KR101196194B1 - Sewage storage and discharge apparatus - Google Patents

Abstract

 The present invention relates to a sewage storage and discharging device for allowing the flow and discharge of sediment by stirring the stored sewage before the discharge of the sewage for a predetermined time, the sewage inlet is provided, and the storage tank, the storage tank inside the storage tank and the stored sewage A pair of branch discharge pipes connected to the outside, a main discharge pipe located outside the storage tank and connected to a pair of branch discharge pipes, a pair of discharge pumps installed on a pair of branch discharge pipes in the storage tank, and a first discharge pipe installed in the main discharge pipe. And a second on / off valve installed on the sewage circulation pipe connected to the lower portion of the storage tank and branched from the main discharge pipe between the on / off valve, the branch discharge pipe and the first on / off valve.

Description

Sewage storage and discharge apparatus

The present invention relates to a sewage storage and discharge device, and more particularly, to store the collected sewage and to discharge at the required time, to prevent the solids contained in the sewage to settle, accumulate and harden through proper stirring It relates to sewage storage and discharge devices that can be used.

In general, the sewage generated in buildings, etc. is stored in the sewage tank provided in the basement and reaches a certain amount is discharged to the outside through the discharge equipment such as a pump to be treated.

Such a technology is disclosed in Republic of Korea Patent Publication No. 10-2012-0012547 (published on February 2, 2012), this technology is the underground sewage discharge to discharge the sewage by operating the main and auxiliary pumps according to the level of sewage Relates to a device.

However, such a prior art has a problem that when a large amount of sewage is stored for a long time sewage solids are precipitated on the bottom, and the precipitated solids are cured again so that the discharge pump is not easily discharged to the outside.

It is an object of the present invention to provide a sewage storage and discharging device to facilitate the flow and discharge of sediment by stirring the stored sewage for a predetermined time before discharge of sewage.

In addition, an object of the present invention is to provide a sewage storage and discharge device to prevent the occurrence of hardening of the sediment due to the long-term storage of the sewage by stirring at regular intervals even if the sewage is stored for a long time.

In addition, an object of the present invention is to provide a sewage storage and discharge device that is easy to store and discharge when necessary, without complicated configuration, simple and without greatly changing the prior art.

In addition, an object of the present invention is to provide a sewage storage and discharge device that is less likely to cause a failure, it is possible to store and discharge various types of sewage.

As a means for solving the problems as described above, the present inventors sewage storage and discharge device,

The storage tank is provided with a sewage inlet, and the stored sewage,

A pair of branch discharge pipes connecting the inside and outside of the storage tank,

Main discharge pipe located outside the storage tank and connected to a pair of branch discharge pipe,

A pair of discharge pumps installed in a pair of branch discharge pipes in the storage tank,

A first on-off valve installed in the main discharge pipe,

A sewage circulation pipe branched from the main discharge pipe between the branch discharge pipe and the first opening / closing valve and connected to the lower portion of the storage tank;

It characterized in that it comprises a second on-off valve installed in the sewage circulation pipe.

And further comprising a control unit for controlling the discharge pump, the first and second on-off valve,

The control unit is configured to open both the first and second on-off valves during the normal operation of discharging sewage so that a part of the sewage discharged at the same time as the discharge of the sewage is circulated to the lower part of the tank. It characterized in that it is configured to control only to open the second on-off valve to circulate some sewage prior to the discharge of sewage.

And installed in the storage tank to detect the level of sewage, respectively, the first to third water level sensor sequentially installed spaced apart from each other from the bottom of the storage tank and

It further comprises an alarm means for generating an alarm,

The control unit is configured to control the operation of each discharge pump and the first and second on-off valves according to detection signals input from the first to third water level sensors.

The first level sensor detects whether the first level, which is the level corresponding to the operation time of the single discharge pump, is reached, and the second level sensor detects the second level corresponding to the operation time of both the discharge pumps, and the third level. The sensor is configured to detect a third level, the level at which an alarm is generated as a full level.

