CN212691735U - Rice husk carbon gasification secondary combustion chamber flue gas boiler - Google Patents
Rice husk carbon gasification secondary combustion chamber flue gas boiler Download PDFInfo
- Publication number
- CN212691735U CN212691735U CN202021477301.0U CN202021477301U CN212691735U CN 212691735 U CN212691735 U CN 212691735U CN 202021477301 U CN202021477301 U CN 202021477301U CN 212691735 U CN212691735 U CN 212691735U
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- China
- Prior art keywords
- water
- flue gas
- carbonization furnace
- fixed
- combustion chamber
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- Expired - Fee Related
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- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 title claims abstract description 47
- 239000003546 flue gas Substances 0.000 title claims abstract description 46
- 238000002485 combustion reaction Methods 0.000 title claims abstract description 39
- 235000007164 Oryza sativa Nutrition 0.000 title claims abstract description 22
- 235000009566 rice Nutrition 0.000 title claims abstract description 22
- 239000010903 husk Substances 0.000 title claims abstract description 21
- 238000002309 gasification Methods 0.000 title claims abstract description 19
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title abstract description 8
- 229910052799 carbon Inorganic materials 0.000 title abstract description 8
- 240000007594 Oryza sativa Species 0.000 title 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 74
- 238000003763 carbonization Methods 0.000 claims abstract description 55
- 241000209094 Oryza Species 0.000 claims abstract description 21
- 239000000463 material Substances 0.000 claims abstract description 9
- 238000007670 refining Methods 0.000 claims description 28
- 241000005139 Lycium andersonii Species 0.000 claims description 23
- 238000001816 cooling Methods 0.000 claims description 13
- 239000000498 cooling water Substances 0.000 claims description 10
- 239000003610 charcoal Substances 0.000 claims description 7
- 238000009434 installation Methods 0.000 claims description 6
- 238000000034 method Methods 0.000 claims 1
- 239000007789 gas Substances 0.000 abstract description 8
- 238000007599 discharging Methods 0.000 abstract description 6
- 239000000428 dust Substances 0.000 abstract description 5
- 239000002028 Biomass Substances 0.000 description 4
- 239000002994 raw material Substances 0.000 description 4
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 239000011449 brick Substances 0.000 description 1
- 229910002091 carbon monoxide Inorganic materials 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 125000004435 hydrogen atom Chemical class [H]* 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000007790 scraping Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E50/00—Technologies for the production of fuel of non-fossil origin
- Y02E50/10—Biofuels, e.g. bio-diesel
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- Solid-Fuel Combustion (AREA)
Abstract
The utility model relates to a rice husk carbon gasification secondary combustion chamber flue gas boiler, wherein a bracket is fixed with an outer barrel of a carbonization furnace, a water jacket type inner barrel of the carbonization furnace is fixed in the outer barrel of the carbonization furnace, and a first water inlet and outlet interface is arranged on the inner barrel; the upper end of the inner cylinder is fixed with a closed top cover, the closed top cover is fixed with a feed hopper, a conical spoke type ash tray is installed below the inner cylinder of the carbonization furnace, a material rack is fixed in the outer cylinder of the carbonization furnace below the ash tray, a water jacket type ash bucket is fixed at the lower end of the outer cylinder of the carbonization furnace, a second water inlet and outlet interface is installed on the ash bucket, a flue gas outlet joint of the outer cylinder of the carbonization furnace, a cyclone dust collector, an induced draft fan and a combustor are connected through a flue gas pipeline, and a flue gas outlet is formed in the side wall of a secondary combustion chamber. The utility model improves the ash discharging effect and is not easy to block; the temperature of the rice husk carbon is reduced, and the temperature of the gas outlet can be ensured while the ash tray is not deformed due to overhigh temperature in the furnace body.
Description
Technical Field
The utility model relates to a flue gas boiler, in particular to a rice husk and charcoal gasification secondary combustion chamber flue gas boiler.
