CN212926414U

CN212926414U - Oil-intercepting and dirt-intercepting device for rainwater pumping station

Info

Publication number: CN212926414U
Application number: CN202021058882.4U
Authority: CN
Inventors: 许欣平; 刘春勇; 周丹
Original assignee: Shanghai Macro Fluid Control Technology Co ltd
Current assignee: Shanghai Macro Fluid Control Technology Co ltd
Priority date: 2020-06-10
Filing date: 2020-06-10
Publication date: 2021-04-09
Anticipated expiration: 2030-06-10

Abstract

The utility model discloses a rainwater pump station cuts oil and cuts dirty device relates to rainwater centralized processing equipment technical field, and it is comparatively simple to the filtration of the pollutant of current rainwater pump station in to the rainwater, and does not have the problem that special greasy dirt filtration equipment made the direct emission of greasy dirt in the rainwater lead to polluting the water resource, now proposes following scheme, and it includes ground, board that floats, cuts dirty basket and blowoff tank, the one-level filtering well, second grade filtering well and the tertiary filter well of arranging in proper order are seted up to the surface on ground, the inner wall fixed mounting of one-level filtering well has evenly distributed's inlet tube and primary filter case, just the inlet tube all communicates with primary filter case. The utility model discloses the device is not only comparatively clean to the impurity filtering in the sewage to conveniently filter impurity's discharge, can filter the greasy dirt in the sewage simultaneously, and the greasy dirt can be by timely discharge, and is more practical.

Description

Oil-intercepting and dirt-intercepting device for rainwater pumping station

Technical Field

The utility model relates to a rainwater centralized processing equipment technical field especially relates to a rainwater pump station cuts oil and cuts dirty device.

Background

The rainwater pump station is an important component of an urban water supply and drainage system, bears urban drainage and drainage waterlogging and has an important function of guaranteeing urban life and production safety. The drainage system in city is often smugglied secretly a large amount of pollutants and is entered into rainwater pump station, so in order to the purpose to environmental protection, rainwater pump station generally need filter purification to sewage when carrying out the drainage.

Present sewage pump station filters comparatively simply to the urban sewage of entering in the station, can't carry out filtration treatment to the greasy dirt in the water to lead to probably polluting the condition of river system, and the pollutant that some present rainwater pump stations filter down, often need the manual work to clear up, lead to the human cost to increase, and filterable efficiency reduces, consequently, in order to solve this type of problem, we propose a rainwater pump station and cut oil and cut dirty device.

SUMMERY OF THE UTILITY MODEL

The utility model provides a pair of rainwater pump station cuts oil and cuts dirty device has solved current rainwater pump station and has comparatively simple to the filtration of the pollutant in the rainwater, and does not have the direct problem that leads to the polluted water resource of discharging of the greasy dirt of special greasy dirt filtration equipment messenger's rainwater.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a rainwater pump station oil intercepting and dirt intercepting device comprises a ground, a floating plate, a dirt intercepting basket and a dirt discharging groove, wherein a primary filter well, a secondary filter well and a tertiary filter well which are sequentially arranged are arranged on the surface of the ground, an evenly distributed inlet pipe and a primary filter box are fixedly arranged on the inner wall of the primary filter well, the inlet pipe is communicated with the primary filter box, a first threaded rod and a first guide rod are rotatably arranged between the inner walls of the two sides of the primary filter box, a cleaning plate is rotatably arranged on the surface of the first threaded rod and is in threaded connection with the first threaded rod, one end of the first threaded rod penetrates through the outer surface of the primary filter box and is fixedly provided with a driving wheel, a dirt collecting pipe is fixedly arranged on the outer surface of one side of the primary filter box, which is far away from the driving wheel, the dirt collecting pipe penetrates through the inner wall of the primary filter box, a self-flowing groove is arranged on the inner wall of one side, the gravity flow groove penetrates through the inner wall of the secondary filter well, uniformly distributed filter rods are fixedly mounted on the inner wall of the bottom end of the secondary filter well, the surface of each filter rod is provided with an adsorption structure for adsorbing fine particle impurities on the surface of water, uniformly distributed second guide rods are fixedly mounted between the top end of the secondary filter well and the inner wall of the bottom end of the secondary filter well, the filter rods are all in sliding connection with the sewage intercepting basket, the sewage intercepting basket is all in sliding connection with the second guide rods, moving seats are fixedly mounted on the two side surfaces of the sewage intercepting basket, symmetrically distributed second motors are fixedly mounted on the surface of the top end of the secondary filter well, a second threaded rod is fixedly mounted at one end, far away from the second motors, of an output shaft of each second motor, penetrates through the inner wall of the top end of the secondary filter well, and is respectively in threaded connection with the moving seats, the utility model discloses a sewage filter, including blowdown groove, blowdown basket, secondary filter well, sewage trap, sewage.

Preferably, the fixed surface on ground installs the motor frame, just the motor frame is close to the top setting of primary filter well, the last fixed surface of motor frame installs first motor, the one end fixed mounting that first motor was kept away from to the output shaft of first motor has the drive wheel, just be connected with the belt between drive wheel and the action wheel.

Preferably, the surface of the filter rod is provided with an adsorption structure, the adsorption structure comprises filter rods, the surface of each filter rod is fixedly provided with uniformly distributed filter brushes, and the surfaces of the filter brushes are coated with adsorption materials.

Preferably, the sewage discharging system that the top inner wall of secondary filter well set up includes the top inner wall fixed mounting of secondary filter well has hydraulic switch, just the outer fixed surface of secondary filter well installs the hydraulic stem frame, one side fixed mounting that secondary filter well was kept away from to the hydraulic stem frame has the hydraulic stem, just fixedly connected with hydraulic pressure oil pipe between hydraulic stem and the hydraulic switch, hydraulic pressure oil pipe's one end and blowdown groove fixed connection are kept away from to the hydraulic stem.

Preferably, the oil extraction structure that the inside of oil strain tank set up includes the third guide bar of symmetric distribution is installed to the bottom inner wall fixed mounting of oil strain tank, just planktonic board respectively with third guide bar sliding connection, the last fixed surface of planktonic board installs the oil extraction pipe, just the oil extraction pipe runs through the lower surface of planktonic board, the bottom fixed mounting of oil extraction pipe has the filter tip, just the oil extraction pipe run through the tertiary upper surface of crossing the filter well and with tertiary filter well sliding connection, the last fixed surface of tertiary filter well installs the oil extraction pump, just fixed mounting has the transmission hose between oil extraction pump and the oil extraction pipe.

Preferably, the inner wall of one side of the third-stage filter well, which is far away from the second-stage filter well, is fixedly provided with uniformly distributed drain pipes.

Preferably, the surface of the ground is fixedly provided with a control panel, and the output end of the control panel is electrically connected with the input ends of the first motor and the second motor respectively.

The utility model has the advantages that:

1. be provided with primary filter box through the inside at the primary filter well, and rose box and inlet tube intercommunication, be provided with evenly distributed's filter rod in the inside of secondary filter well simultaneously, and the surface of filter rod is provided with the filter brush, make sewage accessible primary filter box carry out great impurity filtration when getting into the primary filter well, and the adsorption material through the filter brush surface of passing through of sewage in the inside of secondary filter box adsorbs the surface of filter brush with the tiny particle impurity of aquatic, thereby make the device comparatively clean to the impurity filtration in the sewage.

2. A first threaded rod is rotatably installed in the primary filter box and fixedly connected with a driving wheel, and meanwhile, the first threaded rod is in threaded connection with a cleaning plate, so that a first motor is started to drive the driving wheel to rotate through a driving wheel and a belt, the driving wheel rotates to drive the threaded rod to rotate, the cleaning plate moves along the length direction of the threaded rod, and filtering impurities in the primary filter box are pushed into a dirt collecting pipe; through filtering pole and cutting dirty basket sliding connection, and cut the removal seat and the second threaded rod threaded connection of dirty basket side, make the second motor drive the second threaded rod and rotate, make cut dirty basket along the length direction rebound of the length of second threaded rod, and be provided with hydraulic switch through the top at the second grade filter well, through cutting dirty basket extrusion hydraulic switch, make hydraulic switch pass through hydraulic pressure oil pipe towards the inside injection hydraulic oil of hydraulic stem, make the hydraulic stem extension, thereby promote the inside removal of blowdown groove towards the second grade filter well, through opening the blowdown floodgate, make the inside impurity of cutting dirty basket flow in the inside of blowdown groove through the blow off pipe, and flow in the inside of collection dirty pipe through the blowdown groove, thereby make the device conveniently filter impurity's discharge.

