CN100362290C - Environment-friendly energy-saving heating stove - Google Patents
Environment-friendly energy-saving heating stove Download PDFInfo
- Publication number
- CN100362290C CN100362290C CNB2005101157275A CN200510115727A CN100362290C CN 100362290 C CN100362290 C CN 100362290C CN B2005101157275 A CNB2005101157275 A CN B2005101157275A CN 200510115727 A CN200510115727 A CN 200510115727A CN 100362290 C CN100362290 C CN 100362290C
- Authority
- CN
- China
- Prior art keywords
- water jacket
- vane
- combustion chamber
- benefit
- sidewall
- 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.)
- Expired - Fee Related
Links
Images
Abstract
The present invention discloses an environmental-protection energy-saving heating stove which comprises a stove body, wherein a primary combustion chamber is arranged on the lower part of the stove body. A secondary combustion chamber is arranged on the upper part of the stove body, and grates and an ash chamber are arranged below the combustion chamber. A water jacket is composed of an upper water jacket, a middle water jacket and a lower water jacket, wherein the lower water jacket is circled on the lower part of the primary combustion chamber. The middle water jacket is positioned on the upper part and top of the side wall of the primary combustion chamber, and the middle of the middle water jacket is provided with a ventilation hole communicated with the primary combustion chamber and the secondary combustion chamber. The upper water jacket is circled on the upper part of the side wall of the secondary combustion chamber and the lower part of the side wall of a chimney, and at least a convection pipe is connected between the lower water jacket and the middle water jacket. A secondary air ring circled around the ventilation hole is arranged above the middle water jacket, and a plurality of air outlets are distributed on the inner side wall of the secondary air ring. The left side and the right side of the secondary air ring are respectively provided with air inlets, and each air inlet is communicated with the outside through an air inlet pipe. The purpose of the invention is to provide an environmental-protection energy-saving heating stove having the advantages of less dust quantity in discharged smoke gas, high thermal efficiency and sufficient combustion. The environmental-protection energy-saving heating stove can be simultaneously used for cooking and heating.
Description
Technical field
The present invention relates to a kind of heating stove, relate in particular to a kind of environment-friendly energy-saving heating stove.
Background technology
Existing heating stove is generally direct coal combustion, and it can produce a large amount of dust in combustion process, and along with fume emission in atmosphere, cause severe contamination thus to environment.In addition, the direct heating stove of coal combustion, the residue phosphorus content in its slag is higher usually, always has a spot of carbon along with ashes are discharged away, thereby causes the thermal efficiency of heating stove lower, so since, not only waste energy, and strengthened pollution environment.
Summary of the invention
The object of the present invention is to provide a kind of sufficient combustion, in the discharged flue gas Dust Capacity seldom, the thermal efficiency is higher, can be used to the environment-friendly energy-saving heating stove of cooking, heating simultaneously.
Environment-friendly energy-saving heating stove of the present invention, comprise body of heater, be positioned at the chimney at body of heater top, described sidewall of the furnace body is provided with water jacket, water jacket is provided with delivery port, water return outlet and water supplement port, the bottom of described body of heater is provided with the primary zone, the top of body of heater is provided with secondary combustion chamber, the below of primary zone is provided with fire grate and cinder chamber, described water jacket is by lower water jacket, middle water jacket and upper water sleeve are formed, lower water jacket is looped around the bottom of described primary zone sidewall, water jacket is positioned at the top and the top of primary zone's sidewall in described, the middle part of middle water jacket is provided with the passage that is communicated with primary zone and described secondary combustion chamber, described upper water sleeve is surrounded on the top of secondary combustion chamber sidewall and the bottom of described chimney jambs, convection tube is continuous down to adopt at least one between described lower water jacket and the described middle water jacket, in to adopt at least one to go up convection tube between water jacket and the described upper water sleeve continuous, above middle water jacket, be provided with benefit vane around described passage, be evenly equipped with a plurality of exhaust vents on the madial wall of benefit vane, two sides are respectively equipped with fresh air inlet about the benefit vane, and each fresh air inlet communicates with the external world by blast pipe respectively.
