CN104964288B - Inside smoke recycling sludge grain incinerator with low fly ash emission - Google Patents
Inside smoke recycling sludge grain incinerator with low fly ash emission Download PDFInfo
- Publication number
- CN104964288B CN104964288B CN201510409452.XA CN201510409452A CN104964288B CN 104964288 B CN104964288 B CN 104964288B CN 201510409452 A CN201510409452 A CN 201510409452A CN 104964288 B CN104964288 B CN 104964288B
- Authority
- CN
- China
- Prior art keywords
- incinerator
- sludge
- heater
- transmission shaft
- bearing
- 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.)
- Active
Links
- 239000010802 sludge Substances 0.000 title claims abstract description 41
- 239000010881 fly ash Substances 0.000 title claims abstract description 15
- 238000004064 recycling Methods 0.000 title abstract description 4
- 239000000779 smoke Substances 0.000 title abstract 3
- 230000005540 biological transmission Effects 0.000 claims abstract description 28
- 238000006243 chemical reaction Methods 0.000 claims abstract description 15
- 239000002956 ash Substances 0.000 claims abstract description 11
- 238000002485 combustion reaction Methods 0.000 claims abstract description 6
- 238000005054 agglomeration Methods 0.000 claims abstract description 4
- 230000002776 aggregation Effects 0.000 claims abstract description 4
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 18
- 239000003546 flue gas Substances 0.000 claims description 18
- 239000008187 granular material Substances 0.000 claims description 15
- 238000000034 method Methods 0.000 claims description 14
- 238000009826 distribution Methods 0.000 claims description 11
- 229910000831 Steel Inorganic materials 0.000 claims description 6
- 239000010959 steel Substances 0.000 claims description 6
- 238000005469 granulation Methods 0.000 claims description 3
- 230000003179 granulation Effects 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 238000012856 packing Methods 0.000 claims description 3
- 239000011819 refractory material Substances 0.000 claims description 3
- 238000005516 engineering process Methods 0.000 abstract description 3
- 238000005192 partition Methods 0.000 abstract description 3
- 238000007599 discharging Methods 0.000 abstract 1
- 239000000428 dust Substances 0.000 description 7
- 238000011282 treatment Methods 0.000 description 7
- 239000010882 bottom ash Substances 0.000 description 4
- 238000012545 processing Methods 0.000 description 3
- 239000010865 sewage Substances 0.000 description 3
- 239000000571 coke Substances 0.000 description 2
- 239000002361 compost Substances 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000002737 fuel gas Substances 0.000 description 2
- HGUFODBRKLSHSI-UHFFFAOYSA-N 2,3,7,8-tetrachloro-dibenzo-p-dioxin Chemical compound O1C2=CC(Cl)=C(Cl)C=C2OC2=C1C=C(Cl)C(Cl)=C2 HGUFODBRKLSHSI-UHFFFAOYSA-N 0.000 description 1
- 230000000844 anti-bacterial effect Effects 0.000 description 1
- 229940088710 antibiotic agent Drugs 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000011038 discontinuous diafiltration by volume reduction Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000005243 fluidization Methods 0.000 description 1
- 239000003517 fume Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 244000052769 pathogen Species 0.000 description 1
- 230000001717 pathogenic effect Effects 0.000 description 1
- 230000003134 recirculating effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 231100001234 toxic pollutant Toxicity 0.000 description 1
- 238000004065 wastewater treatment Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G7/00—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals
- F23G7/001—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals for sludges or waste products from water treatment installations
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G2206/00—Waste heat recuperation
- F23G2206/10—Waste heat recuperation reintroducing the heat in the same process, e.g. for predrying
Landscapes
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Gasification And Melting Of Waste (AREA)
Abstract
The invention discloses an inside smoke recycling sludge grain incinerator with low fly ash emission. The incinerator comprises an incinerator body, a partition board, a rotary fire grate, an air distributor, an ash pulling rod, a transmission shaft, a transmission gear, a driving motor, a draught fan and supporting feet; the rotary fire grate and the ash pulling rod are embedded into the transmission shaft from top to bottom, by means of the rotation of the ash pulling rod, ash residues generated by burning are discharged through a residue discharging outlet; the interior of the incinerator body is divided by the partition board which is arranged vertically into a first-grade reaction chamber and a second-grade reaction chamber; the air distributor is located under the fire gate inside the second-grade reaction chamber; an air inlet pipeline of the draught fan is communicated with the upper portion of the first-grade reaction chamber, and after an air outlet pipeline is connected with a primary air inlet pipeline, the air outlet pipeline is pumped in the air distributor inside the incinerator body. By means of a fire gate burning technology and a sludge granulating technology, agglomeration combustion of sludge is achieved, and therefore fly ash is greatly reduced; by means of the recycling of smoke inside the incinerator, sufficient combustion is achieved.
