CN216005284U - Oil-water separator - Google Patents

Abstract

The utility model discloses an oil-water separator, which comprises a box body, wherein a filter box communicated with the box body is arranged on the box body, an inlet is formed in the filter box, a filter screen is arranged in the filter box, a first oil-water partition plate component is arranged in the box body, a first oil-water layering area for an oil-water mixture to enter after being filtered by the filter screen from the inlet is formed by the first oil-water partition plate component and the box body, the first oil-water partition plate component comprises a first sealing plate which extends downwards from the top of the box body, the bottom of the first oil-water layering area is hermetically hinged with the first sealing plate, the first sealing plate is sealed with the bottom of the box body, and the first sealing plate forms a first gate for opening and closing the first oil-water layering area; one side top of box is equipped with the outlet, is connected with the first body that is located first oil-water stratification zone on the first closing plate, and along with oil-water mixture's liquid level constantly increases, first body come-up drives first closing plate and rotates, and first gate is opened, and rivers go out and can get into the outlet to improve water oil separating's efficiency and its simple structure, practicality are strong.

Description

Oil-water separator

Technical Field

The utility model relates to the technical field of oil-water separation, in particular to an oil-water separator.

Background

The environmental protection has become the focus of the present society, and is always not satisfactory to the treatment of pollution discharge mode, especially the treatment of oily wastewater is always a concern of the environmental protection industry, the great trouble is brought to the aspect of sewage treatment by the large discharge of oily industrial wastewater and domestic sewage, if the oily wastewater is discharged into the water environment, not only the water body is polluted, but also the normal activities of related organisms are influenced, and the harm is also caused to the human health. Therefore, the sewage containing the oil-contaminated impurities is subjected to oil-water separation treatment.

The oil-water separator is a device for separating water from oil, but the existing oil-water separator has more devices, generally carries out oil-water separation by the technologies of mechanical adhesion, electric floating separation, physical separation, chemical separation and the like, and has the disadvantages of complex structural design, electric energy consumption, higher cost, poorer oil-water separation effect and low practicability. Therefore, it is very important to design an economical and efficient oil-water separation device.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects of the prior art, the utility model aims to provide the oil-water separator which is simple in structure, strong in practicability and capable of improving the oil-water separation effect.

The purpose of the utility model is realized by adopting the following technical scheme:

an oil-water separator comprises a box body, wherein a filter box communicated with the box body is arranged on the box body, an inlet for an oil-water mixture to enter the box body is formed in the filter box, and a filter screen is arranged in the filter box and used for filtering the oil-water mixture;

a first oil-water separation plate assembly is arranged in the box body, a first oil-water separation zone for oil-water mixture to enter after being filtered by the filter screen is formed between the first oil-water separation plate assembly and the box body, the first oil-water separation plate assembly comprises a first separation plate and a first sealing plate, the first separation plate extends downwards from the top of the box body but is not contacted with the bottom of the box body, the bottom of the first separation plate is hinged with the first sealing plate in a sealing mode, the first sealing plate is sealed with the bottom of the box body to prevent oil-water mixed liquid from flowing out from a gap between the first sealing plate and the bottom of the box body, and the hinged first sealing plate forms a first gate for opening and closing the first oil-water separation zone;

the water outlet is further formed in the top end of one side of the box body, a first floating body is connected to the first sealing plate and located in the first oil-water layering area, oil entering the oil-water mixture in the first oil-water layering area floats on the surface of water, when oil-water mixed liquid is larger than the buoyancy of the first floating body, the first floating body floats upwards to drive the first sealing plate to rotate so that the first gate is opened, water in the oil-water mixed liquid flows out from the first oil-water layering area, and the flowing water can enter the water outlet to be discharged.

Further, a first oil discharge port for discharging oil is arranged on the side wall of the first oil-water stratification area.

Further, a first drain outlet for draining is arranged at the bottom of the first oil-water stratification area.

Further, still be provided with the baffle in the box, the baffle upwards extends but not with the top contact of box from the bottom of box, the baffle is located one side of first profit baffle subassembly and not in first profit layering district, through the baffle with first profit baffle subassembly forms a water proof passageway.

