47results about How to "Guaranteed dust suppression effect" patented technology

The invention discloses an intelligent road sweeper and a road pollutant identification method and a control method thereof. The road sweeper comprises a road sweeper body, a laser radar, a camera, anencoder, a dust concentration detector, an inertial sensor, a GPS system and a processing controller. A method for identify road pollutants include acquiring RGB images of clean road surface and roadfacilities to be cleaned, convert that acquired RGB images into HSV space, and obtaining a BP neural network model capable of identifying the clean road surface and road facilities; The real-time image information of the road to be cleaned is input to the BP neural network model to identify the pollutants. The method for identifying pollutants such as garbage in the present invention utilizes theHSV feature of a road image, which has a larger information amount of the gray value of the image than that of a single image, and has a better effect for identifying pollutants such as garbage.

The invention discloses a mining active magnetic water dust-settling method and system. The method comprises processes as follows: an active agent suction pipe extracts a surface active agent from an active agent adding barrel, and the surface active agent and water in static pressure water supply pipe are mixed uniformly in a mixer; formed active water flows in a Z-shaped magnetic channel of a magnetizer and is magnetized; and magnetized active magnetic water is transported to a coal cutter spray system, a combined mining supporting spray system and a transferring point spray system for spray dust settlement. The system comprises the active agent adding barrel, the static pressure water supply pipe, the mixer, the magnetizer, the coal cutter spray system, the combined mining supporting spray system, the transferring point spray system, the active agent suction pipe, a branch pipe, a valve I, a pneumatic liquid driving pump, a flowmeter I, a check valve, a valve II and a flowmeter II, wherein multiple groups of blocking plates are arranged in the mixer, and the Z-shaped magnetic channel is arranged in the magnetizer. According to the system and the method, the mounting is convenient, the structure is simple, continuous magnetization can be realized, and the dust-settling effect is good.

The invention discloses a method for controlling building blasting dust. An inner air curtain and an outer air curtain are used for controlling dust, the blasting dust is controlled mainly by the inner air curtain first so as to prevent from overflowing, secondary sedimentation is performed on the dust which is not controlled by the inner air curtain between the inner air curtain and the outer aircurtain, and finally, the building blasting dust is located in the outer air curtain so as to prevent the dust from discharging; a water bomb is put before building blasting so as to form a closed space together with the inner and outer air curtains, so that the relative humidity in the closed space reaches more than 95%, and dust suppression during building blasting is facilitated. The water bomb and a liquid nitrogen bomb are put simultaneously and alternately after building blasting; the contact with the dust can be quickly realized, the surface of the dust is wrapped, additionally, the dust is quickly condensed under the action of liquid nitrogen fog drop, the descending speed is increased, and the dust settling effect is guaranteed. The method has the advantages of high dust collecting speed, good dust collecting effect and wide practicability.

The invention provides a compound type environment-friendly dust suppressant as well as a preparation method and application thereof. The compound type environment-friendly dust suppressant is characterized in that based on the total mass of the dust suppressant, the dust suppressant is prepared from the following components in percentage by mass: 18 to 60 percent of an adhesion composition, 5 to20 percent of a coagulation composition and 15 to 45 percent of a moisture absorbent, wherein the adhesion composition is a composition of polyvinyl alcohol, carboxymethyl cellulose and Na2SiO3; the coagulation composition is a composition of polyacrylamide and sodium tripolyphosphate. The compound type environment-friendly dust suppressant provided by the invention is easy to store and low in cost, and also has a relatively good dust suppression effect; the compound type environment-friendly dust suppressant is especially suitable for dust suppression of a pit road surface of an open coal mine.

The invention relates to a dust suppressant. The dust suppressant comprises water and cellulose matters, wherein the cellulose matters are dispersed into the water; the content of cellulose matters is1 to 10wt%; more than 80wt% of components (except water) is the cellulose matters; the diameter of the cellulose matter is 50 to 1000nm, and the ratio of length to diameter is greater than or equal to 50. The dust suppressant has the advantages that the cellulose matter with special size is selected; the cellulose matters within the size are mutually bonded to form a network; the dust suppressantis accelerated to form a film, the fine dust is firmly caught, and is prevented from flying into the air to form secondary dust, and the dust suppressing cycle is long.

The invention aims to overcome the shortcomings of the prior art, and provides a dust removal system based on a mine cooling system; the dust removal system is lower in investment and running cost, and can guarantee the cooling effect and the dust removal effect at the same time. The dust removal system includes several dust removal water pipes arranged at the upper wall of a dust removal passage and extended long the dust removal passage, dust removal nozzles are respectively arranged on every dust removal water pipe; a dust removal steel rail is paved on the bottom wall of the dust removal passage, and the dust removal steel rail comprises a dust leaking plate located at the upper part, a walking plate located at the lower part, and a supporting beam supported between the dust leaking plate and the walking plate; several dust leaking holes are arranged on the dust leaking plate, one end on the walking plate adjacent to the working place is provided with a dust pushing oil cylinder and a V-shaped pushing head connected to a piston rod of the dust pushing oil cylinder; the other end of the walking plate is provided with a dust leaking opening, the width of the dust leaking opening is less than the width of the pushing head, the sunken part of the pushing head is opposite to the dust leaking opening, and used for returning the dust on the walking plate to the dust leaking opening.

The invention discloses an intermediate intervention type flexible self-adaptive switching type motor stator iron core conveyor which comprises a horizontal conveying mechanism, an intermediate intervention type particle passive capturing mechanism, a rapid replacement type passive collecting mechanism, a contradictory flexible positioning mechanism, a device base and a conveying supporting frame. The invention belongs to the field of motor stator iron core conveying, and particularly relates to the intermediate intervention type flexible self-adaptive switching type motor stator iron core conveyor. Aiming at the contradictory characteristics that a stator iron core needs to be in contact with dust (ensuring that the cleaning process is effective) during cleaning and cannot be in contact with the dust (enabling dust particles to be inhaled by a human body) during cleaning and collecting, under the conditions of no traditional dust removal equipment and no extra power source, omnibearing capturing and falling treatment of dust particles around a horizontal conveying mechanism are still achieved, and the technical problems that in the prior art, the dust cleaning effect needs to be guaranteed, and the dust particles cannot be diffused and inhaled by the human body during cleaning and collecting are solved.

The invention discloses a dust falling device for highway construction, and belongs to the technical field of highway construction auxiliary equipment.The dust falling device for highway construction comprises a support, rollers are arranged at the bottoms of the left side and the right side of the support, two spraying mechanisms and two recycling mechanisms are arranged on the support, and two extending isolation hoods are arranged on the front side and the rear side of the support in a mirror symmetry mode; the extension isolation cover comprises two frames and a folding connecting belt, the dissipation range of dust and water mist is limited through the arrangement of the support, so that the contact effect of the water mist and the dust is guaranteed, the dust falling effect is further improved, the water mist adsorbing the dust is absorbed through the arranged recycling mechanism, and the water mist is guided into the water supply tank again to be recycled after being filtered and subjected to dust falling. The waste of water resources is reduced, more energy conservation and environmental protection are achieved, dust filtered in the recycling box can avoid secondary pollution caused by dust rising after dust-containing water drops falling on the ground are evaporated, and the dust falling effect is effectively guaranteed.

A mist-spraying and dust-falling device along a belt comprises a belt carrier roller. The belt carrier roller is arranged in the left-right horizontal direction, and the material conveyor belt is arranged on the upper portion of the belt carrier roller. The material conveyor belt is arranged in the front-back direction, and the lower surface of the material conveyor belt is matched with the top end of the circumferential face of the belt carrier roller. The left end and the right end of the belt carrier roller are each connected with the bottom end of a tension spring, and the two tension springs are arranged in the vertical direction. The top ends of the two tension springs are connected with a rack, and a liquid injection gun is arranged on the left side of the lower portion of the beltcarrier roller and connected with the rack in a mounted mode. According to the mist-spraying and dust-falling device along the belt, mist-spraying automation can be achieved, the disadvantage of manual operation is thoroughly overcome, the labor intensity of operators is greatly relieved, and the dust-falling effect can meet the requirement of environmental protection.

The invention discloses a tunnel construction dust monitoring and automatic water spraying system. The system comprises an outside-tunnel dust falling mechanism and an in-tunnel dust falling mechanism; the outside-tunnel dust falling mechanism comprises a dust falling trolley and a vehicle monitoring module; the dust falling trolley comprises a bracket, a water tank, a spraying nozzle and a first intelligent control mechanism; the first intelligent control mechanism comprises a first vehicle recognition module, a communication module, a vehicle speed measurement module and a first master controller; the in-tunnel dust falling mechanism comprises a water conveying pipe and a plurality of arched dust falling mechanisms; each arched dust falling mechanism comprises an extension rod, an elastic arc-shaped air bag and a base; a second intelligent control mechanism is further arranged on each arched dust falling mechanism; and each second intelligent control mechanism comprises a second master controller, a plurality of infrared recognition modules, a booster water pump and a dust concentration sensor. According to the tunnel construction dust monitoring and automatic water spraying system, through the arrangement of the outside-tunnel dust falling mechanism and the in-tunnel dust falling mechanism, flexible dust falling of dust caused by vehicle passing of the to-be-constructed tunnel can be achieved, the dust falling effect is improved, and use of labor force is reduced.

The invention aims to overcome the shortcomings of the prior art, and provides a dust removal system based on a mine cooling system, and the dust removal system is lower in investment and operating cost, and can guarantee the cooling effect and the dust removal effect at the same time. The dust removal system includes a plurality of dust removal water pipes which are arranged at an upper wall of a dust removal passage and longitudinally extend along the dust removal passage. The dust removal water pipes are respectively provided with dust removal nozzles. A dust removal steel rail is paved on the bottom wall of the dust removal passage. The dust removal steel rail comprises a walking plate and a lower base plate. A separator plate is disposed between the walking plate and the lower base plate. A dust pushing chamber and a dust collecting chamber are formed by separation of the separator plate. An installing plate is disposed in the dust pushing chamber. An elevating cylinder is disposed under the installing plate. A dust pushing oil cylinder and a V-shaped pushing head are disposed on the installing plate. The walking plate is provided with a dust leaking port. A depressed part of the pushing head is opposite to the dust leaking port and used for pushing dust on the walking plate into the dust leaking port. The walking plate is provided with an opening door corresponding to the installing plate for allowing the installing plate and the dust pushing oil cylinder and the pushing head on the installing plate to rise over the walking plate.

The invention discloses an efficient environment-friendly dust suppressant, which comprises the following components in parts by weight: sodium dodecyl benzene sulfonate, a moisture absorbent, sodiumsilicate, sodium tripolyphosphate, ethylene glycol and a solvent. The invention provides an efficient environment-friendly dust suppressant, which has the advantages of simple components, good effect,strong wetting and water absorption effects, strong freezing resistance, complexing adsorption of heavy metal ions and the like, can adapt to different environments in different regions, reduces thecontent of heavy metals in air, reduces air pollution, ensures the long-time dust suppression effect, is free of pollution, and has good economic benefits.