CN216798844U - Novel mud control system is arranged to full-automatic sedimentation tank - Google Patents
Novel mud control system is arranged to full-automatic sedimentation tank Download PDFInfo
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- CN216798844U CN216798844U CN202122521470.0U CN202122521470U CN216798844U CN 216798844 U CN216798844 U CN 216798844U CN 202122521470 U CN202122521470 U CN 202122521470U CN 216798844 U CN216798844 U CN 216798844U
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Abstract
The utility model provides a novel full-automatic sedimentation tank sludge discharge control system, which comprises a sedimentation tank, wherein the bottom of the sedimentation tank is provided with a sludge collection area, a sludge discharge pipe for outputting sludge is installed in the sludge collection area, an electric sleeve valve for controlling the sludge discharge flow is installed at a sludge discharge port of the sludge discharge pipe, a sludge interface instrument for monitoring the sludge level in real time is installed in the liquid surface of the sedimentation tank, the sludge interface instrument feeds monitoring signals back to a PLC (programmable logic controller), the PLC is installed in a control cabinet on site, a human-computer interaction interface is installed on the control cabinet, the PLC is connected with the human-computer interaction interface, the electric sleeve valve is connected with the PLC, the height of the sludge level in the sedimentation tank is finally controlled, the stable standard operation of the sedimentation tank is ensured, the practical performance is excellent, and the system is efficient and safe.
Description
Technical Field
The utility model relates to the technical field of sewage treatment, in particular to a novel full-automatic sedimentation tank sludge discharge control system.
Background
The urban sewage can be divided into domestic sewage, industrial sewage and runoff sewage according to the source, the domestic sewage, the industrial sewage and the runoff sewage are collected by urban pipelines and are treated by an urban sewage treatment plant, and the sewage treatment plant separates and removes pollutants contained in the sewage from the water by utilizing various equipment and process technologies, so that the harmful substances are converted into harmless substances, and the water is purified.
The secondary sedimentation tank is widely used for solid-liquid separation of mixed liquor of a sewage treatment plant, the height of the sludge level of the secondary sedimentation tank can reflect the sedimentation performance of activated sludge in the secondary sedimentation tank, and the secondary sedimentation tank is a key parameter for controlling and discharging excess sludge. The control of the mud level in the secondary sedimentation tank during the circulation is very critical, and the stable operation of the secondary sedimentation tank is directly influenced. At present, the mud level of the secondary sedimentation tank generally depends on the experience of operators or the manual detection of the mud level on site, the adjustment of the mud discharge amount is realized by manually adjusting the height of a sleeve valve, the workload is high, the secondary sedimentation tank is not easy to control, the mud level is often ultrahigh, the water quality of discharged water is influenced, and even the blockage of the mud discharge valve is caused, so that the secondary sedimentation tank has the defects.
In summary, aiming at the defects existing in the prior art, a novel full-automatic sedimentation tank sludge discharge control system is particularly needed to solve the defects in the prior art.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a novel full-automatic sedimentation tank sludge discharge control system which is novel in design, efficient, safe and intelligent in sludge level control, high in practicability and capable of avoiding too high or too low sludge level.
The technical scheme adopted by the utility model for solving the technical problem is as follows:
the utility model provides a novel mud control system is arranged to full-automatic sedimentation tank, including the sedimentation tank, the bottom of sedimentation tank sets up to the mud collection district, the mud pipe of output mud is installed in the mud collection district, the electronic sleeve valve of control mud discharge flow is installed to the mud mouth of mud pipe, install the mud interface appearance of real-time supervision mud position in the sedimentation tank liquid, mud interface appearance feeds back monitoring signal to the PLC controller, the PLC controller is installed inside the switch board at scene, install human-computer interaction interface on the switch board, human-computer interaction interface is connected to the PLC controller, electronic sleeve valve connects the PLC controller.
Furthermore, the human-computer interaction interface adopts a touch screen type.
Furthermore, a monitoring module, an alarm module and an expansion module are respectively arranged in the control cabinet.
Furthermore, the model of the PLC controller is Siemens S7-1200.
Furthermore, the sampling material of the sludge discharge pipe is PVC, and the diameter of the sludge discharge pipe is 200 mm.
Further, the normal height of the sludge liquid level in the sludge collection area is 0.6-1.0 m.
Further, the PLC transmits the sludge level to a central control room through a network module.
Further, the network module adopts a local area network, an Ethernet or a wireless network.
The utility model has the advantages that:
in conclusion, the sludge level monitoring device is reasonable in design and excellent in automation degree, and the sludge level of the sedimentation tank is monitored in real time by adopting the sludge level interface instrument, and signals are fed back to the field control cabinet and then transmitted to the central control room. The field control cabinet or the central control room pass through PLC controller or manual adjustment electrical control sleeve valve height, and the control mud discharge amount finally realizes the height of control sedimentation tank mud liquid level, guarantees the stable up-to-standard operation of sedimentation tank, and practicality is excellent, high-efficient and safety.
Drawings
FIG. 1 is a block diagram of the present invention;
100-sludge interface instrument, 110-sludge discharge pipe, 120-electric sleeve valve, 130-control cabinet and 140-central control room.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the utility model easy to understand, the utility model is further explained by combining the drawings and the specific embodiments.
As shown in fig. 1, the technical solution adopted by the present invention to solve the technical problem is: the utility model provides a novel full-automatic sedimentation tank arranges mud control system, including the sedimentation tank, the bottom of sedimentation tank sets up to the collection mud district, the mud pipe 110 of output mud is installed in the collection mud district, the quality of adopting of mud pipe is PVC, the diameter of mud pipe is 200mm, the electronic telescopic valve 120 of control mud discharge flow is installed to the mud mouth of mud pipe 110, install the mud interface appearance 100 of real-time supervision mud position in the sedimentation tank liquid level, mud interface appearance 100 feeds back monitor signal to the PLC controller, the model of PLC controller is siemens S7-1200 type, the PLC controller is installed inside on-the-spot switch board 130, install human-computer interaction interface on the switch board 130, the PLC controller is connected human-computer interaction interface, electronic telescopic valve 120 connects the PLC controller, human-computer interaction interface adopts the touch-screen formula. The PLC controller transmits the sludge level to the central control room 140 through the network module. The network module adopts a local area network or an Ethernet or a wireless network.
The mud level interface instrument is arranged in the sedimentation tank, monitors the mud level of the sedimentation tank in real time, feeds back signals to the field PLC controller, and then transmits the signals to the central control room. The height of an electric sleeve valve is adjusted through a PLC (programmable logic controller) or a manual mode in a field control cabinet or a central control room, sludge sprayed from a sludge outlet on the electric sleeve valve enters a sludge channel, the electric sleeve valve controls sludge discharge amount, and the reasonable height of the sludge liquid level in the sedimentation tank is finally controlled to be 0.6-1.0m, so that stable standard operation of the sedimentation tank is guaranteed, a high liquid level and a low liquid level can be set for alarm through a man-machine control interface, and accidents are prevented.
The touch screen is used for receiving instructions of operators, transmitting the received instructions to the PLC, displaying various corresponding information fed back by the PLC, the output end of the monitoring module is connected with the touch screen, the monitoring module can be used for displaying information such as a control mode, the height of the electric sleeve valve, the state of the proximity switch and load current, and the alarm module gives an alarm when an emergency occurs.
The working principle of the utility model is as follows:
step 1: the full-automatic sedimentation tank sludge discharge control system is a closed-loop control system, and the highest sludge level and the lowest sludge level of a sedimentation tank need to be set on a touch screen before equipment is started.
Description of the drawings: the minimum mud level of sedimentation tank refers to when the sensor detects certain mud level, and this mud level mud volume need not arrange mud and close electronic sleeve valve completely, and the maximum mud level of sedimentation tank refers when the sensor detects certain mud level, and this mud level mud volume almost reaches saturated condition, and needs open electronic sleeve valve completely. The range from the lowest mud level to the highest mud level of the sedimentation tank arranged here corresponds to the minimum to maximum opening degree of the electric sleeve valve.
Step 2: after receiving equipment start signal, arrange mud closed loop control system and start, the system is at first through the mud level meter collection sedimentation tank mud level this moment to the form of signal of telecommunication transmits to the PLC controller, later the PLC controller with this signal of telecommunication conversion digital signal, then through the conversion with this digital signal conversion 0-100 intermediate signal come with the aperture correspond, just can obtain the aperture that electronic sleeve valve needs this moment.
And step 3: the required opening degree cannot be directly used by an execution end, the required opening degree needs to be converted into a digital signal which can correspond to an electric signal, then the PLC converts the digital signal into the electric signal and sends the electric signal to the electric sleeve valve, and then the electric sleeve valve receives the electric signal and then is opened or closed to the required opening degree.
And 4, step 4: the closed loop of the system is realized by reading the opening of the electric sleeve valve in real time and correcting the deviation compared with the required opening, and the current opening is displayed on a touch screen, so that a set of dynamic balance closed loop system which enables the mud level of the sedimentation tank to float weakly is formed.
In conclusion, the sludge level monitoring device is reasonable in design and excellent in automation degree, and the sludge level of the sedimentation tank is monitored in real time by adopting the sludge level interface instrument, and signals are fed back to the field control cabinet and then transmitted to the central control room. The field control cabinet or the central control room pass through PLC controller or manual adjustment electrical control sleeve valve height, and the control mud discharge amount finally realizes the height of control sedimentation tank mud liquid level, guarantees the stable up-to-standard operation of sedimentation tank, and practicality is excellent, high-efficient and safety.
The above embodiments are merely illustrative of the technical concept and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the content of the present invention and implement the present invention, and not to limit the scope of the present invention, and all equivalent changes or modifications made according to the spirit of the present invention should be covered by the scope of the present invention.
Claims (8)
1. The utility model provides a novel mud control system is arranged to full-automatic sedimentation tank, including the sedimentation tank, the bottom of sedimentation tank sets up to the mud collection district, the mud pipe of output mud is installed in the mud collection district, a serial communication port, the electronic sleeve valve of control mud discharge flow is installed to the mud mouth of mud pipe, install the mud interface appearance of real-time supervision mud position in the sedimentation tank liquid, mud interface appearance feeds back monitoring signal to the PLC controller, the PLC controller is installed inside the on-the-spot switch board, install human-computer interaction interface on the switch board, human-computer interaction interface is connected to the PLC controller, the PLC controller is connected to electronic sleeve valve.
2. The novel full-automatic sedimentation tank sludge discharge control system according to claim 1, wherein the human-computer interaction interface is of a touch screen type.
3. The novel full-automatic sedimentation tank sludge discharge control system according to claim 1, wherein a monitoring module, an alarm module and an expansion module are respectively arranged inside the control cabinet.
4. The novel full-automatic sedimentation tank sludge discharge control system according to claim 1, wherein the PLC controller is Siemens S7-1200.
5. The novel sludge discharge control system for the full-automatic sedimentation tank as claimed in claim 1, wherein the sludge discharge pipe is made of PVC and has a diameter of 200 mm.
6. The novel sludge discharge control system of the full-automatic sedimentation tank as claimed in claim 1, wherein the normal height of the sludge liquid level in the sludge collection area is 0.6-1.0 m.
7. The system of claim 1, wherein the PLC transmits the sludge level to the central control room via the network module.
8. The system of claim 7, wherein the network module is a local area network, an ethernet network, or a wireless network.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122521470.0U CN216798844U (en) | 2021-10-20 | 2021-10-20 | Novel mud control system is arranged to full-automatic sedimentation tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122521470.0U CN216798844U (en) | 2021-10-20 | 2021-10-20 | Novel mud control system is arranged to full-automatic sedimentation tank |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216798844U true CN216798844U (en) | 2022-06-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122521470.0U Active CN216798844U (en) | 2021-10-20 | 2021-10-20 | Novel mud control system is arranged to full-automatic sedimentation tank |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216798844U (en) |
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2021
- 2021-10-20 CN CN202122521470.0U patent/CN216798844U/en active Active
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