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39results about How to "Quick condensation" patented technology

Grease-like sewage treatment method and chemical agent

The invention relates to a grease-like sewage treatment method and a chemical agent and belongs to the technical field of grease-like chemical-industry type sewage treatment. According to the technical scheme, the chemical agent includes 0.2-0.5% of sodium alkyl benzene sulfonate, 0.5-0.7% of zeolite, 10-15.5% of sodium carbonate, 5-7.3% of calcium hydroxide, 4-9.5% of triacylglycerol acylhydrolase, 1-2.5% of cellulose, 1-3% of sodium percarbonate, 23-36.7% of polyaluminum chloride and 18-24.3% of ferrous sulfate. The grease-like sewage treatment method and the chemical agent have the advantages that the existence forms of water-in-oil and oil-in-water are thoroughly broken, a large quantity of SS, chromaticity colors, grease and COD can be quickly removed, efficiency is high, performance is reliable, the requirement for temperature changes is low, hardening and corroding are avoided, and sewage cannot cause secondary pollution in the later period.
Owner:TANGSHAN HENGTONG SCI & TECH

High-efficiency broadspectrum flocculant and preparation method thereof

InactiveCN101381136AOvercome the disadvantages of low temperature turbidity removal performance reductionOvercoming processingWater/sewage treatment by flocculation/precipitationChemical industryIron sulfate
The invention relates to a high-efficiency broad spectrum flocculant, which is mainly prepared by the following compositions in weight percentage: 40 to 50 percent of cationic polyacrylamide, 0.8 to 1.2 percent of OP-10 emulsifier, 8 to 13 percent of polysilicic aluminum iron sulfate, 0.8 to 1.2 percent of sodium hydroxide and 35 to 48 percent of vaal water. The preparation method for the high-efficiency broad spectrum flocculant is as follows: the cationic polyacrylamide, the polysilicic aluminum iron sulfate, the OP-10 emulsifier and the vaal water are added into a reaction kettle of a vacuum dispersion machine and stirred for 15 to 20 minutes; and the sodium hydroxide is added into an emulsifiable solution and continuously stirred for 20 to 30 minutes. The high-efficiency broad spectrum flocculant simultaneously has the advantages of an inorganic flocculant and an organic flocculant and simultaneously overcomes the inherent defects of the inorganic flocculant and the organic flocculant. The high-efficiency broad spectrum flocculant has wide application scope, has good water purifying effect on water quality with various concentrations, nonferrous wastewater and a plurality of kinds of industrial wastewater, and can be widely used for purification treatment of industrial waste water in the printing and dyeing, paper-making, chemical industry and so on.
Owner:湖北中楚化工有限责任公司

Environment-friendly pavement dust suppressant and preparation method thereof

The invention provides an environment-friendly pavement dust suppressant and a protection method thereof. The dust suppressant is prepared from the following raw materials in parts by mass: 4 to 18 parts of sorbitan monolaurate, 5 to 24 parts of sorbitan monostearate, 2 to 6 parts of sodium lactate, 3 to 5 parts of sodium pyrrolidone-carboxylate, 3 to 7 parts of glycerin, and 150 to 160 parts of water. By adopting the environment-friendly pavement dust suppressant, the dust particles which are easy to fly can be quickly conglomerated into large particles to sink, thus the flying of dust on a pavement can be effectively prevented, and the acting efficiency is high; the dust suppressing effect can last for more than 6 days; the dust suppressing rate is up to 95%.
Owner:SUZHOU KANGHUA PURIFYING SYST ENG

Nano biological cycle water treatment agent

The invention relates to a nano biological cycle water treatment agent which comprises the following raw materials in parts by mass: 10-20 parts of sepiolite fibers, 100-150 parts of pure diatom, 10-20 parts of volcanic carbon, 60-100 parts of attapulgite, 6-10 parts of zeolite, 10-20 parts of an enzymatic agent, 0.02-0.07 part of magnesium hydroxide, 0.02-0.07 part of ferric oxide, 30-50 parts of glucose, 50-80 parts of an aerobic bacterium agent, 20-30 parts of an anaerobic bacterium agent, 10-20 parts of a nitrifying bacterium agent, 10-20 parts of a denitrifying bacterium agent, 10-20 parts of a phosphorus-accumulating bacterium agent and 10-20 parts of a hydrolytic acidification bacterium agent. The preparation method comprises the following steps: sufficiently mixing various materials which are weighed according to a mass ratio, and performing packaging, thereby obtaining a finished product. The water treatment agent can be applied to treatment of various types of hardly-degradable industrial wastewater and has excellent effects of degrading and removing multiple pollutants, and the moisture content of sludge can be reduced.
Owner:江苏绿尚环保科技有限公司

