A system for continuously preparing coated particles in a large scale comprises: a coating furnace, a cooling facility, a solid by-product treatment device, and a gas by-product treatment device connected in sequence. The coating furnace is used for coating particles. The cooling facility is used for cooling the coated particles. The solid by-product treatment device is used for treating solid by-products generated in the coating furnace during the particle coating process. The gas by-product treatment device is used for treating gas by-products generated in the coating furnace during the particle coating process. The system for continuously preparing coated particles resolves the problem that a system in the prior art, aiming at batch production, has a time interval between two batches, wherein a temperature increase process and a temperature decrease process both exist, and is small in scale, does not completely break through laboratory research and cannot achieve real industrial continuous preparation.

A jet impingement reactor having a small, spheroidal reaction chamber is provided. The reaction chamber exhibits a first and a second fluid inlet arranged at opposite positions of the reaction chamber such as to point at one another, and wherein each of the first and the second fluid inlet comprises a nozzle. The distance between the nozzles is the same or smaller than the diameter of the reaction chamber along the first central axis. Preferably, the nozzles are comprised in fluid inlet connectors that are reversibly insertable into the wall of the reaction chamber such as to provide the first and the second fluid inlet. The invention further provides a method of mixing two fluids based on jet impingement using the reactor according to the invention.

According to an embodiment, a spent catalyst distributor for distributing spent catalyst in a catalyst regenerator vessel housing a dense phase catalyst bed and a dilute phase catalyst bed is disclosed. The spent catalyst distributor comprises a conduit comprising a proximal end and a distal end. The conduit projects horizontally or horizontally and downwardly into the regenerator vessel and includes an opening located at the distal end for introducing the spent catalyst at a first location inside the regenerator vessel. The conduit further includes a plurality of orifices located along a length of the conduit between the distal end and an inner wall of the regenerator vessel for introducing the spent catalyst at a plurality of locations inside the regenerator vessel.

Reactor vessel and a feed nozzle assembly for feeding a gas and a liquid into such reactor vessel. The feed nozzle assembly comprises an outer tube supplying a first liquid feed, such as oil, an inner tube supplying a dispersion gas, such as steam, a third tube supplying a second liquid feed, such as biomass, and a nozzle end. A catalytic cracking process wherein two or more hydrocarbon liquids are jointly dispersed into a dispersion gas and jetted via the same feed nozzle assembly into a catalytic cracking reactor.

A method for loading pellets into receptacles uses a pressurized fluid to form virtual blankets at a plurality of elevations inside the receptacle to reduce the acceleration of the falling pellets in order to provide gentle loading of the pellets.

A nozzle includes: a flow path allowing gas to flow; tip opening portion(s) formed on a tip side of the flow path; a base end opening portion formed on a base end side of the flow path; and side hole(s) which is formed on the base end side from the tip opening portion and allows a part of the gas flowing through the flow path to be discharged toward the base end side. The tip opening portion(s) is formed in a direction of the flow path. The side hole(s) is formed along a circumferential direction of the flow path. When the gas is supplied from the base end opening portion, a ratio (Q1a/Q1b) of a flow rate (Q1a) of the gas discharged from the tip opening portion(s) and a flow rate (Q1b) of the gas discharged from the side hole(s) is 0.05 to 0.7.

A gas-phase polymerization system and a solids recovery system for a fluidized bed reactor. The fluidized bed reactor can include a fluidizing gas outlet from which a discharged mixture of fluidizing gas and polymer fines is released, and a cyclone separator can separate the polymer fines from the fluidizing gas for reentry into the fluidized bed reactor. It has been found that by situating the reactor entry nozzle of the fines return line which is closest to the gas-phase reaction zone significantly higher in the reaction zone than in a conventional fines return line, and by directionally orientating the incoming stream of polymer fines and carrier gas into the fluidized bed in the reaction zone, a significant increase in the residence time of the particle in the reaction and larger particles which meet a product size distribution specifications are achieved.

A fluidized reactor system includes a reactor containing a fluidized bed situated above a distributor plate arranged within the reactor, a fluidizing gas fed into the fluidized bed via the distributor plate to cause uniform fluidization of the fluidized bed and promote creation of solid polymeric granules, and a valve assembly penetrating a sidewall of the reactor to remove a mixture of the fluidizing gas and the solid polymeric granules from the fluidized bed. The valve assembly is coupled to the sidewall at a downward angle relative to the sidewall such that an upward-facing opening of the valve assembly extends into the fluidized bed.

A device and a method for capturing carbon dioxide and producing an organic weak acid salt. The device uses ammonia, chloroacetic acid, and hexamethylenetetramine as raw materials to prepare a non-amine carbon dioxide absorbent in the spray evaporation tower, then the non-amine carbon dioxide absorbent is transmitted to an atomizing carbon dioxide absorption tower, and the non-amine carbon dioxide absorbent is dispersed in the atomizing carbon dioxide absorption tower through second atomizing nozzles; a flue gas enters the atomizing carbon dioxide absorption tower, and the flue gas is mixed with the non-amine carbon dioxide absorbent to capture carbon dioxide; the non-amine carbon dioxide absorbent containing the carbon dioxide is transmitted to a carbon dioxide desorption chamber to obtain desorbed carbon dioxide and desorbed non-amine carbon dioxide absorbent; the desorbed non-amine carbon dioxide absorbent is transmitted to the absorbent storage tank for cooling crystallization to obtain the organic weak acid salt.

Reactor vessel and a feed nozzle assembly for feeding a gas and a liquid into such reactor vessel. The feed nozzle assembly comprises an outer tube supplying a first liquid feed, such as oil, an inner tube supplying a dispersion gas, such as steam, a third tube supplying a second liquid feed, such as biomass, and a nozzle end. A catalytic cracking process wherein two or more hydrocarbon liquids are jointly dispersed into a dispersion gas and jetted via the same feed nozzle assembly into a catalytic cracking reactor.