CN219385077U - Styrene coproduction epoxypropane reaction lubricating oil regenerating unit - Google Patents
Styrene coproduction epoxypropane reaction lubricating oil regenerating unit Download PDFInfo
- Publication number
- CN219385077U CN219385077U CN202320683543.2U CN202320683543U CN219385077U CN 219385077 U CN219385077 U CN 219385077U CN 202320683543 U CN202320683543 U CN 202320683543U CN 219385077 U CN219385077 U CN 219385077U
- Authority
- CN
- China
- Prior art keywords
- lubricating oil
- oil
- regeneration
- pipeline
- gas separator
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
Landscapes
- Lubricants (AREA)
- Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
Abstract
The utility model provides a styrene co-production propylene oxide reaction lubricating oil regeneration device which comprises an oil-gas separator, wherein the oil-gas separator is connected with a lubricating oil regeneration tank through a material line I, a steam heating coil is arranged on the left side in the lubricating oil regeneration tank, a cooling water coil is arranged on the right side, the upper part of the lubricating oil regeneration tank is connected with a silk screen foam remover, the top of the lubricating oil regeneration tank is connected with an emptying pipeline, the emptying pipeline is connected with a vacuum pump, the right side of the vacuum pump on the emptying pipeline is provided with a tail gas discharge system, a circulating pipeline is arranged between the bottom and the top of the lubricating oil regeneration tank, a regeneration accelerating circulating pump is connected on the circulating pipeline, an oil supplementing pipeline is connected between the lubricating oil regeneration tank and the oil-gas separator, a regeneration oil supplementing pump is arranged on the oil supplementing pipeline, and the oil-gas separator is connected with a lubricating oil supply system. The utility model can reduce the kinematic viscosity of the lubricating oil to an effective range and can reduce the cost.
Description
Technical Field
The utility model relates to the technical field of lubricating oil regeneration, in particular to a styrene co-production propylene oxide reaction lubricating oil regeneration device.
Background
The propylene compressor in the prior styrene co-production propylene oxide device is an oil injection screw compressor, and the adopted lubricating oil is CPI-4600-150 imported professional preparation poly alpha-olefin (PAO) synthetic refrigeration oil, so that the device has good viscosity-temperature performance and low-temperature fluidity, high flash point and fire point, safe use, low evaporation rate, and good thermal stability and chemical stability. However, at present, part of ethylbenzene is dissolved into lubricating oil in the running process of a unit, so that the kinematic viscosity of the unit is reduced, the flash point of the unit is reduced, the minimum oil-gas pressure difference required by equipment is difficult to ensure in the running process of a compressor, and an oil supply system of the lubricating oil cannot supply oil to an oil injection system, so that the equipment is damaged. The cost of frequent replacement of lubricating oil is high.
Disclosure of Invention
In order to solve the technical problems, the utility model is realized by the following technical scheme:
the utility model provides a styrene coproduction propylene oxide reaction lubricating oil regenerating unit, includes the oil-gas separator, the oil-gas separator passes through material line one and connects the lubricating oil regeneration jar, the left side is equipped with steam heating coil in the lubricating oil regeneration jar, and the right side is equipped with the cooling water coil, a silk screen demister is connected on lubricating oil regeneration jar upper portion, the evacuation pipeline is connected at lubricating oil regeneration jar top, connect a vacuum pump on the evacuation pipeline, the vacuum pump right side is equipped with tail gas exhaust system on the evacuation pipeline, be equipped with a circulation pipeline between lubricating oil regeneration jar bottom and the top, connect a regeneration accelerating circulation pump on the circulation pipeline, be connected the oil supplementing pipeline between lubricating oil regeneration jar and the oil-gas separator, be equipped with regeneration oil supplementing pump on the oil supplementing pipeline, the lubricating oil feeding system is connected to the oil-gas separator.
Preferably, a sampling valve I is arranged on the circulating pipeline close to the lubricating oil regeneration tank.
Preferably, the lubricating oil regeneration tank is connected with a thermometer.
Preferably, the top of the silk lubricating oil regeneration tank is connected with an absolute pressure meter.
Preferably, the oil-gas separator is connected with a second sampling valve.
Compared with the prior art, the utility model has the beneficial effects that: the utility model can reduce the kinematic viscosity of the lubricating oil to an effective range, solves the problem of damage to the compressor caused by the reduction of the viscosity of the lubricating oil of the propylene compressor due to the aggregation of ethylbenzene, and can reduce the cost.
Drawings
The utility model is described in further detail below with reference to the attached drawings and detailed description:
fig. 1 is a schematic view of the connection structure of the present utility model.
Detailed Description
The utility model is described in further detail below with reference to the attached drawings and detailed description:
the utility model provides a styrene coproduction propylene oxide reaction lubricating oil regenerating unit, includes oil and gas separator 1, oil and gas separator 1 passes through material line one 2 and connects lubricating oil regeneration tank 3, the left side is equipped with steam heating coil 4 in the lubricating oil regeneration tank 3, and the right side is equipped with cooling water coil 5, a silk screen demister 6 is connected to the upper portion in the lubricating oil regeneration tank 3, evacuation pipeline 7 is connected at lubricating oil regeneration tank 3 top, connect a vacuum pump 8 on the evacuation pipeline 7, vacuum pump 8 right side is equipped with tail gas exhaust system 9 on the evacuation pipeline 7, be equipped with a circulation pipeline 10 between lubricating oil regeneration tank 3 bottom and the top, connect regeneration accelerating circulation pump 11 on the circulation pipeline 10, connect the oil supplementing pipeline 12 between lubricating oil regeneration tank 3 and the oil and gas separator 1, be equipped with regeneration oil supplementing pump 13 on the oil supplementing pipeline 12, lubricating oil supply system 14 is connected to oil and gas separator 1.
Further, a sampling valve 15 is provided on the circulation line 10 near the lubricating oil regeneration tank 3.
Further, a thermometer 16 is connected to the lubricating oil regeneration tank 3.
Further, the top of the lubricating oil regeneration tank 3 is connected with an absolute pressure meter 17.
Further, the oil-gas separator 1 is connected with a second sampling valve 18.
The utility model is a set of lubricating oil regenerating unit, the lubricating oil after using is sent into the oil-gas separator 1, sample the second 18 sampling analysis lubricating oil of the sampling valve and move the viscosity to 70 mm/s, then the lubricating oil has doped a large amount of ethylbenzene, unable to continue to use, open the material line one 2, send lubricating oil into the lubricating oil regeneration tank 3 to regenerate, at first, pump up the pressure in the lubricating oil regeneration tank 3 to 30+ -5 KPa through the vacuum pump 8, its pressure is monitored by the absolute gauge 17, heat the lubricating oil regeneration tank 3 to 110 ℃ through introducing the hot steam in the steam heating coil 4, its temperature is monitored by the thermometer 16, the regeneration time is controlled at 15 minutes, ethylbenzene is totally turned into ethylbenzene steam at 110 ℃ under 30KPa, ethylbenzene steam is discharged to the exhaust gas exhaust system 9 through the evacuation pipeline 7, the regenerative accelerating circulation pump 11 can increase the mobility of the material in the lubricating oil regeneration tank 3, accelerate the lubricating oil regeneration speed, separate lubricating oil from ethylbenzene through the sampling valve one 15 pair of sampling analysis of the lubricating oil after regenerating, the kinematic viscosity reaches 120 mm/s after cooling coil 5 ℃ cooling water and cooling water is stopped. The regenerated lubricating oil is replenished to the oil separator 1 by the regeneration replenishing pump 13. The oil separator 1 feeds the lubricating oil to the lubricating oil supply system 14 for use.
The above detailed description of the embodiments of the present utility model has been given by way of example only, and the present utility model is not limited to the above described embodiments, and equivalent modifications are also within the scope of the present utility model.
Claims (5)
1. The utility model provides a styrene coproduction propylene oxide reaction lubricating oil regenerating unit, its characterized in that, including oil and gas separator (1), oil and gas separator (1) connect lubricating oil regeneration jar (3) through material line one (2), left side is equipped with steam heating coil (4) in lubricating oil regeneration jar (3), and the right side is equipped with cooling water coil (5), upper portion connection silk screen foam remover (6) in lubricating oil regeneration jar (3), evacuation pipeline (7) are connected at lubricating oil regeneration jar (3) top, connect a vacuum pump (8) on evacuation pipeline (7), vacuum pump (8) right side is equipped with tail gas exhaust system (9) on evacuation pipeline (7), be equipped with a circulation pipeline (10) between lubricating oil regeneration jar (3) bottom and the top, connect a regeneration accelerating circulation pump (11) on circulation pipeline (10), be connected between lubricating oil regeneration jar (3) and oil separator (1), be equipped with regeneration oil supplementing pump (13) on oil supplementing pipeline (12), lubricating oil supply system (14) are connected to oil and gas separator (1).
2. The regeneration device for styrene co-production propylene oxide reaction lubricating oil according to claim 1, wherein a sampling valve I (15) is arranged on the circulating pipeline (10) close to the lubricating oil regeneration tank (3).
3. The styrene co-production propylene oxide reaction lubricating oil regeneration device according to claim 1, wherein a thermometer (16) is connected to the lubricating oil regeneration tank (3).
4. The styrene co-production propylene oxide reaction lubricating oil regeneration device according to claim 1, wherein the top of the lubricating oil regeneration tank (3) is connected with an absolute pressure gauge (17).
5. The regeneration device of the styrene co-production propylene oxide reaction lubricating oil according to claim 1, wherein the oil-gas separator (1) is connected with a sampling valve II (18).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202320683543.2U CN219385077U (en) | 2023-03-31 | 2023-03-31 | Styrene coproduction epoxypropane reaction lubricating oil regenerating unit |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202320683543.2U CN219385077U (en) | 2023-03-31 | 2023-03-31 | Styrene coproduction epoxypropane reaction lubricating oil regenerating unit |
Publications (1)
Publication Number | Publication Date |
---|---|
CN219385077U true CN219385077U (en) | 2023-07-21 |
Family
ID=87193059
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202320683543.2U Active CN219385077U (en) | 2023-03-31 | 2023-03-31 | Styrene coproduction epoxypropane reaction lubricating oil regenerating unit |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN219385077U (en) |
-
2023
- 2023-03-31 CN CN202320683543.2U patent/CN219385077U/en active Active
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN100560698C (en) | Directly utilize vacuum carbonation coal gas desulfurization technology and the equipment thereof of raw gas waste heat for the desorb thermal source | |
CN106876823A (en) | Fountain heats refrigerating integrated safety battery bag | |
CN204923937U (en) | Power plant condenser vacuum improves device and thermal power system | |
CN113188900B (en) | Cold and hot impact test machine | |
CN208564736U (en) | A kind of cooling fluid exchange device | |
CN219385077U (en) | Styrene coproduction epoxypropane reaction lubricating oil regenerating unit | |
CN206628562U (en) | Fountain heats refrigerating integrated safety battery bag | |
CN102836617A (en) | Carbon dioxide capturing device and carbon dioxide capturing method | |
CN102058998A (en) | Heat pump type liquid-solid extraction device | |
CN202707433U (en) | Vacuum air removing system | |
CN101955806B (en) | Full negative pressure coke oven gas purification integrated process | |
CN203798035U (en) | Parallel type refrigerating and heating control system | |
CN204219994U (en) | The cold storage absorption process oil-gas recovery processing device of absorption-low temperature | |
CN112963733B (en) | Hydrogenation machine front hydrogen cooling method | |
CN213875885U (en) | Vacuum aging equipment with external circulation cooling | |
CN221223121U (en) | Cooling system for recycling canned carbon dioxide | |
CN203605641U (en) | Cryogenic gas separation system for sulfur hexafluoride recovery | |
CN102829004A (en) | Anti-explosion oil diffusion pump vacuum system and anti-explosion control method thereof | |
CN210021227U (en) | Novel adsorption type hydrogen drying equipment | |
CN209840460U (en) | VOCs tail gas treatment condensing unit controller | |
CN213841400U (en) | High-energy-efficiency multi-source complementary heat pump device | |
CN207355402U (en) | Comprehensively utilize the food cooling device of energy | |
CN216572978U (en) | Novel reaction of methyl alcohol system alkene device | |
CN100460747C (en) | Natural gas unloading system pipe network improving and released cold quantity utilizing technology | |
CN213335683U (en) | Phase-change cold accumulation heat exchanger |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant |