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 PDF

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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
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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Withdrawn
Application number
CN201711069268.0A
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Chinese (zh)
Inventor
屠正瑞
杨宏宜
方明
王朝雄
陈慧
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NANJING KAISHENG KAINENG ENVIRONMENTAL ENERGY SOURCES CO Ltd
Original Assignee
NANJING KAISHENG KAINENG ENVIRONMENTAL ENERGY SOURCES CO Ltd
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Priority to CN201711069268.0A priority Critical patent/CN107917427A/en
Publication of CN107917427A publication Critical patent/CN107917427A/en
Withdrawn legal-status Critical Current

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23GCREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G5/00Incineration of waste; Incinerator constructions; Details, accessories or control therefor
    • F23G5/006General arrangement of incineration plant, e.g. flow sheets
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23GCREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G5/00Incineration of waste; Incinerator constructions; Details, accessories or control therefor
    • F23G5/008Incineration 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
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23GCREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G5/00Incineration of waste; Incinerator constructions; Details, accessories or control therefor
    • F23G5/02Incineration of waste; Incinerator constructions; Details, accessories or control therefor with pretreatment
    • F23G5/027Incineration of waste; Incinerator constructions; Details, accessories or control therefor with pretreatment pyrolising or gasifying stage
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23GCREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G5/00Incineration of waste; Incinerator constructions; Details, accessories or control therefor
    • F23G5/02Incineration of waste; Incinerator constructions; Details, accessories or control therefor with pretreatment
    • F23G5/04Incineration of waste; Incinerator constructions; Details, accessories or control therefor with pretreatment drying
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23GCREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G5/00Incineration of waste; Incinerator constructions; Details, accessories or control therefor
    • F23G5/08Incineration of waste; Incinerator constructions; Details, accessories or control therefor having supplementary heating
    • F23G5/12Incineration of waste; Incinerator constructions; Details, accessories or control therefor having supplementary heating using gaseous or liquid fuel
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23GCREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G5/00Incineration of waste; Incinerator constructions; Details, accessories or control therefor
    • F23G5/44Details; Accessories
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23GCREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G5/00Incineration of waste; Incinerator constructions; Details, accessories or control therefor
    • F23G5/44Details; Accessories
    • F23G5/442Waste feed arrangements
    • F23G5/444Waste feed arrangements for solid waste
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27FURNACES; KILNS; OVENS; RETORTS
    • F27BFURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
    • F27B19/00Combinations of furnaces of kinds not covered by a single preceding main group
    • F27B19/04Combinations of furnaces of kinds not covered by a single preceding main group arranged for associated working
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23GCREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G2201/00Pretreatment
    • F23G2201/40Gasification
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23GCREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G2202/00Combustion
    • F23G2202/10Combustion in two or more stages
    • F23G2202/102Combustion in two or more stages with supplementary heating
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23GCREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G2204/00Supplementary heating arrangements
    • F23G2204/10Supplementary heating arrangements using auxiliary fuel
    • F23G2204/103Supplementary heating arrangements using auxiliary fuel gaseous or liquid fuel
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23GCREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G2900/00Special features of, or arrangements for incinerators
    • F23G2900/50007Co-combustion of two or more kinds of waste, separately fed into the furnace

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

A kind of system and method for cement kiln synergic processing house refuse
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.
CN201711069268.0A 2017-11-03 2017-11-03 A kind of system and method for cement kiln synergic processing house refuse Withdrawn CN107917427A (en)

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Cited By (9)

* Cited by examiner, † Cited by third party
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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 Combustible solid waste segmented oxygen-enriched gasification cooperative 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
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

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CN111704931A (en) * 2020-05-28 2020-09-25 西安交通大学 Combustible solid waste segmented oxygen-enriched gasification cooperative treatment system
CN111704931B (en) * 2020-05-28 2021-08-13 西安交通大学 Combustible solid waste segmented oxygen-enriched gasification cooperative treatment system
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Application publication date: 20180417