CN205925404U - Efficiency of desulfurizing tower desulfurization is improved device - Google Patents
Efficiency of desulfurizing tower desulfurization is improved device Download PDFInfo
- Publication number
- CN205925404U CN205925404U CN201620857511.XU CN201620857511U CN205925404U CN 205925404 U CN205925404 U CN 205925404U CN 201620857511 U CN201620857511 U CN 201620857511U CN 205925404 U CN205925404 U CN 205925404U
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- CN
- China
- Prior art keywords
- flue
- undergauge
- desulfurizing tower
- flue gas
- desulfuration efficiency
- 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.)
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- 230000003009 desulfurizing effect Effects 0.000 title claims abstract description 52
- 238000006477 desulfuration reaction Methods 0.000 title claims abstract description 28
- 230000023556 desulfurization Effects 0.000 title claims abstract description 10
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims abstract description 29
- 239000003546 flue gas Substances 0.000 claims abstract description 29
- 206010022000 influenza Diseases 0.000 claims abstract description 12
- 238000006243 chemical reaction Methods 0.000 abstract description 4
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 abstract description 3
- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 abstract description 3
- ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 abstract description 3
- 239000000292 calcium oxide Substances 0.000 abstract description 3
- 239000007787 solid Substances 0.000 abstract description 2
- 239000005864 Sulphur Substances 0.000 abstract 1
- 230000015572 biosynthetic process Effects 0.000 abstract 1
- 239000007788 liquid Substances 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 4
- 239000000779 smoke Substances 0.000 description 3
- 235000019504 cigarettes Nutrition 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000011593 sulfur Substances 0.000 description 2
- 229910052717 sulfur Inorganic materials 0.000 description 2
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
Abstract
The utility model discloses an efficiency of desulfurizing tower desulfurization is improved device, including desulfurizing tower and flue, the flue includes a flue collector, a plurality of minutes flues and a plurality of undergauge flue, the flue that the undergauge flue reduces for the flue cross -section along flue gas flow direction gradually, every undergauge flue is through dividing the flue to be connected with the flue collector, and the lower part of desulfurizing tower is all connected to every undergauge flue, and the exit end of every undergauge flue is all tangent with desulfurizing tower axial cross -section, and the messenger all makes annular motion along the desulfurizing tower inner wall through the flue gas of every undergauge flue entering desulfurizing tower, and the annular motion direction homogeneous phase of per pass flue gas together. Improve flue gas velocity through the undergauge flue and set up with undergauge flue tangential, make the flue gas efflux can follow the desulfurizing tower inner wall and make the rotatory air current of annular motion formation, increased the stroke of flue gas for the calcium oxide liquid drop is mixed more even with SO2, and the reaction rate is faster, thereby makes solid sulphur reaction more thorough, the increase of desulfurization efficiency.
Description
Technical field
This utility model is related to thermal power plant field of Environment Protection and in particular to a kind of raising wet desulphurization tower desulfuration efficiency
Device.
Background technology
Wet desulphurization tower is SO in a kind of absorption flue gas2Device, flue gas is mixed into a road after two air-introduced machines are discharged
Enter desulfurizing tower, the calcium oxide solution that in desulfurizing tower, flue gas is projected with top spraying layer is expelled to chimney after reacting, big in flue gas
Part SO2Absorbed to bottom of towe slurry pool by solution.Because environmental protection standard tends to strict, by the desulfurization of original discharge standard design
Tower can not meet requirement, and power plant adopts to increase former desulfurization tower height degree or install secondary desulfuration tower mode additional more to be wanted with meeting discharge
Ask, but the unfavorable factor such as big, long in time limit is invested in the method presence increasing desulfurization tower height degree, install the method investment of secondary desulfuration tower additional
Problem big and that no suitable area construction often occurs.
Utility model content
For overcoming the defect of prior art, this utility model provides a kind of device improving desulfurizing tower desulfuration efficiency, both
Investment can be reduced moreover it is possible to provide desulfuration efficiency.
For achieving the above object, the technical solution of the utility model is:
A kind of improve desulfurizing tower desulfuration efficiency device, including desulfurizing tower and flue, described flue include a flue collector,
Some points of flues and some undergauge flues, described undergauge flue is the cigarette that is gradually reduced of flue cross section along flow of flue gas direction
Road;Each undergauge flue is connected with flue collector by a point flue, and each undergauge flue is all connected with the bottom of desulfurizing tower, and each contracting
The port of export of footpath flue all with desulfurizing tower axial direction section tangent, make through each undergauge flue enter desulfurizing tower flue gas all along take off
Sulfur inner wall of tower makees circulatory motion, and the circulatory motion direction all same of per pass flue gas.
Preferably, the port of export of each undergauge flue is all diagonally downward.
Preferably, described some undergauge flues are evenly distributed in the tower wall of desulfurizing tower.
Preferably, described point of flue and undergauge flue are two, and two undergauge flues are distributed in the relative of desulfurizing tower
Side.
Preferably, the axial cross section of the entrance point of described undergauge flue amasss the axial direction of the port of export being described undergauge flue and cuts
3-5 times of area.
Preferably, described flue collector connects air-introduced machine.
Preferably, described desulfurizing tower is wet desulphurization tower.
The beneficial effects of the utility model are:
1. this utility model improves, using undergauge flue, the speed injecting desulfurization tower flue gas, so that flue gas is diffused to rapidly whole
Individual desulfurizing tower axial cross section, to increase the contact velocity of flue gas and desulfurizing tower internal oxidition calcium drop, undergauge flue is tangentially-arranged can
Improve flue gas stroke in desulfurizing tower, increase flue gas residence time, make SO2Reaction is more abundant;Meanwhile, improved by undergauge flue
Velocity of flue gas is tangentially-arranged with undergauge flue, enables smoke gas jet to make circulatory motion along desulfurization inner wall of tower and forms swirling eddy,
Further increase the stroke of flue gas so that calcium oxide drop and SO2Mixing evenly, response speed faster so that solid sulfur
Reaction is more thorough, and desulfuration efficiency increases.
2. this utility model by the port of export of undergauge flue diagonally downward so that smoke gas jet can along desulfurization inner wall of tower to
Under for the helical movement, take full advantage of the inner space of desulfurizing tower, further increase the stroke of flue gas, thus increasing further
Desulfuration efficiency.
3. this utility model structure is simple, small investment, equipment is changed little, the scope of application is wider.
Brief description
Fig. 1 is top view of the present utility model;
Fig. 2 is the front view of this utility model embodiment 1;
Fig. 3 is the front view of this utility model embodiment 2;
Wherein, 1. desulfurizing tower, 2. point flue, 3. undergauge flue.
Specific embodiment
To describe this utility model below with reference to the accompanying drawings and in conjunction with the embodiments in detail.
Embodiment 1
As shown in Figure 1-2, a kind of device improving desulfurizing tower desulfuration efficiency, including desulfurizing tower 1 and flue, desulfurizing tower 1 is
Wet desulphurization tower, flue includes a flue collector, two points of flues 2 and two undergauge flues 3, and undergauge flue 3 is along flue gas stream
The flue that the flue cross section in dynamic direction is gradually reduced;Each undergauge flue 3 is connected with flue collector by a point flue 2, each undergauge
Flue 3 is all connected with the bottom of desulfurizing tower 1, and the port of export of each undergauge flue 3 is all tangent with the section of desulfurizing tower 1 axial direction, makes
All make circulatory motion, and the annular fortune of per pass flue gas through the flue gas that each undergauge flue 3 enters desulfurizing tower 1 along desulfurizing tower 1 inwall
Dynamic direction all same.Each undergauge flue 3 is all vertical with the axis of desulfurizing tower 1.
Two undergauge flues 3 are distributed in the opposite side of desulfurizing tower 1.
The axial cross section of the entrance point of undergauge flue 3 amass the port of export being undergauge flue 3 axial cross section amass 3-5 times.
Ensure to inject 3~5 times that desulfurizing tower velocity of flue gas is speed in point flue 2.The cigarette of the port of export of undergauge flue 3 can either be increased
Gas speed, and prevent undergauge flue 3 the port of export too small, thus reducing the inlet of flue gas.
Flue collector connects air-introduced machine.
Embodiment 2
The present embodiment is same as Example 1, and difference is:As shown in figure 3, the port of export of each undergauge flue 3 is equal
Diagonally downward.Enable smoke gas jet for the helical movement downwards along desulfurizing tower 1 inwall, take full advantage of the inside of desulfurizing tower 1
Space, further increases the stroke of flue gas, thus increasing desulfuration efficiency further.
Although the above-mentioned accompanying drawing that combines is described to specific embodiment of the present utility model, not to utility model
The restriction of protection domain, one of ordinary skill in the art should be understood that on the basis of the technical solution of the utility model, this area
Technical staff does not need to pay the various modifications that creative work can make or deformation still in protection domain of the present utility model
Interior.
Claims (7)
1. a kind of device improving desulfurizing tower desulfuration efficiency, is characterized in that, including desulfurizing tower and flue, described flue includes one
Flue collector, some points of flues and some undergauge flues, described undergauge flue is gradually to subtract along the flue cross section in flow of flue gas direction
Little flue;Each undergauge flue is connected with flue collector by a point flue, and each undergauge flue is all connected with the bottom of desulfurizing tower, and
The port of export of each undergauge flue is all tangent with the section of desulfurizing tower axial direction, makes to enter the flue gas of desulfurizing tower through each undergauge flue
All make circulatory motion, and the circulatory motion direction all same of per pass flue gas along desulfurization inner wall of tower.
2. a kind of device improving desulfurizing tower desulfuration efficiency as claimed in claim 1, is characterized in that, the going out of each undergauge flue
Mouth end is all diagonally downward.
3. as claimed in claim 1 a kind of improve desulfurizing tower desulfuration efficiency device, it is characterized in that, described some undergauge flues
It is evenly distributed in the tower wall of desulfurizing tower.
4. a kind of device improving desulfurizing tower desulfuration efficiency as claimed in claim 1, is characterized in that, described point of flue and undergauge
Flue is two, and two undergauge flues are distributed in the opposite side of desulfurizing tower.
5. a kind of device improving desulfurizing tower desulfuration efficiency as claimed in claim 1, is characterized in that, the entering of described undergauge flue
The axial cross section at mouthful end amasss 3-5 times that the axial cross section of the port of export being described undergauge flue amasss.
6. a kind of device improving desulfurizing tower desulfuration efficiency as claimed in claim 1, is characterized in that, described flue collector connects and draws
Blower fan.
7. as claimed in claim 1 a kind of improve desulfurizing tower desulfuration efficiency device, it is characterized in that, described desulfurizing tower be wet type
Desulfurizing tower.
Priority Applications (1)
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CN201620857511.XU CN205925404U (en) | 2016-08-09 | 2016-08-09 | Efficiency of desulfurizing tower desulfurization is improved device |
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CN201620857511.XU CN205925404U (en) | 2016-08-09 | 2016-08-09 | Efficiency of desulfurizing tower desulfurization is improved device |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107252612A (en) * | 2017-07-11 | 2017-10-17 | 周培生 | A kind of exhaust gas treating tower of service life length |
CN111346492A (en) * | 2020-03-27 | 2020-06-30 | 国网山东省电力公司电力科学研究院 | Method for prolonging retention time of flue gas in desulfurizing tower |
CN112657322A (en) * | 2019-10-15 | 2021-04-16 | 天津大学 | Condenser for integrated treatment of dehumidification and dust removal of household garbage pyrolysis flue gas |
CN112933951A (en) * | 2021-02-01 | 2021-06-11 | 内蒙古金石镁业有限公司 | Magnesium refining furnace desulfurization dust collecting equipment |
-
2016
- 2016-08-09 CN CN201620857511.XU patent/CN205925404U/en active Active
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107252612A (en) * | 2017-07-11 | 2017-10-17 | 周培生 | A kind of exhaust gas treating tower of service life length |
CN112657322A (en) * | 2019-10-15 | 2021-04-16 | 天津大学 | Condenser for integrated treatment of dehumidification and dust removal of household garbage pyrolysis flue gas |
CN111346492A (en) * | 2020-03-27 | 2020-06-30 | 国网山东省电力公司电力科学研究院 | Method for prolonging retention time of flue gas in desulfurizing tower |
CN112933951A (en) * | 2021-02-01 | 2021-06-11 | 内蒙古金石镁业有限公司 | Magnesium refining furnace desulfurization dust collecting equipment |
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