CN106399625A - High-temperature and high-pressure gas sealing device for steel ladle refining furnace and application method of high-temperature and high-pressure gas sealing device - Google Patents
High-temperature and high-pressure gas sealing device for steel ladle refining furnace and application method of high-temperature and high-pressure gas sealing device Download PDFInfo
- Publication number
- CN106399625A CN106399625A CN201610873689.8A CN201610873689A CN106399625A CN 106399625 A CN106399625 A CN 106399625A CN 201610873689 A CN201610873689 A CN 201610873689A CN 106399625 A CN106399625 A CN 106399625A
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- Prior art keywords
- air chamber
- gas
- refining furnace
- pressure gas
- ladle refining
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
- C21C7/00—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
Abstract
The invention provides a high-temperature and high-pressure gas sealing device for a steel ladle refining furnace and belongs to the field of a steel and iron smelting furnace. The invention also relates to an application method of the high-temperature and high-pressure gas sealing device for the steel ladle refining furnace. In the high-temperature and high-pressure gas sealing device for the steel ladle refining furnace, a passage (2) is arranged in the middle of a gas chamber (1); the upper end of the gas chamber (1) is connected with an upper elephant trunk (3); the lower end of the gas chamber (1) is connected with a lower elephant trunk (4); the gas chamber (1) simultaneously communicates with a gas source via a connecting pipeline (5); and the gas in the gas source is inert gas. The high-temperature and high-pressure gas sealing device for the steel ladle refining furnace and the application method of the high-temperature and high-pressure gas sealing device have the advantages of preventing a conveying belt from being burned by high-temperature and high-pressure gas generated by a steel ladle, guaranteeing normal work of the steel ladle refining furnace, reducing overhauling procedures, also preventing the high-temperature and high-pressure gas and particles containing harmful substances from being discharged to atmosphere, so environment is effectively protected.
Description
Technical field
The invention belongs to smelting iron and steel stove field, more specifically, it is to be related to a kind of ladle refining furnace high temperature and high pressure gas
Plugging device, the invention still further relates to ladle refining furnace high temperature and high pressure gas plugging device using method.
Background technology
In ladle refining furnace (LF stove) for smelting iron and steel, metallurgical raw material is added to using wear-resistant chute and slips by charging system
In ladle below pipe, connect loading hopper above elephant trunk, be belt conveyor above hopper.The ladle refining furnace of said structure uses
In there is following defect：1, in actual production, when adding metallurgical raw material in stopping to ladle, the ladle below elephant trunk
Be in heated by electrodes state, the internal vigorous reaction of ladle, the high temperature and high pressure gas of generation can along elephant trunk adverse current in loading hopper,
And impact the belt conveyor position of loading hopper top position.Belt conveyor is quality of rubber materials, under high temperature and high pressure gas baking
Easily burn, eventually belt conveyor is burnt, cause metallurgical raw material to add and interrupt, equipment cannot work it has to the inspection that stops production
Repair, affect rhythm of production；2, high temperature and high pressure gas are the products of ladle internal metallurgical raw material vigorous reaction, and inside is contained to be had in a large number
Evil gas and particulate matter, are discharged in air and air are caused with severe contamination, affect environment.
Content of the invention
The technical problem to be solved is：For the deficiencies in the prior art, provide a kind of structure simple, Neng Gouyou
Effect prevent the high temperature and high pressure gas that ladle produces from burning belt conveyor it is ensured that whole ladle refining furnace can normal work, will not
Occur shutting down, simultaneously it can be avoided that the high temperature and high pressure gas containing harmful substance and granular material discharged in air, thus effectively
The ladle refining furnace high temperature and high pressure gas plugging device of environmental protection.
Solve the problems, such as techniques discussed above, the technical scheme that the present invention takes is：
The present invention is a kind of ladle refining furnace high temperature and high pressure gas plugging device, described ladle refining furnace HTHP gas
Body plugging device includes air chamber, air chamber middle setting passage, and air chamber upper end is connected with top elephant trunk, air chamber lower end and bottom elephant trunk
Connect, described air chamber is connected with source of the gas by connecting pipe simultaneously, the gas in source of the gas is inert gas.
Described air chamber includes the air chamber outer ring of annular and the air chamber inner ring of annular, and the gentle interior in air chamber outer ring circle forms gas
Chamber body, air chamber outer ring is connected with source of the gas by connecting pipe, and air chamber inner ring arranges multiple and channel connection gas vent.
Between described connecting pipe and source of the gas, vacuum tank is set, needle-valve, connecting pipe are set between source of the gas and vacuum tank
Connected by metal hose with air chamber.
Described air chamber upper end setting air chamber upper flange, air chamber lower end arranges air chamber lower flange, the air chamber upper flange of air chamber
It is connected with top elephant trunk flange, the air chamber lower flange of air chamber is connected with bottom elephant trunk flange, described top elephant trunk top position
Setting loading hopper and belt conveyor, bottom elephant trunk lower position arranges ladle.
Setting regulation loop in the air chamber body of described air chamber, regulation loop is arranged along air chamber outer ring inwall for one week, in cavity
Setting multiple by the regulation loop arranged up and down.
Described gas vent is arranged on the air chamber inner ring of air chamber, and gas vent arranges multiple, multiple gas vent edges
Air chamber inner ring inwall presses gap arrangement for one week.
On described vacuum tank, pressure gauge I is installed, pressure gauge II installed by air chamber, connecting pipe is installed pressure-reducing valve and hand
Dynamic ball valve, vacuum tank is also equipped with monofilament pipe joint.
Described inert gas is nitrogen or argon gas, and inert gas is configured to enter the structure of ladle.
Upper sealing ring, air chamber lower flange and bottom elephant trunk method are set between described air chamber upper flange and top elephant trunk flange
Lower seal is set between orchid.
The invention still further relates to a kind of using method of the described ladle refining furnace high temperature and high pressure gas plugging device of application, steel
The use step of the using method of bag refining furnace high temperature and high pressure gas plugging device is：1) by ladle refining furnace high temperature and high pressure gas
The air chamber of plugging device is arranged between top elephant trunk and bottom elephant trunk；2) stop by loading hopper to ladle in add metallurgical
During raw material, open ladle refining furnace high temperature and high pressure gas plugging device, ladle refining furnace high temperature and high pressure gas plugging device passes through
Air chamber inputs inert gas into ladle.
Using technical scheme, following beneficial effect can be obtained：
Ladle refining furnace high temperature and high pressure gas plugging device of the present invention and its using method, ladle refining furnace works
When, loading hopper constantly adds metallurgical raw material in firm bag, and now ladle refining furnace high temperature and high pressure gas plugging device will not work,
And when needing ladle refining furnace to quit work, no longer in loading hopper is to ladle, now add metallurgical raw material, at this moment, invar bag
Interior generation HTHP pernicious gas, for preventing gas from going out from ladle, and arranges ladle refining furnace high temperature and high pressure gas
Plugging device, after ladle refining furnace quits work, blows out inertia by ladle refining furnace high temperature and high pressure gas plugging device
Gas, this inert gas enters ladle from bottom elephant trunk, thus high temperature and high pressure gas are played with suppression, stops HTHP
Gas, along bottom elephant trunk adverse current, so, can either avoid high temperature and high pressure gas to burn out belt conveyor, will not be to ladle refining furnace
Normal work produce impact, and be capable of the high temperature and high pressure gas of blocking harmful and particulate matter to airborne release, it is to avoid environment
Pollution.Ladle refining furnace high temperature and high pressure gas plugging device of the present invention and its using method, low cost, can be effectively anti-
The high temperature and high pressure gas that only ladle produces burn belt conveyor it is ensured that whole ladle refining furnace can normal work, be not in
Shut down, reduce overhaul process, be avoided that the high temperature and high pressure gas containing harmful substance simultaneously and granular material discharged in air, from
And effective protection environment.
Brief description
To this specification, the mark of the content expressed by each accompanying drawing and in figure makes brief description below：
Fig. 1 is the structural representation of ladle refining furnace high temperature and high pressure gas plugging device of the present invention；
Fig. 2 is the cross section structure diagram in the A-A face of ladle refining furnace high temperature and high pressure gas plugging device described in Fig. 1；
Accompanying drawing acceptance of the bid note is respectively：1st, air chamber；2nd, passage；3rd, top elephant trunk；4th, bottom elephant trunk；5th, connecting pipe；6th, gas
Outdoor coil；7th, air chamber inner ring；8th, air chamber cavity；9th, gas vent；10th, vacuum tank；11st, needle-valve；12nd, metal hose；13rd, air chamber
Upper flange；14th, air chamber lower flange；15th, top elephant trunk flange；16th, bottom elephant trunk flange；17th, regulation loop；18th, pressure gauge I；19、
Pressure gauge II；20th, pressure-reducing valve；21st, manual ball valve；22nd, monofilament pipe joint；23rd, upper sealing ring；24th, lower seal.
Specific embodiment
Below against accompanying drawing, by the description to embodiment, each structure for example involved to the specific embodiment of the present invention
Mutual alignment between the shape of part, construction, each several part and annexation, the effect of each several part and operation principle etc. are made further
Detailed description：
As shown in accompanying drawing 1, accompanying drawing 2, the present invention is a kind of ladle refining furnace high temperature and high pressure gas plugging device, described steel
Bag refining furnace high temperature and high pressure gas plugging device includes air chamber 1, air chamber 1 middle setting passage 2, air chamber 1 upper end and top elephant trunk 3
Connect, air chamber 1 lower end is connected with bottom elephant trunk 4, and described air chamber 1 is connected with source of the gas, in source of the gas by connecting pipe 5 simultaneously
Gas is inert gas.Said structure, during ladle refining furnace work, loading hopper constantly adds metallurgical raw material in firm bag, now
Ladle refining furnace high temperature and high pressure gas plugging device will not work, and when needing ladle refining furnace to quit work, now no longer
Add metallurgical raw material in loading hopper is to ladle, at this moment, produces HTHP pernicious gas in invar bag, for preventing gas from steel
Bag is gone out, and arranges a ladle refining furnace high temperature and high pressure gas plugging device, after ladle refining furnace quits work, that is, passes through
Ladle refining furnace high temperature and high pressure gas plugging device blows out inert gas, and this inert gas enters ladle from bottom elephant trunk, thus
High temperature and high pressure gas are played with suppression, stops that high temperature and high pressure gas, along bottom elephant trunk adverse current, so, can either avoid height
Warm gases at high pressure burn out belt conveyor, will not produce impact to the normal work of ladle refining furnace, and be capable of blocking harmful
High temperature and high pressure gas and particulate matter are to airborne release, it is to avoid environmental pollution.The ladle refining furnace high temperature and high pressure gas envelope of the present invention
Block apparatus, structure is simple, low manufacture cost, can effectively prevent the high temperature and high pressure gas that ladle produces from burning belt conveyor, really
Protect whole ladle refining furnace can normal work, be not in shutdown, reduce overhaul process, be avoided that containing harmful substance simultaneously
High temperature and high pressure gas and granular material discharged in air, thus effective protection environment.
Described air chamber 1 includes the air chamber outer ring 6 of annular and the air chamber inner ring 7 of annular, air chamber outer ring 6 gentle interior circle 7
Form air chamber cavity 8, air chamber outer ring 6 connected with source of the gas by connecting pipe 5, air chamber inner ring 7 is arranged and multiple connects with passage 2
Gas vent 9.Said structure is arranged, and inert gas enters the cavity of air inlet chamber from source of the gas, is then entered logical by gas vent
Road, then enters ladle along bottom elephant trunk, when ladle refining furnace high temperature and high pressure gas plugging device uses, has high pressure all the time
Gas enters ladle, thus stopping the high temperature and high pressure gas adverse current in ladle, thus avoiding belt conveyor to burn out and pernicious gas
Discharge.
Between described connecting pipe 5 and source of the gas, vacuum tank 10 is set, needle-valve 11, pin are set between source of the gas and vacuum tank 10
The setting of valve 11, can be adjusted controlling to the output quantity of inert gas according to the size of different ladle refining furnaces and capacity,
Thus while the high temperature and high pressure gas discharge avoiding in ladle can be reached, by it can be avoided that inert gas conveying excessively causes
Waste, thus being conducive to cost efficiency.Connecting pipe 5 is connected by metal hose 12 with air chamber 1.Achieve air chamber and be connected
Being reliably connected of pipeline.
Described air chamber 1 upper end setting air chamber upper flange 13, air chamber 1 lower end arranges air chamber lower flange 14, the air chamber of air chamber 1
Upper flange 13 is connected with top elephant trunk flange 15, and the air chamber lower flange 14 of air chamber 1 is connected with bottom elephant trunk flange 16, and described is upper
Portion's elephant trunk 3 top position setting loading hopper and belt conveyor, bottom elephant trunk 4 lower position arranges ladle.Said structure, air chamber with
Top elephant trunk and bottom elephant trunk connect reliable it is ensured that connecting reliable when ladle refining furnace high temperature and high pressure gas plugging device works,
Will not loosen.
Setting regulation loop 17 in the air chamber cavity 8 of described air chamber 1, regulation loop 17 is arranged along air chamber outer ring 6 inwall for one week,
In air chamber cavity 8 setting multiple by the regulation loop 17 arranged up and down.The setting of regulation loop, when inert gas enters air chamber cavity
Afterwards, the leading stop to gas, be then uniformly distributed mixing again in whole air chamber so that last from gas vent effluent air
Flow and pressure be stable, improve work quality.
Described gas vent 9 is arranged on the air chamber inner ring 7 of air chamber 1, and gas vent 9 arranges multiple, and multiple gases go out
Mouth 9 presses gap arrangement for one week along air chamber inner ring 7 inwall.Such structure, gas vent uniformly can discharge gas into passage,
Guarantee that gas, even into ladle, improves the stop to pernicious gas.
On described vacuum tank 10, pressure gauge I 18 is installed, pressure gauge II 19 installed by air chamber 1, connecting pipe 5 is installed and subtracts
Pressure valve 20 and manual ball valve 21, vacuum tank 5 is also equipped with monofilament pipe joint 22.
Described inert gas is nitrogen or argon gas, and inert gas is configured to enter the structure of ladle.
Upper sealing ring 23 is set between described air chamber upper flange 13 and top elephant trunk flange 15, air chamber lower flange 14 with
Lower seal 24 is set between portion's elephant trunk flange 16.Upper sealing ring and the setting of lower seal, effectively increase air chamber and top
The sealing connecting between elephant trunk and bottom elephant trunk, it is to avoid gas oozes out.
The present invention also designs a kind of using method of the described ladle refining furnace high temperature and high pressure gas plugging device of application, institute
The use step of the using method of ladle refining furnace high temperature and high pressure gas plugging device stated is：1) ladle refining furnace high temperature is high
The air chamber 1 of body plugging device of calming the anger is arranged between top elephant trunk 3 and bottom elephant trunk 4；2) stopping by loading hopper to ladle
During interior addition metallurgical raw material, open ladle refining furnace high temperature and high pressure gas plugging device, ladle refining furnace high temperature and high pressure gas seal
Block apparatus input inert gas by air chamber 1 into ladle.Ladle refining furnace high temperature and high pressure gas closure dress of the present invention
The using method put, during ladle refining furnace work, loading hopper constantly adds metallurgical raw material in firm bag, and now ladle refining furnace is high
Warm gases at high pressure plugging device will not work, and when needing ladle refining furnace to quit work, now no longer from loading hopper to steel
Add metallurgical raw material in bag, at this moment, produce HTHP pernicious gas in invar bag, for preventing gas from going out from ladle, and set
Put a ladle refining furnace high temperature and high pressure gas plugging device, after ladle refining furnace quits work, that is, pass through ladle refining furnace
High temperature and high pressure gas plugging device blows out inert gas, and this inert gas enters ladle from bottom elephant trunk, thus to HTHP
Gas plays suppression, stops that high temperature and high pressure gas, along bottom elephant trunk adverse current, so, can either avoid high temperature and high pressure gas
Burn out belt conveyor, impact will not be produced on the normal work of ladle refining furnace, and be capable of the HTHP gas of blocking harmful
Body and particulate matter are to airborne release, it is to avoid environmental pollution, thus improve the integral working of ladle refining furnace.
Ladle refining furnace high temperature and high pressure gas plugging device of the present invention and its using method, ladle refining furnace works
When, loading hopper constantly adds metallurgical raw material in firm bag, and now ladle refining furnace high temperature and high pressure gas plugging device will not work,
And when needing ladle refining furnace to quit work, no longer in loading hopper is to ladle, now add metallurgical raw material, at this moment, invar bag
Interior generation HTHP pernicious gas, for preventing gas from going out from ladle, and arranges ladle refining furnace high temperature and high pressure gas
Plugging device, after ladle refining furnace quits work, blows out inertia by ladle refining furnace high temperature and high pressure gas plugging device
Gas, this inert gas enters ladle from bottom elephant trunk, thus high temperature and high pressure gas are played with suppression, stops HTHP
Gas, along bottom elephant trunk adverse current, so, can either avoid high temperature and high pressure gas to burn out belt conveyor, will not be to ladle refining furnace
Normal work produce impact, and be capable of the high temperature and high pressure gas of blocking harmful and particulate matter to airborne release, it is to avoid environment
Pollution.Ladle refining furnace high temperature and high pressure gas plugging device of the present invention and its using method, low cost, can be effectively anti-
The high temperature and high pressure gas that only ladle produces burn belt conveyor it is ensured that whole ladle refining furnace can normal work, be not in
Shut down, reduce overhaul process, be avoided that the high temperature and high pressure gas containing harmful substance simultaneously and granular material discharged in air, from
And effective protection environment.
Above in conjunction with accompanying drawing, exemplary description has been carried out to the present invention it is clear that concrete implementation of the present invention be not subject to above-mentioned
The restriction of mode, as long as employing method of the present invention design and the various improvement that carry out of technical scheme, or not improved incite somebody to action this
The design of invention and technical scheme directly apply to other occasions, all within the scope of the present invention.
Claims (10)
1. a kind of ladle refining furnace high temperature and high pressure gas plugging device it is characterised in that：Described ladle refining furnace HTHP
Gas plugging device includes air chamber (1), air chamber (1) middle setting passage (2), and air chamber (1) upper end is connected with top elephant trunk (3),
Air chamber (1) lower end is connected with bottom elephant trunk (4), and described air chamber (1) is connected with source of the gas by connecting pipe (5) simultaneously, source of the gas
Interior gas is inert gas.
2. ladle refining furnace high temperature and high pressure gas plugging device according to claim 1 it is characterised in that：Described air chamber
(1) the air chamber outer ring (6) of annular and the air chamber inner ring (7) of annular are included, air chamber outer ring (6) gentle interior circle (7) form air chamber
Cavity (8), air chamber outer ring (6) are connected with source of the gas by connecting pipe (5), and the upper setting of air chamber inner ring (7) is multiple with passage (2) even
Logical gas vent (9).
3. ladle refining furnace high temperature and high pressure gas plugging device according to claim 1 it is characterised in that：Described connection
Pipeline (5) arranges vacuum tank (10) and source of the gas between, setting needle-valve (11), connecting pipe (5) between source of the gas and vacuum tank (10)
Connected by metal hose (12) with air chamber (1).
4. ladle refining furnace high temperature and high pressure gas plugging device according to claim 1 it is characterised in that：Described air chamber
(1) upper end setting air chamber upper flange (13), air chamber (1) lower end setting air chamber lower flange (14), the air chamber upper flange of air chamber (1)
(13) it is connected with top elephant trunk flange (15), the air chamber lower flange (14) of air chamber (1) is connected with bottom elephant trunk flange (16), described
Top elephant trunk (3) top position setting loading hopper and belt conveyor, bottom elephant trunk (4) lower position arranges ladle.
5. ladle refining furnace high temperature and high pressure gas plugging device according to claim 2 it is characterised in that：Described air chamber
(1) setting regulation loop (17) in air chamber cavity (8), regulation loop (17) is along one week arrangement of air chamber outer ring (6) inwall, cavity (8)
Interior setting multiple by the regulation loop arranged up and down (17).
6. ladle refining furnace high temperature and high pressure gas plugging device according to claim 1 it is characterised in that：Described gas
Outlet (9) is arranged on the air chamber inner ring (7) of air chamber (1), and gas vent (9) setting is multiple, and multiple gas vents (9) are along air chamber
Inner ring (7) inwall presses gap arrangement for one week.
7. ladle refining furnace high temperature and high pressure gas plugging device according to claim 1 it is characterised in that：Described voltage stabilizing
Tank (10) is upper to install pressure gauge I (18), and air chamber (1) is upper to install pressure gauge II (19), and connecting pipe (5) is upper to install pressure-reducing valve (20)
With manual ball valve (21), vacuum tank (5) is also equipped with monofilament pipe joint (22).
8. ladle refining furnace high temperature and high pressure gas plugging device according to claim 1 it is characterised in that：Described inertia
Gas is nitrogen or argon gas, and inert gas is configured to enter the structure of ladle.
9. ladle refining furnace high temperature and high pressure gas plugging device according to claim 4 it is characterised in that：Described air chamber
Upper sealing ring (23), air chamber lower flange (14) and bottom elephant trunk flange are set between upper flange (13) and top elephant trunk flange (15)
(16) setting lower seal (24) between.
10. ladle refining furnace high temperature and high pressure gas envelope described in claim 9 any claim for a kind of application claim 1
The using method of block apparatus it is characterised in that：The described using method of ladle refining furnace high temperature and high pressure gas plugging device
Using step it is：1) air chamber (1) of ladle refining furnace high temperature and high pressure gas plugging device is arranged on top elephant trunk (3) and bottom
Between elephant trunk (4)；2) stop by loading hopper to ladle in add metallurgical raw material when, open ladle refining furnace HTHP gas
Body plugging device, ladle refining furnace high temperature and high pressure gas plugging device inputs inert gas by air chamber (1) into ladle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610873689.8A CN106399625A (en) | 2016-09-30 | 2016-09-30 | High-temperature and high-pressure gas sealing device for steel ladle refining furnace and application method of high-temperature and high-pressure gas sealing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610873689.8A CN106399625A (en) | 2016-09-30 | 2016-09-30 | High-temperature and high-pressure gas sealing device for steel ladle refining furnace and application method of high-temperature and high-pressure gas sealing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106399625A true CN106399625A (en) | 2017-02-15 |
Family
ID=59228093
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610873689.8A Pending CN106399625A (en) | 2016-09-30 | 2016-09-30 | High-temperature and high-pressure gas sealing device for steel ladle refining furnace and application method of high-temperature and high-pressure gas sealing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106399625A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109028966A (en) * | 2018-09-11 | 2018-12-18 | 芜湖新兴铸管有限责任公司 | A kind of refining furnace blanking protective device |
| CN109676120A (en) * | 2019-01-25 | 2019-04-26 | 王康 | A kind of steel-making packet |
| CN112390498A (en) * | 2019-08-16 | 2021-02-23 | 上海城投污水处理有限公司 | Sludge fluidized bed drying system adopting air-sealed sludge feeding distributor |
| CN114672612A (en) * | 2022-03-17 | 2022-06-28 | 河南科技大学 | Device is washed with slag to hot working |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6013014A (en) * | 1983-06-30 | 1985-01-23 | Ishikawajima Harima Heavy Ind Co Ltd | Ladle refining device |
| CN204714851U (en) * | 2015-06-16 | 2015-10-21 | 河北钢铁股份有限公司承德分公司 | A kind of LF Water-cooling furnace cover of ladle refining furnace charge cavity gas blow pipe |
| CN204918656U (en) * | 2015-08-27 | 2015-12-30 | 中冶南方工程技术有限公司 | Reinforced elephant trunk nitrogen encapsulation of LF stove is put |
| CN205066440U (en) * | 2015-10-13 | 2016-03-02 | 巴彦淖尔市飞尚铜业有限公司 | Molten bath smelting furnace charge door atmoseal device |
-
2016
- 2016-09-30 CN CN201610873689.8A patent/CN106399625A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6013014A (en) * | 1983-06-30 | 1985-01-23 | Ishikawajima Harima Heavy Ind Co Ltd | Ladle refining device |
| CN204714851U (en) * | 2015-06-16 | 2015-10-21 | 河北钢铁股份有限公司承德分公司 | A kind of LF Water-cooling furnace cover of ladle refining furnace charge cavity gas blow pipe |
| CN204918656U (en) * | 2015-08-27 | 2015-12-30 | 中冶南方工程技术有限公司 | Reinforced elephant trunk nitrogen encapsulation of LF stove is put |
| CN205066440U (en) * | 2015-10-13 | 2016-03-02 | 巴彦淖尔市飞尚铜业有限公司 | Molten bath smelting furnace charge door atmoseal device |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109028966A (en) * | 2018-09-11 | 2018-12-18 | 芜湖新兴铸管有限责任公司 | A kind of refining furnace blanking protective device |
| CN109676120A (en) * | 2019-01-25 | 2019-04-26 | 王康 | A kind of steel-making packet |
| CN109676120B (en) * | 2019-01-25 | 2020-11-06 | 湖北鄂钢扬子重型机械制造有限公司 | Steelmaking package |
| CN112390498A (en) * | 2019-08-16 | 2021-02-23 | 上海城投污水处理有限公司 | Sludge fluidized bed drying system adopting air-sealed sludge feeding distributor |
| CN114672612A (en) * | 2022-03-17 | 2022-06-28 | 河南科技大学 | Device is washed with slag to hot working |
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Address after: 243003 Department of intellectual property right of Hunan West Road No. 8 technology center, Ma'anshan City, Anhui Province Applicant after: Ma'anshan Iron and Steel Co., Ltd. Address before: 243003 Hunan Anhui West Road, No. 8 technology center, Intellectual Property Department Applicant before: Ma'anshan Iron and Steel Co., Ltd. |
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Address after: 243003 8 Jiuhua Road, Yushan, Ma'anshan, Anhui Applicant after: Ma'anshan Iron and Steel Co., Ltd. Address before: 243003 intellectual property department, technology center, No. 8 Hunan West Road, Yushan, Ma'anshan, Anhui Applicant before: Ma'anshan Iron and Steel Co., Ltd. |
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Application publication date: 20170215 |