Condensate fine treatment high-temperature running system having heat supply and pure condensation modes

A technology of condensate polishing and high-temperature operation, which is applied in the direction of ion exchange water/sewage treatment, etc., and can solve problems such as expensive operation costs

Inactive Publication Date: 2014-04-02
HUADIAN POWER INTERNATIONAL CORPORATION LTD +2
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Problems solved by technology

However, when the resin is running during heating at a condensing water temperature of 80-85°C, the degradatio

Method used

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  • Condensate fine treatment high-temperature running system having heat supply and pure condensation modes
  • Condensate fine treatment high-temperature running system having heat supply and pure condensation modes
  • Condensate fine treatment high-temperature running system having heat supply and pure condensation modes

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[0038] In order to better understand the high-temperature operation system of condensate polishing with dual modes of heating and pure condensation according to the present invention, the high-temperature operation of condensate polishing with dual modes of heating and pure condensation according to the present invention will be described below with reference to the accompanying drawings Specific embodiments of the system.

[0039]In the improvement of the fine treatment section of the present invention, three new high-speed mixed beds lined with butyl rubber (temperature resistance 100-120°C) are added on the basis of existing equipment, and they are arranged in the original three high-speed mixed beds of No. 2 unit. The location of the bed; the original three high-speed mixed beds lined with natural rubber were changed to resin storage tanks, and they were arranged at the zero-meter expansion end of the No. 2 unit room, and moved to the south of the original high-speed mixed ...

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Abstract

The invention relates to transformation of a No. 2 unit condensate fine treatment system in a power plant, in particular to a condensate fine treatment high-temperature running system having heat supply and pure condensation modes. Three butyl rubber (resistant to the temperature of 100-120 DEG C)-lined high-speed mixing beds are arranged at the positions of three original high-speed mixing beds in a No. 2 unit on the basis of current equipment; the original three natural rubber-lined high-speed mixing beds are changed into resin storage tanks which are arranged on the zero expansion ends of a No. 2 unit room and moved to the southern sides of the original high-speed mixing beds, and a resin conveying pipeline, a flushing water pipeline and a compressed air pipeline are connected between the resin storage tank and the three newly-added high-speed mixing bed equipment, so that switching and conveying of home-made resin and imported resin under heat supply and pure condensation working conditions are facilitated. Thus, normal work of condensate fine treatment equipment of over high temperature during back-pressure running of the No. 2 unit during a heat supply period is ensured; meanwhile, normal running and regeneration of a condensate fine treatment system of a No. 1 unit is not influenced.

Description

technical field [0001] The invention relates to the transformation of the condensate polishing system of No. 2 unit in the prior art power plant, in particular, it relates to a condensate polishing high-temperature operating system with dual modes of heating and pure condensation. Background technique [0002] In the prior art, during the heat supply period of the condenser, that is, the high back pressure condition, the condensate temperature is 80-85°C, and the condensate polishing equipment of Unit 2 is lined with natural rubber, and the natural rubber can withstand long-term operation. The maximum temperature does not exceed 60°C, which is dangerous. [0003] In the prior art, the tolerance temperature of Chinese medium-pressure or imported medium-pressure resins, qualified cation resins basically do not decompose at 80°C, and anion resins begin to decompose at 50°C~60°C, and the volume exchange capacity decreases. When the exchange capacity drops by about 10%, the wate...

Claims

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Application Information

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IPC IPC(8): C02F1/42
Inventor 苏振勇成渫畏孙德政宋岩王汉苓周闽陈志勇杜芳华何海深胡赛群
Owner HUADIAN POWER INTERNATIONAL CORPORATION LTD
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