CN107917427A - A kind of system and method for cement kiln synergic processing house refuse - Google Patents
A kind of system and method for cement kiln synergic processing house refuse Download PDFInfo
- Publication number
- CN107917427A CN107917427A CN201711069268.0A CN201711069268A CN107917427A CN 107917427 A CN107917427 A CN 107917427A CN 201711069268 A CN201711069268 A CN 201711069268A CN 107917427 A CN107917427 A CN 107917427A
- Authority
- CN
- China
- Prior art keywords
- furnace
- rubbish
- grate
- cement kiln
- house refuse
- 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.)
- Withdrawn
Links
- 239000004568 cement Substances 0.000 title claims abstract description 48
- 238000000034 method Methods 0.000 title claims abstract description 24
- 230000002195 synergetic effect Effects 0.000 title claims abstract description 19
- 239000010813 municipal solid waste Substances 0.000 claims abstract description 68
- 239000007789 gas Substances 0.000 claims abstract description 17
- 238000002309 gasification Methods 0.000 claims abstract description 10
- 239000007788 liquid Substances 0.000 claims abstract description 8
- DNJIEGIFACGWOD-UHFFFAOYSA-N ethanethiol Chemical compound CCS DNJIEGIFACGWOD-UHFFFAOYSA-N 0.000 claims abstract description 7
- 238000005325 percolation Methods 0.000 claims abstract description 6
- 230000000505 pernicious effect Effects 0.000 claims abstract description 5
- 238000003860 storage Methods 0.000 claims description 30
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 14
- 239000003546 flue gas Substances 0.000 claims description 14
- 239000010808 liquid waste Substances 0.000 claims description 11
- 239000002893 slag Substances 0.000 claims description 11
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 10
- 238000002485 combustion reaction Methods 0.000 claims description 9
- 238000001914 filtration Methods 0.000 claims description 8
- 238000012423 maintenance Methods 0.000 claims description 7
- 238000004056 waste incineration Methods 0.000 claims description 6
- 238000000354 decomposition reaction Methods 0.000 claims description 5
- 230000003647 oxidation Effects 0.000 claims description 5
- 238000007254 oxidation reaction Methods 0.000 claims description 5
- 238000000227 grinding Methods 0.000 claims description 4
- 229910001385 heavy metal Inorganic materials 0.000 claims description 4
- 239000006148 magnetic separator Substances 0.000 claims description 4
- 235000012054 meals Nutrition 0.000 claims description 4
- 229910052751 metal Inorganic materials 0.000 claims description 4
- 239000002184 metal Substances 0.000 claims description 4
- 239000000843 powder Substances 0.000 claims description 4
- 238000001179 sorption measurement Methods 0.000 claims description 4
- 239000007921 spray Substances 0.000 claims description 4
- 239000000446 fuel Substances 0.000 claims description 3
- 239000000295 fuel oil Substances 0.000 claims description 3
- 150000002894 organic compounds Chemical class 0.000 claims description 3
- 231100000331 toxic Toxicity 0.000 claims description 3
- 230000002588 toxic effect Effects 0.000 claims description 3
- 241000209202 Bromus secalinus Species 0.000 claims description 2
- 241000208340 Araliaceae Species 0.000 claims 1
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 claims 1
- 235000003140 Panax quinquefolius Nutrition 0.000 claims 1
- 238000000151 deposition Methods 0.000 claims 1
- 238000011026 diafiltration Methods 0.000 claims 1
- 235000008434 ginseng Nutrition 0.000 claims 1
- 238000005516 engineering process Methods 0.000 abstract description 8
- 238000010304 firing Methods 0.000 abstract description 8
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 239000011440 grout Substances 0.000 abstract description 3
- 238000001035 drying Methods 0.000 abstract description 2
- 238000004064 recycling Methods 0.000 abstract description 2
- -1 bioxin Substances 0.000 abstract 1
- 239000010791 domestic waste Substances 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 239000002699 waste material Substances 0.000 description 4
- 241000196324 Embryophyta Species 0.000 description 3
- 238000004332 deodorization Methods 0.000 description 3
- 239000002994 raw material Substances 0.000 description 3
- 239000003245 coal Substances 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 230000008020 evaporation Effects 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000001473 noxious effect Effects 0.000 description 2
- 239000005416 organic matter Substances 0.000 description 2
- 238000005201 scrubbing Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 1
- ULGYAEQHFNJYML-UHFFFAOYSA-N [AlH3].[Ca] Chemical compound [AlH3].[Ca] ULGYAEQHFNJYML-UHFFFAOYSA-N 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000000149 chemical water pollutant Substances 0.000 description 1
- 239000003818 cinder Substances 0.000 description 1
- 238000009264 composting Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000001877 deodorizing effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000002283 diesel fuel Substances 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000011038 discontinuous diafiltration by volume reduction Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000003500 flue dust Substances 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 125000004435 hydrogen atom Chemical class [H]* 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 238000002203 pretreatment Methods 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 239000007790 solid phase Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 230000000153 supplemental effect Effects 0.000 description 1
