124results about How to "Clean air" patented technology

A versatile compact air precleaner for separating heaver-than-air particulate debris from debris laden air has a retroflexed flow path through a separator chamber. A motor of a motor-driven fan is located in the flow path downstream from the separator chamber. A plurality of independently rotatably adjustable housing sections of a housing are formed with respective ones of the air precleaner debris laden air inlet, particulate debris ejector ports, clean air outlet, and mounts for mounting the air precleaner to a support to provide utility with multiple clean air outlet configurations, directions of ejection of particulate debris from the ejector ports, inlet configurations, precleaner sides for mounting, and filter sizes. A separator chamber end section including the ejector ports and the filter are connected forming a removable, disposable air filter cartridge which obviates ejector port clogging with change of filters.

Solutions for improving efficiency of a filter device for use with a machine requiring clean airflow are disclosed. In one embodiment, the filter device includes: a filter housing about an airflow inlet of the machine, wherein the filter housing comprises an air-permeable filter media configured to filter particles from multi-directional airflow moving through a substantial portion of the filter housing into the airflow inlet.

The invention provides a compound of a peculiar smell and formaldehyde removal plant extracting solution and a preparation method of the compound, and relates to the technical field of environmental protection technology. The compound of the peculiar smell and formaldehyde removal plant extracting solution is prepared from the following substances in parts by weight: 0.5 to 3 parts of a natural plant extracting solution, 1 to 5 parts of an emulsifier, 5 to 10 parts of a solubilizer and 82 to 93.5 parts of a solvent. The natural plant extracting solution is an effective component of the compound of the peculiar smell and formaldehyde removal plant extracting solution; the compound is subjected to compounding treatment to form a vegetal peculiar smell and formaldehyde removal disinfectant; the compound can be completely biodegraded, is free of secondary pollution and is natural and environmentally friendly; through mutual cooperation, all the substances generate irreversible reaction with formaldehyde and peculiar smell so as to reduce the concentrations of the formaldehyde and the peculiar smell to achieve the effect of eliminating the formaldehyde and the peculiar smell; the compound is nontoxic to a human body, has the effects of degrading the formaldehyde, clearing away the peculiar smell and cleaning the air and also has sterilization, disinfection and disease inhibition effects. The compound is convenient to use and can be widely applied to places such as a family, a hospital, a nursing home, a vehicle and a zoo.

A water closet with a deodorizing device comprises a water closet body and a water tank, an air exhausting device is mounted in the water tank and comprises an air inlet pipe and an air exhaust pipe, the air inlet pipe is connected with an overflow pipe in the water tank, an air exhaust fan is arranged in the air exhaust pipe, a multifunctional water and air valve is arranged between the air inlet pipe and the air exhaust pipe, the air exhaust pipe downwardly penetrates through the bottom of the water tank and extends a separation cavity on the rear portion of a urinal of the water closet body, the lower end of the air exhaust pipe is communicated with a water closet S-shaped bent sewage discharging pipe in the urinal via a corrugated pipe, and the joint of the corrugated pipe and the S-shaped bent sewage discharging pipe is arranged at any position between the top point of the S-shaped bent sewage discharging pipe and a discharging port. The deodorizing device exhausts odor via the water closet S-shaped bent sewage discharging pipe, so that a pipeline does not need to be led out of the water closet body to connect a sewer pipeline. The water closet is simple in design, convenient to mount and use, compact in structure, attractive in appearance, free of external exhausting fans and capable of keeping air in a toilet clean, and has the functions of saving electricity and water.

The invention relates to the field of cereal drying, and in particular relates to a cereal drying machine. The cereal drying machine comprises a drying tower (1) and a heat pump (2) which is communicated with the drying tower (1) and is used for providing hot air for the drying tower, wherein the heat pump (2) comprises a pump shell (3) and an evaporator (4) arranged in the pump shell; the cereal drying machine is characterized by further comprising a dust collection room (5) which is communicated with the drying tower (1) and is used for collecting waste air discharged by the drying tower; and a defrosting heating device is arranged on the evaporator (4). The cereal drying machine can efficiently filter the discharged waste air, and the phenomenon that cold air is generated at an air outlet where the evaporator is positioned during defrosting of the evaporator is avoided.

The invention relates to a continuous preparation method of concentrated formic acid with joint production of high pure hexametaphosphate, which comprises that peroxyphosphoric acid and sodium formate are simultaneously put into a cone-type mixer to be mixed uniformly and reacted instantly, the generated formic acid presses generated mixed materials into a distillation drier to be distilled and dried into dry powder of composite phosphate, the generated formic acid gas is fed into a washing dewatering purifier, to be washed, purified and dewatered via peroxyphosphoric acid to be fed into a condenser to separate formic acid, the condensation temperature is controlled to obtain concentrated formic acid, the foul gas is pumped out under vacuum, the generated dry powder of composite phosphate automatically flows out from the distillation drier, to be directly fed into a polyfurnace or first prepared into solution to be fed into a polyfurnace, continuously adds industrial phosphoric acid, obtains high pure hexametaphosphate. The invention has high production efficiency, reduced acidification reactor, continuous operation, large production capacity, non formic acid gas leakage in process, improved workshop environment, high product yield, high formic acid density, better economic and environment benefits.

The invention provides an indoor unit of an air conditioner. The indoor unit of the air conditioner comprises a shell, an air flow channel formed in the shell, and an air wheel in the air flow channel. The air wheel is a cross-flow air wheel. The indoor unit of the air conditioner further comprises a cleaning device. The cleaning device comprises a plurality of nozzles. The nozzles are arranged in the axis direction of the cross-flow air wheel and spray cleaning fluid to the cross-flow air wheel. The nozzles extend into the air flow channel from the exterior of the air flow channel. As the nozzles extending into the air flow channel from the exterior of the air flow channel spray the cleaning fluid to the cross-flow air wheel, under the rotation action of the cross-flow air wheel, the cleaning fluid sprayed to the cross-flow air wheel is thrown out by the cross-flow air wheel, the cross-flow air wheel is cleaned, and as the inner wall of the air flow channel is cleaned by the cleaning fluid thrown out by the cross-flow air wheel, harmful microorganisms are prevented from being bred when the interior of the air conditioner is not cleaned for a long time, then supplied air of the air conditioner is fresher, and the physical health of people cannot be affected.

The invention provides an indoor unit of an air conditioner which comprises a shell, a heat exchanger, an air current channel, a through-flow wind wheel arranged in the air current channel and an air outlet formed in the shell. The indoor unit further comprises a cleaning device, wherein the cleaning device comprises a plurality of spray heads located in the air current channel and arranged in the axis direction of the through-flow wind wheel and the spray heads are arranged between the through-flow wind wheel and the heat exchanger and spray cleaning fluids to the air inlet side of the through-flow wind wheel; alternatively, the spray heads are arranged between the through-flow wind wheel and the air outlet and spray the cleaning fluids to the air outlet side of the through-flow wind wheel. Due to the fact that the spray heads are arranged in the air current channel, the spray heads spray the cleaning fluids to the air inlet side of the through-flow wind wheel or the air outlet side of the through-flow wind wheel, under the rotation function of the through-flow wind wheel, the through-flow wind wheel is cleaned, the inner wall of the air current channel is cleaned through the cleaning fluids thrown out through the through-flow wind wheel, the air conditioner can produce cleaner air and influences on health of a human body are avoided.

The invention discloses a dust removing device of a dust collector and comprises a level 1 cyclone and a level 2 cyclone. The level 2 cyclone is arranged above the level 1 cyclone; an air outlet of the level 1 cyclone is communicated with an air inlet of the level 2 cyclone; the level 1 cyclone and the level 2 cyclone are respectively provided with a separated dust chamber; the invention can thoroughly separate air from dust and leads the air exhausted by the dust collector to be more clean without a secondary pollution; the separated dust chamber respectively arranged in the level 1 cyclone and the level 2 cyclone can clean the ashes respectively and the users can use conveniently.

An agricultural work vehicle includes a vehicle body having longitudinally extending sides. An enclosed engine compartment is configured within the vehicle body. An air inlet is defined in side of the vehicle body for intake of air into the engine compartment. A grain bin forward of the engine compartment includes a grain bin extension skirt mounted above the grain bin. An intake housing is mounted over the air inlet in the vehicle body side and includes a forwardly extending portion mounted alongside the grain bin extension with an inlet opening oriented so as draw air primarily from an area forward of the engine compartment and above the vehicle body.

An opening of an upper surface of an air cleaner main body has an air cleaner upper cover mounted thereon, and is closed by the air cleaner upper cover fastened by bolts via a seal member, and air cleaner bottom plates are fastened to the air cleaner main body via seal members in openings of a bottom surface of the air cleaner main body. Passage holes connecting an engine combustion chamber and the air cleaner main body are provided on the air cleaner bottom plates; and an opening of a front surface of the air cleaner main body is inserted into intake ducts of vehicle body frames via seal members, and configured as an air introduction port.

The invention discloses a road cleaning and dust removing vehicle provided with a screw conveying mechanism. The brush plate of the screw conveying mechanism is connected with a circular groove, a horizontal screw conveyor driven by a motor is arranged in the circular groove, a conveying pipe is connected with the driving end of the horizontal screw conveyor, an inclined screw conveyor driven by the motor is sleeved in the conveying pipe, the upper end of the conveying pipe penetrates into the filter bin, and the conveying pipe is communicated with the dust collection bin through the dischargepipe; An air blowing device connected with an air outlet pipe is arranged at the rear of the rolling brush device. An air inlet pipe connected with an air outlet pipe is arranged on the top of the hair dryer box, a hair dryer is arranged on the front side of the bottom of the hair dryer box, a front end of the hair dryer is arranged on the air dryer opening, and the hair dryer opening is in the shape of a horizontal narrow mouth. By providing a powerful blowing effect and setting a screw conveying mechanism, the invention not only has a good cleaning effect on the road dust, but also can collect the sand grains or powders on the road in the dust collecting bin, thereby further improving the road cleaning effect.

The invention discloses a mechanical supporting structure for coal mining. The mechanical supporting structure comprises a fixing frame, a supporting unit and a protecting unit, wherein a controller is arranged in the middle of the bottom end of the fixing frame, and adjusting units are arranged at the left end and the right end of the front side face of the fixing frame correspondingly; the supporting unit comprises sliding rods, inserting holes, fixing shells, clamping holes, elastic inserting blocks and supporting rods; the two sliding rods are slidably connected with a through groove in the middle of the fixing frame, and the inserting holes are evenly distributed in the front side faces of the sliding rods; the fixing shells are arranged on the outer sides of the bottom ends of the sliding rods, and the bottom ends of the fixing shells are slidably connected with the top ends of the supporting rods; the clamping holes are formed in the bottom ends of the front side faces of the fixing shells, and the elastic inserting blocks are arrayed on the front side faces of the supporting rods and connected with the clamping holes in a clamped mode; and fixing units are arranged at the bottom ends of the outer side faces of the two supporting rods correspondingly, and a filtering unit is arranged on the inner side face of the fixing shell on the right side. The mechanical supporting structure for coal mining is easy to use, convenient to adjust and high in practicability and safety.

The invention discloses novel soap bubble mixed liquid and a preparation method thereof. The mixed liquid comprises borneol, mint, lavender, spina date seed, cortex albiziae, albizia flower, tuber fleeceflower stem, liquorice, gleditsia sinensis, almond, folium artemisiae argyi, tangerine peel, cinnamon, tea and glycerin. Compared with the prior art, the soap bubble mixed liquid prepared from traditional Chinese medicine extracting liquid has the effects of resolving depression, refreshing, calming the mind, sterilizing, inhibiting bacteria, cleaning air, preventing diseases and enhancing immunity, can relieve pressure of workers of white collar and other classes, and achieves a certain health-care effect at the same time.

The invention relates to an air purifier. The air purifier comprises a filtering assembly and a fan assembly, wherein the filtering assembly has a plurality of air inlet surfaces and allows external air to enter the filtering assembly via each air inlet surface, the external air is converted into clean air under the filtering effect of the filtering assembly, the fan assembly is arranged at the upper port of the filtering assembly, an air outlet is formed in the upper end of the fan assembly, and the fan assembly can convey clean air in the filtering assembly to the outside. The air purifier has the advantages of high purifying efficiency, good purifying effect, a simple structure and easiness in installation and dismounting.

The invention discloses an intelligent automobile air purification and odor removing device, including a water tank, a humidity sensor, an exhaust fan, a solar panel, a fresh air exchange, an ultraviolet disinfection lamp, a control circuit board, a battery, a formaldehyde sensor, a deodorizer, a water mist generator, an air purifier, an infrared sensor. The exhaust fan, the fresh air exchange, the ultraviolet disinfection lamp, the water mist generator, the air purifier cooperates to reduce the concentration of formaldehyde and other toxic gases in the automobile, which is advantageous to clean the air in the automobile and absorb the impurities in the automobile indoor air through the deodorizing device, effectively deodorizing the automobile indoor air. The infrared sensor cooperates with the ultraviolet disinfection lamp to avoid the harm to the human body.

The invention discloses a high-purity indium preparation device, and relates to the technical field of nonferrous metallurgy. The high-purity indium preparation device comprises an electrolytic cell support, and multiple electrolytic cells are arranged on the electrolytic cell support. An electrolytic circulating system is arranged at one end of the electrolytic cells, and connected with the electrolytic cells. The electrolytic circulating system is provided with a PH detecting sensor. An electrical control and monitoring system and a power unit are arranged at the other end of the electrolytic cells. The power source unit is any one of an IGBT direct-current power source and a silicon rectifier direct-current power source, and has the functions of constant-voltage/constant-current dual-mode output, remote intelligent control and the like, and the control and display precision is larger than or equal to 0.1 V/A. The electrical control and monitoring system and the power source unit areboth electrically connected with the electrolytic cells. A gas collecting unit is arranged above the electrolytic cells. According to the high-purity indium preparation device, the problem that in the prior art, the production process technical control difficulty is high, the product quality fluctuates greatly, the production environment is harsh, and qualified and stable products cannot be produced can be solved.

The invention discloses a medical appliance placing box for preventing cross infection. The medical appliance placing box comprises a placing box, wherein transfer devices are arranged on the four corners of the lower portion of the placing box, liquid inlets are formed in the left and right sides of the upper portion of the placing box, partition plates are arranged at the portions, close to theleft and right inner walls, of the left and right sides of the interior of the placing box, and each partition plate is uniformly provided with a plurality of air injection holes from top to bottom; an air injection device is arranged on the air injection holes, a placing opening is formed in the middle of the top of the placing box, a placing door opening mechanism is arranged on the placing opening, a placing box mechanism is arranged at the lower portion of the placing opening, and a storage mechanism is arranged at the lower portion of the placing box; a debugging mechanism is arranged inthe placing box, and a control display mechanism is arranged on the rear surface of the upper portion of the placing box. The medical appliance placing box has the advantages of being simple in structure and high in practicability.

The invention discloses a refrigerator with a warm-keeping chamber and the temperature controlling method of a warm-keeping chamber and belongs to the field of refrigerators and temperature controlling methods thereof, and aims to solve the problem that the conventional refrigerators are fixed in storage temperatures. The refrigerator provided with the warm-keeping chamber comprises a box and a controlling device arranged at the back of the box, wherein an independent warm-keeping chamber is arranged inside the box; the temperature in the warm-keeping chamber is set by the controlling device within the range of (-18 DEG C, 10 DEG C); the four side surfaces and the back surface of the warm-keeping chamber are heat insulation clapboards; an air inlet and an air returning inlet are arranged inside the warm-keeping chamber; a temperature measuring device is arranged inside the warm-keeping chamber; the opening and/or closing of the air inlet of the warm-keeping chamber are/or controlled by the controlling device according to the temperature value measured by the temperature measuring device. The invention further provides the temperature controlling method of the warm-keeping chamber of the refrigerator. According to the invention, the temperature of the warm-keeping chamber can be controlled accurately and adjusted timely.

A smoke simulator system (1) for an aircraft simulator cockpit said system (1) comprising a water tank (2), an ultrasonic generator (3), said ultrasonic generator (3) being inside said water tank (2), supply means (7) to said water tank (2) and outlet means (8) from said water tank (2) for smoke. The invention relates as well to a method to operate such a smoke simulator system (1) for an aircraft simulator cockpit.