Jet-type steel pipe surface concrete and rust removal device and removal method

Abstract

The invention discloses a jet-type steel pipe surface concrete and iron rust removing device and a removing method. the jet-type steel pipe surface concrete and iron rust removing device comprises an air compressor, a high-pressure gas cylinder and an abrasive tank, wherein three conveying rack are arranged on one side of the abrasive tank at intervals; a primary crushing mechanism and a jet crushing mechanism are separately arranged among the adjacent conveying racks; a jet three-way valve is arranged on a pipeline between the lower end of a gas three-way valve and the lower end of the abrasive tank; and the other outlet of the jet three-way valve communicates with a jet pipeline which is connected with the jet crushing mechanism. The jet-type steel pipe surface concrete and iron rust removing device is reasonable in structure and simple in device; manpower and material input can be reduced; labor intensity is lowered; and the jet-type steel pipe surface concrete and iron rust removing device is safe and reliable. According to the jet-type steel pipe surface concrete and iron rust removing device and the removing method, steps are reasonably arranged; the process is simple; cleaning work for concrete ash and iron rust on the surface of a steel pipe can be simultaneously realized; power for advancing of the steel pipe is provided; when the steel pipe advances to the jet crushing mechanism, residual concrete ash and iron rust are removed through nozzles; operation is not limited by sites; and the working efficiency is high.

Description

technical field [0001] The invention belongs to the technical field of removing concrete and rust on the surface of steel pipes, in particular to a jet-type device and method for removing concrete and rust on the surface of steel pipes used for scaffolding in building construction. Background technique [0002] At present, with the rapid development of my country's economy and the gradual advancement of urbanization, more and more steel pipes will be used to build scaffolding during construction. However, in the process of pouring concrete, a certain amount of concrete will be bonded to the surface of the steel pipe, and in order to ensure the safety of scaffolding, it is necessary to ensure that the connection parts of the fasteners are clean. Before the steel pipe is reused, workers will check it, and the concrete on the surface of the steel pipe is usually removed by manual knocking; Removal of large pieces of concrete, the removal of concrete was not thorough enough. ...

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Problems solved by technology

[0004] The traditional disposal method is to separate the concrete ash removal operation and the steel pipe rust removal operation separately, the steps are cumbersome and the operation efficiency is low

[0005] At present, in the patent No. 201520402427.4, titled "A Separation Equipment for Reinforcement from Construction Waste", the high-pressure water abrasive jet method is used to realize the crushing and separation of concrete, but this method consumes a lot of water resources when performing large-scale operations. , waste resources, the cost is too high, and will cause a lot of water in the workplace, affecting the working environment

[0006] Existing derusting methods are mainly divided into two types: physical derusting and chemical derusting: the effect of chemical derusting is not ideal, and the pollution of chemical reagents is relatively large; physical derusting is divided into manual derusting and mechanical derusting, manual derusting The rust is mostly removed by an angle grinder, which has low rust removal efficiency, high labor intensity, and poor working environment; mechanical rust removal adopts automatic rust removal machine grinding to remove rust, the device is complicated, and maintenance is inconvenient; in the patent No. 201520254057.4, The name is "a high-pressure water jet sandblasting automatic rust removal equipment on the surface of steel pipes", which realizes automation and uses cyclic operation to remove rust. The rust removal process is complicated, and the water on the surface of the steel pipe will quickly oxidize and rust the steel pipe. It is not conducive to the long-term use of steel pipes and will greatly shorten the service life of steel pipes

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