- 239000002912 waste gas Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000005303 weighing 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
- F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
- F23G5/006—General arrangement of incineration plant, e.g. flow sheets
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
- F23G5/008—Incineration of waste; Incinerator constructions; Details, accessories or control therefor adapted for burning two or more kinds, e.g. liquid and solid, of waste being fed through separate inlets
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
- F23G5/02—Incineration of waste; Incinerator constructions; Details, accessories or control therefor with pretreatment
- F23G5/027—Incineration of waste; Incinerator constructions; Details, accessories or control therefor with pretreatment pyrolising or gasifying stage
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
- F23G5/02—Incineration of waste; Incinerator constructions; Details, accessories or control therefor with pretreatment
- F23G5/04—Incineration of waste; Incinerator constructions; Details, accessories or control therefor with pretreatment drying
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
- F23G5/08—Incineration of waste; Incinerator constructions; Details, accessories or control therefor having supplementary heating
- F23G5/12—Incineration of waste; Incinerator constructions; Details, accessories or control therefor having supplementary heating using gaseous or liquid fuel
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
- F23G5/44—Details; Accessories
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
- F23G5/44—Details; Accessories
- F23G5/442—Waste feed arrangements
- F23G5/444—Waste feed arrangements for solid waste
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B19/00—Combinations of different kinds of furnaces that are not all covered by any single one of main groups F27B1/00 - F27B17/00
- F27B19/04—Combinations of different kinds of furnaces that are not all covered by any single one of main groups F27B1/00 - F27B17/00 arranged for associated working
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G2201/00—Pretreatment
- F23G2201/40—Gasification
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G2202/00—Combustion
- F23G2202/10—Combustion in two or more stages
- F23G2202/102—Combustion in two or more stages with supplementary heating
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G2204/00—Supplementary heating arrangements
- F23G2204/10—Supplementary heating arrangements using auxiliary fuel
- F23G2204/103—Supplementary heating arrangements using auxiliary fuel gaseous or liquid fuel
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G2900/00—Special features of, or arrangements for incinerators
- F23G2900/50007—Co-combustion of two or more kinds of waste, separately fed into the furnace
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The invention discloses a kind of system and method for cement kiln synergic processing house refuse.The system includes feed system, gasification burning system, dreg removing system, stench processing system and percolation liquid treating system.Grate furnace is combined by the present invention with Cement production technology, the exhaust gas produced after incineration firing is introduced into the dore furnace of new dry process rotary kiln system, utilize 880 DEG C or so in dore furnace of high-temperature alkaline condition, further absorb and processing rubbish produces the pernicious gases such as bioxin, garbage disposal is reached the requirement of " innoxious, minimizing, recycling ".The present invention is easy to operate, stable, investment is small, it is small that grout line and environment are influenced, and is a kind of ideal Disposal of Domestic scheme.
Description
Technical field
The invention discloses a kind of system and method for cement kiln synergic processing house refuse, belong to domestic waste
Process field.
Background technology
As the improvement of people's living standards, the discharge of house refuse is also more and more.At present, China's domestic waste
Volume of cargo in storage occupies cultivated land 500,000,000 square metres up to 6,000,000,000 tons, produces 200,000,000 tons of domestic wastes every year, will also be with 9% speed
It is swift and violent to increase.The house refuse of these substantial amounts forms the prestige being on the rise to city and greenbelt ecological environment
The side of body.Traditional waste disposal method has landfill method, composting method and burning method, and Urban Garbage Treatment in China is started late, main at present
Will be based on sanitary landfills.Although establishing waste incineration and power plant in some cities, due to few there are treating capacity, processing
Process is with harmful gas (bioxin), sewage (landfill leachate), the emission problem such as waste residue (content of beary metal high), rubbish
Rubbish burning method still suffers from certain dispute at present.Unique production technology of manufacture of cement provides excellent for processing domestic waste
Good condition, overseas utilization cement kiln synergic processing house refuse have nearly 30 years history.
