79results about How to "Solve the dust" patented technology

The invention relates to functional low-gram-weight cigarette paper, wherein the body phase thereof contains cut tobacco fibres or a first tobacco powder, a second tobacco powder is attached to the outer surface of at least one side of the body phase, and the first tobacco powder is the same as or different from the second tobacco powder. The invention further relates to a preparation method of the functional low-gram-weight cigarette paper. The preparation method comprises the following steps: (1) preparing paper pulp; (2) preparing special suspension stabilizing fluid for cigarette paper coating; and (3) making paper by a paper machine. The functional low-gram-weight cigarette paper disclosed by the invention is uniform in colouring and capable of improving the non-transparency of the cigarette paper; moreover, the functional low-gram-weight cigarette paper is good in stiffness and beneficial to roll; meanwhile, the functional low-gram-weight cigarette paper is good in ash wrapping force and capable of improving the smoking feeling of cigarettes. The functional low-gram-weight cigarette paper disclosed by the invention is also capable of effectively improving the sensory quality of the rolled cigarette produced during a smoking process and reducing harmful ingredients in the smoke of the cigarettes. Therefore, the functional low-gram-weight cigarette paper disclosed by the invention has a wide application prospect.

The invention discloses a suspension type construction method of a top pipe shaft. The suspension type construction method is characterized by comprising the following construction steps: firstly, measuring and laying at the position of the shaft; secondly, pipe foundation construction: pressing at least four engineering piles into the ground and distributing the engineering piles along the periphery of the shaft; and thirdly, layered construction, namely excavating a foundation pit in a layering manner and casting the shaft wall in a layering manner, wherein the size and the position of the foundation pit are the same as the shaft; and the third step comprises three substeps in sequence: the first substep is the construction of a first layer, namely the uppermost layer, excavating the first layer and carrying out casting to the shaft wall of the uppermost layer; the second substep is the construction of all the layers in the middle, downward continuously excavating in a layer manner and carrying out casting to the shaft wall layer by layer; and the third substep is construction of the bottom layer, excavating the bottommost layer and casting the shaft wall and the shaft bottom ofthe layer. The suspension type construction method creates the construction method of inversely casting the shaft wall from top to bottom, shortens the construction period, does not need to arrange asupporting structure additionally in construction, solves the problem of lateral deformation of the original maintaining wall and improves the earthquake resistance of the shaft.

The invention relates to the technical field of automatic cleaning for air conditioner indoor units, in particular to a method for automatic cleaning for an air conditioner indoor unit. A manner for combining starting and stopping logic and a running mode of an indoor draught fan is adopted for making precipitation of condensate water in air maximum, and therefore automatic cleaning of an air conditioner is achieved. The problem of dust accumulation on an air conditioner evaporator is solved, the evaporator is cleaned regularly, attenuation of the performance of the air conditioner is avoided, energy consumption of the air conditioner is reduced, the use requirements of users are ensured, the additional value of the air conditioner is improved, and the injury to the health of the users due to dust of the air conditioner indoor unit is reduced.

The invention discloses a rail train line-scan digital camera image distortion correction method, which comprises the following steps of: taking a distortionless train line-scan digital camera image of the same model as a standard template, and respectively performing image correction on each single carriage or one section of the single carriage of a train; subjecting the image to oversampling processing before image distortion correction is carried out, so that image information loss possibly caused when the image contour is extracted in the next step can be avoided; extracting the image contour before the minimum norm optimization problem is established so that the possible influence of illumination difference, dust, water stain, stain and random noise interference between the standard template image and the distorted image can be effectively solved, correction is enabled to be more accurate and the reliability is enabled to be higher. According to the method, a linear equation problem is converted into a constraint problem of a minimum norm, and solving is carried out through an optimization method, so that a more stable and reliable reduction matrix can be obtained, and a corrected result is more stable and reliable.

The invention provides an automatic atomizing humidifying dust-suppression conveyer for tobaccos. The automatic atomizing humidifying dust-suppression conveyer comprises a spiral conveyer and a discharger. A protective cover is arranged on the spiral conveyer, a plurality of atomizing spray nozzles are arranged in the protective cover, a water inlet adjusting valve and a flow meter are arranged on a water inlet pipe, a pressure adjusting valve and a pressure meter are arranged on an air inlet pipe, and the water inlet adjusting valve, the pressure adjusting valve, the flow meter, the pressure meter and the spiral conveyer are connected with a programmable logic controller (PLC) and a formula controller. The automatic atomizing humidifying dust-suppression conveyer is complete spiral conveyer functions, high in automation degree, good in control accuracy, reasonable and compact in structure, simple and convenient to operate and high in visualization degree, facilitates informatization parameter control, can effectively solve the problems of cleaning production and field environment protection and facilitates physical and psychological health of workers.

