CN105522007A - Degreasing-free on-line water removal device for wet temper-rolling of metal plate strips - Google Patents
Degreasing-free on-line water removal device for wet temper-rolling of metal plate strips Download PDFInfo
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- CN105522007A CN105522007A CN201610045404.1A CN201610045404A CN105522007A CN 105522007 A CN105522007 A CN 105522007A CN 201610045404 A CN201610045404 A CN 201610045404A CN 105522007 A CN105522007 A CN 105522007A
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- branch
- blowing mechanism
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- edge
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B45/00—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
- B21B45/02—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills for lubricating, cooling, or cleaning
- B21B45/0269—Cleaning
- B21B45/0275—Cleaning devices
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B27/00—Rolls, roll alloys or roll fabrication; Lubricating, cooling or heating rolls while in use
- B21B27/06—Lubricating, cooling or heating rolls
- B21B27/10—Lubricating, cooling or heating rolls externally
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Drying Of Solid Materials (AREA)
Abstract
The invention discloses a degreasing-free on-line water removal device for wet temper-rolling of metal plate strips. The plate strips are rolled to be flat through a roller. The on-line water removal device comprises a uniform tempering lubricant spraying mechanism (20), one or more blowing mechanisms (30) and one or more hot air drying mechanisms (40), wherein the uniform tempering lubricant spraying mechanism (20) is arranged on one or more sides of the metal plate strips at the upstream position of the roller, the blowing mechanisms (30) are arranged on one or more sides of the metal plate strips at the downstream position of the roller, and the hot air drying mechanisms (40) are arranged at the downstream positions of the blowing mechanisms (30). According to the on-line water removal device for wet temper-rolling, metal steel belts do not need to be treated on a degreasing line and can be directly drawn and straightened without being degreased, the plate surfaces are clean, chromatic aberration and pits are avoided, and the roller consumption is lowered.
Description
Technical field
The present invention relates to metal plate and belt processing technique field, be specifically related to a kind of metal plate and belt wet jetting piles and exempt from the online de-watering apparatus of degreasing.
Background technology
Along with the development of the fast development of national economy, particularly automobile industry and household electric appliances, more and more higher to the surface quality requirements of cold-rolled steel sheet product.Cold rolling levelling is the cold deformation process of a little pressure, is a procedure significant in cold-rolled steel sheet process of producing product, and this operation determines into the surface state of flat rubber belting steel, plate shape, mechanical property and processing performance to a great extent.
Cold rolling levelling mainly comprises dry smooth and wet jetting piles two kinds of modes, and wherein, it is the most extensive that wet jetting piles is applied.Remain the good and bad direct relation strip surface quality of water stain etc. blow device for blowing off band steel upper and lower surface in wet jetting piles process, if it is not thorough that belt steel surface remains water stain removing, belt steel surface can form faint yellow smooth spot or produce corrosion, has a strong impact on strip quality.The wet jetting piles of prior art solves dry smooth pitting and aberration problem, but new problem plate face has leveling precision remain, and is not easy to wash off on degreasing line.
Be badly in need of the online servicing unit of a kind of wet jetting piles of research, effectively can remove steel strip surface leveling precision and remain, retain the technological advantage of wet jetting piles.
Summary of the invention
For above-mentioned defect, a kind of metal plate and belt wet jetting piles is the object of the present invention is to provide to exempt from the online de-watering apparatus of degreasing.
The object of the present invention is achieved like this, a kind of metal plate and belt wet jetting piles exempts from the online de-watering apparatus of degreasing, strip is by roll rolling, comprise the even spraying mechanism of at least one leveling precision, at least one blowing mechanism and at least one hot-air seasoning mechanism, the even spraying mechanism of described leveling precision is arranged at least side of the metal plate and belt of the upstream position of Rolling roller, and blowing mechanism is arranged at least side of the downstream position metal plate and belt of Rolling roller; Described hot-air seasoning mechanism is arranged on the downstream position of described blowing mechanism;
The even spraying mechanism of described leveling precision comprises fan nozzle, and described fan nozzle is symmetricly set in the front of the Rolling roller of strip upper and lower;
Described blowing mechanism comprises main blowing mechanism, the first limit blowing mechanism and Second Edge blowing mechanism, the first limit blowing mechanism is respectively equipped with at the two ends of described main blowing mechanism, described first limit blowing mechanism is positioned at the upstream of the strip direct of travel of main blowing mechanism, and described Second Edge blowing mechanism is positioned at the downstream of the strip direct of travel of main blowing mechanism; Described first limit blowing mechanism and/or Second Edge blowing mechanism are arranged at least side of roll downstream strip;
Hot-air seasoning mechanism comprises blower fan, heat exchange qi sheet and drying baker, and described fan outlet connects the air intake vent of described drying baker by heat exchanging air duct, is provided with heat exchange qi sheet in described heat exchanging air duct; The top-side of described drying baker is provided with circulation air path, and the circulation air path other end is connected on the air intake vent of the side of described blower fan.
