CN113042724B - Ladle sliding gate drainage sand bottom injection adding device and method - Google Patents

Ladle sliding gate drainage sand bottom injection adding device and method Download PDF

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Publication number
CN113042724B
CN113042724B CN202110213775.7A CN202110213775A CN113042724B CN 113042724 B CN113042724 B CN 113042724B CN 202110213775 A CN202110213775 A CN 202110213775A CN 113042724 B CN113042724 B CN 113042724B
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sand
bin
tank body
pressurizing
nitrogen
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CN113042724A (en
Inventor
赵洪生
曲毅
李阳
邢金栋
王永强
王志安
付巴特
严小林
周航
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Tangshan Stainless Steel Co ltd
Tangshan Iron and Steel Group Co Ltd
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Tangshan Stainless Steel Co ltd
Tangshan Iron and Steel Group Co Ltd
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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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  • Mechanical Engineering (AREA)
  • Jet Pumps And Other Pumps (AREA)
  • Casting Support Devices, Ladles, And Melt Control Thereby (AREA)

Abstract

The invention relates to a ladle sliding nozzle drainage sand bottom injection adding device and method, and belongs to the technical field of steel-making equipment in the metallurgical industry. Comprises a sand preparing device, a sand adding device, a sand blasting device and a pneumatic pressurizing device. A ladle sliding gate drainage sand bottom injection adding method comprises the steps of preparing sand, injecting compressed air into a tank body (1), and enabling drainage sand to enter a pressurizing bin (18) from the tank body (1) under the action of pressure; hanging a sand blasting device; and filling the drainage sand to finish filling the drainage sand. The device has simple structure and easy operation, and the bottom pouring method of the drainage sand realizes the bottom pouring of the drainage sand of the ladle sliding nozzle from bottom to top, has safe operation and accurate sand adding amount.

Description

Ladle sliding nozzle drainage sand bottom injection adding device and method
Technical Field
The invention relates to a ladle sliding gate drainage sand bottom injection adding device and method, and belongs to the technical field of steel-making equipment 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, the bottom pouring adding device and method for the ladle sliding nozzle drainage sand are invented by improving the traditional top-to-bottom adding mode and utilizing the channel of the ladle sliding nozzle, so that the operation of adding the drainage sand is realized quickly, safely and accurately.
Disclosure of Invention
The invention aims to provide a bottom pouring adding device and a bottom pouring adding method for ladle sliding nozzle drainage sand from bottom to top, which can realize quick, safe and accurate operation of adding the drainage sand.
The technical scheme of the invention is as follows: a ladle sliding gate drainage sand bottom pouring adding device comprises a sand preparing device, a sand adding device, a sand blasting device and a pneumatic pressurizing device, wherein the sand preparing device comprises a tank body, a feeding hopper, a pneumatic butterfly valve and a support frame, the tank body is a conical tank body with a cylindrical upper part and a conical lower part, the feeding hopper is of a funnel shape and is communicated with the upper part of the tank body, the pneumatic butterfly valve is arranged between the feeding hopper and the tank body, the sand adding device comprises a pneumatic ball valve, a base, a metal hose I, a pressurizing bin, a clamping holder and a support, the base and the support are steel structure seat frames, the support is arranged on the base, the clamping holder is a circular metal clamp, one end of the clamping holder is fixed on the support, the pressurizing bin is a conical tank body with a cylindrical upper part, the pressurizing bin is sleeved in the clamping holder in a penetrating manner, one end of the metal hose I is communicated with the tank body, the other end of the metal hose I is communicated with the upper end of the pressurizing bin, the middle of the metal hose I is communicated with the pneumatic ball valve, the sand blasting device comprises a metal hose II, a quick connector body, tension springs, a spray gun body, lifting lugs, a positioning retaining ring, a gasket and U-shaped hooks, wherein the spray gun body is a metal steel pipe, the outer diameter of the spray gun body is matched with the inner diameter of a lower water opening of a sliding mechanism, the quick connector body is arranged at the bottom of the spray gun body, one end of the metal hose II is communicated with the bottom of a pressurizing bin, the other end of the metal hose II is assembled and connected with the quick connector body, the lower part of the spray gun body is symmetrically provided with the annular lifting lugs, each lifting lug is connected with one tension spring, two U-shaped hooks are symmetrically arranged on two sides of a water opening eye at the bottom of the lower water opening of the sliding mechanism, the pneumatic pressurizing device comprises a safety valve I, a T-shaped three-way reversing valve I, a pressure reducing valve I, a compressed air inlet, a compressed air pipeline, a pressure reducing valve II, a high-pressure nitrogen inlet, a nitrogen pipeline, a safety valve II, a T-shaped three-way reversing valve II, a pressure gauge II and a nitrogen bin, compressed air entry one end and compressed air pipeline intercommunication, the other end pass through the compressed air pipeline respectively with jar body, pneumatic butterfly valve, pneumatic ball valve intercommunication be connected, be provided with relief valve I, T type tee bend switching-over valve I, relief pressure valve I on the compressed air pipeline between the compressed air entry and jar body, high-pressure nitrogen entry one end and high-pressure nitrogen gas pipeline air supply intercommunication, the other end passes through the nitrogen gas pipeline and is connected with nitrogen gas storehouse intercommunication, on the nitrogen gas pipeline between high-pressure nitrogen gas entry and nitrogen gas storehouse, is provided with relief pressure valve II, and the nitrogen gas storehouse is connected with the storehouse intercommunication of pressurizing through the compressed nitrogen gas pipeline, on the nitrogen gas pipeline between storehouse and nitrogen gas storehouse of pressurizing, is provided with T type tee bend switching-over valve II, is equipped with relief valve II, manometer II on the nitrogen gas storehouse.
The base is provided with an electronic scale, and the pressurizing bin is arranged on the electronic scale.
And the middle part of the spray gun body is provided with an annular convex positioning retaining ring and a gasket.
The distance between the positioning retaining ring and the top end of the spray gun body is matched with the length of the water outlet of the sliding water gap.
The ladle sliding gate drainage sand bottom casting adding method based on the ladle sliding gate drainage sand bottom casting adding device comprises the following steps of:
Figure 100002_DEST_PATH_IMAGE002
preparing sand, operating a pneumatic butterfly valve, opening a connecting channel between a feeding hopper and the tank body, adding drainage sand into the tank body through the feeding hopper, operating the pneumatic butterfly valve after confirming sufficient drainage sand, and closing the connecting channel between the feeding hopper and the tank body;
Figure 100002_DEST_PATH_IMAGE004
