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35results about How to "No cumulative effect" patented technology
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Plant growth lamp of high-efficiency high-power LED light source
InactiveCN101387379ASolution to short lifeReduce power consumptionLighting heating/cooling arrangementsWith built-in powerAdhesivePlant growth
The invention provides a plant growth light with a high-efficiency high-power LED as a light source, which comprises a support, a constant-current power source, a control circuit and an LED light source. The LED light source adopts 1 to 10 red light LED light-emitting diodes and blue light LED light-emitting diodes of between 1 and 5 watts and is formed by packaging of red and blue single chips or composite chips, the LED light source is adhered on an aluminum-based printed circuit board through a high thermally conductive adhesive, the center of the LED light source is provided with a light-emitting lens, the aluminum-based printed circuit board is fixedly connected with a flat panel radiator, and two sides of the flat panel radiator have high-efficiency reflecting shades. The plant growth light has low power consumption, long service life of the light source, higher light efficiency and good application prospect, and is capable of effectively controlling illumination required by the plant growth and controlling optical wavelength, duty ratio and frequency quantitively.
Owner:JIANGSU HANDSON INTELLIGENT TECH CO LTD
Digital clock duty ratio calibrating circuit
InactiveCN101478300AQuick buildNo cumulative effectContinuous to patterned pulse manipulationDigital signal processingCommunications system
The invention relates to a digital clock dutyfactor calibration circuit, which is mainly used for calculating the dutyfactor of a system clock in a high-speed data communication system and a DSP system (such as a high-speed data storage device, a pipelining processor, etc.). In the circuit, an input terminal of an input buffer (10) is connected with an original input clock signal (CKI) to be calculated; the output terminal signal of the input buffer (10) that is an input clock signal after being buffered (CKB), the output terminal signal of a half cycle delay line HCDL (20) that is a half cycle delay clock signal (CKD) and the output terminal signal of a matching delay-line (30) that is a matching delay clock signal (CKM) are respectively connected with a reset input terminal R and a set input terminal S of an RS trigger (40); the signal at an output terminal Q of the RS trigger (40) is a calibration clock signal (CKO) with dutyfactor of 50 percent after being calculated; and the input buffer (10) plays the role of ensuring the fan-out ability of the clock signal on a subsequent circuit.
Owner:SOUTHEAST UNIV
Method for utilizing sulfur-containing refining waste residue for refining slag
InactiveCN101717843AGive full play to the maximum utility valueImprove cleanlinessProcess efficiency improvementCalcium/strontium/barium oxides/hydroxidesCalcium hydroxideSlag
The invention relates to a method for recycling sulfur-containing refining waste residue generated in the process of liquid steel refining for refining slag, which is characterized by taking cooling pulverization pretreatment fine powders, roasting the sieving fine powders in the weak oxidizing atmosphere that an oxygen partial pressure is between 0.08 and 0.15atm at a temperature of more than or equal to 1100 DEG C to convert a harmful component CaS to an effective component CaO so as to remove sulfur impurities, and decomposing calcium hydroxide. In the method, the recycling of the sulfur-containing refining waste residue is directly used for reusing the refining slag with high utilization value, and the maximum utility value of the abandoned sulfur-containing refining slag is fully exerted. Compared with the conventional technology application, the invention can increase the value added for each ton of the abandoned sulfur-containing refining slag by more than 800 RMB. Moreover, the sulfur in the sulfur-containing refining waste residue is removed by a simple oxidizing and roasting process to guarantee the cleanliness of the recyling product, the liquid steel resulfurization can not be caused in the recycling process of carrying out the liquid steel desulfuration, the cumulative effect of the sulfur can not be generated in the metallurgy process, and a novel way of recycling the sulfur-containing refining slag is developed.
Owner:NORTHEASTERN UNIV +1
Deep treatment reuse method for cellulose ethanol production wastewater
ActiveCN103102034ANo cumulative effectEmission reductionMultistage water/sewage treatmentCelluloseWater saving
The present invention relates to a deep treatment reuse method for cellulose ethanol production wastewater. The method mainly comprises three systems, wherein a pretreatment system adopts processes such as neutralization precipitation, gas dissolution gas flotation and cooling, a biological treatment system adopts a two stage anaerobic biological treatment and aerobic SBR, a deep treatment adopts a combination process, the combination process comprises electrolytic catalysis oxidation, a membrane bioreactor treatment, an ultrafiltration-reverse osmosis treatment and the like, and the effluent treated by the processes is completely adopted as water for cellulose ethanol production to be recycled so as to achieve purposes of water saving and emission reducing of cellulose ethanol production.
