Automatic coke nut spraying device for tapping

Abstract

The utility model relates to the technical field of steel smelting, in particular to an automatic coke nut spraying device for tapping, which comprises a hopper, a blanking channel fixedly mounted at the lower end of the hopper, a blowing channel fixedly mounted at the lower end of the blanking channel, a fixed spraying pipe fixedly mounted on the right side of the blowing channel, and a movable spraying pipe arranged on the outer side of the fixed spraying pipe. Connecting rods are arranged on the front side and the rear side of the movable spraying pipe, first electric push rods are arranged on the front side and the rear side of the blowing channel, and a filter screen is fixedly installed on the inner side of the discharging channel. Medium-pressure nitrogen is output through the blowing channel to spray nut coke into the converter, automation of nut coke adding is achieved, the first electric push rod drives the movable spray pipe to slide on the outer side of the fixed spray pipe, so that the overall length of the spray pipe is adjusted, the using flexibility of the device is improved, and the second electric push rod drives the sealing cover to be separated from the discharging channel. And the scraping plate scrapes the upper end of the filter screen and drives the impurities to fall onto the material guide plate, so that cleaning of the filter screen and concentrated discharging of the impurities are realized.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of steel smelting technology especially relates to be used for automatic coke butts device of blowing of tapping. BACKGROUND

[0002] Coke butt is the broken block produced in the coke production process, has higher fixed carbon content and mechanical strength, therefore often is used as the reducing agent of metallurgical industry, especially in the steel smelting process, in order to improve the effect of splashing slag protection furnace, needs to add coke butt to the furnace during tapping to reduce the oxidation of final slag.

[0003] For example patent number CN217324157U, discloses a converter automatic coke butt equipment, include: base, the base one side middle part symmetry is equipped with support leg, and the support leg other side is equipped with the injection mixing jar, and the injection mixing jar is equipped with coke butt storage bunker with its intercommunication far from the base, the utility model discloses beneficial effect is: when not needing to add coke butt, trigger protruding block and induction concave block stick together, when needing to add coke butt, drive cylinder works, drives trigger protruding block to move, makes trigger protruding block and induction concave block separate, timing module works starts timing, trigger protruding block movement will drive slider movement, and then drive makes baffle movement, makes injection mixing jar keep unobstructed and carry out discharge, thereby can realize automatic discharge, reduces the labor intensity of staff, avoids staff to be scalded by steel slag and flame in the process of adding, improves the safety of the device;The blowing injection pipeline of the automatic coke butt device in this patent cannot be folded and adjusted, and the flexibility is low, interference is easy to occur when the fire door is opened, and the filter screen cannot be cleaned in time, so that impurities are easy to accumulate on the filter screen, affecting the smoothness of the discharge, and even causing blockage.

[0004] Therefore, in view of the problem that the blowing injection pipeline of the automatic coke butt device cannot be folded and adjusted, the flexibility is low, interference is easy to occur when the fire door is opened, and the filter screen cannot be cleaned in time, so that impurities are easy to accumulate on the filter screen, affecting the smoothness of the discharge, an automatic coke butt device for tapping can be designed, a foldable and adjustable blowing injection pipeline is provided to realize flexible control of the length of the blowing injection pipeline, and an automatic impurity removal structure is provided to realize timely cleaning of the filter screen. UTILITY MODEL CONTENTS

[0005] In order to overcome the problem that the blowing injection pipeline of the automatic coke butt device cannot be folded and adjusted, the flexibility is low, interference is easy to occur when the fire door is opened, and the filter screen cannot be cleaned in time, so that impurities are easy to accumulate on the filter screen, affecting the smoothness of the discharge.

[0006] The utility model discloses a technical scheme for the automatic coke butts spraying device for tapping, which comprises a hopper, a discharging channel fixedly installed at the lower end of the hopper, a blowing channel fixedly installed at the lower end of the discharging channel, a fixed spray pipe fixedly installed at the right side of the blowing channel, a movable spray pipe arranged at the outside of the fixed spray pipe, connecting rods arranged at the front and back sides of the movable spray pipe, an electric push rod one arranged at the front and back sides of the blowing channel, a filter screen fixedly installed at the inner side of the discharging channel, a scraper arranged at the upper end of the filter screen, a baffle arranged above the scraper, a sealing cover arranged at the rear side of the discharging channel, a connecting plate arranged at the rear side of the sealing cover, and an electric push rod two arranged at the left and right sides of the discharging channel.

