Apparatus for removing residues in sewage

A residue and sewage technology, applied in the direction of filtration separation, separation method, mobile filter element filter, etc., can solve the problems that the odor and pollution impurities cannot be removed, the cost of reprocessing sewage is increased, and the oil-water separation effect is poor, and the structure is simple, Reduced maintenance, good removal effect

Active Publication Date: 2017-01-04
北京国资环境保护技术有限公司
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  • Summary
  • Abstract
  • Description
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AI Technical Summary

Problems solved by technology

The common problem of the grease trap is that the oil-water separation effect is poor, and the odor and pollution impurities cannot be removed, resulting in environmental stench. Therefore, it is not convenient to install a grease trap in places with high environmental sanitation requirements.
In addition, the loss of slick oil in the grease trap not only increases the cost of reprocessing sewage, but also causes a waste of resources

Method used

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  • Apparatus for removing residues in sewage
  • Apparatus for removing residues in sewage
  • Apparatus for removing residues in sewage

Examples

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Embodiment 2

[0071] Such as Figure 4 As shown, the floating impurities removal device 20 of kitchen waste oil and sewage according to the second embodiment of the present invention has a box body 23 with an open upper end, and a water collection box 25a and a discharge box 25c adjacent to each other are formed in the box body 23, and the water collection box 25a and the flow discharge box The tanks 25c are separated by an overflow plate 24, and the floating miscellaneous collection tank 25b is arranged in the water collecting tank 25a near one end of the discharge tank 25c. There is a certain distance between the bottom of the floating miscellaneous collection box 25b and the bottom of the casing 23 to form a passage for water circulation; That is, there is a certain distance between the side near the discharge box 25c) and the overflow plate 24 to form a diversion water tank 25a' communicated with the main water tank, and the upper water level sensor 24b and the lower water level sensor ...

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Abstract

The invention discloses an apparatus for removing residues in sewage. The apparatus comprises a first dirt removing device used for removing residues in sewage and a second dirt removing device arranged below the first dirt removing device and used for removing floating impurities in sewage after residue removal by the first dirt removing device. The apparatus provided by the invention is simple in structure, can remove large solids, fiber residues and floating impurities in kitchen sewage, prevents too many impurities from flowing into a pipe network or a lower-grade oil-water treating apparatus, greatly reduces the burden of an oil-water separation filter core, decreases maintenance of the apparatus and improves work efficiency.

Description

technical field [0001] The invention relates to a sewage treatment device, in particular to a device for treating food waste oily sewage discharged from kitchens, city hotels and passenger ship restaurants. Background technique [0002] With the continuous improvement of people's material life, the number of large restaurants and hotels in cities and towns continues to increase; after my country's accession to the WTO, exchanges with other countries in the world have increased, and the rate of passenger ships and ocean liners going to sea has also continued to increase, so restaurant discharge water has a negative impact on the urban environment. The pollution problem of passenger ships and the pollution of the ocean by kitchen waste water from passenger ships have become a serious problem in today's society and have affected international relations with exchange countries. On the other hand, it is also an important issue to save water resources to treat kitchen sewage so tha...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01D33/333B01D33/46B01D33/80
Inventor 余福华
Owner 北京国资环境保护技术有限公司
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