RU2612367C1 - Dry well - Google Patents

Abstract

FIELD: construction.

SUBSTANCE: dry well 1 comprises the cylindrical housing, in the bottom part of which the closed arch-type structure with the vault of the hemispherical shape is placed. The closed structure has the perforation in the form of mesh partitions of the upper part 3 and the lower part 2. Inside the closed structure made in the form of mesh partitions 2 and 3, the drainage element is placed, in the form of a soft elastic material, e.g. rounded rubber 4, the longitudinal edges of which are fixed between the partitions 2 and 3. The closed structure is made of metal mesh or a plastic material of increased strength with perforation. The circular channels in the soft elastic material 4 are placed around the entire perimeter relatively to the vertical symmetry axis symmetrically and at an acute angle to the vertical symmetry plane of the housing and toward the meshed partitions 2 and 3 perforation. The filter unit 8 in the form of a plate made of coarse porous concrete overlaps the body 1 in the upper part and is placed in a recess within the boundaries of the day ground surface base. At the top the mesh partition 3 is closed with the filter material in the form of gravel backfill 10. The outer sidewalls of the housing 1 have the seal 11, namely poroizol or a thickened geotextile material, which adheres to the sidewalls of the well housing 1, is greased with mastic.

EFFECT: invention can be applied to different objects, can operate all year round and increases the operational reliability of the dry well.

3 cl, 1 dwg

Description

The invention relates to the field of hydraulic engineering construction and land reclamation and is intended to ensure the smooth operation of drainage systems in the winter in ice-hazardous areas.

A known drainage system, including drains attached to the collectors, led up to the beginning, with each of the collectors connected to the channel by means of a well located under its bottom (Copyright certificate SU No. 393397, ЕОВВ 11/00 of 01/07/1974).

In a known drainage system, the flow of water is determined by the relative position of the groundwater level and the water in the open channel, in which the well is located, where water flows from the drain. Thus, the operation of this device is due to the flooding of the end of the drain under the water level in the channel and it is not protected from formation in the well at minimum levels for the occurrence of dangerous ice accumulations. At the same time, eliminating the removal of freezing ice in winter is not possible, and with the onset of the warm season, the period of time is extended to thaw it from the downstream side.

It is known the mouth of a drainage collector, including a blind section of pipe connected to the collector, the mouth is equipped with a removable protective casing, in which a blind pipe is installed with the possibility of free movement (Copyright certificate SU No. 971998, ЕОВВ 11/00 of 11/07/1982).

The disadvantage of this device is the overfilling of drains with water in the winter and the possibility of freezing the ends of the pipes with a casing, i.e. the casing is released only after removing the ice plug manually by a removable device, which must be reinstalled in the casing, which is quite laborious. At the same time, the low reliability of the mouth is due to the fact that at low frequent changes in air temperature, it is impossible to remove the ice plug due to freezing of the casing itself after the thaw, and this leads to flooding of the upstream territory, which is associated with the lack of water drainage in the winter.

Thus, the well-known analogue creates conditions under which it is impossible to operate without violating the rules of operation of the mouth with a sharp icing.

The closest in technical essence to the claimed one is a drainage well, including a cylindrical body provided with a cover with inlet and outlet headers, a hole is made in the cover of the body of the well, in which a ventilation telescopic tube is installed, the movable end of which is equipped with a deflector, while the diameter of the hole in the cover smaller than the outer diameter of the deflector, and the lower part of the pipe is located above the mark of the incoming collector (Copyright certificate SU No. 1355667, ЕОВВ 11/00 of 11/30/1981).

The disadvantage of this drainage well is its low reliability. Firstly, the well is supposed to be used only when negative temperatures occur, and when it freezes as a whole, where the water freezes, forming an ice plug. The condensing water vapor itself and the pipe itself freeze, all this as a whole leads to blockage of the well and the end parts of the collectors. Secondly, it is highly probable that blocking the end parts of the collectors themselves with ice, with which the well is connected, can hardly be cleaned for a long time even during thaw in the warm season. As a result, the efficiency of convection warming of the structural elements of the drainage well decreases.

The present invention is aimed at solving the problem of creating a design of a drainage well, which works in the winter period as well, providing a constant temperature regime in the well and the exhaust pipe from the side of the lower bottom of the well when it is used in severe temperature conditions.

The technical result of the claimed invention is to ensure uninterrupted operation of the well and increase operational reliability and operational efficiency.

The technical result is achieved by the fact that the drainage well, which includes a housing with collectors in and out of it, a floor cover, the housing at the bottom is equipped with a closed arch-type structure with a hemispherical vault having a perforated coating in the form of mesh partitions on top and bottom of a closed structure, inside of which there is a drainage element made of soft material with through inclined channels relative to a hemispherical arch with perforation, while the upper mesh partition is drilled xy is filled with filtering material, and the outer walls of the housing are equipped with a heater.

In addition, the drainage element is made at a depth inside the body of not less than the freezing depth.

In addition, the casing on top is equipped with a filtering unit made of coarse-grained porous concrete, in a recess within the base of the day surface of the soil.

The applicant has not identified any sources of information that would contain information about the influence of the distinguishing features of the invention on the achieved technical result. The above allows, in the applicant's opinion, to conclude that the claimed technical solution meets the criterion of "inventive step".

The drawing shows a schematic diagram of a drainage well.

The device comprises a cylindrical body 1, in the lower part of which there is a closed arch-type structure with a hemispherical arch, with perforation in the form of mesh partitions of the upper part 3 and lower part 2. Inside the closed structure made in the form of mesh partitions 2 and 3, a drainage an element in the form of soft elastic material, for example, rounded rubber 4, the longitudinal edges of which are fixed to the upper part of the partition 2 and to the lower part of the partition 3 using guides 5, which are rigidly attached Rena to the inner walls of the housing 1 by bolts 6.

The closed structure is an arch-type structure with a hemispherical arch, made of metal mesh or reinforced plastic material, and has a perforated surface (holes).

The round channels 7 in the soft elastic material 4 are located around the perimeter relative to the vertical axis of symmetry symmetrically and at an acute angle to the vertical plane of symmetry of the housing and in the direction of perforation of the mesh partitions 2 and 3. The filter unit in the form of a plate 8 overlaps the housing 1 in the upper part and is located in the recess within the base of the day surface of the soil 9, made of coarse porous concrete. The mesh screen 3 is closed on top of the filtering material in the form of gravel backfill 10. The outer side walls of the housing 1 have a heater 11 (poroizol or thickened material in the form of geotextiles), which is glued to the side walls of the housing 1 of the well, smeared with mastic.

The drainage well operates as follows.

With a high standing ground water and an increase in pressure in the housing 1, water rises in the housing 1 upward, passes the lower mesh partition 2. Then passes through the through inclined channels 7 and through the upper mesh partition 3, reaches the gravel backfill 10. Porous insulation or geotextile material is suitable for prevent freezing of water in the drainage well to the depth of freezing of the soil. With such a device, as a gravel backfill over the mesh partition 3, and the presence of a fixed drainage element made of soft material 4, they additionally and significantly create the effect of retaining heat released in groundwater, which is constantly moving through the drainage well, in the lower part of the well body.

In the case when the groundwater standing is lowered, and all its runoff enters the discharge drain, the upper layers of water above the surface of the earth pass through a coarse-grained porous material in the form of a slab 8, pass through a gravel backfill 10, then through round channels 7 of a soft drainage element material 4 and enter the bottom of well 1, which allows surface water to be discharged under drainage conditions, when costs generally increase to the estimated flow through the discharge drain, for example, after long rains, it is flooded other territories. Depending on the depth of freezing of the soil, the drainage depth is selected. All this as a whole allows, without the large expenditures of labor and funds, to regularly pass drainage water through the well, and also to improve the conditions of water flow in the collectors.

Thus, we can conclude that the present invention is very effective and can be applied to various objects in the winter period of operation with the onset of negative outside temperatures to ensure operation in winter time. The drainage well can work all year round and minimizes human intervention. The reliability of the device increases, the capacity of the well is protected from freezing water, operating costs are reduced.

Claims (3)

1. A drainage well, comprising a housing with collectors entering and leaving it, an overlap cover, characterized in that the housing at the bottom is provided with a closed arch-type structure with a hemispherical arch having a perforated coating in the form of mesh partitions at the top and bottom of the closed structure, inside of which there is a drainage element made of soft material with through inclined channels relative to the hemispherical arch with perforation, while the upper mesh partition is filled with a filter on top yuschim material and the outer wall of the housing equipped with a heater. 2. The drainage well according to claim 1, characterized in that the drainage element is made at a depth inside the well of not less than the freezing depth. 3. The drainage well according to claim 1, characterized in that the casing on top is equipped with a filtering unit made of coarse-grained porous concrete, in a recess within the base of the day surface of the soil.

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