Oil sludge water three-phase separation device for oil sludge treatment

Abstract

The utility model discloses an oil sludge water three-phase separation device for oil sludge treatment. The problem that at present, oil sludge is difficult to treat during three-phase separation is mainly solved. The device is characterized by further comprising a first box body, the first box body comprises a feeding cavity and an inner cavity, a stirrer is arranged in the feeding cavity, the feeding cavity is communicated with the inner cavity through a first pipeline, the first pipeline extends into the inner cavity from the bottom end face, a pressure pump is arranged on the first pipeline, and the first pipeline arranged in the inner cavity is of a conical structure with the small bottom and the large top. A slag discharging opening opposite to the top of the first pipeline is formed in the side wall of the first box body, and a second pipeline is arranged at the bottom of the side wall of the first box bottom; the second box body is provided with a feeding pipe communicated with the second pipeline, an inclined mud partition plate is arranged in the second box body, a third pipeline is arranged on the side wall of the second box body and arranged above the mud partition plate, and a mud discharging pipe is arranged at the bottom of the second box body; and the third box body is communicated with the third pipeline and is provided with a drain pipe at the bottom and an oil drain pipe on the side wall. The utility model provides an oil sludge water three-phase separation device for oil sludge treatment, which can be used for carrying out three-phase separation on oil sludge, and is simple in structure and convenient to use.

Description

Technical Field

[0001] The utility model relates to the field of sludge treatment, in particular to an oil sludge-water three-phase separation device in oil sludge treatment. Background Art

[0002] Oily sludge mainly comes from the process of oil exploration, oil development, oil refining, crude oil storage and transportation. The sludge generally has a high oil content and contains a large amount of odorous toxic substances such as benzene, phenols, pyrene, anthracene, etc. During treatment, the oily sludge water needs to be separated to facilitate subsequent treatment. Utility Model Content

[0003] In order to overcome the shortcomings of the background technology, the utility model provides an oil sludge and water three-phase separation device in oil sludge treatment, which mainly solves the problem that the current oil sludge three-phase separation is difficult to handle.

[0004] The technical solution of the utility model is:

[0005] A three-phase separation device for oil sludge treatment also includes a first box body, the first box body includes a feed chamber and an inner chamber, the feed chamber is provided with an agitator, the feed chamber and the inner chamber are connected by a first pipe, the first pipe extends from the bottom end face of the inner chamber, the first pipe is provided with a pressure pump, the first pipe arranged in the inner chamber is a conical structure with a smaller bottom and a larger top, the side wall of the first box body is provided with a slag discharge port arranged opposite to the top of the first pipe, and the bottom of the side wall of the first box body is provided with a second pipe; the second box body is provided with a feed pipe connected to the second pipe, the second box body is provided with an inclined mud separator, the side wall of the second box body is provided with a third pipe, the third pipe is arranged above the mud separator, and the bottom of the second box body is provided with a mud discharge pipe; the third box body is connected to the third pipe, a drain pipe is provided at its bottom, and an oil discharge pipe is provided on the side wall.

[0006] The third pipeline is provided with a pump.

[0007] The pressure pump is a sludge pump.

[0008] The invention also comprises a fourth pipeline which is connected with the pump and the feed pipe.

[0009] The mud separator is a baffle obliquely arranged in the second box body.

[0010] The angle between each mud baffle and the horizontal plane is 60°.

[0011] The surface of each mud baffle is provided with a polytetrafluoroethylene coating.

[0012] The beneficial effects of the utility model are as follows: the utility model provides an oil sludge-water three-phase separation device in oil sludge treatment, which can perform three-phase separation on oily sludge, has a simple structure and is easy to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a structural schematic diagram of an embodiment of the utility model. DETAILED DESCRIPTION

[0014] The utility model is further described below in conjunction with the accompanying drawings: As shown in the figure, an oil sludge and water three-phase separation device in oil sludge treatment also includes a first box body 1, the first box body includes a feed chamber 11 and an inner chamber 12, a stirrer 111 is provided in the feed chamber, the feed chamber and the inner chamber are connected through a first pipe 13, the first pipe extends from the bottom end face of the inner chamber, a pressure pump 131 is provided on the first pipe, the first pipe arranged in the inner chamber is a conical structure with a smaller bottom and a larger top, a slag discharge port 14 arranged opposite to the top of the first pipe is provided on the side wall of the first box body, and a second pipe 15 is provided at the bottom of the side wall of the first box bottom; a second box body 2 is provided with a feed pipe 20 connected to the second pipe, an inclined mud baffle 21 is provided in the second box body, a third pipe 22 is provided on the side wall of the second box body, the third pipe is arranged above the mud baffle, and a mud discharge pipe 23 is provided at the bottom of the second box body; a third box body 3 is connected to the third pipe, a drain pipe 31 is provided at its bottom, and an oil discharge pipe 32 is provided on the side wall. When in use, it is first stirred in the feed chamber, and then the sludge pump is used to increase the sludge from the bottom of the inner chamber and discharged through a conical channel with a small bottom and a large outside. The heavier sludge will fly to the slag removal port on the side wall under the action of centrifugal force and be discharged, while the lighter oil and water are inside. After the feeding is completed, it is precipitated and the initial sludge discharge mixture comes to the second box through the second pipe, passes through the liner of the second box, and is provided with a sludge partition. The sludge in the mixture will be cushioned under the partition. The separated oil-water mixture passes through the third gate and comes to the third box for further sedimentation and separation, and the water can be discharged from the drain pipe. Furthermore, the mixture in the third pipe can enter the feed pipe again for secondary lining and sludge discharge, and the valve of the third or fourth pipe can be opened according to actual needs.

[0015] In this embodiment, as shown in the figure, a pump 24 is provided on the third pipeline.

[0016] In this embodiment, as shown in the figure, the pressure pump is a sludge pump.

[0017] In this embodiment, as shown in the figure, a fourth pipeline 25 is further included, which is connected to the pump and the feed pipe. Multiple precipitations can be formed.

[0018] In this embodiment, as shown in the figure, the mud separator is a baffle obliquely arranged in the second box body.

[0019] In this embodiment, as shown in the figure, the angle between each mud separator and the horizontal plane is 60°.

[0020] Each fender is coated with polytetrafluoroethylene to increase its service life.

[0021] In the description of the present invention, it should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0022] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present utility model, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0023] The embodiments described with reference to the accompanying drawings are exemplary and intended to be used to explain the present invention, but should not be understood as limiting the present invention. The embodiments should not be regarded as limiting the present invention, but any improvements based on the spirit of the present invention should be within the scope of protection of the present invention.

Claims

1. An oil sludge-water three-phase separation device in oil sludge treatment, characterized in that: Also includes A first box (1), the first box comprising a feed chamber (11) and an inner chamber (12), the feed chamber being provided with a stirrer (111), the feed chamber and the inner chamber being connected via a first pipe (13), the first pipe extending from the bottom end face of the inner chamber, a pressure pump (131) being provided on the first pipe, the first pipe being provided in the inner chamber being a conical structure with a smaller bottom and a larger top, a side wall of the first box being provided with a slag discharge port (14) arranged opposite to the top of the first pipe, and a second pipe (15) being provided at the bottom of the side wall of the first box; A second box (2) is provided with a feed pipe (20) connected to the second pipe, a mud barrier (21) arranged obliquely is provided inside the second box, a third pipe (22) is provided on the side wall of the second box, the third pipe is arranged above the mud barrier, and a mud discharge pipe (23) is provided at the bottom of the second box; The third box (3) is in communication with the third pipeline, and has a drainage pipe (31) at its bottom and an oil drainage pipe (32) on its side wall.

2. The oil sludge-water three-phase separation device for oil sludge treatment according to claim 1, characterized in that: A pump (24) is provided on the third pipeline.

3. The oil sludge-water three-phase separation device in oil sludge treatment according to claim 2, characterized in that: The pressure pump is a sludge pump.

4. The oil sludge-water three-phase separation device for oil sludge treatment according to claim 3, characterized in that: It also includes a fourth pipeline (25) which is connected to the pump and the feed pipe.

5. The oil sludge-water three-phase separation device in oil sludge treatment according to claim 4, characterized in that: The mud separator is a baffle obliquely arranged in the second box body.

6. The oil sludge-water three-phase separation device in oil sludge treatment according to claim 5, characterized in that: The angle between each mud baffle and the horizontal plane is 60°.

7. The oil sludge-water three-phase separation device in oil sludge treatment according to claim 6, characterized in that: The surface of each mud baffle is provided with a polytetrafluoroethylene coating.

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