CN112984566A - Energy-saving big cooking stove - Google Patents
Energy-saving big cooking stove Download PDFInfo
- Publication number
- CN112984566A CN112984566A CN202110245768.5A CN202110245768A CN112984566A CN 112984566 A CN112984566 A CN 112984566A CN 202110245768 A CN202110245768 A CN 202110245768A CN 112984566 A CN112984566 A CN 112984566A
- Authority
- CN
- China
- Prior art keywords
- flue gas
- guide pipe
- combustion chamber
- power generation
- energy
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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Classifications
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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
- F23D14/46—Details, e.g. noise reduction means
- F23D14/62—Mixing devices; Mixing tubes
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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
- F24—HEATING; RANGES; VENTILATING
- F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
- F24C15/00—Details
-
- 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
- F24C15/001—Details arrangements for discharging combustion gases
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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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B40/00—Technologies aiming at improving the efficiency of home appliances, e.g. induction cooking or efficient technologies for refrigerators, freezers or dish washers
Abstract
The invention provides an energy-saving large stove which can utilize the waste heat of flue gas generated by combustion of a gas stove and improve the heat utilization efficiency, and relates to the technical field of gas stoves. An energy-saving large cooking stove comprises a cooking bench, a semiconductor temperature difference power generation device, a fan, a flue gas guide pipe and an air guide pipe; the cooking bench is provided with a combustion chamber and a smoke heating chamber, the combustion chamber is used for heating a pot, a combustor is arranged in the combustion chamber, the combustion chamber is provided with a smoke outlet, and the smoke heating chamber is provided with a smoke outlet channel; one end of the flue gas duct is communicated with the flue gas outlet, the other end of the flue gas duct is communicated with the flue gas heating chamber, and the flue gas duct is spirally wound on the periphery of the combustion chamber to form a heat insulation structure for wrapping the combustion chamber. The invention improves the heat utilization efficiency and the cooking efficiency of the cooking stove.
Description
Technical Field
The invention relates to the technical field of gas stoves, in particular to an energy-saving large stove.
Background
The catering industry generally adopts big pot and stove of gas, and its combustion method adopts traditional malleation open combustion mode, makes the high temperature flue gas that produces after the burning directly discharge into the surrounding environment among the gas combustion process, leads to the heat that the gas burning produced only a small part to be utilized by the pan, and heat utilization efficiency is extremely low, and the thermal efficiency is only less than 45%, and this causes a large amount of wasting of resources.
The semiconductor temperature difference power generation device mainly comprises a semiconductor power generation sheet, a storage battery and a charging controller, and is a device for converting temperature difference energy (heat energy) into electric energy, and a large amount of waste heat in a large amount of high-temperature gas generated by a large cooking stove is available for utilization.
Disclosure of Invention
The invention aims to solve the technical problem of providing an energy-saving large cooking stove which can utilize the waste heat of flue gas generated by combustion of a gas stove and improve the heat utilization efficiency.
The technical scheme adopted by the invention for solving the technical problems is as follows: an energy-saving large cooking stove comprises a cooking bench, a semiconductor temperature difference power generation device, a fan, a flue gas guide pipe and an air guide pipe; the cooking bench is provided with a combustion chamber and a smoke heating chamber, the combustion chamber is used for heating a pot, a combustor is arranged in the combustion chamber, the combustion chamber is provided with a smoke outlet, and the smoke heating chamber is provided with a smoke outlet channel;
one end of the flue gas guide pipe is communicated with the flue gas outlet, the other end of the flue gas guide pipe is communicated with the flue gas heating chamber, and the flue gas guide pipe is spirally wound on the periphery of the combustion chamber to form a heat insulation structure for wrapping the combustion chamber;
the air guide pipe is spirally wound on the periphery of a heat insulation structure formed by the flue gas guide pipe, one end of the air guide pipe is connected with the fan, and the other end of the air guide pipe is communicated with the combustor through a gas mixer;
the semiconductor temperature difference power generation device comprises a semiconductor power generation piece, a storage battery and a charging controller, wherein the semiconductor power generation piece is arranged between the smoke guide pipe and the air guide pipe, one end of the semiconductor power generation piece is connected with the smoke guide pipe, and the other end of the semiconductor power generation piece is connected with the air guide pipe; the semiconductor power generation piece is electrically connected with the storage battery through the charging controller so as to charge the storage battery, and the storage battery is electrically connected with the fan.
