CN206891234U - A kind of multi-layer formula flue gas heat-exchange device - Google Patents
A kind of multi-layer formula flue gas heat-exchange device Download PDFInfo
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- CN206891234U CN206891234U CN201720426962.2U CN201720426962U CN206891234U CN 206891234 U CN206891234 U CN 206891234U CN 201720426962 U CN201720426962 U CN 201720426962U CN 206891234 U CN206891234 U CN 206891234U
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- flue gas
- air duct
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Abstract
The utility model discloses a kind of multi-layer formula flue gas heat-exchange device, including casing；Sealing welding has into smoke box, goes out smoke box on casing；Cross direction profiles have multi-layer air pipeline in casing；The outer wall of each air duct is welded with heat absorption fin, and gap is provided between the heat absorption fin on two neighboring air duct；The front side of casing is provided with air intlet, and air outlet slit is provided with rear side of the casing；Multiple air-guide box I, the air-guide box II of the rear wall welding respective amount of the casing are welded with the antetheca of casing；Air duct in casing connects for every two layers with a sealing of air-guide box I from top to bottom, and the air duct in the casing connects for every two layers with a sealing of air-guide box II from the bottom up.The utility model by air heat temperature raising, is directly used in the use of industrially drying workshop using boiler high temperature flue gas；Realize the multi-layer formula heating of air；Abundant, utilization rate height is utilized to fume waste heat；Rational in infrastructure, using effect is good.
Description
Technical field
A kind of waste heat comprehensive utilization device is the utility model is related to, more particularly to it is a kind of discarded hot using boiler chimney
Amount carries out the device of multi-layer formula flue gas heat exchange.
Background technology
The utilization of boiler chimney used heat is commonplace, and currently used boiler chimney Waste Heat Reuse method is all to save combustion
For the purpose of coal, be used for by a kind of heat-exchange device, after chimney waste heat is exchanged heating boiler moisturizing or burner hearth air intake with up to
To the effect for saving coal.Two limitations be present in this Waste Heat Reuse mode：First, the heat that exchange obtains is only used for boiler sheet
Body saves fuel, it is impossible to is directly used in production；Second, exchange system is short, the thermal efficiency is relatively low, and chimney waste heat can not make full use of.
Utility model content
The utility model is directed to above-mentioned deficiency, there is provided a kind of flue gas heat-exchange device of multi-layer formula, the switch will
Flue gas heat is exchanged into clean hot blast and is directly used in product drying to greatest extent.
To achieve the above object, the utility model is achieved through the following technical solutions：A kind of multi-layer formula flue gas heat exchange
Device, include the casing of sealing；There is into smoke box with being connected on the left of casing sealing welding, also sealing weldering on the casing on the casing
Smoke box is connected to out with being connected on the right side of casing；Equidistant cross direction profiles have multi-layer air pipeline in the casing；Per layer of air pipeline
Including multiple air ducts；Heat absorption fin, the two neighboring sky are equidistantly welded with the outer wall of each air duct
Gap is provided between heat absorption fin in feed channel；The front side of the casing is provided with an air intlet and the bottom in casing
Air duct sealing connection, casing rear side are provided with an air outlet slit and connected with the air duct sealing of top in casing；
It is welded with multiple air-guide box I on the antetheca of the casing successively from top to bottom, on the rear wall of the casing from the bottom up successively
It is welded and fixed the air-guide box II of respective amount；Air duct in the casing from top to bottom with one lead by every two layers of leading section
The sealing of gas box I connects, and every two layers of rearward end connects the air duct in the casing with a sealing of air-guide box II from the bottom up.
Further, it is described enter smoke box bottom be provided with smoke inlet.
Further, it is described go out smoke box top be provided with outlet flue.
Further, the number of plies of the air duct is set to odd number, preferably 7 layers.
Further, between the spacing between the pipeline per layer of air and the two neighboring air duct per layer of air pipeline
Spacing it is equal.
Preferably, tubular structure is made using cast steel material in the air duct.
Preferably, laminated structure is made using cast steel material in the heat absorption fin.
