A smelting furnace convenient for removing impurities

Abstract

The utility model relates to the field of nickel-chromium electrothermal alloy preparation, in particular to a smelting furnace which is convenient for removing impurities, comprising: a furnace body; a smelting mechanism, wherein the smelting mechanism is installed inside the furnace body and can smelt the nickel-chromium electrothermal alloy; when the nickel-chromium electrothermal alloy is smelted, the nickel-chromium electrothermal alloy raw material is put into the inside of a smelting tube, and the nickel-chromium electrothermal alloy raw material is smelted by an electric heating coil, so that the raw material is converted from a solid state to a liquid state, and at the same time, the smelting tube is tilted by the extension and contraction of an electric push rod, and liquid is poured into the top of an upper concave sleeve, and when the liquid enters the top of the upper concave sleeve, it flows to the inner cavity of a cavity through a filter plate, and the impurities in the liquid are filtered by the filter plate, and at the same time, the liquid descends along the guide cavity and is discharged through a drainage ring and a grid plate inside the liquid.

Description

Technical Field

[0001] The utility model relates to the field of nickel-chromium electric heating alloy preparation, in particular to a smelting furnace which is convenient for removing impurities. Background Art

[0002] Nickel-chromium electric heating alloy has high high temperature strength, strong plasticity, excellent ductility, compressive strength, surface finish, stable coefficients and reasonable price. It is widely used in aerospace, military industry, medical equipment and other fields. However, the smelting, cooling and collection of nickel-chromium electric heating alloy raw materials is an essential production process;

[0003] After searching, it is found that the authorization announcement number is CN213208615U, which is a vacuum melting device for raw materials used in the production of nickel-chromium electric heating alloy. Although the device has the advantages of melting, cooling and collecting in one and simplifying the production process, the device cannot eliminate impurities and bubbles in the nickel-chromium electric heating alloy liquid after melting, which can easily lead to weakened mechanical properties during the preparation of nickel-chromium electric heating alloy, and then easily lead to reduced corrosion resistance of nickel-chromium electric heating alloy, shortening the service life of the alloy.

[0004] Therefore, a smelting furnace which is convenient for removing impurities is proposed to solve the above problems. Utility Model Content

[0005] The purpose of the utility model is to provide a smelting furnace that is convenient for removing impurities in order to solve the above-mentioned problem, thereby improving the problem that the device cannot eliminate impurities and bubbles in the nickel-chromium electric heating alloy liquid after smelting, which easily leads to weakened mechanical properties during the preparation of the nickel-chromium electric heating alloy, and then easily leads to reduced corrosion resistance of the nickel-chromium electric heating alloy, shortening the service life of the alloy.

[0006] The utility model achieves the above-mentioned purpose through the following technical scheme. A smelting furnace that is convenient for removing impurities comprises: a furnace body; a smelting mechanism, wherein the smelting mechanism is installed inside the furnace body and can smelt nickel-chromium electrothermal alloy; wherein the smelting mechanism comprises a smelting filter installed in the inner cavity of the furnace body, a cooler is installed at the bottom of the inner cavity of the furnace body, the smelting filter comprises an upper concave sleeve installed on one side of the inner cavity of the furnace body, a cavity is opened inside the upper concave sleeve, a filter plate is fixedly installed on the top of the cavity, a lower protruding connecting seat is installed at the bottom of the upper concave sleeve, a protruding portion is arranged on the top of the lower protruding connecting seat, and the protruding portion and the cavity together constitute a guiding cavity.

[0007] Preferably, a drain ring is fixedly installed between the upper concave sleeve and the lower convex connecting seat, and a grid plate is arranged inside the drain ring.

[0008] Preferably, a support plate is fixedly installed on the other side of the inner cavity of the furnace body, a rotating shaft seat is hinged on one side of the support plate, a smelting cylinder is fixedly installed on the top of the rotating shaft seat, and an electric heating coil is installed on the bottom of the surface of the smelting cylinder.

[0009] Preferably, a fixing seat is fixedly installed on one side of the top of the inner cavity of the furnace body, and electric push rods are rotatably installed at both front and rear ends of the fixing seat. The telescopic end of the electric push rod is hinged with a hinged rod, and one end of the hinged rod is fixedly connected to the smelting tube.

[0010] Preferably, the cooler comprises a shell fixedly mounted on the bottom of the inner cavity of the furnace, a condenser is mounted on one side of the inner part of the shell, and a condensation plate is fixedly mounted inside the shell and on the top of the condenser.

[0011] Preferably, a collecting box is fixedly installed at the bottom of the inner cavity of the furnace body and on one side of the shell, and the bottom of one side of the collecting box is connected to a discharge pipe, one end of the discharge pipe passes through the furnace body and extends to the outside of the furnace body, and a valve is installed on the surface of the discharge pipe.

[0012] Preferably, a vacuum pump is provided at the bottom of one side of the furnace body, an air inlet end of the vacuum pump is connected to a connecting pipe, and one end of the connecting pipe is connected to one side of the furnace body.

[0013] Preferably, a movable door is hinged on one side of the front surface of the furnace body, and a handle is installed on one side of the surface of the movable door.

[0014] The beneficial effects of the utility model are:

[0015] 1. When smelting the nickel-chromium electric heating alloy, the nickel-chromium electric heating alloy raw material is put into the inside of the smelting cylinder, and the nickel-chromium electric heating alloy raw material is smelted by the electric heating coil to convert the raw material from solid to liquid. At the same time, the smelting cylinder is tilted by the extension and contraction of the electric push rod, and the liquid is poured into the top of the upper concave sleeve. When the liquid enters the top of the upper concave sleeve, it flows to the inner cavity of the cavity through the filter plate, and the impurities in the liquid are filtered by the filter plate. At the same time, the liquid descends along the guide cavity and is discharged through the drain ring and the grid plate inside it, which facilitates the discharge of impurities and bubbles in the nickel-chromium electric heating alloy liquid to avoid affecting the mechanical properties and corrosion resistance of the nickel-chromium electric heating alloy.

[0016] 2. After the nickel-chromium electrothermal alloy liquid is discharged through the drain ring, the liquid automatically falls to the top of the condensation plate, and the condensation plate is cooled inside the shell through the condenser, so that the nickel-chromium electrothermal alloy liquid automatically cools down while flowing along the condensation plate and slowly flows into the inside of the collection box, which has the advantage of being able to easily cool the nickel-chromium electrothermal alloy liquid, so as to improve the efficiency of nickel-chromium electrothermal alloy preparation. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the structure of the utility model;

[0018] Figure 2 It is a cross-sectional structural schematic diagram of the utility model;

[0019] Figure 3 It is a partial structural schematic diagram of the smelting filter of the utility model;

[0020] Figure 4 This is a schematic diagram of the structure of the rotating shaft seat of the utility model;

[0021] Figure 5 This is a schematic diagram of the cooler structure of the utility model.

[0022] In the figure: 10, furnace body; 11, vacuum pump; 12, connecting pipe; 13, movable door; 20, smelting mechanism; 21, smelting filter; 211, upper concave sleeve; 212, cavity; 213, filter plate; 214, lower protruding connecting seat; 215, protruding part; 216, drain ring; 217, support plate; 218, shaft seat; 219, smelting cylinder; 2101, electric heating coil; 2102, fixed seat; 2103, electric push rod; 2104, hinged rod; 22, cooler; 221, shell; 222, condenser; 223, condensation plate; 224, collecting box; 225, discharge pipe; 226, valve. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] When implementing: Figure 1-5 As shown, a smelting furnace for easy removal of impurities includes: a furnace body 10; a smelting mechanism 20, which is installed inside the furnace body 10 and can smelt nickel-chromium electrothermal alloy; a vacuum pump 11 is arranged at the bottom of one side of the furnace body 10, and the air inlet end of the vacuum pump 11 is connected to a connecting pipe 12, and one end of the connecting pipe 12 is connected to one side of the furnace body 10; a movable door 13 is hinged on one side of the front surface of the furnace body 10, and a handle is installed on one side of the surface of the movable door 13.

