CN212347807U - Oil-water separation device with flow adjusting function - Google Patents
Oil-water separation device with flow adjusting function Download PDFInfo
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- CN212347807U CN212347807U CN202020229608.2U CN202020229608U CN212347807U CN 212347807 U CN212347807 U CN 212347807U CN 202020229608 U CN202020229608 U CN 202020229608U CN 212347807 U CN212347807 U CN 212347807U
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Abstract
The utility model provides an oil-water separation device with flow regulation function, which comprises a demulsification tank; the liquid in the demulsification tank overflows into a separation tank; the oil on the upper layer in the separation tank overflows into the oil collecting tank; the collecting tank is used for receiving the transmitted liquid at the lower part of the demulsifying tank and the transmitted liquid at the lower part of the oil collecting tank; the first pipeline is used for communicating the demulsification tank with the collection tank, and the second pipeline is used for communicating the oil collection tank with the collection tank; the first adjusting piece is arranged on a first pipeline in the collecting tank, and the highest position of an opening of the first adjusting piece which moves up and down is higher than the top end position of the first pipeline and higher than the height of a first overflow port between the demulsification tank and the separation tank; the second adjusting piece is arranged on a second pipeline in the collecting tank, and the highest position of an opening of the second adjusting piece which moves up and down is higher than the top end position of the second pipeline and higher than the height of a second overflow port between the oil collecting tank and the collecting tank. The utility model has the advantages of high collection efficiency, accuracy and the like.
Description
Technical Field
The utility model relates to a liquid separation, in particular to oil-water separator with flow control function.
Background
The degreasing agent waste liquid purification treatment can save the production and processing cost on the one hand, and can reduce the discharge amount of dangerous waste on the other hand, thereby realizing green clean production. The main purpose of the purification and reuse treatment is to separate the mixed oil mixed in the oil, and common oil-water separation methods include a physical separation method and a chemical separation method, wherein the physical method is to remove the oil mixed in the water by the density difference or adsorption and filtration of the oil and the water, and the main methods include a heating separation method, a filtration separation method, an air flotation separation method, an ultrafiltration membrane separation method, a reverse osmosis separation method, a coalescence separation method, a centrifugal separation method and the like; the chemical separation method is to realize demulsification through a demulsifier, and the chemical separation method is not generally adopted because the chemical can influence the components of the liquid to be treated and increase the separation difficulty.
The following are several common separation methods:
the gravity or air flotation separation is based on different oil-water densities or buoyancy, the method is simple, the oil removal effect is stable, but the required time is long; the coalescence separation increases the oil content dispersed in water through the coarse grained material until the buoyancy is larger than the adhesion force to float, the equipment is simple, the investment is low, the service cycle of the coalescence material is long, but the coalescence filler which is not used is selected according to different oil-containing waste liquid, so the adaptability of the method is greatly reduced; by utilizing the selective permeability principle of the hollow fiber membrane, the oil-water separation effect is good, but part of effective components can be removed simultaneously, the cost is high, the investment is large, and the equipment is complex and difficult to operate; the oil in the solution is absorbed by a lipophilic material for filtration and separation, the effluent has good quality, the equipment is miniaturized and is simple to operate, but the equipment investment is high, and the filter bag of the filter material is difficult to regenerate; the centrifugal separation method utilizes centrifugal force generated by rapid rotation to enable water with high density to flow outwards along a circular path, and oil with low density is thrown to an inner ring and gathers into large oil droplets to float and separate, but the daily maintenance is difficult, and the effective components of the liquid to be treated can be damaged.
SUMMERY OF THE UTILITY MODEL
For solving the not enough among the above-mentioned prior art scheme, the utility model provides a separation efficiency is high, simple structure, the easy oil-water separator who maintains that has the flow adjustment function.
The utility model aims at realizing through the following technical scheme:
an oil-water separation device with a flow adjusting function comprises a demulsification tank; the oil-water separation device with the flow rate adjusting function further comprises:
the liquid in the demulsification tank overflows into the separation tank;
the oil collecting tank is used for overflowing the oil on the upper layer in the separation tank into the oil collecting tank;
a collection tank for receiving the transferred liquid from the lower portion of the emulsion breaking tank and the transferred liquid from the lower portion of the oil collecting tank;
the first pipeline is used for communicating the demulsification tank with the collection tank, and the second pipeline is used for communicating the oil collection tank with the collection tank;
the demulsification tank is arranged in the separation tank, and comprises a first pipeline, a first adjusting piece, a second pipeline and a second adjusting piece, wherein the first adjusting piece is arranged on the first pipeline in the collection tank, the highest position of an opening of the first adjusting piece which moves up and down is higher than the top end position of the first pipeline and higher than the height of a first overflow port between the demulsification tank and the separation tank, and the lowest position and the top end position are both lower than the height of the first overflow port;
the second adjusting piece is arranged on a second pipeline in the collecting tank, the highest position of an opening of the second adjusting piece which moves up and down is higher than the top end position of the second pipeline and lower than the height of a second overflow port between the oil collecting tank and the separating tank, and the lowest position and the top end position of the second pipeline are both lower than the height of the oil drain port; the second overflow port is lower than the first overflow port, and the height of the oil discharge port is lower than that of the second overflow port.
