CN203703990U - Bubbling fluidized bed incinerator - Google Patents
Bubbling fluidized bed incinerator Download PDFInfo
- Publication number
- CN203703990U CN203703990U CN201420095333.2U CN201420095333U CN203703990U CN 203703990 U CN203703990 U CN 203703990U CN 201420095333 U CN201420095333 U CN 201420095333U CN 203703990 U CN203703990 U CN 203703990U
- Authority
- CN
- China
- Prior art keywords
- air
- incinerator
- heater
- fine sand
- incinerator body
- 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
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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
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/34—Indirect CO2mitigation, i.e. by acting on non CO2directly related matters of the process, e.g. pre-heating or heat recovery
Abstract
A bubbling fluidized bed incinerator comprises an incinerator body (1); the top end of the incinerator body is provided with a flue gas outlet (2); the incinerator wall of a secondary combustion area (3) which is formed on the upper portion of the incinerator body is provided with a group of secondary air inlets (4); the incinerator body is provided with a feeding inlet (5); the middle of the incinerator body is provided with an additional combustor (6); the lower portion of the incinerator body is provided with a protruding air preheating chamber (7); one end of the preheating chamber is provided with a preheater (8); the preheating chamber comprises an air inlet (9); the air preheating chamber is communicated with an air box (10); the upper portion of the air box is provided with a nozzle type gas distribution plate (11); the upper portion of the distribution plate is provided with a fine sand bed (12) with 11 to 18 hole meshes of quartz sand as a carrier; 45 to 55 cm thickness of fine sand is scattered on the fine sand bed; the incinerator body is provided with a slag discharge hole (13). The bubbling fluidized bed incinerator is used for performing sludge incineration.
Description
technical field:
The utility model relates to a kind of bubble type fluidized bed incinerator.
background technology:
The problem that traditional fluidized bed incinerator exists is as follows: one, and burning need to consume a large amount of energy, and energy prices rise steadily, the cost of burning and running cost are all very high; Its two, there is smoke pollution problem, noise, vibrations, heat and radiation and generation become the dioxin contamination problem of environment focus.
utility model content:
The purpose of this utility model is to provide a kind of bubble type fluidized bed incinerator.
Above-mentioned object realizes by following technical scheme:
A kind of bubble type fluidized bed incinerator, its composition comprises: body of heater, be provided with flue gas exhaust mouth on described body of heater top, on the furnace wall of described upper of furnace body intermediate zone, be provided with one group of auxiliary air air inlet, described body of heater is provided with dog-house, described body of heater middle part arranges additional combustion device, described lower portion of furnace body is provided with outstanding air-pre-heating cavity, described preheating cavity one end is provided with preheater, described preheating cavity has air inlet, described air-pre-heating cavity communicates with bellows, described bellows top is provided with nozzle-type gas distribution plate, described distribution plate top is provided with the fine sand bed take 11-18 hole object quartz sand as carrier, on described fine sand bed, be scattered with the fine sand that 45-55cm is thick, described body of heater is provided with slag-drip opening.
Beneficial effect:
In burner hearth of the present utility model, there is the incineration area of 1 suspension.In the time remaining static, in burner hearth, there is 1 thick fine sand bed of 45-55cm to be placed on nozzle-type gas distribution plate, carrier is tens hole object quartz sands, in incinerator operation process, hot-air passes into from lower furnace portion, and pass through distribution plate with certain speed, thereby fine sand bed is " boiling " state, has produced an approximately fluid bed of 1.5～2.0m.The incipient fluidization velocity of fluid bed is 10～20cm/s, and superficial linear velocity in a column is 2～8 times of starting velocity.If when the starting velocity of superficial linear velocity in a column >15 times, the drag-out of carrier is very large, bed layer pressure will reduce simultaneously; If when the starting velocity of superficial linear velocity in a column <1.5 times, be unburned state by incinerated matter, easily form pie, the operation of destruction system.Mud is put into fluid bed from the dog-house of tower side, mud burning rapidly there.Being located immediately at fluidized bed region Shang Lu district is intermediate zone.The characteristic the utlity model has is: in burning process, the heat that in mud, organic matter produces, can be used as contained humidity in mud and evaporate required energy, like this for the intermediate zone of fluid bed, additional combustion chamber has just no longer needed, thereby makes the temperature of fluid bed lower 25～60 ℃ than the outlet temperature of flue gas.In combustion process, excess air ratio is 1.4, in high-temperature region, (>850 ℃) sends into auxiliary air burning, reduce the growing amount of carbon monoxide, imperfect combustion product and precursor, thereby suppress the growing amount of dioxin, the flue gas producing, the temperature range of 850～900 ℃, is discharged from upper furnace.Another characteristic of the present utility model is that its slag of producing in operation process is considerably less, is mainly with a kind of very thin ash-flying dust, is dispersed in flue gas, and its removal is to trap by the electrostatic precipitator after waste heat boiler.
accompanying drawing explanation:
Accompanying drawing 1 is structural representation of the present utility model.
the specific embodiment:
Embodiment 1:
A kind of bubble type fluidized bed incinerator, its composition comprises: body of heater 1, be provided with flue gas exhaust mouth 2 on described body of heater top, on the furnace wall of described upper of furnace body intermediate zone 3, be provided with one group of auxiliary air air inlet 4, described body of heater is provided with dog-house 5, described body of heater middle part arranges additional combustion device 6, described lower portion of furnace body is provided with outstanding air-pre-heating cavity 7, described preheating cavity one end is provided with preheater 8, described preheating cavity has air inlet 9, described air-pre-heating cavity communicates with bellows 10, described bellows top is provided with nozzle-type gas distribution plate 11, described distribution plate top is provided with the fine sand bed 12 take 11-18 hole object quartz sand as carrier, on described fine sand bed, be scattered with the fine sand that 45-55cm is thick, described body of heater is provided with slag-drip opening 13.
