CN216377578U

CN216377578U - Oil-water separation device

Info

Publication number: CN216377578U
Application number: CN202122961837.0U
Authority: CN
Inventors: 万鹏; 李煌毅
Original assignee: Beijing Shuanglong Amms Technology Co ltd
Current assignee: Beijing Shuanglong Amms Technology Co ltd
Priority date: 2021-11-27
Filing date: 2021-11-27
Publication date: 2022-04-26
Anticipated expiration: 2031-11-27

Abstract

The application relates to the field of wastewater treatment, in particular to an oil-water separation device which comprises a separation box, wherein a water inlet and a water outlet are respectively formed in two opposite ends of the separation box, a separation mechanism is arranged in the separation box, the inside of the separation box is divided into an oil-water separation cavity and an oil accumulation cavity through the separation mechanism, the upper part of the oil-water separation cavity is communicated with the oil accumulation cavity, an oil outlet is further formed in the separation box, an oil pushing mechanism is arranged at the communication position of the oil-water separation cavity and the oil accumulation cavity, the oil pushing mechanism comprises a driving roller, a driven roller and an annular conveying belt, a pushing plate is arranged on the outer surface of the conveying belt, a driving piece is arranged on the outer side wall of the separation box, and the driving roller rotates through the driving piece; when the conveying belt runs under the driving of the driving roller, the floating oil at the top end of the oil-water separation cavity is pushed to the oil accumulation cavity through the push plate. This application has the difference that changes the mobility between oil and the water to make the convenient discharge of upper oil, improve oil-water separation's effect.

Description

Oil-water separation device

Technical Field

The application relates to the field of wastewater treatment, in particular to an oil-water separation device.

Background

The air compressor is a device for compressing air, because the air compressor compresses the air, can produce the water with certain oil content in the compressor, when handling the water in the air compressor, the oil in the aquatic can cause certain pollution to the environment, consequently before carrying out water treatment, need separate the oil content in the aquatic.

The existing oil-water separation method mostly adopts a gravity separation method, and not only utilizes the difference of densities of oil and water in water to settle the water so as to separate the oil from the water and separate the oil.

In view of the above-mentioned related art, the inventor believes that when oil-water separation is performed by the gravity separation method, the fluidity of oil and water is different, so that the upper layer oil is inconvenient to be discharged, thereby affecting the oil-water separation effect.

SUMMERY OF THE UTILITY MODEL

In order to improve the difference of the mobility between waste oil and the waste water to make the convenient discharge of upper waste oil, improve oil-water separation's effect, this application provides an oil-water separator.

The application provides an oil-water separator adopts following technical scheme:

an oil-water separation device comprises a separation box, wherein a water inlet and a water outlet are respectively formed in two opposite ends of the separation box, a separation mechanism is arranged in the separation box, the inside of the separation box is divided into an oil-water separation cavity and an oil accumulation cavity through the separation mechanism, the upper part of the oil-water separation cavity is communicated with the oil accumulation cavity, an oil outlet is further formed in the separation box, and the oil outlet is communicated with the oil accumulation cavity;

an oil pushing mechanism is arranged at the communication position of the oil-water separation cavity and the oil accumulation cavity, the oil pushing mechanism comprises a driving roller, a driven roller and an annular conveying belt which are arranged side by side, the conveying belt is in friction connection with the driving roller and the driven roller, a push plate is arranged on the outer surface of the conveying belt, a driving piece is arranged on the outer side wall of the separation box, and the driving roller rotates through the driving piece; when the conveying belt is driven by the driving roller to operate, the floating oil at the top end of the oil-water separation cavity is pushed to the oil accumulation cavity through the push plate.

Through adopting above-mentioned technical scheme, utilize the density difference between oil and the water, the oil slick on surface of water upper strata can flow into long-pending oil pocket from the oil water separating chamber through partition mechanism, and the motion that utilizes the conveyer belt makes the push pedal promote the oil slick on surface of water upper strata to improve the floating oil speed on surface of water upper strata, change the difference of the mobility between oil and the water, thereby make upper oil conveniently discharge, improve oil-water separation's effect.

Optionally, a secondary separation cavity is arranged between the oil-water separation cavity and the oil accumulation cavity, the upper part of the secondary separation cavity is communicated with the oil-water separation cavity and the oil accumulation cavity, and the top of the secondary separation cavity is provided with another group of oil pushing mechanisms.

Through adopting above-mentioned technical scheme, make the cavity that forms a plurality of upper ends intercommunication between oil water separating chamber and the long-pending oil cavity through secondary separation chamber to realize multistage oil water separation, thereby improve oil water separation's effect.

Optionally, a first circulation mechanism is arranged between the secondary separation cavity and the oil-water separation cavity.

Through adopting above-mentioned technical scheme, first circulation mechanism can be with taking out to the oil-water separation chamber in secondary separation chamber bottom to make the water storage capacity in the secondary separation chamber reduce, can realize separating the reseparation of water in the secondary separation chamber simultaneously, thereby improved oil-water separation's effect.

Optionally, the first circulation mechanism includes a first return pipe, an inlet end of the first return pipe is communicated with the bottom end of the secondary separation chamber, an outlet end of the first return pipe is communicated with a water inlet end of the oil-water separation chamber, and a first return pump is arranged on the first return pipe.

By adopting the technical scheme, the inlet section of the first return pipe is communicated with the bottom of the secondary separation cavity, the contact range of the inlet of the first return pipe and the lower-layer moisture of the secondary separation cavity can be enlarged, so that the content of oil in the first return pipe is reduced, the water outlet end is connected with the water inlet end of the oil-water separation cavity, the flow path of return water can be increased, and the returned oil and water are layered again.

Optionally, a distance is left between the bottom of the oil accumulation cavity and the oil outlet.

By adopting the technical scheme, the distance between the oil outlet and the oil accumulation cavity can reduce the water content flowing from the secondary separation cavity to the oil accumulation cavity, and the drainage efficiency of upper floating oil in the secondary separation cavity is improved, so that the oil-water separation effect is improved.

Optionally, a second circulation mechanism is arranged between the oil accumulation cavity and the secondary separation cavity.

Through adopting above-mentioned technical scheme, the water that second circulation mechanism can take out long-pending oil pocket bottom is to secondary separation chamber in to make the water storage volume in the long-pending oil pocket reduce, can realize the secondary separation once more of long-pending oil pocket separation water simultaneously, thereby improved oil water separation's effect.

Optionally, the second circulation mechanism includes a second return pipe, an inlet end of the second return pipe is communicated with the bottom end of the oil accumulation cavity, an outlet end of the second return pipe is communicated with a water inlet end of the secondary separation cavity, and a second return pump is arranged on the second return pipe.

By adopting the technical scheme, the inlet section of the second return pipe is communicated with the bottom of the secondary separation cavity, the contact range of the inlet of the second return pipe and the lower-layer moisture of the oil accumulation cavity can be increased, so that the content of oil in the second return pipe is reduced, the water outlet end is connected with the water inlet end of the secondary separation cavity, the flow path of return water can be increased, and the returned oil and water are layered again.

Optionally, an oil suction tank is arranged at one end of the water outlet, which is away from the separation tank, and the inside of the oil suction tank is communicated with the separation tank through the water outlet.

Through adopting above-mentioned technical scheme, utilize the oil absorption case can adsorb the residual oil that flows from the delivery port for the oil content in the separation aquatic of outflow reduces, thereby improves oil-water separation's effect.

Optionally, the oil absorption tank comprises a hollow tank body, and oil absorption cotton is arranged in the tank body.

By adopting the technical scheme, the oil absorption cotton has better hydrophobicity, can be pertinently adsorbed the residual oil in the separation water, and can not absorb a large amount of water, thereby slowing down the saturation process of the oil absorption cotton adsorption, reducing the replacement of the oil absorption cotton and improving the efficiency of oil-water separation.

In summary, the present application includes at least one of the following beneficial technical effects:

1. by utilizing the density difference between oil and water, the floating oil on the upper layer of the water surface flows into the oil accumulation cavity from the oil-water separation cavity through the separation mechanism, and the moving of the conveyor belt enables the push plate to push the floating oil on the upper layer of the water surface, so that the flowing speed of the floating oil on the upper layer of the water surface is improved, the difference of the fluidity between the oil and the water is changed, the upper layer oil is conveniently discharged, and the oil-water separation effect is improved;

2. a plurality of cavities with communicated upper ends are formed between the oil-water separation cavity and the oil accumulation cavity through the secondary separation cavity, so that multi-stage oil-water separation is realized, and the oil-water separation effect is improved;

3. the first circulation mechanism can pump the bottom of the secondary separation cavity into the oil-water separation cavity, so that the water storage capacity in the secondary separation cavity is reduced, and the secondary separation of the separated water in the secondary separation cavity can be realized, so that the oil-water separation effect is improved;

4. the second circulation mechanism can pump out water at the bottom end of the oil accumulation cavity to the secondary separation cavity, so that the water storage amount in the oil accumulation cavity is reduced, and the secondary separation of the separated water in the secondary oil accumulation cavity can be realized, so that the oil-water separation effect is improved.

Drawings

FIG. 1 is a schematic view of the overall structure of the oil-water separator according to the present invention.

Fig. 2 is a schematic view of the internal structure of the separation tank in the embodiment of the present application.

Fig. 3 is a schematic structural diagram of an oil pushing mechanism in the embodiment of the present application.

Fig. 4 is a schematic diagram of a first cycle mechanism and a second cycle mechanism in the embodiment of the present application.

Fig. 5 is a schematic view of the internal structure of the oil suction tank in the embodiment of the present application.

Description of reference numerals: 1. a separation tank; 11. a support frame; 12. a water inlet; 13. a water outlet; 14. an oil-water separation chamber; 141. a secondary separation chamber; 15. an oil accumulation cavity; 16. an oil outlet; 2. a partition plate; 21. an extension plate; 22. a circular arc section; 3. a separation plate; 31. a flow guide part; 4. an oil pushing mechanism; 41. a drive roll; 42. a driven roller; 43. a conveyor belt; 431. pushing the plate; 44. a drive motor; 5. a first circulation mechanism; 51. a first return pipe; 52. a first reflux pump; 6. a second circulation mechanism; 61. a second return pipe; 62. a second reflux pump; 7. an oil suction tank; 71. a water outlet; 72. oil-absorbing cotton.

Detailed Description

The present application is described in further detail below with reference to figures 1-5.

The embodiment of the application discloses oil-water separator. Referring to fig. 1, the oil-water separator includes a rectangular separation tank 1 and a support bracket 11 welded to a bottom end of the separation tank 1 and supporting the separation tank 1. One of a set of two opposite side walls of the separation box 1 is provided with a water inlet 12, the other side wall is provided with a water outlet 13, and the water inlet 12 is higher than the water outlet 13 in the horizontal height. The end that water inlet 12 is located is the end of intaking of separator box 1, and the end that delivery port 13 is located is the play water end of separator box 1, and the lateral wall on the left of water inlet 12 is the left side board of separator box 1, and the lateral wall on the right of water inlet 12 is the right side board of separator box 1.

Referring to fig. 2, a baffle plate 2 is welded inside the separation box 1, the separation box 1 is divided into an oil-water separation chamber 14 and an oil accumulation chamber 15 by the baffle plate 2, and both the water inlet 12 and the water outlet 13 of the separation box 1 are communicated with the oil-water separation chamber 14. An oil outlet 16 is further formed in the outer side wall of the separation box 1, the oil outlet 16 is communicated with the oil accumulation cavity 15, and the oil outlet 16 is higher than the bottom end of the oil accumulation cavity 15. The end of the baffle plate 2 facing the water inlet 12 is spaced from the top wall of the separation tank 1 and the side wall of the separation tank where the water inlet 12 is located, so that the top end of the oil-water separation chamber 14 is communicated with the top end of the oil accumulation chamber 15. One end of the baffle plate 2 close to the water inlet end is fixed with an extension plate 21 which is vertically arranged, and a distance is reserved between the top end of the extension plate 21 and the top wall of the separation box 1. The top end of the extension plate 21 is integrally formed with a circular arc section 22. The horizontal height of the end of the clapboard 2 close to the water inlet end is higher than that of the end of the clapboard 2 close to the water outlet end, and the water outlet 13 is positioned below the clapboard 2.

The separating plate 3 which is vertically arranged is fixedly connected to the end face of the upper end of the separating plate 2, the lower end of the separating plate 3 is fixedly connected with the separating plate 2, the oil collecting cavity 15 is divided into a secondary separating cavity 141 through the separating plate 3, and the secondary separating cavity 141 is located between the oil collecting cavity 15 and the oil-water separating cavity 14. The opening of the top end of the secondary separation chamber 141 is lower than the opening of the top end of the oil-water separation chamber 14. The upper end of the separation plate 3 is integrally formed with an arc-shaped flow guide part 31, and the concave surface of the flow guide part 31 is positioned below the flow guide part 31. An oil pushing mechanism 4 is arranged above each separating plate 3, and the oil pushing mechanism 4 is located on one side, close to the oil-water separating cavity 14, of each separating plate 3.

The number of the separation plates 3 is not limited to one, and when the number of the separation plates 3 exceeds one, the number of the secondary separation chambers 141 is the same as the number of the separation plates 3 and are arranged in series.

Referring to fig. 3, the oil pushing mechanism 4 includes a horizontally disposed drive roller 41, a driven roller 42, and an endless belt 43, the drive roller 41 and the driven roller 42 extending along a left sidewall to a right sidewall of the separator tank 1 and being rotatably connected to the separator tank 1. The conveyor belt 43 is simultaneously sleeved on the outer peripheral surfaces of the drive roller 41 and the driven roller 42 and is in frictional connection with the drive roller 41 and the driven roller 42. The outer surface of the conveyor belt 43 is integrally formed with a push plate 431, the plate surface of the push plate 431 is arranged along the direction perpendicular to the driving roller 41 to the driving roller 42, and the push plate 431 is arranged in a plurality at intervals along the circumferential direction of the conveyor belt 43. One end of the driving roller 41 is coaxially provided with a driving motor 44, the shell of the driving motor 44 is fixedly connected with the outer side wall of the separation box 1, and the output shaft of the driving motor 44 penetrates through the side wall of the separation box 1 and is fixedly connected with the driving roller 41. The push plate 431 located below the conveyor belt 43 is moved by the drive roller 41 from the oil-water separation chamber 14 toward the oil accumulation chamber 15.

Referring to fig. 4, a first circulation mechanism 5 is provided between the secondary separation chamber 141 and the oil-water separation chamber 14. The first circulation mechanism 5 comprises a first return pipe 51, and the first return pipe 51 is fixedly connected with the outer side wall of the separation box 1. The inlet end of the first return pipe 51 is communicated with the bottom of the secondary separation chamber 141, and the outlet end of the first return pipe 51 is communicated with the water inlet end of the oil-water separation chamber 14. The first return pipe 51 is provided with a first return pump 52, and the sewage at the bottom of the secondary separation chamber 141 is pumped to the water inlet 12 of the oil-water separation chamber 14 by the first return pump 52.

A second circulation mechanism 6 is provided between the oil accumulation chamber 15 and the secondary separation chamber 141. The second circulation mechanism 6 comprises a second return conduit 61, which second return conduit 61 is fixedly connected to the outer side wall of the separation tank 1. The inlet end of the second return pipe 61 is communicated with the bottom of the oil accumulation chamber 15, and the outlet end of the second return pipe 61 is communicated with the water inlet end of the secondary separation chamber 141. The second return pipe 61 is provided with a second return pump 62, and the sewage at the bottom of the oil accumulation cavity 15 is pumped to the water inlet 12 of the secondary separation cavity 141 through the second return pump 62.

Referring to fig. 5, a rectangular oil suction box 7 is arranged at one end of the water outlet 13 away from the separation box 1, the inside of the oil suction box 7 is communicated with the inside of the separation box 1 through the water outlet 13, a water outlet 71 is arranged on the end surface of the oil suction box 7 away from the separation box 1, and the water outlet 71 is communicated with the inside of the oil suction box 7. The oil absorption cotton 72 is filled in the oil absorption tank 7, the oil absorption cotton 72 is made of polypropylene material, and the residual oil in the sewage flowing through the oil absorption tank 7 is further removed through the oil absorption cotton 72.

The implementation principle of the oil-water separation device in the embodiment of the application is as follows: when the liquid level in the separator box 1 and the upper end terminal surface parallel and level of separator plate 3, drive roll 41 through driving motor 44 and rotate to the messenger changes from taking the operation, when conveyer belt 43 operates, changes and to push plate 431 from taking the surface and can push the oil slick on oil-water separation chamber 14 top to long-pending oil cavity 15 in, thereby improves the separation speed between waste oil and the waste water on the sewage surface of water, thereby improves oil-water separation efficiency.

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

Claims

1. The utility model provides an oil-water separator, includes separator box (1), the both ends that separator box (1) is relative are provided with water inlet (12) and delivery port (13) respectively, its characterized in that: a separation mechanism is arranged in the separation box (1), the interior of the separation box (1) is divided into an oil-water separation cavity (14) and an oil accumulation cavity (15) through the separation mechanism, the upper part of the oil-water separation cavity (14) is communicated with the oil accumulation cavity (15), an oil outlet (16) is further arranged on the separation box (1), and the oil outlet (16) is communicated with the oil accumulation cavity (15);

oil-water separation chamber (14) with the intercommunication department of oil accumulation chamber (15) is provided with pushes away oily mechanism (4), push away oily mechanism (4) including drive roll (41), driven voller (42) and annular conveyer belt (43) that set up side by side, conveyer belt (43) with drive roll (41) with driven voller (42) friction links to each other, the surface of conveyer belt (43) is provided with push pedal (431), be provided with the driving piece on the lateral wall of separator box (1), drive roll (41) pass through the driving piece rotates, conveyer belt (43) are in when the drive of drive roll (41) is down in operation, the oil slick on oil-water separation chamber (14) top passes through push pedal (431) propelling movement extremely in oil accumulation chamber (15).

2. The oil-water separator according to claim 1, wherein: a secondary separation cavity (141) is arranged between the oil-water separation cavity (14) and the oil accumulation cavity (15), the upper part of the secondary separation cavity (141) is communicated with the oil-water separation cavity (14) and the oil accumulation cavity (15), and the top of the secondary separation cavity (141) is provided with another group of oil pushing mechanisms (4).

3. The oil-water separator according to claim 2, wherein: and a first circulation mechanism (5) is arranged between the secondary separation cavity (141) and the oil-water separation cavity (14).

4. The oil-water separator according to claim 3, wherein: the first circulation mechanism (5) comprises a first return pipe (51), the inlet end of the first return pipe (51) is communicated with the bottom end of the secondary separation cavity (141), the outlet end of the first return pipe (51) is communicated with the water inlet end of the oil-water separation cavity (14), and a first return pump (52) is arranged on the first return pipe (51).

5. The oil-water separator according to claim 1, wherein: and a distance is reserved between the bottom of the oil accumulation cavity (15) and the oil outlet (16).

6. The oil-water separator according to claim 2, wherein: and a second circulation mechanism (6) is arranged between the oil accumulation cavity (15) and the secondary separation cavity (141).

7. The oil-water separator according to claim 6, wherein: the second circulation mechanism (6) comprises a second return pipe (61), the inlet end of the second return pipe (61) is communicated with the bottom end of the oil accumulation cavity (15), the outlet end of the second return pipe (61) is communicated with the water inlet end of the secondary separation cavity (141), and a second return pump (62) is arranged on the second return pipe (61).

8. The oil-water separator according to claim 1, wherein: one end of the water outlet (13) deviating from the separation box (1) is provided with an oil suction box (7), and the inside of the oil suction box (7) is communicated with the separation box (1) through the water outlet (13).

9. The oil-water separator according to claim 8, wherein: the oil absorption tank (7) is internally provided with oil absorption cotton (72).