Steel strand production device and electrolysis phosphating technology

A production device and electrolytic phosphating technology, applied in phosphating, engineering safety devices, manufacturing tools, etc., can solve the problems of poor phosphating effect, low production efficiency, complicated maintenance, etc., and achieve fast hot air speed and improved drying efficiency. , the effect of improving production efficiency

Active Publication Date: 2014-05-07
威海银兴预应力线材有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0015] The present invention aims at the technical problems of complex maintenance, low production efficiency and high cost in the existing technology for producing steel strands, and the technical problems of poor phosphating effect, low

Method used

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  • Steel strand production device and electrolysis phosphating technology
  • Steel strand production device and electrolysis phosphating technology
  • Steel strand production device and electrolysis phosphating technology

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0071] The phosphating solution contains zinc ions 45g / L, calcium ions 2g / L, phosphate ions 50g, nitrate ions 25g / L, accelerator sodium chlorate 0.2g / L and nickel ions 0.3g / L, steel wire rod For phosphating, the phosphating temperature is 10°C, the phosphating time is 5 seconds, the current density is 30A / d㎡, the film weight is 5g / ㎡, the phosphating film is dense and complete, and the color is gray and black.

Embodiment 2

[0073] The phosphating solution contains 85g / L of zinc ions, 6g / L of calcium ions, 125g / L of phosphate ions, 70g / L of nitrate ions, 1.1g / L of hydroxylamine sulfate accelerator and 3.4g / L of nickel ions. Phosphate strips, phosphating temperature is 30°C, phosphating time is 8 seconds, current density is 30 / d㎡, film weight is 8g / ㎡, the phosphating film is dense and complete, and the color is gray and black.

Embodiment 3

[0075] The phosphating solution contains 60g / L of zinc ions, 4g / L of calcium ions, 80g / L of phosphate ions, 50g / L of nitrate ions, 1.5g / L of accelerator sodium nitrite, and 6.4g / L of nickel ions. The wire rod is phosphating, the phosphating temperature is 50°C, the phosphating time is 10 seconds, the current density is 30A / d㎡, the film weight is 9.0g / ㎡, the phosphating film is dense and complete, and the color is dark gray.

[0076]In the foregoing embodiments, zinc ions can come from one or both of zinc ingots, zinc oxide, zinc nitrate, and zinc dihydrogen phosphate; calcium ions can come from one or both of calcium oxide, calcium carbonate, and calcium nitrate ; Phosphate ion can come from one or both of phosphoric acid, sodium dihydrogen phosphate, potassium dihydrogen phosphate, and zinc dihydrogen phosphate; nitrate ion can come from one or both of nitric acid and zinc nitrate; Accelerator It can come from one or three of nitrate, nitrite, chlorate, molybdate, hydroxylami...

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Abstract

The invention provides a steel strand production device and an electrolysis phosphating technology. The steel strand production device and the electrolysis phosphating technology are used for solving the technical problems of complicated maintenance, low production efficiency and relatively high cost in a conventional steel strand production technology and poor phosphating effect, low efficiency and high cost in a phosphating process in a production technology. The steel strand production device is provided with a steel bar straightening press, a peeling machine, a dust removal machine, an online phosphating saponification device, a wiredrawing device and a wire take-up device, wherein the online phosphating saponification device is provided with an electrolysis phosphating tank. The steel strand production device is also provided with a heating device, a surface conditioning device, a drying device and a wiredrawing protective device. The electrolysis phosphating technology provided by the invention can be widely applied to production of steel strands.

Description

technical field [0001] The invention relates to a production device and a phosphating process, in particular to a steel strand production device and an electrolytic phosphating process. Background technique [0002] We know that in the production process of the existing steel strands, the steel wire rods are peeled off first, then dust removal and surface conditioning are carried out, and then phosphating and boronizing (or saponification) processes are carried out after washing with clean water, and finally drawing is carried out. Processing to complete the production of steel strands. [0003] There are following main problems in the existing technology of producing steel strand: [0004] (1) During the skinning process of the steel wire rod, since the steel wire rod belongs to high-carbon steel and has poor toughness, when it enters the skinning machine, if the bending rate is large, it is very easy to be brittle, and when the bending rate is small, Peeling is incomplet...

Claims

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Application Information

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IPC IPC(8): B21C37/04B21C43/04B21C9/00B21C43/00F26B21/00F16P1/02C25D11/36C25D7/06
Inventor 丛日滋王福生谷昭柏戴江涛
Owner 威海银兴预应力线材有限公司
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