CN216347933U - Enhanced heat transfer built-in turbulent flow descaling heat supply network heater - Google Patents
Enhanced heat transfer built-in turbulent flow descaling heat supply network heater Download PDFInfo
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- CN216347933U CN216347933U CN202122807524.XU CN202122807524U CN216347933U CN 216347933 U CN216347933 U CN 216347933U CN 202122807524 U CN202122807524 U CN 202122807524U CN 216347933 U CN216347933 U CN 216347933U
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Abstract
The utility model discloses a heat supply network heater with built-in turbulence and descaling functions for enhanced heat transfer, which comprises a front-end tube box, a shell, tube plates, heat exchange tubes and a rear-end tube box, wherein turbulence components are arranged in the heat exchange tubes, and the turbulence components in each heat exchange tube are connected with the front and rear tube plate ends through connecting pieces to form a reticular body. The utility model can put the processed stainless steel turbulence component in the heat exchange tube of the heater under the condition of not changing the original structure and style of the original heat supply network heater, and the circulating water entering the heat exchange tube makes the stainless steel turbulence component rotate by taking the central line of the heat exchange tube as the axis, so that the circulating water is sufficiently turbulent, thereby not only enhancing the heat exchange effect of the heat supply network heater, but also reducing the generation of dirt in the heat exchange tube; greatly reduces the descaling, overhauling and maintaining cost of the heating network heater.
Description
Technical Field
The utility model relates to the technical field of heat supply network heaters, in particular to a heat supply network heater with an enhanced heat transfer and built-in turbulence descaling function.
Background
With the increase of newly-built power plants and the increasing demand of central heating, the application of the heat supply network heater is more and more extensive, and the heat supply network heater is indispensable medium-hardness equipment no matter the power plant cogeneration project or the starting of a steam-water heat exchange project of a heat supply company; the heat exchange effect of the heat supply network heater at the present stage is often low, and the heat exchanger is actually disassembled, so that most of heat exchange tubes are light tubes, threaded tubes and other heat exchange tubes, the threaded tubes improve the heat transfer effect, but the inherent form of the threaded tubes is changed due to the forming reason of the threaded tubes, so that the service life of the threaded tubes is not longer than that of the light tubes.
SUMMERY OF THE UTILITY MODEL
In order to overcome the problems in the prior art, the utility model provides a heat supply network heater with an enhanced heat transfer and built-in turbulence descaling function.
The technical scheme adopted by the utility model for solving the technical problems is as follows: the heat supply network heater with the built-in turbulence and descaling functions for heat transfer enhancement comprises a front end pipe box, a shell, pipe plates, heat exchange pipes and a rear end pipe box, wherein turbulence components are arranged in the heat exchange pipes, and the turbulence components in each heat exchange pipe are connected with the front and rear pipe plate ends through connecting pieces to form a net-shaped body.
Furthermore, the turbulence component at least comprises a rotating fan and a rotating shaft, the two ends of the rotating shaft are respectively fixed at the two ends of the heat exchange tube, the rotating shaft is arranged on the central axis of the heat exchange tube, the rotating shaft is provided with a plurality of rotating fans, and the rotating fans rotate around the rotating shaft under the impact of circulating water to enable the circulating water to be turbulent.
Further, the rotating shaft is made of stainless steel wires, the rotating fan comprises at least three blades, and the rotating fan is made of stainless steel materials.
Furthermore, a shaft sleeve matched with the rotating shaft is arranged at the center of the rotating fan, and stainless steel limiting blocks are arranged at two ends of the rotating shaft, corresponding to the rotating fan.
Furthermore, the connecting piece is a stainless steel wire, and the connecting piece connects the rotating shafts of the turbulence assemblies in the heat exchange tubes to form a protective net body.
In summary, the technical scheme of the utility model has the following beneficial effects:
1. the heat transfer effect is greatly enhanced by changing the fluid state; in the heat pipe of the heat exchanger, the stainless steel turbulence components can convert fluid in the heat exchange pipe from laminar flow to turbulent flow, effectively improve the heat transfer effect of the heat exchanger and obviously enhance the heat transfer efficiency of the heat exchanger.
2. The generation of dirt in the heat exchange pipe is effectively inhibited through the rotation of the rotating fan in the heat exchange pipe, and the heat exchanger removes the dirt all the time as long as circulating water flows all the time; firstly, because of the turbulent flow of the fluid, the temperature gradient of the medium is small, and the formation and growth of dirt are inhibited; secondly, because the turbulence degree is very high (turbolator intensification is equivalent to a static mixer), impurities in the fluid are not easy to precipitate into scales, and the heat transfer effect cannot be influenced by the scales generated in the heat exchange tube.
3. The service life of the heat exchanger is prolonged: the stainless steel turbulence component does not damage the original state of the heat exchange tube, and only adds a small component in the heat exchange tube; unlike other heat exchangers, which utilize threaded pipes, corrugated pipes and the like, the heat exchange effect is improved by changing the original shape of the heat exchange pipes. The stainless steel turbulence component is firmly fixed on the tube plate by using a steel wire to form a net shape, and meanwhile, the net structure reduces the scouring of circulating water to a welded junction of the heat exchange tube and the tube plate.
Drawings
Fig. 1 is an overall structural view of the present invention.
Fig. 2 is a structural view of a single heat exchange tube and a flow disturbing assembly.
Fig. 3 is a lateral view of the connection of the turbulator assembly to the heat exchange tube.
Fig. 4 is a structural view of the rotary fan.
Fig. 5 is a view of an installation structure of the rotary fan.
In the figure:
the heat exchanger comprises a shell 1, a heat exchange tube 2, a rotating fan 3, a rotating shaft 4, a shaft sleeve 5, a limiting block 6, a connecting piece 7 and blades 8.
Detailed Description
The features and principles of the present invention will be described in detail below with reference to the accompanying drawings, which illustrate embodiments of the utility model and are not intended to limit the scope of the utility model.
The heat supply network heater with the built-in turbulence and descaling functions for enhanced heat transfer comprises a front-end tube box, a shell 1, a tube plate, a heat exchange tube 2 and a rear-end tube box, wherein the front-end tube box and the rear-end tube box are respectively arranged at two ends of the shell 1, and the heat exchange tube 2 is installed in the shell 1 through the tube plate. The heat exchange tube 2 can be a straight tube, a turbulence component is arranged in the heat exchange tube 2, the inherent form of the heat exchange tube 2 is not changed, laminar flow of water entering the heat exchange tube 2 is changed into turbulent flow, the flow velocity of water in the heat exchange tube 2 is increased, and the generation of dirt is reduced. As shown in fig. 1, the flow perturbation elements in each heat exchange tube 2 are connected by a connecting piece 7 at the front and rear tube plate ends to form a net-shaped body. The connecting piece 7 is a stainless steel wire, and the rotating shaft 4 of the turbulence component in each heat exchange tube 2 is connected by the connecting piece 7 to form a protective reticular body. Namely, the stainless steel turbulence component is firmly fixed on the tube plate, and meanwhile, the net structure reduces the scouring of the circulating water to the welded junction of the heat exchange tube 2 and the tube plate. The service life of the heat exchanger is prolonged. The heat-transfer enhancement built-in turbulent flow descaling heat supply network heater is a novel heat supply network heater which utilizes steam extracted by a steam turbine or steam introduced by a boiler to heat circulating water in a hot water supply system so as to meet the heat supply requirement. Compared with other heat supply network heater devices, the enhanced heat transfer built-in turbulent flow type descaling heat supply network heater can be more suitable for a large thermal power plant with complex working conditions and circulating water quality, greatly reduces the generation of dirt in the heat exchange tube 2, changes the flow track of water in the heat exchange tube 2 and enables circulating water in the heat exchange tube 2 to be more turbulent. The heat exchange effect is enhanced.
As shown in fig. 2 to 4, the spoiler assembly includes at least a rotating fan 3 and a rotating shaft 4, both ends of the rotating shaft 4 are fixed to both ends of the heat exchange tube 2, respectively, and the rotating shaft 4 is installed on a central axis of the heat exchange tube 2, i.e., the rotating shaft 4 is disposed along a length direction of the heat exchange tube 2 and is installed at a central axis position of the heat exchange tube 2. A plurality of rotating fans 3 are arranged on the rotating shaft 4, and the rotating fans 3 rotate around the rotating shaft 4 under the impact of circulating water to enable the circulating water to be turbulent. Namely, the circulating water makes the rotary fan 3 rotate, change the circulating water flow state, make the circulating water fully rotate, play the effect of getting rid of dirt in the heat exchange tube 2 promptly, guarantee not to increase new dirt in the heat exchange tube 2 again to the effect of circulating water and the outer medium of heat exchange tube 2 heat transfer is strengthened. The number of the rotary fans 3 can be selected according to the length of the specific heat exchange pipe 2.
The rotating shaft 4 is made of stainless steel wire, the rotating fan 3 includes at least three blades 8 (fig. 4 and 5), and the rotating fan 3 is made of stainless steel material. The center of the rotating fan 3 is provided with a shaft sleeve 5 matched with the rotating shaft 4, and two ends of the rotating shaft 4 corresponding to the rotating fan 3 are provided with stainless steel limiting blocks 6. The vanes 8 are fixed integrally with the hub 5, and the hub 5 is rotatable on the rotary shaft 4. The stainless steel stopper 6 may be welded directly to the rotary shaft 4.
The formed stainless steel turbulence components are arranged in the tube bundle, the turbulence components can be firmly fixed at the front tube plate and the rear tube plate by using steel wires to form a net structure, the rotating fans 3 penetrate through the steel wires and are placed one by one at intervals, the number of the stainless steel turbulence components is determined by the length of the heat exchange tube 2, when circulating water enters the heat exchange tube 2, the circulating water impacts the rotating fans 3 of the stainless steel turbulence components to rotate, the flowing state of the circulating water is changed, the circulating water is fully rotated, the effect of removing dirt in the heat exchange tube 2 is achieved, new dirt is not added in the heat exchange tube 2, and the effect of strengthening heat exchange between the circulating water and a medium outside the heat exchange tube 2 is improved.
The utility model can put the processed stainless steel turbulence component into the heat exchange tube 2 of the heater under the condition of not changing the original structure and style of the original heating network heater, and the circulating water entering the heat exchange tube 2 makes the stainless steel turbulence component rotate by taking the central line of the heat exchange tube 2 as the axis, so that the circulating water is sufficiently turbulent, thereby not only enhancing the heat exchange effect of the heating network heater, but also reducing the generation of dirt in the heat exchange tube 2; greatly reduces the descaling, overhauling and maintaining cost of the heating network heater.
The above-mentioned embodiments are merely illustrative of the preferred embodiments of the present invention, and do not limit the scope of the present invention, and various modifications and improvements of the present invention by those skilled in the art without departing from the spirit of the present invention are intended to be covered by the protection scope defined by the claims of the present invention.
Claims (5)
1. The heat supply network heater is characterized in that a turbulence component is arranged in the heat exchange tube, and the turbulence component in each heat exchange tube is connected with the front tube plate end and the rear tube plate end by a connecting piece to form a net-shaped body.
2. The heater as claimed in claim 1, wherein the turbulence member comprises at least a rotary fan and a rotary shaft, both ends of the rotary shaft are fixed to both ends of the heat exchange tube, the rotary shaft is mounted on a central axis of the heat exchange tube, the rotary fan is mounted on the rotary shaft, and the rotary fan rotates around the rotary shaft under the impact of the circulating water to make the circulating water turbulent.
3. The enhanced heat transfer built-in turbulated descale heat network heater of claim 2, wherein the rotating shaft is stainless steel wire, the rotating fan comprises at least three blades, and the rotating fan is made of stainless steel material.
4. The heater of claim 2, wherein a bushing is disposed at the center of the rotating fan and engaged with the rotating shaft, and stainless steel stoppers are disposed at two ends of the rotating shaft corresponding to the rotating fan.
5. The heater as claimed in claim 2, wherein the connecting member is a stainless steel wire, and connects the rotating shafts of the turbulent flow components in each heat exchange tube to form a protective net.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122807524.XU CN216347933U (en) | 2021-11-18 | 2021-11-18 | Enhanced heat transfer built-in turbulent flow descaling heat supply network heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122807524.XU CN216347933U (en) | 2021-11-18 | 2021-11-18 | Enhanced heat transfer built-in turbulent flow descaling heat supply network heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216347933U true CN216347933U (en) | 2022-04-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122807524.XU Active CN216347933U (en) | 2021-11-18 | 2021-11-18 | Enhanced heat transfer built-in turbulent flow descaling heat supply network heater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216347933U (en) |
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2021
- 2021-11-18 CN CN202122807524.XU patent/CN216347933U/en active Active
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