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31results about How to "Reduce the amount of pollutants" patented technology
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Wet coke-quenching aerial fog processing method and device based on non-thermal plasma injection
InactiveCN101486017AReduce the amount of pollutantsPrevent diverted emissionsCombination devicesCoke quenchingWater vaporHigh pressure
The invention discloses a method and a device for processing wet quenching coke gas fog on the basis of athermal plasma injection. The method comprises the following steps that: in the ascending process, the hot gas fog generated by wet quenching coke sequentially passes through three processing steps including spray cooling, pre-dedusting on a baffle plate and athermal plasma purification, and is cooled in a spray cooling area; the cooled gas fog enters a pre-dedusting area on the baffle plate where the thicker and bigger water particles and coke powder in the gas fog are separated from the gas fog and impact to the baffle plate under the action of inertia; the remaining gas fog continues to ascend and enter an athermal plasma purification area where organic components, ammonia nitrogen and cyanide in the gas fog are oxidized by the athermal plasma; the water particles and the coke powder are charged and are transferred to a trapping pole plate directionally under the action of a high voltage electric field; and then the gas flow after subjected to the athermal plasma purification area continuous to ascend to the top of a coke quenching tower to be discharged. After the processing steps, the contents of water vapor and the coke powder discharged outside after one ton of coke is produced are controlled to be less than 0.05 ton and 5 grams respectively, and the removal rate of the organic components, the ammonia nitrogen and the cyanide can reach more than 80 percent.
Owner:BEIHANG UNIV
Method for treating acidic waste-water contg. nonferrous metals
InactiveCN1418831AReduce the amount of pollutantsReduce processing loadMultistage water/sewage treatmentPrecipitationNon-ferrous metal
The new process for treating acidic waste water containing non-ferrous metal ions includes two-stage treatment method, one of them adopts lime neutralization treatment step, the lime milk can be added into said acidic waste water to make the pH value of waste water up to 7.5-9, and another method is a ferric polysulfate precipitation treatment step, the ferric polysulfate is added into the supernatant fluid of the waste water, and the pH value of said waste water can be up to 7.5-9.
Owner:株洲冶炼集团有限责任公司
Full-automatic sewage treatment system
InactiveCN107827272ARealize wet and dry separationReduce the amount of pollutantsWater treatment parameter controlWater aerationFlocculationMicrocomputer
The invention discloses a full-automatic sewage treatment system. According to the full-automatic sewage treatment system, a smashing roller and an extruding roller are arranged to smash chunk waste in domestic sewage, a metal screen is arranged in a connection pipe to collect the smashed waste in a concentrated mode, and the plug phenomenon is avoided; furthermore, a primary filter screen and a secondary filter screen are arranged to block small-particle waste mixed in the sewage in a waste partition box, so that dry-wet separation of the sewage is achieved; by means of an aeration machine, pollutants in the sewage can form large suspension solid flocculation, and the flocculation can float on the liquid surface under the floating action of bubble groups to form scum; a third motor is started to drive a sweeping roller to rotate to guide the scum into a sundry cavity, so that the amount of pollutants in the sewage drained out from a water draining opening is remarkably reduced, and convenience is brought to following treatment work; the whole process is automatically controlled by a single chip microcomputer, a timer and a sensor are utilized to finish action of all functional components, manual operation is avoided, an intelligence degree is high, and convenience in use is achieved.
Owner:邱杨舒
Riparian zone sewage reduction method
InactiveCN105668944AIncrease infiltration ratioHelp supplementWater/sewage treatmentMultistage water/sewage treatmentBuffer stripVegetation
The invention discloses a riparian zone sewage reduction method, particularly a riparian zone sewage reduction method by combining a perennial vegetation zone and an infiltration reinforcement zone. The method comprises the following step: arranging an infiltration reinforcement zone and a perennial herb sewage interception buffer zone for the riparian zone, wherein the sewage interception buffer zone is composed of a hygrophytic herb zone, a mesozoic herb zone and a xeromorphic herb zone which are sequentially arranged from the riverbank to the place far away from the riverbank, a reaping mode is adopted to reduce the growth of the annual herbs, and the infiltration reinforcement zone is arranged between the hygrophytic herb zone and the mesozoic herb zone. The method can effectively intercept sewage and increase the infiltration amount of underground water; and the perennial herbs have developed root systems, so the reasonable arrangement of the perennial herbs is beneficial to enhancing the sewage interception capacity and water / soil retention capacity of the riparian zone. By sectionallly planting and arranging the hygrophytic, hygrophytic and xeromorphic perennial herbs, the vegetation can be regulated to enhance the sewage interception capacity of the riparian buffer zone.
