CN105921483A - Environment-friendly treatment system and method for fly ash of household garbage power generating station - Google Patents
Environment-friendly treatment system and method for fly ash of household garbage power generating station Download PDFInfo
- Publication number
- CN105921483A CN105921483A CN201610276661.6A CN201610276661A CN105921483A CN 105921483 A CN105921483 A CN 105921483A CN 201610276661 A CN201610276661 A CN 201610276661A CN 105921483 A CN105921483 A CN 105921483A
- Authority
- CN
- China
- Prior art keywords
- environment
- discharging opening
- charging aperture
- water tank
- inlet
- 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.)
- Granted
Links
- 238000000034 method Methods 0.000 title claims abstract description 18
- 239000010881 fly ash Substances 0.000 title claims abstract description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 79
- 239000003245 coal Substances 0.000 claims abstract description 45
- 238000010298 pulverizing process Methods 0.000 claims abstract description 42
- 230000000171 quenching effect Effects 0.000 claims abstract description 15
- 239000002994 raw material Substances 0.000 claims abstract description 8
- 238000005469 granulation Methods 0.000 claims description 41
- 230000003179 granulation Effects 0.000 claims description 41
- 238000001914 filtration Methods 0.000 claims description 40
- 238000007599 discharging Methods 0.000 claims description 34
- 239000002956 ash Substances 0.000 claims description 30
- 239000007789 gas Substances 0.000 claims description 29
- 239000000428 dust Substances 0.000 claims description 23
- 239000000463 material Substances 0.000 claims description 21
- 238000001816 cooling Methods 0.000 claims description 16
- 238000005367 electrostatic precipitation Methods 0.000 claims description 16
- 239000007788 liquid Substances 0.000 claims description 15
- 238000010791 quenching Methods 0.000 claims description 13
- 239000000446 fuel Substances 0.000 claims description 12
- 238000003860 storage Methods 0.000 claims description 11
- 239000003500 flue dust Substances 0.000 claims description 10
- 239000002893 slag Substances 0.000 claims description 9
- 238000011010 flushing procedure Methods 0.000 claims description 8
- 239000000843 powder Substances 0.000 claims description 8
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 7
- 239000003546 flue gas Substances 0.000 claims description 7
- 238000006243 chemical reaction Methods 0.000 claims description 5
- 231100000957 no side effect Toxicity 0.000 claims description 5
- 102220131792 rs886046308 Human genes 0.000 claims description 5
- 238000005303 weighing Methods 0.000 claims description 5
- 238000004891 communication Methods 0.000 claims description 2
- 239000011651 chromium Substances 0.000 abstract description 16
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 abstract description 12
- 229910052804 chromium Inorganic materials 0.000 abstract description 12
- 229910001385 heavy metal Inorganic materials 0.000 abstract description 8
- 238000002485 combustion reaction Methods 0.000 abstract description 2
- 239000003344 environmental pollutant Substances 0.000 abstract description 2
- 231100000252 nontoxic Toxicity 0.000 abstract description 2
- 230000003000 nontoxic effect Effects 0.000 abstract description 2
- 231100000719 pollutant Toxicity 0.000 abstract description 2
- 210000004127 vitreous body Anatomy 0.000 abstract 2
- JOPOVCBBYLSVDA-UHFFFAOYSA-N chromium(6+) Chemical compound [Cr+6] JOPOVCBBYLSVDA-UHFFFAOYSA-N 0.000 abstract 1
- 238000004064 recycling Methods 0.000 abstract 1
- 230000007613 environmental effect Effects 0.000 description 6
- 239000002699 waste material Substances 0.000 description 5
- 239000002817 coal dust Substances 0.000 description 3
- 239000002689 soil Substances 0.000 description 3
- 239000000356 contaminant Substances 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000004043 dyeing Methods 0.000 description 2
- 150000002500 ions Chemical class 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000001727 in vivo Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000010985 leather Substances 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 238000012958 reprocessing Methods 0.000 description 1
- 239000010959 steel 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G7/00—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G2204/00—Supplementary heating arrangements
- F23G2204/10—Supplementary heating arrangements using auxiliary fuel
- F23G2204/101—Supplementary heating arrangements using auxiliary fuel solid fuel
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G2209/00—Specific waste
- F23G2209/30—Solid combustion residues, e.g. bottom or flyash
Landscapes
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The invention belongs to the field of heavy metal pollutant treatment, in particular to an environment-friendly treatment system and a method for fly ash of a household garbage power generating station. The system comprises a raw material bin, a pulverizing device, a combustion device, a water circulating device, a tail gas recycling device and a filter device. The environment-friendly treatment system adopts pulverized coal to burn fly ash containing heavy metal chromium under a high-temperature condition, so that hexavalent chromium is completely reduced to be non-toxic trivalent chromium by C, a vitreous body shaped object is formed under cold quenching effect, and the trivalent chromium is sealed in the vitreous body shaped object, so that environment-friendly treatment insulated with living organisms of the natural world is realized.
Description
Technical field
The invention belongs to heavy metal contaminants processing equipment field, particularly relate to environment-friendly disposal system and the method for house refuse electric station flying dust.
Background technology
Along with the fast development of industrial civilization, what heavy metal caused pollutes in deterioration step by step, and one of representative of heavy metal contaminants is exactly chromium.Chromium is used for rustless steel, auto parts, instrument, the field such as tape and video-tape, is widely used, and also contains chromium in leather, dyeing material, Biohazard Waste etc..More than of the prior art, domestic refuse is served as thermal power plant's fuel used to generate electricity, such as Biohazard Waste, waste and old printing and dyeing paper, waste and old leatherware etc., but heavy metal chromium still can remain in the flying dust after these fuel combustions, causes the pollution of air and soil.Wherein Cr VI be easily absorbed by the body and accumulate in vivo, therefore the Cr VI in soil is easy to be absorbed by crops and be transferred in human body, and health is produced fatal threat.
Summary of the invention
It is an object of the invention to provide the environment-friendly disposal system of a kind of flying dust produced for house refuse electric station, it is intended to quickly solve Cr VI pollution on the environment in described flying dust, and the product of final production is used, real realization is turned waste into wealth.
For solving above-mentioned technical problem, the technical solution used in the present invention is as follows:
The environment-friendly disposal system of design one way of life garbage power station flying dust, described system includes raw material cabin, fuel pulverizing plant, burner, water circle device, device for recovering tail gas and defecator；
The discharging opening of raw material cabin is connected with the charging aperture of fuel pulverizing plant by weighing conveyer belt；
The discharging opening of fuel pulverizing plant is connected with the charging aperture of burner, the discharging opening of burner is connected with the charging aperture of water circle device, the gas outlet of burner is connected with the air inlet of device for recovering tail gas, the gas outlet of device for recovering tail gas is in communication with the outside, and the discharging opening of device for recovering tail gas is connected with the charging aperture of burner；
The discharging opening of water circle device is connected with the charging aperture of defecator, and the liquid outlet of defecator is connected with the inlet of water circle device.
Preferably, described raw material cabin includes coal store and ash-storing bin, fuel pulverizing plant includes run coal bin and Pulverized Coal Bin, coal store and ash-storing bin are connected with the charging aperture of run coal bin by corresponding weighing conveyer belt and coarse pulverization mechanism respectively, the discharging opening of run coal bin is connected with the charging aperture of Pulverized Coal Bin by belt conveyor and ball mill pulverizing mechanism, and the discharging opening of Pulverized Coal Bin is connected with the charging aperture of burner by machine supplying powder.
Preferably, described burner is cyclone furnace, the charging aperture of cyclone furnace is connected with the discharging opening of fuel pulverizing plant and the discharging opening of device for recovering tail gas respectively, and the gas outlet of cyclone furnace is connected with the air inlet of device for recovering tail gas, and the discharging opening of cyclone furnace is connected with the charging aperture of water circle device.
Preferably, described water circle device includes being granulated water tank, and granulation water tank bottom is respectively provided on two sides with the first inlet and discharging opening, and granulation water tank is arranged over the second inlet；Described defecator is the filtering ponds being provided with filter screen; the charging aperture of filtering ponds is connected by sluice with the discharging opening of granulation water tank; first liquid outlet of filtering ponds and the second liquid outlet are connected with the first inlet and second inlet of granulation water tank respectively; described filtering ponds are arranged over driving, and driving is provided with filtering residue grab bucket.
