CN206861568U - A kind of flue gas waste heat recovery system of oxygen-enriched combustion boiler - Google Patents
A kind of flue gas waste heat recovery system of oxygen-enriched combustion boiler Download PDFInfo
- Publication number
- CN206861568U CN206861568U CN201720396750.4U CN201720396750U CN206861568U CN 206861568 U CN206861568 U CN 206861568U CN 201720396750 U CN201720396750 U CN 201720396750U CN 206861568 U CN206861568 U CN 206861568U
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- CN
- China
- Prior art keywords
- fume afterheat
- inner barrel
- flue gas
- changeover bobbin
- oxygen
- 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.)
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- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/34—Indirect CO2mitigation, i.e. by acting on non CO2directly related matters of the process, e.g. pre-heating or heat recovery
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Abstract
The utility model discloses a kind of flue gas waste heat recovery system of oxygen-enriched combustion boiler, including boiler, circulating line, fume afterheat changeover bobbin and blower fan, circulating line is made up of the first pipeline and second pipe, inner barrel is provided with fume afterheat changeover bobbin, first pipeline one end and the flue gas gas outlet of boiler connect, the other end is connected with inner barrel, the burner hearth of second pipe one end and boiler connects, the other end is connected with fume afterheat changeover bobbin, fume afterheat changeover bobbin inwall is provided with two fixed covers for being used to fix inner barrel, the first valve is sequentially provided with second pipe, dust arrester, second air-introduced machine, desulfurizer and the second valve, fume afterheat changeover bobbin one end is provided with drive end bearing bracket, the other end is provided with rear end cap, drive end bearing bracket is provided with the first installation set, the output end of blower fan coordinates with the first installation external threading.Fume afterheat is made full use of, reduces energy consumption when boiler uses, improves the performance of oxygen-enriched combustion boiler, installation and convenient disassembly.
Description
Technical field
It the utility model is related to a kind of flue gas waste heat recovery system of oxygen-enriched combustion boiler.
Background technology
Oxygen-enriched combusting is exactly using more combustion-supporting to carry out than hyperoxic air (even pure oxygen) in air.Oxygen-enriched combustion
Burning technology is mainly used on the Industrial Boilers such as metallurgy, glass preparation, as prepared by oxygen from when proposing the 1980s
Technology reaches its maturity, and oxygen-enriched combustion technology also have developed rapidly therewith, in recent years, also progressively deploys on station boiler at home and abroad
Research, experiment or even application.
But existing boiler oxygen-enriched combustion technology can't reach user's requirement, the waste heat of flue gas can not when in use
Recycle, and hyperoxic air also needs to be preheated, and can so cause the energy consumption increase of boiler when in use, reduces
Its performance, this can all bring loss to user.
The content of the invention
The technical problems to be solved in the utility model is to provide a kind of simple in construction, easy to use, simple to operate, abundant profit
With fume afterheat, energy consumption when boiler uses is reduced, meets the requirement for anticorrosion of flue gas waste heat recovery system, improves oxygen-enriched combusting
The performance of boiler, stability in use is high, installation and convenient disassembly, applied widely, service life length, has safe and reliable
The flue gas waste heat recovery system of the oxygen-enriched combustion boiler of effect.
To solve the above problems, the utility model adopts the following technical scheme that：
A kind of flue gas waste heat recovery system of oxygen-enriched combustion boiler, including boiler, circulating line, fume afterheat changeover bobbin and
Blower fan, the circulating line are made up of the first pipeline and second pipe, and inner barrel is provided with the fume afterheat changeover bobbin, described
First pipeline one end and the flue gas gas outlet of boiler are connected, and the other end is connected with inner barrel, described second pipe one end and boiler
Burner hearth connection, the other end be connected with fume afterheat changeover bobbin, and the fume afterheat changeover bobbin inwall is provided with two for consolidating
Determine the fixed cover of inner barrel, the second pipe is provided with the first air-introduced machine, be sequentially provided with the second pipe the first valve,
Dust arrester, the second air-introduced machine, desulfurizer and the second valve, described fume afterheat changeover bobbin one end is provided with drive end bearing bracket, another
End is provided with rear end cap, and the drive end bearing bracket is provided with the first installation set, and the output end of the blower fan coordinates with the first installation external threading,
The rear end cap is provided with the second installation set for being used for fixing the first pipeline, and the inner barrel top and the bottom are provided with blast pipe and draining
Pipe, the blast pipe and drainpipe extend outside fume afterheat changeover bobbin.
As preferable technical scheme, the inner barrel inner bottom part is provided with two hang plates, the upper end of the drainpipe with
What the least significant end opening position of two hang plates was engaged, the blast pipe is provided with the 3rd valve, and the drainpipe is provided with the
Four valves, the delivery port of the drainpipe are connected with pond, and the blast pipe upper end is extended in inner barrel, it is described extend in
Curved baffle is provided with blast pipe upper end position in cylinder.
As preferable technical scheme, the drive end bearing bracket and rear end cap seal with fume afterheat changeover bobbin to be coordinated, described
Blast pipe and drainpipe seal with fume afterheat changeover bobbin to be coordinated.
As preferable technical scheme, the drive end bearing bracket and rear end cap are detachably connected with fume afterheat changeover bobbin, institute
Two fixed covers are stated to be weldingly fixed on fume afterheat changeover bobbin inwall.
As preferable technical scheme, the screw for fixing inner barrel is equipped with described two fixed covers.
A kind of beneficial effect of the flue gas waste heat recovery system of oxygen-enriched combustion boiler of the utility model is：It is simple in construction, make
It is simple to operate with convenience, fume afterheat is made full use of, energy consumption when boiler uses is reduced, meets flue gas waste heat recovery system
Requirement for anticorrosion, the performance of oxygen-enriched combustion boiler being improved, stability in use is high, installation and convenient disassembly, applied widely,
Service life is grown, and has the function that safe and reliable.
Brief description of the drawings
, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
Or the required accompanying drawing used is briefly described in description of the prior art, it should be apparent that, drawings in the following description are only
It is some embodiments of the utility model, for those of ordinary skill in the art, is not paying the premise of creative work
Under, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is a kind of structural representation of the flue gas waste heat recovery system of oxygen-enriched combustion boiler of the utility model；
Fig. 2 is a kind of exhaust pipe structure figure of the flue gas waste heat recovery system of oxygen-enriched combustion boiler of the utility model.
Embodiment
Refering to a kind of flue gas waste heat recovery system of oxygen-enriched combustion boiler shown in Fig. 1 and Fig. 2, including boiler 1, circulation pipe
Road 2, fume afterheat changeover bobbin 3 and blower fan 4, the circulating line 2 is made up of the first pipeline 5 and second pipe 6, more than the flue gas
Inner barrel 7 is provided with hot-cast socket cylinder 3, described one end of first pipeline 5 is connected with the flue gas gas outlet of boiler 1, the other end and inner cylinder
Body 7 is connected, and described one end of second pipe 6 is connected with the burner hearth of boiler 1, and the other end is connected with fume afterheat changeover bobbin 3, the cigarette
The inwall of gas waste heat changeover bobbin 3 is provided with two fixed covers 8 for being used to fix inner barrel 7, and the second pipe 6 draws provided with first
Blower fan 9, the first valve 10, dust arrester 11, the second air-introduced machine 12, the and of desulfurizer 13 are sequentially provided with the second pipe 5
Second valve 14, described one end of fume afterheat changeover bobbin 3 are provided with drive end bearing bracket 15, and the other end is provided with rear end cap 16, the drive end bearing bracket
15 are provided with the first installation set 17, and the output end of the blower fan 4 coordinates with the first 17 external threadings of installation, set on the rear end cap 16
There is the second installation set 18 for fixing the first pipeline 5, the top and the bottom of inner barrel 7 are provided with blast pipe 101 and drainpipe 102,
The blast pipe 101 and drainpipe 102 extend outside fume afterheat changeover bobbin 3.
