CN216728748U - Unqualified flying dust recovery processing device of msw incineration - Google Patents
Unqualified flying dust recovery processing device of msw incineration Download PDFInfo
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- CN216728748U CN216728748U CN202123229464.4U CN202123229464U CN216728748U CN 216728748 U CN216728748 U CN 216728748U CN 202123229464 U CN202123229464 U CN 202123229464U CN 216728748 U CN216728748 U CN 216728748U
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Abstract
The utility model provides an unqualified flying dust recovery processing device of msw incineration, it is including setting up carrying machine, receiving device, breaker, flying dust in the fill of refuse treatment factory to weigh measuring bin, conveying mechanism, mixing stirring device, medicament storage container, receiving device's export is connected with the feed inlet of breaker, the discharge gate of breaker is carried with the fill and is connected with the feed inlet of machine, the discharge gate of carrying the machine is carried with the flying dust and is kept in the entry linkage of weighing measuring bin, mixing stirring device is equipped with flying dust entry and medicament entry, the flying dust is kept in the discharge gate of weighing measuring bin and is passed through conveying mechanism and flying dust entry linkage, medicament storage container's export and medicament entry intercommunication. Adopt the technical scheme of the utility model, can overhaul the clearance flying dust and incorporate this system in unqualified flying dust, boiler, reaction tower, dust remover after the chemical examination of msw incineration factory, carry out recovery processing to unqualified flying dust on the spot, the flying dust after the processing satisfies the environmental protection and detects the requirement.
Description
Technical Field
The utility model relates to an environmental protection technology field especially relates to a unqualified flying dust recovery processing device of msw incineration.
Background
Along with the steady and healthy development of the step of urbanization construction, the national economic level is increasingly improved, and the quantity of garbage in various developed areas is steadily increased at present. At present, domestic garbage is collected and incinerated to reduce the quantity, and the method is a mainstream treatment mode in the international society. The incineration fly ash is a reaction product of a waste incineration flue gas treatment system, smoke dust filtered by a bag-type dust collector, a condensation product between flues and the like, accounts for about 2-4% of the amount of the incineration waste, contains heavy metals such as zinc (Zn), lead (Pb), copper (Cu), chromium (Cr) and the like, and highly toxic organic pollutants such as dioxin and the like, has great harm to human health and ecological environment, and belongs to dangerous waste according to the regulation of national records of dangerous waste. The pollutant discharge of domestic waste incineration plants in China executes GB 18485-2014 pollution control Standard for domestic waste incineration, fly ash is treated as hazardous waste according to the regulations, and the most common disposal mode is to send the fly ash to hazardous waste landfill sites for landfill at present.
GB16889-2008 'pollution control Standard for municipal solid waste landfill site' implemented in 7/1 of 2008 has new regulations on the disposal of incineration fly ash, namely, the incineration fly ash of the municipal solid waste can be disposed in the municipal solid waste landfill site after meeting certain conditions after being treated. And after the fly ash is chelated and solidified every time, testing the mass fraction of dioxin and the leaching toxicity of heavy metals on the solidified fly ash, analyzing the feasibility of the treatment of the incineration fly ash after being solidified and entering a household garbage landfill, and enabling the incineration fly ash to enter the landfill for landfill if meeting the control standard requirements.
The fly ash is usually bagged, sealed and stored after chelation and solidification, once the fly ash is unqualified in inspection, secondary chelation and solidification are needed after the fly ash is crushed, and a common waste incineration plant does not have the device and cannot meet the requirement of environmental protection. In addition, during the period of furnace shutdown maintenance, unqualified bagged fly ash is cleaned from a flue of an incinerator, a reaction tower or a flue of a cloth bag and an ash bucket, and crushing, stirring, chelating and curing treatment are carried out. The device is a special treatment device for unqualified fly ash and overhaul fly ash under the conditions.
SUMMERY OF THE UTILITY MODEL
To the technical problem, the utility model discloses an unqualified flying dust recovery processing device of msw incineration, can be convenient carry out recovery processing to unqualified flying dust, the flying dust after handling satisfies the environmental protection and detects the requirement.
To this end, the technical scheme of the utility model is that:
the utility model provides an unqualified flying dust recovery processing device of msw incineration, its is including setting up bucket elevator, receiving device, breaker, flying dust of refuse treatment factory and keeping in weighing measurement storehouse, conveying mechanism, mixing stirring device, medicament storage container, receiving device's export is connected with the feed inlet of breaker, the discharge gate of breaker is connected with the feed inlet of bucket elevator, the discharge gate of bucket elevator keeps in the entry linkage of weighing measurement storehouse with the flying dust, mixing stirring device is equipped with flying dust entry and medicament entry, the discharge gate of flying dust weighing measurement storehouse of keeping in passes through conveying mechanism and flying dust entry linkage, the export and the medicament entry intercommunication of medicament storage container. The material receiving device is used for receiving unqualified fly ash after incineration in a garbage treatment plant, such as overhaul fly ash of a garbage incinerator and the fly ash which is detected unqualified after chelation and solidification of the fly ash. The position of the bucket elevator is set according to the layout of a waste incineration plant.
By adopting the technical scheme, the fly ash and the like in the overhaul of the garbage incinerator are directly recycled on site in a garbage disposal plant, the fly ash is not additionally treated after being bagged, in addition, the unqualified fly ash detected after the chelate curing of the fly ash can also be treated at the same time, and the environment is better protected.
As a further improvement of the utility model, the medicament storage container includes chelating agent storage container and water storage container, chelating agent storage container and water storage container are connected with mixing container through the measuring pump respectively, mixing container is located the medicament and dilutes the balance, mixing container's export and the entry linkage of diluent measurement container, the export and the medicament entry linkage of diluent measurement container. Further, an outlet of the mixing container is connected with an inlet of the diluent metering container through a metering pump, and an outlet of the diluent metering container is connected with a medicament inlet through a metering pump.
As a further improvement of the present invention, the conveying mechanism is a screw conveyor.
As a further improvement of the utility model, a powder material metering scale is arranged between the conveying mechanism and the fly ash inlet. Furthermore, the powder material metering scale is provided with a vibrator and a dust removal device.
As a further improvement of the utility model, the discharge port of the crusher is connected with the feed inlet of the bucket elevator through a sealing component.
As a further improvement, the feed inlet of the crusher is connected with the outlet of the material receiving device through a flange.
As a further improvement, one side of breaker is equipped with the foundation ditch that is less than ground, the bucket elevator is located the foundation ditch, and the bucket elevator casing is installed perpendicularly, the bucket elevator is equipped with the manger plate weir around ground. Furthermore, a pit with a square shape of 2000 x 2000mm is excavated at the-2500 mm position where the bucket elevator is installed. The crusher is arranged on the ground with the height of 0 meter, the maintenance platforms are arranged on two sides of the crusher, and the material receiving port is designed and arranged according to the fly ash amount and is not more than 80 cm.
As the utility model discloses a further improvement, the pre-buried pedestal connection iron plate in foundation ditch bottom, the four sides and the bottom of foundation ditch are equipped with the concrete placement layer, and thickness is not less than 200 mm. The concrete strength reaches the national standard GB/T50107-2010, a simple ladder stand is arranged inside the foundation pit, the daily maintenance work is facilitated, and a movable cover plate is additionally arranged on the pit opening and the ground in a flush manner.
As a further improvement of the utility model, the discharge port of the mixing and stirring device is provided with a bagging machine (including a sealing machine).
As a further improvement, the bottom discharge hole of the mixing and stirring device is provided with a vibrator and a dust remover.
As the utility model discloses a further improvement, be equipped with the anticorrosive coating between mixing stirring device's casing and wear-resisting welt, upper cover and water pipe material are 304 stainless steel (pneumatics and medicament pipeline), and the sealed acid and alkali-resistance and the high temperature of needing of axle head.
As a further improvement, the utility model discloses a control box, it includes the control box, the control box includes on-the-spot control box and process system flow control module, and this process system flow control module is PLC control module, process system flow control module and bucket elevator, receiving device, breaker, flying dust are kept in metering module, the conveying mechanism of weighing and measuring storehouse, mixing stirring device, medicament dilution scale, powder weigher, each measuring pump etc. through control cable and PLC control module interconnect, with touch-sensitive screen or host computer communication back, convenient real-time display flow chart, equipment running state, alarm information etc.. An operator can perform sequential automatic operation, start-stop sequential control and the like on the equipment through a human-computer interface in the upper computer or the PLC cabinet.
Compared with the prior art, the beneficial effects of the utility model are that:
adopt the technical scheme of the utility model, can carry out recovery processing to unqualified flying dust on the spot at the msw incineration factory, the flying dust after handling satisfies the environmental protection and detects the requirement, and is further, the complete equipment can realize automated control.
Drawings
Fig. 1 is a schematic layout structure diagram of a waste incineration unqualified fly ash recycling device of the embodiment of the present invention.
Fig. 2 is a schematic structural diagram of an unqualified waste incineration fly ash recycling device of the embodiment of the present invention.
Fig. 3 is a schematic view of another angle of the waste incineration unqualified fly ash recycling device according to the embodiment of the present invention.
