CN105972604B - A kind of house refuse pretreatment system and method for being coupled in cement kiln synergic processing - Google Patents
A kind of house refuse pretreatment system and method for being coupled in cement kiln synergic processing Download PDFInfo
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- CN105972604B CN105972604B CN201610526335.6A CN201610526335A CN105972604B CN 105972604 B CN105972604 B CN 105972604B CN 201610526335 A CN201610526335 A CN 201610526335A CN 105972604 B CN105972604 B CN 105972604B
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- 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
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- 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
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- 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
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- 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
- F23G5/033—Incineration of waste; Incinerator constructions; Details, accessories or control therefor with pretreatment comminuting or crushing
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- 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
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- 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
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- 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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G2201/00—Pretreatment
- F23G2201/10—Drying by heat
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G2201/00—Pretreatment
- F23G2201/30—Pyrolysing
- F23G2201/302—Treating pyrosolids
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- 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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G2201/00—Pretreatment
- F23G2201/60—Separating
- F23G2201/602—Separating different sizes
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G2201/00—Pretreatment
- F23G2201/80—Shredding
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The invention discloses a kind of house refuse pretreatment system and method for being coupled in cement kiln synergic processing, the first disintegrating machine and the first screening machine including interconnection, dirt rubbish is by transmitting one gasification heat separation device of band connection under the sieve of first screening machine, the heat separation device that gasifies separates organic matter and inorganic matter in dirt rubbish, a gasification pipe being connected with cement kiln dore furnace of gasification heat separation device connection；The present invention solves 2 technical barriers in the rubbish preprocessing process based on cement kiln disposal, the handling problems of the high screenings of dirt content and percolate, the separation for adequately achieving dirt rubbish is sieved again by first crushing, avoid the influence to biological dewatered process, thermal release of the dirt rubbish Jing Guo vaporous form, organic matter therein is converted into gaseous fuel and is sent into dore furnace, inorganic matter transports cement raw material dispensing workshop to as gasifier slag and carries out dispensing together, and the engineering technology that this directly carries out cement ingredient with existing dirt screenings is entirely different.
Description
Technical field
The present invention relates to Disposal of Domestic, and in particular to a kind of house refuse for being coupled in cement kiln synergic processing is located in advance
Put system and method.
Background technology
Life in China refuse production is big, about 1.9 hundred million t/a, accounts for the 29% of world's refuse production.China city at present
Domestic garbage was harmlessly treated mode includes landfill, compost, burning, wherein based on landfill (accounting more than 80%), but burn ratio
Example rises quickly.From the point of view of short-term trend, due to the requirement of " minimizing ", garbage incineration technology is quite favored.According to Beijing
On pushing forward some opinions of domestic rubbish disposal work comprehensively, Domestic Waste In Beijing in 2012 burns, biochemical treatment and fills out
The ratio buried is 2:3:5, realize that city crude waste zero padding is buried, the ratio of 2015 is 4:3:3, substantially meet heterogeneity rubbish
The demand of rubbish processing, realizes that the zero padding of whole city's house refuse is buried, it is seen that will in a manner of the comprehensive garbage disposal based on burning disposal
As the main navigation mark of following garbage disposal.
But because the house refuse of China's most area is by the way of mixed collection, its complicated component, and often with
Region and season and change, the calorific value that this allows for rubbish is very unstable, burn to generate electricity or heating system bring many and ask
Topic, does not often reach expected purpose of design.For the normal operation of maintenance system, most of garbage burning factories are frequently with addition
The mode of a large amount of auxiliary fuels carries out afterburning so that operating cost increases substantially, and has a strong impact on its economic benefit；In addition rubbish
Burning disposal can produce 2 fraction solids accessory substances, and a part is incineration residue, accounts for the 20-30% of waste incineration amount, finally adopts
It is disposed with land-fill method, another part is flying ash, accounts for the 2-4% of waste incineration amount, because this moieties contains
Heavy metal and bioxin equivalent risk pollutant, carry out depth landfill stabilization after typically using cement solidification, it is seen that burning disposal needs
Coordinate the final consumption place of landfill stabilization to realize the processing of discarded object, so to be taken into full account when incineration plant is built
The corresponding problem of landfill yard；Last garbage burning factory dioxin emission problems are always the focus of public concern, public opinion
Pressure is very big, and it is very big that incineration plant builds resistance.
With increasingly highlighting for waste incineration problem, and sustainable development idea deepens continuously, to urban life
In the process problem of rubbish, no longer only resided within how to control and destroy this it is traditional it is old in idea.But take product
Pole attitude and effective measure, progress are reclaimed and comprehensively utilized to greatest extent, to create " the rubbish production with good economic benefits
Industry ".European Union is in terms of domestic waste is handled, it is desirable to no longer newly-built combustible waste incineration plant and landfill of life waste
, all from now on new caused combustible wastes and rubbish will take other safer more economical methods, as much as possible entirely
Portion disposes immediately, settles at one go, full dose consumption, does not stay future trouble, as far as possible few with or without landfill yard and incinerator；Simultaneously to cement
The prospect of industry consumption combustible waste and domestic waste is also rather good.
The security of cement kiln synergic processing danger solid waste has obtained worldwide accreditation, cooperative disposal life rubbish
The security of the city such as rubbish solid waste is indubitable.But because the moisture in primary house refuse is high, geomery is irregular,
The factors such as calorific value is low, cement kiln disposal is directly used in, there is the shortcomings that disposal amount is low, big to cement kiln influence on system operation.Therefore, it is necessary to
House refuse is pre-processed, to reduce moisture, improve calorific value, increase treating capacity.
The content of the invention
The purpose of the present invention is to propose to a kind of house refuse pretreatment system and method for being coupled in cement kiln synergic processing,
For the technical characterstic of cement kiln disposal house refuse, the key issue solved with reference to the needs in preprocessing process, it is proposed that
A kind of brand-new house refuse pretreatment system and method for being coupled in cement kiln, realize processing and the cement kiln of house refuse
Slitless connection, reach the near-zero release of solid, liquid, gas in the direct preprocessing process of house refuse.
To achieve these goals, the technical scheme is that：
A kind of house refuse collaboration pretreatment system for being coupled in cement kiln, wherein, the system includes what is be connected with each other
First disintegrating machine and the first screening machine, dirt rubbish is filled by transmitting one gasification thermal release of band connection under the sieve of the first screening machine
Put, organic matter and inorganic matter in gasification heat separation device separation dirt rubbish, one and water of gasification heat separation device connection
The gasification pipe of stall dore furnace connection, gasification pipe are used to convey the gas after organic matter gasification, and gasification heat separation device is also
A conveyer belt is connected, the inorganic matter gasifier slag of gasification heat separation device separation is sent into cement raw material dispensing system by conveyer belt
System；The oversize of first screening machine is connected to a dashpot by belt, and the more valves of hydraulic pressure with driving are provided with dashpot
Grab claw, rubbish material is uniformly arranged in biological dewatered treatment trough by the oversize rubbish in dashpot by grab bucket to be carried out
Drying and other treatment, after rubbish biological desiccation terminates, then by grabbing bucket desiccation product is transported to a batcher containing feed bin, be fed
Machine connects the second screening machine；Second screening machine connects two sorting units, and magnetic separator is provided with the first sorting unit and is used to locate
The second screening machine screenings is managed, the outlet of the first sorting unit connects the gasification heat separation device, to the second screening machine screenings
Carry out gasification resolution process；Magnetic separator and roots blower are provided with second sorting unit, for handling the second sifted
Thing, the second sorting unit connect two conveyer belts, and a conveyer belt is sent the light material that selection by winnowing goes out as high heating value alternative fuel
Enter the second disintegrating machine to be further crushed to below particle diameter 50mm, it is direct to be then transported to the chain mat machine containing feed bin by belt connection
It is sent to the dore furnace of cement kiln；The heavy material that another article of conveyer belt goes out selection by winnowing is sent into water after being transported to the 3rd crusher in crushing
Mud raw material mixing system.
Scheme is further：The light material is the material blown out by roots blower, and the heavy material is that roots blower blows
Surplus material.
Scheme is further：The dashpot includes multiple drying and other treatment grooves, and drying and other treatment groove 2.5m above ground level is extremely
3.5m, underground 0.5m to 0.8m is stretched into, the collecting tank of percolate is provided with drying and other treatment trough lower bottom part, in drying and other treatment trough
Lower middle part is provided with ventilation shaft；Drying and other treatment groove underground and aboveground enters between-line spacing by laying aeration board, aeration board it
On be provided with multiple air vents, the centrifugal blower being connected with airduct of divulging information is set outside drying zone residing for drying and other treatment groove.
Scheme is further：The collecting tank of the percolate is provided with percolate draw-off pump, and the extraction pipeline of draw-off pump is straight
Kiln hood, kiln tail or the gasification furnace of cement kiln are connected in succession；The collecting tank of the percolate is provided with overfall, overfall connection
One or more fermentation tanks, it is stacked with fermentation tank and is fermented thing；Fermentation tank connects batcher, and batcher connects the gasification
Stove.
Scheme is further：The thing that is fermented is leaf, stalk, straw or their mixture.
