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A sewage biological ecological treatment system with switchable driving energy

A sewage biological treatment and ecological treatment technology, applied in the direction of water/sewage treatment, biological treatment devices, water/sewage multi-stage treatment, etc., can solve the problems of increasing the cost of wind and solar power generation, increasing the risk of environmental pollution, etc., and achieve sewage treatment High efficiency, improve sewage treatment efficiency, prevent black and odor effect

Active Publication Date: 2021-11-02
RES CENT FOR ECO ENVIRONMENTAL SCI THE CHINESE ACAD OF SCI +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The service life of the battery is usually 2-5 years, the regular replacement of the battery increases the cost of wind and solar power generation, and the disposal of the waste battery also increases the risk of environmental pollution

Method used

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  • A sewage biological ecological treatment system with switchable driving energy
  • A sewage biological ecological treatment system with switchable driving energy
  • A sewage biological ecological treatment system with switchable driving energy

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0029] see figure 1 , 3 , 4. A sewage biological ecological treatment system with switchable driving energy, including an energy switching unit, a sewage biological treatment unit and an ecological treatment unit.

[0030] The energy switching unit includes 4 parallel and switchable control lines, of which:

[0031] The first control line includes PLC I2, relay I4, solar panel 7, solar controller 10, supercapacitor 13, and inverter 14, which are electrically connected in sequence. The solar panel 7 is made of multiple independent solar panels connected in parallel to collect The solar energy is used to charge the supercapacitor 13 under the control of the solar controller 10, and the inverter 14 is used to convert the DC power of the supercapacitor 13 into an AC output.

[0032] The second control line includes a fan 8, a fan controller 11, a supercapacitor 13 and an inverter 14, which are also sequentially connected to the PLCI2. The fan controller 11 is used to control the...

Embodiment 2

[0042] On the basis of embodiment 1, this embodiment also includes the following features:

[0043] PLCⅠ2 is also connected with irradiance detector 23 and wind speed detector 24, which are used to monitor the intensity of light energy and wind energy in the environment in real time, and upload them to PLCⅠ2. When the power generated by solar energy is too strong, some power generation units are cut off , such as cutting off 4 solar panels 7, only use part of the work to ensure that the supercapacitor 13 is not overcharged and protect the solar controller 10 and the inverter 14.

[0044] The wind turbine 8 is also connected with a contactor 5 , and the wind turbine controller 11 is also connected with an unloader 12 to provide overload protection for the wind power line. When the wind is too strong, short-circuit the fan 7 to form a huge load to protect the generator; when the charging voltage is too high, cut off the charging equipment to protect the supercapacitor 13 from ov...

Embodiment 3

[0046] see Figure 1-4 , The process steps in this example are applied to the equipment in Example 2.

[0047] A sewage biological ecological treatment process with switchable driving energy, including an energy switching unit, a sewage biological treatment unit and an ecological treatment unit, including the following process steps:

[0048] S1: Start the energy switching unit, switch the energy output of the 4 control lines through PLCⅠ2, and supply power to the sewage biological treatment unit, of which:

[0049] Mode 1: In the case of sunny and windy days, the solar panel 7 first charges the supercapacitor 13, and when the voltage of the supercapacitor 13 meets the working voltage of the solar controller 10 and the fan controller 11, the fan 8 starts to pass through the fan controller 11 at the same time. Charging the supercapacitor 13, and further supplying power to the PLCⅡ15 and the load through the inverter 14, through figure 2 The control logic program drives the s...

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Abstract

The invention discloses a sewage biological ecological treatment system that can switch the driving energy. The system includes an energy switching unit, a sewage biological treatment unit and an ecological treatment unit; the energy switching unit supplies energy for the sewage biological treatment unit, and can be driven by wind energy and solar energy. As the main driving energy, the power frequency alternating current (mains) is used as the supplementary driving energy switch. The biological treatment unit is a multi-point water-influent biological contact oxidation reaction tank. The ecological treatment unit includes an annular wetland pool and a purification pond, and the sewage flows through it in turn. Sewage biological treatment unit and ecological treatment unit are discharged after being further purified. The invention has flexible matching, convenient operation, high integration, can switch the driving energy according to the external environment, realizes automatic operation, and has stable operation effect and good sewage treatment effect.

Description

technical field [0001] The invention belongs to the technical field of sewage treatment, and in particular relates to a sewage biological-ecological treatment system with wind energy and solar energy as the main driving energy and industrial frequency alternating current (city power) as the supplementary driving energy. Background technique [0002] Sewage treatment is an energy-intensive industry. Aeration and lifting in the process of sewage treatment are the main energy-consuming processes, accounting for about 70% of the total energy consumption, and are the main components of the operating costs of sewage treatment facilities. In today's increasingly serious energy crisis, it is of great significance to the sustainable development of society to explore the sewage treatment system driven by clean and renewable energy combined with ecological treatment and with multi-target water output as the water output index. [0003] Usually, the intensity of wind and solar radiation...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C02F3/30C02F3/32C02F9/14
CPCC02F1/001C02F3/301C02F3/32C02F3/327C02F2201/002C02F2201/009C02F2203/006C02F2209/005
Inventor 郑天龙李鹏宇刘俊新郭雪松李琳
Owner RES CENT FOR ECO ENVIRONMENTAL SCI THE CHINESE ACAD OF SCI
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