injecting compressed air into the tank body, opening the pneumatic ball valve, allowing the drainage sand in the tank body to enter the pressurizing bin from the tank body through the metal hose I and the pneumatic ball valve under the action of pressure, stopping pressurizing the tank body when the weight of the drainage sand in the pressurizing bin reaches a set value, and closing the pneumatic ball valve;
Figure 100002_DEST_PATH_IMAGE006
and (3) discharging compressed air in the pressurizing bin, when the weight of the electronic scale displays that the set weight of the added drainage sand is reached, powering off the electromagnetic valve of the T-shaped three-way reversing valve II to stop pressurizing, and discharging the pressure of the pressurizing bin after reversing.
Figure 100002_DEST_PATH_IMAGE008
A sand blasting device is added, the sliding plate of the drainage port of the sliding mechanism is confirmed to be in an open position, the front end part of the lance body is inserted into the drainage port of the sliding mechanism, and after the positioning by the positioning retaining ring, two tension springs are respectively hung on two U-shaped hooks after being elongated;
and filling the drainage sand, pressurizing the pressurizing bin through the nitrogen bin, rapidly flowing the drainage sand into a ladle nozzle through the metal hose II and the spray gun body under the action of pressure, filling a channel for molten steel to flow out of the ladle with the drainage sand, and stopping pressurizing the pressurizing bin when the electronic scale displays the weight to a set weight value to finish the filling of the drainage sand.
The ladle sliding nozzle drainage sand bottom injection adding method is characterized in that when compressed air is injected into the tank body, the compressed air is 0.2-0.6 MPa.
According to the ladle sliding gate drain sand bottom pouring adding method, when the pressurizing bin is pressurized through the nitrogen bin, the nitrogen pressure is 1.2-1.6 MPa.
The method for adding the ladle sliding nozzle drainage sand into the bottom pouring ladle has the advantage that the weight of the drainage sand injected each time is 44-46 kg.
The invention has the advantages that: the device has simple structure and easy operation, and the bottom pouring method of the drainage sand realizes the bottom pouring of the drainage sand of the ladle sliding gate from bottom to top, and has safe operation and accurate sand adding amount.
Drawings
FIG. 1 is a schematic diagram of the structure of the apparatus of the present invention;
FIG. 2 is a schematic view of a spray gun of the apparatus of the present invention;
FIG. 3 is a partial schematic view showing the state of the sand blasting device attached to the device of the present invention;
FIG. 4 is a schematic view of the apparatus according to the present invention;
FIG. 5 is a partial schematic view of the apparatus of the present invention;
labeled as: the device comprises a tank body 1, a feeding hopper 2, a pneumatic butterfly valve 3, a support frame 4, a safety valve I5, a T-shaped three-way reversing valve I6, a pressure reducing valve I7, a compressed air inlet 8, a compressed air pipeline 9, a nitrogen inlet 10, a pressure reducing valve II 11, a pressure gauge I12, a nitrogen bin 13, a nitrogen pipeline 14, a safety valve II 15, a pressure gauge II 16, a T-shaped three-way reversing valve II 17, a pneumatic ball valve 18, a pressure bin 19, a metal hose I20, a base 21, a clamping support 22, a clamping support 23, an electronic scale 24, a metal hose II 25, a quick connector body 26, a tension spring 27, a lifting lug 28, a spray gun body 29, a gasket 30, a positioning retaining ring 31, a U-shaped hook 32, a sliding mechanism water discharging port 33 and a water discharging brick 34.
Detailed Description
The invention is further illustrated by way of example in the following with reference to the accompanying drawings.
As shown in the attached drawing, the ladle sliding gate drainage sand bottom injection adding device comprises a sand preparing device, a sand adding device, a sand blasting device and a pneumatic pressurizing device, wherein the sand preparing device comprises a tank body 1, a feeding hopper 2, a pneumatic butterfly valve 3 and a support frame 4, the tank body 1 is a conical tank body with the upper cylindrical part and the lower conical part, the feeding hopper 2 is a funnel shape and is communicated with the upper part of the tank body 1, the pneumatic butterfly valve 3 is arranged between the feeding hopper 2 and the tank body 1, the sand adding device comprises a pneumatic ball valve 18, a base 21, a metal hose I20, a pressurizing bin 19, a clamping holder 23 and a support 22, the base 21 and the support 22 are steel structure seat frames, the support 22 is arranged on the base 21, the clamping holder 23 is a circular metal hoop, one end of the clamping holder is fixed on the support 22, the pressurizing bin 19 is a conical tank body with the upper cylindrical part and the lower conical part, the pressurizing bin 19 is sleeved in the clamping holder 23, one end of the metal hose I20 is communicated with the tank body 1, the other end of the pneumatic pressure device is communicated with the upper end of a pressure bin 19, the middle part of a metal hose I20 is communicated with a pneumatic ball valve 18, the sand blasting device comprises a metal hose II 25, a quick connector body 26, a tension spring 27, a spray gun body 29, lifting lugs 28, a positioning baffle ring 31, a gasket 30 and U-shaped hanging hooks 32, the spray gun body 29 is a metal steel pipe, the outer diameter of the metal hose II is matched with the inner diameter of a drainage port 33 of a sliding mechanism, the quick connector body 26 is arranged at the bottom of the spray gun body 29, one end of the metal hose II 25 is communicated with the bottom of the pressure bin 19, the other end of the metal hose II is assembled and connected with the quick connector body 26, the annular lifting lugs 28 are symmetrically arranged at the lower part of the spray gun body 29, one tension spring 27 is connected onto each lifting lug 28, two U-shaped hanging hooks 32 are symmetrically arranged at two sides of a drainage port eye at the bottom of the sliding mechanism 33, the pneumatic pressure device comprises a safety valve I5, a T-shaped three-way reversing valve I6, a pressure reducing valve I7 and a pressure reducing valve I7, The device comprises a compressed air inlet 8, a compressed air pipeline 9, a pressure reducing valve II 11, a high-pressure nitrogen inlet 10, a nitrogen pipeline 14, a safety valve II 15, a T-shaped three-way reversing valve II 17, a pressure gauge II 16 and a nitrogen bin 13, wherein one end of the compressed air inlet 8 is communicated with the compressed air pipeline, the other end of the compressed air inlet is respectively communicated and connected with a tank body 1, a pneumatic butterfly valve 3 and a pneumatic ball valve 18 through the compressed air pipeline 9, the safety valve I5, the T-shaped three-way reversing valve I6 and the pressure reducing valve I7 are arranged on the compressed air pipeline 9 between the compressed air inlet 8 and the tank body 1, one end of the high-pressure nitrogen inlet 10 is communicated with a high-pressure nitrogen pipeline air source, the other end of the high-pressure nitrogen inlet is communicated and connected with the nitrogen bin 13 through the nitrogen pipeline 14, the pressure reducing valve II 11 is arranged on the nitrogen pipeline 14 between the high-pressure nitrogen inlet 10 and the nitrogen bin 13, and the nitrogen bin 13 is communicated and connected with a pressurizing bin 19 through the compressed nitrogen pipeline 14, a T-shaped three-way reversing valve II 17 is arranged on the nitrogen pipeline 14 between the pressurizing bin 19 and the nitrogen bin 13, and a safety valve II 15 and a pressure gauge II 16 are arranged on the nitrogen bin 13. An electronic scale 24 is arranged on the base 21, and the pressurizing bin 19 is arranged on the electronic scale 24. The middle part of the spray gun body 29 is provided with an annular convex positioning retaining ring 31 and a gasket 30. The distance between the positioning retaining ring 31 and the top end of the spray gun body 29 is matched with the length of the water outlet of the sliding water gap.
Examples
A ladle sliding gate drainage sand bottom casting adding method comprises the following steps:
Figure 23281DEST_PATH_IMAGE002
preparing sand, operating the pneumatic butterfly valve 3, opening a connecting channel between the feeding hopper 2 and the tank body 1, adding drainage sand into the tank body 1 through the feeding hopper 2, operating the pneumatic butterfly valve 3 after confirming that the drainage sand is sufficient, and closing the connecting channel between the feeding hopper 2 and the tank body 1;
Figure 861793DEST_PATH_IMAGE004
injecting compressed air into the tank body 1, opening the pneumatic ball valve 18, allowing drainage sand in the tank body 1 to enter the pressurizing bin 19 from the tank body 1 through the metal hose I20 and the pneumatic ball valve 18 under the action of pressure, stopping pressurizing the tank body 1 when the weight of the drainage sand in the pressurizing bin 19 reaches a set value, and closing the pneumatic ball valve 18;
Figure 147191DEST_PATH_IMAGE006
and (3) discharging compressed air in the pressurizing bin 19, when the weight of the electronic scale displays the set weight of the added drainage sand, powering off the electromagnetic valve of the T-shaped three-way reversing valve II 17 to stop pressurizing, and discharging the pressure of the pressurizing bin after reversing.
Figure 11242DEST_PATH_IMAGE008
A sand blasting device is added, the sliding plate of the sliding mechanism drainage port 33 is confirmed to be in an opening position, the front end part of the spray gun body 29 is inserted into the sliding mechanism drainage port 33, and after the positioning by the positioning retaining ring 31, two tension springs 37 are lengthened and then hung on two U-shaped hooks 32 respectively;
Figure DEST_PATH_IMAGE010
filling the drainage sand, pressurizing the pressurizing bin 19 through the nitrogen bin 13, and allowing the drainage sand to pass through the metal under the action of pressureThe hose II 25 and the spray gun body 29 quickly flow into the inner part of a ladle nozzle, the drainage sand fills a channel for molten steel in the ladle to flow out, and when the electronic scale 24 displays the weight to a set weight value, the pressurization of the pressurization bin 19 is stopped, and the filling of the drainage sand is completed.
When the compressed air is injected into the tank 1, the pressure of the compressed air is 0.4 MPa. When the pressure was applied to the pressurizing chamber 19 through the nitrogen chamber 13, the pressure of the nitrogen gas was 1.4 MPa. The weight of the single injection of the drainage sand is 45 kilograms.
The device has simple structure and easy operation, and the bottom pouring method of the drainage sand realizes the bottom pouring of the drainage sand of the ladle sliding gate from bottom to top, and has safe operation and accurate sand adding amount.

Claims (8)

1. A ladle sliding gate drainage sand bottom injection adding device is characterized by comprising a sand preparing device, a sand adding device, a sand blasting device and a pneumatic pressurizing device, wherein the sand preparing device comprises a tank body (1), a feeding hopper (2), a pneumatic butterfly valve (3) and a support frame (4), the tank body (1) is a cone-shaped tank body with a cylindrical upper part and a conical lower part, the feeding hopper (2) is of a funnel shape and is communicated with the upper part of the tank body (1), the pneumatic butterfly valve (3) is arranged between the feeding hopper (2) and the tank body (1), the sand adding device comprises a pneumatic ball valve (18), a base (21), a metal hose I (20), a pressurizing bin (19), a clamping support (23) and a support (22), the base (21) and the support (22) are steel structure seats, the support (22) is arranged on the base (21), the clamping support (23) is a circular metal hoop, and one end of the clamping support is fixed on the support (22), the pressure cabin (19) is a cylinder-shaped tank body with the upper part and the conical lower part, the pressure cabin (19) is sleeved in a clamping support (23) in a penetrating way, one end of a metal hose I (20) is communicated with the tank body (1), the other end of the metal hose I is communicated with the upper end of the pressure cabin (19), the middle part of the metal hose I (20) is communicated with a pneumatic ball valve (18), the sand blasting device comprises a metal hose II (25), a quick connector body (26), a tension spring (27), a spray gun body (29), a lifting lug (28), a positioning retaining ring (31), a gasket (30) and a U-shaped hook (32), the spray gun body (29) is a metal steel pipe, the outer diameter of the spray gun body is matched with the inner diameter of a drainage port (33) of a sliding mechanism, the quick connector body (26) is arranged at the bottom of the spray gun body (29), one end of the metal hose II (25) is communicated with the bottom of the pressure cabin (19), and the other end of the metal hose II is assembled and connected with the quick connector body (26), annular lifting lugs (28) are symmetrically arranged on the lower portion of a spray gun body (29), each lifting lug (28) is connected with a tension spring (27), two U-shaped hooks (32) are symmetrically arranged on two sides of a water port hole in the bottom of a water port (33) of a sliding mechanism, the pneumatic pressurizing device comprises a safety valve I (5), a T-shaped three-way reversing valve I (6), a pressure reducing valve I (7), a compressed air inlet (8), a compressed air pipeline (9), a pressure reducing valve II (11), a high-pressure nitrogen inlet (10), a nitrogen pipeline (14), a safety valve II (15), a T-shaped three-way reversing valve II (17), a pressure gauge II (16) and a nitrogen bin (13), one end of the compressed air inlet (8) is communicated with the compressed air pipeline, and the other end of the compressed air inlet is respectively communicated with a tank body (1), a pneumatic butterfly valve (3) and a pneumatic ball valve (18) through the compressed air pipeline (9), a safety valve I (5), a T-shaped three-way reversing valve I (6) and a pressure reducing valve I (7) are arranged on a compressed air pipeline (9) between a compressed air inlet (8) and a tank body (1), one end of a high-pressure nitrogen inlet (10) is communicated with a high-pressure nitrogen pipeline air source, the other end of the high-pressure nitrogen inlet is communicated with a nitrogen bin (13) through a nitrogen pipeline (14), a pressure reducing valve II (11) is arranged on the nitrogen pipeline (14) between the high-pressure nitrogen inlet (10) and the nitrogen bin (13), the nitrogen bin (13) is communicated and connected with a pressurizing bin (19) through the compressed nitrogen pipeline (14), a T-shaped three-way reversing valve II (17) is arranged on the nitrogen pipeline (14) between the pressurizing bin (19) and the nitrogen bin (13), and a safety valve II (15) and a pressure gauge II (16) are arranged on the nitrogen bin (13).
2. The ladle sliding gate drain sand bottom pouring filling device as defined in claim 1, wherein the base (21) is provided with an electronic scale (24), and the pressurizing bin (19) is arranged on the electronic scale (24).
3. The ladle sliding gate drain sand bottom injection adding device according to claim 1, characterized in that the middle of the lance body (29) is provided with an annular convex positioning retaining ring (31) and a gasket (30).
4. The ladle sliding gate drain sand bottom pouring filling device as defined in claim 3, wherein the distance between the positioning baffle ring (31) and the top end of the lance body (29) is matched with the length of the drain of the sliding gate.
5. The ladle sliding gate drainage sand bottom casting adding method based on the ladle sliding gate drainage sand bottom casting adding device of any one of claims 1 to 4 is characterized in that the drainage sand bottom casting adding step is as follows:
Figure DEST_PATH_IMAGE002
preparing sand, operating the pneumatic butterfly valve (3), opening a connecting channel between the feeding hopper (2) and the tank body (1), adding drainage sand into the tank body (1) through the feeding hopper (2), operating the pneumatic butterfly valve (3) after confirming that the drainage sand is sufficient, and closing the connecting channel between the feeding hopper (2) and the tank body (1);
Figure DEST_PATH_IMAGE004
injecting compressed air into the tank body (1), opening the pneumatic ball valve (18), allowing drainage sand in the tank body (1) to enter the pressurizing bin (19) from the tank body (1) through the metal hose I (20) and the pneumatic ball valve (18) under the action of pressure, stopping pressurizing the tank body (1) when the weight of the drainage sand in the pressurizing bin (19) reaches a set value, and closing the pneumatic ball valve (18);
Figure DEST_PATH_176369DEST_PATH_IMAGE003
the compressed air in the pressurizing bin (19) is discharged, when the weight of the electronic scale displays the set weight of the added drainage sand, the electromagnetic valve of the T-shaped three-way reversing valve II (17) is powered off to stop pressurizing, and the pressurizing is carried out after reversingThe pressure of the bin is vented;
Figure DEST_PATH_IMAGE006
a hanging sand blasting device is added, the sliding plate of the sliding mechanism drainage port (33) is confirmed to be in an open position, the front end part of the spray gun body (29) is inserted into the sliding mechanism drainage port (33), and after the positioning by the positioning retaining ring (31), two tension springs (37) are respectively hung on two U-shaped hooks (32) after being stretched;
Figure DEST_PATH_IMAGE008
and filling the drainage sand, pressurizing the pressurizing bin (19) through the nitrogen bin (13), rapidly flowing the drainage sand into a ladle nozzle through the metal hose II (25) and the spray gun body (29) under the action of pressure, filling a channel for molten steel flowing out of the ladle with the drainage sand, and stopping pressurizing the pressurizing bin (19) when the electronic scale (24) displays the weight to a set weight value to finish filling the drainage sand.
6. The ladle sliding gate drain sand bottom injection adding method of claim 5, characterized in that when the compressed air is injected into the ladle body (1), the compressed air is 0.2-0.6 MPa.
7. The ladle sliding gate drain sand bottom injection adding method of claim 5, characterized in that when the pressurizing bin (19) is pressurized through the nitrogen bin (13), the nitrogen pressure is 1.2-1.6 MPa.
8. The bottom pouring method of ladle slide gate nozzle drain sand according to claim 5, characterized in that the weight of the poured drain sand is 44-46 kg.
CN202110213775.7A 2021-02-25 2021-02-25 Ladle sliding gate drainage sand bottom injection adding device and method Active CN113042724B (en)

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Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109014167A (en) * 2018-08-27 2018-12-18 承德建龙特殊钢有限公司 The outer guiding method of ladle draining sand and ladle open pouring technique

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0953889A (en) * 1995-08-10 1997-02-25 Sumitomo Metal Ind Ltd Furnace bottom discharge type melting furnace and closing and opening method of discharge opening
KR101149293B1 (en) * 2009-02-25 2012-05-24 현대제철 주식회사 Apparatus and method for throwing Filler into the Nozzle of Laddle
CN202804118U (en) * 2012-05-31 2013-03-20 武汉钢铁(集团)公司 Novel sand inverted pouring and drainage device
CN203197231U (en) * 2013-03-30 2013-09-18 马钢(集团)控股有限公司 Device used for filling steel ladle with sand
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
CN104353823A (en) * 2014-11-29 2015-02-18 山东泰山钢铁集团有限公司 Steel ladle drainage sand lower filling type filling method

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109014167A (en) * 2018-08-27 2018-12-18 承德建龙特殊钢有限公司 The outer guiding method of ladle draining sand and ladle open pouring technique

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