Smelting furnace for metal casting

Abstract

The smelting furnace for metal casting comprises a bottom plate, the right side of the top of the bottom plate is fixedly connected with a smelting furnace body, the top of the smelting furnace body is communicated with a smoke exhaust pipe, the left side of the smoke exhaust pipe is communicated with a filter box, and a partition plate is fixedly connected between the two sides of an inner cavity of the filter box. And the top of the partition plate is fixedly connected with a metal filter screen. The bottom plate, the smelting furnace body, the smoke exhaust pipe, the filter box, the partition plate, the metal filter screen, the water tank, a first water pump, a heat exchange pipe, a fan, a ventilation pipe, a purification box, a second water pump, a spraying pipe, an exhaust pipe, an electric push rod and a brush plate are used in cooperation, and the functions of smoke filtering and waste heat recycling are achieved; the problems that an existing metal smelting furnace does not have the smoke filtering function, a large amount of harmful gas can be generated in the smelting process, the environment can be polluted when the harmful gas is directly exhausted, a certain amount of heat can be reserved in smoke, and resource waste is caused are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of metal casting equipment, in particular to a melting furnace for metal casting. Background Art

[0002] Metal casting is a process of melting metal into a liquid that meets certain requirements and pouring it into a mold. After cooling, solidification and cleaning, a casting with a predetermined shape, size and performance is obtained. The casting blank is almost formed, so it can be processed without machining or with a small amount of machining, which reduces costs and time to a certain extent. In the metal casting process, it needs to be used with a melting furnace.

[0003] For example, the utility model provides a "metal smelting furnace", and its publication number is: CN214120747U, which includes a furnace body, a smelting container, a resistance wire heating coil, a water-cooling coil and an insulating plate; the furnace body includes a bottom plate and a side wall, and the bottom plate and the side wall enclose a furnace chamber with an upper opening. However, the metal smelting furnace in this patent does not have the function of filtering flue gas, and a large amount of harmful gases will be generated during the smelting process. Direct discharge will cause pollution to the environment, and a certain amount of heat will remain in the flue gas, causing a waste of resources. The purpose of the utility model is to achieve the functions of filtering flue gas and recovering waste heat, thereby improving the practical effect. Utility Model Content

[0004] 1. Technical issues to be resolved

[0005] In view of the shortcomings of the prior art, the purpose of the utility model is to provide a melting furnace for metal casting, which realizes the functions of filtering smoke and recovering waste heat, and solves the problem that the existing metal melting furnace does not have the function of filtering smoke, a large amount of harmful gases will be generated during the smelting process, and direct discharge will cause pollution to the environment, and a certain amount of heat will remain in the smoke, causing a waste of resources.

[0006] (II) Technical solution

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a technical scheme adopted by a melting furnace for metal casting is: it comprises a bottom plate, a melting furnace body is fixedly connected to the right side of the top of the bottom plate, a smoke exhaust pipe is connected to the top of the melting furnace body, a filter box is connected to the left side of the smoke exhaust pipe, a partition is fixedly connected between the two sides of the inner cavity of the filter box, a metal filter is fixedly connected to the top of the partition, a water tank is fixedly connected to the top of the filter box, a first water pump is connected to the front of the water tank, a water outlet at the bottom of the first water pump is connected to a heat exchange pipe, the bottom of the heat exchange pipe passes through the filter box and is connected to the water tank, a fan is connected to the left side of the filter box, a ventilation pipe is connected to the bottom of the fan, a purification box is connected to the bottom of the ventilation pipe, a second water pump is fixedly connected to the left side of the inner cavity of the purification box, and a spray pipe is connected to the water outlet at the top of the second water pump.

[0008] As a preferred solution, the top of the filter box is connected to an exhaust pipe, and a moisture-absorbing net is fixedly connected between two sides of the inner cavity of the exhaust pipe.

[0009] As a preferred solution, a collecting box is provided at the bottom of the partition, and the front side of the collecting box passes through the filter box and is fixedly connected with a handle.

[0010] As a preferred solution, an electric push rod is fixedly connected to the rear side of the filter box, and the output end of the electric push rod passes through the filter box and is fixedly connected to a brush plate.

[0011] As a preferred solution, a discharge port is provided on the right side of the bottom of the partition, and legs are fixedly connected to the four corners of the bottom of the base plate.

[0012] As a preferred solution, a bracket is fixedly connected to the bottom of the first water pump, and the bottom of the bracket is fixedly connected to the filter box.

[0013] As a preferred solution, transverse plates are provided on both sides of the bottom of the collecting box, and opposite sides of the transverse plates are fixedly connected to the inner wall of the filter box.

[0014] (III) Beneficial effects

[0015] Compared with the prior art, the utility model provides a melting furnace for metal casting, which has the following beneficial effects.

[0016] 1. The utility model realizes the function of filtering flue gas and recovering waste heat through the coordinated use of a bottom plate, a smelting furnace body, a smoke exhaust pipe, a filter box, a partition, a metal filter, a water tank, a first water pump, a heat exchange pipe, a fan, a ventilation pipe, a purification box, a second water pump, a spray pipe, an exhaust pipe, an electric push rod and a brush plate, thereby solving the problem that the existing metal smelting furnace does not have the function of filtering flue gas, a large amount of harmful gases will be generated during the smelting process, and direct discharge will cause pollution to the environment, and a certain amount of heat will remain in the flue gas, resulting in a waste of resources.

[0017] 2. The utility model can discharge the filtered exhaust gas by arranging an exhaust pipe, can collect the dust after cleaning by arranging a collection box, and is convenient for cleaning, can drive the brush plate to move by arranging an electric push rod, and is convenient for cleaning the dust on the surface of the metal filter, and can fix the first water pump by arranging a bracket. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the structure of the utility model;

[0019] Figure 2 This is a cross-sectional view of the structure of the utility model;

[0020] Figure 3 It is a side sectional view of the filter box of the utility model structure;

[0021] Figure 4 It is a side view of the heat exchange tube structure of the utility model.

[0022] In the figure: 1. bottom plate; 2. smelting furnace body; 3. exhaust pipe; 4. filter box; 5. partition; 6. metal filter; 7. water tank; 8. first water pump; 9. heat exchange tube; 10. fan; 11. ventilation pipe; 12. purification box; 13. second water pump; 14. spray pipe; 15. exhaust pipe; 16. collection box; 17. handle; 18. electric push rod; 19. brush plate; 20. discharge port; 21. horizontal plate. DETAILED DESCRIPTION

[0023] The following is a further detailed description of the implementation of the present utility model in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present utility model, but cannot be used to limit the scope of the present utility model.

[0024] In the description of the present invention, unless otherwise specified, "multiple" means two or more; the terms "upper", "lower", "left", "right", "inner", "outer", "front end", "rear end", "head", "tail" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the present invention and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", "third" and the like are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0025] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "connected" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0026] See also Figure 1 -3, the utility model: a smelting furnace for metal casting, comprising a bottom plate 1, a smelting furnace body 2 is fixedly connected to the right side of the top of the bottom plate 1, a smoke exhaust pipe 3 is connected to the top of the smelting furnace body 2, a filter box 4 is connected to the left side of the smoke exhaust pipe 3, a partition 5 is fixedly connected between the two sides of the inner cavity of the filter box 4, a metal filter screen 6 is fixedly connected to the top of the partition 5, a water tank 7 is fixedly connected to the top of the filter box 4, a first water pump 8 is connected to the front of the water tank 7, a heat exchange pipe 9 is connected to the water outlet at the bottom of the first water pump 8, and the bottom of the heat exchange pipe 9 passes through The filter box 4 is connected to the water tank 7, the left side of the filter box 4 is connected to the fan 10, a collecting box 16 is arranged at the bottom of the partition 5, the front side of the collecting box 16 passes through the filter box 4 and is fixedly connected to a handle 17, the rear side of the filter box 4 is fixedly connected to an electric push rod 18, the output end of the electric push rod 18 passes through the filter box 4 and is fixedly connected to a brush plate 19, a discharge port 20 is provided on the right side of the bottom of the partition 5, the four corners of the bottom of the bottom plate 1 are fixedly connected to legs, the bottom of the first water pump 8 is fixedly connected to a bracket, and the bottom of the bracket is fixedly connected to the filter box 4.

[0027] Among them: the operator starts the fan 10 through the external controller, the fan 10 cooperates with the smoke exhaust pipe 3 to draw the smoke into the filter box 4, and preliminarily filters the smoke through the metal filter 6, starts the electric push rod 18, and the electric push rod 18 drives the brush plate 19 to move, cleans the dust on the surface of the metal filter 6 to improve the filtering effect, starts the first water pump 8, and the first water pump 8 draws the water in the water tank 7 into the heat exchange tube 9 for circulation. When the smoke contacts the heat exchange tube 9, the water is preheated and then discharged into the water tank 7 for storage, which is convenient for the staff to use hot water and plays a role in waste heat recovery.

[0028] See also Figure 1 -4, the utility model: a smelting furnace for metal casting, the bottom of the fan 10 is connected with a ventilation pipe 11, the bottom of the ventilation pipe 11 is connected with a purification box 12, the left side of the inner cavity of the purification box 12 is fixedly connected with a second water pump 13, the water outlet at the top of the second water pump 13 is connected with a spray pipe 14, the top of the filter box 4 is connected with an exhaust pipe 15, a moisture-absorbing net is fixedly connected between the two sides of the inner cavity of the exhaust pipe 15, and horizontal plates 21 are arranged on both sides of the bottom of the collecting box 16, and the opposite side of the horizontal plate 21 is fixedly connected to the inner wall of the filter box 4.

[0029] Among them: the smoke after preliminary filtration is then discharged into the purification box 12 through the ventilation pipe 11, and the second water pump 13 is started. The second water pump 13 draws the neutralizer at the bottom of the inner cavity of the purification box 12 into the spray pipe 14, and the neutralizer is atomized and sprayed out through the spray pipe 14 to neutralize and filter the smoke, thereby further improving the filtering effect.

[0030] The working principle of the utility model is as follows: the operator starts the fan 10 through the external controller, and the fan 10 cooperates with the smoke exhaust pipe 3 to draw the smoke into the filter box 4, and preliminarily filters the smoke through the metal filter 6, starts the electric push rod 18, and the electric push rod 18 drives the brush plate 19 to move, cleans the dust on the surface of the metal filter 6, and improves the filtering effect, starts the first water pump 8, and the first water pump 8 draws the water in the water tank 7 into the heat exchange tube 9 for circulation. When the smoke contacts the heat exchange tube 9, the water is preheated and then discharged into the water tank 7 for storage, which is convenient for the staff to use hot water and plays a role in waste heat recovery. Then, the preliminarily filtered smoke is discharged into the purification box 12 through the ventilation pipe 11, and the second water pump 13 is started. The second water pump 13 draws the neutralizer at the bottom of the inner cavity of the purification box 12 into the spray pipe 14, and the neutralizer is atomized and sprayed out through the spray pipe 14 to neutralize and filter the smoke, further improving the filtering effect.

[0031] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model, rather than to limit the protection scope of the utility model. Although the utility model has been described in detail with reference to the preferred embodiments, ordinary technicians in this field should understand that the technical solution of the utility model can be modified or replaced by equivalents without departing from the essence and scope of the technical solution of the utility model.

Claims

1. A melting furnace for metal casting, comprising a bottom plate (1), characterized in that: The right side of the top of the bottom plate (1) is fixedly connected to a smelting furnace body (2), the top of the smelting furnace body (2) is connected to a smoke exhaust pipe (3), the left side of the smoke exhaust pipe (3) is connected to a filter box (4), a partition (5) is fixedly connected between the two sides of the inner cavity of the filter box (4), the top of the partition (5) is fixedly connected to a metal filter screen (6), the top of the filter box (4) is fixedly connected to a water tank (7), the front of the water tank (7) is connected to a first water pump (8), and the first water pump (8) The water outlet at the bottom is connected to a heat exchange tube (9), the bottom of the heat exchange tube (9) passes through the filter box (4) and is connected to the water box (7), the left side of the filter box (4) is connected to a fan (10), the bottom of the fan (10) is connected to a ventilation pipe (11), the bottom of the ventilation pipe (11) is connected to a purification box (12), the left side of the inner cavity of the purification box (12) is fixedly connected to a second water pump (13), and the water outlet at the top of the second water pump (13) is connected to a spraying pipe (14).

2. A metal casting melting furnace according to claim 1, characterized in that: The top of the filter box (4) is connected to an exhaust pipe (15), and a moisture absorbing net is fixedly connected between two sides of the inner cavity of the exhaust pipe (15).

3. A metal casting melting furnace according to claim 1, characterized in that: A collecting box (16) is provided at the bottom of the partition (5); the front side of the collecting box (16) penetrates the filter box (4) and is fixedly connected with a handle (17).

4. A metal casting melting furnace according to claim 1, characterized in that: An electric push rod (18) is fixedly connected to the rear side of the filter box (4), and an output end of the electric push rod (18) passes through the filter box (4) and is fixedly connected to a brush plate (19).

5. A metal casting melting furnace according to claim 1, characterized in that: A discharge port (20) is provided on the right side of the bottom of the partition (5), and legs are fixedly connected to the four corners of the bottom of the base plate (1).

6. A metal casting melting furnace according to claim 1, characterized in that: The bottom of the first water pump (8) is fixedly connected to a bracket, and the bottom of the bracket is fixedly connected to the filter box (4).

7. A metal casting melting furnace according to claim 3, characterized in that: Both sides of the bottom of the collecting box (16) are provided with transverse plates (21), and the opposite sides of the transverse plates (21) are fixedly connected to the inner wall of the filter box (4).

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