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Method for preparing 6-gingerol and 8-gingerol from ginger
InactiveCN101085727AEasy to operateInstrument and equipment requirements are lowCarbonyl compound separation/purificationSolventChemistry
The invention relates to a method for preparing 6- gingerol and 8- gingerol with fresh ginger. It is characterized in that it compries following steps: cutting fresh ginger into sheets, drying at low temperature, disintegrating, sifting with screen of 100 order, heating and refluxing and extracting with acetic ester or acetone, or extracting through immersion, extracting for three times, combining extract liquid, decompressing and recovering solvent, getting extract concretem dissloving it with acetic ester, treating it with chromatographic silica gel and washing it with benzinum purificatum acetic ester with gradient solvent, checking washing process by using TLC, decompressing to recover solvent and getting coarse 6- gingerol and 8- gingerol; washing coarse product with chloroform- carbinol solvent in Sephadex LH20 gel column, checking washing process with TLC, and getting washung liquid containing 6- gingerol and 8- gingerol with higher purity, decompressing to recover solvent and getting pure 6- gingerol and 8- gingerol, checking content with HPLC. The invention is characterized by simple operation, high productivity and production of two kinds of product at the same time.
Owner:NO 411 HOSPITAL OF PLA
Method for separating and preparation of Gelsemium elegans alkaloid monomer by high speed counter current chromatography
ActiveCN101323618ASimple and fast operationShort separation cycleOrganic chemistrySolid sorbent liquid separationGelsemium elegansGelsemium
The invention discloses a method for separating and preparing a gelsemium alkaloid monomer from gelsemium by adopting high-speed counter current chromatography, which pertains to the separation method of medicinal plant monomers. The invention takes total alkaloids of gelsemium as a raw material and a high-speed counter current chromatograph as a separating device and the method comprises that a solvent system which is composed of stationary phase and mobile phase is prepared; the high-speed counter current chromatograph is filled with the stationary phase and then the mobile phase is pumped in and balanced; and then sampling is conducted by a sample valve; target components are collected according to the map of a detector or in combination of the detection methods of high efficiency liquid chromatography and thin layer chromatography, and distilled under reduced pressure and then recrystallized to obtain the gelsemium alkaloid monomer with high purity. By adjusting the specific proportional parameters of the solvent system, single or multiple target gelsemium alkaloid monomers can be separated by one step or step by step. The method is convenient and efficient, large in preparation amount, less in sample loss, good in separation effect and high in controllability and applicable to automatic production and the obtained gelsemium alkaloid monomer from separation has diverse pharmacological activities and application prospect to be prepared into medicines.
Owner:FUJIAN MEDICAL UNIV
Nanometer selenium-germanium negative ion far infrared anti-ultraviolet mosquito-resistant water-repellent magnetic therapy travel mattress tent
InactiveCN102926012AIncrease the maximumImprove adsorption capacityTents/canopiesArtificial filaments from viscoseFiberMagnetite Nanoparticles
The invention relates to a nanometer selenium-germanium negative ion far infrared anti-ultraviolet mosquito-resistant water-repellent magnetic therapy travel mattress tent, and belongs to the technical field of multifunction health fabric mattress tent production weaving. The technical scheme is that: traditional Chinese medicine elements, nanometer selenium-germanium, maifanite, tourmaline, bee series products, far infrared ferrite magnetic nanoparticles, anti-ultraviolet mosquito-resistant products, water-repellent antifouling mite-resistant anti-bacterial products and trace elements in chitosan mixing nanometer powder are subjected to a special modern high-tech process treatment, such that every trace element has a central effect of positive charges; and the effect is refined into fiber preparation of the tent, such that travelling people can fully enjoy trace elements and negative ions released by the tent during rest and sleep in the tent having effects of mosquito resistance, mite resistance, water repellence, electromagnetic wave resistance, ultraviolet resistance and magnetic therapy when the people are tired, have pains on limbs, muscles and joints, and take a rest so as to provide effects of tire disappearing, physical rehabilitation, full energy and full vigor.
