CN104350164A - Continuous curing or drying installation for sheet metal strip - Google Patents
Continuous curing or drying installation for sheet metal strip Download PDFInfo
- Publication number
- CN104350164A CN104350164A CN201380028203.5A CN201380028203A CN104350164A CN 104350164 A CN104350164 A CN 104350164A CN 201380028203 A CN201380028203 A CN 201380028203A CN 104350164 A CN104350164 A CN 104350164A
- Authority
- CN
- China
- Prior art keywords
- air
- laths
- metal
- cooling chamber
- fan
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
- B05D3/04—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by exposure to gases
- B05D3/0406—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by exposure to gases the gas being air
- B05D3/0426—Cooling with air
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/74—Methods of treatment in inert gas, controlled atmosphere, vacuum or pulverulent material
- C21D1/767—Methods of treatment in inert gas, controlled atmosphere, vacuum or pulverulent material with forced gas circulation; Reheating thereof
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/52—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for wires; for strips ; for rods of unlimited length
- C21D9/54—Furnaces for treating strips or wire
- C21D9/56—Continuous furnaces for strip or wire
- C21D9/573—Continuous furnaces for strip or wire with cooling
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B13/00—Machines and apparatus for drying fabrics, fibres, yarns, or other materials in long lengths, with progressive movement
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B9/00—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity
- F27B9/28—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity for treating continuous lengths of work
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D2252/00—Sheets
- B05D2252/02—Sheets of indefinite length
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
- B05D3/02—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by baking
- B05D3/0254—After-treatment
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
- B05D7/14—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials to metal, e.g. car bodies
Abstract
The invention discloses a continuous curing or drying installation for a coated sheet metal strip. The installation comprises a continuous curing or drying oven, and a cooling system downstream thereof. The cooling system comprises a number of consecutive cooling chambers along the direction of movement of the sheet metal strip. The cooling system comprises at least one fan. At least one of the fans is used for extracting air from in one cooling chamber, preferably from at the sheet metal strip, and for blowing the extracted air back onto the sheet metal strip in another cooling chamber than where the air has been extracted.
Description
Technical field
The present invention relates to the process field of laths of metal, particularly successive drying or curing oven (having the cooling system of the laths of metal for the treatment of coating subsequently).Invention describes the continuous solidification for laths of metal or drying plant, comprising cooling system, the present invention also describes the method for operating such devices.The example of application is in the production process of grain-oriented electric steel, in the production process of the electric steel of non grain orientation and in the process of producing coil coated metallic plate bar (by such as steel or aluminium manufacture).
Background technology
Can solidify continuously or metallizing lath in drying plant.After the one-sided of laths of metal or two-sided coatings, coating is being solidified or solidification or dry in drying plant continuously.After drying or curing oven before coiling or coiled metal lath, laths of metal needs to carry out on-line cooling.
Cooled by the cooling air in the cooling system being installed on solidification or drying oven downstream continuously.In the scope of specific prior art cooling systems, the length along cooling system provides multiple continuous print cooling chamber.Laths of metal is continually by each cooling chamber.Each cooling chamber has: fan, for be drawn to by air from laths of metal outside cooling chamber and to discharge this air; And another fan, this fan is mounted for being blown by fresh cooling air on the laths of metal in this specific cooling chamber.Such cooling system realizes high efficiency cooling.
But, the equipment (particularly cooling system) of prior art has multiple defect.
Summary of the invention
The first object of the present invention is to provide continuous solidification or the drying plant of improvement, and this solidifies continuously or drying plant solves the defect of prior art systems.
According to a first aspect of the invention, a kind of continuous solidification or drying plant of the laths of metal for applying is provided.This equipment comprises continuously solidification or drying oven and the cooling system in its downstream.Cooling system comprises the multiple continuous coo1ing chambers along laths of metal direction of motion.Cooling system comprises at least one fan.At least one in this at least one fan for extracting air from a cooling chamber (preferably from laths of metal), and for extracted air being blown back to the laths of metal in another cooling chamber (this another cooling chamber is different from the cooling chamber extracting air).Preferably, identical fans is used for extracting air (preferably from laths of metal) from a cooling chamber, and for extracted air being blown back to the laths of metal in another cooling chamber (this another cooling chamber is different from the cooling chamber extracting air).Preferably, equipment comprises online coating station, and for the one-sided of laths of metal or two-sided coatings, therefore, solidification or drying oven are for the coating of solidifying and/or drying applies in coating station continuously.
