CN216881008U - Fly ash cleaning and dewatering integrated device - Google Patents
Fly ash cleaning and dewatering integrated device Download PDFInfo
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- CN216881008U CN216881008U CN202220316891.1U CN202220316891U CN216881008U CN 216881008 U CN216881008 U CN 216881008U CN 202220316891 U CN202220316891 U CN 202220316891U CN 216881008 U CN216881008 U CN 216881008U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/10—Production of cement, e.g. improving or optimising the production methods; Cement grinding
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Abstract
The utility model discloses a fly ash cleaning and dewatering integrated device which comprises a cleaning chamber, a condensing chamber and a dewatering chamber, wherein an air outlet is formed in the top of the cleaning chamber, and a liquid outlet is formed in the lower portion of the side face of the cleaning chamber. And a condensing pipe connected with a pipeline at an air outlet of the cleaning chamber is arranged in the condensing chamber. The dehydration chamber is fixedly connected with a liquid outlet of the cleaning chamber. The purge chamber liquid outlet is equipped with filtering component and cuts off the subassembly, and filtering component is close to purge chamber one side, cuts off the subassembly and is close to dehydration chamber one side, and filtering component includes the support frame and fixes first electro-magnet, the filter screen on the support frame, and the inboard fixed connection of support frame and purge chamber liquid outlet cuts off the subassembly and includes second electro-magnet, the tensile component that blocks piece, switch, and the magnetism of first electro-magnet, second electro-magnet is opposite, the diameter that blocks the piece is greater than purge chamber liquid outlet diameter. Integrates acid/water washing and dehydration, simplifies the fly ash acid washing-water washing decalcification process, improves the treatment efficiency, and reduces the cost and pressure of subsequent treatment of the fly ash.
Description
Technical Field
The utility model relates to the field of incinerator treatment, in particular to a fly ash cleaning and dewatering integrated device.
Background
With the rapid development of economy, the problem of garbage disposal becomes more and more severe. At present, the mode of the largest garbage treatment amount in China is landfill, but the problems of large land occupation amount of landfill, more and more shortage of land resources and the like are prominent, so that the proportion of incineration disposal in the garbage treatment is increased year by year. The waste incineration treatment has the advantages of volume reduction, land occupation reduction, waste heat utilization, resource utilization and the like, and is widely applied.
The garbage can generate incineration fly ash in the incineration process, which mainly refers to the bottom ash settled at the bottom of a flue gas purification system and a flue and a chimney. The fly ash generated by incinerating the Municipal Solid Waste (MSWI) accounts for about 2 to 5 percent of the quality of the original waste, and along with the increasing popularity of waste incineration disposal, the yield of the fly ash generated by incinerating the waste in China is continuously improved. Since a large amount of toxic and harmful substances such as heavy metals and dioxin exist in fly ash and are included in national hazardous waste records, which are numbered HW18, it is necessary to properly dispose incineration fly ash.
At present, the disposal mode of fly ash from waste incineration in China is mainly to reduce the pollution of fly ash through cement solidification and medicament stabilization, then to carry out safe landfill, and a small part of fly ash is pretreated and then to prepare cement through cement kiln cooperative disposal. As the municipal solid waste in China contains a large amount of kitchen waste and plastic products, the content of chlorine in the fly ash is inevitably high (1% -33.9%), so that the fly ash needs to be pretreated when being applied in the aspects of cement and concrete in a large amount, otherwise, chlorine in the fly ash can influence the operation efficiency of a cement kiln, reduce the quality of the cement and influence the strength of the concrete. The pretreatment of the fly ash is mainly water washing desalination, the chlorine content in the fly ash can be removed by carrying out water washing for many times, the process consumes a large amount of energy and resources, the main components of the household garbage incineration fly ash are mostly oxides, and the high-content oxides comprise CaO and SiO2，Al2O3，Na2O and K2O, etc., wherein the content of CaO is as high as 45 percent, so the fly ash needs to be subjected to acid washing and volume reduction before water washing pretreatment so as to achieve the best treatment effect. Chinese patent publication No. CN214184532U discloses a continuous flow fly ash washing device, which adjusts the liquid-solid ratio in the mixing and conveying tank by adjusting the operation speed of the screw conveyor and the water conveyor, thereby ensuring the washing effect and realizing the saving and utilization of water resources. However, the prior fly ash water washing pretreatment does not treat a large amount of hydrochloric acid mist generated in the acid washing process, and continuous acid washing and water washing treatment is difficult to carry out because timely deacidification and dehydration cannot be carried out.
