An easy-to-scale-up supercritical water oxidation treatment device
A technology of supercritical water oxidation and treatment device, which is applied in water/sewage treatment, water/sewage multi-stage treatment, water/sludge/sewage treatment, etc. It can solve the problem of difficulty in scaling up SCWO systems, high operating costs, and poor scale effect. and other issues to achieve the effect of improving safety, making more purchases, and reducing power consumption
Active Publication Date: 2018-09-18
GUANGXI UNIV
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Problems solved by technology
[0005] The purpose of the present invention is to overcome the shortcomings of SCWO system that are difficult to scale up and poor scale effect, and face the problems of high investment and high operating cost during design, and provide an easy-to-scale supercritical water oxidation treatment device, which can be widely used in the efficient treatment of organic wastewater , low-cost harmless treatment
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[0029] The present invention will be further described below in conjunction with the accompanying drawings and specific implementation.
[0030] An easy-to-scale-up supercritical water oxidation treatment device such as figure 1 As shown, an easy-to-scale supercritical water oxidation treatment device consists of an air inlet pipe 1, a nitrogen-enriched air outlet pipe 2, an oxygen-enriched membrane module 3, an oxygen-enriched air outlet pipe 4, a high-pressure gas compressor 5, a first preheating Device 6, high-pressure waste water pump 7, heater 8, second preheater 9, first mixer 10, second mixer 11, first supercritical water reactor 12, second supercritical water reactor 13, the second Three supercritical water reactor 14, clean water pump 15, regenerator 16, external steam outlet pipe 17, clean water pipeline 18, pressure relief valve 19, air cooler 20, gas-liquid separator 21, reverse osmosis membrane module 22 , reuse clean water outlet pipe 23, harmless concentrated s...
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The invention discloses a supercritical water oxidation treatment device easy to enlarge. The problems that the operating cost is over-high caused by compressing a large amount of nitrogen when air is taken as an oxidant and a large high pressure air compressor is difficult to purchase are effectively solved by coupling an oxygen-rich membrane module and a supercritical water oxidation system. Meanwhile, supercritical water reactors with economical specifications are selected and connected in parallel, so that the enlargement of the supercritical water reactors is realized skilfully, and the safety and stability of a system are ensured; the heat of the system is fully recycled and utilized step by step; an air cooling technology is adopted at the tail end to ensure the decrease of temperature; a reverse osmosis membrane component is adopted in water discharging of the system for producing pure water; part of the pure water is used for producing steam, and the surplus part of the pure water is externally providing for life or production, so that water resources are fully recycled and utilized. The enlargement of the overall device is realized skilfully; the scale effect of the supercritical water oxidation treatment device is enhanced; the overall economical efficiency of the technology is improved; large-scale application of the technology is helpfully promoted.
Description
technical field [0001] The invention belongs to waste organic matter treatment technology, and relates to a device for harmless treatment of high-concentration organic waste water by using supercritical water as a reaction medium, in particular to an easy-to-scale-up supercritical water oxidation treatment device. Background technique [0002] Supercritical Water Oxidation (SCWO) has been recognized as a very efficient and promising technology for the removal of waste organic matter. According to "Energy and Environment", one of the six major national key technologies in the United States, it is the most important technology in the 21st century. One of the promising organic waste treatment technologies is supercritical water oxidation technology. This technology utilizes the special dissolution and mass transfer characteristics of organic matter and oxidant in supercritical water. The organic matter reacts homogeneously and rapidly and thoroughly in an environment with suffi...
Claims
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IPC IPC(8): C02F9/04
CPCC02F1/441C02F1/727C02F9/00
Inventor 唐兴颖张媛媛张博王丽伟裴继影王英辉余克服
Owner GUANGXI UNIV