CN211079075U - Waste lubricating oil regeneration and recovery system - Google Patents
Waste lubricating oil regeneration and recovery system Download PDFInfo
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- CN211079075U CN211079075U CN201921616213.1U CN201921616213U CN211079075U CN 211079075 U CN211079075 U CN 211079075U CN 201921616213 U CN201921616213 U CN 201921616213U CN 211079075 U CN211079075 U CN 211079075U
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Abstract
The utility model relates to a waste lubricating oil regeneration recovery system, including machine oil fractionating tower, second grade raw oil/machine oil heat exchanger, machine oil water cooler, machine oil top of the tower condenser, fuel oil fractionating tower, raw oil/fuel oil heat exchanger, fuel oil water cooler, fuel oil top of the tower condenser, heat conduction oil stove, incombustible gas buffer tank and fuel oil top of the tower buffer tank. The utility model has the advantages that: through the utility model discloses a device can retrieve partial base oil, carries out recycle with effective resource, and can not produce waste oil.
Description
Technical Field
The utility model relates to a waste mineral oil handles technical field, in particular to useless lubricating oil regeneration recovery system.
Background
The waste mineral oil is mineral oil extracted and refined from petroleum, coal and oil shale, and changes the original physical and chemical properties due to the action of external factors in the processes of mining, processing and using, and can not be used continuously.
The waste mineral oil is a complex mixture composed of a plurality of substances, and the main components of the waste mineral oil comprise C15-C36 alkane, Polycyclic Aromatic Hydrocarbon (PAHs), olefin, phenol and the like. Its various components
Has certain toxic and harmful effects on human body. Therefore, once a large amount of the liquid enters the environment, serious environmental pollution is caused. In addition, the waste mineral oil can destroy the normal living environment of organisms, and cause biological dysfunction.
According to data reports, the base oil produced by adopting the hydrogenation process in China is less, and the yield of the conventional hydrogenated base oil is only about 600 million t/a. In the structure of the lubricating oil base oil, the base oil above HVI only accounts for about 56 percent, and the MVI product is not suitable for the requirement of upgrading and updating oil products. Along with the expansion of the market and the improvement of the quality, particularly after the requirement of multi-stage engine oil is increased, the requirements on high viscosity index and low volatility of the lubricating oil base oil are provided, and the current lubricating oil base oil product cannot meet the standard requirement of high-quality products. In addition, the waste mineral oil components are complex, and further investigation is required to obtain standard lubricant base oils, engine oils and fuel oils.
In view of the above, there is a need to provide a system for recycling and recovering standard fuel oil and light fuel oil from waste lubricating oil.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide a regeneration recovery system of the fuel oil of refining out standard and light fuel oil from useless lubricating oil.
In order to solve the technical problem, the utility model adopts the technical scheme that: the utility model provides a useless lubricating oil regeneration recovery system which innovation point lies in: the system comprises an engine oil fractionating tower, a secondary raw oil/engine oil heat exchanger, an engine oil water cooler, an engine oil tower top condenser, a fuel oil fractionating tower, a raw oil/fuel oil heat exchanger, a fuel oil water cooler, a fuel oil tower top condenser, a heat-conducting oil furnace, a non-combustible gas buffer tank and a fuel oil tower top buffer tank;
the engine oil fractionating tower is communicated with an oil feeding pipeline at the top of the lubricating oil tower, an engine oil heavy component discharging pipeline communicated with the engine oil fractionating tower is arranged at the center of the bottom end of the engine oil fractionating tower, the other end of the engine oil heavy component discharging pipeline is communicated with the secondary raw oil/engine oil heat exchanger, and an engine oil tower bottom pump is arranged on the engine oil heavy component discharging pipeline in series;
a raw oil discharge pipeline G and a raw oil feeding pipeline G which are communicated with the secondary raw oil/engine oil heat exchanger are sequentially arranged at the side end of the secondary raw oil/engine oil heat exchanger from top to bottom, and the raw oil/fuel oil heat exchanger is serially arranged on the raw oil feeding pipeline G; the bottom end of the secondary raw oil/engine oil heat exchanger is provided with an engine oil heavy component feeding pipeline communicated with the secondary raw oil/engine oil heat exchanger, the other end of the engine oil heavy component feeding pipeline is communicated with an engine oil water cooler, and the bottom end of the engine oil water cooler is also provided with an engine oil discharging pipeline communicated with the engine oil water cooler;
