Hydrocyclone () for separating an input stream () of two immiscible liquids having a stream inlet () an inner shell () and an outer shell () concentric with the longitudinal axis () of the hydrocyclone (), a cyclone chamber is defined by the shells (), encircles the axis () and has an entrance (), an expansion chamber () which reduces the velocity of the input stream () by the time it reaches the entrance () is between the stream inlet () and the entrance (). The dimensions of the hydrocyclone are selected so that the hydrocyclone () has a radius not more than 30% greater than the radius of the outer shell () and lies within a circle in a plane perpendicular to and centered on the axis (), therefore the hydrocyclone () can be readily lowered into a well casing () in the ground.
This invention relates to a flexible, collapsible, floating container (1) for receiving and holding liquids such as oil recovered from oil spills. Specifically, the invention relates to a continuous, sealed, collapsible container having an upper portion which has a positivebuoyancy to maintain an upright position of the container while collapsed and when filled with oil. A rigid ring (2) with a valve (4) for introducing the liquid is located in the upper portion. A stabilizer to prevent rotation and provide stability may be attached to a lower portion of the container. A strengthening layer, such as nylon mesh (16) could be added to surround the container (1), as well as a harness for lifting the container out of the water. The container (1) expands and floats as it becomes filled.
A connector assembly is provided for connecting two pipes of dissimilar material. In particular, an assembly is provided for connecting a first end portion of a first pipe to a second end portion of a second pipe formed as a bell housing having a larger inside diameter than an outside diameter of the first end portion and which second end portion overlaps the first end portion. The connector assembly includes a mandrill for attachment to the first end portion, which is formed as a flange extending radially from an outside circumference of the first end portion to face at least a portion of an end face of the bell housing, and an axial tubular extension extending from the flange so as to, upon assembly, reach a point approximately equal to an axial end point of the first pipe, and reside within the second end portion creating an annular space therebetween. A sealing gasket, formed of an electrically insulating material, is formed as a base in the form of a tubular collar for residing fittingly around an outside circumference of the first end portion, and at least one annular fin projecting radially from an outside circumference of the base at an angle with respect thereto, said fin being rotatable inwardly about said angle towards the base and being biased outwardly about said angle, and said fin being substantially inflexible along its radial width.
Boyd B. Greene - Memphis TN Naji J. Nassif - Memphis TN
Assignee:
Newberry Tanks & Equipment, Inc. - West Memphis AR
International Classification:
B01D 2124
US Classification:
210170
Abstract:
In combination, a flow control bypass basin for receiving rainfall runoff water from a surface, an immiscible liquids separator downstream of the bypass basin, and a drain. The bypass basin passes the initial, dirty and oily, portion of the rainfall runoff to the separator and bypasses subsequent runoff water instead to the drain. The bypass basin includes a tank, an inlet in communication with the tank's interior, a primary outlet from the bypass basin to the separator, and a bypass outlet from the bypass basin to the drain, with the bypass outlet being located a substantial height above the primary outlet. Interposed between the bypass outlet and the interior of the tank is a riser tube having a mouth disposed in the lower portion of the tank and an upper end closed to the interior of the tank but open to the bypass outlet. The bypass outlet is located a certain hydraulic head height above the liquid level in the separator such that all water within the bypass basin above that height is bypassed into the drain. The primary outlet is substantially smaller than the inlet to the bypass basin so that the initial dirty portion of the rainfall runoff is accumulated within the bypass basin's tank.
A hydrocyclone for separating a combined phase input stream has two nesting truncated, downwardly tapering conical members having an annular space therebetween. A tangential inlet leads to the annular space between the conical members. Alternate embodiments applicable to a hydrocyclone device composed of nesting cylindrical or conical shells forming an annular cyclonic space have passages located on either of the shells to effect an intermediate draw off of a fraction of the flow stream. In addition, a coiled, hollow tube is advantageously situated within the annular space to optimize the flow pattern. Ports may be provided in the hollow tube for removing a gas fraction in counterflow orientation.
Boyd B. Greene - Memphis TN Naji J. Nassif - Memphis TN Anderson Scott - Germantown TN
Assignee:
Newberry Tanks & Equipment, Inc. - West Memphis AR
International Classification:
C02F 140
US Classification:
2101951
Abstract:
An apparatus and method for removing articles of a first liquid from a second liquid using law, the first liquid, such as oil, having a greater buoyancy than the second, such as water, with both liquids being immiscibly combined into a flowing fluid mixture. Surges in the mixture's flow are dampened, and the mixture is constrained to have a limited horizontal flow velocity through the tank of the apparatus. A separator chamber with a plurality of parallel subchannels formed by spaced vertical plates has a geometry that reduces and controls the Reynolds number of the subchannels and controls the velocity through the subchannels, causing the flow therethrough to be substantially non-turbulent. A first gate inhibits the flow of sediment into the separator chamber. The flow path length through the separator chamber is such that the particles will have sufficient time to rise above a downstream exit, near the bottom of the separator chamber, and into a holding chamber.