16results about How to "Effective settlement" patented technology

The invention discloses a sulfur-manganese composite autotrophic denitrification filler as well as a preparation method and application thereof, and belongs to the technical field of environmental functional materials and polluted water treatment. The sulfur-manganese composite autotrophic denitrification filler contains manganese salt, a sulfur-based component and a cement-based component, the manganese salt comprises one or more of manganese carbonate, calcium manganese ore and rhodochrosite; the sulfur-based component comprises sulfur and sulfur manganese ore; the cement-based component comprises cement, fly ash pottery sand, silica fume, blast furnace slag and metakaolin; the cement comprises one or more of Portland cement, iron aluminate cement and sulphoaluminate cement. The nitrogen removal efficiency of the sulfur-manganese composite autotrophic denitrification filler is superior to that of a sulfur autotrophic denitrification system, the sulfate concentration and nitrite nitrogen accumulation in effluent are remarkably reduced, the service life of the filler is prolonged, and the efficient utilization rate of the material is improved.

The invention discloses a water body remediation carbon sequestration and sink increasing method based on lanthanum modified bentonite, and belongs to the technical field of water body ecological remediation. Comprising the following steps: 1, isolating a to-be-restored water body, and obtaining current data of the water body; step 2, determining the current input amount of lanthanum modified bentonite and a flocculating agent based on the current data of the water body, and adding the lanthanum modified bentonite and the flocculating agent into the water body to repair the water body: blue-green algae on the surface of the water body settles, the settled blue-green algae die and decompose at the water bottom, and nutrient substances such as greenhouse gas nitrous oxide, methane and nitrogen and phosphorus are generated; aquatic plants are planted in the water body, the dissolved oxygen content of the water body is increased through photosynthesis of the aquatic plants, and release of greenhouse gases nitrous oxide and methane generated in the blue-green algae decomposition process in the second step is inhibited; in a water body environment where aquatic plants are planted, the lanthanum modified bentonite is used for locking phosphorus in a water body and bottom mud, the content of phosphorus in the water body and the bottom mud is reduced, and growth of algae is inhibited.

The invention relates to the technical field of zinc oxide preparation, and particularly discloses a waste heat utilization device for preparing zinc oxide by a dry method, the waste heat utilization device comprises a thermal insulation outer cylinder and a settling cylinder, the lower end of the settling cylinder is connected with a V-shaped connecting pipe, and the other end of the connecting pipe is connected with a vertically upward settling pipe; a plurality of fan-shaped columnar heat storage boxes are rotationally arranged on the outer wall of the settling cylinder in the heat preservation outer cylinder, each heat storage box is filled with a phase change heat storage material, and a plurality of heat exchange pipes vertically penetrate through the heat storage boxes; compared with traditional waste heat recovery equipment, the device has the advantages that high-temperature flue gas is recovered on line and can be released and utilized at any time, zinc oxide powder in the high-temperature flue gas can be settled through the two vertical flue gas movement processes of the heat exchange pipe and the settling barrel, and the zinc oxide powder in the high-temperature flue gas can be recycled at any time. The problems of waste heat recovery and powder sedimentation of existing zinc oxide high-temperature flue gas are effectively solved.

The present invention is applicable to the technical field of sewage treatment, and provides a kind of urban sewage filtering and purification equipment, including an equipment seat, a left bracket, a right bracket, a collecting tank, a left connecting frame and a right connecting frame, and also including: a filtering and purification component, a drain pipe, a water inlet pipe, a rotary control mechanism and a rotating mechanism, and the filtering and purification component includes a first filter cartridge, a second filter cartridge, a first purification cartridge and a second purification cartridge. In a kind of urban sewage filtering and purification equipment in the present invention, the rotary control mechanism cooperates with the rotating mechanism, which can not only drive the first filter cartridge, the second filter cartridge, the first purification cartridge and the second purification cartridge to rotate synchronously and in the same direction, but also drive the first filter cartridge and the first purification cartridge to rotate counterclockwise, and drive the second filter cartridge and the second purification cartridge to rotate clockwise, so that not only the filtration and purification of sewage can be completed, but also the sediment attached to the surface of the filtering and purification component can be reduced, the distribution of water flow between the cylinders is optimized, and it is conducive to the sedimentation and separation of particulate matter.

The invention belongs to the technical field of oil well associated gas component analysis, and discloses an oil field associated gas component wellhead online analysis system and method. The wellhead online analysis system for the oilfield associated gas components comprises a circulating suction unit, an oilfield associated gas component analysis unit, a backflow unit and a remote control unit, the circulating suction unit comprises an electric valve, a gas-liquid separation tank and a circulating pump which are connected in sequence, the oilfield associated gas component analysis unit comprises a pressure reducing valve, an electric valve and a gas component detection part which are connected in sequence, and the backflow unit comprises an accumulated liquid backflow unit and an accumulated waste gas emptying unit. The circulating suction unit, the oilfield associated gas component analysis unit and the backflow unit are arranged on a sealed sampling pipeline formed at a wellhead sampling position. According to the wellhead online analysis system for the oil field associated gas components, online detection of the oil field associated gas components is achieved, and the reliability and accuracy of online analysis are improved.

