CN217499159U - Quinoline insoluble substance removing device in needle coke raw oil - Google Patents
Quinoline insoluble substance removing device in needle coke raw oil Download PDFInfo
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- CN217499159U CN217499159U CN202221580152.XU CN202221580152U CN217499159U CN 217499159 U CN217499159 U CN 217499159U CN 202221580152 U CN202221580152 U CN 202221580152U CN 217499159 U CN217499159 U CN 217499159U
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- needle coke
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Abstract
The utility model discloses a quinoline insoluble substance removing device in needle coke raw materials oil, this removing device include raw oil tank, steam heating subassembly, filtering component, press oil subassembly, blast the subassembly and strain the back oil tank. The steam heating assembly is used for heating the raw oil through steam. The filter assembly is used for filtering quinoline insoluble substances in the raw oil. The oil press assembly is used to blow inert gas into the filter assembly to return the remaining stock oil to the stock oil tank. The purging module is used for blowing high-temperature gas into the filter module so as to back purge quinoline insoluble substances enriched on the surface of the filter element of the filter module to the bottom of the filter module. The filtered oil tank is communicated with the oil outlet end of the filtering assembly and is used for storing and removing the treated raw oil. The sump oil tank is communicated with the bottom sewage discharge end of the filter assembly and is used for collecting quinoline insoluble substances. The utility model provides a quinoline insoluble substance desorption device in needle coke raw materials oil has improved quinoline insoluble substance desorption efficiency, easy operation.
Description
Technical Field
The utility model relates to a needle coke raw oil preparation technical field especially relates to a quinoline insoluble substance desorption device in needle coke raw materials oil.
Background
At present, methods for removing Quinoline Insoluble (QI) from needle coke raw oil mainly comprise a distillation method, a centrifugation method, a solvent method, a filtration method, a modification method and the like.
In an exemplary technique, the feedstock oil is first subjected to a heat treatment, followed by high speed centrifugation, followed by a heat treatment, followed by additive mixing, and finally filtration separation. In the removing process, QI of the coal tar which is separated and removed twice is separated out in the form of solid slag.
However, as the filtration is continuously carried out, quinoline insoluble substances are continuously enriched on the filter element of the filter, which affects the filtering effect of the filter, and leads to the decrease of QI removal rate; after the removal, the raw oil still remains in the filter, so that the oil yield is low.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a quinoline insoluble substance desorption device in needle coke raw materials oil aims at improving the oil quinoline insoluble substance desorption rate after straining to promote the oil yield.
In order to realize the above purpose, the utility model provides a quinoline insoluble substance removing device in needle coke raw materials oil, removing device includes:
a raw oil tank;
the oil inlet end of the steam heating assembly is communicated with the raw oil tank so as to heat the raw oil through steam;
the oil inlet end of the filtering assembly is communicated with the oil outlet end of the steam heating assembly so as to filter quinoline insoluble substances in the raw oil;
a pressure oil assembly in communication with the filter assembly for blowing inert gas into the filter assembly to return residual source oil to the source oil tank;
a purging assembly in communication with the filter assembly for blowing high temperature gas into the filter assembly to back purge quinoline insolubles concentrated on the surface of the filter element of the filter assembly to the bottom of the filter assembly;
the filtered oil tank is communicated with the oil outlet end of the filtering assembly and is used for storing and removing the treated raw oil; and
and the sump oil tank is communicated with the bottom sewage discharge end of the filtering assembly and is used for collecting quinoline insoluble substances.
Optionally, the heating temperature of the steam heating assembly is 250-320 ℃.
Optionally, the filtering pressure of the filtering component is 0.3-1.0 Mpa.
Optionally, the inert gas is nitrogen, and the pressure of the nitrogen is 0.25-0.35 MPa.
Optionally, the high-temperature gas is steam, and the pressure of the steam is 0.5-1.0 MPa.
Optionally, the temperature of the steam is 200-350 ℃.
Optionally, the filter assembly is a plurality of sets of filters arranged in parallel.
Optionally, the filter element of the filter is a metal sintered filter element.
Optionally, the removing device further comprises an unloading pump, and the unloading pump is communicated with the oil inlet end of the raw oil tank and is used for pumping the raw oil into the raw oil tank.
Optionally, the removal device further comprises a filter pump, and the filter pump is arranged on a pipeline between the raw oil tank and the steam heating assembly and used for adjusting the filtering pressure.
In the technical proposal of the utility model, the raw oil is heated by the steam heating component; then quinoline insoluble substances in the raw oil are filtered by a filtering component; then introducing the filtered raw oil into a filtered oil tank for storage; then, inert gas is blown into the filtering assembly through the oil pressing assembly so as to return the residual raw oil to the raw oil tank, thereby improving the yield of the oil product; high-temperature gas is blown into the filtering component through the purging component, so that quinoline insoluble substances enriched on the surface of the filter element of the filtering component are back purged to the bottom of the filtering component and then discharged into a dirty oil tank through a sewage discharge pipeline for collection, and further the removal rate of quinoline insoluble substances in the filtered oil product is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the prior art descriptions will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
FIG. 1 is a schematic structural diagram of an embodiment of a device for removing quinoline insoluble substances in an oil product as a raw material of needle coke.
The reference numbers illustrate:
10. a raw oil tank; 20. a steam heating assembly; 30. a filter assembly; 40. a pressure oil assembly; 50. purging the assembly; 60. filtering the oil tank; 70. a sump oil tank; 11. unloading the pump; 12. a filter pump; 31. a filter; 71. a sewage draining pipeline.
The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.
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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that, if directional indications (such as upper, lower, left, right, front and rear … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indications are changed accordingly.
In addition, if there is a description relating to "first", "second", etc. in the embodiments of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, if appearing throughout the text, "and/or" is meant to include three juxtaposed aspects, taking "A and/or B" as an example, including either the A aspect, or the B aspect, or both A and B satisfied aspects. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.
The utility model provides a quinoline insoluble substance desorption device in needle coke raw materials oil.
Referring to fig. 1, in an embodiment of the present invention, the device for removing quinoline insoluble substances in needle coke raw oil comprises a raw oil tank 10, a steam heating assembly 20, a filtering assembly 30, a pressure oil assembly 40, a purging assembly 50 and a post-filtration oil tank 60. The oil inlet end of the steam heating assembly 20 is communicated with the raw oil tank 10 for heating the raw oil to a certain temperature through steam. The oil inlet end of the filtering assembly 30 is communicated with the oil outlet end of the steam heating assembly 20 so as to filter quinoline insoluble substances in the raw oil. The oil pumping assembly 40 communicates with the filter assembly 30 for blowing inert gas into the filter assembly 30 to return the remaining raw oil to the raw oil tank 10. The purge assembly 50 is in communication with the filter assembly 30 for blowing high temperature gas into the filter assembly 30 for a period of time to back-purge quinoline insolubles accumulated on the surface of the filter element of the filter assembly 30 to the bottom of the filter assembly 30. The filtered oil tank 60 is communicated with the oil outlet end of the filter assembly 30 for storing the raw oil after the removal process. A sump tank 70 communicates with the bottom blowdown end of the filter assembly 30 for collecting quinoline insolubles.
In this embodiment, the raw oil tank 10 is used for storing raw oil, and the raw oil from the raw oil tank 10 can be pumped into the raw oil tank by the unloading pump 11.
The steam heating component 20 can adopt a steam heat exchanger, raw oil is subjected to steam heating treatment through high-temperature steam, and the steam heat exchanger can heat the raw oil to 250-320 ℃ from 60-120 ℃.
The filtering assembly 30 can adopt a plurality of groups of filters 31 arranged in parallel, thereby greatly improving the filtering efficiency and avoiding the complete stop of the removing work caused by the failure of a single filter 31. The filter 31 can adopt a high-precision metal sintered filter element, the filtering precision can be controlled to be 3-10 mu m, the filtering pressure can be controlled to be 0.3-1.0 MPa, and the quinoline insoluble substance in the raw oil product can be effectively reduced to be lower than 0.05 percent from about 0.5 percent.
The oil pressing assembly 40 can adopt an inert gas oil pressing pipeline such as nitrogen, and the oil pressing pipeline can be communicated with the upper part of the filter 31, so that all raw oil and filtered oil remained in the filter 31 can be pressed into the raw oil tank 10. It is worth noting that nitrogen pressure and flow rate of nitrogen pressure oil need to be controlled, quinoline insoluble substances enriched on the surface of the filter element are prevented from being blown into raw oil, and the nitrogen pressure can be controlled to be 0.25-0.35 MPa.
The purging assembly 50 may employ a high temperature gas purging line such as steam which may be provided at the outlet end at the top of the filter 31 with a blowdown end at the bottom of the filter 31, the blowdown end being provided with a blowdown line. The utility model discloses utilize the high temperature of steam, high pressure characteristic, with the quinoline insoluble that gathers on the filter core surface anti-purge to filter 31 bottom, collect in rethread blowdown pipeline 71 discharges to sump oil tank 70.
It should be noted that once back purging of the steam can last for 5-10 minutes, the steam pressure can be controlled at 0.5-1.0 MPa, the temperature of the steam can be controlled at 200-350 ℃, the steam can be purged repeatedly for many times, and the purged filter 31 can be put into operation again.
In addition, in this embodiment, the pipeline between the raw oil tank 10 and the steam heating assembly 20 may be provided with a filter pump 12 for adjusting the filtering pressure, so as to control the filtering pressure of the raw oil within a reasonable range, i.e., within 0.3-1.0 MPa, thereby improving the filtering effect. In addition, the flow of the raw oil can be accelerated, thereby improving the production efficiency.
It can be understood that the utility model heats the raw oil to the target temperature through the steam heating component 20; then quinoline insoluble substances in the raw oil are filtered by a filter assembly 30; then the filtered raw oil is introduced into a filtered oil tank 60 for storage; then, inert gas is blown into the filtering assembly 30 through the oil pressing assembly 40 to return the residual raw oil to the raw oil tank 10, so that the oil yield is improved; high-temperature gas is blown into the filtering assembly 30 through the purging assembly 50, so that quinoline insoluble substances enriched on the surface of the filter element of the filtering assembly 30 are reversely purged to the bottom of the filtering assembly 30 and then discharged into the sump oil tank 70 through the sewage discharge pipeline 71 for collection, and further the removal rate of quinoline insoluble substances in the filtered oil product is improved. The whole process is simple to operate, and the removal efficiency of the quinoline insoluble substance is high.
The above is only the optional embodiment of the present invention, and not the scope of the present invention is limited thereby, all the equivalent structure changes made by the contents of the specification and the drawings are utilized under the inventive concept of the present invention, or the direct/indirect application in other related technical fields is included in the patent protection scope of the present invention.
Claims (10)
1. A quinoline insoluble substance remove device in needle coke raw materials oil, characterized in that, the remove device includes:
a raw oil tank;
the oil inlet end of the steam heating assembly is communicated with the raw oil tank so as to heat the raw oil through steam;
the oil inlet end of the filtering assembly is communicated with the oil outlet end of the steam heating assembly so as to filter quinoline insoluble substances in the raw oil;
a pressure oil assembly in communication with the filter assembly for blowing inert gas into the filter assembly to return residual source oil to the source oil tank;
a purging assembly in communication with the filter assembly for blowing high temperature gas into the filter assembly to back purge quinoline insolubles concentrated on the surface of the filter element of the filter assembly to the bottom of the filter assembly;
the filtered oil tank is communicated with the oil outlet end of the filtering assembly and is used for storing and removing the treated raw oil; and
and the sump oil tank is communicated with the bottom sewage discharge end of the filtering assembly and is used for collecting quinoline insoluble substances.
2. The device for removing quinoline insolubles in a needle coke raw oil product as claimed in claim 1, wherein the heating temperature of the steam heating component is 250-320 ℃.
3. The device for removing quinoline insolubles in a needle coke raw oil product as claimed in claim 1, wherein the filtration pressure of the filtration component is 0.3-1.0 Mpa.
4. The device for removing quinoline insolubles in a needle coke raw oil product as claimed in claim 1, wherein the inert gas is nitrogen, and the pressure of the nitrogen is 0.25-0.35 MPa.
5. The device for removing quinoline insolubles in a needle coke raw oil product as claimed in claim 1, wherein the high temperature gas is steam, and the pressure of the steam is 0.5-1.0 MPa.
6. The device for removing quinoline insolubles in a needle coke raw oil product as claimed in claim 5, wherein the temperature of the steam is 200-350 ℃.
7. The device for removing quinoline insolubles in a needle coke raw oil product as defined in any one of claims 1 to 6, wherein the filtering component is a plurality of sets of filters arranged in parallel.
8. The apparatus for removing quinoline insolubles in a needle coke raw oil according to claim 7, wherein the filter element of the filter is a metal sintered filter element.
9. The device for removing quinoline insoluble substances in a needle coke raw oil product as claimed in any one of claims 1 to 6, further comprising an unloading pump, wherein the unloading pump is communicated with the oil inlet end of the raw oil tank and is used for pumping the raw oil into the raw oil tank.
10. The device for removing quinoline insolubles in a needle coke raw oil product according to any one of claims 1 to 6, wherein the device further comprises a filter pump, and the filter pump is arranged on a pipeline between the raw oil tank and the steam heating component for adjusting the filtering pressure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221580152.XU CN217499159U (en) | 2022-06-22 | 2022-06-22 | Quinoline insoluble substance removing device in needle coke raw oil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221580152.XU CN217499159U (en) | 2022-06-22 | 2022-06-22 | Quinoline insoluble substance removing device in needle coke raw oil |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217499159U true CN217499159U (en) | 2022-09-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221580152.XU Active CN217499159U (en) | 2022-06-22 | 2022-06-22 | Quinoline insoluble substance removing device in needle coke raw oil |
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| Country | Link |
|---|---|
| CN (1) | CN217499159U (en) |
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2022
- 2022-06-22 CN CN202221580152.XU patent/CN217499159U/en active Active
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