CN203307293U - Heavy oil processing device - Google Patents
Heavy oil processing device Download PDFInfo
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- CN203307293U CN203307293U CN2013203280382U CN201320328038U CN203307293U CN 203307293 U CN203307293 U CN 203307293U CN 2013203280382 U CN2013203280382 U CN 2013203280382U CN 201320328038 U CN201320328038 U CN 201320328038U CN 203307293 U CN203307293 U CN 203307293U
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- visbreaking reactor
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Abstract
The utility model provides a heavy oil processing device. The device mainly comprises an integrated heating furnace, a viscosity breaking reactor, coke towers and a fractionating tower, wherein a discharge hole in a convection section of the integrated heating furnace is connected with a feeding hole of the viscosity breaking reactor; a discharge hole of the viscosity breaking reactor is connected with a feeding hole in a radiation section of the integrated heating furnace; a discharge hole in the radiation section of the integrated heating furnace is connected with feeding holes at the bottoms of the coke towers; oil and gas outlets at the tops of the coke towers are connected with a feeding hole in the middle-lower part of the fractionating tower; and a discharge hole at the bottom of the fractionating tower is connected with the feeding hole in the radiation section of the integrated heating furnace. The device can reduce the energy consumption, relieve coking of furnace tubes, prolong the cycle of operation, reduce the yields of cokes and dry gases and increase the yield of liquid products.
Description
Technical field
The utility model relates to a kind of heavy oil upgrading device.
Background technology
In recent years, application along with heaviness and the deep drawing technology of crude oil, the heavy oil of high carbon residue, high-sulfur, high metal content is difficult to the material of mixing as catalytic cracking, walks that the hydrogenation technique route is processed its investment and cost is all very high, thereby has further promoted the development of Delayed Coking Technology.In full-bodied residual oil and vacuum residuum, mix after pitch as the raw material of coker, can accelerate the coking of process furnace radiant coil, have influence on the long-term operation of device.For this reason domestic-developed Delayed Visbreaking-delayed coking combination process, and realized industrial application, for enterprise, improve working ability and the economic benefit of heavy oil and brought into play vital role.But because process integration is the independent operation operations respectively of two covering devices, its investment and process cost are higher, have limited the development of this technology.
High liquid by Luoyang Engineering Co., Ltd of China Petrochemical Industry (LPEC) exploitation is received delay coking process (Advanced delayed coking process with Higher Liquid Yield, ADCP) be with a process furnace and a separation column, viscosity breaking technology and delay coking process to be combined, thereby saved investment, also reduced tooling cost, improved simultaneously the character of coker furnace radiation section charging, improved the yield of liquid product, can be enterprise and bring benefit preferably.
The patent No. is that the patent of CN 101591561 discloses a kind of delay coking process, charging is heated to 360 ℃～460 ℃ in the convection chamber of process furnace or convection chamber and radiation chamber, then enter Visbreaking reactor and carry out cracking reaction, reaction product is advanced the process furnace radiation chamber and is heated to 480 ℃～515 ℃, enter coking tower, the oil gas that goes out coking tower enters coking fractional distillation column and carries out fractionation.This technique can improve the yield of delayed coking liquid product, reduces coke yield, extends the on-stream time of delayed coking unit, reduces facility investment.But how this patent does not just realize in a covering device that the combination of two kinds of techniques is specifically described.
The utility model content
In order to solve the problem that in above-mentioned existing process integration, two covering device independent operatings exist, the utility model provides a kind of heavy oil upgrading device.
The heavy oil upgrading device that the utility model provides mainly is comprised of a combination furnace, a visbreaking reactor, two coke drums and a separation column.Wherein, combination furnace convection zone discharge port is connected with the opening for feed of visbreaking reactor, the discharge port of visbreaking reactor is connected with combination furnace radiation section opening for feed, combination furnace radiation section discharge port is connected with the opening for feed of coke drum bottom, the oil gas vent at coke drum top is connected with the opening for feed of separation column middle and lower part, and the discharge port of separation column bottom is connected with combination furnace radiation section opening for feed.
Described visbreaking reactor can adopt the form of bottom in and top out or upper entering and lower leaving, preferably the form of bottom in and top out.
As further improved plan, combination furnace convection zone discharge port is connected with combination furnace radiation section opening for feed by a cross-line valve, is provided with feed valve on the visbreaking reactor feeding line, is provided with bleeder valve on visbreaking reactor discharging pipeline.
Combination furnace described in the utility model, visbreaking reactor, coke drum and separation column are this area conventional equipment.
Compared with prior art, technical superiority of the present utility model is:
(1) reduced facility investment, the process furnace of original machinery and separation column have been reduced respectively to one;
(2) reduce energy consumption, by by two process furnace organic combinations, reduced the calorific loss of material in the course of processing;
(3) reduce the viscosity of process furnace radiation section charging, thereby can alleviate the coking of boiler tube, the cycle of operation of extension fixture;
(4) can lower the productive rate of coke and dry gas, increase the yield of liquid product.
The accompanying drawing explanation
The structural representation of the device that Fig. 1 provides for the utility model.
In figure: 1-combination furnace, 2-visbreaking reactor, 3-cross-line valve, 4, the 5-coke drum, the 6-separation column, 7,8,9,10,11,12,13,14, the 15-pipeline, the 16-feed valve, 17-bleeder valve, the 18-outlet valve that purges steam, the 19-inlet valve that purges steam.
Embodiment
The utility model is described in further detail below in conjunction with accompanying drawing.
As shown in Figure 1, the heavy oil upgrading device that provides of the utility model mainly is comprised of combination furnace 1, visbreaking reactor 2, coke drum 4, coke drum 5 and separation column 6; Wherein, combination furnace 1 convection zone discharge port is divided into two-way by pipeline 8, and a road is connected with the opening for feed of visbreaking reactor 2 through feed valve 16, and another road is connected with combination furnace 1 radiation section opening for feed with pipeline 10 through cross-line valve 3; The discharge port of visbreaking reactor 2 is connected with combination furnace 1 radiation section opening for feed with pipeline 10 by pipeline 9, bleeder valve 17; Combination furnace 1 radiation section discharge port is connected with the opening for feed of coke drum 5 bottoms with coke drum 4 by pipeline 12, the oil gas vent at coke drum 4 and coke drum 5 tops is connected with the opening for feed of separation column 6 middle and lower parts with pipeline 14 by pipeline 13, and the discharge port of separation column 6 bottoms is connected with combination furnace 1 radiation section opening for feed with pipeline 10 by pipeline 15, pipeline 11.
On the pipeline between visbreaking reactor 2 opening for feeds and feed valve 16, be provided with the outlet line that purges steam, this pipeline is provided with the outlet valve 18 that purges steam; On the pipeline 9 at visbreaking reactor 2 discharge port places, be provided with the source line that purges steam, this pipeline is provided with the inlet valve 19 that purges steam.
The utility model is when operation, as shown in Figure 1, under normal circumstances, cross-line valve 3, purge steam inlet valve 19 and the outlet valve 18 that purges steam are closing condition, fresh feed enters the convection zone of process furnace 1 through pipeline 7, be heated to 390 ℃～440 ℃, then through process furnace convection zone outlet line 8 and feed valve 16, enter visbreaking reactor 2.Material is after the interior stop 20～150min of visbreaking reactor 2, through pipeline 9, bleeder valve 17 and pipeline 10, enter combination furnace 1 radiation section and continue heating, being heated to the material of 485 ℃～510 ℃ enters coke drum 4 through pipeline 12 and carries out delayed coking reaction, the oil gas that reaction generates enters separation column 6 through pipeline 13 and pipeline 14 and carries out fractionation, and the coke that reaction generates is in the interior accumulation of coke drum 4.After a pyrogenic reaction cycle completed, material was switched to coke drum 5 through pipeline 12 and starts the another one coking cycle.From the generation oil gas of coke drum, after pipeline 13 and pipeline 14 enter separation column 6, cut fractionation.Fractionator Bottom heavy oil enters combination furnace 1 radiation section heating as turning oil through pipeline 11 and pipeline 10 through pipeline 15 parts, and a part is played circulation to prevent the Fractionator Bottom coking at Fractionator Bottom, and a part goes out separation column as heavy wax tailings product; Separation column side line fractionation product such as light wax tailings technique means are routinely processed, and the utility model no longer describes in detail.
When visbreaking reactor 2 needed break-down maintenance, cross-line valve 3, purge steam inlet valve 19 and the outlet valve 18 that purges steam were in opened condition, close simultaneously feed valve 16 and bleeder valve 17.Combination furnace 1 convection zone outlet material enters combined heat 1 stove radiation section through cross-line valve 3 and pipeline 10, then carries out the following process reaction.Purge steam and enter visbreaking reactor 2 through the inlet valve 19 that purges steam, salvage stores is purged, salvage stores is discharged visbreaking reactor 2 through the outlet valve 18 that purges steam.Visbreaking reactor 2 purges complete the maintenance.
Claims (4)
1. a heavy oil upgrading device, is characterized in that: mainly a combination furnace, a visbreaking reactor, two coke drums and a separation column, consist of; Wherein, combination furnace convection zone discharge port is connected with the opening for feed of visbreaking reactor, the discharge port of visbreaking reactor is connected with combination furnace radiation section opening for feed, combination furnace radiation section discharge port is connected with the opening for feed of coke drum bottom, the oil gas vent at coke drum top is connected with the opening for feed of separation column middle and lower part, and the discharge port of separation column bottom is connected with combination furnace radiation section opening for feed.
2. device according to claim 1, it is characterized in that: described combination furnace convection zone discharge port is connected with combination furnace radiation section opening for feed by a cross-line valve, on the visbreaking reactor feeding line, be provided with feed valve, be provided with bleeder valve on visbreaking reactor discharging pipeline.
3. device according to claim 2, it is characterized in that: the pipeline between described visbreaking reactor opening for feed and feed valve is provided with the outlet line that purges steam, and the outlet line that purges steam is provided with the outlet valve that purges steam; On the pipeline at visbreaking reactor discharge port place, be provided with the source line that purges steam, the source line that purges steam is provided with the inlet valve that purges steam.
4. according to claim 1 or 2 or 3 described devices, it is characterized in that: described visbreaking reactor adopts the form of bottom in and top out or upper entering and lower leaving.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203280382U CN203307293U (en) | 2013-06-04 | 2013-06-04 | Heavy oil processing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203280382U CN203307293U (en) | 2013-06-04 | 2013-06-04 | Heavy oil processing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203307293U true CN203307293U (en) | 2013-11-27 |
Family
ID=49613515
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013203280382U Expired - Lifetime CN203307293U (en) | 2013-06-04 | 2013-06-04 | Heavy oil processing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203307293U (en) |
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2013
- 2013-06-04 CN CN2013203280382U patent/CN203307293U/en not_active Expired - Lifetime
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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: 20131127 |
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| CX01 | Expiry of patent term |