Reuse of reclaimed water treatment combination equipment

The utility model relates to a reuse of reclaimed water treatment combination equipment belongs to the reuse of reclaimed water processing technique field. Through implementing, can realize that the operation is handled in the combination of normal water management membrane device, safety filter ware, reverse osmosis membrane device. Implementing the back, producing water quality of water and reach " industry reuse water water quality standard ", the direct retrieval and utilization of ability in production process water is produced water efficiency and is reached more than 65%, and it need to satisfy production. The utility model discloses having the innovation to optimize the design, more having the advance than traditional reuse of reclaimed water equipment, a series of problems that can avoid the disconnected silk of milipore filter to cause have prolonged reverse osmosis membrane's life, have saved cost of maintenance, and it is little to have an area, and the construction investment ...

Oxidized starch-based compound detergent auxiliary and preparation method thereof

The invention relates to the field of starch modification, and in particular to an oxidized starch-based compound detergent auxiliary and a preparation method thereof. The oxidized starch-based compound detergent auxiliary comprises the following components in weight proportion: 100g of starch, 5-15g of oxidant and 10-30g of dispersant. The preparation method comprises the following steps: weighing the starch, the oxidant and the dispersant according to the weight proportion of the components of the oxidized starch-based compound detergent auxiliary, uniformly mixing and placing in a ball mill, enabling the starch to synchronously oxidize and compound with the oxidant and the dispersant when the stirring speed in the ball mill is 100-250rpm and the temperature is 30-80 DEG.C, reacting for 20-90 minutes, and then drying to obtain the oxidized starch-based compound detergent auxiliary. The carboxyl content of the product is 0.8-2.5%, and is improved by 20-30% in comparison with the prior ...

Horizontal type stirring ball-milling reactor for intensifying bentonite modification

The invention discloses a horizontal type stirring ball-milling reactor for intensifying bentonite modification, and provides a ball mill which is uniform in material blending, has no stirring dead angle and controllable ball-milling temperature, can add materials at any time, and is high in ball-milling efficiency and used for intensifying bentonite modification. According to the invention, the main body structurally comprises a bracket, a stirring shaft mounted on the bracket, a stirring device mounted on the stirring shaft and composed of plough disc stirring blades and S-shaped stirring blades, and a ball-milling cylinder; the S-shaped stirring blades are mounted on the adjacent two groups of plough disc stirring blades; the stirring shaft is connected with a motor through a belt; the ball-milling cylinder comprises two layers of an outer cylinder and an inner cylinder; a cooling liquid flow leading channel is formed between the outer cylinder and the inner cylinder; the outer cylinder ...

Integrated equipment of high concentration printing and dyeing destarch waste water treatment retrieval and utilization

The utility model discloses an integrated equipment of high concentration printing and dyeing destarch waste water treatment retrieval and utilization mainly comprises waste water equalizing basin, a elevator pump, anaerobism pond, activated sludge, a heavy pond, catch basin, B elevator pump, the oxygen pond of holding concurrently, contact oxidation tank, two heavy ponds, eventually heavy pond, oxidation pond, biological filter, roots's fan. Through the optimal design, innovation combination overall arrangement has promoted the whole rationality of handling the retrieval and utilization engineering, has device simple structure, easily makes the installation, debugging convenient operation, and the running cost hangs down, and area is little, and advantages such as construction investment province can be applicable to printing and dyeing industry high concentration printing and dyeing wastewater's processing and retrieval and utilization engineering, can satisfy production process water's ...

Tubular membrane tubular brace body ultrasonic bonding special stand

The utility model provides a pair of tubular membrane tubular brace body ultrasonic bonding special stand, it includes that connecting rod, plug, bracket loop, adjusting screw take cap, fixed plate, locating pin, base, winding wheel, universal coupling, screw. Can overcome the membrane tubular brace body and adopt ultrasonic bonding not enough, solve the gathering and welded the contact surface and melt rapidly, result in difficult problems such as the deformation of the membrane tubular brace body, sealing off, fracture, improve the product percent of pass, reduce manufacturing cost, it is simple to have a device manufacturing, and maneuverability is strong, and the investment economizes, and characteristics such as efficient are favorable to the application on tubular membrane tubular brace body ultrasonic welder, more are applicable to the welding preparation of the regeneration tubular membrane tubular brace body.

Sulfonated perfluorocyclobutyl polyarylether polymers as well as preparation method and application thereof

The invention discloses sulfonated perfluorocyclobutyl polyarylether polymers as well as a preparation method and application thereof, belonging to the technical field of fuel cells. The preparation method of sulfonated perfluorocyclobutyl polyarylether polymers comprises the following steps: preparing a trifluorovinyl aryl ether monomer containing methoxy by taking different methoxy aromatic dihydric phenols and 1,2-dibromotetrafluoroethane as raw materials; obtaining perfluorocyclobutyl polyarylether polymer containing methoxy by utilizing (2phi+2phi) thermal cyclization polymerization; reacting the perfluorocyclobutyl polyarylether polymer with boron tribromide so as to remove a protecting group methyl to prepare perfluorocyclobutyl polyarylether polymers with different hydroxyl contents; introducing an sulfonation lateral group by adopting a grafting method to obtain the sulfonated perfluorocyclobutyl polyarylether polymers which are used for preparing a proton exchange membrane. A ...

Rolling film machine of regeneration reverse osmosis membrane core

The utility model relates to a rolling film machine of regeneration reverse osmosis membrane core belongs to professional equipment technical field. It mainly comprises frame, motor area governor, drive mechanism, bearing frame, automatically controlled panel, gas accuse panel, frequency conversion panel, cylinder components, telescopic shaft, transmission shaft etc. This kind of rolling film machine mainly relies on motor area governor to be connected with drive mechanism, insert the recess of reverse osmosis membrane core terminal surface respectively with the crown of roll of telescopic shaft and transmission shaft in, promote at cylinder components under the effect of telescopic shaft, with reverse osmosis membrane core self -holding, under the drive of transmission shaft, realize the synchronous revolution with the reverse osmosis membrane core simultaneously, screw up the sticky tape that twines on the reverse osmosis membrane core. After restoreing the retrieval and utilization process ...

River purification device

The utility model discloses a river purification device belongs to purifying water process equipment field. Adopt the optimum organization of monomer devices such as elevator pump, bag filter, force pump, regeneration tubular membrane, clean water basin, realized purifying water process purpose up to standard in river after the implementation. Especially will discard the membrane pipe and through restoreing to regeneration tubular membrane, through the combination with bag filter, use in the purification treatment of river and achieve success, and make the quality of water after purifying reach the industrial water requirement. The river purification device who provides has simple structure, makes simple to operate, and the investment economizes, with low costs, characteristics such as the power consumption is little, effectual, is favorable to the purification treatment of river and waste water to use, and the popularization prospect is very big.

Safe real -time detection device in car

The utility model provides a safe real -time detection device in car, sets up power module, detection module, data processing module, big dipper chip module, power module, behind the switch on, outputvoltage VCC provides the power for safe real -time detection device in car, power module and detection module, data processing module, big dipper chip module are connected, and detection module and data processing module are connected, and data processing module and big dipper chip module are connected, detection module is provided with temperature detection module and alcohol detection module, data processing module is provided with singlechip unit, singlechip reset unit, shows alarm means, human infrared pyroelectric sensor, press unit, power module and singlechip reset unit, singlechip unit connection, the singlechip unit with singlechip reset unit, human infrared pyroelectric sensor, demonstration alarm means, press unit connect, and the singlechip unit is connected with big dipper chip ...

Preparation method of all-fiber degradable composite material

The invention discloses a preparation method of an all-fiber degradable composite material, which comprises the following steps: 1) raw material pretreatment: drying fiber solid waste, and pulverizing to obtain fiber solid waste powder; 2) high-speed mixing: uniformly mixing the fiber solid waste powder, an esterifying agent and a catalyst in a mixing machine to obtain a reactant mixture; 3) mechanical activation solid-phase reaction: adding the reactant mixture into a mechanical activation reactor to carry out solid-phase reaction, thereby obtaining an esterification modified fiber; 4) high-speed mixing: carrying out high-speed mixing on the esterification modified fiber and long fiber reinforcer to obtain a mixture; and 5) putting the mixture into a mold, and carrying out hot pressing on a flat vulcanizing machine under the conditions of certain temperature and pressure to prepare the all-fiber composite material. The solid-phase reaction is adopted to overcome the defect in the solvent ...

Slag-based Fe2O3/MnO2 composite light-Fenton catalyst as well as preparation method and application thereof

The invention discloses a slag-based Fe2O3/MnO2 composite light-Fenton catalyst as well as a preparation method and application thereof, and belongs to the technical field of wastewater treatment. According to the preparation method, manganese slag is subjected to oxidizing roasting to prepare slag-based Fe2O3, Na < + >-doped low-conduction-band amorphous MnO2 grows in situ through a dipping adsorption and persulfate oxidation method, and the direct Z-type composite light-Fenton catalyst with oxidation and reduction performance is constructed. The preparation method of the catalyst comprises the following steps: (1) crushing manganese slag, and oxidizing and roasting the crushed manganese slag to obtain slag-based Fe2O3; (2) adding the slag-based Fe2O3 into a manganese sulfate solution for impregnation and adsorption, and filtering to obtain filter residues I; (3) adding the filter residue I into a NaCl aqueous solution, adding a persulfate solution, and stirring to obtain a suspension; ...

Coiler of regeneration reverse osmosis membrane core shell

The utility model relates to a coiler of regeneration reverse osmosis membrane core shell, it comprises frame, a motor area speed reducer, B motor area speed reducer, a drive mechanism, B drive mechanism, B bearing frame, a bearing frame, transmission shaft, dual sliding rail, drive screw, raw material tank, telescopic shaft, cylinder components, frequency conversion panel, gas accuse panel, automatically controlled panel, runner, slide rail cover, screw rod cover etc.. This kind of rolling film machine mainly with A motor area speed reducer through becoming the speed adjusting festival, make reverse osmosis membrane shell and transmission shaft realization synchronous revolution, insert the recess of reverse osmosis membrane core shell terminal surface respectively with the crown of roll of telescopic shaft and transmission shaft in, at cylinder components promotion telescopic shaft with reverse osmosis membrane core self -holding, simultaneously with B motor area speed reducer through ...

Desiccator of regeneration reverse osmosis membrane core shell

The utility model provides a desiccator of regeneration reverse osmosis membrane core shell mainly comprises frame, variable speed dynamo, bearing frame, drive sprocket, driven sprocket, chain, shrink axle, fixed axle, axle sleeve, spring etc.. This kind of professional equipment, at a quick -witted shelf location variable speed dynamo drive drive sprocket, through a plurality of driven sprocket of chain drive, drive the synchronous revolution of reverse osmosis membrane core shell, realized the natural coagulation of the adhesives such as epoxy of regeneration reverse osmosis membrane core shell, the surfacing that reaches reverse osmosis membrane core shell is smooth, the thickness is even, also can be suitable for the production of new reverse osmosis membrane core shell. This professional equipment has a simple structure, and it is easy to make, convenient operation, and the investment economizes, and the energy consumption is low, and practicality characteristics such as good have ...

Method for producing seedling breeding container from fibrous solid wastes

The invention discloses a method for producing a seedling breeding container from fibrous solid wastes. The method sequentially includes the steps of (1), smashing raw materials, namely, drying the fibrous solid waste raw materials in the sun, smashing the raw materials and then mixing the smashed raw materials with reinforcements to obtain mixed materials; (2), subjecting the mixed materials to mechanical activating pretreatment to obtain modified fibers; (3), mixing pulp, namely, conveying the modified fibers into a pulp mixing pond, adding waterproof agents with stirring evenly and adding water to dilute to obtain pulp in a solid-to-liquid ratio of 1:(2-6); (4), performing suction filtering molding, namely, conveying the pulp into a mould cavity for suction filtering and dewatering pressing to obtain a wet blank product, wherein filtered water is delivered back to the pulp mixing pond for recycling; (5), performing hot-pressing shaping, namely, transferring the wet blank product into ...

Method for preparing high-substitution and high-viscosity sodium carboxymethyl cellulose from bagasse

Method for preparing high-substitution and high-viscosity sodium carboxymethyl cellulose from bagasse

The invention discloses a method for preparing high-substitution and high-viscosity sodium carboxymethyl cellulose from bagasse. The method comprises the following steps of: pretreating bagasse fibers through ball milling; refining activated bagasse fibers; and etherifying the refined bagasse fibers. Since the bagasse fibers are pretreated by the ball milling in the invention, a lignin protectionlayer is damaged and a crystal structure of cellulose is changed, an amorphous region of bagasse cellulose is increased, reaction activity of the bagasse cellulose is improved, high viscosity is realized by adding a crosslinking agent, the substitution of the prepared sodium carboxymethyl cellulose reaches over 1.5 and the viscosity reaches over 1,585mPa.S through a series of subsequent process method and optimization of control parameters, and the method has the advantages of low production cost, simple process and environmental friendliness.

Paint composition for amphibious ship and dock

The invention discloses a paint composition for an amphibious ship and a dock. The paint composition is composed of 50 percent of A component and 50 percent of B component according to mass percent, wherein the A component is polyaspartic acid ester, and the B component is composed of aliphatic isocyanate, titanium dioxide, aluminum dihydrogen tripolyphosphate, austenitic stainless steel powder, talcum powder, titanate, carborundum powder, liquid aromatic diamine, diethyltoluenediamine and ethylene carbonate. The paint composition has the advantages that (1) the curing time can be adjusted, and the reaction speed of the polyaspartic acid ester and HDI tripolymer can be obtained by adopting polyaspartic acid esters with different substituent groups; (2) the tensile strength and the glossiness are high, and the abrasion resistance, the permeability, the washing resistance and the microbial corrosion resistance are good; (3) the adhesive force is excellent, the reaction speed is low, the reaction ...

Antiseptic and anti-slip coating with sun protection and low heat energy absorption

The invention discloses an antiseptic and anti-slip coating with sun protection and low heat energy absorption, which is formed by epoxy resin E-42/E-20, 100mum rutile type titanium dioxide, 275-mesh talcum powder, 275-mesh kaolin, 275-mesh aluminium oxide, 275-mesh zinc phosphate, 275-mesh silicon carbide, dimethylbenzene, methyldiethanolamine and alcoholysis castor oil prepolymer. According to the anti-slip coating provided by the invention, the surface temperature of a deck and a superstructure is reduced by 4.5-11 DEG C, and an air conditioning system has no need to be improved or the operation load of an air conditioner cannot be increased, so that not only is the energy saved, but also the aim of reducing the temperature of a cabin is achieved; the antiseptic and anti-slip coating with sun protection and low heat energy absorption also has dampproof, antiseptic and anti-slip performances.

Mechanical activation and enhancement method for preparing cellulose acetate-butyrate or cellulose acetate-propionate

The invention relates to the field of cellulose processing, and in particularly relates to a mechanical activation and enhancement method for preparing cellulose acetate-butyrate or cellulose acetate-propionate. The method comprises the following steps: weighing reactants including cellulose, butyric acid, acetic anhydride and a catalyst in a ratio of 10g:(30-100g):(10-30g):(0.1-0.5g), putting all the reactants into a ball mill, controlling the ratio of the reactants to pellets at 100g:(100-300ml), controlling the temperature of a circulating water bath at 50-80 DEG C, stirring at a low speed to perform an acylation reaction for 1-4 hours to obtain a crude product, separating the crude product and the pellets, standing the crude product in 50% ethanol water to separate out a solid, separating the separated solid, and washing the separated solid with deionized water until the solid is neutral, thereby obtaining a cellulose acetate-butyrate or cellulose acetate-propionate product. Compared ...

Method for thermal plasticizing modification of cassava dregs through mechanical activation and enhancement

The invention relates to the field of modification of biodegradable polymer materials, and in particularly relates to a method for thermal plasticizing modification of cassava dregs through mechanical activation and enhancement. The method comprises the following steps: weighing reactants including cassava dregs, a plasticizer and an auxiliary agent in a ratio of 100g:(10-25g):(5-15g), mixing the reactants at a high speed, then putting all the reactants into a ball mill, controlling the ratio of the reactants to pellets (stack volume) at 100g:(300-600ml), controlling the temperature of a circulating water bath at 50-90 DEG C, stirring at a low speed to perform a mechanical activation solid-phase reaction for 40-80 minutes, and separating the reactants and the pellets to obtain a modified cassava dreg thermoplastic material. The modification method disclosed by the invention is easy in operation, high in efficiency and low in cost; for a composite material obtained by performing conventional ...

Improve processing apparatus of activated sludge concentration

The utility model relates to an improve processing apparatus of activated sludge concentration, adopt hydrolysis -acidification pool, a heavy pond, good oxygen pond, two optimum organizations of sinking pond and other auxiliary device, a processing system who improves activated sludge concentration has been formed, can realize that device manufacturing installation is simple, convenient for debugging an, and strong operability, activated sludge concentration is high, favorable treating effect, and it is little to have an area, energy consumption is small, low cost, etc, implement the back, the activated sludge concentration that makes hydrolytic acidification and good oxygen process can reach 40%-80%, the not enough of current biochemical treatment device has been overcome, to the environmental protection, aspects such as energy saving and emission reduction play positive effect, the application promotion space is extensive.

Preparation method of double-esterified compound type starch

The invention relates to the field of starch processing, and particularly relates to double-esterified compound type starch prepared by a microwave-mechanical activation solid-phase method. The method comprises the steps of firstly uniformly mixing starch, an esterifying agent 1, an esterifying agent 2 and a catalyst according to certain proportion; performing 500-750W microwave treatment for 2-15 minutes; then putting the reaction material into a ball mill with pellets, and supplementing a certain amount of esterifying agent and catalyst; stirring at a low speed at 30-80 DEG C for an esterification reaction for 20-90 minutes to obtain a crude product; washing the coarse product with hot ethanol, and drying under a ventilation condition to obtain a product of double-esterified compound type starch. The method is simple in process and easy to operate, and prevents emission of 'three wastes' in the production process. The utilization rate of the starch exceeds 95%, the substitution degree ...

Perfluoro-cyclobutyl polyarylether polymer containing 1H-1,2,3-triazole group, as well as preparation method and application thereof

The invention discloses a perfluoro-cyclobutyl polyarylether polymer containing 1H-1,2,3-triazole group, as well as a preparation method and application thereof, and belongs to the technical field of polymer synthetic chemistry and proton conducting polymers. The method comprises the following steps: synthesizing di(2-bromotetrafluoroethoxy) aromatic monohydric phenol from raw materials, namely methoxyl aromatic dihydric phenol and 1,2-dibromotetrafluoroethane; preparing a side chain precursor containing 1,2,3-triazole; synthesizing a novel trifluorovinyl aryl ether monomer from the di(2-bromotetrafluoroethoxy) aromatic monohydric phenol and the side chain precursor containing 1,2,3-triazole; synthesizing the perfluoro-cyclobutyl polyarylether containing 1,2,3-triazole group with different molecular weights by means of thermal cyclopolymerization; and deprotecting to obtain the perfluoro-cyclobutyl polyarylether polymer containing 1H-1,2,3-triazole group. The perfluoro-cyclobutyl polyarylether ...

Mechanical activation reactor capable of enhancing polysaccharide high polymer modification

The invention discloses a mechanical activation reactor capable of enhancing polysaccharide high polymer modification. An outer barrel is in a horizontal structure and a grinding inner barrel is arranged in the outer barrel; a speed reducer I is connected with a stirring shaft by a shaft coupler; the stirring shaft penetrates through a through hole in an end cover of the outer barrel and is inserted into the grinding inner barrel; the stirring shaft is fixed at the two ends of the outer barrel by bearing seats at the two ends; a jacket is arranged outside the grinding inner barrel; a material inlet/outlet is formed in the outer barrel and is communicated with the grinding inner barrel; the grinding inner barrel is internally provided with grinding balls; the stirring shaft is provided with paddles and a material scraping screw belt; the paddles are mounted on the stirring shaft in a staggered manner; and the material scraping screw belt is mounted on the stirring shaft. The mechanical activation ...

Method for efficiently preparing biological oil by liquefying with water-hydrogen donor mixed solvent

The invention discloses a method for efficiently preparing biological oil by liquefying with a water-hydrogen donor mixed solvent. The method comprises the following steps: simultaneously adding sundried, crushed, sieved and dried bagasse and a tetrahydronaphthalene mixed solvent into a reaction kettle, stirring at 200-320 DEG C and liquefying for 0.5-1.5 hours under the anaerobic condition; cooling the reaction kettle body and releasing pressure of the reaction kettle body after the reaction is ended, opening the kettle, pouring solid and liquid products out of the reaction kettle, and carrying out low-pressure suction filtration to separate the liquid product from residue; successively washing the reaction kettle and the filtration residue by dichloromethane and acetone for a plurality of times, and successively carrying out reduced pressure distillation on dichloromethane washing liquid and acetone washing liquid at 30 DEG C and 70 DEG C to evaporate solvent and water in the product ...

Vehicle body controller, automobile remote key, automobile anti-theft device and control method thereof

The invention discloses a vehicle body controller, which comprises a low frequency antenna, a radio frequency RF module, a high frequency antenna and high frequency demodulation used for receiving a door opening signal with a roll code, a driving module used for controlling a power supply of the whole vehicle, and a microprocessing controller used as a processing center. The invention also discloses an automobile remote key matched with the vehicle body controller. The automobile remote key integrates a high frequency emitter and a low frequency transponder. The invention also discloses an automobile anti-theft device employing the vehicle body controller. The automobile anti-theft device comprises an engine controller which is connected with the vehicle body controller through a controller area network (CAN) transceiver. Finally, the invention discloses a control method for the automobile anti-theft device. By adopting the technical scheme, the automobile anti-theft coefficient is improved ...

Method for preparing starch fatty acid ester through mechanical activation-microwave solid phase method

The invention relates to the technical field of modified starch and particularly discloses a method for preparing the starch fatty acid ester through a mechanical activation-microwave solid phase method. The method comprises the following steps: uniformly mixing the starch and the fatty acid according to a certain proportion, adding into a ball mill to mechanically activate, dipping a catalyst to synchronously perform a first esterification reaction to obtain the primary starch ester, taking out and adjusting the water content, performing microwave heating to perform a secondary esterification reaction to obtain the starch ester with a high substituted degree, rinsing by ethyl alcohol and baking to obtain the starch fatty acid ester. By adopting the preparation method, the starch and the fatty acid are subjected to two esterification reactions, and the product starch ester is high in substituted degree and excellent in performance. The method is simple in process, mild in reaction condition ...

Novel perfluorocyclobutyl-containing macroinitiator for atom transfer radical polymerization (ATRP) and preparation method and application of novel perfluorocyclobutyl-containing macroinitiator

The invention discloses a novel perfluorocyclobutyl-containing macroinitiator for atom transfer radical polymerization (ATRP) and a preparation method and application of the novel perfluorocyclobutyl-containing macroinitiator. The preparation method comprises the following main steps: (1) taking methoxydiphenol and 1, 2-dibromotetrafluoroethane as raw materials, and synthesizing novel trifluorovinyl aryl ether; (2) synthesizing polymers, namely PFCB-OMe with different molecular weights by utilizing (2 phi + 2 phi) thermal cyclization polymerization of novel trifluorovinyl aryl ether; (3) exploring deprotection reaction conditions to obtain polymers, namely PFCB-OH with different degrees of deprotection, and simultaneously preparing a macroinitiator PFCB-BA; and (4) preparing a grafted copolymer, namely PFCB-P tBMA by utilizing ATRP reaction between commercial tert-butyl methacrylate and PFCB-BA.

Wood-plastic composite prepared by use of short fiber and preparation method thereof

The invention relates to a wood-plastic composite prepared by use of short fiber and a preparation method thereof. The wood-plastic composite comprises short fiber, long fiber, plastic, coupling agent and auxiliaries, wherein the auxiliaries include a lubricant, a heat stabilizer and an antioxidant. In the invention, the wood-plastic composite is prepared by taking short fiber waste and long fiber as reinforcing materials and thermoplastic plastic polymer as a matrix; and the preparation method comprises the following steps: performing pretreatment of raw materials, adding long fiber and mixing at a high speed, performing mechanical activation coupling and solid phase modification, adding plastic and mixing at a high speed, plastifying and performing hot-press forming to obtain the wood-plastic composite. The wood-plastic composite provided by the invention has the advantages of low cost, good mechanical properties, lower density than common wood-plastic composite, simple production process ...

Electroplating effluent's combination equipment is handled with periosteum

The utility model provides an electroplating effluent's combination equipment is handled with periosteum, belongs to waste water treatment equipment technical field. The utility model discloses constitute by elevator pump, periosteum subassembly, air source, electrical system. Inlet tube, air hose, outlet pipe and dense water pipe can be connected respectively by two or many parallelly connected permutation and combination to the periosteum on the membrane pipe. The utility model discloses a, device combination optimizes, and simple structure easily makes, and simple to operate handles stabilization of water quality, has the investment of manufacturing and economizes, and area is little, and the running cost is low, and maneuverability is strong, treatment effect advantage such as good, and to playing positive effect in aspects such as environmental protection, energy saving and emission reduction, the application promotion space is extensive.

Supergravity reactor for intensifying modification of polysaccharide high polymer

The invention discloses a supergravity reactor for intensifying the modification of a polysaccharide high polymer. An outer cylinder body is in a horizontal type structure, the outer cylinder body is internally provided with a reaction inner cylinder, a speed reducer I is connected with a stirring shaft through a coupler, the stirring shaft penetrates through a through hole positioned on an end cover of the outer cylinder body to be inserted into the reaction inner cylinder, and the stirring shaft is fixed on two ends of the outer cylinder body through bearing seats positioned on two ends of the stirring shaft; the outer side of the reaction inner cylinder is provided with a jacket, a main inlet and outlet is arranged on the outer cylinder body, the main inlet and outlet is communicated with the reaction inner cylinder, the stirring shaft is provided with an inner spiral band and an outer spiral band, and the inner spiral band and the outer spiral band are reversely arranged along an axial ...

Method for producing high-flowability pregelatinized starch

The invention provides high-flowability pregelatinized starch and a method for preparing the same by mechanical activation, which belong to the technical field of starch modification processing. The method comprises the following steps: uniformly mixing starch and a certain amount of flow aid in a high-speed mixer uniformly, pre-drying the starch by using heat generated in a high-speed mixing process, and controlling the water content in the starch to be lower than 15 percent; and placing the uniformly mixed materials in a ball mill containing a milling medium, well regulating the temperature for constant-temperature dissolution in water, performing mechanical activation for a certain time period, taking the starch out, and sieving the starch with a 80 to 100-mesh sieve. The method has the advantages of simple process and equipment, small investment, environmentally-friendly process, low production cost, easy product quality control and the like. The prepared product has the characteristics ...

Long-service-life high-corrosion-resistance antiskid hard particle paint composition for flight decks

The invention discloses a long-service-life high-corrosion-resistance antiskid hard particle paint composition for flight decks, which is composed of E-44/E-35, an epoxy resin, toluene, 170-mesh alumina powder, 170-mesh zirconium oxide powder, 150-mesh silicon carbide powder, 150-mesh ferritic stainless steel powder, butanol, dimethyl silicone oil, hydrogenated castor oil and polyamide wax. The composition has favorable elasticity and toughness, still has the characteristics of excellent salt fog resistance, seawater corrosion resistance, skid prevention, static conduction and lightning protection under moist and waterlogged conditions, has favorable adhesive force and sealability, is convenient for cleaning, and has favorable trampling comfort.

Method for degrading cellulose by synergic action of mechanical activation and metal salt

The invention discloses a method for degrading cellulose by synergic action of mechanical activation and a metal salt, belonging to the field of biomass energy and fiber chemicals. The method comprises the following steps: (1) crushing cellulose which serves as a raw material, and screening with a screen of 10-200mesh; (2) mixing the crushed and screened cellulose with a metal salt at a weight ratio of 1:(0.001-0.1) uniformly; and (3) adding the materials mixed uniformly into a mechanical activation reactor, adjusting the mechanical activation temperature to 30-90 DEG C, activating the materials mechanically for 10-180 minutes, and taking the obtained cellulose degradation product out of the mechanical activation reactor. Because the cellulose is degraded by synergic action of mechanical activation and the metal salt, the degree of polymerization of the cellulose can be reduced greatly in a mild condition, the accessibility and the reaction activity of the cellulose degradation product ...

Supply equipment of good oxygen pond dissolved oxygen

The utility model relates to a supply equipment of good oxygen pond dissolved oxygen, it is mainly by circulating pump, air -blower, blending tank combination. Establish the water intake valve connected inlet tube through the circulating pump water inlet, the circulating pump delivery port is established the outlet valve and is connected the inlet tube, drum fan air outlet establishes the governing valve and is connected with the air hose, the middle part sets up the filler in the blending tank, the outer top of jar is established the water inlet and is advanced water piping connection, the outer upper portion of jar is established the air inlet and is connected with the air hose, the outer lower part of jar is established the delivery port and is connected the outlet pipe, the manometer is established at the outer top of jar, can realize supplying in can biochemical waste water treatment the mesh of dissolved oxygen after the implementation, it is little to have area, short construction ...

Method for preparing PVC conductive composite material through mechanical milling method

The invention relates to the field of conductive composite material processes and particularly discloses a method for preparing a PVC conductive composite material through a mechanical milling method. The method comprises the following steps: putting the graphite in the absolute ethyl alcohol containing a coupling agent, stirring under a constant temperature till the graphite is dispersed in the ethyl alcohol, performing extraction filtration, baking the graphite to obtain the modified graphite, putting the modified graphite and the PVC at a ratio of (15-20%): (80-85%) into a circulating water type high-energy ball mill, performing mechanical milling for 0.5-2.5 hours to obtain the mixed materials, filling the mixed materials in a mould of a press vulcanizer, performing high temperature heat pressing and demoulding to obtain the PVC conductive composite material. By adopting the preparation method, the interface difference between the graphite and the PVC is eliminated so that the graphite ...

Interface for multi-protocol encoder

The invention relates to the field of interfaces, and discloses an interface for a multi-protocol encoder, which comprises a control system, an encoder data register group, a decoder group, a multiplexer switch, a data transmission A channel and an RS485 interface circuit A which are connected in sequence, the data transmission B channel and the RS485 interface circuit B are connected in sequence, and the data transmission B channel is connected with the multiplexer switch; the system also comprises a transmit-receive controller, the transmit-receive controller is respectively connected with the RS485 interface circuit A and the RS485 interface circuit B after being connected with the multiplexer switch, and the transmit-receive controller is also respectively connected with the data transmission A channel and the data transmission B channel. According to the invention, a double RS485 interface circuit is arranged to adapt to encoders with different protocols, such as an incremental encoder ...

Electroplating effluent retrieval and utilization treatment combination device

The utility model relates to an electroplating effluent retrieval and utilization treatment combination device, adopt elevator pump no. 1, the oxidation pond, the mixer, charge device, the reaction tank, the sedimentation tank, elevator pump no. 2, bag filter, provided is a high pressure pum, the optimum organization of monomer devices such as RO reverse osmosis membrane pipe and clean water basin, a new electroplating effluent retrieval and utilization processing system has been builded, the device that adopts, there have been new improvement and innovation on the basis in the former, device simple structure has, easy installation, and strong operability, the investment economizes, the energy dissipation is little, the land used is few, low cost, etc, can satisfy the needs that the electroplating effluent retrieval and utilization was handled, can realize the zero release of processing system waste water, it is very big to popularize and apply the space.