Integrated magnetic coagulation wastewater treatment device

Abstract

The utility model relates to the technical field of wastewater treatment, and discloses an integrated magnetic coagulation wastewater treatment device which comprises a tank body, the bottom end of the tank body is fixedly connected with a supporting frame, one side of the top of the tank body is fixedly connected with a fixing plate, one side of the top end of the tank body is fixedly communicated with a feeding pipe, and the feeding pipe is connected with a magnetic coagulation device. The stirring assembly is arranged in the tank body, a magnetic powder recycling assembly is arranged on one side of the exterior of the tank body, the stirring assembly comprises a transmission sleeve rotationally connected to the top of the tank body, and the transmission sleeve and the tank body are coaxially arranged; the effect of improving the wastewater treatment efficiency is achieved, a first stirring rod and a second stirring rod are driven to rotate in opposite directions through mutual cooperation of a first conical tooth and two second conical teeth, the mixing efficiency of wastewater and coagulant aids is improved, then flocculates attached to the surface of the inner circumferential wall of the tank body are scraped through a scraper rotating along the inner circumferential wall of the tank body, and the flocculation effect is improved. The problems that flocculates are easily attached to the inner peripheral wall of the tank body, and the overall efficiency of wastewater treatment is difficult to effectively improve are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of wastewater treatment, in particular to an integrated magnetic coagulation wastewater treatment device. Background Art

[0002] Magnetic coagulation and sedimentation technology is to add magnetic powder to the ordinary coagulation and sedimentation process, so that it can be combined with the pollutant flocculation to strengthen the coagulation and flocculation effect, making the generated flocs denser and stronger, so as to achieve the purpose of high-speed sedimentation. The magnetic powder can be recycled through the magnetic drum.

[0003] The patent with publication number CN214880431U discloses an integrated magnetic coagulation wastewater treatment device, including a stirring tank body, a magnetic drum, a liquid inlet pipe, a dosing pipe, a fixed plate, a motor, a rotating shaft, a first inclined rod, a second inclined rod, and a spiral sheet; the stirring tank body is supported by the legs at the bottom, the liquid inlet pipe and the dosing pipe are respectively connected to the two sides of the outer wall of the stirring tank body, the magnetic drum is arranged on one side of the stirring tank body, the magnetic drum is connected to the bottom of the stirring tank body through a pipeline, the fixed plate is arranged on the top of the stirring tank body, the motor is installed at the bottom of the fixed plate, the rotating shaft is located in the stirring tank body, and the rotating shaft is connected to the output shaft of the motor;

[0004] The device improves the rate of magnetic coagulation and flocculation reaction through the coordination between the staggered first inclined rods and the second inclined rods and the spiral sheets, thereby improving the efficiency of wastewater treatment.

[0005] However, the device still has the following problems: the device cooperates with the first inclined rod and the second inclined rod with different inclination angles, so that the wastewater and coagulant in the stirring tank body are divided into multiple layers of water flow to collide with each other, thereby improving the stirring and mixing effect. However, in the process of the multiple layers of water flow in the tank body colliding with each other, it is easy for the wastewater and coagulant to splash and then adhere to the surface of the inner wall of the tank body, and the surfaces of the two sets of staggered spiral blades are prone to flocculants, which makes it difficult to effectively improve the overall efficiency of wastewater treatment. Utility Model Content

[0006] 1. Technical issues to be solved

[0007] In view of the deficiencies in the prior art, the utility model provides an integrated magnetic coagulation wastewater treatment device, which solves the problem that flocculants are easily attached to the inner wall of the above-mentioned tank body, making it difficult to effectively improve the overall efficiency of wastewater treatment.

[0008] (II) Technical solution

[0009] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an integrated magnetic coagulation wastewater treatment device, comprising a tank body, the bottom end of the tank body is fixedly connected to a support frame, the top side of the tank body is fixedly connected to a fixing plate, the top side of the tank body is fixedly connected to a feed pipe, and further comprising a stirring assembly arranged inside the tank body, and a magnetic powder recovery assembly is arranged on the outside side of the tank body;

[0010] The stirring assembly includes a transmission sleeve rotatably connected to the top of the tank body, and the transmission sleeve is coaxially arranged with the tank body, and the bottom end of the transmission sleeve is fixedly connected to a plurality of evenly distributed stirring rods, and the bottom end of each of the stirring rods is fixedly connected to a stirring member, and the stirring member includes a connecting plate fixedly connected to the bottom end of the stirring rod, and one side of the outer wall of each of the connecting plates is fixedly connected to a scraper adapted to the tank body, and a slide groove is opened on one side of the scraper, and the slide groove is arranged in a triangular structure.