Furthermore, the other end of the semiconductor power generation piece extends into the air guide pipe, and a radiating fin is arranged on the end face of one end, extending into the air guide pipe, of the semiconductor power generation piece.
Further, the combustion chamber circumferential direction, the combustion chamber is equallyd divide into a plurality of flame guide chamber by the baffle, the exhanst gas outlet with flame guide chamber one-to-one sets up.
Furthermore, the flue gas guide pipes are connected with the flue gas outlets in a one-to-one correspondence manner.
Further, the flue gas guide pipe is a copper pipe.
Further, the fan, the storage battery and the charging controller are all embedded in the cooking bench.
Furthermore, a filter screen is arranged in the smoke outlet channel.
The invention has the beneficial effects that: according to the energy-saving large cooking stove, the flue gas guide pipe, the flue gas heating chamber and the semiconductor temperature difference power generation device are arranged, so that high-temperature flue gas waste heat generated by combustion is repeatedly utilized, and the heat utilization efficiency of the cooking stove is improved;
the smoke guide pipe is arranged around the periphery of the combustion chamber, and the air guide pipe and the burner are arranged, so that the flame temperature in the combustion chamber and the temperature of a pot on the combustion chamber are higher, the temperature rise of the pot is faster, and the dish frying efficiency of the pot can be improved.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a top view of FIG. 1;
FIG. 3 is a schematic view of the arrangement of the semiconductor power generating chip when one end of the semiconductor power generating chip extends into the air duct;
shown in the figure: the kitchen range comprises a cooking bench 1, a fan 2, a pot 4, a combustion chamber 11, a flue gas guide pipe 12, an air guide pipe 13, a gas mixer 14, a combustor 15, a flue gas heating chamber 16, a gas pipe 17, a semiconductor power generation sheet 31, a charging controller 32, a storage battery 33, a flue gas outlet 111, a smoke outlet channel 161 and a filter screen 162.
Detailed Description
The invention is further illustrated with reference to the following figures and examples.
As shown in fig. 1 and 2, the energy-saving large cooking stove of the invention comprises a cooking bench 1, a semiconductor temperature difference power generation device, a fan 2, a flue gas duct 12 and an air duct 13; cooking bench 1 is equipped with combustion chamber 11 and the flue gas heating chamber 16 that is used for heating the pan, be equipped with combustor 15 in the combustion chamber 11, combustion chamber 11 is equipped with exhanst gas outlet 111, flue gas heating chamber 16 is equipped with out cigarette passageway 161. One end of the flue gas duct 12 is communicated with the flue gas outlet 111, the other end of the flue gas duct is communicated with the flue gas heating chamber 16, and the flue gas duct 12 is spirally wound on the periphery of the combustion chamber 11 to form a heat insulation structure for wrapping the combustion chamber 11; the air guide pipe 13 is spirally wound on the periphery of a heat insulation structure formed by the flue gas guide pipe 12, one end of the air guide pipe 13 is connected with the fan 2, and the other end of the air guide pipe is communicated with the combustor 15 through a gas mixer 14; the semiconductor temperature difference power generation device comprises a semiconductor power generation piece 31, a storage battery 33 and a charging controller 32, wherein the semiconductor power generation piece 31 is arranged between the flue gas guide pipe 12 and the air guide pipe 13, one end of the semiconductor power generation piece is connected with the flue gas guide pipe 12, and the other end of the semiconductor power generation piece is connected with the air guide pipe 13; the semiconductor power generation chip 31 is electrically connected with the storage battery 33 through the charge controller 32 to charge the storage battery 33, and the storage battery 33 is electrically connected with the fan 2.
The fan 2, the storage battery 33 and the charging controller 32 can be directly arranged on the cooking bench 1, and in order to reduce the occupied space, the fan 2, the storage battery 33 and the charging controller 32 are all embedded in the cooking bench 1.
