CN210772735U - Electromagnetic heater - Google Patents

Abstract

The utility model discloses an electromagnetic heater, including the casing that has the inner chamber, the both ends of casing are equipped with material import and material export respectively, the inner chamber of casing is equipped with a plurality of tube banks, every the input of tube bank all with material import intercommunication, every the output of tube bank all communicates with material export, it has the magnetic conductor to fill respectively between shells inner wall and the tube bank, and between each tube bank, the surface spiral winding of casing has magnetic induction coil, casing, tube bank and magnetic conductor all adopt magnetic materials to make. Compared with the conventional heater, the electromagnetic heater has larger magnetic circuit area and larger heat exchange area, and can complete electromagnetic heat conversion and material heating speed more quickly.

Description

Electromagnetic heater

Technical Field

The utility model relates to an electromagnetic heating technical field especially relates to an electromagnetic heater

Background

The electromagnetic heater uses alternating current to form an alternating magnetic circuit on a metal pipe shell, uses the magnetic resistance of the pipe shell to convert the alternating magnetic circuit into heat energy to heat materials, can be used for heating high-pressure viscous materials containing particles, particularly kitchen slurry, adopts an electromagnetic induction heating method, and can be applied to various electromagnetic heating systems.

The conventional electromagnetic heater only utilizes a tubular heater, so that the conventional electromagnetic heater has the advantages of small magnetic circuit area, low unit power and slow heating; for corrosive materials, corrosion-resistant materials are used, the magnetic conductivity of the materials is affected, and the heating performance is poor.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model aims to provide an electromagnetic heater which can enhance the heating effect.

The purpose of the utility model is realized by adopting the following technical scheme:

electromagnetic heater, including the casing that has the inner chamber, the both ends of casing are equipped with material import and material export respectively, the inner chamber of casing is equipped with a plurality of tube banks, every the input of tube bank all with material import intercommunication, every the output of tube bank all communicates with material export, it has the magnetic conductor to fill respectively between shells inner wall and the tube bank, and between each tube bank, the surface spiral winding of casing has magnetic induction coil, casing, tube bank and magnetic conductor all adopt magnetic materials to make.

Furthermore, the input end of the shell is sequentially provided with an inlet pipe box and an inlet pipe plate along the flowing direction of the materials, the input end of the inlet pipe box is provided with the material inlet, the output end of the shell is sequentially provided with an outlet pipe plate and an outlet pipe box along the flowing direction of the materials, and the output end of the outlet pipe box is provided with the material outlet.

Furthermore, the inlet tube box, the outlet tube box, the inlet tube plate and the outlet tube plate are all made of dual-phase steel or stainless steel or titanium.

Further, the tube bundle is made of corrosion-resistant materials.

Further, the tube bundle is made of titanium material or dual-phase steel or stainless steel.

Further, the shell is made of carbon steel.

Further, the shell is provided with at least one pouring hole communicated with the inner cavity of the shell.

Furthermore, the number of the pouring holes is two, and the two pouring holes are arranged at intervals.

Furthermore, the installation mode of the shell adopts vertical installation.

Compared with the prior art, the beneficial effects of the utility model reside in that:

the utility model discloses an electromagnetic heater adopts the inside tube bank of casing to be the flow passageway of material, and between shells inner wall and tube bank, all pack between each tube bank has the magnetic conductor, so can increase the effective area of contact and the increase magnetic channel area of material and magnetic conductor, is favorable to the heat transfer, and consequently it has efficient heating effect, and electromagnetic heater conventional relatively has the electromagnetism thermal conversion fast, and the material heats fast characteristics. Additionally, the utility model discloses a casing, tube bank and magnetic conductor all adopt magnetic materials to make, and when can avoiding conventional electromagnetic heater to heat corrosive materials, its magnetic conductivity receives the problem that influences and heating performance worsen.

Drawings

Fig. 1 is an overall schematic view of an electromagnetic heater provided by the present invention;

fig. 2 is a partial cross-sectional view of the electromagnetic heater provided by the present invention.

In the figure: 1. a material inlet; 2. an inlet header; 3. an inlet tube sheet; 4. a magnetic induction coil; 5. a pouring hole; 6. a material outlet; 7. an outlet pipe box; 8. an outlet tube sheet; 9. a tube bundle; 10. a housing.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and the detailed description, and it should be noted that the embodiments or technical features described below can be arbitrarily combined to form a new embodiment without conflict.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "horizontal", "vertical", "top", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "one," "another," and the like are used to distinguish similar elements, and these terms and other similar terms are not intended to limit the scope of the present invention.

In the description of the present invention, it should be noted that unless explicitly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as being fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; either directly or indirectly through intervening media, or through both elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art. Corresponding reference numerals are used throughout the figures to indicate corresponding or corresponding elements (e.g., elements identified as "1 XX" and "2 XX" are structurally identical and functionally similar).

As in fig. 1-2, for the utility model provides a pair of electromagnetic heater, this electromagnetic heater is including the casing 10 that has the inner chamber, the both ends of casing 10 are equipped with material import 1 and material export 6 respectively, the inner chamber of casing 10 is equipped with a plurality of tube banks 9, every the input of tube bank 9 all with material import 1 intercommunication, every the output of tube bank 9 all communicates with material export 6, it has magnetic conductor (not shown in the figure) to fill respectively between casing 10 inner wall and the tube bank 9, and between each tube bank 9, the surface spiral winding of casing 10 has magnetic induction coil 4, casing 10, tube bank 9 and magnetic conductor all adopt the magnetic material to make.

The input of casing 10 is equipped with import pipe case 2 and import tube sheet 3 along the material flow direction in proper order, the input of import pipe case 2 is equipped with material import 1, the output of casing 10 is equipped with export tube sheet 8 and export pipe case 7 along the material flow direction in proper order, the output of export pipe case 7 is equipped with material export 6.

In the present embodiment, the operation principle of the electromagnetic heater is as follows: as shown in fig. 1, the material enters from the material inlet 1, passes through the inlet tube box 2 and the inlet tube plate 3, enters the tube bundle 9, the temperature of the material in the tube bundle 9 rises after absorbing heat from the magnetic conductors, then enters the outlet tube plate 8 and the outlet tube box 7 in sequence, and finally flows out from the material outlet 6. The magnetic induction coil 4 outside the housing 10 is energized to heat the housing 10 and the magnetic conductors inside to raise the temperature of the magnetic conductors, which transfer heat to the material through the tube bundle 9. The inner tube bundle 9 is a material flow channel, so that the effective contact area of the material and the magnetic conductor can be increased, heat transfer is facilitated, and the efficient heating effect is achieved; the magnetic conductors are filled between the inner wall of the shell 10 and the tube bundles 9 and between the tube bundles 9, so that the magnetic channel area can be increased, and compared with a conventional electromagnetic heater, the electromagnetic heating device has the characteristics of fast electromagnetic heat conversion and fast material heating. Additionally, the utility model discloses a casing 10, tube bank 9 and magnetic conductor all adopt the material that magnetic conductivity is good to make, and tube bank 9 selects the material that magnetic conductivity is good or the corrosion-resistant material that magnetic conductivity is poor to make according to material property, can avoid conventional electromagnetic heater to heat corrosive materials, uses corrosion-resistant material, and its magnetic conductivity receives the influence again, problem that heating performance worsens. The heat of the electromagnetic heater is mainly generated by the conversion of the shell and the magnetic conductor and is transferred to the materials through the tube bundle 9, so the electromagnetic heater has a high-efficiency heating effect, can widen the application field of electromagnetic heating, and can be applied to the heating of various materials.

In a preferred embodiment, the housing 10 is provided with at least one pouring orifice 5 communicating with the inner cavity of the housing 10. Specifically, the number of the pouring holes 5 is two, and the two pouring holes 5 are arranged at intervals. Two pouring holes 5 are reserved on a shell 10 of the electromagnetic heater in the embodiment, and after welding of a tube bundle 9, an inlet tube plate 3 and an outlet tube plate 8 is completed, molten carbon steel is poured into the shell 10 to enable molten steel to be poured among the tube bundles 9 and between the shell 10 and the tube bundle 9 into a whole; after cooling, the pouring hole 5 is removed, and the shell 10 is polished into a whole, so that the efficient electromagnetic heater is formed; compared with a conventional electromagnetic heater, the electromagnetic heating device has the advantages of fast electromagnetic heat conversion and fast material heating.

As a preferred embodiment, the housing 10 of the present embodiment is installed in a vertical manner, so that the material can flow smoothly.

In a preferred embodiment, the inlet tube box 2, the outlet tube box 7, the inlet tube plate 3 and the outlet tube plate 8 are all made of dual-phase steel or stainless steel or titanium. Of course, the inlet tube box 2, the outlet tube box 7, the inlet tube plate 3 and the outlet tube plate 8 can be made of other materials according to the corrosiveness of materials.

As a preferred embodiment, the tube bundle 9 is made of a corrosion-resistant material. Specifically, the tube bundle 9 of the present embodiment is made of a titanium material. Of course, the tube bundle 9 can also be made of duplex steel or stainless steel.

In a preferred embodiment, the housing 10 is made of carbon steel with good magnetic permeability. Of course, the housing 10 may be made of other materials with good magnetic permeability, such as iron.

The utility model discloses the key feature is that it has bigger magnetic circuit area to compare conventional heater, bigger heat exchange area, the hot conversion of completion electromagnetism that can be faster, faster material rate of heating, and the application field that is applicable to electromagnetic heating system's miniaturized design and can widen electromagnetic heating can be applied to the heating of various materials.

The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention cannot be limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are all within the protection scope of the present invention.

Claims (9)

1. Electromagnetic heater, its characterized in that, including the casing that has the inner chamber, the both ends of casing are equipped with material import and material export respectively, the inner chamber of casing is equipped with a plurality of tube banks, every the input of tube bank all with material import intercommunication, every the output of tube bank all communicates with material export, it has the magnetic conductor to fill respectively between shells inner wall and the tube bank, and between each tube bank, the surface spiral winding of casing has magnetic induction coil, casing, tube bank and magnetic conductor all adopt magnetic materials to make.

2. The electromagnetic heater according to claim 1, wherein the input end of the housing is provided with an inlet tube box and an inlet tube plate in sequence along the material flowing direction, the input end of the inlet tube box is provided with the material inlet, the output end of the housing is provided with an outlet tube plate and an outlet tube box in sequence along the material flowing direction, and the output end of the outlet tube box is provided with the material outlet.

3. The electromagnetic heater according to claim 2, wherein the inlet tube box, the outlet tube box, the inlet tube plate and the outlet tube plate are made of dual phase steel or stainless steel or titanium.

4. The electromagnetic heater according to claim 1, wherein said tube bundle is made of a corrosion resistant material.

5. The electromagnetic heater according to claim 4, wherein said tube bundle is made of titanium or dual phase steel or stainless steel.

6. The electromagnetic heater of claim 1, wherein said housing is made of carbon steel.

7. The electromagnetic heater of claim 1, wherein the housing is provided with at least one pour hole in communication with the interior chamber of the housing.

8. The electromagnetic heater of claim 7, wherein there are two of said orifices, the two orifices being spaced apart.

9. The electromagnetic heater of claim 1, wherein said housing is mounted in a vertical manner.

Images