136results about How to "Reduce the purification effect" patented technology

The invention relates to a water-base air purifying device for haze and dust environments. The water-base air purifying device comprises an air suction chamber and a water-base air purifying chamber, wherein a polluted air suction device is mounted in the air suction chamber; an air purifying pond is arranged at the bottom of the water-base air purifying chamber; an ultra-micro bubble generator, a turbidity sensing device and a micro-current electrolyzer are arranged in the air purifying pond; the polluted air suction device is connected with the ultra-micro bubble generator through an air inlet pipe; a water mist generating device and a water mist retaining device are arranged on the upper part of the air purifying pond; the polluted air suction device, the ultra-micro bubble generator, the turbidity sensing device, the micro-current electrolyzer and the water mist generating device are all connected with a control system arranged on one side of the air purifying chamber. The water-base air purifying device for haze and dust environments can be used for effectively purifying particulate matters and poisonous and harmful matters in air and improving the air quality, is fit for haze and dust treatment in various places, such as households, enterprises, schools, bus stations, chemical plants and construction tunnels, and has ultrahigh popularization and application values.

The invention discloses a multistage-series stepped natural-type artificial wetland. The multistage-series stepped natural-type artificial wetland comprises N-stage wetlands, wherein water distribution channels having depths which are sequentially increased along a water flow direction are arranged between every two adjacent wetlands; and the wetland of each stage is sequentially composed of aquatic plants, a soil layer and a matrix layer from top to bottom, and artificial porous permeation tubes are arranged in the matrix layer along the water flow direction. A construction method for the wetland comprises the following steps of: a) excavating a wetland bed body; b) performing anti-seepage treatment; c) filling a matrix and the permeation tubes; d) covering the coil layer; e) building the channels; f) cultivating aquatic plants; and g) purifying a water body. Via the wetland and the construction method for the same, the automatic flowing of sewage is realized, and energy is saved; the water distribution channels and the permeation tubes with different depths are beneficial to the survival of aerobic micro-organisms and anaerobic micro-organisms, thus realizing rapid and efficient purification for sewage; and by distributing the artificial porous permeation tubes, the free permeation of the water body is ensured, the contact surface area is increased, the purification capacity is improved, the blockage of the matrix layer and the eutrophication of the water body are avoided, and the service life of the wetland is prolonged.

The invention relates to a method for treating high-concentration phenol-ammonia coal gasification wastewater. The method takes butyl acetate as an extraction agent and comprises the steps of firstly extracting by use of a phenol extraction tower to remove phenols contained in the wastewater, removing the acid gas and ammonia in the wastewater by use of an acid and ammonia removal tower, and recovering the extraction agent in the extraction phase by use of a solvent stripping tower so as to obtain a crude phenol product from the bottom of the tower. The method provided by the invention realizes high-purity removal of the phenols, acid gas, free ammonia and solid ammonia in the coal gasification wastewater so as to meet the requirement of biochemical treatment on the inflow water quality, and obtains the crude phenol product and high-concentration ammonia gas. Compared with the prior art, the method provided by the invention has the advantages of good extraction effect, high phenol removal efficiency, short process flow and low treatment cost; the method is simple and convenient to operate, and the treatment quality is reliable.

A silica glass member for semiconductor in which each concentration of Fe, Cu, Cr and Ni is 5 ppb or less and the concentration of an OH group is 30 ppm or less and which has a viscosity of 1013.0 poise or more at 1200° C. is provided as a silica glass member for semiconductor having high heat-resistance and higher purity.

The invention discloses a novel compound water treatment agent. According to the formula, the novel compound water treatment agent comprises the following components including, by weight, 2-4 parts of sodium polyacrylate, 25-35 parts of poly-aluminum ferric silicate sulfate, 20-25 parts of starch, 3-7 parts of sodium lignin sulfonate, 3-5 parts of polyepoxysuccinic acid, 5-7 parts of alkyl epoxy sodium carboxylate, 3-5 parts of sodium alginate, 2-5 parts of sodium citrate, 2-7 parts of zinc sulfate, 25-30 parts of sodium silicate, 2-5 parts of hydroxyapatites and 4-6 parts of sodium hypochlorite. The water treatment agent is environmentally friendly, low in cost and good in purifying effect, and can be applied to water treatment of waste water, sewage and the like.

An object of the present invention is to provide an exhaust gas purification catalyst which can minimize the separation of the catalyst layer due to heat and vibration, can suppress thermal deterioration of the catalytic substance, and can exhibit excellent purification capabilities under severe conditions. Specifically, the present invention relates to an exhaust gas purification catalyst wherein an undercoat layer comprising a heat-resistant inorganic oxide having an oxygen-absorbing substance added thereto is formed on a surface of a metallic carrier, and a catalyst-carrying layer is formed on the undercoat layer.

The invention discloses a composite water treatment agent which is prepared from the following components in parts by weight: 1-5 parts of polyacrylamide, 10-20 parts of polyaluminum ferric chloride, 10-20 parts of starch, 2-8 parts of sodium lignosulfonate, 3-9 parts of polyaspartic acid, 2-8 parts of sodium alkyl epoxy carboxylate, 1-5 parts of sodium alginate, 2-6 parts of sodium citrate, 1-5 parts of zinc sulfate, 10-15 parts of sodium silicate, 1-3 parts of phosphorus lime and 1-7 parts of sodium hypochlorite. The water treatment agent disclosed by the invention has the advantages of environment friendliness, low cost and favorable purifying effect, and can be used for water treatment of wastewater, sewage and the like.

The invention relates to a regeneration method for sulphureous alkali residues comprises three parts, namely, SO2 acidification of the alkali residues, extraction and recycling of petroleum acid, and causticization and regeneration, wherein SO2 used in the step of SO2 acidification is SO2-containing gas from a Klaus sulfur production device, meanwhile tail gas of the Klaus sulfur production device is introduced as carrier gas, and acidification is stopped when the pH of acidulous water generated by acidification reaches 2-4. Three phases, including gas, oil and water, are generated in the acidification process, wherein the gas enters the Klaus sulfur production device so as to separate and recycle acid oil, and the water phase is subjected to solvent extraction so as to recycle petroleum acid, and then is causticized with Ca(OH)2 and precipitated to separate calcium sulfite to generate a sodium hydroxide solution which is recycled as alkali liquor for alkali washing of oil. The method provided by the invention has the advantages that the investment is low, the operation condition is mild, sulfide, petroleum acid and sodium ions can be recycled, no odorous gas is discharged, no high-concentration or high-salinity waste liquor flows into a sewage disposal station, and certain economic benefits are achieved.

A honeycomb structural body has cells surrounded by cell walls arranged in a lattice-like shape. A cross section is divided into a central section and an outer peripheral section. The outer peripheral section surrounds the central section through a boundary partition wall. The outer peripheral section is lower in a cell density than the central section. The cells contain imperfectly shaped cells in contact directly with the boundary partition wall. In the imperfectly shaped cells, first specific imperfectly shaped cells are smaller in opening area than second specific imperfectly shaped cells. Each first specific imperfectly shaped cells has an opening area of not more than a predetermined area S=(P−T)²/8. P and T indicate a cell pitch and a thickness of each cell wall, respectively. The opening section of the first specific imperfectly shaped cells is closed by the same raw material of the cell walls.

The invention discloses a waterless and environment-friendly manure collection toilet storing urine and shit separately. A bottom box is arranged; containers for storing urine and shit are arranged in the box; a box door is arranged on one side of the box, defecating and urinating openings and covers are arranged on an upper plate of the bottom box; a urine collection funnel is arranged below the urinating opening; an exhaust pipe and an exhaust fan are arranged at the upper part of a side plate of the bottom box; an upper surrounding plate and a switch door are arranged above the bottom box; steps are arranged beside the bottom box below the switch door; a ventilation fan is arranged at the upper part of the upper surrounding plate; peripheries of box plates and the door of the bottom box are sealed, and peripheries of the covers of the defecating and urinating openings are also sealed; sealing covers controlled by switches are arranged at upper ports of the containers for storing urine and shit, and the covers of the defecating and urinating openings are sealing covers controlled by switches; a front pedal indicating platform, a rear pedal indicating platform and a pedal switch are arranged on the upper plate of the bottom box; and plastic bags are arranged in the containers for storing urine and shit, and a seat support and a disinfecting deodorant sprayer are also arranged on the upper plate of the bottom box. The waterless and environment-friendly manure collection toilet is suitable for construction sites, country areas, water-deficient areas and even water-deficient cities, the structure is simple and complete, the use is convenient, the cost is low, and functions of saving water, protecting environment and collecting manure are particularly prominent.

The invention discloses a novel desulfurization, denitrification, decarburization and dust removal purification combined device for coal-fired flue gas, belongs to the field of environmental protection, and in particular relates to the purification treatment of the coal-fired flue gas. The novel desulfurization, denitrification, decarburization and dust removal purification combined device for the coal-fired flue gas is a complete dry and wet matched purification system for the coal-fired flue gas and comprises a combined purification tower, a desulfurization and denitrification agent adding device, a self-circulating sprinkling system, a PH value adjustor, an automatic flue gas monitoring system and an automatic precipitate cleaner, is a coal-fired flue gas purification facility which integrates a cyclone purification principle, an impact purification principle, a sprinkling purification principle and a water membrane purification principle, can perform desulfurization, denitrification and decarburization on the coal-fired flue gas, also has very good absorption and purification effects on PM2.5 (particulate matter 2.5), is a low-resistance new technical scheme, and is suitable for the purification treatment of any flue gas emission amount; the cost and the operation cost are much lower than those of similar desulfurization purification towers; the requirement on the national coal-fired flue gas emission standard is met; the purpose of protecting the environment is achieved.

The invention discloses a self-cleaning air purifier. The self-cleaning air purifier comprises a shell, wherein a power cavity is arranged on the inner wall of the left end of the bottom of the shell;a power mechanism capable of providing power for the air purifier is arranged in the power cavity; a fan control cavity is arranged in the lower side wall of the power cavity; a fan control mechanismis arranged in the fan control cavity; a drainage control cavity is arranged in the lower side wall of the fan control cavity, and a drainage control mechanism is arranged in the drainage control cavity, so that the air purifier is further controlled to carry out drainage; and a cleaning control cavity is arranged in the upper side wall of the power cavity. The self-cleaning air purifier is simple in structure, convenient to operate and convenient to maintain, the air purifier can timely carry out self-internal cleaning, serious internal pollution caused by long-time use is avoided, the air purification effect is reduced, the long-time maintenance-free effect is achieved, and meanwhile, the whole process is convenient, rapid, fully automatic, pollution-free and has no technical requirements for users, therefore, the self-cleaning air purifier has high use and popularization value.

The invention discloses an efficient air purifier and a purifying method. The efficient air purifier comprises a conductor which is insulated against the ground, and a power source transmitting electric charges to the conductor. The output end of the power source is connected to the conductor. The grounding end of the power source is connected with the ground. The purifying method includes that the conductor which is insulated against the ground is suspended or supported in air; the power source transmits the electric charges to the conductor continuously; the conductor generates an electric field; and particle matter in the air is fast settled to the ground under the effect of electric field force. Almost all electric energy on the conductor is converted into work done by the electric field force borne by the particle matter, the purifying efficiency on fine particle matter in air is high, in addition, noise, vibration and interference are not generated, pollution is avoided, and due to the high efficiency, the efficient air purifier and the purifying method are suitable for purifying fine particle matter in large-area high airspace of cities and industry zones or construction sites or the like.

A disclosed comprehensive processing method for squeezing sewage generated in a process of extracting xanthophyll from tagetes erecta comprises the following steps: performing preliminary precipitation; filtering the upper-layer liquid, adding aerobic activated sludge into the filtrate and aerating for 8-10 days; performing precipitation on the aerated upper-layer liquid; adding anaerobic activated sludge into the upper-layer liquid subjected to precipitation and performing anaerobic fermentation for 8-20 days, and collecting generated biogas; performing precipitation on the supernatant subjected to anaerobic fermentation; filtering the upper-layer liquid subjected to precipitation, and performing decolouring processing; and enabling a clear liquid subjected to decolouring to flow out and storing in constructed wetland. Through precipitation, filtering, aeration, anaerobic fermentation, decolouring and constructed-wetland storage for comprehensively processing squeezing sewage generated in the process of extracting xanthophyll from tagetes erecta, the comprehensive processing method is low in cost, reasonable in economy and small in consumption, is capable of substantially reducing COD of squeezing sewage and purifying water quality, obtaining biogas energy source, and finally enabling wastewater to reach the standard by combining constructed-wetland ecological processing, helps to beautify environment, is high in automation degree and helps to reduce labor intensity.

The invention discloses a manufacturing method of Al-B-RE intermediate alloy. The manufacturing method includes the specific steps that firstly, potassium tetrafluoroborate and molten aluminum conduct an alloying reaction in a medium-frequency induction furnace, the rare earth element is added, slag and gas are removed, casting is conducted, and the Al-B-RE intermediate alloy is obtained. According to the manufacturing method, by the adoption of the lower alloying temperature ranging from 680 DEG C to 720 DEG C of KBF4 and the molten aluminum, the feeding speed is controlled, evaporation of the KBF4 is reduced, feeding is conducted while stirring is conducted, the KBF4 can be evenly distributed on the reaction interface, the problems that the local portion is overheated and a product is segregated due to the accumulation of the KBF4 are avoided, and the chemical reaction speed and degree of the KBF4 can be increased, so that the B casting yield is increased, and production cost is reduced; and meanwhile, the temperature of the whole manufacturing process is controlled, and the elpasolite powder is laid on the molten aluminum to serve as a transition layer, so that the KBF4 raw material evenly reacts with the molten aluminum, the phenomenon that the temperature is increased rapidly due to the acute chemical reaction generated at the Al liquid local position is avoided, and the behavior of conversion from the AlB2 phase to the AlB12 phase is inhibited effectively.

The invention discloses an easy-to-maintain air purifier. The air purifier comprises a casing, a filter element and a fan, wherein the filter element comprises an electrostatic adsorption device and a diatomite filter element; the casing is cylindrical; the side wall of the casing is an air inlet port; the top of the casing is an air outlet; the electrostatic adsorption device is located on the inner side of the air inlet; the diatomite filter element is located on the inner side of the electrostatic adsorption device; the fan is arranged at the top of the center of the casing; the outer wall of the electrostatic adsorption device is coated with a visible-light photocatalyst coating; and an air detection device is arranged at the air outlet, comprises a particle detection module and an ozone detection module and is connected with an alarm lamp. The easy-to-maintain air purifier produces a small amount of ozone, the service life of the filter element is long, the purifying capacity can be regenerated through cleaning, automatic warning can be realized when cleaning and replacement are required, and thus later maintenance is simple, convenient and easy to operate.

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 material conveying channel used for transferring materials from the exterior of a furnace body to the interior of the furnace body in an airtight state. The material conveying channel comprises a charging channel and a feeding channel. The charging channel is formed inside the furnace body and is opposite to a crucible. The feeding channel can extend or retract relative to the charging channel, and the feeding channel penetrates through the furnace body and communicates with the charging channel when located at the extending position. The invention further discloses amaterial supplying device and a crystal growing system with the material supplying device. The material supplying device further at least comprises a storage mechanism besides the material conveyingchannel. The storage mechanism is used for accommodating the materials, and the materials in the storage mechanism can be supplied into the crucible inside the furnace body through the material conveying channel in the airtight state. The requirement for large charging quantity is met, the charging process and the single crystal silicon rod cooling process can be conducted simultaneously, thus thecharging time is shortened, the production efficiency of single crystal silicon rods is improved, and meanwhile, the stability and safety of exterior charging are improved.

The invention discloses a photovoltaic all-coverage fishery and photovoltaic generation complementation high-density fish culture system. The photovoltaic all-coverage fishery and photovoltaic generation complementation high-density fish culture system comprises a photovoltaic generation system and a fish intensive culture system, wherein the photovoltaic generation system comprises a solar battery component, a photovoltaic support, an anti-thunder combiner box, an inverter integrated working box, a boosting transformer, an electric net, a charging and discharging controller, a storage battery and an inverter; the fish intensive culture system comprises a water lifting and oxygenation water pushing machine, bottom oxygenation equipment, pollution absorption equipment, an oxygenation water pushing zone, a culture zone, a faeces collection zone, a water quality purification zone, fish baffling grid mesh plates, a culture facility wall body and a water flow guiding facility; and the solar battery component is arranged on an upper part of a whole fishpond. By adopting the photovoltaic generation and fish open-type intensive culture integral composite production system, the utilization efficiency of a water surface can be effectively improved; the economic benefit of a unit water surface area is greatly improved; and an important means is provided for water area resource utilization in river network areas.

The invention discloses a rotary mixing and purification type waste gas purification device. An air inlet pipe is arranged on the left side surface of a cross-shaped treatment box, a cross-shaped frame and a sliding plate are arranged in the cross-shaped treatment box, the right side of the cross-shaped treatment box is communicated with a rotary mixing and purifying box, a first conveying pump ismounted at the top of the rotary mixing and purifying box, and a cross-shaped rotary spraying and purifying unit is mounted in the rotary mixing and purifying box; a lifting type purification box ismounted at the bottom of the cross-shaped treatment box, and the interior of a box body of the cross-shaped treatment box communicates with the interior of a box body of the lifting type purificationbox through a pipeline; and a second agent box is arranged on the right side of the lifting type purification box, the second agent box is fixedly connected with the lifting type purification box, a first agent box is arranged on the lower right portion of the second agent box, and a second conveying pump is installed at the top of the second agent box. Static purification of the cross-shaped treatment box and dynamic purification of the rotary mixing and purifying box are combined, and the purification effect is far higher than that of existing purification equipment.

A steam-flue gas mixing fluid generation method for thickened oil thermal recovery belongs to the technical field of thickened oil thermal recovery and boiler equipment. A generation system comprises a boiler, a transition gas flue and a mixing chamber. The steam-flue gas mixing fluid generation method comprises the following steps of: feeding pressurized gas or liquid fuel and air into the hearth of the boiler, mixing and burning in the hearth to generate high-temperature and high-pressure flue gas, and feeding the flue gas into the mixing chamber through the transition gas flue; spraying purified water into the mixing chamber through an atomization plant to form tiny liquid drops, mixing the tiny liquid drops with the high-temperature and high-pressure flue gas in the mixing chamber, heating the mixture by the flue gas to turn into water vapor after being vaporized, and further generating the high-temperature and high-pressure steam-flue gas mixing fluid; and finally, leading the high-temperature and high-pressure steam-flue gas mixing fluid out to a steam injection pipeline. The steam-flue gas mixing fluid generation method has the advantages of reducing flue gas purification and compression links, effectively saving investment and running costs and water resources and obviously reducing the cost of water treatment.

The invention discloses a chemical water treatment agent which is prepared from the following components in parts by weight: 1-3 parts of polyvinylamine, 20-30 parts of polyaluminum ferric silicate, 10-20 parts of tannin, 1-7 parts of sodium lignin sulfonate, 1-5 parts of polyaspartic acid, 3-7 parts of alkyl epoxy sodium carboxylate, 1-5 parts of sodium alginate, 2-8 parts of sodium citrate, 2-6parts of zinc sulfate, 15-30 parts of sodium silicate, 2-6 parts of phosphorus lime and 2-6 parts of sodium hypochlorite. The water treatment agent disclosed by the invention is environmentally friendly, low in cost and good in purification effect and can be applied to treating wastewater, sewage and the like.