CN204891628U - Flue gas mixing arrangement - Google Patents
Flue gas mixing arrangement Download PDFInfo
- Publication number
- CN204891628U CN204891628U CN201520615985.9U CN201520615985U CN204891628U CN 204891628 U CN204891628 U CN 204891628U CN 201520615985 U CN201520615985 U CN 201520615985U CN 204891628 U CN204891628 U CN 204891628U
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- China
- Prior art keywords
- mixing
- flue gas
- mixing chamber
- inner core
- chamber
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Abstract
The utility model provides a flue gas mixing arrangement, it includes mixing drum, flue gas inlet and exhanst gas outlet, still including mixed inner tube, mix the vertical setting of inner tube inside the mixing drum, the annular space that mixes between inner tube and the mixing drum constitutes a mixing chamber, and the inner chamber that mixes the inner tube is the 2nd mixing chamber, a mixing chamber and the 2nd mixing chamber bottom intercommunication, flue gas inlet sets up in mixing chamber top, the exhanst gas outlet sets up in the 2nd mixing chamber top, the flue gas gets into a mixing chamber from flue gas inlet to go on once mixing, and the flue gas and then is discharged by the exhanst gas outlet down and get into the 2nd mixing chamber from the bottom and carry out mix second time, the utility model discloses a flue gas mixing arrangement's flue gas can realize that the secondary mixes, and just a mixing chamber is annular cavity, can make to collide between the flue gas fluid to mix many times, can realize the flue gas homogeneous mixing, simple structure.
Description
Technical field
The utility model relates to a kind of flue gas blender, particularly relates to the flue gas mixing arrangement for sinter fume.
Background technology
Sinter fume circulating technology the flue gas of Main Gas Flue of Sintering Machine is entered blender with the flue gas of drawing from sinter cooler be mixed to form heat of mixing flue gas, then heat of mixing flue gas is delivered to sintering machine bed of material surface and carry out cycle sintering, thus realize the sintering technology of sintering process energy-saving and emission-reduction.Flue gas mixing quality is directly very important to the direct motion of following cycle sintering process, smoke components homogeneous and waste heat efficiency utilization,
It is uneven to there is flue gas mixing in existing flue gas mixing arrangement, there is the defect such as flue dust and apparatus structure complexity in mixed flue gas.
Utility model content
The utility model provides a kind of flue gas mixing arrangement, and its object is to provides one to make flue gas Homogeneous phase mixing, the simple flue gas mixing arrangement of structure.
For reaching this object, the utility model by the following technical solutions:
The utility model provides a kind of flue gas mixing arrangement, comprise mixing drum, gas approach and exhanst gas outlet, also comprise mixing inner core, described mixing inner core is vertically arranged on mixing drum inside, annular space between described mixing inner core and mixing drum forms the first mixing chamber, the inner chamber of mixing inner core is the second mixing chamber, described first mixing chamber is communicated with bottom the second mixing chamber, described gas approach is arranged on above the first mixing chamber, and described exhanst gas outlet is arranged on above the second mixing chamber; Flue gas enters the first mixing chamber from gas approach and carries out mixed once, and flue gas is descending and enter the second mixing chamber from bottom and carry out second time mixing, and then is discharged by exhanst gas outlet.
Further technical scheme is, described mixing drum upper end inwall is provided with spiral plate, and the width of described spiral plate is less than the width of the first mixing chamber, and described spiral plate plate faces down inclination, and itself and horizontal direction angle are 30 °-60 °.
Further technical scheme is, described spiral plate and horizontal direction angle are 30 °, 45 °, 60 °.
Further technical scheme is, described gas approach is for being no less than two and mutually adjoining setting, and the peak of described spiral plate is near described gas approach.
Further technical scheme is, mixing drum inwall is provided with the first downward-sloping baffle plate, and mixing inner core inwall is provided with second baffle upwards.
Further technical scheme is, the inwall of described mixing drum and mixing inner core inwall are provided with the projection that the internal diameter of the internal diameter of mixing drum and mixing inner core is changed.
Further technical scheme also comprises ash bucket, and described ash bucket is connected to mixing drum lower end and is communicated with mixing drum.
Further technical scheme is, described mixing inner core lower end is higher than described mixing drum lower end.
Further technical scheme is, described ash bucket lower end is provided with star-like discharger by adpting flange.
The beneficial effects of the utility model are:
The flue gas of flue gas mixing arrangement of the present utility model can realize secondary mixing, and the first mixing chamber is annular compartment, and can make multiple impacts mixing between flue gas fluid, can realize flue gas Homogeneous phase mixing, structure is simple.
Accompanying drawing explanation
The structural representation of the flue gas mixing arrangement that Fig. 1 provides for the utility model.
In figure:
1, mixing drum; 2, gas approach; 3, exhanst gas outlet; 4, inner core is mixed; 5, the first mixing chamber; 6, the second mixing chamber; 7, spiral plate; 8, the first baffle plate; 9, second baffle; 10, protruding; 11, ash bucket; 12, star-like discharger;
Detailed description of the invention
The technical solution of the utility model is further illustrated by detailed description of the invention below in conjunction with accompanying drawing.
Present embodiments provide a kind of flue gas mixing arrangement, as shown in Figure 1, comprise mixing drum 1, mixing inner core 4, gas approach 2, exhanst gas outlet 3 and ash bucket 11.Described mixing drum 1 is the cylindrical tube of upper end closed, lower ending opening, described mixing inner core 4 upper and lower opening, and it is vertically arranged on mixing drum 1 inside and upper end is connected to mixing drum 1, concrete, and mixing inner core 4 upper end is welded in mixing drum 1 upper surface.Described ash bucket 11 is connected to mixing drum 1 lower end by adpting flange and is communicated with mixing drum 1.
Annular space between described mixing inner core 4 and mixing drum 1 forms the first mixing chamber 5, and the inner chamber of mixing inner core 4 is the second mixing chamber 6, and described first mixing chamber 5 is communicated with bottom the second mixing chamber 6.Described gas approach 2 is arranged on above the first mixing chamber 5, and described exhanst gas outlet 3 is arranged on above the second mixing chamber 6; Flue gas from gas approach 2 enter the first mixing chamber 5 carry out first time mixing, flue gas descending and enter from bottom the second mixing chamber 6 carry out second time mix, discharged by exhanst gas outlet 3 subsequently.In the present embodiment, flue gas achieves secondary mixing, and the first mixing chamber 5 is annular compartment, can make multiple impacts mixing between flue gas fluid, flue gas be mixed more even.Funnel is provided with, for collecting the flue dust in flue gas mixed process (comprising first time mixing and second time mixing) below mixing drum 1.Again taken away by flue gas to prevent the flue dust fallen in ash bucket 11, make mixing inner core 4 lower end higher than described mixing drum 1 lower end, namely mix between inner core 4 lower end and ash bucket 11 and there is gap, when flue gas is descending, major part flue gas is directly by mixing inner core 4 lower end, ash bucket 11 upper end enters the second mixing chamber 6, does not enter ash bucket 11, and then the flue dust that effectively prevent in ash bucket 11 is involved in flue gas again.
In order to enable the flue gas entering the first mixing chamber 5 be full of whole ring week, described mixing drum 1 upper end inwall is provided with spiral plate 7, and the peak of described spiral plate 7 is near described gas approach 2.The width of described spiral plate 7 is less than the width of the first mixing chamber 5, and described spiral plate 7 plate faces down inclination, and itself and horizontal direction angle are 30 °-60 °.Preferably, described spiral plate 7 is 30 °, 45 °, 60 ° with horizontal direction angle.
Described gas approach 2 is for being no less than two and mutually adjoining setting, and in the present embodiment, gas approach 2 is provided with two, is respectively sintering circulating flue gas and central cooler waste gas.
In order to increase flow perturbation, strengthening gas degree of mixedness, mixing drum 1 inwall is provided with the first downward-sloping baffle plate 8 along charge air flow direction, mixing inner core 4 inwall is provided with the second baffle 9 upwards along airflow direction of giving vent to anger.In addition, the inwall of described mixing drum 1 and mixing inner core 4 inwall can also be provided with the projection 10 that the internal diameter of the internal diameter of mixing drum 1 and mixing inner core 4 is changed.Baffle plate (comprising the first baffle plate 8 and second baffle 9) can be arranged simultaneously, also can arrange separately.Baffle plate and protruding 10 can independent uniform setting, separately bolt shape be arranged, or both are crisscross arranged.
Preferably, described ash bucket 11 lower end is provided with star-like discharger 12 by adpting flange, makes to unload ash more efficient, and effectively prevents flue dust to be bonded in ash bucket 11 inside, to result in blockage.
Below know-why of the present utility model is described in conjunction with specific embodiments.These describe just in order to explain principle of the present utility model, and can not be interpreted as the restriction to the utility model protection domain by any way.Based on explanation herein, those skilled in the art does not need to pay performing creative labour can associate other detailed description of the invention of the present utility model, and these modes all will fall within protection domain of the present utility model.
Claims (9)
1. a flue gas mixing arrangement, comprise mixing drum (1), gas approach (2) and exhanst gas outlet (3), it is characterized in that: also comprise mixing inner core (4), it is inner that described mixing inner core (4) is vertically arranged on mixing drum (1), annular space between described mixing inner core (4) and mixing drum (1) forms the first mixing chamber (5), the inner chamber of mixing inner core (4) is the second mixing chamber (6), described first mixing chamber (5) is communicated with bottom the second mixing chamber (6), described gas approach (2) is arranged on the first mixing chamber (5) top, described exhanst gas outlet (3) is arranged on the second mixing chamber (6) top, flue gas enters the first mixing chamber (5) from gas approach (2) and carries out mixed once, and flue gas is descending and enter the second mixing chamber (6) from bottom and carry out second time mixing, and then is discharged by exhanst gas outlet (3).
2. flue gas mixing arrangement according to claim 1, it is characterized in that: described mixing drum (1) upper end inwall is provided with spiral plate (7), the width of described spiral plate (7) is less than the width of the first mixing chamber (5), described spiral plate (7) plate faces down inclination, and itself and horizontal direction angle are 30 °-60 °.
3. flue gas mixing arrangement according to claim 2, is characterized in that: described spiral plate (7) and horizontal direction angle are 30 °, 45 °, 60 °.
4. the flue gas mixing arrangement according to Claims 2 or 3, it is characterized in that: described gas approach (2) is for being no less than two and mutually adjoining setting, and the peak of described spiral plate (7) is near described gas approach (2).
5. flue gas mixing arrangement according to claim 2, it is characterized in that: on mixing drum (1) inwall, be provided with downward-sloping the first baffle plate (8), mixing inner core (4) inwall is provided with second baffle (9) upwards.
6. flue gas mixing arrangement according to claim 2, is characterized in that: the inwall of described mixing drum (1) and mixing inner core (4) inwall are provided with the projection (10) that the internal diameter of the internal diameter of mixing drum (1) and mixing inner core (4) is changed.
7. flue gas mixing arrangement according to claim 1, is characterized in that: also comprise ash bucket (11), and described ash bucket (11) is connected to mixing drum (1) lower end and is communicated with mixing drum (1).
8. flue gas mixing arrangement according to claim 7, is characterized in that: described mixing inner core (4) lower end is higher than described mixing drum (1) lower end.
9. flue gas mixing arrangement according to claim 7, is characterized in that: described ash bucket (11) lower end is provided with star-like discharger (12) by adpting flange.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520615985.9U CN204891628U (en) | 2015-08-14 | 2015-08-14 | Flue gas mixing arrangement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520615985.9U CN204891628U (en) | 2015-08-14 | 2015-08-14 | Flue gas mixing arrangement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204891628U true CN204891628U (en) | 2015-12-23 |
Family
ID=54913843
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520615985.9U Expired - Fee Related CN204891628U (en) | 2015-08-14 | 2015-08-14 | Flue gas mixing arrangement |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204891628U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114471316A (en) * | 2022-01-24 | 2022-05-13 | 重庆赛迪热工环保工程技术有限公司 | Ammonia water vaporization mixing method and device for denitration |
-
2015
- 2015-08-14 CN CN201520615985.9U patent/CN204891628U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114471316A (en) * | 2022-01-24 | 2022-05-13 | 重庆赛迪热工环保工程技术有限公司 | Ammonia water vaporization mixing method and device for denitration |
| CN114471316B (en) * | 2022-01-24 | 2024-04-09 | 重庆赛迪热工环保工程技术有限公司 | Ammonia water vaporization mixing method and device for denitration |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151223 Termination date: 20200814 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |