A material distributing and mixing apparatus. A conduit having a fluid inlet and fluid outlet houses a mixing element The mixing element includes rectangular segments forming forward facing V-sections and rearward facing V-sections. The forward facing V-sections form vertical apexes that face an incoming fluid stream while additive inlet ports are positioned proximate thereto. The forward facing V-sections are positioned proximate to the top and bottom surfaces of the conduit while the rearward facing V-sections form apexes which are substantially horizontal, the rearward facing V-sections being positioned proximate the vertically extending side walls of the conduit.

A multi-lumen mixing device is described. The multi-lumen mixing device includes a mixer body having an inlet portion and an outlet portion. The multi-lumen mixing device also includes an array of capillary channels within the mixer body, in which each capillary channel has approximately a same length. An inlet for each of the capillaries is proximate to the inlet portion and an outlet for each of the capillaries is proximate to the outlet portion. The array of capillary channels has at least three different cross-sectional areas.

An injector mixer arrangement (10) for supplying a reducing agent in gaseous form into a flue gas flowing in a gas duct (14) communicating with a catalyst (18a) in a selective catalytic reduction (SCR) reactor (12) arranged downstream of said injector mixer arrangement (10). The injector mixer arrangement (10) comprises an injector grid (22) equipped with a plurality of nozzles (30) arranged horizontally within the gas duct (14). The nozzles (30) are adapted to supply said reducing agent to the gas duct (14). The injector mixer arrangement (10) further comprises first stage mixer plates (24) and second stage mixer plates (26) arranged in the gas duct (14) downstream of said nozzles (30) and upstream of SCR reactor 12.

The present disclosure relates to a dissolved air flotation system using ambient air, and more particularly, to a dissolved air flotation system that is capable of allowing ambient air to be introduced in front of a pump to generate micro air bubbles with the water discharged from the pump, so that the ambient air may be used instead of compressed air.

A system for desalting a crude oil stream includes vessel that has an interior piping structure that releases wash water into a crude oil flow within the vessel. The piping structure, which may have more than one level, has a plurality of spray nozzles for dispersing or releasing the wash water into the flowing crude oil stream. The spray nozzles may be located on a same side or opposite sides of the piping structure. Where multiple levels are used, the number of spray nozzles on each level may be the same as or different than the number of spray nozzles on other levels. The pressure drop through each spray nozzle is preferably no greater than 300 psi and the nozzles preferably deliver a dilution water droplet preferably no larger than 300 microns in diameter. A mixing valve, static mixer, or both can be placed downstream of the vessel.

A gas mixing device capable of safely mixing flammable gas containing, for example, methane or the like and combustion supporting gas such as oxygen-containing gas, and a synthesis gas producing device using this gas mixing device. Flammable gas containing methane or the like and combustion supporting gas such as oxygen-containing gas are supplied into a mixing vessel via a first gas supplying section and a second gas supplying section respectively, and these gases are mixed within a combustion range in the vessel to be discharged via a discharge section. In the mixing vessel, packings for forming a large number of narrow gas flow passages in the vessel are packed so that velocity of the mixed gas flowing in the vessel becomes higher than burning velocity of the flammable gas and the combustion supporting gas.

A fluid distributor is provided for distributing a fluid in an up-flow reactor. The fluid distributor includes a supply pipe and a plurality of fluid distribution arms that extend from the supply pipe. Each of the fluid distribution arms has a plurality of holes for discharging the fluid. An elongated hood is spaced from and at least partially surrounds each of the fluid distribution arms to redirect the fluid when discharged from the plurality of holes in the fluid distribution arms. Each hood has a plurality of holes for allowing the passage of the fluid through the hood. Each of the hoods is formed from a plurality of hood segments that positioned end to end along a length of the fluid distribution arm and have deflectors to impede the fluid from flowing between adjacent ones of the hood segments.

Multi Fluid Injection Mixer for injecting gas and/or liquid as admixture fluid to gas and/or liquid flowing through a pipe, and homogeneously mixing the admixture fluids and pipe fluids, said injection mixer constituting a section of the pipe, distinguished in that the injection mixer is comprising: at least one contacting element having at least one contacting surface facing and deflecting some of the pipe fluid flow, forming a constriction to the internal cross-section of the pipe, such that the pipe fluid flow is accelerated and fluid flowing in the vicinity of said surface is deflected to flow along the surface until the surface end over a sharp edge at the point of maximum constriction and flow velocity, at least one injection element arranged with a fluid connection to said surface of the contacting element, such that admixture fluid can be injected onto said surface and along said surface be entrained by the flowing pipe fluid over the sharp edge, but for a contacting element formed as a contracting pipe section at least two injection elements are provided.

A static mixer is described in which rows of mixing plates are used in a combination with nozzles that are located with respect to the mixing plates in a manner that is designed to produce a high level of mixing without significantly impeding the flow of flue gas passing through the rows of mixer plates. In various embodiments, the static mixer includes rows of tilted plates, and the injection lance nozzles are positioned to align with row boundaries corresponding to the boundaries between consecutive rows of mixing plates. In some embodiments, there are N rows of mixing plates and N-1 rows of nozzles. In some embodiments the nozzles are positioned to coincide with the boundaries between rows. The mixer assembly including injection nozzles and/or lances can be implemented in a relatively compact manner allowing for it to be placed in a shorter length of flue than many other mixer assemblies.

The present invention relates to a flue ozone distributor applied in a low-temperature oxidation denitrification technology and an arrangement manner thereof. The flue ozone distributor comprises a distribution main pipe, multiple distribution branch pipes, multiple Venturi distributors and multiple delta wings. The multiple distribution branch pipes are led out from the distribution main pipe as parallel branches. The multiple Venturi distributors are arranged with an equal space on the distribution branch pipes. The delta wings are arranged on one diffusion segment side of the Venturi distributors. The flue ozone distributor is arranged in the flue. The present invention is mainly applied in a field of denitrification for flue gas of an industrial boiler/kiln by a low-temperature ozone oxidation method in industries such as pyroelectricity, steel and the like. The ozone-injecting direction is consistent with a flow direction of the flue gas. A soot deposit congestion problem does not exist. A turbulent flow behavior of the flue gas and ozone is especially strengthened. The oxidation efficiency is improved. A flue distance of a valid reaction is shortened. An application advantage in an actual project is very obvious.