Liquid purification or separation – Processes – Separating
Patent
1991-03-12
1992-08-25
Sever, Frank
Liquid purification or separation
Processes
Separating
210241, 210258, 210260, E01D 2102
Patent
active
051416530
DESCRIPTION:
BRIEF SUMMARY
The invention relates to apparatus for treating a fluid, particularly sewage.
Traditionally sewage and water treatment processes have been carried out in long life, and permanent conventional concrete tanks or structures unable to respond to changing needs for both treatment capacity and for improved effluent quality. This has meant that considerable capital investment becomes tied up in plants of obsolete design.
Furthermore such plant require large areas of land, are expensive to build and take several years to design and construct.
It is accordingly an object of the invention to avoid these disadvantages.
According to the invention there is provided apparatus for treating a fluid, comprising a housing for carrying out the treatment, characterized by the housing being incorporated with a mobile carrier for transportation and use, by there being in the housing one or more self-contained modules for carrying out one or a sequence of treatment operations on the fluid, by an inlet to the apparatus connectible to a source of fluid to be treated, by an outlet from the apparatus for fluid treated therein, and by the one module being connectible to another similar module for carrying out the fluid treatment.
The apparatus is preferably prefabricated.
The apparatus may be a sewage treatment apparatus or a water treatment apparatus.
There may be a plurality of modules, each one being mounted in a separate housing, each module being adapted for performing a separate function in the treatment process. These functions include preliminary, primary, secondary, tertiary and quaternary processes. Each module may include its own process control, electrical and pipework system. Thus, where the apparatus is for treating sewage, there may be three modules each in its own housing comprising part of a separate container which may be a vehicle, one module comprising a systems module and one comprising a sewage treatment module, the control module being connectible with a source of sewage to be treated and each module being connectible to another module as desired by suitable connectors.
The apparatus may comprise the separate modules, there being one control module, one systems module and a large number such as six or eight treatment modules.
In a system assembled from the modules, the treatment modules may be arranged in two sets or banks of four modules on either side of the other two modules. In a complex plant, there may be more than one control and one systems module. Whatever the relative positioning of the modules, they may be connected by gang ways so that the whole system can be observed and monitored by operators externally, as well as by instrumentation in the systems module.
The treatment modules may be higher than the other two modules so that the gang ways may be supported on the roofs of the other two modules and extend across any gap between them and between them and adjacent treatment modules to abut the treatment modules below the top thereof.
According to a further aspect of the invention there is provided a process of fluid treatment, comprising providing one or a plurality of transportable housing(s) and transporting the or each to a site of fluid to be treated, connecting the or each housing to a source of fluid to be treated, and treating same in the or each housing.
Apparatus embodying the invention is hereinafter described, by way of example, with reference to the accompanying drawings.
FIG. 1 shows a schematic arrangement of apparatus according to the invention for secondary treatment of sewage; and
FIG. 2 is a schematic perspective view of the apparatus of FIG. 1, taken in the direction of arrow I of that figure.
Referring to the drawings, there is shown apparatus 1 for treating a fluid (specifically, for the secondary treatment of sewage), comprising a plurality of modules 2a-2c, with respective housings 2, for carrying out one or a sequence of treatment operations on the sewage. There is an inlet 3 to the apparatus connectible to a source of sewage to be treated and an outlet 4 from the apparatus fo
REFERENCES:
patent: 4536286 (1985-08-01), Nugent
Quinn Jennifer J.
Smith Alan J.
Sever Frank
Thames Water plc
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