Abstract: What is disclosed is a self contained, cordless, handheld spray gun. The spray gun comprises a fluid container in intercommunication with at least one fluid nozzle orifice and a source of pressurized gas in intercommunication with at least one gas nozzle orifice and one fan nozzle orifice. The spray gun is actuated by pulling a trigger that actuates the gas flow to the nozzle and further actuation of which opens at least one valve so that the fluid, such as paint, primer, stain, varnish, sealant or the like, can flow to a fluid chamber, atomized, and sprayed through a fluid nozzle orifice out onto the article to be painted.

Abstract: A humidifier includes a humidifier tub including an air inlet and an air outlet. The air outlet may have an exit port positioned in a plane disposed below the air inlet. A base plate is provided to the bottom of the humidifier tub. The base plate and humidifier tub define a water chamber adapted to receive a volume of water. The humidifier tub may include a guidance structure adapted to direct air entering the humidifier tub via the air inlet to swirl downwardly and around within the humidifier tub reaching the water surface before exiting the exit port. The tub may include a structure to prevent the inadvertent entry of water from the tub to the flow generator.

Abstract: The present disclosure generally relates to a nozzle or tip for a fluid delivery system, and more specifically, but not by limitation, to a nozzle for a texture sprayer. In one exemplary embodiment, a texture spraying system is provided and includes a spraying device, an air source configured to provide pressurized air to the spraying device, and a texture material source configured to provide texture material to the spraying device. The system also includes a nozzle mounted proximate an output of the spraying device. The nozzle receives a flow of air and a flow of texture material. The nozzle includes a pin positioned in the airflow and is configured to produce a spray pattern that is substantially rectangular.

Abstract: A portable spray apparatus (1) is provided to selectively discharge liquid spray medium and solid dust medium with a blower airflow (7) generated by a blower (6). An adaptor (8) is provided which has at least a channel section (9) of a liquids channel (10) for the liquid spray medium and a channel section (11) of a solids channel (12) for the solid dust medium. The adaptor (8) is releasably connected to a supply vessel (4). The liquids channel (10) and the solids channel (12) open into the blower airflow (7). Various built-in positions of the supply vessel (4) and of the adaptor (8) are freely selectable relative to each other and to the blower unit (3) by the operator. In one built-in position, the liquids channel (10) is connected via its channel section (9) to an interior space (13) of the supply vessel (4) and, in another built-in position, the solids channel (12) is connected to this interior space (13) via the channel section (11) thereof.

Abstract: The present invention teaches a car wash wand having a fan mounted thereon which allows the wash wand user to blow the vehicle dry using the same lightweight hand carried device used to wash the car. The fan may be powered by the pressurized water flowing through the wash wand, which may be diverted to a turbine chamber to power the turbine, which in turn provides mechanical power to turn the fan. The wash wand may also have selection devices allowing at least two modes of operation: water coming out versus air coming out, and optionally a third mode of operation in which nothing comes out.

Abstract: The invention relates to a cleaning lance with a nozzle tube (1), on whose outlet-side end there is a discharge nozzle (2), which can be switched by means of a switching mechanism between a high-pressure position and a low-pressure position. In order to be able to perform both the foam application and also the high-pressure wash with such a cleaning lance, without requiring manual switching of the operating function on the cleaning lance itself, it is provided that the nozzle tube (1) has an air inlet (3), which can be closed with a valve (4), wherein the valve function is coupled to the switching mechanism of the discharge nozzle (2), such that the valve (4) closes the air inlet (3) when the discharge nozzle (2) switches from its low-pressure position into its high-pressure position.

Abstract: A sprayer is capable of inhibiting or preventing clogging occurring in a nozzle upon ejection of a liquid through the nozzle. A sprayer includes liquid supply for separately supplying a first liquid and a second liquid different in liquid composition, and a nozzle. The nozzle includes a first flow path and a second flow path along which passes the first liquid and the second liquid supplied from the liquid supply. In addition, the nozzle includes a third flow path along which passes a gas. A merge part is provided at which the first flow path and the second flow path merge at their respective halfway parts. A vent is provided at the merge part for allowing the gas which has passed through the third flow path to flow into the merge part.

Abstract: The invention relates to a gravity cup for a paint spray gun. The gravity cup includes a reservoir (1) and a lid (2) that is placed thereon and that has a connecting part (3) so that the gravity cup can be placed on the paint spray gun or an adapter. The reservoir (1) is provided, in a wall (4) thereof, with a ventilation hole (6) that can be obturated by means of a valve (5). The aim of the invention is to provide a gravity cup that comprises a valve that can be easily actuated by hand so as to obturate the ventilation hole. For this purpose, the valve (5) is configured as a sliding valve comprising a valve housing (7) and a slide (8) that can be displaced in relation to the valve housing (7) in a direction of displacement (V) extending parallel to the wall (4).

Abstract: A device for the pulmonary delivery of a compound comprising a reservoir for storing a compound, a system for generating particles of a desired size, and a housing comprising an inlet and an outlet between which is formed a substantially unobstructed airflow path.

Abstract: The present invention is generally directed to various structures for applying a sealant to a work surface. In one aspect of the invention, a sealant applicator assembly is provided for use with an apparatus of the type having an elongated body defining an interior bore and having a piston movably positioned in the bore and a pusher member operatively associated with the piston. The assembly comprises a spray adaptor adapted to communicate with the bore of the body and defining a distal outlet. A first gas passageway is cooperatively associated with the distal outlet and configured to direct gas to create a spray discharge of the sealant. An actuating member is adapted to be cooperative associated with a pusher member to eject sealant through the distal outlet and is operative to simultaneously actuate a supply of gas to the first gas passageway for creating a spray discharge of sealant.

Abstract: An electrically-powered fluid sprayer employs a piezoelectric fluid pump that includes an inlet port, an outlet port, a pump chamber, and a piezoelectric element that is deformed and displaced by electrical signals supplied thereto to vary the volume of the pump chamber. Such displacement pumps fluid into the inlet port and into the pump chamber and discharges fluid from the pump chamber out the outlet port. The inlet port is in fluid communication with a fluid reservoir. Spin mechanics may be disposed downstream from the outlet port of the fluid pump and upstream from the discharge nozzle. The piezoelectric fluid sprayer may be extended to include a dual chamber piezoelectric pump that pumps different fluids (e.g., a liquid and air). The output of the dual chamber pump is mixed in a manifold and supplied downstream to the discharge nozzle. Spin mechanics may be employed in the fluid stream upstream from the discharge nozzle after the mixing.

Abstract: A foam-dispensing faucet for dispensing a quantity of foam soap and separately dispensing a flow of water according to one embodiment of the present invention includes a faucet body having a dispensing opening, water supply means integrated into the faucet body for delivering water to the foam-dispensing faucet, liquid soap means integrated into the faucet body for delivering liquid soap to the foam-dispensing faucet, air supply means integrated into the faucet body for delivering air to the foam-dispensing faucet, the interior of the faucet body being configured for processing liquid soap from the liquid soap means and air from the air supply means into a foam soap, and control means for timing and sequencing the dispensing of water and foam soap from the foam-dispensing faucet.

Abstract: The invention relates to a mixing chamber for producing compressed air foam in fire extinguishing devices. The mixing chamber has a compressed air inlet, an extinguishing agent inlet and a compressed air foam outlet. The contour of the mixing chamber tapers towards the compressed air foam outlet. The invention also includes a fire extinguishing device. The fire extinguishing device includes an extinguishing agent container, a connecting device for connecting a source of compressed air to a mixing chamber of the kind described above.

Abstract: Purge arrangement for powder coating system includes a gun manifold (40) that is selectively assembled for fluid communication with either a purge manifold (36) or a hopper manifold (34). This allows purging of multiple hoses and guns at the same time and simplified color change operations.

Abstract: A vessel for fluidizing bulk pulverulent material to render the pulverulent material flowable for removal from the vessel includes first, second, third and fourth ports. The first port is provided for entry of a fluidizing gas or mixture of gases to the vessel. The second port controls a first stream of fluidizing gas or mixture of gases escaping from the vessel at a relatively constant rate to promote the fluidization of bulk pulverulent material introduced into the vessel. The third port is selectively controlled to vary the rate of escape of a second stream of fluidizing gas or mixture of gases. The fluidized pulverulent material is withdrawn from the vessel through the fourth port at a rate in opposition to the rate of escape of the second stream of fluidizing gas or mixture of gases.

Abstract: A method for forming a barrier to seal off a remote chamber includes the steps of: forming a borehole that communicates between a first location and the remote chamber; inserting a conduit through the borehole to extend into the remote chamber; introducing a flowable material through the conduit to the remote chamber and dispensing the flowable material from the conduit to the desired location for the barrier, the flowable material upon being dispensed producing a substantially solid, self-sustaining composition; maintaining dispensing the flowable material to produce a sufficient quantity of the self-sustaining composition to form the barrier to seal the remote chamber, while ensuring that the composition does not block the borehole from communicating between the first location and the remote chamber; and thereafter removing the conduit to allow access to the borehole.

Abstract: A method and apparatus for transporting paint powder between first and second locations with at least one positive pressure air flow. One or more positive pressure air flows can transfer paint powder from a tote to a first hopper, from a virgin hopper to one or more mix hoppers, from a reclaim hopper to one or more mix hoppers, from one of the mix hoppers through one or more multidirectional valves to one or more final feed hoppers and/or positive pressure air flow final feed powder pumps located in a first position, and from one of the mix hoppers through one or more multidirectional valves to one or more final feed hoppers and/or positive pressure air flow final feed powder pumps located in a second position.

Abstract: A micro-nozzle for generating micro-bubbles. The micro-nozzle includes a liquid inlet forming a liquid path, a gas inlet, and a constricting wall positioned in the liquid path and shaped to abruptly constrict said liquid path to a width of less than approximately 20 um and then gradually diverge.

Abstract: A portable misting device having a body with an internal and fluid holding reservoir. A fill port provides for refilling of the fluid holding reservoir and one or more discharge ports are in fluidic communication with the reservoir. A fluid conveying conduit extends from the discharge port and terminates in an orifice. The orifice typically includes both spray misting and drinking components.

Abstract: An electrically-powered fluid sprayer employs a piezoelectric fluid pump that includes an inlet port, an outlet port, a pump chamber, and a piezoelectric element that is deformed and displaced by electrical signals supplied thereto to vary the volume of the pump chamber. Such displacement pumps fluid into the inlet port and into the pump chamber and discharges fluid from the pump chamber out the outlet port. The inlet port is in fluid-communication with a fluid reservoir. Spin mechanics may be disposed downstream from the outlet port of the fluid pump and upstream from the discharge nozzle. The piezoelectric fluid sprayer may be extended to include a dual chamber piezoelectric pump that pumps different fluids (e.g., a liquid and air). The output of the dual chamber pump is mixed in a manifold and supplied downstream to the discharge nozzle. Spin mechanics may be employed in the fluid stream upstream from the discharge nozzle after the mixing.

Abstract: A mobile, real-time, closed-loop system for delivering an aerosol spray to a treatment area during a treatment period of time employs a prime mover having a spray nozzle through which an air volume is produced in order to entrain a liquid as particles in an airstream passing out of the nozzle. A particle size detector, weather centers and an electronic controller are used to regulate the amount of insecticide and particle size dependent upon speed of the prime mover and weather conditions at the treatment area.

Abstract: Systems and methods for high volume, low pressure foam generation are provided that have a wide range of applications, particularly in fire fighting and fire prevention fields. The foam may be effectively delivered to targets that have heretofore been difficult, if not impossible, to reach in a timely, cost effective and/or efficacious manner. Nozzles and nozzle-containing systems are provided for combining water, injected foam and air to generate and/or deliver high volume, low pressure foam. The foam generation systems may be part of portable units that may be worn or otherwise supported by a user (e.g., a back pack), manually transported (e.g., a push cart), or transported with power-assistance (e.g., a power-assist cart). The systems may also be vehicle-mounted. Exemplary nozzle systems include a diffuser unit that facilitates aeration of the water and foam mixture that is fed to the nozzle system.

Abstract: In a treatment liquid supply system that supplies treatment liquid used for coating industrial objects for film formation including a semiconductor substrate, a display substrate, a glass and the like, a nozzle connected to a treatment liquid tank vacuum-sucks and injects the treatment liquid from the treatment liquid tank due to a negative pressure occurring in the nozzle, wherein supply control of a small flow amount of the treatment liquid to the nozzle can be performed due to a difference pressure between pressure in the treatment liquid tank and the negative pressure occurring in the nozzle.

Abstract: An apparatus, method and system for applying a biologically active or chemical substance to a relatively large volume harvested or pre-harvested crop includes relatively small container of a mixture biologically active or chemical substance and water in fluid communication with fluid conduit. A pump moves mixture from the bottle through the conduit. A source of pressurized air is in fluid communication with the conduit to aerate the mixture. The aerated mixture is expelled through a nozzle at distal end of the conduit. In one aspect, the controller can monitor speed of the pump by monitoring operating voltage of the pump. Speed of the pump can be adjusted to adjust application rate. In one aspect, a process combines a flow of air through an orifice with the metering of a low volume of additive, such as an aid to preservation, to a crop as it is being cut or harvested to provide for even distribution of the additive to the crop.

Abstract: A liquid dispensing device for dispensing a liquid into the surrounding atmosphere employs a forced airflow through a small cross-section outlet nozzle (48) to draw the liquid from an adjacent exit nozzle (50) into the airflow. The air outlet nozzle preferably has a cross-section less than that of the liquid exit nozzle. The liquid exit nozzle may partially overlie the airflow path from the air outlet nozzle. The nozzle may be formed in or carried by a unit (24) having sealed connections with the airflow source (16) and a container holding the liquid.

Abstract: Disclosed is a personal fan assembly comprising a spray bottle body for storing a liquid and having a nozzle for dispensing the liquid on demand in the form of a spray; and a fan unit releasably attachable to said spray bottle body. The fan unit includes an impeller to create an air stream, and the nozzle is located downstream of the impeller and to one side thereof out of the air stream. The nozzle is oriented at an angle to the air stream so as to direct the spray into the air stream at an angle. The spray bottle body may be in the shape of a U, with the opening in the horseshoe adapted to releasably receive the fan unit. Alternatively, the spray bottle body may be in the form of a water pitcher and the fan unit is mountable in a cylindrical housing within the spray bottle body.

Abstract: An apparatus is provided for spraying an atomized liquid, which includes a hollow casing including an inlet and an outlet. The inlet is adapted to receive an airflow. The outlet includes a nozzle having an aperture. The apparatus also includes a liquid cartridge associated with the hollow casing and a tube with a tip and a source end attached to the liquid cartridge. The tip of the tube is positioned in a region on a side of the nozzle outside of an interior of the hollow casing and the tube is adapted to draw a liquid out of the liquid cartridge. A method is provided for producing an airbrush, which includes providing two halves of an outlet end of a hollow casing and providing an inlet end of the hollow casing. The method further includes providing a liquid cartridge including anchors for attaching the liquid cartridge to the two halves of the outlet end and providing a nozzle insert adapted to fit between the two halves of the outlet end near an outlet.

Abstract: The present invention refers to an information-displaying unit (1) which has a body of a determined geometrical shape internally with an illumination system having in the narrower portions thereof (12) an arrangement for installation of water atomizing nozzles of a body climatization system, and a pedestal (14) to house the components of said system. The right side portion (10) and the left side portion (10?) of the information-displaying unit (1) have an arrangement for installation of an information-displaying device (11).

Abstract: A chemical sprayer system includes a three-way valve that includes an inlet port coupled to a fluid source, a first outlet port in fluid communication with a first elongated fluid passage, a second outlet port in fluid communication with a second elongated fluid passage, and a control. The control allows a user to place the three-way valve into one of a first ON state in which the first outlet port is in fluid communication with the inlet port, a second ON state in which the second outlet port is in fluid communication with the inlet port, and an OFF state in which substantially no fluid is allowed to exit the inlet port. The first elongated fluid passage terminates in a nozzle adapted for spraying foam. The second elongated fluid passage terminates in a nozzle adapted for spraying liquids.

Abstract: An airbrush as used for a media delivery system comprises an air pressurizer, a power source and a media reservoir integrated into a single hand held device. The air pressurizer comprises a pump and motor assembly delivering pressurized air by way of first and second air conduits to a nozzle. The media is stored in a detachable reservoir housed within the device and provided with a liquid conduit for conducting the media to the nozzle. Upon actuation of a spray button, the pump and motor assembly causes a stream of air to flow through the first and second air conduits and past an opening in the media conduit. Thus, a negative pressure is induced into the media conduit. The negative pressure draws liquid from the reservoir through the media conduit where it is entrained within the air stream as minute droplets and exits the body of the airbrush through a nozzle.

Abstract: A method of fire extinguishment with a gas, characterized by extinguishing a fire by ejecting at least one gaseous fire-extinguishing agent selected from the group consisting of argon, nitrogen, and carbon dioxide using a foam, powder, or water as a carrier.

Abstract: A fluid dispensing device configured as a brush is provided. The device includes a hollow barrel having a plurality of bristles disposed along its surface and a plurality of openings in fluid communication with a chamber defined therein. The barrel is engaged to a hollow handle defining a chamber configured to contain an enclosed pressurized fluid reservoir containing a quantity of fluid. A user switch disposed along a surface of the device helps to discharge a volume of pressure from the fluid reservoir to thereby discharge a volume of fluid. The brush dispenses the volume of discharged fluid through the plurality of openings as a fluid spray or a fluid mist. In one embodiment according to the invention, the device permits a user to apply and to distribute a fluid through their hair, while the user brushes and/or styles their hair with the device.

Abstract: A spray misting system for use with headwear having a front and rear, including an integrated reservoir and pump which contains a quantity of water, and a forward misting nozzle. The forward misting head is provided at the front of the headwear forwardly of the user to direct a fine, cooling, spray mist toward the user. A conduit connects the water reservoir with the forward misting nozzle, and a flow control valve allows the user to control the flow of water through the conduit. When desired the user operates a handle on the integrated reservoir and pump to initiate flow through the conduit to create a misting spray at the forward misting head which is directed toward the face and forehead of the user to effect cooling of the user.

Abstract: A mobile, real-time, closed-loop system and method for delivering an aerosol insecticide spray to a treatment area during a treatment period of time employs a prime mover having a spray nozzle through which an air volume is produced in order to entrain insecticide as particles in an airstream passing out of the nozzle. A particle size detector, weather centers and an electronic controller are used to regulate the amount of insecticide and particle size dependent upon speed of the prime mover and weather conditions at the treatment area.

Abstract: A low-flow-rate sprayer assembly is provided, wherein additive from a container is entrained in a stream of carrier fluid passing through a venturi. The pressures created by flow through the venturi actuate a release valve on the container and entrain the additive in the carrier fluid.

Abstract: A method and apparatus are provided for pneumatically controlling the operation of a water cannon such that the need for electrically power in the immediate vicinity of the water cannon is substantially avoided.

Abstract: A mobile, real-time, closed-loop system for delivering an aerosol spray to a treatment area during a treatment period of time employs a prime mover having a spray nozzle through which an air volume is produced in order to entrain a liquid as particles in an airstream passing out of the nozzle. A particle size detector, weather centers and an electronic controller are used to regulate the amount of insecticide and particle size dependent upon speed of the prime mover and weather conditions at the treatment area.

Abstract: A mobile, real-time, closed-loop system and method for delivering an aerosol insecticide spray to a treatment area during a treatment period of time employs a prime mover having a spray nozzle through which an air volume is produced in order to entrain insecticide as particles in an airstream passing out of the nozzle. A particle size detector, weather centers and an electronic controller are used to regulate the amount of insecticide and particle size dependent upon speed of the prime mover and weather conditions at the treatment area.

Abstract: An apparatus for delivering a spray of cooling liquid to opposed shear blades of an apparatus for shearing a stream of molten glass into gobs, the apparatus having liquid outlets (24, 26) that lead to spray nozzles. A liquid is intermittently delivered at a low pressure to the liquid outlets (24, 26) from separate liquid inlets (20, 22, respectively), each of the outlets (24, 26) having a solenoid valve (28, 30, respectively), in a line leading thereto. The nozzles that receive liquid from the outlets (24, 26) are periodically purged of accumulated coagulated coolant or other debris by pumping coolant therethrough at a substantially higher pressure.

Abstract: A fire-extinguishing device (10) that is disclosed in three embodiments. All three embodiments utilize a water-spraying unit (12), a water hose (20) and a water-delivering tube (28). When the device (10) is attached to a pressurized water source (150) a water spray can be directed into a burning area. The first embodiment of the device (10) utilize a triangular water-delivering tube (28) that when attached to an elongated water supply tube (64) functions as a battering ram for penetrating a building structure. The second embodiment consists of an elongated water-delivering tube (28) having a lower section (36) that has attached a support structure (94) that is angled to substantially fit over a gabled roof. The third embodiment is also comprised of an elongated water-delivering tube (28) that is attached to a side of a fire truck (160). When the truck (160) is parked alongside a burning structure a water spray is produced that is directed into a burning area.

Abstract: A paint system including at least one spray gun located, a paint line changing assembly and a plurality of differently colored paint sources. The paint line changing assembly is configured to selectively connect the at least one spray gun with one of the plurality of differently colored paint sources. The paint system further includes a controller for maintaining at least one of the plurality of differently colored paint sources in a partially fluidized state when not connected to the at least one spray gun and for maintaining the one of the plurality of differently colored paint sources in an operative fluidized state when connected to the at least one spray gun.

Abstract: A sparing device comprising of a liquid storage tank (22) for storing liquid (21) and a spraying mechanism (24) for spraying the liquid from the liquid storage tank (22) through a nozzle (23). Said spraying member further includes a trigger member (26) rotatingly fixed to a free axle, a first liquid pipe (29) which is provided with a suction valve (30) and exhaust valve (32) which is activated by the movements of the trigger member (26) and the piston (28), a pressure accumulator (31) which is supported by a spring member (34), a second liquid pipe (37), a third liquid pipe (38) wherein one end of the third liquid pipe is connected to the liquid storage tank and the other end is branched to the second liquid pipe and a seesaw button (40) to seal and seal the liquid passage way in the second and third liquid pipes alternatively to allow the liquid to flow through.

Abstract: A powder spray system comprises a plurality of supply hoppers, a purge air supply, a manifold operably connected to each of the plurality of supply hoppers, and a spray gun. The manifold comprises a plurality of outlets. The spray gun is operable in a plurality of spraying configurations and a purging configuration. The spray gun is selectively, removably connected to at least one of the outlets when in one of the plurality of the spraying configurations and is removably connected to the purge air supply when in the purging configuration. A method of operating a powder spray system also is provided.

Abstract: The present invention provides an improved abrasive delivery system for delivering an abrasive material to a waterjet cutting nozzle which has no external pressure effects on the orifice metering the flow of abrasive material from a container for the material by using air pressure to transport the abrasive material to the cutting nozzle through a standard metering orifice where equal pressure is maintained above and below the orifice to provide a constant volume of abrasive material flow to the cutting nozzle which is located up to 100 feet or more from the metering device.

Abstract: A mobile, real-time, closed-loop system and method for delivering an aerosol insecticide spray to a treatment area during a treatment period of time employs a prime mover having a spray nozzle through which an air volume is produced in order to entrain insecticide as particles in an airstream passing out of the nozzle. A particle size detector, weather centers and an electronic controller are used to regulate the amount of insecticide and particle size dependent upon speed of the prime mover and weather conditions at the treatment area.

Abstract: A device for generating a pressurized stream of treating media including a vessel (4) containing the treating media (6), a pressurized fluid delivery assembly (16) for delivering a pressurized fluid to the vessel (4) and a conduit (14) for transporting the treating media (6) out of the vessel (4) which has been pressurized through the pressurized fluid.

Abstract: The foam marking device of the present invention includes a solution tank with a tube extending upwardly therein. An air line extends from an air pump and into the tank so as to provide air into the tube. The air passes through a porous element so as to create air bubbles. The tube includes an elongated slot that allows foam solution within the tank to enter the tube. The air bubbles generate foam within the upper end of the tube. The foam passes through a homogenizer at the upper end of the tube and then into a foam line for discharge onto the ground. The slot serves dual functions, by allowing solution in the tank to enter the tube and by allowing foam within the tube to enter the tank when the pressure in the foam discharge line exceeds the pressure within the tube.

Abstract: An oil mist discharger (1) is disclosed. The oil mist discharger (1) utilizes a flow regulator (27) which comprises a main passage (28), sub-passages (29) and an agitation chamber (30). Differential pressure between air and oil is created and utilized in drawing oil into an oil feed chamber (39) to be mixed with air. The oil-containing air is sent to the flow regulator (27) and fed into the agitation chamber (30) via the main passage (28) and sub-passages (29) in jet streams to be transformed into a well blended oil mist, which is discharged from a discharge nozzle.

Abstract: A system for treating waste water includes a dry-feed hopper and a wetting flume for receipt of dry flocculant and waste water. The dry-feed hopper includes a container with a volume of dry flocculant therein. A manifold receives a nozzle connected to an air source to periodically deliver dry flocculant to the wetting flume. An inline static mixer is provided after the wetting flume. The output of the inline static mixer is introduced into an agitation stage via a constricting nozzle which includes a base support and a cylindrical housing with an outer wall and an, inner wall and is resiliently mounted to the top surface of said base support. A downward spiraling length of corrugated hose is positioned between the outer wall and the inner wall. Waste water from the inline static mixer is introducing into the top entry port of the length of corrugated hose to exit at the bottom exit port of the corrugated hose.

Abstract: A method and apparatus are provided for pneumatically controlling the operation of a water cannon such that the need for electrically power in the immediate vicinity of the water cannon is substantially avoided.