CN111215419A - Fused magnesia fused lump cleaning barrel lifting device and use method - Google Patents
Fused magnesia fused lump cleaning barrel lifting device and use method Download PDFInfo
- Publication number
- CN111215419A CN111215419A CN201811448892.6A CN201811448892A CN111215419A CN 111215419 A CN111215419 A CN 111215419A CN 201811448892 A CN201811448892 A CN 201811448892A CN 111215419 A CN111215419 A CN 111215419A
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- dust removing
- lifting
- fused
- dust
- room
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B15/00—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2/00—Lime, magnesia or dolomite
- C04B2/10—Preheating, burning calcining or cooling
- C04B2/102—Preheating, burning calcining or cooling of magnesia, e.g. dead burning
Abstract
The invention discloses a fused magnesia fused weight cleaning barrel lifting device which comprises a sealed dust removing room, an underfire material output system and a barrel lifting system. The sealed dust removing room comprises a fixed dust removing room built on the ground paved with a track, and two sealing doors and dust removing openings are arranged on the dust removing room; the under-burning material output system comprises an under-burning material hopper arranged at the bottom of the dedusting room, a belt conveyor arranged at the lower part of the hopper, a sealed trench provided with the belt conveyor and a trench dedusting port; the cylinder lifting system comprises a hanging scaffold for lifting the travelling crane, two hooks below the hanging scaffold, and a rigid expansion joint of a multi-layer cylinder structure fixedly arranged between the hanging scaffold and a sealing disc, wherein a sealing pad is fixedly arranged below the sealing disc. The process of melting lump cylinder lifting is in a fully-sealed space, dust can be instantly and completely sucked away, underfired materials are timely removed, and smoke dust is effectively controlled. The invention has the characteristics of small occupied area, simple structure, easy implementation, low manufacturing cost and good dust removal efficiency, and the operating environment meets the environmental protection requirement to achieve the aim of clean production.
Description
Technical Field
The invention relates to the field of electric arc furnace flue gas dust pollution treatment, in particular to a fused magnesia fused weight cleaning barrel lifting device and a using method thereof.
Background
The fused magnesite is prepared by using high-quality natural magnesite or high-purity light-burned magnesium pellets or concentrate powder pellets obtained by flotation and purification of low-grade magnesite as raw materials, heating the raw materials in a three-phase electric arc furnace at about 2800 ℃ for melting, cooling the raw materials to form fused lumps, and crushing and sorting the fused lumps. The common fused magnesia is a good alkaline refractory material, and the large-crystal fused magnesia is an excellent high-temperature electrical insulating material. The electric arc furnace is used for firing the fused magnesia, the furnace shell is welded into a cylindrical structure by steel plates, in order to ensure that the furnace shell cannot be overheated and damaged, the design requires that a raw material with a certain thickness is reserved close to the furnace shell to be used as a heat insulation layer, under the action of high temperature, the raw material in the furnace body reaches a molten state, the temperature of the heat insulation layer is lower to form an underfired material (also called as a back-fired material), and the underfired material is crystallized into a lump and then becomes a powder or lump state. When the furnace shell is removed (also called a cylinder lifting process or a shelling process), the under-burnt materials fall from top to bottom from the periphery of the fused weight, and dust is formed on site to splash and fly to fill the operation space. At present, most factories do not process the smoke dust, the smoke dust is diffused all around and outside the factory building by natural ventilation, so that the environment in the workshop is severe, the smoke dust in the factory area seriously exceeds the standard, and the external ecological environment is polluted; even if some dust removal openings are arranged in a factory building, dust is introduced into the dust remover through the draught fan or the dust removal cover is arranged above the furnace body, the environment in the factory building can be improved to some extent, but the treatment effect is poor, the dust removal efficiency is low, the dust control effect of the dust flying from the lifting cylinder is not ideal enough, and the environmental protection requirement cannot be met. Therefore, the smoke dust treatment in the production of the fused magnesia is an important task required by environmental protection, and especially the important dust pollution source treatment in the fused magnesia fused weight cylinder lifting process is more important.
Disclosure of Invention
The technical problem to be solved by the invention is to provide a fused magnesia fused lump cleaning barrel lifting device and a use method thereof, which can effectively control dust in the fused magnesia fused lump barrel lifting process, and the operation environment meets the environmental protection requirement, thereby achieving the purpose of clean production.
In order to achieve the purpose, the invention adopts the following technical scheme:
a fused magnesia fused lump cleaning barrel lifting device comprises a sealed dust removing room, an under-burnt material output system and a barrel lifting system.
The sealed dust removing room comprises a trolley track, a dust removing room, a sealing door, a dust removing opening, a trolley and a furnace body. The dust removing room is of a square structure and is higher than the height of a furnace shell, the dust removing room is fixed on the ground, a trolley track is laid on the ground in the dust removing room, a trolley is arranged on the track, the furnace shell provided with a melting lump is arranged on the trolley, the furnace shell is provided with a lifting lug, sealing doors are respectively arranged on the wall surfaces perpendicular to the track direction in the dust removing room, and dust removing openings are respectively arranged on the upper portions of the wall surfaces along the track direction in the dust removing room.
Furthermore, the sealing door is of a rolling door structure, the width and the height of the sealing door can ensure that the trolley-mounted furnace shell enters and exits, and sealing strips are inlaid at the door edge and the door gap of the sealing door to ensure sealing in a closed state.
Furthermore, the dust removal port is connected to an air induction port outside the dust removal room through a dust removal pipeline, and the air induction port is connected with a dust remover.
The under-burnt material output system comprises an under-burnt material hopper, a material conveyor and a sealed trench. The under-burning hopper is in a hopper shape, the upper opening of the hopper is connected with the lower edge of the dedusting room and is fixed below the track, the lower part of the hopper is provided with a material conveyor, and the material conveyor is arranged in the sealed trench.
Furthermore, the under-burning hopper can be also provided with a blanking vibrator.
Furthermore, the sealed trench is provided with a dust removal opening at the position outside the dust removal room, and is provided with a dust removal pipeline connected with the dust removal pipeline outside the dust removal room.
The cylinder lifting system comprises a lifting ring, a hanging scaffold, a sealing disc, an expansion joint and a hook. The rings that the driving lifting hook lifted by crane pass through the iron chain and connect the platform sling, the platform sling be circular, open in the middle of having porous and glue and apply ventilative dustproof fabric, be equipped with two couples below the platform sling, the couple position corresponding with the lug of furnace casing, sealed dish be the square, open in the middle of having the round hole that is greater than the furnace casing diameter, seal up at the fixed one deck of lower plane of sealed dish and seal the pad, admittedly be equipped with the telescopic joint between platform sling and sealed dish.
Furthermore, the telescopic joint is a rigid cylinder structure with more than two layers, and the ultimate extension height of the telescopic joint is greater than the height of the furnace shell. The outer lower opening of the telescopic joint is fixed on the sealing disc, the outer upper opening is inwards provided with a folding opening, the inner upper opening of the telescopic joint is fixed below the hanging scaffold, the inner lower opening is outwards provided with a folding opening, a transition layer is arranged between the outer layer and the inner layer of the telescopic joint, the upper opening of each transition layer is provided with an inwards and outwards folding opening, and the lower opening of the transition layer is provided with an outwards folding opening.
A use method of an electric smelting magnesite clinker cleaning extraction barrel comprises the following specific steps:
(1) opening a sealing door, transferring a trolley carrying the fused magnesia fused weight of the barrel to be lifted into a dedusting room through a rail, then lifting a hanging scaffold by a crane lifting hook, moving the trolley together with a telescopic joint and a sealing disc to the position right above the dedusting room, stably descending to enable the sealing disc to be in sealing contact with the upper edge of the dedusting room, continuously descending the hanging scaffold, effectively hanging two hooks below the hanging scaffold into two lifting lugs of a furnace shell, and then closing the sealing door;
(2) starting the material conveyor and starting the external dust remover;
(3) slowly lifting the hanging scaffold to enable the furnace shell to be lifted slowly, sending out the undercured materials falling from the fused lumps through a funnel by a material conveyor, stopping lifting immediately when the furnace shell completely leaves the fused lumps, keeping the sealing disc and the upper edge of the dust removing room in a sealing contact state, standing for a period of time to enable the undercured materials to be output continuously, and sucking away dust in the dust removing room and the sealed trench;
(4) opening a section of sealing door, cleaning residual underfire materials on the fused weight and accumulated on the trolley by using a proper tool, and keeping negative pressure in the dedusting chamber so that dust cannot overflow;
(5) after the underfired materials are all output and the dust in the dust removing room is basically discharged, lifting the hanging scaffold again until the sealing disc leaves the upper edge of the dust removing room, the lower edge of the furnace shell exceeds the upper edge of the dust removing room, moving a traveling crane in a movable manner, moving the lifted lifting cylinder system and the furnace shell together to the position for placing the furnace shell, continuously moving the lifting cylinder system downwards for a certain distance after the furnace shell is moved downwards to the position, completely disengaging two lifting hooks below the hanging scaffold from two lifting lugs on the furnace shell, and lifting the lifting cylinder system again to be placed on the dust removing room;
(6) and (4) opening all the sealing doors, and moving the trolley carrying the fused weight removed from the furnace shell out of the dedusting room along the track to finish the cylinder lifting process.
