134results about How to "Long spray distance" patented technology

The invention discloses a gas-liquid mixing device. The gas -liquid mixing device comprises a gas inlet, a liquid inlet and a mixed solution outlet, wherein the gas inlet and the mixed solution outlet are formed in the same axial line, a combining part of the gas inlet and the mixed solution outlet is an annular nozzle, an included angle alpha formed by the annular nozzle is 45-80 degrees, an annular liquid cavity is arranged at the inlet end of the annular nozzle in a surrounding manner and is connected with the liquid inlet; the annular nozzle can be opened or closed, the width of the annular nozzle can be adjusted; the liquid inlet is formed along a radial direction or a tangent direction of the annular liquid cavity. The gas-liquid mixing device has the advantages that a conventional mixing structure is changed, the spraying is performed by adopting the annular nozzle with a certain slope as a liquid outlet, a negative pressure higher than that of a conventional nozzle can be generated, more gas is sucked, relatively high foam expansion ratio is generated, fluid flows without resistance, the device has no recoiling force, and is relatively long in spraying distance; the mixed solution outlet can be adjusted, and even closed, so that the liquid flow is adjusted; the gas-liquid mixing device is simple in structure, convenient to operate; the cost of system equipment is lowered.

The invention discloses a natural focusing type ultrasonic atomization nozzle. The technical problems, such as large volume, invalid liquid splashing at a center hole, large air consumption, small maximal liquid flow, short spraying distance, of a natural scattering type atomization nozzle in the prior art are solved. According to the technical scheme, the natural focusing type ultrasonic atomization nozzle comprises an ultrasonic atomization energy converter, an air channel, a liquid nozzle and an outer shell, wherein the ultrasonic atomization energy converter is arranged in the outer shell; the liquid nozzle is fixedly arranged under the outer shell through a damping supporting mechanism; the air channel is arranged in the middle of the ultrasonic atomization energy converter; the ultrasonic atomization energy converter comprises a piezoelectric vibration pile and an ultrasonic amplitude transformer; the piezoelectric vibration pile is arranged in the outer shell; the ultrasonic amplitude transformer is located in the liquid nozzle; an atomization head end face is arranged on the bottom end face of the ultrasonic amplitude transformer; a nozzle liquid outlet of the liquid nozzle is concentrically surrounding the atomization head end face; a nozzle liquid inlet of the liquid nozzle is arranged on the upper part of the liquid nozzle. The natural focusing type ultrasonic atomization nozzle has the advantage that high-precise high-efficient ultrasonic atomization spraying can be realized.

The invention discloses a reel sprinkling irrigation machine and belongs to the technical field of agricultural irrigation machinery. The sprinkling irrigation machine disclosed by the invention is mainly composed of a reel, a water pipe, a rack, a biased spraying vehicle and a water flow control system, wherein the water flow control system comprises a pipeline, a water turbine, a speed changing box and a water flow adjusting valve. The water turbine and the speed changing box adopt a coaxial design. A power shaft of the water turbine is a power input shaft of the speed changing box. Meanwhile, the water flow adjusting valve capable of distributing flow is further arranged at the front end of the water turbine. According to the sprinkling irrigation machine disclosed by the invention, machine-entering pressure requirements on irrigation water are reduced; meanwhile, a spraying distance is provided, the spraying area is enlarged and the energy conversion efficiency is improved.

The invention discloses a handheld spraying disperser which comprises a front spraying pipe (1), a rear spraying pipe (3), an ejector pin pipe (4), a gas powder bottle (17), a trigger (22) and a support assembly (24). The front end of the rear spraying pipe (3) is in threaded connection with the rear end of the front spraying pipe (1), the rear end of the rear spraying pipe (3) is connected with the front end of the ejector pin pipe (4), the rear end of the ejector pin pipe (4) is communicated with a mouth of the gas powder bottle (17) through a powder bottle valve (8), the rear spraying pipe (3) is fixed to the support assembly (24) through a spraying pipe connector (5), the gas powder bottle (17) is fixed to the support assembly (24) through a powder bottle tray (16), the trigger (22) is fixed to a handle (31) through a first screw (21), and one end of the trigger (22) abuts against the rear end of the gas powder bottle (17) in a pressing mode through a jacking wheel (18). The handheld spraying disperser is of a combined structure of the gas powder bottle, the spraying pipes and the support assembly, is simple in structure, convenient to carry, easy to operate and capable of spraying powder lachrymator and liquid lachrymator.

