CN212109703U

CN212109703U - Uniform heat transfer type internal threaded pipe

Info

Publication number: CN212109703U
Application number: CN202020597462.7U
Authority: CN
Inventors: 周文庆
Original assignee: Shengde Xintai New Material Co ltd
Current assignee: Shengde Xintai New Material Co ltd
Priority date: 2020-04-20
Filing date: 2020-04-20
Publication date: 2020-12-08
Anticipated expiration: 2030-04-20

Abstract

The utility model relates to the technical field of internal thread pipes, in particular to an internal thread pipe with uniform heat transfer, which comprises a steel pipe body and an inner pipe, wherein the inner pipe is fixed in the steel pipe body, the utility model utilizes the inner pipe which is densely distributed with through holes in the steel pipe body, and a conical diversion sleeve is arranged between the inner pipe and the steel pipe body, so that heat transfer water in the steel pipe body can collide with the conical diversion sleeve when flowing, the fluctuation degree of the heat transfer water is increased, the heat transfer water after diversion by the conical diversion sleeve can also collide with the inner pipe and be mixed into the heat transfer water at the central part of the steel pipe body through the through holes, so that the heat transfer water at the edge part of the steel pipe body can be dispersed around, thereby the heat transfer water at the edge part of the steel pipe body and the heat transfer water at the central part of the steel pipe body can generate strong convection mixing, thereby accelerating the, the heat exchange efficiency is improved.

Description

Uniform heat transfer type internal threaded pipe

Technical Field

The utility model belongs to the technical field of the internal thread pipe technique and specifically relates to an even heat transfer type internal thread pipe.

Background

The inner threaded pipe is also called as a non-smooth pipe, the inner part of the inner threaded pipe is provided with inner threads to increase the heat exchange area, the inner threaded pipe is widely applied to a heat exchange pipe of a heat exchanger, and in the heat exchange process, heat exchange water flows in the inner threaded pipe and exchanges heat with steam outside the inner threaded pipe to increase the temperature of the heat exchange water in the inner threaded pipe; however, the internal heat exchange water inside the existing internal thread pipe relatively flows in a stable state during heat exchange, and the mixing degree of the heat exchange water at the central part and the heat exchange water at the edge part is low, so that the temperature of the heat exchange water at the central part in the internal thread pipe is low, the temperature of the heat exchange water at the edge part is high, and the heat transfer effect is poor.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is: in order to solve the internal thread pipe among the prior art its inside heat transfer water when the heat transfer is the stationary state flow relatively, central point's heat transfer water and marginal position's heat transfer water mixing degree are low, cause the intraductal central point's of internal thread heat transfer water temperature low, and marginal position's heat transfer water temperature is high, the not good problem of heat transfer effect, provide an even heat transfer type internal thread pipe now.

The utility model provides a technical scheme that its technical problem adopted is: the uniform heat transfer type internal threaded pipe comprises a steel pipe body and an inner pipe, wherein the inner pipe is fixed in the steel pipe body, a gap is formed between the inner peripheral wall of the steel pipe body and the outer peripheral wall of the inner pipe, and a spiral groove is formed in the inner peripheral wall of the steel pipe body;

a plurality of circles of through hole groups penetrate through the outer peripheral wall of the inner pipe, the through hole groups are distributed at intervals along the axial direction of the inner pipe, each circle of through hole group is provided with a plurality of through holes, and the through holes in each circle of through hole group are distributed at intervals along the circumferential direction of the inner pipe;

the coaxial a plurality of toper water conservancy diversion covers that are fixed with on the inner tube periphery wall, it is a plurality of the axial interval distribution of toper water conservancy diversion cover edge inner tube, the big right-hand member of the equal left end of toper water conservancy diversion cover is little, the right-hand member of toper water conservancy diversion cover is fixed on the periphery wall of inner tube, and runs through on the toper water conservancy diversion cover and have a plurality of water conservancy diversion holes.

Utilize in this scheme the inner tube that the through-hole has densely covered in this internal setting of steel pipe, and dispose toper water conservancy diversion cover between inner tube and steel pipe body, make this internal heat transfer water of steel pipe can produce the collision with toper water conservancy diversion cover when flowing, increase the fluctuation degree of heat transfer water, heat transfer water after toper water conservancy diversion cover water conservancy diversion can also produce the collision with the inner tube, and mix in the heat transfer water of steel pipe body central point through the through-hole, so that the heat transfer water of steel pipe body edge position scatters all around, thereby make the heat transfer water of steel pipe body edge position and the heat transfer water of steel pipe body central point position produce strong convection current and mix, with this heat transfer between the heat transfer water with higher speed, the homogeneity of heat transfer is increased, and the heat exchange efficiency.

