Defluorination equipment beneficial to rapid coagulating sedimentation

By designing a combined structure of rotating rod, long rod, stirring shaft and water stirring plate in the defluorination equipment, the problem of poor wastewater flowability was solved, the wastewater and lime were fully mixed, and the precipitation efficiency of fluoride was improved.

CN223792962UActive Publication Date: 2026-01-13JIANGSU TAIYUAN ENVIRONMENTAL SCI & TECH CO LTD
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Patent Information

Application Number
CN202423119611.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-17
Publication Date
2026-01-13
Estimated Expiration
2034-12-17

AI Technical Summary

Technical Problem

In existing defluorination equipment, the wastewater near the center of the main tank has better flowability, while the wastewater far from the center has poorer flowability, resulting in uneven mixing of the defluorinating agent and wastewater, which affects the defluorination effect.

Method used

Design a stirring mechanism including a rotating rod, a long rod, a stirring shaft, a driven rod, and a stirring plate. The flowability of wastewater is increased by the circular movement and arc-shaped rotation of the driven rod and the stirring plate. The contact area between the groove and the outlet hole is increased. Combined with the lifting and lowering movement of the movable ring and the slide, the contact area between the stirring shaft and the driven rod is increased, so as to achieve full mixing of wastewater.

Benefits of technology

It improves the fluidity and mixing uniformity of wastewater in the defluorination tank, ensures full contact between lime and wastewater, promotes rapid coagulation and precipitation of fluorides, and improves defluorination efficiency.

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Abstract

The utility model discloses defluorination equipment facilitating rapid coagulating sedimentation, which belongs to the technical field of defluorination equipment and comprises a defluorination tank, a rotating rod and a long rod are rotatably connected to the inner wall of the defluorination tank, the surface of the long rod is rotatably connected to the inner wall of the rotating rod, stirring shafts are arranged on the surfaces of the rotating rod and the long rod, and the defluorination equipment further comprises a stirring mechanism. The stirring mechanism comprises a fixing frame fixedly connected to the top end of the stirring shaft, and the surface of the fixing frame is rotationally connected with a driven rod. Through a driven rod, a driven block and a water stirring plate, waste water is thrown up, the flowability of the waste water in the defluorination tank is improved, through a groove and a water outlet hole, the contact area of the driven block and the waste water is increased, and the waste water can be better drained; according to the mode, the wastewater far away from the stirring shaft is fully stirred, so that the flowability of the wastewater in the defluorination tank is improved, and the sufficient mixing of the wastewater and lime is improved.
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Description

Technical Field

[0001] This utility model relates to the field of defluorination equipment technology, specifically to a defluorination equipment that facilitates rapid coagulation and sedimentation. Background Technology

[0002] Defluoridation equipment is one of the important pieces of equipment in water and wastewater treatment. Its core lies in the coagulation and sedimentation process, which involves adding substances with coagulation ability or those that precipitate fluorides, such as lime, to the water to form a large amount of colloidal substances or precipitates. The fluorides also coagulate or precipitate accordingly. Then, the fluoride ions are removed from the water by contact with filter media such as resin in the defluoridation tank.

[0003] According to the search, the Chinese patent "A Fluorine Removal Equipment for Fluorine-Containing Wastewater" authorized announcement number "CN220999278U" uses a motor, transmission rod, drive wheel one, drive wheel two, rotor one, rotor two and belt to realize the opposite rotation of two stirring blades in the main tank, thereby achieving different stirring methods in different directions to make the defluorinating agent and wastewater more evenly mixed.

[0004] In the aforementioned application, the stirring blades are located at the center of the main tank, resulting in better flow of wastewater near the center of the main tank and poorer flow of wastewater far from the center of the main tank, thereby reducing the thorough mixing of the defluorinating agent and the wastewater.

[0005] Based on this, this utility model designs a rapid coagulation sedimentation defluorination device to solve the above problems. Utility Model Content

[0006] In view of the above-mentioned shortcomings of the existing technology, this utility model provides a device for rapid coagulation sedimentation and defluorination.

