742results about How to "Meet the requirements of energy saving and environmental protection" patented technology

This invention discloses a piezoelectric generation method by using road surface vibration energy, which lays piezoelectric devices inside the road or uses them as the as the road components directly and utilizes the vibration energy to generate electric energy provided to road lamps or other road installations or energy storage devices and electric nets. The system includes: a piezoelectric device a power transforming energy generated by the piezoelectric devices to be stored in an energy storage devices, road lamps or an energy storage device, said piezoelectric device is connected with the transforming device, which is connected with lamps and energy storage device.

The invention discloses an automatic pallet delivering device for a palletizing system, which comprises a pallet stock, a lifting mechanism, a bolt locating mechanism and a control part, wherein, the lifting mechanism comprises 1 to 4 double-stroke cylinders arranged at the bottom of the pallet stock and a lifting guide mechanism; the bolt locating mechanism comprises a horizontal bolt and a driving cylinder arranged on the symmetrical lateral surfaces of the pallet stock; and the double-stroke cylinder can be a single cylinder with two strokes or a combined cylinder formed by connecting two one-stroke cylinders in series. The automatic pallet delivering device which is suitable for automatically delivering the pallets in the palletizing system of production lines, warehouses and docks has the advantages of simple structure, convenient maintenance, low noise, no pollution and low energy consumption; and compared with the existing hydraulic and electric pallet delivering devices, the automatic pallet delivering device is obviously improved.

The invention discloses sodium borosilicate glass doped with In2S3 quantum dots and a preparation method thereof. According to the sodium borosilicate glass doped with the In2S3 quantum dots, the In2S3 quantum dots are uniformly doped into sodium-borosilicate-based glass, and the sodium-borosilicate-based glass contains the following ingredients in percentage by mass: 5-15% of Na2O, 15-30% of B2O3 and 55-80% of SiO2; and the doped amount of the In2S3 quantum dots is 0.1-5.0% of the mass of the sodium-borosilicate-based glass. The sodium borosilicate glass doped with the In2S3 quantum dots is prepared in a manner that a sol-gel method is combined with atmosphere control, has excellent third-order nonlinear optical performance and heat stability, and has high light transmittance in visible-infrared regions, thereby being an important candidate material which is expected to produce high-speed full-light logic devices.

The invention relates to a polyfunctional castor oil-based photo-cured resin as well as a preparation method and application thereof. The preparation method comprises the following steps: with isocyanate and hydroxyl acrylate as raw materials, adding a polymerization inhibitor and a catalyst, introducing nitrogen for protection, and reacting for a certain period of time, so as to obtain an intermediate isocyanate semi-blocked prepolymer; adding castor oil into the prepared isocyanate semi-blocked prepolymer, so as to obtain castor oil-based urethane acrylate resin; and mixing the castor oil-based urethane acrylate resin with a photoinitiator and a diluent, and carrying out ultraviolet light radiation, so as to obtain UV castor oil-based resin with excellent performance. The photo-cured resin synthesized by virtue of the preparation method has relatively high molecular weight and viscosity, so that the interaction among resin molecules is enhanced, and the photo-crosslinking reaction efficiency of the resin is improved; the photo-cured resin contains more terminal double bonds, can be rapidly photo-cured and is suitable for being used as UV cured coatings, 3D printing materials and the like; and the prepared photo-cured resin has the beneficial effects that the water absorption rate and volume shrinkage rate of a cured film are substantially increased, meanwhile, the cost is low, the process is simple and controllable, and a product is relatively environment-friendly.

The invention relates to an environmental friendly lithographic printing plate base and a preparation process thereof and belongs to the technical field of printing platemaking. The environmentally-friendly lithographic printing plate base comprises a metal or nonmetal plate base and is characterized in that an adhesion layer and a hydrophilic layer are sequentially adhered to the plate base, the adhesion layer is formed by solidifying an adhesion layer coating liquid, and the hydrophilic layer is formed by solidifying a hydrophilic layer coating liquid. The hydrophilic layer is connected with a base body material through the adhesion layer so as to be firmly integrated to form the lithographic printing plate base, thus the fastness of the plate base is improved. The environmentally-friendly lithographic printing plate base is machined and then can be printed on a printing machine. According to the preparation process disclosed by the invention, the condition that the traditional plate base preparation needs electrolysis coursing and anodic oxidation treatment processes is improved, thus environment pollution caused by the consumption of a large amount of electric energy and the exhaust of a large amount of waste acid is avoided, and the requirements on energy conservation and environment conservation are realized.

The invention discloses a load-sensitive electro-hydraulic proportional multi-way valve and belongs to the technical field of multi-way valves. The load-sensitive electro-hydraulic proportional multi-way valve comprises a first tandem and a second tandem. The first tandem is composed of a safety valve (1), a first pilot electro-hydraulic proportional relief valve (2), a second pilot electro-hydraulic proportional relief valve (5), a first load-sensitive pressure compensation valve (3), a first hydraulic reversing master valve (4) and an overload makeup valve (14). The second tandem is composed of a third pilot electro-hydraulic proportional relief valve (6), a fourth pilot electro-hydraulic proportional relief valve (9), a second hydraulic reversing master valve (11), a floating valve (12) and an LS (load-sensitive) shuttle valve (13). The load-sensitive electro-hydraulic proportional multi-way valve is capable of simultaneously receiving single or multiple control command signals to respectively control output oil circuits of the multi-way valve and is easy for remote control and complex compound action of multiple actuators, energy resources are saved, and environment pollution is reduced.

The invention discloses a medium temperature sintering type electro-conduction slurry with lead-free glass powder and a preparation method of the medium temperature sintering type electrocondution slurry. The preparation method is characterized by comprising the steps of preparing an organic carrier, preparing the lead-free glass powder, preparing silver powder and preparing the electro-conduction slurry. The electro-conduction slurry comprises, by mass, 0 to 80% of micron-scale spherical silver powder, 5% to 70% of micron-scale flake silver powder, 2% to 25% of the lead-free glass powder and 0 to 25% of the organic carrier. The lead-free glass powder comprises, by mass, 25% to 75% of Bi2O3, 20% to 60% of B2O3, 0 to 20% of ZnO, 0 to 20% of Sb2O3, 0 to 10% of Al2O3 and 0 to 8% of alkali metal oxide. The organic carrier comprises, by mass, 50% to 80% of terpilenol, 10% to 40% ofbutyl carbitol acetic ester, 0 to 10% of tributyl citrate, 3% to 10% of ethocel, 0 to 2% of hydrogenated castor oil and 0 to 3% of addition agent.

The invention discloses a continuous recovery device and a continuous recovery process of vanadium, molybdenum and titanium in an SCR (selective catalytic reduction) waste catalyst, wherein a crusher is connected with a secondary magnetic separation device, the secondary magnetic separation device is connected with a tunnel kiln, the tunnel kiln is connected with a smasher, the smasher is connected with an alkaline leaching kettle, the alkaline leaching kettle is connected with a suction filtration groove, the suction filtration groove is connected with a vacuum evaporation tank, the vacuum evaporation tank is connected with a vanadium sedimentation reaction tank, and the vanadium sedimentation reaction tank is connected with a molybdenum sedimentation suction filtration groove; the alkaline leaching kettle is clamped outside the reaction kettle, a top overflow opening is positioned in the upper side of the jacket, a charging opening and a filling opening are positioned in the upper part of the reaction kettle, and the filling opening is guided to the middle part of the reaction kettle by virtue of a guide pipe. According to the continuous device disclosed by the invention, the production efficiency is effectively improved, thereby facilitating subsequent automatic and continuous production. A flat plate type flue gas denitrification catalyst is continuously recovered, infiltrating water is recycled, and the water yield is greatly saved.

The invention relates to an ultra-micro powder plant slice and a preparation method thereof. The preparation method comprises the steps that ultra-micro plant powder, outer margin fibers, an adhesiveand other additives are homogenized to form adhesive colloidal fluid, the adhesive colloidal fluid is extruded to form a slice shape, and drying formation is conducted. The plant slice is suitable fora heat-not-burn flavor-producing section, the plant slice is large in smoke formation amount, rich in fragrance and high in physiological satisfiability, the smoke flavor is close to natural plant fragrance, the product density and the filling value are close to those of natural plant leaves, the machining performance is high, and the amount of water required during production is small; no wastewater is generated, the raw material utilization rate is high, the plant slice meets the requirements for energy conservation and environment protection, the production technology is simple, and the preparation method is suitable for industrial production.

