CN110722142A - Method for rapidly detecting weight of molten steel - Google Patents

Method for rapidly detecting weight of molten steel Download PDF

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Publication number
CN110722142A
CN110722142A CN201911005566.2A CN201911005566A CN110722142A CN 110722142 A CN110722142 A CN 110722142A CN 201911005566 A CN201911005566 A CN 201911005566A CN 110722142 A CN110722142 A CN 110722142A
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CN
China
Prior art keywords
molten steel
pot
weight
bag body
spout
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Pending
Application number
CN201911005566.2A
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Chinese (zh)
Inventor
范希营
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Su Normal University Semiconductor Materials and Equipment Research Institute Pizhou Co Ltd
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Su Normal University Semiconductor Materials and Equipment Research Institute Pizhou Co Ltd
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Application filed by Su Normal University Semiconductor Materials and Equipment Research Institute Pizhou Co Ltd filed Critical Su Normal University Semiconductor Materials and Equipment Research Institute Pizhou Co Ltd
Priority to CN201911005566.2A priority Critical patent/CN110722142A/en
Publication of CN110722142A publication Critical patent/CN110722142A/en
Pending legal-status Critical Current

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22DCASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D41/00Casting melt-holding vessels, e.g. ladles, tundishes, cups or the like
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22DCASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D2/00Arrangement of indicating or measuring devices, e.g. for temperature or viscosity of the fused mass
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22DCASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D46/00Controlling, supervising, not restricted to casting covered by a single main group, e.g. for safety reasons

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces (AREA)

Abstract

The invention belongs to the technical field of forging, and particularly relates to a method for rapidly detecting the weight of molten steel, wherein a control module controls a driving mechanism to automatically open a spout so that the molten steel enters or flows out of a pot-shaped bag body in a dumping manner, the weight of the pot-shaped bag body can be effectively monitored through an electronic weighbridge, the weight of the molten steel is accurately controlled, and the safety of equipment is improved; meanwhile, the heat preservation effect of the pot-shaped inclusion body can be ensured, the spheroidization effect is improved, the initial structure of the billet is ensured to be more uniform, and the forging quality is favorably improved.

