CN101846337A - Frying oven - Google Patents

Frying oven Download PDF

Info

Publication number
CN101846337A
CN101846337A CN200910106184A CN200910106184A CN101846337A CN 101846337 A CN101846337 A CN 101846337A CN 200910106184 A CN200910106184 A CN 200910106184A CN 200910106184 A CN200910106184 A CN 200910106184A CN 101846337 A CN101846337 A CN 101846337A
Authority
CN
China
Prior art keywords
pan
stir
frying pan
distance
fry stove
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.)
Pending
Application number
CN200910106184A
Other languages
Chinese (zh)
Inventor
林光湧
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to CN200910106184A priority Critical patent/CN101846337A/en
Priority to PCT/CN2010/071297 priority patent/WO2010108442A1/en
Publication of CN101846337A publication Critical patent/CN101846337A/en
Pending legal-status Critical Current

Links

Images

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24CDOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
    • F24C13/00Stoves or ranges with additional provisions for heating water
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24CDOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
    • F24C15/00Details
    • F24C15/10Tops, e.g. hot plates; Rings

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Frying-Pans Or Fryers (AREA)
  • Cookers (AREA)
  • Commercial Cooking Devices (AREA)

Abstract

The invention discloses a frying oven which comprises an oven body and a frying pan. A burning device is arranged in the oven body; and a fire retardant device is arranged between the oven body and the frying pan and is used for enabling energy generated during the burning of the burning device to be sufficiently absorbed by the frying pan. By adopting the structure, heat energy generated by the burning can be absorbed sufficiently by the frying pan, thereby the heat efficiency is improved to be more than 50% and energy is saved. In addition, a heat energy exchanger which can absorb waste gas discharged by the fire retardant device is arranged in the oven body and can heat cold water into hot water, thereby energy is fully used, discharged waste gas is cooled to be 50-60 DEG C, and an operation environment is enabled to be more comfortable, hot water is provided, and the frying speed is improved.

