CN214891068U - Exhaust-heat boiler that energy utilization efficiency is high for active carbon production - Google Patents
Exhaust-heat boiler that energy utilization efficiency is high for active carbon production Download PDFInfo
- Publication number
- CN214891068U CN214891068U CN202120617837.6U CN202120617837U CN214891068U CN 214891068 U CN214891068 U CN 214891068U CN 202120617837 U CN202120617837 U CN 202120617837U CN 214891068 U CN214891068 U CN 214891068U
- Authority
- CN
- China
- Prior art keywords
- pipeline
- fixedly connected
- reaction box
- wall
- waste heat
- 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
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 34
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 22
- 229910052799 carbon Inorganic materials 0.000 title claims abstract description 10
- 238000006243 chemical reaction Methods 0.000 claims abstract description 55
- 239000007789 gas Substances 0.000 claims abstract description 50
- 239000002918 waste heat Substances 0.000 claims abstract description 47
- 230000005540 biological transmission Effects 0.000 claims abstract description 44
- 238000010438 heat treatment Methods 0.000 claims abstract description 12
- 230000017525 heat dissipation Effects 0.000 claims abstract description 10
- 230000004888 barrier function Effects 0.000 claims abstract description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 17
- 238000007789 sealing Methods 0.000 claims description 5
- 238000009413 insulation Methods 0.000 claims description 3
- 238000002955 isolation Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 19
- 241000883990 Flabellum Species 0.000 abstract description 5
- 239000002699 waste material Substances 0.000 abstract description 5
- 238000005516 engineering process Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 6
- 230000009471 action Effects 0.000 description 4
- 238000005192 partition Methods 0.000 description 4
- 238000002485 combustion reaction Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000001994 activation Methods 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000010030 laminating Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004913 activation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000005570 vertical transmission Effects 0.000 description 1
Images
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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
Landscapes
- Carbon And Carbon Compounds (AREA)
Abstract
The utility model discloses a waste heat boiler that energy utilization efficiency is high for active carbon production relates to active carbon production processing technology field, including waste heat furnace body, inlet channel, reaction box, gas transmission pipeline, discharge pipe, heating pipeline, tail gas input pipeline, air input pipeline, fire barrier, transmission shaft, check valve, heat-conducting plate, heat dissipation pole and gas transmission through-hole. This practicality is through setting up the transmission shaft, check valve and first flabellum have played the effect that improves energy utilization efficiency, the motive force of usable steam mixes tail gas and air, fully burn, and then improve the tail gas temperature, finally reached the purpose that promotes production efficiency, need not to consume the extra energy, convenience and practicality, the effect preferred, still play the effect that further improves energy utilization efficiency through setting up heat-conducting plate and radiating rod, can utilize the high temperature that produces because the burning at reaction box inner wall top, the waste of energy has been reduced, and is green.
Description
Technical Field
The utility model relates to an active carbon production and processing technology field specifically is an exhaust-heat boiler that energy utilization efficiency is high for active carbon production.
Background
At present, 0.2MPa-0.4MPa saturated steam is needed to be used in the production of activated carbon, the current common method is to utilize tail gas generated in the activation process as a heat source to enable a waste heat boiler to generate steam, and then the tail gas is used in the production, the main principle of the waste heat boiler is to introduce the tail gas into each section of flue inside and heat water to generate steam, and the tail gas generated by the current activation has combustible gas, small-particle carbon and other incomplete combustion objects, so that the tail gas is not fully utilized by the waste heat boiler.
At present, the traditional waste heat boiler for producing the activated carbon has lower energy utilization efficiency and can not utilize incompletely combusted substances contained in tail gas, so that the waste is caused along with the emission of the tail gas, and the waste heat boiler is not energy-saving and environment-friendly enough.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an exhaust-heat boiler that energy utilization efficiency is high for the active carbon production to solve the problem that proposes in the above-mentioned background art.
