CN206626988U - Flue gas heat-exchange unit - Google Patents
Flue gas heat-exchange unit Download PDFInfo
- Publication number
- CN206626988U CN206626988U CN201720370967.8U CN201720370967U CN206626988U CN 206626988 U CN206626988 U CN 206626988U CN 201720370967 U CN201720370967 U CN 201720370967U CN 206626988 U CN206626988 U CN 206626988U
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- China
- Prior art keywords
- heat exchanger
- flue gas
- heat
- flue
- main pipeline
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Abstract
The utility model discloses a kind of flue gas heat-exchange unit, including First Heat Exchanger and the second heat exchanger, the First Heat Exchanger is provided with the first input pipe and the first outlet flue, second heat exchanger is provided with the second input pipe and the second outlet flue, and the first described input pipe and the second heat exchanger are connected by tee pipe coupling with flue gas main pipeline；Relief tube is provided with described flue gas main pipeline；The flue of the First Heat Exchanger and the second heat exchanger is obliquely installed with unit bottom surface in α, 2 °≤α≤3 °；The bottom of second heat exchanger is provided with steam trap, and described steam trap bottom is provided with solidifying water pond.Flue gas heat-exchange unit described in the utility model, high-temperature flue gas caused by burner are entered in heat exchanger by stainless steel flue gas main pipeline, are discharged respectively by two outlet flues after heat exchange, make the external air temperature rise by heat exchanger, double heat exchanger is set, and heat transfer rate is fast, and heat exchange efficiency is high.
Description
Technical field
It the utility model is related to a kind of flue gas heat-exchange unit.
Background technology
Flue gas heat-exchange unit, also known as gas cooler, flue gas waste heat recoverer, actually turned using the heat of discarded flue gas
Change the hot water required for life, hot blast, or the heat-exchange apparatus of the waste heat recovery of hot fluid into.Flue gas heat-exchange unit utilizes industry
Kiln, boiler, coking furnace, blast furnace, the heat of high temperature or medium temperature flue gas caused by metallurgical furnace, exchange heat by heat exchanger, reclaim
Device heat, heat water or air.
Caused hot water, steam or high temperature air, meet that hot water for life, heating, generating hot gas or food, material dry
It is dry.
But existing flue gas heat-exchange unit, it is that the heat exchanger tube layer with gas or liquid is passed through using high-temperature flue gas, it is right
Gas or liquid in tube layer are heated, and heat exchange efficiency is low, and heat transfer rate is slow.
Utility model content
According to technical problem set forth above, and a kind of flue gas heat-exchange unit is provided, for solving existing flue gas heat-exchange unit,
The shortcomings that heat exchange efficiency is low, and heat transfer rate is slow.The technological means that the utility model uses is as follows：
A kind of flue gas heat-exchange unit, including First Heat Exchanger and the second heat exchanger, it is defeated that the First Heat Exchanger is provided with first
Enter pipe and the first outlet flue, second heat exchanger is provided with the second input pipe and the second outlet flue, the first described input pipe
Connected with the second heat exchanger by tee pipe coupling with flue gas main pipeline；Relief tube is provided with described flue gas main pipeline；Institute
The flue for stating First Heat Exchanger and the second heat exchanger is obliquely installed with unit bottom surface in α, 2 °≤α≤3 °；Described second changes
The bottom of hot device is provided with steam trap, and described steam trap bottom is provided with solidifying water pond.
Used as preferably described the first input pipe, the second heat exchanger and flue gas main pipeline with the connection of tee pipe coupling
Graphite pads and sealant sealing.
Pipeline diameter as the preferred relief tube is 1/10th of flue gas main pipeline caliber；First input pipe
Caliber with the second heat exchanger is 1/3rd of flue gas main pipeline caliber.
It is lever and floating steam trap as preferably described steam trap.
Top surface area as the preferred solidifying water pond is more than the horizontal profile product of First Heat Exchanger and the second heat exchanger.
Compared with prior art, flue gas heat-exchange unit described in the utility model, including First Heat Exchanger and the second heat exchange
Device, the First Heat Exchanger are provided with the first input pipe and the first outlet flue, and second heat exchanger is provided with the second input pipe
With the second outlet flue, the first described input pipe and the second heat exchanger are connected by tee pipe coupling with flue gas main pipeline；Burning
High-temperature flue gas caused by device is entered in heat exchanger (tube layer), respectively by two after heat exchange by stainless steel flue gas main pipeline
Outlet flue is discharged, and makes to set by the external air temperature rise of heat exchanger, double heat exchanger, heat transfer rate is fast, and heat exchange efficiency is high.
Flue gas heat-exchange unit described in the utility model, relief tube is provided with flue gas main pipeline, can ensure heat transfer process
In security；The flue of First Heat Exchanger and the second heat exchanger is obliquely installed with unit bottom surface in α, 2 °≤α≤3 °；Institute
The bottom for stating the second heat exchanger is provided with steam trap, and described steam trap bottom is provided with solidifying water pond, and the use of drain valve is effective
Condensate in ground discharger, the influence of condensed water heat exchanging is reduced, extend pipeline life.
Flue gas heat-exchange unit described in the utility model, the first input pipe, the second heat exchanger and the same three-way pipe of flue gas main pipeline
The connection of joint uses graphite pads and sealant sealing, no matter flue gas, condensate is all without spilling outside device, highly effective and safe.
Brief description of the drawings
The utility model is described in further detail with reference to the accompanying drawings and detailed description.
