Sewage treatment method
A technology for sewage treatment and sewage, applied in biological water/sewage treatment, water/sewage multi-stage treatment, water/sludge/sewage treatment, etc., to achieve the effect of long service life, wide application environment and small footprint
Inactive Publication Date: 2017-11-28
EASTERN GANSU UNIVERSITY
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Problems solved by technology
Inventing new sewage treatment equipment is the main direction of current social development and reducing water pollution. For our country, the development of sewage treatment technology is relatively late, but we have been committed to the research of sewage treatment equipment
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[0024] In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description are only It is an embodiment of the present invention, and for those skilled in the art, the present invention may have various modifications or changes. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included within the protection scope of the present invention.
[0025] The above-mentioned sewage treatment method is characterized in that the equipment consists of a grid tank 22 , a sedimentation tank 23 , an NLB integrated device, a sludge drying tank 25 and a contact disinfection tank 27 . The grid tank 22 and the sedimentation tank 23 constitute the first part of the equ...
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The invention belongs to the technical field of sewage treatment, and particularly relates to a sewage treatment method. The equipment consists of five parts including a grille pool (22), a precipitation pool (23), an NLB integration device, a sludge drying pool (25) and a contact sterilization pool (27), wherein the grille pool (22) and the precipitation pool (23) form a primary purification device of the equipment; the NLB integration device forms a nitrogen and phosphorus removal device of the equipment; the contact sterilization pool (27) form a sterilization device; the sludge drying pool (25) form a sewage treatment device. The equipment consists of three parts including a composite tank body, an underwater aeration system and an electric control system; the sewage continuously enters the equipment; the dwell time in the device is 12hours; in the composite tank body, the oxygen gas guided by the sewage and aeration system is in sufficient contact with the active sludge; the biochemical degradation treatment is performed; the degraded active sludge enters the precipitation pool for precipitation through a concave groove formed in the bottom of the biochemical pool; purified water is discharged in a standard reaching manner.
Description
technical field [0001] The invention relates to the technical field of sewage treatment, in particular to a sewage treatment method. Background technique [0002] With the development of society, people pay more and more attention to environmental issues, especially water pollution, which is closely related to our life. The development of society cannot be at the expense of the environment. Human beings have tirelessly explored the coexistence of social development and the environment to achieve a sustainable society. Many devices have been developed to solve the problem of environmental pollution. Inventing new sewage treatment equipment is the main direction of current social development and reducing water pollution. For our country, the development of sewage treatment technology is relatively late, but we have been committed to the research of sewage treatment equipment. [0003] NLB biochemical sewage treatment technology is a delayed aeration activated sludge method. ...
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IPC IPC(8): C02F9/14
CPCC02F1/001C02F1/50C02F3/1236C02F9/00C02F2001/007
Inventor 不公告发明人
Owner EASTERN GANSU UNIVERSITY