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Phosphorus-free environment-friendly medicament for zero pollution discharge of industrial circulating water system and processing equipment of phosphorus-free environment-friendly medicament

A technology for industrial circulating water and processing equipment, applied in water/sludge/sewage treatment, descaling and water softening, natural water treatment, etc., can solve problems such as small application range, uneven composition of chemicals, and wastewater application, and achieve Avoid uneven dispersion of ingredients, increase stirring efficiency, and increase circulation speed

Pending Publication Date: 2021-06-25
朗森特环境科技(山东)有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0010] The main purpose of the present invention is to provide a phosphorus-free environment-friendly agent for zero-discharge industrial circulating water system and its processing equipment. The existing phosphorus-free environment-friendly agent for zero-discharge industrial circulating water system cannot realize waste water reuse Due to circulating water, it is impossible to truly achieve zero pollution, and it cannot solve the problem of sewage treatment. It cannot meet the needs of industrial production of circulating water, and it is easy to cause microorganisms, especially algae to grow wildly in sewage. water system; and when the environmental protection agent is processed, its processing equipment has the problem of uneven stirring and long time consumption, which leads to the inability to meet the demand for sewage discharge in time, and poor practicability; secondly, the existing environmental protection agent will be processed. A large amount of foam will be generated, which will cause the substance to float, affect the preparation quality of the entire medicament, and cause uneven composition of the medicament, which will lead to technical problems of insufficient quality of sewage treatment in later use

Method used

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  • Phosphorus-free environment-friendly medicament for zero pollution discharge of industrial circulating water system and processing equipment of phosphorus-free environment-friendly medicament
  • Phosphorus-free environment-friendly medicament for zero pollution discharge of industrial circulating water system and processing equipment of phosphorus-free environment-friendly medicament
  • Phosphorus-free environment-friendly medicament for zero pollution discharge of industrial circulating water system and processing equipment of phosphorus-free environment-friendly medicament

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0042] like Figure 1-6 As shown, a phosphorus-free and environmentally friendly agent for zero discharge of industrial circulating water systems, the agent is composed of the following raw materials in parts by weight: 15-35 parts of scale inhibitor, 20-35 parts of corrosion inhibitor, 10 parts of dispersant -15 parts, 0.5-1 part of surfactant, the balance of water, a total of 100 parts.

[0043]The specific parts by weight of each component of the agent are as follows: 27-32 parts of scale inhibitor, 20-28 parts of corrosion inhibitor, 12-15 parts of dispersant, 0.5-0.8 part of surfactant, 0.5-0.7 part of fluorescent tracer , the water balance, a total of 100 parts.

[0044] The scale inhibitor is one of sulfonated styrene / maleic anhydride copolymer, acrylic acid / 2-acrylamide-2-methylpropylsulfonic acid copolymer and methacrylic acid-styrene copolymer.

[0045] The corrosion inhibitor is one or more of cinnamaldehyde, furfural and vanillin.

[0046] The dispersant is sulf...

Embodiment 2

[0057] The production wastewater of a certain chemical factory is used for dynamic simulation test of circulating water, the wastewater is added to the circulating water system, and the medicament of the present invention is added in the circulating water system. The medicament is made by mixing the following raw materials in parts by weight: sulfonated styrene / malay 28 parts of anhydride copolymer, 20 parts of cinnamaldehyde, 12 parts of sulfamic acid, 0.5 part of imidazoline quaternary ammonium salt, water: balance, 100 parts in total;

[0058] According to the water quality, the dosage is determined to be 400mg / L, and the system runs for 60 days without any sewage discharge in the middle, and the test pieces and heat exchange tubes do not scale or corrode, completely realizing zero sewage discharge.

Embodiment 3

[0060] The converter waste water of a steel plant is used for the dynamic simulation test of circulating water, and the waste water is filled into the circulating water system, and this agent is added to the circulating water system. The agent is made by mixing the following raw materials in parts by weight: acrylic acid / 2-acrylamide-2 - 30 parts of methyl propyl sulfonic acid copolymer, 10 parts of cinnamaldehyde, 10 parts of vanillin, 13 parts of sulfamic acid, 0.6 part of imidazoline quaternary ammonium salt, water: balance, 100 parts in total;

[0061] According to the water quality, the dosage is determined to be 200mg / L, and the system runs for 45 days without any sewage discharge in the middle, and the test pieces and heat exchange tubes are not scaled or corroded, completely realizing zero sewage discharge.

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Abstract

The invention discloses a phosphorus-free environment-friendly medicament for zero pollution discharge of an industrial circulating water system and processing equipment of the phosphorus-free environment-friendly medicament. The medicament is prepared from the following raw materials in parts by weight: 15-35 parts of a scale inhibitor, 20-35 parts of a corrosion inhibitor, 10-15 parts of a dispersing agent, 0.5-1 part of a surfactant and the balance of water, totaling 100 parts. According to the phosphorus-free environment-friendly medicament for zero pollution discharge of the industrial circulating water system and the processing equipment of the phosphorus-free environment-friendly medicament, through the action of the medicament, wastewater can be recycled for circulating water, a drop of sewage is not discharged during operation, zero pollution discharge is really realized, the problem of sewage treatment is solved, the circulating water requirement of industrial production is met, the water consumption is greatly saved, the selected raw materials are environment-friendly phosphorus-free raw materials, overgrowth of microorganisms, especially algae in sewage is not easily caused, a certain bactericidal effect is achieved, the application range is wide, and wastewater of different water qualities can be applied to a circulating water system.

Description

technical field [0001] The invention relates to the field of sewage discharge agents for water circulation systems, in particular to a phosphorus-free and environment-friendly chemical agent for zero discharge of industrial circulating water systems and processing equipment thereof. Background technique [0002] With the rapid development of my country's industrialization, urbanization, and agricultural intensification, a large amount of sewage, especially complex sewage, is produced. If it is discharged directly without treatment, it will have a huge impact on the water resource environment. After simple treatment, these sewage can be reused Industrial circulating cooling water is an effective solution to water resource problems. Since wastewater contains a large amount of inorganic ions (such as Ca2+, Mg2+, SO42-, Cl-) and organic matter, as the system operates, the concentration factor becomes higher, and the surface of the system equipment is very It is easy to form insolu...

Claims

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Application Information

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IPC IPC(8): C02F5/10C02F5/12B01F7/18B01F15/00B01F15/02B01D19/02C02F103/02
CPCC02F5/10C02F5/12B01D19/02C02F2103/023C02F2303/08C02F2303/04C02F2305/04B01F27/11251B01F27/191B01F27/90B01F35/43B01F35/514B01F35/71731B01F35/7547
Inventor 刘澍李劭乾
Owner 朗森特环境科技(山东)有限公司
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