Method for separating oligomers from polyphenylene sulfide resin synthesis slurry

The invention discloses a method for separating oligomers from a polyphenylene sulfide resin synthesis slurry. The method comprises the following steps: (1) synthesizing polyphenylene sulfide resin; (2) washing the polyphenylene sulfide resin, separated from the synthesis slurry, with water; (3) filtering obtained washing water, and adding the filtered washing water to the synthesis slurry remaining after the separation in order to form a mixed slurry; and (4) adding a first reagent to the mixed slurry, carrying out standing settlement for 2-8 h, and separating and collecting the oligomers obtained after the settlement, wherein the first reagent is one or more selected from nitric acid, sulfuric acid, hydrochloric acid and phosphoric acid. The method can fully desorb and agglomerate the oligomers in the polyphenylene sulfide synthesis slurry, so the recovery rate and the recovery purity of raw materials, solvents, byproducts and catalysts remaining in the synthesis slurry are greatly improved.
Owner:YIBIN UNIV

Coral micropowder-based waterproof grouting material suitable for offshore island water-enriched stratum

The invention discloses a coral micropowder-based waterproof grouting material suitable for an offshore island water-enriched stratum. The coral micropowder-based waterproof grouting material suitablefor the water-enriched stratum is prepared from, by mass, 30-60% of coral micropowder, 15-25% of common Portland cement, 13-30% of pulverized fuel ash, 2-6% of silicon micropowder, 2-5% of a water-resistance dispersing agent, 0.05-0.1% of a silane impregnant, 1-4% of a corrosion-prevention rust-resistance agent and the balance high-performance water-reducing agents. The coral micropowder-based waterproof grouting material has the advantages of being good in fluidity and water resistance and dispersibility, low in water absorption rate and bleeding rate and good in seepage resistance; the coral micropowder-based waterproof grouting material can resist corrosion and dispersion on the water-enriched stratum when used for grouting construction of the offshore island water-enriched stratum, and can be quickly coagulated, and construction operation is facilitated.
Owner:CHINA ACAD OF BUILDING RES +3

Water treatment defluorination agent and preparation method thereof

The invention discloses a preparation method of a water treatment defluorination agent. The preparation method is characterized by comprising the following steps: step 1, preparing a sodium silicate solution, and adding a diluted hydrochloric acid solution for activation to obtain a solution A; step 2, weighing a first fixed amount of aluminum chloride hexahydrate solid, adding the aluminum chloride hexahydrate solid into the solution A, stirring for 10-30 minutes, continuously weighing a second fixed amount of ferric chloride hexahydrate solid, slowly adding the ferric chloride hexahydrate solid into the solution until the color of the solution becomes dark and turbid, continuously stirring, gradually clarifying the solution, and finally turning into a reddish brown transparent solution, so as to obtain a solution B; step 3, preparing a sodium carboxymethyl cellulose solution, namely a solution C; and step 4, placing the prepared solution B and the solution C in a constant-temperature water bath kettle according to the proportion, fully mixing and reacting in a high-speed stirring and heating state, and after the reaction is finished, obtaining the final defluorination agent solution. The fluorine removal rate of the deep defluorination agent can reach 95% or above, the fluorine removal rate is high, the fluorine removal effect is obvious, and deep fluorine removal of fluorine-containing wastewater can be achieved.
Owner:神美科技有限公司

Medical multifunctional hemostatic dressing and preparation method thereof

The invention relates to the technical field of biomedical materials, and discloses a medical multifunctional hemostatic dressing and a preparation method thereof. The medical multifunctional hemostatic dressing sequentially comprises a functional bottom layer, a hydrophilic layer and a protective layer from the side close to the skin, The functional bottom layer is a non-woven fabric loaded with porous slow-release particles. The hydrophilic layer is porous sponge loaded with amino modified pumice. And the protective layer is a thermoplastic polyurethane film. Compared with the prior art, the dressing provided by the invention not only has relatively strong imbibition and liquid locking capabilities and can activate a blood coagulation system in a short time to quickly stop bleeding, but also provides a slightly moist environment for wound healing and can promote wound healing, and the dressing is not adhered to new granulation tissues, so that secondary pain caused by dressing change is reduced.
Owner:HENAN YADU IND

Production and processing method of rice crusts

The invention discloses a production and processing method of rice crusts. The production and processing method comprises the following steps of (1) pretreating raw materials: cleaning screened Chinese yams, corn, mulberries, coconut meat and cucumbers, performing airing, adding deionized water, placing the aired Chinese yams, the aired corn, the aired mulberries, the aired coconut meat and the aired cucumbers in a pulping machine, and performing crushing and pulping to obtain pulp; (2) performing enzyme treatment: adding liquifying enzymes, saccharifying enzymes and protein enzymes to the pulp, after enzymolysis is completed, performing filtration, and performing low-temperature drying and crushing on filtrate so as to obtain added fine powder; (3) mixing main powder: mixing glutinous rice flour with millet flour, corn flour and Chinese yam flour in a weight ratio; (4) performing rolling and kneading: placing the mixed main powder in a rolling and kneading machine, and performing rolling and kneading so as to obtain rice crust blanks; (5) performing tabletting: performing pressing treatment, performing pressing to obtain thin slices, and then performing cutting; (6) performing cooking: steaming the thin slices, and then performing cooling; (7) performing deep-frying: performing deep-frying treatment; (8) performing blending; and (9) performing packaging into bags. The production and processing method of the rice crusts, provided by the invention, is diversified in mouth feel, high in nutrient value and not liable to break.
Owner:湖北卧龙神厨食品股份有限公司

Novel ecological remediation agent

The invention discloses a novel ecological remediation agent. The novel ecological remediation agent comprises 10-30 wt% of nanometer-sized ferroferric oxide, 50-60 wt% of calcium peroxide, 10-15 wt%of kaolin, 25-50 wt% of diatomaceous earth, 3-5 wt% of citric acid, 5-8 wt% of chitin and derivatives of the chitin and 30-40 wt% of modified starch. The novel ecological remediation agent has the advantages that the shortcomings in the prior art can be overcome by the aid of the novel ecological remediation agent; pollution characteristics of different rivers are combined with one another, components of the novel ecological remediation agent are adjusted, in-situ ecological remediation is carried out on bottom mud by the aid of physical and chemical procedures such as coagulation, adsorption,oxidation-reduction, chelation immobilization and separation and precipitation, and accordingly requirements of current markets can be met.
Owner:SHAOXING QIUS ENVIRONMENTAL PROTECTION TECH DEV

Method for removing Jinfo liquor precipitate by virtue of bentonite and 101 clarifying agent

The invention discloses a method for removing the precipitation of Jinfo wine by using bentonite and 101 clarifying agent. Add the unfiltered Jinfo wine to bentonite, shake it well and let it stand still, then filter it once with coarse filter paper, and then use it as a microporous filter membrane for vacuum filtration, add an appropriate amount of 101 clarifier to the obtained filtrate to fully After mixing evenly, let stand, then filter with coarse filter paper, and filter the filtrate under reduced pressure with a microporous filter membrane. Add the resulting filtrate into a wine bottle, cover it tightly, label it, and let it stand to observe the precipitation. After the method is used to precipitate and filter the Jinfo wine, the obtained medicinal wine is clear and transparent, has a suitable taste and is low in cost, and no obvious precipitation is found after being placed for one year.
Owner:GUANGXI HUIBAOYUAN PHARMA TECH CO LTD

Conical extraction element with double flow channels and flow-through extraction method

The invention discloses a conical extraction element with double flow channels and a flow-through extraction method. The extraction element consists of three parts including an upper-layer conical cover plate, a middle-layer conical baffle plate and a lower-layer conical flow guiding plate having the same central axis, a vertically-arranged round connection pipe and a horizontally-arranged annularsupport plate, wherein an annular gap flow channel is formed between the cover plate and the baffle plate; the bottom part of the flow channel, close to the upper side wall of the round connection pipe, is sealed; a dispersion phase fluid flows through the flow channel and then penetrates through distribution holes formed in the cover plate and then undergoes contact mass transfer with an external continuous phase; an annular gap flow channel is also formed between the baffle plate and the flow guiding plate; flow limiting holes formed in a part where the bottom part of the flow channel is close to lower side walls of the round connection pipe are communicated with the outside of the extraction element; the outer continuous phase fluid penetrates through the flow limiting holes, then flows through the flow channel and enters into the extraction element. The conical extraction element with the double flow channels disclosed by the invention has the advantages of wide operation elasticity, high space utilization ratio, large mass transfer velocity and the like.
Owner:ZHEJIANG UNIV

Device capable of extracting material in biomedical device

InactiveCN112223811AEasy extractionStable complete extraction functionEvaporator accessoriesDistillation separationEngineeringBiomedicine
The invention discloses a device capable of extracting a material in a biomedical device, and relates to the technical field of biomedicine. The device solves the problem that a currently used extraction device does not have complete functions of extruding, crushing, squeezing and quickly conveying plant essence. The device capable of extracting the material in the biomedical device comprises a base and a condensation bin, the base further comprises a vertical frame and an extrusion bin, four vertical frames are integrally arranged on the periphery of the top of the base, lifting plates are slidably arranged on the inner sides of the four vertical frames through guide rails, each lifting plate further comprises a net bin and an air cylinder, the mesh bins are fixedly arranged at the tops of the lifting plates, plant liquid medicine can be extruded and squeezed by arranging a pressing strip, a filtering drawer can match the pressing strip to extrude, squeeze and filter the plant liquidmedicine, the plant essence of plants by squeezing the plants can be continuously and stably extracted and conveyed through a conveying device, a stable and complete plant liquid extraction function is provided for the device, and extraction of the plant liquid medicine is facilitated.
Owner:边会婷

Sewage treatment chemical agent

The invention discloses a sewage treatment chemical agent. The sewage treatment chemical agent is prepared by uniformly mixing the following components in percentage by weight: 24%-27% of calcium oxide, 35%-38% of sulfur trioxide, 4%-7% of silica, 3.03% of aluminum oxide, 20%-24% of sodium carbonate, 3.5%-3.96% of a bridging agent, 0.1%-0.3% of iron oxide, 0.1-0.2% of magnesium oxide, 0.8%-1.57% of sodium oxide and the balance of additives. The sewage treatment chemical agent has the advantages of high sewage treatment efficiency, low application cost, wide application range and no toxicity and corrosion.
Owner:宁波高新区围海工程技术开发有限公司

Device for removing paint mist

The invention relates to the field of waste gas treatment, in particular to a device for removing paint mist. The device comprises a shell, a flow guide mechanism, a water spraying device, an adjusting device, a filtering device, a wastewater pump, a centrifugal pump, a waste gas inlet, a waste gas outlet and a maintenance area, and the waste gas outlet is connected with an exhaust fan. When paintmist waste gas passes through the flow guide mechanism, the paint mist waste gas is mixed with water, which contains a treating agent and is sprayed by the water spraying device. The gas-water mixture forms a high negative pressure vacuum area when passing through the outlet of the flow guide mechanism. Because the gas phase / liquid phase accelerated speeds are different; a part of paint mist particles fall into water; the other part of the paint mist enters a second chamber through the a through hole in a partition plate; the waste gas passes through the filtering device and moves to the waste gas outlet, the water spraying device sprays water containing a treating agent downwards, and thus the paint mist waste gas is rapidly condensed when passing through the filtering device and collected in a storage box. The device is simple in structure, convenient to maintain and operate, and safe and reliable, the problem that a conventional filtering device is easy to block is solved, and theefficiency is improved.
Owner:绍兴市鼎泰节能环保科技有限公司

Aluminum-titanium-boron-strontium-rare earth alloy wire rod and preparation method

The invention provides an aluminum-titanium-boron-strontium-rare earth alloy wire rod and a preparation method. The aluminum-titanium-boron-strontium-rare earth alloy wire rod is prepared from, by weight, 90-110 parts of metallic aluminum, 20-30 parts of potassium fluotitanate, 10-15 parts of potassium fluoborate, 3-8 parts of lanthanum-cerium mixed rare earth and 3-8 parts of metallic strontium.The alloy wire can replace alloys needing to be refined and modified respectively, homogenization and extrusion treatment are used in the preparation process, product crystal grains are finer and moreuniform in distribution through multiple actions of heat treatment and external force, and the alloy wire rod is more efficient than a traditional product.
Owner:永城金联星铝合金有限公司

Preparation method of positive plate used for indigo waste water processing

InactiveCN109879375AEasy to handleEnhance color absorption capacityWater/sewage treatmentChemical treatmentLiquid state
The invention belongs to the technical field of electrochemistry processing, and especially relates to a preparation method of a positive plate used for indigo waste water processing. According to thepreparation method, materials are added at a certain sequence, so that lead component relatively high in proportion is molten into liquid state firstly, then aluminium, calcium, and strontium are added for melting successively, stirring is carried out, uniform mixing is realized, positive plate raw material mixing difficulty is reduced, positive plate manufacturing cost is reduced, excellent positive plate comprehensive performance is ensured, and quality is improved.
Owner:贵州省过程工业技术研究中心

De-emulsifiers for oil and gas gathering and transferring and production device thereof

The invention discloses de-emulsifiers for oil and gas gathering and transferring and a production device thereof, and relates to a de-emulsifier. In a processing workshop, a glass house provided withan independent ventilation system is arranged; and the production process is controlled by a computer system server and a control switch. Through a hydraulic jack (15), raw materials in a raw material barrel A (9) and a raw material barrel B (10) can be maximally utilized. Due to an opening locker, the damage to the health of a worker who holds a suction pipe (13) is avoided. The provided I typede-emulsifier and II type de-emulsifier have the advantages of quick demulsifying speed, high dehydration rate, and little using amount, can maximally reduce the interfacial tension of water-oil emulsion, and separate water and oil. The glass house is used to barrier harmful gas. A controllable plate trailer and the opening locker are used to replace manual operation. An intelligent control systemformed by the computer system server is used to monitor raw materials.
Owner:盘锦辽河油田辽海集团有限公司

A green synthesis device for 4-chloroacetoacetates

The invention discloses a green synthesis device for 4-chloroacetoacetate, which comprises a sealed heat-insulating shell, a conductive cylinder is arranged inside the heat-insulating shell, and the upper and lower ends of the conductive cylinder are connected with the inner cavity of the heat-insulating shell. The upper and lower sides are sealed and fixedly connected. An electrostatic generator is installed outside the insulation shell. The output end of the electrostatic generator is connected to the side of the conductive cylinder through a cable, and the cable runs through the insulation shell. The upper part of the inner cavity of the conductive cylinder is equipped with an electrostatic Sprayer, a precooler is installed on the outside of the conductive cylinder; this green synthesis device of 4-chloroacetoacetates electrostatically atomizes the diketene solution to increase the contact area between the diketene solution droplets and chlorine gas, and double The downward movement distance of the diketene solution droplet determines the reaction time of the diketene solution droplet and chlorine gas, the reaction time of diketene solution and chlorine gas is easy to control, reduces the generation of by-products, and avoids the loss of raw materials.
Owner:山东昌邑灶户盐化有限公司

Rapid melting experiment device for satellite load metal material

The invention relates to a rapid melting experiment device for a satellite load metal material, and belongs to the field of interdiscipline of space manufacturing and material science. The device comprises a high-energy beam melting system, an experimental sample system, an in-situ observation system and a cavity system, and is suitable for space manufacturing represented by additive manufacturingand material science basic problem research under the space environment condition and the space resource constraint condition of an 'in-orbit scientific experiment' represented by satellite load. Theexperimental device disclosed by the invention has the characteristics of multiple experimental material types, small size, in-situ observation and the like; various metal wires with different markscan be carried in a limited volume as experiment raw materials; as a satellite load during spatial operation, the device can observe the basic physical phenomenon that a metal material is rapidly fused under the action of a high-energy beam in space additive manufacturing due to environmental characteristics such as microgravity and high vacuum, and provides an effective hardware supporting platform for clarifying basic science problems in the basic process of material performance and forming manufacturing effect in space manufacturing.
Owner:CHONGQING INST OF GREEN & INTELLIGENT TECH CHINESE ACADEMY OF SCI

Prevention and control medicament based on sewage treatment

The invention belongs to the technical field of sewage treatment, and particularly discloses a prevention and control agent based on sewage treatment. The water treatment agent is prepared from the following raw materials in parts by weight: 6-9 parts of bentonite, 3-5 parts of sodium chloride, 3-4 parts of alum, 1.6-2.5 parts of aluminum sulfate, 5-6 parts of calcium oxide, 6-9 parts of magnesium oxide, 1.2-1.8 parts of ferric oxide, 0.6-0.9 part of magnesium oxide, 0.2-0.5 part of sodium oxide, 3-9 parts of silicon dioxide, 5-7 parts of sodium silicate, 4-6 parts of sodium polyacrylate, 9-12 parts of alum, 5-15 parts of additives, 12-18 parts of lithopone, and the remainder being water. By adding the additive, the additive is prepared by mixing menthone, starch, butane, zeolite minerals, activated carbon and diatomite, and impurity particles in sewage are adhered into clusters through the starch and float on the water surface by utilizing the characteristic that the starch is insoluble in water; the zeolite minerals, the activated carbon and the diatomite are combined; so that a good purification effect on the water quality is achieved; the purification treatment effect of the sewage is improved, so that after the prevention and control agent is added into the sewage, suspended solids are flocculated immediately, and precipitation is rapid.
Owner:山东颖慧园环保科技有限公司

Bamboo fiber medical quick hemostatic gauze

InactiveCN110433318APromote blood cell aggregationPromotes platelet adhesionNon-adhesive dressingsPharmaceutical delivery mechanismTissue damageHEMOSTATIC POWDER
The invention relates to the technical field of hemostatic gauze, in particular to bamboo fiber medical quick hemostatic gauze. Preparation of the bamboo fiber medical quick hemostatic gauze comprisesthe four steps of bamboo fiber explosion processing, quick hemostatic powder preparation, bamboo fiber soaking processing and gauze preparation. According to the bamboo fiber medical quick hemostaticgauze, compared with existing hemostatic gauze, the hygroscopicity, the gas permeability and the antibacterial property are greatly improved, quick healing of wounds is advantageously achieved; and furthermore, the hemostatic time is shortened to below 95s from 160-170s, the hemostatic effect of medical gauze is greatly improved, tissue damage can be avoided in the hemostatic process, the side effects are avoided, a very important significance is achieved for saving lives of wounded personnel and stabilizing traumatic condition.
Owner:吴礼高

Energy-saving powerful ceramic tile stone system repairing adhesive

The invention discloses an energy-saving powerful ceramic tile stone system repair adhesive which comprises the steps: 1, preparing a main material: preparing raw materials, carrying out impurity removal treatment on the raw materials, adding a certain amount of water to a centrifuge, and slowly adding 0.25 part of Attagel 40 to the centrifuge. The invention relates to the technical field of adhesives; the energy-saving powerful ceramic tile stone system repair adhesive has good bonding performance and can directly act on the base surface of the fallen brick, cement mortar or ceramic tile glueon an existing base surface does not need to be removed, cement mortar or ceramic tile glue does not need to be smeared again; the adhesive directly acts on the existing basal plane and can be directly paved and has excellent water resistance and weather resistance, has the same service life as the brick, and avoids large-area damage to other bricks or base surfaces around the falling brick whencement mortar or ceramic tile glue in the falling brick area is removed, thereby increasing the repair cost and repair difficulty, reducing the construction area, lowering the construction difficulty,shortening the construction period and lowering the repair cost.
Owner:武汉德邦仕建材有限公司

Flocculant and preparation method thereof

InactiveCN101381136BOvercome the disadvantages of low temperature turbidity removal performance reductionImprove water purification effectWater/sewage treatment by flocculation/precipitationIron sulfateChemical industry
The invention relates to a flocculant, which is mainly prepared by the following compositions in weight percentage: 40 to 50 percent of cationic polyacrylamide, 0.8 to 1.2 percent of OP-10 emulsifier, 8 to 13 percent of polysilicic aluminum iron sulfate, 0.8 to 1.2 percent of sodium hydroxide and 35 to 48 percent of vaal water. The preparation method for the high-efficiency broad spectrum flocculant is as follows: the cationic polyacrylamide, the polysilicic aluminum iron sulfate, the OP-10 emulsifier and the vaal water are added into a reaction kettle of a vacuum dispersion machine and stirred for 15 to 20 minutes; and the sodium hydroxide is added into an emulsifiable solution and continuously stirred for 20 to 30 minutes. The high-efficiency broad spectrum flocculant simultaneously has the advantages of an inorganic flocculant and an organic flocculant and simultaneously overcomes the inherent defects of the inorganic flocculant and the organic flocculant. The high-efficiency broad spectrum flocculant has wide application scope, has good water purifying effect on water quality with various concentrations, nonferrous wastewater and a plurality of kinds of industrial wastewater, and can be widely used for purification treatment of industrial waste water in the printing and dyeing, paper-making, chemical industry and so on.
Owner:湖北中楚化工有限责任公司

Green synthesis device of 4-chloroacetoacetate

The invention discloses a green synthesis device of 4-chloroacetoacetate. The synthesis device comprises a sealed thermal insulation shell; an electro-conductive barrel is arranged in the thermal insulation shell; the upper end and lower end of the electro-conductive barrel are hermetically and fixedly connected with the upper side and lower side of the inner cavity of the thermal insulation shellrespectively; an electrostatic generator is arranged outside the thermal insulation shell, the output end of the electrostatic generator is connected with the side face of the electro-conductive barrel through a cable, the cable penetrates through the thermal insulation shell, an electrostatic sprayer is arranged in the upper portion of the inner cavity of the electro-conductive barrel, and a pre-cooler is installed outside the electro-conductive barrel. The green synthesis device atomizes a diketene solution through static electricity, the contact area between liquid drops of the diketene solution and chlorine is increased, the time of reactions between the liquid drops of the diketene solution and chlorine is determined by the downward moving distance of the liquid drops of the diketenesolution, the time of reactions between the diketene solution and chlorine is convenient to control, byproducts are reduced, and raw material loss is avoided.
Owner:山东昌邑灶户盐化有限公司

Sludge stirring device for environmental governance

ActiveCN113559780ARealization of layered precipitationAvoiding the problem of not being able to achieve regionalized precipitationRotary stirring mixersMixer accessoriesFlocculationSludge
The invention relates to the technical field of sludge flocculation, and discloses a sludge stirring device for environmental governance, the sludge stirring device comprises a stirring pool, a lifting assembly is mounted on the inner wall of the stirring pool, the lifting assembly is used for driving a mounting assembly to lift along the central axis direction of the stirring pool, and a stirring assembly, a spraying assembly and a water pumping assembly are mounted on the mounting assembly. The lifting assembly drives the mounting assembly to lift at a fixed distance, so that the stirring assembly, the spraying assembly and the water pumping assembly perform layered precipitation on particulate matters in sewage in the stirring pool, and the sewage in which the particulate matters are flocculated and precipitated is discharged, so that layered precipitation is realized; and the problem that the flocculating constituent still floats in the whole container under the action of integral rotational flow and cannot realize fixed-area regionalized precipitation is avoided.
Owner:南京工大环境科技南通有限公司

A kind of magnetic nano-microsphere of glucose detection reagent and preparation method thereof

The invention discloses a glucose detection reagent magnetic nano-microsphere and a preparation method thereof. The formula includes: 26-42 parts of gelatin, 18-34 parts of quaternized chitosan, 2-6 parts of lecithin, seaweed 16-28 parts of sodium bicarbonate, 0.6-1.2 parts of magnetic nanoparticles, 80-160 parts of absolute ethanol, 20-30 parts of glucose oxidase, 10-20 parts of dehydrogenase, 10-20 parts of o-benzidine, surface 9-15 parts of active agent, 60-120 parts of Tris buffer; the preparation method wraps each reagent individually with a microsphere polymer shell substrate, so that the reagent can maintain the stability of the reagent even under harsh transportation conditions , and enzyme activity, prolong the storage time of detection reagents, and improve detection accuracy.
Owner:南京迪安医学检验所有限公司

Method for rapidly coagulating and curing soft foundation of dredger fill

The invention discloses a method for rapidly coagulating and curing a soft foundation of dredger fill. The method comprises the following steps: step 1, analyzing basic properties of the dredger fill;step 2, carrying out a dredger fill unit body test according to a result of the step 1, and determining an optimal ratio of components including a flocculating agent, gypsum, quicklime, sodium carbonate, an FDN water reducing agent, water glass, triethanolamine and the like in a curing agent formula, so as to rapidly flocculate and effectively cure the dredger fill; step 3, determining the optimal ratio according to an experiment result of the step 2, and mixing the dredger fill and a curing agent by utilizing an accurate material mixing system; step 4, carrying out foundation reinforcement on the dredger fill by utilizing a mixture in the step 3; and step 5, detecting and checking the soft foundation of the dredger fill. The invention provides the method for rapidly coagulating and curing the soft foundation of the dredger fill; and aiming at current situations and disadvantages of foundation treatment, rapid coagulation and curing of suspended particles are realized.
Owner:JINHUA VOCATIONAL TECH COLLEGE
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