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Preparation of asphalt for producing coal-based needle coke
InactiveCN101302431AHigh yieldImprove product qualityTar working-up by distillationCoking carbonaceous materialsDistillationCoal dust
The invention discloses a method for preparing pitch used for producing coal-based needle coke. The method comprises the following steps that: coal tar and coal pitch are taken as raw materials; coal tar light compositions are taken as solvent; coal dust, metallurgical coke powder, or mixture of the metallurgical coke powder and diatomite, or mixture of the metallurgical coke powder and expanded perlite are taken as filter aid; uniform filter aid filter cakes are formed in a centrifuge by filter aid mixture at first, and then mixture of the coal pitch or the coal tar, wash oil and the filter aid is added into the centrifuge in which the uniform filter aid filter cakes are formed for centrifugal filtration; and obtained centrifugate is driven to pass through atmospheric distillation recovery solvent, so as toe obtain the refining pitch raw materials which are suitable for producing the coal-based needle coke. The yield of the pitch raw materials used for producing the coal-based needle coke prepared by the technology is improved by 10 to 15 percent compared with other methods; the manufacturing technique is simple and the preparation cost is low; and the mass production is easy to realize.
Owner:邯郸市鑫宝煤化工有限公司
Superfine coal dust oxygen-enriched combustion technology and system
InactiveCN103234198AIncrease burnoutAlleviate the problem of slagging on the heating surfaceCombustion using gaseous and pulverulent fuelCombustion using liquid and pulverulent fuelTrappingFlue gas
The invention discloses a superfine coal dust oxygen-enriched combustion technology and system in the technical field of energy conservation and emission reduction. The technology comprises the following steps of: preparing superfine coal dust with an average particle size of less than 20 microns, and burning in an oxygen-enriched environment with overall concentration kept at 27-35% (v / v); extracting part of the hot flue gas in a flue at the rear part of a deduster; and circularly preparing superfine coal dust by taking the extracted flue gas and oxygen as combustion-supporting mediums again. According to the technology and system disclosed by the invention, the superfine coal dust is applied to the oxygen-enriched combustion technology, and the advantages of the two are effectively combined to realize an effect of using advantages and bypassing disadvantages; and the superfine coal dust oxygen-enriched combustion technology finishes efficient trapping of CO2 and is a new coal dust combustion technology with good combustion property and better pollutant discharge performance, and surely becomes an emerging technology for pollutant cooperative removal deserving vigorous promotion.
Owner:SHANGHAI JIAO TONG UNIV
Tartary buckwheat flavor pecan and tartary buckwheat leach liquor processing method
InactiveCN105011053AEvenly steamedRich aroma of wheatFood ingredient as flavour affecting agentFood preparationPolygonum fagopyrumDigestion
The invention discloses a tartary buckwheat flavor pecan and tartary buckwheat leach liquor processing method. The tartary buckwheat leach liquor processing technology includes the procedures of tartary buckwheat obtaining, impurity removal, fine selection, cleaning, soaking, steaming, drying, frying, cooling, soaking and leach liquor combining. The tartary buckwheat flavor pecan processing technology includes the procedures of pecan obtaining, grading, cleaning, samming, opening, de-enzyming, taste adding (material liquid), taste oozing, drying, baking, cooling and packaging. Pecans obtained through the technology are bright in color, kernels are crisp, and a special flavor of tartary buckwheat is obtained. The pecans are pure and natural in fragrance, and physical properties in the tartary buckwheat are integrated in the pecans. The pecans have the functions of helping digestion and reducing blood fat, and leisure nut food which is natural, fragrant and beneficial to health and shows a whole new concept is provided for customers.
Owner:ANHUI TIANMEI FOOD
Method for extracting theophylline sodium salt or theophylline by styrene type macroporous resin
ActiveCN102344450AQuality improvementImprove extraction efficiencyOrganic chemistryBenzeneDesorption
The invention discloses a method for extracting theophylline sodium salt or theophylline from a theophylline sodium salt or theophylline mother solution by a styrene type macroporous resin adsorption method, which comprises the following steps: (1) regulating the pH value of the theophylline sodium salt or theophylline mother solution; (2) filtering the mother solution and removing suspended impurities in the mother solution; (3) adsorbing the mother solution by adsorption resin; (4) desorbing the adsorption resin after adsorption saturation by a desorbing agent to obtain a desorption solution; (5) regulating the pH value of the desorption solution, standing and crystallizing theophylline sodium salt or theophylline; (6) centrifugally filtering; and (7) drying to obtain solid theophylline sodium salt. The method provided by the invention has the advantages that the theophylline sodium salt or theophylline crude product has better quality, the operation safety is better, the extraction efficiency is higher, the extraction cost is low, and the method is more suitable for mass production and facilitates realizing automatic operation. With the method disclosed by the invention, the extraction cost of the theophylline sodium salt and theophylline can be reduced, the extraction yield of the theophylline sodium salt and theophylline is increased, and the competitiveness of enterprises is enhanced.
Owner:SUNRESIN NEW METERIALS CO LTD XIAN
Method for devulcanization by burning power plant fire coal mixed with dried sludge
InactiveCN102676267ASolve the problem of solid waste disposalRelieve pressureSolid fuelsSocial benefitsSludge
The invention relates to the technical field of environment-friendly devulcanization processes, in particular to a method for devulcanization by burning power plant fire coal mixed with dried sludge. The method comprises a first step of making papermaking waster paper sludge into the dried sludge by dewatering, a second step of enabling the dried sludge and the power plant fire coal to be fully mixed, a third step of utilizing a coal mill to grind the power plant fire coal mixed with the dried sludge into powder, a fourth step of enabling the mixed powder of the ground dried sludge and the power plant fire coal to be placed in a hearth to be burnt, enabling calcium ions and magnesium ions in the dried sludge to be combined with sulfur dioxide in flue gas in the high-temperature burning process, generating sulfur-containing sediments, and removing sulfur-containing components in coal. The method is simple in process and low in equipment cost and production cost, can reduce use of a desulfurizer by over 30%, turns the papermaking waster paper sludge into wealth, and is high in economic benefits and social benefits.
Owner:DONGGUAN NINE DRAGONS PAPER IND
Environment-friendly low-formaldehyde wastewater-discharge-free furan resin and preparation method thereof
The invention discloses environment-friendly low-formaldehyde wastewater-discharge-free furan resin and a preparation method thereof. The furan resin is prepared from the following components: 50-60 parts of furfuryl alcohol, 9-15 parts of formaldehyde, 8-12 parts of urea, 25-35 parts of treated wastewater, 0.2-0.5 part of ammonia water, 0.2-0.5 part of formic acid, 0.2-0.5 part of sodium hydroxide, 0.4-0.5 part of a coupling agent and 2-6 parts of methanol. The preparation method comprises the following steps: adding wastewater in a reactor, then adding 9-15 parts of formaldehyde, 6-10 parts of urea, and slowly adding sodium hydroxide to adjust the pH to 8-10; heating to 85-95 DEG C, carrying out heat preservation and reacting for 30-60 minutes, adding the rest of urea and 30-35 parts of furfuryl alcohol and slowly adding sodium hydroxide to adjust the pH to 8-10; heating to 85-95 DEG C, carrying out heat preservation and reacting for 30-60 minutes, and after the reaction is completed, carrying out vacuum dehydration; adding the rest of furfuryl alcohol and slowly adding formic acid to adjust the pH to 4-5; heating to 90-105 DEG C, carrying out heat preservation and reacting for 30-60 minutes, and after the reaction is completed, carrying out vacuum dehydration; adding 2-4 parts of tap water and stirring for 10-20 minutes and after the stirring is completed, carrying out vacuum dehydration; and cooling to below 60 DEG C, slowly adding ammonia water to adjust the pH to 6.5-7.5, further cooling to below 40 DEG C, adding methanol and the coupling agent, stirring for 10-20 minutes and filtering.
Owner:昌乐恒昌化工有限公司
Novel building thermal insulation material composition produced from drift-sand and preparation method thereof
The invention relates to a novel building thermal insulation material composition produced from drift-sand and a preparation method thereof and belongs to the technical field of manufacturing of ceramic products. The main technical characteristic of the invention is as follows: the raw material composition of the novel building thermal insulation material composition consists of 60-92% of drift-sand, 0-12% of borax, 1-4% of talc, 3-8% of soda, 2-7% of sodium fluosilicate, 2-12% of silicon carbide and 2-15% of limestone. A standard building thermal insulation material is processed through raw material screening, blending, fine grinding, flour milling, forming, firing and cutting. The novel building thermal insulation material composition disclosed by the invention has less raw material components, the preparation method is simple, the drift-sand is used as the main raw material, and the cost is low, so that the preparation method is a new technology for changing harmful substances into treasures, and the novel building thermal insulation material composition has the advantages of good thermal insulation properties, incombustibility, high strength, low water-absorption rate, corrosion resistance, convenience in mounting and the like. Meanwhile, one of better ways for industrial desertification control is provided, the erosion of deserts to the land can be reduced, farmland and green areas are expanded, and pollutions of the drift-sand to the environment can be greatly improved.
Owner:咸阳陶瓷研究设计院有限公司
Polymethacrylate/graphene nano composite polymer pour point reducer and preparation method thereof
ActiveCN106978225AImprove low temperature performanceIncreased sensitivityLiquid carbonaceous fuelsFuel additivesAfter treatmentOrganic solvent
The invention discloses a polymethacrylate / graphene nano composite polymer pour point reducer and a preparation method thereof. The method comprises the following steps: (1) ultrasonically dispersing graphene oxide in an organic solvent to obtain a suspension; then adding methacrylate and an initiator into the suspension, and performing a polymerization reaction at 70 to 90 DEG C in an inert atmosphere to obtain a viscous material; and (2) adding a reducing agent into the viscous material to reduce the graphene oxide, and after the reaction is ended, performing the after-treatment to obtain the polymethacrylate / graphene nano composite polymer pour point reducer. The preparation method is simple and feasible, easy in operation, and high in safety; the obtained pour point reducer is stable in performance and excellent in pour point reduction effect; and moreover, the graphene has flammability, does not block a filter screen of an engine, and is not deposited at the bottom of the engine. The polymethacrylate / graphene nano composite polymer pour point reducer is applied to Number-0 diesel, and a cold filter plugging point and a condensation point of the number-0 diesel can be respectively decreased by 6 to 15 DEG C and 12 to 23 DEG C.
Owner:SHANGHAI INST OF TECH
Preparation method and system for green carbon containing biomass
The invention belongs to the field of clean energy and particularly relates to a preparation method and system for green carbon containing biomass. The invention particularly discloses the preparation method for the green carbon containing biomass. The preparation method comprises the following steps: (1), processing one or a mixture of more than one of coke, semi coke and sawdust composite charcoal into carbon particles with the particle size of 8-15 mm; processing a biomass material into biomass particles with the particle size of 8-15 mm; (2), sufficiently and uniformly mixing the carbon particles and the biomass particles, which are obtained in the step (1), with a binding agent and water, and drying after extrusion forming so as to obtain the green carbon containing biomass. According to the invention, carbon and the biomass material are prepared into the green carbon according to a ratio, so that the green carbon has the advantages of high heat value, high flammability and high economy.
