71results about How to "Reduce dust phenomenon" patented technology

The invention discloses a composite microbial preparation, which is prepared from bacillus subtilis liquid, bacillus licheniformis liquid, saccharomyces cerevisiae liquid, lactobacillus acidophilus liquid and rhodopseudomonas palustris liquid according to a mass part ratio being (0.8 to 1.2):(0.8 to 1.2):(0.8 to 1.2): (0.8 to 1.2): (0.8 to 1.2). The invention also discloses a poultry fermentation bed padding material. Per cubic meter of padding material is prepared from the following ingredients including 120 to 160kg of wood shavings, 60 to 80kg of rice husk, 30 to 40kg of mulberry branch powder, 1.5 to 2.0kg of corn powder, 1.5 to 2.0kg of molasses, 40 to 50g of brown sugar, 10 to 12L of compound micro-organisms preparations and 200 to 300kg of water. The padding material is applicable to poultry culture, has the effects of effectively reducing the occurrence of poultry epidemic disease, reducing the use of medicine and improving the poultry meat quality, and is suitable for being used in high-temperature and high-humidity environment in southern areas.

The invention discloses a dry powder filling gradual detection device and method. The dry powder filling gradual detection device comprises a rotary base, a filling mechanism, a powder weighing mechanism, multiple groups of supporting and detecting assemblies and a control device, wherein the filling mechanism comprises a supporting rod, a first servo motor and the like; the supporting rod penetrates through a rotating disc and is fixedly connected to a support base, a stator of the first servo motor is fixedly connected to the upper end of the supporting rod, a rotor of the first servo motor is coaxially and fixedly connected to a worm, the worm is sleeved with a charging barrel, and the head end of the charging barrel is fixedly connected to the stator of the first servo motor; the tail end of the charging barrel is rotatably connected to the worm; a feeding bin and a discharging bin are arranged at the upper end and the lower end of the charging barrel respectively, a storage bin is slidably connected to the lower end of the discharging bin, a rack is fixedly connected to the side wall of the storage bin, a second servo motor is fixedly connected to the side wall of the discharging bin, a rotor of the second servo motor is meshed with the rack through a gear, and a powder weighing mechanism is hinged to an opening in the lower end of the storage bin. Through cooperation of the rotating base and the multiple groups of supporting and detecting assemblies, the whole continuous production mode of filling, sealing and detecting can be guaranteed.

The invention relates to the field of cleaning devices of electrical equipment, particularly to a dust sweeping and treatment device utilized in high-voltage electrical equipment. The dust sweeping and treatment device comprises a dust suction device, and the dust suction device comprises a central dust suction pipe; the lower end of the central dust suction pipe communicates with a control device with a dust suction fan arranged inside through a dust suction connecting pipe; the outer side of the lower part of the central dust suction pipe is in threaded connection with a locating circular plate; a sweeping device is arranged on the outer side of the central dust suction pipe above the locating circular plate; and a high-voltage cleaning device is fixedly connected above the locating circular plate on the outer side of the sweeping device. According to the dust sweeping and treatment device, the structure is simple, the design is reasonable, cleaning can be carried out through the high-voltage cleaning device, the surface of the electrical equipment can be swept through the sweeping device, cleaned dust can be quickly and effectively gathered and collected through the dust suction device during the cleaning process, requirements of people are met more effectively, and problems in the prior art are solved.

The invention discloses a method for recycling aluminum ash as a steelmaking deoxidation slag former. The aluminum ash is scum generated in an aluminum electrolysis process, the air-dried aluminum ash is added with limestone and then ground into fine particles, the fine particles are uniformly stirred with a binder and water, and the deoxidation slag former is prepared after extrusion forming by using a mold and drying treatment. In the tapping process, a deoxidizing slag former is added in batches, slag is formed quickly by utilizing dynamic conditions during tapping, and the oxygen content in steel is reduced. According to the method, molten steel is deoxidized and slagging is performed by using metal aluminum and oxides thereof in the aluminum ash so that the burden of the aluminum manufacturing industry can be reduced, the economic benefit of a steel mill can be improved, the ecological environment can be improved, and the method has important practical significance.

