CN110409591A - A sewage pumping storage system based on vacuum negative pressure - Google Patents

Abstract

The invention relates to the technical field of sewage treatment, in particular to a sewage pumping and storage system based on vacuum negative pressure. The application uses vacuum negative pressure to design a sewage treatment system integrating sewage extraction, discharge and storage. The system includes electrical intelligence Controller, storage tank, waste water tank and vacuum negative pressure unit. A small amount of sewage is collected through the storage tank, and when the sewage is collected to a certain amount, the first automatic membrane valve is opened, and the sewage in the storage tank is discharged into the sewage tank through the vacuum negative pressure unit on the sewage tank for centralized storage, while A large amount of sewage is directly discharged into the sewage tank through the sewage inlet pipe for centralized collection, which realizes the centralized collection and storage of a small amount of sewage and a large amount of sewage, and at the same time avoids the need to frequently open the pipeline when a small amount of water is discharged during the sewage discharge process The first automatic membrane valve, which shortens the service life of the first automatic membrane valve, saves costs.

Description

A sewage pumping storage system based on vacuum negative pressure

technical field

The invention relates to the technical field of sewage treatment, in particular to a sewage pumping and storage system based on vacuum negative pressure.

Background technique

Sewage treatment systems are widely used in various fields of life, such as sewage stations, toilets and ships, but in reality the collection and treatment of sewage will involve many problems, such as the collection of large amounts of water and small amounts of water, if If a unified collection pipe is used for collection, the automatic membrane valve needs to be opened frequently when a large amount of water or a small amount of water flows through, which will greatly shorten the service life of the automatic membrane valve and require frequent replacement, which increases the cost.

In addition, the existing sewage treatment system generally discharges sewage directly into the sewer, and cannot centrally collect and store the sewage. This is not applicable in many application scenarios without sewers, such as on ships, in mobile On-vehicle toilets; at the same time, it is impossible to uniformly treat sewage, such as fermentation and then discharge.

Contents of the invention

The present application provides a vacuum negative pressure-based sewage pumping and storage system, the purpose of which is to use vacuum negative pressure to design a sewage treatment system integrating sewage extraction, discharge and storage. Specifically, it is realized through the following technical solutions:

A sewage pumping storage system based on vacuum negative pressure, including an electrical intelligent controller, a storage tank, a sewage tank and a vacuum negative pressure unit;

The storage tank is provided with a storage tank water inlet pipe and a storage tank water level switch, the sewage flows into the storage tank through the storage tank water inlet pipe for collection and storage, and the storage tank water level switch is electrically connected with the electrical intelligent controller, Used to detect liquid level information in the storage tank;

The sewage tank is provided with a sewage water inlet pipe, the sewage water inlet pipe is provided with a first automatic membrane valve, and the electrical intelligent controller is electrically connected with the first automatic membrane valve for detecting the sewage Open the first automatic membrane valve when sewage flows into the water inlet pipe;

The sewage tank and the storage tank are connected through the outlet pipe of the storage tank, and a third automatic membrane valve is installed on the outlet pipe of the storage tank, and the third automatic membrane valve is electrically connected with the electrical intelligent controller;

The vacuum negative pressure unit is arranged on the sewage tank and communicates with the interior of the sewage tank, and the vacuum negative pressure unit is electrically connected with an electrical intelligent controller, and is used to vacuumize the sewage tank so that the sewage The box is under negative pressure;

The electrical intelligent controller is used to open the third automatic membrane valve when it detects that the liquid level information in the storage tank reaches a preset height, so that the sewage in the storage tank flows into it under vacuum and negative pressure. in the waste water tank.

Wherein, the sewage tank is provided with an automatic sewage liquid level switch for detecting liquid level information in the sewage tank, and the electrical intelligent controller is also electrically connected with the sewage liquid level automatic switch;

The system also includes an automatic sewage discharge unit, the automatic sewage discharge unit is connected with the sewage tank, and the electrical intelligent controller is also used to activate the sewage tank when the liquid level information in the sewage tank reaches a preset height. The automatic sewage discharge unit discharges the sewage in the sewage tank.

Wherein, the vacuum negative pressure unit includes at least a first vacuum pump and a second vacuum pump, and the first vacuum pump and the second vacuum pump communicate with the interior of the waste water tank through the first vacuum inlet pipe and the second vacuum inlet pipe respectively, and the A first vacuum intake automatic valve and a second vacuum intake automatic valve are respectively installed on the first vacuum intake pipe and the second vacuum intake pipe;

The electrical intelligent controller is respectively connected with the first vacuum pump, the second vacuum pump, the first vacuum intake automatic valve and the second vacuum intake automatic valve for controlling their opening and closing.

Further, a cooling unit is also included, the cooling unit is arranged on the first vacuum pump and the second vacuum pump, and is used for cooling the first vacuum pump and the second vacuum pump.

Wherein, the cooling unit includes a water tank, and the water tank is provided with a circulation cooling pipeline, and the circulation cooling pipeline is provided on the first vacuum pump and the second vacuum pump.

Wherein, the water tank is provided with a water tank inlet pipe, and the water tank automatic valve is provided on the water tank inlet pipe;

The water tank is also provided with an automatic water level replenishment switch for detecting the water level information in the water tank, and the electrical intelligent controller is electrically connected with the automatic water tank valve and the automatic water level replenishment switch for detecting the When the water level in the water tank is lower than the preset value, the automatic valve of the water tank is opened to replenish water to the water tank.

Further, it also includes a dispersed sewage inlet pipe arranged at the upper end of the sewage tank, the dispersed sewage inlet pipe is provided with a plurality of dispersion holes, and the sewage enters the sewage tank through the dispersion holes.

Further, it also includes a filter layer arranged in the sewage tank, and the filter layer is arranged at the upper end of the dispersed sewage water inlet pipe to prevent pollutants from being sucked into the first vacuum inlet pipe and the second vacuum inlet pipe. trachea.

Further, it also includes a vacuum pressure switch arranged in the sewage tank for detecting the negative pressure in the sewage tank, and the electrical intelligent controller is also electrically connected with the vacuum pressure switch for detecting the negative pressure in the sewage tank. The first vacuum pump and/or the second vacuum pump are started to work when the negative pressure in the waste water tank is lower than a preset value.

Wherein, the automatic sewage discharge unit includes a sewage pump, and the sewage pump communicates with the sewage tank through a sewage pipe;

The electrical intelligent controller is electrically connected to the sewage pump, and is used to start the sewage pump when detecting that the liquid level information in the sewage tank reaches a preset height, so as to discharge the sewage in the sewage tank.

According to the sewage pumping and storage system based on vacuum negative pressure in the above embodiment, a small amount of sewage is collected through the storage tank, and when the sewage is collected to a certain amount, the first automatic membrane valve is opened, and the vacuum negative pressure unit on the sewage tank is used to The sewage in the storage tank is discharged into the sewage tank for centralized storage, and a large amount of sewage is directly discharged into the sewage tank through the sewage inlet pipe for centralized collection, thus realizing the centralized collection and storage of a small amount of sewage and a large amount of sewage, while avoiding When a small amount of water is discharged during the sewage discharge process, the first automatic membrane valve on the pipeline needs to be frequently opened, which shortens the service life of the first automatic membrane valve and saves costs.

Description of drawings

Fig. 1 is a structural block diagram of a sewage pumping, drainage and storage system according to an embodiment of the present application.

Detailed ways

The present invention will be further described in detail below through specific embodiments in conjunction with the accompanying drawings. Wherein, similar elements in different implementations adopt associated similar element numbers. In the following implementation manners, many details are described for better understanding of the present application. However, those skilled in the art can readily recognize that some of the features can be omitted in different situations, or can be replaced by other elements, materials, and methods. In some cases, some operations related to the application are not shown or described in the description, this is to avoid the core part of the application being overwhelmed by too many descriptions, and for those skilled in the art, it is necessary to describe these operations in detail Relevant operations are not necessary, and they can fully understand the relevant operations according to the description in the specification and general technical knowledge in the field.

In addition, the characteristics, operations or characteristics described in the specification can be combined in any appropriate manner to form various embodiments. At the same time, the steps or actions in the method description can also be exchanged or adjusted in a manner obvious to those skilled in the art. Therefore, various sequences in the specification and drawings are only for clearly describing a certain embodiment, and do not mean a necessary sequence, unless otherwise stated that a certain sequence must be followed.

The serial numbers assigned to components in this document, such as "first", "second", etc., are only used to distinguish the described objects, and do not have any sequence or technical meaning.

The present invention is a sewage pumping and storage system that can be used in various fields such as sewage stations, toilets, ships, etc. It uses vacuum negative pressure technology to pump and discharge sewage, and at the same time collects and stores a large amount of sewage and a small amount of sewage, and then performs unified treatment Discharge, the system can be applied to various fields that need to collect and store sewage together, and can be used but not limited to sewage stations, toilets, and ships. The structure and functions of the system of the present application will be described in detail below in conjunction with specific embodiments.

Embodiment one:

Please refer to FIG. 1 , this embodiment provides a sewage pumping and storage system based on vacuum negative pressure, which includes an electrical intelligent controller 1 , a storage tank 24 , a sewage tank 14 and a vacuum negative pressure unit.

Wherein, the electrical intelligent controller 1 includes a power supply box and a microprocessor (such as MCU or PLC controller) and a memory (such as a memory card or a hard disk) arranged in the power supply box, and the memory is preset with a set control program , the microprocessor can execute the control program to control the work of the whole system. Wherein, the upper end of the storage tank 24 is connected with a storage tank water inlet pipe 25, and a small amount of sewage flows into the storage tank 24 through the storage tank water inlet pipe 25 for storage. Meanwhile, the storage tank 24 is also provided with a storage tank water level switch 23, the storage tank water level switch 23 is connected with the electrical intelligent controller 1 by cables, the storage tank water level switch 23 is used to detect the water level signal in the storage tank 24, and The detected water level signal in the storage tank 24 is sent to the electrical intelligent controller 1 .

Wherein, the sewage tank 14 is provided with a sewage water inlet pipe 21. In this embodiment, the sewage water inlet pipe 21 is provided with two sewage water inlet branch pipes, and the first automatic membrane valve 11 and The second automatic membrane valve 12, the first automatic membrane valve 11 and the second automatic membrane valve 12 are electrically connected to the electrical intelligent controller 1, and when it is detected that sewage flows into the sewage inlet branch pipe, the first automatic membrane valve is opened 11 and/or the second automatic membrane valve 12, so that the sewage enters the sewage tank for storage.

Wherein, the sewage tank 14 and the storage tank 24 are communicated through the storage tank outlet pipe 26, and the third automatic membrane valve 13 is installed on the storage tank outlet pipe 26, and the third automatic membrane valve 13 is electrically connected with the electric intelligent controller 1, Opening and closing of the third automatic membrane valve 13 can be automatically controlled. The first automatic membrane valve 11, the second automatic membrane valve 12 and the third automatic membrane valve 13 are independently controlled by the electrical intelligent controller 1 as required, and the electrical intelligent controller 1 can simultaneously open the first Automatic membrane valve 11, the second automatic membrane valve 12 and the third automatic membrane valve 13, or open one or both of them at will.

Wherein, the vacuum negative pressure unit is arranged on the sewage tank 14 and communicates with the interior of the sewage tank 14, and the vacuum negative pressure unit is electrically connected with the electrical intelligent controller 1, and is used to vacuumize the sewage tank 14 so that the sewage tank 14 is under negative pressure. state, when the electrical intelligent controller 1 detects that the liquid level information in the storage tank 24 reaches the preset height, the third automatic membrane valve 13 is opened, so that the sewage in the storage tank 24 flows into the sewage tank 14 under vacuum and negative pressure middle. In this way, when a small amount of sewage accumulates to a certain extent in the storage tank 24, it is uniformly discharged into the sewage tank 14, thus avoiding the frequent switching of the third automatic membrane valve 13, reducing the wear and tear of the third automatic membrane valve 13, and increasing the production capacity. In addition, the service life is reduced, and the cost of construction is also reduced. The sewage flows into the storage tank 24 for collection and temporary storage. When the storage tank water level switch 23 on the storage tank 24 detects that the tank is almost full, the third automatic membrane valve 13 is controlled to open, and there is a high vacuum load in the sewage tank 14. Under the suction force of pressure, the sewage in the storage tank 24 is automatically sucked in the sewage tank 14, which solves the technical problem of collecting a small amount of sewage to storing and concentrating suction and discharge into the sewage tank 14.

Specifically, the vacuum negative pressure unit of the present embodiment includes a first vacuum pump 9 and a second vacuum pump 10, and the first vacuum pump 9 and the second vacuum pump 10 communicate with the sewage tank 14 through the first vacuum inlet pipe 7 and the second vacuum inlet pipe respectively. The first vacuum intake pipe 7 and the second vacuum intake pipe are respectively equipped with a first vacuum intake automatic valve 82 and a second vacuum intake automatic valve 81; the electrical intelligent controller 1 is connected with the first vacuum pump 9 and the second vacuum intake pipe respectively. The vacuum pump 10, the first vacuum intake automatic valve 82 and the second vacuum intake automatic valve 81 are connected to control their opening and closing. Wherein, the dual vacuum pump system of the first vacuum pump 9 and the second vacuum pump 10 is adopted, the two vacuum pumps can work alternately, and the first vacuum pump 9 or the second vacuum pump 10 can operate independently under the control of the electrical intelligent controller 1, so that even one If the vacuum pump fails, another vacuum pump can work in time, avoiding the problem that the whole system cannot work. Double vacuum pump alternate intermittent operation technology, because generally only one of the vacuum pumps works, the other vacuum pump stops to rest, and the two vacuum pumps work and rest alternately, which solves the problem of shortening the working life of the vacuum pump due to long-term high-temperature wear and tear of one vacuum pump.

Wherein, the system also includes a vacuum pressure switch 5 arranged in the sewage tank 14, the vacuum pressure switch 5 is used to detect the negative pressure in the sewage tank 14, and the electrical intelligent controller 1 is also electrically connected with the vacuum pressure switch 5, when detected When the negative pressure in the sewage tank 14 is lower than the preset value, the electrical intelligent controller 1 starts the first vacuum pump 9 or the second vacuum pump 10 to work according to the preset program. Under the exchange work of the first vacuum pump 9 and the second vacuum pump 10, the dirty water tank 14 draws out the air in the dirty water tank 14, so that a certain negative pressure suction is created inside the dirty water tank 14, so as to achieve the effect of sucking dirt. The vacuum pressure switch 5 sets a certain negative pressure value range, and the negative pressure value data of the vacuum pressure switch 5 is transmitted to the electrical intelligent controller 1, and the electrical intelligent controller 1 controls the first vacuum pump 9 and the second vacuum pump 9 according to a preset program. Two vacuum pumps 10 work or stop.

Through the sewage pumping and storage system based on vacuum negative pressure in this implementation, a small amount of sewage and a large amount of sewage can be collected separately, and the collected sewage can be uniformly discharged into the sewage tank 14 through vacuum negative pressure technology for unified treatment and discharge.

Further, an automatic sewage liquid level switch 17 is provided in the sewage tank 14, the automatic sewage liquid level switch 17 is used to detect the liquid level information in the sewage tank 14, and the automatic sewage liquid level switch 17 is electrically connected with the electrical intelligent controller 1 , for sending the detected liquid level information in the sewage tank 14 to the electrical intelligent controller 1 . Further, the system also includes an automatic sewage discharge unit, which communicates with the sewage tank 14 through the sewage pipe 18, and the electrical intelligent controller 1 is used to start the automatic sewage discharge when the liquid level information in the sewage tank 14 reaches a preset height unit to discharge the sewage in the sewage tank. Specifically, the automatic sewage discharge unit of this embodiment includes a sewage pump 15, and the sewage pump 15 communicates with the sewage tank 14 through the sewage pipe 18; When the liquid level information in 14 reaches the preset height, when the sewage liquid level automatic switch 17 is turned on, it transmits a signal to the electrical intelligent controller 1, and the electrical intelligent controller 1 controls the sewage pump 15 to start and work according to the preset program, and the sewage tank The sewage in 14 is discharged from blowdown pipe 18.

Further, the system further includes a cooling unit, which is arranged on the first vacuum pump 9 and the second vacuum pump 10 and used for cooling the first vacuum pump 9 and the second vacuum pump 10 . Specifically, the cooling unit of this embodiment includes a water tank 2, the water tank 2 is provided with a circulation cooling pipeline 6, the circulation cooling pipeline 6 is arranged on the heat dissipation area of the first vacuum pump 9 and the second vacuum pump 10, the circulation cooling pipeline 6 and the water tank 2 A circulation system is formed to continuously take away the heat of the first vacuum pump 9 and the second vacuum pump 10 during work. The first vacuum pump 9 and the second vacuum pump 10 are cooled to prevent the first vacuum pump 9 and the second vacuum pump 10 from rising in temperature during operation, thereby burning out the first vacuum pump 9 and the second vacuum pump 10 .

Wherein, the water tank 2 is provided with a water tank water inlet pipe 27, and the water tank water inlet pipe 27 is provided with a water tank automatic valve 3; the water tank 2 is also provided with an automatic water level supply switch 4, which is used to detect the water level in the water tank 2 information, the electrical intelligent controller 1 is electrically connected with the water tank automatic valve 3 and the automatic water level replenishment switch 4 respectively, and is used to open the water tank automatic valve 3 to replenish water to the water tank 2 when detecting that the water level in the water tank 2 is lower than a preset value. When working, the automatic water level replenishment switch 4 on the water tank 2 sets a certain water volume detection range. When the water level in the water tank 2 is lower than the set value, the automatic water level replenishment switch 4 transmits a signal to the electrical intelligent controller 1, and the electrical intelligent The controller 1 controls the automatic valve 3 of the water tank to open the water replenishment according to the pre-set program. When the water in the water tank 2 is replenished to a certain capacity, the automatic water level replenishment switch 4 transmits a signal to the electrical intelligent controller 1, and the electrical intelligent controller 1 Control the automatic valve 3 of the water tank to close the replenishment water according to the program set in advance.

Wherein, the system also includes a dispersed sewage inlet pipe 19 arranged at the upper end of the sewage tank 14, and a plurality of dispersed holes are arranged on the dispersed sewage inlet pipe 19, through which the sewage enters the sewage tank 14. There are multiple holes on the surface of the scattered sewage inlet pipe 19, fearing that one hole will easily cause blockage, which will affect the smooth entry of the sewage in the sewage water inlet pipe 21 into the sewage tank 14.

Wherein, the system also includes a filter layer 20 arranged in the sewage tank 14, and the filter layer 20 is arranged on the upper end of the dispersed sewage water inlet pipe 19 to prevent pollutants from being sucked into the first vacuum inlet pipe 7 and the second vacuum inlet pipe . The filter layer 20 is to block and filter the dirt sucked by the sewage water inlet pipe 21 when the dirt is sucked into the sewage tank 14 through the sewage water inlet pipe 21, for fear of blocking the vacuum inlet pipe 7 suction port of the vacuum pump, causing the pipeline suction port to be blocked. Affect the normal operation of the two vacuum pumps.

The sewage pumping and storage system provided according to this embodiment can be used in various fields such as sewage stations, toilets, and ships. The device for collecting and storing sewage by using vacuum negative pressure technology can be applied to various needs to collect sewage The field of collective storage can be used in sewage stations, toilets, and ships, but it is not limited to the above-mentioned fields, and can also be applied to other fields that need to collect sewage together for storage.

The above uses specific examples to illustrate the present invention, which is only used to help understand the present invention, and is not intended to limit the present invention. For those skilled in the technical field to which the present invention belongs, some simple deduction, deformation or replacement can also be made according to the idea of the present invention.

Claims (10)

1. A sewage pumping storage system based on vacuum negative pressure, characterized in that it includes an electrical intelligent controller, a storage tank, a sewage tank and a vacuum negative pressure unit; The storage tank is provided with a storage tank water inlet pipe and a storage tank water level switch, the sewage flows into the storage tank through the storage tank water inlet pipe for collection and storage, and the storage tank water level switch is electrically connected with the electrical intelligent controller, Used to detect liquid level information in the storage tank; The sewage tank is provided with a sewage water inlet pipe, the sewage water inlet pipe is provided with a first automatic membrane valve, and the electrical intelligent controller is electrically connected with the first automatic membrane valve for detecting the sewage Open the first automatic membrane valve when sewage flows into the water inlet pipe; The sewage tank and the storage tank are connected through the outlet pipe of the storage tank, and a third automatic membrane valve is installed on the outlet pipe of the storage tank, and the third automatic membrane valve is electrically connected with the electrical intelligent controller; The vacuum negative pressure unit is arranged on the sewage tank and communicates with the interior of the sewage tank, and the vacuum negative pressure unit is electrically connected with an electrical intelligent controller, and is used to vacuumize the sewage tank so that the sewage The box is under negative pressure; The electrical intelligent controller is used to open the third automatic membrane valve when it detects that the liquid level information in the storage tank reaches a preset height, so that the sewage in the storage tank flows into it under vacuum and negative pressure. in the waste water tank. 2. The sewage pumping and storage system according to claim 1, wherein an automatic sewage liquid level switch is provided in the sewage tank for detecting liquid level information in the sewage tank, and the electrical intelligent control The device is also electrically connected with the automatic switch of the sewage liquid level; The system also includes an automatic sewage discharge unit, the automatic sewage discharge unit is connected with the sewage tank, and the electrical intelligent controller is also used to activate the sewage tank when the liquid level information in the sewage tank reaches a preset height. The automatic sewage discharge unit discharges the sewage in the sewage tank. 3. The sewage pumping and storage system according to claim 1, wherein the vacuum negative pressure unit comprises at least a first vacuum pump and a second vacuum pump, and the first vacuum pump and the second vacuum pump are respectively fed through the first vacuum pump. The trachea and the second vacuum intake pipe communicate with the interior of the sewage tank, and the first vacuum intake pipe and the second vacuum intake pipe are respectively equipped with a first vacuum intake automatic valve and a second vacuum intake automatic valve; The electrical intelligent controller is respectively connected with the first vacuum pump, the second vacuum pump, the first vacuum intake automatic valve and the second vacuum intake automatic valve for controlling their opening and closing. 4. The sewage pumping and storage system according to claim 3, further comprising a cooling unit, the cooling unit is arranged on the first vacuum pump and the second vacuum pump, for cooling the first vacuum pump and the second vacuum pump The second vacuum pump is used for cooling down. 5. The sewage pumping and storage system according to claim 4, wherein the cooling unit comprises a water tank, and the water tank is provided with a circulating cooling pipeline, and the circulating cooling pipeline is arranged between the first vacuum pump and the second vacuum pump. Two vacuum pumps on. 6. The sewage pumping and drainage storage system as claimed in claim 4, wherein the water tank is provided with a water tank inlet pipe, and the water tank inlet pipe is provided with a water tank automatic valve; The water tank is also provided with an automatic water level replenishment switch for detecting the water level information in the water tank, and the electrical intelligent controller is electrically connected with the automatic water tank valve and the automatic water level replenishment switch for detecting the When the water level in the water tank is lower than the preset value, the automatic valve of the water tank is opened to replenish water to the water tank. 7. The sewage pumping and storage system according to claim 1, further comprising a dispersed sewage inlet pipe arranged at the upper end of the sewage tank, said dispersed sewage inlet pipe is provided with a plurality of dispersed holes, so The sewage enters the sewage tank through the dispersion holes. 8. The sewage pumping and storage system according to claim 3, further comprising a filter layer arranged in the sewage tank, and the filter layer is arranged at the upper end of the dispersed sewage inlet pipe to prevent Contaminants are drawn into the first vacuum inlet and the second vacuum inlet. 9. The sewage pumping and storage system according to claim 3, further comprising a vacuum pressure switch arranged in the sewage tank for detecting the negative pressure in the sewage tank, and the electrical intelligent control The device is also electrically connected with the vacuum pressure switch, and is used to start the first vacuum pump and/or the second vacuum pump to work when it is detected that the negative pressure in the waste water tank is lower than a preset value. 10. The sewage pumping and storage system according to claim 2, wherein the automatic sewage discharge unit comprises a sewage pump, and the sewage pump communicates with the sewage tank through a sewage pipe; The electrical intelligent controller is electrically connected to the sewage pump, and is used to start the sewage pump when detecting that the liquid level information in the sewage tank reaches a preset height, so as to discharge the sewage in the sewage tank.