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An adjustable steam cooler with built-in diversion device

A technology of steam cooler and flow diversion device, which is applied in the direction of steam generation, feed water heater, preheating, etc., which can solve the problems of increasing steam cooler bypass piping system layout, unable to realize flow redistribution, and poor flow distribution adjustment. Achieve good flow regulation, reduce the risk of wall temperature overheating, and save operating costs

Active Publication Date: 2016-10-12
DONGFANG BOILER GROUP OF DONGFANG ELECTRIC CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The shortcomings of the existing steam cooler: the layout of the bypass pipe system of the steam cooler is added; the throttle orifice is arranged in the bypass pipe, which cannot realize the redistribution of the flow, the flow distribution is poorly adjustable, and it is difficult to overhaul; the system layout Complex and high investment cost

Method used

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  • An adjustable steam cooler with built-in diversion device
  • An adjustable steam cooler with built-in diversion device
  • An adjustable steam cooler with built-in diversion device

Examples

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Embodiment Construction

[0024] The following non-limiting examples illustrate the invention.

[0025] refer to Figures 1 to 4 As shown, an adjustable steam cooler with a built-in flow diversion device is included in the spherical head of the water chamber, and is sealed and connected to the spherical head shell 1 of the water chamber and the heat exchange tube sheet 10 in the radial direction. There is a semi-circular pass hole 13 on the split divider 2, and a cover plate is sealed and connected to the pass hole 13. The cover plate consists of a left cover plate 3, a middle cover plate 4 and a right cover plate. The plates 5 are spliced ​​together, and the left, middle and right cover plates 3, 4, and 5, as well as the cover plate and the split partition plate 2, are all sealed and connected by studs 6, anti-retraction washers 8 and locknuts 7 (in the cover plate Bolt holes are provided at suitable positions around, and threaded connection blind holes consistent with the bolt holes of the cover pla...

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Abstract

The invention discloses an adjustable steam cooler of a built-in flow distribution device, and belongs to the field of an auxiliary engine of a power station. The adjustable steam cooler comprises a route dividing clapboard arranged in a water room spherical plug end, and connected to the middle of a water room spherical plug end shell and an inner heat exchange pipe plate thereof in a sealing manner along the radial direction; a semicircular pass hole is arranged on the route dividing clapboard; a cover plate seals, covers and connects to the pass hole; the cover plate is formed by assembling a left cover plate, a middle cover plate and a right cover plate; the left, middle and right cover plates, the cover plate and the route dividing clapboard are connected in a sealing manner through a bolt, a retaining gasket and an anti-loosening nut; a main hole is arranged on the middle cover plate, and the left cover and the right cover plate are respectively provided with at least one adjusting hole for adjusting the opening and the closing; the aperture of the main hole is over two times than that of the adjusting hole. The adjustable steam cooler is simpler in structure, lower in cost, and convenient to use; the adjustable steam cooler can realize the purpose that the water flow reaches the proportional distribution at the inner part of the steam cooler; besides, the redistribution of water flow can be conveniently realized, and the flow adjusting property is good.

Description

technical field [0001] The invention belongs to the field of power station auxiliary machines, in particular to a steam cooler. Background technique [0002] At present, a front-mounted steam cooler is added to the heat recovery system of the primary reheat unit and the double reheat unit of the power station. Further increase the feed water temperature and improve the thermal economy of the whole unit. Due to the large feed water flow rate of the steam cooler, in order to realize the economical rationality of the equipment design, the feed water flow is allocated proportionally to enter the equipment to participate in heat exchange, and the feed water that does not participate in heat exchange directly passes through the bypass pipe of the equipment. The flow distribution is usually achieved by setting a throttling orifice in the bypass pipe of the steam cooler. [0003] The shortcomings of the existing steam cooler: the layout of the bypass piping system of the steam coo...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F22D1/32
Inventor 郝利军邓科王江樊进国袁宁季敏东
Owner DONGFANG BOILER GROUP OF DONGFANG ELECTRIC CORP
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