23results about How to "Realize deep purification" patented technology

The invention discloses an agricultural non-point source pollution treatment system, and relates to the technical field of agricultural environmental protection and water treatment, and the agricultural non-point source pollution treatment system comprises an ecological ditch unit, an ecological pond unit, a connecting pipeline and a control unit; the ecological ditch unit is used for carrying out primary pretreatment on sewage through a plant enhanced corridor and an ecological filter dam to remove suspended solids and part of pollutants; the ecological reservoir pond unit realizes deep purification through a multi-stage process of flocculent precipitation, enhanced denitrification, ecological treatment and a stable area; the control unit intelligently regulates and controls water flow based on water quality monitoring data, water reaching the standard is directly reused in farmland or lakes, and water not reaching the standard enters a pond to be further treated. According to the invention, stepped deep removal of pollutants, cyclic utilization of water resources and self-adaptive operation of the system are realized, and the treatment efficiency and stability are improved.

The application discloses a method and device for eliminating white smoke in wet desulfurization flue gas, which mixes hot air with reheated flue gas to eliminate white smoke in the flue gas, collects various temperature and humidity data, and finally calculates the critical heating temperature T of the hot air required for eliminating white smoke in the flue gas HCT , and then adjusts the amount of heat medium of the air heater in real time until the temperature T of the hot air is equal to the critical heating temperature T ah of the hot air HCT , and then the flue gas is discharged. The application can heat the flue gas after wet desulfurization by the intermediate wall heating, mix the flue gas with hot air, determine the critical heating temperature of the hot air for eliminating white smoke in the flue gas in real time, adjust the amount of heat medium in real time to control the temperature of the hot air, automatically control the amount of heat medium for mixed heating and eliminating white smoke, and thus eliminate white smoke and avoid unnecessary energy consumption of the device caused by the lack of theoretical basis for adjusting the temperature of the discharged flue gas by the operator.

This invention relates to the fields of adsorbent preparation and heavy metal remediation technology, and particularly to an amorphous iron-magnesium-aluminum silicate, its preparation method, and its applications. This invention utilizes molten salt-mediated ion exchange and lattice recombination under high-temperature conditions to completely and uniformly transform various silicate minerals from complex and inconsistent natural clay minerals into a non-naturally formed, structurally homogeneous, and stable amorphous iron-magnesium-aluminum silicate. This overcomes the limitation of traditional adsorbents having a narrow applicable concentration range, exhibiting extremely strong removal capabilities for heavy metal ions from high to low concentrations, achieving deep purification. Based on the theory of "increasing configurational entropy," this invention proposes the design of a silicate network framework with dense, highly active sites and multiple metals, breaking through the traditional approach of "simple modification" of natural clay minerals. It fundamentally reconstructs their material composition, providing a material that combines low cost with revolutionary adsorption performance.

The application discloses a preparation method of high-purity carbon powder prepared by step-by-step pyrolysis of waste tires, comprising the following steps: S1, removing steel wires and fiber accessories from waste tires, crushing and screening to obtain 80-120 mesh tire rubber powder, placing the rubber powder in a vacuum drying box, drying for 2-4 hours to remove the surface adsorbed water and light volatile impurities of the rubber powder, and obtaining dry tire rubber powder, thus, the closed pressure control vacuum drying pretreatment process can isolate external water vapor and dust, eliminate secondary pollution of the material, efficiently remove the surface adsorbed water, residual oil and light volatile components of the rubber powder under constant temperature conditions, adopt a three-stage gradient series condensation process, separate heavy, medium and light oil gas components according to the boiling point difference of the oil gas components, effectively avoid the problems of incomplete oil gas condensation and component adhesion and mixing, and adopt a dilute hydrochloric acid pickling-weak alkali desulfurization-multiple pure water rinsing grading purification system, low-speed stirring in the desulfurization stage, and consideration of the desulfurization effect and the structural integrity of the carbon powder.

This invention discloses a high-speed centrifugal water injection purification and dewatering method for marine silica sand. This invention relates to the field of silica sand purification technology and includes the following steps: activating the silica sand; sieving the activated silica sand to remove impurities; mechanically grinding the sieved silica sand; treating the ground silica sand with centrifugal water injection, using centrifugal force combined with water injection to remove chloride ions and harmful substances from the silica sand; and dewatering the treated silica sand to obtain finished silica sand. By combining activation treatment, mechanical grinding, and centrifugal water injection purification, chloride ions and impurities such as shells and mud can be effectively removed from the silica sand. This process adopts a step-by-step treatment method: first, activation loosens the colloids on the surface of the silica sand; then, mechanical grinding breaks down the colloidal layer structure; and finally, centrifugal force combined with water injection separates the soluble salts from the silica sand, achieving deep purification of the silica sand.

