176results about How to "Improve filtration and purification effect" patented technology

The present invention relates to a zirconium oxide foamed ceramic filter. It is made up by adopting the following steps: using zirconium oxide, aluminium oxide, calcium oxide and yttrium oxide to form ceramic powder, adding methyl cellulose, polyvinyl alcohol and water to prepare slurry, using soft polyurethane foamed plastics as carrier, impregnating said carrier with said slurry, extruding to obtain blank material, drying and sintering so as to obtain the invented zirconium oxide foamed ceramic filter. The invented foamed ceramic filter has good high-temperature stability and thermal shocking resistance in the high-temperature molten steel, does not contaminate alloy and can obtain good filtering purification effect.

The invention discloses an yttria foamed ceramic filter and a preparation method thereof. The principal crystalline phase of the filter is yttria. The preparation process of the filter comprises the following steps of: mixing yttria or yttria and additives which are used as raw material with an adhesive, a dispersant and deionized water to prepare slurry; soaking the slurry with soft polyurethane foam which is used as a carrier, extruding and centrifuging to prepare a plain blank; and drying and sintering to obtain a finished product. The yttria foamed ceramic filter of the invention can be used for filtering a high-temperature high-activity alloy and has favorable high-temperature strength, thermal stability, thermal shock resistance and high-temperature chemical stability without alloy pollution, favorable capability of filtering impurities in a high-temperature high-activity alloy solution and good filtering and purifying effects.

The present invention relates to an aluminium oxide foamed ceramic filter with special high-temperature chemical stability. Said aluminium oxide foamed ceramic filter is made up by adopting the following steps: using magnesium oxide, boron carbide and boron trioxide to form ceramic powder, then adding methyl cellulose and water to prepare slurry, using soft polyurethane foamed plastics as carrier, impregnating said carrier with said slurry, extruding to make blank material, drying and sintering so as to obtain the invented magnesium oxide foamed ceramic filter. The invented foamed ceramic filter has good high-temperature stability in the molten magnesium alloy, does not contaminate alloy and possesses good filtering and adsorption efficiency for removing oxide impurity and flux impurity form molten magnesium alloy, so that its filtering purification effect is good.

The invention relates to an air purification device utilizing mosses. The device comprises a housing. An air inlet and an air outlet are respectively arranged on two ends of the housing. Blowers are arranged on the air inlet and the air outlet. Mosses used for purifying air are arranged in the housing. The part of the housing provided with mosses is manufactured by using a transparent material. A fill light and an atomizer are arranged in the housing. The device provided by the invention has a reasonable design. With artificial light supplement and a moisturizing device, moss annual indoor growth is facilitated. Also, with biological characteristics of tiny leaves, large specific surface area, and leaf absorption of mosses, the filtration function of mosses is sufficiently developed, and good air purification and oxygen circadian release functions are provided. Therefore, the air purification device can provide aerobic and fresh air. The moss scene and the filtration materials are combined. As a decoration, the device is beautiful and natural. The device works actively circularly day and night, and a filtration purification effect is better.

The invention provides a rainwater collection device and relates to rainwater collection and recycling in the field of environment protection, in particular to a device for collecting rainwater by means of workshops in industrial and mining enterprises. The device comprises a collection plate, a water division pipe and a water storage tank, wherein a primary filtering device, a purified water activation device and an impurity discharge barrel device are sequentially mounted between the water division pipe and the water storage tank. With the adoption of the structure, when an impurity discharge barrel is filled of water, the weight of water above the eccentric shaft is larger than that of water below the eccentric shaft, the impurity discharge barrel automatically overturns under the action of the gravity, and water in the impurity discharge barrel is poured out; after water in the impurity discharge barrel is completely poured out, the impurity discharge barrel returns to the original position under the action of gravity, a switch contact is in an open state, and the impurity discharge barrel becomes a water channel. With the adoption of the device, various impurities or sewage flowing down from the collection plate originally are effectively treated in the rainwater collection process, and the following filtering efficiency is effectively improved. The device is simple in structure, practical and efficient, the filtering purifying effect is improved, rainwater can be widely used after primary treatment, and the use range of rainwater is greatly widened.

