CN112111623A - Construction method for converter masonry - Google Patents

Construction method for converter masonry Download PDF

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Publication number
CN112111623A
CN112111623A CN201910533299.XA CN201910533299A CN112111623A CN 112111623 A CN112111623 A CN 112111623A CN 201910533299 A CN201910533299 A CN 201910533299A CN 112111623 A CN112111623 A CN 112111623A
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CN
China
Prior art keywords
vacuum
crane
refractory bricks
lifting appliance
masonry
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Pending
Application number
CN201910533299.XA
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Chinese (zh)
Inventor
靖伟
王进忠
王芸芸
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MCC Baosteel Technology Services Co Ltd
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MCC Baosteel Technology Services Co Ltd
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Priority to CN201910533299.XA priority Critical patent/CN112111623A/en
Publication of CN112111623A publication Critical patent/CN112111623A/en
Pending legal-status Critical Current

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    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21CPROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
    • C21C5/00Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
    • C21C5/28Manufacture of steel in the converter
    • C21C5/42Constructional features of converters
    • C21C5/44Refractory linings
    • C21C5/441Equipment used for making or repairing linings

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Furnace Housings, Linings, Walls, And Ceilings (AREA)

Abstract

The invention relates to the technical field of converter masonry, in particular to a construction method for converter masonry, wherein in the process of furnace body masonry, a folding arm is rotated firstly, a vacuum lifting appliance is adjusted to be above a refractory brick to be lifted, and the vacuum lifting appliance is driven by a first crane to descend until a vacuum suction cup is contacted with the refractory brick; then the vacuum suction disc is made to adsorb the refractory bricks, the first crane drives the vacuum lifting appliance to rise, and the refractory bricks are driven to rise above the building height; then the folding arm is rotated, the vacuum lifting appliance is adjusted to be above the building plane, and the first crane drives the vacuum lifting appliance to descend so as to drive the refractory bricks to descend to the building plane; and finally, releasing the refractory bricks by the vacuum chuck, and driving the vacuum lifting appliance to ascend by the first crane until the vacuum chuck is positioned above the height of the refractory bricks to be lifted subsequently. The firebrick is built by laying bricks or stones through the manipulator and is carried out semi-mechanical formula handling, can reduce the intensity of labour of personnel's operation by a wide margin, is showing and is improving construction factor of safety, effectively improves operation efficiency of construction simultaneously.

