CN201562157U - Automatic control system of water treatment station - Google Patents
Automatic control system of water treatment station Download PDFInfo
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- CN201562157U CN201562157U CN200920075020XU CN200920075020U CN201562157U CN 201562157 U CN201562157 U CN 201562157U CN 200920075020X U CN200920075020X U CN 200920075020XU CN 200920075020 U CN200920075020 U CN 200920075020U CN 201562157 U CN201562157 U CN 201562157U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
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Abstract
An automatic control system of water treatment station comprises the following water treatment devices: a raw water pump, a filtering device which is communicated with the raw water pump, a one-stage desalting device which is communicated with the filtering device, a mixed bed which is communicated with the one-stage desalting device, and an output water tank which is connected with the mixed bed. The automatic control system of water treatment station further comprises the following detectors equipped on the water treatment devices: a pressure difference detector, a desalting conductivity gauge, a mixed bed conductivity gauge and a liquid level sensor. The detectors and the water treatment devices are respectively connected with the corresponding input/output interfaces of a programmable logic controller (PLC). Automatic real-time control for operation state of devices of water treatment station is realized and the operation of the water treatment devices is regulated through the programmable logic controller. The automation level of the water treatment station is effectively improved and the operation personnel can be reduced. Furthermore the operation state of the water treatment station can be correctly and visually reflected through an operation station computer which is connected with the programmable logic controller. The monitoring and operation are facilitated.
Description
Technical field
The utility model relates to a kind of automatic control system, relates in particular to a kind of automatic control system that is used for water treatment station.
Background technology
Industrialization and development of modernization cause water pollution problems serious day by day, and river, river, lake and underground water are the main sources of daily production of people and domestic water.Though before use, water factory can carry out purified treatment to source water, and these water still can't satisfy the needs of some production field, as: boiler feed water etc.
The water treatment mode of using realizes the water purification processing by the system that a plurality of identical or different devices in series form at present.As: under the driving of differential water pressures, current are purified water by steps such as filtering membrane, activated charcoal, Ion Exchange Medium or reverse osmosis membranes successively, also claim deionized water.But the operation of these equipment usually needs more artificial intervention, and automatization level is lower, makes water treatment quality control difficulty.
Summary of the invention
The purpose of this utility model is to provide a kind of water treatment station automatic control system, and this control system can effectively improve the automatization level of water treatment, reduces the operations staff, saves water and chemicals resource, improves the water treatment quality.
In order to achieve the above object, technical solution adopted in the utility model is:
A kind of water treatment station automatic control system is provided, comprise raw water pump, the filter plant that is connected with raw water pump, the one-level demineralization plant that is connected with filter plant, the mixed bed that is connected with the one-level demineralization plant, the output water tank with mixed bed is connected also comprises: programmable logic controller (PLC), workstation computer, be installed in the pressure difference detection device in the filter plant, be installed in the desalination conductivity meter in the one-level demineralization plant, be installed in the mixed bed conductivity meter that mixes in the bed, be installed in the liquid level sensor in the output water tank, described workstation computer, raw water pump, filter plant, the one-level demineralization plant, mix bed, pressure difference detection device, desalination conductivity meter, mix the bed conductivity meter, liquid level sensor is connected with programmable logic controller (PLC) respectively.
Described programmable logic controller (PLC) comprises central processing unit, the digital quantity input module that is connected with central processing unit respectively, the digital quantity output module, the analog quantity load module, described workstation computer is connected with the digital quantity output module with digital quantity input module respectively, described pressure difference detection device, the desalination conductivity meter, mixing the bed conductivity meter is connected with the analog quantity load module respectively with liquid level sensor, described raw water pump, filter plant, the one-level demineralization plant is connected with the digital quantity output module respectively with mixed bed.
Described programmable logic controller (PLC) also comprises the bus network module that is connected with central processing unit.
The beneficial effects of the utility model are:
As above-mentioned structure, the utility model water treatment station automatic control system is passed through liquid level sensor, the desalination conductivity meter, mix the bed conductivity meter, the operation conditions of checkout equipments such as pressure difference detection device monitoring water treatment station equipment, and the signal that the records analog quantity load module by programmable logic controller (PLC) transferred to central processing unit, central processing unit is controlled in real time and is adjusted corresponding water treatment facilities according to the ruuning situation that monitors, and control signal is transferred to raw water pump respectively by the digital quantity output module, filter plant, one-level demineralization plant and mixed bed, the start and stop of opertaing device.Can realize according to the operation conditions of water treatment station equipment corresponding water treatment facilities being carried out real-time control and adjustment automatically, effectively improve the automatization level of water treatment station, reduce the operations staff, save water and chemicals resource, improve the water treatment quality.
