CN105541076B - A kind of municipal sludge vertical drying burning facility - Google Patents
A kind of municipal sludge vertical drying burning facility Download PDFInfo
- Publication number
- CN105541076B CN105541076B CN201610032767.1A CN201610032767A CN105541076B CN 105541076 B CN105541076 B CN 105541076B CN 201610032767 A CN201610032767 A CN 201610032767A CN 105541076 B CN105541076 B CN 105541076B
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- Prior art keywords
- municipal sludge
- heater
- preheating
- fire grate
- comb
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- 239000010802 sludge Substances 0.000 title claims abstract description 57
- 238000001035 drying Methods 0.000 title claims abstract description 30
- 238000001816 cooling Methods 0.000 claims abstract description 18
- 235000004443 Ricinus communis Nutrition 0.000 claims abstract description 15
- 240000000528 Ricinus communis Species 0.000 claims abstract description 15
- 239000002893 slag Substances 0.000 claims abstract description 12
- 239000011449 brick Substances 0.000 claims description 7
- 229920000742 Cotton Polymers 0.000 claims description 6
- 238000004321 preservation Methods 0.000 claims description 6
- 230000007246 mechanism Effects 0.000 claims description 4
- 230000001936 parietal effect Effects 0.000 claims 1
- 238000005516 engineering process Methods 0.000 abstract description 6
- 230000006641 stabilisation Effects 0.000 abstract description 6
- 239000000446 fuel Substances 0.000 abstract description 4
- 238000004064 recycling Methods 0.000 abstract description 4
- 230000008901 benefit Effects 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 8
- 238000007599 discharging Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000002485 combustion reaction Methods 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 210000001520 comb Anatomy 0.000 description 2
- 239000008187 granular material Substances 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 239000010865 sewage Substances 0.000 description 2
- 239000000779 smoke Substances 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- 238000011105 stabilization Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 238000009423 ventilation Methods 0.000 description 2
- 235000002918 Fraxinus excelsior Nutrition 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000002956 ash Substances 0.000 description 1
- 239000002361 compost Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000005180 public health Effects 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 239000008399 tap water Substances 0.000 description 1
- 235000020679 tap water Nutrition 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 238000004065 wastewater treatment Methods 0.000 description 1
- -1 which burns Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/06—Sludge reduction, e.g. by lysis
Landscapes
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Treatment Of Sludge (AREA)
- Gasification And Melting Of Waste (AREA)
Abstract
The invention discloses a kind of municipal sludge vertical drying burning facility, including body of heater, the feed pipe at the top of body of heater, and the scum pipe located at bottom of furnace body；It is sequentially provided with preheating zone, dry section, incineration area, cooling zone and fracture area from top to bottom in body of heater；The following group is folded on the scattered castor bean cone and preheating comb basin that preheating zone is located at feed pipe lower section and combined by multigroup different angle forms；Dry section includes drying fire grate, and located at the scraper plate dried on fire grate；Incineration area, which is located to dry below fire grate and for sludge control oneself, to be burned；Cooling zone is the cooling of furnace slag region being connected with incineration area；The broken tower that fracture area includes being connected with cooling of furnace slag region is combed, and broken tower comb bottom connects with scum pipe；It the advantage is that and integrate municipal sludge drying and burn, in addition to igniting, it is not necessary to extra fuel, realize that municipal sludge is controlled oneself and burn, so as to simplify municipal sludge incineration treatment technology, reach minimizing, stabilisation, innoxious, recycling treatment.
Description
Technical field
The invention belongs to municipal sludge incineration technology field, burns and sets more particularly, to a kind of municipal sludge vertical drying
It is standby.
Background technology
In recent years, under national energy-saving emission reduction and pro-active fiscal policy effect, urban wastewater treatment is developed rapidly,
Cities and towns water environment treatment obtains remarkable effect.In trade effluent, sanitary sewage and municipal tap water processing procedure, it can produce various
The sludge of property, its composition and property have bigger difference, have part to still belong to danger wastes.But in China's Treatment of Sludge
In the method for disposal, existing 70% above is throw aside, and 20% is landfill, and what it is less than 10% is by being returned after the technical finesses such as compost
For soil.Sludge without effectively processing disposal, easily causes secondary pollution, direct threatening environment to underground water, soil etc.
Safety and public health, the environmental benefit of sewage treatment facility is substantially reduced, while influence national energy-saving emission reduction strategy implementation
Good effect.It is to be burned dehydrated sludge cake using incinerator that municipal sludge, which burns, sludge is turned into a small amount of ashes,
This method is reducing urban sludge, stabilisation, innoxious, recycling treatment effective means.Existing incinerator mainly has
Fluidized bed incinerator, multilayer grate furnace and kiln；These incinerators have the following disadvantages：（1）It is required to add during burning auxiliary
Combustion-supporting material；（2）Fluidized bed incinerator and kiln system averages to dry and burn two systems, cause incinerator operation compared with
Complexity, burning process are complicated：（3）Fire grate in multilayer grate furnace is the burner hearth side made of wear-resisting and resistant to elevated temperatures specific alloy
Wall and courtyard are made up of water cooling or refractory brick furnace wall；Manufacturing cost is high, maintenance difficult.
The content of the invention
The present invention seeks to：There is provided one kind to be not only simple in structure, and integrate the city that municipal sludge is dry and burns
City's sludge vertical drying burning facility, the equipment is in addition to igniting, it is not necessary to and extra fuel, realize that municipal sludge is controlled oneself and burn, from
And municipal sludge incineration treatment technology is simplified, reach minimizing, stabilisation, innoxious, recycling treatment.
The technical scheme is that：A kind of municipal sludge vertical drying burning facility, including body of heater, located at the body of heater
The feed pipe at top, and the scum pipe located at the bottom of furnace body；Be sequentially provided with from top to bottom in the body of heater preheating zone,
Dry section, incineration area, cooling zone and fracture area；The preheating zone is located at below the feed pipe and by multigroup different angle group
The following group is folded on the scattered castor bean cone and preheating comb basin closed forms；The dry section includes drying fire grate, and located at the drying oven
Scraper plate on comb；The incineration area burns below the dry fire grate and for sludge is self-holding；The cooling zone be with it is described
The cooling of furnace slag region that incineration area is connected；The broken tower that the fracture area includes being connected with the cooling of furnace slag region is combed,
And the broken tower comb bottom connects with the scum pipe；The scattered castor bean cone and preheating comb basin of preheating zone of the present invention have sludge blanket
Shape flowing, the staggeredly function such as heat exchange, anti-clogging, form uniform spatial distribution material curtain, increase draught area to greatest extent, improve and hand over
Change frequency；The drying fire grate and scraper plate of dry section of the present invention simultaneously, makes sludge fully dispersed, ensures to extend heat smoke and sludge hot
Swap time, effectively improve rate of heat exchange.
As preferable technical scheme, the body of heater is vertical furnace, and its ratio of height to diameter is 2 ~ 4, while the vertical furnace bag
The fire brick layer set gradually from inside to outside, heat-preservation cotton layer and furnace outer wall layer are included, utilizes the insulation of fire brick layer and heat-preservation cotton layer
Effect, completely cut off outside heat transmission, make body of heater exospheric temperature relatively low, be effectively improved the thermal efficiency, while reduce energy loss,
It is easy to the maintenance test of safe ready, and manufacturing cost is low.
As preferable technical scheme, the preheating zone dissipates castor bean cone by two groups and preheating comb basin forms, and the bulk cargo is combed
Bore and described preheat is equipped with seam of combing on comb basin, and the gap of gap lower floor's comb seam corresponding more than its of its upper strata comb seam, its
The gap size of seam of combing and distribution are distributed according to mud granule and determined.
As preferable technical scheme, being shaped as the seam of combing is up-narrow and down-wide trapezoidal, and the scattered castor bean cone and institute
The percent opening for stating preheating comb basin is 25%~45%, and effective draught area can reduce the internal drag of incinerator.
As preferable technical scheme, the percent opening of the dry fire grate is 40 ~ 60%, and the scraper plate is in the drying
Moved reciprocatingly on fire grate, ensure that the sludge after drying can pass through dry fire grate and reach incineration area.
