287results about How to "Purify indoor air" patented technology

The invention relates to a washable ecologic wall material capable of decomposing formaldehyde. The invention not only can be used for decomposing and absorbing the formaldehyde, improving indoor moisture and absorbing indoor water content, but also is very convenient to wash and brings great convenience for people to clean the wall. The washable ecologic wall material capable of decomposing the formaldehyde is characterized by being prepared from the following components in percentage by weight: 18-29 percent of diatomite, 25-30 percent of quartz sand, 0.1 percent of fiber, 15-18 percent of bentonite, 1-3 percent of adhesive, 12-17 percent of ash calcium, 13-18 percent of water retention agent, 5-8 percent of formaldehyde purifier, 3-6.1 percent of titanium dioxide and 3-7 percent of anion powder. The invention further improves a traditional original wall material to satisfy the market needs and bring convenience and benefits to the life of people.

The invention relates to a diatom ooze environment-friendly decorating material, belonging to the technical field of building materials. The diatom ooze environment-friendly decorating material is composed of the following components in parts by weight: 4-90 parts of kieselguhr, 20-60 parts of bentonite, 10-40 parts of kaolin, 5-30 parts of atlapulgite, 10-60 parts of quartz sand, 5-40 parts of meerschaum, 5-40 parts of calcium carbonate, 5-30 parts of medical stone powder, 2-20 parts of nano titanium dioxide powder, 0.1-1.5 parts of wood fiber, 0.3-1.5 parts of chopped fiber, 4.5-40 parts of attapulgite, 2-20 parts of hydroxypropyl methylcellulose and 1-20 parts of inorganic pigment. The diatom ooze environment-friendly decorating material can purify air and eliminate peculiar smell, has the advantages of fire resistance, flame retardant, humidity regulation, noise absorption and reduction and heat insulation, and can release negative oxygen ions.

The invention discloses a ceramic tile capable of releasing negative oxygen ions and a preparation method thereof. The ceramic tile is prepared from the following raw materials in parts by weight: 38-56 parts of river sand, 22-34 parts of fluorite, 18-26 parts of volcanic, 10-20 parts of dolomite, 24-36 parts of modified clay, 15-25 parts of magnesite ore, 12-18 parts of tourmaline, 10-15 parts of hexacyclic stone, 8-14 parts of medical stone, 5-10 parts of stove ash residue, 6-12 parts of talcum powder, 4-8 parts of shell powder, 3-6 parts of barium carbonate and 2-4 parts of zinc oxide. The tourmaline, the hexacyclic stone, the medical stone and the like are added into the ceramic tile, so that the ceramic tile can release negative oxygen ions beneficial to human health for a long time, can obviously enhance blood circulation, promote metabolism, improve immunity and soothe mind and body, has an effect of bacteriostat and sterilization and has an obvious deodorization function, the indoor air can be purified, and the indoor air quality is improved.

The invention discloses a drying and humidifying integrated machine. One end of a compressor is connected with an evaporator, the other end of the compressor is connected with a condenser, and a circulation loop is formed between the evaporator and the condenser through a capillary tube; the steam in the air is condensed into water by the evaporator to flow into a condensation water trough, then the water is injected into an ultrasonic device through a water tank, the water is atomized by an ultrasonic vibration sheet, the atomized water is discharged into the air from a fog nozzle, and the vibration frequency of the ultrasonic vibration sheet is controlled by a fog quantity regulator, thereby regulating the humidifying quantity; a fan 2 is used for dissipating the heat in the ultrasonic device and enabling the ultrasonic atomized water to be spouted from the fog nozzle; a timer is used for determining the working time of the compressor and the ultrasonic vibration sheet; four universal wheels by which an instrument can be moved conveniently are installed on the machine body; and a humidity controller, an air filtering screen, a heating wire, an exhaust fan, a temperature controller, a water level automatic protector, a filtering membrane and other accessories are also installed on the machine body. The machine disclosed by the invention can be used for realizing multiple purposes, has strong practicability, can realize automatic regulation according to the indoor temperature to create an optimal humid temperature environment, is energy-saving and environment-friendly, andcan be moved conveniently.

