A jet milling apparatus comprises a milling chamber having one inlet for a product to be milled and outlets for a milled end product having physical properties with respective values falling inside respective ranges, nozzles for issuing respective jets of a milling fluid having predetermined operative parameters into said milling chamber for intercepting the product to be milled and forming a fluidized material inside for drying, selecting, milling, sterilizing, clustering the product, electromagnetic field emitters designed to generate an electromagnetic field with predetermined frequencies and to orient it inside said milling chamber, monitoring devices placed at the outlets for controlling in real time the physical properties of the milled end product before exit and designed to drive the nozzles and the electromagnetic field emitters to vary and adjust the operative parameters of the jets of the milling fluid and the frequency of the electromagnetic field.

The production method includes: a gel-crushing step of grinding a crosslinked hydrogel polymer to obtain a particulate crosslinked hydrogel polymer; a heating drying step of obtaining dried particles from the particulate crosslinked hydrogel polymer by using a continuous stirring drying machine; a post-crosslinking step of post-crosslinking the particulate crosslinked hydrogel polymer or the dried particles; and a sizing step of adjusting a particle size of the dried particles or the post-crosslinked dried particles to obtain water-absorbent resin powder. The particulate crosslinked hydrogel polymer contains a gel fluidizer. A gel temperature of the particulate crosslinked hydrogel polymer containing the gel fluidizer, the gel temperature being measured by a contact thermometer, is not lower than 50° C. In the production method, the dried particles or the post-crosslinked dried particles is forcedly cooled before the sizing step.

A vibratory fluidized bed dryer includes a deck with a surface on which a bed of materials is formed, the deck having apertures through which air passes to fluidize the bed of materials on the deck, a source of air coupled to the apertures in the deck to supply air to the bed through the apertures in the deck, and a vibration generator coupled to the deck. The deck has at least two zones, each zone having a different open area percentage, such that the air passing through each zone produces a different superficial velocity.

A method for producing resin particles includes drying resin particles in a wet state by passing, without circulating, the resin particles through a drying tube together with a first gas, the resin particles being ones that undergo pressure-induced phase transition. The drying tube has an inlet through which the resin particles are fed into the drying tube, at least one gas blowhole through which a second gas is blown over the resin particles passing through the drying tube, and an outlet through which the resin particles are ejected from the drying tube, and the second gas is blown out of the gas blowhole at a velocity of 50 m/s or more.

A fluid product dryer and related methods. Implementations of a method for drying particles may include: introducing particles through an inlet into a first fluid bed section; migrating the particles onto a bed deck; injecting a gas towards the particles through openings in the bed deck; migrating some of the particles through a variable-sized gate opening between the bed deck and a riser; migrating a portion of the particles into the riser; propelling the portion of the particles in the riser upwards by an injection of a gas into the riser; directing a first fraction of the portion of the particles out of the first fluid bed section and into a second fluid bed section through an outlet using a deflector feature; and directing a second fraction of the portion of the particles onto a bed deck of the second fluid bed section by interaction with an impingement feature.

The softgel drying machine comprises a casing, first tumblers, second tumblers, a pneumatic conveying device and a air-drying system. The casing comprises a air generation chamber and a air circulation chamber. The air circulation chamber comprises a first circulation chamber and a second circulation chamber, at least one first drying chamber is located at the first circulation chamber, at least one second drying chamber is located at the second circulation chamber, the first drying chamber comprises a first air inlet and a first air outlet, the second drying chamber comprises a second air inlet and a second air outlet. The first tumblers are located at the first circulation chamber. The second tumblers are located at the second circulation chamber. The air-drying system is located at the air generation chamber and comprises a blower fan, an air return duct and an air supply port.

The production method includes a drying step of drying a particulate crosslinked hydrogel polymer obtained by polymerizing a monomer, which is a material of a water-absorbent resin, using a heating device to obtain dried particles. The heating device includes: a rotary container that contains the particulate crosslinked hydrogel polymer therein and rotates; and a plurality of heating tubes that are located within the rotary container, extend in an axial direction of the rotary container, and rotate together with the rotary container. A gel temperature of the particulate crosslinked hydrogel polymer to be subjected to the drying step, the gel temperature being measured by a contact thermometer, is not lower than 50° C.

The partial or full dehydration of organic or inorganic matter containing water by induction of matter into a vacuum and processing matter through a specially designed acceleration channel is disclosed. The inducted matter accelerates in air from zero speed to sub-sonic speed to reach supersonic speed. As the material transitions the sound barrier, it is subject to acoustic shock waves and an instant negative pressure drop occurs. The sound waves disintegrate, disinfect the material and extract part or all moisture from any organic or inorganic material.

An apparatus for drying bulk goods and a method are provided for continuously drying bulk goods. In particular, an apparatus and a method is provided for drying wood fibers.

The present invention discloses a high-moisture sludge ultra-fine synchronizing deep-drying device and a method thereof. The device has a sludge ultrafine pulverizing unit and a sludge drying unit arranged horizontally in parallel, and a pulverized sludge discharge port arranged between them. The sludge ultrafine pulverizing unit comprises a sludge pulverizing chamber and a sludge feeding port, and the sludge pulverizing chamber is a hollow cylindrical structure with a pulverizing rotation shaft arranged in the center, and the pulverizing rotation shaft is provided with a sludge pulverizing impeller. The lower part of the sludge feeding port is provided with a first baffle and/or a second deflector. The sludge is pulverized into sludge powders in the sludge pulverizing chamber, and then fed into the sludge drying chamber to be fluidized and dried. The present invention has the advantage of high drying efficiency, etc.