Water saving and site sponge city coupling system for waste incineration power plant

Abstract

The invention discloses a water-saving and site sponge city coupling system for a waste incineration power plant. The water-saving and site sponge city coupling system for a waste incineration power plant comprises a rainwater collection device, a rainwater treatment system and a water pump room suction well. The rainwater treatment system comprises a plurality of rainwater gardens and two rainwater collection pools communicating in sequence, an outlet of the rainwater collection device is provided with a main collection pipe, a rainwater garden water inlet pipe and a flow dividing pipe communicate through a tee joint, the rainwater garden water inlet pipe is connected to the first rainwater garden, the flow dividing pipe is connected to a first rainwater collecting pool through a cut-off device, and a rainwater garden drainage pipe is connected to a second rainwater collecting pool; and the first rainwater collecting pool is connected to the first rainwater garden through a first lift pump, the second rainwater collecting pool is connected to the water pump room suction well through a second lift pump, and the water pump room suction well is connected to a circulating water pool of a power plant cooling tower through a third lift pump. The water-saving and site sponge city coupling system for a waste incineration power plant realizes coupling utilization of power plant sponge city design and water saving, and can effectively save energy and water.

Description

Technical field [0001] The present invention relates to a rainwater collection and utilization system, which specifically relates to a system for sponge cities, especially for water saving and sponge cities for waste incineration power plants. Background technique [0002] Domestic waste incineration power generation is an important way for urban waste treatment. In domestic garbage harmless treatment, waste incineration power generation has the advantages of saving economic investment, significant reduction, and harmless treatment, which can be converted into energy, etc., which is received by more and more countries. [0003] Sponge City is a new generation of rainfall management concepts, refers to a good elasticity in the city to adapt to environmental changes and should have natural disasters that should be brought to rainwater. Conventional sponge urban technical measures mainly use combinations such as water-bearing, rain garden, biological retention cell, transmissive pla...

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Problems solved by technology

On the other hand, waste incineration power plants need to use water for production, circulating cooling supplementary water, and fire fighting water. For a large-scale waste incineration power plant, the maximum daily water demand in summer is about 3500m 3 , The daily water demand in winter is about 2500m 3 , these waters are generally provided by reclaimed water and river water. On the one hand, the cost is high, and on the other hand, it also puts a certain pressure on urban water supply.

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