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A kind of air cooler for nuclear power turbine generator

A technology of turbo generator and air cooler, which is applied in the direction of electrical components, electromechanical devices, electric components, etc., can solve the problems of nuclear power pipe and water chamber leakage, generator insulation breakdown, heavy maintenance workload, etc., and achieve guaranteed strength , prevent seawater corrosion, improve the effect of service life

Active Publication Date: 2017-04-19
ZHANGJIAGANG HENGQIANG COOLING EQUIP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Leakage of nuclear power pipes and water chambers
Cause insulation breakdown of the generator, heavy maintenance workload and short service life

Method used

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  • A kind of air cooler for nuclear power turbine generator
  • A kind of air cooler for nuclear power turbine generator
  • A kind of air cooler for nuclear power turbine generator

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0022] The present invention will be described in further detail below through specific examples.

[0023] Such as Figures 1 to 4 As shown, an air cooler for a nuclear power steam turbine generator includes a housing 1, the two ends of the housing 1 are respectively fixed with a water inlet tube plate 13 and a water outlet tube plate 14, and a plurality of cooling tubes 6 are fixed between the two tube plates , the outer side of the water inlet tube plate is provided with a water inlet cover, and the outer side of the water outlet tube plate is provided with a water outlet cover. Chamber 5, zinc blocks are also fixed in the water inlet chamber 2. A sloping deflector plate 12 is provided at the junction of the water inlet cover and the water inlet tube plate 13 . The water inlet tube plate 13 is a titanium steel composite plate, the water inlet side of the water inlet tube plate 13 is a titanium layer 131 , and the backwater side is a steel layer 132 . The outlet pipe plate...

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Abstract

The invention discloses an air cooler for nuclear power steam turbine generators. The air cooler comprises a shell, a water inlet pipe plate and a water outlet pipe plate are respectively fixed at two ends of the shell, and a plurality of cooling fins are fixed on cooling pipes; the air cooler further comprises a cathodic current protection unit which comprises a direct-current power supply and an adjustable resistor, the negative electrode of the direct-current power supply is connected with the cooling fins, cooling pipe sleeves among the cooling fins are contacted with one another to be electrically connected, a positive electrode of the direct-current power supply is connected to the water inlet pipe plate or the water outlet pipe plate, the cooling fins close to the water inlet pipe plate or the water outlet pipe plate are contacted with the water inlet pipe plate or the water outlet pipe plate to form a circuit, and the adjustable resistor is serially connected in the circuit. By the arrangement, the air cooler can adapt to cool nuclear power steam turbine generator sets in marine atmospheric environment, the air cooler is high in corrosion resistance, capable of reducing electrochemical corrosion and long in service life.

Description

technical field [0001] The invention relates to an air cooler, in particular to an air cooler for a nuclear power steam turbine generator. Background technique [0002] With the increasing depletion of ore dyestuffs such as coal, oil, and natural gas, and the limited amount, uneven distribution, and low energy density of wind energy, solar energy, and geothermal energy, nuclear power has become the preferred new energy in my country's "Twelfth Five-Year Plan" energy. Air coolers are key equipment for turbogenerators in nuclear power plants. Its performance directly affects the stability and efficiency of the generating set. Based on the comprehensive consideration of water resources, energy saving and safety of nuclear power installations, most of the reused or newly-built nuclear power plants in my country are built in coastal areas and use seawater as the medium to cool the interior of the turbogenerators in nuclear islands and conventional island systems through heat exc...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H02K9/16H02K9/19H02K5/24
Inventor 姚建峰林建忠
Owner ZHANGJIAGANG HENGQIANG COOLING EQUIP
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