167results about How to "Low cleanliness" patented technology

The invention provides a self-cleaning control method and device for an air conditioner. The self-cleaning control method comprises the steps that the current operation mode of the air conditioner is detected, and if the current operation mode of the air conditioner is a non-refrigerating mode, the air conditioner is adjusted to be in a refrigerating mode; the rotating speed of a motor of a fan of an indoor unit of the air conditioner and the first current value of the motor under the rotating speed are detected; and the first current value of the motor under the rotating speed is compared with a first preset current value of the motor under the rotating speed, if the first current value is smaller or equal to the first preset current value, a self-cleaning mode of the air conditioner is started, and self-cleaning treatment of a heat exchanger of the indoor unit is carried out. The air conditioner can start the self-cleaning function automatically, and the self-cleaning effect of the air conditioner is promoted.

An improved method for removing contaminant particles from a surface of a semiconductor wafer includes forming a sacrificial film on the surface of the wafer and then removing the sacrificial film by supercritical fluid cleaning. The removal of the sacrificial film via the supercritical fluid cleaning process facilitates removing the contaminant particles. The method further includes identifying and characterizing the contaminant particles and creating a record of the contaminant particle data. The composition of the sacrificial film is selected based on the contaminant particles data and the supercritical cleaning recipe is selected based on the composition of the sacrificial film and the contaminant particles data.

Filter elements, usually in cylindrical or flat plate form, are available in dry or wet/dry vacuum cleaners. The filter element can be flushed with a normal stream of water, or by gently tapping on a solid object, or by using a compressed air stream, but has very good filtration characteristics even for sub-micron particles in residential or industrial environments. The filter element has a combination of nanofiber filter layers on a substrate. The fiber diameter of the nanofibrous layer is about 0.05-0.5 micron, and the basis weight of the nanofibrous layer is about 3×10 ^－7 -6×10 ^－5 gm-cm ^－2 , the air permeability is about 1-1000ft/min 0.5 inches (water) ΔP, and the pore size is about 0.01-100 microns. The substrate layer is preferably folded, including a basis weight of about 0.2 oz-yd ^－2 -350lb3000ft ^－2 , a thickness of about 0.001-0.2 inches, and an overall filter permeability of about 1-200 ft-min ^－1 , 0.5 inches (water) ΔP, at 10ft-min ^－1 The speed removal efficiency of 0.76 micron particles is about 10-99.99995%.

Renewable, non-volatile cleaning compositions incorporating ethyl ester solvents are disclosed. Preferred compositions employ non-volatile C_8-16 ethyl ester solvents. All-purpose cleaning compositions incorporating the non-volatile C_8-16 ethyl ester solvents, further include an alkyl polyglycoside surfactant, an alcohol ethoxylate surfactant, and water. Preferably the compositions are free of anionic, cationic and amphoteric surfactants and/or co-solvents. The invention also discloses methods employing the non-volatile solvent all-purpose cleaning compositions.

The invention discloses a system for rapidly pyrolysing and liquefying biomass, which comprises a pyrolysis reactor, a feeding device connected with a biomass material inlet of the pyrolysis reactor, a reaction starter connected with a circulating heat supporting gas inlet, a gas-solid separation sub-system connected with a pyrolysis gas outlet of the pyrolysis reactor, a bio-oil condensing and reserving sub-system connected with a gas outlet of the gas-solid separation sub-system, and a thermal circulation medium heating and separating sub-system connected with a solid outlet of the gas-solid separation sub-system. The thermal circulation medium outlet of the thermal circulation medium heating and separating sub-system is connected with the thermal circulation medium inlet of the pyrolysis reactor, wherein the bio-oil condensing and reserving sub-system includes at least one heat exchanger that is applied for cooling partial obtained bio-oil to be used as a condensed medium of the bio-oil condensing and reserving sub-system. The system for rapidly pyrolysing and liquefying biomass can fully improve the utilization rate of biomass energy and reduce the operation cost thereof to the maximum degree.

The invention relates to a steel metallurgical material, in particular to a tinning substrate for deep-punching food cans and a production method thereof. The tinning substrate comprises the following chemical element compositions in percentage by weight: less than or equal to 0.04% of C; less than or equal to 0.02% of Si, 0.20-0.25% of Mn, less than or equal to 0.02% of P, less than or equal to 0.018% of S, 0.005-0.040% of Als, and the balance iron and unavoidable inclusion. The production method comprises the following processes: smelting, continuous casting, heating, hot rolling, cooling and reeling, pickling and cold rolling, and annealing and leveling, wherein the heating temperature is 1210 DEG C, the primary rolling temperature is 1100-1150 DEG C, the final rolling temperature is 890+/-10 DEG C, the reeling temperature is 560+/-15 DEG C, the annealing temperature is 670-690 DEG C, and others are performed as conventional processes. The invention has small production control difficulty, low cost, stable performance and high can manufacturing percent of pass, and is suitable for manufacturing deep-punching food cans and can covers with more complex transformation.

A micro gas generator with an automatic ignition function operated before being weakened by heat without impairing the cleanliness of exhaust gas, comprising gas generating agent, a cup body for filling the gas generating agent therein, and a holder formed integrally with squibs and fixedly sealing the squibs in the cup body, wherein an automatic igniting agent layer is put on the inner surface of the cup body.

A semiconductor manufacturing apparatus comprising: a plurality of vacuum chambers corresponding to a plurality of processing sections necessary for manufacturing a semiconductor device; an exhaust device connected to each vacuum chamber; a plate shaped guide plate arranged at the bottom of each vacuum chamber and having a plurality of gas emission holes; and a gas supply source for supplying gas to the gas emission holes, wherein the plurality of vacuum chambers are adjacent to each other by way of a shutter, one of the two adjacent vacuum chambers includes a tray mounted on the guide plate for mounting a substrate to be performed with a predetermined process, a conveying function section having a conveying arm for moving the tray from one vacuum chamber to the other vacuum chamber along the guide plate, and a controlling function section, the controlling function section performing the control so as to open the shutter to communicate the two adjacent vacuum chambers, emit gas from the gas emission holes of the guide plate of the vacuum chambers, and move the tray in one vacuum chamber, which is floated by the emitted gas, from the guide plate of one vacuum chamber to the guide plate of the other vacuum chamber along the guide plate by means of the conveying arm.

The invention relates to wide-recognition-range monitoring equipment based on the face recognition technology. The wide-recognition-range monitoring equipment comprises a sliding rail, a movable block, an adjusting mechanism, a camera and a clearing mechanism. The adjusting mechanism comprises a rotary block, a rotary shaft, a movable assembly, a rotary assembly, a swing assembly and two supporting plates. The rotary assembly comprises a first motor, a conveying belt, two driving wheels, two driving units and two driven units. Each driving unit comprises a connecting shaft, a first gear, a first gear rack and a limiting unit. According to the wide-recognition-range monitoring equipment based on the face recognition technology, the angle of the camera is adjusted through the adjusting mechanism, and therefore the monitoring recognition range is widened. The practicality of the monitoring equipment can be improved. Dust accumulated on a lens of the camera is cleared away through the clearing mechanism, it is avoided that the cleanliness degree of the camera is reduced as the use time of the camera is increased, and therefore the recognition precision of the monitoring equipment is improved.

A filter for internal combustion engine air intake comprised of a synthetic fiber media uniquely enhanced with a gradient density configuration. The media described in this application is a low restriction synthetic fiber media enhanced with gradient density configuration to greatly improve efficiency and dust holding capacity. The invention is for use and configuration for use in engine intake air filtration.

The invention makes use of an exhaust gas catalyst, comprising an active component comprising at least one type of metal from noble metals and transition metals; NOx-absorbing material for absorbing and releasing nitrogen oxides according to the surrounding nitrogen oxide concentration; and compounds represented by A₂O₂SO₄ and/or A₂O₂S (A is a rare earth element).

The invention discloses a direct evaporation integral heat pipe exchanger, which comprises a condensation end and an evaporation end, wherein the condensation end and the evaporation end are combined and mounted into a whole; the condensation end comprises a wet film, a sprayer, a water tank, an intake air fan and a condensing working medium coil; the intake air fan is positioned between the wet film and the condensing working medium coil; the sprayer is positioned above the wet film; a water inlet of the sprayer is connected with a water outlet of the water tank through a water pipe; the evaporation end comprises an outtake air fan and an evaporating working medium coil; the evaporating working medium coil is positioned on the air outlet side of the outtake air fan; and the condensing working medium coil and the evaporating working medium coil are connected through a connection working medium pipe and are separated through a thermal insulation separation plate. According to the invention, the efficient direct evaporation integral heat pipe exchanger is formed by applying the direct evaporation cooling mode, which has a cooling effect similar to that of the traditional water cooling mode, to a heat pipe system, in this way, air cooled through direct evaporation efficiently cools the condensing working medium coil, and the efficient cooling effect and the high energy saving rate of the integral heat pipe exchanger for indoor air are ensured.

A hydrodesulfurization method of coking benzene is provided. A preparation process of a hydrodesulfurization catalyst used in a hydrodesulfurization reaction includes: respectively dipping an aluminium oxide-titanium dioxide mixed power carrier into solutions containing active metal elements comprising molybdenum, nickel, cobalt and tungsten, with the solutions containing citric acid; dipping a NaZSM-5 molecular sieve into a solution containing copper and/or zinc; drying; calcinating; mixing the dipped aluminium oxide-titanium dioxide mixed power carrier and the dipped NaZSM-5 molecular sieve; processing the coking benzene by a rectifying tower before hydrodesulfurization; and performing pre-hydrogenation, main hydrogenation and removal of inorganic sulfur to finish sulfur removal. The NaZSM-5 molecular sieve loaded with an active component has an effect of selective adsorption for thiophene. The aluminium oxide-titanium dioxide mixed power carrier loaded with the active metals has good catalytic hydrogenation effects for the thiophene. By cooperation of the NaZSM-5 molecular sieve loaded with the active component and the aluminium oxide-titanium dioxide mixed power carrier loaded with the active metals, good removing effects can be achieved even at a low reaction temperature. The citric acid promotes formation of an active phase, improves hydrogenation activity of the catalyst and prolongs maintaining time of the activity of the catalyst.

The invention discloses a solar water heater which comprises a protecting plate, a base, a protecting frame, heat collecting pies, a supporting plate, a control panel, a heat preservation layer and ultraviolet sterilizing lamps. The supporting plate is arranged at the upper ends of supporting rods, the heat collecting pipes are embedded into one end of a water tank, the heat preservation layer isarranged on the inner wall of the water tank, and the ultraviolet sterilizing lamps are arranged in a protecting hood; and the protecting frame is arranged on one side of the heat collecting pipes, the protecting plate is arranged on the other side of the heat collecting pipes, and the control panel is arranged on the front surface of an outer end cover. The solar water heater is scientific and reasonable in structure and safe and convenient to use, the ultraviolet sterilizing lamps can be conveniently used by a user for killing harmful microorganisms in the water tank, the protecting plate can be conveniently used by the user to protect the heat collecting pipes, the supporting plate can be conveniently used by the user to protect and disassemble the bottom of the water tank, and convenience is brought to normal using for the user.