Patents
Literature
Hiro is an intelligent assistant for R&D personnel, combined with Patent DNA, to facilitate innovative research.
Hiro

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

Method for extracting grease from schizochytrium

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.
Owner:ENN SCI & TECH DEV

Rapid-heating-assisted ultrasonic stripping method for two-dimensional nanometer Ti3C2 lamella

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.
Owner:HARBIN INST OF TECH

Three-dimensional biological printing device and method

ActiveCN104441654ARapid chemical cross-linking and curingThe structure of each layer is stableSemiconductorTemperature control
The invention discloses a three-dimensional biological printing device and a three-dimensional biological printing method. The three-dimensional biological printing device comprises a printing sprayer, a first temperature control module, an auxiliary sprayer, a forming platform and a semiconductor chilling plate, wherein the printing sprayer is used for loading a sol state thermo-sensitive type material solution, and spraying and printing the material solution to the forming platform; the first temperature control module is arranged on the periphery of the printing sprayer and used for maintaining temperature of the material solution; the bottom of the forming platform is provided with the semiconductor chilling plate; the auxiliary sprayer is used for loading a chemical crosslinking agent and spraying the chemical crosslinking agent to a layer of material solution on the forming platform in an atomizing manner; while the device is used for printing, the chemical crosslinking agent is sprayed to the layer of material solution to the forming platform in the atomizing manner after a layer of sol state material solution is sprayed. Through the adoption of the three-dimensional biological printing device and the three-dimensional biological printing method disclosed by the invention, the printed three-dimensional structure is good in layering effect, and the structure is stable.
Owner:SHENZHEN GRADUATE SCHOOL TSINGHUA UNIV

Intelligent weeding drone automatic target spraying flow control device and method

ActiveCN109258601ARealize a breakthrough in intelligent researchMeet real-time requirementsAircraft componentsWeed killersControl systemHandling system
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.
Owner:SOUTH CHINA AGRI UNIV

Acanthopanax seed propagation method

The invention relates to a method for wilsonii seed breeding, which is to solve problem of low rate of emergence in current technology, characterized in that it comprises the following steps: treatment of temperature-change stratification; room treatment; mixing wilsonii seed with sand before November according to ratio of 1:5-6, and then putting into culture box or culture bed with the thickness being 15-20 cm to culture for 100-120 days under 15-17 Deg. C, low temperature treating in second part of next year February, which in detail is to sift seed and put under 0-5 Deg. C for 30-40 days without being influenced by freezing of 0-minus 30 Deg. C. The rate of emergency in this invention is over 85%.
Owner:HEILONGJIANG BAYI AGRICULTURAL UNIVERSITY

Automatic sheet material feeding apparatus and feeding method preventing absorbing multi-layered sheet material

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.
Owner:扬州恒佳机械有限公司

Processing method and application of starch raw material

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.
Owner:COFCO BIOTECHNOLOGY CO LTD

Multilayer stubble-cleaning rotary-cultivation fertilizing seeding machine

InactiveCN102626009ACompact structureImprove technology integrationSpadesPloughsAgricultural engineeringSoil moisture content
The invention discloses a multilayer stubble-cleaning rotary-cultivation fertilizing seeding machine, which relates to the technical field of the seeding machine. The seeding machine comprises a transmission case, a main stander and a fertilizing device assembly, and the seeding machine is characterized in that the main stander is sequentially fixedly provided with a seed-row stubble-cleaning cutter shaft assembly, a disc-type rotary-cultivation cutter shaft assembly, a profiling ground wheel assembly, an arc deep loosening cutter and layering fertilizer assembly, a wheel-type compact furrow-opener assembly and a seeding device assembly from right to left. A cutter shaft of the seed-row stubble-cleaning cutter shaft assembly and a cutter shaft of the disc-type rotary-cultivation cutter shaft assembly are connected with the transmission case, and the profiling ground wheel assembly supplies power to a fertilizer on the fertilizing device assembly and a seeding mechanism on the seeding device assembly. According to the invention, the application range of the seeding machine can be enlarged, the utilization efficiency can be improved, the seeding machine is not only applicable to the high efficient fertilizing and seeding of corns, but also is applicable to the high efficient fertilizing and seeding of crops such as cotton, soybeans, and sunflowers, the seeding machine is insensitive to the soil moisture content and the quantity of the stubbles, and the operating efficiency is high.
Owner:薛世川

