CN110387262A - A kind of FCC Slurry Antifoulant and preparation method thereof - Google Patents
A kind of FCC Slurry Antifoulant and preparation method thereof Download PDFInfo
- Publication number
- CN110387262A CN110387262A CN201810367877.2A CN201810367877A CN110387262A CN 110387262 A CN110387262 A CN 110387262A CN 201810367877 A CN201810367877 A CN 201810367877A CN 110387262 A CN110387262 A CN 110387262A
- Authority
- CN
- China
- Prior art keywords
- solvent
- magnesia
- fouling inhibitor
- slurry
- colloidal solution
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- 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
- C10G75/00—Inhibiting corrosion or fouling in apparatus for treatment or conversion of hydrocarbon oils, in general
- C10G75/04—Inhibiting corrosion or fouling in apparatus for treatment or conversion of hydrocarbon oils, in general by addition of antifouling agents
-
- 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
- C10G2300/00—Aspects relating to hydrocarbon processing covered by groups C10G1/00 - C10G99/00
- C10G2300/80—Additives
Abstract
The invention discloses a kind of FCC Slurry Antifoulants and preparation method thereof, antisludging agent includes following components: magnesia colloidal solution, polyisobutene succinimide, solvent, the weight ratio of magnesia colloidal solution and polyisobutene succinimide is 1: 0.1~0.5, and the weight ratio of magnesia colloidal solution and solvent is 1: 0.1~1.0.Polyisobutene succinimide is diluted with solvent, is added it under agitated conditions in magnesia colloidal solution, is uniformly mixed, quiescent settling 24 hours, with obtaining slurry fouling inhibitor after 50 mesh net filtrations.The slurry fouling inhibitor is used to inhibit coking and the incrustation of Fcc Slurry System equipment.
Description
Technical field
The present invention relates to a kind of antisludging agent, in particular to a kind of antisludging agent and its preparation for catalytic cracking unit slurry oil
Method.
Background technique
Catalytic cracking unit is that refinery is main, is also one of best device of benefit, and the slurry oil of catalytic cracking contains greatly
Condensed-nuclei aromatics and catalyst fines are measured, slurry service temperature is high, and equipment scaling, coking phenomenon are serious, cause the heat transfer of heat exchanger
Efficiency declines, and the resistance in Pipeline transport increases.The coking of catalytic cracking unit slurry service and fouling problem have become restriction dress
The main problem of long-term operation is set, solution to this problem has the improvement in equipment, technique and operational optimization, but
It is that these methods have limitation, it is difficult to efficiently solve equipment fouling problem.It is simple for inhibiting incrustation using slurry fouling inhibitor
With economic method, currently, being used widely on the industrial production equipment of this method at home.CN103351888A is disclosed
A kind of antisludging agent being made of detergent-dispersant additive, antioxidant, polymerization inhibitor, emulsifier, surfactant and cosolvent, wherein
Detergent-dispersant additive is the mixture of polyisobutylene amine and polyetheramine, and antioxidant is the mixture for shielding phenol and arylamine, and polymerization inhibitor is
The mixture of Pyrogentisinic Acid or benzoquinones, emulsifier are amine or alkyl acid, surfactant be sulfoacid compound or polyalcohols or
Fatty acid ester, solvent are aromatic solvent, this antisludging agent is suitable for the anti-incrustation of equipment of various heavy oil systems.
CN105038855A discloses one kind by di-2-ethylhexylphosphine oxide Keywords dibutyl dithiocarbamate, polyisobutene succinimide, third
The preparations such as olefin(e) acid, mono-organic phosphate, deionized water, di-phosphate ester, polymerization inhibitor, sodium chromate, sodium nitrite, waterglass and dispersing agent
FCC Slurry Antifoulant.CN101974348A discloses a kind of by antioxidant, polymerization inhibitor, detergent-dispersant additive, metal passivation
Agent, dispersing agent, solvent form FCC Slurry Antifoulant, and wherein antioxidant is di-2-ethylhexylphosphine oxide dibutyl dithiocaarbamate
Ester, polymerization inhibitor 4,4 '-bis- (2,2- dimethyl benzyl) diphenylamines, di-iso-octyldiphenylamine, octyl/butyl diphenylamines, two nonyls
At least one of diphenylamines, detergent-dispersant additive are high base number calcium alkylbenzenesulfonate, super base number synthesis sulfonic acid magnesium, the poly- isobutyl of sulphur phosphatization
At least one of alkene barium salt and alkyl calcium salicylate, sub- bigcatkin willow -1, the 2- propane diamine of matal deactivator N, N '-two, double bigcatkin willows
At least one of diethylenetriamine, double bigcatkin willow dipropylenetriamines, alkyl phenate of compound organic amine, dispersing agent is polyisobutene
Succimide, solvent are one of diesel oil, kerosene, toluene, dimethylbenzene.CN105219434A discloses a kind of water solubility
Anti-scorch antisludging agent of catalytic cracked oil pulp and preparation method thereof, antisludging agent by water, dodecyl benzene sulfonic acid, organic amine, polymerization inhibitor and
Antioxidant composition, wherein organic amine is n,N-Dimethylformamide or diphenylamines, and polymerization inhibitor or antioxidant are phenolic compound.Mesh
Shortcoming existing for preceding slurry fouling inhibitor is complicated components, and synergistic effect and intermiscibility be not good enough between component, causes antisludging agent
Additive amount is big, at high cost with agent, and using effect is not easy to hold.Component is provided and constitutes simple, the good oil of synergistic effect between component
Slurry antisludging agent can avoid these disadvantages.
Summary of the invention
In view of the above-mentioned deficiencies in the prior art, it is an object of the present invention to provide, a kind of component is simple, synergistic effect is good between component
FCC Slurry Antifoulant and preparation method thereof.
A kind of catalytic cracked oil pulp slurry fouling inhibitor provided by the invention includes following components:
Magnesia colloidal solution, polyisobutene succinimide, solvent, wherein magnesia colloidal solution and polyisobutene succinyl
The weight ratio of imines is 1: 0.1~0.5, and the weight ratio of magnesia colloidal solution and solvent is 1: 0.1~1.0.
The magnesia colloidal solution contains the magnesia of 15~45% (mass fractions).
The magnesia colloidal solution is by magnesium hydroxide, aphthenic acids or fatty acid, high boiling fraction oil 100~350
It is DEG C reacted to be made.
Its oily initial boiling point >=300 DEG C of the high boiling fraction.
The base number of the polyisobutene succinimide be 15.0~30.0 mgKOH/g, nitrogen content be 1.20~
1.40% (mass fraction), 100 DEG C of viscosity are 130.0~180.0 mm2/s 。
The solvent is initial boiling point >=180 DEG C, the aromatic solvent naphtha of the end point of distillation≤300 DEG C.
The preparation method of a kind of FCC Slurry Antifoulant provided by the invention, comprising the following steps: diluted with solvent
Polyisobutene succinimide is added it under agitated conditions in magnesia colloidal solution, is uniformly mixed, quiescent settling 24
Hour, with obtaining slurry fouling inhibitor after 50 mesh net filtrations.
Specific embodiment
Below by specific embodiment, the present invention is described in further detail.
Scale inhibition performance evaluation method:
80~90 DEG C of catalytic cracked oil pulp is pumped out from the head tank for sealing and keeping the temperature with nitrogen, is pumped into constant flow velocity and is added by band
The stainless steel incrustation testing tube of hot stove will manage interior slurry oil temperature control at 370 DEG C or so by heating furnace, and slurry oil flows out testing tube
By head tank is cooled back to, test period is 24 hours, according to testing tube slurry oil outlet temperature of the on-test at the end of
Variation calculate scale inhibition performance.
Scale inhibition performance calculates:
[(T0-t0)-(T-t)] × 100% ÷ (T0-t0)
Wherein T0 、t0Slurry oil outlet temperature respectively at the beginning and end of blank test
T, t be respectively plus antisludging agent on-test and at the end of slurry oil outlet temperature.
The test additive amount of antisludging agent is 150ug/g.
Example 1
The preparation of magnesia colloidal solution.
