CN203507613U - Efficient oil-water separation return tank at top of vacuum tower - Google Patents
Efficient oil-water separation return tank at top of vacuum tower Download PDFInfo
- Publication number
- CN203507613U CN203507613U CN201320707322.0U CN201320707322U CN203507613U CN 203507613 U CN203507613 U CN 203507613U CN 201320707322 U CN201320707322 U CN 201320707322U CN 203507613 U CN203507613 U CN 203507613U
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- China
- Prior art keywords
- water
- tank body
- oil
- tank
- vacuum tower
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- Expired - Lifetime
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 58
- 238000000926 separation method Methods 0.000 title abstract description 8
- 239000002994 raw material Substances 0.000 claims description 6
- 239000003054 catalyst Substances 0.000 abstract description 4
- 238000006243 chemical reaction Methods 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000005984 hydrogenation reaction Methods 0.000 abstract description 3
- 239000000463 material Substances 0.000 abstract description 3
- 239000012535 impurity Substances 0.000 abstract description 2
- 239000010865 sewage Substances 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 4
- 238000010992 reflux Methods 0.000 description 2
- 230000003139 buffering effect Effects 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 239000011280 coal tar Substances 0.000 description 1
- 230000006837 decompression Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000004821 distillation Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000011269 tar Substances 0.000 description 1
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Abstract
The utility model relates to a separating device, and particularly relates to an efficient oil-water separation return tank at the top of a vacuum tower. The efficient oil-water separation return tank comprises a tank body, a baffle plate and a water collector, wherein a material inlet is formed at the upper wall of one end of a horizontal tank body; a gas outlet is formed at the upper wall of the other end; at least one baffle plate, the water collector and an oil outlet are sequentially arranged on the tank body from the lower wall of the other end in a radial manner at intervals. The efficient oil-water separation return tank at the top of the vacuum tower disclosed by the utility model is reasonable in structure, and has significant separation effect. The actual production proves that the oil-water separation rate can be up to over 98%; the separated sewage is conveyed to a water treatment plant; reducing oil enters a reaction material tank, and is pressurized into a reactor through a pump to remove impurities in a hydrogenation manner, so that crushing of a catalyst caused by the performance of the catalyst affected by high moisture content of reaction feedstock is avoided, the service life is shortened, and stable production is thoroughly ensured.
Description
Technical field
The utility model relates to a kind of separator, relates in particular to the separated return tank of a kind of Top of Vacuum Tower high efficiency oil-water.
Background technology
In coal chemical technology, in the process that high temperature coal-tar is produced at hydrogenation, because raw tar density is 1.138g/cm
3, its light component is less, and water content is less than 4%.When carrying out decompression distillation, produce and subtract top oil density generally at 0.85-0.96g/cm
3between, press close to the density ratio of water.In reflux, the flow velocity of profit is all than comparatively fast, and position, boundary is fuzzy is difficult to thoroughly separatedly, and then easily causes light oil loss, increased cost consumption.In addition, if operation control is improper in separated process, can cause overhead reflux band water, affect the normal operating of whole technological process.
Summary of the invention
The utility model, for above-mentioned the deficiencies in the prior art, provides a kind of Top of Vacuum Tower high efficiency oil-water separated return tank.
The separated return tank of Top of Vacuum Tower high efficiency oil-water of the present utility model, comprise tank body, deflection plate and water collector, the upper wall that the upper wall of horizontal tank body one end is provided with feed(raw material)inlet, the other end is provided with gas vent, tank body inner bottom part from front to back successively interval be radially provided with at least one deflection plate and water collector and oil export.
As further improvement of the utility model, described deflection plate is that the outer rim of semicircle, the drain port of going to the bottom, its arc combines with inner tank wall bottom cambered surface.
As further improvement of the utility model, that is located at the water collector of tank base rear end and oil export suitable for readingly all has downflow weir I and a downflow weir II highlighting in tank body bottom surface.
As further improvement of the utility model, water collector downflow weir I is the downflow weir I higher than water collector higher than the upper edge of drain port, oil export downflow weir II.
As further improvement of the utility model, its downflow weir I suitable for reading of water collector of being located at tank base is placed in inner tank wall, and the shell portion of water collector is placed in the outside of going to the bottom of tank body.
As further improvement of the utility model, the deflection plate of being located at tank body lower part is equally spaced 1～3.
The separated return tank of the utility model Top of Vacuum Tower high efficiency oil-water, reasonable in design, separating effect are remarkable, and its water-oil separating rate reaches more than 98%, and separated sewage is delivered to water treatment plant; Subtract top oil and enter reaction raw materials tank, then add and be pressed into hydrogenation and removing impurity in reactor through pump, thereby avoid reaction feed because of the high performance that affects catalyst of water content, cause catalyst to pulverize, reduction of service life, thoroughly guarantee production stable operation.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 be the utility model A-A to cutaway view;
Fig. 3 be the utility model B-B to cutaway view.
The specific embodiment
As shown in Figure 1, the separated return tank of Top of Vacuum Tower high efficiency oil-water of the present utility model, comprise tank body 1, deflection plate 2 and water collector 6, the upper wall that upper wall in horizontal tank body 1 one end is provided with feed(raw material)inlet 4, the other end is provided with gas vent 5, tank body 1 inner bottom part from front to back successively interval be radially provided with two deflection plates 2 and water collector 6 and oil export 7.The outer rim that described deflection plate 2 is semicircle, go to the bottom drain port 8, its arc combines with tank body 1 inwall bottom cambered surface, and front endplate camber is 2/5 of return tank diameter, and rear endplate camber is 1/2 of return tank diameter,
That is located at the water collector 6 of tank body 1 rear end, bottom and oil export 7 suitable for readingly all has downflow weir I 3 and a downflow weir II 9 highlighting in tank body 1 bottom surface.Water collector 6 downflow weir I 3 are the downflow weir I 3 higher than water collector 6 higher than the upper edge of drain port 8, oil export 7 downflow weir II 9.
In this device, water collector 6 its downflow weir I 3 suitable for reading of being located at tank body 1 bottom are placed in tank body 1 inwall, and the shell portion of water collector 6 is placed in the outside of going to the bottom of tank body 1.
When separated, mixing subtracts top oil plant and enters tank body from feed(raw material)inlet, flows into the region between deflection plate and feed(raw material)inlet end tank skin.Owing to subtracting, top oil is different with water density, and the low-density top oil float that subtracts is on upper strata, and by deflection plate overflow, to the region subtracting between top oil inflow deflection plate and additional deflection plate, Shui lower floor, flows into this region by the weep hole bottom deflection plate.The preliminary buffering pre-separation of process deflection plate, subtracts top oil separated by additional deflection plate continuation, and isolated water enters water collector by the weep hole of additional deflection plate, subtracts top oil and discharges from oil export.For improving separating effect, water collector and oil export are equipped with downflow weir, and water collector downflow weir is higher than the upper edge of weep hole, and oil export downflow weir is higher than the downflow weir of water collector.This design main because, when mixing subtracts top oil plant and enters tank body, especially during slack tank, mix oil plant and cannot cushion through deflection plate, directly by weep hole, flow into water collector or oil export.Due to Shui lower floor, subtract top oil on upper strata, so the height of setting is to be to be the upper edge of water collector downflow weir higher than weep hole, oil export downflow weir is higher than the downflow weir of water collector.This design can make water-oil separating more abundant, prevents separation mixing material inflow water collector and oil export not fully.Water in water collector and subtract top oil and extracted out by the external pump of pipeline, just can reach preferably separating effect through secondary buffer is separated like this, guarantees that production carries out continuously.
Claims (6)
1. the separated return tank of Top of Vacuum Tower high efficiency oil-water, comprise tank body (1), deflection plate (2) and water collector (6), the upper wall that the upper wall that it is characterized in that horizontal tank body (1) one end is provided with feed(raw material)inlet (4), the other end is provided with gas vent (5), tank body (1) inner bottom part from front to back successively interval be radially provided with at least one deflection plate (2) and water collector (6) and oil export (7).
2. the separated return tank of Top of Vacuum Tower high efficiency oil-water as claimed in claim 1, is characterized in that described deflection plate (2) combines with tank body (1) inwall bottom cambered surface for the outer rim of semicircle, the drain port of going to the bottom (8), its arc.
3. the separated return tank of Top of Vacuum Tower high efficiency oil-water as claimed in claim 1, what it is characterized in that being located at the water collector (6) of rear end, tank body (1) bottom and oil export (7) suitable for readingly all has downflow weir I (3) and a downflow weir II (9) highlighting in tank body (1) bottom surface.
4. the separated return tank of Top of Vacuum Tower high efficiency oil-water as claimed in claim 3, it is characterized in that water collector (6) downflow weir I (3) higher than the upper edge of drain port (8), oil export (7) downflow weir II (9) the downflow weir I (3) higher than water collector (6).
5. the separated return tank of Top of Vacuum Tower high efficiency oil-water as claimed in claim 4, it is characterized in that its downflow weir I suitable for reading (3) of water collector (6) of being located at tank body (1) bottom is placed in tank body (1) inwall, the shell portion of water collector (6) is placed in the outside of going to the bottom of tank body (1).
6. the separated return tank of Top of Vacuum Tower high efficiency oil-water as claimed in claim 1, is characterized in that the deflection plate (2) of being located at tank body (1) bottom is equally spaced 1～3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320707322.0U CN203507613U (en) | 2013-11-09 | 2013-11-09 | Efficient oil-water separation return tank at top of vacuum tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320707322.0U CN203507613U (en) | 2013-11-09 | 2013-11-09 | Efficient oil-water separation return tank at top of vacuum tower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203507613U true CN203507613U (en) | 2014-04-02 |
Family
ID=50366598
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320707322.0U Expired - Lifetime CN203507613U (en) | 2013-11-09 | 2013-11-09 | Efficient oil-water separation return tank at top of vacuum tower |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203507613U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103566628A (en) * | 2013-11-09 | 2014-02-12 | 七台河宝泰隆圣迈煤化工有限责任公司 | Efficient oil-water separation backflow tank at pressure reducing tower top |
-
2013
- 2013-11-09 CN CN201320707322.0U patent/CN203507613U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103566628A (en) * | 2013-11-09 | 2014-02-12 | 七台河宝泰隆圣迈煤化工有限责任公司 | Efficient oil-water separation backflow tank at pressure reducing tower top |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140402 |
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| CX01 | Expiry of patent term |