CN205110339U - Waste incineration fly ash and phosphorous waste water concurrent processing system - Google Patents
Waste incineration fly ash and phosphorous waste water concurrent processing system Download PDFInfo
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- CN205110339U CN205110339U CN201520789380.1U CN201520789380U CN205110339U CN 205110339 U CN205110339 U CN 205110339U CN 201520789380 U CN201520789380 U CN 201520789380U CN 205110339 U CN205110339 U CN 205110339U
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Abstract
Waste incineration fly ash and phosphorous waste water concurrent processing system relates to the environmental protection technology field. This system includes flying dust storage and transportation device, first supersound processing apparatus, second supersound processing apparatus and flying dust warehouse, flying dust storage and transportation device, the connection of first supersound processing apparatus, second supersound processing apparatus and flying dust warehouse connect gradually, first supersound processing apparatus includes phosphorous waste water tank, first spiral blendor, an ultrasonic generrator, a solid -liquid separation ware and sewage tank. The utility model discloses an incineration fly ash and phosphorous waste water concurrent processing system adopt second grade supersound promotion villaumite and metal to leach, and the metal that leaches after mixing with phosphorous waste water forms to precipitate with orthophosphates easily and removes heavy metal ion removal, can realize the recovery of villaumite value of the product so that flying dust stopping reaction formation back villaumite is retrieved through the evaporation simultaneously, have good environmental benefit and economic benefits.
Description
Technical field
The utility model relates to environmental technology field, is specially a kind of incineration of refuse flyash and phosphorus-containing wastewater coprocessing system.
Background technology
Since reform and opening-up, China's rapid economic development, city size constantly expands, and the level of urbanization improves constantly, and residents consumption pattern constantly transforms and the refuse production of China and accumulating amount are on the increase.Current China trash processing way is for landfill is main, and burning and compost are auxiliary, because garbage incineration technology can realize minimizing to rubbish, innoxious and disposal of resources, obtains at present and develop fast.By the end of in August, 2013, China builds up and the MSW Incineration Plant run about 159, day process 1,405 ten thousand tons.Known according to " 12 national application of city life garbage harmless treatment Facilities Construction planning ", to the end of the year 2015, China's garbage burning factory can reach 300,100,000,000/year for the treatment of capacity.Along with the accelerated development of waste incineration, the output of flying dust is also increase gradually.
According to " 12 " planning, to the end of the year 2015, China's year will produce about 200,000,000 tons, rubbish, and wherein about 100,000,000 tons is burning disposal, is 3% calculating according to flying dust generation, and China produces flying dust 3,000,000 tons every year, and this is very large quantity.At present, the handling rate of flying dust about only has 50%, has a lot of flying dust without disposal, is harm source very large in environment.The problem that disturbs residents of flying dust, obtains the concern of various circles of society, is also one of immediate cause causing " neighbour keeps away phenomenon " at present.
72%Zn in rubbish, 24%Cr, 46%Cd, 30%Ni, 36%Cu, 86%Pb transfer in flying dust, and the dioxin in garbage flying ash accounts for more than 90% of total release.According to national standard (GB18485-2001) regulation, incineration of refuse flyash is owing to being listed in danger wastes containing a large amount of bioxin and heavy metal.But flying dust is also containing more silicate, and aluminate, can as construction material or as cement slurry; Also also have more vitreum or active metallic ion in flying dust, there is certain activity.Namely flying dust is a kind of danger wastes is also a kind of resource thing, enters into the security landfill head time can form secondary pollution and be also a kind of waste of resource.
Seemingly, mainly based on Ca, Si, Al, Fe, K, Na, oxide is with CaO, SiO2, Al2O3, Fe2O3 for the element contained in flying dust and general mineral facies, component is similar structure to portland cement.And containing a large amount of salts in flying dust, content is about 20%, exist with forms such as CaCl2, KCl and NaCl, mainly water soluble chloride.The existence of this part salt can strengthen the difficulty of flying dust disposal and recycling, as made reinforcement corrosion passivation when using as construction material.
