CN214537409U

CN214537409U - Intermediate frequency furnace with slag conveying mechanism

Info

Publication number: CN214537409U
Application number: CN202022898943.4U
Authority: CN
Inventors: 叶君志; 刘玉娇; 叶萧藩
Original assignee: Zhejiang Sanmen Taihe Large Forging Co ltd
Current assignee: Zhejiang Sanmen Taihe Large Forging Co ltd
Priority date: 2020-12-03
Filing date: 2020-12-03
Publication date: 2021-10-29
Anticipated expiration: 2030-12-03

Abstract

The utility model provides an intermediate frequency furnace with slag conveying mechanism belongs to metal smelting equipment technical field. It has solved the technical problem such as use refining furnace slag that current intermediate frequency furnace can not be convenient. The intermediate frequency furnace with the slag conveying mechanism comprises a shell, wherein a support is arranged at the lower end of the shell, an inner container is arranged in the shell, a feed inlet at the upper end of the inner container penetrates through the upper end of the shell, a cover cap communicated with the inner part of the inner container is arranged at the upper end of the feed inlet, and a coil is arranged outside the inner container in a winding manner; a slag conveying mechanism is arranged on one side of the shell and comprises a box body and a screen plate, the screen plate is movably inserted in the middle of the box body, a slag inlet is formed in the upper end of the box body, a slag outlet is formed in the lower end of the box body, and the slag outlet is communicated with the cover cap through a first pipeline; one side of the slag conveying mechanism is provided with a refining furnace, and the slag inlet is communicated with the refining furnace through a second pipeline. The utility model discloses in be provided with slag conveying mechanism, make the slag of use refining furnace that the intermediate frequency furnace can be more convenient.

Description

Intermediate frequency furnace with slag conveying mechanism

Technical Field

The utility model belongs to the technical field of metal smelting device, a intermediate frequency furnace with slag conveying mechanism is related to.

Background

The intermediate frequency furnace is a power supply device for converting power frequency 50HZ alternating current into intermediate frequency (more than 300HZ to 1000HZ), converts three-phase power frequency alternating current into direct current after rectification, converts the direct current into adjustable intermediate frequency current, supplies intermediate frequency alternating current flowing through a capacitor and an induction coil, generates high-density magnetic lines in the induction coil, cuts metal materials contained in the induction coil, and generates large eddy current in the metal materials.

Chinese patent (publication No. CN 210321250U; publication No. 2020-04-14) discloses an energy-saving intermediate frequency furnace, which comprises a base, wherein an intermediate frequency furnace shell is fixedly arranged at the top of the base, a first damping spring is uniformly and fixedly arranged at the bottom of an inner cavity of the intermediate frequency furnace shell, an intermediate frequency furnace inner container is fixedly arranged at the top of the first damping spring, an induction coil is wound on the outer side surface of the intermediate frequency furnace inner container, and a furnace opening is formed in the top of the intermediate frequency furnace inner container.

The energy-saving intermediate frequency furnace in the patent literature has low slagging efficiency, and the intermediate frequency furnace needs to manually convey slag of a refining furnace into the intermediate frequency furnace to promote slagging of the intermediate frequency furnace, so that the operation steps are complicated, time and labor are wasted, and great inconvenience is brought to an operator.

Disclosure of Invention

The utility model discloses according to the above-mentioned problem that prior art exists, provide an intermediate frequency furnace with slag conveying mechanism, the utility model aims to solve the technical problem that: when the intermediate frequency furnace works, how to conveniently convey the slag of the refining furnace into the intermediate frequency furnace.

The purpose of the utility model can be realized through the following technical scheme:

an intermediate frequency furnace with a slag conveying mechanism comprises a shell, wherein a support is arranged at the lower end of the shell, and the intermediate frequency furnace is characterized in that an inner container is arranged in the shell, a feed inlet at the upper end of the inner container penetrates through the upper end of the shell, a cover cap communicated with the interior of the inner container is arranged at the upper end of the feed inlet, a coil is arranged around the outer surface of the inner container, a discharge outlet is arranged at the lower end of the inner container, and the discharge outlet penetrates through a bottom plate and the support of the shell; a slag conveying mechanism is arranged on one side of the shell and comprises a box body and a screen plate, the screen plate is movably inserted in the middle of the box body, a slag inlet is formed in the upper end of the box body, a slag outlet is formed in the lower end of the box body, and the slag outlet is communicated with the cover cap through a first pipeline; and a refining furnace is arranged on one side of the slag conveying mechanism, and the slag inlet is communicated with the refining furnace through a second pipeline.

The working principle is as follows: when the intermediate frequency furnace is used, the metal liquid is poured into the inner container through the feeding hole at the upper end of the inner container, and the sieve tray is inserted into the box body. In the slag inlet entering box that produces in the refining furnace course of operation passes through pipeline two and box upper end, the slag in the screen tray screening entering box, liquid slag falls to the bottom of box and gets into the block through slag notch and the pipeline one on the box, and solid-state slag is left over on the screen tray. Because the cap and the inner container are communicated, the liquid slag flows into the cap and then falls into the inner container, the solid slag left in the sieve tray is poured into the inner container, the coil outside the inner container is electrified to generate a magnetic field, and the slag, the metal liquid and the magnetic field are matched to perform cutting magnetic induction line motion, so that electric energy and heat are generated, and the purpose of smelting the metal liquid and the slag simultaneously is achieved. The slag conveying mechanism is arranged in the intermediate frequency furnace with the slag conveying mechanism, slag generated by the refining furnace can be sent into the intermediate frequency furnace, the efficiency of generating new slag by the intermediate frequency furnace is improved, and after the slag in the refining furnace enters the intermediate frequency furnace, solid slag is attached to the surface of the metal liquid, so that the metal liquid can be prevented from being oxidized. The slag produced by the refining furnace also has higher alkalinity and fluidity, and can perform partial desulfurization and dephosphorization treatment on the metal liquid in the intermediate frequency furnace.

In foretell intermediate frequency furnace that has slag conveying mechanism, the sieve tray is the cuboid form, the sieve tray includes square frame, sieve and handle, the sieve sets up on the bottom surface of square frame, the handle sets up the one end of square frame.

In the intermediate frequency furnace with the slag conveying mechanism, a movable hole is formed in the middle of a side plate of the box body, a slot is formed in the position, corresponding to the movable hole, of the inner wall of the side plate of the box body, and one end, far away from the handle, of the sieve plate movably penetrates through the movable hole and is matched with the slot. The sieve tray can move in the activity hole and the slot, thereby the sieve tray is taken out and is inserted in the box body, and the collection and the transportation of solid-state slag are facilitated.

In the intermediate frequency furnace with the slag conveying mechanism, the cap comprises a cap body and a metal pipe, the metal pipe is arranged inside the cap body, a plurality of small holes are formed in the metal pipe, and the second pipeline penetrates through the cap body and is communicated with the metal pipe. And the liquid slag enters the metal pipe through the first pipeline and falls into the inner container through the small holes in the metal pipe.

In the intermediate frequency furnace with the slag conveying mechanism, the bottom surface of the inner side of the box body is obliquely arranged towards the slag outlet.

In the intermediate frequency furnace with the slag conveying mechanism, the first pipeline and the second pipeline are both flexible hoses, and the diameter of the second pipeline is 3 times of that of the first pipeline. The pipeline is used for conveying solid and liquid slag, and the pipeline is used for conveying liquid slag all the time.

In the intermediate frequency furnace with the slag conveying mechanism, a plurality of damping springs are arranged between the bottom surface of the inner container and the bottom surface of the inner part of the shell.

Compared with the prior art, the utility model has the advantages of it is following:

1. the intermediate frequency furnace with the slag conveying mechanism is provided with the slag conveying mechanism, so that slag generated by the refining furnace can be fed into the intermediate frequency furnace, and the efficiency of generating new slag by the intermediate frequency furnace is improved.

2. The slag conveying mechanism in the intermediate frequency furnace with the slag conveying mechanism can separate solid slag and liquid slag, the liquid slag directly enters the refining furnace to be smelted together with the metal liquid, and the solid slag is attached to the surface of the metal liquid after entering the intermediate frequency furnace and can also prevent the metal liquid from being oxidized.

3. The slag produced by the refining furnace also has higher alkalinity and fluidity, and can perform partial desulfurization and dephosphorization treatment on the metal liquid in the intermediate frequency furnace.

Drawings

FIG. 1 is a sectional view of the intermediate frequency furnace with a slag transport mechanism.

Fig. 2 is a schematic perspective view of a sieve tray.

Fig. 3 is a schematic perspective view of the cap.

In the figure, 1, a housing; 2. a support; 3. an inner container; 3a, a feed inlet; 3b, a discharge hole; 4. capping; 4a, a cap body; 4b, a metal tube; 4b1, small hole; 5. a coil; 6. a slag conveying mechanism; 6a, a box body; 6a1 and a slag inlet; 6a2, slag outlet; 6a3, a movable hole; 6a4, slot; 6b, a sieve tray; 6b1, square frame; 6b2, sieve plate; 6b3, handle; 7. a first pipeline; 8. a refining furnace; 9. a second pipeline; 10. a shock absorbing spring.

Detailed Description

The following is a detailed description of the present invention with reference to the accompanying drawings, but the present invention is not limited to these embodiments.

As shown in fig. 1, the intermediate frequency furnace with the slag conveying mechanism comprises a shell 1, and a support 2 is arranged at the lower end of the shell 1, and is characterized in that an inner container 3 is arranged in the shell 1, a feed inlet 3a at the upper end of the inner container 3 penetrates through the upper end of the shell 1, a cap 4 communicated with the inner part of the inner container 3 is arranged at the upper end of the feed inlet 3a, a coil 5 is arranged around the outer side of the inner container 3, a discharge outlet 3b is arranged at the lower end of the inner container 3, the discharge outlet 3b penetrates through a bottom plate of the shell 1 and the support 2, and a plurality of damping springs 10 are arranged between the bottom surface of the inner container 3 and the bottom surface of the inner part of the shell 1; a slag conveying mechanism 6 is arranged on one side of the shell 1, the slag conveying mechanism 6 comprises a box body 6a and a screen tray 6b, the screen tray 6b is movably inserted in the middle of the box body 6a, a slag inlet 6a1 is formed in the upper end of the box body 6a, a slag outlet 6a2 is formed in the lower end of the box body 6a, the bottom surface of the inner side of the box body 6a is obliquely arranged towards the slag outlet 6a2, and the slag outlet 6a2 is communicated with the cover cap 4 through a first pipeline 7; one side of the slag conveying mechanism 6 is provided with a refining furnace 8, and the slag inlet 6a1 is communicated with the refining furnace 8 through a second pipeline 9. The first pipeline 7 and the second pipeline 9 are both flexible hoses, and the diameter of the second pipeline 9 is 3 times of that of the first pipeline 7.

In general terms: the cap 4 is opened, the metal liquid is poured into the inner container 3 through the feed port 3a, and the sieve tray 6b is inserted into the case 6 a. Slag generated by the refining furnace 8 enters the box body 6a through the second pipeline 9 and the slag inlet 6a1, the screen tray 6b screens the slag, the liquid slag falls into the bottom of the box body 6a, and the solid slag is left in the screen tray 6 b. The liquid slag enters the cap 4 through the slag outlet 6a2 and the first pipe 7, and then falls down to the inside of the inner container 3, the sieve tray 6b is drawn out, and the solid slag left on the sieve tray 6b is poured into the inside of the inner container 3. After the coil 5 is electrified, a magnetic field is generated, the metal liquid and the slag cut magnetic induction lines to generate electric energy and heat, so that the purpose of smelting the metal liquid and the slag is achieved, new slag generated in the inner container 3 is taken out through the feeding hole 3a, and the smelted metal liquid flows out through the discharging hole 3 b. The intermediate frequency furnace realizes the purpose of conveying the slag of the refining furnace to the intermediate frequency furnace and improving the new slag discharging efficiency of the intermediate frequency furnace by utilizing the slag of the refining furnace.

Further, as shown in fig. 2, the screen tray 6b has a rectangular parallelepiped shape, the screen tray 6b includes a square frame 6b1, a screen plate 6b2, and a handle 6b3, the screen plate 6b2 is provided on the bottom surface of the square frame 6b1, and the handle 6b3 is provided at one end of the square frame 6b 1. A movable hole 6a3 is arranged in the middle of the side plate of the box body 6a, a slot 6a4 is arranged on the inner wall of the side plate of the box body 6a corresponding to the movable hole 6a3, and one end of the screen plate 6b2 far away from the handle 6b3 movably penetrates through the movable hole 6a3 and is matched with the slot 6a 4. An operator moves the screen tray 6b through the handle 6b3, so that the screen tray 6b moves in the movable hole 6a3 and the slot 6a4, the screen tray 6b is inserted in the box body 6a, and the screen tray 6b is convenient to collect and convey solid slag.

Further, as shown in fig. 3, the cap 4 includes a cap body 4a and a metal tube 4b, the metal tube 4b is disposed inside the cap body 4a, a plurality of small holes 4b1 are disposed on the metal tube 4b, and the first pipe 8 passes through the cap body 4a and communicates with the metal tube 4 b. The liquid slag enters the metal pipe 4b in the cap body 4a through the first pipeline 8 and falls into the inner container 3 through the small hole 4b1 on the metal pipe 4 b. The liquid slag and the metal liquid in the inner container 3 are smelted together, so that the efficiency of discharging new slag from the intermediate frequency furnace can be improved.

Although more use is made herein of 1, the housing; 2. a support; 3. an inner container; 3a, a feed inlet; 3b, a discharge hole; 4. capping; 4a, a cap body; 4b, a metal tube; 4b1, small hole; 5. a coil; 6. a slag conveying mechanism; 6a, a box body; 6a1 and a slag inlet; 6a2, slag outlet; 6a3, a movable hole; 6a4, slot; 6b, a sieve tray; 6b1, square frame; 6b2, sieve plate; 6b3, handle; 7. a first pipeline; 8. a refining furnace; 9. a second pipeline; 10. damping springs, etc., but does not exclude the possibility of using other terms. These terms are used merely to more conveniently describe and explain the nature of the present invention and they are to be interpreted as any additional limitation which is contrary to the spirit of the present invention.

Claims

1. The intermediate frequency furnace with the slag conveying mechanism comprises a shell (1), wherein a support (2) is arranged at the lower end of the shell (1), and is characterized in that a liner (3) is arranged in the shell (1), a feed inlet (3a) at the upper end of the liner (3) penetrates through the upper end of the shell (1), a cover cap (4) communicated with the interior of the liner (3) is arranged at the upper end of the liner (3), a coil (5) is arranged around the outer ring of the liner (3), a discharge outlet (3b) is arranged at the lower end of the liner (3), and the discharge outlet (3b) penetrates through a bottom plate of the shell (1) and the support (2); a slag conveying mechanism (6) is arranged on one side of the shell (1), the slag conveying mechanism (6) comprises a box body (6a) and a sieve tray (6b), the sieve tray (6b) is movably inserted in the middle of the box body (6a), a slag inlet (6a1) is formed in the upper end of the box body (6a), a slag outlet (6a2) is formed in the lower end of the box body (6a), and the slag outlet (6a2) is communicated with the cover cap (4) through a first pipeline (7); one side of the slag conveying mechanism (6) is provided with a refining furnace (8), and the slag inlet (6a1) is communicated with the refining furnace (8) through a second pipeline (9).

2. The intermediate frequency furnace with slag transport mechanism according to claim 1, characterized in that the screen tray (6b) has a rectangular parallelepiped shape, the screen tray (6b) includes a square frame (6b1), a screen plate (6b2), and a handle (6b3), the screen plate (6b2) is provided on a bottom surface of the square frame (6b1), and the handle (6b3) is provided at one end of the square frame (6b 1).

3. The intermediate frequency furnace with the slag conveying mechanism according to claim 2, characterized in that a movable hole (6a3) is formed in the middle of a side plate of the box body (6a), a slot (6a4) is formed in the inner wall of the side plate of the box body (6a) corresponding to the movable hole (6a3), and one end of the screen plate (6b2) far away from the handle (6b3) movably penetrates through the movable hole (6a3) and is matched with the slot (6a 4).

4. The intermediate frequency furnace with the slag conveying mechanism according to claim 1 or 3, wherein the cap (4) comprises a cap body (4a) and a metal pipe (4b), the metal pipe (4b) is arranged inside the cap body (4a), a plurality of small holes (4b1) are formed in the metal pipe (4b), and the first pipeline (7) penetrates through the cap body (4a) to be communicated with the metal pipe (4 b).

5. The intermediate frequency furnace with slag transport mechanism according to claim 4, characterized in that the bottom surface of the inside of the box (6a) is disposed obliquely toward the slag outlet (6a 2).

6. The intermediate frequency furnace with slag conveying mechanism according to claim 1 or 3, characterized in that the first pipe (7) and the second pipe (9) are both flexible hoses, and the diameter of the second pipe (9) is 3 times the diameter of the first pipe (7).

7. The intermediate frequency furnace with slag conveying mechanism according to claim 1 or 3, characterized in that a plurality of damping springs (10) are arranged between the bottom surface of the inner container (3) and the bottom surface of the inside of the outer shell (1).