Description
Technical field
The invention belongs to burning facility field, is related to flue gas recirculation mud granule in a kind of Novel furnace of low fly ash emission
Incinerator.
Background technology
Used as the product of sewage disposal, the yield of sludge is presented quickly with the raising of sewage treatment capacity and handling rate
Growth trend.According to estimation, urban wastewater treatment firm sludge (moisture content 80%) yield is up to 33,590,000 tons within 2015.It is so big
If the sludge of amount can not clean disposal and will bring heavy damage to the ecosystem of China.Treatment of Sludge main at this stage
Method includes agriculture compost, hot chemical treatment etc..Traditional method for sludge treatment is compared, sea, agriculture compost, sludge incineration is such as filled out
Because its disposal speed is fast, volume reduction effect is significant, can to the full extent kill the antibacterials such as pathogen contained by sludge and be subject to more next
The concern of more people.Sludge incineration technique main at this stage includes multihearth (Multiple Hearth Furnace, MHF)
With Circulation fluidized-bed furnace (Circulating Fluidized Bed, CFB).Multihearth is adapted to process wet mud, and ciculation fluidized
Pool furnace is applied to the process of wet mud and semi-dry sludge (40-65% contents on dry basis), but the common issue that both are faced is just
It is that flying dust ratio is big, causes substantial amounts of flying dust after sludge incineration to be entrained into follow-up afterbody cleaning system.Grind according to related experiment
Study carefully, in the recirculating fluidized bed of 20-30 times of minimum fluidization velocity of real gas flow velocity, burning is produced and be up in ash 95% with flying dust
Form is present, and only 5% with the presence of bottom ash form.And generally, bottom ash is compared, the heavy metal of high concentration is enriched in flying dust
The toxic pollutants such as He bioxin (Dioxin), need Jing harmless treatments to fill or recycling.This is also implied that
Higher environmental hazard and processing cost.
The content of the invention
It is an object of the invention to provide flue gas recirculation mud granule incinerator in a kind of Novel furnace of low fly ash emission, can
Flying dust yield is largely reduced while with to being efficiently treated through compared with the sludge of high-moisture percentage.
The present invention is for the solution technical scheme that adopted of its technical problem：A kind of new inner flue gas of the stove of low fly ash emission
Recycled sludge granule incinerator, including body of heater, dividing plate, rotary fire grate, air distribution plate, gray moving bar, power transmission shaft, travelling gear, drive
Galvanic electricity machine, air-introduced machine and support feet；The center overlapping of axles of the power transmission shaft and hanging cylindrical furnace, upper end is located in body of heater,
Lower end is located at outside body of heater；Power transmission shaft bottom is provided with clutch shaft bearing and first axle bearing sleeve；Power transmission shaft and hanging cylindrical furnace are handed over
Body of heater at boundary is externally provided with second bearing and second bearing set；Clutch shaft bearing and first axle bearing sleeve are engaged, second bearing and
Two bearing holder (housing, cover)s are engaged, and clutch shaft bearing and second bearing play fixed and supporting role；It is embedded between clutch shaft bearing and second bearing
Travelling gear, travelling gear is engaged with the gear on motor, so as to realize the rotation of power transmission shaft；Power transmission shaft is embedding from top to bottom
There are rotary fire grate and gray moving bar, gray moving bar is located in the body of heater of power transmission shaft and hanging cylindrical furnace intersection, and body of heater bottom surface sets
There is slag-drip opening, discharged the lime-ash Jing slag-drip openings of generation of burning by the rotation of gray moving bar；Bottom of furnace body is additionally provided with support feet, real
Now cylindrical furnace is hanging；Body of heater side is higher than to be provided with charging aperture at rotary fire grate position；Furnace interior is by vertically placing
Dividing plate is divided into two parts cavity, and its middle charging aperture place cavity is used as first order reaction room；Another part cavity is used as secondary response
Room；Air distribution plate is located at the lower section of the rotary fire grate in secondary response room；The intake stack of air-introduced machine is connected with first order reaction room top,
After wind pipe is connected with primary air intake pipe road, it is passed through at furnace interior air distribution plate.
