51results about How to "Improve hydrogen supply capacity" patented technology

The invention relates to the technical field of vegetable-oil soft capsules, in particular to a peony-seed-oil soft capsule and a preparation method thereof. The peony-seed-oil soft capsule is prepared by mixing and gelling of raw materials, capsule pressing and forming, hardening, sizing, scrubbing and drying. The peony-seed-oil soft capsule comprises the following raw materials in parts by weight: 80-95 parts of peony seed oil, 1-3 parts of fucosterol, 1-3 parts of squalene, 1-3 parts of propyl gallate, 0.05-0.25 part of tocopherol, 0.05-0.25 part of soya bean lecithin, 0.15-0.25 part of vitamin C, 5-10 parts of gelatin, 5-10 parts of water, 1.3-2.5 parts of sorbierite, and 2.5-5 parts of glycerol. The peony-seed-oil soft capsule is nutritious and safe, has the obvious effects of reducing blood fat, blood pressure and cholesterol, and can enhance the self immunity, prevent the diabetes, prevent and treat cancers, reduce weight, prevent cerebral stroke and myocardial infarction, clear harmful substances in blood, prevent and treat heart diseases and relieve the climacteric syndrome.

The invention provides a coal liquefaction method, and the method comprises the following steps: (1) carrying out solvent thermal extraction pre-treatment on raw materials of coal; (2) carrying out thermal state solid-liquid separation; (3) concentrating the liquid part for obtaining ultra-pure coal slurry; or carrying out back extraction on the liquid part for preparing solid ultra-pure coal, and mixing with a thermal extraction solvent for preparing ultra-pure coal slurry; and (4) carrying out liquefaction reaction on the ultra-pure coal slurry for obtaining a coal liquefied oil product, wherein, the thermal extraction solvent is a liquid product obtained by carrying out hydrogenation treatment on the coal liquefied oil, such as the liquid products obtained by carrying out the hydrogenation treatment on coal liquefied light oil, coal liquefied middle oil and / or coal liquefied heavy oil, a coal liquefaction hydrogenation circulating solvent, or the mixture thereof. The method can reduce hydrogen consumption during the liquefaction process, water yield and gas yield, reduce wear on coal liquefaction equipment and be conductive to realizing the recycling of a coal liquefaction catalyst. The method can adopt any traditional liquefaction process and be conductive to saving energy consumption.

The invention relates to a method for co-processing coal high in inertinite content and heavy oil. The method includes the steps that heavy oil, a first hydrogenation-free recycling solvent and a catalyst are mixed to prepare oil slurry, hydrocracking is conducted to obtain a first product, and separation is conducted to obtain first light distillate oil and first heavy distillate oil; the first heavy distillate oil, a second hydrogenation-free recycling solvent and pulverized coal are mixed to prepare coal-oil slurry, hydrocracking is conducted to obtain a second product, and separation is conducted to obtain second light distillate oil and second heavy distillate oil; one part of the second heavy distillate oil is separated to obtain residue and third heavy distillate oil, wherein the third heavy distillate oil serves as the first hydrogenation-free recycling solvent for preparing the oil slurry; the other part of the second heavy distillate oil serves as the second hydrogenation-free recycling solvent for preparing the coal-oil slurry; hydrogenation upgrading is conducted on the first light distillate oil and the second light distillate oil to obtain a third product, and separation is conducted to obtain naphtha, aviation kerosene and diesel oil. The method improves the conversion rate of the coal high in inertinite content, and the yield of the liquid product is increased.

This application relates to a production device and preparation method of a hydrogen-donating solvent. The production device includes a hydrogen supply unit, a feedstock oil supply unit, a hydrogenation reaction unit, a separation unit, and a stripping tower; the preparation method includes the following steps: After the oil is heated, it is mixed with hydrogen, and after the hydrogenation reaction, the gas-liquid is separated to obtain a hydrogenated bottom oil; the hydrogenated bottom oil is fractionated, the light component of the bottom oil is fed from the middle and upper part of the stripping tower, and the heavy component of the bottom oil is fed from the upper part of the stripping tower. Feeding in the middle of the stripping tower; stripping the light components of the bottom oil and the heavy components of the bottom oil, and obtaining hydrogen-donating solvent oil at the bottom of the stripping tower. The hydrogen-supply index of the obtained hydrogen-supply solvent is as high as 20.82, and the hydrogen-supply capacity is strong; the process flow of the hydrogen-supply solvent preparation method is simple, and the hydrogen-supply solvent is prevented from supersaturated, and the yield of hydrogen-donating solvent is as high as 88.64%.

The invention provides a method for improving the delayed coking technique. The method is as follows: coked raw material residual oil is heated by a heating furnace and enters into a coking tower; coke generated is accumulated in the coking tower; and gas, naphtha, light diesel oil, heavy diesel oil, light wax oil and heavy wax oil are obtained after separation of oil gas fluid products through acoking and fractionating tower. The light diesel oil, the heavy diesel oil, the light wax oil or the heavy wax oil are used as circulation materials through adjustment of the sources, the distillation range and the circulation of the circulation materials, and then the coking induction period of mixture can be prolonged and the coking dynamics of the coked raw material residual oil can be changed; and the coking reaction of the residual oil is delayed to be performed in the coking tower more completely, thereby achieving the aim of prolonging the operating period of a heating furnace tube. The operating period of the coking and heating furnace can be prolonged to be between 3 and 18 months generally according to the extended degree of the coking induction period determined by the sources,the distillation range and the circulation of the circulation materials selected.

The invention provides a direct-coal-liquefied circulating hydrogen-donor solvent and a preparation method thereof. The preparation method comprises the following steps: (S1) carrying out first-time catalytic hydrogenation on a direct-coal-liquefied effluent so as to obtain a first gas-phase product and a first liquid-phase product; (S2) carrying out fractional distillation on the first liquid-phase product so as to obtain a light oil fraction, a medium oil fraction and a heavy oil fraction; (S3) carrying out second-time catalytic hydrogenation on part or all of the heavy oil fraction so as to obtain a second liquid-phase product; (S4) mixing the second liquid-phase product with part or all of the medium oil fraction so as to form the direct-coal-liquefied circulating hydrogen-donor solvent, wherein the distillation range of the light oil fraction is lower than 200 DEG C, the distillation range of the medium oil fraction is 200-350 DEG C, and the distillation range of the heavy oil fraction is higher than 350 DEG C. According to the preparation method, the dissolution, dispersion and hydrogen supply effects of the circulating hydrogen-donor solvent during direct coal liquefaction reaction can be improved, and the conversion rate of coal and yield of oil are further increased.

The invention provides a method for mixing and processing wash oil and direct coal liquefaction oil, which includes the following steps: (a) mixing the wash oil and the direct coal liquefaction oil to be mixed with hydrogen, and enabling the mixture to enter a mixed oil hydrogenation reactor; (b) enabling mixture of the wash oil, the direct coal liquefaction oil and the hydrogen in the step (a) to be contacted with hydrofining catalyst to be subjected to a reaction in the mixed oil hydrogenation reactor; and (c) separating and fractionating objects obtained from the reaction of step (b) and discharged from an outlet of the mixed oil hydrogenation reactor to obtain light distillate oil, medium distillate oil and heavy distillate oil. The heavy distillate oil is mixed with a part of the medium distillate oil to serve as hydrogen-donor solvent, and the light distillate oil is mixed with the rest medium distillate oil to obtain liquefaction product raw oil. The method can effectively convert coal tar and wash oil, obtains high-performance hydrogen-donor solvent and diesel products with high cetane number, and can avoid a phenomenon of speeding up deactivation of catalyst caused by overlarge reaction temperature rise in an independent hydrogenation process for the wash oil.