Disclosed is a stirring mechanism for extracting lithium from a waste liquid of a lithium iron phosphate battery, including a pedestal, a clamping jaw and a stirring mechanism; the stirring mechanism includes a first motor, a rotating member and a stirring member; the rotating member includes a second motor, a connecting end and a rotating shaft; the rotating shaft includes an inner shaft and an outer shaft; the stirring member includes a jaw-shaped connecting base, a separating frame, a material guide wheel and a collecting frame; the jaw-shaped connecting base is connected to an outside lower end of the outer shaft; the separating frame is connected to a bottom end of the jaw-shaped connecting base; the collecting frame is connected to a bottom portion of the separating frame; and the material guide wheel is fixed to a lower end of an inner cavity of the collecting frame and is connected with a bottom end of the inner shaft.

A slurry manufacturing apparatus includes a rotation-revolution mixing device which mixes and prepares a slurry by rotational movement and revolving movement and a gas injection mechanism which dissolves carbonic acid gas in the slurry prepared by the rotation-revolution mixing device, in which the gas injection mechanism dissolves the carbonic acid gas in the slurry by injecting the carbonic acid gas under pressure in a sealed state.

A multifunctional animal exposure experimental device is provided. A multi-route transmission system is provided in an aerosol exposure system; an environmental temperature compensation system is provided in a biosafety system; an aerosol generation module communicates with a mixing chamber; the mixing chamber and a donor animal chamber alternatively communicate with a recipient animal chamber through an aerosol particle size screening module; an aerosol sampling system is connected to a sampling port of the mixing chamber, a sampling port of the donor animal chamber and a sampling port of the recipient animal chamber; an outlet of the constant temperature and humidity air producing device communicates with a first adjustment air inlet of the mixing chamber or a second adjustment air inlet of the donor animal chamber. This device enables quantification of transmission risks via different routes under controlled environmental conditions.

An aerosol generation system is provided, including an aerosol generator, a primary separation assembly, and a secondary separation assembly, the primary separation assembly includes a primary separation chamber and a pair of electrode plates, an inlet of the primary separation chamber is connected to an outlet of the aerosol generator, and a channel is formed between the pair of the electrode plates for aerosol particles to pass through; the secondary separation assembly comprises a secondary separation chamber, and an inlet of the secondary separation chamber is connected to an outlet of the primary separation chamber. The present disclosure achieves the requirements of different standard particle sizes for filter material testing equipment, the output of aerosols with different particle sizes and concentrations can be achieved by adjusting the voltage and length of the electrode plates, or the size and distance of the mechanical separation plate.

Disclosed is a stirring mechanism for extracting lithium from a waste liquid of a lithium iron phosphate battery, including a pedestal, a clamping jaw and a stirring mechanism; the stirring mechanism includes a first motor, a rotating member and a stirring member; the rotating member includes a second motor, a connecting end and a rotating shaft; the rotating shaft includes an inner shaft and an outer shaft; the stirring member includes a jaw-shaped connecting base, a separating frame, a material guide wheel and a collecting frame; the jaw-shaped connecting base is connected to an outside lower end of the outer shaft; the separating frame is connected to a bottom end of the jaw-shaped connecting base; the collecting frame is connected to a bottom portion of the separating frame; and the material guide wheel is fixed to a lower end of an inner cavity of the collecting frame and is connected with a bottom end of the inner shaft.

Embodiments of the present application relate to compositions bupivacaine multivesicular liposomes (MVLs) prepared by a commercial manufacturing process with large particle diameter span.

Provided herein is a method for preparing microcarrier particles, comprising the steps of allowing the dispersed phase liquid flow through a multi-hole plate at a low temperature to form liquid microspheres in a continuous phase, and enabling a synthetic polymer and/or natural biological macromolecules within the liquid microspheres to be subject to a curing reaction at a low temperature to form particles. Further provided herein are the method for preparing an emulsion and an apparatus and process system for preparing microcarrier particles, which can be used for preparing emulsions and microcarrier particles on a large scale.

Systems for generating stable emulsions may employ one or more liquid-liquid ejectors for mixing the oil with water through motive and suction streams to produce the emulsion as a discharge stream. One or more motive tanks may be fluidly coupled to the one or more liquid-liquid ejectors; the one or more motive tanks may supply the one or more liquid-liquid ejectors with a motive fluid. One or more suction tanks may be fluidly coupled to the one or more liquid-liquid ejectors; the one or more suction tanks may supply the one or more liquid-liquid ejectors with a suction fluid. One or more discharge tanks may be fluidly coupled to the one or more liquid-liquid ejectors; the one or more discharge tanks may collect an emulsion from the one or more liquid-liquid ejectors. Additionally, a flow line coupled to the one or more discharge tanks may feed the emulsions into a formation.

Systems for generating stable emulsions may employ one or more liquid-liquid ejectors for mixing the oil with water through motive and suction streams to produce the emulsion as a discharge stream. One or more motive tanks may be fluidly coupled to the one or more liquid-liquid ejectors; the one or more motive tanks may supply the one or more liquid-liquid ejectors with a motive fluid. One or more suction tanks may be fluidly coupled to the one or more liquid-liquid ejectors; the one or more suction tanks may supply the one or more liquid-liquid ejectors with a suction fluid. One or more discharge tanks may be fluidly coupled to the one or more liquid-liquid ejectors; the one or more discharge tanks may collect an emulsion from the one or more liquid-liquid ejectors. Additionally, a flow line coupled to the one or more discharge tanks may feed the emulsions into a formation.

Embodiments of the present application relate to batches of bupivacaine multivesicular liposomes (MVLs) prepared by a commercial manufacturing process using independently operating dual tangential flow filtration modules.