CN117771746A - Separating equipment for mixed liquids with different densities - Google Patents
Separating equipment for mixed liquids with different densities Download PDFInfo
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- CN117771746A CN117771746A CN202410123737.6A CN202410123737A CN117771746A CN 117771746 A CN117771746 A CN 117771746A CN 202410123737 A CN202410123737 A CN 202410123737A CN 117771746 A CN117771746 A CN 117771746A
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- liquid separation
- coalescer
- cylinder
- separation bag
- different densities
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- 239000007788 liquid Substances 0.000 title claims abstract description 118
- 238000000926 separation method Methods 0.000 claims abstract description 103
- 239000003921 oil Substances 0.000 claims abstract description 35
- 239000000295 fuel oil Substances 0.000 claims abstract description 29
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 28
- 239000011280 coal tar Substances 0.000 claims abstract description 20
- 238000007789 sealing Methods 0.000 claims description 8
- 230000000694 effects Effects 0.000 abstract description 8
- 238000012423 maintenance Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 238000005984 hydrogenation reaction Methods 0.000 description 3
- 230000006978 adaptation Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000010079 rubber tapping Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000003044 adaptive effect Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000011418 maintenance treatment Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000012958 reprocessing Methods 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 238000011282 treatment Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The invention relates to the technical field of liquid separation equipment, and provides separation equipment for mixed liquids with different densities, which comprises the following components: a barrel having an inlet and an outlet; a first coalescer disposed within the cartridge; the first liquid separation bag is arranged at the bottom of the cylinder body, and an interface between the first liquid separation bag and the cylinder body is positioned at the downstream of the first coalescer; the second liquid separation package is arranged at the top of the cylinder body, and an interface between the second liquid separation package and the cylinder body is positioned at the downstream of the first coalescer. According to the separation equipment for mixed liquids with different densities, the second liquid separation package is arranged at the top of the barrel, after coal tar to be separated enters the barrel through the inlet, the coal tar to be separated is converted into the light oil layer, the water layer and the heavy oil layer after flowing through the first coalescer, the light oil layer is discharged through the second liquid separation package, the water layer is discharged through the outlet, and the heavy oil layer is discharged through the first liquid separation package, so that a small amount of light oil in the coal tar can be separated, and the separation effect is better.
Description
Technical Field
The invention relates to the technical field of liquid separation equipment, in particular to separation equipment for mixed liquids with different densities.
Background
At present, the coal tar hydrogenation has a fixed bed process, a suspension bed process, a boiling bed process and other process technologies, and water, light oil and heavy oil in the coal tar are required to be separated in any technology. The separated oily sewage is further deoiled and then treated by a decontaminated water treatment system, the light oil is removed from a coal tar fixed bed hydrogenation device, and the heavy oil is removed from a ebullated bed or suspended bed hydrogenation device for processing. The conventional liquid separation equipment comprises a cylinder body and a liquid separation bag arranged at the bottom of the cylinder body, wherein a coalescer is arranged in the cylinder body, mixed liquid to be separated is converted into liquid layers with different densities under the action of the coalescer after entering the cylinder body, heavy oil layers with higher densities are discharged through the liquid separation bag at the bottom, and water layers with lower densities are discharged through the cylinder body, so that separation of liquids with different densities is realized. However, coal tar contains a small amount of light oil, and it is difficult to separate a light oil layer from a water layer using conventional separation equipment, and the separation effect is not ideal.
Disclosure of Invention
Therefore, the invention aims to solve the technical problems that the coal tar contains a small amount of light oil, the light oil layer and the water layer are difficult to separate by using the existing separation equipment, and the separation effect is not ideal, so that the separation equipment for mixing liquids with different densities is provided.
In order to solve the technical problems, the technical scheme of the invention is as follows:
the invention provides a separation device for mixed liquids with different densities, comprising: a barrel having an inlet and an outlet; a first coalescer disposed within the cartridge; the first liquid separation bag is arranged at the bottom of the cylinder body, and an interface between the first liquid separation bag and the cylinder body is positioned at the downstream of the first coalescer; the second liquid separation bag is arranged at the top of the cylinder body, and an interface between the second liquid separation bag and the cylinder body is positioned at the downstream of the first coalescer; the coal tar to be separated enters the cylinder body through the inlet, flows through the first coalescer and is then converted into a light oil layer, a water layer and a heavy oil layer, the light oil layer is discharged through the second liquid separation bag, the water layer is discharged through the outlet, and the heavy oil layer is discharged through the first liquid separation bag.