Preferably, cooling system is arranged to like this, that is, make cooling air can blow from the both sides of laths of metal.Preferably, when for from laths of metal extracting air with when being connected with the both sides of laths of metal for fan air blown back to laths of metal (cooling it), both sides are all cooled by the air extracted from this laths of metal.
The laths of metal of level run and the laths of metal for vertically running can be arranged to output according to cooling system of the present invention.
Advantage of the present invention obtains the high efficiency cooling of laths of metal, and increase, because this reducing the free water in coating that is dry and that solidify due to the temperature of the air extracted when being blown back to laths of metal by extracted air.Free water may have disadvantageous effect to the quality of metallizing lath.It is crucial especially this applies magnesium oxide coating in the production process of grain-oriented electric steel.Therefore, the present invention can the laths of metal that better applies of the quality of production.
Preferably, fan is for blowing back extracted air to laths of metal by series of spray nozzles.
In a preferred embodiment, mounting filter, for filtering the air extracted from laths of metal by fan.Can filter before air blows back to laths of metal by fan.The advantage of this embodiment is, prevents dust (such as from coating, such as, from comprising magnesian coating) from blowing back on laths of metal.
Multiple fan can be used in cooling system.Preferably, the structure with strainer or filter system is provided, for the air extracted from the initial cooling chamber (such as in the first cooling chamber) of cooling system, this strainer or filter system filtered the air extracted before extracted air blows back to laths of metal.This is advantageous particularly when coating may fall free dust, such as, when coating comprises magnesium oxide (in grain orientation electricity steel).Filter system is considered and is discharged dust and can not blow back on laths of metal.
In a preferred embodiment, fan is for blowing air mixture to laths of metal.Mixture comprises by fan from the laths of metal air extracted and the ambient air newly obtained.The air being meant to obtain from buildings (production line is arranged on this buildings) inside of ambient air or the air obtained from outside.Preferably, the new amount of ambient air of acquisition and the amount of the air of extraction can be controlled by appropriate device, such as, to be arranged through fan and to blow the temperature to the air on laths of metal.
The advantage of this embodiment is, when the air extracted from the metal strip of coating may comprise the dust from coating, and can the dust levels of controlled cooling model air.
Another advantage is can the temperature of controlled cooling model air, and this can be used in the moisture content of the coating reducing laths of metal.
Like this, the quality of coating can improve.This is such as when the coating on laths of metal is extremely important when comprising magnesian coating (such as grain orientation electricity steel (GOES)).
In a preferred embodiment, fan is driven by the driving mechanism of frequency control.
In a preferred embodiment, fan is for blowing back to the laths of metal in cooling chamber by the air of extraction, and this cooling chamber produces in process in the upstream of the cooling chamber of fan scrubs air at laths of metal.By absorbing heat from laths of metal, the air of extraction is in the temperature higher than ambient air.When the air extracted blows back to laths of metal, it is in than the temperature higher when " fresh " ambient air is blown to laths of metal.In another preferred embodiment, the effect that temperature increases is controlled, for the cooling power of Controlled cooling system, particularly when target temperature is lower.May be such situation especially in the final section of cooling system.Therefore, preferably use such cooling system, wherein, air blows on the laths of metal of the upstream of the process at fan scrubs air by fan.
Alternatively, fan can be used in being blown by the air of extraction on the laths of metal in cooling chamber, and this cooling chamber produces in process in the downstream of the cooling chamber of fan scrubs air at laths of metal.The advantage of this embodiment is the free water prevented better in the coating, and this comprising in magnesian coating on grain-oriented electric steel is very important.
In another embodiment, provide other fan, this other fan is from laths of metal extracting air, and the air of this other fan extracting will be discharged, and does not blow back on laths of metal.Preferably, for being arranged in from laths of metal extracting air and this fan for being discharged by this air the ingress that laths of metal enters cooling system.This embodiment ensures that dust (such as from coating) is expelled to production process from coating in an efficient way.
