The invention relates to a device for incorporation of dust-explosive pulverulent materials into readily inflammable liquids, wherein the device includes the following: at least one liquid circuit (10), wherein the liquid circuit comprises at least one liquid vessel (11), a pipeline system (12), and at least one pump (13), and wherein the liquid circuit is designed to accommodate a combustible liquid; at least one powder vessel (30) designed to accommodate at least one pulverulent material (31) to be incorporated into the liquid, and wherein the powder vessel is connected to the liquid circuit, especially to the pipeline system, in a fluid-conducting manner via a powder feed conduit (32).

A specific resistance value adjustment apparatus includes: a hollow fiber membrane module; a module passing pipe which passes through the hollow fiber membrane module; a bypassing pipe which bypasses the hollow fiber membrane module; a liquid discharge pipe which communicates with the module passing pipe and the bypassing pipe through a joint portion; a first flow rate detection unit which detects a first flow rate of a liquid flowing to at least one of a liquid supply pipe and the liquid discharge pipe; a control valve which opens and closes the module passing pipe; and a control unit which sets an opening degree of the control valve in response to the first flow rate detected by the first flow rate detection unit.

Embodiments of the present application provide a liquid supply system and a liquid supply method. The liquid supply system includes: a mixing tank, the mixing tank being connected to at least a first injection pipe, a second injection pipe and a replenishing pipe; the first injection pipe and the second injection pipe being configured to inject a first liquid and a second liquid into the mixing tank respectively, so as to form a mixed liquid; a parameter acquisition module configured to acquire a concentration of the first liquid in the mixed liquid; and a treatment module configured to control, based on the acquired concentration of the first liquid and a preset concentration of the first liquid, the replenishing pipe to inject the first liquid with a first flow rate into the mixing tank, or inject the second liquid with a second flow rate into the mixing tank.

A gas mixer device for mixing a plurality of gases to generate a gas mixture comprising a desired composition, wherein the gas mixer device comprises: a chassis supporting a mixing chamber for receiving the respective gas and storing said gas mixture, and a plurality of mass flow controllers configured to measure and control a mass flow of the respective gas. According to the present invention, the respective mass flow controller is configured to be releasably connected to the chassis. Furthermore, the present invention relates to a method for generating a gas mixture comprising a desired composition.

Methods and systems of operating a pump at an efficiency point during an in-line blending operation. In an embodiment, such a method may include transporting a fluid from a tank to a pump through a first pipe. The method may include discharging, via the pump, the fluid at a specified flow rate through a second pipe. The method may include measuring a flow rate of the first portion of the fluid flowing from the main control valve through the mixing pipe. The method may include measuring a flow rate of the second portion of the fluid flowing through the spillback loop. The method may include determining a current pump efficiency point and operating the pump within a range of percentages of the best efficiency point.

Methods and systems of admixing hydrocarbon liquids from a plurality of tanks into a single pipeline thereof. The system may include two or more tanks positioned at a tank farm each containing a hydrocarbon liquid therein. The system may include two or more first main pipes, each connected to one of the tanks. The system may include two or more main valves, each connected to one of the first main pipes. The system may include two or more second main pipes each connected to a corresponding main valve. The system may include two or more mixing jumpers, each connected to a corresponding first main pipe, each mixing jumper to, when a corresponding main valve is closed, control hydrocarbon liquid. The system may include a mixing pipe, connected to the second main pipes and the mixing jumpers, configured to transport hydrocarbon liquid from one or more of the tanks.

Methods and systems of operating a pump at an efficiency point during an in-line blending operation. In an embodiment, such a method may include transporting a fluid from a tank to a pump through a first pipe. The method may include discharging, via the pump, the fluid at a specified flow rate through a second pipe. The method may include measuring a flow rate of the first portion of the fluid flowing from the main control valve through the mixing pipe. The method may include measuring a flow rate of the second portion of the fluid flowing through the spillback loop. The method may include determining a current pump efficiency point and operating the pump within a range of percentages of the best efficiency point.

Provided herein are gas mixing systems, comprising a gas inlet for receiving two or more gases and a mixing chamber with a static mixer for mixing the gases. Preferred mixing chambers further comprise a reduced pressure compartment downstream of the static mixer that is in fluid communication with the gas inlet. A gas outlet is in fluid communication with the mixing chamber, and one or more sensors are coupled to the reduced pressure compartment and are configured to continuously sense various parameters such as barometric pressure and the percentage of oxygen in the gas mixture moving through the mixing device. Most typically, the readings of the sensor are pre-compensated for temperature, pressure, and humidity. Also provided herein are methods for using the same.

There is provided a hydrogen gas mixing device that includes a hydrogen generation part configured to generate a hydrogen gas; a mixing gas supply part configured to supply a mixing gas; a gas mixing part configured to mix the hydrogen gas and the mixing gas; a dilution gas supply part configured to supply a non-combustible dilution gas; and a valve circuit configured to, at an abnormality occurrence time, dilute the hydrogen gas with the dilution gas by connecting a first path for the hydrogen gas supplied from the hydrogen generation part and a second path for the dilution gas supplied from the dilution gas supply part.

Methods and systems of admixing hydrocarbon liquids from a plurality of tanks into a single pipeline thereof. The system may include two or more tanks positioned at a tank farm each containing a hydrocarbon liquid therein. The system may include two or more first main pipes, each connected to one of the tanks. The system may include two or more main valves, each connected to one of the first main pipes. The system may include two or more second main pipes each connected to a corresponding main valve. The system may include two or more mixing jumpers, each connected to a corresponding first main pipe, each mixing jumper to, when a corresponding main valve is closed, control hydrocarbon liquid. The system may include a mixing pipe, connected to the second main pipes and the mixing jumpers, configured to transport hydrocarbon liquid from one or more of the tanks.