33results about How to "Improve indoor air environment" patented technology

The invention discloses a convective circulation constant temperature and humidity purification air interchange system which comprises a main control unit, and a power supply system, a temperature detection unit, a humidity detection unit, a fan system and an air regulating unit which are respectively connected with the main control unit. The convective circulation constant temperature and humidity purification air interchange system is mainly supplied with power by using a solar cell pack assisted by a storage battery and an external power supply; according to information detected by the temperature sensor, the humidity sensor, a switch detection pin, a voltage and current detection circuit and a touch control system and set parameters, centralized control and centralized information processing are carried out by the main control unit so as to control energy acquisition and intelligently regulate operation states of a charge circuit, the fan system, a heater, a humidifier and a photocatalyst anion oxygen bar, thus temperature, humidity and oxygen content of an indoor air environment are controlled, the indoor air environment is improved and meets requirement for human body comfort, and purposes of saving energy, reducing emission and protecting environment are achieved.

The invention relates to a chaos theory based natural wind simulation device, comprising a chaos equation signal output unit, a computer, a protocol converter, a frequency converter, an analog quantity output unit and at least one group of fan, wherein the chaos equation signal output unit is used for generating fluctuation signals; the computer is used for receiving the fluctuation signals and converting the fluctuation signals into control signals to be output; the protocol converter is used for connecting the computer and the frequency converter and converting the received control signals into digital signals to be output; the frequency converter is used for receiving the digital signals and converting the digital signals into analog signals to be output; and the analog output unit is used for receiving the analog signals and outputting the analog signals to a motor in the fans, and the motor is used for controlling the rotation of fan blades according to the received analog signals so as to ensure that comfortable and changeable simulated natural wind is generated. By simulating the natural wind based on a chaos theory to be output by common electric fans or air conditioners, the invention greatly improves an indoor air environment.

The invention discloses an intelligent control method of a ventilator and a ventilator system. The method comprises the following steps that first indoor air quality data of the space where the ventilator is located is acquired, and a first indoor air quality index is calculated according to the first indoor air quality data; the first indoor air quality index is compared with an outdoor air quality index, and if the first indoor air quality index is larger than the outdoor air quality index, the ventilator is started to be operated. According to intelligent control method and the ventilator system, the indoor air quality and the outdoor air quality are compared, when the indoor air quality is worse than the outdoor air quality, the ventilator is automatically started to carry out indoor and outdoor air exchange, so that the indoor air quality is improved, a good indoor air environment can be created for a user, and the intelligent degree is high; and a plurality of ventilators can becontrolled to work cooperatively, an air circulation field is formed in the room, and a whole-house intelligent ventilating system is formed.

The invention discloses a wall structure used for an anti-seismic energy-saving house. The wall structure comprises a main wall body, a thermal insulation coating on the inner side of the main wall body, a thermal insulation layer, a water-proof layer and a greening layer, wherein the thermal insulation layer, the water-proof layer and the greening layer are arranged on the outer side of the mainwall body from inside to outside in sequence; the main wall body is formed by laying anti-seismic environment-friendly bricks of a cuboid structure, and a plurality of orthohexagonal through holes areformed in the top faces and the lateral faces of the bricks; the main wall body further comprises steel bars arranged in the through holes and concrete poured into the through holes; the thermal insulation layer is made from a light thermal insulation material, and the interior of the thermal insulation layer is of a cellular structure; the greening layer is formed by laying hollow building blocks, and the greening layer is filled with a plant growing medium and light cellular concrete. By means of the wall structure, the anti-seismic performance of the wall can be improved, the building energy consumption can be effectively reduced, external wall greening can be added by the greening layer, so that the interior of a building is made warm in winter and cool in summer, the indoor air environment is optimized, dust is collected, noise is reduced, and the energy-saving and environment-friendly effects of the wall are further improved.

