CN111565484A - Spiral high-efficiency electromagnetic induction heating heat exchange output device - Google Patents

Abstract

The invention provides a spiral high-efficiency electromagnetic induction heating heat exchange output device which comprises an electromagnetic induction structure and a conveying structure, wherein the electromagnetic induction structure comprises an inner pipe, an outer pipe, an insulating and heat-preserving layer, spiral flow deflectors, an electromagnetic induction coil and a cone, the inner pipe, the outer pipe and the insulating and heat-preserving layer are concentrically arranged from inside to outside, the spiral flow deflectors are fixedly wound on the outer wall of the inner pipe, the bottom end of the inner pipe is fixedly connected with the cone, the electromagnetic induction coil is uniformly wound on the outer wall of the insulating and heat-preserving layer, and a spiral liquid flow channel is formed by the inner pipe, the outer pipe and. The invention creates the spiral high-efficiency electromagnetic induction heating heat exchange output device, fluid media enter the spiral channel to rotate and flow upwards under the pushing of the circulating input pump, the spiral tangential flow of heated fluid or heat-conducting media relative to the external heating pipe is realized, and the heating heat exchange output device can efficiently heat common fluid media or sanitary-grade purification media.

Description

Spiral high-efficiency electromagnetic induction heating heat exchange output device

technical field

The invention belongs to the field of electromagnetic induction heating, in particular to a spiral type high-efficiency electromagnetic induction heating heat exchange output device.

Background technique

At present, the application of electromagnetic heating has been relatively popular, and various electromagnetic heating heating and electromagnetic quick-heating water heaters have also appeared in the market, and have achieved good results. However, there is a big difference in the heating body part of the electromagnetic induction heating core heating and heat exchange, and there are problems such as low thermal efficiency, slow heating speed, low heat exchange efficiency, and large electromagnetic radiation. Mainly single-layer tube and double-layer tube, the heating efficiency is low and the heat exchange speed is slow.

SUMMARY OF THE INVENTION

In view of this, the invention aims to provide a spiral type high-efficiency electromagnetic induction heating heat exchange output device package to provide a heating heat exchange output device that can efficiently heat common fluid media or sanitary purification media.

In order to achieve the above object, the technical scheme created by the present invention is realized like this:

A spiral type high-efficiency electromagnetic induction heating heat exchange output device, including an electromagnetic induction structure and a conveying structure, the electromagnetic induction structure includes an inner tube 1, an outer tube 2, an insulating and heat preservation layer 3, a spiral guide plate 4 and a cone 6, an inner tube. 1. The outer tube 2 and the insulating layer 3 are arranged concentrically from the inside to the outside. The outer wall of the inner tube 1 is fixedly wound with a spiral guide plate 4. The bottom end of the inner tube 1 is fixedly connected to the cone 6, and a through hole is opened in the center of the cone 6. The outer wall of the insulation layer 3 is evenly wound with an electromagnetic induction coil 5; the conveying structure includes an output pipe 7, an input pipe 8 and a circulating input pump, the lower end of the outer pipe 2 is fixedly connected with the input pipe 8, and the input circulation pump is installed on the input pipe 8. The upper end is fixedly connected with the output pipe 7 .

Further, the outer wall of the outer tube 2 is wrapped with an insulating and thermal insulation layer 3, which doubles as the outer tube 2 of the electromagnetic induction heating heating body. .

Further, the upper end of the outer pipe 2 is fixedly connected with the first flange 9 , and the lower end of the outer pipe 2 is fixedly connected with the second flange 11 .

Further, the upper end of the inner pipe 1 is fixedly connected with the first flange 9 through a first connecting piece, and the lower end of the inner pipe 1 is fixedly connected with the third flange 10 through a second connecting piece.

Further, one end of the output pipe 7 is fixedly connected with the third flange 10 .

Further, one end of the input pipe 8 is fixedly connected with the fourth flange 12 .

Further, the first flange 9 is fixedly connected with the third flange 10 .

Further, the second flange 11 is fixedly connected with the fourth flange 12 .

Compared with the prior art, the spiral high-efficiency electromagnetic induction heating heat exchange output device created by the present invention has the following advantages:

(1) The present invention creates the spiral high-efficiency electromagnetic induction heating heat exchange output device, which uses the inner tube, the outer tube and the spiral guide vane to form a spiral liquid flow channel, and the fluid medium enters the spiral channel under the push of the input circulating pump Rotate and flow upward to realize the helical tangential flow of the heated fluid or heat transfer medium relative to the external heating tube. This helical tangential flow can increase the heat exchange stroke and flow rate, and at the same time, due to the centrifugal force, the friction between the flowing liquid and the tube wall can be increased. Therefore, the heat exchange capacity is greatly improved, the high-efficiency output capacity of the electromagnetic heat energy of the outer tube can be improved, and the heat energy on the outer tube wall can be exported as soon as possible, so as to realize the double high efficiency of "electromagnetic efficient heat production + efficient heat export" inside the electromagnetic heating body. Electric heat conversion and utilization, the overall electric heat energy efficiency can reach more than 95%.

(2) The spiral-type high-efficiency electromagnetic induction heating heat exchange output device created by the present invention doubles as the outer tube of the electromagnetic induction heating heating body. Magnetic induction heating body.

Description of drawings

The accompanying drawings that constitute a part of the present invention are used to provide further understanding of the present invention, and the schematic embodiments and descriptions of the present invention are used to explain the present invention and do not constitute an improper limitation of the present invention. In the attached image:

1 is a schematic structural diagram of a spiral high-efficiency electromagnetic induction heating heat exchange output device according to an embodiment of the present invention;

FIG. 2 is a cross-sectional view of a spiral-type high-efficiency electromagnetic induction heating heat exchange output device according to an embodiment of the present invention.

Description of reference numbers:

1-inner pipe; 2-outer pipe; 3-insulation layer; 4-spiral guide plate; 5-electromagnetic induction coil; 6-cone; 7-output pipe; 8-input pipe; 9-first flange ; 10 - the third flange; 11 - the second flange; 12 - the fourth flange.

Detailed ways

It should be noted that the embodiments of the present invention and the features of the embodiments may be combined with each other under the condition of no conflict.

In the description of the present invention, it should be understood that the terms "center", "longitudinal", "horizontal", "top", "bottom", "front", "rear", "left", "right", The orientation or positional relationship indicated by "vertical", "horizontal", "top", "bottom", "inside", "outside", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention The description is created and simplified rather than indicating or implying that the device or element referred to must have a particular orientation, be constructed and operate in a particular orientation, and therefore should not be construed as limiting the invention. In addition, the terms "first", "second", etc. are used for descriptive purposes only, and should not be construed as indicating or implying relative importance or implying the number of indicated technical features. Thus, a feature defined as "first", "second", etc., may expressly or implicitly include one or more of that feature. In the description of the present invention, unless otherwise specified, "plurality" means two or more.

In the description of the present invention, it should be noted that, unless otherwise expressly specified and limited, the terms "installed", "connected" and "connected" should be understood in a broad sense, for example, it may be a fixed connection or a connectable connection. Detachable connection, or integral connection; may be mechanical connection or electrical connection; may be direct connection, or indirect connection through an intermediate medium, or internal communication between two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood through specific situations.

The present invention will be described in detail below with reference to the accompanying drawings and in conjunction with the embodiments.

The spiral type high-efficiency electromagnetic induction heating heat exchange output device, as shown in Figure 1 to Figure 2, includes an electromagnetic induction structure and a conveying structure. The electromagnetic induction structure includes an inner tube 1, an outer tube 2, an insulating layer 3, and a spiral guide plate 4. And the cone 6, the inner pipe 1, the outer pipe 2 and the insulating layer 3 are arranged concentrically from the inside to the outside, the outer wall of the inner pipe 1 is fixedly wound with a spiral guide plate 4, and the bottom end of the inner pipe 1 is fixedly connected with the cone 6. A through hole is opened in the center of the body 6, and the outer wall of the insulating and thermal insulation layer 3 is evenly wound with an electromagnetic induction coil 5; The circulating pump is input, and the upper end of the outer pipe 2 is fixedly connected with the output pipe 7 . The inner tube 1, the outer tube 2 and the helical guide vane 4 are used to form a helical liquid flow channel, that is, a spiral channel. The fluid medium enters the spiral channel and rotates upwards under the push of the input circulating pump, so that the heated fluid or heat transfer medium is relatively The helical tangential flow of the external heating tube (electromagnetic induction coil 5), this helical tangential flow can increase the heat exchange stroke and flow rate, and at the same time, due to the centrifugal force, the friction between the flowing liquid and the tube wall can be increased, thereby greatly improving the heat exchange. It can improve the high-efficiency output capability of the electromagnetic heat energy of the outer tube 2, and the heat energy on the wall of the outer tube 2 can be exported as soon as possible, so as to realize the double high-efficiency electro-thermal conversion and utilization of "electromagnetic efficient heat production + efficient heat export" inside the electromagnetic heating body. The overall electric heating energy efficiency can reach more than 95%.

The outer wall of the outer tube 2 is wrapped with an insulating and thermal insulation layer 3, which also serves as the outer tube 2 of the electromagnetic induction heating body. The thickness and thermal conductivity of the thermal insulation layer are strictly required to ensure the electromagnetic induction heating efficiency and thermal insulation effect.

The upper end of the outer pipe 2 is fixedly connected with the first flange 9 , and the lower end of the outer pipe 2 is fixedly connected with the second flange 11 .

The upper end of the inner tube 1 is fixedly connected to the first flange 9 through a first connecting piece, and the lower end of the inner tube 1 is fixedly connected to the third flange 10 through a second connecting piece.

One end of the output pipe 7 is fixedly connected with the third flange 10 .

One end of the input pipe 8 is fixedly connected with the fourth flange 12 .

The first flange 9 is fixedly connected with the third flange 10 .

The second flange 11 is fixedly connected to the fourth flange 12 .

Spiral high-efficiency electromagnetic induction heating heat exchange output device, as shown in Figure 1 to Figure 2, the inner tube 1, the outer tube 2 and the spiral guide vane 4 form a spiral liquid flow channel, that is, the flow of the heated fluid or heating medium Sandwich channel, when the inner tube 1 is an ordinary metal inner tube, and the outer tube 2 is a ferromagnetic metal outer tube, the device is used for ordinary fluid medium heating, when the inner tube 1 is a stainless steel inner tube, and the outer tube 2 is a ferromagnetic metal and stainless steel Composite outer tube, the device is used for sanitary purification medium heating.

In the inner tube 1, the outer tube 2 and the helical guide vane 4 to form a helical liquid flow channel, the helical helical guide vane 4 is used to separate the channel into a helical liquid flow channel, and the pitch and channel width can be different. Configuration adjustment, the lower part of the inner tube 1 is closed with a cone 6, and only a small breathing port is left at the top of the cone (convenient for maintenance and drainage), so that most of the liquid flows through the channel.

Driven by the input circulating pump, the fluid medium enters the spiral channel and rotates upward to realize the spiral tangential flow of the heated fluid or heat-conducting medium relative to the external heating tube (electromagnetic induction coil 5). This spiral tangential flow can increase the heat exchange stroke. At the same time, due to the centrifugal force, the friction between the flowing liquid and the pipe wall can be increased, thereby greatly improving the heat exchange capacity and improving the high-efficiency output capacity of the electromagnetic heat energy of the outer pipe 2. The heat energy on the wall of the outer pipe 2 can be exported as soon as possible, thereby The double high-efficiency electrothermal conversion and utilization of "electromagnetically efficient heat generation + efficient heat exportation" inside the electromagnetic heating body is realized, and the overall electrothermal energy efficiency can reach more than 95%.

Spiral high-efficiency electromagnetic induction heating heat exchange output device is a high-efficiency electromagnetic heating heat exchange output device. It is used in the heat transfer oil electromagnetic heating system. When the heating power is 60KW and the measured flow rate is 3.2 cubic meters, the temperature of the hot oil can be reduced by one cycle. At an increase of 42.46°C, the calculated heating efficiency can reach 95.5%. This heat exchange output capability ensures that the heat generated by electromagnetic heating can be taken out as soon as possible, so that the inner tube 1 of the spiral-type high-efficiency electromagnetic induction heating heat exchange output device maintains a proper temperature instead of continuous accumulation and heating, which not only reduces heat loss, but also reduces heat loss. Will prolong the life of the heating outer tube 2.

The above descriptions are only preferred embodiments of the present invention, and are not intended to limit the present invention. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the within the scope of protection of the present invention.

Claims (8)

1. High-efficient electromagnetic induction heating heat transfer output device of screw-tupe, its characterized in that: the electromagnetic induction structure comprises an inner pipe (1), an outer pipe (2), an insulating and heat-insulating layer (3), spiral flow deflectors (4), an electromagnetic induction coil (5) and a cone (6), wherein the inner pipe (1), the outer pipe (2) and the insulating and heat-insulating layer (3) are concentrically arranged from inside to outside, the spiral flow deflectors (4) are fixedly wound on the outer wall of the inner pipe (1), the bottom end of the inner pipe (1) is fixedly connected with the cone (6), a through hole is formed in the center of the cone (6), the electromagnetic induction coil (5) is uniformly wound on the outer wall of the insulating and heat-insulating layer (3), and the inner pipe (1), the outer pipe (2) and the spiral flow deflectors (4) form a spiral liquid flow channel, namely a spiral channel; the conveying structure comprises an output pipe (7), an input pipe (8) and a circulating input pump, the lower end of the outer pipe (2) is fixedly connected with the input pipe (8), an input circulating pump is installed on the input pipe (8), and the upper end of the outer pipe (2) is fixedly connected with the output pipe (7).

2. The spiral high-efficiency electromagnetic induction heating heat exchange output device according to claim 1, wherein the outer wall of the outer pipe (2) is wrapped with an insulating layer (3).

3. The spiral high-efficiency electromagnetic induction heating heat exchange output device of claim 1, wherein: the upper end of the outer pipe (2) is fixedly connected with the first flange (9), and the lower end of the outer pipe (2) is fixedly connected with the second flange (11).

4. The spiral high-efficiency electromagnetic induction heating heat exchange output device of claim 1, wherein: the upper end of the inner pipe (1) is fixedly connected with the first flange (9) through a first connecting piece, and the lower end of the inner pipe (1) is fixedly connected with the third flange (10) through a second connecting piece.

5. The spiral high-efficiency electromagnetic induction heating heat exchange output device of claim 1, wherein: one end of the output pipe (7) is fixedly connected with the third flange (10).

6. The spiral high-efficiency electromagnetic induction heating heat exchange output device of claim 1, wherein: one end of the input pipe (8) is fixedly connected with the fourth flange (12).

7. The spiral high-efficiency electromagnetic induction heating heat exchange output device of claim 1, wherein: the first flange (9) is fixedly connected with the third flange (10).

8. The spiral high-efficiency electromagnetic induction heating heat exchange output device of claim 1, wherein: the second flange (11) is fixedly connected with the fourth flange (12).

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