As above-mentioned structure, the workstation computer of the utility model water treatment station automatic control system is connected with the digital quantity output module with the digital quantity input module of programmable logic controller (PLC) respectively.Programmable logic controller (PLC) is transferred to workstation computer by every operational factor that the digital quantity output module will monitor on the one hand, by the running status and all kinds of important parameter of workstation computer Real time dynamic display system.The staff can design and adjust display interface according to concerned countries standard, ministerial standard and site operation personnel's factors such as custom, thus more accurate, directly perceived and attractive in appearance on workstation computer the running status of major equipment in the reflection system.Workstation computer can directly be input to programmable logic controller (PLC) with steering order or device parameter by digital quantity input module on the other hand, and the operation by corresponding digital amount/analog output module opertaing device, system can be switching freely between control and manual control automatically, so that freely tackle the water treatment station automatic control system various emergency situations that may occur in service.
As above-mentioned structure, the programmable logic controller (PLC) of the utility model water treatment station automatic control system can installation bus net module, realize exchanges data and communication between a plurality of programmable logic controller (PLC)s by the bus network module, effectively improve control and management level a plurality of water treatment stations.
Description of drawings
Fig. 1 is the structural representation of the utility model water treatment station automatic control system one embodiment;
Fig. 2 is the structural representation of filter plant one embodiment in the utility model water treatment station automatic control system;
Fig. 3 is the structural representation of one-level demineralization plant one embodiment in the utility model water treatment station automatic control system.
Embodiment
Describe the technical solution of the utility model in detail below in conjunction with drawings and Examples.The utility model embodiment is only unrestricted in order to the explanation the technical solution of the utility model, although the utility model is had been described in detail with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, can make amendment or be equal to replacement the technical scheme of utility model, and not breaking away from the spirit and scope of technical solutions of the utility model, it all should be encompassed in the claim scope of the present utility model.
Fig. 1 is the structural representation of the utility model water treatment station automatic control system one embodiment.As shown in Figure 1, it comprises: raw water pump 1, the filter plant 8 that is connected with raw water pump 1, the one-level demineralization plant 7 that is connected with filter plant 8, the mixed bed 6 that is connected with one-level demineralization plant 7, with mixed bed 6 output water tanks 5 that are connected, also comprise programmable logic controller (PLC) 2, workstation computer 4, be installed in the pressure difference detection device 8011 in the filter plant 8,8021, be installed in the desalination conductivity meter 7021 in the one-level demineralization plant 7, be installed in the mixed bed conductivity meter 601 that mixes in the bed 6, be installed in the liquid level sensor 501 in the output water tank 5, described raw water pump 1, filter plant 8, one-level demineralization plant 7 mixes bed 6, pressure difference detection device 8011,8021, desalination conductivity meter 7021 mixes bed conductivity meter 601, and liquid level sensor 501 all is connected with programmable logic controller (PLC) 2 respectively.
Described programmable logic controller (PLC) is connected with described workstation computer 4 by Ethernet 3.
In the present embodiment, described workstation computer 4 adopts and grinds magnificent 586 industrial computers, and software adopts IFIX software.Grinding magnificent 586 industrial computers is current more popular PC bus industrial control computers, has characteristics such as antidusting dust, shock resistance vibrations, proof voltage impact, and the mean free error time surpasses 50,000 h.IFIX is functional integrity Industrial Automation Software such as a kind of execution data acquisition and control, warning, graph data demonstration.Present version moves under Windows2000 or WindowsXP environment, has adopted graphic user interface, corresponding its inner graphics process be based on the 3rd generation graph technology.IFIX software is the modular software systems of high precision, mainly comprises as lower module: (1) system configuration module; (2) network management module; (3) safeguard protection administration module; (4) real time database management module; (5) data scanning, warning and control module; (6) alarming and managing module; (7) graphics module; (8) historical trend analysis module; (9) display module; (10) statistical treatment control module.
