CN109500048A - The solidification processing method and processing system of incineration of refuse flyash - Google Patents
The solidification processing method and processing system of incineration of refuse flyash Download PDFInfo
- Publication number
- CN109500048A CN109500048A CN201811180853.2A CN201811180853A CN109500048A CN 109500048 A CN109500048 A CN 109500048A CN 201811180853 A CN201811180853 A CN 201811180853A CN 109500048 A CN109500048 A CN 109500048A
- Authority
- CN
- China
- Prior art keywords
- slag
- incineration
- refuse flyash
- temperature
- runner
- 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.)
- Pending
Links
- 239000010881 fly ash Substances 0.000 title claims abstract description 77
- 238000012545 processing Methods 0.000 title claims abstract description 14
- 238000007711 solidification Methods 0.000 title claims abstract description 14
- 230000008023 solidification Effects 0.000 title claims abstract description 14
- 238000003672 processing method Methods 0.000 title claims abstract description 11
- 239000002893 slag Substances 0.000 claims abstract description 157
- 239000003818 cinder Substances 0.000 claims abstract description 44
- 238000011010 flushing procedure Methods 0.000 claims abstract description 43
- 239000000428 dust Substances 0.000 claims abstract description 41
- 238000002844 melting Methods 0.000 claims abstract description 25
- 230000008018 melting Effects 0.000 claims abstract description 24
- 239000002245 particle Substances 0.000 claims abstract description 14
- 239000012535 impurity Substances 0.000 claims abstract description 13
- 239000007787 solid Substances 0.000 claims abstract description 13
- 239000002956 ash Substances 0.000 claims description 43
- 238000000034 method Methods 0.000 claims description 24
- 230000008569 process Effects 0.000 claims description 20
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 16
- 239000002002 slurry Substances 0.000 claims description 14
- 238000002347 injection Methods 0.000 claims description 7
- 239000007924 injection Substances 0.000 claims description 7
- 238000004056 waste incineration Methods 0.000 claims description 6
- 238000001914 filtration Methods 0.000 claims description 5
- 238000004321 preservation Methods 0.000 claims description 4
- 238000004062 sedimentation Methods 0.000 claims description 4
- 239000005416 organic matter Substances 0.000 claims description 3
- 239000002244 precipitate Substances 0.000 claims 1
- 231100000331 toxic Toxicity 0.000 abstract description 5
- 230000002588 toxic effect Effects 0.000 abstract description 5
- 150000002894 organic compounds Chemical class 0.000 abstract description 2
- 239000007789 gas Substances 0.000 description 14
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 6
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 5
- 229910001385 heavy metal Inorganic materials 0.000 description 4
- 239000000155 melt Substances 0.000 description 4
- 230000001376 precipitating effect Effects 0.000 description 4
- 239000004568 cement Substances 0.000 description 3
- 229910052681 coesite Inorganic materials 0.000 description 3
- 230000000875 corresponding effect Effects 0.000 description 3
- 229910052906 cristobalite Inorganic materials 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 229910052757 nitrogen Inorganic materials 0.000 description 3
- 239000000377 silicon dioxide Substances 0.000 description 3
- 229910052682 stishovite Inorganic materials 0.000 description 3
- 229910052905 tridymite Inorganic materials 0.000 description 3
- KVGZZAHHUNAVKZ-UHFFFAOYSA-N 1,4-Dioxin Chemical compound O1C=COC=C1 KVGZZAHHUNAVKZ-UHFFFAOYSA-N 0.000 description 2
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000009833 condensation Methods 0.000 description 2
- 230000005494 condensation Effects 0.000 description 2
- 229910052593 corundum Inorganic materials 0.000 description 2
- 239000003344 environmental pollutant Substances 0.000 description 2
- 230000003179 granulation Effects 0.000 description 2
- 238000005469 granulation Methods 0.000 description 2
- 208000020442 loss of weight Diseases 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 230000001473 noxious effect Effects 0.000 description 2
- 231100000719 pollutant Toxicity 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 229910001845 yogo sapphire Inorganic materials 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- OBNDGIHQAIXEAO-UHFFFAOYSA-N [O].[Si] Chemical compound [O].[Si] OBNDGIHQAIXEAO-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 235000019504 cigarettes Nutrition 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000002596 correlated effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 238000011038 discontinuous diafiltration by volume reduction Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003546 flue gas Substances 0.000 description 1
- 239000002920 hazardous waste Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 238000002386 leaching Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000003032 molecular docking Methods 0.000 description 1
- 239000002574 poison Substances 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 230000000171 quenching effect Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000010257 thawing Methods 0.000 description 1
