Low-energy-consumption molten iron smelting device

By introducing a filter screen and scraper structure into the molten iron smelting device, combined with air pump extraction, the problem of heat loss in exhaust gas emissions was solved, low-energy smelting and high-efficiency filtration were achieved, pollution was reduced and the service life of the device was extended.

CN223464571UActive Publication Date: 2025-10-24HENAN ANGANG ZHOUKOU IRON & STEEL CO LTD +3
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Patent Information

Application Number
CN202422613676.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-29
Publication Date
2025-10-24
Estimated Expiration
2034-10-29

AI Technical Summary

Technical Problem

Existing molten iron smelting equipment loses a lot of heat when exhaust gas is discharged during the smelting process, resulting in increased energy consumption.

Method used

A filter screen and scraper structure is used, combined with an air pump to extract air, to reduce heat loss in the exhaust gas; cleaning brushes and magnetic balls are used to clean the inner wall of the exhaust pipe to prevent clogging by impurities, and the exhaust volume is adjusted to control energy consumption.

Benefits of technology

The energy consumption of the smelting device is reduced, the smelting speed is increased, the waste gas pollution is reduced, the service life of the filter plate is extended, and the waste gas fluidity and filtering effect are improved.

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Abstract

The utility model belongs to the technical field of molten iron smelting, and particularly relates to a low-energy-consumption molten iron smelting device which comprises a smelting device body, an exhaust pipe is fixedly connected to the side wall of the smelting device body, a conveying pipe is fixedly connected to the side wall of the exhaust pipe, and the conveying pipe is fixedly connected with the smelting device body. Particle impurities contained in waste gas can be filtered through a filter screen plate, a driving motor drives an output rod to rotate, a scraping plate can scrape the side wall of the filter screen plate, then the filtered waste gas enters a conveying pipe and is pumped into a smelting device body through an air pump in the conveying pipe, and the waste gas is pumped through the air pump in the conveying pipe; according to the smelting device, the use energy consumption of the smelting device body during smelting can be reduced, the smelting speed can be increased, meanwhile, the filter screen plate can play a role in filtering waste gas during emission, pollution to air is reduced, and the anti-blocking effect of the filter screen plate during filtering can be achieved through scraping of the scraping plate.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to the iron smelting technical field, specifically a low energy consumption iron smelting device. BACKGROUND

[0002] Hot metal is the common name of liquid iron, also refers to the hot mineral water containing iron element, and hot metal is the liquid formed by iron melting, and its composition is elemental iron, and it is a pure substance, and is mainly used for producing molten steel, cast iron and iron alloy products.

[0003] The existing hot metal smelting device is mainly composed of a smelting container and a fixed base, and in the use process, iron elements are placed in the smelting container, and then heated, so that the internal iron elements can be melted to form hot metal when reaching a certain temperature.

[0004] However, in the use process of the smelting device, it is found that the smelting device will consume part of the heat energy, thereby affecting the use energy consumption of the smelting device, and therefore, a low energy consumption hot metal smelting device is proposed to solve the above problems. UTILITY MODEL CONTENTS

[0005] In order to make up for the deficiencies of the prior art and solve at least one technical problem proposed in the background art, the utility model provides a low energy consumption hot metal smelting device.

[0006] The utility model solves the technical problems by adopting the following technical scheme: the low energy consumption hot metal smelting device comprises a smelting device body, an exhaust pipe is fixedly connected to the side wall of the smelting device body, a conveying pipe is fixedly connected to the side wall of the exhaust pipe, the conveying pipe is in a fixed connection relationship with the smelting device body, a gas pump is arranged in the conveying pipe, a filter screen plate is fixedly connected to the inner side wall of the exhaust pipe, a driving motor is fixedly connected to the inner side wall of the exhaust pipe, an output rod is fixedly connected to the output end of the driving motor, the output rod penetrates through the wall body of the filter screen plate and is rotationally connected thereto, a plurality of scrapers are fixedly connected to the side wall of the output rod, the scrapers are uniformly distributed on the side wall of the output rod and are of the same structure, the gas pump in the conveying pipe can reduce the use energy consumption of the smelting device body during smelting, improve the smelting speed, and the filter screen plate can filter the exhaust gas during discharge.

