Fly ash washing wastewater recovery system

Abstract

A fly ash washing wastewater recycling system includes a primary washing module comprising a primary fly ash reactor and a primary filter press, the primary filter press having a primary wastewater output end; and a wastewater treatment device, the inlet of which is connected to the primary wastewater output end, and the outlet of which is connected to the primary fly ash reactor. This invention allows for the necessary treatment and recycling of the wastewater generated during washing, thereby saving water resources and reducing the amount of sludge produced.

Claims

1. A fly ash washing wastewater recovery system, comprising: a primary washing module, including a primary fly ash reactor and a primary filter press, wherein the feed end of the primary filter press is connected to the discharge end of the primary fly ash reactor and the primary filter press has a primary wastewater output end; and a wastewater treatment device, wherein the inlet end of the wastewater treatment device is connected to the primary wastewater output end and the outlet end of the wastewater treatment device is connected to the primary fly ash reactor.

2. The fly ash washing wastewater recovery system as described in claim 1 further includes a fine washing module, which includes a fine washing fly ash reactor and a fine washing filter press. The feed end of the fine washing fly ash reactor is connected to the discharge end of the primary filter press, the feed end of the fine washing filter press is connected to the discharge end of the fine washing fly ash reactor, and the fine washing filter press has a fine washing wastewater output end, which is connected to the primary fly ash reactor.

3. The fly ash washing wastewater recovery system as described in claim 1, wherein the wastewater treatment device adds a chelating agent to the wastewater.

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