Further, still be provided with second profit baffle subassembly in the box, second profit baffle subassembly with the baffle is formed with the second profit layering district for the separation through the mixed liquid of the profit after the separation of first profit layering district, second profit baffle subassembly includes second baffle and second closing plate, the second baffle extends downwards from the top of box but not with the bottom contact of box, the bottom of second baffle is sealed articulated the second closing plate, just the second closing plate is sealed with the bottom of box to prevent that the mixed liquid of profit from flowing out from the gap between second closing plate and the bottom of box, articulated second closing plate forms and is used for the switching the second gate in second profit layering district, still be connected with the second body on the second closing plate, just the second body is located in the second profit layering district.

Further, a second oil drain port for draining oil is arranged on the side wall of the second oil-water stratification area.

Further, a second sewage draining outlet for draining sewage is arranged at the bottom of the second oil-water stratification area.

Further, a third sewage draining outlet for draining sewage is arranged at the bottom of the water isolating channel.

Further, the first floating body is a hollow sphere, a hollow cylinder or a hollow cube.

Further, the second floating body is a hollow sphere, a hollow cylinder or a hollow cube.

Compared with the prior art, the utility model has the beneficial effects that:

according to the utility model, larger particle residues in the oil-water mixture are firstly filtered through the filter screen, the filtered oil-water mixture enters the first oil-water separation, as the density of water is higher than that of oil, oil floats on the surface of water, and as the liquid level of the oil-water mixture is continuously increased, the buoyancy of the oil-water mixture to the first floating body is larger than the gravity of the first floating body, the first floating body floats upwards and can drive the first sealing plate to rotate, the first gate is opened, water in the oil-water mixture flows out from the first oil-water layering area, and the outflow water can enter the water outlet to be discharged, so that the initial oil is prevented from entering the discharge port, and the oil-water separation effect is improved, and the structure is simple and the practicability is strong.

Drawings

FIG. 1 is a first schematic diagram illustrating a first oil-water separation zone in accordance with an embodiment of the present invention;

FIG. 2 is a second schematic structural view illustrating a state of a first oil-water separation zone in accordance with an embodiment of the present invention;

FIG. 3 is a schematic view of a first oil/water separator assembly according to an embodiment of the present invention;

FIG. 4 is a schematic perspective view of a first oil-water separation zone of the present invention;

FIG. 5 is an exploded view of the internal structure of the present invention in a state containing a first oil-water separation zone;

FIG. 6 is a schematic diagram of an initial state of a mixed oil-water solution entering a first oil-water stratification zone in accordance with an embodiment of the present invention;

FIG. 7 is a first schematic structural view illustrating a state in which buoyancy of the oil-water mixture to the first floating body is greater than self-gravity of the first floating body according to an embodiment of the present invention;

FIG. 8 is a second schematic structural view illustrating a state in which buoyancy of the oil-water mixture to the first floating body is greater than self-gravity of the first floating body according to an embodiment of the present invention;

FIG. 9 is a schematic diagram illustrating an internal structure of the oil-water separation zone including a first oil-water separation zone and a second oil-water separation zone according to an embodiment of the present invention;

FIG. 10 is a schematic view of an inlet with a bent pipe according to an embodiment of the present invention;

FIG. 11 is a schematic diagram of an initial state of an oil-water mixture entering a first oil-water stratification zone under conditions of a first oil-water stratification zone and a second oil-water stratification zone in accordance with an embodiment of the present invention;

FIG. 12 is a schematic structural diagram of the first floating body in a state of containing the first oil-water separation region and the second oil-water separation region according to the embodiment of the present invention, wherein the buoyancy of the oil-water mixture to the first floating body is greater than the self-gravity of the first floating body;

FIG. 13 is a schematic diagram of an initial state of an oil-water mixture entering a second oil-water stratification zone under conditions comprising a first oil-water stratification zone and a second oil-water stratification zone in accordance with an embodiment of the present invention;

fig. 14 is a schematic structural view illustrating a state in which buoyancy of the oil-water mixture to the second floating body is greater than self-gravity of the second floating body when the first oil-water stratification region and the second oil-water stratification region are included in the embodiment of the present invention.

