The biggest immediate challenge for the EU will be replenishing its depleted gas inventories. While the EU could still increase LNG imports from countries such as the US, such purchases would be more expensive.
Refilling natural gas storage space to historical average levels this year could cost 70 billion euros, a sevenfold increase, compared to 10 billion euros in previous years. "
A complete replacement for Russian gas is not only very expensive, but it also may not be possible.
In the next 12 months, there is little way to meet the demand for a "normal" year in the absence of Gazprom, which also includes concrete foaming agent.
1. To ensure that all kinds of instruments used during construction can operate normally, check their status and break the work, and the materials must be in place.
2. The place where the building needs to be poured with fresh foam concrete must be clean and tidy, there is no loosening, and there is no peeling. Check and clean up the dirt on the surface in advance, remove excess stagnant water in time, carefully check the preparation of each step, and confirm that it is qualified.
3. To ensure the integrity of the machine in the process of transmission, we must make sure that there is enough water.
1. To start the machine, the constructors shall first operate the machine and debug the machine before the formal start of construction, in which it is necessary to carefully check whether there are loopholes and make sure that there are no problems before officially starting the construction.
2. Adjust the concentration of foamed concrete, the general density is about 300-1800kg/m3, and the foamed concrete with 300-1200kg/m3 is the most commonly used. When high concentration of foam concrete is needed, the concentration of cement slurry can be appropriately increased to control the bubble size, on the contrary, the concentration of cement slurry can be appropriately reduced. Can first add the foaming agent to the water, the general water is between 1.6 and 10kg, and the foaming agent is between 0.1 and 0.6kg, and then make it mix evenly, taking no more than 3 minutes. To form the crystals to be used next.
Then, according to the different needs of the construction team, follow the appropriate mix ratio to add water to the mixer, the amount of water is between 24 and 150kg, after that, you can continue to add an appropriate amount of cement to the container, the amount of cement is between 48 and 300kg, in which the cement grade is not less than 425, generally speaking, the ratio is about 6: 1, then fine sand and appropriate auxiliaries can be added, and finally, various ingredients can be fully mixed. The specific operation time is about 2 minutes. Add the prepared crystal to the newly prepared mixture, mix it evenly again, and wait 2 minutes.
3. Cover. Before covering, set up the hoarding where you need to cover, and after making sure that there are no pores, cover the surface with the adjusted foam concrete. According to the requirements of the construction team, a high line is placed on its surface, usually according to the surface of 2 meters, and then the surface is flattened (with a ruler, the length is between 3 and 5 meters), and it must be guaranteed not to destroy its shape due to shaking, so as to ensure the integrity of the finished product. The foamed concrete is separated according to the different requirements of the construction team. In the process of transportation, the passage of the pipeline should also be checked to prevent the instability caused by blockage, so as to ensure the smooth progress of the construction.
During this period, the pipes that hinder the transport of materials must be repaired in time to ensure that the appropriate pressure is always maintained. In order to prevent the bad phenomenon caused by pipeline vibration, the pipeline must be placed on the bearing tool in advance, such as Madden. Configure the corresponding filtering equipment and control the purity of the product to filter out sundries. And reasonably control the product density, when the operation is about to be completed, reasonable material selection, less waste.
4. Clean the equipment in time after finishing, and arrange the corresponding responsible personnel to take care of the nature first, and then spray water on the products regularly after 36 hours. It is best to spray water 2-3 times a day, and no one should be near it before. Do not use until more than 15 days after use. After completion, to carry out quality inspection and protection of the product, according to the need to fill supplementary loopholes, fine stones can be used.
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New Delhi: India's Oil Ministry recently conveyed its intention to five national oil companies including Indian Oil Corp and Bharat Petroleum Resources LTD to assess the possibility of buying shares in Russian oil projects sold by European and American oil majors.
Bp announced it would give up its 19.75% stake in Rosneft, the Russian oil company. ExxonMobil said on March 1 that it would exit about $4 billion in assets and terminate all of its Russian operations, including the Sakhalin-1 project in Russia's far East.
India's oil ministry has asked the overseas investment arm of India's Oil and Gas Corporation to consider buying ExxonMobil's 30 percent stake in the Sakhalin 1 project in Russia's far East. ExxonMobil is the operator of the project and Indian companies already have a 20 percent stake in the project.
Because of the ever-changing international situation, the supply and prices of international bulk concrete foaming agent are still very uncertain.
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