Abstract: An adjustable seal apparatus for mounting a mixing apparatus having a movable shaft in sealed engagement with a wall of a vessel and in a selected orientation with respect to the wall of the vessel. The adjustable seal apparatus includes a seal mechanism for creating a gas-tight seal between the shaft of the mixing apparatus and the wall of the vessel and an adjustable mounting mechanism for selectively positioning the shaft in a desired orientation.

Abstract: An adjustable seal apparatus for mounting a mixing apparatus having a movable shaft in sealed engagement with a wall of a vessel and in a selected orientation with respect to the wall of the vessel. The adjustable seal apparatus includes a seal mechanism for creating a gas-tight seal between the shaft of the mixing apparatus and the wall of the vessel and an adjustable mounting mechanism for selectively positioning the shaft in a desired orientation.

Abstract: An adjustable seal apparatus for mounting a mixing apparatus having a movable shaft in sealed engagement with a wall of a vessel and in a selected orientation with respect to the wall of the vessel. The adjustable seal apparatus includes a seal mechanism for creating a gas-tight seal between the shaft of the mixing apparatus and the wall of the vessel and an adjustable mounting mechanism for selectively positioning the shaft in a desired orientation.

Abstract: A fluid inlet for waste water treatment equipment adapted to dissipate energy of a fluid that flows through the fluid inlet. The fluid inlet includes a bottom wall, a side wall and a plurality of spaced apart ports. The ports are in fluid communication with a chamber formed by the bottom wall and the side wall. Directional deflectors are respectively associated with each port. The directional deflectors of adjacent pairs of ports direct respective flows of fluid from the adjacent pair of ports toward one another such that the respective fluid flows from adjacent pairs of ports impinge upon one another and thereby dissipate energy.

Abstract: A condensate removal system for removing condensate or infiltrate from a fluid reservoir containing a lubricating or scaling fluid. The condensate removal system includes a fluid conduit having a discharge leg with an outlet port. The condensate removal system prevents or inhibits evaporation of fluid within the discharge leg through the outlet port of the discharge leg while allowing fluid within the discharge leg to flow through the outlet port. The location of the outlet port of the discharge leg is adjustable to compensate for different specific gravities of the lubricating or sealing fluid.

Abstract: A seal device for creating a seal between a rotatable shaft and a stationary member. The seal device includes a seal member having a generally annular body including a generally cylindrical inner wall forming a bore that extends through the body and a sealing surface adapted to rotatably and sealingly engage the stationary member. The body includes a generally annular flexible finger seal member having a base attached to the body and a generally circular peripheral tip that defines an aperture. The bore of the seal member and the aperture of the finger seal member are adapted to receive the shaft such that the tip of the finger seal member is in static sealing engagement with the shaft. A coupling member is adapted to attach the seal member to the shaft for conjoint rotation therewith and to resiliently bias the sealing surface of the seal member into rotating sealing engagement with the stationary member.

Abstract: A method and a device for clarifying liquid by separating particles from a mixture of particles and liquid. The clarifying device includes a housing having an inlet port, a first outlet port and a second outlet port. The housing defines a settling chamber. A first wall member is located within the housing and defines an inlet chamber therein. The inlet port is in fluid communication with the inlet chamber. An adjustable inlet flow passage is formed by the first wall member and includes an opening which is selectively variable in size. The inlet flow passage provides fluid communication between the inlet chamber and the settling chamber. A plurality of settling members are located within the housing above the settling chamber. The liquid within the settling chamber is rotated about a generally horizontal axis by the orientation of the flow passage and deflector members within the housing. Liquid from the settling chamber enters the settling members by changing the direction of its flow by approximately 120.

Abstract: A circular clarifier includes a skimmer assembly mounted on a rotatable arm of the clarifier. The skimmer assembly includes a parallelogram linkage having a pair of end links pivotably connected between upper and lower intermediate links. The skimmer blade is mounted to one of the end links to skim the liquid containing volume of the clarifier. The parallelogram linkage is mounted to the rotating arm by a support assembly at upper and lower pivot connections. These pivot connections are positioned at central portions of the respective intermediate links such that both of the intermediate links extend outwardly on both sides of the respective pivot connection. Either a counterweight or a floatation element is mounted to the parallelogram linkage to bias the linkage for rotation about the pivot connections to position the skimmer blade in an upper position.

Abstract: A clarifier having a flocculating well is provided with two concentric drive cages: an outer drive cage that drives flocculation blades in rotation, and an inner drive cage that drives sludge collection arms across the base of the clarifier. Each drive cage is connected to a respective annular output gear, and each output gear is driven by a respective drive gear. The output gears are stacked one above the other, and each of the drive gears is connected to a respective speed reduction unit situated above the upper of the two output gears. The drive gear for the lower output gear is connected to the respective speed reduction unit by a drive shaft which passes through the upper output gear. Each of the speed reduction units is driven by a respective motor.