CN215928680U

CN215928680U - Seamless steel pipe for power station boiler

Info

Publication number: CN215928680U
Application number: CN202121375909.7U
Authority: CN
Inventors: 李计珍; 沈晨曦
Original assignee: Jiangsu Xinchangjiang Seamless Steel Pipe Manufacturing Co ltd
Current assignee: Jiangsu Xinchangjiang Seamless Steel Pipe Manufacturing Co ltd
Priority date: 2021-06-21
Filing date: 2021-06-21
Publication date: 2022-03-01
Anticipated expiration: 2031-06-21

Abstract

The utility model discloses a seamless steel pipe for a power station boiler, which comprises an inner pipe, wherein supporting balls are fixedly arranged outside the inner pipe, a guide plate is fixedly arranged inside the inner pipe, a fixing ring is fixedly arranged outside the inner pipe, an outer pipe is fixedly arranged outside the inner pipe, the outer pipe is fixedly connected with the fixing ring, and a clamping ring is fixedly arranged outside the fixing ring. The seamless steel pipe adopts a double-layer pipeline arrangement, the solid supporting balls are uniformly arranged outside the inner pipe, so that the outer pipe can protect the inner pipe, and the gaps among the supporting balls are filled with heat insulation materials, so that the strength of the seamless steel pipe can be ensured, and the heat insulation effect of the seamless steel pipe can be improved.

Description

Seamless steel pipe for power station boiler

Technical Field

The utility model relates to the technical field of steel pipes, in particular to a seamless steel pipe for a power station boiler.

Background

At present, the seamless steel pipe of boiler on the market is the individual layer pipeline usually, intensity and thermal insulation performance are all not enough, need frequent maintenance and repair, even the replacement, a large amount of manpower and materials resources have been consumed, and the outage of boiler can cause great economic loss, and the seamless steel pipe mostly adopts the method of welding installation at the in-process of installation, can guarantee the seal of seamless steel pipe like this, but often need the manual work to control the installation steel pipe at the welded in-process, thereby guarantee that both sides steel pipe keeps the same height, just can be more convenient when can carrying out weldment work like this, consequently, need a power plant boiler to use seamless steel pipe to be used for solving above-mentioned problem urgently.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a seamless steel tube for a power station boiler, which aims to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a power plant is seamless steel pipe for boiler, includes the inner tube, the inner tube outside is all fixed and is provided with the support ball, the inside fixed guide plate that is provided with of inner tube, the fixed solid fixed ring that sets up of inner tube outside, the fixed outer tube that is provided with of inner tube outside, the outer tube is fixed with the fixed ring and is connected, the fixed ring outside is fixed and is provided with the snap ring.

Preferably, the outer surface of the inner pipe is uniformly and fixedly provided with supporting balls, gaps among the supporting balls are filled with heat insulation materials, and the supporting balls are made of high-strength materials.

Preferably, the outside both ends of inner tube are all fixed and are provided with solid fixed ring, gu fixed ring is inside to be carved with the internal thread, gu fixed ring is inside upper end and lower extreme have all seted up the rotary trough.

Preferably, the outer pipe is fixedly arranged outside the inner pipe, external threads are carved at two ends outside the outer pipe, the outer pipe is made of high-strength materials, and two ends outside the inner pipe are cut to form inclined planes.

Preferably, the baffle is fixedly arranged at the upper end and the lower end inside the fixing ring, the connecting plate is fixedly arranged on one side, away from the fixing ring, of the baffle, and the clamping ring is fixedly arranged on one side, close to the outside, of the connecting plate.

Preferably, screw holes are formed in the clamping ring, bolts are fixedly arranged between the screw holes, and the inner diameter of the clamping ring is equal to the outer diameter of the inner pipe.

Preferably, a guide plate is fixedly arranged inside the inner tube, the guide plate is spirally arranged, and the guide plate is made of corrosion-resistant materials.

Preferably, the clamping ring can rotate at will, and the clamping ring and the connecting plate are both made of high-strength materials.

Compared with the prior art, the utility model has the beneficial effects that:

1. the seamless steel pipe adopts a double-layer pipeline arrangement, the solid supporting balls are uniformly arranged outside the inner pipe, so that the outer pipe can protect the inner pipe, and the gaps among the supporting balls are filled with heat insulation materials, so that the strength of the seamless steel pipe can be ensured, and the heat insulation effect of the seamless steel pipe can be improved;

2. the utility model adopts the self-provided snap ring to fixedly butt joint the seamless steel pipes at two ends, thus ensuring tighter butt joint in the welding process, solving the problem that the steel pipes need to be held manually, greatly saving labor cost, facilitating installation and welding, and having the advantages of simple structure, convenient use and good use effect.

Drawings

FIG. 1 is a left side view of the overall structure of a seamless steel tube for a utility boiler according to the present invention;

FIG. 2 is a right side view of the overall structure of a seamless steel tube for a utility boiler according to the present invention;

FIG. 3 is a bottom view of the overall structure of the seamless steel pipe for the utility boiler.

In the figure: 1. an inner tube; 11. a support ball; 12. a baffle; 2. an outer tube; 21. an external thread; 3. a connecting plate; 31. a baffle plate; 4. a snap ring; 41. a bolt; 42. a screw hole; 5. a fixing ring; 51. rotating the groove; 52. An internal thread.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a seamless steel pipe for power plant boiler, includes inner tube 1, 1 outside all fixed support balls 11 that are provided with of inner tube, 1 inside fixed guide plate 12 that is provided with of inner tube, 1 outside fixed solid fixed ring 5 that sets up of inner tube, 1 outside fixed outer tube 2 that is provided with of inner tube, outer tube 2 is fixed with solid fixed ring 5 and is connected, gu fixed ring 5 outside fixed is provided with snap ring 4.

