CN211079041U - Waste mineral oil regeneration pretreatment system - Google Patents
Waste mineral oil regeneration pretreatment system Download PDFInfo
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- CN211079041U CN211079041U CN201921616242.8U CN201921616242U CN211079041U CN 211079041 U CN211079041 U CN 211079041U CN 201921616242 U CN201921616242 U CN 201921616242U CN 211079041 U CN211079041 U CN 211079041U
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Abstract
The utility model relates to a mineral oil regeneration pretreatment systems that gives up, including flash column, flash column survey line jar, flash column overhead condenser, flash column overhead oil-water separation jar, raw oil/flash column side line oil heat exchanger, flash column side line water cooler, reaction feed heating furnace, reactor, residual oil fractionating tower, residual oil overhead condenser and level four raw oil/residual oil heat exchanger. The utility model has the advantages that: the utility model discloses can refine standard residual oil and fuel oil from waste mineral oil, carry out recycle with effective resource.
Description
Technical Field
The utility model relates to a waste mineral handles technical field, in particular to waste mineral oil regeneration pretreatment 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.
Therefore, there is a need to provide a regeneration pretreatment system for refining standard lubricant base oil, engine oil and fuel oil from waste mineral oil.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide a regeneration pretreatment system of the lubricating oil base oil, machine oil and the fuel oil of refining out the standard from the waste mineral oil.
In order to solve the technical problem, the utility model adopts the technical scheme that: the utility model provides a waste mineral oil regeneration pretreatment system which innovation point lies in: the system comprises a flash tower, a flash tower line measuring tank, a flash tower top condenser, a flash tower top oil-water separation tank, a raw oil/flash tower side line oil heat exchanger, a flash tower side line water cooler, a reaction feeding heating furnace, a reactor, a residual oil fractionating tower, a residual oil tower top condenser, a four-stage raw oil/residual oil heat exchanger and a residual oil water cooler;
a water/light component discharge pipeline A communicated with the flash tower is arranged in the center of the top end of the flash tower, and the other end of the water/light component discharge pipeline A is communicated with a condenser at the top of the flash tower; a light fuel oil discharge pipeline A and a fuel oil discharge pipeline A which are communicated with the flash tower are sequentially arranged at the side end of the upper part of the flash tower from top to bottom, the other end of the fuel oil discharge pipeline A is communicated with a flash tower measuring line tank, and a non-condensable gas outlet pipeline communicated with the flash tower measuring line tank is arranged at the center of the top end of the flash tower measuring line tank;
the flash tower line measuring tank is communicated with the raw oil/flash tower side line oil heat exchanger through a fuel oil discharge pipeline B, and a flash tower line measuring pump is arranged on the fuel oil discharge pipeline B in series; the raw oil/flash tower side line oil heat exchanger is also communicated with a fuel oil discharge pipeline C, and the fuel oil discharge pipeline C is serially connected with a flash tower side line water cooler; a raw oil discharge pipeline A and a raw oil feeding pipeline A which are communicated with the raw oil/flash tower side line oil heat exchanger are sequentially arranged at one side end of the raw oil/flash tower side line oil heat exchanger from top to bottom;
a heavy component discharge pipeline communicated with the flash tower is arranged in the center of the bottom end of the flash tower, the other end of the heavy component discharge pipeline is communicated with the reaction feeding heating furnace, and a flash tower bottom pump is also arranged on the heavy component discharge pipeline in series;
a saturated steam inlet pipeline communicated with the reaction feeding heating furnace is arranged on one side of the upper end of the reaction feeding heating furnace, a superheated steam outlet pipeline communicated with the reaction feeding heating furnace is arranged on the other side of the upper end of the reaction feeding heating furnace, and a flash tower bottom oil discharge pipeline communicated with the reaction feeding heating furnace is arranged on the reaction feeding heating furnace below the superheated steam outlet pipeline;
the top condenser of the flash tower is communicated with the top oil-water separation tank of the flash tower through a water/light component discharge pipeline B, the bottom of the top oil-water separation tank of the flash tower is also provided with a light fuel oil discharge pipeline B communicated with the top oil-water separation tank of the flash tower, the other end of the light fuel oil discharge pipeline B is communicated with a light fuel oil discharge pipeline A, and the light fuel oil discharge pipeline B is serially connected with a reaction tower product pump;
the bottom center of the reactor is communicated with a bottom oil discharge pipeline of the flash tower, the reactor is communicated with the residual oil fractionating tower through a residual oil discharge pipeline A, the top center of the residual oil fractionating tower is provided with a residual oil light component discharge pipeline communicated with the residual oil fractionating tower, and the other end of the residual oil light component discharge pipeline is communicated with a residual oil tower top condenser;
a residual oil tower top oil discharge pipeline communicated with the residual oil tower top condenser is arranged at the bottom end of the residual oil tower top condenser, and a raw oil discharge pipeline B and a raw oil feeding pipeline B communicated with the residual oil tower top condenser are sequentially arranged at the side end of the residual oil tower top condenser from top to bottom;
a residual oil heavy component discharge pipeline communicated with the residual oil fractionating tower is arranged in the center of the bottom end of the residual oil fractionating tower, the other end of the residual oil heavy component discharge pipeline is communicated with the four-stage raw oil/residual oil heat exchanger, and a residual oil tower bottom pump is further arranged on the residual oil heavy component discharge pipeline in series; a residual oil heavy component feeding pipeline communicated with the fourth-stage raw oil/residual oil heat exchanger is arranged at the bottom end of the fourth-stage raw oil/residual oil heat exchanger, the other end of the residual oil heavy component feeding pipeline is communicated with a residual oil water cooler, and a residual oil discharging pipeline B communicated with the residual oil water cooler is also arranged at the bottom end of the residual oil water cooler;
and a raw oil discharge pipeline C and a raw oil feed pipeline C which are communicated with the four-stage raw oil/residual oil heat exchanger are also sequentially arranged at the side end of the four-stage raw oil/residual oil heat exchanger from top to bottom.
Furthermore, two flash evaporation tower top condensers are arranged on the water/light component discharge pipeline A in parallel.
Furthermore, two reactors are arranged in parallel between the bottom oil discharge pipeline of the flash tower and the residual oil discharge pipeline A.
Furthermore, two residual oil tower top condensers are arranged on a residual oil light component discharge pipeline in parallel.
Furthermore, two residual oil water coolers are arranged on the residual oil discharge pipeline B in parallel.
The utility model has the advantages that:
(1) the utility model discloses waste mineral oil regeneration pretreatment system sends the waste mineral oil that the sediment divide into to the flash column and carries out dehydration pretreatment, and water and light in the waste mineral oil evaporate from the top of the tower, go into the oil-water separator after the condenser condensation, and the water layer gets into the sewage treatment station after the oil-water separation and deals with, and noncondensable gas gets into the vacuum pump and discharges after leading to the combustion of heat oil boiler, and the oil reservoir is through the heat exchanger heat transfer, and the entering water cooler behind the gasification obtains fuel oil and stores; the heavy components from the bottom of the flash tower are pumped into a reaction feeding heating furnace for heating, the heavy components are gasified and then enter a residual oil fractionating tower, the materials enter a residual oil tower top condenser after water and a small amount of base oil volatile components are evaporated from the top of the fractionating tower, residual oil tower top oil is obtained, the heavy components in the materials are sequentially pumped into a heat exchanger and a residual oil water cooler from the bottom of the fractionating tower for processing, residual oil is obtained for storage, part of the base oil can be recovered, and effective resources are recycled;
(2) the utility model discloses waste mineral oil regeneration pretreatment systems, wherein, flash distillation overhead condenser, reactor, residual oil overhead condenser and residual oil water cooler are provided with a plurality ofly, and a plurality of devices are handled in the lump, can improve waste mineral oil regeneration pretreatment systems's treatment effeciency greatly.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Fig. 1 and fig. 2 are schematic structural diagrams of the waste mineral oil recycling pretreatment system of the present invention.
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 regenerating and pretreating waste mineral oil in the embodiment comprises a flash tower 1, a flash tower line measuring tank 2, a flash tower top condenser 3, a flash tower top oil-water separation tank 4, a raw oil/flash tower side line oil heat exchanger 5, a flash tower side line water cooler 6, a reaction feed heating furnace 7, a reactor 8, a residual oil fractionating tower 9, a residual oil tower top condenser 10, a four-stage raw oil/residual oil heat exchanger 11 and a residual oil water cooler 12, as shown in fig. 1 and 2.
The center of the top end of the flash tower 1 is provided with a water/light component discharge pipeline A communicated with the flash tower 1, the other end of the water/light component discharge pipeline A is communicated with a flash tower top condenser 3, and two flash tower top condensers 3 are arranged on the water/light component discharge pipeline A in parallel; the side top-down of flash column 1 upper portion has set gradually light fuel oil ejection of compact pipeline A and the fuel oil ejection of compact pipeline A with flash column 1 intercommunication, and the other end and the flash column survey line jar 2 intercommunication of fuel oil ejection of compact pipeline A, and the top center of this flash column survey line jar 2 is provided with the noncondensable gas pipeline of giving vent to anger with flash column survey line jar 2 intercommunication.
The flash tower measuring tank 2 is communicated with the raw oil/flash tower side line oil heat exchanger 5 through a fuel oil discharge pipeline B, and a flash tower measuring pump 13 is arranged on the fuel oil discharge pipeline B in series; the raw oil/flash tower side line oil heat exchanger 5 is also communicated with a fuel oil discharge pipeline C, and the fuel oil discharge pipeline C is serially connected with a flash tower side line water cooler 6; a raw oil discharge pipeline A and a raw oil feeding pipeline A which are communicated with the raw oil/flash tower side line oil heat exchanger 5 are sequentially arranged at one side end of the raw oil/flash tower side line oil heat exchanger 5 from top to bottom.
The bottom center of the flash tower 1 is provided with a heavy component discharge pipeline communicated with the flash tower 1, the other end of the heavy component discharge pipeline is communicated with the reaction feeding heating furnace 7, and the heavy component discharge pipeline is also provided with a flash tower bottom pump 14 in series.
A saturated steam inlet pipeline communicated with the reaction feeding heating furnace 7 is arranged on one side of the upper end of the reaction feeding heating furnace 7, an superheated steam outlet pipeline communicated with the reaction feeding heating furnace 7 is arranged on the other side of the upper end of the reaction feeding heating furnace 7, and a flash tower bottom oil outlet pipeline communicated with the reaction feeding heating furnace 7 is arranged on the reaction feeding heating furnace 7 below the superheated steam outlet pipeline.
The condenser 3 at the top of the flash tower is communicated with the oil-water separating tank 4 at the top of the flash tower through a water/light component discharging pipeline B, the light fuel oil discharging pipeline B communicated with the oil-water separating tank 4 at the top of the flash tower is further arranged at the bottom of the oil-water separating tank 4 at the top of the flash tower, the other end of the light fuel oil discharging pipeline B is communicated with the light fuel oil discharging pipeline A, and a reaction tower product pump 15 is arranged on the light fuel oil discharging pipeline B in series.
The center of the bottom end of the reactor 8 is communicated with a bottom oil discharge pipeline of the flash tower, the reactor 8 is communicated with a residual oil fractionating tower 9 through a residual oil discharge pipeline A, and the number of the reactors 8 is two and is arranged between the bottom oil discharge pipeline of the flash tower and the residual oil discharge pipeline A in parallel; a residual oil light component discharge pipeline communicated with the residual oil fractionating tower 9 is arranged in the center of the top end of the residual oil fractionating tower 9, and the other end of the residual oil light component discharge pipeline is communicated with a residual oil tower top condenser 10; two residual oil tower top condensers 10 are arranged on a residual oil light component discharge pipeline in parallel.
A residual oil tower top oil discharge pipeline communicated with the residual oil tower top condenser 10 is arranged at the bottom end of the residual oil tower top condenser 10, and a raw oil discharge pipeline B and a raw oil feeding pipeline B communicated with the residual oil tower top condenser 10 are sequentially arranged at the side end of the residual oil tower top condenser 10 from top to bottom.
A residual oil heavy component discharge pipeline communicated with the residual oil fractionating tower 9 is arranged in the center of the bottom end of the residual oil fractionating tower 9, the other end of the residual oil heavy component discharge pipeline is communicated with the four-stage raw oil/residual oil heat exchanger 11, and a residual oil tower bottom pump 16 is further arranged on the residual oil heavy component discharge pipeline in series; a residual oil heavy component feeding pipeline communicated with the fourth-stage raw oil/residual oil heat exchanger 11 is arranged at the bottom end of the fourth-stage raw oil/residual oil heat exchanger 11, the other end of the residual oil heavy component feeding pipeline is communicated with a residual oil water cooler 12, and a residual oil discharging pipeline B communicated with the residual oil water cooler 12 is also arranged at the bottom end of the residual oil water cooler 12; the residual oil water coolers 12 are arranged on the residual oil discharge pipeline B in parallel.
A raw oil discharge pipeline C and a raw oil feed pipeline C which are communicated with the four-stage raw oil/residual oil heat exchanger 11 are also sequentially arranged at the side end of the four-stage raw oil/residual oil heat exchanger 11 from top to bottom.
In the waste mineral oil regeneration pretreatment system, the precipitated waste mineral oil is sent to a flash tower 1 for dehydration pretreatment, water and light in the waste mineral oil are evaporated from the top of the tower and condensed by a condenser and then enter an oil-water separation tank, a water layer after oil-water separation enters a sewage treatment station for treatment, non-condensable gas enters a vacuum pump to be pumped to a heat-conducting oil boiler for combustion and then is discharged, an oil layer exchanges heat by a heat exchanger, and the gasified waste mineral oil enters a water cooler to obtain fuel oil for storage; and (2) pumping heavy components from the bottom of the flash tower 1 into a reaction feeding heating furnace for heating, gasifying, and then feeding the heavy components into a residual oil fractionating tower, evaporating water and a small amount of base oil volatile components from the top of the fractionating tower, then feeding the evaporated water and a small amount of base oil volatile components into a residual oil tower top condenser to obtain residual oil tower top oil, and sequentially pumping the heavy components in the materials into a heat exchanger and a residual oil water cooler from the bottom of the fractionating tower for treatment to obtain residual oil for storage, so that part of the base oil can be recovered, and effective.
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 (5)
1. The utility model provides a waste mineral oil regeneration pretreatment system which characterized in that: the system comprises a flash tower, a flash tower line measuring tank, a flash tower top condenser, a flash tower top oil-water separation tank, a raw oil/flash tower side line oil heat exchanger, a flash tower side line water cooler, a reaction feeding heating furnace, a reactor, a residual oil fractionating tower, a residual oil tower top condenser, a four-stage raw oil/residual oil heat exchanger and a residual oil water cooler;
a water/light component discharge pipeline A communicated with the flash tower is arranged in the center of the top end of the flash tower, and the other end of the water/light component discharge pipeline A is communicated with a condenser at the top of the flash tower; a light fuel oil discharge pipeline A and a fuel oil discharge pipeline A which are communicated with the flash tower are sequentially arranged at the side end of the upper part of the flash tower from top to bottom, the other end of the fuel oil discharge pipeline A is communicated with a flash tower measuring line tank, and a non-condensable gas outlet pipeline communicated with the flash tower measuring line tank is arranged at the center of the top end of the flash tower measuring line tank;
the flash tower line measuring tank is communicated with the raw oil/flash tower side line oil heat exchanger through a fuel oil discharge pipeline B, and a flash tower line measuring pump is arranged on the fuel oil discharge pipeline B in series; the raw oil/flash tower side line oil heat exchanger is also communicated with a fuel oil discharge pipeline C, and the fuel oil discharge pipeline C is serially connected with a flash tower side line water cooler; a raw oil discharge pipeline A and a raw oil feeding pipeline A which are communicated with the raw oil/flash tower side line oil heat exchanger are sequentially arranged at one side end of the raw oil/flash tower side line oil heat exchanger from top to bottom;
a heavy component discharge pipeline communicated with the flash tower is arranged in the center of the bottom end of the flash tower, the other end of the heavy component discharge pipeline is communicated with the reaction feeding heating furnace, and a flash tower bottom pump is also arranged on the heavy component discharge pipeline in series;
a saturated steam inlet pipeline communicated with the reaction feeding heating furnace is arranged on one side of the upper end of the reaction feeding heating furnace, a superheated steam outlet pipeline communicated with the reaction feeding heating furnace is arranged on the other side of the upper end of the reaction feeding heating furnace, and a flash tower bottom oil discharge pipeline communicated with the reaction feeding heating furnace is arranged on the reaction feeding heating furnace below the superheated steam outlet pipeline;
the top condenser of the flash tower is communicated with the top oil-water separation tank of the flash tower through a water/light component discharge pipeline B, the bottom of the top oil-water separation tank of the flash tower is also provided with a light fuel oil discharge pipeline B communicated with the top oil-water separation tank of the flash tower, the other end of the light fuel oil discharge pipeline B is communicated with a light fuel oil discharge pipeline A, and the light fuel oil discharge pipeline B is serially connected with a reaction tower product pump;
the bottom center of the reactor is communicated with a bottom oil discharge pipeline of the flash tower, the reactor is communicated with the residual oil fractionating tower through a residual oil discharge pipeline A, the top center of the residual oil fractionating tower is provided with a residual oil light component discharge pipeline communicated with the residual oil fractionating tower, and the other end of the residual oil light component discharge pipeline is communicated with a residual oil tower top condenser;
a residual oil tower top oil discharge pipeline communicated with the residual oil tower top condenser is arranged at the bottom end of the residual oil tower top condenser, and a raw oil discharge pipeline B and a raw oil feeding pipeline B communicated with the residual oil tower top condenser are sequentially arranged at the side end of the residual oil tower top condenser from top to bottom;
a residual oil heavy component discharge pipeline communicated with the residual oil fractionating tower is arranged in the center of the bottom end of the residual oil fractionating tower, the other end of the residual oil heavy component discharge pipeline is communicated with the four-stage raw oil/residual oil heat exchanger, and a residual oil tower bottom pump is further arranged on the residual oil heavy component discharge pipeline in series; a residual oil heavy component feeding pipeline communicated with the fourth-stage raw oil/residual oil heat exchanger is arranged at the bottom end of the fourth-stage raw oil/residual oil heat exchanger, the other end of the residual oil heavy component feeding pipeline is communicated with a residual oil water cooler, and a residual oil discharging pipeline B communicated with the residual oil water cooler is also arranged at the bottom end of the residual oil water cooler;
and a raw oil discharge pipeline C and a raw oil feed pipeline C which are communicated with the four-stage raw oil/residual oil heat exchanger are also sequentially arranged at the side end of the four-stage raw oil/residual oil heat exchanger from top to bottom.
2. The waste mineral oil recycling pretreatment system of claim 1, characterized in that: the flash tower top condensers are arranged on the water/light component discharge pipeline A in parallel.
3. The waste mineral oil recycling pretreatment system of claim 1, characterized in that: the two reactors are arranged in parallel between the bottom oil discharge pipeline of the flash tower and the residual oil discharge pipeline A.
4. The waste mineral oil recycling pretreatment system of claim 1, characterized in that: the two residual oil tower top condensers are arranged on a residual oil light component discharge pipeline in parallel.
5. The waste mineral oil recycling pretreatment system of claim 1, characterized in that: the residual oil water coolers are arranged on the residual oil discharge pipeline B in parallel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921616242.8U CN211079041U (en) | 2019-09-26 | 2019-09-26 | Waste mineral oil regeneration pretreatment system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921616242.8U CN211079041U (en) | 2019-09-26 | 2019-09-26 | Waste mineral oil regeneration pretreatment system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211079041U true CN211079041U (en) | 2020-07-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921616242.8U Expired - Fee Related CN211079041U (en) | 2019-09-26 | 2019-09-26 | Waste mineral oil regeneration pretreatment system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211079041U (en) |
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2019
- 2019-09-26 CN CN201921616242.8U patent/CN211079041U/en not_active Expired - Fee Related
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Granted publication date: 20200724 Termination date: 20210926 |