Phosphorus removal equipment for sewage treatment

Abstract

The utility model discloses dephosphorization equipment for sewage treatment, which structurally comprises a main body unit and a dephosphorization unit, the main body unit comprises a reaction tank, a cover plate is arranged at the top of the reaction tank, an annular cavity is formed in the cover plate, and a spray head is mounted at the bottom of the annular cavity; and the driving assembly comprises a fixing block, and the fixing block is fixedly connected to the cover plate. When the sewage treatment device is used, the driving assembly drives the stirring assembly to operate, so that the first stirring rod and the second stirring rod stir sewage in opposite directions, water flows in different directions are formed at different heights, phosphorus and chemicals in the sewage are more sufficiently diffused and mixed in the vertical direction, the mixing dead angles are reduced, and the mixing efficiency is improved. And different turning directions of the upper part and the lower part are beneficial to breaking the laminar flow phenomenon of sewage flowing, so that the medicament and phosphorus in the sewage can be more quickly and uniformly contacted and reacted, the mixing effect is enhanced, the medicament can be more fully reacted with the phosphorus in the sewage, the waste of the medicament is reduced, and the phosphorus removal efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to phosphorus removal equipment technical field especially, it is with phosphorus removal equipment for sewage treatment. BACKGROUND

[0002] Many sewage are produced in life, industry and so on, and many waste water contain phosphorus compound, these phosphorus-containing waste water mainly include agricultural fertilizer, phosphorus-containing detergent used in life and some specific industries. Phosphorus-containing sewage has serious influence on the environment, so it is needed to add chemical reagent such as calcium salt, iron salt and aluminum salt into sewage, make it react with phosphate, generate insoluble phosphate precipitate, to remove phosphorus element in sewage.

[0003] In the sewage phosphorus removal equipment of application No. 202320437165. X, although the utility model adopts motor, wall brush, reaction bucket, discharge gate and the mutual cooperation between wall brush, the wall inside reaction bucket is brushed through the motor driving wall brush, and the discharge gate is opened, and the deposited particles are pushed out from the discharge gate under the action of wall brush, can automatically clean the wall inside reaction bucket, avoid the deposition produced in the sewage treatment process to accumulate in the bottom of the sedimentation tank, save manual operation, save time and effort.

[0004] However, the utility model only relies on the rotation of reagent box in the reaction bucket to mix sewage and reagent, and in some dead angles in the reaction bucket or areas far away from the rotation track of the reagent box, sewage and reagent may be difficult to mix fully, further affecting the full contact of phosphorus in part of sewage and reagent, and with the progress of reaction, suspended solids, precipitates and the like in sewage may be attached to the inner wall of reagent box, further hindering the release of reagent and the mixing with sewage, reducing the mixing effect, thereby affecting the phosphorus removal effect. SUMMARY

[0005] This section aims to outline some aspects of the embodiments of the utility model and briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and the abstract of the specification and the utility model name to avoid obscuring the purpose of this section, the abstract of the specification and the utility model name. Such simplifications or omissions cannot be used to limit the scope of the utility model.

[0006] Therefore, in order to solve the above technical problems, the utility model provides the following technical scheme: a phosphorus removal equipment for sewage treatment, the phosphorus removal equipment for sewage treatment comprises:

[0007] The main unit comprises a reaction tank, a cover plate is arranged at the top of the reaction tank, an annular cavity is formed in the cover plate, and a spray head is installed at the bottom of the annular cavity.

[0008] The driving assembly comprises a fixing block fixedly connected to the cover plate, a servo motor installed on the fixing block, an output end of the servo motor connected with a rotating rod, a first bevel gear arranged at one end of the rotating rod, and a second bevel gear and a third bevel gear engaged with the surface of the first bevel gear.

[0009] The stirring assembly comprises a sleeve and a central rod, the sleeve is installed on the second bevel gear, the central rod is installed on the third bevel gear, the central rod is rotationally connected in the sleeve, the surface of the sleeve is fixed with a first stirring rod, and the surface of the central rod is fixed with a second stirring rod.

[0010] As a preferred scheme of the phosphorus removal equipment for sewage treatment, the surface of the reaction tank is fixed with a support frame, and the bottom of the support frame is fixed with a base.

[0011] As a preferred scheme of the phosphorus removal equipment for sewage treatment, the surface of the reaction tank is provided with a water inlet and a water outlet, and a one-way valve is arranged on the water outlet.

[0012] As a preferred scheme of the phosphorus removal equipment for sewage treatment, a filter screen is arranged at the connection position of the water outlet and the reaction tank.

[0013] As a preferred scheme of the phosphorus removal equipment for sewage treatment, a sewage discharge port is arranged at the bottom of the reaction tank, and a valve is arranged on the surface of the sewage discharge port.

[0014] As a preferred scheme of the phosphorus removal equipment for sewage treatment, a dosing port is arranged on the cover plate, and a dustproof cover is arranged at the top end of the dosing port.

[0015] The phosphorus removal equipment for sewage treatment has the advantages that:

[0016] When the sewage and the reagent in the reaction tank react, the driving assembly drives the stirring assembly to operate, so that the first stirring rod and the second stirring rod stir the sewage in opposite directions, different water flows are formed at different heights, the phosphorus in the sewage and the reagent are more fully diffused and mixed in the vertical direction, the mixing dead angle is reduced, and the different turning of the upper and lower parts helps to break the laminar flow phenomenon of the sewage flow, so that the reagent can more quickly and uniformly contact and react with the phosphorus in the sewage, the mixing effect is enhanced, the reagent can more fully react with the phosphorus in the sewage, the waste of the reagent is reduced, and the phosphorus removal efficiency is improved. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to more clearly illustrate the technical scheme of the embodiments of the present application, the following will briefly introduce the drawings needed to be used in the embodiment description, obviously, the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor under the premise of not deviating from the connotation of the present application. Among them:

[0018] Figure 1 It is a structure schematic view of the whole phosphorus removal equipment for sewage treatment of the present application.

[0019] Figure 2 It is a structure schematic view of the driving assembly of the phosphorus removal equipment for sewage treatment of the present application.

[0020] Figure 3 It is a structure schematic view of the stirring assembly of the phosphorus removal equipment for sewage treatment of the present application.

[0021] Figure 4 It is a structure schematic view of the reaction tank of the phosphorus removal equipment for sewage treatment of the present application.

[0022] Figure 5 It is a cross-sectional structure schematic view of the whole phosphorus removal equipment for sewage treatment of the present application.

[0023] In the figure: 100, main unit; 101, reaction tank; 1011, support frame; 1012, base; 1013, water inlet; 1014, water outlet; 1015, one-way valve; 1016, filter screen; 1017, sewage outlet; 1018, valve; 102, cover plate; 1021, dosing port; 1022, dust cover; 103, spray head;

[0024] 200, driving assembly; 201, fixed block; 202, servo motor; 203, rotating rod; 204, first bevel gear; 205, second bevel gear; 206, third bevel gear;

[0025] 300, stirring assembly; 301, sleeve; 302, center rod; 303, first stirring rod; 304, second stirring rod. DETAILED DESCRIPTION

[0026] In order to make the above-mentioned purposes, features and advantages of the present application more obvious and easy to understand, the specific embodiments of the present application will be described in detail below with reference to the drawings of the specification.

[0027] In the following description, many specific details are set forth in order to provide a thorough understanding of the present application, but the present application can also be implemented in other ways different from those described herein, and those skilled in the art can make similar generalizations without deviating from the connotation of the present application, therefore the present application is not limited by the specific embodiments disclosed below.

[0028] Secondly, the "one embodiment" or "embodiment" referred to herein means a specific feature, structure, or characteristic that can be included in at least one implementation of the present application. The "in one embodiment" appearing in different places in the specification does not mean the same embodiment, nor is it an embodiment that is independent or alternative to other embodiments.

[0029] Thirdly, the present application is described in detail in conjunction with the schematic diagram. In the detailed description of the embodiments of the present application, the cross-sectional view of the device structure is partially enlarged without the general proportion for the convenience of description, and the schematic diagram is only an example, which should not limit the scope of protection of the present application. In addition, the three-dimensional spatial dimensions of length, width and depth should be included in actual production.

[0030] Embodiment 1

[0031] Reference Figures 1-5 For the first embodiment of the present application, a phosphorus removal equipment for sewage treatment is provided, and the structure comprises:

[0032] The main unit 100 comprises a reaction tank 101, and the top of the reaction tank 101 is provided with a cover plate 102. An annular cavity is formed in the inside of the cover plate 102. A spray head 103 is installed at the bottom of the annular cavity. In the use process, the dustproof cover 1022 is conveniently removed by threads. Then the dosing port 1021 is connected to the reagent conveying pipeline. The reagent can be put into the annular cavity and sprayed out through the spray head 103. The cover plate 102 is removed to facilitate the cleaning of the inside of the reaction tank 101 and the stirring assembly 300.

[0033] The driving assembly 200 comprises a fixed block 201 fixedly connected to the cover plate 102. A servo motor 202 is installed on the fixed block 201. The output end of the servo motor 202 is connected to a rotating rod 203. One end of the rotating rod 203 is provided with a first bevel gear 204. The surface of the first bevel gear 204 is engaged with a second bevel gear 205 and a third bevel gear 206. In the use process, the servo motor 202 is started to make the rotating rod 203 rotate clockwise. Then the first bevel gear 204 is driven to rotate clockwise. At this time, the teeth of the second bevel gear 205 engaged with the surface below the first bevel gear 204 are pushed to rotate in the same direction. At the same time, the teeth of the third bevel gear 206 engaged with the surface above the first bevel gear 204 are pushed to rotate in the opposite direction. Specifically, the teeth of the first bevel gear 204 will exert a reverse torque on the teeth of the third bevel gear 206 during the engagement of the teeth, causing the third bevel gear 206 to rotate in reverse.

[0034] The stirring assembly 300 comprises a sleeve 301 and a central rod 302, the sleeve 301 is installed on the second bevel gear 205, the central rod 302 is installed on the third bevel gear 206, the central rod 302 is rotationally connected in the sleeve 301, the surface of the sleeve 301 is fixed with a first stirring rod 303, the surface of the central rod 302 is fixed with a second stirring rod 304, in the use process, the forward rotation of the second bevel gear 205 drives the sleeve 301 to rotate forward, and the reverse rotation of the third bevel gear 206 drives the central rod 302 to rotate reversely, so that the first stirring rod 303 rotates forward and the second stirring rod 304 rotates reversely, thereby the first stirring rod 303 and the second stirring rod 304 stir the sewage in the opposite directions, different directions of water flow are formed at different heights, the phosphorus in the sewage and the reagent are more fully diffused and mixed in the vertical direction, the mixing dead angle is reduced, and the different directions of the upper and lower parts help to break the laminar flow phenomenon of the sewage flow, so that the reagent can more quickly and uniformly contact and react with the phosphorus in the sewage, the mixing effect is enhanced, the reagent can more fully react with the phosphorus in the sewage, the waste of the reagent is reduced, and the phosphorus removal efficiency is improved.

[0035] Further, the surface of the reaction tank 101 is fixed with a support frame 1011, the bottom of the support frame 1011 is fixed with a base 1012, and the base 1012 and the support frame 1011 support and fix the reaction tank 101.

[0036] Further, the surface of the reaction tank 101 is provided with a water inlet 1013 and a water outlet 1014, the water outlet 1014 is provided with a one-way valve 1015, sewage can be poured into the reaction tank 101 through the water inlet 1013, the phosphorus-containing pollutants after reaction form solids and are separated from the supernatant after precipitation, and the supernatant can be discharged through the water outlet 1014 by opening the one-way valve 1015.

[0037] Further, the connection between the water outlet 1014 and the reaction tank 101 is provided with a filter screen 1016, the supernatant discharged through the water outlet 1014 can be filtered through the filter screen 1016, and the pollutants are prevented from being discharged through the water outlet 1014 with the supernatant.

[0038] Further, the bottom of the reaction tank 101 is provided with a sewage outlet 1017, the surface of the sewage outlet 1017 is provided with a valve 1018, and the valve 1018 is opened to discharge the solid pollutants such as sludge through the sewage outlet 1017.

[0039] Further, the cover plate 102 is provided with a dosing port 1021, the top end of the dosing port 1021 is provided with a dust cover 1022, the dust cover 1022 is removed, the reagent conveying pipeline is connected through the dosing port 1021, the reagent can be poured into the annular cavity, and the reagent is sprayed through the spray head 103.

[0040] In use, first, sewage is poured into the reaction tank 101 through the water inlet 1013, the dosing port 1021 is connected to the medicament delivery pipeline, the medicament is poured into the annular cavity, sprayed through the spray head 103, and then the servo motor 202 is started to rotate the rotating rod 203 clockwise, thereby driving the first bevel gear 204 to rotate clockwise, at this time, the teeth of the second bevel gear 205 meshed below the surface of the first bevel gear 204 are pushed to rotate forward in the same direction, and the teeth of the third bevel gear 206 meshed above the surface of the first bevel gear 204 are pushed to rotate reversely in the opposite direction;

[0041] Then the forward rotation of the second bevel gear 205 drives the sleeve 301 to rotate forward, and the reverse rotation of the third bevel gear 206 drives the center rod 302 to rotate reversely, so that the first stirring rod 303 rotates forward and the second stirring rod 304 rotates reversely, thereby making the first stirring rod 303 and the second stirring rod 304 stir the sewage in opposite directions, forming water flows in different directions at different heights, so that the phosphorus in the sewage and the medicament are more fully diffused and mixed in the vertical direction, reducing the mixing dead angle, and the different directions of the upper and lower parts help to break the laminar flow phenomenon of the sewage flow, so that the medicament can more quickly and uniformly contact and react with the phosphorus in the sewage, enhance the mixing effect, make the medicament more fully react with the phosphorus in the sewage, reduce the waste of the medicament, and improve the phosphorus removal efficiency;

[0042] Finally, the sewage and the medicament fully react to form supernatant and phosphate precipitate, the supernatant is discharged from the water outlet 1014 by opening the one-way valve 1015, and the filter screen 1016 filters the internal particulate matter to prevent solid pollutants from flowing out of the water outlet 1014, and after the supernatant is discharged, the valve 1018 is opened to discharge the solid pollutants from the sewage outlet 1017, and the cover plate 102 is removed to flush and clean the inside of the reaction tank 101.

[0043] It is worth noting that the entire device is controlled by the controller, and since the controller is a commonly used device and belongs to existing mature technology, the electrical connection relationship and the specific circuit structure are not described here.

[0044] It should be noted that the above embodiments are only used to illustrate the technical solutions of the present application and are not limited. Although the present application has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solutions of the present application can be modified or replaced equivalently without departing from the spirit and scope of the technical solutions of the present application, and they should be covered in the scope of the claims of the present application.

Claims

1. A phosphorus removal device for wastewater treatment, characterized in that: The utility model relates to a reaction kettle with automatic stirring function, which comprises a body unit (100) and a driving assembly (200). The body unit (100) comprises a reaction tank (101), and a cover plate (102) is arranged at the top of the reaction tank (101); an annular cavity is formed in the cover plate (102), and a shower head (103) is arranged at the bottom of the annular cavity. The driving assembly (200) comprises a fixed block (201) which is fixedly connected to the cover plate (102); a servo motor (202) is arranged on the fixed block (201); an output end of the servo motor (202) is connected to a rotating rod (203); a first bevel gear (204) is arranged at one end of the rotating rod (203); a second bevel gear (205) and a third bevel gear (206) are arranged on the surface of the first bevel gear (204). The stirring assembly (300) comprises a sleeve (301) and a central rod (302); the sleeve (301) is arranged on the second bevel gear (205); the central rod (302) is arranged on the third bevel gear (206); the central rod (302) is rotatably connected to the sleeve (301); a first stirring rod (303) is fixedly arranged on the surface of the sleeve (301); and a second stirring rod (304) is fixedly arranged on the surface of the central rod (302).

2. The phosphorus removal apparatus for sewage treatment according to claim 1, characterized by: A support frame (1011) is fixedly arranged on the surface of the reaction tank (101); and a base (1012) is fixedly arranged at the bottom of the support frame (1011).

3. The phosphorus removal apparatus for sewage treatment according to claim 1, characterized by: A water inlet (1013) and a water outlet (1014) are arranged on the surface of the reaction tank (101); and a one-way valve (1015) is arranged on the water outlet (1014).

4. The phosphorus removal apparatus for sewage treatment according to claim 3, characterized by: A filter screen (1016) is arranged at the connection between the water outlet (1014) and the reaction tank (101).

5. The phosphorus removal apparatus for sewage treatment according to claim 1, characterized by: A sewage outlet (1017) is arranged at the bottom of the reaction tank (101); and a valve (1018) is arranged on the surface of the sewage outlet (1017).

6. The phosphorus removal apparatus for sewage treatment according to claim 1, characterized by: A medicine feeding port (1021) is arranged on the cover plate (102); and a dustproof cover (1022) is arranged at the top end of the medicine feeding port (1021).

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