Proportioning device for high-carbon ferrochrome and low-magnesium aluminum

Abstract

The utility model discloses a proportioning device for high carbon ferrochrome and low magnesium aluminum, which comprises a plurality of raw material storage devices used for storing different raw materials, each raw material storage device comprises a support frame body, a raw material tank, a weighing device and a controller, and the raw material tank is arranged on the support frame body; the upper port of the raw material tank is provided with a tank cover, the lower end of the raw material tank is provided with a funnel-shaped discharge port, the tank cover is provided with a crushing device, and the port of the funnel-shaped discharge port is provided with a flow control valve; the weighing device comprises a warping plate, the middle of the warping plate is rotationally installed on the supporting frame body, a weighing hopper located below the flow control valve is arranged at one end of the warping plate, an electromagnetic control valve is arranged at a lower port of the weighing hopper, and a pressure sensor abuts against the upper end face of the other end of the weighing hopper. The weighing device, the flow control valve, the electromagnetic control valve and the pressure sensor are all electrically connected with the controller.

Description

TECHNICAL FIELD

[0001] The utility model relates to high carbon ferrochrome production equipment technical field, concretely is a kind of high carbon ferrochrome low magnesium aluminium's proportioning device. BACKGROUND

[0002] In the production process of high carbon ferrochrome, the accurate control of magnesium and aluminum content is crucial. Low magnesium and aluminum content of high carbon ferrochrome has important application in some special steel smelting, which can significantly improve the performance of steel. However, manual batching is usually required in the production process of high carbon ferrochrome, which not only has low measurement accuracy, but also requires a large amount of manual operation, increasing labor costs.

[0003] In the prior art, the utility model discloses a high carbon ferrochrome production system with patent number CN201720449906.0. The first bin is arranged at the lower end of the charging car, the grab bucket is arranged at the lower end of the bridge-type bucket, the bridge-type bucket is arranged at one side of the charging car, the second bin is arranged at the lower end of the grab bucket, the screening device is arranged at the lower end of the second bin, the discard plate is arranged at one side of the lower end of the screening device, the jaw crusher is arranged at the other side of the lower end of the screening device, the plate feeder is arranged at one side of the lower end of the jaw crusher, the feeding distribution bin is arranged at the discharge end of the plate feeder, the feeding distribution car is arranged at the lower end of the feeding distribution bin, the feeding bin is arranged at one side of the feeding distribution car, the feeding bin is connected with the electric arc furnace through the discharge pipe, the iron ladle is arranged at the discharge end of the electric arc furnace, and the slag pot is arranged at one side of the iron ladle.

[0004] The high carbon ferrochrome production system provided by the above-mentioned patent improves the supply efficiency of raw materials by setting a feeding device with a screening device, which is beneficial to further improve the production efficiency. However, the feeding device in the production system still needs manual operation of the feeding car for raw material transportation, and lacks an automatic metering device, resulting in low automation degree, which needs to be further improved. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a kind of high carbon ferrochrome low magnesium aluminium's proportioning device, to improve the feeding device in the existing high carbon ferrochrome production system still needs manual operation of the feeding car for raw material transportation, and lacks an automatic metering device, resulting in the problem of low automation degree of high carbon ferrochrome production.

[0006] The utility model discloses a kind of proportioning device of high-carbon chromium iron low-magnesium aluminium, including multiple raw material storage devices, for storing different raw materials, the raw material storage device includes support frame body, raw material tank, weighing device and controller, the raw material tank is located and is arranged on support frame body;The upper end of the raw material tank is provided with tank cover, and lower end is provided with funnel type discharge port, crushing device is provided on the tank cover, and flow control valve is provided on the port of funnel type discharge port;The weighing device includes hinged plate, and the middle part of the hinged plate is rotatably installed on support frame body, and one end of the hinged plate is provided with weighing hopper located below flow control valve, and the lower end of the weighing hopper is provided with electromagnetic control valve, and the upper end surface of the other end is provided with pressure sensor;The weighing device, flow control valve, electromagnetic control valve and pressure sensor are electrically connected with the controller.

[0007] Preferably, the support frame body includes a mounting sleeve, and a plurality of support legs are sequentially arranged on the outer side of the mounting sleeve along the circumferential direction thereof; the raw material tank is fixedly provided with a mounting limiting table on the outer side thereof, and the raw material tank is arranged on the mounting sleeve through the mounting limiting table; the controller is arranged on the side surface of the mounting sleeve; one of the support legs is provided with a rotating hole, and the middle part of the hinged plate is rotatably arranged in the rotating hole; the pressure sensor is fixedly arranged on the support leg, and the lower sensing end thereof abuts against the upper end surface of the hinged plate.

