The present disclosure relates to environmentally-clean thermal drying systems and methods. In accordance with one aspect, a method for thermal drying includes receiving a grease-related waste, burning the grease-related waste in a furnace to generate heat energy, receiving a bio-waste in an indirect dryer at an adjustable feed rate, drying the bio-waste in the indirect dryer using at least some of the heat energy, and metering the bio-waste into the indirect dryer at the adjustable feed rate. The adjustable feed rate is adjusted based on a percentage of solids of the bio-waste before entering the indirect dryer and a temperature within the indirect dryer, where the indirect dryer and the adjustable feed rate are coordinated to achieve a predetermined percentage of solids in a dried bio-waste exiting the indirect dryer.

A holding structure for concurrently holding a plurality of containers for substances for cosmetic, medical or pharmaceutical applications, in particular of vials, is provided. The holder includes a carrier having a plurality of apertures or receptacles into which the containers can be inserted, and holding tabs for holding the containers in the apertures or receptacles. The holding tabs are at least two holding tabs, which are provided at the edge of a respective aperture or receptacle and protrude from an upper side of the carrier for holding the respective container. The holding tabs are resiliently pivoted or folded back as the containers are inserted into the apertures or receptacles. The holding tabs are matched to the containers such that the containers are held by the holding tabs with a radial clearance and low tension.

A rotary vacuum drum drying system is described. The system may include a plurality of sensors and a control system operatively coupled with the plurality of sensors. The control system includes a processing device to receive, from the plurality of sensors, a plurality of parameters of the rotary vacuum drum drying system and transmit, to a client device, the plurality of parameters of the rotary vacuum drum drying system. The processing device is further to receive, from the client device, a message comprising an adjustment one or more parameters of the plurality of parameters and adjust the one or more parameters of the plurality of parameters based on the received message.

A complex type dryer includes a rotational cylinder, a drying material, a hot air provider, a hot air chamber and a scraping unit. The drying material provider is disposed over the rotational cylinder and coats a drying material on a surface of the rotational cylinder. The hot air provider is connected to both sides of the rotational cylinder, and includes first and second hot air tubes. The first and second hot air tubes alternately provide a hot air into the rotational cylinder or alternately exhaust the hot air passing through the rotational cylinder. The hot air chamber is disposed along an outer surface of the rotational cylinder outside of the rotational cylinder. The scraping unit is disposed at a side of the rotational cylinder, and removes the drying material from the surface of the rotational cylinder after dried by the rotational cylinder and the hot air chamber.

A movement apparatus for loading/unloading containers (100) into/from a freeze-dryer (50) provided with a freeze drying chamber (51) that has at least one shelf (52) for receiving and supporting containers (100), comprising a push bar (2) to push the containers (100) and a movement arrangement (3) for moving the push bar (2) through the freeze drying chamber (51) along a direction of movement (A); the movement arrangement (3) comprises at least one rigid interlocking chain linear actuator (4) that has a first movement rigid interlocking chain (43) mobile along the direction of movement (A) and provided with a first operating end (14) connected to the push bar (2).

The present invention relates to a centrifugal machine (1) for drying granular solid materials, comprising a hopper (2), a centrifuging mechanism (3), associated to the hopper (2), provided with a rotary helical device (6) enabling the transport of the granular solid materials. Said centrifuging mechanism (3) is also provided with a perforated rotary piece (7), surrounding the rotary helical device (6) configured to remove, by centrifugal force, free liquids adhered to the surface of the granular solid materials. Additionally, the machine (1) comprises a solid outlet duct (5) and a solid collecting chamber (8), arranged between the centrifuging mechanism (3) and the solid outlet duct (5), capable of receiving the centrifuging granular solid materials from the rotary piece (7). The solid collecting chamber (8) is provided with a solid conducting rotor (9), which comprises radial blades (10) configured to push the granular solid materials and impart an increase in tangential velocity to them. The rotary helical device (6) and the rotary piece (7) are configured to allow adjustments of angular velocity.

A method for drying moist material includes supplying the moist material to a feeding unit of a drying plant through a supply pipe; depositing the moist material on a drying surface, while, based on a parameter that depends on the water content of the moist material passing by a sensor at least one of the supply pipe and the feeding unit, continuously regulating a quantity of the moist material being deposited on the drying surface per unit of time; and drying the moist material on the drying surface. A related drying plant dries moist material using a sensor for sensing a parameter of the moist material supplied and varying a quantity of the moist material being deposited on the drying surface per unit of time.

Methods for drying cannabis in continuous throughput-type and batch-type microwave vacuum drying apparatus. One method uses a vacuum chamber having a plurality of adjacent drying zones. The cannabis is conveyed through each of the zones while exposing it to microwave radiation. Each of the drying zones has a microwave power level different from that of an adjacent drying zone, the microwave power levels of zones varying from each other in a non-linear arrangement from the first zone to the last zone. In a batch method, cannabis is loaded into a vacuum chamber, the pressure is reduced, and the cannabis is irradiated with microwave radiation at a first power level. The surface temperature of the cannabis is measured and when the temperature exceeds a specified temperature for a time period greater than a first time period, the power level is reduced to a lower power level for a second time period. The methods of drying maximize the retention of terpenes in the cannabis.

An apparatus and method for dehydrating biological materials, such as vaccines and microorganism cultures, in which the materials are dehydrated in an evacuated container which is in a microwave waveguide that is open to the atmosphere. The apparatus comprises means for freezing the container of biological material, a microwave generator, a waveguide, means for introducing the container into the waveguide, means for applying a vacuum to the container and means for removing the dehydrated material from the waveguide. In the method of the invention, the container of biological material is put in a microwave waveguide open to the atmosphere, a vacuum is applied to the container, the material is frozen and is radiated to dehydrate it. The dehydrated material is then removed from the waveguide.

A holding structure for concurrently holding a plurality of containers for substances for cosmetic, medical or pharmaceutical applications, in particular of vials, is provided. The holder includes a carrier having a plurality of apertures or receptacles into which the containers can be inserted, and holding tabs for holding the containers in the apertures or receptacles. The holding tabs are at least two holding tabs, which are provided at the edge of a respective aperture or receptacle and protrude from an upper side of the carrier for holding the respective container. The holding tabs are resiliently pivoted or folded back as the containers are inserted into the apertures or receptacles. The holding tabs are matched to the containers such that the containers are held by the holding tabs with a radial clearance and low tension.