137results about How to "Improve layering effect" patented technology

The invention discloses a method for extracting grease from schizochytrium. The method comprises the following steps: (1) adjusting the pH (Potential of Hydrogen) of the fermentation broth of the schizochytrium until reaching an acid stage, and then adding an organic solvent to stir, so as to realize the wall breaking of schizochytrium cells and extraction of microalgae oil; (2) adding a flocculant to the fermentation broth obtained in step (1) to flocculate, and extracting by the organic solvent to obtain crude algae oil; and (3) treating the crude algae oil by degumming, discoloring, and deacidifying / deodorizing, so as to obtain the microalgae oil rich in DHA (Docosahexaenoic Acid). According to the method disclosed by the invention, autolysis wall-breaking technology is adopted, so that the technological process in wall breaking and extraction of the schizochytrium can be simplified, the operation time in wall breaking can be shortened, the investment on equipment is decreased, and the cost is lowered; and the biological flocculant flocculation technology is carried out, therefore, the demulsification technological process is simplified, the time for layering is shortened, the layering effect is improved, the load due to wastewater discharge and water treatment caused by the demulsification process can be avoided, and the cost of water treatment can be lowered.

The invention discloses a rapid-heating-assisted ultrasonic stripping method for a two-dimensional nanometer Ti3C2 lamella, relates to a method for stripping a two-dimensional nanometer Ti3C2 lamella, and aims at solving the problem of poor stripping effect of the existing method for stripping the two-dimensional nanometer Ti3C2 lamella. The method comprises the steps of firstly, preparing Ti3AlC2 powder; secondly, preparing stacked lamellar Ti3C2Tx powder, and then, immediately placing the stacked lamellar Ti3C2Tx powder into a thermal treatment furnace after vacuumizing; then, adding the powder in a pipe into an organic solvent after cooling, and centrifuging after stirring to obtain a solid substance; and vibrating and dispersing after adding deionized water into the solid substance, filtering to obtain a powdery sample, and drying to obtain the two-dimensional nanometer Ti3C2 lamella. The ratio of single-layer or n-layer nano lamellas in the two-dimensional nanometer Ti3C2 lamella stripped by using the method disclosed by the invention is relatively high (n<10). The rapid-heating-assisted ultrasonic stripping method for the two-dimensional nanometer Ti3C2 lamella is applied to the fields of synthesis and preparation of nano ceramic materials.

The invention discloses an intelligent weeding drone automatic target spraying flow control device and a method. The device comprises a flight master control system, a sensing acquisition processing system, a target spraying flow control system and a power supply device; the flight master control system is used for processing position information, posture information and other parameters of a drone and controlling the drone to fly stably; the sensing acquisition processing system is used for processing acquired field weed image data in real time; the target spraying flow control system is usedfor positioning the direction of a centrifugal nozzle and adjusting the flow of the centrifugal nozzle. The method comprises the steps that a pre-established weed image recognition model is transplanted to an industrial control master board, a USB camera acquires field images in real time and uploads the field images to the industrial control master board for analysis and processing, the presenceor absence, position and area of field weeds are judged according to a processing result, a target pan / tilt is controlled, the direction of the centrifugal nozzle is adjusted, and therefore precise spraying for crops is achieved. The effectiveness of pesticide liquid is improved, and the waste of the pesticide liquid and the environmental pollution are reduced.

The invention discloses an automatic sheet material feeding apparatus and feeding method preventing absorbing multi-layered sheet material in the field of sheet material machining. In the apparatus, a fixing suction disc is connected to a lower side of a suction disc rack by a fixing rod; at least a movable suction disc is arranged on a corner of the sheet material; the movable suction disc is connected to the lower end of a swinging rod; a connection block is arranged in a position where the lower side of the suction disc rack is corresponding to the swinging rod; an air cylinder is arranged on the side surface of the connection block; an extending end of a piston rod of the air cylinder is provided with an air cylinder joint; the middle of the swinging rod is hinged with the connection block via a lower pin roll; the upper part of the swinging rod is provided with a waist-shaped groove; the end part of the air cylinder joint is provided with an upper pin roll; and the upper pin roll is inserted into the waist-shaped groove. During the work, after the sheet material is absorbed by the fixing suction disc and the movable suction disc at the same time, corners of the sheet material are bent when the swinging rod is driven by the air cylinder to swing, so sheet material absorbed together can slide relative to each other and a gap is formed; and sheet material are layered. The automatic sheet material feeding apparatus can be applied to various sheet material machining beds.

The invention provides a processing method of a starch raw material, which comprises the following steps that: (1) starch raw material powder is mixed with water to obtain starch slurry, and the starch slurry is mixed with amylase; (2) the secondary injection is carried out; (3) by flash vaporization and cooling, a liquefied liquid is obtained after the flash vaporization; (4) the liquefied fluid is in contact with a protein flocculant, and a mixture obtained after the contact keeps stand and is settled and separated to obtain a first liquefied serum layer and a flocculation layer; and (5) the flocculation layer is filter-pressed to obtain a second liquefied serum layer and residues. The invention also provides application of the method in the fermentation preparation of citric acid. The processing method provided by the invention has the advantages of reducing the consumption of energy and equipment of liquefied serum, reducing the production cost and improving the production efficiency.

The invention discloses a method for extracting phenolic wastewater based on a hydrophobic eutectic solvent. The hydrophobic eutectic solvent is used for extracting phenolic substances in wastewater,and the hydrophobic eutectic solvent comprises a hydrogen bond acceptor and a hydrogen bond donor, wherein the hydrogen bond acceptor is menthol, the hydrogen bond donor is at least one of tetradecanoic acid, hexadecanoic acid and octadecanoic acid, and a molar ratio of the hydrogen bond acceptor to the hydrogen bond donor is (1-2):1. The method for extracting phenolic pollutants in the phenolic wastewater by using the hydrophobic eutectic solvent has the advantages of simplicity in operation, short extraction time, realization of obvious interface and easy separation of an organic phase and awater phase during standing after extraction, and high removal efficiency of the phenolic pollutants.

The invention discloses a rainbow cocktail preparer which is characterized by comprising a stand and a wine outlet head, wherein the wine outlet head is vertically installed on the stand and is cylindrical; the inner part of the wine outlet head is provided with a cavity; the side wall of the wine outlet head is provided with a wine outlet hole; the wine outlet hole is communicated with the cavity; the cavity is communicated with a measuring cup; a motor is also installed on the stand; and the motor drives the wine outlet head to rotate by a drive device. The rainbow cocktail preparer injects wine into a cup by a machine instead of labor by utilizing a rotating centrifugal principle, and the prepared rainbow cocktail has good effect and more prepared layer and is incomparable to manual preparation. In addition, the invention has high efficiency, preparer drive by a rechargeable battery and portable and small-size effect.

The invention discloses a polar plate of a micro-disc type focused logging device. The polar plate comprises the polar plate and polar plate electrodes arranged on the plate surface of the polar plate, wherein the polar plate is in the shape of a rectangle, the two ends of the polar plate are in circular arc-shaped structures, and the polar plate electrodes comprise a main electrode A0 at the center of the plate surface of the polar plate, as well as an annular electrode M0 and an annular electrode A1 which are sequentially distributed on the periphery of the main electrode A0 from inside to outside; and two groups of semi-circular electrodes, namely a monitor electrode M1 and a monitor electrode M1', as well as monitor electrode M2 and a monitor electrode M2', are symmetrically distributed on the two sides of the annular electrode A1, the electrode distances from the monitor electrode M1, the monitor electrode M2', the monitor electrode M2 and the monitor electrode M1' to the main electrode A0 are equal, and after signals acquired by the two groups of the monitor electrodes are synthesized by a transformer, the two groups of the monitor electrodes controls the main current measurement. Since the electrodes of the novel polar plate are the two groups of the semi-circular type electrode structures and the overall dimension and the shape of the polar plate are further changed, the novel polar plate has the advantages of stable electric field, a large measurement dynamic range, high measurement precision, good layering capability and the like.

The invention discloses a flaky pastry biscuit manufacturing process, which comprises the following steps including (1) flour processing: the flour is averagely divided into two parts, cold water is added into one part of flour according to a flour-to-cold-water weight ratio being 3:1, stirring is carried out, hot water is added to the other part of four according to a flour-to-hot-water weight ratio being 2:1, stirring is carried out, the two parts of flour are mixed, and auxiliary ingredients are added and are stirred for 12 to 25 minutes; (2) flake making: the mixture is uniformly filled into a laminating machine through high pressure, the materials are folded into eight layers of biscuit flakes, crisp materials are spread on each layer of the biscuit flake, and the five-time flake pressing is carried out through a flake pressing machine; (3) forming; (4) baking: the materials enter a segmented baking oven to be firstly subjected to 300 to 320 DEG C high-temperature baking and then enters a natural cooling step to be cooled to normal temperature, and then, the materials are baked at 200 to 220 DEG C for 10 to 30 minutes; (5) oil spraying; and (6) cooling and packaging. The flaky pastry biscuit manufactured by the flaky pastry biscuit manufacturing process provided by the invention has the advantages that the flaky effects are good, each flake is very thin, the flakes are many, the sheds are fine, the outer side is crispy, the inner side is soft, the texture is loose and soft, the flavor is not greasy, the flaky pastry biscuit is suitable for people in all age stages to eat, the flavor is unique, and the fragrance is rich.

The invention provides a chassis structure for a refrigerating container, which comprises two bottom side beams which are longitudinally arrayed, an auxiliary floor which is arranged between the two bottom side beams and a bottom beam which is arrayed transversely, wherein both ends of the bottom beam are connected with a left bottom side beam and a right bottom side beam respectively. The chassis structure of the refrigerating container is characterized in that the auxiliary floor is a flat plate; the chassis structure also comprises a plurality of reinforcing ribs which are arrayed transversely with a preset space and welded to the upper side of the auxiliary floor, and both ends of each reinforcing rib are connected with the left bottom side beam and the right bottom side beam respectively; and the bottom beam comprises a main bottom beam and two auxiliary bottom beams, wherein lower edges of the main bottom beam and the auxiliary bottom beams are parallel to that of the bottom side beams, and upper edges of the main bottom beam and the auxiliary bottom beams are higher than a plane formed by the auxiliary floor. The chassis structure reduces the damage probability of the auxiliary floor, improves the repairing efficiency, reduces the cost, can achieve the automatic welding and automatic painting, and improve the production efficiency and the product quality, so that the structure strength, the shock resistant capability and the capability of preventing foam from layering of a base plate are improved.

The invention relates to a method for preparing saponifier by directly recycling saponification wastewater produced by the extraction and separation of rare earth, which belongs to the field of rare earth hydrometallurgy. In the invention, the saponification wastewater produced by the extraction and separation of the rare earth is directly recycled to prepare the saponifier; the saponification wastewater is recycled according to different ammonium chloride or sodium chloride contents of the wastewater and the characteristics of contained trace rare earth elements as well as the requirements for extraction and separation purity of the rare earth; the saponification wastewater is recycled, which reduces the discharge of wastewater, reduces the using amount of pure water, improves the ammonium chloride or sodium chloride contents of the wastewater, reduces the energy consumption on concentrating, crystallizing and recycling ammonium chloride or sodium chloride, improves the rare earth yield, and lowers the organic consumption.