[0008] Preferably, the raw material tank further includes a first vibrator, and a plurality of first vibrators are sequentially arranged on the side surface of the funnel type discharge port along the circumferential direction thereof; the vibration end of the first vibrator abuts against the side surface of the funnel type discharge port.

[0009] Preferably, the weighing device further includes a connecting head, and the connecting head is arranged on one end of the hinged plate below the raw material tank; the connecting head has an annular structure; and the lower end surface of the connecting head is connected to the upper end surface of the weighing hopper.

[0010] Preferably, the crushing device includes a crushing box body, the upper end surface of the tank cover is fixedly provided with the crushing box body in communication with the raw material tank, and a crushing roller and a filter screen are sequentially arranged in the crushing box body from top to bottom.

[0011] Preferably, the crushing roller includes a transmission gear and a motor, and a pair of crushing surfaces of the crushing roller abut against each other; the pair of crushing rollers are synchronously rotated through the transmission gear; and one end of one of the crushing rollers is connected to the motor.

[0012] Preferably, a mounting slot is horizontally arranged in the crushing box body, a plurality of vibration springs are arranged on the inner side of the mounting slot corresponding to the insertion port, the filter screen is inserted into the mounting slot and abuts against the vibration springs, and a plurality of second vibrators are arranged on the outer surface of the crushing box body and abut against the outer end surface of the filter screen.

[0013] Compared with the prior art, the utility model has the advantages of:

[0014] 1、 the utility model discloses a controller controls flow control valve and weighing device, can realize automatic weighing, and the raw material after weighing can be discharged to the next process through the electromagnetic control valve of weighing hopper lower end in weighing device, realizes the function of automatic metering, improves the automation degree of high carbon ferrochrome production.

[0015] 2、 the utility model discloses setting up crushing device, can be crushed into small granular structure before raw material is stored in raw material tank, not only is convenient for storage, but also can prevent the inside of raw material tank from being blocked by big block structure. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is the three-dimensional structure schematic diagram of the utility model;

[0017] Figure 2 It is the structure schematic diagram of support frame body of the utility model;

[0018] Figure 3 It is the structure schematic diagram of raw material tank of the utility model;

[0019] Figure 4 It is the structure schematic diagram of weighing device of the utility model;

[0020] Figure 5 It is the structure schematic diagram of crushing box of the utility model;

[0021] Figure 6 It is the section structure schematic diagram of filter screen installation position of the utility model;

[0022] Figure 7 It is the structure schematic diagram of crushing roller of the utility model.

[0023] In the drawing: 1, raw material storage device;2, support frame body;201, installation sleeve;202, support leg;203, rotating hole;3, raw material tank;301, installation limit platform;302, funnel type discharge port;303, flow control valve;304, first vibrator;4, weighing device;401, hinged plate;402, connecting head;403, weighing hopper;404, electromagnetic control valve;405, pressure sensor;5, tank cover;6, crushing device;601, crushing box;602, filter screen;603, second vibrator;604, vibration spring;605, crushing roller;606, transmission gear;607, motor;608, installation slot;7, controller. DETAILED DESCRIPTION

[0024] In the utility model, unless another definite provision and limitation, the terms "mount", "link", "connect", "fix" and so on terms should do broad sense understanding, for example, can be fixed connection, also can be detachable connection, or be integrated;Can be mechanical connection, also can be electrical connection;Can be direct connection, also can be indirectly connected through the intermediate medium, can be the communication or the interaction of two elements of two elements inside. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to specific circumstances.

[0025] The utility model is further described below in connection with the drawings and specific embodiments:

[0026] Embodiment 1

[0027] As Figures 1-4 shown, a kind of high-carbon ferrochrome low magnesium aluminum's proportioning device, including multiple raw material storage devices 1, for storing different raw materials, raw material storage device 1 includes support frame body 2, raw material tank 3, weighing device 4 and controller 7, raw material tank 3 is arranged on support frame body 2;Considering high-carbon ferrochrome raw material, magnesium-containing additive and aluminum-containing additive are usually solid particles or block shape, raw material tank 3 is made of solid sealed steel structure. Warehouse wall is thickened, can withstand long-term heavy pressure without deformation. Support frame body 2 includes mounting sleeve 201, multiple support legs 202 are sequentially arranged on the outer side of mounting sleeve 201 along its circumferential direction;Raw material tank 3 is fixedly provided with mounting limit platform 301 on the outer side, and raw material tank 3 is arranged on mounting sleeve 201 through mounting limit platform 301;Controller 7 is arranged on the side of mounting sleeve 201;One of support legs 202 is provided with rotating hole 203, the middle part of flap 401 is rotatably arranged in rotating hole 203, and pressure sensor 405 is fixedly arranged on support leg 202, and lower end sensing end is abutted on the upper end surface of flap 401.

[0028] As Figure 3 shown, the upper end of raw material tank 3 is provided with tank cover 5, and the lower end is provided with funnel-shaped discharge port 302, and the tank cover 5 is provided with crushing device 6, and the port of funnel-shaped discharge port 302 is provided with flow control valve 303;Raw material tank 3 further includes first vibrator 304, and multiple first vibrators 304 are sequentially arranged on the side of funnel-shaped discharge port 302 along its circumferential direction, and the vibration end of first vibrator 304 is abutted on the side of funnel-shaped discharge port 302. The funnel-shaped discharge port 302 at the lower end of raw material tank 3 is set to reasonable slope through multiple tests, to ensure that the material will not naturally rest, and then the funnel-shaped discharge port 302 is vibrated by the first vibrator 304, to prevent material blockage.

[0029] As Figures 2-4As shown, the weighing device 4 includes a flap 401, the middle of which is rotatably mounted on the support frame body 2, one end of the flap 401 is provided with a weighing hopper 403 located below the flow control valve 303, the lower end of the weighing hopper 403 is provided with an electromagnetic control valve 404, and the upper end face of the other end is provided with a pressure sensor 405; the flap 401 transmits the weight of the raw material at one end to the pressure sensor 405 at the other end according to the principle of the lever, and the pressure sensor 405 converts the pressure into weight through the controller 7 according to the pressure condition, thereby realizing weight weighing. The weighing device 4 further includes a connecting head 402, one end of the flap 401 located below the raw material tank 3 is provided with the connecting head 402, the connecting head 402 is of an annular structure, and the lower end face of the connecting head 402 is connected with the upper end face of the weighing hopper 403. The weighing device 4, the flow control valve 303, the electromagnetic control valve 404 and the pressure sensor 405 are electrically connected with the controller 7. The controller 7 takes a programmable logic controller (PLC) as the core, is electrically connected with the electromagnetic control valve 404 and the pressure sensor 405 in the flow control valve 303 and the metering device 4 through a cable, a control program is written in the PLC in advance, and a target raw material weight is input. When running, the PLC in the controller 7 converts the pressure signal transmitted by the pressure sensor 405 into weight data according to the preset program, thereby collecting the weight data fed back by the metering device in real time, automatically calculating and controlling the opening degree of the flow control valve 303, and accurately adjusting the conveying amount of the raw material. After installation is completed, the metering device is calibrated through multiple experiments to ensure that its measurement accuracy meets the requirements; the flow control valve is debugged to ensure that it can accurately control the material flow.

[0030] As Figures 5-7As shown, the crushing device 6 includes a crushing box 601. The crushing box 601, which connects to the raw material tank 3, is fixedly installed on the upper end face of the tank cover 5. Inside the crushing box 601, crushing rollers and a filter screen 602 are arranged sequentially from top to bottom. The crushing rollers 605 include a transmission gear 606 and a motor 607. A pair of crushing rollers 605 are arranged with their crushing surfaces abutting each other. The pair of crushing rollers 605 rotate synchronously through the transmission gear 606. One end of one of the crushing rollers 605 is connected to the motor 607. The interior of the crushing box 601 has a horizontally arranged mounting slot 608. Multiple vibration springs 604 are arranged on the inner side of the corresponding insertion opening of the mounting slot 608. The filter screen 602 is inserted into the mounting slot 608 and abuts against the vibration springs 604. Multiple second vibrators 603 are arranged on the outer surface of the crushing box 601 and abut against the outer end face of the filter screen 602. By setting up the crushing device 6, the raw materials fed into the raw material tank 3 can be crushed into small particles, preventing the raw material particles in the raw material tank 3 from being too large and causing blockage of the funnel-shaped discharge port 302. By setting up the filter screen 602, the filter screen 602 can generate vibration through the second vibrator 603, so as to improve the filtration effect. This can filter the crushed raw materials, prevent large particles from being mixed in with the crushed raw materials, and the uncrushed large particles can be taken out again for secondary crushing.

[0031] Example 2

[0032] like Figures 1-4 As shown, a high-carbon ferrochrome and low-magnesium aluminum proportioning device includes multiple raw material storage devices 1 for storing different raw materials. The raw material storage device 1 includes a support frame body 2, a raw material tank 3, a weighing device 4, and a controller 7. The raw material tank 3 is mounted on the support frame body 2. The support frame body 2 includes a mounting sleeve 201, and multiple support legs 202 are arranged sequentially along its circumference on the outer side of the mounting sleeve 201. A mounting limiting platform 301 is fixedly mounted on the outer side of the raw material tank 3, and the raw material tank 3 is mounted on the mounting sleeve 201 through the mounting limiting platform 301. The controller 7 is located on the side of the mounting sleeve 201. A rotating hole 203 is provided on one of the support legs 202, and the middle part of the rocker plate 401 is rotatably mounted in the rotating hole 203. A pressure sensor 405 is fixedly mounted on the support leg 202, and the lower sensing end abuts against the upper surface of the rocker plate 401.

[0033] like Figure 3 As shown, the upper end of the raw material tank 3 is provided with a tank cover 5, and the lower end is provided with a funnel-shaped discharge port 302. The tank cover 5 is provided with a crushing device 6, and the port of the funnel-shaped discharge port 302 is provided with a flow control valve 303. The raw material tank 3 also includes a first vibrator 304. Multiple first vibrators 304 are arranged sequentially along the circumference of the side of the funnel-shaped discharge port 302, and the vibrating end of the first vibrator 304 abuts against the side of the funnel-shaped discharge port 302.

[0034] As Figures 2-4 shown, the weighing device 4 includes a hinged plate 401, the middle of the hinged plate 401 is rotatably mounted on the support frame body 2, one end of the hinged plate 401 is provided with a weighing hopper 403 located below the flow control valve 303, the lower end of the weighing hopper 403 is provided with an electromagnetic control valve 404, and the upper end face of the other end is provided with a pressure sensor 405; the weighing device 4 further includes a connecting head 402, one end of the hinged plate 401 located below the raw material tank 3 is provided with the connecting head 402, the connecting head 402 is of an annular structure, and the lower end face of the connecting head 402 is connected with the upper end face of the weighing hopper 403. The weighing device 4, the flow control valve 303, the electromagnetic control valve 404 and the pressure sensor 405 are electrically connected with the controller 7.

[0035] As Figures 5-7 shown, the crushing device 6 includes a crushing box body 601, the upper end face of the tank cover 5 is fixedly provided with the crushing box body 601 communicated with the raw material tank 3, and the crushing box body 601 is sequentially provided with a crushing roller and a filter screen 602 from top to bottom inside. The crushing roller 605 includes a transmission gear 606 and a motor 607, and a pair of crushing surfaces of the crushing roller 605 are abutted and arranged. The pair of crushing rollers 605 are synchronously rotated through the transmission gear 606, and one end of one of the crushing rollers 605 is connected with the motor 607. The crushing box body 601 is horizontally provided with a mounting slot 608, the inner side of the mounting slot 608 corresponding to the insertion port is provided with a plurality of vibration springs 604, the filter screen 602 is inserted in the mounting slot 608 and abuts against the vibration spring 604, and the outer surface of the crushing box body 601 is provided with a plurality of second vibrators 603 abutting against the outer end face of the filter screen 602.

[0036] The working principle of the utility model is as follows: in use, raw materials are crushed into small particles through the crushing device 6, the crushed particles are filtered through the filter screen 602 and then are placed in the raw material tank 3 for storage, when the raw materials are needed, the flow control valve 303 is opened through the controller 7, the raw material particles automatically flow out from the funnel-shaped discharge port 302 through gravity and are vibrated through the first vibrator 304 to avoid blockage, the raw material particles fall into the weighing hopper 403 after coming out of the funnel-shaped discharge port 302 for weighing, the weight of the weighing hopper 403 drives the hinged plate 401 to press the pressure sensor 405, the controller 7 converts the pressure of the pressure sensor 405 into weight, so that weight monitoring is realized, when the weight reaches a target value, the controller 7 controls the flow control valve 303 to be closed, and then the electromagnetic control valve 404 is opened, so that the weighed raw materials can be discharged.

[0037] In summary, the utility model discloses a controller 7 controls flow control valve 303 and weighing device 4, can realize automatic weighing, and the raw material after weighing can be discharged to the next process through the electromagnetic control valve 404 of the weighing hopper 403 lower end in weighing device 4, realizes the function of automatic metering, improves the automation degree of high carbon ferrochrome production, through setting crushing device 6, can be stored in raw material tank 3 before raw material is broken into small granular structure, not only convenient storage, but also can prevent the blockage of bulk structure inside raw material tank 3.

[0038] The above is only the preferred embodiment of the utility model, and is not used to limit the utility model, for the person skilled in the art, the utility model can have various changes and changes. Any modification, equivalent replacement, improvement etc. that is made within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A proportioning device for high-carbon ferrochrome and low-magnesium alumina, comprising a plurality of raw material storage devices (1) for storing different raw materials, characterized in that, The raw material storage device (1) comprises a support frame body (2), a raw material tank (3), a weighing device (4) and a controller (7), the raw material tank (3) is arranged on the support frame body (2); the upper end of the raw material tank (3) is provided with a tank cover (5), the lower end is provided with a funnel-shaped discharge port (302), the tank cover (5) is provided with a crushing device (6), the port of the funnel-shaped discharge port (302) is provided with a flow control valve (303); the weighing device (4) comprises a hinged plate (401), the middle part of the hinged plate (401) is rotatably installed on the support frame body (2), one end of the hinged plate (401) is provided with a weighing hopper (403) located below the flow control valve (303), the lower end of the weighing hopper (403) is provided with an electromagnetic control valve (404), and the upper end face of the other end is abutted and provided with a pressure sensor (405); the weighing device (4), the flow control valve (303), the electromagnetic control valve (404) and the pressure sensor (405) are electrically connected with the controller (7).

2. The high-carbon ferrochrome low-magnesium alumina proportioning device according to claim 1, characterized in that, The support frame body (2) comprises a mounting sleeve (201), a plurality of support legs (202) are sequentially arranged on the outer side of the mounting sleeve (201) along the circumferential direction thereof; the outer side of the raw material tank (3) is fixedly provided with a mounting limiting table (301), and the raw material tank (3) is arranged on the mounting sleeve (201) through the mounting limiting table (301); the controller (7) is arranged on the side of the mounting sleeve (201); one of the support legs (202) is provided with a rotating hole (203), the middle part of the hinged plate (401) is rotatably arranged in the rotating hole (203), and the pressure sensor (405) is fixedly arranged on the support leg (202), and the lower end sensing end abuts against the upper end face of the hinged plate (401).

3. The high-carbon ferrochrome low-magnesium alumina proportioning device according to claim 1, characterized in that, The raw material tank (3) further comprises a first vibrator (304), a plurality of first vibrators (304) are sequentially arranged on the side of the funnel-shaped discharge port (302) along the circumferential direction thereof, and the vibration end of the first vibrator (304) abuts against the side of the funnel-shaped discharge port (302).

4. The high-carbon ferrochrome low-magnesium alumina proportioning device according to claim 1, characterized in that, The weighing device (4) further comprises a connecting head (402), one end of the hinged plate (401) below the raw material tank (3) is provided with the connecting head (402), the connecting head (402) is of an annular structure, and the lower end face of the connecting head (402) is connected with the upper end face of the weighing hopper (403).

5. The high-carbon ferrochrome low-magnesium alumina proportioning device according to claim 1, characterized in that, The crushing device (6) comprises a crushing box body (601), the upper end face of the tank cover (5) is fixedly provided with the crushing box body (601) communicated with the raw material tank (3), and the crushing roller and the filter screen (602) are sequentially arranged in the crushing box body (601) from top to bottom.

6. The high-carbon ferrochrome low-magnesium alumina proportioning device according to claim 5, characterized in that, The crushing roller (605) comprises a transmission gear (606) and a motor (607), a pair of crushing surfaces of the crushing roller (605) are arranged in abutment, and the pair of crushing rollers (605) rotate synchronously through the transmission gear (606), wherein one end of one of the crushing rollers (605) is connected with the motor (607).

7. The high-carbon ferrochrome low-magnesium alumina proportioning device according to claim 5, characterized in that, The inside of the crushing box (601) is horizontally provided with a mounting slot (608), the inside of the mounting slot (608) is provided with a plurality of vibration springs (604) corresponding to the sockets, the filter screen (602) is inserted in the mounting slot (608) and abuts against the vibration springs (604), and the outer surface of the crushing box (601) is provided with a plurality of second vibrators (603) abutting against the outer end surface of the filter screen (602).

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