35results about How to "Play a recycling effect" patented technology

The invention discloses high-compressive-strength recycled concrete and a preparation process thereof. The high-compressive-strength recycled concrete comprises the following components in parts by weight: 300-420 parts of reinforced recycled aggregate, 25-35 parts of recycled micro powder, 100-200 parts of natural coarse aggregate, 120-200 parts of natural fine sand, 120-170 parts of cement, 50-130 parts of fly ash, 50-120 parts of mineral powder, 6-12 parts of a waterproof agent, 0.8-2.2 parts of an air entraining agent, 120-160 parts of water and 20-35 parts of polypropylene mixed filler. The preparation process comprises the following steps: S1, weighing corresponding amounts of cement and natural fine sand, putting the cement and the natural fine sand into a stirrer, and stirring for40-60 seconds; S2, weighing the regenerated micro-powder, the fly ash, the mineral powder and the polypropylene mixed filler according to corresponding proportions, adding the weighed materials into the stirrer in the step S1, continuing to stir and mix for 30-40 seconds, adding half of the water according to the proportion, continuing to stir for 30-40 seconds, and mixing to obtain mortar with uniform color; and S3, adding the rest half of the water, the reinforced recycled aggregate, the natural coarse aggregate, the air entraining agent and the waterproof agent according to the proportion in the step S2, and continuously stirring for 60-80 seconds until the mixture is uniform.

The invention discloses a method for preparing non-sintered sidewalk bricks from residual aluminum ash. The method comprises the following steps: pretreating the residual aluminum ash, aging, mixing materials, shaping and later maintaining, wherein the residual aluminum ash to be buried is utilized as main aggregate, and activity of ingredients of aluminum oxide, silicon dioxide and the like in the residual ash can be stimulated by aging. As additives of a high-performance water reducing agent, an early strength agent and the like are added, an early strength of the sidewalk bricks is high, the sidewalk bricks are not prone to being damaged in demoulding, and compressive strength of the sidewalk bricks is also improved. By means of utilizing the residual aluminum, the method has the characteristics of low production cost, ability in effectively reducing the problem that ecological environment is affected by aluminum ash accumulation, resource recycling effect and important practical value.

The invention discloses a clay ceramsite used for highway greening. Clay, copper mine tailings, fly ash and a paper pulp waste liquid are adopted as raw material, so the cost is greatly reduced, and wastes are recycled. A preparation method of the clay ceramsite has the advantages of simplicity, easy industrialization and wide sources of the raw materials. The water absorption rate of the clay ceramsite is greater than 93%, the unit weight is greater than 590kg/m<3>, the compressive strength is greater than 30Mpa, and the granularity is 1-10[mu]m, so the clay ceramsite is very suitable for being used in highway greening.

The invention relates to a treatment method for antibiotics in marine aquaculture wastewater, wherein the method is simple to operate and used for removing substances, which are difficult to be effectively treated, such as a large number of oxytetracycline, sulfamethoxazole, virginiamycin and chloramphenicol contained in the aquaculture wastewater. The method provided by the invention solves a series of environmental problems such as reinforced medicine resistance of pathogenic microorganisms, inhibition of activity of beneficial microorganisms and residual antibiotics in marine products because the aquaculture scale grows day by day, and the discharge of the marine aquaculture wastewater becomes an important way for the antibiotics to enter the environment, has an excellent effect of purifying water quality and low processing costs, and does not produce any harmful substances in the treatment process.

The invention relates to a sand-blasting derusting device for I-steel. The sand-blasting derusting device for I-steel comprises a rack. A conveyor belt for conveying I-steel is arranged on the rack, and a cleaning chamber is further arranged above the conveyor belt on the rack; the conveyor belt comprises a plurality of transfer rollers, the transfer rollers are in contact with the lower surface of the I-steel, and a plurality of lower spray guns for cleaning the lower surface of the I-steel are further arranged between the transfer rollers on the rack; a plurality of upper spray guns for cleaning the upper surface of the I-steel are further arranged above the conveyor belt in the cleaning chamber, and a plurality of side spray guns for cleaning the side surface of the I-steel are furtherarranged on two sides of the width direction of the conveyor belt in the cleaning chamber. The s and-blasting derusting device for I-steel has an effect of derusting the surface of the I-steel fully.

The invention discloses a sidewalk brick prepared from primary aluminum ash after fine grinding. The sidewalk brick is prepared from a variety of raw materials. The raw materials include the components in parts by mass: 50-65 parts of aluminum ash, 5-8 parts of gypsum, 8-12 parts of slaked lime, 10-15 parts of common portland cement, 2-5 parts of silica fume, and 5-10 parts of engineering sand; the content of rock sand crystals is 0.5%-1% of the sum of the mass of the common portland cement and the slaked lime, the content of calcium formate is 0.3%-0.5% of the sum of the mass of the common portland cement and the slaked lime, and the content of a high performance water reducer is 0.5%-1% of the sum of the mass of the common portland cement and the slaked lime, so that the sidewalk brick has high early strength, is not easy to damage during demoulding, and has the compressive strength increased; the sidewalk brick has the characteristic of low production cost due to the utilization ofthe primary aluminum ash waste. The problem of ecological environment affected by aluminum ash accumulation is effectively solved, and the method plays a resource recycling effect and has important practical value.

The invention discloses a production method of high-efficiency cement, relating to the field of building production. According to the method, shells are used instead of limestone as the substrate to fire the cement. The method comprises the following steps: making the shells, gypsum and kaolin into fine powder, respectively calcining in a high-temperature furnace in a ratio of 4:3:3, and finally, uniformly mixing. The method is economical and practical; and since the amount of the shells is not limited, the shells can be taken freely, thereby saving abundant cost.

The invention discloses a cement preparation method and relates to the field of construction production. According to the method, recycled marble is used for replacing limestone so as to prepare cement at a low temperature. The method comprises the following steps: processing the marble, gypsum and kaolin into fine powder; separately calcining in a high-temperature furnace; finally, evenly mixing. Cost is saved greatly by utilizing the method, which conforms to the current slogans and calling very well.

The invention discloses a silicon rod producing and machining polishing device with convenience in adjusting polishing directions. The silicon rod producing and machining polishing device comprises abottom plate, a turntable and a disc. Support tables are mounted on two lower sides of the bottom plate, an accommodating tank is arranged between the support tables, a support frame is arranged on the upper side of the bottom plate, a cylinder is mounted on the upper side of the support frame, a driving machine is fixed to the front side of the turntable, fixing screws are mounted on the side surfaces of the disc, a movable rod is arranged below the disc, a fixing device is arranged on the outer side of the movable rod, a polishing wheel is mounted on the front side of the driving machine, apolishing sheet is arranged on the front side of the polishing wheel, a rotary shaft is arranged between the polishing wheel and the driving machine, compressing sheets are arranged at ports of the fixing screws, and rubber layers are arranged on the compressing sheets. The silicon rod producing and machining polishing device with the convenience in adjusting the polishing directions has the advantages that the characteristics of fragility of silicon rods are taken into consideration, the silicon rods can be protected in silicon rod polishing procedures, and the polishing directions can be adjusted.

The invention provides a disabled and dead fish collector for aquaculture. The disabled and dead fish collector comprises a fishing net, a crusher, a pulverizer, a high-temperature drying box, a firststorage bucket, a second storage bucket, a protective cover, a battery and a motor. A boat groove, a first storage groove and a second storage groove are formed in the end surface of the top of a boat body, two fishing rods are arranged at the front end of the end surface of the top of the boat body, and eight sliding holes are formed in the right ends of the fishing rods to facilitate the capture of disabled and dead fish, so that the situation that the harmful bacteria contained in the disabled and dead fish pollute the aquaculture water and cause damage to the fish within the aquaculture water is avoided. Unlike other exiting fishing devices prone to escape of wounded fish when used, the collector effectively avoids the escape of the wounded fish and improves the efficiency of water cleaning by trapping the wounded fish inside a spherical structure composed of eight grab bars and the fishing net.

The invention relates to a die-casting machine for plug-and-socket fasteners. The die-casting machine comprises a machine frame; a lower working plate and an upper working plate are arranged on the machine frame; the lower working plate is provided with a lower module, and side plates are arranged on the front side, the rear side and the right side of the lower module; a clamping opening forming block and a clamping opening forming cover plate are arranged on the inner side of the right side plate of the lower module; a pressing block lifting cylinder is arranged below the upper working plate;the lower portion of the pressing block lifting cylinder is connected with an upper mold pressing block matched with the lower module; the left end of the upper mold pressing block is arc, and buckleplate forming openings are formed in the lower portions of the front side and the rear side of the left end; a socket opening forming column is arranged on the upper mold pressing plate and located between the two buckle plate forming openings in a penetrating and inserting fit mode; the upper end of the socket opening forming column is connected with a socket opening forming lifting block; the upper portion of the socket opening forming lifting block is connected with a socket opening forming lifting cylinder which is matched with a mold unloading movable device on the upper working plate; and the upper working plate is further provided with a side mold device in arc fit with the left end of the upper mold pressing block. By means of the die-casting machine, lateral mold-loading can be achieved, and the fastener machining efficiency is improved significantly.

The invention discloses a method for preparing a non-sintered sidewalk brick with primary aluminum ash after fine grinding, wherein the method includes the following steps of aluminum ash pretreatment, mixing, molding, and later maintenance; waste aluminum ash is used as a main aggregate, and additives such as a high performance water reducing agent, an early strength agent and the like are added,so that the sidewalk brick has high early strength, is not easy to damage during demoulding, and has the compressive strength increased. The sidewalk brick prepared by the method has the characteristic of low production cost due to utilization of the primary aluminum ash waste. The problem of ecological environment affected by aluminum ash accumulation is effectively solved, and the method playsa resource recycling effect and has important practical value.

The invention discloses a graphene-containing textile fabric printing and dyeing device and a printing and dyeing method thereof, and belongs to the technical field of textile fabric printing and dyeing. The graphene-containing textile fabric printing and dyeing device comprises a treatment box, a drainage gas transmission assembly is arranged on the right side of the outer surface of the treatment box, and a stirring device is arranged on one side of the drainage gas transmission assembly and located in the treatment box; the stirring device is in transmission connection with a reciprocating motion structure, and the reciprocating motion structure is located in the treatment box. According to the graphene-containing textile fabric printing and dyeing device and the printing and dyeing method thereof, the stirring device, the drainage gas transmission assembly and the reciprocating motion structure are arranged, and under transmission cooperation of the stirring device, the drainage gas transmission assembly and the reciprocating motion structure, stirring, printing and dyeing and drying work can be synchronously driven; multiple processing modes of the device are integrated, the uniformity of printing, dyeing and drying can be guaranteed, intervention of too many driving devices is not needed, and the overall use cost is greatly reduced.

The invention relates to the technical field of chemical laboratory equipment, and discloses a treatment mechanism for cleaning a test tube for a chemical experiment. The treatment mechanism comprises a main body, wherein a movable groove is formed in the top of the main body; two limiting grooves are symmetrically formed in the inner wall surface of the movable groove; telescopic grooves are formed in four corners of the left outer wall surface and the right outer wall surface of the main body; telescopic stabilizing devices are movably arranged in the telescopic grooves; and two groups of clamping devices are arranged in the movable groove in a sliding mode. According to the treatment mechanism, telescopic rods, stabilizing blocks, rubber plates, stabilizing grooves and the movable groove are arranged, the two stabilizing blocks are pulled to face the two sides of a test table according to the length and width of the test table, then openings of the stabilizing grooves are moved downwards, at the moment, the stabilizing grooves are elastically deformed, after the stabilizing grooves are loosened, the two stabilizing grooves are clamped at the two ends of the side edge of the test table, so that a stable supporting environment is provided for the experiment main body, and the situation that the test tube on the main body slides due to shaking of the main body is avoided.

The invention relates to a waste recovery device for hardware processing. The waste recovery device comprises a front case, a top plate, a material loading platform, a rear case, rotating shafts I, walking wheels, a support plate, a motor, a belt wheel I, a belt I, a handrail, a transmission mechanism, a compression mechanism and a disassembly mechanism. The top plate is fixedly connected to one side of the front case, the rear case is fixedly connected to one end of the top plate, the rear case is fixedly connected with the bottom of one side of the front case, the material loading platform is fixedly connected to one side of the rear case and one side of the front case, the two sides of the front case and the two sides of the rear case are all rotatably connected with the rotating shaftsI through bearings, the transmission mechanism is arranged on one side of the rear case and used for transmitting power, the compression mechanism is arranged on one side of the front case and one side of the rear case and facilitates compressing hardware waste materials, and the disassembly mechanism is arranged on one side of the front case and is used for taking out the compressed waste materials conveniently. According to the waste recovery device for hardware processing, the labor intensity of workers is reduced when the waste materials are collected, personal injury to the workers during collection is avoided, and the collection and cleaning can be rapidly realized by starting the motor.

The invention provides a waste tire recycling device. The waste tire recycling device comprises a base and a support frame, wherein the base is provided with a conveying device; the support frame is provided with a pyrolytic reaction device and a discharging device; a recycling device is arranged inside the support frame; the head and the tail of the conveying device are connected with a charging hole and a discharging hole respectively; the discharging hole is connected with the pyrolytic reaction device; one side of pyrolytic reaction device is in butt joint with the discharging hole; the other side of pyrolytic reaction device is provided with the discharging device; the recycling device is arranged below the pyrolytic reaction device and the discharging device. The waste tire recycling device is simple in structure, is safe and convenient to use, and has a reasonable regeneration system. By adopting the waste tire recycling device, the influence on an external environment can be lowered effectively, the implementation of environmental policies is ensured, the oil producing rate and the recycling rates of activated carbon and steel wires can be increased effectively, the labor strength of operators is lowered effectively, and the working efficiency is increased.