56results about How to "Realize self-purification" patented technology

A negative-pressure isolated sickroom for infectious disease patient is composed of patient room, individual toilet room and the wind showering buffer room. An adjustable louver window as air channel is arranged on the wall between said toilet room and wind showering buffer room. The fresh air outside the sickroom flows through air conditioner, fan, filter and channel into patient room and wind showering buffer room, and then through said louver window in said toilet room. It can prevent cross infection.

The invention discloses an ecological restoration structural system and a restoration method for a lakeside zone. The ecological restoration structural system for a lakeside zone is provided with a planting plant zone and a physical substrate zone in sequence along a direction from a bank slope to a lakeside center, and a wave resistance device is arranged in an arranging region of the planting plant zone. According to the ecological restoration structural system and the restoration method for a lakeside zone, the ecological physical substrate is built in the lakeside zone, and the problem of harmonious coexistence of aquatic plants and the physical substrate is effectively solved.

The invention discloses a land-based pond system with functions of purifying breeding drained water and breeding. The land-based pond system comprises a land-based pond breeding area, a land-based pond water inlet ditch, a land-based pond water draining ditch and a purifying breeding pond, wherein the land-based pond breeding area is taken as a breeding main body; water is charged through the land-based pond water inlet ditch, and drained through the land-based pond water draining ditch; the tail end of the land-based pond water draining ditch is connected with the purifying breeding pond; the purifying breeding pond is partitioned into a foam separating and ecological purifying area, a purifying breeding area and a sediment area according to different purifying functions; the foam separating and ecological purifying area is provided with a foam separator and an ecological purifying pond which are connected in sequence. By adopting the land-based pond system, ecological complementation among bred organisms is fully utilized, an ecological repairing and self-cleaning function acting inside a mode system is brought into play by adjusting a breeding production mode, self-purification of breeding drained water in the system is realized, and pollution on an external environment caused by breeding is lowered.

The invention relates to a preparation method of an adsorbing visible light catalytic material used for air pollution management. Particularly, coal gangues, asphalt powder and tourmalines are used as raw materials to prepare an active carbon-zeolite compound with perpetual negative charges, and the active carbon-zeolite compound is used as a carrier of a WO3/TiO2 catalyst to be synthesized into the adsorbing visible light catalytic material. In the composite material, the tourmalines naturally carry the perpetual negative charges, and PM2.5 with positive charges in the air can be continuously and efficiently adsorbed; the active carbon-zeolite compound generated by the coal gangues has the super-large specific surface area, and also has the hydrophily of zeolite and the lyophobic property of active carbon, so that the active carbon-zeolite compound has good specific adsorption property on polar pollutants in the air and lyophobic VOCs substances and the like; and the adsorbed pollutants can be degraded and removed by the WO3/TiO2 catalyst under the illumination of sunlight. The product can be used for the technical field of an outer wall coating and keeps self-clean after being washed by rainwater, so that the continuous efficient purification on the pullulated air is realized.

The invention belongs to the field of flue gas purification treatment, and particularly relates to a sludge drying flue gas treatment system for a municipal sewage treatment plant. The flue gas treatment system comprises an induced draft fan, a flue gas cooling and backwashing system, a biological washing and biological filtering pond system, an exhaust deep treatment system, a backwashing system and an acid or alkaline solution adding system. The invention further discloses a process for treating flue gas by adopting the flue gas treatment system. The sludge drying flue gas treatment system provided by the invention has a very strong effect on removing the components of VOCs, hydrogen sulfide and ammonia gas. The system provided by the invention is in accordance with the idea of clean production, and has the characteristics of energy conservation, high efficiency, simple device, low operating and maintaining cost, no secondary pollution and environment friendliness.

