CN213179419U

CN213179419U - Intermediate frequency furnace coil axial fixing device

Info

Publication number: CN213179419U
Application number: CN202021928880.6U
Authority: CN
Inventors: 张刚伟
Original assignee: Xi'an Zhonghe Electric Power Technology Co ltd
Current assignee: Xi'an Zhonghe Electric Power Technology Co ltd
Priority date: 2020-09-07
Filing date: 2020-09-07
Publication date: 2021-05-11
Anticipated expiration: 2030-09-07

Abstract

The utility model discloses an intermediate frequency furnace coil axial fixity device relates to metal melting equipment technical field, including annular metal base, the metal base bottom is provided with pours the chamber, pour the intracavity and pour the flame retardant coating, it is provided with a plurality of stock to pour the intracavity. It is through setting up the metal base to set up on the metal base and pour the chamber, adopt refractory material to pour into and pour the chamber and form the flame retardant coating, and set up the fixed flame retardant coating of stock and pour the chamber, its flame retardant coating is fixed firm, combine steel construction and refractory material, weld anchor assembly in the steel construction promptly, then pour refractory material wholly in the steel construction the inside, form an integrated mechanism like this, increased rigidity and intensity, further promoted the durability of flame retardant coating, extension stove life-span.

Description

Intermediate frequency furnace coil axial fixing device

Technical Field

The utility model relates to a metal melting equipment technical field, more specifically relate to the intermediate frequency furnace field.

Background

The medium-frequency electric furnace utilizes a medium-frequency power supply to establish a medium-frequency magnetic field, so that induced eddy current is generated in the ferromagnetic material and the ferromagnetic material generates heat, thereby achieving the purpose of heating the material. The medium-frequency heating furnace adopts a 200-plus-2500 Hz medium-frequency power supply for induction heating, and the smelting and heat preservation are realized, and the medium-frequency electric furnace is mainly used for smelting carbon steel, alloy steel, special steel, and can also be used for smelting of nonferrous metals such as copper, aluminum and the like, and the temperature raising equipment has the advantages of small volume, light weight, high efficiency, less power consumption, quick melting and temperature rise, easy control of furnace temperature and high production efficiency.

The induction furnace adopts 3 kinds of alternating current power supplies of power frequency, intermediate frequency and high frequency. The main components of the induction furnace are an inductor, a furnace body, a power supply, a capacitor, a control system and the like. Under the action of the alternating electromagnetic field in the induction furnace, eddy currents are generated in the material, so that the heating or melting effect is achieved. Induction furnaces are generally classified into induction heating furnaces and melting furnaces. The smelting furnace is divided into a cored induction furnace and a coreless induction furnace. The core induction furnace is mainly used for smelting and heat preservation of various metals such as cast iron and the like, can utilize waste furnace materials, and is low in smelting cost. The intermediate frequency furnace coil flows through intermediate frequency alternating heavy current at work, and the metal in the crucible produces eddy current to heat the metal, under coil current and eddy current's interact, the coil receives the effect of axial force, can shake along the axial, and traditional handicraft adopts prefabricated refractory material briquetting to fix the coil axial.

When the induction furnace is used for smelting metal, under the interaction of coil current and eddy current, the coil is acted by axial force and can vibrate along the axial direction, and the pressing block is formed by prefabricating refractory cement and the like, is brittle and has no buffer when being directly and firmly touched with the coil. So that the furnace life is affected by cracking under the action of alternating force.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: because be prefabricated such as refractory cement and form to the briquetting, it is more fragile, with the cracked problem of coil direct impact easy, the utility model provides an intermediate frequency furnace coil axial fixity device, the coil is fixed effectual.

The utility model discloses a realize above-mentioned purpose and specifically adopt following technical scheme:

the utility model provides an intermediate frequency furnace coil axial fixity device, includes annular metal base, the metal base bottom is equipped with pours the chamber, pour the intracavity and pour the flame retardant coating, it is equipped with a plurality of stock to pour the intracavity.

According to the scheme, the metal base is arranged, the pouring cavity is formed in the metal base, the fireproof material is poured into the pouring cavity to form the fireproof layer, the anchor rod is arranged to fix the fireproof layer and the pouring cavity, the fireproof layer is fixed firmly, the steel structure is combined with the fireproof material, namely, the anchoring piece is welded in the steel structure, then the fireproof material is integrally poured into the steel structure, an integral mechanism is formed, the rigidity and the strength are increased, the durability of the fireproof layer is further improved, and the service life of the furnace is prolonged.

