Tandem Dry Gas Sealing Device and Its Application and Using Method on Light Hydrocarbon Pump
A dry gas sealing and series technology, which is applied to components of pumping devices for elastic fluids, non-variable pumps, pumps, etc., can solve the problem of inability to guarantee the sealing of product delivery pumps, affecting the normal operation of equipment, and serious accidents and other problems, to achieve the effect of reducing storage and transportation risks, reliable performance, and less solid impurities
Active Publication Date: 2017-08-25
QINGHAI SALT LAKE IND
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Problems solved by technology
[0004] An object of the present invention is to provide a tandem dry gas sealing device, which is used to solve the problem that the effective sealing of the product delivery pump cannot be guaranteed in the existing hydrocarbon product delivery process, which will cause leakage in the tank area, which will not only affect the equipment Normal work, but also cause serious accidents
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[0037] The present invention provides many applicable inventive concepts that can be embodied in numerous specific contexts. The specific examples described in the following embodiments of the present invention are only used as illustrations of specific embodiments of the present invention, and are not intended to limit the scope of the present invention.
[0038] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.
[0039] Such as figure 1As shown, this embodiment provides a series dry gas seal device, including a mechanical seal mechanism 1 and a dry gas seal mechanism 2 arranged in series, the mechanical seal mechanism 1 and the dry gas seal mechanism 2 are arranged on the pump shaft 3 Between the shaft sleeve and the shaft sleeve 4, the mechanical seal mechanism 1 is set close to the medium side, and the dry gas seal mechanism 2 is set close to the atmosphere side. Among them, the mechanical seal m...
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The invention discloses a serial type dry gas sealing device, application of the serial type dry gas sealing device to a light dydrocarbon pump and an application method of the serial type dry gas sealing device on the light dydrocarbon pump. The serial type dry gas sealing device comprises a mechanical sealing mechanism and a dry gas sealing mechanism which are arranged between a pump shaft and a shaft sleeve in a serial connection manner. The mechanical sealing mechanism is arranged close to the medium side, and the dry gas sealing mechanism is arranged close to the atmospheric side. According to the application of the serial type dry gas sealing device to the light dydrocarbon pump, the serial type dry gas sealing device is mainly applied to storage and transportation of C4 or C5 hydrocarbon substances. The application method of the serial type dry gas sealing device on the light dydrocarbon pump comprises the sealing assembling step, the sealing flushing step and the sealing achieving step. By means of the serial type dry gas sealing device, the sealing effect has dual guarantees, a large number of C4 or C5 hydrocarbon substances can be effectively prevented from leaking into the atmosphere through the application of the serial type dry gas sealing device to the light dydrocarbon pump, and zero leakage of conveying media in a C4 or C5 pump room can be achieved. According to the application method of the serial type dry gas sealing device, safe and stable running of the pump can be achieved, and the safe sealing and the sealing effect can be guaranteed under the state that the pump is started and normally runs.
Description
technical field [0001] The invention relates to the technical field of chemical light hydrocarbon product sealing, in particular to a series dry gas sealing device and its application and use method on a light hydrocarbon pump. Background technique [0002] According to statistics, nearly 70% to 80% of pumps in petrochemical process equipment are equipped with mechanical seal mechanisms, which are key components to reduce leakage, improve efficiency, reduce energy consumption, and determine the safety and reliability of machinery and equipment. Therefore, its role cannot be underestimated. The mechanical seal structure of traditional delivery pumps adopts double-end mechanical seals. This type of seal can reasonably distribute the pressure difference between the two ends of each seal and improve the working pressure range of the seal. However, the structure is relatively complicated and the volume is large, and there is product leakage. risks of. [0003] The specific prin...
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IPC IPC(8): F04D29/10
CPCF04D29/102F04D29/104
Inventor 海吉忠魏本浩苏景武曾祥兴李良李双全苏天才郭雷杨小波张志君
Owner QINGHAI SALT LAKE IND