The invention provides an efficient environment-friendly air sterilization and disinfection purifier, and belongs to the technical field of air purification. The purifier comprises a shell, an air inlet fan, an air inlet motor, a static electricity filter net and an active carbon filter net, the air inlet fan is arranged on the left side of the shell, the static electricity filter net is arrangedon the right side of the air inlet fan, the active carbon filter net is arranged on the right side of the static electricity filter net, a filter net mounting groove is formed in the upper portion ofthe shell, the static electricity filter net and the active carbon filter net are inserted in from the filter net mounting groove, an exhaust fan is arranged on the right side of the shell, a controller is arranged on the shell, and ultraviolet disinfection lamps are arranged on side plates of the shell. A water tank is arranged in the shell, and an atomizer is arranged on the lower portion of thewater tank. Fine particle, bacteria, viruses and other harmful substances in air can be effectively filtered, the air inlet fan and the exhaust fan are arranged to accelerate air flowing rate, the purifying speed is increased, filter net mounting and dismounting are quite convenient, the ultraviolet disinfection lamps are arranged, bacteria and viruses absorbed on the filter net can be effectively killed, an air humidifying device is arranged, and indoor air environment is effectively improved.

The invention relates to a manufacturing method of a Tibetan decorative brick tea which is manufactured by the processes of collecting tea, detecting, deactivation of enzymes, fermentation, drying, watering and stirring, pressing in a mold, drying again preparing for a bracket and packing. The brick tea of the invention has the advantages of low-temperature natural manufacturing technique, no chemical additive and being capable of maintaining the helpful substance in the tea; a prepared brick tea is convenient for storing, carrying and drinking, which can emit tea perfume into a room, thus improving indoor air and decorating the environment.

The invention relates to the technical field of modular buildings, and discloses movable modular fire-fighting on-duty guarantee equipment. The movable modular fire-fighting on-duty guarantee equipment comprises a garage module, a lower layer module, an interlayer module and an upper layer module. The garage module is internally provided with a first fire-fighting garage chamber, a second fire-fighting garage chamber and a third fire-fighting garage chamber from left to right and in a side-by-side structure mode in sequence. The lower layer module is arranged on the outer side of a steel structure module, wherein the upper end face of the lower layer module is lower than the upper end face of the steel structure module. The interlayer module is arranged on the upper end face of the lower layer module, wherein the upper end face of the interlayer module is flush with the upper end face of the steel structure module. The upper layer module is arranged on the upper end faces of the steelstructure module and the interlayer module, wherein the steel structure module, the lower layer module, the interlayer module and the upper layer module are spliced together as a whole. The removablemodular fire-fighting on-duty guarantee equipment has the advantages of achieving modular assembly, being removable, reusable and removable, having no construction waste and achieving environmental protection.

The invention relates to the technical field of building materials, in particular to a manufacturing method for an autoclaved aerated concrete block. The manufacturing method comprises the following steps: S1, selecting mint, climbing groundsel herb, tea leaves and dry ginger, and grinding and smashing the materials to obtain an A product; S2, mixing sand, gypsum, ceramic waste residue and coal ash with water, and grinding the mixture into mixed slurry to obtain a B product; S3, mixing lime, cement, a foaming agent, a water-retaining agent, a foam stabilizer, fiber and the A product with the Bproduct, and stirring to form a C product; S4, mixing a formaldehyde purification adsorbent, tea leaves and fiber to obtain a D product; S5, pouring a first layer of the C product at the bottom of amold, then paving the D product on a first layer of the C product, then pouring a second layer of the C product on the D product to obtain a blank, and warming and precuring the blank; and S6, demolding the precured blank, and carrying out cutting, autoclaved curing and cooling to obtain the finished product. The obtained autoclaved aerated concrete block is relatively high in adsorption capacityfor toxic and hazardous substances such as formaldehyde, benzene and ammonia.

The invention discloses inner wall putty with antibacterial and odor removing effects and a preparation method of the inner wall putty with the antibacterial and odor removing effects. The inner wall putty is prepared from the following components calculated in parts by weight: 150 to 200 parts of calcium carbonate, 10 to 12 parts of titanium dioxide, 6 to 8 parts of cellulose, 40 to 50 parts of ash calcium powder, 100 to 150 parts of white cement, 30 to 45 parts of expanded perlite, 5 to 8 parts of charcoal dust, 8 to 10 parts of preservatives and 3 to 5 parts of mould inhibitors. The inner wall putty disclosed by the invention has the advantages of being high in strength, anti-cracking, good in insulation performance, high in flexibility and the like, and is capable of carrying out sterilization and removing odors, and further can adjust the indoor humidity to improve indoor air environment. In addition, the invention further provides the preparation method of the inner wall putty with the antibacterial and odor removing effects. The inner wall putty prepared by the preparation method is small in particle size and easy to mix and does not drop dregs and peel off and has no expansion while meeting dampness and water.

The invention discloses haze-removal interior wall latex paint and a preparation method thereof. The latex paint is prepared from the following raw materials in parts by mass: 25-30 parts of a hydrophobic and oleophobic emulsion, 15-20 parts of rutile type titanium dioxide, 5-10 parts of nano tourmaline powder, 0.3-0.5 part of modified hydroxyethyl cellulose, 3-18 parts of filler, 0.5-1.0 part of a defoamer, 0.1-2.0 parts of a dispersant, 0.5-1.0 part of a thickener, 0.1-0.5 part of a sterilizing agent, 0.1-0.5 part of a preservative, 0.1-0.5 part of a pH regulator, 0-2 parts of a coalescing agent, 0-5 parts of a function additive and 15-25 parts of water. The haze-removal interior wall latex paint disclosed by the invention is low in VOC, can decompose formaldehyde and release negative oxygen ions, and can remarkably improve the indoor air environment if being used for indoor decoration, and people can live in the house quickly. Compared with same types of products in the market, the latex paint has the characteristics of being high in contrast ratio, excellent in washing resistance, stain resistance and the like. The latex paint is simple in preparation method and low in cost and can be widely popularized and used.

The invention discloses a novel air conditioning device, which is utilized to play a role in adjusting indoor dryness and humidity. In order to achieve the above aim adopted the technical scheme is that the inner air conditioning tank comprises a tank body and a hydrophilic gel mixture filled in the tank body, wherein a feeding hole is arranged at the upper section of the tank body, a discharge hole is arranged at the lower section of the tank body, and an air replacement hole is at least respectively arranged at the two sides of the tank body. The feeding hole and the discharge hole are provided with protruding pipes, and terminal threads of the protruding pipes are connected with sealing covers. The air replacement hole is provided with a protruding pipe, one inner side of the protruding pipe adjacent to the tank body is provided with a protective separation filter screen, and the terminal of the pipe is connected with a connecting thread. The upper section of the tank body is provided with a feeding hole, the lower section of the tank body is provided with the discharge hole, and the sealing cover is unscrewed according to situations, so as to conveniently add or extract the hydrophilic gel mixture, or ingredients. The air replacement hole is provided with the protruding pipe, one inner side of the protruding pipe adjacent to the tank body is provided with the protective separation filter screen, and the terminal of the pipe is connected with the connecting thread; on the one hand, the exudation of the containing water of the hydrophilic gel mixture and the like can be prevented, and the replacement of air can not be influenced; and on the other hand, the air replacement hole can be connected with a pipeline, so as to arrange an air replacement outlet.

The invention discloses a sound insulation ventilation window for a building. The sound insulation ventilation window comprises a window frame and glass arranged on the window frame, two ventilation devices are symmetrically arranged on the side wall of the window frame, the ventilation devices comprise movable cavities arranged in the window frame, outer air holes and inner air holes communicating with the movable cavities are formed in the two sides of the window frame, U-shaped air storage grooves are formed in the inner walls of the movable cavities, the two ends of the air storage groovescommunicate with the interiors of the movable cavities, and a front ventilation structure and a side ventilation mechanism are arranged in the two movable cavities correspondingly. The sound insulation ventilation window has the advantages that due to the common ventilation effect of the walls on the two sides of the building, external air enters one side of the wall surface of the building, indoor air is exhausted outwards from the other side of the wall surface of the building, internal and external air circulation is integrally formed, indoor ventilation is realized, a good indoor air environment is guaranteed, and the sound insulation effect is not influenced.

The invention relates to a cabinet-type air conditioning unit with a dedusting device. The cabinet-type air conditioning unit comprises an indoor unit shell, an air inlet and an air outlet. The cabinet-type air conditioning unit is characterized in that the dedusting device is mounted in the shell and comprises a charging device used for charging dust and a filtering device used for adsorbing charged dust, the charging device is mounted at the air outlet, and the filtering device is mounted at the air inlet. The charging device and the filtering device are matched with each other for use, PM2.5 dust particles in air can be effectively removed, and indoor air environment can be improved; the filtering device is arranged on a steel wire protecting net, so that the cabinet-type air conditioning unit further has the advantages of high dedusting efficiency, low wind resistance and easiness in demounting and cleaning.

The invention discloses an intelligent indoor air purification system with a drying function and a dehumidifying function and a control method thereof. The intelligent indoor air purification system comprises a humidification device, a dehumidification device, an air detection device and a processor, wherein the humidification device, the dehumidification device, the air detection device and the processor are arranged indoors; the air detection device is used for detecting the indoor humidity and the indoor PM2.5 value; the processor is connected with the air detection device, the humidification device and the dehumidification device and used for receiving the indoor humidity and the indoor PM2.5 value output by the air detection device and judging whether the indoor humidity and the indoor PM2.5 value are greater than preset threshold values or not; when the indoor humidity and the indoor PM2.5 value trigger the preset threshold values, the humidification device or / and the dehumidification device are started. The intelligent indoor air purification system further comprises a control terminal which is connected with the processor, wherein the control terminal is used for receiving operation instructions, displaying the indoor humidity and the indoor PM2.5 value or prompting the indoor humidity and the indoor PM2.5 value in a voice mode, and setting the starting and stopping of the humidification device and the dehumidification device. The humidification device, the dehumidification device and the air detection device are arranged in a spaced mode, and the air detection device is arranged between the humidification device and the dehumidification device. By the adoption of the intelligent indoor air purification system, indoor PM2.5 dust can be effectively removed, the proper indoor humidity is kept, and a good indoor air environment is guaranteed.

The invention relates to the technical field of air purification, in particular to an indoor and outdoor haze-proof purification window based on ultrasonic atomization. The indoor and outdoor haze-proof purification window comprises a window body and a purification device which are fixedly connected. The purification device is provided with an outer shell and comprises an air inlet, an atomization zone, a condensing zone, a recirculation zone and an air outlet; the air inlet communicates with the atomization zone through a channel, one end of the recirculation zone communicates with the atomization zone, and the other end of the recirculation zone communicates with the condensing zone; the condensing zone communicates with the air outlet; through an ultrasonic atomization technology and a condensation dehumidification technology, three different working modes of natural ventilation, indoor purification and haze-proof air exchanging are provided, the air purification effects that a user wants to achieve under different condition requirements are achieved, the indoor and outdoor ventilating, dedusting and haze-proof purification effects can be achieved, indoor air cyclic purification can also be continuously kept, and the indoor and outdoor haze-proof purification window has the advantages that use and care maintenance are facilitated, and the indoor air environment is improved.

The invention discloses multi-purpose air regulation and fire refuge equipment for a residential toilet. The multi-purpose air regulation and fire refuge equipment comprises a control box, a control face board, a three-way valve, a smoke filter, a two-way pipeline fan, an air butterfly valve and a plurality of air sensors, wherein the control face board, the three-way valve, the smoke filter, thetwo-way pipeline fan, the air butterfly valve and the plurality of air sensors are electrically connected with the control box correspondingly; an inlet and outlet A of the three-way valve communicates with an outdoor ventilation opening or a ventilation opening leading to other rooms in the toilet through a pipeline, an inlet and outlet B communicates with a public ventilation opening through a pipeline, an inlet and outlet C sequentially communicates with the smoke filter and an air inlet of the two-way pipeline fan through a pipeline, and an air outlet of the two-way pipeline fan faces theground of the toilet; and the two ends of the air butterfly valve communicate with the inlet and outlet C of the three-way valve and the air inlet of the two-way pipeline fan through pipelines correspondingly, and the air butterfly valve is in an open state during exhausting and in a closed state during air inlet. According to the multi-purpose air regulation and fire refuge equipment for the residential toilet, not only can ventilation be carried out on the toilet in a normal bathing state, but also it can be ensured that a room is in a positive pressure state in a fire disaster and smoke isprevented from entering the room.

The invention relates to a formaldehyde-removing waterborne sealing primer used for an artificial board. The sealing primer comprises the following components: waterborne resin or emulsion, PVB resin, a formaldehyde remover, a film-forming auxiliary agent, a defoaming agent, a leveling agent, a thickening agent and water, wherein the formaldehyde remover is a waterborne dispersion prepared by surface modification of nanoscale attapulgite / nanometer sepiolite powder / negative-ion powder. The formaldehyde-removing waterborne sealing primer used for the artificial board provided by the invention has superstrong capability of adsorbing formaldehyde gas, and can continuously and effectively remove a variety of harmful gases and odors like the formaldehyde gas and ammonia gas volatilized from the artificial board; meanwhile, the sealing primer also has the advantages of negative-ion ecology, capability of killing bacteria and mold, no generation of secondary pollution, improvement of an indoor air environment, and extensive application in surface sealing coating of a variety of artificial boards.

The invention discloses a heat insulation structure for roofs. The heat insulation structure comprises a building slab arranged on the topmost layer of a roof structure, heat insulation ceramic tiles are obliquely and symmetrically mounted on both sides above the building slab, a plurality of water storage pipes for storing water are vertically mounted between the heat insulation ceramic tiles and the building slab in an arraying manner, the water storage pipes are hollow, openings are respectively formed in the tops of the water storage pipes, the bottoms of the water storage pipes are respectively fixed on the building slab with concrete, the top edges of the water storage pipes are respectively fixed on the lower side surfaces of the heat insulation ceramic tiles by using concrete, water leaking holes are respectively formed in the positions corresponding to the openings of the water storage pipes, on the heat insulation ceramic tiles, and rain water enters in the water storage pipes through the water leaking holes. According to the heat insulation structure disclosed by the invention, on one hand, heat is blocked by an interval structure, so that the heat insulation structure has the effect of heat insulation, and on the other hand, due to the evaporation of the stored rain water, the heat insulation structure has the effect of heat dissipation, so that users living in a top building can feel cool, and the using time of air conditioners in high-temperature weather is shortened.

The invention discloses a floor cleaning agent with functions of degerming, disinfection, lustering and maintenance. The floor cleaning agent is prepared from the following components in parts by weight: 10-15 parts of ethanol, 5-7 parts of natural surfactant, 3-5 parts of amphoteric surfactant, 4-8 parts of bioenzyme, 4-7 parts of pomelo peel extract, 1-3 parts of sodium citrate, 5-8 parts of sodium carbonate, 2-3 parts of carnauba wax, 2-3 parts of brightening agent, 1-3 parts of antibacterial agent and 10-15 parts of water. The floor cleaning agent has favorable cleaning effects on various stains on the floor, such as inorganic stains, organic stains and blood stains. The floor cleaning agent can remove abundant bacteria on the floor surface and keep the hygienic environment good in the room. The floor cleaning agent has favorable lustering and maintenance properties. The raw materials of the cleaning agent adopt pollution-free clean products, such as the pomelo peel extract, natural surfactant and bioenzyme, and thus, the cleaning agent is environment-friendly and biodegradable. The pomelo peel extract can improve the indoor air environment, and has favorable antibacterial properties. The raw materials are not corrosive, and thus, can not damage the paint coating on the floor surface, thereby prolonging the service life of the floor.

The invention discloses a sound insulation ventilation window for a building. The sound insulation ventilation window comprises a window frame and glass arranged on the window frame, two ventilation devices are symmetrically arranged on the side wall of the window frame, the ventilation devices comprise movable cavities arranged in the window frame, outer air holes and inner air holes communicating with the movable cavities are formed in the two sides of the window frame, U-shaped air storage grooves are formed in the inner walls of the movable cavities, the two ends of the air storage groovescommunicate with the interiors of the movable cavities, and a front ventilation structure and a side ventilation mechanism are arranged in the two movable cavities correspondingly. The sound insulation ventilation window has the advantages that due to the common ventilation effect of the walls on the two sides of the building, external air enters one side of the wall surface of the building, indoor air is exhausted outwards from the other side of the wall surface of the building, internal and external air circulation is integrally formed, indoor ventilation is realized, a good indoor air environment is guaranteed, and the sound insulation effect is not influenced.

The invention discloses a chemical foaming cement fireproofing heat-preservation structure, which is characterized in that the structure is an insulating layer formed by enabling chemical foaming composition to be poured on a wall face of buildings. Components of the chemical foaming composition comprises 120-180 parts of sulphoaluminate cement, 50-60 parts of coal ash, 7.5-12 parts of hydrogen peroxide, 0.8-1.3 parts of ethenyl ethanoate grease-ethylene copolymer emulsion, 0.5-4 parts of water reducer, 0.3-0.8 parts of polypropylene staple fiber, 3-7 parts of calcium stearate and 28-36 parts of water by weights. The chemical foaming cement fireproofing heat-preservation structure and the preparation method can effectively lowers cost, improve efficiency, reduce labor intensity, avoid a cold and hot bridge formed by pasting the heat-preservation structure and avoid blank drum cracking caused by construction and material faults. The chemical foaming cement fireproofing heat-preservation structure and the preparation method can be widely used in roofs and wall bodies of the buildings, and can well guarantee combustibility, thermal insulation property, water resistance and safety performance of the heat-preservation structure of the wall bodies.

The invention discloses a door lock provided with a door hook. The door lock comprises a lock body, a bolt orifice plate and a trapezoidal box, wherein the lock body is mounted at the side surface of the door body at the open side of the door via an open slot in the door; the trapezoidal box is mounted at a position, corresponding to the lock body, in the inner side of a door frame; the bolt orifice plate is arranged at the outer side of the trapezoidal box. According to the door lock provided with the door hook, the lock body is provided with a door hook base relative to the door frame or a wall on the other side; the door hook base is provided with a door hook which is a straight bar; a bent part of the front end of the door hook can be inserted into a door hook inserting hole for fixation so that a clearance is kept between the door hook base and the lock body; meanwhile, the door lock has the anti-theft function and ventilation function for the door and is capable of effectively improving the indoor air environment.

The invention discloses a photovoltaic shutter, and relates to the technical field of a shutter. The photovoltaic shutter comprises a main framework, wherein side cases are fixedly connected with twosides of the main framework; a top case is fixedly connected with the top of the main framework; the front side wall of the top case is fixedly connected with a fixing rod; one end of the fixing rod is fixedly connected with a detecting box; eleven connecting shafts penetrate through each of two sides of the inner walls of the main framework; one opposite ends of the two connecting shafts are fixedly connected with a rotating blade; the side wall of each rotating blade is fixedly connected with a photovoltaic cell; a driving mechanism is fixedly connected with each of two sides of the top surface of the main framework; and a ventilation mechanism is fixedly connected with the top surface of the main framework. Through a plurality of groups of brightness sensors, the automatic vision tracking is realized; the photoelectric conversion efficiency is improved; through mutual cooperation of a camera and a projector, the goal of protecting an outdoor image onto the back surface of the shutter to relieve the indoor repression environment is achieved; meanwhile, the air flowing can be realized through the ventilation mechanism; the indoor air quality is improved; and the comfort is improved.

The invention belongs to the technical field of lamps, and particularly relates to a negative ion intelligent sensing air purification, disinfection and sterilization lamp containing ozone, which comprises a lamp holder and a lampshade, the lampshade is arranged below the lamp holder, a disinfection shell is installed on the outer wall of the top of the lamp holder, and air inlet holes distributed at equal intervals are formed in the outer wall of the circumference of the disinfection shell; the air inlet holes incline upwards, a detachable positive plate frame plate fixing plate is fixedly installed in the lampshade, and a positive plate frame plate is fixedly installed on the outer wall of the top of the detachable positive plate frame plate fixing plate. According to the arranged microwave human body detection sensor, when a person leaves and forgets to turn off the lamp, the LED lamp assembly is controlled to be turned off through the processor, so that the problem of energy waste is avoided, and when the microwave human body detection sensor detects that a human body approaches, the processor can control the anion generator to stop working. Therefore, the discomfort of people with extremely few sensitive constitutions is reduced.

The invention relates to the technical field of building materials, in particular to a manufacturing method for an autoclaved aerated concrete block. The manufacturing method comprises the following steps: S1, selecting mint, climbing groundsel herb, tea leaves and dry ginger, and grinding and smashing the materials to obtain an A product; S2, mixing sand, gypsum, ceramic waste residue and coal ash with water, and grinding the mixture into mixed slurry to obtain a B product; S3, mixing lime, cement, a foaming agent, a water-retaining agent, a foam stabilizer, fiber and the A product with the Bproduct, and stirring to form a C product; S4, mixing a formaldehyde purification adsorbent, tea leaves and fiber to obtain a D product; S5, pouring a first layer of the C product at the bottom of amold, then paving the D product on a first layer of the C product, then pouring a second layer of the C product on the D product to obtain a blank, and warming and precuring the blank; and S6, demolding the precured blank, and carrying out cutting, autoclaved curing and cooling to obtain the finished product. The obtained autoclaved aerated concrete block is relatively high in adsorption capacityfor toxic and hazardous substances such as formaldehyde, benzene and ammonia.

The invention discloses a door lock provided with a door hook. The door lock comprises a lock body, a bolt orifice plate and a trapezoidal box, wherein the lock body is mounted at the side surface of the door body at the open side of the door via an open slot in the door; the trapezoidal box is mounted at a position, corresponding to the lock body, in the inner side of a door frame; the bolt orifice plate is arranged at the outer side of the trapezoidal box. According to the door lock provided with the door hook, the lock body is provided with a door hook base relative to the door frame or a wall on the other side; the door hook base is provided with a door hook which is a straight bar; a bent part of the front end of the door hook can be inserted into a door hook inserting hole for fixation so that a clearance is kept between the door hook base and the lock body; meanwhile, the door lock has the anti-theft function and ventilation function for the door and is capable of effectively improving the indoor air environment.

The invention relates to a method for manufacturing a decorative Tibetan tea brick, which is prepared by collecting tea leaves, testing, fixing, fermenting, drying, watering and stirring, pressing into a mold, drying again, preparing brackets, and packaging. The invention has a low-temperature natural manufacturing process, no chemical additives, and can keep the beneficial substances in the tea leaves. The prepared tea bricks are not only convenient for storage, carrying and drinking, but also have the functions of emitting tea fragrance indoors and improving indoor air and decoration environment.