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Water treatment agent and preparation method thereof

A water treatment agent and water treatment technology, applied in the direction of complex/solubilizer treatment, etc., can solve the problems of increased phosphorus content in urban drainage and unfavorable sewage treatment, and achieve excellent anti-corrosion and good anti-corrosion effect.

Inactive Publication Date: 2005-10-26
北京洁利尼水处理工程有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The phosphate concentration of this method is as high as 5-10ppm, which is several times more than that of "Guilijing". This will increase the phosphorus content in urban drainage, which is not conducive to sewage treatment

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0036] Weigh each raw material (unit: g) according to the following weight: sodium hexametaphosphate 600, calcium hydrogen phosphate 200, copper carbonate 50, zinc carbonate 50; mix the above-mentioned raw materials together uniformly; melting material: put the above-mentioned mixture in Melt in a volume lined with high-temperature quartz material, control the melting temperature range to 700°C, the reaction temperature is 1000°C, and the total heating time is 1.5 hours; forming: the molten glass is continuously cast in the mold (the The material is chrome steel. In the center of the steel bar with a thickness of 2cm, a length of 12cm and a width of 6cm, there is evenly a series of hemispherical holes with a diameter of 2cm. The holes are connected with a small groove with a length of 2cm. The small hole opened can form a spherical shape), and then the primary product of the corresponding shape is demoulded; annealing: the primary product is annealed, the annealing temperature ...

Embodiment 2

[0038] Weigh each raw material (unit: g) by the following weight: sodium hexametaphosphate 700, calcium hydrogen phosphate 300, copper carbonate 100, zinc carbonate 100; mix the above raw materials together uniformly; Melting is performed in a volume lined with a high-temperature quartz material, the controlled melting temperature range is 950°C, the reaction temperature is 1300°C, and the total heating time is 3.5 hours; molding: the molten glass is continuously cast in a mold (the The material is chrome steel. In the center of the steel bar with a thickness of 2cm, a length of 12cm and a width of 6cm, there is evenly a series of hemispherical holes with a diameter of 2cm. The holes are connected with a small groove of 2cm long. The small hole opened in the center can form a spherical shape), and then the primary product of the corresponding shape is demoulded; annealing: the primary product is annealed, the annealing temperature is 350 ° C, the annealing time is 50 minutes, a...

Embodiment 3

[0040]Take each raw material (unit: g) according to the following weight: sodium hexametaphosphate 625, calcium hydrogen phosphate 225, copper carbonate 75, zinc carbonate 75; mix the above-mentioned raw materials together uniformly; melting material: put the above-mentioned mixture in Melting is performed in a volume lined with a high-temperature quartz material, the controlled melting temperature range is 800°C, the reaction temperature is 1200°C, and the total heating time is 2.5 hours; molding: the molten glass is continuously cast in a mold (the The material is chrome steel. In the center of the steel bar with a thickness of 2cm, a length of 12cm and a width of 6cm, there is evenly a series of hemispherical holes with a diameter of 2cm. The holes are connected with a small groove of 2cm long. The small hole opened in the center can form a spherical shape), and then the primary product of the corresponding shape is demoulded; annealing: the primary product is annealed, the ...

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Abstract

The present invention discloses a new water treatment agent and its preparation method. Its composition includes (by weight portion) sodium hexametaphosphate 60-70 portions, calcium hydrogen phosphate 20-30 portions, copper carbonate 5-10 portions and zinc carbonate 5-10 portions. Its preparation method includes the following steps: mixing the above-mentioned raw materials uniformly, melting them in a container with liner made of high-temperature quartz material, forming, annealing and cooling so as to obtain the invented product.

Description

technical field [0001] The invention relates to a water treatment agent, in particular to a polyphosphate salt water treatment agent and a preparation method of the water treatment agent, belonging to the field of water treatment engineering. Background technique [0002] In the middle of the 20th century, people discovered that polyphosphate has the characteristics of chelating calcium and magnesium salts in water, that is, calcium carbonate and magnesium carbonate formed in water can be suspended in water without being precipitated from water by the action of phosphate ions, that is, to avoid Therefore, this type of polyphosphate (containing a small amount of silicic acid) is widely used as a scale inhibitor in water treatment processes. In the 1980s, Germany introduced a spherical silicon phosphate with the trade name "SILIPHOS", which is widely used in the world and can be used in drinking water with the approval of FAO / WHO (United Nations and World Health Organization)....

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F5/08
Inventor 吴金城张文杜春鹏
Owner 北京洁利尼水处理工程有限公司
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