As preferable technical scheme, the broken tower is combed is provided with Clothoid type disintegrating machine for broken frustum Pan Ta, its edge
Structure, its disk body are taper platform structure, while the broken tower is combed using interchangeable top of combing, replaceable sleeve and moving jaw plate composition, is not only increased
Edge crushing mechanism spacing, disk body discharging dead angle, breaking capacity increase are overcome, and integral central ventilation effect is strengthened, together
When in edge discharging it is steady, ensure incineration area flame stabilization, condition created for the self-sustaining burning of sludge.
As preferable technical scheme, the feed pipe and the scum pipe are obliquely installed, to be realized certainly using gravity
Dynamic charging and deslagging, the cone base angle at the wherein inclination angle of scum pipe and bottom of furnace body match, while the feed pipe and the row
Airlock is equipped with slag pipe, with Anti-air-leakage.
It is an advantage of the invention that：Municipal sludge vertical drying burning facility of the present invention is not only simple in structure, and collects city
Drying sludge and burn in one, except igniting is outer, it is not necessary to extra fuel, realize that municipal sludge is controlled oneself burning, so as to simplify
Municipal sludge incineration treatment technology, reach minimizing, stabilisation, innoxious, recycling treatment.
Brief description of the drawings
Below in conjunction with the accompanying drawings and embodiment the invention will be further described：
Fig. 1 is the structural representation of municipal sludge vertical drying burning facility of the present invention；
Fig. 2 is Fig. 1 of the present invention A-A to sectional view；
Wherein：1 feed pipe；2 bodies of heater, 21 fire brick layers, 22 heat-preservation cotton layers, 23 furnace outer wall layers；3 dissipate castor bean cone；4 preheatings are combed
Basin, 41 vibrating motors；5 dry fire grate；6 scraper plates；7 broken towers are combed；8 air inlets, 9 scum pipes.
Embodiment
Embodiment：Shown in reference picture 1,2, a kind of municipal sludge vertical drying burning facility, including body of heater 2, located at body of heater 2
The feed pipe 1 at top, and the scum pipe 9 located at the bottom of body of heater 2；Simultaneously be sequentially provided with from top to bottom in body of heater 2 preheating zone,
Dry section, incineration area, cooling zone and fracture area.
The preheating zone of the present invention is located at the lower section of feed pipe 1 and the scattered castor bean cone 3 combined by multigroup different angle and preheating are combed
The following group is folded on basin 4 forms, and each side of preheating comb basin 4 is correspondingly provided with a vibrating motor 41；Dry section includes drying fire grate
5, and located at the scraper plate 6 dried on fire grate 5；Incineration area, which is located to dry the lower section of fire grate 5 and for sludge control oneself, to be burned；Cooling zone
For the cooling of furnace slag region being connected with incineration area；Fracture area includes the broken tower comb 7 being connected with cooling of furnace slag region, and broken
Broken 7 bottoms of tower comb connect with scum pipe 9；The scattered castor bean cone 3 of preheating zone of the present invention and preheating comb basin 4 have sludge laminar flow,
The staggeredly function such as heat exchange, anti-clogging, uniform spatial distribution material curtain is formed, increase draught area to greatest extent, improved and exchange frequency；
The drying fire grate 5 and scraper plate 6 of dry section of the present invention simultaneously, makes sludge fully dispersed, ensures to extend heat smoke and sludge heat exchange
Time, effectively improve rate of heat exchange.
The body of heater 2 of the present invention is vertical furnace, and its ratio of height to diameter is 3.5, while the vertical furnace is included from inside to outside successively
Fire brick layer 21, heat-preservation cotton layer 22 and the furnace outer wall layer 23 of setting, using the insulation effect of fire brick layer 21 and heat-preservation cotton layer 22,
Completely cut off outside heat transmission, make body of heater exospheric temperature relatively low, be effectively improved the thermal efficiency, while reduce energy loss, be easy to
The maintenance test of safe ready, and manufacturing cost is low.
The preheating zone of the present invention dissipates castor bean cone 3 by two groups and preheating comb basin 4 forms, and dissipates on castor bean cone 3 and preheating comb basin 4
Provided with seam 9 of combing, and the comb gap of seam 9 of its upper strata is more than its corresponding lower floor and combed the gap of seam 9, the gap size of its seam 9 of combing and
Distribution is distributed according to mud granule to be determined, being shaped as seam 9 of combing is up-narrow and down-wide trapezoidal, and is dissipated castor bean cone 3 and preheated comb basin 4
Percent opening is 35%, and effective draught area can reduce the internal drag of incinerator.
The percent opening of the drying fire grate 5 of the present invention is 50%, and scraper plate 6 moves reciprocatingly on fire grate 5 is dried, and ensures to dry
Sludge after dry can pass through dry fire grate 5 and reach incineration area.
The broken tower of the present invention combs 7 to crush frustum Pan Ta, and its edge is provided with Clothoid type crushing mechanism, and its disk body is taper
Platform structure, while the broken tower combs 7 using interchangeable top of combing, replaceable sleeve and moving jaw plate composition, not only increases edge crushing mechanism
Spacing, disk body discharging dead angle, breaking capacity increase are overcome, and integral central ventilation effect is strengthened, while middle edge discharging is put down
Surely, ensure incineration area flame stabilization, condition is created for the self-sustaining burning of sludge.
The feed pipe 1 and scum pipe 9 of the present invention is obliquely installed, to realize automatic feed and deslagging using gravity, wherein
The cone base angle at the inclination angle of scum pipe 9 and the bottom of body of heater 2 matches, while is equipped with airlock on feed pipe 1 and scum pipe 9,
With Anti-air-leakage.
The concrete operating principle of the present invention is as follows：The sludge that moisture is 55% or so is entered in body of heater 2 by feed pipe 1
Portion, it is last uniformly to slide to drying in grate plate 5 then by two groups of scattered castor bean cones 3 stacked on top of one another and preheating comb basin 4, dry
Sludge afterwards falls on incineration area through scraper plate 6 and carries out burning of controlling oneself, and the sludge silt after burning cools down and reaches broken tower comb 7, through broken
It is discharged to after broken from scum pipe 8 outside body of heater 2.
Combustion air needed for sludge incineration of the present invention simultaneously flows from bottom to top, and in addition to igniting, it is not necessary to add it
Its auxiliary fuel, first combustion air are entered in cooling of furnace slag region by the air inlet 8 of the bottom of body of heater 2 through broken tower comb 7, to stove
Slag is cooled down, while the heat that high temperature furnace slag carries is preheated to air, and the air after preheating enters back into sludge incineration
Combustion air of the region as sludge incineration, caused hot gas is dried and preheated to wet mud upwards after sludge incineration,
Most discharged afterwards through the top of body of heater 2, air is discharged into after purification.
The preheating zone temperature of municipal sludge burning facility of the present invention is 150~350 DEG C, and dry section temperature is 350~550
DEG C, incineration area temperature is 550~850 DEG C of temperature, and for sludge silt after air cools down, about 100 DEG C or so are discharged body of heater after burning
Outside, body of heater Outlet Gas Temperature<200℃.
The above-described embodiments merely illustrate the principles and effects of the present invention, not for the limitation present invention.It is any ripe
Know the personage of this technology all can carry out modifications and changes under the spirit and scope without prejudice to the present invention to above-described embodiment.Cause
This, those of ordinary skill in the art is complete without departing from disclosed spirit and institute under technological thought such as
Into all equivalent modifications or change, should by the present invention claim be covered.
Claims (8)
- A kind of 1. municipal sludge vertical drying burning facility, it is characterised in that including body of heater, the charging at the top of the body of heater Pipe, and the scum pipe located at the bottom of furnace body；It is sequentially provided with preheating zone, dry section from top to bottom in the body of heater, burns Burn area, cooling zone and fracture area；The bulk cargo that the preheating zone is located at below the feed pipe and combined by multigroup different angle is combed The following group is folded on cone and preheating comb basin forms；The dry section includes drying fire grate, and the scraper plate on the dry fire grate； The incineration area burns below the dry fire grate and for sludge is self-holding；The cooling zone is to be connected with the incineration area Logical cooling of furnace slag region；The broken tower that the fracture area includes being connected with the cooling of furnace slag region is combed, and described broken Tower comb bottom connects with the scum pipe.
