Rust removing process for steel plate surface

A steel plate and process technology, applied in the field of rust removal technology on the surface of steel plates, can solve the problem of inconvenient rust removal, and achieve the effects of convenient spraying, saving time and ensuring work efficiency

Inactive Publication Date: 2018-09-28
海宁鑫墨香印刷有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] Although the derusting method disclosed in this patent does not produce pollution, the iron product needs to be manually turned over repeatedly in the

Method used

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  • Rust removing process for steel plate surface
  • Rust removing process for steel plate surface

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Embodiment Construction

[0028] The following are specific embodiments of the present invention and in conjunction with the accompanying drawings, the technical solutions of the present invention are further described, but the present invention is not limited to these embodiments.

[0029] The derusting process on the surface of the steel plate comprises the following steps:

[0030] a, by weight, weigh 15-25 parts of polyglutamic acid, 22-28 parts of complexing agent, 10-16 parts of sodium carbonate, 10-15 parts of sodium chloride, 8-16 parts of vinegar and 8- 12 parts were put into the blender, mixed and stirred evenly, and the antirust agent was obtained; 12 parts of vinegar and 9 parts of water are put into the blender, mixed and stirred evenly, and the antirust agent is obtained; the complexing agent adopts the existing auxiliary agent available on the market;

[0031] b. Place the steel plate vertically on the plywood in the spraying device;

[0032] c. Spray the rust remover evenly on both su...

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Abstract

The invention provides a rust removing process for a steel plate surface. By means of the rust removing process for the steel plate surface, the technical problems that in an existing rust removing method, manual work is needed for repeatedly turning faces of ironwork, and rust removing is not convenient are solved. The rust removing process for the steel plate surface comprises the following steps that a, by weight, 15-25 parts of polyglutamic acid, 22-28 parts of a complexing agent, 10-16 parts of sodium carbonate, 10-15 parts of sodium chloride, 8-16 parts of vinegar and 8-12 parts of waterare weighed and put into a mixer to be mixed and stirred to be uniform, and an antirust agent is prepared; b a steel plate is vertically put on a clamping plate in a spraying device; c, the antirustagent is evenly sprayed to the two surfaces of the steel plate through the spraying device; and d, the sprayed steel plate is put into an oven, the drying temperature is 120 DEG C-140 DEG C, and the drying time is 2 min-5 min. The rust removing process has the beneficial effect that rust removing is convenient.

Description

technical field [0001] The invention relates to a process for removing rust on the surface of a steel plate. Background technique [0002] The steel plate is a flat steel material that is poured with molten steel and pressed after cooling. The steel plate is prone to rust when placed outdoors or in the open air, which not only affects the appearance quality, but also affects the normal progress of painting, bonding and other processes. If it is not handled in time, it will cause scrapping of materials and unnecessary economic losses. [0003] After searching, for example, Chinese patent literature discloses a green and environmentally friendly iron product rust removal method [application number: 201710939588.0; publication number: CN 107653485A]. This green and environment-friendly rust removal method for iron products is characterized in that it comprises the following steps: (1) placing an electrolyte solution in a holding tank, the electrolyte solution is mixed by sulfu...

Claims

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Application Information

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IPC IPC(8): B05D7/24B05B13/02B05B15/628C09D177/04C09D7/61C09D7/63C09D5/08
CPCB05D7/24B05B13/0271B05B13/0285B05B15/628C09D5/08C09D7/61C09D7/63C09D177/04C08K3/26C08K3/16C08K5/09
Inventor 庄卫平
Owner 海宁鑫墨香印刷有限公司
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