Fluorine-containing acidic wastewater treatment device

Abstract

The utility model discloses a fluorine-containing acidic wastewater treatment device which comprises an adjusting tank, and an outlet of the adjusting tank is sequentially connected with a micro-electrolysis tank, a PH adjusting tank, a calcium agent reaction tank, a fluorine removal agent reaction tank, a flocculating agent reaction tank, a coagulant aid reaction tank, a sedimentation tank, a clean water tank and an adsorption tank. The bottom ends of the micro-electrolysis tank, the PH regulating tank, the calcium agent reaction tank, the fluorine removal agent reaction tank, the flocculating agent reaction tank and the coagulant aid reaction tank are respectively connected with an ozone aeration device; the fluorine-containing acidic wastewater treatment device has the beneficial effects that multiple purification functions on fluorine-containing acidic wastewater are realized by arranging the micro-electrolytic tank, the PH regulating tank, the calcium agent reaction tank, the fluorine removal agent reaction tank, the flocculating agent reaction tank, the coagulant aid reaction tank and the like, the wastewater treatment capacity is improved, the wastewater treatment toughness is improved, and the ozone aeration device is arranged, so that the wastewater treatment effect is improved. The whole set of device is high in purification efficiency, stable in pollutant treatment capacity and stable in effluent quality.

Description

TECHNICAL FIELD

[0001] The utility model relates to wastewater purification device technical field, concretely is a kind of fluorine-containing acid wastewater treatment device. BACKGROUND

[0002] Fluorine-containing acid wastewater appears in the production process of multiple industrial industries, these industries often use fluorine-containing raw materials or produce fluorine-containing waste in production process, such as glass manufacturing, electronic semiconductor processing, polycrystalline silicon photovoltaic processing, electroplating, metal smelting etc., such wastewater is usually high in concentration, strong in acidity, complex in composition, high in suspended solids concentration, and water quality and quantity vary greatly due to different production processes, although the commonly used precipitation method, adsorption method, ion exchange method etc. can effectively reduce the fluoride ion concentration in wastewater, but due to the change of water quality and quantity, the treatment effect is limited, and the effluent often fails to meet the strict discharge standard. SUMMARY

[0003] The utility model aims at providing a kind of fluorine-containing acid wastewater treatment device to solve the problem of limited treatment effect and unstable effluent quality in the above background technology.

[0004] To achieve the above object, the utility model provides the following technical scheme:

[0005] A kind of fluorine-containing acid wastewater treatment device, including adjusting pool, the outlet of the adjusting pool is connected in turn micro electrolytic cell, PH adjusting pool, calcium agent reaction pool, fluoride removal agent reaction pool, flocculant reaction pool, coagulant aid reaction pool, sedimentation tank, clear water tank, adsorption tank, PH adjusting pool is equipped with pH meter, and the PH adjusting pool is connected with acid pool and alkali pool respectively, and the flocculant reaction pool is connected with PAM pool, and the coagulant aid reaction pool is connected with PAC pool, and the sedimentation tank is connected with sludge pool, and the sludge pool is connected with plate and frame filter press.

[0006] Further, the micro electrolytic cell, the PH adjusting pool, the calcium agent reaction pool, the fluoride removal agent reaction pool, the flocculant reaction pool and the coagulant aid reaction pool are respectively connected with ozone aeration device.

[0007] Further, the adsorption tank is provided with bag filter, carbon filter and sand filter.

[0008] The utility model achieves the beneficial effects that: by setting micro electrolytic cell, PH adjusting pool, calcium agent reaction pool, fluoride removal agent reaction pool, flocculant reaction pool, coagulant aid reaction pool etc., multiple purification functions are realized for fluorine-containing acid wastewater, wastewater treatment capacity is improved, wastewater treatment flexibility is increased, by setting ozone aeration device, organic matter in wastewater is further removed, the whole set of device has high purification efficiency, stable pollutant treatment capacity, and stable effluent quality. BRIEF DESCRIPTION OF DRAWINGS

[0009] The accompanying drawings are used to provide further understanding of the present application, and constitute a part of the specification, and are used to explain the present application together with embodiments of the present application, and do not constitute a limitation to the present application. In the drawings:

[0010] Figure 1 is a structural schematic view of the present application;

[0011] In the drawings: 1, adjusting tank; 2, micro electrolytic cell; 3, PH adjusting tank; 4, PH meter; 5, acid tank; 6, alkali tank; 7, calcium agent reaction tank; 8, fluoride removal agent reaction tank; 9, flocculating agent reaction tank; 10, PAM tank; 11, coagulant aid reaction tank; 12, PAC tank; 13, sedimentation tank; 14, clean water tank; 15, adsorption tank; 16, sludge tank; 17, plate and frame filter press; 18, bag filter; 19, carbon filter; 20, sand filter; 21, ozone aeration device. DETAILED DESCRIPTION

[0012] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0013] Please refer to Figure 1 The present application provides a technical solution:

[0014] A fluorine-containing acid wastewater treatment device, comprising an adjusting tank 1, the outlet of the adjusting tank 1 is connected in turn with a micro electrolytic cell 2, a PH adjusting tank 3, a calcium agent reaction tank 7, a fluoride removal agent reaction tank 8, a flocculating agent reaction tank 9, a coagulant aid reaction tank 11, a sedimentation tank 13, a clean water tank 14 and an adsorption tank 15, the PH adjusting tank 3 is provided with a PH meter 4, the PH adjusting tank 3 is connected with an acid tank 5 and an alkali tank 6 respectively, the flocculating agent reaction tank 9 is connected with a PAM tank 10, the coagulant aid reaction tank 11 is connected with a PAC tank 12, the sedimentation tank 13 is connected with a sludge tank 16, and the sludge tank 16 is connected with a plate and frame filter press 17.

[0015] Further, the micro electrolytic cell 2, the PH adjusting tank 3, the calcium agent reaction tank 7, the fluoride removal agent reaction tank 8, the flocculating agent reaction tank 9 and the coagulant aid reaction tank 11 are respectively connected with an ozone aeration device 21.

[0016] Further, the adsorption tank 15 is provided with a bag filter 18, a carbon filter 19 and a sand filter 20.

[0017] Specific, using the utility model, wastewater enters the adjusting pool 1 and flows into the micro electrolytic cell 2, the wastewater treated by the micro electrolytic cell 2 flows into the adjusting pool 3, the adjusting pool 3 is equipped with PH meter 4, the adjusting pool 3 is connected with acid pool 5 and alkali pool 6 respectively, PH meter 4 is linked with acid pool 5 and alkali pool 6, the PH value of wastewater in adjusting pool 3 is adjusted to the set PH value by adding acidic reagent or alkaline reagent through acid-base neutralization, the wastewater after adjusting PH flows into calcium agent reaction pool 7, pollutants in wastewater and calcium salt occur chemical reaction, form solid precipitate, further remove pollutants in wastewater, the wastewater treated by calcium salt flows into fluoride removal reaction pool 8, fluoride removal agent further removes fluoride ion in wastewater, the wastewater treated by fluoride removal agent flows into flocculant reaction pool 9 and coagulant aid reaction pool 11 in turn, flocculant reaction pool 9 is connected with PAM pool 10, coagulant aid reaction pool 11 is connected with PAC pool 12, suspended particulate matter etc. in wastewater further polymerizes and precipitates in flocculant reaction pool 9 and coagulant aid reaction pool 11, ozone aeration device 21 is connected with micro electrolytic cell 2, PH adjusting pool 3, calcium agent reaction pool 7, fluoride removal agent reaction pool 8, flocculant reaction pool 9, coagulant aid reaction pool 11 respectively, ozone aeration device 21 generates ozone gas, respectively enters the bottom of micro electrolytic cell 2, PH adjusting pool 3, calcium agent reaction pool 7, fluoride removal agent reaction pool 8, flocculant reaction pool 9 and coagulant aid reaction pool 11 and carries out aeration, ozone aeration promotes the full mixing of wastewater in micro electrolytic cell 2, PH adjusting pool 3, calcium agent reaction pool 7, fluoride removal agent reaction pool 8, flocculant reaction pool 9 and coagulant aid reaction pool, improves processing efficiency, and ozone and organic matter in wastewater in micro electrolytic cell 2, PH adjusting pool 3, calcium agent reaction pool 7, fluoride removal agent reaction pool 8, flocculant reaction pool 9 and coagulant aid reaction pool fully react, further remove pollutants in wastewater, the wastewater treated by micro electrolytic cell 2, PH adjusting pool 3, calcium agent reaction pool 7, fluoride removal agent reaction pool 8, flocculant reaction pool 9 and coagulant aid reaction pool 11 flows into sedimentation tank 13, the wastewater treated by sedimentation tank 13 flows into clean water pool 14, the sludge of precipitation is discharged into sludge pool 16, the sludge in sludge pool 16 is discharged into plate and frame filter press 17 and is filtered, the wastewater treated in clean water pool 14 is discharged into adsorption tank, and is filtered in bag filter 18, carbon filter 19 and sand filter 20 in adsorption tank 15 in turn and is discharged into municipal pipeline.

[0018] In conclusion, the utility model discloses a plurality of purification functions to fluorine-containing acid wastewater are realized through the micro electrolytic cell, PH adjusting pool, calcium agent reaction pool, fluoride removal agent reaction pool, flocculant reaction pool, coagulant aid reaction pool etc., improve wastewater treatment capacity, increase wastewater treatment toughness, further remove organic matter in wastewater through the ozone aeration device, the whole set of device purification efficiency is high, and the pollutant treatment capacity is stable, and the effluent quality is stable.

[0019] The above merely describes a preferred embodiment of the present application, but the protection scope of the present application is not limited thereto, and any skilled person in the art, according to the technical scheme and the inventive concept of the present application, can make equivalent substitutions or changes within the technical scope disclosed by the present application, which should be covered within the protection scope of the present application.

Claims

1. A device for treating fluorine-containing acid waste water, comprising a conditioning tank (1), characterized in that: The outlet of the adjusting tank (1) is connected with a micro-electrolysis tank (2), a PH adjusting tank (3), a calcium agent reaction tank (7), a fluoride removing agent reaction tank (8), a flocculating agent reaction tank (9), a coagulant aid reaction tank (11), a sedimentation tank (13), a clear water tank (14) and an adsorption tank (15) in sequence, the PH adjusting tank (3) is provided with a PH meter (4), the PH adjusting tank (3) is connected with an acid tank (5) and an alkali tank (6) respectively, the flocculating agent reaction tank (9) is connected with a PAM tank (10), the coagulant aid reaction tank (11) is connected with a PAC tank (12), the sedimentation tank (13) is connected with a sludge tank (16), and the sludge tank (16) is connected with a plate-and-frame filter press (17).

2. The fluorine-containing acid wastewater treatment device according to claim 1, characterized in that: The micro-electrolysis tank (2), the PH adjusting tank (3), the calcium agent reaction tank (7), the fluoride removing agent reaction tank (8), the flocculating agent reaction tank (9) and the coagulant aid reaction tank (11) are respectively connected with an ozone aeration device (21).

3. The fluorine-containing acid wastewater treatment device according to claim 1, characterized in that: The adsorption tank (15) is provided with a bag filter (18), a carbon filter (19) and a sand filter (20).

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