Freezing water pump used by nuclear power station
A technology for chilled water pumps and nuclear power plants, applied to pumps, components of pumping devices for elastic fluids, pump components, etc., can solve the problems of mechanical fatigue, inconvenient maintenance, and short life of workpieces, and reduce stress Concentration, prevention of material fatigue, and risk reduction effects
Inactive Publication Date: 2017-01-18
SHANGHAI APOLLO MACHINERY +1
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- Description
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- Application Information
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Problems solved by technology
At present, most of the equipment in nuclear power plants operating in China are imported products, and the refrigeration pumps used in nuclear power plants generally have technical problems such as large volume, inconvenient maintenance, shock resistance, short life, and mechanical fatigue of the workpiece, which cannot meet the actual application needs of the country.
Method used
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Embodiment Construction
[0016] In order to better understand the technical solution of the present invention, it will be described in detail below through specific embodiments in conjunction with the accompanying drawings:
[0017] see figure 1 A chilled water pump for a nuclear power plant according to the present invention includes a chilled water pump stator part, a chilled water pump rotor part 2 and a bearing assembly.
[0018] The chilled water pump stator components include a pump cover 11 and a pump body 12; the pump cover 11 includes a pump cover head 111 and a pump cover shoulder 112; a flushing water pipeline device 113 is provided on the top of the pump cover head 111, and the flushing water pipeline device 113 passes through two L-shaped The parts of the flushing water pipeline are connected with the pump body 12; the upper surface of the shell of the pump cover shoulder 112 has a depression, so that the inner cavity of the pump cover is retracted inward; the depression is covered with a...
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The invention discloses a chilled water pump of a nuclear power station, which comprises a chilled water pump stator component, a chilled water pump rotor component and a bearing assembly; the chilled water pump stator component comprises a pump cover and a pump body; the pump cover comprises a pump head and a pump cover shoulder; the upper surface of the shell of the pump cover shoulder is recessed to make the inner cavity of the pump cover inwards; and a pump cover reinforcing plate is covered on the recess. The invention relates to a frozen water pump for a nuclear power station. By the improvement of the shell structure on the shoulder of the pump cover, a depression is arranged at the shoulder of the pump, the shape of the inner cavity of the pump cover is adjusted, the stress concentration of the medium within the pump cover is reduced, the material fatigue is prevented, and the additional pump cover reinforcing plate is used to ensure the structural strength of the pump cover, and at the same time, the risk that the operation of the equipment is affected to stop the cooling of the reactor because sudden disasters can be reduced.
Description
technical field [0001] The invention relates to a chilled water pump used in a nuclear power plant in the field of nuclear power engineering. Background technique [0002] As the country vigorously develops the nuclear power industry, the demand for nuclear-grade pumps will increase rapidly. Safety plant water pumps (important plant water pumps) are nuclear safety level 3 and earthquake resistance 1A. At present, most of the equipment in nuclear power plants operating in China are imported products, and the refrigeration pumps used in nuclear power plants generally have technical problems such as large volume, inconvenient maintenance, shock resistance, short life, and mechanical fatigue of the workpiece, which cannot meet the actual application needs of the country. . Contents of the invention [0003] The object of the present invention is to overcome the deficiencies of the prior art and provide a chilled water pump for nuclear power plants, which is easy to implement...
Claims
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Patent Timeline
Login to View More IPC IPC(8): F04D29/58F04D29/40F04D29/046F04D29/08F04D29/10F04D29/16F04D29/04F04D29/06
CPCF04D29/586F04D29/04F04D29/046F04D29/061F04D29/086F04D29/106F04D29/165F04D29/406
Inventor 陆金琪刘毅邱健
Owner SHANGHAI APOLLO MACHINERY