CN114515828A - One-key type device and method for vertically adding ladle sliding nozzle drainage sand - Google Patents
One-key type device and method for vertically adding ladle sliding nozzle drainage sand Download PDFInfo
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- CN114515828A CN114515828A CN202111405950.9A CN202111405950A CN114515828A CN 114515828 A CN114515828 A CN 114515828A CN 202111405950 A CN202111405950 A CN 202111405950A CN 114515828 A CN114515828 A CN 114515828A
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- sand
- tank body
- ladle
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- drainage
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D41/00—Casting melt-holding vessels, e.g. ladles, tundishes, cups or the like
- B22D41/14—Closures
- B22D41/44—Consumable closure means, i.e. closure means being used only once
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D2/00—Arrangement of indicating or measuring devices, e.g. for temperature or viscosity of the fused mass
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
Abstract
The invention relates to a one-key type device and a method for vertically adding ladle sliding gate drain sand, belonging to the technical field of steel making equipment and methods in the metallurgical industry. The technical scheme of the invention is as follows: the crown block lifts the drainage sand above the receiving hopper, the drainage sand is added into the tank body, compressed air is injected into the tank body, and the drainage sand enters the sand adding pipe from the tank body through the connecting pipeline, the rotary joint, the hollow main shaft and the wear-resistant rubber pipe under the action of pressure; the ladle car realizes the vertical centering of the sand adding pipe and the ladle sliding nozzle through the accurate positioning control of the laser range finder, the sand adding pipe realizes the vertical lifting function of the sand adding pipe through the lifting device of the winding drum, and the ladle sliding nozzle is inserted for filling the drainage sand to complete the filling function of the drainage sand. The invention has the beneficial effects that: simple structure, easy operation, safe operation, accurate sand feeding amount, and quick, safe and accurate operation of feeding the drainage sand.
Description
Technical Field
The invention relates to a one-key vertical adding device and method for ladle sliding nozzle drain sand, and belongs to the technical field of steel making equipment and methods in the metallurgical industry.
Background
The steel ladle needs to be used in the pouring process of steel-making production in the metallurgical industry, the steel ladle needs to add the drainage sand to the channel that the molten steel flows out in the steel ladle before using, the traditional method of steel ladle adding the drainage sand is to hang the steel ladle under the special platform of sand adding, by the professional sand adding worker, constitute the sand adding device with a sand adding steel pipe and funnel, aim at the slide gate mouth of a river with the pipe of sand adding device and go up the mouth of a river, the drainage sand passes through the funnel and the leading-in mouth of a river of the guide pipe, accomplish steel ladle slide gate mouth of a river and add drainage sand technology, this kind of sand adding technology, because it is the operation on the ladle of heating, very easily cause operating personnel to roast, scald, complex operation, extravagant manual work, delay time. Therefore, there is a need for an improvement of the conventional top-down addition method.
Disclosure of Invention
The invention aims to provide a one-key type ladle sliding gate drainage sand vertical adding device and a one-key type ladle sliding gate drainage sand vertical adding method, which utilize the precise positioning technology, the pneumatic conveying technology and the image recognition technology of a ladle car to realize one-key type operation sand adding of a computer, have simple structure, easy operation, safe operation and accurate sand adding amount, realize quick, safe and accurate operation of adding the drainage sand, and effectively solve the problems in the background technology.