Further, the body of heater is mainly formed by shaped steel and welded steel plate, and its liner is refractory material.
Further, each interface adopts mechanical seal or packing seal in incinerator.
Further, by using fire grate burning process and sludge process of granulation, realizing the agglomeration combustion of sludge, so as to
The generation of flying dust is greatly reduced；By using inner flue gas of the stove recirculation, realizing the abundant after-flame of sludge.
Further, described rotary fire grate rotating speed and partition position can be according to sludge components and the difference of moisture content
Collaborative design and regulation are carried out, this is significant for the efficient process of sludge.
Further, described dividing plate makes material be evenly distributed on rotary fire grate simultaneously as flat glassware.
Further, the gray moving bar is fixed on power transmission shaft, by rotating the lime-ash Jing slag-drip openings after sludge incineration
Discharge.
The invention has the beneficial effects as follows：Can be by using fire grate burning process and sludge process of granulation, realizing sludge
Agglomeration combustion, so as to the generation of flying dust is greatly reduced；By using inner flue gas of the stove recirculation, realizing the abundant combustion of sludge
To the greatest extent.
Description of the drawings
Fig. 1 is incinerator structural representation of the present invention；
Fig. 2 is the assembling schematic diagram of rotatable parts；
In figure：Body of heater 1, charging aperture 2, dividing plate 3, rotary fire grate 4, air distribution plate 5, gray moving bar 6, power transmission shaft 7, clutch shaft bearing 8,
First axle bearing sleeve 9, second bearing 10, second bearing set 11, travelling gear 12, motor 13,14, two grades of first order reaction room are anti-
Answer room 15, air-introduced machine 16, support feet 17, slag-drip opening 18.
Specific embodiment
The present invention is described in further detail below in conjunction with the accompanying drawings.
As shown in figure 1, flue gas recirculation mud granule incinerator in a kind of Novel furnace of low fly ash emission of the present invention, including
Body of heater 1, dividing plate 3, rotary fire grate 4, air distribution plate 5, gray moving bar 6, power transmission shaft 7, travelling gear 12, motor 13, air-introduced machine 16
With support feet 17.
The body of heater 1 is mainly formed by shaped steel and welded steel plate, and its liner is refractory material.The power transmission shaft 7 with it is hanging
The center overlapping of axles of cylindrical furnace 1, upper end is located in body of heater 1, and lower end is located at outside body of heater 1；The bottom of power transmission shaft 7 is provided with first
Bearing 8 and first axle bearing sleeve 9；The body of heater 1 of power transmission shaft 7 and the intersection of hanging cylindrical furnace 1 is externally provided with second bearing 10 and
Two bearing holder (housing, cover)s 11；Clutch shaft bearing 8 and first axle bearing sleeve 9 are engaged, and second bearing 10 and second bearing set 11 are engaged, first axle
Hold 8 and second bearing 10 to play a fixed and supporting role；Travelling gear 12 is embedded between clutch shaft bearing 8 and second bearing 10,
Travelling gear 12 is engaged with the gear on motor 13, so as to realize the rotation of power transmission shaft 7；Power transmission shaft 7 is embedded with from top to bottom
Rotary fire grate 4 and gray moving bar 6, gray moving bar 6 is located in the body of heater 1 of power transmission shaft 7 and the intersection of hanging cylindrical furnace 1, the bottom of body of heater 1
Face is provided with slag-drip opening 18, is discharged the lime-ash Jing slag-drip openings 18 of generation of burning by the rotation of gray moving bar 6；The bottom of body of heater 1 also sets
There is support feet 12, to realize the hanging of cylindrical furnace.The side of body of heater 1 is higher than to be provided with charging aperture 2 at the position of rotary fire grate 4.