The invention discloses an energy-saving and environment-friendly solar road streetlamp convenient to replace. The energy-saving and environment-friendly solar road streetlamp comprises a base layer provided with an installing groove. A fixing device is arranged in the installing groove and provided with a bearing block. The bearing block is provided with a protection device. A first fixing rod isfixed to the upper end of the bearing block, and a rotation groove is formed in one side of the upper end of the first fixing rod. According to the energy-saving and environment-friendly solar road streetlamp convenient to replace, streetlamp installation is convenient, the streetlamp is protected, suffered impacts are relieved, the streetlamp is convenient to replace, and time and labor are saved. A solar cell panel is automatically cleaned, and the situation that excessive accumulated dust exists, and normal work of the solar cell panel is influenced is prevented. Through combination of a threaded rod, a gear, a rotation disc and a rotation rod, the problems that a bulb of a common streetlamp is not convenient to replace, installing is troublesome, a plurality of constructors are neededfor cooperating with equipment, and dust is accumulated in the solar cell panel are solved; and the structure is simple, operation is convenient, and the energy-saving and environment-friendly solarroad streetlamp is suitable for popularization.

The invention provides a dustproof and dampproof heat dissipation case. The case comprises a shell, a dustproof net, a supply fan and an exhaust fan, wherein multiple air holes are formed at intervalsin the shell to form a grid, the dustproof net covers the air holes, the supply fan is mounted in the shell and faces the air holes, and the exhaust fan is mounted in the shell. The dustproof and dampproof heat dissipation case also comprises a dust brush and a dampproof regulating part, wherein the dust brush is movably mounted in the shell to remove dust on the dustproof net and the grid, and the dampproof regulating part is movably mounted in the shell to close or open the air holes. Through the computer case, dust can be effectively prevented from entering the case, it is not needed to clean the dustproof net frequently, electronic elements in a computer can be effectively protected against damp when the computer is not in use, and heat dissipation performance is good because a heat dissipation system is arranged in the computer case.

The invention discloses a portable and simple apron for an unmanned gyroplane. The apron comprises a solar film layer, an electrostatic dust removal layer, a circuit layer and a basic material layer, wherein an S-pole magnetic sheet A, an S-pole magnetic sheet B, an N-pole magnetic sheet A, an N-pole magnetic sheet B, an H marker, an edge line, a lamp strip, a remote control receiver, a battery and a standby battery are arranged on the solar film layer; the battery and the standby battery are used for providing electricity required by parts on the apron; a takeoff sensor, a CPU, a landing sensor, a controller A, an electrostatic dust removal device, a controller B, the H marker and the lamp strip are arranged on the circuit layer. When the gyroplane takes off, the takeoff sensor is triggered to transmit a signal to the CPU, and the controller A is controlled by the CPU to trigger the electrostatic dust removal device to remove dust. When the gyroplane lands, the landing sensor is triggered to transmit a signal to the CPU, and the controller B is controlled by the CPU to simultaneously trigger the electrostatic dust removal device, the H marker and the lamp strip. The portable and simple apron for the unmanned gyroplane is convenient to carry, energy-saving, environment-friendly and more intelligent, and the problem of dust on a lens and the gyroplane is effectively solved.

The invention relates to a method and system for environment governance of a closed stock yard. The method comprises the steps: collecting and purifying flying dust generated during the operation of a stacker-reclaimer in real time through a mobile dust removal station; conducting spray dust suppression on a material pile through a movable spray dust suppression system, and humidifying and settling dust particles suspended in the air; and performing partitioned forced ventilation and dust removal on the closed raw stock yard through a partitioned dust removal system, reducing the concentration of suspended dust, collecting dust in air to a dust removal header pipe, and discharging purified gas to the air. According to the method and system, the problems of dust diffusion, pollution and the like in the stock yard in the prior art are solved, the technical means of spray dust suppression, local dust removal, comprehensive ventilation and the like are fully utilized, the synergistic effect is formed, comprehensive environment governance of the closed stock yard is achieved, the environment quality is improved, and safe production is guaranteed.

A miniature heatproof moisture-proof welder is characterized in that a welder core (6) is mounted in a radiator (1), a seal cavity (7) is formed on the inner side of the mounted welder core (6) in a clearance manner, heat-conducting insulation oil (8) is injected into the seal cavity (7), the radiator (1) is mounted in an enclosure (3), a fan (4) is connected on the enclosure (3), and an air outlet of the fan (4) is connected into a passage formed by the outer wall of the radiator (1) and the inner wall of the enclosure (3).

The invention relates to an inner and outer cover side sliding and flushing sliding door device. The sliding door device comprises a cabinet, a sliding door, multiple connecting sliding blocks, a sliding door upper sliding groove installed in the upper end of the inner wall of the sliding door, a sliding door lower sliding groove installed in the lower end of the inner wall of the sliding door, a cabinet upper sliding groove installed in the top of the cabinet body and a cabinet lower sliding groove installed in the bottom of the cabinet body, the sliding door upper sliding groove is formed corresponding to the cabinet upper sliding groove, and the sliding door lower sliding groove is formed corresponding to the cabinet lower sliding groove. The sliding door device has the advantages that the sliding door can do side sliding motion, doors are on the same plane after being closed, the problem that only an inner cover door can be made for a traditional door, the problems that space is wasted due to door overlaying, dust enters the door, and appearance is affected are solved, the phenomena of article falling from a slide rail and groove changing of the sliding door are avoided, and the sliding door device is convenient to sweep. In addition, the inner and outer cover side sliding and flushing sliding door device is reasonable in design, simple in structure, safe and reliable.

The invention provides a photovoltaic module frame which comprises a supporting body. A supporting and bonding surface, a pressing surface and a positioning surface are arranged on the supporting body. The supporting and bonding surface is located on one side of the surface of the supporting body and is in contact with the bottom surface of a photovoltaic module laminating member to support and bond to the photovoltaic module. The positioning surface is located on one side of the supporting and bonding surface and perpendicular to the supporting and bonding surface and is in contact with the side surface of the photovoltaic module laminating member. The pressing surface is located on one side of the positioning surface and is used for being connected with a pressing block. The photovoltaicmodule frame has the following advantages: 1, the problem of glass surface dust accumulation in the application process of the photovoltaic module in a power station is solved; 2, the light receivingarea of the photovoltaic module is effectively improved; 3, the plate damage of the photovoltaic module laminating member caused by stress concentration is eliminated and reduce the plate damage ratecaused by installation is reduced; 4, the damage rate in plate transportation is reduced and thus the transportation cost is reduced; and 5, the cleaning efficiency of the photovoltaic module in thepower station is improved and the cleaning cost is reduced.

The invention discloses a dustproof and moistureproof computer case and a protection method thereof. The dustproof and moistureproof computer case comprises a case body, a transverse partition plate is fixedly mounted in the case body, and a moistureproof device is arranged above the transverse partition plate; the moisture-proof device comprises a fixed seat, an air inlet fan, a heat insulation plate, an electric heating wire, a temperature sensor and a humidity sensor; two air inlet fans are arranged at the upper end of the fixing base, wherein the bottom end of the fixing base is fixedly connected with the transverse partition plate; and a heat insulation plate is arranged below the air inlet fan, the electric heating wire is arranged below the heat insulation plate, and a heat dissipation opening is formed in the transverse partition plate and corresponds to the electric heating wire. By arranging the moisture-proof device, moisture generated in the computer case can be dried, and it can be effectively prevented that when a computer is not used, moist air enters the case, and electronic elements are affected with damp; and the dust cover is arranged at the air inlet of the box body, dust in outside air can be intercepted by the activated carbon filter screen, the problem of dust accumulation in the box body is effectively solved, and the design structure is reasonable.

The invention discloses an automatic constant temperature device of an electric controlled area of a bus air conditioning compressor comprising a vaporization zone composed of an evaporator and an evaporation fan, a condensation zone composed of a condenser and a condenser fan, and a compression zone composed of a compressor, a four-way valve, a gas-liquid separator and an electronically controlled control zone. The device is characterized in that the electronically controlled control zone comprises an electric cabinet and an automatic constant temperature device, wherein the automatic constant temperature device comprises a suction fan, an exhaust fan and an automatic constant temperature controller; the suction fan and the exhaust fan both comprise ventilating openings, constant temperature blower fans and dust screens; the automatic constant temperature controller is electrically connected with the constant temperature fans; the suction fan is installed between the vaporization zone and the electrically controlled control zone; the exhaust fan is installed between the condensation zone and the electrically controlled control zone. The device of the invention has the advantages that: the automatic constant temperature device improves the adaptability and the stability of the air-conditioning of the bus, so as to realize the effect of positive pressure, dust-free and constant temperature of the electric cabinet.

