A few days ago, two energy-saving retrofit projects for residual heat and residual pressure and circulatory system in Zibo City, Shandong Province were launched. The project will use three years of time to promote waste heat and pressure utilization in the seven industries of metallurgy, building materials, petrochemicals, chemical industry , thermoelectricity, and textile, and implement energy-saving renovation projects for the recycling system in the industrial and construction fields. In order to promote the two energy-saving retrofit projects, Zibo City will build a technology exchange platform by periodically publishing a list of key promotion energy conservation technologies, holding energy conservation technology promotion meetings, and on-site exchange meetings. At the same time, it will support powerful energy-saving technology service companies to implement contract energy management. For enterprises and users to provide diagnostics, financing, design, transformation, operation, management "one-stop" service, energy-saving benefit-sharing investment recovery and a reasonable profit. The city will prioritize projects with obvious energy-saving effects and apply for special funds from the state, provinces, and cities. According to preliminary calculations, after the completion of the two major energy-saving renovation projects, the city’s residual heat and pressure utilization, and the recycling system’s energy use efficiency will increase by 20%, saving 600,000 tons of standard coal annually.
A storage tank water heater is water-heating container that uses a large tank to store hot water until it is needed. This type of water heater is typically powered heating steam or gas, and is used to provide hot water for a variety of uses, including showers, dishwashing, and laundry, or other hot water requests alike. The tank is typically insulated to help maintain the water temperature and reduce energy costs. Storage tank water heaters are a popular choice for many households because they are relatively inexpensive and can provide hot water for multiple uses.
Typical heat exchanger structure is heating spiral coil inside of a steel shell. Water will be heated while passing through inside the coil, and received the energy or heat from hot steam or gas.
The main disadvantage of a storage tank water heater is that they are less energy efficient than tankless water heaters. This is because they continuously heat and reheat the same water, which can waste energy. Additionally, storage tank water heaters require more space than tankless water heaters, as they are larger in size.
In that sense, recent years are seeing storage tank water heat exchanger giving way to other efficient products, such as Shell And Tube Heat Exchanger, Plate And Frame Heat Exchanger, and so on.
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Two energy-saving retrofit projects for residual heat and pressure and circulatory system in Zibo, Shandong Province started