- 230000032258 transport Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
- B09B3/00—Destroying solid waste or transforming solid waste into something useful or harmless
- B09B3/40—Destroying solid waste or transforming solid waste into something useful or harmless involving thermal treatment, e.g. evaporation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
- B09B2101/00—Type of solid waste
- B09B2101/30—Incineration ashes
Landscapes
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The present invention relates to incineration of refuse flyash processing; the solidification processing method and processing system of a kind of incineration of refuse flyash are provided; incineration of refuse flyash is spilt by the high-temperature slag surface paving flowed into slag runner; the toxic organic compound in incineration of refuse flyash is on the one hand decomposed by high temperature; on the one hand it is heated to melt flying dust; it is subsequent that flushing cinder granulated processed is carried out to high-temperature slag and melting flying dust, and then available solid impurity particle is to achieve the purpose that solidify harmful components and resource utilization.In the present invention; utilize the heat and flushing cinder granulated processed incineration of refuse flyash of high-temperature slag; it is not only able to incineration of refuse flyash is effectively ensured and sufficiently melt; and the harmful components contained in it are handled with cured mode by decomposing; there is secondary pollution after avoiding processing; the solid impurity particle obtained after handling simultaneously can reach energy-efficient purpose with resource utilization.
Description
Technical field
The present invention relates to incineration of refuse flyash processing more particularly to a kind of incineration of refuse flyash solidification processing method and
Processing system.
Background technique
Waste incineration can realize the minimizing of house refuse, innoxious and recovery energy, be at the important rubbish of one kind
Reason method.And how safely and effectively to dispose incineration of refuse flyash is environment urgently to be solved and social concern.
Incineration of refuse flyash is a kind of generally acknowledged hazardous waste, is to utilize system, cigarette in recuperation of heat after consumer waste incineration
The substance that gas purification system is collected.Due to waste component complexity, the pollutants such as heavy metal, organic poison contained in rubbish are being burnt
It can occur to migrate during burning and convert, make the heavy metal, the noxious material difficult to degrade that are enriched with higher concentration in incineration of refuse flyash.
The yield of incineration of refuse flyash is related with rubbish type, burning condition, the burning type of furnace and flue gas treating process, typically constitutes from rubbish
The 3~5% of burning amount.
Country, which expressly provides, to carry out harmless treatment to incineration of refuse flyash.Currently, China developed area rubbish
Rubbish flying ash transports security landfill field landfill to after mainly passing through simply and easy treat, not only largely occupies the library of security landfill field
Hold, and at high cost, generally 2000~3000 yuan/ton.On some ground underdeveloped, without Condition Construction security landfill field
Area is general using being transported to by the way of refuse landfill fills after stockpiling or simple cement solidification.If incineration of refuse flyash is handled
Improper, pollutant gradually may be percolated out in a natural environment, reenter environment, and polluted underground water source endangers the mankind, make
At secondary pollution.
Summary of the invention
The purpose of the present invention is to provide a kind of solidification processing methods of incineration of refuse flyash, it is intended to existing for solving
Incineration of refuse flyash processing cost is higher, and the problem of be easy to cause secondary pollution.
The present invention is implemented as follows:
The embodiment of the present invention provides a kind of solidification processing method of incineration of refuse flyash, comprising the following steps:
The high-temperature slag of metallurgical furnace discharge is imported into slag runner, and high-temperature slag is flowed along the slag runner；
High-temperature slag uniformly spreads to high-temperature slag surface along the slag runner flow process and spills incineration of refuse flyash, rubbish
Flying ash is heated at high temperature to be decomposed for the organic matter in melting flying dust and flying dust；
Melting flying dust is flowed with high-temperature slag, is attached to high-temperature slag surface or part and is mixed into high-temperature slag, flow to institute
Be granulated to form slag-water slurry by flushing cinder after stating slag runner end, and form high-temperature steam, high-temperature steam and slag-water slurry into
Enter and continues to cool down in condensing tower；
Solid impurity particle of the slag-water slurry by filtering or precipitating to obtain solid impurity particle, and will acquire in the condensing tower
Carry out resource utilization.
Further, the incineration of refuse flyash amount spilt is spread according to the melting characteristic of incineration of refuse flyash, the temperature of high-temperature slag
Degree, the high-temperature slag flow in the slag runner and environment temperature determine, it is ensured that the temperature of high-temperature slag can be such that uniform paving spills
Incineration of refuse flyash sufficiently melts.
Further, incineration of refuse flyash is delivered to the ash feeding device above the slag runner by compressed air stream, then passes through
The ash feeding device spills incineration of refuse flyash paving in high-temperature slag surface.
Further, capping processing is carried out in the section that the slag runner corresponds to the ash feeding device to end, to reach heat preservation
With the purpose for eliminating fugitive dust.
The embodiment of the present invention also provides a kind of curing process system of incineration of refuse flyash, including can be with the deslagging of metallurgical furnace
Mouthful connection slag runner, further include for into the slag runner high-temperature slag surface paving spill incineration of refuse flyash ash feeding device and
It is set to the condensing tower of the slag runner end, the bottom of the condensing tower is provided with flushing cinder sink, and the flushing cinder sink is wherein
One end close to the slag runner end and be provided with flushing cinder granulating device, the flow path of the flushing cinder sink docks the stream of the slag runner
Road.
It further, further include the flying dust injection tank being connected to the ash feeding device, and in the ash feeding device and the flying dust
Flow control valve is provided on the flow path of injection tank.
It further, further include gas gathering mask, the gas gathering mask is connected to the condensing tower, and the slag runner is by proximal end
At least partly structure is located in the gas gathering mask.
Further, further include cover board above slag runner described in the cover, the cover board is along the ash feeding device to the slag runner
End extend.
Further, the flushing cinder sink other end extends to drum filter or sedimentation basin.
Further, the end of the slag runner is located at the top of the flushing cinder sink.
The invention has the following advantages:
In the present invention, using the high-temperature slag being discharged in metallurgical furnace, incineration of refuse flyash is heated to be melting flying dust, a side
Face can make the toxic organics matter such as dioxin in incineration of refuse flyash decompose, and on the other hand can also melt flying dust
Melt, incineration of refuse flyash is mixed with high-temperature slag without being stirred in this way, can directly be spread and be spilt in high temperature melting
Slag surface, it is more convenient, and after exporting slag runner, flushing cinder granulation is carried out together with high-temperature slag to melting flying dust, with shape
It, can be by obtaining slag by way of filtering or precipitating slag-water slurry after condensing tower further cools down at slag-water slurry
Grain, and these solid impurity particles can then carry out resource utilization, for example can be used for cement raw material.In this regard, by the above-mentioned means, both
The toxic organics contained in incineration of refuse flyash can be decomposed, by harmful components dilution, solidification, resource can also be carried out
Change and utilize, avoids the occurrence of secondary pollution, energy-efficient, processing cost is very low.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
Other attached drawings are obtained according to these attached drawings.
Fig. 1 is the structural schematic diagram of the curing process system of incineration of refuse flyash provided in an embodiment of the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts all other
Embodiment shall fall within the protection scope of the present invention.
