Fire tube with high heat exchange rate
By penetrating multiple small heat exchange tubes on the side wall of the fire pipe body, a funnel structure is formed, and the heat conversion efficiency is improved by using the Venturi effect, the problem of increasing volume and difficulty in reducing the cost of traditional heat exchange tubes is solved, and the effect of efficient heat exchange and space saving is achieved.
Patent Information
- Application Number
- CN202420797720.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-17
- Publication Date
- 2025-03-11
- Estimated Expiration
- 2034-04-17
AI Technical Summary
Traditional heat exchange tubes improve heat exchange efficiency by increasing the heat exchange area, but this will increase the volume of the entire heat exchanger, making it difficult to reduce the production cost, and at the same time, it is impossible to reduce the volume occupied by the pipeline while ensuring heat exchange efficiency.
A fire tube with high heat exchange rate is designed, and a continuous funnel structure is formed by penetrating multiple small heat exchange tubes on the side wall of the fire tube body, which improves heat conversion efficiency by utilizing the Venturi effect and reduces overall space occupation through compact installation arrangement.
It achieves that under the same heat exchange area, compared with the traditional direct heat exchange tube, the heat exchange efficiency is much higher, while reducing the overall space and reducing production costs.
Smart Images
Figure CN222598597U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to a fire tube, in particular to a fire tube with high heat exchange rate, belonging to the field of heat exchangers. Background Art
[0002] Traditional heat exchange fire tubes and heat exchangers only violently increase the heat exchange area to improve the heat exchange efficiency. Simply increasing the heat exchange area without optimizing the installation arrangement of the internal pipes will increase the space occupied by the original pipes, and then the volume of the entire heat exchanger needs to be increased, and the cost in production and preparation is difficult to reduce. If the internal pipes are reduced, the heat exchange area will be reduced accordingly, and the heat exchange efficiency will be reduced. It is impossible to ensure that the heat exchange efficiency and the volume occupied by the pipes are reduced at the same time. Utility Model Content
[0003] In view of the problems in the prior art, the utility model provides a fire tube with high heat exchange rate.
[0004] The purpose of the utility model can be achieved through the following technical solutions:
[0005] A fire tube with high heat exchange rate comprises a fire tube body, the interior of the fire tube body is through-type, a plurality of small heat exchange tubes are connected through the side wall of the fire tube body from top to bottom, and the projections of two adjacent small heat exchange tubes are in a "cross" shape.
[0006] Optionally, the small heat exchange tubes are arranged along the diameter direction of the fire tube body.
[0007] Optionally, both ends of the small heat exchange tube extend to the outside of the side wall of the fire tube body.
[0008] Optionally, the outer diameter of the small heat exchange tube is smaller than the inner diameter of the fire tube body.
[0009] Optionally, the plurality of small heat exchange tubes are evenly distributed on the fire tube body.
[0010] Beneficial effects of the utility model:
[0011] A number of small heat exchange tubes are designed on the fire tube body to cross at 90 degrees, forming a series of continuous funnels. When the hot fluid passes through each stage, a Venturi effect will be produced to improve the heat conversion efficiency. The faster the flow rate, the higher the heat exchange efficiency. Under the same heat exchange area, the heat exchange efficiency is much higher than that of traditional direct heat exchange fire tubes. The hot fluid flows in the tube, producing a Venturi funnel effect, while no eddy current will be generated to increase wind resistance. The Venturi effect can convert part of the fluid kinetic energy into thermal energy. The fire tube body and the small heat exchange tubes are installed and arranged compactly, reducing the overall space occupation. BRIEF DESCRIPTION OF THE DRAWINGS
[0012] In order to facilitate understanding by those skilled in the art, the present invention is further described below in conjunction with the accompanying drawings.
[0013] Figure 1 It is a schematic diagram of the overall structure of the utility model.
[0014] Figure 2 For this utility model Figure 1 Top view of the .
[0015] Figure 3 It is a cross-sectional view of the fire tube body of the utility model.
[0016] In the figure: 1. Fire tube body; 2. Small heat exchange tube. DETAILED DESCRIPTION
[0017] The technical solution of the utility model will be described clearly and completely in conjunction with the embodiments below. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0018] See also Figure 1-3 As shown, a fire tube with a high heat exchange rate includes a fire tube body 1. The interior of the fire tube body 1 is through-set, and a plurality of small heat exchange tubes 2 are connected through the side wall of the fire tube body 1 from top to bottom. The projections of two adjacent small heat exchange tubes 2 above and below are in a "cross" shape.
[0019] As a technical optimization solution of the utility model, the small heat exchange tubes 2 are arranged along the diameter direction of the fire tube body 1. The plurality of small heat exchange tubes 2 are evenly distributed on the fire tube body 1 without being staggered, and the fire tube body 1 will not be disturbed when installed during use.
[0020] As a technical optimization solution of the utility model, both ends of the small heat exchange tube 2 extend to the outside of the side wall of the fire tube body 1. The small heat exchange tube 2 can be connected to the preset refrigerant tube, so that the refrigerant inside the small heat exchange tube 2 can flow normally and absorb heat efficiently.
[0021] As a technical optimization solution of the utility model, the outer diameter of the small heat exchange tube 2 is smaller than the inner diameter of the fire tube body 1. After the small heat exchange tube 2 passes through the interior of the fire tube body 1, a gap is left between the outer wall of the small heat exchange tube 2 and the inner wall of the fire tube body 1, which is convenient for the circulation of hot fluid.
[0022] As a technical optimization solution of the utility model, a plurality of small heat exchange tubes 2 are evenly distributed on the fire tube body 1. The plurality of small heat exchange tubes 2 are evenly installed at intervals from each other, so that two adjacent small heat exchange tubes above and below are arranged in a cross-staggered manner, and the heat exchange effect of the fluid heat inside the fire tube body 1 and the refrigerant inside the small heat exchange tubes 2 is better.
[0023] The hot fluid flows inside the fire tube body 1. When the fluid passes through a narrow place, the flow rate will become faster, and the Venturi effect will occur, which can also be understood as the funnel effect. The high-energy molecules in the hot fluid occupy a larger space than the relatively low-energy molecules. When passing through a narrow place, the low-energy molecules will pass first, and the high-energy molecules will lag behind. The lagging high-energy molecules transfer the heat energy to the refrigerant in the small heat exchange tube 2 through the metal fire tube body 1, playing the role of fire tube heat exchange. Designing multiple small heat exchange tubes 2 that cross at 90° forms a series of continuous funnels. When the hot fluid passes through each level, the Venturi effect will be generated, which improves the heat conversion efficiency, and the faster the flow rate, the higher the heat exchange efficiency. Under the same heat exchange area, the heat exchange efficiency is much higher than that of the traditional direct heat exchange fire tube. The hot fluid flows in the tube, producing the Venturi funnel effect, and there will be no vortex to increase the wind resistance. The Venturi effect can convert part of the fluid kinetic energy into heat energy.
[0024] The preferred embodiments of the utility model disclosed above are only used to help explain the utility model. The preferred embodiments do not describe all the details in detail, nor do they limit the utility model to the specific implementation methods described. Obviously, many modifications and changes can be made according to the content of this specification. This specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the utility model, so that technicians in the relevant technical field can well understand and use the utility model. The utility model is limited only by the claims and their full scope and equivalents.
Claims
1. A fire tube with high heat exchange rate, characterized in that: It comprises a fire tube body (1), the interior of the fire tube body (1) is through-type, a plurality of small heat exchange tubes (2) are connected through the side wall of the fire tube body (1) from top to bottom, and the projections of two adjacent small heat exchange tubes (2) above and below are in the shape of a "cross".
2. A fire tube with high heat exchange efficiency according to claim 1, characterized in that: The small heat exchange tube (2) is arranged along the diameter direction of the fire tube body (1).
3. A fire tube with high heat exchange efficiency according to claim 1, characterized in that: Both ends of the small heat exchange tube (2) extend to the outside of the side wall of the fire tube body (1).
4. A fire tube with high heat exchange efficiency according to claim 1, characterized in that: The outer diameter of the small heat exchange tube (2) is smaller than the inner diameter of the fire tube body (1).
5. A fire tube with high heat exchange efficiency according to claim 1, characterized in that: The plurality of small heat exchange tubes (2) are evenly distributed on the fire tube body (1).