Owner:李兴
Combustible nano-composite pour point depressant and preparation method thereof
ActiveCN106947554AFlammableImprove low temperature fluidityLiquid carbonaceous fuelsFuel additivesPolyethylene vinyl acetateCarvacryl acetate
The invention discloses a combustible nano-composite pour point depressant and a preparation method thereof. The combustible nano-composite pour point depressant is a blend of nano-graphene and a polymer pour point depressant, wherein the polymer pour point depressant is any one or two of a polymethacrylate pour point depressant or a polyethylene-vinyl acetate pour point depressant. The combustible nano-composite pour point depressant is prepared from nano-graphene and the polymer pour point depressant by virtue of a solvent blend method; and the preparation method is easy and feasible. Compared with a common nano-composite pour point depressant, the combustible nano-composite pour point depressant has the major advantages that the pour point depressant is combustible and lossless, does not pollute a diesel engine, does not settle at the bottom of the diesel engine and has stable performance and an excellent effect. By applying the combustible nano-composite pour point depressant to 0# diesel, a cold filter plugging point and condensation point of the 0# diesel can be respectively decreased by 11-16 DEG C and 18-25 DEG C.
Owner:SHANGHAI INST OF TECH
Method and system for modifying HC discharge of engine when starting
InactiveCN101210507AEmission reductionFast ignitionInternal combustion piston enginesExhaust apparatusElectricityExhaust valve
Disclosed is a method of improving HC emission when an engine is cold-started. The method includes the following main steps: 1. fresh air is injected into a passage behind an exhaust valve of the engine; 2. when the exhaust valve is opened, the fresh air performs oxidation reaction directly with exhaust gas; 3. the exhaust gas enters a three-way catalytic converter for catalyzing and converting. A system realizing the method comprises an inlet of a secondary air valve which connects an electromagnetic valve control and a secondary air pump extracting air from an air filter, an oxygen sensor, the three-way catalytic converter and an electronic control unit; wherein the rear pipe of the exhaust valve of the engine is connected with the three-way catalytic converter, the oxygen sensor is arranged before the three-way catalytic converter, and the electronic control unit is connected with the electromagnetic valve and the oxygen sensor via electricity. The method is characterized in that the rear outlet of the secondary air valve is connected with the exhaust valve of the engine. Since the position where secondary air is injected into the exhaust gas is arranged directly behind the exhaust valve, the oxidation reaction utilizes the temperature of the exhaust gas to the greatest extent, emission of HC and Co is greatly reduced, and the catalytic converter is started as soon as possible, thereby resulting in that emission requirements of cold-started emission values can be achieved more easily.
Owner:CHERY AUTOMOBILE CO LTD
Smoke flavoring for roast smoking of preserved meat
ActiveCN105660815AImprove flammabilityFlammableMeat/fish preservationFood ingredient as flavour affecting agentBiotechnologyCinnamomum camphora
Disclosed is a smoke flavoring for roast smoking of preserved meat.The smoke flavoring is made of, by weight, 30-50 parts of pine wood, 5-10 parts of cinnamomum camphora wood, 5-10 parts of dried orange peel, 30-50 parts of dried corn stalk, 2-3 parts of illicium verumm 2-3 parts of cortex cinnamomi, 3-5 parts of brown sugar and 7-10 parts of kaolin.The raw materials of the smoke flavoring are easily available, cost is low, industrial production is facilitated, fire behavior is controllable, the preserved meat is not easy to burn, industrial batch production for roast smoking of the preserved meat becomes possible, and the smoke flavoring can also reduce production and deposition of harmful substances and conforms to the concept of green and sound development.
Owner:山东大树欧亚天然调味品有限公司
High viscosity briquette waterproof composite binder
InactiveCN105296045AImprove molding rateImprove cohesionSolid fuelsEconomic benefitsThermal stability
Owner:GUANGXI JINZHUANGJIN ENERGY SAVING TECH
Composite treatment method of radioactive waste oil
ActiveCN107910091AOptimize the addition ratioRaise the ratioRadioactive decontaminationRoom temperatureEngineering
The invention relates to a composite treatment method of radioactive waste oil. The method sequentially includes the steps that 1, at the room temperature, a thickening agent is added into the waste oil during stirring, and even stirring continues to obtain a first material; 2, an addition agent is added into the first material during stirring, and even stirring continues to obtain a second material; 3, a curing agent is added into the second material during stirring, and even stirring continues to obtain a cured product. The method can be completed at the room temperature and has good compatibility with different waste oils or waste liquids, the obtained cured body is low in oil penetration rate, has certain strength and is easy to recycle after scattering and good for transportation, andthe cured body is combustible, so that subsequent incineration treatment is convenient.
