CN220893046U - High-performance long-life steam heat exchanger - Google Patents
High-performance long-life steam heat exchanger Download PDFInfo
- Publication number
- CN220893046U CN220893046U CN202323209361.0U CN202323209361U CN220893046U CN 220893046 U CN220893046 U CN 220893046U CN 202323209361 U CN202323209361 U CN 202323209361U CN 220893046 U CN220893046 U CN 220893046U
- Authority
- CN
- China
- Prior art keywords
- pipe
- heat exchanger
- bent
- arc
- steam heat
- 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
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 22
- 238000004140 cleaning Methods 0.000 claims description 5
- 230000008878 coupling Effects 0.000 claims 2
- 238000010168 coupling process Methods 0.000 claims 2
- 238000005859 coupling reaction Methods 0.000 claims 2
- 238000005299 abrasion Methods 0.000 abstract description 4
- 238000005336 cracking Methods 0.000 abstract description 4
- 230000007774 longterm Effects 0.000 abstract description 4
- 230000008646 thermal stress Effects 0.000 abstract description 4
- 238000005260 corrosion Methods 0.000 abstract description 3
- 230000007797 corrosion Effects 0.000 abstract description 3
- 238000009825 accumulation Methods 0.000 abstract description 2
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 239000007789 gas Substances 0.000 description 5
- 238000001035 drying Methods 0.000 description 3
- 239000012530 fluid Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000008642 heat stress Effects 0.000 description 2
- 239000008236 heating water Substances 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The utility model discloses a high-performance long-life steam heat exchanger, which comprises: the fixing frame is a hollow rectangular frame; the pipe sleeve is equidistantly arranged on two sides of the fixed frame, the four pipe sleeves are in a group, the upper pipe sleeve and the lower pipe sleeve are staggered to form an elbow, the elbow is arranged in the middle of the fixed frame, and two ends of the elbow penetrate out of the middle of the pipe sleeve, so that the pipe sleeve has the beneficial effects that: the pipe sleeve is additionally arranged at the joint of the bent pipe and the fixed frame, so that the abrasion of cold and hot deformation to the heat exchange pipe is reduced, the short-flow loop design is adopted through the straight pipe and the arc pipe, the accumulation time of condensed water in the heat exchanger is reduced, the water hammer impact and the corrosion of the condensed water to the pipe are reduced, the arc pipe of the bent pipe is replaced, the deformation, the cracking or the fatigue of the bent pipe caused by long-term thermal stress is avoided, the bent pipe turning part is convenient to clean, the accumulated dirt at the turning part is avoided, and the heat transfer efficiency of the steam heat exchanger is prevented from being influenced.
Description
Technical Field
The utility model relates to the technical field of steam heat exchangers, in particular to a high-performance long-service-life steam heat exchanger.
Background
The steam heat exchanger is a device for heating water or air by taking steam as a heat source, can fully replace a large amount of heat value in the steam for heating water or air, and can intensively convey the heated water or air into various drying and drying devices for heating or drying.
In modern life, the steam heat exchangers currently used more are in the form of hollow spiral coils or elbows. In practical application, most of heat exchange tubes are integrally formed, heat stress concentration is caused at the bent part of each bent tube during working, particularly under high-temperature working conditions, deformation, cracking or fatigue of each bent tube is caused by long-term heat stress, when the bent tube is damaged or deformed, the bent tube needs to be replaced integrally, the bent part of each bent tube is difficult to clean, particularly corners and dead corners at the bent part are difficult to clean, dirt is possibly accumulated, and the heat transfer efficiency of the steam heat exchanger is affected.
Disclosure of utility model
The utility model aims to provide a high-performance long-life steam heat exchanger so as to solve the problems in the background technology.
In order to achieve the above purpose, the present utility model provides the following technical solutions: a high performance long life steam heat exchanger comprising:
the fixing frame is a hollow rectangular frame;
The pipe sleeves are equidistantly arranged on two sides of the fixed frame, four pipe sleeves are in a group, the upper pipe sleeves and the lower pipe sleeves are staggered to form bent pipes, the bent pipes are arranged in the middle of the fixed frame, two ends of each bent pipe penetrate out of the middle of the corresponding pipe sleeve, each bent pipe comprises a straight pipe and an arc-shaped pipe, and the straight pipes are detachably connected with the arc-shaped pipes through connecting sleeves and used for cleaning and maintaining the bent pipes;
fins are equidistantly arranged on the fixed frame, and the straight pipes penetrate through the middle parts of the fins.
Preferably, the bent pipe comprises two straight pipes and an arc pipe, wherein the two ends of the arc pipe are fixedly connected with limiting plates, the connecting sleeve is sleeved on the outer side of the limiting plates, and one end of the connecting sleeve is provided with a threaded hole.
Preferably, one end of the straight pipe is fixedly connected with a connector, two ends of the arc-shaped pipe are provided with mounting holes matched with the connector, and one end of the straight pipe is provided with external threads matched with the threaded holes.
Preferably, a retraction groove is formed in the connection sleeve, and the retraction groove is connected with the limiting plate in a sliding mode.
Preferably, the pipe also comprises a hot shunt pipe and a cold collecting pipe, wherein the hot shunt pipe is fixedly connected with the water inlet pipe of the bent pipe, and the cold collecting pipe is fixedly connected with the water outlet end of the bent pipe.
Preferably, one side of the heat shunt tube is fixedly connected with a steam inlet tube, an exhaust valve is arranged in the middle of the steam inlet tube, a shunt plate is fixedly connected at the joint of the steam inlet tube and the heat shunt tube, and a flow hole is formed in the middle of the shunt plate.
Preferably, one end of the bottom of the cold header is fixedly connected with a steam outlet pipe, and the bottom of the steam outlet pipe is fixedly connected with a drain valve.
Compared with the prior art, the utility model has the beneficial effects that: the pipe sleeve is additionally arranged at the joint of the bent pipe and the fixed frame, so that the abrasion of cold and hot deformation to the heat exchange pipe is reduced, the short-flow loop design is adopted through the straight pipe and the arc pipe, the time for accumulating condensed water in the heat exchanger is reduced, the water hammer impact and the corrosion of the condensed water to the pipe are reduced, the service life of the heat exchanger is prolonged, the arc pipe of the bent pipe is replaced, the deformation, the cracking or the fatigue of the bent pipe caused by long-term thermal stress is avoided, the bent pipe turning part is convenient to clean, the accumulated dirt at the turning part is avoided, and the heat transfer efficiency of the steam heat exchanger is prevented from being influenced.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic view of the position structure of the pipe sleeve of the present utility model;
FIG. 3 is a schematic view of the internal structure of the connecting sleeve of the present utility model;
FIG. 4 is a schematic view of an arced tube according to the present utility model;
FIG. 5 is a schematic view of the structure of the splitter plate of the present utility model.
In the figure: 1. a fixed frame; 2. a thermal shunt; 3. a cold header; 4. a steam inlet pipe; 5. a steam outlet pipe; 6. a pipe sleeve; 7. bending the pipe; 71. a straight pipe; 72. an arc tube; 73. connecting sleeves; 74. a limiting plate; 75. a connector; 76. a retraction groove; 77. a threaded hole; 8. a fin; 9. a diverter plate; 10. a diversion aperture; 11. an exhaust valve; 12. and (3) a drainage valve.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-5, the present utility model provides a technical solution: a high performance long life steam heat exchanger comprising: the fixed frame 1 is a hollow rectangular frame; the pipe sleeves 6 are inserted and installed at the two sides of the fixed frame 1 at equal intervals, the four pipe sleeves 6 are in a group, the upper pipe sleeves 6 and the lower pipe sleeves 6 are staggered to form bent pipes 7, the bent pipes 7 are arranged in the middle of the fixed frame 1, two ends of each bent pipe 7 penetrate out of the middle of each pipe sleeve 6, each bent pipe 7 comprises a straight pipe 71 and an arc-shaped pipe 72, and the straight pipes 71 and the arc-shaped pipes 72 are detachably connected through connecting sleeves 73 and used for cleaning and maintaining the bent pipes 7; the fins 8 are equidistantly welded inside the fixed frame 1, and straight pipes 71 penetrate through the middle parts of the fins 8.
It should be noted that, the utility model adds a pipe sleeve 6 at the joint of the elbow 7 and the fixed frame 1, the joint between the pipe sleeve 6 and the elbow 7 has a gap and the contact surface between the pipe sleeve 6 and the elbow 7 is larger, the abrasion of cold and hot deformation to the heat exchange pipe is reduced, the stainless steel elbow 7 is adopted to pass through the structure of the aluminum fins 8, the elbow 7 is tightly contacted with the fins 8 in an expanding manner, the heat exchange performance is improved, the steam pipeline is connected with the steam inlet pipe 4, the steam enters the straight pipe 71 connected with the heat shunt pipe 2 through the steam inlet pipe 4 and the heat shunt pipe 2, then enters the other straight pipe 71 through the arc pipe 72 and is discharged through the cold collecting pipe 3 and the steam outlet pipe 5, the heat exchange efficiency between the heat transfer surface and the fluid can be improved by adding the fins, the heat energy is more effectively transferred to the fluid steam needing to be heated or cooled through the elbow, the heat is released in the elbow, the fins on the surface of the elbow increase the surface area, and the heat transfer effect is enhanced.
Referring to fig. 3 and 4, the bent pipe 7 includes two straight pipes 71 and an arc pipe 72, two ends of the arc pipe 72 are fixedly connected with a limiting plate 74, a connecting sleeve 73 is sleeved on the outer side of the limiting plate 74, one end of the connecting sleeve 73 is provided with a threaded hole 77, one end of the straight pipe 71 is fixedly connected with a connecting head 75, two ends of the arc pipe 72 are provided with mounting holes matched with the connecting head 75, one end of the straight pipe 71 is provided with external threads matched with the threaded hole 77, a retraction groove 76 is formed in the connecting sleeve 73, and the retraction groove 76 is slidably connected with the limiting plate 74.
It should be noted that, the turning point of the elbow 7 is an inflection point of fluid flow, abrasion of the elbow surface can be caused during operation, and thermal stress concentration can be caused at the turning point, especially under high-temperature working conditions; the long-term thermal stress causes deformation, cracking or fatigue of the bent pipe, the bent pipe turning part is difficult to clean, especially at the corners and dead angles of the bent part, dirt accumulation possibly occurs due to the difficulty in cleaning, the heat transfer efficiency of the steam heat exchanger is affected, the time for accumulating condensed water in the heat exchanger is reduced by adopting a short-flow loop design through the straight pipe 71 and the arc pipe 72, the water hammer impact and the corrosion of the condensed water to the pipe are reduced, the service life of the heat exchanger is prolonged, the threaded hole 77 is separated from the threads on the outer side of the straight pipe 71 by rotating the connecting sleeve 73, the arc pipe 72 and the straight pipe 71 are detached, the cleaning and the replacement are convenient, the straight pipe 71 is inserted into the two ends of the arc pipe 72 during installation, then the connecting sleeve 73 is rotated to be connected with the bolts on the outer side of the straight pipe 71, and the straight pipe 71 is pulled to one end of the arc pipe 72 under the limit effect of the limit plate 74 on the retraction groove 76, so that tight connection is realized.
Referring to fig. 1, 2 and 5, the utility model further comprises a heat shunt tube 2 and a cold collecting tube 3, wherein the heat shunt tube 2 is fixedly connected with a water inlet pipe of the elbow 7, the cold collecting tube 3 is fixedly connected with a water outlet end of the elbow 7, one side of the heat shunt tube 2 is fixedly connected with a steam inlet tube 4, an exhaust valve 11 is arranged in the middle of the steam inlet tube 4, a shunt plate 9 is fixedly connected at the joint of the steam inlet tube 4 and the heat shunt tube 2, a shunt hole 10 is arranged in the middle of the shunt plate 9, one end of the bottom of the cold collecting tube 3 is fixedly connected with a steam outlet tube 5, and the bottom of the steam outlet tube 5 is fixedly connected with a drain valve 12.
It should be noted that the vent valve of the present utility model functions in a steam system where air and other non-condensable gases may be present in the piping and steam heat exchanger. The main function of the exhaust valve is to exhaust the gases, prevent the gases from affecting steam heat transfer and causing unstable systems; the presence of air and gas can reduce the heat transfer efficiency because of their poor heat transfer properties. By periodically removing these gases, the vent valve helps to maintain pure steam in the system, improving the heat transfer efficiency of the steam heat exchanger; in a steam heat exchanger, steam condenses into water during cooling, forming condensed water. The drain valve functions to remove the condensed water and prevent it from accumulating in the system, thereby maintaining the normal operation of the steam heat exchanger, and the water hammer is a pressure impact generated by the rapid stop or change of direction of the condensed water in the pipe. The drain valve is helpful for reducing the influence of water hammer and protecting the steam heat exchanger and the system by removing condensed water; the steam inlet is provided with a splitter plate, so that the impact of steam on the heat exchanger is reduced.
In the description of the present utility model, it should be understood that the terms "coaxial," "bottom," "one end," "top," "middle," "another end," "upper," "one side," "top," "inner," "front," "center," "two ends," etc. indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
Furthermore, the terms "first," "second," "third," "fourth," and the like are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated, whereby features defining "first," "second," "third," "fourth" may explicitly or implicitly include at least one such feature.
In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "configured," "connected," "secured," "screwed," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intermediaries, or in communication with each other or in interaction with each other, unless explicitly defined otherwise, the meaning of the terms described above in this application will be understood by those of ordinary skill in the art in view of the specific circumstances.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. A high-performance long-life steam heat exchanger is characterized in that: comprising the following steps:
the fixing frame (1), the fixing frame (1) is a hollow rectangular frame;
The pipe sleeves (6) are equidistantly arranged on two sides of the fixed frame (1), the four pipe sleeves (6) are in a group, the upper pipe sleeves (6) and the lower pipe sleeves (6) are staggered to form bent pipes (7), the bent pipes (7) are arranged in the middle of the fixed frame (1), two ends of each bent pipe (7) penetrate out of the middle of the corresponding pipe sleeve (6), each bent pipe (7) comprises a straight pipe (71) and an arc-shaped pipe (72), and the straight pipes (71) are detachably connected with the arc-shaped pipes (72) through connecting sleeves (73) and are used for cleaning and maintaining the bent pipes (7);
The fins (8) are equidistantly arranged on the fixed frame (1), and the straight pipes (71) penetrate through the middle parts of the fins (8).
2. A high performance long life steam heat exchanger according to claim 1 wherein: the bent pipe (7) comprises two straight pipes (71) and an arc-shaped pipe (72), limiting plates (74) are fixedly connected to two ends of the arc-shaped pipe (72), the connecting sleeve (73) is sleeved on the outer side of the limiting plates (74), and a threaded hole (77) is formed in one end of the connecting sleeve (73).
3. A high performance long life steam heat exchanger according to claim 2 wherein: one end fixedly connected with connector (75) of straight tube (71), the both ends of arc pipe (72) are equipped with connector (75) complex mounting hole, the one end of straight tube (71) be equipped with screw hole (77) complex external screw thread.
4. A high performance long life steam heat exchanger according to claim 3 wherein: the inside of adapter sleeve (73) is equipped with and contracts groove (76), retract groove (76) and limiting plate (74) sliding connection.
5. A high performance long life steam heat exchanger according to claim 1 wherein: the cold collecting pipe (3) is fixedly connected with the water outlet end of the bent pipe (7).
6. A high performance long life steam heat exchanger according to claim 5 wherein: one side rigid coupling of heat shunt tubes (2) has steam inlet tube (4), the mid-mounting of steam inlet tube (4) has discharge valve (11), the junction rigid coupling of steam inlet tube (4) and heat shunt tubes (2) has flow distribution plate (9), and the middle part of flow distribution plate (9) is equipped with discharge orifice (10).
7. A high performance long life steam heat exchanger according to claim 5 wherein: one end of the bottom of the cold collecting pipe (3) is fixedly connected with a steam outlet pipe (5), and the bottom of the steam outlet pipe (5) is fixedly connected with a drain valve (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323209361.0U CN220893046U (en) | 2023-11-28 | 2023-11-28 | High-performance long-life steam heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323209361.0U CN220893046U (en) | 2023-11-28 | 2023-11-28 | High-performance long-life steam heat exchanger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220893046U true CN220893046U (en) | 2024-05-03 |
Family
ID=90868832
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323209361.0U Active CN220893046U (en) | 2023-11-28 | 2023-11-28 | High-performance long-life steam heat exchanger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220893046U (en) |
-
2023
- 2023-11-28 CN CN202323209361.0U patent/CN220893046U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102901224A (en) | Forced helical fin coil pipe and fin serpentuator condensation heat supply heat exchanger | |
| CN220893046U (en) | High-performance long-life steam heat exchanger | |
| CN214371909U (en) | Double-protection wear-resistant corrosion-resistant heat supply network heater | |
| CN109696077A (en) | A kind of the low thermal resistance automatically cleaning heat exchanger tube and condenser of enhanced heat exchange | |
| CN209244615U (en) | A kind of turbine low pressure cylinder cooling device | |
| CN207662258U (en) | A kind of the low thermal resistance automatically cleaning heat exchanger tube and condenser of enhanced heat exchange | |
| CN111551051A (en) | Semicircular fin heat exchange tube type flue gas cooling and heat exchange waste heat utilization system | |
| CN219265061U (en) | Opposite feeding heat exchange cooling device | |
| CN219346844U (en) | Novel condenser | |
| CN213932123U (en) | Shell and tube finned heat exchanger for air cooling | |
| CN216869231U (en) | Sectional type heat exchanger | |
| CN215413308U (en) | Novel U-shaped shell and tube heat exchanger | |
| CN213902055U (en) | Finned tube convenient to install and radiator | |
| CN220771980U (en) | Corrugated pipe heat exchanger | |
| CN215928682U (en) | Seamless steel pipe for petroleum cracking | |
| CN210241151U (en) | Air compressor lubricating oil cooler | |
| CN217155079U (en) | Integral finned tube type radial heat pipe and economizer | |
| CN213543334U (en) | Novel heat exchanger | |
| CN216245700U (en) | Spinning spiral finned tube MGGH heat exchanger | |
| CN219290875U (en) | Corrosion prevention device for low-temperature flue gas dust removal | |
| CN210268253U (en) | Device with efficient heat transfer performance | |
| CN219977135U (en) | Multifunctional condenser flow path structure | |
| CN220567904U (en) | Fused salt energy storage node double-coil heat exchanger for industrial waste heat recovery | |
| CN219283386U (en) | Energy-efficient primary air steam air preheater | |
| CN216014194U (en) | Detachable radiating fin for cooling equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant |