91results about How to "Effective dust suppression" patented technology

The invention discloses an intelligent mining atomization dust settling device. The device consists of control boxes, dust sensors, pyroelectric sensors, a remote controller, high-pressure gas water atomizers, adjustable electromagnetic valves, a water and gas supply pipeline and a movable bracket, and is characterized in that the device is regionally matched for use as a whole set, and can be used for automatically detecting the existence of pedestrians and dust concentration, and spraying operation can be automatically started and suspended; the adjustable electromagnetic valves can be used for automatically adjusting water and gas supply according to different dust concentration to achieve different atomization dust settling effects and gradually decrease the dust concentration in a direction far away from a dust source; the movable bracket of the device can conveniently and efficiently move together with a development machine and a belt conveyor. The intelligent mining atomization dust settling device has the advantages that the intelligent mining atomization dust settling device is simple, efficient, scientific, reasonable, water-saving and energy-saving, can be used for controlling dust produced on a fully-mechanized excavating workface within a region to prevent the secondary dispersion of the dust, and effectively performing dust removal and settling operation to improve an operating environment, and is ideal for the fully-mechanized excavating workface.

The invention discloses a sweeping method and a road cleaning vehicle. The method comprises the steps of sweeping large particles on a road through hair (140) of a sweeping plate (100), wherein the hair (140) is in critical contact with the ground; brushing the ground through a water curtain of a high pressure nozzle (120); collecting sewage and garbage swept and brushed from the ground through an absorbing nozzle. According to the method, the water curtain is used for brushing the ground, so that dust can be lowered down effectively while sweeping; meanwhile, the large particles which cannot be removed by the water curtain can be removed through the hair which is in the critical contact with the ground, and therefore, the hair wearing can be reduced, and as a result, the cost can be saved.

The invention discloses a rapid emergency treatment vehicle for environmental pollution and a using method thereof. The vehicle comprises a vehicle body, four rolling wheels are rotationally installedat the bottom of the vehicle body and are symmetrically arranged in pairs, a cabinet body, a storage battery pack and a dust suction draught fan are fixedly installed at the top of the vehicle body,and a water storage cavity, an installation cavity and a dust collection cavity are formed in the cabinet body. The air purification device is reasonable in design and good in practicability, dust particles in air are adsorbed, filtered and dedusted through the dust suction fan, the dust particles are collected, water mist with negative charges is sprayed out through horizontal rotation and atomization of the multiple spray heads, effective dust falling treatment is conducted on the air, the air purification effect is improved, and the air purification effect is improved. The rapid emergency treatment vehicle is simple in structure and convenient to use, dust in air can be rapidly and effectively removed, atmospheric pollution is reduced, the air quality around the working environment is effectively improved, respiratory tracts of workers and passing pedestrians are not prone to being hurt, and the body health of the workers and the passing pedestrians is guaranteed.

The invention relates to the field of aluminum ash treatment, in particular to box type integrated cold aluminum ash treating equipment. The box type integrated cold aluminum ash treating equipment comprises a box body, wherein an opening is formed in the upper end of the box body; a box cover is arranged at the opening in the upper end of the box body; a steel framework is arranged on the outer surface of the bottom of the box body; downward supporting legs are arranged at the lower end of the framework; a base is arranged in the box body; a ball mill is mounted on the base; a classified roller sieve is connected to a discharging opening of the ball mill; rolling driving devices are respectively connected to the ball mill and the classified roller sieve; a dustproof hood sleeves the classified roller sieve; a dust removal pipe communicates with the dustproof hood, and is connected to a dust remover; and a dust removal opening is processed on the upper end of the side wall of the box body, and is connected to a dust remover through a pipeline. The box type integrated cold aluminum ash treating equipment disclosed by the invention is high in integration degree, high in treating efficiency, low in environmental pollution and convenient to use.

