Steel pipe close-range inner and outer wall flushing device after acid pickling

Abstract

The invention discloses a steel pipe close-range inner and outer wall flushing device after acid pickling. The steel pipe close-range inner and outer wall flushing device after acid pickling comprisesa liquid storage and supply mechanism, a flow divider, a first high-pressure hose, a second high-pressure hose, a steel pipe placing table, a pipeline conveying mechanism, an inner wall flushing mechanism and an outer wall flushing mechanism, the liquid storage and supply mechanism comprises a water storage tank, a high-pressure pump and a high-pressure main pipe, the high-pressure pump is arranged in the water storage tank filled with flushing fluid, an output port of the high-pressure pump is connected with one end of the high-pressure main pipe, the other end of the high-pressure main pipeis connected with a water inlet of the flow divider; and the flow divider is provided with two water outlets, one end of the first high-pressure hose and one end of the second high-pressure hose areconnected to the two water outlets of the flow divider respectively, the other end of the first high-pressure hose is connected with the inner wall flushing mechanism after being conveyed by the pipeline conveying mechanism, and the other end of the second high-pressure hose is connected with the outer wall flushing mechanism. According to the steel pipe close-range inner and outer wall flushing device, the inner wall of a steel pipe can be efficiently and automatically washed, the whole process is high in automation degree, manual labor is not needed, and damage to the body of an operator isavoided.

Description

technical field [0001] The invention relates to the field of flushing the inner wall of a steel pipe, and more specifically relates to a short-distance flushing device for the inner and outer walls of a steel pipe after pickling. Background technique [0002] Due to its characteristics, steel pipes are widely used in various industries, mainly in chemical, petroleum, machinery, industry, aerospace, daily life and other fields. It is widely used in industry. Among them, the steel pipes of fluid conveying pipes, tap water pipes, medical pipes, and natural gas pipes have a large length-to-diameter ratio, and their length-to-diameter ratio is greater than 90. Because the inner diameter of the steel pipe is small, the steel pipe is formed during the forming process and after a long time. After the use of steel pipes, thicker dirt and scale will form on the surface of the steel pipe. After pickling these steel pipes, most of the dirt and scale on the surface will be removed, but t...

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Problems solved by technology

[0004] The purpose of the present invention is to solve the problems that the existing steel pipes with a diameter of 50-100mm are processed and decontaminated by manual hand-held nozzle cleaning, resulting in great power consumption, serious waste of water resources, and serious physical injury to the operator. A close-range inner and outer wall washing device for steel pipes after pickling, which is a self-rotating and self-advancing nozzle and a steel pipe inner wall cleaning device with a diameter of less than 40mm, which can effectively remove dirt and oxide skin at a short distance between the head and the steel pipe, and reduce the pressure during cleaning , flow, thus saving water resources and electric energy

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