A piston pressure device includes a gas concentration-regulating piston pressure device and a high temperature autoclave. In the gas concentration-regulating piston pressure device, the proportion and concentration of corrosive gases can be accurately adjusted, intermediate gases can be stored and filled into the high temperature autoclave according to experimental needs, and an actual corrosion process in oilfield is accurately simulated. Meanwhile, the corrosive gases can be supplemented in real time during the experiment, and dynamic gas distribution in a high-temperature high-pressure corrosion experiment process is realized. The present invention has the advantages as follows: the piston pressure device is resistant to high temperature and high pressure, corrosion-resistant, simple in structure and convenient to operate; the concentration and proportion of the corrosive gases are accurately controlled to be invariable in the high-temperature high-corrosion experiment process; and reliability of high-temperature high-pressure corrosive experimental results is increased.

An apparatus contains at least one pressure-rated apparatus shell and at least one modular framework system containing ceramic fiber composite materials and arranged within the apparatus shell. A modular lining apparatus includes the modular framework system and. refractory bricks. The apparatus can be used for high-temperature reactors, especially electrically heated high-temperature reactors.

Alignment systems employing actuators provide relative displacement between lid assemblies of process chambers and substrates, and related methods are disclosed. A process chamber includes chamber walls defining a process volume in which a substrate may be placed and the walls support a lid assembly of the process chamber. The lid assembly contains at least one of an energy source and a process gas dispenser. Moreover, an alignment system may include at least one each of a bracket, an interface member, and an actuator. By attaching the bracket to the chamber wall and securing the interface member to the lid assembly, the actuator may communicate with the bracket and the interface member to provide relative displacement between the chamber wall and the lid assembly. In this manner, the lid assembly may be positioned relative to the substrate to improve process uniformity across the substrate within the process chamber.

A recirculation circuit for a processing vessel is configured to process a load with a process fluid. The recirculation circuit includes a first circuit portion configured to recirculate a first portion of the process fluid through the vessel. The first circuit portion includes a first pump having a first flow rate and a first output pressure and a heat exchanger in fluid communication with the first pump. A second circuit portion is configured to recirculate a second portion of the process fluid through the vessel. The second circuit portion includes a second pump having a second flow rate higher than the first flow rate and a second output pressure lower than the first output pressure.

A pulsed compression reactor may include a reactor housing, a spring piston, and a driver piston. The reactor housing may define an interior volume, and may include a first passage and a second passage which lead to the interior volume. The spring piston may be positioned within the interior volume, wherein the spring piston and the reactor housing at least partially define a perimeter of a gas spring buffer chamber within the interior volume. The driver piston may be positioned within the interior volume, wherein the spring piston, the driver piston, and the reactor housing at least partially define a perimeter of a reaction chamber within the interior volume.

The present invention relates to a high pressure homogenizer and a method for manufacturing graphene using the same, and according to one aspect of the present invention, there is provided a high pressure homogenizer comprising a channel module which comprises a microchannel through which an object for homogenization passes, wherein the channel module comprises at least one baffle disposed so as to partition the microchannel into a plurality of spaces and the baffle is provided so as to partition the microchannel into two spaces along the width direction or the height direction.

An arrangement of a coke drum unit and of a coke crushing unit for use in a closed, gastight system for gaining sellable petroleum coke pieces out of solidified petroleum coke in a coke drum unit. It comprises a coke drum unit containing solidified petroleum coke; a coke crushing unit for crushing the petroleum coke into sellable petroleum coke pieces arranged below the coke drum unit; a lower funnel connected to the coke crushing unit and having an upper end portion; an upper funnel connected to the lower end of the coke drum unit and having a lower end portion with a smaller diameter than the upper end portion of the lower funnel; the lower end portion of the upper funnel extending into the upper end portion of the lower funnel; and at least one circumferential sealing element providing a gastight sealing between the upper funnel and the lower funnel and allowing for an axial and radial movement of the upper funnel with respect to the lower funnel.

An instrument system for acid digestion is disclosed. The instrument includes a heating block, a reaction vessel formed of a polymer that is resistant to acid and other chemical attack at temperatures above 150 C. and that has a structure (thickness, etc.) sufficient to withstand pressures above atmospheric, a metal sleeve surrounding the polymeric reaction vessel, and an opening in the block that has a cross-section corresponding to the cross-section of the metal sleeve.

An autoclave system comprises an autoclave vessel 210, for performing a leaching operation on sacrificial ceramic cores (not shown) and a storage vessel 220 for containing caustic leaching fluid 230. Interposed in a fluid flow path between the vessel 210 and the tank 220 is a heat exchange unit 240, comprising a body 250 containing a thermal exchange medium, in the form of water 260, and first and second thermal exchange conduits represented at 270 and 280. A thermal exchange medium inlet pipe 290a and a thermal exchange medium outlet pipe 290b are provided to the body so that the medium 260 can be replenished, preferably substantially continuously, to optimize thermal transfer efficiency.

In a solid waste treatment system comprising an autoclave (201) not having a particulate filter at its outlet, a method of removing particulates suspended in steam discharged from the autoclave following processing of solid waste is disclosed. The method includes discharging steam from the autoclave; routing the steam to the inlet (301) of a separation vessel (209) that further includes an outlet (303) and a baffle (302) between the inlet and the outlet; and collecting particulates (304) that drop from suspension in the steam at the bottom of the separation vessel. The baffle is configured so that steam is incident upon the baffle to reduce its flow velocity.