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Poor big industrial blood flow water treatment become the new hot spot
by：Lvyuan Filter
2021-01-22
Whether in production or in the life, water is very widely used.
This also requires, sewage treatment must choose suitable process and equipment according to its purpose, in order to achieve the final emission standard and the standard of recycling.
At present, the field of water treatment has a huge industry, the industry value chain form a complete market niche.
1, water and water treatment
need to use in production and living water, the water must be treated, make water quality meet certain standards before they can use; In order to reduce environmental pollution, used in the process of production and living water, must also be processed and meet certain standards before they can discharge; In order to reduce the dosage of water, water conservation, water is also used by the need after processing can be reused. The so-called water ( WaterTreatment) , is refers to the application of physical, chemical and biological methods, make the whole process of water quality meet the requirements of production, life and environment.
water has the following characteristics: good chemical stability, not easy to decompose; Heat capacity is big, the commonly used temperature range, will not produce significant expansion or compression; Under the condition of high boiling point, in the presence of commonly used, from vaporizing in heat exchanger; The sources of water, good liquidity, easy to transport and distribution, the price is low. So, in the iron and steel metallurgy, petrochemical, electric power, papermaking, and many other industries widely used.
almost, no productive industry need not into the water.
in industrial production, water can be used as a raw material already, also can be used as the process water, boiler water, washing water and cooling water, etc. , is one of the biggest amount of cooling water, about 60% of the industrial water. Such as iron and steel metallurgical industry with plenty of water to cool the blast furnace, converter, electric furnace and furnace and related equipment; In oil refining, chemical industry, fertilizer industry, pulp and paper production such as with a lot of water to cool the craft materials, semi-finished products and products; In power plants, thermal power plant water to create steam to drive a turbine power generation, at the same time with plenty of water cooling condenser to recycling water; In textile dyeing, the characteristic, with plenty of water to cool the air conditioning system and refrigeration system.
different USES of water, under the different production environment, its processing requirements also vary. Such as process water quality often needs to accord with the needs of specific equipment and processes; The boiler water quality requirements, on the other hand, according to the working pressure and temperature of the boiler. And as required water quality of cooling water is different from the process water, boiler water, such as water temperature should be as low as possible, the lower turbidity of water, difficult to scale, the metal equipment corrosion and bacterium and algae breeding, etc. The condition of water quality difference and the particularity of the production process, determine the professional and applicability of water treatment technology.
at present, mainly for industrial water sources of fresh water from the river water, lake and reservoir water surface and groundwater, etc. In different areas, different seasons, different sources of water, the salt content, pH value, total hardness, total alkalinity of water quality aspects, such as there is a huge difference, sometimes even in the same river upstream and downstream water quality has very big difference. As China's major rivers water quality, water salinity is minjiang water has more than 10 times, and magnesium levels of tarim river is the pearl river water magnesium content of about 800 times. In order to meet production requirements, must be to deal with different water quality. Water treatment technology was first in order to solve the water demands of industrial production, but with the development of economy and industrial water consumption has increased dramatically, the contradiction between supply and demand of water and environmental pollution caused by industrial pollution and has gradually become the focus of social attention, through repeated utilization ratio of water treatment in order to improve the water and to economize on water, reducing sewage discharge, reduce the pollution of the environment, has become a new water treatment technology service industry. Therefore, water treatment is very important not only to the industrial production, to save water, reduce the pollution of the environment also plays a very important role.
1, water and water treatment
need to use in production and living water, the water must be treated, make water quality meet certain standards before they can use; In order to reduce environmental pollution, used in the process of production and living water, must also be processed and meet certain standards before they can discharge; In order to reduce the dosage of water, water conservation, water is also used by the need after processing can be reused. The so-called water ( WaterTreatment) , is refers to the application of physical, chemical and biological methods, make the whole process of water quality meet the requirements of production, life and environment.
water has the following characteristics: good chemical stability, not easy to decompose; Heat capacity is big, the commonly used temperature range, will not produce significant expansion or compression; Under the condition of high boiling point, in the presence of commonly used, from vaporizing in heat exchanger; The sources of water, good liquidity, easy to transport and distribution, the price is low. So, in the iron and steel metallurgy, petrochemical, electric power, papermaking, and many other industries widely used.
almost, no productive industry need not into the water.
in industrial production, water can be used as a raw material already, also can be used as the process water, boiler water, washing water and cooling water, etc. , is one of the biggest amount of cooling water, about 60% of the industrial water. Such as iron and steel metallurgical industry with plenty of water to cool the blast furnace, converter, electric furnace and furnace and related equipment; In oil refining, chemical industry, fertilizer industry, pulp and paper production such as with a lot of water to cool the craft materials, semi-finished products and products; In power plants, thermal power plant water to create steam to drive a turbine power generation, at the same time with plenty of water cooling condenser to recycling water; In textile dyeing, the characteristic, with plenty of water to cool the air conditioning system and refrigeration system.
different USES of water, under the different production environment, its processing requirements also vary. Such as process water quality often needs to accord with the needs of specific equipment and processes; The boiler water quality requirements, on the other hand, according to the working pressure and temperature of the boiler. And as required water quality of cooling water is different from the process water, boiler water, such as water temperature should be as low as possible, the lower turbidity of water, difficult to scale, the metal equipment corrosion and bacterium and algae breeding, etc. The condition of water quality difference and the particularity of the production process, determine the professional and applicability of water treatment technology.
at present, mainly for industrial water sources of fresh water from the river water, lake and reservoir water surface and groundwater, etc. In different areas, different seasons, different sources of water, the salt content, pH value, total hardness, total alkalinity of water quality aspects, such as there is a huge difference, sometimes even in the same river upstream and downstream water quality has very big difference. As China's major rivers water quality, water salinity is minjiang water has more than 10 times, and magnesium levels of tarim river is the pearl river water magnesium content of about 800 times. In order to meet production requirements, must be to deal with different water quality. Water treatment technology was first in order to solve the water demands of industrial production, but with the development of economy and industrial water consumption has increased dramatically, the contradiction between supply and demand of water and environmental pollution caused by industrial pollution and has gradually become the focus of social attention, through repeated utilization ratio of water treatment in order to improve the water and to economize on water, reducing sewage discharge, reduce the pollution of the environment, has become a new water treatment technology service industry. Therefore, water treatment is very important not only to the industrial production, to save water, reduce the pollution of the environment also plays a very important role.
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