The working principle of hydraulic gear pump is that when the gear rotates, the volume of the space on the side of the gear becomes larger from small to form a vacuum, and the liquid is inhaled. The volume of the space on the side of the gear meshes from large to small, and the liquid is squeezed into the pipeline.
In terms of terms, gear pump is also called positive displacement device, that is, like a piston in a cylinder, when a tooth enters the fluid space of another tooth, because the liquid is incompressible, so the liquid and tooth can not occupy the same space at the same time, so that the liquid is mechanically squeezed out.
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The Jinan District Dazhan Group Valve Plant was piloted in advance to reform coal. Wang Fu, general manager, said: “One of the biggest highlights is the improvement of the environment, which is more refreshing than before; the quality and efficiency of another production have been improved, and the product has been greatly improved. The competitiveness."
Jinnan District's pollution control valve companies implemented coal-to-electricity projects and received strong support from the power and environmental protection departments. The township station has successfully implemented the coal-to-electricity reform pilot model project, which has effectively promoted the progress of other enterprises to implement coal-to-electricity projects. Wu Aimin, deputy director of the Jinnan District Government, said: “We have made breakthroughs in the transformation of coal-to-electricity in our entire valve base. The next step will be to enhance the construction of the public service platform of the valve.
Jinnan District has achieved initial success in implementing coal-to-electricity reform for valve companies
Xiaozhan Town in Jinnan District is one of the important production bases for medium and low pressure valves in China, with 81 valve casting enterprises. In the past, these companies produced valves that were cast in cupolas, consumed large amounts of coal, and failed to meet heavy discharge standards. Since last year, the Jinnan District Government has determined 34 stations in the Xiaozhan Town area to be treated, suspended or dismantled 47 seats, and newly installed 46 electric stoves, initially reaching the environmental protection production standards. Liu Jianmin, deputy head of the government of Xiaozhan Town, Jinnan District, said: “We plan to complete the installation of transformers before the Spring Festival and realize the transmission of electricity after the Spring Festival. In April of this year, we will finish all work on the new electric furnaces. It is expected that the total investment in the new furnaces will increase. Reached 120 million yuan."