CN201208541Y - Spray tower for treating flue gas and gas gathering ring for the same - Google Patents
Spray tower for treating flue gas and gas gathering ring for the same Download PDFInfo
- Publication number
- CN201208541Y CN201208541Y CNU2007203092585U CN200720309258U CN201208541Y CN 201208541 Y CN201208541 Y CN 201208541Y CN U2007203092585 U CNU2007203092585 U CN U2007203092585U CN 200720309258 U CN200720309258 U CN 200720309258U CN 201208541 Y CN201208541 Y CN 201208541Y
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- plate
- gathering ring
- gas gathering
- spray column
- sidewall
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Abstract
In order to lead flue gas to get together towards a spray dense-area and solve the technical problem of the flue gas in a stream guidance tower, the utility model has the technical proposal that a gas accumulation ring of a spray tower used for flue gas processing and the spray tower including the gas accumulation ring are provided. The gas accumulation ring comprises a first board; one end of the first board is connected to the side wall of the spray tower, and the first board slantways and upwards extends from the side wall of the spray tower towards the center of the spray tower. The gas accumulation ring and the spray tower can realize the technical effects that the flue gas is guided to the middle part of the tower through the gas accumulation ring to lead the flue gas to oversweep the spray dense-area, the flue gas escape is reduced, and the desulfurization efficiency is increased.
Description
Technical field
The utility model belongs to environmental technology field, relates to the spray column that is used for a kind of thermal power plant wet process of FGD spray column or other field, and the gas gathering ring that is used for spray column.
Background technology
The wet process of FGD technology is in China air contaminant treatment field at present, play an important role, the spray void tower is the main flow tower of wet desulfurizing process, its internals is few, so it is less scaling, flue gas contacts with absorption liquid is reverse, more help absorption to sulfur dioxide, but because spray column is intensive not as other zone near tower wall liquid film overlapping, belong to the spray weak area, also claim the spray dilute-phase zone, flue gas flow rate is higher herein, spray liquid to the sulfur dioxide trapping ability a little less than, thereby influenced the desulfuration efficiency of spray column.
The U.S. Pat 6,550 that on April 22nd, 2003 was authorized people such as Brown, 751B1 has disclosed a kind of gas-liquid contactor that has the liquid apparatus for redistributing.In the technical scheme of this patent, the tower wall is provided with arrangement for deflecting so that liquid departs from the tower wall, contacts with gas in the admission passage.It is not unique, but has its counterpart, also disclosed a kind of spray column with absorber paste redistribution device among the disclosed Chinese patent application CN1785482A on June 14th, 2006.Wherein absorber paste redistribution device is provided with in the medium dip of spray Tata wall, thereby can collect wall stream.
As can be seen, above-mentioned two pieces of documents have all taked to collect the technical scheme of slurry stream, but this scheme absorbs inadequate problem in the time of can not solving flue gas by the spray dilute-phase zone.
The utility model content
Technical problem to be solved in the utility model is further to improve the performance of spray column, and its desulfuration efficiency is further promoted, and provides a kind of flue gas that can make to amass wealth by heavy taxation the gas gathering ring of flue gas in the diversion tower to the spray compact district.In addition, another supplementary technology problem of the utility model solution is water conservancy diversion and makes full use of the absorption slurries.
On the one hand, the technical solution of the utility model provides a kind of gas gathering ring that is used for the spray column of flue gas processing, it is characterized in that, this gas gathering ring comprises: first plate, described first plate is connected on the sidewall of described spray column at the one end, and described first plate extends upward towards the centroclinal of spray column from the sidewall of described spray column.
Preferably, this gas gathering ring also comprises: second plate, described second plate is being connected on the sidewall of described spray column above described first plate, and the centroclinal downward extension of described second plate from the sidewall of described spray column towards spray column.
On the other hand, the utility model also provides a kind of spray column that flue gas is handled that is used for that comprises above-mentioned gas gathering ring.This spray column preferably is provided with gas gathering ring in each layer spraying layer bottom, and flue gas no longer climbs along the tower wall like this, but is guided to tower center spray close quarters through gas gathering ring, thereby reduces flue gas escape raising desulfuration efficiency.Preferably, gas gathering ring is to be spliced into the ridge shape by two boards, and the tip of ridge refers to that in the tower, root is fixed in Ta Bi, 60 ° of ridge drift angles, the overlay area of this gas gathering ring preferably equal outermost nozzle apart from the tower span from.For the different size spray column, this distance is also different, is generally 400-800mm.Gas gathering ring use material can be carbon steel and adds the anti-resistant materials that wash away such as glass resin flake, alloy, fiberglass.
