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Rotary machine and method for heat exchange in rotary machine

一种回转机械、热交换系统的技术，应用在热交换领域，能够解决要求高、成本密集、高空间需求等问题

Active Publication Date: 2016-09-14
SULZER MANAGEMENT AG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, such solutions are demanding from a structural point of view, are cost-intensive and generally have high space requirements

Method used

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  • Rotary machine and method for heat exchange in rotary machine
  • Rotary machine and method for heat exchange in rotary machine

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Embodiment Construction

[0034] In the following description of the rotary machine according to the invention and the method for exchanging heat according to the invention, reference is made to exemplary features of an application case in which the rotary machine is a pump which is particularly relevant in practice. However, it should be understood that the invention is not limited to such cases, but equally includes all other rotary machines in which a mechanical seal for the sealing of the shaft is provided. For example, a rotary machine could also be a compressor, turbine or generator.

[0035]Furthermore, it is assumed that, for a heat exchanger of exemplary character, the heat exchange is cooling, wherein heat is thus extracted from the system. It should be understood that the invention also encompasses applications in a similar manner in which the heat exchange is heating, which means applications in which heat is supplied to the system.

[0036] In a very schematic illustration, figure 1 A ro...

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Abstract

The invention relates to a rotary machine for conveying a fluid, comprising a drive unit (2) for driving a shaft (5), a running wheel (31) arranged on the shaft (5) for conveying the fluid, at least one mechanical gasket (6) for sealing the shaft (5); a first and a second heat exchange system (41, 42) for cooling or for heating the mechanical gasket (6), wherein the first heat exchange system (41) has a fluid heat carrier for directly impacting the mechanical gasket (6). The second heat exchange system (42) comprises a heat exchange jacket (421), through which a fluid heat carrier can flow without direct contact with the mechanical gasket (6). The first and the second heat exchange system (41; 42) form a common heat exchange system (40), in which a common fluid heat carrier can be circulated, and an impeller (44) for circulating the fluid heat carrier in the heat exchange system (40) is provided. The invention further relates to a method for the heat exchange in a rotary machine.

Description

technical field [0001] The invention, according to the preambles of the independent claims of the respective category, relates to a rotary machine for conveying fluids and to a method for heat exchange in such a rotary machine. Background technique [0002] Rotating machines such as pumps are used for conveying fluid media in various technical fields. In the industry that processes hydrocarbons, pumps play an important role in the entire process chain, typically starting from an oil field or from a gas field, and must often work under very challenging conditions from a technical point of view. Thus, the medium to be transported may be at very high temperatures of up to 200° C., for example in the case of crude oil transport. Such high temperatures represent an enormous effort and cost requirement for the pump, and especially also for the mechanical seal in such a pump. [0003] Mechanical seals are typically used for sealing the shaft, which supports the impeller of the pu...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F04D29/12
CPCF04D29/128F04D13/08F04D7/06F04D29/588F04D29/5873
Inventor S.加斯曼恩B.特罗特曼恩M.恩福萨蒂T.费利克斯
Owner SULZER MANAGEMENT AG