Study on energy-saving thermal insulation effect of high-temperature steam pipelines in thermal power plants using nanoporous aerogel super insulation technology
, oraz
24 mar 2025
O artykule
Data publikacji: 24 mar 2025
Otrzymano: 16 paź 2024
Przyjęty: 03 lut 2025
DOI: https://doi.org/10.2478/amns-2025-0733
Słowa kluczowe
© 2025 Xinyu Liu et al., published by Sciendo
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.
Figure 1.
Figure 2.
Figure 3.
Figure 4.
Performance contrast of insulation material
| Insulation material | Insulation thickness(mm) | Heat loss(W/m) |
|---|---|---|
| M1 | 0.1 | 1148.37 |
| 0.2 | 974.26 | |
| 0.3 | 759.48 | |
| 0.4 | 674.29 | |
| 0.5 | 600.71 | |
| M2 | 0.05 | 362.14 |
| 0.10 | 303.87 | |
| 0.15 | 252.68 | |
| 0.20 | 137.82 | |
| 0.25 | 93.58 |
Optimization of the thickness of the insulation layer
| Steam temperature(°C) | Ambient temperature (°C) | Optimize the thickness of the insulation layer(m) | Heat loss(W/m) |
|---|---|---|---|
| 200 | 40 | 0.05 | 207.29 |
| 250 | 38 | 0.06 | 251.72 |
| 300 | 36 | 0.08 | 256.73 |
| 350 | 34 | 0.11 | 263.14 |
| 400 | 32 | 0.13 | 267.41 |
| 450 | 30 | 0.17 | 282.58 |
| 500 | 28 | 0.19 | 284.16 |
| 550 | 26 | 0.22 | 301.90 |
| 600 | 24 | 0.24 | 308.44 |
| 650 | 22 | 0.28 | 316.51 |
| 700 | 20 | 0.31 | 317.63 |
| 750 | 18 | 0.33 | 333.01 |
| 800 | 16 | 0.35 | 334.78 |
| 850 | 14 | 0.40 | 341.45 |
| 900 | 12 | 0.45 | 342.15 |
Economic benefit analysis of the project
| Content | DN400 | DN300 | DN250 |
|---|---|---|---|
| C1(w/m) | 453.78 | 332.96 | 308.35 |
| C2(106kj) | 13.46 | 10.87 | 9.48 |
| C3(yuan/106kj) | 63.78 | ||
| C4(yuan) | 858.48 | 693.29 | 604.63 |
| C5(m) | 282 | 387 | 564 |
| C6(×105 yuan) | 24.21 | 26.83 | 34.10 |
| C7(×105 yuan) | 85.14 | ||
| C8(×105 yuan) | 169.48 | ||
| C9(×105 yuan) | 85.36 | ||
| C10(year) | 0.98 | ||
| C11(year) | 1.99 | ||
| C12(×105 yuan) | 851.40 | ||