Referring to Fig. 1, the embodiment of the present invention provides a kind of solidification processing method of incineration of refuse flyash, mainly utilizes metallurgical furnace
The high-temperature slag of interior discharge, specifically includes the following steps:
The high-temperature slag being discharged in metallurgical furnace is imported in slag runner 1, it, can be along slag since high-temperature slag is molten condition
Ditch 1 flows, and carries out Slag treatment in the end of slag runner 1；
During high-temperature slag is flowed along slag runner 1, the incineration of refuse flyash of collection is uniformly spread and is spilt in high-temperature slag
Surface controls the amount of incineration of refuse flyash and the temperature drop on high-temperature slag surface, makes incineration of refuse flyash can on high-temperature slag surface
To melt completely, and the flowing of 1 endosexine high-temperature slag of slag runner is not influenced, melt flying dust during flowing with slag,
It is attached to high-temperature slag surface layer or part to be mixed into high-temperature slag, becomes the entirety of a flowing, and due to high temperature action rubbish
The organic matter contained in flying ash is thermally decomposed, and specifically the toxic organics matter such as dioxin is decomposed, so as to big
The big noxious material reduced in melting flying dust；
Melting flying dust is granulated to form slag-water slurry by flushing cinder after flowing to 1 end of slag runner with high-temperature slag, specifically molten
After melting flying dust and high-temperature slag discharge slag runner 1, to melt flying dust and high-temperature slag by way of with flush slag by quick grain
Change and water quenching, and then form granulated slag vitreum, melts that remaining harmful components are diluted in flying dust and to be solidificated in this granulated
In slag vitreum, a large amount of high-temperature steams generated during flushing cinder is granulated certainly can be imported into rapid condensation in condensing tower 2,
And the slag-water slurry of formation is also introduced into condensing tower 2 and continues to cool down；
Slag-water slurry in condensing tower 2 is exported, and obtains the solid impurity particle in it by way of filtering or precipitating,
I.e. above-mentioned slag vitreum, and then the solid impurity particle that can be will acquire carries out resource utilization.
In the present invention, the main component ratio of the main component of incineration of refuse flyash and the interior high-temperature slag being discharged of metallurgical furnace
More close, by taking blast furnace as an example, the ingredient main component of blast furnace slag is CaO, SiO2、Al2O3, MgO, wherein SiO2Content is
28~39%, and the main component CaO of incineration of refuse flyash, SiO2, Al2O390% or so of gross mass is accounted for Cl element, thus
Will not influence the purposes of blast furnace slag after incineration of refuse flyash mixing blast furnace slag, in addition usual tap cinder temperature be 1400 DEG C~
1500 DEG C, i.e., the high-temperature slag temperature flowed in slag runner 1 can achieve 1400 DEG C~1500 DEG C, utilize this high temperature, rubbish
Flying ash can be rapidly converted into melting flying dust, and the toxic organic compound contained in it is by fast decoupled, and rubbish after disassembly
Flying ash meeting volume reduction loss of weight, generally can loss of weight 2/3 or so；In addition, heavy metal is encapsulated being solidificated in SiO after melting2Silicon oxygen four
In the reticulated structure of face body composition, leaching rate is low, and thus when subsequent progress flushing cinder granulation, heavy metal is cured in solid impurity particle
It is interior.Due to the poor thermal conductivity of ash, in the present embodiment, incineration of refuse flyash is placed in high-temperature slag table in such a way that paving is spilt
Face, it is not too big that certain incineration of refuse flyash paving spills and thickness uniform in high-temperature slag surface, specifically can will using ash feeding device 3
It is laid in high-temperature slag surface, and one side cost is very simple in this way, on the other hand can avoid a large amount of rubbish
Flying ash, which is mixed into high-temperature slag, forms ash group, causes grey cluster centre that cannot sufficiently melt, only using traditional slag runner 1, is not necessarily to
The flow velocity of 1 high temperature slag of slag runner is deliberately controlled, incineration of refuse flyash can quickly be heated to be melting flying dust.
Optimize above-described embodiment, spreads melting characteristic, high temperature melting of the incineration of refuse flyash amount spilt according to incineration of refuse flyash
High-temperature slag flow in the temperature of slag, slag runner 1, environment temperature etc. are related, it is proposed that pass through test and determine, it is ensured that high-temperature slag
The incineration of refuse flyash that temperature can be such that paving spills sufficiently melts.Specifically, the fusing point inverse correlation waste incineration of incineration of refuse flyash
Flying dust amount, fusing point get over Gao Zeliang answer it is smaller；And the temperature of high-temperature slag is then positively correlated the incineration of refuse flyash amount that influences, temperature is got over
Height, then incineration of refuse flyash amount is bigger；In addition also there are certain relationship, the rubbish in summer between incineration of refuse flyash amount and environment temperature
Rubbish flying ash amount can be greater than the incineration of refuse flyash amount in winter；As for the high-temperature slag flow in slag runner 1, corresponding is rubbish
Ratio between rubbish flying ash and high-temperature slag can use mass ratio, and in general control is within 5% to guarantee rubbish
Flying ash can be melted sufficiently.Slagging tap flow and determine than blast furnace as described above, when flow of slagging tap is 30~50kg/s, with
Flying dust is sprinkled upon in slag runner 1 by 1% ratio with 0.3~0.5kg/s paving, and melting flying dust is mixed with high-temperature slag to be granulated, is rushed
Slag, completes the solidification of harmful components, and slag particle can handle flying dust~16t as cement raw material, one day.It never uses and does not control stream
Incineration of refuse flyash is piled up high-temperature slag surface by the mode of amount, in the present embodiment, mainly uses compressed air stream by rubbish
Flying ash is advertised to ash feeding device 3, and compressed air stream can be compressed air or compressed nitrogen, in this way on the one hand
It can control the flow of incineration of refuse flyash, paving on the one hand can be made at ash feeding device 3 to spill relatively uniform.
Further, capping processing is carried out in the section of slag runner 1 corresponding ash feeding device 3 to end, to reach heat preservation and eliminate
The purpose of fugitive dust.In the present embodiment, capping processing is carried out above traditional slag runner 1, so as to have above slag runner 1 relatively close
The space of envelope, to this during the paving of ash feeding device 3 spills incineration of refuse flyash the fugitive dust that generates, will not loss to ambient enviroment
In, tuber drainage can also be used certainly, exports the gas for decomposing and generating in it, while can play the role of heat preservation, reduced
Scattering and disappearing for heat, improves the thawing efficiency of incineration of refuse flyash.
The embodiment of the present invention also provides a kind of curing process system of incineration of refuse flyash, corresponding above-mentioned curing process side
Method, including slag runner 1, the slag runner 1 can be connect with the slag-drip opening of metallurgical furnace, i.e. the high-temperature slag of metallurgical furnace discharge is directly discharged to slag
In ditch 1, curing process system further includes ash feeding device 3 and condensing tower 2, and wherein ash feeding device 3 can be used for the high temperature melting into slag runner 1
Slag surface paving spills incineration of refuse flyash, is located at right above slag runner 1, and condensing tower 2 is then the end for being set to slag runner 1, and
The bottom of condensing tower 2 is provided with flushing cinder sink 4, and wherein one end of flushing cinder sink 4 is arranged close to the end of slag runner 1, and at the end
There is flushing cinder granulating device 5, flushing cinder granulating device 5 is located between 1 end of slag runner and condensing tower 2, and flushing cinder granulating device 5 generally uses
Flushing cinder is granulated head, the flow path of the flow path docking slag runner 1 of flushing cinder sink 4, and is flushing cinder granulating device 5 between two flow paths, thus
Show to first pass through flushing cinder granulating device 5 after melting flying dust and high-temperature slag export slag runner 1, then is entered by flushing cinder granulating device 5 and rushed
Slag bath 4.In the present embodiment, curing process system mainly utilizes high-temperature slag curing process incineration of refuse flyash, waste incineration
It is melting flying dust that flying dust paving, which is sprinkled upon high-temperature slag surface by fast melt, and melting flying dust is mixed with high-temperature slag, and in discharge slag
Solid impurity particle is granulated by flushing cinder granulating device 5 after ditch 1, so formed slag-water slurry along flushing cinder sink 4 enter along condensing tower 2 into
One step is cooling.In above process using traditional residues processing technique to achieve the purpose that curing process incineration of refuse flyash, no
But treatment effeciency is high, and energy-saving and emission-reduction, avoids the occurrence of and generates secondary pollution in treatment process.The other end of flushing cinder sink 4 prolongs
Drum filter or sedimentation basin are extended to, i.e. flushing cinder sink 4 runs through condensing tower 2, and slag-water slurry is directed at by flushing cinder sink 4 to be turned
Drum filter perhaps sedimentation basin and then can obtain the solid impurity particle in slag-water slurry by way of filtering or precipitating, and obtain
Solid impurity particle then can be with resource utilization.
Preferably, curing process system further includes the flying dust injection tank 6 being connected to ash feeding device 3, and in ash feeding device 3 and flying dust
Flow control valve 7 is provided on flow path between injection tank 6.In the present embodiment, flying dust injection tank 6 combines compressed air stream by rubbish
Flying ash is advertised to ash feeding device 3, then by the tiling of ash feeding device 3 to high temperature slag surface, and can be adjusted by flow control valve 7
Ash discharge flow at ash feeding device 3 can effectively ensure that incineration of refuse flyash can be melted sufficiently by this control.
Further, gas gathering mask 8 is also had additional on that basi of the above embodiments, which is connected to condensing tower 2, and
Slag runner 1 is located in the gas gathering mask 8 by at least partly structure of proximal end.In the present embodiment, the part-structure and flushing cinder of slag runner 1
For the equal the cover of granulating device 5 in gas gathering mask 8, main purpose is to fly for collecting flushing cinder granulating device 5 in the melting of flushing cinder grain China
Ash and a large amount of steam generated during high-temperature slag, and then a large amount of steam of generation are imported into rapid condensation in condensing tower 2.One
As for, above slag runner 1 also the cover have cover board 9, which extends to the end of slag runner 1 along ash feeding device 3, effect then
The effect for mainly keeping the temperature and eliminating lift.In above-mentioned 8 the cover slag runner 1 of gas gathering mask, there is cover board 9 part-structure to be located at gas collection
In cover 8, the space specifically enclosed between cover board 9 and slag runner 1 is connected to the inner space of gas gathering mask 8, in this regard, dividing in slag runner 1
Solving the air-flow that the gas generated and ash feeding device 3 are discharged can also enter in gas gathering mask 8, then is discharged by condensing tower, can be to avoid
Air pressure between cover board 9 and slag runner 1 is excessive.Certainly it is directed to this structure type, condensing tower 2 should also have the effect of purification gas
Fruit, or when assuming using compressed nitrogen, then should also need to recycle nitrogen.
In a preferred approach, the end of slag runner 1 is located at the top of flushing cinder sink 4, i.e., slag runner 1 is with flushing cinder sink 4 not same
One plane, and flushing cinder granulating device 5 also is located at the lower section of slag runner 1, thus melts flying dust and high-temperature slag by the falling at tail end of slag runner 1
It drops down at flushing cinder granulating device 5.In this way, on the one hand can to avoid when flushing cinder grain China to the high-temperature slag in slag runner 1
Flowing have an impact, on the other hand can also be improved during falling high-temperature slag and melt flying dust between mixing journey
Degree, is further ensured that the abundant melting of incineration of refuse flyash.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Within mind and principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of solidification processing method of incineration of refuse flyash, which comprises the following steps:
The high-temperature slag of metallurgical furnace discharge is imported into slag runner, and high-temperature slag is flowed along the slag runner；
High-temperature slag uniformly spreads to high-temperature slag surface along the slag runner flow process and spills incineration of refuse flyash, waste incineration
Flying dust is heated at high temperature to be decomposed for the organic matter in melting flying dust and flying dust；
Melting flying dust is flowed with high-temperature slag, is attached to high-temperature slag surface or part and is mixed into high-temperature slag, flow to the slag
It is granulated to form slag-water slurry by flushing cinder behind ditch end, and forms high-temperature steam, high-temperature steam enters cold with slag-water slurry
Continue to cool down in solidifying tower；
Slag-water slurry in the condensing tower is carried out by filtering or the solid impurity particle that precipitates to obtain solid impurity particle, and will acquire
Resource utilization.
2. the solidification processing method of incineration of refuse flyash as described in claim 1, it is characterised in that: spread the waste incineration spilt and fly
Ash quantity is according to the high-temperature slag flow and environment in the melting characteristic of incineration of refuse flyash, the temperature of high-temperature slag, the slag runner
Temperature determines, it is ensured that the temperature of high-temperature slag, which can make uniformly to spread the incineration of refuse flyash spilt, sufficiently to be melted.
3. the solidification processing method of incineration of refuse flyash as described in claim 1, it is characterised in that: incineration of refuse flyash passes through
Compressed air stream is delivered to the ash feeding device above the slag runner, is then spilt incineration of refuse flyash paving in high temperature by the ash feeding device
Slag surface.
4. the solidification processing method of incineration of refuse flyash as claimed in claim 3, it is characterised in that: correspond to institute in the slag runner
The section for stating ash feeding device to end carries out capping processing, to achieve the purpose that heat preservation and eliminate fugitive dust.
5. the curing process system of a kind of incineration of refuse flyash, including the slag runner that can be connect with the slag-drip opening of metallurgical furnace, feature
It is: further includes spilling the ash feeding device of incineration of refuse flyash for the high-temperature slag surface paving into the slag runner and being set to institute
The condensing tower of slag runner end is stated, the bottom of the condensing tower is provided with flushing cinder sink, and wherein one end of the flushing cinder sink is close
The end of the slag runner and it is provided with flushing cinder granulating device, the flow path of the flushing cinder sink docks the flow path of the slag runner.
6. the curing process system of incineration of refuse flyash as claimed in claim 5, it is characterised in that: further include with described to ash
The flying dust injection tank of device connection, and in being provided with flow control valve on the flow path of the ash feeding device and the flying dust injection tank.
7. the curing process system of incineration of refuse flyash as claimed in claim 5, it is characterised in that: it further include gas gathering mask, institute
It states gas gathering mask to be connected to the condensing tower, and the slag runner is located in the gas gathering mask by at least partly structure of proximal end.
8. the curing process system of incineration of refuse flyash as claimed in claim 5, it is characterised in that: further include slag described in the cover
Cover board above ditch, the cover board extend along the end of the ash feeding device to the slag runner.
9. the curing process system of incineration of refuse flyash as claimed in claim 5, it is characterised in that: the flushing cinder sink is another
End extends to drum filter or sedimentation basin.
10. the curing process system of incineration of refuse flyash as claimed in claim 5, it is characterised in that: the end of the slag runner
Positioned at the top of the flushing cinder sink.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811180853.2A CN109500048A (en) | 2018-10-09 | 2018-10-09 | The solidification processing method and processing system of incineration of refuse flyash |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811180853.2A CN109500048A (en) | 2018-10-09 | 2018-10-09 | The solidification processing method and processing system of incineration of refuse flyash |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109500048A true CN109500048A (en) | 2019-03-22 |
Family
ID=65746480
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811180853.2A Pending CN109500048A (en) | 2018-10-09 | 2018-10-09 | The solidification processing method and processing system of incineration of refuse flyash |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109500048A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112474706A (en) * | 2020-10-28 | 2021-03-12 | 马钢集团设计研究院有限责任公司 | Slag treatment system and method for molten state ash slag |
| CN112555850A (en) * | 2020-12-08 | 2021-03-26 | 重庆科技学院 | System for melting and treating waste incineration fly ash by utilizing waste heat of liquid blast furnace slag |
| CN112676321A (en) * | 2021-01-07 | 2021-04-20 | 武汉中科固废资源产业技术研究院有限公司 | Method and system for cooperatively treating waste incineration fly ash in steel mill |
| CN115341053A (en) * | 2022-08-19 | 2022-11-15 | 马鞍山钢铁股份有限公司 | System and method for collaborative resource utilization of incineration fly ash and metallurgical by-products |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202141056U (en) * | 2011-06-02 | 2012-02-08 | 浙江大学 | Integration system of hazardous waste burning and burning fly ash melting and solidification |
| CN103420631A (en) * | 2013-08-12 | 2013-12-04 | 郑州大学 | Waste incineration fly ash heavy metal dual-curing treatment method |
| CN103930574A (en) * | 2012-06-27 | 2014-07-16 | 新日铁住金株式会社 | Steel slag reduction equipment and steel slag reduction system |
| CN203833894U (en) * | 2014-03-10 | 2014-09-17 | 河南弘康环保科技有限公司 | Waste incineration fly ash treatment system |
| CN106755665A (en) * | 2017-02-20 | 2017-05-31 | 中冶赛迪上海工程技术有限公司 | A kind of utilization high-temperature slag processes the device and method of incineration of refuse flyash |
| CN108220511A (en) * | 2018-01-17 | 2018-06-29 | 安徽马钢工程技术集团有限公司 | Filter method Slag treatment method in a kind of In The Sub-mergedfurnace of The Ferroalloys bottom |
-
2018
- 2018-10-09 CN CN201811180853.2A patent/CN109500048A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202141056U (en) * | 2011-06-02 | 2012-02-08 | 浙江大学 | Integration system of hazardous waste burning and burning fly ash melting and solidification |
| CN103930574A (en) * | 2012-06-27 | 2014-07-16 | 新日铁住金株式会社 | Steel slag reduction equipment and steel slag reduction system |
| CN103420631A (en) * | 2013-08-12 | 2013-12-04 | 郑州大学 | Waste incineration fly ash heavy metal dual-curing treatment method |
| CN203833894U (en) * | 2014-03-10 | 2014-09-17 | 河南弘康环保科技有限公司 | Waste incineration fly ash treatment system |
| CN106755665A (en) * | 2017-02-20 | 2017-05-31 | 中冶赛迪上海工程技术有限公司 | A kind of utilization high-temperature slag processes the device and method of incineration of refuse flyash |
| CN108220511A (en) * | 2018-01-17 | 2018-06-29 | 安徽马钢工程技术集团有限公司 | Filter method Slag treatment method in a kind of In The Sub-mergedfurnace of The Ferroalloys bottom |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112474706A (en) * | 2020-10-28 | 2021-03-12 | 马钢集团设计研究院有限责任公司 | Slag treatment system and method for molten state ash slag |
| CN112555850A (en) * | 2020-12-08 | 2021-03-26 | 重庆科技学院 | System for melting and treating waste incineration fly ash by utilizing waste heat of liquid blast furnace slag |
| CN112676321A (en) * | 2021-01-07 | 2021-04-20 | 武汉中科固废资源产业技术研究院有限公司 | Method and system for cooperatively treating waste incineration fly ash in steel mill |
| CN115341053A (en) * | 2022-08-19 | 2022-11-15 | 马鞍山钢铁股份有限公司 | System and method for collaborative resource utilization of incineration fly ash and metallurgical by-products |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109500048A (en) | The solidification processing method and processing system of incineration of refuse flyash | |
| CN211247720U (en) | Plasma fusion vitrification device and waste incineration fly ash treatment system | |
| CN104759203B (en) | Fluidized bed process and system for directly capturing carbon dioxide in mineralized flue gas | |
| CN109140461A (en) | Dangerous waste high-temperature fusion crystallite purification device and exhaust purifying method | |
| CN106755665A (en) | A kind of utilization high-temperature slag processes the device and method of incineration of refuse flyash | |
| CN112795776B (en) | Method for co-processing waste incineration fly ash and copper-containing sludge | |
| CN101564731A (en) | Innocent treatment device for waste incineration flying ash | |
| CN106903130B (en) | A kind of method that medium temperature is heat-treated firm incineration of refuse flyash heavy metal | |
| CN112642842B (en) | Method and system for high-temperature melting and full-resource classification recycling treatment of household garbage incineration fly ash | |
| CN106466881B (en) | A kind of device and operation method of rotary incineration of refuse flyash microwave sintering haydite | |
| CN205473605U (en) | Organic hazardous waste plasma melting gasification treatment system | |
| CA2047807A1 (en) | Ash vitrification | |
| CN112325292A (en) | Garbage incineration ash treatment system and method based on large coal-fired power plant solid-state slagging boiler | |
| CN106113246B (en) | A kind of device and operation method of medical refuse burning flyash microwave continuous sintering ceramsite | |
| CN106705057A (en) | Heat-accumulating-type fly ash gasification smelting furnace | |
| CN109812818A (en) | A kind of flying ash of garbage cremator heat treatment system | |
| CN109680156A (en) | A kind of waste incineration and generating electricity cinder resourceization utilizes system and method | |
| CN110125141A (en) | Bed material and preparation process and processing method for incineration of refuse flyash melting | |
| CN105910124A (en) | Fly ash low-temperature melting device and method | |
| CN202328277U (en) | Composite cyclone furnace combustion device for melting flying ash | |
| CN209688848U (en) | A kind of flying ash of garbage cremator heat treatment system | |
| CN208146629U (en) | A kind of domestic garbage incineration flyash innocuity disposal system | |
| CN104180376B (en) | A kind of incineration treatment of garbage technique | |
| CN112441759A (en) | Method and device for treating waste incineration fly ash with low energy consumption, resource utilization and environmental protection | |
| CN110002776A (en) | A kind of online dry method dechlorination process |
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 | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190322 |
|
| RJ01 | Rejection of invention patent application after publication |