CN104178092A - High-temperature organic heat carrier and production technology thereof - Google Patents
High-temperature organic heat carrier and production technology thereof Download PDFInfo
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- CN104178092A CN104178092A CN201310199905.1A CN201310199905A CN104178092A CN 104178092 A CN104178092 A CN 104178092A CN 201310199905 A CN201310199905 A CN 201310199905A CN 104178092 A CN104178092 A CN 104178092A
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Abstract
A high-temperature organic heat carrier comprises the following compositions (in percent by weight): A, 50%-70% of biphenyl and diphenyl oxide; B, 8%-20% of dibenzyltoluene; C, 10%-35% of hydrogenated terphenyl; D, 0.2%-0.4% of a cleaning agent; E, 0.2%-0.4% of an anti-oxidation anti-corrosion agent; and F, 0.4%-0.8% of an antirust agent. The production steps comprise: 1, adding A biphenyl and diphenyl oxide, B dibenzyltoluene, C hydrogenated terphenyl, D a cleaning agent, E an anti-oxidation anti-corrosion agent and F an anti-rust agent into a reaction kettle, heating to 80-82 DEG C, and mixing with stirring for reaction; 2, dewatering the mixed reaction raw materials in the step 1 by a dewatering tank by utilizing position difference and specific gravity difference; 3, adding an isomerization catalyst, concretely pumping the dewatered raw materials into a raw-material tank for buffering, and sending into an isomerization catalysis reactor by a metering pump to perform isomerization catalytic reaction, so as to combining the sheet-shaped structure into a needle-shaped structure and further to increase the fluidity of the product and reduce condensation point, and performing flash evaporation in a distillation tower to remove unideal compositions; 4, cooling; 5, filtering; and 6, subpackaging.
Description
Technical field
The invention belongs to thermal barrier technical field, be specifically related to a kind of high temperature organic heat carrier and production technique thereof.
Background technology
The type of organic heat carrier comprises refined mineral oil type, common synthesis type, has special high thermal stability synthesis type.
Along with the development of China's modernization of industry, the industry production popularizations such as building materials, printing, pharmacy, chemical industry, food, solar electrical energy generation, are badly in need of high temperature organic heat carrier transferring heat.At present, the domestic production technique that there is no more than 320 DEG C organic heat carrier, and from entering high temperature mouth organic heat carrier abroad, need to be with ten thousand yuan of 12-15 per ton expensive, too high cost has limited the development of the industries such as building materials, printing, pharmacy, chemical industry, food, solar electrical energy generation greatly; In addition, also there is its poor chemical stability, cause the wasting of resources, heat conductivility is not good, the shortcoming that work-ing life is short, at present, domestic market is to organic heat carrier demand more than 10000 tons, and because 360 DEG C of organic heat carriers provide high temperature heat source under liquid phase state, temperature improves, the physical property that reduces of viscosity.The only 0.4-0.5MPa of organic heat carrier service pressure for example using under 350 DEG C of high-temperature liquid-phase states, at same temperature, common thermal oil is in decomposition, vapor state, and pressure sharply rises and cannot normally work, and is more unfavorable for safety in production.
Summary of the invention
In order to overcome the above-mentioned the deficiencies in the prior art of China, the object of the present invention is to provide a kind of high temperature organic heat carrier and production technique thereof, have:
1, the life-span is long: the formula to calculating doubling according to 10 DEG C of rate of ageings of the every raising of organic heat carrier use temperature, under 300 DEG C of use temperatures, can use more than 20 years, and the life-span is improved approximately 6 times than Dormant oils type product.
2, economize on resources: existing city is for the mean lifetime approximately three years under 300 DEG C of conditions of Dormant oils type thermal oil, 360 DEG C of high-temperature liquid-phase organic heat carrier life-spans at 300 DEG C of temperature can reach more than 20 years, that city is for the more than 6 times of Dormant oils type thermal oil life-span, by 100,000 tons of calculating of domestic annual consumption, save petroleum resources quantity surprising, meet the requirement of building a resource-conserving society.
