CN212818290U

CN212818290U - Oil-water separator

Info

Publication number: CN212818290U
Application number: CN202020804792.9U
Authority: CN
Inventors: 宋波; 韦旭东; 杨光; 耿兰
Original assignee: XiAn China Railway Engineering Equipment Co Ltd
Current assignee: XiAn China Railway Engineering Equipment Co Ltd
Priority date: 2020-05-15
Filing date: 2020-05-15
Publication date: 2021-03-30
Anticipated expiration: 2030-05-15

Abstract

The oil-water separator comprises a separation tank, an oil pump and a drainage tank; an oil inlet, an oil outlet, a water outlet and an air outlet are respectively arranged on the separation box; the oil pump is communicated with the oil inlet through an oil inlet pipe; the water outlet is communicated with the drainage tank, and the air outlet is higher than the oil outlet; the oil outlet is higher than the water outlet. The utility model has the advantages that: the oil outlet and the water outlet are arranged at different heights, and the oil-water physical separation is realized by combining the principle that the oil density is different from the water density, so that the oil-water separator is simple in structure, free of adding a catalyst, low in use cost, high in economic benefit and suitable for small-sized enterprises with less oily wastewater.

Description

Oil-water separator

Technical Field

The utility model belongs to the technical field of the oil water treatment, especially, relate to an oil water separator.

Background

Some existing equipment needs to be cleaned with water to remove oil stains and dust on the surface of the equipment before maintenance and reconstruction, so that part of oily wastewater is generated, industrial oily wastewater must be treated according to a management program of hazardous wastes and cannot be discharged randomly, and the cost of enterprises is increased invisibly. If the separation of the oil substances in the water can be realized, the amount of dangerous waste is greatly reduced, the cost of dangerous waste treatment is reduced, and meanwhile, after the separation of the oil substances in the waste water, the remaining water can be recycled after further treatment. However, the existing oil-water separator on the market has a complex structure, a part of separators need to be added with catalysts, the price is expensive, the use cost is high, and the small-sized enterprises with less oily wastewater have low economic benefit and are difficult to popularize and apply.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome above-mentioned prior art's shortcoming, provide an oil-water separator, it has simple structure, and use cost is low, advantages such as economic benefits height.

The utility model aims at solving through the following technical scheme:

the oil-water separator comprises a separation tank, an oil pump and a drainage tank; an oil inlet, an oil outlet, a water outlet and an air outlet are respectively arranged on the separation box; the oil pump is communicated with the oil inlet through an oil inlet pipe; the water outlet is communicated with the drainage tank, and the air outlet is higher than the oil outlet; the oil outlet is higher than the water outlet.

Further, a plurality of separation plates are vertically stacked between the oil outlet and the water outlet in the separation box; the separation plate comprises a first screen plate, a second screen plate and a third screen plate; the first screen plate is horizontally arranged; the two second screen plates are respectively arranged on two opposite sides of the first screen plate, one end of each second screen plate is connected with the first screen plate, and the other end of each second screen plate is connected with the inner wall of the separation box in an inclined and downward manner towards one end far away from the first screen plate; the number of the third screen plates is multiple, and the third screen plates are vertically arranged at the upper ends of the first screen plates and/or the second screen plates at intervals respectively.

Further, the adjacent separation plates are vertically stacked and connected through the third mesh plate on the separation plate below.

Furthermore, two symmetrical partition plates which are spaced are arranged between the oil outlet and the water outlet in the separation box; the partition plate is arranged above the uppermost separating plate; one end of the partition board is connected with the inner wall of the separation box, and the other end of the partition board inclines downwards and is connected with the separation board.

Furthermore, the two partition plates are respectively connected with different third screen plates on the same separating plate.

Furthermore, a plurality of baffle strips are arranged at intervals at the upper end of the clapboard along the inclined direction of the clapboard.

Furthermore, the heights of the plurality of stopping strips at the setting positions are sequentially reduced, and the heights of the bulges of the stopping strips are sequentially increased.

Further, a sewage draining outlet communicated with the water draining tank is further formed in the separating tank.

Furthermore, a plurality of sewage outlets are respectively arranged on two opposite sides of the separation box.

Further, the oil inlet and the air outlet are respectively arranged at the upper end of the separation box.

The utility model has the advantages that: the oil outlet and the water outlet are arranged at different heights, and the oil-water physical separation is realized by combining the principle that the oil density is different from the water density, so that the oil-water separator is simple in structure, free of adding a catalyst, low in use cost, high in economic benefit and suitable for small-sized enterprises with less oily wastewater.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description, serve to explain the principles of the invention.

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive labor.

FIG. 1 is a schematic structural view of the oil-water separator of the present invention;

fig. 2 is a partially cut-away perspective view of the separator tank of fig. 1.

Fig. 3 is a partial perspective view of a single separation plate in fig. 2.

Wherein: 1. a separation tank; 2. an oil pump; 3. a drain tank; 4. an oil inlet; 5. an oil outlet; 6. a water outlet; 7. an air outlet; 8. a separation plate; 8.1, a first screen plate; 8.2, a second screen plate; 8.3, a third screen plate; 9. a partition plate; 10. a stop bar; 11. a sewage draining outlet.

Detailed Description

Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present invention. Rather, they are merely examples of apparatus consistent with certain aspects of the invention, as detailed in the following claims.

In order to make those skilled in the art better understand the technical solution of the present invention, the present invention will be further described in detail with reference to the accompanying drawings and the embodiments.

Referring to fig. 1, 2 and 3, the oil-water separator comprises a separation tank 1, an oil pump 2 and a drainage tank 3; an oil inlet 4, an oil outlet 5, a sewage draining exit 11, a water outlet 6 and an air outlet 7 are respectively arranged on the separation box 1; the oil pump 2 is communicated with the oil inlet 4 through an oil inlet pipe; the water outlet 6 and the drain outlet 11 are respectively communicated with the drain tank 3, in the embodiment, a plurality of drain outlets 11 are respectively arranged at two opposite sides of the separation tank 1, and the air outlet 7 is higher than the oil outlet 5; the setting height of the oil outlet 5 is higher than that of the water outlet 6. In this embodiment, the oil inlet 4 and the air outlet 7 are respectively arranged at the upper end of the separation box 1. The oil outlet 5 and the water outlet 6 are respectively arranged on the side wall of the separation box 1 and keep vertical height difference.

Two symmetric partition plates 9 with intervals kept and a plurality of vertically stacked separation plates 8 are arranged between the oil outlet 5 and the water outlet 6 in the separation box 1; in the embodiment, the number of the separation plates 8 is two, the separator can design the height difference between the oil outlet 5 and the water outlet 6 according to the amount of oily wastewater, and a proper number of separation plates 8 are arranged. The separation plate 8 comprises a first mesh plate 8.1, a second mesh plate 8.2 and a third mesh plate 8.3; the first screen plate 8.1 is horizontally arranged; two second screen plates 8.2 are respectively arranged at two opposite sides of the first screen plate 8.1, one end of each second screen plate 8.2 is connected with the first screen plate 8.1, and the other end of each second screen plate 8.2 inclines downwards towards one end far away from the first screen plate 8.1 and is connected with the inner wall of the separation box 1; a plurality of third otter boards 8.3 are arranged at the upper ends of the first otter board 8.1 and/or the second otter board 8.2 at intervals. Adjacent separator plates 8 are connected in a vertical stack by a third mesh panel 8.3 on the separator plate 8 below. I.e. a space between adjacent separator plates 8 having a height of the third web 8.3. Under the effect of separation plate 8, not only can effectively slow down the velocity of flow that oily waste water got into in separator box 1 to accelerate deposit and separation, avoid the 1 bottom precipitate come-up of separator box, but also can filter bulky impurity, and for oil provides effectual absorption support, improve water oil separating efficiency.

The partition board 9 is arranged on the uppermost separating board 8; one end of the clapboard 9 is connected with the inner wall of the separating box 1, and the other end of the clapboard 9 inclines downwards and is connected with the separating plate 8. The two partition plates 9 are respectively connected with different third net plates 8.3 on the same separating plate 8. The upper end of the partition board 9 is provided with a plurality of stop bars 10 at intervals along the inclined direction. The heights of the plurality of stop strips 10 are sequentially reduced along with the heights of the setting positions of the stop strips, and the heights of the bulges of the stop strips 10 are sequentially increased. Under the effect of the partition plate 9, the oil on the upper layer can be gathered, the height of an oil layer is improved, and the purity of the oil discharged from the oil outlet 5 is convenient. The stop strip 10 can slow down the descending speed of the oil-water mixed liquid, and further improve the upper oil gathering effect.

The foregoing is merely a detailed description of the invention that enables those skilled in the art to understand or implement the invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention.

It is to be understood that the present invention is not limited to what has been described above, and that various modifications and changes may be made without departing from the scope thereof. The scope of the present invention is limited only by the appended claims.

Claims

1. An oil-water separator, which is characterized in that: comprises a separation tank (1), an oil pump (2) and a drainage tank (3); an oil inlet (4), an oil outlet (5), a water outlet (6) and an air outlet (7) are respectively arranged on the separation box (1); the oil pump (2) is communicated with the oil inlet (4) through an oil inlet pipe; the water outlet (6) is communicated with the drainage tank (3), and the air outlet (7) is higher than the oil outlet (5); the oil outlet (5) is higher than the water outlet (6).

2. The oil-water separator of claim 1, wherein: a plurality of separating plates (8) are vertically stacked between the oil outlet (5) and the water outlet (6) in the separating box (1); the separation plate (8) comprises a first mesh plate (8.1), a second mesh plate (8.2) and a third mesh plate (8.3); the first screen plate (8.1) is horizontally arranged; two second screen plates (8.2) are arranged and are respectively arranged on two opposite sides of the first screen plate (8.1), one end of each second screen plate (8.2) is connected with the first screen plate (8.1), and the other end of each second screen plate (8.2) inclines downwards towards one end far away from the first screen plate (8.1) and is connected with the inner wall of the separation box (1); the number of the third screen plates (8.3) is multiple, and the third screen plates are vertically arranged at the upper ends of the first screen plate (8.1) and/or the second screen plate (8.2) at intervals respectively.

3. The oil-water separator according to claim 2, wherein: the adjacent separation plates (8) are vertically stacked and connected through the third mesh plate (8.3) on the lower separation plate (8).

4. The oil-water separator according to claim 2, wherein: two symmetrical partition plates (9) which keep a distance are arranged between the oil outlet (5) and the water outlet (6) in the separation box (1); the partition plate (9) is arranged on the uppermost separating plate (8); one end of the partition plate (9) is connected with the inner wall of the separation box (1), and the other end of the partition plate (9) inclines downwards and is connected with the separation plate (8).

5. The oil-water separator according to claim 4, wherein: the two partition plates (9) are respectively connected with different third screen plates (8.3) on the same separating plate (8).

6. The oil-water separator according to claim 4, wherein: the upper end of the clapboard (9) is provided with a plurality of stopping strips (10) at intervals along the inclined direction.

7. The oil-water separator according to claim 6, wherein: the heights of the plurality of stopping strips (10) are sequentially reduced along with the heights of the setting positions of the stopping strips, and the heights of the protrusions of the stopping strips (10) are sequentially increased.

8. The oil-water separator of claim 1, wherein: and a sewage draining outlet (11) communicated with the drainage box (3) is also formed in the separation box (1).

9. The oil-water separator according to claim 8, wherein: the plurality of sewage outlets (11) are respectively arranged at two opposite sides of the separation box (1).

10. The oil-water separator of claim 1, wherein: the oil inlet (4) and the air outlet (7) are respectively arranged at the upper end of the separation box (1).