In the face of market downturn, even the three major mines such as Rio Tinto can not be recovered. In the past three weeks, iron ore prices have started to fall wildly, but it is not a pleasure for steel companies with long-term contracts.
On July 8, the 62% grade price of the Singa…
On July 8, the 62% grade price of the Singa…
A direct expansion solar heat pump air conditioning and hot water system, the direct expansion of solar heat pump and ice storage air conditioner organically combined, mainly by the solar collector / evaporator, compressor, condenser, electronic expansion valve, four commutation Valves, hot wat…
With the rapid development of our country's modern fire-fighting cause, the soft-start technology of microcomputer is very important in the application of fire-fighting water supply system. It can completely solve many problems of start-up of fire pump frequency (star angle or autocoupler)…
Abstract: This paper briefly introduces the calculation basis of stopping water hammer and uses computer software to simulate the working condition of stopping water hammer of actual project. According to a number of projects and computer simulation results, proposed pumping station and pipeli…
1. Air source heat pump water heater is a high degree of automation equipment, regular use of the unit status check, if the unit can be a long-term effective maintenance and repair, unit operation reliability and service life will be unexpectedly improved. 2. Outside the installation of water …
The area of ​​the arc portion of the balcony window, as shown below
…
Model NO.: TYT-BSP
Brand: Tyt
Corrosion-resistant pump is widely used in industrial production of pump products. Mainly used in petroleum, chemical, fertilizer, chemical fiber, electricity, metallurgy, papermaking, mining, textile, sugar, food and environmental protection and other national economy in various fields, with …
- Model NO.: Common wire rope 8X19W+FC …
The Xinjiang Uygur Autonomous Region Meteorological Observatory expects that the temperature in all parts of Xinjiang will increase significantly from …
Marilyn Monroe is the “sex goddess†in the minds of most Americans. Blond hair, blue eyes, red lips, and white skirts that are blown by the wind are the most profound memory Marilyn Monroe has left in the hearts of the world. What kind of house would this kind of person live in…
To lead the trend of the domestic pump industry, accurate grasp of the development trend of pump technology is the basic skills. The development of pump technology, just as the development of other industries, is driven by market demand. Nowadays, history has entered the 21st century. Under th…