And the control unit,

When the water level of the sewage in the storage tank is less than the first level, it is determined whether a predetermined time Ta has elapsed, and when a predetermined time Ta or more has elapsed, the discharge pump is operated and the first on-off valve is closed and the second on-off valve is closed. Control it to open,

If the sewage level of the sewage in the storage tank is above the first level and below the second level, only the single discharge pump is operated and the first and second open / close valves are controlled, but the discharge pump is operated for a predetermined time Tb and The 1 on-off valve is closed and the second on-off valve is controlled to open,

If the sewage level of the sewage in the storage tank is greater than or equal to the second level and less than the third level, operate both discharge pumps and control the first and second open / close valves to open, but operate the discharge pump for a predetermined time Tc before The 1 on-off valve is closed and the second on-off valve is controlled to open,

When the water level of the sewage in the storage tank is greater than or equal to the third level, an alarm is generated and both discharge pumps are operated and the first and second on / off valves are controlled to be opened.

And the end of the sewage circulation pipe is located on one side of the inner lower side of the storage tank, is made of a flexible material so as to be able to swing during discharge of sewage,

The inner bottom surface of the storage tank is formed to be inclined, the lower end portion of the sewage circulation pipe is configured to be low,

The sewage circulation pipe is provided with a guide plate coupled to prevent the up and down fluctuation of the end of the sewage circulation pipe, the guide plate is characterized in that it is installed inclined downward in a direction away from the end of the sewage circulation pipe.

Through the problem solving means as described above, the present inventors sewage storage and discharge device, by stirring the stored sewage before the discharge of the waste water for a certain time, the sediment is easy to flow and discharge, even if the waste water stored for a long time by stirring the waste water of Hardening of sediment due to long-term storage does not occur, the composition is not complicated and simple, and it is easy to store and discharge sewage without requiring major changes in the prior art, less breakdown, storage of various types of sewage And possible discharge.

1 is a view briefly showing a sewage storage and discharge device according to the present invention.
2 is a view briefly showing an example of the wastewater discharge process of the wastewater storage and discharge device according to the present invention.
3 is a view briefly showing an example of the wastewater circulation process of the wastewater storage and discharge device according to the present invention.
Figure 4 is a flow chart briefly showing the main parts of the control process of the sewage storage and discharge device according to the present invention.
Figure 5 is a partial view briefly showing the end of the storage tank bottom and sewage circulation pipe of the sewage storage and discharge device according to the present invention.

A preferred embodiment of the wastewater storage and discharge device according to the present invention will be described in detail with reference to the accompanying drawings.

1 is a view briefly showing a sewage storage and discharge device according to the present invention, Figure 2 is a view briefly showing an example of the wastewater discharge process of the sewage storage and discharge device according to the present invention, Figure 3 is 5 is a view briefly illustrating an example of a wastewater circulation process of a wastewater storage and discharge device according to the present invention, and FIG. 4 is a flowchart briefly illustrating main parts of a control process of the wastewater storage and discharge device according to the present invention, and FIG. The bottom part of the storage tank of a wastewater storage and discharge apparatus, and the end part of a wastewater circulation pipe are simplified views.

As shown in Figure 1, the wastewater storage and discharge device according to the present invention, the storage tank (1) is provided with a wastewater inlet, the pair of connecting the inside and outside of the storage tank (1) for storing the introduced wastewater Branch discharge pipe (2), the main discharge pipe (3) located outside the storage tank (1) and connected to a pair of branch discharge pipe (2), a pair installed in a pair of branch discharge pipe (2) in the storage tank (1) Discharge pump (4), the first on-off valve (5) installed in the main discharge pipe (3), branched off from the main discharge pipe (3) between the discharge pipe (2) and the first on-off valve (5) storage tank (1) It is configured to include a second open and close valve (7) installed in the sewage circulation pipe (6) and the sewage circulation pipe (6) connected to the lower part of.

In the present invention configured as described above, when the discharge pump 4 is operated, as shown in FIG. 2, the wastewater stored in the storage tank 1 is discharged to the outside via the branch discharge pipe 2 and the main discharge pipe 3. In this case, a part of the wastewater discharged is recovered and discharged to the lower portion of the storage tank 1 through the wastewater circulation pipe 6 and is discharged together with the wastewater discharged by stirring the sediment deposited on the lower portion of the storage tank 1. This prevents the precipitate from standing for a long time.

In particular, when the waste water is stored for a long time, as shown in Figure 3, by operating the discharge pump (4) at a constant cycle, at the same time by closing the first on-off valve (5) and opening only the second on-off valve (7), Sewage in the tank is circulated to the storage tank (1)-> branch discharge pipe (2)-> main discharge pipe (3)-> sewage circulation pipe (6)-> storage tank (1). Is sprayed at a high speed in the lower portion in the storage tank (1) to agitate the precipitate to prevent hardening due to long standing of the precipitate.

In addition, the present invention further includes a control unit 8 for controlling the discharge pump (4), the first and second on-off valves (5, 7), the control unit (8) is the first during normal operation to discharge the sewage And controlling the second on / off valves 5 and 7 to be opened so that a part of the sewage discharged at the same time as the discharge of the sewage is circulated to the lower part of the tank, and the second on / off valve 7 during the preliminary operation before the normal operation. Only open so that some waste water is circulated before discharge.

Through this, the present invention is automatically controlled to circulate the sewage before the discharge of the sewage, and to discharge the sewage after fully stirring, and to continuously circulate the sewage during discharge.

If necessary, the discharge pump 4 and the first and second on-off valves 5 and 7 may be configured to be manually operated.

In addition, the present invention is installed to detect the water level of the sewage in the storage tank 1, respectively, the first to third water level sensors (9, 10, 11) and sequentially installed spaced apart from each other from the bottom of the storage tank (1) and In addition, the alarm means for generating an alarm is further provided, the control unit 8 is each discharge pump 4 and the first and second in accordance with the detection signal input from the first to third water level sensors (9, 10, 11) It is configured to control the operation of the on-off valves 5 and 7, wherein the first water level sensor 9 detects whether the first water level, which is the level corresponding to the operation time of the single discharge pump 4, has been reached. The second water level sensor 10 detects the second water level corresponding to the operation time of both the discharge pumps 4, and the third water level sensor 11 detects the third water level, which is the water level to generate an alarm as the full water level. It is configured to.

Therefore, it is preferable that the first level sensor 9, the second level sensor 10, and the third level sensor 11 are installed in order from the bottom of the storage tank 1.

Specifically, the controller 8 determines whether or not a predetermined time Ta has elapsed when the sewage level of the sewage in the storage tank 1 is less than the first water level, and when the elapsed time Ta or more has elapsed, the discharge pump ( 4) and the first on-off valve 5 is closed and the second on-off valve 7 is controlled to open.

In this case, since the amount of sewage in the storage tank 1 is small, it is not necessary to discharge the sewage. However, sediment occurring due to the undischarged sewage for a long time is forced to circulate the sewage to prevent the occurrence and curing action.

And, as shown in FIG. 4, the controller 8 operates only a single discharge pump 4 when the water level reached in the storage tank 1 is greater than or equal to the first level and less than the second level. The second on-off valves 5 and 7 are controlled to be opened, but before the discharge pump 4 is operated for a predetermined time Tb, the first on-off valve 5 is closed and the second on-off valve 7 is controlled to open. do.

In this case, since the amount of sewage in the storage tank 1 is not large, the discharge of sewage is made only by a single discharge pump 4, and the sewage in the storage tank 1 is stirred by circulating the sewage for a predetermined time Tb before discharge of the sewage. Let's go.

In addition, when the water level of the sewage in the storage tank 1 is greater than or equal to the second level and less than the third level, the discharge pump 4 is operated to control the first and second on-off valves 5 and 7 to be opened. For example, the discharge pump 4 is operated for a predetermined time Tc, and the first on-off valve 5 is closed and the second on-off valve 7 is controlled to open.

In this case, since the amount of stored sewage in the storage tank 1 is large, the discharge of sewage is made by both discharge pumps 4, and the waste water in the storage tank 1 is circulated for a predetermined time Tc before discharge of the sewage. It is stirred.

Finally, when the sewage level of the sewage in the storage tank 1 is higher than or equal to the third level, an alarm is generated and both discharge pumps 4 are operated, and both the first and second on-off valves 5 and 7 are opened. If the amount of sewage in the storage tank (1) is excessive (inflow is excessive compared to the discharge amount), the preliminary procedure for circulating the sewage is skipped and the sewage can be discharged quickly.

For example, Ta may be set as 30 days, Tb as 30 minutes, and Tc as 20 minutes, and Ta>Tb> Tc is preferable, and Tb> Tc is a cycle time when the amount of stored sewage is large. To reduce the discharge of wastewater quickly.

And in the present invention, as shown in Figure 5, the end portion 12 of the sewage circulation pipe is located on one side of the inner lower side of the storage tank 1, is made of a flexible material so as to be able to swing when discharged sewage, storage tank The inner bottom of (1) is formed to be inclined, but is configured such that the portion where the end portion 12 of the sewage circulation pipe is located is low.

Through this, the end 12 of the sewage circulating pipe is allowed to flow and float evenly throughout the sediment at the bottom of the storage tank 1 as compared with the discharge of sewage in various directions while oscillating when the sewage is discharged. In particular, the sewage discharged due to the inclination of the bottom of the storage tank 1 is characterized by facilitating the floating of the sediment while moving upward.

Here, the sewage circulation pipe 6 is provided with a guide plate 13 is coupled to prevent the up and down rocking of the sewage circulation pipe end 12, the guide plate 13 is separated from the sewage circulation pipe end 12 It is installed to be inclined downward in the direction so that horizontal fluctuation of the sewage circulation pipe end 12 is possible, but it prevents vertical fluctuations vertically and accumulates on the bottom so that the flow of sewage discharged through the end 12 of the sewage circulation pipe is directed downward. It is desirable to be able to remove the cured precipitate.

1: storage tank 2: branch discharge pipe
3: main discharge pipe 4: discharge pump
5: 1st open / close valve 6: sewage circulation pipe
7: 2nd opening / closing valve 8: control part
9: first level sensor 10: second level sensor
11: third level sensor 12: end of sewage circulation pipe
13: guide plate

Claims (5)

The storage tank is provided with a sewage inlet, and the stored sewage,
A pair of branch discharge pipes connecting the inside and outside of the storage tank,
Main discharge pipe located outside the storage tank and connected to a pair of branch discharge pipe,
A pair of discharge pumps installed in a pair of branch discharge pipes in the storage tank,
A first on-off valve installed in the main discharge pipe,
A sewage circulation pipe branched from the main discharge pipe between the branch discharge pipe and the first opening / closing valve and connected to the lower portion of the storage tank;
It characterized in that it comprises a second on-off valve installed in the sewage circulation pipe
Sewage Storage and Drainage
The method according to claim 1,
It further comprises a control unit for controlling the discharge pump, the first and second on-off valve,
The control unit is configured to open both the first and second on-off valves during the normal operation of discharging sewage so that a part of the sewage discharged at the same time as the discharge of the sewage is circulated to the lower part of the tank. It characterized in that it is configured to control only to open the second on-off valve to circulate some sewage prior to sewage discharge
Sewage Storage and Drainage
The method according to claim 2,
First to third water level sensor is installed to detect the level of sewage in the storage tank, respectively, sequentially spaced apart from each other from the bottom of the storage tank and
It further comprises an alarm means for generating an alarm,
The control unit is configured to control the operation of each discharge pump and the first and second on-off valves according to detection signals input from the first to third water level sensors.
The first level sensor detects whether the first level, which is the level corresponding to the operation time of the single discharge pump, is reached, and the second level sensor detects the second level corresponding to the operation time of both the discharge pumps, and the third level. The sensor is configured to detect a third level, the level at which an alarm is generated as a full level
Sewage Storage and Drainage
The method according to claim 3,
The control unit,
When the water level of the sewage in the storage tank is less than the first level, it is determined whether a predetermined time Ta has elapsed, and when a predetermined time Ta or more has elapsed, the discharge pump is operated and the first on-off valve is closed and the second on-off valve is closed. Control it to open,
If the sewage level of the sewage in the storage tank is above the first level and below the second level, only the single discharge pump is operated and the first and second open / close valves are controlled, but the discharge pump is operated for a predetermined time Tb and The 1 on-off valve is closed and the second on-off valve is controlled to open,
If the sewage level of the sewage in the storage tank is greater than or equal to the second level and less than the third level, operate both discharge pumps and control the first and second open / close valves to open, but operate the discharge pump for a predetermined time Tc before The 1 on-off valve is closed and the second on-off valve is controlled to open,
When the sewage level of the sewage in the storage tank is higher than the third level, an alarm is generated and both discharge pumps are operated and the first and second on / off valves are controlled to be opened.
Sewage Storage and Drainage
The method of claim 4,
An end of the sewage circulation pipe is located at one side of the inner lower side of the storage tank, and is made of a flexible material so as to be oscillable upon discharge of sewage,
The inner bottom surface of the storage tank is formed to be inclined, the lower end portion of the sewage circulation pipe is configured to be low,
The sewage circulation pipe is provided with a guide plate coupled to prevent the up and down fluctuation of the end of the sewage circulation pipe, the guide plate is installed inclined downward in a direction away from the end of the sewage circulation pipe
Sewage Storage and Drainage

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