Fig. 1 is structural representation of the present utility model.
Wherein：1st, First Heat Exchanger, the 2, second heat exchanger, the 3, first input pipe, the 4, second input pipe, 5, flue gas supervisor
Road, 6, relief tube, 7, steam trap, 8, solidifying water pond, the 9, first outlet flue, the 10, second outlet flue.
Embodiment
As shown in figure 1, a kind of flue gas heat-exchange unit, including the heat exchanger 2 of First Heat Exchanger 1 and second, the First Heat Exchanger 1
The first input pipe 3 and the first outlet flue 9 are provided with, second heat exchanger 2 is provided with the second input pipe 4 and the second outlet flue
10, the first described input pipe 3 is connected with the second heat exchanger 2 by tee pipe coupling with flue gas main pipeline 5；Described first is defeated
The connection for entering pipe 3, the second heat exchanger 2 and flue gas main pipeline 5 with tee pipe coupling uses graphite pads and sealant sealing.Described
The caliber of one input pipe 3 and the second heat exchanger 2 is 1/3rd of the caliber of flue gas main pipeline 5.Set on described flue gas main pipeline 5
It is equipped with relief tube 6；The pipeline diameter of the relief tube 6 is 1/10th of the caliber of flue gas main pipeline 5.
The flue of the heat exchanger 2 of First Heat Exchanger 1 and second is obliquely installed with unit bottom surface in α, 2 °≤α≤
3°；The bottom of second heat exchanger 2 is provided with steam trap 7, and the described bottom of steam trap 7 is provided with solidifying water pond 8.Described dredges
Hydrophone 7 is lever and floating steam trap.The top surface area of the solidifying water pond 8 is more than the level of the heat exchanger 2 of First Heat Exchanger 1 and second
Sectional area.
Flue gas heat-exchange unit described in the utility model, in normal work, high-temperature gas and pipeline in flue gas main pipeline 5
Outer Cryogenic air carries out heat exchange by tube wall, the Water vapor condensation Cheng Shui in flue gas, because flue is set using inclination
Meter, with 2-3 ° of unit bottom surface angle of inclination, condensate can flow to heat exchanger bobbin carriage, at this moment, the drain valve 7 installed in bobbin carriage bottom
Start, water is expelled to rapidly water pond.
By Stainless steel tee pipe design, effectively two heat exchangers are connected, increase heat exchange area；Drain valve 7
Using the condensate being effectively discharged out in device, the influence of condensed water heat exchanging is reduced, extends pipeline life；Above flue
Relief tube 6, pressure relief device more ensure use when security, in pressure overrate, releasing pressure automatically, secure side
Just；The sealing property of device is remarkable, graphite pads and resistant to elevated temperatures fluid sealant using 4 mm of thickness, no matter flue gas, condensate is all
It will not spill outside device, highly effective and safe.
It is described above, the only preferable embodiment of the utility model, but the scope of protection of the utility model is not
This is confined to, any one skilled in the art is in the technical scope that the utility model discloses, according to this practicality
New technical scheme and its utility model design are subject to equivalent substitution or change, should all cover in protection model of the present utility model
Within enclosing.
Claims (5)
- A kind of 1. flue gas heat-exchange unit, it is characterised in that including First Heat Exchanger (1) and the second heat exchanger (2), first heat exchange Device (1) is provided with the first input pipe (3) and the first outlet flue (9), and second heat exchanger (2) is provided with the second input pipe (4) With the second outlet flue (10), described the first input pipe (3) and the second heat exchanger (2) are by tee pipe coupling with flue gas main pipeline (5) connect；Relief tube (6) is provided with described flue gas main pipeline (5)；The flue of the First Heat Exchanger (1) and the second heat exchanger (2) is obliquely installed with unit bottom surface in α, 2 °≤α≤ 3°；The bottom of second heat exchanger (2) is provided with steam trap (7), and described steam trap (7) bottom is provided with solidifying water pond (8)。
- 2. flue gas heat-exchange unit according to claim 1, it is characterised in that：Described the first input pipe (3), the second heat exchanger (2) and flue gas main pipeline (5) uses stone with the connection of tee pipe coupling Ink pad and sealant sealing.
- 3. flue gas heat-exchange unit according to claim 1 or 2, it is characterised in that：The pipeline diameter of the relief tube (6) is 1/10th of flue gas main pipeline (5) caliber；The caliber of first input pipe (3) and the second heat exchanger (2) is 1/3rd of flue gas main pipeline (5) caliber.
- 4. flue gas heat-exchange unit according to claim 1 or 2, it is characterised in that：Described steam trap (7) is lever and floating steam trap.
- 5. flue gas heat-exchange unit according to claim 1 or 2, it is characterised in that：The top surface area of the solidifying water pond (8) is more than the horizontal profile product of First Heat Exchanger (1) and the second heat exchanger (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720370967.8U CN206626988U (en) | 2017-04-10 | 2017-04-10 | Flue gas heat-exchange unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720370967.8U CN206626988U (en) | 2017-04-10 | 2017-04-10 | Flue gas heat-exchange unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206626988U true CN206626988U (en) | 2017-11-10 |
Family
ID=60207445
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720370967.8U Active CN206626988U (en) | 2017-04-10 | 2017-04-10 | Flue gas heat-exchange unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206626988U (en) |
-
2017
- 2017-04-10 CN CN201720370967.8U patent/CN206626988U/en active Active
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