CN211847821U - Catalytic cracking slurry oil filter equipment - Google Patents
Catalytic cracking slurry oil filter equipment Download PDFInfo
- Publication number
- CN211847821U CN211847821U CN202020247255.9U CN202020247255U CN211847821U CN 211847821 U CN211847821 U CN 211847821U CN 202020247255 U CN202020247255 U CN 202020247255U CN 211847821 U CN211847821 U CN 211847821U
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- Prior art keywords
- oil
- slurry
- filtering device
- catalytic cracking
- slurry oil
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- 239000002002 slurry Substances 0.000 title claims abstract description 123
- 238000004523 catalytic cracking Methods 0.000 title claims abstract description 42
- 238000001914 filtration Methods 0.000 claims abstract description 74
- 239000002994 raw material Substances 0.000 claims abstract description 33
- 239000007788 liquid Substances 0.000 claims abstract description 32
- 239000012141 concentrate Substances 0.000 claims abstract description 20
- 239000000463 material Substances 0.000 claims description 25
- 238000010438 heat treatment Methods 0.000 claims description 17
- 239000012528 membrane Substances 0.000 claims description 13
- 238000005485 electric heating Methods 0.000 claims description 11
- 239000012535 impurity Substances 0.000 abstract description 14
- 238000007599 discharging Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 7
- 239000007787 solid Substances 0.000 description 6
- 230000000694 effects Effects 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 239000003054 catalyst Substances 0.000 description 2
- 239000000919 ceramic Substances 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003915 liquefied petroleum gas Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- TVMXDCGIABBOFY-UHFFFAOYSA-N octane Chemical compound CCCCCCCC TVMXDCGIABBOFY-UHFFFAOYSA-N 0.000 description 1
- 239000003129 oil well Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
- C10G31/00—Refining of hydrocarbon oils, in the absence of hydrogen, by methods not otherwise provided for
- C10G31/11—Refining of hydrocarbon oils, in the absence of hydrogen, by methods not otherwise provided for by dialysis
Abstract
The utility model relates to a petrochemical field discloses a catalytic cracking slurry oil filter equipment. The catalytic cracking oil slurry filtering device comprises an oil slurry raw material tank, a first filtering device and a second filtering device, wherein a feeding port of the first filtering device is connected with a discharging end of the oil slurry raw material tank through a feeding device, a first concentrated liquid outlet of the first filtering device is connected with a first concentrated liquid pipe and a second concentrated liquid pipe in parallel, the first concentrated liquid pipe is connected with a first feeding end of the oil slurry raw material tank, a first control valve is arranged on the first concentrated liquid pipe, and the first filtering device comprises a first purified oil outlet; the pan feeding mouth and the second concentrate pipe of second filter equipment are connected, are provided with the second control valve on the second concentrate pipe, and second filter equipment's second purifies oil export and the second feed end intercommunication of slurry oil head tank. The catalytic cracking slurry oil filtering device can well ensure the stability of the concentration of impurities in the circulating slurry oil in practical use.
Description
Technical Field
The utility model relates to a petrochemical field specifically, relates to a catalytic cracking slurry oil filter equipment.
Background
Catalytic Cracking (FCC) is one of the important secondary processing means in the oil refining industry, and is the main apparatus for producing liquefied petroleum gas and high octane gasoline. The solid content of the catalyst in the oil slurry at the bottom of the tower is about 2000-6000 ppm, and the catalyst remained in the material can corrode downstream equipment and pipelines, so that the reutilization and sales value of the oil slurry are influenced.
At present, the industrial removal of solid particles in catalytic cracking slurry oil generally adopts a sedimentation method, a cyclone separation method, an electrostatic separation method and a filtration method. The filtering method is the main method for purifying the catalytic cracking slurry oil due to the advantages of simple equipment, low investment, reliable performance and the like. The prior art discloses catalytic cracking slurry oil filtration equipment, and the catalytic cracking slurry oil filtration equipment has large filtration flow and good impurity removal effect. However, in practical use, the catalytic cracking slurry oil filtering device cannot ensure that the temperature of the raw slurry oil entering the filtering process is in a proper range, thereby affecting the filtering effect; in addition, along with the use, the impurity elements in the circulating slurry oil are continuously enriched, so that the concentration of the impurities in the slurry oil is unstable, and the subsequent treatment is influenced.
SUMMERY OF THE UTILITY MODEL
The utility model provides a catalytic cracking slurry oil filter equipment, this catalytic cracking slurry oil filter equipment can ensure the stability of impurity concentration in the circulating slurry oil well in the in-service use.
In order to achieve the above object, the utility model provides a catalytic cracking slurry oil filter equipment includes slurry oil head tank, first filter equipment and second filter equipment, the pan feeding mouth of first filter equipment pass through material feeding unit with the discharge end of slurry oil head tank is connected, the first concentrate export of first filter equipment is parallelly connected with first concentrate pipe and second concentrate pipe, first concentrate pipe and the first feed end of slurry oil head tank are connected, be provided with the first control valve on the first concentrate pipe, first filter equipment includes first purified oil outlet; the pan feeding mouth of second filter equipment with second concentrate pipe connects, be provided with the second control valve on the second concentrate pipe, second filter equipment's second purify oil export with the second feed end intercommunication of slurry oil head tank.
In the catalytic cracking slurry oil filtering device, a first concentrated liquid outlet of a first filtering device is connected with a first concentrated liquid pipe and a second concentrated liquid pipe in parallel, a feeding port of a second filtering device is connected with the second concentrated liquid pipe, a second control valve is arranged on the second concentrated liquid pipe, and a second purified oil outlet of the second filtering device is communicated with a second feeding end of a slurry oil raw material tank, so that when the solid content of catalytic cracking slurry oil in the slurry oil raw material tank is about to exceed or exceed a preset value, the second control valve is opened, at least a part of concentrated liquid output by the first filtering device is conveyed to the second filtering device, purified oil obtained by filtering of the second filtering device is input into the slurry oil raw material tank to be mixed with the concentrated slurry oil, the content of impurities in the concentrated slurry oil is reduced, the solid content of catalytic cracking slurry oil in the slurry oil raw material tank is reduced to be below the preset value, and the stability of the concentration of the impurities in circulating slurry oil can be well ensured, the purified oil with stable impurity concentration is obtained at the purified oil outlet of the first membrane filter, and the treatment effect of the subsequent process is ensured.
Further, the second filtering device comprises a liquid storage cavity with a second concentrated liquid outlet.
Furthermore, the catalytic cracking slurry oil filtering device also comprises a temperature adjusting device for adjusting the temperature of the slurry oil raw material entering the slurry oil raw material tank.
Further, the temperature adjusting device is an electric heating device arranged in the oil slurry raw material tank.
Further, the electric heating device is a spiral heating coil provided on an inner peripheral surface of the slurry material tank.
Furthermore, the oil slurry raw material tank is provided with a raw oil feeding connecting pipe section, and the raw oil feeding connecting pipe section is wrapped with a heating unit.
Further, the first filtration device is a cross-flow membrane filter, and the second filtration device is a dead-end filter.
Drawings
Fig. 1 is a schematic structural diagram of a catalytic cracking slurry oil filtering device according to an embodiment of the present invention.
Description of the reference numerals
1-slurry oil raw material tank, 2-feeding device, 3-first filtering device, 4-first concentrated liquid pipe, 5-first purified oil outlet, 6-second concentrated liquid outlet, 7-second filtering device, 8-connecting pipe, 9-spiral heating coil, 10-first control valve, 11-second control valve, 12-second concentrated liquid pipe and 13-raw oil feeding connecting pipe section.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.
In a first aspect, a catalytic cracking slurry oil filtering apparatus according to an embodiment of the present invention is described below with reference to the accompanying drawings, as shown in fig. 1, the catalytic cracking slurry oil filtering apparatus includes a slurry oil raw material tank 1, a first filtering apparatus 3 and a second filtering apparatus 7, wherein a feeding port of the first filtering apparatus 3 is connected to a discharging end of the slurry oil raw material tank 1 through a feeding device 2, a first concentrate outlet of the first filtering apparatus 3 is connected in parallel to a first concentrate pipe 4 and a second concentrate pipe 12, the first concentrate pipe 4 is connected to a first feeding end of the slurry oil raw material tank 1, the first concentrate pipe 4 is provided with a first control valve 10, and the first filtering apparatus 3 includes a first purified oil outlet 5; the feeding port of the second filtering device 7 is connected to a second concentrate pipe 12, a second control valve 11 is disposed on the second concentrate pipe 12, and a second purified oil outlet of the second filtering device 7 is connected to the second feeding end of the slurry material tank 1, for example, the second purified oil outlet of the second filtering device 7 is connected to the second feeding end of the slurry material tank 1 through a connecting pipe 8.
In the catalytic cracking slurry oil filtering device, as the first concentrated liquid outlet of the first filtering device 3 is connected in parallel with the first concentrated liquid pipe 4 and the second concentrated liquid pipe 12, the feeding port of the second filtering device 7 is connected with the second concentrated liquid pipe 12, the second concentrated liquid pipe 12 is provided with the second control valve 11, the second purified oil outlet of the second filtering device 7 is communicated with the second feeding end of the slurry oil raw material tank 1, thus, when the solid content of the catalytic cracking slurry oil in the slurry oil raw material tank 1 is about to exceed or exceed the preset value, the second control valve 11 is opened, so that at least a part of the concentrated liquid output by the first filtering device 3 is conveyed to the second filtering device 7, the purified oil obtained by filtering by the second filtering device 7 is input into the slurry oil raw material tank 1 to be mixed with the concentrated slurry oil, the content of impurities in the concentrated slurry oil is reduced, and the solid content of the catalytic cracking slurry oil in the slurry oil raw material tank is reduced to be below the preset value, therefore, the stability of the impurity concentration in the circulating slurry oil can be well ensured, purified oil with stable impurity concentration can be obtained at the purified oil outlet of the first membrane filter, and the treatment effect of the subsequent process is ensured. For example, during subsequent processing, stable processing results can be obtained by maintaining relatively fixed process parameters.
In practical use of the catalytic cracking slurry oil filtering device, the concentrated solution filtered in the second filtering device 7 can be directly discharged from the second filtering device 7 to enter an external liquid storage tank or enter a subsequent processing device. Or, alternatively, considering that the frequency of use of the second filter unit 7 is less than that of the first filter unit 3, the second filter unit 7 may comprise a reservoir having a second concentrate outlet 6, so that the concentrate filtered in the second filter unit 7 may be temporarily stored in the reservoir for later use when required, or discharged from the second concentrate outlet 6 after the reservoir reaches an upper limit.
In addition, referring to fig. 1, the catalytic cracking slurry oil filtering device further comprises a temperature adjusting device for adjusting the temperature of the slurry oil raw material entering the slurry oil raw material tank 1. Like this, through this attemperator, can carry out the attemperation for example heating or cooling to the catalytic cracking slurry oil in slurry oil head tank 1 in order to guarantee that the slurry oil temperature is in suitable scope, prevent to block up pipeline or filter equipment.
Of course, the temperature adjusting device can be arranged at any position to adjust the temperature of the catalytic cracking slurry oil, such as heating. For example, the temperature adjustment means may be provided on the slurry feed pipe of the slurry feed tank 1 to heat the slurry feed as it enters the slurry feed tank 1. Alternatively, as shown in fig. 1, the temperature control device is an electric heating device provided in the slurry material tank 1, so that the slurry material can be heated by the electric heating device if the temperature is low after entering the slurry material tank 1, or the cold slurry material can be heated after entering the slurry material tank 1.
In addition, the temperature adjusting device may be, in addition to the electric heating device, a hydrothermal device that utilizes heat in hot water for heating, for example, the hydrothermal device may be a heat exchange jacket having a hot water inlet and a hot water outlet, and the heat exchange jacket is sleeved outside the slurry material tank 1 or on the slurry material feeding pipe of the slurry material tank 1.
In addition, the electric heating device may have various configurations, for example, the electric heating device may be a heating jacket that is fitted over the inner circumferential surface of the slurry material tank 1, or the outer circumferential surface of the slurry material tank 1, or as shown in fig. 1, the electric heating device may be a spiral heating coil 9 provided on the inner circumferential surface of the slurry material tank 1. The spiral heating coil 9 may be provided at the bottom of the slurry material tank 1, and may extend from the bottom to the top of the slurry material tank 1. After the energization, the spiral heating coil 9 may first heat the slurry material in the bottom of the slurry material tank 1 (when the axis of the slurry material tank 1 is placed vertically). For example, the heating temperature of the helical heating coil 9 may be controlled to 220-300 ℃.
In addition, as shown in fig. 1, the slurry tank 1 has a raw oil feeding connection pipe section 13, and the raw oil feeding connection pipe section 13 is wrapped with a heating unit, so that an external feeding pipe can be connected to the raw oil feeding connection pipe section 13 to feed the slurry material to the slurry tank 1, and when necessary, the slurry material passing through the raw oil feeding connection pipe section 13 can be heated by the heating unit, which can be a water heating jacket or an electric heating wire.
In addition, in the catalytic cracking slurry filtering device, the first filtering device 3 and the second filtering device 7 can be any suitable oil filtering device, for example, in one embodiment, the first filtering device 3 can be a cross-flow membrane filter, and the second filtering device can be a dead-end filter (i.e., a full-scale filter). The membrane filter can comprise a shell and a filter element arranged in the shell, wherein the filter element is a ceramic membrane filter element or a metal material membrane filter element. The filter element of the first filter device 3 may be a ceramic membrane filter element. The filter element of the second filter device 7 may be a membrane filter element of a metal material.
In addition, the feeding device 2 may be a delivery pump or any other liquid pressure delivery device.
In the catalytic cracking slurry oil filtering apparatus shown in fig. 1, the transfer pump is started, the first control valve 10, for example, the first flow control valve, is opened, so that the catalytic cracking slurry oil circulates between the slurry oil raw material tank 1 and the first filtering apparatus 3, and the purified oil is obtained at the first purified oil outlet 5; further, the flow rate of the first purified oil outlet is more than 80% of the feed flow rate of the raw oil, and the ash content of the first purified oil is less than 50 ppm; during the period, the opening degree of the first flow control valve is controlled, so that the ratio of the flow in the first concentrated liquid pipe 4 to the flow in the first purified oil outlet 5 is 20-25: 1; when the impurity content of the catalytic cracking slurry oil in the slurry oil raw material tank exceeds a preset value, for example 20g/L, a second control valve 11, for example, a second flow control valve, is opened, so that part of the concentrated slurry oil generated by the first membrane filter enters a second filtering device 7, for example, a second membrane filter, and the purified oil generated by the second membrane filter is sent to the slurry oil raw material tank, so that the impurity content of the catalytic cracking slurry oil in the slurry oil raw material tank is reduced to a normal value below the preset value, and the relatively stable catalytic cracking slurry oil impurity content is maintained to ensure the long-period efficient operation.
In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
Although embodiments of the present invention have been shown and described, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the scope of the present invention.
Claims (7)
1. A catalytic cracking slurry oil filter device is characterized by comprising:
an oil slurry material tank (1);
the feed inlet of the first filtering device (3) is connected with the discharge end of the slurry raw material tank (1) through a feeding device (2), a first concentrated liquid outlet of the first filtering device (3) is connected with a first concentrated liquid pipe (4) and a second concentrated liquid pipe (12) in parallel, the first concentrated liquid pipe (4) is connected with the first feed end of the slurry raw material tank (1), a first control valve (10) is arranged on the first concentrated liquid pipe (4), and the first filtering device (3) comprises a first purified oil outlet (5);
a second filtering device (7), the feeding port of the second filtering device (7) and the second concentrated liquid pipe (12) are connected, a second control valve (11) is arranged on the second concentrated liquid pipe (12), and a second purified oil outlet of the second filtering device (7) is communicated with a second feeding end of the slurry raw material tank (1).
2. The catalytic cracking slurry oil filter device according to claim 1, wherein the second filter device (7) comprises a reservoir chamber with a second concentrate outlet (6).
3. The catalytic cracking slurry oil filtering device according to claim 1, further comprising a temperature adjusting device for adjusting the temperature of the slurry oil raw material entering the slurry oil raw material tank (1).
4. The catalytic cracking slurry oil filtering device according to claim 3, wherein the temperature adjusting device is an electric heating device arranged in the slurry oil raw material tank (1).
5. The catalytic cracking slurry oil filtering device according to claim 4, wherein the electric heating device is a helical heating coil (9) disposed on the inner circumferential surface of the slurry oil raw material tank (1).
6. The catalytic cracking slurry oil filtering device according to claim 1, wherein the slurry oil raw material tank (1) is provided with a raw oil feed connecting pipe section (13), and the raw oil feed connecting pipe section (13) is wrapped with a heating unit.
7. The catalytic cracking slurry oil filtration unit according to any one of claims 1-6, wherein the first filtration unit (3) is a cross-flow membrane filter and the second filtration unit (7) is a dead-end filter.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910170353.9A CN109868156A (en) | 2019-03-07 | 2019-03-07 | A kind of catalytic cracked oil pulp filter device and method |
| CN2019101703539 | 2019-03-07 |
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| Publication Number | Publication Date |
|---|---|
| CN211847821U true CN211847821U (en) | 2020-11-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910170353.9A Pending CN109868156A (en) | 2019-03-07 | 2019-03-07 | A kind of catalytic cracked oil pulp filter device and method |
| CN202020247255.9U Active CN211847821U (en) | 2019-03-07 | 2020-03-03 | Catalytic cracking slurry oil filter equipment |
| CN202010139648.2A Active CN111662742B (en) | 2019-03-07 | 2020-03-03 | Catalytic cracking slurry oil filter device and catalytic cracking slurry oil filter method |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910170353.9A Pending CN109868156A (en) | 2019-03-07 | 2019-03-07 | A kind of catalytic cracked oil pulp filter device and method |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010139648.2A Active CN111662742B (en) | 2019-03-07 | 2020-03-03 | Catalytic cracking slurry oil filter device and catalytic cracking slurry oil filter method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111662742A (en) * | 2019-03-07 | 2020-09-15 | 中国石油化工股份有限公司 | Catalytic cracking slurry oil filtering device and catalytic cracking slurry oil filtering method |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110317632A (en) * | 2019-08-02 | 2019-10-11 | 湖南中天元环境工程有限公司 | A kind of purification device and method of catalytic cracked oil pulp |
| CN111363584A (en) * | 2020-04-10 | 2020-07-03 | 江苏赛瑞迈科新材料有限公司 | Catalytic cracking slurry oil industrialized solid removal purification device and method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201793528U (en) * | 2010-05-27 | 2011-04-13 | 北京中天元环境工程有限责任公司 | Fluid catalytic cracking slurry filter equipment |
| CN202107671U (en) * | 2011-06-07 | 2012-01-11 | 中国石油化工股份有限公司 | Catalytic slurry oil filter device |
| CN207016732U (en) * | 2017-05-31 | 2018-02-16 | 中石化炼化工程（集团）股份有限公司 | Slurry oil equipment for separating liquid from solid and catalytic cracking system |
| CN109868156A (en) * | 2019-03-07 | 2019-06-11 | 湖南中天元环境工程有限公司 | A kind of catalytic cracked oil pulp filter device and method |
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2019
- 2019-03-07 CN CN201910170353.9A patent/CN109868156A/en active Pending
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2020
- 2020-03-03 CN CN202020247255.9U patent/CN211847821U/en active Active
- 2020-03-03 CN CN202010139648.2A patent/CN111662742B/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111662742A (en) * | 2019-03-07 | 2020-09-15 | 中国石油化工股份有限公司 | Catalytic cracking slurry oil filtering device and catalytic cracking slurry oil filtering method |
| CN111662742B (en) * | 2019-03-07 | 2024-04-23 | 中国石油化工股份有限公司 | Catalytic cracking slurry oil filter device and catalytic cracking slurry oil filter method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109868156A (en) | 2019-06-11 |
| CN111662742B (en) | 2024-04-23 |
| CN111662742A (en) | 2020-09-15 |
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