CN109201732A - The production method of the simple pickling wire rod of washing machine sunpender - Google Patents
The production method of the simple pickling wire rod of washing machine sunpender Download PDFInfo
- Publication number
- CN109201732A CN109201732A CN201710533797.5A CN201710533797A CN109201732A CN 109201732 A CN109201732 A CN 109201732A CN 201710533797 A CN201710533797 A CN 201710533797A CN 109201732 A CN109201732 A CN 109201732A
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- CN
- China
- Prior art keywords
- wire rod
- washing machine
- production method
- temperature
- rolling
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- 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.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B1/00—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations
- B21B1/16—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling wire rods, bars, merchant bars, rounds wire or material of like small cross-section
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B37/00—Control devices or methods specially adapted for metal-rolling mills or the work produced thereby
- B21B37/74—Temperature control, e.g. by cooling or heating the rolls or the product
-
- 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
- B21B45/0203—Cooling
-
- 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
- B21B45/04—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 de-scaling, e.g. by brushing
- B21B45/08—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 de-scaling, e.g. by brushing hydraulically
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
Abstract
The invention discloses a kind of washing machine sunpender production methods of simple pickling wire rod, and the method includes heating steel billet, dephosphorization, rolling, cooling process, the heating process uses two-part heating method.The method of the present invention is easy to operate, original combustion auxiliary material is conventional item, it is a kind of new process for producing the simple pickling wire rod of washing machine sunpender, method is suitable for diameter and is not more than 10mm hot rolling wire rod, wire rod scale on surface structure and ingredient are controlled, guarantees it under the conditions of pickling or mechanical descaling convenient for removal.The method of the present invention heating temperature is suitable, and roller repairing is reasonable, realizes efficient production, practical reference value with higher.
Description
Technical field
The invention belongs to metallurgical technology fields, and in particular to a kind of production method of the simple pickling wire rod of washing machine sunpender.
Background technique
Currently, production washing machine sunpender wire rod, due to needing by surface de-scaling, to wire rod scale on surface structure
It is higher with component requirements, wire rod scale on surface structure and ingredient it is improper to will lead to de-scaling not clean, and then influence it is zinc-plated after
Finished surface quality.Wire rod scale on surface structure and ingredient mainly with finishing temperature, cooling technique, steel matrix chemical component
Etc. factors it is related.To guarantee that wire rod scale on surface structure and ingredient are suitable, the method for the present invention is from the above link to production work
Skill is controlled, and in order to reduce influence of the scaling loss to slab iron scale, strict control slab heating cycle to the greatest extent, including is added
Thermal velocity, temperature control, time control and Atmosphere Control.After steel billet is come out of the stove, using high-pressure water descaling you, operation of rolling control
Temperature processed, and then control the thickness and component of internal layer iron scale；After rolling, Stevr rub delay chilling control outer oxide iron sheet
Thickness and structure.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of washing machine sunpender production methods of simple pickling wire rod；This hair
Bright method is suitable for diameter and is not more than 10mm hot rolling wire rod, controls wire rod scale on surface structure and ingredient, guarantee its
Convenient for removal under the conditions of pickling or mechanical descaling.
In order to solve the above technical problems, the technical solution used in the present invention is: a kind of simple pickling disk of washing machine sunpender
The production method of item, the method includes heating steel billet, dephosphorization, rolling, cooling processes；The heating process is added using two-part
Hot mode.
Heating process of the present invention, when heating steel billet, 500~750 DEG C of preheating section temperature, one section 900 of bringing-up section temperature
~1030 DEG C, two sections 1030~1100 DEG C.
Heating process of the present invention, 1050~1100 DEG C of soaking section temperature, 100~160min of heating time, residual oxygen value
Control is below 6%.
Dephosphorization process of the present invention, steel billet are come out of the stove rear surface de-scaling, high-pressure water pressure >=15MPa.
Rolling process of the present invention, 950~1020 DEG C of start rolling temperature, into 870~920 DEG C of final rolling temperature, into RSM(RSM
To subtract sizing mm finishing mill unit) 870~900 DEG C of temperature.
Rolling process of the present invention, 900-920 DEG C of wire rod laying temperature.
Cooling process of the present invention, rub cooling insulation cover of Stevr are all closed, and blower is all closed, and is dissipated winding up roller road and is entered
Mouth 15~17m/min of speed, is incremented by step by step later, and incremental change is not more than the 5% of upper section speed；Wind sheltering stacking is slow after offline
It is cooling, remove end to end not cold forging interference sections.
The method of the invention is suitable for diameter≤10mm hot rolling wire rod.
Washing machine sunpender of the present invention is with the chemical component formula of simple pickling wire rod:
Washing machine sunpender of the present invention refers to Q/HG041-2015 cold-heading carbon steel wire rod with simple pickling wire rod product standard.
The beneficial effects of adopting the technical scheme are that 1, the method for the present invention is easy to operate, original combustion auxiliary material is equal
It is a kind of new process for producing the simple pickling wire rod of washing machine sunpender for conventional item.2, the method for the present invention heating temperature is suitable,
Roller repairing is reasonable, realizes efficient production, practical reference value with higher.3, it is little to be suitable for diameter for the method for the present invention
In 10mm hot rolling wire rod, temperature is controlled by the operation of rolling, and then control the thickness and component of innermost layer iron scale, after rolling
Stevr rub delay chilling control outer oxide iron sheet thickness, ingredient and structure, guarantee it in pickling or mechanical descaling condition
It is lower to be convenient for removal.
Detailed description of the invention
Fig. 1 is to roll rear surface scale structure figure in embodiment 1；
Fig. 2 is to roll rear surface scale structure figure in embodiment 2；
Fig. 3 is to roll rear surface scale structure figure in embodiment 3.
Specific embodiment
The present invention will be further described in detail below with reference to specific embodiments.
Embodiment 1
The present embodiment washing machine sunpender is φ 8mm with simple pickling wire rod specification, and chemical component composition and mass percentage are shown in Table
1。
The simple pickling Production method for wire rod of the present embodiment washing machine sunpender includes heating steel billet, dephosphorization, rolling, bosher
Sequence, specific process step are as described below:
(1) heating process: when heating steel billet, 620 DEG C of preheating section temperature, one section 950 DEG C of bringing-up section temperature, two sections 1060 DEG C,
1080 DEG C of hot arc temperature, heating time 125min, residual oxygen value control is 3%；
(2) dephosphorization process: steel billet is come out of the stove rear surface de-scaling, high-pressure water pressure 15MPa；
(3) rolling process: 990 DEG C of start rolling temperature, into 900 DEG C of final rolling temperature, into 890 DEG C of RSM temperature, wire rod laying temperature 905
℃；
(4) cooling process: after rolling, rub cooling insulation cover of Stevr is all closed, and blower is all closed, and winding up roller road entrance velocity is dissipated
15m/min is incremented by step by step later, incremental change 5%.
It rolls rear surface scale structure and sees Fig. 1,36 μm of iron scale thickness.
Product is sent to user, into before pickling tube, opens bundle waist roping line, impregnates 20min in the hydrochloric acid of acidity 30%, take
Rear surface neutralizes out, the simple pickling wire rod pickling rear surface non-oxidation iron sheet of the washing machine sunpender under manufacturing condition of the present invention
Residual.
Guarantee scale structure and component convenient for following process removal by the technical controlling of process above measure.Finally
Guarantee the requirement of wire rod letter pickling removal surface oxidation iron, the washing machine sunpender letter pickling wire rod that production specification is φ 8mm, into
Row pickling tests 200 tons, and pickling rear surface iron scale removes qualification rate 100%, realizes that simple pickling removes scale on surface.
Embodiment 2
The present embodiment washing machine sunpender is φ 10mm with simple pickling wire rod specification, and chemical component composition and mass percentage are shown in Table
2:
The simple pickling Production method for wire rod of the present embodiment washing machine sunpender includes heating steel billet, dephosphorization, rolling, cooling process, tool
That steps are as follows is described for body technology:
(1) heating process: when heating steel billet, 500 DEG C of preheating section temperature, one section 900 DEG C of bringing-up section temperature, two sections 1030 DEG C,
1050 DEG C of hot arc temperature, heating time 100min, residual oxygen value control is 6%；
(2) dephosphorization process: steel billet is come out of the stove rear surface de-scaling, high-pressure water pressure 16MPa；
(3) rolling process: 950 DEG C of start rolling temperature, into 870 DEG C of final rolling temperature, into 870 DEG C of RSM temperature, wire rod laying temperature 900
℃；
(4) cooling process: after rolling, rub cooling insulation cover of Stevr is all closed, and blower is all closed, and winding up roller road entrance velocity is dissipated
17m/min is incremented by step by step later, incremental change 4%.
It rolls rear surface scale structure and sees Fig. 2,18 μm of iron scale thickness.
Product is sent to user, into before pickling tube, opens bundle waist roping line, impregnates 18min in the hydrochloric acid of acidity 30%, take
Rear surface neutralizes out, wire rod pickling rear surface non-oxidation iron sheet residual.
Embodiment 3
The present embodiment washing machine sunpender is φ 6.5mm with simple pickling wire rod specification, and chemical component composition and mass percentage are shown in
Table 3:
The simple pickling Production method for wire rod of the present embodiment washing machine sunpender includes heating steel billet, dephosphorization, rolling, cooling process, tool
That steps are as follows is described for body technology:
(1) heating process: when heating steel billet, 750 DEG C of preheating section temperature, one section 1030 DEG C of bringing-up section temperature, two sections 1100 DEG C,
1100 DEG C of hot arc temperature, heating time 160min, residual oxygen value control is 4%；
(2) dephosphorization process: steel billet is come out of the stove rear surface de-scaling, high-pressure water pressure 17MPa；
(3) rolling process: 1020 DEG C of start rolling temperature, into 920 DEG C of final rolling temperature, into 900 DEG C of RSM temperature, wire rod laying temperature 920
℃；
(4) cooling process: after rolling, rub cooling insulation cover of Stevr is all closed, and blower is all closed, and winding up roller road entrance velocity is dissipated
16m/min is incremented by step by step later, incremental change 3%.
It rolls rear surface scale structure and sees Fig. 3,39 μm of iron scale thickness.
Product is sent to user, into before pickling tube, opens bundle waist roping line, impregnates 23min in the hydrochloric acid of acidity 30%, take
Rear surface neutralizes out, the simple pickling wire rod pickling rear surface non-oxidation iron sheet residual of washing machine sunpender produced by the invention.
The present invention guarantees that scale structure and component are gone convenient for following process by the technical controlling of process above measure
It removes.The final requirement for guaranteeing wire rod letter pickling removal surface oxidation iron, the simple pickling of the washing machine sunpender that production specification is φ 8mm
Wire rod carries out pickling and tests 300 tons, and pickling rear surface iron scale removes qualification rate 100%, realizes that simple pickling removes Surface Oxygen
Change iron sheet.
The above embodiments are only used to illustrate and not limit the technical solutions of the present invention, although referring to above-described embodiment to this hair
It is bright to be described in detail, those skilled in the art should understand that: still the present invention can be modified or be waited
With replacement, without departing from the spirit or scope of the invention, or any substitutions, should all cover in power of the invention
In sharp claimed range.
Claims (8)
1. a kind of washing machine sunpender production method of simple pickling wire rod, which is characterized in that the method includes heating steel billet, remove
Phosphorus, rolling, cooling process；The heating process uses two-part heating method.
2. a kind of washing machine sunpender according to claim 1 production method of simple pickling wire rod, which is characterized in that described
Heating process, when heating steel billet, 500~750 DEG C of preheating section temperature, one section 900~1030 DEG C of bringing-up section temperature, two section 1030~
1100℃。
3. a kind of washing machine sunpender according to claim 1 production method of simple pickling wire rod, which is characterized in that described
Heating process, 1050~1100 DEG C of soaking section temperature, 100~160min of heating time, residual oxygen value control is below 6%；Guarantee steel
Base homogeneous heating.
4. a kind of production method of simple pickling wire rod of washing machine sunpender according to claim 1 to 3, special
Sign is, the dephosphorization process, and steel billet is come out of the stove rear surface de-scaling, high-pressure water pressure >=15MPa.
5. a kind of production method of simple pickling wire rod of washing machine sunpender according to claim 1 to 3, special
Sign is, the rolling process, 950~1020 DEG C of start rolling temperature, into 870~920 DEG C of final rolling temperature, into RSM temperature 870~
900℃。
6. a kind of production method of simple pickling wire rod of washing machine sunpender according to claim 1 to 3, special
Sign is, the rolling process, 900-920 DEG C of wire rod laying temperature.
7. a kind of production method of simple pickling wire rod of washing machine sunpender according to claim 1 to 3, special
Sign is, the cooling process, and the Stevr cooling insulation cover that rubs all is closed, and blower is all closed, and winding up roller road entrance velocity is dissipated
15~17m/min is incremented by step by step later, and incremental change is not more than the 5% of upper section speed.
8. a kind of production method of simple pickling wire rod of washing machine sunpender according to claim 1 to 3, special
Sign is that the method is suitable for diameter≤10mm hot rolling wire rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710533797.5A CN109201732A (en) | 2017-07-03 | 2017-07-03 | The production method of the simple pickling wire rod of washing machine sunpender |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710533797.5A CN109201732A (en) | 2017-07-03 | 2017-07-03 | The production method of the simple pickling wire rod of washing machine sunpender |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109201732A true CN109201732A (en) | 2019-01-15 |
Family
ID=64993314
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710533797.5A Withdrawn CN109201732A (en) | 2017-07-03 | 2017-07-03 | The production method of the simple pickling wire rod of washing machine sunpender |
Country Status (1)
| Country | Link |
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| CN (1) | CN109201732A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111974798A (en) * | 2020-07-24 | 2020-11-24 | 柳州钢铁股份有限公司 | Method for increasing thickness of iron scale on surface of wire rod |
| CN114406031A (en) * | 2022-01-20 | 2022-04-29 | 中天钢铁集团有限公司 | Rolling process for high-speed drawing of welding wire steel |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111974798A (en) * | 2020-07-24 | 2020-11-24 | 柳州钢铁股份有限公司 | Method for increasing thickness of iron scale on surface of wire rod |
| CN114406031A (en) * | 2022-01-20 | 2022-04-29 | 中天钢铁集团有限公司 | Rolling process for high-speed drawing of welding wire steel |
| CN114406031B (en) * | 2022-01-20 | 2024-05-28 | 中天钢铁集团有限公司 | Rolling technology for high-speed drawing welding wire steel |
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Application publication date: 20190115 |