CN219736043U - Reinforced heat exchanger - Google Patents
Reinforced heat exchanger Download PDFInfo
- Publication number
- CN219736043U CN219736043U CN202320525036.6U CN202320525036U CN219736043U CN 219736043 U CN219736043 U CN 219736043U CN 202320525036 U CN202320525036 U CN 202320525036U CN 219736043 U CN219736043 U CN 219736043U
- Authority
- CN
- China
- Prior art keywords
- heat exchange
- heat exchanger
- heat
- access hole
- exchange tube
- 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 62
- 238000001914 filtration Methods 0.000 claims abstract description 4
- 239000011148 porous material Substances 0.000 claims abstract description 3
- 238000007789 sealing Methods 0.000 claims description 31
- 210000004907 gland Anatomy 0.000 claims description 19
- 238000009833 condensation Methods 0.000 claims description 3
- 230000005494 condensation Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 21
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 230000001965 increasing effect Effects 0.000 description 9
- 239000012535 impurity Substances 0.000 description 7
- 239000007788 liquid Substances 0.000 description 7
- 239000012530 fluid Substances 0.000 description 5
- 238000005192 partition Methods 0.000 description 5
- 238000005260 corrosion Methods 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 239000000498 cooling water Substances 0.000 description 2
- 230000002708 enhancing effect Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 230000003116 impacting effect Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000008236 heating water Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000008399 tap water Substances 0.000 description 1
- 235000020679 tap water Nutrition 0.000 description 1
- 235000020681 well water Nutrition 0.000 description 1
- 239000002349 well water Substances 0.000 description 1
Landscapes
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The utility model discloses an enhanced heat exchanger, and mainly relates to the technical field of enhanced heat exchangers. Including the casing, be equipped with many baffles in the casing, the baffle is with the inside split of casing into inlet chamber, heat transfer chamber and play water chamber, be equipped with many heat exchange tubes in the heat transfer chamber, the both ends of heat exchange tube respectively with inlet chamber and play water chamber intercommunication, the intraductal rotation of heat exchange is connected with the hob, the hob rotates the contact with the inner wall of heat exchange tube, the junction of heat exchange tube and inlet chamber is equipped with the filter plate, the tip and the filter plate rotation of hob are connected, be equipped with the filtration pore with the inlet chamber intercommunication on the filter plate, one side of casing is equipped with the access hole that many cooperations hob used, the access hole sets up with play water chamber intercommunication. The utility model has the beneficial effects that: the scale and dirt in the heat exchanger are reduced, and the heat transfer effect and heat transfer efficiency of the heat exchanger are improved.
Description
Technical Field
The utility model relates to the technical field of reinforced heat exchangers, in particular to a reinforced heat exchanger.
Background
The heat exchanger is energy-saving equipment for heating water for users by exchanging heat through cold and hot media, in practical application, the heat transfer performance of the heat exchanger can be obviously improved by the enhanced heat exchange technology, and the heat exchanger is one of main ways for realizing heat exchange and energy saving. Therefore, there are three main ways of enhancing heat transfer of the heat exchanger:
1) The heat exchange area is increased; the most used purpose is to achieve the purpose of enhancing the heat transfer effect by reasonably improving the heat transfer area of the unit volume of the equipment, such as a large amount of materials such as fin tubes, corrugated tubes, plate fin heat transfer surfaces and the like with larger heat transfer area of the unit volume are used on a heat exchanger, and the heat transfer area of the unit volume of the single equipment can be obviously improved by using the materials, so that the purpose of high efficiency and compactness of the heat exchange equipment is fully achieved;
2) The heat transfer temperature difference is increased; in the use process of the heat exchanger, the pressure of steam in the radiant heating plate pipe is increased, the hot water temperature of hot water heating is increased, the cooling water of the condenser replaces tap water with deep well water with lower temperature, the temperature of the cooling water is reduced in the air cooler, and the like, so that the heat transfer temperature difference delta t of the heat exchanger can be directly increased;
3) Increasing the heat transfer coefficient K; the magnitude of the heat transfer coefficient (K) of the heat exchanger is actually determined by the magnitude of the total heat resistance in the heat transfer process, the larger the total heat resistance in the heat transfer process of the heat exchanger is, the lower the heat transfer coefficient (K) of the heat exchanger is, the worse the heat transfer effect of the heat exchanger is, and compared with laminar liquid, the turbulent fluid has smaller total heat resistance; in addition, the heat transfer coefficient (K) is also related to the heat conducting medium, and the heat conducting performance of the scale and the dirt is poor, namely, only 1/30-1/50 of steel, so that after the impurities in the heat exchange tube fluid accumulate and precipitate into the scale and the dirt, the heat conducting effect of the heat exchanger is greatly reduced.
Disclosure of Invention
The utility model aims to provide an enhanced heat exchanger, which reduces the generation of scale and dirt in the heat exchanger and improves the heat transfer effect and the heat transfer efficiency of the heat exchanger.
The utility model aims to achieve the aim, and the utility model is realized by the following technical scheme:
the utility model provides an intensive heat exchanger, includes the casing, be equipped with many baffles in the casing, the baffle is with the inside split of casing inlet chamber, heat transfer chamber and the play water chamber, be equipped with many heat exchange tubes in the heat transfer chamber, the both ends of heat exchange tube respectively with inlet chamber and play water chamber intercommunication, the intraductal rotation contact of heat exchange has the hob, the junction of heat exchange tube and inlet chamber is equipped with the filter plate, the hob rotates with the filter plate to be connected, be equipped with the filtration pore with the inlet chamber intercommunication in the filter plate, one side of casing is equipped with the access hole that many cooperation hob used, the access hole is connected with play water chamber.
Further, the tip of access hole is equipped with the sealed lid of being connected with the hob rotation, one side of sealed lid is equipped with the seal groove, seal groove and access hole grafting cooperation, be equipped with the sealing strip between seal groove and the access hole.
Further, the tip of access hole is equipped with the fixed plate, one side of fixed plate can be dismantled and be connected with the gland, one side of fixed plate and gland all is equipped with the notch, two the notch respectively with the both sides grafting cooperation of sealed lid, be equipped with the sealing washer between fixed plate and the gland.
Further, the top of casing is equipped with the steam inlet of many places intercommunication heat transfer chamber, be equipped with the honeycomb duct with steam inlet intercommunication in the heat transfer chamber.
Further, the bottom of the flow guide pipe is provided with a plurality of through holes communicated with the heat exchange cavity, and the bottom of the shell is provided with a condensation water outlet communicated with the heat exchange cavity.
Further, the inner diameter of the access hole is larger than the outer diameter of the screw rod.
Compared with the prior art, the utility model has the beneficial effects that:
1. the spiral rod is arranged in the heat exchange tube, after water flow contacts with the spiral rod, the generated component force pushes the spiral rod to rotate, so that the water flow in the heat exchange tube generates obvious spiral motion, the liquid in the heat exchange tube of the heat exchange tube is converted into turbulent flow, the total thermal resistance of the water flow in the turbulent flow state is the smallest in all fluid liquid, the heat transfer coefficient (K) value of the heat exchange tube is increased, the heat transfer effect of the heat exchange tube is improved, and meanwhile, the spirally-moved water flow is matched with the spiral rod contacted with the inner wall of the heat exchange tube to wash the wall of the heat exchange tube, so that scaling is not easy to deposit in the heat exchange tube, and the heat transfer effect of the heat exchange tube is improved;
2. the filter plate is arranged at the joint of the heat exchange tube and the water inlet cavity, so that large-particle impurities flowing into the heat exchange tube from the water inlet are filtered, scale is not easy to deposit in the heat exchange tube, and the heat transfer effect of the heat exchanger is improved;
3. when the screw rod is damaged due to water flow impact or corrosion, the screw rod is taken out to be overhauled through an overhauling hole formed in one side of the shell, so that the overhauling efficiency of the heat exchanger is improved, the time spent for overhauling is reduced, the effective working time of the heat exchanger is further prolonged, and the heat exchange efficiency of the heat exchanger is guaranteed.
Drawings
FIG. 1 is a schematic view of the structure of the inside of the present utility model.
Fig. 2 is an enlarged view of a portion of the utility model at a of fig. 1.
Fig. 3 is an enlarged view of a portion of the utility model at B in fig. 1.
Fig. 4 is an enlarged view of a portion of the C-site of fig. 1 in accordance with the present utility model.
The reference numbers shown in the drawings:
1. a housing; 2. a partition plate; 3. a water inlet cavity; 4. a heat exchange cavity; 5. a water outlet cavity; 6. a heat exchange tube; 7. a screw rod; 8. a filter plate; 9. filtering holes; 10. an access opening; 11. sealing cover; 12. a sealing strip; 13. a fixing plate; 14. a gland; 15. a seal ring; 16. a steam inlet; 17. a flow guiding pipe; 18. a through hole; 19. condensing water outlet.
Detailed Description
The utility model will be further illustrated with reference to specific examples. It is to be understood that these examples are illustrative of the present utility model and are not intended to limit the scope of the present utility model. Further, it will be understood that various changes and modifications may be made by those skilled in the art after reading the teachings of the utility model, and equivalents thereof fall within the scope of the utility model as defined by the claims.
The utility model provides an enhanced heat exchanger, as shown in figures 1-4, which comprises a shell 1, wherein a plurality of partition boards 2 are arranged in the shell 1, the inside of the shell 1 is divided into a water inlet cavity 3, a heat exchange cavity 4 and a water outlet cavity 5 by the partition boards 2, a plurality of heat exchange pipes 6 are arranged in the heat exchange cavity 4, two ends of each heat exchange pipe 6 are respectively communicated with the water inlet cavity 3 and the water outlet cavity 5, low-temperature water flows into the water inlet cavity 3 from the water inlet of the shell 1, exchanges heat with high-temperature steam in the heat exchange cavity 4 through the heat exchange pipes 6, and finally flows into the water outlet cavity 5 and flows out from the water outlet; the spiral rod 7 is rotationally connected to the heat exchange tube 6, the spiral rod 7 is rotationally contacted with the inner wall of the heat exchange tube 6, after water flow contacts with the spiral rod 7, the generated component force pushes the spiral rod 7 to rotate, so that the water flow in the heat exchange tube 6 generates obvious spiral motion, the liquid in the heat exchange tube 6 of the heat exchanger is converted into turbulent flow, the total thermal resistance of the water flow in the turbulent flow state is the smallest in all fluid liquid, the heat transfer coefficient (K) value of the heat exchanger is increased, the heat transfer effect of the heat exchanger is improved, and meanwhile, the spirally moved water flow is matched with the spiral rod 7 contacted with the inner wall of the heat exchange tube 6 to wash the wall of the heat exchange tube, so that scale is not easy to deposit in the heat exchange tube 6, and the heat transfer effect of the heat exchanger is improved; the connection part of the heat exchange tube 6 and the water inlet cavity 3 is provided with a filter plate 8, the end part of the screw rod 7 is rotationally connected with the filter plate 8, and the filter plate 8 is provided with a filter hole 9 communicated with the water inlet cavity 3, so that large-particle impurities flowing into the heat exchange tube 6 from a filter water inlet are filtered, scale is not easy to deposit in the heat exchange tube 6, and the heat transfer effect of the heat exchanger is further ensured; one side of casing 1 is equipped with the access hole 10 that the cooperation hob 7 used, access hole 10 and play water cavity 5 intercommunication set up, and after hob 7 was damaged because rivers are impacted or corroded, access hole 10 that is equipped with in casing 1 one side was convenient for take out hob 7 and overhauls to improve the efficiency that the heat exchanger overhauld, reduce the time of overhauling spent, and then increase the effectual operating time of heat exchanger, guarantee the heat exchange efficiency of heat exchanger.
Preferably, the end of the access hole 10 is provided with a sealing cover 11 rotatably connected with the screw rod 7, and a bearing can be specifically arranged on one side of the sealing cover 11 and used for connecting the screw rod 7, so that the screw rod 7 can rotate better; one side of sealed lid 11 is equipped with the seal groove, seal groove and access hole 10 grafting cooperation, be equipped with sealing strip 12 between seal groove and the access hole 10, through the grafting cooperation of seal groove and access hole 10, can dismantle sealed lid 11 from access hole 10 and overhaul, the sealed effect that plays that the sealed effect of sealing that simultaneously is equipped with, the realization is sealed to the first layer of access hole 10, avoids external impurity to get into and rivers to flow out the heat exchange efficiency who influences the heat exchanger.
Preferably, the tip of access hole 10 is equipped with fixed plate 13, specifically can weld as an organic wholely with fixed plate 13, one side of fixed plate 13 can be dismantled and be connected with gland 14, specifically accessible spiral is connected, one side of fixed plate 13 and gland 14 all is equipped with the notch, two the notch respectively with the both sides grafting cooperation of sealed lid 11, be equipped with sealing washer 15 between fixed plate 13 and the gland 14 to can peg graft sealed lid 11 in fixed plate 13, be connected with fixed plate 13 through gland 14, be equipped with sealing washer 15 between cooperation fixed plate 13 and the gland 14 to sealed lid 11 pressfitting seal, and then realize the second floor to access hole 10 is sealed, avoids external impurity to get into and rivers to flow out the heat exchange efficiency who influences the heat exchanger, can dismantle gland 14 and sealed lid 11 simultaneously and overhaul screw rod 7.
Preferably, the top of the shell 1 is provided with a plurality of steam inlets 16 communicated with the heat exchange cavity 4, and a flow guide pipe 17 communicated with the steam inlets 16 is arranged in the heat exchange cavity 4, so that steam can be prevented from directly impacting the wall of the heat exchange tube 6, corrosion and scaling of the heat exchange tube 6 are avoided, and the heat transfer effect of the heat exchanger is improved.
Preferably, the bottom of the flow guiding pipe 17 is provided with a plurality of through holes 18 communicated with the heat exchange cavity 4, the bottom of the shell 1 is provided with a condensation water outlet 19 communicated with the heat exchange cavity 4, and condensed water is more uniformly collected into the heat exchange cavity 4 from a plurality of inlets, so that the heat exchange pipe 6 can uniformly exchange heat, and the heat transfer effect of the heat exchanger is improved.
Preferably, the internal diameter of access hole 10 is greater than the external diameter of hob 7 to better take out hob 7 from access hole 10 and overhaul, improve the efficiency that the heat exchanger overhauld, reduce the time that overhauls spent, and then increase the effectual operating time of heat exchanger, improve the heat exchange efficiency of heat exchanger.
Example 1
The utility model provides a reinforced heat exchanger, as shown in figures 1-4, comprising a shell 1, wherein a plurality of partition boards 2 are arranged in the shell 1, the partition boards 2 divide the interior of the shell 1 into a water inlet cavity 3, a heat exchange cavity 4 and a water outlet cavity 5, a plurality of heat exchange pipes 6 are arranged in the heat exchange cavity 4, two ends of each heat exchange pipe 6 are respectively communicated with the water inlet cavity 3 and the water outlet cavity 5, a screw rod 7 is rotationally connected in the heat exchange pipe 6, the screw rod 7 is contacted with the inner wall of the heat exchange pipe 6, the end part of the screw rod 7 is rotationally connected with a filter plate 8, and a filter hole 9 communicated with the water inlet cavity 3 is arranged on the filter plate 8;
during normal water inflow, low-temperature water flows into the water inlet cavity 3 from the water inlet of the shell 1, then flows into the heat exchange tube 6 and filters large-particle impurities contained in the water flow through the filter plate 8, so that scaling is not easy to deposit in the heat exchange tube 6, and the heat transfer effect of the heat exchanger is improved; after the water flow contacts the spiral rod 7, the generated component force pushes the spiral rod 7 to rotate, so that the water flow in the heat exchange tube 6 generates obvious spiral motion, the liquid in the heat exchange tube 6 of the heat exchanger is converted into turbulent flow, the total thermal resistance of the water flow in the turbulent flow state is the smallest in all fluid liquid, the heat transfer coefficient (K) value of the heat exchanger is increased, the heat transfer effect of the heat exchanger is improved, meanwhile, the spirally moved water flow is matched with the spiral rod 7 contacted with the inner wall of the heat exchange tube 6 to wash the wall of the heat exchange tube, scaling is not easy to deposit in the heat exchange tube 6, the heat transfer effect of the heat exchanger is improved, the heat exchange is carried out through the heat exchange tube 6 and high-temperature steam in the heat exchange cavity 4, and finally the water flows into the water outlet cavity 5 and flows out from the water outlet;
in addition, one side of casing 1 is equipped with the access hole 10 that the cooperation hob 7 used, and access hole 10 and play water cavity 5 intercommunication set up, and after hob 7 was damaged because rivers are strikeed or corrode, access hole 10 that casing 1 one side was equipped with was convenient for take out hob 7 and overhaul to improve the efficiency that the heat exchanger overhauld, reduce the time that overhauls spent, and then increase the effectual operating time of heat exchanger, guarantee the heat exchange efficiency of heat exchanger.
Example 2
On the basis of embodiment 1, a fixing plate 13 is welded at the end part of an access hole 10, notches are formed in the fixing plate 13 and a gland 14, a sealing groove is formed in a sealing cover 11, a sealing strip 12 is arranged on the sealing groove, the sealing groove is aligned with the access hole 10, so that the sealing groove is in plug-in fit with the access hole 10, and the sealing cover 11 is in plug-in fit with the fixing plate 13, so that the sealing strip 12 is compacted to achieve a good sealing effect, a heavy sealing of the access hole 10 is realized, and meanwhile, a screw rod 7 passes through the sealing cover 11 to be rotationally connected with a bearing arranged on the other side of the sealing cover 11, so that the screw rod 7 can better rotate in a heat exchange tube 6; the notch that is equipped with on the gland 14 later aligns sealed lid 11 for gland 14 and sealed lid 11 grafting cooperation, and can dismantle fixed plate 13 and gland 14 through the bolt and be connected, be equipped with sealing washer 15 between cooperation fixed plate 13 and the gland 14 and seal sealed lid 11 pressfitting, and then realize the second floor of sealing to access port 10, in addition, the internal diameter of access port 10 is less than the internal diameter of hob 7, and then can dismantle gland 14 and sealed lid 11 and overhaul hob 7, can avoid external impurity to get into simultaneously and rivers flow out influence the heat exchange efficiency of heat exchanger.
Example 3
On the basis of embodiment 1, high-temperature steam enters from a plurality of steam inlets 16 communicated with the heat exchange cavity 4 at the top of the shell 1, flows into the heat exchange cavity 4 and is provided with a flow guide pipe 17 communicated with the steam inlets 16, and flows into the heat exchange cavity 4 from a through hole 18 arranged at the bottom of the flow guide pipe 17, and after heat exchange with the heat exchange pipe 6 is completed, condensed water is discharged from a condensed water outlet 19 arranged at the bottom of the shell 1, so that the steam can be prevented from directly impacting the wall of the heat exchange pipe 6, corrosion and scaling of the heat exchange pipe 6 are avoided, and the heat transfer effect of the heat exchanger is improved; secondly, the condensed water is led to be more uniformly collected into the heat exchange cavity 4 from a plurality of inlets, so that the heat exchange tube 6 can uniformly exchange heat, and the heat transfer effect of the heat exchanger is improved.
Claims (6)
1. The utility model provides an intensive heat exchanger, includes casing (1), be equipped with many baffles (2) in casing (1), baffle (2) are with inside split of casing (1) into inlet chamber (3), heat transfer chamber (4) and play water chamber (5), be equipped with many heat exchange tube (6) in heat transfer chamber (4), the both ends of heat exchange tube (6) communicate with inlet chamber (3) and play water chamber (5) respectively, its characterized in that: the utility model discloses a heat exchange tube (6) rotation is connected with hob (7), hob (7) and the inner wall rotation contact of heat exchange tube (6), the junction of heat exchange tube (6) and inlet chamber (3) is equipped with filter plate (8), the tip and the filter plate (8) of hob (7) rotate to be connected, be equipped with on filter plate (8) with inlet chamber (3) intercommunication's filtration pore (9), one side of casing (1) is equipped with access hole (10) that a plurality of cooperation hob (7) used, access hole (10) and outlet chamber (5) intercommunication set up.
2. An enhanced heat exchanger according to claim 1 wherein: the end of the access hole (10) is provided with a sealing cover (11) rotationally connected with the screw rod (7), one side of the sealing cover (11) is provided with a sealing groove, the sealing groove is in plug-in fit with the access hole (10), and a sealing strip (12) is arranged between the sealing groove and the access hole (10).
3. An enhanced heat exchanger according to claim 2 wherein: the end of access hole (10) is equipped with fixed plate (13), one side of fixed plate (13) can be dismantled and be connected with gland (14), one side of fixed plate (13) and gland (14) all is equipped with the notch, two the notch respectively with the both sides grafting cooperation of sealed lid (11), be equipped with sealing washer (15) between fixed plate (13) and gland (14).
4. An enhanced heat exchanger according to claim 1 wherein: the top of casing (1) is equipped with steam inlet (16) of many places intercommunication heat transfer chamber (4), be equipped with honeycomb duct (17) with steam inlet (16) intercommunication in heat transfer chamber (4).
5. An enhanced heat exchanger according to claim 4 wherein: the bottom of the flow guide pipe (17) is provided with a plurality of through holes (18) communicated with the heat exchange cavity (4), and the bottom of the shell (1) is provided with a condensation water outlet (19) communicated with the heat exchange cavity (4).
6. An enhanced heat exchanger according to claim 1 wherein: the inner diameter of the access hole (10) is larger than the outer diameter of the screw rod (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320525036.6U CN219736043U (en) | 2023-03-15 | 2023-03-15 | Reinforced heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320525036.6U CN219736043U (en) | 2023-03-15 | 2023-03-15 | Reinforced heat exchanger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219736043U true CN219736043U (en) | 2023-09-22 |
Family
ID=88053748
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320525036.6U Active CN219736043U (en) | 2023-03-15 | 2023-03-15 | Reinforced heat exchanger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219736043U (en) |
-
2023
- 2023-03-15 CN CN202320525036.6U patent/CN219736043U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204923968U (en) | Vortex is adverse current double -pipe heat exchanger entirely | |
| CN201599788U (en) | Radial heat pipe economizer with jacket | |
| CN219736043U (en) | Reinforced heat exchanger | |
| CN201527207U (en) | Gas-liquid heat exchanger based on principle of heat pipes | |
| CN205784662U (en) | A kind of shell-and-tube cooler | |
| CN202582237U (en) | Plate-shell type condenser | |
| CN201917244U (en) | Double-tube double-tube-plate steam waste heat recoverer | |
| CN202199148U (en) | Novel spiral finned smoke condenser | |
| CN201081587Y (en) | Composite heat pipe heat exchanger | |
| CN110260694A (en) | Plate journey shunt plate heat exchanger | |
| CN216844742U (en) | Flue gas refrigerant heat exchanger | |
| CN215864795U (en) | Energy-saving axial space-variable flue gas condenser | |
| CN205690946U (en) | A kind of gas-liquid pulsating heat pipe heat exchanger | |
| CN205090407U (en) | Coiled heat exchange device | |
| CN203928848U (en) | The condensing heat exchanger of a kind of condensing heat exchange plate and application thereof | |
| CN208418689U (en) | A kind of finned tube economizer | |
| CN2521571Y (en) | Petroleum sewage efficent heat exchanger with superconducting heat pipe | |
| CN202083253U (en) | Gas-liquid heat exchanger | |
| CN206208080U (en) | Separate heat pipe shower waste water residual heat recovery system | |
| CN104006699A (en) | Condensation type heat exchange plate and condensation type heat exchanger with same | |
| CN219494407U (en) | Heat exchanger and water heater | |
| CN216482401U (en) | Tube type heat exchanger and waste heat recovery system | |
| CN205482495U (en) | Heat pipe residual heat from flue gas device | |
| CN212179224U (en) | Condensing boiler system | |
| CN2867255Y (en) | Multistage-separation type heat pipe residual-heat recovery package |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |