CN219223459U

CN219223459U - Heat transfer tube of heat exchanger

Info

Publication number: CN219223459U
Application number: CN202320104056.6U
Authority: CN
Inventors: 黄海珍; 孙宇鹏
Original assignee: Jilin University
Current assignee: Jilin University
Priority date: 2023-02-03
Filing date: 2023-02-03
Publication date: 2023-06-20
Anticipated expiration: 2033-02-03

Abstract

The utility model belongs to the technical field of heat exchangers, and particularly relates to a heat transfer tube of a heat exchanger, which comprises a heat transfer tube main body and a connecting layer; the heat-conducting pipe comprises a heat-conducting pipe body, wherein an upper connecting port is formed in the top of the heat-conducting pipe body, a lower connecting port is formed in the bottom of the heat-conducting pipe body, a connecting layer is arranged on the outer wall of the heat-conducting pipe body, an insulating layer is arranged on the outer wall of the connecting layer, an armor layer is arranged on the outer wall of the insulating layer, reinforcing ribs are arranged in an inner cavity of the armor layer, and an anti-corrosion protective sleeve is arranged on the outer wall of the armor layer; the heat insulation device is reasonable in structure, good in heat insulation performance, capable of preventing heat loss, high in structural strength and long in service life in the using process.

Description

Heat transfer tube of heat exchanger

Technical Field

The utility model relates to the technical field of heat exchangers, in particular to a heat transfer tube of a heat exchanger.

Background

The heat exchanger-steam generator of nuclear power station is the intermediate bridge of the first-loop coolant circulation system and the second-loop thermodynamic system, and is mainly used for heat energy exchange and transfer, and the heat transfer pipe is the key component for heat transfer, and the heat exchanger heat transfer pipe also plays a key role in petroleum and chemical industry. The key function of the heat transfer pipe is to exchange heat between the primary side water and the secondary side water with high temperature and high pressure inside, and to play a role in isolation and protection. The heat transfer pipe is affected by high temperature and high pressure water flow impact, vibration, corrosion and the like during operation, and the weak link must be checked periodically in order to ensure the safe and stable operation of the evaporator.

In the prior art, the heat transfer pipe of the heat exchanger has complex working environment and severe conditions, and problems such as cracks, corrosion, pitting corrosion, thinning of pipe walls and the like are difficult to avoid along with the whole operation process, so that the service life of the heat exchanger is short, and therefore, the novel heat transfer pipe of the heat exchanger is provided.

Disclosure of Invention

This section is intended to outline some aspects of embodiments of the utility model and to briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section as well as in the description summary and in the title of the application, to avoid obscuring the purpose of this section, the description summary and the title of the utility model, which should not be used to limit the scope of the utility model.

The present utility model has been made in view of the problems occurring in the prior art.

Therefore, the utility model aims to provide the heat transfer tube of the heat exchanger, which has good heat preservation performance, prevents heat loss in the use process, and has high structural strength and long service life.

In order to solve the technical problems, according to one aspect of the present utility model, the following technical solutions are provided:

a heat transfer tube of a heat exchanger comprises a heat transfer tube main body and a connecting layer;

wherein,,

the top of the heat conduction pipe main body is provided with an upper connection port, and the bottom of the heat conduction pipe main body is provided with a lower connection port;

the connecting layer is arranged on the outer wall of the heat conduction pipe main body, the heat insulation layer is arranged on the outer wall of the connecting layer, the armor layer is arranged on the outer wall of the heat insulation layer, the reinforcing ribs are arranged in the inner cavity of the armor layer, and the anti-corrosion protective sleeve is arranged on the outer wall of the armor layer.

As a preferred embodiment of the heat transfer tube of a heat exchanger according to the present utility model, wherein: the material of the heat conduction pipe main body is opal quartz.

As a preferred embodiment of the heat transfer tube of a heat exchanger according to the present utility model, wherein: the heat-insulating layer is made of silicon dioxide heat-insulating felt.

As a preferred embodiment of the heat transfer tube of a heat exchanger according to the present utility model, wherein: the inner cavities of the upper connecting port and the lower connecting port are respectively provided with a thread groove.

As a preferred embodiment of the heat transfer tube of a heat exchanger according to the present utility model, wherein: the reinforcing ribs are made of high-strength metal alloy.

As a preferred embodiment of the heat transfer tube of a heat exchanger according to the present utility model, wherein: the anti-corrosion protective sleeve is made of tetrapropolypropylene.

Compared with the prior art, the utility model has the beneficial effects that: the upper connecting port and the lower connecting port are respectively arranged at the top and the bottom of the heat conduction pipe main body, the inner cavities of the upper connecting port and the lower connecting port are provided with the thread grooves, so that the heat conduction pipe main body is convenient to mount and dismount, and the flexibility is high; in addition, through being provided with the heat preservation at the outer wall of heat pipe main part, can prevent heat loss, through being provided with armor and anti-corrosion protective sheath at the outer wall of heat preservation, improved the structural strength and the anti-corrosion performance of device, prolonged the life of device.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the following detailed description of the embodiments of the present utility model will be given with reference to the accompanying drawings, which are to be understood as merely some embodiments of the present utility model, and from which other drawings can be obtained by those skilled in the art without inventive faculty. Wherein:

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic cross-sectional view of a heat transfer tube according to the present utility model;

fig. 3 is a schematic view of the armor layer of the present utility model.

