CN202803101U - Outlet mist drop removal device of wet desulfurization absorption tower - Google Patents
Outlet mist drop removal device of wet desulfurization absorption tower Download PDFInfo
- Publication number
- CN202803101U CN202803101U CN 201220387808 CN201220387808U CN202803101U CN 202803101 U CN202803101 U CN 202803101U CN 201220387808 CN201220387808 CN 201220387808 CN 201220387808 U CN201220387808 U CN 201220387808U CN 202803101 U CN202803101 U CN 202803101U
- Authority
- CN
- China
- Prior art keywords
- absorption tower
- horizontal flue
- support rod
- silk netting
- vertical strut
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 238000010521 absorption reaction Methods 0.000 title claims abstract description 30
- 238000006477 desulfuration reaction Methods 0.000 title abstract description 6
- 230000023556 desulfurization Effects 0.000 title abstract description 5
- 239000003595 mist Substances 0.000 title abstract 4
- 239000003546 flue gas Substances 0.000 claims abstract description 25
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims abstract description 24
- 239000010440 gypsum Substances 0.000 abstract description 8
- 229910052602 gypsum Inorganic materials 0.000 abstract description 8
- 239000002245 particle Substances 0.000 abstract description 6
- 239000007789 gas Substances 0.000 abstract 1
- 238000000034 method Methods 0.000 description 3
- 235000019738 Limestone Nutrition 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 238000011010 flushing procedure Methods 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000006028 limestone Substances 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 239000003599 detergent Substances 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000010797 grey water Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000010926 purge Methods 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
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- Treating Waste Gases (AREA)
Abstract
The utility model discloses an outlet mist drop removal device of a wet desulfurization absorption tower, belonging to the technical field of a wet desulfurization absorption device. The device is characterized in that a left longitudinal support rod and a right longitudinal support rod are vertically arranged in a horizontal flue; the right longitudinal support rod is arranged on a flue gas entering side; the left and right longitudinal support rods are connected with a group of left and right transverse support rods respectively; a group of parallel screen mesh sheets are obliquely arranged between the left and right transverse support rods in turn; the connection position of each screen mesh sheet and each right transverse support rod is higher than the connection position of the screen mesh sheet and each left transverse support rod; and an exhaust tank and a baffle are sequentially arranged at the bottom of the horizontal flue on the left side of the left longitudinal support rod. The device disclosed by the utility model is novel in conception, compact in structure and reasonable in layout, and can effectively block the mist drop particles with diameters of less than 30 microns in flue gas and realize efficient removal of mist drops while preventing increase of operation resistance and blockage of a downstream GGH (gas-gas heater), improving the reliability of the desulfurizer and eliminating the phenomenon of 'gypsum rain' at the outlet of a desulfurization chimney; and meanwhile, the device does not occupy the space of the body of the absorption tower, has low load and is convenient to assemble and disassemble.
Description
Technical field
The utility model belongs to wet desulphurization absorption plant technical field, is specifically related to a kind of wet desulphurization absorption tower outlet droplet and removes device.
Background technology
The desulphurization system of domestic and international coal-fired unit adopts Limestone-gypsum Wet Flue Gas Desulfurization Process technique mostly at present, and flue gas spray washing through lime stone slurry in the absorption tower discharges after the demist of two-stage demister again, and the clean flue gas of discharging is about 50 ℃ saturated wet flue gas; Desulphurization system have arrange and do not arrange GGH(flue gas-flue gas heater) two kinds of arrangement forms; usually it is serious to find that in the desulfurizer of GGH is set the GGH circulating face stops up; and " gypsum rain " phenomenon can appear in the desulfurizer that GGH is not set usually, these two kinds of phenomenons all with the absorption tower in the design and running effect of demister close relationship is arranged.
At present defogging device for absorption tower commonly used has flat and two kinds of ridge types, although these two kinds of forms are different, but all be arranged horizontally in the absorption tower body interior, its demist principle is: flue gas is by the inner tortuous corridor of demister, large droplet can collide and be docked on the inwall owing to effect of inertia, thereby realizes except fog effect; Its existing problems are mainly as follows: above-mentioned demister has better removal effect for the droplet more than the diameter 30 μ m, but not obvious for the small particle diameter droplet removal effect below the 30 μ m; For the desulphurization system that GGH is arranged, because demister can not effectively remove the small particle diameter droplet, and a large amount of flying dusts and gypsum particle etc. have been carried in the droplet, these droplets during through GGH wherein gypsum, lime stone just deposition be attached on through-flow of the GGH, be difficult to purge clean, not only increase the desulphurization system running resistance, and deposited and to stop up GGH when serious, caused system to stop transport; For the desulphurization system without GGH, droplet is carried by flue gas at a high speed, discharges chimney, because of flue-gas temperature only about 50 ℃, effectively lifting diffusion, droplet descends slowly and lightly near the plant area, form " gypsum rain " phenomenon, the environment of power plant and surrounding area has been caused pollution.
The utility model content
The utility model aims to provide a kind of wet desulphurization absorption tower outlet droplet and removes the device technique scheme, to remove the minor diameter droplet that has comprised the impurity such as gypsum particle thing in the flue gas, overcomes problems of the prior art.
Described a kind of wet desulphurization absorption tower outlet droplet removes device, absorption tower outlet connection arranges horizontal flue, it is characterized in that vertically arranging in the horizontal flue left and right vertical strut, right vertical strut is arranged on the flue gas approaching side, connect respectively on the left and right vertical strut one group of left and right singletree is set, oblique successively between the left and right singletree one group of parallel silk netting is set, the link position of silk netting and right singletree is higher than the link position of this silk netting and left singletree, and the horizontal flue bottom in left vertical strut left side sets gradually letdown tank, baffle plate.
Described a kind of wet desulphurization absorption tower outlet droplet removes device, it is characterized in that the extreme higher position of described one group of silk netting is no more than the horizontal flue middle part, and upper silk netting lower surpasses the upper along the position of lower silk netting between adjacent two silk nettings along the position.
Described a kind of wet desulphurization absorption tower outlet droplet removes device, and the angle of inclination that it is characterized in that the silk netting of oblique parallel setting is adjustable in 30 °～60 ° scopes.
Described a kind of wet desulphurization absorption tower outlet droplet removes device, it is characterized in that the spacing between the described left and right vertical strut is the spacing of a pair of rinforcement bar of horizontal flue.
Described a kind of wet desulphurization absorption tower outlet droplet removes device, it is characterized in that the arrangement of described one group of silk netting highly is 50%～30% of horizontal flue height.
Above-mentioned a kind of wet desulphurization absorption tower outlet droplet removes device, novel, compact conformation, rationally distributed, can effectively block in the flue gas diameter when guaranteeing the flue gas circulation less than the droplet particle of 30 μ m, can reach efficiently removing of droplet, and guarantee that downstream GGH running resistance does not increase, do not stop up, improve the reliability of desulfurizer, also can eliminate the desulfuration chimney outlet and produce " gypsum rain " phenomenon, this device rationally utilizes the inner space of absorption tower outlet horizontal flue simultaneously, do not take the absorption tower body plenum, load is little, and installation and removal are convenient.
Description of drawings
Fig. 1 is the utility model structural representation;
Fig. 2 be among Fig. 1 A-A to structural representation;
Among the figure: the left vertical strut of 1a-, the right vertical strut of 1b-, 2-horizontal flue, 3-bolt assembly, 4-silk netting, 5-rinforcement bar, 6-letdown tank, 7-baffle plate, the left singletree of 8a-, the right singletree of 8b-, the outlet of 9-absorption tower.
The specific embodiment
Now in conjunction with Figure of description, describe the specific embodiment of the present utility model in detail:
Fig. 1, Figure 2 shows that a kind of wet desulphurization absorption tower outlet droplet removes device, absorption tower outlet 9 connects horizontal flue 2 is set, and the flue gas flow direction in the horizontal flue 2 is for from right to left, as shown by the arrows in Figure 1; Horizontal flue 2 interior left vertical strut 1a, the right vertical strut 1b of vertically arranging, right vertical strut 1b is arranged on the flue gas approaching side, left vertical strut 1a, right vertical strut 1b upper and lower end are fixedly connected on respectively on horizontal flue 2 inwalls, spacing between left vertical strut 1a, the right vertical strut 1b is the spacing of a pair of rinforcement bar 5 of horizontal flue 2, be generally about 1000mm, and left vertical strut 1a, right vertical strut 1b are arranged on rinforcement bar 5 positions to improve overall construction intensity; The upper connection of right vertical strut 1b arranges one group of right singletree 8b, the position at uppermost right singletree 8b place is no more than the middle part of horizontal flue 2, the upper connection of left vertical strut 1a arranges one group of left singletree 8a, uppermost left singletree 8a position is lower than uppermost right singletree 8b, generally can utilize horizontal flue 2 original internal overarm supports directly as left vertical strut 1a, right vertical strut 1b or left singletree 8a, right singletree 8b, make structure simpler, compact, to save cost, reduce taking the flue circulation area; Oblique successively between one group of right singletree 8b and the one group of left singletree 8a one group of parallel silk netting 4 is set, the link position of silk netting 4 and right singletree 8b is higher than the link position of this silk netting 4 and left singletree 8a, the angle of inclination of silk netting 4 is adjustable in 30 °～60 ° scopes, upper horizontal flue 2 middle parts that are no more than along the position of the silk netting 4 of the superiors, and the arrangement of silk netting 4 highly is 50%～30% of horizontal flue 2 height, upper silk netting lower is lower than the upper along the position of lower silk netting between adjacent two silk nettings 4 along the position, the oblique setting of silk netting 4, the overlapping arrangement of fluctuating plate and space layout are in the pipeline bottom, can guarantee to reserve sufficient flue gas circulation area, reduce flue gas resistance, can prevent that again droplet from fleeing from, reach and efficiently remove the droplet effect; Be connected and fixed by bolt assembly 3 respectively between silk netting 4 and left singletree 8a, the right singletree 8b, bolt assembly 3 is the anticorrosion connector, is made of etch-proof bolt, nut, jam nut and stainless steel band steel; Direction of advance along flue gas, horizontal flue 2 bottoms in left vertical strut 1a left side set gradually letdown tank 6, baffle plate 7, clean flue gas advanced along original direction by silk netting 4 when flue gas arrived silk netting 4, the silk netting 4 that droplet in the flue gas is tilted by vertical direction removes and falls, and along with inertia continues to flow to baffle plate 7, droplet impurity is discharged flue system by the droplet that baffle plate 7 gears drop down onto horizontal flue 2 bottoms with regard to entering letdown tank 6.
In above-described embodiment, silk netting 4 adopts heavy duty detergent Special gas-liquid screen packs, is made by corrosion-resistant stainless steel silk or other resistant material, can prevent from corroded by wet flue gas, and can remove effectively that diameter is less than the droplet of 30 μ m in the flue gas, and demist is effective;
During this application of installation, can set up the flushing water interface in horizontal flue 2 outsides, when blowing out, directly carry out manual cleaning, cleaning sullage is dropped down onto letdown tank 6 and is discharged flue system by baffle plate 7 gears, complicated flushing water pipe network needn't be set, be convenient to safeguard, reduce use cost.
Claims (5)
1. a wet desulphurization absorption tower outlet droplet removes device, absorption tower outlet (9) connection arranges horizontal flue (2), it is characterized in that in the horizontal flue (2) left side being set vertically, right vertical strut (1a, 1b), right vertical strut (1b) is arranged on the flue gas approaching side, left, right vertical strut (1a, connect respectively 1b) one group of left side is set, right singletree (8a, 8b), left, right singletree (8a, the oblique one group of parallel silk netting (4) that arranges successively 8b), the link position of silk netting (4) and right singletree (8b) is higher than the link position of this silk netting (4) and left singletree (8a), and horizontal flue (2) bottom in left vertical strut (1a) left side sets gradually letdown tank (6), baffle plate (7).
2. a kind of wet desulphurization absorption tower outlet droplet as claimed in claim 1 removes device, the extreme higher position that it is characterized in that described one group of silk netting (4) is no more than horizontal flue (2) middle part, and upper silk netting lower surpasses the upper along the position of lower silk netting between adjacent two silk nettings (4) along the position.
3. a kind of wet desulphurization absorption tower outlet droplet as claimed in claim 1 removes device, and the angle of inclination that it is characterized in that the silk netting (4) that oblique parallel arranges is adjustable in 30 °～60 ° scopes.
4. a kind of wet desulphurization absorption tower outlet droplet as claimed in claim 1 removes device, it is characterized in that the spacing between the described left and right vertical strut (1a, 1b) is the spacing of a pair of rinforcement bar (5) of horizontal flue (2).
5. a kind of wet desulphurization absorption tower outlet droplet as claimed in claim 1 removes device, it is characterized in that the arrangement of described one group of silk netting (4) highly is 50%～30% of horizontal flue (2) height.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220387808 CN202803101U (en) | 2012-08-07 | 2012-08-07 | Outlet mist drop removal device of wet desulfurization absorption tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220387808 CN202803101U (en) | 2012-08-07 | 2012-08-07 | Outlet mist drop removal device of wet desulfurization absorption tower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202803101U true CN202803101U (en) | 2013-03-20 |
Family
ID=47862047
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220387808 Expired - Lifetime CN202803101U (en) | 2012-08-07 | 2012-08-07 | Outlet mist drop removal device of wet desulfurization absorption tower |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202803101U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103372349A (en) * | 2013-05-30 | 2013-10-30 | 浙江天地环保工程有限公司 | Demisting device for outlet flue of desulfurization tower |
| CN104089290A (en) * | 2014-06-17 | 2014-10-08 | 中能东讯新能源科技(大连)有限公司 | Humidification desulphurization sweeping device for tail flue of coal-fired boiler |
-
2012
- 2012-08-07 CN CN 201220387808 patent/CN202803101U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103372349A (en) * | 2013-05-30 | 2013-10-30 | 浙江天地环保工程有限公司 | Demisting device for outlet flue of desulfurization tower |
| CN103372349B (en) * | 2013-05-30 | 2015-07-15 | 浙江天地环保工程有限公司 | Demisting device for outlet flue of desulfurization tower |
| CN104089290A (en) * | 2014-06-17 | 2014-10-08 | 中能东讯新能源科技(大连)有限公司 | Humidification desulphurization sweeping device for tail flue of coal-fired boiler |
| CN104089290B (en) * | 2014-06-17 | 2016-04-27 | 中能东讯新能源科技(大连)有限公司 | A kind of coal-burning boiler back-end ductwork humidification desulfurization blow device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 310012, building 12, building 99, Huaxing Road, Hangzhou, Zhejiang, Xihu District Patentee after: ZHEJIANG TIANDI ENVIRONMENTAL PROTECTION TECHNOLOGY Co.,Ltd. Address before: 310012, building 12, building 99, Huaxing Road, Hangzhou, Zhejiang, Xihu District Patentee before: ZHEJIANG TIANDI ENVIRONMENTAL PROTECTION ENGINEERING Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 310012, building 12, building 99, Huaxing Road, Hangzhou, Zhejiang, Xihu District Patentee after: Zhejiang Tiandi Environmental Protection Technology Co.,Ltd. Address before: 310012, building 12, building 99, Huaxing Road, Hangzhou, Zhejiang, Xihu District Patentee before: ZHEJIANG TIANDI ENVIRONMENTAL PROTECTION TECHNOLOGY Co.,Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130320 |