CN211367051U

CN211367051U - Effluent water sump oil slick collection device

Info

Publication number: CN211367051U
Application number: CN201922114779.0U
Authority: CN
Inventors: 陈剑; 刘建新; 孙来保; 周明; 田威; 马子超
Original assignee: Anhui Truchum Advanced Materials And Technology Co ltd
Current assignee: Anhui Truchum Advanced Materials And Technology Co ltd
Priority date: 2019-12-02
Filing date: 2019-12-02
Publication date: 2020-08-28
Anticipated expiration: 2029-12-02

Abstract

The utility model discloses a effluent water sump oil slick collection device belongs to the sewage treatment field, the utility model discloses a set up the oil-water separation case of flowing oil groove at the top, secondary oil water disengagement zone and primary oil water disengagement zone have set gradually along left right direction in the oil-water separation incasement, the inside upper portion of primary oil water disengagement zone is provided with the carousel, the end that produces oil of flowing oil groove links to each other with secondary oil water disengagement zone, the other end of flowing oil groove is provided with the rectangular channel that supplies the carousel both sides to put into, two frizing piece slope symmetries set up the both sides at the carousel, frizing piece one end upwards with the terminal surface butt of carousel one side, the frizing piece other end is directional flowing oil groove tank bottom downwards, the bottom of secondary oil water disengagement zone is provided with secondary outlet and oil drain port, the bottom of primary oil water disengagement zone is. Adopt the technical scheme of the utility model, accomplish the profit complete separation for the sump oil is collected the processing alone, reduces the sewage treatment degree of difficulty.

Description

Effluent water sump oil slick collection device

Technical Field

The utility model relates to a sewage treatment technical field, more specifically say, relate to a effluent water sump oil slick collection device.

Background

In the copper strip processing process, processes such as ingot casting, surface milling, hot rolling, rough rolling, annealing, primary cleaning, finished product rolling, secondary cleaning and the like are always carried out, emulsion lubrication needs to be carried out on a roller in the rolling process, but grease leaked by equipment and mineral grease in an emulsion formula always exist in the production process to form dirty oil after emulsion breaking, the waste water in the rolling process is discharged into a sewage tank always contains a large amount of oil stains, the oil stains in the sewage tank are more serious in the past, main pollutants in the sewage are grease, the content of the grease in the sewage is high, high load is brought to sewage treatment of a sewage station, if the treatment is unqualified, the sewage discharge cannot reach the standard, the environment is polluted, and the production cost is increased if the treatment is good.

At present, oil skimming machines are mostly used for collecting oil stains, and the oil skimming machines skims a large amount of waste oil by utilizing physical adsorption and separation, so that the functions of water treatment facilities of factories can be greatly improved; due to the adoption of the physical separation technology, the use of chemicals is reduced or eliminated, and the secondary pollution to the environment in the water treatment process is also reduced.

Through retrieval, the Chinese patent application number: 2017219008023, filing date: in 2017, 12 and 29 months, the invention and creation name is: the utility model provides a effluent water sump oil collecting device, this application discloses a effluent water sump oil collecting device, including collection oil hopper, the action wheel, from the driving wheel, scrape oil frame and oil pipe, a lateral wall of collection oil hopper upwards extends and forms and supplies the action wheel and follow the fixed riser of driving wheel, the action wheel sets up with following the symmetry in the width direction of driving wheel along the riser, oil pipe is cavity confined annular shape, oil pipe's one end floats in the surface of effluent water sump, the action wheel is located to the other end and on following the driving wheel, and drive the action wheel by driving motor and make oil pipe be cyclic motion, oil pipe contacts with scraping oil frame. This application has improved the efficiency and the quality that the oil slick was collected through the specific structural design who follows the semicircular groove on driving wheel, the support frame and action wheel, and has improved oil slick collection device's stability, and this oil slick collection device simple structure drops into the cost of manufacture simultaneously and hangs down. However, in the application, the closed flexible water pipe is used for sticking oil, and in the circulating working process under the driving of the motor and the guide wheel, the flexible water pipe cannot work due to insufficient friction force and dead weight of the flexible water pipe, manual adjustment is needed, and the automation is not strong; meanwhile, the device does not realize oil-water separation, oil and water are mixed in the floating oil collecting process, the oil removing effect is poor, and the energy consumption is increased.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved by the utility model

