CN111715689A - 一种冷轧钢筋加工工艺 - Google Patents
一种冷轧钢筋加工工艺 Download PDFInfo
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- CN111715689A CN111715689A CN202010605526.8A CN202010605526A CN111715689A CN 111715689 A CN111715689 A CN 111715689A CN 202010605526 A CN202010605526 A CN 202010605526A CN 111715689 A CN111715689 A CN 111715689A
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- 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
- B05D7/14—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials to metal, e.g. car bodies
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- 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
- B21B1/46—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 metal immediately subsequent to continuous casting
- B21B1/463—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 metal immediately subsequent to continuous casting in a continuous process, i.e. the cast not being cut before rolling
-
- 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
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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
- B21B45/04—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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21F—WORKING OR PROCESSING OF METAL WIRE
- B21F1/00—Bending wire other than coiling; Straightening wire
- B21F1/02—Straightening
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
- B24C1/00—Methods for use of abrasive blasting for producing particular effects; Use of auxiliary equipment in connection with such methods
- B24C1/08—Methods for use of abrasive blasting for producing particular effects; Use of auxiliary equipment in connection with such methods for polishing surfaces, e.g. smoothing a surface by making use of liquid-borne abrasives
- B24C1/086—Descaling; Removing coating films
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- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Metal Rolling (AREA)
Abstract
本发明公开了一种冷轧钢筋加工工艺,具体包括以下步骤:S1:在钢炉中的钢模中浇筑钢水,定型冷却后经热轧形成热轧钢筋;S2:将步骤S1得到的热轧钢筋除磷,引入轧机进行冷轧、冷扭;S3:将步骤S2中经过冷轧、冷扭后的钢筋,通过应力消除机消除冷轧应力;S4:将步骤S3中消除冷轧应力的钢筋进行除锈;S5:将步骤S4中除锈后的钢筋进行调直;通过对其进行应力消除冷轧过程中产生的内应力,提高成品的延伸率和抗拉强度,能够有效地缩短生产周期,降低生产成本,钢筋同一部位经过连续的多次喷砂工序完全克服了喷嘴将砂粒喷打在钢筋上,使得钢筋上各点的砂粒分布不均的问题。
Description
技术领域
本发明涉及钢筋加工技术领域,具体涉及一种冷轧钢筋加工工艺。
背景技术
冷轧带肋钢筋是热轧圆盘条经冷轧后,在其表面带有沿长度方向均匀分布的三面或二面横肋的钢筋。冷轧钢筋在预应力混凝土构件中,是冷拔低碳钢丝的更新换代产品,在现浇混凝土结构中,则可代换Ⅰ级钢筋,以节约钢材,是同类冷加工钢材中较好的一种。传统工艺生产出来的钢筋,由于未对钢筋的表面进行防锈、除锈处理,而导致不易与混凝土结合,而影响工程的质量。
发明内容
本发明的目的在于针对现有技术的不足之处,提供一种冷轧钢筋加工工艺。
本发明解决上述问题的技术方案为:一种冷轧钢筋加工工艺,具体包括以下步骤:
S1:在钢炉中的钢模中浇筑钢水,定型冷却后经热轧形成热轧钢筋;
S2:将步骤S1得到的热轧钢筋除磷,引入轧机进行冷轧、冷扭;
S3:将步骤S2中经过冷轧、冷扭后的钢筋,通过应力消除机消除冷轧应力;
S4:将步骤S3中消除冷轧应力的钢筋进行除锈;
S5:将步骤S4中除锈后的钢筋进行调直。
进一步的,在步骤S2除磷时采用高高压喷射喷嘴进行多次高压喷砂除磷。
进一步的,所述高压喷射喷嘴与钢筋的夹角为30-60度。
进一步的,喷射压力为25.0-50.0MPa,所述高压喷射喷嘴与砂丸箱分别和功率为150-300kw的高压水泵连接,所述高压水泵通过功率为15-30kw的大水泵与水池连接。
进一步的,在步骤S4中的除锈方法为:将钢筋除锈剂倒入高压环形喷枪,将钢筋依次推入高压环形喷枪,高压环形喷枪把钢筋除锈剂均匀的喷涂到钢筋表面,将喷涂过钢筋除锈剂的钢筋进行烘干干燥。
进一步的,在步骤S5中的调直方法为:将待处理的钢筋送入加热炉中进行预热处理,预热处理后的钢筋便于调直;将预热后的钢筋送入调直机中进行调直。
进一步的,在调直机的出料一侧固接安装喷液头,喷液头对调直后的钢筋喷涂防锈剂。
本发明具有有益效果:
本发明提供了一种冷轧钢筋加工工艺,通过对其进行应力消除冷轧过程中产生的内应力,提高成品的延伸率和抗拉强度,能够有效地缩短生产周期,降低生产成本,钢筋同一部位经过连续的多次喷砂工序完全克服了喷嘴将砂粒喷打在钢筋上,使得钢筋上各点的砂粒分布不均的问题,不会使钢筋表面产生凹坑,表面硬化等现象,高压喷射喷嘴与钢筋的夹角为30-60度,提高了除锈除鳞的效果,改进了处理效果。
具体实施方式
在本发明的描述中,需要说明的是,除非另有明确的规定和限定,术语“安装”、“相连”、“连接”应做广义理解,例如,可以是固定连接,也可以是可拆卸连接,或一体地连接;可以是机械连接,也可以是电连接;可以是直接相连,也可以通过中间媒介间接相连,可以是两个元件内部的连通。对于本领域的普通技术人员而言,可以通过具体情况理解上述术语在本发明中的具体含义。
一种冷轧钢筋加工工艺,具体包括以下步骤:
S1:在钢炉中的钢模中浇筑钢水,定型冷却后经热轧形成热轧钢筋;
S2:将步骤S1得到的热轧钢筋除磷,引入轧机进行冷轧、冷扭,除磷时采用高高压喷射喷嘴进行多次高压喷砂除磷,所述高压喷射喷嘴与钢筋的夹角为30-60度,喷射压力为25.0-50.0MPa,所述高压喷射喷嘴与砂丸箱分别和功率为150-300kw的高压水泵连接,所述高压水泵通过功率为15-30kw的大水泵与水池连接;
S3:将步骤S2中经过冷轧、冷扭后的钢筋,通过应力消除机消除冷轧应力;
S4:将步骤S3中消除冷轧应力的钢筋进行除锈,将钢筋除锈剂倒入高压环形喷枪,将钢筋依次推入高压环形喷枪,高压环形喷枪把钢筋除锈剂均匀的喷涂到钢筋表面,将喷涂过钢筋除锈剂的钢筋进行烘干干燥;
S5:将步骤S4中除锈后的钢筋进行调直,将待处理的钢筋送入加热炉中进行预热处理,预热处理后的钢筋便于调直;将预热后的钢筋送入调直机中进行调直;在调直机的出料一侧固接安装喷液头,喷液头对调直后的钢筋喷涂防锈剂。
本发明通过对其进行应力消除冷轧过程中产生的内应力,提高成品的延伸率和抗拉强度,能够有效地缩短生产周期,降低生产成本,钢筋同一部位经过连续的多次喷砂工序完全克服了喷嘴将砂粒喷打在钢筋上,使得钢筋上各点的砂粒分布不均的问题,不会使钢筋表面产生凹坑,表面硬化等现象,高压喷射喷嘴与钢筋的夹角为30-60度,提高了除锈除鳞的效果,改进了处理效果
以上所述,仅是本发明的较佳实施例而已,并非是对本发明作其它形式的限制,任何熟悉本专业的技术人员可能利用上述揭示的技术内容加以变更或改型为等同变化的等效实施例应用于其它领域,但是凡是未脱离本发明技术方案内容,依据本发明的技术实质对以上实施例所作的任何简单修改、等同变化与改型,仍属于本发明技术方案的保护范围。
Claims (7)
1.一种冷轧钢筋加工工艺,其特征在于:具体包括以下步骤:
S1:在钢炉中的钢模中浇筑钢水,定型冷却后经热轧形成热轧钢筋;
S2:将步骤S1得到的热轧钢筋除磷,引入轧机进行冷轧、冷扭;
S3:将步骤S2中经过冷轧、冷扭后的钢筋,通过应力消除机消除冷轧应力;
S4:将步骤S3中消除冷轧应力的钢筋进行除锈;
S5:将步骤S4中除锈后的钢筋进行调直。
2.如权利要求1所述的一种冷轧钢筋加工工艺,其特征在于:在步骤S2除磷时采用高高压喷射喷嘴进行多次高压喷砂除磷。
3.如权利要求2所述的一种冷轧钢筋加工工艺,其特征在于:所述高压喷射喷嘴与钢筋的夹角为30-60度。
4.如权利要求2或3所述的一种冷轧钢筋加工工艺,其特征在于:喷射压力为25.0-50.0MPa,所述高压喷射喷嘴与砂丸箱分别和功率为150-300kw的高压水泵连接,所述高压水泵通过功率为15-30kw的大水泵与水池连接。
5.如权利要求1所述的一种冷轧钢筋加工工艺,其特征在于:在步骤S4中的除锈方法为:将钢筋除锈剂倒入高压环形喷枪,将钢筋依次推入高压环形喷枪,高压环形喷枪把钢筋除锈剂均匀的喷涂到钢筋表面,将喷涂过钢筋除锈剂的钢筋进行烘干干燥。
6.如权利要求1所述的一种冷轧钢筋加工工艺,其特征在于:在步骤S5中的调直方法为:将待处理的钢筋送入加热炉中进行预热处理,预热处理后的钢筋便于调直;将预热后的钢筋送入调直机中进行调直。
7.如权利要求6所述的一种冷轧钢筋加工工艺,其特征在于:在调直机的出料一侧固接安装喷液头,喷液头对调直后的钢筋喷涂防锈剂。
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN113441567A (zh) * | 2021-03-19 | 2021-09-28 | 河北桥建金属制品有限公司 | 一种用于crb600h高延性冷轧带肋的钢筋生产方法 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN113441567A (zh) * | 2021-03-19 | 2021-09-28 | 河北桥建金属制品有限公司 | 一种用于crb600h高延性冷轧带肋的钢筋生产方法 |
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Application publication date: 20200929 |