CN216421046U

CN216421046U - Intelligent capping and heat-insulating device for converter steel ladle

Info

Publication number: CN216421046U
Application number: CN202121952016.4U
Authority: CN
Inventors: 高业鹏; 赵贵州; 周良; 林则全
Original assignee: Huatian Engineering and Technology Corp MCC
Current assignee: Huatian Engineering and Technology Corp MCC
Priority date: 2021-08-19
Filing date: 2021-08-19
Publication date: 2022-05-03
Anticipated expiration: 2031-08-19

Abstract

The utility model discloses an intelligent capping and heat-insulating device for a converter ladle. Comprises a ladle cover, a cover adding and uncovering mechanism and a PLC system; the cover adding and uncovering mechanism comprises a rotating assembly and a lifting assembly, wherein the rotating assembly comprises a rotating base, a rotating cylinder and a motor; the lifting assembly comprises a lifting arm and an electro-hydraulic push-pull rod, the lifting arm is hinged with the rotary cylinder, the first end of the lifting arm is hinged with the electro-hydraulic push-pull rod, and the second end of the lifting arm is used for being connected with the steel ladle cover; the PLC system is respectively connected with the electro-hydraulic push-pull rod and the motor; under the control of a PLC system, the electro-hydraulic push-pull rod controls the lifting arm to lift, and the motor drives the rotary cylinder to rotate so that the rotary cylinder drives the lifting arm to rotate. The utility model can realize the whole-process covering of the steel ladle, and all the operations of covering, uncovering, moving and the like are controlled by the PLC system, and has the advantages of convenient and quick operation, safety, high efficiency and good heat preservation effect.

Description

Intelligent capping and heat-insulating device for converter steel ladle

Technical Field

The utility model relates to the technical field of converter steelmaking equipment in the metallurgical industry, in particular to an intelligent capping and heat-insulating device for a converter ladle.

Background

In the production process of converter steelmaking, the ladle is used as a steel container and plays a crucial connection role among all working procedures of the converter. In the actual production process, the ladle can generate heat radiation to the air due to the opening, so that the heat loss is caused, the larger the heat loss of molten steel in the turnover process is, the larger the influence on continuous casting is, and the whole production rhythm is further influenced. According to field data statistics, the ladle heat loss is mostly heat radiation loss from a ladle lining to air after the ladle is empty, for example, the ladle heat loss of 100t can cause the temperature loss of molten steel in the next furnace to be about 15 ℃.

By using the whole-process steel ladle capping technology, the heat loss of the steel ladle can be reduced in the turnover process, the heat preservation effect is achieved, and the thermal state of the steel ladle in the turnover process tends to be stable, so that the tapping temperature of the converter can be accurately mastered, and the effects of energy conservation and emission reduction can be achieved. The manual capping mode is adopted more among the prior art to carry out the ladle and add the lid.

At present, intelligent manufacturing is advocated in industries such as steel and iron so as to realize intellectualization and greening. How to completely replace the original manual capping operation by intelligent operation through intelligent control is a great technical problem faced at present.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an intelligent capping and heat-insulating device for a converter steel ladle, which aims to realize the full-process capping of the steel ladle, and intelligently control all the capping, uncapping and other operations, thereby achieving the purposes of convenience, rapidness, safety, high efficiency and good heat-insulating effect.

The above purpose of the utility model is realized by the following technical scheme:

the utility model provides an intelligent capping and heat-insulating device for a converter ladle, which comprises: the steel ladle cover, the cover adding and uncovering mechanism and the PLC system connected with the cover adding and uncovering mechanism; wherein the content of the first and second substances,

the cover adding and uncovering mechanism comprises a rotating assembly and a lifting assembly; wherein the rotating assembly comprises: the rotary drum type electric fan comprises a rotary base, a rotary drum arranged on the rotary base and a motor for driving the rotary drum to rotate; the lifting assembly comprises a lifting arm and an electro-hydraulic push-pull rod, wherein the lifting arm is hinged with the rotating cylinder so as to be driven to rotate by the rotating cylinder, the electro-hydraulic push-pull rod is hinged at a first end of the lifting arm, and a second end of the lifting arm is used for being connected with the steel ladle cover;

the PLC system is respectively connected with the electro-hydraulic push-pull rod and the motor; the electro-hydraulic push-pull rod controls the lifting arm to lift under the control of the PLC system, and the motor drives the rotary cylinder to rotate under the control of the PLC system, so that the rotary cylinder drives the lifting arm to rotate.

Optionally, the lifting assembly further comprises an electromagnetic device, the electromagnetic device is installed at the second end of the lifting arm and is connected with the PLC system, and the electromagnetic device completes connection or separation of the lifting arm and the ladle cover through control of the PLC system;

optionally, the steel ladle cover comprises two symmetrically arranged parts, wherein each part is connected with a set of cover adding and uncovering mechanisms. Furthermore, the two sets of covering and uncovering mechanisms are oppositely arranged on two sides of the symmetrical axis of the ladle cover.

Optionally, the apparatus further comprises a ladle carriage, wherein the ladle is located in the middle of the ladle carriage, and two sets of capping and uncapping mechanisms are installed at opposite corners of the ladle carriage to move the two parts of the ladle cover to two different directions.

Optionally, the rotating assembly further comprises a fixing sleeve, the fixing sleeve is sleeved on the lower portion of the rotating cylinder and connected with the rotating base, and a motor support used for placing a motor is arranged on the fixing sleeve.

Optionally, the motor and the rotary drum are connected in a gear engagement manner.

Optionally, the lifting assembly further comprises a counterweight mounted at the first end of the lifting arm to balance the weight of the ladle cover.

Optionally, the lifting assembly further comprises an electrohydraulic push-pull rod support, the electrohydraulic push-pull rod support comprises an installation part and an extension part, the installation part is installed on the upper portion of the rotary cylinder, and the extension part is used for installing the electrohydraulic push-pull rod.

Optionally, the hinge of the lifting arm to the rotary drum is proximate to the first end of the lifting arm.

Optionally, the lifting arm is dog-legged.

Optionally, the lifting assembly further comprises a fork and a hinge, wherein the fork is connected to the second end of the lifting arm, and the hinge is connected to the ladle cover.

Optionally, electromagnetic means includes magnetism portion of inhaling and iron portion, and wherein, magnetism portion of inhaling is articulated with the support fork, and iron portion is articulated with the hinge, through PLC system control magnetism portion of inhaling is inhaled or is separated with the magnetism of iron portion to accomplish the support fork and be connected and the separation of hinge.

Optionally, the PLC system comprises a PLC and a computer connected thereto.

Compared with the prior art, the intelligent capping and heat-insulating device for the converter steel ladle can realize that the steel ladle is in a capping state in other time periods except the working procedure operation time period, and all capping and uncovering operations are controlled by computer software; according to the actual conditions of the site, the capping time, the capping place, the height to be lifted, the rotation angle and other data of the ladle can be set, and one-key control of a computer can be used, so that the production speed, safety and accuracy are improved, the operation efficiency is improved, and the labor intensity of workers is reduced. The utility model has the advantages of simple structure, convenient operation and maintenance and good heat preservation effect.

Drawings

FIG. 1 is a schematic structural diagram of an intelligent capping and heat-preserving device for a converter ladle in the embodiment of the utility model;

FIG. 2 is a top view of FIG. 1;

fig. 3 is a top view of the lift arm of fig. 2 after it has been rotated to an angle.

In fig. 1: the steel ladle lifting device comprises a rotating base 1, a fixed sleeve 2, a motor support 3, a motor 4, a motor 5, a rotating cylinder 6, an electro-hydraulic push-pull rod 7, an electro-hydraulic push-pull rod support 8, a steel ladle cover 9, a hinge 10, an electromagnetic device 11, a supporting fork 11, a lifting arm 12, a PLC13, a computer 14, a steel ladle car 15 and a steel ladle 16.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the utility model, its application, or uses. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The utility model provides an intelligent capping and heat-insulating device for a converter ladle, which comprises: the steel ladle cover, the cover adding and uncovering mechanism and the PLC system connected with the cover adding and uncovering mechanism. The capping and uncovering mechanism can complete capping, uncovering, ladle cover moving and other operations under the control of a PLC system; the utility model improves the accuracy of covering and uncovering, improves the operating efficiency, improves the safety, reduces the heat loss of the steel ladle and reduces the labor intensity of workers through intelligent control.

The cover adding and uncovering mechanism can comprise a rotating assembly and a lifting assembly. Wherein, lifting unit controls the longitudinal direction of ladle lid, and rotating assembly controls ladle lid rotation in the transverse direction through control lifting unit rotation to accomplish the operation such as capping, taking off the lid, removing of ladle lid.

In an alternative embodiment, the rotating assembly may include a rotating base, a rotating drum mounted on the rotating base, and a motor for driving the rotating drum to rotate. Wherein, the connected mode of motor and rotatory section of thick bamboo is not specifically restricted, can adopt the gear engagement connected mode to connect for example, and the motor makes rotatory certain angle of rotatory section of thick bamboo through gear drive rotatory section of thick bamboo, and rotatory section of thick bamboo drive lifting unit rotates in the transverse direction simultaneously.

In order to ensure the safety and the convenience of operation of the device, the rotating assembly may further comprise a fixing sleeve. In particular, the fixed sleeve can be sleeved outside the rotary cylinder and fixedly connected with the rotary base, and more preferably, sleeved on the lower part of the rotary cylinder. Further, a motor bracket can be arranged on the fixed sleeve, and the motor is arranged on the motor bracket. The setting of this embodiment fixed sleeve has improved device operation security, through setting up fixed sleeve and motor support, has made things convenient for the motor to drive the rotary drum more moreover.

In an alternative embodiment, the lift assembly may include a lift arm and an electro-hydraulic push-pull rod. Further, an electromagnetic device may also be included. The electro-hydraulic push-pull rod controls the lifting of the lifting arm, and the electromagnetic device controls whether the second end of the lifting arm is connected with the steel ladle cover or not.

The lifting arm is hinged with the rotating cylinder so as to drive the rotating cylinder to rotate. Furthermore, the hinged part of the lifting arm and the rotating cylinder can be arranged at the first end close to the lifting arm, so that the whole device is more concentrated in structure, and unnecessary influence on the operation time of the process is avoided.

The electro-hydraulic push-pull rod can be hinged to the first end of the lifting arm by a hinge pin, and the purpose of lifting the second end is achieved by pushing and pulling the first end. Optionally, the lifting assembly further comprises an electro-hydraulic push-pull rod support, the electro-hydraulic push-pull rod support may comprise an installation part and an extension part, the installation part may be installed and fixed on the upper portion of the rotating cylinder, the extension part is used for installing the electro-hydraulic push-pull rod, when the rotating cylinder rotates, the electro-hydraulic push-pull rod support and the lifting arm may rotate together with the rotating cylinder, and therefore the lifting assembly is made to rotate together with the rotating cylinder.

The second end of the lifting arm is adapted to be connected to the ladle cover. Optionally, the lifting arm is in a zigzag shape, the end of the diagonal rod is a first end, and the end of the cross rod is a second end. Optionally, the lift assembly may further comprise a fork and a hinge. The support fork is arranged at the second end of the lifting arm and is connected with the electromagnetic device, the support fork is movably connected with the magnetic part of the electromagnetic device, and the support fork is kept in a horizontal state when the ladle cover is lifted; an iron part of the electromagnetic device is connected with the steel ladle cover through a hinge, and the iron part is mainly used for being adsorbed by a magnetic part in the electromagnetic device; the support fork absorbs the iron part through the magnetic absorption part in the electromagnetic device so as to be connected with the steel ladle cover. The electromagnetic device controls the power-on and power-off states of the electromagnetic device through a PLC system, and realizes magnetic attraction and separation of the magnetic attraction part and the iron part so as to combine or separate the support fork and the hinge and further realize connection and disconnection of the lifting arm and the steel ladle cover. The hinge connection mode of the utility model can adopt a hinge pin for connection, and is not limited to the hinge pin, and other common connection modes can also be adopted for hinge connection. Optionally, the magnetic part in the electromagnetic device may be an electromagnetic chuck, and the magnetic effect may be improved by adopting a chuck structure. In this embodiment, the working principle of the electromagnetic device is as follows: utilize the electromagnetism principle, produce magnetic force through making electromagnetic means internal coil circular telegram, tightly hold with iron portion through magnetism portion of inhaling, through the coil outage, the demagnetization is realized to magnetic force disappearance to the principle of separation. The structure of the electromagnetic device is exemplarily given, and the electromagnetic device can comprise iron cores, coils, panels and the like. Wherein, the electromagnet that coil and iron core constitute jointly is the main part of magnetism portion of inhaling, and magnetism portion of inhaling is connected with the support fork. Connected with the hinge is an iron part which is absorbed by the magnetic part. When the power is on, the magnetic part is connected with the iron part in an adsorption way under the action of magnetic force, and the magnetic part is separated from the iron part when the power is off. In an alternative embodiment, a counterweight may also be provided in the lift assembly to increase the useful life of the apparatus. The counterweight part can be arranged at the first end of the lifting arm, namely, a counterweight with certain mass is arranged on one side of the lifting arm connected with the electro-hydraulic push-pull rod and used for balancing the weight of the steel ladle cover and reducing the tilting moment borne by the slewing bearing and the pressure of the electro-hydraulic push-pull rod, so that the service life of the device is prolonged.

In the utility model, the PLC system is respectively connected with the electro-hydraulic push-pull rod and the motor. Furthermore, the device is also connected with an electromagnetic device, namely the electro-hydraulic push-pull rod, the motor and the electromagnetic device are controlled by a PLC system. The PLC system can comprise a PLC (programmable logic controller) and a computer connected with the PLC system, software is installed in the computer, data such as the capping time, the capping place, the height to be lifted, the rotation angle and the like of the steel ladle can be set in the software according to actual conditions on site, and the computer can be used for intelligent control, so that the production rapidness, the safety and the accuracy are improved.

The electro-hydraulic push-pull rod controls the lifting of the lifting arm under the control of the PLC system, so that the lifting height of the steel ladle cover in the longitudinal direction is controlled. The motor drives the rotary cylinder to rotate under the control of the PLC system, so that the rotary cylinder drives the lifting arm to rotate, and the rotation angle of the ladle cover in the transverse direction is controlled. The electromagnetic device is opened and closed under the control of the PLC system to control the free connection and separation of the lifting arm and the ladle cover, for example, when the whole process of capping is needed, the lifting arm and the ladle cover can be separated, so that other process operations and the like are influenced.

In the present invention, the ladle cover may be configured to be composed of a plurality of parts, for example, two, three, four, etc., and the plurality of parts are respectively controlled by a plurality of corresponding covering and uncovering mechanisms, which may be disposed at different positions to move the plurality of parts to different directions. This embodiment can reduce the interference that the lift arm promoted and the buggy ladle lid was to buggy ladle both sides to strengthen its practicality.

In an optional embodiment, the steel ladle cover is arranged into two symmetrical parts, and each part is connected with a set of cover adding and uncovering mechanism. The intelligent covering and heat-insulating device for the converter ladle can also comprise a ladle car, and preferably, the covering and uncovering mechanism is fixed at one corner of the ladle car. When the ladle cover is a symmetrical two-part ladle, the ladle is positioned in the middle of the ladle car, and the two sets of cover adding and removing mechanisms are arranged at the opposite corners of the ladle car so as to move the two parts of the ladle cover to two different directions. In order to avoid the problem that the connection between the two parts of the ladle cover is not tight enough to cause the reduction of the heat preservation effect because a gap exists between the two parts, the two parts can be combined by adopting a sealing mode such as a sealing strip.

Fig. 1-3 schematically show the structure of an intelligent capping and heat preserving device for a converter ladle. As shown in fig. 1, the intelligent capping and heat preserving device for the converter ladle provided in the embodiment of the utility model comprises a rotating base 1, a fixed sleeve 2, a motor support 3, a motor 4, a rotating cylinder 5, an electro-hydraulic push-pull rod 6, an electro-hydraulic push-pull rod support 7, a ladle cap 8, a hinge 9, an electromagnetic device 10, a supporting fork 11, a lifting arm 12, a PLC13, a computer 14, a ladle car 15 and a ladle 16.

As shown in fig. 2 and 3, a rotating base 1 is respectively fixed at opposite corners of a buggy ladle 15, a fixed sleeve 2 is fixedly connected to the upper surface of the rotating base 1, a vertical rotating cylinder 5 is inserted into the fixed sleeve 2, a motor bracket 3 is installed on the fixed sleeve 2, a motor 4 drives the rotating cylinder 5 to rotate through a gear, and the motor 4 is controlled by a PLC13 and a computer 14 to enable the rotating cylinder 5 to rotate to a required angle. In this embodiment, the two parts of the ladle cover 8 are symmetrically arranged, and for moving convenience, the symmetry axes of the two parts are arranged to be perpendicular to the straight line of the two lifting arms 12. As shown in fig. 2 and 3, the symmetry axis of the ladle cover 8 forms an angle with the central axis of the buggy ladle and 67 ° with the transverse central axis of the buggy ladle, so that the two parts of the ladle cover 8 can be moved in different directions, i.e. to the other two diagonal positions of the buggy ladle 15.

As shown in fig. 1, the inclined rod of the lifting arm 12 is connected to the rotary drum 5 by a hinge pin, the supporting fork 11 is located at the second end of the lifting arm 12, the electromagnetic device 10 is connected to the supporting fork 11 by the hinge pin, the electro-hydraulic push-pull rod 6 is located at the first end of the lifting arm 12, and the electro-hydraulic push-pull rod 6 is controlled by the PLC13 and the computer 14 through the cooperation of the hinge pin, so that the lifting arm 12 can be lifted and dropped as required, and the opening and closing of the ladle cover can be controlled. One side of the lifting arm connected with the electro-hydraulic push-pull rod 6 is provided with a counterweight with certain mass for balancing the weight of the steel ladle cover, so that the tilting moment born by the slewing bearing and the pressure of the electro-hydraulic push-pull rod are reduced, and the service life of the equipment is prolonged. The ladle cover 8 is connected with the electromagnetic device 10 through the hinge 9, and the electromagnetic device 10 is opened and closed under the control of the PLC13 and the computer 14, so that the mechanical arm device and the ladle cover can be freely combined and separated.

In this embodiment, the rotating base 1 and the fixed sleeve 2 are fixed at the corners of the buggy ladle 15, and during operation, the computer 14 controls the motor 4 and the electro-hydraulic push-pull rod 6 to work through software developed in the PLC13 and the computer 14, so that the ladle cover 8 is lifted and rotated by a certain angle, and the ladle 16 can be transferred to the next process for processing by the travelling crane. If the ladle 16 needs to be covered in the whole process, the lifting arm 12 and the ladle cover 8 are disconnected through the electromagnetic device 10 under the control of the PLC13 and the computer 14 after the ladle cover 8 is covered, and the ladle 16 can be covered in the whole process after the lifting arm 12 is rotated and moved to a certain angle. As shown in fig. 2 and 3, the cover adding and uncovering mechanisms and the ladle covers 8 are arranged in bilateral symmetry, so that when the ladles 16 are transported without being covered, the lifting of the lifting arms 12 and the interference of the ladle covers 8 on the two sides of the ladle car 15 can be reduced as much as possible, and the practicability of the ladle car is enhanced.

The utility model has simple structure and convenient operation and maintenance, is completely controlled by the PLC and the software through the computer under the control of the PLC and the computer software, does not need to manually cover and open the external steel ladle cover, realizes intelligent operation, can improve the operation efficiency and the safety and reduces the labor intensity of workers. The steel ladle can be covered in the whole process before the next operation procedure, the steel ladle whole-process covering technology is adopted, so that the heat loss of the steel ladle in the turnover process is reduced, the heat preservation effect is achieved, the thermal state of the steel ladle in the turnover process tends to be stable, the tapping temperature of the converter can be accurately mastered, the energy-saving and emission-reducing effects can be achieved, the steel ladle covering efficiency is improved, meanwhile, the whole-process covering of the steel ladle can reduce the loss of smoke dust, the environment in a factory is improved, namely the working environment of an operator is improved, and the safety of the operator is further guaranteed.

The description of the present invention has been presented for purposes of illustration and description, and is not intended to be exhaustive or limited to the utility model in the form disclosed. Many modifications and variations will be apparent to practitioners skilled in this art. The embodiment was chosen and described in order to best explain the principles of the utility model and the practical application, and to enable others of ordinary skill in the art to understand the utility model for various embodiments with various modifications as are suited to the particular use contemplated.

Claims

1. The utility model provides a converter ladle intelligence adds lid heat preservation device which characterized in that includes: the device comprises a steel ladle cover, a cover adding and uncovering mechanism and a PLC system connected with the cover adding and uncovering mechanism;

the cover adding and uncovering mechanism comprises a rotating component and a lifting component, wherein,

the rotating assembly includes: the rotary drum type automatic feeding device comprises a rotary base, a rotary drum arranged on the rotary base and a motor for driving the rotary drum to rotate;

the lifting assembly comprises a lifting arm and an electro-hydraulic push-pull rod, wherein the lifting arm is hinged with the rotating cylinder so as to be driven to rotate by the rotating cylinder, the electro-hydraulic push-pull rod is hinged at a first end of the lifting arm, and a second end of the lifting arm is used for being connected with the steel ladle cover;

the PLC system is respectively connected with the electro-hydraulic push-pull rod and the motor; the electro-hydraulic push-pull rod controls the lifting of the lifting arm under the control of a PLC system; the motor drives the rotary drum to rotate under the control of the PLC system, so that the rotary drum drives the lifting arm to rotate.

2. The converter ladle intelligent capping and heat preserving device as claimed in claim 1, wherein the lifting assembly further comprises an electromagnetic device installed at the second end of the lifting arm and connected with the PLC system, and the electromagnetic device completes connection or separation of the lifting arm and the ladle cap through control of the PLC system.

3. The intelligent capping and heat-preserving device for converter ladles as claimed in claim 2,

the steel ladle cover comprises two symmetrically arranged parts, and each part is connected with a set of cover adding and uncovering mechanism;

the device also comprises a ladle car, wherein the ladle is positioned in the middle of the ladle car, and the two sets of capping and uncapping mechanisms are arranged at the diagonal positions of the ladle car so as to move the two parts of the ladle cover to two different directions.

4. The intelligent capping and heat-preserving device for the converter ladle as claimed in claim 1, wherein the rotating assembly further comprises a fixed sleeve, the fixed sleeve is sleeved on the lower portion of the rotating cylinder and connected with the rotating base, and a motor support for mounting a motor is arranged on the fixed sleeve.

5. The intelligent capping and heat preserving device for the converter ladle as claimed in claim 1, wherein the motor is connected with the rotary cylinder in a gear engagement manner.

6. The converter ladle intelligent capping and insulation device of claim 1, wherein the lifting assembly further comprises a counterweight mounted at the first end of the lifting arm to balance the weight of the ladle cap.

7. The intelligent capping and heat-preserving device for converter ladles as claimed in claim 1,

the lifting assembly further comprises an electro-hydraulic push-pull rod bracket which comprises an installation part and an extension part, the installation part is installed on the upper part of the rotary cylinder, and the extension part is used for installing the electro-hydraulic push-pull rod;

the hinged part of the lifting arm and the rotary cylinder is close to the first end of the lifting arm.

8. The converter ladle intelligent capping and heat preserving device of claim 1, wherein the lifting arm is in a zigzag shape.

9. The intelligent capping and heat-preserving device for converter ladles as claimed in claim 2,

the lifting assembly further comprises a supporting fork and a hinge, wherein the supporting fork is connected to the second end of the lifting arm, and the hinge is connected with the steel ladle cover;

the electromagnetic device comprises a magnetic suction part and an iron part, wherein the magnetic suction part is hinged with the support fork, the iron part is hinged with the hinge, and the magnetic suction part is controlled by the PLC system to be magnetically sucked or separated from the iron part, so that the support fork is connected with and separated from the hinge.

10. The intelligent capping and heat preserving device for the converter ladle as claimed in claim 1, wherein the PLC system comprises a PLC and a computer connected thereto.