CN210113509U

CN210113509U - High-precision thick-wall seamless steel pipe

Info

Publication number: CN210113509U
Application number: CN201921015267.2U
Authority: CN
Inventors: 吴明生
Original assignee: Zhejiang Honghai Steel Pipe Manufacturing Co Ltd
Current assignee: Zhejiang Honghai Steel Pipe Manufacturing Co Ltd
Priority date: 2019-07-02
Filing date: 2019-07-02
Publication date: 2020-02-25
Anticipated expiration: 2029-07-02

Abstract

The utility model discloses a high accuracy thick wall seamless steel pipe, including the steel pipe main part, the steel pipe main part outside is compound to have a copper sheathing, the copper sheathing outside is equipped with spiral helicine recess, the recess has a flat and two arc lateral walls, and the top surface of two arc lateral walls extends to recess central direction and forms joint portion, it has a cooling tube to peg graft in the recess, the cooling tube is that the bottom surface is flat and the top surface is convex special-shaped pipe, the bottom surface of cooling tube with the flat butt of recess, the top surface of cooling tube and the junction joint of bottom surface between the two arc lateral walls of recess and its top surface protruding in on the recess, the both ends of cooling tube are connected with the coolant liquid storage tank through the circulating pump, a steel wire net cover has still been set in the outside of cooling tube and copper sheathing, the utility model discloses it is effectual to exchange heat, long service life.

Description

High-precision thick-wall seamless steel pipe

Technical Field

The utility model relates to a seamless steel pipe of high accuracy thick wall.

Background

In the prior art, when a stainless steel seamless steel pipe is used as a heat exchange pipe, heat exchange fins are generally arranged on the outer side of a steel pipe main body or a spiral cooling pipe is wound on the outer side of the steel pipe main body; stainless steel seamless steel pipe still receives the corruption easily under high temperature environment, simultaneously because the structure limit of heat transfer fin or cooling tube, heat exchange efficiency is also lower.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the not enough of above-mentioned prior art, provide a better high accuracy thick wall seamless steel pipe of effect.

The technical scheme of the utility model is that: the utility model provides a seamless steel pipe of high accuracy thick wall, includes the steel pipe main part, the steel pipe main part outside complex has a copper sheathing, the copper sheathing outside is equipped with spiral helicine recess, the recess has a flat and two arc lateral walls, and the top surface of two arc lateral walls extends to recess central direction and forms joint portion, it has a cooling tube to peg graft in the recess, the cooling tube is that the bottom surface is flat and the top surface is convex sketch pipe, the bottom surface of cooling tube with the flat butt of recess, the junction joint of the top surface of cooling tube and bottom surface just its top surface is protruding between the two arc lateral walls of recess on the recess, the both ends of cooling tube are connected with the coolant liquid storage pool through the circulating pump, a steel wire net cover has still been put to the outside cover of cooling tube and copper sheathing.

Specifically, the cooling pipe is a copper pipe.

Further, the steel wire net cover is fixed on the outer sides of the cooling pipe and the copper sleeve through a hoop, and the steel wire net cover is abutted to the cooling pipe.

Furthermore, the section of the bottom surface of the cooling pipe is trapezoidal, and the outer corners of the cooling pipe are arc transition angles.

The utility model has the advantages that: the copper sleeve is compounded outside the heat exchanger, so that the stainless steel seamless steel pipe inside is not easy to be corroded by the external environment, the spiral groove is formed outside the copper sleeve, the cooling pipe is arranged in the groove, the copper sleeve plays the role of a radiating fin at the same time, the cooling pipe is firmly inserted in the groove through the special shape of the cooling pipe, the contact surface with the copper sleeve is large, and meanwhile, the heat exchange area between the whole body and the outside is increased due to the fact that the cooling pipe protrudes from the top surface of the groove, and the heat exchange efficiency can be effectively improved; the outside of cooling tube and copper sheathing has still been put a steel wire netting cover in the cover, plays anticollision, keeps off miscellaneous and increase heat transfer area's effect, still can strengthen the utility model discloses holistic intensity improves its life.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

fig. 2 is a cross-sectional view of the cooling tube of the present invention.

Detailed Description

The technical solution of the present invention is further specifically described below by way of examples and with reference to the accompanying drawings.

Referring to fig. 1 and 2, the high-precision thick-wall seamless steel tube comprises a steel tube body 1, a copper sleeve 2 compounded outside the steel tube body 1, a spiral groove 3 is arranged on the outer side of the copper sleeve 2, the groove 3 is provided with a flat bottom and two arc-shaped side walls, the top surfaces of the two arc-shaped side walls extend towards the center direction of the groove 3 to form a clamping part 4, a cooling pipe 5 is inserted in the groove 3, the cooling pipe 5 is a special pipe with a flat bottom surface and a circular arc top surface, the bottom surface of the cooling pipe 5 is abutted against the flat bottom of the groove 3, the joint of the top surface and the bottom surface of the cooling pipe 5 is clamped between the two arc-shaped side walls of the groove 3, and the top surface of the cooling pipe is protruded on the groove, the two ends of the cooling pipe 5 are connected with a cooling liquid storage pool through a circulating pump, and a steel wire mesh sleeve 6 is sleeved outside the cooling pipe 5 and the copper sleeve 2.

Specifically, the cooling pipe 5 is a copper pipe.

Further, the steel wire net cover 6 is fixed on the outer sides of the cooling pipe 5 and the copper sleeve 2 through a clamping hoop, and the steel wire net cover 6 is abutted to the cooling pipe 5.

Furthermore, the section of the bottom surface of the cooling pipe 5 is trapezoidal, and the outer corners of the cooling pipe are arc transition angles.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a high accuracy thick wall seamless steel pipe, includes the steel pipe main part, its characterized in that: the steel pipe main part outside is compound to have a copper sheathing, the copper sheathing outside is equipped with spiral helicine recess, the recess has a flat and two arc lateral walls, and the top surface of two arc lateral walls extends to recess central direction and forms joint portion, it has a cooling tube to peg graft in the recess, the cooling tube is that the bottom surface is flat and the top surface is convex dysmorphism pipe, the bottom surface of cooling tube with the flat butt of recess, the junction joint of the top surface of cooling tube and bottom surface just its top surface protruding between the two arc lateral walls of recess in on the recess, the both ends of cooling tube are connected with the coolant liquid reservoir through the circulating pump, a steel wire net cover has still been set in the outside of cooling tube and copper sheathing.

2. A high precision thick wall seamless steel pipe according to claim 1, characterized in that: the cooling pipe is a copper pipe.

3. A high precision thick wall seamless steel pipe according to claim 1, characterized in that: the steel wire net cover is fixed on the outer sides of the cooling pipe and the copper sleeve through a hoop, and the steel wire net cover is in butt joint with the cooling pipe.

4. A high precision thick wall seamless steel pipe according to claim 1, characterized in that: the bottom surface cross-section of cooling tube is trapezoidal and its external angle is arc transition angle.