3, reduce investment outlay: (1), city are for 10800 yuan/T of Dormant oils type thermal oil present price left and right, under 300 DEG C of conditions, use approximately 3 years and change once, approximately 40,000 yuan/ton of 360 DEG C of liquid phase organic heat carrier market prices are used more than 20 years under 300 DEG C of conditions, and cost performance is enhanced about more than once.(2), at present approximately 140,000 yuan per ton of the organic heat carrier marked price of 360 DEG C of world markets, 360 DEG C of high-temperature liquid-phase organic heat carrier market prices of our exploitation are about 40,000 yuan, the current aggregate demand of industry such as domestic petroleum chemical industry, sun power, chemical fibre, resin, food-processing, printing and dyeing, pitch is about 6 kilotons left and right according to statistics, realizes can saving foreign exchange after production domesticization and amounting to 600,000,000 yuans.
4, favourable the resolving safely in industries such as petrochemical complex, sun power, printing and dyeing, pitches of high-temperature pressure needs the difficult problem in high-temperature liquid-phase heat supply process.Because 360 DEG C of organic heat carriers are to provide high temperature heat source under liquid phase situation, the physical property that temperature improves, viscosity reduces.The only 0.4-0.5MPa of organic heat carrier service pressure that uses under 350 DEG C of high-temperature liquid-phase states of example, at same temperature, solved common thermal oil in decomposing, vaporized state, the pressure rise difficult point such as cannot normally work.
To achieve these goals, the technical solution used in the present invention is: a kind of high temperature organic heat carrier, comprises following component (by weight percentage):
A biphenyl+Biphenyl Ether 50%～70%, B dibenzyl toluene 8%～20%, C hydrogenated terphenyl 10%～35%,
D purification agent 0.2%～0.4%, E oxidation and corrosion inhibitor 0.2%～0.4%, F rust-preventive agent 0.4%～0.8%.
A production technique for high temperature organic heat carrier, comprises the following steps:
One, raw material hybrid reaction: add A biphenyl+Biphenyl Ether 50%～70%, B dibenzyl toluene 8%～20%, C hydrogenated terphenyl 10%～35%, D purification agent 0.2%～0.4%, E oxidation and corrosion inhibitor 0.2%～0.4%, F rust-preventive agent 0.4%～0.8% in reactor, be warmed up to 80～82 DEG C; Mix and blend reaction 1.5～2.5 hours;
Two, dehydration, the concrete practice is: hand over potential difference and difference in specific gravity to dewater by water knockout utilization the reaction raw material in step 1, after dehydration, raw material moisture is not more than 300PPm;
Three, add heterogeneous catalyst, the concrete practice is that after dehydration, raw material is slow through pumping into head tank punching, send into isocatalysis reactor through volume pump, be 150～165Pa at pressure, temperature is, under the processing condition of 330～390 DEG C, to carry out isocatalysis reaction, be acicular structure by the raw material of sheet structure structure, thereby increase product mobility, reduce condensation point, excise undesirable component through distillation tower flash distillation;
Four, cooling, the raw material that the concrete practice is isomery pumps into water cooler, and 220～230 DEG C of feeding temperatures, are cooled to 80 DEG C through water jacket, and cooling pipe temperature is not less than 80 DEG C;
Five, filter, the concrete practice enters hold-up vessel after pumping into the filter of adsorption filtration tank essence;
Six, packing, the concrete practice is: by hold-up vessel pump into the filling metal bucket of automatic gauge shunting streamline laggard enter storehouse.
The invention has the beneficial effects as follows:
Compared with prior art, the present invention has carried out secondary to high temperature organic heat carrier and has cut in production technique, ensures, after product excision light constituent, to carry out organic assembling, thereby make product possess the feature of molecular structure stabilized under high temperature resistant and high temperature;
In the thermal oil technological process of production, adopt first isocatalysis pour point depression device, make product at low temperature, low pressure (from import T73 under 350 DEG C of conditions, pressure is reduced to 0.33Pa from 0.55Pa) and vacuum technology condition filter and remove heat conduction well cuts, improve purity and the degree of cleaning of thermal oil, guarantee the thermal oil stable performance that is in operation.
In the step 3 of processing method, add heterogeneous catalyst, reduce the pour point of thermal oil through pour point depression step process, made the depression of pour point of high temperature organic heat carrier product performance to-18 DEG C, improved the weather resistance of product, use properties, has expanded the use region of product.