A kind of method of disposal that pretreatment system is cooperateed with based on the house refuse for being coupled in cement kiln, the system include phase
The first disintegrating machine and the first screening machine to connect, dirt rubbish is by transmitting one gasification of band connection under the sieve of the first screening machine
Heat separation device, gasification heat separation device separate organic matter and inorganic matter in dirt rubbish, gasification heat separation device connection
One gasification pipe being connected with cement kiln dore furnace, gasification pipe are used to convey the gas after organic matter gasification, heat of gasification point
A conveyer belt is also connected with from device, the inorganic matter gasifier slag of gasification heat separation device separation is sent into cement raw material by belt
Feed proportioning system；The oversize of first screening machine is described by being used as the raw material of drying and other treatment after Belt Conveying a to dashpot
Dashpot includes multiple drying and other treatment grooves, drying and other treatment groove 2.5m above ground level to 3.5m, stretches into underground 0.5m to 0.8m, dry
The middle part for changing treatment trough under ground portion sets ventilation shaft, and drying and other treatment trough lower part and aerial part are carried out by aeration board
It is spaced, multiple solarization air caps is disposed with aeration board, biological dewatered required oxygen is conveyed to by ventilation shaft and solarization air cap
Rubbish material on aeration board, drying zone residing for drying and other treatment groove are provided with air exhauster outside, and air exhauster will give up caused by drying zone
Gasification furnace, dore furnace or kiln hood are delivered directly to after gas centralized collection；Hydraulic pressure orange-peel bucket machine, grab claw are provided with dashpot
One batcher containing feed bin of connection, batcher the second screening machine of connection, the second screening machine two sorting units of connection, first point
Be provided with screening device magnetic separator be used for handle the second screening machine screenings, the outlet of the first sorting unit connects the heat of gasification and divided
From device, gasification resolution process is carried out to the second screening machine screenings；Magnetic separator and Roots's wind are provided with second sorting unit
Machine, for handle the second screening machine oversize, the second sorting unit connect two conveyer belts, a conveyer belt goes out selection by winnowing light
Material is sent into the second disintegrating machine as high heating value alternative fuel and is further crushed to below particle diameter 50mm, is then connected by belt
It is transported to the dore furnace that the chain mat machine containing feed bin is sent directly into cement kiln；The heavy material that another conveyer belt goes out selection by winnowing conveys
Cement raw material dispensing system is sent into after to the 3rd crusher in crushing, methods described includes：
Dirt rubbish under the sieve of first screening machine is separated in the heat separation device that gasifies with 850 DEG C -1100 DEG C of temperature
Organic matter and inorganic matter in dirt rubbish；
Second screening machine screenings is sieved in the heat separation device that gasifies with 850 DEG C -1100 DEG C of temperature separation second
Organic matter and inorganic matter in machine screenings；
Drying and other treatment is made to the oversize of the first screening machine in dashpot：With grab bucket walking to transmit come first sieve
The oversize of machine carries out cloth in drying and other treatment groove, and lays one layer with the organic of gap on drying and other treatment groove aeration board
Filler, drying and other treatment trench bottom are additionally provided with the collecting tank of percolate, pass through the centrifugal blower that is set outside drying zone, drying and other treatment
It is defeated to rubbish material with the aeration board of under ground portion on the ventilation shaft and interval drying and other treatment trough that middle part is set under trough
Oxygen boosting desiccation is sent, the oversize after desiccation is sent into next process.
Scheme is further：The organic filler be one kind in the maize straw, straw, grain straw not crushed or
2 kinds of person, the thickness of laying is 2cm to 3cm.
Scheme is further：Methods described further comprises handling the percolate in collecting tank：First by being percolated
Liquid pump is pumped directly into kiln hood, kiln tail or the gasification furnace of cement kiln after extracting and is disposed, and is oozed to what is overflowed in collecting tank
Filtrate connects one or more fermentation tanks, is stacked with fermentation tank and is fermented thing.
Scheme is further：The thing that is fermented is leaf, stalk, straw or their mixture.
Scheme is further：The Mixing ratio by weight example of the fermentate and percolate is 1:6.1 to 1:6.5, described more
Individual fermentation tank is transported to raw material of the storage bin as gasification furnace of gasification furnace after banking up 1-3 days.
The present invention solves 2 technical barriers in the rubbish preprocessing process based on cement kiln disposal, and dirt content is high
Screenings and percolate handling problems, adequately achieve the separation of dirt rubbish by first crushing to sieve again, avoid
Influence to biological dewatered process, thermal release of the dirt rubbish Jing Guo vaporous form, organic matter therein is converted into gas combustion
Material is sent into dore furnace, and inorganic matter transports cement raw material dispensing workshop progress dispensing, this and existing ash to as gasifier slag together
The engineering technology that native screenings directly carries out cement ingredient is entirely different.
The present invention realizes house refuse solid, liquid, gas by less process procedure and shirtsleeve operation on cement kiln
Integrated treatment and utilization.
The present invention realizes percolate and realizes zero-emission, foul smell by the way that gasification, and combustion and start-stop be good, operating cost is low and
Unattended SQU deodorizing apparatus realizes multiple governance.
Present invention process link is few, and key equipment is few, and technical operation is simple, and floor space is small, investment and operation operation into
This is low.
The present invention is described in detail with reference to the accompanying drawings and examples.
Brief description of the drawings
Fig. 1 is present system structural schematic block diagram.