Preferably; first liquid outlet of described filtering ponds is connected by the first inlet of slag flushing pump with granulation water tank; second liquid outlet of filtering ponds is connected with the inlet of cooling tower by booster, and the liquid outlet of cooling tower is connected by the second inlet of granulation water pump with granulation water tank.
Preferably, described device for recovering tail gas includes denitration mechanism and electrostatic precipitation mechanism, the air inlet of denitration mechanism is connected with the gas outlet pipeline of burner, the gas outlet of denitration mechanism is connected with the air inlet of electrostatic precipitation mechanism, the gas outlet of electrostatic precipitation mechanism is connected with the external world, the bottom of electrostatic precipitation mechanism is provided with storage ash bucket, and storage ash bucket is connected with metering ash bucket by air flume, and metering ash bucket is connected with the charging aperture of burner by spiral ash machine structure.
Using the said system environment-friendly treatment method to house refuse electric station flying dust, step is as follows:
1) raw coal in coal store and the flying dust in ash-storing bin weigh respectively through corresponding scale conveyer, both mass ratioes are 8-10:1-3, being then passed through being sent to run coal bin after coarse pulverization mechanism pulverizes, then the mixed material after coarse pulverization is stored in Pulverized Coal Bin after ball mill pulverizing mechanism ball mill pulverizing to fineness of materials is R90=16-20%；
2) mixed material after ball mill pulverizing is sent into by machine supplying powder and is burnt to molten state in cyclone furnace and under conditions of 1600-2000 DEG C, then the water during molten state material flows into granulation water tank and with 20-28 DEG C contacts and carries out cold quenching, generate the vitreous thing having no side effect and flow out from the discharging opening of granulation water tank with water, finally flow into filtering ponds from sluice, vitreous thing is stopped by filter screen and the filtering residue driven a vehicle as filtering residue catches collection, water in filtering ponds pumps in cooling tower through the boosted pump of filter screen rear portion, after blower fan of cooling tower is forced to be cooled to 20-28 DEG C, it is fed back in granulation water tank by granulation water pump and continues to participate in cold quenching；Another part water promotes vitreous thing to enter sluice after slag flushing pump pressurizes；
3) flue gas generated that burns in cyclone furnace first passes through the denitration of denitration mechanism and processes, flyash and flue dust is obtained after carrying out the Electrostatic Treatment of electrostatic precipitation mechanism again, flyash and flue dust measure in ash bucket through air flume feeding after falling into storage ash bucket, and are finally participated in frit reaction by spiral ash machine structure feeding cyclone furnace.
In described step 1), raw coal is 9:1 with the mass ratio of flying dust.
In described step 2) in, the ignition temperature in cyclone furnace is 1800 DEG C.
In described step 2) in, the temperature of the water participating in cold quenching is 25 DEG C.
The present invention compared with prior art, has the advantage that
1) select to optimize proportioning raw materials and the technological parameter of each step, pollutant containing chromium are burnt under suitable hot conditions with coal dust, the wherein valence heavy metal ions such as Cr VI is made to be reduced into nontoxic trivalent chromium state completely by C, and under cold quenching effect, form vitreous thing, and the heavy metal ion such as the trivalent chromium making lower valency is mothballed in vitreous thing, realize and the environmental protection treatment of nature biotechnology body insulation, and in order to prevent from the flue gas that burning generates carries coal dust secretly and chromium component drains into the external world, flue gas is separated and collected reprocessing, really realize the very environmental protection treatment of chromium slag contaminated thing and contaminated soil thereof；
2) water source for cold quenching is divided into two lines road to process and recycle, and forms completely enclosed environmental protection production line；
3) heat that coal dust firing produces can serve as the thermal source of heating boiler, it is achieved the reasonable distribution of the energy and green application；
4) Processing System Design of the present invention is the most exquisite, and automaticity is high, environmentally friendly, is beneficial to popularize at field of Environment Protection.
Accompanying drawing explanation
Fig. 1 is the structural representation of environment-friendly disposal system in detailed description of the invention.
Detailed description of the invention
In order to make the purpose of the present invention, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not intended to limit the present invention.