Embodiment
Below in conjunction with specific embodiment, the present invention is described in further detail.
Embodiment mono-
A kind of high temperature organic heat carrier, comprises following component (by weight percentage):
A biphenyl+Biphenyl Ether 50%, B dibenzyl toluene 20%, C hydrogenated terphenyl 29.2%,
D purification agent 0.2%, E oxidation and corrosion inhibitor 0.2%, F rust-preventive agent 0.4%.
Embodiment bis-
A biphenyl+Biphenyl Ether 70%, B dibenzyl toluene 20%, C hydrogenated terphenyl 20.4%,
D purification agent 0.4%, E oxidation and corrosion inhibitor 0.4%, F rust-preventive agent 0.8%.
Embodiment tri-
A biphenyl+Biphenyl Ether 60%, B dibenzyl toluene 14%, C hydrogenated terphenyl 24.8%,
D purification agent 0.3%, E oxidation and corrosion inhibitor 0.3%, F rust-preventive agent 0.6%.
Embodiment tetra-
A biphenyl+Biphenyl Ether 50%, B dibenzyl toluene 13.4%, C hydrogenated terphenyl 35%,
D purification agent 0.4%, E oxidation and corrosion inhibitor 0.4%, F rust-preventive agent 0.8%.
Embodiment five
A production technique for high temperature organic heat carrier, comprises the following steps:
One, raw material hybrid reaction: add A biphenyl+Biphenyl Ether 50%, B dibenzyl toluene 20%, C hydrogenated terphenyl 29.2%, D purification agent 0.2%, E oxidation and corrosion inhibitor 0.2%, F rust-preventive agent 0.4% in reactor, be warmed up to 80 DEG C; Mix and blend reaction 1.5 hours;
Two, dehydration, the concrete practice is: hand over potential difference and difference in specific gravity to dewater by water knockout utilization the reaction raw material in step 1, after dehydration, raw material moisture is not more than 300PPm;
Three, add heterogeneous catalyst, the concrete practice is that after dehydration, raw material is slow through pumping into head tank punching, send into isocatalysis reactor through volume pump, be 160Pa at pressure, temperature is, under the processing condition of 360 DEG C, to carry out isocatalysis reaction, be acicular structure by the raw material of sheet structure structure, thereby increase product mobility, reduce condensation point, excise undesirable component through distillation tower flash distillation;
Four, cooling, the raw material that the concrete practice is isomery pumps into water cooler, and 220 DEG C of feeding temperatures, are cooled to 80 DEG C through water jacket, and cooling pipe temperature is not less than 80 DEG C;
Five, filter, the concrete practice enters hold-up vessel after pumping into the filter of adsorption filtration tank essence;
Six, packing, the concrete practice is: by hold-up vessel pump into the filling metal bucket of automatic gauge shunting streamline laggard enter storehouse.
Embodiment six
A production technique for high temperature organic heat carrier, comprises the following steps:
One, raw material hybrid reaction: add A biphenyl+Biphenyl Ether 70%, B dibenzyl toluene 20%, C hydrogenated terphenyl 20.4%, D purification agent 0.4%, E oxidation and corrosion inhibitor 0.4%, F rust-preventive agent 0.8% in reactor, be warmed up to 82 DEG C; Mix and blend reaction 2.5 hours;
Two, dehydration, the concrete practice is: hand over potential difference and difference in specific gravity to dewater by water knockout utilization the reaction raw material in step 1, after dehydration, raw material moisture is not more than 300PPm;
Three, add heterogeneous catalyst, the concrete practice is that after dehydration, raw material is slow through pumping into head tank punching, send into isocatalysis reactor through volume pump, be 165Pa at pressure, temperature is, under the processing condition of 330 DEG C, to carry out isocatalysis reaction, be acicular structure by the raw material of sheet structure structure, thereby increase product mobility, reduce condensation point, excise undesirable component through distillation tower flash distillation;
Four, cooling, the raw material that the concrete practice is isomery pumps into water cooler, and 230 DEG C of feeding temperatures, are cooled to 80 DEG C through water jacket, and cooling pipe temperature is not less than 80 DEG C;
Five, filter, the concrete practice enters hold-up vessel after pumping into the filter of adsorption filtration tank essence;
Six, packing, the concrete practice is: by hold-up vessel pump into the filling metal bucket of automatic gauge shunting streamline laggard enter storehouse.
Embodiment seven
A production technique for high temperature organic heat carrier, comprises the following steps:
One, raw material hybrid reaction: add A biphenyl+Biphenyl Ether 60%, B dibenzyl toluene 14%, C hydrogenated terphenyl 24.8%, D purification agent 0.3%, E oxidation and corrosion inhibitor 0.3%, F rust-preventive agent 0.6% in reactor, be warmed up to 81 DEG C; Mix and blend reaction 2 hours;
Two, dehydration, the concrete practice is: hand over potential difference and difference in specific gravity to dewater by water knockout utilization the reaction raw material in step 1, after dehydration, raw material moisture is not more than 300PPm;
Three, add heterogeneous catalyst, the concrete practice is that after dehydration, raw material is slow through pumping into head tank punching, send into isocatalysis reactor through volume pump, be 150Pa at pressure, temperature is, under the processing condition of 390 DEG C, to carry out isocatalysis reaction, be acicular structure by the raw material of sheet structure structure, thereby increase product mobility, reduce condensation point, excise undesirable component through distillation tower flash distillation;
Four, cooling, the raw material that the concrete practice is isomery pumps into water cooler, and 225 DEG C of feeding temperatures, are cooled to 80 DEG C through water jacket, and cooling pipe temperature is not less than 80 DEG C;
Five, filter, the concrete practice enters hold-up vessel after pumping into the filter of adsorption filtration tank essence;
Six, packing, the concrete practice is: by hold-up vessel pump into the filling metal bucket of automatic gauge shunting streamline laggard enter storehouse.
Claims (9)
1. a high temperature organic heat carrier, is characterized in that, comprises following component (by weight percentage):
A biphenyl+Biphenyl Ether 50%～70%, B dibenzyl toluene 8%～20%, C hydrogenated terphenyl 10%～35%,
D purification agent 0.2%～0.4%, E oxidation and corrosion inhibitor 0.2%～0.4%, F rust-preventive agent 0.4%～0.8%.
2. a kind of high temperature organic heat carrier according to claim 1, is characterized in that, comprises following component (by weight percentage):
A biphenyl+Biphenyl Ether 50%, B dibenzyl toluene 20%, C hydrogenated terphenyl 29.2%,
D purification agent 0.2%, E oxidation and corrosion inhibitor 0.2%, F rust-preventive agent 0.4%.
3. a kind of high temperature organic heat carrier according to claim 1, is characterized in that, comprises following component (by weight percentage):
A biphenyl+Biphenyl Ether 70%, B dibenzyl toluene 20%, C hydrogenated terphenyl 20.4%, D purification agent 0.4%, E oxidation and corrosion inhibitor 0.4%, F rust-preventive agent 0.8%.
4. a kind of high temperature organic heat carrier according to claim 1, is characterized in that, comprises following component (by weight percentage):
A biphenyl+Biphenyl Ether 60%, B dibenzyl toluene 14%, C hydrogenated terphenyl 24.8%, D purification agent 0.3%, E oxidation and corrosion inhibitor 0.3%, F rust-preventive agent 0.6%.
5. a kind of high temperature organic heat carrier according to claim 1, is characterized in that, comprises following component (by weight percentage):
A biphenyl+Biphenyl Ether 50%, B dibenzyl toluene 13.4%, C hydrogenated terphenyl 35%, D purification agent 0.4%, E oxidation and corrosion inhibitor 0.4%, F rust-preventive agent 0.8%.
6. a production technique for high temperature organic heat carrier, is characterized in that, comprises the following steps:
One, raw material hybrid reaction: add A biphenyl+Biphenyl Ether 50%～70%, B dibenzyl toluene 8%～20%, C hydrogenated terphenyl 10%～35%, D purification agent 0.2%～0.4%, E oxidation and corrosion inhibitor 0.2%～0.4%, F rust-preventive agent 0.4%～0.8% in reactor, be warmed up to 80～82 DEG C; Mix and blend reaction 1.5～2.5 hours;
Two, dehydration, the concrete practice is: hand over potential difference and difference in specific gravity to dewater by water knockout utilization the reaction raw material in step 1, after dehydration, raw material moisture is not more than 300PPm;
Three, add heterogeneous catalyst, the concrete practice is that after dehydration, raw material is slow through pumping into head tank punching, send into isocatalysis reactor through volume pump, be 150～165Pa at pressure, temperature is, under the processing condition of 330～390 DEG C, to carry out isocatalysis reaction, be acicular structure by the raw material of sheet structure structure, thereby increase product mobility, reduce condensation point, excise undesirable component through distillation tower flash distillation;
Four, cooling, the raw material that the concrete practice is isomery pumps into water cooler, and 220～230 DEG C of feeding temperatures, are cooled to 80 DEG C through water jacket, and cooling pipe temperature is not less than 80 DEG C;
Five, filter, the concrete practice enters hold-up vessel after pumping into the filter of adsorption filtration tank essence;
Six, packing, the concrete practice is: by hold-up vessel pump into the filling metal bucket of automatic gauge shunting streamline laggard enter storehouse.
7. the production technique of a kind of high temperature organic heat carrier according to claim 6, is characterized in that, comprises the following steps:
One, raw material hybrid reaction: add A biphenyl+Biphenyl Ether 50%, B dibenzyl toluene 20%, C hydrogenated terphenyl 29.2%, D purification agent 0.2%, E oxidation and corrosion inhibitor 0.2%, F rust-preventive agent 0.4% in reactor, be warmed up to 80 DEG C; Mix and blend reaction 1.5 hours;
Two, dehydration, the concrete practice is: hand over potential difference and difference in specific gravity to dewater by water knockout utilization the reaction raw material in step 1, after dehydration, raw material moisture is not more than 300PPm;
Three, add heterogeneous catalyst, the concrete practice is that after dehydration, raw material is slow through pumping into head tank punching, send into isocatalysis reactor through volume pump, be 160Pa at pressure, temperature is, under the processing condition of 360 DEG C, to carry out isocatalysis reaction, be acicular structure by the raw material of sheet structure structure, thereby increase product mobility, reduce condensation point, excise undesirable component through distillation tower flash distillation;
Four, cooling, the raw material that the concrete practice is isomery pumps into water cooler, and 220 DEG C of feeding temperatures, are cooled to 80 DEG C through water jacket, and cooling pipe temperature is not less than 80 DEG C;
Five, filter, the concrete practice enters hold-up vessel after pumping into the filter of adsorption filtration tank essence;
Six, packing, the concrete practice is: by hold-up vessel pump into the filling metal bucket of automatic gauge shunting streamline laggard enter storehouse.
8. the production technique of a kind of high temperature organic heat carrier according to claim 6, is characterized in that, comprises the following steps:
One, raw material hybrid reaction: add A biphenyl+Biphenyl Ether 70%, B dibenzyl toluene 20%, C hydrogenated terphenyl 20.4%, D purification agent 0.4%, E oxidation and corrosion inhibitor 0.4%, F rust-preventive agent 0.8% in reactor, be warmed up to 82 DEG C; Mix and blend reaction 2.5 hours;
Two, dehydration, the concrete practice is: hand over potential difference and difference in specific gravity to dewater by water knockout utilization the reaction raw material in step 1, after dehydration, raw material moisture is not more than 300PPm;
Three, add heterogeneous catalyst, the concrete practice is that after dehydration, raw material is slow through pumping into head tank punching, send into isocatalysis reactor through volume pump, be 165Pa at pressure, temperature is, under the processing condition of 330 DEG C, to carry out isocatalysis reaction, be acicular structure by the raw material of sheet structure structure, thereby increase product mobility, reduce condensation point, excise undesirable component through distillation tower flash distillation;
Four, cooling, the raw material that the concrete practice is isomery pumps into water cooler, and 230 DEG C of feeding temperatures, are cooled to 80 DEG C through water jacket, and cooling pipe temperature is not less than 80 DEG C;
Five, filter, the concrete practice enters hold-up vessel after pumping into the filter of adsorption filtration tank essence;
Six, packing, the concrete practice is: by hold-up vessel pump into the filling metal bucket of automatic gauge shunting streamline laggard enter storehouse.
9. the production technique of a kind of high temperature organic heat carrier according to claim 6, is characterized in that, comprises the following steps:
One, raw material hybrid reaction: add A biphenyl+Biphenyl Ether 60%, B dibenzyl toluene 14%, C hydrogenated terphenyl 24.8%, D purification agent 0.3%, E oxidation and corrosion inhibitor 0.3%, F rust-preventive agent 0.6% in reactor, be warmed up to 81 DEG C; Mix and blend reaction 2 hours;
Two, dehydration, the concrete practice is: hand over potential difference and difference in specific gravity to dewater by water knockout utilization the reaction raw material in step 1, after dehydration, raw material moisture is not more than 300PPm;
Three, add heterogeneous catalyst, the concrete practice is that after dehydration, raw material is slow through pumping into head tank punching, send into isocatalysis reactor through volume pump, be 150Pa at pressure, temperature is, under the processing condition of 390 DEG C, to carry out isocatalysis reaction, be acicular structure by the raw material of sheet structure structure, thereby increase product mobility, reduce condensation point, excise undesirable component through distillation tower flash distillation;
Four, cooling, the raw material that the concrete practice is isomery pumps into water cooler, and 225 DEG C of feeding temperatures, are cooled to 80 DEG C through water jacket, and cooling pipe temperature is not less than 80 DEG C;
Five, filter, the concrete practice enters hold-up vessel after pumping into the filter of adsorption filtration tank essence;
Six, packing, the concrete practice is: by hold-up vessel pump into the filling metal bucket of automatic gauge shunting streamline laggard enter storehouse.
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104927783A (en) * | 2015-04-28 | 2015-09-23 | 冯智勇 | Heat transfer fluid novel material containing nano-grade titanium-aluminum alloy micro-particles |
| CN104927785A (en) * | 2015-04-28 | 2015-09-23 | 冯智勇 | Heat transfer fluid novel material containing nano-grade nickel-chromium alloy micro-particles |
| CN106010461A (en) * | 2016-05-24 | 2016-10-12 | 北京燕通石油化工有限公司 | Liquid phase heat conduction oil composition |
| CN111518523A (en) * | 2020-05-09 | 2020-08-11 | 山东北方淄特特种油股份有限公司 | Novel long-life energy-saving environment-friendly high-temperature synthetic organic heat carrier |
| CN111534286A (en) * | 2020-05-09 | 2020-08-14 | 山东北方淄特特种油股份有限公司 | Pulse blending production device and production method for high-temperature synthesis of organic heat carrier |
| CN113913164A (en) * | 2020-07-09 | 2022-01-11 | 中国石油化工股份有限公司 | High-temperature heat conduction oil and preparation method thereof |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104927783A (en) * | 2015-04-28 | 2015-09-23 | 冯智勇 | Heat transfer fluid novel material containing nano-grade titanium-aluminum alloy micro-particles |
| CN104927785A (en) * | 2015-04-28 | 2015-09-23 | 冯智勇 | Heat transfer fluid novel material containing nano-grade nickel-chromium alloy micro-particles |
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| CN111518523A (en) * | 2020-05-09 | 2020-08-11 | 山东北方淄特特种油股份有限公司 | Novel long-life energy-saving environment-friendly high-temperature synthetic organic heat carrier |
| CN111534286A (en) * | 2020-05-09 | 2020-08-14 | 山东北方淄特特种油股份有限公司 | Pulse blending production device and production method for high-temperature synthesis of organic heat carrier |
| CN111534286B (en) * | 2020-05-09 | 2021-10-01 | 山东北方淄特特种油股份有限公司 | Pulse blending production device and production method for high-temperature synthesis of organic heat carrier |
| CN113913164A (en) * | 2020-07-09 | 2022-01-11 | 中国石油化工股份有限公司 | High-temperature heat conduction oil and preparation method thereof |
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Addressee: Zhang Xuanqiang Document name: Notification of Passing Examination on Formalities |
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Effective date of registration: 20170907 Address after: 255300, No. 1, outer ring road, northwest of Zhoucun District, Shandong, Zibo Applicant after: Shandong Hengli heat carrier Engineering Co. Ltd. Address before: 255000 No. 299-6 Dongmen Road, Zhoucun District, Shandong, Zibo Applicant before: SHANDONG HENGDAO OIL CHEMICAL CO., LTD. |
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Application publication date: 20141203 |