RU2509735C1 - Connector of aerators - Google Patents

Abstract

FIELD: process engineering.

SUBSTANCE: proposed device relates to biological decontamination of effluents and can be used for connection of air duct pipes of aerators to stalk. Proposed device comprises adjacent air duct pipe lengths communicated via coaxially butting ends and seals between their ends. Besides, it comprises the seal of adjacent air duct pipe lengths butt to tightly clamp said seal between said ends with the help of yokes or half-yokes. Outer circular groove is made at every end of adjacent air duct pipe lengths while the latter have lengthwise stiffness ribs. Note here that the depth of outer circular grooves is larger than the height of lengthwise stiffness ribs. Sidewalls of circular grooves on the side of adjacent air duct pipe length ends are skewed at 15-20 degrees to vertical plane of pipe length cross-section area.

EFFECT: efficient sealing and adjustment of aerator elements.

4 dwg

Description

Aerator connection device belongs to the field of biological wastewater treatment and can be used to connect aerator duct pipes to the lash.

A device for connecting aerators containing consecutively connected coaxially joined ends of adjacent sections of duct pipes, a seal between their ends (see the description of the invention to patent No. 2196742 of the Russian Federation, class C02F 7/00, publ. 01.20.2003).

As aerators, tubular, ring or disk aerators are used. The duct or piece of duct may be plastic pipes with holes or perforated plastic pipes. The duct or duct sections may pass through or outside the aerator, ducts or duct sections are connected to the aerators through air ducts in the form of nozzles or punch holes such as perforations or simply holes. The first duct section is considered to be the duct section from the air inlet side of the duct.

Aeration systems are manufactured by Ecopolimer in the form of separate aerators and elements of aeration systems. When installing aeration systems, the aerator ducts are interconnected by threaded couplings. Ecopolimer company produces tube aerators of type AQUA-PRO, AQUA-LINE, ring aerators of type AQUA-TOR, disk aerators of type AQUA-PLAST.

The disadvantage of the threaded connection of the pipe segments of the aerator ducts is that the individual dispersing elements of the aerators installed on the pipe sections of the air duct must be oriented when installed in aeration tanks parallel to the horizontal or symmetrical vertical with the necessary compression of the elastic seal between the pipe sections, which is difficult to perform when screwed the pipe sections of the air ducts , since it is not known for sure that the seal is sufficiently compressed to seal the connection of pipe sections at m Duct Wall Inserted Switchboard compliance with the provisions of dispersing elements aerators parallel horizontally or vertically symmetrically.

The aim of the improvement is to simplify the installation of aerators while observing the necessary compression of the seal between the segments of the duct pipes with the necessary orientation of the dispersing elements of the aerators on the duct sections parallel to the horizontal and / or symmetrically vertical when the pipe duct sections are connected in series.

This goal is achieved in that the aerator connection device containing sequentially connected coaxially joined ends of the adjacent duct pipe sections, a seal between their ends, characterized in that it is equipped with a joint sealing device of coaxially joined adjacent pipe segments of the duct, having the ability to tightly clamp the seal between their ends.

The sealing device of the joint of coaxially joined adjacent sections of duct pipes is made in the form of a clamp.

In an alternative embodiment, the sealing device of the joint of coaxially joined adjacent sections of duct pipes is made in the form of two identical half-clamps.

EFFECT: proposed device for connecting aerators to a whip allows, when mounted in an aeration tank, in addition to sealing the duct sections, also aligning the aerator elements by successively turning around the longitudinal axis of the pipe duct sections until the dispersing surfaces of the aerator are located in the required horizontal or any other position, by compression or loosening a bolted joint on a clamp or half clamp. In this case, the sides of the clamp or half-clamps enter the outer annular grooves and automatically compresses the annular seal of elastic material and seals the joint between the ends of adjacent pipe segments of the aerator duct.

Figure 1. Aerator connection device. General form. Vertical section along the longitudinal axis of the aerators.

Figure 2. Aerator connection device. View A in figure 1. Option 1.

Figure 3. Aerator connection device. View A in figure 1. Option 2

Figure 4. Aerator connection device. View A in figure 1. Fragment with the option of installing the seal.

The list of symbols in the drawings.

1. Previous section of the aerator duct pipe.

2. The subsequent section of the aerator water pipe.

3. O-ring seal.

4. The ring ledge.

5. The annular cavity.

6. The stiffener.

7. Outer circumferential groove.

8. The side wall of the outer annular groove 7.

9. The clamp.

10. Half-clamp.

11. The bolt.

12. Nut.

13. Semicircular internal cavity.

14. The board.

The aerator connection device contains successively communicated segments 1, 2 of the pipes of the aerator duct. For example, (see Fig. 1) the previous segment 1 of the aerator duct and adjacent subsequent segment 2 of the aerator duct, an annular seal 3 of elastic material, for example rubber, between their ends. The previous segment 1 of the aerator duct pipe has an annular protrusion 4 at its end, which can freely enter the annular cavity 5 at the opposite end of the pipe of the subsequent adjacent pipe segment 2 of the aerator duct adjacent to it. The annular seal 3 can be installed both on top of the annular protrusion 4 (see figure 1), and inside the annular cavity 5 (see the fragment in figure 4).

Segments 1, 2 of the duct pipes have external longitudinal ribs 6 stiffness.

An outer annular groove 7 is made at each end portion of adjacent segments 1, 2 of the duct. The groove depth of the outer annular grooves 7 is greater than the height of the longitudinal stiffeners 6. The side walls 8 of the annular grooves 7 on the side of the ends of adjacent pipe sections are beveled from the bottom of the grooves to the tops of the longitudinal ribs 6 at an angle of 15 to 20 degrees to the vertical plane of the cross section of sections 1, 2 of the aerator duct pipes.

The seal for sealing each connection of segments 1, 2 of the duct pipe is clamped during installation between the ends of adjacent segments 1, 2 of the duct pipe using a special single clamp 9 or using two clamps 10. Clamp 9 and half clamp 10 are mounted on the duct pipes during installation using bolted connections with a bolt 11 and a nut 12. The clamp 9 contains oppositely semicircular inner depressions 13 between the sides 14 of the clamp 9. The sides 14 of the clamp 9 or each half clamp 10 are inclined relative to the vertical plane The cross-section of sections 1, 2 of the duct pipes is similar to a bevel of 15 to 20 degrees of the side walls 8 of the outer circumferential grooves 7. Similarly to the above-mentioned collar 9, the half-clamps 10 have half-ring internal hollows 13 between the sides 14 of each half-clamp 10. The dimensions of the clamps 9 and half-clamps 10 allow installation when tightening the ends of the clamp 9 with a bolt, compress it with the sides 14 ends of adjacent sections 1, 2 of the aerator duct pipes.

The device operates as follows.

During assembly work on assembling adjacent sections 1, 2 of the aerator duct pipes, their end sections are pulled together by clamps 9 or half clamps 10 while simultaneously clamping the annular seal 3. In this case, before final clamping of clamps 9 or half clamps 10 on the ducts, the aerator elements are aligned relative to the horizontal planes of the dispersing surfaces of the aerator that require it.

The proposed device for connecting aerators to the lash allows for installation, in addition to sealing sections of 1, 2 pipes of the aerator duct, in the aeration tank, also aligning the elements of the aerator by successively turning around the longitudinal axis of sections 1, 2 of the pipes of the aerator duct until the dispersing surfaces of the aerator are located in the required horizontal or in any other position, by compressing or unscrewing the bolt connection on the clamp 9 or on the half clamps 10. In this case, the sides 14 of the clamp 9 or half clamps 10 are included in the outer ring grooves 7 and automatically compresses the annular seal 3 of elastic material and seals the joint between the ends of adjacent sections 1, 2 of the pipes of the aerator duct.

Claims (1)

An aerator connecting device comprising sequentially connected coaxially joined ends of adjacent duct pipe sections, a seal between their ends, a sealing device of a joint of coaxially joined adjacent duct pipe sections, having the ability to tightly clamp the seal between their ends using clamps or half clamps, at each end portion of adjacent segments the duct pipe has an outer annular groove, characterized in that the pipe duct sections have longitudinal stiffeners, depths groove outer circumferential grooves greater than the height of longitudinal ribs, lateral walls of the circumferential grooves from the ends of adjacent pipe sections are chamfered from the bottom of the grooves to the tops of the longitudinal ribs at an angle of 15 ° to 20 ° to the vertical plane cross-section pipe aerator duct segments.

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