CN114076325A - Waste heat utilization device and stove comprising same - Google Patents
Waste heat utilization device and stove comprising same Download PDFInfo
- Publication number
- CN114076325A CN114076325A CN202010850566.9A CN202010850566A CN114076325A CN 114076325 A CN114076325 A CN 114076325A CN 202010850566 A CN202010850566 A CN 202010850566A CN 114076325 A CN114076325 A CN 114076325A
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- China
- Prior art keywords
- heat dissipation
- air
- pipeline
- utilization device
- waste heat
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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
- F24C3/08—Arrangement or mounting of burners
- F24C3/085—Arrangement or mounting of burners on ranges
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
- F23D14/02—Premix gas burners, i.e. in which gaseous fuel is mixed with combustion air upstream of the combustion zone
- F23D14/04—Premix gas burners, i.e. in which gaseous fuel is mixed with combustion air upstream of the combustion zone induction type, e.g. Bunsen burner
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
- F23D14/46—Details, e.g. noise reduction means
- F23D14/66—Preheating the combustion air or gas
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
- F23D14/46—Details, e.g. noise reduction means
- F23D14/72—Safety devices, e.g. operative in case of failure of gas supply
- F23D14/78—Cooling burner parts
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23L—SUPPLYING AIR OR NON-COMBUSTIBLE LIQUIDS OR GASES TO COMBUSTION APPARATUS IN GENERAL ; VALVES OR DAMPERS SPECIALLY ADAPTED FOR CONTROLLING AIR SUPPLY OR DRAUGHT IN COMBUSTION APPARATUS; INDUCING DRAUGHT IN COMBUSTION APPARATUS; TOPS FOR CHIMNEYS OR VENTILATING SHAFTS; TERMINALS FOR FLUES
- F23L1/00—Passages or apertures for delivering primary air for combustion
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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
- F24C15/006—Arrangements for circulation of cooling air
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02N—ELECTRIC MACHINES NOT OTHERWISE PROVIDED FOR
- H02N11/00—Generators or motors not provided for elsewhere; Alleged perpetua mobilia obtained by electric or magnetic means
- H02N11/002—Generators
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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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- 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
Abstract
The invention discloses a waste heat utilization device and a stove comprising the same, wherein the waste heat utilization device comprises an air pipeline system and an air power system, the air pipeline system comprises a first heat dissipation pipeline, a heat exchange pipeline and a second heat dissipation pipeline which are sequentially connected end to end and communicated, the first heat dissipation pipeline is tightly attached to a stove panel below one burner, the heat exchange pipeline is wound on a gas pipeline of the stove, the second heat dissipation pipeline is tightly attached to a stove panel below the other burner, and an air outlet at the tail end of the second heat dissipation pipeline is positioned between ejector pipes of the two burners; the air power system is communicated with the air inlet of the first heat dissipation pipeline. The waste heat utilization device can not only cool the cooking utensils panel of combustor below, also can preheat the gas, makes simultaneously through the primary air supply of preheating participate in the burning to drawing in the injection pipe, can improve the combustion efficiency of combustor when reducing cooking utensils panel surface temperature and improving customer's use travelling comfort, and then the energy can be saved.
Description
Technical Field
The invention relates to the field of cookers, in particular to waste heat utilization and a cooker comprising the same.
Background
When the gas stove is used, the temperature of the burner is too high, a large amount of heat can be radiated to the periphery, and part of the heat is absorbed by the panel, the knob, the battery and the like, so that the temperature of the panel, the knob and the battery is too high, certain damage is caused to customers, meanwhile, the heat efficiency of the burner is also reduced, and resource waste is caused.
Disclosure of Invention
The invention aims to overcome the defects of low heat efficiency and resource waste of a burner caused by poor heat dissipation effect of a gas stove in the prior art, and provides a waste heat utilization device and a stove comprising the same.
