CN103836650B - Dust fall furnace utilizing flue gas waste heat - Google Patents
Dust fall furnace utilizing flue gas waste heat Download PDFInfo
- Publication number
- CN103836650B CN103836650B CN201410121730.7A CN201410121730A CN103836650B CN 103836650 B CN103836650 B CN 103836650B CN 201410121730 A CN201410121730 A CN 201410121730A CN 103836650 B CN103836650 B CN 103836650B
- Authority
- CN
- China
- Prior art keywords
- flue
- cooling water
- water pipe
- flue gas
- shaft
- 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.)
- Active
Links
Classifications
-
- 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
Landscapes
- Chimneys And Flues (AREA)
Abstract
The invention relates to furnace tools, in particular to a dust fall furnace utilizing flue gas waste heat. The dust fall furnace comprises a furnace body and a furnace core arranged in the furnace body, a gas flue is arranged on the furnace body, a combustion head is arranged at the upper end of the furnace core, a furnace table is arranged at the upper end of the furnace body, a fire outlet is formed in the position, corresponding to the combustion head, of the furnace table, a cooling water pipe is arranged in the gas flue, the two ends of the cooling water pipe stretch out of the gas flue, one end of the cooling water pipe is connected with a water source, and the other end of the cooling water pipe is provided with a first water outlet pipe. The cooling water pipe is arranged in the gas flue, one end of the cooling water pipe is connected with the water source, the other end of the cooling water pipe is provided with the first water outlet pipe, the water in the cooling water pipe is heated by flue gas, a user can use hot water in the cooling water pipe through the first water outlet pipe, and therefore the flue gas waste heat is utilized.
Description
Technical field
The present invention relates to a kind of kitchen tools system, be specifically related to a kind of depositing dust stove utilizing fume afterheat.
Background technology
Along with the development of society, the most all in the face of increasingly serious energy crisis and environmental problem, energy-saving and emission-reduction are all being advocated energetically to improve current situation in the whole world.
China is a large agricultural country, rural population occupy total number of people general more than, and rural area area is especially considerably beyond the quantity of more than half.
In current rural area, coal or other biological matter fuel are still that the main energy sources of peasant's daily life, in conventional oven, flame is produced by burning coal or biomass fuel, flame contacts with the bottom of a pan and then heats it, in such mode of heating, directly it is discharged to air by flue owing to flame forms flue gas with the bottom of a pan after contacting, substantial amounts of heat is lost among air the most therewith, detected by experiment, the actual heat being used at the bottom of heating kettle only accounts for the 30%～40% of total amount of heat, and the heat of 40%～50% has been vented directly in air with flue gas, 10%～30% is then to be scattered and disappeared by stove body and do not used as heating cooler, so causing substantial amounts of waste.
Additionally, when flue gas is discharged, substantial amounts of there is the highest temperature owing to carrying, also flue is made to need to use fire and heat endurance material to prepare, and other objects near flue are also required to reserve enough gaps between flue and avoid being scalded by flue, so too increasing, while increasing the preparation cost of flue, the space that flue takies.
And, owing to the temperature of flue gas is high, and current flue is the most all for being vertically arranged, so the speed that flue gas up flows in vertical flue, dust granules in flue gas and other solid particles are all directly discharged in air, in turn result in the pollution of air.
So, need one at present badly and can effectively utilize fume afterheat, reduce soot dust granule in flue-gas temperature and flue gas, and then improve fuel heat utilization and reduce the flue gas waste heat utilization device of exhaust emission.
Summary of the invention
It is an object of the invention to: for existing stove above shortcomings, it is provided that one can effectively utilize fume afterheat, reduce soot dust granule in flue-gas temperature and flue gas, and then improves fuel heat utilization and reduce the flue gas waste heat utilization device of exhaust emission.