In order to solve the technical problem, the utility model provides a following technical scheme: a waste heat boiler with high energy utilization efficiency for producing activated carbon comprises a waste heat furnace body, wherein a water inlet pipeline is arranged on one side of the outer wall of the waste heat furnace body, a reaction box is fixedly connected to the bottom of the waste heat furnace body, a gas transmission pipeline is fixedly connected to the bottom of the waste heat furnace body on the inner side of the reaction box, a discharge pipeline is fixedly connected to one side of the top of the waste heat furnace body, a steam transmission pipeline is fixedly connected to one side of the outer wall of the waste heat furnace body, one end of the steam transmission pipeline, far away from the waste heat furnace body, is fixedly connected to one side of the outer wall of the reaction box, a heating pipeline matched with the steam transmission pipeline is fixedly connected between two sides of the inner wall of the reaction box, a steam output pipeline matched with the heating pipeline is fixedly connected to one side of the outer wall of the reaction box, below the steam transmission pipeline, is fixedly connected with a tail gas input pipeline, an air input pipeline is fixedly connected to one side of the outer wall of the reaction box below the steam output pipeline, the inner wall of the reaction box is fixedly connected with fireproof partition plates at two sides of the gas transmission pipeline, one side of the outer wall of each fireproof partition plate is provided with a plurality of gas transmission through holes, a transmission shaft which is rotatably connected is vertically arranged between the adjacent outer walls of the steam output pipeline and the air input pipeline, the top of the transmission shaft extends to the inner side of the steam output pipeline and is fixedly connected with a first fan blade, the bottom of the transmission shaft extends to the inner side of the air input pipeline and is fixedly connected with a second fan blade, one side of the air input pipeline, which is close to the inner wall of the reaction box, is fixedly connected with a one-way valve, the top of the inner wall of the reaction box is fixedly connected with a heat-conducting plate, the heat-conducting plate is located between the adjacent outer walls of the fireproof partition plates, the top of the heat-conducting plate is fixedly connected with a plurality of heat dissipation rods, and the tops of the heat dissipation rods extend to the inner side of the waste heat furnace body.
Further, outer wall one side of reaction box is equipped with the backup pad with transmission shaft assorted, during the use, the transmission shaft rotates with the backup pad to be connected, and it plays the effect that improves transmission shaft motion stability.
Furthermore, one side of the inside of the reaction box is provided with a heat insulation plate, and when the reactor is used, the heat insulation plate isolates the temperature inside the reaction box, so that the heat loss is reduced, and the energy utilization efficiency is improved.
Furthermore, the top of the reaction box is provided with a movable through groove matched with the gas pipeline, and when the reaction box is used, the gas pipeline extends into the reaction box through the movable through groove, so that the reaction box has the effect of facilitating installation.
Furthermore, an isolation valve is arranged on the outer wall of the water inlet pipeline, and when the steam-water separator is used, the isolation valve is rotated to control the opening and closing of the water inlet pipeline, so that the steam-water separator has the function of avoiding steam leakage through the water inlet pipeline.
Further, the inner wall bottom fixedly connected with of waste heat stove body and heat dissipation rod assorted sealing gasket, during the use, heat dissipation rod and sealing gasket keep closely laminating, and it plays the effect that improves waste heat stove body gas tightness.
Compared with the prior art, the utility model discloses the beneficial effect who reaches is:
1. this exhaust-heat boiler that energy utilization efficiency is high for active carbon production has played the effect that improves energy utilization efficiency through setting up transmission shaft, check valve, steam conveying pipeline and first flabellum, and the motive force of usable steam mixes tail gas and air, carries out abundant burning, and then improves the tail gas temperature, has finally reached the purpose that promotes production efficiency, need not to consume the extra energy, convenient and practical, the effect preferred.
2. This exhaust-heat boiler that energy utilization efficiency is high for activated carbon production has played the effect that further improves energy utilization efficiency through setting up heat-conducting plate and heat dissipation rod, can utilize the high temperature that produces because the burning to reaction box inner wall top, has reduced the waste of energy, green.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:
FIG. 1 is a front sectional view of the present invention;
FIG. 2 is an enlarged schematic view of the present invention at A in FIG. 1;
FIG. 3 is an enlarged schematic view of the present invention at B of FIG. 1;
fig. 4 is a schematic structural diagram of the heat-conducting plate of the present invention.