In another embodiment, provide extra fan, for blowing fresh ambient air (it is meant to, and this air is not extracted from laths of metal by fan, but obtains from interior of building or outside) to laths of metal.Very favourable when being arranged in exit (such as in the end cooling chamber in) of cooling system for the additional fan (or multiple additional fan) fresh ambient air be blown in cooling chamber.This embodiment ensures to increase cooling efficiency.
When the additional fan for blowing fresh cooling air be arranged at enter (such as in the first cooling chamber) in the cooling chamber of the ingress of cooling system at laths of metal time, be particularly conducive to raising cooling efficiency.When extra fan is installed in a cooling system only for fresh ambient air being blown to laths of metal, preferably other fan is also installed, its for from laths of metal extracting air (this fan not by their extract air blow back to laths of metal).
In one embodiment, cooling system comprises at least four continuous coo1ing chambers.Fan is for blowing fresh cooling air to the laths of metal in last cooling chamber.Fan is used for from the inner extracting air of the first cooling chamber and exhausted air.Preferably, fan is used for extracting cooling air from last cooling chamber, and it is blown to be not last cooling chamber cooling chamber in.
In an embodiment of the present invention, provide at least three fans, for extracting air (each fan extracts from different cooling chamber) and for being blown back by air in another cooling chamber (different from the cooling chamber extracting air).
In a preferred embodiment, cooling system comprises the fan for extracting air from a cooling chamber, this fan is arranged to for being blown in another cooling chamber by the air extracted by it, and be provided with by-pass channel, so that exhausted air (instead of it is blown in another cooling chamber).The advantage of this embodiment to form cooling system flexibly.When (or multiple) fan has such by-pass channel, (or multiple) cooling chamber can be closed.
According to a second aspect of the invention, a kind of claimed method, solidifies continuously for utilizing the equipment described in first aspect present invention or the dry laths of metal applied.
In a preferred embodiment, laths of metal enters cooling system and (is preferably between 120 DEG C and 250 DEG C, is more preferably between 120 DEG C and 180 DEG C, for grain-oriented electric steel at the temperature more than 100 DEG C; Or such as between 160 DEG C to 300 DEG C, for the electric steel of non grain orientation or in coil coating), and preferably lower than 250 DEG C.
Preferably, laths of metal is cooled to the temperature lower than 90 DEG C by cooling system, be preferably cooled to the temperature between 40 DEG C and 90 DEG C, is even more preferably the temperature be cooled between 65 DEG C and 80 DEG C.
Preferably, laths of metal is coiled after being cooled by cooling system.
The method of the continuous solidification of a first aspect of the present invention or drying plant and second aspect present invention can be advantageously used in the laths of metal (after coating) of the grain-oriented electric steel (GOES) of process, the laths of metal of electric steel (NGOES) of non grain orientation or such as steel or aluminium.Coating can be comprise magnesian coating, such as, use in the production of GOES.Coating can also be based on water or the lacquering based on solvent, such as, use in coil coated metallic plate bar, such as steel or aluminium.The bandpass of handled laths of metal is between 0.75 meter and 1.60 meters.Common linear velocity is in the scope of 80-120 rice per minute.
Accompanying drawing explanation
Fig. 1 illustrates continuous solidification according to a first aspect of the present invention or drying plant.
Fig. 2 illustrates embodiments of the invention, wherein, filters the air extracted from laths of metal.
Fig. 3 illustrates embodiments of the invention, and wherein, fresh ambient ambient air and the mixture from the air of laths of metal extraction blow to laths of metal to cool it.
Embodiment
Fig. 1 illustrates according to continuous solidification of the present invention or drying plant.Such as solidifying continuously by suitable coating station or in drying plant, laths of metal 110 applied.Coating is dry and/or solidification in continuous oven 120.The meaning of continuous oven refers to that laths of metal runs through described stove, and coating carries out drying and/or solidification in this process.Continuous oven can be stove arbitrarily as known in the art, such as hot-air furnace or infrared heating heating furnace, and this infrared heating heating furnace comprises RF transmitter (RF transmitter of such as gas igniting), as known in the art.
The cooling system of example comprises 5 continuous coo1ing chambers 131,132,133,134,135.In last cooling chamber 135, fan 140 obtains fresh ambient air, and it is blown on laths of metal 110 by nozzle (not shown).Four fans 145 extracting air from laths of metal 110 and in four last cooling chamber 132,133,134,135, and the air of extraction is blown on the laths of metal 110 in cooling chamber 131,132,133,134 (this cooling chamber 131,132,133,134 is before the cooling chamber extracting cooling air) each via nozzle (not shown).In the first cooling chamber 131, provided with fan 147, it also discharges the air extracted from laths of metal 110 extracting air.
In the exit of cooling system, laths of metal 110 can reel in coiling station 190.
Preferably, carry out cooling (Fig. 1 merely illustrates the cooling in side) from the both sides of laths of metal.Fan can be arranged on the both sides of laths of metal.Alternatively, the fan being arranged on laths of metal side can by suitable conduit or pipeline from the both sides extracting air of the laths of metal a cooling chamber, and air blows back to laths of metal by the both sides of laths of metal in another cooling chamber.
Fig. 2 illustrates the details of embodiments of the invention.By cover 220 from surface extracting air 205 from the first cooling chamber 207 of laths of metal 210.This air is carried by pipeline 225, and is conducted through strainer 230.Strainer has the function except dust from air, the dust such as produced by the coating be applied on laths of metal 210.Fan 240 realize air 205 extraction and make this air by another pipeline 235 by cover 240 by nozzle 250 blow in the second cooling chamber 209 (downstream in the cooling chamber extracting air) laths of metal on.
Fig. 3 illustrates optional embodiment of the present invention.By cover 320 from surface extracting air 305 from the first cooling chamber 307 of laths of metal 310.This air is carried by pipeline 325.Obtain fresh ambient air 315 (inside or outside from buildings) and mix with the air 305 extracted.Air mixture is carried by pipeline 335 by the effect of fan 340.Air mixture 337 is blown on the laths of metal 310 in the second cooling chamber 309 by cover 340 and nozzle 350.
The present invention has demonstrated the quality of the laths of metal that improve coating.Application of the present invention decreases the free water in coating that is dry and that solidify.By reducing dust in the coating, multiple embodiment of the present invention has showed the coating quality of further raising.
Multi-instance and embodiment are described.Without departing from the present invention, the element from Multi-instance and/or embodiment can combine.
Claims (14)
1., for the continuous solidification of laths of metal that applies or a drying plant, comprise solidification continuously or drying oven and the cooling system in this solidification or drying oven downstream continuously,
Wherein, described cooling system comprises the multiple continuous coo1ing chambers along laths of metal direction of motion;
Wherein, described cooling system comprises at least one fan;
Wherein, at least one at least one fan described for extracting air from a cooling chamber, and for the air of extraction is blown back to the laths of metal in another cooling chamber different from the cooling chamber extracting air.
2. solidification according to claim 1 or drying plant, wherein: at least one at least one fan described is for blowing back the air of described extraction to described laths of metal by series of spray nozzles.
3. the solidification according to aforementioned any one claim or drying plant, wherein: strainer is provided, described strainer is installed, to filter the air extracted from described laths of metal by described fan, and carried out described filtration before described air blows to described laths of metal by described fan.
4. the solidification according to aforementioned any one claim or drying plant, wherein: described fan is for blowing the mixture of the air of described extraction and the new ambient air obtained to described laths of metal, to cool described laths of metal.
5. the solidification according to aforementioned any one claim or drying plant, wherein: described fan is driven by the driving mechanism of frequency control.
6. the solidification according to aforementioned any one claim or drying plant, wherein: described fan is for blowing back to the described laths of metal in cooling chamber by described air, this cooling chamber is the downstream of the cooling chamber of air described in described fan extracting in a cooling system.
7. according to the continuous solidification in claim 1-5 described in any one or drying plant, wherein: described fan is for blowing back to the described laths of metal in cooling chamber by described air, this cooling chamber is the upstream of the cooling chamber of air described in described fan extracting in a cooling system.
8. the solidification according to aforementioned any one claim or drying plant, wherein:
Cooling system comprises at least four continuous coo1ing chambers;
One fan is for blowing to the laths of metal in last cooling chamber by fresh cooling air;
Inner in the first cooling chamber, a fan is provided for extracting and exhausted air.
9. continuous solidification according to claim 8 or drying plant, wherein: fan be used for from last cooling chamber, extract cooling air and it is blown into be different from last cooling chamber cooling chamber in.
