CN203079917U - Washing device for delayed coking fractionating tower - Google Patents
Washing device for delayed coking fractionating tower Download PDFInfo
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- CN203079917U CN203079917U CN 201320048734 CN201320048734U CN203079917U CN 203079917 U CN203079917 U CN 203079917U CN 201320048734 CN201320048734 CN 201320048734 CN 201320048734 U CN201320048734 U CN 201320048734U CN 203079917 U CN203079917 U CN 203079917U
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- wax oil
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Abstract
The utility model discloses a washing device for a delayed coking fractionating tower to solve the problems that the existing washing devices are poor in washing effects, thus affecting the oil gas fractionating effects. The washing device is provided with a wax oil extraction pipe (2), upper wax oil return pipes (3) and lower wax oil return pipes (4). The delayed coking fractionating tower (12) is provided with trays (8) and a wax oil collecting tank (10), wherein the wax oil extraction pipe is connected with the wax oil collecting tank; outlets of the upper wax oil return pipes are positioned above the first-layer tray from bottom to top above the wax oil collecting tank; outlets of the lower wax oil return pipes are positioned above the first-layer tray from top to bottom below the wax oil collecting tank; nozzle assemblies are arranged at the outlets of the upper wax oil return pipes and the outlets of the lower wax oil return pipes; and each nozzle assembly comprises a ring pipe (7) and at least two atomizing nozzles (1) connected with the ring pipe. The washing device is mainly used for the delayed coking fractionating tower to wash the coke powder carried by the oil gas.
Description
Technical field
The utility model relates to a kind of washing device that is used for delayed coker fractionator in refining of petroleum field.
Background technology
Delayed coking is a kind of residual oil to be converted into the crude oil deep processing technology of gas and light, middle matter distillate and coke through degree of depth thermally splitting, also is one of lot of domestic and foreign Petrochemical Enterprises important means of improving yield of light oil; Have that flow process is simple, adaptability to raw material is strong, technology maturation is reliable, characteristics such as investment and process cost are lower.In delay coking process, generate oil gas from the reaction of delayed coking coke drum and enter delayed coker fractionator and carry out fractionation, obtain products such as gasoline, diesel oil.In delayed coker fractionator, coke powder tends to be carried in the product by oil gas and goes, so that has found a large amount of finely-ground coke (6～25 microns of particle diameters) in the product of some delayed coking units, thereby has increased difficulty to following process.For addressing this problem, existing delayed coker fractionator is provided with washing device, comprises that the wax oil that links to each other with the wax oil oil header extracts pipe out, the part wax oil is turned back to top wax oil return tube on the tower tray of wax oil oil header top, the part wax oil is turned back to bottom wax oil return tube on the tower tray of wax oil oil header below.The wax oil that turns back on the tower tray of wax oil oil header above and below flows downward, and contact with mobile oil gas upwards, heat exchange and wash the coke powder that oil gas carries, but washing effect is very limited.The disclosed delayed coker fractionator washing oil of Chinese patent CN202346969U combination distribution device comprises the spraying layer that is positioned at delayed coker fractionator inside, and spraying layer comprises the inlet pipeline assembled unit, and the inlet pipeline assembled unit comprises nozzle.The shortcoming that this washing device exists is: 1. will have which floor tower tray that delayed coker fractionator is positioned at wax oil oil header below now and remove, and change spray washing into, and influence the fractionating effect of oil gas.2. nozzle is located at the below of wax oil oil header; This regional temperature is higher, and the finely-ground coke that washes away is carried secretly up once more by high-temperature oil gas easily, thereby influences washing effect.
Summary of the invention
The purpose of this utility model provides a kind of washing device that is used for delayed coker fractionator, to solve the problem that the existing existing washing effect of washing device is bad, influence the oil gas fractionating effect.
For addressing the above problem, the technical solution adopted in the utility model is: a kind of washing device that is used for delayed coker fractionator, be provided with wax oil and extract pipe out, top wax oil return tube, bottom wax oil return tube, delayed coker fractionator is provided with tower tray, the wax oil oil header, wax oil is extracted pipe out and is linked to each other with the wax oil oil header, the outlet of top wax oil return tube is positioned at the top of wax oil oil header top the first layer tower tray from bottom to top, the outlet of bottom wax oil return tube is positioned at the top of the top-down the first layer tower tray in wax oil oil header below, it is characterized in that: the outlet of the outlet of top wax oil return tube and bottom wax oil return tube is equipped with nozzle component, each nozzle component is made up of with 2 atomizers that link to each other with ring tube ring tube at least, ring tube is horizontally disposed with, and is coaxial with delayed coker fractionator.
The utility model is mainly used in delayed coker fractionator, the coke powder that washing oil gas carries.Adopt the utility model, have following beneficial effect: the atomizer ejection atomizing wax oil of (1) nozzle component, can improve the gas-to-liquid contact situation; Atomizing wax oil washing upwards mobile oil gas carry coke powder the time can obtain washing effect preferably, thereby reduce the coke powder amount of carrying of the product that delayed coker fractionator, especially the finely-ground coke amount of carrying.(2) keep which floor tower tray that delayed coker fractionator is positioned at wax oil oil header below, so just do not influence the fractionating effect of oil gas.The utility model can use on existing delayed coker fractionator easily, does not need to do too many change.(3) temperature of wax oil oil header top is lower, above this zone tower tray nozzle component is set, and the finely-ground coke that washes away is not carried secretly up once more by low temperature oil gas, can guarantee washing effect.
Below in conjunction with the drawings and specific embodiments the utility model is described in further detail.The drawings and specific embodiments do not limit the claimed scope of the utility model.
Description of drawings
Fig. 1 is the synoptic diagram that the utility model is used for the washing device of delayed coker fractionator, and washing device is installed on the delayed coker fractionator.
Fig. 2 is the vertical view of a nozzle component among Fig. 1.
Fig. 3 is the synoptic diagram of angle between the axial line of atomizer and the horizontal plane.
Among Fig. 1 to Fig. 3, same reference numerals is represented identical technical characterictic.
Embodiment
Referring to Fig. 1, the utility model is used for the washing device (abbreviating washing device as) of delayed coker fractionator, is provided with wax oil and extracts pipe 2, top wax oil return tube 3, bottom wax oil return tube 4 out, and wax oil is extracted pipe 2 out and is provided with strainer 6.Delayed coker fractionator 12 is provided with tower tray 8, wax oil oil header 10, also is provided with at the bottom of the tower circulation and turning oil and extracts system 11 out.Wax oil is extracted pipe 2 out and is linked to each other with wax oil oil header 10.In the top wax oil return tube 3, there is the outlet of a top wax oil return tube 3 to be positioned at the top of wax oil oil header 10 tops the first layer tower tray from bottom to top; In the bottom wax oil return tube 4, there is the outlet of a bottom wax oil return tube 4 to be positioned at the top of the top-down the first layer tower tray in wax oil oil header 10 belows.The tower tray 8 of wax oil oil header 10 belows is generally 3～5 layers (Figure 1 shows that 3 layers).
The outlet of above-mentioned top wax oil return tube 3 and the outlet of bottom wax oil return tube 4 are equipped with nozzle component.Referring to Fig. 1 and Fig. 2, each nozzle component is made up of with 2 atomizers 1 that link to each other with ring tube 7 ring tube 7 at least.Ring tube 7 is horizontally disposed with, and is coaxial with delayed coker fractionator 12.
The utility model can also above the wax oil oil header 10 from bottom to top second layer tower tray above a nozzle component (as shown in Figure 1) is set; This nozzle component is located at the outlet of an other top wax oil return tube 3.Can be again above the wax oil oil header 10 from bottom to top the 3rd layer of tower tray above a nozzle component is set, this nozzle component is located at the outlet of an other top wax oil return tube 3, accompanying drawing omits.
The utility model also can be provided with a nozzle component (as shown in Figure 1) above top-down second layer tower tray below the wax oil oil header 10; This nozzle component is located at the outlet of an other bottom wax oil return tube 4.
In a word, washing device of the present utility model, for three layers of tower tray of wax oil oil header 10 top the first layers to the from bottom to top, can a nozzle component be installed above every layer of tower tray selecting according to 1 layer, 2 layers of preferential select progressivelys from bottom to top or 3 layers of tower tray.Corresponding to each nozzle component a top wax oil return tube 3 is set, each nozzle component is located at the outlet of a corresponding top wax oil return tube 3.
To second layer tower tray, can a nozzle component be installed for the top-down the first layer in wax oil oil header 10 belows above every layer of tower tray selecting according to 1 layer or 2 layers tower tray of preferential select progressively from top to bottom.Corresponding to each nozzle component a bottom wax oil return tube 4 is set, each nozzle component is located at the outlet of a corresponding bottom wax oil return tube 4.
On every top wax oil return tube 3 and the bottom wax oil return tube 4 variable valve 5 is set all, with the wax oil flow in the adjustable pipe.
The utility model is according to the diameter of delayed coker fractionator 12, and each nozzle component generally is provided with 2～10 atomizers 1 by equidistant from distance; Setting shown in Figure 2 be 2.The axial line of each atomizer 1 and the angle α between the horizontal plane are generally 0～85 degree, as shown in Figure 3.The selection of the quantity of above-mentioned atomizer 1 and angle α should make the atomizing wax oil of atomizer 1 ejection the horizontal section of delayed coker fractionator 12 can be covered.
The atomizer 1 that the utility model is used can be various taper atomizers commonly used or fan-shaped atomizer, preferred fan-shaped atomizer.
Below in conjunction with Fig. 1 washing operation of the present utility model is described.Generate oil gas 13 from the reaction of delayed coking coke drum and enter in the delayed coker fractionator 12, upwards flow, contact with turning oil in chev(e)ron baffle 9 zones of living in, heat exchange and be washed the part coke powder that carries.After wax oil in the wax oil oil header 10 filtered out coke powder by 2 extractions of wax oil extraction pipe and by strainer 6, a part went out device as wax oil product 14, and another part enters two top wax oil return tubes 3 and two bottom wax oil return tubes 4 respectively.
Enter the wax oil in two bottom wax oil return tubes 4, turn back to the nozzle component of top-down the first layer in wax oil oil header 10 belows and second layer tower tray top respectively, the ring tube 7 on these two nozzle components of flowing through, by atomizer 1 ejection.The atomizing wax oil of ejection contacts with the oil gas that travels up to above-mentioned two-layer tower tray zone of living in, heat exchange and wash away the part coke powder that oil gas carries; Oil gas also carries out fractionation on above-mentioned two-layer tower tray.
Enter the wax oil in two top wax oil return tubes 3, turn back to the wax oil oil header 10 tops the first layer from bottom to top and the nozzle component of second layer tower tray top respectively, the ring tube 7 on these two nozzle components of flowing through, by atomizer 1 ejection.The atomizing wax oil of ejection contacts with the oil gas that travels up to above-mentioned two-layer tower tray zone of living in, heat exchange and wash away most coke powders that oil gas carries.Oil gas also carries out fractionation on above-mentioned two-layer tower tray.
The oil gas that is washed coke powder upwards flows, and proceeds fractionation in delayed coker fractionator 12.
Claims (6)
1. washing device that is used for delayed coker fractionator, be provided with wax oil and extract pipe (2) out, top wax oil return tube (3), bottom wax oil return tube (4), delayed coker fractionator (12) is provided with tower tray (8), wax oil oil header (10), wax oil is extracted pipe (2) out and is linked to each other with wax oil oil header (10), the outlet of top wax oil return tube (3) is positioned at the top of wax oil oil header (10) top the first layer tower tray from bottom to top, the outlet of bottom wax oil return tube (4) is positioned at the top of the top-down the first layer tower tray in wax oil oil header (10) below, it is characterized in that: the outlet of the outlet of top wax oil return tube (3) and bottom wax oil return tube (4) is equipped with nozzle component, each nozzle component is made up of with 2 atomizers (1) that link to each other with ring tube (7) ring tube (7) at least, ring tube (7) is horizontally disposed with, and is coaxial with delayed coker fractionator (12).
2. the washing device that is used for delayed coker fractionator according to claim 1, it is characterized in that: the top of wax oil oil header (10) top second layer tower tray from bottom to top is provided with nozzle component, and this nozzle component is located at the outlet of an other top wax oil return tube (3).
3. the washing device that is used for delayed coker fractionator according to claim 2, it is characterized in that: the top of wax oil oil header (10) top the 3rd layer of tower tray from bottom to top is provided with nozzle component, and this nozzle component is located at the outlet of an other top wax oil return tube (3).
4. according to claim 1 or the 2 or 3 described washing devices that are used for delayed coker fractionator, it is characterized in that: the top of the top-down second layer tower tray in wax oil oil header (10) below is provided with nozzle component, and this nozzle component is located at the outlet of an other bottom wax oil return tube (4).
5. the washing device that is used for delayed coker fractionator according to claim 1 is characterized in that: each nozzle component is provided with 2～10 atomizers (1), and axial line of each atomizer (1) and the angle between the horizontal plane are 0～85 degree.
6. be used for the washing device of delayed coker fractionator according to claim 1 or 5, it is characterized in that: atomizer (1) is taper atomizer or fan-shaped atomizer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320048734 CN203079917U (en) | 2013-01-22 | 2013-01-22 | Washing device for delayed coking fractionating tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320048734 CN203079917U (en) | 2013-01-22 | 2013-01-22 | Washing device for delayed coking fractionating tower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203079917U true CN203079917U (en) | 2013-07-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320048734 Expired - Lifetime CN203079917U (en) | 2013-01-22 | 2013-01-22 | Washing device for delayed coking fractionating tower |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203079917U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103468308A (en) * | 2013-09-23 | 2013-12-25 | 博英睿科(北京)科技有限公司 | Coking delay equipment and method capable of optimizing product quality and liquid yield |
| CN104492218A (en) * | 2014-12-31 | 2015-04-08 | 江苏新中环保股份有限公司 | Oil-gas separation device |
-
2013
- 2013-01-22 CN CN 201320048734 patent/CN203079917U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103468308A (en) * | 2013-09-23 | 2013-12-25 | 博英睿科(北京)科技有限公司 | Coking delay equipment and method capable of optimizing product quality and liquid yield |
| CN103468308B (en) * | 2013-09-23 | 2016-01-20 | 博英睿科(北京)科技有限公司 | A kind of can the delayed coking Apparatus and method for of optimizing product quality and liquid yield |
| CN104492218A (en) * | 2014-12-31 | 2015-04-08 | 江苏新中环保股份有限公司 | Oil-gas separation device |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130724 |
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| CX01 | Expiry of patent term |