74results about How to "Purifying" patented technology

The invention belongs to the technical field of new environment-friendly materials, and particularly relates to a ceramal material for manufacturing hydrogen-enriched water and the preparing method and application thereof. The ceramal material is prepared from, by weight, 30-85 parts of base material component, 20-60 parts of hydrogen-enriched component, 2-25 parts of anti-microbial component, and 3-30 parts of binder. The base material component is prepared from tourmaline, serpeggiante, silicon oxide, calcium oxide and zeolite. The hydrogen-enriched component is prepared from magnesium metal powder, magnesia powder and KDF alloy powder. The anti-microbial component is prepared from zinc oxide, titanium oxide and cerium oxide. The binder is prepared from one or more of high-purity distilled water, carboxypropyl cellulose and bentonite. The ceramal material can be used for manufacturing alkalescent water, negative-potential water and hydrogen-enriched water and also has an anti-microbial function and a water activating function. The invention further provides the preparing method and application of the ceramal material. The technology is simple and easy to realize. The ceramal material can be applied to products including water purifiers, water purifying kettles and cups.

The inventive air-conditioning system comprises refrigeration and solution cycle systems. The refrigeration cycle system has a compressor, an evaporator, an expansion valve and a condenser. The solution cycle system has a dehumidifier, a regenerating unit, a solution reservoir, a solution pump, a mixed solution valve and a control valve. Because of adding a solution cycle system, the invention can realize the accuracy independent control of temperature and humidity.

A machining device based on a non-Newtonian fluid shear thickening mechanism polishing method comprises a workbench, a polishing tool system, an abrasive fluid circulation device and a computer control module, wherein the polishing tool system is installed on a portal frame of the workbench, an inlet of the abrasive fluid circulation device is communicated with an abrasive backflow opening in the workbench, and the workbench, the polishing tool system and the abrasive fluid circulation device are respectively connected with the computer control module. The machining device has the advantages that the application range is wide, the size of machined workpieces is not limited, the structure of the device is simple, the device is controlled easily, a computer controls the operation track of the device, the polishing process of non-Newtonian fluid abrasive fluid and the surfaces of the workpieces can be controlled effectively, a non-Newtonian fluid abrasive fluid circulation system is adopted, and the functions of removing abrasive dust, purifying, recycling, transporting and storing the abrasive fluid, and adjusting performance are achieved.

The invention discloses a glaze which can generate negative ion and is characterized in that: the prescription of the glaze also contains a stimulating material that can generate tourmaline microcrystalline structures and an energy transferring material. The main composing scope (proportion by weight) of the prescription of the glaze is as follows: SiO2: 40 percent to 70 percent, Al2O3: 5 percent to 15 percent, K2O+Na2O: 5 percent to 10 percent, CaO: 0.1 percent to 12 percent, MgO: 0.1 percent to 10 percent, ZnO: 0.1 percent to 10 percent, B2O3: 0.1 percent to 10 percent; the stimulating material: 0.1 percent to 10 percent and the energy transferring material: 0.1 percent to 10 percent. The preparation method of the invention comprises the following steps: first, fusion cakes is prepared; the materials of the prescription are mixed in mixture ratio and fused and then quenched rapidly to prepare into the fusion cakes; second, sintering is carried out after the fusion cakes are prepared; finally, finished products are obtained by grinding. The application method of the glaze is that: 2 percent to 15 percent of the glaze is added to a glaze of a building sanitary ceramics and goes through glaze application and then is sintered into glaze at 800 DEG C to 1300 DEG C. The glaze of the invention has the advantages of having good release effect of the negative ion, and being environmental-friendly, etc.

The invention discloses a preparation method for a high-entropy alloy. A pure element or master alloy powder mixture is adopted as a raw material and is directly put into discharge plasma sintering (SPS) equipment, a vacuum hot pressing reaction is conducted, and the bulk high-entropy alloy is fast sintered and synthesized; and the integration of the densification of the alloy bulk material and the solid solution phase of the high-entropy alloy is achieved through the precise control over the SPS sintering parameters, and the dense high-entropy alloy bulk material is obtained at a time. The high-entropy alloy prepared through the technology is high in densification, uniform in structure and excellent in mechanical performance. The preparation method has the outstanding beneficial effects that the equipment and process are simple, the efficient and fast functions are achieved, the production cost is low, and the reliability is high and is suitable for the industrial production of the high-entropy alloy.