The utility model aims to overcome need artifical manual adjustment among the prior art in the effluent water sump in the oil slick collection process, the automaticity is not strong to and accomplish water oil separating, the oil slick is collected in-process water oil mixing, and it is not good to degrease the effect, increases not enough such as energy consumption, provides an effluent water sump oil slick collection device, adopts the technical scheme of the utility model, possible profit complete separation for the sump oil is collected the processing alone, reduces the sewage treatment degree of difficulty, accords with the environmental protection theory, and simultaneously, this oil slick collection device is automatic and the flexibility is strong.

Technical scheme

In order to achieve the above purpose, the utility model provides a technical scheme does:

the utility model discloses a sewage pool floating oil collecting device, which comprises a bracket and an oil-water separating box arranged on the bracket, wherein the top of the oil-water separating box is provided with an oil flowing groove, a secondary oil-water separating area and a primary oil-water separating area are sequentially arranged in the oil-water separating box along the left and right directions, wherein, the upper part inside the primary oil-water separating area is provided with an oil scraping rotating mechanism, the oil scraping rotating mechanism comprises a turntable and a servo motor driving the turntable to rotate, one end of the oil flowing groove extends leftwards to form an oil outlet end connected with the secondary oil-water separating area, the other end of the oil flowing groove is provided with a rectangular groove for placing both sides of the turntable, both sides of the turntable are provided with oil scraping sheets, the two oil scraping sheets are obliquely and symmetrically arranged in the oil flowing groove, one end of the oil scraping sheets is upwards abutted against the end surface on one side, the bottom of above-mentioned secondary oil water separating region is provided with secondary outlet and oil drain port, and the bottom of above-mentioned primary oil water separating region is provided with a outlet, and this primary oil water separating region passes through the pipeline and links to each other with oil absorption floating mechanism, be provided with pneumatic diaphragm pump on the pipeline, oil absorption floating mechanism includes the funnel, be provided with a plurality of profit imports that run through its lateral wall along the equidistance of circumferencial direction on the lateral wall of funnel, the profit import is by V-arrangement big-end-down and the breach structure that the circular that uses the V-arrangement bottom point as the centre of a circle constitutes jointly, is provided with a plurality of bolt holes that are used for adjusting hollow floater height along the equidistance of direction of height on the funnel lateral wall between two adjacent profit impo.

As a further improvement, first division board, first baffle and buffer board have set gradually along controlling the direction in the oil-water separation district, first division board, first baffle and buffer board divide water drainage tank, once filter basin, oil-water mixing tank and profit import groove into in proper order along controlling the direction with oil-water separation district, this first division board, first baffle and buffer board equal perpendicular to horizontal plane setting, wherein, the equal upper portion of first division board and buffer board is unsettled, first baffle lower part is unsettled, and above-mentioned outlet sets up in the bottom of water drainage tank, and above-mentioned pneumatic diaphragm pump passes through the pipeline and links to each other with the profit import groove, and above-mentioned carousel is located the upper portion of oil-water mixing tank inside.

As a further improvement of the present invention, the lower end surface of the first baffle is lower than the upper end surface of the first isolation plate, the lower end surface of the first baffle is also lower than the upper end surface of the buffer plate, and the upper end surface of the buffer plate is lower than the upper end surface of the first isolation plate.

As a further improvement of the utility model, a partition plate, a second baffle plate and a third baffle plate are arranged in the secondary oil-water separation zone, the partition plate, the second baffle plate and the third baffle plate are all arranged perpendicular to the horizontal plane, wherein, the third baffle plate and the second baffle plate are arranged along the front and back direction and are positioned on the same straight line to divide the secondary oil-water separation zone into an oil-water discharge tank and a secondary oil-water mixing tank along the left and right direction in sequence, the partition plate is positioned on the left side of the straight line and is arranged perpendicular to the straight line to divide the oil-water discharge tank into an oil discharge tank and a water discharge tank along the front and back direction in sequence, the water discharge tank is internally provided with a second baffle plate which divides the oil-water discharge tank and the secondary water filtration tank along the left and right direction in sequence, the second baffle plate is also arranged perpendicular to the horizontal plane, and the upper parts of the second baffle, the lower part of the second baffle is suspended, the oil discharge port is arranged at the bottom of the oil discharge groove, the secondary water discharge port is arranged at the bottom of the secondary water discharge groove, and the oil outlet end of the oil flow groove extends into the secondary oil-water mixing groove.

As a further improvement, the lower terminal surface of second baffle is less than the up end of second division board, the up end of second division board and the up end parallel and level of third division board, and be provided with a plurality of rectangle breachs along the equidistance of fore-and-aft direction on the up end of third division board, the rectangle breach runs through to the right-hand member face of third division board by the left end face of third division board.

As a further improvement of the utility model, a surface butt is arranged between the oil scraping sheet and the rotary disc.

As a further improvement, be provided with the three profit import that runs through its lateral wall along the circumferencial direction equidistant on the lateral wall of funnel, be provided with hollow floater on the funnel lateral wall between two adjacent profit imports, and three hollow floater is regular triangle and distributes.

As a further improvement of the utility model, the upper part of the turntable is provided with a turntable cover.

As a further improvement, the bottom of the primary oil-water mixing tank is provided with a cleaning drain outlet.

Advantageous effects

Adopt the technical scheme provided by the utility model, compare with prior art, have following beneficial effect:

(1) the utility model discloses a effluent water sump oil slick collection device at first inhales the oil water separator incasement through the oil absorption floating mechanism with the slick on effluent water sump surface, then the oil water separator incasement of rethread sets up once oil water separator district and secondary oil water separator district carry out twice oil water separator to inspiratory slick successively, whole process has carried out cubic oil water separator in other words to possible profit complete separation, feasible dirty oil can collect the processing alone, reduces the sewage treatment degree of difficulty, accords with the environmental protection theory.

(2) The utility model discloses a effluent water sump oil slick collection device sets up a plurality of bolt holes that are used for adjusting hollow floater height through following the equidistance of direction of height on the funnel lateral wall between two adjacent profit imports for can be according to the height of the hollow floater of oil thickness adjustment at first step oil absorption in-process, thereby adjust buoyancy, guaranteed that sewage surface oil slick absorbs totally, simultaneously, the utility model discloses an adopt servo motor control carousel to rotate, can adjust the rotational speed according to actual conditions, consequently, this oil slick collection device is automatic and the flexibility is strong.

(3) The utility model discloses a effluent water sump oil slick collection device sets up a plurality of profit imports that run through its lateral wall through the equidistance along the circumferencial direction on the lateral wall of funnel, and this profit import by V-arrangement big-end-up and the circular common breach structure that constitutes who uses the V-arrangement bottom point as the centre of a circle this design, can make the liquid that flows into in the funnel at first step oil absorption in-process all be the slick as far as possible to can play the effect of preventing blocking.

(4) The utility model discloses a effluent water sump oil slick collection device, the both sides of its carousel all are provided with the frizing piece, and two frizing piece slope symmetries are installed in the oil groove that flows, the terminal surface butt of frizing piece one end upwards with carousel one side, and be the face butt between frizing piece and the carousel, the frizing piece other end is the tank bottom of the downward directional oil groove that flows, through this structural design, can guarantee the frizing effect on the one hand, on the other hand can guarantee to scrape down the oil can flow smoothly in the oil groove that flows.

(5) The utility model discloses a effluent water sump oil slick collection device, lower terminal surface through first baffle is less than the up end of first division board, make first division board can play the effect of separation buffering, and simultaneously, lower terminal surface through first baffle also is less than the up end of buffer board, make the buffer board can play the effect that the buffering was stood, guarantee that profit can not pass from the terminal surface under the first baffle together, in addition, the up end through the buffer board is less than the up end of first division board, water storage capacity has been guaranteed on the one hand, on the other hand has guaranteed that the lower terminal surface that the oil slick can not pass first baffle gets into once to filter in the basin.

(6) The utility model discloses a effluent water sump oil slick collection device, lower terminal surface through the second baffle is less than the up end of second division board, make the second division board can play the effect of separation buffering, and simultaneously, up end through the second division board and the up end parallel and level of third division board, can guarantee that water can not flow in the oil extraction inslot, and the oil slick can not flow in the secondary water drainage inslot, in addition, along fore-and-aft direction equidistant a plurality of rectangle breachs that set up on the up end through the third division board, and the rectangle breach runs through the right-hand member face to the third division board by the left end face of third division board, can realize blockking impurity outside, thereby effectively improve the quality that the oil slick was collected.

(7) The utility model discloses a effluent water sump oil slick collection device, structural design is reasonable, and the principle is simple, convenient to popularize and use.

Drawings

Fig. 1 is a schematic structural view of a sewage pool floating oil collecting device of the present invention;

FIG. 2 is a left side view of FIG. 1;

FIG. 3 is a top view of FIG. 1;

FIG. 4 is a partial cross-sectional view of the floating oil collecting device of the present invention;

fig. 5 is a partial enlarged view of a portion a of fig. 1.

The reference numerals in the schematic drawings illustrate:

1. a support; 2. a pneumatic diaphragm pump; 31. a funnel; 311. bolt holes; 312. an oil-water inlet; 32. a hollow floating ball; 4. an oil-water separation tank; 41. a partition plate; 421. a primary oil-water mixing tank; 4211. cleaning a sewage draining outlet; 422. a primary filtering water tank; 423. a primary drainage channel; 4231. a primary water outlet; 424. an oil-water inlet groove; 431. a secondary oil-water mixing tank; 432. a secondary filtering water tank; 433. a secondary drainage tank; 4331. a secondary water outlet; 434. an oil discharge groove; 4341. an oil discharge port; 44. a buffer plate; 45. a first baffle plate; 46. a first separator plate; 47. a second baffle; 48. a second separator plate; 49. a third separator plate; 51. a turntable; 52. a turntable cover; 53. a servo motor; 54. an oil scraping sheet; 6. and (4) an oil flowing groove.

Detailed Description

For a further understanding of the present invention, reference will be made to the following detailed description taken in conjunction with the accompanying drawings and examples.

Example 1

Referring to fig. 1, 2, 3, 4 and 5, the floating oil collecting device for a sewage tank of this embodiment includes a support 1 and an oil-water separating tank 4 disposed on the support 1, wherein a oil-water separating tank 6 is disposed on the top of the oil-water separating tank 4, a secondary oil-water separating region and a primary oil-water separating region are sequentially disposed in the oil-water separating tank 4 along the left-right direction, an oil-scraping rotating mechanism is disposed on the upper portion of the inner portion of the primary oil-water separating region, the oil-scraping rotating mechanism includes a turntable 51, a turntable cover 52 disposed on the upper portion of the turntable 51, and a servo motor 53 for driving the turntable 51 to rotate, one end of the oil-water separating tank 6 extends leftward to form an oil outlet end connected to the secondary oil-water separating region, a rectangular groove for placing the two sides of the turntable 51 is disposed at the other end of the oil-water separating tank 6, oil scraping plates 54, one end of an oil scraping sheet 54 upwards abuts against the end face of one side of the rotating disc 51, the oil scraping sheet 54 is in face abutment with the rotating disc 51, the other end of the oil scraping sheet 54 downwards points to the bottom of the oil flowing groove 6, a secondary water outlet 4331 and an oil outlet 4341 are arranged at the bottom of the secondary oil-water separation area, a primary water outlet 4231 is arranged at the bottom of the primary oil-water separation area, the primary oil-water separation area is connected with an oil absorption floating mechanism through a pipeline, a pneumatic diaphragm pump 2 installed on the support 1 is arranged on the pipeline, the oil absorption floating mechanism comprises a funnel 31, a plurality of oil-water inlets 312 penetrating through the side wall of the funnel 31 in the circumferential direction are arranged at equal intervals, each oil-water inlet 312 is of a gap structure formed by a V shape with a large upper part and a small lower part and a circular shape with a V-shaped bottom point as the center of a circle, a plurality of bolt holes 311 for, a plurality of hollow floating balls 32 are equally divided on the circumference thereof, and the hollow floating balls 32 are made of stainless steel. Specifically, in this embodiment: as shown in fig. 1 and 5, the funnel 31 is a straight cylindrical structure, three oil-water inlets 312 penetrating through the sidewall of the funnel 31 are equally spaced along the circumferential direction on the sidewall of the funnel 31, hollow floating balls 32 are disposed on the sidewall of the funnel 31 between two adjacent oil-water inlets 312, and the three hollow floating balls 32 are distributed in a regular triangle.

It should be noted that: the utility model discloses at first inhale oil-water separator 4 through the oil absorption floating mechanism with the oil slick on effluent water sump surface in, then the oil-water separator 4 of setting of rethread once sets up oil-water separator and secondary oil-water separator carries out twice oil-water separator successively to inspiratory oil slick, and cubic oil-water separator has been carried out in other words to whole process to possible profit complete separation, make the sump oil can collect the processing alone, reduce the sewage treatment degree of difficulty, accord with the environmental protection theory. It needs to be further explained that: the utility model discloses an equidistant a plurality of bolt holes 311 that are used for adjusting hollow floater 32 height that set up along the direction of height on funnel 31 lateral wall between two adjacent oily water inlets 312 for can be according to the height of oil thickness adjustment hollow floater 32 at first step oil absorption in-process, thereby adjust buoyancy, guaranteed that sewage surface oil slick absorbs totally, simultaneously, the utility model discloses an adopt servo motor 53 control turntable 51 to rotate, can adjust the rotational speed according to actual conditions, consequently, this oil slick collection device is automatic and the flexibility is strong. It should be further noted that: the utility model discloses a set up a plurality of profit imports 312 that run through its lateral wall along the circumferencial direction equidistant on the lateral wall of funnel 31, and this profit import 312 by big-end-up's V-arrangement and the circular common breach structure that constitutes who uses the V-arrangement nadir as the centre of a circle this design, can make the liquid that flows into in the funnel 31 in the first step oil absorption process all be the oil slick as far as possible to can play the effect of preventing stifled. It should be further explained that: the utility model discloses well carousel 51's both sides all are provided with scraper blade 54, and two scraper blade 54 slope symmetries are installed in flowing oil groove 6, the terminal surface butt of scraper blade 54 one end upwards with carousel 51 one side, and be the face butt between scraper blade 54 and the carousel 51, the downward directional oil groove 6 tank bottoms that flow of the scraper blade 54 other end, through this structural design, can guarantee the oil scraping effect on the one hand, on the other hand can guarantee that the oil of scraping down can flow smoothly in flowing oil groove 6.

The first separation plate 46, the first baffle plate 45 and the buffer plate 44 are sequentially arranged in the primary oil-water separation zone along the left-right direction, the primary oil-water separation zone is sequentially divided into a primary drainage groove 423, a primary filtering water groove 422, a primary oil-water mixing groove 421 and an oil-water inlet groove 424 along the left-right direction by the first separation plate 46, the first baffle plate 45 and the buffer plate 44, the first partition plate 46, the first baffle 45 and the buffer plate 44 are disposed perpendicular to the horizontal plane, wherein, the upper parts of the first isolation plate 46 and the buffer plate 44 are suspended, the lower part of the first baffle plate 45 is suspended to communicate the primary filtering water tank 422 and the primary oil-water mixing tank 421, the primary water discharge port 4231 is provided at the bottom of the primary water discharge groove 423, the pneumatic diaphragm pump 2 is connected to the oil water inlet groove 424 through a pipe, the turntable 51 is located at the upper part of the inside of the primary oil-water mixing tank 421, and a cleaning drain 4211 is provided at the bottom of the primary oil-water mixing tank 421. Specifically, in this embodiment: the lower end surface of the first baffle 45 is lower than the upper end surface of the first partition plate 46, the lower end surface of the first baffle 45 is also lower than the upper end surface of the buffer plate 44, and the upper end surface of the buffer plate 44 is lower than the upper end surface of the first partition plate 46.

It should be noted that: the utility model discloses at first through in oil absorption floating mechanism inhales profit import groove 424 with the floating oil (moisture) in the sewage pond, the layering about floating oil (moisture) can be in a profit mixing tank 421 under buffer action of buffer board 44, the floating oil on upper strata flows in oil groove 6 through the frizing slewing mechanism, the water of lower floor flows in once filtering water tank 422 through the unsettled first baffle 45 in lower part, in the last terminal surface inflow drainage tank 423 of first division board 46 again, and discharge through a discharge outlet 4231. It needs to be further explained that: the utility model discloses a lower terminal surface of first baffle 45 is less than this structural design of up end of first division board 46 for first division board 46 can play the effect of separation buffering, the utility model discloses a lower terminal surface of first baffle 45 also is less than this structural design of up end of buffer board 44, makes buffer board 44 can play the effect that the buffering was stood, guarantees that profit can not pass from the terminal surface under first baffle 45 together, the utility model discloses a this structural design of up end that buffer board 44's up end is less than first division board 46 has guaranteed the water storage capacity on the one hand, and on the other hand has guaranteed that the lower terminal surface that the oil slick can not pass first baffle 45 gets into once to filter in the basin 422.

A partition plate 41, a second baffle plate 47 and a third baffle plate 49 are arranged in the secondary oil-water separation region, the partition plate 41, the second baffle plate 47 and the third baffle plate 49 are all arranged perpendicular to the horizontal plane, wherein the third baffle plate 49 and the second baffle plate 47 are arranged along the front-back direction and are positioned on the same straight line so as to divide the secondary oil-water separation region into an oil-water discharge groove and a secondary oil-water mixing groove 431 in sequence along the left-right direction, the partition plate 41 is positioned on the left side of the straight line and is arranged perpendicular to the straight line so as to divide the oil-water discharge groove into an oil discharge groove 434 and a water discharge groove in sequence along the front-back direction, a second baffle plate 48 is arranged in the water discharge groove so as to divide the oil-water discharge groove into a secondary water discharge groove 433 and a secondary filtering water groove 432 in sequence along the left-right direction, the second baffle plate 48 is also arranged perpendicular to the horizontal plane, the upper parts of the second baffle plate 48 and the third baffle plate, the oil drain port 4341 is provided at the bottom of the oil drain tank 434, the secondary drain port 4331 is provided at the bottom of the secondary drain tank 433, and the oil outlet end of the oil flowing tank 6 extends into the secondary oil-water mixing tank 431. Specifically, in this embodiment: the lower terminal surface of second baffle 47 is less than the up end of second division board 48, and the up end of second division board 48 is the up end parallel and level with the up end of third division board 49, and is provided with a plurality of rectangle breachs along the equidistance of fore-and-aft direction on the up end of third division board 49, and the rectangle breach is run through to the right terminal surface of third division board 49 by the left end face of third division board 49.

It should be noted that: the utility model discloses an in oil groove 6 will flow in secondary oil-water mixing tank 431 through the floating oil (containing a small amount of water) after the separation of primary oil water separating zone, the water of lower floor flows in secondary filter water groove 432 through unsettled second baffle 47 in lower part, flows in secondary water drainage tank 433 from the up end of second division board 48 again to discharge through secondary outlet 4331, the floating oil on upper strata flows in oil drainage tank 434 from the up end of third division board 49, and discharges through oil drain 4341. It needs to be further explained that: the utility model discloses a lower terminal surface of second baffle 47 is less than this structural design of up end of second division board 48 for second division board 48 can play the effect that the separation cushions, the utility model discloses an up end of second division board 48 and this structural design of up end parallel and level of third division board 49 can guarantee that water can not flow in oil drainage groove 434, and the oil slick can not flow in secondary drainage groove 433. It should be further noted that: the utility model discloses a set up a plurality of rectangle breachs along the equidistance of fore-and-aft direction on the up end of third division board 49, and the rectangle breach runs through this structural design of right-hand member face to third division board 49 by the left end face of third division board 49, can realize blockking impurity outside to effectively improve the quality that the oil slick was collected.

The present invention and its embodiments have been described above schematically, and the description is not limited thereto, and what is shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. Therefore, if the person skilled in the art receives the teaching of the present invention, without departing from the inventive spirit of the present invention, the person skilled in the art should also design the similar structural modes and embodiments without creativity to the technical solution, and all shall fall within the protection scope of the present invention.

Claims

1. The utility model provides a effluent water sump oil slick collection device which characterized in that: the oil-water separator comprises a support (1) and an oil-water separation box (4) arranged on the support (1), wherein a flow oil groove (6) is arranged at the top of the oil-water separation box (4), a secondary oil-water separation area and a primary oil-water separation area are sequentially arranged in the oil-water separation box (4) along the left-right direction, an oil scraping rotating mechanism is arranged at the upper part inside the primary oil-water separation area and comprises a turntable (51) and a servo motor (53) for driving the turntable (51) to rotate, one end of the flow oil groove (6) extends leftwards to form an oil outlet end connected with the secondary oil-water separation area, a rectangular groove for putting in two sides of the turntable (51) is arranged at the other end of the flow oil groove (6), oil scraping sheets (54) are arranged on two sides of the turntable (51), the two oil scraping sheets (54) are obliquely and symmetrically arranged in the flow oil groove (6), one end of each oil scraping sheet (54), the other end of the oil scraping sheet (54) points to the bottom of the oil flowing groove (6) downwards, a secondary water outlet (4331) and an oil outlet (4341) are arranged at the bottom of the secondary oil-water separation area, a primary water outlet (4231) is arranged at the bottom of the primary oil-water separation area, the primary oil-water separation area is connected with an oil absorption floating mechanism through a pipeline, a pneumatic diaphragm pump (2) is arranged on the pipeline, the oil absorption floating mechanism comprises a funnel (31), a plurality of oil-water inlets (312) penetrating through the side wall of the funnel (31) are arranged on the side wall of the funnel (31) at equal intervals along the circumferential direction, each oil-water inlet (312) is of a notch structure jointly formed by a V shape with a large upper part and a small lower part and a circular shape with a V-shaped bottom point as the center of a circle, a plurality of bolt holes (311) for adjusting the height of the, a plurality of hollow floating balls (32) equally divide the circumference on which the floating balls are arranged.

2. The floating oil collecting device for the sewage pool of claim 1, wherein: a first isolation plate (46), a first baffle plate (45) and a buffer plate (44) are sequentially arranged in the primary oil-water separation zone along the left-right direction, the first separation plate (46), the first baffle (45) and the buffer plate (44) divide the primary oil-water separation zone into a primary drainage tank (423), a primary filtering water tank (422), a primary oil-water mixing tank (421) and an oil-water inlet tank (424) in sequence along the left and right direction, the first isolation plate (46), the first baffle plate (45) and the buffer plate (44) are all arranged vertical to the horizontal plane, wherein the upper parts of the first isolation plate (46) and the buffer plate (44) are suspended, the lower part of the first baffle (45) is suspended, the primary water outlet (4231) is arranged at the bottom of the primary water drainage groove (423), the pneumatic diaphragm pump (2) is connected with an oil-water inlet tank (424) through a pipeline, the turntable (51) is positioned at the upper part of the inner part of the primary oil-water mixing tank (421).

3. The floating oil collecting device for the sewage pool of claim 2, wherein: the lower end face of the first baffle plate (45) is lower than the upper end face of the first isolation plate (46), the lower end face of the first baffle plate (45) is also lower than the upper end face of the buffer plate (44), and the upper end face of the buffer plate (44) is lower than the upper end face of the first isolation plate (46).

4. The floating oil collecting device for the sewage pool of claim 3, wherein: the secondary oil-water separation area is internally provided with a partition plate (41), a second baffle plate (47) and a third partition plate (49), the partition plate (41), the second baffle plate (47) and the third partition plate (49) are all arranged perpendicular to the horizontal plane, wherein the third partition plate (49) and the second baffle plate (47) are arranged along the front-back direction and positioned on the same straight line so as to sequentially divide the secondary oil-water separation area into an oil-water discharge groove and a secondary oil-water mixing groove (431) along the left-right direction, the partition plate (41) is positioned on the left side of the straight line and arranged perpendicular to the straight line so as to sequentially divide the oil-water discharge groove into an oil discharge groove (434) and a water discharge groove along the front-back direction, the water discharge groove is internally provided with a second partition plate (48) which sequentially divides the oil-water discharge groove (433) and a secondary filtering water groove (432) along the left-right direction, and the second partition plate (48) is also, the upper parts of the second partition plate (48) and the third partition plate (49) are both suspended, the lower part of the second baffle plate (47) is suspended, the oil discharge port (4341) is arranged at the bottom of the oil discharge groove (434), the secondary water discharge port (4331) is arranged at the bottom of the secondary water discharge groove (433), and the oil outlet end of the oil flow groove (6) extends into the secondary oil-water mixing groove (431).

5. The floating oil collecting device for the sewage pool of claim 4, wherein: the lower terminal surface of second baffle (47) is less than the up end of second division board (48), the up end of second division board (48) and the up end parallel and level of third division board (49), and is provided with a plurality of rectangle breachs along the equidistance of fore-and-aft direction on the up end of third division board (49), the right-hand member face of rectangle breach to third division board (49) is run through by the left end face of third division board (49).

6. The floating oil collecting device for the sewage pool of claim 1, wherein: the oil scraping sheet (54) is in surface-to-surface contact with the rotary disc (51).

7. The floating oil collecting device for the sewage pool of claim 1, wherein: the funnel is characterized in that three oil-water inlets (312) penetrating through the side wall of the funnel (31) are arranged on the side wall of the funnel at equal intervals along the circumferential direction, hollow floating balls (32) are arranged on the side wall of the funnel (31) between every two adjacent oil-water inlets (312), and the three hollow floating balls (32) are distributed in a regular triangle shape.

8. The floating oil collecting device for the sewage pool of claim 1, wherein: the upper part of the turntable (51) is provided with a turntable cover (52).

9. The floating oil collecting device for the sewage pool of claim 2, wherein: and a cleaning sewage outlet (4211) is arranged at the bottom of the primary oil-water mixing tank (421).