31results about How to "High quality feed" patented technology

The invention discloses a shale oil processing method for producing propylene. The method comprises the following steps of: hydrogenating shale oil, separating shale oil hydrogenation products to obtain gas and liquid reaction oils, and separating the liquid reaction oil into a shale oil hydrogenation light oil and a shale oil hydrogenation heavy oil; introducing the shale oil hydrogenation heavy oil into a first riser reactor for undergoing a catalytic pyrolysis reaction; and introducing a part of or all of the shale oil hydrogenation light oil into a second riser reactor for undergoing a catalytic pyrolysis reaction. The shale oil processing method provided by the invention has high propylene yield.

Provided is a hydrotreatment-catalytic cracking combination process method. Wax oil and catalytic cracking circulation oil go to a hydrotreatment reaction zone together, and are subjected to reactions of hydrodemetallization, hydrodesulfurization, hydrodenitrification, aromatic hydrogenation saturation and the like in the presence of hydrogen and hydrogenation catalysts. The obtained hydrogenated tail oil goes to a catalytic cracking device, a cracking reaction is carried out in the presence of catalytic cracking catalysts. Dry gases, liquefied gases, catalytic cracking gasoline, catalytic cracking light diesel oil, catalytic cracking circulation oil and slurry oil are obtained after separation, the catalytic cracking light diesel oil is subjected to self-circulation in the catalytic cracking device and the catalytic cracking circulation oil is circulated to the hydrotreatment reaction zone. The method can raise yield and quality of gasoline products greatly.

The invention discloses an oil-water separation system and a separation method. The oil-water separation system comprises a membrane filtration/demulsification system, a pre-separation system, a lightphase separation system and a heavy phase separation system; the membrane filtration/demulsification system comprises a membrane module and a circulating pump, and the pre-separation system comprisesa feeding tube, a hollow filter element and a steady flow zone; the light phase separation system sequentially comprises a material uniform distributor I, an upper coalescence separation zone and a light phase discharge port from bottom to top; and the heavy phase separation system sequentially comprises a material uniform distributor II, a lower coalescence separation zone, a light phase and heavy phase separation zone and a heavy phase discharge port from top to bottom. The separation system can be used to achieve continuous removal and preliminary of granular suspended matters in a material to be separated, rapid removal of free water drops or oil drops and demulsification and coalescence of a small amount of a heavy phase entrained in a light phase and a small amount of the light phase entrained in the heavy phase, has the advantages of short material residence time, high dewatering/deoiling efficiency and small device size, can realize deep removal of water, especially emulsifiedwater, in an oil product and deep removal of emulsified oil drops in sewage, has obvious advantages in oil-water separation of complex-composition and high-viscosity particle-containing severely emulsified oil products, and enables the moisture or oil removal rate to reach 99% or above.

The invention provides a heat regeneration method for waste rubber. The method comprises the following steps of: feeding a waste rubber crude powder material/environmentally-friendly softening agent/powder auxiliary material in the weight ratio of 100/8-150/20-1,500 into a stirring heater, performing anoxybiotic heating, introducing into a stirring cooler and cooling to the temperature of less than 100 DEG C so as to obtain a product; or partially or completely extracting the powder auxiliary material in the fed materials for slow feeding, adding the extracted powder auxiliary material into the stirring heater before the materials which are put into the stirring heater at an early stage are discharged, or/and adding the extracted powder auxiliary material when a hot material is introduced into the stirring cooler, cooling the mixture to the temperature of less than 100 DEG C and discharging; or initially mixing the materials in a formula, guiding the mixture into a screw extruder, allowing the mixture to pass through a heating section and a mixing section, cooling the material to the temperature of less than 100 DEG C and discharging a product; or performing thermal cracking on all-known waste rubber through heat regeneration or establishing a multi-direction migration relation for a material or/and energy in the process of preparing carbon black from fuel oil and fuel gas.

The invention discloses a hydrogenation method for treating high-nitrogen high-aromatic hydrocarbon inferior diesel oil raw materials. An integrated two-section process flow of a first reaction area, intermediate separation and a second reaction area is adopted. The method comprises the following steps: performing hydrodenitrogeneration and bicyclo- or multi-cyclo aromatic hydrocarbon hydrogenation saturation reactions on inferior diesel oil with high nitrogen and aromatic hydrocarbon content in the first reaction area, performing intermediate separation, obtaining a hydrogenated material flow in which the organic nitrogen content is less than 200 ug/g and the total aromatic hydrocarbon content is more than 60 weight percent, and providing the raw materials for the second reaction area; performing moderate refining and hydro-upgrading in the second reaction area, and performing fractionation to obtain gasoline components with high octane value. By adoption of the method provided in the invention, the inferior diesel oil fraction with high nitrogen and aromatic hydrocarbon content can be treated, and the gasoline components with high octane value and low sulfur content are obtained at high yield.

The invention discloses a combined process for pretreating and catalytically cracking hydrocarbon oil. The process comprises the following steps of: feeding a residual oil raw material and catalytic cracking slurry oil into a solvent de-asphalting device for performing de-asphalting treatment; mixing de-asphalted oil with deep drawing VGO (Vacuum Gas Oil), feeding into a hydrogenation demetalization reaction area, and undergoing a reaction under the actions of hydrogen and a demetalization catalyst; mixing one or two of obtained hydrogenation demetalization effluent, light wax oil and coking gas oil, feeding into a hydrotreatment reaction area, and undergoing a reaction in the presence of hydrogen and a hydrotreatment catalyst, wherein a liquid phase separated from hydrotreatment reactor effluent is taken as a catalytic cracking raw material; and feeding the catalytic cracking raw material into a catalytic cracking device for reacting, and circularly returning the catalytic cracking slurry oil to the solvent de-asphalting device for performing circular processing. Due to the adoption of a method disclosed by the invention, different catalytic cracking raw materials can be treated segmentally, the operating flexibility and desulfuration efficiency of a device are increased, and the cost is lowered.

The invention discloses a catalytic cracking diesel oil hydroisomerization-fluid catalytic cracking method, which comprises: 1) mixing catalytic cracking diesel oil and hydrogen, making the obtained mixture enters a section of hydrogenation reaction devices connected in series, and carrying out a hydrorefining-hydroisomerization reaction, wherein the hydrogenation reaction devices are sequentiallyfilled with a hydrogenation protecting agent, a hydrorefining catalyst and a hydroisomerization catalyst; and 2) making the hydroisomerized diesel oil enter a fluidized bed catalytic cracking device,and carrying out a catalytic cracking reaction. According to the present invention, with the method, low-carbon olefins and clean fuel oil are produced by using catalytic cracking diesel oil, and under the complete conversion of catalytic cracking diesel oil, the low-carbon olefin content in the product is more than 35 wt%, and the aromatic hydrocarbon content in the gasoline distillate is more than 50 wt%, such that the value of catalytic cracking diesel oil can be significantly increased.

The invention discloses a fresh corn dairy product and a production method thereof and relates to the field of dairy products and corn foods. The production method solves the problem that the existing dairy product has a peculiar smell such as a mutton or fishy smell and the existing corn food has a poor taste and is difficult to be digested. Through fresh and tender corn bran, impurity and worm-damaged part removal, cleaning, fragmentation, squeezing, filtering slag removal (wherein for preventing deterioration in long-term storage, the corn with slag is subjected to seal storage under high pressure and then is filtered to remove slag in selling or is subjected to refrigeration storage at a low temperature), loading, sterilization and drying, natural corn milk without a peculiar smell and a series of products of the natural corn milk are obtained and have a good dairy product taste. The production method can be widely used in regions where green corn is planted.

The invention belongs to the technical field of agricultural machinery, particularly relates to a corn ear chopping and kernel crushing device as well as a working method and an application thereof, and discloses a corn ear smashing device capable of completing corn ear feeding, corn ear chopping, kernel crushing and material throwing. After corn ears are fed into the smashing device, the ears arechopped through the interaction of a movable cutter and a fixed cutter of a chopping device, chopped ear materials pass through kernel crushing rollers rotating oppositely, corn kernels are smashed into 1/3-grain to 1/4-grain, then the materials are conveyed to one side under the action of a conveying auger and thrown out through a throwing device and a throwing barrel, the ear smashing quality can be effectively improved, and high-quality feed is provided for the animal husbandry.

The invention relates to a method for treating green plum fruit wine vinasse residues and liquor. The method comprises the following steps that firstly, the green plum fruit wine vinasse residues and liquor are recycled in a settling basin, and the pH value of the green plum fruit wine vinasse residues and liquor is measured; secondly, alkali or alkaline matter is added in the settling basin in the first step to regulate the pH value of the green plum fruit wine vinasse residues and liquor to be 6-9; thirdly, destabilizing and settling accelerating agents polyaluminum chloride or/and polyferric sulfate are added with the adding quantity of the desertion stabilizing and settling accelerating agents accounts for 0.0015-0.003% of the plum fruit wine vinasse residues and liquor, and the mixture is evenly stirred and then subjected to standing; fourthly, water liquid on the middle and upper layers is drained; fifthly, bottom layer sediment obtained in the third step is dehydrated; sixthly, the dehydrated sediment is dried and ground, and an end vinasse powder product is obtained.

The invention discloses a garbage decomposition liquid ecological utilization system. The garbage decomposition liquid ecological utilization system comprises a water pump, a decomposition liquid conveying pipe, a roof reservoir 22, a balcony liquid-conveying pipe 23 and flowerpots 24, wherein the decomposition liquid conveying pipe is communicated with the roof reservoir 22; the conveying pipe conveys the decomposition liquid into the roof reservoir under the action of the water pump; the roof reservoir 22 is connected with the flowerpots through the balcony liquid-conveying pipe 23; the decomposition liquid is conveyed into the flowerpots 24; and the flowerpots 24 are positioned in rooms in buildings. In the garbage decomposition liquid ecological utilization system, the garbage decomposition liquid is used for performing soilless culture, so that the growth of aquatic plants is contributed, optical radiation is absorbed, indoor temperature is reduced, water quality is purified, and high-quality feeds are provided to culture plants; and the garbage decomposition liquid serves as nutrient solution for soilless vegetable culture, so that high-quality green vegetables are produced locally, water quality is purified, and soil and mineral chemical fertilizers are saved.

The present invention relates to a feed pellet using tapioca residue and a production method thereof, and wherein the feed pellet comprises 85 to 97% by weight of tapioca residue and 3 to 15% by weight of blackstrap molasses, wherein the tapioca residue has below 20% by weight of moisture content. Above described method for manufacturing the feed pellet using tapioca residue according to the present invention has an effect on manufacturing high quality feedstuffs, i.e. a high maintenance of shape, excellent palatability and low flying dust, by mixing tapioca residue with blackstrap molasses.