The invention solves the technical problems through the following technical scheme:
the utility model provides a waste heat utilization equipment for utilize the waste heat of cooking utensils, the cooking utensils include two at least combustors, its characterized in that, it includes:
the air pipeline system comprises a first heat dissipation pipeline, a heat exchange pipeline and a second heat dissipation pipeline which are sequentially connected end to end and communicated, the first heat dissipation pipeline is tightly attached to a stove panel below one burner, the heat exchange pipeline is wound on a gas pipeline of a stove, the second heat dissipation pipeline is tightly attached to the stove panel below the other burner, an air outlet is formed in the tail end of the second heat dissipation pipeline, and the air outlet is located between the ejector pipes of the two burners;
and the air power system is communicated with the air inlet of the first heat dissipation pipeline.
In this scheme, waste heat utilization equipment can not only cool off the cooking utensils panel of combustor below, also can preheat the gas, makes simultaneously through the primary air supply of preheating participate in the burning to drawing in penetrating the pipe, can improve the combustion efficiency of combustor when reducing cooking utensils panel surface temperature and improving customer's use travelling comfort, and then the energy can be saved.
Preferably, the air outlet is opposite to the air inlet of the ejector pipe.
In this scheme, adopt above-mentioned structural style for the air of exhaust in the second heat dissipation pipeline can be better to be introduced and penetrate intraductal and the gas mixture of penetrating.
Preferably, the length of the air outlet arranged at the tail end of the second heat dissipation pipeline is not less than the distance between the two air inlets which are farthest away from each other on the two injection pipes.
In this scheme, do not do the restriction to the structural style of air discharge port, can be the hole that a plurality of intervals set up, also can be along the gap that the length direction of second heat dissipation pipeline set up, adopt such structural style for the open area of air discharge port is bigger, and then makes the air of spun through preheating more in the second heat dissipation pipeline, so that get into the primary air that penetrates in the ejector pipe and can obtain abundant replenishment, thereby improve the combustion efficiency of combustor.
Preferably, two stove panels below the burners are further provided with first heat dissipation pieces, and the first heat dissipation pieces extend towards the air inlet of the injection pipe.
In this scheme, when first radiating part carries out the heat dissipation to the cooking utensils panel of combustor below, the temperature of first radiating part self can increase, and extends first radiating part to the air entrance who draws the ejector pipe for the gas draws and draws the air and get into the combustor again after first radiating part heats before getting into the combustor, and then has improved the thermal efficiency of combustor.
Preferably, the first heat dissipation element includes a first base plate and a plurality of first fins arranged at intervals, the first fins are connected to the bottom of the first base plate, the first base plate is connected to the cooker panel, and one end of the first fins in the length direction extends to exceed the air inlet of the injection pipe.
In this scheme, set up the first fin that a plurality of intervals set up in order to increase the surface area of first radiating part on first base plate, and then improve the radiating effect of first radiating part. And the one end of the length direction of first fin extends to and surpasss the air inlet who draws the injection pipe, and the increase gas draws the area of contact of penetrating air and first radiator, and then makes the gas draw and penetrates the air and can be fully preheated by first radiator, and then improve the thermal efficiency of combustor.
Preferably, the first heat dissipation pipe and the second heat dissipation pipe are respectively arranged outside the bases of the two burners in a surrounding manner.
In this scheme, adopt above-mentioned structural style in order to increase the area of contact of first heat dissipation pipeline and second heat dissipation pipeline and cooking utensils panel to lower the temperature to the cooking utensils panel better, make the air can be preheated better simultaneously.
Preferably, the aerodynamic system comprises a plurality of fans connected to a side wall or bottom of a chassis of the hob.
In the scheme, the aerodynamic system adopts the fan, so that the structure is simple, and kinetic energy can be provided for the flowing of air. The fan is arranged on the side wall or the bottom of the chassis of the cooker, so that the kinetic energy generated by the fan can be utilized to accelerate the supplement of the external air when the negative pressure generated by combustion of the cooker is sucked, sufficient primary air is provided for the combustion of the combustor, and the combustion efficiency of the combustor is improved.
Preferably, a battery compartment on the chassis is aligned with one of the fans.
In this scheme, set up the fan in the position of battery case, can effectively reduce the temperature of battery, the life of battery in the extension battery case, simultaneously, primary air is preheated by the battery case to improve the thermal efficiency of burning.
Preferably, the waste heat utilization device further comprises a thermoelectric generation system, the thermoelectric generation system comprises a thermoelectric generation piece and a second heat dissipation piece, the thermoelectric generation piece is provided with a cold end and a hot end, the cold end of the thermoelectric generation piece is connected to the second heat dissipation piece, the hot end of the thermoelectric generation piece is tightly attached to the stove panel below the burner, and the thermoelectric generation system is electrically connected with the air power system.
In this scheme, adopt above-mentioned structural style for the cold junction and the hot junction of thermoelectric generation piece have the temperature difference, thereby output current and voltage make thermoelectric generation system provide the electric energy for aerodynamic system's operation.
Preferably, the second heat dissipation element includes a second base plate and a plurality of second fins connected to the second base plate and arranged at intervals along a circumferential direction of the second base plate, a top of the second base plate is connected to the thermoelectric generation element, and the second base plate is annularly arranged between a base of the burner and the air duct system.
In this scheme, adopt above-mentioned structural style in order to increase the surface area of second radiating element, and then improve the radiating effect of second radiating element. Meanwhile, the temperature difference between the hot end and the cold end of the thermoelectric generation piece is increased, so that the current and the voltage obtained on the thermoelectric generation piece are larger, and sufficient electric energy is provided for an air power system.
Preferably, two be provided with first radiating piece on the cooking utensils panel of the below of combustor, first radiating piece to draw the air inlet of penetrating the pipe to extend, first radiating piece connect in the second base plate or thermoelectric generation piece.
In this scheme, adopt above-mentioned structural style for when first radiating part penetrated the air to gas and heats, the heat on first radiating part surface was penetrated the air by the gas and is taken away, and then makes the difference in temperature between cold junction and the hot junction of thermoelectric generation piece very big, thereby makes thermoelectric generation piece obtain more electric current and voltage.
A kitchen range is characterized by comprising the waste heat utilization device.
In this scheme, use like above waste heat utilization equipment in cooking utensils, not only can reduce the surperficial temperature of cooking utensils, improve the travelling comfort that the customer used, also can improve the thermal efficiency of combustor simultaneously, and then the energy saving.
On the basis of the common knowledge in the field, the above preferred conditions can be combined randomly to obtain the preferred embodiments of the invention.
The positive progress effects of the invention are as follows: according to the waste heat utilization device and the stove comprising the same, the waste heat utilization device not only can cool the stove panel below the burner, but also can preheat fuel gas, and simultaneously, preheated primary air is supplemented into the injection pipe to participate in combustion, so that the surface temperature of the stove panel is reduced, the use comfort of customers is improved, the combustion efficiency of the burner is improved, and further energy is saved.
Drawings
Fig. 1 is a schematic structural view of a waste heat utilization device according to a preferred embodiment of the present invention after being connected to a kitchen range panel.
Fig. 2 is a schematic structural diagram of the waste heat utilization device according to the preferred embodiment of the present invention after being connected to a chassis.
Fig. 3 is a schematic structural diagram of a waste heat utilization device according to a preferred embodiment of the invention.
Fig. 4 is a schematic structural diagram of a first heat dissipation pipe in the waste heat utilization device according to the preferred embodiment of the invention.
Fig. 5 is a schematic structural diagram of a second heat dissipation pipe in the waste heat utilization device according to the preferred embodiment of the invention.
Fig. 6 is a schematic structural view illustrating a connection between a first heat dissipating member and a second heat dissipating member in the waste heat utilization device according to the preferred embodiment of the present invention.
Fig. 7 is a schematic structural diagram of a thermoelectric generation sheet in a thermoelectric generation system in a waste heat utilization device according to a preferred embodiment of the present invention.
Description of reference numerals:
First heat dissipation pipe 101
Second heat dissipation pipe 103
Thermoelectric power generation system 30
Thermoelectric power generation piece 301
Second heat sink 303
Detailed Description
The present invention will be more clearly and completely described below by way of examples and with reference to the accompanying drawings, but the present invention is not limited thereto.
As shown in fig. 1 to 7, the present embodiment provides a waste heat utilization device, which is used for utilizing waste heat of a stove, wherein the stove includes at least two burners. The waste heat utilization device comprises an air duct system 10 and an aerodynamic system 20 for providing kinetic energy to the air duct system 10 and to the primary air entering into the chassis 70 of the hob. The air pipeline system 10 comprises a first heat dissipation pipeline 101, a heat exchange pipeline 102 and a second heat dissipation pipeline 103 which are sequentially connected end to end and communicated, the first heat dissipation pipeline 101 is tightly attached to a cooker panel 50 below one burner, the heat exchange pipeline 102 is wound on a fuel gas pipeline 90 of the cooker, the second heat dissipation pipeline 103 is tightly attached to the cooker panel 50 below the other burner, and an air outlet 1032 at the tail end 1031 of the second heat dissipation pipeline 103 is positioned between the ejector pipes 60 of the two burners; the aerodynamic system 20 communicates with the air inlet 1011 of the first heat dissipation duct 101.
The first heat dissipation pipe 101 adopts the above structure, because the temperature on the cooker panel 50 below the burner is relatively high, the first heat dissipation pipe 101 is tightly attached to the cooker panel 50 below one burner for absorbing the heat on the cooker panel 50 to cool the cooker panel 50. While the air in the first heat dissipation duct 101 absorbs heat on the cooktop panel 50, the air flowing through the first heat dissipation duct 101 is heated.
Winding heat exchange pipe 102 on gas pipeline 90, owing to the temperature of the air that flows to heat exchange pipe 102 in from first heat dissipation pipeline 101 is higher than the temperature of the gas in gas pipeline 90 for gas pipeline 90 absorbs the heat on the heat exchange pipe 102, and then preheats the gas in gas pipeline 90, consequently sprays to drawing the gas that penetrates in the pipe 60 and is the gas through preheating.
The air entering the second heat dissipation pipe 103 is air cooled by the gas pipe 90, at this time, the second heat dissipation pipe 103 absorbs heat on the cooktop panel 50 below another burner to cool the cooktop panel 50, and meanwhile, the air in the second heat dissipation pipe 103 is preheated by the cooktop panel 50, so that the air sprayed from the tail end 1031 of the second heat dissipation pipe 103 is also preheated air. The air outlet 1032 at the end 1031 of the second heat dissipation duct 103 is provided between the ejector pipes 60 of the two burners so that the primary air entering the ejector pipes 60 is preheated. The aerodynamic system 20 is in communication with the air inlet 1011 of the first heat dissipation duct 101 to power the flow of air within the air duct system 10.
By adopting the structure, preheated primary air flowing out of the air outlet 1032 of the second heat dissipation pipeline 103 enters the injection pipe 60 at a certain speed, is fully mixed with preheated fuel gas and enters the combustor for combustion, the injection capacity of the injection pipe 60 is greatly enhanced, and the primary air and the fuel gas are preheated in advance, so that the heat efficiency of the combustor can be greatly improved.
It should be noted that the arrangement of the first heat dissipation pipe 101 and the second heat dissipation pipe 103 is not limited, a plurality of pipes which are arranged side by side and are communicated with each other may be connected together to form a group of pipes, a plurality of groups of pipes are closely arranged on the stove panel 50 below the burner, and other forms may be adopted. In the present embodiment, the first and second heat dissipation pipes 101 and 103 are respectively annularly provided outside the bases 40 of the two burners. The first heat dissipation pipe 101 and the second heat dissipation pipe 103 are members formed by surrounding a pipe for a plurality of times, and the plurality of times of pipes are concentrically arranged at intervals. The structural form is adopted to increase the contact area of the first heat dissipation pipeline 101 and the second heat dissipation pipeline 103 and the cooker panel 50, so that the cooker panel 50 is cooled better, and air can be preheated better.