The invention provides a spraying device for dust fall. The spraying device comprises a circular air pipe, a motor, a circular diameter-variable air pipe and a spraying mechanism, wherein the large-diameter end of the circular diameter-variable air pipe is connected to one end of the circular air pipe, the small-diameter end of the circular diameter-variable air pipe is connected with the spraying mechanism, the motor is a double-shaft synchronous motor, and impellers are respectively connected to rotating shafts on both ends of the double-shaft synchronous motor. The spraying device has the characteristics of thin spraying particle, large mist spraying area, wide range and the like, the dust control range can be changed when a dust source changes, the purposes of onsite purification and secondary vacuum dust removal are realized, and the dust fall effect is obvious.

The invention relates to the technical field of mechanical equipment, and discloses grinding wheel equipment with a dust removal function. The grinding wheel equipment comprises a grinding wheel machine, wherein dust removal equipment is fixedly connected to the bottom of the grinding machine, and two symmetric air suction openings are formed in the top of the dust removal equipment. Two symmetricsuction fans are fixedly installed at the upper end of the inner side wall of the dust removal equipment, and two symmetric guide plates are fixedly installed on the inner side wall of the dust removal equipment. According to the grinding wheel equipment with the dust removal function, sand dust at the upper part of a grinding wheel can be effectively sucked into the interior of the dust removalbox, the sucked dust can be effectively reduced, and the sucked dust can be discharged into a filter from a leakage port through the guide plate, so that the problem that because dust flows through the fan, dust is dispersed is solved. The discharged sand water can be effectively separated and filtered, so that resources are effectively saved, and the problems that two cloth bags are disposed at the bottom of the equipment and are collected through the dust collecting device, the area of the adsorption dust is too small, the structure is simple, and the dust collection effect is poor are solved.

The invention relates to a dust reduction apparatus for a dust discharge port of a peanut harvester, and discloses a dust reduction apparatus which is installed by combining connection plates and a connection piece with an existing harvester, can be cooperatively used alone with the harvester, and is convenient for transformation of a dust discharge port. The dust reduction apparatus is characterized in that: one ends of a plurality of dust inlet pipes are connected with one side of an air inlet hood, the other side of the air inlet hood is open, the plurality of dust inlet pipes are distributed in an equidistant manner, the dust inlet pipes communicate with the air inlet hood, one ends of a plurality of dust reduction pipes are connected with the other ends of the plurality of dust inletpipes in a one-to-one corresponding manner, the plurality of dust reduction pipes are in parallel, the other ends of the dust reduction pipes extend upwards obliquely, a diameter of one ends of the dust reduction pipes is larger than a diameter of the other ends, one side of an air discharge hood is connected with the other ends of the plurality of the dust reduction pipes, the other side of the air discharge hood is open, a cross-sectional area of the air discharge hood is gradually increased from one side to the other side, the air discharge hood communicates with the dust reduction pipes, three dust filtration screens are placed in the dust reduction pipes in an oblique direction, and the three dust filtration screens are distributed in an equidistant manner.

The invention discloses a dust falling water spraying vehicle for municipal construction. The dust falling water spraying vehicle comprises a supporting plate. A stand column is vertically and fixedlyinstalled on the supporting plate, a top plate is horizontally and fixedly installed on the stand column, a rotary type bearing plate is arranged above the supporting plate, the diameter of a drivenpulley is larger than the diameter of a driving pulley, and a transmission belt is sleeved between a driven shaft and the driving pulley; and the upper end of a transmission rod is hinged to the lowerbottom face of the bearing plate, and the lower end of the transmission rod is hinged to the upper end of a piston rod. According to the dust falling water spraying vehicle, the structure is ingenious, the design is reasonable, synchronous swinging can be achieved through the bearing plate and a driving shaft, the dispersion range of water vapor which is sprayed out from a transverse spray head is enlarged through the rotary blasting action of fan blades, an effective dust falling effect on raise dust in air is achieved, meanwhile up-down reciprocating movement of a piston head in a water drawing sleeve is achieved through swinging of the bearing plate, water from a water storage tank is sprayed out downwards by a longitudinal spray head, and the water spraying effect on the ground dust is achieved.

