CN205308127U - Gas -liquid coupling distributor and desulfurization spray column - Google Patents
Gas -liquid coupling distributor and desulfurization spray column Download PDFInfo
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- CN205308127U CN205308127U CN201521128635.6U CN201521128635U CN205308127U CN 205308127 U CN205308127 U CN 205308127U CN 201521128635 U CN201521128635 U CN 201521128635U CN 205308127 U CN205308127 U CN 205308127U
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Abstract
The utility model relates to an environmental protection technology field specifically, relates to a gas -liquid coupling distributor and including the desulfurization spray column of this gas -liquid coupling distributor. Gas -liquid coupling distributor includes a plurality of horizontal rectification tube sheets and a plurality of vertical rectification tube sheet, wherein, a plurality of horizontal rectification tube sheets with a plurality of vertical rectification tube sheets lie in the coplanar, and crossing each other, form the planar net trellis. The utility model discloses a but cigarette air flow field in the gas -liquid coupling distributor reasonable adjustment desulfurization spray column makes the flue gas velocity who locates through the defroster cross -section more even, fully improves the separation efficiency of defroster, finally reduces the unit energy consumption, reduces the dust content of fume emission, effectively solves the jam of desulfurization spray column defroster, heat exchanger or the gypsum scale deposit of flue surface, gypsum rain scheduling problem.
Description
Technical field
This utility model relates to environmental technology field, in particular it relates to a kind of gas-liquid couples allotter and includes the desulfuration spray tower of this gas-liquid coupling allotter.
Background technology
In wet method fume desulfurizing system, flue gas is in desulfurizing tower, after spraying layer and absorbent slurry are fully contacted, and the SO in flue gas2Being absorbed by serosity and remove, fraction slurries is under the effect of air-flow simultaneously, flows up with flue gas with the form of droplet, and after demister removes, clean flue gas is discharged by spray column outlet.
After flue gas is entered spray column by spray column entrance, its velocity flow profile is extremely uneven, and the local flue gas that flow velocity is higher will carry a large amount of drop, and too high flue gas flow rate also can make demister demisting efficiency reduce; The droplet effectively not removed by demister, can discharge through spray column outlet with flue gas, and heat exchanger or flue surfaces after spray column form Gypsum Fibrosum dirt, descend slowly and lightly at periphery, formed " gypsum rain " after even being discharged by chimney breast.
Utility model content
The purpose of this utility model is to overcome demisting efficiency that in existing desulfuration spray tower such as wet flue gas desulfurization tower, flue gas flow rate skewness causes low and gyrpseous scale and/or the problem of " gypsum rain " phenomenon easily occur, provide a kind of gas-liquid coupling allotter and include the desulfuration spray tower of this gas-liquid coupling allotter, this gas-liquid coupling allotter can flue gas flow field in Reasonable adjustment desulfuration spray tower, make the flue gas flow rate by demister section more uniform, fully improve the demisting efficiency of demister, finally reduce units consumption, reduce the dust content of fume emission, effectively solve the blocking of desulfuration spray tower demister, heat exchanger or flue surfaces gyrpseous scale, the problems such as gypsum rain.
To achieve these goals, this utility model provides a kind of gas-liquid coupling allotter, this gas-liquid coupling allotter includes multiple horizontal rectification tube sheet and multiple longitudinal rectification tube sheet, wherein, the plurality of horizontal rectification tube sheet is in the same plane with the plurality of longitudinal rectification tube sheet, and mutually intersect, form plane net trellis.
Preferably, the horizontal range between the rectification tube sheet that rectification tube sheet in the same direction is parallel uniform and adjacent is 500-1000mm.
Preferably, multiple horizontal rectification tube sheets intersect in orthogonal mode with the plurality of longitudinal rectification tube sheet.
Preferably, described rectification tube sheet is opened up to straight, connects with the inwall of place equipment.
Preferably, the cross section of described rectification tube sheet is in the fusiformis erect and/or inverted water-drop-shaped.
Preferably, described rectification tube sheet includes 1 identical pipe of length and 4 blocks of straight plates, and wherein 2 blocks of straight plates overlap in the direction of the width, put on pipe, the cross section constituted with the combination of pipe surface is nearly triangle, the straight plate overlap joint of two other block, puts under pipe, cross section after combining with pipe surface is also nearly triangle, thus the cross section of this rectification tube sheet is formed as the fusiformis erect.
Preferably, the cross section of described rectification tube sheet includes 1 identical pipe of length and 2 blocks of straight plates, these 2 pieces of straight plate overlap joints, puts under pipe, the cross section of the tube sheet assembly after combining with pipe surface is nearly triangle, thus the cross section of this rectification tube sheet is formed as inverted water-drop-shaped.
Preferably, the angle number of degrees of the wedge angle of the fusiformis of described setting or inverted water-drop-shaped are 20 °～80 °.
This utility model additionally provides a kind of desulfuration spray tower, this desulfuration spray tower includes superposed demister and is positioned at the spraying layer of bottom, it is characterized in that, between described demister with residing spraying layer, be horizontally disposed with above-mentioned gas-liquid of the present utility model couple allotter.
Preferably, with the distance of the bottom of described demister and the top of residing spraying layer for h, described gas-liquid coupling allotter is arranged at the At The Height of distance demister bottom 0.1-0.5h.
This utility model by installing specific gas-liquid coupling allotter before demister, the flow velocity in desulfuration spray tower is made to tend to uniform, the serosity total amount carried in the flue gas flowed up reduces, and this makes the serosity amount that flue gas enters mist separator of desulfurization reduce, and the load of demister can be greatly reduced; Meanwhile, uniform flue gas flow rate, also make the demisting efficiency of demister significantly promote, thus, the amount of solid that the blocking probability of demister and demister outlet are carried is substantially reduced, and can substantially alleviate the generation of " gypsum rain " phenomenon of wet desulphurization.
Other features and advantages of the utility model will be described in detail in detailed description of the invention part subsequently.
Accompanying drawing explanation
Accompanying drawing is used to offer and is further appreciated by of the present utility model, and constitutes a part for description, is used for explaining this utility model, but is not intended that restriction of the present utility model together with detailed description below. In the accompanying drawings:
Fig. 1 is the internal structure schematic diagram of the desulfuration spray tower according to a kind of detailed description of the invention of this utility model.
Fig. 2 is the arrangement schematic top plan view of the gas-liquid coupling allotter according to a kind of detailed description of the invention of this utility model.
Fig. 3 (a) is rectification tube sheet cross section shown in the M-M of Fig. 2 middle section is the schematic diagram during fusiformis erect.
Fig. 3 (b) is that shown in the M-M of Fig. 2 middle section, rectification tube sheet cross section is schematic diagram during inverted water-drop-shaped.
Description of reference numerals
A-tower body B-smoke inlet C-exhanst gas outlet D-circulating pump
E-demister F-gas-liquid coupling allotter G-spraying layer H-slurry pool
F11～F15-transverse direction rectification tube sheet F21～F25-longitudinal direction rectification tube sheet
Detailed description of the invention
Hereinafter detailed description of the invention of the present utility model is described in detail. It should be appreciated that detailed description of the invention described herein is merely to illustrate and explains this utility model, it is not limited to this utility model.
In this utility model, when not making contrary explanation, the noun of locality of use typically refers to reference to shown in the drawings upper and lower such as " upper and lower ", and the connection term of use typically refers to reference to annexation shown in the drawings.
This utility model provides a kind of gas-liquid coupling allotter, this gas-liquid coupling allotter includes multiple horizontal rectification tube sheet and multiple longitudinal rectification tube sheet, and wherein, the plurality of horizontal rectification tube sheet is in the same plane with the plurality of longitudinal rectification tube sheet, and mutually intersect, form plane net trellis.
Fig. 2 is the schematic top plan view of the arrangement mode of the gas-liquid coupling allotter according to a kind of detailed description of the invention of this utility model, and wherein F11～F15 is horizontal rectification tube sheet, and F21～F25 is longitudinal rectification tube sheet. In Fig. 2, the quantity of rectification tube sheet is only signal, there is no particular limitation for the quantity of rectification tube sheet of gas-liquid of the present utility model coupling allotter, it is possible to selects according to factors such as the distance between the width of rectification tube sheet, rectification tube sheet, the size of place equipment and throughputs.