In this embodiment, the air outlet 1032 at the end 1031 of the second heat dissipation duct 103 is opposite to the air inlet of the ejector tube 60, so that the air exhausted from the second heat dissipation duct 103 can better enter the ejector tube 60 to be mixed with the fuel gas. The length of the air outlet 1032 arranged at the end 1031 of the second heat dissipation pipe 103 is not less than the distance between the two air inlets of the two ejector pipes 60 which are farthest away. The air outlet 1032 is not limited in structure, and may be a plurality of holes arranged at intervals, such holes may be circular holes, or may be holes having other shapes such as square, or may be a slit arranged along the length direction of the second heat dissipation duct 103. However, an air outlet 1032 is provided at both sides of the end 1031 of the second heat dissipation duct 103 opposite to the two ejector pipes 60. By adopting the structure, the opening area of the air outlet 1032 is larger, so that the preheated air sprayed from the second heat dissipation pipeline 103 is more, the primary air entering the injection pipe 60 can be fully supplemented, and the combustion efficiency of the combustor is improved.
In this embodiment, a first heat sink 302 is further disposed on the cooktop panel 50 below the two burners, and the first heat sink 302 extends toward the air inlet of the injection pipe 60. When first heat sink 302 dispels the heat to cooking utensils panel 50 of combustor below, the temperature of first heat sink 302 self can increase, and extends first heat sink 302 to the air entrance who draws tub 60 for the gas is drawn and is penetrated the air and before getting into the combustor, gets into the combustor through first heat sink 302 heating earlier, and then has improved the thermal efficiency of combustor.
Of course, the first heat dissipating element 302 may be any structure for dissipating heat, but such first heat dissipating element 302 can dissipate heat from the burner bottom cooktop panel 50 and convert the absorbed heat into a mixture of gas and air. That is, regardless of the structure of the first heat dissipating member 302, it must preheat the gas after injecting air. Preferably, the first heat dissipating element 302 includes a first base plate 3021 and a plurality of first ribs 3022 arranged at intervals, the first ribs 3022 are connected to the bottom of the first base plate 3021, the first base plate 3021 is connected to the cooktop panel 50, and one end of the first ribs 3022 in the length direction extends to exceed the air inlet of the ejector pipe 60. A plurality of first ribs 3022 are disposed on the first substrate 3021 at intervals to increase the surface area of the first heat dissipation member 302, so as to improve the heat dissipation effect of the first heat dissipation member 302. And the one end of the length direction of first fin 3022 extends to and surpasss the air inlet who draws and penetrate pipe 60, and the increase gas is drawn and is penetrated the area of contact of air and first radiator, and then makes the gas draw and penetrate the air and can be fully preheated by first radiator, and then improve the thermal efficiency of combustor.
In this embodiment, the waste heat utilization device further includes a thermoelectric generation system 30, the thermoelectric generation system 30 includes a thermoelectric generation sheet 301 and a second heat dissipation member 303, the thermoelectric generation sheet 301 has a cold end and a hot end, the cold end of the thermoelectric generation sheet 301 is connected to the second heat dissipation member 303, the hot end of the thermoelectric generation sheet 301 is tightly attached to the stove panel 50 below the burner, and the thermoelectric generation system 30 is electrically connected to the air power system 20. By adopting the structure, the cold end and the hot end of the thermoelectric generation piece 301 have temperature difference, so that current and voltage are output, and the thermoelectric generation system 30 provides electric energy for the operation of the air power system 20.
Further, the second heat sink 303 includes a second base plate 3031 and a plurality of second ribs 3032 connected to the second base plate 3031 and arranged at intervals in a circumferential direction of the second base plate 3031, a top portion of the second base plate 3031 is connected to the thermoelectric generation element 301, and the second base plate 3031 is annularly arranged between the base 40 of the burner and the air duct system 10. This structure is adopted to increase the surface area of the second heat dissipation member 303, thereby improving the heat dissipation effect of the second heat dissipation member 303. Meanwhile, the temperature difference between the hot end and the cold end of the thermoelectric generation piece 301 is increased, so that the current and the voltage obtained on the thermoelectric generation piece 301 are larger, and sufficient electric energy is provided for the aerodynamic system 20.
In this embodiment, the first substrate 3021 and the second substrate 3031 are integrated into a whole and have an annular sheet structure, a top surface of the annular sheet structure is attached to the thermoelectric generation sheet 301, a part of a fan ring on the bottom surface is connected with the first ribs 3022 at intervals, the first ribs 3022 surround a fan ring shape and surround the outer diameter of the base 40 of the burner of the cooking appliance, the second ribs 3032 are connected to a position opposite to the injection pipe 60 on the annular sheet structure, and as shown in fig. 1 and 3, one end of the second ribs 3032 in the length direction extends out of the air inlet of the injection pipe 60. By adopting the arrangement, when the first heat dissipation piece 302 heats the gas injection air, the heat on the surface of the first heat dissipation piece 302 is taken away by the gas injection air, so that the temperature difference between the cold end and the hot end of the thermoelectric generation piece 301 is large, and the thermoelectric generation piece 301 obtains more current and voltage.
Wherein the aerodynamic system 20 comprises a plurality of fans attached to the side walls or bottom of the cooktop chassis 70. The aerodynamic system 20 is simple in structure with a fan, and can provide kinetic energy for the flow of air. The fan is arranged on the side wall or the bottom of the chassis 70 of the cooker, so that the negative pressure generated by combustion of primary air required by the cooker is sucked, and meanwhile, the kinetic energy generated by the fan can be utilized to accelerate the supplement of external air, and sufficient primary air is provided for the combustion of the combustor, and further, the combustion efficiency of the combustor is improved.
It should be noted that the number of the fans is not limited, and in this embodiment, 4 fans are disposed on the side wall of the chassis 70, one of the fans is connected to the air inlet 1011 of the first heat dissipation pipe 101, another fan is disposed at a position opposite to the battery box 80 on the chassis 70, and the other two fans are disposed at two sides of the other burner and face the thermoelectric generation system 30. The fan connected to the air inlet 1011 of the first heat dissipation pipe 101 is used for providing kinetic energy for the air entering the first heat dissipation pipe 101, so that more air can enter the first heat dissipation pipe 101, and the air flow rate entering the first heat dissipation pipe 101 is faster, thereby improving the heat dissipation efficiency of the first heat dissipation pipe 101 and the second heat dissipation pipe 103, and improving the gas preheating efficiency. The fan is arranged at the position of the battery box 80, the temperature of the battery can be effectively reduced, the service life of the battery in the battery box 80 is prolonged, and meanwhile, primary air is preheated by the battery box 80 to improve the combustion heat efficiency. The fans are arranged on two sides of the other combustor, so that air blown in by the fans has certain kinetic energy, the part of the kinetic energy can accelerate the mixing of the air and the fuel gas, the mixing is more sufficient, the part of the kinetic energy can be converted into certain heat energy during combustion, and the combustion efficiency can be improved. Design into two fans and be just facing thermoelectric generation system 30, on the one hand two radiating pieces can heat primary air, improve combustion efficiency, and on the other hand, the cold air that comes in can reduce the temperature of two radiating pieces to reduce the temperature of thermoelectric generation piece 301 cold junction with improvement generating efficiency.
Of course, the fan may be disposed at other desired locations, and the fan may be designed at different locations, such as around a knob or the like, to reduce the temperature of different parts in the chassis 70 to meet the customer's needs.
In the waste heat utilization device provided by the embodiment, the electric quantity required by the aerodynamic system 20 is completely converted by the energy of combustion heat dissipation, and no additional energy is required to be provided. By adopting the waste heat utilization device, the energy utilization rate and the combustion heat efficiency can be improved, and the temperatures of the panel, the battery and the like are reduced, so that the cooker is safer and more reliable, the experience of a user is improved, and the energy can be saved.
A cooking utensil comprises the waste heat utilization device. The waste heat utilization device is used in the stove, so that the temperature on the surface of the stove can be reduced, the comfort of customers is improved, the heat efficiency of the combustor can be improved, and the energy is saved.
While specific embodiments of the invention have been described above, it will be appreciated by those skilled in the art that this is by way of example only, and that the scope of the invention is defined by the appended claims. Various changes and modifications to these embodiments may be made by those skilled in the art without departing from the spirit and scope of the invention, and these changes and modifications are within the scope of the invention.
Claims (12)
1. A waste heat utilization device for utilizing waste heat of a kitchen range, the kitchen range comprises at least two burners, and the waste heat utilization device is characterized by comprising:
the air pipeline system comprises a first heat dissipation pipeline, a heat exchange pipeline and a second heat dissipation pipeline which are sequentially connected end to end and communicated, the first heat dissipation pipeline is tightly attached to a stove panel below one burner, the heat exchange pipeline is wound on a gas pipeline of a stove, the second heat dissipation pipeline is tightly attached to the stove panel below the other burner, an air outlet is formed in the tail end of the second heat dissipation pipeline, and the air outlet is located between the ejector pipes of the two burners;
and the air power system is communicated with the air inlet of the first heat dissipation pipeline.
2. The waste heat utilization device as claimed in claim 1, wherein the air outlet is opposite to the air inlet of the ejector tube.
3. The waste heat utilization device according to claim 2, wherein the length of the air outlet arranged at the tail end of the second heat dissipation pipe is not less than the distance between the two air inlets which are farthest away on the two ejector pipes.
4. The waste heat utilization device according to claim 1, wherein a first heat dissipation member is further disposed on the cooker panel below the two burners, and the first heat dissipation member extends in a direction of the air inlet of the injection pipe.
5. The waste heat utilization device of claim 4, wherein the first heat dissipation element includes a first base plate and a plurality of first fins arranged at intervals, the first fins are connected to the bottom of the first base plate, the first base plate is connected to the cooking utensil panel, and one end of the first fins in the length direction extends to exceed the air inlet of the injection pipe.
6. The waste heat utilization device as claimed in claim 1, wherein the first heat dissipation pipe and the second heat dissipation pipe are respectively disposed around the exterior of the bases of the two burners.
7. The waste heat utilization device as claimed in any one of claims 1 to 6, wherein the aerodynamic system comprises a plurality of fans attached to a side wall or a bottom of a chassis of the hob.
8. The waste heat utilization device as claimed in claim 7, wherein a battery compartment on the chassis faces one of the fans.
9. The waste heat utilization device according to any one of claims 1 to 6, further comprising a thermoelectric generation system, wherein the thermoelectric generation system comprises a thermoelectric generation sheet and a second heat dissipation member, the thermoelectric generation sheet has a cold end and a hot end, the cold end of the thermoelectric generation sheet is connected to the second heat dissipation member, the hot end of the thermoelectric generation sheet is tightly attached to the cooker panel below the burner, and the thermoelectric generation system is electrically connected to the aerodynamic system.
10. The waste heat utilization device according to claim 9, wherein the second heat dissipation member includes a second base plate and a plurality of second fins connected to the second base plate and arranged at intervals in a circumferential direction of the second base plate, a top portion of the second base plate is connected to the thermoelectric generation element, and the second base plate is arranged to surround between a base of the burner and the air duct system.
11. The waste heat utilization device according to claim 10, wherein a first heat dissipation member is disposed on the cooker panel below the two burners, the first heat dissipation member extends toward the air inlet of the injection pipe, and the first heat dissipation member is connected to the second base plate or the thermoelectric generation sheet.
12. Kitchen range, characterized in that it comprises a waste heat utilization device according to any of claims 1-11.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010850566.9A CN114076325A (en) | 2020-08-21 | 2020-08-21 | Waste heat utilization device and stove comprising same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010850566.9A CN114076325A (en) | 2020-08-21 | 2020-08-21 | Waste heat utilization device and stove comprising same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114076325A true CN114076325A (en) | 2022-02-22 |
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| CN202010850566.9A Pending CN114076325A (en) | 2020-08-21 | 2020-08-21 | Waste heat utilization device and stove comprising same |
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Application publication date: 20220222 |
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