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Water film evaporative condenser vacuum tube box

A vacuum tube box and condenser technology, applied in steam/steam condensers, lighting and heating equipment, etc., can solve the problems of cracked welds, increased back pressure of steam turbines, decreased vacuum degree, etc., to enhance resistance to external pressure. ability, the effect of reducing the span

Inactive Publication Date: 2012-09-26
深圳中兴新源环保股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Otherwise, the pipe box will be deformed, which will cause the weld to crack, the vacuum degree will drop, the back pressure of the steam turbine will increase, and the power generation capacity will decrease

Method used

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  • Water film evaporative condenser vacuum tube box
  • Water film evaporative condenser vacuum tube box
  • Water film evaporative condenser vacuum tube box

Examples

Experimental program
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Effect test

Embodiment Construction

[0030] The present invention is implemented like this:

[0031] exist figure 1 Among them, along the height direction of the tube box, a horizontal support plate is installed to divide a large span in the height direction into two small spans. Such as figure 2 As shown, along the width direction of the tube box, two vertical support plates divide one large span in the horizontal direction into three small spans. The horizontal and vertical spans of the pipe box are reduced, and the ability of the pipe box top plate, bottom plate and side plate to resist external pressure is enhanced.

[0032] Such as figure 1 As shown, the horizontal support plate and the vertical support plate are in x The end face of the direction should be welded on the tube sheet and supported on the cover plate, so that the horizontal span and vertical span of the tube sheet and cover plate are also reduced, so the compressive capacity of the tube sheet and cover plate is also enhanced.

[0033] Th...

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Abstract

The invention relates to a steam power cycle system of a steam turbine generator unit in a thermal power plant, in particular to a water film evaporative condenser vacuum tube box. Horizontal and vertical support plates inside the tube box divide the large-span structure in the width and the height directions of the tube box into a plurality of small-span structures, so that the external pressure bearing capacity of the rectangular plate tube box during the condenser operation is greatly enhanced. Balance flow-passing holes are formed in both the horizontal support plate and the vertical support plate. When the total circulation areas of heat exchange tubes above and below the vertical support plate are different, the total area of the balance flow-passing holes in the horizontal support plate is larger than the larger one in the total circulation areas of the heat exchange tubes above and below the horizontal support plate. The water film evaporative condenser vacuum tube box has the benefits that the support plates are additionally mounted inside the tube box to reduce the plate span of the tube box and enhance the external pressure resistance of the tube box.

Description

technical field [0001] The invention relates to a steam power cycle system of a steam turbine generator set in a thermal power plant, in particular to a vacuum tube box of a water film evaporation condenser. [0002] Background technique [0003] The steam power cycle of a thermal power plant needs to condense the exhaust steam at the outlet of the steam turbine into water. At present, thermal power plants in North China and Northwest China are constrained by water resources, and direct air-cooling steam is widely used. The high temperature period in summer is also the peak period of electricity load. The water film evaporation condenser can be used as a peak condensing system in parallel with direct air cooling to ensure that the unit is fully powered during high temperature in summer. If reclaimed water is used as the cooling water source of the water film evaporative condenser, the operation of the water film evaporative condenser during the non-summer high temperature ...

Claims

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Application Information

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IPC IPC(8): F28B9/00
Inventor 陈良才黄素逸王炎关欣符厚田莫逊冯友福董敏
Owner 深圳中兴新源环保股份有限公司
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