CN221296423U - Photocatalytic reactor for treating wastewater containing high-concentration chlorobenzene - Google Patents
Photocatalytic reactor for treating wastewater containing high-concentration chlorobenzene Download PDFInfo
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- CN221296423U CN221296423U CN202322949149.1U CN202322949149U CN221296423U CN 221296423 U CN221296423 U CN 221296423U CN 202322949149 U CN202322949149 U CN 202322949149U CN 221296423 U CN221296423 U CN 221296423U
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- Prior art keywords
- stirring
- rod
- photocatalytic reactor
- chlorobenzene
- reactor body
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- MVPPADPHJFYWMZ-UHFFFAOYSA-N chlorobenzene Chemical compound ClC1=CC=CC=C1 MVPPADPHJFYWMZ-UHFFFAOYSA-N 0.000 title claims abstract description 70
- 230000001699 photocatalysis Effects 0.000 title claims abstract description 54
- 239000002351 wastewater Substances 0.000 title claims abstract description 27
- 238000003756 stirring Methods 0.000 claims abstract description 71
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 35
- 238000004140 cleaning Methods 0.000 claims abstract description 28
- 230000007246 mechanism Effects 0.000 claims abstract description 14
- 238000007146 photocatalysis Methods 0.000 claims description 9
- 229910000831 Steel Inorganic materials 0.000 claims description 5
- 239000010959 steel Substances 0.000 claims description 5
- 238000007254 oxidation reaction Methods 0.000 abstract description 14
- 230000003647 oxidation Effects 0.000 abstract description 11
- 239000000126 substance Substances 0.000 abstract description 2
- 239000003054 catalyst Substances 0.000 description 16
- 230000003197 catalytic effect Effects 0.000 description 9
- 238000006243 chemical reaction Methods 0.000 description 9
- 230000000694 effects Effects 0.000 description 9
- 239000011941 photocatalyst Substances 0.000 description 9
- 239000010865 sewage Substances 0.000 description 9
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 5
- 229910052742 iron Inorganic materials 0.000 description 5
- -1 iron ions Chemical class 0.000 description 5
- 150000003839 salts Chemical class 0.000 description 5
- 239000011324 bead Substances 0.000 description 3
- 238000004090 dissolution Methods 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 230000005389 magnetism Effects 0.000 description 3
- 238000002156 mixing Methods 0.000 description 3
- 239000007800 oxidant agent Substances 0.000 description 3
- 230000001590 oxidative effect Effects 0.000 description 3
- 239000003153 chemical reaction reagent Substances 0.000 description 2
- 230000008021 deposition Effects 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000009776 industrial production Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000035484 reaction time Effects 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006555 catalytic reaction Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 150000002505 iron Chemical class 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 230000002195 synergetic effect Effects 0.000 description 1
- 238000004506 ultrasonic cleaning Methods 0.000 description 1
- 238000004065 wastewater treatment Methods 0.000 description 1
Classifications
-
- 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
- Y02W10/30—Wastewater or sewage treatment systems using renewable energies
- Y02W10/37—Wastewater or sewage treatment systems using renewable energies using solar energy
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- Catalysts (AREA)
- Treatment Of Water By Oxidation Or Reduction (AREA)
Abstract
The utility model discloses a photocatalytic reactor for treating wastewater containing high-concentration chlorobenzene, and belongs to the technical field of photocatalytic oxidation devices. The technical proposal is as follows: comprises a photocatalytic reactor body, a stirring mechanism and a lifting mechanism; the photocatalytic reactor body is provided with a water inlet, a water circulation port and a water outlet; the photocatalytic reactor comprises a photocatalytic reactor body, a U-shaped supporting frame, a supporting cross rod, limit stops and a support rod, wherein the U-shaped supporting frame is arranged on the photocatalytic reactor body in a sliding mode, and the limit stops are arranged at the top and the bottom of the U-shaped supporting frame; the stirring mechanism comprises a stirring motor and a hydraulic motor, an output shaft of the stirring motor is connected with a stirring rod, one end of the stirring rod, far away from the stirring motor, is provided with a sliding sleeve, a plurality of first connecting rods are arranged on the sliding sleeve, and one end, far away from the sliding sleeve, of the first connecting rods is provided with a second connecting rod and a first supporting rod. The utility model can realize closed cleaning under normal running state, and avoid pollution to environment caused by chemical substances such as chlorobenzene and the like during can opening cleaning.