The invention discloses coal mine fully mechanized coal mining face end top cutting pressure releasing device and a top cutting pressure releasing method, and belongs to the technical field of coal mine underground mining. The equipment comprises an upper plate, a support bottom plate, a supporting unit, a cutting moving unit and a pushing unit, wherein the supporting unit supports the upper plateto do lifting motion; the cutting unit is arranged between the upper plate and the support bottom plate, a cutting receding opening is formed in the main body upper plate, and the working end of thecutting unit penetrates through the cutting receding opening and extends out of the upper surface of the main body upper plate; the cutting moving unit drives the cutting unit to move and work; and the pushing unit drives the coal mine fully mechanized coal mining face end top cutting pressure releasing device to move. According to the device, on one hand, stable placement can be ensured during top cutting pressure releasing operation, on the other hand, disturbed suspended and exposed cover rock can be effectively supported in the cutting process by supporting the upper plate, a good construction environment is provided, then the suspended and exposed cover rock at the end position can be stably and orderly cut off through the cutting unit, so that concentrated stress is transferred to aninter-roadway coal pillar or a deeper part, and then the mining condition of the working face is optimized.

The invention relates to a fixed intelligent dust suppression system for a coal transportation train. The fixed intelligent dust suppression system is composed of a base, a strut, a connecting ring, across arm, a probe, a motor, a supporting arm, a connecting rod, a through hole, a linkage rod, a through groove, a water tank, an elbow, a booster pump, a water inlet pipe, a three-way pipe, a hose,a branch pipe and a nozzle. The probe integrated with a speed sensor and a distance sensor is installed, the extension width of the supporting arm and the water outlet amount of the nozzle can be automatically adjusted according to the running speed and the loading amount of a carriage, water resources are more efficiently saved on the premise that effective dust suppression is guaranteed, waterresource waste is avoided, and the fixed intelligent dust suppression system is modular and convenient to use. And later maintenance and repair are facilitated.

The invention relates to a sand washing machine which comprises a control circuit A, a high-pressure water pipeline B and a compressed air channel C. The control circuit A is used for controlling theopening-closing states of the compressed air channel C and the high-pressure water pipeline B, and comprises a switching-on state and a switching-off state of a control switch at the tail end of a sand blasting pipe. When the control switch at the tail end of the sand blasting pipe is switched on, a pneumatic operated opening of a two-position five-way pneumatic operated directional valve is subjected to ventilation switchover, a control opening of a regulating valve is connected with compressed air, and at the moment, the normally closed state of the regulating valve is converted into the opened state, and the compressed air channel C is opened; an opening of a pneumatic ball valve is connected with compressed air, and the high-pressure water pipeline B is opened; the control switch at the tail end of the sand blasting pipe is closed, the two-position five-way pneumatic operated directional valve resets, the regulating valve is not connected with control air pressure, and is in the normally closed state, and the compressed air channel C is closed; and a close opening of the pneumatic ball valve is connected with compressed air, and the high-pressure water pipeline B is closed. According to the sand washing machine, by introducing a medium and adding water, dust is suppressed, and moreover, the structure is simple, sand blasting and pipe cleaning are facilitated, and the efficiency is high.

The invention discloses building waste grinding and separating equipment and a separating method, and belongs to the technical field of building equipment. Building waste grinding and separating equipment comprises a box body and further comprises a water tank fixedly connected to the bottom of the box body, and the top of the water tank is communicated with the bottom of the box body; the processing box is connected to the top of the box body in a sliding mode, and a grinding mechanism used for grinding and crushing building waste is arranged in the processing box; according to the building waste grinding and crushing device, dust generated during grinding and crushing of building waste can be effectively cooled, concrete fragments and plastic garbage in the ground and crushed waste can be effectively separated through buoyancy of water in the water tank, and the concrete fragments and the plastic garbage in the water tank can be automatically cleaned after separation; and sewage obtained after separation of the building waste can be filtered and recycled, so that waste of water resources is reduced, and the waste attached to the grinding roller can be effectively and automatically cleaned.