RU2364691C2 - Glass ceramic pipe for rubbish chute (versions) - Google Patents

Abstract

FIELD: construction.

SUBSTANCE: invention is related to housing and communal facilities for equipment of residential buildings with rubbish chutes. Glass ceramic pipe for rubbish chute, having two coaxially installed pipes connected to each other by means of hollow stiffening rib, intertubular space of which is filled with sound-absorbing and sound-reflecting material. Pipes and hollow stiffening rib are made by means of method of glass fibre cloth winding in the form of tape impregnated with borosilicate binder with further drying for 1 hour. Version of glass ceramic pipe for rubbish chute is also described.

EFFECT: improved performance characteristics of pipes without sharp increase of their cost.

2 cl, 2 dwg

Description

The invention relates to housing and communal services for equipping residential buildings with garbage chutes.

Currently, residential houses use garbage chutes in the form of pipes made of concrete, asbestos cement and metal.

Known concrete element of the mine chute as. 634685, E04F 17/10, 11/26/1978, including a concrete shell and a metal insert in the form of a pipe. The pipe is formed by a metal tape coiled in a spiral with an overlap of its edges.

A disadvantage of the known concrete pipes is their heaviness, and therefore they cannot be used, for example, in high-rise buildings. The inner surface of concrete pipes is porous, which leads to an increase in various deposits during operation.

Steel and cast iron pipes are durable and fire resistant, but have good sound conductivity. Garbage and waste in the form of metal, glass and other solid objects (elements) falling into the garbage chute cause a loud noise that exceeds all permissible noise standards during the operation of buildings.

Pipes made of synthetic (polymer) materials are fire resistant, i.e. are combustible or, at best, slow-burning.

From RU 2283223, В28В 21/48, 09/10/2006, it is known to manufacture a non-monolithic multilayer construction of a section of the trunk section of a chute or ventilation shaft, in which the inner layer to ensure a high-quality glossy inner surface is made of fiberglass, for example EZ-100 or EZ-250 (electrical insulating fabrics according to GOST 19907-83) or TI-250 (TU 5952-074-0576 3895-2003), or glass mat MPS-A-35 (350) TU 6-11-403-84. Moreover, the first structural layer, frames and the second structural layer are made of fiberglass, for example, TI-250 (TU 5952-074-0576 3895-2003) or T-13 (GOST 19170-2001), or TR-0.7, TR -0.33. TP-0.25 (TU 6-48-00205009-97-96) the intermediate layer is made of soundproofing (sound-absorbing, sound-reflecting) material, which is not impregnated with a binder, for example, thermal insulation material made of fiberglass grade ПСХ-Т ТУ 6-48-97-96 or ИПС -T TU 6-48-135-97, or from non-woven material of the IPM 6-E-800 (100) brand, or non-woven synthetic needle-punched non-thermofixed (STB 1104-98 TU RB 00204079.033-97). All fiberglass is impregnated with polyester resins, for example PT1B (TU 2257-091-05015213).

The technical problem to which the present invention is directed is to increase the operational characteristics of pipes without a sharp increase in their cost.

This task is achieved by the fact that the glass-ceramic pipe for the garbage chute, having two coaxially arranged pipes interconnected by a hollow stiffener, the annular space of which is filled with sound-absorbing and sound-reflecting material, while the pipes and the hollow stiffener are made by winding glass fiber fabric in the form of a tape impregnated borosilicate binder followed by drying for 1 hour.

The aforementioned task is also achieved by the fact that the glass-ceramic pipe for the garbage chute has two coaxially arranged pipes interconnected by a hollow stiffener. The annulus is filled with sound-absorbing and sound-reflecting material. The inner pipe is made by winding from a metal tape, and the outer pipe and hollow stiffener are made by winding fiberglass cloth in the form of a tape impregnated with a borosilicate binder, followed by drying for 1 hour.

The use of borosilicate binder and fiberglass material allows to obtain a non-combustible material with a small thickness of the pipe walls. A hollow stiffener made of the same material gives a significant increase in impact strength without a sharp increase in the pipe wall thickness. This leads to an acceptable weight of the pipe as a whole and, accordingly, does not dramatically increase the cost of the pipe for the chute.

The formed annular space of coaxially arranged pipes is filled with sound-absorbing and sound-reflecting material.

The invention is illustrated by drawings: in Fig. 1, a glass-ceramic pipe for a garbage chute is shown schematically (without specifying a hatch and other auxiliary elements of the chute); figure 2 presents a fragment of the pipe (A), where the positions 1 and 2 marked, respectively, the inner and outer pipes, position 3 - a hollow stiffener and 4 - sound-absorbing and sound-reflecting material.

The entire chimney pipe is made by winding on a winding machine.

The prepared mandrel with a diameter of 400 mm and a length of 3 m is wound with NPG-210 fiberglass in the form of a tape 200 mm wide in two layers, previously impregnated in a solution containing a borosilicate binder. Then a hollow stiffener is wound in one layer by laying on a special form of fiberglass and a binder, as for the formation of the pipe wall. The winding pitch of a hollow stiffener is 100-150 mm. After winding the stiffeners, lay the corrugated cardboard between the ribs until they reach their height.

In a similar way, the windings of the inner wall and the hollow stiffening rib conduct winding in three layers of the outer pipe. At the end of the winding, the pipe with the mandrel is placed in a chamber for drying at a temperature of 60-110 ° C for an hour. After drying, the finished pipe is removed from the mandrel.

Claims (2)

1. A glass-ceramic pipe for a garbage chute, having two coaxially arranged pipes interconnected by a hollow stiffener, the annular space of which is filled with sound-absorbing and sound-reflecting material, while the pipes and the hollow stiffener are made by winding glass fiber fabric in the form of a tape impregnated with a borosilicate binder followed by drying for 1 hour 2. A glass-ceramic pipe for a garbage chute having two coaxially arranged pipes interconnected by a hollow stiffener, the annular space of which is filled with sound-absorbing and sound-reflecting material, while the inner pipe is made by winding from a metal tape, and the outer pipe and hollow stiffener are made by winding fiberglass fabric in the form of a tape impregnated with a borosilicate binder, followed by drying for 1 hour

Images