A medium frequency induction melting furnace for pipe fittings

Abstract

The utility model relates to the technical field of medium frequency induction melting furnaces, and specifically to a medium frequency induction melting furnace for pipe fittings, comprising a base, a crucible furnace, a jacket, a heating wire, a cover plate, a feed port, a purification box, a fan and a purification mechanism, wherein the crucible furnace is fixedly arranged on the base, the jacket is arranged on the side wall of the crucible furnace, the heating wire is wound in the jacket, the cover plate is fixedly arranged on the crucible furnace, the feed port is arranged on the cover plate, the purification box is arranged on one side of the base, an air outlet is arranged on the purification box, the fan is fixedly arranged between the purification box and the base, the fan input end is connected to the crucible furnace, the fan output end extends into the purification box, the purification mechanism is arranged in the purification box, and is used for purifying waste gas generated in the smelting process, and through the above technical scheme, it is convenient to treat and purify the waste gas through purification liquid and activated carbon particles, thereby solving the problem of poor purification effect of waste gas generated in the working process of the smelting furnace in the related technology.

Description

Technical Field

[0001] The utility model relates to the technical field of medium frequency induction melting furnaces, in particular to a medium frequency induction melting furnace for pipe fittings. Background Art

[0002] Pipe fittings are a general term for parts that play the role of connection, control, direction change, diversion, sealing, support, etc. in the pipeline system. During the processing of pipeline parts, the raw materials need to be melted in a medium frequency induction melting furnace, and then the molten raw materials are molded to obtain pipeline parts. Among them, the medium frequency induction melting furnace is a kind of melting furnace with the characteristics of small size and light weight.

[0003] The medium frequency induction melting furnace in the prior art is to add raw materials into the crucible furnace during use, and then heat the crucible furnace to melt the raw materials. For example, the patent document with publication number CN212320393U discloses an aluminum-magnesium alloy high-efficiency melting furnace, including a melting furnace body, a crucible furnace, a fixed cover, a circulation pump, a TC200 heating controller and a refrigerator. A cooling water chamber is provided on the inner side of the melting furnace body, and an NTC temperature sensor is distributed at the bottom of the cooling water chamber. The interior of the melting furnace body is provided with a A crucible furnace is provided, an electric heating wire heating device is provided at the outer end of the crucible furnace, a fixed cover is provided at the top of the crucible furnace, the right end of the smelting furnace body is connected with a circulation pump through a circulation inlet pipe, the bottom left end of the circulation pump is connected to the left end of the smelting furnace body through a circulation outlet pipe, a refrigerator is provided in the middle of the circulation outlet pipe, a filter element is provided at the bottom of the circulation outlet pipe, the heating and smelting of aluminum-magnesium alloy is controlled, the water in the cooling water cavity can be circulated efficiently, the precise internal temperature can be monitored in real time, impurities can be filtered and purified, it is easy to install and disassemble, and it is easy to use.

[0004] However, in the process of melting the raw materials through the smelting furnace, certain waste gases will be released when the raw materials are heated and melted, such as smoke, benzene substances, sulfides and nitrides. In the above technical solution, it is not convenient to filter and purify the gases generated by smelting magnesium alloys, which is easy to cause air pollution, affect the working environment of the staff, and reduce the practicality of the device. Utility Model Content

[0005] The utility model provides a medium frequency induction melting furnace for pipe fittings, which solves the problem in the related art that the waste gas generated during the operation of the melting furnace has a poor purification effect.

[0006] The technical solution of the utility model is as follows: a medium frequency induction melting furnace for pipe fittings, comprising a base, a crucible furnace, a jacket, a heating wire, a cover plate, a feed port, a purification box, a fan and a purification mechanism;

[0007] The crucible furnace is fixedly arranged on the base;

[0008] The jacket is provided on the side wall of the crucible furnace;

[0009] The heating wire is wound and arranged in the jacket;

[0010] The cover plate is fixedly arranged on the crucible furnace;

[0011] The feed port is opened on the cover plate;

[0012] The purification box is opened on one side of the base, and an air outlet is provided on the purification box;

[0013] The fan is fixedly arranged between the purification box and the base, the fan input end is connected to the crucible furnace, and the fan output end extends into the purification box;

[0014] The purification mechanism is arranged in the purification box and is used for purifying the waste gas generated during the smelting process.

