The present invention discloses a film type liquid heater and a uniform heating method thereof. End fixation plates are arranged at two ends of a barrel. A heating pipe is arranged in the barrel. Pipe ports run through the two end fixation plates, respectively. Connecting pipes are arranged in the pipe ports. Sealing connection components are arranged at inner ends of the two connecting pipes. A heating film layer is coated outside the heating pipe. Electrode layers are connected left and right sides of the heating film layer, and the electrode layers are connected to an external power supply. An insulating layer is coated outside the heating film layer. A flow splitting column is fixedly connected in the heating pipe. A heating chamber is formed between an inner side of the heating pipe and the flow splitting column. Flow splitting grooves are formed at left and right ends and on the inner side of the flow splitting column. Two outer ends of the flow splitting grooves are communicated with the connecting pipes, and the flow splitting grooves are communicated with the heating chamber. The heating film layer is electrified to generate heat. The heat is conducted inward to the heating pipe and the flow splitting column, and conducted outward to the barrel. Liquid flows into the heating chamber through the connecting pipes and the flow splitting grooves, so that the heating uniformity of the liquid flow flowing through the heating chamber is improved.

The present invention relates to a heating system for heating a fluid medium, said heating system comprises a carrier unit and a heating unit, with the carrier unit having a surface comprising at least a plane portion being at least substantially normal to a longitudinal axis and an at least part-circularly shaped groove extending from said carrier unit and wound about the longitudinal axis, and the heating unit having a heating element at least partially arranged in said groove of said carrier unit. In the inventive heating system, the groove extends at least partially helically about the longitudinal axis. The present invention further relates to a heated conveyor pump for conveying and heating a fluid medium, said pump comprises a drive unit, a pump housing and the inventive heating system. The heating system is coupled to the pump housing with the groove extending into the pump housing in a manner such that the size of the cross-section of the groove decreases in the flow direction of the conveyed fluid medium.

Disclosed in an embodiment is a fluid heater including a main body including a partitioning part having a plate shape and a flow passage forming part forming a flow passage on the other surface of the partitioning part, a heating plate disposed on the flow passage forming part and having a plate shape and including a heating pattern having a shape corresponding to the flow passage, a circuit board disposed on one surface of the partitioning part and configured to control the heating pattern to generate heat, and a bus bar electrically connecting the heating pattern and the circuit board, wherein the flow passage forming part includes a turning vane disposed in a curved flow passage of the flow passage.

The disclosed technology includes an on-demand water heater which uses an electric heat source to heat the water. The on-demand water heater can have a low fluid capacity heating chamber which has an inlet and an outlet, an electric heat source for heating the water, and a controller to control the electric heat source and maintain the temperature of the water at a predetermined temperature setting. The on-demand water heater can be powered by a direct current power source. The on-demand water heater can also utilize a solar thermal system to provide additional heat to the water.

Disclosed is a blade-heating heat pump cover and a heat pump. By providing the mounting slot on the cover body in a direction of protruding from the second surface to the first surface, and providing the heating element in the mounting slot, the application makes the heating element be provided on the cover body without contacting the liquid medium, and the liquid medium be heated through the cover body, thus avoiding the occurrence of leakage caused by corrosion of the heating element by the liquid medium; by providing the heating wire in the heating element, and bending and providing the heating wire in the first end of the heating element for heating, and one part of the heating wire being located on the second end of the heating element being connected to the external circuit, the application is easy to install, assembly and maintain.

A tankless hot water heater has a molded body having an inlet and an outlet. The water heater has a clamshell design such that upper and lower portions are removably attached to one another. A channel extends from the inlet to the outlet. Heating elements extend through at least a portion of the channel and are configured to heat water flowing through the channel. Sensors are configured to measure temperature of water flowing through the channel prior to coming into contact with the heating element. Sensors measure flow rates, temperatures, presence of air, and/or other factors. A controller adjusts power supplied to heating elements using data from sensors.

A heating and humidifying device and a heating and humidifying method. The heating and humidifying device comprises a housing (1), a water tank atomizing set, a steam generator, a heating breathing pipeline, and a controller. A tank body (11) of the water tank atomizing set is buckled with a plurality of elastic pieces (5) in the housing by means of buckling strips on the outer side wall of the water tank atomizing set; the steam generator is snap fit with grooves (8) on the two sides of the housing (1) by means of the buckling pieces (29) on the two sides; a mist outlet (13) on the tank body (11) of the water tank atomizing set is connected to a connector (38) of the steam generator; a gas outlet (28) on the steam generator is connected to the heating breathing pipeline. The heating and humidifying method comprises the steps of: (1) water injecting atomization; (2) water mist gasifying; and (3) heat insulating and gas exhausting.

A heating unit for heating fluid is described having at least one electrical resistance heating element on an outer surface of a tube. At least one indexed groove is provided around a surface of the tube allowing for at least one retention clip to hold the electrical resistance heating element. A heating chamber is also provided to enclose a portion of the tube and to provide a flow channel therebetween. The heating chamber includes an optical sensor to detect overheating of the at least one electrical resistance heating element. Fluid is heated by flowing over the surface of the at least one electrical resistance heating element and through the tube.

A process for regenerating a catalyst in an olefin production reactor. The process includes feeding a compressed, pre-heated air stream to a heating zone comprising an electrical heater, electrically heating the compressed, pre-heated air stream in the heating zone to a temperature in the range of 500-800° C., producing a regeneration air stream, feeding the regeneration air stream to the olefin production reactor, regenerating the catalyst using the regeneration air, producing a hot air stream, and feeding the hot air stream to a waste heat recovery unit configured to pre-heat a compressed air stream, producing the compressed, pre-heated air stream and a waste air stream.

A stamped bare wire metal heating element for heating fluid in a tankless electric fluid heating device may include a first electrically conductive portion extending linearly; a second electrically conductive portion extending linearly; and a third electrically conductive portion connecting the first electrically conductive portion to the second electrically conductive portion at a first end of the stamped bare wire metal heating element, wherein the stamped bare wire metal heating element is open between the first electrically conductive portion and the second electrically conductive portion at a second end of the stamped bare wire metal heating element.