CN219258962U

CN219258962U - Smelting metal adding device

Info

Publication number: CN219258962U
Application number: CN202320031685.0U
Authority: CN
Inventors: 谭晓峰; 张旭君; 牟金合; 宋宝华; 李娜; 卢志翀; 吴长武
Original assignee: Capital Engineering & Research Inc Ltd
Current assignee: Capital Engineering & Research Inc Ltd
Priority date: 2023-01-06
Filing date: 2023-01-06
Publication date: 2023-06-27
Anticipated expiration: 2033-01-06

Abstract

The utility model discloses a smelting metal adding device, which relates to the technical field of metallurgy, and comprises: a material warehouse for storing metal materials; the scanner is arranged in the material warehouse and used for scanning the metal materials in the material warehouse to obtain a three-dimensional data model of the metal materials; an electromagnetic disc crane arranged in the material warehouse; the material bin is arranged in the material warehouse, and a feeder is arranged below an outlet of the material bin; the control unit is electrically connected with the scanner and the electromagnetic disc crane, and the control unit controls the electromagnetic disc crane based on the scanner. The automatic feeding can be realized, manual operation is not needed in the whole process, and labor cost is reduced.

Description

Smelting metal adding device

Technical Field

The utility model relates to the technical field of metallurgy, in particular to a smelting metal adding device.

Background

In the blast furnace ironmaking production process, raw fuels containing sintered ore, pellet, lump ore, coke and the like are generally added into a blast furnace through a feeding main belt conveyor to carry out smelting. In recent years, with the increase of accumulated steel in China, the amount of social scrap steel resources is steadily increasing. In order to improve the recycling rate of scrap steel, reduce the raw fuel cost of iron making ton and increase the yield of molten iron, many ferrous metallurgy enterprises are researching how to add scrap steel into a blast furnace for smelting so as to improve the economic benefit of the enterprises. At present, part of ferrous metallurgy enterprises adopt a charging hopper and a weighing hopper on a main belt conveyor of a blast furnace, and scrap steel is charged to the blast furnace in a mode of manually operating an electromagnetic disc crane, so that the method has the defects of high factory building investment, long equipment flow, large manual work load, large safety risk around the scrap steel hopper, environmental protection inadequately and the like, and particularly the whole operation process needs to manually and continuously operate the electromagnetic disc crane for charging, so that the manual work load is large, and the occupied labor cost is high.

Disclosure of Invention

In order to overcome the defects in the prior art, the technical problem to be solved by the embodiment of the utility model is to provide the smelting metal adding device which can realize automatic feeding, does not need manual operation in the whole process, and reduces the labor cost.

The specific technical scheme of the embodiment of the utility model is as follows:

a smelting metal adding apparatus, the smelting metal adding apparatus comprising:

a material warehouse for storing metal materials;

the scanner is arranged in the material warehouse and used for scanning the metal materials in the material warehouse to obtain a three-dimensional data model of the metal materials;

an electromagnetic disc crane arranged in the material warehouse;

the material bin is arranged in the material warehouse, and a feeder is arranged below an outlet of the material bin;

the control unit is electrically connected with the scanner and the electromagnetic disc crane, and the control unit controls the electromagnetic disc crane based on the scanner.

Preferably, the smelting metal adding apparatus further includes:

the mist sprayer is arranged in the material warehouse and can rotate left and right and/or pitch and tilt.

Preferably, the scanner is a 2D scanner; the top of the interior of the material warehouse is provided with a track; the scanner is mounted on the rail and is movable on the rail.

Preferably, the scanner is a 3D scanner, which is fixedly mounted within the material warehouse.

Preferably, the ground of the material warehouse is provided with a pit, and the material warehouse is arranged in the pit;

the smelting metal adding device further comprises:

and one end of the material conveyor is positioned below the outlet of the feeder, and the other end of the material conveyor extends to the ground outside the material warehouse.

Preferably, the electromagnetic disc crane comprises a cart running mechanism, a trolley running mechanism and a lifting mechanism, wherein sensors for detecting the positions of the electromagnetic disc crane are arranged on the cart running mechanism, the trolley running mechanism and the lifting mechanism.