When the big cooking stove is used, the storage battery 33 supplies power to the fan 2, the fan 2 is started, the fan 2 sends cold air in the environment into the air guide pipe 13, the cold air is mixed with gas through the gas mixer 14 and then is led into the combustor 15, the combustor 15 is started, and the gas is combusted in the combustion chamber 11. A part of heat generated by gas combustion is transferred to the pot 4 on the combustion chamber 11, and a part of heat is taken away by high-temperature flue gas, the high-temperature flue gas is discharged through the flue gas outlet 111 and then enters the flue gas duct 12, and then is discharged through the flue gas duct 12 to the flue gas heating chamber 16, the pot 4 on the flue gas heating chamber 16 is heated by using flue gas waste heat, and finally is discharged from the smoke outlet channel 161. High temperature flue gas can make flue gas pipe 12 heat up when passing through flue gas pipe 12, and flue gas pipe 12 is the spiral and winds and establish 11 peripheries of combustion chamber form the insulation construction with 11 parcels of combustion chamber, so can reduce 11 outside heat dissipations of combustion chamber, can make the temperature of the pan on temperature in the combustion chamber and the combustion chamber rise faster, and rise to higher temperature. One end of the semiconductor power generation sheet 31 is connected with the flue gas guide pipe 12, and the flue gas guide pipe 12 can transfer heat to one end of the semiconductor power generation sheet 31 after being heated, so that temperature difference exists between two ends of the semiconductor power generation sheet 31, power is generated, and the generated electric energy is stored in the storage battery 33 through the charging controller 32. The other end of the semiconductor power generation sheet 31 is heated in the power generation process, and the other end of the semiconductor power generation sheet 31 is connected with the air conduit 13, so that the other end of the semiconductor power generation sheet 31 can be cooled by cold air flowing into the air conduit 13, and the power generation efficiency of the semiconductor power generation sheet 31 is ensured. The cold air in the air conduit 13 absorbs heat and then rises to become hot air, and the hot air is introduced into the burner 15, so that the temperature of burning flame is higher, and the temperature of the cookware is higher. This big boiler utilizes the waste heat in the high temperature flue gas that the burning produced many times through above-mentioned mode, has improved the heat utilization efficiency of big boiler.
One end of the semiconductor power generation sheet can be connected with the flue gas duct 12 in a bonding mode, and the other end of the semiconductor power generation sheet can also be connected with the air duct 13 in a bonding mode. In the present invention, the other end of the semiconductor power generating chip 31 extends into the air duct 13, a sealant is disposed between the semiconductor power generating chip and the air duct 13 to prevent air leakage, and a heat sink 311 is disposed on the end surface of the semiconductor power generating chip 31 extending into the air duct 13. Thus, the heat dissipation area of the semiconductor power generation chip 31 can be increased, and the heat dissipation efficiency can be improved. It will be appreciated that the fins 311 should extend in a direction as far as possible in line with the direction of airflow within the air duct 13.
The exhanst gas outlet 111 can be one or more, for the air current influence of high temperature flue gas when one, flame can be partial to one side of exhanst gas outlet, leads to pan 4 to be heated unevenly, and this also can influence heat utilization efficiency and fried dish efficiency. In order to change the above situation, preferably, in the circumferential direction of the combustion chamber 11, the combustion chamber 11 is divided into a plurality of flame guiding cavities 113 by the partition plate 112, one end of the partition plate 112 is connected with the inner wall of the combustion chamber 11, the other end is connected with the outer wall of the pot as much as possible, and each flame guiding cavity 113 is provided with a smoke outlet, i.e. the smoke outlets 111 and the flame guiding cavities 113 are arranged in one-to-one correspondence. So, can draw high temperature flue gas around the pan for the pan is heated more evenly, and the heat utilization efficiency is higher. In the invention, the number of the flame guide cavities 113 (flue gas outlets 111) is 3. In other embodiments, the flame guiding chamber 113 (flue gas outlet 111) is 4, 5 … ….
When the number of the smoke outlets 111 is plural, if the smoke outlets 111 are connected in parallel to one smoke guide 12, the air flows from the smoke outlets 111 into the smoke guide 12 may affect each other, and there may be a large smoke resistance of part of the smoke outlets, which may also affect the distribution of the flame around the pot. In the invention, the flue gas guide pipes 12 are correspondingly connected with the flue gas outlets 111 one by one, namely the number of the flue gas guide pipes 12 is the same as that of the flue gas outlets 111, and each flue gas guide pipe 12 is only connected with one flue gas outlet 111, so that the air flows introduced into the flue gas guide pipes 12 from the flue gas outlets 111 can be prevented from being influenced mutually.
In order to increase the heat transfer efficiency, the flue gas duct 12 of the present invention is preferably a copper pipe having a high heat conductivity. In some embodiments, the flue gas duct 12 is an iron pipe.
In order to prevent dust pollution, a filter screen 162 is disposed in the smoke outlet channel 161 of the present invention.