The invention relates to a micro-ecological activation system for water treatment. The micro-ecological activation system comprises a porous adsorption and in-situ micro-ecological activation materialand an ultrafine porous adsorption and in-situ micro-ecological activation material; and the porous adsorption and in-situ micro-ecological activation material and the ultrafine porous adsorption andin-situ micro-ecological activation material contain nutrients and trace elements, needed by microorganisms. A bag made from a porous easy-adsorption material is filled with the above components to form a micro-ecological activation bag. The system and the bag are suitable for purifying various water environments. A biotechnology and a new material technology are organically combined, nutrients are provided to rapidly breed indigenous microorganisms in the water environment, including bacteria, actinomycetes and prokaryotes in order to form bio-flocs and a multilayer biofilm, and in-situ treatment of pollutants is realized by the denitrification of the microorganisms and the establishment of an efficient food chain in order to repair the ecosystem, restore the self-purification ability ofwater and form a microbial in-situ culture purification system.

An engineered dephosphorylating strain of bacillus is configured through slant culture in beef paste-pepton culture medium, eluting the activated bacteria with physiological saline or buffering phosphoric acid solution to obtain the bacillus suspension, centrifugal separation to collect the spores, diluting with physiological saline or buffering phosphoric acid solution, coating on aseptic glass,drying, implanting ion beams in the bacillus, and eluting.

The invention discloses a method for biologically purifying an eutrophic water body. The method particularly comprises the following steps: independently culturing a microbial flocculant, a compound enzyme preparation, and a compound microbial preparation by use of a fermentation tank culture medium; mixing the microbial flocculant, the compound enzyme preparation and the compound microbial flocculant in proportion to obtain a microbe, then adding water with 10 times of weight, uniformly mixing, and restoring the water body into a transparent state by adding a predetermined quantity of microbes to every ton of a target water area; restoring a submerged plant in the target water area to keep the water body in a stable and clear state; and adding an aquatic animal to the target water area to enhance the biological diversity of the water body and keep the ecological stability of the current water body. The method disclosed by the invention can be used for thoroughly improving the water quality and restoring the ecological balance of the water body by forming a multi-stage effect through the combined action of the microbe with a synergistic function, the submerged plant and the aquatic animal and has the advantages of easiness for operation, low cost, no biological side effect and no secondary pollution generation.

The invention discloses a raw grain insect detection apparatus and method. The apparatus comprises a grain-insect screening and separating device, a weighing device, an insect collecting device, an electrostatic dedusting device, a machine visual device, a control unit, and a data processing unit. The grain-insect screening and separating device separates raw grains and insects by adopting a cyclone sieve and has the characteristics of high efficiency and convenience in discharging. The detection apparatus is self-cleaned through an electrostatic dedusting mode, and at the same time, insects and dust are separated. A phase locking technology is adopted, and image collection of a camera and synchronous phase locking of a light source are realized. Under the situation that a conventional camera is used, the signal-noise ratio and time resolution are greatly improved. A weighing apparatus is used, and the data can be analyzed more comprehensively.

The invention discloses a cleaning line for crankcases. The cleaning line comprises a base body; an electric cabinet for general control over circuits is installed on the side edge of the base body; the base body is provided with a crank conveying mechanism; the base body is sequentially provided with a degreasing spraying and cleaning mechanism, a washing mechanism and a drying mechanism above the crank conveying mechanism; the base body is provided with a lower degreasing spraying mechanism below the crank conveying mechanism; the degreasing spraying and cleaning mechanism comprises a first cavity, and an ultrasonic cleaning probe and an upper degreasing spraying pipe are installed on the inner side of the first cavity. According to the cleaning line for the crankcases, degreasing cleaning and ultrasonic cleaning are adopted, and therefore stains can be separated from the surfaces of cranks; the stains are directly removed through washing by clean water, clean gas is directly adopted for hot drying after cleaning, and therefore the cleaning line can be cleaned, and the purification efficiency of the cranks is high through automatic control.