The invention relates to an ejection device capable of ejecting water jet with good erosion effect under low water pressure situation, the self-suction pulse water jet ejection device can be used in the fields of washing, rinsing, spraying and the like. Under the condition of the prior art, the water ejected by the washing, rinsing, spraying and the like ejection device needs higher pressure; now a lot of washing, rinsing and spraying operation utilize tap water with low pressure from the tap water pipe network to direct eject, as the water pressure is limited by the pressure of the pipe network, the erosion effect of ejection distance of the water jet ejected through a nozzle is limited; if the water pressure of the ejection device is improved through adopting other pressure water equipment, the investment and other problems in use are increased. The self-suction pulse water jet ejection device does not need any other external power, the energy of the water jet flown in the ejecting device is utilized, the water jet entering the ejection device can perform self suction and self-excitation vibration, the low pressure continuous water jet is changed into aeration pulse water jet; the erosion capability of the aeration pulse water jet is improved under the condition that the water pressure is not improved, the ejection distance is farther, the performance of washing, rinsing, spraying equipment is improved, and the use range of the washing, rinsing and spraying equipment is enlarged.

The invention discloses a ball type self-induction self-rotation fire extinguishing device. The ball type self-induction self-rotation fire extinguishing device comprises a ball body, and a pipe cavity and a storage cavity are separately formed in the ball body. An annular heat conducting plate is embedded at the bottom of the storage cavity, and an annular high-pressure tank is installed at the upper end of the annular heat conducting plate. A storage tank is installed in the center of the storage cavity, and the storage tank is located in the middle of the annular high-pressure tank. A plurality of pressure equalizing pipes are symmetrically arranged at the upper ends of the storage tank and the annular high-pressure tank together. The annular high-pressure tank is filled with evaporating liquid, and the storage tank is filled with metal powder. A powder discharge pipe is hermetically inserted into the storage tank, and the upper end of the powder discharge pipe extends into the pipecavity and is provided with a pressure valve. According to the ball type self-induction self-rotation fire extinguishing device, a fire can be automatically detected and extinguished through annularheat conducting sheets and the annular heat conducting plate; harmless and environmental-friendly fire extinguishing can be realized through copper powder; the ball body is made to rotate through an arc spray pipe, and the fire extinguishing range is enlarged; and fire extinguishing is more uniform through a guide cone, the fire extinguishing effect is enhanced, and reburning is prevented.

The invention discloses a cloud dust-removal device for a metal mine roadway, including a steel frame structure, ultrasonic atomization nozzles, an inclined strut, a steel bottom plate, a water drainage diverter arranged on the steel bottom plate, a precise water filtering device, an air pressure gauge and a regulating valve thereof, a water flowmeter and a regulating valve thereof, and an air exhaust diverter. The steel frame structure is fixedly connected to the steel bottom plate. One end of the inclined strut is fixedly connected with the steel frame structure, and the other end is fixedlyconnected with the steel bottom plate. The steel frame structure is a gantry frame and is made of U-shaped steel, the opening direction of the U-shaped steel is the same as the air flow direction, the ultrasonic atomization nozzles are fixed to the front side and the left side and the right side of the U-shaped steel, the spraying angle is 80 degrees, the ultrasonic atomization nozzles on the front side directly face the air flow direction for spraying, and the ultrasonic atomization nozzles on the left side and the right side are staggered. By arranging the ultrasonic atomization nozzles with the spraying angle of 80 degrees, the whole roadway section can be filled with dry fog, the contact area between the dry fog and dust particles is fully increased, the dust removal effect is good, and the service life is long.

The invention discloses a full spraying device for an environmental-friendly machine, and relates to the technical field of environmental-friendly machines. The full spraying device is mainly used forsolving the problem of insufficient spraying of existing environmental-friendly mechanical waste gas. The full spraying device comprises a box body and a spraying unit arranged in the box body. The spraying unit is arranged in the position, opposite to a pipe opening of a gas inlet pipe, in the box body. The spraying unit comprises a spraying disc, a hollow rotating shaft, a first driving mechanism for driving the hollow rotating shaft to rotate, a worm, a worm wheel and a first connecting rod. An adjusting unit is arranged at the gas inlet pipe. The adjusting unit comprises a cylinder body,a second driving mechanism for driving the cylinder body to rotate and a valve assembly. The spraying unit is arranged for rotating type spraying, the spraying is sufficient and comprehensive, the spraying disc swings up and down, and the spraying range is enlarged; and the adjusting unit is arranged and used for adjusting the gas inlet amount, the phenomenon that spraying is insufficient due to too fast gas inlet is avoided, the cylinder body rotates, the cylinder body drives the valve assembly to rotate, the waste gas forms spiral cyclone, the spraying distance is longer, the waste gas is more fully contacted with spraying liquid, and the spraying efficiency is further improved.

The invention discloses a portable water mist fire extinguisher, which comprises a nozzle (1), a switching valve (2), a pressure reducing valve (3), a shell (4) and a straw (5). The switching valve (2) is arranged at an opening on the upper part of the shell (4); the pressure reducing valve (3) is arranged on the switching valve (2); the nozzle (1) is connected with the pressure reducing valve (3); one end of the straw (5) is connected with the switching valve (2), and the other end of the straw (5) penetrates into the shell (4); and water in the shell (4) passes through the straw (5) and the switching valve (2) and enters the pressure reducing valve (3), and pressure water subjected to pressure reduction by the pressure reducing valve (3) flows out of the nozzle (1) to form water mist. The portable water mist fire extinguisher can effectively extinguish various types of fire, and has high environment compatibility, constant working pressure, high fire extinguishing efficiency, light weight and small volume.

The invention replaces a pipeline structure in a current fire monitor system by a 3CRC parallel mechanism, provides a parallel mechanism fire monitor device, thus reduces pressure loss generated by flowing through a bend, increases the fire-extinguishing fluid jet distance and height at a same inlet pressure, reduces energy consumption, and improves benefits. The invention comprises a 3CRC parallel mechanism, a water flow pipeline system, and a mobile pedestal. The main part of the 3CRC parallel mechanism comprises a parallel mechanism mobile platform [2] and a parallel mechanism fixed platform [18] which are connected by 3 side chains. The structure of each side chain is completely the same; taking one side chain for example, the side chain is started from the parallel mechanism mobile platform [2], and a cylindrical pair one [4], a connecting rod one [7], a lower connecting rod one [10], a lower cylindrical pair one [14], and the parallel mechanism fixed platform [18] are connected together; by the driving of a servo motor, relative rotation between the connecting rod one [7] and the lower connecting rod one [10] is realized; the other two side chains can realize similar motion,and the combined motion of the 3 side chains can realize the motion output function of the whole device. During application, the fire monitor mobile pedestal is moved to a proper position; a high pressure water inlet [19] is connected to a high pressure water pipe outlet of a hydrant; and a switch of the hydrant is turned on to perform fire-fighting work of the fire monitor.

The invention discloses a spraying device which comprises an axial flow fan, a spraying cylinder, a protective cover, a flow guide assembly and a spraying assembly; the spraying cylinder is connected with an air outlet of the axial flow fan; the protective cover is arranged at an air inlet of the axial flow fan; the flow guide assembly comprises a flow guide core body and a flow guide plate; the flow guide core body is fixedly arranged in the center of the spraying cylinder through the flow guide plate, and is arranged in the wind direction in the spraying cylinder; the spraying assembly comprises an outer spraying component arranged at an air outlet of the spraying cylinder and an inner spraying component arranged at the tail part of the flow guide core body; the outer spraying component is a single-ring type spraying component, a dual-ring type spraying component or a multi-ring type spraying component; and the inner spraying component adopts a single nozzle, double nozzles or a plurality of nozzles. The spraying device has the technical advantages of long spraying range and high dedusting efficiency. In addition, the invention further provides a spraying method for the spraying device, and a spraying dedusting vehicle and very-long-range spraying dedusting equipment which use the spraying device or the spraying method.

The invention relates to a marine jet flow induced draught cooling device which comprises a box body, wherein a diagonal fan is arranged in the middle of the box body, a cooling device is arranged at the position of an air inlet of the diagonal fan, and jet flow nozzles are arranged on the front side, the left side, the right side and the lower side of the portion, in front of the air outlet portion of the diagonal fan, of the box body. Due to the fact that the jet flow nozzles are arranged on the left side, the right side and the lower side of the box body, the angle can be adjusted to enable air to be fed in all directions, and the air feeding range is wide.