To achieve these goals, the technical solution used in the present invention is:
A kind of depositing dust stove utilizing fume afterheat, include shaft and be arranged on the combustion chamber within described shaft, it is provided with flue on described shaft, described combustion chamber upper end is provided with combustion head, and described shaft upper end is provided with table, and the described table that described combustion head is corresponding is provided with crater, it is provided with cooling water pipe in described flue, described cooling water pipe two ends reach outside described flue, and described cooling water pipe one end connects has water source, the other end to be provided with the first outlet pipe.Arranging cooling water pipe, connection water source, cooling water pipe one end in flue, the other end arranges the first outlet pipe, the water in flue gas cooling water pipe, and user just can be used the hot water in cooling water pipe, and then make use of the waste heat of flue gas by the first outlet pipe；Further, since the heat of flue gas is used to heat the water in cooling water pipe, so the temperature of flue gas itself is lowered again so that the dust granules in flue gas is more easy to separate, adds the settling amount of dust granules, thus reduce the pollution discharging flue gas；Additionally, owing to the temperature of flue gas reduces, the temperature of flue and table have also been obtained reduction, and then it can be avoided that table temperature is too high and scald the article on table, also reduce the manufacturing cost of table and flue, the factor of table and the flue deformed damaged because of high temperature can be considered when design.
As the preferred version of the present invention, the outer wall of described cooling water pipe is provided with spiral helicine blade.By spiral helicine blade, the flue gas flow channel in flue at cooling water pipe is divided into the screw-shaped flow paths being wound on cooling water pipe, improve flue gas and the heat exchange amount of water in cooling water pipe, also the heat utilization efficiency of fuel is just improved, and owing to the flowing of flue gas is spiral helicine flowing, the most just increase the length of flow of flue gas, and flue gas is spiral to roll up and down, also soot dust granule in flue gas has been promoted to separate from flue gas, add the settling amount of exhaust gas dust granule, reduce the pollution discharging flue gas.
Preferred version as the present invention, described flue includes horizontally disposed horizontal flue and the vertical flue being vertically arranged, flue is provided with horizontal flue and vertical flue, first the length of flue it is the increase in, when flue gas is flowed in flue, more dust granules is settled, thus reduces and discharge the content of dust granules in flue gas；Simultaneously as horizontal flue is to be horizontally disposed with so that flue gas flowing in horizontal flue is level, is further conducive to the sedimentation of dust granules in flue gas, also reduces the pollution discharging flue gas.
As the preferred version of the present invention, described horizontal flue is on the circular described shaft outer wall being set in below described table.Horizontal flue is set on the circular shaft outer wall being set in below table, while increasing horizontal flue length, avoids again horizontal flue to take excessive installing space.
Preferred version as the present invention, described horizontal flue one end is that outlet flue is connected with the lower end of described vertical flue, the other end is that the cavity between smoke inlet and described combustion head and crater is connected, described smoke inlet and described outlet flue are positioned at the same side of described horizontal flue, and the horizontal flue between described smoke inlet and outlet flue cuts off by arranging dividing plate.Smoke inlet and outlet flue are arranged on dividing plate both sides, add flue gas flow path in horizontal flue to greatest extent, improve the settling amount of dust granules in flue gas.
As the preferred version of the present invention, described horizontal flue is spaced apart with the outer wall of described shaft.Due to stove operationally, horizontal flue has higher temperature under the heating of flue gas, so being spaced apart by the outer wall of horizontal flue with shaft, it is to avoid horizontal flue delivers heat to shaft outer wall and makes shaft outer wall have higher temperature.
As the preferred version of the present invention, described cooling water pipe is circular being arranged in described horizontal flue.To be arranged in circular horizontal flue in circular cooling water pipe, cooling water pipe is increased, it is possible to more carry out heat exchange, the heat utilization efficiency of further flue gas with the length of smoke contacts, reduce the temperature of flue gas, increase the settling amount of dust granules in flue gas.
As the preferred version of the present invention, matching with the outer wall of described cooling water pipe in the inner edge of described blade, outer rim matches with the inwall of described horizontal flue.Flue gas flow channel between whole horizontal flue and cooling water pipe is divided into spiral helicine runner so that all of flue gas all flows in spiral helicine runner, further increases the settling amount of dust granules in the heat exchange amount of water in flue gas and cooling water pipe and flue gas.
As the preferred version of the present invention, the shaft below described table being provided with water box, described first outlet pipe is connected with described water box, and described water box is provided with the second outlet pipe.Owing to being provided with water box on shaft, water box is connected by the first outlet pipe with cooling water pipe, and the water in cooling water pipe is heated through water box again by after the flue gas in horizontal flue, further improves the heat utilization efficiency of fuel, too increases hot water amount simultaneously；Additionally, due to being provided with water box; water box is arranged on the shaft below table; shaft and table are also lowered the temperature heated while by the water in water box; make stove in use; the article being placed on table will not be scalded, owing to table has relatively low temperature so that the deflection of table is little; paint on table is also avoided that be full of cracks, enables table to obtain good protection.
As the preferred version of the present invention, described water box is on the circular outer wall being set in described shaft, fits tightly on the downside of described water box on the upside of described horizontal flue.Further reduced the temperature of horizontal flue by water box, and then the dust granules made in horizontal flue in flue gas is more easy to settle, and reduces the pollution discharging flue gas further.
As the preferred version of the present invention, described first outlet pipe and described second outlet pipe arrangement are at the two ends along described water box radial direction.By the first outlet pipe and the second outlet pipe arrangement along water box two ends radially, increase the path that water flow in water box, the raising water box heats to water.
As the preferred version of the present invention, being provided with ring-type thermal insulation layer inside described crater, described thermal insulation layer extends downward the position concordant with described combustion head upper end.By arranging thermal insulation layer, directly avoid temperature transfer at crater to table, avoid again, owing to, after arranging water box, the temperature at crater is too low, affecting the effect of heating cooker simultaneously.
As the preferred version of the present invention, described table is provided with safety glass.Due to the effect by water box and thermal insulation layer, the temperature of table is controlled in relatively low level, it is possible on table placing toughened glass and do not burst, also make stove good looking appearance, the most convenient for cleaning, and safety glass is unlikely to deform and fades.
In sum, owing to have employed technique scheme, the invention has the beneficial effects as follows:
1, utilize the waste heat in flue gas, improve the heat utilization efficiency of fuel；
2, decrease the content of dust granules in the flue gas of discharge, decrease exhaust emission；
3, flue temperature reduces, and prevents the article around flue from being scalded by flue.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention；
Fig. 2 is the structural representation of horizontal flue；
Fig. 3 is the partial enlarged drawing in Fig. 1 at A,
Labelling in figure: 1-shaft, 2-combustion chamber, 3-flue, 4-combustion head, 5-table, 6-crater, 7-cooling water pipe, 8-the first outlet pipe, 9-blade, 10-outlet flue, 11-smoke inlet, 12-cavity, 13-dividing plate, 14-water box, 15-the second outlet pipe, 16-thermal insulation layer, 17-safety glass, 31-horizontal flue, the vertical flue of 32-.
Detailed description of the invention
Below in conjunction with the accompanying drawings, the present invention is described in detail.
In order to make the purpose of the present invention, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not intended to limit the present invention.
A kind of stove as depicted, include shaft 1 and be arranged on the combustion chamber 2 within described shaft 1, it is provided with flue 3 on described shaft 1, described combustion chamber 2 upper end is provided with combustion head 4, and described shaft 1 upper end is provided with table 5, and the described table 5 of described combustion head 4 correspondence is provided with crater 6, it is provided with cooling water pipe 7 in described flue 3, it is outside that described cooling water pipe 7 two ends reach described flue 3, and described cooling water pipe 7 one end connects has water source, the other end to be provided with the first outlet pipe 8.Arranging cooling water pipe 7, connection water source, cooling water pipe 7 one end in flue 3, the other end arranges the first outlet pipe 8, the water in flue gas cooling water pipe 7, and user just can be used the hot water in cooling water pipe 7, and then make use of the waste heat of flue gas by the first outlet pipe 8；Further, since the heat of flue gas is used to heat the water in cooling water pipe 7, so the temperature of flue gas itself is lowered so that the dust granules in flue gas is more easy to separate, adds the settling amount of dust granules, thus reduce the pollution discharging flue gas；Additionally, owing to the temperature of flue gas reduces, the temperature of flue 3 and table 5 have also been obtained reduction, and then it can be avoided that table 5 temperature is too high and scald the article on table 5, also reduce table 5 and the manufacturing cost of flue 3, can consider when design table 5 and flue 3 because of high temperature the factor of deformed damaged.
As the preferred version of the present invention, the outer wall of described cooling water pipe 7 is provided with spiral helicine blade 9.By spiral helicine blade 9, the flue gas flow channel in flue 3 at cooling water pipe 7 is divided into the screw-shaped flow paths being wound on cooling water pipe 7, improve flue gas and the heat exchange amount of water in cooling water pipe 7, also the heat utilization efficiency of fuel is just improved, and owing to the flowing of flue gas is spiral helicine flowing, the most just increase the length of flow of flue gas, and flue gas is spiral to roll up and down, also soot dust granule in flue gas has been promoted to separate from flue gas, add the settling amount of exhaust gas dust granule, reduce the pollution discharging flue gas.
Preferred version as the present invention, described flue 3 includes horizontally disposed horizontal flue 31 and the vertical flue 32 being vertically arranged, flue 3 is provided with horizontal flue 31 and vertical flue 32, first the length of flue 3 it is the increase in, when flue gas is flowed in flue 3, more dust granules is settled, thus reduces and discharge the content of dust granules in flue gas；Simultaneously as horizontal flue 31 is to be horizontally disposed with so that flue gas flowing in horizontal flue 31 is level, is further conducive to the sedimentation of dust granules in flue gas, also reduces the pollution discharging flue gas.
As the preferred version of the present invention, described horizontal flue 31 is on circular described shaft 1 outer wall being set in below described table 5.Horizontal flue 31 is set on circular shaft 1 outer wall being set in below table 5, while increasing horizontal flue 31 length, avoids again horizontal flue 31 to take excessive installing space.
Preferred version as the present invention, described horizontal flue 31 one end is that outlet flue 10 is connected with the lower end of described vertical flue 30, the other end is that the cavity 12 between smoke inlet 11 and described combustion head 4 and crater 6 is connected, described smoke inlet 11 and described outlet flue 10 are positioned at the same side of described horizontal flue 31, and the horizontal flue 31 between described smoke inlet 11 and outlet flue 10 cuts off by arranging dividing plate 13.Smoke inlet 11 and outlet flue 10 are arranged on dividing plate 13 both sides, add flue gas flow path in horizontal flue 31 to greatest extent, improve the settling amount of dust granules in flue gas.
As the preferred version of the present invention, described horizontal flue 31 is spaced apart with the outer wall of described shaft 1.Due to stove operationally, horizontal flue 31 has higher temperature under the heating of flue gas, so being spaced apart by the outer wall of horizontal flue 31 with shaft 1, it is to avoid horizontal flue 31 delivers heat to shaft 1 outer wall and makes shaft 1 outer wall have higher temperature.
As the preferred version of the present invention, described cooling water pipe 7 is arranged in described horizontal flue 31 in circular.To be arranged in circular horizontal flue 31 in circular cooling water pipe 7, cooling water pipe 7 is increased, it is possible to more carry out heat exchange, the heat utilization efficiency of further flue gas with the length of smoke contacts, reduce the temperature of flue gas, increase the settling amount of dust granules in flue gas.
As the preferred version of the present invention, matching with the outer wall of described cooling water pipe 7 in the inner edge of described blade 9, outer rim matches with the inwall of described horizontal flue 31.Flue gas flow channel between whole horizontal flue 31 and cooling water pipe 7 is divided into spiral helicine runner, all of flue gas is all flowed in spiral helicine runner, further increases the settling amount of dust granules in the heat exchange amount of water in flue gas and cooling water pipe 7 and flue gas.
As the preferred version of the present invention, the shaft 1 below described table 5 being provided with water box 14, described first outlet pipe 8 is connected with described water box 14, and described water box 14 is provided with the second outlet pipe 15.Owing to being provided with water box 14 on shaft 1, water box 14 is connected by the first outlet pipe 8 with cooling water pipe 7, water in cooling water pipe 7 is heated through water box 14 again by after the flue gas in horizontal flue 31, further improves the heat utilization efficiency of fuel, too increases hot water amount simultaneously；Additionally, due to being provided with water box 14; water box 14 is arranged on the shaft 1 below table 5; shaft 1 and table 5 are also lowered the temperature heated while by the water in water box 14; make stove in use; the article being placed on table 5 will not be scalded, owing to table 5 has relatively low temperature so that the deflection of table 5 is little; paint on table 5 is also avoided that be full of cracks, makes table 5 can obtain good protection.
As the preferred version of the present invention, described water box 14, on the circular outer wall being set in described shaft 1, fits tightly with on the upside of described horizontal flue 31 on the downside of described water box 14.Further reduced the temperature of horizontal flue 31 by water box 14, and then the dust granules made in horizontal flue 31 in flue gas is more easy to settle, and reduces the pollution discharging flue gas further.
As the preferred version of the present invention, described first outlet pipe 8 is arranged in the two ends along described water box 14 radial direction with described second outlet pipe 15.First outlet pipe 8 and the second outlet pipe 15 are arranged in the two ends along water box 14 radial direction, increase the path that water flows in water box 14, improve the water box 14 heats to water.
As the preferred version of the present invention, being provided with ring-type thermal insulation layer 16 inside described crater 6, described thermal insulation layer 16 extends downward the position concordant with described combustion head 4 upper end.By arranging thermal insulation layer 16, directly avoid temperature transfer at crater 6 to table 5, avoid again, owing to, after arranging water box 14, the temperature at crater 6 is too low, affecting the effect of heating cooker simultaneously.
As the preferred version of the present invention, described table 5 is provided with safety glass 17.Owing to by water box 14 and the effect of thermal insulation layer 16, the temperature of table 5 being controlled in relatively low level, it is possible on table 5 placing toughened glass 17 and do not burst, also make stove good looking appearance, the most convenient for cleaning, and safety glass 17 is unlikely to deform and fades.
All any amendment, equivalent and improvement etc. made within the spirit and principles in the present invention, should be included within the scope of the present invention.
Claims (10)
1. the depositing dust stove utilizing fume afterheat, include shaft and be arranged on the combustion chamber within described shaft, it is provided with flue on described shaft, described combustion chamber upper end is provided with combustion head, and described shaft upper end is provided with table, and the described table that described combustion head is corresponding is provided with crater, it is provided with cooling water pipe in described flue, described cooling water pipe two ends reach outside described flue, and described cooling water pipe one end connects has water source, the other end to be provided with the first outlet pipe.
The depositing dust stove utilizing fume afterheat the most according to claim 1, it is characterised in that be provided with spiral helicine blade on the outer wall of described cooling water pipe.
The depositing dust stove utilizing fume afterheat the most according to claim 2, it is characterised in that described flue includes horizontally disposed horizontal flue and the vertical flue being vertically arranged, and described horizontal flue is on the circular described shaft outer wall being set in below described table.
The depositing dust stove utilizing fume afterheat the most according to claim 3, it is characterized in that, described horizontal flue one end is that outlet flue is connected with the lower end of described vertical flue, the other end is that the cavity between smoke inlet and described combustion head and crater is connected, described smoke inlet and described outlet flue are positioned at the same side of described horizontal flue, and the horizontal flue between described smoke inlet and outlet flue cuts off by arranging dividing plate.
The depositing dust stove utilizing fume afterheat the most according to claim 4, it is characterised in that described horizontal flue is spaced apart with the outer wall of described shaft.
The depositing dust stove utilizing fume afterheat the most according to claim 5, it is characterised in that described cooling water pipe is circular being arranged in described horizontal flue.
The depositing dust stove utilizing fume afterheat the most according to claim 6, it is characterised in that matching with the outer wall of described cooling water pipe in the inner edge of described blade, outer rim matches with the inwall of described horizontal flue.
The depositing dust stove utilizing fume afterheat the most according to claim 7, it is characterised in that be provided with water box on the shaft below described table, described first outlet pipe is connected with described water box, and described water box is provided with the second outlet pipe.
The depositing dust stove utilizing fume afterheat the most according to claim 8, it is characterised in that described water box is on the circular outer wall being set in described shaft, fits tightly on the downside of described water box on the upside of described horizontal flue.
