CN114576999A

CN114576999A - Automatic feeding device for medium-frequency smelting furnace stream inoculant

Info

Publication number: CN114576999A
Application number: CN202011365944.0A
Authority: CN
Inventors: 夏传林; 陈洪昌; 王夏军
Original assignee: Cssc Marine Power Components Co ltd; Hudong Heavy Machinery Co Ltd
Current assignee: Cssc Marine Power Components Co ltd; Hudong Heavy Machinery Co Ltd
Priority date: 2020-11-29
Filing date: 2020-11-29
Publication date: 2022-06-03

Abstract

The invention relates to the technical field of automatic feeding of medium-frequency smelting furnaces, and discloses an automatic feeding device of a medium-frequency smelting furnace stream inoculant. According to the invention, through the cooperation of the inoculant hopper support, the inoculant hopper, the insert plate gate valve and the process adjusting gear gate, the speed and the amount of the inoculant discharged are controlled by using the insert plate gate valve and the process adjusting gear gate, so that the problem of adding the inoculant by manual shoveling is effectively solved, the inoculant is added mechanically instead of manually, the workload of workers is saved, the inoculant adding time is shortened, the inoculant adding efficiency is improved, the inoculant adding uniformity is improved, and the risk of accidents of the workers is reduced.

Description

Automatic feeding device for medium-frequency smelting furnace stream inoculant

Technical Field

The invention relates to the technical field of automatic feeding of medium-frequency smelting furnaces, in particular to an automatic feeding device of a stream inoculant of a medium-frequency smelting furnace.

Background

The medium-frequency smelting furnace generates high-density magnetic lines in the induction coil and cuts metal materials contained in the induction coil to generate large eddy currents in the metal materials, the eddy currents also have some properties of medium-frequency current, namely, free electrons of metal self flow in a metal body with resistance to generate heat, and in the metal smelting process, part of smelting process requirements need to be added with inoculant uniformly according to proportion while molten metal is discharged, so that the purpose of improving material performance is achieved.

However, in the existing tapping stream inoculation mode of the smelting furnace, the inoculant is basically shoveled manually, the feeding speed of the inoculant is controlled manually, the high-temperature radiation of a furnace body during the period leads the working condition of the operation to be severe, workers need to shovel the inoculant for many times under the high-temperature environment, the inoculant is added as uniformly as possible in cooperation with the tilting speed of the molten metal, meanwhile, the molten metal splashed in the tilting process also causes great potential safety hazard to the workers, the workers are easy to scald, and the risk of accidents when the workers add the stream inoculant is increased; the manual addition mode increases the workload of workers, prolongs the addition time of the inoculant, slows down the addition work progress of the inoculant, reduces the addition work efficiency of the inoculant, increases the operation time and has poor uniformity; the manual adding mode increases the contact frequency of the working personnel and the intermediate frequency smelting furnace, and brings great hidden danger to the safety of the working personnel.

Disclosure of Invention

Aiming at the defects of the prior art, the invention provides the automatic feeding device of the medium-frequency smelting furnace stream inoculant, which has the advantages of replacing manual addition with mechanical addition of the stream inoculant, reducing the risk of accidents of adding the stream inoculant by workers, improving the uniformity of inoculant addition and realizing safe and efficient addition work, and solves the problems in the background art.

The invention provides the following technical scheme: an automatic feeding device of a medium frequency smelting furnace with a stream inoculant comprises a smelting furnace base, wherein a smelting furnace support is fixedly arranged on the front and the back of the right side of the upper surface of the smelting furnace base, one end, away from the smelting furnace base, of the smelting furnace support is movably connected with a connecting rod, one end, away from the smelting furnace support, of the connecting rod is fixedly connected with a medium frequency smelting furnace body, the upper end of the left side of the medium frequency smelting furnace body is fixedly connected with a reinforcing plate, the upper surface of the reinforcing plate is fixedly connected with a fixed block, one end, away from the reinforcing plate, of the fixed block is movably connected with a supporting rod, a top cover is fixedly arranged in the middle of the lower bottom surface of the supporting rod, a liquid outlet is fixedly arranged on the right side of the upper surface of the medium frequency smelting furnace body, an inoculant hopper support is fixedly connected with the right end of the connecting rod, and a T-shaped rod is movably sleeved at one end, away from the connecting rod, of the inoculant hopper support, the one end fixedly connected with inoculant hopper that inoculant hopper support was kept away from to T type pole, the reinforced pipe of lower extreme fixedly connected with of inoculant hopper, the picture peg gate valve has been cup jointed in the inside activity of reinforced pipe, the front of reinforced pipe is provided with technology and adjusts fender floodgate.

