High-concentration nitrogen and phosphorus wastewater treatment equipment

Abstract

The utility model relates to high-concentration nitrogen and phosphorus wastewater treatment equipment, which belongs to the technical field of wastewater treatment and comprises a water purification tank, a mixing mechanism is arranged on the water purification tank and comprises a motor fixedly mounted on the upper surface of the water purification tank, and a rotating shaft penetrating into the water purification tank is fixedly mounted at the output end of the motor. A plurality of stirring rods are fixedly mounted on the surface of the rotating shaft, first impellers are rotatably mounted on the surfaces of the stirring rods, connecting rods are fixedly mounted at the ends, away from the rotating shaft, of the stirring rods, second impellers are rotatably mounted on the surfaces of the connecting rods, and an air compressor is fixedly mounted at the top of the water purification tank. According to the high-concentration nitrogen and phosphorus wastewater treatment equipment, a plurality of first impellers which are transversely arranged and a plurality of second impellers which are vertically arranged are arranged in the water purification tank, so that the first impellers and the second impellers can rotate in the transverse direction and the vertical direction to stir and mix sewage and a reagent during use, and the mixing effect of the sewage and the reagent is improved.

Description

Technical Field

[0001] This utility model relates to the field of wastewater treatment technology, specifically to a high-concentration nitrogen and phosphorus wastewater treatment device. Background Technology

[0002] High-concentration nitrogen and phosphorus wastewater treatment equipment is mainly used to treat nitrogen- and phosphorus-containing wastewater generated in industrial and agricultural production. If this type of wastewater is discharged directly without treatment, it will cause serious pollution to water bodies, leading to eutrophication and affecting the ecological environment.

[0003] Announcement No. CN218841741U discloses a high-concentration nitrogen and phosphorus wastewater treatment device. The technical solution includes a treatment tank with multiple inlet and outlet pipes embedded on both sides. Two drive shafts are embedded inside the treatment tank, with stirring wheels fitted on the outer sides of each shaft. Multiple stirring rods are fixedly fitted on the outer sides of each stirring wheel. A top plate is provided on the top of the treatment tank, and a motor is mounted on the top of the top plate. A first rotating shaft is fixedly connected to the output end of the motor. A second rotating shaft is located on one side of the bottom of the first rotating shaft. The bottom ends of both the first and second rotating shafts extend to the bottom of the top plate, and fixed blocks are fixedly connected to the bottom ends of both shafts. Fixed grooves are provided on the top of both drive shafts. The beneficial effects of this invention are: it improves the efficiency of nitrogen and phosphorus wastewater treatment, and the device makes the purification and stirring of nitrogen and phosphorus wastewater more uniform, resulting in better purification effects and bringing significant benefits to the user.

[0004] The aforementioned patent addresses the shortcomings of existing wastewater mixing and purification methods, which generally use a stirring wheel to mix wastewater and reaction solvent. Because the stirring wheel is fixed in position, the mixing effect is poor and the mixing is not uniform enough. This application provides another implementation scheme to address the problems raised in the aforementioned patent. Utility Model Content

[0005] To address the shortcomings of existing technologies, this utility model provides a high-concentration nitrogen and phosphorus wastewater treatment device with the advantage of good stirring effect. It solves the problem that the existing wastewater mixing and purification methods generally use a stirring wheel to stir the wastewater and reaction solvent. Since the stirring wheel is in a fixed position, the stirring effect is not good and the stirring is not uniform enough.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a high-concentration nitrogen and phosphorus wastewater treatment device, including a water purification tank, wherein a mixing mechanism is provided on the water purification tank;

[0007] The mixing mechanism includes a motor fixedly installed on the upper surface of the water purification tank. A rotating shaft extending into the water purification tank is fixedly installed at the output end of the motor. A plurality of stirring rods are fixedly installed on the surface of the rotating shaft. A first impeller is rotatably installed on the surface of each stirring rod. A connecting rod is fixedly installed at the end of each stirring rod away from the rotating shaft. A second impeller is rotatably installed on the surface of the connecting rod. An air compressor is fixedly installed at the top of the water purification tank. A bent pipe extending into the water purification tank is fixedly installed at the air outlet end of the air compressor. An air outlet plate located inside the water purification tank is fixedly installed at one end of the bent pipe. A plurality of air outlet holes are opened on the surface of the air outlet plate.

[0008] Furthermore, a fixing bracket is fixedly installed on the surface of the motor, and the fixing bracket is fixedly connected to the upper surface of the water purification tank.

[0009] The beneficial effect of adopting the above-mentioned further solution is that setting a fixing frame helps to improve the installation stability of the motor and can prevent the motor from shaking during operation.

[0010] Furthermore, a feed pipe connected to the water tank is fixedly installed on the upper surface of the water tank, and a feed hopper connected to the feed pipe is fixedly installed on the top of the feed pipe.

[0011] The beneficial effect of adopting the above-mentioned further solution is that by setting up a feed pipe and a feed hopper, it is convenient to put the reagent into the water purification tank.

[0012] Furthermore, a limiting ring is fixedly installed on the upper surface of the inner cavity of the water purification tank, an annular groove is formed on the lower surface of the limiting ring, a limiting rod is fixedly installed on the top of the connecting rod and inserted into the annular groove, and a support rod that contacts the lower surface of the inner cavity of the water purification tank is fixedly installed on the bottom of the connecting rod.

[0013] The beneficial effect of adopting the above-mentioned further solution is that setting a limiting ring, a limiting rod, and a support rod helps to improve the stability of the stirring rod and the connecting rod when they rotate.

[0014] Furthermore, an inlet pipe and an outlet pipe connected to the water purification tank are fixedly installed on the opposite side of the water purification tank.

[0015] The beneficial effect of adopting the above-mentioned further solution is that it facilitates the introduction or discharge of wastewater into or from the water purification tank.

[0016] Furthermore, the first impeller is arranged laterally on the surface of the stirring rod, and the second impeller is arranged vertically on the surface of the connecting rod.

[0017] The beneficial effect of adopting the above-mentioned further scheme is that it facilitates the improvement of the mixing effect of sewage and reagents.

[0018] Compared with the prior art, the technical solution of this application has the following beneficial effects:

[0019] 1. This high-concentration nitrogen and phosphorus wastewater treatment equipment has multiple horizontally arranged first impellers and vertically arranged second impellers in the water purification tank. During use, the first and second impellers can rotate in the horizontal and vertical directions to stir and mix the wastewater and reagents, which helps to improve the mixing effect of wastewater and reagents.

[0020] 2. This high-concentration nitrogen and phosphorus wastewater treatment equipment uses an air compressor installed on the water purification tank. During use, air bubbles are generated inside the tank. The movement of these air bubbles effectively promotes the mixing of wastewater and reagents, enhances the contact between them, and increases the reaction rate. Attached Figure Description

[0021] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0022] Figure 2 This is a schematic diagram of the limiting ring structure of this utility model;

[0023] Figure 3 This is a schematic diagram of the air outlet plate structure of this utility model.

[0024] In the diagram: 1. Water tank; 2. Motor; 3. Shaft; 4. Stirring rod; 5. First impeller; 6. Connecting rod; 7. Second impeller; 8. Fixing frame; 9. Feed pipe; 10. Feed hopper; 11. Limiting ring; 12. Annular groove; 13. Limiting rod; 14. Support rod; 15. Water inlet pipe; 16. Water outlet pipe; 17. Air compressor; 18. Bend; 19. Air outlet plate; 20. Air outlet. Detailed Implementation

[0025] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0026] Please see Figures 1 to 3This embodiment of a high-concentration nitrogen and phosphorus wastewater treatment device includes a water purification tank 1. The water purification tank 1 is equipped with a mixing mechanism, which includes a motor 2 fixedly installed on the upper surface of the water purification tank 1. A fixing frame 8 is fixedly installed on the surface of the motor 2 and is fixedly connected to the upper surface of the water purification tank 1. The fixing frame 8 helps to improve the installation stability of the motor 2 and prevents the motor 2 from shaking during operation. A rotating shaft 3 that penetrates into the water purification tank 1 is fixedly installed at the output end of the motor 2. A plurality of stirring rods 4 are fixedly installed on the surface of the rotating shaft 3. A first impeller 5 is rotatably installed on the surface of the stirring rod 4. A connecting rod 6 is fixedly installed at the end of the stirring rod 4 away from the rotating shaft 3. A second impeller 7 is rotatably installed on the surface of the connecting rod 6. The first impeller 5 is arranged horizontally on the surface of the stirring rod 4, and the second impeller 7 is arranged vertically on the surface of the connecting rod 6, which facilitates the improvement of the mixing effect of wastewater and reagents.

[0027] An air compressor 17 is fixedly installed on the top of the water purification tank 1. A bent pipe 18 extending into the water purification tank 1 is fixedly installed at the air outlet end of the air compressor 17. An air outlet plate 19 located inside the water purification tank 1 is fixedly installed at one end of the bent pipe 18. A number of air outlet holes 20 are opened on the surface of the air outlet plate 19.

[0028] A feed pipe 9 connected to the water purification tank 1 is fixedly installed on the upper surface of the water purification tank 1. A feed hopper 10 connected to the feed pipe 9 is fixedly installed on the top of the feed pipe 9. The feed pipe 9 and the feed hopper 10 facilitate the addition of reagents into the water purification tank 1.

[0029] A limiting ring 11 is fixedly installed on the upper surface of the inner cavity of the water purification tank 1. An annular groove 12 is provided on the lower surface of the limiting ring 11. A limiting rod 13 is fixedly installed on the top of the connecting rod 6 and inserted into the annular groove 12. A support rod 14 is fixedly installed on the bottom of the connecting rod 6 and contacts the lower surface of the inner cavity of the water purification tank 1. The setting of the limiting ring 11, the limiting rod 13 and the support rod 14 helps to improve the stability of the stirring rod 4 and the connecting rod 6 when they rotate.

[0030] The surface of the water purification tank 1 opposite to the water purification tank 1 is fixedly equipped with an inlet pipe 15 and an outlet pipe 16 that are connected to the water purification tank 1, so as to facilitate the introduction or discharge of sewage into or out of the water purification tank 1.

[0031] The working principle of the above embodiments is as follows:

[0032] In use, the reagent is put into the water purification tank 1 through the feed pipe 9 and the feed hopper 10. The motor 2 is started, which drives the stirring rod 4 and the connecting rod 6 to rotate. At this time, the first impeller 5 and the second impeller 7 rotate on the surface of the stirring rod 4 and the connecting rod 6, respectively. The rotation of the first impeller 5 and the second impeller 7 can be used to tumble and mix the reagent and the sewage. The air compressor 17 is started. The air compressor 17 injects the compressed air into the water purification tank 1 through the bend pipe 18, the air outlet plate 19 and the air outlet 20, which causes bubbles to be generated inside the sewage. The bubbles can increase the reaction rate between the sewage and the reagent.

[0033] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.

[0034] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A high concentration nitrogen and phosphorus wastewater treatment equipment comprising a clean water tank (1), characterized in that: The water purification tank (1) is provided with a mixing mechanism; The mixing mechanism comprises a motor (2) fixedly installed on the upper surface of the water purification tank (1), the output end of the motor (2) is fixedly installed with a rotating shaft (3) penetrating into the water purification tank (1), a plurality of stirring rods (4) are fixedly installed on the surface of the rotating shaft (3), a first impeller (5) is rotatably installed on the surface of the stirring rod (4), a connecting rod (6) is fixedly installed on the end of the stirring rod (4) away from the rotating shaft (3), a second impeller (7) is rotatably installed on the surface of the connecting rod (6), an air compressor (17) is fixedly installed on the top of the water purification tank (1), an air outlet end of the air compressor (17) is fixedly installed with a bend pipe (18) extending into the water purification tank (1), one end of the bend pipe (18) is fixedly installed with an air outlet disc (19) located in the water purification tank (1), a plurality of air outlet holes (20) are formed in the surface of the air outlet disc (19).

2. The high-concentration nitrogen and phosphorus wastewater treatment device according to claim 1, characterized in that: The motor (2) is fixedly installed with a fixing frame (8), and the fixing frame (8) is fixedly connected with the upper surface of the water purification tank (1).

3. The high concentration nitrogen and phosphorus wastewater treatment equipment according to claim 1, characterized in that: The upper surface of the water purification tank (1) is fixedly installed with a feeding pipe (9) communicating with the water purification tank (1), and the top of the feeding pipe (9) is fixedly installed with a feeding hopper (10) communicating with the feeding pipe (9).

4. The high concentration nitrogen and phosphorus wastewater treatment device according to claim 1, characterized in that: The upper surface of the inner cavity of the water purification tank (1) is fixedly installed with a limiting ring (11), an annular groove (12) is formed in the lower surface of the limiting ring (11), the top of the connecting rod (6) is fixedly installed with a limiting rod (13) inserted into the annular groove (12), and the bottom of the connecting rod (6) is fixedly installed with a supporting rod (14) in contact with the lower surface of the inner cavity of the water purification tank (1).

5. The high concentration nitrogen and phosphorus wastewater treatment device according to claim 1, characterized in that: The opposite side surfaces of the water purification tank (1) are respectively fixedly installed with a water inlet pipe (15) and a water outlet pipe (16) communicating with the water purification tank (1).

6. The high concentration nitrogen and phosphorus wastewater treatment device according to claim 1, characterized in that: The first impeller (5) is transversely arranged on the surface of the stirring rod (4), and the second impeller (7) is vertically arranged on the surface of the connecting rod (6).

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