RU2535587C2 - Drainage system of tall building - Google Patents

Abstract

FIELD: construction.

SUBSTANCE: invention refers to construction industry, in particular to drainage systems of tall buildings. A drainage system of a tall building includes a funnel of the drainage system, which is installed on the building roof, a riser and a drainage branch pipe. The drainage system has two locking devices, one of which is arranged below the funnel, and the second one is located above the drainage branch pipe, a supply branch pipe with a half-coupling and a locking device and floor-by-floor branch pipes with locking devices and half-couplings.

EFFECT: improvement of efficiency of a fire-fighting process.

1 dwg

Description

The invention relates to fire fighting equipment, and in particular to devices for supplying water, fire extinguishing liquid, fire extinguishing compositions to the fires located in a high-rise building, structure.

When extinguishing, localizing a fire occurring in a high-rise building, difficulties arise in delivering liquid to the fire, determined primarily by the height, to overcome which it is necessary to make certain efforts both to firefighters and technical devices that create and provide a high pressure head.

The aim of the invention is the rationale for a relatively simple, stably operating, low-cost device for supplying liquid from a zero level (from ground level) to possible fires on the floors of a building.

All high-rise buildings are equipped with rainfall gutter systems falling onto the roof. As a rule, they have a diameter of 110 mm and pass inside the building structure of the building.

Precipitation falling on the roof of the building in the form of water is gravity drained from the roof into the street sewer.

As a prototype of the invention, a drain of a high-rise building (Lobachev P.V. “Internal drains of buildings”, 1967, m. “Literature on construction”, p. 54, Fig. 30), consisting of a drain funnel, riser and horizontal a drain through which water spontaneously drains into the sewage system or is discharged to a surface drain.

In relation to the goal design of the prototype has the following disadvantages:

the riser does not have devices that delay the liquid supplied from below in its volume, preventing the outflow of liquid from it through a funnel and horizontal drain;

The riser does not have devices that allow fluid to be drained from its volume to floors to places of possible fire sources.

The noted shortcomings can be eliminated, firstly, by installing any locking devices at the boundary sections of the riser and, secondly, by installing several outlet pipes on the floors of the building. In addition, the riser must be equipped with a pipe and fittings that provide fluid supply from an external source.

Thus, the overlap of the inlet and outlet of the riser will allow you to organize the delivery of liquid from the bottom up through the inlet pipe and supply to the floors to possible fires.

In the drawing (figure 1) shows the alleged gutter of the building.

The drain of the building (1) contains a funnel (2), a riser (3) and a drain pipe (4).

The known design is supplemented by upper (6) and lower (5) locking devices, which can have a manual actuator, for example valves, and automatic valves of various kinds.

To supply fluid to the riser, it is equipped with a supply pipe (7) with a locking device (11) and a coupling half (12). The locking device in the normal mode is in the closed position and may have a manual or automatic drive. The coupling half is used to connect to an external source of fluid in order to supply it to the riser of the drain.

On the floors, the drain is equipped with floor nozzles (8) having locking devices (9), set into position for fluid supply automatically or manually, and a coupling half (10), to which a hose line can be connected.

The proposed design of the drain can operate in two modes.

FIRST mode. Fluid drainage from the roof. The upper (6) and lower (5) locking devices are open. On the floors, the locking devices (9) and the locking devices of the inlet pipe (11) are closed. The liquid from the roof of the building (1) through the funnel (2) enters the riser (3) of the drain and drains through the drain pipe (4), enters the sewer system or the surface drain.

SECOND MODE. Liquid supply to the floors. The lower (5) and upper (6) locking devices are closed. A sleeve connected to the high pressure line is connected to the coupling half (11) and fluid is supplied to the riser. The fluid enters the riser (3) of the drain and approaches the floor pipes (8), through which, with the shut-off device (9) open and the sleeve connected to the coupling half (10), it can be delivered to the fire site.

Thus, the proposed design of the internal drain of a high-rise building allows both to drain the liquid from the roof of the building and to supply liquid from the lower level (ground surface) to any floor.

Claims (1)

The drain of a high-rise building, including a drain funnel installed on the roof of the building, a riser and a drain pipe, characterized in that it has two shut-off devices, one of which is located below the funnel, and the second above the drain pipe, the inlet pipe with a coupling half and a shut-off device and floor branch pipes with locking devices and half couplings.

Images