CN215364987U

CN215364987U - Air-flotation oil removing device for oily sewage

Info

Publication number: CN215364987U
Application number: CN202121824538.6U
Authority: CN
Inventors: 马伟刚
Original assignee: Shanghai Youbijing Environmental Protection Technology Co Ltd
Current assignee: Shanghai Youbijing Environmental Protection Technology Co Ltd
Priority date: 2021-08-06
Filing date: 2021-08-06
Publication date: 2021-12-31
Anticipated expiration: 2031-08-06

Abstract

The utility model discloses an air-flotation oil removing device for oily sewage, which relates to the technical field of oily sewage treatment and solves the problems that a large amount of waste residues are deposited at the bottom of an air-flotation tank after the air-flotation tank is used for a long time, the air-flotation tank is not easy to clean manually, the floating slag on the surface of raw water in the air-flotation tank is poor in collecting effect of a collecting hopper, the flow rate of the raw water is unstable, the raw water is splashed, and the treatment effect of the floating slag is influenced. According to the floating slag collecting device, power is provided by the motor, the rotating frame can be driven to rotate along the top end of the side wall of the floating tank, sediment in the floating tank is scraped through the overflow plate, the floating tank is effectively cleaned, and meanwhile, the floating slag and raw water in the floating tank are separated by the collecting hopper, so that the floating slag is better collected, the using process is simple, and the control and management are convenient.

Description

Air-flotation oil removing device for oily sewage

Technical Field

The utility model relates to the technical field of oily sewage treatment, in particular to an air-flotation oil removing device for oily sewage.

Background

The principle of air-float oil-removing is mainly characterized by that it utilizes the characteristics of that surface tension between oil and water is greater than surface tension between oil and gas, oil is hydrophobic and gas phase is relatively hydrophilic, and the air is passed through the sewage, at the same time the flotation agent (mainly surfactant and polymer) is added to make oil particles adhere to the bubbles, and the bubbles can adsorb oil and suspended matter and float to water surface so as to attain the goal of separation, and the air-float method mainly can remove residual floating oil and dispersing oil containing no surfactant.

Present oily sewage's air supporting deoiling device, patent like application number CN201921771746.7, including the air supporting pond, the clean water reservoir, the oil trap, the overflow plate, communicating pipe, flow control valve, the spray pipe, the baffle, dissolve the air pump, first dissolve the gas diffusion tube, the second dissolves the gas diffusion tube, the sewage inlet tube, be provided with the edulcoration branch pipe of slope orientation air supporting pond one side on the sewage inlet tube, the position department that just is located the edulcoration branch pipe in the sewage inlet tube is provided with the filter screen, the extending direction of filter screen is parallel with the extending direction of edulcoration branch pipe, the one end of filter screen is located in removing miscellaneous branch pipe, the cross-section semicircular in shape of filter screen, one side that the edulcoration branch pipe was kept away from to the sewage inlet tube is provided with accomodates the pipe, the one end department that the edulcoration branch pipe was kept away from to the filter screen is provided with the impurity collection portion of embedding in accomodating, the one end department that the sewage inlet pipe was kept away from to the edulcoration branch pipe is provided with opens and close the subassembly.

To the correlation technique among the above-mentioned, the inventor thinks that the air supporting pond can deposit a large amount of waste residues at the bottom of the pool after using for a long time, and the manual work is difficult to clear up the air supporting pond, wastes time and energy, and it is relatively poor to collect the dross separation effect of fighting raw water surface in the air supporting pond in addition, controls the management and is more troublesome, and the raw water velocity of flow is unstable simultaneously, can lead to the raw water to take place to splash, influences the treatment effect of dross.

SUMMERY OF THE UTILITY MODEL

The utility model provides an oil-containing sewage air-flotation oil removing device, which aims to solve the problems that a large amount of waste residues can be deposited at the bottom of an air-flotation tank after the air-flotation tank is used for a long time, the air-flotation tank is difficult to clean manually, time and labor are wasted, the floating slag on the surface of raw water in the air-flotation tank is poor in separation effect of a collecting hopper, the operation and control management are troublesome, and meanwhile, the raw water is splashed due to unstable flow velocity, so that the treatment effect of the floating slag is influenced.

The utility model provides an air flotation oil removing device for oily sewage, which adopts the following technical scheme:

an air-flotation oil removing device for oily sewage comprises an air-flotation tank, wherein the air-flotation tank is of a cylindrical cavity structure, a toothed ring is arranged at the top of the inner circumferential surface of the side wall of the air-flotation tank, a scum cylinder is arranged at the center of the cavity of the air-flotation tank, a rotating frame is arranged between the scum cylinder and the side wall of the air-flotation tank, a communicating pipe is arranged at the top of the rotating frame, three water distribution plates are arranged at the bottom of the rotating frame, overflow plates are arranged on two sides of each water distribution plate, a motor is arranged at the top of the rotating frame, a collecting hopper is arranged on one side of the motor, and the collecting hopper is positioned between the scum cylinder and the side wall of the air-flotation tank; the scum section of thick bamboo advances the pipe including spacing ring and clear water, a scum section of thick bamboo is cylindricality cavity structure, and scum section of thick bamboo cavity inner wall fixed mounting has the spacing ring, scum section of thick bamboo central point puts and is equipped with the clear water and advances the pipe, and the clear water advances the pipe and be vertical mode distribution to the clear water advances the pipe and communicates with each other with communicating pipe.

Through adopting above-mentioned technical scheme, provide power by the motor, can drive the rotating turret and rotate along air supporting pond lateral wall top, strike off the deposit in air supporting pond through the overflow plate, effectively clear up the air supporting pond, the motor provides power simultaneously, can drive to collect and fight scum and the raw water of air supporting pond and separate to better collect the scum, its use is simple, is convenient for control the management.

Optionally, the rotating frame includes backup pad, first gyro wheel and second gyro wheel, rotating frame one side is regular hexagon frame, and frame inboard fixed mounting has six backup pads to the backup pad bottom is rotated and is connected with first gyro wheel, first gyro wheel is located between dross section of thick bamboo inner wall and the spacing ring, and the rotating frame passes through first gyro wheel and spacing ring roll connection, rotating frame opposite side bottom is equipped with two second gyro wheels, and the second gyro wheel is located air supporting pond lateral wall top, and the rotating frame passes through second gyro wheel and air supporting pond roll connection.

Through adopting above-mentioned technical scheme, because the rotating turret bottom both sides are equipped with first gyro wheel and second gyro wheel respectively, the rotating turret passes through rolling mode operation, can reduce the friction, and the operation is more stable.

Optionally, the motor includes first bevel gear, first band pulley, second bevel gear and straight-tooth gear, the pivot tip of motor is equipped with first band pulley, be equipped with first bevel gear in the pivot of motor, and first bevel gear below meshing is connected with second bevel gear, second bevel gear bottom is equipped with the pivot, and second bevel gear's pivot runs through the rotating turret and the tip is equipped with the gear, and the straight-tooth gear is connected with the ring gear meshing moreover.

Through adopting above-mentioned technical scheme, this device is provided power by the motor, makes the rotating turret and collect the operation of fighting, does not need complicated drive assembly, only needs control motor operation can accomplish.

Optionally, the collecting hopper comprises a shaft rod and a second belt wheel, the collecting hopper is composed of two half cylindrical grooves, the shaft rod is arranged in the middle of the collecting hopper and is rotatably connected with the rotating frame through a bearing, the second belt wheel is arranged at the end of the shaft rod, and the second belt wheel is in transmission connection with the first belt wheel through a belt.

Through adopting above-mentioned technical scheme, collect the fill and rotate the in-process, utilize two cylindrical slots of collecting the fill to rotate scum and the raw water separation to the air supporting pond to better collect the scum.

Optionally, the communicating pipe includes a water distribution tank and a water diversion pipe, the water distribution tank is of a rectangular cavity structure, the water distribution tank is fixedly mounted at the bottom end of the rotating frame, the water distribution tank is communicated with the communicating pipe, the water diversion pipes are arranged in the rectangular cavity of the water distribution tank, and the water diversion pipes are located above the water diversion plate.

By adopting the technical scheme, the clear water is shunted through the shunt pipe, so that the clear water is matched with the shunt plate below the shunt pipe, the utilization of the clear water can be improved, and the waste is avoided.

Optionally, the diversion plate includes filter screen and logical groove, and three the diversion plate is the arc structure, and the diversion plate is close to and is equipped with the filter screen between the tip to the filter screen can be dismantled with the diversion plate through the mode of embedding and be connected, logical groove has been seted up to another tip position of diversion plate, and leads to groove and a dross section of thick bamboo and advance the slag notch position phase-match.

Through adopting above-mentioned technical scheme, utilize the board that divides water to shunt the raw water, set up the filter screen moreover, further improve the treatment effect to the dross.

Optionally, the overflow plate includes preceding scraper blade, backplate and water conservancy diversion piece, preceding scraper blade and backplate are located the water diversion plate both ends respectively, and preceding scraper blade is the symmetric mode with the backplate and distributes, rectangular through-hole has been seted up to preceding scraper blade, and is equipped with the water conservancy diversion piece in the through-hole to the water conservancy diversion piece is parallel mode and distributes.

By adopting the technical scheme, the guide vane is arranged, so that the guide effect on raw water is achieved, and splashing caused by overlarge water flow speed is avoided.

In summary, the utility model includes at least one of the following advantages:

1. the motor provides power to drive the rotating frame to rotate along the top end of the side wall of the air floatation tank, the overflow plate scrapes off sediments in the air floatation tank, the air floatation tank is effectively cleaned, and the motor provides power to drive the collecting hopper to separate floating slag and raw water in the air floatation tank, so that the floating slag is better collected, the use process is simple, and the control and management are convenient;

2. utilize the water diversion board to shunt the raw water, make the raw water velocity of flow more stable, set up the filter screen moreover, further improve the treatment effect to the dross to owing to set up the water conservancy diversion piece, play the water conservancy diversion effect to the raw water, avoid the too big emergence of velocity of water to splash.

Drawings

FIG. 1 is a schematic overall structure diagram of a first embodiment of the present invention;

FIG. 2 is a rear structural view of an air flotation tank, a scum cylinder and a water diversion plate according to a first embodiment of the present invention;

FIG. 3 is a schematic view of a rotated view angle structure shown in FIG. 2 according to an embodiment of the present invention;

fig. 4 is a schematic structural view of an air flotation tank, a scum cylinder and a water diversion plate according to a second embodiment of the present invention.

Description of reference numerals: 1. an air floatation tank; 101. a toothed ring; 2. a scum cylinder; 201. a limiting ring; 202. clear water enters the pipe; 203. a slag inlet; 3. a rotating frame; 301. a support plate; 302. a first roller; 303. a second roller; 4. a motor; 401. a first bevel gear; 402. a first pulley; 403. a spur gear; 5. a collecting hopper; 501. a shaft lever; 502. a second pulley; 6. a communicating pipe; 601. a water distribution tank; 602. a water diversion pipe; 7. a water diversion plate; 701. a filter screen; 702. a through groove; 8. an overflow plate; 801. a front squeegee; 802. a tailgate; 803. and a flow deflector.

Detailed Description

The utility model is described in further detail below with reference to figures 1-4.

The first embodiment is as follows:

the embodiment of the utility model discloses an air floatation oil removal device for oily sewage. Referring to fig. 1, the floating device comprises a floating tank 1, wherein the floating tank 1 is of a cylindrical cavity structure, a toothed ring 101 is arranged at the top of the inner circumferential surface of the side wall of the floating tank 1, the toothed ring 101 is fixedly connected with the floating tank 1 in an embedded mode, a scum cylinder 2 is arranged at the center of the cavity of the floating tank 1, and a rotating frame 3 is arranged between the scum cylinder 2 and the side wall of the floating tank 1; the rotating frame 3 comprises a supporting plate 301, a first roller 302 and a second roller 303, one side of the rotating frame 3 is a regular hexagon frame, six supporting plates 301 are arranged on the inner side of the frame, the supporting plate 301 is fixedly connected with the rotating frame 3 in a welding mode, the bottom of the supporting plate 301 is rotatably connected with the first roller 302 through a rotating shaft, the first roller 302 is positioned between the inner wall of the scum cylinder 2 and the limiting ring 201, when the rotating frame 3 does circular motion by taking the clear water inlet pipe 202 as an axis, the rotating frame 3 is in rolling connection with the limiting ring 201 through the first roller 302, the bottom of the other side of the rotating frame 3 is provided with two second rollers 303, the second rollers 303 are rotatably connected with the rotating frame 3 through rotating shafts, the second rollers 303 are positioned at the top of the side wall of the air flotation tank 1, and the rotating frame 3 is in rolling connection with the air flotation tank 1 through the second rollers 303, because the first roller 302 and the second rollers 303 are respectively arranged on the two sides of the bottom of the rotating frame 3, the rotating frame 3 runs in a rolling mode, so that friction can be reduced, and the running is more stable; the top of the rotating frame 3 is provided with a communicating pipe 6, the communicating pipe 6 is connected with the rotating frame 3 through a flange assembly, the bottom of the rotating frame 3 is provided with three water distribution plates 7, two sides of each water distribution plate 7 are provided with overflow plates 8, the top of the rotating frame 3 is provided with a motor 4, the motor 4 is fixedly connected with the rotating frame 3 through bolts, one side of the motor 4 is provided with a collecting hopper 5, and the collecting hopper 5 is positioned between the scum cylinder 2 and the side wall of the air flotation tank 1; the scum barrel 2 comprises a limiting ring 201, a clear water inlet pipe 202 and a scum inlet 203, the scum barrel 2 is of a cylindrical cavity structure, the limiting ring 201 is fixedly mounted on the inner wall of the cavity of the scum barrel 2, the limiting ring 201 is connected with the inner wall of the cavity of the scum barrel 2 in a welding mode, the clear water inlet pipe 202 is arranged at the center of the scum barrel 2, the clear water inlet pipe 202 is distributed in a vertical mode, the clear water inlet pipe 202 is communicated with the communicating pipe 6 through a flange assembly, and an external high-pressure water pipe is communicated with the clear water inlet pipe 202 to supply clear water for the device, and the structure is more compact; communicating pipe 6 includes water distribution tank 601 and distributive pipe 602, water distribution tank 601 is the rectangle cavity structure, and water distribution tank 601 passes through welded mode fixed mounting in the 3 bottoms of rotating turret, and water distribution tank 601 communicates with each other through flange subassembly and communicating pipe 6, be equipped with four distributive pipes 602 in the rectangle cavity of water distribution tank 601, and distributive pipe 602 is located distributive plate 7 top, shunt the clear water through distributive pipe 602, make its and the distributive plate 7 phase-match of below, can improve the utilization to the clear water, avoid extravagant.

Referring to fig. 2 and 3, the motor 4 includes a first bevel gear 401, a first belt pulley 402, a second bevel gear 403 and a spur gear 404, the first belt pulley 402 is fixedly installed at the end of a rotating shaft of the motor 4, the first bevel gear 401 is fixedly installed on the rotating shaft of the motor 4, the second bevel gear 403 is connected below the first bevel gear 401 in a meshing manner, the rotating shaft is fixedly installed at the bottom of the second bevel gear 403, the rotating shaft of the second bevel gear 403 penetrates through the rotating frame 3, the gear 404 is arranged at the end of the rotating shaft, and the spur gear 404 is connected with the gear ring 101 in a meshing manner.

Referring to fig. 2 and 3, the collecting hopper 5 includes a shaft 501 and a second belt wheel 502, the collecting hopper 5 is composed of two half cylindrical grooves, the shaft 501 is fixedly installed in the middle of the collecting hopper 5, the shaft 501 is rotatably connected with the rotating frame 3 through a bearing, the second belt wheel 502 is fixedly installed at the end of the shaft 501, the second belt wheel 502 is in transmission connection with the first belt wheel 402 through a belt, and the collecting hopper 5 separates scum from raw water in the air flotation tank 1 by using the two cylindrical grooves of the collecting hopper 5 in the rotating process, so that the scum is better collected.

The implementation principle of the air flotation oil removing device for oily sewage in the first embodiment of the utility model is as follows:

provide power by motor 4, can drive rotating turret 3 and rotate along 1 lateral wall top in air supporting pond, strike off the deposit in air supporting pond 1 through overflow plate 8, effectively clear up air supporting pond 1, motor 4 provides power simultaneously, can drive and collect scuttle and the raw water of fighting 5 to air supporting pond 1 and separate to better collect the dross, its use is simple, is convenient for control the management.

Example two:

referring to fig. 4, the water diversion plate 7 comprises a filter screen 701 and through grooves 702, the water diversion plate 7 at three positions is of an arc-shaped structure, the filter screen 701 is arranged between the end parts of the water diversion plate 7 close to the water diversion plate 7, the filter screen 701 is detachably connected with the water diversion plate 7 in an embedded mode, the through grooves 702 are formed in the other end part of the water diversion plate 7, and the through grooves 702 are matched with the slag inlet of the scum barrel 2;

the overflow plate 8 comprises a front scraper 801, a rear baffle 802 and flow deflectors 803, the front scraper 801 and the rear baffle 802 are respectively positioned at two ends of the water distribution plate 7, the front scraper 801 and the rear baffle 802 are symmetrically distributed, the front scraper 801 is provided with a rectangular through hole, the flow deflectors 803 are arranged in the through hole, and the flow deflectors 803 are distributed in a parallel manner; utilize water diversion plate 7 to shunt the raw water, make the raw water velocity of flow more stable, set up filter screen 701 in addition, further improve the treatment effect to the dross to owing to set up water conservancy diversion piece 803, play the water conservancy diversion effect to the raw water, avoid the too big emergence of velocity of water to splash.

The above are all preferred embodiments of the present invention, and the protection scope of the present invention is not limited thereby, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered by the protection scope of the utility model.

Claims

1. The utility model provides an air supporting deoiling device of oily sewage which characterized in that: including air supporting pond (1), air supporting pond (1) is cylindricality cavity structure, and air supporting pond (1) lateral wall inner peripheral surface top position is equipped with ring gear (101), air supporting pond (1) cavity central point puts and is equipped with a dross section of thick bamboo (2), and is equipped with rotating turret (3) between a dross section of thick bamboo (2) and air supporting pond (1) lateral wall, rotating turret (3) top is equipped with motor (4), and motor (4) one side is equipped with collects and fights (5) to it is located between a dross section of thick bamboo (2) and air supporting pond (1) lateral wall to collect and fight (5), rotating turret (3) top is equipped with communicating pipe (6), rotating turret (3) bottom is equipped with three punishment water board (7), and water board (7) both sides are equipped with overflow board (8).

2. The air flotation oil removing device for oily sewage according to claim 1, which is characterized in that: a dross section of thick bamboo (2) advance pipe (202) and advance cinder notch (203) including spacing ring (201), clear water, a dross section of thick bamboo (2) are cylindricality cavity structure, and a dross section of thick bamboo (2) lateral wall has seted up into cinder notch (203) to a dross section of thick bamboo (2) cavity inner wall fixed mounting has spacing ring (201), a dross section of thick bamboo (2) central point puts and is equipped with the clear water and advances pipe (202), and the clear water advances pipe (202) and is vertical mode distribution, and the clear water advances pipe (202) and communicates with each other communicating pipe (6).

3. The air flotation oil removing device for oily sewage according to claim 1, which is characterized in that: the rotary frame (3) comprises a supporting plate (301), a first roller (302) and a second roller (303), one side of the rotary frame (3) is a regular hexagonal frame, six supporting plates (301) are fixedly mounted on the inner side of the frame, the bottom of each supporting plate (301) is rotatably connected with the first roller (302), the first rollers (302) are located between the inner wall of the scum cylinder (2) and the limiting ring (201), the rotary frame (3) is in rolling connection with the limiting ring (201) through the first rollers (302), two second rollers (303) are arranged at the bottom of the other side of the rotary frame (3), the second rollers (303) are located at the top of the side wall of the air floatation tank (1), and the rotary frame (3) is in rolling connection with the air floatation tank (1) through the second rollers (303).

4. The air flotation oil removing device for oily sewage according to claim 1, which is characterized in that: motor (4) include first bevel gear (401), first band pulley (402), second bevel gear (403) and straight-teeth gear (404), the pivot tip of motor (4) is equipped with first band pulley (402), be equipped with first bevel gear (401) in the pivot of motor (4), and first bevel gear (401) below meshing is connected with second bevel gear (403), second bevel gear (403) bottom is equipped with the pivot, and the pivot of second bevel gear (403) runs through rotating turret (3) and the tip is equipped with gear (404), and straight-teeth gear (404) are connected with ring gear (101) meshing moreover.

5. The air flotation oil removing device for oily sewage according to claim 1, which is characterized in that: the collecting hopper (5) comprises a shaft rod (501) and a second belt wheel (502), the collecting hopper (5) is composed of two half cylindrical grooves, the shaft rod (501) is arranged in the middle of the collecting hopper (5), the shaft rod (501) is rotatably connected with the rotating frame (3) through a bearing, the second belt wheel (502) is arranged at the end of the shaft rod (501), and the second belt wheel (502) is in transmission connection with the first belt wheel (402) through a belt.

6. The air flotation oil removing device for the oily sewage as claimed in claim 2, which is characterized in that: communicating pipe (6) include water distribution tank (601) and distributive pipe (602), water distribution tank (601) are the rectangle cavity structure, and water distribution tank (601) fixed mounting in rotating turret (3) bottom to water distribution tank (601) communicates with each other with communicating pipe (6), be equipped with four distributive pipes (602) in water distribution tank (601) rectangle cavity, and distributive pipe (602) are located distributive plate (7) top.

7. The air flotation oil removing device for oily sewage according to claim 1, which is characterized in that: the water diversion plate (7) comprises a filter screen (701) and a through groove (702), the water diversion plate (7) in three positions is of an arc-shaped structure, the water diversion plate (7) is close to the filter screen (701) arranged between the end parts, the filter screen (701) is detachably connected with the water diversion plate (7) in an embedded mode, the through groove (702) is formed in the position of the other end part of the water diversion plate (7), and the through groove (702) is matched with the position of the slag inlet (203).

8. The air flotation oil removing device for oily sewage according to claim 1, which is characterized in that: the overflow plate (8) comprises a front scraper (801), a rear baffle (802) and flow deflectors (803), wherein the front scraper (801) and the rear baffle (802) are respectively located at two ends of the water distribution plate (7), the front scraper (801) and the rear baffle (802) are distributed in a symmetrical mode, rectangular through holes are formed in the front scraper (801), the flow deflectors (803) are arranged in the through holes, and the flow deflectors (803) are distributed in a parallel mode.