Compared with the prior art, the invention has the beneficial effects that:
(1) the cylinder lifting process is completed in a fully sealed state, a dust removing port is formed in a dust removing room, a breathable dustproof fabric is arranged on a hanging scaffold, certain negative pressure is formed in the dust removing room during operation, dust in the dust removing room is sucked away at any time, and the dust cannot overflow;
(2) the underfired materials are slowly lifted along with the lifting barrel, the underfired materials are sent out by the material conveyor at any time, no residual materials are accumulated, and dust can be removed in time during the conveying process due to the dust removing port arranged on the trench, so that secondary dust pollution is avoided;
(3) the cylinder lifting system adopts a telescopic structure, so that the height of the device can be reduced, and air can be supplied for dust removal, so that the dust removal efficiency can be improved;
(4) the invention has the characteristics of small occupied area, simple structure, low manufacturing cost, easy implementation and good dust removal efficiency, and can achieve the purposes of clean production and meeting the requirement of environmental protection.
Drawings
Fig. 1 is a front view of the present invention.
FIG. 2 is a front view A cross-sectional top view of the present invention.
FIG. 3 is a top view of the lift cylinder system of the present invention.
In the figure: the device comprises a lifting ring 1, a lifting disk 2, an expansion joint inner layer 3, a hook 4, a sealing gasket 5, a dust removal opening 6, a lifting lug 7, a material conveyor 8, a trench 9, a hopper 10, a rail 11, a trolley 12, a dust removal room 13, a furnace shell 14, an air induction opening 15, a sealing door 16, a sealing disk 17, an expansion joint outer layer 18, a breathable dustproof fabric 19 and a trench dust removal opening.
Detailed Description
The following further describes embodiments of the present invention with reference to the accompanying drawings:
example (b):
a fused magnesia fused mass cleaning barrel lifting device is shown in figures 1, 2 and 3 and comprises a sealed dust removing room, an underfire material output system and a barrel lifting system.
The sealed dust removing room comprises a trolley track 11, a dust removing room 13, a sealing door 16, a dust removing opening 6, a trolley 12 and a furnace shell 14. The dust removing room 13 is of a square structure and is higher than the furnace casing 14, the dust removing room 13 is fixed on the ground, the trolley track 11 is laid on the ground in the dust removing room 13, the trolley 12 is arranged on the track 11, the furnace casing 14 provided with the fused lumps is arranged on the trolley 12, the furnace casing 14 is provided with lifting lugs 7, sealing doors 16 are respectively arranged on the wall surfaces of the dust removing room 13 in the direction perpendicular to the track, and dust removing openings 6 are respectively arranged on the upper portions of the wall surfaces of the dust removing room in the track direction.
The sealing door 16 is of a rolling door structure, the width and the height of the sealing door 16 can ensure that the trolley 12 carries the furnace shell 14 to enter and exit, and sealing strips are embedded at the door edge and the door gap of the sealing door 16 to ensure sealing in a closed state.
The dust removal port 6 is connected to an air induction port 15 outside the dust removal room 13 through a dust removal pipeline, and the air induction port 15 is connected with a dust remover.
The under-burnt material output system comprises an under-burnt material hopper 10, a material conveyor 8 and a sealing trench 9. The under-burnt material hopper 10 is in a hopper shape, the upper opening of the hopper 10 is connected with the lower edge of the dust removing room 13 and is fixed below the track 11, the lower part of the hopper 10 is provided with a material conveyor 8, and the material conveyor 8 is arranged in the sealed trench 9.
The under-burning hopper 10 can also be provided with a blanking vibrator.
The sealed trench 9 is provided with a trench dust removal port 20 at the outer position of the dust removal room 13, and is provided with a dust removal pipeline connected with the dust removal pipeline at the outer part of the dust removal room 13.
The cylinder lifting system comprises a lifting ring 1, a hanging scaffold 2, a sealing disc 17, an expansion joint and a hook 4. Hanging ring 1 that the driving lifting hook lifted by crane connects hanging scaffold 2 through the iron chain, and hanging scaffold 2 is circular, and middle division has the porous and glue and applies ventilative dustproof fabric 19, is equipped with two couples 4 below hanging scaffold 2, 4 positions of couple corresponding with lifting lug 7 of furnace casing 14, sealed dish 17 be the square, middle division has the round hole that is greater than the furnace casing diameter, seals the sealed pad 5 of fixed one deck in sealed lower plane of dish 17, is equipped with the telescopic joint admittedly between hanging scaffold 2 and sealed dish 5.
The telescopic joint is a rigid cylinder structure with more than two layers, and the ultimate extension height of the telescopic joint is greater than the height of the furnace shell 14. The lower opening of the outer layer 18 of the telescopic joint is fixed on the sealing disc 17, the upper opening of the outer layer is inwards provided with a folding opening, the upper opening of the inner layer 3 of the telescopic joint is fixed below the hanging scaffold 2, the lower opening of the inner layer is outwards provided with a folding opening, a transition layer is arranged between the outer layer and the inner layer of the telescopic joint, the upper opening of each transition layer is inwards and outwards provided with a folding opening, and the lower opening of the transition layer is provided with an outwards folding opening.
The use method of the fused magnesia fused weight cleaning barrel lifting device comprises the following specific steps:
(1) opening a sealing door 16, transferring a trolley 12 carrying fused magnesia fused lumps of a barrel to be lifted into a dedusting room 13 through a rail 11, then lifting a hanging scaffold 2 by a crane lifting hook, moving the hanging scaffold 2 together with a telescopic joint and a sealing disc 17 to a position right above the dedusting room 13, stably descending, enabling the sealing disc 71 to be in sealing contact with the upper edge of the dedusting room 13, continuously descending the hanging scaffold 2, effectively hanging two hooks 4 below the hanging scaffold 2 into two lifting lugs 7 of a furnace shell 14, and then closing the sealing door 16;
(2) starting the material conveyor 8 and starting the external dust remover;
(3) slowly lifting the hanging scaffold 2 to slowly lift the furnace shell 14, sending out the undercured materials falling from the fused lumps from the material conveyor 8 through the funnel 10, stopping lifting immediately when the furnace shell 14 completely leaves the fused lumps, keeping the upper edges of the sealing disc 17 and the dedusting room 13 in a sealing contact state, standing for a period of time to continuously output the undercured materials, and sucking away dust in the dedusting room 13 and the sealed trench 9;
(4) opening a section of sealing door 16, cleaning residual underfire materials on the fused weight and accumulated on the trolley 12 by using a proper tool, wherein negative pressure is formed in the dust removing room 13, and dust cannot overflow;
(5) after the underfired materials are all output and the dust in the dust removing room 13 is basically discharged, lifting the hanging scaffold 2 again until the sealing disc 17 is away from the upper edge of the dust removing room 13, the lower edge of the furnace shell 14 exceeds the upper edge of the dust removing room 13, moving a traveling crane in a movable manner, moving the lifted cylinder lifting system and the furnace shell 14 to the position for placing the furnace shell 14, continuously moving the cylinder lifting system downwards for a certain distance after the furnace shell 14 is moved downwards to the position, completely disengaging two hooks 4 below the hanging scaffold 2 from two lifting lugs 7 on the furnace shell 14, and lifting the cylinder lifting system again to be placed on the dust removing room 13;
(6) the sealing door 16 is fully opened and the trolley 12 carrying the fused mass from which the furnace casing 14 has been removed is then moved along the rails out of the dust-removal booth 13. Thus, the cylinder lifting process is completed once.
Finally, it should be noted that the above-mentioned embodiments are only the basic principles of the present invention, and do not limit the present invention in any way. All modifications of the technical solutions of the embodiments of the present invention or all equivalents or partial replacements of the technical features of the present invention are within the scope of the technical protection scheme of the present patent.
Claims (7)
1. A fused magnesia fused mass cleaning barrel lifting device is characterized by comprising a sealed dust removing room, an underfire material output system and a barrel lifting system;
the sealed dust removing room comprises a trolley track (11), a dust removing room (13), a sealing door (16), a dust removing opening (6), a trolley (12) and a furnace shell (14); the dust removing room (13) is of a square structure and is higher than a furnace shell (14), the dust removing room (13) is fixed on the ground, the trolley track (11) is laid on the ground in the dust removing room (13), the trolley (12) is arranged on the track (11), the furnace shell (14) provided with the fused lumps is arranged on the trolley (12), the furnace shell (14) is provided with lifting lugs (7), sealing doors (16) are respectively arranged on wall surfaces of the dust removing room (13) in the direction vertical to the track, and dust removing openings (6) are respectively arranged on the upper parts of the wall surfaces of the dust removing room along the track direction;
the under-burnt material output system comprises an under-burnt material hopper (10), a material conveyor (8) and a sealed trench (9); the under-burning hopper (10) is hopper-shaped, the upper opening of the hopper (10) is connected with the lower edge of the dedusting room (13) and is fixed below the track (11), the lower part of the hopper (10) is provided with a material conveyor (8), and the material conveyor (8) is arranged in the sealed trench (9);
the cylinder lifting system comprises a lifting ring (1), a hanging scaffold (2), a sealing disc (17), an expansion joint and a hook (4); hanging scaffold (2) be circular, the centre is opened and is had porous and glue and apply ventilative dustproof fabric (19), is equipped with two couples (4) below hanging scaffold (2), couple (4) position corresponding with lug (7) of furnace casing (14), sealed dish (17) be the square, the centre is opened and is had the round hole that is greater than the furnace casing diameter, sealed pad (5) of fixed one deck in the lower plane of sealed dish (17), admittedly be equipped with the telescopic joint between hanging scaffold (2) and sealed dish (5).
2. The fused magnesia fused lump cleaning barrel device according to claim 1, wherein the sealing door (16) is of a rolling door structure, the width and height of the sealing door (16) can ensure that the trolley (12) carries the furnace shell (14) to enter and exit, sealing strips are embedded at the door edges and the door seams of the sealing door (16), and sealing is ensured in a closed state.
3. The fused magnesia fused lump cleaning barrel device according to claim 1, wherein the dust removal port (6) is connected to the air induction port (15) outside the dust removal room (13) through a dust removal pipeline, and the air induction port (15) is connected with a dust remover.
4. The fused magnesia fused lump cleaning barrel device according to claim 1, wherein the underfire hopper (10) is further provided with a blanking vibrator.
5. The fused magnesia fused weight cleaning barrel device according to claim 1, wherein the sealed trench (9) is provided with a trench dust removal port (20) at the outer position of the dust removal room (13), and is provided with a dust removal pipeline connected with the dust removal pipeline at the outer part of the dust removal room (13).
6. The fused magnesia lump cleaning barrel device according to claim 1, wherein the telescopic joint is a rigid cylindrical structure with more than two layers, the limit height of the extension of the telescopic joint is greater than the height of the furnace shell (14), the lower opening of the outer layer (18) of the telescopic joint is fixed on the sealing disc (17), the upper opening of the outer layer is internally provided with a folding opening, the upper opening of the inner layer (3) of the telescopic joint is fixed below the hanging disc (2), the lower opening of the inner layer is externally provided with a folding opening, a transition layer is arranged between the outer layer and the inner layer of the telescopic joint, the upper opening of each transition layer is provided with an inward and outward folding opening, and the lower opening of the transition layer is provided with an outward folding opening.
7. The use method of the fused magnesia fused weight cleaning barrel lifting device comprises the following specific steps:
①, opening a sealing door (16), transferring a trolley (12) carrying fused magnesia fused lumps of a barrel to be lifted into a dust removing room (13) through a rail (11), then lifting a hanging plate (2) by a crane lifting hook, moving the trolley together with an expansion joint and the sealing plate (17) to a position right above the dust removing room (13), stably descending to enable the sealing plate (17) to be in sealing contact with the upper edge of the dust removing room (13), continuously descending the hanging plate (2), effectively hanging two hooks (4) below the hanging plate (2) into two lifting lugs (7) of a furnace shell (14), and then closing the sealing door (16);
②, starting the material conveyor (8) and starting an external dust remover;
slowly lifting the hanging scaffold (2) to slowly lift the furnace shell (14), sending the undercured materials falling from the fused lumps out of the material conveyor (8) through the funnel (10), stopping lifting immediately when the furnace shell (14) completely leaves the fused lumps, keeping the sealing disc (17) and the upper edge of the dedusting room (13) in a sealing contact state, standing for a period of time to continuously output the undercured materials, and sucking away dust in the dedusting room (13) and the sealed trench (9);
④ a section of sealing door (16), cleaning residual underfire materials on the fused weight and accumulated on the trolley (12) by using a proper tool, and keeping the interior of the dust removing room (13) at negative pressure so that dust cannot overflow;
after the underfired materials are all output and the dust in the dust removing room (13) is basically discharged, lifting the hanging scaffold (2) until the sealing disc (17) leaves the upper edge of the dust removing room (13), the lower edge of the furnace shell (14) exceeds the upper edge of the dust removing room (13), moving the traveling crane to move the lifted lifting cylinder system and the furnace shell (14) to the position for placing the furnace shell (14), continuously moving the lifting cylinder system for a distance after the furnace shell (14) moves downwards to the position, enabling two hooks (4) below the hanging scaffold (2) to be completely disengaged from two lifting lugs (7) on the furnace shell (14), and lifting the lifting cylinder system to be placed back to the dust removing room (13);
⑥, the sealing door (16) is completely opened, and then the trolley (12) carrying the fused weight removed from the furnace shell (14) is moved out of the dedusting room (13) along the track, so that the cylinder lifting process is completed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811448892.6A CN111215419A (en) | 2018-11-23 | 2018-11-23 | Fused magnesia fused lump cleaning barrel lifting device and use method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811448892.6A CN111215419A (en) | 2018-11-23 | 2018-11-23 | Fused magnesia fused lump cleaning barrel lifting device and use method |
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| Publication Number | Publication Date |
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| CN111215419A true CN111215419A (en) | 2020-06-02 |
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|---|---|---|---|
| CN201811448892.6A Withdrawn CN111215419A (en) | 2018-11-23 | 2018-11-23 | Fused magnesia fused lump cleaning barrel lifting device and use method |
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| CN (1) | CN111215419A (en) |
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| JP2001003111A (en) * | 1999-06-21 | 2001-01-09 | Sankyu Inc | Method for dismantling furnace bottom part in blast furnace |
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| CN204111601U (en) * | 2014-08-18 | 2015-01-21 | 辽宁工业大学 | Melt for electrosmelted magnesite clinker stick together clean and carry cartridge system |
| CN107560444A (en) * | 2017-09-20 | 2018-01-09 | 辽宁东和新材料股份有限公司 | A kind of collection device and method of electric-melting magnesium shelling exhaust gas dust |
| CN207158377U (en) * | 2017-08-01 | 2018-03-30 | 重庆赛迪热工环保工程技术有限公司 | A kind of rubber conveyer individual layer seal groove |
| CN107952785A (en) * | 2017-12-01 | 2018-04-24 | 中冶焦耐(大连)工程技术有限公司 | A kind of electric-melting magnesium returns to the processing unit and method of material |
-
2018
- 2018-11-23 CN CN201811448892.6A patent/CN111215419A/en not_active Withdrawn
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001003111A (en) * | 1999-06-21 | 2001-01-09 | Sankyu Inc | Method for dismantling furnace bottom part in blast furnace |
| CN201849968U (en) * | 2010-11-03 | 2011-06-01 | 杨飞 | Dustless intelligent discharge device |
| CN204111601U (en) * | 2014-08-18 | 2015-01-21 | 辽宁工业大学 | Melt for electrosmelted magnesite clinker stick together clean and carry cartridge system |
| CN207158377U (en) * | 2017-08-01 | 2018-03-30 | 重庆赛迪热工环保工程技术有限公司 | A kind of rubber conveyer individual layer seal groove |
| CN107560444A (en) * | 2017-09-20 | 2018-01-09 | 辽宁东和新材料股份有限公司 | A kind of collection device and method of electric-melting magnesium shelling exhaust gas dust |
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