[0007] To achieve the above objectives, this utility model provides the following technical solution:

[0008] A rapid coagulation and sedimentation defluorination device includes a defluorination tank. A rotating rod and a long rod are rotatably connected to the inner wall of the defluorination tank. The surface of the long rod is rotatably connected to the inner wall of the rotating rod. Both the rotating rod and the long rod have stirring shafts on their surfaces. The device also includes a stirring mechanism. The stirring mechanism includes a fixed frame fixedly connected to the top of the stirring shaft. A driven rod is rotatably connected to the surface of the fixed frame. A ring of driven blocks is fixedly connected to the surface of the driven rod. Two water-stirring plates are fixedly connected to the surface of each driven block. The surface of each driven block has equally spaced grooves and water outlet holes, with the grooves communicating with the water outlet holes.

[0009] Furthermore, a first bevel gear is fixedly connected to the bottom end of the rotating rod, a second bevel gear is fixedly connected to the lower end of the surface of the long rod through the first bevel gear, a motor is fixedly connected to the bottom end of the defluorination tank, a third bevel gear is fixedly connected to the output shaft of the motor, and one end of the third bevel gear meshes with one end of the first bevel gear and one end of the second bevel gear respectively.

[0010] Furthermore, the inner wall of the defluorination tank is fixedly connected with four movable rings, the ends of which form an angle with the horizontal plane.

[0011] Furthermore, both the fixed frame and the end of the stirring shaft are fixedly connected to a movable rod, the end of which is bent into an arc shape and contacts the end of the movable ring.

[0012] Furthermore, the surface of the driven block is curved into an arc shape, and the inner wall of the groove is recessed into an arc shape.

[0013] Furthermore, the two upper movable rods and the two lower movable rods are all symmetrical about the center point of the fixed frame.

[0014] Furthermore, the end of the water-stirring plate forms an angle with the horizontal plane.

[0015] Furthermore, a slide is fixedly connected to the surface of the rotating rod and the long rod, and the stirring shaft and the inner wall of the fixed frame are slidably connected to the surface of the slide.

[0016] Furthermore, the end of the driven rod is rotatably connected to a ball bearing, the surface of which is rotatably connected to the inner wall of the defluorination tank.

[0017] Furthermore, a protective frame is fixedly connected to the bottom of the defluorination tank, and the surface of the third bevel gear is rotatably connected to the inner wall of the protective frame.

[0018] Beneficial effects

[0019] 1. By using the driven rod, driven block, and stirring plate, the wastewater is thrown up, increasing its flowability in the defluorination tank. The groove and outlet hole increase the contact area between the driven block and the wastewater, facilitating better wastewater drainage. Compared to existing methods where wastewater far from the stirring blades has poor flowability, this method fully agitates wastewater far from the stirring shaft, thereby increasing the flowability of wastewater in the defluorination tank and thus increasing the thorough mixing of wastewater and lime.

[0020] 2. Through the movable ring, movable rod and slide, the stirring shaft and driven rod are reciprocated and raised during rotation, thereby increasing the contact area between the stirring shaft, driven rod, driven block and stirring plate and the wastewater, enhancing the flowability of the wastewater, and thus improving the stirring effect on the wastewater. Attached Figure Description

[0021] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0022] Figure 1 This is a perspective view of the main structure of a rapid coagulation sedimentation defluorination device according to the present invention;

[0023] Figure 2 This is a cross-sectional view of the defluorination tank and protective frame in a rapid coagulation sedimentation defluorination device according to the present invention;

[0024] Figure 3 This is an exploded view of the long rod and stirring mechanism in a rapid coagulation sedimentation defluorination device according to the present invention;

[0025] Figure 4 This is a perspective view of the stirring mechanism in a rapid coagulation sedimentation defluorination device according to the present invention.