The phosphorus-containing wastewater that industry produces is often phosphorous very high, and general biological method is difficult to remove.Waste water containing P form be orthophosphates, Quadrafos and organophosphor, in sanitary sewage, Quadrafos and organophosphor are easy to be become orthophosphates by bacterial degradation, and mainly based on orthophosphoric acid in industrial wastewater, therefore the process of phosphorus-containing wastewater more pays attention to orthophosphates.Chemical Treatment phosphorus-containing wastewater slaine is mainly: calcium salt, aluminium salt and molysite, precipitation can occur after mixing with orthophosphates simultaneously also can along with flocculation, removal effect reaches 75-85%, can exist according to the known flying dust of flying dust crystal structure as dephosphorization agent.
At present, flying ash recycling must remove heavy metal wherein and salt, conventional method is WATER-WASHING METHOD, such as, the Chinese patent of publication number CN101817650A discloses a kind of method for the treatment of incinerated fly ash of domestic garbage with cooperation of cement kiln, and flying dust is washed out villaumite with mixing under water 1:2-1:3 condition by the method, repeatedly recycles, the method water consumption is large, and Separation of Solid and Liquid cost is high.Publication number CN203853372U describes and a kind of ultrasonicly washes out villaumite, the method for flying dust residue resource through 3 times, but the method water consumption is comparatively large, and sewage disposal and evaporation are costly.Flying dust and the existing patent of phosphorus-containing wastewater mixing, Chinese patent as publication number CN101659463A discloses a kind of flying dust Removal of Phosphorus in Wastewater, with 0.1-0.2g flying dust/mg phosphorus ratio mixing, phosphorus-containing wastewater and flying dust are all stablized, but in flying dust, metal long-time stability muriatic whereabouts that is uncertain and waste water is not explained yet.
Utility model content
The purpose of this utility model overcomes existing technical deficiency exactly, and it is metal-stabilized that the one provided utilizes phosphorus-containing wastewater to make in incineration of refuse flyash, improves villaumite extrusion rate, makes incineration of refuse flyash reach innoxious with resource and the process of phosphorus-containing wastewater.
The technical scheme realizing above-mentioned purpose is: a kind of incineration of refuse flyash and phosphorus-containing wastewater coprocessing system, and this system comprises flying dust storage and transportation apparatus, the first ultrasonic processing apparatus and flying dust warehouse.
Described flying dust storage and transportation apparatus is connected with the first ultrasonic processing apparatus, and the first ultrasonic processing apparatus is connected with flying dust warehouse.
Described first ultrasonic processing apparatus comprises phosphorus-containing wastewater tank, the first spiral mixer, the first ultrasonic generator, the first solid-liquid separator and sewage tank, the charging aperture of the first spiral mixer connects phosphorus-containing wastewater tank and flying dust storage and transportation apparatus respectively, the discharging opening of described first spiral mixer is connected with the charging aperture of the first ultrasonic generator, the discharging opening of described first ultrasonic generator is connected with the charging aperture of the first solid-liquid separator, and the liquid outlet of described first solid-liquid separator is connected with sewage tank.
This system also comprises sewage-treatment plant and the second ultrasonic processing apparatus, described second ultrasonic processing apparatus is connected between the first ultrasonic processing apparatus and flying dust drying device, described sewage-treatment plant comprises interconnective sewage storage pond and treatment tank, and described sewage storage pond is also connected with sewage tank, described second ultrasonic processing apparatus comprises the second spiral mixer, second ultrasonic generator and the second solid-liquid separator, the charging aperture of the second spiral mixer is connected with the discharging opening of the first solid-liquid separator, the discharging opening of described second spiral mixer is connected with the charging aperture of the second ultrasonic generator, the charging aperture of the second ultrasonic generator also connects treatment tank simultaneously, the discharging opening of described second ultrasonic generator connects the charging aperture of the second solid-liquid separator, the liquid outlet of described second solid-liquid separator connects sewage storage pond, the discharging opening of the second solid-liquid separator connects flying dust warehouse.
Flying dust storage and transportation apparatus comprise connect successively transport vehicle, flying dust storage hole, flying dust elevator, flying dust holding vessel, flying dust feeder and flying dust electronic scale, the discharging opening of flying dust electronic scale is connected with the charging aperture of the first spiral mixer.
The discharging opening of described flying dust warehouse is also connected with flying dust drying device.
