CN112473186A - Oil-water separating device - Google Patents

Abstract

The invention discloses an oil-water separation device, comprising: a water storage tank; the separation tank is arranged below the water storage tank, and an oil-water separation assembly is arranged in the separation tank; the water inlet end of the first water supply pipeline is communicated with the lower part of the water storage tank, and the water outlet end of the first water supply pipeline is communicated with one end of the separation tank; the buffer mechanism is arranged in the water storage tank and is used for slowing down the speed of the oil-water mixture flowing into the water inlet end of the first water supply pipeline; the first water drainage pipe is provided with a water inlet end and a water outlet end, and the water inlet end of the first water drainage pipe is communicated with the lower part of the other end of the separation box. Carry the water oil mixture to the storage water tank in through the water pump to slow down the speed that the water oil mixture flows into the end of intaking of first water supply pipeline through buffer gear, with the kinetic energy that reduces the water oil mixture who carries to the separator box, thereby reduce and subside the degree of difficulty, be favorable to the water oil mixture to flow to separate layer completely before first drain pipe and prevent that the greasy dirt from discharging through first drain pipe.

Description

Oil-water separating device

Technical Field

The invention relates to the field of sewage purification, in particular to an oil-water separation device.

Background

Among the prior art, traditional water oil separating tank adopts the principle that gravity subsides to realize water oil separating, and is concrete, carries water oil mixture to water oil separating tank in through the water pump, and water oil mixture is the layering in water oil separating tank, and the water in the water oil mixture takes place to subside under the effect of gravity promptly, and the water that subsides to the lower floor is discharged from water oil separating tank's delivery port to realize water oil separating, nevertheless, traditional water oil separating tank has following problem: 1. the oil-water mixture conveyed into the oil-water separation tank through the water pump has larger kinetic energy, so that the sedimentation difficulty is increased, the oil-water mixture is difficult to completely layer before flowing to a water outlet of the oil-water separation tank, and partial oil stain is discharged from the water outlet of the oil-water separation tank to cause environmental pollution; 2. because the water discharge speed of the water outlet of the oil-water separation tank is lower than the speed of the water pump for conveying the oil-water mixture, the oil-water mixture is easy to overflow out of the oil-water separation tank.

Disclosure of Invention

The present invention is directed to solving at least one of the problems of the prior art. Therefore, the invention provides an oil-water separation device which can reduce the sedimentation difficulty.

According to the oil-water separation device of the embodiment of the first aspect of the invention, the oil-water separation device comprises: a water storage tank; the separation tank is arranged below the water storage tank, and an oil-water separation assembly is arranged in the separation tank; the water inlet end of the first water supply pipeline is communicated with the lower part of the water storage tank, and the water outlet end of the first water supply pipeline is communicated with one end of the separation tank; the buffer mechanism is arranged in the water storage tank and is used for slowing down the speed of the oil-water mixture flowing into the water inlet end of the first water supply pipeline; the first water drainage pipe is provided with a water inlet end and a water outlet end, and the water inlet end of the first water drainage pipe is communicated with the lower part of the other end of the separation box.

According to the oil-water separation device provided by the embodiment of the invention, at least the following beneficial effects are achieved: carry the oil water mixture through the water pump to in the storage water tank, and through buffer gear slows down the oil water mixture and flows in the speed of the end of intaking of first water supply pipeline to reduce carry to the kinetic energy of the oil water mixture of separator box reduces and subsides the degree of difficulty, is favorable to the oil water mixture to flow to complete layering before the first drain pipe, thereby prevents that the greasy dirt from passing through first drain pipe discharges.

According to some embodiments of the present invention, the buffering mechanism is a first baffle obliquely disposed in the water storage tank, the first baffle divides the water storage tank into a water inlet chamber and a water outlet chamber, the water inlet end of the first water supply pipeline is communicated with the lower portion of the water outlet chamber, and the lower portion of the first baffle is provided with a plurality of first through holes distributed at intervals to slow down the speed of the water mixture flowing into the water inlet end of the first water supply pipeline.

According to some embodiments of the invention, the upper portion of the first baffle is provided with a plurality of second through holes distributed at intervals, the sum of the cross-sectional areas of all the second through holes is larger than the sum of the cross-sectional areas of all the first through holes, and when the water level in the water inlet cavity is high, water can be discharged through the second through holes in an auxiliary mode, so that an oil-water mixture is prevented from overflowing the water inlet cavity.

According to some embodiments of the present invention, a second water supply pipeline is disposed between the water storage tank and the separation tank, the second water supply pipeline has a water inlet end and a water outlet end, the water inlet end of the second water supply pipeline is communicated with the upper portion of the water storage tank, and the water outlet end of the second water supply pipeline is communicated with the one end of the separation tank, so that when the water level in the water storage tank is high, water can be discharged through the second water supply pipeline in an auxiliary manner, so as to prevent an oil-water mixture from overflowing the water storage tank.

According to some embodiments of the present invention, the pipe diameter of the second water feeding pipe is larger than that of the first water feeding pipe, so that the water discharge amount of the second water feeding pipe can be increased to enhance the effect of auxiliary water discharge of the second water feeding pipe.

According to some embodiments of the invention, the first water supply pipeline is provided with a stop valve for adjusting the flow rate, so that the kinetic energy of the oil-water mixture can be further reduced.

According to some embodiments of the invention, the oil-water separation assembly comprises a second baffle and a third baffle which are arranged in the separation tank, the second baffle and the third baffle are arranged at intervals along the flow direction of the oil-water mixture, the second baffle is connected to the top of the separation tank, an interval is formed between the bottom of the second baffle and the bottom of the separation tank, the third baffle is connected to the bottom of the separation tank, an interval is formed between the top of the third baffle and the top of the separation tank, oil stains float on the upper layer due to the sedimentation of water in the oil-water mixture under the action of gravity, the second baffle can block the oil stains on the upper layer, and the water on the lower layer flows to the first drainage pipe through the interval between the bottom of the second baffle and the bottom of the separation tank.

According to some embodiments of the invention, at least two groups of the oil-water separation assemblies are arranged, and all the oil-water separation assemblies are arranged at intervals in sequence along the flow direction of the oil-water mixture so as to enhance the oil-water separation effect.

According to some embodiments of the invention, an oil absorption cotton is disposed in the separation tank at a position close to the first drainage pipe, a first avoidance port for taking the oil absorption cotton is disposed at an upper portion of the separation tank, and before the oil-water mixture is discharged through the first drainage pipe, oil stains are adsorbed by the oil absorption cotton to prevent the oil stains which are not separated by the oil-water separation assembly from being discharged through the first drainage pipe.

According to some embodiments of the invention, the water outlet end of the first drain pipe is higher than the water inlet end of the first drain pipe, so that drainage is started when the lowest liquid level in the separation tank is higher than the water outlet end of the first drain pipe, so as to prevent oil dirt floating on the upper layer from being drained through the first drain pipe when the liquid level in the separation tank is low.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

FIG. 1 is a schematic structural diagram of an embodiment of the present invention;

FIG. 2 is an enlarged view of a portion of FIG. 1 at A;

FIG. 3 is an enlarged view of a portion of FIG. 1 at B;

FIG. 4 is a schematic cross-sectional view of an embodiment of the present invention;

fig. 5 is a partially enlarged schematic view of C in fig. 4.

Reference numerals:

the water storage tank 110, the water inlet cavity 111, the water outlet cavity 112, the separation tank 120, the first avoidance port 130, the second avoidance port 140, the first water supply pipeline 200, the first drain pipe 300, the first baffle 400, the first through hole 410, the second through hole 420, the second water supply pipeline 500, the stop valve 600, the second baffle 700, the third baffle 800 and the second drain pipe 900.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.

In the description of the present invention, it should be understood that if an orientation description is referred to, for example, the directions or positional relationships indicated by upper, lower, front, rear, left, right, etc., are based on the directions or positional relationships shown in the drawings, it is only for convenience of description and simplification of description, but it is not intended to indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, if several, more than, less than, more than, above, below, or within words appear, several means are one or more, several means are two or more, more than, less than, more than, etc. are understood as not including the number, and more than, less than, within, etc. are understood as including the number.

In the description of the present invention, if the first, second, etc. terms appear, they are only used for distinguishing technical features, but are not to be interpreted as indicating or implying relative importance or implying number of indicated technical features or implying precedence of indicated technical features.

In the description of the present invention, unless otherwise explicitly limited, terms such as arrangement, installation, connection and the like should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present invention in combination with the specific contents of the technical solutions.

Referring to fig. 1 to 4, the oil-water separating apparatus according to the embodiment of the present invention includes a water storage tank 110, a separation tank 120, a first water supply pipe 200, a buffer mechanism, and a first drain pipe 300.

The separation tank 120 is disposed under the water storage tank 110, specifically, the separation tank 120 may be disposed under the water storage tank 110, or disposed obliquely under the water storage tank 110, an oil-water separation assembly is disposed in the separation tank 120, the first water supply pipeline 200 has a water inlet end and a water outlet end, the water inlet end of the first water supply pipeline 200 is communicated with the lower portion of the water storage tank 110, the water outlet end of the first water supply pipeline 200 is communicated with one end of the separation tank 120, specifically, the water outlet end of the first water supply pipeline 200 may be communicated with the separation tank 120 through an end surface of the separation tank 120, or may be communicated with the separation tank 120 through a side surface of the separation tank 120, the buffer mechanism is disposed in the water storage tank 110 and is configured to slow down a speed of an oil-water mixture flowing into the water inlet end of the first water supply pipeline 200, the first water drainage pipeline 300 has a water inlet end and a water outlet end, specifically, the water inlet end of the first drain pipe 300 may be communicated with the separation tank 120 through the end surface of the separation tank 120, or may be communicated with the separation tank 120 through the side surface of the separation tank 120.

Carry the water oil mixture to the storage water tank 110 in through the water pump to slow down the speed that the water oil mixture flows into the water inlet end of first water supply pipeline 200 through buffer gear, with the kinetic energy that reduces the water oil mixture who carries to separator box 120, thereby reduce and subside the degree of difficulty, be favorable to the water oil mixture to stratify completely before flowing to first drain pipe 300, thereby prevent that the greasy dirt from discharging through first drain pipe 300.

Referring to fig. 4 and 5, in some embodiments, the buffering mechanism is a first baffle 400 obliquely disposed in the water storage tank 110, the first baffle 400 divides the water storage tank 110 into the water inlet cavity 111 and the water outlet cavity 112, the water inlet end of the first water supply pipeline 200 is communicated with the lower portion of the water outlet cavity 112, the lower portion of the first baffle 400 is provided with a plurality of first through holes 410 which are distributed at intervals, and in particular, the first through holes 410 are elongated to slow down the flow rate of the water mixture into the water inlet end of the first water supply pipeline 200.

Referring to fig. 5, in some embodiments, the upper portion of the first baffle 400 is provided with a plurality of second through holes 420 spaced apart from each other, and the sum of the cross-sectional areas of all the second through holes 420 is greater than the sum of the cross-sectional areas of all the first through holes 410, so that when the water level in the inlet chamber 111 is high, the water can be discharged through the second through holes 420 to prevent the oil-water mixture from overflowing the inlet chamber 111.

It should be noted that, in some embodiments, the buffering mechanism may also be a plurality of baffles or stoppers that are sequentially arranged at intervals in the flow direction of the oil-water mixture, and the buffering mechanism is not limited herein.

Referring to fig. 1 and 2, in some embodiments, a second water supply pipe 500 is disposed between the water storage tank 110 and the separation tank 120, the second water supply pipe 500 has a water inlet end and a water outlet end, the water inlet end of the second water supply pipe 500 is communicated with the upper portion of the water outlet cavity 112, the water outlet end of the second water supply pipe 500 is communicated with one end of the separation tank 120 communicated with the water outlet end of the first water supply pipe 200, and when the water level in the water storage tank 110 is high, water can be discharged through the second water supply pipe 500 to prevent the oil-water mixture from overflowing the water storage tank 110.

Referring to fig. 2, in some embodiments, the pipe diameter of the second water feeding pipe 500 is greater than that of the first water feeding pipe 200, and the water discharge amount of the second water feeding pipe 500 can be increased to enhance the effect of the second water feeding pipe 500 to assist water discharge.

Referring to fig. 2, in some embodiments, a stop valve 600 for adjusting a flow rate is provided on the first water supply pipe 200, so that kinetic energy of the oil-water mixture can be further reduced.

Referring to fig. 4, in some embodiments, the oil-water separation assembly includes a second baffle 700 and a third baffle 800 disposed in the separation tank 120, the second baffle 700 and the third baffle 800 are spaced apart from each other along a flow direction of the oil-water mixture, the second baffle 700 is connected to a top of the separation tank 120, a space is formed between a bottom of the second baffle 700 and a bottom of the separation tank 120, the third baffle 800 is connected to a bottom of the separation tank 120, and a space is formed between a top of the third baffle 800 and a top of the separation tank 120, so that oil stains float on an upper layer due to sedimentation of water in the oil-water mixture under the action of gravity, the second baffle 700 can block the oil stains on the upper layer, and the water on the lower layer flows to the first drainage pipe 300 through the space between the bottom of the second baffle 700 and the bottom of the separation tank 120.

Referring to fig. 4, in some embodiments, at least two sets of oil-water separation assemblies are provided, and all the oil-water separation assemblies are sequentially arranged at intervals along the flow direction of the oil-water mixture to enhance the oil-water separation effect. Specifically, the oil-water separation assemblies are provided with three groups, and certainly, two or four groups of oil-water separation assemblies can be provided, which is not limited herein.

It should be noted that, in some embodiments, the oil-water separation assembly may also be configured as a filter assembly for filtering oil stains, such as a filter screen or filter cotton, which is not limited herein.

Referring to fig. 1 and 3, in some embodiments, an oil absorbent cotton (not shown) is disposed inside the separation tank 120 at a position close to the first drain pipe 300, and a first escape opening 130 for allowing the oil absorbent cotton to be taken out is disposed at an upper portion of the separation tank 120, so that oil is absorbed by the oil absorbent cotton before the oil-water mixture is discharged through the first drain pipe 300, thereby preventing the oil that is not separated by the oil-water separation assembly from being discharged through the first drain pipe 300.

Referring to fig. 1 and 3, in some embodiments, the water outlet end of the first drain pipe 300 is higher than the water inlet end of the first drain pipe 300, so that the lowest liquid level in the separation tank 120 is higher than the water outlet end of the first drain pipe 300 to start draining, thereby preventing the oil dirt floating on the upper layer from being drained through the first drain pipe 300 when the liquid level in the separation tank 120 is low.

Referring to fig. 1 and 3, in some embodiments, the first drain pipe 300 is provided in plurality to increase the amount of water to be drained to prevent the oil-water mixture from overflowing.

Referring to fig. 1, in some embodiments, the lower portion of the separation tank 120 is communicated with a second drain pipe 900, and when the water storage tank 110 and the separation tank 120 are cleaned, sewage is discharged through the second drain pipe 900 to facilitate cleaning.

Referring to fig. 1 and 2, in some embodiments, the upper portion of the separation tank 120 is provided with a second evasion port 140, and the second evasion port 140 is used for penetrating a pipe for extracting oil dirt.

In the description of the present specification, if reference is made to the description of "one embodiment", "some embodiments", "exemplary embodiments", "examples", "specific examples", and "some examples", etc., reference is made to the terminology, it is intended that a particular feature, structure, material, or characteristic described in connection with the embodiment or example be included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims (10)

1. An oil-water separator, comprising:

a water storage tank (110);

the separation tank (120) is arranged below the water storage tank (110), and an oil-water separation assembly is arranged in the separation tank (120);

a first water supply pipeline (200), wherein the first water supply pipeline (200) is provided with a water inlet end and a water outlet end, the water inlet end of the first water supply pipeline (200) is communicated with the lower part of the water storage tank (110), and the water outlet end of the first water supply pipeline (200) is communicated with one end of the separation tank (120);

the buffer mechanism is arranged in the water storage tank (110) and is used for slowing down the speed of the oil-water mixture flowing into the water inlet end of the first water feeding pipeline (200);

the water separator comprises a first drainage pipe (300), wherein the first drainage pipe (300) is provided with a water inlet end and a water outlet end, and the water inlet end of the first drainage pipe (300) is communicated with the lower part of the other end of the separation tank (120).

2. The oil-water separator according to claim 1, wherein the buffer mechanism is a first baffle (400) obliquely disposed in the water storage tank (110), the first baffle (400) divides the water storage tank (110) into a water inlet chamber (111) and a water outlet chamber (112), the water inlet end of the first water supply pipeline (200) is communicated with the lower portion of the water outlet chamber (112), and the lower portion of the first baffle (400) is provided with a plurality of first through holes (410) which are distributed at intervals.

3. The oil-water separator according to claim 2, wherein a plurality of second through holes (420) are provided at intervals in an upper portion of the first baffle (400), and a sum of cross-sectional areas of all the second through holes (420) is larger than a sum of cross-sectional areas of all the first through holes (410).

4. The oil-water separator according to claim 1, wherein a second water supply pipe (500) is provided between the water storage tank (110) and the separation tank (120), the second water supply pipe (500) has a water inlet end and a water outlet end, the water inlet end of the second water supply pipe (500) is communicated with the upper portion of the water storage tank (110), and the water outlet end of the second water supply pipe (500) is communicated with the one end of the separation tank (120).

5. The oil-water separator according to claim 4, wherein the pipe diameter of the second water supply pipe (500) is larger than the pipe diameter of the first water supply pipe (200).

6. The oil-water separator according to claim 1, wherein a stop valve (600) for regulating a flow rate is provided in the first water supply pipe (200).

7. The oil-water separator according to claim 1, wherein the oil-water separator assembly comprises a second baffle (700) and a third baffle (800) which are arranged in the separation tank (120), the second baffle (700) and the third baffle (800) are arranged at intervals along the flow direction of the oil-water mixture, the second baffle (700) is connected to the top of the separation tank (120), a gap is formed between the bottom of the second baffle (700) and the bottom of the separation tank (120), the third baffle (800) is connected to the bottom of the separation tank (120), and a gap is formed between the top of the third baffle (800) and the top of the separation tank (120).

8. The oil and water separator according to claim 7, wherein at least two sets of the oil and water separating members are provided, and all the oil and water separating members are provided at intervals in a flow direction of the oil and water mixture.

9. The oil-water separator according to claim 1, wherein an oil absorbent cotton is disposed in the separator tank (120) at a position close to the first drain pipe (300), and a first avoiding opening (130) for taking the oil absorbent cotton is disposed at an upper portion of the separator tank (120).

10. The oil-water separator according to claim 1, wherein the outlet end of the first drain pipe (300) is higher than the inlet end of the first drain pipe (300).

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