Embodiment
Embodiment 1：
A kind of house refuse collaboration pretreatment system for being coupled in cement kiln, as shown in figure 1, the system includes mutually interconnecting
The first disintegrating machine 1 and the first screening machine 2 connect（Rotary screen）, dirt rubbish is by transmitting band connection one under the sieve of the first screening machine
Individual gasification heat separation device 3, gasification heat separation device separate organic matter and inorganic matter in dirt rubbish, and gasify heat separation device
One gasification pipe 5 being connected with the dore furnace of cement kiln 4 of connection, gasification pipe are used to convey the gas after organic matter gasification,
Gasification heat separation device is also connected with a conveyer belt 6, and the inorganic matter gasifier slag of gasification heat separation device separation passes through conveyer belt
It is sent into cement raw material dispensing system 7；The oversize of first screening machine is connected to a dashpot 8 by belt and makees drying and other treatment,
Dashpot includes multiple drying and other treatment grooves 801, high 2.5m to 3.5m, underground 0.5m to 0.8, at desiccation on drying and other treatment trough
The bottom of reason trough lower part is provided with the collecting tank 9 of percolate, and ventilation duct is provided with the middle part of drying and other treatment trough lower part
Road；Drying and other treatment groove underground and aboveground enters between-line spacing by laying aeration board, and multiple air vents are disposed with aeration board, does
Change the centrifugal blower for setting outside drying zone residing for treatment trough and being connected with ventilation airduct, biological dewatered required oxygen passes through cloth wind
Pipeline and air vent are conveyed to the rubbish material on aeration board, are additionally provided with air exhauster outside drying zone residing for drying and other treatment groove, take out
Blower fan will be delivered directly to gasification furnace, dore furnace or kiln hood after waste gas centralized collection caused by desiccation workshop；Set on dashpot
There is the hydraulic pressure orange-peel bucket machine 10 with driving, rubbish material is uniformly arranged in by the oversize rubbish in dashpot by grabbing bucket
Drying and other treatment is carried out in biological dewatered treatment trough, after rubbish biological desiccation terminates, then by grabbing bucket desiccation product is transported to one
The individual batcher 11 containing feed bin, batcher connect the second screening machine 12, and the second screening machine connects two sorting units, the first sorting
Be provided with device 13 magnetic separator be used for handle the second screening machine screenings, the outlet of the first sorting unit connects the heat of gasification and divided
From device, gasification resolution process is carried out to the second screening machine screenings；Magnetic separator and Roots are provided with second sorting unit 14
Blower fan, for handling the second screening machine oversize, the second sorting unit connects two conveyer belts, and a conveyer belt 15 goes out selection by winnowing
Light material as high heating value alternative fuel be sent into the second disintegrating machine 16 be further crushed to below particle diameter 50mm, then pass through skin
Band connection is transported to the dore furnace that the chain mat machine 17 containing feed bin is sent directly into cement kiln；What another conveyer belt 18 went out selection by winnowing
Heavy material is transported to after the 3rd disintegrating machine 19 crushes and is sent into cement raw material dispensing system.
Wherein：The light material is the material blown out by roots blower, and the heavy material is that roots blower blows surplus material.
In embodiment：The collecting tank of the percolate is provided with percolate draw-off pump 20, and the extraction pipeline of draw-off pump is direct
It is connected to kiln hood, kiln tail or the gasification furnace of cement kiln；The collecting tank of the percolate is provided with overfall, overfall connection one
Individual or multiple fermentation tanks 21, it is stacked with fermentation tank and is fermented thing；Fermentation tank connects batcher 22, and batcher connects the gasification
Stove.
Wherein：The thing that is fermented is leaf, stalk, straw or their mixture.
In embodiment：The Mixing ratio by weight example of the fermentate and percolate is 1:6.1 to 1:6.5, in the multiple hair
Ferment groove is connected by stop valve with overfall respectively, and after the mixed proportion is reached, stop valve is closed and sends signal notice.
In embodiment：The batcher is double-spiral feeder.
Embodiment 2：
A kind of method of disposal that pretreatment system is cooperateed with based on the house refuse that cement kiln is coupled in described in embodiment 1, it is real
Apply the content that the content in example 1 also should be used as the present embodiment；Therefore, the system includes the first disintegrating machine and the being connected with each other
One screening machine, dirt rubbish is by transmitting one gasification heat separation device of band connection, thermal release of gasifying under the sieve of the first screening machine
Organic matter and inorganic matter in device separation dirt rubbish, one of gasification heat separation device connection are connected with cement kiln dore furnace
Gasification pipe, gasification pipe be used for convey organic matter gasification after gas, gasification heat separation device be also connected with a conveyer belt,
The inorganic matter gasifier slag that the heat separation device that gasifies separates passes through belt and is sent into cement raw material dispensing system；The sieve of first screening machine
Upper thing includes multiple drying and other treatments by being used as the raw material of drying and other treatment, the dashpot after Belt Conveying a to dashpot
Groove, drying and other treatment groove 2.5m above ground level to 3.5m, stretches into underground 0.5m to 0.8m, at the middle part of drying and other treatment trough lower part
Ventilation shaft is set, and drying and other treatment trough lower part and aerial part enter between-line spacing by aeration board, be disposed with aeration board more
Individual passage, biological dewatered required oxygen are conveyed to the rubbish material on aeration board by ventilation shaft and passage, done
Change and be provided with air exhauster outside drying zone residing for treatment trough, air exhauster will be delivered directly to after waste gas centralized collection caused by drying zone
Gasification furnace, dore furnace or kiln hood；Hydraulic pressure orange-peel bucket machine is provided with dashpot, grab claw connects a feed containing feed bin
Machine, batcher connect the second screening machine, and the second screening machine connects two sorting units, magnetic separator is provided with the first sorting unit
For handling the second screening machine screenings, the outlet of the first sorting unit connects the gasification heat separation device, to the second screening machine
Screenings carries out gasification resolution process；Magnetic separator and roots blower are provided with second sorting unit, for handling the second screening
Machine oversize, the second sorting unit connect two conveyer belts, and a conveyer belt substitutes the light material that selection by winnowing goes out as high heating value
Fuel is sent into the second disintegrating machine and is further crushed to below particle diameter 50mm, is then transported to the carrier bar containing feed bin by belt connection
Machine is sent directly into the dore furnace of cement kiln；After the heavy material that another article of conveyer belt goes out selection by winnowing is transported to the 3rd crusher in crushing
Cement raw material dispensing system is sent into, methods described includes：
Dirt rubbish under the sieve of first screening machine is separated in the heat separation device that gasifies with 850 DEG C -1100 DEG C of temperature
Organic matter and inorganic matter in dirt rubbish；
Second screening machine screenings is sieved in the heat separation device that gasifies with 850 DEG C -1100 DEG C of temperature separation second
Organic matter and inorganic matter in machine screenings；
Drying and other treatment is made to the oversize of the first screening machine in dashpot：With grab bucket walking to transmit come first sieve
The oversize of machine carries out cloth in drying and other treatment groove, and lays on drying and other treatment groove aeration board one layer of organic with gap and fill out
Material, the bottom of drying and other treatment trough lower part is additionally provided with the collecting tank of percolate, by the centrifugal blower that is set outside drying zone,
Aeration board on the ventilation shaft and interval drying and other treatment trough that middle part is set under drying and other treatment trough with ground portion is to rubbish
Rubbish material conveys oxygen boosting desiccation, and the oversize after desiccation is sent into next process.
