81results about How to "To achieve the effect of dust reduction" patented technology

The invention discloses a boiler with biomass as fuel, which is characterized by the following: comprising boiler chassis 1, furnace bed 2, fire box 4, boot 3, front pipeline 5, rear pipeline 17, upper drum 13, lower drum 18, convection tube bank 12, water inlet 15, hot water or steam outlet 14 and smoke outlet 16; arranging whirl pipeline 6 on the upper of the front pipeline 5 and the rear pipeline 17; bracing the whirl pipeline 6 between the front pipeline and the rear pipeline; forming to a body; opening one to two round rotary hole 8 on the whirl pipeline 6; arranging one to several grade whirl twice wind device in the round rotary hole 8; constructing the device with communicated twice wind main pipe 24, twice wind endless tube 7 and twice wind injector 21; adopting reciprocating grate for the furnace bed 2; constructing the reciprocating grate with reciprocating grate of head air supply; setting the head of the furnace bed sheet as multiple layer step; setting multiple through hole at each layer step. This invention possesses simple production and low cost, which can be fit for the boiler with capacity below 10t / h.

The invention discloses a drilling device for hardware machining. The drilling device comprises a drilling platform. Two sets of stand columns are vertically arranged on one side of the upper portionof the drilling platform and are of the same structure. The two sets of stand columns are arranged in parallel. A telescopic air cylinder is fixed to the lower portion of a top plate through a screw.A movable plate is fixed to a pushing shaft of the telescopic air cylinder through a screw. Two sets of movable sleeves are arranged on one side of the movable plate. A drilling motor is fixed to thebottom of the movable plate through a screw. A drill bit is connected with an output shaft of the drilling motor through a coupling. A rotary rod is arranged on the side, away from the stand columns,of the drilling motor. One end of the rotary rod is hinged to the lower portion of the movable plate. The drilling device is simple in structure and reasonable in design, drilling machining of hardware can be completed rapidly and conveniently, the dust fall effect is effectively achieved in the drilling machining process, dust is prevented from damaging human bodies, the angle of a nozzle is easyand convenient to adjust, and the practicability of the device is improved.

The invention relates to a crushing machine. The crushing machine comprises a machine body and an auxiliary loading device, wherein a rotating disc is arranged in the machine body; a water tank is arranged in the rotating disc; the rotating disc is connected with a cantilever; the cantilever is connected with a shaking arm; the shaking arm is connected with a crushing head; a dust-removing spray head is welded to the shaking arm, is located above the crushing head and is connected with a water supply pipe; the water supply pipe is fixed on the cantilever, and the other end of the water supply pipe is connected with the water tank; the auxiliary loading device is mounted on the upper surface of the rotating disc. Atomized water can be sprayed to the crushing head by virtue of the dust-removing spray head, and the dust falls to the ground because the weight of dust generated by the impaction between the crushing head and the ground increases after water is absorbed by the dust, and the dust falls to the ground, thereby achieving dust fall. According to the crushing machine, the preferable dust fall effect can be achieved, and the dust can be prevented from being suspended in the air and cannot pollute the surrounding environment; furthermore, the auxiliary loading can be achieved, namely crushed stone is piled, so that the loading of workers is facilitated.

The invention relates to collecting equipment, in particular to collecting equipment used after agricultural unhusked rice is dried. The invention aims to solve the technical problem about how to design the collecting equipment used after agricultural unhusked rice is dried. A large number of raised dust can be avoided when the unhusked rice is collected, an effective dust falling effect can be achieved, the effect that human bodies cannot be hurt is guaranteed and labor intensity is low. The collecting equipment used after agricultural unhusked rice is dried comprises an underframe, first rolling wheels, a mounting frame, oscillating rods, an outer barrel body, a second rolling wheel and the like. The first rolling wheels are both arranged on the left side and the right side of the bottomof the underframe in a rotating mode. The mounting frame is arranged on the top of the underframe. The oscillating rods are arranged on the front side and the rear side of the left portion of the mounting frame in a rotating mode. The outer barrel body is arranged between the tail ends of the oscillating rods on the front side and the rear side. The second rolling wheel is arranged at the bottomof the left side of the outer barrel body. According to the collecting equipment used after the agricultural unhusked rice is dried, the second rolling wheel is used for driving a charging mechanism to operate so that the unhusked rice can be collected, the effect of dust suppression is achieved, then a material pouring mechanism is operated to rotate the outer barrel body to the position above acollecting box, and the unhusked rice can fall off into the collecting box.

The invention discloses an air dust removal device for a textile place. The air dust removal device comprises a bottom hollow shell. According to the invention, scattered wool and dust can be adsorbedby an atomized liquid, so that the dust fall effect is achieved; furthermore, the device can be used for recycling a liquid used for dust fall, and the utilization rate is high; due to the fact thatthe atomized liquid is utilized for carrying out dust falling in the device, the device is large in adsorption dust fall area and high in practicability; moreover, the device is provided with a sewagesolid-liquid separation filtration mechanism, so that solids adsorbed in the liquid can be separated, and the liquid can be reused; in addition, the device is provided with a liquid flowing ball valve type control mechanism, and the liquid amount control effect is realized by a pipeline type ball valve in the prior art; and the device is provided with an air adsorption solid and a gas separationmechanism, so that air with impurities are prevented from being sucked, and parts are prevented from being damaged.

The invention discloses a mixing and dust-sucking device for producing anti-radiation dry powder mortar. The mixing and dust-sucking device comprises blanking hoppers, an electromagnetic water valve, spacers, feeding control valves, combined raw material blanking chambers, mixing propeller sets I, mixing propeller sets II, a discharging control valve, a discharging hopper, a support frame, a rinsing tank, a primary mixing chamber, a mixing and stirring chamber, a lead ball coagulation chamber, a machine body, vibration chambers, coagulation chamber discharging openings, coagulation chamber bodies, dust sucking chambers, telescopic dust sucking hoses, a water inlet pipe, a water spraying nozzle, exhaust fan assemblies, lead ball seat plates, vibration modules, a water spraying device, dust sucking devices, mixing and stirring devices, hot air holes and an air heating machine. The present invention aims to provide a mixing and dust-sucking device for producing anti-radiation dry powder mortar; lead ball particles can be uniformly mixed with other raw materials; the device is high in production efficiency, convenient to discharge and low in abrasion on equipment; in addition, the device is capable of adsorbing dust in the raw materials on the surfaces of the lead ball particles; the dust reduction effect can be achieved; the pollution to the air can be reduced.

The invention relates to a novel efficient air-flowing type floor cleaning vehicle. The novel efficient air-flowing type floor cleaning vehicle comprises a blowing-sucking device, a settling device, an air purifying mechanism, a water purifying mechanism and a rechargeable battery pack, wherein the blowing-sucking device comprises an air blowing passage plate and an air sucking passage plate, theair blowing passage plate and the air sucking passage plate are in V-shaped arrangement, the air blowing passage plate and the air sucking passage plate are fixedly connected with sealing plates, thebottom of the air sucking passage plate is provided with a roller, the air blowing passage plate is connected with a high pressure draught fan, the settling device is connected with the air sucking passage plate and the air purifying mechanism respectively, the air purifying mechanism comprises a sewage collection tank and an air purifying device, the sewage collection tank is communicated with the air purifying device, the air purifying device is connected with the settling device, the air purifying device is connected with an exhaust fan, the sewage collection tank is connected with a firstwater pump, the water purifying mechanism comprises a sewage filtering device, a clear water storage tank and a second water pump, the sewage filtering device is connected with the first water pump, the second water pump is connected with the air purifying device, and the rechargeable battery pack provides powder for the high pressure draught fan, the exhaust fan , the first water pump and the second water pump.

The invention discloses an environmentally-friendly dust removing apparatus for workshop production. The environmentally-friendly dust removing apparatus comprises a base, wherein the outer wall of the top portion of the base is provided with universal wheels, an apparatus shell is welded on the outer wall of the top portion of the base, the outer wall of the top portion of the apparatus shell isprovided with a gas permeation hole and a threaded groove, the inner wall of the threaded groove is connected to a dust sucking pipe through threads, a dust sucking cover is welded on the outer wall of the bottom portion of the dust sucking pipe, the outer wall of the bottom portion of the dust sucking cover is provided with a first filtering screen, the inner wall of the bottom portion of the apparatus shell is provided with a separation plate, a connecting pipe is welded on the outer wall of one side of the separation plate, and the outer wall of the bottom portion of the connecting plate isconnected to a flange through threads. According to the present invention, with the environmentally-friendly dust removing apparatus, the collected dust can be discharged at one time so as to achievegood dust removal effect, the iron chips in the dust can be effectively recovered so as to avoid the waste and achieve energy saving and environmental protection, the whole workshop can be disinfected, and the floating dust floating in the workshop can be cleared so as to achieve a certain dust reduction effect.

The invention relates to a dust falling device, in particular to a construction site dust falling device based on environmental protection. The technical problem to be solved by the invention is how to design a construction site dust falling device which does not need to be manually pushed to move on a construction site for dust falling and can save manpower. In order to solve the technical problem, the construction site dust falling device based on environmental protection comprises a bottom plate, and rotating wheels are rotationally connected to the two sides of the bottom of the bottom plate; fixing frames which are connected to the two sides of the top of the bottom plate; an air pipe barrel which is arranged between the two fixing frames; and a water tank, and one side of the top of the bottom plate is connected with the water tank which is communicated with the air pipe barrel. Through cooperative operation of the driving mechanism, the dust collection mechanism, the air pipe barrel and the water tank, dust falling is conducted on the construction site, and therefore the dust falling effect on the construction site is achieved.

The invention relates to a stone mill, in particular to a grinding area adjustable stone mill for bridge construction. The invention aims to provide the grinding area adjustable stone mill for bridgeconstruction, wherein the grinding area is adjustable, the grinding efficiency is relatively high, and dust suppression in the grinding process can be achieved. The grinding area adjustable stone millfor bridge construction provided by the invention comprises a trolley, a first bearing pedestal, a first rotating rod and the like, wherein the first bearing pedestal is in embedded connection to theright part of the lower side of the trolley, the first rotating rod is connected in the first bearing pedestal, a first millstone is arranged at the lower end of the first rotating rod, and a motor is arranged on the right part of the lower side of the trolley. The grinding area adjustable stone mill for bridge construction provided by the invention achieves the effects of being adjustable in grinding area and relatively high in grinding efficiency and suppressing dust in the grinding process. By arranging the first millstone and a second millstone, staff can control the first millstone and the second millstone to rotate to grind a pavement according to a pavement behavior, so that the grinding area is adjustable, and the effect of improving the grinding efficiency can be also realized.

The invention discloses a building fresh air exhaust pipeline temperature self-checking, blocking, fireproof and flame-retardant system. The system comprises a pipeline body, a guide pipe, vent holes, rotating shafts and side guide rails, telescopic rods are fixedly mounted on the outer walls of the left side and the right side of the pipeline body, kerosene liquid is arranged in the telescopic rods, and an isolation net is fixedly mounted on the inner wall of the pipeline body. Connecting pieces and connecting rods are rotationally mounted at the middles and the ends of the outer walls of output shafts of the telescopic rods correspondingly, the ends of the connecting pieces are hinged to one ends of transverse shafts, and a liquid outlet head is arranged at the bottom of a liquid outlet pipe and located in the pipeline body. According to the building fresh air exhaust pipeline temperature self-checking, blocking, fireproof and flame-retardant system, spacing distribution in the pipeline is realized, under the temperature change effect of a fire source, cooling of a fire source and oxygen isolation type fire extinguishing can be performed, smoke gathering during fire extinguishing cannot be caused, and continuous and uninterrupted emission of smoke is performed.

The invention discloses a cement loading machine, which comprises a machine frame, a dust removal device and a cement loading machine body, wherein a double-shaft motor is arranged at the upper end ofa pipe body, and the output end of the double-shaft motor is connected with a first rotary shaft and a second rotary shaft; pin shafts are arranged on the top surface of a rotary disc and at positions far away from the center of the circle; both sides of the pin shafts are respectively connected with a connecting rod in a movable manner, the other end of the connecting rod is connected with piston rods in a movable manner, and the piston rods penetrate through cylinder bodies and are in sliding connection with the cylinder bodies; one end of each the piston rod far away from the connecting rod is connected with a piston plate; water inlets are formed in the tops of the cylinder bodies, water outlets are formed in the side walls of the cylinder bodies, and water outlet pipes are arranged at the water outlets; the water outlet ends of the water outlet pipes extend to the inside of the pipe body and is connected with spray heads; fan blades are arranged at one end, far away from the double-shaft motor, of a third rotary shaft; a filtering piece is arranged inside the pipe body; the filtering piece is positioned between the fan blades and the spray heads; and scrapers are arranged onthe bottom surface of the filtering piece. The machine has the advantages of high dust removal efficiency and environmental protection.

The invention provides an automatic spraying dust removal device along with wind power in a building foundation pit. An adjusting rod is slidably mounted in a sliding groove formed in the front surface of a disc, a sliding block is movably mounted at the top end of the adjusting rod, the sliding block is slidably mounted in a moving frame, and the moving frame is slidably mounted on the upper wallof the interior of a treatment bin; and a piston plate is fixedly mounted on the outer surface of the moving frame, and is mounted in the sleeve in a sliding manner. The fan blade frame is blown by external wind speed, the fan blade frame drives the rotating shaft to rotate so as to drive the discs on the left side and the right side, and when the discs rotate, the sliding groove and the adjusting rod are combined to drive the top end of the adjusting rod to slide in the moving frame by means of the principle of an eccentric wheel when the discs rotate. When the moving frame moves, the pistonplate is driven to conduct reciprocating extraction in the sleeve, dust containing large particles outside is conveyed into the absorption cavity through the air pipe and adsorbed by the activated carbon powder in the absorption cavity, and therefore the operation environment in the foundation pit is improved.

The invention discloses a building energy-saving construction conveying device based on mechanical transmission. The building energy-saving construction conveying device comprises a table body, two pairs of supporting plates are fixedly installed on the upper surface of the table body, rotating shafts are rotationally installed between the two pairs of supporting plates, the rotating shafts are fixedly sleeved with rotating rollers, and a conveying belt is wound around the two rotating rollers; a dust falling assembly is arranged between the two supporting plates and comprises a mounting plate fixedly mounted on the upper surfaces of the two supporting plates, a plurality of mist nozzles, a piston plate, a first reciprocating screw rod vertically and rotatably mounted on the upper surface of the table body, a first sliding block connected to the first reciprocating screw rod in a threaded and sleeving manner and a driving part; and the driving part is used for providing driving force for the first reciprocating screw rod to rotate. In the conveying process of the conveying belt, under the action of the driving component, the mist sprayers can intermittently spray water mist, so that the dust falling effect is achieved, convenience and trouble saving are achieved, an additional power system is not needed, and energy is saved.

The invention relates to the technical field of construction equipment, and discloses a multifunctional perforating device used for wall surfaces. The multifunctional perforating device comprises a supporting seat and a first power mechanism used for driving the supporting seat to rise and fall; a sliding chute is formed in the supporting seat; the sliding chute is glidingly connected with a vertical plate; the vertical plate is provided with a dust cover, a drill stem and a second power mechanism used for driving the drill stem to rotate; and the dust cover communicates with a negative pressure mechanism. According to the multifunctional perforating device disclosed by the invention, the supporting seat is driven by the first power mechanism to rise and fall, and the horizontal position of the drill stem is adjusted by sliding the vertical plate, and therefore, accurate positioning of the drill stem is realized, and meanwhile, dust is prevented from being splashed through the dust cover to avoid pollution.

The invention discloses a high-stability glass cutting device for interior decoration, and belongs to the technical field of interior decoration. The high-stability glass cutting device comprises a top plate, a cutting mechanism is arranged on the top plate, a pressing mechanism is arranged on the cutting mechanism, and the bottom end of the pressing mechanism is located on the lower side of the top plate. According to the device, the pressing mechanism is arranged, a first spring pulls a blocking piece to move downwards through elastic contraction per se, the blocking piece drives a pressing shell to move downwards through a sliding rod, the pressing shell moves downwards to enable a suction cup to be adsorbed and pressed on a glass plate, at the moment, air in the suction cup is exhausted to effectively adsorb glass, so that situation of displacement and vibration of the glass in cutting process is avoided, the two ends of a pull rope can pull a second supporting plate to move upwards, and the second supporting plate drives a piston to move upwards to be separated from the suction cup at the moment, so that a suction hole is not blocked any more, air enters the suction hole at the same time, the suction cup does not position the glass plate any more, and the glass plate is convenient to take out.

The invention discloses a three-section multistage spraying dust reducing system for tunnel dust. The dust reducing system is composed of multiple spraying devices identical in structure. Each spraying device comprises a water conveying pipeline, and the water conveying pipelines of the multiple spraying devices are connected with a main water conveying pipe. The main water conveying pipe is connected with a vertical galvanization water pipe, and the top of the vertical galvanization water pipe is connected with a horizontal galvanization water pipe. Multiple tee joints are arranged on the vertical galvanization water pipe and the horizontal galvanization water pipe at intervals. A rotary spray head is arranged on each tee joint. According to the device, running of a slag transporting truck is not influenced in the dust reducing process, the device is light and can be randomly moved in a tunnel, the spraying covering range is far wider than that of a currently taken dust reducing measure, and a better dust reducing effect can be achieved.

The invention relates to cleaning equipment, and especially relates to long blanket intelligent cleaning equipment. The technical problem of the invention is to provide the long blanket intelligent cleaning equipment which is capable of saving manpower, high in cleaning efficiency, capable of shaking off the dust on the long blanket and capable of falling dust. The long blanket intelligent cleaning equipment comprises a baseplate, a first roller and a collecting box; the top left side of the baseplate is connected with the first roller, and the collecting box is arranged at the left side of the top of the baseplate. The long blanket is intermittently wound through a cloth-winding roller, thereby continuously cleaning the long blanket; the dust on the long blanket can be shaken off througha dust shaking device, thereby preventing the dust from influencing the cleaning of the long blanket, the cleaning efficiency is higher, and the long blanket can be washed cleaner; a first electric-control valve is opened so that the water can flow out from a spray pipe, the long blanket is wetted by the water, and the water on the long blanket is extruded through a pinch roller, thereby reachinga cleaning effect; and the long blanket is further extruded through a compressing plate, so that the water on the long blanket can be further extruded.

The invention discloses a conical double-sandwich type foam generating device, and belongs to the technical field of downhole dust prevention and control for coal mines. The conical double-sandwich type foam generating device comprises a conical shell. A foam outlet is formed in the front end of the conical shell, a closed structure is arranged at the rear end of the conical shell, two sandwich layers are arranged in the conical shell, gaps are reserved between the two sandwich layers and are communicated with the foam outlet, and screen cloth is arranged in the gaps; the inner sandwich layer is a water collecting layer, the outer sandwich layer is a gas collecting layer, a plurality of water outlet holes are formed in the outer side of the water collecting layer, and a plurality of gas outlet holes are formed in the inner side of the gas collecting layer; a first gas pump is communicated with the gas collecting layer of the conical shell via a first gas flow meter, and a second gas pump is communicated with the foam outlet via a second gas flow meter; an inlet of a water pump is communicated with a mixing and stirring tank, and an outlet of the water pump is communicated with the water collecting layer of the conical shell via a liquid flow meter; the foam outlet is communicated with a foam spray nozzle via a foam transport pipe. The conical double-sandwich type foam generating device has the advantages of simple structure, convenience in assembling, disassembling and operating, flexibility in control and high safety and reliability.

The invention relates to a dust falling and collecting device, in particular to a dust falling and collecting device for thermosetting powder coating production. According to the dust falling and collecting device for thermosetting powder coating production, when people take materials, dust is prevented from making contact with the thermosetting powder coating. The invention provides a dust falling and collecting device for thermosetting powder coating production, which comprises a shell, an opening and closing assembly, a dust collecting assembly, a fixing frame, a dust falling assembly and the like. The opening and closing assembly is arranged on the shell, the dust collecting assembly used for filtering and collecting dust is arranged on the lower portion of the left side of the shell, the fixing frame is arranged at the top in the shell, and the dust falling assembly is arranged on the fixing frame. According to the device, a fan serves as driving force to rapidly discharge air in the shell outwards, then dust in the air can be filtered through a filter plate, and therefore when people take out a manufactured thermosetting powder coating, the dust is prevented from making contact with the thermosetting powder coating.

