CN201091835Y - Wet method gas fume desulfuration system - Google Patents
Wet method gas fume desulfuration system Download PDFInfo
- Publication number
- CN201091835Y CN201091835Y CNU2007201702469U CN200720170246U CN201091835Y CN 201091835 Y CN201091835 Y CN 201091835Y CN U2007201702469 U CNU2007201702469 U CN U2007201702469U CN 200720170246 U CN200720170246 U CN 200720170246U CN 201091835 Y CN201091835 Y CN 201091835Y
- Authority
- CN
- China
- Prior art keywords
- chimney
- wet method
- fume desulfurizing
- method fume
- desulfurizing system
- 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
- 238000006477 desulfuration reaction Methods 0.000 title claims abstract description 50
- 239000003517 fume Substances 0.000 title claims description 26
- 238000000034 method Methods 0.000 title claims description 26
- 239000007789 gas Substances 0.000 title description 3
- 238000010521 absorption reaction Methods 0.000 claims description 29
- 230000003009 desulfurizing effect Effects 0.000 claims description 25
- 239000000463 material Substances 0.000 claims description 14
- 239000000956 alloy Substances 0.000 claims description 8
- 229910000851 Alloy steel Inorganic materials 0.000 claims description 7
- 230000007797 corrosion Effects 0.000 claims description 6
- 238000005260 corrosion Methods 0.000 claims description 6
- 238000005507 spraying Methods 0.000 claims description 6
- 229910000831 Steel Inorganic materials 0.000 claims description 5
- 238000004519 manufacturing process Methods 0.000 claims description 5
- 239000010959 steel Substances 0.000 claims description 5
- 125000006850 spacer group Chemical group 0.000 claims description 4
- 229910001021 Ferroalloy Inorganic materials 0.000 claims description 3
- 239000004743 Polypropylene Substances 0.000 claims description 3
- 229910045601 alloy Inorganic materials 0.000 claims description 3
- -1 polypropylene Polymers 0.000 claims description 3
- 229920001155 polypropylene Polymers 0.000 claims description 3
- 230000023556 desulfurization Effects 0.000 abstract description 19
- 230000001360 synchronised effect Effects 0.000 abstract description 5
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 abstract 1
- 229910052717 sulfur Inorganic materials 0.000 abstract 1
- 239000011593 sulfur Substances 0.000 abstract 1
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 14
- 239000003546 flue gas Substances 0.000 description 14
- 239000000779 smoke Substances 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 238000012423 maintenance Methods 0.000 description 4
- 239000002002 slurry Substances 0.000 description 4
- 238000003915 air pollution Methods 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- 238000002485 combustion reaction Methods 0.000 description 2
- 238000009833 condensation Methods 0.000 description 2
- 230000005494 condensation Effects 0.000 description 2
- 239000010440 gypsum Substances 0.000 description 2
- 229910052602 gypsum Inorganic materials 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 235000019738 Limestone Nutrition 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000003712 anti-aging effect Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000006028 limestone Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 239000002912 waste gas Substances 0.000 description 1
Landscapes
- Treating Waste Gases (AREA)
Abstract
The utility model relates to a wet off-gas desulfurization system, comprising a chimney and a desulfurization absorbing tower arranged under the interior of the chimney. By adopting the wet off-gas desulfurization system of the utility model, the system can be simplified and plant-power and operation cost can be saved, and can basically avoid non-synchronous operation between the desulfurization device and a main machine unit, and also can avoid the condition that a power plant provided with the desulfurization device dose not operate the device but secretly emit the off-gas with sulfur.
Description
Technical field
The utility model relates to a kind of wet method fume desulfurizing system, particularly, relates in particular to a kind of desulphurization system that is used for institute of thermoelectric enterprise smoke discharging.
Background technology
Present stage, problem of environmental pollution has been subjected to the extensive concern of various circles of society, and is wherein particularly outstanding with air pollution problems inherent.Since China administer aspect the air pollution shorter than its technical development history of western developed country, national environmental consciousness relatively a little less than, so up to the present, air pollution is still very serious.
Particularly, in large-and-medium size cities, motor vehicle exhaust emission is a factor that causes atmosphere pollution, and (for example power plant, cement plant, chemical plant, steel mill) institute's exhaust gas discharged of other large enterprise also is to cause the important source of air-polluting.
In recent years, should admit that most of enterprises are obtaining some achievements aspect the regulation toxic emission, environmental consciousness increases simultaneously.But,, waste gas treatment equipment finally is not installed yet though reduction air-polluting importance is understood by some enterprise owing to can provide the production cost of enterprise to the investment of environmental protection equipment.For medium-sized and small enterprises, this class problem just seems more outstanding.
With the coal-burning power plant is example, the wet flue gas desulfurization absorption tower of coal-burning power plant both domestic and external is usually placed in the zone beyond the stove after funnel, particularly, two desulfuration absorbing towers are set usually, the two is arranged symmetrically in stove after funnel both sides, and is provided with booster fan, slurry circulating pump centering on of desulfuration absorbing tower all around, oxidation fan, gypsum excavationg pump etc.
At first, the equipment of the needs of above-mentioned desulphurization system is more, these equipment and purchasing, and installation and maintenance makes that the items of equipment input cost is higher, the desulphurization plant of costliness like this can't bear in part enterprise;
Secondly, said system inside is provided with the flue condensation water recovery system, and this also is one of higher factor of its cost, and its absorption tower tower body is higher, and the housing structure input is bigger.
In addition, above-mentioned desulphurization system is owing to bag desulfurization duct and booster fan, so the running resistance of system is bigger, so the operation power consumption is higher;
And, because above-mentioned this body structure of desulphurization system is simplified inadequately, so its floor space is bigger, this social overall situation at the land resource growing tension is incompatible, if with the soil cost consideration interior, the operation of above-mentioned desulphurization plant be common small business can not bear;
In addition, what is more important, above-mentioned this body structure of desulphurization system makes desulfurization work and main frame independently to carry out, for the enterprise that uses this desulphurization system, if it only produces not desulfurization for reducing production costs, it is easy to technically realize that in other words, the structure of above-mentioned desulphurization system can't suppress the situation that row steals in enterprise technically.
In order to address the above problem, the utility model is real to be necessary to design a kind of new wet method fume desulfurizing system, thereby overcomes above-mentioned defective.
The utility model content
It is a kind of simple in structure that the purpose of this utility model is to provide, and running resistance is less, and floor space is less and can effectively suppress the wet method fume desulfurizing system that row steals in enterprise.
To achieve these goals, wet method fume desulfurizing system of the present utility model comprises chimney, and the desulfuration absorbing tower that is located at below, described chimney inside.
According to an aspect of the present utility model, described chimney is the single tube chimney, described absorption tower and chimney arranged concentric, and the outlet of described absorption tower is connected with chimney internal cylinder.
According on the other hand of the present utility model, in described absorption tower, vertically be provided with spacer body.
According to another aspect of the present utility model, described chimney is two inner core chimneys, arranges two independently absorption towers in described pair of inner core chimney.
According to other aspects of the present utility model, described absorption tower liner alloy material.More preferably, described alloy steel material is a nickel-base alloy, as C series abros C-276, C-22 and C-2000 etc.
In an embodiment of the present utility model, described absorption tower has spraying layer, the inside and outside ferroalloy steel of the pipeline of described spraying layer or directly adopt the steel alloy manufacturing.
In another embodiment of the present utility model, described absorption tower has demister, and the material of described demister is high temperature resistant and the polypropylene material material of corrosion or alloy material high temperature resistant and corrosion.
By adopting wet method fume desulfurizing system of the present utility model, have the following advantages:
1. saved desulfurization duct, by-pass damper door, desulphurization system import baffle door and outlet damper door, baffle door blanket gas system and equipment, booster fan, made system obtain simplifying.
2. do not need to be provided with the flue condensation water recovery system, flue gas condensing water directly is recovered in the desulfuration absorbing tower stock tank.
3. do not have desulfurization duct and booster fan, reduced SR, saved station service and operating cost.
4. the reliability of system is improved.
5. reduce the floor space of desulfurization facility, made full use of the chimney lower space.
6. fundamentally solve desulfurization and host groups synchronous operation problem, the power plant that has avoided going up the desulfurizer desulfurizer that do not put into operation is stolen row's situation.
7. because, desulfuration absorbing tower is located at the inside of chimney, chimney can be supported desulfuration absorbing tower, the rigidity requirement on absorption tower itself is reduced absorption tower housing structure thickness of steel product attenuate, absorption tower investment reduction thereby make.
Description of drawings
Below, will be further described in detail specific embodiments of the present utility model in conjunction with the accompanying drawings, wherein:
Fig. 1 is the structural representation of wet method fume desulfurizing system of the present utility model.
The specific embodiment
See also Fig. 1, wet method fume desulfurizing system 1 of the present utility model comprises chimney 14, and the desulfuration absorbing tower 12 that is located at these chimney 14 inner belows.Described wet method fume desulfurizing system 1 links to each other with stove seat (not shown) by stove rear pass 2.The flue gas that the unit running produces in the stove seat enters in the wet method fume desulfurizing system 1 by stove rear pass 2.Wherein, described chimney 14 comprises chimney internal cylinder 140 and chimney urceolus 142; Desulfuration absorbing tower 12 comprises the smoke inlet 122 of below and the pure qi (oxygen) outlet 120 on top, and smoke inlet 122 is communicated with the stove seat by stove rear pass 2, and desulfuration absorbing tower 12 extends setting in described chimney 14.
The desulfuration absorbing tower 12 of being mainly of wet method fume desulfurizing system 1 of the present utility model merges with chimney 14 and arranges, gives unnecessary details so omit the conventional part of wet method fume desulfurizing system 1 do not done at this.Wherein, desulfuration absorbing tower 12 merges with chimney 14 to be arranged, constitute the merging device of desulfuration absorbing tower and chimney, briefly exactly desulfuration absorbing tower 12 is placed within the chimney 14, makes desulfuration absorbing tower 12 as a whole with 14 one-tenth in chimney of smoke evacuation, the flue gas that boiler combustion produces exports flue collector through air-introduced machine, directly enter desulfuration absorbing tower 12, desulfurization duct, baffle door, booster fan etc. need not be set, and system obtains simplifying, and saves the floor space and the investment of desulfurization facility.This layout fundamentally solves desulfurization and host groups synchronous operation problem, and the power plant that has avoided going up the desulfurizer desulfurizer that do not put into operation is stolen row's situation.And wet flue gas desulfurization absorption tower is arranged in the chimney, and chimney and desulfuration absorbing tower become one, and has made full use of the chimney lower space.
In one embodiment, described chimney 14 is the single tube chimney, described desulfuration absorbing tower 12 and chimney 14 arranged concentric, and the pure qi (oxygen) outlet 120 of described desulfuration absorbing tower 12 is connected with chimney internal cylinder 140.Under the situation that the two generators group is arranged, in order to satisfy desulfuration absorbing tower 12 and the synchronous needs that overhaul of generating set, vertical spacer body (not shown) can be set in desulfuration absorbing tower 12, handle until the clean flue gas in top, absorption tower from the bottom, absorption tower, flue gas, gypsum and the limestone slurry liquid mixture of two units are separated fully in inside, absorption tower, slurries, flue gas are not ganged up mutually, do not influence each other during maintenance.It should be understood by one skilled in the art that described spacer body can be demarcation strip or dividing wall.
In another embodiment, described chimney is two inner core chimneys, can arrange two independently absorption towers for described pair of inner core chimney in chimney, and the absorption tower outlet is connected with each self-corresponding chimney internal cylinder, but two absorption tower independent operatings or maintenance are unaffected mutually.
In addition, described desulfuration absorbing tower 12 liners are changed into lining alloy steel material, and then have been improved the reliability and the availability on absorption tower by traditional line with rubber, lining scale resin.Preferably, described alloy steel material is a nickel-base alloy, as C series abros C-276, C-22 and C-2000 etc.
Described absorption tower has spraying layer preferably among the embodiment at one, the inside and outside ferroalloy steel of the pipeline of described spraying layer or directly adopt the steel alloy manufacturing.
In another preferred embodiment, described absorption tower has demister.After chimney and absorption tower merging, under the flue gas overtemperature situation that prevents boiler, slurries internal circulating load deficiency, the demister element causes slump or aging because of overtemperature.In design, select heatproof height, material anti-aging, anticorrosive, long service life to make demister, except conventional demister flushing water is set, also should consider the cooling measure of demister overtemperature prote simultaneously.The material of described demister can be the polypropylene material material or the alloy material high temperature resistant and corrosion of high temperature resistant and corrosion.
Below, the course of work of wet method fume desulfurizing system 1 of the present utility model is described:
At first, the flue gas that produces in the boiler combustion enters in the wet method fume desulfurizing system 1 of the present utility model by stove rear pass 2.More specifically, flue gas is by stove rear pass 2, enters the desulfuration absorbing tower 12 of wet method fume desulfurizing system 1 from the smoke inlet 122 of desulfuration absorbing tower 12.
Then, in desulfuration absorbing tower 12, flue gas becomes clean flue gas through absorption, demist, and the pure qi (oxygen) outlet 120 by desulfuration absorbing tower 12 at last is expelled in the chimney internal cylinder 140 of chimney 14.The condensed water that clean flue gas produces in chimney internal cylinder 140 can directly be recovered in the desulfuration absorbing tower 12.
By adopting wet method fume desulfurizing system of the present utility model, make system obtain simplifying, saved station service and operating cost, reduced desulfurization and host groups synchronous operation problem, the power plant that has also avoided going up the desulfurizer situation that desulfurizer is arranged steathily that do not put into operation.For example, for the 600MW unit, resistance increases 1mbar, and the booster fan power consumption increases 100KW/h.After absorption tower and chimney merge,, do not establish booster fan again, but every about 1200KW/h of unit energy efficient has saved maintenance cost simultaneously owing to there is not desulfurization duct.
Though describe the utility model in detail with reference to specific embodiments, it is pointed out that these embodiments only are used for understanding better the utility model.It will be apparent to those skilled in that under the situation that does not depart from spirit and scope of the present utility model, making some variations and revise on the basis of the foregoing description all is the scope that the utility model is protected.
Claims (8)
1. a wet method fume desulfurizing system is characterized in that, described wet method fume desulfurizing system comprises chimney, and the desulfuration absorbing tower that is located at below, described chimney inside.
2. wet method fume desulfurizing system according to claim 1 is characterized in that, described chimney is the single tube chimney, described desulfuration absorbing tower and chimney arranged concentric, and the outlet of described absorption tower is connected with chimney internal cylinder.
3. wet method fume desulfurizing system according to claim 2 is characterized in that, vertically is provided with spacer body in described desulfuration absorbing tower.
4. wet method fume desulfurizing system according to claim 1 is characterized in that, described chimney is two inner core chimneys, arranges two independently absorption towers in described pair of inner core chimney.
5. according to the described wet method fume desulfurizing system of the arbitrary claim of claim 1-4, it is characterized in that described desulfuration absorbing tower liner alloy material.
6. wet method fume desulfurizing system according to claim 5 is characterized in that, described alloy steel material is a nickel-base alloy.
7. wet method fume desulfurizing system according to claim 6 is characterized in that described absorption tower has spraying layer, the inside and outside ferroalloy steel of the pipeline of described spraying layer or directly adopt the steel alloy manufacturing.
8. wet method fume desulfurizing system according to claim 7 is characterized in that described absorption tower has demister, and the material of described demister is high temperature resistant and the polypropylene material material of corrosion or alloy material high temperature resistant and corrosion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201702469U CN201091835Y (en) | 2007-08-17 | 2007-08-17 | Wet method gas fume desulfuration system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201702469U CN201091835Y (en) | 2007-08-17 | 2007-08-17 | Wet method gas fume desulfuration system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201091835Y true CN201091835Y (en) | 2008-07-30 |
Family
ID=39899795
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201702469U Expired - Lifetime CN201091835Y (en) | 2007-08-17 | 2007-08-17 | Wet method gas fume desulfuration system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201091835Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104566946A (en) * | 2014-12-31 | 2015-04-29 | 关要领 | Novel water heating furnace |
-
2007
- 2007-08-17 CN CNU2007201702469U patent/CN201091835Y/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104566946A (en) * | 2014-12-31 | 2015-04-29 | 关要领 | Novel water heating furnace |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20090612 Address after: Beijing City, Dongcheng District No. 16 Andrew intercontinental building 4, zip code: 100011 Co-patentee after: Shenhua Guohua (Beijing) Electric Power Research Institute Co., Ltd. Patentee after: China Shenhua Energy Co Address before: Beijing City, Dongcheng District No. 16 Andrew intercontinental building 4, zip code: 100011 Co-patentee before: Beijing Guohua Electric Power Engineering Technology Co., Ltd. Patentee before: China Shenhua Energy Co |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20080730 |