Wherein：The setting of multiple drying and other treatment grooves needs to be configured according to technique, and this structure setting can be with timesharing
Drying and other treatment is made to the oversize of the first screening machine, improves treatment effeciency；Drying and other treatment flute length is wide mainly according to biological dewatered
Quantity of refuse, the layout etc. in biological dewatered place are configured, the total quantity of drying and other treatment groove and the quantity that uses daily according to
The total amount of rubbish, the cycle of fermentation, the factor such as final use of tunning target moisture content and biological dewatered product are determined
It is fixed.
Mainly there are two functions in drying and other treatment trench bottom 0.5 to 0.8m space, when the whole drying and other treatment groove of arrangement
Wind-distributing pipe road, the corresponding blower fan of each drying and other treatment groove, second, collecting biological dewatered percolate.
The major issue occurred during biological dewatered at present is exactly the problem of being aerated hole plug, due to containing in rubbish
There is the dirt rubbish that some particles are very small, or the big particle diameter organic matter of rubbish biological drying process constantly decomposes, and can also be formed
Some short grained organic matters, msw water content is higher in addition, these free waters of the short grained rubbish material in rubbish
Easy blocking aeration hole under effect, so as to influence to be aerated, further influence the effect of rubbish biological desiccation.
The present invention proposes a kind of method for preventing from being aerated hole plug, before rubbish cloth is carried out, in drying and other treatment groove
Aeration board on lay one layer of organic filler, organic filler refers mainly to one kind or 2 in maize straw, straw, grain straw
Kind, wherein it is preferred that maize straw.The laying depth of organic filler is 2-3cm, and organic filler need not be crushed deliberately.Laying
Rubbish material and solarization air cap are isolated in the grid effect that the effect of organic filler is mainly reflected in organic filler, fine particle
Rubbish intercepted by organic filler, not directly enter solarization air cap；Organic filler belongs to hygroscopic material, can quickly absorb rubbish
In free water, the earth rubber effect blocking aeration hole for preventing free water and dirt in rubbish or small particle rubbish from being formed；It is organic
One key character of filler exactly regularly need not be cleared up and cleaned as inorganic filler, and organic filler can be
After biological dewatered end and the desiccation product alternative fuel as cement kiln, or the decomposition situation according to organic filler in the lump
It is arranged again with the desiccation product in the lump alternative fuel as cement kiln, organic filler by grab bucket after being used for multiple times.
Wherein：The organic filler is one kind or 2 kinds in the maize straw, straw, grain straw not crushed, is spread
If thickness be 2cm to 3cm.
Methods described further comprises handling the percolate in collecting tank：After being taken first by percolate pumping directly
Be pumped into kiln hood, kiln tail or the gasification furnace of cement kiln and be disposed, the percolate that is overflowed in collecting tank is connected one or
Multiple fermentation tanks, it is stacked with fermentation tank and is fermented thing；Fermentation tank connects batcher, and batcher connects the gasification furnace.If
During summer and autumn msw water content is high, causes leachate generation in preprocessing process big, or cement kiln overhauls, cement
Kiln can not be disposed completely, and remaining percolate is used as cement after being sufficiently mixed with the maize straw of good water absorption, straw etc.
The alternative fuel of kiln is sent directly into gasification furnace and is disposed.Concrete operation method is：Maize straw or straw are crushed to 10-
50mm, the maize straw crushed or straw are laid into fermentation collecting tank first（Crushing straw or straw and diafiltration
Liquid is with 1:6.1-6.5 ratio mixing）, percolate is slowly sprayed on stalk according to designed ratio, simply banked up
Raw material of the storage bin as gasification furnace of gasification furnace is directly transported to after 1-3d using biological dewatered double helix feeding device.
