CN209352612U - An Automatic Control System of Sewage Alkalinity - Google Patents

Abstract

The utility model relates to the technical field of sewage treatment, in particular to an automatic control system for sewage alkalinity, which is mainly used for the pre-exposure tank in the sewage treatment system, and the control system includes a chemical storage tank, a first agitator, a chemical pump, and a controller and a pH sensor; the chemical storage tank communicates with the feed port of the chemical pump, and the discharge port of the chemical pump communicates with the pre-aeration tank through the delivery pipeline; the first agitator is fixedly installed inside the chemical storage tank, and the first agitator is connected with the control The pH sensor is fixedly installed in the pre-aeration tank and communicates with the controller. The chemical pump is electrically connected to the controller. The pH sensor detects and adjusts the pH value of the sewage in the pre-aeration tank and generates a pH signal to send to the controller. The pH signal judges whether to start or close the chemical pump and whether to start or close the first agitator. Compared with the prior art, the sewage alkalinity automatic control system of the present application has a simple structure, a high degree of automation, and is easy to operate.

Description

An Automatic Control System of Sewage Alkalinity

technical field

The utility model relates to the technical field of sewage treatment, in particular to an automatic control system for sewage alkalinity.

Background technique

The sewage treatment system adopts membrane bioreactor technology, which is a new process combining biological treatment technology and membrane separation technology. It replaces the secondary sedimentation tank in the traditional process. water. It can also maintain a high concentration of microorganisms in the biological pool, with less residual sludge in the process, and can effectively remove ammonia nitrogen. The suspended solids and turbidity of the effluent are close to zero, and the bacteria and viruses in the effluent are greatly removed. The energy consumption is low and the area is occupied. The area is small. In the 1970s, the United States, Japan, South Africa and many European countries have begun to use membrane bioreactors for research on sewage and wastewater treatment. The water source is taken from domestic sewage (such as shower drainage, toilet drainage, laundry drainage, kitchen drainage, toilet drainage, etc.] and cooling water.

At present, most of the sewage treatment systems in our country are relatively complicated, and, according to national regulations, sewage must be allowed to be discharged under the condition of suitable pH. The existing treatment method is to manually take water samples in sewage tanks or sedimentation tanks, and then Calculate the amount of medicine to be added, and then add the medicine to the sewage treatment system manually by workers. This method of manual addition is not only labor-intensive and labor-intensive, but also due to human factors, it is easy to cause more medicine or Add less happens.

Utility model content

The purpose of the utility model is to provide an automatic control system for sewage alkalinity with a simple structure in view of the deficiencies in the prior art.

The purpose of this utility model is achieved through the following technical solutions: an automatic control system for sewage alkalinity, which is mainly used in the pre-exposure tank in the sewage treatment system. The control system includes a chemical storage tank, a first agitator, a chemical pump, and a controller and a pH sensor; the chemical storage tank communicates with the feed port of the chemical pump, and the discharge port of the chemical pump communicates with the pre-aeration tank through the delivery pipeline; the first agitator is fixedly installed inside the chemical storage tank, and the first agitator is connected with the control The pH sensor is fixedly installed in the pre-aeration tank and communicates with the controller. The chemical pump is electrically connected to the controller. The pH sensor detects and adjusts the pH value of the sewage in the pre-aeration tank and generates a pH signal to send to the controller. The pH signal determines whether to activate or deactivate the drug pump and determines whether to activate or deactivate the first agitator.

Wherein, the delivery pipeline between the chemical pump and the pre-aeration tank is provided with a one-way valve and a flow meter.

Wherein, the bottom of the pre-aeration tank is provided with an aeration device, the aeration device includes an air pump, and the air pump is electrically connected with a controller, and the controller can judge whether to start or stop the air pump according to the pH signal.

Wherein, one side of the pre-aeration tank is provided with a second agitator, and the second agitator is electrically connected to the controller, and the controller can judge whether to start or close the second agitator according to the pH signal.