In the figure: 1. a waste heat furnace body; 2. a water inlet pipe; 3. a reaction box; 4. a gas pipeline; 5. a discharge conduit; 6. a steam delivery conduit; 7. heating the pipeline; 8. a steam output pipe; 9. a tail gas input pipeline; 10. an air input duct; 11. a fire barrier; 12. a drive shaft; 13. a first fan blade; 14. a second fan blade; 15. a one-way valve; 16. a heat conducting plate; 17. a heat dissipation rod; 18. and the air transmission through hole.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in fig. 1-3, a waste heat boiler with high energy utilization efficiency for producing activated carbon comprises a waste heat furnace body 1, a water inlet pipeline 2 is arranged on one side of the outer wall of the waste heat furnace body 1, a reaction box 3 is fixedly connected to the bottom of the waste heat furnace body 1, a gas transmission pipeline 4 is fixedly connected to the bottom of the waste heat furnace body 1 on the inner side of the reaction box 3, a discharge pipeline 5 is fixedly connected to one side of the top of the waste heat furnace body 1, a steam transmission pipeline 6 is fixedly connected to one side of the outer wall of the waste heat furnace body 1, one end of the steam transmission pipeline 6 far away from the waste heat furnace body 1 is fixedly connected to one side of the outer wall of the reaction box 3, a heating pipeline 7 matched with the steam transmission pipeline 6 is fixedly connected between two sides of the inner wall of the reaction box 3, and one side of the outer wall of the reaction box 3 far away from the steam transmission pipeline 6 is fixedly connected to a steam output pipeline 8 matched with the heating pipeline 7, outer wall one side of reaction box 3 is in 6 below fixedly connected with tail gas input pipeline 9 of steam delivery pipeline, outer wall one side of reaction box 3 is in 8 below fixedly connected with air input pipeline 10 of steam output pipeline, the inner wall of reaction box 3 is in 4 both sides fixedly connected with fire barrier 11 of gas transmission pipeline, outer wall one side of fire barrier 11 is equipped with a plurality of gas transmission through-hole 18, the vertical transmission shaft 12 that rotates the connection that is equipped with between the adjacent outer wall of steam output pipeline 8 and air input pipeline 10, the top of transmission shaft 12 extends to the first flabellum 13 of 8 inboard fixedly connected with of steam output pipeline, the bottom of transmission shaft 12 extends to the inboard fixedly connected with second flabellum 14 of air input pipeline 10, air input pipeline 10 is close to inner wall one side fixedly connected with check valve 15 of reaction box 3.
One side of the outer wall of the reaction box 3 is provided with a supporting plate matched with the transmission shaft 12, and when the device is used, the transmission shaft 12 is rotatably connected with the supporting plate and plays a role in improving the motion stability of the transmission shaft 12.
The inside one side of reaction box 3 is equipped with the thermal-insulated board, during the use, the thermal-insulated board is isolated to the inside temperature of reaction box 3, and it plays and reduces heat and loses, improves energy utilization efficiency's effect.
The top of reaction box 3 is equipped with and leads to the groove with gas transmission pipeline 4 assorted activity, and during the use, gas transmission pipeline 4 passes through the groove and stretches into inside reaction box 3 that leads to of activity, and it plays the effect of being convenient for install.
The isolating valve is arranged on the outer wall of the water inlet pipeline 2, and when the water inlet pipeline is used, the isolating valve is rotated to control the opening and closing of the water inlet pipeline 2, so that the effect of avoiding steam leakage through the water inlet pipeline 2 is achieved.
The implementation mode is specifically as follows: when the waste heat recovery device is used, firstly tail gas generated by activated carbon enters the reaction box 3 through the tail gas input pipeline 9, then enters a combustion cavity formed by the two fireproof clapboards 11 from the gas transmission through hole 18, then enters the waste heat furnace body 1 through the gas transmission pipeline 4 after baking the heating pipeline 7, at the moment, water in the waste heat furnace body 1 forms steam under the action of waste heat of the tail gas, the utilized tail gas is discharged from the waste heat furnace body 1 through the discharge pipeline 5, at the moment, the steam enters the heating pipeline 7 through the steam conveying pipeline 6, at the moment, the heating pipeline 7 further increases the temperature of the steam under the heating of the tail gas, and then is collected through the steam output pipeline 8, in the process, the steam pushes the first fan blade 13 to rotate in the steam output pipeline 8, the first fan blade 13 drives the transmission shaft 12 to rotate, the transmission shaft 12 drives the second fan blade 14 to rotate, second flabellum 14 rotates and forms the air current in air input pipeline 10, when the atmospheric pressure of air current is greater than the inside atmospheric pressure of reaction box 3, check valve 15 is opened, air input pipeline 10 begins to the inside air supply of reaction box 3 this moment, then the unburned thing in the tail gas is lighted, the temperature of tail gas further improves, and the fire barrier 11 of both sides carries out the separation to the naked light, the effect of improving energy utilization efficiency has been played through the structure more than setting up, the propulsion of usable steam mixes tail gas and air, fully burn, and then improve the tail gas temperature, finally reached the purpose that promotes production efficiency, need not to consume the extra energy, convenience and practicality, the effect preferred.