The technique effect that the utility model can be realized is: flue gas is guided to the tower middle part through gas gathering ring, makes the inswept spray of flue gas compact district, reduces flue gas and escapes, and improves desulfuration efficiency.This gas gathering ring makes that also absorbing slurries flows into stock tank along the tower wall no longer in vain, but drop drenches to the uptake zone again, has made full use of the absorption slurries.In addition, this kind ridge type gas gathering ring has low pressure loss, and is less scaling, advantage easy to clean, but also have the function of reinforcing tower body.
Description of drawings
Followingly illustrate according to preferred embodiment of the present utility model, wherein in conjunction with example with reference to accompanying drawing:
Fig. 1 is the overall structural arrangement schematic diagram that is used for the spray column of flue gas processing.
Fig. 2 is an A portion enlarged diagram among Fig. 1.
Fig. 3 is the schematic three dimensional views that is used for the gas gathering ring structure shown in Figure 2 of spray column.
Fig. 4 is a kind of deformation program attached to the cross sectional shape of the gas gathering ring on the spray column sidewall.
Fig. 5 is the another kind of deformation program attached to the cross sectional shape of the gas gathering ring on the spray column sidewall.
Fig. 6 is another deformation program attached to the cross sectional shape of the gas gathering ring on the spray column sidewall.
Fig. 7 is another deformation program attached to the cross sectional shape of the gas gathering ring on the spray column sidewall.
Fig. 8 is another deformation program attached to the cross sectional shape of the gas gathering ring on the spray column sidewall.
Fig. 9 is another deformation program attached to the cross sectional shape of the gas gathering ring on the spray column sidewall.
Figure 10 is another deformation program attached to the cross sectional shape of the gas gathering ring on the spray column sidewall.
Figure 11 is another deformation program attached to the cross sectional shape of the gas gathering ring on the spray column sidewall.
The corresponding relation of the parts that Reference numeral and its referred among the figure is:
Among the figure: 1, spray column inlet, 2, the slurries pond, 3, the spray column outlet, 4, ground floor gas gathering ring, 41, gas gathering ring upper plate (being also referred to as second plate), 42, gas gathering ring lower plate (being also referred to as first plate), 5, second layer gas gathering ring, 6, the 3rd strata compression ring, the 7, the 4th strata compression ring, 8, the ground floor spraying layer, 9, second layer spraying layer, 10, the 3rd layer of spraying layer, 11, the 4th layers of spraying layer, 12, the demister layer.
The specific embodiment
In conjunction with the embodiments the utility model is described in detail below.
The ruuning situation of the spray column that adopts preferred embodiment of the present utility model at first is described in conjunction with Fig. 1.Be in operation, flue gas enters spray column by spray column inlet 1, upwards climbs and passes through ground floor gas gathering ring 4 successively, ground floor spraying layer 8, second layer gas gathering ring 5,6, the three layers of spraying layer 10 of second layer spraying layer 9, the three strata compression rings, the 4th strata compression ring 7, the 4th layer of spraying layer 11, demister layer 12 flows out from spray column outlet 3.One of ordinary skill in the art will appreciate that, can change arbitrarily according to the quantity of different situations spraying layer and corresponding gas gathering ring, have two-layer, three layers or exist more than four layers situation, four layers of spraying layers layout are just arranged here for example.As previously mentioned, general conventional spray column is because the few and less scaling characteristics of its tower inner member become main flow tower in the wet desulphurization technology, but it has its technical disadvantages again.The liquid film coverage rate at spray column middle part is very high, the multilayer liquid film replaces mutually, flue gas is difficult to escape, slurries washing flue gas is very capable, the liquid film that the restriction of tower wall overlaps with it never again exists yet this of close tower wall encloses liquid film, and formation sprays dilute-phase zone in this liquid film zone, and this regional internal resistance is little, flue gas is easier to from escape here, thereby has reduced desulfuration efficiency.In order to solve such problem, the technical scheme of preferred embodiment of the present utility model is below ground floor spraying layer 8, second layer spraying layer 9, the 3rd layer of spraying layer 10, the 4th layer of spraying layer 11 ground floor gas gathering ring 4, second layer gas gathering ring 5, the 3rd strata compression ring 6, the 4th strata compression ring 7 to be set respectively, purpose is to cover the spray dilute-phase zone, the water conservancy diversion flue gas is to spraying emulsion zone, velocity field distributes in the tower thereby improve, reduce flue gas and escape, improve desulfuration efficiency.
Particularly, describe the structure of ground floor gas gathering ring 4 for example with reference to Fig. 2 and 3, the gas gathering ring structure of other each layers is identical therewith, and therefore the descriptions thereof are omitted.As shown in Figure 2, gas gathering ring 4 preferably is spliced into ridge by upper plate 41 and lower plate 42, and angle is 60 ° between preferred two plates, and the ridge point points in the tower, and root is fixed in Ta Bi, makes the ring-type (see figure 3) round tower wall inboard in tower.The ridge point of this ridge structure intersection point of two plates (promptly up and down) to the distance of tower wall preferably equal spraying layer outmost turns nozzle to the tower span from, also different for this distance of spray column of different size, generally between 400-800mm.The gas gathering ring material can use carbon steel to add the anti-resistant materials that wash away such as glass resin flake, alloy, fiberglass.When gas gathering ring was applied to the less spray column of size, gas gathering ring can add glass resin flake with carbon steel to be made, and at this moment because the gas gathering ring size is less, can be directly welded on the tower wall.When gas gathering ring was applied to larger-size spray column, the gas gathering ring size was also bigger, conduct oneself with dignity and the shock loading of bearing also bigger, will consider in gas gathering ring, to install and reinforce and supporting member, such as reinforcement or deep floor are installed on upper plate 41 and/or lower plate 42.In this preferred embodiment, the upper plate 41 of gas gathering ring all becomes 120 with the tower wall with lower plate 42
0The angle, as shown in Figure 2, flue gas is behind water conservancy diversion, and the pressure loss is also little, and this also just is applicable to the transformation that promotes old tower performance very much.Further preferably, upper plate 41 and/or lower plate 42 can become rounding off with the tower wall or from tower wall protrusion in the arc-shaped, so just produce the various deformation scheme shown in Fig. 4-11.In the embodiment of Fig. 4, the cross sectional shape of upper plate 41 is the circular arc that raises up, and the cross sectional shape of lower plate 42 is the linear that is inclined upwardly and extends.In the embodiment of Fig. 5, the cross sectional shape of upper plate 41 is the circular arc that raises up, and lower plate 42 becomes rounding off with the tower wall.In the embodiment of Fig. 6, the cross sectional shape of upper plate 41 is the linear of downward-sloping extension, and lower plate 42 becomes rounding off with the tower wall.In the embodiment of Fig. 7, upper plate 41 becomes rounding off with the tower wall, and the cross sectional shape of lower plate 42 is the linear that is inclined upwardly and extends.In the embodiment of Fig. 8, the cross sectional shape of upper plate 41 is the linear of downward-sloping extension, and the cross sectional shape of lower plate 42 is the circular arc to lower convexity.In the embodiment of Fig. 9, the cross sectional shape of upper plate 41 is the circular arc that raises up, and the cross sectional shape of lower plate 42 is the circular arc to lower convexity.In the embodiment of Figure 10, upper plate 41 becomes rounding off with the tower wall, and lower plate 42 becomes rounding off with the tower wall.In the embodiment of Figure 11, upper plate 41 becomes rounding off with the tower wall, and the cross sectional shape of lower plate 42 is the circular arc to lower convexity.
In each above preferred embodiment, gas gathering ring not only has the function by lower plate 42 water conservancy diversion flue gases, also has the effect that makes full use of slurries by upper plate 41.In the conventional spray column of this gas gathering ring was not set, a large amount of slurries caused these slurries not to be fully utilized along flowing to the slurries pond under the tower wall.After spray column installed gas gathering ring of the present utility model additional, the gas gathering ring upper plate 41 feasible slurries that flow down along tower wall drop again drenched in the spray column, and this part slurries is contacted with flue gas again, accomplish to make full use of the circulating pump acting, have played energy-conserving action.This gas gathering ring does not have the dead angle to exist, and slurry stream also just is difficult for generation through the back scale formation.
What need that those of ordinary skills keep a close eye on is, although what describe in the foregoing description all is the gas gathering ring that possesses upper plate 41 and lower plate 42 simultaneously, but in fact flue gas is amassed wealth by heavy taxation to the spray compact district in order to realize, the utility model purpose of flue gas in the diversion tower provides the gas gathering ring that only has lower plate 42 just enough.The setting of upper plate 41 is just in order to realize the other attached purpose of water conservancy diversion slurries, so upper plate 41 is not the essential features that solves the utility model technical problem.
Although above described the preferred embodiment of spray column of the present utility model and gas gathering ring thereof in conjunction with the accompanying drawings, it should be understood by one skilled in the art that the utility model is not limited to the particular content of above preferred embodiment.In addition, certain functions of components of the utility model device can be realized by two or more parts, and vice versa.Generally speaking, those of ordinary skills can make various modification and improvement under the situation of the utility model scope that does not exceed the qualification of accompanying Claim book.
Claims (21)
1. gas gathering ring that is used for the spray column that flue gas handles is characterized in that this gas gathering ring comprises:
First plate, described first plate is connected on the sidewall of described spray column at the one end, and described first plate extends upward towards the centroclinal of spray column from the sidewall of described spray column.
2. gas gathering ring according to claim 1 is characterized in that: the junction of the sidewall of described first plate and described spray column is a rounding off.
3. gas gathering ring according to claim 1 is characterized in that: the cross sectional shape of described first plate is the circular arc to lower convexity.
4. gas gathering ring according to claim 1 is characterized in that: described first plate is straight and has angle with the sidewall of described spray column.
5. gas gathering ring according to claim 4 is characterized in that: described angle is 120 °.
6. gas gathering ring according to claim 1 is characterized in that: described first plate directly is welded on the sidewall of described spray column.
7. gas gathering ring according to claim 1 is characterized in that: described first plate removably is fixed on the sidewall of described spray column by fastener.
8. gas gathering ring according to claim 1 is characterized in that: described first plate is provided with reinforcement or deep floor.
9. gas gathering ring according to claim 1 is characterized in that: this gas gathering ring also comprises:
Second plate, described second plate is being connected on the sidewall of described spray column above described first plate, and the centroclinal downward extension of described second plate from the sidewall of described spray column towards spray column.
10. gas gathering ring according to claim 9 is characterized in that: the junction of the sidewall of described second plate and described spray column is a rounding off.
11. gas gathering ring according to claim 9 is characterized in that: the cross sectional shape of described second plate is the circular arc that raises up.
12. gas gathering ring according to claim 9 is characterized in that: described second plate is straight and has angle with the sidewall of described spray column.
13. gas gathering ring according to claim 12 is characterized in that: described angle is 120 °.
14. gas gathering ring according to claim 9 is characterized in that: described second plate directly is welded on the sidewall of described spray column.
15. gas gathering ring according to claim 9 is characterized in that: described second plate removably is fixed on the sidewall of described spray column by fastener.
16. gas gathering ring according to claim 9 is characterized in that: described second plate is provided with reinforcement or deep floor.
17. gas gathering ring according to claim 9 is characterized in that: described first plate and described second plate intersect.
18. gas gathering ring according to claim 17 is characterized in that: the angle of intersection of described first plate and described second plate is 60 °.
19. gas gathering ring according to claim 17 is characterized in that: the joining of described first plate and described second plate to the distance of the sidewall of described spray column equals the distance of the spraying layer outmost turns nozzle of described spray column to the sidewall of described spray column.
20. gas gathering ring according to claim 17 is characterized in that: the joining of described first plate and described second plate to the distance of the sidewall of described spray column is 400-800mm.
21. one kind is used for the spray column that flue gas is handled, it comprises that at least one is according to each described gas gathering ring among the claim 1-20.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007203092585U CN201208541Y (en) | 2007-12-29 | 2007-12-29 | Spray tower for treating flue gas and gas gathering ring for the same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007203092585U CN201208541Y (en) | 2007-12-29 | 2007-12-29 | Spray tower for treating flue gas and gas gathering ring for the same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201208541Y true CN201208541Y (en) | 2009-03-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007203092585U Expired - Lifetime CN201208541Y (en) | 2007-12-29 | 2007-12-29 | Spray tower for treating flue gas and gas gathering ring for the same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201208541Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106139779A (en) * | 2016-08-23 | 2016-11-23 | 杭州玺清环保科技有限公司 | A kind of absorption tower of New Ring-like Type redistribution air deflector |
| CN112717646A (en) * | 2020-12-21 | 2021-04-30 | 西南大学 | Flue gas desulfurization and denitrification system and application method thereof |
| CN114042372A (en) * | 2020-12-25 | 2022-02-15 | 山东天智信息科技有限公司 | Environment-friendly industrial metal smelting exhaust treatment device |
-
2007
- 2007-12-29 CN CNU2007203092585U patent/CN201208541Y/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106139779A (en) * | 2016-08-23 | 2016-11-23 | 杭州玺清环保科技有限公司 | A kind of absorption tower of New Ring-like Type redistribution air deflector |
| CN112717646A (en) * | 2020-12-21 | 2021-04-30 | 西南大学 | Flue gas desulfurization and denitrification system and application method thereof |
| CN114042372A (en) * | 2020-12-25 | 2022-02-15 | 山东天智信息科技有限公司 | Environment-friendly industrial metal smelting exhaust treatment device |
| CN114042372B (en) * | 2020-12-25 | 2023-09-01 | 江西兴南环保科技有限公司 | Environment-friendly industrial metal smelting waste gas treatment device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20090318 |