CN209076413U - A kind of modified form smoke-gas wet desulfurization oxidation air system - Google Patents
A kind of modified form smoke-gas wet desulfurization oxidation air system Download PDFInfo
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- CN209076413U CN209076413U CN201821842474.0U CN201821842474U CN209076413U CN 209076413 U CN209076413 U CN 209076413U CN 201821842474 U CN201821842474 U CN 201821842474U CN 209076413 U CN209076413 U CN 209076413U
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Abstract
The utility model relates to flue gas desulfurization technique fields, especially a kind of modified form smoke-gas wet desulfurization oxidation air system, including absorption tower, it is respectively oxidation air system, absorbing liquid spraying layer and demisting layer in the absorption tower that the absorption tower includes smoke inlet and exhanst gas outlet from bottom to top；Oxidation air system includes several oxidation air pipes, oxidation air pipe one end is connected to the absorb the bottom of the tower, the oxidation general pipeline being connected to oxidation fan is connected to by the other end, cooling water pipe is connected to by oxidation general pipeline, and oxidation general pipeline and cooling water pipe junction are equipped with atomizer, it is additionally provided with pressure sensor and temperature control valve (TCV) on oxidation general pipeline, wash tub pipe is connected to by oxidation air Guan Jun, cooling water pipe is connected to by wash tub pipe and cooling water pipe is equipped with electric control valve.While the utility model improves quality of desulphurization gypsum in lime-gypsum method wet desulfurization system, avoids oxidation air system jams and cause damages, improve the reliability of desulphurization system.
Description
Technical field
The utility model relates to flue gas desulfurization technique field, especially a kind of modified form smoke-gas wet desulfurization oxidation air system
System.
Background technique
In order to protect environment, air pollution is reduced, most Thermal Power Enterprises require to carry out desulfurization process to flue gas, then
It is discharged into atmosphere again.The loop slurry that existing lime/lime stone-gypsum wet sulfur removal technology uses is after repeatedly recycling
It can go bad, to overcome drawbacks described above, inventors herein propose improved technology, such as a kind of entitled " smoke-gas wet desulfurization oxidation sky
The granted patent of gas system " (CN205700118U), the patent include at least the oxidation air system in absorption tower, oxidation air
System is connected to external oxidation fan, and there are also side formula blenders corresponding with oxidation air pipe for bottom in absorption tower.
The oxidation air system that the patent introduces is oxidized to calcium sulfate for slurries sulfite calcium is enhanced, and improves desulfurization stone
Cream quality, but since oxidation air system is arranged in absorb the bottom of the tower, oxidation air system jams are be easy to cause, and be difficult to
Detect stopping state.
Utility model content
The purpose of this utility model is while improving quality of desulphurization gypsum in lime-gypsum method wet desulfurization system, to keep away
Exempt from oxidation air system jams, improves the reliability of desulphurization system.
The utility model provides a kind of smoke-gas wet desulfurization oxidation air system, including absorption tower, and absorption tower is equipped with flue gas
Entrance and exhanst gas outlet are respectively oxidation air system, absorbing liquid spraying layer and demisting layer in the absorption tower from bottom to top；Institute
Stating oxidation air system includes several oxidation air pipes, and one end of each oxidation air pipe is connected to the bottom on the absorption tower,
The other end passes through oxidation general pipeline and be connected to oxidation fan, is equipped with cooling water pipe by the oxidation general pipeline, aoxidize general pipeline with
Cooling water pipe junction is equipped with atomizer, aoxidizes and is additionally provided with pressure sensor and temperature control valve (TCV), each oxidation air on general pipeline
Pipe is connected to by wash tub pipe with cooling water pipe respectively, and cooling water pipe is equipped with electric control valve.
Preferably, the oxidation air pipe is provided with three, and mutual uniform intervals, is equipped with and oxidation in the absorption tower
The oxidation spray gun of the corresponding connection of air hose.
Further, bottom is equipped with side formula blender in the absorption tower, and side formula blender is located at the outlet of oxidation spray gun
Mouth obliquely downward side, side formula blender are connect with Electric Actuator, and Electric Actuator is placed in absorption tower outer wall.
Preferably, the air inlet of the oxidation general pipeline connects two oxidation fans simultaneously, and the oxidation fan is Roots's wind
Machine.
Preferably, the demisting layer is equipped with demisting flushing pipe system.
The utility model has the technical effect that the utility model improves existing smoke-gas wet desulfurization oxidation air system, right
Oxidative system real-time detection forces oxidation slurries at calcium sulfate, improves desulfurized gypsum product in lime-gypsum method wet desulfurization system
While matter, avoids oxidation air system jams and cause damages, improve the reliability of desulphurization system.
Detailed description of the invention
Fig. 1: the utility model structure diagram；
In figure: 1, absorption tower；2, smoke inlet；3, exhanst gas outlet；4, demisting flushing pipe system；5, general pipeline is aoxidized；6, electric
Dynamic regulating valve；7, cooling water pipe；8, atomizer；9, pressure sensor；10, temperature control valve (TCV)；11, wash tub pipe；12, it aoxidizes
Air hose；13, oxidation spray gun；14, side formula blender；15, Electric Actuator.
Specific embodiment
Below in conjunction with attached drawing, specific embodiment of the present utility model is described in further detail, so that the utility model skill
Art scheme is more readily understood and grasps.
The utility model provides a kind of smoke-gas wet desulfurization oxidation air system, including absorption tower 1, and absorption tower 1 is equipped with cigarette
Gas entrance 2 and exhanst gas outlet 3 are respectively oxidation air system, absorbing liquid spraying layer and demisting in the absorption tower 1 from bottom to top
Layer；The oxidation air system includes several oxidation air pipes 12, one end of each oxidation air pipe 12 and the absorption tower 1
Bottom connection, the other end pass through oxidation general pipeline 5 and are connected to oxidation fan, are equipped with cooling water pipe by the oxidation general pipeline 5
7, it aoxidizes general pipeline 5 and 7 junction of cooling water pipe is equipped with atomizer (8), be additionally provided with 9 He of pressure sensor in oxidation general pipeline (5)
Temperature control valve (TCV) 10, each oxidation air pipe 12 are connected to by wash tub pipe 11 with cooling water pipe 7 respectively, and on cooling water pipe 7
Equipped with electric control valve 6.
Preferably, the oxidation air pipe 12 is provided with three, and mutual uniform intervals, be equipped in the absorption tower 1 with
The oxidation spray gun 13 of the corresponding connection of oxidation air pipe 12；Further, bottom is equipped with side formula blender 14 in the absorption tower 1,
Side formula blender 14 is located at the gas outlet obliquely downward side of oxidation spray gun 13, and side formula blender 14 is connect with Electric Actuator 15,
Electric Actuator 15 is placed in 1 outer wall of absorption tower.Preferably, the air inlet of the oxidation general pipeline 5 connects two oxidation fans simultaneously,
The oxidation fan is roots blower.Preferably, the demisting layer is equipped with demisting flushing pipe system 4.
When the utility model is run, after the absorbing liquid of 1 bottom of absorption tower is extracted to absorbing liquid spraying layer and smoke reaction,
Effective component calcium sulfate in absorbing liquid is reduced into calcium sulfite and falls to 1 bottom of absorption tower, and 1 bottom of absorption tower is equipped with
Oxidative system is constantly that slurries convey oxygen in tower, and are stirred by oxidation fan, forcibly by the calcium sulfite in absorbing liquid
It is oxidized to calcium sulfate.But absorbing liquid flows into oxidation sky when can send oxygen with the variation and stopping of this temperature during the reaction
Tracheae 12, so that oxidative system be caused to be blocked.
Therefore, the utility model has added temperature control valve (TCV) 10 and pressure sensor 9 on oxidation general pipeline, according to setting
The open degree of the temperature control valve (TCV) 10, control oxygen into tower temperature between 50~60 DEG C, avoid oxidation air pipe 12 cold
Hot fouling；Pressure condition in the detection of the pressure sensor 9 oxidation general pipeline 5, if oxidation spray gun 13 is blocked or oxidation is total
There is fouling in pipe 5, and pressure sensor 9 issues plugging alarm with the raising of pressure, and staff can find the problem in time simultaneously
Processing.The method of processing oxidative system blocking is that side connects cooling water pipe 7 and punching on oxidation general pipeline 5 and oxidation air pipe 12 respectively
Wash water pipe 11 is connected to cooling water pipe 7 by the wash tub pipe 11；When pressure sensor 9 detects blocking, convey information to electronic
Regulating valve 6, electric control valve 6 are opened, and open the butterfly valve on oxidation air pipe 12 manually, rinse oxidation general pipeline 5 and oxidation is empty
Tracheae 12 removes tamper；When pressure recovery is normal, electric control valve 6 is closed.
Certainly, the representative instance of above only the utility model, in addition to this, the utility model can also have other a variety of
Specific embodiment, all technical solutions formed using equivalent substitution or equivalent transformation all fall within the requires of the utility model protection
Within the scope of.
Claims (5)
1. a kind of modified form smoke-gas wet desulfurization oxidation air system, including absorption tower (1), absorption tower (1) is equipped with smoke inlet
(2) and exhanst gas outlet (3), it is characterised in that: be from bottom to top respectively oxidation air system, absorbing liquid in the absorption tower (1)
Spraying layer and demisting layer；
The oxidation air system includes several oxidation air pipes (12), one end of each oxidation air pipe (12) and the absorption
The bottom of tower (1) is connected to, and the other end passes through oxidation general pipeline (5) and is connected to oxidation fan, is connect and is set by the oxidation general pipeline (5)
Have cooling water pipe (7), aoxidizes general pipeline (5) and cooling water pipe (7) junction is equipped with atomizer (8), also set in oxidation general pipeline (5)
There are pressure sensor (9) and temperature control valve (TCV) (10), each oxidation air pipe (12) is respectively by wash tub pipe (11) and cooling
Water pipe (7) connection, and cooling water pipe (7) is equipped with electric control valve (6).
2. a kind of modified form smoke-gas wet desulfurization oxidation air system according to claim 1, it is characterised in that: the oxygen
Change air hose (12) and be provided with three, and mutual uniform intervals, is equipped in the absorption tower (1) corresponding with oxidation air pipe (12)
The oxidation spray gun (13) of connection.
3. a kind of modified form smoke-gas wet desulfurization oxidation air system according to claim 2, it is characterised in that: the suction
It receives tower (1) interior bottom and is equipped with side formula blender (14), side formula blender (14) is located at the gas outlet obliquely downward of oxidation spray gun (13)
Side, side formula blender (14) are connect with Electric Actuator (15), and Electric Actuator (15) is placed in absorption tower (1) outer wall.
4. a kind of modified form smoke-gas wet desulfurization oxidation air system according to claim 1, it is characterised in that: the oxygen
The air inlet for changing general pipeline (5) connects two oxidation fans simultaneously, and the oxidation fan is roots blower.
5. a kind of modified form smoke-gas wet desulfurization oxidation air system according to claim 1, it is characterised in that: described to remove
Mist layer is equipped with demisting flushing pipe system (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821842474.0U CN209076413U (en) | 2018-11-08 | 2018-11-08 | A kind of modified form smoke-gas wet desulfurization oxidation air system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821842474.0U CN209076413U (en) | 2018-11-08 | 2018-11-08 | A kind of modified form smoke-gas wet desulfurization oxidation air system |
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| Publication Number | Publication Date |
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| CN209076413U true CN209076413U (en) | 2019-07-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201821842474.0U Active CN209076413U (en) | 2018-11-08 | 2018-11-08 | A kind of modified form smoke-gas wet desulfurization oxidation air system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112222118A (en) * | 2020-11-17 | 2021-01-15 | 西安热工研究院有限公司 | Absorption tower oxidation air pipe flushing and purging system and working method |
| CN112337289A (en) * | 2020-09-30 | 2021-02-09 | 湖北宜化松滋肥业有限公司 | Tail gas treatment device and method for preparing acid by sulfur |
-
2018
- 2018-11-08 CN CN201821842474.0U patent/CN209076413U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112337289A (en) * | 2020-09-30 | 2021-02-09 | 湖北宜化松滋肥业有限公司 | Tail gas treatment device and method for preparing acid by sulfur |
| CN112222118A (en) * | 2020-11-17 | 2021-01-15 | 西安热工研究院有限公司 | Absorption tower oxidation air pipe flushing and purging system and working method |
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