CN105498516A - Desulfurization prewashing reaction device - Google Patents
Desulfurization prewashing reaction device Download PDFInfo
- Publication number
- CN105498516A CN105498516A CN201610065153.3A CN201610065153A CN105498516A CN 105498516 A CN105498516 A CN 105498516A CN 201610065153 A CN201610065153 A CN 201610065153A CN 105498516 A CN105498516 A CN 105498516A
- Authority
- CN
- China
- Prior art keywords
- desulfurization
- reaction unit
- inlet
- prewashing
- gas
- 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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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/46—Removing components of defined structure
- B01D53/48—Sulfur compounds
- B01D53/50—Sulfur oxides
- B01D53/501—Sulfur oxides by treating the gases with a solution or a suspension of an alkali or earth-alkali or ammonium compound
- B01D53/502—Sulfur oxides by treating the gases with a solution or a suspension of an alkali or earth-alkali or ammonium compound characterised by a specific solution or suspension
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D47/00—Separating dispersed particles from gases, air or vapours by liquid as separating agent
- B01D47/06—Spray cleaning
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2251/00—Reactants
- B01D2251/40—Alkaline earth metal or magnesium compounds
- B01D2251/404—Alkaline earth metal or magnesium compounds of calcium
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Environmental & Geological Engineering (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Treating Waste Gases (AREA)
Abstract
The invention discloses a desulfurization prewashing reaction device which comprises an intake chamber, a middle gas and liquid spraying reaction chamber and an upper gas chamber, wherein a flue gas inlet is formed in the right side of the intake chamber, and the axial line of the flue gas inlet forms an angle of 15 to 17 degrees with the horizontal direction; the middle gas and liquid spraying reaction chamber is positioned above the intake chamber, and comprises multiple spraying layers, and multiple nozzles are uniformly arranged on each spraying layer; the upper gas chamber is positioned above the middle gas and liquid spraying reaction chamber, and a flue gas outlet is formed in the right side of the upper gas chamber. The desulfurization prewashing reaction device has the benefits that the flue gas inlet is inclined, so that the condition that slurry flows back into an inlet flue to corrode the flue and an inlet of a booster fan to further influence stable running of the booster fan is prevented; flue dust at the inlet is washed by the middle gas and liquid spraying reaction chamber, so that a desulfurization dedusting effect is achieved; wear of the inlet flue is reduced, and the service life is prolonged; the requirement of environment-friendly emission is met, and the effects of saving energy, reducing cost and improving efficiency are achieved.
Description
Technical field
The present invention relates to technical field of desulfurization, in particular to a kind of desulfurization prewashing reaction unit.
Background technology
For the process of sulfur dioxide, the mode that existing thermal power plant all utilizes desulfuration absorbing tower to carry out wet sprinkling usually carrys out desulfurization.But existing desulfurization equipment is at desulfurization entrance SO
2concentration 3000mg/Nm
3time, entrance dust concentration 50mg/Nm
3time, desulfurization outlet SO
2concentration is 120mg/Nm
3, desulfuration efficiency is 96%, outlet dust concentration 30mg/Nm
3, desulfurizer exiting flue gas amount is 1386898Nm
3/ h.Existing desulfurization equipment cannot meet minimum discharge sulfur dioxide SO
2< 30mg/Nm
3, outlet dust concentration 5mg/Nm
3emission request.
Summary of the invention
For solving the problem, the object of the present invention is to provide a kind of efficient minimum discharge desulfurization prewashing reaction unit, can ensure at desulfurization entrance SO
2concentration is 3000mg/Nm
3time, desulfuration efficiency is not less than 96% and desulfurization outlet SO
2concentration is not more than 30mg/Nm
3, outlet dust concentration 5mg/Nm
3emission request.
The invention provides a kind of desulfurization prewashing reaction unit, comprising:
Inlet plenum, is provided with smoke inlet on the right side of it, and the axis of described smoke inlet and the angle a of horizontal direction are 15 °-17 °;
Middle part gas-liquid spray reative cell, it is positioned at above described inlet plenum, and described middle part gas-liquid spray reative cell comprises Multi-layer sprinkling layer, and every layer of spraying layer is evenly arranged multiple nozzle;
Top air chamber, it is positioned at above the gas-liquid spray reative cell of described middle part, and the right side of described top air chamber is provided with exhanst gas outlet.
Further improve as the present invention, described angle a is 17 °.
Further improve as the present invention, described smoke inlet is of a size of 6m × 13m.
Further improve as the present invention, described middle part gas-liquid spray reative cell is 19.5m apart from the height bottom described desulfurization prewashing reaction unit, and the height in the middle part of described smoke inlet bottom desulfurization prewashing reaction unit described in distance is 12m.
Further improve as the present invention, the number of plies of described spraying layer is 3 layers.
Further improve as the present invention, every layer of described spraying layer is established 5 unidirectional or Bidirectional nozzles.
Further improve as the present invention, described middle part gas-liquid spray reative cell height is 3.4m, and the distance between two-layer spraying layer is 1.7m.
Further improve as the present invention, the height of described top air chamber is 4.512m.
Further improve as the present invention, described exhanst gas outlet is of a size of 4m × 12.2m.
Further improve as the present invention, the diameter of described desulfurization prewashing reaction unit is 15.85m, is highly 33.662m.
Beneficial effect of the present invention is:
1, being obliquely installed of smoke inlet, prevents slurries from pouring in down a chimney in inlet flue duct, prevents from causing boiler flue corrosion and corrosion booster fan entrance, thus affects booster fan stable operation;
2, middle part gas-liquid spray reative cell washing import flue dust, reaches desulfurization and dedusting effect;
3, reduce the wearing and tearing of clean flue, increase the service life;
4, reach the requirement of environment protection emission, serve energy saving and cost lowering synergistic effect.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of desulfurization prewashing reaction unit described in the embodiment of the present invention.
In figure,
1, inlet plenum; 2, middle part gas-liquid spray reative cell; 3, top air chamber; 4, smoke inlet; 5, spraying layer; 6, nozzle; 7, exhanst gas outlet.
Detailed description of the invention
Also by reference to the accompanying drawings the present invention is described in further detail below by specific embodiment.
As shown in Figure 1, a kind of desulfurization prewashing reaction unit described in the embodiment of the present invention, comprises inlet plenum 1, middle part gas-liquid spray reative cell 2 and top air chamber 3.
The diameter of desulfurization prewashing reaction unit is 15.85m, is highly 33.662m.The right side of inlet plenum 1 is provided with smoke inlet 4, and the axis of smoke inlet 4 and the angle a of horizontal direction are 15 °-17 °.The present embodiment is preferred, and angle a chooses 17 °.Smoke inlet 4 is of a size of 6m × 13m, and the height in the middle part of smoke inlet 4 bottom distance desulfurization prewashing reaction unit is 12m.Middle part gas-liquid spray reative cell 2 is positioned at above inlet plenum 1, middle part gas-liquid spray reative cell 2 is highly 3.4m, middle part gas-liquid spray reative cell 2 is 19.5m apart from described desulfurization prewashing reaction unit bottom level, middle part gas-liquid spray reative cell 2 comprises 3 layers of spraying layer 5, distance between two-layer spraying layer is 1.7m, every layer of spraying layer is evenly arranged 5 nozzles 6, nozzle is unidirectional nozzle or Bidirectional nozzle.Top air chamber 3 is positioned at above the gas-liquid spray reative cell 2 of middle part, and be highly 4.512m, the right side of top air chamber 3 is provided with exhanst gas outlet 7, and exhanst gas outlet 7 is of a size of 4m × 12.2m.
Smoke inlet 4 is obliquely installed, and prevents slurries from pouring in down a chimney in inlet flue duct, prevents from causing boiler flue corrosion and corrosion booster fan entrance, thus affects booster fan stable operation.Middle part gas-liquid spray reative cell 2 spray lime stone slurry and flue gas in SO
2carry out abundant washing reaction, wash import flue dust simultaneously, reach desulfurization and dedusting effect.Fume emission after washing to clean flue, is reduced the resistance of desulfurization prewashing reaction unit own by top air chamber 3, and reduces the wearing and tearing to desulfurization prewashing reaction unit and clean flue, extends the service life of equipment.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. a desulfurization prewashing reaction unit, is characterized in that, comprising:
Inlet plenum (1), is provided with smoke inlet (4) on the right side of it, the axis of described smoke inlet (4) and the angle of horizontal direction are a, and described angle a is 15 °-17 °;
Middle part gas-liquid spray reative cell (2), it is positioned at described inlet plenum (1) top, described middle part gas-liquid spray reative cell (2) comprises Multi-layer sprinkling layer (5), every layer of spraying layer is evenly arranged multiple nozzle (6);
Top air chamber (3), it is positioned at top, described middle part gas-liquid spray reative cell (2), and the right side on described top air chamber (3) is provided with exhanst gas outlet (7).
2. desulfurization prewashing reaction unit according to claim 1, is characterized in that, described angle a is 17 °.
3. desulfurization prewashing reaction unit according to claim 2, is characterized in that, described smoke inlet (4) is of a size of 6m × 13m.
4. desulfurization prewashing reaction unit according to claim 3, it is characterized in that, described middle part gas-liquid spray reative cell (2) is 19.5m apart from the height bottom described desulfurization prewashing reaction unit, and the height bottom desulfurization prewashing reaction unit described in the distance of described smoke inlet (4) middle part is 12m.
5. desulfurization prewashing reaction unit according to claim 1, is characterized in that, the number of plies of described spraying layer (5) is 3 layers.
6. desulfurization prewashing reaction unit according to claim 5, is characterized in that, every layer of described spraying layer (5) establishes 5 unidirectional or Bidirectional nozzles.
7. desulfurization prewashing reaction unit according to claim 5, is characterized in that, described middle part gas-liquid spray reative cell (2) is highly 3.4m, and the distance between two-layer spraying layer is 1.7m.
8. desulfurization prewashing reaction unit according to claim 1, is characterized in that, the height on described top air chamber (3) is 4.512m.
9. desulfurization prewashing reaction unit according to claim 8, is characterized in that, described exhanst gas outlet (7) is of a size of 4m × 12.2m.
10. according to the desulfurization prewashing reaction unit in claim 1-9 described in any one, it is characterized in that, the diameter of described desulfurization prewashing reaction unit is 15.85m, is highly 33.662m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610065153.3A CN105498516A (en) | 2016-01-29 | 2016-01-29 | Desulfurization prewashing reaction device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610065153.3A CN105498516A (en) | 2016-01-29 | 2016-01-29 | Desulfurization prewashing reaction device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105498516A true CN105498516A (en) | 2016-04-20 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610065153.3A Pending CN105498516A (en) | 2016-01-29 | 2016-01-29 | Desulfurization prewashing reaction device |
Country Status (1)
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| CN (1) | CN105498516A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113019055A (en) * | 2021-04-13 | 2021-06-25 | 江苏鼎梁格林嘉能源科技有限公司 | Flue gas purifying device |
Citations (5)
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| CN203955029U (en) * | 2014-07-11 | 2014-11-26 | 东方电气集团东方锅炉股份有限公司 | A kind of high-efficiency titanium dioxide sulphur absorption tower |
| US20150139881A1 (en) * | 2013-11-21 | 2015-05-21 | Mitsubishi Heavy Industries, Ltd. | Wet type flue-gas desulfuization apparatus and method for adjusting oxidation reduction potential of absorbent therefor |
| CN204672132U (en) * | 2015-05-28 | 2015-09-30 | 中国华电工程(集团)有限公司 | A kind of novel absorbent tower |
| CN104958999A (en) * | 2015-07-14 | 2015-10-07 | 中国华电工程(集团)有限公司 | Ultra-low emission absorption tower |
| CN205340554U (en) * | 2016-01-29 | 2016-06-29 | 大唐环境产业集团股份有限公司 | Desulfurization prewashing reaction unit |
-
2016
- 2016-01-29 CN CN201610065153.3A patent/CN105498516A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20150139881A1 (en) * | 2013-11-21 | 2015-05-21 | Mitsubishi Heavy Industries, Ltd. | Wet type flue-gas desulfuization apparatus and method for adjusting oxidation reduction potential of absorbent therefor |
| CN203955029U (en) * | 2014-07-11 | 2014-11-26 | 东方电气集团东方锅炉股份有限公司 | A kind of high-efficiency titanium dioxide sulphur absorption tower |
| CN204672132U (en) * | 2015-05-28 | 2015-09-30 | 中国华电工程(集团)有限公司 | A kind of novel absorbent tower |
| CN104958999A (en) * | 2015-07-14 | 2015-10-07 | 中国华电工程(集团)有限公司 | Ultra-low emission absorption tower |
| CN205340554U (en) * | 2016-01-29 | 2016-06-29 | 大唐环境产业集团股份有限公司 | Desulfurization prewashing reaction unit |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113019055A (en) * | 2021-04-13 | 2021-06-25 | 江苏鼎梁格林嘉能源科技有限公司 | Flue gas purifying device |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB03 | Change of inventor or designer information |
Inventor after: Liu Yuxin Inventor after: Liu Chang Inventor after: Li Chunyu Inventor after: Xia Shuang Inventor after: Li Yehong Inventor before: Liu Yuxin Inventor before: Liu Chang Inventor before: Lu Shengkuan |
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| COR | Change of bibliographic data | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160420 |