CN201940122U - Rhombus defogging device with pre-defogger - Google Patents
Rhombus defogging device with pre-defogger Download PDFInfo
- Publication number
- CN201940122U CN201940122U CN201020676838XU CN201020676838U CN201940122U CN 201940122 U CN201940122 U CN 201940122U CN 201020676838X U CN201020676838X U CN 201020676838XU CN 201020676838 U CN201020676838 U CN 201020676838U CN 201940122 U CN201940122 U CN 201940122U
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- Prior art keywords
- pipe
- demister
- rhombus
- defogger
- flue gas
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Abstract
The utility model relates to a rhombus defogging device with a pre-defogger, which comprises a rhombus defogger. The rhombus defogging device with the pre-defogger is characterized in that the pre-defogger is arranged in a flue gas flowing direction relative to an upstream position of the rhombus defogger and comprises at least two layers of parallel pipe rows, wherein the pipe rows are formed by parallel round pipes; the round pipes of two adjacent layers of pipe rows are arranged in a staggering way; and the round pipes of the pipe rows of the pre-defogger are arranged aslant to the horizontal plane. The pre-defogger is arranged in the front of the rhombus defogger to remove a part of fog drips in the flue gas, and the treatment quantity of the following rhombus defogger is lightened. With reasonable arrangement of a pipe row interval and a round pipe interval and uniform distribution of flue gas flow fields in a flue, the defogging efficiency is improved, and the carrying phenomenon and the occurrence of gesso rain are reduced. In addition, the gathered water drops can be quickly drained along the round pipes by adopting the inclined round pipes, and once-again lifting of water drops by the flue gas or obstacles to flowing of the flue gas caused due to directly dropping of water drops are reduced.
Description
Technical field
The utility model relates to a kind of demister, especially relates to a kind of rhombus demister that has pre-demister, is used for the demist in flue gas desulfurization course or other similar procedure.
Background technology
That the employed demister of industries such as present domestic flue gas desulfurization all adopts is flat, ridge type and rhombus demister, but because the complex situations during on-the-spot actual motion, the waft phenomenon of slurry of chimney of electric plant often occurred, promptly so-called gypsum rain.The reason that causes gypsum rain phenomenon to produce has: the first, because the flue gas flow of handling in the unit interval has surpassed the limit treating capacity that demister can bear (being demister treatable maximum flue gas flow when not influencing except that fog effect in the unit interval), cause the part drop that forms at the demister blade surface to be rolled by flue gas again and take away, and then enter chimney and enter atmosphere; The second, flue gas flow rate is too high, and treating capacity does not transfinite, and the flue gas that the slurries that are condensed in blade surface under this kind situation are crossed high flow rate is taken away again and entered chimney and enter atmosphere; The 3rd, demister stops up, because developing result is not good, slurries fouling on the demister blade causes demister partly to stop up, thereby influences the treating capacity of demister of other flow passage components and the flue gas speed of flowing through, cause the generation of carrying phenomenon, thereby form gypsum rain.
The utility model content
The applicant has carried out research and has improved at above-mentioned problem, and a kind of rhombus demister that has pre-demister is provided, and the distribution of flue gas flow field in the uniform flue improves demist efficient, prevents the generation of gypsum rain phenomenon.
In order to solve the problems of the technologies described above, the utility model adopts following technical scheme:
A kind of rhombus demister that has pre-demister, comprise the rhombus demister, the rhombus demister is provided with cleaning device, be provided with pre-demister at flue gas flow direction with respect to the upstream position of described rhombus demister, described pre-demister comprises the two-layer at least pipe row who is arranged in parallel, pipe row be made of the pipe that is arranged in parallel, and adjacent two layers pipe row's pipe is staggered, and described pre-demist organ pipe row's pipe favours the horizontal plane setting.
Further:
Described pre-demist organ pipe row's pipe and the angle between the horizontal plane are between 3 ° ~ 70 °.
Spacing between the adjacent tubes row of described pre-demister is between 10 millimeters to 500 millimeters.
Spacing between described pre-demist organ pipe row's the adjacent pipe is between 15 millimeters to 500 millimeters.
The diameter of described pre-demist organ pipe row's pipe is between 5 millimeters to 200 millimeters.
Described pre-demister is pressed flue gas layering flow velocity and the radially layered arrangement, and the spacing between spacing between the pipe row of each layer and the pipe row pipe is provided with according to flue gas layering flow velocity.
It is characterized in that: described pre-demist organ pipe row's pipe is the PP pipe.
Technique effect of the present utility model is:
The disclosed a kind of rhombus demister that has pre-demister of the utility model, pre-demister is set before the rhombus demister, flue gas is carried out preliminary treatment, remove the part droplet in the flue gas, alleviate the treating capacity of back side defroster, and by reasonable Arrangement pipe row's spacing and pipe spacing, the distribution of flue gas flow field in the uniform flue, thereby improve demist efficient, reduce the appearance of carrying phenomenon and gypsum rain; In addition, the pipe that is obliquely installed can make the water droplet of gathering discharge fast along pipe, reduces to be rolled once more by flue gas because of directly dripping or to the mobile obstruction that causes of flue gas.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
Fig. 2 is that the A of Fig. 1 is to partial enlarged drawing.
Fig. 3 is that the A of Fig. 1 of second embodiment is to partial enlarged drawing.
The specific embodiment
Below in conjunction with accompanying drawing the specific embodiment of the present utility model is described in further detail.
As Fig. 1, shown in 2, the utility model comprises the rhombus demister 1 that is installed in the absorption tower that stands vertically, rhombus demister 1 is provided with cleaning device 2, be provided with pre-demister 3 at flue gas flow direction (arrow B among Fig. 1) with respect to the upstream position of rhombus demister 1, pre-demister 3 comprises the two-layer pipe row 4 who is arranged in parallel, pipe row 4 is made of the some pipes that are arranged in parallel 5, adjacent two layers pipe row 4 pipe 5 is staggered, pre-demist organ pipe row's pipe 5 is generally the PP pipe, the brace summer 7 that the two ends of pipe 5 connect in the absorption tower by side plate 6, pre-demist organ pipe row's 4 pipe 5 favours the horizontal plane setting, the drop that accumulates on the pipe wall is flowed down along the pipe wall fast, be convenient to gathering and discharging of drop, usually pre-demist organ pipe row's 4 pipe 5 and the angle C between the horizontal plane are between 3 ° ~ 70 °, and pre-demist organ pipe row's 4 pipe 5 and the angle C between the horizontal plane can determine according to actual needs.Different in flow rate according to flue gas, space D between the pre-demister adjacent tubes row 4 is between 10 millimeters to 500 millimeters, spacing E between pre-demist organ pipe row's the adjacent pipe 5 is between 15 millimeters to 500 millimeters, and the diameter of pre-demist organ pipe row's 4 pipe 5 is between 5 millimeters to 200 millimeters.The flue gas stream that carries droplet is through pre-demister 3 time, the outer wall collision of the relatively big a part of drop of diameter and droplet and pipe also sticks on the outer wall of pipe 5, and then be accumulated into water droplet, because the gravity effect is dirty fast and discharge along the pipe 5 that tilts, and pre-demister 3 uniform flue gas flow fields, thereby reduce the demist pressure of rhombus demister 1, reach and improve demist efficient, reduce the purpose of the appearance of carrying phenomenon and gypsum rain.Pre-demister 3 should comprise the two-layer pipe row 4 who is arranged in parallel at least, the water yield that can carry according to the upstream flue gas, increase or reduce pipe row 4 the number of plies, and in the high flue of flue gas flow rate, suitably reduce space D between the row of pipe 4 and the spacing E between pipe row's pipe 5, suitably increase space D between the pipe row 4 and the spacing E between the pipe row pipe 5 in the low flue of flue gas flow rate.
In some cases, the flue gas laminar flow, the flue gas flow rate difference between each layer, as shown in Figure 3, pre-demister 3 is pressed flue gas layering flow velocity and the radially layered arrangement, and the spacing E between space D between the pipe row 4 of each layer and the pipe row pipe is provided with according to flue gas layering flow velocity.Suitably reduce space D between the row of pipe 4 and the spacing E between pipe row's pipe 5 at the high layer of flue gas flow rate, the layer that flue gas flow rate is low suitably increases space D between the pipe row 4 and the spacing E between the pipe row pipe 5, thereby reaches the effect of uniform flue gas flow field.
Claims (7)
1. rhombus demister that has pre-demister, comprise the rhombus demister, the rhombus demister is provided with cleaning device, it is characterized in that: be provided with pre-demister with respect to the upstream position of described rhombus demister at flue gas flow direction, described pre-demister comprises the two-layer at least pipe row who is arranged in parallel, pipe row be made of the pipe that is arranged in parallel, and adjacent two layers pipe row's pipe is staggered, and described pre-demist organ pipe row's pipe favours the horizontal plane setting.
2. according to the described rhombus demister that has pre-demister of claim 1, it is characterized in that: described pre-demist organ pipe row's pipe and the angle between the horizontal plane are between 3 ° ~ 70 °.
3. according to the described rhombus demister that has pre-demister of claim 1, it is characterized in that: the spacing between the adjacent tubes row of described pre-demister is between 10 millimeters to 500 millimeters.
4. according to the described rhombus demister that has pre-demister of claim 1, it is characterized in that: the spacing between described pre-demist organ pipe row's the adjacent pipe is between 15 millimeters to 500 millimeters.
5. according to the described rhombus demister that has pre-demister of claim 1, it is characterized in that: the diameter of described pre-demist organ pipe row's pipe is between 5 millimeters to 200 millimeters.
6. according to the described rhombus demister that has pre-demister of claim 1, it is characterized in that: described pre-demister is pressed flue gas layering flow velocity and the radially layered arrangement, and the spacing between spacing between the pipe row of each layer and the pipe row pipe is provided with according to flue gas layering flow velocity.
7. according to each described rhombus demister that has pre-demister of claim 1 to 6, it is characterized in that: described pre-demist organ pipe row's pipe is the PP pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020676838XU CN201940122U (en) | 2010-12-23 | 2010-12-23 | Rhombus defogging device with pre-defogger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020676838XU CN201940122U (en) | 2010-12-23 | 2010-12-23 | Rhombus defogging device with pre-defogger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201940122U true CN201940122U (en) | 2011-08-24 |
Family
ID=44467475
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201020676838XU Expired - Fee Related CN201940122U (en) | 2010-12-23 | 2010-12-23 | Rhombus defogging device with pre-defogger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201940122U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102527193A (en) * | 2010-12-23 | 2012-07-04 | 江苏德克环保设备有限公司 | Defogging device for absorption tower |
| CN109078432A (en) * | 2018-09-13 | 2018-12-25 | 永康市华格工业产品设计有限公司 | A kind of demister for keeping flue gas flow rate constant |
| CN113069837A (en) * | 2021-04-20 | 2021-07-06 | 赵禹 | Flexible belt type demisting device |
-
2010
- 2010-12-23 CN CN201020676838XU patent/CN201940122U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102527193A (en) * | 2010-12-23 | 2012-07-04 | 江苏德克环保设备有限公司 | Defogging device for absorption tower |
| CN109078432A (en) * | 2018-09-13 | 2018-12-25 | 永康市华格工业产品设计有限公司 | A kind of demister for keeping flue gas flow rate constant |
| CN109078432B (en) * | 2018-09-13 | 2020-11-13 | 永康市华格工业产品设计有限公司 | Demister capable of keeping flow velocity of flue gas constant |
| CN113069837A (en) * | 2021-04-20 | 2021-07-06 | 赵禹 | Flexible belt type demisting device |
| CN113069837B (en) * | 2021-04-20 | 2021-09-24 | 赵禹 | Flexible belt type demisting device |
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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: 20110824 Termination date: 20181223 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |