CN203935713U - A kind of demister blade and demister - Google Patents
A kind of demister blade and demister Download PDFInfo
- Publication number
- CN203935713U CN203935713U CN201420405885.9U CN201420405885U CN203935713U CN 203935713 U CN203935713 U CN 203935713U CN 201420405885 U CN201420405885 U CN 201420405885U CN 203935713 U CN203935713 U CN 203935713U
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- China
- Prior art keywords
- demister
- folding part
- blade
- intake chute
- demister blade
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Abstract
The utility model relates to a kind of demister blade and corresponding demister, described demister is the umbrella that middle high rim is low, comprise blade, collecting tank and support, described demister blade body is Free vibration, an one side is vertically fixed on the support that is positioned at umbrella center, an other side is uniformly distributed with divergent shape to surrounding, between two described demister blades, forms runner; On described blade, be provided with intake chute, described collecting tank is arranged on the lower end of described demister blade, is connected with described intake chute.The demister blade that the utility model provides, by increasing intake chute, makes demister can collect the drop on demister blade, has also improved the air-flow in runner simultaneously, makes demister increase demist efficiency; And the low umbrella of high rim in the middle of the demister in the utility model forms, makes the liquid in intake chute just can enter fast collecting tank under the effect of self gravitation, improved the efficiency that liquid is discharged.
Description
Technical field
The utility model relates to demister blade and the demister in the Wet FGD, particularly desulfurizer of the process industrials such as metallurgy, power plant, chemical industry.
Background technology
Desulfurizing tower is the nucleus equipment of wet fuel gas desulfurizing technology, and demister is its key component, and its effect is by the drop separation of carrying in flue gas after desulfurization out.The performance of demister directly affects wet desulfurization system reliably operation efficiently continuously.Existing demister can be divided into that gravity settling separation, cyclonic separation, baffling are separated, silk screen is separated, filler is separated, ultra-filtration and separation etc. is several.The flue gas that the drop under but above demister removes may be risen in the process falling is entrained, again enters demister, causes demister demist Efficiency Decreasing.Research in the past, improves mainly for the shape of demister blade and runner, and ignored, removes drop likely by flue gas, carried the problem that again enters into demister in dropping process.
Utility model content
In view of this, the purpose of this utility model is to provide a kind of demister blade and demister, to solve the technical problem existing in prior art.
According to an aspect of the present utility model, a kind of demister blade is provided, described demister blade body is Free vibration, comprises upper end, upper folding part, lower folding part and bottom, between He Shang folding part, described upper end, shape is at a certain angle; Between He Xia folding part, described upper folding part, shape is at a certain angle; Between described lower folding part and bottom, shape is at a certain angle, and described upper end and bottom are in the same plane, on described demister blade, is provided with intake chute.
Preferably, described intake chute comprises the first intake chute and the second intake chute.
Preferably, Yan Qi place, described lower folding part plane extends upward the backward described upper folding part bearing of trend bending certain distance of certain distance, thereby forms described the first intake chute, and described the first intake chute extends along the junction of He Xia folding part, described upper folding part in the horizontal.
Preferably, described the second intake chute is formed on the lower end of described bottom, and extends along the base of described bottom.
Preferably, described the second intake chute cross section is semicircle annular, and the opening of semicircle annular is towards a side at the place, bottom of demister blade, and opening surface is perpendicular to the plane at place, described bottom.
Preferably, the angle forming between He Shang folding part, described upper end is 120-140 degree; The angle forming between He Xia folding part, described upper folding part is 80-150 degree; The angle forming between described lower folding part and bottom is 120-140 degree.
Preferably, between He Shang folding part, described upper end, between He Xia folding part, described upper folding part, the angle between described lower folding part and bottom forms circular-arc.
According to second aspect of the present utility model, a kind of demister is provided, described demister comprises blade, and described demister is the umbrella that middle high rim is low, also comprises collecting tank and support, and described support is for fixing described demister blade and described collecting tank; A side of described demister blade is vertically fixed on the support that is positioned at umbrella center, and an other side is uniformly distributed with divergent shape to surrounding, and is fixed on described support, between two described demister blades, forms runner; Described collecting tank is arranged on the lower end of described demister blade.
Preferably, compare Di one end, position that is arranged on the second intake chute on described demister blade of one week of described collecting tank hoop.
Preferably, described blade is provided with multilayer.
The demister blade that the utility model provides, by demister blade in prior art is increased to intake chute, not only make demister can collect the drop on demister blade, import house steward, the drop of collecting on demister blade can not fallen, and the entrained runner that again enters of the flue gas being risen, also improved the air-flow in runner simultaneously, make demister increase demist efficiency; And, the low umbrella of high rim in the middle of demister in the utility model forms, make the liquid in intake chute just can enter fast collecting tank under the effect of self gravitation, the efficiency demister of the present utility model that has improved liquid discharge can be applicable in mass transfer column equipment, and the whole demist efficiency of equipment is had to larger lifting.
Accompanying drawing explanation
By the description to the utility model embodiment referring to accompanying drawing, above-mentioned and other objects of the present utility model, feature and advantage will be more clear, in the accompanying drawings:
Fig. 1 is the end view drawing (for clearer, two blades are only shown, rest blade saves) of demister blade;
Fig. 2 is demister overall structure schematic diagram of the present utility model (saving partial blade);
Fig. 3 is the A portion enlarged drawing of Fig. 2;
Fig. 4 is the installation site schematic diagram of demister blade and collecting tank.
The specific embodiment
Hereinafter with reference to accompanying drawing, various embodiment of the present utility model is described in more detail.In each accompanying drawing, identical element adopts same or similar Reference numeral to represent.For the sake of clarity, the various piece in accompanying drawing is not drawn in proportion.
As shown in Figure 2, the utility model demister is the umbrella that middle high rim is low, comprises demister blade 1, collecting tank 2 and support (not shown).Described collecting tank 2 is positioned at the lower end of described demister blade 1, and for collecting the liquid flowing down on demister blade 1, described support is for fixing described demister blade 1 and collecting tank 2.
As Figure 1 and Figure 4, described demister blade 1 main body is Free vibration, and preferably, its two acute angles interior angle is 75 degree left and right, comprises upper end 13, upper folding part 14,15He bottom, lower folding part 16.14He Xia folding part, described upper folding part 15, between 13He bottom, described upper end 16, and is connected with 13He bottom, described upper end 16 respectively.Between 13He Shang folding part 14, described upper end, shape is at a certain angle, is preferably 135 degree left and right; Between 14He Xia folding part 15, described upper folding part, shape is at a certain angle, is preferably 90 degree left and right; Between 15He bottom 16, described lower folding part, shape is at a certain angle, is preferably 135 degree left and right.Preferably, 13He bottom 16, described upper end is in the same plane.Each knee all forms circular-arc, to reduce the resistance of 3 pairs of flue gases of flowing through of described runner.After installation, described upper end 13, bottom 16 are in vertical state, a side of described demister blade 1 is vertically fixed on the support that is positioned at umbrella center, an other side is uniformly distributed with divergent shape to surrounding, and be fixed on described support, thereby high in the middle of forming, the umbrella-shaped structure that edge is low.Between two demister blades 1, form runner 3.On described demister blade 1, be provided with the first intake chute 11 and the second intake chute 12.16Yan Qi place, described lower folding part plane extends upward the backward described upper folding part of certain distance 14 bearing of trend bending certain distances, thereby forms described the first intake chute 11.Preferably, this bending part is also made circular-arc, to reduce the resistance to flue gas.Described the first intake chute 11 transversely extends along the junction of 14He Xia folding part, described upper folding part 15.Described the second intake chute 12 is formed on the lower end of described bottom 16, and extends along the base of described bottom 16.In a preferred embodiment, described the second intake chute 12 cross sections are semicircle annular, and the opening of semicircle annular is towards a side at 14 places, bottom of demister blade 1, and opening surface is perpendicular to the plane at 14 places, described bottom.The base of described demister blade 1 is positioned at described the second intake chute 12 centre positions, inner side.Described the first intake chute 11 is used for collecting the liquid on 13He Shang folding part, described upper end 14, and the second intake chute 12 is used for collecting the liquid on 15He bottom, described lower folding part 16.After installation, because demister blade 1 is parallelogram, after the dual-side of demister blade 1 is vertically placed, its base, that is the junction of the base of bottom 16,14He Xia folding part, upper folding part 15 is all high in a side, the state that a side is low, namely be positioned at that middle side of umbrella high, be positioned at that side of umbrella edge low, like this, the liquid of collecting flows to along described the first intake chute 11 and the second intake chute 12 that one end that is positioned at umbrella edge respectively under the effect of gravity.Simultaneously, described the first intake chute 11 and the second intake chute 12 are positioned at runner 3, also played the width that reduces described runner 3, improve flue gas by the effect of the speed of described runner 3, make flue gas when clashing into demister blade, have larger momentum, the drop in flue gas is more easily caught by described demister blade 1, and, at described the first intake chute 11 and the second intake chute 12 tops, all form relatively low pressure district, be more conducive to the collection to the drop in flue gas.
As shown in Figure 3 and Figure 4, described collecting tank 2 for cross section be semicircular half open pipe, the described collecting tank 2 hoop liquid outflow end that is arranged on the second intake chute 12 on described demister blade 1 of a week, and being fixed on described support.Because the liquid outflow end of the first intake chute 11 described in when the installment state and described the second intake chute 12 is in same vertical plane, so be arranged on the described collecting tank 2 of described demister blade 1 bottom, can collect the liquid flowing out in described the first intake chute 11 and the second intake chute 12 simultaneously.
The mode of the form that demister of the present utility model is taked described support and fixing described demister blade 1 and collecting tank 2 does not limit, and can play fixing described demister blade 1 and collecting tank 2, and whole umbrella-shaped structure is played a supportive role.
Because described demister blade 1 is centered by a side, to surrounding, with divergent shape, distribute, gap between two described demister blades 1 can increase with the increase apart from centre distance, so the width of described the first intake chute 11 and the second intake chute 12 suitably increases along the direction of liquid flow, to guarantee that the width of the above runner 3 in longitudinal cross-section is always half left and right of its Breadth Maximum.
The maximum length that makes liquid in described the first intake chute 11 and the second intake chute 12 that overflow not occur is defined as to the limit overflow length of the first intake chute 11 and the second intake chute 12, described demister blade 1 is no more than the limit overflow length of described the first intake chute 11 and the second intake chute 12 along the length that the direction of described the first intake chute 11 or the second intake chute 12 is set, described limit overflow length is determined according to the theoretical demist amount of the droplet content in flue gas and the demister in the utility model.The quantity of described collecting tank 2 is determined according to the quantity of described the first intake chute 11 and the second intake chute 12, first intake chute 11 and the second intake chute 12 corresponding collecting tank 2 of liquid outflow end on a circle, when described the first intake chute 11 and the second intake chute 12 have multi-turn, described collecting tank 2 also has a plurality of accordingly.
Because described a plurality of blades 1 are one end, concentrate, one end disperses the umbrella of placing in addition, and situation about cannot place, due to limited space, can be caused in concentrated one end.In the utility model, the length of described blade 1 is divided into several grades, places the slightly short a plurality of blades 1 of length between the long blade 1 of a plurality of length, and all blades 1 disperse the one end of placing to be positioned on same circle, so that concentrate the one end of placing to be convenient to install.According to the size of described demister, described blade 1 can arrange multilayer.
Specific embodiment:
Radius is the demister of the present utility model of 5250mm, according to demist amount, tentatively determine needing 2, two described collecting tanks 2 of two described collecting tanks to be separately positioned on radius is that 5250mm and radius are described the second intake chute 12 liquid outflow ends on the described demister blade 1 at 3245mm place.
The demister of the present utility model that the circumference that the radius of take is 3245mm is 5250mm as boundary by radius is divided into two regions, be that the circumference place that the center of circle to radius is 3245mm is first region, radius is that 3245mm circumference to radius is that 5250mm circumference place is Two Areas, needs thus to arrange two-layer described blade 1.
The described demister blade 1 of six kinds of different lengths is set in described first region, length and quantity are separately respectively: described in the first, demister blade 1 horizontal length is 3194.3mm, selecting quantity is 10, described in the second, demister blade 1 horizontal length is 3143.5mm, selecting quantity is 10, described in the third, demister blade 1 horizontal length is 3042mm, selecting quantity is 20, the 4th kind of described demister blade 1 horizontal length is 2839.5 mm, selecting quantity is 40, the 5th kind of described demister blade 1 horizontal length is 2434 mm, selecting quantity is 80, the 6th kind of described demister blade 1 horizontal length is 1622.5 mm, selecting quantity is 160.
Above-mentioned six kinds of different described demister blades 1 are arranged in described first area, the inside circumference that radius is 3245mm, and the liquid outflow end of described the second intake chute 12 is all positioned on the circumference that radius is 3245mm, and its side is vertically and be fixed on support.Its erection sequence is: by demister blade 1 described in selected the first, the mutual angle of take is uniformly distributed as 36 degree; By demister blade 1 described in selected the second, take mutual angle between demister blade 1 described in 36 degree are evenly distributed on the first; By selected demister blade 1 described in the third, take mutual angle as 18 degree are evenly distributed between above-mentioned two kinds of described demister blades 1; By the 4th kind of described demister blade 1, take mutual angle as 9 degree are evenly distributed between above-mentioned three kinds of described demister blades 1; By the 5th kind of described demister blade 1, take mutual angle as 4.5 degree are evenly distributed between above-mentioned four kinds of described demister blades 1; By the 6th kind of described demister blade 1, take mutual angle as 2.25 degree are evenly distributed between above-mentioned five kinds of described demister blades 1.A described collecting tank 2 is set on the circumference that is 3245mm at radius, is used for collecting the liquid flowing out in above-mentioned six kinds of described demister blade 1 the above first intake chutes 11 and the second intake chute 12, then flow to total pipeline, finally flow into waste collection place.
The 7th kind of described demister blade 1 is set in described Two Areas, and its horizontal length is 2005mm, select quantity is 640.The 7th kind of described demister blade 1 is positioned at described second area, and described in it, the second intake chute 12 liquid outflow ends are positioned on the circumference that radius is 5250mm, and the other end is positioned on the circumference that radius is 3245mm, and its side keeps vertically and is fixed on support.By the 7th kind of described demister blade 1, take mutual angle in 0.5625 degree is evenly distributed on described second area, and be fixed on support.A described collecting tank 2 is set on the circumference that is 5250mm at radius again, is used for collecting the liquid flowing out in described the first intake chute 11 on the 7th kind of described demister blade and the second intake chute 12, then flow to total pipeline, finally flow into waste collection place.
So far, the umbrella-shaped structure of demister of the present utility model completes substantially, gap between any two described demister blades 1 forms a described runner 3, but the centre of this umbrella-shaped structure, be that demister blade 1 is positioned at the region that the side in centre surrounds described in the first of selecting in described first area, do not form described runner 3, flue gas can not circulate at this.
It should be noted that in this article, the relational terms such as the first and second grades is only used for an entity and another entity to make a distinction, and not necessarily requires or imply relation or the order that has any this reality between these entities.
Finally it should be noted that: obviously, above-described embodiment is only for the utility model example is clearly described, and the not restriction to embodiment.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here exhaustive without also giving all embodiments.And the apparent variation of being amplified out thus or change are still among protection domain of the present utility model.
Claims (10)
1. a demister blade, is characterized in that, described demister blade body is Free vibration, comprises upper end, upper folding part, lower folding part and bottom, and between He Shang folding part, described upper end, shape is at a certain angle; Between He Xia folding part, described upper folding part, shape is at a certain angle; Between described lower folding part and bottom, shape is at a certain angle, and described upper end and bottom are in the same plane, on described demister blade, is provided with intake chute.
2. demister blade according to claim 1, is characterized in that, described intake chute comprises the first intake chute and the second intake chute.
