13 results about "Atmospheric dust" patented technology

The invention relates to the technical field of atmospheric dust pollution prevention and environmental protection, and discloses a multi-objective optimization layout method for dust monitoring points of a bulk cargo port, which comprises the following steps: processing historical meteorological data and port geographic information, and calculating the comprehensive evaluation concentration of each candidate grid point in combination with a pollutant diffusion model; constructing a multi-target nonlinear mixed integer programming model taking maximization of environment sensitive point coverage and minimization of concentration interpolation deviation as target functions, wherein the model comprehensively considers multiple reality constraints; solving the model by adopting an improved genetic algorithm to obtain an optimal solution set capable of forming tradeoff among different targets; and carrying out quantitative evaluation on the solution set through preset monitoring area coverage rate and monitoring accuracy indexes, and determining an optimal monitoring point position layout scheme. According to the invention, a scientific and quantitative optimized layout scheme can be provided for bulk cargo port dust monitoring, and the reliability and spatial representativeness of a monitoring network are improved.

The invention discloses atmospheric dust suppression equipment for building construction excavation, and relates to the technical field of building equipment. The device comprises a supporting frame, an electric rotating rod is rotatably mounted at the bottom of the inner wall of the supporting frame, a U-shaped plate is fixedly mounted at the top of the electric rotating rod, two connecting rods are symmetrically arranged in the U-shaped plate, a spraying mechanism is arranged between the sides, close to each other, of the two connecting rods, and a transmission rod is arranged in the spraying mechanism. Through the arrangement of structures such as the sliding groove base, the spraying mechanism is promoted to achieve fixed and movable use modes, the actual application range is expanded, meanwhile, a square frame expands the interception range of the dustproof mechanism, the dustproof mechanism absorbs water mist, waste caused by rapid air drying of the water mist sprayed to the high position in the falling process is avoided, and the practicability is high. And when the wetted dustproof mechanism blows wind, dust raised on the ground is adsorbed and inhibited in time, and the dust suppression efficiency is improved.

The invention relates to the field of dust falling devices, in particular to an adjustable dust falling device for urban and rural planning. In the prior art, air flow in the air easily enables dust falling on the ground to return to the atmosphere again, so that the atmosphere dust pollution is serious. According to the technical scheme, the adjustable dust falling device for urban and rural planning comprises a movable water tank, a telescopic supporting leg frame, a connecting cylinder and the like; the telescopic supporting foot frame is provided with a movable water tank, the movable water tank is provided with a water inlet used for being externally connected with a water pump, and a plurality of electric pulleys are arranged at the bottom of the movable water tank. The movable water tank and the telescopic supporting leg frame are jointly and fixedly connected with a connecting cylinder. According to the device, fog water sprayed into the atmosphere and dust making contact with the fog water are intercepted through the collecting table, and the problems that due to the fact that the fog water directly falls on the ground, the dust accumulation amount on the ground is large, airflow in the air easily enables the dust falling on the ground to return to the atmosphere again, and the atmospheric dust is seriously polluted again are solved.

The present application relates to a kind of atmospheric dust processing device for environmental protection, including rack, rotatingly connected with mounting seat on the rack, rotatingly connected with cannon barrel on the mounting seat, the rear end of the cannon barrel is provided with fan, and electric push rod is rotatingly connected between the cannon barrel and mounting seat.The present application has the advantages that: break the traditional whole air supply structure, realize the independent control of air supply and spray in partition, solve the problem of water mist drop point concentration, uneven coverage from the root.Each row of spray pipe can be individually adjusted air intake and air speed, can independently control each row of spray distance and conveying capacity, realize gradient spray from top to bottom, form continuous, uniform, closed long narrow mist curtain.Can be freely switched between two working conditions of concentrated spray and gradient spray, can take into account the needs of concentrated dust fall and long narrow area dust fall.Avoid local water accumulation and material overwetting, realize full coverage efficient dust suppression, significantly improve dust control effect and use flexibility.

The utility model relates to the technical field of atmospheric dust fall, in particular to an atmospheric dust fall sample treatment device. According to the technical scheme, the dust collection device comprises a dust collection cylinder, a threaded pipe is fixedly connected to the bottom of the dust collection cylinder, a sleeve is in threaded connection with the interior of the threaded pipe, a telescopic groove is formed in the sleeve, a rotating rod is rotationally connected to the interior of the telescopic groove, and a wind shield is fixedly connected to the exterior of the rotating rod. The dust collecting cylinder, the threaded pipe, the sleeve, the rotating rod, the wind shield, the rubber pad, the sliding rod and the threaded pipe are matched with one another. According to the device, the wind shield is driven by wind power to change the position, the wind shield drives the sleeve and the dust collecting cylinder to move, the dust collecting cylinder rotates in the positioning pipe through the sliding rod when stressed, it is ensured that an opening of the dust collecting cylinder faces the position where wind blows, and the problem that the position of the dust collecting cylinder needs to be adjusted many times by measuring the wind direction in the past is solved; and the angle adjustment convenience of the dust collection cylinder is improved.

The utility model relates to the technical field of atmospheric dust removal, in particular to flue gas dust removal equipment for preventing and controlling atmospheric pollution, which comprises a discharge cavity and a communication cavity, the upper end of the discharge cavity is fixedly communicated with the communication cavity, and one end, far away from the discharge cavity, of the communication cavity is fixedly communicated with a gas inlet cavity; a dust removal component is installed between the air inlet cavity and the discharging cavity and comprises a sliding plate, an air bag, a supporting plate, a water flowing cavity and a collecting cavity, the two ends of the sliding plate are slidably connected to the two sides of the discharging cavity respectively, the air bag is fixedly connected between the sliding plate and the outer surface of the communicating cavity, the supporting plate is fixedly connected into the discharging cavity, and the water flowing cavity is communicated with the collecting cavity. According to the device, along with continuous horizontal reciprocating movement of the sliding plate, liquid medicine in the water storage cavity can be sprayed into the supporting plate, cooling and dust falling effects can be achieved on flue gas passing through the supporting plate and the water flowing cavity, and meanwhile acid gas in the flue gas can be neutralized through alkaline substances in the liquid medicine.

The application discloses a large air dust removal device for subway tunnel construction and belongs to the technical field of tunnel safety devices, in particular relates to a dust fall and removal device during subway tunnel construction. The device comprises a base and a water curtain mechanism, further comprises a rotary lifting mechanism, the water curtain mechanism is rotatably arranged on the base through the rotary lifting mechanism, a water curtain recovery mechanism, a sewage filtering mechanism and a sewage purification mechanism are arranged on the base, the water curtain recovery mechanism recovers the water curtain, is used for filtering of the sewage filtering mechanism and purification of the sewage purification mechanism, and the purified water reenters the water curtain mechanism. The device forms a water curtain by directly spraying water, improves the dust capture efficiency in the air, is provided with a recovery device, can recover part of the sprayed water for secondary use, reduces the waste of water source, and can also control and reduce the tunnel haze concentration.

1. Name of the product in this design: Atmospheric sampling tube. 2. Purpose of this design: for atmospheric sampling in atmospheric dust concentration detection equipment. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: 3D rendering 1.

To protect critical infrastructure from the adverse effects of volcanic ashfall, a natural phenomenon in Japan, we aim to provide a long-life filter system that can be used even during prolonged volcanic ashfall, and to meet the demand for proposals for volcanic ash filter systems. This system will protect major facilities and equipment from atmospheric volcanic ash or fine dust, ensure business continuity in emergencies, and protect defense facilities of national security agencies. The goal is to provide a long-life atmospheric dust filter system that blocks volcanic ash and atmospheric dust, allowing essential equipment such as cooling systems for critical machinery and facilities to always function normally. [Solution] A filter device in which a substantially corrugated filter material is attached to the filter surface, characterized in that the filter material is made of a material that prevents deformation of the attached shape of the filter material by air passing through the filter surface.

The application relates to the technical field of atmospheric dust fall, in particular to a green dust fall equipment for building construction; the equipment comprises a water pump and a water pipe connected with the water pump; the water pipe is communicated with a three-way joint; the branch opening of the three-way joint is rotationally and sealingly connected with a rotating sleeve; one end, away from the three-way joint, of the rotating sleeve is rotationally connected with an end cover; the inner side of the end cover is fixedly connected with a center rod; the center rod is fixedly connected with the inner wall of the three-way joint; the inner wall of the rotating sleeve is fixedly connected with a blade; the blade is driven to rotate the rotating sleeve under the impact of water flow; the circumferential outer wall of the rotating sleeve is symmetrically provided with a seat hole; the blade in the rotating sleeve is matched with a first bevel gear and a second bevel gear under the impact of water flow, so that the spray seat drives the atomizing nozzles to simultaneously rotate and revolve, and the atomizing nozzles on the spray seat perform dead-angle-free spraying, thereby improving the dust fall effect around the building construction.

This invention relates to a vacuum semiconductor chip transfer box, primarily addressing the risks associated with existing transfer fixtures, such as uncontrollable adhesive adhesion, easy adhesive detachment leading to chip fixation failure; subsequent processes requiring chip cleaning and adhesive removal reduce production efficiency, increase production costs, and pollute the environment; and the adhesive's cleanliness and viscosity decrease after contact with atmospheric dust, rendering the transfer fixture a disposable item and causing resource waste. The box includes a box body, a lid, a sealing device, and spacers. The box body comprises a base plate and side plates; the base plate has multiple connecting vents and mounting holes on its underside, all of which communicate with the mounting holes; multiple support pillars are located on the inner side of the base plate, with air channels between adjacent support pillars, and the connecting vents communicating with the air channels; the spacers abut against the support pillars, are connected to the side plates around their perimeter, and have multiple placement compartments; the spacers also have multiple ventilation holes.

The utility model discloses an atmospheric floating dust content detection device, which comprises a bottom plate, a box body, a fan, an exhaust tube and a collection box, the box body is erected on the top surface of the bottom plate, the whole box body is of a hollow cylindrical structure, the fan is arranged on the top surface of the box body, the exhaust tube is arranged on the lower part of the box body, and the collection box is arranged on the bottom plate. The exhaust pipe is communicated with the interior of the box body, a complete airflow channel is formed among the exhaust pipe, the box body and the fan, a collecting box is installed at the bottom of the box body, the whole collecting box is of a frustum structure, and the collecting box and the box body are in a communicated state; the utility model provides an atmospheric floating dust content detection device which solves the problems that in the existing dust impurity collection operation, dust is mostly blocked at a filter screen, a collection box needs to be manually opened, the filter screen needs to be scraped off, and then the dust can be collected, so that manual operation is inconvenient, the operation complexity is improved, and the operation time is shortened. And moreover, the potential safety hazard of absorbing floating dust by workers is easily caused.

The invention provides an environment-friendly atmosphere control dust removal device, and belongs to the field of atmosphere dust removal, the environment-friendly atmosphere control dust removal device comprises a base, a dust removal assembly comprises two transmission rollers which are rotatably mounted in a dust removal box and are distributed up and down, the transmission roller on the lower side is located in clear water, and a motor for driving the transmission rollers to rotate is mounted on the dust removal box; the draught fan works to blow air to the rotating and moist net-shaped conveying belt and the dust filtering net, the dust filtering net rotates into the clean water along with the net-shaped conveying belt, and the clean water can wash the dust filtering net. Self-cleaning of the dust filtering net can be achieved, and continuous and efficient dust filtering is ensured; a water circulation filtering system saves water resources, keeps clean water clean and improves the dust removal effect; dust is efficiently separated, dust accumulation is reduced, and the service life of the device is prolonged; operation is convenient, and the upper cover can be easily taken down for maintenance; equipment protection is good, and stability is improved; self-cleaning and water circulation are achieved, manual maintenance is reduced, and long-term stable operation is guaranteed.