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Regenerated water making system and method

A technology for preparing system and reclaiming water, which is applied in water treatment parameter control, chemical instruments and methods, water/sewage treatment equipment, etc. The effect of improving economic and environmental benefits, reducing the efflux of reclaimed water, and improving the rate of reclaimed water reuse

Inactive Publication Date: 2018-12-14
SHOUGANG JINGTANG IRON & STEEL CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] This application provides a reclaimed water preparation system and method, which solves or partially solves the technical problem in the prior art that the reclaimed water produced by industrial sewage through conventional water treatment processes cannot meet the requirements of industrial net circulating water and turbid circulating water

Method used

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  • Regenerated water making system and method
  • Regenerated water making system and method
  • Regenerated water making system and method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0039] See attached figure 1 , this example provides a reclaimed water preparation system, including: reclaimed water suction well 3, reclaimed water supply pipe 7, desalted water supply pipe 8, reclaimed water differential pressure flowmeter 5, reclaimed water regulating valve 4, desalted salted water differential pressure flowmeter 9 and desalted water regulating valve 10, wherein:

[0040] The reclaimed water supply pipe 7 and the desalted water supply pipe 8 are connected to the input end of the reclaimed water suction well 3; the reclaimed water differential pressure flowmeter 5 and the reclaimed water regulating valve 4 are arranged on the reclaimed water supply pipe 7; the desalted water differential pressure flowmeter 9 And the desalinated water regulating valve 10 is arranged on the desalinated water supply pipe 8; wherein, the reclaimed water sent by the reclaimed water supply pipe 7 and the desalted water sent by the desalted water supply pipe 8 are mixed in the reg...

Embodiment 2

[0046] This example also provides a method for preparing reclaimed water, which is realized by the reclaimed water preparation system of Embodiment 1, including the following steps:

[0047] S1: Treat the sewage generated by the iron and steel enterprises through the sewage treatment station to form reclaimed water;

[0048] S2: send the reclaimed water into the regeneration water suction well 3 through the reclaimed water supply pipe 7;

[0049] S3: send the desalted water to the regeneration water suction well 3 through the desalted water supply pipe;

[0050] S4: Reclaimed water and desalinated water are mixed according to a set ratio to form regenerated water. The electrical conductivity of the reclaimed water is less than 1100μS / cm, and the chloride ion content is 200-220mg / L.

[0051] Wherein, step S4 specifically includes: obtaining the reclaimed water flow rate sent by the reclaimed water pressure differential flowmeter 5 on the reclaimed water supply pipe 7 through t...

Embodiment 3

[0053] See attached figure 2 , this example provides the second reclaimed water preparation system, including: reclaimed water suction well 3, reclaimed water supply pipe 7, desalinated water supply pipe 8, reclaimed water differential pressure flowmeter 5, reclaimed water regulating valve 4, desalinated water differential pressure flow rate Meter 9 and desalted water regulating valve 10, wherein:

[0054] The reclaimed water supply pipe 7 and the desalted water supply pipe 8 are connected to the input end of the reclaimed water suction well 3; the reclaimed water differential pressure flowmeter 5 and the reclaimed water regulating valve 4 are arranged on the reclaimed water supply pipe 7; the desalted water differential pressure flowmeter 9 And the desalinated water regulating valve 10 is arranged on the desalinated water supply pipe 8; wherein, the reclaimed water sent by the reclaimed water supply pipe 7 and the desalted water sent by the desalted water supply pipe 8 are m...

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Abstract

The invention relates to a regenerated water making system and method. The system comprises a regenerated water sucking well, a reclaimed water supply tube, a desalted water supply tube, a reclaimed water pressure difference flowmeter, a reclaimed water adjusting valve, a desalted water pressure different flowmeter and a desalted water adjusting valve, wherein the reclaimed water supply tube and the desalted water supply tube are connected with the input end of the regenerated water sucking well; the reclaimed water pressure difference flowmeter and the reclaimed water adjusting valve are arranged on the reclaimed water supply tube; the desalted water pressure different flowmeter and the desalted water adjusting valve are arranged on the desalted water supply tube. The method comprises thefollowing steps: treating sewage generated in a steel company into reclaimed water in a sewage treatment station; feeding the reclaimed water into the regenerated water sucking well; feeding desaltedwater into the regenerated water sucking well; mixing the reclaimed water with desalted water according to a set ratio, thereby obtaining regenerated water. The regenerated water made by using the regenerated water making system and method is capable of meeting requirements on quality of industrial purified circulated water and turbid recycled water, reducing the making cost of regenerated water,increasing the recycling rate of reclaimed water, reducing emission of reclaimed water, and increasing economic and environment protection benefits.

Description

technical field [0001] The invention relates to the technical field of water treatment, in particular to a regenerated water preparation system and method. Background technique [0002] Energy saving and emission reduction is the strategic goal of the whole country. As one of the key energy-consuming industries, the iron and steel industry is the focus of energy saving and emission reduction. The water system of iron and steel enterprises generally adopts the cycle-cascade water supply system, and restricts the direct flow of industrial fresh water. Industrial sewage is collected and treated to become reclaimed water, but when it comes to reuse, many companies face the embarrassing situation of low quality reclaimed water, lack of users, and the embarrassing situation that a large amount of new industrial water needs to be introduced. To achieve energy saving and emission reduction, it is not only necessary to study the water treatment process, but more importantly, it is n...

Claims

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Application Information

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IPC IPC(8): C02F1/00
CPCC02F1/00C02F2201/007C02F2209/03C02F2209/05C02F2209/29C02F2209/40
Inventor 孙雪吴刚穆进章王刚曹云明崔胜国张波唐智新徐升
Owner SHOUGANG JINGTANG IRON & STEEL CO LTD
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