The invention discloses a dumper with a travel spray dust suppression device belonging to the technical field of dumper. The technical point is that: a dumper body is included and wheels are arranged on the bottom part of the dumper body. A power transmission box is arranged on the bottom part of the dumper body. A power transmission box pipeline is connected with a dump arm assembly, wherein an oil path distributor is arranged on the pipeline between the power transmission box and the dump arm assembly. An oil path distributor pipeline is connected with a hydraulic motor and a power output shaft of the hydraulic motor is connected with a high-pressure pump. An oil path distributor circuit is connected with a hydraulic motor control button; a water inlet pipeline of the high-pressure pump is connected with a water tank; and the water tank is arranged on the dumper body. A water outlet pipeline of the high-pressure pump is connected with a plurality of atomizers; and these atomizers are arranged on the front and rear sides of each wheel, respectively. The invention is aimed to provide the spray dust suppression device on the dumper and provide a dumper with a travel spray dust suppression device, which has compact structure, good dust suppression effect and convenient use, and is capable of automatically suppressing the dust when walking to the dumper.

The invention discloses a preparation method of large-particle size melamine cyanurate. The preparation method comprises the following steps: (1) uniformly mixing melamine and cyanuric acid, adding water, heating, keeping temperature, and removing moisture; (2) carrying out prepolymerization reaction on caprolactam and a catalyst, then adding a cocatalyst, and uniformly mixing; and (3) adding a prepolymer obtained from the step (2) to a system obtained from the step (1) for polymerization reaction, after the polymerization reaction is finished, cooling, and discharging. MCA prepared through the method disclosed by the invention has large particle size, is coated with nylon 6 on a surface and can be used for improving the problem of poor compatibility of the MCA and a matrix when applied to plastic modification and nylon modification especially. The preparation method disclosed by the invention is green and environment-friendly. The MCA can reduce the phenomenon of dust reduction by being taken as a raw material of downstream plastic processing.

The invention discloses a loader with a water mist dust suppressor, belonging to the technical field of loaders. The loader is characterized by comprising a vehicle body; a hopper is arranged at the front part of the vehicle body; a power transmission box is arranged at the bottom of the vehicle body, wherein a hydraulic distributor is connected to a pipeline of the power transmission box; a hydraulic motor is connected to the pipeline of the hydraulic distributor; a high-pressure liquid pump is connected to a power output shaft of the hydraulic motor; a hydraulic motor control button is connected to a circuit of the hydraulic distributor; a water tank is connected to a water inlet pipeline of the high-pressure liquid pump; the water tank is arranged on the vehicle body; a plurality of atomizers are connected to a water outlet pipeline of the high-pressure liquid pump, and each atomizer is respectively arranged at the outer side of the hopper along a circumferential direction. The invention aims at providing the loader with the water mist dust suppressor; and the loader has the advantages of rational structure, convenience for use and capability of automatically suppressing dust and is used for loading materials.

The invention discloses a mining waste treatment system. The mining waste treatment system comprises a shell; discharging outlets are formed in the bottom ends of the left side and the right side of the shell correspondingly; a lifting mechanism is fixedly connected with the top end of the shell, the bottom end of a first motor is fixedly connected with the top end of the shell, and first gears are arranged on the left side and the right side of the first motor correspondingly; second gears are arranged below the two first gears correspondingly, and the two second gears are engaged with the two first gears correspondingly; threaded rods are arranged below the two second gears correspondingly, and the top ends of the two threaded rods are fixedly connected with the two second gears correspondingly; and the top ends of the outer walls of the threaded rods are movably connected with the shell through bearings. According to the mining waste treatment system, powdery mining waste can be effectively agglomerated, thus the phenomenon of dust flying is effectively reduced, the mixing efficiency of the powdery mining waste and an adhesive solution can be improved under the action of a disturbance mechanism, thus the overall working efficiency is improved, the practicability is high, and promotion is convenient.

