CN205517206U - High -efficient dust removal flow straightener of square chest formula desulfurizing tower - Google Patents
High -efficient dust removal flow straightener of square chest formula desulfurizing tower Download PDFInfo
- Publication number
- CN205517206U CN205517206U CN201620238073.9U CN201620238073U CN205517206U CN 205517206 U CN205517206 U CN 205517206U CN 201620238073 U CN201620238073 U CN 201620238073U CN 205517206 U CN205517206 U CN 205517206U
- Authority
- CN
- China
- Prior art keywords
- desulfurizing tower
- current equalizer
- square chest
- dedusting
- chest type
- 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 - Fee Related
Links
- 230000003009 desulfurizing effect Effects 0.000 title claims abstract description 50
- 239000000428 dust Substances 0.000 title abstract description 15
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 22
- 239000010959 steel Substances 0.000 claims abstract description 22
- 239000000779 smoke Substances 0.000 claims abstract description 11
- 239000002002 slurry Substances 0.000 claims abstract description 7
- 238000005507 spraying Methods 0.000 claims description 10
- 239000007921 spray Substances 0.000 claims description 7
- 239000000203 mixture Substances 0.000 claims description 2
- 235000019504 cigarettes Nutrition 0.000 claims 1
- 238000006477 desulfuration reaction Methods 0.000 abstract description 17
- 230000023556 desulfurization Effects 0.000 abstract description 14
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 abstract description 9
- 239000003546 flue gas Substances 0.000 abstract description 9
- 239000007788 liquid Substances 0.000 abstract description 9
- 239000007789 gas Substances 0.000 abstract description 7
- 238000006243 chemical reaction Methods 0.000 abstract description 2
- 229910052602 gypsum Inorganic materials 0.000 abstract description 2
- 239000010440 gypsum Substances 0.000 abstract description 2
- 239000011159 matrix material Substances 0.000 abstract 3
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 14
- 239000003500 flue dust Substances 0.000 description 6
- 238000010276 construction Methods 0.000 description 3
- 239000000809 air pollutant Substances 0.000 description 2
- 231100001243 air pollutant Toxicity 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 239000003245 coal Substances 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000011593 sulfur Substances 0.000 description 2
- 229910052717 sulfur Inorganic materials 0.000 description 2
- AKEJUJNQAAGONA-UHFFFAOYSA-N sulfur trioxide Chemical compound O=S(=O)=O AKEJUJNQAAGONA-UHFFFAOYSA-N 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 239000005864 Sulphur Substances 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 229910052785 arsenic Inorganic materials 0.000 description 1
- RQNWIZPPADIBDY-UHFFFAOYSA-N arsenic atom Chemical compound [As] RQNWIZPPADIBDY-UHFFFAOYSA-N 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000002262 irrigation Effects 0.000 description 1
- 238000003973 irrigation Methods 0.000 description 1
- 230000005923 long-lasting effect Effects 0.000 description 1
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 1
- DOTMOQHOJINYBL-UHFFFAOYSA-N molecular nitrogen;molecular oxygen Chemical compound N#N.O=O DOTMOQHOJINYBL-UHFFFAOYSA-N 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 238000009418 renovation Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 230000005619 thermoelectricity Effects 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- Treating Waste Gases (AREA)
Abstract
The utility model relates to a high -efficient dust removal flow straightener of square chest formula desulfurizing tower, including a plurality of arc matrix piece that flow equalizes that removes dust, it arranges and connects into whole along the tiling of desulfurizing tower cross section, and every arc removes dust and flow equalizes the matrix piece and form by the vertical parallel arrangement's of a plurality of steel sheet, the steel sheet is the middle crooked board that is the arc recess, just the steel sheet equidistance is arranged, the arc removes dust and to flow equalize the junction of matrix piece and be equipped with triangle -shaped and prevent the hawk. Dust removal flow straightener air current carries out rotatory disturbance, and it increases the flue gas desulfurization reaction area to make the gas -liquid more fully contact, removes smoke and dust in the gas -liquid and gypsum slurry simultaneously, reaches the dust removal purpose.
Description
Technical field
This utility model relates to a kind of square chest type desulfurizing tower high-effective dust-removing current equalizer.
Background technology
Along with China's economic development, electricity needs persistently increases, haze long lasting effect, controls PM2.5
Refer to agenda.Local government, electric power enterprise propose " minimum discharge ", " near-zero release " one after another, " reach
To combustion engine discharge standard " construction or transformation requirement." minimum discharge " technology, scientific guidance Thermal Power Generation Industry can
Sustainable development ultra-clean is discharged.