[0026] The labels in the diagram represent:

[0027] 1. Defluoridation tank; 2. Rotating rod; 3. Long rod; 4. Stirring shaft; 5. Stirring mechanism; 51. Driven rod; 52. Driven block; 53. Stirring plate; 54. Groove; 55. Water outlet; 56. First bevel gear; 57. Second bevel gear; 58. Third bevel gear; 59. Motor; 510. Fixed frame; 511. Movable rod; 512. Movable ring; 513. Protective frame; 514. Slide; 515. Ball bearing. Detailed Implementation

[0028] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of this utility model. All other embodiments obtained by those skilled in the art based on the embodiments of this utility model without creative effort are within the scope of protection of this utility model.

[0029] The present invention will be further described below with reference to the embodiments.

[0030] In some embodiments, please refer to the appendix to the instruction manual. Figure 1-4A defluorination device for rapid coagulation and sedimentation includes a defluorination tank 1. A rotating rod 2 and a long rod 3 are rotatably connected to the inner wall of the defluorination tank 1. The surface of the long rod 3 is rotatably connected to the inner wall of the rotating rod 2. Both the rotating rod 2 and the long rod 3 are provided with stirring shafts 4. The device also includes a stirring mechanism 5. The stirring mechanism 5 includes a fixed frame 510 fixedly connected to the top of the stirring shaft 4. A driven rod 51 is rotatably connected to the surface of the fixed frame 510. A ring of driven blocks 52 are fixedly connected to the surface of the driven rod 51. Two water stirring plates 53 are fixedly connected to the surface of the driven blocks 52. The surface of the driven blocks 52 is provided with equally spaced grooves 54 and water outlet holes 55. The grooves 54 and the water outlet holes 55 are connected.

[0031] A filter media frame is fixedly connected to the lower end of the inner wall of the defluorination tank 1. The lower end of the surface of the rotating rod 2 is rotatably connected to the inner wall of the filter media frame. The inner wall of the filter media frame is filled with resin components. A water inlet pipe is connected to the upper end of the surface of the defluorination tank 1. A water outlet pipe is connected to the bottom end of the defluorination tank 1. A feed pipe is connected to the top end of the defluorination tank 1. A sewage discharge pipe is connected to the lower end of the surface of the defluorination tank 1.

[0032] In this embodiment of the invention, when wastewater needs to be defluorinated, wastewater is transported into the defluorination tank 1 through the inlet pipe. A defluorinating agent, such as lime, is poured into the feed pipe of the defluorination tank 1. This drives the rotating rod 2 and the long rod 3 to rotate in opposite directions. The rotation of the rotating rod 2 drives one of the stirring shafts 4 and one of the fixed frames 510 to rotate. The rotation of the fixed frame 510 causes the driven rod 51, the driven block 52, and the stirring plate 53 to move in a circular motion. The rotation of the long rod 3 drives another stirring shaft 4 and another fixed frame 510 to rotate. The rotation of the other fixed frame 510 also causes the driven rod 51, the driven block 52, and the stirring plate 53 to move in a circular motion. The wastewater in the defluorination tank 1 is agitated by the circular movement of the driven block 52 and the stirring plate 53. The resistance of the wastewater in the defluorination tank 1 causes the driven rod 51 to rotate, which in turn causes the three driven blocks 52 to move in a circle at the center of the driven rod 51, thus throwing the wastewater up. This causes the wastewater in the defluorination tank 1 to flow completely, which in turn causes the lime to mix thoroughly with the wastewater, so that the fluoride in the wastewater can quickly coagulate and precipitate. At this time, the resin components filled in the filter frame adsorb the fluoride ions in the wastewater. The treated wastewater is discharged into the next treatment stage through the outlet pipe at the bottom of the defluorination tank 1. The wastewater defluorination process is a well-known existing technology and will not be described in detail here.

[0033] In this embodiment of the utility model, the driven rod 51, the driven block 52 and the stirring plate 53 are used to throw the wastewater up, which increases the flow of the wastewater in the defluorination tank 1. The groove 54 and the outlet hole 55 increase the contact area between the driven block 52 and the wastewater, which facilitates better drainage of the wastewater and increases the flow of the wastewater in the defluorination tank 1. This increases the thorough mixing of the wastewater and lime and ensures that the fluoride in the wastewater is quickly coagulated and precipitated.

[0034] In some embodiments, such as Figure 3-4 As shown, in a preferred embodiment of this utility model, a first bevel gear 56 is fixedly connected to the bottom end of the rotating rod 2, a second bevel gear 57 is fixedly connected to the lower end of the surface of the long rod 3 through the first bevel gear 56, and a motor 59 is fixedly connected to the bottom end of the defluorination tank 1. A third bevel gear 58 is fixedly connected to the output shaft of the motor 59. One end of the third bevel gear 58 meshes with one end of the first bevel gear 56 and one end of the second bevel gear 57, respectively. Four movable rings 512 are fixedly connected to the inner wall of the defluorination tank 1. The ends of the movable rings 512 form an angle with the horizontal plane. Movable rings 512 are fixedly connected to the ends of the fixed frame 510 and the stirring shaft 4. The end of the movable rod 511 is curved into an arc shape and contacts the end of the movable ring 512. The two upper and two lower movable rods 511 are symmetrical about the center point of the fixed frame 510. The rotating rod 2 and the long rod 3 are fixedly connected to the slide 514. The stirring shaft 4 and the inner wall of the fixed frame 510 are slidably connected to the surface of the slide 514. The end of the driven rod 51 is rolledly connected to the ball 515. The surface of the ball 515 is rolledly connected to the inner wall of the defluorination tank 1. The bottom of the defluorination tank 1 is fixedly connected to the protective frame 513. The surface of the third bevel gear 58 is rotatably connected to the inner wall of the protective frame 513.

[0035] In this embodiment of the invention, the motor 59 is manually turned on. The output shaft of the motor 59 rotates, driving the third bevel gear 58 to rotate. The rotation of the third bevel gear 58 drives the first bevel gear 56 and the second bevel gear 57 to rotate in opposite directions. The rotation of the first bevel gear 56 drives the rotating rod 2 to rotate, and the rotation of the second bevel gear 57 drives the long rod 3 to rotate. This causes the rotating rod 2 and the long rod 3 to rotate in opposite directions. The rotation of the rotating rod 2 and the long rod 3 drives their respective slides 514. The circular movement of the slides 514 drives the stirring shaft 4 and the fixed frame 510 to rotate. The fixed frame 510 rotates, causing its respective movable rods 511 to move at the end of the movable ring 512. When the end of one movable rod 511 moves in a ring to the highest point of the corresponding movable ring 512, and the end of the other movable rod 511 moves in a ring to the lowest point of the corresponding movable ring 512, the fixed frame 510 and the stirring shaft 4 move longitudinally on the slide 514. Conversely, the fixed frame 510 and the stirring shaft 4 also move longitudinally on the slide 514, thereby causing the fixed frame 510 and the stirring shaft 4 to reciprocate up and down during rotation, thus fully agitating the wastewater.

[0036] In this embodiment of the utility model, the moving ring 512, the moving rod 511 and the slide 514 enable the stirring shaft 4 and the driven rod 51 to reciprocate up and down during rotation, thereby increasing the contact area of ​​the stirring shaft 4, the driven rod 51, the driven block 52 and the water stirring plate 53 with the wastewater, thus improving the stirring effect on the wastewater.

[0037] In some embodiments, such as Figure 4 As shown, in a preferred embodiment of the present invention, the surface of the driven block 52 is curved into an arc shape, the inner wall of the groove 54 is recessed into an arc shape, and the end of the stirring plate 53 forms an angle with the horizontal plane.

[0038] In this embodiment of the invention, the driven block 52 with its curved surface and the groove 54 with its concave inner wall can be flipped more effectively under the resistance of the wastewater, thereby causing the three driven blocks 52 to flip in the circular movement, so that the wastewater on the driven blocks 52 is thrown up.

[0039] It should be noted that the defluorination tank 1, rotating rod 2, long rod 3, stirring shaft 4 and motor 59 mentioned above are all components with relatively mature existing technology. The specific model can be selected according to actual needs. At the same time, the motor 59 can be powered by the built-in power supply or by the mains power. The specific power supply method can be selected according to the situation, which will not be elaborated here.

[0040] The above embodiments are only used to illustrate the technical solutions of this utility model, and are not intended to limit it. Although this utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features. Such modifications or substitutions will not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of this utility model.

Claims

1. A device for rapid coagulation and sedimentation defluorination, comprising a defluorination tank (1), wherein a rotating rod (2) and a long rod (3) are rotatably connected to the inner wall of the defluorination tank (1), the surface of the long rod (3) is rotatably connected to the inner wall of the rotating rod (2), and both the rotating rod (2) and the long rod (3) are provided with stirring shafts (4), characterized in that: It also includes a stirring mechanism (5), which includes a fixed frame (510) fixedly connected to the top of the stirring shaft (4). A driven rod (51) is rotatably connected to the surface of the fixed frame (510). A ring-shaped driven block (52) is fixedly connected to the surface of the driven rod (51). Two water stirring plates (53) are fixedly connected to the surface of the driven block (52). The surface of the driven block (52) is provided with equally arranged grooves (54) and water outlet holes (55). The grooves (54) and water outlet holes (55) are connected.

2. The defluorination equipment for rapid coagulation and sedimentation as described in claim 1, characterized in that, The bottom end of the rotating rod (2) is fixedly connected to a first bevel gear (56), the lower end of the surface of the long rod (3) passes through the first bevel gear (56) and is fixedly connected to a second bevel gear (57), the bottom end of the defluorination tank (1) is fixedly connected to a motor (59), the output shaft of the motor (59) is fixedly connected to a third bevel gear (58), and one end of the third bevel gear (58) meshes with one end of the first bevel gear (56) and one end of the second bevel gear (57).

3. The defluorination equipment for rapid coagulation and sedimentation as described in claim 1, characterized in that, The inner wall of the defluorination tank (1) is fixedly connected with four movable rings (512), the ends of which form an angle with the horizontal plane.

4. The defluorination equipment for rapid coagulation and sedimentation as described in claim 1, characterized in that, The fixed frame (510) and the stirring shaft (4) are both fixedly connected to a movable rod (511). The end of the movable rod (511) is bent into an arc shape and the end of the movable rod (511) contacts the end of the movable ring (512).

5. The defluorination equipment for rapid coagulation and sedimentation as described in claim 1, characterized in that, The surface of the driven block (52) is curved in an arc shape, and the inner wall of the groove (54) is recessed in an arc shape.

6. The defluorination equipment for rapid coagulation and sedimentation as described in claim 4, characterized in that, The two upper movable rods (511) and the two lower movable rods (511) are symmetrical about the center point of the fixed frame (510).

7. The defluorination equipment for rapid coagulation and sedimentation as described in claim 1, characterized in that, The end of the water-stirring plate (53) forms an angle with the horizontal plane.

8. The defluorination equipment for rapid coagulation and sedimentation as described in claim 1, characterized in that, The rotating rod (2) and the long rod (3) are fixedly connected to a slide (514), and the stirring shaft (4) and the inner wall of the fixed frame (510) are slidably connected to the surface of the slide (514).

9. The defluorination equipment for rapid coagulation and sedimentation as described in claim 1, characterized in that, The end of the driven rod (51) is rolledly connected to a ball (515), and the surface of the ball (515) is rolledly connected to the inner wall of the defluorination tank (1).

10. The defluorination equipment for rapid coagulation and sedimentation as described in claim 2, characterized in that, The bottom end of the defluorination tank (1) is fixedly connected to a protective frame (513), and the surface of the third bevel gear (58) is rotatably connected to the inner wall of the protective frame (513).

Citation Information

Patent Citations

  • Fluorine removal equipment for fluorine-containing wastewater

    CN220999278U