Processing domestic waste is cooperateed with using cement kiln, on the one hand can utilize the resolution garbage disposal of cement firing system
During foul smell and noxious material；On the other hand, the lime-ash that waste incineration produces can be used as cement mixture, in rubbish
Noxious material can resolve into corresponding inorganic matter and heavy metals immobilization in clinker.Meanwhile quality coal in cement kiln systems produces
Part high-temp waste gas can be as waste incineration supplemental heat source or whole heat source, the burning process of rubbish is more filled
Point, further reduce the discharge of bioxin.
The content of the invention
It is an object of the invention to propose a kind of system and method for cement kiln synergic processing house refuse, by using
Grate furnace is combined with Cement production technology, and the exhaust gas produced after incineration firing is introduced new dry process rotary kiln system
In dore furnace, using 880 DEG C or so in dore furnace of high-temperature alkaline condition, further absorb and processing rubbish produces bioxin
Deng pernicious gas, garbage disposal is set to reach the requirement of " innoxious, minimizing, recycling ".
The technical solution that present system uses is as follows：
A kind of system of cement kiln synergic processing house refuse, including feed system, gasification burning system, dreg removing system,
Stench processing system and percolation liquid treating system, feed system include rubbish storage hole and feed arrangement；On rubbish storage hole
Side is equipped with driving, and driving grab bucket send rubbish to feed arrangement, feed arrangement to be connected with gasification burning system；The gasification burning
System includes grate furnace, and grate furnace is connected with cement kiln dore furnace；The dreg removing system is connected with grate furnace；The Odor control
System is connected with rubbish storage hole；The percolation liquid treating system includes liquid waste tank and filtration apparatus, liquid waste tank and rubbish
Storage hole is connected, and one end of filtration apparatus is connected with liquid waste tank, and the other end is connected respectively to grate furnace and dore furnace.
Further, the grate furnace uses mechanical kiln grate furnace, including fire grate, furnace body frame, refractory lining, air-intake device
And slag bucket.
Further, the dreg removing system includes submerged slag conveyor, magnetic separator and ribbon conveyer.
Further, the stench processing system includes two-stage spray equipment and activated carbon adsorption unit.
Utilize the method for above-mentioned cement kiln synergic processing house refuse：Rubbish storage hole in rubbish by driving grab bucket send to
After feed arrangement, into grate furnace in be dried, gasify and burn, rubbish burned in grate furnace generation high-temperature flue gas warp
High-temperature flue is all sent to cement kiln dore furnace and participates in high temperature incineration, and using 880 DEG C in dore furnace of high-temperature alkaline condition, inhales
The pernicious gas that waste incineration produces is received and handled, toxic organic compound is thoroughly decomposed, while also replace the part of dore furnace
Fuel；Clinker after rubbish burns in grate furnace is collected through dreg removing system, is then discharged to follow-up slag handling system and is gone
Dispensing, grinding are participated in into raw meal powder except feed proportioning station is transported to after metal object, then by rotary system to be sintered into cement ripe
Material, heavy metal harmful element are solid-solubilized in clinker；The percolate that rubbish generates during storage is concentrated in liquid waste tank,
Then sent after filtered device filtration treatment to grate furnace and the incineration of dore furnace high temperature；When in cement kiln normal operation, contain
The air of foul smell by storage hole top inlet scoop suction out, a part as combustion air be sent into grate furnace in, by high-temp combustion,
Oxidation and decomposition；Another part introduces cement-kiln grate-cooler high temperature side, and foul smell is aoxidized under the hot conditions of grate-cooler, decomposed；
When stopping kiln maintenance in cement kiln, the foul gas in rubbish storage hole is suctioned out by the inlet scoop on storage hole top, is sent into foul smell
Processing system processing, is discharged into air after reaching malodorous discharge standard by exhaust blower.
Further, the flue gas temperature of hearth outlet of the grate furnace is maintained at not less than 950 DEG C, and the residence time is much larger than
2 seconds；After flue gas enters dore furnace, continue the environment more than 850 DEG C and stop 6 seconds.
Further, negative pressure state is maintained in the rubbish storage hole.
Further, the top in the rubbish storage hole sets two drivings, spare each other, wherein one is used for rubbish
Turning, another is used to grab in rubbish to be sent to feed arrangement.
Further, the startup of the grate furnace is by the hot wind from kiln hood grate-cooler and fuel oil burning, by grate furnace
Burn away the refuse again after being heated to certain temperature.
The present invention is easy to operate, stable, investment is small, it is small that grout line and environment are influenced, and has the characteristics that：
(1) grate furnace is widely used in garbage power industry, of the invention by waste fire grate furnace incineration technology and novel dry
The advantages of both method cement firing technologies perfect adaptation, maximum has played both technologies.
(2) do not have " to post-process ", exhaust-gas treatment has given cement firing system completely, has not only saved investment, but also improve
Discharge, reduces operation and maintenance cost.
(3) grate furnace flue gas temperature of hearth outlet is maintained at not less than 950 DEG C, and the residence time far surpasses 2 seconds.Into decomposition
After stove, it is the organic matter complete decompositions such as 6 seconds , bioxin to continue in 850 DEG C of environment above residence times.Exhaust gas enters to decompose furnace temperature
Degree is suitable with dore furnace, small to kiln line Influence of production.
(4) organic matter in house refuse be mainly carbon, hydrogen, oxygen, etc. element, can in the hot environment of quality coal in cement kiln systems
Decompose, inorganic matter is mainly the ferro-silico aluminium calcium that cement raw material needs, and is the component of cement raw material, will not be to the product quality of cement
Forming influences.
(5) without sorting, without crushing, pre-treatment worry is saved, system maintenance work amount is small, and maintenance is few, stable.
(6) the full negative-pressure operation in whole cooperative disposal region, the gas of extraction are sent to grate furnace and grate-cooler high temperature side high temperature
Burning is handled；At the same time when grout line is stopped transport, " scrubbing tower+activated carbon adsorption unit " efficient deodorizing device is equipped with, reaches effective
The purpose of foul smell diffusion is controlled, it is noiseless to cement plant.
(7) after the filtered processing of percolate, spray to high temperature evaporation oxidation processes in dore furnace, it is used by dore furnace heat
Property, organic principle is decomposed completely, realizes harmless treatment, zero-emission.
(8) the alkaline solid phase atmosphere in firing system, effectively inhibits the discharge of acidic materials so that SO2Change with Cl etc.
Study division to be fixed up into salt, " bioxin produced after reducing burning disposal " amount, and the sour gas such as SOx, HCl can be controlled
Body is discharged from chimney.
(9) cinder from refuse incineration is made into raw material, and clinker is burnt till by rotary kiln, avoids slag emission problem；It is and whole
System is operation operation under negative pressure, and flue gas and dust are almost without problem of leakage.All compositions are handled, and volume reduction minimizing is thorough
Bottom.
Brief description of the drawings
Fig. 1 is the structure diagram of present system.
Description of symbols in figure：1- cram packers；2- rubbish storages are cheated；3- driving grab buckets；4- drives a vehicle；5- feed arrangements；
6- grate furnaces；7- liquid waste tanks；8- filtration apparatuses；9- submerged slag conveyors；10- ribbon conveyers；11- magnetic separators；At 12- foul smell
Manage device；13- dore furnaces；14- exhaust blowers；C11 and C12 is level-one preheater；C2 is two level preheater；C3 preheats for three-level
Device；C4 is level Four preheater；C5 is Pyatyi preheater.
Embodiment
It is described further below in conjunction with drawings and examples.
A kind of system of the cement kiln synergic processing house refuse of the present embodiment, including feed system, gasification burning system,
Dreg removing system, stench processing system and percolation liquid treating system.Feed system includes rubbish storage hole 2, feed arrangement 5；Rubbish
2 top of rubbish storage hole is equipped with driving 4 and driving grab bucket 3；Feed arrangement 5 is connected with the grate furnace 6 of gasification burning system, and rubbish exists
It is dry in grate furnace 6, gasify, burn, grate furnace 6 and cement kiln dore furnace 13 connect, grate furnace 6 burn after flue gas send to point
Solve stove 13；The clinker of after-flame is sent to feed proportioning station after dreg removing system is collected and participates in dispensing, grinding into raw meal powder, dreg removing system
Including submerged slag conveyor 9, magnetic separator 11 and ribbon conveyer 10；Stench processing system uses a set of two-stage spray+activated carbon group
Attach together and put；Percolation liquid treating system includes sequentially connected liquid waste tank 7, filtration apparatus 8, and the waste liquid after processing is sent to grate furnace
6 and 13 high temperature of dore furnace incinerate.
The rubbish storage cheats 2 and maintains negative pressure state, and the foul smell part in storage hole 2 is used as outside 6 First air of grate furnace, separately
An outer part is sent to grate-cooler cooling blower by wind turbine.During gasification burning system shutdown, garbage warehouse foul smell passes through Odor control
Device 12 externally discharges after handling qualification.