Preferably, the number of the smelting furnace supports is two, round rods are fixedly mounted on the back of the upper ends of the smelting furnace supports, and the round rods are mounted between the upper ends of the two smelting furnace supports.

Preferably, the number of the connecting rods is two, a rotating hole is formed in the right end of each connecting rod, and the inner wall of each rotating hole is movably sleeved with the outer wall of a round rod fixedly connected with the smelting furnace support.

Preferably, the inoculant hopper support is arc-shaped, a round hole is formed in the upper end of the inoculant hopper support, and the lower end of the inoculant hopper support is fixedly connected with the right end of the connecting rod.

Preferably, the outer wall of the cross rod in the T shape of the T-shaped rod is movably sleeved with the inner wall of the round hole formed in the upper end of the inoculant hopper support, the vertical rod in the T shape of the T-shaped rod is fixedly connected with the end, far away from the inoculant hopper, of the cross rod, and the vertical rod is installed at the position, far away from the inoculant hopper, of the inoculant hopper support.

Preferably, the fixed stop collar that has cup jointed of outer wall of picture peg gate valve, the discharge opening has been seted up to the upper surface of picture peg gate valve, and the lower extreme of discharge opening extends to the below of picture peg gate valve, the diameter value of the discharge opening that the upper surface of picture peg gate valve was seted up diminishes from a left side to the right side in proper order.

Compared with the prior art, the invention has the following beneficial effects:

1. according to the invention, through the cooperation of the inoculant hopper support, the inoculant hopper, the insert plate gate valve and the process adjusting gear gate, the speed and the amount of the inoculant discharged are controlled by using the insert plate gate valve and the process adjusting gear gate, so that the problem of adding the inoculant by manual shoveling is effectively solved, the inoculant is added mechanically instead of manually, the workload of workers is saved, the inoculant adding time is shortened, the inoculant adding efficiency is improved, the inoculant adding uniformity is improved, and the risk of accidents of the workers is reduced.

2. According to the invention, through the matching among the furnace body of the intermediate frequency smelting furnace, the supporting rod, the top cover and the liquid outlet, and by utilizing the installation of the top cover, the problem that molten metal splashes in the smelting process and the pouring process of metal products is effectively solved, the corrosion of the furnace body caused by the molten metal splashed to the outer wall of the furnace body of the intermediate frequency smelting furnace is avoided, the damaged area of the furnace body is increased, the service life of the furnace body is shortened, the maintenance and replacement cost of the furnace body is increased, and the burning of clothes and even the burning loss of skin caused by the molten metal splashed to the body of a worker are also avoided.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a tilting view of the furnace body of the intermediate frequency smelting furnace of the present invention;

FIG. 3 is a right side view of an inoculant hopper of the present invention;

FIG. 4 is a top view of the gate insert valve of the present invention.

In the figure: 1. a smelting furnace base; 2. a smelting furnace support; 3. a connecting rod; 4. a furnace body of a medium-frequency smelting furnace; 5. a reinforcing plate; 6. a fixed block; 7. a support bar; 8. a top cover; 9. a liquid outlet; 10. a inoculant hopper support; 11. a T-shaped rod; 12. an inoculant hopper; 13. a feed conduit; 14. a flashboard gate valve; 15. and adjusting a gear brake by the process.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, an automatic feeding device of a medium frequency smelting furnace with a stream inoculant comprises a smelting furnace base 1, wherein the smelting furnace base 1 is installed to reinforce the stability of a metal smelting process, smelting furnace brackets 2 are fixedly installed on the front side and the back side of the right side of the upper surface of the smelting furnace base 1, the installation of the smelting furnace brackets 2 plays a role in connecting the installation of all parts and also reinforces the stability of the smelting furnace when the smelting furnace tilts, one end of each smelting furnace bracket 2, far away from the smelting furnace base 1, is movably connected with a connecting rod 3, the connecting rod 3 is arranged to play a role in connecting the installation of all parts, one end of each connecting rod 3, far away from the smelting furnace brackets 2, is fixedly connected with a medium frequency smelting furnace body 4, the upper end of the left side of the medium frequency smelting furnace body 4 is fixedly connected with a reinforcing plate 5, the upper surface of the reinforcing plate 5 is fixedly connected with a fixing block 6, and the reinforcing plate 5 is arranged to provide a platform and support for the installation of the fixing block 6, the end of the fixing block 6 far away from the reinforcing plate 5 is movably connected with a supporting rod 7, the middle part of the lower bottom surface of the supporting rod 7 is fixedly provided with a top cover 8, the installation of the top cover 8 reduces the splashing of the molten metal, the damage of the molten metal to the smelting furnace is avoided, the risk of accidents of workers is reduced, the corroded area of the smelting furnace is reduced, the service life of the smelting furnace is prolonged, the cost of maintaining and replacing the smelting furnace is reduced, the right side of the upper surface of the furnace body 4 of the intermediate frequency smelting furnace is fixedly provided with a liquid outlet 9, the liquid outlet 9 is set to provide an outlet for the outflow of the molten metal, the molten metal flows in a concentrated manner when flowing out, the overflow of the molten metal is avoided, the right end of the connecting rod 3 is fixedly connected with an inoculant hopper support 10, one end of the inoculant hopper support 10 far away from the connecting rod 3 is movably sleeved with a T-shaped rod 11, one end of the T-shaped rod 11 far away from the inoculant hopper support 10 is fixedly connected with an inoculant hopper 12, the arrangement of the T-shaped rod 11 is used for connecting the inoculant hopper support 10 and the inoculant hopper 12, the lower end of the inoculant hopper 12 is fixedly connected with the feeding guide pipe 13, the feeding guide pipe 13 is arranged to provide a passage for the inoculant to flow out, the inserting plate gate valve 14 is movably sleeved inside the feeding guide pipe 13, the process adjusting gear gate 15 is arranged on the front side of the feeding guide pipe 13, the inserting plate gate valve 14 and the process adjusting gear gate are used for adjusting the automatic discharging of the inoculant, the problem of manual feeding is effectively solved, the mode of replacing manual feeding with mechanical feeding is adopted, the phenomenon that metal liquid splashes to cause injury of workers in manual feeding is greatly avoided, the adding time of the inoculant is shortened due to the adoption of the mechanical feeding mode, the adding process of the inoculant is simplified, the working efficiency of adding the inoculant is improved, and the fusion uniformity of the inoculant and the metal liquid is also improved.

Wherein, the quantity of smelting furnace support 2 is two, and the back fixed mounting of smelting furnace support 2 upper end has the round bar, and the round bar is installed in two positions of smelting between the 2 upper ends of furnace support, and the round bar plays and connects the smelting furnace support 2 and the connecting rod 3 between be connected, the rotation of the connecting rod 3 of being convenient for at smelting furnace support 2 outer wall.

Wherein, the quantity of connecting rod 3 is two, and the rotation hole has been seted up to connecting rod 3 right-hand member, and the inner wall in rotation hole cup joints with the outer wall activity of smelting furnace support 2 fixed connection's round bar, and the setting in rotation hole is convenient for the operation of inclining of intermediate frequency smelting furnace body, the outflow of the metal liquid of being convenient for.

The inoculant hopper support 10 is arc-shaped, so that feeding of the smelting furnace is not influenced by the inoculant hopper support 10, the inoculant hopper support can be close to a furnace mouth at a reasonable height, a round hole is formed in the upper end of the inoculant hopper support 10, and the lower end of the inoculant hopper support 10 is fixedly connected with the right end of the connecting rod 3.

Wherein, the outer wall of the horizontal pole of the T style of calligraphy of T pole 11 cup joints with the inner wall activity of the round hole that inoculant hopper support 10 upper end was seted up, through the application of inoculant hopper 12 self-gravity, realize the angle of automatic adjustment inoculant hopper 12, thereby guarantee the relative fixation of reinforced pipe 13 and intermediate frequency furnace taphole position, realize the function of automatic inoculation agent that adds, the montant of T type pole 11T style of calligraphy is connected with the solid top of the one end that the horizontal pole kept away from inoculant hopper 12, and the montant is installed and is being located inoculant hopper support 10 and keeping away from the position of inoculant hopper 12, the condition that drops when inoculant hopper 12 installs is avoided to the mounted position of montant.

The limiting ring is fixedly sleeved on the outer wall of the inserting plate gate valve 14, the inserting plate gate valve 14 is prevented from falling off due to the limiting ring, the upper surface of the inserting plate gate valve 14 is provided with a discharge hole, the lower end of the discharge hole extends to the position below the inserting plate gate valve 14, the diameter value of the discharge hole formed in the upper surface of the inserting plate gate valve 14 is gradually decreased from left to right, and the diameter value of the discharge hole is deeply adjusted in discharging amount and speed.

The working principle is as follows: when the inoculant is used, before the smelting is started, the inoculant is firstly added into the inoculant hopper 12, the process adjusting gear gate 15 is rotated to set the adding gear of the inoculant, then the metal product is added into the intermediate frequency smelting furnace body 4 to be smelted, after the metal product is smelted into molten metal, the furnace body 4 of the intermediate frequency smelting furnace is poured out, the flashboard gate valve 14 is opened when the molten metal can be poured out of the intermediate frequency smelting furnace body 4, and finally the molten metal and the inoculant simultaneously flow into a specified loader, so that the adding work of the free-flowing inoculant can be completed.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or furnace that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or furnace. Meanwhile, in the drawings of the invention, the filling pattern is only used for distinguishing the layers and is not limited at all.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an intermediate frequency smelting furnace is with flowing inoculant automatic material conveying device, includes smelting furnace base (1), its characterized in that: the front and the back of the right side of the upper surface of the smelting furnace base (1) are fixedly provided with a smelting furnace support (2), one end of the smelting furnace support (2) far away from the smelting furnace base (1) is movably connected with a connecting rod (3), one end of the connecting rod (3) far away from the smelting furnace support (2) is fixedly connected with an intermediate frequency smelting furnace body (4), the left upper end of the intermediate frequency smelting furnace body (4) is fixedly connected with a reinforcing plate (5), the upper surface of the reinforcing plate (5) is fixedly connected with a fixing block (6), one end of the fixing block (6) far away from the reinforcing plate (5) is movably connected with a supporting rod (7), the middle of the lower bottom surface of the supporting rod (7) is fixedly provided with a top cover (8), the right side of the upper surface of the intermediate frequency smelting furnace body (4) is fixedly provided with a liquid outlet (9), and the right end of the connecting rod (3) is fixedly connected with a inoculant hopper support (10), the one end activity of keeping away from connecting rod (3) of inoculant hopper support (10) has cup jointed T type pole (11), the one end fixedly connected with inoculant hopper (12) of inoculant hopper support (10) are kept away from in T type pole (11), the reinforced pipe (13) of lower extreme fixedly connected with of inoculant hopper (12), picture peg gate valve (14) have been cup jointed in the inside activity of reinforced pipe (13), the front of reinforced pipe (13) is provided with technology regulation fender position floodgate (15).

2. The automatic feeding device of the stream inoculant of the medium-frequency smelting furnace as claimed in claim 1, wherein: the smelting furnace comprises two smelting furnace supports (2), wherein round rods are fixedly mounted on the back of the upper ends of the smelting furnace supports (2), and are mounted between the upper ends of the two smelting furnace supports (2).

3. The automatic feeding device of the stream inoculant of the medium-frequency smelting furnace as claimed in claim 1, wherein: the smelting furnace is characterized in that the number of the connecting rods (3) is two, a rotating hole is formed in the right end of each connecting rod (3), and the inner wall of the rotating hole is movably sleeved with the outer wall of a round rod fixedly connected with the smelting furnace support (2).

4. The automatic feeding device of the stream inoculant of the medium-frequency smelting furnace as claimed in claim 1, wherein: the inoculant hopper support (10) is arc-shaped, a round hole is formed in the upper end of the inoculant hopper support (10), and the lower end of the inoculant hopper support (10) is fixedly connected with the right end of the connecting rod (3).

5. The automatic feeding device of the stream inoculant of the medium-frequency smelting furnace as claimed in claim 1, wherein: the outer wall of the cross rod of the T-shaped rod (11) is movably sleeved with the inner wall of the round hole formed in the upper end of the inoculant hopper support (10), the vertical rod of the T-shaped rod (11) is fixedly connected with the top of one end, far away from the inoculant hopper (12), of the cross rod, and the vertical rod is installed at the position, far away from the inoculant hopper (12), of the inoculant hopper support (10).

6. The automatic feeding device of the stream inoculant of the medium-frequency smelting furnace as claimed in claim 1, wherein: the fixed spacing ring that has cup jointed of outer wall of picture peg gate valve (14), the discharge opening has been seted up to the upper surface of picture peg gate valve (14), and the lower extreme of discharge opening extends to the below of picture peg gate valve (14), the diameter value of the discharge opening that picture peg gate valve (14) upper surface was seted up diminishes from a left side to the right side in proper order.