The course of work of the present utility model:
S1: flying dust is transported in flying dust storage hole by the transport vehicle in flying dust storage and transportation apparatus, fly ash carry is to flying dust holding vessel by flying dust storage hole for flying dust elevator, and in flying dust holding vessel, flying dust delivers to through flying dust feeder the first spiral mixer entering into the first ultrasonic processing apparatus after the metering of flying dust electronic scale.
Flying dust mixes with the phosphorus-containing wastewater in phosphorus-containing wastewater tank at the first spiral mixer, enter into the first ultrasonic generator and carry out first set reaction, gained material is delivered to the first equipment for separating liquid from solid and is carried out Separation of Solid and Liquid, material after the first equipment for separating liquid from solid is separated enters in the second spiral mixer, and filtrate is by delivering to sewage tank.
Material in S2: the second spiral mixer with process in treatment tank after waste water mix after, be transported to ultrasonic generator and carry out second time reaction, mass transport after having reacted carries out Separation of Solid and Liquid to the second equipment for separating liquid from solid, material after the second equipment for separating liquid from solid is separated is through being delivered in flying dust warehouse, and filtrate is delivered in sewage storage pond.
S3: the mass transport in flying dust warehouse carries out drying to flying dust drying device.
The beneficial effects of the utility model:
Flying ash of the present utility model and phosphorus-containing wastewater coprocessing system adopt the ultrasonic promotion villaumite of secondary and metal to leach, utilize ultrasonic cavitation, after acoustic pressure reaches certain value, cavitation bubble breaks, form high pressure, destroy slightly solubility villaumite and metal structure in flying dust, thus make it be dissolved in the water, ultrasonic wave also can make violent effect between particulate generate high temperature simultaneously, promotes the leaching of villaumite and metal
Flying ash of the present utility model and phosphorus-containing wastewater coprocessing system adopt the ultrasonic promotion villaumite of secondary and metal to leach, the metal leached after mixing with phosphorus-containing wastewater is easily formed with orthophosphates and precipitates removal heavy metal, after stabilizing fly ash can be made to react generation, villaumite is reclaimed by evaporation simultaneously, achieve villaumite value of the product to reclaim, there is good environmental benefit and economic benefit.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Detailed description of the invention
As shown in Figure 1, the utility model comprises flying dust storage and transportation apparatus 1, first ultrasonic processing apparatus 2, sewage-treatment plant 5, flying dust drying device 6, second ultrasonic processing apparatus 3 and flying dust warehouse 4.
Flying dust storage and transportation apparatus 1 comprise connect successively transport vehicle 11, flying dust storage hole 50, flying dust elevator 12, flying dust holding vessel 13, flying dust feeder 14 and flying dust electronic scale 15.
First ultrasonic processing apparatus 2 comprises phosphorus-containing wastewater tank 21, first spiral mixer 23, first ultrasonic generator 24, first solid-liquid separator 25 and sewage tank 22, the charging aperture of the first spiral mixer 23 connects flying dust electronic scale 15, phosphorus-containing wastewater tank 21 connects the first spiral mixer 23 by the first intake pump 26, the discharging opening of the first spiral mixer 23 is connected with the charging aperture of the first ultrasonic generator 24 by flying dust feeder 210, the discharging opening of the first ultrasonic generator 24 is connected with the charging aperture of the first solid-liquid separator 25 by the first feed pump 29, the liquid outlet of the first solid-liquid separator 25 is connected with sewage tank 22 by the second intake pump 27.
Sewage-treatment plant 5 comprises interconnective sewage storage pond 51 and treatment tank 52, and sewage storage pond 51 is connected with sewage tank 22 by the 3rd intake pump 53.During sewage disposal, first in treatment tank 52, first add heavy metal chelating agent removes a small amount of heavy metal, uses boiler evaporating waste water solid to be separated, reclaim industrial villaumite after filtering.
Second ultrasonic processing apparatus 3 comprises the second spiral mixer 31, second ultrasonic generator 32 and the second solid-liquid separator 33, the charging aperture of the second spiral mixer 31 is connected with the discharging opening of the first solid-liquid separator 25 by the first belt conveyor 28, the discharging opening of the second spiral mixer 31 is connected with the charging aperture of the second ultrasonic generator 32 by the second feed pump 34, the charging aperture of the second ultrasonic generator 32 also connects treatment tank 52 by the 3rd intake pump 54 simultaneously, the discharging opening of the second ultrasonic generator 32 connects the charging aperture of the second solid-liquid separator 33 by the 3rd feed pump 35, the liquid outlet of the second solid-liquid separator 33 connects sewage storage pond 52 by the 4th intake pump 36, the discharging opening of the second solid-liquid separator 33 connects flying dust warehouse 4 by the second belt conveyor 37, the discharging opening of flying dust warehouse 4 is connected with flying dust drying device 6 by the second belt conveyor 7.
Claims (4)
1. incineration of refuse flyash and phosphorus-containing wastewater coprocessing system, is characterized in that:. this system comprises flying dust storage and transportation apparatus, the first ultrasonic processing apparatus and flying dust warehouse;
Described flying dust storage and transportation apparatus is connected with the first ultrasonic processing apparatus, and the first ultrasonic processing apparatus is connected with flying dust warehouse;
Described first ultrasonic processing apparatus comprises phosphorus-containing wastewater tank, the first spiral mixer, the first ultrasonic generator, the first solid-liquid separator and sewage tank, the charging aperture of the first spiral mixer connects phosphorus-containing wastewater tank and flying dust storage and transportation apparatus respectively, the discharging opening of described first spiral mixer is connected with the charging aperture of the first ultrasonic generator, the discharging opening of described first ultrasonic generator is connected with the charging aperture of the first solid-liquid separator, and the liquid outlet of described first solid-liquid separator is connected with sewage tank.
2. incineration of refuse flyash according to claim 1 and phosphorus-containing wastewater coprocessing system, it is characterized in that: this system also comprises sewage-treatment plant and the second ultrasonic processing apparatus, described second ultrasonic processing apparatus is connected between the first ultrasonic processing apparatus and flying dust drying device, described sewage-treatment plant comprises interconnective sewage storage pond and treatment tank, and described sewage storage pond is also connected with sewage tank, described second ultrasonic processing apparatus comprises the second spiral mixer, second ultrasonic generator and the second solid-liquid separator, the charging aperture of the second spiral mixer is connected with the discharging opening of the first solid-liquid separator, the discharging opening of described second spiral mixer is connected with the charging aperture of the second ultrasonic generator, the charging aperture of the second ultrasonic generator also connects treatment tank simultaneously, the discharging opening of described second ultrasonic generator connects the charging aperture of the second solid-liquid separator, the liquid outlet of described second solid-liquid separator connects sewage storage pond, the discharging opening of the second solid-liquid separator connects flying dust warehouse.
3. incineration of refuse flyash according to claim 1 and 2 and phosphorus-containing wastewater coprocessing system, it is characterized in that: flying dust storage and transportation apparatus comprise connect successively transport vehicle, flying dust storage hole, flying dust elevator, flying dust holding vessel, flying dust feeder and flying dust electronic scale, the discharging opening of flying dust electronic scale is connected with the charging aperture of the first spiral mixer.
4. incineration of refuse flyash according to claim 3 and phosphorus-containing wastewater coprocessing system, is characterized in that: the discharging opening of described flying dust warehouse is also connected with flying dust drying device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201520789380.1U CN205110339U (en) | 2015-10-14 | 2015-10-14 | Waste incineration fly ash and phosphorous waste water concurrent processing system |
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| CN201520789380.1U CN205110339U (en) | 2015-10-14 | 2015-10-14 | Waste incineration fly ash and phosphorous waste water concurrent processing system |
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| CN205110339U true CN205110339U (en) | 2016-03-30 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107013924A (en) * | 2017-04-20 | 2017-08-04 | 福建广汇龙环保科技研究院有限公司 | Incineration of refuse flyash processing equipment and processing method |
| CN113578920A (en) * | 2021-06-24 | 2021-11-02 | 东江环保股份有限公司 | Fly ash treatment system and treatment method |
-
2015
- 2015-10-14 CN CN201520789380.1U patent/CN205110339U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107013924A (en) * | 2017-04-20 | 2017-08-04 | 福建广汇龙环保科技研究院有限公司 | Incineration of refuse flyash processing equipment and processing method |
| CN113578920A (en) * | 2021-06-24 | 2021-11-02 | 东江环保股份有限公司 | Fly ash treatment system and treatment method |
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