The reference numerals include:
1-bucket elevator, 2-receiving hopper, 3-crusher, 4-fly ash temporary storage weighing and metering bin, 5-screw conveyor, 6-mixing stirrer, 7-chelating agent storage container, 8-mixing container, 9-diluent metering container, 10-impeller feeder, 11-vibrator, 12-bagging machine, 13-dust removing device and 14-powder metering scale.
Detailed Description
Preferred embodiments of the present invention will be described in further detail with reference to the accompanying drawings.
As shown in FIGS. 1 to 3, a recycling and treating device for unqualified fly ash from waste incineration comprises a hopper lifter 1, a receiving hopper 2, a crusher 3, a fly ash temporary storage weighing and metering bin 4, a screw conveyor 5, a mixer 6, and a chemical agent storage container, the outlet of the receiving hopper 2 is connected with the feed inlet of the crusher 3 through a flange, the discharge outlet of the crusher 3 is hermetically connected with the feed inlet of the bucket elevator 1, the discharge port of the bucket elevator 1 is connected with the inlet of the fly ash temporary storage weighing and metering bin 4, the mixing stirrer 6 is provided with a fly ash inlet and a medicament inlet, the discharge hole of the fly ash temporary storage weighing and metering bin 4 is provided with an impeller feeder 10, the impeller feeder 10 is positioned above the screw conveyor 5, the fly ash is conveyed to a powder weigher 14 by a screw conveyor 5 and is discharged into a fly ash inlet of a mixer 6 after being weighed. The powder material metering scale 14 is provided with a vibrator 11 and a dust removal device 13. The outlet of the medicament storage container is in communication with the medicament inlet. The receiving hopper 2 is used for receiving unqualified fly ash burned by a garbage disposal plant, such as overhaul fly ash of a garbage incinerator and the fly ash which is detected unqualified after chelating and curing. The discharge port of the mixing and stirring machine 6 is provided with a bagging machine 12, and the bagging machine 12 is positioned on a sliding track. And a vibrator 11 is arranged at a discharge hole at the bottom of the mixing stirrer 6.
The medicament storage container includes chelating agent storage container 7 and running water source (can directly adopt the running water pipe to insert), chelating agent storage container 7 and running water source are connected with mixing container 8 through the measuring pump respectively, mixing container 8 is located the medicament and dilutes the balance, mixing container 8's export is passed through the entry linkage of measuring pump and diluent measurement container 9, the export of diluent measurement container 9 passes through measuring pump and medicament entry linkage.
The position of the bucket elevator 1 is set according to the layout of a waste incineration plant. One side of breaker 3 is equipped with the foundation ditch that is less than ground, bucket elevator 1 is located the foundation ditch, and 1 casing of bucket elevator is installed perpendicularly, bucket elevator 1 is equipped with the manger plate weir around ground. Furthermore, a pit with a square shape of 2000 x 2000mm is excavated at the mounting position of the bucket elevator 1 with the size of 2500 mm. The crusher 3 is arranged on the ground with the height of 0 meter, the maintenance platforms are arranged on two sides of the crusher, and the material receiving port is designed and arranged according to the fly ash amount and is not more than 80 cm. The foundation pit is characterized in that a base connecting iron plate is embedded at the bottom of the foundation pit, concrete pouring layers are arranged on four sides and the bottom of the foundation pit, and the thickness of the concrete pouring layers is not less than 200 mm. The concrete strength reaches the national standard GB/T50107-2010, a simple ladder stand is arranged inside the foundation pit, the daily maintenance work is facilitated, and a movable cover plate is additionally arranged on the pit opening and the ground in a flush manner.
Furthermore, an anticorrosive coating is arranged between the shell of the mixing stirrer 6 and the wear-resistant lining plate, the upper cover and the water pipe are made of 304 stainless steel, and the shaft end is sealed and needs acid and alkali resistance and high temperature.
Further, unqualified flying dust recovery processing device of msw incineration still includes the control box, the control box includes control module, control module and bucket elevator 1, connect hopper 2, breaker 3, flying dust to keep in the metering module of weighing and metering storehouse 4, screw conveyer 5, mixing stirrer 6, medicament dilution scale, powder weigher 14, the control panel isoelectrical connection of each measuring pump, be convenient for control.
In this embodiment, a fly ash treatment device is arranged on site in a garbage treatment plant, fly ash collected in the receiving hopper 2 is conveyed into the fly ash temporary storage weighing and metering bin 4 through the hopper lifter 1, fly ash in the fly ash temporary storage weighing and metering bin 4 is conveyed and discharged into the mixing and stirring machine 6 after being weighed and metered through the screw conveyor 5, after being stirred and diluted by the chelating agent and water, the dosage of the chelating agent is determined according to the material metered by the fly ash temporary storage weighing and metering bin 4, the dosing and the dosing are carried out, diluent of the chelating agent is mixed in the mixing and stirring machine 6, the mixing and stirring are carried out according to preset time, and the chelating agent and the water are directly added into the fly ash for chelating treatment.
The mixing stirrer 6 is a fly ash solidification core component, and needs to be provided with a product which is wear-resistant, corrosion-resistant, good in quality and high in market use and acceptance, an anticorrosive layer is required to be arranged between a stirrer shell and a wear-resistant lining plate, an upper cover and a water pipe are made of 304 stainless steel, and the shaft end sealing needs acid and alkali resistance and high temperature; the dosage of the chelating agent to be treated ensures that unqualified fly ash after chelating and curing treatment meets the pollution control standard of domestic garbage landfill (GB 16889-2008), the toxic leaching test method is in accordance with HJ/T300, and the concentration of harmful components in the leachate is lower than the limit value specified in Table 1.
The above-mentioned embodiments are the preferred embodiments of the present invention, and the scope of the present invention is not limited to the above-mentioned embodiments, and the scope of the present invention includes and is not limited to the above-mentioned embodiments, and all equivalent changes made according to the shape and structure of the present invention are within the protection scope of the present invention.
Claims (9)
1. The utility model provides an unqualified flying dust recovery processing device of msw incineration which characterized in that: it is including setting up bucket at refuse treatment factory and carrying machine, receiving device, breaker, flying dust and keeping in weighing measurement storehouse, conveying mechanism, mixing stirring device, medicament storage container, receiving device's export is connected with the feed inlet of breaker, the discharge gate of breaker is carried the feed inlet of machine with the bucket and is connected, the discharge gate of machine is carried to the bucket and the flying dust keeps in the entry linkage of weighing measurement storehouse, mixing stirring device is equipped with flying dust entry and medicament entry, the flying dust keeps in the discharge gate of weighing measurement storehouse and passes through conveying mechanism and flying dust entry linkage, medicament storage container's export and medicament entry intercommunication.
2. The waste incineration unqualified fly ash recycling device according to claim 1, wherein: the medicament storage container comprises a chelating agent storage container and a water storage container, wherein the chelating agent storage container and the water storage container are respectively connected with a mixing container through a metering pump, the mixing container is positioned on the medicament dilution scale, the outlet of the mixing container is connected with the inlet of the diluent metering container, and the outlet of the diluent metering container is connected with the medicament inlet.
3. The waste incineration unqualified fly ash recycling device according to claim 1, wherein: and a powder material metering scale is arranged between the conveying mechanism and the fly ash inlet.
4. The waste incineration unqualified fly ash recycling device according to claim 1, wherein: the discharge hole of the crusher is connected with the feed inlet of the bucket elevator through a sealing component.
5. The waste incineration unqualified fly ash recycling device according to claim 4, wherein: and a feed inlet of the crusher is connected with an outlet of the receiving device through a flange.
6. The waste incineration unqualified fly ash recycling device according to claim 1, wherein: one side of breaker is equipped with the foundation ditch that is less than ground, the bucket elevator is located the foundation ditch, the bucket elevator is equipped with the manger plate weir around ground.
7. The waste incineration unqualified fly ash recycling device according to claim 6, wherein: the foundation pit is characterized in that a base connecting iron plate is embedded at the bottom of the foundation pit, concrete pouring layers are arranged on four sides and the bottom of the foundation pit, and the thickness of the concrete pouring layers is not less than 200 mm.
8. The waste incineration unqualified fly ash recycling device according to claim 1, wherein: and a discharge port of the mixing and stirring device is provided with a bagging machine.
9. The waste incineration off-specification fly ash recycling device according to claim 8, characterized in that: and a vibrator is arranged at a discharge port at the bottom of the mixing and stirring device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123229464.4U CN216728748U (en) | 2021-12-21 | 2021-12-21 | Unqualified flying dust recovery processing device of msw incineration |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123229464.4U CN216728748U (en) | 2021-12-21 | 2021-12-21 | Unqualified flying dust recovery processing device of msw incineration |
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| Publication Number | Publication Date |
|---|---|
| CN216728748U true CN216728748U (en) | 2022-06-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123229464.4U Active CN216728748U (en) | 2021-12-21 | 2021-12-21 | Unqualified flying dust recovery processing device of msw incineration |
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| CN (1) | CN216728748U (en) |
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2021
- 2021-12-21 CN CN202123229464.4U patent/CN216728748U/en active Active
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