The invention discloses a perfumed mosquito repellent composition, characterized in that the composition is prepared by the following ingredients, based on percent by weight, of: 0.1-1% of wild lemonleaf oil, 0.1-2% of eucalyptus oil, 0.5-3% of tea tree oil, 1-10% of eucalyptus citriodora leaf oil, 0-0.5% of clove oil, 0-0.2% of linaloe wood oil, 0-0.5% of dementholised peppermint oil and the balance as diluent of alkane C14. The mosquito repellent composition makes full use of three mosquito repellent essential oils including eucalyptus oil, tea tree oil and eucalyptus citriodora leaf oil, which all have no pesticide ingredients contained, but are excellent in repelling mosquito, bugs and ants, thus achieving ideal mosquito repellent effect and acceptance for human body and generating noside effect to human body, besides, the cost of the composition is low.

The invention discloses an environment-friendly healthy anionic coating material for building interior walls. The environment-friendly healthy anionic coating material contains the following ingredients in parts by weight: 25-35 parts of polyester resin, 10-25 parts of anion additive, 3-12 parts of nano-TiO2, 3-9 parts of titanium white, 1-5 parts of pigment, 5-15 parts of nano filler, 2-7 parts of dispersant, 3-8 parts of thickener, 2-10 parts of antifoamer and 20-30 parts of deionized water. The environment-friendly healthy anionic coating material for the building interior walls, disclosed by the invention, can be used for releasing negative ions continuously, dispelling indoor toxic and harmful gases, such as formaldehyde and phenol, purifying indoor air, improving an indoor living environment and providing a natural and environment-friendly living space and is applied to the field of interior decoration and finishing of residences, schools and shopping malls.

The invention relates to a washable ecologic wall material capable of decomposing formaldehyde. The invention not only can be used for decomposing and absorbing the formaldehyde, improving indoor moisture and absorbing indoor water content, but also is very convenient to wash and brings great convenience for people to clean the wall. The washable ecologic wall material capable of decomposing the formaldehyde is characterized by being prepared from the following components in percentage by weight: 18-29 percent of diatomite, 25-30 percent of quartz sand, 0.1 percent of fiber, 15-18 percent of bentonite, 1-3 percent of adhesive, 12-17 percent of ash calcium, 13-18 percent of water retention agent, 5-8 percent of formaldehyde purifier, 3-6.1 percent of titanium dioxide and 3-7 percent of anion powder. The invention further improves a traditional original wall material to satisfy the market needs and bring convenience and benefits to the life of people.

The invention relates to an environment-friendly coating, in particular to a biological-enzyme inner-wall environment-friendly coating which can be used for decorating the surfaces of indoor wall surfaces, ceilings, gypsum boards, and the like and can clear indoor formaldehyde, release anions and purify indoor air by biological enzymes. The preparation technology of the biological-enzyme inner-wall environment-friendly coating comprises the following steps: firstly, sequentially adding a dispersant, a wetting agent, a foam suppressor, a thickening agent and a mildewproof algaecide at a low speed; sequentially adding titanium pigment, a pH regulator, coarse whiting, calcined kaolin, talcum powder and anion fungi at a medium speed; and sequentially adding latex, a film-forming additive, an anti-freezing agent, a preservative, a foam suppressor, a flatting agent, 40 percent of biological-enzyme solution and H2O at a low speed and filtering and packaging after detecting to be qualified. The biological-enzyme inner-wall environment-friendly coating has the advantages of clearing the indoor formaldehyde, releasing the anions and purifying the air.

The invention provides a velvet cloth toy containing active carbon. The velvet cloth toy containing the active carbon comprises a toy body and an active carbon structure. The active carbon structure refers to an inner active carbon bag or multiple active carbon clusters or a powdered carbon layer. If the active carbon structure refers to the inner active carbon bag, the toy body is provided with a containing space matched with the inner active carbon bag. If the active carbon structure refers to the multiple active carbon clusters, the active carbon clusters are sewn on multiple portions of the toy body respectively. If the active carbon structure refers to the powdered carbon layer, the toy body is provided with at least two material layers. The active carbon is bamboo charcoal or wood charcoal. The toy body is made of plush or cloth or both plush and cloth. The toy can be in the shape of a human or an animal or a plant or a cartoon character. According to the velvet cloth toy containing the active carbon, the active carbon is placed in the velvet cloth toy with good air permeability, so that the toy not only has the functions of the active carbon bag including removal of toxicity and odors and purification of air, but also has the advantages of being attractive in appearance and convenient to carry and place.

The invention discloses a formaldehyde-resistant environment-friendly ecologic wall paper which is prepared by the following steps: preparing basic paper, coating a PVC thickener on the basic paper, performing heating and embossing, and printing patterns. The formaldehyde-resistant environment-friendly ecologic wall paper is characterized in that the PVC thickener comprises the following raw materials in parts by weight: 40 to 45 parts of PVC powder, 12 to 15 parts of nano-titanium dioxide, 5 to 8 parts of nano- bamboo charcoal powder, 1 to 2 parts of silver nitrate, 5 to 6 parts of alum, 5 to 8 parts of iron-ore slag powder, 4 to 5 parts of poly-tetra-fluoro-ethylene, 4 to 8 parts of quartz sand, 36 to 38 parts of triethyl citrate, 2.0 to 2.5 parts of zinc dialkyl dithiophosphate, 1 to 2 parts of nano-alundum powder, 2 to 4 parts of potassium hexatitanate powder, and 3 to 5 parts of an assistant. As the assistant is added, the formaldehyde-resistant environment-friendly ecologic wall paper can purify air; the formaldehyde-resistant environment-friendly ecologic wall paper is reasonable in formula, safe, nontoxic, high in surface smoothness and evenness, and odor-free, can resist formaldehyde permanently and purify indoor air, and is ecologic and environment-friendly.

The invention relates to a healthcare board with an anion function. The healthcare board comprises a substrate layer and a surface board layer, wherein tourmaline anion powder and an adhesive layer are arranged at the joint of one surface or two surface of the surface board layer and the substrate layer; the mass ratio of the adhesive to the tourmaline anion powder is 100:(3-20); the adhesive layer also comprises lignin; the mass ratio of the lignin to the adhesive is (0-10):100; the substrate layer is a multi-layer board; the tourmaline anion powder and the adhesive layer are also arranged among the layers. The lignin is taken as a disperse modifier, and mainly plays a role in evenly dispersing active ingredients in an adhesive system. According to the healthcare board with the anion function, more than 500 / (s.cm<2>) of air anions can be continuously generated on the surface, so as to sterilize the surface, remove a peculiar smell and a harmful gas, and purify indoor air. Far infrared wave band generated by the piezoelectricity can activate cells of a human body, and adjust physiological activity, so that the healthcare board has a good healthcare effect.

The invention provides a graphene far infrared negative oxygen ion electric heating mural. Far infrared rays and negative oxygen ions can be continuously released, a role in physical therapy and health care is effectively played for users, indoor air can be purified, and a comfortable environment is provided for the users. A graphene heating layer in the graphene far infrared negative oxygen ion electric heating mural can rapidly generate heat and improve indoor temperature after being electrified, the graphene far infrared negative oxygen ion electric heating mural can be used once turned onand is stopped once turned off, so that the heating effect is good, and the energy loss caused by conventional heating is greatly reduced; and at the same time, the mural is decorated with patterns onthe surface, is exquisite and beautiful, is suitable for indoor decoration in various occasions such as home, an office and catering service, is rich in functions and serves many purposes at one stroke.