In the figure: 1. a box body; 10. a first oil-water stratification zone; 11. a first separator; 110. an extension plate; 12. a first sealing plate; 120. a connecting rod; 1200. a first float; 121. a sealing strip; 13. a water outlet; 14. a first oil discharge port; 15. a first drain port; 16. a baffle plate; 17. a water-resisting passage; 170. a third sewage draining outlet; 18. a second oil-water stratification zone; 180. a second sewage draining outlet; 181. a second oil drain port; 19. a second separator; 190. a second sealing plate; 1900. a second float; 2. a filter box; 20. an inlet; 200. a bent pipe; 21. a shelf board; 210. and (4) a filter screen.

Detailed Description

The present invention will be described with reference to the accompanying drawings and the detailed description, and it should be noted that, in the following description, various embodiments or technical features may be arbitrarily combined to form a new embodiment without conflict.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "horizontal", "vertical", "top", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as being fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; either directly or indirectly through intervening media, or through both elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

The implementation mode is as follows:

referring to fig. 1-9, the present invention shows an oil-water separator, which includes a box body 1, a filter tank 2 communicated with the box body 1 is disposed on the box body 1, an inlet 20 for an oil-water mixture to enter the box body 1 is disposed on the filter tank 2, the inlet 20 may be disposed on the top of the filter tank 2 or on the top of the sidewall of the filter tank 2, a filter screen 210 is disposed in the filter tank 2 for filtering the oil-water mixture, of course, the filter screen 210 is detachably connected with the filter tank 2, so that the filter screen 210 is convenient to detach for cleaning or replacing. Preferably, the two sides in the filter box 2 are provided with a placing plate 21 for placing the filter screen 210, and when the filter screen 210 needs to be disassembled, the filter screen 210 only needs to be drawn away from the partition (similar to a drawer).

The oil-water separator is characterized in that a first oil-water separator component is arranged in the box body 1, a first oil-water layering area 10 for an oil-water mixture to enter after being filtered by the filter screen 210 is formed through the first oil-water separator component and the box body 1, namely the oil-water mixture enters the filter box 2 from an open position, and after larger particles in the oil-water mixture are filtered by the filter screen 210, the oil-water mixture enters the first oil-water layering area 10. Specifically, the first oil-water separation plate assembly includes a first separation plate 11 and a first sealing plate 12, the first separation plate 11 extends downward from the top of the tank 1 but does not contact with the bottom of the tank 1, the bottom of the first separation plate 11 is hermetically hinged to the first sealing plate 12, and the first sealing plate 12 is hermetically sealed with the bottom of the tank 1 to prevent the oil-water mixture from flowing out from a gap between the first sealing plate 12 and the bottom of the tank 1, and the hinged first sealing plate 12 forms a first gate for opening and closing the first oil-water stratification region 10.

The top end of one side of the box body 1 is further provided with a water outlet 13 for discharging water after separation of an oil-water mixture, the first sealing plate 12 is connected with a first floating body 1200, and the first floating body 1200 is located in the first oil-water stratification region 10, preferably, the first floating body 1200 is connected with the first sealing plate 12 through a connecting rod 120, and since the density of water is greater than that of oil, oil of the oil-water mixture entering the first oil-water stratification region 10 floats on the surface of water, preferably, the first floating body 1200 may be a hollow sphere, a hollow cylinder, or a hollow cube, and is not limited herein.

