CN204237630U - A kind of waste water based on PLC becomes pure water device - Google Patents
A kind of waste water based on PLC becomes pure water device Download PDFInfo
- Publication number
- CN204237630U CN204237630U CN201420539752.0U CN201420539752U CN204237630U CN 204237630 U CN204237630 U CN 204237630U CN 201420539752 U CN201420539752 U CN 201420539752U CN 204237630 U CN204237630 U CN 204237630U
- Authority
- CN
- China
- Prior art keywords
- waste water
- treatment unit
- plc
- wastewater treatment
- pure water
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Abstract
The utility model relates to wireless communication technology and field of computer technology, particularly relates to a kind of waste water based on PLC and becomes pure water device.The technical problem solved is that the energy consumption of existing wastewater treatment equipment is too high, and can not become after a large amount of wastewater treatments can be for people to use clean water.A kind of waste water controlled based on PLC becomes the treatment unit of pure water, comprise: PLC control system, control primary wastewater treatment unit, secondary waste water treatment unit process waste water, and described PLC control system connects external computer device by Profibus bus.The beneficial effect produced is: control wastewater treatment equipment by PLC system, achieve the integrated automation of production process, and system development cycle is short, field adjustable is easy; In addition, can online modification program, change control program and do not tear hardware open.
Description
Technical field
The utility model relates to wireless communication technology and field of computer technology, particularly relates to a kind of waste water based on PLC and becomes pure water device.
Background technology
Waste water refers to the general name of water and the runoff rainwater of discharging in resident's active procedure.It comprises other useless water such as sanitary sewage, trade effluent and just rain footpath inflow sewer, refers generally to the water not utilizing or do not have utility value.The harm of waste water is very large, containing a large amount of solid pollutant, organic pollutant, toxic pollutant etc. in waste water.In actual life, the largest source place of waste water is trade effluent.Present wastewater treatment equipment is all processed by biology, physics, chemistry three kinds of methods, and the waste water after process can not directly be applied, but discharges.
So waste water become this invention technology of pure water for people production, life just had great significance.
Industry control industry now, under enterprise automation, digitizing, intelligentized requirement, fieldbus arises at the historic moment and meets the demand of industry.And in numerous field bus techniques, Profibus bus is shown one's talent, at the scene in bussing technique field, Profibus ensures because have stable international standard EN50170 and becomes the leader of world market, also becomes the fieldbus national standard that China is unique at present simultaneously.
Summary of the invention
The technical problems to be solved in the utility model is: the energy consumption of existing wastewater treatment equipment is too high, and can not become after a large amount of wastewater treatments can be for people to use clean water.
The purpose of this utility model proposes the treatment unit that a kind of waste water controlled based on PLC becomes pure water, and this device is mainly by PLC control system, and Waste Water Treatment composition; The system and device controlled by PLC, effectively can control time and the discharge of wastewater treatment, under the prerequisite improved traditional waste water treatment process, uses PLC again to process the waste water processed, to reach the object of relative pure water.This object realizes in the following way: a kind of waste water based on PLC becomes pure water device, comprising: PLC control system, primary wastewater treatment unit, secondary waste water treatment unit and external computer device; One or more in described primary wastewater treatment unit employing Physical, biological process, chemical method carry out preliminary process to waste water; Described secondary waste water treatment unit adopts reverse osmosis treatment device to carry out secondary treatment to waste water; Described primary wastewater treatment unit and secondary waste water treatment unit all control by described PLC control system, and the waste water after the process of described primary wastewater treatment unit sends into described secondary waste water treatment unit; Described PLC control system connects described external computer device.Control primary wastewater treatment unit by PLC control system and preliminary treatment is carried out to waste water, then carry out secondary treatment by secondary waste water treatment unit, process the sewage after secondary treatment available.
Further, described primary wastewater treatment unit comprises: the preliminary sedimentation device, sludge reflux treatment unit and other solid sediment devices that are connected successively.
Further, described preliminary sedimentation device comprises grid connected successively, preliminary sedimentation tank, aeration tank and neutralization reaction pond.
Further, described sludge reflux treatment unit comprises the sludge refluxing apparatus and sludge treatment equipment that are connected successively, and described grid, preliminary sedimentation tank, aeration tank all connect described sludge refluxing apparatus.
Further, described solid sediment device comprises the second pond, flocculation sedimentation tank and the high-efficiency fiber filter that are connected in proper order, and described second pond connects described sludge refluxing apparatus.
Further, described secondary waste water treatment unit comprises filtration unit, high-pressure pump, and described filtration unit is connected dialysis machine with high-pressure pump by circulating line.
Further, described secondary waste water treatment unit also comprises a two stage pump for regulating pressure of supply water be connected with circulating line.
Further, described PLC control system is connected by Profibus bus with external computer device.
The beneficial effects of the utility model are: (1) controls wastewater treatment equipment by PLC system, and PLC system forms flexibly, and expansion easily, is its speciality with digital output modul; The pid loop that also can carry out successive processes controls; And complicated Controlling System can be formed with upper computer, as DDC and DCS etc., achieve the integrated automation of production process.(2) PLC is easy to use, and programming is simple, and can adopt the programming languages such as simple and clear ladder diagram, logical diagram or statement list, and without the need to computer literacy, therefore system development cycle is short, field adjustable is easy.In addition, can online modification program, change control program and do not tear hardware open.(3) PLC can adapt to various severe running environment, and immunity from interference is strong, and reliability is strong, far above other various types.
Accompanying drawing explanation
Fig. 1 is the structural representation of native system;
Fig. 2 is the principle of design figure of PLC;
Fig. 3 is Profibus network chart
Fig. 4 is waste water preliminary treatment schema;
Fig. 5 is waste water second-stage treatment schema.
Embodiment
As shown in Figure 1, the utility model controls whole system by PLC.In the process of wastewater treatment, the time of PLC to its every technique controls.Waste water is after primary wastewater treatment unit processes for the first time, send into secondary waste water treatment unit by pipeline and carry out second-stage treatment, waste water is made to become relatively pure water, in the process, PLC controls by controlling the rotating speed of frequency transformer to its high-pressure pump, pending water is transported in circulating line by high-pressure pump and carries out two-pass reverse osmosis process for dialysis machine, circulating line connects two stage pump, regulate pressure of supply water by the variable frequency control of two stage pump, thus reach the object of control pressure and discharge.Once pressure or discharge exceed the boundary of setting, PLC will send signal, and prompt system is abnormal.Data in PLC pass through Profibus bus transfer to external computer device.
The core of whole technology is exactly that the waste water processed is become relative pure water.Mainly utilize PLC controlling programmer and two-pass reverse osmosis technology to realize, the operating process of this equipment is as follows:
First, required equipment is all ready to, takes off each equipment as the relevant knowledge of the principle of PLC and using method, Profibus bus and the flow process of osmosis process, the use principle of frequency transformer etc.
Then, all ready equipment is all put up, completes the design to each funtion part, and the knowledge of grasp can be used to adjust the use of relevant device.
Finally, get trade effluent a little, through above-mentioned Waste Water Treatment, then the waste water of the process obtained is operated according to the scheme becoming relative pure water.All make use of PLC and Profibus bus to control in this process, and carry out with external computer device linking, receiving and send data.
Be described in detail with regard to modules below:
As shown in Figure 2, the principle of work of PLC is as follows:
The outside general-purpose equipment of programmable controller PLC is primarily of compositions such as programmer, computer, printers.The software system of PLC inside are divided into system program and user program two parts.Programmable logic controller is a kind of based on microprocessor, with command memory and input/output interface, combines again the industrial control device of new generation of computer technology, automatic control technology and modern communication technology.PLC is provided with the function of data input and data output instruction, can link with other peripheral equipments such as computers.PLC is also provided with simultaneously and reports to the police and the function of operation information display, and it is automatically out of service and send guard signal when system occurs abnormal, can protection & restoration scene, and carries out failure monitoring by software.
As shown in Figure 3, Profibus bus design network chart Principle and application occasion is as follows:
Profibus bus is a kind of internationalization, open, the standard for Fieldbus that do not rely on device fabrication business, is widely used in automated manufacturing, process industry automatization and the automatization of the other field such as building, traffic power.In data acquisition control process, require to observe data in remote control room, and send real-time control signal to corresponding operating device, so real-time communication that is on-the-spot and remote computer becomes the basis of whole system.Profibus can realize multiple spot, two-way communications capabilities, and add driving force and the conflict protectiveness of transmitter, what extend bus touches scope altogether simultaneously.When it adopts four lines to connect, just point-to-points communication can only be realized.
As shown in Figure 4, the design of primary wastewater treatment unit wastewater treatment process is as follows:
Waste water treatment and integral considers the factors such as investment, running cost, treatment effect, and it is physical treatment, biological treatment and chemical treatment that general process can be divided three classes.Can not reach emission standard after physical treatment, biological treatment mainly to be removed in waste water in colloid and the organic pollution materials of dissolved state.But the waste water in general factory uses biochemical process to process.
As described in Figure 5, secondary waste water treatment unit wastewater treatment process is as follows:
Before the processing scheme carrying out becoming pure water designs, need first to analyze the impurity and micro-type that also likely contain in the waste water processed.Common impurity has: suspended matter, comprises mineral substance, as earth and sand etc.; Organic suspended matter, as plant remains, bacterium etc.; Silicone substance, as silicon, iron etc.; Some are also had to be difficult to the material dissolved.In addition, in the design, also there is requirement for water source, require that water source can ensure continuous water supply, stable water pressure.Consider water source water path tube and pressure of supply water, water-supply line is installed total penstock and tensimeter, so that can grasp in time water supply situation.
The design is first to the filtration repeatedly that the waste water processed carries out again, filter out some solid particulate matters, then two-pass reverse osmosis process is carried out to the waste water processed, the water for dialysis obtained first is stored in pure water tank, be transported to for dialysis machine in circulating line by high-pressure pump again, in circulating line, unspent water for dialysis is back in pure water tank.By regulating pressure of supply water to the variable frequency control of two stage pump in this process, by the use reverse-osmosis treated moved in circles, the liquid of two kinds of different concns, will be separated by semi-permeable membranes, solute in low-concentration liquid will move to high density side, if apply pressure in high density side, solute will shift to lower concentration side from high density side.This design process of circulation like this, will obtain relative pure water.
Claims (5)
1. the waste water based on PLC becomes a pure water device, it is characterized in that comprising: PLC control system, primary wastewater treatment unit, secondary waste water treatment unit and external computer device;
One or more in described primary wastewater treatment unit employing Physical, biological process, chemical method carry out preliminary process to waste water; Described primary wastewater treatment unit comprises the preliminary sedimentation device, sludge reflux treatment unit and other solid sediment devices that are connected successively; Described preliminary sedimentation device comprises grid connected successively, preliminary sedimentation tank, aeration tank and neutralization reaction pond; Described sludge reflux treatment unit comprises the sludge refluxing apparatus and sludge treatment equipment that are connected successively, and described grid, preliminary sedimentation tank, aeration tank all connect described sludge refluxing apparatus;
Described secondary waste water treatment unit adopts reverse osmosis treatment device to carry out secondary treatment to waste water;
Described primary wastewater treatment unit and secondary waste water treatment unit all control by described PLC control system, and the waste water after the process of described primary wastewater treatment unit sends into described secondary waste water treatment unit;
Described PLC control system connects described external computer device.
2. the waste water based on PLC according to claim 1 becomes pure water device, it is characterized in that: described solid sediment device comprises the second pond, flocculation sedimentation tank and the high-efficiency fiber filter that are connected in proper order, and described second pond connects described sludge refluxing apparatus.
3. the waste water based on PLC according to claim 1 becomes pure water device, it is characterized in that: described secondary waste water treatment unit comprises filtration unit, high-pressure pump, and described filtration unit is connected dialysis machine with high-pressure pump by circulating line.
4. the waste water based on PLC according to claim 3 becomes pure water device, it is characterized in that: described secondary waste water treatment unit also comprises a two stage pump for regulating pressure of supply water be connected with circulating line.
5. the waste water based on PLC according to claim 1 becomes pure water device, it is characterized in that: described PLC control system is connected by Profibus bus with external computer device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420539752.0U CN204237630U (en) | 2014-09-19 | 2014-09-19 | A kind of waste water based on PLC becomes pure water device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420539752.0U CN204237630U (en) | 2014-09-19 | 2014-09-19 | A kind of waste water based on PLC becomes pure water device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204237630U true CN204237630U (en) | 2015-04-01 |
Family
ID=52767147
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420539752.0U Expired - Fee Related CN204237630U (en) | 2014-09-19 | 2014-09-19 | A kind of waste water based on PLC becomes pure water device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204237630U (en) |
-
2014
- 2014-09-19 CN CN201420539752.0U patent/CN204237630U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202968311U (en) | Water treatment system | |
| CN200951966Y (en) | Intelligent water treatment system automatic controlling device | |
| CN104341054B (en) | Realize Treated sewage reusing intelligent integral equipment and its application of sewage zero-discharge | |
| CN201762138U (en) | Photocatalysis treatment reaction control system of papermaking sewage | |
| CN204237630U (en) | A kind of waste water based on PLC becomes pure water device | |
| CN206127077U (en) | Effluent disposal system with PLC control structure | |
| CN103592910A (en) | Sewage treatment control system based on PLC | |
| CN202729881U (en) | Automatic monitoring system for activated sludge treatment of papermaking sewage | |
| CN203402990U (en) | Smart Internet of Things wastewater treatment device | |
| CN204790489U (en) | Distributing type sewage treatment system | |
| CN203054582U (en) | Automatic control system for landfill leachate processing station | |
| CN206970418U (en) | One kind circulation Treated sewage reusing device | |
| CN201381256Y (en) | Unattended drinking water purifying equipment | |
| CN204939037U (en) | A kind of clustered aggregates of periosteum process electroplating wastewater | |
| CN205821099U (en) | A kind of sewage disposal system being applicable to food factory | |
| CN102863077A (en) | Automatic monitoring system for treatment of papermaking sewage with activated sludge process and control method thereof | |
| CN205721251U (en) | Surface aeration equipment Digitizing And Control Unit | |
| CN219885878U (en) | Efficient coal-containing wastewater treatment integrated device | |
| CN204550346U (en) | Can the waste disposal plant of safe operation | |
| CN204940444U (en) | A kind of household sewage process reutilizing device | |
| CN203668104U (en) | Double-tank aeration control system for SBR (sequencing batch reactor) sewage treatment | |
| CN205170597U (en) | Intelligent sewage treatment system | |
| CN205313191U (en) | Distributed sewage treatment system in intelligent rural area | |
| CN203382599U (en) | Wallpaper production workshop wastewater recycling system | |
| CN108585353A (en) | A kind of sewage disposal system and its working method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150401 Termination date: 20170919 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |