CN219194760U - Pharmacy waste water pretreatment device - Google Patents
Pharmacy waste water pretreatment device Download PDFInfo
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- CN219194760U CN219194760U CN202320358666.9U CN202320358666U CN219194760U CN 219194760 U CN219194760 U CN 219194760U CN 202320358666 U CN202320358666 U CN 202320358666U CN 219194760 U CN219194760 U CN 219194760U
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- wastewater pretreatment
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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
Abstract
The utility model relates to a pharmaceutical wastewater pretreatment device, which comprises a wastewater pretreatment tower, an iron-carbon particle filler layer and an aeration assembly, and is technically characterized in that: the middle part of the first supporting plate for supporting the coarse-grain-diameter packing layer is provided with a cylindrical bulge, the cylindrical bulge is positioned in the middle part of the coarse-grain-diameter packing layer, and a first aeration pipeline is arranged in the cylindrical bulge, so that the area for conveying oxygen to the coarse-grain-diameter packing layer is increased, the problems of hardening and passivation of the coarse-grain-diameter packing layer are effectively prevented, the problems of hardening and passivation of the packing are solved, and the service life of the coarse-grain-diameter packing layer is prolonged; after the Fenton oxidation treatment cylinder is added, the effluent of the overflow cavity enters the Fenton oxidation treatment cylinder, the Fenton agent is added and uniformly mixed with the effluent, and the pretreatment effect on the wastewater is remarkably enhanced through Fenton oxidation combined treatment, so that the effluent COD is greatly reduced, and the post-treatment of the wastewater is facilitated.
Description
Technical Field
The utility model relates to pharmaceutical enterprise wastewater treatment equipment, in particular to a pharmaceutical wastewater pretreatment device.
Background
At present, an iron-carbon micro-electrolysis method and a Fenton oxidation method are suitable and effective pretreatment methods for high-concentration, high-chromaticity and nondegradable pharmaceutical wastewater.
The iron-carbon micro-electrolysis method is a good process for treating the wastewater by utilizing a metal corrosion principle method to form a primary cell, is also called an internal electrolysis method, an iron filings filtering method and the like, and is used for carrying out electrolytic treatment on the wastewater by utilizing a 1.2V potential difference generated by a micro-electrolysis material filled in the wastewater under the condition of no power supply so as to achieve the aim of degrading organic pollutants. However, after long-term use, the iron-carbon micro-electrolysis filler is easy to harden and passivate, and the pretreatment effect on the wastewater is affected. The Fenton oxidation method can decompose cyclic polymer organic matters in water to improve the biodegradability of the wastewater, has remarkable treatment effect on the wastewater, but has higher cost when being used independently.
Disclosure of Invention
The utility model aims to provide a pharmaceutical wastewater pretreatment device which is reasonable in structure and reliable in use, solves the problems that packing hardening and passivation are easy to occur when the traditional iron-carbon micro-electrolysis device is used for pretreatment of pharmaceutical wastewater, and is combined with a Fenton oxidation process to treat the pharmaceutical wastewater, so that the pretreatment effect is remarkably enhanced, the COD of discharged water is greatly reduced, and the post-treatment of the wastewater is facilitated.
The technical scheme of the utility model is as follows:
the utility model provides a pharmacy wastewater pretreatment device, includes wastewater pretreatment tower, iron carbon granule packing layer and aeration component, and its technical essential is: the iron-carbon particle packing layer consists of a coarse particle diameter packing layer and a fine particle diameter packing layer, a first supporting plate corresponding to the coarse particle diameter packing layer is arranged in the wastewater pretreatment tower, a cylindrical bulge with a capped upper end is arranged at the center of the first supporting plate, first water through holes are uniformly formed in the first supporting plate and the cylindrical bulge respectively, the coarse particle diameter packing layer is arranged above the first supporting plate and covers the cylindrical bulge, a second supporting plate is arranged on the upper surface of the coarse particle diameter packing layer, second water through holes are uniformly formed in the second supporting plate, a transition water cavity is supported above the second supporting plate, a water passing sieve plate is arranged at the top of the transition water cavity, the fine particle diameter packing layer is arranged above the water passing sieve plate, a third supporting plate is arranged on the upper surface of the fine particle diameter packing layer, the third support plate is uniformly provided with third water through holes, a water overflow cavity is formed between the third support plate and the top surface of the wastewater pretreatment tower, the water overflow cavity is communicated with a Fenton oxidation treatment cylinder outside the wastewater pretreatment tower through an overflow pipeline, the aeration assembly consists of a first aeration pipeline which is arranged on the inner side of a cylindrical bulge and is led out from the side wall of the wastewater pretreatment tower below the first support plate at the tail end, and a second aeration pipeline which is arranged in the Fenton oxidation treatment cylinder, the second aeration pipeline and the first aeration pipeline are respectively communicated with an aeration header pipe, a water distribution pipeline is arranged in the transition water cavity, a circulating pump is arranged in the Fenton oxidation treatment cylinder, and an outlet pipeline of the circulating pump is led out from the side wall of the Fenton oxidation treatment cylinder and passes through the side wall of the transition water cavity to be communicated with the water distribution pipeline.
The pharmaceutical wastewater pretreatment device comprises a wastewater pretreatment tower, wherein the bottom of the wastewater pretreatment tower is conical, a water inlet cavity is formed between the bottom of the tower and a first supporting plate, a water inlet communicated with the water inlet cavity is formed in the side wall of the bottom of the tower, a sludge discharge port is formed in the lower end of the bottom of the tower, a horizontal spiral propeller is connected to the sludge discharge port, and a discharge port is formed in the tail end of the horizontal spiral propeller.
According to the pharmaceutical wastewater pretreatment device, the water inlet of the wastewater pretreatment tower is connected with the water inlet buffer cavity by the pipeline, and the water inlet buffer cavity is communicated with the acid adding pipeline. The pH value of the wastewater is adjusted, the wastewater can conveniently enter a wastewater pretreatment tower for reaction treatment, the biodegradability of the wastewater is improved, the toxic action of toxic substances in the wastewater on microorganisms is effectively reduced, and favorable conditions are created for further biochemical treatment.
According to the pharmaceutical wastewater pretreatment device, the first support plate, the second support plate and the third support plate are respectively paved with the screen.
According to the pharmaceutical wastewater pretreatment device, the first aeration pipeline is L-shaped, the vertical section of the first aeration pipeline is positioned at the center of the cylindrical bulge, the upper end of the first aeration pipeline is fixed with the top surface of the cylindrical bulge, and the side wall of the wastewater pretreatment tower is led out from the tail end of the horizontal section of the first aeration pipeline and is fixed with the wastewater pretreatment tower.
Foretell pharmacy waste water pretreatment device, fenton oxidation treatment section of thick bamboo top is equipped with agitator motor, and the inside stirring rake that is connected with agitator motor that is equipped with of Fenton oxidation treatment section of thick bamboo, fenton oxidation treatment section of thick bamboo top is equipped with Fenton medicament entry in addition, and Fenton oxidation treatment section of thick bamboo lateral wall upper portion is equipped with the overflow mouth with the follow-up treatment facility intercommunication.
According to the pharmaceutical wastewater pretreatment device, the part of the outlet pipeline of the circulating pump, which is positioned at the outer side of the Fenton oxidation treatment cylinder, is provided with the flowmeter and the one-way valve.
The beneficial effects of the utility model are as follows:
1. a first backup pad middle part for supporting coarse grain diameter packing layer is equipped with the cylindric arch, and the cylindric arch is located coarse grain diameter packing layer middle part, and arranges first aeration pipeline in the cylindric arch, has increased the area that carries oxygen in to coarse grain diameter packing layer, effectively prevents that the packing of coarse grain diameter packing layer from appearing the problem of hardening, passivation, solves the problem that the packing appears hardening, passivation easily when current iron carbon micro-electrolysis device is to pharmacy wastewater pretreatment, prolongs the life of coarse grain diameter packing layer.
2. After the Fenton oxidation treatment cylinder is added, the effluent of the overflow cavity enters the Fenton oxidation treatment cylinder, the Fenton agent is added and uniformly mixed with the effluent, and the pretreatment effect on the wastewater is remarkably enhanced through Fenton oxidation combined treatment, so that the effluent COD is greatly reduced, and the post-treatment of the wastewater is facilitated.
3. A part of the water body subjected to the strengthening treatment in the Fenton oxidation treatment cylinder is drained and returned to the water distribution pipeline, then enters the transition water cavity through the water distribution pipeline and is mixed with the water body passing through the coarse-grain-diameter packing layer, and then enters the fine-grain-diameter packing layer.
Drawings
Fig. 1 is a schematic structural view of the present utility model.
In the figure: 1. the waste water pretreatment tower comprises a waste water pretreatment tower body, a water overflow cavity, a third supporting plate, a fine material diameter packing layer, a water overflow sieve plate, a water distribution pipeline, a second supporting plate, a coarse material diameter packing layer, a cylindrical bulge, a first supporting plate, a water inlet cavity, an acid adding pipeline, a water inlet buffer cavity, a water inlet and a water inlet, wherein the waste water pretreatment tower body, the water overflow cavity, the third supporting plate, the fine material diameter packing layer, the water overflow sieve plate, the water distribution pipeline, the coarse material diameter packing layer, the cylindrical bulge, the water inlet and the water inlet are sequentially arranged, the water inlet is sequentially arranged in the water inlet and the water inlet. The device comprises a horizontal spiral propeller, a first aeration pipeline, a second aeration pipeline, a main aeration pipeline, a second aeration pipeline, a circulating pump, an outlet pipeline, a flow meter, a one-way valve, an overflow pipeline, a Fenton medicament inlet, a stirring motor, an overflow port and a Fenton oxidation treatment cylinder, wherein the flow meter, the one-way valve, the overflow pipeline, the Fenton medicament inlet, the stirring motor, the overflow port and the Fenton oxidation treatment cylinder are arranged in sequence.
Detailed Description
The utility model will be described in detail with reference to the drawings.
As shown in fig. 1, the pharmaceutical wastewater pretreatment device comprises a wastewater pretreatment tower 1, an iron-carbon particle filler layer and an aeration assembly.
Wherein the iron-carbon particle packing layer consists of a coarse-diameter packing layer 8 and a fine-diameter packing layer 4. The waste water pretreatment tower 1 is internally provided with a first supporting plate 10 corresponding to the coarse grain size packing layer 8, the center of the first supporting plate 10 is provided with a cylindrical bulge 9 with the upper end capped, and the first supporting plate 10 and the cylindrical bulge 9 are respectively and uniformly provided with a first water through hole. The coarse grain diameter packing layer 8 is located above the first supporting plate 10 and covers the cylindrical protrusions 9, the second supporting plate 7 is arranged on the upper surface of the coarse grain diameter packing layer 8, and second water through holes are uniformly formed in the second supporting plate 7. The transition water cavity is supported above the second supporting plate 7, the top of the transition water cavity is provided with a water passing sieve plate 5, the fine material diameter packing layer 4 is positioned above the water passing sieve plate 5, the upper surface of the fine material diameter packing layer 4 is provided with a third supporting plate 3, and third water through holes are uniformly formed in the third supporting plate 3. Screens are respectively paved on the first supporting plate 10, the second supporting plate 7 and the third supporting plate 3.
A water overflow cavity 2 is formed between the third supporting plate 3 and the top surface of the wastewater pretreatment tower 1, and the water overflow cavity 2 is communicated with a Fenton oxidation treatment cylinder 27 outside the wastewater pretreatment tower 1 through an overflow pipeline 23. The top of the Fenton oxidation treatment cylinder 27 is provided with a stirring motor 25, the inside of the Fenton oxidation treatment cylinder 27 is provided with a stirring paddle connected with the stirring motor 25, the top of the Fenton oxidation treatment cylinder 27 is additionally provided with a Fenton medicament inlet 24, and the upper part of the side wall of the Fenton oxidation treatment cylinder 27 is provided with an overflow port 26 communicated with subsequent treatment equipment.
The aeration assembly consists of a first aeration pipeline 16 which is arranged on the inner side of the cylindrical bulge 9 and the tail end of which is led out from the side wall of the wastewater pretreatment tower 1 below the first supporting plate 10, and a second aeration pipeline 18 which is positioned in the Fenton oxidation treatment cylinder 27. The second aeration pipeline 18 and the first aeration pipeline 16 are respectively communicated with the aeration main pipe 17. The first aeration pipeline 16 is L-shaped, the vertical section of the first aeration pipeline is positioned at the center of the cylindrical bulge 9, the upper end of the first aeration pipeline is fixed with the top surface of the cylindrical bulge 9, and the tail end of the horizontal section of the first aeration pipeline is led out of the side wall of the wastewater pretreatment tower 1 and is fixed with the wastewater pretreatment tower 1.
The transition water cavity is internally provided with a water distribution pipeline 6, the Fenton oxidation treatment cylinder 27 is internally provided with a circulating pump 19, and an outlet pipeline of the circulating pump 19 is led out of the side wall of the Fenton oxidation treatment cylinder 27 and is communicated with the water distribution pipeline 6 through the side wall of the transition water cavity. The outlet pipeline 20 of the circulating pump 19 is provided with a flowmeter 21 and a one-way valve 22 at the outer side of the Fenton oxidation treatment cylinder 27.
In this embodiment, the bottom of the wastewater pretreatment tower 1 is conical, a water inlet cavity 11 is formed between the bottom of the tower and the first support plate 10, a water inlet 14 communicated with the water inlet cavity 11 is arranged on the side wall of the bottom of the tower, a sludge discharge port is arranged at the lower end of the bottom of the tower, a horizontal spiral propeller 15 is connected at the sludge discharge port, and a discharge port is arranged at the tail end of the horizontal spiral propeller 15. The water inlet 14 of the wastewater pretreatment tower 1 is connected with the water inlet buffer cavity 13 by a pipeline, and the water inlet buffer cavity 13 is further communicated with the acid adding pipeline 12. The pH value of the wastewater is adjusted, the wastewater can conveniently enter the wastewater pretreatment tower 1 for reaction treatment, the biodegradability of the wastewater is improved, the toxic action of toxic substances in the wastewater on microorganisms is effectively reduced, and favorable conditions are created for further biochemical treatment.
Working principle:
1. the pharmaceutical wastewater enters the water inlet buffer cavity 13, and the PH value is adjusted by the acid adding pipeline 12, so that the pharmaceutical wastewater is acidic.
2. The acidic wastewater enters the water inlet cavity 11 of the wastewater pretreatment tower 1, and sequentially passes through the coarse particle size packing layer 8 and the fine particle size packing layer 4 from bottom to top, iron carbon particles in the coarse particle size packing layer 8 and the fine particle size packing layer 4 form countless micro-primary cells, wherein iron with low potential is used as an anode, carbon with high potential is used as a cathode, electrochemical reaction is carried out under the acidic oxygenation condition, the structure and the characteristics of organic matters in the wastewater are changed, the organic matters are broken and open-loop, and the first pretreatment of the wastewater is realized.
3. After the water body subjected to the first pretreatment enters the Fenton oxidation treatment cylinder 27, the water body is uniformly mixed with Fenton medicaments under the action of the stirring motor 25 and the stirring paddles, so that the second pretreatment of the wastewater is realized.
4. Part of the water body subjected to the strengthening treatment of the Fenton oxidation treatment cylinder 27 is drained and returned to the water distribution pipeline 6, then enters the transition water cavity through the water distribution pipeline 6, is mixed with the water body subjected to the coarse grain size packing layer 8, and then enters the fine grain size packing layer 4, so that the water body subjected to the coarse grain size packing layer 8 is diluted due to the action of the backflow water body, and the work load of the fine grain size packing layer is reduced.
5. And (3) the water body subjected to the second pretreatment enters subsequent treatment equipment to be subjected to flocculation sedimentation treatment and the like.
The foregoing describes the embodiments of the present utility model in detail, but the description is only a preferred embodiment of the present utility model and should not be construed as limiting the scope of the utility model. All equivalent changes and modifications within the scope of the present utility model are intended to fall within the scope of the present utility model.
Claims (6)
1. The utility model provides a pharmacy wastewater pretreatment device, includes wastewater pretreatment tower, iron carbon granule packing layer and aeration component, its characterized in that: the iron-carbon particle packing layer consists of a coarse particle diameter packing layer and a fine particle diameter packing layer, a first supporting plate corresponding to the coarse particle diameter packing layer is arranged in the wastewater pretreatment tower, a cylindrical bulge with a capped upper end is arranged at the center of the first supporting plate, first water through holes are uniformly formed in the first supporting plate and the cylindrical bulge respectively, the coarse particle diameter packing layer is arranged above the first supporting plate and covers the cylindrical bulge, a second supporting plate is arranged on the upper surface of the coarse particle diameter packing layer, second water through holes are uniformly formed in the second supporting plate, a transition water cavity is supported above the second supporting plate, a water passing sieve plate is arranged at the top of the transition water cavity, the fine particle diameter packing layer is arranged above the water passing sieve plate, a third supporting plate is arranged on the upper surface of the fine particle diameter packing layer, the third support plate is uniformly provided with third water through holes, a water overflow cavity is formed between the third support plate and the top surface of the wastewater pretreatment tower, the water overflow cavity is communicated with a Fenton oxidation treatment cylinder outside the wastewater pretreatment tower through an overflow pipeline, the aeration assembly consists of a first aeration pipeline which is arranged on the inner side of a cylindrical bulge and is led out from the side wall of the wastewater pretreatment tower below the first support plate at the tail end, and a second aeration pipeline which is arranged in the Fenton oxidation treatment cylinder, the second aeration pipeline and the first aeration pipeline are respectively communicated with an aeration header pipe, a water distribution pipeline is arranged in the transition water cavity, a circulating pump is arranged in the Fenton oxidation treatment cylinder, and an outlet pipeline of the circulating pump is led out from the side wall of the Fenton oxidation treatment cylinder and passes through the side wall of the transition water cavity to be communicated with the water distribution pipeline.
2. The pharmaceutical wastewater pretreatment device according to claim 1, wherein: the bottom of the wastewater pretreatment tower is conical, a water inlet cavity is formed between the bottom of the tower and the first supporting plate, a water inlet communicated with the water inlet cavity is formed in the side wall of the bottom of the tower, a sludge discharge port is formed in the lower end of the bottom of the tower, a horizontal spiral propeller is connected to the sludge discharge port, and a discharge port is formed in the tail end of the horizontal spiral propeller.
3. The pharmaceutical wastewater pretreatment device according to claim 1, wherein: the water inlet of the wastewater pretreatment tower is connected with a water inlet buffer cavity by a pipeline, and the water inlet buffer cavity is additionally communicated with an acid adding pipeline; according to the pharmaceutical wastewater pretreatment device, the first support plate, the second support plate and the third support plate are respectively paved with the screen.
4. The pharmaceutical wastewater pretreatment device according to claim 1, wherein: the first aeration pipeline is L-shaped, the vertical section of the first aeration pipeline is positioned at the center of the cylindrical bulge, the upper end of the first aeration pipeline is fixed with the top surface of the cylindrical bulge, and the tail end of the horizontal section of the first aeration pipeline is led out of the side wall of the wastewater pretreatment tower and is fixed with the wastewater pretreatment tower.
5. The pharmaceutical wastewater pretreatment device according to claim 1, wherein: the top of the Fenton oxidation treatment cylinder is provided with a stirring motor, the inside of the Fenton oxidation treatment cylinder is provided with a stirring paddle connected with the stirring motor, the top of the Fenton oxidation treatment cylinder is additionally provided with a Fenton medicament inlet, and the upper part of the side wall of the Fenton oxidation treatment cylinder is provided with an overflow port communicated with subsequent treatment equipment.
6. The pharmaceutical wastewater pretreatment device according to claim 1, wherein: and a flowmeter and a one-way valve are arranged at the part of the outlet pipeline of the circulating pump, which is positioned at the outer side of the Fenton oxidation treatment cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320358666.9U CN219194760U (en) | 2023-03-02 | 2023-03-02 | Pharmacy waste water pretreatment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320358666.9U CN219194760U (en) | 2023-03-02 | 2023-03-02 | Pharmacy waste water pretreatment device |
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| Publication Number | Publication Date |
|---|---|
| CN219194760U true CN219194760U (en) | 2023-06-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202320358666.9U Active CN219194760U (en) | 2023-03-02 | 2023-03-02 | Pharmacy waste water pretreatment device |
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| CN (1) | CN219194760U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116655183A (en) * | 2023-07-05 | 2023-08-29 | 贵州大学 | Acid mine wastewater treatment device |
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2023
- 2023-03-02 CN CN202320358666.9U patent/CN219194760U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116655183A (en) * | 2023-07-05 | 2023-08-29 | 贵州大学 | Acid mine wastewater treatment device |
| CN116655183B (en) * | 2023-07-05 | 2024-02-27 | 贵州大学 | Acid mine wastewater treatment device |
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