Environment-friendly energy-saving heating stove of the present invention, the top of wherein said benefit vane is provided with retaining coal ring, the top of retaining coal ring is provided with the branch fire ring, be provided with flue one time between retaining coal ring and the branch fire ring, be evenly equipped with a plurality of fire seperating holes on the sidewall of branch fire ring, a plurality of fire seperating holes constitute the secondary flue, and the top of described minute fire ring is provided with fire sealing cover.
Environment-friendly energy-saving heating stove of the present invention, be positioned at described fresh air inlet place in the wherein said benefit vane and vertically be provided with flow distribution plate, the width of flow distribution plate is greater than the width of fresh air inlet, the height of flow distribution plate is for mending the 50%-80% of vane internal height, and the aperture of described passage and described benefit vane endoporus is 60-180mm.。
Environment-friendly energy-saving heating stove of the present invention, forward and backward two ends of wherein said benefit vane lateral wall are respectively equipped with pressure relief vent, described delivery port is two, lay respectively at around two sides about the described upper water sleeve of described chimney, the height of described flow distribution plate is the 60%-70% of described benefit vane internal height, and the aperture of described passage and described benefit vane endoporus is 80-160mm.
Environment-friendly energy-saving heating stove of the present invention, wherein said primary zone sidewall is provided with fire door, the described quantity of convection tube down is 2-6, convection tube is distributed on the lateral wall of described primary zone under 2-6, the described quantity that goes up convection tube is 2-6, go up convection tube for 2-6 and be distributed in symmetrically on the lateral wall of described secondary combustion chamber, the aperture of described passage and described benefit vane endoporus is 100-140mm.
Environment-friendly energy-saving heating stove of the present invention scribbles fireproof jointing sheath on the indoor sidewall of wherein said primary combustion, and fireproof jointing sheath adopts No. 625 alumina cements to make, and the aperture of described passage and described benefit vane endoporus is 110-130mm.
Environment-friendly energy-saving heating stove of the present invention, wherein each described blast pipe is connected and composed by horizontal tube and VERTICAL TUBE respectively, one end of horizontal tube links to each other with described fresh air inlet, and along continuous straight runs passes the rear wall of described secondary combustion chamber, its other end links to each other with the top of VERTICAL TUBE, VERTICAL TUBE is fixed on the rear wall or left and right sidewall of body of heater, and its bottom communicates with the external world.
Environment-friendly energy-saving heating stove of the present invention, the bottom of wherein said chimney are provided with the joint door, are provided with air door on the sidewall of described cinder chamber slidably, and described fire seperating hole is circular trapezoidal or the oval or polygon of rectangle.
The advantage and the good effect of environment-friendly energy-saving heating stove of the present invention are, its water jacket is by lower water jacket, middle water jacket and upper water sleeve are formed, lower water jacket is looped around the bottom of described primary zone sidewall, middle water jacket is positioned at the top and the top of primary zone's sidewall, the middle part of middle water jacket is provided with the passage that is communicated with primary zone and secondary combustion chamber, upper water sleeve is surrounded on the top of secondary combustion chamber sidewall and the bottom of described chimney jambs, convection tube is continuous down to adopt at least one between lower water jacket and the described middle water jacket, in to adopt at least one to go up convection tube between water jacket and the described upper water sleeve continuous, above middle water jacket, be provided with benefit vane around described passage, be evenly equipped with a plurality of exhaust vents on the madial wall of benefit vane, two sides are respectively equipped with fresh air inlet about the benefit vane, and each fresh air inlet communicates with the external world by blast pipe respectively.In use, can coal be joined in the primary zone by the top of body of heater, make on the fire grate of coal below primary combustion is indoor and burn, a large amount of heat energy parts that burning produces are directly absorbed by the water in the lower water jacket, part is along with coal gas and the flue gas that burning produces rises, and the water in the water jacket absorbs in the quilt.Because the primary zone's sidewall between lower water jacket and the middle water jacket is not established water jacket, make that thus the temperature of coal of primary combustion Indoor Combustion is higher, can produce more coal gas, and can make burning of coal, decompose more abundant.The coal gas that rises can pass passage, mixes with external wind from the middle part of mending vane again, and coal gas can burn in that second-time burning is indoor then, the heat that burning produces can quilt in water absorption in water jacket and the upper water sleeve.Therefore, the sufficient combustion of environment-friendly energy-saving heating stove of the present invention, the thermal efficiency is high, can reduce energy resource consumption since indoor in second-time burning only be coal gas in burning, the Dust Capacity that its burning produces has seldom also reduced the pollution to environment thus.
