GYSA filter with tri-layers of medias
key word：Heat exchange element
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Product description
GYSA Three layer filter
1. Introduction
1.1. Purpose
Three layer filter media generally adopt three kinds of filter materials with different density and particle size, and the particle size gradually decreases from top to bottom. By using the principle of deep filtration, the pollutant interception capacity of the filter is increased, and the filtration velocity can be increased on the premise of ensuring the quality of effluent water.
1.2. Model meaning
G Y SA-250•90
G --- filtration
Y ------ pressure type
SA -------- three layer filter material
250--- equipment diameter 250 cm
90 -------- height of packing layer (mm)
1.3. Structural features
1.3.1. The upper water inlet device is in the form of main pipe and branch pipe,
1.3.2. The lower outlet water is domed porous plate and cushion.
1.3.3 black epoxy asphalt paint shall be used for anti-corrosion of internal surface of equipment.
The equipment is equipped with local sampling device and inlet and outlet pressure gauges.
1.3.5. The pressure rating of all interface flanges is PN1.0MPa
1.3.6. The model of air pipe valve is j41t-16, and the model of other valves is z44t-10
2. Technical parameters
2.1. Main technical parameters
See Table 5-1 for three-layer filter material
Table 5-1 main technical parameters of three layer filter
| Item | Data | Item | Data |
| Design pressure（MPa） | 0.6 | Welded joint coefficient | 0.85 |
| Design temperature（℃） | 50 | material of the main body | Q235-B |
| Design flow rate（m/h） | 20 | container form | Vertical |
| Design height（mm） | 900 | Equipment weight（kg） | 4860 |
| design capacity（t/h） | 98 | Running load（kg） | 32100 |
2.2. Special parameters
See table 5-2 for special parameters of three-layer filter media
Table 5-2 special parameters of three layer filter media
| Item | particle size | layer height | general layer height | item | particle size | layer height | general layer height |
| anthracite | 0.8～2.0 | 600 | 900 (filter layer) |
magnetite | 2.0～4.0 | 70 | 800 (cushion) |
| Quartz sand | 0.5～0.8 | 230 | 4.0～8.0 | 70 | |||
| magnetite | 0.25～0.5 | 70 | Quartz stone pieces | 8.0～16.0 | 100 | ||
| 0.5～1.0 | 50 | 800 (cushion) |
16.0～32.0 | 160 | |||
| 1.0～2.0 | 50 | 32.0～64.0 | 300 |
2.3. Equipment appearance and structural dimensions
The external structure of the three-layer filter material is shown in Figure 5-1.
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