The present invention relates to an additive product suitable for coal-fired boilers of electric power, thermal power, petroleum, chemical and metallurgical and other industries, and particularly relates to a chromium-based boiler slag-removing coal-saving composition used for a coal fired boiler, and the chromium-based boiler slag-removing coal-saving composition consists of the following components in parts by weight: 50 to 65 parts of chromium oxide, 8 to 15 parts of copper sulfate, 5 to 9 parts of cerium oxide, 5 to 9 parts of barium molybdate, 7 to 14 parts of cobalt carbonate, 12 to 17 parts of potassium permanganate, 10 to 16 parts of manganese oxide, 12 to 17 parts of potassium carbonate, 8 to 15 parts of titanium dioxide, zinc oxide, 15 to 20 parts of zinc oxide, 6 to 10 parts of potassium chlorate, 6 to 10 parts of potassium perchlorate, 20 to 28 parts of sodium carbonate, 25 to 35 parts of active attapulgite carclazyte and 0.1 to 0.3 part of lignonaphthalenesulfonate. The chromium-based boiler slag-removing coal-saving composition is a high-tech energy-saving environmentally-friendly product which is efficient, combustion-helping, and high in coal saving ratio, and can reduce pollution, improve combustion efficiency, and extend the boiler service life; fuel gas spray old coke body on and around furnace water cooling wall tube can be cleanly removed in 3 to 5 days; and new generated coke residue body can be automatically and periodically shed off.

The invention relates to a crushing machine. The crushing machine comprises a machine body and an auxiliary loading device, wherein a rotating disc is arranged in the machine body; a water tank is arranged in the rotating disc; the rotating disc is connected with a cantilever; the cantilever is connected with a shaking arm; the shaking arm is connected with a crushing head; a dust-removing spray head is welded to the shaking arm, is located above the crushing head and is connected with a water supply pipe; the water supply pipe is fixed on the cantilever, and the other end of the water supply pipe is connected with the water tank; the auxiliary loading device is mounted on the upper surface of the rotating disc. Atomized water can be sprayed to the crushing head by virtue of the dust-removing spray head, and the dust falls to the ground because the weight of dust generated by the impaction between the crushing head and the ground increases after water is absorbed by the dust, and the dust falls to the ground, thereby achieving dust fall. According to the crushing machine, the preferable dust fall effect can be achieved, and the dust can be prevented from being suspended in the air and cannot pollute the surrounding environment; furthermore, the auxiliary loading can be achieved, namely crushed stone is piled, so that the loading of workers is facilitated.

The invention discloses a construction waste solid waste treatment device with a dustproof function, and belongs to the technical field of construction waste treatment device. The construction waste solid waste treatment device comprises an L-shaped plate, the L-shaped plate is fixedly connected to the upper surface of a bottom plate, a stirring mechanism is arranged on the L-shaped plate, one end of the stirring mechanism penetrates into a crushing barrel, a plurality of crushing teeth are evenly and fixedly connected to the inner wall of the crushing barrel, and a feeding port is formed in the upper surface of the crushing barrel. According to the construction waste solid waste treatment device with the dustproof function, by arranging the stirring mechanism, when a first motor works, a stirring plate can be driven to rotate through a first rotating shaft, the stirring plate can stir construction waste, crushed materials can fall into a collecting box through screen nets, the collecting box is internally provided with an interlayer, and the pore sizes of the multiple screen nets are different, so that the crushed materials with different sizes can be screened, the crushed materials with different volumes and sizes are screened, the motor is controlled to work to drive the collecting box to rotate, the positions of the multiple screen nets can be adjusted, and waste can be screened out easily in a classified mode.

The invention discloses a supporting rod device capable of automatically righting newly planted trees and lowering dust. The device comprises a main body box; the right end face of the main body box is fixedly connected with an upper supporting rod extending upwards and downwards; a lead screw bevel gear cavity is formed in the upper supporting rod; an adjusting bevel gear cavity is formed in thelower side of the lead screw bevel gear cavity; the tail end of the right side of the lower end face of the main body box is fixedly connected with a detection box fixedly connected with the tail endof the lower side of the left end face of the upper supporting rod; and a detection sliding block cavity is formed in the detection box. The inclination condition of a tree can be detected in real time through a detection sliding plate of the device, and meanwhile, the inclined tree can be righted in time in cooperation with a lead screw, so that a large amount of manpower is saved; and meanwhile,the wind magnitude can be detected in real time through a wind wheel, and when wind is relatively strong and the dust is raised, a water mist spray head of the device automatically sprays water to the surface of the land, so that the dust falling effect is achieved, and the road environment is improved.

