What are the advantages of 20G seamless pipe production? Step-by-step heat treatment furnace is the furnace type used for 20G seamless pipe heat treatment production line. It has the following advantages: high output, with a capacity of 50t or more. The stepper motor furnace is a furnace type that can be produced continuously. The automation technology is complete, and the range of 20G seamless tubes that can be solved is also wide; the heating stepper motor furnace uses gas or solid fuel, and the heat conduction method of 20G seamless tubes is radiation source and heat convection, and 20G seamless tubes are inside the furnace. The internal "empty frames" are evenly distributed on the fabric crossbeam (fixed crossbeam). 

The temperature uniformity can reach l5Y when 20G seamless tube is released, because 20G seamless tube is in the furnace. The main beam is heated in the "empty frame" state, and the 20G seamless tube can rotate a certain angle of view with each step forward; the deformation is small because the 20G seamless tube is heated in the furnace in an ideal way, and the temperature is uniform, so the 20G seamless tube has no influence. When the seam tube is announced, the curvature and ellipticity are small, setting a standard for refrigeration processes such as mid-fire; the automation technology that facilitates the actual operation and completion of manufacturing, the heating status of the 20G seamless tube in the furnace and the operation status of the natural gas burner are easy to observe, setting a standard for immediate adjustment.

In order to obtain large diameter seamless tubes with good inner surface quality and reduce the wear of mandrel, it is necessary to ensure that the inner surface of mandrel and capillary tube is good, so it is necessary to remove iron oxide, the impurities such as iron oxide skin attached to the inner hole of capillary tube before thermal expansion, and avoid the impurities such as iron oxide skin attached to the inner surface during thermal expansion. The quality of the thermal expansion tube and the service life of the mandrel. At present, the removal of adhering to the inner surface of the capillary tube bore iron oxide and other impurities, generally using manual, capillary tube ends with special cleaning tools to clean. Operators are labor-intensive and time-consuming.

The purpose of this operation is to provide a device for removing iron oxide from the inner bore of seamless steel tubes, aiming to solve the problems of the method for removing iron oxide from the inner bore in the prior art. The capillary tube that needs to be expanded and deformed is cleaned in a manual way. The effect is poor, the efficiency is low, and the labor intensity of the operator is high and time-consuming. As an improved solution, the driving roller of a pair of rollers near one end of the rotating roller motor passes through a universal coupling. It is connected to the drive shaft of the rotary roller motor. Since the 20G seamless steel pipe bore descaling device includes a steel pipe rotation mechanism and a floating prism, the steel pipe rotation mechanism includes a rotating roller motor, a roller frame and a plurality of rollers. 

Placed between the active roller and the driven roller of the pair of rollers, the floating prism is placed inside the bore of the steel pipe, the parallel track of the roller track is at a certain angle with the horizontal surface, and the rotating roller motor drives the pair of rollers through the drive shaft and the drive shaft. Rotation, so as to support and drive the circumferential rotation of the steel pipe. The floating prism in the inner hole of the steel tube is always at the bottom surface of the steel tube body under the action of its own shape and self-weight, and does not rotate with the steel tube body. Relative friction removes impurities such as iron oxide adhering to the inner surface of the inner bore of the steel pipe. The process is completed by machinery, which reduces the labor intensity of the staff and improves the work efficiency. It also effectively reduces the wear and tear of the inner bore of the thermally expanded tube and reduces production costs.