Voith: energy assessment techniques demonstrate the wisdom of experts
In recent years, Oil , Natural gas and electricity prices have been rising rapidly. Thus Papermaking One of the biggest challenges in the process is to reduce energy consumption, in order to ensure better economic returns. Voith Paper energy assessment techniques can dig the whole production line of energy-saving potential, and implement economically viable long-term improvement program to achieve energy saving and increase return on investment.
Voith's process and product engineers familiar with the paper-making process, each process and the latest energy efficient products and solutions. They closely with customers Cooperation To determine the best solution. They used the latest measurement techniques, at the scene assessment of the papermaking process. They not only focus on energy efficiency, but also concerned with the potential of energy recovery or energy production in all sectors, and energy-saving assessments of these areas.
First stage potential. Analysis of the first engineers to work together with our customers high-energy device is the production parameters, as a benchmark in the second stage of selection will be part of a detailed assessment of the major concerns, such as energy consumption accounts for 50% of the paper dryer (including hood) to assess or evaluate the energy consumption of paper machine drive.
Detailed analysis of the second stage. In the energy assessment phase, Voith's process engineers to calculate the measurement data, and assessment, including the number of total consumption of energy and so on which measurement data is particularly noteworthy.
Engineers will be taken from the paper mill and normal standards of data and selection criteria to be compared. Then, engineers started to develop the production process saving, energy recovery, the specific program.
Engineers at the scene of a few weeks after the detailed report will be delivered to customers there. The report includes a summary of the energy assessment, measurement tables, detailed analysis of the data, a comparative study of solutions and options.
Engineer's proposal is economically viable.
Third stage quotes and implementation phase. In the second stage to make the most economical solution is to offer customers the basis for engineering design. Once the client approved the project, Voith specialists will carry out engineering design and implementation of this program.
There are two successful examples. The customer's consent, engineers A, B two machines, air-handling system, related to the steam and condensate system and the B machines, hot water circulation system to measure evaluation and proposed improvement scheme economically viable.
A paper machine production capacity is 130,000 tons / year, the product is Newsprint The main quantitative as 45 grams / square meter of raw materials is Paper , TMP Department of width 5.3 m coiling. A machine
engineers and process measurements made after assessment of data improvement program. First, papermaking workshop on short-term to transform the heating device, to save the steam. Second, the expansion in 1994, the last century's transformation of heat recovery system does not have value.
B machine capacity is 190,000 tons / year, the product is LWC And newsprint, the main quantitative is 57 grams / square meter, raw material is waste paper, TMP Department of width 5.4 m coiling.
Engineer on B machine's air handling system, save paper, air-conditioning and hot water workshop carried out a detailed assessment of circulatory system. Measurement results and process data indicate that the factory can use a more economical solution to the air handling system and save paper shop ventilation system in order to achieve energy efficiency.
Experts suggest that by lowering the hood inlet temperature and heat recovery systems and expansion of integrated treatment system waste water heat recovery, the air handling system to achieve energy efficiency.
Voith plant provides energy to optimize the system, so keep paper shop air conditioning system heat recovery capability to achieve the best condition to achieve energy saving. Plant less than a year with the system time to recover the investment.
Voith also air handling system was modified. Factory with a year and a half on the return on investment. Voith Paper Technology
energy assessment energy saving potential of mining the entire production line, and implement economically viable long-term improvement program to achieve energy saving and increase return on investment. This makes customer satisfaction.
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