Linear water curtain device

Abstract

The invention relates to a linear water curtain device, comprising a water tank, wherein the bottom of the water tank is provided with a straight slit; a linear water outlet and a high mixed edge are respectively fixed at the two sides below the straight slit; the high mixed edge and the linear water outlet are respectively made of angle iron and arranged back to back; the bottom margin of the high mixed edge is higher than the bottom margin of the linear water outlet; a plurality of quantitative tubes are arranged between the linear water outlet and the high mixed edge; the tops of the quantitative tubes are communicated with the interior of the water tank; and the bottoms of the quantitative tubes are higher than the bottom margin of the high mixed edge. According to the invention, the linear water outlet and the high mixed edge have effect of reinforcing the straight slit of the water tank bottom, and the quantitative tubes can guarantee the uniform distance between the linear water outlet and the high mixed edge and guarantee the consistent thickness of the quenching medium water curtain; and a quantification mixing zone formed by the quantitative tubes and the linear water outlet, the linear water outlet and the high mixed edge can allow the quenching medium to be mixed uniformly and make the flow consistent.

Description

technical field [0001] The invention relates to a quenching machine tool for pipe and shaft parts in the heat treatment industry, in particular to a linear water curtain device for quenching medium flowing out. Background technique [0002] With the development of the economy, the industrial level is constantly improving, and the requirements of high-end industries for pipe and shaft parts are also constantly improving. For example, special pipes for petroleum have very high requirements on the uniformity of hardness of the pipe body (about 12 meters in total length), and the deeper the oil production depth, the higher the requirements. When the pipe body is quenched on the quenching machine, the flow uniformity of the quenching medium in the entire length direction directly affects the uniformity of the rapid cooling rate of the quenched pipe body, that is, directly affects the uniformity of the hardness of the pipe body. [0003] In the prior art, the outflow mode of the ...

AI Technical Summary

Problems solved by technology

The straight seam water curtain device is arranged with a straight seam at the bottom of the water tank, and the quenching medium flows out from the straight seam; this kind of device has poor strength, and after a period of use, the straight seam will be deformed, resulting in inconsistent thickness of the water curtain

Both of these two devices lead to a large dispersion of hardness of the quenched pipe body, and even the drill pipe breakage often occurs during the drilling process, which directly affects the cost of oil production

Images