A scum scraping mechanism on dissolved air flotation equipment

Abstract

The utility model discloses a scum scraping mechanism on a dissolved air flotation device, and relates to the technical field of scum scraping mechanisms, including a flotation tank, a rotating unit arranged inside the flotation tank, and a cleaning unit arranged on the side of the rotating unit; the rotating unit includes a fixed component arranged inside the flotation tank, and a rotating component arranged at the top of the fixed component; the cleaning unit includes a connecting component arranged at the bottom of the rotating component, and a fitting component arranged on one side of the connecting component for cleaning the inner wall of the flotation tank. The utility model is a scum scraping mechanism on a dissolved air flotation device, and the self-gravity of the movable rod and the gravity of the component connected to the bottom of the movable rod will be shared by the outer shell of the flotation tank, thereby improving the stability of the rotation and the arc cleaning plate will also rotate when the collection frame rotates. The arc cleaning plate will clean the impurities adhered to the inner wall of the flotation tank while rotating, thereby improving the cleaning effect of the scum.

Description

Technical Field

[0001] The utility model relates to the technical field of scum scraping mechanisms, in particular to a scum scraping mechanism on dissolved air flotation equipment. Background Art

[0002] Dissolved air flotation machine adopts a new type of efficient dissolved air equipment, namely micro bubble generator, to replace the traditional air entraining equipment to dissolve air into the water. Dissolved air flotation is suitable for treating water with low turbidity, high chroma, high organic content, low oil content, low surfactant content or rich algae.

[0003] After searching the publication (announcement) number: CN218879535U, a scum scraping mechanism on a dissolved air flotation device is disclosed, including a flotation tank, two fixed rods are fixedly installed at the bottom of the inner side of the flotation tank, a salvage structure is slidably connected to the outer side of the fixed rod, a telescopic rod is fixedly installed in the middle of the inner lower surface of the flotation tank, a floating block is fixedly connected to the upper end of the telescopic rod, an annular chute is opened on the upper surface of the floating block, an arc-shaped baffle is fixedly installed inside the annular chute, two sliders are slidably installed inside the annular chute, a limited block is fixedly installed on the upper surface of the slider, an L-shaped connecting rod is fixedly connected to one side of the slider, a connecting plate is fixedly connected to one end of the L-shaped connecting rod, a second filter is fixedly installed on the lower surface of the connecting plate, and a driving structure is fixedly installed on the outer side of the floating block. The utility model is convenient for quickly scraping and salvaging scum, has a high scraping efficiency, and saves the time required for scraping scum.

[0004] Although the above scheme is convenient for quickly scraping and salvaging the scum, and its scraping efficiency is high, no scraping operation is performed on the inner side of the flotation tank, the cleaning effect of the scum can be further enhanced, and the rotation stability is not strong. Utility Model Content

[0005] The main purpose of the utility model is to provide a scum scraping mechanism on a dissolved air flotation device, which solves the problem of weak rotation stability by setting a rotating unit, and solves the problem that the inner side of the flotation tank is not scraped by a cleaning unit, and the cleaning effect of the scum can be further enhanced.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] A scum scraping mechanism on a dissolved air flotation device comprises an air flotation tank, a rotating unit arranged inside the air flotation tank, and a cleaning unit arranged on the side of the rotating unit;

[0008] The rotating unit includes a fixed component arranged inside the air flotation tank, and a rotating component arranged on the top of the fixed component;

[0009] The cleaning unit comprises a connecting component arranged at the bottom end of the rotating component, and a fitting component arranged at one side of the connecting component for cleaning the inner wall of the flotation tank.

[0010] Preferably, the fixing assembly in the rotating unit includes a supporting rod fixedly connected to the middle part of the flotation tank, and a fixing seat fixedly connected to the top end of the supporting rod.

[0011] Preferably, the rotating assembly in the rotating unit includes a rotating motor disposed inside the fixing seat, a rotating shaft disposed at the top of the rotating motor, and a movable rod fixedly connected to the top of the rotating shaft;

[0012] The bottom end of the movable rod is in contact with the top end of the outer shell of the air flotation tank.

[0013] Preferably, the connecting assembly in the cleaning unit includes two snap-in grooves opened at the bottom end of the movable rod, a connecting groove arranged between the two snap-in grooves, a fixed plate fixedly connected to the inside of the connecting groove, a plurality of first elastic columns fixedly connected to both sides of the fixed plate, a first spring arranged on the surface of the first elastic column, a movable plate respectively fixedly connected to one end of the plurality of first elastic columns on one side, and a plurality of limit columns fixedly connected to one end of the movable plate.