Description

Fry stove
Technical field
The present invention relates to a kind of stove and accessory, more particularly, relate to a kind of environmental protection and energy saving that improve heat utilization and fry stove.
Background technology
The stir-fry stove of prior art sees that Fig. 1 is to shown in Figure 3, it generally is direct placement frying pan 220 on fry stove 210, the flame that burner 212 burnings produce upwards arrives the bottom of frying pan 220, and the hot gas of the flame that burner 212 burnings produce is just directly discharged the external world along passage 211.Such structure makes that the heat energy that has in the hot gas is not utilized, and the thermal efficiency of original stir-fry stove is 16% to 20%, and noise is excessive, EGT is too high, caused the waste of the energy, and caused the environment for use of high temperature, made and fry furnace operating person such as cook's discomfort.
Summary of the invention
The technical problem to be solved in the present invention is, do not make full use of the defective of the energy that burning produces at the above-mentioned stir-fry stove of prior art, provides a kind of and can make full use of the energy-producing stir-fry stove of burning.
The technical solution adopted for the present invention to solve the technical problems is: construct a kind of stir-fry stove, comprise body of heater and frying pan, be provided with burner in the described body of heater, it is characterized in that being provided with the energy that described burner burning is produced between described body of heater and the described frying pan is the fire retardant device that described frying pan fully absorbs.
In stir-fry stove of the present invention, described fire retardant device comprises back-fire relief ring and back-fire relief spare, and the pot limit of the inwall of described back-fire relief ring and described frying pan fits, and the inner surface of described back-fire relief spare surrounds described frying pan bottom surface and is parallel to each other.
In stir-fry stove of the present invention, described fire retardant device comprises back-fire relief ring and back-fire relief spare, and the pot limit of the inwall of described back-fire relief ring and described frying pan fits, and described back-fire relief ring and described back-fire relief spare connection are provided with floss hole.The inner surface of described back-fire relief spare surrounds described whole frying pan bottom surface and is parallel to each other, and the distance of the inner surface of described back-fire relief spare and frying pan bottom surface is 1 to 18mm.
In stir-fry stove of the present invention, described frying pan comprises the bottom of a pan base surface area and the bottom of a pan surf zone that is connected with described the bottom of a pan base surface area, described back-fire relief spare comprises first plate, second plate and connects the connecting plate of described first plate, second plate, the inner surface of described first plate, second plate be respectively first inner surface that parallels with the bottom of a pan base surface area of described frying pan, with second inner surface that described the bottom of a pan surf zone parallels, the outside of described first inner surface, second inner surface evenly is provided with first through hole, second through hole of discharging flue gas respectively.
In stir-fry stove of the present invention, the distance of described second inner surface and described the bottom of a pan surf zone is 2 to 18mm, and the distance of described first inner surface and described the bottom of a pan base surface area is 2 to 8mm.
In stir-fry stove of the present invention, the distance of described second inner surface and described the bottom of a pan surf zone is 2 to 12mm, and the distance of described first inner surface and described the bottom of a pan base surface area is 2 to 6mm.
In stir-fry stove of the present invention, the distance of described second inner surface and described the bottom of a pan surf zone is 2 to 8mm, and the distance of described first inner surface and described the bottom of a pan base surface area is 2 to 4mm.
In stir-fry stove of the present invention, the distance of described second inner surface and described the bottom of a pan surf zone is 2mm or 4mm or 8mm, the distance of described first inner surface and described the bottom of a pan base surface area is 2mm or 3mm or 4mm, and described second plate is connected with the inner wall sealing of described body of heater.
In stir-fry stove of the present invention, described body of heater comprises the thermal energy converter that the waste heat of the flue gas that described fire retardant device is discharged absorbs, described thermal energy converter is connected with water inlet pipe and outlet pipe, the other end of described outlet pipe connects boiler, the other end of described water inlet pipe is connected with water tank, and the top of described water tank is connected with the control device of controlling cold water according to the cistern water level height automatically.
In stir-fry stove of the present invention, the water that the water inlet pipe of described water tank and described thermal energy converter is provided with described water tank pumps into described thermal energy converter with water pump, and the bottom of described boiler, water tank and top are provided with the conduit of connection.Described stir-fry stove front is provided with control igniting and flame-out touch switch.
Implement stir-fry stove of the present invention, have following beneficial effect:
Stir-fry stove of the present invention comprises body of heater and frying pan, comprises body of heater and frying pan, is provided with burner in the described body of heater, and being provided with the energy that described burner burning is produced between described body of heater and the described frying pan is the fire retardant device that described frying pan fully absorbs.The heat energy that such structure produces burning is enough fully to be absorbed by frying pan, improves more than the thermal efficiency to 50%, adds that the thermal efficiency of the interchanger of heat can make the whole thermal efficiency be increased to more than 70%, has saved the energy.