A preferred embodiment in the utility model, the inner bottom part of inner barrel 7 are provided with two hang plates 21, the row
The upper end of water pipe 102 is engaged with the least significant end opening position of two hang plates 21, and the blast pipe 101 is provided with the 3rd valve
22, the drainpipe 102 is provided with the 4th valve 23, and the delivery port of the drainpipe 102 is connected with pond 24, the blast pipe
101 upper ends are extended in inner barrel 7, and described extend to is provided with curved baffle 33 at the blast pipe upper end position in inner barrel 7.
A preferred embodiment in the utility model, the drive end bearing bracket 15 and rear end cap 16 with fume afterheat changeover bobbin
3 sealings coordinate, and the blast pipe 101 and drainpipe 102 seal with fume afterheat changeover bobbin 3 to be coordinated.
A preferred embodiment in the utility model, the drive end bearing bracket 15 and rear end cap 16 with fume afterheat changeover bobbin
3 are detachably connected, and described two fixed covers 8 are weldingly fixed on the inwall of fume afterheat changeover bobbin 3.
A preferred embodiment in the utility model, it is equipped with for fixing inner barrel 7 on described two fixed covers 8
Screw（It is not shown）.
Further, the inner barrel inner bottom part is provided with two hang plates, the upper end of the drainpipe and two hang plates
Least significant end opening position be engaged, the blast pipe upper end is extended in inner barrel, the exhaust extended in inner barrel
Curved baffle is provided with pipe upper end position, by two set hang plates and drainpipe, when fume afterheat is absorbed by inner barrel
Afterwards, inner barrel has certain temperature, and after the air contact colder with external temperature, flue gas can then form some water to the cold
Pearl, and by the setting of hang plate and drainpipe, these globules can be discharged, avoid the globule from being accumulated in inner barrel and influence it
Normal use, and pass through set curved baffle, when the globule is adhered on the inwall of inner barrel, the meeting after globule gradually increases
Drop, and by set curved baffle, the globule can be avoided to fall in blast pipe.
Further, the drive end bearing bracket and rear end cap are sealed with fume afterheat changeover bobbin and coordinated, the blast pipe and row
Water pipe seals with fume afterheat changeover bobbin to be coordinated, and by above structure setting, adds the close of fume afterheat changeover bobbin entirety
Sealing property, avoid it from leaking air when in use and show generation.
A kind of flue gas waste heat recovery system of oxygen-enriched combustion boiler of the utility model has advantages below：In use, pass through
The flue gas of boiler is transported in inner barrel by the first pipeline, and the higher air of external oxygen purity is then input to flue gas by blower fan
In waste heat changeover bobbin, because flue gas has certain waste heat, then can cause inner barrel that there is certain heat, and external temperature compared with
Low air can absorb the temperature on inner barrel when touching inner barrel, so that the temperature increase of air, works as Air Temperature
Degree increases and can then reach certain temperature by air after inner barrel outer wall, then first by being arranged on second pipe draws
Air after fume afterheat is absorbed in fume afterheat changeover bobbin is delivered in the burner hearth of boiler by blower fan, and is being delivered to boiler
Before burner hearth, if air themperature can not meet preheating temperature of the burner hearth in burning, it can also be carried out again before burner hearth is delivered to
Air preheat is handled, and is set by overall structure of the present utility model, can be utilized the waste heat of flue gas well, be reduced boiler
Energy consumption when in use, increase its combustion efficiency, improve the performance of oxygen-enriched combustion boiler, and by the first pipeline
The dust arrester and desulfurizer of setting, the dust carried secretly in flue gas and sulfur dioxide can effectively be removed, avoid working as cigarette
Dust and sulfur dioxide influence air quality after gas is discharged into air.Its is simple in construction, easy to use, simple to operate, fills
Divide and utilize fume afterheat, reduce energy consumption when boiler uses, meet the requirement for anticorrosion of flue gas waste heat recovery system, improve oxygen-enriched
The performance of burning boiler, stability in use is high, installation and convenient disassembly, applied widely, service life length, has safety
Reliable effect.
It is described above, only specific embodiment of the present utility model, but the scope of protection of the utility model is not limited to
In this, any change or replacement expected without creative work, should all cover within the scope of protection of the utility model.
Therefore, the scope of protection of the utility model should be determined by the scope of protection defined in the claims.
Claims (5)
- A kind of 1. flue gas waste heat recovery system of oxygen-enriched combustion boiler, it is characterised in that：More than boiler, circulating line, flue gas Hot-cast socket cylinder and blower fan, the circulating line are made up of the first pipeline and second pipe, are provided with the fume afterheat changeover bobbin The flue gas gas outlet connection of inner barrel, described first pipeline one end and boiler, the other end are connected with inner barrel, the second pipe The burner hearth of one end and boiler is connected, and the other end is connected with fume afterheat changeover bobbin, and the fume afterheat changeover bobbin inwall is provided with Two fixed covers for being used to fix inner barrel, the second pipe are provided with the first air-introduced machine, set successively on the second pipe There are the first valve, dust arrester, the second air-introduced machine, desulfurizer and the second valve, described fume afterheat changeover bobbin one end is provided with Drive end bearing bracket, the other end are provided with rear end cap, and the drive end bearing bracket is provided with the first installation set, the output end of the blower fan and the first installation External threading coordinates, and the rear end cap is provided with the second installation set for being used for fixing the first pipeline, and the inner barrel top and the bottom are provided with Blast pipe and drainpipe, the blast pipe and drainpipe extend outside fume afterheat changeover bobbin.
- 2. the flue gas waste heat recovery system of oxygen-enriched combustion boiler according to claim 1, it is characterised in that：The inner barrel Inner bottom part is provided with two hang plates, and the upper end of the drainpipe is engaged with the least significant end opening position of two hang plates, described Blast pipe is provided with the 3rd valve, and the drainpipe is provided with the 4th valve, and the delivery port of the drainpipe is connected with pond, institute State blast pipe upper end to extend in inner barrel, curved baffle is provided with the blast pipe upper end position extended in inner barrel.
- 3. the flue gas waste heat recovery system of oxygen-enriched combustion boiler according to claim 1, it is characterised in that：The drive end bearing bracket Seal and coordinate with fume afterheat changeover bobbin with rear end cap, the blast pipe and drainpipe are matched somebody with somebody with the sealing of fume afterheat changeover bobbin Close.
- 4. the flue gas waste heat recovery system of oxygen-enriched combustion boiler according to claim 1, it is characterised in that：The drive end bearing bracket It is detachably connected with rear end cap with fume afterheat changeover bobbin, described two fixed covers are weldingly fixed on fume afterheat changeover bobbin On inwall.
- 5. the flue gas waste heat recovery system of oxygen-enriched combustion boiler according to claim 1, it is characterised in that：It is described two solid Surely the screw being equipped with for fixing inner barrel is put.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720396750.4U CN206861568U (en) | 2017-04-17 | 2017-04-17 | A kind of flue gas waste heat recovery system of oxygen-enriched combustion boiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720396750.4U CN206861568U (en) | 2017-04-17 | 2017-04-17 | A kind of flue gas waste heat recovery system of oxygen-enriched combustion boiler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206861568U true CN206861568U (en) | 2018-01-09 |
Family
ID=60817693
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720396750.4U Expired - Fee Related CN206861568U (en) | 2017-04-17 | 2017-04-17 | A kind of flue gas waste heat recovery system of oxygen-enriched combustion boiler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206861568U (en) |
-
2017
- 2017-04-17 CN CN201720396750.4U patent/CN206861568U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180109 Termination date: 20180417 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |