CN212378556U - Multi-tube group twist combined heat exchange tube heat exchanger - Google Patents
Multi-tube group twist combined heat exchange tube heat exchanger Download PDFInfo
- Publication number
- CN212378556U CN212378556U CN202020926317.9U CN202020926317U CN212378556U CN 212378556 U CN212378556 U CN 212378556U CN 202020926317 U CN202020926317 U CN 202020926317U CN 212378556 U CN212378556 U CN 212378556U
- Authority
- CN
- China
- Prior art keywords
- tube
- heat exchange
- twisted
- exchange tube
- group
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The utility model relates to a multi-tube group twist combined heat exchange tube heat exchanger, including first tube case, first tube sheet, the barrel, the pull rod, the distance tube, the baffling board, the second tube sheet, the second tube case, shell side fluid is first, two interfaces, tube side fluid is first, two interfaces and distortion heat exchange tube group, distortion heat exchange tube group comprises a plurality of distortion heat exchange tubes, the both ends of every distortion heat exchange tube are the straight tube, the middle part is the distortion pipeline section, the both ends of distortion heat exchange tube group are fixed with first tube sheet and second tube sheet respectively, the both ends of distortion heat exchange tube group communicate with first tube case and second tube case respectively; the rotating directions of all the heat exchange tubes in each group of the twisted heat exchange tube sets are consistent, and the rotating directions of two adjacent groups of the twisted heat exchange tube sets are opposite. The utility model discloses compare with the smooth straight pipe heat exchanger of tradition, the utility model has the advantages of turbulent degree is high, heat transfer effect is good, shell side pressure drop reduces, anti dirt performance is good etc.
Description
Technical Field
The utility model relates to a heat exchanger of heat exchange tube, specifically speaking are multi-tube group twist combination formula heat exchange tube heat exchanger.
Background
With the requirement of large environment of world sustainable development and continuous lack of energy sources, the high-efficiency utilization of the energy sources by various industries becomes necessary. The heat exchanger is used as core equipment in a heat transfer system, and the cost accounts for a higher proportion in the whole system, so that the application of the heat transfer enhancement technology has important significance.
Disclosure of Invention
The utility model aims at overcoming the deficiencies in the prior art and providing a multi-tube-group twist combined heat exchange tube heat exchanger with high turbulence degree, good heat transfer effect, reduced shell pass pressure drop and better anti-scaling performance.
According to the technical scheme provided by the utility model, the multi-tube group twist combined heat exchange tube heat exchanger comprises a first tube box, a first tube plate, a tube body, a pull rod, a distance tube, a baffle plate, a second tube box, a shell pass fluid first interface, a shell pass fluid second interface, a tube pass fluid first interface and a tube pass fluid second interface; a shell-side fluid first interface and a shell-side fluid second interface are respectively fixed on the outer walls of two ends of the cylinder, a first tube plate is fixed at one end of the cylinder, a first tube box is fixed on the first tube plate, a tube-side fluid first interface is fixed on the first tube box, a second tube plate is fixed at the other end of the cylinder, a second tube box is fixed on the second tube plate, a tube-side fluid second interface is fixed on the second tube box, a pull rod and a distance tube are fixed on the first tube plate or the second tube plate, and a baffle plate is fixed on the distance tube;
the heat exchange system is characterized by further comprising a twisted heat exchange tube group, wherein the twisted heat exchange tube group is composed of a plurality of twisted heat exchange tubes, two ends of each twisted heat exchange tube are straight tubes, the middle part of each twisted heat exchange tube is a twisted tube section, two ends of each twisted heat exchange tube group are respectively fixed with the first tube plate and the second tube plate, and two ends of each twisted heat exchange tube group are respectively communicated with the first tube box and the second tube box; the rotating directions of all the heat exchange tubes in each group of the twisted heat exchange tube sets are consistent, and the rotating directions of two adjacent groups of the twisted heat exchange tube sets are opposite.
Preferably, the number of the twisted heat exchange tubes in each group of twisted heat exchange tube groups is 2-4, and the distance between every two adjacent twisted heat exchange tubes is equal. Further preferably, the number of the twisted heat exchange tubes in each group of the twisted heat exchange tube groups is 3.
Preferably, the heat exchanger further comprises a heat exchange straight pipe, two ends of the heat exchange straight pipe are respectively fixed with the first pipe plate and the second pipe plate, and the heat exchange straight pipe is arranged at the edge position of the pipe plates.
Preferably, the cylinder is arranged horizontally or vertically.
The utility model discloses compare with the smooth straight pipe heat exchanger of tradition, the utility model has the advantages of turbulent degree is high, heat transfer effect is good, shell side pressure drop reduces, anti dirt performance is good etc. The utility model relates to an use heat exchanger of distortion heat transfer pipe group as heat transfer component, it both can practice thrift metal tubular product, can show again and improve heat utilization efficiency.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a cross-sectional view of the baffle plate of the present invention.
Fig. 3 is a front view of two adjacent twisted heat exchange tube sets.
Detailed Description
The present invention will be further described with reference to the following specific embodiments.
The utility model discloses a multi-tube group twist combined heat exchange tube heat exchanger, including first tube case 1, first tube sheet 2, barrel 3, pull rod 4, distance tube 5, baffling board 6, second tube sheet 8, second tube case 9, shell side fluid first interface N2, shell side fluid second interface N3, tube side fluid first interface N1 and tube side fluid second interface N4; a shell-side fluid first interface N2 and a shell-side fluid second interface N3 are respectively fixed on the outer walls of two ends of a horizontally-arranged cylinder 3, a first tube plate 2 is fixed at one end of the cylinder 3, a first tube box 1 is fixed on the first tube plate 2, a tube-side fluid first interface N1 is fixed on the first tube box 1, a second tube plate 8 is fixed at the other end of the cylinder 3, a second tube box 9 is fixed on the second tube plate 8, a tube-side fluid second interface N4 is fixed on the second tube box 9, a pull rod 4 and a distance tube 5 are fixed on the first tube plate 2 or the second tube plate 8, and a baffle plate 6 is fixed on the distance tube 5;
the heat exchange tube comprises a plurality of twisted heat exchange tube groups 7, each twisted heat exchange tube group 7 is composed of 3 twisted heat exchange tubes, each twisted heat exchange tube group 7 is in a twist shape, two ends of each twisted heat exchange tube are straight tubes, the middle of each twisted heat exchange tube is a twisted tube section, two ends of each twisted heat exchange tube group 7 are respectively fixed with a first tube plate 2 and a second tube plate 8, and two ends of each twisted heat exchange tube group 7 are respectively communicated with a first tube box 1 and a second tube box 9; the rotating directions of each heat exchange tube in each group of the twisted heat exchange tube sets 7 are consistent, and the rotating directions of two adjacent groups of the twisted heat exchange tube sets 7 are opposite.
The heat exchange tube is characterized by further comprising a heat exchange straight tube 10, two ends of the heat exchange straight tube 10 are fixed with the first tube plate 2 and the second tube plate 8 respectively, and the heat exchange straight tube 10 is installed at the edge position of the tube plates.
As shown in fig. 1, a shell-side fluid enters the cylinder 3 from a shell-side fluid first interface N2, after heat exchange is finished, the shell-side fluid flows out of the cylinder 3 from a shell-side fluid second interface N3, the shell-side fluid flows through the outside of a twisted heat exchange tube in the twisted heat exchange tube group 7, the twisted heat exchange tube group 7 consisting of 3 twisted heat exchange tubes keeps the high-efficiency heat transfer advantage of the traditional heat exchanger of transversely scouring heat exchange tubes, and simultaneously, the flow rate and the flow direction of the shell-side fluid in the twisted tube section are changed, so that the transverse and longitudinal mixing of the fluid is enhanced, the disturbance degree of the shell-side fluid is increased, the reynolds coefficient (Re) of the fluid flow is increased, and the laminar flow thickness of the. Therefore, the twisted heat exchange tube group 7 consisting of 3 twisted heat exchange tubes increases the turbulence degree of the shell-side fluid, so that the heat transfer coefficient h of the shell-side convective heat transfer surface is increased1And the anti-scaling capability is increased, and meanwhile, the distance between the twisted heat exchange tubes in the twisted heat exchange tube group 7 is increased compared with that of the traditional heat exchange tubes, so that the pressure drop in the shell side is reduced. The tube side fluid enters from the tube side fluid first interface N1, flows into the first tube box 1 and then is distributed in each twisted heat exchange tube, shuttles in the spiral flow channel of each twisted heat exchange tube and is in the spiral flow channelSecondary flow rotation is formed under the action of the flow channel, repeated and complex flow is realized, and the tube pass fluid flows out from the tube pass fluid second interface N4, so that the heat transfer coefficient h of the convection heat transfer surface of the tube pass fluid2The same is true and the anti-scaling capability is also increased.
Therefore, the area thermal resistance is 1/h1And 1/h2The ratio delta/lambda of the wall thickness of the heat exchange tube to the heat conductivity coefficient is not changed, and the fouling coefficient R is reducedFouling materialSlightly reduced, so the total heat transfer coefficient of the heat exchanger
And (4) increasing. Therefore, even the utility model discloses a heat transfer area is reduced slightly than the heat transfer area of traditional heat exchanger heat exchange tube, because total coefficient of heat transfer K increases, the utility model discloses a heat exchanger heat transfer effect does not reduce or even increases to some extent.
The utility model discloses in, the distortion heat exchange tube in distortion heat exchange tube group 7 is formed with the processing of ordinary straight pipe heat exchange tube, mainly twists the processing to the middle section of ordinary straight pipe heat exchange tube, forms the distortion pipeline section. When a twisted pipe section of each twisted heat exchange pipe in each twisted heat exchange pipe group 7 is processed, three common straight circular pipe heat exchange pipes perform rotation motion around a shaft according to a triangular centroid formed by the center line of the twisted pipe of each twisted heat exchange pipe group 7 in fig. 2. Each heat exchange tube is required to ensure that the rotation directions of the twisted tube sections in the same group of twisted heat exchange tube groups 7 are consistent, and the rotation directions of the twisted tube sections in adjacent groups are opposite, so that the heat exchange tube sections in the two adjacent groups of twisted heat exchange tube groups 7 can be ensured not to interfere with each other in the rotation process.
Claims (5)
1. A multi-tube-group twist-shaped combined heat exchange tube heat exchanger comprises a first tube box (1), a first tube plate (2), a cylinder (3), a pull rod (4), a distance tube (5), a baffle plate (6), a second tube plate (8), a second tube box (9), a shell-side fluid first interface (N2), a shell-side fluid second interface (N3), a tube-side fluid first interface (N1) and a tube-side fluid second interface (N4); a shell-side fluid first interface (N2) and a shell-side fluid second interface (N3) are respectively fixed on the outer walls of two ends of a cylinder (3), a first tube plate (2) is fixed at one end of the cylinder (3), a first tube box (1) is fixed on the first tube plate (2), a tube-side fluid first interface (N1) is fixed on the first tube box (1), a second tube plate (8) is fixed at the other end of the cylinder (3), a second tube box (9) is fixed on the second tube plate (8), a tube-side fluid second interface (N4) is fixed on the second tube box (9), a pull rod (4) and a distance tube (5) are fixed on the first tube plate (2) or the second tube plate (8), and a baffle plate (6) is fixed on the distance tube (5);
the method is characterized in that: the heat exchanger is characterized by further comprising a twisted heat exchange tube set (7), wherein the twisted heat exchange tube set (7) is composed of a plurality of twisted heat exchange tubes, two ends of each twisted heat exchange tube are straight tubes, the middle of each twisted heat exchange tube is a twisted tube section, two ends of the twisted heat exchange tube set (7) are respectively fixed with the first tube plate (2) and the second tube plate (8), and two ends of the twisted heat exchange tube set (7) are respectively communicated with the first tube box (1) and the second tube box (9); the rotating directions of all the heat exchange tubes in each group of the twisted heat exchange tube sets (7) are consistent, and the rotating directions of two adjacent groups of the twisted heat exchange tube sets (7) are opposite.
2. The multi-tube bank twist combination heat exchange tube heat exchanger of claim 1, wherein: the number of the twisted heat exchange tubes in each group of twisted heat exchange tube groups (7) is 2-4, and the distance between every two adjacent twisted heat exchange tubes is equal.
3. The multi-tube bank twist combination heat exchange tube heat exchanger of claim 2, wherein: the number of the twisted heat exchange tubes in each group of the twisted heat exchange tube group (7) is 3.
4. The multi-tube bank twist combination heat exchange tube heat exchanger of claim 1, wherein: the heat exchange tube is characterized by further comprising a heat exchange straight tube (10), two ends of the heat exchange straight tube (10) are fixed with the first tube plate (2) and the second tube plate (8) respectively, and the heat exchange straight tube (10) is installed at the edge position of the tube plates.
5. The multi-tube bank twist combination heat exchange tube heat exchanger of claim 1, wherein: the cylinder body (3) is horizontally or vertically arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020926317.9U CN212378556U (en) | 2020-05-27 | 2020-05-27 | Multi-tube group twist combined heat exchange tube heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020926317.9U CN212378556U (en) | 2020-05-27 | 2020-05-27 | Multi-tube group twist combined heat exchange tube heat exchanger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212378556U true CN212378556U (en) | 2021-01-19 |
Family
ID=74178864
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020926317.9U Active CN212378556U (en) | 2020-05-27 | 2020-05-27 | Multi-tube group twist combined heat exchange tube heat exchanger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212378556U (en) |
-
2020
- 2020-05-27 CN CN202020926317.9U patent/CN212378556U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204007233U (en) | The U-shaped pipe heat exchanger of a kind of continuous helical deflecting plate | |
| CN104697360B (en) | Shell side current-sharing spiral support longitudinal-flow heat exchanger | |
| CN101435668A (en) | Internal and external fin flat tube heat exchanger | |
| CN212378556U (en) | Multi-tube group twist combined heat exchange tube heat exchanger | |
| CN203837550U (en) | Discontinuous and bi-directional warping type heat exchange tube | |
| CN205002636U (en) | Four tube side tubular heat exchanger | |
| CN105043141A (en) | Large double-helix baffle type heat exchanger | |
| CN203595430U (en) | Matrix type sleeve heat exchanger | |
| CN203744605U (en) | Air conditioner heat exchanger with foam metal fins | |
| CN207797806U (en) | A kind of special pipe wing heat exchanger | |
| CN105605951A (en) | Novel variable-cross-section twisted tube heat exchanger | |
| CN103759471B (en) | A kind of air-condition heat exchanger of foam metal fin | |
| CN109489457A (en) | A kind of turbulent flow shell-and-tube heat exchanger | |
| CN206037779U (en) | Novel parallel tubes formula heat exchanger | |
| CN112762753A (en) | Multi-section type reinforced heat exchange tube based on internal thread and positive and negative internal fin coupling structure | |
| CN100467993C (en) | Helical baffles support dimpled pipe bundle heat exchanger | |
| CN209961013U (en) | Torsion tube type convection radiator | |
| CN108731513B (en) | Torsional flow shell-and-tube heat exchanger | |
| CN207066199U (en) | Shell-and-tube exchanger | |
| CN202692806U (en) | Tube-shell type heat exchanger | |
| CN205580259U (en) | Snakelike bank of tubes and heat exchange device | |
| CN205090853U (en) | High -efficient reducing node heat exchange tube | |
| CN204830950U (en) | Large -scale double helix baffling plate heat exchanger | |
| CN100533037C (en) | Continuous spiral traverse baffle double shell side combined special-shaped tube bundle heat exchanger | |
| CN205580257U (en) | Snakelike bank of tubes of turbulent flow and heat exchange device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |