After a busy day of work, returning home to unload fatigue, nothing beats the fresh moment when showering under the shower. Showers that bring relaxation, sophistication and inspiration have become an indispensable tool in people's lives. The choice of shower determines the overall feel and quality of the shower.
Bathroom shower
A complete shower includes a shower head, shower column and hose. Among them, the double sprinkler configuration is more, including an overhead shower and a hand shower; a single hand shower with a single hand shower configuration is not uncommon; the luxuriously configured shower has one or the other in addition to the overhead shower and hand shower Multiple side spray showers for the waist massage. The shape of the sprinkle is most common in the shape of a circle, as well as a unique square, free and easy star, etc., giving people the opportunity to personalize their choice.
Well-designed showers ensure that the amount of water dispensed per nozzle is essentially the same, so water must be seen when choosing a shower. When selecting, let the shower tilt out of the water. If the water at the top of the nozzle is obviously small or not, it means that the internal design of the shower is very general. Even if there are many kinds of water discharge methods such as lasing and spraying, the user may not get the corresponding. A pleasant experience. Next, look at the shower head. If the shower is used for a long time, it will inevitably have scale deposit. If it can't be cleaned, some shower nozzles may be blocked. The well-designed shower head is often prominent, easy to clean, or shower. The nozzle is made of silicone material. When cleaning, use a rag or hand to remove the scale deposited on the nozzle. Looking at the shower coating, in general, the brighter and more delicate the shower surface, the better the coating process. Finally, look at the shower valve core. The good shower valve core is made of ceramic with high hardness. It is smooth and wear-resistant, so as to prevent the leakage of dripping. Consumers must try to twist the switch. If the hand feel is bad. This kind of shower is best not to buy.
Drilling BOP And Control System
During oil drilling, it is installed on the wellhead casing head to control high-pressure oil, gas, and water blowout devices. When the oil and gas pressure in the well is high, the blowout preventer can close the wellhead (shut down). When the heavy mud is pressed into the drill pipe, there is a four-way under the ram, which can replace the mud invaded by gas, increase the pressure of the liquid column in the well, and suppress the ejection of high-pressure oil and gas.
Its types are divided into ordinary blowout preventer, universal blowout preventer and rotary blowout preventer. The universal blowout preventer can be activated in emergency situations to deal with any size of drilling tools and empty wells; the rotary blowout preventer can realize the blowout and drilling operation. In deep well drilling, in addition to two ordinary blowout preventers, universal blowout preventers and rotary blowout preventers are often added, so that three or four combinations are installed at the wellhead.
Annular Blow-out Preventer Annular Blow-out Preventer is usually equipped with a large gate with a ram-type blowout preventer. During operation, a sealed annular space is formed between the pipe string and the wellbore. When there is a pipe string in the well, it can also be separated The well is closed, but it will not work after several times of use, and long-term shut-in use is not allowed.
Drilling BOP And Control System,Double ram blowout preventer, single ram blowout preventer, annular blowout preventer, blowout preventer control system
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