Petrochemical oil-water separation device

Abstract

The utility model relates to the technical field of petrochemical industry, and discloses a petrochemical industry oil-water separation device which comprises a base, the upper surface of the base is fixedly connected with a lower hollow cylinder, the surface of the lower hollow cylinder is fixedly connected with a first U-shaped plate, and the inner wall of the first U-shaped plate is fixedly connected with an upper hollow cylinder; and middle hollow cylinders are arranged on the upper surface of the lower hollow cylinder, the bottom of the upper hollow cylinder and the inner wall of the first U-shaped plate in an attached mode, and supporting rings are fixedly connected to the inner walls of the middle hollow cylinders. According to the water-oil separation device for the petrochemical industry, the hollow cylinder in the water-oil separation device for the petrochemical industry can be quickly disassembled and assembled through the matching of the locking bracket, the baffle block and the magnetic block, and meanwhile, after the hollow cylinder is taken out from the space between the upper hollow cylinder and the lower hollow cylinder, a hollow plate with a separation membrane can be directly taken out from the hollow cylinder; therefore, the separation membrane in the petrochemical engineering oil-water separation device is more convenient to replace.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of petroleum chemical industry especially relates to a petroleum chemical oil water separation device. BACKGROUND

[0002] The wastewater generated by petroleum chemical industry usually contains a large amount of oil, and the discharge of these wastewaters will pollute the environment, and the oil-containing wastewater will be first subjected to oil water separation before being discharged. At present, the petroleum chemical oil water separation devices on the market are mainly composed of a device main body, a pressing mechanism and a separation membrane, wherein the mixed liquid above the separation membrane is pressed by the pressing mechanism, and the oil and water are separated by the separation membrane, for example, the petroleum chemical oil water separation device disclosed in Chinese Patent No. CN213803045U.

[0003] However, the separation membrane in the device is relatively troublesome to disassemble and assemble, and thus it is inconvenient for the user to replace the separation membrane in the device. In addition, when the mixed liquid is pressed by the pressing mechanism in the device, the maximum pressure of the mixed liquid on the pressing mechanism is not limited, and thus the separation membrane is often pressed and damaged by the mixed liquid due to excessive pressure of the mixed liquid on the pressing mechanism. SUMMARY

[0004] The utility model aims at solving the shortcomings in the prior art, such as the current separation membrane in the device is relatively troublesome to disassemble and assemble, and thus it is inconvenient for the user to replace the separation membrane in the device. In addition, when the mixed liquid is pressed by the pressing mechanism in the device, the maximum pressure of the mixed liquid on the pressing mechanism is not limited, and thus the separation membrane is often pressed and damaged by the mixed liquid due to excessive pressure of the mixed liquid on the pressing mechanism, and a petroleum chemical oil water separation device is proposed.

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

[0006] A petroleum chemical oil water separation device, comprising a base, the upper surface of the base is fixedly connected with a lower hollow cylinder, the surface of the lower hollow cylinder is fixedly connected with a first U-shaped plate, the inner wall of the first U-shaped plate is fixedly connected with an upper hollow cylinder, the upper surface of the lower hollow cylinder, the bottom of the upper hollow cylinder and the inner wall of the first U-shaped plate are all provided with a hollow cylinder in a matched manner, the inner wall of the hollow cylinder is fixedly connected with a supporting ring, the upper surface of the supporting ring and the inner wall of the hollow cylinder are both provided with a hollow plate in a matched manner, the left and right sides of the inner wall of the upper hollow cylinder are both fixedly connected with a limiting block, the bottom of the limiting block is matched with the upper surface of the hollow plate, the inner wall of the hollow plate is fixedly connected with a separation membrane, the front surface of the hollow cylinder is fixedly connected with a locking bracket, the front surface of the locking bracket is provided with a magnetic block in a matched manner, the front surface of the magnetic block and the left and right sides of the first U-shaped plate are both fixedly connected with a blocking block.

[0007] Preferably, the locking support comprises a strip-shaped plate, the back of the strip-shaped plate is fixedly connected with the front of the hollow cylinder, the left and right sides of the strip-shaped plate are fixedly connected with rectangular rings, the left and right sides of the inner wall of the rectangular ring are fixedly connected with first cylinders, the surface of the first cylinder is rotatably connected with an L-shaped column through a bearing, the front of the L-shaped column is attached to the back of the magnetic block, and the front of the strip-shaped plate is fixedly connected with a handle.

[0008] Preferably, the left side of the lower hollow cylinder is fixedly communicated with an oil outlet pipe, the left side of the upper hollow cylinder is fixedly communicated with a water outlet pipe, the left end of the water outlet pipe and the left end of the oil outlet pipe are fixedly communicated with a liquid discharge valve, the left side of the upper hollow cylinder is fixedly communicated with a liquid inlet pipe, the left end of the liquid inlet pipe is fixedly communicated with a liquid inlet valve, and the liquid inlet end of the liquid inlet valve is fixedly communicated with a connecting pipe.

[0009] Preferably, the left and right sides of the upper hollow cylinder are fixedly connected with second U-shaped plates, the top of the inner wall of the second U-shaped plate is fixedly connected with a pressing support, the bottom of the pressing support is fixedly connected with a pressing plate, and the surface of the pressing plate is attached to the inner wall of the upper hollow cylinder.

[0010] Preferably, the pressing support comprises a third U-shaped plate, the bottom of the third U-shaped plate is fixedly connected with an outer cylinder, the front and rear sides of the inner wall of the outer cylinder are fixedly connected with inner cylinders, the inner wall of the third U-shaped plate, the inner wall of the outer cylinder and the side surface of the inner cylinder are all attached with first sliding columns, the bottom of the first sliding column is fixedly connected with the upper surface of the pressing plate, the upper surface of the third U-shaped plate and the top of the inner wall of the second U-shaped plate are both fixedly connected with hydraulic push rods, the inside of the first sliding column is provided with a trapezoidal hole, the inner wall of the trapezoidal hole and the inner wall of the inner cylinder are both attached with second sliding columns, and the side surface of the second sliding column and the inner wall of the outer cylinder are both fixedly connected with springs.

[0011] Preferably, the top of the inner wall of the trapezoidal hole is a horizontal surface, and the bottom of the inner wall of the trapezoidal hole is an inclined surface.

[0012] Compared with the prior art, the petroleum chemical water-oil separation device has the advantages that:

[0013] The hollow cylinder in the petroleum chemical water-oil separation device can be quickly disassembled through the cooperation of the locking support, the stop block and the magnetic block, and when the hollow cylinder is taken out from between the upper hollow cylinder and the lower hollow cylinder, the hollow plate with the separation membrane can be directly taken out from the hollow cylinder, so that the separation membrane in the petroleum chemical water-oil separation device is more convenient to replace.

[0014] The pressure of the pressing plate on the mixed liquid in the upper hollow cylinder cannot continue to increase after reaching the maximum value through the cooperation of the second U-shaped plate, the pressing support and the pressing plate, so that the separation membrane is prevented from being damaged due to excessive pressure of the mixed liquid on the separation membrane. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 is a schematic view of the structure of the utility model;

[0016] Figure 2 is Figure 1 is a sectional view at A-A in the utility model;

[0017] Figure 3 is a front view of the structure of the utility model;

[0018] Figure 4 is a left view of the structure of the utility model;

[0019] Figure 5 is a plan view of the upper hollow cylinder in the utility model;

[0020] Figure 6 is a plan view of the hollow cylinder and the supporting ring in the utility model;

[0021] Figure 7 is a plan view of the hollow plate and the separating membrane in the utility model;

[0022] Figure 8 is a front view of the locking support in the utility model;

[0023] Figure 9 is Figure 8 is a sectional view at B-B in the utility model;

[0024] Figure 10 is Figure 9 is a sectional view at C in the utility model;

[0025] Figure 11 is a side view of the pressing support in the utility model;

[0026] Figure 12 is Figure 11 is a sectional view at D-D in the utility model.

[0027] In the drawing: 1, base; 2, lower hollow cylinder; 3, first U-shaped plate; 4, upper hollow cylinder; 5, hollow cylinder; 6, supporting ring; 7, hollow plate; 8, limiting block; 9, separating membrane; 10, locking support; 101, strip-shaped plate; 102, rectangular ring; 103, first cylinder; 104, L-shaped column; 105, handle; 11, magnetic block; 12, stop block; 13, oil outlet pipe; 14, water outlet pipe; 15, liquid discharge valve; 16, liquid inlet pipe; 17, liquid inlet valve; 18, connecting pipe; 19, second U-shaped plate; 20, pressing support; 201, third U-shaped plate; 202, outer cylinder; 203, inner cylinder; 204, first sliding column; 205, hydraulic push rod; 206, trapezoidal hole; 207, second sliding column; 208, spring; 21, pressing plate. DETAILED DESCRIPTION

[0028] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application.

[0029] In the description of the present application, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application.

[0030] Embodiment one:

[0031] With reference to Figures 1-10 An oil-water separation device for petrochemical industry, comprising a base 1, a lower hollow cylinder 2 fixedly connected to the upper surface of the base 1, a first U-shaped plate 3 fixedly connected to the surface of the lower hollow cylinder 2, an upper hollow cylinder 4 fixedly connected to the inner wall of the first U-shaped plate 3, a hollow cylinder 5 abuttingly arranged on the upper surface of the lower hollow cylinder 2, the bottom of the upper hollow cylinder 4 and the inner wall of the first U-shaped plate 3, the hollow cylinder 5 being positioned between the upper hollow cylinder 4 and the lower hollow cylinder 2 by the first U-shaped plate 3, the cross-sectional shapes of the upper hollow cylinder 4, the hollow cylinder 5 and the lower hollow cylinder 2 being the same, a support ring 6 fixedly connected to the inner wall of the hollow cylinder 5, a hollow plate 7 abuttingly arranged on the upper surface of the support ring 6 and the inner wall of the hollow cylinder 5, the hollow plate 7 being supported by the support ring 6, limit blocks 8 fixedly connected to the left and right sides of the inner wall of the upper hollow cylinder 4, the bottom of the limit block 8 abutting the upper surface of the hollow plate 7, the hollow plate 7 being fixed in the hollow cylinder 5 by the limit blocks 8 and the support ring 6 after the hollow cylinder 5 is inserted between the upper hollow cylinder 4 and the lower hollow cylinder 2, and a separation membrane 9 fixedly connected to the inner wall of the hollow plate 7.

[0032] A locking bracket 10 is fixedly connected to the front surface of the hollow cylinder 5, a magnetic block 11 is abuttingly arranged on the front surface of the locking bracket 10, and a stop block 12 is fixedly connected to the front surface of the magnetic block 11 and the left and right sides of the first U-shaped plate 3.

[0033] The locking bracket 10 includes a strip plate 101, the back of which is fixedly connected to the front of the hollow cylinder 5. Rectangular rings 102 are fixedly connected to both sides of the strip plate 101. First cylinders 103 are fixedly connected to both sides of the inner wall of the rectangular rings 102. An L-shaped column 104 is rotatably connected to the surface of the first cylinder 103 via bearings. The front of the L-shaped column 104 is in contact with the back of the magnet 11. The bearings allow the L-shaped column 104 to rotate around the first cylinder 103. When the L-shaped column 104 contacts the back of the magnet 11... The magnetic block 11 attracts the L-shaped column 104, which can be fixed together with the magnetic block 11. The hollow cylinder 5 is fixed between the upper hollow cylinder 4 and the lower hollow cylinder 2 by the cooperation of the magnetic block 11 and the L-shaped column 104. When the user moves the L-shaped column 104 to separate it from the magnetic block 11, the hollow cylinder 5 can be moved directly from between the upper hollow cylinder 4 and the lower hollow cylinder 2. A handle 105 is fixedly connected to the front of the strip plate 101, which makes it more convenient for the user to push and pull the hollow cylinder 5.

[0034] The left side of the lower hollow cylinder 2 is fixedly connected to an oil outlet pipe 13, the left side of the upper hollow cylinder 4 is fixedly connected to a water outlet pipe 14, the left end of the water outlet pipe 14 and the left end of the oil outlet pipe 13 are both fixedly connected to a drain valve 15, the left side of the upper hollow cylinder 4 is fixedly connected to an inlet pipe 16, the left end of the inlet pipe 16 is fixedly connected to an inlet valve 17, and the inlet end of the inlet valve 17 is fixedly connected to a connecting pipe 18.

[0035] Example 2:

[0036] Reference Figures 1-12 The upper hollow cylinder 4 is fixedly connected to the left and right sides with a second U-shaped plate 19. The top of the inner wall of the second U-shaped plate 19 is fixedly connected to a pressing bracket 20. The bottom of the pressing bracket 20 is fixedly connected to a pressing plate 21. The surface of the pressing plate 21 is in contact with the inner wall of the upper hollow cylinder 4.

[0037] The pressing bracket 20 includes a third U-shaped plate 201. An outer cylinder 202 is fixedly connected to the bottom of the third U-shaped plate 201. An inner cylinder 203 is fixedly connected to both the front and rear sides of the inner wall of the outer cylinder 202. A first sliding column 204 is fitted to the inner wall of the third U-shaped plate 201, the inner wall of the outer cylinder 202, and the side of the inner cylinder 203. The bottom of the first sliding column 204 is fixedly connected to the upper surface of the pressing plate 21. A hydraulic push rod 205 is fixedly connected to the upper surface of the third U-shaped plate 201 and the top of the inner wall of the second U-shaped plate 19. A trapezoidal hole 206 is opened inside the first sliding column 204. The top of the inner wall of the trapezoidal hole 206 is horizontal, and the bottom of the inner wall of the trapezoidal hole 206 is inclined. A second sliding column 207 is fitted to the inner wall of the trapezoidal hole 206 and the inner wall of the inner cylinder 203. A spring 208 is fixedly connected to the side of the second sliding column 207 and the inner wall of the outer cylinder 202.

[0038] The second U-shaped plate 19 is controlled to move up and down by the hydraulic push rod 205, the first slide column 204 can only move up and down in the third U-shaped plate 201 through the cooperation of the inner cylinder 203 and the outer cylinder 202, when the pressure of the inclined surface at the bottom of the trapezoidal hole 206 on the second slide column 207 is less than the pushing force of the spring 208 on the second slide column 207, the trapezoidal hole 206 is not separated from the second slide column 207, and the first slide column 204 can move downward together with the third U-shaped plate 201, when the pressure of the inclined surface at the bottom of the trapezoidal hole 206 on the second slide column 207 is greater than the pushing force of the spring 208 on the second slide column 207, the inclined surface at the bottom of the trapezoidal hole 206 pushes the second slide column 207 to move horizontally, and the second slide column 207 is separated from the trapezoidal hole 206, at this time, the second slide column 207 can move upward in the third U-shaped plate 201, and through the cooperation of the second U-shaped plate 19, the pressing support 20 and the pressing plate 21, the pressure of the pressing plate 21 on the mixed liquid in the upper hollow cylinder 4 cannot continue to increase after reaching the maximum value, so that the separation membrane 9 is prevented from being damaged due to the excessive pressure of the mixed liquid on the separation membrane 9.

[0039] At the same time, when the second slide column 207 moves downward in the third U-shaped plate 201, the second slide column 207 is inserted into the trapezoidal hole 206 through the pushing force of the spring 208 on the second slide column 207, and when the second slide column 207 contacts with the horizontal surface at the top of the trapezoidal hole 206, the second slide column 207 cannot continue to move downward through the cooperation of the trapezoidal hole 206 and the second slide column 207, and the second slide column 207 cannot be separated from the third U-shaped plate 201.

[0040] In the utility model, when the user uses the petroleum chemical oil-water separation device, the pressing plate 21 is lifted above the liquid inlet pipe 16 through the hydraulic push rod 205, then the mixed liquid conveying pipe is connected with the connecting pipe 18, the mixed liquid is made to enter the upper hollow cylinder 4 through the opening of the liquid inlet valve 17, and the liquid inlet valve 17 is closed after a certain amount of mixed liquid is put in.

[0041] Then, the pressing plate 21 is pressed against the mixed liquid by the hydraulic push rod 205, and in the pressing process, when the pressure of the mixed liquid against the pressing plate 21 is less than the pushing force of the second slide rod 207 of the spring 208, the trapezoidal hole 206 is not separated from the second slide rod 207, and the first slide rod 204 can move downward together with the third U-shaped plate 201, at this time, the pressing plate 21 is pressed against the mixed liquid by the extended hydraulic push rod 205, and the oil and water are separated by the separation membrane 9, and when the pressure of the mixed liquid against the pressing plate 21 is greater than the pushing force of the second slide rod 207 of the spring 208, the inclined surface at the bottom of the trapezoidal hole 206 pushes the second slide rod 207 to move horizontally, and the second slide rod 207 is separated from the trapezoidal hole 206, at this time, the extended hydraulic push rod 205 no longer exerts downward force on the pressing plate 21, and the pressure of the mixed liquid in the upper hollow cylinder 4 against the pressing plate 21 cannot continue to increase after reaching the maximum value,

[0042] When the oil-water separation is completed, the liquid discharge valves 15 on the oil outlet pipe 13 and the water outlet pipe 14 are opened respectively, so that the separated oil is discharged through the oil outlet pipe 13, and the separated water is discharged through the water outlet pipe 14, at the same time, the pressing plate 21 is returned to the initial position by the hydraulic push rod 205, and the second slide rod 207 is aligned with the trapezoidal hole 206 by the gravity of the pressing plate 21, at the same time, the second slide rod 207 is inserted into the trapezoidal hole 206 by the pushing force of the spring 208 on the second slide rod 207, and the second slide rod 207 cannot be separated from the third U-shaped plate 201 by the cooperation of the trapezoidal hole 206 and the second slide rod 207,

[0043] When the separation membrane 9 is replaced, the magnetic block 11 is separated from the L-shaped column 104 by rotating the L-shaped column 104, then the hollow cylinder 5 is pulled out from between the upper hollow cylinder 4 and the lower hollow cylinder 2, and the hollow plate 7 is taken out from the hollow cylinder 5, then the hollow plate 7 with the new separation membrane 9 is inserted into the hollow cylinder 5, and the hollow cylinder 5 is inserted between the upper hollow cylinder 4 and the lower hollow cylinder 2, then the L-shaped column 104 is brought into contact with the back of the magnetic block 11 by rotating the L-shaped column 104, at this time, the L-shaped column 104 and the magnetic block 11 are fixed together by the attraction of the magnetic block 11 on the L-shaped column 104, and the hollow cylinder 5 is fixed between the upper hollow cylinder 4 and the lower hollow cylinder 2 by the cooperation of the magnetic block 11 and the L-shaped column 104, at the same time, the separation membrane 9 is fixed in the hollow cylinder 5 by the cooperation of the supporting ring 6 and the limiting block 8.

[0044] The above is only a preferred specific embodiment of the present application, but the protection scope of the present application is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered within the protection scope of the present application.

[0045] It is to be understood that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting; it is not intended to be used to limit the scope of the present application. Unless defined otherwise, all technical and scientific terms used herein have the same meanings as commonly understood by one of ordinary skill in the art to which this application belongs. The singular forms "a," "an," and "the" include plural referents unless the context clearly dictates otherwise.