Further, described main blowing mechanism comprises the first purging branch and second and purges branch, and described first purging branch and the second purging branch have to be communicated with respectively holds and band edge end, and described connection end connection forms connection top; Purge in branch and the second purging branch first and be arranged at intervals with multiple nozzle respectively, described connection end drift angle makes nozzle towards the outside jet airstream in strip edges direction towards roll; First of described connection top purges branch and the second center line angle purging branch and strip length direction is 50 ° ~ 90 °.
Further, described first limit blowing mechanism comprises the first limit scavenging conduit, be communicated with at the first limit scavenging conduit arrival end and purge described first the band edge end that branch and second purges branch, the port of export is connected with at least one first limit purge nozzle, the port of export of described first limit scavenging conduit extends to the side of sewing on of roll and strip joint, and nozzle is swept to strip edges direction jet airstream in described first limit.
Further, described Second Edge blowing mechanism comprises Second Edge scavenging conduit, Second Edge scavenging conduit arrival end is band edge end, the port of export of described Second Edge scavenging conduit is provided with at least 2 Second Edge purge nozzle, described Second Edge scavenging conduit tilt and be symmetricly set in both sides, plate width direction arrange be constructed so that Second Edge purge nozzle towards strip edges direction jet airstream described first purge branch and second purge branch be communicated with the width centre position that top is positioned at described strip.
Further, the upper and lower both sides of upstream strip of the even spraying mechanism of described leveling precision are also provided with high pressure water washing mechanism, described water under high pressure blowing mechanism comprises the first purging branch and second and purges branch, described first purging branch and the second purging branch have to be communicated with respectively holds and band edge end, and described connection end is communicated with formation water under high pressure connection top; Purge in branch and the second purging branch first and be arranged at intervals with multiple nozzle respectively.
Further, described water under high pressure be communicated with end drift angle towards the opposite direction of strip direct of travel make nozzle towards strip edges direction outside inject high pressure current; First of described connection top purges branch and the second center line angle purging branch and strip length direction is 60 ° ~ 90 °.
Further, the air intake vent of described drying baker is two, and air outlet is two, and described blower fan is two.
Further, described air outlet is symmetricly set on two side plates up and down of drying baker.
Further, described drying baker is the cuboid of horizontal positioned, and described air intake vent is arranged on the side of described drying baker, and described air outlet is symmetricly set on former and later two side plates of drying baker, described metal plate and belt enters from an air outlet, goes out from another air outlet.
Further, described Second Edge scavenging conduit and described strip length direction center line angle are 40 ~ 50 °.
The present invention compared with prior art, even spraying mechanism both ensure that the lubrication of leveling roll, in turn ensure that leveling precision is a small amount of and be uniformly distributed, this is the prerequisite that blowing mechanism and hot-air seasoning mechanism can finish the work, and the blowing mechanism prerequisite that to be plate face hot-air seasoning water stain, according in the middle of strip and the feature that distributes of flush edge liquid and carry out three roads and purge targetedly, make strip surface only surplus moisture film and without water droplet, ensure that the surface quality of oven dry, the shower of the final technique effect of Ze Shiqianliang mechanism of hot-air seasoning mechanism and executor, the hot air circulation of its excellence heats drying technology and then to make in drying baker constant high temperature all the time, ensure that the moisture film on strip surface all evaporates at short notice and become water vapour, three supports to interact mutually, finally obtain the online water removal effect exempting from degreasing, efficiency is high and cost is low, the online de-watering apparatus of described wet jetting piles can accomplish metal steel strap not with degreasing line, directly go straightening just passable, plate face is clean, there is no aberration, there is no pitting, roller consumption reduces, without the need to degreasing.If add the high pressure water washing mechanism of most upstream, then plate face can reach DE Specular Lighting effect, considerably increases the quality of strip.
The online de-watering apparatus of described wet jetting piles, has the ingenious mechanism design of working in concert, and is the technological advantage of outstanding wet jetting piles and playing a pivotal role, and raises the efficiency for enterprise produces and reduces costs.
Accompanying drawing explanation
Fig. 1 is the front view that wet jetting piles of the present invention exempts from the online de-watering apparatus of degreasing.
Fig. 2 is the top view that wet jetting piles of the present invention exempts from the online de-watering apparatus of degreasing.
Fig. 3 is the top view that wet jetting piles of the present invention exempts from another embodiment of the online de-watering apparatus of degreasing.
Fig. 4 is the structure chart that wet jetting piles of the present invention exempts from the hot-air seasoning mechanism of the online de-watering apparatus of degreasing.
Wherein, a) being front view, b) is side view.
Fig. 5 is prior art temper rolling technology device schematic diagram.Wherein, a) being front view, b) is top view.
Reference numeral in above-mentioned figure:
10 wet jetting piles exempt from the online de-watering apparatus of degreasing, the even spraying mechanism of 20 leveling precision, 30 blowing mechanisms, 40 hot-air seasoning mechanisms
301 main blowing mechanisms, 302 first limit blowing mechanisms, 303 Second Edge blowing mechanisms, 4 strips, 5 rolls
301.1 first purge branch, and 301.2 second purge branch, 301.3 nozzles
302.1 first limit scavenging conduits, 302.2 Second Edge purge nozzle
303.1 Second Edge scavenging conduits, 303.2 Second Edge purge nozzle
α first purge branch and second purge branch respectively with the center line angle of strip length direction
β left Second Edge scavenging conduit and right Second Edge scavenging conduit respectively with described strip length direction center line angle
401 blower fans, 402 heat exchange qi sheets, 403 drying bakers, 404 heat exchanging air ducts, 405 circulation air paths
403.1 air intake vents, 403.2 air outlets
Detailed description of the invention
Below in conjunction with accompanying drawing, embodiments of the invention are elaborated, but be not used for limiting the scope of the invention.
As shown in the figure, the online de-watering apparatus 10 of a kind of wet jetting piles, comprises the even spraying mechanism 20 of leveling precision, blowing mechanism 30, and the even spraying mechanism 20 of described flat leveling precision is arranged on the upstream position of Rolling roller, and blowing mechanism 22 is arranged on the downstream position of Rolling roller.
The even spraying mechanism 20 of described leveling precision comprises fan nozzle 201.1, and described fan nozzle 201.1 is symmetricly set in the front of the Rolling roller of strip upper and lower.The width of fan nozzle 201.1 is 80% of plate width.
Described blowing mechanism 30 comprises main blowing mechanism 301, first limit blowing mechanism 302 and Second Edge blowing mechanism 303, described main blowing mechanism 301 comprises the first purging branch 301.1 and second and purges branch 301.2, described first purging branch 301.1 and the second purging branch 301.2 have to be communicated with respectively holds and band edge end, described connection end is communicated with to form and is communicated with top, and first of described connection top purges branch 301.1 and second, and to purge branch 301.2 be 60 ° ~ 80 ° with the center line angle α of strip length direction respectively.The described first limit end purging branch 301.1 is compressed air inlet, and the described second band edge end purging branch 301.2 is compressed air outlet; Purge in branch 301.1 and the second purging branch 301.2 first and be arranged at intervals with multiple nozzle 301.3 respectively, described connection end drift angle is towards bundle roller, and such nozzle 301.3 is towards the outside jet airstream in bandwidth direction.
Described first purge branch 301.1 and second purge branch 301.2 be communicated with the width centre position that top is positioned at described strip.
The first limit blowing mechanism 302 is respectively equipped with at the described first band edge end purging branch 301.1 and the second purging branch 301.2; Described first limit blowing mechanism 302 is positioned at the upstream of main blowing mechanism 301; Described first limit blowing mechanism comprises the first limit scavenging conduit 2.1, the band edge end purging branch 301.1 and the second purging branch 301.2 described first is communicated with at the first limit scavenging conduit 302.1 arrival end, the port of export is connected with the first limit purge nozzle 302.2, the port of export of described first limit scavenging conduit 302.1 extends to the side of sewing on of roll and strip joint, and nozzle 302.2 is swept to strip edges direction jet airstream in described first limit.
Described Second Edge blowing mechanism 303 is positioned at the downstream of the strip direct of travel of main blowing mechanism 301; Described Second Edge blowing mechanism 303 comprises Second Edge scavenging conduit 303.1, Second Edge scavenging conduit 303.1 arrival end is band edge end, the port of export of described Second Edge scavenging conduit 3.1 is provided with at least 2 Second Edge purge nozzle 303.2, and described Second Edge scavenging conduit 303.1 tilts and is symmetricly set in both sides, plate width direction layout and is constructed so that Second Edge purge nozzle 303.2 is towards strip edges direction jet airstream.Preferably, described Second Edge scavenging conduit 3.1 is 40-50 ° with described strip length direction center line angle β.
Described blowing mechanism 30 is provided with at least side of roll 5 front strip 4.
The online de-watering apparatus of described wet jetting piles, also comprise hot-air seasoning mechanism 40, comprise blower fan 401 and heat exchange qi sheet 402 and drying baker 403, described blower fan 401 exports the air intake vent being connected described drying baker 403 by heat exchanging air duct 404, is provided with heat exchange qi sheet 402 in described heat exchanging air duct 404; Described drying baker air outlet place is provided with circulation air path 405, on the air intake vent of the side of circulation air path 405 other end connecting fan.
Described drying baker 403 is the cuboid vertically placed, the air intake vent 403.1 of described drying baker 403 is two, air outlet 403.2 is two, described blower fan is 402, described air intake vent 403.1 is arranged on the side of described drying baker 403, described air outlet 3.2 is arranged on the narrower side of described drying baker 3, described air outlet 3.2 for width be the thin narrow slit of 10-20cm, described air outlet 403.2 is symmetricly set on two side plates up and down of drying baker 403.
Preferably, the upper and lower both sides of upstream strip of the even spraying mechanism of described leveling precision 20 are also provided with high pressure water washing mechanism 19, described water under high pressure blowing mechanism 19 comprises the first purging branch 19.1 and second and purges branch 19.2, described first purging branch 19.1 and the second purging branch 19.2 have to be communicated with respectively holds and band edge end, and described connection end is communicated with formation water under high pressure connection top; Purge in branch 19.1 and the second purging branch 19.2 first and be arranged at intervals with multiple nozzle 19.3 respectively.Described water under high pressure be communicated with end drift angle towards the opposite direction of strip direct of travel make nozzle 19.3 towards strip edges direction outside inject high pressure current; First of described connection top purges branch 19.1 and the second center line angle γ purging branch 19.2 and strip length direction is 50 ° ~ 90 °.
We are optimized equipment and process on the basis of common temper rolling technology, have following technical spirit and improve:
1) evenly the leveling precision nozzle at the design entry place of spraying mechanism adopts fan nozzle, and leveling precision is ejected into the first half of working roll, and the leveling precision in whole like this roll gap is very uniform;
2) ingehious design of blowing mechanism
Devise the first limit blowing mechanism, direct purging working roll roll gap, focus on first blowing away of strip edges emulsion, because roll is when rolling, emulsion flows uniformly in strip from roll, after strip goes out roll, on roll and strip contact width direction, the distribution of emulsion is the feature that many centres, both sides are few, and applicant notices such characteristic distributions, thus devising the first limit blowing mechanism, the maximum emulsion of the amount of ensure that first is blown away.The leveling precision overwhelming majority is blown to outside frame, only also has little leveling precision to remain at steel edge portion;
The inclined design of main blowing mechanism, first of main blowing mechanism purges branch and the second purging branched layout becomes to make nozzle towards the outside jet airstream in strip edges direction.Such design is to the rolling mill compound in the middle of strip be blown in the middle of strip strip edges area or blowout strip edges.
Be aided with Second Edge blowing mechanism, the rolling mill compound in strip is through the interactional purging of two steps, and only remaining edge zone remains part rolling mill compound, and Second Edge blowing mechanism concentrates one's energy also to have blown away residual for last edge just.Added four groups of compressed-air atomizers up and down altogether at steel edge portion, require that force pressure is high, flow is little, and the residual leveling precision of edge has also blown clean.
Through above measure, substantially few of moisture on plate face, various ash content, iron powder be also along with leveling precision has been blown away;
3) hot air drying box is dried, and adds two heat exchangers, has added a circulation air path between fans entrance and drying baker simultaneously, most hot air circulate is used, like this, the temperature in drying baker has brought up to 90 ~ 100 degree, and drying effect significantly improves.
Even spraying mechanism both ensure that the lubrication of leveling roll, in turn ensure that leveling precision is a small amount of and be uniformly distributed, this is the prerequisite that blowing mechanism and hot-air seasoning mechanism can finish the work, and the blowing mechanism prerequisite that to be plate face hot-air seasoning water stain, according in the middle of strip and the feature that distributes of flush edge liquid and carry out three roads and purge targetedly, make strip surface only surplus moisture film and without water droplet, ensure that the surface quality of oven dry, the shower of the final technique effect of Ze Shiqianliang mechanism of hot-air seasoning mechanism and executor, the hot air circulation of its excellence heats drying technology and then to make in drying baker constant high temperature all the time, ensure that the moisture film on strip surface all evaporates at short notice and become water vapour, three supports to interact mutually, finally obtain the online water removal effect exempting from degreasing, efficiency is high and cost is low, the online de-watering apparatus of described wet jetting piles can accomplish metal steel strap not with degreasing line, directly go straightening just passable, plate face is clean, there is no aberration, there is no pitting, roller consumption reduces, without the need to degreasing.
The online de-watering apparatus of described wet jetting piles, has the ingenious mechanism design of working in concert, and is the technological advantage of outstanding wet jetting piles and playing a pivotal role, and raises the efficiency for enterprise produces and reduces costs.
Claims (10)
1. metal plate and belt wet jetting piles exempts from the online de-watering apparatus of degreasing, and strip is smooth by roll rolling, it is characterized in that,
Comprise the even spraying mechanism of leveling precision (20), at least one blowing mechanism (30) and at least one hot-air seasoning mechanism (40), the even spraying mechanism of described leveling precision (20) is arranged at least side of the metal plate and belt of the upstream position of Rolling roller, and blowing mechanism (20) is arranged at least side of the downstream position metal plate and belt of Rolling roller; Described hot-air seasoning mechanism (40) is arranged on the downstream position of described blowing mechanism (30);
The even spraying mechanism of described leveling precision (20) comprises fan nozzle (201.1), and described fan nozzle (201.1) is symmetricly set in the front of the Rolling roller of strip upper and lower;
Described blowing mechanism (30) comprises main blowing mechanism (301), the first limit blowing mechanism (302) and Second Edge blowing mechanism (303), the first limit blowing mechanism (2) is respectively equipped with at the two ends of described main blowing mechanism (301), described first limit blowing mechanism (2) is positioned at the upstream of the strip direct of travel of main blowing mechanism (1), and described Second Edge blowing mechanism (303) is positioned at the downstream of the strip direct of travel of main blowing mechanism (1); Described first limit blowing mechanism (2) and/or Second Edge blowing mechanism (3) are arranged at least side of roll downstream strip;
Hot-air seasoning mechanism (40) comprises blower fan (401), heat exchange qi sheet (402) and drying baker (403), described blower fan (401) outlet connects the air intake vent of described drying baker (403) by heat exchanging air duct (404), be provided with heat exchange qi sheet (402) in described heat exchanging air duct (404); The top-side of described drying baker is provided with circulation air path (405), and circulation air path (405) other end is connected on the air intake vent of the side of described blower fan (401).
2. metal plate and belt wet jetting piles exempts from the online de-watering apparatus of degreasing as claimed in claim 1, it is characterized in that, described main blowing mechanism (301) comprises the first purging branch (301.1) and second and purges branch (301.2), described first purging branch (301.1) and the second purging branch (301.2) have to be communicated with respectively to be held and band edge end, and described connection end is communicated with formation connection top; Purge on branch (301.1) and the second purging branch (301.2) first and be arranged at intervals with multiple nozzle (301.3) respectively, described connection end drift angle makes nozzle (301.3) towards the outside jet airstream in strip edges direction towards roll; First of described connection top purges branch (301.1) and the second center line angle (α) purging branch (301.2) and strip length direction is 60 ° ~ 90 °.
3. metal plate and belt wet jetting piles exempts from the online de-watering apparatus of degreasing as claimed in claim 1, it is characterized in that, described first limit blowing mechanism (302) comprises the first limit scavenging conduit (302.1), be communicated with at the first limit scavenging conduit (302.1) arrival end and purge described first the band edge end that branch (301.1) and second purges branch (301.2), the port of export is connected with at least one first limit purge nozzle (302.2), the port of export of described first limit scavenging conduit (302.1) extends to the side of sewing on of roll and strip joint, nozzle (302.2) is swept to strip edges direction jet airstream in described first limit.
4. metal plate and belt wet jetting piles exempts from the online de-watering apparatus of degreasing as claimed in claim 1, it is characterized in that, described Second Edge blowing mechanism (303) comprises Second Edge scavenging conduit (303.1), Second Edge scavenging conduit (303.1) arrival end is band edge end, the port of export of described Second Edge scavenging conduit (303.1) is provided with at least 2 Second Edge purge nozzle (303.2), described Second Edge scavenging conduit (303.1) tilt and be symmetricly set in both sides, plate width direction arrange be constructed so that Second Edge purge nozzle (303.2) towards strip edges direction jet airstream described first purge branch (301.1) and second purging branch (301.2) be communicated with the width centre position that top is positioned at described strip.
5. metal plate and belt wet jetting piles exempts from the online de-watering apparatus of degreasing as claimed in claim 1, it is characterized in that, the upper and lower both sides of upstream strip of the even spraying mechanism of described leveling precision (20) are also provided with high pressure water washing mechanism (19), described water under high pressure blowing mechanism (19) comprises the first purging branch (19.1) and second and purges branch (19.2), described first purging branch (19.1) and the second purging branch (19.2) have to be communicated with respectively to be held and band edge end, and described connection end is communicated with formation water under high pressure connection top; Purge on branch (19.1) and the second purging branch (19.2) first and be arranged at intervals with multiple nozzle (19.3) respectively.
6. metal plate and belt wet jetting piles exempts from the online de-watering apparatus of degreasing as claimed in claim 5, it is characterized in that, described water under high pressure be communicated with end drift angle towards the opposite direction of strip direct of travel make nozzle (19.3) towards strip edges direction outside inject high pressure current; First of described connection top purges branch (19.1) and the second center line angle (γ) purging branch (19.2) and strip length direction is 60 ° ~ 90 °.
7. metal plate and belt wet jetting piles exempts from the online de-watering apparatus of degreasing as claimed in claim 1, it is characterized in that, the air intake vent (403.1) of described drying baker (403) is two, and air outlet (403.2) is two, and described blower fan (401) is two.
8. metal plate and belt wet jetting piles exempts from the online de-watering apparatus of degreasing as claimed in claim 7, it is characterized in that, described air outlet (403.2) is symmetricly set on two side plates up and down of drying baker (403).
9. metal plate and belt wet jetting piles exempts from the online de-watering apparatus of degreasing as claimed in claim 7, it is characterized in that, the cuboid that described drying baker (403) is horizontal positioned, described air intake vent (403.1) is arranged on the side of described drying baker (403), described air outlet (403.2) is symmetricly set on former and later two side plates of drying baker (403), described metal plate and belt enters from an air outlet, goes out from another air outlet.
10. metal plate and belt wet jetting piles exempts from the online de-watering apparatus of degreasing as claimed in claim 4, it is characterized in that, described Second Edge scavenging conduit (303.1) and described strip length direction center line angle (β) are 40 ~ 50 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610045404.1A CN105522007B (en) | 2016-01-25 | 2016-01-25 | A kind of metal plate and belt wet jetting piles exempt from the online de-watering apparatus of degreasing |
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| CN201610045404.1A CN105522007B (en) | 2016-01-25 | 2016-01-25 | A kind of metal plate and belt wet jetting piles exempt from the online de-watering apparatus of degreasing |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112275601A (en) * | 2020-10-16 | 2021-01-29 | 中国第一汽车股份有限公司 | Novel coating process for coating vehicle body by regional color paint differentiation |
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| CN205684490U (en) * | 2016-01-25 | 2016-11-16 | 天津炬坤金属科技有限公司 | A kind of metal plate and belt wet jetting piles exempts from the online water trap of defat |
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