Rural domestic wastewater treatment method and apparatus thereof

A technology for domestic wastewater and treatment devices, which is applied in the fields of water treatment parameter control, water/sludge/sewage treatment, chemical instruments and methods, etc. and other problems, to achieve the effect of enhancing the denitrification effect, reducing the content of phosphorus, and reducing the treatment cost per ton of water.

Pending Publication Date: 2017-09-05
GUANGDONG DEGA POWER ENVIRONMENTAL PROTECTION TECH CO LTD
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  • Claims
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Problems solved by technology

[0007] Disadvantages: The filter is easy to block, especially at the bottom, so it is mainly suitable for the treatment of dissolved organic wastewater with low concentration of suspended solids; it has higher requirements for water distribution devices
[0011] Disadvantages: the installation and maintenance of equipment are more complicated; the biofilm is too thick, and some fillers are easy to block
[0015]

Method used

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  • Rural domestic wastewater treatment method and apparatus thereof

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Example Embodiment

[0063] Example 1:

[0064] Such as figure 1 As shown, a rural domestic wastewater treatment device includes a first settling tank 1, a first mud pipe 11, a mud pump, a first water pipe 12, a first three-way valve 13, a first tank body 20, a second water pipe 24, The second tank body 21, the third tank body 22, the fourth tank body 23, the first riser pipe 25, the third water pipe 27, the second three-way valve 26, the second riser pipe 31, the second settling tank 3, The third three-way valve 32, the fan 5 and the collection tank 4;

[0065] The cross-sectional area of ​​the first sedimentation tank 1 decreases from top to bottom. The first mud pipe 11 is connected to the bottom of the first sedimentation tank 1, the mud pump, and the top of the first tank 20; the first water pipe 12 sequentially Connect the first sedimentation tank 1, the first three-way valve 13 and the first pool body 20; the second water pipe 24 connects the first three-way valve 13 and the second pool body ...

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Abstract

The invention discloses a rural domestic wastewater treatment method. The method comprises the following steps: settling wastewater to be treated, taking a part of the water and all mud, and carrying out pre-anoxic treatment until the dissolved oxygen concentration is less than 0.2 mg/L; mixing with the remaining water, and carrying out anaerobic treatment until the dissolved oxygen concentration is less than 0.2 mg/L; carrying out anaerobic treatment under the action of denitrifying bacteria until the dissolved oxygen concentration is 0.2-0.5 mg/L; and carrying out aerobic treatment. The invention also provides a corresponding treatment apparatus. The apparatus comprises a first settlement pool, a first pool body, a second water pipe, a second pool body, a third pool body, a fourth pool body, a first riser tube, a second riser tube, a second settlement pool, a fan and a collection tank. The quality of rural domestic wastewater treated through the method is good; and the apparatus has the advantages of good biochemical treatment effect, low device investment, low treatment cost of per ton of water, simple structure, convenience in manufacturing, and reliable performances, and is an integral sewage treatment apparatus.

Description

technical field [0001] The invention relates to a sewage treatment technology, in particular to a rural domestic sewage treatment method and a device thereof. Background technique [0002] At present, the main sources of rural domestic sewage are washing, toilet flushing, bathing, kitchen sewage, etc., which have the characteristics of wide discharge area, dispersion, low pollution concentration, and low treatment rate; they seriously pollute the water environment in rural areas, and the quality of drinking water is affected. serious threat. Therefore, it is an urgent problem to improve the current living environment in rural areas to choose appropriate sewage treatment technology and strengthen the collection, treatment and discharge of rural domestic sewage. [0003] The current common treatment technologies for rural domestic sewage are as follows: [0004] 1) Anaerobic method: [0005] That is, an anaerobic biological filter is used. Anaerobic microorganisms can degr...

Claims

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Application Information

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IPC IPC(8): C02F3/30
CPCC02F3/30C02F2209/10C02F2209/08C02F2209/14
Inventor 黄皆斌陈卓彬胡淼魏欢承
Owner GUANGDONG DEGA POWER ENVIRONMENTAL PROTECTION TECH CO LTD
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