The invention belongs to the field of new material technology for hydrogen production, and particularly relates to a multiple-efficiency water purification ceramic material as well as a preparation method and application thereof. The multiple-efficiency water purification ceramic material is prepared from the following raw materials: 30-50 parts of substrate component, 20-40 parts of hydrogen-richcomponent, 2-5 parts of antibacterial component and 3-10 parts of binder; wherein the substrate component is made from tourmaline, Shuiyuan stone, medical stone, calcium oxide and zeolite; the hydrogen-rich component is prepared from metallic magnesium powder, magnesium oxide powder, KDF alloy powder and three-dimensional graphene; the antibacterial component is prepared from far-infrared ceramicpowder, nanometer zinc oxide, titanium oxide and nanometer zirconium dioxide; the binder is prepared from highly pure distilled water, carboxypropyl cellulose and bentonite. The multiple-efficiency water purification ceramic material of the invention can not only produce hydrogen but also store hydrogen when being added to water, and can significantly increase the hydrogen content in the water. The invention also provides the preparation method and application of the multiple-efficiency water purification ceramic material, and the process is simple and easy to implement, and the multiple-efficiency water purification ceramic material is applied to products such as a water purifier, a water filter pitcher and a water cup.

The invention discloses copper-iron intermediate alloy and a preparation method and application thereof, and belongs to the technical field of non-ferrous alloy. The intermediate alloy comprises, by weight, 45-60% of Fe, 0.20-0.35% of Ni, more than 0 of RE and the balance Cu; RE is composed of rare earth elements of La and Ce. The preparation process of the intermediate alloy comprises the steps of raw material preparation, material dosing, vacuum melting, master batch component analysis, cast ingot surface milling, hot rolling, acid pickling, washing and shearing, wherein the materials are sheared to a long strip shape for standby use. According to the prepared copper-iron intermediate alloy, the chemical components are stable, and components in the upper portion, the middle portion and the lower portion of a cast ingot are even; Fe in the intermediate alloy is evenly distributed without segregation; the copper-iron intermediate alloy is the foundation for subsequent production of Cu-Fe series alloy.

The invention discloses a negative oxygen ion functional coating, a preparation method and an application, comprising 3 to 5 parts of tourmaline powder, 1 to 3 parts of graphene oxide, 1 to 2 parts of nano-titanium oxide, 15 to 20 parts of gypsum powder, and diatom powder 30-50 parts of at least one of clay or montmorillonite, and 10-20 parts of at least one of styrene-acrylic emulsion, pure benzene emulsion or water-based polyurethane. The preparation process of the paint raw material of the present invention is simple, and only needs to be pulverized and ground to a specified fineness; the painting process is simple, and no large-scale engineering construction equipment is required; while improving the durability and decoration of the expanded perlite external wall insulation board, it also It can release negative oxygen ions, play the ecological effects of haze reduction, sterilization and air purification, etc., and enrich the performance of the external wall insulation board material; it is prepared into a water-based paint, which has green environmental protection and energy-saving effects compared with traditional oil-based paints; the present invention The produced coating releases a negative oxygen ion concentration of 6000Ions / cm within 14 days 3 above.

The invention discloses a water electrolysis device with a purification function and a control method of the water electrolysis device. The water electrolysis device comprises a raw water tank, a purified water tank, a water pump, an electrolytic cell, a water discharge device and an engine base, wherein the raw water tank is used for storing raw water; the purified water tank is used for storing purified water; the electrolytic cell is used for generating electrolytic water; and the water discharge device is used for electrolyzing generated alkali water. The water electrolysis device also comprises a filtration system for purifying the raw water, wherein the filtration system is connected with the raw water tank, the purified water pump, the water pump, the electrolytic cell and the water discharge device in series on a water channel. The water electrolysis device further comprises multiple intelligent control devices. The water electrolysis device simultaneously has purification and electrolysis functions, and the quality of drinking water is fully ensured; the water electrolysis device is safe to use because multiple intelligent control devices are arranged in the water electrolysis device, and the water electrolysis device is reliable in structure design, thereby greatly facilitating the cleaning and maintenance of the water electrolysis device.

