CN221071134U - Oil-water stable separation tank - Google Patents

Abstract

The utility model relates to the technical field of separation equipment and discloses an oil-water stable separation tank which comprises a separation bin, a standing bin and a storage bin, wherein the separation bin is arranged in the standing bin, the top of the separation bin is open, a bubble generator is arranged in the separation bin, a liquid inlet is formed in the bubble generator, the standing bin is separated from the storage bin through a first partition plate, a water flowing hole is formed in the lower portion of the first partition plate, an oil liquid collecting device is further arranged in the standing bin, the oil liquid collecting device is higher than the water flowing hole, and the water flowing hole can be opened or closed. The beneficial effects of the utility model are as follows: the oil-water separation can be stably realized, the whole structure is simple in operation, simple in structure, easy to install, strong in functionality and practicality, and easy to repair and maintain and replace consumable materials.

Description

Oil-water stable separation tank

Technical Field

The utility model relates to the technical field of separation equipment, in particular to an oil-water stable separation tank.

Background

In industrial production, especially in nonferrous hydrometallurgy industry, ternary lithium ion battery precursor material industry and ternary battery recovery industry, the wet extraction and separation of nickel sulfate, cobalt and manganese are involved, organic matters such as kerosene and extractant are needed, a part of the kerosene extractant is slightly dissolved in water, and a large amount of solvent oil organic matters are entrained in the product separated by an extraction method. However, the lithium ion battery precursor materials industry requires relatively high organic matter (COD) levels, typically less than 10 mg/l organic matter content of the product. If the product is primarily treated by the oil separation tank, and then is directly adsorbed by using active carbon, resin and the like, a great deal of cost is required to be used for realizing the product requirement, and valuable recyclable resources such as an extractant and the like are wasted. Therefore, a new oil-water stable separation tank is needed to solve the above problems.

Disclosure of utility model

The application aims to provide an oil-water stable separating tank which can separate water-soluble oil in a rapid and effective way with low cost.

The application aims at realizing the following technical scheme:

An oil-water stable separation tank comprising: the device comprises a tank body, a first partition plate, a second partition plate and a fourth partition plate, wherein the tank body is divided into a standing bin and a storage bin by the first partition plate, the second partition plate and the fourth partition plate are arranged in the standing bin and jointly define a separation bin with the tank body, the top of the separation bin is communicated with the standing bin, the bottom of the first partition plate is connected with the bottom wall of the tank body, and the top of the first partition plate is connected with the top wall of the tank body;

The separation bin is internally provided with a bubble generator, the bubble generator is provided with a liquid inlet, the lower part of the first partition plate is provided with a water flowing hole, the static bin is internally provided with an oil liquid collecting device, the oil liquid collecting device is higher than the water flowing hole, and the storage bin is provided with a liquid outlet.

In some embodiments of the present application, the second partition plate and the fourth partition plate are vertically disposed in the standing bin, the top of the second partition plate and the top of the fourth partition plate are both at a certain distance from the top wall of the tank body, and the bottom of the second partition plate and the bottom of the fourth partition plate are both connected with the bottom wall of the tank body.

In some embodiments of the present application, the first partition plate includes a plate body and a flow slowing pipe, the flow slowing pipe is connected with the plate body and is located at the lower part of the plate body, the flow slowing pipe horizontally extends into the standing bin, a blind plate is arranged at one end of the flow slowing pipe, which is close to the standing bin, and the flow hole is formed in the flow slowing pipe.

In some embodiments of the present application, the number of the water flow holes is plural, and the plural water flow holes are opened at the upper half part of the slow flow pipe and are arranged at intervals along the horizontal direction.

In some embodiments of the application, a switch valve is arranged at the water flow hole.

In some embodiments of the present application, the water flow holes are arranged at intervals along the circumferential direction of the slow flow pipe, and circumferentially adjacent water flow holes are arranged at 30 °.

In some embodiments of the present application, the storage bin further includes a third partition board, the third partition board is disposed in the storage bin, the bottom of the third partition board is connected to the bottom of the tank body, the top of the third partition board is a certain distance from the top wall of the tank body, the third partition board is disposed close to the first partition board, and oil absorption fibers are disposed between the first partition board and the third partition board.

In some embodiments of the present application, the bubble generator includes a jet pump, a conduit, and a liquid dispersing device, the liquid inlet is disposed on the jet pump, one end of the conduit is connected to an output end of the jet pump, the other end of the conduit is connected to the liquid dispersing device, and the liquid dispersing device is disposed at a lower portion of the separation bin.

In some embodiments of the application, the bubble generator further comprises a pressure relief device disposed in the conduit above the liquid dispersion device.

In some embodiments of the present application, the oil collecting device includes an oil suction groove, an oil suction hole and an oil delivery pipe sequentially disposed from top to bottom, the oil suction hole is communicated with the oil suction groove and the oil delivery pipe, the oil suction groove is in a horizontally extending long groove structure and is communicated with the standing bin, and the oil delivery pipe is communicated with an external oil collecting bin.

According to the oil-water stable separation tank, the bubble generator is arranged in the separation bin, the liquid inlet on the bubble generator is used for introducing feed liquid into the separation bin, the bubble generator can utilize generated tiny and compact bubbles to separate organic matters dissolved in water, then overflows from the top of the separation bin to the standing bin for standing, oil floats on oil to sink by utilizing the characteristic of different oil-water densities, the oil is pumped away and collected by the oil collector to be recycled after reaching the height of the oil collector, and water flows into the storage bin through the water flow holes at the lower part of the first partition plate, so that oil-water stable separation is completed.

Drawings

FIG. 1 is a front view of an oil-water stabilization separation tank of the present application;

FIG. 2 is a schematic structural view of the bubble generator of the present application;

FIG. 3 is a schematic view of the structure of the buffer tube of the present application;

FIG. 4 is a schematic view of the oil collection device of the present application;

FIG. 5 is a top view of the oil-water stabilization separation tank of the present application;

FIG. 6 is a side view of the oil-water stabilization separation tank of the present application.

In the figure, 1, a separation bin; 2. standing the warehouse; 3. a storage bin; 31. a liquid outlet; 4. a bubble generator; 41. a liquid inlet; 42. a jet pump; 43. a conduit; 44. a liquid dispersing device; 45. a pressure reducing device; 5. a first separator; 51. a water flow hole; 52. a plate body; 53. a buffer tube; 6. an oil liquid collecting device; 61. an oil suction hole; 62. an oil suction groove; 63. an oil delivery pipe; 7. a second separator; 8. an oil absorption space; 9. a tank body; 10. a third separator; 11. and a fourth separator.

Detailed Description

The following describes in further detail the embodiments of the present utility model with reference to the drawings and examples. The following examples are illustrative of the utility model and are not intended to limit the scope of the utility model.

In the description of the present utility model, it should be understood that the terms "upper," "lower," "top," "bottom," and the like as used herein indicate an orientation or a positional relationship based on that shown in the drawings, and are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or element in question must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

As shown in fig. 1-6, an embodiment of the present application provides an oil-water stable separation tank, including: the device comprises a tank body 9, a first partition board 5, a second partition board 7 and a fourth partition board 11, wherein the tank body 9 is divided into a standing bin 2 and a storage bin 3 by the first partition board 5, the second partition board 7 and the fourth partition board 11 are arranged in the standing bin 2 and jointly limit the tank body 9 to form a separation bin 1, the top of the separation bin 1 is communicated with the standing bin 2, the bottom of the first partition board 5 is connected with the bottom wall of the tank body 9, and the top of the first partition board 5 is connected with the top wall of the tank body 9; the separation bin 1 is internally provided with a bubble generator 4, the bubble generator 4 is provided with a liquid inlet 41, the lower part of the first partition board 5 is provided with a water flowing hole 51, the static bin 2 is internally provided with an oil liquid collecting device 6, the oil liquid collecting device 6 is higher than the water flowing hole 51, and the storage bin 3 is provided with a liquid outlet 31.

Based on the technical scheme, the oil-water stable separation tank is characterized in that the bubble generator 4 is arranged in the separation bin 1, the liquid inlet 41 on the bubble generator 4 is used for introducing feed liquid into the separation bin 1, the bubble generator 4 can separate out organic matters dissolved in water by utilizing generated tiny and compact bubbles, then overflows from the top of the separation bin 1 to the standing bin 2 for standing, oil water is floated and submerged by utilizing the characteristics of different oil-water densities, the oil water is pumped and collected by the oil water collecting device 6 for recycling after reaching the height of the oil water collecting device 6, and the water flows into the storage bin 3 through the water flow hole 51 at the lower part of the first partition plate 5, finally is discharged out of the storage bin 3 through the liquid outlet 31 and is further processed, so that the oil water stable separation is completed. Wherein, the bubble generator 4 can efficiently separate out the organic matters dissolved in water, and compared with the traditional treatment mode, the time and the cost are saved. In addition, the first partition board 5 not only can play a role in isolation, but also can strengthen the rigidity of the whole tank body, and plays a role in improving the reliability of the whole structure. The second partition 7 and the fourth partition 11 and the tank 9 form a separation chamber 1 in various manners, for example, a vertical partition encloses the separation chamber 1 with the bottom wall of the tank 9 forming the top communicated with the standing chamber 2, or a bent partition forms with the side wall of the tank 9 forming the separation chamber 1 with the top communicated with the standing chamber 2. The whole structure is simple to operate, simple in structure, easy to install, strong in functionality and practicality, and easy to repair and maintain and replace consumable materials.

In some embodiments of the present application, as shown in fig. 1, 5 and 6, the second partition 7 and the fourth partition 11 are vertically disposed in the standing bin 2, the top of the second partition 7 and the top of the fourth partition 11 are spaced from the top wall of the tank 9, and the bottom of the second partition 7 and the bottom of the fourth partition 11 are connected to the bottom wall of the tank 9. The mode that the second baffle 7 and the fourth baffle 11 adopt vertical baffle cooperation cell body 9 diapire forms separation storehouse 1 to guaranteed that the separation storehouse has great volume, in the bubble generator 4 of being convenient for carries out abundant separation to the water oil mixture then gets into and stews storehouse 2, and second baffle 7 and fourth baffle 11 set up certain distance with cell body 9 roof, need not to set up unnecessary structure and just can realize the flow of liquid from separation storehouse 1 to keeping to keep standstill storehouse 2, the structure is simpler.

In some embodiments of the present application, as shown in fig. 1 and 5, the storage bin further includes a third partition board 10, the third partition board 10 is disposed in the storage bin 3, the bottom of the third partition board 10 is connected to the bottom of the tank body 9, the top of the third partition board 10 is a certain distance from the top wall of the tank body 9, the third partition board 10 is disposed near the first partition board 5, and oil absorbing fibers are disposed between the first partition board 5 and the third partition board 10. Since some organic matters remain in the water after the separation treatment, the oil can be further removed through the oil absorbing fiber on the third partition board 10, thereby further reducing the oil content in the water.

Specifically, as shown in fig. 1 and 5, the first separator 5 and the third separator 10 are spaced apart to define an oil absorption space 8 together, the top of the oil absorption space 8 is open, and the oil absorption fibers are disposed on one side of the third separator 10 close to the first separator 5. In order to improve the efficiency of removing oil, the first partition board 5 and the third partition board 10 can be arranged at intervals, so that an oil suction space 8 with only a top opening is formed, and oil suction fibers are arranged on the side of the oil suction space 8, so that when separated oil and water enter the oil suction space 8 through the water flow holes 51 at the lower part of the first partition board 5, most of oil can be sucked away in the smaller oil suction space 8 by utilizing the oil suction fibers, and then flows out from the opening at the top of the oil suction space 8, and the effect of removing residual oil in water is further improved.

In some embodiments of the present application, as shown in fig. 1, 2 and 6, the bubble generator 4 includes a jet pump 42, a conduit 43 and a liquid dispersing device 44, the liquid inlet 41 is disposed on the jet pump 42, one end of the conduit 43 is connected to the output end of the jet pump 42, the other end of the conduit 43 is connected to the liquid dispersing device 44, and the liquid dispersing device 44 is located at the lower part of the separation bin 1. The jet pump 42 pressurizes and sprays the feed liquid entering the bubble generator 4 through the feed liquid inlet 41, the guide pipe 43 serves as drainage, the liquid dispersing device 44 disperses the feed liquid and then enters the separation bin 1, and the liquid in the guide pipe 43 has a very high flow rate, so that negative pressure is generated to suck air, fine and compact bubbles are stably generated, and the fine bubbles can absorb the oil liquid to form flocculation particles to float upwards, so that the effect of separating the oil liquid in water is realized.

Specifically, as shown in fig. 1, 2 and 6, the bubble generator 4 further includes a pressure reducing device 45, and the pressure reducing device 45 is disposed in the conduit 43 and before the liquid dispersing device 44. The pressure reducing device 45 can reduce the pressure of the water flow, so that the ejected water pressure is more suitable for the working environment of the liquid dispersing device 44.

In some embodiments of the present application, as shown in fig. 1 and 5, the storage bin 3 is provided with a liquid outlet 31. If the oil-liquid content in the water after primary oil-water separation still does not meet the standard, the water in the storage bin 3 can be subjected to oil-water separation for a plurality of times until the water meets the standard, and the water in the water can be led out through the liquid outlet 31 of the storage bin 3 at the moment and then is connected to the liquid inlet 41 of the other oil-water stable separation groove, so that the oil-water separation is realized again.

In some embodiments of the present application, as shown in fig. 1, 3, 5, and 6, the first partition 5 includes a plate body 52 and a buffer pipe 53, the buffer pipe 53 is connected to the plate body 52 and is located at a lower portion of the plate body 52, the buffer pipe 53 horizontally extends into the standing bin 2, a blind plate is disposed at an end of the buffer pipe 53 near the standing bin 2, and the water flow hole 51 is opened on the buffer pipe 53. The buffer tube 53 cooperates with the plate body 52 in such a way that the liquid in the rest bin 2 can slowly and stably enter the storage bin 3.

Specifically, as shown in fig. 1, 3, 5 and 6, the water flow holes 51 are formed in the upper half portion of the slow flow pipe 53 and are arranged at intervals along the horizontal direction, the aperture of the water flow holes is phi 2 mm-phi 8mm, and the intervals between adjacent water flow holes 51 are 5mm-6mm. The slow flow pipe 53 and the water flow hole 51 which are arranged in the mode ensure that water can stably enter the storage bin 3, and the separation efficiency is not influenced due to too slow flow rate. Preferably, the diameter of the water flow hole 51 is phi 5mm.

More specifically, as shown in fig. 3, the water flow hole 51 is provided with an on-off valve. Because the oil-water mixed liquid in the standing bin 2 needs to be kept still to realize final separation, the water flowing hole 51 needs to have a switching function, the water flowing hole 51 is closed in the process that the separating bin 1 supplies liquid to the standing bin 2 continuously, the oil-water mixed liquid is prevented from entering the storage bin 3, and the water flowing hole 51 is opened after the oil-water mixed liquid is kept still for a certain time, so that water with higher density enters the storage bin 3 from the bottom.

More specifically, as shown in fig. 3, the water flow holes 51 are arranged at intervals along the circumferential direction of the slow flow pipe 53, and the water flow holes 51 adjacent to each other in the circumferential direction are arranged at 30 °. The arrangement mode of the water flow holes 51 with the structure can further improve the stability and the trafficability of water flow from the standing bin 2 to the storage bin 3, and reduce the risk of blocking the water flow holes 51.

In some embodiments of the present application, as shown in fig. 1, 4, 5, and 6, the oil collecting device 6 includes an oil suction groove 62, an oil suction hole 61, and an oil delivery pipe 63 sequentially disposed from top to bottom, where the oil suction hole 61 communicates the oil suction groove 62 with the oil delivery pipe 63, the oil suction groove 62 is a long groove structure extending transversely and is communicated with the standing bin 2, and the oil delivery pipe 63 is communicated with an external oil collecting bin. The oil suction groove 62 can collect the oil floating above the static bin 2, convey the collected oil to the oil conveying pipe 63 through the oil suction hole 61, and finally convey the collected oil to an external oil collecting bin to collect the oil. The separated floating oil can be pumped into a regeneration section of a corresponding extraction line for recycling. Specifically, the oil suction holes 61 are uniformly distributed phi 40mm holes and are connected through phi 40 pipelines to the oil collecting bin.

In summary, the oil-water stable separating tank is provided with the bubble generator 4 in the separating bin 1, the liquid inlet 41 on the bubble generator 4 is used for introducing feed liquid into the separating bin 1, the bubble generator 4 can separate out organic matters dissolved in water by utilizing generated tiny and compact bubbles, then overflows from the top of the separating bin 1 to the standing bin 2 for standing, oil floats on oil to sink by utilizing the characteristics of different oil-water densities, the oil is pumped and collected by the oil collecting device 6 for recycling after reaching the height of the oil collecting device, and water flows into the storage bin 3 through the water flow hole 51 at the lower part of the first partition plate 5, so that oil-water stable separation is completed.

The foregoing is merely a preferred embodiment of the present application, and it should be noted that modifications and substitutions can be made by those skilled in the art without departing from the technical principles of the present application, and these modifications and substitutions should also be considered as being within the scope of the present application.

Claims (10)

1. An oil-water stable separation tank, comprising: the device comprises a tank body (9), a first partition board (5), a second partition board (7) and a fourth partition board (11), wherein the first partition board (5) divides the tank body (9) into a standing bin (2) and a storage bin (3), the second partition board (7) and the fourth partition board (11) are arranged in the standing bin (2) and jointly limit the tank body (9) to form a separation bin (1), the top of the separation bin (1) is communicated with the standing bin (2), the bottom of the first partition board (5) is connected with the bottom wall of the tank body (9), and the top of the first partition board (5) is connected with the top wall of the tank body (9);

be equipped with bubble generator (4) in separation storehouse (1), be equipped with inlet (41) on bubble generator (4), flow hole (51) have been seted up to the lower part of first baffle (5), still be equipped with fluid collection device (6) in standing storehouse (2), fluid collection device (6) are higher than flow hole (51) set up, liquid outlet (31) have been seted up in storage storehouse (3).

2. The oil-water stable separation tank according to claim 1, wherein the second partition plate (7) and the fourth partition plate (11) are vertically arranged in the standing bin (2), the top of the second partition plate (7) and the top of the fourth partition plate (11) are both at a certain distance from the top wall of the tank body (9), and the bottom of the second partition plate (7) and the bottom of the fourth partition plate (11) are both connected with the bottom wall of the tank body (9).

3. The oil-water stable separation tank according to claim 2, wherein the first partition plate (5) comprises a plate body (52) and a slow flow pipe (53), the slow flow pipe (53) is connected with the plate body (52) and is located at the lower part of the plate body (52), the slow flow pipe (53) horizontally stretches into the standing bin (2), a blind plate is arranged at one end, close to the standing bin (2), of the slow flow pipe (53), and the water flow hole (51) is formed in the slow flow pipe (53).

4. The oil-water stable separating tank according to claim 3, wherein the number of the water flowing holes (51) is plural, and the plurality of the water flowing holes (51) are provided in the upper half portion of the slow flow pipe (53) at intervals in the horizontal direction.

5. The oil-water stable separating tank according to claim 4, wherein an on-off valve is provided at the water flow hole (51).

6. The oil-water stable separating tank according to claim 4, wherein the water flow holes (51) are arranged at intervals along the circumferential direction of the slow flow pipe (53), and circumferentially adjacent water flow holes (51) are arranged at 30 °.

7. The oil-water stable separating tank according to any one of claims 1-6, further comprising a third partition (10), wherein the third partition (10) is arranged in the storage bin (3), the bottom of the third partition (10) is connected with the bottom of the tank body (9), the top of the third partition (10) is at a certain distance from the top wall of the tank body (9), the third partition (10) is arranged close to the first partition (5), and oil absorption fibers are arranged between the first partition (5) and the third partition (10).

8. The oil-water stable separation tank according to claim 1, wherein the bubble generator (4) comprises a jet pump (42), a conduit (43) and a liquid dispersing device (44), the liquid inlet (41) is formed in the jet pump (42), one end of the conduit (43) is connected to the output end of the jet pump (42), the other end of the conduit (43) is connected to the liquid dispersing device (44), and the liquid dispersing device (44) is located at the lower part of the separation bin (1).

9. The oil-water stabilization separator tank according to claim 8, characterized in that the bubble generator (4) further comprises a pressure reducing device (45), which pressure reducing device (45) is provided in the conduit (43) above the liquid dispersion device (44).

10. The oil-water stable separation tank according to claim 1, wherein the oil collecting device (6) comprises an oil suction tank (62), an oil suction hole (61) and an oil delivery pipe (63) which are sequentially arranged from top to bottom, the oil suction hole (61) is communicated with the oil suction tank (62) and the oil delivery pipe (63), the oil suction tank (62) is of a transversely extending long tank structure and is communicated with the standing bin (2), and the oil delivery pipe (63) is communicated with an external oil collecting bin.