Refinery oily sludge treatment

Abstract

The utility model relates to the technical field of sludge treatment, and discloses a refinery oily sludge treatment device which comprises a treatment tank and a support, the support is fixedly connected to the bottom of the treatment tank, a feed pipe is fixedly connected to the side wall of the top end of the treatment tank, and a water outlet pipe is fixedly connected to the bottom of the treatment tank. An electromagnetic valve is fixedly connected to the pipe wall of the water outlet pipe, an opening is formed in the inner wall of the treatment tank, a connecting frame is slidably arranged on the inner wall, located at the opening, of the treatment tank, and a fine-mesh filter screen is fixedly connected to the inner wall of the top end of the connecting frame. The vacuum air pump provided by the utility model is used for extracting air, which is positioned below the connecting frame, of the treatment tank, so that air pressure difference is generated on the inner walls, which are positioned on the upper side and the lower side of the connecting frame, of the treatment tank, and water in an oily sludge material falls below the treatment tank through the fine-mesh filter screen, so that the water content of the oily sludge material can be reduced, and subsequent treatment is facilitated.

Description

Technical Field

[0001] The utility model relates to the technical field of sludge treatment, in particular to a refinery oil-containing sludge treatment. Background Art

[0002] The sludge drying device is a supporting device for the sewage treatment device. The oily sludge is produced during the crude oil dehydration at the oil selection station and the oil refining process of the oil refining unit. During the treatment process, chemicals will be added and stirred. After the drugs come into contact with the sludge, flocs will be produced for subsequent treatment.

[0003] In the prior art, during the treatment of oily sludge, if the internal water content of the oily sludge is high, once the properties of the oily sludge change or the ratio of the reagents changes during the treatment process, the sludge cannot be treated in a timely and effective manner and can only return to the sewage system through pipes, causing secondary pollution to the sewage system and affecting the treatment quality of the oily sludge. Utility Model Content

[0004] The purpose of the utility model is to solve the problem in the prior art that if the oily sludge has a high internal water content, once the properties of the oily sludge change or the reagent ratio changes during the treatment process, the sludge cannot be treated in time and effectively, and can only return to the sewage system through a pipeline, causing secondary pollution to the sewage system and affecting the treatment quality of the oily sludge. A refinery oily sludge treatment is proposed.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A refinery oily sludge treatment comprises a treatment tank and a bracket, wherein the bracket is fixedly connected to the bottom of the treatment tank, the top side wall of the treatment tank is fixedly connected to a feed pipe, the bottom of the treatment tank is fixedly connected to a water outlet pipe, the pipe wall of the water outlet pipe is fixedly connected to a solenoid valve, the inner wall of the treatment tank is provided with an opening, the inner wall of the treatment tank located at the opening is slidably provided with a connecting frame, the top inner wall of the connecting frame is fixedly connected to a fine-mesh filter, the bottom side wall of the treatment tank is fixedly connected to a vacuum pump, the side wall of the treatment tank located above the connecting frame is provided with a mud outlet, the inner wall of the treatment tank located at the mud outlet is fixedly connected to a fixing rod, a cover plate is movably sleeved on the rod wall of the fixing rod, the inner wall of the cover plate is fixedly connected to a sealing gasket, and the sealing gasket is pressed against the inner wall of the mud outlet.

[0007] Preferably, a baffle is fixedly connected to the inner wall of the processing tank above the vacuum pump, and the baffle is arranged at an angle.

[0008] Preferably, a positioning groove is provided inside the processing tank, a positioning block is fixedly connected to the side wall of the connecting frame, the positioning block is plugged into the inner wall of the positioning groove, a connecting end cover is fixedly connected to the side of the connecting frame facing away from the positioning block, the side wall of the connecting end cover is fitted onto the inner wall of the processing tank at the opening, and a handle is fixedly connected to the side of the connecting end cover facing away from the connecting frame.

[0009] Preferably, a groove is provided on the side wall of the connecting end cover, the connecting end cover is located inside the groove and is rotatably connected to a rotating shaft, a clamping plate and a torsion spring are fixedly sleeved on the shaft wall of the rotating shaft, one end of the torsion spring is fixedly connected to the inner wall of the clamping plate, and the other end of the torsion spring is fixedly connected to the inner wall of the connecting end cover, a fan-shaped groove is provided on the inner wall of the opening of the processing tank, and the clamping plate is clamped on the inner wall of the fan-shaped groove.

[0010] Preferably, a drawstring is fixedly connected to the side wall of the card plate, and one end of the drawstring, which is away from the card plate, extends to the outside of the connecting end cover and is fixedly connected to a draw ring.

[0011] Preferably, a cavity is provided on the inner wall of the cover plate, a spring is fixedly connected to the inner wall of the cover plate located in the cavity, the end of the spring is fixedly connected to a limiting block, a limiting groove is provided on the inner wall at the top end of the processing tank located at the mud outlet, the limiting block is inserted into the limiting groove, a lever is fixedly connected to the side wall of the limiting block, and the lever passes through the cavity and extends to the outside of the cover plate.

[0012] Compared with the prior art, the utility model provides a refinery oily sludge treatment method, which has the following beneficial effects:

[0013] 1. The refinery treats oily sludge by extracting the gas from the treatment tank below the connection frame through a vacuum pump, so that a pressure difference is generated on the inner walls of the treatment tank on the upper and lower sides of the connection frame, causing the water inside the oily sludge material to fall to the bottom of the treatment tank through a fine-mesh filter, thereby reducing the moisture content of the oily sludge material and facilitating subsequent treatment. The fine-mesh filter is a 100-mesh filter that can prevent impurity sludge in the oily sludge material from falling to the bottom of the treatment tank.

[0014] 2. The refinery's oily sludge treatment can improve the sealing of the connection frame at the opening by connecting the end cover. The torsion spring extends the clamping plate to the inside of the fan-shaped groove, which can keep the connection cover stable after installation. The pull ring can be pulled to move the pull rope, and the connection cover can be disassembled, so that the handle can be pulled out to pull out the connection cover and take out the connection frame and fine mesh filter for maintenance.

[0015] 3. The refinery processes oily sludge by providing a sealing gasket on the side wall of the cover to improve the sealing of the cover inside the treatment tank. The spring pushes the limit block to extend into the limit groove to improve the stability of the cover connection. The limit block can be retracted into the cavity by pulling the lever, and the cover can be unfolded to facilitate the subsequent removal of the oily sludge material from the mud outlet. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the structure of a refinery oily sludge treatment proposed by the utility model;

[0017] Figure 2 for Figure 1 A schematic diagram of the structure of the local A part;

[0018] Figure 3 for Figure 1 Schematic diagram of the enlarged structure of part B in the middle.

[0019] In the figure: 1 treatment tank, 2 bracket, 3 feed pipe, 4 water outlet pipe, 5 solenoid valve, 6 connection frame, 7 fine mesh filter, 8 vacuum pump, 9 baffle, 10 fixing rod, 11 cover plate, 12 sealing gasket, 13 positioning block, 14 connecting end cover, 15 rotating shaft, 16 clamping plate, 17 torsion spring, 18 handle, 19 pull rope, 20 pull ring, 21 spring, 22 limit block, 23 lever. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0021] Reference Figure 1-3 , a refinery oily sludge treatment, including a treatment tank 1 and a bracket 2, the bracket 2 is fixedly connected to the bottom of the treatment tank 1, the top side wall of the treatment tank 1 is fixedly connected with a feed pipe 3, the bottom of the treatment tank 1 is fixedly connected with a water outlet pipe 4, the pipe wall of the water outlet pipe 4 is fixedly connected with a solenoid valve 5, the inner wall of the treatment tank 1 is provided with an opening, the inner wall of the treatment tank 1 located at the opening is slidably provided with a connecting frame 6, the top inner wall of the connecting frame 6 is fixedly connected with a fine mesh filter 7, the bottom side wall of the treatment tank 1 is fixedly connected with a vacuum pump 8, the side wall of the treatment tank 1 located above the connecting frame 6 is provided with a mud outlet, the inner wall of the treatment tank 1 located at the mud outlet is fixedly connected with a fixing rod 10, the rod wall of the fixing rod 10 is movably sleeved with a cover plate 11, the inner wall of the cover plate 11 is fixedly connected with a sealing gasket 12, the sealing gasket 12 is pressed against the inner wall of the mud outlet, the inner wall of the treatment tank 1 located above the vacuum pump 8 is fixedly connected with a baffle 9, and the baffle 9 is tilted.

[0022] A positioning groove is provided inside the processing tank 1, and a positioning block 13 is fixedly connected to the side wall of the connecting frame 6. The positioning block 13 is inserted into the inner wall of the positioning groove. A connecting end cover 14 is fixedly connected to the side of the connecting frame 6 away from the positioning block 13. The side wall of the connecting end cover 14 is fitted on the inner wall of the processing tank 1 at the opening, and a handle 18 is fixedly connected to the side of the connecting end cover 14 away from the connecting frame 6.

[0023] A groove is provided on the side wall of the connecting end cover 14, and the connecting end cover 14 is located inside the groove and is rotatably connected to a rotating shaft 15. A clamping plate 16 and a torsion spring 17 are fixedly sleeved on the axial wall of the rotating shaft 15. One end of the torsion spring 17 is fixedly connected to the inner wall of the clamping plate 16, and the other end of the torsion spring 17 is fixedly connected to the inner wall of the connecting end cover 14. A fan-shaped groove is provided on the inner wall of the opening of the processing tank 1, and the clamping plate 16 is clamped on the inner wall of the fan-shaped groove. A pull rope 19 is fixedly connected to the side wall of the clamping plate 16, and the end of the pull rope 19 facing away from the clamping plate 16 extends to the outside of the connecting end cover 14 and is fixedly connected to a pull ring 20.

[0024] When in use, the oily sludge material can be infused into the interior of the treatment tank 1 through the feed pipe 3, and the gas in the treatment tank 1 located below the connecting frame 6 can be extracted through the vacuum pump 8, so that a pressure difference is generated between the inner walls of the treatment tank 1 located on the upper and lower sides of the connecting frame 6, so that the water inside the oily sludge material can pass through the fine mesh filter 7 and fall to the bottom of the treatment tank 1, thereby reducing the moisture content of the oily sludge material, which is convenient for subsequent treatment. The fine mesh filter 7 is a 100-mesh filter, which can prevent the impurity sludge in the oily sludge material from falling to the bottom of the treatment tank 1. Subsequently, the electromagnetic valve 5 is opened to discharge the filtered excess water through the outlet pipe 4 for subsequent sewage treatment, and the cover plate 11 can be opened to take out the oily sludge material with reduced moisture content accumulated above the fine mesh filter 7, which is convenient for subsequent treatment.

[0025] The positioning block 13 is plugged into the inside of the positioning groove, which can improve the stability of the connection of the connecting frame 6. The connecting end cover 14 can improve the sealing of the connecting frame 6 at the opening. The torsion spring 17 extends the clamping plate 16 to the inside of the fan-shaped groove, which can keep the connecting end cover 14 stable after installation. The pull ring 20 can be subsequently pulled to pull the pull rope 19 to move, so that the connecting end cover 14 can be disassembled, and the handle 18 can be pulled out to pull out the connecting end cover 14 to remove the connecting frame 6 and the fine mesh filter 7 for maintenance.

[0026] In order to improve the stability of the connection of the cover plate 11, as Figure 1-3As shown, a cavity is provided on the inner wall of the cover plate 11, and a spring 21 is fixedly connected to the inner wall of the cover plate 11 located in the cavity, and the end of the spring 21 is fixedly connected to a limiting block 22. A limiting groove is provided on the inner wall of the top end of the processing tank 1 located at the mud outlet, and the limiting block 22 is inserted into the limiting groove. A lever 23 is fixedly connected to the side wall of the limiting block 22, and the lever 23 passes through the cavity and extends to the outside of the cover plate 11.

[0027] A sealing gasket 12 is provided on the side wall of the cover plate 11 to improve the sealing performance of the cover plate 11 in the internal connection of the treatment tank 1. The spring 21 can push the limit block 22 to extend to the inside of the limit groove, which can improve the stability of the connection of the cover plate 11. The limit block 22 can be retracted to the inside of the cavity by subsequently pulling the lever 23, and the cover plate 11 can be unfolded, which is convenient for the subsequent removal of the oily sludge material from the mud outlet.

[0028] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A refinery oily sludge treatment system, comprising a treatment tank (1) and a support (2), characterized in that: The bracket (2) is fixedly connected to the bottom of the processing tank (1); a feed pipe (3) is fixedly connected to the top side wall of the processing tank (1); a water outlet pipe (4) is fixedly connected to the bottom of the processing tank (1); a solenoid valve (5) is fixedly connected to the pipe wall of the water outlet pipe (4); an opening is provided on the inner wall of the processing tank (1); a connecting frame (6) is slidably provided on the inner wall of the processing tank (1) located at the opening; a fine-mesh filter (7) is fixedly connected to the top inner wall of the connecting frame (6); a vacuum pump (8) is fixedly connected to the bottom side wall of the processing tank (1); a mud outlet is provided on the side wall of the processing tank (1) located above the connecting frame (6); a fixing rod (10) is fixedly connected to the inner wall of the processing tank (1) located at the mud outlet; a cover plate (11) is movably sleeved on the rod wall of the fixing rod (10); a sealing gasket (12) is fixedly connected to the inner wall of the cover plate (11); the sealing gasket (12) is pressed against the inner wall of the mud outlet.

2. The method for treating oily sludge in a refinery according to claim 1, characterized in that: A baffle (9) is fixedly connected to the inner wall of the processing tank (1) located above the vacuum pump (8), and the baffle (9) is arranged at an angle.

3. The method for treating oily sludge in a refinery according to claim 1, characterized in that: A positioning groove is provided inside the processing tank (1), a positioning block (13) is fixedly connected to the side wall of the connection frame (6), the positioning block (13) is plugged into the inner wall of the positioning groove, a connection end cover (14) is fixedly connected to the side of the connection frame (6) facing away from the positioning block (13), the side wall of the connection end cover (14) is fitted to the inner wall of the processing tank (1) at the opening, and a handle (18) is fixedly connected to the side of the connection end cover (14) facing away from the connection frame (6).

4. The method for treating oily sludge from a refinery according to claim 3, characterized in that: A groove is provided on the side wall of the connecting end cover (14); the connecting end cover (14) is rotatably connected to a rotating shaft (15) located inside the groove; a clamping plate (16) and a torsion spring (17) are fixedly sleeved on the shaft wall of the rotating shaft (15); one end of the torsion spring (17) is fixedly connected to the inner wall of the clamping plate (16); the other end of the torsion spring (17) is fixedly connected to the inner wall of the connecting end cover (14); a fan-shaped groove is provided on the inner wall of the opening of the processing tank (1); the clamping plate (16) is clamped on the inner wall of the fan-shaped groove.

5. The method for treating oily sludge from a refinery according to claim 4, characterized in that: A drawstring (19) is fixedly connected to the side wall of the clamping plate (16); one end of the drawstring (19) facing away from the clamping plate (16) extends to the outside of the connection end cover (14) and is fixedly connected to a draw ring (20).

6. The method for treating oily sludge in a refinery according to claim 1, characterized in that: The inner wall of the cover plate (11) is provided with a cavity, the inner wall of the cover plate (11) located in the cavity is fixedly connected to a spring (21), the end of the spring (21) is fixedly connected to a limit block (22), the inner wall of the top end of the processing tank (1) located at the mud outlet is provided with a limit groove, the limit block (22) is inserted in the limit groove, the side wall of the limit block (22) is fixedly connected to a lever (23), and the lever (23) passes through the cavity and extends to the outside of the cover plate (11).

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