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Low pressure drop floating type gas phase media water-sealed valve

A floating, low pressure drop technology, applied in the lift valve, valve details, valve device and other directions, can solve the problems of large pressure drop, high price, complex structure, etc., to achieve the effect of pressure drop, low cost and small volume

Active Publication Date: 2009-09-30
LUOYANG RUICHANG PETROCHEM EQUIP
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  • Abstract
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  • Claims
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Problems solved by technology

[0003] In order to overcome the deficiencies of the prior art, the present invention discloses a low-pressure-drop floating gas-phase medium water-sealed valve, which has small pressure drop, simple and compact structure, The advantages of low cost and tight sealing can effectively solve the technical problems of large pressure drop, high price and complex structure in the existing gas phase pipeline cutting equipment

Method used

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  • Low pressure drop floating type gas phase media water-sealed valve
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Embodiment Construction

[0016] The present invention will be further described below in conjunction with accompanying drawing:

[0017] A low-pressure-drop floating gas-phase medium water-sealed valve, which includes a gas inlet pipe (1), a gas outlet pipe (2), an overflow outlet (5), a valve body (7), and a water inlet and outlet (8). The valve body (7) is provided with a floating spool (6) that can float up and down, and the upper part of the floating spool (6) is provided with a sealed water tank (12) and an inner overflow port (4). 6) The wall is provided with ventilation holes (11). The lower part of the valve body (7) is provided with a supporting pad iron (9). A guide rail (10) for guiding the floating valve core (6) to move up and down accurately is provided between the valve body (7) and the floating valve core (6); a water seal water inlet ( 3).

[0018] When in use, if it is necessary to cut off the gaseous medium, the water inlet and outlet (8) start to enter water, and when the water ...

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Abstract

A low pressure drop floating type gas phase media water-sealed valve comprises a gas inlet pipe (1), a gas outlet pipe (2), a spillover port (5), a valve body (7), and a water inlet / outlet (8), and is characterized in that a floating valve core (6) capable of floating up and down is arranged in the valve body (7); the upper end of the floating valve core (6) is provided with a sealing water tank (12); a guide rail (10) on which the floating valve core (6) can move up and down is arranged between the valve body (7) and the floating valve core (6); and the upper end of the valve body (7) is provided with a water-sealed water inlet (3). The water-sealed valve has the advantages of low price, tight sealing, large regulating range, small pressure drop (200Pa), good energy-saving effect, simple and compact structure, good economic returns, and the like, and is suitable of fluctuant working condition.

Description

technical field [0001] The invention relates to a water seal valve, in particular to a low pressure drop floating gas phase medium water seal valve used for cutting off gas phase medium in oil refining and chemical industry. Background technique [0002] At present, when transporting low-pressure gaseous medium with large flow and large flow channel (pipeline diameter > 2m) in oil refining and chemical industry, the following pipeline cutting techniques are usually adopted: 1. Large cut-off valve. However, there are problems in the design and manufacture of large-scale globe valves, high-temperature deformation, jamming and difficult operation. There are no related products in China, and they need to be imported, but the price is expensive. 2. Large regulating butterfly valve. Large-diameter butterfly valves have problems such as expensive price, poor sealing, and easy deformation and leakage when heated, so they are only used in occasions where a small amount of gaseous...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16K1/34F16K31/12F16K25/00
Inventor 郝巍邵松程高锋
Owner LUOYANG RUICHANG PETROCHEM EQUIP
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