3. Through the internally mounted at tertiary filter well there is the oil cleaner box to there is ceramic filtration membrane at the side-mounting of oil cleaner box, can filter the inside greasy dirt of sewage through ceramic filtration membrane, and through be provided with the board that floats in the top of kickboard, through installing the oil extraction pipe in the top of board that floats, make greasy dirt accessible oil extraction pipe through the timely inside discharge from the oil cleaner box of oil extraction pump.

In conclusion, the device not only is comparatively clean to the impurity filtering in the sewage to conveniently filter the discharge of impurity, can filter the greasy dirt in the sewage simultaneously, and the greasy dirt can be by timely discharge, and is more practical.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a top view of the structure of the present invention.

Fig. 3 is a sectional view of the internal structure of the primary filter box of the present invention.

Fig. 4 is a cross-sectional view of the oil filter tank of the present invention.

Fig. 5 is the internal structure diagram of the second-stage filtering well of the present invention.

Reference numbers in the figures: the device comprises a ground surface, a primary filter well, a 3 water inlet pipe, a 4 primary filter box, a 5 first threaded rod, a 6 cleaning plate, a 7 first guide rod, a 8 driving wheel, a 9 motor frame, a 10 first motor, a 11 driving wheel, a 12 belt, a 13 automatic flow groove, a 14 secondary filter well, a 15 filter rod, a 16 filter brush, a 17 second guide rod, an 18 sewage interception basket, a 19 moving seat, a 20 second motor, a 21 second threaded rod, a 22 sewage discharge gate, a 23 sewage discharge pipe, a 24 hydraulic switch, a 25 hydraulic oil pipe, a 26 hydraulic rod frame, a 27 hydraulic rod, a 28 sewage discharge groove, a 29 tertiary filter well, a 30 oil filter box, a 31 automatic flow pipe, a 32 ceramic filter membrane, a 33 third guide rod, a 34 floating plate, a 35 oil discharge pipe, a 36 filter tip, a 37 oil discharge pump, a 38 transmission hose, a 39 water discharge pipe, a 40 control panel and a 41 sewage collection.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-5, a rainwater pumping station oil-intercepting and dirt-intercepting device comprises a ground 1, a floating plate 34, a dirt-intercepting basket 18 and a dirt-discharging groove 28, wherein a primary filter well 2, a secondary filter well 14 and a tertiary filter well 29 which are sequentially arranged are arranged on the surface of the ground 1, an inlet pipe 3 and a primary filter tank 4 which are uniformly distributed are fixedly arranged on the inner wall of the primary filter well 2, the inlet pipe 3 is communicated with the primary filter tank 4, a first threaded rod 5 and a first guide rod 7 are rotatably arranged between the inner walls of two sides of the primary filter tank 4, a cleaning plate 6 is rotatably arranged on the surface of the first threaded rod 5, the cleaning plate 6 is in threaded connection with the first threaded rod 5, one end of the first threaded rod 5 penetrates through the outer surface of the primary filter tank 4 and is fixedly provided with a driving wheel 8, a dirt-collecting pipe 41 is fixedly arranged on the outer surface of one side of the primary filter tank 4, and the dirt collecting pipe 41 runs through the inner wall of the primary filter tank 4, the inner wall of one side of the primary filter well 2 far away from the primary filter tank 4 is provided with an automatic flow groove 13, the automatic flow groove 13 runs through the inner wall of the secondary filter well 14, the bottom inner wall of the secondary filter well 14 is fixedly provided with uniformly distributed filter rods 15, the surface of each filter rod 15 is provided with an adsorption structure for adsorbing fine particle impurities on the surface of water, uniformly distributed second guide rods 17 are fixedly arranged between the top end and the bottom inner wall of the secondary filter well 14, the filter rods 15 are slidably connected with a dirt intercepting basket 18, the dirt intercepting basket 18 is slidably connected with the second guide rods 17, two side surfaces of the dirt intercepting basket 18 are fixedly provided with moving seats 19, the top surface of the secondary filter well 14 is fixedly provided with symmetrically distributed second motors 20, and one end of the output shaft of the second motor 20 far away from the second motor 20 is fixedly provided with a second threaded rod 21, and the second threaded rod 21 runs through the top inner wall of the second-stage filter well 14, the second threaded rod 21 is respectively in threaded connection with the movable seat 19, the sewage discharge groove 28 is respectively in fixed connection with the sewage collection pipe 41 and in sliding connection with the second-stage filter well 14, a sewage discharge gate 22 is fixedly mounted on one side surface of the sewage discharge basket 18 close to the sewage discharge groove 28, a sewage discharge pipe 23 is fixedly mounted at one end of the sewage discharge gate 22 far away from the sewage discharge basket 18, a sewage discharge system for discharging impurities inside the sewage discharge basket is arranged on the top inner wall of the second-stage filter well 14, a gravity flow pipe 31 is fixedly mounted on one side surface of the second-stage filter well 14 far away from the first-stage filter well 2, an oil filter tank 30 is fixedly mounted on the bottom inner wall of the third-stage filter well 29, the oil filter tank 30 is fixedly connected with the gravity flow pipe 31, a ceramic filter membrane 32 is fixedly mounted on the side surface of the oil filter tank 30, the surface fixed mounting of ground 1 has motor frame 9, just motor frame 9 is close to the top setting of primary filter well 2, the last fixed surface of motor frame 9 installs first motor 10, the one end fixed mounting that first motor 10 was kept away from to the output shaft of first motor 10 has drive wheel 11, just be connected with belt 12 between drive wheel 11 and the action wheel 8, it includes to filter 15 surface is provided with adsorption structure the fixed surface of filtering pole 15 installs evenly distributed's filtration brush 16, just the surface of filtering brush 16 all coats and has had the adsorption material, the sewage discharging system that the top inner wall of secondary filter well 14 set up includes the top inner wall fixed mounting of secondary filter well 14 has hydraulic switch 24, just the fixed surface of secondary filter well 14 installs hydraulic rod frame 26, one side fixed mounting that secondary filter well 14 was kept away from to hydraulic rod frame 26 has hydraulic rod 27, just fixedly connected with hydraulic pressure oil pipe 25 between hydraulic stem 27 and the hydraulic switch 24, hydraulic pressure oil pipe 25's one end and blowdown groove 28 fixed connection are kept away from to the hydraulic stem, the oil extraction structure that the inside of oil filter 30 set up includes the bottom inner wall fixed mounting of oil filter 30 has the third guide bar 33 of symmetric distribution, just floating board 34 respectively with third guide bar 33 sliding connection, floating board's 34 last fixed surface installs oil discharge pipe 35, just oil discharge pipe 35 runs through floating board 34's lower surface, oil discharge pipe 35's bottom fixed mounting has filter tip 36, just oil discharge pipe 35 runs through tertiary filter well 29's upper surface and with tertiary filter well 29 sliding connection, tertiary filter well 29's last fixed surface installs oil discharge pump 37, just fixed mounting has transmission hose 38 between oil discharge pump 37 and the oil discharge pipe 35, tertiary filter well 29 keeps away from one side inner wall fixed mounting of secondary filter well 14 and has evenly distributed's drain pipe 39 The surface of the ground 1 is fixedly provided with a control panel 40, and the output end of the control panel 40 is electrically connected with the input ends of the first motor 10 and the second motor 20 respectively.

The working principle is as follows: when the device is used, firstly rainwater with pollutants enters the interior of a primary filter box 4 through a water inlet pipe 3, impurities with larger volume are filtered into the interior of the primary filter box 4 through the primary filter box 4, when enough impurities are filtered in the interior of the primary filter box 4, a first motor 10 is started through a control panel 40, the first motor 10 is started to drive a driving wheel 11 to rotate, the driving wheel 11 drives a driving wheel 8 to rotate through a belt 12, as the driving wheel 8 is fixedly connected with a first threaded rod 5, the first threaded rod 5 rotates along with the driving wheel 8, and a cleaning plate 6 is in threaded connection with the first threaded rod 5 and is in sliding connection with a first guide rod 7, so that the cleaning plate 6 moves along the length direction of the first threaded rod 5, and the impurities in the interior of the primary filter box 4 are pushed towards a dirt collecting pipe 41 through the cleaning plate 6, and finally pushed to the inside of the soil collection pipe 41 and discharged through the soil collection pipe 41;

the water after primary filtration flows into the inside of the primary filter well 22 through the primary filter tank 4, when the water inside the primary filter well 2 reaches the height aligned with the gravity flow groove 13, the water enters the inside of the secondary filter well 14 through the gravity flow groove 13, the filter rods 15 are uniformly distributed inside the secondary filter well 14, the surface of the filter rods 15 is provided with the filter brushes 16, small particle impurities in the water are adsorbed onto the filter brushes 16 through the adsorbing materials on the surface of the filter brushes 16, then when enough particle impurities are adsorbed on the surface of the filter brushes 16, the second motor 20 is started through the control panel 40, the second motor 20 is started to drive the second threaded rod 21 to rotate, due to the threaded connection between the second threaded rod 21 and the moving seat 19, the moving seat 19 drives the sewage intercepting basket 18 to move upwards, and the sewage intercepting basket 18 presses the filter brushes 16 on the surface of the filter rods 15, so as to squeeze impurities adsorbed on the filter brush 16 into the inside of the sewage intercepting basket 18, when the sewage intercepting basket 18 moves to the top end of the secondary filter well 14, the sewage intercepting basket 18 squeezes the hydraulic switch 24, the hydraulic switch 24 conveys hydraulic oil to the inside of the hydraulic rod 27 through the hydraulic oil pipe 25, so that the hydraulic rod 27 extends, and the hydraulic rod 27 pushes the sewage draining groove 28 to move towards the inside of the secondary filter well 14, so that the sewage draining groove 28 is positioned right below the sewage draining pipe 23 on the side surface of the sewage intercepting basket 18, and then the sewage draining gate 22 is opened, so that small particle impurities in the sewage intercepting basket 18 flow into the inside of the sewage draining groove 28 through the sewage draining pipe 23 and enter the inside of the sewage collecting pipe 41 through the sewage draining groove 28, and then the small particles are collected and discharged;

when the water level inside the secondary filter well 14 reaches a level aligned with the gravity flow pipe 31, water flows into the inside of the oil filter tank 30 through the gravity flow pipe 31, the oil filter tank 30 is provided with a ceramic filter membrane 32 on the side surface, large oil stain molecules in water are filtered in the oil filter tank 30 through the ceramic filter membrane 32, and the water flows out to the inside of the tertiary filter well 29 through the ceramic filter membrane 32, and since the floating plate 34 and the third guide bar 33 are slidably connected, the floating plate 34 is always located on the upper surface of the oil stain, and an oil discharge pipe 35 is installed on the upper surface of the floating plate 34, the oil discharge pipe 35 is communicated with an oil discharge pump 37 through a transfer hose 38, so that the oil drain pump 37 discharges the oil stain inside the oil filter tank 30 out of the oil filter tank 30 through the oil drain pipe 35 and the transfer hose 38, thereby achieving the purpose of filtering oil stains in the water body, and the purified water filtered by the ceramic filter membrane 32 is discharged out of the third-stage filter well 29 through the drain pipe 39.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a rainwater pump station cuts oil and cuts dirty device, includes ground (1), plankton board (34), cuts dirty basket (18) and blowdown groove (28), its characterized in that, the surface on ground (1) is seted up one-level filtering well (2), second grade filtering well (14) and tertiary filtering well (29) that arrange in proper order, the inner wall fixed mounting of one-level filtering well (2) has evenly distributed's inlet tube (3) and elementary rose box (4), just inlet tube (3) all communicate with elementary rose box (4), rotate between the both sides inner wall of elementary rose box (4) and install first threaded rod (5) and first guide bar (7), just the surface rotation of first threaded rod (5) installs clearance board (6), clearance board (6) and first threaded rod (5) threaded connection, the one end of first threaded rod (5) runs through the surface and fixed mounting of elementary rose box (4) has action wheel (8), the sewage collection device is characterized in that a sewage collection pipe (41) is fixedly arranged on the outer surface of one side, far away from an active wheel (8), of the primary filter box (4), the sewage collection pipe (41) penetrates through the inner wall of the primary filter box (4), a self-flowing groove (13) is formed in the inner wall of one side, far away from the primary filter box (4), of the primary filter well (2), the self-flowing groove (13) penetrates through the inner wall of a secondary filter well (14), uniformly distributed filter rods (15) are fixedly arranged on the inner wall of the bottom end of the secondary filter well (14), adsorption structures are arranged on the surface of each filter rod (15) and used for adsorbing fine particle impurities on the surface of water body, uniformly distributed second guide rods (17) are fixedly arranged between the top end of the secondary filter well (14) and the inner wall of the bottom end of the secondary filter well, the filter rods (15) are both connected with a sewage interception basket (18) in a sliding manner, and the, the utility model discloses a sewage filter, including intercepting dirty basket (18), the equal fixed mounting of both sides face of dirty basket (18) has removal seat (19), the top surface fixed mounting of secondary filter well (14) has symmetric distribution's second motor (20), just the one end fixed mounting that second motor (20) were kept away from to the output shaft of second motor (20) has second threaded rod (21), just second threaded rod (21) run through the top inner wall of secondary filter well (14), second threaded rod (21) respectively with remove seat (19) threaded connection, blowdown groove (28) respectively with collection dirt pipe (41) fixed connection and with secondary filter well (14) sliding connection, just a side fixed mounting that intercepting dirty basket (18) is close to blowdown groove (28) has blowdown floodgate (22), the one end fixed mounting that intercepting dirty basket (18) was kept away from to blowdown floodgate (22) has blow off pipe (23), the top inner wall of secondary filter well (14) is provided with the blowdown system and is used for discharging the inside impurity of intercepting dirty basket, one side fixed mounting that first-level filtering well (2) was kept away from in second grade filtering well (14) has self-flowing pipe (31), the bottom inner wall fixed mounting of tertiary filtering well (29) has oil filter (30), just oil filter (30) and self-flowing pipe (31) fixed connection, the side fixed mounting of oil filter (30) has ceramic filtration membrane (32), just the inside of oil filter (30) is provided with oil extraction structure and is used for discharging the inside greasy dirt of oil filter.

2. A rainwater pumping station oil-intercepting and sewage-intercepting device according to claim 1, characterized in that a motor frame (9) is fixedly mounted on the surface of the ground (1), the motor frame (9) is arranged near the top end of the primary filter well (2), a first motor (10) is fixedly mounted on the upper surface of the motor frame (9), a driving wheel (11) is fixedly mounted at one end, far away from the first motor (10), of an output shaft of the first motor (10), and a belt (12) is connected between the driving wheel (11) and the driving wheel (8).

3. A rainwater pumping station oil-intercepting and sewage-intercepting device according to claim 1, characterized in that the surface of the filtering rod (15) is provided with an adsorption structure, the adsorption structure comprises filtering brushes (16) which are uniformly distributed and fixedly arranged on the surface of the filtering rod (15), and the surfaces of the filtering brushes (16) are all coated with an adsorption material.

4. A rainwater pumping station oil-intercepting and sewage-intercepting device according to claim 1, characterized in that the sewage-discharging system arranged on the top end inner wall of the secondary filter well (14) comprises a hydraulic switch (24) fixedly mounted on the top end inner wall of the secondary filter well (14), a hydraulic rod frame (26) is fixedly mounted on the outer surface of the secondary filter well (14), a hydraulic rod (27) is fixedly mounted on one side of the hydraulic rod frame (26) far away from the secondary filter well (14), a hydraulic oil pipe (25) is fixedly connected between the hydraulic rod (27) and the hydraulic switch (24), and one end of the hydraulic rod far away from the hydraulic oil pipe (25) is fixedly connected with a sewage-discharging groove (28).

5. A rainwater pumping station oil and sewage interception device according to claim 1, the oil discharge structure arranged in the oil filter box (30) comprises third guide rods (33) which are symmetrically distributed and fixedly arranged on the inner wall of the bottom end of the oil filter box (30), the floating plates (34) are respectively connected with the third guide rods (33) in a sliding way, the upper surfaces of the floating plates (34) are fixedly provided with oil discharge pipes (35), the oil discharge pipe (35) penetrates through the lower surface of the floating plate (34), the bottom end of the oil discharge pipe (35) is fixedly provided with a filter tip (36), and the oil discharge pipe (35) penetrates through the upper surface of the third-stage filtering well (29) and is connected with the third-stage filtering well (29) in a sliding way, an oil discharge pump (37) is fixedly arranged on the upper surface of the three-stage filter well (29), and a transmission hose (38) is fixedly arranged between the oil discharge pump (37) and the oil discharge pipe (35).

6. A rainwater pumping station oil-intercepting and sewage-intercepting device according to claim 1, wherein the inner wall of one side of the tertiary filter well (29) far away from the secondary filter well (14) is fixedly provided with uniformly distributed drain pipes (39).

7. A rainwater pumping station oil-intercepting and sewage-intercepting device according to claim 2, characterized in that a control panel (40) is fixedly installed on the surface of the ground (1), and the output end of the control panel (40) is electrically connected with the input ends of the first motor (10) and the second motor (20) respectively.