Purified water preparation system and preparation method

A preparation system and technology for purifying water, which is applied in chemical instruments and methods, water treatment parameter control, water/sewage treatment, etc., can solve the problems of waste of water resources, waste of regenerants, start of regeneration, etc., so as to save waste of water resources , Improve operating efficiency and avoid excessive regeneration

Pending Publication Date: 2020-05-19
JIANGSU ZHENGFAN HUADONG PURIFICATION +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

When the hardness value of the raw water changes, the operating mode will show that the resin is saturated and has not been regenerated, resulting in unsatisfactory hardness of the produced water and affecting the long-term stable operation of the system, or starting to regenerate when the resin is not saturated, resulting in waste of regenerant
[0008] (2) Water machine operation mode: When the traditional

Method used

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  • Purified water preparation system and preparation method
  • Purified water preparation system and preparation method
  • Purified water preparation system and preparation method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0093] This embodiment provides a purified water preparation system, and the preparation system includes a softening unit and a filtering unit connected in sequence.

[0094] The softening unit includes a first softening device 1 and a second softening device 2 connected in series, and the water inlet of the first softening device 1 and the water inlet of the second softening device 2 are independently connected to the upstream water supply system. Along the direction of water flow, the water outlet of the first softening device 1 and the water inlet of the second softening device 2 are sequentially connected through the first series pipeline 5, and the water produced by the upstream water supply system enters the first softening device 1 for initial absorption and softening, and then passes through the first series connection. The pipeline 5 leads into the second softening device 2 , and the softened water obtained after the two-stage adsorption treatment enters the hardness t...

Embodiment 2

[0101] The method for preparing purified water using the purified water preparation system provided in Example 1 mainly includes two steps of softening treatment and filtration treatment. The softening treatment mainly removes calcium ions and magnesium ions in the product water of the upstream water supply system through the softening unit. The water produced in the upstream water supply system is softened to obtain softened water, and the filtration treatment is mainly to fine-filter the softened water through the filter unit to obtain purified water.

[0102] Specifically, in the softening process, the first softening device 1 and the second softening device 2 are alternately treated to absorb and soften the produced water of the upstream water supply system. figure 2 with image 3 , to describe the alternate processing route in detail:

[0103] Such as figure 2 As shown, the valve set on the dotted line pipeline is closed, and the valve set on the solid line pipeline i...

Embodiment 3

[0110] The method for preparing purified water using the purified water preparation system provided in Example 1 mainly includes two steps of softening treatment and filtration treatment. The softening treatment mainly removes calcium ions and magnesium ions in the product water of the upstream water supply system through the softening unit. The water produced in the upstream water supply system is softened to obtain softened water, and the filtration treatment is mainly to fine-filter the softened water through the filter unit to obtain purified water.

[0111] Specifically, the softening process adopts the process route of the first softening device 1 and the second softening device 2 in series to carry out adsorption and softening of the produced water in the upstream water supply system, which is combined below Figure 4 Detailed description of the serial processing route:

[0112] Such as Figure 4 As shown, the valve set on the dotted line pipeline is closed, and the va...

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Abstract

The invention provides a purified water preparation system and a purified water preparation method. The preparation system comprises a softening unit and a filtering unit which are connected in sequence. The softening unit comprises at least two softening devices which are connected in series, and the softening devices are respectively and independently connected into an upstream water supply system. The softening unit further comprises a hardness detection device which is independently connected with the softening devices, and the hardness detection device is used for detecting the hardness of softened water discharged by the softening devices. The purified water preparation system provided by the invention is additionally provided with the hardness detection device, when the quality of raw water changes, the hardness of produced water is monitored on line in real time through the hardness detection device, whether the adsorbent is exhausted or not is intelligently judged, excessive regeneration of the adsorbent is avoided under the condition that it is guaranteed that the hardness value of the final produced water meets the requirement, and the use amount of a regenerant is savedfor customers to the maximum extent.

Description

technical field [0001] The invention belongs to the technical field of purified water preparation, and relates to a purified water preparation system and a preparation method, in particular to a purified water preparation system and a preparation method combining an ion exchange method and a reverse osmosis method. Background technique [0002] In pharmaceutical factories such as vaccines or biological agents, pharmaceutical factories using cell culture, food factories or blood preparation factories, a large amount of purified water will be used in the experiment and production process. The above industries have high requirements for purified water, and generally need to go through Multi-stage filtration, and the prepared purified water is used in different stages or processes of the production line. Therefore, the preparation of purified water has become an indispensable device in the biological and pharmaceutical industries. [0003] CN209922965U discloses a purified water...

Claims

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Application Information

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IPC IPC(8): C02F9/04C02F103/04
CPCC02F1/001C02F1/441C02F9/00C02F2001/425C02F2103/02C02F2209/055
Inventor 曹根华
Owner JIANGSU ZHENGFAN HUADONG PURIFICATION
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