Description

Method for rapidly detecting weight of molten steel
Technical Field
The invention relates to the field of intelligent manufacturing equipment, in particular to a method for quickly detecting the weight of molten steel.
Background
Forging is a process of forming a billet in a plastic state into a workpiece having a predetermined shape and size by hammering or the like, changing its physical properties, compacting the porosity and pores in the billet, and breaking the coarse structure into fine grains to form a fibrous structure. However, most of the existing steel billets are manually cast when molten steel is spheroidized, and because the surface of a steel ladle is shielded by a cover body, the liquid level height of the molten steel cannot be effectively observed, an over-casting phenomenon is easily caused, and safety accidents are caused.
Disclosure of Invention
The invention aims to provide a method for rapidly detecting the weight of molten steel so as to realize an automatic spheroidizing process.
In order to solve the technical problem, the invention provides a method for rapidly detecting the weight of molten steel, which comprises the following steps: the control module controls the driving mechanism to drive the cover cap to move upwards so as to open the spout, and molten steel enters the pot-shaped bag body through the spout; detecting the weight of the pot-shaped bag body through an electronic wagon balance; when the weight of the pot-shaped bag body is equal to the set weight value, the control module controls the driving mechanism to close the spout; and when the weight of the pot-shaped bag body is larger than the set weight value, the alarm gives an alarm.
Further, the drive mechanism includes: the lifting cylinder is positioned above the cap, the connecting rod is positioned at the end part of the piston rod of the lifting cylinder, the electromagnet is positioned at the tail end of the connecting rod, and the magnet block is fixed on the cap; the electromagnet is suitable for being electrified to generate magnetic attraction force on the magnet block; and the lifting cylinder is suitable for driving the electromagnet to move upwards through the connecting rod so as to adsorb the magnet block to move upwards, namely, the cap is driven to be separated from the spout, and the spout is opened.
Further, a gap suitable for the cap to move is reserved between the cover body and the cap; a convex ear is arranged at the joint of the cap and the cover body; when the cover cap is covered on the spout, the ears are covered on the gap of the cover body to seal the gap.
Further, the spout includes: the inlet section, the buffer section and the drainage section are sequentially connected from top to bottom; wherein the inlet section is in a concave arc shape, and the opening of the inlet section is arranged upwards so as to be suitable for pouring molten steel; the buffer section is arranged approximately horizontally to buffer the impulsive force of molten steel; and the drainage section is in a convex arc shape and is connected with the inner wall of the pot-shaped bag body in an extending way so as to guide the molten steel to flow into the pot-shaped bag body.
Further, a nodulizer placing area and a molten steel scouring area which are separately arranged are arranged at the bottom of the pot-shaped bag body; the molten steel scouring area is arranged close to one side of the kettle nozzle and communicated with the top of the nodulizer placing area; and the inner wall of the pot-shaped bag body, which is positioned at one side of the molten steel scouring area, is suitable for being arranged obliquely outwards so as to extend along the drainage section.
Furthermore, a scouring table top is detachably arranged at the bottom of the molten steel scouring area; the top of the scouring table-board is in a concave arc shape.
Further, the control module is suitable for setting the spheroidizing time through a built-in clock chip; when the spout is closed, the clock chip starts to time, and when the time equals to the set spheroidization time, the control module controls the driving mechanism to open the spout again so that the spheroidized molten steel is poured out of the pot-shaped bag body.
The method has the advantages that the control module controls the driving mechanism to automatically open the spout so that the molten steel enters or flows out of the pot-shaped bag body in a dumping manner, the weight of the pot-shaped bag body can be effectively monitored through the electronic weighbridge, the weight of the molten steel is accurately controlled, and the safety of equipment is improved; meanwhile, the heat preservation effect of the pot-shaped inclusion body can be ensured, the spheroidization effect is improved, the initial structure of the billet is ensured to be more uniform, and the forging quality is favorably improved.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a flowchart of a method for rapidly detecting a weight of molten steel according to the present invention;
FIG. 2 is a schematic block diagram of a spheroidizing apparatus adapted to automatically detect the weight of molten steel according to the present invention;
FIG. 3 is a structural view of a spheroidizing apparatus according to the present invention, which is suitable for automatically detecting the weight of molten steel;
in the figure: the bag comprises a pot-shaped bag body 1, a spout 11, an inlet section 111, a buffer section 112, a flow guide section 113, a nodulizer placing area 12, a nodulizer 121, a molten steel scouring area 13, a scouring table-board 131, a cover body 2, a gap 21, a cover cap 3, ears 31, a driving mechanism 4, a lifting cylinder 41, a connecting rod 42, an electromagnet 43, a magnet block 44 and an electronic wagon balance 5.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic views illustrating only the basic structure of the present invention in a schematic manner, and thus show only the constitution related to the present invention.
FIG. 1 is a flowchart of a method for rapidly detecting a weight of molten steel according to the present invention;
FIG. 2 is a schematic block diagram of a spheroidizing apparatus according to the present invention, which is adapted to automatically detect the weight of molten steel.
FIG. 3 is a structural view of a spheroidizing apparatus according to the present invention, which is suitable for automatically detecting the weight of molten steel.
As shown in fig. 1 to 3, the present embodiment provides a method for rapidly detecting a weight of molten steel, including: a balling device controlled by the control module; the spheroidizing device includes: the pot-shaped bag comprises a pot-shaped bag body 1 provided with a spout 11, a cover body 2 covered on the top of the pot-shaped bag body 1, a cover cap 3 covered on the spout 11, a driving mechanism 4 positioned above the cover cap 3, an electronic wagon balance 5 positioned at the bottom of the pot-shaped bag body 1 and an alarm 6 connected with a control module; the control module is suitable for controlling the driving mechanism 4 to drive the cap 3 to move upwards so as to open the spout 11, and the molten steel enters the pot-shaped bag body 1 through the spout 11; the electronic wagon balance 5 is suitable for detecting the weight of the pot-shaped bag body 1; when the weight of the pot-shaped bag body 1 is equal to a set weight value, the control module controls the driving mechanism 4 to close the spout 1; and when the weight of the pot-shaped bag body 1 is larger than a set weight value, the alarm 7 gives an alarm.
Specifically, when molten steel is injected into the pot-shaped bag body 1, the control module is suitable for controlling the driving mechanism to open the spout; when the weight of the pot-shaped bag body is equal to the set weight value, the control module is suitable for controlling the driving mechanism to close the spout. When the weight of the pot-shaped bag body 1 is larger than the set weight value, in order to avoid false alarm and delay condition of molten steel casting, the weight of the pot-shaped bag body 1 is allowed to be larger than 20-50kg of the set weight value, and the alarm gives an alarm.
Optionally, referring to fig. 2, the control module is adapted to control the operation of the lifting cylinder, the electromagnet, and the alarm, respectively, and the control module is, for example and without limitation, an industrial control board or a PLC. The steel ladle spheroidizing device has the advantages that automatic operation is realized, time is saved, the danger of manual operation is reduced, potential safety hazards caused by splashing of molten steel out of the steel ladle can be avoided, meanwhile, the top cover is arranged at the top of the pot-shaped ladle body, the weight value is adopted to measure the molten steel injection amount when the height of the liquid level of the injected molten steel cannot be seen, the proportion of the molten steel and a spheroidizing agent is also accurate, the spheroidizing effect is improved, and the quality of steel billets can be guaranteed.
According to the method for rapidly detecting the weight of the molten steel, the spout is automatically opened through the driving mechanism, so that the molten steel enters or flows out of the pot-shaped bag body in a pouring manner, the weight of the pot-shaped bag body can be effectively monitored through the electronic weighbridge, the weight of the molten steel is accurately controlled, and the safety of equipment is improved; the operation inconvenience that molten steel splashes and arouses can be avoided, the heat preservation effect of kettle-shaped inclusion has been improved, the balling effect is improved, and then the initial structure of guaranteeing the steel billet is more even, is favorable to improving forging quality.
As an alternative embodiment of the drive mechanism.
Referring to fig. 3, the drive mechanism 4 includes: a lifting cylinder 41 positioned above the cap 3, a connecting rod 42 positioned at the end part of a piston rod of the lifting cylinder 41, an electromagnet 43 positioned at the tail end of the connecting rod 42 and a magnet block 44 fixed on the cap 3; the electromagnet 43 is adapted to be energized to generate a magnetic attraction force on the magnet block 44; and the lifting cylinder 41 is suitable for driving the electromagnet 43 to move upwards through the connecting rod 42 so as to adsorb the magnet block 44 to move upwards, namely, the cap 3 is driven to be separated from the spout 11 so as to open the spout 11.
The actuating mechanism of this embodiment drives the electro-magnet motion through the lift cylinder to attract magnet piece up-and-down motion through magnetic attraction, drive the block and break away from or the lid closes on the hu zui, thereby realize opening the hu zui or close the hu zui fast, improved the heat insulating ability of kettle form inclusion, guaranteed the balling effect of molten steel.
Further, referring to fig. 2, a gap 21 suitable for the movement of the cap 3 is left between the cover body 2 and the cap 3; a convex ear 31 is arranged at the joint of the cap 3 and the cover body 2; when the cover cap 3 is covered on the spout 11, the ears 31 are covered on the gap of the cover body 2 to cover the gap 21, so as to improve the sealing performance and the heat preservation effect of the pot-shaped bag body 1.
Preferably, the bottom parts of the cover body 2 and the cover cap 3 are covered with heat insulation cotton so as to further improve the heat insulation effect of the pot-shaped bag body.
As an alternative embodiment of the spout.
Referring to fig. 3, the spout 11 includes: an inlet section 111, a buffer section 112 and a drainage section 113 which are connected in sequence from top to bottom; wherein the inlet section 111 is in a concave arc shape, and the opening is arranged upwards so as to be suitable for pouring molten steel; the buffer section 112 is arranged approximately horizontally to buffer the impulsive force of molten steel; and the flow guiding section 113 is in a convex arc shape and extends and is connected with the inner wall of the pot-shaped bag body 1 so as to guide the molten steel to flow into the pot-shaped bag body 1.
The spout of the embodiment is in an arc-shaped design with the inlet section, the buffering section and the drainage section which are sequentially connected, so that molten steel can be poured conveniently, the spout can be closed, the scouring force of the molten steel can be buffered, the scouring damage of the molten steel to the pot-shaped bag body is reduced, the service life of equipment is prolonged, and meanwhile, the phenomenon that slag falls from the inner wall of the pot-shaped bag body and enters the molten steel to form impurities is also reduced. In addition, the drainage section can drain molten steel to enter the molten steel scouring area along the inner wall of the pot-shaped inclusion 1, so that the inner wall and the bottom of the pot-shaped inclusion are prevented from being damaged or a nodulizer is prevented from being scoured, the nodulizing effect is reduced, and the quality of steel billets is influenced.
As an alternative embodiment of the pot-shaped bag.
As shown in fig. 3, the bottom of the pot-shaped bag body 1 is provided with a nodulizer placing area 12 and a molten steel scouring area 13 which are separately arranged; the molten steel flushing area 13 is arranged close to one side of the kettle nozzle 11 and is communicated with the top of the nodulizer placing area 12; and the inner wall of the pot-shaped bag body 1, which is positioned at one side of the molten steel scouring area 13, is suitable for being arranged obliquely outwards so as to extend along the drainage section 113.
Optionally, referring to fig. 3, a scouring table 131 is detachably mounted at the bottom of the molten steel scouring area 13; the top of the scouring table-board 131 is concave arc-shaped. Optionally, the scouring table top is made of tungsten, tungsten alloy, molybdenum alloy and the like, and has a melting point higher than that of molten steel, so that the bottom of the pot-shaped ladle body 1 is protected from being scoured by the molten steel, and the scouring table top is convenient to replace after being damaged.
The pot-shaped ladle body of the embodiment prevents the nodulizer 121 from being washed by molten steel through the nodulizer placing area and the molten steel washing area which are separately arranged, and gradually diffuses into the molten steel along with the increase of the liquid level of the molten steel, thereby playing a role in nodulizing inoculation and improving the nodulizing effect.
Further, the control module is suitable for setting the spheroidizing time through a built-in clock chip; when the spout is closed, the clock chip starts to time, and when the time equals to the set spheroidization time, the control module controls the driving mechanism to open the spout again so that the spheroidized molten steel is poured out of the pot-shaped bag body. Realizes automatic operation, accurately controls the spheroidization time of the molten steel and improves the spheroidization effect of the molten steel. In this embodiment, the clock chip is a prior art, and is only used for a timing function, and this embodiment does not substantially improve the content thereof, and does not belong to the protection scope of this embodiment.
In conclusion, the method for rapidly detecting the weight of the molten steel controls the driving mechanism to automatically open the spout through the control module so that the molten steel enters or flows out of the pot-shaped bag body in a pouring manner, can effectively monitor the weight of the pot-shaped bag body through the electronic weighbridge, accurately controls the weight of the molten steel, and improves the safety of equipment; meanwhile, the heat preservation effect of the pot-shaped inclusion body can be ensured, the spheroidization effect is improved, the initial structure of the billet is ensured to be more uniform, and the forging quality is favorably improved; the control module controls the driving mechanism to realize automatic opening or closing of the kettle nozzle, the injection amount of the molten steel is accurately controlled through the electronic weighbridge, the proportion of the molten steel and the nodulizer is also accurate, the nodulizing time of the molten steel is accurately controlled through the clock chip, the nodulizing effect of the molten steel is improved, the uniformity and the purity of an initial structure of a steel billet are further ensured, and the forging quality is improved.
In light of the foregoing description of the preferred embodiment of the present invention, many modifications and variations will be apparent to those skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.

Claims (7)

1. A method for rapidly detecting the weight of molten steel is characterized by comprising the following steps: the control module controls the driving mechanism to drive the cover cap to move upwards so as to open the spout, and molten steel enters the pot-shaped bag body through the spout; detecting the weight of the pot-shaped bag body through an electronic wagon balance; when the weight of the pot-shaped bag body is equal to the set weight value, the control module controls the driving mechanism to close the spout; and when the weight of the pot-shaped bag body is larger than the set weight value, the alarm gives an alarm.
2. The method for rapidly detecting the weight of molten steel according to claim 1, wherein the driving mechanism comprises: the lifting cylinder is positioned above the cap, the connecting rod is positioned at the end part of the piston rod of the lifting cylinder, the electromagnet is positioned at the tail end of the connecting rod, and the magnet block is fixed on the cap; the electromagnet is suitable for being electrified to generate magnetic attraction force on the magnet block; and the lifting cylinder is suitable for driving the electromagnet to move upwards through the connecting rod so as to adsorb the magnet block to move upwards, namely, the cap is driven to be separated from the spout, and the spout is opened.
3. The method for rapidly detecting the weight of molten steel according to claim 1, wherein a gap suitable for the movement of the cap is reserved between the cover body and the cap; a convex ear is arranged at the joint of the cap and the cover body; when the cover cap is covered on the spout, the ears are covered on the gap of the cover body to seal the gap.
4. The method for rapidly detecting the weight of molten steel according to claim 1, wherein the spout comprises: the inlet section, the buffer section and the drainage section are sequentially connected from top to bottom; wherein the inlet section is in a concave arc shape, and the opening of the inlet section is arranged upwards so as to be suitable for pouring molten steel; the buffer section is arranged approximately horizontally to buffer the impulsive force of molten steel; and the drainage section is in a convex arc shape and is connected with the inner wall of the pot-shaped bag body in an extending way so as to guide the molten steel to flow into the pot-shaped bag body.
5. The method for rapidly detecting the weight of the molten steel according to claim 4, wherein a nodulizer placing area and a molten steel scouring area which are separately arranged are arranged at the bottom of the pot-shaped bag body; the molten steel scouring area is arranged close to one side of the kettle nozzle and communicated with the top of the nodulizer placing area; and the inner wall of the pot-shaped bag body, which is positioned at one side of the molten steel scouring area, is suitable for being arranged obliquely outwards so as to extend along the drainage section.
6. The method for rapidly detecting the weight of the molten steel according to claim 5, wherein a scouring table top is detachably mounted at the bottom of the molten steel scouring area; the top of the scouring table-board is in a concave arc shape.
7. The method for rapidly detecting the weight of molten steel according to claim 1, wherein the control module is adapted to set a spheroidizing time by a built-in clock chip; when the spout is closed, the clock chip starts to time, and when the time equals to the set spheroidization time, the control module controls the driving mechanism to open the spout again so that the spheroidized molten steel is poured out of the pot-shaped bag body.
CN201911005566.2A 2019-10-22 2019-10-22 Method for rapidly detecting weight of molten steel Pending CN110722142A (en)

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CN201911005566.2A CN110722142A (en) 2019-10-22 2019-10-22 Method for rapidly detecting weight of molten steel

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB105258A (en) * 1916-04-01 1917-04-02 William Beard Lake Improvements in or relating to Foundry Ladles.
CN2085688U (en) * 1991-04-05 1991-10-02 尹士文 Spheroidized foundry ladle
CN101817076A (en) * 2010-04-27 2010-09-01 桃江新兴管件有限责任公司 Teapot nodulizing packet
CN203030881U (en) * 2012-12-04 2013-07-03 莱芜钢铁集团有限公司 Steel ladle
CN103302280A (en) * 2013-06-09 2013-09-18 河北省首钢迁安钢铁有限责任公司 Construction method of steel ladle bottom for ultra-low carbon steel
CN109719262A (en) * 2018-12-31 2019-05-07 常州轻工职业技术学院 A kind of spheroidization device and its working method

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB105258A (en) * 1916-04-01 1917-04-02 William Beard Lake Improvements in or relating to Foundry Ladles.
CN2085688U (en) * 1991-04-05 1991-10-02 尹士文 Spheroidized foundry ladle
CN101817076A (en) * 2010-04-27 2010-09-01 桃江新兴管件有限责任公司 Teapot nodulizing packet
CN203030881U (en) * 2012-12-04 2013-07-03 莱芜钢铁集团有限公司 Steel ladle
CN103302280A (en) * 2013-06-09 2013-09-18 河北省首钢迁安钢铁有限责任公司 Construction method of steel ladle bottom for ultra-low carbon steel
CN109719262A (en) * 2018-12-31 2019-05-07 常州轻工职业技术学院 A kind of spheroidization device and its working method

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
机械工人应知考核题解丛书编审委员会: "《铸造工应知考核题解》", 30 April 1999, 机械工业出版社 *

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Application publication date: 20200124