A method for controlling a recirculation pump assembly is disclosed. The method includes receiving a process-dependent characteristic and determining a recirculation flow rate of adhesive that flows to the recirculation pump assembly based on the process-dependent characteristic. The method further includes determining a recirculation pump speed of the recirculation pump assembly for pumping the adhesive to a supply channel using the recirculation flow rate, and adjusting an operating speed of the recirculation pump assembly to match the recirculation pump speed. A system and storage device for performing the above method are also disclosed.

In one configuration, a hydroponic system for enriching a liquid with gas-bubbles is disclosed. The system may include at least one reservoir configured to temporarily store the gas-bubble enriched liquid. Each of the at least one reservoir may include an associated inlet port and an associated outlet port fluidically coupled with each other via a liquid-flow line. The system includes one or more pumps configured to cause movement of the liquid along the liquid-flow line, a gas supply feeding a gas (in one configuration, oxygen from a gas concentrator), and a gas-bubble generator provided on the liquid-flow line. The gas-bubble generator may be fluidically coupled to the gas supply to receive gas from the gas supply. The gas-bubble generator may be configured to generate a plurality of individual gas-bubbles of the gas received from the gas supply and mix with the liquid stream flowing via the gas-bubble generator.

An apparatus for filling a vessel with a multicomponent filling product includes a filler having at least one filling unit set up to introduce the filling product into the vessel, and a filler tank set up for intermediate buffering of the filling product and in fluid connection with the filling unit via a product conduit to supply the filling unit with the filling product; and a mixer set up to blend the filling product from at least two filling product components, wherein the mixer has a circulation conduit; and the mixer has at least one dosage branch set up to introduce one filling product component into the circulation conduit, wherein the mixer has a heat exchanger set up to adjust the temperature of the filling product in the circulation conduit.

A positive displacement mixer and method for mixing a product that mixes at least two materials into a homogenous product. The positive displacement mixer has at least one positive displacement element having a length, a primary compartment, and a moving element, and two or more minor positive displacement elements each having a length, a minor compartment, and a moving element. The primary compartment and the minor compartments are fluidly connected and during mixing the primary compartment and minor compartments are closed to the atmosphere.

An adhesive dispensing system for applying liquid adhesive to a substrate using different nozzles with the same manifold is disclosed. The adhesive dispensing system includes a manifold having a body, a first clamp configured to engage the body of the manifold, a second clamp configured to engage the body of the manifold, and a nozzle. The first and second clamps secure the nozzle to the body of the manifold. The body of the manifold has a first contact surface that engages the first clamp and a second contact surface that engages the second clamp and the nozzle, where the second contact surface is angularly offset from the first contact surface.

A liquid circulator for creating liquid circulation in a body of liquid includes a vortex disrupter or blocker that disrupts a vortex created by the circulation assembly of the liquid circulator to minimize or eliminate the slurping/slapping sound. The liquid circulator and vortex disrupter described herein may be used in shallow water with the liquid circulator mounted to a structure, such as a dock or pier. The vortex disruptor permits the circulation assembly to be operated closer to the water surface, while minimizing or eliminating the slurping/slapping sound, and with the circulation assembly further away from the bottom to avoid moving too much debris or possibly causing dredging/trenching on the bottom.

A liquid circulator for creating liquid circulation in a body of liquid includes a vortex disrupter or blocker that disrupts a vortex created by the circulation assembly of the liquid circulator to minimize or eliminate the slurping/slapping sound. The liquid circulator and vortex disrupter described herein may be used in shallow water with the liquid circulator mounted to a structure, such as a dock or pier. The vortex disruptor permits the circulation assembly to be operated closer to the water surface, while minimizing or eliminating the slurping/slapping sound, and with the circulation assembly further away from the bottom to avoid moving too much debris or possibly causing dredging/trenching on the bottom.

Apparatus that mixes non-homogenous fluid. A threaded shaft within a housing circulates fluid within a container to effect mixing. In one embodiment, when placed in a container of fluid, the housing the fluid is recirculated through opposing ends of the housing. In an embodiment of a related method for mixing, a pump housing containing a screw journaled for rotation receives fluid within a container and conveys the fluid therethrough to circulate a fluid portion in the container along an exterior surface of the housing for mixing with another fluid portion to improve fluid homogeneity. After mixing, the portion of the fluid which first circulates through the housing may recirculate through the housing with said another portion of the fluid. The fluid may be continuously mixed and recirculated through the housing.

With a method for digesting starch, an aqueous slurry of the starch is treated with steam in a cooking vessel and in this case exposed to shear forces, wherein the starch-containing slurry is heated to a temperature of between 85□C and 110□C in the cooking vessel by introducing steam, and the digestion step is implemented until the desired degree of digestion has been reached. Also described is a cooking vessel that can be used when the method for digesting starch is being carried out.

An automatic variable speed eductor recirculation system for metal recycling furnaces having a delacquering chamber and a separate heating chamber. The system includes a recirculation duct between the two chambers, an eductor in the duct, a variable speed blower forcing motive gases into the eductor creating a Venturi that draws VOC's from the delaquering chamber through the eductor, and an infrared opacity sensor proximate the eductor that measures the transparency level of the gases in the eductor. An electronic controller automatically adjusts the blower speed to control the eductor Venturi based upon the transparency level measurements of the opacity sensor.