Intermediate-frequency smelting furnace with cooling circulation structure

By setting up scale cleaning components and acceleration components in the medium frequency smelting furnace, using the motor to drive the screw and rubber scraper to clean the scale, and accelerate the dissolution through the mixing fan, the problem of cooling efficiency of the medium frequency smelting furnace is solved, and efficient scale removal is achieved and cooling efficiency improves.

CN222165660UActive Publication Date: 2024-12-13XIANGYANG LI NENG POWER ELECTRONICS CO LTD
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Patent Information

Application Number
CN202420858408.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-04-24
Publication Date
2024-12-13
Estimated Expiration
2034-04-24

AI Technical Summary

Technical Problem

After a long run of the existing medium-frequency smelting furnace, a large amount of scale will be generated in the cooling water operation line, affecting the cooling effect of the furnace body and increasing production costs.

Method used

An intermediate frequency smelting furnace with scale cleaning components and acceleration components was designed. Clean water mixed with scale descaling agent was injected through the water inlet pipe, and the motor drives the screw rod and slider to drive the rubber scraper to clean the inner wall of the outer shell, and combines with the mixing fan to accelerate. Scale dissolution to achieve effective removal of scale.

Benefits of technology

Effectively remove scale in the outer shell of the medium frequency smelting furnace, improve cooling efficiency, and reduce production costs.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a medium-frequency smelting furnace with a cooling circulation structure, which comprises a main body assembly, a cooling circulation structure and a cooling circulation structure, and is characterized in that the main body assembly comprises a medium-frequency smelting furnace outer shell, a top plate and a circulation pipeline; the scale removing assembly comprises a water inlet pipe, a water outlet pipe, a valve, a motor, a lead screw, a sliding block, a clamping groove, a clamping strip and a rubber scraper; the water inlet pipe is welded to the top of the top plate, the water outlet pipe is welded to the lower portion of the circulating pipeline, the motor is fixed to the top of the top plate, the lead screw is connected to the output end of the motor through a screw, the sliding block is slidably connected to the lead screw, the clamping groove is connected to the side edge of the sliding block through a screw, the clamping strip is clamped in the clamping groove, and the rubber scraper is connected to the outer side edge face of the clamping strip through a screw. The problems that after an existing medium-frequency smelting furnace operates for a long time, a large amount of scale can be generated in a smelting furnace outer shell in a cooling water operation line, the cooling effect of a furnace body can be affected, the cooling time is prolonged, and then the production cost of an enterprise is increased are solved.
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Description

Technical Field

[0001] The utility model relates to the technical field of medium frequency smelting furnaces, in particular to a medium frequency smelting furnace with a cooling circulation structure. Background Art

[0002] Medium frequency melting furnaces are usually used in the metallurgical industry, and are particularly suitable for the melting of precious metals with high melting points such as platinum, palladium, and gold. A medium frequency melting furnace with a cooling cycle structure is a device that uses a medium frequency power supply to melt metals. It melts the metal through the principle of electromagnetic induction heating, and has a cooling system to ensure continuous and stable operation.

[0003] Now, a Chinese patent is inquired about a medium frequency melting furnace with a cooling circulation mechanism, the publication number is CN 211291016U, which includes a medium frequency melting furnace outer shell, a medium frequency melting furnace body is installed in the middle of the medium frequency melting furnace outer shell, a cooling water outlet pipe is installed on one side of the medium frequency melting furnace outer shell, a diverter plate is installed at one end of the cooling water outlet pipe, an air outlet is arranged on one side of the diverter plate, three heat dissipation pipe protection shells are installed on the other side of the diverter plate, a heat dissipation air duct is arranged inside the heat dissipation pipe protection shell, and a heat dissipation pipe is installed on the inner side of the heat dissipation air duct. The utility model can quickly cool the high-temperature water in the cooled water channel by installing a diverter plate, a heat dissipation fan, a heat dissipation pipe, a heat dissipation water channel, a cooling pipe and a cooling water channel, so as to ensure that the cooling effect will not be affected during circulation, and the inlet water temperature can be reduced to increase the cooling effect, and the structure is simple and easy to operate.

[0004] However, it still has the following disadvantages in actual use:

[0005] After the existing medium frequency smelting furnace has been running for a long time, a large amount of scale will be generated inside the outer shell of the smelting furnace in the cooling water operation line, which will affect the cooling effect of the furnace body, increase the cooling time, and thus increase the production cost of the enterprise. Utility Model Content

[0006] The purpose of the utility model is to provide a medium frequency smelting furnace with a cooling circulation structure to solve the problem raised in the above background technology that, after long-term operation, a large amount of scale will be generated inside the outer shell of the smelting furnace in the cooling water operation circuit of the existing medium frequency smelting furnace, which will affect the cooling effect of the furnace body, increase the cooling time, and thus increase the production cost of the enterprise.

[0007] In order to solve the above technical problems, the utility model is realized by the following technical solutions:

[0008] The utility model is a medium frequency melting furnace with a cooling circulation structure, comprising:

[0009] A main component, the main component comprising an outer shell of a medium frequency smelting furnace, a top plate and a circulation pipeline;

[0010] The top plate is connected to the top of the outer shell of the medium frequency melting furnace by bolts, and the circulation pipeline is connected to the side of the outer shell of the medium frequency melting furnace;

[0011] A descaling component, the descaling component comprising a water inlet pipe, a water outlet pipe, a valve, a motor, a screw rod, a slider, a slot, a strip and a rubber scraper;

[0012] The water inlet pipe is welded to the top of the top plate, the water outlet pipe is welded to the bottom of the circulation pipe, the valve is connected to the circulation pipe and the water outlet pipe by screws, the motor is fixed to the top of the top plate, the screw rod is connected to the output end of the motor by screws, the slider is slidably connected to the screw rod, the slot is connected to the side of the slider by screws, the card strip is clamped in the slot, and the rubber scraper is connected to the outer side of the card strip by screws.

[0013] Furthermore, there are four groups of motors and screw rods, and the screw rods penetrate the top plate and are rotatably connected to the inside of the outer shell of the medium frequency smelting furnace.

[0014] Furthermore, each slider is connected with two groups of card slots, and a group of card strips are clamped on the two groups of card slots.

[0015] Furthermore, the main assembly also includes a furnace body, a water pump, a cooling system and a flange;

[0016] The furnace body is placed in the middle of the outer shell of the medium frequency smelting furnace, and the top passes through the top plate. The flange is welded on the circulation pipeline, and a water pump and a cooling system are connected in the middle of the circulation pipeline.

[0017] Furthermore, the circulation pipeline is divided into two, an upper and a lower circulation pipeline, and the valve is connected to the lower circulation pipeline and is close to the water outlet pipe.

[0018] Further, an acceleration component is included;

[0019] The accelerating assembly comprises a connecting plate, a connecting column and a stirring fan;

[0020] The connecting plates are connected to the sides of the slide blocks by screws, the connecting columns are connected between the connecting plates by bolts, and the stirring fans are sleeved on the connecting columns and are evenly distributed.

[0021] Compared with the prior art, the advantages of the present invention are:

[0022] 1. The utility model, through the scale cleaning component, closes the valve, adds clean water mixed with a scale remover into the outer shell of the medium frequency melting furnace through the water inlet pipe, starts the motor, drives the screw rod, drives the slider to move up and down along the screw rod, drives the card strip in the card slot to drive the rubber scraper to clean the inner wall of the outer shell of the medium frequency melting furnace, opens the valve after cleaning, and releases the sewage. This arrangement can remove scale in the outer shell of the medium frequency melting furnace and improve the cooling efficiency.

[0023] 2. The utility model provides an acceleration component, when the slider moves up and down, it drives the connecting column on the connecting plate to move up and down, drives the stirring fan to move up and down, stirs the descaling water inside the outer shell of the medium frequency smelting furnace, and accelerates the dissolution of scale. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for describing the embodiments are 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 creative work.

[0025] Figure 1 It is a schematic diagram of the overall component structure of the utility model;

[0026] Figure 2 This is a schematic diagram of the internal structure of the outer shell of the medium frequency melting furnace of the utility model;

[0027] Figure 3 This is a top view of the interior of the outer shell of the medium frequency melting furnace of the utility model;

[0028] Figure 4 A schematic diagram of the structure of the acceleration component of the utility model.

[0029] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0030] 10. Medium frequency melting furnace outer shell; 11. Top plate; 12. Furnace body; 13. Circulation pipeline; 14. Water pump; 15. Cooling system; 16. Flange; 20. Water inlet pipe; 21. Water outlet pipe; 22. Valve; 23. Motor; 24. Screw; 25. Slider; 26. Slot; 27. Card strip; 28. Rubber scraper; 30. Connecting plate; 31. Connecting column; 32. Stirring fan. DETAILED DESCRIPTION

[0031] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the specific implementation methods of the present invention are described in detail below with reference to the accompanying drawings.

[0032] In the following description, many specific details are set forth to facilitate a full understanding of the present invention, but the present invention may also be implemented in other ways different from those described herein, and those skilled in the art may make similar generalizations without violating the connotation of the present invention. Therefore, the present invention is not limited to the specific implementation methods disclosed below.

[0033] In order to make the purpose, technical solution and advantages of the present invention more clear, the implementation mode of the present invention will be further described in detail below with reference to the accompanying drawings.

[0034] See also Figure 1-4 As shown, this embodiment is a medium frequency melting furnace with a cooling cycle structure, comprising:

[0035] The main component includes an outer shell 10 of the medium frequency melting furnace, a top plate 11 and a circulation pipe 13;

[0036] The top plate 11 is connected to the top of the outer shell 10 of the medium frequency melting furnace by bolts, and the circulation pipe 13 is connected to the side of the outer shell 10 of the medium frequency melting furnace;

[0037] The outer shell 10 of the medium frequency melting furnace plays a protective role, and the space between it and the furnace body 12 provides space for the cooling water to run. The top plate 11 plays a sealing and connecting role, and the circulation pipe 13 provides a water flow channel;

[0038] The descaling component includes a water inlet pipe 20, a water outlet pipe 21, a valve 22, a motor 23, a screw rod 24, a slider 25, a slot 26, a strip 27 and a rubber scraper 28;

[0039] The water inlet pipe 20 is welded to the top of the top plate 11, the water outlet pipe 21 is welded to the bottom of the circulation pipe 13, the valve 22 is connected to the circulation pipe 13 and the water outlet pipe 21 by screws, the motor 23 is fixed to the top of the top plate 11, the screw rod 24 is connected to the output end of the motor 23 by screws, the slider 25 is slidably connected to the screw rod 24, the slot 26 is connected to the side of the slider 25 by screws, the clip 27 is clipped in the slot 26, and the rubber scraper 28 is connected to the outer side of the clip 27 by screws;

[0040] Descaling water can be introduced into the outer shell 10 of the medium frequency melting furnace through the water inlet pipe 20, and sewage can be discharged through the water outlet pipe 21. The valve 22 can control the opening and closing of the circulation pipe 13 and the water outlet pipe 21. The motor 23 provides a power source. The screw rod 24 rotates to achieve the displacement of the slider 25. The slider 25 plays a supporting role, the card slot 26 and the card strip 27 play a connecting role, and the rubber scraper 28 can clean the inner wall of the outer shell 10 of the medium frequency melting furnace;

[0041] There are four groups of motors 23 and screw rods 24. The screw rods 24 penetrate the top plate 11 and are rotatably connected to the outer shell 10 of the medium frequency melting furnace.

[0042] Each slider 25 is connected with two groups of slots 26, and the two groups of slots 26 are connected with a group of clips 27;

[0043] A total of four clamping strips 27 are provided, which are located at the four sides of the inner side wall of the outer shell 10 of the medium frequency melting furnace;

[0044] The main assembly also includes a furnace body 12, a water pump 14, a cooling system 15 and a flange 16;

[0045] The furnace body 12 is placed in the middle of the outer shell 10 of the medium frequency melting furnace, and the top passes through the top plate 11. The flange 16 is welded on the circulation pipe 13. The water pump 14 and the cooling system 15 are connected in the middle of the circulation pipe 13.

[0046] The furnace body 12 is used for melting metal, the water pump 14 increases the liquid pressure to facilitate the delivery of cooling water, the cooling system 15 re-cools the heated water flow, and the flange 16 is used to connect the circulation pipeline 13;

[0047] The circulation pipe 13 is divided into two parts, an upper and a lower circulation pipe. The valve 22 is connected to the lower circulation pipe 13 and is close to the water outlet pipe 21 .

[0048] Working principle:

[0049] After the medium frequency melting furnace has been used for a period of time, the valve 22 is closed, and clean water mixed with a descaling agent is introduced into the outer shell 10 of the medium frequency melting furnace from the water inlet pipe 20, and the motor 23 is started at the same time. The motor 23 drives the screw rod 24 to rotate repeatedly, and the rotation of the screw rod 24 drives the slider 25 to move up and down, so that the card slot 26 and the card strip 27 on the slider 25 move up and down, and the rubber scraper 28 connected to the card strip 27 scrapes off the scale on the inner wall of the outer shell 10 of the medium frequency melting furnace;

[0050] After a period of time, the top plate 11 can be removed, the card strip 27 and the rubber scraper 28 can be pulled out from the card slot 26, and replaced with new ones.

[0051] In this step, the inner wall of the outer shell 10 of the medium frequency smelting furnace can be cleaned to improve the cooling efficiency.

[0052] See also Figure 4 This embodiment is based on the above embodiment 1 and further includes:

[0053] An accelerating assembly, the accelerating assembly comprises a connecting plate 30, a connecting column 31 and a stirring fan 32;

[0054] The connecting plate 30 is connected to the side of the slider 25 by screws, the connecting column 31 is connected between the connecting plates 30 by bolts, and the stirring fan 32 is sleeved on the connecting column 31 and evenly distributed;

[0055] The connecting plate 30 serves as a connection, the connecting column 31 serves as a support, and the stirring fan 32 is rotatable to accelerate the mixing of the liquid.

[0056] Working principle:

[0057] When the slider 25 moves up and down, it drives the connecting plate 30 to move up and down, drives the connecting column 31 to move up and down, drives the stirring fan 32 to move up and down, and the stirring fan 32 moves up and down.

[0058] This step can accelerate the dissolution of the descaling agent and the agitation of the water flow, thereby speeding up the dissolution of scale.

[0059] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" 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 it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0060] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A medium frequency melting furnace with a cooling cycle structure, characterized in that: include: A main body component, the main body component comprising an outer shell (10) of a medium frequency smelting furnace, a top plate (11) and a circulation pipeline (13); The top plate (11) is connected to the top of the outer shell (10) of the medium frequency melting furnace by bolts, and the circulation pipe (13) is connected to the side of the outer shell (10) of the medium frequency melting furnace; A scale cleaning component, the scale cleaning component comprising a water inlet pipe (20), a water outlet pipe (21), a valve (22), a motor (23), a screw rod (24), a slider (25), a slot (26), a clip strip (27) and a rubber scraper (28); The water inlet pipe (20) is welded to the top of the top plate (11), the water outlet pipe (21) is welded to the bottom of the circulation pipe (13), the valve (22) is connected to the circulation pipe (13) and the water outlet pipe (21) by screws, the motor (23) is fixed to the top of the top plate (11), the screw rod (24) is connected to the output end of the motor (23) by screws, the slider (25) is slidably connected to the screw rod (24), the slot (26) is connected to the side of the slider (25) by screws, the clip (27) is clipped in the slot (26), and the rubber scraper (28) is connected to the outer side of the clip (27) by screws.

2. The medium frequency melting furnace with a cooling cycle structure according to claim 1, characterized in that: There are four groups of motors (23) and screw rods (24) in total. The screw rods (24) penetrate the top plate (11) and are rotatably connected to the inside of the outer shell (10) of the medium frequency smelting furnace.

3. The medium frequency melting furnace with a cooling cycle structure according to claim 1, characterized in that: Two groups of card slots (26) are connected to each slider (25), and a group of card strips (27) are connected to the two groups of card slots (26).

4. The medium frequency melting furnace with a cooling cycle structure according to claim 1, characterized in that: The main assembly also includes a furnace body (12), a water pump (14), a cooling system (15) and a flange (16); The furnace body (12) is placed in the middle of the outer shell (10) of the medium frequency smelting furnace, and the top passes through the top plate (11). The flange (16) is welded to the circulation pipe (13), and the circulation pipe (13) is connected to a water pump (14) and a cooling system (15) in the middle.

5. The medium frequency melting furnace with a cooling cycle structure according to claim 1, characterized in that: The circulation pipeline (13) is divided into two parts, an upper and a lower one, and the valve (22) is connected to the lower circulation pipeline (13) and is close to the water outlet pipe (21).

6. The medium frequency melting furnace with a cooling cycle structure according to claim 1, characterized in that: Also includes acceleration components; The accelerating assembly comprises a connecting plate (30), a connecting column (31) and a stirring fan (32); The connecting plate (30) is connected to the side of the slider (25) by screws, the connecting column (31) is connected between the connecting plates (30) by bolts, and the stirring fan (32) is sleeved on the connecting column (31) and evenly distributed.