Equipment for collecting, purifying and zero-discharging sulfur hexafluoride in waste gas, and working method thereof
A sulfur hexafluoride, zero-emission technology, applied in chemical instruments and methods, separation methods, separation of dispersed particles, etc., to achieve great economic and social benefits, increase reuse rate, and reduce emissions
Pending Publication Date: 2021-03-30
HENAN RELATIONS
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Problems solved by technology
[0003] In order to reduce the emission of sulfur hexafluoride greenhouse gas in the power industry, the two major domestic power grid companies and related enterprises have carried out the recovery and recycling of sulfur hexafluoride gas, realizing the recovery, recharging and purification treatment of sulfur hexafluoride gas; However, the leakage of sulfur hexafluoride gas in a closed environment, the exhaust gas after the detection of sulfur hexafluoride, and the exhaust gas discharged after the purification of sulfur hexafluoride are blind spots in the management of sulfur hexafluoride
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[0025] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention.
[0026] In the present invention, terms such as "installation", "installation", "connection", "connection" and "fixation" should be interpreted in a broad sense, for example, it may be a fixed connection or It is a detachable connection; it can be a mechanical connection; it can be a direct connection or an indirect connection through an intermediary, or it can be a connection of electrical lines or signals. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present invention according to specific situations.
[0027] Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and should not be c...
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The invention discloses equipment for collecting, purifying and zero-discharging sulfur hexafluoride in waste gas. The equipment comprises a gas inlet recovery pipeline, a gas-liquid separation device, a liquid conveying pipeline, a gas adsorption and discharge pipeline and a regeneration pipeline, wherein the gas outlet of the gas inlet recovery pipeline is connected with a gas inlet in the top of the gas-liquid separation device, a liquid outlet in the bottom of the gas-liquid separation device is connected with the liquid inlet of the liquid conveying pipeline, the gas inlet of the gas adsorption and discharge pipeline is connected with a gas outlet in the top of the gas-liquid separation device, the gas inlet of the regeneration pipeline is connected to the gas adsorption and dischargepipeline, and the gas outlet of the regeneration pipeline is connected to the gas inlet of the gas inlet recovery pipeline. According to the present invention, with the four stages of treatment processes such as precision filtration, gas-liquid separation, pressure swing adsorption and normal pressure adsorption, the collection purification and the zero emission treatment of sulfur hexafluoride in waste gas are achieved, the purity of the collected sulfur hexafluoride can achieve more than 99.9%, and after the further treatment, the recycling of the sulfur hexafluoride gas and the recycling of the saturated adsorption tower can be achieved.
Description
technical field [0001] The invention belongs to the technical field of sulfur hexafluoride gas recovery, and in particular relates to a device for collecting and purifying sulfur hexafluoride in exhaust gas, zero-emission equipment and a working method thereof. Background technique [0002] Sulfur hexafluoride is an excellent insulating and arc-extinguishing medium, and has been widely used in the power industry. With the continuous increase in the use of sulfur hexafluoride, the annual discharge of sulfur hexafluoride into the atmosphere is unprecedented. The speed increases rapidly. Sulfur hexafluoride is a strong greenhouse gas with a global warming potential of about 23,900 times that of carbon dioxide, and has a cumulative effect on global warming. As one of the main contracting parties of the "Kyoto Protocol", my country is actively promoting and implementing the task of reducing greenhouse gas emissions. [0003] In order to reduce the emission of sulfur hexafluorid...
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Login to View More IPC IPC(8): B01D53/04B01D53/00
CPCB01D53/007B01D53/04
Inventor 李建国汪献忠李浩毛乾宏李浩宾
Owner HENAN RELATIONS