10. the solidification according to aforementioned any one claim or drying plant, wherein: at least three fans are used for extracting air from different cooling chamber separately, and for it being blown back to another cooling chamber different from the cooling chamber extracting air.
11. solidifications according to aforementioned any one claim or drying plant, wherein: a fan is used for from cooling chamber's extracting air, and for the air by described fan extracting is blown in another cooling chamber, and described fan is provided with by-pass channel, air is discharged, instead of air is blown in another cooling chamber described.
12. 1 kinds for using the equipment as described in aforementioned any one claim to solidify continuously or the method for laths of metal of dry coating.
13. methods according to claim 11 or 12, wherein:
Laths of metal enters cooling system in the temperature more than 100 DEG C.
14. according to the method in claim 11-13 described in any one, wherein: the temperature that laths of metal is cooled to lower than 90 DEG C by described cooling system.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP12290177 | 2012-05-30 | ||
| EP12290177.0 | 2012-05-30 | ||
| PCT/EP2013/060063 WO2013178470A1 (en) | 2012-05-30 | 2013-05-15 | Continuous curing or drying installation for sheet metal strip |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104350164A true CN104350164A (en) | 2015-02-11 |
Family
ID=48463991
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201380028203.5A Pending CN104350164A (en) | 2012-05-30 | 2013-05-15 | Continuous curing or drying installation for sheet metal strip |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP2855716B1 (en) |
| CN (1) | CN104350164A (en) |
| WO (1) | WO2013178470A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106288797A (en) * | 2015-05-27 | 2017-01-04 | 江苏图博可特曙光涂层有限公司 | The conjuncted continuous oven of improved structure |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107462032B (en) * | 2017-08-15 | 2019-08-27 | 湖南年年红农业科技发展有限公司 | A kind of compound rice |
| WO2022053847A1 (en) * | 2020-09-08 | 2022-03-17 | Arcelormittal | Filtration system |
| CN114198980B (en) * | 2021-12-10 | 2023-07-18 | 威銤(苏州)智能科技有限公司 | Tray cooling device |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1181029A (en) * | 1995-04-12 | 1998-05-06 | 美国铝公司 | Method and apparatus for coating a metal strip and the product thereof |
| DE19849757A1 (en) * | 1998-10-28 | 2000-05-04 | Vinz Peter | Continuously operated roller hearth furnace with downstream forced-convective annealing cooling |
| CN202181353U (en) * | 2011-07-29 | 2012-04-04 | 深圳华美板材有限公司 | Passivating device for galvanized plate |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4299036A (en) * | 1979-06-08 | 1981-11-10 | Midland-Ross Corporation | Oven with a mechanism for cascading heated gas successively through separate isolated chambers of the oven |
| JPH0759753B2 (en) * | 1986-07-31 | 1995-06-28 | 川崎製鉄株式会社 | Insulation coating method for electrical steel sheet |
| BR9804782A (en) * | 1997-03-14 | 1999-08-17 | Nippon Steel Corp | Heat treatment device for conducting heat treatment on steel strip by gas jet blast |
-
2013
- 2013-05-15 EP EP13723491.0A patent/EP2855716B1/en active Active
- 2013-05-15 CN CN201380028203.5A patent/CN104350164A/en active Pending
- 2013-05-15 WO PCT/EP2013/060063 patent/WO2013178470A1/en active Application Filing
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1181029A (en) * | 1995-04-12 | 1998-05-06 | 美国铝公司 | Method and apparatus for coating a metal strip and the product thereof |
| DE19849757A1 (en) * | 1998-10-28 | 2000-05-04 | Vinz Peter | Continuously operated roller hearth furnace with downstream forced-convective annealing cooling |
| CN202181353U (en) * | 2011-07-29 | 2012-04-04 | 深圳华美板材有限公司 | Passivating device for galvanized plate |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106288797A (en) * | 2015-05-27 | 2017-01-04 | 江苏图博可特曙光涂层有限公司 | The conjuncted continuous oven of improved structure |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2013178470A1 (en) | 2013-12-05 |
| EP2855716B1 (en) | 2019-10-16 |
| EP2855716A1 (en) | 2015-04-08 |
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Application publication date: 20150211 |
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