Steel smelting industrial wastewater purification treatment process

A technology for industrial wastewater and iron and steel smelting, applied in chemical instruments and methods, filtration circuits, lighting and heating equipment, etc., can solve problems such as the destruction of river ecosystems, damage to the natural environment, and inability to remove impurities in wastewater

Active Publication Date: 2020-10-27
SHANXI TONGCAI IND & TRADE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] At present, in order to improve work efficiency, when steelmaking plants actually process smelting wastewater, they simply filter the smelting industrial wastewater, remove the large solid impurities in the wastewater, and then discharge the wastewater to the outside river. Obviously, this This method cannot remove the impurities in the wastewater very well. In addition, the temperature of the wastewater is still high. In the process of discharging higher wastewater into the river, it is easy to cause damage to the ecosystem of the river and further damage Natural environment, so there is still room for improvement in the way of smelting industrial wastewater treatment

Method used

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  • Steel smelting industrial wastewater purification treatment process
  • Steel smelting industrial wastewater purification treatment process
  • Steel smelting industrial wastewater purification treatment process

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Embodiment Construction

[0032] The following is attached Figure 1-7 The present invention is described in further detail.

[0033] refer to figure 2 As shown, it is an iron and steel smelting industrial wastewater purification treatment process disclosed in the present invention, which uses an iron and steel smelting industrial wastewater purification and cooling equipment, and the equipment can filter and purify the smelting industrial wastewater and reduce the temperature. Among them, the equipment includes a cooling device 1, a first-level impurity removal device 2 and a second-level impurity removal device 3. The cooling device 1 cools the smelting industrial wastewater, and the first-level impurity removal device 2 and the second-level impurity removal device 3 cooperate with each other. Impurities in smelting industrial wastewater are removed.

[0034] refer to image 3 As shown, the cooling device 1 includes a drainage pipe 11, a rotating stirring paddle 12, a blower 13, an air outlet 14,...

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Abstract

The invention relates to a steel smelting industrial wastewater purification treatment process, and relates to the technical field of metal smelting. Iron and steel smelting industrial wastewater purifying and cooling equipment is used, the equipment comprises a cooling device, a primary impurity removing device and a secondary impurity removing device, the cooling device is used for cooling smelting industrial wastewater, and the primary impurity removing device and the secondary impurity removing device are matched with each other to remove impurities in the smelting industrial wastewater; the process has the advantages of being good in impurity removal effect, high in operation efficiency and good in cooling performance.

Description

technical field [0001] The invention relates to the technical field of metal smelting, in particular to a process for purifying industrial waste water in iron and steel smelting. Background technique [0002] Metal smelting wastewater is the cooling water of ironmaking, steelmaking, steel rolling and other processes and the water for pouring castings and rolling pieces. Since the smelting wastewater contains more smelting impurities such as iron filings, dust and even some heavy metals, in addition , the initial temperature of smelting wastewater is generally high, and the smelting industrial wastewater needs to be treated and cooled before being discharged into the outside river. Due to the serious environmental pollution in recent years, the treatment of smelting industrial wastewater has become more and more popular. Pay attention to. [0003] At present, in order to improve work efficiency, when steelmaking plants actually process smelting wastewater, they simply filter...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01D36/02B01D35/16F28C3/06F28F13/12
CPCB01D35/16B01D36/02F28C3/06F28F13/12
Inventor 丁健
Owner SHANXI TONGCAI IND & TRADE
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