Layered geology mineral filter chamber sewage treatment system
A layered geological and filter technology, which is applied in high-efficiency domestic sewage treatment and popularized and applied in large cities and towns, to achieve the effect of small investment, low energy consumption and increased hydraulic load
Inactive Publication Date: 2011-04-13
CHINA UNIV OF GEOSCIENCES (WUHAN)
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[0010] The purpose of this invention is to propose a new domestic sewage treatment system - layered geological mineral filter sewage treatment system, to solve the problems existing in the secondary biological treatment technology of urban domestic sewage and conventional sewage land treatment technology
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[0029] see figure 1 , The present invention consists of grid pool 1, primary sedimentation pool 2, water distribution pool 4, layered geological mineral filter pool 5 and enhanced phosphorus removal auxiliary device 6.
[0030] The grid tank, primary sedimentation tank and water distribution tank can adopt the same design as in traditional urban sewage treatment plants.
[0031] Such as figure 2 As shown, the layered geological mineral filter is divided into four layers (i.e. the first layer of filters, the second layer of filters, the third layer of filters and the fourth layer of filters arranged from top to bottom), The height of each layer is 60cm, and the filter material of the upper three layers is geological mineral material—granite weathered mineral sand 7, which contains a variety of insoluble minerals and zeolite with water purification effect. The upper part of each layer is open to facilitate the air Enter to form an aerobic environment. The filter material of ...
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Abstract
The invention relates to a layer geological mineral composition filter pool system, which comprises a grizzly screen pool, a preliminary sedimentation tank, a service reservoir and a filter pool. The filter pool is a layer geological mineral composition filter pool. The layer geological mineral composition filter has the advantages of simple operation, convenient management, small investment, low energy consumption, low operation cost and good yielding water quality with the general sewage soil treatment technology, and also has the advantages of small occupation area, high water power load, easy restoration after blocking, and simple back purge, etc., thereby being favorable to wide popularization and application. Compared with the general sewage soil treatment technology, the water power load of the filter system is greatly improved to 2.5-3.0m / d (m<3> / m<2>.d), the system blocking phenomenon is greatly reduced, a back purge system can be started once blocking, so as to cause the system to be recovered to the best treatment state quickly, thereby solving the problem that the system is wasted because of the blocking in the general sewage soil treatment technology.
Description
technical field [0001] The invention relates to the technical field of domestic sewage treatment, which is a high-efficiency domestic sewage treatment technology combined with biotechnology and geological (underground water purification) technology, and is especially suitable for popularization and application in vast cities and towns. Background technique [0002] With the rapid increase of urban population, the urbanization of rural areas and the improvement of people's living standards, the per capita water demand and total water demand continue to increase, and the discharge of domestic sewage in cities and towns in my country also increases, accounting for a proportion of the total wastewater discharge. than industrial wastewater. Taking 2006 as an example, the total discharge of wastewater in the country was 53.68 billion tons, an increase of 2.3% over the previous year, of which industrial wastewater discharge was 24.02 billion tons, accounting for 44.7% of the total d...
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IPC IPC(8): C02F3/02
CPCY02W10/10
Inventor 李义连宁宇陈华清
Owner CHINA UNIV OF GEOSCIENCES (WUHAN)