In method：The thing that is fermented is leaf, stalk, straw or their mixture.The fermentate and percolate
Mixing ratio by weight example be 1:6.1 to 1:6.5, the storage bin of gasification furnace is transported to after the multiple fermentation tank is banked up 1-3 days
Raw material as gasification furnace.
In method：On the one hand crushing process is the purpose for realizing garbage bag breaking, be on the one hand the particle diameter for ensureing rubbish material
In below 200mm, facilitate follow-up drying and other treatment；The mechanical sorting sieves including II levels, and the purpose of I levels screening is will be inorganic
The high powder screening of component content comes out, and avoids the presence of dirt from blocking the air vent of subsequent bio desiccation, this and existing elder generation
Crushing process is completely inconsistent after desiccation, also efficiently solves the problems, such as Severe blockage of the existing biological dewatered technique to air vent,
The screening of II levels is mainly sieved to the material after biological dewatered, and the purpose of screening is to separate the material of high low heat value, mesh
Be directly or indirectly to enter the direct of kiln technology with existing house refuse to dock.
In method：Grabbed bucket by automatic charging and rubbish material is transported in disintegrating machine, rubbish leads to after break process
Belt Conveying is crossed to I level screening plants, by screening out rubbish material under the high sieve of dirt content come dirt after screening process
Rubbish further realizes organic in the rubbish and separation of inorganic matter by heat sorting, and the organic matter of separation uses vaporous form conduct
The alternative fuel of cement kiln, inorganic matter are sent to cement plant raw material storage and carry out dispensing；Rubbish material carries out biological dewatered processing on sieve,
Biological dewatered to use slot type drying process, drying and other treatment groove is furnished with centrifugal blower and ventilation shaft, and the bottom of drying and other treatment groove is set
There is the collecting tank of percolate, full-automatic grab bucket cloth is used during biological dewatered.Desiccation material enters one after biological dewatered end
Step carries out II level screening process, and the purpose of II levels screening is to realize the separation of high low heat value rubbish material.Waste of low heating value is passing through
Enter access kiln disposal between gasification furnace realization after crossing magnetic separation；The rubbish of high heating value enters pneumatic separation device after magnetic separation, selection by winnowing
Light material directly enters dore furnace realization after break process and directly enters kiln, and the heavy material after sorting is sent to cement plant raw material storage and entered
Row dispensing.In whole preprocessing process after caused percolate centralized collection, the cement kiln head or gas that are transported in factory
Change stove processing, if summer and autumn msw water content is high, cause leachate generation in preprocessing process big, cement kiln head is not
It can dispose completely, remaining percolate is sent directly into gas after being sufficiently mixed with the maize straw of good water absorption, wood chip etc.
Change stove to be disposed.Organic principle in Leachate site is decomposed through high-temperature oxydation and unique technological process of cement kiln, and becoming can
The gas of qualified discharge；Inorganic constituents enters clinker as the raw material of cement.
The system of above-described embodiment 1 and the method for embodiment 2, solve in the rubbish preprocessing process based on cement kiln disposal
The handling problems of 2 technical barriers, the high screenings of dirt content and percolate, adequately achieved by first crushing to sieve again
The separation of dirt rubbish, the influence to biological dewatered process is avoided, thermal release of the dirt rubbish Jing Guo vaporous form will wherein
Organic matter be converted into gaseous fuel and be sent into dore furnace, inorganic matter transports cement raw material dispensing workshop to as gasifier slag and enters together
Row dispensing, the engineering technology that this directly carries out cement ingredient with existing dirt screenings is entirely different, also complies with HJ662-
6.6.6 bar clear stipulaties in 2013 cement kiln synergic processing solid waste environmental protection technology specifications：It can only be thrown in raw mill
Add the solid waste without organic matter and the half volatile heavy metal that volatilizees.
Percolate has the characteristics of BOD5 and COD concentration is high, tenor is higher, ammonia nitrogen content is higher.At present
Processing method includes bioanalysis and physical-chemical process, bioanalysis be divided into Aerobic biological process, anaerobic bio-treated and the two
With reference to the main a variety of methods such as active charcoal absorption, coagulating sedimentation, film process, chemical oxidation and air lift of, physical-chemical process.But according to
The engineering investigation of Domestic Landfill Leachate processing at present, bioanalysis and physical-chemical process are not that treatment effect is poor, are exactly actual motion expense
With height.In the method：Cement kiln head is sent into caused percolate during biological dewatered process rubbish and carries out height
Temperature processing, alternative fuel caused a small amount of Leachate site during storage are sent into gasification furnace high-temperature process.It is organic in Leachate site
Composition through high-temperature oxydation decompose and cement kiln unique technological process, become can qualified discharge gas；Inorganic constituents conduct
The raw material of cement enters clinker.High for summer and autumn msw water content, preprocessing process leachate generation is big
Propose the treatment technology disposed height with cement kiln and combined.