The invention discloses a three-dimensional paddy field. Two grid-shaped plates are used for clamping middle filter materials such as broken stones and the like, so that a vertical wall body is formed; the top of the vertical wall body is provided with a water tank; a dripping pipe which is parallel to the vertical wall body is connected to the water tank; the bottom of the vertical wall body is provided with a water pool; water in the top water tank drips into the filter materials such as broken stones and the like through the dripping pipe, permeates, flows and returns into the bottom water pool; fishes can be cultivated in the bottom water pool; a water pump water replenishing system is arranged between the top water tank and the bottom water pool; when the top water tank lacks water, water is pumped from the bottom water pool with a water pump for replenishing, so that a water body continuously flows circularly up and down; rows of culturing grooves are horizontally formed on both sides of the vertical wall body respectively; and substrates which are suitable for plants to grow such as soil and the like are filled into the culturing grooves for culturing plants.

The invention provides negative-ion anti-formaldehyde ecological wallpaper, comprising a wallpaper substrate, and a surface coating layer compounded on the surface of the wallpaper substrate, wherein the surface coating layer comprises paint, negative-ion powder and a formaldehyde remover. In the negative-ion anti-formaldehyde ecological wallpaper provided by the invention, the formaldehyde remover has the effects of adsorbing, fixing and degrading formaldehyde and has good removal effect for formaldehyde of surrounding environment; and not only does the negative-ion powder have durable negative-ion generation function, far-infrared emission function and good sterilization and bacteriostasis function, but also negative ions relieved by the negative-ion powder have strong redox capacity, can decompose organic gases such as formaldehyde and the like, thereby improving the capability for removing formaldehyde continuously and durably of the formaldehyde remover. Experimental results show that the negative-ion anti-formaldehyde ecological wallpaper provided by the invention can remove formaldehyde in the environment chronically, durably and effectively, purifies indoor air, and is helpful for keeping human health.

The invention relates to a method for preparing a tourmaline / titanium oxide composite sol and its purposes. The mass percentage of raw materials and feeds is listed: titanate with 5-15%, anhydrous alcohol with 60-90%, organic acid with 3-13%, inorganic acid with 2-15%, deionized water with 0.5-1.5%, tourmaline with 0.001-3%, tombarthite with 0.0004-0.0008%, the total is 100%. The said titanate is one of the kinds such as methyl titanate, ethyl titanate, butyl titanate, titanic chloride and titanoxy sulfate. The said organic acid is one of the kinds such as acetic acid, oxalic acid, formic acid and monosulfonic acid. The said inorganic acid is one of the kinds such as concentrated sulfuric acid, concentrated nitric acid and concentrated chlorhydric acid. The said tourmaline is one or more of the kinds such as iron-tourmaline, elbaite and dravite. The said tombarthite is one of the kinds such as lanthanum, europium nitrate, erbium nitrate, cerous nitrate and neodymium nitrate. The invention also provides the method for preparation of the said sol and its main purposes.

In order to solve the problem of environmental pollution of the conventional coating, the invention provides a novel nano sterilizing anionic double-component aqueous wood finishing paint and a preparation method thereof. The nano sterilizing anionic double-component aqueous wood finishing paint provided by the invention comprises a component A and a component B, wherein the component A comprises the following components in part by weight: 65 to 90 parts of acrylic resin, 0.2 to 0.4 part of antifoaming agent, 0.4 to 0.6 part of composite nano anionic powder, 0.1 to 0.3 part of dispersant, 0.5 to 1.5 parts of thickening agent and 15 to 25 parts of water; and the component B comprises the following component in part by weight: 40 to 60 parts of water-dispersed polyisocyanate, wherein the weight of the component A is 1.5 to 2.5 times that of the component B. The nano sterilizing anionic double-component aqueous wood finishing paint has the technical advantages of environmental protection, strong sterilization and mildew prevention, capability of constantly releasing anions and purification and indoor air.

The invention belongs to the technical field of building inner wall decorative materials and relates to a low-temperature far-infrared integral electric heating tender porcelain decorative material and a preparation method thereof. The low-temperature far-infrared integral electric heating tender porcelain decorative material is composed of a soft porcelain layer, a heat conductive waterproof layer, an electric heating layer and a heat preservation layer in sequence. The preparation method of the integral electric heating tender porcelain decorative material comprises the following steps that a silicone-acrylate emulsion, medical stone powder and cement and the like are prepared into slurry, and the slurry is poured into a mould, and after drying is conduced, the soft porcelain layer is obtained; then the surface of the soft porcelain layer is coated with waterborne polyurethane heat conductive insulating glue and conductive resin, and after drying is conducted in sequence, the heat conductive waterproof layer and the electric heating layer are obtained; and finally, a glass fabric is sufficiently immersed through waterborne polyurethane glue and covered on the electric heating layer, and after drying is conducted, the electric heating tender porcelain decorative material is obtained. The obtained electric heating tender porcelain decorative material has decorative and electric heating functions, has the properties of sterilization and bacteriostasis, releasing beneficial far infrared rays and being excellent in water and pollution resistance, and can work for a long time at the temperature ranging from minus 20 DEGC to 35 DEGC.

The present invention relates to a plant cultivation apparatus fixed to a wall. The purpose is to increase the space efficiency of plant cultivation, purify indoor air, facilitate the changing of potted plants, and help educate children about plant cultivation. Said purpose is achieved by comprising: a water storage portion, which is provided inside a case having one side openable / closable by a hinge portion and capable of storing water; a submersible pump, which is provided inside the water storage portion and capable of providing water through a supply hose of which one end is connected to an outlet by the application of an electric power; a plurality of pot accommodation members which are layered and fixed to the surface of a wall while penetrating a supply hose, of which one end is connected to the submersible pump, from bottom to top, can accommodate multiple types of pots having a plant planted at the front surface and comprising a water supply member which is formed on a bottom surface and capable of supplying water, and comprise a pot accommodation body and a connection covering potion formed on the bottom surface so as to allow the supplied water to flow from one direction to another direction and to be automatically discharged to the water storage portion through a discharge hose; and a control portion, which is fixed to the lateral side of the case or the surface of a wall, for controlling the operation of the submersible pump and comprising a timer for setting the operation time of the submersible pump.

The invention relates to a rubber-toughened SBS formaldehyde-free universal adhesive and the preparation method thereof. The rubber-toughened SBS formaldehyde-free universal adhesive is characterized in that the adhesive is composed of linear butadiene-styrene thermoplastic elastomer 3% to 5%, star-shaped butadiene-styrene thermoplastic elastomer 7% to 9%, styrene-butadiene rubber 2.7% to 3.7%, petroleum resin 20.8% to 24.8%, formaldehyde-removing additive 1.4% to 2.6%, antioxidant 1.2% to 1.8%, petroleum ether 37% to 43%, oil solvent 16.5% to 19.5% and essence 0.4% to 0.6%. The preparation method comprises the following steps: (1) weighting the above materials according to the ratio; (2) adding styrene-butadiene rubber in the step (1) into a mixing roll machine for plasticizing, thin-passing and discharging sheets, adding the sheet material into a vertical high-speed stirring kettle, adding the oil solvent in the step (1) into the high-speed stirring kettle, dissolving, and stirring until the sheet material is dissolved completely to obtain the semi-product; and (3) respectively adding the residual material components into the stirring kettle implementing step (2), stirring and dissolving to obtain the final product. The rubber-toughened SBS formaldehyde-free universal adhesive can remove free formaldehyde released from boards and has the remarkable effects on protecting environment and maintaining human health during house decoration.

The invention discloses an environment-friendly wall material for interior wall decoration and a preparation method of the wall material. The wall material can continuouly absorb and decompose formaldehyde, has a sterilization function and mainly comprises 1-3 parts of titanium-loaded porous material, 1-3 parts of manganese-loaded porous material, 1-3 parts of silver-loaded porous material, 20-30 parts of talcum powder, 10-20 parts of quartz sand, 40-60 parts of diatomite, 1-3 pats of algin, 1-3 parts of methyl cellulose and 2-5 parts of chitosan gum. The ingredients are uniformly mixed with water in the mass ratio of 1:1 after being mixed, and then the mixture is spread on a wall through a scraper to dry and form naturally. The environment-friendly wall material doesn't release formaldehyde and other gases harmful to human bodies, can adsorb and decompose common indoor harmful gases for a long time and has the effects of killing pathogenic bacteria and adjusting indoor humidity.

The invention discloses an active static anti-haze screen window. The window is composed of two outer metal filter screens, a built-in threadlike high voltage electrode layer and a high voltage direct current static generator circuit. Outdoor haze particles are effectively prevented from entering the interior through the coulomb force by means of the polarization and charging actions of a high voltage static field to small dust, and indoor air is purified. When in use, firstly, a high voltage direct current static generator power supply switch is turned on, the negative electrode of a high voltage output end is connected with the outer metal filter screens, the positive electrode of the high voltage output end is connected with a high voltage electrode terminal of the built-in threadlike high voltage electrode layer, and a high voltage symmetrical uneven static field is formed in the screen window; and then, the screen window is opened for ventilation, and the outdoor haze is blocked and the indoor air is purified in the flowing process of natural air. According to the active static anti-haze screen window, the overall structure is simple, and processing and manufacturing are easy; two gears are provided, the lower gear is used for blocking the outdoor haze, and no ozone is generated at the moment; and the higher gear is used for blocking the outdoor haze and can further purify the indoor air.

The invention discloses a preparation method of anion wall plates and floors capable of purifying indoor air. The preparation method comprises the steps of preparing materials, wherein polypropylene resin and a performance improving agent are weighed and put into a mixing machine; conducting heating and stirring, so that a material mixture is formed; raising the temperature of the material mixture, conducting stirring, and sending the material mixture into a cold mixing treatment machine for conducting slow stirring and temperature lowering; weighing other raw materials other than the polypropylene resin and the performance improving agent, and putting the materials into the mixing machine; conducting heating, raising the temperature, conducting stirring, and putting obtained materials into an extruder for pressure extrusion; and conducting cooling, traction and cutting on extruded sheets, so that finished products are obtained. The products manufactured through the method are high in surface brightness, free of clamminess, attractive in appearance, firm, durable, free of deformation, good in quality and wide in application scope and has good development prospect.

The invention discloses an activated carbon air purifying plate. The prescription comprises the following raw materials in percentage by weight: 15-50 percent of powdered activated carbon, 10-40 percent of expanded perlite, 0.05-2 percent of organic silicon water repellent and 30-45 percent of adhesive, wherein the organic silicon water repellent can not be added before die compression and is sprayed on the surface after being discharged out of a drying chamber, and the ratio of the organic silicon water repellent and water is 1:7-12 during spray. The activated carbon air purifying plate is prepared by the following steps of: uniformly mixing and stirring the adhesive and the organic silicon water repellent; uniformly mixing with the expanded perlite; adding the powdered activated carbon to be uniformly stirred; screening mixed raw materials, wherein the specification of a screen is 0.8-1.5mm; compressing the screened materials into a die to form a blank at the pressure of 5-25MPa; naturally drying a moulded blank; grinding, trimming, engraving, tinting and drying the moulded blank; and packaging after normal temperature. The invention combines the decoration and the air purifying function, beautifies the environment, purifies indoor air, adsorbs sound and preserves the temperature without occupying indoor space.

The invention relates to the field of decoration materials, in particular to a tile with photocatalyst antibacterium effects, which substantially comprises a tile, a protecting layer and a photocatalyst coating. Due to the fact that the photocatalyst coating can carry out oxygenolysis to various organic compounds and part of inorganics, first the protecting layer which has no damaging effect on the tile is sprayed on the tile, and then the photocatalyst coating is coated. A layer of nanometer film is formed after a TiO2 photocatalyst is sprayed on the surface of a base material of the tile, reactive oxygen and oxy-hydrogen free radicals are generated under the irradiation of sunlight ultraviolet and enable pollutants including oil stain and bacteria and the like which are attached to the tile to be forcefully resolved into carbon dioxide and water, adhesion of the dirt and the dust to the surface is greatly reduced, the antibacterium effect is achieved, and indoor air is purified.

