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Heat treatment deformation control method for large-diameter and large-modulus elliptical molded surface container semispherical shell
ActiveCN107513677APrevent collapseSmall quenching deformationFurnace typesHeat treatment process controlQuenchingAqueous solution
The invention relates to a heat treatment deformation control method for a large-diameter and large-modulus elliptical molded surface container semispherical shell and belongs to the technical field of container manufacturing. By means of the heat treatment deformation method, due to the fact that an integrated quenching and aging heat treatment tool is designed, the elliptical molded surface container semispherical shell and the heat treatment tool can be tightly matched, the quenching transfer time is shortened, the phenomenon that the top of the shell collapses and pits happen in the circumferential direction of the shell during quenching is avoided, quenching and time aging deformation is reduced, and therefore the heat treatment performance of the elliptical molded surface container semispherical shell can be ensured; and meanwhile, the subsequent machining precision of the shell is also ensured. In addition, a UCON water solution with the concentration ranging from 6% to 10% is adopted in the method to serve as a quenching medium, dynamic flowing of the water solution is maintained, the cooling speed and uniformity of the shell are ensured, meanwhile, quenching deformation is also controlled, and therefore the product precision is ensured.
Owner:AEROSPACE RES INST OF MATERIAL & PROCESSING TECH +1
Galena collecting agent and preparation method thereof
The invention provides a galena collecting agent. The galena collecting agent is prepared from the following raw materials in parts by weight: 30 to 50 parts of sodium xanthate salt, 20 to 40 parts of diphenyl amino phosphorodithioic acid, 5 to 15 parts of sodium dibutyl dithiocarbamate, and 10 to 30 parts of sodium carbonate. The collecting agent has the advantages of being high in selectivity, high in collecting capacity, high in mineral floating speed, and low in dosage; the collecting agent applied to lead zinc ore separation is able to raise the concentrate grade and recovery of lead, decrease the loss of lead in lead concentrate, and raise the comprehensive utilization rate of a lead zinc ore resource; the collecting agent is applicable to flotation of lead-zinc sulfide ores, including lean ores and refractory ores.
Owner:NORTHWEST RES INST OF MINING & METALLURGY INST
Beneficiation method for copper-lead sulphide ore
ActiveCN108405189APromote separationImprove recovery rate and gradeFlotationCitrate sodiumCalcium hypochlorite
The invention discloses a beneficiation method for copper-lead sulphide ore, and belongs to the technical field of beneficiation. The method comprises raw ore grinding, copper-lead mixing flotation and copper-lead separation. Copper-lead mixing flotation comprises primary copper-lead roughing, tertiary copper-lead fine selecting and secondary copper-lead scavenging. Copper-lead separation comprises primary copper roughing, tertiary copper fine selecting and secondary copper scavenging. Lime, calcium hypochlorite, zinc sulfate, sodium sulfite, sodium sulphide, dimethyl dicarbonate, sodium pyrophosphate, sodium citrate, ethionine ester, ethyl thio carbamate, sodium n-butylxanthate, aniline aerofloat, diphenyl amino phosphorodithioic acid and sodium carbonate are added in the copper-lead roughing and copper-lead scavenging processes. Lime, water glass, sodium phosphate starch, carboxymethyl starch, phthalic acid, thiosalicylic acid, ethionine ester and sodium ethylxanthate are added in the copper roughing and copper scavenging processes. The beneficiation method solves the problem that in the process of beneficiation of the copper-lead sulphide ore through a traditional flotation method, the copper and lead recycling rate is low.