Description

Construction method for converter masonry
Technical Field
The invention relates to the technical field of converter masonry, in particular to a construction method for converter masonry.
Background
At present, due to the limitation of space in a converter, particularly after a converter tower building device is erected in the converter, the space in the converter is narrower, so that the construction is carried out by adopting a mode of manually carrying refractory bricks for building. For large converters of 250 tons or 300 tons and the like, the weight of a single refractory brick block for building is about 50kg at least and about 67kg at most, about 800 tons of refractory brick materials are required for building the whole converter, manual carrying is completely relied on, the labor intensity of personnel operation is very high, the construction operation period is long, and the efficiency is low.
Disclosure of Invention
The invention aims to solve the technical problem of providing a construction method for converter masonry, which can realize semi-mechanical construction and reduce the labor intensity of personnel operation so as to overcome the defects in the prior art.
In order to solve the technical problems, the invention adopts the following technical scheme:
a converter masonry construction method adopts a manipulator for hoisting refractory bricks for converter masonry, the manipulator comprises a folding arm which can be rotatably supported on a furnace building tower in a horizontal plane, a first hoisting machine which is arranged on the folding arm and a vacuum hoisting tool which is connected with the first hoisting machine, the vacuum hoisting tool comprises a vacuum sucker for sucking the refractory bricks, and the construction method comprises the following steps: in the process of building the furnace body, firstly, the folding arm is rotated, the vacuum lifting appliance is adjusted to be above the refractory bricks needing to be lifted, and the first crane drives the vacuum lifting appliance to descend until the vacuum suction cups are contacted with the refractory bricks; then the vacuum suction disc is made to adsorb the refractory bricks, the first crane drives the vacuum lifting appliance to rise, and the refractory bricks are driven to rise above the building height; then the folding arm is rotated, the vacuum lifting appliance is adjusted to be above the building plane, and the first crane drives the vacuum lifting appliance to descend so as to drive the refractory bricks to descend to the building plane; and finally, releasing the refractory bricks by the vacuum chuck, and driving the vacuum lifting appliance to ascend by the first crane until the vacuum chuck is positioned above the height of the refractory bricks to be lifted subsequently.
Preferably, the folding arm is further provided with a second crane, in the process of building the furnace bottom, the folding arm is rotated firstly, the second crane is adjusted to be above the refractory bricks to be lifted, and the refractory bricks are lifted by the second crane; and then, rotating the folding arm again, adjusting the second crane to be above the masonry plane, and lowering the refractory bricks to the masonry plane by the second crane.
Preferably, the folding arm comprises a large arm and a small arm, one end of the large arm is rotatably supported on the furnace building tower in a horizontal plane, one end of the small arm is rotatably mounted on the other end of the large arm in the horizontal plane, the first crane is mounted on the small arm, and the second crane is mounted on the large arm.
Preferably, the refractory bricks are transported to the masonry location by a construction tower prior to the masonry of the converter.
Preferably, the folding arm is manually pushed to rotate.
Compared with the prior art, the invention has the remarkable progress that:
according to the construction method for constructing the converter, the refractory bricks for constructing the converter are lifted in a semi-mechanical mode through the manipulator, and compared with manual carrying in the prior art, the labor intensity of personnel operation can be greatly reduced, the construction safety coefficient is obviously improved, the harm to the body of the operator is reduced, and meanwhile the operation construction efficiency is effectively improved.
Drawings
FIG. 1 is a schematic structural view of a manipulator used in a construction method for converter masonry according to an embodiment of the present invention.
Fig. 2 is a schematic longitudinal sectional view of a folding arm in the robot hand shown in fig. 1.
Fig. 3 is a schematic view of the structure of the large arm in the robot shown in fig. 1.
Fig. 4 is a schematic view of the structure of the arm in the robot shown in fig. 1.
Fig. 5 is a schematic view showing the structure of a vacuum spreader in the robot shown in fig. 1.
Fig. 6 is a schematic view of the pneumatic connection of the vacuum spreader in the robot shown in fig. 1.
Wherein the reference numerals are as follows:
1. folding arm 11, big arm
111. Second lifting lug 112 and second reinforcing plate
113. Vertical shaft sleeve 114 and vertical mounting hole
12. Forearm 121, first lug
122. First reinforcing plate 123, vertical rotating shaft
13. Limit stop 14, ribbed plate
2. First crane 3, vacuum sling
31. Vacuum chuck 32, beam
33. Girder 34, mounting plate
341. Lifting hole 35 and vacuum pump
36. Electric cabinet 37 and armrest assembly
38. Gas collecting pipe 39 and vacuum filter
301. Vacuum pressure gauge 302, manual ball valve
303. Manual slide valve 304, vacuum pressure switch
305. Vacuum one-way valve 4 and second crane
5. Supporting shaft
Detailed Description
The following describes embodiments of the present invention in further detail with reference to the accompanying drawings. These embodiments are merely illustrative of the present invention and are not intended to limit the present invention.
In the description of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In addition, in the description of the present invention, "a plurality" means two or more unless otherwise specified.
As shown in fig. 1 to 6, an embodiment of the present invention provides a manipulator for converter masonry.
Referring to fig. 1, the manipulator for converter masonry of the present embodiment includes a folding arm 1, a first crane 2, and a vacuum hoist 3. The folding arm 1 is supported on the furnace building tower, and the folding arm 1 can rotate relative to the furnace building tower in a horizontal plane. The furnace building tower is an existing facility for building a converter, is arranged inside the converter, and can be used for conveying refractory bricks required for building the converter to a building position. The first crane 2 is installed on the folding arm 1, the vacuum lifting appliance 3 is connected with the first crane 2, the vacuum lifting appliance 3 comprises a vacuum sucker 31 for sucking refractory bricks, the vacuum sucker 31 can adsorb the refractory bricks when the vacuum lifting appliance 3 is vacuumized, and the vacuum sucker 31 can be released to separate from the refractory bricks when the vacuum lifting appliance 3 is deflated. The first crane 2 drives the vacuum sling 3 to lift, so as to drive the refractory bricks adsorbed by the vacuum suction cups 31 to lift along with the vacuum sling. Preferably, the first crane 2 may employ an electric hoist.
Utilize the above-mentioned manipulator of this embodiment, can realize the semi-mechanical type handling to resistant firebrick at the in-process that the furnace shaft built by laying bricks or stones: firstly, manually rotating the folding arm 1, adjusting the vacuum lifting appliance 3 to be above the refractory brick to be lifted, and driving the vacuum lifting appliance 3 to descend by the first crane 2 until the vacuum suction disc 31 is contacted with the refractory brick; then the vacuum lifting appliance 3 is vacuumized to enable the vacuum suction cups 31 to adsorb the refractory bricks, the first crane 2 drives the vacuum lifting appliance 3 to ascend to drive the refractory bricks adsorbed by the vacuum suction cups 31 to ascend to the position above the building height; then the folding arm 1 is manually rotated, the vacuum lifting appliance 3 is adjusted to be above the masonry plane, the first crane 2 drives the vacuum lifting appliance 3 to descend, and the refractory bricks adsorbed by the vacuum suction cups 31 are driven to descend to the masonry plane; and finally, the vacuum lifting appliance 3 is deflated, so that the vacuum suction cups 31 are released from the refractory bricks, the vacuum lifting appliance 3 is driven by the first crane 2 to ascend, and the vacuum suction cups 31 are separated from the refractory bricks and ascend to the height of the refractory bricks needing to be lifted subsequently so as to be used for lifting the refractory bricks in the next round. Construct with resistant firebrick through manipulator converter masonry and carry out half mechanical type handling, compare the artifical transport among the prior art, can reduce the intensity of labour of personnel's operation by a wide margin, show and improve construction safety factor, alleviate the injury on the operation personnel health, effectively improve operation efficiency of construction simultaneously.