The invention relates to the technical field of building engineering dust falling, and discloses an intelligent dust falling device based on plant building, the intelligent dust falling device comprises a bottom plate, the bottom plate is of a rectangular structure, a shell is fixedly mounted on the top surface of the bottom plate, the shell is of a rectangular hollow structure, two side holes are formed in each of the two sides of the interior of the shell, and the side holes are circular through holes; a water spraying pipe is fixedly installed in the side hole and is an L-shaped pipe, a small water suction pump and an atomizer are arranged in the water spraying pipe, the small water suction pump and the atomizer are not detailed in the prior art, a dust falling mechanism is arranged on the bottom surface of the bottom plate, and a moving mechanism is arranged on the bottom surface of the bottom plate. A feeding mechanism is arranged on the top face of the shell, the water spraying pipe is arranged, a worker injects a dust falling water source into the shell through a top hole, then the small water suction pump and the atomizer in the water spraying pipe are started, the water source in the shell is sprayed upwards, floating dust in the air is adsorbed, the adsorbed dust falls to the bottom surface, and the dust falling effect is achieved.

The invention relates to the field of building construction, and specifically discloses a building foundation construction drilling device with a controllable drilling position. The building foundation construction drilling device comprises a water tank fixedly arranged on a supporting base, wherein a height adjusting assembly for adjusting the height of a lifting column in the vertical directionis arranged on the upper surface of one side of the supporting base; a swinging transverse beam is rotationally arranged at a top end of the lifting column; a supporting cover is fixedly arranged at the bottom of one end of the swinging transverse beam; a rotating disk is hermetically and rotationally arranged at a bottom end opening of the supporting cover; an atomizing nozzle is arranged on oneside of the rotating disk; a drill rod is coaxially, hermetically and rotationally arranged on the rotating disk; and a third servo motor for driving a driving shaft to rotate is arranged on one sideof the supporting cover. The third servo motor can drive the rotating disk to rotate after being started, and the rotating disk which is driven to rotate can enable the drilling position to be evenlycovered with fog water sprayed by the atomizing nozzle, so that flying dust can be suppressed effectively. In addition, the drilling position can be adjusted conveniently through rotation of the transverse beam.

The invention discloses a precision machining drilling machine for producing hardware fittings. The precision machining drilling machine comprises a machining table, wherein limiting plates are fixedly mounted at the front part and the rear part of the upper end of the machining table; fixing plates are fixedly mounted on the front side and the rear side of the left part of the upper end of the machining table; sliding grooves are formed in the opposite surfaces of the two fixing plates; a sliding machining device is arranged on the groove walls of the two sliding grooves; fixing blocks are fixedly mounted at the left parts of the opposite surfaces of the two limiting plates; a spraying device is arranged on the opposite surfaces of the two fixing blocks; a clamping device is arranged in the middles of the opposite surfaces of the two limiting plates; and a rotating device is arranged in an inner cavity of the machining table. According to the precision machining drilling machine for producing the hardware fittings, clear water is sprayed out through a spray head, water drops and dust particles in the air are adsorbed and fused with each other, and the water drops sink due to the gravity of the water drops, so that the dust falling effect is achieved, and the environmental pollution is reduced.

The invention provides a rifling acceleration type atomizing spray gun and an operation method. The spray gun comprises a pipe body, wherein an atomizing cabin, an atomizing pipe and an air pipe are arranged in the pipe body, the atomizing pipe is connected with the atomizing cabin, the air pipe is arranged outside the connected end of the atomizing pipe and the atomizing cabin in a sleeving mode,the atomizing pipe is arranged at the first end of the pipe body, a spraying hole is formed in the end part of the atomizing pipe, the atomizing cabin is arranged at the second end of the pipe body,and a rifling groove is formed in the inner wall of the atomizing pipe. According to the spray gun, atomized water and compressed air enter the atomizing cabin and the air pipe, the atomized water enters a drainage disc in a conical drainage cover under the action of pressure, the compressed air output from an inner layer of the atomizing cabin pushes the atomized water to move forward to enter the atomizing pipe, the atomized water is split and accelerated under the action of rifling in the atomizing pipe, the compressed air output by the air pipe is blown through a ventilating hole in a ventilating disc, the atomized water is atomized and then is sprayed out by a head pipe, and the effect of inhibiting dust is achieved. The atomized water is pushed to move forward through the compressedair, so that spraying is enhanced, and the spraying effect is improved.