The present embodiment provides a kind of method of cement kiln synergic processing house refuse, comprise the following steps that：
Rubbish is transported to cooperative disposal plant area by cram packer 1, through weighbridge at plant area gate, after operation of weighing；By rubbish
Rubbish is discharged in rubbish storage hole 2.Rubbish storage is stacked using subregion, and rubbish storage hole top is equipped with two drivings 4, standby each other
With a turning for being used for rubbish, another is grabbed rubbish the 5 top hopper of feed arrangement for being sent to grate furnace 6, feed arrangement 5
Rubbish is transported to 6 inner burning of grate furnace again；The combustion air source of grate furnace 6 is produced in outdoor air and rubbish storage hole 2
Foul gas, rubbish is dry in grate furnace 6, burns, after-flame.
The rubbish high-temperature flue gas that burning produces in grate furnace 6 is all sent to cement kiln dore furnace 13 through high-temperature flue and participates in
High temperature incineration, and using 880 DEG C or so in dore furnace 13 of high-temperature alkaline condition, absorb and processing waste incineration produces bis- Evil
The pernicious gases such as English, make toxic organic compound thoroughly decompose, while also replace dore furnace part of fuel.Clinker after incineration firing
Collected through dreg removing system, and be discharged to follow-up slag handling system and remove and be transported to feed proportioning station after metal object and participate in matching somebody with somebody
Material, grinding are sintered into clinker into raw meal powder, then by rotary system, and heavy metal harmful element is solid-solubilized in clinker.
Wherein, grate furnace 6 is mechanical grate furnace, including fire grate, furnace body frame, refractory lining, air-intake device and slag bucket
Deng.The startup of grate furnace 6 is burnt by the hot wind from kiln hood grate-cooler and fuel oil, after grate furnace 6 is heated to certain temperature
Burn away the refuse again, (be less than 1000kCal/kg) when refuse thermal value is very low, it is combustion-supporting by spraying into appropriate diesel oil progress into stove,
To ensure that stablizing for rubbish is burnt.The flue gas temperature of hearth outlet of grate furnace 6 is maintained at not less than 950 DEG C, and the residence time far surpasses 2
Second；After flue gas enters dore furnace 13, continue environment residence time more than 850 DEG C and divide for organic matters such as 6 seconds , bioxin
Solution is thorough.Temperature when exhaust gas enters dore furnace 13 is suitable with the temperature of dore furnace 13, small to kiln line Influence of production.
Deodorization and cement kiln stop deodorization during kiln maintenance when dump pit deodorization is divided into cement kiln normal operation.It is normal in cement kiln
During operation, suctioned out containing odorous air from the inlet scoop on dump pit top, a part is sent into grate furnace 6 as combustion air
It is interior, by high-temp combustion, oxidation, decomposition；Another part introduces cement-kiln grate-cooler high temperature side, and foul smell is in 1200 DEG C or so of grate-cooler
Aoxidize, decompose under hot conditions.When cement kiln stops kiln maintenance, foul gas in dump pit is configured on dump pit top
Air port is discharged, and the smelly water treatment facilities 12 for being sent into scrubbing tower+activated carbon adsorption is handled, and is reached after national malodorous discharge standard by arranging
Wind turbine 14 is discharged into air.The percolate that rubbish generates during storage is concentrated in liquid waste tank 7, then filtered place
Injection, by 13 thermal inertia of dore furnace, decomposes organic principle completely to high temperature evaporation oxidation processes in dore furnace 13 after reason.
Rubbish is when the residence time on fire grate is about 1.5~2.5 small.The lower part of grate surface is equipped with an air compartment and supplies rubbish
The required air of rubbish burning simultaneously cools down fire grate segment；Burner hearth is equipped with front and rear arch, to strengthen the heat radiation to rubbish on fire grate,
Secondary Air is injected in stove by the nozzle encircleed before and after burner hearth, is strengthened the disturbance of flue gas, is extended the fire stroke of flue gas.Set after stove
Flame eye is put, the combustion position for enabling operations staff to be observed at any time in central control room in burner hearth.Grate furnace 6 reserves stove
Interior leachate recycle mouth.Grate furnace incineration technology includes complete automatic combustion control logic, can be realized independently by this configuration
Firing optimization, effectively reduces the amount of manually adjusting, has higher automatization level, thus effectively increase the stability of burning with
Completeness.
Claims (9)
1. a kind of system of cement kiln synergic processing house refuse, including it is feed system, gasification burning system, dreg removing system, smelly
Gas processing system and percolation liquid treating system, it is characterised in that feed system includes rubbish storage hole (2) and feed arrangement
(5)；Driving (4) is equipped with above rubbish storage hole (2), driving grab bucket (3) send rubbish to feed arrangement (5), feed arrangement (5)
It is connected with gasification burning system；The gasification burning system includes grate furnace (6), grate furnace (6) and cement kiln dore furnace (13)
Connection；The dreg removing system is connected with grate furnace (6)；The stench processing system is connected with rubbish storage hole (2)；The diafiltration
Liquid treating system includes liquid waste tank (7) and filtration apparatus (8), and liquid waste tank (7) is connected with rubbish storage hole (2), filtering dress
The one end for putting (8) is connected with liquid waste tank (7), and the other end is connected respectively to grate furnace (6) and dore furnace (13).
A kind of 2. system of cement kiln synergic processing house refuse as claimed in claim 1, it is characterised in that the grate furnace
(6) mechanical kiln grate furnace, including fire grate, furnace body frame, refractory lining, air-intake device and slag bucket are used.
A kind of 3. system of cement kiln synergic processing house refuse as claimed in claim 1, it is characterised in that the deslagging system
System includes submerged slag conveyor (9), magnetic separator (11) and ribbon conveyer (10).
4. a kind of system of cement kiln synergic processing house refuse as claimed in claim 1, it is characterised in that at the foul smell
Reason system includes two-stage spray equipment and activated carbon adsorption unit.
A kind of 5. method of cement kiln synergic processing house refuse, it is characterised in that include the following steps：Rubbish storage cheats (2)
In rubbish sent by driving grab bucket (3) to feed arrangement (5), into being dried, gasify and burn in grate furnace (6), rubbish
The rubbish high-temperature flue gas that burning produces in grate furnace (6) is all sent to cement kiln dore furnace (13) participation high temperature through high-temperature flue and burns
Burn, and using 880 DEG C in dore furnace (13) of high-temperature alkaline condition, absorb and handle the pernicious gas that waste incineration produces, make
Toxic organic compound thoroughly decomposes, while also replaces the part of fuel of dore furnace (13)；Rubbish is in grate furnace (6) after burning
Clinker is collected through dreg removing system, is then discharged to after follow-up slag handling system removes metal object and is transported to feed proportioning station ginseng
With dispensing, grinding into raw meal powder, then by rotary system clinker is sintered into, heavy metal harmful element is solid-solubilized in clinker
In；The percolate that rubbish generates during storage is concentrated in liquid waste tank (7), then filtered device (8) filtration treatment
After send to grate furnace (6) and dore furnace (13) high temperature incineration；When in cement kiln normal operation, containing odorous air by storing
The inlet scoop for cheating top suctions out, and a part is sent into grate furnace (6) as combustion air, by high-temp combustion, oxidation and decomposition；Separately
A part introduces cement-kiln grate-cooler high temperature side, and foul smell is aoxidized under the hot conditions of grate-cooler, decomposed；When stopping kiln in cement kiln
During maintenance, the foul gas in rubbish storage hole (2) is suctioned out by the inlet scoop on storage hole top, is sent at stench processing system
Reason, is discharged into air after reaching malodorous discharge standard by exhaust blower (14).
A kind of 6. method of cement kiln synergic processing house refuse as claimed in claim 5, it is characterised in that the grate furnace
(6) flue gas temperature of hearth outlet is maintained at not less than 950 DEG C, and the residence time is much larger than 2 seconds；Flue gas enters dore furnace (13)
Afterwards, continue the environment more than 850 DEG C to stop 6 seconds.
A kind of 7. method of cement kiln synergic processing house refuse as claimed in claim 5, it is characterised in that the garbage storing
Deposit and negative pressure state is maintained in hole (2).
A kind of 8. method of cement kiln synergic processing house refuse as claimed in claim 5, it is characterised in that the garbage storing
The top for depositing hole (2) sets two drivings (4), spare each other, wherein a turning for being used for rubbish, another is used for rubbish
Grab and be sent to feed arrangement (5).