Claims (8)
1. a kind of house refuse collaboration pretreatment system for being coupled in cement kiln, it is characterised in that the system includes mutually interconnecting
The first disintegrating machine and the first screening machine connect, dirt rubbish is by transmitting band connection one heat of gasification point under the sieve of the first screening machine
From device, gasification heat separation device separates organic matter and inorganic matter in dirt rubbish, one of heat separation device connection of gasifying
The gasification pipe being connected with cement kiln dore furnace, gasification pipe are used to convey the gas after organic matter gasification, gasification thermal release dress
Put and be also connected with a conveyer belt, the inorganic matter gasifier slag of gasification heat separation device separation is sent into cement raw material by conveyer belt and matched somebody with somebody
Material system；The oversize of first screening machine is connected to a dashpot by belt, and the hydraulic pressure with driving is provided with dashpot
Rubbish material is uniformly arranged in biological dewatered treatment trough by orange-peel bucket machine, the oversize rubbish in dashpot by grabbing bucket
Drying and other treatment is carried out, after rubbish biological desiccation terminates, then by grabbing bucket desiccation product is transported to a batcher containing feed bin,
Batcher connects the second screening machine；Second screening machine connects two sorting units, and magnetic separator use is provided with the first sorting unit
In handling the second screening machine screenings, the outlet of the first sorting unit connects the gasification heat separation device, to the second sifted
Lower thing carries out gasification resolution process；Magnetic separator and roots blower are provided with second sorting unit, for handling the second screening machine
Oversize, the second sorting unit connect two conveyer belts, and a conveyer belt, which substitutes the light material that selection by winnowing goes out as high heating value, to be fired
Material is sent into the second disintegrating machine and is further crushed to below particle diameter 50mm, is then transported to the chain mat machine containing feed bin by belt connection
It is sent directly into the dore furnace of cement kiln；The heavy material that another article of conveyer belt goes out selection by winnowing is sent after being transported to the 3rd crusher in crushing
Enter cement raw material dispensing system；
The light material is the material blown out by roots blower, and the heavy material is that roots blower blows surplus material；
The dashpot includes multiple drying and other treatment grooves, drying and other treatment groove 2.5m above ground level to 3.5m, stretches into underground 0.5m extremely
0.8m, the collecting tank of percolate is provided with drying and other treatment trough lower bottom part, middle part is provided with ventilation shaft under drying and other treatment trough；
Drying and other treatment groove underground and aboveground enters between-line spacing by laying aeration board, and multiple air vents are provided with aeration board,
The centrifugal blower being connected with ventilation airduct is set outside drying zone residing for drying and other treatment groove.
2. collaboration pretreatment system according to claim 1, it is characterised in that the collecting tank of the percolate, which is provided with, to be oozed
Filtrate draw-off pump, the extraction pipeline of draw-off pump are connected directly to kiln hood, kiln tail or the gasification furnace of cement kiln；The percolate
Collecting tank is provided with overfall, and overfall connects one or more fermentation tanks, is stacked with fermentation tank and is fermented thing；Fermentation tank connects
Batcher is connect, batcher connects the gasification furnace.
3. collaboration pretreatment system according to claim 2, it is characterised in that the thing that is fermented is leaf, stalk, rice
Grass or their mixture.
4. a kind of method of disposal that pretreatment system is cooperateed with based on the house refuse for being coupled in cement kiln, the system includes mutual
The first disintegrating machine and the first screening machine of connection, dirt rubbish is by transmitting one heat of gasification of band connection under the sieve of the first screening machine
Separator, gasification heat separation device separation dirt rubbish in organic matter and inorganic matter, gasification heat separation device connection one
The individual gasification pipe being connected with cement kiln dore furnace, gasification pipe are used to convey the gas after organic matter gasification, thermal release of gasifying
Device is also connected with a conveyer belt, and the inorganic matter gasifier slag of gasification heat separation device separation is sent into cement raw material by belt and matched somebody with somebody
Material system；The oversize of first screening machine is described slow by being used as the raw material of drying and other treatment after Belt Conveying a to dashpot
Jet-bedding includes multiple drying and other treatment grooves, drying and other treatment groove 2.5m above ground level to 3.5m, underground 0.5m to 0.8m is stretched into, in desiccation
The middle part for the treatment of trough under ground portion sets ventilation shaft, and drying and other treatment trough lower part and aerial part are entered in the ranks by aeration board
Every, be disposed with multiple passages on aeration board, it is biological dewatered required for oxygen exposure is conveyed to by ventilation shaft and passage
Rubbish material on gas plate, is provided with air exhauster outside drying zone residing for drying and other treatment groove, and air exhauster is by waste gas caused by drying zone
Gasification furnace, dore furnace or kiln hood are delivered directly to after centralized collection；Hydraulic pressure orange-peel bucket machine is provided with dashpot, grab claw connects
A batcher containing feed bin is connect, batcher connects the second screening machine, and the second screening machine connects two sorting units, the first sorting
Be provided with device magnetic separator be used for handle the second screening machine screenings, the first sorting unit outlet connection gasification thermal release
Device, gasification resolution process is carried out to the second screening machine screenings；Be provided with second sorting unit magnetic separator and roots blower,
For handling the second screening machine oversize, the second sorting unit connects two conveyer belts, the light thing that a conveyer belt goes out selection by winnowing
Material is sent into the second disintegrating machine as high heating value alternative fuel and is further crushed to below particle diameter 50mm, is then connected by belt defeated
It is sent to the dore furnace that the chain mat machine containing feed bin is sent directly into cement kiln；The heavy material that another conveyer belt goes out selection by winnowing is transported to
Cement raw material dispensing system is sent into after 3rd crusher in crushing, it is characterised in that methods described includes：
Dirt is separated with 850 DEG C -1100 DEG C of temperature in the heat separation device that gasifies to dirt rubbish under the sieve of the first screening machine
Organic matter and inorganic matter in rubbish；
The second sifted is separated with 850 DEG C -1100 DEG C of temperature in the heat separation device that gasifies to the second screening machine screenings
Organic matter and inorganic matter in lower thing；
Drying and other treatment is made to the oversize of the first screening machine in dashpot：With grab bucket walking to transmit come first screening machine
Oversize carries out cloth in drying and other treatment groove, and lays on drying and other treatment groove aeration board one layer of organic with gap and fill out
Material, drying and other treatment trench bottom are additionally provided with the collecting tank of percolate, pass through centrifugal blower, the drying and other treatment groove set outside drying zone
Aeration board on the ventilation shaft and interval drying and other treatment trough set in the middle part of underground with ground portion conveys to rubbish material
Oxygen boosting desiccation, the oversize after desiccation is sent into next process.
