1996results about How to "Meet quality requirements" patented technology

The invention discloses a method for acquiring a range image by stereo matching of multi-aperture photographing based on color segmentation. The method comprises the following steps of: (1) carrying out image correction on all input images; (2) carrying out the color segmentation on a reference image, and extracting an area with consistent color in the reference image; (3) respectively carrying out local window matching on the multiple input images to obtain multiple parallax images; (4) removing mismatched points which are generated during the matching by applying a bilateral matching strategy; (5) synthesizing the multiple parallax images into a parallax image, and filling parallax information of the mismatched points; (6) carrying out post-treatment optimization on the parallax image to obtain a dense parallax image; and (7) converting the parallax image into a range image according to the relationship between parallax and depth. By acquiring range information from multiple viewpoint images and utilizing image information provided by the multiple viewpoint images, the invention can not only solve the problem of mismatching brought by periodic repetitive textural features and shelter and the like in the images, but also can improve matching precision and obtain an accurate range image.

The invention discloses alcohol-free fountain solution with high viscosity and low surface tension. The alcohol free fountain solution with high viscosity and low surface tension comprises the following components by weight, 30-55 parts of alcohol solvents, 2-6 parts of buffer agents, 3-8 parts of wetting agents, 1-4 parts of surface active agents, 0.3-2.2 parts of antifoaming agents, 0.5-3 parts of thickening agents, 0.5-1.2 parts of anticorrosion and bactericidal agents, 1-3 parts of penetrating agents, 0-2 parts of electrolyte and 20-45 parts of viscosity modifier water. The fountain solution is free of volatile solvents containing alcohol and isopropyl alcohol and pollution to the environment, the surface tension ranges from 4*10-2N / m to 7*10-2N / m, pH ranges from 4.8 to 5.5, the heat conduction rate ranges from 800mus / cm to 1200mus / cm, and therefore, quality requirements of the fountain solution can be met better.

This invention discloses a poor quality catalytic cracking diesel hydrogenation method. This invention includes two stages hydrocracking dealing with catalytic cracking diesel, especially the poor quality catalytic cracking diesel from catalytic hydrogen transfer process. The density of the related poor quality catalytic cracking diesel is 0.90g / ml at 20deg.C, and its aromatic hydrocarbon is over 60wt%, and the value of hexadecane is less than 30. Mixing poor quality catalytic cracking diesel and heavy cracking material and conducting hydrogenation, hydrocracking is conducted after removal of sulphur, nitrogen and other impurities from reaction oil. It is a sufficient utilization of the feature that low hydrogen and high aromatic hydrocarbon content of catalytic cracking diesel to produce Gaofangqian heavy naphtha in order to realize the effective utilization of the poor quality catalytic cracking diesel.

The invention discloses a recycling method of high-salinity wastewater. Sodium sulfate and sodium chloride are recycled through three steps of primary evaporative crystallization, cooling crystallization and secondary evaporation crystallization. According to the method disclosed by the invention, sodium sulfate and sodium chloride in the high-salinity wastewater of coal chemical industry can be effectively recycled; the method is simple and stable in technological conditions; industrial popularization is facilitated; the recycled sodium sulfate and sodium chloride meet the quality requirements of industrial products, and can be directly recovered and applied mechanically or sold as byproducts, so that the target of treating the high-salinity wastewater is reached; the requirements of the current environment-friendly situation are met; waste is changed into treasures; resource utilization of salts is achieved; and benefits of factories are improved.

The invention discloses an intelligent purification cabinet type fresh air ventilator. The intelligent purification cabinet type fresh air ventilator comprises a controller and a VOC (Volatile Organic Compounds) concentration sensor connected with the controller, wherein the VOC concentration sensor is arranged in an air return space; the controller is used for adjusting operating air velocities of an air blower and an exhaust fan in real time according to VOC concentrations detected by the VOC concentration sensor at a fixed time interval. Furthermore, the controller is also used for automatically obtaining outdoor air quality indexes periodically, and controlling the air blower and the exhaust fan, and when the outdoor air quality levels are serious pollution and severe pollution, the air blower and the exhaust fan are powered off. According to the intelligent purification cabinet type fresh air ventilator, the VOC concentration sensor, a humidity sensor and a plurality of temperature sensors are arranged inside a shell, so that the intelligent control of the complete machine is realized. The structure inside the shell is reasonably designed, and a three-stage purification device and a negative ion generator are arranged in an air supply channel, so that the quality demand on indoor air is met, and the purification efficiency of fresh air is ensured.

The invention provides a production method of a stable enhanced type solid wood profile improved by a wood carbonization and acetylation process, which belongs woodwork production technique. The production method comprises the following steps of: a, drying treatment, wherein the wood moisture content is reduced to be as low as 5.0 to 8.0 percent, the moisture content deviation in the wood thickness is less than 2.0 percent, and the wood internal residual stress is less than 2.0 percent; b, carbonizing treatment; c, acetylation treatment; and d, equalization treatment. The invention also discloses a stable enhanced type solid wood profile prepared by the production method. The solid wood profile prepared by the method is stable, has high corrosion resistance and weathering resistance, high output, long product service life and wide utilization ways, is favorable for realizing flow line production, and is convenient for industrialization.

The invention belongs to the field of pharmaceutical agents, relates to a polymer micelle lyophilized agent encapsulating an insoluble antitumor drug as well as a preparation method and an application thereof. The polymer micelle lyophilized agent is prepared by carrying out molecular self-assembly on a methoxy poly(ethylene glycol) 2000-polyester block copolymer to form micelles, and then encapsulating the insoluble antitumor drug in a hydrophobic core formed by the polyester. The lyophilized agent has high encapsulation rate, high drug loading and small particle size, can significantly improve the water solubility of the insoluble drug and result in passive targeting of more antitumor drugs to concentrate in the tumor tissues, thus improving an anti-tumor treatment effect and reducing the toxic and side effects of drugs, and can be used to prepare the drugs used for the treatment of lung cancer, intestinal cancer, mammary cancer, ovarian cancer, etc. The lyophilized agent can also be quickly dissolved and dispersed to form a transparent micellar solution after water for injection, normal saline solution and the like are added, and is used for the preparation of the drugs for treating primary intestinal cell carcinoma.

The invention provides a resourceful treatment method for aluminum ash. Firstly, denitrification treatment, defluorination treatment and arsenic removal treatment are conducted so that nitrogen in the aluminum ash can be separated out in the form of ammonia gas to be recycled, harmful substances such as fluorine and arsenic are volatilized out, roasting is conducted, and aluminum ash clinker is obtained; and then metal impurity removing treatment is conducted, the roasted aluminum ash clinker is broken and finely ground and then is leached through diluted acid, metal impurities such as K2O, Na2O, CaO and MgO in the aluminum ash clinker are dissolved out, iron is removed through magnetic separation, and after pressure filtration separation, a finished aluminum oxide product is obtained through drying. According to the resourceful treatment method for the aluminum ash, aluminum oxide, metallic aluminum and the like in the aluminum ash can be recycled, byproducts such as ammonia water and iron are obtained, waste is turned into wealth, the social resource utilization rate is increased, meanwhile, components of fluorine and arsenic in the aluminum ash are removed, innocent treatment is done, and environment protection is facilitated.

The invention discloses a device for adjusting the posture of a welding gun, which is used for a welding robot. The device comprises a first guide device arranged on the welding robot and a first driving device arranged on the upper part of the welding gun (0), wherein the first driving device drives the upper part of the welding gun (0) to sway along the first guide device, and the guiding center of the first guide device coincides with the endpoint at the tail end of the welding gun (0). In the working process of the welding gun, the first driving device drives the upper part of the welding gun (0) to sway along the first guide device, and because the guiding center of the first guide device coincides with the endpoint at the tail end of the welding gun (0), when the upper part of the welding gun (0) sways along the fist guide device, the position of the endpoint at the tail end of the welding gun (0) is not changed, and the posture of the welding gun (0) in the welding process is changed, so the welding stability and the welding seam quality can be stably ensured for a long time.

The invention discloses a metal wire rod precision alignment cutting device and a method. The device comprises a double-layer machine frame. A front end guiding tank, a revolving alignment tank, a traction mechanism, a back end guiding tank, a cutting mechanism and a machinery sizing mechanism are arranged on the top portion of the double-layer machine frame. The revolving alignment tank comprises a revolving alignment straight tank support seat, an alignment guiding tank, a plurality of alignment modules and a protection cover. The traction mechanism comprises a traction mechanism support seat, a servo motor, a driving friction wheel and a driven friction wheel. The cutting mechanism comprises a cutting wheel support frame, an air cylinder, a cutting wheel motor and a slice-shaped cutting wheel. The machinery sizing mechanism comprises a horizontal scale plate, a pressure sensor, an infrared transmitting sensor and an infrared receiving sensor. The method includes the steps that the metal wire rod enters the revolving alignment tank through a front end guiding rank. The metal wire rod is alignmented, tracted, cut and prepared and enters the next working circulation. The metal wire rod precision alignment cutting device and the method is high in automatic degree. The shape of the cut metal line segment and the size precision are high. The cutting opening is smooth, free of deckle edge and free of splitting off. The metal wire rod precision alignment cutting device and the method are strong in practicality.

An embodiment of the invention provides a dual-band adaptive concurrent handling method and a dual-band adaptive concurrent handling device. By means of adopting statistical information of a first frequency band service and a second frequency band service in the Nth adjusting period, service performance of every frequency band service in the adjusting period can be acquired; on the basis of the statistical information and QoS (quality of service) requirements needing to be met by the two frequency band services, a second proportionality coefficient of time slots, occupied by the two frequency band services, in the (N+1)th adjusting period can be determined, switching between a first access and a second access in the (N+1)th adjusting period can be controlled according to the determined second proportionality coefficient, and thereby quality requirements of the two frequency band services can be met as far as possible and service quality can be improved.

The invention provides a cooling device of a fracturing truck. A support of the integrated cooling device of the fracturing truck is connected with a connection base and a chassis crossbeam connection frame through a shock pad by means of a bolt, a control device and a lubrication oil tank provided with a lubrication oil temperature sensor are arranged below the chassis crossbeam connection frame, a fuel tank provided with a fuel temperature sensor is arranged at the lower portion a truck crossbeam, the upper front portion of the truck crossbeam is provided with a hydraulic oil tank provided with a hydraulic oil temperature sensor, an electrically-controlled volume adjustable hydraulic pump is arranged at the lower portion of the hydraulic oil tank, the electrically-controlled volume adjustable hydraulic pump is connected with an engine provided with a water temperature sensor, and the other side of the engine is provided with a transmission tank provided with a transmission tank oil temperature sensor. A horizontal heat sink is respectively provided with an engine water-cooling device, a power end cooling device, a hydraulic cooling device, a fuel cooling device and a transmission tank cooling device. According to the cooling device of the fracturing truck, a horizontal structure and a concentrated heat dissipation mode are adopted, a pipeline of a cooling system is arranged reasonably, and the requirements for the weight and installation space of vehicle-mounted fracturing equipment are met.

The invention belongs to the field of pharmacy and relates to a medicinal preparation taking esomeprazole magnesium as an active ingredient, in particular to an esomeprazole magnesium enteric-coated pellet and a preparation method thereof. According to the esomeprazole magnesium enteric-coated pellet, medicines can be rapidly released in intestinal tracts. The esomeprazole magnesium enteric-coated pellet comprises the following structural layers in sequence from inside to outside: a medicine-contained layer, an isolation layer and an enteric-coated layer.

The invention discloses a discrete manufacturing process product quality information management system based on RFID (radio frequency identification). The system provided by the invention is characterized in that a first handset, a label printer, an warehousing access control scanning reader, a second handset, a third handset, an ex-warehouse access control scanning reader, a warehouse management sub-system, a monitoring computer and a database are used for completing the warehouse management; a first fixed reader-writer, a fourth handset, a second fixed reader-writer, a fifth handset, an assembling management sub-system, the monitoring computer and the database are used for completing the assembling management; a sixth handset, an after-sale management sub-system, the monitoring computer and the database are used for completing the after-sale management; the product quality information management system is capable of transmitting the quality information between a planning level and a workshop level in an enterprise; and the top management can know the production progress and product quality in real time, can accurately position faulty products, rapidly and accurately find a reason causing the quality defect. The invention further discloses a product quality information management method.

The invention relates to a black tea preparing method and particularly relates to a method for preparing congou black tea from anji white tea. The method sequentially comprises the following steps: picking based on a one-bud and one-leaf standard; withering; rolling; fermenting: arranging the rolled leaves to be fermented into a bamboo basket, controlling the leaf stacking thickness to be 8-10cm, uniformly spreading, and layering the leaves on a fermentation rack; fermenting by using a tea fermenting machine, controlling the air temperature at 35-40 DEG C, keeping the leaf temperature 30-32 DEG C, the relative humidity over 95% and sufficient oxygen supply, recording the fermentation time beginning from the rolling time, and controlling the fermentation time to be 5.5-6.0h. At the later period of fermentation, the temperature of a fermentation chamber is lowered and is controlled at 30-35 DEG C, so that the excessive fermentation is avoided; the moderate fermentation is carried out, and the fermented leaves are removed from the fermentation chamber, subjected to heat radiation, cooled and dried. By using the method, the anji white tea can be prepared into the congou black tea which is dark in luster, compact in strip, sweet and durable in fragrance, red bright in liquor color as well as pure, mild and fresh in taste.

The invention provides an integral recycling method of a lithium iron phosphate positive electrode material. The integral recycling method comprises the steps of (1) preparing paste from the lithium iron phosphate positive electrode material, mixing the paste and an acid for leaching reaction, and performing liquid-solid separation to obtain a leaching liquid and residue; (2) adjusting a pH valueof the leaching liquid to 1.5-3, and performing solid-liquid separation to obtain iron phosphate and a deironing acid liquid; (3) adjusting a pH value of the deironing acid liquid to 5-8, and performing solid-liquid separation to obtain a precipitant of aluminum and iron and a lithium-containing purification liquid; and (4) and performing post-treatment on the purification liquid to obtain a lithium product and a precipitation mother liquid. By the method, the recycling rates of lithium, iron and phosphate all are larger than 95wt%, the purity of the obtained lithium carbonate product is larger than 98.5wt%, the impurity content conforms to the requirement of GB / T11075-2013, the iron phosphate product conforms to the quality requirement (HG / T 4701-2014) of battery-level iron phosphate, theresidue discharging quantity is reduced by 85wt%, the flow is simple, and the process is clean.

The invention relates to a high polymer chemically-modified asphalt composition and a preparation method thereof. The preparation method comprises the following steps: chemically modifying rubber, elastomer and base asphalt, and additionally matching stuffing and processing aids; premixing the materials by high polymer processing equipment to prepare the master batch of the modified asphalt; and fully dispersing the master batch into the asphalt by a high-speed shear mixer or by mechanical stirring. Or the modified asphalt material can be prepared by firstly pre-preparing a viscous liquid mixture of modified asphalt and then stirring and mixing the viscous liquid mixture of modified asphalt with the base asphalt. The modified asphalt material prepared by the invention has stable storage performance at high temperature, good performance at high temperature and low temperature, stable processing and preparation and simple and convenient method, and not only can be directly used in factory production but also can be used for road laying sites and in the construction of waterproofing materials.

An endoscope system is equipped with a light source system configured to emit illumination light, a scanner configured to periodically scan the illumination light over a target area at predetermined time intervals by vibrating the tip portion of a scanning fiber, and an imager configured to receive the illumination light reflected from the target and to acquire image data corresponding to an observation image. The endoscope system further has an illumination controller that controls the light source system to emit first illumination light having a first spectrum characteristic during a scan interval, and to emit a second illumination light having a second spectrum characteristic during a return interval.

The invention discloses an extraction and purification process for medicinal components of Scrophulariaceae, namely an extraction and purification process for iridoid and phenylpropanoid components: pulverizing dry roots of Scrophulariaceae, soaking, water extraction, concentration of the extract, and ethanol precipitation , resin adsorption, ethanol elution, concentrated drying and other procedures obtained. The extraction and purification process of the invention has high extraction rate, can reach more than 50%, stable and controllable quality, simple method and low composition, and is suitable for large-scale industrial production, thereby providing a new way for the development and utilization of Scrophulariaceae.

The invention relates to a surface sizing agent for paper making, which has the material formula with a plurality of components and weight percentages as follows: starch 6.5-8%, styrene 4.5-6%, acrylonitrile 4-5%, n-butyl methacrylate 5.5-6.5, methacrylic acid iso-octyl 2-3.5, iso-octyl acrylate 0.4-1%, hydrogen peroxide 0.2-0.5%, formic acid0.5-1%, ferrous sulfate 0.5-4%, n-dodecyl mercaptan 0.5-3%, amylase 0-0.2% and water the rest, wherein at least one is chosen from n-butyl methacrylate, methacrylic acid iso-octyl and iso-octyl acrylate. The appearance of the surface sizing agent is slight yellow emulsion, and the main component is styrene-acrylic copolymer which is easily soluble at normal temperature. The surface sizing agent for paper making has the advantages of greatly increasing paper surface intensity, decreasing hair and powder shedding, and improving the sizing degree, smoothness and printability of paper.

The invention discloses a method for automatically selecting networks, which comprises the following steps: obtaining network parameter information by a terminal; judging that the terminal is located in a plurality of networks according to the network parameter information; and preferably requesting to access the pre-set networks from the plurality of networks by the terminal. The invention also discloses the terminal. The invention can allow the terminal to select the network access according to priority ratings of operators.

The invention discloses a method for recycling high-salt waste water containing sodium chloride and sodium sulfate, and belongs to the field of industrial waste water treatment. The method comprises the steps of filtering by a nanofiltration membrane, evaporating and crystallizing filtrate penetrating through the nanofiltration membrane to obtain sodium chloride, evaporating and crystallizing trapped fluid which cannot penetrate through the nanofiltration membrane to obtain sodium sulfate, returning a primary mother solution to the system, and mixing the primary mother solution with raw materials to be continuously recycled. By adopting the method, sodium sulfate and sodium chloride in the high-salt waste water can be effectively recycled, a purpose of treating the high-salt waste water can be realized, and the current environmental-protection demand can be satisfied, waste can be converted into treasure, the recycling of salts can be realized, and the benefit of factories can be increased.

The invention provides an automatic segmentation method based on self-adaptive external force level set for magnetic resonance images (MRIs) of soft tissue and a realization method thereof. The automatic segmentation method comprises the steps that object region tissue satisfying a gray threshold is selected under the circumstance of interactive operation; gradient information of a smoothened image is calculated; a curve evolution guiding function is set; a boundary stopping function is set; and if an evolutional curve exceeds the boundary of an object region, parameters of the boundary stopping function are adjusted, then curve evolution is re-conducted and the iteration is conducted again until the evolutional curve is converged within the boundary of the object region. The automatic segmentation method has the characteristics of high real-time performance, high operation efficiency, capability of segmenting multiple discrete regions at the same time, capability of accurately recognizing fuzzy boundaries of the soft tissue of a human body, high segmentation precision, clear image detail characteristics, high intelligent degree, no need of manual intervention, stable and reliable operation, and the like.

The invention discloses lenalidomide composition tablets and a preparation method thereof. The tablets comprise components in percentage by weight as follows: 10%-18% of lenalidomide crystals, 28%-40% of lactose, 28%-40% of microcrystalline cellulose, 1%-5% of konjac glucomannan, 10%-15% of beta-cyclodextrin, 5%-10% of sodium carboxymethyl starch, 0.5%-1.5% of sodium stearyl fumarate and 0.5%-1.5% of powdered cellulose. The preparation technology of the lenalidomide composition tablets is stable, simple and easy to operate, technological parameters are reliable, and the production cycle is shorter; experimental research shows that the lenalidomide raw material is stable in crystal form, higher in purity and capable of meeting the quality requirement of final products; the synthesis technology is concise, stable, feasible and applicable to mass production; the quality is controllable, the stability is better, and the lenalidomide raw material is unchanged under conditions of affecting factors such as the high temperature, high humidity and 10 days of illumination and is stable after being stored for 6 months under the acceleration condition.

The invention relates to a cold precision forging and forming method for car gear-box shafts and a die thereof, which belong to a metallic material plastic forming method and a die, and solve the problems that the prior process material has low utilization rate, dimensional precision and surface quality and has the strength incapable of meeting requirements. The method comprises the steps of preparing materials, determining the process, blank treatment and progressive forming. The die comprises an upper die holder and a lower die holder, an upper ejection device and a lower ejection device, five pairs of die units and fastening devices thereof; each pair of die units comprises an upper die and a lower die; the upper die consists of an upper sleeve, an upper shim plate, an upper support cylinder, an upper cushion cover, an upper concave die and an upper pressure ring; and the lower die consists of a lower sleeve, a lower shim plate, a lower support cylinder, a lower cushion cover, a lower concave die and a lower pressure ring. The method has the advantages of reasonable and stable process flow and high production efficiency; the die has the advantages of convenient manufacture, installation, use and maintenance, reliable work and long service life; and the dimensional precision, the surface glossiness and the strength of the produced shafts are improved.

The invention discloses a continuous casting method of a sulfur-containing easy-cutting pinion steel, belonging to the technical field of ferrous metallurgy and solving the problems of low pulling rate and output influence when qualified sulfur-containing easy-cutting pinion steel is produced in the prior art. The continuous casting method of the sulfur-containing easy-cutting pinion steel comprises the following steps of: a, injecting molten steel with the superheat degree of 15-30 DEG C into a crystallizer of a continuous casting machine charged with covering slag for cooling so as to obtain a continuous casting billet, and controlling the using amount of cooling water and the intensity of electromagnetic stirring; and b, pulling the continuous casting billet out of the crystallizer obtained from the step a, sequentially cooling through a secondary cooling zone and an air cooling zone, wherein the pulling rate is 1.3-1.8 m / minute, and the surface temperature of the continuous casting billet is controlled at 1000-1150 DEG C in the secondary cooling zone and controlled at 900-1050 DEG C when entering the air cooling zone. The continuous casting method disclosed by the invention ismainly used for the continuous casting of pinion steel with the section of 200*200 mm.

The invention relates to a test device and a test method for delivery capacity of a steam security valve based on system dryness control. The test device is mainly composed of a concurrent boiler, a steam separator, an energy storage and a test vessel through connecting in sequence. The test method for the delivery capacity of the steam security valve includes: regulating the opening degree of a regulating valve on a steam header to stabilize the steam pressure at a boiler outlet to avoid the unbalance between the steam supply amount of the boiler and the pressurization desired steam amount of the energy storage when testing different sizes of security valves; regulating the opening degree of a regulating valve between the energy storage and the test vessel to realize the stable discharge of the measured steam security valve; when testing the delivery capacity of the security valve, enabling the boiler to continuously supply gas for the energy storage system under pressure control so as to maintain enough pressure for the energy storage in testing, and accordingly the energy storage volume is reduced, and the device constructing cost is lowered; regulating the load of the concurrent boiler to change the overheat degree of the steam at the boiler outlet so as to meet the steam quality requirement in testing the delivery capacity. The test device and the test method have advantages of strong operating flexibility, stable system running and high testing precision.

The invention relates to an aluminum alloy welding wire for aerospace and a preparation method of the aluminum alloy welding wire for aerospace. The aluminum alloy welding wire for aerospace is characterized by comprising the following chemical components in percentages by mass: 6.2-7.0% of Cu, 0.06-0.10% of Ti, 0.1-0.5% of Cr, 0.05-0.2% of V, 0.1-0.5% of Mn, 0.5-1.5% of Sc, 0.05-0.2% of Te, 0.01-0.05% of Bi, less than or equal to 0.2% of Mg, less than or equal to 0.2% of Fe, less than or equal to 0.2% of Si, less than or equal to 0.05% of single content of other impurity elements, less than or equal to 0.15% of total content of other impurity elements and the balance of Al. The preparation method of the aluminum alloy welding wire for aerospace comprises the following steps: smelting, refining, casting, homogenization, extrusion, drawing, and surface treatment. The aluminum alloy welding wire for aerospace provided by the invention is fine in weld microstructure and good in crack resistance; the tensile strength, the plasticity and the toughness of welded joints are remarkably higher than those of common 5556, 5654, 2319 or 2325 welding wires.

The invention discloses a torch-flame cutting process for super-thick steel plates, which includes steps of utilizing a numerical-control torch-flame cutting machine for torch-flame cutting of the super-thick steel plates, placing a to-be-cut steel plate on the numerical-control torch-flame cutting machine while keeping the surface of the to-be-cut steel plate perpendicular to a cutting torch of the numerical-control torch-flame cutting machine and keeping the distance from the cutting torch to the surfaces of the to-be-cut steel plates ranging from 10mm to 30mm; setting cutting speed, preheating time, preheating oxygen pressure, cutting oxygen pressure and dimethylmethane pressure of the numerical-control torch-flame cutting machine; regulating flame strength of the cutting torch by utilizing the right-angle position formed between the surface of the to-be-cut steel plate and the lateral side thereof as an initial cutting point, enabling the secondary flame to be longer enough to reach the bottom of the to-be-cut steel plate, preheating the initial cutting point for a preset preheating time before initial cutting, and then turning on cutting oxygen, moving the cutting torch forwards when slag flows downwards along edges, and finally increasing moving speed of the cutting torch when the slag is discharged from the bottom until completing the normal cutting operation. The torch-flame cutting process for the super-thick steel plates is capable of guaranteeing quality of cut surfaces, is simple and stable, is safe in use and meets production requirements.

The invention relates to an aluminum alloy for a high power radiator. The aluminum alloy is characterized by being prepared from the following chemical components in percentage by weight: 0.50-0.55% of Mg, 0.40-0.45% of Si, less than 0.19% of Fe, less than or equal to 0.05% of Ti, less than or equal to 0.02% of Cr, less than or equal to 0.02% of Mn, less than or equal to 0.02% of Zn, less than or equal to 0.02% of Cu, less than or equal to 0.02% of a single content of other impurity elements, less than or equal to 0.15% of total content of other impurity elements and the balance of Al. According to a purification method of the melt of the aluminum alloy for the high power radiator, the hydrogen content in the aluminum alloy melt is reduced to below 0.07ml / 100g and the dregginess of the melt is reduced to below 0.01% by virtue of process control of aluminum alloy smelting, refining, degassing, deslagging and the like, so that the processing quality requirement on the aluminum alloy for the high power radiator is satisfied.