[0011] Preferably, a motor is fixedly connected to the top of the tank body near the fixed plate, one end of the output shaft of the motor is fixedly connected to a rotating shaft, one end of the rotating shaft is fixedly connected to a conical gear, the inner circumferential wall of the transmission sleeve is rotatably connected to a transmission rod, and the top end of the transmission rod is rotatably connected to one end of the fixed plate.

[0012] Preferably, the outer peripheral wall of the transmission sleeve of the transmission rod is fixedly connected with conical tooth 2 near the conical tooth, and conical tooth 2 is meshed with conical tooth 1. One end of the outer peripheral wall of the transmission rod is fixedly connected with a connecting ring, and one end of the connecting ring is fixedly connected with a plurality of evenly distributed stirring rods 2.

[0013] Preferably, the magnetic powder recovery assembly includes a lower hopper fixedly connected to one side of the bottom of the tank body, the bottom end of the lower hopper is fixedly connected to a discharge pipe, one end of the discharge pipe is fixedly connected to a high shear machine, and the output end of the high shear machine is fixedly connected to a magnetic drum through the discharge pipe.

[0014] Preferably, the fixing plate is arranged in an inverted L-shaped structure, the outer peripheral wall of the rotating shaft is rotatably connected to the fixing plate, and the surface of the scraper is smooth.

[0015] Preferably, the bottom end of the tank body is arranged in a funnel-shaped structure.

[0016] (III) Beneficial effects

[0017] 1. The integrated magnetic coagulation wastewater treatment device drives the stirring rod 1 and the stirring rod 2 to rotate in opposite directions through the cooperation between the conical tooth 1 and the two conical teeth 2, thereby improving the mixing efficiency between the wastewater and the coagulant aid. Then, the stirring rod 1 drives the agitator to rotate, so that the scraper rotates along the inner wall of the tank body to scrape off the flocculants attached to the surface of the inner wall of the tank body, thereby improving the overall efficiency of the device in treating wastewater.

[0018] 2. The integrated magnetic coagulation wastewater treatment device is simple to operate and ingeniously designed. The triangular chute on one side of the scraper increases the contact area between the agitator and the wastewater, thereby improving the stirring efficiency of the device. At the same time, it facilitates the flocculants to slide off the scraper surface, thereby preventing the flocculants from adhering to the scraper surface. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a schematic diagram of the three-dimensional structure of the utility model from the first viewing angle;

[0020] Figure 2 This is a schematic diagram of a half-cut three-dimensional structure of some components of the utility model;

[0021] Figure 3 This is a three-dimensional structural diagram of some stirring components of the utility model;

[0022] Figure 4 It is a schematic diagram of the three-dimensional structure of the stirring member of the utility model.

[0023] In the figure: 1. tank body; 2. support frame; 3. fixing plate; 4. motor; 41. rotating shaft; 5. conical gear 1; 6. transmission sleeve; 7. transmission rod; 8. conical gear 2; 9. lower hopper; 10. discharge pipe; 11. high shear machine; 12. magnetic drum; 13. stirring rod 1; 14. stirring element; 141. connecting plate; 142. scraper; 143. slideway; 15. connecting ring; 16. stirring rod 2; 17. feeding pipe. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] Example: Figure 1 As shown, an integrated magnetic coagulation wastewater treatment device comprises a tank body 1, the bottom end of the tank body 1 is fixedly connected to a support frame 2 by bolts, wherein the support frame 2 is made of stainless steel material by welding, the compressive resistance of the support frame 2 is improved, and the stability of the device as a whole is improved, the top side of the tank body 1 is fixedly connected to a fixing plate 3 by welding, and the fixing plate 3 is arranged in an inverted L-shaped structure, the top side of the tank body 1 is fixedly connected to a feed pipe 17, and the setting of the feed pipe 17 facilitates the injection of wastewater and coagulant aid into the tank body 1, and also comprises a stirring assembly arranged inside the tank body 1, and a magnetic powder recovery assembly is arranged on the outer side of the tank body 1;