Claims (7)
1. An energy-saving big pot and stove is characterized in that: comprises a cooking bench (1), a semiconductor temperature difference power generation device, a fan (2), a flue gas guide pipe (12) and an air guide pipe (13); the cooking bench (1) is provided with a combustion chamber (11) and a smoke heating chamber (16) which are used for heating cookware, a burner (15) is arranged in the combustion chamber (11), the combustion chamber (11) is provided with a smoke outlet (111), and the smoke heating chamber (16) is provided with a smoke outlet channel (161);
one end of the flue gas guide pipe (12) is communicated with the flue gas outlet (111), the other end of the flue gas guide pipe is communicated with the flue gas heating chamber (16), and the flue gas guide pipe (12) is spirally wound on the periphery of the combustion chamber (11) to form a heat insulation structure for wrapping the combustion chamber (11);
the air guide pipe (13) is spirally wound on the periphery of a heat insulation structure formed by the flue gas guide pipe (12), one end of the air guide pipe (13) is connected with the fan (2), and the other end of the air guide pipe is communicated with the combustor (15) through a gas mixer (14);
the semiconductor temperature difference power generation device comprises a semiconductor power generation sheet (31), a storage battery (33) and a charging controller (32), wherein the semiconductor power generation sheet (31) is arranged between the flue gas guide pipe (12) and the air guide pipe (13), one end of the semiconductor power generation sheet is connected with the flue gas guide pipe (12), and the other end of the semiconductor power generation sheet is connected with the air guide pipe (13); the semiconductor power generation sheet (31) is electrically connected with the storage battery (33) through the charging controller (32) so as to charge the storage battery (33), and the storage battery (33) is electrically connected with the fan (2).
2. The energy-saving large range as claimed in claim 1, wherein: the other end of the semiconductor power generation sheet (31) extends into the air guide pipe (13), and a radiating fin (311) is arranged on the end face of one end, extending into the air guide pipe (13), of the semiconductor power generation sheet (31).
3. The energy-saving large range as claimed in claim 1, wherein: combustion chamber (11) circumferential direction, combustion chamber (11) are equallyd divide into a plurality of flame and guide chamber (113) by baffle (112), flue gas outlet (111) with flame guides chamber (113) one-to-one and sets up.
4. An energy-saving large range as claimed in claim 3, wherein: the flue gas guide pipes (12) are connected with the flue gas outlets (111) in a one-to-one correspondence manner.
5. The energy-saving large range as claimed in claim 1, wherein: the flue gas guide pipe (12) is a copper pipe.
6. The energy-saving large range as claimed in claim 1, wherein: the fan (2), the storage battery (33) and the charging controller (32) are all embedded in the cooking bench (1).
7. The energy-saving large range as claimed in claim 1, wherein: a filter screen (162) is arranged in the smoke outlet channel (161).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110245768.5A CN112984566B (en) | 2021-03-05 | 2021-03-05 | Energy-saving large cooking stove |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110245768.5A CN112984566B (en) | 2021-03-05 | 2021-03-05 | Energy-saving large cooking stove |
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| CN112984566A true CN112984566A (en) | 2021-06-18 |
| CN112984566B CN112984566B (en) | 2022-12-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110245768.5A Active CN112984566B (en) | 2021-03-05 | 2021-03-05 | Energy-saving large cooking stove |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108105806A (en) * | 2018-02-06 | 2018-06-01 | 常熟虞通光电科技有限公司 | A kind of energy-saving cooking stove |
| CN210051192U (en) * | 2019-05-09 | 2020-02-11 | 韶关正邦农牧科技有限公司 | Boiler heat recycling device |
| CN211011486U (en) * | 2019-08-20 | 2020-07-14 | 翟剑锋 | Energy-saving combustion device |
| CN111854156A (en) * | 2020-08-24 | 2020-10-30 | 榆林碳氢研究院股份有限公司 | Wall-mounted small-sized direct-current boiler using methanol fuel |
-
2021
- 2021-03-05 CN CN202110245768.5A patent/CN112984566B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1064544A (en) * | 1991-06-11 | 1992-09-16 | 杨福九 | Waste heat cycling method |
| CN202066023U (en) * | 2011-05-25 | 2011-12-07 | 广东万方意高能源设备有限公司 | Pre-heated combustor with spiral pipe heat exchanger |
| CN102679422A (en) * | 2012-05-30 | 2012-09-19 | 天津大学 | Novel cooker lining for increasing comprehensive utilization efficiency of gas |
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|---|---|
| CN112984566B (en) | 2022-12-16 |
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