The invention discloses a dust remover of a sewing device. The dust remover of the sewing device is formed by two parts of passive dust collection and active dust extraction. The passive dust collection part comprises a dust collection pipe, a negative pressure pump, a filter, a muffler, a dust collection box, an air outlet, a humidifier and a control switch. The active dust extraction part comprises a negative ion generator. The emitting head of the negative ion generator is installed on the air outlet. The negative pressure pump is a pneumatic pump. The dust collection box is installed at the tail end of the filter, and is formed by an upward bending channel, a dust collection cavity and a gas outlet. The gas outlet is provided with a filter screen. The control switch is formed by a pneumatic electromagnetic valve and a proximity switch. The dust remover is linked with a pedal of the sewing device. The dust remover of the sewing device is capable of not only absorbing the large particle of the dust, but also depositing the small particle of the dust, and completely solving the dust problem of a sewing workshop. The energy consumption is low, a lot of negative ions good for the human body are produced at the same time, and the dust remover has a humidification function, so the workshop working environment is improved.

The invention discloses a display stand for costume designing. Cabinet bodies are fixedly installed on the two sides of the top of a base, and threaded rods are fixedly installed at the bottoms of inner cavities of the cabinet bodies. According to the invention, through mutual cooperation of a base, a cabinet body, a threaded rod, a first bevel gear, a second bevel gear, a first rotating shaft, ahandle, a threaded pipe, a movable block, an exhibition stand, a shell, a motor, a second rotating shaft, a first belt pulley, a first belt, a second belt pulley, a third rotating shaft, a third belt,a third belt pulley, a fourth rotating shaft, a pulley, a box body, a sliding plate, a sliding groove, a sliding block, a connecting plate, a spring, a clothing model, a supporting plate and a movingwheel, the advantage that the display angle and the height can be adjusted is achieved, the problem that the display angle and the height of an existing display table for clothing design cannot be adjusted is solved, and when people visit the display table, the viewing angles of people with different heights are different, and visual deviation cannot be caused.

The utility model provides a solar module comprising a solar panel and a frame. The solar panel is provided with an external edge. The frame comprises a plurality of carrying parts, which are disposed around the opening in an encircled manner. The solar panel is disposed on the carrying part, and is used to expose the opening. The opening is provided with an inner wall surface, and the channel is formed between the inner wall surface of the opening of the exposed part and the external edge of the solar panel. The water or the dust on the solar panel can be removed through the channel. The solar module is advantageous in that the dust or the water film can be easily removed from the surface.

The invention belongs to the field of powder metallurgy, and relates to powder metallurgy tool steel mixing equipment and a using method thereof. The mixing equipment comprises a machine body, an air inlet pipe is fixedly connected to the outer surface of the left side of the machine body, and a feeding pipe is arranged at the top of the air inlet pipe. According to the powder metallurgy tool steel mixing equipment and the using method thereof, an exhaust mechanism is adopted, when the equipment works, under the action of air pressure, a sealing plate moves downwards, the outer surface of a one-way valve is separated from a feeding pipe, materials enter the equipment from a through hole, a push-pull rod moves downwards, and the outer surface of a sealing plug slides along the inner surface of a rubber plate, air blown in by the air inlet pipe is exhausted out of the equipment, under the multi-stage sealing effect of the sealing plug and the rubber plate, the exhaust mechanism can guarantee the air tightness of the equipment while meeting the exhaust effect, metal dust in the air is blocked in the equipment through an exhaust pipe and a baffle ring, dust raising is prevented, the problems that dust raising and blocking are prone to occurring when traditional powder metallurgy is used are solved.

The invention discloses a movable-type cooling device for an XGN switch cabinet, and the device employs purified air to cool heating equipment in the XGN switch cabinet. A fan cover is added to guarantee that most of cooling air can enter the switch cabinet, thereby improving the cooling efficiency of the heating equipment in the switch cabinet, eliminating the potential safety hazard that a small animal accidentally enters the switch cabinet, and solving a dust collection problem of equipment in the cabinet. Meanwhile, a telescoping air guide pipe of the cooling device can be suitable for XGN switch cabinets generated by different producers, so the cooling device is high in adaptability. In addition, the bottom of the device is additionally provided with a lockable pulley, so the device is very convenient to move.