CN219279677U - Nanoscale silicon dioxide wastewater treatment system - Google Patents
Nanoscale silicon dioxide wastewater treatment system Download PDFInfo
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- CN219279677U CN219279677U CN202223588610.7U CN202223588610U CN219279677U CN 219279677 U CN219279677 U CN 219279677U CN 202223588610 U CN202223588610 U CN 202223588610U CN 219279677 U CN219279677 U CN 219279677U
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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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
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- Treatment Of Water By Oxidation Or Reduction (AREA)
Abstract
The utility model relates to a nanoscale silicon dioxide wastewater treatment system which comprises a raw water tank, a rectifying tower, a middle water tank, an oxidation reactor, a coagulation reactor, a precipitation tank, an adjusting water tank, a biochemical treatment unit and a discharge water tank which are sequentially arranged, wherein the oxidation reactor comprises sulfuric acid and Fenton oxidation medicament, and the coagulation reactor comprises slaked lime, a coagulant and a coagulant aid. The utility model has scientific and reasonable design and easy realization, the high-concentration silicon dioxide wastewater is concentrated by the rectifying tower, the rectifying process section can concentrate the high-concentration nano-grade silicon dioxide wastewater to the greatest extent, the nano-grade silicon dioxide is ensured not to enter the subsequent section, the subsequent Fenton oxidation and coagulation precipitation process section can continuously remove the nano-grade silicon dioxide remained in the wastewater, and the wastewater after the nano-grade silicon dioxide is removed enters the biochemical treatment unit, so that the effluent of the system is ensured to reach the discharge standard.
Description
Technical Field
The utility model relates to the technical field of wastewater treatment, in particular to a nanoscale silicon dioxide wastewater treatment system.
Background
With more and more enterprises using nano-scale silicon dioxide as a production raw material, wastewater generated in the production process also contains a large amount of nano-scale silicon dioxide. The wastewater containing nano-scale silicon dioxide is extremely difficult to treat, and the traditional silicon dioxide wastewater treatment method is a chemical coagulating sedimentation method and biochemical treatment, so that the silicon dioxide in the wastewater can be effectively removed by using the method. However, when the drug is added and coagulated, the nano-scale silicon dioxide can directly form silicon dioxide sol to block equipment and pipelines, so that subsequent treatment cannot be performed. In addition, the precipitated water contains a large amount of residual nano-scale silicon dioxide, and the silicon dioxide enters a subsequent biochemical treatment unit to inhibit the growth of biological strains, so that the biochemical strains die in a large area, and the biochemical water does not reach the standard.
Disclosure of Invention
The utility model aims to solve the technical problems of high residue of the system effluent silicon dioxide, formation of silicon dioxide sol from wastewater after coagulation and chemical addition, inhibition of biochemical treatment by the residual nanoscale silicon dioxide and the like, and provides a nanoscale silicon dioxide wastewater treatment system.
The utility model is realized by the following technical scheme:
the utility model provides a nanoscale silica wastewater treatment system, includes former water pitcher, rectifying column, oxidation reactor, coagulation reactor, sedimentation tank, biochemical treatment unit and the drainage pond that sets gradually, the delivery port of former water pitcher is linked together with the water inlet of rectifying column, the delivery port of oxidation reactor is linked together with coagulation reactor, coagulation reactor's delivery port is linked together with the sedimentation tank, biochemical treatment unit's delivery port is linked together with the drainage pond.
According to the above technical scheme, preferably, an intermediate water pool is communicated between the rectifying tower and the oxidation reactor.
According to the above technical scheme, preferably, sulfuric acid and Fenton oxidation agent are included in the oxidation reactor.
According to the above technical scheme, preferably, the coagulation reactor comprises slaked lime, coagulant and coagulant aid.
According to the above technical scheme, preferably, an adjusting water tank is communicated between the sedimentation tank and the biochemical treatment unit.
According to the above technical scheme, preferably, the sedimentation tank is communicated with a sludge treatment unit.
According to the above technical scheme, preferably, the biochemical treatment unit is communicated with the sludge treatment unit.
The beneficial effects of the utility model are as follows:
the utility model has scientific and reasonable design and easy realization, the high-concentration silicon dioxide wastewater is concentrated by the rectifying tower, the rectifying process section can concentrate the high-concentration nano-grade silicon dioxide wastewater to the greatest extent, the nano-grade silicon dioxide is ensured not to enter the subsequent section, the subsequent Fenton oxidation and coagulation precipitation process section can continuously remove the nano-grade silicon dioxide remained in the wastewater, and the wastewater after the nano-grade silicon dioxide is removed enters the biochemical treatment unit, so that the effluent of the system is ensured to reach the discharge standard.
Drawings
Fig. 1 is a schematic diagram of the system connection of the present utility model.
In the figure: 1. a raw water tank; 2. a rectifying tower; 3. a middle pool; 4. an oxidation reactor; 5. a coagulation reactor; 6. a precipitation tank; 7. adjusting a pool; 8. a biochemical treatment unit; 9. discharging the pool; 10. and a sludge treatment unit.
Detailed Description
The present utility model will be described in further detail below with reference to the drawings and preferred embodiments, so that those skilled in the art can better understand the technical solutions of the present utility model. All other embodiments, based on the embodiments of the utility model, which would be apparent to one of ordinary skill in the art without making any inventive effort are intended to be within the scope of the utility model.
In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the utility model.
Furthermore, it should be noted that, in the description of the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "configured," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be directly connected, can be indirectly connected through an intermediate medium, and can also be communicated with the inside of two elements. The specific meaning of the above terms in the present utility model can be understood by those skilled in the art according to the specific circumstances.
The utility model comprises a raw water tank, a rectifying tower, an oxidation reactor, a coagulation reactor, a sedimentation tank, a biochemical treatment unit and a discharge water pool which are sequentially arranged, wherein a water outlet of the raw water tank is communicated with a water inlet of the rectifying tower, the raw water tank is communicated with the rectifying tower through a pipeline and a lifting water pump, waste water is discharged into the rectifying tower by the lifting water pump after the quality of the waste water is uniform in the raw water tank, waste water generated after rectification enters an intermediate water pool, and mother liquor generated after concentration is used as solid waste for treatment. The oxidation reactor comprises sulfuric acid and Fenton oxidation agent, so that wastewater is subjected to Fenton (Fenton) oxidation treatment in the oxidation reactor, the coagulation reactor comprises slaked lime, coagulant and coagulant aid, so that wastewater is subjected to coagulation treatment in the coagulation reactor, a water outlet of the oxidation reactor is communicated with the coagulation reactor, a water outlet of the coagulation reactor is communicated with a settling tank, and a water outlet of the biochemical treatment unit is communicated with a discharge water pool.
In the embodiment, wastewater firstly enters a raw water tank and then is discharged into a rectifying tower, the rectified wastewater is discharged into an oxidation reactor for Fenton oxidation treatment, the wastewater is oxidized and then enters a coagulation reactor for coagulation treatment, the coagulated wastewater enters a precipitation tank for mud-water separation, the precipitation supernatant is discharged into a biochemical treatment unit for biochemical treatment, and the effluent enters a discharge water tank and then reaches the standard for discharge.
Example 2 As shown in the figure, the utility model comprises a raw water tank 1, a rectifying tower 2, an intermediate water tank 3, an oxidation reactor 4, a coagulation reactor 5, a sedimentation tank 6, a regulating water tank 7, a biochemical treatment unit 8 and a discharge water tank 9 which are sequentially arranged. The water outlet of the raw water tank 1 is communicated with the water inlet of the rectifying tower 2, the raw water tank 1 is communicated with the rectifying tower 2 through a pipeline and a lifting water pump, the waste water in the raw water tank 1 is discharged into the rectifying tower 2 by the lifting water pump after the water quality is uniform, the waste water generated after rectification enters the middle water tank 3, and the mother liquor generated after concentration is used as solid waste for treatment.
An intermediate water tank 3 is communicated between the rectifying tower 2 and the oxidation reactor 4, a water outlet of the rectifying tower 2 is communicated with the intermediate water tank 3, a water outlet end of the intermediate water tank 3 is communicated with the oxidation reactor 4, and wastewater is discharged into the oxidation reactor 4 by a lifting water pump after the water quality is uniform in the intermediate water tank 3. Wherein the oxidation reactor 4 comprises sulfuric acid and Fenton oxidation agent, so that wastewater is subjected to Fenton (Fenton) oxidation treatment in the oxidation reactor 4, the coagulation reactor 5 comprises slaked lime, coagulant and coagulant aid, so that wastewater is subjected to coagulation treatment in the coagulation reactor 5, and a water outlet of the oxidation reactor 4 is communicated with the coagulation reactor 5.
The water outlet of the coagulation reactor 5 is communicated with a precipitation tank 6, and an adjusting water tank 7 is communicated between the precipitation tank 6 and a biochemical treatment unit 8, wherein the middle water tank 3 and the adjusting water tank 7 are of water tank structures and are used for enabling wastewater to be placed in the water tank structures to be uniform in water quality. The coagulated wastewater is subjected to gravity precipitation treatment in a precipitation tank 6, a supernatant water outlet of the precipitation tank 6 is communicated with a regulating water tank 7, supernatant of the precipitation tank 6 automatically flows into the regulating water tank 7, the wastewater is discharged into a biochemical treatment unit 8 by a lifting water pump after the water quality of the wastewater is uniform in the regulating water tank 7, and the biochemical treatment unit 8 is a traditional A 2 O process, the water outlet of the biochemical treatment unit 8 is connected with the water outlet of the biochemical treatment unitThe drain pool 9 is communicated.
In addition, the sedimentation tank 6 is communicated with a sludge treatment unit 10, the coagulated wastewater is subjected to gravity sedimentation treatment in the sedimentation tank 6, the wastewater and insoluble matters in water are subjected to mud-water separation in the sedimentation tank 6, and the materialized sludge accumulated at the bottom of the sedimentation tank 6 is discharged into the sludge treatment unit 10 for sludge dewatering treatment to form mud cakes. Meanwhile, the biochemical treatment unit 8 is communicated with the sludge treatment unit 10, and the biochemical treatment unit 8 is a traditional A 2 And in the O process, biochemical sludge generated by the biochemical treatment unit 8 is discharged into the sludge treatment unit 10 for sludge dewatering treatment.
In the embodiment, wastewater firstly enters a raw water tank 1 and then is discharged into a rectifying tower 2, the rectified wastewater enters an intermediate water tank 3, the wastewater is discharged into an oxidation reactor 4 by a water pump to perform Fenton oxidation treatment, the wastewater enters a coagulation reactor 5 to perform coagulation treatment after being oxidized, the coagulated wastewater enters a precipitation tank 6 to perform mud-water separation, a precipitation supernatant enters a regulating water tank 7, sludge is discharged into a sludge treatment unit 10, the wastewater in the regulating water tank 7 is discharged into a biochemical treatment unit 8 to perform biochemical treatment, effluent enters a discharge water tank 9, and then reaches the standard to be discharged, and biochemical sludge is discharged into the sludge treatment unit 10.
The foregoing is merely a preferred embodiment of the present utility model and it should be noted that modifications and adaptations to those skilled in the art may be made without departing from the principles of the present utility model, which are intended to be comprehended within the scope of the present utility model.
Claims (5)
1. The utility model provides a nanoscale silica wastewater treatment system, its characterized in that, including former water pitcher (1), rectifying column (2), oxidation reactor (4), coagulation reactor (5), sedimentation tank (6), biochemical treatment unit (8) and emission pond (9) that set gradually, the delivery port of former water pitcher (1) is linked together with the water inlet of rectifying column (2), the delivery port of oxidation reactor (4) is linked together with coagulation reactor (5), the delivery port of coagulation reactor (5) is linked together with sedimentation tank (6), the delivery port of biochemical treatment unit (8) is linked together with emission pond (9).
2. The nanoscale silica wastewater treatment system according to claim 1, wherein an intermediate water tank (3) is communicated between the rectifying tower (2) and the oxidation reactor (4).
3. The nano-scale silica wastewater treatment system according to claim 1, wherein an adjusting water tank (7) is communicated between the sedimentation tank (6) and the biochemical treatment unit (8).
4. The nano-scale silica wastewater treatment system according to claim 1, wherein the sedimentation tank (6) is communicated with a sludge treatment unit (10).
5. The nano-scale silica wastewater treatment system according to claim 4, wherein the biochemical treatment unit (8) is in communication with a sludge treatment unit (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223588610.7U CN219279677U (en) | 2022-12-30 | 2022-12-30 | Nanoscale silicon dioxide wastewater treatment system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223588610.7U CN219279677U (en) | 2022-12-30 | 2022-12-30 | Nanoscale silicon dioxide wastewater treatment system |
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| Publication Number | Publication Date |
|---|---|
| CN219279677U true CN219279677U (en) | 2023-06-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202223588610.7U Active CN219279677U (en) | 2022-12-30 | 2022-12-30 | Nanoscale silicon dioxide wastewater treatment system |
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| CN (1) | CN219279677U (en) |
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2022
- 2022-12-30 CN CN202223588610.7U patent/CN219279677U/en active Active
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