[0015] Preferably, the purification mechanism comprises:

[0016] A purification tank, the purification tank is arranged on the inner bottom wall of the purification box, and the purification tank is filled with purification liquid;

[0017] a first cavity, the first cavity being disposed on a side of the purification tank away from the purification box;

[0018] a first air inlet pipe, wherein the first air inlet pipe is rotatably disposed at the bottom of the purification tank, one end of the first air inlet pipe is rotatably connected to the inner bottom wall of the first cavity, and the other end of the first air inlet pipe is sealed;

[0019] Wherein, the output end of the fan passes through the inner bottom wall of the first cavity and extends into the first air inlet pipe;

[0020] a second air intake pipe, wherein the second air intake pipe is provided in plurality, and the plurality of second air intake pipes are connected and arranged on the first air intake pipe;

[0021] An air inlet, each of the second air inlet pipes is provided with a plurality of the air inlets, and a check valve is provided in the air inlet;

[0022] a rotating mechanism, the rotating mechanism being disposed in the first cavity and being used to control the first air inlet pipe to rotate;

[0023] A stirring mechanism, the stirring mechanism is arranged in the purification tank and is used to drive the exhaust gas to mix with the purification liquid;

[0024] An adsorption mechanism is disposed in the purification box and is used for adsorbing the waste gas passing through the purification liquid.

[0025] Furthermore, the rotating mechanism comprises:

[0026] a first annular rack, the first annular rack being fixedly disposed on the first air inlet pipe;

[0027] A first gear, the first gear is rotatably disposed in the first cavity, and the first gear is meshed with the first annular rack;

[0028] A first motor is fixedly disposed in the purification box, and an output end of the first motor is fixedly connected to the first gear.

[0029] In another step, the stirring mechanism comprises:

[0030] A support plate, the support plate is fixedly disposed on the first air inlet pipe, and a plurality of air holes are disposed on the support plate;

[0031] A stirring column, wherein the stirring column is provided in plurality, and the plurality of stirring columns are rotatably arranged on the supporting plate;

[0032] A stirring rod, wherein a plurality of the stirring rods are evenly distributed on each stirring column;

[0033] A driving mechanism is arranged on the supporting disk and is used to control the stirring column to rotate.

[0034] Furthermore, the driving mechanism comprises:

[0035] A driving groove, the driving groove is arranged in a ring shape and is opened on the supporting plate;

[0036] a second gear, the second gear being arranged in the driving groove for rotation corresponding to the stirring column, the second gear being fixedly connected to the stirring column;

[0037] A driving ring, the driving ring is fixedly arranged on the side wall of the purification tank corresponding to the driving groove, and the driving ring extends into the driving groove;

[0038] A second annular rack, wherein the second annular rack is fixedly disposed on the driving ring, and the second annular rack is meshed with the second gear.

[0039] On the basis of the above scheme, the adsorption mechanism includes:

[0040] An adsorption disk, the adsorption disk is arranged in the purification box;

[0041] A suction port, wherein the suction port is provided in plurality, and the plurality of suction ports are provided on the suction plate;

[0042] Filter plates, two filter plates are fixedly arranged at both ends of each adsorption port;

[0043] A spiral rod, wherein the spiral rod is arranged in the adsorption port, and both ends of the spiral rod are fixedly connected to the filter plate respectively;

[0044] Activated carbon particles are filled in the adsorption port, and the adsorption port particles are located between the two filter plates.

[0045] The working principle and beneficial effects of the utility model are:

[0046] 1. In the utility model, through the setting of the purification mechanism, the exhaust gas in the crucible furnace can be sucked into the first air inlet pipe through the operation of the fan, and then ventilation into the purified liquid is achieved through the second air inlet pipe and the air inlet. At the same time, the operator controls the operation of the first motor, so that the first air inlet pipe is driven to rotate through the meshing of the first gear and the first annular rack, so that the second air inlet pipe is moved to achieve uniform air supply into the purified liquid, thereby improving the purification efficiency;

[0047] 2. In the present invention, by setting the stirring mechanism, the rotation of the first air inlet pipe can drive the support plate and the second gear to move around the first air inlet pipe, and at the same time, the engagement of the second annular rack and the second gear drives the stirring column to rotate, so that the purification liquid can be stirred by the stirring rod, thereby improving the mixing degree of the exhaust gas and the purification liquid, and then improving the purification efficiency;

[0048] 3. In the present invention, the adsorption mechanism is arranged to facilitate the adsorption of the exhaust gas by the activated carbon particles in the adsorption port, thereby further improving the purification efficiency;

[0049] 4. In the utility model, by arranging the base, crucible furnace, jacket, heating wire, cover plate, feed port, purification box, fan and purification mechanism, it is convenient to treat and purify the exhaust gas through purification liquid and activated carbon particles, thereby solving the problem of poor purification effect of the exhaust gas generated during the operation of the smelting furnace in the related art. BRIEF DESCRIPTION OF THE DRAWINGS

[0050] The utility model is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0051] Figure 1 It is a schematic diagram of the structure of the utility model;

[0052] Figure 2 This is a schematic diagram of the cross-sectional structure of the utility model;

[0053] Figure 3 This is a schematic diagram of the structure of the stirring mechanism of the utility model;

[0054] Figure 4 It is a schematic diagram of the structure of the adsorption mechanism of the utility model.

[0055] In the figure: 1. base; 2. crucible furnace; 3. jacket; 4. heating wire; 5. feed port; 6. purification box; 7. fan; 8. first air inlet pipe; 9. second air inlet pipe; 10. first annular rack; 11. first gear; 12. support plate; 13. stirring column; 14. second gear; 15. drive ring; 16. adsorption plate; 17. filter plate; 18. screw rod. DETAILED DESCRIPTION

[0056] The following will be combined with 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 of 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.

[0057] like Figure 1~Figure 4 As shown, this embodiment proposes a medium frequency induction melting furnace for pipe fittings, including a base 1, a crucible furnace 2, a jacket 3, a heating wire 4, a cover plate, a feed port 5, a purification box 6, a fan 7 and a purification mechanism, the crucible furnace 2 is fixedly arranged on the base 1, the jacket 3 is arranged on the side wall of the crucible furnace 2, the heating wire 4 is wound in the jacket 3, the cover plate is fixedly arranged on the crucible furnace 2, the feed port 5 is arranged on the cover plate, the purification box 6 is arranged on one side of the base 1, the purification box 6 is provided with an air outlet, the fan 7 is fixedly arranged between the purification box 6 and the base 1, the input end of the fan 7 is connected to the crucible furnace 2, the output end of the fan 7 extends into the purification box 6, and the purification mechanism is arranged in the purification box 6 for purifying the exhaust gas generated during the smelting process.

[0058] Wherein, the purification mechanism includes a purification tank, a first cavity, a first air inlet pipe 8, a second air inlet pipe 9, an air inlet, a rotating mechanism, a stirring mechanism and an adsorption mechanism. The purification tank is arranged on the inner bottom wall of the purification box 6, and the purification tank is filled with a purification liquid. The first cavity is arranged on the side of the purification tank away from the purification box 6. The first air inlet pipe 8 is rotatably arranged at the bottom of the purification tank. One end of the first air inlet pipe 8 is rotatably connected to the inner bottom wall of the first cavity, and the other end of the first air inlet pipe 8 is sealed. The output end of the fan 7 passes through the inner bottom wall of the first cavity and extends into the first air inlet pipe 8. The second air inlet pipe 9 is arranged in plurality, and the plurality of second air inlet pipes 9 are connected and arranged on the first air inlet pipe 8, and each second air inlet pipe 9 is opened A plurality of air inlets are provided, and a check valve is provided in the air inlet. A rotating mechanism is provided in the first cavity for controlling the rotation of the first air inlet pipe 8. A stirring mechanism is provided in the purification tank for driving the exhaust gas to mix with the purification liquid. An adsorption mechanism is provided in the purification box 6 for adsorbing the exhaust gas passing through the purification liquid. The rotating mechanism includes a first annular rack 10, a first gear 11 and a first motor. The first annular rack 10 is fixedly provided on the first air inlet pipe 8, and the first gear 11 is rotatably provided in the first cavity. The first gear 11 is meshed with the first annular rack 10. The first motor is fixedly provided in the purification box 6, and the output end of the first motor is fixedly connected to the first gear 11.

[0059] Specifically, the exhaust gas in the crucible furnace 2 can be sucked into the first air inlet pipe 8 through the operation of the fan 7, and then ventilation to the purified liquid is achieved through the second air inlet pipe 9 and the air inlet. At the same time, the operator controls the operation of the first motor, so that the first air inlet pipe 8 is driven to rotate through the engagement of the first gear 11 and the first annular rack 10, so as to achieve uniform air supply to the purified liquid through the movement of the second air inlet pipe 9, thereby improving the purification efficiency.

[0060] Among them, the stirring mechanism includes a support plate 12, a stirring column 13, a stirring rod and a driving mechanism. The support plate 12 is fixedly arranged on the first air inlet pipe 8, and a plurality of air vents are arranged on the support plate 12. The stirring column 13 is arranged in plurality, and the plurality of stirring columns 13 are rotatably arranged on the support plate 12. A plurality of stirring rods are evenly distributed on each stirring column 13. The driving mechanism is arranged on the support plate 12 for controlling the rotation of the stirring column 13. The driving mechanism includes a driving groove, a second gear 14, a driving ring 15 and a second annular rack. The driving groove is arranged in an annular shape, and the driving groove is opened on the support plate 12. The second gear 14 is rotationally arranged in the driving groove corresponding to the stirring column 13. The second gear 14 is fixedly connected to the stirring column 13. The driving ring 15 is fixedly arranged on the side wall of the purification tank corresponding to the driving groove. The driving ring 15 extends into the driving groove. The second annular rack is fixedly arranged on the driving ring 15, and the second annular rack is meshed with the second gear 14.

[0061] Specifically, the rotation of the first air intake pipe 8 can drive the support plate 12 and the second gear 14 to move around the first air intake pipe 8, and at the same time, the engagement of the second annular rack and the second gear 14 can drive the stirring column 13 to rotate, so as to facilitate the stirring of the purified liquid by the stirring rod, thereby improving the mixing degree of the exhaust gas and the purified liquid, and then improving the purification efficiency.

[0062] Among them, the adsorption mechanism includes an adsorption disk 16, an adsorption port, a filter plate 17, a spiral rod 18 and activated carbon particles. The adsorption disk 16 is arranged in the purification box 6. The adsorption port is set to be multiple, and multiple adsorption ports are opened on the adsorption disk 16. Two filter plates 17 are fixedly arranged at both ends of each adsorption port. The spiral rod 18 is arranged in the adsorption port, and the two ends of the spiral rod 18 are fixedly connected to the filter plate 17 respectively. The activated carbon particles are filled and arranged in the adsorption port, and the adsorption port particles are located between the two filter plates 17.

[0063] Specifically, it is convenient to adsorb the exhaust gas through the activated carbon particles in the adsorption port, thereby further improving the purification efficiency.

[0064] In this embodiment, during the smelting process of the raw material in the crucible furnace 2, the operator controls the operation of the fan 7. Through the operation of the fan 7, the exhaust gas in the crucible furnace 2 can be sucked into the first air inlet pipe 8, and then ventilation to the purified liquid is achieved through the second air inlet pipe 9 and the air inlet. At the same time, the operator controls the operation of the first motor, so that the first air inlet pipe 8 is driven to rotate through the engagement of the first gear 11 and the first annular rack 10, so that uniform air supply to the purified liquid can be achieved through the movement of the second air inlet pipe 9. The rotation of the first air inlet pipe 8 can drive the support plate 12 and the second gear 14 to move around the first air inlet pipe 8. At the same time, the engagement of the second annular rack and the second gear 14 drives the stirring column 13 to rotate, so that the purified liquid is stirred by the stirring rod, thereby improving the mixing degree of the exhaust gas and the purified liquid, and then improving the purification efficiency. After that, the exhaust gas treated with the purified liquid enters the adsorption port through the air vent, and the exhaust gas is adsorbed by the activated carbon particles in the adsorption port, thereby further improving the purification efficiency.

