CN202253668U - Open type hearth circulating fluid bed waste incineration boiler - Google Patents
Open type hearth circulating fluid bed waste incineration boiler Download PDFInfo
- Publication number
- CN202253668U CN202253668U CN201120308000XU CN201120308000U CN202253668U CN 202253668 U CN202253668 U CN 202253668U CN 201120308000X U CN201120308000X U CN 201120308000XU CN 201120308000 U CN201120308000 U CN 201120308000U CN 202253668 U CN202253668 U CN 202253668U
- Authority
- CN
- China
- Prior art keywords
- open type
- wind
- burner hearth
- air distribution
- type burner
- 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 utility model relates to an open type hearth circulating fluid bed waste incineration boiler which comprises an open type hearth, a cyclone separating device, a cooling room and a tail part convection flue, wherein the open type hearth, the cyclone separating device, the cooling room and the tail part convection flue are sequentially connected; the lower end of the cyclone separating device is connected with an external heat exchanger, and the other end of the external heat exchanger is connected with the open type hearth; a high temperature superheater is arranged inside the external heat exchanger; a plurality of air distribution pipes equally spaced and arranged on the same horizontal plane form an open type air distribution plate, the open type air distribution plate is arranged at the bottom of an open type hearth, an ash bucket is connected to the lower side of the open type air distribution plate, and an ash valve is mounted below the ash bucket; the upper part of the open type hearth and the ash bucket are separated from each other through an open type air distribution plate; and the open type air distribution air plate comprises the air distribution pipes. According to the open type hearth circulating fluid bed waste incineration boiler, objects carried in garbage, which probably wind caps or are larger in particles and even massive, such as iron wires, iron nails and the like, can be discharged smoothly, the air distribution is even, the probability of coking or slag-bonding is low, and the purpose of prolonging the continuous operation time of the garbage inside the incineration boiler and saving energy can be achieved.
Description
Technical field
The utility model relates to a kind of open type burner hearth refuse incinerator of circulating fluid bed; Its advantage is can discharge the iron wire that carries in the rubbish, iron nail etc. smoothly to twine blast cap or the bigger even block material of particle easily, prolongs the continuous operating time of garbage burning boiler.
Background technology
At present, most refuse incinerator of circulating fluid bed adopt and the similar water-cooled distributor of fire coal circulating fluid bed boiler, mostly by forming water cooled wind chamber with all the other burner hearth fin panel casings after the bending of burner hearth fin panel casing.Be water-cooled distributor above the water cooled wind chamber, the blast cap that is used for goods fluid is installed on it; Generally front side or the rear side at water cooled wind chamber is provided with the grease gun igniting burner, is used for boiler ignition start.For being twined the bigger even block thing of blast cap or particle easily, the iron wire that carries in the rubbish, iron nail etc. discharge; Mainly by following two kinds of structures: the one, the water-cooled distributor horizontal arrangement is provided with the square or circular slag-drip opening bigger than fire coal circulating fluid bed boiler above that.The 2nd, water-cooled distributor is arranged to tilting, and the same wide rectangle slag tap with air distribution plate is set in the lower.
Facts have proved that above-mentioned air distribution plate no matter be horizontal arrangement or be in tilted layout, all exists and is difficult for fragmentation in the rubbish, incombustible elongate material (like iron wire, iron nail etc.) twines blast cap easily, causes the boiler fluidisation bad, needs the blowing out cleaning when serious; In addition, because the slag tap area is bigger, although taked some cloth wind measures, the accident such as the easy slagging scorification in slag tap place that still exists in service; For the bigger even block thing of particle in the rubbish, the tilting air distribution plate is better than horizontal air distribution plate, but the rectangle slag tap area of its lower is bigger, is easy to generate the fluidisation bad phenomenon.
Summary of the invention
The purpose of the utility model is to overcome above-mentioned weak point; Thereby a kind of open type burner hearth refuse incinerator of circulating fluid bed is provided; The iron wire that carries in the rubbish, iron nail etc. be can discharge smoothly and blast cap or the bigger even block thing of particle twined easily; Cloth wind is even, is difficult for coking or slagging scorification, prolongs the continuous operating time of garbage burning boiler.
According to the technical scheme that the utility model provides, open type burner hearth refuse incinerator of circulating fluid bed comprises open type burner hearth, cyclone separator, cooling chamber and the afterbody convection pass that connects successively; Said cyclone separator lower end connects external heat exchanger, and the other end of said external heat exchanger connects the open type burner hearth; Be provided with high temperature superheater in the said external heat exchanger; Described open type burner hearth is provided with garbage feeding mouth and auxiliary fuel material inlet, two Room before and after said cooling chamber divides, indoor low temperature superheater, the economizer of being provided with; Secondary wind air preheater and a wind air preheater are set in the said afterbody convection pass; Characteristic is: some wind-distributing pipes are by forming the open type air distribution plate on the same horizontal plane of being arranged in of a determining deviation, the open type air distribution plate is arranged on the open type burner hearth bottom, and ash bucket is connected below the open type air distribution plate, and Ash valve is installed in the ash bucket below; The open type air distribution plate separates open type upper furnace and ash bucket; Said open type air distribution plate is made up of some wind-distributing pipes, along wind-distributing pipe one row or many air drafts cap is housed circumferentially; One end of wind-distributing pipe links to each other with igniter, and the other end is provided with the maintenance cinerary device.
As the further improvement of the utility model, said wind-distributing pipe axially is equipped with many air drafts cap by a determining deviation.
As the further improvement of the utility model, said igniter is provided with wind inlet and torch oil gun.
As the further improvement of the utility model, said wind-distributing pipe links to each other with igniter with air register through expansion joint.
As the further improvement of the utility model, said wind-distributing pipe two ends are provided with igniter and maintenance cinerary device respectively.
As the further improvement of the utility model, said open type burner hearth and ash bucket can adopt heat insulating construction or membrane wall cooling structure as required.
Compared with present technology the utility model has the following advantages:
The utility model is simple in structure, compact, reasonable; Can discharge the iron wire that carries in the rubbish, iron nail etc. smoothly and twine blast cap or the bigger even block thing of particle easily, cloth wind is even, is difficult for coking or slagging scorification, reaches the purpose that prolongs garbage burning boiler continuous operating time and energy savings.
Description of drawings
Fig. 1 is the utility model structural front view.
Fig. 2 is that the A-A of Fig. 1 is to view.
The specific embodiment
To combine the accompanying drawing of the utility model that its enforcement is further described below:
Like Fig. 1～shown in Figure 2, comprise open type burner hearth 1, cyclone separator 2, cooling chamber 3, afterbody convection pass 4, external heat exchanger 5, high temperature superheater 6, low temperature superheater 7, economizer 8, auxiliary air preheater 9, wind air preheater 10, garbage feeding mouth 11, auxiliary fuel material inlet 12, open type air distribution plate 13, ash bucket 14, Ash valve 15, wind-distributing pipe 16, air draft cap 17, igniter 18, wind inlet 19, torch oil gun 20, expansion joint 21 and an air register 22.
The utility model is mainly by the open type burner hearth 1, cyclone separator 2, cooling chamber 3 and the afterbody convection pass 4 that connect successively; Described cyclone separator 2 lower ends connection external heat exchanger 5) other end of this external heat exchanger 5 connects open type burner hearth 1; Be provided with high temperature superheater 6 in the said external heat exchanger 5; Two Room, 3 fens front and back of said cooling chamber can be provided with heating surfaces such as low temperature superheater 7, economizer 8 as required; Said afterbody convection pass 4 can be provided with heating surfaces such as secondary wind air preheater 9, a wind air preheater 10 as required.
Described open type burner hearth 1 is provided with garbage feeding mouth 11 and auxiliary fuel material inlet 12; The bottom connects open type air distribution plate 13; Many wind-distributing pipes 16 are arranged in according to certain spacing and form open type air distribution plate 13 on the same horizontal plane, and open type burner hearth 1 top and ash bucket were opened in 14 minutes; Ash bucket 14 is connected below the open type air distribution plate 13, and Ash valve 15 is installed in ash bucket 14 belows; Open type air distribution plate 13 is made up of many wind-distributing pipes 16, circumferentially by a determining deviation one row or many air drafts cap 17 is housed along wind-distributing pipe 16, axially by a determining deviation many air drafts cap 17 is housed; One end of wind-distributing pipe 16 links to each other with igniter 18, and igniter 18 is provided with wind inlet 19 and torch oil gun 20 etc., and the other end is provided with the maintenance cinerary device; Or wind-distributing pipe 16 two ends are equipped with igniter 18 and cinerary device; Described wind-distributing pipe links to each other with igniter 18 with air register 22 through expansion joint 21.
Described open type burner hearth 1 and ash bucket 14 can adopt heat insulating construction or membrane wall cooling structure as required
The utility model operation principle and the course of work:
After the preliminary treatment such as rubbish and the fragmentation of auxiliary fuel process, metal sorting; Get into 1 burning of open type burner hearth through garbage feeding mouth 11 and auxiliary fuel material inlet 12; (850～900 ℃ of the high-temperature flue gas that the burning back produces; Carry a large amount of uncompleted burned carbon particles) after upper furnace is further burnt heat release, get into cyclone separator 2 through furnace outlet, realize separating of flue gas and material.Through the central tube entering cooling chamber 3 of " cleaning " flue gas after separating, get into afterbody convection pass 4 then until discharging out of the furnace from cyclone separator 2 tops.Said cooling chamber 3 can be provided with low temperature superheater 7 as required) economizer 8 heating surfaces such as grade; Said afterbody convection pass 4 can be provided with heating surfaces such as secondary wind air preheater 9, a wind air preheater 10 as required.
" returning charge ash " that separate from cyclone separator 2 gets into external heat exchanger 5 by the returning charge leg, carry out heat exchange with the high temperature superheater that sets within it 6 after, get back to open type burner hearth 1 through the returning charge inclined tube again and continue circulating combustion.
In the circulating combustion process, remove the thinner fly ash granule of part and get into cooling chamber 3 and afterbody convection current cigarette
Outside road 4 is discharged by corresponding cinerary device; Incombustible such as remainder larger particles lime-ash and iron wire, iron nail are all fallen on the open type air distribution plate 13; Get into ash bucket 14 from the space between the wind-distributing pipe 16; Discharge gradually through Ash valve 15, and control the height of recycle stock in the open type burner hearths 1 through Ash valve 15.
The burning required air is provided by first and second blower fan respectively.The air that primary air fan is seen off is after wind air preheater 10 preheatings; Get into igniter 18 from a wind inlet 19; Get into wind-distributing pipe 16 through air register 22 and expansion joint 21 then, get into open type burner hearth 1 through blast cap 17 at last, make the even fluidisation of material on the open type air distribution plate 13.Secondary wind gets into open type burner hearth 1 by the overfiren air port that open type burner hearth 1 middle and upper part differing heights is set after 9 preheatings of auxiliary air preheater, with the effect of aftercombustion required air and disturbance mixing.
When boiler startup, after high-temperature flue gas that torch oil gun 20 burnings produce and a wind of a wind inlet 19 mix in igniter 18, through getting into open hearth thorax 1 behind the above-mentioned path.
Claims (6)
1. an open type burner hearth refuse incinerator of circulating fluid bed comprises the open type burner hearth (1), cyclone separator (2), cooling chamber (3) and the afterbody convection pass (4) that connect successively; Said cyclone separator (2) lower end connects external heat exchanger (5), and the other end of said external heat exchanger (5) connects open type burner hearth (1); Be provided with high temperature superheater (6) in the said external heat exchanger (5); Described open type burner hearth (1) is provided with garbage feeding mouth (11) and auxiliary fuel material inlet (12), two Room before and after said cooling chamber (3) divides, indoor low temperature superheater (7), the economizer (8) of being provided with; Be provided with a secondary wind air preheater (9) and a wind air preheater (10) in the said afterbody convection pass (4); It is characterized in that: some wind-distributing pipes (16) are by forming open type air distribution plate (13) on the same horizontal plane of being arranged in of a determining deviation; Open type air distribution plate (13) is arranged on open type burner hearth (1) bottom; Ash bucket (14) is connected below the open type air distribution plate (13), and Ash valve (15) is installed in ash bucket (14) below; Open type air distribution plate (13) separates open type burner hearth (1) top and ash bucket (14); Said open type air distribution plate (13) is made up of some wind-distributing pipes (16), along wind-distributing pipe (16) row or many air drafts cap (17) is housed circumferentially; One end of wind-distributing pipe (16) links to each other with igniter (18), and the other end is provided with the maintenance cinerary device.
2. open type burner hearth refuse incinerator of circulating fluid bed as claimed in claim 1 is characterized in that: said wind-distributing pipe (16) axially is equipped with many air drafts cap (17) by a determining deviation.
3. open type burner hearth refuse incinerator of circulating fluid bed as claimed in claim 1 is characterized in that: said igniter (18) is provided with a wind inlet (19) and torch oil gun (20).
4. open type burner hearth refuse incinerator of circulating fluid bed as claimed in claim 1 is characterized in that: said wind-distributing pipe (16) links to each other with igniter (18) with air register (22) through expansion joint (21).
5. open type burner hearth refuse incinerator of circulating fluid bed as claimed in claim 1 is characterized in that: said wind-distributing pipe (16) two ends are provided with igniter (18) and maintenance cinerary device respectively.
6. open type burner hearth refuse incinerator of circulating fluid bed as claimed in claim 1 is characterized in that: said open type burner hearth (1) and ash bucket (14) adopt heat insulating construction or membrane wall cooling structure respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120308000XU CN202253668U (en) | 2011-08-23 | 2011-08-23 | Open type hearth circulating fluid bed waste incineration boiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120308000XU CN202253668U (en) | 2011-08-23 | 2011-08-23 | Open type hearth circulating fluid bed waste incineration boiler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202253668U true CN202253668U (en) | 2012-05-30 |
Family
ID=46114904
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201120308000XU Expired - Fee Related CN202253668U (en) | 2011-08-23 | 2011-08-23 | Open type hearth circulating fluid bed waste incineration boiler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202253668U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102305406A (en) * | 2011-08-23 | 2012-01-04 | 无锡太湖锅炉有限公司 | Circulating fluid bed waste incineration boiler with open-type furnace chamber |
| CN102913900A (en) * | 2012-10-29 | 2013-02-06 | 哈尔滨工业大学 | Low-ratio biomass circulating fluidized bed with cooling chamber and pollutant control method thereof |
| CN109323266A (en) * | 2018-11-13 | 2019-02-12 | 浙江物华天宝能源环保有限公司 | A kind of tubular distributor suitable for fluidized combustion rubbish |
-
2011
- 2011-08-23 CN CN201120308000XU patent/CN202253668U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102305406A (en) * | 2011-08-23 | 2012-01-04 | 无锡太湖锅炉有限公司 | Circulating fluid bed waste incineration boiler with open-type furnace chamber |
| CN102913900A (en) * | 2012-10-29 | 2013-02-06 | 哈尔滨工业大学 | Low-ratio biomass circulating fluidized bed with cooling chamber and pollutant control method thereof |
| CN102913900B (en) * | 2012-10-29 | 2015-08-05 | 哈尔滨工业大学 | Band cooling chamber low-ratio biomass circulating fluidized bed boiler and pollutant catabolic gene method |
| CN109323266A (en) * | 2018-11-13 | 2019-02-12 | 浙江物华天宝能源环保有限公司 | A kind of tubular distributor suitable for fluidized combustion rubbish |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101949535B (en) | Low-ratio biomass circulating fluidized bed boiler and combustion method thereof | |
| CN102537975B (en) | Circulating fluidized bed garbage incineration boiler and pollution control system with same | |
| CN102305406A (en) | Circulating fluid bed waste incineration boiler with open-type furnace chamber | |
| CN102330993B (en) | Composite structure for high-temperature spiral secondary air and arch in biomass fuel chain boiler | |
| CN106352343B (en) | Incinerator suitable for high heating value house refuse | |
| CN102235675A (en) | Open air distribution plate for circulating fluidized bed garbage incineration boiler | |
| CN202253668U (en) | Open type hearth circulating fluid bed waste incineration boiler | |
| CN104197338A (en) | High-temperature cyclone separation type three-waste co-combustion furnace | |
| CN203785241U (en) | Thrice combusting hot-air boiler | |
| CN202253671U (en) | Open type air distribution plate of circulating fluid bed waste incineration boiler | |
| CN201177367Y (en) | Boiler using paddy hull as fuel | |
| CN101377296A (en) | Boiler using waste slag of alcohol production by stalk combustion | |
| CN104501177A (en) | Waste incinerating circulating fluidized bed boiler | |
| CN202101217U (en) | Biomass steam boiler with horizontal water and fire tubes | |
| CN106402874A (en) | Garbage incinerator | |
| CN204421014U (en) | A kind of waste incineration CFBB | |
| CN103322676A (en) | Biomass fuel hot blast device | |
| CN100441952C (en) | Composite circulating fluidized bed system for high performance clean burning of urban domestic garbage | |
| CN200986211Y (en) | Boiler using cross water-cooled wall to protect boiler shell | |
| CN103388820A (en) | Clean pulverized coal combustion industrial boiler device | |
| CN102297509A (en) | Boiler drum longitudinally arranged chain grate hot water boiler | |
| CN203336814U (en) | Horizontal hot water boiler | |
| CN207350325U (en) | A kind of new step arch W flame boiler furnace structure | |
| CN202813348U (en) | Layer-burning boiler with internal two-stage dust collector | |
| CN104791766A (en) | High-water-content biomass fuel boiler |
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: 20120530 Termination date: 20150823 |
|
| EXPY | Termination of patent right or utility model |