By 3 points of the dividing plate vertically placed it is two parts cavity inside body of heater 1, its place cavity of middle charging aperture 2 is used as one-level
Reative cell 14, is substantially carried out the drying and devolatilization reaction of mud granule；Another part cavity is main as secondary response room 15
Carry out the after-flame reaction of coke；Dividing plate 3 is simultaneously as flat glassware, it is ensured that material is evenly distributed on rotary fire grate 4.Two anti-
Answer room relative size and the rotating speed of rotary fire grate 4 can according to the difference of sludge components and moisture content carry out collaborative design and
Adjust；And the fuel gas that first order reaction room 14 generates can do further burn processing in secondary response room 15, and two grades
The bottom ash that the burning of reative cell 15 is produced can be heated and be dried as thermal source to raw sewage granule, and this is efficient for sludge
Burning is significant.
Air distribution plate 5 is located at the lower section of rotary fire grate 4 in secondary response room 15, and the after-flame for coke provides required air；Draw
The intake stack of blower fan 16 is connected with the top of first order reaction room 14, after wind pipe is connected with primary air intake pipe road, is passed through stove
At the inside air distribution plate 5 of body 1；The flue gas Jing air-introduced machines 16 that first order reaction room 14 generates are drawn, and Jing is located at after mixing with First air
The air distribution plate 5 of the lower section of rotary fire grate 4 sends into secondary response room 15 and continues to react, and reacted flue gas is filled into follow-up fume treatment
Put and further purified.Each interface is using mechanical seal, packing seal or other sealings in incinerator.
When using, motor 13 is rotated with nutating gear 12, so that the rotary fire grate 4 being fixed on power transmission shaft 7
According to certain rotational speed.The primary sludge granule that the bottom ash that the burning of secondary response room 15 is formed is added with charging aperture 2 mixes, and
And it is heated as thermal source and is dried.The fuel gas Jing air-introduced machines that the Jing devolatilizations of first order reaction room 14 are generated
16 effects, enter in secondary response room 15 after mixing with First air and continue to react, then into the process of follow-up flue gas processing device.
The lime-ash Jing gray movings bar 6 that burning is produced is acted on, and is discharged body of heater by slag-drip opening 18 and is carried out subsequent treatment.
Claims (7)
1. the inner flue gas of the stove recycled sludge granule incinerator of a kind of low fly ash emission, it is characterised in that including body of heater (1), every
Plate (3), rotary fire grate (4), air distribution plate (5), gray moving bar (6), power transmission shaft (7), travelling gear (12), motor (13), draw
Blower fan (16) and support feet (17)；
The center overlapping of axles of the power transmission shaft (7) and hanging cylindrical furnace (1), upper end is located in body of heater (1), and lower end is located at stove
Body (1) is outward；Power transmission shaft (7) bottom is provided with clutch shaft bearing (8) and first axle bearing sleeve (9)；Power transmission shaft (7) and hanging cylindrical furnace
The body of heater (1) of body (1) intersection is externally provided with second bearing (10) and second bearing set (11)；Clutch shaft bearing (8) and clutch shaft bearing
Set (9) is engaged, and second bearing (10) and second bearing set (11) are engaged, and clutch shaft bearing (8) and second bearing (10) rise admittedly
Fixed and supporting role；Travelling gear (12), travelling gear (12) and driving are embedded between clutch shaft bearing (8) and second bearing (10)
Gear engagement on motor (13), so as to realize the rotation of power transmission shaft (7)；Power transmission shaft (7) is embedded with from top to bottom rotary fire grate (4)
With gray moving bar (6), gray moving bar (6) positioned at power transmission shaft (7) and hanging cylindrical furnace (1) intersection body of heater (1) in, body of heater
(1) bottom surface is provided with slag-drip opening (18), is discharged lime-ash Jing slag-drip openings (18) of generation of burning by the rotation of gray moving bar (6)；Stove
Body (1) bottom is additionally provided with support feet (17), realizes the hanging of cylindrical furnace；Body of heater (1) side is higher than rotary fire grate (4) position
Place is provided with charging aperture (2)；
Two parts cavity is divided into by the dividing plate (3) vertically placed inside body of heater (1), its middle charging aperture (2) place cavity is used as one
Order reaction room (14)；Another part cavity is used as secondary response room (15)；Rotation of the air distribution plate (5) in secondary response room (15)
Converter row (4) lower section；The intake stack of air-introduced machine (16) is connected with first order reaction room (14) top, and wind pipe enters with First air
After wind pipeline is connected, internal air distribution plate (5) place of body of heater (1) is passed through.
2. the inner flue gas of the stove recycled sludge granule incinerator of a kind of low fly ash emission according to claim 1, its feature
It is that the body of heater (1) is mainly formed by shaped steel and welded steel plate, its liner is refractory material.
3. the inner flue gas of the stove recycled sludge granule incinerator of a kind of low fly ash emission according to claim 1, its feature
It is that each interface is using mechanical seal or packing seal in incinerator.
4. the inner flue gas of the stove recycled sludge granule incinerator of a kind of low fly ash emission according to claim 1, its feature
It is, it is winged so as to be greatly reduced by using fire grate burning process and sludge process of granulation, realizing the agglomeration combustion of sludge
The generation of ash；By using inner flue gas of the stove recirculation, realizing the abundant after-flame of sludge.
5. the inner flue gas of the stove recycled sludge granule incinerator of a kind of low fly ash emission according to claim 1, its feature
It is that described rotary fire grate (4) rotating speed and dividing plate (3) position carries out collaboration and set according to the difference of sludge components and moisture content
Meter and regulation, this is significant for the efficient process of sludge.
6. the inner flue gas of the stove recycled sludge granule incinerator of a kind of low fly ash emission according to claim 1, its feature
It is：Described dividing plate (3) is while as flat glassware, make material be evenly distributed on rotary fire grate.
7. the inner flue gas of the stove recycled sludge granule incinerator of a kind of low fly ash emission according to claim 1, its feature
It is that the gray moving bar (6) is fixed on power transmission shaft (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510409452.XA CN104964288B (en) | 2015-07-13 | 2015-07-13 | Inside smoke recycling sludge grain incinerator with low fly ash emission |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510409452.XA CN104964288B (en) | 2015-07-13 | 2015-07-13 | Inside smoke recycling sludge grain incinerator with low fly ash emission |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104964288A CN104964288A (en) | 2015-10-07 |
| CN104964288B true CN104964288B (en) | 2017-05-03 |
Family
ID=54218341
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510409452.XA Active CN104964288B (en) | 2015-07-13 | 2015-07-13 | Inside smoke recycling sludge grain incinerator with low fly ash emission |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104964288B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113503533B (en) * | 2021-07-30 | 2022-07-22 | 赣州市怡辰宏焰能源科技有限公司 | Rotary grate type biomass gasification furnace |
-
2015
- 2015-07-13 CN CN201510409452.XA patent/CN104964288B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN104964288A (en) | 2015-10-07 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103145307B (en) | High temperature carbonization system of sludge and carbonization process | |
| CN100557312C (en) | A kind of sludge desiccation burning integral treatment method and device | |
| KR100935446B1 (en) | Method of device for high water content of drying and carbonizing | |
| CN102889599B (en) | Wet sewage sludge combustion furnace | |
| CN105948459A (en) | Method using drying and incineration to treat sludge | |
| CN105731754A (en) | Treatment device and method for drying sludge through slag waste heat | |
| CN204006029U (en) | The comprehensive drying and incineration system of a kind of built-in mud | |
| CN105090993A (en) | Built-in comprehensive drying and incinerating system for sludge and drying and incinerating method for sludge | |
| CN105523699A (en) | Sludge drying and carbonizing device and technology | |
| CN105371283A (en) | Sludge drying and incinerating process | |
| CN109974004A (en) | A kind of cleaning incineration furnace | |
| CN204438139U (en) | Multiple hearth furnace sludge incinerator | |
| CN111423092A (en) | Integrated sludge drying and incineration or carbonization treatment system | |
| CN101139093A (en) | Method and device of fluidized carbonization moving bed activating of chemical legal wood activated charcoal | |
| CN102964041B (en) | Sludge burning treatment device and burning treatment method using device | |
| KR100935447B1 (en) | High water content of drying device | |
| CN104964288B (en) | Inside smoke recycling sludge grain incinerator with low fly ash emission | |
| CN103964668B (en) | Sludge treatment process equipment and treatment method | |
| CN100592014C (en) | Waste drying method and its system device | |
| CN201462857U (en) | Mould sludge incinerator | |
| KR100933437B1 (en) | High water content of smokeless device | |
| CN109556115A (en) | Biohazard Waste is burnt for steam integration system | |
| CN200986194Y (en) | Device for integratively processing sludge anhydration and burning | |
| KR100933438B1 (en) | High water content of carbonizing device | |
| CN202973115U (en) | Lifting spiral feeding device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |