CN206204243U - Petroleum naphtha hydrogenation refining plant - Google Patents
Petroleum naphtha hydrogenation refining plant Download PDFInfo
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- CN206204243U CN206204243U CN201621237031.XU CN201621237031U CN206204243U CN 206204243 U CN206204243 U CN 206204243U CN 201621237031 U CN201621237031 U CN 201621237031U CN 206204243 U CN206204243 U CN 206204243U
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- pipeline
- stabilizer
- liquid feeding
- tank
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Abstract
The utility model is related to naphtha field, and in particular to petroleum naphtha hydrogenation refining plant.Including stabilizer, stabilizer is connected with hydrogenation reaction equipment by pipeline, stabilizer lower end is provided with and the pipeline that tank field is connected is got rid of outside finished product, stabilizer is provided with finished product external application pump with being got rid of outside finished product on the pipeline that tank field is connected, stabilizer is also associated with boiling equipment, cooling device, alkali cleaning equipment again, and alkali cleaning equipment is connected with alkylation removal equipment, lixiviating sodium oxide molybdena reactor by pipeline respectively.The utility model is designed, and simple structure is easy to operate, solves the problems, such as that return tank often expires liquid level, it is ensured that stabilizer temperature and pressure stabilization.
Description
Technical field
The utility model is related to naphtha field, and in particular to petroleum naphtha hydrogenation refining plant.
Background technology
Petroleum naphtha hydrogenation refining system, the former design of stabilizer return tank is that infinite reflux does not have outer fishing line, later by practice
Operation finds that return tank often expires liquid level, when liquid level is full, stabilizer temperature and pressure can be caused unstable, and influence product is closed
Lattice rate, also exactly stable tower top sour gas goes NaHS reactor to remove line ball band liquid phenomenon, causes NaHS anti-
Answer device pressure and temperature unstable, very big difficulty is brought to operation.
Utility model content
The utility model is according to the deficiencies in the prior art, there is provided a kind of new solution technical thought.The utility model can be real
Pressure and temperature parameter stability in existing stabilizer, and can prevent upstream device from being corroded by sulfide.
To achieve these goals, the technical scheme of the utility model offer is：
Petroleum naphtha hydrogenation refining plant, including stabilizer, stabilizer are connected with hydrogenation reaction equipment by pipeline, stabilizer
Lower end is provided with and gets rid of the pipeline that tank field is connected outside finished product, and stabilizer be provided with finished product on the pipeline that tank field is connected with being got rid of outside finished product
External application pump, stabilizer is also associated with boiling equipment, cooling device, alkali cleaning equipment again, alkali cleaning equipment respectively with alkylation removal device, lixiviating
Sodium oxide molybdena reactor is connected by pipeline.
Specifically, boiling equipment again includes that, using the reboiler of heat-conducting oil heating, stabilizer passes through with the liquid feeding end of reboiler
Pipeline is connected, and the outlet end of reboiler is connected with stabilizer by pipeline, and conduction oil oil inlet pipe and heat conduction are provided with reboiler
Oily flowline.
Specifically, cooling device includes cooler, circulating water inlet and circulating water outlet pipe are provided with cooler, it is cold
But the liquid feeding end of device is connected with stabilizer by pipeline, and control is provided with the pipeline that the liquid feeding end of cooler is connected with stabilizer
Valve, the outlet end of cooler is connected with the liquid feeding end of return tank by pipeline by pipeline, the outlet end and return tank of cooler
Liquid feeding end connection pipeline on be provided with control valve, the outlet end of return tank is connected by pipeline with stabilizer, return tank
Control valve and reflux pump are provided with the pipeline that outlet end is connected with stabilizer.
Specifically, alkali cleaning equipment includes caustic treater, liquid level gauge, the pipe that return tank is connected with stabilizer are provided with caustic treater
Line is connected with the liquid feeding end of caustic treater by pipeline, and the pipeline that return tank is connected with stabilizer is connected with the liquid feeding end of caustic treater
Control valve is provided with pipeline, new alkali storage tank passes through pipeline, new alkali storage tank and caustic treater with the liquid feeding end of caustic treater
Liquid feeding end connection pipeline on be provided with control valve, lixiviating sodium oxide molybdena reactor is connected with caustic treater by pipeline, lixiviating oxygen
Change and be provided with control valve on sodium reactor and the tank connected pipeline of alkali cleaning.
The utility model is designed, and simple structure is easy to operate, solves the problems, such as that return tank often expires liquid level, it is ensured that
Stabilizer temperature and pressure stabilization.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
The reboiler of 1 hydrogenation reaction equipment, 2 stabilizer, 34 alkylation removal device of finished product external application pump 5
The cooler of 6 conduction oil oil inlet pipe, 7 conduction oil flowline, 8 return tank 9
The caustic treater of 10 circulating water inlet, 11 circulating water outlet pipe, 12 reflux pump 13
The new alkali storage tank in tank field 17 is got rid of outside the finished product of 14 liquid level gauge, 15 lixiviating sodium oxide molybdena reactor 16.
Specific embodiment
As shown in figure 1, petroleum naphtha hydrogenation refining plant, including stabilizer 2, stabilizer 2 is with hydrogenation reaction equipment 1 by pipe
Line is connected, and the lower end of stabilizer 2 is provided with and gets rid of the pipeline that tank field 16 is connected outside finished product, and getting rid of tank field 16 outside stabilizer 2 and finished product connects
Finished product external application pump 3 is provided with the pipeline for connecing, stabilizer 2 is also associated with boiling equipment, cooling device, alkali cleaning equipment again, and alkali cleaning sets
Back-up is not connected with alkylation removal device 4, lixiviating sodium oxide molybdena reactor 15 by pipeline.
Boiling equipment again includes that, using the reboiler 5 of heat-conducting oil heating, stabilizer 2 passes through pipeline with the liquid feeding end of reboiler 5
Connection, the outlet end of reboiler 5 is connected with stabilizer 2 by pipeline, and conduction oil oil inlet pipe 6 and heat conduction are provided with reboiler 5
Oily flowline 7.
Cooling device includes cooler 9, and circulating water inlet 10 and circulating water outlet pipe 11 are provided with cooler 9, cold
But the liquid feeding end of device 9 is connected with stabilizer 2 by pipeline, is provided with the pipeline that the liquid feeding end of cooler 9 is connected with stabilizer 2
Control valve, the outlet end of cooler 9 is connected with the liquid feeding end of return tank 8 by pipeline by pipeline, the outlet end of cooler 9 and
Control valve is provided with the pipeline of the liquid feeding end connection of return tank 8, the outlet end of return tank 8 is connected by pipeline with stabilizer 2,
Control valve and reflux pump 12 are provided with the pipeline that the outlet end of return tank 8 is connected with stabilizer 2.
Alkali cleaning equipment includes caustic treater, and liquid level gauge 14, the pipe that return tank 8 is connected with stabilizer 2 are provided with caustic treater 13
Line is connected with the liquid feeding end of caustic treater 13 by pipeline, the liquid feeding end of the pipeline that return tank 8 is connected with stabilizer 2 and caustic treater 13
Control valve is provided with the pipeline of connection, new alkali storage tank 17 passes through pipeline, new alkali storage with the liquid feeding end of caustic treater 13
Control valve is provided with the pipeline that tank 17 is connected with the liquid feeding end of caustic treater 13, lixiviating sodium oxide molybdena reactor 15 leads to caustic treater 13
Pipeline connection is crossed, control valve is provided with the pipeline that lixiviating sodium oxide molybdena reactor 15 is connected with caustic treater 13.
During work, material enters stabilizer 2 from hydrogenation reaction equipment 1.Stabilizer 2 carries out the steady of temperature and pressure to material
It is fixed, the material in stabilizer 2 is heated using the reboiler 5 of heat-conducting oil heating.During heated material, the top of stabilizer 2 produces gas
Body, the gas at the top of stabilizer 2 is condensed into liquid into return tank 8 through subcooler 9, is then thrown into by the pressurization of reflux pump 12
Liquid phase in the apical sink top gaseous phase of stabilizer 2.Meanwhile, cooled material can also reduce stabilizer 2 into stabilizer 2
The temperature of interior material.Caustic treater 13 is mounted on the reflux pipeline of the outlet of reflux pump 12.One is installed in reflux pipeline upper shed
Material, is guided to the bottom of caustic treater 13 by root stainless steel tubing, and material is discharged into top from the bottom of caustic treater 13, can make thing
Material is fully contacted with the alkali lye in tank, and give alkylation equipment 4 after alkali cleaning is complete uses as raw material.
Preferred embodiment of the present utility model is the foregoing is only, is not used to limit the utility model, it is all at this
Any modification, equivalent and improvement made within the spirit and principle of utility model etc., should be included in the utility model
Protection domain within.
Claims (4)
1. petroleum naphtha hydrogenation refining plant, it is characterised in that including stabilizer (2), stabilizer (2) and hydrogenation reaction equipment (1)
Connected by pipeline, stabilizer (2) lower end is provided with and the pipeline that tank field (16) is connected, stabilizer (2) and finished product are got rid of outside finished product
Finished product external application pump (3) is provided with the outer pipeline for getting rid of tank field (16) connection, the lower end of stabilizer (2) is connected with boils equipment again, surely
Determine tower (2) upper end to be connected with cooling device, alkali cleaning equipment, alkali cleaning equipment is reacted with alkylation removal device (4), lixiviating sodium oxide molybdena respectively
Device (15) is connected by pipeline.
2. petroleum naphtha hydrogenation refining plant according to claim 1, it is characterised in that boiling equipment again includes adding using conduction oil
The reboiler (5) of heat, stabilizer (2) is connected with the liquid feeding end of reboiler (5) by pipeline, the outlet end of reboiler (5) with it is steady
Determine tower (2) to be connected by pipeline, reboiler (5) upper end is provided with conduction oil oil inlet pipe (6) and conduction oil flowline (7).
3. petroleum naphtha hydrogenation refining plant according to claim 1, it is characterised in that cooling device includes cooler (9), cold
But circulating water inlet (10) and circulating water outlet pipe (11), the liquid feeding end and stabilizer of cooler (9) are provided with device (9)
(2) top is connected by pipeline, and the liquid feeding end of cooler (9) is provided with control valve with the pipeline being connected at the top of stabilizer (2),
The outlet end of cooler (9) is connected with the liquid feeding end of return tank (8) by pipeline by pipeline, the outlet end of cooler (9) with
Control valve is provided with the pipeline of the liquid feeding end connection of return tank (8), the outlet end of return tank (8) passes through pipeline and stabilizer
(2) middle part connection, is provided with the pipeline that the outlet end of return tank (8) is connected with stabilizer (2) and controls valve and reflux pump (12).
4. petroleum naphtha hydrogenation refining plant according to claim 1, it is characterised in that alkali cleaning equipment includes caustic treater, alkali cleaning
Liquid level gauge (14) is provided with tank (13), the feed liquor of the pipeline that return tank (8) is connected with stabilizer (2) and caustic treater (13) bottom
End is connected by pipeline, and the pipeline that return tank (8) is connected with stabilizer (2) middle part is connected with caustic treater (13) lower end liquid feeding end
Control valve is provided with pipeline, new alkali storage tank (17) passes through pipeline, new alkali lye storage with the liquid feeding end of caustic treater (13) lower end
Deposit and be provided with control valve, lixiviating sodium oxide molybdena reactor (15) on the pipeline that tank (17) is connected with the liquid feeding end of caustic treater (13) lower end
Liquid feeding end with caustic treater (13) lower end is connected by pipeline, and lixiviating sodium oxide molybdena reactor (15) is connected with caustic treater (13) upper end
Pipeline on be provided with control valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621237031.XU CN206204243U (en) | 2016-11-18 | 2016-11-18 | Petroleum naphtha hydrogenation refining plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621237031.XU CN206204243U (en) | 2016-11-18 | 2016-11-18 | Petroleum naphtha hydrogenation refining plant |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206204243U true CN206204243U (en) | 2017-05-31 |
Family
ID=58750332
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621237031.XU Active CN206204243U (en) | 2016-11-18 | 2016-11-18 | Petroleum naphtha hydrogenation refining plant |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206204243U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107892942A (en) * | 2017-11-21 | 2018-04-10 | 七台河宝泰隆圣迈煤化工有限责任公司 | A kind of stabilizer backflow control system |
| CN108795485A (en) * | 2018-07-19 | 2018-11-13 | 中国石化青岛炼油化工有限责任公司 | Naphtha modifies energy saver and modifying process |
-
2016
- 2016-11-18 CN CN201621237031.XU patent/CN206204243U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107892942A (en) * | 2017-11-21 | 2018-04-10 | 七台河宝泰隆圣迈煤化工有限责任公司 | A kind of stabilizer backflow control system |
| CN108795485A (en) * | 2018-07-19 | 2018-11-13 | 中国石化青岛炼油化工有限责任公司 | Naphtha modifies energy saver and modifying process |
| CN108795485B (en) * | 2018-07-19 | 2024-05-07 | 中国石油化工股份有限公司 | Naphtha upgrading energy-saving device and upgrading process |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: Puyang City, Henan province 457000 Industrial Agglomeration District Fanxian Industrial Park Patentee after: Puyang Shengyuan Petrochemical (Group) Co., Ltd. Address before: Puyang City, Henan province 457000 Industrial Agglomeration District Fanxian Industrial Park Patentee before: Puyang Shengyuan Petrochemical Co. Ltd. |
|
| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Liu Xin Inventor after: Fang Zhengtao Inventor before: Liu Xin Inventor before: Fang Zhengtao Inventor before: Cheng Guoqiang |