Owner:广西华洋矿源材料有限公司
Multi-purpose life-saving bin
InactiveCN102556355AEasy to wearLower body temperatureBody suitsNon-canopied parachutesHuman bodyAutomatic control
The invention relates to a multi-purpose life-saving bin which comprises heat-preserving waterproof elastic sealed one-piece clothes with floating and buffering functions. The one-piece clothes comprise a safety helmet, a coat, a cape and a pair of trousers; the totally-sealed cover type safety helmet comprises a foldable buffering airbag, an intelligent automatic control system and a high-pressure air inflating bottle; the one-piece clothes is made of elastic polymer waterproof cloth which is tailored and sewn according to the shape of the human body and wrapped by a modular foam block in the shape of the human body; the buffering airbag is made by tailing and sewing non-elastic polymer flame-retardant cloth; after the buffering airbag is sealed and inflated with air, the outer side of the buffering airbag is in the shape of a cylinder, and the inner upper side of the buffering airbag is convex, thus the buffering airbag is in the shape of the human body; the inner wall and the outer wall of the inner upper side of the buffering airbag are connected by a high-strength non-elastic cloth strip; the periphery of the upper part of the buffering airbag is provided with circle-shaped parachutes; the upper part of the buffering airbag is provided with a circle of impacting pressure-relief valves, wherein the openings of the impacting pressure-relief valves face to the ringlike parachutes; a foldable square convex arc-shaped puncture-preventing high-strength ultrathin steel plate is fixed outside the bottom of buffering airbag; and four multi-vale carbon-dioxide high-pressure air cylinders are fixed at the periphery of the inner side of the bottom of the buffering airbag.
Owner:叶秋诗
Linear low-density polyethylene/carbon nanotube open-cell foam material and method for preparing same
The invention relates to a linear low-density polyethylene / carbon nanotube open-cell foam material and a method for preparing the same. The invention belongs to the field of high-molecular materials and in particular relates to the field of linear low-density polyethylene foam open-cell materials. The purpose of the invention is to overcome the defect of the prior art and thus provides a linear low-density polyethylene open-cell foam material which is low in cost, simple in operation, is even in foam cells, has a porosity above 50 percent and has an average aperture of 0.1 to 50mu m, and a method for preparing the same.
Owner:NINGBO UNIV
Beneficiation method for improving comprehensive recovery indexes of complex low-grade molybdenum polymetallic ores
ActiveCN110548592AImprove qualityExcellent comprehensive recovery indexFlotationWet separationChalcopyriteLower grade
The invention discloses a beneficiation method for improving comprehensive recovery indexes of complex low-grade molybdenum polymetallic ores, and particularly relates to comprehensive recovery of valuable elements such as molybdenum, copper and sulfur in low-grade molybdenum ores. According to the method, the effective flotation separation of molybdenite, chalcopyrite and pyrite can be realized,and the comprehensive recovery indexes of the low-grade molybdenum ores are improved. The method comprises the following steps of primary ore grinding, molybdenum (molybdenite) flotation, secondary ore grinding (rough molybdenum copper concentrate regrinding), copper (chalcopyrite) flotation, and sulfur (pyrite) flotation. The method is stable and effective in reagent regime and beneficiation process flow and high in adaptability. By using the beneficiation method, high-quality molybdenite, chalcopyrite and pyrite are obtained from the complex, difficult-to-select and low-grade molybdenum polymetallic ore with associated copper / sulfur, and the comprehensive recovery indexes of sulfide minerals are excellent. The adopted reagent is non-toxic and harmless, has little influence on the environment, and is an excellent beneficiation method.
Owner:INST OF MULTIPURPOSE UTILIZATION OF MINERAL RESOURCES CHINESE ACAD OF GEOLOGICAL SCI
Collecting agent for increasing beneficiation indicator of associated gold and silver
The invention provides a collecting agent for increasing the beneficiation indicator of associated gold and silver. The collecting agent consists of 15-20 parts by weight of alkyl propiontrile xanthate ester, 25-35 parts of dianilinodithiophosphoric acid, 30-45 parts of 25# dithiophosphate and 5-15 parts of dithiophosphate acid. The collecting agent has collecting and foaming properties and is high in selectivity and collecting capability, effective enrichment of nonferrous metal associated gold and silver can be realized in the pH value of 7-10, and the beneficiation recovery rate of the nonferrous metal associated gold and silver can be increased by 2-5 percent; meanwhile, the collecting agent has a better floatation effect on carrier minerals of the associated gold and silver, and is an efficient collecting agent with a wider application range for increasing the nonferrous metal associated gold and silver.
