A jet-type flotation device for sewage treatment

Abstract

The utility model discloses an air flotation device for jet-type sewage treatment, which relates to the technical field of sewage treatment, including an air flotation tank and a blower, and also includes: an aeration mechanism, one end of which is connected to the air flotation tank and the other end is connected to the blower; a rotating plate, which is rotatably connected to the inner wall of the air flotation tank and is rotatably connected to the aeration mechanism; a rotating mechanism, one end of which is connected to the air flotation tank and the other end is connected to the aeration mechanism; and a cleaning mechanism, which is connected to the top of the aeration mechanism. The aeration mechanism sends the airflow blown by the blower into the sewage to generate tiny bubbles, which push the particulate pollutants in the sewage to float to the surface of the water body, so as to separate the solid and liquid. The rotating mechanism drives the aeration mechanism to rotate to increase the aeration range, thereby improving the solid-liquid separation effect. The cleaning mechanism cleans the aeration mechanism to prevent impurities from clogging the aeration mechanism, and solves the problem that the aeration head is fixedly set in the prior art, the aeration range is limited, and the floating rate of impurities far away from the aeration head is slow.

Description

Technical Field

[0001] The utility model relates to the technical field of sewage treatment, in particular to a jet-type air flotation device for sewage treatment. Background Art

[0002] During the industrial processing, some washing and sewage discharge structures generate a large amount of sewage. Direct discharge of sewage to the outside will cause great pollution to the environment. With the improvement of industrial environmental protection processing requirements, it is generally necessary to treat industrial sewage to meet the standards before it can be discharged. There are many existing sewage treatment methods, some of which use air flotation structures to incorporate bubbles into sewage. The bubbles push the particulate pollutants in the sewage to float to the surface of the water body, so that the solid and liquid are separated, thereby achieving the effect of decontamination.

[0003] In the prior art, the aeration head is fixedly arranged and the aeration range is limited, so that the floating rate of impurities far away from the aeration head is slow. Therefore, there is an urgent need for a jet-type flotation device for sewage treatment to solve the above problems. Utility Model Content

[0004] The purpose of the embodiment of the utility model is to provide a jet-type flotation device for sewage treatment to solve the problems raised in the above-mentioned background technology.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A jet-type flotation device for sewage treatment, comprising an air flotation tank and a blower, wherein the blower is arranged at the bottom of the air flotation tank, and further comprising:

[0007] An aeration mechanism, one end of which is connected to the air flotation tank, and the other end of which is connected to the blower;

[0008] The rotating plate is rotatably connected to the inner wall of the air flotation tank and is rotatably connected to the aeration mechanism;

[0009] A rotating mechanism, one end of which is connected to the air flotation tank, and the other end of which is connected to the aeration mechanism;

[0010] The cleaning mechanism is connected to the top of the aeration mechanism.

[0011] As a further solution of the utility model: the aeration mechanism comprises:

[0012] A connecting sleeve connected to the air flotation tank and internally communicated with the output end of the blower;

[0013] A connecting pipe is rotatably connected to the connecting sleeve and communicated with the interior thereof;

[0014] A rotating frame is connected to the top of the connecting pipe and communicated with the inside thereof, and the rotating frame is rotatably connected to the rotating plate;

[0015] The air outlet plate has a bottom end connected to the top of the rotating frame and communicated with the interior thereof;

[0016] An air outlet head is rotatably connected to the air outlet plate, and the air outlet head is provided with a plurality of groups of air outlet holes;

[0017] The rotating blade is arranged inside the air outlet plate and connected with the air outlet head.

[0018] As a further solution of the utility model: the rotating mechanism includes:

[0019] A driving member is connected to the air flotation tank, and an output end thereof is connected to the bottom end of the connecting pipe;

[0020] A gear connected to the rotating frame;

[0021] The gear ring is connected to the flotation tank and meshes with the gear.

[0022] As a further solution of the utility model: the cleaning mechanism comprises:

[0023] A connecting rod connected to the top of the air outlet plate;

[0024] A telescopic member, the top end of which is connected to the top end of the connecting rod;

[0025] A folding rod connected to the bottom end of the telescopic member;

[0026] A stirring rod connected to the folding rod, wherein the stirring rod is provided in a plurality of groups;

[0027] The brush is connected to the bottom end of the folding rod and abuts against two sides of the air outlet plate.

[0028] Compared with the prior art, the beneficial effects of the utility model are:

[0029] The utility model sends the airflow blown by the blower into the sewage through the aeration mechanism to generate tiny bubbles, which push the particulate pollutants in the sewage to float to the surface of the water body, so as to separate the solid and liquid. The rotating mechanism drives the aeration mechanism to rotate to increase the aeration range, thereby improving the solid-liquid separation effect. The cleaning mechanism cleans the aeration mechanism to prevent impurities from clogging the aeration mechanism and affecting the subsequent aeration effect. The utility model solves the problem that the aeration head is fixed in the prior art, the aeration range is limited, and the floating rate of impurities far away from the aeration head is slow. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] Figure 1 It is a structural schematic diagram of a jet-type flotation device for sewage treatment in an embodiment of the utility model.

[0031] Figure 2 for Figure 1 A schematic diagram of the enlarged structure at point A in the middle.

[0032] Figure 3It is a three-dimensional diagram of the air outlet head in the embodiment of the utility model.

[0033] In the figure: 1, flotation tank; 2, blower; 3, connecting sleeve; 4, connecting pipe; 5, rotating frame; 6, rotating plate; 7, air outlet plate; 8, air outlet head; 9, rotating blade; 10, driving member; 11, gear; 12, gear ring; 13, connecting rod; 14, telescopic member; 15, folding rod; 16, stirring rod; 17, brush; 18, sliding sleeve. DETAILED DESCRIPTION

[0034] 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 of 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.

[0035] In the present utility model embodiment, please refer to Figures 1 to 3 , a jet-type flotation device for sewage treatment, comprising an air flotation tank 1 and a blower 2, wherein the blower 2 is arranged at the bottom of the air flotation tank 1, and further comprising:

[0036] An aeration mechanism, one end of which is connected to the air flotation tank 1, and the other end of which is connected to the blower 2;

[0037] The rotating plate 6 is rotatably connected to the inner wall of the flotation tank 1 and is rotatably connected to the aeration mechanism;

[0038] A rotating mechanism, one end of which is connected to the air flotation tank 1, and the other end of which is connected to the aeration mechanism;

[0039] The cleaning mechanism is connected to the top of the aeration mechanism.

[0040] The aeration mechanism is used to send the airflow blown by the blower 2 into the sewage to generate tiny bubbles, which push the particulate pollutants in the sewage to float to the surface of the water body, so as to separate the solid and liquid. The rotating mechanism drives the aeration mechanism to rotate to increase the aeration range, thereby improving the solid-liquid separation effect. The cleaning mechanism is used to clean the aeration mechanism to prevent impurities from clogging the aeration mechanism and affecting the subsequent aeration effect.

[0041] As an embodiment of the present invention, please refer to Figures 1 to 3 , the aeration mechanism comprises:

[0042] The connecting sleeve 3 is connected to the flotation tank 1 and is internally communicated with the output end of the blower 2;

[0043] The connecting pipe 4 is rotatably connected to the connecting sleeve 3 and communicated with the interior thereof;

[0044] A rotating frame 5 is connected to the top of the connecting pipe 4 and communicated with the inside thereof, and the rotating frame 5 is rotatably connected to the rotating plate 6;

[0045] The air outlet plate 7 has a bottom end connected to the top of the rotating frame 5 and communicated with the interior thereof;

[0046] An air outlet head 8 is rotatably connected to the air outlet plate 7, and the air outlet head 8 is provided with a plurality of groups of air outlet holes;

[0047] The rotating blade 9 is arranged inside the air outlet plate 7 and connected to the air outlet head 8 .

[0048] The blower 2 works to blow out air flow, which enters the interior of the air outlet plate 7 through the connecting sleeve 3, the connecting pipe 4, and the rotating frame 5, and then flows out through the air outlet holes on the air outlet head 8 to generate tiny bubbles, which push the particulate pollutants in the sewage to float to the surface of the water body, thereby separating the solid and the liquid. At the same time, the air flow blows the rotating blades 9 to rotate, and the rotating blades 9 drive the air outlet head 8 to rotate, changing the outflow direction of the bubbles, increasing the aeration range, and thus improving the solid-liquid separation effect.

[0049] In this embodiment, the rotating blades 9 are arc-shaped to ensure that the rotating blades 9 can rotate driven by the airflow.

[0050] As an embodiment of the present invention, please refer to Figure 1 , the rotating mechanism comprises:

[0051] The driving member 10 is connected to the flotation tank 1, and the output end is connected to the bottom end of the connecting pipe 4;

[0052] Gear 11, connected to the rotating frame 5;

[0053] The gear ring 12 is connected to the flotation tank 1 and meshes with the gear 11 .

[0054] The driving member 10 drives the connecting pipe 4 to rotate, the connecting pipe 4 drives the rotating frame 5 to revolve, the rotating frame 5 drives the gear 11 to revolve, the gear 11 meshes with the gear ring 12, so that the gear 11 rotates at the same time, the gear 11 drives the rotating frame 5 to rotate, so that the rotating frame 5 drives the air outlet plate 7 to rotate and revolve at the same time, stirring the sewage while increasing the turbulence of the airflow, and accelerating the efficiency of the fusion of microbubbles and solid particles in the sewage. The driving member 10 can be a stepping motor, a servo motor, etc.

[0055] As an embodiment of the present invention, please refer to Figure 1 and Figure 2 , the cleaning mechanism comprises:

[0056] A connecting rod 13 is connected to the top of the air outlet plate 7;

[0057] The top end of the telescopic member 14 is connected to the top end of the connecting rod 13;

[0058] A folding rod 15 connected to the bottom end of the telescopic member 14;

[0059] A stirring rod 16 connected to the folding rod 15, wherein the stirring rod 16 is provided in a plurality of groups;

[0060] The brush 17 is connected to the bottom end of the folding rod 15 and abuts against both sides of the air outlet plate 7 .

[0061] The telescopic member 14 drives the folding rod 15 to reciprocate longitudinally, and the folding rod 15 drives the brush 17 and the stirring rod 16 to reciprocate longitudinally. The brush 17 scrapes off the impurities adhering to the gas outlet plate 7 to avoid clogging of the gas outlet head 8 and affecting the subsequent aeration effect. At the same time, the gas outlet plate 7 drives the connecting rod 13 to rotate synchronously, and then drives the stirring rod 16 to rotate synchronously. The stirring rod 16 stirs the sewage, which can accelerate the efficiency of the fusion of microbubbles and solid particles in the sewage. The telescopic member 14 can be a cylinder, an electric telescopic rod, etc.

[0062] As an embodiment of the present invention, please refer to Figure 1 , also includes:

[0063] The sliding sleeve 18 is connected to the top end of the folding rod 15 and is slidably connected to the connecting rod 13 .

[0064] The sliding sleeve 18 is provided to ensure that the folding rod 15 can move stably in the longitudinal direction on the connecting rod 13, thereby ensuring that the brush 17 can move stably in the longitudinal direction.

[0065] The working principle of the utility model is as follows: the blower 2 works to blow out airflow, the airflow passes through the connecting sleeve 3, the connecting pipe 4, and the rotating frame 5 to enter the interior of the air outlet plate 7, and then flows out through the air outlet holes on the air outlet head 8 to generate tiny bubbles, pushing the particle pollutants in the sewage to float to the surface of the water body, so that the solid and liquid are separated. At the same time, the airflow blows the rotating blade 9 to rotate, and the rotating blade 9 drives the air outlet head 8 to rotate, changing the outflow direction of the bubbles, increasing the aeration range, thereby improving the solid-liquid separation effect, the driving member 10 drives the connecting pipe 4 to rotate, the connecting pipe 4 drives the rotating frame 5 to revolve, the rotating frame 5 drives the gear 11 to revolve, the gear 11 is meshed with the gear ring 12, so that the gear 11 rotates at the same time, and the gear The wheel 11 drives the rotating frame 5 to rotate, so that the rotating frame 5 drives the air outlet plate 7 to rotate and revolve at the same time, thereby stirring the sewage and increasing the turbulence of the airflow, thereby accelerating the efficiency of the fusion of microbubbles with solid particles in the sewage. The telescopic member 14 drives the folding rod 15 to reciprocate longitudinally, and the folding rod 15 drives the brush 17 and the stirring rod 16 to reciprocate longitudinally. The brush 17 scrapes off impurities adhered to the air outlet plate 7 to avoid clogging of the air outlet head 8 and affecting the subsequent aeration effect. At the same time, the air outlet plate 7 drives the connecting rod 13 to rotate synchronously, thereby driving the stirring rod 16 to rotate synchronously. The stirring rod 16 stirs the sewage, thereby further accelerating the efficiency of the fusion of microbubbles with solid particles in the sewage.

[0066] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-limiting from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims are included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

[0067] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A jet-type flotation device for sewage treatment, comprising a flotation tank and a blower, wherein the blower is arranged at the bottom of the flotation tank, characterized in that: Also includes: An aeration mechanism, one end of which is connected to the air flotation tank, and the other end of which is connected to the blower; A rotating plate is rotatably connected to the inner wall of the air flotation tank and is rotatably connected to the aeration mechanism; A rotating mechanism, one end of which is connected to the air flotation tank, and the other end of which is connected to the aeration mechanism; The cleaning mechanism is connected to the top of the aeration mechanism.

2. The jet-type flotation device for sewage treatment according to claim 1, characterized in that: The aeration mechanism comprises: A connecting sleeve connected to the air flotation tank and internally communicated with the output end of the blower; A connecting pipe is rotatably connected to the connecting sleeve and communicated with the interior thereof; A rotating frame is connected to the top of the connecting pipe and communicated with the inside thereof, and the rotating frame is rotatably connected to the rotating plate; The air outlet plate has a bottom end connected to the top of the rotating frame and communicated with the interior thereof; An air outlet head is rotatably connected to the air outlet plate, and the air outlet head is provided with a plurality of groups of air outlet holes; The rotating blade is arranged inside the air outlet plate and connected with the air outlet head.

3. The jet-type flotation device for sewage treatment according to claim 2, characterized in that: The rotating mechanism comprises: A driving member is connected to the air flotation tank, and an output end thereof is connected to the bottom end of the connecting pipe; A gear connected to the rotating frame; The gear ring is connected to the flotation tank and meshes with the gear.

4. The jet-type flotation device for sewage treatment according to claim 2, characterized in that: The cleaning mechanism comprises: A connecting rod connected to the top of the air outlet plate; A telescopic member, the top end of which is connected to the top end of the connecting rod; A folding rod connected to the bottom end of the telescopic member; A stirring rod connected to the folding rod, wherein the stirring rod is provided in a plurality of groups; The brush is connected to the bottom end of the folding rod and abuts against two sides of the air outlet plate.

5. The jet-type flotation device for sewage treatment according to claim 4, characterized in that: Also includes: The sliding sleeve is connected to the top end of the folding rod and is slidably connected to the connecting rod.

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