Purifying plant for sewage专利检索-活性污泥法净化污水处理水处理水处理专利检索查询-专利查询网

Purifying plant for sewage

阅读：641发布：2021-10-19

专利汇可以提供Purifying plant for sewage专利检索，专利查询，专利分析的服务。并且A purifying plant for sewage according to the active sludge method comprising an open tank provided with a partition and having the shape of a closed aerating circuit with a supply conduit, a discharge conduit and at least one surface aerator, said aerating circuit having a curved shape such that it substantially encloses a space in which at least one aftersettling tank and at least one thickening pond are provided.，下面是Purifying plant for sewage专利的具体信息内容。

权利要求

1. A plant for purifying sewage suitable for use according to the activating sludge process including an open topped curved tank having an elongated aerating space so shaped that its end walls are located adjacent each other, said aerating space being divided by a partition wall each end of which is spaced from the adjacent end wall of the said aerating space forming an inner channel portion enclosed within an outer channel portion which are in series with one another so that an endless aerating channel is obtained, there being provided means to charge sewage into the said aerating channel, means to withdraw aerated sewage from the said aerating channel and at least one surface aerator for aerating the contents of the aerating channel, the inner channel portion substantially enclosing a space in which there is at least one settling chamber for settling out sludge from the sewage aerated in said aerating space and at least one sludge thickening chamber for the sludge, said sludge thickening chamber being concentrically arranged in said sludge settling chamber, there being provided for charging the aerated sewage into said at least one sludge-settling chamber, means for charging the sludge into said at least one sludge thickening chamber, means for returning settled sludge from the settling chamber to the aerating space and means for discharging the purified water out of the sludge settling chamber, the end walls of the aerating space lying at a distance from one another so that therebetween a space is formed in which an apparatus for operating the plant and a control chamber are accommodated.

2. A purifying plant for sewage according to the active sludge method according to claim 1, characterized in that in the space substantially enclosed by the aerating channel there are provided at least two sludge-settling chambers lying at a distance from one another, each of said sludge-settling chambers being provided with a sludge thickening chamber concentrically arranged therein.

3. A purifying plant for sewage according to the active sludge method according to claim 1, characterized in that in the space substantially enclosed by the aerating channel there are provided at least two sludge-settling chambers lying at a distance from one another, each of said sludge-settling chambers being provided with a sludge thickening chamber concentrically arranged therein, sludge beds being provided between said sludge-settling chambers.

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