Electromagnetic induction heating apparatus
地域：
Tokyo
摘要
An electromagnetic induction heating apparatus for heating a fluid includes a tubular insulating member (10) through which the fluid flows, and the tubular insulating member (10) is surrounded by an outer shell member (2, 3) exclusively of its exit-side opening (10e) serving as an exit for the fluid. The outer shell member (2, 3) is provided, at a position nearer to the exit-side opening (10e) than to an inlet-side opening (10i) serving as an inlet for the fluid of the tubular insulating member (10), with an inflow port (3a) through which the fluid flows into the outer shell member (2, 3), an electromagnetic induction coil (25) is wound around an outer periphery of the tubular insulating member (10), and a heating magnetic body (20) is disposed inside the tubular insulating member (10) in a state of forming flow paths. The above arrangement provides a small-type electromagnetic induction heating apparatus with which fluid heating efficiency can be enhanced and a high-pressure fluid can also be heated.
說明書
This application is a National Stage of International Application No. PCT/JP2017/022364 filed Jun. 16, 2017, claiming priority based on Japanese Patent Application No. 2016-227518 filed Nov. 24, 2016, the contents of all of which are incorporated herein by reference in their entirety.
The present invention relates to an electromagnetic induction heating apparatus for heating a fluid by a heating element that generates heat by electromagnetic induction. The fluid is, for example, a fluid to be supplied to a tire vulcanization apparatus.
As this kind of electromagnetic induction heating apparatus, there has been generally known an apparatus in which an electromagnetic induction coil is wound around the outer periphery of a nonmagnetic material pipe (cylindrical insulating member) permitting a fluid to pass through the inside thereof, a heating element formed of a magnetic material is disposed in the pipe through which the fluid passes, an alternating current is passed through the electromagnetic induction coil to cause the heating element to generate heat by electromagnetic induction, and the fluid is made to flow through the pipe, whereby the fluid is heated (see, for example, Patent Document 1).
Patent Document 1
JP 2001-155845 A
權(quán)利要求
The invention claimed is:1. An electromagnetic induction heating apparatus comprising:a tubular insulating member formed in a tubular shape from a non-magnetic material and is provided with an inlet-side opening as an opening at an end portion on a side for serving as an inlet for a fluid, and an exit-side opening as an opening at an end portion on another side for serving as an exit for the fluid; and an outer shell member surrounding the tubular insulating member exclusively of the exit-side opening, wherein the outer shell member is provided, at a position nearer to the exit-side opening than to the inlet-side opening of the tubular insulating member, with an inflow port through which the fluid flows to inside of the outer shell member; an electromagnetic induction coil is wound around an outer periphery of the tubular insulating member; a heating magnetic body is disposed inside of the tubular insulating member in a state of forming a flow path the outer shell member is made up of a bottomed tubular container having a tubular wall section with a closed bottom wall at one end and an opening at another end, and a plate-shaped base plate closing the opening of the bottomed tubular container and provided with an outflow port, the exit-side opening of the tubular insulating member is connected to the outflow port provided in the base plate; the bottomed tubular container has a bottom wall section bulging in a dome-like shape; an annular space inside of the outer shell member and outside of an outer peripheral surface of the tubular insulating member is formed; a tube inside space inside of the tubular insulating member is formed; a communication space formed between a bottom surface of the bottom wall section of the bottomed tubular container and the inlet-side end portion of the tubular insulating member opposed to the bottom surface; said inflow port is opening into the annular space; and a flow path in which the fluid flows into the annular space from the inflow port, flows into the communication space, flows into the tube inside space, and flows out from the tube inside space through the out flow port is formed. 2. The electromagnetic induction heating apparatus according to claim 1 , wherein the outer shell member is made of a magnetic material. 3. The electromagnetic induction heating apparatus according to claim 1 , wherein the inflow port is provided in the base plate. 4. The electromagnetic induction heating apparatus according to claim 1 ,wherein the tubular wall section of the bottomed tubular container is a cylindrical wall section cylindrical in shape, and the tubular insulating member is cylindrical in shape, and is disposed inside the cylindrical wall section of the bottomed tubular container with their respective cylinder center axes coincident with each other. 5. The electromagnetic induction heating apparatus according to claim 1 , wherein the outflow port is made of a tubular outflow pipe penetrating the base plate and secured to the base plate. 6. The electromagnetic induction heating apparatus according to claim 1 , wherein the tubular insulating member is made of a non-magnetic ceramic. 7. The electromagnetic induction heating apparatus according to claim 1 , wherein the electromagnetic induction coil has a heat-resistant structure. 8. The electromagnetic induction heating apparatus according to claim 1 , wherein the heating magnetic body has a plurality of flow paths arrayed such as to extend rectilinearly from the inlet-side opening toward the exit-side opening. 9. The electromagnetic induction heating apparatus according to claim 1 , wherein the tubular insulating member with the electromagnetic induction coil wound therearound is assembled onto the base plate through an outflow pipe. 10. The electromagnetic induction heating apparatus according to claim 1 , wherein the tubular insulating member with the heating magnetic body accommodated therein and with the electromagnetic induction coil wound therearound is unitized by attaching metallic cylindrical end members respectively to both ends thereof.
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