CN215209258U - Novel petroleum product solvent refining system - Google Patents
Novel petroleum product solvent refining system Download PDFInfo
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- CN215209258U CN215209258U CN202120765453.9U CN202120765453U CN215209258U CN 215209258 U CN215209258 U CN 215209258U CN 202120765453 U CN202120765453 U CN 202120765453U CN 215209258 U CN215209258 U CN 215209258U
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Abstract
The utility model discloses a novel petroleum product solvent refining system, including solvent input pipeline, oil input pipeline, the delivery outlet of solvent input pipeline and oil input pipeline and static mixer's input connection, static mixer's delivery outlet is connected with separator. The mixing mode of the utility model adopts the static mixer to carry out forced mixing, the mixing speed is high, the mixing effect is good, and the best extraction refining effect can be ensured; and the high-speed centrifuge is adopted to realize the separation of three phases of mixture liquid-solid, the separation efficiency is high, the separation precision is high, the material entrainment after the separation is less, and the solvent refining separation effect is improved.
Description
Technical Field
The utility model relates to a petroleum processing technology field especially relates to a novel petroleum product solvent refining system.
Background
At present, the known solvent refining process related to petroleum products such as base oil mainly adopts a countercurrent extraction tower, petroleum product materials and a solvent enter the extraction tower from the bottom and the top of the extraction tower respectively, countercurrent contact extraction is realized in the extraction tower, then layering and separation are realized according to the density difference of the materials and the solvent, the extraction tower generally adopts the structural form of a packed tower, and the process and equipment system are mature, have more industrial application and can be suitable for large-scale industrial production processes. However, the traditional refining process and equipment have more problems, firstly, the packed tower and matched equipment selected by the process are relatively large in investment, secondly, the separation process is only layered and separated according to the density difference of materials, the problem of entrainment of the separated materials and solvent materials is relatively serious, the entrainment of the materials is over 5 percent when the materials and the solvent materials are serious, the refining effect of the solvent is seriously influenced, in addition, the refining process needs to continuously and stably feed and produce, more mixed materials exist in the packed tower when the process is stopped and the production is stopped, the loss is relatively large, and the production process is not flexible for small-scale production enterprises.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects existing in the prior art and providing a novel petroleum product solvent refining system.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a novel petroleum product solvent refining system, includes solvent input pipeline, oil input pipeline, the delivery outlet of solvent input pipeline and the delivery outlet of oil input pipeline and static mixer's input connection, static mixer's delivery outlet is connected with separator.
Preferably, the separation device comprises a primary separator, a secondary separator and a tertiary separator which are connected in series, and the static mixer comprises a primary static mixer, a secondary static mixer and a tertiary static mixer.
Preferably, the oil input pipeline is connected with the input port of the first-stage static mixer through an oil first-stage metering pump, the output port of the first-stage static mixer is connected with the input port of the first-stage separator, the light phase output port of the first-stage separator is connected with the input port of the second-stage static mixer through an oil second-stage metering pump, the heavy phase output port of the first-stage separator enters the solvent recovery device through the solvent recovery pump, the output port of the second-stage static mixer is connected with the input port of the second-stage separator, the light phase output port of the second-stage separator is connected with the input port of the third-stage static mixer through an oil third-stage metering pump, the heavy phase output port of the second-stage separator is connected with the input port of the first-stage static mixer through a solvent first-stage metering pump, the output port of the third-stage static mixer is connected with the input port of the third-stage separator, and the light phase output port of the third-stage separator is connected with the desolventizing device, and a heavy phase output port of the third-stage separator is connected with an input port of the second-stage static mixer through a solvent second-stage metering pump, and a solvent input pipeline is connected with an input port of the third-stage static mixer through a solvent third-stage metering pump.
Preferably, the slag discharge ports of the primary separator, the secondary separator and the tertiary separator are connected with the input port of the slag discharge tank, the output port of the slag discharge tank is connected with a slag discharge pump, and the output port of the slag discharge pump is connected with the solvent recovery device.
Preferably, a solvent circulation storage tank is arranged on the solvent input pipeline, and an output port of the solvent circulation storage tank is connected with the first-stage separator, the second-stage separator and the third-stage separator through a cleaning pump.
Preferably, the solvent input pipeline and the oil input pipeline are provided with heaters.
The utility model discloses following beneficial effect has:
1. the mixing mode of the utility model adopts the static mixer to carry out forced mixing, has high mixing speed and good mixing effect, and can ensure the best extraction refining effect; the separation of the mixture liquid-solid three phases is realized by adopting a high-speed centrifuge, the separation efficiency is high, the separation precision is high, the entrainment of the separated materials is less, and the solvent refining separation effect is improved;
2. the utility model adopts the metering pump to accurately control the feeding rate, and the feeding rate can be adjusted and set arbitrarily according to the dosage-oil ratio required by the working condition;
3. the utility model discloses an equipment system stock few, the flexible operation, the solvent refining workshop section of specially adapted middle-size and small-size production type enterprise, equipment investment is little, and area is little.
Drawings
FIG. 1 is a schematic structural diagram of a novel petroleum product solvent refining system proposed by the present invention;
in the figure: 1 solvent input pipeline, 2 oil input pipeline, 3 static mixer, 31 first-stage static mixer, 32 second-stage static mixer, 33 third-stage static mixer, 4 separation device, 41 first-stage separator, 42 second-stage separator, 43 third-stage separator, 51 first-stage oil metering pump, 52 second-stage oil metering pump, 53 third-stage oil metering pump, 61 first-stage solvent metering pump, 62 second-stage solvent metering pump, 63 third-stage solvent metering pump, 7 solvent recovery pump, 8 solvent recovery device, 9 desolventizing device, 10 solvent circulation storage tank, 11 cleaning pump, 12 deslagging tank, 13 extraction pump and 14 heater.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Referring to fig. 1, a novel petroleum product solvent refining system comprises a solvent input pipeline 1 and an oil input pipeline 2, wherein an output port of the solvent input pipeline 1 and an output port of the oil input pipeline 2 are connected with an input port of a static mixer 3, and an output port of the static mixer 3 is connected with a separating device 4. The separation device 4 includes a primary separator 41, a secondary separator 42, and a tertiary separator 43 connected in series, and the static mixer 3 includes a primary static mixer 31, a secondary static mixer 32, and a tertiary static mixer 33.
The oil input pipeline 2 is connected with the input port of the first-stage static mixer 31 through an oil first-stage metering pump 51, a heater 14 is arranged between the oil first-stage metering pump 51 and the first-stage static mixer 31, the output port of the first-stage static mixer 31 is connected with the input port of the first-stage separator 41, the light phase output port of the first-stage separator 41 is connected with the input port of the second-stage static mixer 32 through an oil second-stage metering pump 52, the heavy phase output port of the first-stage separator 41 enters the solvent recovery device 8 through a solvent recovery pump 7, the output port of the second-stage static mixer 32 is connected with the input port of the second-stage separator 42, the light phase output port of the second-stage separator 42 is connected with the input port of the third-stage static mixer 33 through a third-stage oil metering pump 53, the heavy phase output port of the second-stage separator 42 is connected with the input port of the first-stage static mixer 31 through a solvent first-stage metering pump 61, and the output port of the third-stage static mixer 33 is connected with the input port of the third-stage separator 43, the light phase output port of the third-stage separator 43 is connected with the desolventizing device 9, the heavy phase output port of the third-stage separator 43 is connected with the input port of the second-stage static mixer 32 through a solvent second-stage metering pump 62, the solvent input pipeline 1 is connected with the input port of the third-stage static mixer 33 through a solvent third-stage metering pump 63, and the solvent third-stage metering pump 63 and the third-stage static mixer 33 are provided with heaters 14.
The solvent input pipeline 1 is provided with a solvent circulation storage tank 10, and the output port of the solvent circulation storage tank 10 is connected with a first-stage separator 41, a second-stage separator 42 and a third-stage separator 43 through a cleaning pump 11. The slag discharge ports of the first-stage separator 41, the second-stage separator 42 and the third-stage separator 43 are connected to the input port of the slag discharge tank 12, the output port of the slag discharge tank 12 is connected to the slag discharge pump 13, and the output port of the slag discharge pump 13 is connected to the solvent recovery device 8.
The utility model discloses its functional principle is explained to following mode of operation of accessible: when the device is used, oil is heated by the heater 14 through the oil input pipe 2 and the oil first-stage metering pump 51 and then enters the first-stage static mixer, solvent enters the solvent circulation storage tank 10 through the solvent input pipe 1, the solvent is heated by the heater 14 through the solvent third-stage metering pump 63 and then enters the third-stage static mixer, and then the solvent enters the third-stage separator and the third-stage separator to be conveyed to the second-stage static mixer and the first-stage static mixer to be mixed with the oil.
The feeding of oil and solvent is controlled by a metering pump after being heated, the ratio of agent to oil can be adjusted at will according to production requirements, for example, the solvent refining process of base oil, the ratio of agent to oil is 1.1:1, the feeding speed of the metering pump is adjusted according to the ratio of agent to oil until the specified requirements are met, an outlet of the metering pump is connected with a static mixer, the materials and the solvent are mixed quickly and efficiently in the mixer, the mixing pressure of the mixer is more than or equal to 0.3MPa to ensure the optimal mixing effect, an outlet of the static mixer is connected with an inlet of a high-speed separator, the mixed materials enter the high-speed separator from the inlet, liquid-solid three-phase separation is realized in the separator, and the rotating speed of the separator is more than or equal to 4500 r/min.
The primary separator 41, the secondary separator 42 and the tertiary separator 43 are connected in series, the oil separated by the primary separator 41 is further refined in the secondary static mixer 32 and the secondary separator 42, the oil separated by the secondary separator 42 is further refined in the tertiary static mixer 33 and the tertiary separator 43, and the oil and the solvent adopt a feeding form of countercurrent contact in the whole equipment system, so that the optimal solvent refining effect can be ensured.
The utility model discloses utilize the density difference of oil and solvent, adopt the centrifugal separation technique to make separation efficiency increase 1000 times, separation effect is obviously superior to traditional filler extraction tower, and the material smugglies less than or equal to 1% secretly, can fall to 0.2% minimum, has improved refined effect and efficiency of solvent greatly. Meanwhile, the equipment system has few material storage, less waste materials generated by starting and stopping operation and more flexible operation, and is particularly suitable for the solvent refining section of small and medium-sized production enterprises.
The above, only be the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any technical solution and the utility model thereof should be covered within the protection scope of the present invention.
Claims (6)
1. The utility model provides a novel petroleum product solvent refining system, its characterized in that, includes solvent input pipeline, oil input pipeline, the delivery outlet of solvent input pipeline and the delivery outlet of oil input pipeline and static mixer's input connection, static mixer's delivery outlet is connected with separator.
2. The novel petroleum product solvent refining system of claim 1, wherein the separation device comprises a primary separator, a secondary separator and a tertiary separator in series, and the static mixer comprises a primary static mixer, a secondary static mixer and a tertiary static mixer.
3. The system of claim 2, wherein the oil input pipeline is connected to the input port of the first static mixer through a first oil metering pump, the output port of the first static mixer is connected to the input port of the first separator, the light phase output port of the first separator is connected to the input port of the second static mixer through a second oil metering pump, the heavy phase output port of the first separator enters the solvent recovery device through a solvent recovery pump, the output port of the second static mixer is connected to the input port of the second separator, the light phase output port of the second separator is connected to the input port of the third static mixer through a third oil metering pump, the heavy phase output port of the second separator is connected to the input port of the first static mixer through a first solvent metering pump, the output port of the third-stage static mixer is connected with the input port of the third-stage separator, the light phase output port of the third-stage separator is connected with the desolventizing device, the heavy phase output port of the third-stage separator is connected with the input port of the second-stage static mixer through a solvent second-stage metering pump, and the solvent input pipeline is connected with the input port of the third-stage static mixer through a solvent third-stage metering pump.
4. The novel petroleum product solvent refining system of claim 3, wherein the slag discharge ports of the primary separator, the secondary separator and the tertiary separator are connected with the input port of the slag discharge tank, the output port of the slag discharge tank is connected with a slag discharge pump, and the output port of the slag discharge pump is connected with the solvent recovery device.
5. The system of claim 3, wherein the solvent input line is provided with a solvent circulation tank, and an output port of the solvent circulation tank is connected to the first-stage separator, the second-stage separator and the third-stage separator via a cleaning pump.
6. The system as claimed in claim 1, wherein the solvent input line and the oil input line are provided with heaters.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120765453.9U CN215209258U (en) | 2021-04-14 | 2021-04-14 | Novel petroleum product solvent refining system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120765453.9U CN215209258U (en) | 2021-04-14 | 2021-04-14 | Novel petroleum product solvent refining system |
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| Publication Number | Publication Date |
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| CN215209258U true CN215209258U (en) | 2021-12-17 |
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| CN202120765453.9U Active CN215209258U (en) | 2021-04-14 | 2021-04-14 | Novel petroleum product solvent refining system |
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| CN (1) | CN215209258U (en) |
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2021
- 2021-04-14 CN CN202120765453.9U patent/CN215209258U/en active Active
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