The invention relates to a portable air purifier, which is mainly characterized in that: an air filtration and purification unit at least comprising one or more filter assembly, a fan and an air velocity control unit are arranged in a purifier shell; the air is sucked through an air inlet at one end of the shell by means of the fan, most harmful impurities in the air are filtered and purified by the air filtration and purification unit to obtain air with high purification effect, and the purified air is discharged through an air outlet at the other end of the shell; a guide pipe is connected at the air outlet, and the other end of the guide pipe is provided with a nostril plug capable of being plugged into the nostril, so that the air velocity of the purified air is adjusted actively by means of the air velocity control unit in an automatic or manual mode; and the air is directly guided into the nostril under proper air pressure, so that a user can easily breathe the purified air. By means of the design, the portable air purifier can be used by sports persons, patients, pedestrians, outdoor activity personnel, epidemic area working and living persons, medicinal personnel, firefighters, armies and the like.

The invention discloses a water feeding device suitable for animal husbandry industry in a karst region and a method of using the same. The water feeding device comprises a water tank and a drinking trough, the bottom of the water tank is provided with a water inlet communicated with the drinking trough, an outflow rubber plug movable up and down is arranged in the water inlet, a connecting cord that is connected to the outflow rubber plug is passed around two fixed pulleys disposed on the drinking trough and the water tank and is connected to a first floater, the first floater floats on water in the drinking trough, and the water tank is also connected with a mechanical automatic water supplement device. The outflow rubber plug and the first floater enables mechanical automatic water supplement for the drinking trough, less manual observation is required, no electricity supply is required, energy use is more economical, labor cost is lower, water interruption due to power outage is avoided, water supply is more continuous, the structure is simple, the cost is low, water supplement is more time-saving and labor-saving, and automatic water supplement also allows for saving of water resource; the water feeding device also has the advantages of simple structure, low cost and good convenience in manufacture, use and maintenance.

The invention discloses automatic treatment equipment for sewage treatment, and relates to the technical field of sewage treatment equipment.The automatic treatment equipment comprises a treatment box body and further comprises a centrifugal box body, a stirring assembly, a filtering assembly and an aeration assembly; the centrifugal box body is rotationally installed in the treatment box body, a feeding pipe is arranged between the top walls of the treatment box body, a feeding ring hole connected with the feeding pipe in a matched mode is formed in the top wall of the centrifugal box body, and sewage to be treated is added into the centrifugal box body through the feeding pipe and the feeding ring hole;the centrifugal box body is driven to rotate; sewage and a chemical agent are mixed and stirred by the centrifugal box body and a plurality of groups of stirring parts arranged in the centrifugal box body, so that the mixing and stirring effect is effectively improved; in the operation process of the piston cylinder, the sewage is aerated through the aeration assembly, and the annular adsorption cavity adsorbs impurities in the sewage again, so that the filtering and purifying effects of the sewage are effectively improved.

This invention discloses a method for utilizing granular ceramic filter materials in treating wastewater of iron and steel industry. The method comprises: filling granular ceramic filter materials into the filtration tank of treatment apparatus of wastewater of iron and steel industry, performing a first time sedimentation and a second time advection sedimentation on wastewater of iron and steel industry, sending into the filtration tank from the top, intercepting and adsorbing by the granular ceramic filter material, separating water and pollutants, and discharging clear water. The granular ceramic filter materials comprise haydite filter material, porcelain sand filter material, and ceramic ball filter material. The method utilizes granular ceramic filter materials to replace oval, quartz sand and anthracite filter materials, and thus has such advantages as simple process, low production cost, high treatment efficiency, good working environment, good filtration and purification effect, clear filtered water, long filter material usage cycle, low yearly filter material cost (saved by 40-50%), high filtration and sewage interception ability (raised by more than 30%), and zero wastewater discharge.

The invention discloses an air conditioner filter net comprises a body. A ceramic base composite coating, an aluminium oxide coating and an antistatic coating are sequentially coated on the outer surface of the body from inside to outside; mounting seats are fixedly connected on the periphery of the outer surface of the body; mounting holes are formed in the inner surfaces of the mounting seats; a first filter net body is movably connected with the front end of the inner surface of the body through a spring; a photocatalyst layer is fixedly connected with the middle end of the inner surface of the body; and an ultraviolet germicidal layer is fixedly connected with the rear end of the inner surface of the body. According to the air conditioner filter net, the first filter net body is movably connected with the front end of the inner surface of the body through the spring, the photocatalyst layer is fixedly connected with the middle end of the inner surface of the body, the ultraviolet germicidal layer is fixedly connected with the rear end of the inner surface of the body, and an ultraviolet lamp is fixedly connected with the inner surface of the ultraviolet germicidal layer, so that the problems that the filtering and purifying effect of an existing filter net is unsatisfactory, and using of people is inconvenient are solved.

The invention relates to the technical field of environment protection equipment and discloses an industrial combustion coal gas filtering and purification device. The industrial combustion coal gas filtering and purification device comprises a bottom plate, wherein an air blower is fixedly mounted at one side of the top of the bottom plate; an air conveying pipe fixedly sleeves an output end of the air blower; a filtering tank is fixedly connected with one end of the air conveying pipe; one end of the air conveying pipe penetrates through and extends into the filtering tank; the bottom of thefiltering tank is fixedly mounted at the top of the bottom plate; and an air feeding pipe, which is located just above the air conveying pipe, fixedly sleeves the middle of one side of the filteringtank. According to the industrial combustion coal gas filtering and purification device disclosed by the invention, the filtering and purification device is internally provided with a steam turbine and a power generator; hot gas produced by industrial coal combustion is guided into the steam turbine through an exhausting pipe and the hot gas drives a fan blade in the steam turbine to rotate; and the fan blade drives a bearing to rotate and the bearing drives the power generator to rotate, and power is generated through the power generator, so that the aim of utilizing waste gas of the industrial combustion coal gas filtering and purification device is realized.

The invention discloses a ceramic atomizing head. The atomizing head comprises an atomizing sleeve, an atomizing frame, heating wires and an oil guide component, wherein the oil guide component is of a hollow cylindrical structure, the heating wires are of spiral spring-like structures, and arranged in the oil guide component, the lateral surfaces of the heating wires are wrapped and wound by an inner cylinder of the oil guide component, the oil guide component is arranged in the atomizing sleeve, the atomizing sleeve is matched and pressed tightly with the atomizing frame, an oil inlets uniformly distributed on the lateral surface of the atomizing sleeve are formed in the atomizing sleeve, the oil guide component comprises a cylindrical ceramic core with a cylindrical through hole, a multi-pore structure is arranged on the cylinder wall of the ceramic core, tobacco tar can be filtered and permeated to the other side of the cylinder wall through one side of the cylinder wall, and the heating wires are located inside the cylindrical through hole of the ceramic core. The ceramic atomizing head disclosed by the invention has the advantages of being environment-friendly, healthy and free of peculiar smells, high in smoke stability, good in user experience, strong in safety performances, convenient in use and long in service life and further wide in matching and applicability.

The invention discloses a self-circulation chemical air filtering method and filtering equipment thereof. The filtering equipment comprises a filtering equipment box body, a primary filter, a chemical filtering segment A, a blower, a chemical filtering segment B and a medium efficiency filter; the filtering equipment box body is of a vertical square structure, and the air inlet segment is composed of an air inlet shutter; the primary segment is formed by the primary filter, and the medium efficiency segment is formed by the medium efficiency filter; the air outlet segment is composed of an air outlet shutter; the chemical filtering segment A is welded and fixed above the primary segment, a blower segment is welded and fixed above the chemical filtering segment A, and the blower and a blower base are arranged in the blower segment; access doors are arranged at parts corresponding to the functional segments on the facade of the filtering equipment box body; the filtering equipment disclosed by the invention can be independently arranged indoors, the manufacturing cost is low, the installation is simple, and PM10 and PM2.5 granules and such chemical gases as SO2, NOx, formaldehyde, VOC can be effectively removed; the self-circulation air quantity is large enough to solve the problem that a fresh air filtering system cannot effectively purify indoor air.

The invention relates to the technical field of grinding oil processing equipment, and discloses an environment-friendly and energy-saving grinding oil filtering device. The environment-friendly and energy-saving grinding oil filtering device comprises a device body, wherein a deck is fixedly connected to the top of the device body, a clamp board is connected to the inner side of the deck, and a leak hole is formed in an inner cavity of the clamp board; a filter screen is fixedly connected with the inner side of the leak hole, and both sides of the top of the clamp board are fixedly connectedwith two sides of the bottom of a processing funnel; material inlets are formed in both sides of the top of the processing funnel, a motor is fixedly connected with the middle of the top of the processing funnel, and the bottom of an output shaft of the motor is fixedly connected with a stirring shaft; one end of the bottom of the stirring shaft runs through the processing funnel and is fixedly connected with the middle of the top of the clamp board. According to the environment-friendly and energy-saving grinding oil filtering device, the stirring shaft and stirring blades are driven to rotate by the motor, so that grinding oil in the processing funnel can be stirred so as to precipitate impurities in the grinding oil, and then the grinding oil is filtered through the leak hole and a sieve.

The invention discloses an energy-saving and environment-friendly municipal sewage treatment device, which belongs to the technical field of municipal sewage treatment, and comprises a body, a supportframe, a second electric telescopic rod, a sludge discharge chamber, a stirring blade, a biological purification film, a confluence cover and a spiral heat exchange pipe; a support plate is arrangedin the body, and the sludge discharge chamber is arranged above the support plate and between the support plate and the body; a second electric telescopic rod is mounted on the inner wall of the rightside of the sludge discharge chamber, and a sludge pressing plate is mounted on the left side of the second electric telescopic rod; a stirring chamber is arranged below the supporting plate, a motoris installed on the left side of the stirring chamber, and a rotating shaft is installed on the right side of the motor; a purification chamber is arranged on the lower portion of the interior of thebody, a plurality of biological purification films are evenly distributed in the purification chamber, a spiral heat exchange pipe is arranged in the purification chamber, the feeding pipe is connected with the left side of the spiral heat exchange pipe, and the right side of the spiral heat exchange pipe is connected with a discharging pipe. Waste heat of sewage can be recycled through the arranged spiral heat exchange pipe, and more energy is saved and more environment is protected.

The invention discloses a spiral type low elevation greenbelt capable of efficiently reducing runoff pollutants,belonging to the field of rainwater pollution control. The spiral type low elevation greenbelt capable of efficiently reducing runoff pollutants mainly comprises the spiral type low elevation greenbelt and a reverse cone-shaped water retaining filtering wall, wherein the spiral type low elevation greenbelt is composed of a spiral type plant zone and a low elevation greenbelt bottom plant zone; the water retaining filtering wall is composed of 2-3 layers of stone grains made from different materials from outside to inside. The reverse cone-shaped water retaining filtering wall in the spiral type low elevation greenbelt can preliminarily intercept and filter the runoff pollutants seeped from the periphery; in combination of the design for the shape and slope of the spiral type plant zone, under the effect of gravity, the rainwater and the upstream direct surface runoff water entering the low elevation greenbelt all spirally flow and infiltrate, so that the seepage time and the seepage path of the incoming water can be greatly prolonged and the capability of the low elevation greenbelt to reduce the upstream runoff pollutants can be promoted. According to the spiral type low elevation greenbelt, the hydraulic load caused by initial rainwater runoff pollution can be effectively relieved, the downstream water-draining pressure can be reduced, and the spiral type low elevation greenbelt has obvious social, environmental and economic benefits.

The invention discloses an air micro-nano particles-filtering and purifying device. The device comprises an upper cover, a housing body, a filtration device arranged in the housing body, an air blower, a rotating air-outlet device and a base, wherein the housing body adopts a cylindrical form; the upper cover is arranged at the upper part of the housing body; an air inlet zone is arranged at the lower part of the housing body; the filtration device is arranged inside the housing body; a purification chamber is arranged inside the filtration device; the base is arranged at the bottom of the purification chamber; the air blower is arranged on the inner side of the purification chamber; a groove is formed in the lower surface of the base; a foldable handle is arranged inside the groove; the foldable handle is fixedly connected with the rotating air-outlet device arranged above the upper cover through a rotating shaft on the air blower. The device is simple and compact in structure and easy to operate and can effectively remove the pollutants in air; the device is low in power consumption and saves electric energy; with high purification efficiency, the device can realize air purification without using various catalysts, so as to significantly reduce production cost; the device is wide in application range.