Further, the flow guide holes are inclined outwards from left to right; when flowing out from the inclined diversion holes, the heat exchange water can generate convection with the heat exchange water flowing axially in the steel pipe body, and heat transfer is facilitated.

Furthermore, the right end of the conical flow guide sleeve is welded and fixed on the outer peripheral wall of the inner pipe.

Furthermore, a plurality of inclined metal turbulence rods are fixed on the inner peripheral wall of the inner pipe at intervals along the axial direction; utilize the setting of vortex pole, can be with the heat transfer of steel pipe body edge part to the central point of steel pipe body, and can also make the heat transfer water of steel pipe body central point produce undulant, improve the heat transfer homogeneity.

Furthermore, a left mounting ring is connected to the left end in the steel pipe body in a threaded manner, a right mounting ring is connected to the right end in the steel pipe body in a threaded manner, the left mounting ring abuts against the left end of the inner pipe, and the right mounting ring abuts against the right end of the inner pipe; thereby the inner pipe is quickly fixed in the steel pipe body.

The utility model has the advantages that: the utility model discloses even heat transfer type internal thread pipe utilizes and to set up the inner tube that has the through-hole in the steel pipe body densely, and dispose toper water conservancy diversion cover between inner tube and steel pipe body, make this internal heat transfer water of steel pipe can produce the collision with toper water conservancy diversion cover when flowing, increase the fluctuation degree of heat transfer water, heat transfer water after toper water conservancy diversion cover water conservancy diversion can also produce the collision with the inner tube, and sneak into the heat transfer water at steel pipe body central point position through the through-hole, so that the heat transfer water at steel pipe body edge position scatters around, thereby make the heat transfer water of steel pipe body edge position and the heat transfer water at steel pipe body central point position produce strong convection and mix, with this heat transfer between the heat transfer water with higher speed, increase the homogeneity of heat transfer, and improve heat.

Drawings

The present invention will be further explained with reference to the drawings and examples.

FIG. 1 is a schematic view of the uniform heat transfer type internal threaded tube of the present invention;

fig. 2 is a partially enlarged schematic view of a in fig. 1.

In the figure: 1. the steel pipe comprises a steel pipe body, 1-1 parts of spiral grooves, 2 parts of inner pipes, 2-1 parts of through holes, 3 parts of gaps, 4 parts of conical flow guide sleeves, 4-1 parts of flow guide holes, 5 parts of turbulence rods, 6 parts of left mounting rings, 7 parts of right mounting rings.

Detailed Description

The present invention will now be described in further detail with reference to the accompanying drawings. The drawings are simplified schematic drawings, which illustrate the basic structure of the invention only in a schematic way, and thus show only the components that are relevant to the invention, and the directions and references (e.g., upper, lower, left, right, etc.) may be used only to help describe the features in the drawings. The following detailed description is, therefore, not to be taken in a limiting sense, and the scope of the claimed subject matter is defined only by the appended claims and equivalents thereof.

Example 1

As shown in fig. 1-2, the uniform heat transfer type internal threaded pipe comprises a steel pipe body 1 and an inner pipe 2, wherein the inner pipe 2 is fixed in the steel pipe body 1, a gap 3 is formed between the inner peripheral wall of the steel pipe body 1 and the outer peripheral wall of the inner pipe 2, and a spiral groove 1-1 is formed in the inner peripheral wall of the steel pipe body 1;

a plurality of circles of through hole groups penetrate through the outer peripheral wall of the inner pipe 2, the through hole groups are distributed at intervals along the axial direction of the inner pipe 2, each circle of through hole group is provided with a plurality of through holes 2-1, and the through holes 2-1 in each circle of through hole group are distributed at intervals along the circumferential direction of the inner pipe 2;

the coaxial a plurality of toper water conservancy diversion cover 4 that are fixed with on the 2 periphery walls of inner tube, it is a plurality of toper water conservancy diversion cover 4 is along the axial interval distribution of inner tube 2, the big right-hand member of the equal left end of toper water conservancy diversion cover 4 is little, the right-hand member of toper water conservancy diversion cover 4 is fixed on the periphery wall of inner tube 2, and runs through on the toper water conservancy diversion cover 4 and have a plurality of water conservancy diversion holes 4-1.

The flow guide holes 4-1 are inclined outwards from left to right; when flowing out from the inclined diversion hole 4-1, the heat exchange water can generate convection with the heat exchange water flowing axially in the steel pipe body 1, and heat transfer is facilitated.

The right end of the conical flow guide sleeve 4 is welded and fixed on the peripheral wall of the inner pipe 2.

A plurality of inclined metal turbulence rods 5 are fixed on the inner circumferential wall of the inner pipe 2 at intervals along the axial direction; utilize the setting of vortex pole 5, can be with the heat transfer of 1 edge part of steel pipe body to the central point of steel pipe body 1, and can also make the heat transfer water of 1 central point of steel pipe body produce undulant, improve the heat transfer homogeneity.

The left end in the steel pipe body 1 is in threaded connection with a left mounting ring 6, the right end in the steel pipe body 1 is in threaded connection with a right mounting ring 7, the left mounting ring 6 abuts against the left end of the inner pipe 2, and the right mounting ring 7 abuts against the right end of the inner pipe 2; thereby the inner pipe 2 is quickly fixed in the steel pipe body 1.

The working principle of the uniform heat transfer type internal threaded pipe in the embodiment is as follows:

when the heat exchange water mixing device is used, heat exchange water enters from the left end of the steel pipe body 1 and flows out from the right end of the steel pipe body 1, the heat exchange water can collide with the conical flow guide sleeve 4 in the flowing process, the fluctuation degree of the heat exchange water is increased, the heat exchange water guided by the conical flow guide sleeve 4 can also collide with the inner pipe 2, and the heat exchange water is mixed into the heat exchange water at the central part of the steel pipe body 1 through the through hole 2-1, so that the heat exchange water at the edge part of the steel pipe body 1 is scattered all around, the heat exchange water at the edge part of the steel pipe body 1 and the heat exchange water at the central part of the steel pipe body 1 are mixed in a strong convection mode, heat transfer between the heat exchange water is accelerated, the uniformity of.

In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.

Claims

1. A uniform heat transfer type internal threaded pipe is characterized in that: the steel pipe comprises a steel pipe body (1) and an inner pipe (2), wherein the inner pipe (2) is fixed in the steel pipe body (1), a gap (3) is formed between the inner peripheral wall of the steel pipe body (1) and the outer peripheral wall of the inner pipe (2), and a spiral groove (1-1) is formed in the inner peripheral wall of the steel pipe body (1);

a plurality of circles of through hole groups penetrate through the peripheral wall of the inner pipe (2), the through hole groups are distributed at intervals along the axial direction of the inner pipe (2), each circle of through hole group is provided with a plurality of through holes (2-1), and the through holes (2-1) in each circle of through hole group are distributed at intervals along the circumferential direction of the inner pipe (2);

the coaxial a plurality of toper water conservancy diversion covers (4) that are fixed with on inner tube (2) periphery wall, it is a plurality of axial interval distribution of inner tube (2) is followed in toper water conservancy diversion cover (4), the big right-hand member of the equal left end of toper water conservancy diversion cover (4) is little, the right-hand member of toper water conservancy diversion cover (4) is fixed on the periphery wall of inner tube (2), and runs through on toper water conservancy diversion cover (4) and have a plurality of water conservancy diversion holes (4-1).

2. The internally threaded, uniformly heat-transferring tube of claim 1, wherein: the flow guide holes (4-1) are inclined outwards from left to right.

3. The internally threaded, uniformly heat-transferring tube of claim 1, wherein: the right end of the conical flow guide sleeve (4) is welded and fixed on the peripheral wall of the inner pipe (2).

4. The internally threaded, uniformly heat-transferring tube of claim 1, wherein: a plurality of inclined metal turbulence rods (5) are fixed on the inner peripheral wall of the inner tube (2) at intervals along the axial direction.

5. The internally threaded, uniformly heat-transferring tube of claim 1, wherein: the steel pipe comprises a steel pipe body (1), and is characterized in that a left mounting ring (6) is connected to the left end of the steel pipe body (1) in a threaded mode, a right mounting ring (7) is connected to the right end of the steel pipe body (1) in a threaded mode, the left mounting ring (6) supports the left end portion of an inner pipe (2), and the right mounting ring (7) supports the right end portion of the inner pipe (2).