CN202105574U - Desulfurization tower with direct dehumidification chimney - Google Patents
Desulfurization tower with direct dehumidification chimney Download PDFInfo
- Publication number
- CN202105574U CN202105574U CN2011201860628U CN201120186062U CN202105574U CN 202105574 U CN202105574 U CN 202105574U CN 2011201860628 U CN2011201860628 U CN 2011201860628U CN 201120186062 U CN201120186062 U CN 201120186062U CN 202105574 U CN202105574 U CN 202105574U
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- chimney
- line wet
- wet chimney
- tower body
- tower
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Abstract
The utility model discloses a desulfurization tower with a direct dehumidification chimney, which comprises a tower body, a desulfurization device and the direct dehumidification chimney. The inner wall of the direct dehumidification chimney is provided with an anti-corrosion layer, the direct dehumidification chimney adopts an inverted funnel shape, the top part of the tower body is provided with an opening, the direct dehumidification chimney is fixedly arranged on the top part of the tower body, and the desulfurization device is arranged in the tower body. Since the inverted funnel-shaped direct dehumidification chimney is additionally arranged on the top part of the desulfurization tower, an exhausting effect can be achieved due to the specific shape. Meanwhile, with the internal anti-corrosion layer, the corrosion resistance can be enhanced effectively, no gas-gas heat exchanger is needed, and the cost is reduced.
Description
Technical field
The utility model relates to a kind of desulfurizing tower flue gas process field, specially refer to the desulfurizing tower that a kind of device has in line wet chimney.
Background technology
China FGD technology (flue gas desulfurization technique) is started late; Present most of wet flue gas desulfurizer; Mostly be that chimney with desulfurizing tower and existing brick mix structure or steel and concrete structure is used, and behind desulfurizing tower, install GGH additional (gas gas-heat exchanger), the chimney that is about to brick mix structure or steel and concrete structure is installed in desulfurizer one side side by side; Etching problem and production hidden danger that this kind structure brings for original chimney are serious day by day, very important.
The reason that produces the problems referred to above be to the performance of FGD also fully understanding grasp, think that clean flue gas after the desulfurization is through GGH (gas-gas heat exchange interchanger) heating after, cigarette temperature rise to 80 ℃ can alleviate the corrosion of flue gas after desulfurization to upstream device.But facts have proved that the cigarette temperature after the GGH heating still is lower than acid dew point, still can in back-end ductwork and chimney, produce new acid cure knot.Therefore, think and install that can to alleviate the desulfurization flue gas behind the GGH be the mistaken ideas of a understanding to the corrosion (flue in downstream, former chimney etc.) of upstream device.
In addition, GGH is installed has brought a series of new problem, comprise the increase of booster fan, control system, and the increase of flue length etc., its newly-increased investment accounts for 20% of FGD gross investment.Desulphurization system increases the about 1.2kpa of crushing simultaneously, for overcoming these resistances, must increase the pressure head of blower fan, and the operating cost of FGD system is further increased again.The internal leakage of GGH, though controlled below 1%, be a kind of dead wight loss after all, reduce desulfuration efficiency.GGH is installed still is the trouble point of whole FGD system, influenced the availability of FGD greatly.
Can know that in sum GGH is little to the effect of protecting former chimney anticorrosion in the FGD system, but the negative effect that brings thus is very big; Practice shows; The chimney of the clean flue gas of discharging behind the flue gas desulfurization wet processing all must be taked anti-corrosion measure, with that whether GGH is installed is irrelevant, whether no matter GGH is installed; The chimney of flue gas desulfurization wet processing all must be taked anti-corrosion measure, and by wet chimney design.But the flue gas desulfurization project of domestic majority industry is a transformation project, and original chimney great majority are brick mix structure or steel and concrete structure, does not do strict anti-corrosion measure and handles, and can not stand the long-term corrosiveness of wet flue gas, and length luck guild causes chimney to collapse.Therefore, the in line wet chimney device of design and tower integrated desulfurizing is to replace GGH and to solve the corrosion-resistant problem, and is imperative.
The utility model content
The purpose of the utility model is the deficiency that solves above-mentioned technology, provides a kind of device that the desulfurizing tower of in line wet chimney is arranged.The utility model is the in line wet chimney that installs down funnel type at the top of desulfurizing tower additional; Its specific shape can play the effect of bleeding, and is provided with anticorrosive coat within it simultaneously, has effectively strengthened decay resistance; Do not need the gas-gas heat exchange interchanger, reduced cost.
In order to achieve the above object, the technical scheme of the utility model is:
A kind of device has the desulfurizing tower of in line wet chimney, and it comprises tower body, desulfurizer and in line wet chimney, and said tower body top is uncovered shape; Said in line wet chimney is for falling funnel-form; Its inwall is equipped with anticorrosive coat, and in line wet chimney is packed in the top of tower body, and said desulfurizer is installed in the tower body.
Further, said in line wet chimney comprises pedestal and cylindrical shell, and the material of in line wet chimney is a carbon steel; The mouth diameter is greater than top mouthful diameter at the bottom of the said pedestal; Said cylindrical shell is a cylinder, and its diameter is identical with pedestal top mouthful diameter, and a port of cylindrical shell is welded on the mouth of pedestal top.
Further, said tower body top mouthful diameter is identical with mouth diameter at the bottom of the in line wet chimney.
Further, said anticorrosive coat is a fiberglass.
Further, said anticorrosive coat is a steel alloy.
Further, said anticorrosive coat is a carbon steel glass inner-lining scale.
The beneficial effect of the utility model is:
1, the utility model has been deleted the gas-gas heat exchange interchanger, and construction and operating cost are significantly reduced, and have increased practicality;
2, the utility model is the top that in line wet chimney is welded on desulfurizing tower, does not need extra land occupation area;
3, the utility model has been set up anticorrosive coat in line wet chimney, effectively prevents the destruction of corrosion thing residual in the gas to chimney.
Description of drawings
Fig. 1 is the structural representation of desulfurizer among the utility model embodiment;
Wherein: 1 tower body, 2 desulfurizers, 3 in line wet chimneys, 4 anticorrosive coats, 5 cylindrical shells, 6 pedestals.
The specific embodiment
The specific embodiment below in conjunction with description of drawings the utility model.
Embodiment as shown in Figure 1, a kind of device has the desulfurizing tower of in line wet chimney, comprises tower body 1, desulfurizer 2 and in line wet chimney 3; In line wet chimney 3 is for falling funnel-form; Tower body 1 top is uncovered shape, and in line wet chimney 3 is packed in the top of tower body 1, and desulfurizer 2 is installed in the tower body 1.The inwall of in line wet chimney 3 is equipped with anticorrosive coat 4, and anticorrosive coat 4 can be fiberglass, steel alloy or carbon steel glass inner-lining scale etc.
In line wet chimney 3 wherein comprises cylindrical shell 5 and pedestal 6, and the material of in line wet chimney 3 is preferably carbon steel, and 6 end of pedestal mouth diameter is greater than its top mouthful diameter.Cylindrical shell 5 is a cylinder, and its diameter is identical with pedestal 6 top mouthful diameters, and a port of cylindrical shell 5 is welded on the pedestal 6 top mouths.Tower body 1 top mouthful diameter is identical with in line wet chimney 3 end mouth diameter.
During concrete the construction, the outlet flue flow velocity must not be lower than 1.5 times of eminence wind speed, and in line wet chimney and the integrated combined altitudes of desulfurization tower body must not be lower than 1.5-4 times of its nearby buildings height.When in line wet chimney material was selected FRP for use, gas speed should be≤19.8m/s; When in line wet chimney material was selected steel alloy for use, gas speed should be≤22.87m/s.
During concrete the application, with 130m
2Sintering machine be example, outlet cigarette speed v=15m/s, the exhaust gas volumn Q0=720000m of its discharge
3/ h, input gas temperature T0=130 ℃.Use the desulfurizing tower of inside diameter D 0=Φ 8000mm; Tower body 1 is set to uncovered shape; The in line wet chimney 3 of funnel type is fallen in welding in its uncovered upper end, and specifically being of a size of of in line wet chimney 3: pedestal 6 inside diameter D 0=Φ 8000mm, pedestal 6 height H=3800mm, cylindrical shell 5 inner diameter d 0=Φ 3600mm, cylindrical shell 5 height h=20000mm (concrete numerical value look field condition and decide).The flue gas that sintering machine is discharged gets in the desulfurizing tower 1, carries out desulfurization through desulfurizer 2 and handles, and concrete is to contain [OH
-] ion alkaline absorption solution respectively from the desulfurizing tower the middle and lower part spray by spiral nozzle; Form and to become reverse many rows' high speeds water curtain that atomizes with flue gas; Increased the collision probability of flue dust oxysulfide and water; And the speed that makes full use of atomized drop causes very high gas-liquid relative velocity, to guarantee desulfurized effect.The draft that forms of given shape through in line wet chimney 3 then is discharged to the high-altitude with gas.The anticorrosive coat 4 that adds in line wet chimney 3 inner surfaces has simultaneously been avoided the corrosion of flue gas to chimney.
In line wet chimney 3 is welded on the top of desulfurization tower body 1; Need not add the gas-gas heat exchange interchanger; Equipment such as booster fan and control system have been deleted; Flue gas after directly through the rising draft of in line wet chimney desulfurization being handled enters atmosphere, when having increased flue gas rising draft, has also reduced construction and operating cost.
Above embodiment is only unrestricted in order to the technical scheme of explanation the utility model; Although the utility model is specified with reference to preferred embodiment; Those of ordinary skill in the art is to be understood that; Can make amendment or be equal to replacement the technical scheme of the utility model, and not break away from the spirit and the scope of the utility model technical scheme, it all should be encompassed in the middle of the claim scope of the utility model.
Claims (6)
1. a device has the desulfurizing tower of in line wet chimney; It comprises tower body (1), desulfurizer (2) and in line wet chimney (3); It is characterized in that: said tower body (1) top is uncovered shape, and said in line wet chimney (3) is for falling funnel-form, and its inwall is equipped with anticorrosive coat (4); In line wet chimney (3) is packed in the top of tower body (1), and said desulfurizer (2) is installed in the tower body (1).
2. device according to claim 1 has the desulfurizing tower of in line wet chimney; It is characterized in that: said in line wet chimney (3) comprises pedestal (6) and cylindrical shell (5); The material of in line wet chimney (3) is a carbon steel, and said pedestal (6) end mouth diameter is greater than top mouthful diameter, and said cylindrical shell (5) is a cylinder; Its diameter is identical with pedestal (6) top mouthful diameter, and a port of cylindrical shell (5) is welded on the mouth of pedestal (6) top.
3. device according to claim 1 and 2 has the desulfurizing tower of in line wet chimney, it is characterized in that: said tower body (1) top mouthful diameter is identical with in line wet chimney (3) end mouth diameter.
4. device according to claim 1 has the desulfurizing tower of in line wet chimney, it is characterized in that: said anticorrosive coat (4) is a fiberglass.
5. device according to claim 1 has the desulfurizing tower of in line wet chimney, it is characterized in that: said anticorrosive coat (4) is a steel alloy.
6. device according to claim 1 has the desulfurizing tower of in line wet chimney, it is characterized in that: said anticorrosive coat (4) is a carbon steel glass inner-lining scale.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201860628U CN202105574U (en) | 2011-06-03 | 2011-06-03 | Desulfurization tower with direct dehumidification chimney |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201860628U CN202105574U (en) | 2011-06-03 | 2011-06-03 | Desulfurization tower with direct dehumidification chimney |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202105574U true CN202105574U (en) | 2012-01-11 |
Family
ID=45431023
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201860628U Expired - Lifetime CN202105574U (en) | 2011-06-03 | 2011-06-03 | Desulfurization tower with direct dehumidification chimney |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202105574U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104922985A (en) * | 2015-06-01 | 2015-09-23 | 安徽诚泰环保工程有限公司 | Industrial fume purifier |
| CN108343981A (en) * | 2017-01-23 | 2018-07-31 | 中国电力工程顾问集团华北电力设计院有限公司 | Desulfurizing tower and chimney combined into one apparatus |
-
2011
- 2011-06-03 CN CN2011201860628U patent/CN202105574U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104922985A (en) * | 2015-06-01 | 2015-09-23 | 安徽诚泰环保工程有限公司 | Industrial fume purifier |
| CN108343981A (en) * | 2017-01-23 | 2018-07-31 | 中国电力工程顾问集团华北电力设计院有限公司 | Desulfurizing tower and chimney combined into one apparatus |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 100080 room 1615, earth science and technology building, No. 67, North four Ring West Road, Haidian District, Beijing Patentee after: Beijing Kechuang Technology Park Limited by Share Ltd Address before: 100080 room 1615, earth science and technology building, No. 67, North four Ring West Road, Haidian District, Beijing Patentee before: Beijing Zhongke Innovation Park Environment Technology 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: 100080 room 1615, earth science and technology building, No. 67, North four Ring West Road, Haidian District, Beijing Patentee after: Beijing Kechuang Technology Park Limited by Share Ltd Address before: 100080 room 1615, earth science and technology building, No. 67, North four Ring West Road, Haidian District, Beijing Patentee before: Beijing Zhongke Innovation Park Environment Technology Co.,Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120111 |