Distributed control system (DCS) for sewage treatment

Abstract

The invention discloses a DCS (Distributed Control System) for sewage treatment, which comprises a water pipe assembly, a camera group, a controller group, an electromagnetic valve group, an RFID (Radio Frequency Identification Device) recognizer, a data processing module and a screen display operation table, and is characterized in that the water pipe assembly consists of a plurality of water outlet pipes which are sequentially connected in series with a plurality of sewage treatment sites; the camera set and the controller set transmit information to the data processing module through the RFID recognizer, and the data processing module is embedded in the screen display operation table. The camera group is composed of a plurality of cameras, each camera is installed in each sewage treatment site, the electromagnetic valve group is composed of a plurality of electromagnetic valves, and the controller group is composed of a controller I, a controller II, a controller III and a controller IV. The system can realize hierarchical control of sewage treatment and discharge, decentralized control of operation equipment in different sewage treatment sites, and real-time monitoring of the operation process, is fast in response and high in efficiency, and realizes unified monitoring and management of the sewage treatment process.

Description

Technical Field

[0001] The invention relates to the technical field of sewage treatment, in particular to a DCS distributed control system for sewage treatment. Background Art

[0002] Distributed control system is a new generation of instrument control system based on microprocessor, adopting the design principle of decentralized control function, centralized display operation, and taking into account the design principles of separation and autonomy and comprehensive coordination. Distributed control system is referred to as DCS, which is widely used in various industries such as power, metallurgy, petrochemical, etc.

[0003] Water pollution is a topic of long-term social concern. In order to make sewage meet the water quality requirements for discharge into a certain water body or reuse, sewage needs to be treated to achieve purification. The traditional chemical wastewater treatment process cannot achieve unified management and control, and cannot perform monitoring and recording functions. Therefore, a DCS distributed control system for sewage treatment is urgently needed. Summary of the invention

[0004] In view of the above-mentioned problems, the object of the present invention is to provide a DCS distributed control system for sewage treatment to achieve centralized management and decentralized control of sewage treatment.

[0005] The present invention provides the following technical solution: a DCS distributed control system for sewage treatment, comprising a water pipe assembly, a camera group, a controller group, a solenoid valve group, an RFID identifier, a data processing module, and a screen display console, wherein the water pipe assembly is composed of a plurality of water outlet pipes, which are sequentially connected in series to a plurality of sewage treatment sites, wherein the sewage treatment sites include a sewage pool, a cooling pool, a disinfection pool, a sedimentation pool, an ultrafiltration pool, a detection pool, and a water storage pool, wherein the camera group and the controller group transmit information to the data processing module through the RFID identifier, and the data processing module is embedded in the screen display console.

[0006] The camera group is composed of a plurality of cameras, each of which is installed in each sewage treatment site. The solenoid valve group is composed of a plurality of solenoid valves. Solenoid valve I is installed between the sewage pool and the cooling pool, solenoid valve II is installed between the cooling pool and the disinfection pool, solenoid valve III is installed between the disinfection pool and the sedimentation pool, solenoid valve IV is installed between the sedimentation pool and the ultrafiltration pool, solenoid valve V is installed between the ultrafiltration pool and the detection pool, and solenoid valve VI is installed between the detection pool and the water storage pool. The controller group is composed of controller I, controller II, controller III and controller IV. The controller I is embedded in the fan, and the fan is placed above the cooling pool. The controller II and controller III are respectively embedded in the extrusion nozzle and the stirring rod, which are respectively placed above the disinfection pool. The controller IV is embedded in the test probe, and the test probe is placed above the detection pool.

[0007] Furthermore, the number of the water outlet pipes is 6, and the water outlet pipes are made of stainless steel.

[0008] Furthermore, the solenoid valve I, solenoid valve II, solenoid valve III, solenoid valve IV, solenoid valve V, and solenoid valve VI are respectively connected to the screen display console through wires.

[0009] Furthermore, the camera group, the fan, the extrusion nozzle, the stirring rod, and the test probe are connected to the screen display console through wires.

[0010] Furthermore, the screen display console includes information recording, diagnosis alarm, remote access, and data statistics functions.

[0011] Compared with the prior art, the present invention has the following beneficial effects:

[0012] 1. The present invention can realize hierarchical control of sewage treatment discharge by arranging independent solenoid valves on the outlet pipes between different sewage treatment sites, adopt independent controllers to decentralizedly control the operating equipment of different sewage treatment sites, use camera groups to monitor the operating processes of different sewage treatment sites in real time, and realize the diagnostic alarm, data statistics and information recording functions of the screen display console through the data processing module.

[0013] 2. The camera group, controller group and solenoid valve group are respectively communicated and connected with the DCS control system, with fast response and high efficiency, realizing unified control of the sewage treatment process and facilitating monitoring and management. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 The present invention is a flow chart of a DCS distributed control system for sewage treatment provided in accordance with an embodiment of the present invention. DETAILED DESCRIPTION

[0015] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0016] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "connected", etc. should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0017] Example 1: Please refer to Figure 1 A DCS distributed control system for sewage treatment includes a water pipe assembly 7, a camera group 12, a controller group, a solenoid valve group, an RFID identifier 13, a data processing module 14, and a screen display console 15. The water pipe assembly 7 is composed of a plurality of water outlet pipes, which are sequentially connected in series to a plurality of sewage treatment sites. The sewage treatment sites include a sewage pool, a cooling pool, a disinfection pool, a sedimentation pool, an ultrafiltration pool, a detection pool, and a water storage pool. The camera group 12 and the controller group transmit information to the data processing module 14 through the RFID identifier 13, and the data processing module 14 is embedded in the screen display console 15.

[0018] The camera group 12 is composed of a plurality of cameras, each of which is installed in each sewage treatment site. The solenoid valve group is composed of a plurality of solenoid valves. Solenoid valve I1 is installed between the sewage pool and the cooling pool, solenoid valve II2 is installed between the cooling pool and the disinfection pool, solenoid valve III3 is installed between the disinfection pool and the sedimentation pool, solenoid valve IV4 is installed between the sedimentation pool and the ultrafiltration pool, solenoid valve V5 is installed between the ultrafiltration pool and the detection pool, and solenoid valve VI6 is installed between the detection pool and the water storage pool. The controller group is composed of controller I8, controller II9, controller III10 and controller IV11. The controller I8 is embedded in the fan, and the fan is placed above the cooling pool. The controller II9 and controller III10 are respectively embedded in the extrusion nozzle and the stirring rod, which are respectively placed above the disinfection pool. The controller IV11 is embedded in the test probe, and the test probe is placed above the detection pool.

[0019] Preferably, the water outlet pipe has 6 sections and is made of stainless steel.

[0020] Preferably, the solenoid valve I1, solenoid valve II2, solenoid valve III3, solenoid valve IV4, solenoid valve V5, and solenoid valve VI6 are respectively connected to the screen display console 15 through wires.

[0021] Preferably, the camera group 12, the fan, the extrusion nozzle, the stirring rod, and the test probe are connected to the screen display console 15 via wires.

[0022] Preferably, the screen display console 15 includes information recording, diagnosis alarm, remote access, and data statistics functions.

[0023] Working principle: under the control of the screen display console 15, the camera group 12 monitors the operation status of different sewage treatment sites. When the sewage pool 1 is full of sewage, the solenoid valve Ⅰ1 is opened, and the sewage flows into the cooling pool through the first outlet pipe. The controller Ⅰ8 is started, and the fan works to cool the sewage. After the cooling is completed, the solenoid valve Ⅰ1 and the controller Ⅰ8 are closed, and the solenoid valve Ⅱ2 is started. The sewage flows into the disinfection pool through the second outlet pipe. The controller Ⅱ9 is started, and the extruder nozzle sprays disinfectant into the disinfection pool. The controller Ⅲ10 is started, and the stirring rod is extended into the sewage mixed with the disinfectant to stir and mix for disinfection. After the disinfection is completed, the solenoid valve Ⅱ2 and the controller are closed. Controller II9 and controller III10, start solenoid valve III3, the disinfected sewage flows into the sedimentation tank through the third outlet pipe, close solenoid valve III3, start solenoid valve IV4, the precipitated sewage flows into the ultrafiltration tank through the fourth outlet pipe, after adsorption of activated carbon in the ultrafiltration tank, close solenoid valve IV4, start solenoid valve V5, the ultrafiltered sewage flows into the detection tank through the fifth outlet pipe, start controller IV11, the test probe goes deep into the sewage for detection, after the detection is completed, close solenoid valve V5 and controller IV11, start solenoid valve VI6, the detected sewage flows into the storage tank through the sixth outlet pipe for reuse or to meet the discharge standards.

[0024] It will be apparent to those skilled in the art that the invention is not limited to the details of the exemplary embodiments described above and that the invention can be implemented in other specific forms without departing from the spirit or essential features of the invention. Therefore, the embodiments should be considered exemplary and non-limiting in all respects, and the scope of the invention is defined by the appended claims rather than the foregoing description, and it is intended that all variations falling within the meaning and scope of the equivalent elements of the claims be included in the invention. Any reference numeral in a claim should not be considered as limiting the claim to which it relates.

Claims

1. A DCS distributed control system for sewage treatment, characterized by: It includes a water pipe assembly 7, a camera group 12, a controller group, a solenoid valve group, an RFID identifier 13, a data processing module 14, and a screen display console 15. The water pipe assembly 7 is composed of a plurality of water outlet pipes, which are connected in series with a plurality of sewage treatment sites. The sewage treatment sites include a sewage pool, a cooling pool, a disinfection pool, a sedimentation pool, an ultrafiltration pool, a detection pool, and a water storage pool. The camera group 12 and the controller group transmit information to the data processing module 14 through the RFID identifier 13, and the data processing module 14 is embedded in the screen display console 15; The camera group 12 is composed of a plurality of cameras, each of which is installed in each sewage treatment site. The solenoid valve group is composed of a plurality of solenoid valves. Solenoid valve I1 is installed between the sewage pool and the cooling pool, solenoid valve II2 is installed between the cooling pool and the disinfection pool, solenoid valve III3 is installed between the disinfection pool and the sedimentation pool, solenoid valve IV4 is installed between the sedimentation pool and the ultrafiltration pool, solenoid valve V5 is installed between the ultrafiltration pool and the detection pool, and solenoid valve VI6 is installed between the detection pool and the water storage pool. The controller group is composed of controller I8, controller II9, controller III10 and controller IV11. The controller I8 is embedded in the fan, and the fan is placed above the cooling pool. The controller II9 and controller III10 are respectively embedded in the extrusion nozzle and the stirring rod, which are respectively placed above the disinfection pool. The controller IV11 is embedded in the test probe, and the test probe is placed above the detection pool.

2. A DCS distributed control system for sewage treatment according to claim 1, characterized in that: The number of the water outlet pipes is 6, and the water outlet pipes are made of stainless steel.

3. A DCS distributed control system for sewage treatment according to claim 1, characterized in that: The solenoid valve I1, the solenoid valve II2, the solenoid valve III3, the solenoid valve IV4, the solenoid valve V5 and the solenoid valve VI6 are connected to the screen display console 15 through wires respectively.

4. A DCS distributed control system for sewage treatment according to claim 1, characterized in that: The camera group 12, the fan, the extrusion nozzle, the stirring rod, and the test probe are connected to the screen display console 15 through wires.

5. A DCS distributed control system for sewage treatment according to claim 1 or 3, characterized in that: The screen display console 15 includes information recording, diagnosis alarm, remote access, and data statistics functions.

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