Condensation water recovery pump mechanical seal cooling device
A technology for mechanical seals and cooling devices, which is applied to components, mechanical equipment, pumps, etc. of pumping devices for elastic fluids, and can solve problems such as bursting auxiliary seal rings, coking, and wear of mechanical seal friction pairs.
Inactive Publication Date: 2020-08-25
GANSU YINGUANG CHEM IND GRP CO LTD
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Problems solved by technology
[0004] The invention proposes a mechanical seal cooling device for a condensate recovery pump to solve the problems of wear, bursting and coking of the auxiliary sealing ring of the mechanical seal friction pair when the condensate recovery pump transports high-temperature condensate, prolongs the service life of the mechanical seal and reduces the use process maintenance cost in
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[0017] In order to make the purpose, content and advantages of the present invention clearer, the specific implementation manners of the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments.
[0018] This embodiment proposes a condensate recovery pump mechanical seal cooling device, its structure is as follows figure 1 As shown, it is controlled by the cooling circulating water inlet pipeline, buffer tank, pipeline booster pump 1, bypass valve and control valve group 2, distributor 3, pressure gauge 6, mechanical seal cooling chamber 5, and the inlet and outlet of the mechanical seal cooling chamber The valve group 4 is composed of the cooling circulating water return pipeline.
[0019] Wherein, since cooling circulating water is used as the cooling medium, and the medium contains many impurities, a buffer tank is added before the inlet of the pipeline booster pump 1 . The cooling circulating water of the co...
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The invention provides a condensation water recovery pump mechanical seal cooling device. Cooling circulating water of a cooling circulating water inlet pipe network enters into a buffer tank througha cooling circulating water entrance pipeline; after flowing out from an outlet of the buffer tank, the cooling circulating water enters into a bypass valve and a control valve of a pipeline pressurepump, then enters into the pipeline pressure pump, and the cooling circulating water pressurized by the pipeline pressure pump flows into a distributor; after being distributed by the distributor, thecooling circulating water flows into a plurality of mechanical seal cooling cavities; temperature of the cooling circulating water at the outlets of the mechanical seal cooling cavities is controlledthrough an inlet and outlet control valve group of the mechanical seal cooling cavities; and after flowing out from the outlets of the mechanical seal cooling cavities, the cooling circulating waterenters into a cooling circulating water backwater pipe network through a cooling circulating water backwater pipeline. The condensation water recovery pump mechanical seal cooling device provided by the invention can provide a cooling medium needed for a mechanical seal, consequently realizes reduction of temperature of the mechanical seal in work, and achieves an aim of prolonging service life ofthe mechanical seal.
Description
technical field [0001] The invention belongs to the technical field of mechanical seal cooling, and in particular relates to a mechanical seal cooling device for a condensed water recovery pump. Background technique [0002] At present, the condensate recovery pump used in the waste acid treatment device is a horizontal centrifugal pump, which is a cantilever structure, and the shaft seal is designed as a built-in water-cooled structure with a jacket, and a cooling jacket is provided on the pump cover. During the operation of the pump, the shaft seal cooling water enters from the inlet of the mechanical seal cooling chamber, the outlet is connected to the cooling jacket of the pump cover, and the outlet of the jacket is connected to the return water pipe network. When the working temperature of the pump’s conveying medium is around 158°C, there is a problem of vaporization of the conveying medium. When cooling with digested water and desalinated water (water pressure 0.4MPa,...
Claims
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CPCF04D29/586
Inventor 白立军陈建勋张志强王见溯刘静祁淑兰王向军李志刚刘小斌
Owner GANSU YINGUANG CHEM IND GRP CO LTD