The invention discloses a sterilizing fumigation preparation, which is characterized by consisting of the following components by weight: 2 to 4g of rhizoma atractylodis, 4 to 6g of cedar leaves, 4 to 6g of Chinese mugwort leaf, 0.5 to 1.5g of angelica dahurica, and 0.5 to 1.5g of wrinkled gianthyssop herb. The sterilizing fumigation preparation has the advantages of having good sterilizing effect and effectively purifying indoor air.

In order to solve the problem of environmental pollution of the conventional coating, the invention provides a novel nano anionic double-component aqueous wood finishing paint and a preparation method thereof. The double-component aqueous wood finishing paint provided by the invention comprises a component A and a component B, wherein the component A comprises the following components in part by weight: 65 to 90 parts of acrylic resin, 0.2 to 0.4 part of antifoaming agent, 0.4 to 0.6 part of composite nano anionic powder, 0.1 to 0.3 part of dispersant, 0.5 to 1.5 parts of thickening agent and 15 to 25 parts of water; and the component B comprises the following component in part by weight: 40 to 60 parts of water-dispersed polyisocyanate, wherein the weight of the component A is 1.5 to 2.5 times that of the component B. The nano anionic double-component aqueous wood finishing paint has the technical advantages of environmental protection, capability of constantly releasing anions and purification and indoor air.

The invention belongs to the field of articles for daily use, and discloses a three-dimensional intelligent balcony flower stand which is controlled intelligently via a PLC (Programmable Logic Controller) circuit. The three-dimensional intelligent balcony flower stand comprises a motor, belt wheels, a PLC, driving belts, driving positioning blocks, driven positioning blocks, driven belts, flowerpots and flower pot guide rails. A PLC intelligent control system is applied, and the moving directions of the flower pots are set via the PLC intelligent control system, so that sunlight can be shielded after the flowerpots are scattered; more sunlight can penetrate the flower stand after the flowerpots are concentrated. According to the three-dimensional intelligent balcony flower stand, the balcony and indoor light conditions are improved, and the light-receiving condition of plants is improved; moreover, the flower pots are placed in a three-dimensional way, so that indoor space is saved, and life is beautified.

The invention provides an extractor hood, comprising a machine shell, an exhaust fume collecting hood, a centrifugal fan, a panel, an oil net, a guide plate and an oil collecting groove, wherein left and right angle slots penetrating through the front lower part of the shell are formed in the front lower part of the machine shell, and a front opening of a front wall plate is arranged in each angle slot; an air outlet is formed in a front lower inclined plate of the machine shell, and air inlets are formed in the side wall plates of the machine shell at the two ends of the front lower inclined plate; a gap with an upper opening is formed in the upper part of the panel, and the lower part of the gap is provided with an oil collecting fume hole, and the oil net is arranged on the oil collecting fume hole; the extractor hood further comprises an air direction adjustable air discharging device; the air discharging device can discharge air left, right and above / below the front surface. According to the structure of the extractor hood, when the air discharging direction faces towards the lower part of the front surface, an air flow layer is formed in the front of the extractor hood to prevent fume from leaking into the room; the air direction adjustable air discharging device charges the air from two sides of the machine shell so that indoor air flows to the machine shell to prevent the fume from overflowing into the room; the air direction adjustable air discharging device also can serve as a summer heat relieving device to purify the indoor air in work.

The invention discloses safety energy-saving hollow glass, which comprises an internal layer of glass and an external layer of glass between which a cavity is kept; a coating film with the function of heat insulation and preservation is arranged outside the external layer glass; coating films with the functions of enhancing glass strength are arranged inside the external layer of glass and outside the internal layer of glass, insulating sound wave and filtering ultraviolet rays; and a coating film with the functions of absorbing, purifying and decomposing indoor radioactive and poisonous gases is arranged inside the internal layer of glass. The structure of the invention has the functions of obviously improving heat insulation and preservation property, increasing anti-seismic and anti-impact intensity, purifying indoor air, and absorbing, purifying, and decomposing radioactive gas radon, volatilizing gases of methyl aldehyde, benzene and methylbenzene, and bacterial viruses in building decoration materials.