An ecological crust air purification device comprises a separation chamber. An air inlet and an air outlet are formed in the bottom and top of the separation chamber respectively, and a draught fan is arranged at the air outlet in the separation chamber; the inner wall of the separation chamber is provided with saw-shaped support spokes, and a dust removing screen is arranged on the support spokes which are located at the lowest end of the separation chamber and performs primary filtering on air; a crust plant light-compensating lamp and a mistorizer are arranged in the separation chamber, ecological crusts are fixed on grid plates, and the grid plates are arranged on supporting points; the separation chamber is made of transparent materials, the inner wall of the separation chamber is coated with hydrophobic materials, and the bottom of the separation chamber is provided with a water collecting tank and a base. According to the ecological crust air purification device, a suitable growing environment is constructed, the huge specific surface area of crust plants is utilized, leaf tissue fully adsorbs and absorbs air pollutants in the separation chamber, and air purification is initiatively achieved; the ecological crusts can decorate the environment, the crust layer number can be regulated according to the pollution condition, and the purification effect is enhanced; the cost is low, the maintenance is easy, and the application prospect is wide.

The invention relates to a multifunctional wall cloth and a manufacturing method thereof. The multifunctional wall cloth is mainly used for solving the technical problems that the present decorative material only has a decorative effect and does not have functionality. The multifunctional wall cloth is characterized by comprising a decorative layer and a heat-insulating layer, wherein a bonding layer is arranged between the decorative layer and the heat-insulating layer; the decorative layer and the heat-insulating layer are integrally bound through the bonding layer; and the decorative layer is spun by using chemical fibers, cotton, flax and viscose. When the decorative layer is dyed, the following materials by weight percent are added into a dyestuff: 1-5% of nanometer silver antibiotic finishing agent, 3-10% of three-proofing additives, 25-35% of halogen-free fire retardants, 0.5-2% of antistatic agents and 1-8% of nanometer titanium dioxides; the materials are dried by using a 30 yards / hour molding machine and the drying temperature is at 180-230 DEG C; the heat-insulating layer is formed by spinning polypropylene fibers, viscose and three-dimensional crimp hollow fibers and 10-15g / m<2> cannabinol is sprayed on the surface of the heat-insulating layer; and then the decorative layer and the heat-insulating layer are fixedly bound through adhesive agents.

The invention discloses a hawthorn fruit-containing feeding attraction feed for black carp. The feed is prepared by using the following raw materials, by weight, 30-40 parts of rapeseed cake, 15-20 parts of wheat bran, 10-15 parts of rice bran, 10-13 parts of vinasse, 8-12 parts of hawthorn fruit, 5-6 parts of minced fish, 1-2 parts of fish glue powder, 4-5 parts of steam and leaf of cassava, 7-8 parts of cauliflower, 5-6 parts of watermelon peel, 4-5 parts of bamboo shoot shell, 4-5 parts of Juniper Berry, 3-4 parts of wheat germ powder, 4-5 parts of potherb mustard, 2-3 parts of sesame oil, 3-5 parts of a feeding attractant and a proper amount of water. The black carp feed has a scientific and reasonable formula, can satisfy the needs of the growth of black carp in all stages and can improve the feed palatability, added nutritional components can provide proteins, amino acids and trace elements required by the growth of the black carp for the growth of the black carp, can promote the growth of the black carp and improve the immunity of the black carp, and no chemical substances of antibiotics or hormones are added, so the culture benefit is improved, and the environmental pollution is reduced. Juniper Berry has the effects of bacterial prevention, rheumatic prevention, flatus removal, purification, toxin repelling, disinfection, diuresis, channel freeing and stomach benefiting.

The invention relates to a modularized artificial floating island for multi-medium reinforced repair of a polluted water body and application of the modularized artificial floating island. The modularized artificial floating island comprises one or more transparent floating island frames which are sequentially communicated. Each floating island frame is internally provided with a supporting mesh plate for dividing the floating island frame into an upper layer frame body and a lower layer frame body. Each upper layer frame body is internally and sequentially filled with a base body medium layer and a filler layer from top to bottom. Each base body medium layer is provided with a planting hole led to the corresponding filler layer. A plurality of check holes are formed in the side wall, corresponding to the corresponding filler layer, of each upper layer frame body. The bottom in each lower layer frame body is laid with a substrate. A plurality of check holes are formed in the side wall of each lower layer frame body. The check holes are provided with detachable mesh. Compared with the prior art, the modularized artificial floating island has the advantages that by adopting the light base body medium layers, establishing the filler layers easy to install and replace and suitable for microorganism adhesion, establishing a complete biological system layer and the like, manufacturing time is shortened, occupied land is reduced, long-term durability and efficient pollution removal are achieved, water quality purification and landscape functions are achieved due to modularized combination, and the effect of repairing the polluted water body is good.

The invention provides a household air purifier. The household air purifier comprises an outdoor exhaust port, an outdoor exhaust fan, a heat exchange core, a fresh air fan, a fresh air port, an inner air rotating air valve unit, a filter set network, an outer air rotating air valve unit, an outdoor fresh air inlet, an indoor air return port and a separation plate, wherein the exchange core is arranged between the outdoor exhaust fan and the fresh air fan; the outdoor exhaust port is formed in the left side of the outdoor exhaust fan; the fresh air port is formed in the right side of the fresh air fan; the filter set network is arranged at the lower part of the exchange core; one end of the inner air rotating air valve unit is fixed on the separation plate, and the other end of the inner air rotating air valve unit is fixed at the right end point of the filter set network or overlapped with the separation plate; the outdoor fresh air inlet is formed in the left side of the separation plate; and the indoor air return port is formed in the right side of the separation plate. The household air purifier has the functions of indoor air circular purification and outdoor fresh air cold and hot preheating recovery purification, can meet the requirement for indoor continuous purification, and can meet the requirement of replenishing oxygen indoors after purification of outdoor fresh air.

The invention relates to an environmentally-friendly dry powder emulsion paint for an inner wall and a preparation method thereof. The environmentally-friendly dry powder emulsion paint for the inner wall is prepared through the following raw materials in parts by weight: 20-35 parts of white cement, 20-35 parts of calcium carbonate powder, 8-18 parts of ash calcium powder, 30-40 parts of modified degreased soybean powder pulp, 5-10 parts of titanium dioxide, 10-20 parts of propolis powder, 6-8 parts of water soluble glucan, 4-6 parts of flatting agent, 2-3 parts of organobentonite, 1-3 parts of nanometer magnetic ordered mesoporous medium, 2-3 parts of antioxidant, and 1-3 parts of additive, wherein the additive is at least one of flame-retardant powder, nanometer negative ion powder and an antistatic agent; the flatting agent is a liquid acrylic flatting agent. The environmentally-friendly dry powder emulsion paint for the inner wall is reasonable in raw material selection, and proper in matching; compared with an existing emulsion paint, the prepared dry powder emulsion paint has the advantages of being outstanding in water resistance, outstanding in bonding performance, high in consistency in the drying process, and high in flatness; in addition, the emulsion paint is high in stability during the drying process, is influenced slightly by the outside condition, and is hard to discolor; in addition, the emulsion paint is outstanding in antibacterial capacity, high in static resistance and high in fire retardance.

The invention discloses a high-plant fiber content wood-plastic composite material. The high-plant fiber content wood-plastic composite material comprises the following raw materials in parts by weight: 30-50 parts of PVC resin powder, 30-50 parts of plant fiber powder, 0.3-2 parts of a coupling agent, 1-5 parts of a plasticizing regulator, 2-6 parts of an environment-friendly stabilizer, 1-3 parts of a processing aid, 1-3 parts of a lubricating agent and 1-5 parts of a toughening agent. The high-plant fiber content wood-plastic composite material prepared according to a formula provided by the invention has the elongation at break of 2-7%, the bending strength of 25-35 MPa, the Shore hardness of 71-80 HD and the moisture content of 0.2-0.8% which are far higher than physical and chemicalperformance indexes of the wood-plastic composite material stated in Chinese standard GB / T24137; the dimensional stability is greatly improved; the problem that the wood-plastic composite material iseasy to deform during using is solved, agricultural and forestry wastes are fully utilized, the wastes are turned into treasures, and high-value utilization of waste plant fiber resources is achieved.

The invention discloses a chemical waste gas adsorbent and a preparation method thereof. The adsorbent is prepared from, by weight, 30-35 parts of calcium carbonate fiber, 20-25 parts of tetrabutyl titanate, 5-10 parts of shell activated carbon, 7-10 parts of alginic acid, 7-9 parts of pyrite cinder, 10-15 parts of bamboo charcoal powder, 3-5 parts of silica sol, 20-30 parts of volcanic rock, 5-7 parts of nano carbon dioxide, 2.1-3.5 parts of cellulose ether, 1-3 parts of methyl triethoxysilane, 9-12 parts of jute pulp and a proper amount of water. The chemical waste gas adsorbent is high in adsorption and can efficiently remove main pollutants such as volatile organic substances, inorganic matter, hydrogen sulfide, ammonia and mercaptan and various odors, the deodorizing efficiency can reach 98% or above, and the antibacterial and air purifying effects are achieved.

The invention particularly relates to antibacterial ceramic with sand texture and a production technology of the ceramic and belongs to the technical field of ceramic products. The ceramic is prepared from raw materials in parts by weight as follows: 16-25 parts of Longyan kaolin, 7-12 parts of spodumene, 14-20 parts of common quartz sand, 15-23 parts of albite, 6-10 parts of waste ceramic residues, 1-5 parts of talc, 3-7 parts of calcium oxide, 2-4 parts of titanium dioxide and 2-5 parts of chitin. The ceramic has antibacterial and air purifying functions, has the antibacterial rate for Escherichia coli and staphylococcus aureus up to 98% or above and can purify organic poisonous gases; the ceramic has the sand texture to increase friction and is applicable to various domestic ceramic and various sanitary ware; a one-time firing method is adopted in the production technology, and the method is energy-saving and environment-friendly on the basis that the product quality is guaranteed.

An extensible square operation cabin with air purification and informatization functions comprises a fixed cabin, a left extensible cabin and a right extensible cabin. The left extensible cabin and the right extensible cabin are respectively and symmetrically located on two sides of the fixed cabin and communicated with the fixed cabin. The left extensible cabin and the right extensible cabin are of the same structure and are extensible structures contracted in the fixed cabin through folding of an extensible mechanism, a fixed dividing wall for dividing the communicated fixed cabin, the left extensible cabin and the right extensible cabin into two symmetrical operation cabins is arranged in the middle of the inner portion of the fixed cabin along the length direction, and operation medical devices, telemedicine and operation information management systems, square cabin air purification devices and square cabin environment protection devices are arranged in the two symmetrical operation cabins. The extensible square operation cabin with air purification and informatization functions can meet the requirements for rapid outdoor expansion and operation performing and has the advantages of being convenient to extend, complete in operation functions and capable of performing remote consultation, automatic operation information management and air purification and temperature adjustment of an operation room.

The invention discloses an LED panel lamp with a sterilization function. The LED panel lamp comprises a lamp shell, an LED lamp assembly arranged in the lamp shell, a light diffusion shell arranged outside the lamp shell and a photocatalyst coating, and the outer surface or the inner surface of the light diffusion shell is coated with the photocatalyst coating. The LED lamp assembly comprises a PCB and a plurality of ultraviolet LED lamp beads evenly arranged on the PCB, wherein the ultraviolet LED lamp beads face the inner surface of the light diffusion shell, and the wavelength of all the ultraviolet LED lamp beads is 400 nm to 100 nm. The LED panel lamp has the effects that since the outer surface or the inner surface of the light diffusion shell is coated with the photocatalyst coating, under the action of ultraviolet rays, photocatalyst contained in the photocatalyst coating is subjected to a light-catalyzed reaction, poisonous and harmful gas in air can be effectively degraded, various bacteria can be effectively killed, and toxins released by bacteria or fungi can be decomposed or treated harmlessly; meanwhile, the LED panel lamp has the functions of deodorization, antifouling, air purification and the like, and therefore the LED panel lamp can achieve dual purposes and is high in practicability and good in using effect.

Belonging to the technical field of water purification equipment, the invention provides a ship rainwater purification device. The device consists of: a rainwater collection hopper for collecting rainwater; a filter tank for purifying rainwater; a magnetic adsorption mechanism for adsorbing heavy metals in rainwater; adsorption pipelines for weakening the acidity of rainwater; and a reservoir fordisinfecting rainwater. The upper part at the middle of the filter tank is connected to the rainwater collection hopper through a pipeline, clamp slots are annularly distributed at the opening of therainwater collection hopper, detachable clamp seats are clamped inside the clamp slots, the clamp seats are connected to a coarse filter screen, and the filter tank is internally equipped with the magnetic adsorption mechanism, the adsorption pipelines and the reservoir from top to bottom in order. The device provided by the invention can quickly collect rainwater, and the rainwater purification degree is high, and after the steps of removal of heavy metals, weakening of the rainwater acidity, heating, sterilization and other steps, a drinkable water source can be produced.

