RU180108U1 - WATER LIGHTING DEVICE - Google Patents

Abstract

The utility model relates to the field of natural wastewater treatment, namely, to plants intended for preliminary clarification of water before it is filtered. The device for clarification of water includes a horizontal settler communicating with a flocculation chamber combined with it through a bypass hole in a vertical wall. At the same time, the flocculation chamber is equipped in the lower part with a source water supply pipeline, and in the upper part, with a clarified water collection pipe connected to a clarified water collection pocket located at the end of the flocculation chamber. The clarified water collection pipe is provided at the end with a control valve installed in the collection pocket. The horizontal sump is equipped with a drainage system for clarified water containing a collection pocket of the sump. This device is characterized by increased productivity, because makes it possible to rationally use the flocculation chamber, including to obtain part of the clarified water in it, while the installation is structurally solved much easier, more reliable in operation. Another advantage of the installation is the ability to change the ratio between the amount of water purified in the sump and the amount of water purified in the flocculation chamber when changing the quality of the treated water.

Description

The utility model relates to the field of water treatment, namely, devices designed to purify natural or wastewater from suspensions by clarifying it.

Currently, a number of designs of sedimentation tanks are known, in particular, horizontal, vertical, thin-layer, with built-in flocculation chambers, with built-in filtering devices and with additional equipment inside the structure. The most widely used horizontal sedimentation tanks. As a rule, a horizontal settling tank is a rectangular tank with a length of about 70 m, a width of 3 to 8 m and a height, usually not less than 5 m. [B.N. Frog. Water treatment. Moscow. - Moscow State University, 2001; RU 151047, 2014.]. However, in most cases, all these structures have a not very high volumetric utilization factor.

Thus, a horizontal settling tank with an integrated flocculation chamber is known, including a housing, devices for introducing purified water and withdrawing purified water and solid phase, a pocket for collecting clarified water, while thin-layer modules are mounted in the settling tank and in the flocculation chamber (see MDM 40 -3.2000 Guidelines to ensure compliance with sanitary rules and norms SanPiN 2.1.4.559-96 "Drinking water. Hygienic requirements for water quality of centralized drinking water supply systems. Quality control wa "," Thin-layer horizontal settler with a thin layer, the ejection chamber of flocculation ").

The disadvantage of this structure is the lack of a uniform process of coagulation of suspended solids and the suppression of the velocity of the incoming stream, which complicates the course of clarification processes.

A device for purifying natural water is known, including a horizontal settling tank equipped with an air distribution system and a water collection system, while at the boundary of the mixing and settling zones there is a directing partition, an incoming water distribution tray is installed at the top of the mixing zone, and the clarification zone is equipped with thin-layer modules and a dispersed system collecting water with triangular weirs. [RU 45294, 2004]. Based on the fact that in the installation the flocculation chamber performs only the function of forming flakes, the clarification of water occurs only in the sump, which does not allow to obtain a high water removal from 1 m ^{2 of} the installation area.

The closest in technical essence and the achieved result to the claimed solution is a water clarification plant containing a horizontal sump containing a collection pocket of clarified water located at the end, while the sump communicates through a bypass hole in a vertical wall with a flocculation chamber combined with it, which is in the lower part is equipped with a source water supply pipeline, and in the upper part - a pipeline for collecting clarified water in it, communicating through a special pipeline with a failure a pocket of clarified water of a horizontal settler. [RU 2306967, 2006].

The specified installation also does not allow to ensure the cleaning efficiency required in an industrial environment.

The technical result of the present invention is to develop a more effective device for clarifying water.

The result is achieved in that in a device for clarifying water containing a horizontal settling tank with a flocculation chamber combined with it, communicating through a bypass hole in a vertical wall, equipped at the bottom with a source water supply pipe, and at the top with a collection pipe for clarified water connected to it with a collection pocket of the sump, the unit is equipped with an additional pocket installed in the flocculation chamber, connected to the flocculation chamber by means of a collection pipeline svetlennoy of water in it, equipped with a control valve.

A general view of the device is shown in FIG. 1, where the following notation is given:

The device for clarifying water includes a horizontal settler 1, communicating with the flocculation chamber 2 combined with it through the bypass hole 3 in the vertical wall 4. In this case, the flocculation chamber 2 is equipped in the lower part with the source water supply pipe 5, and in the upper part with the clarified collection pipe water 6, communicating with the clarified water collection pocket 7 located at the end of the flocculation chamber 2. The clarified water collection pipe 6 is provided at the end with a control valve 8 installed in the failure pocket 7. The horizontal sump 1 is equipped with a system for removing clarified water 9 therein, comprising a collection pocket of the sump 10.

The operation of the device is as follows.

The source water through a pipeline 5 is sent to the flocculation chamber 2, in which the process of forming flocs occurs upon contact of the purified water with a suspended layer of a previously formed precipitate. Passing through a layer of suspended sediment, part of the water, the amount of which can be controlled by valve 8, is clarified, collected by pipeline 6 and discharged into a collection pocket 7 and then to the final stage of cleaning - filtering.

The remaining part of the water, together with the excess sediment from the suspended layer through the hole 3, is transferred to the horizontal settler 1, where the bypassed precipitate is precipitated, and the clarified water is collected and discharged through the system 9 into the collection pocket of the settler 10 for the final stage of cleaning - filtering.

This device is characterized by increased performance, because makes it possible to rationally use the flocculation chamber, including to obtain part of the clarified water in it, while the installation is structurally solved much easier, more reliable in operation. Another advantage of the installation is the ability to change the ratio between the amount of water purified in the sump and the amount of water purified in the flocculation chamber when changing the quality of the treated water.

Claims (1)

A device for clarifying water, including a horizontal sump communicating through a bypass hole in a vertical wall with a flocculation chamber combined with it, while the flocculation chamber is equipped at the bottom with a feed water supply pipe, and at the top with a collection pipe for clarified water, and a horizontal settler equipped with a drainage system of clarified water in it and a collection pocket of the sump, characterized in that the flocculation chamber in the end part is equipped with a collection pocket communicating with the flocculation chamber by means of a clarified water collection pipe in it, provided at the end with a control valve installed in the pocket.

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