100 grams of magnesium hydroxide are added in round-bottomed flask, 22 grams of aphthenic acids, 90 grams of rubber oil, loads onto blender, temperature
Meter, water segregator, material in flask is heated, and start stirring, material is gradually heated to 300 DEG C or more, during which with electric jacket
The moisture steamed is released, the oil steamed flows back into round-bottomed flask, and when anhydrous steam, heat preservation continues stirring 1 hour, then certainly
It is so cooling and stand 24 hours, every going a small amount of insoluble matter of drag to obtain magnesia colloidal solution.
It is 38.1% by the content of magnesia that GB/T 508 measures the magnesia colloidal solution.
Example 2~4
Magnesia glue prepared by given commodity polyisobutene succinimide T154, aromatic solvent S180 and example 1
1 three slurry fouling inhibitors of table are made in liquid solution by the following method.
Polyisobutene succinimide T154 is diluted with aromatic solvent S180, is added it to after dilution uniformly in agitation
It in magnesia colloidal solution prepared by example 1, is uniformly mixed, quiescent settling 24 hours, with 50 mesh net filtrations, to accelerate
Filter, is filtered after can preheating material, and filtered liquid is slurry fouling inhibitor.
1 slurry fouling inhibitor example 2~4 of table
FCC Slurry Antifoulant is bought from the market as reference agent, and it is right respectively to starch using heavy oil catalytically cracking equipment oil-producing
Example 2~4, reference agent carry out scale inhibition performance evaluation, as a result such as table 2.Evaluation result shows, the resistance of the slurry fouling inhibitor of example 2~4
Dirt works well.
2 slurry fouling inhibitor scale inhibition performance evaluation result of table
| Slurry fouling inhibitor | Scale inhibition performance, % |
| Example 2 | 67.3 |
| Example 3 | 72.6 |
| Example 4 | 65.6 |
| Reference agent 1 | 60.3 |
| Reference agent 2 | 66.0 |
Protection scope of the present invention is not limited only to technical solution disclosed in specific embodiment, and the foregoing is merely of the invention
Better embodiment is not intended to limit the present invention, any trickle amendment, equivalent replacement made by all technical solutions according to the present invention
And improvement, it all should be included in the scope of protection of the technical solution of the present invention.
Claims (7)
1. a kind of catalytic cracked oil pulp slurry fouling inhibitor, which is characterized in that including following components: magnesia colloidal solution, gather it is different
The weight ratio of butylene succimide, solvent, magnesia colloidal solution and polyisobutene succinimide is 1: 0.1~0.5, oxygen
The weight ratio for changing colloidal magnesium solution and solvent is 1: 0.1~1.0.
2. a kind of catalytic cracked oil pulp slurry fouling inhibitor as described in claim 1, which is characterized in that the oxidation colloidal magnesium
Solution contains 15~45%(mass fraction) magnesia.
3. a kind of catalytic cracked oil pulp slurry fouling inhibitor as described in claim 1, which is characterized in that the oxidation colloidal magnesium
Solution is reacted obtained at 100~350 DEG C by magnesium hydroxide, aphthenic acids or fatty acid, high boiling fraction oil.
4. high boiling fraction oil as claimed in claim 3, which is characterized in that initial boiling point >=300 DEG C of distillate.
5. a kind of catalytic cracked oil pulp slurry fouling inhibitor as described in claim 1, which is characterized in that the polyisobutene fourth
The base number of imidodicarbonic diamide is 15.0~30.0 mgKOH/g, and nitrogen content is 1.20~1.40% (mass fractions), 100 DEG C of viscosity
For 130.0~180.0 mm2/s。
6. a kind of catalytic cracked oil pulp slurry fouling inhibitor as described in claim 1, which is characterized in that the solvent is fore-running
Point >=180 DEG C, the aromatic solvent naphtha of the end point of distillation≤300 DEG C.
7. a kind of FCC Slurry Antifoulant preparation method, which comprises the following steps: dilute poly- isobutyl with solvent
Alkene succimide is added it under agitated conditions in magnesia colloidal solution, is uniformly mixed, quiescent settling 24 hours,
With obtaining slurry fouling inhibitor after 50 mesh net filtrations.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810367877.2A CN110387262A (en) | 2018-04-23 | 2018-04-23 | A kind of FCC Slurry Antifoulant and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810367877.2A CN110387262A (en) | 2018-04-23 | 2018-04-23 | A kind of FCC Slurry Antifoulant and preparation method thereof |
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| Publication Number | Publication Date |
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| CN110387262A true CN110387262A (en) | 2019-10-29 |
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| CN201810367877.2A Pending CN110387262A (en) | 2018-04-23 | 2018-04-23 | A kind of FCC Slurry Antifoulant and preparation method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113755212A (en) * | 2020-06-01 | 2021-12-07 | 河北车迪石油化工有限公司 | Scale inhibitor for waste mineral oil regeneration pretreatment |
| CN114717020A (en) * | 2021-12-28 | 2022-07-08 | 中海油惠州石化有限公司 | Oil slurry de-solidification agent, preparation method and application thereof, and catalytic cracking oil slurry de-solidification method |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080099722A1 (en) * | 2006-10-30 | 2008-05-01 | Baker Hughes Incorporated | Method for Reducing Fouling in Furnaces |
| CN101974348A (en) * | 2010-10-26 | 2011-02-16 | 吉化集团吉林市星云工贸有限公司 | Scale inhibitor for catalytic cracking slurry system |
| CN102140370A (en) * | 2010-01-28 | 2011-08-03 | 中国石油化工集团公司 | Scale inhibitor composition for gas turbine |
| CN102776027A (en) * | 2012-08-13 | 2012-11-14 | 关平 | Coking-prevention light oil yield increasing agent for delayed coker of oil refinery |
| CN103421531A (en) * | 2013-07-19 | 2013-12-04 | 济南开发区星火科学技术研究院 | Method for restraining cracking furnace pipe from coking |
| CN105779044A (en) * | 2016-04-08 | 2016-07-20 | 山东默锐环境产业股份有限公司 | Additive for preventing high-alkaline fuel from being contaminated and coked and preparation method and application thereof |
| CN106701194A (en) * | 2016-11-30 | 2017-05-24 | 江苏经纬技术创新咨询有限公司 | Scale inhibitor for oil refining equipment and preparation method of scale inhibitor |
-
2018
- 2018-04-23 CN CN201810367877.2A patent/CN110387262A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080099722A1 (en) * | 2006-10-30 | 2008-05-01 | Baker Hughes Incorporated | Method for Reducing Fouling in Furnaces |
| CN102140370A (en) * | 2010-01-28 | 2011-08-03 | 中国石油化工集团公司 | Scale inhibitor composition for gas turbine |
| CN101974348A (en) * | 2010-10-26 | 2011-02-16 | 吉化集团吉林市星云工贸有限公司 | Scale inhibitor for catalytic cracking slurry system |
| CN102776027A (en) * | 2012-08-13 | 2012-11-14 | 关平 | Coking-prevention light oil yield increasing agent for delayed coker of oil refinery |
| CN103421531A (en) * | 2013-07-19 | 2013-12-04 | 济南开发区星火科学技术研究院 | Method for restraining cracking furnace pipe from coking |
| CN105779044A (en) * | 2016-04-08 | 2016-07-20 | 山东默锐环境产业股份有限公司 | Additive for preventing high-alkaline fuel from being contaminated and coked and preparation method and application thereof |
| CN106701194A (en) * | 2016-11-30 | 2017-05-24 | 江苏经纬技术创新咨询有限公司 | Scale inhibitor for oil refining equipment and preparation method of scale inhibitor |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113755212A (en) * | 2020-06-01 | 2021-12-07 | 河北车迪石油化工有限公司 | Scale inhibitor for waste mineral oil regeneration pretreatment |
| CN114717020A (en) * | 2021-12-28 | 2022-07-08 | 中海油惠州石化有限公司 | Oil slurry de-solidification agent, preparation method and application thereof, and catalytic cracking oil slurry de-solidification method |
| CN114717020B (en) * | 2021-12-28 | 2023-09-26 | 中海油惠州石化有限公司 | Slurry oil decrustation agent, preparation method and application thereof, and catalytic cracking slurry oil decrustation method |
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