Liquid level adjusting mechanism and air flotation machine thereof

Abstract

The utility model discloses a liquid level adjusting mechanism and an air flotation machine thereof. The liquid level adjusting mechanism comprises a separation area, and one side of the separation area is arranged in a clear water area; a liquid level control mechanism is arranged in the clear water area and comprises a drainage tank body, a liquid level sensor and a liquid level sensor, and the drainage tank body is arranged in the clear water area; the drainage pipe is connected with the bottom end of the drainage tank body; the adjusting assembly is arranged at the top end of the drainage tank body; and the positioning assembly is connected with the adjusting assembly. The arrangement mode that the drainage tank body, the drainage pipe, the adjusting assembly and the positioning assembly are matched is utilized, the water level of the clear water area can be kept at the position parallel to the opening of the water inlet plate on the drainage tank body, and the situation that in the shutdown process, the liquid level of the whole air flotation machine is in a slow descending state, and consequently scum scraping and discharging are not thorough in the later period of shutdown is avoided. And when the device is started again, the initial drainage is not thorough.

Description

Technical Field

[0001] The utility model relates to the technical field related to flotation machines, in particular to a liquid level regulating mechanism and an air flotation machine thereof. Background Art

[0002] Flotation machine is a sewage treatment equipment, mainly used to remove suspended matter, grease and other light pollutants in sewage.

[0003] The flotation machine is mainly divided into contact zone, separation zone and clean water zone according to its functions. In actual engineering use, liquid level control is particularly important. The liquid level control is mainly controlled by the liquid level regulating tank in the clean water zone, and the liquid level position is controlled by the height of the plug plate or float bucket. However, most plug plates or float buckets and the main body are mechanically sealed with rubber plates. This sealing structure is difficult to achieve leakage. Therefore, during the shutdown process, the liquid level of the flotation machine is in a state of slow decline, resulting in incomplete scraping and drainage of scum in the late stage of shutdown, and unclean drainage in the initial stage when restarting. Utility Model Content

[0004] The purpose of the present invention is to provide a liquid level regulating mechanism to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned object, the present invention provides the following technical solutions: a liquid level regulating mechanism, comprising a separation zone, one side of which is arranged in a clear water zone;

[0006] A liquid level control mechanism is provided inside the clean water area, and the liquid level control mechanism includes:

[0007] A drainage trough body, the drainage trough body being arranged inside the clear water area;

[0008] A drainage pipe, one end of which is fixedly connected to the bottom end of the drainage trough body;

[0009] An adjusting component is provided at the top of the drainage trough body and is used to control the position of the drainage trough body;

[0010] A positioning component is connected to the adjusting component.

[0011] Preferably, the adjustment component includes:

[0012] A water inlet plate, the water inlet plate is fixedly connected to the top of the drainage trough body, and a plurality of water inlet grooves are equidistantly opened on the top of the water inlet plate, and the plurality of water inlet grooves are arranged in a ring;

[0013] A rotating plate, wherein a rotating groove is formed on the top of the water inlet plate, and the rotating plate is located inside the rotating groove;

[0014] A screw, one end of which is fixedly connected to the rotating plate, the other end of which is slidably and interlacedly connected to the top of the clear water area, and the positioning assembly is connected to the screw.

[0015] Preferably, the adjustment component further includes:

[0016] Guide rails, wherein a plurality of guide rails are respectively fixedly connected to both sides of the inner wall of the clear water area;

[0017] A slider, the slider being slidably interlaced with the inner cavity of the guide rail;

[0018] A connecting rod, one end of which is fixedly connected to the slider, and the other end of which is fixedly connected to the outer wall of the drainage trough body.

[0019] Preferably, the positioning component includes:

[0020] An annular plate, wherein an annular groove is formed on the top of the clear water area, and the annular plate is located inside the annular groove;

[0021] A handwheel is fixedly connected to the top end of the annular plate, and the other end of the screw is threadably connected to the inner cavity of the handwheel.

[0022] Preferably, the positioning component further includes:

[0023] A positioning rod, wherein a plurality of positioning holes are equidistantly formed at the top of the clear water area, one end of the positioning rod is slidably connected to the inner cavity of the positioning hole, and the other end of the positioning rod is slidably connected to the hand wheel, and the cross section of the positioning rod is L-shaped;

[0024] A pull ring, the pull ring being fixedly sleeved on the outside of the positioning rod;

[0025] A compression spring is sleeved on the outside of the positioning rod.