Further, be provided with the thermal energy converter that can absorb combustion gas in the fire retardant device in the body of heater the inside, can be heated to be hot water to cold water, saved the energy, and the EGT that makes discharge is reduced to 50 to 60 degree, make operating environment more comfortable, hot water also is provided, make that the speed of cooking is faster.
Description of drawings
The invention will be further described below in conjunction with drawings and Examples, in the accompanying drawing:
Fig. 1 is the perspective view that prior art is fried stove;
Fig. 2 is the Facad structure schematic diagram that prior art is fried stove;
Fig. 3 is the Q generalized section of Fig. 2;
Fig. 4 is the decomposing schematic representation that the present invention fries first embodiment of stove;
Fig. 5 is the schematic perspective view that the present invention fries first embodiment of stove;
Fig. 6 is the schematic perspective view of another angle of the present invention first embodiment of frying stove;
Fig. 7 is the schematic perspective view of another angle of the present invention first embodiment of frying stove;
Fig. 8 is the schematic perspective view of another angle of the present invention first embodiment of frying stove;
Fig. 9 is the front schematic view that the present invention fries first embodiment of stove;
Figure 10 is that schematic diagram is looked on the right side of Fig. 9;
Figure 11 is the C generalized section of Figure 10;
Figure 12 is the schematic rear view of Fig. 9;
Figure 13 is the schematic top plan view of Fig. 9;
Figure 14 is the A generalized section of Figure 10;
Figure 15 is the B generalized section of Figure 10;
Figure 16 is the front elevational schematic of back-fire relief spare of the present invention;
Figure 17 is the schematic top plan view of Figure 16;
Figure 18 is the D generalized section of Figure 16;
Figure 19 is the schematic perspective view of back-fire relief spare of the present invention;
Figure 20 is the front schematic view that frying pan of the present invention and back-fire relief spare, back-fire relief ring, body of heater are assembled together;
Figure 21 is the E generalized section of Figure 20,
Figure 22 is the front elevational schematic of another structure of back-fire relief spare of the present invention;
Figure 23 is the schematic top plan view of Figure 22;
Figure 24 is the schematic perspective view that back-fire relief spare and back-fire relief ring are made of one.
The specific embodiment
Shown in Fig. 4 to 23, in stir-fry stove first embodiment of the present invention, comprise body of heater and frying pan 20, described body of heater is provided with burner for 50 li, and being provided with the energy that described burner burning is produced between described body of heater 50 and the described frying pan 20 is the fire retardant device that described frying pan 20 fully absorbs.Burner is a burner 22, and burner 22 is selected the energy-efficient burner of Chinese patent application numbers 200810065335.6 for use.In the present embodiment, the end face of burner 2222 adds the ring block that the flame that produces of preventing to burn disperses.
Described fire retardant device comprises back-fire relief ring 30 and back-fire relief spare 90, and the pot limit of the inwall of described back-fire relief ring 30 and described frying pan 20 fits, and described back-fire relief ring 30 is provided with floss hole with described back-fire relief spare 90 connections.
The inner surface of described back-fire relief spare 90 surrounds described whole frying pan 20 bottom surfaces and is parallel to each other, the distance of the inner surface of described back-fire relief spare 90 and frying pan 20 bottom surfaces is that the inwall of 1 to 18mm. described back-fire relief ring 30 and the bottom surface of described frying pan 20 fit, and the inner surface of described back-fire relief spare 90 surrounds described frying pan 20 bottom surfaces and is parallel to each other.By shown in Fig. 4 to 12, body of heater 50 is that metal is made, its left side plate is two blocks of metal side's plates, at the side of being connected with, upper end of left side plate plate, the centre position of side's plate has a circular hole, is welded with an annular stop part 120 on the circular hole, is the vertical face of cylinder in the locating part 120, be with back-fire relief ring 30 in the face of cylinder of locating part 120, the inside of back-fire relief ring 30 comprises an arc surface 31 and middle circular hole.Arc surface 31 surrounds the bottom surface of frying pan 20, hot gas is reduced leak.The following fire retardant device 90 that connecting of back-fire relief ring 30, fire retardant device 90 is that a metallic plate bending forms, comprise first plate 92, second plate 91 and connect the connecting plate of described first plate 92, second plate 91, and the bottom surface of described frying pan 20 comprises the bottom of a pan base surface area and the bottom of a pan surf zone that is connected with described the bottom of a pan base surface area, wherein the bottom of a pan base surface area is the corresponding region in the ring block with burner 22 end faces, also is simultaneously the corresponding zone of first inner surface with described first plate 92; The bottom of a pan surf zone then is the corresponding zone of second inner surface with described second plate 91.In order to make back-fire relief effective, when designing, first inner surface of first plate 92 is paralleled with the bottom of a pan base surface area of described frying pan 20 with manufacturing, second inner surface of second plate 91 parallels with described the bottom of a pan surf zone.And evenly be provided with first through hole 910, second through hole 920 of discharging flue gas respectively in the outside of described first inner surface, second inner surface.First through hole 910 is normally made a series of square holes or the circular hole around whole burner 22, preferably makes circular hole.In like manner, second through hole 920 also is a series of square holes or the circular hole of making around whole burner 22, preferably makes circular hole.
As shown in Figure 24, back-fire relief ring 30 and back-fire relief spare 90 can be made of one, and have floss hole 500 on this.
Waste discharge gas also can be porose by offering on arc surface 31 in addition, and first through hole 910, second through hole 920 also can block up, and also can reach same effect.
Shown in Figure 22,23, for less frying pan 20, the inner surface 93 of fire retardant device can just be made of first plate 92, and does not need to use second plate 91 and the connecting plate.On inner surface 93, also be provided with steam vent 930.
In order to make back-fire relief effective, the distance of described second inner surface and described the bottom of a pan surf zone is 2 to 18mm, and the distance of described first inner surface and described the bottom of a pan base surface area is 2 to 8mm.The distance of other second inner surface and the bottom of a pan surf zone can also select 2 to 12mm, and the distance of described first inner surface and described the bottom of a pan base surface area can also select 2 to 6mm.The distance of described second inner surface and described the bottom of a pan surf zone is 2 to 8mm, and the distance of described first inner surface and described the bottom of a pan base surface area is 2 to 4mm.The distance of preferred described second inner surface and described the bottom of a pan surf zone is 2mm or 4mm or 8mm, and the distance of described first inner surface and described the bottom of a pan base surface area is 2mm or 3mm or 4mm.
For the energy that makes the flue gas of discharging in the fire retardant device can be utilized in addition, can be tightly connected together by welding at the inwall of second plate 91 with described body of heater 50.
For the heat of the flue gas of fire retardant device discharge is made full use of, be provided with the thermal energy converter 100 of the waste heat absorption of the flue gas that described fire retardant device is discharged 50 li of described bodies of heater, thermal energy converter 100 the insides are provided with cold water, and the flue gas then cold water by 100 li of a passage and thermal energy converters carries out discharging after the heat exchange again and fries stove.Chinese patent application 200820095144.X is seen in specifically being provided with of this thermal energy converter 100.
Thermal energy converter 100 is connected with water inlet pipe 81 and outlet pipe 82 respectively, and the other end that is provided with described outlet pipe 82 at the upper surface of casing connects boiler 54, and the other end of described water inlet pipe 81 is connected with water tank 59.The top of water tank 59 is connected with the control device of controlling cold water according to the cistern water level height automatically
For water can not overflowed from water tank 59, be connected with the control device of controlling cold water according to water tank 59 water levels height automatically at the top of described water tank 59.This control device is a control water valve 551, and when the water of 59 li in water tank arrived certain water level, control water valve 551 will be blocked water inlet 55, intakes and can open when water level drops to certain numerical value.
For the water that makes described water tank 59 can circulate automatically, the water inlet pipe 81 of described thermal energy converter 100 is provided with the water pump 80 of the water of described water tank 59 being sent into described thermal energy converter 100.
For the water that makes boiler 54, water tank 59 can auto recycling, the conduit 53 (conduit of bottom does not draw) that is provided with connection at the bottom and the top of boiler 54 and water tank 59.After the water of 54 li of boilers is expired, will flow in the water tanks 59 like this, enter into thermal energy converter by water pump 80 again and absorb heat for 100 li by conduit 53.
In order to make burner 22 can obtain sufficient air, connecting an end of air inlet pipe in burner 22 bottoms, the other end of air inlet pipe is connected with air blast 56.
The control igniting is provided with control igniting and flame-out touch switch with flame-out in stir-fry stove front during for the ease of use.Body of heater 50 of the present invention is provided with one and presses with pin and just can open the switch of igniting, this switch and burner 22 is used for the energy-efficient burner 22 of Chinese patent application numbers 200810065335.6, can make when frying pan 20 leaves body of heater 50, burner 22 is provided with the ion detector of flame detection, and sensing the disconnection of generation amount of ions deficiency or detection line just can auto extinguishing.Can protect like this that burning not enough and carbon dioxide, carbonomonoxide concentration that cause are excessive to cause danger or blast.
It is as follows that whole stir-fry furnaceman makes process:
At first, to light from the air and the combustion gas of air blast 56 at burner 22, the flame that burning produces is shorter, length is about the bottom of a pan surf zone of the bottom surface of the through frying pan 20 of 2.0cm, owing to the flame weak point that burner 22 produces is concentrated, flame concentrates on the bottom of a pan surf zone, the pot central temperature is the highest when making cooking, make cooking reach enough real pan gas, flue gas passes first through hole 910 then, 41 enter into the passage of heating thermal energy converter 100 and carry out heat exchange through the hole again behind second through hole 920 with the water of 100 li of thermal energy converters, discharge the external world at last, water temperature is raise become hot water, hot water enters into 54 li of boilers by outlet pipe 82 again.
The above-mentioned structure of the present invention makes the igniter of this product make the stir-fry stove just flame-out when not frying thing.And last hot air temperature of discharging the external world is about 60 degree Celsius, and the water temperature of this moment also is 60 degree.This stir-fry stove has been saved combustion gas, and the thermal efficiency is reached more than 60%, and has produced hot water, can shorten the time of cooking when cooking, also makes the temperature of body of heater 50 be minimized, and makes whole working environment more comfortable.Therefore be to play a very important role for environmental protection.In actual use, noise of the present invention is quiet many more than than traditional 95db below the 80db, and only 1/4th energy of frying the stove gas consumption with conventional commercial just can reach identical effect.And family only need gas consumption half just can reach effect same.CO output in the waste gas can reach below the 10ppm, and tradition stir-fry stove is 2000ppm.

Claims (10)

1. a stir-fry stove comprises body of heater and frying pan, is provided with burner in the described body of heater, it is characterized in that, being provided with the energy that described burner burning is produced between described body of heater and the described frying pan is the fire retardant device that described frying pan fully absorbs.
2. stir-fry stove according to claim 1, it is characterized in that, described fire retardant device comprises back-fire relief ring and back-fire relief spare, the pot limit of the inwall of described back-fire relief ring and described frying pan fits, described back-fire relief ring and described back-fire relief spare connection are provided with floss hole, the inner surface of described back-fire relief spare surrounds described whole frying pan bottom surface and is parallel to each other, and the distance of the inner surface of described back-fire relief spare and frying pan bottom surface is 1 to 18mm.
3. stir-fry stove according to claim 1 and 2, it is characterized in that, described frying pan comprises the bottom of a pan base surface area and the bottom of a pan surf zone that is connected with described the bottom of a pan base surface area, described back-fire relief spare comprises first plate, second plate and connect described first plate, the connecting plate of second plate, described first plate, the inner surface of second plate is respectively first inner surface that parallels with the bottom of a pan base surface area of described frying pan, with second inner surface that described the bottom of a pan surf zone parallels, described first inner surface, the outside of second inner surface evenly is provided with first through hole of discharging flue gas respectively, second through hole.
4. stir-fry stove according to claim 3 is characterized in that, the distance of described second inner surface and described the bottom of a pan surf zone is 2 to 18mm, and the distance of described first inner surface and described the bottom of a pan base surface area is 2 to 8mm.
5. stir-fry stove according to claim 4 is characterized in that, the distance of described second inner surface and described the bottom of a pan surf zone is 2 to 12mm, and the distance of described first inner surface and described the bottom of a pan base surface area is 2 to 6mm.
6. stir-fry stove according to claim 5 is characterized in that, the distance of described second inner surface and described the bottom of a pan surf zone is 2 to 8mm, and the distance of described first inner surface and described the bottom of a pan base surface area is 2 to 4mm.
7. stir-fry stove according to claim 6, it is characterized in that, the distance of described second inner surface and described the bottom of a pan surf zone is 2mm or 4mm or 8mm, the distance of described first inner surface and described the bottom of a pan base surface area is 2mm or 3mm or 4mm, and described second plate is connected with the inner wall sealing of described body of heater.
8. stir-fry stove according to claim 7, it is characterized in that, described body of heater comprises the thermal energy converter that the waste heat of the flue gas that described fire retardant device is discharged absorbs, described thermal energy converter is connected with water inlet pipe and outlet pipe, the other end of described outlet pipe connects boiler, the other end of described water inlet pipe is connected with water tank, and the top of described water tank is connected with the control device of controlling cold water according to the cistern water level height automatically.
9. stir-fry stove according to claim 8, it is characterized in that, the water that the water inlet pipe of described water tank and described thermal energy converter is provided with described water tank pumps into described thermal energy converter with water pump, and the bottom of described boiler, water tank and top are provided with the conduit of connection.
10. stir-fry stove according to claim 9 is characterized in that, described stir-fry stove front is provided with control igniting and flame-out touch switch.
CN200910106184A 2009-03-25 2009-03-25 Frying oven Pending CN101846337A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN200910106184A CN101846337A (en) 2009-03-25 2009-03-25 Frying oven
PCT/CN2010/071297 WO2010108442A1 (en) 2009-03-25 2010-03-25 Stir-frying stove

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN200910106184A CN101846337A (en) 2009-03-25 2009-03-25 Frying oven

Publications (1)

Publication Number Publication Date
CN101846337A true CN101846337A (en) 2010-09-29

Family

ID=42771050

Family Applications (1)

Application Number Title Priority Date Filing Date
CN200910106184A Pending CN101846337A (en) 2009-03-25 2009-03-25 Frying oven

Country Status (2)

Country Link
CN (1) CN101846337A (en)
WO (1) WO2010108442A1 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105258178A (en) * 2015-11-07 2016-01-20 朱永彪 Hot water tank for gas stove
CN105299710A (en) * 2015-11-15 2016-02-03 朱永彪 Gas stove

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109556152B (en) * 2018-12-07 2020-02-11 烟台工程职业技术学院 Energy-conserving gas-saving device of colleges and universities' dining room natural gas

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2177890Y (en) * 1993-09-02 1994-09-21 翟来福 Closed burning type flue gas range
CN2291621Y (en) * 1996-12-03 1998-09-16 孙志均 Continuous separation automatic gas water-boiling furnace
CN2625748Y (en) * 2003-02-26 2004-07-14 陶敬道 Closed gas kitchen range capable of automatically discharging exhaust gas
CN2760434Y (en) * 2004-11-23 2006-02-22 吴启辉 A flame tray sleeve type gas furnace end
CN2911438Y (en) * 2006-04-19 2007-06-13 逄金满 Environment protecting and energy saving gas cooker core
CN101196308A (en) * 2007-12-20 2008-06-11 姜亦迎 Air thermalization gas burner

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105258178A (en) * 2015-11-07 2016-01-20 朱永彪 Hot water tank for gas stove
CN105299710A (en) * 2015-11-15 2016-02-03 朱永彪 Gas stove

Also Published As

Publication number Publication date
WO2010108442A1 (en) 2010-09-30

Similar Documents

Publication Publication Date Title
CN103017206A (en) Safety energy-saving stove
CN204554899U (en) The off-gas recovery energy conserving system of commercial gas-fired stove
CN101846337A (en) Frying oven
CN210374032U (en) Cooking range device
CN217031260U (en) Heat exchange device for gas stove and gas stove applying same
KR101045832B1 (en) Hot water heater using exhaust gas of gas burner
CN210374037U (en) Gas water heater
CN2901099Y (en) Stove with heat collector
CN220453721U (en) Silent waste heat recovery oil gas single stove
CN201764540U (en) Backfire boiler
CN206269102U (en) A kind of energy-saving steam boiler
CN220453723U (en) Mute waste heat recovery commercial oil gas stove
CN220453722U (en) Mute waste heat recovery commercial oil gas double-stove
CN203068581U (en) Water pipe type fuel gas steam oven
CN220541085U (en) Fire row for burner, burner and gas water heater
CN210568658U (en) Mute waste heat recovery gas large range
CN210241673U (en) Waste heat utilization energy-saving stove
CN210398996U (en) Energy-saving big cooking stove
CN210373568U (en) Novel five-in-one gas valve stove
CN217560087U (en) Air-cooled gas water heater
CN2212171Y (en) Water tube type double layer grate multifunction boiling water stove
CN209978386U (en) Gas water heater with flue gas heat exchange latent heat collection function
CN200993467Y (en) Energy-saving heating boiler
CN201306764Y (en) Multi-functional fuel stove
CN201973872U (en) Normal-pressure efficient energy-saving water heater

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C12 Rejection of a patent application after its publication
RJ01 Rejection of invention patent application after publication

Application publication date: 20100929