Compared with the prior art, the utility model discloses the beneficial effect who has does:
1. the first adjusting piece moves upwards, the highest position of an opening of the first adjusting piece is higher than the height of the first overflow port, and liquid with higher oil content at the upper part of the demulsification tank overflows into the separation tank; the first adjusting piece moves downwards, the heights of the lowest position and the top position are lower than the height of the first overflow port, and liquid with lower oil content at the lower part of the demulsification tank overflows into the collection tank, so that the oil-liquid separation efficiency is improved;
2. the second adjusting piece moves upwards, the highest position of an opening of the second adjusting piece is lower than the height of the second overflow port, and liquid with high oil content at the upper part of the collecting tank overflows into the oil collecting tank and then is discharged out of the oil collecting tank through the oil discharge port; the second adjusting piece moves downwards, the heights of the lowest position and the top position are lower than the height of the oil outlet, and liquid with low oil content at the lower part of the oil collecting tank overflows into the collecting tank, so that the oil-liquid separation efficiency is improved;
3. the arrangement of the heating unit and the bubble generating unit is beneficial to improving the oil-liquid separation effect;
4. the sectional area of the emulsion breaking tank is small at the top and large at the bottom, so that the height of liquid with the same volume is increased (the higher the liquid level is, the higher the oil content is), more liquid with higher content in the upper layer enters the separation tank, and the oil-liquid separation effect is also improved;
5. the use of the cooling unit enables the viscosity of the upper layer oil in the oil collecting tank to be increased and accumulated, thereby facilitating the collection and discharge of the oil;
6. the arrangement of the inclined plate in the oil collecting tank reduces the content of particulate matters, facilitates the upward floating of oil in the lower-layer liquid and improves the oil-liquid separation effect;
7. the design of the liquid inlet point in the emulsion breaking tank prevents waste liquid which enters the emulsion breaking tank and is not subjected to emulsion breaking from directly entering the separation tank or the collection tank, so that the oil-liquid separation effect is improved;
8. the demulsification tank, the separation tank, the heating unit and other parts are conventional parts, and the demulsification tank, the separation tank, the heating unit and other parts are simple in structure, good in reliability and easy to maintain.
9. The device is through the circulation treatment to oily pending liquid to effectively reduce the oil content in waiting to handle, promote pending result of use of liquid, prolong pending life cycle of liquid
Drawings
The disclosure of the present invention will become more readily understood with reference to the accompanying drawings. As is readily understood by those skilled in the art: these drawings are only intended to illustrate the technical solution of the present invention and are not intended to limit the scope of the present invention. In the figure:
fig. 1 is a schematic structural view of an oil-water separation device having a flow rate adjustment function according to an embodiment of the present invention.
Detailed Description
Fig. 1 and the following description depict alternative embodiments of the invention to teach those skilled in the art how to make and reproduce the invention. For the purpose of teaching the present invention, some conventional aspects have been simplified or omitted. Those skilled in the art will appreciate variations or substitutions from these embodiments that will be within the scope of the invention. Those skilled in the art will appreciate that the features described below can be combined in various ways to form multiple variations of the invention. Accordingly, the present invention is not limited to the following alternative embodiments, but is only limited by the claims and their equivalents.
Example 1:
fig. 1 schematically shows a schematic structural diagram of an oil-water separation device with a flow rate adjustment function according to an embodiment of the present invention, and as shown in fig. 1, the oil-water separation device with a flow rate adjustment function includes:
a demulsification tank 11, wherein a demulsification heating unit 12 and a bubble generating unit 13 are adopted;
the separation tank 21 is used for overflowing the liquid in the demulsification tank 11 into the separation tank 21, and the liquid is separated into upper-layer oil and lower-layer clean liquid after standing in the separation tank 21;
an oil collecting tank 31, wherein the oil on the upper layer in the separation tank 21 overflows into the oil collecting tank 31;
and the collecting tank 81 is used for receiving the transmitted liquid at the lower part of the demulsification tank 11 and the transmitted liquid at the lower part of the oil collecting tank, and the liquid reaches a certain volume in the collecting tank 81 and then returns to the tank body through a liquid return pump 92.
A first pipeline 52 and a second pipeline 51, wherein the first pipeline 52 is used for communicating the demulsification tank 11 with the collection tank 81, and the second pipeline 51 is used for communicating the oil collection tank 31 with the collection tank 81;
the first adjusting piece 62 is arranged on the first pipeline 52 in the collecting tank 81, the highest position of the opening of the first adjusting piece 62 which moves up and down is higher than the top end position of the first pipeline 52 and the height of the first overflow port 22 between the emulsion breaking tank 11 and the separating tank 21, and the lowest position and the top end position are both lower than the height of the first overflow port 22;
the second adjusting piece 61 is arranged on the second pipeline 51 in the collecting tank 81, the highest position of the opening of the second adjusting piece 61 which moves up and down is higher than the top end position of the second pipeline 51 and higher than the height of the oil drain port 41, and the lowest position and the top end position of the second pipeline 51 are both lower than the height of the oil drain port 41; the second overflow opening 23 is located lower than the first overflow opening 22.
In order to increase the height of the same volume of liquid, further, the sectional area of the upper part of the emulsion breaking tank 11 is smaller than that of the lower part, so that the height of the liquid with high oil content is effectively increased, and the liquid enters the separation tank 21 to realize oil-liquid separation.
In order to conveniently and reliably move up and down along the pipeline, further, the first adjusting member 62 and/or the second adjusting member 61 are cylindrical structures, and are fixed on the pipeline through threads, such as being sleeved on the outer edge of the pipeline, such as:
the upper end opening or the vertical side wall of the first adjusting piece and/or the second adjusting piece is provided with an opening (the upper end is closed, the position of the opening is lower than that of the top end), the lower end of the first adjusting piece and/or the second adjusting piece is sealed with the pipeline, and liquid enters and exits through the opening when the adjusting pieces move up and down.
In order to prevent waste liquid which is newly entered into the emulsion breaking tank and is not subjected to emulsion breaking treatment from entering the collecting tank or the separating tank, the distance between the position of a liquid inlet point (liquid inlet 14) of the emulsion breaking tank and the position of a communication point is more than 0.75 time of the width of the emulsion breaking tank, the distance between the height of the liquid inlet point of the emulsion breaking tank 11 and the bottom wall of the emulsion breaking tank 11 is less than 0.25 time of the height of the emulsion breaking tank 11, and the communication point is the position of the end part of the first pipeline 52 extending into the emulsion breaking tank 11.
To control the oil drainage time, further, the side walls of the oil sump 31 have viewing windows 33 adapted to transmit visible light.
In order to collect the oil on the upper layer of the oil collecting tank 31, the oil-water separating device further comprises:
and the temperature reducing unit 32 is used for reducing the temperature of the oil on the upper layer of the oil collecting tank 31.
In order to remove particles from the oil and facilitate the floating of oil from the underlying liquid, the oil sump 31 further has obliquely disposed plates 34 therein, the plates having through holes, and the through holes of each plate being staggered.
Example 2:
according to the utility model discloses oil-water separator's with flow control function application example, for example oil-water separation in cutting fluid, release agent, the processing of degreasing bath liquid.
In the present application example, as shown in fig. 1, the demulsification tank 11 and the collection tank 81 are arranged in the container, the oil collecting tank 31 is arranged at the upper part in the collection tank 81, and the separation tank 21 is arranged in the demulsification tank 11, so that the effective sectional area of the upper part of the demulsification tank 11 is smaller than that of the lower part; the demulsification tank 11, the separation tank 21 and the oil collecting tank 31 share the upper side wall, and the demulsification tank 11 and the collecting tank 81 share the lower side wall; the side wall of the demulsification tank 11 is higher than the side wall of the separation tank 21, namely at least one of the side walls of the non-shared side walls of the separation tank 21 is used as an overflow port 22, for example, only the side wall opposite to the shared side wall is used as an overflow port; the second overflow port 23 is arranged on the common side wall of the oil collecting tank 31 and is lower than the first overflow port 22; a fan 32 is arranged in the oil collecting tank 31 and used for reducing the temperature of surface oil in the oil collecting tank; a window sheet 33 which transmits visible light is arranged on the side wall of the oil collecting groove 31; the oil collecting tank 31 is internally provided with a plurality of obliquely arranged plates 34, such as inverted V-shaped plates, and the plates are provided with through holes;
the bottom end opening of the first pipeline 52 is arranged in the demulsification tank 11, and the top end opening is arranged in the collection tank 81; the internal thread of the first adjusting piece 62 with two open ends is matched with the external thread of the first pipeline 52, the first adjusting piece 62 fixed on the first pipeline 52 moves up and down along the first pipeline 52, the highest position of the opening of the first adjusting piece 62 is higher than the top position of the first pipeline 52 and higher than the height of the first overflow port 22, and the lowest position and the top position of the first pipeline 52 are both lower than the height of the first overflow port 22;
the bottom end opening of the second pipeline 51 is arranged in the oil collecting tank 31, and the top end opening is arranged in the collecting tank 81; the internal thread of the second adjusting piece 61 with two open ends is matched with the external thread of the second pipeline 51, the second adjusting piece 61 fixed on the second pipeline 51 moves up and down along the second pipeline 51, the highest position of the opening of the second adjusting piece 61 is higher than the top end position of the second pipeline 51, lower than the height of the second overflow port 23, but higher than the height of the oil drain port 41, and the heights of the lowest position and the top end position of the second pipeline 51 are both lower than the height of the oil drain port 41;
the side wall of the emulsion breaking groove 11 is provided with an inlet 14, the distance from the inlet 14 to the bottom wall of the emulsion breaking groove 11 is less than 0.25 times of the height of the emulsion breaking groove, the distance between the position of the inlet and the position of a communication point is more than 0.75 times of the width of the emulsion breaking groove (the width is the extending direction from the emulsion breaking groove to the collecting groove), and the communication point is the position of the end part of the first pipeline extending into the emulsion breaking groove.
The working mode of the oil-liquid separation device is as follows:
the first adjusting piece 62 moves upwards, for example, the first adjusting piece 62 is rotated in the opposite direction, and the position of the top end opening is higher than the first overflow port 22;
the waste liquid enters the emulsion breaking groove 11 through the liquid inlet 14, and the liquid inlet amount is not higher than the volume of the emulsion breaking groove 11; the heating unit 12 and the microbubble generating unit 13 work, the waste liquid is demulsified in the demulsification tank 11, oil and liquid are separated, and the oil content of part of liquid between the demulsification tank 11 and the separation tank 21 is higher;
the waste liquid enters the emulsion breaking groove 11 again through the liquid inlet 14, the liquid inlet amount is smaller than the volume of the emulsion breaking groove 11, such as only one eighth or one tenth of the volume, the part of the waste liquid is only used for replacing the liquid which is already broken in the emulsion breaking groove with the waste liquid which is not broken, so that the liquid with higher oil content at the upper part of the emulsion breaking groove passes through the first overflow port 22 and enters the separation groove 21;
the first adjusting piece 62 moves downwards, if the first adjusting piece is rotated in the positive direction, the position of the top end opening and the top end position of the first pipeline are both lower than the first overflow port 22, and the liquid at the lower part of the emulsion breaking tank enters the collecting tank 81 through the first pipeline; the liquid at the bottom of the collecting tank is discharged to the degreasing tank through a pipeline 91 and a liquid return pump 92, and on the other hand, the liquid to be treated in the degreasing tank enters the device for circular treatment;
the liquid is layered in the separation tank 21, the oil floats on the upper layer, and the clean liquid is in the lower layer;
the second adjusting member 61 moves upwards, and if the second adjusting member is rotated in the opposite direction, the top end opening is higher than the oil drain port 41;
the oil layer in the separation tank 21 passes through the second overflow port 23 and enters the oil collecting tank 31; a small amount of waste liquid in the oil collecting tank 31 is positioned at the lower layer, oil in the waste liquid floats upwards, oil drops grow after passing through the through holes on the plate 34 layer by layer, and finally, the oil drops are gathered at the upper layer; simultaneously, the particulate matter sinks; the oil is discharged out of the sump through the oil discharge port 61.
The second adjusting piece 61 moves downwards, if the second adjusting piece is rotated in the positive direction, the position of the top end opening is lower than the oil drain port 41;
the clean liquid at the lower part of the oil collecting tank 31 enters the collecting tank 81 through the second pipeline 51;
the thickness of the oil in the oil collecting tank 31 is observed through the window piece 33, and after the oil reaches a certain thickness, the oil is manually discharged into the waste oil barrel 43 through the valve switch at the oil outlet 41.
Example 3:
according to the utility model discloses oil-water separator's application example with flow control function, different with embodiment 2 is:
1. the first adjusting piece and the second adjusting piece are of tubular structures with closed upper ends and open lower ends; there is an opening in the vertical sidewall.
2. The separation tank and the oil collection tank are arranged outside the container, the height of the shared side wall or the contacted side wall of the demulsification tank and the separation tank is lower than that of other side walls, namely the shared side wall or the contacted side wall is used as a first overflow port;
the side wall common to the oil sump and the separating sump or the side wall in contact therewith has an opening as a second overflow opening.
Claims (10)
1. An oil-water separation device with a flow adjusting function comprises a demulsification tank; the method is characterized in that: the oil-water separation device with the flow rate adjusting function further comprises:
the liquid in the demulsification tank overflows into the separation tank;
the oil collecting tank is used for overflowing the oil on the upper layer in the separation tank into the oil collecting tank;
a collection tank for receiving liquid from a lower portion of the emulsion breaker;
the first pipeline is used for communicating the demulsification tank with the collection tank, and the second pipeline is used for communicating the oil collection tank with the collection tank;
the demulsification tank is arranged in the separation tank, and comprises a first pipeline, a first adjusting piece, a second pipeline and a second adjusting piece, wherein the first adjusting piece is arranged on the first pipeline in the collection tank, the highest position of an opening of the first adjusting piece which moves up and down is higher than the top end position of the first pipeline and higher than the height of a first overflow port between the demulsification tank and the separation tank, and the lowest position and the top end position are both lower than the height of the first overflow port;
the second adjusting piece is arranged on a second pipeline in the collecting tank, the highest position of an opening of the second adjusting piece which moves up and down is higher than the top end position of the second pipeline and lower than the height of a second overflow port between the oil collecting tank and the separating tank, and the lowest position and the top end position of the second pipeline are both lower than the height of an oil discharging port in the oil collecting tank; the second overflow port is lower than the first overflow port, and the height of the oil discharge port is lower than that of the second overflow port.
2. The oil-water separator with a flow rate adjustment function according to claim 1, characterized in that: the sectional area of the upper part of the demulsification tank is smaller than that of the lower part of the demulsification tank.
3. The oil-water separator with a flow rate adjustment function according to claim 1, characterized in that: the first adjusting piece and/or the second adjusting piece are of cylindrical structures and are fixed on the pipeline through threads.
4. The oil-water separator with a flow rate adjustment function according to claim 3, characterized in that: the upper end opening or vertical side wall of the first adjusting piece and/or the second adjusting piece is provided with an opening, and the lower end and the pipeline are kept sealed.
5. The oil-water separator with a flow rate adjustment function according to claim 1, characterized in that: and a heating unit and a bubble generating unit are arranged in the demulsification tank.
6. The oil-water separator with a flow rate adjustment function according to claim 1, characterized in that: the distance between the position of the liquid inlet of the demulsification tank and the position of the communication point is larger than half of the width of the demulsification tank, and the communication point is the position of the end part of the first pipeline extending into the demulsification tank.
7. The oil-water separator with a flow rate adjustment function according to claim 1, characterized in that: the side walls of the oil sump have viewing windows adapted to transmit visible light.
8. The oil-water separator with a flow rate adjustment function according to claim 1, characterized in that: the oil-water separation device further comprises:
and the cooling unit is used for reducing the temperature of the oil on the upper layer of the oil collecting tank.
9. The oil-water separator with a flow rate adjustment function according to claim 1, characterized in that: the oil collecting groove is internally provided with obliquely arranged plates, the plates are provided with through holes, and the through holes between each two plates are arranged in a staggered mode.
10. The oil-water separator with a flow rate adjustment function according to claim 1, characterized in that: the demulsification tank and the collecting tank are arranged in the container, the oil collecting tank is arranged at the upper part in the collecting tank, and the separation tank is arranged in the demulsification tank.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020229608.2U CN212347807U (en) | 2020-02-29 | 2020-02-29 | Oil-water separation device with flow adjusting function |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202020229608.2U CN212347807U (en) | 2020-02-29 | 2020-02-29 | Oil-water separation device with flow adjusting function |
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| CN212347807U true CN212347807U (en) | 2021-01-15 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114504845A (en) * | 2021-09-14 | 2022-05-17 | 珠海三锐精工科技有限公司 | Oil-water separator |
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2020
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114504845A (en) * | 2021-09-14 | 2022-05-17 | 珠海三锐精工科技有限公司 | Oil-water separator |
| CN114504845B (en) * | 2021-09-14 | 2023-11-10 | 珠海三锐精工科技有限公司 | Oil-water separator |
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