Embodiment 2:
Described bubble type fluidized bed incinerator, in combustion process, excess air ratio is 1.4, in high-temperature region, (>850 ℃) sends into auxiliary air burning, reduce the growing amount of carbon monoxide, imperfect combustion product and precursor, thereby suppress the growing amount of dioxin, the flue gas producing is the temperature range of 850～900 ℃, discharge from upper furnace: enter waste heat boiler (saturated vapor of the 9bar producing at this is for the heating of sludge drier), flue gas is cooled to 210 ℃ here simultaneously.The synthetic dioxin such as unburned carbon granules or polycyclic aromatic hydrocarbon are the most remarkable near 300 ℃, therefore this synthetic for preventing, allow deduster low temperature, are down to below 210 ℃ by deduster gasinlet temperature, suppress the generation of dioxin.
Claims (1)
1. a bubble type fluidized bed incinerator, its composition comprises: body of heater, it is characterized in that: be provided with flue gas exhaust mouth on described body of heater top, on the furnace wall of described upper of furnace body intermediate zone, be provided with one group of auxiliary air air inlet, described body of heater is provided with dog-house, described body of heater middle part arranges additional combustion device, described lower portion of furnace body is provided with outstanding air-pre-heating cavity, described preheating cavity one end is provided with preheater, described preheating cavity has air inlet, described air-pre-heating cavity communicates with bellows, described bellows top is provided with nozzle-type gas distribution plate, described distribution plate top is provided with the fine sand bed take 11-18 hole object quartz sand as carrier, on described fine sand bed, be scattered with the fine sand that 45-55cm is thick, described body of heater is provided with slag-drip opening.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420095333.2U CN203703990U (en) | 2014-03-04 | 2014-03-04 | Bubbling fluidized bed incinerator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420095333.2U CN203703990U (en) | 2014-03-04 | 2014-03-04 | Bubbling fluidized bed incinerator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203703990U true CN203703990U (en) | 2014-07-09 |
Family
ID=51054425
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420095333.2U Expired - Fee Related CN203703990U (en) | 2014-03-04 | 2014-03-04 | Bubbling fluidized bed incinerator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203703990U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104566398A (en) * | 2014-12-17 | 2015-04-29 | 兰州有色冶金设计研究院有限公司 | Device and method for treating waste printed circuit boards |
| CN105402708A (en) * | 2015-11-10 | 2016-03-16 | 李聪 | Steam fluidized bed boiler of power station |
| CN106196089A (en) * | 2016-09-09 | 2016-12-07 | 绿威环保科技股份有限公司 | Fluidized bed incinerator |
| CN108006658A (en) * | 2018-01-20 | 2018-05-08 | 广州利世环境治理有限公司 | A kind of compact twin chamber twin flue waste incinerator |
| CN110173700A (en) * | 2019-04-25 | 2019-08-27 | 江苏一品环保科技有限公司 | A kind of Lower heat value sludge is self-holding to burn fluidized bed |
| CZ308288B6 (en) * | 2018-12-10 | 2020-04-15 | Vysoká Škola Báňská - Technická Univerzita Ostrava | Device for dosing sludge into a fluidized bed |
-
2014
- 2014-03-04 CN CN201420095333.2U patent/CN203703990U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104566398A (en) * | 2014-12-17 | 2015-04-29 | 兰州有色冶金设计研究院有限公司 | Device and method for treating waste printed circuit boards |
| CN105402708A (en) * | 2015-11-10 | 2016-03-16 | 李聪 | Steam fluidized bed boiler of power station |
| CN106196089A (en) * | 2016-09-09 | 2016-12-07 | 绿威环保科技股份有限公司 | Fluidized bed incinerator |
| CN108006658A (en) * | 2018-01-20 | 2018-05-08 | 广州利世环境治理有限公司 | A kind of compact twin chamber twin flue waste incinerator |
| CN108006658B (en) * | 2018-01-20 | 2023-12-12 | 北京中力信达环境技术有限公司 | Compact double-combustion-chamber double-flue garbage incinerator |
| CZ308288B6 (en) * | 2018-12-10 | 2020-04-15 | Vysoká Škola Báňská - Technická Univerzita Ostrava | Device for dosing sludge into a fluidized bed |
| EP3666738A1 (en) | 2018-12-10 | 2020-06-17 | Vysoká Skola Bánská - Technická Univerzita Ostrava | Method and device for dosing sewage sludge for combustion in fluidized bed combustion |
| CN110173700A (en) * | 2019-04-25 | 2019-08-27 | 江苏一品环保科技有限公司 | A kind of Lower heat value sludge is self-holding to burn fluidized bed |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140709 Termination date: 20150304 |
|
| EXPY | Termination of patent right or utility model |