The invention discloses a mineral modified polypropylene composite material for vehicles and a preparation method thereof, and provides the following technical scheme aiming at the problems of the existing PP modified material: the mineral modified polypropylene composite material is prepared from the following raw materials in parts by weight: 50-90 parts of polypropylene (PP), 10-40 parts of talc master batch, 3-10 parts of flexibilizer, 0.1-0.5 part of stabilizer, 0.1-0.5 part of lubricant and 0.2-1 part of other auxiliaries. The preparation method comprises the following steps: material preparation, material premixing and mixing. The mineral modified polypropylene composite material for vehicles provided by the invention has good mechanical properties and excellent aging resistance, and also has good processability and product appearance, and the preparation method of the material provided by the invention is simple and has high comprehensive benefits.

The invention discloses a powder type feeding device. The powder type feeding device comprises a feeding hopper, a screw conveying mechanism, a stock bin and a control unit; the feeding hopper is arranged at the front end of the stock bin; materials are conveyed into the stock bin through the screw conveying mechanism; the bottom of the stock bin is provided with a discharging port; a bin door ishinged to one end of the discharging port; the stock bin is provided with a bin door opening mechanism which is used for controlling opening and closing of the bin door; a material level sensor is arranged in the stock bin and transmits signal to the control unit; the control unit controls the work of the bin door opening mechanism; and a dust removing mechanism is arranged on one side of the discharging port. The powder type feeding device can relieve the dust raise phenomenon occurring when the materials are carried, and the labor intensity of workers is lowered.

The invention discloses a slag removal machine with an automatic water mist dust suppression device, which belongs to the technical field of slag removal machines, and its technical points include a machine body, on which a chain conveying groove is arranged, and a slag removal arm is arranged on the front part of the machine body , the free end of the slag removal arm is provided with a hopper corresponding to the feed port of the chain conveying trough, and a hydraulic distributor is provided on the machine body, which is connected with the hydraulic cylinder pipeline on the slag removal arm, wherein the hydraulic distributor There is also a hydraulic motor connected to the pipeline, the power output shaft of the hydraulic motor is connected to a high-pressure liquid pump, the water inlet pipeline of the high-pressure liquid pump is connected to a water tank, the water tank is arranged on the body, and the water outlets of the high-pressure liquid pump are respectively connected to a water tank. A slag atomizer and a falling material atomizer; the slag removing atomizer is arranged at the front of the slag removing arm, and the liquid outlet of the slag removing atomizer is opposite to the opening of the hopper; the material removing atomizer It is arranged on the discharge end of the chain conveying trough; the present invention aims to provide a slag removal machine with reasonable structure and convenient use; it is used for slag removal and charging.

The invention discloses a cold in-place recycling construction method. The method is characterized by comprising the following steps that S1, construction preparation is conducted, specifically, a to-be-treated old pavement is pretreated, a plurality of atomizing devices are arranged on the two sides of the to-be-treated pavement at equal intervals at the same time, the atomizing devices on the two sides of a road are opposite directly, every two directly opposite atomizing devices conduct injection towards the oblique upward sides, and intersections of injection tracks exist over the to-be-treated pavement; S2, cement is evenly paved and spread on the pretreated pavement, and after the cement is paved for a certain distance, the atomizing devices within the range conduct atomizing operation; S3, water is added into the old pavement where the cement is paved and spread, milling and stirring are conducted to obtain a mixture, and the mixture is evenly flattened on the pavement; and S4, rolling and shaping are conducted. Through collision of two streams of water mist, the water mist can be evenly sprinkled on the cement, the flying dust phenomenon of the cement can be suppressed to a certain degree, the environment pollution is reduced, and the situation that the water is insufficient for actual use is prevented.

The invention discloses a loader with a water mist dust suppressor, belonging to the technical field of loaders. The loader is characterized by comprising a vehicle body; a hopper is arranged at the front part of the vehicle body; a power transmission box is arranged at the bottom of the vehicle body, wherein a hydraulic distributor is connected to a pipeline of the power transmission box; a hydraulic motor is connected to the pipeline of the hydraulic distributor; a high-pressure liquid pump is connected to a power output shaft of the hydraulic motor; a hydraulic motor control button is connected to a circuit of the hydraulic distributor; a water tank is connected to a water inlet pipeline of the high-pressure liquid pump; the water tank is arranged on the vehicle body; a plurality of atomizers are connected to a water outlet pipeline of the high-pressure liquid pump, and each atomizer is respectively arranged at the outer side of the hopper along a circumferential direction. The invention aims at providing the loader with the water mist dust suppressor; and the loader has the advantages of rational structure, convenience for use and capability of automatically suppressing dust and is used for loading materials.

The invention relates to a stirrer. The utility model discloses a stirrer capable of preventing flying dust and splashing liquid. The device comprises a circular container, a liquid conveying pump, afeeding pipe located above the container and a stirring mechanism. The stirring mechanism comprises a vertical rotating shaft, a motor for driving the vertical rotating shaft to rotate, and a stirringpaddle connected to the vertical rotating shaft and positioned in the container; the feeding pipe is provided with a water distribution cavity; a liquid spraying hole is formed in the water distribution cavity; the liquid conveying pump is used for driving liquid to enter the liquid preparation cavity and then be sprayed out through the water spraying holes to humidify materials conveyed out of the feeding pipe, and the vertical rotating shaft is sleeved with a material receiving cover in a liftable mode, wherein the material receiving cover rotates along with the vertical rotating shaft, islocated above the stirring paddle and can float on the liquid in the container. The stirrer capable of preventing flying dust and splashing liquid can effectively prevent water from splashing out whensolid materials enter a container and reduce the flying dust phenomenon, and the problems that when solid materials are fed into the container, water splashing out and flying dust are likely to happen in an existing stirrer are solved.

The invention discloses a rotary tower type limestone stacking device, which comprises a tower type body, a rotary mechanism, an arm frame conveying mechanism and a discharge mechanism, the rotary mechanism is installed on the tower type body; the arm frame conveying mechanism is installed on the rotary mechanism, including Coarse material conveyor belt and fine material conveyor belt are distributed on the lower surface. There are several uniformly distributed sieve holes on the surface of the coarse material conveyor belt. Stones are fed to the coarse material conveyor belt. The hole drops onto the fine material conveyor belt; the unloading mechanism is installed at the feeding end of the boom conveyor mechanism, including a material guide mechanism for dropping the coarse material conveyed on the coarse material conveyor belt to form a closed restricted area around the material. The conveying end of the fine material conveyor belt is aligned with the inside of the restricted blanking area, and the restricted blanking area surrounded by coarse materials forms a windproof barrier for the internal fine materials. The device of the present invention makes the restricted blanking area enclosed by coarse materials form a pair of The windproof barrier for fine materials inside can slow down the dust phenomenon during the stacking process.

The invention relates to an electric double-roller garbage sweeper, which belongs to the technical field of environmental sanitation machinery manufacturing. The middle and lower parts of the vehicle frame are equipped with cleaning mechanisms, the middle and upper parts are equipped with water tanks, the rear is equipped with battery packs and garbage dust collection boxes, motors and wheel axles. connected. The driving wheel and driven wheel of the cleaning mechanism are installed on the support frame through the transmission shaft, and the transmission shaft I is installed in the bearing seats on both sides of the chassis of the vehicle frame. The air-delivered garbage channel at the upper end of the outer cover is connected with the electro-hydraulic oil rod fixed on the chassis of the vehicle frame. The broom brush is installed on the cleaning roller, the air-delivered blade is installed on the air-delivered roller, and the water pump and water nozzle are installed under the water tank. An oblique vertical broom round brush is installed on both sides of the vehicle frame chassis in front of the cleaning mechanism. The invention provides a new-energy high-efficiency cleaning device which integrates garbage cleaning, recycling and transportation, has a simple and compact structure, and has a wide cleaning range.