The invention discloses a coal gasification slag-based porous sponge for uranium mine wastewater treatment and a preparation method thereof, relates to the field of radioactive wastewater treatment and solid waste recycling, and aims to solve the technical problems of poor adsorption inertia, poor interface stability and insufficient selectivity of the existing coal gasification slag-based material in strongly acidic uranium mine wastewater. According to the technical key points, the method comprises the following steps: step 1, preparing an alkaline solution, putting the coal gasification slag into the alkaline solution for etching treatment, and collecting the treated coal gasification slag to obtain solid powder A; 2, grinding and mixing the solid powder A and urea, and performing pyrolysis treatment in a nitrogen atmosphere to obtain nitrogen-doped coal gasification slag-based porous sponge B; 3, placing the porous sponge B in a mixed acid solution of nitric acid and hydrochloric acid for carboxylation modification to obtain sponge C with the surface rich in carboxyl; step 4, immersing the sponge C into a PEI aqueous solution; pEI is chemically bonded with the sponge through carboxyl on the sponge C, and the coal gasification slag-based porous sponge is obtained.

This utility model relates to the field of electro-deionization water purification technology and discloses an electro-deionization water purification device, including a shell assembly. A rubber diaphragm is fixedly installed on the upper inner wall of the shell assembly, an electrode assembly is installed on the outer wall of the shell assembly, a ring-shaped sterilization assembly is installed on the lower inner wall of the shell assembly, and an auxiliary assembly is installed at the bottom of the shell assembly. The electrode assembly facilitates the directional migration of ions in the water under the action of an electric field, with cations moving towards the cathode and anions moving towards the anode. This ion migration allows for the effective removal of ions from the water, thereby achieving deep water purification. Furthermore, the rubber diaphragm allows it to regain its adsorption capacity, ensuring stable operation of the device over a long period and reducing the frequency and cost of chemical regeneration.

The utility model relates to an air draft system of a frying workshop, which belongs to the technical field of air treatment in the food processing industry and comprises a frying workshop body. The oil fume pretreatment device has the advantages that oil fume in the oil frying workshop body is sucked into the pretreatment tank through the exhaust fan, at the moment, large oil fume particles can be preliminarily removed through the cyclone separator, heat is taken away through cold water in the water pipe so as to reduce the oil fume temperature, and after the oil fume reaches the position of the main filter box, the oil fume can be recycled. The main filter box adopts a composite multi-layer filter structure and can be respectively responsible for capturing particulate matters with different particle sizes under the filtration of a primary filter layer, an activated carbon adsorption layer and an HEPA (High Efficiency Particulate Air) high-efficiency filter layer so as to realize deep purification and further improve the oil fume filter effect, and finally clean air is discharged through the tail end of an exhaust gas discharge pipe, so that the oil fume purification effect is improved. By means of the structure, consumption of water resources is reduced, the oil fume treatment capacity is high, and secondary pollution is not prone to being generated.

This application discloses a multi-angle purification and air supply device for central air conditioning, relating to the field of air conditioning. It includes an air supply duct and a mounting plate fixed to one side of the air supply duct. Multiple air outlets are formed on the surface of the mounting plate, and an air guide mechanism is installed inside each air outlet, partially located inside the air supply duct. An air inlet is formed at the end of the air supply duct away from the mounting plate. A filter module is fixedly inserted into the side of the air supply duct near the air inlet. Inside the filter module, a pre-filter, a HEPA filter, and an activated carbon filter are arranged sequentially along the airflow direction. A centrifugal fan and an axial fan are fixedly installed inside the air supply duct near the mounting plate. This application uses a motor to drive a spur gear to rotate, causing the gear plate to move and the universal joint structure to deflect at an angle, thereby causing the air guide plate to rotate around the rotating rod, achieving multi-directional flexible adjustment of the air supply angle to meet the needs of different scenarios.

