Metastable state spore incubation mixing systems are described. An example system includes a spores container to store spores, a nutrient container to store nutrients, a water supply line, a syringe tank, a syringe pump, an adjustable valve, a heater, and a controller. In a drawing phase of the system, a controller can cause the syringe pump and the adjustable valve to draw into the syringe tank a volume of spores, nutrients, and water to form a mixture. The controller causes the heater to heat the mixture for a period of time. In a dispensing phase of the system, the controller can cause the syringe pump to expel the mixture through the adjustable valve and into a water distribution system. The controller can direct the system through a number of other phases of operation.

A dynamic mixer for a dynamic mixing operation for mixing a liquid or paste-like product, in particular a multi-component product, comprising a core element, a first blade element integrally formed with the core element and helically extending around the core element in a first helix direction, and a second blade element integrally formed with the core element and helically extending around the core element in a second helix direction that is different from the first helix direction, wherein the first blade element and the second blade element are arranged immediately adjacent when viewed in a longitudinal direction of the mixer, the first blade element having a first blade element height, when viewed in the longitudinal direction, and the second blade element having a second blade element height, when viewed in the longitudinal direction that is different from the first blade ele-ment height.

Systems for a plastic pump/actuator capable of containing and pumping organic solvents and lubricants and having a more desirable lubricity within the system. The system has at least two cylinders, with plungers therein, oppositely disposed from each other and configured to operably connect to a pump.

A three-stage variable color paste pump, comprising: a differential pump, which includes: a rodless cavity, a rod containing cavity, and a piston rod; configuring a control valve, which comprises a valve body and a valve core, wherein the valve body is provided with a rod containing cavity opening which is in communication with the rod containing cavity; configuring a rodless cavity opening as in communication with the rodless cavity, configuring a color paste tank opening as in communication with a color paste tank, and configuring an injection outlet; configuring a channel on the valve core, moving the valve core to different positions may form three communication structures. The pump uses one differential pump to achieve three-stage injection output, thus ensuring the accuracy of the injection output of the color paste pump. The pump has a simple structure, takes up a small surface area, and is easy to use.

A three-stage variable color paste pump, comprising: a differential pump, which includes: a rodless cavity, a rod containing cavity, and a piston rod; configuring a control valve, which comprises a valve body and a valve core, wherein the valve body is provided with a rod containing cavity opening which is in communication with the rod containing cavity; configuring a rodless cavity opening as in communication with the rodless cavity, configuring a color paste tank opening as in communication with a color paste tank, and configuring an injection outlet; configuring a channel on the valve core, moving the valve core to different positions may form three communication structures. The pump uses one differential pump to achieve three-stage injection output, thus ensuring the accuracy of the injection output of the color paste pump. The pump has a simple structure, takes up a small surface area, and is easy to use.

An apparatus (1) for mixing a paste material with gas includes: a mixing part (2) that mixes the paste material with the gas using a piston pump (10); and a static mixer (3) that is connected to the mixing part to stir a mixture obtained by mixing the paste material with the gas in the mixing part. The static mixer includes one or a plurality of stirring sections through which the mixture passes, the stirring section has a shape that allows a flow of the mixture passing through the stirring section to be stirred. A ratio of a volume of the piston pump to a volume of at least one of the stirring sections of the static mixer is within a range from 1:0.2 to 1:5.

A color mixing device is provided. The color mixing device includes: a mounting cabinet, a plurality of injection assemblies, a conveying assembly, a drive part, and a controller. A sliding table assembly arranged in a first direction is mounted in the mounting cabinet. The plurality of injection assemblies are arranged in the mounting cabinet in rows and columns. Each injection assembly has a material storage cavity and a discharge nozzle communicated with the material storage cavity. The conveying assembly is movably arranged on the sliding table assembly in the first direction. The conveying assembly has a mounting station and an injection station relative to the mounting cabinet. When the conveying assembly is positioned at the injection station, the each injection assembly positioned on the conveying assembly is capable of injecting a material through a corresponding discharge nozzle.

The invention relates to a device (12) for mixing/dosing liquid coating materials, in particular for use in a coating system (10) for spectacle lenses, said device having at least a first and a second storage container (14-24) for liquid starting materials, a conveying device (26) for sucking in and expelling liquids, a mixing container (28), and a liquid outlet (30) for mixed/dosed liquid coating materials. In between there is a multi-way valve (32), which can be switched into different valve positions and is constructed to produce one of the following connections (a, b, c, d) and in the process to disconnect the other connections: (a) connection between the first storage container and the conveying device, (b) connection between the second storage container and the conveying device, (c) connection between the conveying device and the mixing container, and (d) connection between the conveying device and the liquid outlet.

An apparatus for preserving beverages is provided with a measuring device which is suitable and intended to determine a flow rate of a liquid flowing through a beverage line and with a pump device which delivers a preservative and in particular dialkyl dicarbonates into the beverage line, wherein a delivery line is provided which opens into the beverage line and the pump device delivers the dialkyl dicarbonates through this delivery line and wherein the pump device can be controlled as a function of a flow rate determined by the measuring device, wherein the pump device is constructed as a reciprocating piston pump.

The dilute chemical solution supply device (1) comprises: a dilute chemical solution preparation unit (2) that prepares a dilute chemical solution (W1); a reservoir (3) for the prepared dilute chemical solution; a dilute chemical solution adjustment/supply mechanism (4) that supplies, as washing water (W2), the dilute chemical solution (W1) stored in the reservoir (3) to a plurality of single-wafer type washers (5A, 5B, and 5C); and a return mechanism that is connected to each of the single-wafer type washers (5A, 5B, and 5C) and refluxes excess water from the single-wafer type washers to the reservoir (3). According to such a dilute chemical solution supply device, it is possible to accurately adjust the concentration of the solute of the dilute chemical solution and suppress the discharge of excess water, and the dilute chemical solution supply device is thus suitable for washing of wafers, etc.