CN201719968U - Multifunctional reactor for flue gas desulfurization and denitration - Google Patents
Multifunctional reactor for flue gas desulfurization and denitration Download PDFInfo
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- CN201719968U CN201719968U CN2010202520544U CN201020252054U CN201719968U CN 201719968 U CN201719968 U CN 201719968U CN 2010202520544 U CN2010202520544 U CN 2010202520544U CN 201020252054 U CN201020252054 U CN 201020252054U CN 201719968 U CN201719968 U CN 201719968U
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- oxidation
- inner chamber
- flue gas
- tank body
- doctor solution
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Abstract
The utility model belongs to the technical field of environment protection, and relates to a multifunctional reactor for flue gas desulfurization and denitration, which is provided with a reactor body (1), wherein at least one partition board (3-1) is arranged lengthways in the reactor body (1), so as to form a structure that one tank body is provided with two or more oxidation inner chambers of which the adjacent two are communicated; air self-absorption jet gas-liquid mixers (7-1, 7-2 and 7-3) are arranged at the upper part of each oxidation inner chamber, and oxidation liquid outlet ports (12, 14 and 16) are formed at the lower part of each oxidation inner chamber; and a doctor solution outlet port (13) is formed at the lower part of the last oxidation inner chamber but one. The multifunctional reactor provided by the utility model integrates the oxidation, preparation and storage of doctor solution into a whole, and has compact structure and overlapped functions, thereby shortening the process, reducing the energy consumption and saving the investment for desulfuration and denitration of stock devices.
Description
Technical field
The utility model belongs to environmental protection technical field, relates generally to a kind of flue gas desulfurization and denitrification multifunctional reaction tank.
Background technology
Boiler smoke is the major pollutants of atmosphere, and flue gas sulphur oxide, nitrogen oxide are the crucial compositions that forms acid rain.The wet ammonia process desulfurizing denitration is exactly to utilize the acidic oxide in ammonia or ammonium ion and the flue gas to react the generation ammonium salt, thereby finishes the purification of flue gas and reclaim the byproduct ammonium salt.Making high-quality ammonium salt then needs sulfite oxidation is become ammonium sulfate, and traditional oxidation technology mostly is the air oxidation of high pressure positive blower drum, or the pressurized catalysis oxidation; But said method is little because of the gas-liquid contact area, and mass transfer is insufficient, causes that easily airborne coefficient of oxygen utilization is low, and oxygenation efficiency is on the low side, causes the byproduct of ammonium sulfate quality on the low side.
Summary of the invention
For solving the problems of the technologies described above, the purpose of this utility model is to propose a kind of flue gas desulfurization and denitrification multifunctional reaction tank.
The purpose of this utility model can adopt following technical scheme to realize:
A kind of flue gas desulfurization and denitrification multifunctional reaction tank, described multifunctional reaction tank has tank body; At least one dividing plate vertically is set in described tank body, constitutes the structure of two above oxidation inner chambers of a tank body, and be interconnected between two adjacent oxidation inner chambers; The injecting type air and liquid mixer of air self-suction is set respectively on the top of described each oxidation inner chamber, and the bottom is provided with oxidation liquid respectively and extracts mouth out; Described each oxidation liquid is extracted mouth out and is connected with the injecting type air and liquid mixer of pairing air self-suction by the oxidation cycle pump respectively, constitutes multistage cyclic oxidation unit; On first order oxidation inner chamber, have doctor solution import, desulfurizing agent import; Described desulfurizing agent import and first order oxidation intracavity inter-connection; One end of described doctor solution import and first order oxidation intracavity inter-connection, the other end is connected with the catch tray of desulfurizing tower absorber portion; Have doctor solution in the bottom of penultimate stage oxidation inner chamber and extract mouth out; Described doctor solution is extracted mouth out and is connected with the desulfurizing tower absorber portion by the circulation absorption pump; In the end has the oxidation hydrorrhea head piece that communicates with the desulfurizing tower enriching section on the stair oxidation inner chamber; Top at described tank body has air outlet, and described air outlet is connected with high-temperature flue gas pipe or desulfurizing tower.
Being horizontally arranged with one deck sieve plate at least in described tank body, with so that the blister that the air under the liquid is evenly distributed rises, is that gas-liquid fully contacts, and further improves oxygenation efficiency.
A kind of flue gas desulfurization and denitrification multifunctional reaction tank that the utility model proposes realizes adjusting the circulating absorption solution composition by multifunctional reaction tank; With sulfite oxidation is ammonium sulfate; Desulfurizing agent evenly is mixed in the doctor solution to adjust the absorption liquid pH value; It is multi-functional compound to store doctor solution, the oxidation of multifunctional reaction tank collection doctor solution, allocates, saves as one, and compact conformation, function are overlapping, the out of stock device flow process of desulfurization is shortened, energy consumption reduces, investment is saved.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
Fig. 2 is a user mode schematic diagram of the present utility model.
Among the figure: 1, tank body, 2, third level oxidation inner chamber, 3-1, the 3-2 dividing plate, 4, sieve plate, 5, oxidation hydrorrhea head piece, 6-1,6-2,6-3, the gas-liquid mixed pipe, 7-1,7-2,7-3, the injecting type air and liquid mixer, 8, the air discharge pipe, 9, the circulating absorption solution import, 10, first order oxidation inner chamber, 11, the desulfurizing agent import, 12, oxidation liquid is extracted mouth out, 13, doctor solution is extracted mouth out, 14, oxidation liquid is extracted mouth, 15 out, second level oxidation inner chamber, 16, oxidation liquid is extracted mouth out, 17-1,17-2,17-3, the oxidation cycle pump, 18-1,18-2,18-3,19-1,19-2,19-3,21,23, tube connector, 20, overflow pipe, 22, the circulation absorption pump, 24, divide jet pipe, 25, nozzle, 26, rise gas cap, 27, catch tray, 28, desulfurizing tower.
The specific embodiment
With specific embodiment the utility model is illustrated in conjunction with the accompanying drawings, following embodiment is an example with the tertiary oxidation inner chamber, but the utility model is not limited in following examples;
As shown in Figure 1 and Figure 2, a kind of flue gas desulfurization and denitrification multifunctional reaction tank, described multifunctional reaction tank has tank body 1; Two dividing plate 3-1,3-2 vertically are set in described tank body 1, constitute the structure of three oxidation inner chambers of a tank body, and be interconnected between two adjacent oxidation inner chambers; Injecting type air and liquid mixer 7-1,7-2, the 7-3 of air self-suction are set respectively on the top of described each oxidation inner chamber, and the bottom is provided with oxidation liquid respectively and extracts mouth 12,14,16 out; Described each oxidation liquid is extracted mouth 12,14,16 out respectively by tube connector 18-1,18-2,18-3, oxidation cycle pump 17-1,17-2,17-3, tube connector 19-1,19-2,19-3, be connected with injecting type air and liquid mixer 7-1,7-2, the 7-3 of pairing air self-suction, constitute multistage cyclic oxidation unit; On first order oxidation inner chamber 10, have doctor solution import 9, desulfurizing agent import 11; Described desulfurizing agent import 11 is connected with first order oxidation inner chamber 10 by distributor; One end of described doctor solution import 9 is connected with first order oxidation inner chamber 10, and the other end is connected with the catch tray 27 of desulfurizing tower absorber portion; Have doctor solution in the bottom of second level oxidation inner chamber 15 and extract mouth 13 out; Described doctor solution is extracted mouthfuls 13 out and is connected with branch jet pipe 24 and nozzle 25 in the desulfurizing tower 28 by circulation absorption pump 22, in order to nitrogen oxide and the oxysulfide in the absorption flue gas; Air outlet 8 is connected with desulfurizing tower 28 absorber portions, in order to excessive air and steam are entered in the flue gas of higher temperature, helps denitration; The denitration principle is: under steam and trace metal ion effect catalysis, the nitric oxide in oxygen and the flue gas reacts: O
2+ 2NO → 2NO
2(being NO more than 90% in the nitrogen oxide in the flue gas).The NO that generates
2Be a kind of strong oxidizer, chemical property is very active, and oxidisability is extremely strong, is easy to and ammonium bisulfite, ammonium sulfite generation redox reaction, and ammonium sulfurous is oxidized to the stable ammonium sulfate of chemical property, NO
2Be reduced into NO, even be reduced into harmless nitrogen;
NO
2+(NH
4)
2SO
3→(NH
4)
2SO
4+NO①；
4(NH
4)
2SO
3+2NO
2→(NH
4)
2SO
4+N
2↑②
React NO that 1. formula generates again and O
2Reaction generates NO
2In described tank body 1, be horizontally arranged with one deck sieve plate 4,, gas-liquid fully contacted, further improve oxygenation efficiency with so that the blister that the air under the liquid is evenly distributed rises.
Claims (2)
1. flue gas desulfurization and denitrification multifunctional reaction tank, it is characterized in that: described multifunctional reaction tank has tank body (1); At least one dividing plate (3-1) vertically is set in described tank body (1), constitutes the structure of two above oxidation inner chambers of a tank body, and be interconnected between two adjacent oxidation inner chambers; The injecting type air and liquid mixer (7-1,7-2,7-3) of air self-suction is set respectively on the top of described each oxidation inner chamber, and the bottom is provided with oxidation liquid respectively and extracts mouthful (12,14,16) out; Described each oxidation liquid is extracted mouthful (12,14,16) out and is connected with the injecting type air and liquid mixer (7-1,7-2,7-3) of pairing air self-suction by oxidation cycle pump (17-1,17-2,17-3) respectively, constitutes multistage cyclic oxidation unit; On first order oxidation inner chamber (10), have doctor solution import (9), desulfurizing agent import (11); Described desulfurizing agent import (11) is connected with first order oxidation inner chamber (10); One end of described doctor solution import (9) is connected with first order oxidation inner chamber (10), and the other end is connected with the catch tray (27) of desulfurizing tower (28) absorber portion; Be provided with doctor solution in the bottom of penultimate stage oxidation inner chamber and extract mouthful (13) out; Described doctor solution is extracted mouthful (13) out and is connected with desulfurizing tower (28) absorber portion by circulation absorption pump (22); In the end the stair oxidation inner chamber is provided with the oxidation hydrorrhea head piece (5) that communicates with the desulfurizing tower enriching section; Have air outlet (8) on the top of described tank body (1), described air outlet (8) is connected with high-temperature flue gas pipe or desulfurizing tower (28).
2. flue gas desulfurization and denitrification multifunctional reaction tank according to claim 1 is characterized in that: be horizontally arranged with the sieve plate (4) that blister that one deck at least is evenly distributed in order to the air that makes under the liquid rises in described tank body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202520544U CN201719968U (en) | 2010-07-02 | 2010-07-02 | Multifunctional reactor for flue gas desulfurization and denitration |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202520544U CN201719968U (en) | 2010-07-02 | 2010-07-02 | Multifunctional reactor for flue gas desulfurization and denitration |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201719968U true CN201719968U (en) | 2011-01-26 |
Family
ID=43488242
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202520544U Expired - Fee Related CN201719968U (en) | 2010-07-02 | 2010-07-02 | Multifunctional reactor for flue gas desulfurization and denitration |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201719968U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101879403A (en) * | 2010-07-02 | 2010-11-10 | 洛阳市天誉环保工程有限公司 | Multifunctional reaction tank and purification process thereof for flue gas desulfurization and denitrification |
| CN102397748A (en) * | 2011-12-10 | 2012-04-04 | 程爱平 | Oxidation spray pipe of desulfurization absorption tower |
-
2010
- 2010-07-02 CN CN2010202520544U patent/CN201719968U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101879403A (en) * | 2010-07-02 | 2010-11-10 | 洛阳市天誉环保工程有限公司 | Multifunctional reaction tank and purification process thereof for flue gas desulfurization and denitrification |
| CN101879403B (en) * | 2010-07-02 | 2012-09-05 | 洛阳市天誉环保工程有限公司 | Multifunctional reaction tank and purification process thereof for flue gas desulfurization and denitrification |
| CN102397748A (en) * | 2011-12-10 | 2012-04-04 | 程爱平 | Oxidation spray pipe of desulfurization absorption tower |
| CN102397748B (en) * | 2011-12-10 | 2014-02-19 | 程爱平 | Oxidation spray pipe of desulfurization absorption 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: 20110126 Termination date: 20180702 |