A kind of 9. method of cement kiln synergic processing house refuse as claimed in claim 5, it is characterised in that the grate furnace
(6) grate furnace (6) is heated to burn again after certain temperature by startup by the hot wind from kiln hood grate-cooler and fuel oil burning
Rubbish.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711069268.0A CN107917427A (en) | 2017-11-03 | 2017-11-03 | A kind of system and method for cement kiln synergic processing house refuse |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711069268.0A CN107917427A (en) | 2017-11-03 | 2017-11-03 | A kind of system and method for cement kiln synergic processing house refuse |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107917427A true CN107917427A (en) | 2018-04-17 |
Family
ID=61895263
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711069268.0A Withdrawn CN107917427A (en) | 2017-11-03 | 2017-11-03 | A kind of system and method for cement kiln synergic processing house refuse |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107917427A (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109012017A (en) * | 2018-07-26 | 2018-12-18 | 重庆秋松环保科技有限公司 | Exhaust treatment system and method |
| CN109265028A (en) * | 2018-11-12 | 2019-01-25 | 乐山华宇欣和石油科技有限公司 | The device and method of processing drilling wastes are cooperateed with using cement kiln |
| CN110171935A (en) * | 2019-05-23 | 2019-08-27 | 惠州市环境科学研究所 | A kind of method of cement kiln synergic processing footwear material leftover pieces |
| CN111704931A (en) * | 2020-05-28 | 2020-09-25 | 西安交通大学 | A combustible solid waste staged oxygen-enriched gasification synergistic treatment system |
| CN111998354A (en) * | 2020-07-16 | 2020-11-27 | 安徽上峰杰夏环保科技有限责任公司 | Cement kiln household garbage treatment device and method |
| CN112228876A (en) * | 2020-09-10 | 2021-01-15 | 长沙中硅环保科技有限公司 | Domestic garbage gasification incineration treatment method and system |
| CN112240554A (en) * | 2020-11-06 | 2021-01-19 | 北京金隅北水环保科技有限公司 | Method for disposing dangerous goods packaging container |
| CN113357929A (en) * | 2021-06-18 | 2021-09-07 | 武汉科技大学 | Cement decomposition kiln coupled with grate and process for cooperatively disposing household garbage |
| CN114017778A (en) * | 2021-09-28 | 2022-02-08 | 安徽华塑股份有限公司 | Treatment method for treating park solid waste by cooperation of cement kiln |
| CN109084309B (en) * | 2018-07-16 | 2023-12-22 | 温州市环境发展有限公司 | Air pressure drainage system for cutting off toxic gas and dust |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4678514A (en) * | 1984-03-27 | 1987-07-07 | Dyckerhoff Engineering Gmbh | Process for the disposal of combustible refuses |
| JPH1119623A (en) * | 1997-07-02 | 1999-01-26 | Mitsubishi Materials Corp | Treatment of refuse incineration ash containing dioxin |
| CN104048298A (en) * | 2014-07-04 | 2014-09-17 | 南京凯盛开能环保能源有限公司 | Method for disposing household refuse in cooperation with cement kiln with partial waste heat recovery function and system |
| CN104058614A (en) * | 2014-07-02 | 2014-09-24 | 南京凯盛国际工程有限公司 | System of cement kiln for co-treatment of household garbage |
| CN104058615A (en) * | 2014-07-02 | 2014-09-24 | 南京凯盛国际工程有限公司 | System for synergistically treating household garbage through cement kiln |
| CN104438296A (en) * | 2014-12-05 | 2015-03-25 | 袁亮国 | Dry-process rotary cement kiln cooperative household garbage treatment system and treatment method |
-
2017
- 2017-11-03 CN CN201711069268.0A patent/CN107917427A/en not_active Withdrawn
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4678514A (en) * | 1984-03-27 | 1987-07-07 | Dyckerhoff Engineering Gmbh | Process for the disposal of combustible refuses |
| JPH1119623A (en) * | 1997-07-02 | 1999-01-26 | Mitsubishi Materials Corp | Treatment of refuse incineration ash containing dioxin |
| CN104058614A (en) * | 2014-07-02 | 2014-09-24 | 南京凯盛国际工程有限公司 | System of cement kiln for co-treatment of household garbage |
| CN104058615A (en) * | 2014-07-02 | 2014-09-24 | 南京凯盛国际工程有限公司 | System for synergistically treating household garbage through cement kiln |
| CN104048298A (en) * | 2014-07-04 | 2014-09-17 | 南京凯盛开能环保能源有限公司 | Method for disposing household refuse in cooperation with cement kiln with partial waste heat recovery function and system |
| CN104438296A (en) * | 2014-12-05 | 2015-03-25 | 袁亮国 | Dry-process rotary cement kiln cooperative household garbage treatment system and treatment method |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109084309B (en) * | 2018-07-16 | 2023-12-22 | 温州市环境发展有限公司 | Air pressure drainage system for cutting off toxic gas and dust |
| CN109012017A (en) * | 2018-07-26 | 2018-12-18 | 重庆秋松环保科技有限公司 | Exhaust treatment system and method |
| CN109012017B (en) * | 2018-07-26 | 2024-03-08 | 重庆秋松环保科技有限公司 | Exhaust gas treatment system and method |
| CN109265028A (en) * | 2018-11-12 | 2019-01-25 | 乐山华宇欣和石油科技有限公司 | The device and method of processing drilling wastes are cooperateed with using cement kiln |
| CN110171935A (en) * | 2019-05-23 | 2019-08-27 | 惠州市环境科学研究所 | A kind of method of cement kiln synergic processing footwear material leftover pieces |
| CN111704931A (en) * | 2020-05-28 | 2020-09-25 | 西安交通大学 | A combustible solid waste staged oxygen-enriched gasification synergistic treatment system |
| CN111704931B (en) * | 2020-05-28 | 2021-08-13 | 西安交通大学 | A combustible solid waste staged oxygen-enriched gasification synergistic treatment system |
| CN111998354A (en) * | 2020-07-16 | 2020-11-27 | 安徽上峰杰夏环保科技有限责任公司 | Cement kiln household garbage treatment device and method |
| CN112228876A (en) * | 2020-09-10 | 2021-01-15 | 长沙中硅环保科技有限公司 | Domestic garbage gasification incineration treatment method and system |
| CN112240554A (en) * | 2020-11-06 | 2021-01-19 | 北京金隅北水环保科技有限公司 | Method for disposing dangerous goods packaging container |
| CN113357929B (en) * | 2021-06-18 | 2022-04-01 | 武汉科技大学 | A cement decomposition kiln coupled with a grate and a process for co-processing domestic waste |
| CN113357929A (en) * | 2021-06-18 | 2021-09-07 | 武汉科技大学 | Cement decomposition kiln coupled with grate and process for cooperatively disposing household garbage |
| CN114017778A (en) * | 2021-09-28 | 2022-02-08 | 安徽华塑股份有限公司 | Treatment method for treating park solid waste by cooperation of cement kiln |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107917427A (en) | A kind of system and method for cement kiln synergic processing house refuse | |
| CN106122980B (en) | A kind of process system for cement kiln synergic processing hazardous waste | |
| CN1844747B (en) | Cement rotary kiln and incinerator combined system for treating municipal solid waste and its application | |
| WO2019095964A1 (en) | Treatment method and device for cooperatively burning garbage and semi-dry sludge | |
| CN102070308B (en) | Device technology configuration method for treating house refuses by using rotary cement kiln | |
| CN105032884B (en) | Cement rotary kiln collaboration processes house refuse and energy comprehensive utilization system and method | |
| CN202630070U (en) | System for disposing household garbage jointly by fire grate incinerator and cement kiln | |
| WO2019237695A1 (en) | System and method for power generation in cement kiln with cooperative treatment for household waste | |
| CN104058614A (en) | System of cement kiln for co-treatment of household garbage | |
| CN203923026U (en) | A kind of system of cement kiln synergic processing domestic refuse | |
| CN102145343B (en) | Integrated garbage treatment and utilization method for effectively controlling dioxin | |
| CN107459271A (en) | Cement kiln synergic processing domestic waste and sludge technology | |
| CN201990601U (en) | System capable of cooperatively treating domestic garbage with cement clinker production line | |
| CN104438296A (en) | Dry-process rotary cement kiln cooperative household garbage treatment system and treatment method | |
| CN105889933A (en) | Garbage incinerating device and method for conducting deacidification in garbage incinerator | |
| CN208840195U (en) | A kind of life refuse high temperature cracking treatment system | |
| CN108036323A (en) | The system and method that cement kiln cooperates with multifuel combustion garbage flying ash and sludge eco-cement | |
| CN100424415C (en) | Method and system for gasification, melting and incineration treatment of municipal solid waste | |
| CN106966618A (en) | A kind of method of cement kiln synergic processing house refuse | |
| CN112228876A (en) | Domestic garbage gasification incineration treatment method and system | |
| CN202224433U (en) | Refuse treatment system unit capable of effectively restraining dioxin | |
| CN109631042A (en) | A kind of refuse pyrolysis volume reduction method | |
| CN110615594A (en) | Efficient and clean sludge drying and blending combustion system for garbage power plant | |
| CN205402733U (en) | Domestic waste and/or industrial waste's processing production line | |
| CN204276506U (en) | A kind of dry method cement rotary kiln associated treatment house refuse system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20180417 |