Gas-liquid of the present utility model coupling allotter is for being distributed air-flow uniformly, and therefore described gas-liquid coupling allotter is preferably the plane net trellis being evenly distributed. Preferably, the horizontal range between the rectification tube sheet that rectification tube sheet in the same direction is parallel uniform and adjacent is 500-1000mm, more preferably 600-800mm. It is further preferred that the spacing of horizontal rectification tube sheet is equal with the spacing of longitudinal rectification tube sheet. Described spacing refers to the minimum range between the outer wall of adjacent rectification tube sheet.
In this utility model, there is no particular limitation for the mode that multiple horizontal rectification tube sheets intersect mutually with the plurality of longitudinal rectification tube sheet, (grid hole of formation is for square) can be intersected in orthogonal mode, (grid hole of formation is parallelogram) can also be intersected at an angle, it is preferable that intersect in orthogonal mode.
In this utility model, described rectification tube sheet is opened up to straight, connects with the inwall of place equipment. In this utility model, it is a straight straight tube that term " exhibition is to straight " refers to described rectifier tube, along a straight extension in direction.
In this utility model, the cross section of described rectification tube sheet is preferably in the fusiformis erect and/or inverted water-drop-shaped. when the cross section of described rectification tube sheet is in the fusiformis erect, there is no particular limitation for the internal structure of this rectification tube sheet, it can be the hollow long tube that cross section is fusiformis, additionally consider from the convenient angle produced, this rectification tube sheet can also include 1 identical pipe of length and 4 blocks of straight plates, wherein 2 blocks of straight plates overlap in the direction of the width, it is placed on pipe, it is nearly triangle with the cross section of the tube sheet assembly of pipe surface combination composition, the straight plate overlap joint of two other block, it is placed under pipe, the cross section of the tube sheet assembly after combining with pipe surface is also nearly triangle, thus the cross section of the rectification tube sheet of this 1 pipe and 4 pieces of straight plate formation is the fusiformis erect, such as shown in Fig. 3 (a). when the cross section of described rectification tube sheet is inverted water-drop-shaped, there is no particular limitation for the internal structure of this rectification tube sheet, it can be the hollow long tube that cross section is water-drop-shaped, additionally consider from the convenient angle produced, this rectification tube sheet can also include 1 identical pipe of length and 2 blocks of straight plates, wherein 2 pieces of straight plate overlap joints, it is placed under pipe, the cross section of the tube sheet assembly after combining with pipe surface is nearly triangle, thus the cross section of the rectification tube sheet of this 1 pipe and 2 pieces of straight plate formation is inverted water-drop-shaped, for instance as shown in Fig. 3 (b).
In this utility model, the wedge angle in the fusiformis of described setting and/or inverted water-drop-shaped is for guiding air-flow, and there is no particular limitation for the angle number of degrees of this wedge angle, for instance can be 20 °～80 °.
In this utility model, there is no particular limitation for the size of the cross section of described rectification tube sheet, it is possible to selects according to factors such as the spacing between rectification tube sheet, instrument size and throughputs. Such as, as shown in Fig. 3 (a), the cross section of described rectification tube sheet Breadth Maximum d (diameter when being pipe when forming by pipe and straight plate) in the horizontal direction can be 10-100mm.
In this utility model, described fusiformis includes all of approximate fusiformis broad in the middle small in ends, and described water-drop-shaped includes the approximate water-drop-shaped that little one end, all of one end is big.
This utility model additionally provides a kind of desulfuration spray tower, as shown in Figure 1, this desulfuration spray tower includes superposed demister E and is positioned at the spraying layer G of bottom, it is characterized in that, between described demister E with residing spraying layer G, be horizontally disposed with above-mentioned gas-liquid of the present utility model couple allotter F.
In this utility model, with the distance of the bottom of described demister E and the top of residing spraying layer G for h, described gas-liquid coupling allotter F is arranged at the At The Height of distance demister E bottom 0.1-0.5h.
In this utility model, described gas-liquid coupling allotter F is arranged on a horizontal plane between described demister E and residing spraying layer G, and described gas-liquid coupling allotter F connects with the inwall of desulfuration spray tower.
A kind of specific embodiment according to desulfuration spray tower of the present utility model, as it is shown in figure 1, wherein gas-liquid coupling allotter F as in figure 2 it is shown, this gas-liquid coupling allotter F in rectification tube sheet cross section as shown in Figure 3. Pending flue gas enters in tower body A and bottom-up flowing through smoke inlet B, absorption liquid pumps into spraying layer G by circulating pump D and flue gas is sprayed, the absorption liquid sprayed out falls in slurry pool H and stores, but partially absorb liquid under the effect of air-flow simultaneously, flow up with flue gas with the form of droplet, and now flue gas flow rate distribution is very uneven. The centre of demister E with spraying layer G is provided with gas-liquid and couples allotter F, this gas-liquid coupling allotter F includes multiple being parallel to each other and longitudinal rectification tube sheet F21～F25 that horizontal rectification tube sheet F11～F15 is parallel to each other and spacing is identical that spacing is identical with multiple, and wherein the cross section of rectification tube sheet is the inverted water-drop-shaped shown in the fusiformis of the setting shown in Fig. 3 (a) and/or Fig. 3 (b). The flue gas that velocity flow profile is uneven after spraying layer enters after the gas-liquid of uniform grid shape couples allotter F after removing mist in demister E and discharges from exhanst gas outlet C. Owing to flue gas flue gas flow rate after gas-liquid coupling allotter F is comparatively uniform, flow velocity variance can reach≤± 5%, the droplet carried in flue gas also substantially reduces, and the amount absorbing liquid carried hence into the flue gas of mist separator of desulfurization reduces, and the load of demister can be greatly reduced; Simultaneously, uniform flue gas flow rate, also the demisting efficiency making demister significantly promotes, thus, the amount of solid that the blocking probability of demister and demister outlet are carried is substantially reduced, can substantially alleviate the generation of " gypsum rain " phenomenon of wet desulphurization, effectively solve heat exchanger or flue surfaces gyrpseous scale problem, reduce the solid dust pollutant load in fume emission process further.
The following examples will assist in explanation this utility model, but does not limit to its scope.
Embodiment 1
Use desulfuration spray tower as shown in Figure 1, the center position of the demister E and spraying layer G of this desulfuration spray tower is provided with gas-liquid and couples allotter F, this gas-liquid coupling allotter F include 5 be parallel to each other and spacing is the horizontal rectification tube sheet F11～F15 of 700mm and 5 be parallel to each other and spacing is longitudinal rectification tube sheet F21～F25 of 700mm, wherein the cross section of rectification tube sheet is the fusiformis of the setting shown in Fig. 3 (a), the d of this fusiformis is 80mm, h is 160mm.
Sulfur-containing smoke gas enters in tower body A and bottom-up flowing through smoke inlet B, absorption liquid pumps into spraying layer G by circulating pump D and flue gas is sprayed, the absorption liquid sprayed out falls in slurry pool H and stores, but partially absorb liquid under the effect of air-flow simultaneously, flow up with flue gas with the form of droplet, and now flue gas flow rate distribution is very uneven. The flue gas that velocity flow profile is uneven after spraying layer enters after the gas-liquid of uniform grid shape couples allotter F after removing mist in demister E and discharges from exhanst gas outlet C.
It is comparatively uniform that flue gas couples flue gas flow rate after allotter F through gas-liquid, flow velocity variance is about 5%, the droplet carried in flue gas decreases about 60%, therefore the load of demister alleviates significantly, demisting efficiency significantly promotes, not observing the blocking of obvious demister, heat exchanger or flue surfaces gyrpseous scale and " gypsum rain " phenomenon, the solid dust pollutant load in fume emission process decreases about 40%.
Preferred implementation of the present utility model described in detail above; but; this utility model is not limited to the detail in above-mentioned embodiment; in technology concept of the present utility model; the technical solution of the utility model can being carried out multiple simple variant, these simple variant belong to protection domain of the present utility model. It is further to note that, each concrete technical characteristic described in above-mentioned detailed description of the invention, in reconcilable situation, it is possible to be combined by any suitable mode, in order to avoid unnecessary repetition, various possible compound modes are no longer illustrated by this utility model separately. Additionally, can also carry out combination in any between various different embodiment of the present utility model, as long as it is without prejudice to thought of the present utility model, it should be considered as content disclosed in the utility model equally.
Claims (10)
1. a gas-liquid coupling allotter, it is characterised in that this gas-liquid coupling allotter includes multiple horizontal rectification tube sheet and multiple longitudinal rectification tube sheet, wherein, the plurality of horizontal rectification tube sheet is in the same plane with the plurality of longitudinal rectification tube sheet, and mutually intersects, and forms plane net trellis.
2. gas-liquid according to claim 1 coupling allotter, it is characterised in that the horizontal range between the rectification tube sheet that rectification tube sheet in the same direction is parallel uniform and adjacent is 500-1000mm.