Among them, it also includes a cloud server and a mobile terminal. The controller communicates with the cloud server, and the cloud server communicates with the mobile terminal. In the monitoring state, the controller converts the pH signal into a cloud signal and sends it to the cloud server. The display signal is sent to the mobile terminal, and the mobile terminal performs parameter display according to the display signal.

Wherein, the mobile terminal sends an execution signal to the cloud server, and the cloud server converts the execution signal into a control signal to the main controller, and the main controller controls the first agitator and the medicine pump according to the control signal.

Among them, an alarm is also included, the alarm is electrically connected with the main controller, and the main controller judges whether to start the alarm according to the pH signal.

Beneficial effects of the utility model: In the working process of the sewage alkalinity automatic control system of the application, the pH sensor detects the pH value of the sewage in the pre-exposure tank and generates a pH signal to the controller. If the parameter value corresponding to the pH signal is less than the preset value of the controller reasonable discharge value, the controller controls the first agitator to stir the medicine in the medicine storage tank, and controls the medicine pump to perform dosing operation, when the parameter value corresponding to the pH signal sent by the pH sensor meets the reasonable discharge value , the controller controls the first agitator and the chemical pump to stop working. Compared with the prior art, the automatic control system for sewage alkalinity of the present application has a simple structure, a high degree of automation, and is easy to operate.

Description of drawings

Utilize accompanying drawing to further illustrate the utility model, but the embodiment in the accompanying drawing does not constitute any restriction to the utility model, for those of ordinary skill in the art, under the premise of not paying creative work, also can obtain according to following accompanying drawing Additional drawings.

Fig. 1 is a structural schematic diagram of a sewage alkalinity automatic control system of the present invention.

Reference numerals: controller 1 , cloud server 2 , mobile terminal 3 , drug pump 4 , drug storage tank 5 , first agitator 6 , second agitator 7 , pH sensor 8 , pre-aeration tank 9 air pump 10 .

Detailed ways

The utility model is further described in conjunction with the following examples.

A specific embodiment of a sewage alkalinity automatic control system of the present utility model, as shown in Figure 1, is mainly used in the pre-aeration tank 9 in the sewage treatment system, and the control system includes a medicament storage tank 5 and a first agitator 6 , medicament pump 4, controller 1 and pH sensor 8; medicament storage tank 5 is communicated with the feeding port of medicament pump 4, and the discharge port of medicament pump 4 is communicated with pre-aeration tank 9 through conveying pipeline; The first agitator 6 is fixed Installed in the inside of the medicament storage tank 5, the first agitator 6 is electrically connected to the controller 1; the pH sensor 8 is fixedly installed in the pre-aeration tank 9 and communicated with the controller 1, and the medicament pump 4 is electrically connected to the controller 1, The pH sensor 8 detects and adjusts the pH value of the sewage in the pre-aeration tank 9 and generates a pH signal and sends it to the controller 1. The controller 1 judges whether to start or stop the chemical pump 4 and whether to start or close the first agitator 6 according to the pH signal. , Compared with the prior art, the sewage alkalinity automatic control system of the present application has a simple structure, a high degree of automation, and is easy to operate.

In this embodiment, the delivery pipeline between the chemical pump 4 and the pre-aeration tank 9 is provided with a one-way valve and a flow meter.

In this embodiment, the bottom of the pre-aeration tank 9 is provided with an aeration device, the aeration device includes an air pump 10, and the air pump 10 is electrically connected to the controller 1, and the controller 1 can judge whether to start or stop the air pump 10 according to the pH signal.

In this embodiment, one side of the pre-aeration tank 9 is provided with a second agitator 7, the second agitator 7 is electrically connected to the controller 1, and the controller 1 can judge whether to start or stop the second agitator according to the pH signal device7.

In this embodiment, in order to facilitate users to remotely observe and monitor the frequency conversion system, the system also includes a cloud server 2 and a mobile terminal 3, the controller 1 is connected to the cloud server 2, and the cloud server 2 and the mobile terminal 3 In the communication connection and monitoring state, the controller 1 converts the pH signal into a cloud signal and sends it to the cloud server 2, and the cloud server 2 generates a display signal according to the cloud signal and sends it to the mobile terminal 3, and the mobile terminal 3 displays parameters according to the display signal.

In this embodiment, in order to facilitate the user to remotely control the system, the mobile terminal 3 sends an execution signal to the cloud server 2, and the cloud server 2 converts the execution signal into a control signal to the main controller 1, and the main controller 1 The first mixer 6 and the drug pump 4 are controlled according to the control signal.

In this embodiment, in order to enhance the early warning performance of the water pump frequency conversion system, the system also includes an alarm (not shown), the alarm is electrically connected to the main controller 1, and the main controller 1 judges whether to activate the alarm according to the pH signal.

In the working process of the sewage alkalinity automatic control system of this embodiment, the pH sensor 8 detects the pH value of the sewage in the pre-aeration tank 9 and generates a pH signal to the controller 1. If the parameter value corresponding to the pH signal is less than the preset value of the controller 1 If the discharge value is reasonable, the controller 1 controls the first agitator 6 to stir the medicine in the medicine storage tank 5, and controls the medicine pump 4 to perform the medicine dosing operation. When the parameter value corresponding to the pH signal sent by the pH sensor 8 meets the When the discharge value is reasonable, the controller 1 controls the first agitator 6 and the chemical pump 4 to stop working. Compared with the prior art, the sewage alkalinity automatic control system of the present application has a simple structure, a high degree of automation, and is easy to operate. .

Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present utility model, rather than limiting the protection scope of the present utility model. Although the utility model has been described in detail with reference to the preferred embodiments, those skilled in the art Personnel should understand that the technical solution of the utility model can be modified or equivalently replaced without departing from the essence and scope of the technical solution of the utility model.

Claims (7)

1. a kind of sewage basicity automatic control system is mainly used for the pre-exposure pond in sewage disposal system, it is characterised in that: control System processed includes medicament storage tank, the first blender, compound pump, controller and pH sensor；

The medicament storage tank is connected to the feed inlet of the compound pump, and the discharge port of the compound pump is by conveyance conduit and in advance Expose pond connection；

First blender is fixedly mounted on the inside of medicament storage tank, and the first blender is electrically connected with the controller；

The pH sensor is fixedly mounted in pre-exposure pond and communicates to connect with controller, and the compound pump is electrically connected with controller Connect, pH sensor detection, which adjusts in pre-exposure pond the pH value of sewage and generates pH signal, is delivered to controller, controller according to The pH signal judges whether to start or close compound pump and judges whether to start or close the first blender.

2. a kind of sewage basicity automatic control system according to claim 1, it is characterised in that: the compound pump and pre-exposure Conveyance conduit between pond is provided with check valve and flowmeter.

3. a kind of sewage basicity automatic control system according to claim 1, it is characterised in that: the bottom in the pre-exposure pond It is provided with aerator, the aerator includes air pump, and the air pump is electrically connected with the controller, and controller can be according to pH signal Judge whether to start or close the air pump.

4. a kind of sewage basicity automatic control system according to claim 1, it is characterised in that: the inside in the pre-exposure pond Wherein one side is provided with the second blender, and second blender is electrically connected with the controller, and controller can be sentenced according to pH signal It is disconnected whether to start or close second blender.

5. a kind of sewage basicity automatic control system according to claim 1, it is characterised in that: further include cloud server And mobile terminal, controller and cloud server communicate to connect, the cloud server is connect with communication of mobile terminal, monitors shape Under state, controller is converted into cloud signal to cloud server according to pH signal, and cloud server generates display according to the cloud signal Signal is delivered to mobile terminal, and mobile terminal carries out parameter according to the display signal and shows.

6. a kind of sewage basicity automatic control system according to claim 5, it is characterised in that: mobile terminal, which issues, to be executed Signal to cloud server, cloud server is converted into control signal to master controller, master controller root according to the execution signal The first blender and compound pump are controlled according to the control signal.

7. a kind of sewage basicity automatic control system according to claim 1, which is characterized in that it further include alarm device, institute It states alarm device to be electrically connected with master controller, master controller judges whether to start alarm device according to pH signal.