Owner:BEIJING UNIV OF CHEM TECH +1
City household garbage disposal furnace
The invention discloses a city household garbage disposal furnace and relates to the technical field of garbage disposal equipment. The city household garbage disposal furnace comprises a furnace bodywith a feed inlet in the top; a smashing device is arranged below the feed inlet; a filter barrel is arranged below the smashing device; a guide plate extending to a water outlet is formed below thefilter barrel; the filter barrel is connected with a fixing frame in a furnace body through a hinge shaft which is provided with a motor; the motor is connected with the filter barrel through a rotaryshaft; the fixing frame extends outwards to form a feed hopper; a conveying belt connected with a driver is arranged below the feed hopper; and the downstream portion of the conveying belt extends toa bin inlet of an incineration bin. By means of the city household garbage disposal furnace, the problem that existing household garbage incineration is incomplete can be solved.
Owner:柳州东侯生物能源科技有限公司
Battery leakage detector and detection method thereof
InactiveCN111272344ASmall boxSmall footprintDetection of fluid at leakage pointCommunication interfaceElectric-vehicle battery
The invention provides a battery leakage detector, which comprises a detector box body, a detector box cover and a power supply; the detector box body is internally provided with a detection device, and the detection device comprises a PCB module with a single chip microcomputer, and a temperature and humidity sensor, an ethylene glycol sensor, a carbon monoxide sensor and a communication interface which are arranged on the PCB module; the battery leakage detector makes up for the functional deficiency of an existing electric vehicle battery BMS system, performs targeted monitoring on batteryelectrolyte leakage and cooling liquid leakage, and achieves the functions of pre-discovery and pre-alarm on the thermal runaway phenomenon of a battery pack. Through the application of various sensors, the battery detection function is more comprehensive, hidden dangers caused by battery leakage are checked one by one, and the safety of the battery in the use process is truly guaranteed. Meanwhile, the detector also provides signal uploading and real-time alarming functions, so that all-around safeguard is realized.
Owner:SHANGHAI FOUND AUTOMATIC EQUIP CO LTD
Synthetic sludge fuel and preparation method thereof
InactiveCN102827664AReduce moisture contentReduce processing costsBiofuelsSolid fuelsCoalTreatment costs
The invention relates to a synthetic sludge fuel and a preparation method thereof. The technical problems of high moisture content of a fuel prepared from water-containing sludge, low utilization rate of the water-containing sludge, high utilization rate of raw coal, disadvantageousness to high consumption of the water-containing sludge and the saving of the raw coal, and high raw coal content, high cost and poor low-carbon environmental performance of the obtained synthetic sludge fuel in the prior art are solved. The synthetic sludge fuel is prepared from 5 to 95 weight percent of sludge with the moisture content of 10 to 98 percent and the balance of combustion improver. Agricultural and forestal residues are effectively utilized, the moisture content of a sludge mixture can be effectively lowered, and the treatment cost of the sludge can be greatly lowered; the sludge fuel can be easily dried; and sulfur can be fixed, a heat value is increased, the utilization rate of the sludge is high, the obtained synthetic sludge fuel is high in heat value, low in cost and high in environmental performance, and has a good combustible working condition, and thus waste is turned into wealth.
Owner:陕西楷华环保科技有限公司
Water-permeable water storage bricks for paving paths of gardens
InactiveCN107417295AFlammableImprove fertilitySingle unit pavingsPaving gutters/kerbsFiberWater storage
The invention relates to water-permeable water storage bricks for paving paths of gardens. The bricks are prepared through the steps: mixing the ingredients in parts by mass: 1-2 parts of organic plant fiber material, 4-6 parts of sandy clay, 0.2-0.5 part of powdery shale and 0.1-0.3 part of powdery coal gangue, so as to prepare a powdery brick making raw material; and adding water into the powdery brick making raw material, carrying out stirring, carrying out press forming through a brick making machine, and carrying out sintering at the temperature of 1,100 DEG C to 1,300 DEG C by using a kiln, thereby preparing the bricks. According to the water-permeable water storage bricks, the sandy clay, the shale and the coal gangue serve as inorganic materials, and brick bodies with hard texture can be prepared through subjecting the sandy clay, the shale and the coal gangue to mixing and burning. By adding the organic plant fiber material, the organic plant fiber material can be carbonized through carrying out high-temperature baking on the brick bodies during brick making, so that each entire brick body can form a honeycomb structure, the honeycomb structure of each brick body can be used for improving the water storage and air ventilating capability of each brick body, and a remaining carbonized remainder can be slowly released into soil under the action of water to improve the fertility of the soil.
Owner:杨朝雄
Treatment process of agricultural and forest waste
InactiveCN109022092AAbundant resourcesSimple methodBiofuelsSolid fuelsMaterial resourcesEnergy conservation
The invention discloses a treatment process of agricultural and forest waste. The process comprises the following steps of S1, performing coarse crushing on agricultural and forest waste; crushing theagricultural and forest waste to the particle diameter being below 2mm; S3, soaking the materials crushed to the state with the particle diameter being smaller than 2mm into hot water being 60 to 70DEG C for 10 to 12h; performing press filtering by a plate-and-frame filter press; putting the materials into a fermentation pool; S3, adding biomass carbon powder into materials subjected to anaerobic fermentation treatment in the step S2; after the uniform stirring, isolating the air for continuous fermentation for 10 to 20 days; performing deodorization and drying to obtain a mixture A; S4, adding additives, bentonite and anti-coking additives into the mixture A; then, performing uniform mixing to obtain a mixture B; ensuring the water content of the mixture B to be within 15 percent; performing extrusion shaping by using an extrusion shaping machine; performing drying to obtain biomass fuel. The agricultural and forest waste is a resource capable of being regenerated and utilized; theraw material resources are rich; the energy source saving is facilitated by using the agricultural and forest waste solid type regeneration clean fuel; the problem of energy source shortage is solved.
Owner:滁州三丰科技有限公司
Wind power generator unit heat-dissipating device and method based on separate heat pipe heat exchanger
PendingCN110174015ASolve the cooling problemEasy to manufactureIndirect heat exchangersElectricityTemperature control
The invention discloses a wind power generator unit heat-dissipating device and a wind power generator unit heat-dissipating method based on a separate heat pipe heat exchanger, and belongs to the technical field of wind power generator unit temperature control. The internal part of a cabin of the wind power generator unit is subjected to heat dissipation by the separate heat pipe heat exchanger and the internal structure of the original cabin is changed little, so that manufacturing and mounting are facilitated; and a heat pipe condensation section and a heat pipe evaporation section of the separate heat pipe heat exchanger can be arranged separately, the heat pipe evaporation section is arranged on a part, needing heat dissipation, in the cabin, the heat pipe condensation section is arranged at the top of the cabin, a medium in the heat pipe evaporation section is changed into a gaseous medium after absorbing heat, the gaseous medium flows to the heat pipe condensation section at thetop of the cabin through a vapor ascending pipe and exchanges heat with the external air to be condensed into a liquid medium, the liquid medium returns to the heat pipe evaporation section under thegravity action and through a liquid descending pipe, and continuous transfer of heat is completed by depending on continuous phase change of the interal medium. The wind power generator unit heat-dissipating device has high heat-dissipating efficiency, can effectively solve the heat dissipation problem of a rotating part and an electric appliance component in the cabin and has extremely high practical value.
Owner:CHINA HUANENG GRP CO LTD +1
Honeycomb briquette
The invention relates to the technical field of coal industries, in particular to a honeycomb briquette; the honeycomb briquette comprises a raw coal, clay and an additive; the additive includes the components of the following weight portions: 3 to 9 of sodium chloride, 2 to 6 of alumina, 2 to 6 of ferriferrous oxide, and 2 to 6 of potassium chloride; the honeycomb briquette uses sodium chloride, alumina, ferriferrous oxide and potassium chloride as additives; due to a plurality of subtle reactions of the additives during the combustion process, the honeycomb briquette is characterized by easy combustion, long combustion time and the like; particularly, the effect is the best when the weight portions of sodium chloride, alumina, ferriferrous oxide and potassium chloride are 3:2:2:2; due to the use of the additives, the usage of the clay can be enlarged without impacting on the combustion effectiveness, and the production cost can be greatly reduced.
Owner:颜道友 +1
A kind of multi-core hollow energetic microspheres for emulsion explosives and preparation method thereof
ActiveCN109096023BGood storage stabilityPrevent oxidationExplosive working-up apparatusNon-explosive/non-thermic compositionsExplosive AgentsFoaming agent
Owner:ANHUI UNIV OF SCI & TECH
Process for preparing composite biomass briquettes
InactiveCN1236027CHigh compressive strengthSuitable for long distance transportationBiofuelsSolid fuelsForest industryCombustion
A composite biomass briquette is made up of biomass including stalk or straw, wood leftover, city household garbage and raw coal through crushing, mixing with chlorine fixating agent, sulfur fixating agent and combustion promoter, and hot die pressing. Its advnatages are high compression strength, low combustion point, high combustion efficiency and less environmental pollution.
Owner:KUNMING UNIV OF SCI & TECH
Saw dust compound environment-friendly fuel slug and preparation method thereof
The invention provides saw dust compound environment-friendly fuel slug which is prepared from ingredients in parts by weight: 15 to 25 parts of saw dust, 25 to 35 parts of ethyl alcohol, 4 to 12 parts of potassium nitrate, 1 to 3 parts of manganese dioxide and 35 to 45 parts of paraffin. The invention further provides a preparation method of the fuel slug. According to the fuel slug, the saw dustis utilized to adsorb the ethyl alcohol; meanwhile, an oxidizing agent of the potassium nitrate and a catalyst of the manganese dioxide are added to support combustion. The fuel slug has the advantages of inflammability, high combustion heat, full combustion, long combustion time, small ash content, good combustion performance and use performance, no potassium nitrate generation after combustion,energy conservation and environmental friendliness; furthermore, residual ash after combustion can be recycled to prepare potassium fertilizer, and an effective cycle of waste saw dust-fuel-fertilizer is achieved. The invention further discloses the preparation method of the fuel slug. The preparation method has the advantages of simpleness, easiness in implementation and suitability for wide popularization.
Owner:陈远志
Catalyst with shell-core structure, and preparation method and application thereof
ActiveCN111889114AHigh activityFlammablePhysical/chemical process catalystsGaseous fuelsPtru catalystAluminium hydroxide
The invention discloses a catalyst with a shell-core structure, and a preparation method and application thereof. The catalyst takes a composite oxide containing zinc-loaded aluminum oxide and molybdenum-loaded cerous acyl sulfate as a core and uses palladium-loaded aluminum oxide as a shell, and a mass ratio of the shell to the core is 1: 3 to 1: 7. The preparation method of the catalyst comprises the following steps: firstly, mixing and kneading the zinc-loaded aluminum oxide and the molybdenum-loaded cerous acyl sulfate, conducting molding, and carrying out drying and roasting to obtain thecomposite oxide containing the zinc-loaded aluminum oxide and the molybdenum-loaded cerous acyl sulfate; and uniformly mixing a palladium-containing salt and aluminum hydroxide slurry, coating the composite oxide containing the zinc-loaded aluminum oxide and the molybdenum-loaded cerous acyl sulfate with the obtained mixed solution in the manners of spraying and soaking, and carrying out drying and roasting to obtain the catalyst for catalytic combustion of coal bed gas. The catalyst has the advantages of high activity, low reaction temperature, simple preparation method, low cost and the like when being used for deoxidizing the coal bed gas.
Owner:CHINA PETROLEUM & CHEM CORP +1
Phase change heat storage light porous ceramic tile
InactiveCN108046786AImproving the performance of phase change heat storageImprove insulation effectCeramicwareBrickPhase change
The invention provides a phase change heat storage light porous ceramic tile. The ceramic tile is prepared from, by weight, 50-80 parts of ceramic tile raw materials, 14-20 parts of diatomite, 10-30 parts of lignin, 2-4 parts of sodium tripolyphosphate, 7-13 parts of calcium carbonate, 6-10 parts of expanded perlite, 14-20 parts of paraffin and 6-10 parts of glass bead powder. The ceramic tile prepared according to the proportion of the raw materials and through the preparation method has high porosity and compressive strength and is low in weight and good in heat preservation effect; the compressive strength can reach 10 Mpa or above.
Owner:河南省国泰安信息技术有限公司
Tough and flexible PVC composite floor with UV protective layer structure
The invention discloses a tough and flexible PVC composite floor with a UV protective layer structure. The tough and flexible PVC composite floor comprises a PVC layer and a base gel layer coated on the lower surface of the PVC layer. The upper surface of the PVC layer is provided with an elastic layer. A printing layer is laid on the elastic layer. The upper surface of the printing layer is sequentially provided with a reinforcing layer and a UV protective layer from bottom to top. The upper surface of the PVC layer is provided with concave-convex grooves. The lower surface of the elastic layer is provided with concave-convex grooves corresponding to the upper surface of the PVC layer. The attaching faces of the PVC layer and the elastic layer are meshed with each other through the concave-convex grooves. The tough and flexible PVC composite floor with the UV protective layer structure is good in anti-skid property, high in surface stain resistance, resistant to corrosion, resistant to static electricity, free of burning, resistant to abrasion, resistant to aging, soft in texture and convenient to lay and mount.
Owner:JIANGSU RUISHENG NEW MATERIALS CO LTD
Intelligent type smoke filtering and noise reduction device
InactiveCN104594991AReduce noiseReduce toxic odorExhaust apparatusSilencing apparatusCycloneCombustion chamber
An intelligent type smoke filtering and noise reduction device comprises a body; a combination opening is formed in one end of the body and is in linkage with a shake-proof hose of a diesel engine smoke exhaust outlet, and an exhaust opening is formed in the other end of the body; and smoke passes through a smoke filtering carrier and is discharged from an extending pipe. A cyclone mixed combustion chamber is arranged inside the body and is close to the combination opening, and meanwhile the cyclone mixed combustion chamber extends to form a fuel injecting pipe and a gas injecting pipe, so that fuel and gas are guided into the cyclone mixed combustion chamber; the cyclone mixed combustion chamber is provided with an ignition stick, so that mixed gas is ignited while waste smoke of an engine generates large rotating and is combusted by means of a drainage device provided with a plurality of noise reduction flow dividing pipes; a filter element is arranged on the exhaust opening so as to filter the combusted gas; and a microcomputer automatic control device is utilized for controlling management temperature control and automation operation and further reminding a driver of maintenance operation and the used annual record through voice, so that the aims of intelligence and high-safety use are achieved.
Owner:乔英电机有限公司
Borate produced by wet grinding, and use thereof
InactiveCN107428547AGrowth inhibitionInhibit flammabilityAntifouling/underwater paintsWood treatment detailsPreservativeBorate salt
The invention relates to powdered cation borate with a small grain size and low water solubility. The powdered cation borate and a suspension produced therefrom are suitable, for example, for the finishing of coating substances (such as wood preservatives), in particular fungicidal, biocidal and insecticidal finishing.
Owner:沃纳齐默尔曼
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