[0025] like Figure 2 , Figure 3 and Figure 4As shown, the smelting mechanism 20 includes a smelting filter 21 installed in the inner cavity of the furnace body 10, a cooler 22 is installed at the bottom of the inner cavity of the furnace body 10, and the smelting filter 21 includes an upper concave sleeve 211 installed on one side of the inner cavity of the furnace body 10, a cavity 212 is opened inside the upper concave sleeve 211, a filter plate 213 is fixedly installed on the top of the cavity 212, a lower protruding connecting seat 214 is installed at the bottom of the upper concave sleeve 211, and a protruding portion 215 is arranged on the top of the lower protruding connecting seat 214, and the protruding portion 215 and the cavity 212 together constitute a guiding cavity; a drainage ring 216 is fixedly installed between the upper concave sleeve 211 and the lower protruding connecting seat 214, and a grid plate is arranged inside the drainage ring 216;

[0026] In this embodiment, when the liquid enters the top of the upper concave sleeve 211, it flows to the inner cavity of the cavity 212 through the filter plate 213, and the impurities in the liquid are filtered by the filter plate 213. At the same time, the liquid descends along the guide cavity and is discharged through the drain ring 216 and the grid plate inside it, and the bubbles in the liquid are broken by the grid plate.

[0027] A support plate 217 is fixedly installed on the other side of the inner cavity of the furnace body 10, and a rotating shaft seat 218 is hinged on one side of the support plate 217. A smelting cylinder 219 is fixedly installed on the top of the rotating shaft seat 218, and an electric heating coil 2101 is installed on the bottom of the surface of the smelting cylinder 219; a fixed seat 2102 is fixedly installed on one side of the top of the inner cavity of the furnace body 10, and electric push rods 2103 are rotatably installed at both the front and rear ends of the fixed seat 2102, and the telescopic end of the electric push rod 2103 is hinged with a hinged rod 2104, and one end of the hinged rod 2104 is fixedly connected to the smelting cylinder 219;

[0028] In this embodiment, the nickel-chromium electrothermal alloy raw material is placed into the interior of the smelting tube 219, and the nickel-chromium electrothermal alloy raw material is smelted by the electric heating coil 2101 to convert the raw material from solid to liquid. At the same time, the smelting tube 219 is tilted by the extension and retraction of the electric push rod 2103 to pour the liquid into the top of the upper concave sleeve 211.

[0029] like Figure 2 and Figure 5 As shown, the cooler 22 includes a shell 221 fixedly mounted on the bottom of the inner cavity of the furnace body 10, a condenser 222 is mounted on one side of the inner portion of the shell 221, and a condensation plate 223 is fixedly mounted on the inner portion of the shell 221 and located on the top of the condenser 222; a collecting box 224 is fixedly mounted on the bottom of the inner cavity of the furnace body 10 and located on one side of the shell 221, and a discharge pipe 225 is connected to the bottom of one side of the collecting box 224, one end of the discharge pipe 225 penetrates the furnace body 10 and extends to the outside of the furnace body 10, and a valve 226 is mounted on the surface of the discharge pipe 225;

[0030] The liquid automatically falls to the top of the condensation plate 223 , and the condensation plate 223 is cooled inside the shell 221 through the condenser 222 , so that the nickel-chromium electrothermal alloy liquid automatically cools down while flowing along the condensation plate 223 and slowly flows into the interior of the collection box 224 .

[0031] When the nickel-chromium electrothermal alloy is smelted, the nickel-chromium electrothermal alloy raw material is put into the interior of the smelting cylinder 219, and the electric heating coil 2101 is used to melt the nickel-chromium electrothermal alloy raw material, so that the raw material is converted from solid to liquid. At the same time, the smelting cylinder 219 is tilted by the extension and contraction of the electric push rod 2103, and the liquid is poured into the top of the upper concave sleeve 211. When the liquid enters the top of the upper concave sleeve 211, it flows to the inner cavity of the cavity 212 through the filter plate 213, and the impurities in the liquid are filtered by the filter plate 213. At the same time, the liquid descends along the guide cavity and is discharged through the drain ring 216 and the grid plate inside it, and the bubbles in the liquid are broken by the grid plate. At the same time, the liquid automatically falls to the top of the condensation plate 223, and the condensation plate 223 is cooled inside the shell 221 through the condenser 222, so that the nickel-chromium electrothermal alloy liquid is automatically cooled when flowing along the condensation plate 223, and slowly flows into the interior of the collection box 224.

[0032] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A smelting furnace that is convenient for removing impurities, characterized in that: include: Furnace body (10); A smelting mechanism (20), wherein the smelting mechanism (20) is installed inside the furnace body (10) and can smelt the nickel-chromium electrothermal alloy; The smelting mechanism (20) comprises a smelting filter (21) installed in the inner cavity of the furnace body (10), a cooler (22) is installed at the bottom of the inner cavity of the furnace body (10), the smelting filter (21) comprises an upper concave sleeve (211) installed on one side of the inner cavity of the furnace body (10), a cavity (212) is opened inside the upper concave sleeve (211), a filter plate (213) is fixedly installed on the top of the cavity (212), a lower protruding connecting seat (214) is installed at the bottom of the upper concave sleeve (211), a protruding portion (215) is arranged on the top of the lower protruding connecting seat (214), and the protruding portion (215) and the cavity (212) together constitute a guiding cavity.

2. A smelting furnace for facilitating removal of impurities according to claim 1, characterized in that: A drainage ring (216) is fixedly installed between the upper concave sleeve (211) and the lower convex connecting seat (214), and a grid plate is arranged inside the drainage ring (216).

3. A smelting furnace for facilitating removal of impurities according to claim 1, characterized in that: A support plate (217) is fixedly installed on the other side of the inner cavity of the furnace body (10), a rotating shaft seat (218) is hinged on one side of the support plate (217), a smelting cylinder (219) is fixedly installed on the top of the rotating shaft seat (218), and an electric heating coil (2101) is installed at the bottom of the surface of the smelting cylinder (219).

4. A smelting furnace for facilitating removal of impurities according to claim 3, characterized in that: A fixing seat (2102) is fixedly installed on one side of the top of the inner cavity of the furnace body (10), and electric push rods (2103) are rotatably installed at both the front and rear ends of the fixing seat (2102). The telescopic end of the electric push rod (2103) is hinged with a hinged rod (2104), and one end of the hinged rod (2104) is fixedly connected to the smelting tube (219).

5. A smelting furnace for facilitating removal of impurities according to claim 1, characterized in that: The cooler (22) comprises a shell (221) fixedly mounted on the bottom of the inner cavity of the furnace body (10), a condenser (222) being mounted on one side inside the shell (221), and a condensation plate (223) being fixedly mounted inside the shell (221) and on the top of the condenser (222).

6. A smelting furnace for facilitating removal of impurities according to claim 5, characterized in that: A collecting box (224) is fixedly installed at the bottom of the inner cavity of the furnace body (10) and located on one side of the shell (221); a discharge pipe (225) is connected to the bottom of one side of the collecting box (224); one end of the discharge pipe (225) passes through the furnace body (10) and extends to the outside of the furnace body (10); and a valve (226) is installed on the surface of the discharge pipe (225).

7. A smelting furnace for facilitating removal of impurities according to claim 1, characterized in that: A vacuum pump (11) is provided at the bottom of one side of the furnace body (10), an air inlet end of the vacuum pump (11) is connected to a connecting pipe (12), and one end of the connecting pipe (12) is connected to one side of the furnace body (10).

8. The smelting furnace for facilitating the removal of impurities according to claim 1, characterized in that: A movable door (13) is hingedly connected to one side of the front surface of the furnace body (10), and a handle is installed on one side of the surface of the movable door (13).

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