[0026] Preferably, one end of the compression spring is fixedly connected to the handwheel, and the other end of the compression spring is fixedly connected to the pull ring.

[0027] Another object of the present invention is to provide an air flotation machine, which includes the above-mentioned liquid level regulating mechanism.

[0028] The technical effects and advantages of this utility model are:

[0029] The utility model utilizes the arrangement mode of matching the drainage trough body, drainage pipe, adjustment component and positioning component. The height of the drainage trough body in the clear water area can be adjusted by the adjustment component, so that the water level in the clear water area can be maintained at a position parallel to the opening of the water inlet plate on the drainage trough body, avoiding the situation that the liquid level of the entire flotation machine is in a state of slow decline during the shutdown process, resulting in incomplete scraping and discharge of scum in the late shutdown period, and unclean drainage in the initial stage when restarting. The whole device can stabilize the liquid level of the flotation machine and the water quality of the outlet, without environmental risks, and is easy to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] Figure 1 This is a schematic diagram of the overall front internal structure of the utility model.

[0031] Figure 2 This is a schematic diagram of the internal structure of the liquid level control mechanism of the present invention.

[0032] Figure 3 This is a schematic diagram of the internal structure of the positioning component of the utility model.

[0033] In the figure: 1. Separation area; 2. Clean water area; 3. Liquid level control mechanism; 31. Drain trough; 32. Drain pipe; 33. Adjustment assembly; 331. Water inlet plate; 332. Rotating plate; 333. Screw; 334. Guide rail; 335. Slider; 336. Connecting rod; 34. Positioning assembly; 341. Ring plate; 342. Handwheel; 343. Positioning rod; 344. Pull ring; 345. Compression spring. DETAILED DESCRIPTION

[0034] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0035] The utility model provides Figure 1-3 A liquid level regulating mechanism shown includes a separation zone 1, one side of which is provided with a clean water zone 2;

[0036] Furthermore, a liquid level control mechanism 3 is provided inside the clean water area 2, and the liquid level control mechanism 3 includes: a drainage trough body 31, a drainage pipe 32, an adjustment component 33 and a positioning component 34. The drainage trough body 31 is provided inside the clean water area 2; one end of the drainage pipe 32 is fixedly connected to the bottom end of the drainage trough body 31; the adjustment component 33 is provided at the top end of the drainage trough body 31, and is used to control the position of the drainage trough body 31. The height of the drainage trough body 31 in the clean water area 2 can be adjusted by the adjustment component 33, so that the water level in the clean water area 2 can only be at the drainage trough body at most. The parallel line position of the opening of the water inlet plate 331 on 31 avoids the situation that the liquid level of the entire flotation machine is in a state of slow decline during the shutdown process, resulting in incomplete scraping of scum in the late stage of shutdown and unclean drainage in the initial stage when restarting. The entire device can stabilize the liquid level of the flotation machine and the water quality of the outlet, without environmental risks and easy to use; the positioning component 34 is connected to the adjustment component 33, and the positioning component 34 can limit the position of the adjustment component 33, so that the adjustment component 33 will not easily make the height adjustment of the drainage trough body 31 invalid.

[0037] Specifically, the adjustment component 33 includes: a water inlet plate 331, a rotating plate 332, a screw 333, a guide rail 334, a slider 335 and a connecting rod 336. The water inlet plate 331 is fixedly connected to the top of the drainage trough body 31. The top of the water inlet plate 331 is provided with multiple water inlet grooves at equal distances, and the multiple water inlet grooves are arranged in a ring; the top of the water inlet plate 331 is provided with a rotating groove, and the rotating plate 332 is located inside the rotating groove; one end of the screw 333 is fixedly connected to the rotating plate 332, and the other end of the screw 333 is slidably and interlacedly connected to the top of the clear water area 2, and the positioning component 34 is connected to the screw 333. The plurality of guide rails 334 are respectively fixedly connected to both sides of the inner wall of the clean water area 2; the slider 335 is slidably and interlacedly connected with the inner cavity of the guide rail 334; one end of the connecting rod 336 is fixedly connected to the slider 335, and the other end of the connecting rod 336 is fixedly connected to the outer wall of the drainage trough body 31. Through the rotation of the screw 333, the rotating plate 332 can drive the water inlet plate 331 to slide along the guide rail 334 inside the clean water area 2 through the slider 335 on the connecting rod 336, thereby adjusting the height of the water inlet plate 331 so that the water level inside the clean water area 2 will be maintained at the same height as the opening position of the water inlet trough of the water inlet plate 331, avoiding the situation that the liquid level of the entire flotation machine is in a state of slow decline during the shutdown process, resulting in incomplete scraping of scum in the late shutdown period, and the occurrence of unclean drainage in the initial stage when restarted.

[0038] Specifically, the positioning assembly 34 includes: an annular plate 341, a handwheel 342, a positioning rod 343, a pull ring 344 and a compression spring 345. An annular groove is provided at the top of the clean water area 2, and the annular plate 341 is located inside the annular groove; the handwheel 342 is fixedly connected to the top of the annular plate 341, and the other end of the screw 333 is connected to the inner cavity thread of the handwheel 342. The handwheel 342 can be rotated above the clean water area 2 through the annular plate 341, so that the screw 333 can drive the water inlet plate 331 and the water inlet trough body 31 to move in the vertical direction. When the handle 342 is in the closed position, the cam 343 is in the closed position, and the cam 343 is in the open position, so that the cam 343 can be rotated in an unsteady manner.

[0039] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent replacements for some of the technical features therein. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A liquid level regulating mechanism, comprising: A separation zone (1), wherein one side of the separation zone (1) is provided in the clear water zone (2); The invention is characterized in that a liquid level control mechanism (3) is provided inside the clean water area (2), and the liquid level control mechanism (3) comprises: A drainage trough body (31), wherein the drainage trough body (31) is arranged inside the clear water area (2); A drainage pipe (32), one end of which is fixedly connected to the bottom end of the drainage trough body (31); An adjusting component (33), the adjusting component (33) being arranged at the top end of the drainage trough body (31) and being used to control the position of the drainage trough body (31); A positioning component (34) is connected to the adjustment component (33).

2. A liquid level regulating mechanism according to claim 1, characterized in that: The regulating assembly (33) comprises: A water inlet plate (331), the water inlet plate (331) is fixedly connected to the top of the drainage trough body (31), and a plurality of water inlet grooves are equidistantly formed on the top of the water inlet plate (331), and the plurality of water inlet grooves are arranged in a ring shape; A rotating plate (332), wherein a rotating groove is formed at the top of the water inlet plate (331), and the rotating plate (332) is located inside the rotating groove; A screw rod (333), one end of the screw rod (333) is fixedly connected to the rotating plate (332), the other end of the screw rod (333) is slidably connected to the top end of the clear water area (2), and the positioning assembly (34) is connected to the screw rod (333).

3. A liquid level regulating mechanism according to claim 2, characterized in that: The regulating assembly (33) further comprises: Guide rails (334), wherein a plurality of guide rails (334) are respectively fixedly connected to both sides of the inner wall of the clear water area (2); A slider (335), wherein the slider (335) is slidably connected to the inner cavity of the guide rail (334); A connecting rod (336), one end of which is fixedly connected to the slider (335), and the other end of which is fixedly connected to the outer wall of the drainage trough body (31).

4. A liquid level regulating mechanism according to claim 2, characterized in that: The positioning assembly (34) comprises: An annular plate (341), wherein an annular groove is formed at the top of the clean water area (2), and the annular plate (341) is located inside the annular groove; A hand wheel (342) is fixedly connected to the top end of the annular plate (341), and the other end of the screw rod (333) is threadedly connected to the inner cavity of the hand wheel (342).

5. A liquid level regulating mechanism according to claim 4, characterized in that: The positioning assembly (34) further comprises: A positioning rod (343), wherein a plurality of positioning holes are equidistantly formed at the top of the clear water area (2), one end of the positioning rod (343) is slidably connected to the inner cavity of the positioning hole, and the other end of the positioning rod (343) is slidably connected to the hand wheel (342), and the cross section of the positioning rod (343) is L-shaped; A pull ring (344), wherein the pull ring (344) is fixedly sleeved on the outside of the positioning rod (343); A compression spring (345) is sleeved on the outside of the positioning rod (343).

6. A liquid level regulating mechanism according to claim 5, characterized in that: One end of the compression spring (345) is fixedly connected to the hand wheel (342), and the other end of the compression spring (345) is fixedly connected to the pull ring (344).

7. An air flotation machine, characterized in that: The flotation machine includes the liquid level regulating mechanism according to any one of claims 1 to 6.

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