[0026] like Figure 2 and Figure 4 As shown, in a certain embodiment, in order to prevent flocculants from adhering to the inner wall of the tank body 1, the stirring assembly includes a transmission sleeve 6 rotatably connected to the top of the tank body 1 through a bearing, and the transmission sleeve 6 is coaxially arranged with the tank body 1, and the bottom end of the transmission sleeve 6 is fixedly connected to a plurality of evenly distributed stirring rods 13, wherein the transmission sleeve 6 plays a role in driving the stirring rod 13 to rotate, and the bottom end of each stirring rod 13 is fixedly connected to a stirring member 14, wherein the stirring member 14 plays a role in stirring and scraping, and the stirring member 14 includes a connecting plate 141 fixedly connected to the bottom end of the stirring rod 13, wherein the connecting plate 141 plays a role in connecting the stirring member 14 and the stirring rod The function of the connecting plate 141 is to facilitate the stirring rod 13 to drive the stirring member 14 to rotate. A scraper 142 compatible with the tank body 1 is fixedly connected to one side of the outer wall of each connecting plate 141, wherein the scraper 142 is made of polytetrafluoroethylene (PTFE) material and has a small friction coefficient, and the surface of the scraper 142 is smoothed. Through the setting of the scraper 142, it is convenient to scrape off the flocculants attached to the inner wall of the tank body 1. A slide groove 143 is opened on one side of the scraper 142, and the slide groove 143 is set in a triangular structure. Through the setting of the slide groove 143, the flocculants are easy to slide along the surface of the scraper 142, which indirectly improves the efficiency of the device in treating wastewater.

[0027] like Figure 2 and Figure 3 As shown, in a certain embodiment, in order to improve the stirring and mixing efficiency, a motor 4 is fixedly connected to the top of the tank body 1 near the fixed plate 3, one end of the output shaft of the motor 4 is fixedly connected to a rotating shaft 41, and the outer peripheral wall of the rotating shaft 41 is rotatably connected to the fixed plate 3, wherein the motor 4 drives the rotating shaft 41 to rotate, one end of the rotating shaft 41 is fixedly connected to a conical gear 5, the inner peripheral wall of the transmission sleeve 6 is rotatably connected to a transmission rod 7, and the top end of the transmission rod 7 is rotatably connected to one end of the fixed plate 3, and the outer peripheral wall of the transmission sleeve 6 of the transmission rod 7 Conical teeth 2 8 are fixedly connected near conical teeth 1 5, and conical teeth 2 8 are meshed with conical teeth 1 5. Through the mutual cooperation between conical teeth 1 5 and the two conical teeth 2 8, the transmission rod 7 and the transmission sleeve 6 rotate in opposite directions. A connecting ring 15 is fixedly connected to one end of the outer peripheral wall of the transmission rod 7, and a plurality of evenly distributed stirring rods 2 16 are fixedly connected to one end of the connecting ring 15. Through the mutual cooperation between the transmission rod 7 and the connecting ring 15, the stirring rod 2 16 and the stirring rod 1 13 are driven to rotate in opposite directions, thereby achieving a two-way stirring effect and improving the stirring efficiency of the device.

[0028] like Figure 1 and Figure 2As shown, in a certain embodiment, in order to reduce the material cost of wastewater treatment, the bottom end of the tank body 1 is arranged in a funnel-shaped structure, and the magnetic powder recovery component includes a lower hopper 9 fixedly connected to one side of the bottom of the tank body 1, wherein the lower hopper 9 is provided with a solenoid valve inside, and the bottom end of the lower hopper 9 is fixedly connected to a discharge pipe 10, and one end of the discharge pipe 10 is fixedly connected to a high shear machine 11, wherein the high shear machine 11 plays a role in preliminary treatment of larger floc particles, and the output end of the high shear machine 11 is fixedly connected to a magnetic drum 12 through the discharge pipe 10. The arrangement of the magnetic drum 12 facilitates the recovery of magnetic powder in the floc particles, facilitates the reuse of the magnetic powder, and reduces the material cost of wastewater treatment.