Disclosure of Invention
The utility model provides a fly ash cleaning and dewatering integrated device, aiming at overcoming the problems that a large amount of hydrochloric acid mist generated in the pickling process is not treated and continuous pickling and water washing are difficult to carry out in the prior art, and the fly ash cleaning and dewatering integrated device can recycle a large amount of hydrochloric acid mist discharged in the pickling process through a condensation reflux device, prevent environmental pollution, directly complete fly ash dewatering in a cleaning chamber, realize cleaning and dewatering integration and simplify the process.
In order to achieve the purpose, the utility model adopts the following technical scheme:
a fly ash cleaning and dewatering integrated device is characterized by comprising a cleaning chamber, a condensation chamber and a dewatering chamber, wherein the top of the cleaning chamber is provided with a feed inlet, a liquid inlet and a gas outlet, the lower part of the side surface is provided with a liquid outlet, the bottom of the cleaning chamber is provided with a discharge outlet, the cleaning chamber is also provided with a stirrer, one end of the stirrer is fixedly connected with the top of the cleaning chamber, a condensation pipe is arranged inside the condensation chamber, the condensation pipe is connected with the gas outlet pipeline of the cleaning chamber, the dewatering chamber is fixedly connected with the liquid outlet of the cleaning chamber, and one side of the dewatering chamber, away from the cleaning chamber, is provided with a vacuum pump and an evacuation port;
the purge chamber liquid outlet is equipped with filtering component and cuts off the subassembly, filtering component is close to purge chamber one side, it is close to dehydration chamber one side to cut off the subassembly, filtering component includes the first electro-magnet of support frame and switch, the inboard fixed connection of support frame and purge chamber liquid outlet, the support frame is close to purge chamber one side and is equipped with the filter screen, first electro-magnet is fixed on the support frame, cut off the subassembly including second electro-magnet, the tensile part that blocks piece, switch, the magnetism of first electro-magnet, second electro-magnet is opposite, the diameter that blocks the piece is greater than purge chamber liquid outlet diameter, tensile part one end and block piece fixed connection, the other end and dehydration chamber casing fixed connection.
In the working process of the utility model, the first electromagnet and the second electromagnet are firstly opened to be electrified to generate magnetism, and the attraction force is generated by utilizing the opposite magnetism of the first electromagnet and the second electromagnet to pull the blocking sheet to be embedded into the bottom of the support frame of the filtering device, thereby completing the separation of the cleaning chamber and the dehydration chamber. And then injecting the fly ash to be treated into the cleaning chamber through a feed inlet of the cleaning chamber, injecting cleaning liquid into the cleaning chamber through a liquid inlet of the cleaning chamber, wherein the cleaning liquid can select acid liquor or purified water according to requirements, so that the fly ash to be cleaned and the cleaning liquid fully react in the cleaning chamber, and the acid cleaning or water cleaning pretreatment of the fly ash is completed. In the reaction process, the materials are stirred by a stirrer, so that the reaction is ensured to be full. High-concentration hydrochloric acid is often needed in the fly ash pickling process, and the high-concentration hydrochloric acid is easily heated and volatilized in the reaction process to form acid mist. The acid mist can enter the condensing pipe through the air outlet of the cleaning chamber, and is condensed into acid liquid again in the condensing pipe to flow back to the cleaning chamber, so that the waste of the acid liquid and the environmental pollution are avoided.
After the cleaning is finished, the first electromagnet and the second electromagnet are closed, and after the magnetism is lost, the blocking sheet returns to the initial position due to the pulling force of the stretching component, so that the partition of the cleaning chamber and the dewatering chamber is removed. And opening a vacuum pump of the dehydration chamber, performing suction filtration on the mixed material of the fly ash and the cleaning solution, allowing the liquid to enter the dehydration chamber through the filter assembly, and discharging the liquid through an evacuation port after the suction filtration and the liquid removal are completed, so as to realize in-situ deacidification or dehydration of the material after the fly ash is cleaned. The operations of liquid feeding, cleaning and dewatering can be repeated as required, and the full pretreatment of the fly ash is realized. After all the materials are finished, opening a discharge port of the cleaning chamber, and discharging the dehydrated fly ash by utilizing the self gravity of the materials.
Preferably, the bottom of the liquid inlet is provided with a liquid inlet disc. The cleaning liquid is introduced into the cleaning chamber through the liquid inlet plate, so that the contact area of the cleaning liquid and the solid fly ash can be enlarged, the mixing speed between materials is accelerated, and the local reaction is prevented from being too violent.
Preferably, the lower surface of the liquid inlet plate is provided with a plurality of liquid inlet holes, and the diameter of each liquid inlet hole is 0.8-1.2 mm. The cleaning liquid is further dispersed through the liquid inlet holes, so that the contact area of the cleaning liquid and the solid fly ash is increased, and the mixing speed between the materials is accelerated.
Preferably, the stirrer is provided with a plurality of stirring paddles from top to bottom, and the sizes of the stirring paddles are reduced from top to bottom in sequence. Through the common stirring of a plurality of stirring rakes, ensure that whole materials can even contact reaction, avoid inside dead angle to appear. Because the cleaning liquid needs to gradually contact with the fly ash in the initial reaction stage, the stirring speed of the lower materials is not too high, so that the size of the stirring paddle is reduced from top to bottom in sequence, and the materials can be uniformly mixed.
Preferably, the bottom of the cleaning chamber is a funnel-shaped bottom surface inclined downwards. The funnel-shaped bottom surface can help the viscous materials to be better discharged out of the cleaning chamber through the discharge hole.
Preferably, the condensation pipe is a spiral pipe. The spiral pipe can increase the condensation area, so that the acid gas can be better condensed and refluxed.
Preferably, the upper part of the side surface of the condensing chamber is also provided with a condensed water inlet, and the lower part of the side surface is provided with a condensed water outlet. During the working process, condensed water is introduced into the condensing chamber, and the heat exchange between the condensed water and the acid gas is completed, so that the condensing speed of the pickling gas is increased. The flow direction of the condensed water is opposite to the flow direction of the acid gas, so that the condensation efficiency is further increased.
Preferably, a sealing ring is arranged on the side surface of the liquid outlet of the cleaning chamber. The sealing ring can prevent the mixed viscous material from leaking from a gap between the liquid outlet of the cleaning chamber and the support frame of the filtering component without being filtered and entering the dewatering chamber.
Preferably, the edge of the blocking sheet is provided with a bulge. The blocking piece is firmly sealed in the process of being attached to the filtering component through the protrusion, and leakage in the cleaning reaction process is prevented.
Preferably, the dewatering chamber is further provided with a back washing assembly, the back washing assembly comprises a water pump and a washing spray head which are connected through pipelines, the water pump is connected with a pipeline on one side of the emptying port of the dewatering chamber, the washing spray head is located between the support frame of the filtering assembly and the filter screen, and the liquid spraying direction is parallel to the surface of the filter screen. During the use, close dehydration chamber evacuation mouth for the liquid that the dehydration in-process flows in stores in the dehydration chamber, opens the water pump after the dehydration is accomplished, utilizes the liquid washing filter screen surface in the dehydration chamber, realizes the back flush to filtering component, ensures the follow-up effective operation of device.
Therefore, the utility model has the following beneficial effects: 1. acid/water washing and dehydration are integrated, and the fly ash dehydration is directly finished in a cleaning chamber by using the suction filtration principle, so that the process of re-feeding acid-washing fly ash is omitted, and the fly ash acid-water washing decalcification process is simplified; 2. a condensing chamber is designed for acid gas in the acid washing process, so that the generation of hydrochloric acid mist can be reduced, the hydrochloric acid mist can be recovered, the resource waste is reduced, and the environmental pollution is prevented; 3. aiming at the acid washing-water washing decalcification treatment of the fly ash, the treatment efficiency is improved, the reduction of the fly ash is realized, and the cost and the pressure of the subsequent treatment of the fly ash are reduced.
Drawings
FIG. 1 is a schematic diagram of an embodiment of the present invention.
FIG. 2 is a schematic diagram of one configuration of the filter assembly and backwash assembly of the present invention.
FIG. 3 is a schematic view of one construction of the partition assembly of the present invention.
In the figure: 1 cleaning chamber, 11 feed inlets, 12 liquid inlets, 121 liquid inlet discs, 13 gas outlets, 14 liquid outlets, 141 sealing rings, 15 discharge outlets, 16 stirrers, 2 condensing chambers, 21 condensing pipes, 22 condensed water inlets, 23 condensed water outlets, 3 dewatering chambers, 31 vacuum pumps, 32 emptying ports, 4 filtering components, 41 support frames, 42 first electromagnets, 43 filter screens, 5 partition components, 51 blocking sheets, 511 bulges, 52 second electromagnets, 53 stretching components, 54 power supplies, 6 backwashing components, 61 water pumps and 62 flushing nozzles.
Detailed Description
The utility model is further described with reference to the following detailed description and accompanying drawings.
Example 1
As shown in figure 1, the fly ash cleaning and dewatering integrated device comprises a cleaning chamber 1, a condensing chamber 2 and a dewatering chamber 3, wherein a feed inlet 11, a liquid inlet 12 and a gas outlet 13 are arranged at the top of the cleaning chamber, a liquid outlet 14 is arranged at the lower part of the side surface of the cleaning chamber, and a discharge outlet 15 is arranged at the bottom of the cleaning chamber. The bottom of the liquid inlet is provided with a liquid inlet disc 121, the lower surface of the liquid inlet disc is provided with a plurality of liquid inlet holes, and the diameters of the liquid inlet holes are 1.0 mm. And a sealing ring 141 is arranged on the side surface of the liquid outlet. The purge chamber still is equipped with one end and purge chamber top fixed connection's agitator 16, and the agitator is from last to being equipped with a plurality of stirring rakes down, and the size of stirring rake reduces from last to down in proper order. The bottom of the cleaning chamber is a funnel-shaped bottom surface which inclines downwards. The condensing chamber is internally provided with a condensing pipe 21 which is a spiral pipe. The condensing pipe is connected with a pipeline at an air outlet of the cleaning chamber. The upper part of the side surface of the condensation chamber is also provided with a condensed water inlet 22, and the lower part of the side surface is provided with a condensed water outlet 23. The dehydration chamber is fixedly connected with a liquid outlet of the cleaning chamber, and a vacuum pump 31 and an evacuation port 32 are arranged on one side of the dehydration chamber, which is far away from the cleaning chamber;
the purge chamber liquid outlet is equipped with filter assembly 4 and cuts off subassembly 5, filter assembly is close to purge chamber one side, it is close to dehydration chamber one side to cut off the subassembly, filter assembly includes support frame 41 and the first electro-magnet 42 of switch, the inboard fixed connection of support frame and purge chamber liquid outlet, the support frame is close to purge chamber one side and is equipped with filter screen 43, first electro-magnet is fixed on the support frame, cut off the subassembly including second electro-magnet 52, the tensile part 53 that blocks piece 51, switch, the magnetism of first electro-magnet, second electro-magnet is opposite, the diameter that blocks the piece is greater than purge chamber liquid outlet diameter, block the piece edge and be equipped with protruding 511. The stretching component is a spring, one end of the stretching component is fixedly connected with the blocking sheet, and the other end of the stretching component is fixedly connected with the dewatering chamber shell. The dewatering chamber is also provided with a back washing component 6 which comprises a water pump 61 and a washing spray head 62 which are connected through pipelines, the water pump is connected with a pipeline on one side of the emptying port of the dewatering chamber through a pipeline, the washing spray head is positioned between the support frame of the filtering component and the filter screen, and the spraying direction of liquid is parallel to the surface of the filter screen.
The working process of the utility model is as follows:
the method comprises the following steps: separate the cleaning chamber and the dewatering chamber
And turning on a power supply to enable the first electromagnet and the second electromagnet to be electrified to generate magnetism, wherein the first electromagnet is an S pole, and the second electromagnet is an N pole. According to the opposite attraction principle, attraction force is generated between the two electromagnets, so that the blocking piece is pulled to be embedded into the bottom of the support frame of the filtering component, materials in the cleaning chamber are prevented from entering the dewatering chamber, and the cleaning chamber and the dewatering chamber are separated.
Step two: fly ash acid cleaning and deacidification
Firstly, the fly ash is added into the cleaning chamber through the feed inlet of the cleaning chamber, and the hydrochloric acid is added into the cleaning chamber through the liquid inlet and the liquid inlet disc. And opening the stirrer after the materials are added, and carrying out acid washing stirring reaction for 30 min. And (3) introducing condensed water into a condensed water inlet of the condensing chamber in the reaction process, wherein the condensed water flows out from a condensed water outlet and condenses the acid gas formed in the reaction process. After the acid washing reaction is finished, deacidifying the materials, turning off the power supply, enabling the first electromagnet and the second electromagnet to lose magnetism, enabling the blocking sheet to return to the original position under the pulling of the spring, and removing the partition of the cleaning chamber and the dehydration chamber. And then, opening a vacuum pump, carrying out suction filtration and deacidification treatment on the fly ash acid-washing mixture, enabling the acid liquor to enter a dehydration chamber through a filtering assembly, and intercepting the fly ash in a cleaning chamber by a filter screen of the filtering assembly to realize solid-liquid separation. And after the suction filtration is finished, discharging the obtained acid liquor through a drain port of the dehydration chamber.
Step three: washing and dewatering fly ash
And after the fly ash is subjected to acid washing and deacidification, washing the fly ash with water. Firstly, a power supply is switched on, so that the first electromagnet and the second electromagnet are electrified to generate magnetism, the blocking sheet is pulled to be embedded into the bottom of the support frame of the filtering component, and the separation of the cleaning chamber and the dewatering chamber is realized. Then, running water is injected into the cleaning chamber through the liquid inlet and the liquid inlet plate, and the stirrer is opened to carry out the water washing reaction for 30 min. After the washing reaction is finished, the power supply is turned off when the materials are dehydrated, the first electromagnet and the second electromagnet lose magnetism, the blocking piece returns to the original position under the pulling of the spring, and the partition between the cleaning chamber and the dehydrating chamber is removed. And then, opening a vacuum pump, carrying out suction filtration and dehydration treatment on the fly ash pickling mixture, enabling liquid to enter a dehydration chamber through a filtering component, and intercepting fly ash in a cleaning chamber by a filter screen of the filtering component to realize solid-liquid separation. And after the suction filtration is finished, discharging the obtained liquid through a drain port of the dehydration chamber. This process was repeated three times and the fly ash was washed three times with water.
After the fly ash is dewatered, the filter screen of the filter assembly can be backwashed. At the moment, the emptying port of the dewatering chamber is closed, liquid is reserved in the dewatering chamber, the water pump is turned on, the liquid cleans the surface of the filter screen through the washing nozzle, small particle materials intercepted on the filter screen are washed away, and the back washing of the filter screen is completed. After the back washing is finished, the liquid is discharged through a drain port of the dehydration chamber.
Step four: discharge of fly ash
After the fly ash is subjected to acid pickling deacidification and water washing dehydration, the discharge hole of the cleaning chamber is opened, the dehydrated fly ash flows along the angle of the funnel-shaped bottom surface by utilizing the self gravity of the material, and finally the fly ash is discharged out of the device from the discharge hole.
Claims (10)
1. A fly ash cleaning and dewatering integrated device is characterized by comprising a cleaning chamber (1), a condensation chamber (2) and a dewatering chamber (3), wherein a feed inlet (11), a liquid inlet (12) and a gas outlet (13) are formed in the top of the cleaning chamber, a liquid outlet (14) is formed in the lower portion of the side surface of the cleaning chamber, a discharge outlet (15) is formed in the bottom of the cleaning chamber, a stirrer (16) with one end fixedly connected with the top of the cleaning chamber is further arranged in the cleaning chamber, a condensation pipe (21) is arranged in the condensation chamber and is connected with a pipeline of the gas outlet of the cleaning chamber, the dewatering chamber is fixedly connected with the liquid outlet of the cleaning chamber, and a vacuum pump (31) and an evacuation opening (32) are formed in one side, away from the cleaning chamber, of the dewatering chamber;
the purge chamber liquid outlet is equipped with filter assembly (4) and cuts off subassembly (5), filter assembly is close to purge chamber one side, it is close to dehydration chamber one side to cut off the subassembly, filter assembly includes first electro-magnet (42) of support frame (41) and switch, the inboard fixed connection of support frame and purge chamber liquid outlet, the support frame is close to purge chamber one side and is equipped with filter screen (43), first electro-magnet is fixed on the support frame, cut off the subassembly including second electro-magnet (52), tensile part (53) that block piece (51), switch, the magnetism of first electro-magnet, second electro-magnet is opposite, the diameter that blocks the piece is greater than purge chamber liquid outlet diameter, tensile part one end and block piece fixed connection, the other end and dehydration chamber casing fixed connection.
2. The integrated device for washing and dewatering fly ash as claimed in claim 1, wherein the bottom of the liquid inlet is provided with a liquid inlet tray (121).
3. The integrated device for cleaning and dewatering fly ash according to claim 2, wherein a plurality of liquid inlet holes are formed in the lower surface of the liquid inlet plate, and the diameter of each liquid inlet hole is 0.8-1.2 mm.
4. The integrated fly ash cleaning and dewatering device as claimed in claim 1, wherein the agitators are provided with a plurality of paddles from top to bottom, and the size of the paddles decreases from top to bottom.
5. The integrated fly ash cleaning and dewatering device as claimed in claim 1, wherein the bottom of the cleaning chamber is a funnel-shaped bottom surface inclined downwards.
6. The integrated fly ash cleaning and dewatering device of claim 1, wherein the condenser tube is a spiral tube.
7. The integrated fly ash washing and dewatering device as claimed in claim 1, wherein the upper part of the side surface of the condensing chamber is further provided with a condensed water inlet (22), and the lower part of the side surface is provided with a condensed water outlet (23).
8. The integrated fly ash cleaning and dewatering device as claimed in claim 1, wherein a sealing ring (141) is disposed at a side surface of the liquid outlet of the cleaning chamber.
9. A fly ash washing and dewatering integrated device according to claim 1, wherein the edge of the blocking sheet is provided with a protrusion (511).
10. The integrated fly ash cleaning and dewatering device according to claim 1, wherein the dewatering chamber is further provided with a back washing assembly (6), the back washing assembly comprises a water pump (61) and a washing nozzle (62) which are connected through a pipeline, the water pump is connected with a pipeline on the emptying side of the dewatering chamber, the washing nozzle is positioned between the support frame of the filtering assembly and the filter screen, and the liquid spraying direction is parallel to the surface of the filter screen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220316891.1U CN216881008U (en) | 2022-02-15 | 2022-02-15 | Fly ash cleaning and dewatering integrated device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220316891.1U CN216881008U (en) | 2022-02-15 | 2022-02-15 | Fly ash cleaning and dewatering integrated device |
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| Publication Number | Publication Date |
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| CN216881008U true CN216881008U (en) | 2022-07-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202220316891.1U Active CN216881008U (en) | 2022-02-15 | 2022-02-15 | Fly ash cleaning and dewatering integrated device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116748263A (en) * | 2023-06-06 | 2023-09-15 | 中节能兆盛环保有限公司 | Continuous mixing and solidifying device for fly ash of garbage incinerator |
-
2022
- 2022-02-15 CN CN202220316891.1U patent/CN216881008U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116748263A (en) * | 2023-06-06 | 2023-09-15 | 中节能兆盛环保有限公司 | Continuous mixing and solidifying device for fly ash of garbage incinerator |
| CN116748263B (en) * | 2023-06-06 | 2024-01-23 | 中节能兆盛环保有限公司 | Continuous mixing and solidifying device for fly ash of garbage incinerator |
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