Background
At present, a conventional rice husk carbon gasification secondary combustion chamber flue gas boiler adopts a flat ash tray structure, so that the phenomenon of perforation is easy to occur, the blockage is easy to occur, and the ash discharging effect is poor; the conventional rice husk carbon gasification secondary combustion chamber flue gas boiler adopts an ash discharging and scraping mechanism without a cooling system, so that the temperature of the rice husk carbon is higher; the inner cylinders of the gasification furnace and the gasification furnace are both made of refractory bricks, and have no water jacket structure, so that the ash tray is deformed due to overhigh temperature in the furnace.
Disclosure of Invention
The utility model aims at overcoming the defects existing in the prior art and providing a rice husk charcoal gasification secondary combustion chamber flue gas boiler which can improve the ash discharging effect, reduce the temperature of rice husk charcoal and prolong the service life of an ash tray.
According to the technical scheme provided by the utility model, the rice husk charcoal gasification secondary combustion chamber flue gas boiler comprises a bracket and a secondary combustion chamber; an outer barrel of the carbonization furnace is fixed on the bracket, an inner barrel of the water-jacket type carbonization furnace is fixed in the outer barrel of the carbonization furnace, a first water inlet interface and a first water outlet interface are mounted on the inner barrel of the water-jacket type carbonization furnace, and the first water inlet interface is positioned below the first water outlet interface;
a closed top cover is fixed at the upper end part of the inner cylinder of the water-jacket type carbonization furnace, a feed hopper is fixed on the closed top cover, a conical spoke type ash tray is rotatably installed below the inner cylinder of the water-jacket type carbonization furnace, a material rack is fixed in the outer cylinder of the carbonization furnace below the conical spoke type ash tray, a water-jacket type ash bucket is fixed at the lower end part of the outer cylinder of the carbonization furnace, the closed carbonization furnace is formed by combining the outer cylinder of the carbonization furnace, the inner cylinder of the water-jacket type carbonization furnace, the closed top cover and the water-jacket type ash bucket, a second water inlet interface and a second water outlet interface are installed on the water-jacket type ash bucket, the second water inlet interface is positioned below the second water outlet interface, a flue gas outlet joint is fixed on the outer cylinder of the carbonization furnace, the flue gas outlet joint is connected into a flue gas inlet of a cyclone dust collector through a flue gas pipeline, a flue gas outlet of a draught fan is connected into a flue gas inlet, the burner is fixed on the side wall of the secondary combustion chamber, and a flue gas outlet is formed in the side wall of the secondary combustion chamber opposite to the burner.
Preferably, the bottom angle beta degree of the conical spoke type ash tray is 5-15 degrees. Further preferably, the bottom angle β degree of the conical spoke type ash tray is 10 °.
Preferably, a combustion fan is connected to the burner.
Preferably, a screw conveyor arranged obliquely upwards is connected to the ash outlet of the water jacket type ash bucket, the outer shell of the screw conveyor is of a water jacket type structure, and a related fan is installed at the ash outlet of the screw conveyor.
Preferably, a hydraulic outer sleeve and a hydraulic station are fixed on the closed top cover, a hydraulic inner sleeve is slidably mounted in the hydraulic outer sleeve, a mounting frame is fixed at the upper end of the hydraulic inner sleeve, a refining motor is fixed on the mounting frame, a refining frame mounting shaft extending downwards into the inner cylinder of the water jacket type carbonization furnace is fixed on an output shaft of the refining motor, and a refining frame is fixed at the lower end of the refining frame mounting shaft; under the drive of the hydraulic station, the hydraulic inner sleeve can do lifting motion in the hydraulic outer sleeve, and under the drive of the refining motor, the refining frame can do rotary motion. Further preferably, the mounting shaft of the refining frame and the inner cylinder of the water jacket type carbonization furnace are coaxially arranged.
Preferably, the cooling tower further comprises a cooling tower, a water tank and a water pump, the water pump is installed on the cooling water outlet pipe, the cooling water outlet pipe is connected to the second water inlet interface, the second water outlet interface is connected to the first water inlet interface through a pipeline, the first water outlet interface is connected with a water return pipe, the water return pipe is connected to the water inlet interface of the cooling tower, and the water outlet interface of the cooling tower is connected to the water tank through a pipeline.
The utility model not only improves the ash discharging effect, but also is not easy to block; the utility model discloses reduced rice husk charcoal temperature and guaranteed the temperature of gas outlet when guaranteeing that the furnace body internal temperature can not too high and cause the ash tray to warp.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a perspective view of the cone-shaped spoke type ash tray of the present invention.
Fig. 3 is a top view of the material frame of the present invention.
Detailed Description
The present invention will be further described with reference to the following specific embodiments.
The utility model discloses a rice husk charcoal gasification secondary combustion chamber flue gas boiler, which comprises a bracket 1 and a secondary combustion chamber 2; a carbonization furnace outer cylinder 3 is fixed on the bracket 1, a water jacket type carbonization furnace inner cylinder 4 is fixed in the carbonization furnace outer cylinder 3, a first water inlet interface and a first water outlet interface are arranged on the water jacket type carbonization furnace inner cylinder 4, and the first water inlet interface is positioned below the first water outlet interface;
a closed top cover 5 is fixed at the upper end part of the inner cylinder 4 of the water-jacket type carbonization furnace, a feed hopper 6 is fixed on the closed top cover 5, a conical spoke type ash tray 7 is rotatably installed below the inner cylinder 4 of the water-jacket type carbonization furnace, a material rack 8 is fixed in the outer cylinder 3 of the carbonization furnace below the conical spoke type ash tray 7, a water-jacket type ash bucket 9 is fixed at the lower end part of the outer cylinder 3 of the carbonization furnace, the closed carbonization furnace formed by combining the outer cylinder 3 of the carbonization furnace, the inner cylinder 4 of the water-jacket type carbonization furnace, the closed top cover 5 and the water-jacket type ash bucket 9 is provided with a second water inlet interface and a second water outlet interface on the water-jacket type ash bucket 9, the second water inlet interface is positioned below the second water outlet interface, a flue gas outlet joint is fixed on the outer cylinder 3 of the carbonization furnace, the flue gas outlet joint is connected to the flue gas inlet of the cyclone dust collector 10 through a flue gas pipeline, the flue gas outlet, the gas outlet of draught fan 11 passes through the gas inlet of pipeline access combustor 12, and combustor 12 is fixed in on the lateral wall of second combustion chamber 2, seted up the gas outlet on the lateral wall of second combustion chamber 2 relative with combustor 12.
The bottom angle beta degree of the conical spoke type ash tray 7 is 10 degrees.
A combustion fan 13 is connected to the combustor 12.
The ash outlet of the water jacket type ash bucket 9 is connected with a spiral conveyor 14 which is obliquely and upwards arranged, the outer shell of the spiral conveyor 14 is of a water jacket type structure and can be connected with cooling water for cooling, and a related fan 15 is arranged at the ash outlet of the spiral conveyor 14.
A hydraulic outer sleeve and a hydraulic station 16 are fixed on the closed top cover 5, a hydraulic inner sleeve is slidably mounted in the hydraulic outer sleeve, a mounting frame is fixed at the upper end of the hydraulic inner sleeve, a refining motor 17 is fixed on the mounting frame, a refining frame mounting shaft extending downwards into the inner cylinder 4 of the water jacket type carbonization furnace is fixed on an output shaft of the refining motor 17, and a refining frame 18 is fixed at the lower end of the refining frame mounting shaft; the hydraulic inner sleeve can do lifting motion in the hydraulic outer sleeve under the drive of the hydraulic station 16, and the refining frame 18 can do rotary motion under the drive of the refining motor 17.
The mounting shaft of the refining frame and the inner cylinder 4 of the water jacket type carbonization furnace are coaxially arranged.
Still include cooling tower 19, pond 20 and water pump 21, install water pump 21 on the cooling water outlet pipe, the cooling water outlet pipe inserts the second interface of intaking, and the second goes out the water interface and inserts first interface of intaking through the pipeline, is connected with the wet return on the first interface of intaking, and the wet return inserts the interface of intaking of cooling tower 19, and the play water interface of cooling tower 19 passes through the pipeline and inserts pond 20.
The utility model discloses in, the cooling water can also be inserted respectively to first interface of intaking and second interface of intaking, forms parallel cooling water access structure.
During operation, biomass raw materials such as rice hulls are conveyed to the feed hopper 6 through the feeding system and then enter the closed carbonization furnace, before ignition is not performed, the biomass raw materials are flatly laid on the material rack 8 and the conical spoke type ash tray 7, after ignition, the conical spoke type ash tray 7 starts to rotate, and in an inner closed space of the carbonization furnace, the biomass raw materials are decomposed into volatile combustible gas under the conditions of high temperature and anoxic combustion after heating, and high-temperature combustible gas such as carbon monoxide, hydrogen, methane and the like is generated.
Hydraulic pressure outer tube and hydraulic pressure station 16 on closed top cap 5, slidable mounting has interior sleeve pipe of hydraulic pressure in the hydraulic pressure outer tube, the upper end of the interior sleeve pipe of hydraulic pressure is fixed with the mounting bracket, be fixed with refining motor 17 on the mounting bracket, the refining frame installation axle in the shell type retort inner tube 4 of stretching into downwards is fixed with at the output shaft of refining motor 17, lower tip at refining frame installation axle is fixed with refining frame 18 under the drive of hydraulic pressure station 16, refining frame 18 begins the oscilaltion and is done the swivel work under the drive of refining motor 17, constantly stir biomass feedstock in the combustion process, the burning is more abundant even.
The middle part of the carbonization furnace is provided with the conical spoke type ash tray 7, the bottom angle beta degree of the conical spoke type ash tray 7 is 10 degrees, and the system works under the power of the ash tray motor 22, so that the ash discharging effect of the system is better, and the blockage can not occur.
A screw conveyor 14 is arranged at an ash outlet of the water-jacket type ash hopper 9 and can convey waste such as carbon generated by combustion out of the system, and a related fan 15 is arranged at the ash outlet of the screw conveyor 14. In order to prevent the over-high temperature of the 2 carbonization furnaces in the combustion process, the utility model discloses a water jacket type carbonization furnace inner cylinder 4 and water jacket type ash bucket 9 connect 11 cooling towers and 12 water pumps. High-temperature flue gas generated by the combustion of raw materials in the carbonization furnace is conveyed to the cyclone dust collector 10 through a flue gas pipeline for dust removal. Clean flue gas is transmitted combustor 12 under the effect of high temperature draught fan 11, carries out secondary high temperature burning in second combustion chamber 2 inside at last, produces the flue gas that the temperature is about 1100 ℃, and the flue gas passes through the exhanst gas outlet and transmits the boiler for the user uses, and combustor 12 is furnished with combustion fan 13 of certain power.
The system can better remove impurities such as tar generated by combustion, so that the combustion effect in the secondary combustion chamber 2 is better, and the temperature of the generated flue gas is higher.
Claims (8)
1. A rice husk charcoal gasification secondary combustion chamber flue gas boiler comprises a bracket (1) and a secondary combustion chamber (2); an outer barrel (3) of the carbonization furnace is fixed on the bracket (1), an inner barrel (4) of the water-jacket type carbonization furnace is fixed in the outer barrel (3) of the carbonization furnace, a first water inlet interface and a first water outlet interface are arranged on the inner barrel (4) of the water-jacket type carbonization furnace, and the first water inlet interface is positioned below the first water outlet interface;
the method is characterized in that: a closed top cover (5) is fixed at the upper end part of an inner cylinder (4) of the water-jacket type carbonization furnace, a feed hopper (6) is fixed on the closed top cover (5), a conical spoke type ash tray (7) is rotatably installed below the inner cylinder (4) of the water-jacket type carbonization furnace, a material rack (8) is fixed in an outer cylinder (3) of the carbonization furnace below the conical spoke type ash tray (7), a water-jacket type ash bucket (9) is fixed at the lower end part of the outer cylinder (3) of the carbonization furnace, the closed carbonization furnace is formed by combining the outer cylinder (3) of the carbonization furnace, the inner cylinder (4) of the water-jacket type carbonization furnace, the closed top cover (5) and the water-jacket type ash bucket (9), a second water inlet and a second water outlet are installed on the water-jacket type ash bucket (9), the second water inlet is positioned below the second water outlet, a flue gas outlet joint is fixed on the outer cylinder (3) of the carbonization furnace, and is connected to a flue gas inlet of a cyclone (10, the flue gas outlet of cyclone (10) passes through the flue gas inlet of pipeline access draught fan (11), and the flue gas outlet of draught fan (11) passes through the flue gas inlet of pipeline access combustor (12), and combustor (12) are fixed in on the lateral wall of second combustion chamber (2), seted up the flue gas outlet on the lateral wall of second combustion chamber (2) relative with combustor (12).
2. The rice husk char gasification secondary combustion chamber flue gas boiler as claimed in claim 1, characterized in that: the bottom angle beta degree of the conical spoke type ash tray (7) is 5-15 degrees.
3. The rice husk char gasification secondary combustion chamber flue gas boiler as claimed in claim 2, characterized in that: the bottom angle beta degree of the conical spoke type ash tray (7) is 10 degrees.
4. The rice husk char gasification secondary combustion chamber flue gas boiler as claimed in claim 1, characterized in that: a combustion-supporting fan (13) is connected to the combustor (12).
5. The rice husk char gasification secondary combustion chamber flue gas boiler as claimed in claim 1, characterized in that: the ash outlet of the water jacket type ash bucket (9) is connected with a spiral conveyor (14) which is obliquely and upwards arranged, the shell of the spiral conveyor (14) is of a water jacket type structure, and a related fan (15) is arranged at the ash outlet of the spiral conveyor (14).
6. The rice husk char gasification secondary combustion chamber flue gas boiler as claimed in claim 1, characterized in that: a hydraulic outer sleeve and a hydraulic station (16) are fixed on the closed top cover (5), a hydraulic inner sleeve is slidably mounted in the hydraulic outer sleeve, an installation frame is fixed at the upper end of the hydraulic inner sleeve, a refining motor (17) is fixed on the installation frame, a refining frame installation shaft extending downwards into the inner cylinder (4) of the water jacket type carbonization furnace is fixed on an output shaft of the refining motor (17), and a refining frame (18) is fixed at the lower end of the refining frame installation shaft; the hydraulic inner sleeve can do lifting motion in the hydraulic outer sleeve under the driving of the hydraulic station (16), and the material homogenizing frame (18) can do rotating motion under the driving of the material homogenizing motor (17).
7. The rice husk char gasification secondary combustion chamber flue gas boiler as claimed in claim 6, wherein: the mounting shaft of the material homogenizing frame and the inner cylinder (4) of the water sleeve type carbonization furnace are coaxially arranged.
8. The rice husk char gasification secondary combustion chamber flue gas boiler as claimed in claim 1, characterized in that: the cooling water inlet device is characterized by further comprising a cooling tower (19), a water tank (20) and a water pump (21), the water pump (21) is installed on the cooling water outlet pipe, the cooling water outlet pipe is connected to a second water inlet connector, the second water outlet connector is connected to a first water inlet connector through a pipeline, a water return pipe is connected to the first water outlet connector, the water return pipe is connected to a water inlet connector of the cooling tower (19), and a water outlet connector of the cooling tower (19) is connected to the water tank (20) through a pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021477301.0U CN212691735U (en) | 2020-07-23 | 2020-07-23 | Rice husk carbon gasification secondary combustion chamber flue gas boiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021477301.0U CN212691735U (en) | 2020-07-23 | 2020-07-23 | Rice husk carbon gasification secondary combustion chamber flue gas boiler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212691735U true CN212691735U (en) | 2021-03-12 |
Family
ID=74899857
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021477301.0U Expired - Fee Related CN212691735U (en) | 2020-07-23 | 2020-07-23 | Rice husk carbon gasification secondary combustion chamber flue gas boiler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212691735U (en) |
-
2020
- 2020-07-23 CN CN202021477301.0U patent/CN212691735U/en not_active Expired - Fee Related
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| 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: 20210312 |
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| CF01 | Termination of patent right due to non-payment of annual fee |