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Absorber Tower Vane Pack Demister design and manufacturing
1. Absorber demister in Hualai factory,
This technical specification is applicable to absorber demister, including the technical requirements for the functional design, structure, performance, manufacture, installation, supply, commissioning and test of the body and auxiliary equipment system of two-stage high-efficiency flat demister.
We will make it in strict accordance with the drawings provided by the customer and meet the technical requirements on the drawings. Any modification or change to the drawings must be approved by the customer.
2. Technical characteristics of vane pack demister:
Unique design, without dead angle of demisting in the whole tower, triangle installation form, good stability, unique angle design. Hook on the chevron plate is an option, to gain droplet collection acceleration, and improve separation efficiency.
3. Design technical parameters of vane pack mist eliminator:
| No. | Item | Unit | Data |
| 1 | Absorber (case) | ||
| 1.1 | Diameter of front passage of demister | m | Φ2.6 |
| 1.2 | Raw flue gas flow of single tower (wet) | m3/h | 31000 |
| 1.3 | Net flue gas flow of single tower (wet) | Nm3/h | 32500 |
| 1.4 | Net flue gas temperature | ℃ | 45 |
| 1.5 | Average velocity of flue gas before demister | m/s | ≤2 |
| 1.6 | Spray mode of absorption tower | downward | downward |
| 1.7 | Absorber nozzle type | Hollow cone | |
| 1.8 | Average droplet size(D32) | μm | 2000 |
| 1.9 | Flue gas temperature: normal operation / design | ℃ | 45/80 |
| 1.10 | Cl-concentration | ppm | ＜40000 |
| 2 | Demister data | ||
| 2.1 | First stage vane plate demister | ||
| 2.1.1 | Type | ||
| 2.1.2 | Material | ||
| 2.1.3 | Weight | kg | |
| 2.2 | Second stage vane plate demister | ||
| 2.2.1 | Type | ||
| 2.2.2 | Material | ||
| 2.2.3 | Weight | kg | |
| 2.3 | Liquid holding capacity of flue gas at demister outlet (dry, standard state) | mg/Nm3 | |
| 2.4 | Pressure drop (two stage plate) | Pa | <150 |
| 2.5 | Material of demister | ||
| 2.6 | Spray pipe material | ||
| 2.7 | Total weight of spray pipe | kg | |
| 2.8 | Nozzle material | ||
| 2.9 | Nozzle pressure drop | bar | |
| 2.10 | Number of nozzles | pc | |
| 2.11 | Nozzle unit weight | kg | |
| 3 | Flushing water volume | Fill in by 100% | |
| 3.1 | Upper part of the first stage | m3/(h·m2) | |
| 3.2 | Lower part of the first stage | m3/(h·m2) | |
| 3.3 | Upper part of the second stage | m3/(h·m2) | |
| 3.4 | Lower part of the second stage | m3/(h·m2) |
4. Vane Plate Parameters for Absorber Demister:
1. Height of the first stage vane plate: 170mm,
plate thickness: 3mm; pitch of vane 30mm;
Vane plate shape: streamline 2-channel.
2. Height of the first stage vane plate: 170mm,
plate thickness: 3mm; pitch of vane 25mm;
Vane plate shape: streamline 2-channel; hook in the middle of plate is an option.
3. Molding process: extrusion molding
5. Various types of custom order vane pack mist eliminator types
Flue gas desulphurization industry is becoming more and more important as we pay more attention and effort to the environmental protection all over the world. In Hualai we produce vane pack demister mist eliminators for years, we are expecting to make more contributions to this global action. Welcome your contact anytime!
