CN204412060U - A kind of double fluid is to high efficiency lower resistance desulfurizing tower - Google Patents
A kind of double fluid is to high efficiency lower resistance desulfurizing tower Download PDFInfo
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- CN204412060U CN204412060U CN201520001660.1U CN201520001660U CN204412060U CN 204412060 U CN204412060 U CN 204412060U CN 201520001660 U CN201520001660 U CN 201520001660U CN 204412060 U CN204412060 U CN 204412060U
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- tower
- slurry
- horizontal segment
- spraying layer
- slurry pool
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- 230000003009 desulfurizing effect Effects 0.000 title claims abstract description 26
- 239000012530 fluid Substances 0.000 title claims abstract description 17
- 239000002002 slurry Substances 0.000 claims abstract description 122
- 238000005507 spraying Methods 0.000 claims abstract description 39
- 239000000463 material Substances 0.000 claims abstract description 9
- 238000007254 oxidation reaction Methods 0.000 claims abstract description 8
- 230000003647 oxidation Effects 0.000 claims abstract description 7
- 230000008901 benefit Effects 0.000 claims abstract description 4
- 238000011010 flushing procedure Methods 0.000 claims description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 9
- 239000013505 freshwater Substances 0.000 claims description 6
- 239000003595 mist Substances 0.000 claims description 4
- 238000006477 desulfuration reaction Methods 0.000 abstract description 17
- 230000023556 desulfurization Effects 0.000 abstract description 11
- 239000002594 sorbent Substances 0.000 abstract description 3
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 13
- 239000003546 flue gas Substances 0.000 description 13
- 238000010521 absorption reaction Methods 0.000 description 4
- 239000007921 spray Substances 0.000 description 4
- 239000007788 liquid Substances 0.000 description 3
- 210000002966 serum Anatomy 0.000 description 3
- 238000005728 strengthening Methods 0.000 description 3
- 238000005265 energy consumption Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 235000019738 Limestone Nutrition 0.000 description 1
- 240000008042 Zea mays Species 0.000 description 1
- 235000005824 Zea mays ssp. parviglumis Nutrition 0.000 description 1
- 235000002017 Zea mays subsp mays Nutrition 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 235000005822 corn Nutrition 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 239000010881 fly ash Substances 0.000 description 1
- 239000010440 gypsum Substances 0.000 description 1
- 229910052602 gypsum Inorganic materials 0.000 description 1
- 239000006028 limestone Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 229910052711 selenium Inorganic materials 0.000 description 1
- 239000011669 selenium Substances 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
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- Treating Waste Gases (AREA)
Abstract
A kind of double fluid is to high efficiency lower resistance desulfurizing tower, and it is characterized in that, desulfurizing tower is connected and composed by vertical section and horizontal segment top.Slurry pool in tower is provided with in vertical section tower body, top is provided with horizontal turbulent generator, vertically section spraying layer and demister successively, in tower, slurry pool and vertical section spraying layer promote slurries to vertical section spraying layer by the circulating pump on the outer pipeline of tower, and in tower, slurry pool is provided with fresh slurry and mends slurry mouth, agitator, oxidation fan and slurries excavationg pump; Be provided with horizontal segment spraying layer and demister in horizontal segment tower body, horizontal segment spraying layer and the outer slurry pool of tower have circulating pump to promote slurries to horizontal segment spraying layer, be provided with fresh slurry and mend slurry mouth in the outer slurry pool of tower; Connecting line and transfering material pump is provided with between slurry pool and the outer slurry pool of tower in tower.Desulfurizing tower adopt double fluid to, binary cycle system, two pH control, have the advantages that structure is simple, desulfuration efficiency is high, SR is low, sorbent utilization is high, be specially adapted to the desulfurization project that desulfuration efficiency requirement is high.
Description
Technical field
The utility model relates to a kind of desulfurizing tower, and particularly a kind of double fluid is to high efficiency lower resistance desulfurizing tower.
Background technology
Along with SO in China's atmosphere pollutants emission standards
2the increasingly strict and proposition of " near-zero release " of emission limit, the domestic flue gas desulphurization system generally adopted cannot reach requirement at present, need carry out desulfurizing fly ash.The proposition of high efficiency lower resistance desulfurizing tower is to SO
2reduce discharging significant.