Owner:NORTHWEST RES INST OF MINING & METALLURGY INST
Copper sulfide ore collector
The invention provides a copper sulfide ore collector. The collector is prepared from alkyl xanthogen propionitrile ester, black powder, diphenylethylphenol polyoxyethylene ether, oleic acid polyoxyethylene ester, triethylene tetramine, salicylic acid and an activator. The collector has the characteristics of double attributes of collection and bubbling, high selectivity, strong collection capacity, stable floatation foam, high mineral floating speed and capability of effectively improving the concentrate grade and the recovery rate, and is a very ideal selective collector for copper-nickel ore.
Owner:TONGLING XINTENG MINING TECH
Marine organism catching device
The invention discloses a marine organism capture device, which comprises a central axis column, an upper support ring and a lower support ring, the upper support ring and the lower support ring are welded and connected to the central axis column, and the upper support ring is located on the central axis column The upper section of the outer ring, the lower support ring is located at the bottom of the central axis column, the top of the upper support ring is equipped with an inflatable bag, and a catching net made of wire rope is arranged between the upper support ring and the lower support ring , the catching net body is provided with several catching openings, and two anti-collision barriers are provided between the upper supporting ring and the lower supporting ring. The invention utilizes the principle of air flotation to elevate the main body of the capture device, saving manpower and mechanical energy consumption. The trapping device is equipped with three sets of lamp beads with different color sources, which can turn on the LED lamp beads of a specific color source to catch specific fish schools, which is more targeted , high capture efficiency, using two methods of light source trapping and sonar trapping, with wider transmission range and lower cost.
Owner:威海红印食品有限公司
Emergency suspension device for seabed sonar robot
ActiveCN113525641AEasy to move up slowlyAvoid damage etc.Underwater vesselsUnderwater equipmentClassical mechanicsElectric machinery
The invention relates to the technical field of underwater robots, in particular to an emergency suspension device. An emergency suspension device for a seabed sonar robot comprises a connecting base, a slow lifting mechanism and a quick lifting mechanism, whereinthe top of the connecting base is provided with a supporting cylinder, a connecting ring and a top cover, a corrugated pipe is connected between the connecting ring and the top cover, and an air bag sleeve is arranged between the connecting ring and the top cover; the slow lifting mechanism comprises a first self-locking motor and a mounting seat, and a first lead screw is connected with a threaded cylinder at the center of the mounting seat; and the quick lifting mechanism comprises a second self-locking motor and a second lead screw, and the second lead screw is connected with the threaded cylinder at the top of the supporting cylinder. The lead screw is arranged between the top cover and the connecting ring for transmission, the corrugated pipe between the top cover and the connecting ring can be freely adjusted according to needs to form the size, and the robot can slowly move upwards conveniently; besides, a gas generator is arranged in the high-pressure area, an electromagnetic valve is arranged on the partition plate, the expansion degree of the air bag sleeve can be freely adjusted according to needs, and therefore the floating speed of the robot is controlled.
Owner:HARBIN ENG UNIV
A kind of beneficiation method of copper-lead-zinc polymetallic ore
The invention discloses a beneficiation method for cu-pb-zn polymetallic ores, and belongs to the technical field of non-ferrous metal beneficiation. According to the technical scheme, the characteristic of complex cu-pb-zn-sulfur polymetallic ores with embedded fine-grained carbon level is utilized, a technological process of carbon-removing, cu-pb partial bulk flotation, cu-pb separation and zn-and-sulfur choosing in tailings is adopted, a concentration and fine grinding mode is adopted to achieve deep reagent removal, the influence of slurry on flotation is effectively eliminated, efficient collectors A8 and depressors T721 for cu-pb separation are used in the cu-pb partial bulk flotation process, separation and recovery of copper, lead, zinc and sulfur are effectively achieved, and concentrate mixing is obviously lowered.
Owner:NORTHWEST RES INST OF MINING & METALLURGY INST
A kind of beneficiation method of molybdenum-containing low-grade mixed copper ore
ActiveCN105435953BImprove the quality of selectionIncrease ion concentrationFlotationWet separationMineral SourcesLower grade
Owner:NORTHWEST RES INST OF MINING & METALLURGY INST
Stainless steel full-automatic air flotation machine
PendingCN109399751AAvoid cloggingFloat fastFatty/oily/floating substances removal devicesLiquid separationSludgeEngineering
The invention relates to the technical field of air flotation machines, and discloses a stainless steel full-automatic air flotation machine which comprises a shell, wherein a partition plate and a baffle plate are welded on the top wall and the bottom wall of the inner cavity of the shell, a fixing plate is fixedly connected with the front surface of the partition plate, the interior of the fixing plate is in threaded connection with a fixing screw, the interior of the fixing plate is movably connected with a control valve, and the front surface of the partition plate is welded with a positioning plate and a fixing seat. According to the stainless steel full-automatic air flotation machine, the gas generated by the gas dissolving tank is discharged from the air outlet after passing through the air outlet pipe and the air inlet pipe and is injected into the sewage in the shell, rendering the substances in the sewage to float on the water surface, the motor is started to drive the movable plate to rotate, the plucking piece on the movable plate is used for stirring the sewage and removing the floating objects on the water surface, the sensor can be used for detecting the sewage, theair flotation machine features large treatment capacity, high efficiency and small land occupation, and eliminates the sludge expansion, quickens the floatation of the substances in the sewage, and improves the working efficiency.
Owner:广东时代环保科技有限公司
Deep sea autonomous environment monitoring platform with autonomous movement and multi-station fixed-point monitoring
PendingCN114839693AReduce weightReduce participationWithdrawing sample devicesOpen water surveyHydraulic cylinderTransceiver
The invention provides a deep sea autonomous environment monitoring platform with autonomous movement and multi-station fixed-point monitoring, and relates to the field of deep sea environment monitoring. The autonomous moving and multi-station fixed-point monitoring deep sea autonomous environment monitoring platform comprises a diving shell, the diving shell is provided with a sonar detection device, an environment monitoring device, a water control device and six driving mechanisms, and the interior of the diving shell is fixedly connected with two isolation plates. The autonomous moving and multi-station fixed-point monitoring deep-sea autonomous environment monitoring platform ensures that the deep-sea autonomous environment monitoring platform consisting of the diving shell, the environment monitoring equipment, the signal transceiver, the water control equipment, the sonar detection equipment, the sampling pipe, the driving mechanism, the electric push rod, the rotating motor, the hydraulic cylinder and the like can quickly monitor the marine environment; the current situation that a monitoring platform can only be driven by using a marine scientific research ship is improved, the participation degree of workers is reduced, errors possibly caused by manual control are reduced, and the marine environment monitoring efficiency is guaranteed.
Owner:THE FIRST INST OF OCEANOGRAPHY SOA
Copper-nickel sulphide ore catching agent
The invention relates to a copper-nickel sulphide ore catching agent, namely a J622 catching agent. The copper-nickel sulphide ore catching agent is prepared by the following raw materials in parts by weight: 30-60 parts of alkyl xanthate propionitrile ester, 10-30 parts of oil No.2, 10-20 parts of black catching agent No.25, 5-15 parts of amino propionitrile, and 5-15 parts of black catching agent acid. The raw materials are mixed fully and stirred uniformly to prepare the copper-nickel sulphide ore catching agent. The copper-nickel sulphide ore catching agent has catching and foaming doubleattributes, and is good in selectivity, high in catching capability and ore flotation speed, and stable in flotation foam, so that the grade and the recovery rate of the concentrate can be effectively improved; and therefore, the copper-nickel sulphide ore catching agent is a very ideal selective catching agent for copper-nickel ores.
Owner:NORTHWEST RES INST OF MINING & METALLURGY INST
Tofacitinib gastric retention floating sustained release tablet and preparation method thereof
PendingCN114652695AFloat fastImprove bioavailabilityOrganic active ingredientsInorganic non-active ingredientsTofacitinibProlonged-release tablet
The invention relates to the technical field of medicines, in particular to a tofacitinib gastric retention floating type sustained release tablet and a preparation method thereof. The tofacitinib gastric retention floating type sustained release preparation provided by the invention takes carbomer as gel and is matched with proper expanding agent, floating agent, controlled release material and other auxiliary materials. All the components are properly selected and reasonably matched, so that the prepared controlled release tablet can quickly float in a stomach environment, the effective components are released and absorbed in a relatively low-pH environment, and the bioavailability is improved. Experiments show that the preparation rapidly floats after being put into a dissolution cup and continuously floats in a dissolution medium for at least 10 hours. In a medium with the pH value of 6.8, the medicine is stably and completely released within 10 hours; in simulated gastric juice, the release rate of the medicine in 6h is greater than 85%.
Owner:HYBIO PHARMA
Linear low-density polyethylene/carbon nanotube open-cell foam material and preparation method thereof
The invention relates to a linear low-density polyethylene / carbon nanotube open-cell foam material and a method for preparing the same. The invention belongs to the field of high-molecular materials and in particular relates to the field of linear low-density polyethylene foam open-cell materials. The purpose of the invention is to overcome the defect of the prior art and thus provides a linear low-density polyethylene open-cell foam material which is low in cost, simple in operation, is even in foam cells, has a porosity above 50 percent and has an average aperture of 0.1 to 50mu m, and a method for preparing the same.
Owner:NINGBO UNIV
A kind of collector foaming agent for copper sulfide nickel ore dressing and preparation method thereof
ActiveCN113522532BReasonable ratioThe synthesis process is simpleFlotationAcrylonitrileNickel sulfide
Owner:NORTHWEST RES INST OF MINING & METALLURGY INST
A kind of selection method of copper-lead sulfide ore
The invention discloses a beneficiation method for copper-lead sulphide ore, and belongs to the technical field of beneficiation. The method comprises raw ore grinding, copper-lead mixing flotation and copper-lead separation. Copper-lead mixing flotation comprises primary copper-lead roughing, tertiary copper-lead fine selecting and secondary copper-lead scavenging. Copper-lead separation comprises primary copper roughing, tertiary copper fine selecting and secondary copper scavenging. Lime, calcium hypochlorite, zinc sulfate, sodium sulfite, sodium sulphide, dimethyl dicarbonate, sodium pyrophosphate, sodium citrate, ethionine ester, ethyl thio carbamate, sodium n-butylxanthate, aniline aerofloat, diphenyl amino phosphorodithioic acid and sodium carbonate are added in the copper-lead roughing and copper-lead scavenging processes. Lime, water glass, sodium phosphate starch, carboxymethyl starch, phthalic acid, thiosalicylic acid, ethionine ester and sodium ethylxanthate are added in the copper roughing and copper scavenging processes. The beneficiation method solves the problem that in the process of beneficiation of the copper-lead sulphide ore through a traditional flotation method, the copper and lead recycling rate is low.
Owner:广西华洋矿源材料有限公司
Intelligent drainage type cleaning pool
InactiveCN111685347ADischarge in timeImprove cleaning efficiencyFood treatmentEnvironmental engineeringMechanical engineering
The invention discloses an intelligent drainage type cleaning pool. The intelligent drainage type cleaning pool comprises a frame body, wherein a cleaning pool body is arranged in the frame body; a plurality of spray heads are arranged above the cleaning pool body; a plurality of cleaning brushes are arranged in the cleaning pool body; a space for removing peach hair is formed between every two adjacent cleaning brushes, and the cleaning brushes are further connected with a driving device used for driving the cleaning brushes to shake; a turbidity sensor is arranged on the side wall of the upper portion of the cleaning pool body; an upper water outlet and an upper water inlet are further formed in the upper portion of the cleaning pool body, and are provided with a first one-way valve anda second one-way valve respectively; the turbidity sensor is connected with a controller, and the controller controls opening and closing of the first one-way valve and the second one-way valve; a water pipe is connected between the upper water outlet and the upper water inlet; and a purifying device is arranged in the water pipe. The design of the shaking type cleaning brushes is adopted, so thatthe cleaning brushes continuously shake back and forth in the direction perpendicular to the cleaning brushes, and peach hair on the surface of each peach is removed.
Owner:张太光
A kind of net-attached system and method for picking seedlings of laver shell spores
ActiveCN108142274BRealize intensive seedling harvesting at seaIncrease the attachment rateCultivating equipmentsSeaweed cultivationSporelingEnvironmental engineering
The invention provides a porphyra conchospore seeding collection and net-attachment system and a seeding collection method thereof. The porphyra conchospore seeding collection and net-attachment system comprises a collection device, the collection device comprises a collection ship and an automatic conveying device, the collection ship is provided with at least one collection barrel and a cabin, the collection barrels are installed in the cabin, and shells are placed in the collection barrels; the automatic conveying device is communicated with the collection barrels and the outside, the automatic conveying device comprises a water inlet pump and a water outlet pump, the water inlet pump conveys sea water to the collection barrels to stimulate shell conchospores disperse, and the water outlet pump discharges water of the conchospores in the collection barrels to a net curtain. Therefore, porphyra haitanensis all-floating culture and offshore intensive seeding collection are achieved through an automatic seeding collection and net-attachment technology, and technical support is provided for popularization of a novel ecological and efficient porphyra haitanensis culture mode.
Owner:NINGBO TAIKONGHONG AQUACULTURE
Floating device for wave energy harvesting
The invention creatively discloses a floatation device for wave energy collection. The device is provided with a plurality of hard cylindrical connection units, and a collection unit is arranged between the adjacent hard cylindrical connection units; a liquid inlet and outlet main pipeline communicated with an outer water tank is arranged in the hard cylindrical connection units, and the collection unit is provided with a hose outer shell I, a hose outer shell II and a hard round floating cylinder arranged between the hose outer shell I and the hose outer shell II; a reinforcing sleeve is arranged in the hard round floating cylinder, and a plurality of piston cylinder units are arranged on the outer wall of the reinforcing sleeve in the circumferential direction of the reinforcing sleeve; liquid inlets in the piston cylinder units are connected with a converging device I through branch pipelines, and liquid outlets in the piston cylinder units are connected with a converging device II through branch pipelines; and the converging device I and the converging device II are connected with the main pipeline through the branch pipelines. The floatation device has the beneficial effects of being high in wave energy collection efficiency, low in cost, energy-saving, environment-friendly, flexible in application, convenient to widely popularize and apply and the like.
Owner:盖争
Silicon-barium-strontium-iron alloy deoxidizer
The invention relates to a silicon-barium-strontium-iron alloy deoxidizer. The silicon-barium-strontium-iron alloy deoxidizer comprises the following components in percentage by weight: 23 to 31 percent of silicon, 8 to 14 percent of barium, 11 to 18 percent of strontium and the balance of iron and is characterized by comprising 2 to 9 weight percent of cobalt oxide or titanium oxide, wherein the granularity of a silicon-barium-strontium-iron alloy and the cobalt oxide or the titanium oxide is between molecular level and 100nm. In the deoxidizer provided by the invention, the silicon-barium-strontium-iron alloy is mixed with the cobalt oxide or the titanium oxide, and the mixture is used as a molten steel deoxidizer. Compared with a single alloy deoxidizer, the silicon-barium-strontium-iron alloy deoxidizer has an obvious deoxidizing effect; particularly, an Al2O3 inclusion in a type of steel with low requirements on the content of aluminum and sulfur can be changed and reduced. The deoxidizer can make all alloy elements exert a coordinating function in the deoxidizing process, so that the inclusion can be formed quickly and float on the surface of molten metal; and the deoxidizer has extremely ideal effects of deoxidization, desulfurization and dephosphorization.
Owner:大连核心铸造技术工程研究所
Porphyra conchospore seeding collection and net-attachment system and seeding collection method thereof
ActiveCN108142274ARealize intensive seedling harvesting at seaIncrease the attachment rateCultivating equipmentsSeaweed cultivationPorphyraEngineering
The invention provides a porphyra conchospore seeding collection and net-attachment system and a seeding collection method thereof. The porphyra conchospore seeding collection and net-attachment system comprises a collection device, the collection device comprises a collection ship and an automatic conveying device, the collection ship is provided with at least one collection barrel and a cabin, the collection barrels are installed in the cabin, and shells are placed in the collection barrels; the automatic conveying device is communicated with the collection barrels and the outside, the automatic conveying device comprises a water inlet pump and a water outlet pump, the water inlet pump conveys sea water to the collection barrels to stimulate shell conchospores disperse, and the water outlet pump discharges water of the conchospores in the collection barrels to a net curtain. Therefore, porphyra haitanensis all-floating culture and offshore intensive seeding collection are achieved through an automatic seeding collection and net-attachment technology, and technical support is provided for popularization of a novel ecological and efficient porphyra haitanensis culture mode.
Owner:NINGBO TAIKONGHONG AQUACULTURE
Collecting agent for refractory gold ores
Owner:NORTHWEST RES INST OF MINING & METALLURGY INST
An emergency suspension device for a submarine sonar robot
ActiveCN113525641BEasy to move up slowlyAvoid damage etc.Underwater vesselsUnderwater equipmentSonarSolenoid valve
Owner:HARBIN ENG UNIV
A kind of selection method of lead-zinc sulfide ore
Owner:广西华洋矿源材料有限公司
A new energy vehicle battery recycling method
ActiveCN112403580BHighly corrosiveEasy to collectMagnetic separationGrain treatmentsElectrical batteryAutomotive battery
Owner:广东和誉智能科技有限公司
Multi-purpose life-saving bin
InactiveCN102556355BEasy to wearLower body temperatureBody suitsNon-canopied parachutesHuman bodyAutomatic control
The invention relates to a multi-purpose life-saving bin which comprises heat-preserving waterproof elastic sealed one-piece clothes with floating and buffering functions. The one-piece clothes comprise a safety helmet, a coat, a cape and a pair of trousers; the totally-sealed cover type safety helmet comprises a foldable buffering airbag, an intelligent automatic control system and a high-pressure air inflating bottle; the one-piece clothes is made of elastic polymer waterproof cloth which is tailored and sewn according to the shape of the human body and wrapped by a modular foam block in the shape of the human body; the buffering airbag is made by tailing and sewing non-elastic polymer flame-retardant cloth; after the buffering airbag is sealed and inflated with air, the outer side of the buffering airbag is in the shape of a cylinder, and the inner upper side of the buffering airbag is convex, thus the buffering airbag is in the shape of the human body; the inner wall and the outer wall of the inner upper side of the buffering airbag are connected by a high-strength non-elastic cloth strip; the periphery of the upper part of the buffering airbag is provided with circle-shaped parachutes; the upper part of the buffering airbag is provided with a circle of impacting pressure-relief valves, wherein the openings of the impacting pressure-relief valves face to the ringlike parachutes; a foldable square convex arc-shaped puncture-preventing high-strength ultrathin steel plate is fixed outside the bottom of buffering airbag; and four multi-vale carbon-dioxide high-pressure air cylinders are fixed at the periphery of the inner side of the bottom of the buffering airbag.
Owner:叶秋诗
A heat treatment deformation control method for an aluminum alloy hemispherical shell of an ellipsoidal surface storage tank
ActiveCN107513677BPrevent floatingFloat fastFurnace typesHeat treatment process controlAlloyQuenching
The invention relates to a heat treatment deformation control method for a large-diameter and large-modulus elliptical molded surface container semispherical shell and belongs to the technical field of container manufacturing. By means of the heat treatment deformation method, due to the fact that an integrated quenching and aging heat treatment tool is designed, the elliptical molded surface container semispherical shell and the heat treatment tool can be tightly matched, the quenching transfer time is shortened, the phenomenon that the top of the shell collapses and pits happen in the circumferential direction of the shell during quenching is avoided, quenching and time aging deformation is reduced, and therefore the heat treatment performance of the elliptical molded surface container semispherical shell can be ensured; and meanwhile, the subsequent machining precision of the shell is also ensured. In addition, a UCON water solution with the concentration ranging from 6% to 10% is adopted in the method to serve as a quenching medium, dynamic flowing of the water solution is maintained, the cooling speed and uniformity of the shell are ensured, meanwhile, quenching deformation is also controlled, and therefore the product precision is ensured.
Owner:AEROSPACE RES INST OF MATERIAL & PROCESSING TECH +1
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