Improved intermediate frequency furnace

Abstract

The utility model discloses an improved intermediate frequency furnace, and relates to the technical field of metal smelting equipment. The intermediate frequency furnace comprises a shell, an intermediate frequency furnace body is fixedly arranged in the shell, a material pipe is fixedly arranged on the intermediate frequency furnace body, an end cover is connected to the material pipe, a heat recovery assembly is connected to the shell, the heat recovery assembly comprises a fixing block, and the fixing block is fixedly connected to the interior of the shell. Gas generated in the machining process enters the gas guide pipes from the gas inlet pipe and enters the other gas guide pipes through the first connecting pipe, heat energy in the gas is absorbed by the heat conduction pieces, the gas can be injected into the water tank through the water inlet pipe, water can be conveyed into the water guide pipe by starting the pump, and the water can be conveyed into the water tank through the water inlet pipe. And then the water enters the water pipe to be in contact with the heat-conducting fins to take away heat on the heat-conducting fins, the water with the heat can return to the water tank through the return pipe and then can be discharged through the water outlet pipe, and the hot water can be guided to a using place to be recycled.

Description

Technical Field

[0001] The utility model relates to the technical field of metal smelting equipment, in particular to an improved medium frequency furnace. Background Art

[0002] The heating of medium frequency furnace is mostly used for heating of steel, aluminum, copper and other metal bars, heating before rolling, and heating of steel plates, steel pipes and various metal blanks.

[0003] However, when the device is in use, most of the heat is directly discharged to the outside, resulting in a great waste of energy. Recycling the heat can not only reduce emissions but also create economic benefits. In addition, waste gas is generated during the processing and then discharged into the air, causing environmental pollution. In response to the above problems, the inventors proposed an improved medium frequency furnace to solve the above problems. Utility Model Content

[0004] In order to solve the problem that when the device is in use, most of the heat is directly discharged to the outside, resulting in a great waste of energy, the heat can be recycled to reduce emissions and create economic benefits, and waste gas is generated during the processing and then discharged into the air, causing environmental pollution; the purpose of the utility model is to provide an improved medium frequency furnace.

[0005] In order to solve the above technical problems, the utility model adopts the following technical solutions: an improved intermediate frequency furnace, comprising a shell, an intermediate frequency furnace body is fixedly arranged inside the shell, a material pipe is fixedly arranged on the intermediate frequency furnace body, an end cover is connected to the material pipe, and a heat recovery component is connected to the shell;

[0006] The heat recovery component includes a fixed block, which is fixedly connected to the inside of the shell, and an air guide pipe is fixedly arranged on the other side of the fixed block, an air inlet pipe is fixedly arranged on one of the air guide pipes, the air inlet pipe runs through the intermediate frequency furnace body, a first connecting pipe is fixedly arranged between the air guide pipes, a connecting block is fixedly arranged on the side of the shell, a water tank is fixedly arranged on the other end of the connecting block, a pump is fixedly arranged on the upper surface of the water tank, a water guide pipe is fixedly arranged on the upper surface of the pump, a water pipe is fixedly arranged on the other end of the water guide pipe, a plurality of heat conducting plates are arranged, and an array of heat conducting plates is inserted in the water pipe, the water guide pipe runs through the shell, the other end of the water guide pipe is fixedly connected to the water pipe, a second connecting pipe is fixedly arranged between the water pipes, a return pipe is fixedly arranged on the outer surface of one of the water pipes, the return pipe runs through the shell, the other end of the return pipe is fixedly connected to the water tank, the upper surface of the water tank is connected to the water inlet pipe, a water outlet pipe is fixedly arranged on one side of the water tank, a heat conducting plate is fixedly inserted inside the water pipe, and the heat conducting plate runs through the air guide pipe;

[0007] A conduit is fixedly provided on the outer surface of one of the air guide tubes. The conduit passes through the shell, and a filter assembly is fixedly provided on the other end of the conduit.

[0008] Preferably, the filter assembly includes a filter box and a cover plate, the filter box is fixedly connected to the other end of the conduit, a socket is provided on the side of the cover plate, a filter plate is fixedly provided on the lower surface of one of the cover plates, an activated carbon plate is fixedly provided on the lower surface of the other cover plate, three springs are provided, and the springs are symmetrically arranged between the square groove and the movable plate, a rectangular groove is provided on the upper surface of the filter box, the cover plate is movably fitted with the inner surface of the rectangular groove, a sealing groove is provided on the inner surface of the square groove, a sealing strip is fixedly provided on the lower surface of the cover plate, the sealing strip is movably fitted with the inner surface of the sealing groove, the activated carbon plate and the filter plate are both movably in contact with the inner surface of the filter box, a square groove is provided on the upper surface of the filter box, a spring is fixedly provided on the inner surface of the square groove, a movable plate is fixedly provided on the other end of the spring, a plug-in plate is fixedly provided on the other side of the movable plate, two rectangular grooves are provided, and the rectangular grooves are symmetrically arranged on the upper surface of the filter box, and the plug-in plate can be movably inserted into the socket.

[0009] Compared with the prior art, the beneficial effects of the utility model are:

[0010] 1. The gas generated during the processing of the utility model enters the air guide pipe from the air inlet pipe, and enters the other air guide pipes through the first connecting pipe. The heat energy in the gas is absorbed by the heat conducting sheet, and the gas can be injected into the water tank through the water inlet pipe. By starting the pump, water can be transported to the water guide pipe, and then enter the water pipe to contact the heat conducting sheet, taking away the heat thereon. The water with heat can return to the water tank through the reflux pipe, and then can be discharged through the water outlet pipe, and the hot water can be guided to the place of use for recycling;

[0011] 2. In the utility model, the gas enters the filter box through the conduit, and the exhaust gas in the gas is first filtered by the activated carbon plate, and then the tiny particles in the gas are filtered by the filter plate. After long-term use, the movable plate can be moved by pulling the pull rod, and then the plug plate can be detached from the plug hole of the cover plate. The cover plate can be removed from the rectangular groove by moving the cover plate upward, and then the cover plate with a new filter plate and activated carbon plate can be replaced quickly. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0013] Figure 1 It is a schematic diagram of the structure of the utility model.

[0014] Figure 2 This is a schematic diagram of the structure of the heat recovery component of the utility model.

[0015] Figure 3 This is a schematic diagram of the structure of the filter assembly of the utility model.

[0016] Figure 4 For this utility model Figure 3 Enlarged structural diagram at A in the middle.

[0017] In the figure: 1. Shell; 2. Medium frequency furnace body; 21. Material pipe; 22. End cover; 3. Heat recovery component; 31. Fixed block; 32. Air guide pipe; 33. Air inlet pipe; 34. First connecting pipe; 35. Water pipe; 351. Second connecting pipe; 36. Heat conducting plate; 37. Connecting block; 38. Water tank; 381. Pump; 382. Water inlet pipe; 383. Water outlet pipe; 39. Water guide pipe; 4. Filter component; 41. Filter box; 42. Cover plate; 421. Socket; 43. Filter plate; 431. Activated carbon plate; 432. Sealing strip; 44. Square groove; 45. Spring; 46. Moving plate; 47. Insert plate; 48. Rectangular groove; 481. Sealing groove; 5. Conduit. DETAILED DESCRIPTION

[0018] 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.

[0019] Embodiment 1: Figure 1-4 As shown, the utility model provides an improved intermediate frequency furnace, comprising a shell 1, an intermediate frequency furnace body 2 is fixedly arranged inside the shell 1, and a heat recovery component 3 is connected to the shell 1;

[0020] The heat recovery component 3 includes a fixed block 31, which is fixedly connected to the inside of the shell 1. An air guide pipe 32 is fixedly arranged on the other side of the fixed block 31, an air intake pipe 33 is fixedly arranged on one of the air guide pipes 32, and the air intake pipe 33 runs through the intermediate frequency furnace body 2. A first connecting pipe 34 is fixedly arranged between the air guide pipes 32. A connecting block 37 is fixedly arranged on the side of the shell 1, and a water tank 38 is fixedly arranged on the other end of the connecting block 37. A pump 381 is fixedly arranged on the upper surface of the water tank 38, and a water guide pipe 39 is fixedly arranged on the upper surface of the pump 381. A water guide pipe 39 is fixedly arranged on the other end of the water guide pipe 39. The water guide pipe 35 runs through the shell 1, and the other end of the water guide pipe 39 is fixedly connected to the water pipe 35. A second connecting pipe 351 is fixedly arranged between the water pipes 35, and a reflux pipe 35 is fixedly arranged on the outer surface of one of the water pipes 35. The return pipe 352 penetrates the shell 1, and the other end of the return pipe 352 is fixedly connected to the water tank 38. A heat conductive sheet 36 is fixedly inserted inside the water pipe 35. The heat conductive sheet 36 penetrates the air pipe 32. The gas generated during processing enters the air pipe 32 from the air inlet pipe 33, and enters the remaining air pipes 32 through the first connecting pipe 34. The heat energy in the gas is absorbed by the heat conductive sheet 36. The gas can be injected into the water tank 38 through the water inlet pipe 382. The water can be transported to the water pipe 39 by starting the pump 381, and then enters the water pipe 35 to contact the heat conductive sheet 36 to take away the heat thereon. The water with heat can be returned to the water tank 38 through the return pipe 352, and then it can be discharged through the water outlet pipe 383. The hot water can be guided to the place of use for recycling;

[0021] A conduit 5 is fixedly provided on the outer surface of one of the air guide tubes 32 . The conduit 5 passes through the housing 1 . A filter assembly 4 is fixedly provided on the other end of the conduit 5 .

[0022] A material pipe 21 is fixedly provided on the intermediate frequency furnace body 2, and an end cover 22 is connected to the material pipe 21. The end cover 22 is connected to the material pipe 21 through the existing technology.

[0023] By adopting the above technical solution, material guiding is convenient.

[0024] An inlet pipe 382 is connected to the upper surface of the water tank 38, and an outlet pipe 383 is fixedly provided on one side of the water tank 38. The inlet pipe 382 is connected to an external water guide device, and the outlet pipe 383 is connected to the water outlet device.

[0025] By adopting the above technical solution, water conduction and water discharge are facilitated.

[0026] A plurality of heat conducting sheets 36 are provided, and an array of the heat conducting sheets 36 is inserted into the water pipe 35 .

[0027] By adopting the above technical solution, multiple heat conducting sheets 36 are provided to facilitate heat recovery.

[0028] There are three springs 45 , and the springs 45 are symmetrically arranged between the square groove 44 and the moving plate 46 .

[0029] By adopting the above technical solution, the stability after connection is improved.

[0030] Embodiment 2: Figure 1 As shown, the filter assembly 4 includes a filter box 41 and a cover plate 42. The filter box 41 is fixedly connected to the other end of the conduit 5. A plug hole 421 is provided on the side of the cover plate 42. A filter plate 43 is fixedly provided on the lower surface of one of the cover plates 42. An activated carbon plate 431 is fixedly provided on the lower surface of the other cover plate 42. A rectangular groove 48 is provided on the upper surface of the filter box 41. Two rectangular grooves 48 are provided, and the rectangular grooves 48 are symmetrically arranged on the upper surface of the filter box 41. The cover plate 42 is movably fitted with the inner surface of the rectangular groove 48. The activated carbon plate 431 and the filter plate 43 are both in movably contact with the inner surface of the filter box 41. A square groove 44 is provided on the upper surface of the filter box 41. A spring 45 is fixedly provided on the inner surface of the square groove 44. A sealing groove 481 is provided on the inner surface of the square groove 44. A sealing groove 481 is fixedly provided on the lower surface of the cover plate 42. The sealing strip 432 is movably fitted with the inner surface of the sealing groove 481 to improve the sealing after the connection. A movable plate 46 is fixedly arranged at the other end of the spring 45. A plug plate 47 is fixedly arranged at the other side of the movable plate 46. The plug plate 47 can be movably inserted into the inside of the insertion hole 421. The gas enters the filter box 41 through the conduit 5. The exhaust gas in the gas is first filtered through the activated carbon plate 431, and then the tiny particles in the gas are filtered through the filter plate 43. After long-term use, the movable plate 46 can be moved by pulling the pull rod, and then the plug plate 47 can be detached from the insertion hole 421 of the cover plate 42. The cover plate 42 can be removed from the rectangular groove 48 by moving the cover plate 42 upward, and then the cover plate 42 with a new filter plate 43 and the activated carbon plate 431 can be replaced quickly.

[0031] Working principle: When the utility model is in use, the gas generated during processing enters the air guide pipe 32 from the air inlet pipe 33, and enters the other air guide pipes 32 through the first connecting pipe 34. The heat energy in the gas is absorbed by the heat conducting plate 36, and the gas can be injected into the water tank 38 through the water inlet pipe 382. By starting the pump 381, water can be transported to the water guide pipe 39, and then enter the water pipe 35 to contact the heat conducting plate 36, taking away the heat thereon. The water with heat can be returned to the water tank 38 through the return pipe 352, and then discharged through the water outlet pipe 383. , the hot water can be led to the place where it is used for recycling, the gas enters the filter box 41 through the conduit 5, the exhaust gas in the gas is first filtered by the activated carbon plate 431, and then the tiny particles in the gas are filtered by the filter plate 43. After long-term use, the movable plate 46 can be moved by pulling the pull rod, and then the plug plate 47 can be detached from the plug hole 421 of the cover plate 42, and the cover plate 42 can be removed from the rectangular groove 48 by moving the cover plate 42 upward, and then the cover plate 42 with a new filter plate 43 and the activated carbon plate 431 can be replaced quickly.

[0032] Obviously, those skilled in the art can make various changes and modifications to the present invention without departing from the spirit and scope of the present invention. Thus, if these modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include these modifications and variations.

Claims

1. An improved medium frequency furnace, comprising a housing (1), characterized in that: A medium frequency furnace body (2) is fixedly arranged inside the shell (1), and a heat recovery component (3) is connected to the shell (1); The heat recovery component (3) comprises a fixed block (31), the fixed block (31) is fixedly connected to the inside of the shell (1), an air guide pipe (32) is fixedly provided on the other side of the fixed block (31), an air intake pipe (33) is fixedly provided on one of the air guide pipes (32), the air intake pipe (33) runs through the intermediate frequency furnace body (2), a first connecting pipe (34) is fixedly provided between the air guide pipes (32), a connecting block (37) is fixedly provided on the side of the shell (1), a water tank (38) is fixedly provided on the other end of the connecting block (37), a pump (381) is fixedly provided on the upper surface of the water tank (38), and the upper surface of the pump (381) A water pipe (39) is fixedly provided on the surface, a water pipe (35) is fixedly provided at the other end of the water pipe (39), the water pipe (39) passes through the shell (1), the other end of the water pipe (39) is fixedly connected to the water pipe (35), a second connecting pipe (351) is fixedly provided between the water pipes (35), a return pipe (352) is fixedly provided on the outer surface of one of the water pipes (35), the return pipe (352) passes through the shell (1), the other end of the return pipe (352) is fixedly connected to the water tank (38), a heat conducting sheet (36) is fixedly inserted inside the water pipe (35), and the heat conducting sheet (36) passes through the air pipe (32); A conduit (5) is fixedly provided on the outer surface of one of the air guide tubes (32), the conduit (5) passes through the shell (1), and a filter assembly (4) is fixedly provided on the other end of the conduit (5).

2. An improved medium frequency furnace as claimed in claim 1, characterized in that: The filter assembly (4) comprises a filter box (41) and a cover plate (42); the filter box (41) is fixedly connected to the other end of the conduit (5); a plug hole (421) is provided on the side of the cover plate (42); a filter plate (43) is fixedly provided on the lower surface of one of the cover plates (42); an activated carbon plate (431) is fixedly provided on the lower surface of the other cover plate (42); a rectangular groove (48) is provided on the upper surface of the filter box (41); the cover plate (42) and the rectangular groove (481) are connected to each other. ) is movably fitted to the inner surface of the filter box (41), the activated carbon plate (431) and the filter plate (43) are both in movably contact with the inner surface of the filter box (41), the upper surface of the filter box (41) is provided with a square groove (44), the inner surface of the square groove (44) is fixedly provided with a spring (45), the other end of the spring (45) is fixedly provided with a movable plate (46), the other side of the movable plate (46) is fixedly provided with an insert plate (47), and the insert plate (47) can be movably inserted into the interior of the insertion hole (421).

3. An improved medium frequency furnace as claimed in claim 1, characterized in that: A material pipe (21) is fixedly provided on the medium frequency furnace body (2), and an end cover (22) is connected to the material pipe (21).

4. An improved medium frequency furnace as claimed in claim 1, characterized in that: The upper surface of the water tank (38) is connected to a water inlet pipe (382), and one side of the water tank (38) is fixedly provided with a water outlet pipe (383).

5. An improved medium frequency furnace as claimed in claim 1, characterized in that: A plurality of heat conducting sheets (36) are provided, and an array of the heat conducting sheets (36) is inserted into the water pipe (35).

6. An improved medium frequency furnace as claimed in claim 2, characterized in that: There are three springs (45), and the springs (45) are symmetrically arranged between the square groove (44) and the moving plate (46).

7. An improved medium frequency furnace as claimed in claim 2, characterized in that: The inner surface of the square groove (44) is provided with a sealing groove (481), and the lower surface of the cover plate (42) is fixedly provided with a sealing strip (432), and the sealing strip (432) is movably fitted with the inner surface of the sealing groove (481).

8. An improved medium frequency furnace as claimed in claim 2, characterized in that: There are two rectangular grooves (48), and the rectangular grooves (48) are symmetrically arranged on the upper surface of the filter box (41).

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