The technical scheme of the invention is as follows: a one-key ladle sliding gate drainage sand vertical adding device comprises a sand preparing part, a lifting part, a centering part and a pneumatic pressurization control part,
the sand preparing part comprises a tank body, a receiving hopper and a supporting platform, the supporting platform is arranged on the platform, a hole is formed in the middle of the supporting platform, and the tank body is inserted from the middle of the supporting platform and is positioned by weighing sensors on two sides of the tank body; the receiving hopper is funnel-shaped and is communicated with the upper part of the tank body; the outlet of the tank body is connected with the lifting part through a connecting pipeline and a rotary joint;
the lifting part comprises a sand adding pipe, a wear-resistant rubber pipe, a winding drum, a supporting box body, an electrically-driven cycloid needle speed reducer and a hollow main shaft, one end of the hollow main shaft is connected with the sand preparing part, the winding drum is assembled at the other end of the hollow main shaft, and the hollow main shaft is supported by the supporting box body through a sliding bearing and is axially positioned through a positioning nut; the electrically-driven cycloidal pin speed reducer is positioned in the supporting box body through a base plate and a bolt, the chain wheel II is arranged at the output end of the electrically-driven cycloidal pin speed reducer, the chain wheel I is assembled on the hollow main shaft, and the chain wheel I and the chain wheel II are driven through a chain; the wear-resistant rubber tube is wound on the lifting winding drum, the upper port of the wear-resistant rubber tube is connected with the port of the hollow main shaft through the hoop, the lower port of the wear-resistant rubber tube is connected with the sand adding pipe, the sand adding pipe penetrates through the platform and is inserted into the guide sleeve, and the guide sleeve is vertically arranged on the steel ladle capping platform;
the middle part comprises an observation hole, an image recognition camera, a coder, a laser reflection plate and a laser range finder, the observation hole is arranged on a steel ladle capping platform and is matched with the position of the guide sleeve, and the image recognition camera is fixed on the observation hole; the encoder is arranged on the side surface of the supporting box body and is matched with the position of the wear-resistant rubber pipe; the laser reflecting plate is arranged on the buggy ladle, and the laser range finder is arranged on a buggy ladle mobile control platform;
the pneumatic pressurization control part comprises a pneumatic ball valve, a pneumatic butterfly valve, a safety valve, a T-shaped three-way reversing valve, a pressure reducing valve, an MCC control cabinet and a PLC, wherein the safety valve, the T-shaped three-way reversing valve and the pressure reducing valve are connected in series through an air source pipeline and are communicated with the tank body; the pneumatic butterfly valve is arranged between the receiving hopper and the tank body; the pneumatic ball valve is arranged on a connecting pipeline at the outlet of the tank body; PLC and MCC switch board constitution one-key control system installs on the ladle adds the lid platform, and image recognition camera, electric drive cycloid needle speed reducer, pneumatic ball valve, pneumatic butterfly valve, relief valve, T type tee bend switching-over valve, relief pressure valve, weighing sensor and laser range finder are connected with PLC respectively.
The upper part and the lower part of the tank body are conical tank bodies, and the middle part is cylindrical.
The supporting platform is in a shape of a square table with four legs.
The number of turns of the wear-resistant rubber tube wound on the lifting winding drum is matched with the lifting stroke.
A one-key vertical adding method of ladle sliding nozzle drain sand comprises the following steps:
1. preparing sand, operating a pneumatic butterfly valve, opening a connecting channel between a receiving hopper and a tank body, hoisting custom-packaged drainage sand above the receiving hopper by a crown block, adding the drainage sand into the tank body by the receiving hopper, operating the pneumatic butterfly valve after confirming sufficient quantity of the drainage sand, closing the connecting channel between the receiving hopper and the tank body, opening a T-shaped three-way reversing valve, and injecting compressed air into the tank body to a standard pressure;
2. starting a one-key sand adding function, starting a sand adding key by a converter operator operation computer, centering the ladle car with a sand adding pipe after the ladle car moves, and finishing centering after the laser range finder feeds back set position data; after delaying for 3 seconds, the PLC instructs the electric drive pendulum pin speed reducer to drive the winding drum to rotate and descend, and the encoder feeds back set descending position data and stops; after 3 seconds of delay, the pneumatic ball valve is powered on and opened, the drainage sand in the tank body flows to the sand adding pipe, when the output weight reaches a set value, the weighing sensor feeds back data to the PLC to close the pneumatic ball valve, and after the image recognition camera performs image recognition, the filling of the drainage sand is completed.
When the compressed air is injected into the tank body, the pressure of the compressed air is 0.2-0.6 MPa.
The weight of the drainage sand injected each time is 44-46 kg.
The invention has the beneficial effects that: the sand adding device has the advantages that the sand adding device can realize one-key operation of a computer by utilizing the precise positioning technology, the pneumatic conveying technology and the image recognition technology of the buggy ladle, is simple in structure, easy to operate, safe to operate, accurate in sand adding amount, and capable of realizing quick, safe and accurate sand adding operation.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is an enlarged view of a portion of FIG. 1;
FIG. 3 is an enlarged view of a portion of FIG. 2;
FIG. 4 is an enlarged view of a portion of FIG. 1;
FIG. 5 is a diagram of the centering completion state of the present invention;
FIG. 6 is a schematic view of a sand-adding embodiment of the present invention;
FIG. 7 is a schematic view of the present invention showing the completion of the sand addition;
FIG. 8 is a cross-sectional view of a spool of the apparatus of the present invention;
in the figure: the steel ladle capping device comprises a steel ladle capping platform 1, an observation hole 2, an image recognition camera 3, a guide sleeve 4, a sand adding pipe 5, a platform hole 6, a hoop 7, a wear-resistant rubber pipe 8, a winding drum 9, a support box body 10, a chain wheel I11, a chain 12, an encoder 13, a chain wheel II 14, an electrically-driven cycloidal needle speed reducer 15, a baseboard 16, a bolt 17, a hollow main shaft 18, a sliding bearing 19, a positioning nut 20, a rotary joint 21, a pneumatic ball valve 22, a connecting pipeline 23, a crown block 24, drainage sand 25, a receiving hopper 26, a pneumatic butterfly valve 27, a safety valve 28, a T-shaped three-way reversing valve 29, a pressure reducing valve 30, a tank body 31, a weighing sensor 32, a support platform 33, a tank body outlet 34, an air source pipeline 35, a lifting support platform 36, a platform 37, an MCC control cabinet 38, a PLC39, an industrial computer 40, a steel ladle 41, a steel ladle car 42, a laser reflection plate 43, a laser range finder 44, a furnace lower track 45, a steel ladle lower track 6, a steel ladle, A cable drum 46, a buggy ladle movement control platform 47, a furnace rear platform 48, a converter body 49 and an oxygen lance 50.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the following will clearly and completely describe the technical solutions of the embodiments of the present invention with reference to the drawings of the embodiments, and it is obvious that the described embodiments are a small part of the embodiments of the present invention, rather than all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative work based on the embodiments of the present invention belong to the protection scope of the present invention.
A one-key ladle sliding gate drainage sand vertical adding device comprises a sand preparing part, a lifting part, a centering part and a pneumatic pressurization control part,
the sand preparation part comprises a tank body 31, a receiving hopper 26 and a supporting platform 33, wherein the supporting platform 33 is arranged on a platform 37, a hole is formed in the middle of the supporting platform 33, the tank body 31 is inserted from the middle of the supporting platform 33 and is positioned by weighing sensors 32 on two sides of the tank body 31; the receiving hopper 26 is funnel-shaped and is communicated with the upper part of the tank body 31; the outlet of the tank 31 is connected with the lifting part through a connecting pipeline 23 and a rotary joint 21;
the lifting part comprises a sand adding pipe 5, a wear-resistant rubber pipe 8, a winding drum 9, a supporting box body 10, an electrically-driven cycloid needle speed reducer 15 and a hollow main shaft 18, one end of the hollow main shaft 18 is connected with the sand preparing part, the winding drum 9 is assembled at the other end of the hollow main shaft 18, and the hollow main shaft 18 is supported by a sliding bearing 19 and the supporting box body 10 and is axially positioned by a positioning nut 20; an electrically-driven cycloidal pin speed reducer 15 is positioned inside the supporting box body 10 through a base plate 16 and a bolt 17, a chain wheel II 14 is arranged at the output end of the electrically-driven cycloidal pin speed reducer 15, a chain wheel I11 is assembled on a hollow main shaft 18, and the chain wheel I11 and the chain wheel II 14 are driven through a chain 12; the wear-resistant rubber tube 8 is wound on the lifting winding drum 9, the upper port of the wear-resistant rubber tube 8 is connected with the port of the hollow main shaft 18 through the hoop 7, the lower port of the wear-resistant rubber tube 8 is connected with the sand adding tube 5, the sand adding tube 5 penetrates through the platform 37 and is inserted into the guide sleeve 4, and the guide sleeve 4 is vertically arranged on the steel ladle capping platform 1;
the middle part comprises an observation hole 2, an image recognition camera 3, an encoder 13, a laser reflection plate 43 and a laser range finder 44, the observation hole 2 is arranged on the steel ladle capping platform 1 and matched with the position of the guide sleeve 4, and the image recognition camera 3 is fixed on the observation hole 2; the encoder 13 is arranged on the side surface of the supporting box body 10 and is matched with the position of the wear-resistant rubber pipe 8; the laser reflecting plate 43 is arranged on the buggy ladle 42, and the laser range finder 44 is arranged on the buggy ladle mobile console 47;
the pneumatic pressurization control part comprises a pneumatic ball valve 22, a pneumatic butterfly valve 27, a safety valve 28, a T-shaped three-way reversing valve 29, a pressure reducing valve 30, an MCC control cabinet 38 and a PLC39, wherein the safety valve 28, the T-shaped three-way reversing valve 29 and the pressure reducing valve 30 are connected in series through an air source pipeline 35 and communicated with the tank body 31; the pneumatic butterfly valve 27 is arranged between the receiving hopper 26 and the tank 31; the pneumatic ball valve 22 is arranged on the connecting pipeline 23 at the outlet of the tank 31; the PLC39 and the MCC control cabinet 38 form a one-key control system, the one-key control system is installed on the steel ladle capping platform 1, and the image recognition camera 3, the electrically-driven cycloid needle speed reducer 15, the pneumatic ball valve 22, the pneumatic butterfly valve 27, the safety valve 28, the T-shaped three-way reversing valve 29, the pressure reducing valve 30, the weighing sensor 32 and the laser range finder 44 are respectively connected with the PLC 39.
The tank 31 is a conical tank with upper and lower portions, and a cylindrical tank with a middle portion.
The support platform 33 is in the shape of a four-legged square table.
The number of turns of the wear-resistant rubber tube 8 wound on the lifting winding drum 9 is matched with the lifting stroke, and the number of turns of the wear-resistant rubber tube 8 wound on the lifting winding drum 9 is 3-N.
A one-key vertical adding method of ladle sliding nozzle drain sand comprises the following steps:
preparing sand, operating a pneumatic butterfly valve, opening a connecting channel between a receiving hopper and a tank body, hoisting custom-packaged drainage sand above the receiving hopper by a crown block, adding the drainage sand into the tank body by the receiving hopper, operating the pneumatic butterfly valve, closing the connecting channel between the receiving hopper and the tank body, opening a T-shaped three-way reversing valve, and injecting compressed air into the tank body to a standard pressure; note: 1000Kg of prepared sand at a time can meet the requirement of using 30 ladles in 24 hours in 3 operation shifts;
starting a one-key sand adding function, starting a sand adding key by a converter operator operating computer, centering the buggy ladle and the sand adding pipe, and finishing centering after the laser range finder feeds back set position data; after delaying for 3 seconds, the PLC instructs the electric drive pendulum pin speed reducer to drive the winding drum to rotate and descend, and the encoder feeds back set descending position data and stops; after 3 seconds of delay, the pneumatic ball valve is powered on and opened, the drainage sand in the tank body flows to the sand adding pipe, when the output weight reaches a set value, the weighing sensor feeds back data to the PLC to close the pneumatic ball valve, and after the image recognition camera performs image recognition, the filling of the drainage sand is completed.
When the compressed air is injected into the tank body, the pressure of the compressed air is 0.2-0.6 MPa.
The weight of the drainage sand injected each time is 44-46 kg.
In practical application, the crown block 24 lifts the drainage sand 25 above the receiving hopper 26, and the drainage sand 25 is added into the tank 31. Injecting compressed air into the tank body 31, and allowing the drainage sand 25 to enter the sand adding pipe 5 from the tank body 31 through the connecting pipeline 23, the rotary joint 21, the hollow main shaft 18 and the wear-resistant rubber pipe 8 under the action of pressure; the precise positioning control of the ladle car through the laser range finder realizes the vertical centering of the sand adding pipe 5 and the ladle sliding nozzle, the vertical lifting function of the sand adding pipe 5 is realized through the lifting device of the winding drum 9 by the sand adding pipe 5, and the ladle sliding nozzle is inserted to fill the drainage sand 25, so that the filling function of the drainage sand is completed.
Example (b):
can 31, container phi 800 x 1000;
the pneumatic butterfly valve 27 standard component DN100 PN1.6, and the support platform 33 rivet welding piece phi 1000 x 700; the load cell 32 is YZC-320; the connecting pipeline phi 48 is 3.2; the pneumatic ball valve 22 standard DN40 PN 1.6; the swivel joint 21 is not standard HD 40; the riveting and welding piece phi 800 x 100 of the winding drum 9; the hollow spindle 18 mechanical piece Φ 100 x 1000; the specification phi 120 x 100 of the sliding bearing 19; the support box 10 has a rivet size 1000 x 600 x 500; the electric driving cycloid pin speed reducer 15 is BWD-29-4.5 in model, and the chain wheel II 14 and the chain wheel I11 are standard parts phi 240 x 100; the 8-specification phi 60 x 4000 of the wear-resistant rubber pipe; the stainless steel pipe phi 48 x 5 x 5000 of the sand adding pipe 5; the guide sleeve 4 has a specification phi 100 x 10 x 600; the specification phi 273 x 8 x 200 of the observation hole 2; the laser rangefinder 44 model SWENKYLASER-100; the PLC39 is a 200-series; the image recognition camera 3 is in a model number IMX317, the safety valve 28 is in a model number A27W-10T/16T, the T-shaped three-way reversing valve 29 is in a model number DN15, the pressure reducing valve 30 is in a model number QTY15-1.0, and the air source pipeline 35 is a PVC hose phi 14 x 2; the lifting support platform 36 is riveted with a weldment phi 1200 x 1000; the MCC control cabinet 38 size 500 x 600 x 200; the encoder 13 is model E6B2-CWZ6C, and the computer (40) EIPC700-H310L 2.
Claims (7)
1. The utility model provides a device is added perpendicularly to a key formula ladle slide gate mouth drainage sand which characterized in that: comprises a sand preparing part, a lifting part, a centering part and a pneumatic pressurization control part,
the sand preparation part comprises a tank body (31), a receiving hopper (26) and a supporting platform (33), the supporting platform (33) is arranged on a platform (37), the middle of the supporting platform is provided with a hole, the tank body (31) is inserted from the middle of the supporting platform (33) and is positioned by weighing sensors (32) on two sides of the tank body (31); the receiving hopper (26) is funnel-shaped and is communicated with the upper part of the tank body (31); the outlet of the tank body (31) is connected with the lifting part through a connecting pipeline (23) and a rotary joint (21);
the lifting part comprises a sand adding pipe (5), a wear-resistant rubber pipe (8), a winding drum (9), a supporting box body (10), an electrically-driven cycloid pin speed reducer (15) and a hollow main shaft (18), one end of the hollow main shaft (18) is connected with the sand preparing part, the winding drum (9) is assembled at the other end of the hollow main shaft (18), and the hollow main shaft (18) is supported by a sliding bearing (19) and the supporting box body (10) and is axially positioned by a positioning nut (20); an electrically-driven cycloid needle speed reducer (15) is positioned in a supporting box body (10) through a base plate (16) and a bolt (17), a chain wheel II (14) is arranged at the output end of the electrically-driven cycloid needle speed reducer (15), a chain wheel I (11) is assembled on a hollow main shaft (18), and the chain wheel I (11) and the chain wheel II (14) are driven through a chain (12); the wear-resistant rubber tube (8) is wound on the lifting winding drum (9), the upper port of the wear-resistant rubber tube (8) is connected with the port of the hollow main shaft (18) through the hoop (7), the lower port of the wear-resistant rubber tube is connected with the sand adding tube (5), the sand adding tube (5) penetrates through the platform (37) and is inserted into the guide sleeve (4), and the guide sleeve (4) is vertically arranged on the steel ladle capping platform (1);
the middle part comprises an observation hole (2), an image recognition camera (3), an encoder (13), a laser reflection plate (43) and a laser range finder (44), the observation hole (2) is arranged on the steel ladle covering platform (1) and is matched with the position of the guide sleeve (4), and the image recognition camera (3) is fixed on the observation hole (2); the encoder (13) is arranged on the side surface of the supporting box body (10) and is matched with the position of the wear-resistant rubber pipe (8); the laser reflecting plate (43) is arranged on the buggy ladle (42), and the laser range finder (44) is arranged on a buggy ladle mobile console (47);
the pneumatic pressurization control part comprises a pneumatic ball valve (22), a pneumatic butterfly valve (27), a safety valve (28), a T-shaped three-way reversing valve (29), a pressure reducing valve (30), an MCC control cabinet (38) and a PLC (39), wherein the safety valve (28), the T-shaped three-way reversing valve (29) and the pressure reducing valve (30) are connected in series through an air source pipeline (35) and communicated with the tank body (31); the pneumatic butterfly valve (27) is arranged between the receiving hopper (26) and the tank body (31); the pneumatic ball valve (22) is arranged on a connecting pipeline (23) at the outlet of the tank body (31); PLC (39) and MCC switch board (38) constitute a key control system, install on ladle covers platform (1), and image recognition camera (3), electric drive cycloid needle speed reducer (15), pneumatic ball valve (22), pneumatic butterfly valve (27), relief valve (28), T type tee bend switching-over valve (29), relief valve (30), weighing sensor (32) and laser range finder (44) are connected with PLC (39) respectively.
2. The one-button ladle sliding gate drain sand vertical adding device according to claim 1, characterized in that: the tank body (31) is a tank body with the upper part and the lower part being conical, and the middle part is cylindrical.
3. The one-button ladle sliding gate drain sand vertical adding device according to claim 1, characterized in that: the supporting platform (33) is in a shape of a four-leg square table.
4. The one-key type ladle sliding nozzle drainage sand vertical adding device according to claim 1 is characterized in that: the number of turns of the wear-resistant rubber tube (8) wound on the lifting winding drum (9) is matched with the lifting stroke.
5. A one-key vertical adding method of ladle sliding nozzle drain sand is characterized by comprising the following steps:
preparing sand, operating a pneumatic butterfly valve, opening a connecting channel between a receiving hopper and a tank body, hoisting custom-packaged drainage sand above the receiving hopper by a crown block, adding the drainage sand into the tank body by the receiving hopper, operating the pneumatic butterfly valve, closing the connecting channel between the receiving hopper and the tank body, opening a T-shaped three-way reversing valve, and injecting compressed air into the tank body to a standard pressure;
secondly, starting a one-key sand adding function, starting a sand adding key by a converter operator operation computer, centering the buggy ladle and a sand adding pipe, and finishing centering after the laser range finder feeds back set position data; after delaying for 3 seconds, the PLC instructs the electric drive pendulum pin speed reducer to drive the winding drum to rotate and descend, and the encoder feeds back set descending position data and stops; after 3 seconds of delay, the pneumatic ball valve is powered on and opened, the drainage sand in the tank body flows to the sand adding pipe, when the output weight reaches a set value, the weighing sensor feeds back data to the PLC to close the pneumatic ball valve, and after the image recognition camera performs image recognition, the filling of the drainage sand is completed.
6. The one-button vertical ladle sliding gate ladle filler sand adding method according to claim 5, characterized in that: when the compressed air is injected into the tank body, the pressure of the compressed air is 0.2-0.6 MPa.
7. The one-button vertical ladle slide gate nozzle ladle filler sand adding method according to claim 5, wherein the weight of each injected filler sand is 44-46 kg.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111405950.9A CN114515828B (en) | 2021-11-24 | 2021-11-24 | One-key ladle sliding gate drainage sand vertical adding device and method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111405950.9A CN114515828B (en) | 2021-11-24 | 2021-11-24 | One-key ladle sliding gate drainage sand vertical adding device and method |
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| Publication Number | Publication Date |
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| CN114515828A true CN114515828A (en) | 2022-05-20 |
| CN114515828B CN114515828B (en) | 2023-08-25 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115041674A (en) * | 2022-07-07 | 2022-09-13 | 广东韶钢松山股份有限公司 | Automatic drainage agent receiving device for steel ladle molten steel |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4795066A (en) * | 1982-09-23 | 1989-01-03 | Kaiser Steel Corporation | Ladle nozzle insert |
| KR20030042083A (en) * | 2001-11-21 | 2003-05-28 | 주식회사 포스코 | A throw apparatus for refinery melted iron in ladle |
| CN101444842A (en) * | 2008-12-30 | 2009-06-03 | 沈阳东北大学冶金技术研究所有限公司 | Alkaline flow guiding sand used in steel ladle |
| JP2013158824A (en) * | 2012-02-08 | 2013-08-19 | Sintokogio Ltd | Pouring ladle transmission device |
| CN204209119U (en) * | 2014-09-23 | 2015-03-18 | 江阴兴澄特种钢铁有限公司 | Metallurgical ladle adds the device of stuffing sand |
-
2021
- 2021-11-24 CN CN202111405950.9A patent/CN114515828B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4795066A (en) * | 1982-09-23 | 1989-01-03 | Kaiser Steel Corporation | Ladle nozzle insert |
| KR20030042083A (en) * | 2001-11-21 | 2003-05-28 | 주식회사 포스코 | A throw apparatus for refinery melted iron in ladle |
| CN101444842A (en) * | 2008-12-30 | 2009-06-03 | 沈阳东北大学冶金技术研究所有限公司 | Alkaline flow guiding sand used in steel ladle |
| JP2013158824A (en) * | 2012-02-08 | 2013-08-19 | Sintokogio Ltd | Pouring ladle transmission device |
| CN204209119U (en) * | 2014-09-23 | 2015-03-18 | 江阴兴澄特种钢铁有限公司 | Metallurgical ladle adds the device of stuffing sand |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115041674A (en) * | 2022-07-07 | 2022-09-13 | 广东韶钢松山股份有限公司 | Automatic drainage agent receiving device for steel ladle molten steel |
| CN115041674B (en) * | 2022-07-07 | 2024-02-06 | 广东韶钢松山股份有限公司 | Automatic drainage agent receiving device for ladle molten steel |
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| Publication number | Publication date |
|---|---|
| CN114515828B (en) | 2023-08-25 |
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