Owner:成钢
Low-conductivity nanofluid and preparation method thereof
The invention relates to a low-conductivity nanofluid and a preparation method thereof, belonging to the field of electrical and electronic equipment cooling. The conductivity of the nanofluid is less than 1 microsecond / cm; and the nanofluid comprises the following components in mass percentage: 40.0-99.0% of ultrapure water, 0.0-60.0% of dihydric alcohol, 0.1-10.0% of nanopowder and 0.01-3.0% of dispersing agent. The preparation method comprises the following steps of: dispersing the calcined nanopowder into ultrapure water, removing charged foreign ions, coating the dispersing agent on the surfaces of nanoparticles, and removing foreign ions again to obtain the low-conductivity nanofluid. Compared with the conventional cooling liquid, the nanofluid is high in heat exchanging capability and significant in technical advantages.
Owner:QINGDAO UNIV OF SCI & TECH
Method for separating and preparation of Gelsemium elegans alkaloid monomer by high speed counter current chromatography
ActiveCN101323618BSimple and fast operationShort separation cycleOrganic chemistrySolid sorbent liquid separationGelsemium elegansGelsemium
Owner:FUJIAN MEDICAL UNIV
High temperature seepage test device and method
InactiveCN102435539AImprove the lack of small sizeEasy to getPermeability/surface area analysisEngineeringRock sample
The invention discloses a high temperature seepage test device and method. The device is mainly composed of a nitrogen gas bottle, a pressure chamber, a pressure chamber cover plate, upper and lower gas guide pressing heads, a main engine shaft pressing head, a collecting bottle and a gas flow meter. The method comprises the following steps of: filling nitrogen gas to a coal rock sample in the pressure chamber, enabling the nitrogen gas to flow out by a flow guide channel after permeating through the coal rock sample under a certain pressure and temperature, making the nitrogen gas pass through a gas outlet of the main engine shaft and enter in the collecting bottle by a communicating pipe, discharging the nitrogen gas in the collecting bottle by a gas discharging pipe on a top cover of the collecting bottle, and recording flow quantity of the discharged gas at this time by the gas flow meter; closing a pressure control valve by regularly increasing the pressure of the nitrogen gas for multiple times until the pressure of the filled nitrogen gas is increased to 4MPa, meanwhile, stopping work by regularly rising the temperature of the coal rock sample for multiple times until the temperature is rose to 600 degrees centigrade; and analyzing the acquired data to finish the overall test. The test device is simple in structure, the test method is simple and convenient and good simulation effect is realized.
Owner:CHINA UNIV OF MINING & TECH
Ultrahigh-elasticity extensible towel and manufacturing method thereof
ActiveCN103015001AEasy to cleanIncrease elasticityCleaning apparatus for vehicle exteriorsWoven fabricsPolyesterEngineering
The invention provides an ultrahigh-elasticity extensible towel and a manufacturing method thereof. The ultrahigh-elasticity extensible towel comprises a ground warp, a ground weft and terry warps, wherein the ground warp is made of a polyester low stretch yarn / ultrahigh-elasticity coarse denier spandex filament wrap yarn to achieve the longitudinal extensible high elasticity of the towel. The polyester low stretch yarn / ultrahigh-elasticity coarse denier spandex filament wrap yarn takes a (140-210)D / (8-12)f ultrahigh-elasticity spandex filament as an inner core; and the polyester low stretch yarn warps the inner core through overfeeding networking. The ground weft is made of a polyester low stretch yarn; and the ground warp and the ground weft are interwoven in a plain weave manner to form a ground stitch. The terry warps are interwoven with the ground weft to form a terry stitch; and the terry stitch forms terry on the outer surface of the ground stitch after the terry stitch is removed from a loom. The terry warps are made of sea island composite superfine polyester yarns. The ultrahigh-elasticity extensible towel provided by the invention has ultrahigh elasticity, can be elastically deformed to different areas to adapt to cleanness and use of different area zones, and is especially suitable for cleaning vehicles.
Owner:ZHEJIANG GRACE
Method for packing separation column and nozzle needle integrated capillary column and manufacturing stopper
InactiveCN101666786AIncrease success rateGood separation reproducibilityComponent separationSlurryNitrogen gas
The invention relates to a method for packing a separation column and a nozzle needle integrated capillary column and manufacturing a stopper, which comprises the following steps: preparing a chromatography packing into a homogenate with a certain concentration; reversely pressing the homogenate into the capillary column to pack by nitrogen under a certain pressure, wherein one end of the capillary column is a tapered taper; sintering the chromatography packing at the mouth of the taper to form the stopper; and during the process of sintering, using a stainless steel tube to control the lengthof the stopper and protect the chromatography packing at the back of the stopper. The method for packing the separation column and the nozzle needle integrated capillary column and manufacturing thestopper is simple and fast to operate without special equipment and high in success ratio. The capillary column packed according to the method has high separation efficiency and good separation reproducibility; and the stopper manufactured according to the invention has small volume, no sample adsorption and no post-column effect. The method for packing the separation column and the nozzle needleintegrated capillary column and manufacturing the stopper has very good application value in the fields of protein sciences, micro environments and biological sample analyses based on capillary liquidchromatography-electrospray ionization mass spectrometry technology.