The invention provides an earphone cable outer wall cleaning device combining a drying cleaning mode and a washing mode and relates to the field of earphones. The earphone cable outer wall cleaning device combining the drying cleaning mode and the washing mode comprises a fixed washing shell. A drying side shell is bonded to the side wall of the fixed washing shell. Made bottom discs are bonded tothe bottom two sides of the fixed washing shell correspondingly. A back protection shell is arranged on the back of the fixed washing shell. A storage battery and a motor are bonded in the back protection shell. A dust wiping mechanism is arranged in the fixed washing shell. According to the earphone cable outer wall cleaning device combining the drying cleaning mode and the washing mode, the twosides of an earphone cable are clamped and wrapped by a dust wiping rubber wheel controlled by the motor to rotate, and a rubber plate, the dust wiping rubber wheel and the rubber plate rubs againstthe earphone cable slidably, dust on the earphone cable is wiped, the motor controls an arc-shaped sliding rod to drive top side sponge at the bottom to do reciprocating motion ceaselessly, the top side sponge is matched with bottom side sponge, the earphone cable extending into the fixed washing shell is washed, and damage to the earphone cable due to pulling of manual washing is avoided by washing in the mechanical mode.

The invention discloses a circulating water self-cleaning structure of a washing tower. The structure comprises a washing tower and a filtering device, wherein an air inlet inclined pipe is arranged on one side of the washing tower; an air outlet is formed in the top of the washing tower; a water purification bin is arranged inside the washing tower; a washing bin is arranged at the top of the water purification bin; a water pumping pipe is arranged inside the washing bin and the water purification bin; a first water pump is arranged on the water pumping pipe; a water outlet plate is arrangedbetween the washing bin and the water purification bin; a water outlet inclined pipe is arranged on one side of the water outlet plate; a first washing layer, a second washing layer and a third washing layer are arranged inside the water purification bin; shunt pipes are arranged at the bottoms of the first washing layer, the second washing layer and the third washing layer; and spray heads are arranged at the bottoms of the shunt pipes. The filtering mechanism is externally arranged, and a first filtering group and a second filtering group can be disassembled and cleaned separately or used alternatively, so that the filtering mechanism can be cleaned without stopping the operation of the washing tower, and the filtering operation of the washing tower is not affected.

A filtering purifying method and device for light alloy melt heavy infiltration solid inclusions. The device comprises a crucible, a partitioning plate in the crucible, a support frame, and a filtering pore plate; a crucible molten pool is partitioned into a pre-treatment chamber, a filtering chamber, and a post-treatment chamber; the filtering pore plate in the filtering chamber inclines in the post-treatment chamber direction and is placed on the sealed support frame, and an included angle between the filtering pore plate and the crucible molten pool surface is more than 0 degree and less than 90 degrees. Light alloy melt from the pre-treatment chamber flows through the filtering chamber from bottom to top at a low speed; heavy infiltration solid inclusions in the light alloy melt are blocked by the filtering pore plate to be below the filtering pore plate so as to realize the purification of the melt solid inclusions; the inclusions accumulated below the filtering pore plate aggregate and fall with the increase of the accumulating amount, and thus self-purification of the filtering pore plate is realized. The filtering method solves the problem of filtering efficiency attenuation for filtering media caused by obstruction of filtering pores by solid inclusions in metal melt filtering and purification, enables the purification process to run continuously, and reduces the purification maintenance cost and workload.

The invention relates to an oil pollution self-cleaning ceramic tile and a manufacturing method thereof; the oil pollution self-cleaning ceramic tile comprises a ceramic tile substrate, and a layer of oil pollution self-cleaning layer is fired on the positive surface of the ceramic tile substrate, the average thickness of the oil pollution self-cleaning layer is 0.5 to 1.5mm, and the manufacturing method comprises the steps of manufacturing the ceramic tile substrate, steps of manufacturing oil pollution self-cleaning layer slurry and steps of firing ceramic tiles. The oil pollution self-cleaning ceramic tile can realize the efficient decomposition and self-cleaning of oil pollutions which are adhered on the surface of the ceramic tiles, thus guaranteeing the neatness and health of kitchen walls effectively; the oil pollution self-cleaning ceramic tile without manual cleaning which can reduce the working strength of family cleaning greatly is beneficial to improve the life environment and increase the life quality; the oil pollution self-cleaning ceramic tile is simple in manufacturing technique, easy in manufacturing the oil pollution self-cleaning layer slurry, low in cost and considerable in economic benefit. The oil pollution self-cleaning ceramic tile and the manufacturing method of the invention provide a cleaner and more environmental new product and a preparation method for the home building material field.

The invention relates to an integrated portable water purifier. The integrated portable water purifier is characterized in that: a water charge pipeline (1), a member assembly (7), a drain discharge pipeline (8), a water generation pipeline (12), and a backwashing pipeline (13) are arranged in a water purifier housing (19); the member assembly (7) has a cylindrical structure, an ultrafiltration membrane is arranged in the member assembly (7), a drain outlet is arranged on the top of the member assembly (7), a water generation port is arranged on the upper part of the side surface of the member assembly (7), a backwashing port is arranged on the lower part of the side surface of the member assembly (7), and a water inlet is arranged on the bottom of the member assembly (7); the water charge pipeline (1) is connected with the water inlet; the drain discharge pipeline (8) is connected with the drain outlet; the water generation pipeline (12) is connected with the water generation port; and the backwashing pipeline (13) is connected with the backwashing port. Compared with the prior art, the integrated portable water purifier of the invention has the advantages of large water generation amount, stable and reliable water quality, accordance of water quality requirements of drinking water, strong anti-impact loading capability of equipment, suitableness of drinking water demands of collective outdoor activities of a group of a certain number of humans, strong pollution resistance, convenient replacement of the membrane assembly, high integration degree, small occupied area, and reasonable space utilization rate.

The invention provides intelligent dedusting equipment in chemical industry production. The equipment comprises a base, universal wheels, an exhaust fan, a self-purification mechanism, an electrical control cabinet, a handle, a dedusting mechanism and a dust collection box. According to the intelligent dedusting equipment, through arrangement of the self-purification mechanism, a flow guide groove, the universal wheels and the handle, the electrical control cabinet controls an air compressor to be powered on for running and controls an electromagnetic valve to be powered on for switching on, compressed air is sprayed out from spray nozzles through an air pipe, dust on a cloth bag is removed, and the dust falls into a dust collection hopper from the interior of the flow guide groove under the gravity effect; the self-purification process of the cloth bag is achieved, the dedusting efficiency of the cloth bag is improved, gas containing dust enters the dedusting mechanism through the exhaust fan and is pre-separated under the effect of the flow guide plate, the situation is reduced that the cloth bag is worn by the dust, the service life of the cloth bag is prolonged, by arranging the handle and the universal wheels, the dedusting equipment is conveniently moved and used, and the application range of the dedusting equipment is enlarged.

The invention belongs to the technical field of nonferrous metallurgy. The invention relates to tellurium dioxide, in particular to a method for producing high-quality tellurium dioxide through self-purification of crude tellurium powder. The method comprises the following steps: carrying out pressurized oxidation-pressure boiling treatment on a material containing crude tellurium powder by utilizing a reaction container; after the reaction is finished, filtering a reaction product to obtain autoclaved liquid, and carrying out oxidation neutralization on the autoclaved liquid for selenium removal, thus preparing high-quality tellurium dioxide residue serving as a raw material for following production of 4N tellurium; according to the method, self-purification of impurities in the crude tellurium powder is achieved through oxidation neutralization after pressurized oxidation-pressure boiling treatment, the content of impurity elements in the produced tellurium dioxide can be remarkablyreduced, the quality of the tellurium dioxide is improved, and the subsequent refined tellurium production technological process is shortened. The method is short in process and low in cost, the effect of improving the quality of tellurium dioxide produced by taking crude tellurium powder as a raw material is obvious, and the obtained tellurium dioxide slag contains more than or equal to 70% of tellurium, less than 0.02% of arsenic, less than or equal to 0.01% of copper, less than or equal to 0.01% of selenium, less than 0.01% of lead and less than 0.03% of tin.