The outer surface of the inner tube 1 is uniformly and fixedly provided with supporting balls 11, gaps among the supporting balls 11 are filled with heat insulation materials, and the supporting balls 11 are made of high-strength materials, so that the supporting balls 11 can ensure that the inner tube 1 cannot be stressed, bent and deformed; fixing rings 5 are fixedly arranged at two ends of the outer part of the inner tube 1, internal threads 52 are carved in the fixing rings 5, and rotating grooves 51 are formed in the upper end and the lower end of the inner part of the fixing rings 5; the outer pipe 2 is fixedly arranged outside the inner pipe 1, external threads 21 are carved at two ends of the outer part of the outer pipe 2, the outer pipe 2 is made of high-strength materials, and two ends of the outer part of the inner pipe 1 are cut into inclined planes, so that the inner pipe 1 can be butted more conveniently and quickly; the upper end and the lower end of the interior of the fixing ring 5 are both fixedly provided with a baffle 31, one side of the baffle 31 far away from the fixing ring 5 is both fixedly provided with a connecting plate 3, and one side of the exterior of the connecting plate 3 close to the exterior is both fixedly provided with a clamping ring 4; screw holes 42 are formed between the inner parts of the clamping rings 4, bolts 41 are fixedly arranged between the inner parts of the screw holes 42, and the inner diameter of each clamping ring 4 is equal to the outer diameter of the inner pipe 1, so that the inner pipe 1 can be tightly clamped and fixed by the clamping rings 4; a guide plate 12 is fixedly arranged inside the inner pipe 1, the guide plate 12 is arranged spirally, so that the guide plate 12 can quickly guide liquid flowing inside, and the guide plate 12 is made of corrosion-resistant materials, so that the guide plate 12 cannot be easily corroded and damaged in the long-term use process; the snap ring 4 can rotate at will, can conveniently rotate and can not obstruct when welding the inner tube 1 like this, the snap ring 4 and the connecting plate 3 all adopt high strength material to make.

The working principle is as follows: when the device is used, the inner pipe 1 penetrates into the outer pipe 2, the outer pipe 2 is rotated to be connected with the inner thread 52 of the fixing ring 5 through the outer thread 21, then the fixing ring 5 is rotatably installed and fixed from the other end of the inner pipe 1 and is connected with the outer pipe 2, so that the device can be assembled.

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.

Furthermore, the terms "first", "second", "third", "fourth" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated, whereby the features defined as "first", "second", "third", "fourth" may explicitly or implicitly include at least one such feature.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "disposed," "connected," "secured," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; the terms may be directly connected or indirectly connected through an intermediate, and may be communication between two elements or interaction relationship between two elements, unless otherwise specifically limited, and the specific meaning of the terms in the present invention will be understood by those skilled in the art according to specific situations.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a seamless steel pipe for power plant boiler, includes inner tube (1), its characterized in that: the outer portion of the inner tube (1) is fixedly provided with a supporting ball (11), the inner portion of the inner tube (1) is fixedly provided with a guide plate (12), the outer portion of the inner tube (1) is fixedly provided with a fixing ring (5), the outer portion of the inner tube (1) is fixedly provided with an outer tube (2), the outer tube (2) is fixedly connected with the fixing ring (5), and the outer portion of the fixing ring (5) is fixedly provided with a clamping ring (4).

2. The seamless steel pipe for utility boilers of claim 1, characterized in that: the heat insulation support structure is characterized in that support balls (11) are uniformly and fixedly arranged on the outer surface of the inner tube (1), heat insulation materials are filled in gaps among the support balls (11), and the support balls (11) are made of high-strength materials.

3. The seamless steel pipe for utility boilers of claim 1, characterized in that: the inner tube (1) outside both ends are all fixed and are provided with solid fixed ring (5), gu fixed ring (5) inside is carved with internal thread (52), gu fixed ring (5) inside upper end and lower extreme have all seted up rotating groove (51).

4. The seamless steel pipe for utility boilers of claim 1, characterized in that: the outer pipe (2) is fixedly arranged outside the inner pipe (1), external threads (21) are carved at two ends of the outer part of the outer pipe (2), the outer pipe (2) is made of high-strength materials, and two ends of the outer part of the inner pipe (1) are cut to form inclined planes.

5. The seamless steel pipe for utility boilers of claim 1, characterized in that: the baffle (31) is fixedly arranged at the upper end and the lower end inside the fixing ring (5), the connecting plate (3) is fixedly arranged on one side, away from the fixing ring (5), of the baffle (31), and the clamping ring (4) is fixedly arranged on one side, close to the outside, of the connecting plate (3).

6. The seamless steel pipe for utility boilers of claim 5, wherein: screw holes (42) are formed between the inner portions of the clamping rings (4), bolts (41) are fixedly arranged between the inner portions of the screw holes (42), and the inner diameter of each clamping ring (4) is equal to the outer diameter of the inner pipe (1).

7. The seamless steel pipe for utility boilers of claim 1, characterized in that: the inner tube (1) is internally fixed with a guide plate (12), the guide plate (12) is spirally arranged, and the guide plate (12) is made of corrosion-resistant materials.

8. The seamless steel pipe for utility boilers of claim 1, characterized in that: the clamp ring (4) can rotate at will, and the clamp ring (4) and the connecting plate (3) are both made of high-strength materials.