The utility model relates to the technical field of municipal roads and bridges, and discloses a municipal road and bridge spraying device which is characterized in that a sliding groove is formed in a vehicle plate, a sliding block is connected in the sliding groove in a sliding mode, a movable plate is fixedly connected to the side, away from the sliding groove, of the sliding block, and a first rack is fixedly connected to one side of the movable plate; the other side of the moving plate is fixedly connected with a second rack, the second rack is connected with a second half gear in an engaged mode, and the second half gear is fixedly connected to a second connecting column. According to the municipal road bridge spraying device, the driving motor is arranged, the movable plate moves back and forth, then the water storage ring, the plastic water pipe, the connecting pipe and the spraying pipe are driven to move back and forth, the spraying pipe sprays back and forth, the spraying effect of municipal road bridges is better, manual back-and-forth pushing spraying can be avoided, and the portability of the municipal road bridges during spraying can be effectively improved; and dust on the ground can be more fully cleaned during spraying of municipal roads and bridges, so that the dust cleaning effect of the municipal roads and bridges is improved.

The utility model discloses a movable spraying device for a working face, and relates to the technical field of coal mining equipment. The working face movable type spraying device comprises two adjusting type moving structures, a driving structure is arranged between the two adjusting type moving structures, dust falling nozzles are arranged on the inner sides of the adjusting type moving structures, a water storage structure is arranged on the outer side of the adjusting type moving structure on the right side, and the water storage structure is connected with the dust falling nozzles; according to the spraying device with the movable working face, by arranging the adjusting type moving structures and the driving structures, the adjusting type moving structures can adjust the lengths of the adjusting type moving structures so as to change the dust falling height of the dust falling spray head, and then the driving mechanisms are matched to adjust the interval between the two adjusting type moving structures so as to adjust the dust falling range of the dust falling spray head; the size of the spraying device can be flexibly adjusted according to the requirements of the actual working environment, and water mist sprayed in the spraying process can evenly cover the whole working face.

The invention discloses an environmental protection type building dust falling machine which comprises a dust falling machine body, a rotating ring, a supporting ring and a top table, the top end of the dust falling machine body is sleeved with the supporting ring, and the outer side of the supporting ring is sleeved with the rotating ring. According to the environment-friendly building dust falling machine, in the dust falling process of a building construction site, a driving motor is used for driving a rotating main shaft and a power gear to rotate, the power gear is meshed with a gear ring, the gear ring is made to rotate, the rotating ring is made to rotate around the periphery of a supporting ring, and in the process, the rotating ring rotates to make an impact protruding block rotate synchronously; in the rotating process, the impact protruding block makes contact with the swing arm, so that the swing arm is jacked up, the swing arm is turned over upwards, the swing hinge frame and the dust-falling water spraying pipe are turned over upwards synchronously, and when the impact protruding block continues to rotate to be away from the swing arm, the swing hinge frame and the dust-falling water spraying pipe swing downwards. In the whole movement process, the swing hinge frame and the dust falling sprinkler pipe swing up and down.

The utility model relates to the technical field of supergravity mass transfer, and provides a super mass transfer multiplier which comprises a shell, the shell is provided with a cavity, the cavity is provided with a gas inlet, a gas outlet and a drain outlet, the gas inlet and the gas outlet are located at the top of the shell, the drain outlet is located at the bottom of the shell, a rotating part is rotationally arranged in the cavity, and an exhaust cavity is formed in the rotating part. The scraping piece is rotatably arranged in the cavity, the scraping piece abuts against the inner wall of the cavity, the scraping piece is provided with a circulation cavity, the circulation cavity is provided with a nozzle, the nozzle faces one side of the scraping piece, an included angle is formed between the nozzle and the length direction of the scraping piece, the scraping piece and the rotating piece rotate in the opposite direction, and the flexible scraping plate is slidably arranged relative to the scraping piece. And after sliding, the sliding block abuts against or cancels abutting against the outer wall of the rotating piece. By means of the technical scheme, the problem that in the prior art, dust in gas affects the treatment efficiency of the mass transfer multiplier is solved.

The invention relates to the technical field of food safety detection, and discloses an immunochromatography kit for rapidly detecting rice yeast acid in food, which comprises a test strip and an extracting solution. The test strip is in lap joint with a sample pad, a combination pad, a nitrocellulose membrane and a water absorption pad in sequence; the nitrocellulose membrane is provided with a detection line coated with a rice yeast acid conjugate and a quality control line coated with an anti-mouse IgG antibody. The sample pad is pretreated by polyvinylpyrrolidone to intercept impurities; introducing a steric hindrance protective agent into the combination pad probe; the extracting solution contains methanol and a surfactant. Through a specific formula and process, the technical problems that in a lipid-containing and high-viscosity complex matrix, rice yeast acid is difficult to extract, chromatography is prone to blockage and false positive is caused by an organic solvent are solved, and the method has the advantages of being high in sensitivity, high in anti-interference capacity and rapid in detection and is particularly suitable for food poisoning site emergency disposal and daily rapid screening.

The invention provides automatic steel slag conveying, rolling and dust falling integrated equipment, and relates to the technical field of steel slag integrated machining, the equipment comprises a self-walking assembly, a steel slag container, a driving part, a rolling channel, a rolling assembly, a dust falling assembly, a discharging hopper, a distributor, an elevator, a collecting container and a rail type electric flat car; according to the device, the procedures of conveying and dumping, multi-wheel circulating rolling and effective dust falling of the steel slag can be integrally achieved, the other function of dust falling can further cool the rolling assembly so that the service life of the rolling assembly can be prolonged, and the dispersion effect of the steel slag can be further improved through multi-wheel circulating rolling; the steel slag quality after subsequent processing is basically consistent, the steel slag hot braising effect is further improved, the whole process is high in automation degree, manual intervention is not needed, the labor intensity and potential safety hazards are greatly reduced, and the steel slag processing efficiency is remarkably improved.

The invention relates to a method for extracting steroid hormones in serum, and belongs to the technical field of biomedical detection. According to the method, a protein precipitation method is adopted, and methanol, zirconium sulfate heptahydrate and dextran sodium sulfate in a specific proportion are used as protein precipitants, so that protein and phospholipid are effectively settled, the matrix effect is reduced, the detection accuracy is improved, meanwhile, pollution to a chromatographic column and an instrument is reduced, and the service life is prolonged.

This invention discloses a waste filtration and collection device for a swimming pool underwater cleaning robot, comprising: a shell with an inlet channel and an outlet channel; the inlet channel having a confluence channel and two suction channels; the two suction channels are located at the bottom of the shell and converge to the lower end of the confluence channel; the upper end of the confluence channel extends into the inner cavity of the shell and divides the inner cavity into front and rear waste compartments; the outlet channel has a drain channel and two filter channels; the drain channel is located at the top of the shell, with a water pump impeller installed at the drain outlet at the upper end of the drain channel, and its lower end confluences and connects to the upper ends of the two filter channels; the lower ends of the two filter channels are equipped with filter screens, which correspond to the inlets of the front and rear waste compartments respectively; both ends of the confluence channel are gradually expanding openings, with the upper end guiding the flow direction towards the front and rear filter screen areas respectively. This invention can effectively reduce the flow resistance of the entire channel, reduce the power consumption of the swimming pool cleaning robot, and thus extend the effective working time of the robot.

The invention belongs to the technical field of underground construction engineering, and particularly relates to an overpass existing subway tunnel protection structure which comprises isolation piles. A plurality of isolation piles are arranged, and the plurality of isolation piles are divided into three groups; the multiple isolation piles are arranged as main supporting components, the overall stability of the structure is enhanced, the isolation piles serve as anti-floating piles of the underground transportation hub structure, the anti-floating capacity of the structure is improved, and due to the arrangement mode of the three sets of isolation piles, when the structure bears loads, force can be more evenly dispersed, local stress concentration is avoided, and the service life of the structure is prolonged. The four inserting holes formed in the fixing frame provide accurate positions for inserting of the inserting plates, it is ensured that the conversion raft plate can be stably hoisted on the fixing frame, the conversion raft plate serves as a bottom plate of the underground transportation hub structure, the upper load is borne, the load is transmitted to the multiple isolation piles through connection with the fixing frame, and therefore the conversion raft plate is prevented from being damaged. And the bearing capacity of the structure is further enhanced.

The utility model discloses intelligent control spraying device, including the bottom plate, two diffuse reflection switches and a controller are fixedly installed to the bottom plate upper end surface through the mounting panel, the bottom plate outer wall is fixedly installed with frequency conversion water pump through the support mechanism, the bottom plate upper end surface is fixedly installed with dust concentration detector through the support rod, the bottom plate upper end surface is fixedly installed with the connecting pipe of frequency conversion water pump export end connection through the mounting groove, the bottom plate upper end surface is fixedly installed with a plurality of with the connecting pipe cooperation's clamp through the bolt. The utility model discloses through setting diffuse reflection switch, dust detector, first spraying pipe and second spraying pipe etc. component, under the cooperation of two diffuse reflection switches, can determine the in and out of vehicle, thereby can control the opening and closing of the washing water, and through the setting of dust concentration detector, the concentration of dust can be accurately detected, so that the first spraying pipe and second spraying pipe can be cooperated to realize the effective settlement of dust.

The utility model relates to the technical field of dust removal equipment in a coke oven coal preparation process, and mainly discloses a dust removal device of a coke oven coal preparation crusher, which comprises a crusher, a chute, a dust collection cover, a dust collection header pipe and a bag type dust remover, the dust collection cover is arranged on the side part of an opening below the chute, a settling chamber is arranged on the side surface of the chute, and the settling chamber is communicated with the inside of the chute; a dust collection cover is installed on the settling chamber, a baffle plate is arranged in the settling chamber, the dust collection cover and the dust collection cover are communicated with a dust collection header pipe through pipelines, and the dust collection header pipe is connected with a bag type dust collector. And meanwhile, the dust-free effect can be achieved with small dust removal air volume, and the equipment investment and the operation cost are reduced.