As shown in fig. 1 and 4, the high-energy-utilization-efficiency waste heat boiler for the production of activated carbon further comprises a heat-conducting plate 16 fixedly connected to the top of the inner wall of the reaction box 3, the heat-conducting plate 16 is located between the adjacent outer walls of the fireproof partition plates 11, a plurality of heat-radiating rods 17 fixedly connected to the top of the heat-conducting plate 16, and the tops of the heat-radiating rods 17 extend to the inner side of the waste heat furnace body 1.
The inner wall bottom fixedly connected with of waste heat stove body 1 and cooling rod 17 assorted sealing gasket, during the use, cooling rod 17 keeps closely laminating with sealing gasket, and it plays the effect that improves waste heat stove body 1 gas tightness.
The implementation mode is specifically as follows: during the use, heat-conducting plate 16 transmits the inside heat energy of reaction box 3 to heat dissipation rod 17, and heat dissipation rod 17 carries heat energy to waste heat stove body 1 inside afterwards, heats the inside water of waste heat stove body 1, has played the effect that further improves energy utilization efficiency through the structure more than setting up, can utilize the high temperature that produces owing to burn at the top of the inner wall of reaction box 3, has reduced the waste of energy, green.
The utility model discloses a theory of operation:
referring to the attached drawings 1-3 of the specification, the transmission shaft 12, the check valve 15, the steam conveying pipeline 6 and the first fan blade 13 are arranged to improve the energy utilization efficiency, tail gas and air are mixed by the aid of the pushing force of steam, the tail gas is fully combusted, the temperature of the tail gas is further improved, the purpose of improving production efficiency is finally achieved, extra energy is not required to be consumed, and the novel energy-saving steam-driven generator is convenient and practical and has a good effect.
Furthermore, referring to the attached drawings 1 and 4 of the specification, the heat conducting plate 16 and the heat radiating rod 17 are arranged to further improve the energy utilization efficiency, so that high temperature generated by combustion at the top of the inner wall of the reaction box 3 can be utilized, the energy waste is reduced, and the environment is protected.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. The utility model provides a waste heat boiler that energy utilization efficiency is high for active carbon production, includes waste heat stove body (1), its characterized in that: a water inlet pipeline (2) is arranged on one side of the outer wall of the waste heat furnace body (1), a reaction box (3) is fixedly connected to the bottom of the waste heat furnace body (1), a gas transmission pipeline (4) is fixedly connected to the inner side of the reaction box (3) at the bottom of the waste heat furnace body (1), a discharge pipeline (5) is fixedly connected to one side of the top of the waste heat furnace body (1), a steam conveying pipeline (6) is fixedly connected to one side of the outer wall of the reaction box (3), one end, far away from the waste heat furnace body (1), of the steam conveying pipeline (6) is fixedly connected to one side of the outer wall of the reaction box (3), a heating pipeline (7) matched with the steam conveying pipeline (6) is fixedly connected between two sides of the inner wall of the reaction box (3), a steam output pipeline (8) matched with the heating pipeline (7) is fixedly connected to one side, far away from the steam conveying pipeline (6), of the reaction box (3), the device is characterized in that a tail gas input pipeline (9) is fixedly connected to one side of the outer wall of the reaction box (3) below the steam conveying pipeline (6), an air input pipeline (10) is fixedly connected to one side of the outer wall of the reaction box (3) below the steam output pipeline (8), fire baffles (11) are fixedly connected to two sides of the gas conveying pipeline (4) on the inner wall of the reaction box (3), a plurality of gas conveying through holes (18) are formed in one side of the outer wall of each fire baffle (11), a transmission shaft (12) in rotating connection is vertically arranged between the adjacent outer walls of the steam output pipeline (8) and the air input pipeline (10), the top of the transmission shaft (12) extends to the first fan blade (13) fixedly connected to the inner side of the steam output pipeline (8), and the bottom of the transmission shaft (12) extends to the second fan blade (14) fixedly connected to the inner side of the air input pipeline (10), air input pipeline (10) are close to inner wall one side fixedly connected with check valve (15) of reaction box (3), the inner wall top fixedly connected with heat-conducting plate (16) of reaction box (3), heat-conducting plate (16) are located between the adjacent outer wall of fire barrier (11), the top fixedly connected with a plurality of radiator-bar (17) of heat-conducting plate (16), the top of radiator-bar (17) extends to waste heat furnace body (1) inboard.