[0007] Preferably, the medium-pressure nitrogen gas is output through the blowing channel to spray the coke butts into the converter, realizing the automation of coke butt addition, the movable spray pipe is driven by the electric push rod one to slide outside the fixed spray pipe, so as to adjust the length of the spray pipe as a whole, improving the flexibility of the device in use, the connecting plate is driven by the electric push rod two to move, so as to make the sealing cover separate from the rear side of the discharging channel, drive the scraper to scrape over the upper end of the filter screen, and drive the impurities to fall from the surface of the scraper to the guide plate, realizing the cleaning of the filter screen and the centralized discharging of the impurities.

[0008] Preferably, the upper end of the hopper is provided with a movable cover plate, a vibration motor is fixedly installed at the outside of the hopper, the lower end of the hopper and the upper end of the discharging channel are connected to each other, and the lower end of the discharging channel and the inner side of the blowing channel are connected to each other.

[0009] Preferably, a gas injection pipeline is connected to the left side of the blowing channel, the left end of the fixed spray pipe and the inner side of the blowing channel are connected to each other, and the movable spray pipe and the fixed spray pipe are slidably sleeved.

[0010] Preferably, the connecting rods and the electric push rod one are symmetrically arranged front and back, the electric push rod one is fixedly connected to the outside of the blowing channel, the right end of the connecting rod is fixedly connected to the outside of the movable spray pipe, and the left end of the connecting rod is fixedly connected to the output end of the electric push rod one.

[0011] Preferably, a driving mechanism is fixedly installed at the front side of the discharging channel, the front side of the baffle is in transmission connection with the driving mechanism, the rear end of the baffle extends to the inner side of the discharging channel through a through groove, and the baffle and the inner side of the discharging channel are adapted to each other.

[0012] Preferably, the scraper and the upper end of the filter screen are adapted to each other, the scraper is designed in a U-shaped structure, the left and right ends of the scraper are fixedly connected to the front side of the sealing cover, the sealing cover is in sealing connection with the rear side of the discharging channel, and the rear side of the discharging channel is fixedly installed with a guide plate below the sealing cover.

[0013] Preferably, the connecting plate is fixedly connected to the rear side of the sealing cover, the electric push rod two is symmetrically arranged left and right, the electric push rod two is fixedly connected to the outside of the discharging channel, and the left and right ends of the connecting plate are fixedly connected to the output end of the electric push rod two.

[0014] The utility model discloses the beneficial effect of having:

[0015] The automatic coke butting device for tapping, through the medium pressure nitrogen gas of jet pipeline output makes coke butting from fixed spray pipe and movable spray pipe and sprays into the converter, realizes the automation of coke butting addition, through electric push rod one drives movable spray pipe to slide outside fixed spray pipe, thereby adjusting the length of spray pipe whole, improves the flexibility of device use, through electric push rod two drives connecting plate to move, thereby making sealing cover separate from the rear side of the blanking channel, drives the scraper to scrape over on the filter screen upper end, and drives the impurity to fall from the scraper surface to the guide plate, realizes the cleaning of filter screen and the centralized blanking of impurity. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 The utility model discloses the automatic coke butting device for tapping three -dimensional structure schematic diagram Figure One .

[0017] Figure 2 The utility model discloses the automatic coke butting device for tapping three -dimensional structure schematic diagram Figure Two .

[0018] Figure 3 The utility model discloses the automatic coke butting device for tapping three -dimensional structure schematic diagram Figure Three .

[0019] Figure 4 The utility model discloses the automatic coke butting device for tapping cross section three -dimensional structure schematic diagram Figure One .

[0020] Figure 5 The utility model discloses the automatic coke butting device for tapping cross section three -dimensional structure schematic diagram Figure Two .

[0021] Figure legend is explained: 1, hopper;2, blanking channel;21, guide plate;3, blow material channel;31, jet pipeline;4, fixed spray pipe;5, movable spray pipe;6, connecting rod;7, electric push rod one;8, filter screen;9, scraper;10, baffle;11, sealing cover;12, connecting plate;13, electric push rod two. DETAILED DESCRIPTION

[0022] The utility model will be further explained below in connection with the drawings and examples.

[0023] Please refer to Figures 1-5The utility model provides an embodiment: automatic coke butts device for tapping, including hopper 1, the lower end fixed mounting of hopper 1 has the blanking channel 2, the lower end fixed mounting of blanking channel 2 has the blowing material channel 3, the right side fixed mounting of blowing material channel 3 has fixed spray pipe 4, the outside of fixed spray pipe 4 is provided with movable spray pipe 5, the front and back both sides of movable spray pipe 5 are provided with connecting rod 6, the front and back both sides of blowing material channel 3 are provided with electric push rod one 7, the inner side fixed mounting of blanking channel 2 has filter screen 8, the upper end of filter screen 8 is provided with scraper 9, the above of scraper 9 is provided with baffle 10, the rear side of blanking channel 2 is provided with sealing cover 11, the rear side of sealing cover 11 is provided with connecting plate 12, the left and right sides of blanking channel 2 are provided with electric push rod two 13.

[0024] Please refer to Figures 1-4 In the embodiment, the upper end of hopper 1 is provided with movable cover plate, the outer side of hopper 1 is fixedly installed with vibration motor, the lower end of hopper 1 and the upper end of blanking channel 2 are interconnected, the lower end of blanking channel 2 and the inner side of blowing material channel 3 are interconnected, the left side of blowing material channel 3 is connected with air injection pipeline 31, the left end of fixed spray pipe 4 and the inner side of blowing material channel 3 are interconnected, movable spray pipe 5 and fixed spray pipe 4 are slidingly sleeved, connecting rod 6 and electric push rod one 7 are symmetrically arranged front and back, electric push rod one 7 and the outer side of blowing material channel 3 are fixedly connected, the right end of connecting rod 6 and the outer side of movable spray pipe 5 are fixedly connected, the left end of connecting rod 6 and the output end of electric push rod one 7 are fixedly connected, hopper 1 is used to store coke butts, the baffle 10 is controlled by the drive mechanism to remove the blanking of blanking channel 2, so that the coke butts fall into blowing material channel 3 after the impurities are screened out by filter screen 8, the medium-pressure nitrogen gas is output through air injection pipeline 31 to make the coke butts be sprayed into the converter from fixed spray pipe 4 and movable spray pipe 5, realize the automation of coke butts addition, the movable spray pipe 5 can be driven to slide outside fixed spray pipe 4 through the telescopic electric push rod one 7, so as to adjust the length of spray pipe as a whole, improve the flexibility of device use.

[0025] Please refer to Figures 2-5In the embodiment, the front side of the discharging channel 2 is fixedly provided with a driving mechanism, the front side of the baffle 10 is in transmission connection with the driving mechanism, the rear end of the baffle 10 extends to the inner side of the discharging channel 2 through a through slot, the baffle 10 and the inner side of the discharging channel 2 are matched with each other, the upper end of the scraper 9 and the filter screen 8 are matched with each other, the scraper 9 is designed in a U-shaped structure, the left and right ends of the scraper 9 are fixedly connected with the front side of the sealing cover 11, the sealing cover 11 is sealingly connected with the rear side of the discharging channel 2, the rear side of the discharging channel 2 is fixedly provided below the sealing cover 11 with a guide plate 21, the rear side of the connecting plate 12 is fixedly connected with the sealing cover 11, the electric push rod two 13 is arranged in left-right symmetry, the electric push rod two 13 is fixedly connected with the outer side of the discharging channel 2, the left and right ends of the connecting plate 12 are fixedly connected with the output end of the electric push rod two 13, when it is needed to clean the impurities on the filter screen 8, the baffle 10 is controlled to be closed, the coke butts in the discharging channel 2 are discharged, the connecting plate 12 is driven to move by the electric push rod two 13, so that the sealing cover 11 is separated from the rear side of the discharging channel 2, the scraper 9 is scraped on the upper end of the filter screen 8, and the impurities are caused to fall from the surface of the scraper 9 to the guide plate 21, so that the filter screen 8 is cleaned and the impurities are concentrated and discharged.

[0026] In the working process, the hopper 1 is used for storing coke butts, the baffle 10 is controlled to be opened by the driving mechanism, so that the coke butts are discharged from the discharging channel 2, the coke butts are filtered by the filter screen 8, and then fall into the blowing channel 3, the medium-pressure nitrogen gas is output from the jet pipe 31, so that the coke butts are sprayed into the converter from the fixed jet pipe 4 and the movable jet pipe 5, the automation of coke butt adding is realized, the movable jet pipe 5 is caused to slide outside the fixed jet pipe 4 by the extension and retraction of the electric push rod one 7, so that the length of the jet pipe as a whole is adjusted, the flexibility of the device is improved, when it is needed to clean the impurities on the filter screen 8, the baffle 10 is controlled to be closed, the coke butts in the discharging channel 2 are discharged, the connecting plate 12 is driven to move by the electric push rod two 13, so that the sealing cover 11 is separated from the rear side of the discharging channel 2, the scraper 9 is scraped on the upper end of the filter screen 8, and the impurities are caused to fall from the surface of the scraper 9 to the guide plate 21, so that the filter screen 8 is cleaned and the impurities are concentrated and discharged.

[0027] Through the above steps, the movable jet pipe 5 is caused to slide outside the fixed jet pipe 4 by the electric push rod one 7, so that the length of the jet pipe as a whole is adjusted, the connecting plate 12 is driven to move by the electric push rod two 13, so that the sealing cover 11 is separated from the rear side of the discharging channel 2, the scraper 9 is scraped on the upper end of the filter screen 8, and the impurities are caused to fall from the surface of the scraper 9 to the guide plate 21, so that the filter screen 8 is cleaned and the impurities are concentrated and discharged, so as to solve the problems that the blowing and spraying pipeline of the automatic coke butt spraying device cannot be folded and adjusted, the flexibility is low, interference is easily caused when the fire door is opened, the filter screen cannot be cleaned in time, the impurities are easily accumulated on the filter screen, and the smoothness of discharging is affected.

Claims

1. An automatic coke spraying device for steel tapping, comprising a hopper (1), characterized in that: A feeding channel (2) is fixedly mounted at the lower end of the feeding channel (2), a blowing channel (3) is fixedly mounted at the lower end of the feeding channel (2), a fixed nozzle (4) is fixedly mounted on the right side of the blowing channel (3), a movable nozzle (5) is arranged on the outer side of the fixed nozzle (4), connecting rods (6) are arranged on the front and rear sides of the movable nozzle (5), an electric push rod (7) is arranged on the front and rear sides of the blowing channel (3), a filter (8) is fixedly mounted on the inner side of the feeding channel (2), a scraper (9) is arranged on the upper end of the filter (8), a baffle (10) is arranged above the scraper (9), a sealing cover (11) is arranged on the rear side of the feeding channel (2), a connecting plate (12) is arranged on the rear side of the sealing cover (11), and electric push rods (13) are arranged on the left and right sides of the feeding channel (2).

2. The automatic coke spraying device for steel tapping according to claim 1, characterized in that: A movable cover is provided at the upper end of the hopper (1), a vibration motor is fixedly installed on the outer side of the hopper (1), the lower end of the hopper (1) and the upper end of the discharge channel (2) are connected to each other, and the lower end of the discharge channel (2) and the inner side of the blowing channel (3) are connected to each other.

3. The automatic coke spraying device for steel tapping according to claim 1, characterized in that: The left side of the blowing channel (3) is connected to an air jet pipe (31), the left end of the fixed nozzle (4) and the inner side of the blowing channel (3) are connected to each other, and the movable nozzle (5) and the fixed nozzle (4) are slidably connected.

4. The automatic coke spraying device for steel tapping according to claim 1, characterized in that: The connecting rod (6) and the electric push rod (7) are both symmetrically arranged front to back. The electric push rod (7) is fixedly connected to the outer side of the blowing channel (3). The right end of the connecting rod (6) is fixedly connected to the outer side of the movable nozzle (5). The left end of the connecting rod (6) is fixedly connected to the output end of the electric push rod (7).

5. The automatic coke spraying device for steel tapping according to claim 1, characterized in that: A driving mechanism is fixedly installed on the front side of the material discharge channel (2), the front side of the baffle (10) is transmission-connected to the driving mechanism, the rear end of the baffle (10) extends to the inner side of the material discharge channel (2) through the through slot, and the baffle (10) and the inner side of the material discharge channel (2) are adapted to each other.

6. The automatic coke spraying device for steel tapping according to claim 1, characterized in that: The upper ends of the scraper (9) and the filter (8) are adapted to each other. The scraper (9) is designed in a U-shaped structure. The left and right ends of the scraper (9) are fixedly connected to the front side of the sealing cover (11). The sealing cover (11) is sealed to the rear side of the discharge channel (2). The rear side of the discharge channel (2) is located below the sealing cover (11) and is fixedly installed with a guide plate (21).

7. The automatic coke spraying device for steel tapping according to claim 1, characterized in that: The connecting plate (12) is fixedly connected to the rear side of the sealing cover (11), the second electric push rod (13) is symmetrically arranged on the left and right, the second electric push rod (13) is fixedly connected to the outer side of the discharge channel (2), and the left and right ends of the connecting plate (12) are fixedly connected to the output end of the second electric push rod (13).

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