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Continuous Blowdown Tank
The continuous blowdown flash tank is connected to the boiler’s continuous blowdown outlet and serves to reduce the pressure and expand the volume of the boiler’s continuous blowdown before discharging it. The secondary steam is routed through a dedicated pipeline, typically to the deaerator, while the waste hot water is automatically discharged via a float‑type level control valve or an overflow‑adjustment valve, usually into a fixed‑drain flash tank, allowing the thermal energy to be recovered and reused. The continuous blowdown flow rate is automatically adjusted in response to changes in the boiler feedwater load, maintaining a relatively stable blowdown rate. By utilizing the secondary steam and waste hot water as heat sources, a portion of the heat lost in the boiler’s continuous blowdown can be recovered, thereby improving boiler efficiency.
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Keywords:
Blowdown Tank
Product Introduction
Continuous Blowdown Tank
The continuous blowdown tank is connected to the boiler’s continuous blowdown outlet and serves to reduce the pressure and expand the volume of the boiler’s continuous blowdown before discharging it. The secondary steam is routed through a dedicated pipeline, typically to the deaerator, while the waste hot water is automatically discharged via a float‑type level control valve or an overflow‑adjustment valve, usually into a fixed‑drain flash tank, allowing the thermal energy to be recovered and reused. The continuous blowdown flow rate is automatically adjusted in response to changes in the boiler feedwater load, maintaining a relatively stable blowdown rate. By utilizing the secondary steam and waste hot water as heat sources, a portion of the heat lost in the boiler’s continuous blowdown can be recovered, thereby improving boiler efficiency.
Structure and Function
The expansion vessel consists of a main body, auxiliary components, and other parts. The main body comprises a cylindrical shell, elliptical end caps, a manhole, and internal fittings. These internal fittings include wear‑resistant devices, cooling water inlet assemblies, and overflow devices, among others.
Project Location | Customer Name | Project Name |
| QTY. |
Continuous Blowdown Tank & Periodic Blowdown Tank | ||||
Australia | Ameco Foster Wheeler | Port Pirie Waste Heat Boiler Project, Australia | Intermittent Blowdown Tank | 1 |
Morocco | Shandong Electric Power Construction No. 3 Engineering Co., Ltd. | Morocco Noor III 150 MW Concentrated Solar Power Plant Project | Blowdown Tank | 5 |
Philippines | Ameco Foster Wheeler | Philippine SEC 210-1 × 105 MW coal-fired power plant | Continuous Blowdown Tank Intermittent Blowdown Tank | 4 |
Malaysia | Shanghai Boiler Works Co., Ltd. | Malaysia Liwen 1 × 260 t/h Biomass–Coal CFB Boiler and Auxiliary Systems Project | Continuous Blowdown Tank Intermittent Blowdown Tank | 2 |
Russia | China Fifth Ring Engineering Co., Ltd. | Russia’s Syzran Fertilizer Project | Blowdown Tank | 3 |
Singapore | Jiangsu Haitong Economic and Trade Co., Ltd. | Singapore Tuas 300 TPD Waste-to-Energy Project | Blowdown Tank Gas storage tank | 9 |
Maldives | Jiangsu Haitong Economic and Trade Co., Ltd. (China Tianying Co., Ltd., CNTY) | Maldives Energy and Waste Management Waste-to-Energy Project | Blowdown Tank | 3 |
Saudi Arabia | Oriental Lingri Boiler Co., Ltd. | Saudi Al-Jafra Project | Continuous Blowdown Tank Intermittent Blowdown Tank | 2 |
Indonesia | Shanghai HaiGuo Technology Co., Ltd. | Indonesia Oman 900 KTPA AMIN Self-Provided Copper Smelting Plant Project | Intermittent Blowdown Tank | 4 |
Gambia | Tianjin Gela Gas Compression Equipment Co., Ltd. | Gambia GGC Biomass Power Plant Project | Intermittent Blowdown Tank Hydrophobic expansion vessel | 5 |
Thailand | Chongqing Sanfeng Cavantha Environmental Industry Co., Ltd. | Thailand Chokchai 9.9 MW WTE Project | Deaerator Blowdown Tank | 4 |
South Korea | Sumitomo Heavy Industries Fuhui Energy Management (Shanghai) Co., Ltd. | Korean TW Project | Atmospheric Flash Drum Continuous Blowdown Tank | 2 |
Malaysia | Oriental Lingri Boiler Co., Ltd. | Malaysia Miri Gas-fired Power Plant Project | Continuous Blowdown Tank Intermittent Blowdown Tank | 2 |
Iraq | Oriental Lingri Boiler Co., Ltd. | Iraq Zubair Gas Turbine Unit Single-to-Combined Project | Continuous Blowdown Tank Intermittent Blowdown Tank | 2 |
Brazil | Valmet Technology Co., Ltd. | Brazil | Intermittent Blowdown Tank Continuous Blowdown Tank | 2 |
Saudi Arabia | Oriental Lingri Boiler Co., Ltd. | Saudi Gazlan Combined-Cycle Gas Power Plant Expansion Project | Intermittent Blowdown Tank Continuous Blowdown Tank | 16 |
Hydrophobic expansion vessel | ||||
Oman | Shandong Electric Power Construction No. 3 Engineering Co., Ltd. | Oman Salalah Phase II 430 MW Gas-Fired Combined-Cycle Power Plant Project | Hydrophobic expansion vessel | 8 |
Jordan | Shandong Electric Power Construction No. 3 Engineering Co., Ltd. | Jordan Samareh Phase IV 66.4 MW Combined-Cycle Expansion Project | Hydrophobic expansion vessel | 1 |
Japan | Andritz Austria | Japan Ichihara Project | Hydrophobic expansion vessel | 2 |
United Arab Emirates | Shandong Electric Power Construction No. 3 Engineering Co., Ltd. | UAE DUBAL 550 MW Combined-Cycle Power Plant | Hydrophobic expansion vessel | 1 |
Bahrain | Shandong Electric Power Construction No. 3 Engineering Co., Ltd. | Bahrain Adu Phase II Independent Water Plant and Power Station Project | Hydrophobic expansion vessel | 4 |
Bangladesh | China Energy Construction Group Northeast Electric Power First Engineering Company | Meghnaghat PhaseⅡFuel Gas589.75MW/Fuel Oil 541.22MW Combined Cycle Power Station Project, Bangladesh | Hydrophobic expansion vessel | 1 |
Indonesia | Sumitomo Heavy Industries Fuhui Energy Management (Shanghai) Co., Ltd. | Indonesia Mania Smelter Project | Hydrophobic expansion vessel | 2 |
Uzbekistan | China Energy Construction Group Zhejiang Thermal Power Construction Co., Ltd. | Uzbekistan Syr Darya 1,500 MW Gas-Fired Combined-Cycle Independent Power Plant | Hydrophobic expansion vessel | 1 |
Saudi Arabia | Shandong Electric Power Construction No. 3 Engineering Co., Ltd. | Saudi Taiba 1,800 MW Combined-Cycle Power Plant Project | Blowdown Tank | 21 |
Singapore | Shandong Electric Power Construction No. 3 Engineering Co., Ltd. | Singapore CCP50 600 MW Combined-Cycle Power Plant Project | Blowdown Tank | 4 |
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Product Certification
EU PED Certification Certificate
Canadian CRN Certificate
DOSH-certificate
Uzbekistan GOST Certification
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Continuous Blowdown Tank
The continuous blowdown flash tank is connected to the boiler’s continuous blowdown outlet and serves to reduce the pressure and expand the volume of the boiler’s continuous blowdown before discharging it. The secondary steam is routed through a dedicated pipeline, typically to the deaerator, while the waste hot water is automatically discharged via a float‑type level control valve or an overflow‑adjustment valve, usually into a fixed‑drain flash tank, allowing the thermal energy to be recovered and reused. The continuous blowdown flow rate is automatically adjusted in response to changes in the boiler feedwater load, maintaining a relatively stable blowdown rate. By utilizing the secondary steam and waste hot water as heat sources, a portion of the heat lost in the boiler’s continuous blowdown can be recovered, thereby improving boiler efficiency.
Keywords:
Blowdown Tank
Contact Us
Sales Department Phone:
Tel: +86-0531-87510324
Fax: +86-0531-87983154
After-sales Service Department Phone:
Tel: +86-0531-87510324
Company email:
Email: jpvf@jirong.net.cn
Email: sales@jirong-thermal.com
Company Address:
Mailing Address: No. 18 Huaxin Road, Jinan City, Shandong Province
WeChat Official Account
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Sales Department Phone:
Tel: +86-0531-87510324
Fax: +86-0531-87983154
After-sales Service Department Phone:
Tel: +86-0531-87510324
Company email:
Email: jpvf@jirong.net.cn
Email: sales@jirong-thermal.com
Company Address:
Mailing Address: No. 18 Huaxin Road, Jinan City, Shandong Province
WeChat Official Account
Get a quote
Committed to expanding business in overseas markets, with product design, manufacturing, and R&D aligned to international standards.
Design of Three Types of Pressure Vessels
Manufacturing License
U Certification by the American Society of Mechanical Engineers (ASME)
ISO 9001 Quality Management System Certification
ISO 14001 Environmental Management System Certification
OHSAS 18001 Occupational Health and Safety Management System Certification