The application discloses a method for extracting rare earth from monazite concentrate, which comprises the following steps: step 1, mixing monazite concentrate with a preset amount of phosphorus-rare earth co-precipitation slag, adding sodium hydroxide solution and CaO powder, controlling the temperature to be 120-180 DEG C under sealed stirring and keeping the reaction for 9-12 h, so that the monazite concentrate and the phosphorus-rare earth co-precipitation slag are fully decomposed under alkaline conditions, and a mixed slurry is obtained; step 2, filtering and separating the mixed slurry in step 1, washing the filter residue with hot water at 80 DEG C for multiple times, and collecting the decomposition liquid and the decomposition residue respectively; and step 3, adding a preset amount of hydrochloric acid and hydrogen peroxide mixed solution into the decomposition residue in step 2, stirring and reacting at 80 DEG C for 2 h, and obtaining acid-insoluble residue and rare earth chloride solution after filtration treatment, so that the rare earth is extracted from the monazite. The application aims to reduce the concentration of sodium hydroxide in the monazite alkaline decomposition process.

This invention discloses an air particulate matter separation device and method. The device includes a fan, a purified water chamber, and a multi-stage separation chamber. A filter element is installed within the multi-stage separation chamber. The fan blows air carrying dust particles into the multi-stage separation chamber, causing the dust particles (calcium carbonate particles) to be filtered onto the filter element. The multi-stage separation chamber is connected to a first gas separation mechanism, which in turn is connected to the purified water chamber. The purified water chamber stores distilled water. The first gas separation mechanism separates carbon dioxide from the air and inputs the carbon dioxide into the purified water chamber, converting the distilled water into carbon dioxide-containing water. The purified water chamber is connected to the multi-stage separation chamber, and the filter element is rinsed using this carbon dioxide-containing water. During physical rinsing, carbon dioxide, water, and calcium carbonate react to form calcium bicarbonate dissolved in the water, effectively removing dust particles adhering to the filter element, preventing filter pore clogging, extending filter element life, and avoiding frequent filter element replacements.

This invention belongs to the field of formaldehyde removal technology, specifically a formaldehyde removal agent quantitative release device, comprising a shell structure; the shell has an inner liner connected to it, which together with the inner wall of the shell forms a sandwich space for diverting the incoming formaldehyde removal agent; the inner sidewall of the inner liner is evenly distributed with multiple atomizing nozzles; in this invention, a liquid pump accurately delivers formaldehyde removal agent mixed with a photocatalyst, which is atomized by the atomizing nozzles and flows to the diversion pipe under the drive of the internal swirling flow, and the first fin rotates to expand the diffusion range and accelerate the diffusion speed, and works with the first lamp to activate the photocatalyst, achieving full mixing of the agent with the air, enhancing the formaldehyde removal effect; the various functional components achieve coordinated action through mechanical linkage, reducing dependence on additional power sources, with a compact structure and good operational coordination; the overall equipment forms a highly efficient and coordinated purification system in terms of dust removal, formaldehyde removal, photocatalytic activation, and agent diffusion.

This utility model discloses a filtration device for industrial preservative processing, specifically relating to the technical field of filtration equipment. It includes a first filter tank and a second filter tank, both with covers installed on their tops. A feed pipe is fixedly connected to one side of the first filter tank. A filtration cleaning mechanism is installed inside the first filter tank, and a filtration treatment mechanism is installed inside the second filter tank. The filtration cleaning mechanism includes a first fixing plate. This utility model achieves deep purification through a three-layer filtration structure consisting of a coarse filter, a fine filter, and a high-precision filter within the first filter tank, effectively improving the stability and safety of the preservative. When the filter is clogged, a water pump drives a nozzle on a ring pipe to spray high-pressure water, backwashing the three layers of filter. The impurity mixture is directly discharged through a drain pipe. The entire process requires no machine shutdown or filter replacement, significantly reducing production interruption time.

This utility model discloses a pollution interception and purification device for river and lake ecological restoration, comprising: several sets of U-shaped seats and connecting seats installed in the river channel; adjacent U-shaped seats are connected by connecting seats; a purification slot is opened in the U-shaped opening of each U-shaped seat, and a purification plate for purifying river water is inserted into the purification slot. The purification medium of the purification plate includes a filter layer, a biological filler layer, and an adsorption layer; protective slots are opened on both sides of the purification slot in the U-shaped opening of each U-shaped seat, and protective plates for intercepting garbage and foreign objects in the river water are inserted into the protective slots. The protective plates are made of metal wire mesh. This multi-pronged approach overcomes the shortcomings of physical methods in dealing with dissolved and microbial pollution, achieving deep purification of water bodies and improving water quality.

The invention belongs to the technical field of underwater operation equipment, and particularly provides a deep-sea mining vehicle plume treatment system which comprises a plume suction pipeline and a plume treatment integrated body, and the plume treatment integrated body comprises a plume suction pump, an electrochemical flocculation assembly and a cyclone; the electrochemical flocculation assembly comprises a sealed box body, a cathode and an anode; a fluid inlet is formed in the bottom of the sealed box body, and a fluid outlet is formed in the top; the input end of the plume suction pump is communicated with the plume collection main pipeline, and the output end of the plume suction pump is communicated with the fluid inlet; the fluid outlet is communicated with the inlet end of the cyclone, the floc outlet end of the cyclone is connected with a floc backfilling pipeline, and the overflow outlet end of the cyclone is connected with an overflow discharge pipeline. According to the plume treatment system for the deep-sea mining vehicle, chemical flocculants do not need to be added, and ecological safety is guaranteed; when micron-sized (the particle size is smaller than or equal to 15 microns) plume fluid particles can be treated, the plume treatment efficiency is remarkably improved.

The present application relates to a method for preparing high-purity quartz sand with high permeability, belonging to the field of mineral processing and purification, using quartz raw sand or concentrate sand after beneficiation as raw material, comprising the following steps: laminating self-crushing, low-temperature calcination-water quenching treatment of quartz raw sand or concentrate sand after beneficiation, then using single hydrofluoric acid leaching treatment; adding hydrochloric acid and nitric acid on the basis of hydrofluoric acid system, carrying out ternary acid system leaching; using water washing-drying treatment on the leaching product, obtaining high-purity quartz sand with high permeability. Compared with the traditional method, the permeability of the quartz glass melt of the present application far exceeds that of the high-purity quartz sand obtained by conventional technology, using the high-purity quartz sand of the present application to prepare a 12-inch high-purity quartz crucible, the crucible slice shows obvious transparent layer, the whole is uniform, the boundary is clear, the bubble degree (mm 2 ) < 140, and the transparency (%) > 90.

The application relates to the technical field of air purification, in particular to an air purification equipment for industrial production. The air purification equipment comprises a purification barrel and the like; four foot supports are arranged at the lower end of the purification barrel; a bottom disc is arranged at the bottom end of the purification barrel; an air outlet pipe is connected to the top end of the purification barrel; a particle sensor and an electromagnetic valve are arranged in the air outlet pipe; two groups of fixing frames are fixedly connected to the inner wall of the purification barrel; a centrifugal barrel is fixedly connected to the upper fixing frame; a double-shaft motor is arranged in the centrifugal barrel; the double-shaft motor is fixedly connected to the lower fixing frame; and an output shaft of the upper end of the double-shaft motor is fixedly connected with a centrifugal fan. The third fan in the air inlet pipe drives the cleaning ring to automatically scrape and clean the outer wall of the centrifugal barrel and the inner wall of the purification barrel during the operation of the equipment, so that the particle pollutants are effectively prevented from adhering and accumulating.

The utility model discloses a multistage granularity grading equipment relates to gas purification and industrial dust removal equipment technical field, including jar body, the support mechanism of fixed setting in the lower part of jar body peripheral wall, the conical cylinder of fixed setting in the inside of jar body, set up multistage gradient filter assembly on the conical cylinder, set up on the conical cylinder upper end and inside on -line dust cleaning disturbance mechanism, the first grading dust collecting chamber and second grading dust collecting chamber of fixed sleeve joint in the upper part of jar body from top to bottom in proper order, the first scrape and drop material -removal mechanism of setting in the first grading dust collecting chamber, set up the airtight dust collection mechanism of the first grading dust collecting chamber lower extreme and set up the second scrape and drop material -removal mechanism in the second grading dust collecting chamber. The utility model can realize the efficient depth purification of dust -bearing gas, and the purified gas can be directly discharged up to standard, and dust is classified according to particle size at the same time, and the resource is recovered, has the advantages of on -line anti -blocking, full -sealing continuous operation, high degree of automation, wide application range.

The application discloses a preparation method of a functionalized rare earth mineral-based autotrophic denitrification material and application of the material in purification of fluorine-rich black and odorous water bodies. The application adopts cement as a binder and a pH buffer, and uses waste fruit kernels as inner cores, and the waste fruit kernels have a carbon source slow-release effect; nano zero-valent iron composite material and nano zero-valent aluminum composite material are used as pore-forming agents, and are mixed with nano zero-valent sulfur composite material and nano rare earth composite material to prepare a porous rare earth / sulfur mineral biological carrier material. The composite material has a large specific surface area and high porosity. The porous rare earth / sulfur mineral biological carrier material is added into a fluorine-rich black and odorous water body which needs to be deeply purified, and is used as an electron donor in a filter tank of the fluorine-rich black and odorous water body to reduce nitrate nitrogen into nitrogen gas to achieve denitrification. Meanwhile, lanthanum ions, cerium ions, calcium ions, iron ions and aluminum ions are complexed with phosphate ions and fluorine ions in the black and odorous water body to simultaneously remove fluorine and phosphorus.

This utility model discloses a multi-stage purification and filtration device for mineral water, belonging to the field of mineral water filtration. It includes a filter box, with a heating chamber fixedly connected to the outer wall of the filter box. The heating chamber has an internal cavity containing a heating coil. A lifting rod is fixedly connected to the outer wall of the heating coil, and a rack is fixedly connected to the outer wall of the lifting rod. One side of the rack meshes with the outer wall of a gear, and the inner wall of the gear is connected to the output end of a motor. This multi-stage purification and filtration device for mineral water, by incorporating the lifting rod, rack, gear, and heater, heats the mineral water during use, reducing the viscosity of the suspension in the mineral water and thus increasing its flow rate, thereby improving the filtration efficiency. Furthermore, the lifting and lowering movement of the heating coil ensures uniform heating of the mineral water, thereby maintaining the stability of the water flow rate.

The utility model discloses energy-saving waste gas dust-removing environment-friendly equipment, and relates to the technical field of dust-removing environment-friendly equipment, the energy-saving waste gas dust-removing environment-friendly equipment comprises a dust-removing box body, the upper end of the dust-removing box body is provided with a dust-removing device, and one side of the dust-removing box body is connected with an adsorption device; the other side of the adsorption device is connected with the discharge device; according to the utility model, the activated carbon filter plates in the adsorption device are arranged in a rectangular array manner, so that the contact area and the contact time of waste gas and the activated carbon filter plates are increased, residual harmful gas and fine particles in the waste gas can be fully adsorbed, deep purification of the waste gas is realized, and the waste gas emission reaches a higher environmental protection standard; a plurality of top maintenance doors are arranged on the filter box, so that workers can conveniently check, replace and maintain the activated carbon filter plate, and the normal operation of the equipment is ensured.

The invention discloses a robot grabbing deviation correction method based on a 3D camera, and belongs to the technical field of industrial robot automatic control and vision measurement. Aiming at the problems of grabbing position offset and unstable round hole feature extraction caused by tray placement deviation, illumination variation and robot attitude error, the method comprises the following steps: collecting and positioning round hole point cloud at the tail end of a robot, realizing point cloud preprocessing by utilizing normal vector estimation, statistical filtering, clustering separation and edge extraction, and finishing coarse registration based on 4PCS; performing weighted fusion positioning on the circle center by combining GICP point cloud registration and RANSAC circle fitting; and then a perspective transformation matrix is constructed according to the final circle center and the theoretical circle center, and two-dimensional perspective correction is conducted on all grabbing point positions in the material disc. The center positioning stability and the overall grabbing precision can be improved under the complex working condition, and the manipulator is suitable for the fields of robot grabbing, material carrying, assembly positioning and the like in automatic production.

This utility model discloses a purification device for a smokeless hot pot table, including a tabletop, a housing, an oil fume separation device, a negative pressure generating device, a catalytic purification device, a heat dissipation device, and an intelligent control device. The tabletop is located on top of the housing, while the oil fume separation device, negative pressure generating device, and catalytic purification device are all located inside the housing. The heat dissipation device is located on the side wall of the housing. The oil fume separation device, negative pressure generating device, catalytic purification device, and heat dissipation device are all electrically connected to the intelligent control device. This device has a compact overall structure, is integrated into the cooking table, saves space, and has advantages such as high-efficiency purification, energy saving and noise reduction, and convenient maintenance. It can effectively solve the problems of traditional external oil fume treatment equipment, such as large space occupation, incomplete purification, and high energy consumption, and meet the environmental protection and comfort requirements of modern catering.