The adsorbed resistant firebrick of vacuum chuck 31 through vacuum hoist 3 is difficult for carrying out angular adjustment at the in-process of handling and transferring, and converter shaft builds by laying bricks or stones the in-process, and resistant firebrick roughly is the level, consequently, goes up and down through 2 drive vacuum hoist 3 of first hoist, drives resistant firebrick that vacuum chuck 31 adsorbs and goes up and down thereupon and carry out the transportation of resistant firebrick, can be applicable to building by laying bricks or stones of converter shaft betterly. However, in the process of constructing the hearth, the angle of the firebricks must be adjusted to a desired angle when constructing the hearth firebricks, and the firebricks are transferred by being attracted to the vacuum cups 31. In order to make the mechanical system of the present embodiment applicable to the furnace bottom construction, in the present embodiment, it is preferable that a second crane 4 is further installed on the folding arm 1, and the second crane 4 is used to hoist the firebricks. In the process of building the furnace bottom, the folding arm 1 can be manually rotated firstly, the second crane 4 is adjusted to be above the refractory bricks needing to be lifted, and the refractory bricks are lifted by the second crane 4; then the folding arm 1 is manually rotated again, the second crane 4 is adjusted to be above the masonry plane, the refractory bricks are placed to the masonry plane by the second crane 4, and then the angle of the refractory bricks is manually adjusted. Preferably, the second hoist 4 may employ an electric hoist.
Referring to fig. 1 and 2, in the present embodiment, it is preferable that the folding arm 1 includes a large arm 11 and a small arm 12, one end of the large arm 11 is supported on the stoking tower and is rotatable with respect to the stoking tower in a horizontal plane, one end of the small arm 12 is mounted on the other end of the large arm 11 and is rotatable with respect to the large arm 11 in the horizontal plane, the first crane 2 is mounted on the small arm 12, and the second crane 4 is mounted on the large arm 11. The whole length of the assembled big arm 11 and the small arm 12 is that the small arm 12 and the big arm 11 can be accommodated in the converter after being folded in a rotating way, the hoisting operation of the furnace building tower is not influenced, and the specific size can be set according to the distance between the rotary disc of the furnace building tower and the building position. Preferably, the first crane 2 is mounted at the end of the small arm 12 remote from the large arm 11, and the second crane 4 is mounted at the end of the large arm 11 remote from the tapping tower.
Further, a limit stop 13 can be arranged on the large arm 11 at a position close to the small arm 12, and the limit stop 13 is used for limiting the limit position of the rotation of the small arm 12 relative to the large arm 11, so that the rotation amplitude of the small arm 12 is prevented from being too large, and the manual operation of the rotation of the small arm 12 is facilitated.
Further, a first lifting lug 121 used for connecting the first crane 2 may be arranged on the small arm 12, the first lifting lug 121 is arranged at one end of the small arm 12 far away from the large arm 11, a first reinforcing plate 122 is arranged between the first lifting lug 121 and the small arm 12, and the first reinforcing plate 122 is used for increasing the strength of the connecting portion of the small arm 12 and the first crane 2. Preferably, the first reinforcing plate 122 is disposed on the lower surface of the small arm 12, and the first lifting lug 121 is disposed on the lower surface of the first reinforcing plate 122.
Further, a second lifting lug 111 used for being connected with the second crane 4 can be arranged on the large arm 11, the second lifting lug 111 is arranged at one end, far away from the furnace building tower, of the large arm 11, a second reinforcing plate 112 is arranged between the second lifting lug 111 and the large arm 11, and the second reinforcing plate 112 is used for increasing the strength of the connecting portion of the large arm 11 and the second crane 4. Preferably, a second reinforcing plate 112 is disposed on a lower surface of the boom 11, and the second lifting lug 111 is disposed on a lower surface of the second reinforcing plate 112.
In this embodiment, referring to fig. 2 and 3, preferably, the large arm 11 is provided with a vertical shaft sleeve 113, the vertical shaft sleeve 113 is vertically connected with the large arm 11 at one end of the large arm 11, the furnace building tower is provided with a vertical support shaft 5, and the vertical shaft sleeve 113 is rotatably sleeved on the support shaft 5 of the furnace building tower, so that the large arm 11 is horizontal, thereby realizing that one end of the large arm 11 can be rotatably supported on the furnace building tower in a horizontal plane.
In order to increase the supporting strength of the large arm 11, preferably, the large arm 11 and the vertical shaft sleeve 113 may be connected through a rib plate 14, and the rib plate 14 is preferably a right-angled triangular plate, and two right-angled sides of the rib plate are respectively connected with the upper surface of the large arm 11 and the outer side surface of the vertical shaft sleeve 113, so that the large arm 11 and the vertical shaft sleeve 113 may form an integral structure, which is favorable for enhancing the strength of the integral structure.
In this embodiment, referring to fig. 2 and 4, preferably, the large arm 11 is provided with a vertical mounting hole 114, the vertical mounting hole 114 is opened at one end of the large arm 11 far from the vertical shaft sleeve 113, the small arm 12 is provided with a vertical rotating shaft 123, the vertical rotating shaft 123 is vertically connected with the small arm 12 at one end of the small arm 12, and the vertical rotating shaft 123 is rotatably installed in the vertical mounting hole 114 of the large arm 11, so that the small arm 12 is horizontal, thereby realizing that one end of the small arm 12 can be rotatably installed on the large arm 11 in a horizontal plane. Preferably, the vertical rotating shaft 123 and the vertical mounting hole 114 can be connected by a roller bearing.
For convenience of assembly, in the present embodiment, the large arm 11 and the small arm 12 are preferably rectangular square tubes.
Referring to fig. 5, in the present embodiment, the vacuum spreader 3 preferably further includes a cross beam 32, a main beam 33, a mounting plate 34, a vacuum pump 35, an electric cabinet 36, and an armrest assembly 37. The cross beams 32 are arranged in plurality, the cross beams 32 are arranged side by side, and the main beam 33 is vertically connected with all the cross beams 32 to form a main frame structure of the vacuum lifting appliance 3. The mounting plate 34 is arranged on the main beam 33, the mounting plate 34 is provided with a hanging hole 341, and the hanging hole 341 is used for being connected with a hanging hook of the first crane 2 so as to hang the vacuum hanger 3 on the first crane 2, thereby realizing the connection of the vacuum hanger 3 and the first crane 2. Each beam 32 is provided with at least one vacuum suction cup 31, for example, two ends of each beam 32 are respectively provided with one vacuum suction cup 3, so that the vacuum lifting tool 3 can lift a plurality of refractory bricks at one time, for example, one layer of refractory bricks can be transferred at one time, and the construction efficiency is improved. A vacuum pump 35, an electric cabinet 36 and an armrest assembly 37 are mounted on the mounting plate 34. The vacuum pump 35 is connected to the evacuation line of each vacuum cup 31, and is used for evacuating all vacuum cups 31. The electric cabinet 36 is used for controlling the vacuum pump 35 to start and stop, and when the electric cabinet 36 controls the vacuum pump 35 to start, the vacuum pump 35 performs vacuumizing on all the vacuum suction cups 31 to enable the vacuum suction cups 31 to adsorb refractory bricks; when the electric control box 36 controls the vacuum pump 35 to stop running, all the vacuum suction cups 31 are deflated to release the refractory bricks. In this embodiment, the vacuum pump 35 is preferably powered by a power supply of 380V at 50Hz, and can operate continuously to provide a vacuum source for the vacuum chuck 31, so as to ensure that the carried firebricks do not fall off in case of sudden power failure, and to provide time for placing the firebricks in a safe area. The armrest assembly 37 is held by a person so that the person can adjust the relative position of the vacuum cup 31 and the refractory brick, and the vacuum cup 31 is positioned right above the refractory brick to be sucked, thereby obtaining the best adsorption effect.
In this embodiment, the shape and structure of each vacuum chuck 31 are not limited, and the vacuum chuck 31 having a corresponding shape and structure should be selected according to the surface characteristics of the refractory brick to be lifted, so as to achieve the best adsorption effect.
Further, referring to fig. 5 and 6, in the present embodiment, preferably, the vacuum sling 3 further includes a gas collecting pipe 38 and a vacuum filter 39, the vacuum line of each vacuum suction cup 31 is communicated with the gas collecting pipe 38, and the gas collecting pipe 38 is communicated with the vacuum pump 35 through the vacuum filter 39. The gas converged by the gas collecting pipe 38 is filtered by the vacuum filter 39, so that dust and particles can be filtered, the dust and the particles are prevented from entering the working cavity of the vacuum pump 35, and the service life of the vacuum pump 35 is prolonged.
Further, in the present embodiment, a vacuum pressure gauge 301 is provided on the gas collecting pipe 38, the vacuum pressure gauge 301 is mounted on the armrest assembly 37 in a direction directly visible to an operator, and is used for measuring and displaying a vacuum degree, and when the vacuum pressure gauge 301 displays that the vacuum degree is below 60%, the firebrick is not carried, and only when the vacuum pressure gauge 301 displays that the vacuum degree is above 60%, the firebrick is ready for carrying, and the firebrick can be carried. Preferably, an alarm can be arranged on the electric cabinet 36, the vacuum pressure gauge 301 is connected with the alarm, a detection signal is fed back to the alarm, and when the vacuum degree measured by the vacuum pressure gauge 301 cannot meet the carrying requirement, the alarm sends out an alarm signal to remind an operator that the lifting cannot be performed. In addition, under the condition of sudden power failure, the alarm also sends an alarm signal to remind an operator to take emergency measures to lower the refractory bricks and the equipment to a safe position or a safe height.
Referring to fig. 6, in the present embodiment, a manual ball valve 302 is disposed on the vacuum pumping pipeline of each vacuum chuck 31, and is used for manually controlling on/off of the vacuum pumping pipeline of each vacuum chuck 31. A manual slide valve 303, a vacuum pressure switch 304, and a vacuum check valve 305 are provided between the vacuum filter 39 and the vacuum pump 35 in this order.
The manipulator of this embodiment may be provided with an integrated operation handle on which the control operation ends of the first crane 2, the second crane 4 and the electric cabinet 27 are integrated, so as to facilitate operation.
Based on the manipulator for converter masonry, the embodiment also provides a converter masonry construction method. In the construction method for constructing the converter in this embodiment, the manipulator for constructing the converter is used to lift the refractory bricks to construct the converter.
Specifically, the construction method for constructing the converter includes: in the process of building the furnace body, the folding arm 1 is firstly rotated, the rotation of the folding arm 1 can be realized through manual rotation, the vacuum lifting appliance 3 is adjusted to be above a refractory brick to be lifted, and the vacuum lifting appliance 3 is driven by the first crane 2 to descend until the vacuum suction disc 31 is contacted with the refractory brick; then the vacuum lifting appliance 3 is vacuumized to enable the vacuum suction cups 31 to adsorb the refractory bricks, the first crane 2 drives the vacuum lifting appliance 3 to ascend to drive the refractory bricks adsorbed by the vacuum suction cups 31 to ascend to the position above the building height; then the folding arm 1 is rotated, the vacuum lifting appliance 3 is adjusted to be above the masonry plane, the first crane 2 drives the vacuum lifting appliance 3 to descend, and the refractory bricks adsorbed by the vacuum suction cups 31 are driven to descend to the masonry plane; finally, the vacuum lifting appliance 3 is deflated, so that the vacuum suction cups 31 are released from the refractory bricks, the vacuum lifting appliance 3 is driven by the first crane 2 to ascend, the vacuum suction cups 31 are separated from the refractory bricks and ascend to the height of the refractory bricks needing to be lifted subsequently, the next round of lifting of the refractory bricks is prepared, and meanwhile, the refractory bricks conveyed to the building plane can be built. According to the construction method for constructing the converter, the refractory bricks for constructing the converter are lifted in a semi-mechanical mode through the manipulator, and compared with manual carrying in the prior art, the labor intensity of personnel operation can be greatly reduced, the construction safety factor is obviously improved, the harm to the bodies of the operators is reduced, and meanwhile, the operation construction efficiency is effectively improved.
Furthermore, in the process of building the furnace bottom, the folding arm 1 can be manually rotated firstly, the second crane 4 is adjusted to be above the refractory bricks needing to be lifted, and the refractory bricks are lifted by the second crane 4; then manually rotate the folding arm 1 again, adjust the second hoist 4 to the building plane top, put down the resistant firebrick to building plane by the second hoist 4, adjust the angle of resistant firebrick again by the manual work, adjust and can build by laying bricks or stones well. Therefore, the requirement that the furnace bottom refractory bricks need to be adjusted to the required angle during masonry can be met, and the construction method for converter masonry can meet the masonry construction requirements of the converter bottom and the converter body at the same time.
In the method for constructing a converter, the refractory bricks may be transported to the constructing location by a tower construction, preferably before constructing the converter.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and substitutions can be made without departing from the technical principle of the present invention, and these modifications and substitutions should also be regarded as the protection scope of the present invention.

Claims (5)

1. The construction method for building the converter is characterized in that the converter building manipulator is used for hoisting refractory bricks, the manipulator comprises a folding arm (1) which can be rotatably supported on a building tower in a horizontal plane, a first hoisting machine (2) which is installed on the folding arm (1) and a vacuum lifting appliance (3) which is connected with the first hoisting machine (2), the vacuum lifting appliance (3) comprises a vacuum suction cup (31) for sucking the refractory bricks, and the construction method comprises the following steps: in the process of building the furnace body, the folding arm (1) is rotated firstly, the vacuum lifting appliance (3) is adjusted to be above the refractory bricks to be lifted, and the vacuum lifting appliance (3) is driven by the first crane (2) to descend until the vacuum suction cups (31) are contacted with the refractory bricks; then the vacuum suction disc (31) adsorbs the refractory bricks, the first crane (2) drives the vacuum lifting appliance (3) to ascend, and the refractory bricks are driven to ascend to the position above the building height; then the folding arm (1) is rotated, the vacuum lifting appliance (3) is adjusted to be above a masonry plane, the first crane (2) drives the vacuum lifting appliance (3) to descend, and refractory bricks are driven to descend to the masonry plane; and finally, releasing the refractory bricks by the vacuum suction cups (31), and driving the vacuum lifting appliance (3) to ascend by the first crane (2) until the vacuum suction cups (31) are positioned above the height of the refractory bricks to be lifted subsequently.
2. The construction method for constructing the converter masonry according to the claim 1, characterized in that a second crane (4) is further installed on the folding arm (1), in the process of constructing the converter hearth, the folding arm (1) is rotated firstly, the second crane (4) is adjusted to be above the refractory bricks needing to be lifted, and the refractory bricks are lifted by the second crane (4); then the folding arm (1) is rotated again, the second crane (4) is adjusted to be above the masonry plane, and the refractory bricks are lowered to the masonry plane by the second crane (4).
3. A construction method for converter masonry according to claim 2, characterized in that the folding arm (1) comprises a large arm (11) and a small arm (12), one end of the large arm (11) is rotatably supported on the furnace building tower in a horizontal plane, one end of the small arm (12) is rotatably mounted on the other end of the large arm (11) in a horizontal plane, the first crane (2) is mounted on the small arm (12), and the second crane (4) is mounted on the large arm (11).
4. The method of constructing converter masonry according to claim 1, wherein the refractory bricks are transported to a masonry location by the furnace tower prior to converter masonry.
5. Construction method for converter masonry according to claim 1, characterized in that the folding arms (1) are pushed to rotate manually.
CN201910533299.XA 2019-06-19 2019-06-19 Construction method for converter masonry Pending CN112111623A (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113135507A (en) * 2020-01-19 2021-07-20 中冶宝钢技术服务有限公司 Manipulator for converter masonry
CN114455323A (en) * 2022-03-04 2022-05-10 常熟市杜尼电子有限责任公司 Multistation transport system on a large scale
CN115650024A (en) * 2022-08-10 2023-01-31 无锡力支真空吸盘吊具有限公司 Intelligent unmanned heavy steel plate vacuum suction lifting loading and unloading device
WO2024027605A1 (en) * 2022-08-04 2024-02-08 中国一冶集团有限公司 Coke oven body building system

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Cited By (5)

* Cited by examiner, † Cited by third party
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CN113135507A (en) * 2020-01-19 2021-07-20 中冶宝钢技术服务有限公司 Manipulator for converter masonry
CN114455323A (en) * 2022-03-04 2022-05-10 常熟市杜尼电子有限责任公司 Multistation transport system on a large scale
WO2024027605A1 (en) * 2022-08-04 2024-02-08 中国一冶集团有限公司 Coke oven body building system
CN115650024A (en) * 2022-08-10 2023-01-31 无锡力支真空吸盘吊具有限公司 Intelligent unmanned heavy steel plate vacuum suction lifting loading and unloading device
CN115650024B (en) * 2022-08-10 2023-11-24 无锡力支真空吸盘吊具有限公司 Intelligent unmanned heavy steel plate vacuum suction crane feeding and discharging device

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