Aramid filament warping, sizing and drawing equipment

The invention discloses aramid filament warping, sizing and drawing equipment. The aramid filament warping, sizing and drawing equipment comprises a warping mechanism, a sizing mechanism and a re-beaming mechanism which are arranged along the advancing direction of aramid filaments sequentially, the warping mechanism comprises a bobbin creel, a destaticizing device and a tension frame, the sizing mechanism comprises a size box, a preheating oven, a drying room, a waxing device and a take-up device which are arranged along the advancing direction of the aramid filaments sequentially, a drawing roller is arranged on the inner side of a filament inlet of the size box, a first sizing roller, a second sizing roller, a third sizing roller and a fourth sizing roller are arranged in the size box along the advancing direction of the aramid filaments sequentially, a first squeezing roller is arranged at the top of the second sizing roller, and the re-beaming mechanism comprises a beam creel. The aramid filament warping, sizing and drawing equipment is applicable to processing the aramid filaments, is simple in structure, convenient to use and higher in working efficiency, and can achieve centralized control.
Owner:盐城市荣意来纺机有限公司

Condensing heat exchanger with inverted-V-shaped structure for gas water heater

The invention relates to a condensing heat exchanger with an inverted-V-shaped structure for a gas water heater. The condensing heat exchanger is characterized in that the condensing heat exchanger comprises a smoke collecting hood, wherein a condenser box is arranged above the smoke collecting hood through a condenser bracket; a smoke inlet is formed in the middle position of the bottom of the condenser box; a symmetrical corrugated pipe array and an inverted-V-shaped baffle plate are sequentially arranged between the bottom of the condenser box and a condenser cover with a smoke exhaust opening; and a condensed water outlet is formed in a low position of the bottom of the condenser box. When the condensing heat exchanger works, due to the blocking function of the inverted-V-shaped baffle plate, flue gas flows backwards in two ways and enters the parallel corrugated array pipe area, and inverted-V-shaped forced convection heat transfer is formed, so that the temperature of the flue gas is reduced and the flue gas is collected on the two sides of the inverted-V-shaped baffle plate and then exhausted via the smoke exhaust opening; and the flue gas flowing path is in a double-inclined-Z-shaped curve, and the heat transfer efficiency is high. The condensing heat exchanger has the advantages of compact structure, simplicity, practicality, energy conservation, material conservation and relative low cost, and condensed water cannot be produced on a main heat exchanger.
Owner:GUANGDONG MACRO GAS APPLIANCE

Elliptic linear vibrating screen

The invention discloses an elliptic linear vibrating screen. The elliptic linear vibrating screen comprises a screen frame system, wherein the screen frame system consists of left and right side plates (11), a side plate connecting beam (10), cross beams (9) and a screen mesh (12), the screen frame system is supported by a vibrating screen supporting system (8), and the upper part of the screen frame system is provided with two groups of vibration excitation devices. The elliptic linear vibrating screen disclosed by the invention has the advantages that the screening processing capacity is high, the screening efficiency is high, the stroke and a stroke angle can be conveniently adjusted, and the overhauling is convenient.
Owner:HUNAN ZHAOSHENG MINING MACHINERY

Preparation method of Ti3C2 powder

The invention discloses a preparation method of Ti3C2 powder, which comprises the following steps: (1) preparing Ti3AlC2 ceramic powder as a raw material, and etching the Ti3AlC2 ceramic powder in a water bath; (2) adjusting the pH value of the solution, so that the solution is neutral; (3) carrying out centrifugal dispersion on the solution, and carrying out ultrasonic stripping to obtain a Ti3C2nano suspension; and (4) rapidly drying the Ti3C2 nano suspension through a spray dryer, wherein the temperature of an air inlet is 180 DEG C, the temperature of an air outlet is 80 DEG C, and the feeding speed is 300 ml / h.
Owner:SOUTHWEST JIAOTONG UNIV

Rigid sediment water sample layered sampling and real-time monitoring device

PendingCN109490500AReal-time water quality monitoringMeet analysis testWithdrawing sample devicesTesting waterNitrogenOrganic matter
The invention discloses a rigid sediment water sample layered sampling and real-time monitoring device. The rigid sediment water sample layered sampling and real-time monitoring device mainly comprises a pore water sampling device which downward stretches into a sampling region; the pore water sampling device is composed of at least two pore water sampling units; upper ends of the pore water sampling units are fixed through a fixed pipe; an overlying water collection groove is arranged in the middle of the fixed pipe and an operation handle is arranged at the upper part of the fixed pipe; thepore water sampling device comprises a water-permeable protection cover body; a sampling plate is arranged on an inner side face of the water-permeable protection cover body; a polypropylene film collection pipe is wound on the inner side face of the collection plate; and two pipe ends of the polypropylene film collection pipe penetrate through the fixed pipe and the operation handle to be led outthrough a solution output pipe and then are communicated with a pulling collection device. By adopting the rigid sediment water sample layered sampling and real-time monitoring device, pore water atdifferent depths of rigid sediment and overlying water can be collected and the overlying water can be subjected to water quality monitoring in real time; and meanwhile, the device ensures that a sample obtained by sampling can meet analysis tests of inorganic matters including metal elements, nitrogen, phosphorus and the like and other organic matters.
Owner:ANHUI UNIV OF SCI & TECH

Fixed double-layer-bed ion exchange resin regenerating method and apparatus thereof

The invention relates to a regeneration method of ion exchange resin in a fixed double-bed water treatment device and a water treatment device / regeneration device adopting the regeneration method. The regeneration method is composed of the following steps: that is, the resin is subjected to countercurrent and reverse flushing with dilute regeneration solution-pre-regeneration, the regeneration solution is used to stand to soak the resin, and the thick regeneration solution is used to perform countercurrent regeneration of the resin without top pressure, water The regeneration solution is replaced by countercurrent, and finally the resin is flushed forward step by step.
Owner:王廷生

Method for extracting phenol-containing wastewater based on hydrophobic eutectic solvent

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.
Owner:ZHEJIANG UNIV OF TECH

High-efficienct algae-removing and clean water reduction method

The present invention relates to a method to eliminate blue green algae highly effectively and reduce rinsing. The present invention relates to a solution to polluted water region, in particular to the method to eliminate the blue green algae in lake areas polluted by blue green algae. The method of the present invention is that (1) preparing stripping solution, each component is mixed according to the weight ratio that calcium oxide is 3 to 6 percent, sodium chloride is 10 to 15 percent and the rest is aluminium sulphate and then water is added to prepare into the stripping solution; (2) blue green algae delamination, each kilogram of blue green algae is added with 0.1 to 2 gram stripping solution to mix and then is in static arrangement for 5 to 30 minutes to lead the blue green algae to float on the surface; {3}stripping the blue green algae, the rinsing in the lower layer is sent back to the water region and the rest concentrated blue green algae solution is filtrated, dehydrated and recycled. The method to eliminate blue green algae has the advantages of fast speed, good effect, low investment and cost.
Owner:李贵生

Preparation method of delaminated two-dimensional transition metal carbide or carbonitride-trititanium dicarbide with improved antibacterial property

The invention discloses a preparation method of delaminated MXene-Ti3C2 with improved antibacterial property. The preparation method comprises the following steps of (1) mixing a Ti3AlC2-MAX-phase ceramic powder and an HF (hydrogen fluoride) solution, stirring the obtained mixed solution to react under the oil bath condition, and finishing the reaction, so as to obtain an intermediate solution; (2) washing and centrifuging the intermediate solution by deionized water until the pH (potential of hydrogen) value of a supernatant is 5 to 6; continuing to wash by ethyl alcohol, and centrifuging, soas to obtain a precipitate; drying, so as to obtain the MXene-Ti3C2 powder; (3) uniformly mixing and stirring the obtained MXene-Ti3C2 powder in step (2), and hydrazine hydrate or isopropylamine solution, and stirring to react, so as to obtain an intermediate solution; (4) treating the obtained intermediate solution in step (3) by ultrasonic waves, filtering the solution after ultrasonic treatment by a filter membrane, and drying, so as to obtain the delaminated MXene-Ti3C2 with improved antibacterial property. The preparation method of the delaminated MXene-Ti3C2 with improved antibacterialproperty has the advantages that the preparation and delaminating of the MXene-Ti3C2 can be realized, and the prepared delaminated MXene-Ti3C2 has an improved antibacterial property.
Owner:ZHEJIANG UNIV

Method for detecting content of cyanide in milk and milk powder

The invention relates to a gas chromatography-serial four-rod mass spectrometric detection method for detecting the content of cyanide in milk and milk powder. A sample is placed under an alkaline condition; octadecyl trimethyl ammonium bromide is taken as a phase transfer catalyst; Pentafluorobenzyl Bromide (PFB-Br) is taken as a derivation reagent; the cyanide ion (CN-) is derived into a volatile derivative product Pentafluorobenzyl Bromide (PFB-Br); and gas chromatography-serial four-rod mass spectrometric (GC-MS / MS) detection is adopted and a standard curve method is adopted for quantifying, thereby acquiring the content of cyanide in the sample. The method provided by the invention is adopted for detecting the content of cyanide in milk and milk powder and has the advantages of simple and convenient operation and high sensitivity.
Owner:INSPECTION & QUARANTINE TECH CENT OF QINHUANGDAO ENTRY EXIT INSPECTION & QUARANTINE BUREAU

Multifunctional water well packer

The invention discloses a multifunctional water well packer which comprises an external working barrel and a central pipe arranged in an inner cavity of the external working barrel. The outer portion of the middle segment of the external working barrel is sleeved with packing pieces, at least one well washing hole communicated with an annulus between the working barrel and the central pipe from the outer side of the external working barrel is formed in the position, above the packing pieces, of the external working barrel, an upper pressing control type well washing mechanism is arranged in the annulus between the central pipe at the positions of the well washing holes and the external working barrel, and an internal anchoring mechanism is arranged at the position, above the upper pressing control type well washing mechanism, of the external working barrel. A setting mechanism is arranged below the packing pieces, and a slip anchoring mechanism is arranged below the setting mechanism. The internal anchoring mechanism can prevent well washing liquid pressure from unsetting the packer. The slip anchoring mechanism can avoid packer wriggle caused by fluctuation of water injection pressure. The upper pressing control type well washing mechanism can achieve reverse circulation well washing.
Owner:CHINA PETROLEUM & CHEM CORP +1

Rainbow cocktail preparer

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.
Owner:林波

Polar plate of micro-disc type focused logging device

ActiveCN102352748AGuaranteed detection depth requirementsReduce widthSurveyPower flowTransformer
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.
Owner:西安威盛电子科技股份有限公司

Flaky pastry biscuit manufacturing process

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.
Owner:ANHUI MEIDAI FOOD LIMITED

Air source heat pump system with functions of large-temperature-difference graded heat storage and graded heat use

The invention relates to the field of heating ventilation air conditioning, in particular to an air source heat pump system with functions of large-temperature-difference graded heat storage and graded heat use. The system comprises an enhanced vapor injection compressor, a condenser, an economizer, an air-cooled evaporator, a gas-liquid separator, a high-temperature hot water storage tank, a low-temperature hot water storage tank and a plurality of solenoid valves and water valves, wherein the high-temperature hot water storage tank comprises a finned tube, a shell, an inlet end and an outletend; the high-temperature hot water storage tank is arranged in parallel with the condenser, and the condenser, the economizer and the low-temperature hot water storage tank are arranged in series. The system uses water to store excess heat when the ambient temperature is higher, heat in the water can be utilized in grades when the ambient temperature is lower, so that reasonable energy use is achieved, and the energy efficiency ratio of the system is improved; the high-temperature hot water storage tank not only has a good layered effect, but also has a simple structure, and the processing and production are easy.
Owner:NORTHEAST DIANLI UNIVERSITY

Device and method for preparing egg-type alloy welded ball

The invention discloses a device for preparing an egg-type composite alloy welded ball and a preparation method thereof. The traditional uniform drop jetting device is utilized, a cylindrical internal screw liquid nitrogen circulating cooling device is added, a spiral pipe is filled with flowing liquid nitrogen, and the temperature in the cooling device can be maintained to be within an appropriate range. When a high temperature drop-state alloy metal welded ball enters into a spiral-type cooling device, and heat transfer is carried out between exterior of the drop-state alloy metal welded ball and air in a cavity, thus a temperature gradient is formed between the inner core and the shell of the welded ball, and the temperature gradient causes the welded ball to form a layered egg-type structure. By utilizing the technical scheme in the invention, the drop-state alloy metal welded ball can form a layered structure that the center is a Cu core and the exterior is Sn-Bi alloy in a falling process, thus a core-shell structure can be rapidly formed and the welded ball with better comprehensive properties can be obtained.
Owner:TIANJIN UNIV

Underframe structure of refrigerated container

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.
Owner:TAICANG CIMC REEFER LOGISTICS EQUIP CO LTD +2

Regulating multi-layer beef pie processing method

The present invention discloses a regulating multi-layer beef pie processing method which comprises the following processing steps: 1) ingredients are blended; 2) fine trimmed beef knuckle is taken and cut into blocks with a length of 3-5 cm and the fine beef is minced into fine beef stuffing with a diameter of not more than 6 mm using a mincing machine; 3) the mixture of the blocks and the stuffing and the ingredients are stirred together; 4) the stirred raw materials are put into casings using a filling machine; 5) the filled casings are put into a refrigeration storage at -35 DEG C to conduct quick-freezing and shaping; 6) the shaped materials are thawed to -2 to -5 DEG C and the thawed materials are sliced; 7) the sliced raw material beef slice is subjected to slice pressing using a press molding machine at a pressure of 0.4 MPA; 8) the pressed material is quick-frozen and sawed into slices; and 9) the sawed slices are packaged. The prepared regulating multi-layer beef pie by the processing method is good in layering effect, no adhesion occurs between layers and a complete product can be formed.
Owner:河南伊赛牛肉股份有限公司

Method for preparing saponifier by directly recycling saponification wastewater produced by extraction and separation of rare earth

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.
Owner:BAOTOU JINGRUI NEW MATERIAL

Full-automatic and unpowered sealed type oil-water separator

The invention relates to a full-automatic and unpowered sealed type oil-water separator. According to the market use conditions of an existing product and based on the use characteristics of water, oil and gas, the mixing and air flotation diffusion separation technology of water, oil and gas of an ejector, centrifugal separation technology of oil and water of a whirlcone and sedimentation method gravity separation technology are comprehensively adopted to realize the full-automatic and unpowered sealed type oil-water separator through the joint use of the electric programming, detection and switch technology and the joint use of dynamic separation technology and static separation technology. Theoretically, the full-automatic and unpowered sealed type oil-water separator is an overall thinking innovation for an existing sedimentation method gravity separation theory which is a static separation theory requiring of reducing the flowing speed and impact of an inlet liquid of the oil-water separation tank to accelerate the oil-water separation effect. The full-automatic and unpowered sealed type oil-water separator aims to provide an oil-water separator with high oil-water separation rate, small floor area, low investment cost, zero mechanical use failure, convenient use and maintenance, and no smelling pollution to a processing site; and the oil-water separator is particularly suitable for oil-water separation of restaurant kitchen industry.
Owner:邱熙

Combined motion type mixed particle layering device and working method thereof

The invention relates to a combined motion type mixed particle layering device and a working method thereof. A balance plate and a supporting shaft are arranged on the bottom of a material bin; the supporting shaft is in matched connection with a joint bearing base on the top of the bracket through a joint bearing; the balance plate sleeves outside the supporting shaft; two positioning columns arearranged on the bottom surface of the balance plate, and are connected with the top end of a connecting rod through universal joints; the bottom end of the connecting rod is connected with a side extending shaft at one side of an eccentric wheel; the eccentric wheel is driven by a motor to rotate; and the eccentric wheel, the connecting rod and the balance plate which are correspondingly connected co-define crank and rocker mechanisms. Number of electrifying corresponding motors in the two groups of crank and rock mechanisms arranged in the X axis and the Y axis is controlled, and number of working crank rockers is controlled, so that the material bin independently swings in the X-axis direction and the Y-axis direction, motion in the X-axis direction and the Y-axis direction is synthesized for enabling the material bin to perform peripheral motion, and therefore, the layering effect is better, and the structure is simple and novel.
Owner:UNIV OF SCI & TECH LIAONING

Intelligent drilling rig with sample collection function for geotechnical engineering investigation

The invention relates to the field of geological investigation, in particular to an intelligent drilling rig with a sample collection function for geotechnical engineering investigation. The technical problems that drilling and sampling work cannot be conducted synchronously, if the side wall of a drilled hole collapses, the layering effect of a taken sample is poor, and representativeness of the sample at different depths is damaged are solved. The drilling rig with the sample collection function for geotechnical engineering investigation comprises a drilling unit, a sample collection unit and the like, and the inner side of the drilling unit is connected with a sample collection unit. The fine collecting pipe for collecting samples is arranged in the drill rod, the vacuum generator generates low pressure in the collecting pipe, rock and soil powder is evenly sucked into the collecting pipe, and the drilling speed and time of the drill bit are controlled by the infrared distance measuring probe during the period. And the distribution state of the rock-soil samples at different depths collected in the collecting pipe is close to the real depth distribution state of the rock-soil samples at different depths.
Owner:QINGDAO PROSPECTING INST OF GEOLOGICAL ENG +1
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Patsnap Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More
PatSnap group products