[0014] Preferably, the connection assembly in the cleaning unit further comprises a clamping plate clamped in the clamping groove, a plurality of through holes provided in the clamping plate, a collection frame fixedly connected to the bottom end of the clamping plate, and a filter screen disposed on one side of the collection frame;

[0015] The outer diameter of the filter screen is larger than the inner diameter, and one end of the limiting column extends to the inside of the corresponding through hole.

[0016] Preferably, the fitting component in the cleaning unit includes an arc-shaped groove opened on one side of the bottom end of the movable rod, a groove connected to one side of the arc-shaped groove, a second elastic column arranged inside the groove, a second spring arranged on the surface of the second elastic column, and a limit block fixedly connected to one end of the second elastic column.

[0017] Preferably, the laminating assembly in the cleaning unit further comprises an arc-shaped cleaning plate disposed inside the arc-shaped groove;

[0018] One side of the arc-shaped cleaning plate is in contact with the inner wall of the air flotation tank.

[0019] Compared with the prior art, the utility model has the following beneficial effects:

[0020] 1. In the present invention, by setting the rotating unit, since the bottom end of the movable rod is in contact with the top end of the outer shell of the flotation pool, starting the rotating motor to drive the rotating shaft to rotate can drive the movable rod to rotate together, so that the self-gravity of the movable rod and the gravity of the components connected to the bottom end of the movable rod will be shared by the outer shell of the flotation pool, thereby improving the stability of rotation.

[0021] 2. In the utility model, through the setting of the cleaning unit, when the rotating motor is started, the two collecting frames at the bottom of the movable rod rotate together. Since the outer mesh diameter of the filter net is larger than the inner mesh diameter, the scum will pass through the filter net into the collecting frame, and the arc-shaped cleaning plate will also rotate while the collecting frame rotates. The arc-shaped cleaning plate will clean the impurities adhered to the inner wall of the flotation tank while rotating, thereby improving the cleaning effect of the scum. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0023] Figure 2 It is a cross-sectional view of the fixing seat in the utility model;

[0024] Figure 3 It is a cross-sectional view of the movable rod in the utility model;

[0025] Figure 4 For this utility model Figure 3 A schematic diagram of the structure enlargement in the middle;

[0026] Figure 5 It is a three-dimensional structural schematic diagram of the collecting frame in the utility model.

[0027] In the figure:

[0028] 1. Flotation tank;

[0029] 2. Rotating unit; 201. Support rod; 202. Fixed seat; 203. Movable rod; 204. Rotating motor; 205. Rotating shaft;

[0030] 3. Cleaning unit; 301. Arc-shaped cleaning plate; 302. Collecting frame; 303. Filtering net; 304. Snap-fit ​​groove; 305. Limiting column; 306. Moving plate; 307. First spring; 308. First elastic column; 309. Fixed plate; 310. Connecting groove; 311. Arc-shaped groove; 312. Limiting block; 313. Second elastic column; 314. Second spring; 315. Groove; 316. Snap-fit ​​plate; 317. Through hole. DETAILED DESCRIPTION

[0031] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods. Example

[0032] like Figure 1 , Figure 2 , Figure 3 , Figure 4 as well as Figure 5 As shown, a scum scraping mechanism on a dissolved air flotation device comprises an air flotation tank 1, a rotating unit 2 arranged inside the air flotation tank 1, and a cleaning unit 3 arranged on the side of the rotating unit 2;

[0033] The rotating unit 2 includes a fixed component disposed inside the air flotation tank 1, and a rotating component disposed on the top of the fixed component;

[0034] The cleaning unit 3 includes a connecting component arranged at the bottom end of the rotating component, and a fitting component arranged at one side of the connecting component for cleaning the inner wall of the flotation tank 1 .

[0035] The fixed assembly in the rotating unit 2 includes a support rod 201 fixedly connected to the middle of the interior of the air flotation tank 1 , and a fixing seat 202 fixedly connected to the top of the support rod 201 .

[0036] The rotating assembly in the rotating unit 2 includes a rotating motor 204 disposed inside the fixing seat 202, a rotating shaft 205 disposed at the top of the rotating motor 204, and a movable rod 203 fixedly connected to the top of the rotating shaft 205;

[0037] The bottom end of the movable rod 203 fits with the top end of the outer shell of the air flotation tank 1 .