The invention relates to an urban sewage treatment technology for standard surface quasi IV-class water. A system is included and comprises a water inlet pump room, a grit basin, a primary sedimentation tank, an improved MBBR biochemical pool, a secondary sedimentation tank, an efficient sedimentation tank, a filter tank and a disinfecting tank; the water inlet pump room is provided with a coarsescreen, the grit basin is provided with a fine screen, the biochemical pool comprises an anaerobic pool, an anoxia pool and an aerobic pool, the primary sedimentation tank is arranged above the anoxiapool, the drainage end of the aerobic pool is connected to the secondary sedimentation tank, and the aerobic pool is provided with a nitration solution flow back pipe communicated with the anoxia pool; the efficient sedimentation tank comprises a concrete region, a magnetic powder mixing region, a flocculation region and a sedimentation region; the filter tank is provided with a fiber filter material for filtering purified sewage and a back flushing device for cleaning the fiber filter material; the disinfecting tank is provided with a disinfecting device. The system combines the secondary biochemical technology and the depth treatment technology, the units are elaborately and reasonably designed and combined, and the water outlet water quality in a sewage treatment plant and outflow water in the aspect of black and odorous river way sewage interception and source control can reach the surface quasi IV-class water standard.

The invention relates to a load-sensitive electric proportional multi-loop valve. The load-sensitive electric proportional multi-loop valve aims to enable all loops to work with different loads, save energy and reduce environmental pollution. According to the technical scheme, the load-sensitive electric proportional multi-loop valve comprises a main oil path, a raising loop, an inclined joint, an attachment joint, a logical direction valve, a two-way solenoid valve, a proportional electric overflow valve and a two-way hydraulic control reversing valve, the main oil path is communicated with two gear pumps P1, P2, the raising loop is connected to the main oil path through an electronic proportional pressure compensation flow control valve, the inclined joint and the attachment joint are connected to the main oil path through an electronic proportional pressure compensation flow control valve, the logical direction valve is connected to the main oil path, the two-way solenoid valve and the proportional electric overflow valve are connected to an oil inlet of the logical direction valve, and the two-way hydraulic control reversing valve is used for controlling whether the gear pump P2 supplies oil to the main oil path or not. The load-sensitive electric proportional multi-loop valve is applied to the technical field of hydraulic system control valves of 5-10t forklifts.

The invention discloses a heat-radiating, recovering and cooling system for a mine. The system comprises an enclosed cooling tower, a thermal energy recovering device, a thermal energy recovering device water circulating pump, a pressure exchanger, a pressure exchanger water circulating pump, a refrigerating and cooling device, a fan and an underground cooling unit water circulating pump, whereinall components adopt modular designs. The system integrates the advantages of centralized refrigeration and distributed refrigeration, so that a good underground cooling effect can be achieved. Meanwhile, a thermal energy recovery technology is adopted, so that all thermal energy produced by a refrigerator is recovered and utilized, the recovered thermal energy can be used for supplying hot waterfor bathing to the ground as well as heat in office areas in winter, and a boiler can be fully eliminated. A water treatment system of the system can be used for producing purified water or softened water by using waste water drained by a sewage treatment plant, and the produced water can be recycled by the system, so that the requirements for energy conservation and environmental protection are met.

The invention discloses a multi-pore high-strength sintering permeable floor brick. The multi-pore high-strength sintering permeable floor brick is prepared from, by weight, 40-43 parts of sewage plant sludge, 6-7 parts of rice hulls, 4-5 parts of potassium feldspar powder, 10-12 parts of fly ash, 10-12 parts of water glass, 29-31 parts of basalt rubble, 5-6 parts of sawdust, 9-11 parts of mesoporous silica, 0.8-1 part of a silane coupling agent kh560, 3-4 parts of polyvinyl alcohol fibers, 7-9 parts of blast furnace slag and 2-3 parts of chemical waste gypsum powder. According to the multi-pore high-strength sintering permeable floor brick, the mesoporous silica, the sawdust and the polyvinyl alcohol fibers are added in preparation of the brick, and a composite through hole structure can be formed through sintering molding after technological modification; in addition, multiple pores distributed densely are obtained by reasonably regulating the particle size of mixed aggregates; meanwhile, the product is high in compressive strength, firm, durable and high in permeable coefficient.

The invention relates to the field of crossing of building formwork design and construction, in particular to a design and construction method of side face formworks of thick and large concrete structures. The design and construction method of the side face formworks of the thick and large concrete structures comprises the following steps of first, determining a calculation model of a formwork system; second, determining the axial tension of split bolts; third, determining materials of stress components of the formwork system; fourth, checking calculation of the bearing capacity of the formwork; fifth, checking calculation of secondary square beam bearing capacity; sixth, checking calculation of main square beam bearing capacity; seventh, checking calculation of split bolt bearing capacity; eighth, rechecking calculation of tensile strength of structural steel bars; ninth, manufacturing formworks; tenth, manufacturing a main square beam; eleventh, making bolts and cushion plates of thebolts; twelfth, bolt connection; thirteenth, fixing the formworks in place; and fourteenth, pouring concrete. According to the design and construction method of the side face formworks of the thick and large concrete structures, not only is the amount of split bolts used in the formworks reduced greatly, but also the key technical problems that the construction difficulty is large and the construction period is long are solved, and the prestressed force of a structural steel bar is established by using concrete lateral pressure to counteract the partial shrinkage stress of mass concrete, andthus the purpose of restraining cracking of a mass concrete structure is realized.

The invention discloses a fuel vehicle and new energy vehicle collaborative distribution scheduling method, and the method comprises the steps: building a basic mathematical model of a greedy algorithm in an electric vehicle mode, and setting constraint conditions of the basic mathematical model; based on the basic mathematical model, establishing a greedy algorithm model of the fuel vehicle and the new energy vehicle in a mixed mode; establishing an access insertion model of the charging station by utilizing a labeling algorithm, and setting constraint conditions; performing route evaluationon the basic mathematical model and the greedy algorithm model according to the access insertion model to obtain an optimized route solution; on the basis of a heuristic path search model of a geneticoptimization algorithm, searching a path solution in combination with a large-scale neighborhood search algorithm, and guiding an algorithm to be accurately converged to an optimal solution. The cooperative distribution route of the fuel vehicle and the new energy vehicle can be reasonably arranged, the access frequency of the charging station is reduced, and therefore pollution of carbon emission to the environment is reduced.

The invention relates to a charging station electric car charging system and particularly relates to an electric car battery charger time division multiplexing charging system and charging method. The system comprises a charging unit, a charging bus, a charging bus switch, a plurality of charging branch distribution boxes, branch buses, a terminal bus and a charging control unit. The charging unit configures the terminal bus to the charging branch distribution boxes by the charging bus switch through the charging bus. The plurality of the charging branch distribution boxes and the terminal bus are in equipotential connection, that is, the positions of the plurality of the charging branch distribution boxes are equal to perform multiplexing on the charging bus in a time-division and alternate mode to achieve remote multiplexing on the charging bus. By means of the method and the system, a large number of cables are saved, the battery charger utilization efficiency is improved, and the electric car charging cost is reduced.

The invention discloses an energy-saving sintering water-permeable brick adding with coal residues. The energy-saving sintering water-permeable brick adding with the coal residues is prepared from, by weight, 40-43 parts of sludge of sewage treatment plants, 6-7 parts of rice husks, 4-5 parts of potash feldspar powder, 10-12 parts of fly ash, 10-12 parts of water glass, 3-4 parts of calcium fluoride, 5-6 parts of glycerin, 18-20 parts of shale, 14-16 parts of coal residues, 2.5-3.5 parts of coke powder, 1.5-2 parts of paraffin, 9-11 parts of alumina-chrome slags and 5-6 parts of calcium carbonate. According to the energy-saving sintering water-permeable brick adding with the coal residues, treated coal residue and shale mixed coarse aggregate is added, the plasticity index of a brick body can be increased, a green brick is made to be denser, and the strength and durability of the green brick are improved. According to the water-permeable brick prepared through sintering, the combustible feature of the coal residues can be utilized, coal resources are saved, and the brick is friendly to the environment; meanwhile, the energy-saving sintering water-permeable brick adding with the coal residues is good in durability, high in permeation coefficient and capable of saving energy and protecting the environment.

The invention discloses a construction method of a through floor pipe. The construction method of the through floor pipe mainly includes the following steps: template face lofting, floor face steel bar binding, floor face concrete pouring, floor face lofting, mechanical pore opening, hole checking, pipe installation, pipe template installation, waterstop installation, pouring concrete in a seam between the pipe and a floor board, maintenance and the like. The construction method of the through floor pipe is simple in technology, an operation method is easy to implement, construction speed is fast, anti-leakage quality is good, repair rate is low and economic benefits are obvious. The construction method of the through floor pipe is suitable for anti-leakage construction of a rigid polyvinyl chloride (UPVC) pipe with the diameter more than 50 mm in an indoor through floor board part.

The invention discloses a noodle machine with rapid machining. The noodle machine comprises a base, a stirring cup connected with the base, and an upper cover covering on the stirring cup, wherein the stirring cup is provided with a stirring component and an extruding component; the stirring component comprises a stirring rod; and the extruding component comprises a screw rod and a feeding barrel in match with the screw rod. The noodle machine is characterized by further comprising a rapid flour feeding structure, wherein the rapid flour feeding structure comprises a flour feeding port arranged in the feeding barrel, and a baffle arranged at the flour feeding port and used for baffling materials so as to enable the materials to enter the flour feeding port. By arranging the baffle and the baffle above the dough feeding port, dough can be effectively baffled and cut, so that the dough can rapidly enter the feeding barrel from the dough feeding port so as to be machined and shaped; and the baffle is arranged on the downstream position of the flour feeding port, so that the dough baffled by the baffle can enter the feeding barrel from the feeding port uniformly. The stirring rod is provided with only stirring teeth and dough cutting teeth so as to realize stirring and dough pushing, so that the structure is simple, and noodles are easy to be machined and shaped.

The invention discloses a fast curing anti-flaming prepreg resin with controllable viscosity and a preparation method thereof. The fast curing anti-flaming prepreg resin with controllable viscosity ismainly used for solving the technical problems of uncontrollable resin viscosity, implosion and difficulty in uniform dispersion of curing agent and accelerant during the blending process of prepregresin, low fiber wettability and white dots on the product surface. According to the invention, epoxy groups are controllably pre-polymerized in the manner of quantitatively adding amido functional groups into a liquid epoxy resin, molecular weight is increased and viscosity is increased after some epoxy groups are polymerized, so that the purpose of controlling resin viscosity can be achieved. The prepreg resin prepared according to the invention has the advantages of excellent fiber wettability, proper viscidity, excellent paving property, high toughness, excellent flame retardant property,and the like, and can be widely applied to the fields of rail traffic, unmanned aerial vehicles, aerospace, and the like.

The invention discloses novel environment-friendly waterborne inorganic paint and a preparation method thereof. The novel environment-friendly waterborne inorganic paint is prepared from, by weight, 55-65 parts of kaolin, 12-20 parts of sodium silicate, 20-30 parts of titanium dioxide, 1-5 parts of nano zinc oxide, 5-10 parts of ultrafine wollastonite powder, 1-10 parts of nano calcium carbonate, 1-5 parts of ultrafine white mica powder, 7-15 parts of polyvinyl alcohol, 1-4 parts of ultrafine molybdenum disulfide powder, 2-10 parts of nano silicon dioxide, 2-12 parts of nano magnesium oxide, 2-12 parts of nano aluminum oxide, 1-3 parts of magnesium chloride, 1-3 parts of a sodium silicate hardening accelerator, 2-5 parts of a pH value regulating agent, 1-8 parts of a waterproof agent, 6-10 parts of an antifoaming leveling agent, 1-3 parts of a thickening anti-settling agent and 280-310 parts of water. The novel environment-friendly waterborne inorganic paint which is environment-friendly waterborne inorganic paint for buildings is high in storage stability, excellent in water resistance and alkali resistance, strong in adhesion, high in fire resistance, high in strength and hardness, resistant to scratching and contamination, excellent in corrosion resistance and antibacterial property, free of formaldehyde, benzene compounds, VOC (volatile organic compounds) and heavy metal elements, completely environmental friendly and nontoxic, suitable for industrial production, easy for painting and convenient and quick in construction.

The invention discloses a manufacturing method for water faucet bodies, which comprises: step1, stainless steel pipes and / or stainless steel sheets are used respectively for processing and forming pin components and effluent components of the faucet body; step2, the processed and formed pin components and the effluent components are welded one by one in sequence to form the complete water faucet body in an assembly way; step3, the polishing and the electroplating treatment are carried out on the welded water faucet body. The invention avoids problems of bad quality, low material utilization, energy consumption, environment pollution, and the like produced by the traditional casting and hot forging, simplifies the manufacturing technique, and leads the processing and manufacturing processes to be controllable, thus improving the production efficiency and the yield significantly. As no expensive expenditure on forming dies is needed, the manufacturing method for the water faucet bodies saves the materials and reduces the production cost obviously; meanwhile, the method produces less negative influence to the surrounding environment, meets the requirements of energy-saving and environmental protection, and is very suitable for the wide substitution and application within the industry.

The invention discloses nano-fluid minimal quantity lubrication grinding equipment coupled with an electrocaloric internal cooling grinding wheel and an electrostatic technology and a use method thereof. Nanometer-level or micrometer-level powder prepared from materials capable of generating the electrocaloric effect is added into a grinding wheel binding agent to form the electrocaloric grinding wheel, and in combination with electrostatic atomization, magnetically enhanced electrostatic neutralizing cleaning and electrostatic deposition, the grinding equipment coupled with grinding wheel internal cooling and the electrostatic technology is obtained. The temperature of a grinding area is obviously lowered, and the grinding surface of the grinding wheel is cleaned, so that the blockage of the grinding wheel is avoided. The amount of oil mist in the surroundings is obviously reduced in the grinding process. The nano-fluid minimal quantity lubrication grinding equipment obviously improves machining efficiency and meets the environmental protection requirement. The nano-fluid minimal quantity lubrication grinding equipment can effectively lower the temperature of the grinding area, improve the machining efficiency and quality, reduce oil mist pollution to the environment and reduce injuries to the health of the human body, thereby meeting the machining requirements and the requirements for energy saving and environment protection.

The invention provides a cardanol-based acrylate reactive diluent and a preparation method and application thereof. The preparation method comprises the following steps: esterification reaction: taking cardanol and acryloyl chloride as raw materials, mixing the cardanol and the acryloyl chloride in molar ratio of 1:(0.6-1.3), adding effective amounts of catalyst, acid binding agent, polymerization inhibitor and organic solvent, dropwise adding acryloyl chloride in an ice water bath, increasing the temperature to 20-110DEG C for reaction for 4-15 hours after dropwise addition, and after precipitate is filtered, removing the solvent from the filtrate by a vacuum rotary evaporator to obtain a crude product; and post treatment: extracting the crude product with an organic solvent, cleaning the crude product with a saturated sodium bicarbonate water solution and ultrapure water sequentially, reserving the organic layer after conducting standing and layering, drying the organic layer with anhydrous sodium sulfate, and removing the solvent by evaporating to obtain the final product. The diluent provided by the invention has high biomass content, low volatility, lower toxicity, small film coating shrinkage and partial biodegradability.

The invention discloses a rainwater collection device, and relates to the field of rainwater collection. The rainwater collection device includes a roof collection device, a rainwater sewage interception hanging basket, a rainwater discharging device, a rainwater filtering device, and a water storage pool which are successively connected through a pipe; the rainwater sewage interception hanging basket, the rainwater discharging device, the rainwater filtering device, and the water storage pool are arranged underground; the roof collection device includes a roof having a high center and a low surrounding portion, and a plurality of hollow vertical columns fixedly connected to the roof; the surrounding portion of the roof extends upward out of an eave, and a groove for holding rainwater is formed between the eave and the roof; leakage openings communicating with hollow portions of the vertical columns are formed in the bottom of the groove; the hollow portions of the vertical columns communicate with a rainwater sewage interception hanging basket through a first pipe; an overflow pipe and a flow meter which communicate with the first pipe are arranged between the vertical columns andthe rainwater interception hanging basket; the overflow pipe communicates with a municipal pipe; and a drainage valve is arranged on the overflow pipe. The rainwater collection device can collect rainwater on a rainy day.

The invention relates to an oil shale tailings beneficiation process and belongs to the oil shale industrial field. The oil shale tailings beneficiation process is especially suitable for the oil shale tailings processing utilization industry. The process includes the following steps that: water is added in oil shale raw ores, and the oil shale raw ores are subjected to 10-to-13mm screening, and plus-sieve products which are larger than 10 to 13 mm are crushed and are mixed with minus-sieve products which are smaller than 10 to 13 mm, the crushed plus-sieve products and the minus-sieve product are subjected to separation through adopting a hydrocyclone, underflow products are dehydrated through a high-frequency screen, so that gangue products can be obtained, and overflow products are dehydrated through the high-frequency screen and granulated so as to form nubbly concentrate products, all slime water generated by all the products that pass through the high-frequency screen is thickened and clarified, and precipitates are subjected to filter pressing, so that tailings products can be obtained; and clarified water and filtered liquid can be adopted as circulating water. According to the oil shale tailings beneficiation process, after being crushed, the oil shale tailings are subjected to separation through adopting the hydrocyclone, and therefore, the oil shale tailings beneficiation process is simple, efficient and economical, and has a higher economic value. With the oil shale tailings beneficiation process adopted, problems of complex production process, high production investment and low separation efficiency can be solved, and the concentrate yield of oil shale can be effectively improved.

The invention relates to environment-friendly dispersing agent for dyeing in one bath. The dispersing agent is applicable to pure chemical fiber fabric like polyester or blended fabric containing chemical fiber like polyester cotton, polyester chinlon, polyester acrylic cotton and wool polyester acrylic fiber. The dispersing agent has more protruding advantages for bathing and dyeing the blended fabric like polyester acrylic cotton and wool polyester acrylic fiber. The environment-friendly dispersing agent is characterized by being prepared from, by mass, 5%-20% of fatty alcohol-polyoxyethylene ether, 5%-20% of plant cardanol polyoxyethylene ether, 5%-10% of adsorption dispersing agent, 0.2%-1% of emulsifying thickening dispersing agent and the balance water. The environment-friendly dispersing agent for dyeing and bathing has high dispersing force on dyestuff and a high leveling property, can effectively solve the problems like color tone and color spots and solve the precipitation problem caused when the dyestuff has different kinds of iconicity at the same time. Besides, the environment-friendly dispersing agent also has a certain oil removing capability and the capability of washing a dye vat, so that multiple fiber and multiple dyestuff are smoothly subjected to one bath, time, water and power are saved, energy conservation and emission reduction are achieved, the economiceffect is effectively improved, and the energy conservation and environmental protection requirement is better met.

The present invention discloses a fuel battery engine air turbine compressor with energy recovery function, which comprises a electric drive compressor composed of a electric machine and an air compressor, characterized in that a console tables is also included. A revolution axis of the electric machine stretches out from left and right sides, wherein a compressor set on one end. The exit port of the compressor connects with an air intake port of the fuel battery while the other end is provided with a turbine machine. The turbine machine recovers gaseous energy in some certain temperature, dampness and pressure from the air exhaust port of the fuel battery. The energy recovered from the fuel battery air discharge is equal to 50% that of compressor consumed power, reduces watt consumption of the electric machine in the invention, and meets state requirement of energy saving and discharge reducing.

The invention provides a whole-process air handling unit and a control method thereof. The air handling unit comprises an air inlet filtering section, a rotationally-started heat-exchange functional section, a fan flow-equalizing section and a muffling air supply section which are connected in sequence. The air inlet filtering section is provided with a fresh air inlet and a return air inlet. The fresh air inlet is perpendicular to the return air inlet in terms of air direction. The muffling air supply section is provided with a supply air outlet positioned on the same center line of the return air inlet. A fresh air valve, a return air valve and a supply air valve are arranged at the fresh air inlet, the return air inlet and the supply air outlet respectively. The rotationally-started heat-exchange functional section is provided with a rotationally-started heat-exchange integrated device. The fan flow-equalizing section is provided with a fan. The whole-process air handling unit further comprises a control device used for controlling rotation of the rotationally-started heat-exchange integrated device and the opening of the valves. The whole-process air handling unit can meet requirements on energy conservation and environment protection, fully utilize a fan power system thereof and serve as an accident ventilation or smoke exhaust system.

The invention provides a method of preparing calcium gluconate by a composite immobilized enzyme. Improvement is made on the basis of present methods which produce the calcium gluconate by a free composite enzyme method. Glucose oxidase and catalase are added into a mixed solution of sodium alginate and silica gel, and then are added dropwise into a calcium carbonate solution to be immobilized and moulded. The glucose oxidase and the catalase are immobilized to achieve enzyme liquid separation, thus improving the repeating utilization ratio of the glucose oxidase and the catalase and reducing the using cost of the enzyme. A calcium gluconate product produced by the method provided by the invention is high in purity, and conforms to requirements of the country about energy conservation and environment protection of enterprises at present.