Chinese patent (CN 2894808Y) discloses a kind of double circulation loop process for flue gas desulfurization by limestone/lime-gypsum wet device, absorption tower comprises loop, Liang Ge absorption tower, lower loop spray system, can not increase spraying layer quantity, do not increase absorption tower height condition under ensure high desulfurization efficiency.But on it, loop slurry collecting disc is placed in below the spraying layer of loop, above the spraying layer of lower loop, this complex structure, installs, maintenance, to safeguard not easily, and can increase resistance.
Chinese patent (CN 102794103A) discloses the U-shaped tower desulphurization system of a kind of Two-way Cycle and technique, slurries divider wall is set in the slurry pool of U-shaped desulfurizing tower, before being formed, circulation desulfurization district and Posterior circle desulfurization zone, reduce serum recycle amount, system energy consumption and desulfurizing tower height while ensure that high desulfurization efficiency.But U-shaped tower crushing is comparatively large, floor space can be increased at reduction desulfurizing tower height simultaneously.
Utility model content
The utility model object is to provide a kind of double fluid to high efficiency lower resistance desulfurizing tower, and solving existing desulfur technology cannot the problem of qualified discharge.
For achieving the above object, the utility model adopts following technical scheme: a kind of double fluid, to high efficiency lower resistance desulfurizing tower, comprises slurry pool, horizontal turbulent generator, spraying layer, demister, slurry circulating pump, oxidation fan, agitator, transfering material pump, slurries excavationg pump, fresh slurry benefit slurry mouth.Desulfurizing tower is connected and composed on top by vertical section and horizontal segment.
Vertical section tower body inner bottom part is provided with slurry pool in tower, slurry pool top is provided with horizontal turbulent generator, vertically section spraying layer, vertically section demister, in tower, slurry pool is connected by the outer pipeline of tower with vertical section spraying layer, pipeline is provided with vertical section slurry circulating pump and promotes slurries to vertical section spraying layer, in tower, slurry pool is provided with fresh slurry and mends slurry mouth, agitator, oxidation fan and slurries excavationg pump, the horizontal turbulent generator arranged below vertical section spraying layer impels flue gas to contact with desulfurization slurry turbulent flow, strengthening gas-liquid mass transfer, can improve desulfuration efficiency;
Horizontal segment spraying layer and horizontal segment demister is provided with in horizontal segment tower body, horizontal segment spraying layer has pipeline to be connected with the outer slurry pool of tower, connecting line is provided with horizontal segment slurry circulating pump and promotes slurries to horizontal segment spraying layer, and the outer slurry pool of tower is provided with fresh slurry and mends slurry mouth and agitator;
In tower, be provided with connecting line and transfering material pump between slurry pool and the outer slurry pool of tower, the outer slurry pool slurries of tower go to slurry pool in tower when pH < 5.5.
Flushing pipe vertical connecting section spraying layer and horizontal segment spraying layer, external fresh water (FW), provides the flushing water of vertical section demister and horizontal segment demister.
Double fluid of the present utility model to high efficiency lower resistance desulfurizing tower adopt double fluid to desulfurization, vertical section be flue gas straight up, slurries straight down countercurrent spray contact, horizontal segment be flue gas level, slurries straight down cross-flow spray contact.Employing Two-way Cycle, two pH control.In vertical section spraying layer and tower, slurry pool is connected to form the first set circulatory system by pipeline, and horizontal segment spraying layer and the outer slurry pool of tower are connected to form the second cover circulatory system by pipeline.Two overlap the independently circulatory system controls in different pH scopes respectively, and first set circulatory system pH 4.5 ~ 5.5, second overlaps circulatory system pH 5.5 ~ 6.5.
The utility model has the following advantages: arrange horizontal turbulent generator, strengthening gas-liquid mass transfer, can realize high desulfurization efficiency through adverse current, cross-flow two-stage spray.Employing binary cycle system, two pH control, and two serum recycle systems control, in different pH scope, can improve sorbent utilization while reaching high-selenium corn efficiency respectively.Structure is simple, and adopt hollow-spraying-tower, entire system resistance is low, can realize lower resistance, low energy consumption runs.
Accompanying drawing explanation
Accompanying drawing 1 is double-current to high efficiency lower resistance desulfurizing tower organigram,
In figure, 1-oxidation fan, 2-agitator, slurry pool in 3-tower, 4-horizontal turbulent generator, the vertical section spraying layer of 5-, the vertical section demister of 6-, 7-horizontal segment spraying layer, 8-horizontal segment demister, 9-horizontal segment slurry circulating pump, the outer slurry pool of 10-tower, the vertical section slurry circulating pump of 11-, 12-transfering material pump, 13-slurries excavationg pump, 14-fresh slurry mends slurry mouth, 15-mist eliminator flushing water lines
Detailed description of the invention
The double fluid provided according to the utility model, to high efficiency lower resistance desulfurizing tower, is described further by reference to the accompanying drawings.
Double fluid of the present utility model, to high efficiency lower resistance desulfurizing tower, comprises oxidation fan 1, agitator 2, slurry pool 3 in tower, horizontal turbulent generator 4, vertical section spraying layer 5, vertical section demister 6, horizontal segment spraying layer 7, horizontal segment demister 8, horizontal segment slurry circulating pump 9, the outer slurry pool 10 of tower, vertical section slurry circulating pump 11, transfering material pump 12, slurries excavationg pump 13, fresh slurry mends slurry mouth 14, mist eliminator flushing water lines 15.
Double fluid of the present utility model is connected and composed on top to high efficiency lower resistance desulfurizing tower by vertical section and horizontal segment, adopt double fluid to, binary cycle system, two pH control.
Vertical section tower body inner bottom part is provided with slurry pool 3 in tower, slurry pool top is provided with horizontal turbulent generator 4, vertically section spraying layer 5, vertically section demister 6 successively, in tower, slurry pool 3 is connected by the outer pipeline of tower with vertical section spraying layer 5, pipeline is provided with vertical section slurry circulating pump 11 and promotes slurries to vertical section spraying layer 5, the slurries sprayed with enter the former flue gas of desulfurizing tower in vertical section counter current contacting, absorb SO
2after slurries fall to slurry pool in tower, in tower, slurry pool is provided with agitator 2, oxidation fan 1 impels absorption reaction complete.These circulatory system slurries pH controls 4.5 ~ 5.5, and lower pH can improve sorbent utilization.The horizontal turbulent generator 4 arranged below vertical section spraying layer, can change flue gas flow area and circulating direction, and change flue gas flow rate, disturbance flue gas contacts with slurries turbulent flow, and strengthening gas-liquid mass transfer, improves desulfuration efficiency.Slurry pool in tower
3be provided with fresh slurry and mend slurry mouth 14 and slurries excavationg pump 13, mend by fresh slurry the desulfurization slurry that slurry mouth 14 supplements new preparation when desulfuration efficiency is not up to standard, the serum density > 1180kg/m of slurry pool in tower
3or by slurries excavationg pump 13 plasma discharge during pH < 4.5.
For ensureing that flue gas stream is steady, deflector being set in vertical section and horizontal segment junction and leading.
Horizontal segment spraying layer 7 and horizontal segment demister 8 is provided with in horizontal segment tower body, horizontal segment spraying layer 7 has pipeline to be connected with the outer slurry pool 10 of tower, connecting line is provided with horizontal segment slurry circulating pump 9 and promotes slurries to horizontal segment spraying layer, sprayed slurry straight down and horizontal flow to flue gas cross-flow contact, the slurries collected through horizontal segment slurry collecting groove are back to the outer slurry pool of tower.These circulatory system slurries pH is 5.5 ~ 6.5, and higher pH can realize high desulfurization efficiency, reaches deep desulfuration.Horizontal segment flue gas flow rate 3 ~ 6m/s, the flue gas after purification is discharged after the demist of horizontal segment demister.The outer slurry pool of tower is provided with fresh slurry and mends slurry mouth 14 and agitator 2.
Connecting line and transfering material pump 12 is provided with between slurry pool and the outer slurry pool of tower in tower.The outer slurry pool of tower
ph lower than 5.5 time go to slurry pool in tower through transfering material pump.
The external fresh water (FW) of flushing pipe 15, provides the flushing water of vertical section demister 6 with horizontal segment demister 8, ensures water balance in tower.Vertical section demister 6 flushing water is back to slurry pool in tower, and horizontal segment demister 8 flushing water can be back to the outer slurry pool of tower after feeder is collected also can be back to slurry pool in tower.
Claims (4)
1. a double fluid is to high efficiency lower resistance desulfurizing tower, comprise slurry pool, horizontal turbulent generator, spraying layer, demister, slurry circulating pump, oxidation fan, agitator, transfering material pump, slurries excavationg pump, fresh slurry benefit slurry mouth, it is characterized in that, desulfurizing tower is connected and composed by vertical section and horizontal segment top
Vertical section tower body inner bottom part is provided with slurry pool in tower, top is provided with vertical section spraying layer, vertically section demister and horizontal turbulent generator, be provided with pipeline outside tower and connect slurry pool and vertical section spraying layer in tower, pipeline is provided with vertical section slurry circulating pump and promotes slurries to vertical section spraying layer, and in tower, slurry pool is provided with fresh slurry and mends slurry mouth, agitator, oxidation fan and slurries excavationg pump;
Horizontal segment spraying layer and horizontal segment demister is provided with in horizontal segment tower body, horizontal segment spraying layer has pipeline to be connected with the outer slurry pool of tower, connecting line is provided with horizontal segment slurry circulating pump and promotes slurries to horizontal segment spraying layer, and the outer slurry pool of tower is provided with fresh slurry and mends slurry mouth and agitator.
2. a kind of double fluid as claimed in claim 1 is to high efficiency lower resistance desulfurizing tower, it is characterized in that, in tower, be provided with connecting line and transfering material pump between slurry pool and the outer slurry pool of tower.
3. a kind of double fluid as claimed in claim 1 is to high efficiency lower resistance desulfurizing tower, it is characterized in that, mist eliminator flushing water lines vertical connecting section demister and horizontal segment demister, external fresh water (FW).
4. a kind of double fluid as claimed in claim 1 is to high efficiency lower resistance desulfurizing tower, it is characterized in that, horizontal segment mist eliminator flushing water collecting groove and tower outward slurry pool and Ta Nei slurry pool all have connecting line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520001660.1U CN204412060U (en) | 2015-01-05 | 2015-01-05 | A kind of double fluid is to high efficiency lower resistance desulfurizing tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520001660.1U CN204412060U (en) | 2015-01-05 | 2015-01-05 | A kind of double fluid is to high efficiency lower resistance desulfurizing tower |
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| Publication Number | Publication Date |
|---|---|
| CN204412060U true CN204412060U (en) | 2015-06-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520001660.1U Expired - Fee Related CN204412060U (en) | 2015-01-05 | 2015-01-05 | A kind of double fluid is to high efficiency lower resistance desulfurizing tower |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106237855A (en) * | 2016-08-30 | 2016-12-21 | 杭州玺清环保科技有限公司 | A kind of absorption tower for ultralow desulfurization |
| CN106268277A (en) * | 2016-10-17 | 2017-01-04 | 上海锅炉厂有限公司 | A kind of desulfurizer and technique |
| CN106422617A (en) * | 2016-08-24 | 2017-02-22 | 天海能源科技有限公司 | Highly-efficient desulfurizing and dedusting integrated absorption tower and desulfurizing and dedusting method |
| CN110124454A (en) * | 2018-02-08 | 2019-08-16 | 中石化广州工程有限公司 | A kind of methanol air water cleaning of evaporator |
-
2015
- 2015-01-05 CN CN201520001660.1U patent/CN204412060U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106422617A (en) * | 2016-08-24 | 2017-02-22 | 天海能源科技有限公司 | Highly-efficient desulfurizing and dedusting integrated absorption tower and desulfurizing and dedusting method |
| CN106237855A (en) * | 2016-08-30 | 2016-12-21 | 杭州玺清环保科技有限公司 | A kind of absorption tower for ultralow desulfurization |
| CN106268277A (en) * | 2016-10-17 | 2017-01-04 | 上海锅炉厂有限公司 | A kind of desulfurizer and technique |
| CN110124454A (en) * | 2018-02-08 | 2019-08-16 | 中石化广州工程有限公司 | A kind of methanol air water cleaning of evaporator |
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