[0065] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A medium frequency induction melting furnace for pipe fittings, characterized in that: include: Base (1); A crucible furnace (2), wherein the crucible furnace (2) is fixedly arranged on the base (1); A jacket (3), the jacket (3) being disposed on a side wall of the crucible furnace (2); A heating wire (4), the heating wire (4) being wound and arranged in the jacket (3); a cover plate, the cover plate being fixedly arranged on the crucible furnace (2); A feed inlet (5), the feed inlet (5) being opened on the cover plate; A purification box (6), the purification box (6) being opened on one side of the base (1), and the purification box (6) being provided with an air outlet; a fan (7), the fan (7) being fixedly arranged between the purification box (6) and the base (1), the input end of the fan (7) being connected to the crucible furnace (2), and the output end of the fan (7) extending into the purification box (6); A purification mechanism is arranged in the purification box (6) and is used to purify waste gas generated during the smelting process.

2. A medium frequency induction melting furnace for pipe fittings according to claim 1, characterized in that: The purification mechanism comprises: A purification tank, the purification tank is arranged on the inner bottom wall of the purification box (6), and the purification tank is filled with purification liquid; A first cavity, the first cavity being opened on a side of the purification tank away from the purification box (6); a first air inlet pipe (8), the first air inlet pipe (8) being rotatably disposed at the bottom of the purification tank, one end of the first air inlet pipe (8) being rotatably connected to the inner bottom wall of the first cavity, and the other end of the first air inlet pipe (8) being sealed; Wherein, the output end of the fan (7) passes through the inner bottom wall of the first cavity and extends into the first air inlet pipe (8); a second air intake pipe (9), wherein the second air intake pipe (9) is provided in plurality, and the plurality of second air intake pipes (9) are arranged in communication with the first air intake pipe (8); An air inlet, each of the second air inlet pipes (9) is provided with a plurality of the air inlets, and a check valve is provided in the air inlet; a rotating mechanism, the rotating mechanism being arranged in the first cavity and being used to control the first air inlet pipe (8) to rotate; A stirring mechanism, the stirring mechanism is arranged in the purification tank and is used to drive the exhaust gas to mix with the purification liquid; An adsorption mechanism is arranged in the purification box (6) and is used for adsorbing the waste gas passing through the purification liquid.

3. A medium frequency induction melting furnace for pipe fittings according to claim 2, characterized in that: The rotating mechanism comprises: a first annular rack (10), the first annular rack (10) being fixedly arranged on the first air intake pipe (8); a first gear (11), the first gear (11) being rotatably disposed in the first cavity, the first gear (11) being meshed with the first annular rack (10); A first motor, the first motor is fixedly arranged in the purification box (6), and an output end of the first motor is fixedly connected to the first gear (11).

4. A medium frequency induction melting furnace for pipe fittings according to claim 3, characterized in that: The stirring mechanism comprises: A support plate (12), the support plate (12) being fixedly arranged on the first air inlet pipe (8), and the support plate (12) being provided with a plurality of air holes; A stirring column (13), wherein the stirring column (13) is provided in plurality, and the plurality of stirring columns (13) are rotatably arranged on the support plate (12); Stirring rods, with a plurality of stirring rods being evenly distributed on each of the stirring columns (13); A driving mechanism, the driving mechanism being arranged on the supporting plate (12) and being used for controlling the stirring column (13) to rotate.

5. A medium frequency induction melting furnace for pipe fittings according to claim 4, characterized in that: The driving mechanism comprises: A driving groove, the driving groove being arranged in an annular shape and being opened on the supporting plate (12); a second gear (14), the second gear (14) being arranged in the driving groove so as to rotate correspondingly to the stirring column (13), the second gear (14) being fixedly connected to the stirring column (13); a drive ring (15), the drive ring (15) being fixedly arranged on the side wall of the purification tank corresponding to the drive groove, and the drive ring (15) extending into the drive groove; A second annular rack, wherein the second annular rack is fixedly arranged on the driving ring (15), and the second annular rack is meshed with the second gear (14).

6. A medium frequency induction melting furnace for pipe fittings according to claim 5, characterized in that: The adsorption mechanism comprises: An adsorption plate (16), wherein the adsorption plate (16) is arranged in the purification box (6); A suction port, wherein the suction port is provided in plurality, and the plurality of suction ports are provided on the suction plate (16); A filter plate (17), two filter plates (17) being fixedly disposed at both ends of each adsorption port; A spiral rod (18), the spiral rod (18) being arranged in the adsorption port, and the two ends of the spiral rod (18) being respectively fixedly connected to the filter plate (17); Activated carbon particles are filled in the adsorption port, and the adsorption port particles are located between the two filter plates (17).

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