Excess voltage protector for high sensitivity drainer
An overvoltage protector and high-sensitivity technology, applied in pipeline systems, mechanical equipment, gas/liquid distribution and storage, etc., can solve problems such as inability to immediately cut off leaked gas, blockage, and increased load on gas pipelines
Active Publication Date: 2012-12-12
ANSHAN HONGYUAN TECH CO LTD
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Problems solved by technology
[0002] The devices for overpressure protection of gas pipeline drains or preventing gas leakage in the prior art all have dead zones for overpressure protection. When the gas pressure is just greater than the actual water seal pressure of the drain (the difference between the gas pressure and the water seal pressure When the difference is called overpressure protection dead zone), the device cannot immediately cut off the leaked gas, only when the gas pressure is much greater than the actual water seal pressure, the drainer can act to block the overpressure leaked gas
In addition, due to the large amount of drainage from the drainer, the overvoltage protector or the gas leakage prevention device will automatically close, resulting in blocked drainage, which will easily increase the load of the gas pipeline and cause the risk of collapse
Method used
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[0017] See figure 1 , figure 2 , a high-sensitivity drain overvoltage protector, a sensitivity regulator and a gas-water separator are installed successively before the drain overpressure protector; the upper outlet pipe 6 of the sensitivity regulator is connected with the gas-water separator lead pipe 7, and the gas-water The separator guide pipe 7 is connected to the inlet plate 9 of the drainer overpressure protector body, and the outlet of the air-water separator guide pipe 8 is at the lower part of the drainer overpressure protector valve plate 12, forming a high-sensitivity drainer overvoltage protector; The sensitivity adjuster is composed of an upper inlet pipe 1, a lower inlet pipe 2, a lower outlet pipe 5, and an upper outlet pipe 6, and the upper inlet pipe 1, the lower inlet pipe 2 and the lower outlet pipe 5, The upper outlet pipe 6 is separated and connected at the bottom to form a U-shaped water-sealed cavity, and the bottom of the device is provided with a ha...
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The invention relates to a high sensitivity water drainer excess pressure protector which is produced by adding a sensitivity regulator and a gas-water separator before an excess pressure protector in prior art. The sensitivity regulator can thoroughly eliminate water drainer excess pressure protector or water drainer gas leakage preventing device, prevents a gas leakage excess pressure dead region, and can cut off leaking gas caused by an excess pressure quickly, accurately and tightly in the whole region when the gas pressure is bigger than practical water sealing pressure of the water drainer; the gas-water separator can eliminate water obstruction caused by that the water drainer drains water with a large amount and leads to automatic shut of the excess pressure and gas leakage preventing device. The sensitivity regulator is a U-shaped water sealing cavity composed of an upper inlet tube, a lower inlet tube, a hand hole, a lower output tube and an upper output tube of the sensitivity regulator; the gas-water separator is composed of a leading tube and a flow guide tube. The invented device is provided with no power requirement, automatic recognition, water draining when water exists, closing when gas exists, cabinet design, convenient installation and maintenance, and a long service life.
Description
technical field [0001] The invention relates to the field of gas pipeline drainage facilities, in particular to an overvoltage protector for a high-sensitivity drain. Background technique [0002] The devices for overpressure protection of gas pipeline drains or preventing gas leakage in the prior art all have dead zones for overpressure protection. When the gas pressure is just greater than the actual water seal pressure of the drain (the difference between the gas pressure and the water seal pressure When the difference is called the overpressure protection dead zone), the device cannot immediately cut off the leaked gas, only when the gas pressure is much greater than the actual water seal pressure, the drainer can act to block the overpressure leaked gas. In addition, due to the large amount of drainage from the drainer, the overvoltage protector or the gas leakage prevention device will automatically close, resulting in blocked drainage, whic...
Claims
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IPC IPC(8): F17D3/14F17D5/02
Inventor 于晓峰于晓波于圣源于帆于连第
Owner ANSHAN HONGYUAN TECH CO LTD