In the figure; 100 heat conduction pipe main body, 110 upper connection port, 120 lower connection port, 130 thread groove, 200 connection layer, 210 heat preservation layer, 220 armor layer, 230 reinforcing rib, 240 anti-corrosion protection sleeve.

Detailed Description

In order that the above objects, features and advantages of the utility model will be readily understood, a more particular description of the utility model will be rendered by reference to the appended drawings.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model, but the present utility model may be practiced in other ways other than those described herein, and persons skilled in the art will readily appreciate that the present utility model is not limited to the specific embodiments disclosed below.

Next, the present utility model will be described in detail with reference to the drawings, wherein the sectional view of the device structure is not partially enlarged to general scale for the convenience of description, and the drawings are only examples, which should not limit the scope of the present utility model. In addition, the three-dimensional dimensions of length, width and depth should be included in actual fabrication.

For the purpose of making the objects, technical solutions and advantages of the present utility model more apparent, embodiments of the present utility model will be described in further detail below with reference to the accompanying drawings.

The utility model provides the following technical scheme: the heat transfer tube of the heat exchanger has good heat preservation performance, prevents heat loss in the use process, and has high structural strength and long service life;

fig. 1 to 3 are schematic structural views showing an embodiment of a heat transfer tube of a heat exchanger according to the present utility model, a body portion of which includes a heat transfer tube body 100 and a connection layer 200;

please refer again to fig. 1-3: the top of the heat conduction pipe body 100 is provided with an upper connection port 110, and the bottom of the heat conduction pipe body 100 is provided with a lower connection port 120;

please refer again to fig. 1-3: the connecting layer 200 is arranged on the outer wall of the heat conduction pipe main body 100, the heat insulation layer 210 is arranged on the outer wall of the connecting layer 200, the armor layer 220 is arranged on the outer wall of the heat insulation layer 210, the reinforcing ribs 230 are arranged in the inner cavity of the armor layer 220, and the anti-corrosion protection sleeve 240 is arranged on the outer wall of the armor layer 220;

please refer again to fig. 1-3: the material of the heat conduction pipe main body 100 is opal quartz; the material of the heat-insulating layer 210 is silicon dioxide heat-insulating felt; the inner cavities of the upper connection port 110 and the lower connection port 120 are provided with screw grooves 130; the reinforcing rib 230 is made of high-strength metal alloy; the anti-corrosion protective sleeve 240 is made of tetrapropolypropylene.

Working principle: in the use process of the utility model, the upper connecting port 110 and the lower connecting port 120 are respectively arranged at the top and the bottom of the heat conduction pipe main body 100, the inner cavities of the upper connecting port 110 and the lower connecting port 120 are provided with the thread grooves 130, so that the heat conduction pipe main body 100 is convenient to mount and dismount, and the flexibility is high; in addition, the heat insulation layer 210 is arranged on the outer wall of the heat conduction pipe main body 100, so that heat loss can be prevented, and the armor layer 220 and the anti-corrosion protection sleeve 240 are arranged on the outer wall of the heat insulation layer 210, so that the structural strength and the anti-corrosion performance of the device are improved, and the service life of the device is prolonged.

Although the utility model has been described hereinabove with reference to embodiments, various modifications thereof may be made and equivalents may be substituted for elements thereof without departing from the scope of the utility model. In particular, the features of the disclosed embodiments may be combined with each other in any manner as long as there is no structural conflict, and the exhaustive description of these combinations is not given in this specification merely for the sake of omitting the descriptions and saving resources. Therefore, it is intended that the utility model not be limited to the particular embodiment disclosed, but that the utility model will include all embodiments falling within the scope of the appended claims.

Claims

1. A heat transfer tube for a heat exchanger, characterized by: comprises a heat conduction pipe main body (100) and a connecting layer (200);

wherein,,

an upper connection port (110) is formed in the top of the heat conduction pipe main body (100), and a lower connection port (120) is formed in the bottom of the heat conduction pipe main body (100);

the connecting layer (200) is arranged on the outer wall of the heat conduction pipe main body (100), the heat insulation layer (210) is arranged on the outer wall of the connecting layer (200), the armor layer (220) is arranged on the outer wall of the heat insulation layer (210), the reinforcing ribs (230) are arranged in the inner cavity of the armor layer (220), and the anti-corrosion protection sleeve (240) is arranged on the outer wall of the armor layer (220).

2. A heat transfer tube for a heat exchanger as set forth in claim 1, wherein: the heat conduction pipe main body (100) is made of opal quartz.

3. A heat transfer tube for a heat exchanger as set forth in claim 1, wherein: the heat-insulating layer (210) is made of silicon dioxide heat-insulating felt.

4. A heat transfer tube for a heat exchanger as set forth in claim 1, wherein: the inner cavities of the upper connecting port (110) and the lower connecting port (120) are respectively provided with a thread groove (130).

5. A heat transfer tube for a heat exchanger as set forth in claim 1, wherein: the reinforcing rib (230) is made of high-strength metal alloy.

6. A heat transfer tube for a heat exchanger as set forth in claim 1, wherein: the anti-corrosion protective sleeve (240) is made of tetrapropolypropylene.