Overall extrusion type spiral finned tube economizer tube
By incorporating limiting seats, heat conduction frames, and fins into the economizer tubes, the heat exchange area and efficiency are increased, solving the problems of low heat exchange efficiency and ash accumulation in existing economizers and improving their practicality.
Patent Information
- Application Number
- CN202520024191.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-06
- Publication Date
- 2025-12-30
- Estimated Expiration
- 2035-01-06
AI Technical Summary
Existing economizers have low heat exchange efficiency and are prone to ash accumulation during use, resulting in limited practicality.
An integrally extruded spiral finned tube economizer tube is designed. By setting a limiting seat, heat conduction frame, first groove, second groove, fins, heat conduction rod and heat dissipation groove on the main tube body, the heat exchange area is increased and the heat exchange effect is improved.
The combination of the limiting seat, heat conduction frame, and fins enhances the heat exchange effect, avoids ash accumulation, and improves the practicality of the economizer.
Smart Images

Figure CN223740818U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of coal economizer, specifically to a whole extrusion type spiral finned tube coal economizer pipe. BACKGROUND
[0002] The coal economizer is the heating surface in the boiler tail flue that makes the boiler feed water into the saturated water under the pressure of the steam pocket, because it absorbs the relatively low temperature flue gas, reduces the flue gas exhaust temperature, saves the energy, improves the efficiency, so it is called the coal economizer, the steel pipe type coal economizer is not limited by pressure, can be used as the boiling type, generally is made of the carbon steel pipe with the outer diameter of 32-51 millimeters, sometimes adds the fin and the rib outside the pipe to improve the heat transfer effect.
[0003] The existing coal economizer has low heat exchange efficiency in the use process, is easy to accumulate dust and leads to poor practicality.
[0004] Therefore, it is particularly important to design a whole extrusion type spiral finned tube coal economizer pipe to change the above technical defects and improve the overall practicality. CONTENT OF THE UTILITY MODEL
[0005] The utility model aims at providing a whole extrusion type spiral finned tube coal economizer pipe to solve the problems in the above background.
[0006] In order to achieve the above object, the utility model provides the following technical scheme.
[0007] A whole extrusion type spiral finned tube coal economizer pipe, including the main body of female pipe, one end of the main body of female pipe is equipped with through -hole, the inner wall one end of through -hole is fixedly connected with the limit seat, the inner wall one end of limit seat is fixedly connected with the heat conduction frame, the outer side of heat conduction frame is equipped with first recess at equal intervals, the outer side of heat conduction frame is equipped with second recess near one side of first recess, the inner wall one end of limit seat is fixedly connected with the limit ring near one side of heat conduction frame.
[0008] As the preferred scheme of the utility model, the outer side of the main body of female pipe is fixedly connected with the fin, one end of the fin is fixedly connected with the heat conduction rod, and the shape of the heat conduction rod is a cylinder.
[0009] As the preferred scheme of the utility model, the inner wall one end of the through -hole is equipped with the heat dissipation groove near one side of the limit seat at equal intervals.
[0010] As the preferred scheme of the utility model, the number of limit seats is one.
[0011] As the preferred scheme of the utility model, the inner side of the first recess is fixedly connected with the first connecting rod, and the inner side of the second recess is fixedly connected with the second connecting rod.
[0012] As the preferred scheme of the utility model, the inner diameter of the limiting ring is equal to the outer diameter of the heat conduction frame.
[0013] Compared with the prior art, the utility model has the beneficial effects that:
[0014] In the utility model, through setting the limiting seat, the heat conduction frame, the first recess, the second recess, the fin, the heat conduction rod, the heat dissipation groove, the first connecting rod and the second connecting rod in the whole extrusion type spiral finned tube economizer pipe, the heat conduction frame is limited by the limiting seat, the first connecting rod and the second connecting rod are limited by the first recess and the second recess, the heat exchange area is increased under the cooperation of the first connecting rod and the second connecting rod, the heat exchange effect is improved under the cooperation of the fin and the heat conduction rod, and the practicability is enhanced. BRIEF DESCRIPTION OF DRAWINGS
[0015] Figure 1 It is the whole structure schematic view of the utility model;
[0016] Figure 2 It is the limiting seat, the heat conduction frame, the first recess, the second recess and the limiting ring structure schematic view of the utility model;
[0017] Figure 3 It is the heat conduction frame, the first connecting rod and the second connecting rod structure schematic view of the utility model.
[0018] In the drawing: 1, the main body of the female pipe;2, through hole;3, limiting seat;4, heat conduction frame;5, first recess;6, second recess;7, limiting ring;8, fin;9, heat conduction rod;10, heat dissipation groove;11, first connecting rod;12, second connecting rod. DETAILED DESCRIPTION
[0019] The technical scheme in the embodiments of the utility model will be clearly and completely described below in conjunction with the embodiments of the utility model, and obviously, the described embodiments are only a part of the embodiments of the utility model, not all the embodiments, based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without making creative labor belong to the range of the utility model protection.
[0020] In order to facilitate understanding of the utility model, the utility model will be more fully described below with reference to the relevant drawings. Several embodiments of the utility model are given. However, the utility model can be realized in many different forms, and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the utility model more thorough and comprehensive.
[0021] It should be understood that when an element as a "fixed" to another element, it can be directly on another element or there can be a middle element. When an element is considered to be "connected" to another element, it can be directly connected to another element or there can be a middle element. The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are for illustrative purposes only.
[0022] Unless otherwise defined, 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 application belongs. The terminology used in the description herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used herein, the term "and / or" includes any and all combinations of one or more of the associated listed items.
[0023] Embodiment, please refer to Figures 1-3 The application provides a technical scheme:
[0024] The whole extrusion type spiral finned tube economizer pipe comprises a mother pipe body 1, a through hole 2 is formed in one end of the mother pipe body 1, a limiting seat 3 is fixedly connected to one end of the inner wall of the through hole 2, a heat conduction frame 4 is fixedly connected to one end of the inner wall of the limiting seat 3, a first recess 5 is equidistantly formed on the outer side of the heat conduction frame 4, and a second recess 6 is formed on the side of the heat conduction frame 4 close to the first recess 5, so that the limiting seat 3 plays a limiting role on the heat conduction frame 4, the first recess 5 and the second recess 6 play a limiting role on the first connecting rod 11 and the second connecting rod 12, the heat exchange area is increased under the cooperation of the first connecting rod 11 and the second connecting rod 12, the heat exchange area is increased to a certain extent by the heat dissipation groove 10 and the heat conduction rod 9, and the heat exchange effect is improved under the cooperation of the fin 8.
[0025] The outer side of the mother pipe body 1 is fixedly connected with the fin 8, one end of the fin 8 is fixedly connected with the heat conduction rod 9, the shape of the heat conduction rod 9 is a cylinder, the inner wall of the through hole 2 is equidistantly provided with the heat dissipation groove 10 on the side close to the limiting seat 3, the number of the limiting seat 3 is one, the first recess 5 is fixedly connected with the first connecting rod 11 on the inner side, and the second recess 6 is fixedly connected with the second connecting rod 12 on the inner side, so that the limiting seat 3 plays a limiting role on the heat conduction frame 4, the first recess 5 and the second recess 6 play a limiting role on the first connecting rod 11 and the second connecting rod 12, the heat exchange area is increased under the cooperation of the first connecting rod 11 and the second connecting rod 12, the heat exchange area is increased to a certain extent by the heat dissipation groove 10 and the heat conduction rod 9, the heat exchange effect is improved under the cooperation of the fin 8, and the practicability is enhanced.
[0026] In this embodiment, please refer to Figure 1 , Figure 2And Figure 3 One end of the inner wall of the limiting seat 3 is fixedly connected with a limiting ring 7 on the side close to the heat-conducting frame 4, so that the heat-conducting frame 4 is limited by the limiting ring 7;
[0027] The inner diameter of the limiting ring 7 is equal to the outer diameter of the heat-conducting frame 4, so that the heat-conducting frame 4 is limited by the limiting ring 7 and is prevented from shaking.
[0028] The working process of the utility model is as follows: when in use, whether the appearance of the equipment is damaged is checked; after the check is completed, the heat-conducting frame 4 is limited by the limiting seat 3, the first connecting rod 11 and the second connecting rod 12 are limited by the first groove 5 and the second groove 6, the heat exchange area is increased under the cooperation of the first connecting rod 11 and the second connecting rod 12, the heat exchange area is increased to a certain extent by the heat-dissipating groove 10 and the heat-conducting rod 9, and the heat exchange effect is improved under the cooperation of the fin 8; the heat-conducting frame 4 is limited by the limiting ring 7 and is prevented from shaking, the practicability is enhanced, and the utility model has popularization value.
[0029] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and modifications can be made to the embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.
Claims
1. A whole extruded helical finned tube economizer tube comprising a mother tube body (1), characterized in that: One end of the female pipe body (1) is provided with a through hole (2), the inner wall of the through hole (2) is fixedly connected with a limiting seat (3), the inner wall of the limiting seat (3) is fixedly connected with a heat conducting frame (4), the outer side of the heat conducting frame (4) is equidistantly provided with a first groove (5), the outer side of the heat conducting frame (4) is provided with a second groove (6) close to one side of the first groove (5), and the inner wall of the limiting seat (3) is fixedly connected with a limiting ring (7) close to one side of the heat conducting frame (4).
2. The integral extruded helical finned tube economizer tube of claim 1 wherein: The outer side of the female pipe body (1) is fixedly connected with a fin (8), one end of the fin (8) is fixedly connected with a heat conducting rod (9), and the shape of the heat conducting rod (9) is a cylinder.
3. The integral extruded helical finned tube economizer tube of claim 1 wherein: The inner wall of the through hole (2) is equidistantly provided with a heat dissipation groove (10) close to one side of the limiting seat (3).
4. The integral extruded helical finned tube economizer tube of claim 1 wherein: The number of the limiting seat (3) is one.
5. The integral extruded helical finned tube economizer tube of claim 1 wherein: The inner side of the first groove (5) is fixedly connected with a first connecting rod (11), and the inner side of the second groove (6) is fixedly connected with a second connecting rod (12).
6. The integral extruded helical finned tube economizer tube of claim 1 wherein: The inner diameter of the limiting ring (7) is equal to the outer diameter of the heat conducting frame (4).