[0007] Preferably, a plurality of springs are evenly fixed to the inner wall of the exhaust pipe, the ends of the springs are fixed to the same annular plate, a through hole is opened on the side wall of the annular plate, a pair of cover plates are symmetrically hinged on the side wall of the through hole, a plurality of cleaning brushes are evenly fixed to the side wall of the annular plate, and a push rod is fixed to the inner wall of the exhaust pipe. Through the movement of the annular plate, the particulate impurities attached to the inner wall of the exhaust pipe can be cleaned, thereby improving the fluidity of the exhaust gas.

[0008] Preferably, the scraper side wall is fixed with a magnetic block, and the filter screen side wall is fixed with multiple elastic rods. The elastic rods are evenly distributed on the filter screen side wall and have the same structure. The ends of the elastic rods are fixed with magnetic balls. By knocking the filter screen wall with the magnetic balls, the cleaning effect of particulate impurities attached to the side wall of the filter screen can be further increased, thereby improving the anti-clogging effect of the filter screen during use.

[0009] Preferably, a baffle is provided on the inner side wall of the exhaust pipe, and a rotating rod is fixed to the side wall of the baffle. The rotating rod passes through the baffle wall and is fixed thereto, and the baffle passes through the exhaust pipe wall and is rotatably connected thereto. By adjusting the inclination angle of the baffle, the air outlet of the exhaust pipe can be adjusted, thereby improving the control over the air outlet of the exhaust pipe.

[0010] Preferably, a spring rod is fixed to the side wall of the rotating rod, and a rubber block is fixed to the end of the spring rod. The rubber block presses against the side wall of the exhaust pipe to prevent the rotating rod from rotating after adjustment is completed, thereby increasing the fixing effect of the rotating rod.

[0011] Preferably, a rubber sleeve is fixed to the side wall of the magnetic ball. The rubber sleeve can protect the magnetic ball from colliding with the filter screen, thereby increasing the service life of the filter screen.

[0012] Preferably, the side wall of the cleaning brush is fixedly connected with a connecting rod, and the connecting rod passes through the wall of the cleaning brush and is fixed thereto. By providing the connecting rod, the concentration of the cleaning brush during cleaning can be increased, thereby improving the cleaning effect.

[0013] Beneficial effects of the utility model:

[0014] 1. The utility model provides a low-energy consumption molten iron smelting device. By setting a delivery pipe and a filter screen, air is extracted by an air pump in the delivery pipe, which can reduce the energy consumption of the smelting device body during smelting and increase the smelting speed. At the same time, the filter screen can filter the exhaust gas during discharge, reducing the pollution caused to the air, and the scraping of the scraper can prevent the filter screen from being blocked during filtration.

[0015] 2.The low-energy-consumption molten iron smelting device is provided with a cleaning brush, and the cleaning effect of the particle impurities attached to the inner side wall of the exhaust pipe can be achieved through the movement of the annular plate, the flowability of the exhaust gas is improved, and the particle impurities are not easily attached to the inner side wall of the exhaust pipe for a long time, and the flow effect of the airflow is not easily affected. BRIEF DESCRIPTION OF DRAWINGS

[0016] The accompanying drawings, which are included to provide a further understanding of the present application and are incorporated in and constitute a part of this application, illustrate embodiments of the present application and serve to explain the present application. In the drawings:

[0017] Figure 1 is a perspective view of the present application,

[0018] Figure 2 is a perspective view of the filter screen plate in the present application,

[0019] Figure 3 is Figure 2 is a local enlarged view of A in the present application,

[0020] Figure 4 is a perspective view of the rubber sleeve in the present application,

[0021] Figure 5 is a perspective view of the baffle in the present application.

[0022] LEGEND:

[0023] 1, smelting device body, 11, exhaust pipe, 12, conveying pipe, 13, filter screen plate, 14, driving motor, 15, output rod, 16, scraper, 2, spring, 21, annular plate, 22, through hole, 23, cover plate, 24, cleaning brush, 25, ejector rod, 3, magnetic block, 31, elastic rod, 32, magnetic ball, 4, baffle, 41, rotating rod, 5, spring rod, 51, rubber block, 6, rubber sleeve, 7, connecting rod. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0025] Specific embodiments will be given below.