Owner:HUAZHONG AGRI UNIV
Double-bed gasification unit and method
PendingCN107083260AImprove gas qualityReduce the amount of pollutantsDirect heating destructive distillationGasification processes detailsTarPollutant
The invention relates to a double-bed gasification device, which includes: a pyrolysis furnace, a gasification furnace and a pyrolysis gas condensation separator, and re-adds the difficult-to-use low-quality tar produced by pyrolysis into the high-temperature gasification furnace to generate synthetic gas Or water gas, and reduce the tar component in the generated synthetic gas or water gas, improve the gas quality, reduce the amount of pollutants in the gas, and reduce the difficulty of subsequent gas treatment. At the same time, after the pyrolysis gas is cooled and liquefied, only the liquefied tar enters the gasifier again for re-gasification, and the pyrolysis coal gas of hydrocarbon-rich substances that cannot be gasified no longer participates in the gasification but directly interacts with the generated The mixed gas and water gas are mixed to form a mixture, thereby reducing the damage to the hydrocarbons in the pyrolysis gas, and these hydrocarbon-rich substances are transferred to the mixed gas, which greatly improves the calorific value and quality of the gas.
Owner:SHENWU TECH GRP CO LTD
Heavy metal and soluble phosphorus contaminated soil remediation agent and treatment process thereof
InactiveCN110947748ASolve pollutionImprove the quality of lifeAgriculture tools and machinesContaminated soil reclamationIron sulfatePhosphate
The invention discloses a heavy metal and soluble phosphorus contaminated soil remediation agent and a treatment process thereof, wherein a mixed agent is formed by using a stabilizer and fixing agentcombination technology, and specifically comprises the following components: potassium dihydrogen phosphate, sodium dihydrogen phosphate, quick lime, potassium chloride, zeolite powder, cement, ferric sulfate, sodium lignin sulfonate and sodium dodecyl benzene sulfonate. According to the invention, heavy metal and soluble phosphorus contaminated soil is treated by adopting a stabilizer and fixingagent combined technology to deeply solidify and stabilize the soluble heavy metals and the soluble phosphorus in the soil, so that the contents of the heavy metals and the phosphorus in the remediated soil water meet the IV-class standard in the Table 1 of Environmental Quality Standards for Surface Water, and the method has the advantages of simple operation, low restoration cost, easily available solidify agent and stabilizing agent and the like, can effectively reduce the amount of heavy metals and phosphorus pollutants in soil, effectively solves the problem of heavy metal and phosphoruspollution in drainage basins and regions, continuously improves the environmental quality of water and soil, greatly improves the water quality, and also guarantees the safety of agricultural products and foods.
Owner:湖南湘牛环保实业有限公司
Centrifugal separation type sewage treatment device
InactiveCN108264167AIncrease dissolved oxygenPromote decompositionWater/sewage treatment by centrifugal separationTreatment involving filtrationSlagDecomposition
The invention discloses a centrifugal separation type sewage treatment device, which comprises a tower body, wherein the side surface of the tower body is sequentially connected with a secondary purification box and a suspension matter removal box through pipelines; the top of the tower body is provided with a plurality of water inlet pipelines; the water inlet pipelines are vertical pipelines; afirst motor is arranged in the center of the top of the tower body; the output end of the first motor extends into the tower body and is provided with a rotating shaft. The centrifugal separation typesewage treatment device has the advantages that a centrifugal barrel is arranged in the tower body; the solid liquid separation is realized; before aeration, the dissolved oxygen content of sewage isgreatly increased; the decomposition of organic pollutants is effectively accelerated; further, the treatment efficiency is improved; the targeted treatment is performed through the secondary purification box; further, the problem of inorganic pollutants is solved; through the arrangement of the suspension matter removal box, residual tiny suspension matters are subjected to slag scraping treatment; the amount of pollutants in the treated sewage is enabled to be below than national emission standards; the treatment efficiency is high; the time is short; the centrifugal separation type sewagetreatment device is suitable for being widely popularized.
Owner:赵锦山 +3
Coating water purification system
InactiveCN102633386AReduce the amount of pollutantsExtended service lifeMultistage water/sewage treatmentActivated carbon filtrationReverse osmosis
The invention relates to a coating production line and particularly relates to a coating water purification system which is realized by the following technical scheme that: the coating water purification system comprises a raw water tank, a raw water pump connected with the raw water tank, a mechanical filter connected with the raw water pump through a pipeline I, an active carbon filter connected with the mechanical filter, a high-pressure pump I connected with the active carbon filter through a pipeline II, and a reverse osmosis set I connected with the high-pressure pump I. Compared with the background technology, the coating water purification system is more energy-saving and environment-friendly and has lower cost.
Owner:ZHEJIANG MINGQUAN INDAL COATING
Pollutant-intercepting gutter inlet
ActiveCN103225343AReduce the amount of pollutantsSafeguard collection and dischargeFatty/oily/floating substances removal devicesPollutantSmall particle
The invention discloses a pollutant-intercepting gutter inlet which comprises a gutter inlet (5) and a rainwater strainer (2) mounted on the gutter inlet (5), and is characterized in that an intercepting weir (3) is arranged on a slope section at the periphery of the gutter inlet (5); and the intercepting weir (3) winds around the periphery of the gutter inlet (5). The pollutant-intercepting gutter inlet has the advantages that the bias of a pollutant-intercepting technology in the gutter inlet is overcome, small particle solid pollutants and large pollutants are intercepted outside the gutter inlet, the quantity of pollutants entering the gutter inlet is reduced, the blockage of an urban rainwater pipe network system is reduced, the pipeline dredge frequency is reduced, and the gutter inlet is conveniently maintained and managed.
Owner:CHONGQING UNIV
Production process of copper coated aluminum-magnesium bimetallic conductor
InactiveCN102324276AImprove conductivityConductivity adjustmentCable/conductor manufactureCopper platingSide reaction
The invention relates to the technical field of metal conductor processing, in particular to a production process of a copper coated aluminum-magnesium bimetallic conductor, solving the technical problems of unreasonable prior art and the like. The production process comprises the following steps of: A, surface preprocessing; B, zinc deposit preprocessing; C, cyanogens-free nickel preplating; D, silicate copper plating; and E, postprocessing. The production process of the copper coated aluminum-magnesium bimetallic conductor has the advantages that: 1, the surface activity of an aluminum-magnesium alloy is better regulated, operation quality in a subsequence electroplating process and stability in a drawing process are ensured; 2, the problem of broken wires of electroplating intermediate products in a subsequent drawing process is solved, yield of final products is increased; and 3, electroplating is carried out by adopting a pulse modulation power supply, a microstructure of electrocrystallization copper is improved, compactness of a copper coating is improved, and hydrogen evolution side reaction is inhibited.
Owner:HANGZHOU ZHENDA HARDWARE MACHINERY
Method for crystallizing amorphous silicon thin films in multi-cycle rapid thermal annealing auxiliary metal induced mode
InactiveCN103489749APromote inductionShorten the annealing timeSemiconductor/solid-state device manufacturingRise rateSolid phases
The invention relates to a method for crystallizing amorphous silicon thin films in a multi-cycle rapid thermal annealing auxiliary metal induced mode, and belongs to the technical field of polycrystalline silicon thin film preparation processes. The amorphous silicon thin films are deposited on a glass slide substrate with a vapour deposition method; nickel chloride is dissolved into mixed solution of ethyl alcohol and toluene, and ethyl cellulose is added in to form a viscid and thick solution; spinning coating is performed on the solution, and then annealing is performed on the solution at 400 DEG C for two hours; then rapid thermal annealing processing is performed, the temperature rising rate is about 150-200 DEG C / s, temperature of thin film samples is raised to about 600 DEG C from the room temperature, the 600 DEG C is kept for 15s, then natural cooling is performed, and next-time rapid thermal annealing processing is performed after the temperature of the thin films is lowered to the room temperature; the amorphous silicon thin films can be crystallized after three times of rapid thermal annealing. Compared with a traditional solid-phase crystallizing method and a conventional metal induced crystallizing method, the method has the advantages that annealing temperature is lowered, residual metal pollutant amount is reduced, the annealing time is shortened, and the method is simple in process and low in cost.
Owner:SHANGHAI UNIV
Copper-clad aluminum-magnesium bimetallic wire production process
InactiveCN102324276BImprove conductivityConductivity adjustmentCable/conductor manufactureCopper platingSide reaction
The invention relates to the technical field of metal conductor processing, in particular to a production process of a copper coated aluminum-magnesium bimetallic conductor, solving the technical problems of unreasonable prior art and the like. The production process comprises the following steps of: A, surface preprocessing; B, zinc deposit preprocessing; C, cyanogens-free nickel preplating; D, silicate copper plating; and E, postprocessing. The production process of the copper coated aluminum-magnesium bimetallic conductor has the advantages that: 1, the surface activity of an aluminum-magnesium alloy is better regulated, operation quality in a subsequence electroplating process and stability in a drawing process are ensured; 2, the problem of broken wires of electroplating intermediate products in a subsequent drawing process is solved, yield of final products is increased; and 3, electroplating is carried out by adopting a pulse modulation power supply, a microstructure of electrocrystallization copper is improved, compactness of a copper coating is improved, and hydrogen evolution side reaction is inhibited.
Owner:HANGZHOU ZHENDA HARDWARE MACHINERY
System for purifying sewage lake through plant activity
PendingCN109368803AReduce the amount of pollutantsRealize simultaneous removalWater contaminantsBiological water/sewage treatmentTotal phosphorusPollutant
The invention discloses a system for purifying a sewage lake through plant activity. The system comprises an emergent aquatic plant area, a submerged plant area, a floating device, a bottom mud treatment device and a purifying layer arranged at the bottom of the lake, wherein the purifying layer comprises a deamination padding layer, an auxiliary dephosphorization padding layer and a denitrification padding layer, the bottom mud treatment device is located under the floating device and connected with the floating device through a stainless rope, and the bottom mud treatment device makes contact with mud at the bottom of the lake; the floating device floats on the water surface, a plurality of through holes are formed in the surface of the floating device, and aquatic plants are planted inthe through holes. According to the system, namely a system for purifying water through plant absorption and microorganism biological film conversion effects, synchronous removal of ammonia nitrogen,total nitrogen and total phosphorus can be achieved, the bottom mud treatment device facilitates clearing of bottom mud and purifying of overlying water, the amount of pollutants released by bottom mud is reduced, and meanwhile, hollow ball filter materials on the upper layer can also remove floating suspended materials generated by bottom mud disturbed by aeration.
Owner:SUZHOU GOLD MANTIS GREEN LANDSCAPE LIMITED
Technology and device of refining brine through organic tubular membrane
InactiveCN109133112ARestore performanceNot easy to accumulateSemi-permeable membranesWater/sewage treatment bu osmosis/dialysisFiltrationSmall footprint
The invention relates to a technology and a device of refining brine through an organic tubular membrane. The technology comprises the steps of crude brine refining reaction and brine filtration, wherein the brine filtration is to filter crude brine after the refining reaction through an organic tubular membrane system to form the refined brine; the organic tubular membrane system comprises at least one organic tubular membrane stack; membrane stack inlets and membrane stack outlets of the organic tubular membrane stacks are connected by circulating pipes and circulating pumps to form a circulating system; and at least two organic tubular membrane components are in series connection to form each entire organic tubular membrane stack. The technology is advanced; a technical process is simple; the refined brine is high in quality; and the organic tubular membrane system is high in integration level, small in floor area and strong in anti-pollution ability.
Owner:安徽星奇达膜科技有限公司
Mist sprayer
InactiveCN105580797AEasy to carryAvoid damageInsect catchers and killersCombustion chamberDetonation
The invention discloses a mist sprayer, comprising a spraying device, and a material box communicated with the spraying device. The inner wall of the material box is detachably connected with a partition which divides the internal of the material box into storage cavities. The storage cavities are internally provided with a liquid medicine box and an oil storage box. The spraying device comprises a reaction chamber, a detonation tube which is sleeved with a radiating cover on the outer wall, an injection pipe, and a nozzle, and the reaction chamber, the detonation tube, injection pipe, and the nozzle are communicated. The detonation tube is communicated with the liquid medicine box. An air inlet passage and a combustion chamber communicated with the air inlet passage are fixedly arranged in the reaction chamber in sequence. The inner wall of the air inlet passage is fixedly provided with an ignition device I. The air inlet passage is communicated with the liquid medicine box and the oil storage box. The internal of the combustion chamber is fixedly provided with a carburetor and an ignition device II. The carburetor is communicated with the oil storage box. The mist sprayer is advantaged in that the mist sprayer can perform two times or more main combustion, to combust gas-oil mixture which is not fully burnt, so as to enhance power to the maximum extent, and the mist sprayer can have detonation effect, and fully scatter, atomize, and jet liquid medicine, and amount of jet pollutants is little, and pollution of environment is effectively reduced.
Owner:齐元刚
Environmentally-friendly acid-etching and descaling conditioning fluid used for bimetal composite wire processing
The invention belongs to the technical field of metal surface treatment, relates to aluminium magnesium alloy material surface treatment, and in particular relates to an environmentally-friendly acid-etching and descaling conditioning fluid used for bimetal composite wire processing. According to the conditioning fluid, the technical problems of unreasonable prior art and the like can be solved. The conditioning fluid comprises the following components: 500-600ml / L of 68% HNO3 solution, 300-350ml / L of H3PO4, 10-15g / L of inorganic ammonium salt, 15-25g / L of organic amido-contained compound, 5-10g / L of surfactant and the balance of water. The conditioning fluid has the advantage of reasonable compatibility, a surface oxidation film on the surface of the aluminium magnesium alloy can be effectively removed in the acid etching and descaling process, and the aluminium magnesium alloy can be protected from excess corrosion. In comparison with the traditional technology, nitric oxide pollutant amount is reduced by above 90%, thereby greatly improving production and operation environment.
Owner:HANGZHOU ZHENDA HARDWARE MACHINERY
Pretreatment method of ramie degumming wastewater and device adopting same
ActiveCN104150646AImprove reliabilityEasy to operate and controlMultistage water/sewage treatmentLiquid wasteFlocculation
The invention relates to the field of treatment of ramie wastewater, in particular to a pretreatment method of ramie degumming wastewater and a device adopting the same. The pretreatment method of the ramie degumming wastewater comprises the following steps: adopting a chemical degumming method to remove an alkali degumming black liquor, alkali washing wastewater and a waste acidic liquor generated from the ramie gum, respectively collecting the liquors, mixing the alkali degumming black liquor with the waste acidic liquor, adjusting the pH value to 2-4, removing flocculates to obtain a clear solution, and mixing the clear solution with the alkali washing wastewater to obtain liquid with the pH value of 6-8. The pretreatment method of the ramie degumming wastewater, provided by the invention, can enable the color of the wastewater to become faint yellow from dark brown black, obviously decreases the chromaticity, reaches the COD (Chemical Oxygen Demand) concentration of the mixed wastewater after pretreatment to be less than 3000 mg / L, is low in cost, simple in control and operation of the pH value, high in reliability, simple and feasible, and can avoid secondary pollution due to a flocculation medicament. The invention further provides a device for the pretreatment method, so as to enable the pretreatment method to be easy to operate, reduce the pollution, and meanwhile save a lot of manpower.
Owner:JIANGXI ENDAMA CENTURY TECH
Self-cleaning sewage treatment device
InactiveCN108455758ARealize solid-liquid separationReduce the amount of pollutantsWater contaminantsTreatment involving filtrationSlagEmission standard
The invention discloses a self-cleaning sewage treatment device. The self-cleaning sewage treatment device comprises a tower. A suspended-solid removing box is connected to the tower through a pipeline. A water inlet is arranged at the top of the tower. A horizontal splitter plate is arranged on the inner upper part of the tower. Two rotating plates with arc-shaped front ends are arranged on the splitter plate, and are rotationally connected with the splitter plate through rotating shafts. The rotating shafts are driven to rotate by a motor. A primary separation net and a secondary separationnet are arranged on the splitter plate. The self-cleaning sewage treatment device has the advantage that the double separation nets are arranged on the inner upper part of the tower, and a cleaner isarranged on each separation net correspondingly, so that solid impurities are cleaned automatically while solid and liquid separation of sewage is realized, and continuous treatment efficiency is improved greatly; through the suspended-solid removing box, residual small suspended solids are subjected to slag scrapping treatment, and accordingly, the amount of pollutants in the treated sewage is much lower than national emission standards; treatment efficiency is high, time is short, and the self-cleaning sewage treatment device is suitable for vigorous popularization.
Owner:赵锦山 +3
Wet coke-quenching aerial fog processing method and device based on non-thermal plasma injection
InactiveCN101486017BReduce the amount of pollutantsPrevent diverted emissionsCombination devicesCoke quenchingAmmoniacal nitrogenCyanide
The invention discloses a method and a device for processing wet quenching coke gas fog on the basis of athermal plasma injection. The method comprises the following steps that: in the ascending process, the hot gas fog generated by wet quenching coke sequentially passes through three processing steps including spray cooling, pre-dedusting on a baffle plate and athermal plasma purification, and is cooled in a spray cooling area; the cooled gas fog enters a pre-dedusting area on the baffle plate where the thicker and bigger water particles and coke powder in the gas fog are separated from the gas fog and impact to the baffle plate under the action of inertia; the remaining gas fog continues to ascend and enter an athermal plasma purification area where organic components, ammonia nitrogen and cyanide in the gas fog are oxidized by the athermal plasma; the water particles and the coke powder are charged and are transferred to a trapping pole plate directionally under the action of a high voltage electric field; and then the gas flow after subjected to the athermal plasma purification area continuous to ascend to the top of a coke quenching tower to be discharged. After the processing steps, the contents of water vapor and the coke powder discharged outside after one ton of coke is produced are controlled to be less than 0.05 ton and 5 grams respectively, and the removal rate of the organic components, the ammonia nitrogen and the cyanide can reach more than 80 percent.
Owner:BEIHANG UNIV
Method for treating acidic waste-water contg. nonferrous metals
InactiveCN1218889CReduce the amount of pollutantsReduce processing loadMultistage water/sewage treatmentPrecipitationNon-ferrous metal
The new process for treating acidic waste water containing non-ferrous metal ions includes two-stage treatment method, one of them adopts lime neutralization treatment step, the lime milk can be added into said acidic waste water to make the pH value of waste water up to 7.5-9, and another method is a ferric polysulfate precipitation treatment step, the ferric polysulfate is added into the supernatant fluid of the waste water, and the pH value of said waste water can be up to 7.5-9.
Owner:株洲冶炼集团有限责任公司
A pretreatment method and device for ramie degumming wastewater
ActiveCN104150646BImprove reliabilityEasy to operate and controlMultistage water/sewage treatmentFlocculationLiquid waste
The invention relates to the field of treatment of ramie wastewater, in particular to a pretreatment method of ramie degumming wastewater and a device adopting the same. The pretreatment method of the ramie degumming wastewater comprises the following steps: adopting a chemical degumming method to remove an alkali degumming black liquor, alkali washing wastewater and a waste acidic liquor generated from the ramie gum, respectively collecting the liquors, mixing the alkali degumming black liquor with the waste acidic liquor, adjusting the pH value to 2-4, removing flocculates to obtain a clear solution, and mixing the clear solution with the alkali washing wastewater to obtain liquid with the pH value of 6-8. The pretreatment method of the ramie degumming wastewater, provided by the invention, can enable the color of the wastewater to become faint yellow from dark brown black, obviously decreases the chromaticity, reaches the COD (Chemical Oxygen Demand) concentration of the mixed wastewater after pretreatment to be less than 3000 mg / L, is low in cost, simple in control and operation of the pH value, high in reliability, simple and feasible, and can avoid secondary pollution due to a flocculation medicament. The invention further provides a device for the pretreatment method, so as to enable the pretreatment method to be easy to operate, reduce the pollution, and meanwhile save a lot of manpower.
Owner:JIANGXI ENDAMA CENTURY TECH
Method for treating contaminants using three-way catalyst when starting internal combustion engine
PendingCN114651115AReduce the amount of pollutantsInternal combustion piston enginesExhaust apparatusChemistryProcess engineering
The invention relates to a method for treating contaminants emitted by a vehicle having a heat engine, in which a catalytic device (3) is heated, characterized in that the amount of oxygen (OS) in the catalytic device (3) is controlled to exceed a minimum amount of oxygen (OS1) by injecting air upstream of the catalytic device (3).
Owner:NISSAN MOTOR CO LTD
Quantitative feeding device for aluminum electrolytic cell
InactiveCN105293006AHigh precisionReduce the amount of pollutantsControl devices for conveyorsElectric machineryPressure sensitive
The invention discloses a quantitative feeding device for an aluminum electrolytic cell. The quantitative feeding device comprises a discharging device arranged over an electrolytic cell hopper in the aluminum electrolytic cell, a feeding and conveying device arranged above the discharging device and a power source connected with the discharging device and the feeding and conveying device at the same time. The discharging device comprises a discharging hopper, a rotary weighing cone arranged at the bottom of the discharging hopper, a discharging motor arranged on the outer side of the discharging hopper and connected with the rotary weighing cone and the power source. The discharging hopper is further provided with an anti-accumulation cone. A pressure-sensitive delay control circuit is further arranged between the power source and the discharging motor. By means of the quantitative feeding device for the aluminum electrolytic cell, precise feeding can be well guaranteed each time, consumption of materials and output of pollutants are lowered greatly, production devices can be well protected, and the service life of the production devices is prolonged.
Owner:SICHUAN HUASUO AUTOMATION INFORMATION ENGCO
A method for reducing pollution in the riparian zone
InactiveCN105668944BIncrease infiltration ratioHelp supplementWater/sewage treatmentMultistage water/sewage treatmentVegetationRiparian buffer
The invention discloses a riparian zone sewage reduction method, particularly a riparian zone sewage reduction method by combining a perennial vegetation zone and an infiltration reinforcement zone. The method comprises the following step: arranging an infiltration reinforcement zone and a perennial herb sewage interception buffer zone for the riparian zone, wherein the sewage interception buffer zone is composed of a hygrophytic herb zone, a mesozoic herb zone and a xeromorphic herb zone which are sequentially arranged from the riverbank to the place far away from the riverbank, a reaping mode is adopted to reduce the growth of the annual herbs, and the infiltration reinforcement zone is arranged between the hygrophytic herb zone and the mesozoic herb zone. The method can effectively intercept sewage and increase the infiltration amount of underground water; and the perennial herbs have developed root systems, so the reasonable arrangement of the perennial herbs is beneficial to enhancing the sewage interception capacity and water / soil retention capacity of the riparian zone. By sectionallly planting and arranging the hygrophytic, hygrophytic and xeromorphic perennial herbs, the vegetation can be regulated to enhance the sewage interception capacity of the riparian buffer zone.
Owner:HUAZHONG AGRI UNIV
Waste cooking oil-based polyester derivative grease and preparation method thereof
PendingCN110903913AReduce lossImprove stabilityFatty acid esterificationFatty acid oxidationOil and greasePtru catalyst
The invention provides polyester derivative grease based on waste cooking oil and a preparation method thereof. According to the preparation method provided by the invention, a NaOH solution is used for hydrolyzing the waste cooking oil, so a large amount of sodium aliphatate can be obtained, the effect of a subsequent esterification reaction is improved, a product with simple components and highstability is obtained, and the loss of the waste cooking oil and the amount of pollutants to the environment are reduced; fatty acid obtained after acidification and neopentyl glycol are subjected toan esterification reaction under the action of a solid acid catalyst, and compared with other alcohol raw materials, esterification effect can be effectively improved, soap products are prevented frombeing formed, and the yield of ester products is increased; and then, an epoxidation reaction and a ring-opening reaction are carried out, so the polyester derivative grease with the characteristicsof high viscosity, high flash point, high thermal stability and relatively simple components can be obtained, and the polyester derivative grease has good biodegradability and can be used as lubricating oil base oil.
Owner:CHONGQING TECH & BUSINESS UNIV
a sewer interception
ActiveCN103225343BEasy maintenance and managementReduce cleaning timesFatty/oily/floating substances removal devicesEngineeringSmall particle
Owner:CHONGQING UNIV
Resource and harmless processing method for biggest solid waste distiller's grain of traditional white spirit
ActiveCN102246945BEnhance the sense of natureImprove qualityAlcoholic beverage preparationAnimal feeding stuffBiotechnologyAmmoniacal nitrogen
The invention discloses a resource and harmless processing method for biggest solid waste distiller's grain of traditional white spirit. The method comprises the following steps: adding diastatic enzyme, acid protease, thermostable active dry yeast, moderate-temperature yeast and cellulase into the distiller's grain of white spirit, and putting the mixture in a pit for solid state fermentation; adding rhizopus, red yeast, high-temperature yeast, distiller's grain wine and concentrated hexanoic acid fermentation liquid into the pit for solid-liquid combined fermentation; extracting and distilling the fermented grains to obtain natural essence for thick-flavor white spirit, natural essence for table vinegar and substance prepared into protein feed at the same time. The method disclosed by the invention has low cost, short production period, can process 35,000 tons of distiller's grain annually for the production scale of 8,000 t / a, reduces the pollutants CODcr, BOD5, SS and ammonia nitrogen discharged to environment, and plays a tremendous effect in the regional environmental protection. Meanwhile, the essence products prepared from the distiller's grain effectively improve the quality of white spirit and table vinegar, and sufficiently reflect the recycling value of the resource and harmless processing of solid waste of white spirit.
Owner:SICHUAN YINFAN BIOTECH LTD
Method for producing natural essence for Luzhou-flavor wine from fermented grain waste of wine by solid/liquid combined fermentation
ActiveCN102226128BEnhance the sense of natureImprove qualityFood processingMicroorganism based processesBiotechnologyRed yeast rice
The invention discloses a method for producing natural essence for Luzhou-flavor wine from fermented grain waste of wine by solid / liquid combined fermentation, which comprises the following steps: adding saccharifying enzyme, acid protease, high-temperature-resistant active dry yeast, medium-temperature yeast and cellulase into fermented grain waste of wine; carrying out solid-state fermentation in a cellar; adding rhizopus, red yeast rice, high-temperature yeast, fermented grain waste wine and concentrated hexanoic acid fermentation liquid; carrying out solid / liquid combined fermentation in the cellar; and carrying out extractive distillation on the fermented unstrained wine, carrying out sectionalized concentration, blending and compounding to obtain the natural essence product for Luzhou-flavor wine. The invention has the advantages of low cost and short production cycle, and can treat 35000t of fermented grain waste per year if a production scale of 8000t / a is formed, thereby performing a huge function on regional environmental protection; and meanwhile, the natural essence can be used as a seasoning liquid for brewage so as to avoid temporary fragrance caused by adding synthetic monomer essence, thereby enhancing the natural sensation and solid-state sensation of wine and enhancing the quality of wine.
Owner:SICHUAN YINFAN BIOTECH LTD
Plasma ceramic sterilization faucet
ActiveCN111022929AImprove sterilization effectAvoid secondary pollutionSpecific water treatment objectivesWater/sewage treatment by magnetic/electric fieldsPlasma sterilizationWater flow
The invention provides a plasma ceramic sterilization faucet, and relates to the technical field of plasma sterilization. The faucet comprises a water inlet end and a water outlet end, wherein the water inlet end and the water outlet end communicate through a first pipeline and a second pipeline, a first valve is arranged at the intersection position, close to the water inlet ends, of the first pipeline and the second pipeline, the water outlet end is provided with a second valve, the first pipeline is provided with a communication port connected with a plasma generation module, the air inletend of the plasma generation module is connected with an air pump, a first air inlet of the air pump is connected with an air supply module, the air supply module comprises an oxygen supply device andan argon supply device, the oxygen supply device and the argon supply device are connected with the air pump through a three-way pipeline, flow valves are arranged on air inlet pipelines connecting the three-way pipeline and the oxygen supply device and the argon supply device, and the first pipeline is provided with a water flow monitoring module and a controller. The problem that in prior art,faucet does not have disinfection sterilization function and cannot meet requirement for water use in special places such as hospitals and laboratories is solved.
Owner:河南先途智能科技有限公司
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