35results about How to "To achieve the purpose of dust suppression" patented technology

The invention discloses an electrical charged fog gun for effectively eliminating raising dust and haze pollution in a city, belonging to the technical field of remote fog ejecting. The electrical charged fog gun is a fog gun with an electrical charged fog function. The technical scheme is as follows: the electrical charged fog gun comprises an axial flow fan, an electrical charged nozzle, a high-pressure power supply, a water source, a pump, a support frame and other main parts. The electrical charged fog gun is characterized in that the electrical charged nozzle is fixed on the top end of a ventilator through a pipeline and arranged on an axial line of the fan, and the outer edge of the electrical charged nozzle is aligned to the edge of the ventilator. According to the electrical charged fog gun, after fog drops generated by the electrical charged nozzles are charged in a fog ejecting region, and then secondarily atomized through an air blowing system, thus fog drop drift can be reduced through a charge technology, the deposition rate and the adhesive rate of the electrical charged fog drops on a raising dust region are increased, the capacity of capturing the dust with a diameter of below 2 micrometers by the charged fog drops is remarkably enhanced, and the problem that the raising dust pollution can not be treated for a long time is solved.

The invention discloses a dust suppressant as well as a preparation method, a using method and application thereof, and relates to the technical field of dust suppressants. The dust suppressant is mainly prepared from the following components by weight percent: 30-70% of crusting agent, 0.5-5% of moisturizing agent, 0.5-10% of surfactant, 0-2% of auxiliary materials and the balance of water. The crusting agent is prepared from natural latex; the surfactant is prepared from a polyoxyethylene type nonionic surfactant. The dust suppressant provided by the invention is environmentally friendly andcan adhere soil particles; after being dried, the soil surface sprayed with the dust suppressant has an obvious crusting phenomenon; the dust suppressant is high in dust suppression efficiency, has higher moisturizing rate and excellent film forming property, and also has the characteristics of being low in transportation cost, convenient and fast to use, and the like. The preparation method andthe using method of the dust suppressant are simple and easy to implement; the preparation method is convenient to operate and control, and low in energy consumption and cost, thus being very suitablefor industrial production. When in use, the dust suppressant can be sprayed after being diluted with water, thus being convenient to use and good in effect.

A purpose of the invention is to research and develop a composite road flying dust wetting material with characteristics of convenient use, long effective action time and low cost. The invention provides a wetting type dust suppressant for road flying dust, and a preparation method thereof, and belongs to the field of road flying dust control. The wetting type dust suppressant is prepared from thefollowing raw material components in percentage by mass: 0.1-2% of sodium lactate, 0.1-6% of Span-80, 0.1-3% of glycerol, 0.1-5% of a binder, 0.5-5% of urea, 1-20% of CaCl2, 0.1-1% of a surfactant and the balance of water. According to the wetting type dust suppressant disclosed by the invention, the humectant, the moisture absorbent, the surfactant and the binder are combined, so that a certainwater content of a road surface is continuously kept, the road dust suppression effect is ensured, the material strength is high, and the action effect of the dust suppressant is improved.

The invention relates to a moisture-retention dust suppression agent for coal and a preparation method of the moisture-retention dust suppression agent. The moisture-retention dust suppression agent comprises 800-1200 parts by weight of water, 1-3 parts by weight of alginic acid, 2-4 parts by weight of calcium lactate, 0.5-1.5 parts by weight of a dispersant, 400-600 parts by weight of soybean oiland 50-150 parts by weight of glycerol. The dust suppression agent for moisture retention of coal is water-in-oil emulsion; after the emulsion is sprayed, the effective components in the emulsion areadsorbed and complexed with pulverized coal, and fine pulverized coal prone to dust raising is bonded and agglomerated into non-raised dust particles with larger particle size, so that the content offine powder in upgraded coal is reduced, and the purpose of dust suppression is fundamentally achieved. By adding the moisture-retention dust suppression agent for coal in the transportation process,specific gravity is increased as compared with upgraded coal without the dust suppression agent under the condition of the same cargo compartment volume, so that the shortfall and road loss of upgraded coal in the transportation process are effectively reduced, and economic benefits of coal enterprises are increased.

The invention relates to an air spray dust suppression system which is characterized in that the system comprises at least one air spray control box, an external pipeline system and a spray device; the air spray control box comprises a control system, a liquid control unit and an air control unit; the external pipeline system comprises a liquid pipeline and an air pipeline, and the spray device is arranged at the convergence of the liquid pipeline and the air pipeline. The air spray control box of the invention is a control center of the air spray dust suppression system for realizing the collection of liquid and gas and the pressure regulation; the external pipeline system is respectively connected with the liquid control unit and the air control unit in the air spray control box for realizing the filtration of the liquid and the air and the opening and the closing of the two lines of the liquid and the air; the spray device is arranged at the convergence of the liquid pipeline and the air pipeline and is a terminal device for achieving the purpose of dust suppression. The system has the advantages of good atomization effect, good water-saving performance, little possibility of pipeline blockage, good pressure regulation, etc.

The invention discloses a dry fog dust suppression system of a ship unloader. The dry fog dust suppression system comprises an air compressor, a dry fog machine, a water gas distributor and a spray box assembly. According to the system, the fine water mist particles with the particle size smaller than 10 microns of each dust suppression point of the ship unloader are sprayed, so that the water mist and the dust particles are mutually congealed and then settle under the action of self gravity to achieve the dust suppression purpose, the system is suitable for dust control of the semi-closed ship unloader, high in dust suppression efficiency, beneficial to energy conservation and emission reduction and capable of completely eradicating environmental pollution.

The invention provides a fine-mesh dust suppression net for constructional engineering. The fine-mesh dust suppression net is composed of a fine-mesh net and a dust suppression film, and the dust suppression film is formed by a dust suppressant sprayed to the fine-mesh net. The density of the fine-mesh net is not less than 2000 meshes/100cm<2>, the dust suppressant is prepared from the following components including, by mass, 0.70-1.0% of sodium alginate, 7.0-8.0% of anhydrous calcium chloride and 0.10-0.20% of cellulose, and the mass ratios of the sodium alginate, the anhydrous calcium chloride and the cellulose are 60 parts, 10 parts and 30 parts. According to the fine-mesh dust suppression net for constructional engineering, the synergistic effect of the dust suppression net and the dust suppressant is fully utilized to obtain a remarkable dust suppression effect, and the selected fine-mesh net can reduce dust flying during construction; the dust suppressant is sprayed to the fine-mesh net to form a dust suppression film, so that the fine-mesh net becomes a good framework of a film structure, and the durability and the dust suppression effect of the dust suppression film are effectively improved; and the dust suppression efficiency of the dust suppression net is improved and the service life of the dust suppression net is prolonged due to good adsorbability and wind erosionresistance of the dust suppression film, and high practicability is achieved.

The invention provides an environment-friendly wetting type dust suppressant, a preparation method, a use method and application thereof. The environment-friendly wetting type dust suppressant is prepared from the following components in percentage by mass: 2-10% of a non-ionic surfactant, 2-5% of a zwitterionic surfactant, 0.01-1% of an inorganic salt additive, 0.2-1.5% of a moisture absorbent and the balance of water, wherein the non-ionic surfactant comprises alkyl glycoside and fatty alcohol-polyoxyethylene ether, and the zwitterionic surfactant is prepared from lecithin. According to theenvironment-friendly wetting type dust suppressant provided by the invention, the surface tension of water is reduced by adding the wetting agent, so that dust particles, especially hydrophobic dust particles, can be wetted more easily, the dust starting wind speed is increased, and dust raising is relatively not likely to happen; and the environment-friendly wetting type dust suppressant can be used in places such as storage yards, roads, belt transportation and the like, and achieves the purpose of effectively treating dust pollution in open environments.

The invention discloses a control and cooperative treatment system for unorganized waste gas emission of a delayed coking coke storage tank. A coke storage tank, a sewage treatment tank, a top coke grabbing crown block, an open-air trestle of the crown block, an automobile transportation channel located beside the coke storage tank and a loading hopper in the delayed coking process are wrapped ina full-closed system of the coke storage tank, and the full-closed system comprises a coke storage tank sunlight film closing system, an in-shed ventilation system and an in-shed coke grabbing, unloading and dust suppression system. The coke storage tank sunlight film sealing system is a film-structure greenhouse. The in-shed coke grabbing, unloading and dust suppression system comprises a dust suppression fog gun used for spraying natural plant deodorization liquid to in-shed coke powder during coke grabbing and unloading. A waste gas collecting system comprises a draught hood, a resistance balancer, an electric air volume adjusting valve and a waste gas collecting pipe network; a waste gas treatment system comprises a fan, a cooling tower, a demister and a spray tower. According to the invention, the problem of disordered emission of delayed coking waste gas is solved, the waste gas control effect is good, the coverage area is wide, and the normal operation of the main production process is not influenced.