The depositing dust stove utilizing fume afterheat the most according to claim 9, it is characterised in that be provided with ring-type thermal insulation layer inside described crater, described thermal insulation layer extends downward the position concordant with described combustion head upper end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410121730.7A CN103836650B (en) | 2014-03-28 | 2014-03-28 | Dust fall furnace utilizing flue gas waste heat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410121730.7A CN103836650B (en) | 2014-03-28 | 2014-03-28 | Dust fall furnace utilizing flue gas waste heat |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103836650A CN103836650A (en) | 2014-06-04 |
| CN103836650B true CN103836650B (en) | 2017-01-11 |
Family
ID=50800396
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410121730.7A Active CN103836650B (en) | 2014-03-28 | 2014-03-28 | Dust fall furnace utilizing flue gas waste heat |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103836650B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108507376A (en) * | 2018-03-30 | 2018-09-07 | 李学斌 | A kind of energy saving and environment friendly combustion gas indirect cyclic process cooling device and its cooling means |
| CN110467335A (en) * | 2019-09-10 | 2019-11-19 | 蚌埠中光电科技有限公司 | A kind of TFT-LCD glass furnace flue cooling device |
| CN110981165A (en) * | 2019-12-31 | 2020-04-10 | 重庆星源玻璃器皿有限责任公司 | Waste heat recovery glass kiln |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1004513B (en) * | 1986-12-13 | 1989-06-14 | 董中书 | Honeycomb briquett stove with steam overheat device |
| CN2193498Y (en) * | 1993-12-16 | 1995-03-29 | 冯少华 | Cooking and heating energy-saving stove with double-layer water jacket |
| CN2480728Y (en) * | 2001-03-13 | 2002-03-06 | 李明贵 | Multi-function energy-saving furnace |
| CN200955780Y (en) * | 2006-04-10 | 2007-10-03 | 马文海 | Domestic dual-power heating-cooking multi-purpose stove |
| CN203744304U (en) * | 2014-03-28 | 2014-07-30 | 四川省焱森炉业有限公司 | Dust settling furnace efficiently utilizing exhaust gas waste heat |
-
2014
- 2014-03-28 CN CN201410121730.7A patent/CN103836650B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN103836650A (en) | 2014-06-04 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103836650B (en) | Dust fall furnace utilizing flue gas waste heat | |
| CN204704852U (en) | A kind of Multipurpose energy-saving coal smoke-free range | |
| CN203744304U (en) | Dust settling furnace efficiently utilizing exhaust gas waste heat | |
| CN204100300U (en) | Energy-saving and efficient return air furnace | |
| CN103836651A (en) | Kitchenware system with smoke waste heat efficient-utilization device | |
| CN204176690U (en) | A kind of energy-saving environmental protection heating stove | |
| CN204202159U (en) | Novel biomass particle high-temperature hot-blast stove | |
| CN203116092U (en) | Multi-functional energy-saving stove | |
| CN205939246U (en) | Automatic heating, hot water, heat retaining biomass fuel stove that cooking was used | |
| CN202630127U (en) | Tail gas waste heat recovery coal firing oven | |
| CN203744303U (en) | Kitchen ware system with flue gas waste heat utilization device | |
| CN202675369U (en) | Waste heat recovery energy-saving stove | |
| CN202419702U (en) | Novel energy-saving mess hall cooking range | |
| CN205156052U (en) | Take gas -cooker of graphite heat exchanger | |
| CN203744305U (en) | Dustfall furnace | |
| CN214700807U (en) | Heat collection type energy-saving stove | |
| CN201870442U (en) | Quick reversal heating thermal jug | |
| CN201954593U (en) | Heat exchange type combined cooker | |
| CN208312708U (en) | A kind of inner-tube structure of energy-saving hot water stove | |
| CN202835468U (en) | Energy-saving commercial stove | |
| CN201426631Y (en) | Household quick energy saving pot | |
| CN202658139U (en) | Straw gasification furnace tar processor | |
| CN202598613U (en) | Novel infrared energy gathering stove | |
| CN101968234A (en) | Energy-saving stove capable of efficiently recovering heat | |
| CN201166395Y (en) | Energy-saving coal gas heating stove |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |