Systems and methods for drying system control. A control system receives inputs and measurements and provides modulated outputs to a drying system, control subsystems, or a user interface. An energy ratio compares the optimal energy required to the actual energy applied is into the control system for a drying process and can be provided as a constraint for optimization. The energy ratio enables compensation for effects that environmental variables such as ambient humidity and temperature may have on system performance. The control system can modulate the energy supplied by the drying system to meet an energy ratio setpoint. Embodiments of the present disclosure can validate the effectiveness of the control system by monitoring material yield and utility consumption in real-time to optimize system performance.

Systems and methods for drying system control. A control system receives inputs and measurements and provides modulated outputs to a drying system, control subsystems, or a user interface. An energy ratio compares the optimal energy required to the actual energy applied is into the control system for a drying process and can be provided as a constraint for optimization. The energy ratio enables compensation for effects that environmental variables such as ambient humidity and temperature may have on system performance. The control system can modulate the energy supplied by the drying system to meet an energy ratio setpoint. Embodiments of the present disclosure can validate the effectiveness of the control system by monitoring material yield and utility consumption in real-time to optimize system performance.

A system for producing dry nanoparticles from a liquid includes a closed tubing system which incorporates a mister, heater and an electrostatic collector therein. The system is able to produce dry nanoparticles from liquid-suspensions and from solvent solutions.

A system for producing dry nanoparticles from a liquid includes a closed tubing system which incorporates a mister, heater and an electrostatic collector therein. The system is able to produce dry nanoparticles from liquid-suspensions and from solvent solutions.

Disclosed herein is an external mixing pressurized two-fluid nozzle for atomising a liquid by means of liquid pressure and gas, comprising an inner feed liquid pipe (1) extending axially between an upstream end and a downstream end, having a feed liquid conduit (2), a feed liquid inlet (3) positioned at the upstream end and a feed orifice (4) positioned at the downstream end, and a co-axial first gas pipe (5) extending radially outside the inner feed liquid pipe (1) and forming a first gas conduit (6) between the first gas pipe (5) and the inner feed liquid pipe (1), the first gas pipe (5) having a gas outlet slit (7) positioned at the downstream end. Said external mixing two-fluid nozzle provides a swirling motion of the gas, which combined with a pressurized feed liquid enables the production of spray dried powder at industrially applicable capacities with low energy consumption and a small particle size.

Disclosed herein is an external mixing pressurized two-fluid nozzle for atomising a liquid by means of liquid pressure and gas, comprising an inner feed liquid pipe (1) extending axially between an upstream end and a downstream end, having a feed liquid conduit (2), a feed liquid inlet (3) positioned at the upstream end and a feed orifice (4) positioned at the downstream end, and a co-axial first gas pipe (5) extending radially outside the inner feed liquid pipe (1) and forming a first gas conduit (6) between the first gas pipe (5) and the inner feed liquid pipe (1), the first gas pipe (5) having a gas outlet slit (7) positioned at the downstream end. Said external mixing two-fluid nozzle provides a swirling motion of the gas, which combined with a pressurized feed liquid enables the production of spray dried powder at industrially applicable capacities with low energy consumption and a small particle size.

A spray drying process and apparatus for drying a spray dryable liquid composition to a spray dried powder is described, in which the spray dryable liquid composition contains no carrier. The spray dryable liquid composition is processed at a solids concentration not exceeding 80% by weight, based on total weight of the spray dryable liquid composition, being atomized to generate an atomized spray of liquid particles of the spray dryable liquid composition into a spray drying chamber, in which the atomized spray is contacted with a stream of drying fluid flowed at temperature not exceeding 100 C. into the spray drying chamber, to form the spray dried powder.

A spray drying system for drying liquid into powder including a plurality of processing towers each including an elongated drying chamber, a spray nozzle assembly at an upper end of the drying chamber and a powder collection chamber at a lower end of the drying chamber. The powder collection chamber of each processing tower being configured to discharge power to a common conveyor system.

A spray drying system for drying liquid into powder including a plurality of processing towers each including an elongated drying chamber, a spray nozzle assembly at an upper end of the drying chamber and a powder collection chamber at a lower end of the drying chamber. The powder collection chamber of each processing tower being configured to discharge power to a common conveyor system.

A high-pressure pre-heating system is provided for use in a spray dryer system. The high-pressure pre-heating system may include a heat exchanger(s) configured for high-pressure and high velocity product flow, with the heat exchanger(s) preheating liquid product immediately before spray drying. This arrangement reduces heat exposure time of the liquid product that flows at high velocity through the high-pressure heat exchanger(s), which correspondingly reduces the likelihood of fouling surfaces of the heat exchanger(s) or overheating the liquid product.