[0026] Please refer to Figures 1 to 5The utility model provides a low energy consumption molten iron smelting device, including smelting device body 1, the exhaust pipe 11 is fixedly connected to smelting device body 1 side wall, the conveying pipe 12 is fixedly connected to exhaust pipe 11 side wall, the conveying pipe 12 and smelting device body 1 are fixed connection, the conveying pipe 12 is equipped with air pump inside, the filter screen plate 13 is fixedly connected to exhaust pipe 11 inner side wall, the drive motor 14 is fixedly connected to exhaust pipe 11 inner side wall, the output rod 15 is fixedly connected to drive motor 14 output, the output rod 15 passes through filter screen plate 13 wall body and is rotationally connected with it, a plurality of scrapers 16 are fixedly connected to output rod 15 side wall, the scraper 16 is evenly distributed on output rod 15 side wall and is same in structure, when using, the exhaust gas that smelting device body 1 discharged will enter exhaust pipe 11, when exhaust gas passes through filter screen plate 13, utilize filter screen plate 13 to filter the particle impurity contained in exhaust gas, simultaneously open drive motor 14, make drive motor 14 drive output rod 15 rotation, can make scraper 16 scrape the side wall of filter screen plate 13, scrape off the particle impurity adhered on filter screen plate 13 side wall, after the exhaust gas filtered completely will enter conveying pipe 12, because the outlet of exhaust pipe 11 is smaller, most gas will enter conveying pipe 12, after being pumped into smelting device body 1 by the air pump in conveying pipe 12, let heat not lose more, in the process, pump by the air pump in conveying pipe 12, can reduce the use energy consumption of smelting device body 1 when smelting, improve smelting speed, filter screen plate 13 can play the filtering effect of exhaust gas when discharging simultaneously, reduce the pollution caused to air, and utilize the scraping of scraper 16 can play the anti -blocking effect of filter screen plate 13 when filtering.

[0027] As Figures 2 to 3As shown, the exhaust pipe 11 inside wall is uniformly fixed with a plurality of springs 2, the end of the spring 2 is fixed with the same ring plate 21, the side wall of the ring plate 21 is provided with a through hole 22, the side wall of the through hole 22 is symmetrically hinged with a pair of cover plates 23, the side wall of the ring plate 21 is uniformly fixed with a plurality of cleaning brushes 24, the inside wall of the exhaust pipe 11 is fixed with a top rod 25, in use, when the exhaust gas is discharged, the airflow will push the ring plate 21 to move, so that the spring 2 performs the extension and contraction movement, in the process of moving the ring plate 21, the cleaning brush 24 can be used to clean the inside wall of the exhaust pipe 11, and the particles attached to the inside wall of the exhaust pipe 11 are swept away, when the ring plate 21 is pushed to the position of the top rod 25, the cover plate 23 is opened by the top rod 25, so that the exhaust gas passes through, and then the elasticity of the spring 2 can pull the ring plate 21 to reset, so that the cleaning brush 24 can clean the inside wall of the exhaust pipe 11 again, in the process, the movement of the ring plate 21 can clean the particles attached to the inside wall of the exhaust pipe 11, improve the flowability of the exhaust gas, and reduce the long-term attachment of the particles to the inside wall of the exhaust pipe 11, which is easy to affect the flow effect of the airflow.

[0028] As shown in the figure, Figure 4 The side wall of the scraper 16 is fixed with a magnetic block 3, the side wall of the filter screen plate 13 is fixed with a plurality of elastic rods 31, the elastic rods 31 are uniformly distributed on the side wall of the filter screen plate 13 and have the same structure, the end of the elastic rod 31 is fixed with a magnetic ball 32, in use, when the scraper 16 rotates to the position corresponding to the magnetic ball 32 in the rotating process, the magnetic ball 32 is pulled by the magnetic attraction between the magnetic block 3 and the magnetic ball 32, so that the magnetic ball 32 impacts on the wall of the filter screen plate 13, and the particles attached to the side wall of the filter screen plate 13 are shaken off by the vibration generated by the impact, when the magnetic block 3 rotates away, the elastic rod 31 can reset the magnetic ball 32, in the process, the wall of the filter screen plate 13 is struck by the magnetic ball 32, which can further increase the cleaning effect of the particles attached to the side wall of the filter screen plate 13, improve the anti-clogging effect of the filter screen plate 13 in use, and reduce the difficulty of the scraper 16 in scraping off the particles in the gap of the filter screen plate 13, which can easily affect the filtering effect of the filter screen plate 13 over time.

[0029] As shown in the figure, Figure 5As shown, the inner wall of the exhaust pipe 11 is provided with a baffle 4, the side wall of the baffle 4 is fixedly connected with a rotating rod 41, the rotating rod 41 penetrates the wall of the baffle 4 and is fixedly connected therewith, the baffle 4 penetrates the wall of the exhaust pipe 11 and is rotatably connected therewith, in use, by holding and rotating the rotating rod 41, the baffle 4 in the exhaust pipe 11 can be rotated to be inclined to block the airflow, in this process, by adjusting the inclination angle of the baffle 4, the exhaust amount of the exhaust pipe 11 can be adjusted to improve the control of the exhaust amount of the exhaust pipe 11 and reduce the difficulty in adjusting the exhaust port of the exhaust pipe 11, thereby reducing the heat loss of the smelting device body 1.

[0030] As shown in Figure 5 , the side wall of the rotating rod 41 is fixedly connected with a spring rod 5, the end of the spring rod 5 is fixedly connected with a rubber block 51, in use, first press the rubber block 51 to make the spring rod 5 stretch and retract, then rotate the rotating rod 41, when the rotating rod 41 is rotated, release the rubber block 51, the elasticity of the spring rod 5 can make the rubber block 51 top on the side wall of the exhaust pipe 11, the contact between the rubber block 51 and the exhaust pipe 11 can generate a certain friction, in this process, the rubber block 51 can prevent the rotating rod 41 from rotating after adjustment, increase the fixation of the rotating rod 41, and reduce the possibility of accidental pulling of the rotating rod 41.

[0031] As shown in Figure 4 , the side wall of the magnetic ball 32 is fixedly connected with a rubber sleeve 6, in use, when the magnetic ball 32 knocks the side wall of the filter screen 13, the elasticity of the rubber sleeve 6 can block them, in this process, the rubber sleeve 6 can protect the filter screen 13 from being hit by the magnetic ball 32, improve the service life of the filter screen 13, and reduce the possibility of damage to the filter screen 13 caused by long-term hitting by the magnetic ball 32.

[0032] As shown in Figure 3 , the side wall of the cleaning brush 24 is fixedly connected with a connecting rod 7, the connecting rod 7 penetrates the wall of the cleaning brush 24 and is fixedly connected therewith, in use, the connecting rod 7 can fixedly connect multiple cleaning brushes 24 during cleaning, in this process, the connecting rod 7 can increase the concentration of the cleaning brushes 24 during cleaning, improve the cleaning effect, and reduce the dispersion of the cleaning brushes 24 during cleaning, which affects the cleaning effect.

[0033] Working principle: in use, the exhaust gas discharged by the smelting device body 1 will enter the exhaust pipe 11, when the exhaust gas passes through the filter screen 13, the filter screen 13 can filter the particulate impurities contained in the exhaust gas, at the same time, the driving motor 14 is started, the driving motor 14 drives the output rod 15 to rotate, the scraper 16 can scrape the side wall of the filter screen 13, the particulate impurities attached to the side wall of the filter screen 13 are scraped off, and then the filtered exhaust gas enters the conveying pipe 12, because the outlet of the exhaust pipe 11 is small, most of the gas enters the conveying pipe 12, and then the gas pump in the conveying pipe 12 is sucked into the smelting device body 1, so that the heat loss is small, in use, when the exhaust gas is discharged, the airflow pushes the ring plate 21 to move, the spring 2 is stretched and contracted, in the process of moving the ring plate 21, the cleaning brush 24 can clean the inner side wall of the exhaust pipe 11, the particulate impurities attached to the inner side wall of the exhaust pipe 11 are swept off, when the ring plate 21 is pushed to the position of the ejector rod 25, the cover plate 23 is opened by the ejector rod 25, the exhaust gas passes through, and then the elasticity of the spring 2 can pull the ring plate 21 to reset, so that the cleaning brush 24 can clean the inner side wall of the exhaust pipe 11 again, in use, when the scraper 16 rotates to the position corresponding to the magnetic ball 32, the magnetic ball 32 is attracted to the wall of the filter screen 13 by the magnetic attraction between the magnetic block 3 and the magnetic ball 32, the particulate impurities attached to the side wall of the filter screen 13 are vibrated off by the vibration generated by the impact, when the magnetic block 3 rotates away, the elasticity of the elastic rod 31 can reset the magnetic ball 32, in use, the exhaust pipe 11 is rotated by holding and rotating the rotating rod 41, so that the baffle 4 in the exhaust pipe 11 is rotated and inclined to block the airflow, in use, the spring rod 5 is stretched and contracted by pressing the rubber block 51, and then the rotating rod 41 can be rotated, when the rotating rod 41 is rotated, the rubber block 51 is released, the elasticity of the spring rod 5 can make the rubber block 51 abut against the side wall of the exhaust pipe 11, a certain friction force is generated by the contact between the rubber block 51 and the exhaust pipe 11, in use, when the magnetic ball 32 knocks the side wall of the filter screen 13, the elasticity of the rubber sleeve 6 can block between them, in use, the cleaning brush 24 is fixedly connected with the connecting rod 7 during cleaning.

[0034] The basic principle, main features and advantages of the present application are shown and described above. Those skilled in the art should understand that the present application is not limited to the above embodiments, and the above embodiments and descriptions in the specification are only to illustrate the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the present application.

Claims

1. A low energy consumption molten iron smelting device comprising a smelting device body (1), characterized in that: The smelting device body (1) side wall is fixedly connected with an exhaust pipe (11), the exhaust pipe (11) side wall is fixedly connected with a conveying pipe (12), the conveying pipe (12) and smelting device body (1) are in fixed connection, the conveying pipe (12) is internally provided with a gas pump, the exhaust pipe (11) inner side wall is fixedly connected with a filter screen plate (13), the exhaust pipe (11) inner side wall is fixedly connected with a drive motor (14), the drive motor (14) output end is fixedly connected with an output rod (15), the output rod (15) penetrates through the filter screen plate (13) wall body and is rotationally connected therewith, the output rod (15) side wall is fixedly connected with a plurality of scrapers (16), the scrapers (16) are uniformly distributed on the output rod (15) side wall and are identical in structure.

2. A low energy consumption molten iron smelting apparatus as claimed in claim 1, characterized in that: The exhaust pipe (11) inner side wall is uniformly fixedly connected with a plurality of springs (2), the spring (2) end is fixedly connected with an annular plate (21), the annular plate (21) side wall is provided with a through hole (22), the through hole (22) side wall is hingedly connected with a pair of cover plates (23), the annular plate (21) side wall is uniformly fixedly connected with a plurality of cleaning brushes (24), the exhaust pipe (11) inner side wall is fixedly connected with a top rod (25).

3. A low energy consumption molten iron smelting apparatus as claimed in claim 1, characterized in that: The scraper (16) side wall is fixedly connected with a magnetic block (3), the filter screen plate (13) side wall is fixedly connected with a plurality of elastic rods (31), the elastic rods (31) are uniformly distributed on the filter screen plate (13) side wall and are identical in structure, the elastic rod (31) end is fixedly connected with a magnetic ball (32).

4. A low energy consumption molten iron smelting apparatus as claimed in claim 1, characterized in that: The exhaust pipe (11) inner side wall is provided with a baffle (4), the baffle (4) side wall is fixedly connected with a rotating rod (41), the rotating rod (41) penetrates through the baffle (4) wall body and is fixedly connected therewith, the baffle (4) penetrates through the exhaust pipe (11) wall body and is rotationally connected therewith.

5. A low energy consumption apparatus for smelting molten iron as claimed in claim 4 wherein: The rotating rod (41) side wall is fixedly connected with a spring rod (5), the spring rod (5) end is fixedly connected with a rubber block (51).

6. A low energy consumption molten iron smelting apparatus as claimed in claim 3, wherein: The magnetic ball (32) side wall is fixedly connected with a rubber sleeve (6).

7. A low energy consumption molten iron smelting apparatus as claimed in claim 2, wherein: The cleaning brush (24) side wall is fixedly connected with a connecting rod (7), the connecting rod (7) penetrates through the cleaning brush (24) wall body and is fixedly connected therewith.