Water distribution apparatus for improving water distribution to prevent stink overflow

Abstract

The invention discloses a water distribution apparatus for improving water distribution to prevent stink overflow. The apparatus comprises: supporting columns; mounting racks respectively fixedly arranged on the supporting columns; a water distribution weir trough horizontally erected on the mounting rack, wherein the water distribution weir through comprises a water distribution channel with an upward opening, two sidewalls of the water distribution channel are water distribution weirs, and the upper edge of each of the water distribution weirs is uniformly provided with tooth spaces; water distribution flat plates arranged at two sides of the water distribution channel, wherein the inner side edges of the water distribution flat plates are connected with the outer sides of the water distribution weirs, and each of the water distribution flat plates is uniformly provided with a plurality of water distribution holes; and a gas collecting cover covered above the water distribution weir troughs. The apparatus has the advantages of water distribution uniformity improvement, stink overflow prevention, obstruction prevention, horizontal height adjustment, convenient maintenance and management, and stable running.

Description

technical field [0001] The invention belongs to the field of regeneration and environmental protection sewage treatment, and in particular relates to a water distribution device for improving water body distribution and preventing odor overflow in a downflow subsurface flow wetland system. Background technique [0002] Constructed wetland is a sewage treatment technology developed in the 1970s. Compared with traditional biochemical treatment, constructed wetland has the characteristics of strong biodegradability, high nitrogen and phosphorus removal capacity, and low investment and daily operation costs. Constructed wetlands are composed of artificial substrates (fillers), plants and microorganisms. Sewage is purified through the filtration of substrates, the absorption of plants, and the activities of various microorganisms in plant roots. While the pollutants are purified, the nutrients and water in the water can be recycled to realize the recycling, harmless and stable tr...

AI Technical Summary

Problems solved by technology

The reasons why this water distribution device affects the uniformity of water distribution are as follows: First, due to the continuous discharge of water from the round hole of the water distribution branch pipe, the sewage flow in the water distribution branch pipe gradually decreases, resulting in uneven flow in the water distribution branch pipe, which is different from the water distribution branch pipe. The sewage flow near the water main pipe is large and the water distribution is large, while the sewage flow at the far end is reduced and the water distribution is small, which is prone to problems such as local short flow, uneven water distribution, inconsistent load of the treatment system, and decline in sewage treatment efficiency.

The second is that the round hole on the water distribution branch pipe is a round hole opened on the closed pipe. After running for a period of time, the lumps and membranes mixed in the sewage will easily block the round hole, resulting in poor water outlet and affecting uniformity. Water distribution, and the closed water distribution branch pipe is difficult to clean regularly

The two layout methods are difficult to achieve in the level control of water distribution branch pipes, and it is easy to cause short flow and uneven water distribution due to improper level control

[0006] The downflow wetland avoids the problems of poor sanitation and mosquitoes and flies in the surface flow artificial wetland because the water flow direction is from top to bottom. At present, the open-hole water distribution branch pipes are generally covered with the upper layer of filler in downflow wetlands, which brings many problems such as easy blockage of round holes, difficulty in level control, difficulty in observing operating conditions, and inconvenient maintenance.

Images