- 2. municipal sludge vertical drying burning facility according to claim 1, it is characterised in that the body of heater is vertical heater Body, its ratio of height to diameter is 2 ~ 4, while the vertical furnace is included outside the fire brick layer, heat-preservation cotton layer and the stove that set gradually from inside to outside Parietal layer.
- 3. municipal sludge vertical drying burning facility according to claim 1, it is characterised in that the preheating zone is by two groups Dissipate castor bean cone and preheating comb basin forms, be equipped with comb seam on the scattered castor bean cone and the preheating comb basin, and what is stitched combed in its upper strata Gap is more than the gap of its corresponding lower floor's comb seam.
- 4. municipal sludge vertical drying burning facility according to claim 3, it is characterised in that the seam of combing is shaped as Up-narrow and down-wide is trapezoidal, and the percent opening of the scattered castor bean cone and the preheating comb basin is 25%~45%.
- 5. municipal sludge vertical drying burning facility according to claim 1, it is characterised in that the dry fire grate is opened Porosity is 40 ~ 60%, and the scraper plate moves reciprocatingly on the dry fire grate.
- 6. municipal sludge vertical drying burning facility according to claim 1, it is characterised in that the broken tower, which is combed, to be broken Broken frustum Pan Ta, its edge are provided with Clothoid type crushing mechanism, and its disk body is taper platform structure.
- 7. municipal sludge vertical drying burning facility according to claim 1, it is characterised in that the feed pipe and described Scum pipe is obliquely installed.
- 8. municipal sludge vertical drying burning facility according to claim 1, it is characterised in that the feed pipe and described Airlock is equipped with scum pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610032767.1A CN105541076B (en) | 2016-01-19 | 2016-01-19 | A kind of municipal sludge vertical drying burning facility |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610032767.1A CN105541076B (en) | 2016-01-19 | 2016-01-19 | A kind of municipal sludge vertical drying burning facility |
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| Publication Number | Publication Date |
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| CN105541076A CN105541076A (en) | 2016-05-04 |
| CN105541076B true CN105541076B (en) | 2017-12-29 |
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| CN201610032767.1A Active CN105541076B (en) | 2016-01-19 | 2016-01-19 | A kind of municipal sludge vertical drying burning facility |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106426623B (en) * | 2016-11-14 | 2018-07-31 | 宁夏昊昊生物基环保科技发展有限公司 | Plastic granulating water cooling drying equipment |
| CN107462056A (en) * | 2017-09-25 | 2017-12-12 | 嘉善农马环保科技有限公司 | A kind of Chemical Manufacture drying machine |
| JP7201491B2 (en) * | 2019-03-19 | 2023-01-10 | メタウォーター株式会社 | Dehydrated sludge incineration method |
| CN110440273A (en) * | 2019-08-06 | 2019-11-12 | 天津壹新环保工程有限公司 | Sludge drying and burning integrated furnace |
| CN113531558A (en) * | 2021-07-21 | 2021-10-22 | 重庆乐乐环保科技有限公司 | Municipal wastewater sludge self-sustaining smoldering treatment device |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3976018A (en) * | 1975-02-14 | 1976-08-24 | William Paul Boulet | Dryer system |
| CN201844670U (en) * | 2010-10-11 | 2011-05-25 | 盐城市科宝达科技实业有限公司 | Special vertical dryer for coke |
| CN205368098U (en) * | 2016-01-19 | 2016-07-06 | 盐城工学院 | Vertical stoving incinerator of municipal sludge |
-
2016
- 2016-01-19 CN CN201610032767.1A patent/CN105541076B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3976018A (en) * | 1975-02-14 | 1976-08-24 | William Paul Boulet | Dryer system |
| CN201844670U (en) * | 2010-10-11 | 2011-05-25 | 盐城市科宝达科技实业有限公司 | Special vertical dryer for coke |
| CN205368098U (en) * | 2016-01-19 | 2016-07-06 | 盐城工学院 | Vertical stoving incinerator of municipal sludge |
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| Publication number | Publication date |
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| CN105541076A (en) | 2016-05-04 |
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