[0029] Working principle: When working, firstly, wastewater, magnetic powder and other coagulants are injected through the feed pipe 17, and then the motor 4 is started, the motor 4 drives the rotating shaft 41 to rotate, and the rotating shaft 41 drives the conical gear 1 5 to rotate, and the conical gear 1 5 and the two conical gears 2 8 cooperate with each other, so that the transmission rod 7 and the transmission sleeve 6 rotate in the opposite direction, so that the stirring rod 1 13 and the stirring rod 2 16 rotate in the opposite direction, thereby improving the mixing efficiency of the wastewater and the magnetic powder and other coagulants inside the tank body 1, and at the same time, the stirring rod 13 drives the stirring member 14 to rotate along the inner circumferential wall of the tank body 1, and the scraper 142 scrapes the inner circumferential wall surface of the tank body 1. The flocculants that can be attached are then arranged through the triangular structure chute 143 opened on one side of the scraper 142, which makes it easy for the flocculants to slide off the surface of the scraper 142, avoiding the flocculants from adhering to the surface of the scraper 142, thereby improving the efficiency of floc mixing and sedimentation, and indirectly improving the efficiency of the device in treating wastewater. Then, the solenoid valve is opened, and the floc particles are moved to the high shear machine 11 through the mutual cooperation between the lower hopper 9 and the discharge pipe 10. The large floc particles are preliminarily treated by the high shear machine 11, which is convenient for the subsequent recovery of magnetic powder by the magnetic drum 12, thereby improving the reuse rate of magnetic powder and reducing the production cost of wastewater treatment.

[0030] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0031] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An integrated magnetic coagulation wastewater treatment device, comprising a tank body (1), the bottom end of the tank body (1) is fixedly connected to a support frame (2), the top side of the tank body (1) is fixedly connected to a fixing plate (3), and the top side of the tank body (1) is fixedly connected to a feed pipe (17), characterized in that: It also includes a stirring assembly arranged inside the tank body (1), and a magnetic powder recovery assembly is arranged on one side of the outside of the tank body (1); The stirring assembly comprises a transmission sleeve (6) rotatably connected to the top of the tank body (1), and the transmission sleeve (6) is coaxially arranged with the tank body (1), and the bottom end of the transmission sleeve (6) is fixedly connected to a plurality of evenly distributed stirring rods (13), and the bottom end of each stirring rod (13) is fixedly connected to a stirring member (14), and the stirring member (14) comprises a connecting plate (141) fixedly connected to the bottom end of the stirring rod (13), and one side of the outer wall of each connecting plate (141) is fixedly connected to a scraper (142) adapted to the tank body (1), and one side of each scraper (142) is provided with a slide groove (143), and the slide groove (143) is arranged in a triangular structure.

2. The integrated magnetic coagulation wastewater treatment device according to claim 1 is characterized in that: A motor (4) is fixedly connected to the top of the tank body (1) near the fixed plate (3); one end of the output shaft of the motor (4) is fixedly connected to a rotating shaft (41); one end of the rotating shaft (41) is fixedly connected to a conical tooth (5); the inner peripheral wall of the transmission sleeve (6) is rotatably connected to a transmission rod (7); and the top end of the transmission rod (7) is rotatably connected to one end of the fixed plate (3).

3. The integrated magnetic coagulation wastewater treatment device according to claim 2 is characterized in that: The outer peripheral wall of the transmission sleeve (6) of the transmission rod (7) is fixedly connected with a conical tooth 2 (8) near the conical tooth 1 (5), and the conical tooth 2 (8) is meshed with the conical tooth 1 (5). One end of the outer peripheral wall of the transmission rod (7) is fixedly connected with a connecting ring (15), and one end of the connecting ring (15) is fixedly connected with a plurality of evenly distributed stirring rods 2 (16).

4. The integrated magnetic coagulation wastewater treatment device according to claim 1 is characterized in that: The magnetic powder recovery component comprises a lower hopper (9) fixedly connected to one side of the bottom of the tank body (1); the bottom end of the lower hopper (9) is fixedly connected to a discharge pipe (10); one end of the discharge pipe (10) is fixedly connected to a high shear machine (11); and the output end of the high shear machine (11) is fixedly connected to a magnetic drum (12) via the discharge pipe (10).

5. The integrated magnetic coagulation wastewater treatment device according to claim 2 is characterized in that: The fixed plate (3) is arranged in an inverted L-shaped structure, the outer peripheral wall of the rotating shaft (41) is rotatably connected to the fixed plate (3), and the surface of the scraper (142) is smooth.

6. The integrated magnetic coagulation wastewater treatment device according to claim 1 is characterized in that: The bottom end of the tank body (1) is arranged in a funnel-shaped structure.

Images