CN112708444A - Method for synthesizing coking inhibitor applied to ethylene cracking furnace - Google Patents
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- 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
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Abstract
The invention discloses a method for synthesizing a coking inhibitor applied to an ethylene cracking furnace, which comprises the following steps: s1, preparation of mixture A: the invention relates to the technical field of ethylene production, and discloses a method for producing ethylene by putting kaolin into a calcining furnace, calcining for 2-2.5h at the temperature of 600-650 ℃ to dehydrate mineral powder and break microscopic phases. The synthesis method of the coking inhibitor applied to the ethylene cracking furnace can promote the combustion of a coke layer through the combustion improver, and boric acid and the leavening agent are added into the inhibitor, so that the coke layer can be quickly leavened and cracked during combustion, the coke layer is easy to clear, aluminum hydroxide is doped into kaolin, mineral substances and metal oxides, the reaction efficiency of inorganic substances such as kaolin and the like can be obviously improved, a large amount of inhibitors are not required to be used once, an ideal effect can be achieved, the materials are matched for use, the effects of inhibiting the coking inhibitor and clearing the coke layer are greatly enhanced, and the service efficiency and the service life of the ethylene cracking furnace are also improved.
Description
Technical Field
The invention relates to the technical field of ethylene production, in particular to a method for synthesizing a coking inhibitor applied to an ethylene cracking furnace.
Background
The ethylene cracking furnace is used for processing cracking gas, and has the types of double radiation chambers, single radiation chamber and millisecond furnace, the ethylene cracking furnace is the core equipment of an ethylene production device, and is mainly used for processing various raw materials such as natural gas, refinery gas, crude oil, naphtha and the like into cracking gas, providing the cracking gas to other ethylene devices, and finally processing the cracking gas into ethylene, propylene and various byproducts.
When ethylene and cracked hydrocarbon are produced, polymerization and condensation reactions often occur in an ethylene cracking furnace, coking also occurs along with the polymerization and condensation reactions, the performance of a furnace tube material can be reduced due to the occurrence of a coke layer, the material structure is changed, the purposes of inhibiting and removing the coke layer in the furnace are achieved by using a coking inhibitor at present, the reaction efficiency of the interior of the inhibitor is low, a large amount of inhibitor is required to be added during cleaning each time, the waste of the interior raw materials during preparation of the inhibitor is undoubtedly caused, the economic cost is increased, meanwhile, the inhibition effect of coking is poor, the coke layer cannot be rapidly bulked to form a cracking surface, and the inconvenience is caused for the cleaning work of subsequent personnel.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a method for synthesizing a coking inhibitor applied to an ethylene cracking furnace, which solves the problems that the internal reaction efficiency of the existing inhibitor is low, a large amount of inhibitor needs to be added during cleaning each time, the waste of internal raw materials during preparation of the inhibitor is caused, the economic cost is increased, the inhibition effect of coking is poor, a coke layer cannot be quickly bulked, so that a cracking surface is formed, and the inconvenience is caused to the cleaning work of follow-up personnel.
(II) technical scheme
In order to achieve the purpose, the invention is realized by the following technical scheme: the utility model provides a be applied to ethylene cracking furnace coking inhibitor synthetic method, can promote the burning of coke blanket through the combustion improver, and add boric acid and leavening agent in the inhibitor, can make the coke blanket when burning bulk fracture fast, easily coke blanket is clear away, at kaolin, the inside aluminium hydroxide that dopes of mineral substance and metal oxide, can show the reaction efficiency who improves inorganic substance such as kaolin, need not once to use a large amount of inhibitors, also can reach ideal effect, the cooperation of above-mentioned material is used, the effect of coke inhibitor suppression and clear away coke blanket has been strengthened greatly, the availability factor and the life of ethylene cracking furnace have also been improved simultaneously, specifically include following step:
s1, preparation of mixture A: putting kaolin into a calcining furnace, calcining for 2-2.5h at the temperature of 600-;
s2, preparation of mixture B: sequentially adding aluminum hydroxide, boric acid and magnesium oxide into mixing and stirring equipment, and stirring for 30-40min at the rotating speed of 400-600r/min and the temperature of 35-40 ℃ to fully mix the materials in the machine body, thereby completing the preparation of a mixture B for later use;
s3, preparation of inhibitor premix: sequentially adding the mixture A obtained in the step S1 and the mixture B obtained in the step S2 into ultrasonic oscillation mixing equipment, starting the ultrasonic oscillation mixing equipment to output the power of 250-350W, and carrying out ultrasonic oscillation for 30-45min to fully disperse and mix the materials in the equipment so as to obtain an inhibitor premix to be reserved;
s4, final preparation of a coking inhibitor: placing the inhibitor premix prepared in the step S3 into a high-temperature reaction kettle, sequentially adding cerium oxide, a metal copper salt and a metal carbonate, heating the temperature in the reaction kettle to 180 ℃, sequentially adding a combustion improver, a bulking agent, a corrosion inhibitor, a diluent and a catalyst, stirring and mixing at the rotation speed of 700-180 ℃ for 1-2h, and finally preparing the coking inhibitor;
s5, use of coking inhibitor: and (4) performing quality inspection on the coking inhibitor prepared in the step S5, and spraying the coking inhibitor on the inner wall of the ethylene cracking furnace by using spraying equipment after the quality inspection is finished.
Preferably, the coking inhibitor comprises the following components in parts by weight: 15-20 parts of kaolin, 10-12 parts of mineral substances, 10-12 parts of metal oxides, 5-7 parts of aluminum hydroxide, 4-6 parts of boric acid, 5-8 parts of magnesium oxide, 10-12 parts of cerium oxide, 11-13 parts of metal copper salts, 8-10 parts of metal carbonates, 2-4 parts of combustion improver, 3-5 parts of bulking agent, 3-5 parts of corrosion inhibitor, 2-4 parts of diluent and 3-5 parts of catalyst, wherein the kaolin is a non-metal mineral product, is clay and rock which mainly comprise kaolinite clay minerals and is white and fine, also called clay dolomite, the aluminum hydroxide is an inorganic substance and has a chemical formula of Al (OH)3 and is a hydroxide of aluminum, and the aluminum hydroxide can react with acid to generate salt and water and can react with strong base to generate salt and water, so the aluminum hydroxide is an amphoteric hydroxide, it is also called aluminate (H3AlO3) because of its acidity, but the aluminate (Al (OH) 4) is generated by the reaction with alkali, and is classified into industrial grade and pharmaceutical grade according to its application.
Preferably, the combustion improver in the step S4 is one or more of potassium chlorate, potassium perchlorate or manganese oxide.
Preferably, the bulking agent in step S4 is one of sodium bicarbonate and ammonium bicarbonate.
Preferably, the corrosion inhibitor in step S4 is one of mercaptobenzothiazole or methylbenzotriazole.
Preferably, the catalyst in step S4 is one of sodium hydroxide, calcium oxide or sodium sulfide.
(III) advantageous effects
The invention provides a method for synthesizing a coking inhibitor applied to an ethylene cracking furnace. The method has the following beneficial effects: the synthesis method of the coking inhibitor applied to the ethylene cracking furnace comprises the following steps of S1, preparation of a mixture A: putting kaolin into a calcining furnace, calcining for 2-2.5h at the temperature of 600-; s2, preparation of mixture B: sequentially adding aluminum hydroxide, boric acid and magnesium oxide into mixing and stirring equipment, and stirring for 30-40min at the rotating speed of 400-600r/min and the temperature of 35-40 ℃ to fully mix the materials in the machine body, thereby completing the preparation of a mixture B for later use; s3, preparation of inhibitor premix: sequentially adding the mixture A obtained in the step S1 and the mixture B obtained in the step S2 into ultrasonic oscillation mixing equipment, starting the ultrasonic oscillation mixing equipment to output the power of 250-350W, and carrying out ultrasonic oscillation for 30-45min to fully disperse and mix the materials in the equipment so as to obtain an inhibitor premix to be reserved; s4, final preparation of a coking inhibitor: placing the inhibitor premix prepared in the step S3 into a high-temperature reaction kettle, sequentially adding cerium oxide, a metal copper salt and a metal carbonate, heating the temperature in the reaction kettle to 180 ℃, sequentially adding a combustion improver, a bulking agent, a corrosion inhibitor, a diluent and a catalyst, stirring and mixing at the rotation speed of 700-180 ℃ for 1-2h, and finally preparing the coking inhibitor; s5, use of coking inhibitor: the coking inhibitor prepared in the S5 is subjected to quality inspection, the coking inhibitor is sprayed on the inner wall of the ethylene cracking furnace by using a spraying device after the quality inspection is finished, the combustion of a coke layer can be promoted by using a combustion improver, boric acid and a swelling agent are added into the inhibitor, the coke layer can be rapidly swelled and cracked during combustion, the coke layer is easy to clear, aluminum hydroxide is doped into kaolin, mineral substances and metal oxides, the reaction efficiency of inorganic substances such as kaolin can be remarkably improved, a large amount of inhibitors are not required to be used once, an ideal effect can be achieved, the materials are matched for use, the effects of inhibiting the coking inhibitor and clearing the coke layer are greatly enhanced, and meanwhile, the service efficiency and the service life of the ethylene cracking furnace are also improved.
Drawings
FIG. 1 is a flow chart of the architecture of the present invention;
FIG. 2 is a statistical table of comparative experimental data according to the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-2, the embodiment of the present invention provides three technical solutions: a method for synthesizing a coking inhibitor applied to an ethylene cracking furnace specifically comprises the following steps:
example one
S1, preparation of mixture A: putting 15 parts of kaolin into a calcining furnace, calcining for 2 hours at the temperature of 600 ℃, dehydrating mineral powder, crushing microscopic phases, collecting the calcined materials in a centralized manner, sequentially cooling, cleaning and drying to obtain kaolin powder, putting the kaolin powder, 10 parts of minerals and 10 parts of metal oxides into a high-speed pulverizer for pulverizing, pulverizing and mixing at the rotating speed of 300r/min for 20 minutes, taking out the materials in the pulverizer, screening by using a 80-mesh screen, finishing the preparation of a mixture A after screening, and waiting for standby;
s2, preparation of mixture B: sequentially adding 5 parts of aluminum hydroxide, 4 parts of boric acid and 5 parts of magnesium oxide into a mixing and stirring device, and stirring for 30min at the rotating speed of 400r/min and the temperature of 35 ℃ to fully mix the materials in the machine body, thereby completing the preparation of a mixture B for later use;
s3, preparation of inhibitor premix: sequentially adding the mixture A obtained in the step S1 and the mixture B obtained in the step S2 into ultrasonic oscillation mixing equipment, starting the ultrasonic oscillation mixing equipment to output the power of 250W, and carrying out ultrasonic oscillation for 30min to fully disperse and mix the materials in the equipment to obtain an inhibitor premix to be reserved;
s4, final preparation of a coking inhibitor: placing the inhibitor premix prepared in the step S3 into a high-temperature reaction kettle, sequentially adding 10 parts of cerium oxide, 11 parts of metal copper salt and 8 parts of metal carbonate, heating the temperature in the reaction kettle to 150 ℃, sequentially adding 2 parts of combustion improver, 3 parts of bulking agent, 3 parts of corrosion inhibitor, 2 parts of diluent and 3 parts of catalyst, stirring and mixing at the rotating speed of 700r/min for 1 hour, and finally preparing the coking inhibitor;
s5, use of coking inhibitor: and (4) performing quality inspection on the coking inhibitor prepared in the step S5, and spraying the coking inhibitor on the inner wall of the ethylene cracking furnace by using spraying equipment after the quality inspection is finished.
Example two
S1, preparation of mixture A: putting 18 parts of kaolin into a calcining furnace, calcining for 2.4 hours at the temperature of 620 ℃, dehydrating mineral powder and crushing microscopic phases, then intensively collecting calcined materials, sequentially cooling, cleaning and drying to obtain kaolin powder, then putting the kaolin powder, 11 parts of minerals and 11 parts of metal oxides into a high-speed pulverizer to perform pulverization treatment, pulverizing and mixing for 25 minutes at the rotating speed of 350r/min, taking out the materials in the pulverizer, screening by using a 120-mesh screen, finishing the preparation of a mixture A after screening, and waiting for standby;
s2, preparation of mixture B: sequentially adding 6 parts of aluminum hydroxide, 5 parts of boric acid and 7 parts of magnesium oxide into a mixing and stirring device, and stirring for 35min at the rotating speed of 500r/min and the temperature of 38 ℃ to fully mix the materials in the machine body, thereby completing the preparation of a mixture B for later use;
s3, preparation of inhibitor premix: sequentially adding the mixture A obtained in the step S1 and the mixture B obtained in the step S2 into ultrasonic oscillation mixing equipment, starting the ultrasonic oscillation mixing equipment to output power of 300W, and carrying out ultrasonic oscillation for 40min to fully disperse and mix the materials in the equipment to obtain an inhibitor premix, and waiting for standby;
s4, final preparation of a coking inhibitor: placing the inhibitor premix prepared in the step S3 into a high-temperature reaction kettle, sequentially adding 11 parts of cerium oxide, 12 parts of metal copper salt and 9 parts of metal carbonate, heating the temperature in the reaction kettle to 160 ℃, sequentially adding 3 parts of combustion improver, 4 parts of bulking agent, 4 parts of corrosion inhibitor, 3 parts of diluent and 4 parts of catalyst, stirring and mixing at the rotating speed of 800r/min for 1.5 hours, and finally preparing the coking inhibitor;
s5, use of coking inhibitor: and (4) performing quality inspection on the coking inhibitor prepared in the step S5, and spraying the coking inhibitor on the inner wall of the ethylene cracking furnace by using spraying equipment after the quality inspection is finished.
EXAMPLE III
S1, preparation of mixture A: putting 20 parts of kaolin into a calcining furnace, calcining at 650 ℃ for 2.5 hours to dehydrate mineral powder and crush microscopic phases, then intensively collecting calcined materials, sequentially cooling, cleaning and drying to obtain kaolin powder, then putting the kaolin powder, 12 parts of minerals and 12 parts of metal oxides into a high-speed pulverizer to pulverize and mix for 30min at a rotating speed of 400r/min, taking out the materials in the pulverizer, screening by using a 150-mesh screen, finishing the preparation of a mixture A after screening, and waiting for standby;
s2, preparation of mixture B: adding 7 parts of aluminum hydroxide, 6 parts of boric acid and 8 parts of magnesium oxide into a mixing and stirring device in sequence, and stirring for 40min at the rotating speed of 600r/min and the temperature of 40 ℃ to fully mix the materials in the machine body, thereby completing the preparation of a mixture B for later use;
s3, preparation of inhibitor premix: sequentially adding the mixture A obtained in the step S1 and the mixture B obtained in the step S2 into ultrasonic oscillation mixing equipment, starting the ultrasonic oscillation mixing equipment to output power of 350W, and carrying out ultrasonic oscillation for 45min to fully disperse and mix the materials in the equipment to obtain an inhibitor premix, and waiting for standby;
s4, final preparation of a coking inhibitor: placing the inhibitor premix prepared in the step S3 into a high-temperature reaction kettle, sequentially adding 12 parts of cerium oxide, 13 parts of metal copper salt and 10 parts of metal carbonate, heating the temperature in the reaction kettle to 180 ℃, sequentially adding 4 parts of combustion improver, 5 parts of bulking agent, 5 parts of corrosion inhibitor, 4 parts of diluent and 5 parts of catalyst, stirring and mixing for 2 hours at the rotating speed of 900r/min, and finally preparing the coking inhibitor;
s5, use of coking inhibitor: and (4) performing quality inspection on the coking inhibitor prepared in the step S5, and spraying the coking inhibitor on the inner wall of the ethylene cracking furnace by using spraying equipment after the quality inspection is finished.
Comparative experiment
A chemical production enterprise simultaneously detects the coking inhibitors respectively prepared in the embodiment 1, the embodiment 2 and the embodiment 3 and the conventional coking inhibitors, applies the four groups of selected coking inhibitors to the same batch of ethylene cracking furnaces for comparison test, and simultaneously counts the coking conditions in each group of ethylene cracking furnaces in the test process.
As shown in table 2, the coking inhibitor prepared in example 2 can promote the combustion of the coke layer by adding the combustion improver, and the boric acid and the leavening agent are added into the inhibitor, so that the coke layer can be quickly loosened and cracked during combustion, the coke layer is easy to remove, aluminum hydroxide is doped into kaolin, minerals and metal oxides, the reaction efficiency of inorganic substances such as kaolin can be remarkably improved, a large amount of inhibitor is not needed for one time, an ideal effect can be achieved, the effects of inhibiting and removing the coke layer by the coking inhibitor are greatly enhanced by matching the materials, and the service efficiency and the service life of the ethylene cracking furnace are improved.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. A synthetic method of a coking inhibitor applied to an ethylene cracking furnace is characterized by comprising the following steps: the method specifically comprises the following steps;
s1, preparation of mixture A: putting kaolin into a calcining furnace, calcining for 2-2.5h at the temperature of 600-;
s2, preparation of mixture B: sequentially adding aluminum hydroxide, boric acid and magnesium oxide into mixing and stirring equipment, and stirring for 30-40min at the rotating speed of 400-600r/min and the temperature of 35-40 ℃ to fully mix the materials in the machine body, thereby completing the preparation of a mixture B for later use;
s3, preparation of inhibitor premix: sequentially adding the mixture A obtained in the step S1 and the mixture B obtained in the step S2 into ultrasonic oscillation mixing equipment, starting the ultrasonic oscillation mixing equipment to output the power of 250-350W, and carrying out ultrasonic oscillation for 30-45min to fully disperse and mix the materials in the equipment so as to obtain an inhibitor premix to be reserved;
s4, final preparation of a coking inhibitor: placing the inhibitor premix prepared in the step S3 into a high-temperature reaction kettle, sequentially adding cerium oxide, a metal copper salt and a metal carbonate, heating the temperature in the reaction kettle to 180 ℃, sequentially adding a combustion improver, a bulking agent, a corrosion inhibitor, a diluent and a catalyst, stirring and mixing at the rotation speed of 700-180 ℃ for 1-2h, and finally preparing the coking inhibitor;
s5, use of coking inhibitor: and (4) performing quality inspection on the coking inhibitor prepared in the step S5, and spraying the coking inhibitor on the inner wall of the ethylene cracking furnace by using spraying equipment after the quality inspection is finished.
2. The method for synthesizing the coking inhibitor applied to the ethylene cracking furnace according to claim 1 is characterized in that: the coking inhibitor comprises the following components in parts by weight: 15-20 parts of kaolin, 10-12 parts of mineral substances, 10-12 parts of metal oxides, 5-7 parts of aluminum hydroxide, 4-6 parts of boric acid, 5-8 parts of magnesium oxide, 10-12 parts of cerium oxide, 11-13 parts of metal copper salts, 8-10 parts of metal carbonates, 2-4 parts of combustion improver, 3-5 parts of bulking agent, 3-5 parts of corrosion inhibitor, 2-4 parts of diluent and 3-5 parts of catalyst.
3. The method for synthesizing the coking inhibitor applied to the ethylene cracking furnace according to claim 1 is characterized in that: the combustion improver in the step S4 is one or more of potassium chlorate, potassium perchlorate or manganese oxide.
4. The method for synthesizing the coking inhibitor applied to the ethylene cracking furnace according to claim 1 is characterized in that: the bulking agent in the step S4 is one of sodium bicarbonate or ammonium bicarbonate.
5. The method for synthesizing the coking inhibitor applied to the ethylene cracking furnace according to claim 1 is characterized in that: the corrosion inhibitor in the step S4 is one of mercapto benzothiazole or methyl benzotriazole.
6. The method for synthesizing the coking inhibitor applied to the ethylene cracking furnace according to claim 1 is characterized in that: the catalyst in the step S4 is one of sodium hydroxide, calcium oxide or sodium sulfide.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114410395A (en) * | 2022-02-16 | 2022-04-29 | 湖北美和科技有限公司 | Synthesis method of biomass boiler corrosion-inhibition ash cleaning agent |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105238494A (en) * | 2015-10-19 | 2016-01-13 | 广东电网有限责任公司电力科学研究院 | Additive inhibiting biomass boiler coking and using method thereof |
| CN106635244A (en) * | 2017-01-18 | 2017-05-10 | 威海翔宇环保科技股份有限公司 | Coking inhibitor for biomass fuel as well as preparation method and application of coking inhibitor |
| CN110982579A (en) * | 2019-12-19 | 2020-04-10 | 湖北美和科技有限公司 | Boiler coking inhibitor and preparation method thereof |
| CN111073721A (en) * | 2019-12-04 | 2020-04-28 | 湖北美和科技有限公司 | Kaolin processing method for preparing coking inhibitor component |
-
2020
- 2020-12-15 CN CN202011473525.9A patent/CN112708444A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105238494A (en) * | 2015-10-19 | 2016-01-13 | 广东电网有限责任公司电力科学研究院 | Additive inhibiting biomass boiler coking and using method thereof |
| CN106635244A (en) * | 2017-01-18 | 2017-05-10 | 威海翔宇环保科技股份有限公司 | Coking inhibitor for biomass fuel as well as preparation method and application of coking inhibitor |
| CN111073721A (en) * | 2019-12-04 | 2020-04-28 | 湖北美和科技有限公司 | Kaolin processing method for preparing coking inhibitor component |
| CN110982579A (en) * | 2019-12-19 | 2020-04-10 | 湖北美和科技有限公司 | Boiler coking inhibitor and preparation method thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114410395A (en) * | 2022-02-16 | 2022-04-29 | 湖北美和科技有限公司 | Synthesis method of biomass boiler corrosion-inhibition ash cleaning agent |
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