Treatment process of sulfur hexafluoride adsorbent
A technology of sulfur hexafluoride and treatment process, which is applied in the petroleum industry, combustible gas purification, combustible gas purification/transformation, etc., can solve the problems of time-consuming and labor-intensive, environmental pollution, etc., improve the treatment efficiency and effect, and reduce the cost of personal injury damage, improving reliability and safety effects
Active Publication Date: 2016-08-10
STATE GRID CORP OF CHINA +1
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Problems solved by technology
This treatment method is not only time-consuming and labor-intensive, but it is also difficult to completely treat the toxic and harmful substances inside, and it is easy to cause pollution to the environment. In order to reduce environmental pollution, reduce the labor intensity of the staff, and save manpower and material resources, it is necessary to explore an efficient method. The harmless treatment of SF6 adsorbents can reduce environmental pollution and personal injury, reduce the operation and maintenance costs of the power sector, improve the reliability and safety of the use of adsorbents, and also play a role in the operation and maintenance of power systems. important role
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[0017] figure 1 It is a process flow diagram of the present invention; figure 2 The structural schematic diagram of the equipment adopted for this process, as shown in the figure: the treatment process of sulfur hexafluoride adsorbent of the present invention adopts the method of combining heat treatment method and acid-base neutralization method to carry out environmental protection of sulfur hexafluoride adsorbent processing, including:
[0018] a. After pulverizing and grinding the sulfur hexafluoride adsorbent, add it into the reaction tank and mix it with water; first, grind the spherical adsorbent particles with a diameter of 3-5 mm into finer powder particles, which is beneficial to the next step of processing Physicochemical reactions;
[0019] b. Add lye to the reaction tank and monitor the pH value of the solution online through the pH monitoring device, and simultaneously heat the solution in the reaction tank, and control the amount of lye added according to the...
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Abstract
The invention discloses a treatment process of sulfur hexafluoride adsorbent, adopting the method of combining heat treatment and acid-base neutralization method to carry out environmental protection treatment on sulfur hexafluoride adsorbent, including: a. After crushing and grinding, add it to the reaction tank and mix it with water; b. Add lye to the reaction tank and monitor the pH value of the solution online through the pH monitoring device, and at the same time heat the solution in the reaction tank, and according to the pH of the solution Control the amount of lye added until the PH value does not change, and measure the temperature of the reaction solution by monitoring the temperature while heating up; it can recover the adsorbent with high reliability, safety and low cost to improve the treatment efficiency and effect , effectively reduce the pollution of soil, water resources and air environment, reduce personal injury, improve the reliability and safety of the use of adsorbents, and also play an important role in the operation and maintenance of the power system, achieving the effect of energy saving and emission reduction , has important environmental protection value and practical significance.
Description
technical field [0001] The invention relates to a process for treating waste materials, in particular to a process for treating sulfur hexafluoride adsorbent. Background technique [0002] SF6 (sulfur hexafluoride) adsorbent is widely used to remove SF6 toxic and harmful decomposition gas in GIS (Geographic Information System, Geographic Information System) power equipment, and is one of the essential materials to ensure the safe and stable operation of SF6 electrical equipment . With the expansion of the power system scale, a large number of used SF6 adsorbents are decommissioned in the maintenance of power equipment every year. Usually, the decommissioned SF6 adsorbents are treated by soaking them in alkaline water for dozens of hours, and then excavating them. Pit deep burial treatment. This treatment method is not only time-consuming and labor-intensive, but it is also difficult to completely treat the toxic and harmful substances inside, and it is easy to cause pollut...
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IPC IPC(8): B01J20/34
Inventor 魏钢申强陈智陈洁王秦亮杜涛钟渝佳夏珩轶任昌智
Owner STATE GRID CORP OF CHINA