A device and method for improving steam quality
A technology of steam quality and steam, applied in steam generation, feed water heater, preheating, etc., can solve the problems of unutilized waste heat, unstable use effect, high power consumption, etc., and achieve the effect of saving work energy consumption and energy saving. The effect of obvious, expanding the scope of application
Active Publication Date: 2018-01-19
WUXI XUELANG ENVIRONMENTAL TECH CO LTD
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Problems solved by technology
However, the temperature and pressure of waste heat steam is relatively low, and its use effect is unstable and low in efficiency in vacuum smelting, power generation and other occasions, so it is mostly used in a small amount of heating, but the application of low-temperature and low-pressure waste heat steam is very limited. If it cannot be widely used, a large amount of waste heat will not be utilized and will be wasted in vain; and for the problem of limited application of low-temperature and low-pressure waste heat steam, it is usually to improve the quality of steam through combustion and compression of electric energy or fuel, thereby expanding the scope of application , but during the lifting process, the fuel consumption is large, the power consumption is large, and the cost is relatively high
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[0013] Such as figure 1 As shown, a device for improving steam quality includes a steam mixer 1, a steam turbine 2, a heat exchanger 3, a pressurizer 4, and a high-pressure steam generator 5. 5 is a mixing device for the medium-temperature steam; the steam turbine 2 is a device for converting thermal energy into mechanical energy; a heat exchange tube is arranged in the heat exchanger 3, and the steam inside and outside the heat exchange tube can perform indirect heat exchange; the bottom of the heat exchanger 3 is opened There is a condensate outlet and is connected to the outside through pipes; the pressurizer 4 is a steam booster device; the high-pressure steam generator 5 is equipped with a heat exchange tube, and the inner and outer sides of the heat exchange tube are respectively fed with high-temperature steam and high-pressure feed water. Heat exchange is performed through the pipe wall; the high-pressure feed water inlet of the high-pressure steam generator 5 is conne...
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The invention provides a device and method for improving the steam quality. The device and method can be widely applied to waste heat steam, a large amount of waste heat is fully utilized, the steam quality can be improved, the application range is widened, and the purpose of using low-grade heat energy is achieved. A steam inlet of a steam mixer is connected with a waste heat steam source. A steam outlet of the steam mixer is connected with a steam inlet of a steam turbine. A steam mixing port of the steam mixer is connected with a low-pressure steam outlet of a high-pressure steam generator. A steam outlet of the steam turbine is connected with a low-pressure steam inlet of a heat exchanger. A low-pressure steam outlet of the heat exchanger is connected with a steam inlet of a pressurizing machine. A heating steam inlet of the heat exchanger is connected with the low-pressure steam outlet of the high-pressure steam generator. A steam outlet of the pressurizing machine is connected with a low-pressure steam inlet of the high-pressure steam generator. An axle of the steam turbine is in linkage with a transmission shaft of the pressurizing machine. A high-pressure water supply inlet of the high-pressure steam generator is connected with a high-pressure water supply pipe, and a high-pressure steam outlet of the high-pressure steam generator is connected with a high-pressure steam pipeline.
Description
technical field [0001] The invention belongs to the technical field of heat treatment and equipment, and specifically relates to a device and method for improving steam quality. Background technique [0002] In industrial production, various kilns are used and generate a lot of waste heat, which can save a lot of energy, but some of the waste heat has not been fully utilized, and there are still many problems in the utilization of some of the waste heat. At present, the best way to utilize waste heat is to produce waste heat steam, which can be used for heating, vacuum smelting, power generation, etc. However, the temperature and pressure of waste heat steam is relatively low, and its use effect is unstable and low in efficiency in vacuum smelting, power generation and other occasions, so it is mostly used in a small amount of heating, but the application of low-temperature and low-pressure waste heat steam is very limited. If it cannot be widely used, a large amount of was...
Claims
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IPC IPC(8): F22B3/00F22D1/32
CPCF22B3/00F22D1/32
Inventor 尹华勤
Owner WUXI XUELANG ENVIRONMENTAL TECH CO LTD