High-back-pressure condenser

A condenser and high back pressure technology, applied in steam/steam condensers, lighting and heating equipment, etc., can solve the problem that the condenser water chamber does not meet the requirements of high back pressure water chamber, and the energy saving effect of the condenser is not obvious , corrugated expansion joints are easy to damage and other problems, and achieve obvious energy saving effect, low condensate supercooling degree and cost saving effect

Active Publication Date: 2017-05-10
DEYANG DONGQI POWER STATION EQUIP
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Problems solved by technology

[0007] The purpose of the present invention is to solve the problems of unreasonable arrangement of tube bundles in the existing condenser, easy damage of corrugated expansion joints, and inability of the water chamber of the condenser to meet the requirements of a high back pressure water chamber, resulting in inconspicuous energy-saving effect of the condenser , the present invention proposes a high back pressure condenser

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Embodiment Construction

[0022] All the features disclosed in this specification, except mutually exclusive features and / or steps, can be combined in any way.

[0023] Combine below figure 1 , image 3 , Image 6 The present invention will be described in detail.

[0024] Such as figure 1 As shown, a high back pressure condenser includes a condenser shell 3 and a condenser throat 2 connected to the condenser shell 3, and the condenser shell 3 is connected to the front end of the condenser The plate tube and the tube plate at the rear end of the condenser, the middle plate tube 25 is fixed in the condenser shell, and the feature is that the condenser throat 2 is connected with a wave expansion joint 7 with a protection device, and the front end of the condenser There is a full-arc front water chamber 4 on the plate tube, and a full-arc rear water chamber 5 is connected to the tube plate at the rear end of the condenser. The waveform between the full-arc rear water chamber 5 and the condenser shell ...

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Abstract

The invention relates to a high-back-pressure condenser. A throat expansion section and a shell expansion section of the condenser are both provided with reinforcing plate sets and protective covers, so that a corrugated pipe used in the condenser is not damaged by external force. A water chamber of the condenser adopts an all-arc water chamber, so that internal eddy current and eddy current dead areas in the water chamber are improved, and cooling water entering a cooling pipe of the condenser is uniform in flowing speed. Compared with a traditional water chamber, materials are largely saved, the machining difficulty is reduced, and the machining cost is reduced. A heat exchange pipe of the condenser adopts a novel pipe distributing mode on a middle pipe plate, so that a pipe speed airflow flowing speed is uniform without eddy currents, the shell side steam resistance is low, and the heat transfer coefficient of the condenser is high.

Description

technical field [0001] The invention relates to the field of heat exchangers, in particular to a high back pressure condenser. Background technique [0002] At present, my country's power system is still a high energy consumption industry, and energy saving and consumption reduction of power system is an important way for my country to save energy and reduce emissions. The cogeneration of heat and power is one of the important ways to save energy and reduce consumption in the power system, and the energy-saving effect of high back pressure heating is the most significant. Condensing steam unit, high back pressure heating can achieve the purpose of heating by increasing the exhaust pressure and exhaust temperature of the low pressure cylinder, heating the circulating water of the heating network. [0003] The existing condenser tube bundle design has unsatisfactory condensation effect and even has a vortex dead zone, excessive flow resistance and large subcooling degree on t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F28B1/02F28B9/00
CPCF28B1/02F28B9/00
Inventor 黄文兵卢宁王星张钦刘洋林佳邓荣华
Owner DEYANG DONGQI POWER STATION EQUIP
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