CN220602253U - Heat exchange device - Google Patents
Heat exchange device Download PDFInfo
- Publication number
- CN220602253U CN220602253U CN202321532871.9U CN202321532871U CN220602253U CN 220602253 U CN220602253 U CN 220602253U CN 202321532871 U CN202321532871 U CN 202321532871U CN 220602253 U CN220602253 U CN 220602253U
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- China
- Prior art keywords
- heat exchange
- flue gas
- water receiving
- water
- exchange element
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 155
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims abstract description 72
- 239000003546 flue gas Substances 0.000 claims abstract description 72
- 239000000779 smoke Substances 0.000 claims description 20
- 230000007704 transition Effects 0.000 abstract description 15
- 238000009434 installation Methods 0.000 abstract description 6
- 229910000831 Steel Inorganic materials 0.000 abstract description 4
- 239000010959 steel Substances 0.000 abstract description 4
- 238000005260 corrosion Methods 0.000 description 5
- 206010022000 influenza Diseases 0.000 description 5
- 230000007797 corrosion Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 239000002131 composite material Substances 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 210000001503 joint Anatomy 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000004321 preservation Methods 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 239000002918 waste heat Substances 0.000 description 2
- 230000002238 attenuated effect Effects 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000000407 epitaxy Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
Landscapes
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The utility model discloses a heat exchange device, which comprises: the flue gas circulation channel, the heat exchange element and the water receiving disc are arranged below the heat exchange element; wherein, the flue gas circulation passageway includes: the flue gas inlet, the flue gas outlet, the heat exchange element placement area and the water receiving disc placement area are respectively arranged between the flue gas inlet and the flue gas outlet, the heat exchange element and the water receiving disc are respectively arranged in the heat exchange element placement area and the water receiving disc placement area, the width of the water receiving disc placement area is larger than that of the heat exchange element placement area, and the water receiving disc covers the heat exchange element in the flue gas circulation channel in width; the water receiving disc is of a disc structure protruding towards the flue gas inlet. The utility model can be directly arranged above the economizer, and the arrangement of the water receiving disc can avoid the damage of condensed water to the economizer, so that a transition flue and a steel bracket and a platform of a heat exchange device which are required by the traditional installation are omitted, and the installation space of the heat exchange device is greatly reduced.
Description
Technical Field
The utility model relates to the technical field of heat exchange devices, in particular to a heat exchange device.
Background
The flue gas waste heat recovery boiler economizer outlet by utilizing the flue gas heat exchanger is common, and has obvious benefits in the aspects of energy conservation, environmental protection, economy and the like.
However, in the heat exchange process, condensed water is easy to generate, and the condensed water drops into the economizer to cause corrosion easily, so that in order to prevent the flue gas condensed water from falling into the economizer to cause corrosion, the flue gas heat exchanger cannot be directly and vertically arranged at the outlet of the economizer, the transition flue is required to be led out and connected in the horizontal direction, the flue gas heat exchanger is required to be provided with a steel supporting platform and a bracket, so that a large amount of space is occupied, and a large amount of steel material cost and manufacturing and construction cost are required to be consumed.
Disclosure of Invention
In view of the above, an object of the present utility model is to provide a heat exchange device.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:
a heat exchange device, comprising:
the flue gas circulation channel is arranged along the first direction;
the heat exchange element is arranged in the flue gas circulation channel;
the water receiving disc is arranged in the flue gas circulation channel and is arranged below the heat exchange element;
wherein, the flue gas circulation passageway includes: the flue gas flows from the flue gas inlet to the flue gas outlet, the heat exchange element placement area and the water receiving disc placement area are both arranged between the flue gas inlet and the flue gas outlet, the heat exchange element and the water receiving disc are respectively arranged in the heat exchange element placement area and the water receiving disc placement area, the width of the water receiving disc placement area is larger than that of the heat exchange element placement area, and the water receiving disc covers the heat exchange element in the flue gas flowing channel in width;
the water receiving disc is of a disc-mounted structure protruding towards the smoke inlet.
The heat exchange device is characterized in that the flue gas inlet is arranged below the flue gas outlet, and the first direction is a vertical direction.
The heat exchange device, wherein, the water collector includes: the two sides of the chassis are respectively connected with the two side plates, the bottom of the chassis protrudes towards the smoke inlet along the first direction, and the top of the chassis is concave downwards and connected with the two side plates to form a tray.
The heat exchange device described above, wherein the chassis includes: the water collecting device comprises a first water collecting plate and a second water collecting plate, wherein one end of the first water collecting plate is connected with one end of the second water collecting plate, the first water collecting plate and the second water collecting plate are in a V shape, one of two side plates is connected with one side of the first water collecting plate and one side of the second water collecting plate, and the other one of the two side plates is connected with the other side of the first water collecting plate and the other side of the second water collecting plate;
the heat exchange device comprises a first water receiving plate, a second water receiving plate, a smoke inlet and a smoke outlet, wherein one end of the first water receiving plate and one end of the second water receiving plate face the smoke inlet, and the other end of the first water receiving plate and the other end of the second water receiving plate face the smoke outlet.
The heat exchange device, wherein, the water collector still includes: the two extensions are respectively connected to the other end of the first water receiving plate and the other end of the second water receiving plate, and two sides of the two extensions are respectively connected with the two side plates.
The heat exchange device is characterized in that the water receiving disc is provided with a condensed water discharge port, and the condensed water discharge port is connected with the condensed water discharge pipe.
The heat exchange device, wherein, heat exchange element is heat exchange tube bank, heat exchange tube bank includes: the heat exchange pipes are arranged along a second direction perpendicular to the first direction, and the heat exchange pipes are sequentially connected end to end.
The heat exchange device described above, further includes:
the side surface of the frame is coated with a skin;
the heat exchanger core body is arranged in the frame, an insulating layer is coated on the outer side of the heat exchanger core body, a smoke circulation channel is formed in the heat exchanger core body, and a smoke inlet and a smoke outlet extend to two ends of the frame respectively to form openings.
The heat exchange device described above, further includes: the heat exchange tube comprises a frame, a water inlet pipe flange and a water outlet pipe flange, wherein the water inlet pipe flange and the water outlet pipe flange are both installed on the frame, and the water inlet pipe flange and the water outlet pipe flange are respectively connected with two ends of the heat exchange tube bundle.
The heat exchange device is characterized in that the heat exchange element is a light pipe tube bundle, a finned tube bundle, a plate bundle or a plate fin assembly.
The utility model adopts the technology, so that compared with the prior art, the utility model has the positive effects that:
(1) The utility model can be directly arranged above the economizer, and the arrangement of the water receiving disc can avoid the damage of condensed water to the economizer, so that a transition flue and a steel bracket and a platform of a heat exchange device which are required by traditional installation are omitted, the installation space of the heat exchange device is greatly reduced, and the use requirement of a boiler which cannot be provided with a flue gas waste heat recovery device due to the limitation of space can be met.
(2) The utility model plans the structure of the flue gas circulation channel, and the width of the water receiving disc placement area is larger than that of the heat exchange element placement area, so that the water receiving disc receives all condensed water which can cover the heat exchange element to drip.
Drawings
Fig. 1 is a schematic view of a heat exchange device of the present utility model.
Fig. 2 is a schematic view of a drip tray of the present utility model.
Fig. 3 is a schematic view of a heat exchange device of the present utility model.
In the accompanying drawings: 1. a flue gas flow channel; 2. a heat exchange element; 3. a water receiving tray; 4. a flue gas inlet; 5. a water receiving tray placement area; 6. a heat exchange element placement area; 7. a flue gas outlet; 8. a condensed water discharge pipe; 9. a condensed water discharge port; 10. a frame; 11. a heat preservation layer; 12. a skin; 13. a water inlet pipe flange; 14. a water outlet pipe flange; 15. a heat exchanger core; 16. a branch flue; 31. a first water receiving plate; 32. a second water receiving plate; 33. a side plate; 34. epitaxy; 51. a first connection region; 52. a transition region; 53. and a second connection region.
Detailed Description
The utility model is further illustrated, but not limited to, by the following description of the drawings and specific embodiments, wherein FIG. 1 is a schematic diagram of a heat exchange device according to the present utility model; FIG. 2 is a schematic view of a drip tray of the present utility model; fig. 3 is a schematic view of the heat exchange device of the present utility model, referring to fig. 1 to 3, showing a heat exchange device of a preferred embodiment, comprising: the flue gas circulation device comprises a flue gas circulation channel 1, a heat exchange element 2 and a water receiving disc 3, wherein the flue gas circulation channel 1 is arranged along a first direction; the heat exchange element 2 is arranged in the flue gas circulation channel 1; the water receiving disc 3 is arranged in the flue gas circulation channel 1, and the water receiving disc 3 is arranged below the heat exchange element 2; wherein, flue gas circulation passageway 1 includes: the flue gas flows from the flue gas inlet 4 to the flue gas outlet 7, the heat exchange element placing area 6 and the water receiving disc placing area 5 are arranged between the flue gas inlet 4 and the flue gas outlet 7, the heat exchange element 2 and the water receiving disc 3 are respectively arranged in the heat exchange element placing area 6 and the water receiving disc placing area 5, the width of the water receiving disc placing area 5 is larger than that of the heat exchange element placing area 6, and the water receiving disc 3 covers the heat exchange element 2 in the flue gas flowing channel 1 in width; the water receiving disc 3 is of a disc structure protruding towards the smoke inlet 4.
Further, the flue gas inlet 4 is in butt joint with the boiler economizer outlet, and the flue gas outlet 7 is in butt joint with the chimney.
Further, the water pan 3 covers the heat exchange element 2 in the flue gas circulation channel 1 in width, specifically, the projection of the heat exchange element 2 in the flue gas circulation channel 1 along the vertical direction is always in the water pan 3, so that condensed water generated in the heat exchange process is prevented from dripping elsewhere.
Further, the water receiving disc 3 is arranged below the heat exchange tube bundle, so that condensed water is prevented from falling into the lower boiler economizer from the flue gas inlet 4, the heat exchange device and the economizer are vertically overlapped and directly connected, the design is simplified, a transition flue between the heat exchange device and the heat exchange device is omitted, and the installation space of the heat exchange device is greatly reduced.
In a preferred embodiment, the flue gas inlet 4 is arranged below the flue gas outlet 7, the first direction being the vertical direction.
In a preferred embodiment, the water pan 3 comprises: the two sides of the chassis are respectively connected with the two side plates 33, the bottom of the chassis protrudes towards the smoke inlet 4 along the first direction, and the top of the chassis is concave and connected with the two side plates 33 to form a tray.
In a preferred embodiment, the chassis comprises: the first water receiving plate 31 and the second water receiving plate 32, one end of the first water receiving plate 31 is connected with one end of the second water receiving plate 32, the first water receiving plate 31 and the second water receiving plate 32 are V-shaped, one of two side plates 33 is connected with one side of the first water receiving plate 31 and one side of the second water receiving plate 32, and the other of the two side plates 33 is connected with the other side of the first water receiving plate 31 and the other side of the second water receiving plate 32;
in a preferred embodiment, one end of the first water receiving plate 31 and one end of the second water receiving plate 32 are arranged towards the flue gas inlet 4, and the other end of the first water receiving plate 31 and the other end of the second water receiving plate 32 are arranged towards the flue gas outlet 7.
Further, the water receiving tray 3 has a V-shaped water tank in cross section, and the both side plates 33 are substantially triangular.
In a preferred embodiment, the water pan 3 further comprises: the two extensions 34, the two extensions 34 are respectively connected to the other end of the first water receiving plate 31 and the other end of the second water receiving plate 32, and two sides of the two extensions 34 are respectively connected to the two side plates 33.
Further, the water receiving tray placing area 5 includes: the first connection area 51, the transition area 52 and the second connection area 53, the first connection area 51, the transition area 52 and the second connection area 53 are connected in sequence, the first connection area 51 is connected with the flue gas inlet 4 and the transition area 52, the second connection area 53 is connected with the transition area 52 and the heat exchange element placement area 6, the size of the flue gas inlet 4 is smaller than that of the transition area 52, and the heat exchange element placement area 6 is also smaller than that of the transition area.
Further, the first connection region 51 and the second connection region 53 are each configured to have an inclined angle, the first connection region 51 is substantially parallel to the first water receiving plate 31 and the second water receiving plate 32, and two branch flues 16 are formed between the first water receiving plate 31 and the first connection region 51 and between the second water receiving plate 32 and the first connection region 51.
Furthermore, the chassis is streamline, so that the flow of smoke is more convenient.
Further, the extension 34 and the transition region 52 are arranged substantially in parallel, and the flue gas is converged in the transition region 52 and the second connection region 53 via the two branch flues 16 and is led to the heat exchange element placement region 6.
The foregoing is merely a preferred embodiment of the present utility model, and is not intended to limit the embodiments and the protection scope of the present utility model.
The present utility model has the following embodiments based on the above description:
in a further embodiment of the utility model, the water receiving tray 3 is provided with a condensed water discharge opening 9, and the condensed water discharge opening 9 is connected with the condensed water discharge pipe 8.
Further, the chassis is installed obliquely, specifically, one end of the chassis connected with the condensed water drain pipe 8 is lower than the other end; specifically, the inclination angle of the chassis is 1-5 degrees; more specifically, the chassis is mounted at an inclination angle of 3 °.
In a further embodiment of the utility model, the heat exchange element 2 is a heat exchange tube bundle comprising: the heat exchange tubes are arranged along a second direction perpendicular to the first direction, and the heat exchange tubes are connected end to end in sequence.
In a further embodiment of the present utility model, further comprising: the frame 10, the side of the frame 10 is covered with a skin 12.
In a further embodiment of the present utility model, further comprising: the heat exchanger core 15, heat exchanger core 15 locates in the frame 10, and the cladding of heat exchanger core 15 outside has heat preservation 11, and the inside of heat exchanger core 15 forms flue gas circulation passageway 1, and flue gas entry 4 and flue gas export 7 extend respectively to the both ends of frame 10 and form the opening.
In a further embodiment of the present utility model, further comprising: the water inlet pipe flange 13 and the water outlet pipe flange 14 are respectively arranged on the frame 10, and the water inlet pipe flange 13 and the water outlet pipe flange 14 are respectively connected with two ends of the heat exchange tube bundle.
Furthermore, the heat exchange tube bundle is made of composite materials and is assisted by nano anti-corrosion treatment so as to keep long-term maintenance or maintenance-free, and keep the heat exchange effect not lower than the design parameter value.
In a further embodiment of the utility model, the heat exchange element 2 is a light pipe bundle, a finned tube bundle, a plate bundle or a plate fin assembly.
Further, specifically, the operation process of the device is as follows: the flue gas enters the heat exchanger core 15 from the flue gas inlet 4, enters the first connecting area 51, is divided by the first water receiving plate 31 and the second water receiving plate 32, respectively enters the two branch flues 16, is converged in the transition area 52 and the second connecting area 53 and is led to the heat exchange element placing area 6, and is discharged from the flue gas outlet 7 after fully exchanging heat by the heat exchange element 2.
In the process of fully exchanging heat by the heat exchange element 2, condensed water can be generated and naturally falls onto the water receiving disc 3 due to the influence of gravity, and is discharged into a sewage disposal system from the condensed water discharge pipe 8 on the water receiving disc 3.
Further, the heat exchange water enters the heat exchange tube bundle from the water inlet pipe flange 13 to absorb heat outside the heat exchange tube bundle, and is discharged from the water outlet pipe flange to the heat exchanger core 15.
Furthermore, the device adopts the corrosion-resistant composite material, and performs nano corrosion-resistant treatment inside and outside the heat exchange tube bundle, is not easy to be corroded by water, can keep long-time operation with little maintenance or maintenance-free, and continuously keeps the designed heat exchange effect not to be attenuated.
Further, the two branch flues 16 are symmetrically arranged, so that the water receiving tray 3 not only blocks and collects condensed water, but also enables the branch flues 16 to be even and smooth.
The device can realize direct superposition installation with the economizer, omits an overhead platform of a transition flue and a heat exchange device, reduces the smoke resistance loss of the boiler, optimizes and simplifies the design, and reduces the investment and the construction cost.
The foregoing is merely illustrative of the preferred embodiments of the present utility model and is not intended to limit the embodiments and scope of the present utility model, and it should be appreciated by those skilled in the art that equivalent substitutions and obvious variations may be made using the description and illustrations of the present utility model, and are intended to be included in the scope of the present utility model.
Claims (10)
1. A heat exchange device, comprising:
the flue gas circulation channel is arranged along the first direction;
the heat exchange element is arranged in the flue gas circulation channel;
the water receiving disc is arranged in the flue gas circulation channel and is arranged below the heat exchange element;
wherein, the flue gas circulation passageway includes: the flue gas flows from the flue gas inlet to the flue gas outlet, the heat exchange element placement area and the water receiving disc placement area are both arranged between the flue gas inlet and the flue gas outlet, the heat exchange element and the water receiving disc are respectively arranged in the heat exchange element placement area and the water receiving disc placement area, the width of the water receiving disc placement area is larger than that of the heat exchange element placement area, and the water receiving disc covers the heat exchange element in the flue gas flowing channel in width;
the water receiving disc is of a disc-mounted structure protruding towards the smoke inlet.
2. The heat exchange device of claim 1, wherein the flue gas inlet is disposed below the flue gas outlet, and the first direction is a vertical direction.
3. The heat exchange device of claim 2 wherein the water pan comprises: the two sides of the chassis are respectively connected with the two side plates, the bottom of the chassis protrudes towards the smoke inlet along the first direction, and the top of the chassis is concave downwards and connected with the two side plates to form a tray.
4. A heat exchange device according to claim 3 wherein,
the chassis includes: the water collecting device comprises a first water collecting plate and a second water collecting plate, wherein one end of the first water collecting plate is connected with one end of the second water collecting plate, the first water collecting plate and the second water collecting plate are in a V shape, one of two side plates is connected with one side of the first water collecting plate and one side of the second water collecting plate, and the other one of the two side plates is connected with the other side of the first water collecting plate and the other side of the second water collecting plate;
one end of the first water receiving plate and one end of the second water receiving plate are arranged towards the smoke inlet, and the other end of the first water receiving plate and the other end of the second water receiving plate are arranged towards the smoke outlet.
5. The heat exchange device of claim 4 wherein the drip tray further comprises: the two extensions are respectively connected to the other end of the first water receiving plate and the other end of the second water receiving plate, and two sides of the two extensions are respectively connected with the two side plates.
6. The heat exchange device of claim 1 wherein the water receiving pan is provided with a condensate drain, the condensate drain being connected to the condensate drain.
7. The heat exchange device of claim 1 wherein the heat exchange element is a heat exchange tube bundle comprising: the heat exchange pipes are arranged along a second direction perpendicular to the first direction, and the heat exchange pipes are sequentially connected end to end.
8. The heat exchange device of claim 7, further comprising:
the side surface of the frame is coated with a skin;
the heat exchanger core body is arranged in the frame, an insulating layer is coated on the outer side of the heat exchanger core body, a smoke circulation channel is formed in the heat exchanger core body, and a smoke inlet and a smoke outlet extend to two ends of the frame respectively to form openings.
9. The heat exchange device of claim 8, further comprising: the heat exchange tube comprises a frame, a water inlet pipe flange and a water outlet pipe flange, wherein the water inlet pipe flange and the water outlet pipe flange are both installed on the frame, and the water inlet pipe flange and the water outlet pipe flange are respectively connected with two ends of the heat exchange tube bundle.
10. The heat exchange device of claim 1 wherein the heat exchange element is a light pipe bundle, a finned tube bundle, a plate bundle, or a plate fin assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321532871.9U CN220602253U (en) | 2023-06-15 | 2023-06-15 | Heat exchange device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321532871.9U CN220602253U (en) | 2023-06-15 | 2023-06-15 | Heat exchange device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220602253U true CN220602253U (en) | 2024-03-15 |
Family
ID=90182862
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321532871.9U Active CN220602253U (en) | 2023-06-15 | 2023-06-15 | Heat exchange device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220602253U (en) |
-
2023
- 2023-06-15 CN CN202321532871.9U patent/CN220602253U/en active Active
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