CN205586802U - Square chest formula desulfurizing tower second grade gas -liquid flow straightener - Google Patents
Square chest formula desulfurizing tower second grade gas -liquid flow straightener Download PDFInfo
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- CN205586802U CN205586802U CN201620238077.7U CN201620238077U CN205586802U CN 205586802 U CN205586802 U CN 205586802U CN 201620238077 U CN201620238077 U CN 201620238077U CN 205586802 U CN205586802 U CN 205586802U
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- Prior art keywords
- gas
- desulfurizing tower
- liquid
- grades
- square chest
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- 239000007788 liquid Substances 0.000 title claims abstract description 77
- 230000003009 desulfurizing effect Effects 0.000 title claims abstract description 56
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 22
- 239000010959 steel Substances 0.000 claims abstract description 22
- 239000002002 slurry Substances 0.000 claims abstract description 6
- 238000005507 spraying Methods 0.000 claims description 14
- 238000013459 approach Methods 0.000 claims description 12
- 239000007921 spray Substances 0.000 claims description 6
- 239000007789 gas Substances 0.000 abstract description 21
- 238000006477 desulfuration reaction Methods 0.000 abstract description 17
- 230000023556 desulfurization Effects 0.000 abstract description 13
- 239000000428 dust Substances 0.000 abstract description 8
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 abstract description 7
- 239000003546 flue gas Substances 0.000 abstract description 7
- 238000006243 chemical reaction Methods 0.000 abstract description 3
- 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
- 239000000779 smoke Substances 0.000 abstract 1
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 13
- 238000010276 construction Methods 0.000 description 4
- 239000003500 flue dust Substances 0.000 description 4
- 238000011161 development Methods 0.000 description 3
- 230000005611 electricity Effects 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
- 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
- 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
- GQPLMRYTRLFLPF-UHFFFAOYSA-N Nitrous Oxide Chemical class [O-][N+]#N GQPLMRYTRLFLPF-UHFFFAOYSA-N 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 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
- 238000013461 design Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation 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
- 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
- 239000011593 sulfur Substances 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
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- Treating Waste Gases (AREA)
Abstract
The utility model relates to a square chest formula desulfurizing tower second grade gas -liquid flow straightener, include: a plurality of gas -liquid matrix piece that flow equalizes, it all arranges and connects into whole along the tiling of desulfurizing tower cross section, and every gas -liquid is flow equalized the matrix piece and is formed by the vertical parallel arrangement's of a plurality of steel sheet, the steel sheet is straight board, the steel sheet equidistance is arranged, the gas -liquid is flow equalized the junction of matrix piece and is equipped with triangle -shaped and prevents the hawk. The air current carries out rotatory disturbance among the desulfurizing tower second grade gas -liquid flow straightener, 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 two grades of gas-liquid current equalizers of square chest type desulfurizing tower.
Background technology
Along with China's economic development, electricity needs persistently increases, haze long lasting effect, controls PM2.5 and refer to agenda.Local government, electric power enterprise propose " minimum discharge ", " near-zero release ", the construction of " reaching combustion engine discharge standard " or transformation requirement one after another." minimum discharge " technology, scientific guidance Thermal Power Generation Industry 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) " Air Pollutant Emission of keeping under strict control.Newly-built Thermal generation unit (be contained in and build the unit having included country's construction of fire and electricity planning with project in) answers synchronized construction advanced person's high-efficiency desulfurization, denitration and dust removal installation, must not arrange gas bypass passage.Eastern region (11 provinces and cities such as Liaoning, Beijing, Tianjin, Hebei, Shandong, Shanghai, Jiangsu, Zhejiang, Fujian, Guangdong, Hainan) newly-built Thermal generation unit Air Pollutant Emission concentration basically reaches gas turbine group emission limit (i.e. under the conditions of benchmark oxygen content 6%, flue dust, sulfur dioxide, discharged nitrous oxides concentration are respectively no higher than 10,35,50 milligrams/cubic metre).Middle part (8 provinces such as Heilungkiang, Jilin, Shanxi, Anhui, Hubei, Hunan, Henan, Jiangxi) new-built unit is in principle close to or up gas turbine group emission limit.Encourage west area new-built unit close to or up gas turbine group emission limit, support that the removing of atmosphere pollution combination and cooperation is carried out in synchronization, reduce the pollutant emissions such as sulfur trioxide, hydrargyrum, arsenic.In tradition flue gas desulphurization system, desulfurization discharge efficiency is less than 95%, desulfurization outlet drain is that flue dust, sulfur dioxide emissioning concentration are respectively greater than 20,100 milligrams/cubic metre, is also not reaching to minimum discharge requirement (flue dust, sulfur dioxide emissioning concentration are respectively no higher than 10,35 milligrams/cubic metre).Existing apparatus is 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%, and desulfurizer exiting flue gas amount is 246200Nm3/h.Existing desulfurization equipment cannot meet minimum discharge outlet sulfur dioxide (SO2) ＜ 20mg/Nm3, outlet dust concentration be 5mg/Nm3Emission request, the most existing desulphurization system can not meet minimum discharge and run emission request, therefore need to transform generator set desulfurization reaction unit.
Utility model content
For solving the problems referred to above, the purpose of this utility model is to provide a kind of two grades of gas-liquid current equalizers of square chest type desulfurizing tower.
The purpose of this utility model is achieved through the following technical solutions:
A kind of two grades of gas-liquid current equalizers of square chest type desulfurizing tower, described square chest type desulfurizing tower includes: gas approach, and 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 gas approach；Spray portion, it is arranged on inside desulfurizing tower, is positioned at the top of described gas approach, and described spray portion is provided with 5 spraying layers, each spraying layer is equipped with several nozzles；Two grades of gas-liquid current equalizers, including two gas-liquid homogenizing plates, it is respectively along desulfurizing tower cross sectional arrangement, and is arranged between gas approach and third layer spraying layer and the 4th layer of spraying layer, and described gas-liquid homogenizing plate includes:
Several gas-liquid homogenizing plate modules, it is all along desulfurizing tower cross section tiled arrangements and connect into entirety, and each gas-liquid homogenizing plate module is formed by the steel plate of several parallel longitudinal arrangements, and described steel plate is equidistant placement between straight plate, and described steel plate；The junction of described gas-liquid homogenizing plate module is provided with the anti-hawk of triangle.
Further, each gas-liquid the most a length of 3991mm of homogenizing plate module, a width of 680mm, high 300mm.
Further, the spacing between described steel plate is 57mm.
Further, described two grades of gas-liquid current equalizers are 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 gas-liquid homogenizing plate are separately fixed on the pillar of desulfurizing tower.
Further, described gas-liquid homogenizing plate is provided with I-beam bottom the intersection of desulfurizing tower surrounding wallboard.
Further, the junction every 1,2,3 or 4 gas-liquid homogenizing plate modules is provided with the anti-hawk of triangle.
The beneficial effects of the utility model are:
Two grades of gas-liquid current equalizers of square chest type desulfurizing tower described in the utility model, make entrance desulfurizing tower flue gas flow distribution more uniform, are 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, not less than 99% and desulfurization exports SO to reach desulfuration efficiency2Concentration is not more than 20mg/Nm3, outlet dust concentration is 5mg/Nm3Emission request, optimizes design, reduces cost, serves energy saving and cost lowering potentiation, has great economic implications.
Two grades of gas-liquid current equalizers of desulfurizing tower described in the utility model are time in desulfurizing tower, gas-liquid is passed through, violent disturbance mixing is produced in device, gas-liquid can be made on device top to form superposed layer, 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 desulfuration efficiency is improved 4%～5%.
In two grades of gas-liquid current equalizers of desulfurizing tower described in the utility model, air-flow carries out the disturbance rotated, and makes gas-liquid more be fully contacted increase desulphurization reaction area, the flue dust in gas-liquid and gypsum slurries is removed simultaneously, reach dedusting purpose.
The advantages such as two grades of gas-liquid current equalizers of desulfurizing tower described in the utility model have that desulfuration efficiency is high, energy consumption is low, resistance is little (resistance only has 150Pa), simple in construction, maintenance are easy to maintenance, it is adaptable to the newly-built desulfurizing item of the middle and high sulfur coal that burns and desulfurization renovation and improving project.Described two grades of gas-liquid current equalizers make flue gas flow field distribution more uniform, unbiased flow short-circuit dead band, and resistance is low, make flue gas flow field distribution more uniform, and without bias current, resistance is low, alleviates the abrasion of upstream device, extends service life.
Accompanying drawing explanation
Fig. 1 is the structural representation of the desulfurizing tower being provided with two grades of gas-liquid current equalizers described in the utility model；
Fig. 2 is the structural representation of gas-liquid 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 gas-liquid homogenizing plate module junction described in the utility model；
Fig. 6 is gas-liquid 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 drawings and Examples, this utility model is further elaborated.Should be appreciated that specific embodiment described herein, only in order to explain this utility model, is not used to limit this utility model.
A kind of two grades of gas-liquid current equalizers of square chest type desulfurizing tower, as it is shown in figure 1, described square chest type desulfurizing tower includes: gas approach, 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 gas approach；Spray portion, it is arranged on inside desulfurizing tower, is positioned at the top of described gas approach, and described spray portion is provided with 5 spraying layers, each spraying layer is equipped with several nozzles；Two grades of gas-liquid current equalizers, including two gas-liquid homogenizing plates, it is respectively along desulfurizing tower cross sectional arrangement, and is arranged between gas approach and ground floor spraying layer between third layer spraying layer and the 4th layer of spraying layer, as in figure 2 it is shown, gas-liquid homogenizing plate includes:
Several gas-liquid homogenizing plate modules, it is all along desulfurizing tower cross section tiled arrangements and connect into entirety, as shown in Figure 6, each gas-liquid homogenizing plate module is formed by the steel plate of several parallel longitudinal arrangements, described steel plate is straight plate, described steel plate equidistant placement, is respectively provided with the spacing of 57mm between it, described steel plate thickness is 3mm.As shown in Figures 3 and 4, the junction of described gas-liquid homogenizing plate module is provided with the anti-hawk of triangle, it is fixed on I-beam bottom the anti-hawk of described triangle, concrete, it is provided with the anti-hawk of triangle every the junction of 1,2,3 or 4 gas-liquid homogenizing plate modules, when the junction of described gas-liquid homogenizing plate module is not provided with the anti-hawk of triangle, the spacing between described gas-liquid homogenizing plate module is 40mm.Described gas-liquid homogenizing plate is provided with I-beam bottom the intersection of desulfurizing tower surrounding wallboard, has the spacing of 20mm between described gas-liquid homogenizing plate and desulfurizing tower surrounding wallboard.Four angles of described gas-liquid homogenizing plate are separately fixed on the pillar of desulfurizing tower.
Wherein, each gas-liquid the most a length of 3991mm of homogenizing plate module, a width of 680mm, high 300mm.
Described two grades of gas-liquid current equalizers are 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 within spirit of the present utility model and principle, any modification, equivalent substitution and improvement etc. made, within should be included in protection domain of the present utility model.
Claims (10)
1. two grades of gas-liquid current equalizers of square chest type desulfurizing tower, described square chest type desulfurizing tower includes: gas approach, and 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 gas approach；Spray portion, it is arranged on inside desulfurizing tower, is positioned at the top of described gas approach, and described spray portion is provided with 5 spraying layers, each spraying layer is equipped with several nozzles；Two grades of gas-liquid current equalizers, including two gas-liquid homogenizing plates, it is respectively along desulfurizing tower cross sectional arrangement, and is arranged between gas approach and ground floor spraying layer between third layer spraying layer and the 4th layer of spraying layer, it is characterized in that, described gas-liquid homogenizing plate includes:
Several gas-liquid homogenizing plate modules, it is all along desulfurizing tower cross section tiled arrangements and connect into entirety, and each gas-liquid homogenizing plate module is formed by the steel plate of several parallel longitudinal arrangements, and described steel plate is straight plate, and described steel plate equidistant placement；The junction of described gas-liquid homogenizing plate module is provided with the anti-hawk of triangle；
Spacing between described gas-liquid homogenizing plate module is 40mm, has the spacing of 20mm between gas-liquid homogenizing plate and desulfurizing tower surrounding wallboard.
Two grades of gas-liquid current equalizers of square chest type desulfurizing tower the most according to claim 1, it is characterised in that each gas-liquid the most a length of 3991mm of homogenizing plate module, a width of 680mm, high 300mm.
Two grades of gas-liquid current equalizers of square chest type desulfurizing tower the most according to claim 1, it is characterised in that the spacing between described steel plate is 57mm.
Two grades of gas-liquid current equalizers of square chest type desulfurizing tower the most according to claim 1, it is characterised in that described two grades of gas-liquid current equalizers are made up of 2205 rustless steels.
Two grades of gas-liquid current equalizers of square chest type desulfurizing tower the most according to claim 1, it is characterised in that described steel plate thickness is 3～6mm.
Two grades of gas-liquid current equalizers of square chest type desulfurizing tower the most according to claim 5, it is characterised in that described steel plate thickness is 3mm.
Two grades of gas-liquid current equalizers of square chest type desulfurizing tower the most according to claim 1, it is characterised in that be fixed on I-beam bottom the anti-hawk of described triangle.
Two grades of gas-liquid current equalizers of square chest type desulfurizing tower the most according to claim 1, it is characterised in that four angles of described gas-liquid homogenizing plate are separately fixed on the pillar of desulfurizing tower.
Two grades of gas-liquid current equalizers of square chest type desulfurizing tower the most according to claim 1, it is characterised in that described gas-liquid homogenizing plate is provided with I-beam bottom the intersection of desulfurizing tower surrounding wallboard.
Two grades of gas-liquid current equalizers of square chest type desulfurizing tower the most according to claim 1, it is characterised in that be provided with the anti-hawk of triangle every the junction of 1,2,3 or 4 gas-liquid homogenizing plate modules.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620238077.7U CN205586802U (en) | 2016-03-24 | 2016-03-24 | Square chest formula desulfurizing tower second grade gas -liquid flow straightener |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620238077.7U CN205586802U (en) | 2016-03-24 | 2016-03-24 | Square chest formula desulfurizing tower second grade gas -liquid flow straightener |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205586802U true CN205586802U (en) | 2016-09-21 |
Family
ID=56930240
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620238077.7U Expired - Fee Related CN205586802U (en) | 2016-03-24 | 2016-03-24 | Square chest formula desulfurizing tower second grade gas -liquid flow straightener |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205586802U (en) |
-
2016
- 2016-03-24 CN CN201620238077.7U patent/CN205586802U/en not_active Expired - Fee Related
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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 |
Granted publication date: 20160921 |
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| CF01 | Termination of patent right due to non-payment of annual fee |