Mountainous city storm radial-vertical flow type denitrification device

• Main Author: WANG SHUMIN
• Format: Patent
• Language: Chinese; English
• Published: 15.06.2016
• Subjects: CHEMISTRY; CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATERTREATMENT OR WASTE MANAGEMENT; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; METALLURGY; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS; TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE; TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE

The invention discloses a mountainous city storm radial-vertical flow type denitrification device. The device is composed of an overflow port 1, a planting layer 2, a filtering layer 3, a denitrification layer I4, a denitrification layer II5, a planting vegetable 6, an outfall 7, and a geotechnical cloth 8, wherein the overflow port 1 is 0.5-1.0m higher than the surface layer of the planting layer 2, the thickness of the planting layer 2 is 0.3-0.5m, and the planting layer 2 is composed of a sandy soil mixture in sand and soil volume ratio of 8: 2; the filtering layer 3 is located at the lower part of the geotechnical cloth and composed of river sand; the denitrification layer I4 is located at the lower part of the filtering layer 3, and the height is 1.0m, and the cross section of the denitrification layer I4 is 1/3-1/2 that of the filtering layer 3; the denitrification layer I4 is composed of an outer room 9, a middle room 10 and an inner room 11; the denitrification layer II5 is located at the lower part o