The invention relates to an atomization sterilization machine. The atomization sterilization machine includes a spray mechanism, a liquid replenishment tank, a fan and atomizers; and the atomization sterilization machine is characterized in that the spray mechanism includes a liquid storage part, an atomization chamber and a spray head communicating with one another, the spray head includes at least one azimuth mist outlet, the opening of the azimuth mist outlet is inclined upwards, the liquid supplement tank is connected to the liquid storage part through a liquid supplement pipeline, the fanis fixedly connected to an air inlet of the atomization chamber, a mist blocking plate extends from the lower end of the air inlet towards the interior of the atomization chamber, the mist blocking plate is inclined upward, and the atomizers are uniformly distributed at the bottom of the liquid storage part. According to the atomization sterilization machine, the wind direction is changed by themist blocking plate, and power is preferentially provided for small particles located in the upper region of the atomization chamber to obtain a longer spray distance; heights of the mist blocking plate and an atomization peak are matched, so that the atomized particles are screened, and a better mist dispersion effect is obtained; and the design of the 45 degrees elevation angle opening of the azimuth mist outlet is conducive to increasing the spray distance of the disinfection machine.

The invention discloses a large-flow compressed air and foam mixing device and relates to the technical field of compressed air and foam mixing devices. The large-flow compressed air and foam mixing device solves the problem that because existing air-liquid mixing devices are simple in structure and air and liquid cannot be fully mixed when the flow of foam-mixed liquid is increased, the foaming quality is influenced. The large-flow compressed air and foam mixing device comprises a foam-mixed liquid nozzle. The foam-mixed liquid nozzle is connected with a mixing cavity, a conical turbulence device is arranged in the mixing cavity, the tail end of the conical turbulence device is connected with a secondary turbulence device, inner wall surface bosses are arranged on the inner side of the pipe wall of the mixing cavity, the arrangement length of the inner wall surface bosses on the inner wall surface of the mixing cavity is equal to the total length of the conical turbulence device and the secondary turbulence device, and air inlet pipes are uniformly arranged on the end surface, connected with the foam-mixed liquid nozzle, of the mixing cavity.

The invention discloses an energy storage type compressed gas foam fire extinguishing device. The device comprises a pressure liquid storage tank, a foam generator and a pressure steel cylinder, wherein the pressure liquid storage tank is filled with foam fire extinguishing agent mixed liquid; a liquid inlet pipe for filling the foam fire extinguishing agent mixed liquid is arranged on the pressure liquid storage tank; compressed nitrogen or air is filled in the pressure steel cylinder; the pressure steel cylinder is connected with the pressure liquid storage tank through a gas conveying pipeline; the foam generator is arranged in the pressure liquid storage tank, and is positioned above the foam fire extinguishing agent mixed liquid; and a liquid nozzle, a gas inlet and a spoiler are arranged on the foam generator. The energy storage type compressed gas foam fire extinguishing device can greatly improve the mixing capacity of foam liquid and high-pressure gas, so that jetted foams are high in kinetic energy, the foam stability and the foam jetting strength are enhanced, and the penetrability of such low-boiling-point materials as epoxypropane to the foams in burning is effectively stopped.

The invention discloses a spraying device which comprises an axial flow fan, a spraying barrel connected with an air outlet of the axial flow fan, a protection cover arranged on an air inlet of the axial flow fan, a flow guide assembly comprising a flow guide core and a flow guide plate and an internal spraying assembly arranged at the tail end of the flow guide core. The flow guide core is fixedly arranged in the center of the spraying barrel through the flow guide plate, the flow guide core is distributed in the spraying barrel in the air direction, and the internal spraying assembly adopts a single spraying nozzle or double spraying nozzles or multiple spraying nozzles; and in addition, the spraying assembly is not arranged in the circumferential direction of the air outlet of the spraying barrel. The spraying device has the beneficial effects that the jetting distance is long, turbulent flow at a jetting final point is reasonable, the dust collection efficiency of the jetting final point position can be effectively improved, and the dust collection efficiency is improved. In addition, the invention further provides a spraying method used by the spraying device and a dust suppression vehicle comprising the above the spraying device or using the above spraying method.

The invention discloses a dust-falling spraying device for building construction. The device comprises a base and a water tank, the water tank is mounted on the outer wall of the front end of the base; a rotating seat extending upwards is arranged in the outer wall of the upper end of the base; a rear cylinder is arranged on the upper side of the rotating seat; the rear fan blades on the crankshaft are driven by a working motor in the rear cylinder to rotate quickly; meanwhile, a mounting shaft and the front fan blades are driven to rotate; then, a water pump can be used for pressurizing the water and conveying the water into an annular pipe; finally, water mist is sprayed forwards through a spray head; the front fan blades can blow the water mist farther; meanwhile, a large spraying rangeis formed through the round holes in a diffusion cylinder, sprayed water mist and dust particles in the air are combined and agglomerated, and finally fall to the ground under the action of gravity,so that the purpose of dust removal is achieved, and by additionally arranging the diffusion cylinder and the front fan blades, the range of the sprayed water mist is wider, and the distance is longer.

The invention discloses a closed discharge gap triggered by a plasma jet and an application thereof. The closed discharge gap comprises a plasma spraying unit comprising an injection device and a plasma trigger T, wherein the injection device is arranged in a contact unit, generates plasmas and ablate the ablation materials through pulse voltages and currents and generates a plasma jet by adoptinga capillary action of an elongated cavity, the injection device is connected with a plasma trigger T through the high voltage wire LA, the contact unit is arranged in the cavity unit for tolerance ofarc ablation, the cavity unit is used for providing a closed high-pressure gaseous medium environment. The closed discharge gap can ensure the reliable operation in the low work parameters, improvesthe control performances of the discharge gap, increases the work range and service life of the discharge gap, solves the problems that the arc is extinguished due to the small gap current, avoids thegap breaking, and replaces the complex and high-cost energy storage and freewheeling device.

The invention discloses an automatic rotating sprayer which comprises a stator, a rotating head rotationally connected to the stator, and at least one power slit. The rotating head is provided with a fluid cavity, at least one fluid inlet and multiple fluid outlets, wherein the fluid inlet and the fluid outlets communicate with the fluid cavity. The power slits are arranged on the rotating head and communicate with the fluid cavity, the projection line, on the longitudinal projection face, of the axis of the power slit does not coincide with the projection line, on the longitudinal projection face, of the axis in the height direction of the rotating head, so that when a solution in the fluid cavity is sprayed out from the power slit, impact force is generated on the rotating head and is then converted into torque driving the rotating head to rotate, the solution is in the shape of fog curtains when sprayed out from the power slit, the fog curtains can be better atomized under the rotation of the rotating head, and therefore the atomization effect of the sprayer is improved, and the weight of the sprayer is reduced; and meanwhile, the resistance exerted on the solution is low when the solution is sprayed out of the power slit, relatively small kinetic energy is lost, and the injection range of the atomized solution is longer.

An agricultural rotary water spray nozzle mainly comprises a water inlet pipe, a double-circle ball bearing, a water outlet spray pipe, a rotation speed adjusting device and the like. The water inlet pipe, a bearing middle cylinder inside the double-circle ball bearing and the water outlet spray pipe are sequentially connected, wherein the water outlet spray pipe is directly welded with the bearing middle cylinder, the water inlet pipe is connected with the bearing middle cylinder through a rubber ring so as to achieve the purpose of rotation without seepage, and the water outlet spray pipe stretches out obliquely and is slightly bent spatially so as to enable reaction thrust generated by water spraying to serve as power for rotation. The agricultural rotary water spray nozzle can spray water obliquely and can rotate automatically, is wide in spraying range, large in spraying area and even in wetting, and is a best drought resisting device.

The invention discloses a pressure storage type compressed gas foam extinguishing system which comprises a pressure liquid storage tank and a foam generator. The pressure liquid storage tank is filled with foam extinguishing agent mixed liquid and compressed gas. The foam generator is arranged in the pressure liquid storage tank and the foam generator is located above the foam extinguishing agent mixed liquid. A gas inflow hole, a liquid inlet and a turbulator are arranged on the foam generator. The liquid inlet is communicated with a liquid suction pipe arranged at the lower end of the foam generator. The bottom of the liquid suction pipe is located on the lower portion of the pressure liquid storage tank. A foam outlet pipe connected with the foam generator is arranged at the top end of the pressure liquid storage tank. A foam delivery pipe is arranged on one side of the pressure liquid storage tank and communicated with the foam outlet pipe. A foam gun is arranged at the tail end of the foam delivery pipe. The pressure storage type compressed gas foam extinguishing system can generate even, exquisite and stable kinetic energy foam without sucking air from the outside and is high in extinguishing speed, wide in covering range and large in jet distance.