Owner:CHINA PETROLEUM & CHEM CORP +1
Power chip type LED light source for LCD backlight module
InactiveCN101520569AUnique packagingImprove cooling effectPoint-like light sourceElectric circuit arrangementsLiquid-crystal displayElectrical connection
The invention provides a power chip type LED light source for an LCD backlight module, which is formed by a plurality of grid-shaped semiconductors, and at least two LED semiconductors are arranged in each grid. The LED light source comprises a printed circuit board (PCB), an LED chip arranged at the upper side of the PCB and a light-emitting lens arranged at the light-emitting surface of the LED chip; a radiator is arranged under the PCB, PCB leads are distributed around the radiator, and the radiator is assembled with electrical connection structure and a corresponding control circuit; and the radiator and the PCB are fixed into a whole by a mechanical fastening part and the same extended light source. The power chip type LED light source has stable and shockproof structure, good color rendition and heat dissipation effect, no incomplete shadow, electricity conservation and long service life, and can remarkably improve the color expressive force of liquid crystal display.
Owner:NANJING HANDSON SCI & TECH CORP
Duty ratio calibration circuit of precharge logical digital clock
InactiveCN101834587AQuick buildBuild stabilityContinuous to patterned pulse manipulationDigital clockTime delays
The invention discloses a duty ratio calibration circuit of a precharge logical digital clock, which comprises an input buffer stage BUF, a cycle delay line HCDL, a matching delay line MDL, a RS trigger and a power control module PM. The duty ratio calibration circuit of the invention has the advantages of rapid establishment (1.5 clock cycles), relative stability and no accumulative effect of duty ratio calibration errors. Compared with some duty ratio calibration circuits based on digital detection and adjustment mode, differential precharge logic is adopted in the invention to construct a basic delay unit, so that the calibration circuit of the invention has smaller delay time, thereby obviously improving the upper limit of the working frequency of the circuit and the calibration accuracy. In the invention, the RS trigger with a novel structure is used for realizing more accurate matching of time delay of paths from a setting end to an output end and from a resetting end to the output end and keeping consistent characteristics under the condition of each technological angle.
Owner:SOUTHEAST UNIV
Alternating or random copolymer containing polyquaternium lateral group and preparation method thereof
ActiveCN102153690APreparedImprove moisturizing functionCosmetic preparationsHair cosmeticsAlkyl transferFiltration
The invention relates to an alternating or random copolymer containing a polyquaternium lateral group as well as a preparation method and an application method thereof. The preparation method comprises the following steps of: (1) generating an alternating or random copolymer containing a carboxylic acid anhydride group by copolymerization reaction of alpha-olefin and unsaturated diacid anhydride;(2) performing imidization reaction or esterification reaction on the obtained copolymer and organic tertiary amine containing a primary amine group or hydroxy to obtain a derivation containing a tertiary amine group; and (3) performing quaternization reaction on the polymer containing the tertiary amine group and an alkylation reagent to obtain the alternating or random copolymer containing the polyquaternium lateral group. The alternating or random copolymer containing the polyquaternium lateral group is a water-soluble polymer, has a good conditioning function on hair and skin, particularly endows the hair with good flexibility and conditioning property, is easily rinsed and is not accumulated; and the polymer can be used as a conditioning agent and a softening agent and can also be used as a retention and filtration aid and a reinforcing agent in the field of papermaking.
Owner:GUANGZHOU TINCI MATERIALS TECH
Environment-friendly nano antifouling algicide and preparation method thereof
InactiveCN106797955AReduce manufacturing costLow toxicityBiocideDead animal preservationWater basedWater source
The embodiment of the invention discloses an environment-friendly nano antifouling algicide and a preparation method thereof. The environment-friendly nano antifouling algicide is prepared from the following raw materials by mass percent: 5 to 10 percent of water-based nano silver dispersoid size, 10 to 20 percent of 4,5-dichloro-N-octyl-4-isothiazoline-3-one, 5 to 10 percent of 2-octyl-4-isothiazoline-3-one, 5 to 10 percent of benzimidazole, 3 to 5 percent of emulsifier, 5 to 8 percent of antifreeze, 1 to 3 percent of penetrant, 1 to 3 percent of amine neutralizer, 1 to 3 percent of thickener, 5 to 10 percent of solubilizing stabilizer, 5 to 10 percent of synergist, 5 to 8 percent of ethanol and 20 to 30 percent of deionized water. The environment-friendly nano antifouling algicide and the preparation method thereof disclosed by the invention have the characteristics of low manufacturing cost, low toxicity, safety for water source and environment, and are of great significance for saving energy, protecting the environment and creating a harmonious relationship between human and nature.
Owner:上海鹏图抗菌新材料有限公司
Novel long-acting broad-spectrum bacteriostatic and antibacterial multifunctional water-based architectural coating and preparation method thereof
InactiveCN111286273AA large amountImprove independent antibacterial and antibacterialAntifouling/underwater paintsNatural resin coatingsMicroorganismMildew
The invention discloses a novel long-acting broad-spectrum bacteriostatic and antibacterial multifunctional water-based building coating and a preparation method thereof. The coating is prepared by compounding the following raw materials: water-based emulsion, pigment filler, a water-based functional aid, a water-based nano-composite bacteriostatic and antibacterial agent, deionized water and thelike. The coating is environment-friendly, does not generate drug resistance, does not have in-vivo accumulation, forms effective protection after coating the surface of a base material, and is long-acting, broad-spectrum and durable in bactriostasis and antibacterial effect while being strong in decoration. According to the invention, nano metal ions with stable functional ions are further introduced, and the water-based nano composite bacteriostatic and antibacterial agent is prepared by grafting and nano composite technologies, so that the defects of high toxicity, low activity, poor application performance in different environments and the like of the traditional bacteriostatic and antibacterial material product are overcome. The product provided by the invention can form an automaticadjustment bacteriostatic and antibacterial base system in a severe environment, inhibits mutual aggregation and derivation of microorganisms and bacteria in a long-acting and broad-spectrum manner, and is a long-acting and ecological bacteriostatic, antibacterial and mildew-proof material.
Owner:石家庄市油漆厂
Waterborne wood enamel seal primer and preparation method thereof
InactiveCN107502109ANo cumulative effectHigh solidityFireproof paintsAntifouling/underwater paintsEmulsionUltraviolet absorption
The embodiment of the invention discloses a waterborne wood enamel seal primer and a preparation method thereof. The waterborne wood enamel seal primer is prepared from the following components in percentage by mass: 30 to 50 percent of waterborne nanometer enamel seal emulsion, 5 to 8 percent of waterborne nanometer flame-retardant dispersion slurry, 0.5 to 1 percent of waterborne nanometer silver dispersion slurry, 10 to 20 percent of waterborne polyurethane emulsion, 1 to 3 percent of a waterborne wetting dispersant, 5 to 10 percent of a lead-free filler, 1 to 3 percent of a penetrant, 0.5 to 1 percent of a solubilizing stabilizer, 0.3 to 0.5 percent of an ultraviolet absorption stabilizer, 0.2 to 0.5 percent of a mildew preventive, 0.5 to 2 percent of an anti-fouling agent, 1 to 3 percent of an amine neutralizer, 2 to 5 percent of an antifreezing agent, 0.5 to 2.5 percent of a coalescing agent and 10 to 25 percent of deionized water. The waterborne wood enamel seal primer has excellent properties such as water resistance, early compression resistance, reinforcement expansion resistance and sanding property; the burning of wood products can be effectively prevented and reduced; and the waterborne wood enamel seal primer has active mildew-resisting and antibacterial properties.
Owner:珠海市盟友化工有限公司
Method for preparing seed crystal by utilizing phosphoric acid and producing superfine aluminum hydroxide
ActiveCN106745126AUniform particle sizeImprove distributionAlkali-metal aluminates/aluminium-oxide/aluminium-hydroxide preparationGranularityPhosphoric acid
Owner:SHANDONG LUBEI ENTERPRISE GROUP +1
Environment-friendly fluorine-contained water-based defoaming wetting agent and preparation method thereof
The invention relates to an environment-friendly fluorine-contained water-based defoaming wetting agent and a preparation method thereof. The environment-friendly fluorine-contained water-based defoaming wetting agent is prepared from the following raw materials by mass percent: 10%-20% of natural fatty alcohol, 10%-20% of higher fatty alcohol, 1%-2% of an emulgator I, 2%-5% of an emulgator II, 1%-3% of a fluorine monomer, 2%-5% of siloxane, 5%-10% of silicon dioxide, 1%-2% of an antifreezing agent and 45%-60% of deionized water. The environment-friendly fluorine-contained water-based defoaming wetting agent is capable of, through rigorous raw material selection, and cooperating with an optimized synthetic mode, introducing a perfluor group to change a polymer structure, greatly improvinguniversality, weather resistance, pollution tolerance, high anti-corrosion and self-cleaning property of a product, and extensive in application prospect. The provided fluorine-contained water-based defoaming wetting agent is polymerized and prepared by the non-toxic harmless raw materials, and the product is green and environmentally friendly, and does not contain volatile matters, such as formaldehyde and a VOC, harmful to the environment.
Owner:安徽广成新材料科技有限公司
Aqueous environmentally-friendly nano-copolymer multifunctional defoamer and preparation method thereof
ActiveCN110327665AImprove performanceGood shear stabilityFoam dispersion/preventionHazardous substanceWater source
The embodiment of the invention provides an aqueous environmentally-friendly nano-copolymer multifunctional defoamer and a preparation method thereof. The raw materials of the defoamer comprise, by mass, 20-26% of a natural vegetable fatty alcohol, 10-15% of a higher fatty alcohol, 5-10% of an amide, 5-8% of a nano-hydrophobic agent, 0.5-1% of a fluorine monomer, 3-6% of a silane, 2-5% of an initiator, 1-2% of an active polymerization agent, 0.5-1% of a catalyst, 1-2% of a thickener, 1-2% of an antifreeze agent and 30-45% of deionized water. The defoamer provided by the embodiment of the invention is prepared by raw material selection and a copolymerization synthesis mode, a nano-material group is introduced to change the polymer structure, and harmful substances such as a conventional emulsifier, formaldehyde and silicone oil are not used, so the versatility, the weather resistance, the stain resistance, the high corrosion resistance and the auto-cleaning property are improved. The product can be decomposed by hydrolysis, photodegradation and biodegradation without causing cumulative effects, so the product is very safe to water sources and the environment.
Owner:安徽广成新材料科技有限公司
Ammonia-free preservative for natural fresh latex
The invention relates to the technical field of natural rubber primary processing, and in particular relates to an ammonia-free preservative for natural fresh latex. An oxidation-type bactericide is selected from a large amount of solid, water-soluble, non-volatile and broad-spectrum bactericides aiming at pollution problems of ammonia and ammonia composite preservatives, and the oxidation-type bactericide is compounded with an alkaline stabilizer to be used as a preservation system of the natural latex. The novel preservation system provided by the invention has the characteristics of a goodpreservation effect, low costs, no ammonia, no volatilization, no irritation, easy solubility in water and convenient use, and can preserve the natural latex for a plurality of days, and the preparedraw rubber has excellent properties, especially has significantly-improved aging resistance; and in addition, the preservative can also be applied to early-stage preservation in the ammonia-free concentrated latex preparation process, and the overall costs are lower than those of a currently-used ammonia and TT / ZnO systems.
Owner:RUBBER RES INST CHINESE ACADEMY OF TROPICAL AGRI SCI
High-efficiency low-toxicity low-residue cucumber root knot nematode disease prevention and treatment agent
InactiveCN113973855AHelps control root-knot nematode diseaseConducive to the prevention and treatment of nematode diseasePlant growth regulatorsBiocideBiotechnologyAbamectin
The invention discloses a high-efficiency low-toxicity low-residue cucumber root knot nematode disease prevention and treatment agent, and relates to the technical field of cucumber planting, and used raw materials comprise fluopyram, abamectin, beauveria bassiana, streptomyces microflavus, phosphate solubilizing bacteria, potassium solubilizing bacteria, a marigold extract, a maidenhair extract, an asparagus extract and a macleaya cordata extract. The cucumber root knot nematode disease prevention and treatment agent is beneficial to prevention and treatment of cucumber root knot nematode disease, has little damage to beneficial insects, can provide comprehensive and lasting protection for new leaves, stems, tubers and young fruits of cucumbers, provides reliable guarantee for cucumber disease prevention, has the capabilities of converting nitrogen, phosphorus and potassium in soil and improving soil fertility, reduces the use amount of chemical fertilizers, stimulates cell division, promotes rooting, germination and maturation of cucumber crops, increases the yield of cucumbers, remarkably improves the quality of cucumbers, is low in toxicity and residue, is safe to crops and environment, and has a wide development prospect.
Owner:济宁市农业科学研究院
A kind of method that uses phosphoric acid to make crystal seed to produce superfine aluminum hydroxide
ActiveCN106745126BUniform particle sizeImprove distributionAlkali-metal aluminates/aluminium-oxide/aluminium-hydroxide preparationGranularityPhosphoric acid
The invention discloses a method for preparing a seed crystal by utilizing phosphoric acid and producing superfine aluminum hydroxide. A semi-product, namely aluminum hydroxide, in a Bayer-process aluminum oxide process is used as a raw material to carry out alkali digestion; the seed crystal is prepared by utilizing the phosphoric acid, and a superfine aluminum hydroxide flame retardant product is produced. According to the method disclosed by the invention, the granularity of the product is uniform, the product is not agglomerated and a dispersant is not needed.
Owner:SHANDONG LUBEI ENTERPRISE GROUP +1
Dynamic unbalanced force adjustment system and geotechnical centrifuge
PendingCN111686948AIncrease the amount of fluidReduce fluid volumeCentrifugesControl cellCommunicating vessels
The invention relates to the technical field of centrifuge balancing, and specifically discloses a dynamic unbalanced force adjustment system and a geotechnical centrifuge. The dynamic unbalanced force adjustment system comprises a first pressure vessel, a second pressure vessel, shells and a control unit, the first pressure vessel and the second pressure vessel are separately placed on two sidesof a rotating axis of a rotating device, the first pressure vessel and the second pressure vessel have the same structure, pistons which separate inner cavities of the shells to form gas cavities andliquid cavities are arranged in the shell, and the liquid cavity of the first pressure vessel communicates with the liquid cavity of the second pressure vessel through a communicating device pipeline;and the output end of the control unit communicates with the gas cavities of the first pressure vessel and the second pressure vessel. The dynamic unbalanced force adjustment system has the advantages that the total amount of liquid remains constant, and the gas pressure and gas volume in the pressure vessels on two sides can be supplied and exhausted at the right time according to the demand, sothat the reciprocating trimming process has no cumulative effect and can realize reciprocating continuous reversibility adjusting.
Owner:GENERAL ENG RES INST CHINA ACAD OF ENG PHYSICS
Waterborne intumescent flame-retardant coating and preparation method thereof
InactiveCN109082182ANo cumulative effectGuaranteed scratch resistanceFireproof paintsAnti-corrosive paintsAnti freezingFoaming agent
The invention provides waterborne intumescent flame-retardant coating. The waterborne intumescent flame-retardant coating comprises, by weight percentage, 20-30% of waterborne flame-retardant emulsion, 5-10% of waterborne composite nano flame-retardant dispersion slurry, 20-30% of acid source, 1-3% of carbon source agent, 8-15% of waterborne flame-retardant foaming agent, 0.5-1% of toughening agent, 5-10% of lead-free filler, 1-3% of waterborne wetting dispersing agent, 0.2-1% of penetrating agent, 0.5-1% of solubilizing stabilizer, 0.5-2% of anti-fouling agent, 0.5-2% of amine neutralizer, 0.5-2% of anti-freezing agent, 0.5-2% of coalescing agent and 8-15% of deionized water. The waterborne intumescent flame-retardant coating has the advantages that the complementary advantages of the materials are utilized sufficiently, and flame-retardant ultimate strength of base materials such as steel structures and decoration materials after the base materials such as the building steel structures are coated with the coating.
Owner:石家庄市油漆厂
High voltage battery pack output short circuit protection circuit
ActiveCN103199505BSafety offReduce shockEmergency protective arrangements for automatic disconnectionEnergy impactEngineering
The invention relates to an output short-circuit protection circuit for a high tension battery. The output short-circuit protection circuit structurally comprises a detection control circuit, a switch circuit, a choke circuit, a load capacity match circuit and a switch buffer circuit. According to the output short-circuit protection circuit, the voltage of the load capacity match circuit or the choke circuit is detected by the detection control circuit, after the output short circuit is confirmed, the switch circuit is controlled to be switched off rapidly; after the switch buffer circuit is arranged, the switch circuit realizes the zero-voltage switching on and off, so that the energy impact and the voltage impact to the switch circuit can be reduced; and therefore, the switch circuit can be safely switched on and off. The short-circuit current is limited by the choke circuit, so that the energy impact to the battery and the switch circuit can be reduced. After the short-circuit fault is eliminated, the switch is controlled to be switched on by detecting the voltage condition of the detection control circuit, so that the battery can be reset to normally supply power.
Owner:石家庄迅能电子科技有限公司
A kind of natural fresh latex ammonia-free preservative
ActiveCN109988257BEffective preservationConducive to preservationEnvironmental engineeringWater soluble
Owner:RUBBER RES INST CHINESE ACADEMY OF TROPICAL AGRI SCI
Plant growth lamp of high-efficiency high-power LED light source
InactiveCN101387379BSolution to short lifeReduce power consumptionLighting heating/cooling arrangementsWith built-in powerAdhesivePlant growth
The invention provides a plant growth light with a high-efficiency high-power LED as a light source, which comprises a support, a constant-current power source, a control circuit and an LED light source. The LED light source adopts 1 to 10 red light LED light-emitting diodes and blue light LED light-emitting diodes of between 1 and 5 watts and is formed by packaging of red and blue single chips or composite chips, the LED light source is adhered on an aluminum-based printed circuit board through a high thermally conductive adhesive, the center of the LED light source is provided with a light-emitting lens, the aluminum-based printed circuit board is fixedly connected with a flat panel radiator, and two sides of the flat panel radiator have high-efficiency reflecting shades. The plant growth light has low power consumption, long service life of the light source, higher light efficiency and good application prospect, and is capable of effectively controlling illumination required by theplant growth and controlling optical wavelength, duty ratio and frequency quantitively.
Owner:JIANGSU HANDSON INTELLIGENT TECH CO LTD
Preparation process of gel composition with sweating function
PendingCN114288238AEasy to combineNo side effectsOrganic active ingredientsAerosol deliveryHuman bodySide effect
The invention discloses a preparation process of a gel combination with a sweating function, and relates to the technical field of gels, the technical scheme is as follows: the preparation process comprises preparation of sweating active gel and preparation of conductive solids, and the preparation of the sweating active gel comprises the following specific steps: S1, preparing the conductive solids; the preparation method comprises the following steps: dissolving pilocarpine or nitrate or choline receptor stimulant or organic matter and agar in deionized water according to a certain proportion, heating, stirring to fully dissolve the components after heating, pouring into a gel grinding tool after dissolving, standing, and cooling and solidifying; the preparation process of the gel combination with the sweating function has the beneficial effects that active substances can be excited in a current path to enter a body so as to achieve the sweating function, the gel combination is convenient, can be randomly adjusted, has no side effect on a human body and can be used for a long time, a product can be quickly metabolized by acetylcholine enzyme in the body, and the sweating function is realized. And the method is safe and effective.
Owner:南京子麒舜生物科技有限公司
Cylinder removal and split combination type overvoltage protector
InactiveCN102280235BLower the altitudeNo cumulative effectOvervoltage protection resistorsOvervoltageHigh energy
Owner:HEFEI NANNAN POWER EQUIP CO LTD
Deep treatment reuse method for cellulose ethanol production wastewater
ActiveCN103102034BNo cumulative effectEmission reductionMultistage water/sewage treatmentCelluloseWater saving
Owner:CHINA PETROLEUM & CHEM CORP +1
A flexible display batch bending test device and test method thereof
ActiveCN105547857BMeet the needs of bending testingNo cumulative effectMaterial strength using steady bending forcesEngineeringTest fixture
Owner:KUNSHAN NEW FLAT PANEL DISPLAY TECH CENT
Split column, split combined overvoltage protector
InactiveCN102280235ALower the altitudeNo cumulative effectOvervoltage protection resistorsOvervoltageHigh energy
The invention discloses a cylinder removal and split combination type overvoltage protector. The original combined type overvoltage protector is innovated structurally to be evolved into a novel product, namely the cylinder removal and split combination type overvoltage protector. In the cylinder removal and split combination type overvoltage protector, by a certain structural design, the height of cylinders of the overvoltage protector is reduced by a cylinder segmenting method to ensure the height of the installation space of the ordinary overvoltage protector, and a high-energy overvoltageprotector also can be loaded in the installation space. Simultaneously, due to the adoption of an A, B, C and D phase split production mode, the overvoltage protector can be lightly produced and transported, is not required to be integrally discarded if local problems are discovered during production and operation, and is more economic and environment-friendly due to split replacement, and the service life of the overvoltage protector is prolonged correspondingly.
Owner:HEFEI NANNAN POWER EQUIP CO LTD
Coking crude ammonia water purification method
ActiveCN113750622AEliminate disadvantagesNo cumulative effectFiltration separationPurification methodsFiltration
The invention discloses a coking crude ammonia water purification method. The method comprises the following steps: purifying crude ammonia water by using a coking crude ammonia water purification device; the coking crude ammonia water purification device comprises a crude ammonia water tank which is provided with a product crude ammonia water outlet connected with the front end of the Fossam method production device, the crude ammonia water tank is connected with a filter through an ammonia water conveying pump, a purified ammonia water outlet pipe of the filter is connected with a purified ammonia water tank, and the purified ammonia water tank is connected with a user interface through a purified ammonia water pump; and the purification method comprises the following steps: continuously conveying crude ammonia water produced by a phosam process to the crude ammonia water tank by residual pressure of a production system, continuously conveying the crude ammonia water to pass through the filter by the crude ammonia water conveying pump, feeding purified ammonia water subjected to filtration and purification into the purified ammonia water tank, and finally continuously conveying the purified ammonia water to a user by the purified ammonia water pump. According to the method, the quality of the crude ammonia water produced by the rectification-free Frixamer process can be effectively improved, and secondary pollution is avoided.
Owner:LIUZHOU IRON & STEEL
Method for utilizing sulfur-containing refining waste residue for refining slag
InactiveCN101717843BGive full play to the maximum utility valueImprove cleanlinessProcess efficiency improvementCalcium/strontium/barium oxides/hydroxidesCalcium hydroxideSlag
Owner:NORTHEASTERN UNIV LIAONING +1
Environment-friendly residue-free composite bacterial depressant and preparation method thereof
InactiveCN106577691AReduce manufacturing costLow toxicityBiocideDead animal preservationFoaming agentAnti freezing
Embodiments of the invention disclose an environment-friendly residue-free composite bacterial depressant and a preparation method thereof. The environment-friendly residue-free composite bacterial depressant comprises the following raw materials by mass: 5 to 15% of n-butyl-1,2-isothiazolin-3-one, 5 to 8% of 4,5-dichloro-N-octyl-4-isothiazolin-3-one, 10 to 20% of 2-methyl-4-isothiazolin-3-one, 5 to 10% of benzimidazole, 3 to 5% of an emulsifying agent, 5 to 8% of an anti-freezing agent, 1 to 3% of a penetrating agent, 1 to 3% of an amine neutralizing agent, 1 to 3% of a thickening agent, 1 to 3% of an anti-foaming agent and 35 to 45% of deionized water. The environment-friendly residue-free composite bacterial depressant and the preparation method are low in cost; and the prepared bacterial depressant has the characteristics of low toxicity, environment friendliness, no residues, safety to water sources and environment and the like and is of critical significance to energy conservation, environmental protection and creation of a harmonious relationship between human beings and nature.
Owner:上海鹏图抗菌新材料有限公司
Method for preparing high-phosphorus pig iron by using dephosphorized converter slag
InactiveCN101880755BNo secondary pollutionNo cumulative effectProcess efficiency improvementReaction temperatureLower grade
The invention relates to a method for preparing high-phosphorus pig iron by using dephosphorized converter slag, which belongs to the technical field of metallurgy. The method comprises the following steps of: pouring the dephosphorized converter slag into melted pig iron which is used as a raw material; then adding coke powder and quartz sand into the melted pig iron; blowing oxygen to increase the temperature of the prepared materials; at the same time, introducing argon into the bottom, wherein the reaction temperature is between 1,530 and 1,550 DEG C and the reaction time is 20 to 30 minutes; removing the obtained slag to obtain intermediate melted pig iron; and adding the materials again according to the steps 1 and 2 and reducing for 1 to 2 times by using the intermediate melted pigiron as a raw material. The method has the advantages that: the maximum utility value of the dephosphorized converter slag can be fully exerted; a low-grade phosphorous-ferro product is obtained; theslag can be recycled; the dephosphorized slag is premelted at a high temperature, so the ferric oxide content is very low and the slagging speed is high during cyclic utilization; and the applicationrange is wide.
Owner:NORTHEASTERN UNIV LIAONING +1
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