Compared with prior art, the utility model has the advantages that：
1st, flue gas heat is absorbed by the fin that absorbs heat and passes to the air in air duct, utilize boiler high temperature flue gas
Heat by air heat temperature raising, atmosphere temperature rising significant effect, hot-air is directly used in the use of industrially drying workshop, expands pot
The utilization scope of stove flue gas；
2nd, air pass sequentially through air intlet, lower air pipeline, air-guide box II, upper strata air duct, air-guide box I, on
Upper strata air duct and air outlet slit, via bottom half, successively spiral escalation heats up step by step, realizes the multi-layer of air
Formula heats up；
3rd, flue gas enters through entering smoke box on the left of casing, gradually sealed the examinee's name on an exam-paper so as to prevent fraudulence in whole casing, fully contacts, inhales with heat absorption fin
Hot fin heat absorption is abundant, and abundant, utilization rate height is utilized to fume waste heat；
4th, flue gas enters through entering smoke box on the left of casing, in casing after heat release, then through going out smoke box discharge on the right side of casing, this
During flue gas only temperature decline, without other loss, therefore can also carry out other waste gas exchange utilize, further improve utilize
Rate；
5th, the utility model integral sealing designs, and flue gas and air are not connected, and rational in infrastructure, using effect is good.
Brief description of the drawings
Fig. 1 is cross section structure diagram of the present utility model；
Fig. 2 is the utility model Fig. 1 A to schematic diagram；
Fig. 3 is the enlarged section of the utility model air duct；
In figure：1st, casing, 2, enter smoke box, 3, go out smoke box, 4, air duct, 5, heat absorption fin, 6, air intlet, 7, air
Outlet, 8, air-guide box I, 9, air-guide box II, 10, smoke inlet, 11, outlet flue.
Embodiment
Reference picture 1-3, the multi-layer formula flue gas heat-exchange device include the casing 1 of sealing；On casing 1 sealing welding have into
Smoke box 2 connects with the left side of casing 1, and also sealing welding has smoke box 3 to be connected with the right side of casing 1 on the casing 1；Enter the bottom of smoke box 2
Portion is provided with smoke inlet 10, and the top for going out smoke box 3 is provided with outlet flue 11；Equidistantly distributed has odd number successively from top to bottom in casing 1
The air duct 4 that layer is laterally set；Include multiple air laterally equidistantly arranged along casing fore-and-aft direction per layer of air pipeline 4
Pipeline 4；Heat absorption fin 5 is equidistantly welded with each air duct 4, between the heat absorption fin 5 on two neighboring air duct 4
Pass through provided with gap for flue gas；The air duct 4 that the front side of casing 1 is provided with an air intlet 6 and the bottom in casing 1 is close
Envelope connection, the rear side of casing 1 are provided with an air outlet slit 7 and connected with the sealing of air duct 4 of top in casing 1；Casing 1
It is welded with multiple air-guide box I 8 on antetheca successively from top to bottom, is welded and fixed successively from the bottom up on the rear wall of the casing 1
The air-guide box II 9 of respective amount；Every two layers of leading section and an air-guide box I 8 are close from top to bottom for air duct 4 in casing 1
Envelope connects, and every two layers of rearward end connects the air duct 4 in the casing 1 with a sealing of air-guide box II 9 from the bottom up, that is, has
And only the both ends of a layer of air pipeline 4 are in an air-guide box I 8 and an air-guide box II 9 simultaneously, are easy to form a sky
Air-flow leads to guide channel, steps up air.
Because the air duct 4 of the bottom connects with the sealing of air intlet 6 in above-mentioned casing 1, therefore the sky of the bottom
The leading section of feed channel 4 does not connect with air-guide box I 8；Because the air duct 4 of top and air outlet slit 7 are close in above-mentioned casing 1
Envelope connection, therefore the rearward end of air duct 4 of the top does not connect with air-guide box II 9.
Due to the air duct 4 in above-mentioned casing 1, every two layers of leading section connects with a sealing of air-guide box I 8 from top to bottom
Logical, every two layers of rearward end connects the air duct 4 in the casing 1 with a sealing of air-guide box II 9 from the bottom up, and the bottom
The leading section of air duct 4 do not connected with air-guide box I 8, the rearward end of the air duct of top 4 not with air-guide box II 9 connect
Logical, therefore, the quantity of air-guide box I 8 and air-guide box II 9 depends on the number of plies of air duct 4, if the number of plies of air duct 4 is N（N
For odd number）, then the quantity of air-guide box I 8 and air-guide box II 9 is N/2-1.
The utility model air duct 4 is preferably 7 layers, then the quantity of air-guide box I 8 and air-guide box II 9 is 3.
Using the box body structure of sealing, its side offers two layers of port up and down for air-guide box I 8 and air-guide box II 9
For being tightly connected the end of air duct 4.
Per the spacing phase between the spacing between layer of air pipeline 4 and the two neighboring air duct 4 per layer of air pipeline
Deng being easy to flue gas to be uniformly distributed in the outside of air duct 4.
Preferentially tubular structure is made using cast steel material in air duct 4, and preferentially piece is made using cast steel material in heat absorption fin 5
Shape structure, the corrosion of cast steel material high temperature resistant flue gas.
The course of work of the present utility model is：
（1）Air-introduced machine is respectively mounted at smoke inlet 10 and outlet flue 11, then smoke inlet 10 is connected on boiler chimney and connect
Enter high-temperature boiler flue gas, outlet flue 3 is connected to other existing flue gas switches；
（2）One air-introduced machine is installed respectively at air intlet 6 and air outlet slit 7, cleaned air is then accessed into air
Import 6, air outlet slit 7 is connected to drying plant；
（3）The high temperature waste smoke of boiler is entered by smoke inlet 10 from left to right gradually diffuses whole casing 1 after smoke box 2,
The fin 5 that absorbs heat contacts high-temperature flue gas heat absorption heating, then the air transferred heat in air duct 4, air pass sequentially through down
Upper strata air duct 4 successively heats up step by step on the 8- of II 9- upper stratas air duct 4- air-guide box of layer of air pipeline 4- air-guide box I, finally
The hot-air of heating is discharged from air outlet slit 7, and being discharged into drying plant through air-introduced machine is utilized, and smoke is passed sequentially through after flue gas cool-down
Case 3 and outlet flue 11 are discharged, and outlet flue 3 is connected with other existing flue gas switches and flue gas is recycled.
Tests prove that air themperature is up to 85 DEG C or so after 7 layer of air pipelines 4.
Claims (8)
1. a kind of multi-layer formula flue gas heat-exchange device, include the casing of sealing（1）, it is characterized in that：The casing（1）Upper sealing
It is welded with into smoke box（2）With casing（1）Left side connects, the casing（1）Upper also sealing welding has smoke box（3）With casing（1）It is right
Side connects；The casing（1）Interior equidistantly cross direction profiles have multi-layer air pipeline（4）；Per layer of air pipeline（4）Including multiple etc.
The transversely arranged air duct of spacing（4）；Each air duct（4）On be equidistantly welded with heat absorption fin（5）, two neighboring sky
Feed channel（4）On heat absorption fin（5）Between be provided with gap；The casing（1）Front side be provided with an air intlet（6）With institute
State the air duct of the bottom in casing（4）Sealing connection, the casing（1）Rear side is provided with an air outlet slit（7）With the case
The air duct of internal top（4）Sealing connection；The casing（1）Antetheca on be fixed with multiple air guides successively from top to bottom
Box I（8）, the casing（1）Rear wall on be fixed with the air-guide box II of respective amount successively from the bottom up（9）；The casing（1）It is interior
Air duct（4）Every two layers of leading section and an air-guide box I from top to bottom（8）Sealing connection, the casing（1）Interior air
Pipeline（4）Every two layers of rearward end and an air-guide box II from the bottom up（9）Sealing connection.
2. a kind of multi-layer formula flue gas heat-exchange device according to claim 1, it is characterized in that：It is described enter smoke box（2）'s
Bottom is provided with smoke inlet（10）.
3. a kind of multi-layer formula flue gas heat-exchange device according to claim 1, it is characterized in that：It is described go out smoke box（3）'s
Top is provided with outlet flue（11）.
4. a kind of multi-layer formula flue gas heat-exchange device according to claim 1, it is characterized in that：The air duct（4）
The number of plies be odd number.
5. a kind of multi-layer formula flue gas heat-exchange device according to claim 4, it is characterized in that：The air duct（4）
The number of plies be 7 layers.
6. a kind of multi-layer formula flue gas heat-exchange device according to claim 1, it is characterized in that：Every layer of air pipeline
（4）Between spacing and the two neighboring air duct per layer of air pipeline（4）Between spacing it is equal.
7. a kind of multi-layer formula flue gas heat-exchange device according to claim 1, it is characterized in that：The air duct（4）
It is the tubular structure made of cast steel material.
8. a kind of multi-layer formula flue gas heat-exchange device according to claim 1, it is characterized in that：The heat absorption fin（5）
It is the laminated structure made of cast steel material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720426962.2U CN206891234U (en) | 2017-04-21 | 2017-04-21 | A kind of multi-layer formula flue gas heat-exchange device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720426962.2U CN206891234U (en) | 2017-04-21 | 2017-04-21 | A kind of multi-layer formula flue gas heat-exchange device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206891234U true CN206891234U (en) | 2018-01-16 |
Family
ID=61324804
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720426962.2U Active CN206891234U (en) | 2017-04-21 | 2017-04-21 | A kind of multi-layer formula flue gas heat-exchange device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206891234U (en) |
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2017
- 2017-04-21 CN CN201720426962.2U patent/CN206891234U/en active Active
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