Finnish energy expertise and cleantech products are trusted in Beijing`s District Heating Projects

Published: 23.03.2015

“Alongside the fast economic development of the past 30 years, China is facing the tremendous pain of air pollution. Even in Beijing, the capital, there is nowhere to escape from the harm of air pollution, heavy with pm 2.5 fine particulates. The soaring, grimy chimneys of the coal-fired power stations have belched the last of their choking fumes into Beijing's atmosphere,” describes Cindy Jun Du director of Beijing CQV Trading Co. Ltd.

One of the major moves in confronting and alleviating the damaging effects of pollution is the establishment of the gas-burning Four Giant Heating Center-Thermal Power Plants, which have been supplying heat to the capital since 2013. For this huge project, four big DN1400 pipelines and other branched lines have been under construction since 2013. They will be completed in 2016 to connect the new gas-burning Thermal Power plants to the existing pipelines downtown. The old coal-burning power plants will then be shut down. Beijing CQV Trading Co., as the sole agent of Vexve products in China, has been promoting and marketing Vexve products since 1994, and has gained a strong reputation as trusted supplier of Vexve-manufactured heating valve also for the abovementioned project.

“The co-operation with Vexve combines more than 20 years of experience in the Chinese energy industry, strong knowledge of the specific requirements of valve operating environments and Finnish energy expertise,” concludes Cindy Jun Du

In 2016, after the four thermoelectric centers are completed and the original coal-fired power plants in Beijing are shut down, coal usage will be cut by 9.2 million tons. Directly affecting PM 2.5 pollution, they will make a significant contribution to improving air quality in Beijing. Vexve is proud to be a part of these projects, as the key valve supplier for the heating lines.

The project type, ambient conditions and life-cycle cost optimization define the best solution

The district heating network expansion or renovation project design phase defines the ambient operating conditions for which the selected valve solutions must be suitable. The new network groundwork phase affects structural solutions, whether it is part of a city center network or a network expansion outside the urban area. It is also important to determine the criticality of the line to be built as part of the network, or how vital it is to infrastructure functionality also in unexpected situations.

In addition to groundwork phase costs, it is necessary at the planning stage to look at the whole life-cycle costs, such as the operating, servicing and maintenance costs and try to optimize these for the entire network life-cycle.

Safety is always the base criteria in selecting structural and valve solutions. During the design and installation phase, the availability of technical support, operational training and consultation ensures that solutions deliver desired benefits without compromising safety.

The right choices require cooperation between experts. In the autumn of 2014, Vexve Export Manager Frans Rantapere and maintenance engineer Matti Törmänen of Auma Finland Oy trained local Beijing experts in the planning of operating environment conditions with respect to different valve solutions. Below are four different models, all of which work excellently under the right conditions.

 

Solution 1 Solution 2 Solution 3 Solution 4 
ProductVexve valves and Auma Matic electric actuatorProductVexve valves and Auma Norm electric actuator with removable control unit.ProductVexve valves and Vexve Hydrox hydraulic actuatorProductPre insulated valve package (Vexve valves and Vexve Hydrox hydraulic actuator)
Construction locationOutside the city (transmission line)Construction locationCity centreConstruction locationCity centreConstruction locationOutside the city (transmission line)
Construction methodTunnelConstruction methodChamberConstruction methodChamberConstruction methodUnderground
Construction phase costHigh construction costConstruction phase costMedium construction costConstruction phase costMedium construction costConstruction phase costLow construction cost
Working conditionEnvironment is dry, electricity is safely available.Working conditionEnvironment is moist and wet, no electricity available.Working conditionEnvironment is moist and wet, no electric available.Working conditionDirectly buried underground
BenefitsCan be controlled locally or remotely and manually during power failure,
Easy to operate over long distances,
High kv-values » low pumping cost
BenefitsCan be controlled manually or with electricity from ground level,
High kv-values » low pumping cost
BenefitsControlled with control unit in chamber,
No need for electricity » safe,
No danger of electric shock,
High kv-values » low pumping cost
BenefitsControlled with control unit on the ground manually, (options; by electricity or remotely)
No need for electricity » safe,
No danger of electric shock. Space saving,
High kv-values » low pumping cost
 ActuatorEasy to maintain ActuatorEasy to maintain ActuatorMaintenance free ActuatorMaintenance free

 

Vexve´s products are designed for the entire life-cycle of the district cooling and heating systems to deliver the highest possible energy efficiency and cost-effectiveness throughout the whole network. We also offer manual gears, electric and hydraulic actuators, extension spindles and pre-insulated valve assemblies tailored according to customer specific requirements.

Vexve's cleantech products are our contribution to promoting energy saving and emission reduction. Our valve solutions are part of a securely operating, safe, energy efficient and economically optimized energy distribution network.

Vexve valve products are made to meet the requirements of district heating and cooling utilities.
PED, EN488, EN1983, P-mark, ISO9001, ISO1400


For additional information:

Anne Savolainen
Export Director, Asia
Tel. +358 10 734 0824
m;.co;xve;/ve;nen;lai;avo;e.s;ann

 


Read this article in Chinese »

 

 

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