When the oil-water mixed liquid enters the first oil-water stratification zone 10 through the inlet 20 in the initial state, the oil and water cannot be quickly stratified, the stratification can be realized only by standing for a certain short time, the buoyancy of the oil-water mixed liquid to the first floating body 1200 is smaller than the gravity of the first floating body 1200, the first floating body 1200 cannot float upwards to drive the first sealing plate 12 to rotate, namely the first gate at the moment is in a closed state, and the oil-water mixed liquid cannot flow out of the first oil-water stratification zone 10, so that the oil-water mixed liquid just entering the first oil-water stratification zone 10 has a certain time to be subjected to standing stratification. Along with the liquid level of the oil-water mixture is continuously increased, when the buoyancy of the oil-water mixture to the first floating body 1200 is greater than the gravity of the first floating body 1200, the first floating body 1200 floats upwards and can drive the first sealing plate 12 to rotate, so that the first gate is opened, water in the oil-water mixture flows out from the first oil-water stratification zone 10, the oil floats on the upper surface and is continuously isolated in the first oil-water stratification zone 10, and the flowing water can enter the water outlet 13 to be discharged. And when the buoyancy of the oil-water mixed liquid to the first floating body 1200 is smaller than the gravity of the first floating body 1200, the first gate is closed, the oil-water mixture continues to perform oil-water standing separation in the first oil-water stratification region 10, so that the pollution of initial oil is avoided, the oil-water separation effect is improved, and the structure is simple and the practicability is high.

It should be noted that the first oil-water separator assembly and the second oil-water separator assembly have the same structure, and preferably, the first sealing plate 12 and the first separator 11 may be hinged in a hinge manner, or may be hinged in another manner that the first sealing plate 12 can rotate, which is not limited herein; further, the seal strips 121 are provided on the upper portion of the first seal plate 12 to prevent a gap between the first seal plate 12 and the first partition plate 11, and the seal strips 121 are also provided on the bottom portion of the first seal plate 12 to seal the bottom portion of the first seal plate 12 and the box body 1.

Certainly, the sealing between the first sealing plate 12 and the first partition plate 11 and the bottom of the tank 1 may also adopt other sealing forms, which are not limited herein, as shown in fig. 5, an extension plate 110 extends from the bottom of the first partition plate 11 into the first oil-water layer region 10, that is, the extension plate 110 is attached to the bottom plane of the first partition plate 11, so as to realize the sealing between the first partition plate 11 and the extension plate, a sealing strip 121 is disposed at the bottom of the extension plate 110, so as to realize the sealing between the extension plate 110 and the bottom of the tank 1, a through hole is formed in the extension plate 110, the first sealing plate 12 is disposed on the surface of the extension plate 110 so as to cover the through hole, and the first sealing plate 12 is hinged to the first partition plate 11, when the buoyancy of the oil-water mixed liquid to the first floating body 1200 is greater than the gravity of the first floating body 1200 itself, the first floating body 1200 floats upwards and can drive the first sealing plate 12 to rotate, the water flows out from the position of the through hole.

Preferably, the side wall of the first oil-water separation zone 10 is provided with a first oil discharge port 14 for discharging oil, of course, the first oil discharge port 14 is arranged at the top position of the side wall of the tank 1, when oil needs to be discharged, the water discharge port 13 is closed, the first oil discharge port 14 is opened, and when the liquid level of the oil-water mixture liquid increases and reaches the position of the first oil discharge port 14, oil floating on the water surface is discharged from the position of the first oil discharge port 14. The first oil discharge port 14 is not opened at all times, but is opened only when oil discharge is required. Further, the bottom of the first oil-water stratification area 10 is provided with a first drain outlet 15 for draining, and when the oil-water separator is cleaned, the first drain outlet 15 is convenient for draining sewage generated by the first oil-water stratification area 10.

Referring to fig. 10-14, it is understood that the oil and water in the oil-water mixture may be filtered in a multi-layer manner, that is, a plurality of oil-water layered regions may be disposed to filter and separate the oil and water in the oil-water mixture layer by layer, so that the water finally discharged through the water outlet 13 is more pure. Preferably, a baffle 16 is further disposed in the tank 1, the baffle 16 extends upward from the bottom of the tank 1 but does not contact with the top of the tank 1, the baffle 16 is disposed on one side of the first oil-water separator assembly and is not located in the first oil-water separation region 10, and a water-stop channel 17 is formed by the baffle 16 and the first oil-water separator assembly. After the oil and water are separated by the first oil-water separation zone 10, the water in the oil-water mixture enters the water-stop passage 17 in a state where the first gate is opened.

Further, a second oil-water separation plate component is further arranged in the box body 1, and a second oil-water layering area 18 is formed by the second oil-water separation plate component and the baffle 16 and used for separating oil-water mixture separated by the first oil-water layering area 10. Specifically, the second oil-water separation plate assembly includes a second separation plate 19 and a second sealing plate 190, the second separation plate 19 extends downward from the top of the tank 1 but does not contact with the bottom of the tank 1, the bottom of the second separation plate 19 is hermetically hinged to the second sealing plate 190, and the second sealing plate 190 is sealed with the bottom of the tank 1 to prevent the oil-water mixture from flowing out from a gap between the second sealing plate 190 and the bottom of the tank 1, the hinged second sealing plate 190 forms a second gate for opening and closing the second oil-water separation zone 18, a second float 1900 is further connected to the second sealing plate 190, of course, the second sealing plate 190 and the second float 1900 are also connected by a connecting rod 120, and the second float 1900 is located in the second oil-water separation zone 18. Preferably, the second floating body 1900 may be a hollow sphere, a hollow cylinder, or a hollow cube, which is not limited herein. Of course, the second sealing plate 190 may be hinged to the second partition 19, and may also be hinged to the second sealing plate 190 in other forms, which are not limited herein, and can also realize the rotation of the second sealing plate 190; the sealing between the second seal plate 190 and the second partition plate 19 and the bottom of the tank 1 may be performed by the sealing between the first seal plate 12 and the first partition plate 11 and the bottom of the tank 1.

Along with the increase of the liquid level of the oil-water mixture in the first oil-water stratification zone 10, the buoyancy of the oil-water mixture to the first floating body 1200 is always larger than the gravity of the first floating body 1200, that is, the first gate is always in an open state, water at the bottom of the oil-water mixture flows into the water-blocking passage 17 from the position of the first gate, and along with the increase of the liquid level, the water in the water-blocking passage 17 enters the second oil-water stratification zone 18, so that the water separated by the first oil-water stratification zone 10 is prevented from directly entering the second oil-water stratification zone 18. Because the water separated by the first oil-water stratification zone 10 contains more or less oil, the oil-water mixed liquid in the first oil-water stratification zone 10 and the oil-water mixed liquid in the second oil-water stratification zone 18 can be separated by the water-proof channel 17, so that the liquid in the two oil-water stratification zones is prevented from mixing up to influence the oil-water separation effect.

When the oil-water mixed liquid separated by the first oil-water layering zone 10 enters the second oil-water layering zone 18, along with the increase of the liquid level of the oil-water mixed liquid in the second oil-water layering zone 18, when the buoyancy of the oil-water mixed liquid to the second floating body 1900 is greater than the gravity of the second floating body 1900, the second floating body 1900 floats upwards and can drive the second sealing plate 190 to rotate, the second gate is opened, the water in the oil-water mixed liquid flows out of the second oil-water layering zone 18, and the flowing water can enter the water outlet 13 to be discharged, so that the further separation of the oil-water mixed liquid is realized, and the oil-water separation effect is further improved.

Preferably, a second oil drain port 181 for draining oil is provided on a side wall of the second oil-water separation zone 18, and of course, the second oil drain port 181 is also provided at a top position of a side wall of the tank 1, and when oil needs to be drained, the drain port 13 is closed, the first oil drain port 14 is opened, and the second oil drain port 181 discharges oil floating on the surface of water from the first oil drain port 14 and the second oil drain port 181 respectively. The second drain port 181 is not always opened, but is opened only when it is necessary to drain oil. Further, a second sewage discharge port 180 for discharging sewage is arranged at the bottom of the second oil-water stratification region 18, so that sewage generated by the second oil-water stratification region 18 can be discharged when the oil-water separator is cleaned. Furthermore, a third sewage draining outlet 170 for draining sewage is arranged at the bottom of the water isolating channel 17, so that sewage generated in the water isolating channel 17 can be drained when the oil-water separator is cleaned.

In addition, in order to avoid that the oil and water are not layered due to the fact that the water flow above the inlet 20 directly washes the bottom of the tank body 1, the inlet 20 is communicated with a bent pipe 200, the bent pipe 200 is located in the first oil-water layered area 10, and the bent pipe 200 is a U-shaped pipe, so that the effect that the oil-water layered effect is affected due to the fact that the oil-water mixed liquid entering from the inlet 20 directly washes the bottom of the tank body 1 is avoided.

The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention is not limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are within the protection scope of the present invention.

Claims (10)

1. An oil-water separator comprises a box body, and is characterized in that a filter box communicated with the box body is arranged on the box body, an inlet for an oil-water mixture to enter the box body is arranged on the filter box, and a filter screen is arranged in the filter box and used for filtering the oil-water mixture;

a first oil-water separation plate assembly is arranged in the box body, a first oil-water separation zone for oil-water mixture to enter after being filtered by the filter screen is formed between the first oil-water separation plate assembly and the box body, the first oil-water separation plate assembly comprises a first separation plate and a first sealing plate, the first separation plate extends downwards from the top of the box body but is not contacted with the bottom of the box body, the bottom of the first separation plate is hinged with the first sealing plate in a sealing mode, the first sealing plate is sealed with the bottom of the box body to prevent oil-water mixed liquid from flowing out from a gap between the first sealing plate and the bottom of the box body, and the hinged first sealing plate forms a first gate for opening and closing the first oil-water separation zone;

the water outlet is further formed in the top end of one side of the box body, a first floating body is connected to the first sealing plate and located in the first oil-water layering area, oil entering the oil-water mixture in the first oil-water layering area floats on the surface of water, when oil-water mixed liquid is larger than the buoyancy of the first floating body, the first floating body floats upwards to drive the first sealing plate to rotate so that the first gate is opened, water in the oil-water mixed liquid flows out from the first oil-water layering area, and the flowing water can enter the water outlet to be discharged.

2. The oil-water separator as claimed in claim 1, wherein a first oil drain port for draining oil is provided on a side wall of the first oil-water stratification region.

3. The oil-water separator as claimed in claim 1, wherein a first drain port for draining the sewage is provided at a bottom of the first oil-water stratification zone.

4. The oil-water separator as claimed in claim 1, wherein a baffle is further disposed in the tank, the baffle extends upward from the bottom of the tank but does not contact with the top of the tank, the baffle is disposed on one side of the first oil-water separator assembly and is not in the first oil-water separation region, and a water-blocking passage is formed between the baffle and the first oil-water separator assembly.

5. The oil-water separator as set forth in claim 4, wherein: a second oil-water partition plate component is also arranged in the box body, a second oil-water layered area is formed by the second oil-water partition plate component and the baffle plate, the second oil-water separator component is used for separating the oil-water mixed liquid after being separated by the first oil-water stratification zone, and comprises a second separator and a second sealing plate, the second partition extends downwards from the top of the box body but is not in contact with the bottom of the box body, the bottom of the second partition is in sealing hinge joint with the second sealing plate, and the second sealing plate is sealed with the bottom of the box body, so as to prevent the oil-water mixed liquid from flowing out from the gap between the second sealing plate and the bottom of the box body, the hinged second sealing plate forms a second gate for opening and closing the second oil-water layered area, and the second sealing plate is also connected with a second floating body, and the second floating body is positioned in the second oil-water layered area.

6. The separator of claim 5, wherein a second drain port is provided in a side wall of the second oil-water separation region for draining oil.

7. The oil-water separator as claimed in claim 5, wherein a second drain outlet for draining sewage is provided at the bottom of the second oil-water stratification zone.

8. The oil-water separator as claimed in claim 4, wherein a third drain outlet for draining sewage is provided at the bottom of the water-stop passage.

9. The oil-water separator as claimed in claim 1, wherein the first float is a hollow sphere, a hollow cylinder or a hollow cube.

10. The oil-water separator as claimed in claim 5, wherein the second float is a hollow sphere, a hollow cylinder or a hollow cube.

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