Be elaborated below in conjunction with the preferred forms of accompanying drawing to environment-friendly energy-saving heating stove of the present invention.
Description of drawings
Fig. 1 is the main pseudosection of the structural representation of environment-friendly energy-saving heating stove of the present invention;
Fig. 2 is the side cutaway view of Fig. 1;
Fig. 3 is the top plan view of Fig. 1;
Fig. 4 is the A-A cross section view of Fig. 1;
Fig. 5 is the B-B cross section view of Fig. 1.
The specific embodiment
As Fig. 1, Fig. 2, Fig. 3, Fig. 4 and shown in Figure 5, environment-friendly energy-saving heating stove of the present invention, comprise body of heater 1, be positioned at the chimney 5 at body of heater 1 top, be provided with water jacket on body of heater 1 sidewall, water jacket is provided with delivery port 19, water return outlet 28 and water supplement port (not drawing among the figure), and wherein delivery port 19 is two, lay respectively at around two sides about the upper water sleeve 8 of chimney 5, water return outlet 28 is positioned on the sidewall of lower water jacket 6.Be provided with primary zone 2 in the bottom of body of heater 1, be provided with secondary combustion chamber 23 on the top of body of heater 1, the below of primary zone 2 is provided with fire grate 3 and cinder chamber 4, water jacket is by lower water jacket 6, middle water jacket 7 and upper water sleeve 8 are formed, lower water jacket 6 is looped around the bottom of primary zone's 2 sidewalls, middle water jacket 7 is positioned at the top and the top of primary zone's 2 sidewalls, the middle part of middle water jacket 7 is provided with the passage 11 that is communicated with primary zone 2 and secondary combustion chamber 23, upper water sleeve 8 is surrounded on the top of secondary combustion chamber 23 sidewalls and the bottom of chimney 5 sidewalls, adopt 4 or 3 or 6 following convection tubes 9 to link to each other between lower water jacket 6 and the middle water jacket 7,4 or 3 or 6 following convection tubes 9 are distributed on the lateral wall of primary zone 2, upward convection tube 10 is continuous to adopt 2 or 3 or 4 between middle water jacket 7 and the upper water sleeve 8, goes up convection tube 10 and is distributed in symmetrically on the lateral wall of secondary combustion chamber 23 for 2 or 3 or 4.Be provided with the benefit vane 12 around passage 11 above middle water jacket 7, be evenly equipped with a plurality of exhaust vents 13 on the madial wall of benefit vane 12, two sides are respectively equipped with fresh air inlet 14 about benefit vane 12, and each fresh air inlet 14 communicates with the external world by blast pipe 15 respectively.Each blast pipe 15 is connected and composed by horizontal tube and VERTICAL TUBE respectively, one end of horizontal tube links to each other with described fresh air inlet 14, and along continuous straight runs passes the rear wall of secondary combustion chamber 23, its other end links to each other with the top of VERTICAL TUBE, VERTICAL TUBE is fixed on the rear wall of body of heater 1, perhaps be fixed on the left and right sides sidewall of body of heater 1 or on the front side wall, its bottom communicates with the external world.In use, the lower ending opening of the VERTICAL TUBE that extraneous air can be by each blast pipe 15 enters in the VERTICAL TUBE, and then enters horizontal tube from the other end of VERTICAL TUBE, enters from horizontal tube and mends vane 12.
Above benefit vane 12, be provided with retaining coal ring 16, the top of retaining coal ring 16 is provided with branch fire ring 17, be provided with flue one time between retaining coal ring 16 and the branch fire ring 17, be evenly equipped with a plurality of fire seperating holes 26 on the sidewall of branch fire ring 17, described fire seperating hole 26 is circular trapezoidal or the oval or polygon of rectangle, a plurality of fire seperating holes 26 constitute the secondary flue, divide the top of fire ring 17 to be provided with fire sealing cover 27.Retaining coal ring 16 is to be used for stopping that the coal that adds in the primary zone 2 is not scattered in the secondary combustion chamber 23, opening fire sealing cover 27 in primary zone 2 during coal, overwhelming majority flue gases can be by flue and secondary flue stream to chimney 5, and in can inlet chamber.
Be positioned at fresh air inlet 14 places and vertically be provided with flow distribution plate 18 in mending vane 12, the width of flow distribution plate 18 is greater than the width of fresh air inlet 14, and the height of flow distribution plate 18 is for mending 66.7% of vane 12 internal height, perhaps is 50% or 60% to obtain 70%, 80%.The aperture of described passage 11 and benefit vane 12 endoporus is 120mm or 130mm or 140mm or 150mm160mm or 180mm or 60mm or 80mm or 100mm or 110mm.Be respectively equipped with pressure relief vent 20 at forward and backward two ends of mending vane 12 lateral walls, when the air pressure in mending vane 12 was higher, pressure relief vent 20 can carry out the release of appropriateness.The flow distribution plate 18 of mending fresh air inlet 14 places in the vane 12 can guide extraneous air-flow uniformly from a plurality of exhaust vent 13 ejections.20 of pressure relief vents can avoid air-flow turbulent phenomenon to occur in mending vane 12, thereby help the smooth combustion of flame.
Be provided with fire door 21 on primary zone's 2 sidewalls, scribble fireproof jointing sheath 22 on the sidewall in primary zone 2, fireproof jointing sheath 22 adopts No. 625 alumina cements to make.
Be provided with joint door 24 in the bottom of chimney 5, close joint door 24, flue gas just can't pass through chimney 5, is provided with air door 25 on the sidewall of cinder chamber 4 slidably, and air door 25 can be used for adjusting the intake of primary zone 2.
The environment-friendly energy-saving heating stove course of work of the present invention is: the top at body of heater 1 joins coal in the primary zone 2, make burning on the fire grate 3 of coal below in primary zone 2, the lime-ash that burning produces passes fire grate 3 by means of gravity and falls into cinder chamber 4, is eliminated from the ash hole of cinder chamber 4.A large amount of heat energy that burning produces are partly directly absorbed by the water in the lower water jacket 6, and part is along with coal gas and the flue gas that burning produces rises, and the water in the water jacket 7 absorbs in the quilt.Because primary zone's 2 sidewalls between lower water jacket 6 and the middle water jacket 7 are not established water jacket, make that thus the temperature of coal of primary zone's 2 internal combustion is higher, can produce more coal gas, and can make burning of coal, decompose more abundant.The coal gas that rises can pass passage 11, mixes with external wind from the middle part of mending vane 12 again, and coal gas can burn in secondary combustion chamber 23 then, the heat that burning produces can quilt in water absorption in water jacket 7 and the upper water sleeve 8.Therefore, the thermal efficiency of environment-friendly energy-saving heating stove of the present invention is high, can reduce energy resource consumption, owing to only be that coal gas is burning in secondary combustion chamber 23, the Dust Capacity that its burning produces has seldom also reduced the pollution to environment thus.
Embodiment recited above is described preferred implementation of the present invention; be not that design of the present invention and scope are limited; do not breaking away under the design concept prerequisite of the present invention; common engineers and technicians make technical scheme of the present invention in this area various modification and improvement; all should fall into protection scope of the present invention; the technology contents that the present invention asks for protection all is documented in claims.
Claims (8)
1. environment-friendly energy-saving heating stove, comprise body of heater (1), the top of body of heater (1) is provided with chimney (5), described body of heater (1) sidewall is provided with water jacket, water jacket is provided with delivery port (19), water return outlet (28) and water supplement port, the bottom that it is characterized in that described body of heater (1) is provided with primary zone (2), the top of body of heater (1) is provided with secondary combustion chamber (23), the below of primary zone (2) is provided with fire grate (3) and cinder chamber (4), described water jacket is by lower water jacket (6), middle water jacket (7) and upper water sleeve (8) are formed, lower water jacket (6) is looped around the bottom of described primary zone (2) sidewall, water jacket (7) is positioned at the top and the top of primary zone (2) sidewall in described, the middle part of middle water jacket (7) is provided with the passage (11) that is communicated with primary zone (2) and described secondary combustion chamber (23), described upper water sleeve (8) is surrounded on the top of secondary combustion chamber (23) sidewall and the bottom of described chimney (5) sidewall, convection tube (9) is continuous down to adopt at least one between described lower water jacket (6) and the described middle water jacket (7), in adopt between water jacket (7) and the described upper water sleeve (8) at least one convection tube (10) continuous, be provided with benefit vane (12) around described passage (11) in the top of middle water jacket (7), be evenly equipped with a plurality of exhaust vents (13) on the madial wall of benefit vane (12), two sides are respectively equipped with fresh air inlet (14) about benefit vane (12), and each fresh air inlet (14) communicates with the external world by blast pipe (15) respectively.
2. environment-friendly energy-saving heating stove according to claim 1, the top that it is characterized in that described benefit vane (12) is provided with retaining coal ring (16), the top of retaining coal ring (16) is provided with branch fire ring (17), be provided with flue one time between retaining coal ring (16) and the branch fire ring (17), be evenly equipped with a plurality of fire seperating holes (26) on the sidewall of branch fire ring (17), a plurality of fire seperating holes (26) constitute the secondary flue, described minute fire ring (17) the top be provided with fire sealing cover (27).
3. environment-friendly energy-saving heating stove according to claim 2, it is characterized in that being positioned in the described benefit vane (12) described fresh air inlet (14) and locate vertically to be provided with flow distribution plate (18), the width of flow distribution plate (18) is greater than the width of fresh air inlet (14), the height of flow distribution plate (18) is for mending the 50%-80% of vane (12) internal height, and the aperture of the endoporus of described passage (11) and described benefit vane (12) is 60-180mm.
4. environment-friendly energy-saving heating stove according to claim 3, forward and backward two ends that it is characterized in that the lateral wall of described benefit vane (12) are respectively equipped with pressure relief vent (20), described delivery port (19) is two, lay respectively at around two sides about the described upper water sleeve (8) of described chimney (5), the height of described flow distribution plate (18) is the 60%-70% of described benefit vane (12) internal height, and the aperture of described passage (11) and described benefit vane (12) endoporus is 80-160mm.
5. environment-friendly energy-saving heating stove according to claim 4, it is characterized in that described primary zone (2) sidewall is provided with fire door (21), the described quantity of convection tube (9) down is 2-6, convection tube (9) is distributed on the lateral wall of described primary zone (2) under 2-6, the described quantity that goes up convection tube (10) is 2-6, go up convection tube (10) for 2-6 and be distributed in symmetrically on the lateral wall of described secondary combustion chamber (23), the aperture of described passage (11) and described benefit vane (12) endoporus is 100-140mm.
6. environment-friendly energy-saving heating stove according to claim 5; it is characterized in that scribbling fireproof jointing sheath (22) on the sidewall in the described primary zone (2); fireproof jointing sheath (22) adopts No. 625 alumina cements to make, and the aperture of described passage (11) and described benefit vane (12) endoporus is 110-130mm.
7. environment-friendly energy-saving heating stove according to claim 6, it is characterized in that each described blast pipe (15) is connected and composed by horizontal tube and VERTICAL TUBE respectively, one end of horizontal tube links to each other with described fresh air inlet (14), and along continuous straight runs passes the rear wall of described secondary combustion chamber (23), its other end links to each other with the top of VERTICAL TUBE, VERTICAL TUBE is fixed on the rear wall or left and right sidewall of body of heater (1), and its bottom communicates with the external world.
