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Urbsewage treatment method

A treatment method and technology for urban sewage, applied in urban sewage treatment, the system integrates new high-efficiency anaerobic biochemical and aerobic biochemical treatment devices, and the field of economical and energy-saving sewage treatment technology, which can solve problems such as difficulty in adapting to urban sewage treatment and achieve sewage treatment. Good treatment effect, lower energy consumption and operating costs, and less sludge production

Active Publication Date: 2013-11-27
武汉昌宝环保工程有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, traditional sewage biochemical treatment methods based on energy-consuming carbon-emission aerobic activated sludge process and biofilm process are difficult to adapt to the current urban sewage treatment in my country, especially the sewage treatment in small and medium-sized towns and rural areas.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0062] Embodiment 1: a kind of low energy consumption, low carbon emission, economical and energy-saving urban sewage treatment method, its steps are:

[0063] Sewage treatment process: grille / collection tank + baffled anaerobic biochemical (or hydrolytic acidification) tank + circulating flow biological oxidation tank + aerobic biological contact oxidation pond + constructed wetland (see attached for flow chart Figure 7 ).

[0064] Using this method to treat sewage, the steps are:

[0065] (1) Sewage 0 to be treated flows through the sewage inlet pipe 1 through the mechanical grille A-1 to remove large particles of suspended solids and garbage, and then enters the grille / sump A.

[0066] (2) The sewage in the grid / collection tank A is lifted by the self-priming pump B-1 and enters the pulse tank B-2 through the self-priming pump outlet pipe 8. After the sewage enters the pulse tank B-2, the water outlet is controlled by the solenoid valve B-3, and enters the baffle type an...

Embodiment 2

[0079] Embodiment 2: a low-energy, low-carbon emission, economical and energy-saving urban sewage treatment method, the steps are:

[0080]Sewage treatment process: grille / collection tank + baffled anaerobic biochemical (or hydrolytic acidification) tank + circulating flow biological oxidation tank + aerobic biological contact oxidation pond (see attached for flow chart Figure 8 ).

[0081] Using this method to treat sewage, the steps are:

[0082] (1) Sewage 0 to be treated flows through the sewage inlet pipe 1 through the mechanical grille A-1 to remove large particles of suspended solids and garbage, and then enters the grille / sump A.

[0083] (2) The sewage in the grid / collection tank A is lifted by the self-priming pump B-1 and enters the pulse tank B-2 through the self-priming pump outlet pipe 8. After the sewage enters the pulse tank B-2, the water outlet is controlled by the solenoid valve B-3, and enters the baffle type anaerobic biochemical (or hydrolytic acidific...

Embodiment 3

[0094] Embodiment 3: a low-energy, low-carbon emission, economical and energy-saving urban sewage treatment method, the steps of which are:

[0095] Sewage treatment process: grille / collection tank + baffled anaerobic biochemical (or hydrolytic acidification) tank + circulating flow biological oxidation tank + constructed wetland (see attached for flow chart Figure 9 ).

[0096] (1) The sewage 0 to be treated flows through the sewage inlet pipe 1 through the mechanical grille A-1 to remove large particles of suspended solids and garbage, and then enters the grille / sump A.

[0097] (2) The sewage in the grid / collection tank A is lifted by the self-priming pump B-1 and enters the pulse tank B-2 through the self-priming pump outlet pipe 8. After the sewage enters the pulse tank B-2, the water outlet is controlled by the solenoid valve B-3, and enters the baffle type anaerobic biochemical (or hydrolytic acidification) device B from the water inlet 12 in the way of partition wate...

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Abstract

The invention discloses a low-energy-consumption low-carbon-emission economical energy-saving urban sewage treatment method. The method comprises the steps that: 1, the to-be-treated wastewater is collected by a sewage pipe network and then is filtered by lattices, and is lifted by a pump to enter a pulse water distribution pot of a novel efficient turn-back anaerobic biochemical pool (ABR); 2, the swage subjected to the treatment in step 1 flows into a circulation-flow biological oxidization pool; 3 the effluent water from the step 2 flows into an artificial reinforced biological contact oxidization pool reconstructed by a water body from natural tunnels and reservoirs; and 4, the effluent water from the step 2 or the step 3 flows into constructed wetlands. After the sewage is treated by the above steps, the most pollutants in the water are effectively removed and the treated effluent water reaches the standard first-grade A in GB 18918-2002 ''Discharge standard of pollutants for municipal sewage treatment plant''. The energy-saving sewage treatment purification process with low cost, low energy consumption, low carbon emission and low operating cost is particularly suitable for the sewage treatment in small towns or rural areas.

Description

technical field [0001] The invention belongs to the field of sewage treatment, specifically relates to a method for treating urban sewage, and more specifically relates to a system-integrated new type of high-efficiency anaerobic biochemical and aerobic biochemical treatment device, which adopts engineering treatment and natural purification measures to combine economical and energy-saving towns The sewage treatment method is especially suitable for the economical and energy-saving sewage treatment process of low cost, low energy consumption, low carbon emission and low operating cost for sewage treatment in small towns. Background technique [0002] Although 70.8% of the earth is covered by water, fresh water resources are extremely limited. What humans can really use is only part of rivers, lakes and groundwater, accounting for only 0.26% of the total water on the earth, and the distribution is uneven. After the 1950s, the global population increased rapidly, the industry ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C02F9/14
CPCY02W10/33Y02W10/37
Inventor 王雷刘彬彬刘浩王毅
Owner 武汉昌宝环保工程有限公司
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