2. The exhaust-heat boiler with high energy utilization efficiency for activated carbon production according to claim 1, characterized in that: and a supporting plate matched with the transmission shaft (12) is arranged on one side of the outer wall of the reaction box (3).
3. The exhaust-heat boiler with high energy utilization efficiency for activated carbon production according to claim 1, characterized in that: and a heat insulation plate is arranged on one side in the reaction box (3).
4. The exhaust-heat boiler with high energy utilization efficiency for activated carbon production according to claim 1, characterized in that: the top of the reaction box (3) is provided with a movable through groove matched with the gas transmission pipeline (4).
5. The exhaust-heat boiler with high energy utilization efficiency for activated carbon production according to claim 1, characterized in that: and an isolation valve is arranged on one side of the outer wall of the water inlet pipeline (2).
6. The exhaust-heat boiler with high energy utilization efficiency for activated carbon production according to claim 1, characterized in that: the bottom of the inner wall of the waste heat furnace body (1) is fixedly connected with a sealing gasket matched with the heat dissipation rod (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120617837.6U CN214891068U (en) | 2021-03-26 | 2021-03-26 | Exhaust-heat boiler that energy utilization efficiency is high for active carbon production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120617837.6U CN214891068U (en) | 2021-03-26 | 2021-03-26 | Exhaust-heat boiler that energy utilization efficiency is high for active carbon production |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214891068U true CN214891068U (en) | 2021-11-26 |
Family
ID=78871073
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120617837.6U Expired - Fee Related CN214891068U (en) | 2021-03-26 | 2021-03-26 | Exhaust-heat boiler that energy utilization efficiency is high for active carbon production |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214891068U (en) |
-
2021
- 2021-03-26 CN CN202120617837.6U patent/CN214891068U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108386295A (en) | A kind of integral biomass power generator | |
| CN112460598B (en) | Multi-section coupling system and process for garbage pyrolysis furnace and coal-fired boiler | |
| CN214891068U (en) | Exhaust-heat boiler that energy utilization efficiency is high for active carbon production | |
| CN203412661U (en) | Container type silent power station | |
| CN201066195Y (en) | Horizontal type reverse-combusting coal-firing boiler | |
| CN201437987U (en) | Waste gas incinerator | |
| CN201764676U (en) | Carbonized gas mixed-combustion normal pressure boiler | |
| CN205156330U (en) | High -efficient environmental protection boiler of no smoke and dust | |
| CN201148909Y (en) | Fire coal turbine power device | |
| CN208534620U (en) | A kind of environmental protection generating equipment | |
| CN202470686U (en) | Special drying oven for crop stalks compressed fuel | |
| CN2835885Y (en) | Hot blast coal-saving heating boiler | |
| CN1746589A (en) | Double-purpose and coal-saving boiler with hot air heat and water supply | |
| CN218936653U (en) | Multi-channel cleaning furnace | |
| CN204757367U (en) | Hot -air furnace | |
| CN220205751U (en) | Novel combustor | |
| CN217876458U (en) | Biomass fuel heat storage warm air furnace | |
| CN100485283C (en) | Hot-air heating coal-saving boiler | |
| CN215411895U (en) | Power generation device for waste incineration | |
| CN212362026U (en) | Flue gas circulation oxygen supply system of multi-roller type domestic garbage pyrolysis gas device | |
| CN214009275U (en) | Energy-saving environment-friendly biomass large cooking stove | |
| CN215259938U (en) | High-efficiency gasification furnace for biomass briquette fuel | |
| CN219607103U (en) | Integrated smoke-free environment-friendly boiler for waste incineration continuous kiln | |
| CN220771101U (en) | Biomass stove with automatic feeding structure | |
| CN201429107Y (en) | Energy-saving and environment-friendly coal stove |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211126 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |