CN207628885U - A kind of stainless steel cold-rolled plate continuous process system - Google Patents
A kind of stainless steel cold-rolled plate continuous process system Download PDFInfo
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- CN207628885U CN207628885U CN201721674799.8U CN201721674799U CN207628885U CN 207628885 U CN207628885 U CN 207628885U CN 201721674799 U CN201721674799 U CN 201721674799U CN 207628885 U CN207628885 U CN 207628885U
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Abstract
The utility model discloses a kind of stainless steel cold-rolled plate continuous process systems, including at least black volume pickling unit, stainless steel blank examination paper rolling unit, annealing and pickling unit, the black volume pickling unit, stainless steel blank examination paper rolling unit, annealing and pickling unit are sequentially connected with and form tandem mill together；It is not provided with intermediate annealing section between black volume pickling unit, stainless steel blank examination paper rolling unit.Multiple processes such as black volume pickling and the rolling of stainless steel blank examination paper, annealing and pickling are linked together and form tandem mill, directly produce 2B/2D products, save the allocation and transportation that de-black volume anneals, saves intermediate annealing, saves inter process coil of strip, lumber recovery is improved, factory construction land used and construction investment are largely saved.
Description
Technical field
The utility model relates generally to stainless steel sheet strip production technical field, and in particular to the black volume of stainless steel (surface band oxygen
Change skin stainless steel hot-rolling volume) pickling, blank（The stainless steel of non-scale after hot rolling, heat treatment pickling, referring to China national mark
The NO.1 plates being referred to as in 1D volumes of the abbreviation or industry that the 6.6th article of quasi- GB-T4237-2007（Referring to the limited public affairs of Baoshan Iron and Steel Company share
Take charge of company standard Q/BQB 4302-2009））The processes such as rolling, cold plate annealing, cold plate pickling and surface finish are united
Continuous production unit.
Background technology
The black volume pickling of stainless steel, blank rolling, cold plate annealing, cold plate pickling and surface finish etc. are all ripe production works
Skill.Stainless steel hot-rolling is rolled up（Black volume）Iron scale is thicker, it is difficult go out to remove, nearly all stainless steel factory is all by black volume annealing and pickling
Line is as individual production process, and the direct export trade of part acid-washed product, the good stainless steel blank examination paper of most pickling again arrive by handling
Rolling plant progress cold rolling is rolled thin.Cold rolling process is usually all to roll blank examination paper, single chassis reversable mill using reversable mill
Production capacity it is low, more single chassis reversable mills will usually be configured for the higher factory of some productivity ratios, take up an area more investments
Greatly.Some factories were also attempting multi-frame endless rolling in recent years, according to 4 rack of unusual setting of product thickness specification
Or 5 rack.Cold-rolled steel coils after rolling transport to again cold-rolling pickling workshop annealed, the processes such as pickling and finishing it is stainless to produce
The surfaces steel cold rolling 2B/2D（GB/T 3280-2007;EN 10088;JIS G4305）Product.From current public technology and reality
From the point of view of production status, annealing and pickling, the rolling of stainless steel blank examination paper and three production technologies of stainless steel cold belt annealing and pickling of black volume are all
It is separate process, only a small number of production plants link together the rolling of stainless steel blank examination paper and annealing and pickling technique, but do not have
The generation technique that black volume pickling and blank examination paper mill-annealed pickling are connected.
Because stainless steel output is low, Electrical Control Technology requires high, arranged apart production flexible, stainless steel hot-rolling volume（Black volume）
Product after pickling belongs to NO.1 plates, can be applicable in direct marketing and the no existing equipment of application and be produced in enormous quantities 2B/2D tables
The economization of face cold-rolled products produces.
101481778 B of Chinese patent CN disclose a kind of austenic stainless steel belt and its manufacturing method, cold-rolling process
Flow is：Thin strap continuous casting blank → pickling → cold rolling → annealing → pickling → smooth → longitudinal sectional → stainless steel product volume.Its raw material
Using continuous cast products, raw thickness 1mm~5mm, reduction ratio≤15% rolled after pickling is rolled down to the product thickness of needs
Secondary rolling process is needed, cannot once be rolled down to and need finished product thickness, the production process after the continuous casting material announced is common
Production process.
The production equipment of Chinese patent CN101844151B stainless steel strips of the same clan indian patent IN590DEL2010A
And its Discontinuous manufacture method, disclose a kind of Discontinuous manufacture method of stainless steel band, one or more unit first will be hot
It rolls black volume annealing, pickling and rolling and produces chill stainless-steel roll.Stainless steel chill volume is using uncoiling on Article 2 production line
→ annealing → pickling → finishing → is batched.
Utility model content
The technical problem to be solved by the present invention is to provide a kind of stainless steel cold-rolled plate continuous process systems so that heat
The black volume of stainless steel after rolling can save work on a tinuous production by that can produce 2B/2D stainless-steel cold-rolling products
Production finished product is taken up an area, saves plant investment and reduced in factory.
Disclosed technical solution is the utility model to solve above-mentioned technical problem：
A kind of stainless steel cold-rolled plate continuous process system, it is characterised in that：It is white including at least black volume pickling unit, stainless steel
Rolling unit, annealing and pickling unit, the black volume pickling unit, stainless steel blank examination paper rolling unit, annealing and pickling unit are sequentially
Link together composition tandem mill；It is not provided with intermediate annealing section between black volume pickling unit, stainless steel blank examination paper rolling unit.
Further, coiling machine is set to treated that coil of strip coils into again by uncoiling in the least significant end of tandem mill
Volume.
Further, the black volume pickling unit includes that black volume pickling section, two uncoilers, welding machine, tropical pickling enter
Mouth kink, two uncoilers are set up in parallel and the coil of strip head end after uncoiling is docked with welding machine front end；Coil of strip after welder
Head end is docked with tropical pickling entry loop, and tropical pickling entry loop is docked with black volume pickling section；The black volume pickling section is extremely
Few includes the descaling bath that can install pickle.
Further, inlet of rolling mill kink is set between the stainless steel blank examination paper rolling unit and black volume pickling unit, no
Rust steel blank examination paper rolling machine set outlet sets gradually cleaning section and milling train outlet looping.
Further, annealing and pickling unit includes the cold plate annealing furnace docked successively, cold belt pickling section, cold plate annealing furnace with
Stainless steel blank examination paper rolls the milling train outlet looping docking of unit, and cold belt pickling section is docked with cold belt pickling outlet looping.
Further, planisher, straightening are also set gradually after annealing and pickling unit and check that loop area collectively constitutes continuously
Unit.
Further, using the laser welder for meeting weld seam Direct Rolling；Black volume pickling section adds nitration mixture using sulfuric acid washing
HF+HNO3 pickling patterns, sulfuric acid washing is using 1 ~ 3 section of acid tank and the circulatory system is separately provided, and sulfuric acid concentration successively decreases successively, nitration mixture
Simultaneously the circulatory system is separately provided in 2 ~ 4 sections of descaling baths of Duan Caiyong, and nitration mixture pickling concentration is successively decreased successively.
Further, the mechanical dephosphorization equipment such as phosphorus, ball blast is broken in black volume pickling section front setting straightening, and drawing can not also be arranged
Rectify the direct pickling of the mechanical black volume of dephosphorization equipment such as broken phosphorus, ball blast；It is connected with kink between black volume pickling section and welding machine and tandem mill,
Ensure that strip is not shut down in pickling section.
Further, stainless steel blank examination paper rolling unit in, tandem mill using multi-frame joint rolling, be arranged 3 racks or with
Upper spider rolls.
Further, cold belt pickling section adds nitration mixture HF+HNO3 pickling patterns using neutral salt electrolysis, or uses neutral salt
It is electrolysed other inorganic acid pickling patterns.Planisher uses two rollers or four-roller planisher, and planisher can be that Stand Mill can also
It is single chassis, withdrawal straightening machine is arranged behind planisher further improves band steel plate type.Strip enters coiling machine volume by surface inspection
It takes coiled.
A kind of continuous producing method using above-mentioned stainless steel cold-rolled plate continuous process system, it is characterised in that：By hot rolling
The black volume of stainless steel is sent directly into the black volume pickling unit inlet of tandem mill as raw material afterwards, and the black volume of stainless steel is successively after hot rolling
After tandem mill processing, final production goes out stainless-steel cold-rolling product and does not need intermediate annealing process；
When using the first white skin coil of strip after the black volume annealing and pickling of stainless steel after hot rolling as raw material, the first white skin coil of strip
Successively after stainless steel blank examination paper rolls unit, annealing and pickling unit, smooth and straightening processing, it is directly becoming 2B/2D stainless steels
Product.
Compared with the existing technology, the utility model is by multiple works such as black volume pickling and the rolling of stainless steel blank examination paper, annealing and pickling
Sequence, which links together, forms tandem mill, directly produces 2B/2D products, saves the annealing of de-black volume, saves intermediate annealing, saves process
Between coil of strip allocation and transportation, improve lumber recovery, largely save factory construction land used and construction investment.The utility model simultaneously
The first white skin coil of strip after hot-rolled black-skin volume annealing and pickling can also be used as raw material, the first white skin coil of strip needs not move through black
Roll up pickling section, directly by by the first white skin coil of strip by being directly entered tandem mill on-line rolling, annealing, pickling after black volume pickling section
2B/2D stainless steel products are produced with finishing, do not need intermediate annealing.
Description of the drawings
Fig. 1 is the stainless steel cold-rolled plate continuous process system structural schematic diagram implemented according to the utility model；It is each attached in figure
Description of reference numerals is as follows：First uncoiler 1, the second uncoiler 2, welding machine 3, tropical pickling entry loop 4, black volume pickling section
5, inlet of rolling mill kink 6, tandem mill 7, cleaning section 8, milling train outlet looping 9, cold plate annealing furnace 10, cold belt pickling section 11, cold
Band pickling outlet looping 12, planisher 13, straightening and inspection loop area 14, coiling machine 15.
Specific embodiment
Below in conjunction with the accompanying drawings 1, the utility model stainless steel cold-rolled plate continuous process system is further described.
In stainless steel cold-rolled plate continuous process system as shown in Figure 1, including the first uncoiler 1, the second uncoiler 2,
Welding machine 3, tropical pickling entry loop 4, black volume pickling section 5, inlet of rolling mill kink 6, tandem mill 7, cleaning section 8, milling train go out
Mouth kink 9, cold plate annealing furnace 10, cold belt pickling section 11, cold belt pickling outlet looping 12, planisher 13, straightening and inspection are lived
Cover area 14, coiling machine 15.
First uncoiler 1 and the second uncoiler 2 have belt steel thickness 1mm ~ 8mm uncoiling abilities, take the lead magnetic tape trailer in welding machine 3
Place completes welding, good using laser welder weldquality, can cross tandem mill with Direct Rolling.Tropical pickling entry loop 4 is normal
In state is completely covered when production, set is put when strip welds to ensure black 5 strip continuous operation of volume pickling section.Black volume pickling section 5
Using sulfuric acid washing plus nitration mixture HF+HNO3 pickling patterns, sulfuric acid acid pickling is using 1 ~ 3 section of acid tank and the circulatory system is separately provided,
Sulfuric acid concentration successively decreases successively, and nitration mixture section is using 2 ~ 4 sections of descaling baths and the circulatory system is separately provided, and nitration mixture pickling concentration is passed successively
Subtract.
The mechanical dephosphorization equipment such as phosphorus, ball blast is broken in black 5 front of volume pickling section setting straightening, and it is less to remove most of iron scale
Pickling acid consumes.Straightening can not also be set and break the direct pickling of the mechanical black volume of dephosphorization equipment such as phosphorus, ball blast, pickling speed needs to reduce
Or acid tank length lengthens again.Inlet of rolling mill kink 6 be located at black volume pickling section 5 and tandem mill 7, between, ensure 7 roll change of tandem mill
When black 5 strip continuous operation of volume pickling section.Tandem mill 7 needs to could be provided as 3 racks or more according to raw material and product specification
Machine frame rolling mill, strip removes surfactant emulsion liquid or ROLLING OIL by cleaning section 8 after rolling.Belt steel surface Residual oil is needed through clear after rolling
It washes the cleaning of section 8 and goes divided by improve final finished surface quality, cleaning section 8 is rinsed using caustic dip or using high-pressure water heating.
Milling train outlet looping 9 ensures cold plate annealing furnace 10 and cold belt acid when mill roll between cleaning section 8 and cold plate annealing furnace 10
Strip in section 11 is washed not shut down.Using method is directly heated, the belt steel surface after heat treatment has one layer thin cold plate annealing furnace 10
Thin oxidation film needs to be removed with cold belt pickling section 11.Cold belt pickling section 11 adds nitration mixture HF+HNO3 pickling using neutral salt electrolysis
Mode, by controlling electric current, acid concentration and temperature etc. state modulator belt steel surface state.Strip passes through cold belt pickling after pickling
Outlet looping 12 enters planisher 13 and straightening and checks that loop area 14 carries out template and surface treatment, and belt steel surface is made to reach
To the delivery requirements of the surfaces 2B/2D.Cold belt pickling outlet looping 12 is arranged between cold belt pickling section 11 and planisher 13, ensures
Steel band continuous operation in cold plate annealing furnace 10 and cold belt pickling section 11 when mouthful shutting down.Last strip batches in rolls through coiling machine 15.
Claims (10)
1. a kind of stainless steel cold-rolled plate continuous process system, it is characterised in that：Including at least black volume pickling unit, stainless steel blank examination paper
Unit, annealing and pickling unit are rolled, the black volume pickling unit, stainless steel blank examination paper rolling unit, annealing and pickling unit sequentially connect
Be connected together composition tandem mill；It is not provided with intermediate annealing section between black volume pickling unit, stainless steel blank examination paper rolling unit.
2. stainless steel cold-rolled plate continuous process system according to claim 1, it is characterised in that：In the most end of tandem mill
End setting coiling machine is to by uncoiling, treated that coil of strip batches in rolls again.
3. stainless steel cold-rolled plate continuous process system according to claim 1, it is characterised in that：The black volume pickling machine
Group includes black volume pickling section, two uncoilers, welding machine, tropical pickling entry loop, and two uncoilers are set up in parallel and after uncoiling
Coil of strip head end docked with welding machine front end；Coil of strip head end after welder is docked with tropical pickling entry loop, torrid zone acid
Entry loop is washed to dock with black volume pickling section；The black volume pickling section includes at least the descaling bath that can install pickle.
4. stainless steel cold-rolled plate continuous process system according to claim 1, it is characterised in that：The stainless steel blank examination paper rolls
Inlet of rolling mill kink is set between unit processed and black volume pickling unit, and stainless steel blank examination paper rolling machine set outlet sets gradually cleaning section
With milling train outlet looping.
5. stainless steel cold-rolled plate continuous process system according to claim 1, it is characterised in that：Annealing and pickling unit includes
The cold plate annealing furnace that docks successively, cold belt pickling section, the milling train outlet looping of cold plate annealing furnace and stainless steel blank examination paper rolling unit
Docking, cold belt pickling section are docked with cold belt pickling outlet looping.
6. stainless steel cold-rolled plate continuous process system according to claim 1, it is characterised in that：After annealing and pickling unit also
It sets gradually planisher, straightening and checks that loop area collectively constitutes tandem mill.
7. stainless steel cold-rolled plate continuous process system according to claim 3, it is characterised in that：Welding machine, which uses, meets weld seam
The laser welder of Direct Rolling；Black volume pickling section adds nitration mixture HF+HNO3 pickling patterns using sulfuric acid washing, sulfuric acid washing using 1 ~
Simultaneously the circulatory system is separately provided in 3 sections of acid tanks, and nitration mixture section is using 2 ~ 4 sections of descaling baths and the circulatory system is separately provided.
8. stainless steel cold-rolled plate continuous process system according to claim 1, it is characterised in that：Black volume pickling section front is set
It sets straightening and breaks phosphorus, ball blast machinery dephosphorization equipment.
9. stainless steel cold-rolled plate continuous process system according to claim 1, it is characterised in that：Stainless steel blank examination paper roll mill
In group, tandem mill is arranged 3 racks or is rolled with upper spider using multi-frame joint rolling.
10. stainless steel cold-rolled plate continuous process system according to claim 9, it is characterised in that：Planisher uses two rollers
Or four-roller planisher, planisher are Stand Mill or single chassis.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721674799.8U CN207628885U (en) | 2017-12-04 | 2017-12-04 | A kind of stainless steel cold-rolled plate continuous process system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721674799.8U CN207628885U (en) | 2017-12-04 | 2017-12-04 | A kind of stainless steel cold-rolled plate continuous process system |
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| CN207628885U true CN207628885U (en) | 2018-07-20 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107962074A (en) * | 2017-12-04 | 2018-04-27 | 中冶南方工程技术有限公司 | A kind of stainless steel cold-rolled plate continuous process system and method |
| CN112129447A (en) * | 2020-11-25 | 2020-12-25 | 中国重型机械研究院股份公司 | Tension-straightening tension measuring device, system and method for strip cleaning tension-straightening unit |
-
2017
- 2017-12-04 CN CN201721674799.8U patent/CN207628885U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107962074A (en) * | 2017-12-04 | 2018-04-27 | 中冶南方工程技术有限公司 | A kind of stainless steel cold-rolled plate continuous process system and method |
| CN112129447A (en) * | 2020-11-25 | 2020-12-25 | 中国重型机械研究院股份公司 | Tension-straightening tension measuring device, system and method for strip cleaning tension-straightening unit |
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