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Steel surface acid pickling treatment system

A treatment system and surface acid technology, applied in the field of steel surface pickling treatment system, can solve the problem of waste of acid liquid resources, and achieve the effect of saving floor space, convenient operation and saving resources

Pending Publication Date: 2020-09-04
江苏常宏玻璃钢有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In order to improve the resource waste of acid solution in related technologies, this application provides a steel surface pickling treatment system

Method used

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  • Steel surface acid pickling treatment system
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  • Steel surface acid pickling treatment system

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Embodiment Construction

[0033] The application will be described in further detail below in conjunction with the accompanying drawings.

[0034] A steel surface pickling treatment system disclosed in the embodiment of the application, such as figure 1 As shown, it includes a new acid tank 9 , an acid solution heater 10 , a steel pickling tank 1 , a filter tank 15 and a circulating hot acid tank 14 . The new acid tank 9, the acid heater 10 and the steel pickling tank 1 are connected by pipelines, the top wall of the circulating hot acid tank 14 is provided with a connection port 141, and the filter tank 15 is located above the circulating hot acid tank 14. The outlet of 15 is connected with connecting port 141 flanges.

[0035] New acid is stored in the new acid tank 9, and is pumped to the acid heater 10 for heating through the pipeline, and the heated acid is pumped to the steel pickling tank 1 through the pipeline, and the new acid tank 9 stops when the pickling amount is reached Supply acid for ...

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Abstract

The invention relates to a steel surface acid pickling treatment system, and belongs to the field of steel surface treatment. The steel surface acid pickling treatment system comprises a new acid tank, an acid liquid heater and a steel acid pickling tank with the upper end provided with an opening, wherein the new acid tank, the acid liquid heater and the steel acid pickling tank are sequentiallyconnected through a pipeline. A cyclic heat acid tank and a filter tank are further included. An acid liquid outlet of the steel acid pickling tank is connected with an inlet of the filter tank. A filter piece is arranged in the filter tank. An outlet of the filter tank is connected with an inlet of the cyclic heat acid tank. An outlet of the cyclic heat acid tank is connected with a pipeline between the new acid tank and the acid liquid heater. According to the acid pickling treatment system, acid liquid can be cyclically utilized at constant temperature, equipment used for three procedures of acid pickling, alkali washing and water washing of steel is combined, and accordingly the effects of high efficiency and energy saving are achieved.

Description

technical field [0001] The present application relates to the technical field of steel surface treatment, in particular to a steel surface pickling treatment system. Background technique [0002] Sulfur print test is a method to detect the surface quality of steel, which can display the central cracks, segregation lines, low-magnification structure and inclusion distribution of steel ingots and continuous casting slabs. Before the sulfur printing test, the steel needs to be pickled. Pickling is one of the most commonly used methods to clean the metal surface. The pickling solution generally includes solutions such as hydrochloric acid, sulfuric acid, phosphoric acid and hydrofluoric acid. [0003] The pickling system used in the steel sulfur printing test in the related art includes a new acid tank, an acid heater and a steel pickling tank, and the acid in the new acid tank is heated by the acid heater and then passed into the steel pickling tank , The steel can be pickled ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C23G3/00C23G1/36B08B15/00B08B3/02
CPCC23G3/00C23G1/36B08B15/007B08B3/02
Inventor 徐小锋
Owner 江苏常宏玻璃钢有限公司
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