A startup system and method based on supercritical water oxidation technology
A supercritical water oxidation technology, which is applied in chemical instruments and methods, sludge oxidation treatment, oxidized water/sewage treatment, etc., can solve problems such as salt deposition, blockage, and coking of electric heaters, and reduce operating costs. The effect of saving power loss and reducing start-up time
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Embodiment 1
[0053] see figure 1 , this embodiment takes supercritical water oxidation technology to treat industrial sludge as an example, and describes the start-up scheme of supercritical water oxidation system in detail:
[0054] The start-up system based on the supercritical water oxidation technology of the present invention includes a material pretreatment unit, an oxygen supply unit, a water supply unit, a fuel supply unit, a supercritical water oxidation reaction and a postprocessing unit. The connection method of each device is as follows:
[0055] The outlet of the material mixing tank 5 is connected to the inlet of the high-pressure material pump 6, the outlet of the high-pressure material pump 6 is connected to the inlet of the inner pipe of the preheater 7, and the outlet of the inner pipe of the preheater 7 is connected to the inlet of the second electric heater 8 , the outlet of the second electric heater 8 is connected with the inlet of the supercritical water oxidation r...
Embodiment 2
[0074] Such as figure 2As shown, the start-up system based on the supercritical water oxidation technology in this embodiment includes a material pretreatment unit, an oxygen supply unit, a water supply unit, a fuel supply unit, a supercritical water oxidation reaction and a post-treatment unit.
[0075] The difference with Example 1 is:
[0076] The fuel supply unit includes a fuel storage tank 11 , a fuel metering pump 12 and a mixer 13 . The outlet of fuel storage tank 11 is connected with the inlet of fuel metering pump 12 , the outlet of fuel metering pump 12 is connected with the inlet of mixer 13 , and the outlet of mixer 13 is connected with the inlet of high-pressure material pump 6 .
[0077] The water supply unit includes a water storage tank 1 , a starting feed water pump 2 , a first electric heater 3 , a water distribution tank 4 , and a constant pressure device 17 . The outlet of the water storage tank 1 is connected to the inlet of the starting feed water pum...
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