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Processing technology of corrosion-resistant stainless steel seamless steel pipe

A technology of seamless steel pipe and processing technology, which is applied in the field of seamless steel pipe processing, can solve problems such as long time consumption, and achieve the effects of realizing reuse, accelerating cooling rate, and avoiding the outflow of water resources

Active Publication Date: 2022-07-22
JIANGSU ZHENGTAI STAINLESS STEEL IND CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] At present, the seamless steel pipe needs to be cooled during the processing process, but the cooling of the steel pipe in the prior art is mostly to use cold water to spray the surface of the steel pipe to cool down Cooling, in the spraying project, the steel pipe can only be sprayed from the outside, and the bottom of the steel pipe is also a dead angle for spraying, it takes a long time to complete the cooling of the steel pipe

Method used

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  • Processing technology of corrosion-resistant stainless steel seamless steel pipe
  • Processing technology of corrosion-resistant stainless steel seamless steel pipe
  • Processing technology of corrosion-resistant stainless steel seamless steel pipe

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0065] First of all, it is necessary to adjust the positions of the two second rotating shafts 401 located on the outside of the cooling device according to the specifications of the round tube blanks, so as to be suitable for stainless steel tubes of different sizes;

[0066] Specifically, as Figure 1-7 As shown in 9-11, by starting the third motor 425 installed on the outer end of the second threaded rod 416 in the transmission mechanism, the third motor 425 is used to drive one of the second threaded rods 416 to rotate, because the outer end of each second threaded rod 416 is used. A third pulley 423 is installed on both, and a third belt 424 is installed between the two adjacent third pulleys 423 that can drive the third pulley 423 to rotate, so the third motor 425 can drive the three second threaded rods 416 to rotate at the same time ;

[0067] Second, if Image 6 As shown, the sliding seat 415 threadedly connected with the outer end of the second threaded rod 416 can...

Embodiment 2

[0070] After the position between the three rotating rollers 402 is adjusted, the heated steel pipe can be moved between the three rotating rollers 402 under the transmission of the conveying machine, so as to use the three rotating rollers 402 to support the steel pipe, and then Then spray water through the cooling mechanism to cool down;

[0071] Specifically, after the steel pipe is moved into the cooling box 101, the first water pump 105 installed on the top of the cooling box 101 is activated, and the first water pump 105 is used to pump the water stored in the cooling water tank 104 through the first water outlet pipe 106. In the water storage tank 102 in the inner wall of the cooling tank 101, the water is sprayed through the nozzle 103 communicated with the inside of the water storage tank 102, and the sprayed water can contact the outer wall of the steel pipe, so that the steel pipe can be cooled and cooled;

[0072] When the steel pipe enters and leaves the cooling b...

Embodiment 3

[0078] In the process of spraying, in order to avoid the waste of water resources, such as figure 1 , 4 As shown in , 7, 8, the recovery mechanism in the present invention can recover the water flow ejected from the cooling box 101, so as to facilitate the subsequent reuse of water resources;

[0079] Specifically, the water sprayed by the spray head 103 and the water outlet pipe 111 can enter the collection box 303 installed at the bottom of the cooling box 101 through the water outlet hole 305 opened at the bottom of the cooling box 101 , and the water flow will flow into the collection box 303 after entering the collection box 303 . Pass through the filter screen 304 installed inside and move to the bottom of the filter screen 304, and when the water flows through the filter screen 304, it will filter out the solid debris in the water flow, thereby preventing the pipeline from being blocked;

[0080] In order to facilitate the transfer of the water collected at the bottom ...

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Abstract

The invention discloses a processing technology of a corrosion-resistant stainless steel seamless steel tube, and particularly relates to the technical field of seamless steel tube processing, and the processing technology comprises the following specific steps: S1, selecting a lossless round tube blank which has good corrosion resistance so as to ensure that a prepared stainless steel tube is relatively high in corrosion resistance; then cutting a round tube blank according to the required steel tube specification; s2, heating the selected round tube blank to enable the round tube blank to reach a plastic deformation state; according to the steel pipe cooling device, water is sprayed to the outer end and the inner wall of a steel pipe through a spray head and a water outlet pipe in the cooling mechanism, and the purpose of cooling the interior and the exterior of the steel pipe at the same time is achieved; and the rotating rollers can be used for driving the steel pipes placed at the outer ends of the rotating rollers to rotate, so that the spray heads can spray the steel pipes from the outer ends in all directions, dead angles are avoided, and the cooling rate of the steel pipes is increased.

Description

technical field [0001] The invention relates to the technical field of seamless steel pipe processing, in particular to a processing technology of a corrosion-resistant stainless steel seamless steel pipe. Background technique [0002] Seamless steel pipe is a type of steel pipe made from a single piece of metal without seams on the surface. According to the production method, seamless steel pipe can be divided into hot-rolled pipe, cold-rolled pipe, cold-drawn pipe, extruded pipe, pipe jacking, etc. According to the cross-sectional shape, the seamless steel pipe is divided into two types: round and special-shaped. The cross-section of the commonly used seamless steel pipes on the market is mostly circular, so this kind of seamless steel pipes is in great demand in the market. The seamless steel pipe needs to go through the following steps in the process of processing: round tube blank, heating, perforation, three-roll skew rolling, continuous rolling or extrusion, pipe re...

Claims

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Application Information

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IPC IPC(8): B21C37/06B21B19/04B21B45/02
CPCB21C37/06B21B19/04B21B45/0233B21B45/0215B21B2045/0227
Inventor 郑伟良郑康
Owner JIANGSU ZHENGTAI STAINLESS STEEL IND CO LTD
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