A multiple pre-orifice apparatus for a sprayer nozzle body with an upper end connected to a liquid source, a nozzle tip releasably mounted at a lower end thereof, and a channel between the upper and lower ends of the nozzle body. The apparatus comprises a sleeve assembly comprising a sleeve closed at an upper portion thereof by a top orifice plate defining a top orifice, and closed at a lower portion thereof by a bottom orifice plate defining a bottom orifice such that a sleeve turbulence chamber is formed between the top and bottom orifice plates. The sleeve assembly is secured in the channel such that a nozzle turbulence chamber is formed between the bottom orifice plate and the nozzle tip. The area of the flow opening in the nozzle tip is greater than the area of the top orifice which is greater than the area of the bottom orifice.

The present invention is provided with a shower head with waterfall function, comprising a shell body, the interior of the shell body is disposed with a waterfall waterway, wherein the shell body is further disposed with a rectifying passage, one end of the rectifying passage is disposed with an inlet, the inlet is connected to the waterfall waterway, the other end of the rectifying passage is disposed with an elongated outlet nozzle, the distance of each point of the outlet nozzle to the inlet are basically equal. The distance of each point of the outlet nozzle to the inlet are basically equal, water flowing out of the each point of the outlet nozzle has equal flow rate, efficiently delaying the converge of the water and thus lengthening the water curtain.

A desuperheater includes a ring body defining an axial flow path and one or more spray nozzle assemblies around the ring body. Each spray nozzle assembly is connected to a separate water manifold and steam manifold to provide cooling water and atomizing steam through the spray nozzle assemblies. A nozzle sleeve of each spray nozzle assembly has a solid, unitary body having first, second, and third fluid passages formed through the body. The first fluid passage is in fluid communication with the water manifold and with a first exit aperture formed in a second end of the body. The second fluid passage is in fluid communication with the steam manifold and with a second exit aperture formed in the second end of the body. The third fluid passage is in fluid communication with the steam manifold and with a third exit aperture formed in the second end of the body. The second and third exit apertures are positioned on opposite sides of the first exit aperture.

A foam generating device for a high-pressure water gun has a supporting body defining part of a conduit, which extends along an axis and has a mixing chamber communicating with a lower inlet, and subject, in use, to a vacuum to aspirate a liquid from said lower inlet; the device has a first sleeve which is fitted around one end of the supporting body, is axially fixed, is rotatable and is provided with an end portion carrying a nozzle; such a nozzle defines the outlet of the conduit and is adjustable so as to vary the outgoing flow type between a fan-like jet and a solid stream jet; the device has, in addition, a second sleeve which is coupled to the first sleeve in a fixed axial position and in a rotatable manner and is provided with cams to adjust the nozzle in response to a rotation of the second sleeve with respect to the first sleeve.

A nozzle with lateral spray includes a longitudinal bore with an open first end at a proximal end of the body of the nozzle and a dead second end in a distal portion of the body of the nozzle; a recess defined within a lateral wall of the body of the nozzle, which has a bottom and side walls extending perpendicularly to the longitudinal axis of the body; and a lateral bore that fluidly connects the longitudinal bore to an opening in the recess and has a diameter smaller than the diameter of the longitudinal bore. A nozzle according to the invention provides a lateral spray that is stronger and better focused than nozzles according to the prior art.

Disclosed is an ultrasonic spray coating system wherein (1) the surface of the feed blade of the ultrasonic spray head has been modified to add a series shallow channels to redirect the ultrasonic surface wave system that exists on the surface; (2) the internal passageway of the liquid applicator has been modified to add a series of channels to uniformly feed the liquid from the liquid applicator to the spray-forming tip; (3) a positive displacement pump is utilized to deliver the liquid to the spray head at a precise flow rate independent of the associated resistances of the liquid delivery system components; and (4) the gas entrainment system has been improved so as to expand the ultrasonically produced spray uniformly and without pulsations.

A set of nozzles for a spray gun, especially a compressed-air paint spray gun, comprises at least one nozzle module group with at least two different nozzle modules for mounting in or on the same base module of a spray gun. The nozzle modules have different medium flow rates under the same spray conditions, the spray jets generated by the nozzle modules having substantially the same spray jet section height and the same spray jet section width, the spray jet sections of the different nozzle modules in particular being congruent. A spray gun system, a method for embodying a nozzle module, a method for selecting a nozzle module from a set of nozzles for a paint job, a selection system, in particular a “slide gate system”, and a computer program product are also disclosed. The user can select the nozzle module which is ideal for the paint job and mode of operation in question.

A nozzle member (14) of a personal care device (10) comprising: a nozzle head (16) positioned at an end of the nozzle member; and an orifice (40) formed in a surface (30) of the nozzle head, wherein the orifice comprises at least one liquid jet orifice (42) configured to allow the liquid and/or air to exit the nozzle head in the form of a jet, and at least one liquid sheet orifice (40a-d) configured to allow the liquid and/or air to exit the nozzle head in the form of a sheet.

The present application discloses a water spraying pipe and a cleaning apparatus. The water spaying pipe includes a pipe body having a water inlet end and defining a water spraying hole in a pipe wall thereof; and a water spraying groove defined in the water spraying pipe at a position corresponding to the water spraying hole. The water spraying hole is in communication with the water spraying groove, and a diameter of the water spraying hole is greater than a width of the water spraying groove. The present application effectively improves the cleaning efficiency of the water spraying pipe.

The present disclosure discloses a method for finely processing a nonmetallic material, including: crushing a nonmetallic mineral to obtain a nonmetallic block, drying at ambient temperature, coarsely grinding the dried nonmetallic block to obtain coarsely ground particles, subjecting the coarsely ground particles to a second grinding, and then ball milling in a ball mill, drying and sieving to obtain a powder with various particle sizes; classifying and marking the powder to determine the grade and corresponding use of the powder; modifying the nonmetallic mineral powder in a modification device, grinding by a drum ultra-fine vibration mill to obtain a modified powder; calcining the modified powder, then cooling at ambient temperature, mixing with a strong alkali solution to react in a water bath; adding an excessive hydrochloric acid solution, and filtering, washing and drying the resulting filter cake to obtain a product.