Low-condensed-water recovering system
A recovery system and condensation water technology, applied in lighting and heating equipment, steam/steam condensers, etc., can solve the problems of increasing operating costs, heat energy loss, increasing the processing capacity of exhaust steam condensers, etc., to achieve energy saving, Low manufacturing and operating costs, saving investment costs and operating costs
Inactive Publication Date: 2007-03-28
李树生
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Problems solved by technology
[0002] Under the existing technology, the condensed water (low plus condensed water) produced by the low-pressure heater matched with the steam turbine in the power plant is introduced into the exhaust steam output pipeline of the steam turbine through the pipeline, and sent to the exhaust steam condenser together, which not only increases the exhaust gas The processing capacity of the condenser increases the operating cost and causes unnecessary heat energy loss
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[0009] Referring to Fig. 1, the low-load condensate recovery system provided by the present invention can be connected to the heat pipe network of the steam turbine for use. The exhaust steam of the steam turbine 1 is connected to the exhaust steam condenser 3 for condensation, and a negative pressure or a certain degree of vacuum is formed at the tail of the steam turbine to improve the power generation capacity of the steam turbine. The condensed water formed after the exhaust steam is condensed is sent to the condensed water tank 2, and after being heated by several heaters, it finally enters the boiler deaerator 8 for utilization. Each heater obtains steam for heating from the steam turbine, and heats the exhaust steam condensed water through heat exchange, so as to gradually increase the temperature of the condensed water, making it suitable for the requirements of the deaerator. The heating medium (steam or steam-water mixture) discharged from the rear heater can enter t...
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This invention relates to a recovery system for low pressure heaters composed of a fluid absorbing and discharging device and a temperature-rising recovery device, in which, said temperature-rising recovery device is made up of one tank or multiple tanks in series, the inlet of which is connected with the outlet of the jet absorbing and discharging device with several high pressure pumps, said absorbing and discharging device includes a jet inlet and absorbing inlet and said outlet, said jet inlet is connected with the output pipeline of said high pressure pump, the absorbing inlet is connected to the condensation water outlet of the heater, Venturi tubes, new type of large flow jet-absorbing tubes or multi-level multi-tube jet absorbing pumps can be applied for the jet absorbing device, which can enables the use of condensation water of low pressure heaters without reducing the temperature by a dead steam condensater.
Description
technical field [0001] The invention relates to a low-addition condensation water recovery system mainly used in power plants. Background technique [0002] Under the existing technology, the condensed water (low plus condensed water) produced by the low-pressure heater matched with the steam turbine in the power plant is introduced into the exhaust steam output pipeline of the steam turbine through the pipeline, and sent to the exhaust steam condenser together, which not only increases the exhaust gas The processing capacity of the condenser increases the operating cost and causes unnecessary heat energy loss. Contents of the invention [0003] In order to overcome the above-mentioned defects of the prior art, the present invention provides a low-addition condensate recovery system. After adopting this recovery system, the low-addition condensate can be utilized without passing through the exhaust steam condenser, thereby reducing heat energy waste. [0004] The technic...
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IPC IPC(8): F28B9/08
Inventor 李树生
Owner 李树生