Furthermore, the periphery of the metal base is provided with a flange ring, and positioning screw holes are distributed on the flange ring.

Through above-mentioned scheme, set up the flange circle, through the location screw, fixed flange circle and stove, it is firm to fix, alleviates metal base vibrations.

Furthermore, a furnace mouth is arranged on the metal base, the furnace mouth inclines towards the center of the metal base, and the furnace mouth and the metal base are integrally arranged.

Through the scheme, the furnace mouth is arranged on the metal base, the furnace mouth and the metal base are integrally arranged, and the furnace mouth is not required to be specially manufactured.

Furthermore, the anchor rod is distributed in an inner layer and an outer layer in an annular mode on the surface of the metal base and extends into the pouring cavity.

Through the scheme, the anchor rod is distributed on the metal base plate surface in an inner layer and an outer layer in an annular mode and extends into the pouring cavity, and the anchor rod is reasonable in distribution and firm in fixation.

Furthermore, a reinforcing plate is arranged between the flange ring and the metal base.

Through above-mentioned scheme, set up gusset plate and promote the joint strength of flange circle and metal base.

Furthermore, a refractory cushion is laid on the surface of the refractory layer.

Through above-mentioned scheme, set up the impact that the fire-resistant course weakens the flame retardant coating and coil, play the cushioning effect to the impact.

Furthermore, the end part of the anchor rod extending into the pouring cavity is arc-shaped.

Through above-mentioned scheme, the stock stretches into the tip of pouring the intracavity and is the arc setting, is convenient for imbed the flame retardant coating when pouring the flame retardant coating, further fixes the flame retardant coating.

Furthermore, the inner wall of the pouring cavity is provided with an embedded column, the embedded column is embedded into the fire-resistant layer, and the surface of the embedded column is uneven.

Through above-mentioned scheme, set up the embedded column, conveniently imbed the flame retardant coating when pouring the flame retardant coating, the embedded column surface is unsmooth, increases the area of contact of embedded column and flame retardant coating, promotes the fixed ability to the flame retardant coating.

The utility model has the advantages as follows:

1. the utility model discloses simple structure, it is through setting up the metal base, and set up and pour the chamber on the metal base, adopt refractory material to pour into and pour the chamber and form the flame retardant coating, and set up stock fixed flame retardant coating and pour the chamber, its flame retardant coating is fixed firm, combine steel construction and refractory material, weld anchor assembly in the steel construction promptly, then pour refractory material wholly inside the steel construction, form an integrated mechanism like this, increased rigidity and intensity, further promoted the durability of flame retardant coating, prolong the life-span of stove;

2. the stock stretches into the tip of pouring the intracavity and is the arc setting, is convenient for imbed the flame retardant coating when pouring the flame retardant coating, and further fixed flame retardant coating sets up the embedded column, and the convenient embedding flame retardant coating when pouring the flame retardant coating, the surface irregularity of embedded column increases the area of contact of embedded column and flame retardant coating, promotes the fixed ability to the flame retardant coating.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

fig. 2 is a schematic structural view from above of the present invention, mainly for marking the position of the anchor rod;

fig. 3 is a schematic sectional view taken along line a-a of fig. 2.

Reference numerals: 1. a metal base; 2. pouring a cavity; 3. a refractory layer; 4. an anchor rod; 5. a flange ring; 6. positioning the screw hole; 7. a reinforcing plate; 8. a fitting column; 9. a furnace mouth; 10. a refractory pad.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Example 1

As shown in fig. 1 to 3, the present embodiment provides an axial fixing device for a coil of an intermediate frequency furnace, which includes an annular metal base 1, a pouring cavity 2 is disposed at a bottom end of the metal base 1, a fire-resistant layer 3 is poured in the pouring cavity 2, and a plurality of anchor rods 4 are disposed in the pouring cavity 2. The periphery is provided with flange circle 5 on the metal base 1, and it has location screw 6 to distribute on the flange circle 5, is provided with gusset plate 7 between flange circle 5 and metal base 1. Therefore, the flange ring 5 is arranged, the flange ring 5 is fixed with the furnace through the positioning screw hole 6, the reinforcing plate 7 improves the connection strength of the flange ring 5 and the metal base 1, the fixing is firm, the vibration of the metal base 1 is reduced, the metal base 1 is arranged, the pouring cavity 2 is arranged on the metal base 1, the refractory material is poured into the pouring cavity 2 to form the refractory layer 3, the anchor rod 4 is arranged to fix the refractory layer 3 and the pouring cavity 2, the refractory layer 3 is fixed firmly, the steel structure is combined with the refractory material, namely, the anchor part is welded in the steel structure, and then the refractory material is integrally poured in the steel structure.

Referring to fig. 1 to 3, the anchor rods 4 are annularly distributed on the surface of the metal base 1 and extend into the pouring cavity 2, and the anchor rods 4 are annularly distributed on the surface of the metal base 1 and extend into the pouring cavity 2, so that the anchor rods are reasonably distributed and firmly fixed. The tip that stock 4 stretched into in pouring chamber 2 is the arc setting, and the tip that stock 4 stretched into in pouring chamber 2 is the arc setting, is convenient for imbed flame retardant coating 3 when pouring flame retardant coating 3, further fixes flame retardant coating 3. For further fixed flame retardant coating 3, pour 2 inner walls in chamber and be provided with embedded column 8, embedded column 8 embedding flame retardant coating 3, embedded column 8 surface unevenness sets up embedded column 8, conveniently imbeds flame retardant coating 3 when pouring flame retardant coating 3, and embedded column 8 surface unevenness increases the area of contact of embedded column 8 and flame retardant coating 3, promotes the fixed ability to flame retardant coating 3.

Referring to fig. 1, a metal base 1 is provided with a burner 9, the burner 9 is inclined toward the center of the metal base 1, and the burner 9 is integrally provided with the metal base 1. The furnace mouth 9 and the metal base 1 are arranged integrally, and the furnace mouth 9 does not need to be specially manufactured.

Referring to fig. 3, a refractory pad 10 is laid on the surface of the refractory layer 3, and the refractory pad 10 is arranged to weaken the impact between the refractory layer 3 and the coil and buffer the impact.

The implementation principle is as follows: the metal base 1 is arranged, the pouring cavity 2 is arranged on the metal base 1, refractory materials are poured into the pouring cavity 2 to form a refractory layer 3, the anchor rod 4 is arranged to fix the refractory layer 3 and the pouring cavity 2, the refractory layer 3 is firmly fixed, a steel structure is combined with the refractory materials, the end part of the anchor rod 4 extending into the pouring cavity 2 is arranged in an arc shape, the refractory layer 3 is conveniently embedded when the refractory layer 3 is poured, the refractory layer 3 is further fixed, the embedded column 8 is arranged, the refractory layer 3 is conveniently embedded when the refractory layer 3 is poured, the surface of the embedded column 8 is uneven, the contact area between the embedded column 8 and the refractory layer 3 is increased, the fixing capacity of the refractory layer 3 is improved, namely, an anchoring part is welded in the steel structure, then the refractory materials are integrally poured into the steel structure, an integral mechanism is formed, the rigidity and the strength are improved, and the durability of the refractory layer 3 is further improved, the service life of the furnace is prolonged.

Claims

1. The axial fixing device for the coil of the intermediate frequency furnace is characterized by comprising an annular metal base (1), wherein a pouring cavity (2) is arranged at the bottom end of the metal base (1), a fire-resistant layer (3) is poured in the pouring cavity (2), and a plurality of anchor rods (4) are arranged in the pouring cavity (2).

2. The axial fixing device for the coil of the intermediate frequency furnace is characterized in that a flange ring (5) is arranged on the periphery of the metal base (1), and positioning screw holes (6) are distributed on the flange ring (5).

3. The axial fixing device for the coil of the intermediate frequency furnace is characterized in that a furnace mouth (9) is arranged on the metal base (1), the furnace mouth (9) inclines towards the center of the metal base (1), and the furnace mouth (9) is integrally arranged with the metal base (1).

4. The intermediate frequency furnace coil axial fixing device according to claim 1, characterized in that the anchor rods (4) are annularly distributed on the surface of the metal base (1) in an inner layer and an outer layer and extend into the pouring cavity (2).

5. The intermediate frequency furnace coil axial fixing device according to claim 2, characterized in that a reinforcing plate (7) is arranged between the flange ring (5) and the metal base (1).

6. Intermediate frequency furnace coil axial fixing device according to claim 5, characterized in that the refractory layer (3) is coated with a refractory pad (10) on its surface.

7. The intermediate frequency furnace coil axial fixing device according to claim 4, characterized in that the end of the anchor rod (4) extending into the pouring cavity (2) is arc-shaped.

8. The intermediate frequency furnace coil axial fixing device according to claim 7, characterized in that the inner wall of the casting cavity (2) is provided with a fitting column (8), the fitting column (8) is fitted into the refractory layer (3), and the surface of the fitting column (8) is uneven.