Photovoltaic wastewater defluorination equipment
By using heat sinks and cooling racks to cool down the photovoltaic wastewater defluorination equipment, and by improving the mixing efficiency of calcium salts and wastewater through the design of the spray pipe, the problem of temperature rise during the photovoltaic wastewater defluorination process was solved, achieving efficient defluorination and mixing effects.
Patent Information
- Application Number
- CN202423035802.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-10
- Publication Date
- 2025-11-21
- Estimated Expiration
- 2034-12-10
AI Technical Summary
In existing technologies, during the defluoridation process of photovoltaic wastewater, the heat generated by the reaction of calcium salts with fluoride ions causes the water temperature to rise, affecting the equilibrium of the precipitation reaction and reducing the defluoridation efficiency.
The system employs a heat sink and cooling rack structure, using gas to blow onto the heat sink to reduce the temperature inside the defluorination chamber. The design of the spray pipe and mixing pipe ensures that the calcium salt spraying speed is greater than the wastewater speed, thereby improving the mixing effect.
It effectively controls the reaction temperature, ensuring that photovoltaic wastewater is within a suitable temperature range, thereby improving defluorination efficiency and mixing efficiency. It has a simple structure and low cost.
Smart Images
Figure CN223576233U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to wastewater treatment technical field especially relates to a photovoltaic wastewater defluorination equipment. BACKGROUND
[0002] Photovoltaic industry produces fluorine-containing wastewater in the production process. These wastewaters mainly come from the process links of silicon wafer cleaning, etching and the like. Too high fluorine ion concentration can cause serious pollution to the environment, such as polluting soil and water body and affecting ecological balance, and meanwhile, it does not conform to the environmental protection emission standard. The defluorination methods of photovoltaic wastewater include chemical precipitation method, adsorption method and ion exchange method.
[0003] In the prior art, when defluorinating photovoltaic wastewater by using the chemical precipitation method, calcium salt is put into the wastewater to make fluorine ions combine with calcium ions to form calcium fluoride precipitate. However, in this process, the calcium fluoride precipitation reaction is an exothermic reaction. Therefore, when a small amount of photovoltaic wastewater is treated, the water temperature will rise, and the temperature rise will make the balance of the precipitation reaction move to the reverse reaction direction, which is not conducive to the formation of the precipitate. SUMMARY
[0004] The utility model mainly provides a kind of photovoltaic wastewater defluorination equipment for improving photovoltaic wastewater treatment efficiency.
[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a photovoltaic wastewater defluorination equipment, comprising a defluorination bin, a mounting groove is formed on the outer surface of the defluorination bin, a heat sink is fixedly connected inside the mounting groove, a cooling rack is arranged at the upper end of the heat sink, the number of the cooling racks is two, a middle cavity is formed inside each of the two cooling racks, a No. three connecting port is fixedly connected to the outer surface of one of the two cooling racks, the No. three connecting port is communicated with the middle cavity, the No. three connecting port is used to connect a pipeline with the output end of an air pump, the two cooling racks are fixedly connected, the end portions of the two cooling racks are fixedly connected by bolts, and the gas outlet of the middle cavity is arranged at the lower end to blow the gas to the heat sink to take away the temperature at the upper end of the heat sink. By arranging the heat sink and the cooling rack, the temperature in the defluorination bin can be taken out during the reaction, so as to cool the photovoltaic wastewater in the defluorination bin to ensure that the wastewater is at a suitable reaction temperature and ensure the defluorination efficiency of the photovoltaic wastewater. Moreover, this method has a simple structure, low cost and is easy to use.
[0006] Preferably, a support frame is fixedly connected to the lower end of the defluorination bin, a discharge port is fixedly communicated with the middle part of the lower end of the defluorination bin, the support frame is used to support the defluorination bin, and the discharge port is used to connect with a discharging mechanism. After the photovoltaic wastewater is precipitated, the precipitate and supernatant in the defluorination bin are discharged.
