| Customization: | Available |
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| Manufacturing Process: | Lascer Cutting and Plate Bending |
| Surface Treatment: | Without Processing |
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SS 316L 3 pass 230mm Height Vane Pack Mist Eliminator
1. Factors affecting the performance of vane pack mist eliminator:
flue gas flow rate: the flue gas flow rate is expressed in terms of the air bed gas velocity u, and sometimes by the kinetic energy factor F of the air bed gas, which is an important technical parameter. Its value will directly affect the demisting efficiency and pressure drop of the equipment, and it is also an important basis for equipment design or production capacity accounting.
demisting efficiency: demisting efficiency refers to the ratio of the mass of droplets captured by the mist eliminator in unit time to the mass of droplets entering the demister.
system pressure drop: system pressure drop refers to the pressure loss caused by flue gas passing through the vane pack mist eliminator. The larger the system pressure drop is, the higher the energy consumption will be.
pitch of vane plates: the selection of the distance between vane plates is very important to ensure the efficiency of de-misting and maintain the stable operation of the mist eliminating system.
mist eliminator stages: in the process of mist eliminating, in order to increase the efficiency of mist eliminator, folding plates are usually connected to form a multi-stage mist eliminator. Generally, the more the stages are, the higher the efficiency of mist eliminator is. However, the resistance of the system will be greatly increased while the efficiency is improved, which not only increases the energy consumption of the system, but also threatens the normal operation of the system. Therefore, the number of vane plates should not be too many, generally two to three levels are appropriate.
flushing interval of vane pack mist eliminator.
2. Hualai quality assurance of vane pack mist eliminator,
The main parts of each demister shall be inspected and tested according to the requirements of drawings and technical documents to ensure that the design and structure meet the requirements of this specification.
The factory provides quality guarantee for all materials and parts. The chemical composition, mechanical properties and internal quality of the materials used must comply with the provisions of the drawings and technical documents, and the corrosion resistance shall be fully considered.
The factory shall provide quality documents and technical documents related to quality assurance at the same time of delivery. These documents include at least:
Product inspection certificate;
Material test certificate of main parts and components;
Material test report of main parts and components;
The results of the experiments were analyzed;
Quality control plan;
Quality inspection plan;
Installation, use and maintenance manual;
General drawing of main equipment and auxiliary equipment and relevant component drawings.
3. Vane pack mist eliminator datasheet,
| Table 3 data sheet of demister | |||||
| 1. | Project No.: | ||||
| 2. | Equipment name | Vane demister | |||
| 3. | Quantity | In use | quantity | 1 | |
| Spare parts | quantity | 0 | |||
| Total | quantity | 1 | |||
| 4. | Purpose |
Removal of slurry droplets in FGD emission And control the dust emission concentration at the outlet of absorption tower |
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| 5. | Basic design conditions | ||||
| 1) Characteristics of flue gas | |||||
| (1) Name of flue gas | Flue gas after dust removal and desulfurization | ||||
| (2) Flue gas flow at absorber inlet | m3/h | 31000 | |||
| (3) Dust concentration at absorber inlet | mg/Nm3 | ≤20(Standard state dry basis,3%O2) | |||
| Flue gas flow at absorber outlet | m3/h | 32500 | |||
| Flue gas velocity | m/s | ≤2.0 | |||
| (4) Outlet temperature of absorption tower | ºC | 45 | |||
| (5) pressure | kPaG | 1.0 | |||
| (6) Expected flue gas composition | See Table 1 | ||||
| (7) | |||||
| H2O | (liquid) | wt% | ~95 | ||
| Na2S | (solid) | wt% | 4 | ||
| Na2HS | (solid) | wt% | 1 | ||
| Droplet characteristics | |||||
| Density | kg/m3 | ~1020 | |||
| PH | - | 7~10 | |||
| Viscosity | cPa | <3 | |||
| 2) Type of demister | As per order | ||||
| 3) Installation position | Upper part of absorber | ||||
| 6. | Structural design conditions | ||||
| 1) Standards, specifications | As per order | ||||
| 2) Design pressure of absorber | kPa·G | -1.0~+5.0 | |||
| 9) Design temperature(maximum temperature and time of mist eliminator) | Depends on material | ||||
| Shell | ºC/min | ||||
| demister | ºC/min | ||||
| 3) Corrosion allowance | |||||
| 4) Shell size of demister | Inner diameter of absorption section of absorption tower Φ 2.6m | ||||
| 5) texture of material | |||||
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304, 316L, 2205, 2507, TA2, etc. | ||||
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