CN205990449U - Strip steel preheating device and stainless steel strip pickling system before pickling - Google Patents
Strip steel preheating device and stainless steel strip pickling system before pickling Download PDFInfo
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- CN205990449U CN205990449U CN201620483750.3U CN201620483750U CN205990449U CN 205990449 U CN205990449 U CN 205990449U CN 201620483750 U CN201620483750 U CN 201620483750U CN 205990449 U CN205990449 U CN 205990449U
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- preheating
- strip steel
- pickling
- steam jet
- preheating chamber
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Abstract
This utility model is related to strip steel preheating device before a kind of pickling, and including preheating chamber, the strip steel that preheating chamber both ends open forms this preheating chamber of insertion runs passage, and preheating interior is provided with the preheating mechanism that strip steel is preheated.Additionally relate to a kind of stainless steel strip pickling system, including pickling section, be provided with strip steel preheating device before pickling as above before pickling section arrival end.This utility model passes through to arrange preheating device, and strip steel is preheated mechanism's preheating during by preheating chamber so that the temperature that strip steel enters pickling section raises, thus being effectively improved pickling effect, reduces pickle consumption.
Description
Technical field
This utility model belongs to acid-washing stainless steel technical field and in particular to strip steel preheating device and configuration before a kind of pickling
There is the stainless steel strip pickling system of this preheating device.
Background technology
At present, during stainless steel strip pickling, typically all without preheating, direct passband carries out acid in the pre- descaling bath of sulphuric acid
Wash, when that is, strip steel has just enter into acid tank, belt steel surface temperature is generally room temperature, and temperature only has 25 DEG C；During sulfuric acid washing, temperature is general
Need to be maintained at 85 DEG C about, pickling effect can be only achieved most preferably, and the time in the pre- descaling bath of sulphuric acid for the strip steel only has tens
Second, the time is shorter, and belt steel surface temperature is extremely difficult to 85 DEG C within a short period of time, and this will make pickling effect undesirable.And
When strip steel just enters pre- descaling bath, belt steel surface is relatively dry not to be moistened, and acid solution can be made to contact with belt steel surface uneven,
Pickling effect can be caused not good.In addition, strip steel is after shot-blasting machine de-scaling, belt steel surface still remains a part of oxide skin chip,
When it brings pre- descaling bath into, acid solution also can be consumed.
Utility model content
This utility model embodiment provides strip steel preheating device and the rustless steel being configured with this preheating device before a kind of pickling
Strip pickling system, at least can solve the segmental defect of prior art.
This utility model embodiment is related to strip steel preheating device before a kind of pickling, including preheating chamber, described preheating chamber two ends
The strip steel that opening forms this preheating chamber of insertion runs passage, and described preheating interior is provided with the preheating mechanism that strip steel is preheated.
As one of embodiment, described preheating mechanism includes least one set steam jet group, steam jet group described in every group
The steam jet being used for blowing preheated steam including at least one, each described steam jet is all set up in described pre- by injection nozzle carrier
In hot cell.
As one of embodiment, described preheating mechanism includes multigroup steam jet group, and each described steam jet group is along strip steel
Traffic direction is sequentially arranged.
As one of embodiment, steam jet group described in every group includes steaming along at least one of strip width direction arrangement
Vapour nozzle and at least one lower steam jet, each described upper steam jet is respectively positioned on described strip steel and runs above passage and injection side
To down, each described lower steam jet be respectively positioned on described strip steel run below passage and blowing direction upward.
As one of embodiment, it is connected with the discharge tube for discharging condensed water, described row in described preheating chamber bottom
Put pipeline and be provided with the first control valve.
As one of embodiment, described preheating chamber bottom is also associated with rinsing the backwash of preheating chamber for being passed through industry water
Pipeline, described Backwash pipeline is provided with the second control valve.
As one of embodiment, the V-shaped structure in described preheating chamber bottom, include two sections of slopes, two sections of described slopes are divided
The two ends of described preheating chamber are not extended to from the bottom of this V-structure.
As one of embodiment, described discharge tube is connected to the bottom of the preheating chamber bottom of described V-structure.
As one of embodiment, described preheating chamber top is connected with fog discharge pipeline.
This utility model embodiment is related to a kind of stainless steel strip pickling system, including pickling section, enters in described pickling section
Mouth is provided with strip steel preheating device before pickling as above before end.
This utility model embodiment at least achieves following beneficial effect：This utility model passes through to arrange preheating device, band
Steel is preheated mechanism's preheating during by preheating chamber so that the temperature that strip steel enters pickling section raises, thus effectively changing
Kind pickling effect, reduces pickle consumption.
Brief description
In order to be illustrated more clearly that this utility model embodiment or technical scheme of the prior art, below will be to embodiment
Or in description of the prior art the accompanying drawing of required use be briefly described it should be apparent that, drawings in the following description are only
It is some embodiments of the present utility model, for those of ordinary skill in the art, in the premise not paying creative work
Under, other accompanying drawings can also be obtained according to these accompanying drawings.
The structural representation of strip steel preheating device before the pickling that Fig. 1 provides for this utility model embodiment.
Specific embodiment
Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is carried out
Clearly and completely description is it is clear that described embodiment is only a part of embodiment of this utility model rather than whole
Embodiment.Based on the embodiment in this utility model, those of ordinary skill in the art are not making the premise of creative work
Lower obtained all other embodiment, broadly falls into the scope of this utility model protection.
Embodiment one
As Fig. 1, this utility model embodiment provides strip steel preheating device before a kind of pickling, including preheating chamber 1, described preheating
The strip steel that room 1 both ends open forms this preheating chamber 1 of insertion runs passage, is provided with strip steel 2 is preheated in described preheating chamber 1
Preheating mechanism.This preheating chamber 1 is containment housing structure, only arranges opening at two, pre- in this preheating chamber 1 to ensure strip steel 2
Thermal effect；Limit the strip steel operation passage being formed via two openings and be preferably horizontal channel, wherein, can set in this preheating chamber 1
Put two groups of supporting roller groups 4, one of which supporting roller group 4 is arranged near this preheating chamber 1 arrival end, and another group near this preheating chamber 1
The port of export is arranged；Every group of supporting roller group 4 includes a upper roller and a lower roll, and just to setting and spacing is slightly larger than strip steel 2 thickness to two rollers,
To be supported to strip steel 2 and to be guided.
Continue the structure of above-mentioned preheating device, and above-mentioned preheating mechanism can be directly heated using Electromagnetic Heating, short flame, heat
The preheating methods such as air heat-exchange；As Fig. 1, it is a kind of optimal way of the present embodiment：Described preheating mechanism includes least one set and steams
Vapour nozzle sets, steam jet group described in every group includes at least one for the steam jet 3 of blowing preheated steam, each described steam
Nozzle 3 is all set up in described preheating chamber 1 by injection nozzle carrier.By steam, strip steel 2 is preheated, on the one hand with strip steel 2 table
The contact heat-exchanging effect in face is preferable；On the other hand, effectively strip steel 2 surface can be moistened so that strip steel 2 enters pickling during pre- descaling bath
Liquid is contacted uniformly with strip steel 2 surface, improves pickling effect further；Another further aspect, the condensed water that steam condensation produces can be certain
Degree wash zone walks the oxide skin chip on strip steel 2 surface, lowers the pickle consumption in follow-up acid cleaning process.
In above-mentioned preheating mechanism, it preferably comprises multigroup steam jet group, and each described steam jet group is run along strip steel 2
Direction is sequentially arranged.Wherein, steam jet group described in every group includes the steam spray along at least one of strip steel 2 width arrangement
Mouth 3 and at least one lower steam jet 3, each described upper steam jet 3 is respectively positioned on described strip steel and runs above passage and injection side
To down, each described lower steam jet 3 be respectively positioned on described strip steel run below passage and blowing direction upward.Usually, every group
Steam jet group includes steam jet group under the upper steam jet group of a row and a row, and often row's steam jet group is included along strip steel 2 width
Multiple steam jets 3 of degree direction arrangement；Preferably, in every group of steam jet group, the quantity of the quantity of upper steam jet 3 is more than
The quantity of lower steam jet 3, be on the one hand because the steam of lower steam jet 3 injection and strip steel 2 lower surface liquidates effect relatively
Good, heat transfer effect is better than upper steam jet 3, and on the other hand, strip steel 2 upper surface has condensation water loading, this partial coagulation water meeting
Take away the heat of part strip steel 2.Above-mentioned each steam jet 3 is all connected with jet chimney 5, and jet chimney 5 connects to steam generation
System, can stablize supplying high temperature steam.
As one of embodiment, such as Fig. 1, it is connected with the discharge tube for discharging condensed water in described preheating chamber 1 bottom
6, described discharge tube 6 is provided with the first control valve 7.Further, described preheating chamber 1 bottom is also associated with for being passed through industry
Water rinses the Backwash pipeline 9 of preheating chamber 1, and described Backwash pipeline 9 is provided with the second control valve 8.Wherein, above-mentioned backwash tube
Road 9 can be independently arranged, and that is, with above-mentioned discharge tube 6 interval setting, also can branch be connected on this discharge tube 6, and branch connects
Point is located between the first control valve 7 and preheating chamber 1 bottom.
Optimize said structure, the V-shaped structure in described preheating chamber 1 bottom further, include two sections of slopes, two sections described tiltedly
Slope extends to the two ends of described preheating chamber 1 respectively from the bottom of this V-structure.Above-mentioned discharge tube 6 is preferably connected to described V
The bottom of preheating chamber 1 bottom of type structure, its both discharge tube 6 as condensed water, also serve as the delivery pipe of oxide skin chip
Road 6；Certainly, also the position that this discharge tube 6 connects can be set to the bottom of a little higher than preheating chamber 1 bottom, to improve discharge
Condensed water cleanliness factor, in addition now, one need to be connected in the bottom of preheating chamber 1 bottom and be used for discharging the chip of oxide skin chip
Discharge pipe.By arranging slope, it is easy to collecting of condensed water and oxide skin chip.After producing a period of time, in preheating chamber 1 bottom
A certain amount of condensed water and oxide skin chip can be accumulated, lead for preventing oxide skin chip to be deposited on preheating chamber 1 bottom for a long time
Cause is difficult to clear up, and can be processed by above-mentioned discharge tube 6 and Backwash pipeline 9, specially：First open on discharge tube 6
The first control valve 7, condensed water elimination is clean, and the oxide skin chip that now might have part residual stays preheating chamber 1 bottom
Portion；Close above-mentioned first control valve 7, open the second control valve 8 in Backwash pipeline 9, be passed through industry water and rinse preheating chamber 1 bottom
Portion for a period of time, is then shut off above-mentioned second control valve 8, opens the first control valve 7, the industry water being passed through is emptied, then
Close above-mentioned first control valve 7；Can determine whether to carry out multiple backwash operation according to backwash effect.
The condensed water of above-mentioned discharge is recyclable, after solid-liquid separation, delivers to steam generating system and recycles.In addition, institute
State preheating chamber 1 top and be connected with fog discharge pipeline 10, also can return to steam generating system through the fog that fog discharge pipeline 10 is discharged and reclaim
Using.
Embodiment two
This utility model embodiment is related to a kind of stainless steel strip pickling system, including pickling section, enters in described pickling section
Mouth is provided with strip steel preheating device before pickling before end, and before this pickling, strip steel preheating device is preferably to adopt in embodiment one and provides
Preheating device, here is omitted for concrete structure.Wherein, above-mentioned pickling section includes the pre- pickling section using sulfuric acid washing, on
State preheating device and be located at this pre- pickling section entrance side.By above-mentioned preheating device, strip steel 2 can be preheated to 40～60 DEG C, from
And the pre- pickling effect of sulphuric acid effectively improving strip steel 2, reduce pickle consumption.
The foregoing is only preferred embodiment of the present utility model, not in order to limit this utility model, all this
Within the spirit of utility model and principle, any modification, equivalent substitution and improvement made etc., should be included in this utility model
Protection domain within.
Claims (7)
1. before a kind of pickling strip steel preheating device it is characterised in that：Including preheating chamber, described preheating chamber both ends open forms insertion
The strip steel of this preheating chamber runs passage, and described preheating interior is provided with the preheating mechanism that strip steel is preheated；
Described preheating mechanism includes least one set steam jet group, and steam jet group described in every group includes at least one and is used for being blown
The steam jet of Preheated steam, it is indoor that each described steam jet is all set up in described preheating by injection nozzle carrier；
It is connected with the discharge tube for discharging condensed water in described preheating chamber bottom, described discharge tube is provided with the first control
Valve；
The V-shaped structure in described preheating chamber bottom, includes two sections of slopes, two sections of described slopes are respectively from the bottom of this V-structure
Extend to the two ends of described preheating chamber.
2. before pickling according to claim 1 strip steel preheating device it is characterised in that：Described preheating mechanism includes multigroup steaming
Vapour nozzle sets, each described steam jet group is sequentially arranged along strip steel traffic direction.
3. before pickling according to claim 2 strip steel preheating device it is characterised in that：Described in every group, steam jet group includes
Steam jet and at least one lower steam jet along at least one of strip width direction arrangement, each described upper steam jet is equal
Run above passage positioned at described strip steel and blowing direction down, each described lower steam jet is respectively positioned on described strip steel and runs passage
Lower section and blowing direction upward.
4. before pickling according to claim 1 strip steel preheating device it is characterised in that：Described preheating chamber bottom is also associated with
Rinse the Backwash pipeline of preheating chamber for being passed through industry water, described Backwash pipeline is provided with the second control valve.
5. before pickling according to claim 1 strip steel preheating device it is characterised in that：Described discharge tube is connected to described
The bottom of the preheating chamber bottom of V-structure.
6. before pickling according to any one of claim 1 to 3 strip steel preheating device it is characterised in that：Described preheating chamber
Top is connected with fog discharge pipeline.
7. a kind of stainless steel strip pickling system, including pickling section it is characterised in that：Arranged before described pickling section arrival end
Just like strip steel preheating device before the pickling any one of claim 1 to 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620483750.3U CN205990449U (en) | 2016-05-25 | 2016-05-25 | Strip steel preheating device and stainless steel strip pickling system before pickling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620483750.3U CN205990449U (en) | 2016-05-25 | 2016-05-25 | Strip steel preheating device and stainless steel strip pickling system before pickling |
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| CN205990449U true CN205990449U (en) | 2017-03-01 |
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| CN201620483750.3U Active CN205990449U (en) | 2016-05-25 | 2016-05-25 | Strip steel preheating device and stainless steel strip pickling system before pickling |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107855320A (en) * | 2017-11-29 | 2018-03-30 | 中冶南方工程技术有限公司 | One kind blows paper machine |
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2016
- 2016-05-25 CN CN201620483750.3U patent/CN205990449U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107855320A (en) * | 2017-11-29 | 2018-03-30 | 中冶南方工程技术有限公司 | One kind blows paper machine |
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