The invention aims to further improve the dust suppression performance of an anti-freezing dust suppressant, provides a low-freezing-point wetting type dust suppressant and a preparation method thereof, and belongs to the technical field of dust suppressants. The dust suppressant is prepared from the following raw material components in percentage by mass: 0.1 to 2% of sodium lactate, 0.1 to 6% ofpolypropylene glycol, 2 to 10% of glycerol, 0.1 to 5% of an adhesive, 0.2 to 2% of epoxy resin, 0.1 to 1% of a surfactant, 0.1 to 3% of an emulsion and the balance water. The dust suppressant is reasonable in price, convenient to popularize and use, wide in raw material source and easy to implement, and has the characteristics of being non-toxic, tasteless, non-corrosive, easy to spray and the like. The dust suppressant can be used for dust suppression of exposed places such as mine roads, urban roads, municipal construction, coal mine transportation and storage yards.

The invention discloses a brick making production line and water adding method thereof. The brick making production line comprises an installing frame, an aggregate bin, a powder bin, a water adding device, a stirring machine, a brick making machine and a control system, wherein an aggregate metering device is arranged below the aggregate bin, an aggregate conveying device is arranged below a discharging port of the aggregate metering device, a first transfer conveying device is arranged below the aggregate conveying device, the first transfer conveying device is connected with a feeding portof the stirring machine, the powder metering device is arranged below a discharging port of the powder bin, a powder conveying device is arranged below the powder metering device, a discharging port of the powder conveying device is connected with the feeding port of the stirring machine, a second transfer conveying device is arranged below a discharging port of the stirring machine, the discharging end of the second transfer conveying device is connected with a feeding port of the brick making machine, the water adding device comprises a water tank, a water pump frequency converter, a water pump, a spraying device, a pipeline and a humidity sensor. In general, the brick making production line and the water adding method thereof have the advantages of environmental protection, more uniformmixing of materials, and improving the production quality.

The dust removal equipment with the dust suppression structure comprises a dust removal machine body and a first connecting pipe, the first connecting pipe is installed on the outer wall of one side of the dust removal machine body, and a storage box is installed at one end of the first connecting pipe; a partition plate is installed on the bottom wall of the storage box, a water inlet pipe and a water pump are installed on the top of the storage box, a storage box is installed on the bottom wall of the storage box and located on one side of the partition plate, a servo motor is installed on the bottom wall of the storage box, and a stirring rod is installed at the output end of the servo motor. A sliding groove is formed in the top of the storage box in a penetrating mode, a liquid conveying steel pipe is installed at the output end of the water pump, and a nozzle is installed at one end of the liquid conveying steel pipe. By arranging the first connecting pipe, the storage box, the water pump and the nozzle, a biological nano-membrane is sprayed into the dust remover main body through the nozzle in use, so that the biological nano-membrane can collide with entering dust, and the purpose of dust suppression is achieved.

The invention provides a dismountable cutting tool assembly having a dust setting function and belongs to the technical field of accessories of a cutting device for a coal mine mining machinery. The dismountable cutting tool assembly comprises conical cutting teeth, a conical tooth holder, a dust setting connecting base and a fixing block; each conical cutting tooth comprises a tooth handle, a tooth shoulder, a tooth rod and a conical part; each tooth handle and each tooth rod are both of a cylindrical structure; the tooth shoulder is of a circular platform structure; the bottom surface of each tooth shoulder is connected with the corresponding tooth handle; the top surface of each tooth shoulder is connected with the corresponding tooth rod through an annular transition curve surface; theconical part is positioned on the tooth rod; hard alloy is brazed at the top of the conical part; the circumferential surface is uniformly provided with a plurality of oval bending resisting beams; the conical tooth holder is provided with a mounting hole; the lower part of the conical tooth holder is provided with a quick inserting tenon; the dust setting connecting base is provided with an inserting groove; the bottom surface of the dust setting connecting base is provided with a water distribution interface; the rear part of the dust setting connecting base is provided with a dust settingnozzle; an internal water channel is arranged inside the dust setting connecting base; and the fixing block is used for sealing an inserting opening of the inserting groove. The dismountable cutting tool assembly having the dust setting function can improve the bending resistance of the cutting teeth and simultaneously realizes detachable connection between the tooth holder and a cutting head or acutting roller.

The invention discloses a cloud and fog dust suppression device for environmental protection, wherein the device includes a base; support legs are arranged at the bottom of the base; idler wheels arearranged at the bottom parts of the support legs respectively, a side door is arranged at one side of the base, a buckle lock is arranged at one side of the side door, and a water tank and a box are arranged at the interior of the base; a water tank cover is arranged at the top of the water tank; a support rod is arranged at the top of the box; the top of the support rod is provided with a connecting block; the box is provided with a water cannon through the support rod and the connecting block; the interior of the water cannon is provided with a draught fan; one side of the water cannon is provided with a protective net, and the inner wall of the water cannon is provided with a noise reducing layer; the interior of the box is provided with a water pump; one side of the water pump is provided with a water inlet pipe, the water pump is provided with the water tank through a water inlet pipe, the top of the water pump is provided with a water outlet pipe, and the top of the water outletpipe is provided with an elbow inside the water cannon; one end of the elbow is provided with a nozzle. The cloud and fog dust suppression device for environmental protection takes the powerful noisereducing layer and the powerful protective net to realize the purposes of environmental protection and dust suppression.

The invention discloses a vibration blanking structure for blue corundum machining, which comprises a vibration device body and blanking ports, wherein the vibration device body is mounted on the ground as vibration equipment; a conveying device body is mounted at the top of the vibration device body; the blanking ports are formed on the two sides of one end of the conveying device body; a motor is mounted at the bottom of the conveying device body; blanking plates are arranged in the blanking ports; and one end inside each discharging port is connected with a pulling rope. The vibration blanking structure for blue corundum machining is provided with a connecting block; the output end of the motor drives a sector gear to rotate; the outer side of the sector gear is in meshed connection with the inner side of the connecting block, and the top of the connecting block and a limiting rod are integrally arranged, and thus, the top of the limiting rod stably slides inside a moving groove; and meanwhile, the connecting block can drive the blanking plates to stably slide back and forth in the blanking ports so as to fulfill the quantitative blanking aim.

The invention discloses a multifunctional dockable road construction device, which structurally comprises a protection sleeve, a holding rod, an operation rod, an operation panel, a display screen, acontrol knob, an illumination lamp, a middle control device, a support seat, a driving wheel, a motor and a construction base plate, wherein the middle control device comprises a manual control mechanism, a chain wheel mechanism, a groove wheel mechanism, a pull wire transmission mechanism, a dust reduction mechanism, a docking mechanism, a water adding pipe, a water tank, a device case and a device installing seat. The multifunctional dockable road construction device has the advantages that the manual control mechanism, the chain wheel mechanism, the groove wheel mechanism, the pull wire transmission mechanism, the dust reduction mechanism and the docking mechanism are arranged in the middle control device; the goals of reducing the construction dust particle density and lowering the work intensity of construction personnel can be achieved.

The invention discloses a cloud and fog dust suppression device for environmental protection, wherein the device includes a base; support legs are arranged at the bottom of the base; idler wheels arearranged at the bottom parts of the support legs respectively, a side door is arranged at one side of the base, a buckle lock is arranged at one side of the side door, and a water tank and a box are arranged at the interior of the base; a water tank cover is arranged at the top of the water tank; a support rod is arranged at the top of the box; the top of the support rod is provided with a connecting block; the box is provided with a water cannon through the support rod and the connecting block; the interior of the water cannon is provided with a draught fan; one side of the water cannon is provided with a protective net, and the inner wall of the water cannon is provided with a noise reducing layer; the interior of the box is provided with a water pump; one side of the water pump is provided with a water inlet pipe, the water pump is provided with the water tank through the water inlet pipe, the top of the water pump is provided with a water outlet pipe, and the top of the water outlet pipe is provided with an elbow inside the water cannon; one end of the elbow is provided with a nozzle. The cloud and fog dust suppression device for environmental protection takes the powerful noise reducing layer and the powerful protective net to realize the purposes of environmental protection and dust suppression.