Description
Technical Field
The utility model belongs to the technical field of photocatalytic oxidation devices, and particularly relates to a photocatalytic reactor for treating wastewater containing high-concentration chlorobenzene.
Background
The wastewater containing chlorobenzene widely exists in the industrial production process, and due to the characteristics of indissolvable property and high biotoxicity, the wastewater is difficult to reach the standard by using the conventional biological treatment process, and oxidation treatment measures are added to meet the emission standard.
The photocatalysis oxidation technology has remarkable effect on treating low-concentration chlorobenzene-containing wastewater. Organic matters such as chlorobenzene and the like in the wastewater are subjected to synergistic effect of ultraviolet light, an oxidant and a catalyst in a photocatalytic reactor, so that deep decomposition is realized. However, in industrial production, the concentration of chlorobenzene in sewage is greatly changed, when a production device is started and stopped, a large amount of accident wastewater containing high-concentration chlorobenzene is generated, and the concentration of chlorobenzene can reach 3-5 times of a design value, and exceeds the oxidation treatment capacity of wastewater treatment facilities.
Chinese patent No. CN212370006U discloses a cleaning structure of a stirring device for processing photocatalyst, comprising: including the agitator tank, the top fixedly connected with motor of agitator tank, the output fixedly connected with pivot of motor, the bottom of pivot runs through to the inside of agitator tank, the equal fixedly connected with stirring piece in bottom of pivot both sides, the left side fixedly connected with connecting rod of pivot, the left end fixedly connected with brush of connecting rod, the left side fixedly connected with water spray mechanism of agitator tank, the right side intercommunication at agitator tank top has the hopper, the bottom intercommunication on agitator tank right side has the discharging pipe. The utility model relates to a small stirring device, wherein a hairbrush can cause suspended matters and catalyst ions in sewage to deposit and adhere in a non-cleaning state, and the utility model is only suitable for cleaning the inner wall after discharging materials and is not suitable for closed cleaning in an industrial sewage running state.
Chinese patent No. CN208791243U discloses a photocatalytic sewage treatment device, comprising: comprises a photocatalysis chamber body, a stirring device, an electromagnetic conversion device, a photocatalyst purifying chamber, a magnetic nanometer photocatalyst and an ultraviolet lamp; through setting up the rotating vane that disturbs ring and activity, up-and-down motion under the push-and-pull device effect, with magnetism nanometer photocatalyst and sewage intensive mixing, improve the efficiency of photocatalysis reaction, and magnetism nanometer photocatalyst can utilize electromagnetic conversion device to retrieve fast, when the pollutant reduction catalysis effect is adsorbed on magnetism nanometer photocatalyst surface, usable electromagnetic conversion device gathers rapidly, retrieve, and get into photocatalyst clean room and carry out ultrasonic cleaning, after the cleaning is accomplished, usable electromagnetic conversion device gets into the photocatalyst room body rapidly, continue to carry out photocatalysis sewage treatment, realize automatic sewage treatment, catalyst purification, improve the convenience. The utility model is only suitable for the photocatalysis technology adopting the magnetic nano photocatalyst, when the sewage contains high-concentration chlorobenzene and ferric salt catalyst is used, the deposition attachments of the chlorobenzene and ferric salt are not affected by electromagnetism, and the effective treatment is not realized.
The existing photocatalytic reactor has the following problems: due to the indissolvable characteristic of chlorobenzene, chlorobenzene in high-concentration wastewater is precipitated into a small liquid bead form and deposited on the inner wall and corners of the reactor, so that chlorobenzene in the wastewater is deposited, photocatalytic oxidation reaction cannot be effectively performed, oxidation reaction time is prolonged, and the use amount of an oxidant and a catalyst is increased. Meanwhile, the ferric salt catalyst used in the reaction is adhered to the inner wall of the reactor along with long-time operation, so that catalyst loss is caused, and the shutdown cleaning frequency of the reaction kettle is increased. The effect of the photocatalytic oxidation is poor due to the influence of the two factors, the required reaction time is long, the usage amount of the oxidant and the catalyst is increased, and the shutdown cleaning frequency is high.
Disclosure of utility model
The utility model aims to solve the technical problems that: overcomes the defects of the prior art, solves the problems that small chlorobenzene liquid beads and catalyst iron ions are attached to the inner wall of a reactor and the oxidation treatment efficiency is low when the high-concentration chlorobenzene waste water is treated by adopting a photocatalytic oxidation process, and provides the high-concentration chlorobenzene waste water photocatalytic reactor which can clean the inner wall of the reactor and promote the dissolution effect of chlorobenzene and catalyst iron salt.
The technical scheme of the utility model is as follows:
The photocatalysis reactor for treating high concentration chlorobenzene-containing waste water includes photocatalysis reactor body, stirring mechanism and lifting mechanism; the photocatalytic reactor body is provided with a water inlet, a water circulation port and a water outlet, a water circulation pipeline is connected between the water inlet and the water circulation port, and an ultraviolet reactor is arranged on the water circulation pipeline; the photocatalytic reactor comprises a photocatalytic reactor body, wherein a U-shaped supporting frame is arranged on the photocatalytic reactor body, a lifting machine is arranged at the top of the U-shaped supporting frame, a supporting cross rod is arranged on the U-shaped supporting frame in a sliding manner, and limit stops are arranged at the top and the bottom of the U-shaped supporting frame; the stirring mechanism comprises a stirring motor and a hydraulic motor, the stirring motor and the hydraulic motor are both arranged on the supporting cross rod, and the hydraulic motor is connected with a hydraulic pipe; the output shaft of the stirring motor is connected with a stirring rod, one end of the stirring rod, which is far away from the stirring motor, is provided with a sliding sleeve, a plurality of first connecting rods are arranged on the sliding sleeve, one end of each first connecting rod, which is far away from the sliding sleeve, is provided with a second connecting rod and a first supporting rod, one end of each first supporting rod, which is far away from the first connecting rod, is connected with the bottom end of the stirring rod, one end of each second connecting rod, which is far away from the first connecting rod, is provided with a stirring impeller, and the end part of each stirring impeller is provided with a cleaning brush; the supporting cross rod is provided with a lifting frame, and the top of the lifting frame is connected with a steel rope of the elevator.
Preferably, the U-shaped support frame is provided with a slide rail, and both ends of the support cross bar are provided with slide grooves matched with the slide rail.
Preferably, the sliding sleeve is hinged with the first support rod, the first support rod is hinged with the first connecting rod, and the first connecting rod and the stirring rod are hinged with each other.
Preferably, the number of stirring impellers is 4-6.
Preferably, the water outlet is arranged at the top of the photocatalytic reactor body, and flows out of the photocatalytic reactor body in an overflow mode.
Compared with the prior art, the utility model has the following beneficial effects:
1. The photocatalysis reactor can realize closed cleaning under the normal running state, and avoids pollution to the environment caused by chemical substances such as chlorobenzene and the like during can opening cleaning; 2. the stirring mechanism can have the functions of cleaning and stirring, and in the stirring state, the first supporting rod is in a retracted state, the motor drives the stirring impeller to stir the wastewater to be treated, so that the wastewater and various chemical reagents are uniformly mixed; in a cleaning state, a hydraulic motor is started to punch the hydraulic pipe, a first supporting rod is in a supporting state, a cleaning brush at the end part of a stirring impeller is contacted with the inner wall of the reactor, the cleaning brush is driven to clean the inner wall of the reactor by the rotation of the stirring motor, so that the cleaning of attachments on the inner wall of the reactor is realized, the dissolution and mixing degree of chlorobenzene and catalyst iron ions is improved, small chlorobenzene liquid beads separated out from high-concentration wastewater are fully stirred, the attachment of chlorobenzene on the inner wall and corners of the reactor is reduced, the chlorobenzene in the wastewater is fully dissolved to participate in oxidation reaction, and the oxidation effect is improved; 3. the catalyst ferric salt adhered to the inner wall of the reactor is removed in the cleaning state, so that the shutdown cleaning times caused by ferric salt deposition are reduced while the catalyst is fully utilized, and the long-period operation of the device is ensured; 4. the elevator steel cable controls the lifting position of the stirring impeller, the sliding rail and the sliding groove are arranged to keep the stirring impeller to move vertically, the limit stop is arranged at the top and the bottom of the sliding rail, the stirring impeller is limited to move without touching the bottom wall of the reactor or exceeding the reactor, and the inner wall of the reactor is cleaned for one time or a plurality of times in a cleaning state. The purpose is to realize that insoluble matters such as chlorobenzene, catalyst iron ions and the like in the wastewater are fully dissolved in a reactor to participate in the reaction, and to improve the photocatalytic oxidation effect.
Drawings
FIG. 1 is a schematic view of the structure of the catalytic reactor of the present utility model in a stirred state.
Fig. 2 is an enlarged view of the portion a of fig. 1 according to the present utility model.
FIG. 3 is a schematic view of the catalytic reactor according to the present utility model in a washed state.
FIG. 4 is a schematic view showing the structure of the catalytic reactor according to the present utility model after lifting in the cleaning state.
In the figure, 1, a catalytic reactor body; 2. a water inlet; 3. a water circulation port; 4. a water outlet; 5. a water circulation line; 6. an ultraviolet light reactor; 7. a "U" shaped support frame; 8. a hoist; 9. a support rail; 10. a stirring motor; 11. a hydraulic motor; 12. a hydraulic pipe; 13. a stirring rod; 14. a sliding sleeve; 15. a first connecting rod; 16. a second connecting rod; 17. a first support rod; 18. a stirring impeller; 19. a cleaning brush; 20. and lifting the frame.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Example 1
As shown in fig. 1 to 4, the present embodiment provides a photocatalytic reactor for treating wastewater containing high-concentration chlorobenzene, comprising a photocatalytic reactor body 1, a stirring mechanism and a lifting mechanism;
A water inlet 2, a water circulation port 3 and a water outlet 4 are arranged on the photocatalytic reactor body, a water circulation pipeline 5 is connected between the water inlet 2 and the water circulation port 3, and an ultraviolet reactor 6 is arranged on the water circulation pipeline 5; the water outlet 4 is arranged at the top of the photocatalytic reactor body 1 and flows out of the photocatalytic reactor body 1 in an overflow mode.
The photocatalytic reactor comprises a photocatalytic reactor body, wherein a U-shaped supporting frame 7 is arranged on the photocatalytic reactor body, a lifting machine 8 is arranged at the top of the U-shaped supporting frame 7, a supporting cross rod 9 is slidably arranged on the U-shaped supporting frame 7, sliding rails are arranged on the U-shaped supporting frame 7, sliding grooves matched with the sliding rails are formed in two ends of the supporting cross rod, and limit stops are arranged at the top and the bottom of the U-shaped supporting frame 7;
The stirring mechanism comprises a stirring motor 10 and a hydraulic motor 11, wherein the stirring motor 10 and the hydraulic motor 11 are arranged on the supporting cross rod 9, and the hydraulic motor 11 is connected with a hydraulic pipe 12; the output shaft of the stirring motor 10 is connected with a stirring rod 13, the stirring rod 13 is in a vertical state, a sliding sleeve 14 is arranged at one end of the stirring rod 13 far away from the stirring motor 10, a plurality of first connecting rods 15 are arranged on the sliding sleeve 14, a second connecting rod 16 and a first supporting rod 17 are arranged at one end of the first connecting rod 15 far away from the sliding sleeve 14, one end of the first supporting rod 17 far away from the first connecting rod 15 is connected with the bottom end of the stirring rod 13, stirring impellers 18 are arranged at one end of the second connecting rod 16 far away from the first connecting rod 15, the number of stirring impellers is 6, and cleaning brushes 19 are arranged at the end parts of the stirring impellers; the sliding sleeve 14 is hinged with the first supporting rod 17, the first supporting rod 17 is hinged with the first connecting rod 15, the first connecting rod 15 and the stirring rod 13.
The supporting cross bar is provided with a lifting frame 20, and the top of the lifting frame 20 is connected with a steel rope of the lifting machine 8.
Under the stirring state, the stirring motor 10 drives the stirring impeller 18, wastewater to be treated and various chemical reagents enter from the water inlet 2 and are stirred in the catalytic reactor body 1, effluent water from the lower part of the catalytic reactor body 1 is irradiated by ultraviolet light of the ultraviolet light reactor 6, and then returns to the catalytic reactor body 1 for circulation, and treated qualified sewage is discharged from the water outlet 4.
In the cleaning state, the hydraulic motor 11 pressurizes the hydraulic pipe 12, drives the first supporting rod 17 to support, enables the first connecting rod 15 to be perpendicular to the stirring rod 13, enables the cleaning brush 19 at the end part of the stirring impeller 18 to contact the inner wall of the catalytic reactor body 1, and drives the cleaning brush 19 to clean attachments on the inner wall of the catalytic reactor body through rotation of the stirring motor 10, so that the dissolution and mixing degree of chlorobenzene and catalyst iron ions is improved. The lifting machine 8 controls the supporting cross rod 9 to ascend and descend through the steel rope, so that the lifting position of the stirring impeller 18 is adjusted, the inner wall of the reactor is cleaned for one time or a plurality of times under the cleaning state, insoluble matters such as chlorobenzene, catalyst iron ions and the like in the wastewater are fully dissolved in the reactor to participate in the reaction, and the photocatalytic oxidation effect is improved.
Although the present utility model has been described in detail by way of preferred embodiments with reference to the accompanying drawings, the present utility model is not limited thereto. Various equivalent modifications and substitutions for embodiments of the utility model may be made by those skilled in the art without departing from the spirit and scope of the utility model, and these modifications and substitutions are intended to be within the scope of the utility model. Therefore, the protection scope of the present utility model shall be subject to the protection scope of the claims.
Claims (5)
1. A photocatalysis reactor for treating wastewater containing high concentration chlorobenzene is characterized in that: comprises a photocatalytic reactor body (1), a stirring mechanism and a lifting mechanism;
A water inlet (2), a water circulation port (3) and a water outlet (4) are arranged on the photocatalytic reactor body, a water circulation pipeline (5) is connected between the water inlet (2) and the water circulation port (3), and an ultraviolet reactor (6) is arranged on the water circulation pipeline (5);
The photocatalytic reactor comprises a photocatalytic reactor body, wherein a U-shaped supporting frame (7) is arranged on the photocatalytic reactor body, a lifting machine (8) is arranged at the top of the U-shaped supporting frame (7), a supporting cross rod (9) is arranged on the U-shaped supporting frame (7) in a sliding manner, and limit stops are arranged at the top and the bottom of the U-shaped supporting frame (7);
The stirring mechanism comprises a stirring motor (10) and a hydraulic motor (11), the stirring motor (10) and the hydraulic motor (11) are both arranged on the supporting cross rod (9), and the hydraulic motor (11) is connected with a hydraulic pipe (12); the output shaft of the stirring motor (10) is connected with the stirring rod (13), one end of the stirring rod (13) far away from the stirring motor (10) is provided with a sliding sleeve (14), a plurality of first connecting rods (15) are arranged on the sliding sleeve (14), one end of the first connecting rods (15) far away from the sliding sleeve (14) is provided with a second connecting rod (16) and a first supporting rod (17), one end of the first supporting rod (17) far away from the first connecting rod (15) is connected with the bottom end of the stirring rod (13), one end of the second connecting rod (16) far away from the first connecting rod (15) is provided with a stirring impeller (18), and the end part of the stirring impeller (18) is provided with a cleaning brush (19);
The supporting cross rod is provided with a lifting frame (20), and the top of the lifting frame (20) is connected with a steel rope of the lifting machine (8).
2. The photocatalytic reactor for treating wastewater containing high concentration of chlorobenzene according to claim 1, wherein: the U-shaped supporting frame (7) is provided with a sliding rail, and two ends of the supporting cross bar are provided with sliding grooves matched with the sliding rail.
3. The photocatalytic reactor for treating wastewater containing high concentration of chlorobenzene according to claim 1, wherein: the sliding sleeve (14) is hinged with the first supporting rod (17), the first supporting rod (17) is hinged with the first connecting rod (15), and the first connecting rod (15) and the stirring rod (13).
4. The photocatalytic reactor for treating wastewater containing high concentration of chlorobenzene according to claim 1, wherein: the number of the stirring impellers (18) is 4-6.
5. The photocatalytic reactor for treating wastewater containing high concentration of chlorobenzene according to claim 1, wherein: the water outlet (4) is arranged at the top of the photocatalytic reactor body (1) and flows out of the photocatalytic reactor body (1) in an overflow mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322949149.1U CN221296423U (en) | 2023-11-01 | 2023-11-01 | Photocatalytic reactor for treating wastewater containing high-concentration chlorobenzene |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322949149.1U CN221296423U (en) | 2023-11-01 | 2023-11-01 | Photocatalytic reactor for treating wastewater containing high-concentration chlorobenzene |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221296423U true CN221296423U (en) | 2024-07-09 |
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ID=91755094
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322949149.1U Active CN221296423U (en) | 2023-11-01 | 2023-11-01 | Photocatalytic reactor for treating wastewater containing high-concentration chlorobenzene |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221296423U (en) |
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- 2023-11-01 CN CN202322949149.1U patent/CN221296423U/en active Active
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