Buried domestic sewage treatment device

• Main Author: SUN ZHENGFU
• Format: Patent
• Language: Chinese; English
• Published: 21.11.2012
• Subjects: CHEMISTRY; METALLURGY; TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE

The utility model provides a buried domestic sewage treatment device and relates to an improvement on the structure of the buried domestic sewage treatment device. The buried domestic sewage treatment device is short in decomposition period of organic matters, small in odor and convenient to clean. The buried domestic sewage treatment device comprises a primary settling pond, an anaerobic pond, a contact oxidation pond, a secondary settling pond, a disinfecting pond and a clean water pond, wherein the contact oxidation pond is provided with a gas outlet; and a bamboo charcoal filtering layer is arranged in the gas outlet of the contact oxidation pond. The buried domestic sewage treatment device is buried underground. Two sludge ponds are arranged at the bottoms of the primary settling pond and the secondary settling pond, so that the sludge at the bottom of the device can be cleaned away conveniently; a sludge well is arranged on the side of the device and is connected with the two sludge ponds respectively,