[0007] Preferably, the upper end of the fluorine removal bin is fixedly connected with an encapsulation cover, the upper end middle part of the encapsulation cover is fixedly connected with a driving motor, the output end of the driving motor is fixedly connected with a rotating rod penetrating through the encapsulation cover, and the rotating rod is used for driving the stirring frame to rotate to mix the photovoltaic wastewater and calcium salt in the fluorine removal bin.
[0008] Preferably, the lower middle part of the fluorine removal bin is fixedly connected with a bottom support frame, the upper end middle part of the bottom support frame is provided with a receiving groove, and the lower end of the rotating rod is rotatably connected with the receiving groove.
[0009] Preferably, the outer surface of the rotating rod is fixedly connected with a stirring frame, and the stirring frame is used for stirring and mixing the photovoltaic wastewater and calcium salt in the fluorine removal bin.
[0010] Preferably, the upper end of the encapsulation cover is fixedly connected with a first connecting port and a second connecting port, the first connecting port is used for connecting a photovoltaic wastewater pipeline, and the second connecting port is used for connecting a calcium salt conveying pipeline.
[0011] Preferably, the lower end of the encapsulation cover is fixedly connected with a material spraying pipe and a mixing pipe, one end of the mixing pipe is in communication with the second connecting port, the other end of the mixing pipe is fixedly connected with the material spraying pipe, the material spraying pipe is in communication with the first connecting port, and the pipeline caliber of the lower end of the mixing pipe is smaller than that of the second connecting port, so that the spraying speed of the calcium salt is greater than that of the photovoltaic wastewater, so that the calcium salt impacts the photovoltaic wastewater when the calcium salt and the photovoltaic wastewater are input into the fluorine removal bin, the mixing effect is better, and the mixing efficiency is improved.
[0012] Compared with the prior art, the utility model has the advantages and positive effects that,
[0013] 1、in the utility model, through the setting of the cooling fin and the cooling frame, the temperature in the fluorine removal bin can be led out during the reaction, so that the photovoltaic wastewater in the fluorine removal bin is cooled, the wastewater is kept at the appropriate reaction temperature, the defluorination efficiency of the photovoltaic wastewater is guaranteed, and the structure is simple, the cost is low, and the use is convenient.
[0014] 2、in the utility model, through the setting of the material spraying pipe and the mixing pipe, the spraying speed of the calcium salt is greater than that of the photovoltaic wastewater, so that the calcium salt impacts the photovoltaic wastewater when the calcium salt and the photovoltaic wastewater are input into the fluorine removal bin, the mixing effect is better, and the mixing efficiency is improved. DRAWINGS
[0015] Figure 1 a three-dimensional structure schematic view of a photovoltaic wastewater defluorination equipment is provided for the utility model;
[0016] Figure 2 an explosion view of a photovoltaic wastewater defluorination equipment is provided for the utility model;
[0017] Figure 3 The utility model provides a photovoltaic wastewater fluorine removal equipment Figure 2 The enlarged structure schematic diagram of A area in the middle is shown.
[0018] Figure 4 The utility model provides a photovoltaic wastewater fluorine removal equipment is shown in the three-dimensional structure schematic diagram of the packaging cover.
[0019] Legend: 1, fluorine removal bin; 2, packaging cover; 3, drive motor; 4, first connecting port; 5, second connecting port; 6, cooling frame; 7, fin; 8, support frame; 9, discharge port; 10, third connecting port; 11, bottom support frame; 12, receiving groove; 13, rotating rod; 14, stirring frame; 15, assembly groove; 16, middle cavity; 17, material spraying pipe; 18, mixing pipe. Specific implementation
[0020] In order to more clearly understand the above-mentioned purpose, features and advantages of the utility model, the utility model is further described below in conjunction with the drawings and examples.It should be noted that the examples and features in the examples of the present application can be combined with each other without conflict.
[0021] In the following description, many specific details are set forth in order to provide a thorough understanding of the utility model, however, the utility model can also be implemented in other ways different from the description herein, therefore, the utility model is not limited to the specific examples disclosed in the following description.
[0022] Please refer to Figure 1 Figure 3 The utility model provides a technical scheme: a photovoltaic wastewater fluorine removal equipment, including fluorine removal bin 1, the outer surface of fluorine removal bin 1 is equipped with assembly groove 15, the inside fixed connection of assembly groove 15 has fin 7, the upper end of fin 7 is provided with cooling frame 6, the number of cooling frame 6 is two, the inside of two cooling frames 6 is all equipped with middle cavity 16, and the outer surface of one of cooling frame 6 is fixedly connected with third connecting port 10, and third connecting port 10 communicates with middle cavity 16, and third connecting port 10 is used for connecting with the output end of air pump using pipeline, and the fixed connection between two cooling frames 6, and the end portion between two cooling frames 6 is fixedly connected by bolt, and the gas outlet of middle cavity 16 is arranged at the lower end, so that the gas is blown to fin 7, and the temperature at the upper end of fin 7 is taken out, by the setting of fin 7 and cooling frame 6, the temperature in fluorine removal bin 1 can be taken out during reaction, so that the photovoltaic wastewater in fluorine removal bin 1 is cooled, to ensure that the wastewater is at the appropriate reaction temperature, ensure the fluorine removal efficiency of photovoltaic wastewater, and the mode is simple in structure, low in cost and convenient to use.
[0023] As Figure 1 and Figure 2 As shown in the figure, the lower end of the fluoride removal bin 1 is fixedly connected with a support frame 8, and the lower end of the fluoride removal bin 1 is fixedly connected with a discharge port 9, the support frame 8 is used to support the fluoride removal bin 1, and the discharge port 9 is used to be connected with the discharge mechanism, after the photovoltaic wastewater precipitation is finished, the precipitate in the fluoride removal bin 1 and the supernatant are discharged.
[0024] As shown in the figure, Figure 1 - Figure 2 As shown in the figure, the upper end of the fluoride removal bin 1 is fixedly connected with a packaging cover 2, the upper end of the packaging cover 2 is fixedly connected with a driving motor 3, the output end of the driving motor 3 is fixedly connected with a rotating rod 13 through the packaging cover 2, the rotating rod 13 is used to drive the stirring frame 14 to rotate, and the photovoltaic wastewater and calcium salt in the fluoride removal bin 1 are mixed.
[0025] As shown in the figure, Figure 1 and Figure 2 As shown in the figure, the lower middle part of the inside of the fluoride removal bin 1 is fixedly connected with a bottom support frame 11, the upper middle part of the bottom support frame 11 is provided with a receiving groove 12, the lower end of the rotating rod 13 is rotatably connected with the receiving groove 12, and the receiving groove 12 is used to support the rotating rod 13 to ensure the stability of the rotating rod 13.
[0026] As shown in the figure, Figure 2 As shown in the figure, the outer surface of the rotating rod 13 is fixedly connected with a stirring frame 14, and the stirring frame 14 is used to stir and mix the photovoltaic wastewater and calcium salt in the fluoride removal bin 1.
[0027] As shown in the figure, Figure 1 and Figure 2 As shown in the figure, the upper end of the packaging cover 2 is fixedly connected with a first connecting port 4 and a second connecting port 5, the first connecting port 4 is used to connect the photovoltaic wastewater pipeline, and the second connecting port 5 is used to connect the calcium salt conveying pipeline.
[0028] As shown in the figure, Figure 4 As shown in the figure, the lower end of the packaging cover 2 is fixedly connected with a material spraying pipe 17 and a mixing pipe 18, one end of the mixing pipe 18 is communicated with the second connecting port 5, the other end of the mixing pipe 18 is fixedly communicated with the material spraying pipe 17, the material spraying pipe 17 is communicated with the first connecting port 4, and the pipe diameter of the lower end of the mixing pipe 18 is smaller than that of the second connecting port 5. In this way, the spraying speed of the calcium salt is greater than that of the photovoltaic wastewater, so that when the calcium salt and the photovoltaic wastewater are input into the fluoride removal bin 1, the calcium salt impacts the photovoltaic wastewater, the mixing effect is better, and the mixing efficiency is improved.
[0029] The method for using the device and the working principle are as follows: when used, the photovoltaic wastewater is input into the first connecting port 4, the calcium salt is input into the second connecting port 5, the driving motor 3 is started, the stirring frame 14 is driven to rotate until the calcium salt is fully mixed with the photovoltaic wastewater, then the rotating speed is reduced to ensure the reaction of the calcium salt and the photovoltaic wastewater, increase the precipitation speed, the gas is sprayed out of the middle cavity 16 to cool the heat dissipation fins 7, the temperature of the heat dissipation fins 7 is reduced, thereby the temperature in the fluorine removal bin 1 is reduced, the reaction efficiency of the calcium salt is ensured, after the reaction is completed, the driving motor 3 stops rotating, the precipitate is first pumped out, then the supernatant is discharged, and the cycle is used.
[0030] The above is only a preferred embodiment of the present application, and is not intended to limit the present application in other forms. Any skilled person in the art can modify or change the above disclosed technical content to equivalent embodiments applied to other fields. However, any simple modification, equivalent change and modification of the above embodiments according to the technical essence of the present application still belong to the protection scope of the technical scheme of the present application.
Claims
1. A photovoltaic wastewater defluorination apparatus, characterized in that, The application relates to a fluorine-removing bin (1), the outer surface of which is provided with an assembling groove (15), the inner surface of the assembling groove (15) is fixedly connected with a cooling fin (7), the upper end of the cooling fin (7) is provided with a cooling frame (6), the number of the cooling frames (6) is two, the inner surfaces of the two cooling frames (6) are provided with a middle-through cavity (16), the outer surface of one of the cooling frames (6) is fixedly connected with a No. 3 connecting port (10), the No. 3 connecting port (10) is communicated with the middle-through cavity (16), the No. 3 connecting port (10) is used for connecting with the output end of a gas pump through a pipeline, and the two cooling frames (6) are fixedly connected.
2. The photovoltaic defluorination device for wastewater according to claim 1, characterized in that: The lower end of the fluorine-removing bin (1) is fixedly connected with a supporting frame (8), and the lower end of the fluorine-removing bin (1) is fixedly connected with a discharging port (9) in the middle.
3. The photovoltaic defluorination device for wastewater according to claim 1, wherein: The upper end of the fluorine-removing bin (1) is fixedly connected with an encapsulating cover (2), the upper end of the encapsulating cover (2) is fixedly connected with a driving motor (3), and the output end of the driving motor (3) is fixedly connected with a rotating rod (13) penetrating through the encapsulating cover (2).
4. The photovoltaic defluorination device for wastewater according to claim 3, characterized in that: The lower middle part of the fluorine-removing bin (1) is fixedly connected with a bottom supporting frame (11), the upper middle part of the bottom supporting frame (11) is provided with a receiving groove (12), and the lower end of the rotating rod (13) is rotationally connected with the receiving groove (12).
5. The photovoltaic defluorination device for wastewater according to claim 3, wherein: The outer surface of the rotating rod (13) is fixedly connected with a stirring frame (14).
6. The photovoltaic defluorination apparatus for wastewater according to claim 3, wherein: The upper end of the encapsulating cover (2) is fixedly connected with a No. 1 connecting port (4) and a No. 2 connecting port (5).
7. The photovoltaic wastewater defluorination apparatus according to claim 6, characterized in that: The lower end of the encapsulating cover (2) is fixedly connected with a material spraying pipe (17) and a mixing pipe (18), one end of the mixing pipe (18) is communicated with the No. 2 connecting port (5), the other end of the mixing pipe (18) is fixedly communicated with the material spraying pipe (17), and the material spraying pipe (17) is communicated with the No. 1 connecting port (4).