8. environment-friendly energy-saving heating stove according to claim 7, the bottom that it is characterized in that described chimney (5) is provided with joint door (24), be provided with air door (25) on the sidewall of described cinder chamber (4) slidably, described fire seperating hole (26) is that rectangle is circular trapezoidal or oval.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005101157275A CN100362290C (en) | 2005-11-09 | 2005-11-09 | Environment-friendly energy-saving heating stove |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005101157275A CN100362290C (en) | 2005-11-09 | 2005-11-09 | Environment-friendly energy-saving heating stove |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1769810A CN1769810A (en) | 2006-05-10 |
| CN100362290C true CN100362290C (en) | 2008-01-16 |
Family
ID=36751264
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2005101157275A Expired - Fee Related CN100362290C (en) | 2005-11-09 | 2005-11-09 | Environment-friendly energy-saving heating stove |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100362290C (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2824247A1 (en) * | 2010-12-28 | 2012-07-05 | Zhuhong Wang | An anti-scorification oven |
| CA2823428A1 (en) * | 2010-12-28 | 2012-07-05 | Hongfeng Zhu | A boiler |
| CN107328099B (en) * | 2017-08-17 | 2023-09-15 | 成都佳达农业科技发展有限公司 | Biomass hot-blast stove and full-automatic biomass hot-blast stove |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1248196A (en) * | 1969-02-04 | 1971-09-29 | Coutisson Sa Atel | Boiler |
| JPS61280343A (en) * | 1985-06-03 | 1986-12-10 | Takanobu Ishibashi | Multi-stage water heater |
| EP0264907A2 (en) * | 1986-10-21 | 1988-04-27 | Josef Geisler | Boiler for fluid fuels |
| CN2055908U (en) * | 1989-10-17 | 1990-04-11 | 乔庆 | Semi-gas dual-purpose stove for cooking and warming |
| CN2110799U (en) * | 1991-11-09 | 1992-07-22 | 孙首泉 | Water heating stove for high-frigid zone |
| CN2562074Y (en) * | 2002-08-21 | 2003-07-23 | 张祥文 | Burners |
| CN2621260Y (en) * | 2003-05-09 | 2004-06-23 | 张祥文 | Coal-fired vaporization gas making burner |
-
2005
- 2005-11-09 CN CNB2005101157275A patent/CN100362290C/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1248196A (en) * | 1969-02-04 | 1971-09-29 | Coutisson Sa Atel | Boiler |
| JPS61280343A (en) * | 1985-06-03 | 1986-12-10 | Takanobu Ishibashi | Multi-stage water heater |
| EP0264907A2 (en) * | 1986-10-21 | 1988-04-27 | Josef Geisler | Boiler for fluid fuels |
| CN2055908U (en) * | 1989-10-17 | 1990-04-11 | 乔庆 | Semi-gas dual-purpose stove for cooking and warming |
| CN2110799U (en) * | 1991-11-09 | 1992-07-22 | 孙首泉 | Water heating stove for high-frigid zone |
| CN2562074Y (en) * | 2002-08-21 | 2003-07-23 | 张祥文 | Burners |
| CN2621260Y (en) * | 2003-05-09 | 2004-06-23 | 张祥文 | Coal-fired vaporization gas making burner |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1769810A (en) | 2006-05-10 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102266114B (en) | Airflow descending dense curing barn having brick-concrete structure | |
| CN100362290C (en) | Environment-friendly energy-saving heating stove | |
| CN208735618U (en) | A kind of novel segmentation low nitrogen combustion apparatus | |
| CN103423775A (en) | Biomass semi-gasification furnace | |
| CN203757694U (en) | Energy reservation, emission reduction and efficient combustion biomass boiler | |
| CN202561725U (en) | Energy-saving and environment-protection boiler | |
| CN203478344U (en) | Multi-return-stroke reverse combustion heating furnace | |
| CN204648206U (en) | Horizontal double-deck water pipe furnace grate many backhauls water bath dust-removing flashback coal burning boiler | |
| CN204534668U (en) | A kind of cooking and heating furnace | |
| CN201228992Y (en) | Flue rotating energy-saving boiler | |
| CN110762557A (en) | Coal stove | |
| CN206191644U (en) | Coal -fired kitchen of multipurpose environmental protection | |
| CN204358948U (en) | A kind of second-time burning heating stove | |
| CN210717661U (en) | Oxygen supply device and stove core with same | |
| CN103486620A (en) | Dust-free, environment-friendly, energy-saving, efficient, safe and accident-free civil heating stove | |
| CN209147149U (en) | Counter-combustion coal stove and its secondary air-distributing device | |
| CN109798512A (en) | A kind of coal gas conversion energy-conserving environment-protection boiler | |
| CN201449007U (en) | A turn-back flow coal burning hot air furnace | |
| CN106247615B (en) | Double-fuel boiler | |
| CN209960543U (en) | Firewood stove inner sleeve with multiple combustion chambers | |
| CN108895435A (en) | Energy-saving, environmental protection boiler | |
| CN205137544U (en) | Cooking heating stove with water pipe heat exchanger | |
| CN103629813A (en) | Coal hot air furnace | |
| CN207990598U (en) | A kind of air-supply structure of chain grate furnace | |
| CN215863532U (en) | Novel firewood 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 | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080116 Termination date: 20101109 |