the center of the top end of the engine oil fractionating tower is provided with an engine oil light component discharging pipeline communicated with the engine oil fractionating tower, and the other end of the engine oil light component discharging pipeline is communicated with an engine oil tower top condenser;
the bottom end of the engine oil tower top condenser is provided with an engine oil tower top oil discharge pipeline communicated with the engine oil tower top condenser, and the other end of the engine oil tower top oil discharge pipeline is communicated with a fuel oil fractionating tower; a raw oil discharge pipeline H and a raw oil feeding pipeline H which are communicated with the engine oil tower top condenser are sequentially arranged at the side end of the engine oil tower top condenser from top to bottom;
the top center of the fuel oil fractionating tower is provided with a fuel oil tower top discharging pipeline communicated with the fuel oil fractionating tower, the bottom center of the fuel oil fractionating tower is provided with a fuel oil heavy component discharging pipeline communicated with the fuel oil fractionating tower, the other end of the fuel oil heavy component discharging pipeline is communicated with the raw oil/fuel oil heat exchanger, and the fuel oil heavy component discharging pipeline is also provided with a fuel oil tower bottom pump in series;
the bottom end of the raw oil/fuel oil heat exchanger is provided with a fuel oil heavy component feeding pipeline communicated with the raw oil/fuel oil heat exchanger, the other end of the fuel oil heavy component feeding pipeline is communicated with a fuel oil water cooler, and the bottom end of the fuel oil water cooler is also provided with a fuel oil discharging pipeline communicated with the fuel oil water cooler;
the condenser at the top of the fuel oil tower is communicated with a discharge pipeline at the top of the fuel oil tower, the bottom end of the condenser at the top of the fuel oil tower is provided with a discharge pipeline of the heavy component of the light fuel oil which is communicated with the condenser at the top of the fuel oil tower, and the other end of the discharge pipeline of the heavy component of the light fuel oil is communicated with the heat-conducting oil furnace;
the center of the top end of the heat-conducting oil furnace is provided with a non-combustible gas outlet pipeline A communicated with the heat-conducting oil furnace, the other end of the non-combustible gas outlet pipeline A is communicated with a non-combustible gas buffer tank, and the center of the top end of the non-combustible gas buffer tank is provided with a non-combustible gas outlet pipeline B communicated with the non-combustible gas buffer tank;
the center of the bottom end of the heat-conducting oil furnace is provided with a light fuel oil heavy component feeding pipeline communicated with the heat-conducting oil furnace, and the other end of the light fuel oil heavy component feeding pipeline is communicated with a fuel oil tower top buffer tank; the bottom center of the fuel oil tower top buffer tank is provided with a light fuel oil discharge pipeline communicated with the fuel oil tower top buffer tank, and a light fuel oil discharge pump is arranged on the light fuel oil discharge pipeline in series.
Furthermore, the engine oil tower top condensers are two and are arranged on an engine oil light component discharge pipeline in parallel.
Furthermore, the number of the fuel oil tower top condensers is two, and the two condensers are arranged on a discharge pipeline at the top of the fuel oil tower in parallel.
The utility model has the advantages that:
(1) the utility model discloses used lubricating oil regeneration recovery system, used lubricating oil get into the machine oil fractionating tower, and the material gets into machine oil top of the tower condenser after water and a small amount of base oil volatile matter are evaporated from the fractionating tower top, obtains machine oil top of the tower oil, and the heavy component in the material is gone into heat exchanger and machine oil water cooler in proper order from the fractionating tower bottom and is handled, obtains machine oil and stores; the top oil of the machine oil tower enters a fuel oil fractionating tower, the materials enter a fuel oil tower top condenser, a heat conducting oil furnace and a fuel oil tower top buffer tank in sequence after water and a small amount of base oil volatile components are evaporated from the top of the fractionating tower, so that light fuel oil is obtained, and heavy components in the materials are pumped into a heat exchanger and a fuel oil water cooler in sequence from the bottom of the fractionating tower to be processed, so that the fuel oil is obtained and stored; part of base oil can be recycled, effective resources are recycled, and waste oil is not generated;
(2) the utility model discloses useless lubricating oil regeneration recovery system, wherein, machine oil top of the tower condenser and fuel oil top of the tower condenser are provided with a plurality ofly, a plurality of works in the lump, can improve useless lubricating oil regeneration recovery system's work efficiency greatly.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Fig. 1 and 2 are schematic structural views of the present used lubricating oil regeneration and recovery system.
Detailed Description
The following examples are presented to enable those skilled in the art to more fully understand the present invention and are not intended to limit the scope of the present invention.
Examples
The system for recycling waste lubricating oil in this embodiment, as shown in fig. 1 and fig. 2, includes an oil fractionating tower 27, a secondary raw oil/oil heat exchanger 28, an oil water cooler 29, an oil tower top condenser 30, a fuel oil fractionating tower 31, a raw oil/fuel oil heat exchanger 32, a fuel oil water cooler 33, a fuel oil tower top condenser 34, a heat transfer oil furnace 35, a non-combustible gas buffer tank 36, and a fuel oil tower top buffer tank 37.
The engine oil fractionating tower 27 is communicated with an oil feeding pipeline at the top of the lubricating oil tower, an engine oil heavy component discharging pipeline communicated with the engine oil fractionating tower 27 is arranged at the center of the bottom end of the engine oil fractionating tower 27, the other end of the engine oil heavy component discharging pipeline is communicated with the secondary raw oil/engine oil heat exchanger 28, and an engine oil tower bottom pump 38 is arranged on the engine oil heavy component discharging pipeline in series.
A raw oil discharge pipeline G and a raw oil feed pipeline G which are communicated with the secondary raw oil/engine oil heat exchanger 28 are sequentially arranged at the side end of the secondary raw oil/engine oil heat exchanger 28 from top to bottom, and the raw oil/fuel oil heat exchanger 32 is serially arranged on the raw oil feed pipeline G; the bottom end of the secondary raw oil/engine oil heat exchanger 28 is provided with an engine oil heavy component feeding pipeline communicated with the secondary raw oil/engine oil heat exchanger 28, the other end of the engine oil heavy component feeding pipeline is communicated with an engine oil water cooler 29, and the bottom end of the engine oil water cooler 29 is also provided with an engine oil discharging pipeline communicated with the engine oil water cooler 29.
The center of the top end of the engine oil fractionating tower 27 is provided with an engine oil light component discharging pipeline communicated with the engine oil fractionating tower 27, and the other end of the engine oil light component discharging pipeline is communicated with an engine oil tower top condenser 30; the engine oil tower top condensers 30 are arranged on the engine oil light component discharging pipeline in parallel.
The bottom end of the engine oil tower top condenser 30 is provided with an engine oil tower top oil discharge pipeline communicated with the engine oil tower top condenser 30, and the other end of the engine oil tower top oil discharge pipeline is communicated with a fuel oil fractionating tower 31; a raw oil discharge pipeline H and a raw oil feeding pipeline H which are communicated with the engine oil tower top condenser 30 are sequentially arranged at the side end of the engine oil tower top condenser 30 from top to bottom.
The top center of the fuel oil fractionating tower 31 is provided with a fuel oil tower top discharge pipeline communicated with the fuel oil fractionating tower 31, the bottom center of the fuel oil fractionating tower 31 is provided with a fuel oil heavy component discharge pipeline communicated with the fuel oil fractionating tower 31, the other end of the fuel oil heavy component discharge pipeline is communicated with the raw oil/fuel oil heat exchanger 32, and the fuel oil heavy component discharge pipeline is also provided with a fuel oil tower bottom pump 39 in series.
The bottom end of the raw oil/fuel oil heat exchanger 32 is provided with a fuel oil heavy component feeding pipeline communicated with the raw oil/fuel oil heat exchanger 32, the other end of the fuel oil heavy component feeding pipeline is communicated with a fuel oil water cooler 33, and the bottom end of the fuel oil water cooler 33 is also provided with a fuel oil discharging pipeline communicated with the fuel oil water cooler 33.
The fuel oil tower top condensers 34 are communicated with a fuel oil tower top discharge pipeline, and two fuel oil tower top condensers 34 are arranged on the fuel oil tower top discharge pipeline in parallel; the bottom end of the fuel oil tower top condenser 34 is provided with a light fuel oil heavy component discharging pipeline communicated with the fuel oil tower top condenser 34, and the other end of the light fuel oil heavy component discharging pipeline is communicated with the heat conducting oil furnace 35.
The top center of the heat conduction oil furnace 35 is provided with a non-combustible gas outlet pipeline A communicated with the heat conduction oil furnace 35, the other end of the non-combustible gas outlet pipeline A is communicated with a non-combustible gas buffer tank 36, and the top center of the non-combustible gas buffer tank 36 is provided with a non-combustible gas outlet pipeline B communicated with the non-combustible gas buffer tank 36.
The center of the bottom end of the heat-conducting oil furnace 35 is provided with a light fuel oil heavy component feeding pipeline communicated with the heat-conducting oil furnace 35, and the other end of the light fuel oil heavy component feeding pipeline is communicated with a fuel oil tower top buffer tank 37; the bottom center of the fuel oil tower top buffer tank 37 is provided with a light fuel oil discharging pipeline communicated with the fuel oil tower top buffer tank 37, and the light fuel oil discharging pipeline is provided with a light fuel oil discharging pump 40 in series.
In the system for regenerating and recycling the waste lubricating oil, the waste lubricating oil enters the machine oil fractionating tower 27, the material enters the machine oil tower top condenser 30 after water and a small amount of volatile components of the base oil are evaporated from the top of the fractionating tower, so as to obtain machine oil tower top oil, and heavy components in the material are sequentially pumped into the heat exchanger and the machine oil water cooler 29 from the tower bottom of the fractionating tower for treatment, so as to obtain machine oil for storage; the top oil of the machine oil tower enters a fuel oil fractionating tower 31, the materials enter a fuel oil tower top condenser 34, a heat conducting oil furnace 35 and a fuel oil tower top buffer tank 37 in sequence after water and a small amount of base oil volatile components are evaporated from the top of the fractionating tower, so as to obtain light fuel oil, and heavy components in the materials are pumped into a heat exchanger and a fuel oil water cooler 33 in sequence from the bottom of the fractionating tower to be processed, so as to obtain fuel oil for storage; can recycle part of the base oil, recycle effective resources and avoid waste oil.
The basic principles and main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (3)
1. A used lubricating oil regeneration recovery system is characterized in that: the system comprises an engine oil fractionating tower, a secondary raw oil/engine oil heat exchanger, an engine oil water cooler, an engine oil tower top condenser, a fuel oil fractionating tower, a raw oil/fuel oil heat exchanger, a fuel oil water cooler, a fuel oil tower top condenser, a heat-conducting oil furnace, a non-combustible gas buffer tank and a fuel oil tower top buffer tank;
the engine oil fractionating tower is communicated with an oil feeding pipeline at the top of the lubricating oil tower, an engine oil heavy component discharging pipeline communicated with the engine oil fractionating tower is arranged at the center of the bottom end of the engine oil fractionating tower, the other end of the engine oil heavy component discharging pipeline is communicated with the secondary raw oil/engine oil heat exchanger, and an engine oil tower bottom pump is arranged on the engine oil heavy component discharging pipeline in series;
a raw oil discharge pipeline G and a raw oil feeding pipeline G which are communicated with the secondary raw oil/engine oil heat exchanger are sequentially arranged at the side end of the secondary raw oil/engine oil heat exchanger from top to bottom, and the raw oil/fuel oil heat exchanger is serially arranged on the raw oil feeding pipeline G; the bottom end of the secondary raw oil/engine oil heat exchanger is provided with an engine oil heavy component feeding pipeline communicated with the secondary raw oil/engine oil heat exchanger, the other end of the engine oil heavy component feeding pipeline is communicated with an engine oil water cooler, and the bottom end of the engine oil water cooler is also provided with an engine oil discharging pipeline communicated with the engine oil water cooler;
the center of the top end of the engine oil fractionating tower is provided with an engine oil light component discharging pipeline communicated with the engine oil fractionating tower, and the other end of the engine oil light component discharging pipeline is communicated with an engine oil tower top condenser;
the bottom end of the engine oil tower top condenser is provided with an engine oil tower top oil discharge pipeline communicated with the engine oil tower top condenser, and the other end of the engine oil tower top oil discharge pipeline is communicated with a fuel oil fractionating tower; a raw oil discharge pipeline H and a raw oil feeding pipeline H which are communicated with the engine oil tower top condenser are sequentially arranged at the side end of the engine oil tower top condenser from top to bottom;
the top center of the fuel oil fractionating tower is provided with a fuel oil tower top discharging pipeline communicated with the fuel oil fractionating tower, the bottom center of the fuel oil fractionating tower is provided with a fuel oil heavy component discharging pipeline communicated with the fuel oil fractionating tower, the other end of the fuel oil heavy component discharging pipeline is communicated with the raw oil/fuel oil heat exchanger, and the fuel oil heavy component discharging pipeline is also provided with a fuel oil tower bottom pump in series;
the bottom end of the raw oil/fuel oil heat exchanger is provided with a fuel oil heavy component feeding pipeline communicated with the raw oil/fuel oil heat exchanger, the other end of the fuel oil heavy component feeding pipeline is communicated with a fuel oil water cooler, and the bottom end of the fuel oil water cooler is also provided with a fuel oil discharging pipeline communicated with the fuel oil water cooler;
the condenser at the top of the fuel oil tower is communicated with a discharge pipeline at the top of the fuel oil tower, the bottom end of the condenser at the top of the fuel oil tower is provided with a discharge pipeline of the heavy component of the light fuel oil which is communicated with the condenser at the top of the fuel oil tower, and the other end of the discharge pipeline of the heavy component of the light fuel oil is communicated with the heat-conducting oil furnace;
the center of the top end of the heat-conducting oil furnace is provided with a non-combustible gas outlet pipeline A communicated with the heat-conducting oil furnace, the other end of the non-combustible gas outlet pipeline A is communicated with a non-combustible gas buffer tank, and the center of the top end of the non-combustible gas buffer tank is provided with a non-combustible gas outlet pipeline B communicated with the non-combustible gas buffer tank;
the center of the bottom end of the heat-conducting oil furnace is provided with a light fuel oil heavy component feeding pipeline communicated with the heat-conducting oil furnace, and the other end of the light fuel oil heavy component feeding pipeline is communicated with a fuel oil tower top buffer tank; the bottom center of the fuel oil tower top buffer tank is provided with a light fuel oil discharge pipeline communicated with the fuel oil tower top buffer tank, and a light fuel oil discharge pump is arranged on the light fuel oil discharge pipeline in series.
2. The used lubricating oil recycling system according to claim 1, characterized in that: and two condensers at the top of the engine oil tower are arranged on the engine oil light component discharge pipeline in parallel.
3. The used lubricating oil recycling system according to claim 1, characterized in that: the two condensers at the top of the fuel oil tower are arranged on a discharge pipeline at the top of the fuel oil tower in parallel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921616213.1U CN211079075U (en) | 2019-09-26 | 2019-09-26 | Waste lubricating oil regeneration and recovery system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201921616213.1U CN211079075U (en) | 2019-09-26 | 2019-09-26 | Waste lubricating oil regeneration and recovery system |
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| CN211079075U true CN211079075U (en) | 2020-07-24 |
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| CN201921616213.1U Expired - Fee Related CN211079075U (en) | 2019-09-26 | 2019-09-26 | Waste lubricating oil regeneration and recovery system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116144389A (en) * | 2023-02-23 | 2023-05-23 | 山西新鸿顺能源有限公司 | Advanced refining method of waste mineral oil tower top oil composite solvent |
-
2019
- 2019-09-26 CN CN201921616213.1U patent/CN211079075U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116144389A (en) * | 2023-02-23 | 2023-05-23 | 山西新鸿顺能源有限公司 | Advanced refining method of waste mineral oil tower top oil composite solvent |
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Granted publication date: 20200724 Termination date: 20210926 |
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