3. gas-liquid according to claim 1 and 2 coupling allotter, it is characterised in that multiple horizontal rectification tube sheets intersect in orthogonal mode with the plurality of longitudinal rectification tube sheet.
4. gas-liquid according to claim 1 coupling allotter, it is characterised in that described rectification tube sheet is opened up to straight, connects with the inwall of place equipment.
5. gas-liquid according to claim 1 coupling allotter, it is characterised in that the cross section of described rectification tube sheet is in the fusiformis erect and/or inverted water-drop-shaped.
6. gas-liquid couples allotter according to claim 1 or 5, it is characterized in that, described rectification tube sheet includes 1 identical pipe of length and 4 blocks of straight plates, and wherein 2 blocks of straight plates overlap in the direction of the width, are placed on pipe, the cross section constituted with the combination of pipe surface is nearly triangle, the straight plate overlap joint of two other block, being placed under pipe, the cross section after combining with pipe surface is also nearly triangle, thus the cross section of this rectification tube sheet is formed as the fusiformis erect.
7. gas-liquid couples allotter according to claim 1 or 5, it is characterized in that, the cross section of described rectification tube sheet includes 1 identical pipe of length and 2 blocks of straight plates, these 2 pieces of straight plate overlap joints, it is placed under pipe, the cross section of the tube sheet assembly after combining with pipe surface is nearly triangle, thus the cross section of this rectification tube sheet is formed as inverted water-drop-shaped.
8. gas-liquid according to claim 5 coupling allotter, it is characterised in that the angle number of degrees of the fusiformis of described setting or the wedge angle of inverted water-drop-shaped are 20 °～80 °.
9. a desulfuration spray tower, this desulfuration spray tower includes superposed demister and is positioned at the spraying layer of bottom, it is characterized in that, the gas-liquid being horizontally disposed with in the requirement 1-8 that has the right between described demister with residing spraying layer described in any one couples allotter.
10. desulfuration spray tower according to claim 9, it is characterised in that with the distance of the bottom of described demister and the top of residing spraying layer for h, described gas-liquid coupling allotter is arranged at the At The Height of distance demister bottom 0.1-0.5h.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521128635.6U CN205308127U (en) | 2015-12-29 | 2015-12-29 | Gas -liquid coupling distributor and desulfurization spray column |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521128635.6U CN205308127U (en) | 2015-12-29 | 2015-12-29 | Gas -liquid coupling distributor and desulfurization spray column |
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| CN205308127U true CN205308127U (en) | 2016-06-15 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109364589A (en) * | 2018-12-20 | 2019-02-22 | 哈尔滨锅炉厂环保工程技术有限公司 | A kind of self-adapting type high-effective dust-removing demister |
| CN114788995A (en) * | 2022-04-28 | 2022-07-26 | 中国华电科工集团有限公司 | Low-resistance energy-saving slurry spraying system for wet desulphurization and desulfurizing tower |
| CN114797409A (en) * | 2022-04-28 | 2022-07-29 | 中国华电科工集团有限公司 | Slurry spraying system for wet desulphurization and integrative tower of wet desulphurization and chimney |
| CN114849436A (en) * | 2022-04-28 | 2022-08-05 | 中国华电科工集团有限公司 | Low-resistance energy-saving wet desulphurization slurry spraying system and desulphurization, dehumidification and integration tower |
-
2015
- 2015-12-29 CN CN201521128635.6U patent/CN205308127U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109364589A (en) * | 2018-12-20 | 2019-02-22 | 哈尔滨锅炉厂环保工程技术有限公司 | A kind of self-adapting type high-effective dust-removing demister |
| CN114788995A (en) * | 2022-04-28 | 2022-07-26 | 中国华电科工集团有限公司 | Low-resistance energy-saving slurry spraying system for wet desulphurization and desulfurizing tower |
| CN114797409A (en) * | 2022-04-28 | 2022-07-29 | 中国华电科工集团有限公司 | Slurry spraying system for wet desulphurization and integrative tower of wet desulphurization and chimney |
| CN114849436A (en) * | 2022-04-28 | 2022-08-05 | 中国华电科工集团有限公司 | Low-resistance energy-saving wet desulphurization slurry spraying system and desulphurization, dehumidification and integration tower |
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