Isolators industry polymers pipes
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Isolators play a crucial role in separating live voltage systems from unlived voltage systems in distribution and transmission lines . They are also used as wire supports in these lines. One common problem with isolators is the buildup of pollutants on their surfaces, which can lead to breakdown voltage and potential harm to electrical systems and humans . To prevent this, materials such as Non-Soluble Deposit Density (NSDD) are used to absorb water and bind salt pollutants on the isolator surface, inhibiting the natural cleaning process during rainy seasons . In the context of vibration isolation devices, engineering plastics with a hardness of 75D-95D are used to prevent corrosion caused by calcium chloride . In pipeline systems, vibration isolators with elastic bodies and vibration-proof plates are used to effectively isolate translation and rotation vibrations . Electric insulators with insulating rods and metal ferrules are designed to inhibit arcing and eliminate voids within the insulator .
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| Papers (5) | Insight |
|---|---|
Patent 04 Oct 2018 1 Citations | The paper does not mention anything about isolators in the polymers industry or pipes. The paper discusses methods for introducing isolators into oil and gas and liquid product pipelines. |
| The provided paper is about an electric insulator with a coating made of thermoplastic resin. There is no information about isolators in the industry, polymers, or pipes in the paper. | |
| The paper does not mention anything about the isolators industry, polymers, or pipes. The provided paper is about a vibration isolator for pipeline systems. | |
| The provided paper discusses a vibration isolation device made of engineering plastics, but it does not mention anything about the isolators industry, polymers, or pipes. | |
14 Jun 2019 1 Citations | The provided paper does not mention anything about isolators in the industry or polymers pipes. |
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What are the design features of tensegrity-based base isolators that contribute to their cost-effectiveness?5 answersTensegrity-based base isolators are designed with specific features that contribute to their cost-effectiveness. One important design feature is the use of orthotropic compressive strength in the lattice structure, which allows for efficient load-carrying and energy absorption capabilities. Additionally, the geometry of the individual components, such as the D-bar structures, can be adjusted to prevent local yielding and buckling failure with the minimum required material. These design adjustments help minimize the mass density of the lattice while still maintaining its structural integrity. Another cost-effective design feature is the use of closed-form analytical expressions and optimization methods to determine the optimal design parameters for the base isolators. By employing these methods, the performance of the isolators can be accurately compared to equivalent base isolators, ensuring that the vibration reduction capacity is maintained while minimizing material and cost requirements. Overall, the combination of efficient load-carrying capabilities, optimized design parameters, and cost-effective material usage contribute to the cost-effectiveness of tensegrity-based base isolators.
What are the advantages and disadvantages of using an isolator versus a RABS?5 answersIsolators and RABS (Restricted Access Barrier Systems) have different advantages and disadvantages. Isolators provide total separation between environments and require all air to enter through a filtration system, ensuring environmental separation. Operators are physically inside the isolator but are biologically outside through manipulative devices such as gloves or suits. On the other hand, RABS use a variety of filter systems for air makeup and exhaust air filtration. The design and efficiency of the filter system depend on factors such as the OEL level, dust creation, and SAL. Isolators offer better isolation when the rigidity of isolators is higher, the number of isolators is lower, and there is less contact between isolator and structure. Additionally, isolators with lower electrical field intensity at triple points are less prone to voltage breakdown failure. However, the specific advantages and disadvantages of isolators and RABS may vary depending on the specific application and requirements.
Is substrate in digital micro-fluids isolator or nonconductor?5 answersThe substrate in a digital micro-fluidic isolator can be either a conductor or a nonconductor, depending on the specific design and application. In some cases, the substrate may be a ferrite substrateor a semiconductor substrate. In other cases, the substrate may be coated with amphiphilic layers. The choice of substrate material and properties is determined by the desired functionality and performance of the micro-fluidic device.
How complex is the pipeline isolation plug?5 answersThe pipeline isolation plug is a multi-module device that can be transported along the pipe and activated by a fluid pressure differential. It consists of three separate plug modules: a tug module, an isolation module, and a drag module. The plug is designed to conveniently seal pipelines with different diameters, and it includes a fixing frame, bolts, through holes, a threaded rod, an abutting plate, sealing gaskets, first and second nuts, and a sealing mechanism. Pipeline isolation tools have evolved from simple and primitive designs to more advanced devices. An improved high-viscosity medium pipeline isolation device has been developed, which includes a first separation piece, a second separation piece, a liquid inlet pipe, a connecting piece, a pressure gauge, a second pipeline, and holes for liquid pouring and communication. Additionally, a pipeline internal plug and a pipeline external plug have been designed with pressure relief holes and pressure leaking holes, respectively, to facilitate installation and avoid issues caused by pressure in the pipeline.