State Development and Reform Commission prints and distributes " coal electricity energy-saving and emission-reduction upgrading and transformation action plan (2014-2020) "
Keep under strict control Air Pollutant Emission.Newly-built Thermal generation unit (be contained in build included in project country thermoelectricity build
If the unit of planning) answer synchronized construction advanced person's high-efficiency desulfurization, denitration and dust removal installation, flue gas must not be set
Bypass channel.Eastern region (Liaoning, Beijing, Tianjin, Hebei, Shandong, Shanghai, Jiangsu, Zhejiang,
11 provinces and cities such as Fujian, Guangdong, Hainan) newly-built Thermal generation unit Air Pollutant Emission concentration reaches substantially
To gas turbine group emission limit (i.e. under the conditions of benchmark oxygen content 6%, flue dust, sulfur dioxide, nitrogen oxygen
Compound concentration of emission is respectively no higher than 10,35,50 milligrams/cubic metre).Middle part (Heilungkiang, Ji
8 provinces such as woods, Shanxi, Anhui, Hubei, Hunan, Henan, Jiangxi) new-built unit in principle close to or
Reach gas turbine group emission limit.West area new-built unit is encouraged to arrange close to or up gas turbine group
Put limit value, support that the removing of atmosphere pollution combination and cooperation is carried out in synchronization, reduce sulfur trioxide, hydrargyrum, arsenic etc.
Pollutant emission.In tradition flue gas desulphurization system, desulfurization discharge efficiency is less than 95%, desulfurization outlet drain
It is respectively greater than 20,100 milligrams/cubic metre for flue dust, sulfur dioxide emissioning concentration, is also not reaching to ultralow
Emission request (flue dust, sulfur dioxide emissioning concentration are respectively no higher than 10,35 milligrams/cubic metre).Existing dress
Put at desulfurization entrance SO2Concentration 3420mg/Nm3Time, desulfurization entrance dust concentration is 24mg/Nm3Time,
Desulfurization outlet SO2Concentration is 180mg/Nm3, outlet dust concentration is 20mg/Nm3, desulfuration efficiency is
95%, desulfurizer exiting flue gas amount is 246200Nm3/h.Existing desulfurization equipment cannot meet super
Low emission outlet sulfur dioxide (SO2) ＜ 20mg/Nm3, outlet dust concentration be 5mg/Nm3Discharge is wanted
Asking, the most existing desulphurization system can not meet minimum discharge and run emission request, therefore need to be anti-to generator set desulfurization
Device is answered to transform.
Utility model content
For solving the problems referred to above, the purpose of this utility model is to provide a kind of square chest type desulfurizing tower efficiently to remove
Dirt current equalizer.
The purpose of this utility model is achieved through the following technical solutions:
A kind of square chest type desulfurizing tower high-effective dust-removing current equalizer, described square chest type desulfurizing tower includes: flue gas enters
Mouthful, it is arranged on the middle lower section of desulfurizing tower side；Exhanst gas outlet, it is arranged on the top of desulfurizing tower side；
Slurry tank, it is arranged on the internal bottom side of desulfurizing tower, is positioned at the lower section of described smoke inlet；Spray portion, its
Being arranged on inside desulfurizing tower, be positioned at the top of described smoke inlet, described spray portion is provided with multiple spraying layer,
Several nozzles it are equipped with on each spraying layer；Dedusting current equalizer, it is along desulfurizing tower cross sectional arrangement,
And be arranged between smoke inlet and ground floor spraying layer, including:
Several arc dedusting homogenizing plate modules, it is all along desulfurizing tower cross section tiled arrangements and connect into whole
Body, each arc dedusting homogenizing plate module is formed by the steel plate of several parallel longitudinal arrangements, described steel
Plate is the twisted plate of middle curved groove, and described steel plate equidistant placement；Described arc dedusting homogenizing plate
The junction of module is provided with the anti-hawk of triangle.
Further, each arc dedusting the most a length of 3991mm of homogenizing plate module, a width of 1800mm are high
477mm。
Further, the spacing between described steel plate is 70mm.
Further, described dedusting current equalizer is made up of 2205 rustless steels.
Further, described steel plate thickness is 3～6mm.
Further, described steel plate thickness is 3mm.
Further, it is fixed on I-beam bottom the anti-hawk of described triangle.
Further, four angles of described dedusting current equalizer are separately fixed on the pillar of desulfurizing tower.
Further, described dedusting current equalizer is provided with I-shaped bottom the intersection of desulfurizing tower surrounding wallboard
Beam.
Further, the junction every 1,2,3 or 4 arc dedusting homogenizing plate modules is provided with triangle
Anti-hawk.
The beneficial effects of the utility model are:
Square chest type desulfurizing tower high-effective dust-removing current equalizer described in the utility model, makes entrance desulfurizing tower flue gas
Flow distribution is more uniform, is more uniformly distributed improving gas-to-liquid contact, can guarantee that at desulfurization entrance SO2Concentration is
3420mg/Nm3Time, desulfurization entrance dust concentration is 24mg/Nm3Time, reach desulfuration efficiency not less than 99%
And desulfurization outlet SO2Concentration is not more than 20mg/Nm3, outlet dust concentration is 5mg/Nm3Emission request,
Optimize design, reduce cost, serve energy saving and cost lowering potentiation, there is great economic implications.
Dedusting current equalizer described in the utility model time gas-liquid is passed through in desulfurizing tower, produces play in device
Strong disturbance mixing, can make gas-liquid form superposed layer on device top, thus increase gas-to-liquid contact surface area,
Extend the serosity time of staying and response time, make flue gas and slurry liquid contacts surface more abundant, so that de-
Sulphur efficiency is improved 4%～5%, and arc dedusting homogenizing plate module can be inhaled entering flue dust in desulfurizing tower
It is attached in arc groove, forms dust mucous layer, by the spray irrigation of spraying layer above (flushing water)
Fall in slurry pool, reach the purpose of de-dirt.
Dedusting current equalizer air-flow described in the utility model carries out the disturbance rotated, and makes gas-liquid more fully connect
Touch and increase desulphurization reaction area, the flue dust in gas-liquid and gypsum slurries are removed simultaneously, reach dedusting purpose.
Dedusting current equalizer described in the utility model has that desulfuration efficiency is high, energy consumption is low, the little (resistance of resistance
Only 150Pa), the advantage such as simple in construction, maintenance be easy to maintenance, it is adaptable to the new of middle and high sulfur coal of burning
Build desulfurizing item and desulfurization renovation and improving project.Described dedusting current equalizer makes flue gas flow field distribution more equal
Even, unbiased flow short-circuit dead band, resistance is low, makes flue gas flow field distribution more uniform, and without bias current, resistance is low,
Alleviate the abrasion of upstream device, extend service life.
Accompanying drawing explanation
Fig. 1 is the structural representation of the desulfurizing tower being provided with dedusting current equalizer described in the utility model；
Fig. 2 is the structural representation of dedusting current equalizer described in the utility model；
Fig. 3 is the sectional drawing in 1-1 face in Fig. 2；
Fig. 4 is the sectional drawing in 2-2 face in Fig. 2；
Fig. 5 is the structural representation of arc dedusting homogenizing plate module junction described in the utility model；
Fig. 6 is arc dedusting homogenizing plate module sectional drawing described in the utility model.
Detailed description of the invention
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with attached
Figure and embodiment, be further elaborated to this utility model.Should be appreciated that described herein
Specific embodiment, only in order to explain this utility model, is not used to limit this utility model.
A kind of square chest type desulfurizing tower high-effective dust-removing current equalizer, as it is shown in figure 1, described square chest type desulfurizing tower
Including: smoke inlet, it is arranged on the middle lower section of desulfurizing tower side；Exhanst gas outlet, it is arranged on desulfurization
The top of tower side；Slurry tank, it is arranged on the internal bottom side of desulfurizing tower, is positioned under described smoke inlet
Side；Spray portion, it is arranged on inside desulfurizing tower, is positioned at the top of described smoke inlet, described spray portion
It is provided with multiple spraying layer, each spraying layer is equipped with several nozzles；Dedusting current equalizer, it is along de-
Sulfur tower cross sectional arrangement, and be arranged between smoke inlet and ground floor spraying layer, as in figure 2 it is shown, bag
Include:
Several arc dedusting homogenizing plate modules, it is all along desulfurizing tower cross section tiled arrangements and connect into whole
Body, as shown in Figure 6, each arc dedusting homogenizing plate module is by the steel plate of several parallel longitudinal arrangements
Composition, described steel plate is the twisted plate of middle curved groove, and described steel plate equidistant placement, between it
It is respectively provided with the spacing of 70mm；As shown in Figure 3,4, between having between described arc dedusting homogenizing plate module
Away from, it is provided with the anti-hawk of triangle every the junction of 1,2,3 or 4 arc dedusting homogenizing plate modules, makes
Flue dust is not deposited on surface, to alleviate apparatus of load, is fixed on I-beam bottom the anti-hawk of described triangle
On.When the junction of described arc dedusting homogenizing plate module is not provided with the anti-hawk of triangle, described arc
Spacing between dedusting homogenizing plate module is 40mm.Four angles of described dedusting current equalizer are separately fixed at
On the pillar of desulfurizing tower.Described dedusting current equalizer is provided with work bottom the intersection of desulfurizing tower surrounding wallboard
Word beam, has the spacing of 20mm between described arc dedusting current equalizer and desulfurizing tower surrounding wallboard.
Each arc dedusting the most a length of 3991mm of homogenizing plate module, a width of 1800mm, high 477mm.
Described steel plate thickness is 3mm.Described dedusting current equalizer is made up of 2205 rustless steels.
The foregoing is only preferred embodiment of the present utility model, be not limited to this utility model,
For a person skilled in the art, this utility model can have various modifications and variations.All in this reality
Within novel spirit and principle, any modification, equivalent substitution and improvement etc. made, all should comprise
Within protection domain of the present utility model.
Claims (10)
1. a square chest type desulfurizing tower high-effective dust-removing current equalizer, described square chest type desulfurizing tower bag
Including: smoke inlet, it is arranged on the middle lower section of desulfurizing tower side；Exhanst gas outlet, it is arranged on
The top of desulfurizing tower side；Slurry tank, it is arranged on the internal bottom side of desulfurizing tower, is positioned at described cigarette
The lower section of gas entrance；Spray portion, it is arranged on inside desulfurizing tower, is positioned at described smoke inlet
Top, described spray portion is provided with multiple spraying layer, each spraying layer is equipped with several nozzles；
Dedusting current equalizer, it is along desulfurizing tower cross sectional arrangement, and is arranged in smoke inlet and ground floor
Between spraying layer, it is characterised in that including:
Several arc dedusting homogenizing plate modules, it is all along desulfurizing tower cross section tiled arrangements and connect
Being connected into entirety, each arc dedusting homogenizing plate module is by the steel plate of several parallel longitudinal arrangements
Composition, described steel plate is the twisted plate of middle curved groove, and described steel plate equidistant placement；
The junction of described arc dedusting homogenizing plate module is provided with the anti-hawk of triangle.
Square chest type desulfurizing tower high-effective dust-removing current equalizer the most according to claim 1, its
It is characterised by, each arc dedusting the most a length of 3991mm of homogenizing plate module, a width of 1800mm,
High 477mm.
Square chest type desulfurizing tower high-effective dust-removing current equalizer the most according to claim 1, its
Being characterised by, the spacing between described steel plate is 70mm.
Square chest type desulfurizing tower high-effective dust-removing current equalizer the most according to claim 1, its
Being characterised by, described dedusting current equalizer is made up of 2205 rustless steels.
Square chest type desulfurizing tower high-effective dust-removing current equalizer the most according to claim 1, its
Being characterised by, described steel plate thickness is 3～6mm.
Square chest type desulfurizing tower high-effective dust-removing current equalizer the most according to claim 5, its
Being characterised by, described steel plate thickness is 3mm.
Square chest type desulfurizing tower high-effective dust-removing current equalizer the most according to claim 1, its
It is characterised by, is fixed on I-beam bottom the anti-hawk of described triangle.
Square chest type desulfurizing tower high-effective dust-removing current equalizer the most according to claim 1, its
Being characterised by, four angles of described dedusting current equalizer are separately fixed on the pillar of desulfurizing tower.
Square chest type desulfurizing tower high-effective dust-removing current equalizer the most according to claim 1, its
Being characterised by, described dedusting current equalizer is provided with work bottom the intersection of desulfurizing tower surrounding wallboard
Word beam.
Square chest type desulfurizing tower high-effective dust-removing current equalizer the most according to claim 1, its
It is characterised by, is provided with triangle every the junction of 1,2,3 or 4 arc dedusting homogenizing plate modules
The anti-hawk of shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620238073.9U CN205517206U (en) | 2016-03-24 | 2016-03-24 | High -efficient dust removal flow straightener of square chest formula desulfurizing tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620238073.9U CN205517206U (en) | 2016-03-24 | 2016-03-24 | High -efficient dust removal flow straightener of square chest formula desulfurizing tower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205517206U true CN205517206U (en) | 2016-08-31 |
Family
ID=56785131
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620238073.9U Expired - Fee Related CN205517206U (en) | 2016-03-24 | 2016-03-24 | High -efficient dust removal flow straightener of square chest formula desulfurizing tower |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205517206U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105749718A (en) * | 2016-03-24 | 2016-07-13 | 大唐环境产业集团股份有限公司 | Efficient dust removing and flow equilibrating device of square-box type desulfurizing tower |
-
2016
- 2016-03-24 CN CN201620238073.9U patent/CN205517206U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105749718A (en) * | 2016-03-24 | 2016-07-13 | 大唐环境产业集团股份有限公司 | Efficient dust removing and flow equilibrating device of square-box type desulfurizing tower |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160831 |