The invention discloses a rare-earth multi-element alloy coating and a hot-dip galvanizing method thereof. The rare-earth multi-element alloy coating comprises the following main components: rare earth, aluminum, nickel, magnesium and zinc. The hot-dip galvanizing method comprises the following steps: (1) mix-melting intermediate alloys, namely Al-RE-Mg and Zn-Ni; (2) mix-melting a multi-element rare-earth alloy; (3) dredging slag; (4) casting; and (5) applying. The rare-earth multi-element alloy coating and the hot-dip galvanizing method thereof have the advantages that: firstly, difficulty of directly adding multiple elements with different melting points into a zinc liquid to melt and the impossibility problem of adding high-melting-point elemental metal elements into the zinc liquid to melt are solved; secondly, the multiple elements can be completely and quickly molten and dispersed, so that the hot-dop galvanizing method is easy to operate and control in a practical production process; thirdly, the dilution capability, the dispersive capacity, the mobility and the uniformity of the zinc liquid are strengthened, so that the zinc consumption is reduced by 5%-15%, the cost is reduced and the benefits are increased; and fourthly, the corrosion resistance of the rare-earth multi-element alloy coating is doubled in comparison with that of a conventional hot dip galvanized coating.

The invention discloses an organic fertilizer prepared from red mud and a production process of the organic fertilizer. The organic fertilizer includes animal excrements, straw, distillers' grains, saw dust, red mud, humic acid, low-molecular-weight organic acid, edible mushroom waste, bone meal, an antiviral agent and a microbial agent. The organic fertilizer has the advantages that the animal excrements, red mud, saw dust and straw are adopted as the raw materials, waste utilization is realized, environmental pollution is reduced, and the problem that the red mud cannot be utilized and pollutes the environment is solved. The low-molecular-weight organic acid and aluminum ions in the organic fertilizer cannot be absorbed by plants and fail after being exchanged and complexed, and nutrients in the red mud and other raw materials interact and can provide calcium, silicone and corresponding trace elements for crops; iron, silicone, calcium, magnesium and other nutrient elements are addedon the basis of an original organic fertilizer, the growth of the crops is promoted, diseases and insect pests can be reduced, an iron fertilizer is replaced, and a certain improvement effect on soilis realized.

The invention relates to a contaminated bottom silt restoration composition, putting device and method. The composition is prepared from the following ingredients in percentage by mass: 5 to 20 percent of carbon fiber grass, 5 to 35 percent of zeolite, 10 to 35 percent of phosphor locking agents, 15 to 35 percent of charcoal and 5 to 35 percent of clean sand. The device can be a free moving putting device. When the bottom silt restoration composition, device and method are used for water body control and bottom silt restoration, nitrogen and phosphorus in the water body and the bottom silt canbe effectively removed; the bottom silt heavy metal, inorganic pollutants and microorganisms are adsorbed; the transparency of the water body is improved; the water body bottom silt is effectively restored. In addition, the device is used for performing composition putting; the device can be moved to any place specified by contaminated water bodies (rivers, lakes, reservoirs and the like) for water body control and bottom silt restoration; the device is simple and easy; the operation is convenient; the efficiency is high.

The invention provides an intelligent water cup with the function of purifying and detecting water quality. The intelligent water cup comprises a water cup body and a cup lid, the water cup body is divided into two independent spaces by a water purification film, the two independent spaces are a water inlet layer and a water storage layer, and an opening which is communicated with the water inlet layer and the water storage layer is formed in the water purification film; the water storage layer of the water cup is internally provided with an electrical conductivity sensor, a pH sensor, a COD sensor and a temperature sensor, the bottom of the water cup body is provided with an interlayer, the interlayer is internally provided with a detecting circuit, a constant-voltage circuit, a microprocessor, a wireless transmission module and a power supply device, and the outer side of the water cup body is provided with a display screen. According to intelligent water cup with the function of purifying and detecting the water quality, purifying treatment can be conducted on drinking water at any time, purified water is detected, it is ensured that the drinking water accords with safety standards, and the health of a user is protected.

The invention discloses a novel diatom-ooze environment-friendly wall material. The novel diatom-ooze environment-friendly wall material is prepared from the following raw materials in parts by weight: 35-50 parts of diatomite, 13-22 parts of bentonite, 8-16 parts of kaolin, 4-9 parts of heavy-calcium powder, 8-15 parts of modified zeolite powder, 3-7 parts of sepiolite powder, 2-5 parts of mica powder, 1-2 parts of zinc oxide, 1-2 parts of nano titanium dioxide, 2-5 parts of aluminium hydroxide, 1-4 parts of negative ion powder, 4-6 parts of plant cellulose, 2-3 parts of cellulose ether, 1-2parts of preservative, 3-9 parts of redispersible rubble powder and 45-60 parts of water. The novel diatom-ooze environment-friendly wall material disclosed by the invention is good in water resistance and alkaline resistance, is moisture-proof, mildew-proof and antibacterial, and has the air-purifying and humidity-regulating functions.

The invention discloses a dehumidification and cooling air purifier. The dehumidification and cooling air purifier comprises a box. An air outlet is formed in the upper end of the box, an air inlet is formed in the lower end of the box, and the air inlet is provided with a fiber filter net. An HEPA filter net layer and an activated carbon filter net layer are arranged at the middle portion of the inner side of the box. The HEPA filter net layer is arranged on the lower side of the activated carbon filter net layer. The activated carbon filter net layer is coated with photocatalyst. The upper side of the activated carbon filter net layer is provided with an ultraviolet lamp, a cooler is arranged on the upper side of the ultraviolet lamp, an air flue is connected between the air inlet and the HEPA filter net layer, and a dehumidifier and an exhaust fan are arranged in the air flue. The activated carbon filter net layer is coated with the photocatalyst, and the photocatalyst can effectively degrade harmful gases in air and effectively kill out bacteria in air under irradiation of the ultraviolet lamp; the dehumidifier is arranged at the front end and can well remove water in air; and the arranged cooler can well reduce the temperature of air, and air getting out of the dehumidification and cooling air purifier is dry and cool.

The invention provides a pretreatment device applied to food polychlorophenol detection and a treatment method thereof. The pretreatment device comprises a cover plate part, first mounting holes are symmetrically formed in the cover plate part, flow guide columns are connected into the first mounting holes, and solid-phase extraction columns are connected to the upper portions of the flow guide columns; and a mounting part is connected to the lower portion of the cover plate part, a limiting frame is arranged in the mounting part, collecting parts are symmetrically arranged on the limiting frame, connector parts are connected to the upper portions of the collecting parts, and the lower portions of the flow guide columns are connected with the collecting parts through the connector parts. The solid-phase extraction column disclosed by the invention is used for purification so that the pigment removal effect is good, the recovery rate is high, and the deficiency of a pretreatment method for detecting polychlorophenol in agricultural products is made up; and the pretreatment method established by the invention is high in compatibility, can be compatible with liquid chromatography-tandem mass spectrometry and liquid chromatography-ion trap-time-of-flight mass spectrometry detection methods, and is wide in application range.

A draught fan with an intelligent wind function is provided with a swing mechanism, detects environmental data and user parameters of an existing area, and carries out intelligent wind supply coverageaccording to the environmental parameters and the user parameters. The intelligent wind judging step comprises six steps. The draught fan outputs air according to a comfortable wind model, so that auser is in a comfortable environment. Meanwhile, the draught fan has the functions of purification, heating and humidification, the occupied space is reduced, and the operation difficulty is reduced.The draught fan can be automatically controlled according to the current environment condition, and the intelligent degree of the draught fan is greatly improved.

The invention discloses a movable narrow strip paper tape pressing mechanism, a control system and a control method, and belongs to the technical field of drainage structures. A sponge city drainage structure comprises a water collecting well, a drainage well and a road layer structure. The water collecting well comprises a water collecting well body. The water collecting well body comprises a side wall and a bottom wall connected with the side wall. A water collecting cavity is defined by the side wall and the bottom wall. The side wall is provided with a first opening and a second opening for being communicated with the road layer structure. The first opening and the second opening are arranged in a spaced mode and both run through the side wall. The drainage well is provided with a drainage cavity. A well wall of the drainage well is provided with a third opening. The water collecting cavity and the drainage cavity are communicated through a siphon pipe between the first opening andthe third opening. According to the drainage structure, the siphon pipe is arranged to make the water collecting cavity communicated with the drainage cavity, water in the water collecting cavity cansmoothly enter the drainage cavity, and the discharge of the water in the water collecting cavity is facilitated.