Self-flowing vacuum system of sewage

FIELD: construction.

SUBSTANCE: system of sewage comprises receiving 1 and collecting reservoir 2, siphons 3, units of gas discharge with vacuum pumps 5 in vacuum columns arranged in upper parts of siphons. System includes at least two siphons connected to one receiving reservoir and one collecting reservoir, each siphon is equipped with a separate vacuum pump.

EFFECT: invention provides for control of liquid level in receiving chambers.

5 cl, 2 dwg

 

The invention relates to sewage and can be used for water removal from sports and recreation, towns, both permanent and temporary accommodation, and transportation of industrial waste water and rainwater.

Known SYSTEM SIPHON DRAINAGE" EN 2029024 [1], the drainage system includes a siphon pipe, a tube to drain from the air. When regulating the rate of withdrawal of air from the cavity of the siphon pipe descending branch additional siphon 6 is in the form of short tubes. Adjust the amount of vostokovedenie is achieved by turning on or off some of the tubes.

A disadvantage of the known designs is the inability to adjust the size of the main drain.

Closest to the claimed technical solution is "GRAVITY-VACUUM SEWER SYSTEM" EN 2044120 [2], containing the receiving and collection tanks, siphons, nodes removal of gas from the vacuum pump in the vacuum columns, located in the upper parts of the siphons. Adjusting the liquid level in the collecting tank (pos.18) is achieved by turning on and off of a centrifugal pump (24).

A disadvantage of the known constructions is the presence of centrifugal pumps main thread (24), which significantly reduces the economic indicators exploitatiemaatschappij system. In addition, the disadvantage is the complexity of the system, due to the presence of intermediate stations with additional teams of tanks, siphons, pumps. The main disadvantage is the inability to adjust the level of the liquid in the receiving chamber, so as a level adjustment only occurs in the collecting chambers, and the difference in liquid level between the receiving team and cameras is determined by the hydraulic resistance of the siphons and the magnitude of the fluid flow, which varies depending on the time of day, so the water level in the receiving chambers will vary. The inability to adjust the level in the inlet chamber can lead to a situation where the reception part of the siphon will be above the liquid level in the siphon fall air and the siphon will have to re-charge, which leads to a lack of opportunities to work with the system in automatic mode.

The technical result of the invention is to enable adjustment of the liquid level in the receiving chambers, increasing the efficiency of the system, simplification of the system.

The technical result is achieved by the fact that the system contains at least two of the siphon is connected to the receiving tank and one collapsible tank, each siphon is provided with a separate vacuum pump.

At least two siphons enabled computers is Ino to one receiving and one precast tanks, allows you to adjust the hydraulic resistance siphons, including turning off the vacuum pump and thus powering on or off the corresponding trap. The availability management level in the receiving chamber allows the system to operate in automatic mode, preventing the ingress of air into the siphon.

The efficiency increase is due to the absence in the proposed system, a centrifugal pump of the main fluid stream.

Simplification of the system is due to the presence of several siphons smaller diameter than the main drainage systems, which simplifies installation and eliminates the need for intermediate stations.

Gravity-vacuum sewer system may contain five siphons. The presence of a specified number of siphons allows five times to change the hydraulic resistance, which allows to maintain the levels in the admissions team and the cameras at five varying fluid flow, blocking almost the entire range of changes in the wastewater stream.

Gravity-vacuum sewer system may include sensors liquid level in the receiving tank, collecting tank and vacuum column. The presence of level sensors in these locations allows you to transfer the system to automatic operation without human intervention.

Offer SEMATECH what about the vacuum sewer system using FG1-5 schematically depicted in figure 1 (longitudinal section), and figure 2 (top view)where:

1 - receiving tank;

2 - mixed tank;

3 - siphons;

4 - vacuum columns;

5 - vacuum pumps;

6 - sensor liquid level in the receiving tank;

7 - sensor liquid level in the collecting tank;

8 - sensor liquid level in the vacuum column;

9 - the level of the liquid receiving tank;

10 - the liquid level of the collecting tank.

Industrial application. The invention can be applied with success for the manufacture of a gravity-vacuum sewer systems, operating in automatic mode without significant energy costs.

1. Gravity-vacuum sewer system, containing the receiving and collection tanks, siphons, nodes removal of gas from the vacuum pump in the vacuum columns, located in the upper parts of siphons, characterized in that it contains at least two of the siphon is connected to the receiving tank and one collapsible tank, each siphon is provided with a separate vacuum pump.

2. Gravity-vacuum sewer system according to claim 1, characterized in that it contains five siphons.

3. Gravity-vacuum sewer system according to claim 1, characterized in that it contains sensors liquid level in the receiving tank.

4. Gravity-vacuum sewer system according to claim 1, characterized in that it contains a level sensor liquid is in a collecting tank.

5. Gravity-vacuum sewer system according to claim 1, characterized in that it contains sensors liquid level in the vacuum column.



 

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Sewage system // 2274709

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Sewage system // 2274709

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