5. method of disposal according to claim 4, it is characterised in that the organic filler is the corn stalk not crushed
One kind in stalk, straw, grain straw or 2 kinds, the thickness of laying is 2cm to 3cm.
6. method of disposal according to claim 4, it is characterised in that methods described further comprises to oozing in collecting tank
Filtrate is handled：It is pumped directly into kiln hood, kiln tail or the gasification furnace of cement kiln and carries out after being taken first by percolate pumping
Disposal, one or more fermentation tanks are connected to the percolate overflowed in collecting tank, is stacked with fermentation tank and is fermented thing.
7. according to the method for claim 6, it is characterised in that it is described be fermented thing be leaf, stalk, straw or they
Mixture.
8. the method according to claim 6 or 7, it is characterised in that the Mixing ratio by weight example of the fermentate and percolate
It is 1:6.1 to 1:6.5, original of the storage bin as gasification furnace of gasification furnace is transported to after the multiple fermentation tank is banked up 1-3 days
Material.
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| CN109719112B (en) * | 2018-08-03 | 2023-09-08 | 葛洲坝中材洁新（武汉）科技有限公司 | System for cooperatively disposing household garbage by utilizing cement line |
| CN109185887A (en) * | 2018-09-14 | 2019-01-11 | 广西博世科环保科技股份有限公司 | A kind of house refuse coupling desiccation pyrolysis processing technique and processing system |
| CN109127670A (en) * | 2018-09-18 | 2019-01-04 | 中材国际环境工程（北京）有限公司 | A kind of separation system and its method for separating using cement kiln synergic processing domestic waste |
| CN109160756B (en) * | 2018-11-13 | 2023-12-19 | 北京建筑材料科学研究总院有限公司 | Method and system for producing cement by separating waste |
| CN110906346A (en) * | 2019-11-14 | 2020-03-24 | 西安交通大学 | Garbage spiral conveying integrated system for drying by using waste heat |
| CN110864300A (en) * | 2019-12-09 | 2020-03-06 | 中城绿建科技有限公司 | Movable comprehensive garbage disposal equipment with biological drying, cracking and gasification combined |
| 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 |
| CN115435577B (en) * | 2022-08-31 | 2023-09-26 | 中材国际环境工程（北京）有限公司 | Household garbage drying system and method utilizing waste heat of cement kiln |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102218433A (en) * | 2011-03-24 | 2011-10-19 | 华新环境工程有限公司 | Municipal refuse drying system |
| CN102357516A (en) * | 2011-03-24 | 2012-02-22 | 华新环境工程有限公司 | Linkage process of municipal waste pre-treatment and cement kiln resource comprehensive utilization and system thereof |
| CN104550201A (en) * | 2015-01-14 | 2015-04-29 | 江苏鹏飞集团股份有限公司 | Household refuse disposing system with cooperation of cement kiln and method thereof |
| EP2869308A1 (en) * | 2012-06-29 | 2015-05-06 | Taiheiyo Cement Corporation | Removal device for radioactive cesium |
| CN205782961U (en) * | 2016-07-06 | 2016-12-07 | 北京建筑材料科学研究总院有限公司 | A kind of house refuse pretreatment system being coupled in cement kiln synergic processing |
-
2016
- 2016-07-06 CN CN201610526335.6A patent/CN105972604B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102218433A (en) * | 2011-03-24 | 2011-10-19 | 华新环境工程有限公司 | Municipal refuse drying system |
| CN102357516A (en) * | 2011-03-24 | 2012-02-22 | 华新环境工程有限公司 | Linkage process of municipal waste pre-treatment and cement kiln resource comprehensive utilization and system thereof |
| EP2869308A1 (en) * | 2012-06-29 | 2015-05-06 | Taiheiyo Cement Corporation | Removal device for radioactive cesium |
| CN104550201A (en) * | 2015-01-14 | 2015-04-29 | 江苏鹏飞集团股份有限公司 | Household refuse disposing system with cooperation of cement kiln and method thereof |
| CN205782961U (en) * | 2016-07-06 | 2016-12-07 | 北京建筑材料科学研究总院有限公司 | A kind of house refuse pretreatment system being coupled in cement kiln synergic processing |
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