A microwave separated field reconstructed device includes: a microwave field reconstructed cavity, a first short circuit plane, a third waveguide flange and coupling windows, wherein connection ports are provided on four ends of the microwave field reconstructed cavity; the microwave field reconstructed cavity is provided with a first waveguide flange, and a second waveguide flange is provided one end of the microwave field reconstructed cavity perpendicular to the first waveguide flange; the first short circuit plane is connected to one end of the first waveguide flange away from the microwave field reconstructed cavity; a second short circuit plane is connected to one end of the second waveguide flange away from the microwave field reconstructed cavity. The input ports are distributed at two ends of the microwave field reconstructed cavity to introduce electric and magnetic fields.

An electronic oven with a set of variable reflectance elements for controlling a distribution of heat in the electronic oven and associated methods are disclosed herein. The electronic oven includes a chamber, an energy source coupled to an injection port in the chamber, and a set of variable reflectance elements located in the chamber. In some of the disclosed approaches the variable reflectance elements are nonradiative. A control system of the electronic oven can be configured to alter the states of the variable reflectance elements to thereby alter and control the distribution of energy within the chamber.

There is provided a technique, which includes: a process chamber where a substrate is processed; a microwave oscillator configured to supply microwaves to the process chamber; and a controller configured to be capable of controlling the microwave oscillator to perform: a heating process where the substrate is heated with a first microwave, among the supplied microwaves, supplied at a first microwave power so that a process of supplying the first microwave during a supply time and a process of stopping the supply of the first microwave during a stop time shorter than the supply time are performed a predetermined number of times or for a first predetermined time; and a modifying process in which the substrate is supplied with a second microwave, among the supplied microwaves, at a second microwave power higher than the first microwave power for a second predetermined time while maintaining the second microwave power.

In order to provide a chemical reaction apparatus that can suppress a situation where microwaves are concentrated on a partial portion in a reactor, and that can more uniformly irradiate a content with the microwaves, a chemical reaction apparatus includes: a horizontal flow-type reactor in which a liquid content horizontally flows with an unfilled space being provided thereabove; a microwave generator that generates microwaves; and a waveguide that transmits the microwaves generated by the microwave generator to the unfilled space in the reactor, wherein a top of the reactor is curved with respect to a flow direction of the content.

High frequency heating device is provided with heater disposed adjacent to mount base on which object to be heated is mounted and having a plurality of surface wave transmission lines electrically isolated from each other, and first and second high frequency power generators, each of which generates high frequency power having different frequency. Surface wave transmission lines receive at least one of the high frequency power generated by first high frequency power generator and the high frequency power generated by second high frequency power generator. According to this aspect, interference between the high frequency powers is not occurred and electromagnetic field coupling is not occurred. As a result, in the high frequency heating device provided with the surface wave transmission line using a periodic structure, uneven baking caused by the electromagnetic field coupling can be suppressed, and a heating state of an object to be heated can be easily controlled.

A device for producing exfoliated graphite from graphite flakes, intercalated graphite, or expanded graphite by means of microwave heating using single mode microwave cavities, a method of producing such materials and products from such methods.

A cooking apparatus is disclosed. The cooking apparatus according to one exemplary embodiment of the present disclosure comprises: an inner wall for forming a cooking chamber; an outer wall for encompassing the inner wall; a microwave generating part for emitting a microwave at a passage, which is a space surrounded by the inner wall and the outer wall; and an absorbing layer absorbing the microwave to be propagated along the passage, so as to emit an infrared ray at the cooking chamber.

A microwave heat converter includes a cylindrical waveguide cavity, a non-conductive conduit, and a microwave waveguide. The non-conductive conduit is arranged to carry liquid flowing through a central area of the cylindrical waveguide cavity. The microwave waveguide is configured to deliver microwave power along the cylindrical waveguide cavity in a TE(1,1) mode to heat the liquid. The heat converter may be used in various systems such as heaters, combi boilers, and absorption refrigeration systems.

The present application discloses a cooking device, which includes a cabinet; the cabinet includes an inner cavity, a first heating assembly and a second heating assembly; the inner cavity is provided with a cooking chamber, as well as a first side wall and a second side wall that are arranged opposite to each other, the first side wall is provided with a first ventilation structure, and the second side wall is provided with a second ventilation structure; the first heating assembly is arranged outside the inner cavity and arranged corresponding to the first ventilation structure, and is configured to circularly heat air in the cooking chamber; the second heating assembly is arranged outside the inner cavity and arranged corresponding to the second ventilation structure, and is configured to circularly heat the air in the cooking chamber.

The invention provides a microwave plasma adaptive rock breaking device for microwave-insensitive rocks and a using method thereof, and relates to the technical field of rock breaking. The microwave plasma adaptive rock breaking device comprises a microwave system, a microwave plasma conversion system and a cutter head system. The microwave system and the microwave plasma conversion system are mounted in the cutter head system, and the microwave system is connected with the microwave plasma conversion system. Under the premise that only a microwave source is used to supply energy, the combined action of ordinary microwave irradiation and plasma irradiation in the form of high-temperature flame is realized, and a full-section hard rock tunnel boring machine is in cooperation for breaking rocks, so that the problem of microwave-induced cracks of the microwave-insensitive rocks is solved, and the application scope of a microwave rock breaking technology is enlarged.