Further, a plurality of first coalescers are arranged at intervals along the axial direction of the cylinder body, and the first liquid separation package and the second liquid separation package are arranged between every two adjacent first coalescers on the cylinder body in an adaptive mode.
Further, a second coalescer is arranged in the first liquid separation bag, and a heavy oil discharge outlet of the first liquid separation bag is positioned downstream of the second coalescer.
Further, a third coalescer is arranged in the second liquid separation bag, and a light oil outlet of the second liquid separation bag is positioned at the downstream of the third coalescer.
Further, the sealing head of the first liquid separation bag is detachably installed at the end part of the first liquid separation bag far away from the cylinder body by adopting a flange.
Further, the sealing head of the second liquid separation bag is detachably arranged at the end part of the second liquid separation bag far away from the cylinder body by adopting a flange.
Further, the sealing heads at the two ends of the cylinder body are detachably arranged on the cylinder body through flanges.
Further, the first liquid separation bag, the second liquid separation bag and the cylinder are all provided with a limit gauge.
Further, a swirl preventer is arranged at the outlet.
Further, the inlet is located at the top of the barrel and the outlet is located at the bottom of the barrel.
The technical scheme of the invention has the following advantages:
according to the separation equipment for mixed liquids with different densities, the second liquid separation package is arranged at the top of the barrel, after coal tar to be separated enters the barrel through the inlet, the coal tar to be separated is converted into the light oil layer, the water layer and the heavy oil layer after flowing through the first coalescer, the light oil layer is discharged through the second liquid separation package, the water layer is discharged through the outlet, and the heavy oil layer is discharged through the first liquid separation package, so that a small amount of light oil in the coal tar can be separated, and the separation effect is better.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present invention, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a separation apparatus for mixing liquids of different densities in an embodiment of the invention.
1. A cylinder; 2. an inlet; 3. an outlet; 4. a first coalescer; 5. a first liquid separation bag; 6. a second liquid separation bag; 7. a second dimmer; 8. a third sealer; 9. a heavy oil discharge port; 10. a light oil outlet; 11. and an interface gauge.
Detailed Description
The following description of the embodiments of the present invention will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the invention are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the description of the present invention, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
In addition, the technical features of the different embodiments of the present invention described below may be combined with each other as long as they do not collide with each other.
As shown in fig. 1, the present embodiment provides a separation apparatus for mixing liquids of different densities, comprising: the barrel 1 is hollow, the barrel 1 is provided with an inlet 2 and an outlet 3, the inlet 2 is used for feeding liquid, and the outlet 3 is used for discharging a water layer. When the device is used, the cylinder 1 can be placed horizontally, at this time, the inlet 2 can be positioned at the left side of the cylinder 1 and arranged at the top, and the outlet 3 can be positioned at the right side of the cylinder 1 and arranged at the bottom.
A first coalescer 4 is arranged in the cylinder 1, the first coalescer 4 being adapted to the flow area setting of the cylinder 1 such that all coal tar to be separated passes the first coalescer 4 before reaching downstream. The first coalescer 4 is an existing component, and is mainly aimed at layering the mixed liquid which is originally doped together, so that the subsequent separation is facilitated.
The first liquid separation bag 5 is arranged at the bottom of the cylinder 1, and an interface between the first liquid separation bag 5 and the cylinder 1 is positioned downstream of the first coalescer 4.
A second tapping bag 6 is arranged on top of the cylinder 1, and the interface between the second tapping bag 6 and the cylinder 1 is located downstream of the first coalescer 4. Wherein, first divides liquid package 5 and second to divide liquid package 6 all can be tubular structure, and inside cavity can hold liquid. The first liquid separation bag 5 and the second liquid separation bag 6 can be connected with the cylinder body 1 in a welding or screwing mode.
When in use, coal tar to be separated enters the cylinder 1 through the inlet 2, flows through the first coalescer 4 and is converted into a light oil layer, a water layer and a heavy oil layer, the light oil layer is discharged through the second liquid separation bag 6, the water layer is discharged through the outlet 3, and the heavy oil layer is discharged through the first liquid separation bag 5. Of course, the separation device for mixing liquids of different densities should also comprise the necessary piping and valve bodies, which are known to those skilled in the art, and will not be described in detail herein. Of course, the mixed liquids with different densities separated in the application are not limited to coal tar, and can be used for separating other mixed liquids with different densities. Of course, the number, type, size, etc. of the first coalescer 4 may be dependent on the desired separation of the mixed liquor.
According to the separating device for mixed liquids with different densities, the second liquid separation bag 6 is arranged at the top of the barrel body 1, after coal tar to be separated enters the barrel body 1 through the inlet 2, the coal tar to be separated is converted into a low-density light oil layer, a medium-density water layer and a high-density heavy oil layer after flowing through the first coalescer 4, the light oil layer is discharged through the second liquid separation bag 6, the water layer is discharged through the outlet 3, and the heavy oil layer is discharged through the first liquid separation bag 5, so that a small amount of light oil in the coal tar can be separated, and the separating effect is better.
Wherein, along the axial direction of barrel 1 the interval is provided with a plurality of first coalescers 4, and every adjacent two on the barrel 1 between the first coalescers 4 all adapt to be provided with first branch liquid package 5 and second branch liquid package 6. For example, four first coalescers 4 may be arranged at intervals in the cylinder 1, in which case three second liquid separation packages 6 are correspondingly arranged in an adaptation manner at the top of the cylinder 1, and three first liquid separation packages 5 are arranged in an adaptation manner at the bottom of the cylinder 1. By the arrangement, coal tar can be separated in multiple stages, and the separation effect and efficiency are improved.
Wherein a second coalescer 7 is arranged in the first liquid separation package 5, and a heavy oil discharge outlet 9 of the first liquid separation package 5 is positioned downstream of the second coalescer 7. For example, the heavy oil drain 9 may be located at the bottom of the first liquid separation package 5. The second coalescer 7 functions similarly to the first coalescer 4, and is aimed at reprocessing the heavy oil layer entering the first separator bag 5, so as to further separate the water in the heavy oil layer, thereby reducing the water content of the heavy oil layer and improving the separation effect.
Wherein, the second liquid separation package 6 is internally provided with a third coalescer 8, and the light oil outlet 10 of the second liquid separation package 6 is positioned at the downstream of the third coalescer 8. For example, the light oil discharge port 10 may be located at the top of the second separator bag 6. Similarly, the third coalescer 8 has a similar function to the first coalescer 4, and is aimed at treating the light oil layer entering the second separator 6 again, so as to further separate the water in the light oil layer, thereby reducing the water content of the light oil layer and improving the separation effect.
Wherein, the head of first branch liquid package 5 adopts flange detachably to install the tip that barrel 1 was kept away from at first branch liquid package 5, so sets up, when needs carry out maintenance to the second coalescer 7 in the first branch liquid package 5, can twist the bolt on the flange, takes off the head, reduces the degree of difficulty of maintenance.
Wherein, the head of second divides liquid package 6 adopts flange detachably to install the tip that barrel 1 was kept away from at second divides liquid package 6, so sets up, when need carry out maintenance treatment to the third coalescer 8 in the second divides liquid package 6, can twist the bolt on the flange, takes off the head, reduces the degree of difficulty of maintenance.
The sealing heads at the two ends of the cylinder body 1 are detachably arranged on the cylinder body 1 through flanges, so that when the first coalescer 4 in the cylinder body 1 needs to be maintained, bolts on the flanges can be screwed, the sealing heads are taken down, and maintenance difficulty is reduced.
Wherein, all be provided with the boundary position meter 11 on first branch liquid package 5, second branch liquid package 6 and the barrel 1. Taking the first liquid separation bag 5 as an example, the interfacial level meter 11 arranged on the first liquid separation bag 5 can be convenient for observing the interfacial information of the heavy oil layer and the water layer in the first liquid separation bag, so that water is not released when heavy oil is released through the heavy oil outlet 9. Similarly, the interfacial level meter 11 provided on the second liquid separation bag 6 can facilitate observation of interfacial information between the light oil layer and the water layer therein, so that water is not released when the light oil is released through the light oil outlet 10. Similarly, the interfacial level meter 11 arranged on the cylinder 1 can be convenient for observing the interfacial information of the heavy oil layer, the light oil layer and the water layer in the cylinder, so that the light oil and the heavy oil are not released when the water layer is released through the outlet 3. Finally, the liquid released by each outlet 3 is ensured to be the liquid with the same density, and the purity of the separated product is improved.
Wherein, the outlet 3 is provided with a cyclone preventer, for example, the outlet 3 of the cylinder 1 can be a channel for communicating the inside and the outside of the cylinder 1, and the cyclone preventer is arranged on the inner wall of the channel to prevent forming cyclone or vortex when releasing liquid, and can not cause disturbance to the liquid of the cylinder 1 to prevent light oil or heavy oil from being released.
It is apparent that the above examples are given by way of illustration only and are not limiting of the embodiments. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. While still being apparent from variations or modifications that may be made by those skilled in the art are within the scope of the invention.
Claims (9)
1. A separation apparatus for mixing liquids of different densities, comprising:
a cylinder (1), the cylinder (1) having an inlet (2) and an outlet (3);
a first coalescer (4) disposed within the cylinder (1);
a first liquid separation bag (5) is arranged at the bottom of the cylinder (1), and an interface between the first liquid separation bag (5) and the cylinder (1) is positioned at the downstream of the first coalescer (4);
a second liquid separation bag (6) arranged at the top of the cylinder (1), and an interface between the second liquid separation bag (6) and the cylinder (1) is positioned at the downstream of the first coalescer (4);
the coal tar to be separated enters the cylinder (1) through the inlet (2), flows through the first coalescer (4) and is then converted into a light oil layer, a water layer and a heavy oil layer, wherein the light oil layer is discharged through the second liquid separation package (6), the water layer is discharged through the outlet (3), and the heavy oil layer is discharged through the first liquid separation package (5);
the inlet (2) is positioned at the top of the cylinder (1), and the outlet (3) is positioned at the bottom of the cylinder (1).
2. The separation device for mixed liquids of different densities according to claim 1, characterized in that,
a plurality of first coalescers (4) are arranged at intervals along the axial direction of the cylinder body (1), and a first liquid separation bag (5) and a second liquid separation bag (6) are arranged between every two adjacent first coalescers (4) on the cylinder body (1) in an adapting mode.
3. The separation device for mixed liquids of different densities according to claim 1 or 2, characterized in that,
a second coalescer (7) is arranged in the first liquid separation bag (5), and a heavy oil discharge outlet (9) of the first liquid separation bag (5) is positioned at the downstream of the second coalescer (7).
4. The separation device for mixed liquids of different densities according to claim 1 or 2, characterized in that,
a third coalescer (8) is arranged in the second liquid separation bag (6), and a light oil outlet (10) of the second liquid separation bag (6) is positioned at the downstream of the third coalescer (8).
5. The separation device for mixed liquids of different densities according to claim 1, characterized in that,
the sealing head of the first liquid separation bag (5) is detachably arranged at the end part of the first liquid separation bag (5) far away from the cylinder body (1) by adopting a flange.
6. The separation device for mixed liquids of different densities according to claim 1, characterized in that,
the sealing head of the second liquid separation bag (6) is detachably arranged at the end part of the second liquid separation bag (6) far away from the cylinder body (1) by adopting a flange.
7. The separation device for mixed liquids of different densities according to claim 1, characterized in that,
the sealing heads at two ends of the cylinder body (1) are detachably arranged on the cylinder body (1) through flanges.
8. The separation device for mixed liquids of different densities according to claim 1, characterized in that,
the first liquid separation bag (5), the second liquid separation bag (6) and the cylinder body (1) are provided with a limit gauge (11).
9. The separation device for mixed liquids of different densities according to claim 1, characterized in that,
the outlet (3) is provided with a rotational flow preventer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410123737.6A CN117771746A (en) | 2024-01-29 | 2024-01-29 | Separating equipment for mixed liquids with different densities |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410123737.6A CN117771746A (en) | 2024-01-29 | 2024-01-29 | Separating equipment for mixed liquids with different densities |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117771746A true CN117771746A (en) | 2024-03-29 |
Family
ID=90398518
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202410123737.6A Pending CN117771746A (en) | 2024-01-29 | 2024-01-29 | Separating equipment for mixed liquids with different densities |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117771746A (en) |
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2024
- 2024-01-29 CN CN202410123737.6A patent/CN117771746A/en active Pending
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