Preferably, a weighing sensor for detecting the weight of the materials in the material bin is arranged on the supporting point of the material bin.

Preferably, the material conveyor is a belt feeder with a weighing system for weighing the material on the belt feeder, the driving motor of the belt feeder is a variable frequency motor, and the power of the variable frequency motor is determined according to the weight of the material on the belt feeder detected by the weighing system.

Preferably, the material bin is of a bucket type structure, an inlet of the material bin is arranged upwards, and a filter screen is arranged at the inlet of the material bin.

Preferably, a gate is arranged at the outlet of the material bin and is electrically connected with the weighing sensor, and when the weight of the material in the material bin detected by the weighing sensor reaches the preset weight, the gate is opened.

The technical scheme of the utility model has the following remarkable beneficial effects:

the smelting metal adding device can realize full-automatic feeding operation of metal materials under unmanned intervention, so that the aim of saving labor cost is fulfilled. And secondly, the dust generated in the loading and unloading process of the metal materials can be effectively inhibited by adopting a closed material warehouse and a mist sprayer. In addition, the material bin adopts an underground structure, so that various risks of metal material scattering in the production process can be reduced. Finally, the weighing belt feeder with the variable frequency speed regulation function can enable the smelting metal adding device to have the capability of quantitatively feeding materials to the blast furnace at any time.

Specific embodiments of the utility model are disclosed in detail below with reference to the following description and drawings, indicating the manner in which the principles of the utility model may be employed. It should be understood that the embodiments of the utility model are not limited in scope thereby. Features that are described and/or illustrated with respect to one embodiment may be used in the same way or in a similar way in one or more other embodiments in combination with or instead of the features of the other embodiments.

Drawings

The drawings described herein are for illustration purposes only and are not intended to limit the scope of the present disclosure in any way. In addition, the shapes, proportional sizes, and the like of the respective components in the drawings are merely illustrative for aiding in understanding the present utility model, and are not particularly limited. Those skilled in the art with access to the teachings of the present utility model can select a variety of possible shapes and scale sizes to practice the present utility model as the case may be.

FIG. 1 is a front view of a smelting metal adding apparatus in accordance with an embodiment of the present utility model;

FIG. 2 is a side view of a smelting metal adding apparatus in accordance with an embodiment of the utility model.

Reference numerals of the above drawings:

1. a material warehouse; 2. a mist sprayer; 3. a scanner; 4. electromagnetic disc crane; 5. a metal material; 6. a front end loader; 7. a filter screen; 8. a material bin; 9. a gate; 10. a feeder; 11. a material conveyor; 12. a main belt conveyor of a blast furnace.

Detailed Description

The details of the utility model will be more clearly understood in conjunction with the accompanying drawings and description of specific embodiments of the utility model. However, the specific embodiments of the utility model described herein are for the purpose of illustration only and are not to be construed as limiting the utility model in any way. Given the teachings of the present utility model, one of ordinary skill in the related art will contemplate any possible modification based on the present utility model, and such should be considered to be within the scope of the present utility model. It will be understood that when an element is referred to as being "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "mounted," "connected," "coupled," and "connected" are to be construed broadly, and may be, for example, mechanically or electrically connected, may be in communication with each other in two elements, may be directly connected, or may be indirectly connected through an intermediary, and the specific meaning of the terms may be understood by those of ordinary skill in the art in view of the specific circumstances. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like are used herein for illustrative purposes only and are not meant to be the only embodiment.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used herein in the description of the application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

In order to realize automatic feeding, the whole process does not need manual operation, and labor cost is reduced, in the application, a smelting metal adding device is provided, fig. 1 is a front view of the smelting metal adding device in the embodiment of the utility model, and fig. 2 is a side view of the smelting metal adding device in the embodiment of the utility model, as shown in fig. 1 and fig. 2, the smelting metal adding device may include: a material warehouse 1, a scanner 3, a solenoid crane 4, a material bin 8 and a control unit.

Wherein the material warehouse 1 is used for storing metal materials 5, the metal materials 5 can be waste materials, and the waste materials are piled on the ground in the material warehouse 1. The scrap metal is magnetic metal so that the electromagnetic disc crane 4 can pick up it up and throw it into the magazine 8. The material warehouse 1 can be a closed material warehouse 1, and is sealed by adopting color steel plates, and the side walls around the material warehouse 1 can be provided with a plurality of gates for the front-end loader 6 and the dumper to go in and out. The material warehouse 1 can be divided into a stacking area, a loading area, a vehicle transportation channel and the like.

As shown in fig. 1 and 2, a scanner 3 may be installed within the material warehouse 1, the scanner 3 being configured to scan the material metal in the material warehouse 1 to obtain a three-dimensional data model of the material. The three-dimensional data model of the acquired material may be sent to a control unit. When the scanner 3 is a 2D scanner 3, the top of the interior of the material warehouse 1 has a rail on which the scanner 3 is mounted and can move. In the above manner, the scanner 3 can be made to scan the material metal in the material warehouse 1 at different position angles so as to build a three-dimensional data model. When the scanner 3 is a 3D scanner 3, the scanner 3 may be fixedly mounted directly in the material warehouse 1, and no movement may be required. Generally, the scanner 3 is mounted on top of the interior of the material warehouse 1, for example, at an upper position of the metal material 5.

As shown in fig. 1 and 2, a solenoid jack 4 is mounted within the material warehouse 1, which may be located above the metal material 5. For example, the electromagnetic disc crane 4 may be mounted on the wall on opposite sides of the material warehouse 1. The material bin 8 is arranged in the material warehouse 1, and a feeder 10 is arranged below the outlet of the material bin 8. The control unit is electrically connected with the scanner 3 and the electromagnetic disc crane 4, and the control unit controls the electromagnetic disc crane 4 based on the scanner 3. The control unit can control the electromagnetic disc crane 4 according to the three-dimensional data model of the metal material 5 acquired by the scanner 3, so that the electromagnetic disc crane 4 can move the lifting mechanism to the stacking position of the metal material 5 to suck part of the metal material 5, then move to the material bin 8 and be put into the material bin 8. The control unit can control the electromagnetic disc crane 4 to automatically supplement the metal materials 5 to the material bin 8 according to an optimal path, so that when the metal materials 5 are needed by subsequent equipment such as a blast furnace and the like, the metal materials 5 in the material bin 8 can be timely delivered into the blast furnace.

In order to enable the control unit to accurately know the horizontal position and the height position of the lifting mechanism, the electromagnetic disc crane 4 may comprise a cart running mechanism, a trolley running mechanism and a lifting mechanism, and sensors for detecting the positions of the cart running mechanism, the trolley running mechanism and the lifting mechanism are all arranged on the cart running mechanism, the trolley running mechanism and the lifting mechanism. The sensors for detecting the positions of the sensors can be electrically connected with the control unit, so that the accuracy of the control unit on the electromagnetic disc crane 4 is improved.

When the electromagnetic disc crane 4 in the material warehouse 1 is in a fault maintenance state, the front-end loader 6 can be driven into the material warehouse 1, and the metal material 5 is supplemented into the material warehouse 8 by manually operating the front-end loader 6, so that the metal smelting adding device can supply the metal material 5 to subsequent equipment at any time.

As a possible way, as shown in fig. 1 and 2, the smelting metal adding means may include: a mist sprayer 2. The mist sprayer 2 is installed in the material warehouse 1, and the mist sprayer 2 can rotate left and right and/or pitch and tilt. The mist sprayer 2 can be installed on an overhead steel structure platform, the mist sprayer 2 can be interlocked with the dump truck of the material warehouse 1, the operation signals of the electromagnetic disc crane 4 and the like, and the mist sprayer can automatically spray dust raising points in the material warehouse 1.

As a possibility, as shown in fig. 1 and 2, the material warehouse 1 may have a pit on the ground in which the material warehouse 8 is arranged. The upper end of the material bin 8 may be substantially flush with the ground, which may reduce the risk of metal material 5 falling off the material bin 8 during production.

As a possible way, as shown in fig. 2, the smelting metal adding means may include: and a material conveyor 11, one end of the material conveyor 11 is positioned below the outlet of the feeder 10, and the other end of the material conveyor 11 extends to the ground outside the material warehouse 1. The material conveyor 11 may extend obliquely in the underpass from the pit all the way to the ground outside the material warehouse 1. Additionally, the feeder 10 may be a belt feeder 10 having a weighing system for weighing material on the belt feeder 10, the drive motor of the belt feeder 10 being a variable frequency motor, the power of the variable frequency motor being determined based on the weight of material on the belt feeder 10 detected by the weighing system. The output rotating speed of the variable frequency motor can be adjusted through the mode, so that the purpose of quantitative feeding is achieved. A blast furnace main belt conveyor 12 may be provided below the other end of the material conveyor 11. Further, the material conveyor 11 may be provided with various detection elements such as slip detection, deviation detection, material flow detection, head hopper blocking detection, and conveyor belt tearing prevention detection.

In another embodiment, the feeder 10 at the outlet of the material bin 8 may be a motor vibration feeder 10 with a variable frequency speed regulation function, the belt feeder 10 is provided with a weighing system for weighing the material on the belt feeder 10, and the power of the motor vibration feeder 10 can be determined according to the weight of the material on the belt feeder 10 detected by the weighing system, so that the purpose of quantitative feeding can be achieved.

As shown in fig. 1 and 2, the material bin 8 may be of bucket construction. In order to save the cost, the material bin 8 can be provided with 4 supporting points, wherein two supporting points on one side can be connected in a hinged mode, and a weighing sensor for detecting the weight of materials in the material bin 8 can be installed on two supporting points on the other side so as to detect the quantity of the metal materials 5 in the material bin 8. The inlet of the material bin 8 can be arranged towards the upper side, and a filter screen 7 is arranged at the inlet of the material bin 8. The interval of the filter screen 7 can be adjusted according to the technological requirement, and the purpose of the filter screen 7 is to prevent the blast furnace from being carried out by massive metal which does not meet the use requirement of the blast furnace. The inner wall of the material silo 8 may be provided with a replaceable wear resistant lining plate to protect the material silo 8.

As a practical matter, as shown in fig. 1 and 2, a gate 9 may be disposed at the outlet of the material bin 8, where the gate 9 is electrically connected to the load cell, and when the weight of the material in the material bin 8 detected by the load cell reaches a preset weight, the gate 9 is opened. The gate 9 and the material conveyor 11 below are in flexible connection, so that the purpose of not affecting the weighing precision of the material bin 8 is achieved.

The operation mode of the smelting metal adding device in the application can be as follows: the scanner 3 arranged in the material warehouse 1 scans the metal materials 5 piled in the material warehouse 1 in real time, and sends the three-dimensional data model established after scanning to the control unit for processing. The material bin 8 is provided with a weighing function, when the amount of the metal material 5 in the material bin 8 is lower than a certain amount, the control unit controls the electromagnetic disc crane 4 to automatically supplement the metal material 5 for the material bin 8 until the metal material 5 in the material bin 8 reaches the maximum amount, and then the material bin is stopped. After receiving the feeding command, the conveying capacity (t/h) and the single feeding amount (t) of the metal materials 5 transmitted by the follow-up equipment such as a blast furnace, the control unit opens the gate 9 below the material bin 8 and sequentially starts the scrap steel conveyor and the weighing belt feeder 10 to supply the metal materials 5 to the blast furnace main belt conveyor 12. When the self-discharging automobile unloads the metal materials 5 to the material warehouse 1 or starts the electromagnetic disc crane 4 to carry out the loading and unloading operation of the metal materials 5, the fog jet device 2 is automatically started to jet water fog to the material warehouse 1, and dust in an operation area is restrained. The material layer in the main belt conveyor 12 of the blast furnace can be divided into two parts, the lower part material can be raw fuel transported from a blast furnace ore tank, and the metal material 5 (such as scrap steel) added by the device is positioned at the upper part of the material layer, so that most of the metal material 5 is not in direct contact with the conveying belt of the main belt conveyor 12 of the blast furnace, and the effect of protecting the conveying belt is achieved.

The smelting metal adding device can realize full-automatic feeding operation of the metal material 5 under the condition of no intervention, thereby achieving the purpose of saving labor cost. Secondly, by adopting the closed material warehouse 1 and the mist sprayer 2, dust generated in the loading and unloading process of the metal materials 5 can be effectively inhibited. In addition, the material bin 8 adopts an underground structure, so that various risks of spilling the metal materials 5 in the production process can be reduced. Finally, the weighing belt feeder 10 with the variable frequency speed regulation function can enable the smelting metal adding device to have the capability of quantitatively feeding materials to the blast furnace at any time.

All articles and references, including patent applications and publications, disclosed herein are incorporated by reference for all purposes. The term "consisting essentially of …" describing a combination shall include the identified element, ingredient, component or step as well as other elements, ingredients, components or steps that do not substantially affect the essential novel features of the combination. The use of the terms "comprises" or "comprising" to describe combinations of elements, components, or steps herein also contemplates embodiments consisting essentially of such elements, components, or steps. By using the term "may" herein, it is intended that any attribute described as "may" be included is optional. Multiple elements, components, parts or steps can be provided by a single integrated element, component, part or step. Alternatively, a single integrated element, component, part or step may be divided into separate plural elements, components, parts or steps. The disclosure of "a" or "an" to describe an element, component, section or step is not intended to exclude other elements, components, sections or steps.

The foregoing is merely a few embodiments of the present utility model, and the embodiments disclosed in the present utility model are merely examples which are used for the convenience of understanding the present utility model and are not intended to limit the present utility model. Any person skilled in the art can make any modification and variation in form and detail of the embodiments without departing from the spirit and scope of the present disclosure, but the scope of the present disclosure is still subject to the scope of the appended claims.

Claims

1. A smelting metal adding apparatus, characterized in that the smelting metal adding apparatus includes:

a material warehouse for storing metal materials;

an electromagnetic disc crane arranged in the material warehouse;

2. The smelted metal adding apparatus according to claim 1, wherein the smelted metal adding apparatus further comprises:

3. The smelted metal feeder of claim 1, wherein the scanner is a 2D scanner; the top of the interior of the material warehouse is provided with a track; the scanner is mounted on the rail and is movable on the rail.

4. The smelted metal feeder of claim 1, wherein the scanner is a 3D scanner, the scanner being fixedly mounted within the material warehouse.

5. The smelting metal adding apparatus as claimed in claim 1, wherein the material warehouse has a pit on the ground, and the material bin is disposed in the pit;

the smelting metal adding device further comprises:

6. The apparatus according to claim 1, wherein the electromagnetic disc crane comprises a cart operation mechanism, a trolley operation mechanism, and a lifting mechanism, and sensors for detecting the positions of the cart operation mechanism, the trolley operation mechanism, and the lifting mechanism are mounted on the cart operation mechanism, the trolley operation mechanism, and the lifting mechanism.

7. The smelting metal adding apparatus according to claim 5, wherein a load cell for detecting the weight of the material in the material bin is installed at a supporting point of the material bin.

8. The smelted metal feeder according to claim 5, wherein the material conveyor is a belt feeder with a weighing system for weighing the material on the belt feeder, the drive motor of the belt feeder is a variable frequency motor, and the power of the variable frequency motor is determined according to the weight of the material on the belt feeder detected by the weighing system.

9. The smelting metal adding device according to claim 5, wherein the material bin is of a bucket type structure, an inlet of the material bin is arranged upwards, and a filter screen is arranged at the inlet of the material bin.

10. The metal smelting adding device according to claim 7, wherein a gate is arranged at the outlet of the material bin, the gate is electrically connected with the weighing sensor, and the gate is opened when the weight of the material in the material bin detected by the weighing sensor reaches a preset weight.