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Printing technology for pure cotton or polyester-cotton jean
InactiveCN102304862APrinting process does not consume waterNo sewageTransfer printing processDyeing processWater basedFiber
The invention discloses a printing technology for pure cotton or polyester-cotton jean, belonging to the technical field of textile printing and dyeing. The printing technology comprises the following steps: firstly, preparing a dye into water-based ink suitable for intaglio printing; pretreating fiber fabrics to be served as cloth to be printed; preparing a medium capable of undertaking the printing of figures; designing figure patterns; printing the designed figure patterns on the medium in a common printing mode to obtain a transfer printing medium; carrying out transfer printing of the figures on the transfer printing medium to the cloth by a transfer machine to finish the printing of the jean; and carrying out the processes of softening, shaping and the like with the traditional padding-shaping machine as required. The printing technology has the beneficial effects that the jean with the traditional jean style can be printed, no water is consumed for printing, no sewage is generated, and the printing technology belongs to the clean production technology.
Owner:北京三丽科技有限公司
Method for deacidifying biodiesel
ActiveCN101993776AEasy to removeEfficient reuseBiofuelsFatty-oils/fats refiningOrganic acidBiodiesel
The invention provides a method for deacidifying biodiesel, comprising the following steps of: mixing the biodiesel to be deacidified with a deacidification agent containing water-soluble alcohol, water-soluble amine and water, separating out an oil phase and an aqueous phase after layering, and refining the oil phase to obtain the biodiesel with a qualified acid value. The biodiesel to be deacidified can be a biodiesel intermediate with unseparated glycerol after the ester exchange between oil and alcohol, and can also be crude biodiesel which is removed with the glycerol or / and has a product acid value still out of limits after distillation for colloid removal. The method in the invention not only can be used for conveniently removing organic acid in the biodiesel and obviously reducing the acid value of the biodiesel, but also can be used for effectively reusing or recovering the organic acid and glycerol.
Owner:CHINA PETROLEUM & CHEM CORP +1
Method for recycling and regenerating waste lithium ion battery electrode materials
InactiveCN105990617AEfficient recyclingCause secondary pollutionWaste accumulators reclaimingProcess efficiency improvementPole pieceLithium-ion battery
The invention discloses a method for recycling and regenerating waste lithium ion battery electrode materials, and belongs to the field of recycling and cyclic reuse of electrode materials. The method comprises the steps that waste lithium ion batteries are demounted, subjected to pole piece sorting, soaked with ammonium hydroxide, washed and dried; obtained positive pole pieces and negative pole pieces are subjected to high temperature treatment, a positive electrode powder material, a negative electrode powder material and a current collector are obtained through mechanical method separation; the obtained positive electrode powder material is subjected to lithium supplementing, calcination is carried out after sanding and spray drying, and a regenerated positive electrode material is obtained; the obtained negative electrode powder material is calcined after being subjected to sanding and spray drying, and a regenerated negative electrode material is obtained. According to the method, the positive electrode material and the negative electrode material are recycled, and the advantages of being low in energy consumption, simple in process, short in treatment period, good in regenerated material activity and free of three-waste pollution are achieved.
Owner:MICROVAST POWER SYST CO LTD
Self-supporting construction method for multilayer underground structure next to existing building
InactiveCN101614019AMinimize the bending moment effectShorten pile lengthArtificial islandsExcavationsEngineering structuresCantilever
The invention relates to a self-supporting construction method for a multilayer underground structure next to an existing building. When the distance between a proposed underground building and the existing building is within 15 meters, the construction method is adopted, and the method specifically comprises the following operation steps: 1, supporting pile construction; 2, developing and controlling an earthwork of a negative first layer; 3, controlling holes at a frame column position and setting a retaining wall; 4, carrying out the construction of frame columns of a negative second layer; 5, carrying out the construction of top beams and plates of the negative second layer and columns, beams and plates of the negative first layer; 6, mounting horizontal steel supports; 7, developing and digging the earthwork of the negative second layer; and 8, carrying out the construction of other structures of bottom plates, walls and the like of the negative second layer according to a conventional method. The method skillfully uses the rigidity of an underground engineering structure self to provide a supporting point for the supporting pile so that the supporting pile is changed into a three-span indeterminate member from a cantilever member, so the bending moment load effect of the supporting pile is greatly reduced, then the designed pile length and section area of the supporting pile can be greatly reduced, the construction cost is saved by about over 35 percent, and the integral construction progress of the underground structural engineering is accelerated.
Owner:THE 4TH CONSTR ENG CO LTD OF CHINA RAILWAY NO 4 ENG GRP
Method for preparing sodium percarbonate
ActiveCN103407970AImprove thermal stabilityNo sewagePeroxides/peroxyhydrates/peroxyacids/superoxides/ozonidesPhysical chemistrySewage
The invention discloses a method for preparing sodium percarbonate, which mainly comprises the following steps: preparing a hydrogen peroxide solution; adding fine sodium percarbonate particles into a mixer with cooling equipment to serve as crystal nucleus; spraying the hydrogen peroxide solution into the mixer, and starting the cooling equipment to keep the system reaction temperature at 20 DEG C to 60 DEG C; adding anhydrous light sodium carbonate and a solid stabilizer into the mixer via transportation equipment; when the particle size of sodium percarbonate products reaches 0.5 mm to 1.2 mm, discharging the products; meanwhile, adjusting the feeding speed and the discharging speed to maintain the constant material in the mixer; screening the discharged sodium carbonate products by virtue of screening equipment, wherein the fine sodium percarbonate products with particle size less than 0.5 mm are returned to the mixer as crystal nucleus in a quantitative manner and the middle target materials with particle size within 0.5 mm and 1.2 mm are dried to be finished products. The method for preparing sodium percarbonate is environmentally friendly, small in equipment investment and simple in technology, produces no sewage, and can prepare the high-quality products with high active oxygen, excellent heat stability and excellent humidity stability.
Owner:ZHEJIANG JINKE CHEM
Calcium peroxide preparation method
ActiveCN103950899AIncrease contentHigh content of preparationPeroxides/peroxyhydrates/peroxyacids/superoxides/ozonidesCalcium peroxideHydrogen peroxide
The invention discloses a calcium peroxide preparation method. The method is characterized in that the method mainly comprises the following steps: 1, adding a certain amount of water into a heat insulation reactor, and starting stirring; 2, preparing a hydrogen peroxide mixed solution with a stabilizer triethanolamine; 3, adding a stabilizer sodium tripolyphosphate into calcium hydroxide powder until the sodium tripolyphosphate content accounts for 0.05-10% of the mass of calcium peroxide; 4, simultaneously adding the prepared hydrogen peroxide mixed solution and the calcium hydroxide powder into the heat insulation reactor according to a molar ratio of hydrogen peroxide to calcium hydroxide of 1.18-1.29:1, maintaining the reaction temperature in a range of 20-30DEG C, and reacting for 10-30min; 5, carrying out pumping filtration of reaction materials, and drying to obtain finished calcium peroxide powder; and 6, carrying out processes of step 1 to step 4 on a mother liquor obtained after the pumping filtration to prepare calcium peroxide. The method has the advantages of environmental protection, no sewage, small equipment investment, simple technology, and realization of the preparation of high-content calcium peroxide products at normal temperature.
Owner:ZHEJIANG JINKE CHEM
Method of industrial producing fine powder or powder sizeg and its multifunction fine powder grinding series equipment
InactiveCN100998958AReduce microcracksLow mechanical strengthGrain treatmentsMohs scale of mineral hardnessAutomatic control
A process for industrially preparing superfine powder or powder slurry includes such steps as breaking raw material to become particles equal to or less than 3 mm, multi-stage pulverizing to become superfine powder, and directly mixing it with water to become powder slurry. Its multifunctional superfine pulverizing system is also disclosed.
Owner:何永峰
Unloading and cleaning system for hydraulic unloading imersion pump oil filling riser
InactiveCN1613748ANo air resistance, cavitation phenomenonImprove oil unloading speedLiquid flow controllersLiquid transferring devicesFuel tankAir temperature
An oil unloading and emptying system for the hydraulic dumping oil tank is composed of pitching tube module, submerged oil pump module, hydraulic station and tank-emptying system. Said hydraulic station has a hydraulic power output unit consisting of antiexplosion motor and duplex pump in oil tank. Said submerged oil pump module consists of submerged oil pump, fork pipe, plunger motor, said hydraulic station and pressure delivering pipeline. Sadi tank-emptying system comprises said duplex pump, emptying pump, fork pipe, three-way and valves.
Owner:株洲市自强油气储运设备制造有限公司
Production process of environment-friendly microwave ceramic copper-clad plate
ActiveCN102658704ALow Dielectric Constant Thermal CoefficientEfficient signal transmissionLamination ancillary operationsLaminationGlass fiberMicrowave
The invention relates to a production process of an environment-friendly microwave ceramic copper-clad plate. The environment-friendly microwave ceramic copper-clad plate is mainly applied to the fields meeting high-end requirements, such as microwave and millimeter-wave satellite communications. The process comprises the following steps of: carrying out modification treatment on the surface of glass fiber cloth and immersing in synthetic slurry to form a prepreg; rolling or cutting and laminating, and anchoring a copper foil; then carrying out cold machine pre-pressing to evacuate air; and under the vacuum condition of 10-20 Kpa, keeping the pressure of a hot pressing machine at the temperature of 350-400 DEG C and at the pressure of 15-20 Mpa to be cured for 1-2 hours to prepare the product. The environment-friendly microwave ceramic copper-clad plate has microwave high-frequency low dielectric epsilonr, low loss tan delta, efficient signal transmission and high stability.
Owner:CHENZHOU GONGTIAN ELECTRONICS CERAMICS TECH
Preparation methods and application of low mole ratio UF resin adhesive and high mole ratio MUF resin adhesive
ActiveCN104946181ALow costImprove performanceAldehyde/ketone condensation polymer adhesivesFlat articlesWood shavingsPolymer science
The invention belongs to the field of man-made boards, and relates to preparation methods and application of low mole ratio UF resin adhesive and high mole ratio MUF resin adhesive. The preparation method of the low mole ratio UF resin adhesive comprises the steps that urea is added for three times, and the mole ratio of formaldehyde to the sum of the urea participating reaction is 0.92-0.95; the mole ratio of the formaldehyde to the urea added in the first time is 2.0-2.2; the mole ratio of the formaldehyde to the sum of the urea added in the first time and the urea added in the second time is 1.35-1.5. The preparation method of the high mole ratio MUF resin adhesive comprises the steps that melamine is added, the urea is added for three times, and the mole ratio of the formaldehyde to the sum of all the urea and the melamine is 1.00-1.03; the mole ratio of the formaldehyde to the sum of the urea added in the first time and the melamine is 2.0-2.2, and the mole ratio of the formaldehyde to the sum of the urea added in the first time and the second time and the melamine is 1.35-1.50. The invention further discloses application of the prepared adhesive in shaving boards with the ultralow formaldehyde emission. According to the preparation methods and the application of the low mole ratio UF resin adhesive and the high mole ratio MUF resin adhesive, the binding force of wood shavings in the core layers of the shaving boards is improved, the press speed is improved, and the production efficiency of the boards is improved.
Owner:DARE TECH GROUP
Preparation device and preparation method for asphalt mixture trapezoidal beam test specimen
ActiveCN105938063AShort preparation cycleHigh dimensional accuracyPreparing sample for investigationEngineeringMold tests
The invention relates to a preparation device and preparation method for an asphalt mixture trapezoidal beam test specimen; the device comprises a hydraulic system, a pressure control system, a counter force frame, and a test mold assembly; the counter force frame is erected at the upper part of a hydraulic jacking rod; the test mold assembly is arranged at the top of the hydraulic jacking rod and includes an upper press head, a lower press head and a test mold; the test mold has an inner cavity; the lower press head is located at the bottom of the inner cavity of the test mold; the upper press head presses the test mold from the upper part. The test mold assembly presses against the counter force frame in virtue of the jacking force of the hydraulic system so as to extrude and mold the test specimen. Rolling forming of the prior art is changed, only simply mixing static-pressure molding of trapezoidal beam test specimen-demolding cooling maintenance are required, the production cycle is short, and the molded test specimen has small error; and static pressure molding has no damage of high-frequency vibration during cutting of a specimen in the prior art on the test specimen.
Owner:HEBEI PROVINCIAL COMM PLANNING & DESIGN INST
Compressing double deoxidizer for steelmaking and preparation method thereof
The invention aims at disclosing a compressing double deoxidizer for steelmaking, which, by weight percentage, comprises 5-20% of Ca, 0-8% of Mg, 0-20% of Al, less than 0.03% of S, less than 0.02% of P, 2-10% of binder and balanced Mn. The invention further aims at disclosing a preparation method of the compressing double deoxidizer for the steelmaking, raw materials are added in the binder after mixed according to the proportion and evenly mixed, the mixed raw materials are put in a compression molding press with the pressure less than 20T for pressing, the stoving temperature is set to be 60-120 DEG C to dry a compressed double deoxidizer block for 15-60min, and a dried compressed double deoxidizer block is cooled and packaged to obtain the needed compressing double deoxidizer for the steelmaking.
Owner:CHANGZHOU MAOSHENGTE ALLOY PROD +1
Portable vehicle-mounted steam vehicle washing machine and control method thereof
PendingCN107323432AVolatile fastEfficient decompositionCleaning apparatus for vehicle exteriorsEngineeringSewage
The invention belongs to the technical field of vehicle washing devices, and particularly relates to a portable vehicle-mounted steam vehicle washing machine and a control method thereof. The portable vehicle-mounted steam vehicle washing machine comprises a water tank, a micro water pump, a micro instant steam generator, a micro air compressor, a steam delivering pipe, a steam spraying gun and an intelligent controller. According to the portable vehicle-mounted steam vehicle washing machine, a vehicle storage battery serves as power supply, the intelligent controller controls high-pressure air and high-pressure high-temperature steam which are generated when an air compressor and a steam generator jointly work to enter the steam spraying gun to be joined at an adjacent outlet end, and then simultaneous-spraying high-speed low-temperature steam washes a vehicle, high-temperature steam can also be separately sprayed and is used for washing and disinfecting automotive interiors, seats and an air conditioner outlet, and tires can also be inflated with high-pressure gas generated by the micro air compressor; corresponding spraying guns or spraying heads are arranged according to different parts and the functional requirements of a washed vehicle, it is achieved that one machine has multiple functions, time, power and water are saved, pollution discharging is avoided, the portable vehicle-mounted steam vehicle washing machine is not limited by a site, and a vehicle owner can conveniently and rapidly wash the vehicle in a self-help mode.
Owner:丰艳
Perishable garbage biological disposal system and method for disposing perishable garbage by applying system
PendingCN108202078APromote growthWith heat preservation and moisturizingSolid waste disposalClimate change adaptationIntelligent environmentHermetia illucens
The invention discloses a perishable garbage biological disposal system. The system comprises a garbage pretreatment device, a garbage digestion device and an intelligent environment control device, wherein the garbage digestion device comprises an automatic feeding machine, an insect feeding machine, automatic deodorization equipment, a digestion bed surface, cleaning equipment, disinfecting equipment and automatic discharging equipment; the garbage pretreatment device comprises a barrel turning machine, a grinding machine, a material storage tank and deodorization spraying equipment; and theintelligent environment control device comprises a temperature sensor, a humidity sensor, an illumination sensor and a microcomputer control device. The invention further discloses a method for disposing the perishable garbage based on the perishable garbage biological disposal system. According to the perishable garbage biological disposal system and a method for disposing the perishable garbageby applying the system, a method for disposing the perishable garbage by using hermetia illucens is large in disposal capacity, short in disposal time and low in cost, so that the perishable garbageis digested, the objective of making perishable garbage be transformed into feed is achieved, economic benefits are increased, and sustainable development is facilitated.
Owner:浙江青草地环境科技有限公司
Marked line removing vehicle for highway construction
InactiveCN108149558AHigh strengthAvoid intensityRoad cleaningRoads maintainenceSlagHigh pressure water
A marked line removing vehicle for highway construction comprises a flat panel transporting truck, a double-disc type high pressure water removing trolley is arranged on the lower portion of the frontend of the flat panel transporting truck through a front swing lifting mechanism, a supporting frame and a pulpwater collecting and draining device located on the rear side of the supporting frame are arranged on a chassis of the flat panel transporting truck, a clean water tank is arranged in the supporting frame, a hydraulic system is arranged on the lower portion of the chassis of the flat panel transporting truck, an engine, a diesel tank, a power generator, a storage battery, an upper water pump, a high pressure water pump, a vacuum pump, a first-level filter system and a second-level filter system are arranged on the supporting frame, and a pulpwater inlet of the pulpwater collecting and draining device is connected with a pulpwater suction port of the double-disc type high pressurewater removing trolley through a flexible connection type slag suction pipe assembly. The marked line removing vehicle is convenient to operate, convenient to use and very good in removing effect, and can effectively improve the construction efficiency and the construction effect. Meanwhile, the marked line removing vehicle improves the automation degree of high pressure water removing, relievesthe labor intensity of workers, and accordingly promotes the popularization and application of high pressure water at the aspects of automation and industrialization.
Owner:WELL ROAD MACHINERY CO LTD
Multipurpose spray explosion-type high-pressure temperature-adjustment vapor decomposition drying steam generator
ActiveCN102794030AReduce manufacturing costShort processEnergy industryLiquid separationEnvironmental resistanceExpansion tank
The invention discloses a multipurpose spray explosion-type high-pressure temperature-adjustment vapor decomposition drying steam generator. The multipurpose spray explosion-type high-pressure temperature-adjustment vapor decomposition drying steam generator comprises a liquid feeding filter, a liquid raw material tank, a high-pressure plunger pump, a steam generator, a high pressure spraying device, a primary separation tank, a connection pipe, a high-pressure plunger pump outlet pipe, a heat-conduction oil inlet pipe, a heat-conduction oil outlet pipe, a steam layer outlet pipe, a concentrated dried vapor decomposition chamber, a constant temperature furnace, a circulating pump, a high-position expansion tank, a low-position oil storage tank, a stepwise-decomposed material distillation reduction chamber, a cooling inlet pipe, a cooling outlet pipe and a circulating pump. The multipurpose spray explosion-type high-pressure temperature-adjustment vapor decomposition drying steam generator has the advantages that 1, thermal conversion efficiency is more than 99%; a production cost is greatly reduced; a process flow is shortened; high-pressure and high-temperature steam is produced; and high-pressure and high-temperature disinfection is realized; and 2, defects of the traditional boiler are overcome; concentrated water and water scale in the multipurpose spray explosion-type high-pressure temperature-adjustment vapor decomposition drying steam generator are not produced; sewage is not discharged; environmental benefits are obtained; and costs of manual treatment on water scale and sewage disposal are reduced.
Owner:河北正能锅炉设备有限公司
Transmission liquid for independent hydraulically controlled clutch system
The invention relates to a transmission liquid for an independent hydraulic clutch system, which can effectively solves the problems of independent usage of the transmission liquid, resource conservation and cost reduction to meet the actual requirement for transmission liquid of automobiles. The transmission liquid with a total amount of 100% comprises, by weight percentage, diethylene glycol residual liquid 53 to 60%, ethylene glycol residual liquid 38 to 45%, diethanolamine 0.8 to 1.00%, triethanolamine 0.5 to 0.8%, benzotriazole 0.06 to 0.09%, sodium nitrite 0.3 to 0.7% and silicone oil 0.05 to 0.08%. The preparation method comprises the following steps: adding diethylene glycol residual liquid and ethylene glycol residual liquid sequentially into a reaction kettle, stirring and heating, adding diethanolamine, reacting for 40 to 50 min, sequentially adding triethanolamine, benzotriazole, sodium nitrite and silicone oil, cooling to 10 to 40 DEG C, stirring for 20 to 40 min, standing for 1 h, and filtering to obtain the final product. The method has the advantages of simple process, low cost, high utilization value, no pollution discharge and no residues in the production process, and environmental protection, and the transmission liquid for the independent hydraulic clutch system is a great innovation.
Owner:邵将
Combined type marking removal engineering vehicle for road construction
A combined type marking removal engineering vehicle for road construction comprises a flatbed transporter and a hand-push high-pressure water removal vehicle located on the front side of the flatbed transporter. The flatbed transporter is provided with a slag and water collection and drainage device, a clean water tank, a hydraulic system, an engine, a diesel tank, a generator, a storage battery,a charging pump, a high-pressure water pump, a vacuum pump, a primary filtration system and a secondary filtration system. The water outlet of the high-pressure water pump is connected to the water inlet of the hand-push high-pressure water removal vehicle through a high-pressure water outlet pipe. The suction port of the vacuum pump is connected to the upper portion of the front side of the slagand water collection and drainage device through a vacuumization pipe. The slag and water inlet of the slag and water collection and drainage device is connected to the slag and water suction port ofthe hand-push high-pressure water removal vehicle through a fixable connection type slag suction pipe assembly. The combined type marking removal engineering vehicle for road construction has a good removal effect, the waste water and the slag can be recovered, the construction efficiency and the construction effect are effectively improved, the degree of automation of high-pressure water removalis also improved, the labor intensity of the workers is reduced, and the popularization and application of high-pressure water to the fields of automation and industrialization are promoted.
Owner:WELL ROAD MACHINERY CO LTD
Ice-similar training site comprising safety protection device
PendingCN109356409AStrong expandabilityRich community activitiesGround pavingsGymnasiumSafety netSolar water
The invention discloses an ice-similar training site comprising a safety protection device. The ice-similar training site comprises a ground, a fence, an awning, the safety protection device, a miniature photovoltaic wind power generation station and multifunctional site maintenance equipment; the ground comprises a mortar concrete layer, a stone layer, a special interface agent layer and a true ice layer; the fence comprises a skeleton, oblique supports, a PE plate and a safety net; the awning comprises an aluminum square-tube combination skeleton, a sleeve, a lighting window, a lighting strip-shaped roof, an inlet flexible door, an outlet flexible door and an LED explosion-proof panel lighting lamp; the safety protection device comprises fixing blocks, combined fixed pulleys, ratchet wheels, steel wire oil ropes, movable pulleys, safety ropes and safety belts; and the miniature photovoltaic wind power generation station comprises a solar photovoltaic panel, a solar water heater, a wind power generator, a supporting skeleton, a power generation unit and a wind energy unit. The ice-similar training site is convenient to dismount and mount, is not affected by the weather environment, and is high in safety factor, capable of moving and high in universality.
Owner:金诺恒健体育发展(天津)有限公司
Method for extracting tryptophan from fermentation broth
ActiveCN111362860AReduce pollutionLess investment in equipmentOrganic chemistryIon exchangeChemistry
The invention discloses a method for extracting tryptophan from fermentation broth. The method comprises the following steps: (1) primary crystallization of fermentation broth; (2) separation to obtain primary crystals; (3) secondary crystallization of fermentation broth; and (4) obtaining a tryptophan finished product. According to the method, primary crystals are separated from tryptophan fermentation broth, then thalli and proteins in the fermentation broth are removed, the obtained clear liquid is subjected to evaporation and concentration after being discolored, then crystallization and separation are performed to obtain secondary crystals; an ion exchange procedure is completely omitted, pollutant emission is little, and the method is environmentally friendly. No organic membrane process is adopted, equipment investment is low, and the cost is low. Under the condition that the cost is reduced and the consumption of water resources and heat energy is reduced, the purity and yieldof the product are greatly improved compared with those of an existing process; and the process is suitable for large-scale industrial production.
Owner:TONGLIAO MEIHUA BIOLOGICAL SCI TECH CO LTD
Efficient and energy-saving heat supply system adopting heat-conducting oil conduction
InactiveCN107166494AReduce volumeFlexible installationHeating fuelLighting and heating apparatusHeat conductingFuel tank
The invention discloses an efficient and energy-saving heat supply system adopting heat-conducting oil conduction, and relates to a heat supply system. The heat supply system comprises a magnetic flap level gauge (1), an outer tank (2) of an oil tank, an inner tank (3) of the oil tank, a heat-conducting oil heating pipe (4), an oil outlet port (5) of the oil tank, an oil outlet pipe (6), a pressure gauge (7), an oil suction pump (8), an anti-explosive oil outlet temperature gauge (9), a Y-type filter (10), a ball valve (11), a pipeline (12) for entering heat utilization equipment, the heat utilization equipment (13), an anti-explosive oil return temperature gauge (14), another ball valve (15), an oil inlet port (16), a partition (17) of the oil tank, a vacuum safety cap (18), an oil drainage positive thread end (19) and an oil injection positive thread end (20), wherein the interior of the oil cavity of the oil tank and the oil suction pump (8) are communicated to the heat utilization equipment (13), and the partition (17) of the oil tank is arranged in the oil tank. According to the heat supply system disclosed by the invention, an oil circulation pump is used for carrying out forced liquid phase circulation, heat energy is conveyed to the heat utilization equipment and then returned for re-heating, and the heat supply system is less in pollution, high in heat utilization rate, safe, and free from pollution discharge, pollution and heat pollution.
Owner:辽宁易通智能装备制造有限公司
Preparation method of bisphenol A bis(diphenyl phosphate)
PendingCN103214513AEasy to operateSimple conditionsGroup 5/15 element organic compoundsChemistryDiphenyl phosphate
The invention relates to a preparation method of bisphenol A bis(diphenyl phosphate). The preparation method comprises the following steps of: (1) mixing phosphorus oxychloride and a catalyst, heating to 80 DEG C, and mixing bisphenol A; (2) heating to 105 DEG C at the speed of 4 DEG C / h, and balancing the temperature for 2h, then evaporating excessive phosphorus oxychloride, controlling the temperature not to be higher than 120 DEG C, and cooling to 73-78 DEG C after evaporation; (3) adding molten phenol, heating to react, balancing the temperature of 95 DEG C for 1.5h, the temperature of 115 DEG C for 1h and the temperature of 135 DEG C for 1, finally uniformly and stably heating to 155 DEG C until no acidic gas appears, and ending the reaction to obtain raw ester; (4) subjecting the raw ester to purification, polarization, alkali neutralization, washing and impurity removal to obtain wet raw ester; and (5) carrying out reduced pressure distillation on the wet raw ester, sampling and analyzing an acid value to be smaller than or equal to 0.15mgKOH / g, and filtering the wet raw ester to obtain the bisphenol A bis(diphenyl phosphate). The preparation method provided by the invention is simple in operation, simple and convenient in condition, short in reaction time, low in energy consumption, little in corrosion and pollution, high in purity of products and high in yield higher than 88%.
Owner:天津市联瑞阻燃材料有限公司
Production process of environment-friendly microwave ceramic copper-clad plate
ActiveCN102658704BLow Dielectric Constant Thermal CoefficientEfficient signal transmissionLamination ancillary operationsLaminationElectricityGlass fiber
Owner:CHENZHOU GONGTIAN ELECTRONICS CERAMICS TECH
Pig raising method capable of providing good growth environment for pigs
The invention discloses a pig raising method capable of providing a good growth environment for pigs, which includes: firstly, setting a padding layer 10-15cm in thickness on the concrete floor in a living area of a pigsty; secondly, wetting the padding by spraying in case of high temperature for cooling, and setting dry padding in winter for heat preservation; thirdly, a fermentation trench as long as the outer side of the living area, 90-110cm in width and 60-70cm in depth is disposed on one side of the outside of the living area; fourthly, manually moving dirty padding into the fermentation trench when a great deal of urine is adsorbed into the padding in the living area; and fifthly, adding EM (effective microorganisms) and little local surface soil into the fermentation trench for natural fermentation. The pig raising method has the advantages of environment friendliness, economy, practicality and simplicity in operation.
Owner:宋德贵
Preparation method of common turnip powder without hot taste
InactiveCN109430756AEffectively removes pungent odorsRemove pungent smellFood freezingFood dryingAlkaline waterCommon turnip
The invention belongs to the technical field of food processing, and particularly relates to a preparation method of common turnip powder without hot taste. The preparation method comprises the following steps of selecting fresh common turnip rhizomes, performing washing, performing trimming, cutting the treated common turnip rhizomes into slices, putting the common turnip rhizome slices into alkaline water, performing heating to a boiling state, performing draining, performing freezing at minus 20 DEG C, performing complete natural unfreezing on the frozen common turnip slices at room temperature, squeezing the unfrozen common turnip slices, collecting common turnip juice obtained through squeezing, drying the squeezed common turnip slices, and performing crushing and screening so as to obtain the common turnip powder. According to the preparation method disclosed by the invention, the hot taste of the common turnips is effectively removed with the alkaline water, favorable mouth feelis given to the common turnip powder, through a freezing technology, the common turnips are processed into powder, the common turnip powder can be widely used for food and beverage industry, raw materials of health-care foods and ingredients in production of medicines, the application prospect is great, the operation is simple and convenient, the preparation method belongs to a new technology easy in large-scale production, the processing technology does not blowdown pollution, the blanching working procedure is not used, and depletion energy resources is saved.
Owner:海北途径农牧开发有限责任公司
Novel full-static airflow emulsification process
InactiveCN113617279ADepth is easy to controlControllable diameterMixing methodsMixer accessoriesOil phaseThermal water
The invention relates to a novel full-static airflow emulsification process which comprises the following steps: firstly, introducing hot water into a heating coil to preheat and preheat a pneumatic pre-emulsion tank, and then pumping an oil phase solution into the pneumatic pre-emulsion tank from an oil phase feeding pipe; then feeding compressed air into the pneumatic pre-emulsion tank, and pumping the water-phase solution into the pneumatic pre-emulsion tank from the water-phase feeding pipe; when the water-phase solution is added, adjusting the opening degree of an electric adjusting valve of compressed air, increasing the air flow for emulsification, continuously dispersing bubbles sprayed out of small holes of the air flow pipe through the four layers of screens and fully distributing in the whole tank body, wherein under the action of the dispersed small bubbles, water-phase tiny liquid drops continuously enter the oil-phase solution to form a water-in-oil coarse emulsion matrix. According to the invention, potential safety hazards caused by a mechanical rotating part are thoroughly eliminated from the source, and the safety of the production process is greatly improved.
Owner:湖南金聚能科技有限公司
Method for producing tetramethylthiuram disulfide (TMTD) by methanol method
InactiveCN103172550ANo sewageReduce energy consumptionOrganic chemistryTetramethylthiuram disulfideDistillation
The invention relates to production of tetramethylthiuram disulfide (TMTD), and particularly relates to a method for producing TMTD by a methanol method. Methanol is used as the solvent without pollution discharge, the solvent of methanol can be recycled, residue can be used as a fuel to be applied to a distillation and drying process, materials are fully utilized, a liquid caustic soda process is not used, the energy consumption, the cost are low, material loss is avoided, and the purity, the melting point and the quality of the product are high; and the guarantee period is long, the purity declines by only 0.2% after TMTD is stored for 2 years at normal temperature, while the purity of TMTD produced by a liquid caustic soda method declines by 2%.
Owner:DONGGANG LONGXIANG CHEM
Large-scale engineering vehicle and manual-push combined type road marking removal device
InactiveCN108086111ACompact layoutIncrease the volume of the water tankRoads maintainenceWater pipeElectric generator
Owner:WELL ROAD MACHINERY CO LTD
Epoxy system for bio-based electric insulation and preparation method of epoxy system
The invention discloses an epoxy system for bio-based electric insulation and a preparation method of the epoxy system. Vegetable oil modified epoxy resin and an anhydride curing agent containing one or more groups of an epoxy group, a hydroxyl group, a carboxyl group and a phenolic hydroxyl group are used respectively to prepare the epoxy system for bio-based electric insulation with low cost, good product stability, wide application range, simple technology, no pollution, no wastewater, excellent mechanical properties, improved glass transition temperature and good crack resistance.
Owner:广州仑利奇合成树脂有限公司
Environment-friendly production method for permanent violet RL
InactiveCN102504567BHigh yieldReduce solubilityChemical recyclingOxazine dyesSulfonyl chlorideSodium acetate
The invention discloses an environment-friendly production method for permanent violet RL, which comprises the following: (1) a step of alkylation which is to prepare liquid caustic soda, add a carbazole raw material, a catalyst and pure benzene in turn, drip bromoethane, stand the solution and separate out N-ethyl carbazole; (2) a step of nitration, which is to add the N-ethyl carbazole and chlorobenzene, drip nitric acid of which the weight percentage concentration is 36.5 to 37.5 percent, and separate out an intermediate 3-nitro-N-ethyl carbazole; (3) a step of reduction, which is to add chlorobenzene, 3-nitro-N-ethyl carbazole and an iron catalyst in turn, drip hydrazine hydrate to obtain a solution of 3-animo-N-ethyl carbazole and ortho-dichlorobenzene; (4) a step of condensation, which is to add ortho-dichlorobenzene into the solution of 3-animo-N-ethyl carbazole and ortho-dichlorobenzene, add tetrachlorobenzoquinone, drip sodium acetate and obtain a permanent violet RL condensation compound; and (5) a step of ring-closing reaction, which is to add benzene sulfonyl chloride, filter the solution, wash a filter cake, dry and obtain coarse permanent violet RL. The method has high conversion rate and is environment-friendly.
Owner:东台市新锦泰化工有限公司
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