36 results about "Oil generation" patented technology

The invention discloses a rice bran candle including a candle body and a wick. The candle body includes, by weight, 40-100 parts of rice bran wax, 0-60 parts of other wax, 0-0.2 parts of dyes, and 0-5 parts of spices, the wick is one of a cotton wick, a wood wick or a paper wick. The candle is low in residue, is free of oil generation and cracking, has good homogeneity and mutual solubility, is free of oil generation during a high temperature test and is free of cracking during a high and low temperature changing test, is improved in quality and reduced in cost by 20-40%. Flame height and combustion time of the candle reach the levels of other similar products.

The invention relates to a low-pressure-drop high-efficiency static mixing device and an oil blending method that are beneficial to oil blending. The static mixing device includes a pre-mixer, and the pre-mixer includes a container body and two or more symmetrical Arranged inlet connecting pipes; wherein, each of the two or more inlet connecting pipes forms an included angle of 45° to 50° with the axial direction of the pre-mixer, and passes through the inlet at the corresponding position on the container body of the pre-mixer and The interior of the container body is in fluid communication. Using the method of the present invention, the component oil products collected in the blending head are throttled and pressurized into multiple strands of materials, which respectively enter the pre-mixer through the inlet joints of the pre-mixer, and the materials are tangential along the pipe wall in the form of high-speed swirling flow. The direction is diagonally tangentially and symmetrically sprayed into the pre-mixer, and after full contact with the pre-mixing, it enters the static mixer for further mixing. The static mixing device of the present invention can ensure efficient and sufficient mixing of various component oil products, reduce density stratification, and make product mixing more uniform.

The invention relates to a post-hydrogenation method of carbon distillates. The fixed-bed reactor used for hydrogenation is located behind the demethanizer, and the carbon distillate from the front deethanizer in the ethylene unit is pressurized and hydrogenated. Enter the adiabatic bed reactor for selective hydrogenation. The fixed bed reactor is equipped with a Pd-Ni catalyst. During the preparation process, the catalyst is combined with a bipyridine derivative with a hydroxyl group through an alumina carrier. Hydroxybipyridine forms a metal complex with the active component; the method of the present invention greatly improves the activity and selectivity of the hydrogenation reaction compared to the traditional hydrogenation method, and the amount of green oil generated during the hydrogenation process is also greatly reduced. At the same time, the reduction of green oil makes the active center of the catalyst not covered by by-products, and the catalyst activity and selectivity are well maintained; the catalyst used in the present invention has excellent anti-impurity interference ability, and is especially suitable for S, As C2 hydrogenation unit with high impurity content.

The invention discloses a dechlorination agent and a preparation method thereof. The dechlorination agent uses a composite oxide as a carrier to support oxides of alkali metals and / or alkaline earth metals, and the composite oxide carrier includes θ-type alumina and calcium oxide. The invention prepares the composite oxide carrier through the co-precipitation method, introduces calcium oxide into the carrier skeleton structure, and the penetration chlorine capacity can reach 17.6% at normal temperature. Through high-temperature calcination, the alumina with theta-type phase structure is prepared, which reduces the number of surface hydroxyl groups, minimizes the physical adsorption of HCl on the dechlorination agent, and reduces the acidity of the surface of the dechlorination agent due to the physical adsorption and concentration of HCl. Enhanced phenomenon, thereby reducing the acid-catalyzed olefin polymerization to produce green oil, and the acid-catalyzed reaction of olefins with HCl to form organic chlorides. In addition, the composite oxide carrier prepared by the invention significantly increases the strength of the dechlorination agent and eliminates the phenomenon of agglomeration or pulverization under the condition of water vapor.

The invention discloses a sesame seed smashing device.The device comprises a shell, a screen arranged in the shell, and a smashing blade arranged in the shell, wherein the shell is obliquely arranged, an opening is formed in the top of the screen, the smashing blade is arranged in the screen, the top of the smashing blade is connected and fixed to the shell, the screen and the shell are spaced, and the screen and the smashing blade are spaced; the space between the screen and the smashing blade serves as a feeding channel, the space between the screen and the shell serves as a discharging channel, the bottom of the screen is connected with a transmission shaft, and the transmission shaft drives the screen to rotate; a discharging port is arranged on the side wall of the bottom of the shell, and a feeding port is arranged on the top of the shell.The device has the advantages that smashing speed is increased, and oil generation during smashing is prevented; smashed sesame seeds with granularity meeting the discharging requirement are discharged in time through the screen, repeated cutting or grinding of finished granules in the smashing device is effectively reduced, and oil generation is further prevented.

The invention discloses an evaluation method based on effectiveness of a shale reservoir. The method comprises: determining the lithofacies as a basic evaluation unit according to the characteristics of the shale oil reservoir; selecting the oil production property, the storage property, the modifiability and the flowability as evaluation contents; and further performing influence factor analysis by the system, preferably selecting organic carbon content, hydrocarbon generation potential, crack type and development strength, pore type and surface porosity, diagenetic action, relative brittleness coefficient, brittleness index and critical flow aperture as evaluation parameters, and obtaining the shale reservoir type by adopting a gray fuzzy mathematical method.

The invention relates to a power generation assembly, in particular to a grain-oil power generation assembly for a silo, belonging to the technical field of new energy development. The grain-oil power generation assembly for the silo solves the defect that grain-flow potential energy in the silo is completely lost in the prior art, and mainly comprises a cylindrical silo, wherein an air seal machine connected with a booster engine is arranged on the bottom part of the silo; an impeller is arranged inside the air seal machine; a grain inlet is arranged above the impeller and a grain outlet is arranged below the impeller; the distance for the axle center of the air seal machine to deviate from the center of the grain inlet is larger than the inner radius of the grain inlet; a power generator and a rectifier are arranged on the downstream of the air seal machine in sequence; a storage battery and an inverter are in parallel arranged on the downstream of the rectifier; and a load controller is arranged on the downstream of the inverter. The grain-oil generation assembly for the silo is mainly used for grain-flow power generation, and further, can be used for potential energy power generation of other free falling materials.

The invention discloses a petroleum low-temperature catalytic cracking catalyst and a use method, wherein the catalyst is boric acid. The use method of the catalyst comprises the following steps that A, firstly, heavy oil is put into a heating cracking furnace to be heated to be at the temperature of 100-150 DEG C, and dehydration is performed; B, then the boric acid with the weight of 0.8-1.2% the weight of the heavy oil is added and stirred in a heat preservation mode; C, then the mixture is gradually heated, oil generation starts at the temperature of 180 DEG C, the oil steam evaporation amount is maintained to be uniform and stable, oil products are recycled through fractionation and cooling, the oil products accounting for 60% of the total oil evaporation steam can be recycled at the temperature of 330 DEG C, then the mixture is warmed up to be at the temperature of 400 DEG C, the mixture is stopped from being warmed up, and the mixture is kept warm at the temperature of 400 DEG C until no oil is generated. The petroleum low-temperature catalytic cracking catalyst and the use method have the advantages that the catalytic cracking temperature is low, the efficiency of petroleum low-temperature catalytic cracking is improved, the reaction is accelerated, the production efficiency is improved, and therefore the reaction effect is better.

The invention relates to a method for selective hydrogenation of carbon distillates, which adopts a pre-deethanizer pre-hydrogenation process, enters the top effluent from the pre-deethanizer tower in an ethylene plant into a fixed-bed reactor for selective hydrogenation, It is characterized in that the adiabatic bed reactor is equipped with a Pd-Au-based catalyst, and the catalyst is combined with a bipyridine derivative with a hydroxyl group through an alumina-based carrier during the preparation process, and the hydroxy-bipyridine derivative combined on the carrier has an activity The components form metal complexes; the method of the present invention can greatly improve the activity and selectivity of the hydrogenation reaction, reduce the amount of green oil produced, prolong the service life of the catalyst, and at the same time ensure that the hydrogenation of acetylene is qualified, effectively Increase device ethylene increment.

The invention relates to an apparatus for evaluating the foam oil generation validity, and a method thereof, and belongs to the technical field of petroleum chemical engineering. The apparatus comprises a digital flow peristaltic pump, a gas flow meter, a sealed connection joint, a small-aperture syringe needle, a non-contact ultrasonic continuous liquid level sensor, an experiment container, a large-aperture syringe needle, a medium-aperture syringe needle, a test control panel and a computer, wherein the digital flow peristaltic pump, a gas supply flexible tube, the sealed connection joint and the syringe needles with different apertures are sequentially connected to form a gas feed experiment branch pipeline, and the digital flow peristaltic pump, the gas flow meter, the non-contact ultrasonic continuous liquid level sensor, the test control panel and the computer form a test control portion. The apparatus has the advantages of simple structure and convenient operation, and the apparatus and the method simultaneously have the advantages of realization of the automatic measurement and control of the computer, visualization of the generation, expansion and disappearance processes of foam oil, evaluation of the stability, the expansion and the gas capture ability of the foam oil, and practicability and capability of evaluation of the oil production enhancing mechanism of the foam oil.

The invention discloses a method for evaluating the formation and evolution of terrestrial mud shale oil in a large freshwater lake basin. The method uses conventional drilling cores and geological experiment analysis, pressure-preserved and sealed coring, and frozen sample oil content calibration and logging technology. Combined method to evaluate shale oil content recovery, vertical sweet spot layer and plane sweet spot area; use depth, Ro, kerogen, chloroform bitumen "A", free oil, adsorbed oil, gas-oil ratio and other parameters , the formation and evolution evaluation model of continental shale oil was established, which met the needs of shale oil exploration. This method evaluates that the mass conversion of adsorbed oil to free oil at Ro1.1%-1.6% is the most favorable stage for the formation of shale oil, and shale oil at mature and highly mature stages is 1.5-3.5 times that of the classic oil generation model. The "sweet spots" of shale oil in the Liao Basin have been selected and breakthroughs in exploration have enabled the exploration depth to be extended to 2600m and the area of ​​sweet spots to be expanded by 1.2 times, laying the material foundation for large-scale exploration of continental mud shale oil in large freshwater lake basins.

The method for reducing aromatic hydrocarbon content in diesel oil in residual hydrogenation equipment is characterized by that the residual oil and hydrogen gas are fed into residual catalytic hydrogenation reactor, and the material flow obtained after reaction is fed into thermal high-pressure separator and separated into gas phase material flow and hydrogenated residuel oil, and gas phase material flow is mixed with diesel oil raw material, and fed into diesel oil catalytic hydrogenation reactor, and the reaction material flow is fed into cold high-pressure separator, and separated into gas and refined diesel oil generation oil, the gas is cleaned, pressurized and returned into residual hydrogenation reactor for circular use, and the refined diesel oil generation oil can be separated to obtain the diesel oil product whose aroamtic hydrocarbon content can be reduced by above 60%.