3. demister blade according to claim 2, it is characterized in that, Yan Qi place, described lower folding part plane extends upward the backward described upper folding part bearing of trend bending certain distance of certain distance, thereby form described the first intake chute, described the first intake chute extends along the junction of He Xia folding part, described upper folding part in the horizontal.
4. demister blade according to claim 3, is characterized in that, described the second intake chute is formed on the lower end of described bottom, and extends along the base of described bottom.
5. demister blade according to claim 4, is characterized in that, described the second intake chute cross section is semicircle annular, and the opening of semicircle annular is towards a side at the place, bottom of demister blade, and opening surface is perpendicular to the plane at place, described bottom.
6. demister blade according to claim 1, is characterized in that, the angle forming between He Shang folding part, described upper end is 120-140 degree; The angle forming between He Xia folding part, described upper folding part is 80-150 degree; The angle forming between described lower folding part and bottom is 120-140 degree.
7. according to the demister blade described in claim 1 or 6, it is characterized in that, the angle between He Shang folding part, described upper end, between He Xia folding part, described upper folding part, between described lower folding part and bottom forms circular-arc.
8. a demister that comprises demister blade described in claim 2-5 any one, is characterized in that, described demister is the umbrella that middle high rim is low, also comprises collecting tank and support, and described support is for fixing described demister blade and described collecting tank; A side of described demister blade is vertically fixed on the support that is positioned at umbrella center, and an other side is uniformly distributed with divergent shape to surrounding, and is fixed on described support, between two described demister blades, forms runner; Described collecting tank is arranged on the lower end of described demister blade.
9. demister according to claim 8, is characterized in that, compare Di one end, position that is arranged on the second intake chute on described demister blade of one week of described collecting tank hoop.
10. demister according to claim 8, is characterized in that, described blade is provided with multilayer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420405885.9U CN203935713U (en) | 2014-07-22 | 2014-07-22 | A kind of demister blade and demister |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420405885.9U CN203935713U (en) | 2014-07-22 | 2014-07-22 | A kind of demister blade and demister |
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| Publication Number | Publication Date |
|---|---|
| CN203935713U true CN203935713U (en) | 2014-11-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420405885.9U Expired - Fee Related CN203935713U (en) | 2014-07-22 | 2014-07-22 | A kind of demister blade and demister |
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| CN (1) | CN203935713U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106975312A (en) * | 2017-03-02 | 2017-07-25 | 孙厚杰 | A kind of cold haze dedusting demister |
| CN111022189A (en) * | 2019-12-24 | 2020-04-17 | 哈尔滨工程大学 | Inertia-stage blade of air inlet filtering device with water delivery tank provided with flow guide pipe |
| CN112254190A (en) * | 2020-10-26 | 2021-01-22 | 佛山市顺德区美的洗涤电器制造有限公司 | Air inlet guiding device and combined stove |
| CN112717616A (en) * | 2020-12-30 | 2021-04-30 | 斯蒙赫尔(上海)环保科技有限公司 | Defogging blade and defroster |
-
2014
- 2014-07-22 CN CN201420405885.9U patent/CN203935713U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106975312A (en) * | 2017-03-02 | 2017-07-25 | 孙厚杰 | A kind of cold haze dedusting demister |
| CN111022189A (en) * | 2019-12-24 | 2020-04-17 | 哈尔滨工程大学 | Inertia-stage blade of air inlet filtering device with water delivery tank provided with flow guide pipe |
| CN111022189B (en) * | 2019-12-24 | 2022-11-01 | 哈尔滨工程大学 | Inertia-stage blade of air inlet filtering device with water delivery tank provided with flow guide pipe |
| CN112254190A (en) * | 2020-10-26 | 2021-01-22 | 佛山市顺德区美的洗涤电器制造有限公司 | Air inlet guiding device and combined stove |
| CN112717616A (en) * | 2020-12-30 | 2021-04-30 | 斯蒙赫尔(上海)环保科技有限公司 | Defogging blade and defroster |
| CN112717616B (en) * | 2020-12-30 | 2023-06-02 | 斯蒙赫尔(上海)环保科技有限公司 | Defogging blade and defroster |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141112 Termination date: 20190722 |