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Improved series-parallel operating device of mixed ion exchanger

A technology of mixing ions and operating devices, applied in the direction of ion exchange column/bed method, ion exchange water/sewage treatment, etc., can solve the problems of large equipment investment and high operating cost, and achieve high automation, reduce pollution, and balance the regeneration cycle Effect

Active Publication Date: 2011-05-25
CHINA TIANCHEN ENG +1
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  • Abstract
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Problems solved by technology

Domestic technology has little consideration for process optimization in this situation. At present, the commonly used method is to design a second-stage mixed bed operation form according to the most unfavorable water quality. Such a technical solution mainly has the following problems: (1) When changing the water source, some equipment In the state of deactivation or overload operation, the equipment investment is large and the operating cost is relatively high

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  • Improved series-parallel operating device of mixed ion exchanger
  • Improved series-parallel operating device of mixed ion exchanger
  • Improved series-parallel operating device of mixed ion exchanger

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Embodiment Construction

[0010] The present invention will be described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0011] The improved mixed ion exchanger series-parallel operation device of the present invention comprises a first-stage mixed bed 9 and a second-stage mixed bed 10 and a main water inlet pipe, on which the first-stage mixed-bed water inlet pipeline of the first-stage mixed-bed water inlet valve 1 is housed One end is connected with the main water inlet pipe and the other end is connected with the water inlet of the first-stage mixed bed, on which the second-stage mixed-bed water inlet valve 3, the sixth joint valve 6 and the fifth joint valve 5 are sequentially installed. One end of a water inlet pipeline is connected with the main water inlet pipe 11 and the other end is connected with the first-stage mixed-bed water inlet pipeline at the outlet end of the first-stage mixed-bed water inlet valve, and the first-stage mixed-bed outlet valve 2...

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Abstract

The invention discloses an improved series-parallel operating device of a mixed ion exchanger, comprising a primary mixed bed, a secondary mixed bed, a water inlet main pipe and a water outlet main pipe, wherein a communicating valve is arranged between the primary mixed bed and the secondary mixed bed, so that the two mixed beds can operate in series and in parallel, and the mixed beds connected in series can realize secondary exchange. The improved series-parallel operating device has the advantages that an operating mode is convenient to adjust according to the conditions of water source and water quality, the mixed beds connected in series can realize secondary exchange, the equilibrium of the regeneration period of all resin is ensured, and the service life of the resin is prolonged.

Description

technical field [0001] The invention relates to a water treatment device, in particular to a mixed ion exchanger (hereinafter referred to as a mixed bed) desalinated water treatment system, an operating device for switching the mixed bed in series and in parallel according to the change of water quality and quantity. Background technique [0002] In chemical enterprises, the current desalinated water production process commonly used is reverse osmosis membrane system + mixed bed system. The water sources used to produce desalinated water include surface water, groundwater, desalinated sea water or water for sewage treatment and reuse. After the raw water of different water quality is treated by the reverse osmosis device, the types and concentrations of ions contained in the water entering the mixed bed are different. meet water quality standards. For the existing single-stage mixed bed treatment process, see figure 1 , See the process flow of the two-stage mixed bed fi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F1/42B01J47/02
Inventor 王晓梅张伟华徐恒泉
Owner CHINA TIANCHEN ENG
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