Owner:INST OF RADIATION MEDICINE ACAD OF MILITARY MEDICAL SCI OF THE PLA
Separation and preparation method of ligustilide
ActiveCN104003963AEasy to operateImprove efficiencyOrganic chemistryAcetic acidCountercurrent chromatography
The invention discloses a separation and preparation method of ligustilide. The method comprises the following steps by the technology of high-speed countercurrent chromatography. The method comprises the following steps: extracting ligusticum wallichii by a solution to obtain a ligusticum wallichii extract; extracting the ligusticum wallichii extract by ethyl acetate to obtain an ethyl acetate part; separating the ethyl acetate parts by high-speed countercurrent chromatography at the same time to obtain a plurality of ligustilide compounds which are respectively senkyunolide N, senkyunolide R, senkyunolide S and senkyunolide I through structural identification, wherein the purity is over 98%. The separation and preparation method of ligustilide disclosed by the invention has the advantages of simplicity in operation, few use level of solvent, no sample adsorption, loss and pollution, high efficiency and the like.
Owner:CHANGSHA BROAD OCEAN BIO SCI & TECHN CO LTD
Low-temperature storage liquid for cells, sodium alginate gel, cell gel, preparation method, use method and application thereof
PendingCN109221088AKeep aliveFor subsequent applicationCell dissociation methodsDead animal preservationWound dressingAdenosine
The invention belongs to the technical field of storage, regeneration and repair of cells and discloses low-temperature storage liquid for cells. The low-temperature storage liquid is mainly preparedfrom the following components in percent by mass: 0.8%-1.5% of mannitol, 2%-3% of human serum albumin, 3%-7% of low-molecular dextran, 0.1-0.3% of glutathione, 0.5%-2% of epigallocatechin gallate, 3%-5% of adenosine, 0.5%-1% of glucose, 0.8% of NaCl, 0.2% of KCl, 0.1% of CaCl2 and the balance of water. The invention also provides sodium alginate gel, which contains sodium alginate, calcium chloride, hyaluronic acid and the low-temperature storage liquid for the cells and the like, and also provides cell gel and a preparation method thereof as well as application of the low-temperature storageliquid for the cells, the sodium alginate gel and the cell gel. The invention has the advantages that the low-temperature storage liquid for the cells can maintain cell activity for longer time at temperature of 2-8 DEG C, the sodium alginate gel can be used as temporary short-term storage materials of cells from various sources and brackets of cell tissue engineering, and the cell gel can be usedas a medical wet wound dressing and can be used for repairing soft tissues, refractory-healing wound skins and mucosal wound injuries.
Owner:CHENGDU YUANSHAN BIOTECH CO LTD
Method for preparing 6-gingerol and 8-gingerol from ginger
InactiveCN100595183CAvoid the extraction processHigh purityCarbonyl compound separation/purificationSilica gelEthyl acetate
Owner:NO 411 HOSPITAL OF PLA
Residual sample gas cleaning device of electrochemical gas sensor and gas detecting device using same
InactiveCN101661014AImprove measurement accuracyExtended service lifeMaterial electrochemical variablesElectrochemical gas sensorProduct gas
The invention provides a residual sample gas cleaning device of an electrochemical gas sensor, which comprises a filter, a mini-pump, a buffering air chamber and an electromagnetic valve, wherein after being filtered by the filter, the air is pumped into the buffering air chamber by the mini-pump and then enters a sample gas circuit a detecting device of the electrochemical gas sensor through theelectromagnetic valve. As the normally closed electromagnetic valve is arranged inside the sample gas circuit of the electrochemical gas sensor to control the conductive residual sample gas cleaning device, the clean air is pumped into the sample gas circuit by the mini-pump after the measurement at every time, the sample gas in the gas circuit and the air chamber can be successfully discharged after the measurement, no absorbed gas is not available in the gas circuit, no residual sample gas is not available in the air chamber, the measuring accuracy of the electrochemical gas sensor can be improved to the utmost extent, and the service life thereof is comparatively prolonged. The invention also provides an electrochemical gas sensor gas detecting device of the residual sample gas cleaningdevice.
Owner:丁五行
Desulfurization wastewater dechlorination treatment method and desulfurization wastewater treatment equipment
PendingCN110894113ASimple processFirmly connectedWater treatment parameter controlSpecific water treatment objectivesWater useProcess engineering
The invention discloses a desulfurization wastewater dechlorination treatment method and desulfurization wastewater treatment equipment. The method comprises the following steps: A, firstly, adding anacid into the desulfurization wastewater to adjust the pH value to 0.5-4, and then stirring and mixing with a liquid resin; B, separating an obtained mixture in a separation chamber; C, enabling theseparated liquid resin to enter a liquid resin buffer tank, and enabling separated desulfurization wastewater to enter a next-stage reactor for further treatment; and D, repeating the steps A, B and Cin the treatment process, removing the liquid resin dissolved in the water in an air floatation oil removal device, taking the desulfurization wastewater treated through air floatation treatment andpH adjustment as reuse water, and conveying the liquid resin brought out by bubble floatation into the liquid resin buffer tank. The method has the advantages that the equipment investment is small, the operation cost is low, the produced water after chloride ion removal can meet the industrial water recycling requirement, no waste is generated in the treatment process, real-time adsorption and real-time regeneration are achieved in the reaction process, 100% removal of chloride ions can be achieved, the whole process is continuously operated, waiting and time delay are not needed, and the production efficiency is high.
Owner:镇江泽润环境科技有限公司 +1
Remaining needle hose, hose extrusion system and hose extrusion process
PendingCN110315733AAvoid prone to phlebitisAvoid prone to thrombosisInfusion needlesRubber materialControl system
The invention discloses a remaining needle hose, a hose extrusion system and a hose extrusion process. The remaining needle hose is made from TPU material. The hose extrusion system and process are used for producing the remaining needle hose made from the TPU material. The hose extrusion system comprises an extrusion main machine, a melt pump, a machine head mold, a cooling and shaping device, adiameter measuring control system and a traction cutting machine. An extrusion pressure closed-loop automatic feedback control system is arranged between the extrusion main machine and the melt pump,and is used for monitoring the actual extrusion pressure of rubber material extruded by the extrusion main machine so as to adjust the rotating speed of a screw rod of the extrusion main machine; anda traction closed-loop automatic feedback control system is arranged in the diameter measuring control system, and is used for monitoring the actual outer diameter and / or the actual inner diameter ofa pipe body so as to adjust the traction speed of the traction cutting machine. According to the hose extrusion system, the defect of an FEP remaining needle in the prior art can be overcome, and thehose extrusion system has the advantages of being good in tissue compatibility, safe, comfortable, resistant to folding, free of adsorption of medicines and the like in clinical applications.
Owner:HENAN TUOREN MEDICAL DEVICE GRP
Glass substrate full-automatic cutting device and method
PendingCN109608029APrevent static electricitySave the cost of manual handlingGlass severing apparatusCutting glassBiomedical engineering
Provided is a glass substrate full-automatic cutting device. The device comprises a cutting platform, a lifting device, a cutting device and an adsorption transplanting device, and the cutting platform is used for carrying a glass substrate to be cut; the lifting device is used for transporting the glass substrate and capable of being docked with the cutting platform, thereby moving the glass substrate onto the cutting platform and receiving glass by the cutting platform; the cutting device is used for cutting the glass substrate on the cutting platform; the adsorption transplanting device isused for adsorbing the cut glass substrate, and the cut glass substrate is removed from the cutting platform in a predetermined order. A glass substrate full-automatic cutting method is also disclosed, and the method comprises the steps of placing the glass substrate to be cut on the cutting platform by using the lifting device, moving the cutting device along a cutting track to cut the glass substrate according to the cutting track, and using the adsorption transplanting device to adsorb the cut glass substrate which is then removed from the cutting platform in the predetermined order.
Owner:JIANGSU HONGXIN YITAI INTELLIGENT EQUIP CO LTD
Cushion pad for transfer transport of solar cell
InactiveCN102050271AReduce breakage rateEasy accessContainers to prevent mechanical damageDamagable goods packagingBreakage rateVolumetric Mass Density
The invention discloses a cushion pad for the transfer transport of a solar cell. The cushion pad comprises an elastic basal slice and an elastic convex body which is arranged on the surface of the elastic basal slice and contacted with a silicon slice, the thickness of the elastic basal slice is 1.0-5.0 mm, the height of the elastic convex bodies is 0.3-1.5 mm, the diameter of the elastic convex bodies is 0.5-0.8 mm, the distribution density of the elastic convex bodies is 60-150 per square centimeter, and the shape of the elastic basal slice corresponds to the shape of the solar cell. During transfer transportation, the elastic cushion pad is positioned under the tandem of the solar cell, and the elastic convex bodies are arranged on the contact surface of the elastic basal slice and the silicon slice uniformly, so that the impact force borne by the solar cell is decomposed by the elastic convex bodies on the cushion pad even when a transfer transportation vehicle is impacted by certain force, and the breakage rate of the impacted solar cell is greatly reduced.
Owner:EGING PHOTOVOLTAIC TECHNOLOGY CO LTD
Method for preparing high-purity spherical niobium oxide by peroxidizing precipitation
The invention discloses a method for preparing high-purity spherical niobium oxide by peroxidizing precipitation, which comprises the steps of: adding hydrogen peroxide H2O2 and liquid ammonia into a fluooxycolumbic acid solution H2NbOF5 to obtain (NH4)3NbO8 crystals; and roasting the crystals at a controlled temperature to obtain niobium oxide having a corresponding phase state and a granularity of 0.3-1 mum. According to the method disclosed by the invention, ammonium niobate crystals which are obtained from precipitation process are free from package, adsorption, and impurities and filtered easily. Consequently, high product purity is obtained in a case of the same raw materials and technological conditions; the ammonium niobate is then roasted at 150-1300 DEG C to obtain fluorine-free niobium oxide which is obviously spherical, uniform in particle and has the granularity of 0.3-1 mum; and niobium oxide at alpha, beta and gamma phase states can be obtained by controlling the roasting temperature according to application requirements. The method disclosed by the invention leaves out washing, drying as well as grinding and sieving procedures, saves plenty of manpower, material resources and energy sources.
Owner:稀美资源(广东)有限公司
Wood-plastic composite integrated home furnishing plate and manufacturing process thereof
InactiveCN105602269AA wide range of materialsLightweight and high strengthWood working apparatusDomestic articlesFiberCarbon fibers
The invention discloses a wood-plastic composite integrated home furnishing plate. The wood-plastic composite integrated home furnishing plate is manufactured from, by weight, 30-35 parts of wood meal, 15-20 parts of diatom products, 3-7 parts of activated carbon powder, 2-6 parts of glass fibers, 5-8 parts of carbon fibers and 25-30 parts of foamex. A manufacturing process of the wood-plastic composite integrated home furnishing plate comprises the following steps of mixing according to the formula, assistant adding and drying, feeding and extruding, extruding sizing, trimming traction, surface film pasting, fixed length transverse cutting, unloading inspection and finished product warehousing. The steps are simple. The diatom products, activated carbon powder, glass fibers, carbon fibers and other components are added to the raw materials, so that the plate has high strength, high formaldehyde adsorption performance, high temperature resisting performance and the like. The plate is environmentally friendly, the wood powder is wide in material source and replaces logs, the production cost is low, and the plate is economical and environmentally friendly. The plate is high in strength and light, construction efficiency is greatly improved, high practical value is achieved, and meanwhile high safety performance is achieved.
Owner:浙江巨森建材科技有限公司
Active back-blowing cleaning equipment for selective laser melting manufacturing
ActiveCN108115131ARealize multiple useNo adsorptionAdditive manufacturing apparatusIncreasing energy efficiencyTuyereSmoke
The invention discloses active back-blowing cleaning equipment for a selective laser melting manufacturing. The active back-blowing cleaning equipment comprises a cabinet body and a filtrating devicearranged in the cabinet body, wherein the filtrating device is connected between an air intake and an air return port of a forming chamber of a SLM equipment; the filtrating device comprises at leastone filter element; a back-blowing device which is used for blowing air from inside to outside is arranged in the filter element; an air inlet of the back-blowing device communicates with an air tankfor supplying inert gas to the air inlet of the back-blowing device; an air outlet communicates with the outside through a bleeding port arranged on the cabinet body; a valve set for selecting gas toenter the air return port or discharging the gas to air through the bleeding port is arranged between the bleeding port and the air return port; and the back-blowing device can be used for reversely blowing smoke dust particulate matter on the filter element so as to remove the particles blocked on the filter element, and replacement of the filter element during one-time printing process of the SLM equipment is avoided.
Owner:BEIJING E PLUS 3D TECH CO LTD
Preparation method of spherical CSNS-Amine nanostructure CO2 adsorbent
The invention discloses a CO2 solid amine adsorbent and a preparation method thereof. The adsorbent comprises a mesoporous copper silicate nano-microsphere carrier (core-shell microspheres and hollowspheres); 3-aminopropyltriethoxysilane (APTES), N-(beta-aminoethyl)-gama-aminopropyltrimethoxysilane (AEAPS) and diethylenetriamine trimethoxysilane (TA) are bonded to the surfaces of copper silicatenanospheres by a grafting method to obtain the solid amine adsorbent which is applied to CO2 adsorption. The preparation method comprises the following specific steps: (1), synthesizing SiO2 nanospheres (200 nanometers) by an improved Stober method; (2), with the SiO2 microspheres as moulds, synthesizing copper silicate nanospheres by a hydrothermal method, and preparing CuSiO3@SiO2 core-shell nanosphere materials and CuSiO3 hollow nanosphere materials through different hydrothermal reaction times; (3), aminating the surface of copper silicate nanosphere carrier by using the APTES, the AEAPS and the TA. The adsorbent has the significant advantages of good heat stability, relatively low adsorption and desorption temperature, good adsorption and desorption cycle stability, relatively large adsorption capacity and the like, and can capture CO2 relatively efficiently.
Owner:SICHUAN UNIV
Kitchen oil fume purification treatment method and device
InactiveCN108954427ASolve oil fume emission pollutionProtect environmentDomestic stoves or rangesDispersed particle filtrationPollutantElectric field
The invention relates to the technical field of oil fume purification treatment and particularly relates to a kitchen oil fume purification treatment method and device. The treatment method comprises:(a) under the action of an induced draft fan, feeding oil smoke mixed pollutants into a rectifying chamber and separating a part of the oil and water, (b) feeding the flue gas without the oil and water into a UV photolysis device, carrying out photolysis purification and irradiating to crack the pungent flue gas through UV ultraviolet light beams, (c) filtering the flue gas and adsorbing oil fumeparticles through an activated carbon filter plate, (d) feeding the residual flue gas into an electrostatic oil fume purifier, ionizing and decomposing the flue gas under the action of a high-voltageelectric field and collecting and recovering the separated oil-water liquid, and (e) feeding the de-oiled flue gas into an adsorption filter and carrying out purification again, wherein the adsorption filter is prepared from a glass fiber paper and adsorbs residual oil and gas particles of the oil fume. The method and device can completely purify the oil fume in the kitchen and effectively solvethe problem of the oil fume emission pollution.
Owner:昆明金炊旺厨房环保设备安装工程有限公司
Organic-inorganic hybrid dressing for wound repair and preparation method and application thereof
The invention provides an organic-inorganic hybrid dressing for wound repair, particularly chronic wound repair, and a preparation method and application thereof, and more particularly relates to an organic-inorganic hybrid nano dressing prepared by modifying silica with natural sulphate polysaccharide under an action of a silane coupling agent through a sol-gel technology. The preparation methodof the dressing is simple and easy to implement. The prepared biological dressing has good biocompatibility and no cytotoxicity, can adsorb inflammatory factors, promote cell migration and angiogenesis, and promote chronic wound healing. The organic-inorganic hybrid dressing is particularly suitable for treatment and nursing of chronic refractory wounds, especially diabetic ulcers, widely existingin clinical practice.
Owner:INST OF OCEANOLOGY - CHINESE ACAD OF SCI
Method and device for producing water used for medicine preparation by collective film separation and electric deionizing
InactiveCN101100340AMitigate Flux FadeAvoid softeningGeneral water supply conservationWater/sewage treatment by electrochemical methodsWater useFiltration
This invention discloses a method and equipment for producing pure water used in pharmaceutical plant, by using membrane separation and electro-deionization, by using urban running water as raw water. The procedures are: low pressure membrane filtration, absorption by activated-carbon, precision filtration, nanometer filtration and softening and desalination, electro-deionization and deep softening, electro-deionization and deep desalination, functional charged membrane filtration. This invention method can remove, from water, inorganic ions, organic pollutants, bacteria, virus and other microorganisms. Compared with prior art process, this inventive process has advantages of: low cost, high utilization rate of raw water, no need of regeneration process, no consumption of alkali and acid, no environmental pollution, wide available of raw water, high reliability and continuous production of high pureness water.
Owner:天津中领水系统技术有限公司
Environment-air constant flow automatic sampling system and sampling method thereof
PendingCN108333001AReduce usageLow costWithdrawing sample devicesFlow control using electric meansAtmospheric airMonitoring and control
The invention discloses an environment-air constant flow automatic sampling system and a sampling method thereof. The system comprises a vacuum sampling tank, a buffer container and a switch valve, wherein the buffer container is respectively communicated with the vacuum sampling tank and the atmospheric environment through the switch valve; through the switching control of the switch valve, the buffer container is alternately communicated with the atmospheric environment and the vacuum sampling tank to reach the air pressure balance of the sample feeding gas. The invention also discloses a constant current environment air sampling method. The technical monopolization in foreign countries on the high-precision atmosphere constant current sampling device is broken; the atmospheric samplingflow rate control precision is controlled; the inertness of the integral gas flow path is ensured; the flexible flow rate control and regulation mode is realized; the common use industrial volume production devices and materials are used; consumable avoidance and easy maintenance are realized; the economic and efficient fully automatic environment air constant flow automatic sampling system is built; the contribution is made for national atmospheric environment monitoring and control.
Owner:SHANGHAI PENGHUAN MEASUREMENT & CONTROL TECH CO LTD
Material conveying device of glass sorting machine
The invention discloses a material conveying device of a glass sorting machine. The material conveying device comprises a vibration disc assembly, a feeding slide way assembly and a material conveying slide way assembly which are sequentially connected, and a flow guide assembly arranged at the discharging end of the material conveying slide way assembly. The material conveying slide way assembly comprises a plurality of slide ways arranged adjacently, each slide way comprises a supporting plate arranged obliquely, material conveying baffles arranged on the two sides of the supporting plate and a glass sliding plate fixed to the plate face of the supporting plate, and the glass sliding plates are matched with the supporting plates in size. The surface of the glass sliding plate is of a corrugated structure, and a water flow channel is formed between every two adjacent arc-shaped protruding parts. The arc-shaped protruding parts on the surfaces of the glass sliding plates enable the traditional surface contact between the glass and the plate surface to be changed into point contact, so that the adsorption force between the glass and the plate surface is reduced, and the glass can smoothly slide down from the glass slideway; and meanwhile, the plate surface made of the glass material has the characteristics of strong sliding guiding performance, difficulty in abrasion and strong durability.
Owner:ANHUI VISION OPTOELECTRONICS TECH
Preparation technology for sodium chloride injection packaged in plastic bottles
InactiveCN105147603AImprove stabilityReduced Chances of ContaminationPharmaceutical containersPharmaceutical delivery mechanismScrapPolypropylene
The invention discloses a preparation technology for sodium chloride injection packaged in plastic bottles. The preparation technology includes the following measures that external force damage to bottle preforms and the bottles in the production process is reduced, and film scraps and fibers adhering to the insides and the outsides of bottle bodies are reduced; a filtering device is additionally arranged on a drain outlet of a sterilization cabinet, and accumulation of the film scraps in a sterilization pipeline and a heat exchanger is reduced; sterilization cabinet cleaning is enhanced, adhesion of yellowed film scraps after repeated high-temperature and high-heat treatment is reduced, the filtering device on the drain outlet of the sterilization cabinet is washed every day, and the sterilization cabinet is washed circularly with 2% NaOH solution each weak and carries out no-load sterilization once. After the measures are executed, the problem that liquid medicine in bottle bodies of the sodium chloride injection packaged in the polypropylene infusion bottles is turbid is solved, and the ratio of turbid liquid medicine in the bottle bodies is almost zero. By adjusting the formula, a new polypropylene material, a first-level recovered polypropylene granule material and thermoplastic elastomers are evenly mixed by the weight ratio of 1:1:1 and manufactured into hanging rings, the product quality is ensured while production cost is reduced, and the hanging rings will not break off.
Owner:GUANGXI YUYUAN PHARMA
Preparation process of plastic bottled dextrose injection
InactiveCN105193717AImprove stabilityReduced Chances of ContaminationOrganic active ingredientsPharmaceutical containersFiberBiochemical engineering
The invention discloses a preparation process of a plastic bottled dextrose injection. The following measures are taken: external force damage to bottle blanks and bottles in a production process is reduced, and adhesion of membrane scraps and fibers inside and outside the bottle bodies is reduced; (2) a filtering device is arranged on a water outlet of a sterilization cabinet, and the accumulation of the membrane scraps in a sterilization pipeline and a heat exchanger is reduced; (3) cleaning treatment of the sterilization cabinet is enhanced, the adhesion of the membrane scraps yellowed after repeated high-temperature heating is reduced, the filtering device on the water outlet of the sterilization cabinet is cleaned every day, and the sterilization cabinet is circularly cleaned with 2 percent NaOH solution and idle-load sterilization is performed once every week. After execution of the measures, the problem of presence of muddy liquid medicine in a polypropylene transfusion bottled dextrose injection bottle is solved, and the muddying probability of the liquid medicine in the bottle is almost zero. A formula is adjusted, and a novel polypropylene material, recycled first-level polypropylene particles and a thermoplastic elastomer are uniformly mixed according to a weight proportion 1:1:1 to make a hoisting ring, so that the production cost is lowered; meanwhile, the product quality is ensured, and the hoisting ring is prevented from being broken.
Owner:GUANGXI YUYUAN PHARMA
Anti-mycotoxin drug, preparation method thereof and application thereof
InactiveCN107927338AHarm reductionEnhance detoxification functionAnimal feeding stuffAntinoxious agentsMycotoxinMortality rate
The present invention discloses an anti-mycotoxin drug, a preparation method thereof and an application thereof, and belongs to the techncial field of livestock and poultry drugs. The drug is preparedfrom 8-15 parts of cell walls of saccharomyces cerevisiae, 8-16 parts of a plant extract, 6-14 parts of bacillus subtilis and 2-6 parts of an active coenzyme; and the plant extract consists of radixastragali, dandelion, herba leonuri and herba lophatheri at a weight ratio of (4-15):(2-5):(2-6):(1-4). Each component of the drug interacts with each other and commonly reaches effects of removing, relieving and dispelling toxins, and reducing prevalence and mortality of animals, and the anti-mycotoxin drug can also regulate immunity and enhances the toxin relieving functions of liver, has no adsorption effects on nutrient components and is conducive to a balanced nutrition intake of the animals, and enables the animals to grow healthily.
Owner:山东迅达康兽药有限公司
Extraction method of polycyclic aromatic hydrocarbons in ABS, PVC, PP and PS products
ActiveCN108627592AAchieve separationAchieve purificationComponent separationPolycyclic aromatic hydrocarbonWater baths
The invention discloses an extraction method of polycyclic aromatic hydrocarbons in products in ABS, PVC, PP and PS products. The extraction method comprises the following steps of a, crushing the ABS, PVC, PP and PS products to obtain a particle sample; b, weighing a preset amount of the crushed particle sample, putting the crushed particle sample in a headspace sample bottle, adding a cracking agent, and performing ultrasonic treatment under a 55-65 DEG C water bath to form a suspension liquid after covering; and c, after uncovering, weighing a preset amount of the suspension liquid, slowlydropwise adding the suspension liquid in an extraction vessel containing a non-polar purifying agent and filled with a normal phase extraction flocculation and adsorption agent in tube, and performingcentrifugal extraction or negative pressure extraction on a supernate after vortex mixing, wherein the non-polar purifying agent is one or more of n-hexane, methyl alcohol, acetonitrile, petroleum ether, cyclopentane and diethyl ether. The extraction method provided by the invention has the characteristics of rapidness, simpleness, convenience, low cost, less interference, small loss to instrument and the like.
Owner:SHANGHAI ANPEL SCI INSTR
Deodorant for rubbers and plastics
The invention provides a rubber and plastic deodorant, which is composed of the following components by weight percentage: 18-30 parts of zeolite, 5-20 parts of tourmaline, 5-10 parts of diatomite, 10-20 parts of hexacyclite, calcite 3‑8 parts, 3‑8 parts of shell powder, and the balance is medical stone; mixed and stirred according to the proportion, activated at high temperature, and cooled and screened. The beneficial effect of the present invention is that the deodorant made of natural ore as raw material has large adsorption capacity, low cost, long duration of deodorization, strong word purification function, no adsorption saturation phenomenon, and moisture absorption The role of moisture-proof, to avoid the use of chemical reagents to affect people's health, effectively protect the environment.
Owner:天津雅彩科技有限公司
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