CN213865492U - Oil-water separation equipment - Google Patents
Oil-water separation equipment Download PDFInfo
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- CN213865492U CN213865492U CN202022627367.XU CN202022627367U CN213865492U CN 213865492 U CN213865492 U CN 213865492U CN 202022627367 U CN202022627367 U CN 202022627367U CN 213865492 U CN213865492 U CN 213865492U
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Abstract
The utility model discloses an oil-water separation equipment, include: the top of the tank body is provided with a liquid inlet and an oil outlet, and the bottom of the tank body is provided with a water outlet and a back flushing port; the oil drain port is positioned above the liquid inlet; a separation bed disposed in the tank; the backwashing component is arranged in the tank body in a vertically sliding manner and is positioned below the separation bed, and a water flow channel for supplying water to flow towards the water outlet in one direction is arranged on the backwashing component; the compressible filter layer is used for adsorbing oil contained in water and is arranged between the separation bed and the backwashing component. The operation cost is reduced, and the recovery utilization rate of oil is improved.
Description
Technical Field
The utility model relates to the technical field of machinery, especially, relate to an oil-water separation equipment.
Background
The oil-water mixture has wide sources, and a large amount of oil-water mixture is produced in the production process in the fields of oil fields, steel mills, oil refineries, chemical plants and the like. In order to sufficiently recover and utilize the oil in the oil-water mixture, an oil-water separator is generally used for separation. For example: chinese patent No. 201510548670.1 discloses an embedded oil-water separator, when in use, an oil-water mixture enters the separator and is treated by a separation bed, so that oil molecules in the mixture are separated from water and are gathered together to float upwards, and the purpose of oil-water separation is achieved. In the above scheme, a small amount of oil remains in the outputted water, and therefore, in the oil-water separator disclosed in chinese patent No. 201921796736.9, an activated carbon filter layer is added outside the water output head after oil-water separation to further absorb oil molecules in the water. However, as the service life increases, the activated carbon filter layer will be blocked by oil molecules, and then the activated carbon filter layer needs to be replaced regularly, so that the service cost increases, and on the other hand, part of oil is adsorbed in the activated carbon, so that the oil is wasted and cannot be recycled. Therefore, how to design a technology that the running cost is low and the oil recovery rate is high is the utility model aims to solve the technical problem.
SUMMERY OF THE UTILITY MODEL
The utility model provides an oil-water separation equipment realizes reducing the operation to improve the recycle ratio of oil.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides an oil-water separation equipment, include:
the top of the tank body is provided with a liquid inlet and an oil outlet, and the bottom of the tank body is provided with a water outlet and a back flushing port; the oil drain port is positioned above the liquid inlet;
a separation bed disposed in the tank;
the backwashing component is arranged in the tank body in a vertically sliding manner and is positioned below the separation bed, and a water flow channel for supplying water to flow towards the water outlet in one direction is arranged on the backwashing component;
the compressible filter layer is used for adsorbing oil contained in water and is arranged between the separation bed and the backwashing component.
Furthermore, the back washing assembly comprises a first supporting plate, a second supporting plate and a supporting frame; wherein the support frame is disposed between the first support plate and the second support plate; the water flow channel is formed between the first water outlet and the second water outlet.
Furthermore, a one-way valve is arranged on the first water outlet or the second water outlet.
Furthermore, the back washing assembly further comprises a connecting water pipe, and the connecting water pipe is connected between the corresponding first water outlet and the corresponding second water outlet.
Furthermore, a one-way valve is arranged on the connecting water pipe.
Further, the outer edge of the first supporting plate and/or the second supporting plate is/are provided with a sealing ring, and the sealing ring is used for sealing a connecting area formed between the backwashing component and the inner wall of the tank body; and/or a sealing gasket is arranged between the first supporting plate and the second supporting plate and used for sealing a connecting area formed between the backwashing component and the inner wall of the tank body.
Furthermore, the backwashing component is provided with a plurality of water permeable gaps which are used for communicating two cavities separated by the backwashing component in the tank body.
Furthermore, a limiting part is further arranged in the tank body, and the limiting part is located below the backwashing component and used for limiting the backwashing component.
Further, still include aeration components, aeration components includes intake pipe and aeration pipe, the intake pipe with the aeration pipe is connected, the aeration pipe set up in the jar body and be located the below of back flush subassembly.
Furthermore, the water outlet and the back washing port are the same opening arranged at the bottom of the tank body.
The technical scheme of the utility model prior art relatively has following technological effect: by adding the backwashing component and the compressible filter layer in the tank body, before water separated and treated by the separation bed is output through the water outlet, the water is subjected to filtering treatment by the compressible filter layer, so that the high requirement on the cleanliness of the outlet water is met, and the filtered water flows to the water outlet through the water flow channel of the backwashing component and is finally output to the outside of the tank body; meanwhile, the compressible filter layer continuously adheres oil molecules in the filtering process, after the filter is used for a period of time, water can be injected to the bottom of the tank body through the back flushing port to drive the back flushing assembly to move upwards and compress the compressible filter layer, the compressible filter layer is compressed, oil molecules adsorbed in the compressible filter layer are extruded and gathered together and then float upwards and output, on one hand, the compressible filter layer is extruded and cleaned, on the other hand, oil in the compressible filter layer can be fully recovered, on the other hand, the active carbon filter layer does not need to be frequently replaced, the operation is reduced, and the recovery rate of the oil is improved.
Drawings
FIG. 1 is a schematic structural view of an oil-water separation apparatus according to the present invention;
FIG. 2 is a second schematic structural view of the oil-water separation apparatus of the present invention;
FIG. 3 is a schematic structural view of a back washing assembly in the oil-water separation device of the present invention;
fig. 4 is a sectional view of the back washing component in the oil-water separation device of the utility model.
Detailed Description
As shown in fig. 1-2, the utility model provides an oil-water separation equipment, include:
the device comprises a tank body 1, wherein the top of the tank body is provided with a liquid inlet 11 and an oil outlet 12, and the bottom of the tank body is provided with a water outlet 13 and a back flush port (not shown);
a separation bed 2 disposed in the tank;
the backwashing component 3 is arranged in the tank body in a vertically sliding mode and is positioned below the separation bed, and a water flow channel 300 for supplying water to flow towards the water outlet in one direction is arranged on the backwashing component;
a compressible filter layer 4 for adsorbing oil contained in the water, the compressible filter layer being disposed between the separation bed and the backwash assembly.
Specifically, in the actual use process, the oil-water mixture enters the top of the tank body through the liquid inlet, and the mixture entering the tank body flows to the separation bed below. The separating bed is transversely arranged in the tank body, and after the mixture passes through the separating bed, water and oil are separated from each other under the separating action of the separating bed, and meanwhile, the separated oil is combined with each other to form larger oil drops. The specific gravity of oil drops is lighter than water, and then make oil drops can rise fast and form the oil storage area at the top of the jar body, wherein, relevant the mode of separating the oil water of separating bed can refer to the structural configuration in the conventional oil-water separator, does not do the restriction here and gives unnecessary details. In addition, for the compressible filter layer 4, a sponge body such as an oil absorption sponge, or a hydrophobic oleophilic Polydimethylsiloxane (PDMS) elastic skeleton material with a three-dimensional porous structure may be adopted, and no limitation or description is given here.
And the water separated by the separation bed also contains a small amount of oil, the water continuously flows downwards to the compressible filter layer, the oil contained in the water is adsorbed by the compressible filter layer after the water is filtered by the compressible filter layer, and finally, the water flows to the bottom of the tank body through the water flow channel on the backwashing component and is discharged to the outside of the tank body from the water discharge port.
And as the service time increases, the oil quantity absorbed in the compressible filter layer is increased, and the oil absorption capacity of the compressible filter layer is gradually reduced. At the moment, the compressible filter layer needs to be extruded through the backwashing component, water is injected into the bottom of the tank body through the backwashing port, and the water pressure at the bottom of the tank body is gradually increased and drives the backwashing component to move upwards due to the unidirectional design of the water flow channel of the backwashing component. As shown in fig. 2, the backwash assembly during movement will squeeze the compressible filter layers such that the compressible filter layers are sandwiched between the backwash assembly and the separation bed, thereby squeezing out the oil in the compressible filter layers. And because a large amount of oil-water mixture still exists above the backwashing assembly, the extruded oil floats to the top of the tank body. And after the back washing port is decompressed or the water outlet is opened, the back washing component gradually descends, the compressible filter layer gradually expands after releasing pressure, and in the expansion process, the compressible filter layer adsorbs a large amount of water and a small amount of oil, so that the compressible filter layer recovers the filtering capacity again.
Wherein, in order to improve oil-water separation's effect, then the multilayer has been arranged from top to bottom to the jar body the separating bed to arrange the three-layer in figure 1 as the example, the oil-water mixture can make the effectual separation of profit after the three-layer separation is handled, with the improvement treatment effeciency. Meanwhile, a water distributor 111 may be further disposed on the liquid inlet, and the water distributor is transversely disposed above the separation bed to uniformly distribute an oil-water mixture to the separation bed below through the water distributor 131, so as to improve oil-water separation efficiency.
In addition, in order to facilitate control of discharging the oil accumulated at the top of the tank, a mounting port 14 may be further provided at the top of the tank, and a level meter (not shown) may be provided in the mounting port, and specifically, the level meter may detect an oil amount stored at the top of the tank, and when the oil amount reaches a discharge standard, the oil discharge port may be opened to discharge the oil to the outside. And the oil outlet is positioned above the liquid inlet so as to facilitate the output of oil and reduce the interference related to the entering mixture.
Meanwhile, according to the requirement, the bottom of the tank body can be respectively provided with an independent water outlet 13 and a back flush port, and in order to facilitate the connection of pipelines, the water outlet and the back flush port are the same port, namely, one port is arranged at the bottom of the tank body to simultaneously meet the use requirements of the water outlet 13 and the back flush port.
Furthermore, the entity of the back washing assembly is that, in order to satisfy the requirement that the back washing assembly slides up and down in the tank body stably, the back washing assembly comprises a first support plate 31, a second support plate 32 and a support frame 33; wherein the support frame is disposed between the first support plate and the second support plate; the water flow channel is formed between the first water outlet and the second water outlet. Specifically, the first support plate and the second support plate are connected together through the support frame, so that the backwashing component has enough width, and the requirement that the backwashing component slides up and down in the tank body stably is met. And the support frame can adopt the grid structure to under the condition that satisfies structural strength requirement, effectual weight reduction.
In order to meet the requirement of unidirectional water flow of the water flow channel, a check valve 30 may be disposed on the first water outlet or the second water outlet. Preferably, the back washing assembly further comprises a connecting water pipe 34 connected between the corresponding first water outlet and the second water outlet. Specifically, the water above is delivered to the lower space of the tank body through the connecting water pipe, and the connecting water pipe is provided with a one-way valve to realize the purpose.
Further, in order to improve the sealing strength between the backwash assembly and the inner wall of the tank body, a sealing ring (not shown) is disposed at an outer edge of the first support plate and/or the second support plate, and the sealing ring is used for sealing a connection region formed between the backwash assembly and the inner wall of the tank body; and/or a sealing gasket (not shown) is arranged between the first supporting plate and the second supporting plate and used for sealing a connecting area formed between the backwashing assembly and the inner wall of the tank body. Take the first backup pad with the second backup pad outward flange is provided with the sealing washer as the example, the sealing washer can paste and lean on the inner wall of the jar body, and then plays effectively sealed effect.
Furthermore, in order to clean the compressible filter layer 4 more effectively from adhering oil, the backwash assembly is provided with a plurality of water-permeable slits 35 for communicating the two chambers separated by the backwash assembly in the tank. Specifically, in the process that the backwashing assembly is driven by the water pressure at the bottom of the tank body to move upwards to extrude the compressible filter layer, the water at the bottom of the tank body can flow into the compressible filter layer through the water permeable gaps 35, and then the effect of flushing the compressible filter layer is achieved. Meanwhile, due to the small size of the water permeable gap 35, the cavity below the backwashing component has enough water pressure to drive the backwashing component to move upwards. More importantly, because the size of the water permeable gap 35 is small, under the action of high-pressure water pressure, the water flow speed sprayed out from the water permeable gap 35 is high, and then the compressible filter layer can be cleaned more efficiently and thoroughly, and further the cleaning efficiency is improved.
For the position of the backwashing component, the position of the backwashing component can be limited by further arranging a limiting member 15 in the tank body, specifically, the limiting member is located below the backwashing component and used for limiting the backwashing component, and the limiting member can limit the bottom of the backwashing component in a circular ring manner.
Still further, the oil-water separation equipment also comprises an aeration component 5, wherein the aeration component comprises an air inlet pipe 51 and an aeration pipe 52, the air inlet pipe is connected with the aeration pipe, and the aeration pipe is arranged in the tank body and is positioned below the backwashing component. Specifically, in the process of extrusion backwashing of the compressible filter layer by the backwashing component 3, gas is introduced into the gas inlet pipe 51, the gas is uniformly released to the bottom of the tank body through the aeration pipe 52, and the gas enters the compressible filter layer through the water permeable gap, so that the oil adhered to the compressible filter layer is impacted and scattered by the gas, and the compressible filter layer is cleaned more thoroughly and effectively.
The above is only a specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. An oil-water separation apparatus, comprising:
the top of the tank body is provided with a liquid inlet and an oil outlet, and the bottom of the tank body is provided with a water outlet and a back flushing port; the oil drain port is positioned above the liquid inlet;
a separation bed disposed in the tank;
the backwashing component is arranged in the tank body in a vertically sliding manner and is positioned below the separation bed, and a water flow channel for supplying water to flow towards the water outlet in one direction is arranged on the backwashing component;
the compressible filter layer is used for adsorbing oil contained in water and is arranged between the separation bed and the backwashing component.
2. The oil-water separation apparatus of claim 1, wherein the backwash assembly comprises a first support plate, a second support plate, and a support frame; wherein the support frame is disposed between the first support plate and the second support plate; the water flow channel is formed between the first water outlet and the second water outlet.
3. The oil-water separator according to claim 2, wherein a check valve is provided at the first water outlet or the second water outlet.
4. The oil-water separation device according to claim 2, wherein the back-washing unit further comprises a connection water pipe connected between the corresponding first water outlet and the second water outlet.
5. The apparatus according to claim 4, wherein a check valve is provided on the connection water pipe.
6. The oil-water separation device according to claim 2, wherein the outer edge of the first support plate and/or the second support plate is provided with a sealing ring for sealing a connection region formed between the backwash assembly and the inner wall of the tank body; and/or a sealing gasket is arranged between the first supporting plate and the second supporting plate and used for sealing a connecting area formed between the backwashing component and the inner wall of the tank body.
7. The oil-water separation device according to any one of claims 1 to 6, wherein the backwash assembly is provided with a plurality of water-permeable slits for communicating two chambers separated by the backwash assembly in the tank.
8. The oil-water separation apparatus of claim 1, wherein a limiting member is further disposed in the tank, and the limiting member is located below the backwashing assembly and is used for limiting the backwashing assembly.
9. The oil-water separation apparatus of claim 1, further comprising an aeration assembly, wherein the aeration assembly comprises an air inlet pipe and an aeration pipe, the air inlet pipe is connected with the aeration pipe, and the aeration pipe is arranged in the tank body and is positioned below the backwashing assembly.
10. The oil-water separation apparatus of claim 1, wherein the drain opening and the backwash opening are the same opening provided in the bottom of the tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022627367.XU CN213865492U (en) | 2020-11-13 | 2020-11-13 | Oil-water separation equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022627367.XU CN213865492U (en) | 2020-11-13 | 2020-11-13 | Oil-water separation equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213865492U true CN213865492U (en) | 2021-08-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022627367.XU Active CN213865492U (en) | 2020-11-13 | 2020-11-13 | Oil-water separation equipment |
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| Country | Link |
|---|---|
| CN (1) | CN213865492U (en) |
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2020
- 2020-11-13 CN CN202022627367.XU patent/CN213865492U/en active Active
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