavity of lower section in the thermal protection cavity wall of Secondary Air kicker baffle lower end, the heat retaining cavity of lower section is close
Space is sealed, air preheat cavity is equipped in the thermal protection cavity wall of rear side and adjacent two sides, economizer bank is located at air
In preheating cavity body.
5. the energy-saving burning of the integrated thermal protection and waste heat recovery and natural draught system according to claim 2 or 3 or 4
Device formula kitchen range, it is characterised in that：The fuel preheating pipeline is using coil pipe or the pipeline of coiled pipe or finned tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810426519.4A CN108679650A (en) | 2018-05-07 | 2018-05-07 | The energy-saving burner type cooker of integrated thermal protection and waste heat recovery and natural draught system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810426519.4A CN108679650A (en) | 2018-05-07 | 2018-05-07 | The energy-saving burner type cooker of integrated thermal protection and waste heat recovery and natural draught system |
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| Publication Number | Publication Date |
|---|---|
| CN108679650A true CN108679650A (en) | 2018-10-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810426519.4A Withdrawn CN108679650A (en) | 2018-05-07 | 2018-05-07 | The energy-saving burner type cooker of integrated thermal protection and waste heat recovery and natural draught system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108679650A (en) |
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2018
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Application publication date: 20181019 |
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