CN206310945U - A kind of corrugated plate dst flue gas/water-condensing heat exchanger - Google Patents
A kind of corrugated plate dst flue gas/water-condensing heat exchanger Download PDFInfo
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- CN206310945U CN206310945U CN201621448899.4U CN201621448899U CN206310945U CN 206310945 U CN206310945 U CN 206310945U CN 201621448899 U CN201621448899 U CN 201621448899U CN 206310945 U CN206310945 U CN 206310945U
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- flue gas
- water
- heat exchanger
- corrugated plate
- condensing
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Abstract
The utility model is related to a kind of corrugated plate dst flue gas/water-condensing heat exchanger, belongs to heat exchanger or Industrial Boiler Technology field.It includes the preceding flue gas header of water-cooled, shell, delivery port, water inlet, rear flue gas header, exhaust opening, stay bolt bar and heat exchanging body；The shell side is provided with flue gas header before water-cooled, and opposite side is provided with rear flue gas header, and shell upper end is provided with delivery port and water inlet；The rear flue gas header is connected with exhaust opening；Heat exchanging body is provided with the shell.The condensing heat exchanger provided using the utility model, efficiency is improved, possesses self-cleaning function, and is also resistant to the condensate corrosion of flue gas.
Description
Technical field
The utility model is related to a kind of corrugated plate dst flue gas/water-condensing heat exchanger, is mainly used in needing flue gas and hydro-thermal to hand over
The system changed, belongs to heat exchanger or Industrial Boiler Technology field.
Background technology
Existing energy-saving appliance（Or economizer, flue gas/water- to-water heat exchanger, condensing heat exchanger etc.）Mostly extended surface tube, pin-fin tube,
The tubular structures such as spiral fin coil, the mode of augmentation of heat transfer expands heating surface to increase.Pipe is generally to intersect with flow of flue gas direction
Stream, flue gas low regime and recirculating zone will be produced in the back of the body fume side of pipe.In this region, dust in flue gas etc. will likely be attached
In pipeline or fin surface, and when inflow temperature is relatively low, the low-temperature space heating surface of energy-saving appliance will become moistening, in flue gas
Dust is more easy to be attached to the heating surface surface of moistening, and in low regime and recirculating zone, more so, this can cause heat exchange efficiency to this phenomenon
Decline, and in the course of time, dust will block flue gas path, cause danger.In addition, be attached to pipe surface and extended surface it
Between dust be not easily cleaned, increased the number of times and difficulty of maintenance.
Using condensing extended surface tube energy-saving appliance, when extended surface tube is horizontal, condensed water runs into temperature flue gas higher when dripping,
Double evaporation-cooling will be produced, heat exchange efficiency can be reduced.
Any of the above flue gas/water- to-water heat exchanger, using carbon steel, aluminum fin-stock, ND steel etc. more than material, resistance to flue gas acid condensate water is rotten
Erosion is indifferent.
The content of the invention
The purpose of this utility model is to provide a kind of flue gas/water-condensing heat exchanger, and the flue gas condenser can disturb flue gas
It is dynamic strong, strengthen the augmentation of heat transfer of fume side, exhaust gas temperature is reduced, so as to reach the purpose of efficient energy-saving.
The utility model problem also to be solved is to provide a kind of cigarette gas water heat exchange condensers, and the flue gas condenser was both carried
Efficiency high, can have self-cleaning function when flue gas produces condensed water again, it is ensured that heating surface fume side not dust stratification dirt, so that
Reach permanent efficient energy-saving purpose.
The technical solution of the utility model, a kind of corrugated plate dst flue gas/water-condensing heat exchanger, it includes flue gas before water-cooled
Header, shell, delivery port, water inlet, rear flue gas header, exhaust opening, stay bolt bar and heat exchanging body；The shell side is provided with water-cooled
Flue gas header before formula, opposite side is provided with rear flue gas header, and shell upper end is provided with delivery port and water inlet；The rear flue gas header with
Exhaust opening is connected；Heat exchanging body is provided with the shell.
The rear flue gas header lower section is provided with flue gas condensing water outlet；Flue gas condensing water outlet lower section is provided with water side row
The mouth of a river.
The heat exchanging body is provided with inspection socket.
The heat exchanging body includes corrugated plating heat exchange group, waterway channel and exhaust gases passes；The corrugated plating heat exchange group it is upper and lower
The some spaced waterway channel of insertion is set, and left and right sets some spaced exhaust gases passes of insertion, the water route
Passage and exhaust gases passes share common sidewalls and it is separated by distribution；The exhaust gases passes connect with the preceding flue gas header of water-cooled and rear flue gas header
Connect；The madial wall of the exhaust gases passes is provided with ripple, and the ripple trend of opposing sidewalls is interlocked.
The staggeredly ripple of exhaust gases passes can guide flue gas to produce rotation, intersect the destruction flue gas pair such as blending, convergent-divergent
The effect of the thermal boundary layer and laminar sublayer of heat exchange is flowed, plays a part of good augmentation of heat transfer.Meanwhile, the flue gas of strong disturbance
It is strong to heating surface generation to wash away, serve self-cleaning function.
The corrugated plating heat exchange group includes the heat exchange group that several corrugated platings are welded, and has on the corrugated plating multiple rows of convex
Rise, and it is raised in corrugated.
The heat exchanging body（10）Using stainless steel.
Corrugated plate dst flue gas/water-condensing heat exchanger the outer layer is provided with heat-insulation layer.
Stay bolt bar is provided between the preceding flue gas header of water-cooled and rear flue gas header.
Further, the heat exchanging body is stainless steel, prevents acid condensate water from corroding.
Further, the heat exchanging body is respectively arranged at two ends with preceding flue gas header and rear flue gas header, and flue gas is by condensation
After device, temperature drop enters back into the rear flue gas header of condenser, and the rear flue gas header is provided with exhaust opening.
Further, the rear flue gas header is provided with condensate drain outlet, and its effect is to produce flue gas condenser fume side
Raw condensed water discharge.
The beneficial effects of the utility model：Cigarette gas water heat exchange condensers of the present utility model are using flue gas strong disturbance
Heat convection mode, wherein, the ripple on exhaust gases passes makes flue gas produce rotation, shunt and converge, shrink and expand.In this way,
The thermal boundary layer and laminar boundary layer of forced convective heat transfer of flue are destroyed, strengthens the heat-transfer effect of fume side.In addition, flue gas wash away and
The condensed water that flue gas is produced has from flushing and self-cleaning function to cigarette side heating surface, has more long than common tubular type condensation energy-saving utensil
Maintenance period.
The heating surface of the utility model flue gas condenser is tolerated low using the stainless steel of tolerance acid condensate water corrosion
The condensate corrosion of warm flue gas.
The utility model condenser absorbs the sensible heat in flue gas to greatest extent, at the same absorb flue gas in water vapor condensation into
A large amount of latent heat that water is discharged, reach the purpose of energy-conservation.
The total flue gas pressure drop of the utility model is smaller, and power consumption is few；With efficient, energy-conservation and with long lifespan and maintenance
Few the advantages of.
Brief description of the drawings
Fig. 1 is the utility model structural representation,
Fig. 2 is corrugated plating schematic diagram.
Fig. 3 is the utility model side elevational cross-section schematic diagram.
Fig. 4 is the utility model Section A-A schematic diagram.
Description of reference numerals：1st, flue gas header before water-cooled；2nd, shell；3rd, delivery port；4th, water inlet；5th, rear flue gas collection
Case；6th, exhaust opening；7th, flue gas condensing water outlet；8th, water side discharge outlet；9th, stay bolt bar；10th, heat exchanging body；11st, inspection socket.
Specific embodiment
Embodiment 1
As Figure 1-4, a kind of corrugated plate dst flue gas/water-condensing heat exchanger, it includes flue gas header 1 before water-cooled, outer
Shell 2, delivery port 3, water inlet 4, rear flue gas header 5, exhaust opening 6, stay bolt bar 9 and heat exchanging body 10；The side of the shell 2 is provided with water
Flue gas header 1 before cold type, opposite side is provided with rear flue gas header 5, and the upper end of shell 2 is provided with delivery port 3 and water inlet 4；The rear cigarette
Gas header 5 is connected with exhaust opening 6；Heat exchanging body 10 is provided with the shell 2.
The lower section of the rear flue gas header 5 is provided with flue gas condensing water outlet 7；The lower section of flue gas condensing water outlet 7 is provided with water
Side discharge outlet 8.
The heat exchanging body 10 is provided with inspection socket 11.
The heat exchanging body 10 includes corrugated plating heat exchange group, waterway channel and exhaust gases passes；The corrugated plating heat exchange group it is upper
The lower some spaced waterway channel for setting insertion, left and right sets some spaced exhaust gases passes of insertion, the water
Paths and exhaust gases passes share common sidewalls and it is separated by distribution；The exhaust gases passes and the preceding flue gas header 1 of water-cooled and rear flue gas collection
Case 5 is connected；The madial wall of the exhaust gases passes is provided with ripple, and the ripple trend of opposing sidewalls is interlocked.The corrugated plating heat exchange group bag
The heat exchange group that several corrugated platings are welded is included, there is multiple rows of projection on the corrugated plating, and it is raised in corrugated.
The heat exchanging body 10 uses stainless steel.
Corrugated plate dst flue gas/water-condensing heat exchanger the outer layer is provided with heat-insulation layer.
Stay bolt bar 9 is provided between the preceding flue gas header 1 of water-cooled and rear flue gas header 5.
During utility model works, flue gas enters heat exchanging body 10 by the preceding flue gas header 1 for being arranged on heat exchanging body front end.It is described
Heat exchanging body 10 includes several by plate（Referring to Fig. 2）The heat exchange group that welding is combined, corrugated plating has multiple rows of ripple raised.When
Flue gas from flowed through between corrugated plating when, the flowing of flue gas constantly rotates because of ripple with the interference and guiding of conduit, intersects, converges
Splitting or integrating stream, expansion and contraction, so as to not only enhance heat transfer, have also carried out automatically cleaning to plate.Flue gas outflow after heat exchange is changed
Hot body 10, into rear flue gas header 5, finally by the eductor condenser of exhaust opening 6.During flue-gas temperature reduction, may be produced in flue gas
Raw condensed water, the condensed water of generation can discharge heat exchanging body from flue gas condensing water outlet 7.Recirculated water enters heat exchange from water inlet 4
Body, after the heat of the flue gas that absorption flows through heat exchanging body, condenser is left by delivery port 3.
Obviously, above-described embodiment of the present utility model is only intended to clearly illustrate the utility model example, and
It is not the restriction to implementation method of the present utility model.For those of ordinary skill in the field, in described above
On the basis of can also make other changes in different forms.Here all of evolutionary mode cannot be exhaustive.
It is every to belong to the obvious change or change still in of the present utility model that the technical solution of the utility model extends out
The row of protection domain.
Claims (8)
1. a kind of corrugated plate dst flue gas/water-condensing heat exchanger, it is characterised in that：It includes flue gas header before water-cooled（1）, shell
（2）, delivery port（3）, water inlet（4）, rear flue gas header（5）, exhaust opening（6）, stay bolt bar（9）And heat exchanging body（10）；It is described outer
Shell（2）Side is provided with flue gas header before water-cooled（1）, opposite side is provided with rear flue gas header（5）, shell（2）Upper end is provided with water outlet
Mouthful（3）And water inlet（4）；The rear flue gas header（5）With exhaust opening（6）It is connected；The shell（2）Inside it is provided with heat exchanging body
（10）.
2. corrugated plate dst flue gas/water-condensing heat exchanger according to claim 1, it is characterised in that：The rear flue gas header（5）
Lower section is provided with flue gas condensing water outlet（7）；Flue gas condensing water outlet（7）Lower section is provided with water side discharge outlet（8）.
3. corrugated plate dst flue gas/water-condensing heat exchanger according to claim 1, it is characterised in that：The heat exchanging body（10）On
It is provided with inspection socket（11）.
4. corrugated plate dst flue gas/water-condensing heat exchanger according to claim 1, it is characterised in that：The heat exchanging body（10）Bag
Include corrugated plating heat exchange group, waterway channel and exhaust gases passes；Some intervals row of the insertion setting up and down of the corrugated plating heat exchange group
The waterway channel of row, left and right sets some spaced exhaust gases passes of insertion, the waterway channel and exhaust gases passes common side
Wall and it is separated by distribution；Flue gas header before the exhaust gases passes and water-cooled（1）With rear flue gas header（5）Connection；The exhaust gases passes
Madial wall be provided with ripple, the ripple trend of opposing sidewalls is interlocked.
5. corrugated plate dst flue gas/water-condensing heat exchanger according to claim 4, it is characterised in that：The corrugated plating heat exchange group
Including the heat exchange group that several corrugated platings are welded, there is multiple rows of projection on the corrugated plating, and it is raised in corrugated.
6. corrugated plate dst flue gas/water-condensing heat exchanger according to claim 1, it is characterised in that：The heat exchanging body（10）Adopt
Use stainless steel.
7. corrugated plate dst flue gas/water-condensing heat exchanger according to claim 1, it is characterised in that：The corrugated plate dst flue gas/
Water-condensing heat exchanger outer layer is provided with heat-insulation layer.
8. corrugated plate dst flue gas/water-condensing heat exchanger according to claim 1, it is characterised in that：Flue gas before the water-cooled
Header（1）With rear flue gas header（5）Between be provided with stay bolt bar（9）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621448899.4U CN206310945U (en) | 2016-12-27 | 2016-12-27 | A kind of corrugated plate dst flue gas/water-condensing heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621448899.4U CN206310945U (en) | 2016-12-27 | 2016-12-27 | A kind of corrugated plate dst flue gas/water-condensing heat exchanger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206310945U true CN206310945U (en) | 2017-07-07 |
Family
ID=59246598
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621448899.4U Active CN206310945U (en) | 2016-12-27 | 2016-12-27 | A kind of corrugated plate dst flue gas/water-condensing heat exchanger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206310945U (en) |
-
2016
- 2016-12-27 CN CN201621448899.4U patent/CN206310945U/en active Active
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