As shown in Figure 1, the environment-friendly disposal system of house refuse electric station flying dust, described system includes coal store 1 and ash-storing bin 2, coal store 1 and ash-storing bin 2 are connected with run coal bin 3 charging aperture by corresponding weighing conveyer belt and coarse pulverization mechanism 14 respectively, the discharging opening of run coal bin 3 is connected with the charging aperture of Pulverized Coal Bin 4 by belt conveyor and ball mill pulverizing mechanism 15, and the discharging opening of Pulverized Coal Bin 4 is connected with the charging aperture of cyclone furnace 5 by machine supplying powder；
The gas outlet of cyclone furnace 5 is connected with the air inlet of denitration mechanism 6, the gas outlet of denitration mechanism 6 is connected with the air inlet of electrostatic precipitation mechanism 7, the gas outlet of electrostatic precipitation mechanism 7 is connected with the external world, storage ash bucket it is provided with bottom electrostatic precipitation mechanism 7, storage ash bucket is connected with metering ash bucket by air flume, and metering ash bucket is connected with the charging aperture of cyclone furnace 5 by spiral ash machine structure.
The discharging opening of cyclone furnace 5 is connected with the charging aperture of granulation water tank 8, granulation water tank 8 two bottom sides is respectively equipped with the first inlet and discharging opening, granulation water tank is arranged over the second inlet, the discharging opening of granulation water tank 8 is connected with the charging aperture of filtering ponds 9 by sluice, first liquid outlet of filtering ponds 9 is connected by the first inlet of slag flushing pump 10 with granulation water tank 8, second liquid outlet of filtering ponds 9 is connected with the inlet of cooling tower 12 by booster 11, the liquid outlet of cooling tower 12 is connected by the second inlet of granulation water pump 13 with granulation water tank 8, it is provided with filter screen in described filtering ponds 9, filtering ponds 9 are arranged over driving, driving is provided with filtering residue grab bucket.
Embodiment
1
The method that described system carries out environmental protection treatment to house refuse electric station flying dust, raw coal in coal store 1 and the flying dust in ash-storing bin 2 weigh respectively through corresponding scale conveyer, both mass ratioes are 8:1, being then passed through being sent to run coal bin 3 after coarse pulverization mechanism 14 pulverizes, then the mixed material after coarse pulverization is stored in Pulverized Coal Bin 4 after ball mill pulverizing mechanism 15 ball mill pulverizing to fineness of materials is R90=16-20%；
Mixed material after ball mill pulverizing is sent into by machine supplying powder and is burnt to molten state in cyclone furnace 5 and under conditions of 1600 DEG C, then the water during molten state material flows into granulation water tank 8 and with 20 DEG C contacts and carries out cold quenching, generate the vitreous thing having no side effect and flow out from the discharging opening of granulation water tank 8 with water, finally flow into filtering ponds 9 from sluice, vitreous thing is stopped by filter screen, water pumps in cooling tower 12 through the boosted pump of filter screen rear portion 11, after cooling tower 12 blower fan is forced to be cooled to 20 DEG C, it is fed back in granulation water tank 8 by granulation water pump 13 and continues to participate in cold quenching；Another part water promotes vitreous beyond the region of objective existence row after slag flushing pump 10 pressurizes.The filtering residue that vitreous thing in filtering ponds 9 is driven a vehicle as filtering residue catches and is collected.
Simultaneously, the flue gas generated that burns in cyclone furnace 5 first passes through denitration mechanism 6 denitration and processes, flyash and flue dust is obtained after carrying out the Electrostatic Treatment of electrostatic precipitation mechanism 7 again, flyash and flue dust are in air flume feeding metering ash bucket and final by participation frit reaction in spiral ash machine structure feeding cyclone furnace 5 after falling into storage ash bucket.
Embodiment
2
The method that described system carries out environmental protection treatment to house refuse electric station flying dust, raw coal in coal store 1 and the flying dust in ash-storing bin 2 weigh respectively through corresponding scale conveyer, both mass ratioes are 9:1, being then passed through being sent to run coal bin 3 after coarse pulverization mechanism 14 pulverizes, then the mixed material after coarse pulverization is stored in Pulverized Coal Bin 4 after ball mill pulverizing mechanism 15 ball mill pulverizing to fineness of materials is R90=16-20%；
Mixed material after ball mill pulverizing is sent into by machine supplying powder and is burnt to molten state in cyclone furnace 5 and under conditions of 1800 DEG C, then the water during molten state material flows into granulation water tank 8 and with 25 DEG C contacts and carries out cold quenching, generate the vitreous thing having no side effect and flow out from the discharging opening of granulation water tank 8 with water, finally flow into filtering ponds 9 from sluice, vitreous thing is stopped by filter screen, water pumps in cooling tower 12 through the boosted pump of filter screen rear portion 11, after cooling tower 12 blower fan is forced to be cooled to 25 DEG C, it is fed back in granulation water tank 8 by granulation water pump 13 and continues to participate in cold quenching；Another part water promotes vitreous beyond the region of objective existence row after slag flushing pump 10 pressurizes.The filtering residue that vitreous thing in filtering ponds 9 is driven a vehicle as filtering residue catches and is collected.
Simultaneously, the flue gas generated that burns in cyclone furnace 5 first passes through denitration mechanism 6 denitration and processes, flyash and flue dust is obtained after carrying out the Electrostatic Treatment of electrostatic precipitation mechanism 7 again, flyash and flue dust are in air flume feeding metering ash bucket and final by participation frit reaction in spiral ash machine structure feeding cyclone furnace 5 after falling into storage ash bucket.
Embodiment
3
The method that described system carries out environmental protection treatment to house refuse electric station flying dust, raw coal in coal store 1 and the flying dust in ash-storing bin 2 weigh respectively through corresponding scale conveyer, both mass ratioes are 10:2, being then passed through being sent to run coal bin 3 after coarse pulverization mechanism 14 pulverizes, then the mixed material after coarse pulverization is stored in Pulverized Coal Bin 4 after ball mill pulverizing mechanism 15 ball mill pulverizing to fineness of materials is R90=16-20%；
Mixed material after ball mill pulverizing is sent into by machine supplying powder and is burnt to molten state in cyclone furnace 5 and under conditions of 2000 DEG C, then the water during molten state material flows into granulation water tank 8 and with 28 DEG C contacts and carries out cold quenching, generate the vitreous thing having no side effect and flow out from the discharging opening of granulation water tank 8 with water, finally flow into filtering ponds 9 from sluice, vitreous thing is stopped by filter screen, water pumps in cooling tower 12 through the boosted pump of filter screen rear portion 11, after cooling tower 12 blower fan is forced to be cooled to 28 DEG C, it is fed back in granulation water tank 8 by granulation water pump 13 and continues to participate in cold quenching；Another part water promotes vitreous beyond the region of objective existence row after slag flushing pump 10 pressurizes.The filtering residue that vitreous thing in filtering ponds 9 is driven a vehicle as filtering residue catches and is collected.
Simultaneously, the flue gas generated that burns in cyclone furnace 5 first passes through denitration mechanism 6 denitration and processes, flyash and flue dust is obtained after carrying out the Electrostatic Treatment of electrostatic precipitation mechanism 7 again, flyash and flue dust are in air flume feeding metering ash bucket and final by participation frit reaction in spiral ash machine structure feeding cyclone furnace 5 after falling into storage ash bucket.
Claims (10)
1. the environment-friendly disposal system of one way of life garbage power station flying dust, it is characterised in that described system includes raw material cabin, fuel pulverizing plant, burner, water circle device, device for recovering tail gas and defecator；
The discharging opening of raw material cabin is connected with the charging aperture of fuel pulverizing plant by weighing conveyer belt；
The discharging opening of fuel pulverizing plant is connected with the charging aperture of burner, the discharging opening of burner is connected with the charging aperture of water circle device, the gas outlet of burner is connected with the air inlet of device for recovering tail gas, the gas outlet of device for recovering tail gas is in communication with the outside, and the discharging opening of device for recovering tail gas is connected with the charging aperture of burner；
The discharging opening of water circle device is connected with the charging aperture of defecator, and the liquid outlet of defecator is connected with the inlet of water circle device.
2. environment-friendly disposal system as claimed in claim 1, it is characterized in that, described raw material cabin includes coal store and ash-storing bin, fuel pulverizing plant includes run coal bin and Pulverized Coal Bin, coal store and ash-storing bin are connected with the charging aperture of run coal bin by corresponding weighing conveyer belt and coarse pulverization mechanism respectively, the discharging opening of run coal bin is connected with the charging aperture of Pulverized Coal Bin by belt conveyor and ball mill pulverizing mechanism, and the discharging opening of Pulverized Coal Bin is connected with the charging aperture of burner by machine supplying powder.
3. environment-friendly disposal system as claimed in claim 1, it is characterized in that, described burner is cyclone furnace, the charging aperture of cyclone furnace is connected with the discharging opening of fuel pulverizing plant and the discharging opening of device for recovering tail gas respectively, the gas outlet of cyclone furnace is connected with the air inlet of device for recovering tail gas, and the discharging opening of cyclone furnace is connected with the charging aperture of water circle device.
4. environment-friendly disposal system as claimed in claim 1, it is characterised in that described water circle device includes being granulated water tank, granulation water tank bottom is respectively provided on two sides with the first inlet and discharging opening, and granulation water tank is arranged over the second inlet；Described defecator is the filtering ponds being provided with filter screen; the charging aperture of filtering ponds is connected by sluice with the discharging opening of granulation water tank; first liquid outlet of filtering ponds and the second liquid outlet are connected with the first inlet and second inlet of granulation water tank respectively; described filtering ponds are arranged over driving, and driving is provided with filtering residue grab bucket.
5. environment-friendly disposal system as claimed in claim 4; it is characterized in that; first liquid outlet of described filtering ponds is connected by the first inlet of slag flushing pump with granulation water tank; second liquid outlet of filtering ponds is connected with the inlet of cooling tower by booster, and the liquid outlet of cooling tower is connected by the second inlet of granulation water pump with granulation water tank.
6. environment-friendly disposal system as claimed in claim 1, it is characterized in that, described device for recovering tail gas includes denitration mechanism and electrostatic precipitation mechanism, the air inlet of denitration mechanism is connected with the gas outlet pipeline of burner, the gas outlet of denitration mechanism is connected with the air inlet of electrostatic precipitation mechanism, the gas outlet of electrostatic precipitation mechanism is connected with the external world, the bottom of electrostatic precipitation mechanism is provided with storage ash bucket, storage ash bucket is connected with metering ash bucket by air flume, and metering ash bucket is connected with the charging aperture of burner by spiral ash machine structure.
7. use the system environment-friendly treatment method to house refuse electric station flying dust described in claim 1-6, it is characterised in that step is as follows:
1) raw coal in coal store and the flying dust in ash-storing bin weigh respectively through corresponding scale conveyer, both mass ratioes are 8-10:1-3, being then passed through being sent to run coal bin after coarse pulverization mechanism pulverizes, then the mixed material after coarse pulverization is stored in Pulverized Coal Bin after ball mill pulverizing mechanism ball mill pulverizing to fineness of materials is R90=16-20%；
2) mixed material after ball mill pulverizing is sent into by machine supplying powder and is burnt to molten state in cyclone furnace and under conditions of 1600-2000 DEG C, then the water during molten state material flows into granulation water tank and with 20-28 DEG C contacts and carries out cold quenching, generate the vitreous thing having no side effect and flow out from the discharging opening of granulation water tank with water, finally flow into filtering ponds from sluice, vitreous thing is stopped by filter screen and the filtering residue driven a vehicle as filtering residue catches collection, water in filtering ponds pumps in cooling tower through the boosted pump of filter screen rear portion, after blower fan of cooling tower is forced to be cooled to 20-28 DEG C, it is fed back in granulation water tank by granulation water pump and continues to participate in cold quenching；Another part water promotes vitreous thing to enter sluice after slag flushing pump pressurizes；
3) flue gas generated that burns in cyclone furnace first passes through the denitration of denitration mechanism and processes, flyash and flue dust is obtained after carrying out the Electrostatic Treatment of electrostatic precipitation mechanism again, flyash and flue dust measure in ash bucket through air flume feeding after falling into storage ash bucket, and are finally participated in frit reaction by spiral ash machine structure feeding cyclone furnace.
8. the environment-friendly treatment method of house refuse electric station as claimed in claim 1 flying dust, it is characterised in that in described step 1), raw coal is 9:1 with the mass ratio of flying dust.
9. the environment-friendly treatment method of house refuse electric station as claimed in claim 1 flying dust, it is characterised in that in described step 2) in, the ignition temperature in cyclone furnace is 1800 DEG C.
10. the environment-friendly treatment method of house refuse electric station as claimed in claim 1 flying dust, it is characterised in that in described step 2) in, the temperature of the water participating in cold quenching is 25 DEG C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610276661.6A CN105921483B (en) | 2016-04-29 | 2016-04-29 | The environment-friendly disposal system and method for house refuse power station flying dust |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610276661.6A CN105921483B (en) | 2016-04-29 | 2016-04-29 | The environment-friendly disposal system and method for house refuse power station flying dust |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105921483A true CN105921483A (en) | 2016-09-07 |
| CN105921483B CN105921483B (en) | 2018-04-03 |
Family
ID=56837587
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610276661.6A Active CN105921483B (en) | 2016-04-29 | 2016-04-29 | The environment-friendly disposal system and method for house refuse power station flying dust |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105921483B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106524175A (en) * | 2016-12-30 | 2017-03-22 | 重庆科技学院 | Waste fusing and curing treatment system and method |
| CN107191943A (en) * | 2017-04-26 | 2017-09-22 | 韶关绿然再生资源发展有限公司 | Incineration disposal draff processing method |
| CN109882855A (en) * | 2018-12-29 | 2019-06-14 | 义马环保电力有限公司 | Ash comprehensive utilization processing system and method |
| CN110594755A (en) * | 2019-08-22 | 2019-12-20 | 徐晓 | Fly ash melting system for waste incineration plant based on pure oxygen combustion |
| CN112642842A (en) * | 2021-01-01 | 2021-04-13 | 天津壹鸣环境科技股份有限公司 | Method and system for recycling household garbage incineration fly ash through high-temperature melting and full resource classification |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1579555A (en) * | 1976-06-09 | 1980-11-19 | Jones B H | Recovery of chromium from tannery waste |
| EP0508697A1 (en) * | 1991-04-09 | 1992-10-14 | Qi-Jiang Situ | A re-calcination and extraction process for the detoxification and comprehensive utilization of chromic residues |
| CN101074776A (en) * | 2006-05-16 | 2007-11-21 | 殷大众 | System and method for detoxifying boiler flyash re-melt soldering slag |
| CN101265508A (en) * | 2007-03-16 | 2008-09-17 | 天津市大钧科技开发有限公司 | Harmless resource treatment method for chromium slag by using blast furnace iron-making technique |
| CN201493302U (en) * | 2009-10-16 | 2010-06-02 | 殷大众 | Cyclone furnace fly ash remelting method chromium residue directly into furnace detoxification system |
| CN101722171A (en) * | 2009-11-24 | 2010-06-09 | 武汉东湖高新集团股份有限公司 | Boiler fly ash remelting chromium slag detoxification system for improving blend ratio of chromium slag and method thereof |
| CN102816933A (en) * | 2011-06-08 | 2012-12-12 | 工信华鑫科技有限公司 | Treatment process method of chrome slag |
| CN105039726A (en) * | 2015-07-07 | 2015-11-11 | 义马环保电力有限公司 | Chromium slag processing method |
| CN105344695A (en) * | 2015-10-28 | 2016-02-24 | 长安大学 | Waste incineration fly ash treatment method and device |
-
2016
- 2016-04-29 CN CN201610276661.6A patent/CN105921483B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1579555A (en) * | 1976-06-09 | 1980-11-19 | Jones B H | Recovery of chromium from tannery waste |
| EP0508697A1 (en) * | 1991-04-09 | 1992-10-14 | Qi-Jiang Situ | A re-calcination and extraction process for the detoxification and comprehensive utilization of chromic residues |
| CN101074776A (en) * | 2006-05-16 | 2007-11-21 | 殷大众 | System and method for detoxifying boiler flyash re-melt soldering slag |
| CN101265508A (en) * | 2007-03-16 | 2008-09-17 | 天津市大钧科技开发有限公司 | Harmless resource treatment method for chromium slag by using blast furnace iron-making technique |
| CN201493302U (en) * | 2009-10-16 | 2010-06-02 | 殷大众 | Cyclone furnace fly ash remelting method chromium residue directly into furnace detoxification system |
| CN101722171A (en) * | 2009-11-24 | 2010-06-09 | 武汉东湖高新集团股份有限公司 | Boiler fly ash remelting chromium slag detoxification system for improving blend ratio of chromium slag and method thereof |
| CN102816933A (en) * | 2011-06-08 | 2012-12-12 | 工信华鑫科技有限公司 | Treatment process method of chrome slag |
| CN105039726A (en) * | 2015-07-07 | 2015-11-11 | 义马环保电力有限公司 | Chromium slag processing method |
| CN105344695A (en) * | 2015-10-28 | 2016-02-24 | 长安大学 | Waste incineration fly ash treatment method and device |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106524175A (en) * | 2016-12-30 | 2017-03-22 | 重庆科技学院 | Waste fusing and curing treatment system and method |
| CN107191943A (en) * | 2017-04-26 | 2017-09-22 | 韶关绿然再生资源发展有限公司 | Incineration disposal draff processing method |
| CN107191943B (en) * | 2017-04-26 | 2019-03-29 | 韶关东江环保再生资源发展有限公司 | Incineration disposal draff processing method |
| CN109882855A (en) * | 2018-12-29 | 2019-06-14 | 义马环保电力有限公司 | Ash comprehensive utilization processing system and method |
| CN110594755A (en) * | 2019-08-22 | 2019-12-20 | 徐晓 | Fly ash melting system for waste incineration plant based on pure oxygen combustion |
| CN112642842A (en) * | 2021-01-01 | 2021-04-13 | 天津壹鸣环境科技股份有限公司 | Method and system for recycling household garbage incineration fly ash through high-temperature melting and full resource classification |
| CN112642842B (en) * | 2021-01-01 | 2023-12-05 | 天津壹鸣环境科技股份有限公司 | Method and system for high-temperature melting and full-resource classification recycling treatment of household garbage incineration fly ash |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105921483B (en) | 2018-04-03 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105921483A (en) | Environment-friendly treatment system and method for fly ash of household garbage power generating station | |
| CN105032884B (en) | Cement rotary kiln collaboration processes house refuse and energy comprehensive utilization system and method | |
| CN205065730U (en) | Energy -concerving and environment -protective waste incinerator | |
| CN203791331U (en) | System for synergistic treatment of municipal domestic waste in cement kiln | |
| CN104501171B (en) | Garbage derivatived fuel (RDF) pyrolysis gasification system | |
| CN101786809A (en) | Garbage disposal system used in cement dry kiln production and disposal method thereof | |
| CN103978007A (en) | Fluidized bed type chromium slag pyrolysis harmless process | |
| CN105945028B (en) | Consumer waste incineration regeneration technique | |
| CN106610230A (en) | Sintering flue gas reduction and waste heat comprehensive utilization method and device | |
| CN1891841B (en) | Regenerative lead processing method and apparatus | |
| CN103302079B (en) | Comprehensive treatment and utilization method of aluminum smelting fluorine-carbon hazardous solid wastes | |
| CN201589272U (en) | Waste disposal system applied in production of cement dry-process rotary kiln | |
| CN106594751A (en) | Waste incineration system | |
| CN110762535A (en) | Method and system for harmless treatment of incineration and melting of organic solid wastes | |
| CN1211474A (en) | Treating method for urban garbage and special equipment | |
| CN105772487B (en) | The environment-friendly treatment method and products therefrom of chromium slag contaminated object and its contaminated soil and application | |
| CN105222136A (en) | A kind of system of cement kiln cooperative disposal house refuse | |
| CN211345325U (en) | System for organic solid waste incineration melting innocent treatment | |
| CN105062562A (en) | Plasma gasification furnace for treating hazardous waste and process | |
| CN104296149B (en) | A kind of refuse disposal system | |
| CN102863137B (en) | Comprehensive utilization method and comprehensive utilization system for biochemical sludge | |
| KR20160031593A (en) | Apparatus of the combined heat supplying and drying with briquet boiler | |
| CN206556027U (en) | A kind of castoff burning system | |
| CN104879768A (en) | Crushed coal screener of coal spraying machine | |
| CN109780546A (en) | Improve the chromium residue detoxifying system and method that chromium slag mixes ratio |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PP01 | Preservation of patent right |
Effective date of registration: 20211026 Granted publication date: 20180403 |
|
| PP01 | Preservation of patent right |