[0038] The connecting assembly in the cleaning unit 3 includes two snap-in grooves 304 opened at the bottom end of the movable rod 203, a connecting groove 310 arranged between the two snap-in grooves 304, a fixed plate 309 fixedly connected to the inside of the connecting groove 310, a plurality of first elastic columns 308 fixedly connected to both sides of the fixed plate 309, a first spring 307 arranged on the surface of the first elastic column 308, a movable plate 306 respectively fixedly connected to one end of the plurality of first elastic columns 308 on one side, and a plurality of limiting columns 305 fixedly connected to one end of the movable plate 306.

[0039] The connection assembly in the cleaning unit 3 also includes a clamping plate 316 clamped in the clamping groove 304, a plurality of through holes 317 provided in the clamping plate 316, a collection frame 302 fixedly connected to the bottom end of the clamping plate 316, and a filter screen 303 disposed on one side of the collection frame 302;

[0040] The outer diameter of the filter screen 303 is larger than the inner diameter, and one end of the limiting column 305 extends to the inside of the corresponding through hole 317 .

[0041] The fitting component in the cleaning unit 3 includes an arc-shaped groove 311 opened on one side of the bottom end of the movable rod 203, a groove 315 connected to one side of the arc-shaped groove 311, a second elastic column 313 arranged inside the groove 315, a second spring 314 arranged on the surface of the second elastic column 313, and a limit block 312 fixedly connected to one end of the second elastic column 313.

[0042] The laminating assembly in the cleaning unit 3 further includes an arc-shaped cleaning plate 301 disposed inside the arc-shaped groove 311;

[0043] One side of the arc-shaped cleaning plate 301 is in contact with the inner wall of the air flotation tank 1 .

[0044] Since the bottom end of the movable rod 203 is in contact with the top of the outer shell of the flotation pool 1, starting the rotating motor 204 to drive the rotating shaft 205 to rotate can drive the movable rod 203 to rotate together, so that the gravity of the movable rod 203 itself and the gravity of the components connected to the bottom end of the movable rod 203 will be shared by the outer shell of the flotation pool 1, thereby improving the stability of rotation. Example

[0045] like Figure 1 , Figure 2 , Figure 3 , Figure 4 as well as Figure 5 As shown, a scum scraping mechanism on a dissolved air flotation device comprises an air flotation tank 1, a rotating unit 2 arranged inside the air flotation tank 1, and a cleaning unit 3 arranged on the side of the rotating unit 2;

[0046] The rotating unit 2 includes a fixed component disposed inside the air flotation tank 1, and a rotating component disposed on the top of the fixed component;

[0047] The cleaning unit 3 includes a connecting component arranged at the bottom end of the rotating component, and a fitting component arranged at one side of the connecting component for cleaning the inner wall of the flotation tank 1 .

[0048] The fixed assembly in the rotating unit 2 includes a support rod 201 fixedly connected to the middle of the interior of the air flotation tank 1 , and a fixing seat 202 fixedly connected to the top of the support rod 201 .

[0049] The rotating assembly in the rotating unit 2 includes a rotating motor 204 disposed inside the fixing seat 202, a rotating shaft 205 disposed at the top of the rotating motor 204, and a movable rod 203 fixedly connected to the top of the rotating shaft 205;

[0050] The bottom end of the movable rod 203 fits with the top end of the outer shell of the air flotation tank 1 .

[0051] The connecting assembly in the cleaning unit 3 includes two snap-in grooves 304 opened at the bottom end of the movable rod 203, a connecting groove 310 arranged between the two snap-in grooves 304, a fixed plate 309 fixedly connected to the inside of the connecting groove 310, a plurality of first elastic columns 308 fixedly connected to both sides of the fixed plate 309, a first spring 307 arranged on the surface of the first elastic column 308, a movable plate 306 respectively fixedly connected to one end of the plurality of first elastic columns 308 on one side, and a plurality of limiting columns 305 fixedly connected to one end of the movable plate 306.

[0052] The connection assembly in the cleaning unit 3 also includes a clamping plate 316 clamped in the clamping groove 304, a plurality of through holes 317 provided in the clamping plate 316, a collection frame 302 fixedly connected to the bottom end of the clamping plate 316, and a filter screen 303 disposed on one side of the collection frame 302;

[0053] The outer diameter of the filter screen 303 is larger than the inner diameter, and one end of the limiting column 305 extends to the inside of the corresponding through hole 317 .

[0054] The fitting component in the cleaning unit 3 includes an arc-shaped groove 311 opened on one side of the bottom end of the movable rod 203, a groove 315 connected to one side of the arc-shaped groove 311, a second elastic column 313 arranged inside the groove 315, a second spring 314 arranged on the surface of the second elastic column 313, and a limit block 312 fixedly connected to one end of the second elastic column 313.

[0055] The laminating assembly in the cleaning unit 3 further includes an arc-shaped cleaning plate 301 disposed inside the arc-shaped groove 311;

[0056] One side of the arc-shaped cleaning plate 301 is in contact with the inner wall of the air flotation tank 1 .

[0057] When the rotating motor 204 is started, the two collecting frames 302 at the bottom of the movable rod 203 rotate together. Since the outer mesh diameter of the filter net 303 is larger than the inner mesh diameter, the scum will pass through the filter net 303 and enter the collecting frame 302. When the collecting frame 302 rotates, the arc cleaning plate 301 will also rotate. While rotating, the arc cleaning plate 301 will clean the impurities adhered to the inner wall of the flotation tank 1, thereby improving the cleaning effect of the scum.

[0058] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A scum scraping mechanism on a dissolved air flotation device, comprising an air flotation tank (1), characterized in that: It also includes a rotating unit (2) arranged inside the air flotation tank (1), and a cleaning unit (3) arranged on the side of the rotating unit (2); The rotating unit (2) comprises a fixed component arranged inside the flotation tank (1), and a rotating component arranged on the top of the fixed component; The cleaning unit (3) comprises a connecting component arranged at the bottom end of the rotating component, and a fitting component arranged at one side of the connecting component and used for cleaning the inner wall of the flotation tank (1).

2. The scum scraping mechanism on the dissolved air flotation equipment according to claim 1, characterized in that: The fixing assembly in the rotating unit (2) comprises a support rod (201) fixedly connected to the middle part of the flotation tank (1), and a fixing seat (202) fixedly connected to the top end of the support rod (201).

3. The scum scraping mechanism on the dissolved air flotation equipment according to claim 2, characterized in that: The rotating assembly in the rotating unit (2) comprises a rotating motor (204) arranged inside the fixing seat (202), a rotating shaft (205) arranged at the top end of the rotating motor (204), and a movable rod (203) fixedly connected to the top end of the rotating shaft (205); The bottom end of the movable rod (203) fits into the top end of the outer shell of the air flotation tank (1).

4. The scum scraping mechanism on the dissolved air flotation equipment according to claim 3, characterized in that: The connection assembly in the cleaning unit (3) comprises two snap-fitting grooves (304) opened at the bottom end of the movable rod (203), a connecting groove (310) arranged between the two snap-fitting grooves (304), a fixing plate (309) fixedly connected to the inside of the connecting groove (310), a plurality of first elastic columns (308) fixedly connected to both sides of the fixing plate (309), a first spring (307) arranged on the surface of the first elastic column (308), a movable plate (306) respectively fixedly connected to one end of the plurality of first elastic columns (308) on one side, and a plurality of limiting columns (305) fixedly connected to one end of the movable plate (306).

5. The scum scraping mechanism on the dissolved air flotation equipment according to claim 4, characterized in that: The connection assembly in the cleaning unit (3) further comprises a clamping plate (316) clamped in the clamping groove (304), a plurality of through holes (317) provided in the clamping plate (316), a collection frame (302) fixedly connected to the bottom end of the clamping plate (316), and a filter screen (303) arranged on one side of the collection frame (302); The outer diameter of the filtering net (303) is larger than the inner diameter, and one end of the limiting column (305) extends to the inside of the corresponding through hole (317).

6. The scum scraping mechanism on the dissolved air flotation equipment according to claim 5, characterized in that: The fitting component in the cleaning unit (3) comprises an arc-shaped groove (311) opened on one side of the bottom end of the movable rod (203), a groove (315) connected to one side of the arc-shaped groove (311), a second elastic column (313) arranged in the groove (315), a second spring (314) arranged on the surface of the second elastic column (313), and a limit block (312) fixedly connected to one end of the second elastic column (313).

7. The scum scraping mechanism on the dissolved air flotation equipment according to claim 6, characterized in that: The laminating component in the cleaning unit (3) further comprises an arc-shaped cleaning plate (301) arranged inside the arc-shaped groove (311); One side of the arc-shaped cleaning plate (301) is in contact with the inner wall of the flotation tank (1).

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