Claims

1. A petrochemical oil-water separation device comprising a base (1), characterized in that, The upper surface of the base (1) is fixedly connected with a lower hollow cylinder (2), the surface of the lower hollow cylinder (2) is fixedly connected with a first U-shaped plate (3), the inner wall of the first U-shaped plate (3) is fixedly connected with an upper hollow cylinder (4), the upper surface of the lower hollow cylinder (2), the bottom of the upper hollow cylinder (4) and the inner wall of the first U-shaped plate (3) are all attached with a hollow cylinder (5), the inner wall of the hollow cylinder (5) is fixedly connected with a supporting ring (6), the upper surface of the supporting ring (6) and the inner wall of the hollow cylinder (5) are all attached with a hollow plate (7), the left and right sides of the inner wall of the upper hollow cylinder (4) are both fixedly connected with a limiting block (8), the bottom of the limiting block (8) is attached with the upper surface of the hollow plate (7), the inner wall of the hollow plate (7) is fixedly connected with a separation membrane (9), the front surface of the hollow cylinder (5) is fixedly connected with a locking support (10), the front surface of the locking support (10) is attached with a magnetic block (11), the front surface of the magnetic block (11) and the left and right sides of the first U-shaped plate (3) are both fixedly connected with a blocking block (12).

2. The petrochemical oil-water separation device according to claim 1, characterized in that, The locking support (10) comprises a strip-shaped plate (101), the back surface of the strip-shaped plate (101) is fixedly connected with the front surface of the hollow cylinder (5), the left and right sides of the strip-shaped plate (101) are both fixedly connected with a rectangular ring (102), the left and right sides of the inner wall of the rectangular ring (102) are both fixedly connected with a first cylinder (103), the surface of the first cylinder (103) is rotatably connected with an L-shaped column (104) through a bearing, the front surface of the L-shaped column (104) is attached with the back surface of the magnetic block (11), the front surface of the strip-shaped plate (101) is fixedly connected with a handle (105).

3. The petrochemical oil-water separation device according to claim 1, characterized in that, The left side of the lower hollow cylinder (2) is fixedly communicated with an oil outlet pipe (13), the left side of the upper hollow cylinder (4) is fixedly communicated with a water outlet pipe (14), the left end of the water outlet pipe (14) and the left end of the oil outlet pipe (13) are both fixedly communicated with a liquid discharge valve (15), the left side of the upper hollow cylinder (4) is fixedly communicated with a liquid inlet pipe (16), the left end of the liquid inlet pipe (16) is fixedly communicated with a liquid inlet valve (17), the liquid inlet end of the liquid inlet valve (17) is fixedly communicated with a connecting pipe (18).

4. The petrochemical oil-water separation device according to claim 1, characterized in that, The left and right sides of the upper hollow cylinder (4) are both fixedly connected with a second U-shaped plate (19), the top of the inner wall of the second U-shaped plate (19) is fixedly connected with a pressing support (20), the bottom of the pressing support (20) is fixedly connected with a pressing plate (21), the surface of the pressing plate (21) is attached with the inner wall of the upper hollow cylinder (4).

5. A petrochemical oil-water separation device according to claim 4, characterized in that, The pressing support (20) comprises a third U-shaped plate (201), the bottom of the third U-shaped plate (201) is fixedly connected with an outer cylinder (202), the front and rear sides of the inner wall of the outer cylinder (202) are both fixedly connected with an inner cylinder (203), the inner wall of the third U-shaped plate (201), the inner wall of the outer cylinder (202) and the side of the inner cylinder (203) are all fixedly connected with a first sliding column (204), the bottom of the first sliding column (204) is fixedly connected with the upper surface of a pressing plate (21), the upper surface of the third U-shaped plate (201) and the top of the inner wall of a second U-shaped plate (19) are both fixedly connected with a hydraulic push rod (205), the inside of the first sliding column (204) is provided with a trapezoidal hole (206), the inner wall of the trapezoidal hole (206) and the inner wall of the inner cylinder (203) are both fixedly connected with a second sliding column (207), and the side of the second sliding column (207) and the inner wall of the outer cylinder (202) are both fixedly connected with a spring (208).

6. A petrochemical oil-water separation device according to claim 5, characterized in that, The top of the inner wall of the trapezoidal hole (206) is a horizontal plane, and the bottom of the inner wall of the trapezoidal hole (206) is an inclined plane.

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