Described programmable logic controller (PLC) 2 further comprises central processing unit 201, respectively the digital quantity input module 204 that is connected with central processing unit 201, digital quantity output module 205 and analog quantity load module 202.In the present embodiment, described workstation computer 4 is connected with digital quantity output module 205 with digital quantity input module 204 respectively by Ethernet 8, described pressure difference detection device 8011,8021, desalination conductivity meter 7021, mix bed conductivity meter 601 and be connected with analog quantity load module 202 respectively, described raw water pump 1, filter plant 8, one-level demineralization plant 7 is connected with digital quantity output module 205 respectively with mixed bed 6.
In the present embodiment, described programmable logic controller (PLC) 2 adopts Siemens S7-300 programmable logic controller (PLC).During Siemens's S7-300 programmable logic controller (PLC) is applicable to, small-scale robotization control, standardized hardware technology, the programmable device that the 26S Proteasome Structure and Function of modular is stronger makes it have following characteristics in actual applications: (1) is assembled and is connected simply, uses easily; (2) adopt the plug-in type template, change easily; (3) by various input and output voltage, and fine graded to input point, output point and storer, make this device have stronger configuration adaptive faculty; (4) in all standard compliant application, do not need the cooling device that ventilates; (5) structurally carried out piecemeal because of program, and the application of standard program piece, make programing work simplify greatly; (6) the bus network module that oneself has by it can be carried out communication with other automation equipments and computing machine easily.The central processing unit stores device max cap. of S7-300 programmable logic controller (PLC) can reach 384kbit, has 128 timers, timing range 0.01～9990s; 128 counters, counting region 0～999; It is 4096 that maximum input and output are counted, and wherein the analog quantity input and output are counted and are 256 to the maximum.
In addition, programmable logic controller (PLC) 2 comprises bus network module 203 in the present embodiment, described bus network module adopts the bus network of 3SINECL2-DP local area network, and SINECL2 is a communication system, and it is linked to be network to SIMATIC series programmable logic controller (PLC) and workstation computer.L2 is a token-bus network, and Network Transfer Media is twisted-pair feeder or optical cable.Each water treatment station is linked on the bus network by bus contact or Bussing connector spare.Every section net can be hung 32 stations, and each section net can connect by repeater, if use repeater, bus network can be hung 125 stations.L2 network peak transfer rate is 12Mbps, if use CP5431 and CP5412 (A2) Communication processor, then message transmission rate is 1.5Mbps, and every section network maximum transmission distance is 1.5km.
Fig. 2 is the structural representation of filter plant one embodiment in the utility model water treatment station automatic control system, as shown in Figure 2, described filter plant 8 further comprises the mechanical filter 801 that is connected with raw water pump 1, the active carbon filter 802 that is connected with mechanical filter 801, described mechanical filter 801 and active carbon filter 802 are equipped with pressure difference detection device 8011,8021 at water inlet and water delivering orifice respectively.
Fig. 3 is the structural representation of one-level demineralization plant one embodiment in the utility model water treatment station automatic control system.As shown in Figure 3, described one-level demineralization plant 7 further comprises the sun bed 701 that is connected with filter plant 8, the cloudy bed 702 that is connected with sun bed 701, with cloudy bed 702 carbon dioxide cleaners that are connected 703, the water delivering orifice of described carbon dioxide cleaner 703 is connected with mixed bed 6, and described desalination conductivity meter 7021 is installed in the water delivering orifice of cloudy bed 702.
During the water treatment station operation, raw water pump 1 is transported to raw water the filter plant 8 that is connected with raw water pump 1, filter by mechanical filter 801 in the filter plant 8 and active carbon filter 802 successively, water after filtering is delivered to activated charcoal crosses the mixed bed 6 that is connected with one-level demineralization plant 7, by the sun bed 701 in the one-level demineralization plant 7, cloudy bed 702 and carbon dioxide cleaner 703 are respectively to the kation in the water, negative ion and carbon-containing impurities carry out preliminary desalination to be handled, enter mixed bed 6 again and carry out further desalination and water treatment, and be stored in output water tank 5, be transported to when needing in its corresponding water utilization equipment.
Existing integrated structure and embodiment make brief description to the major control process of automatic control system.
1. the start and stop of filter plant and backwash control:
2. the regeneration of one-level demineralization plant control:
One-level demineralization plant 7 is by sun bed 701, cloudy bed 702 and carbon dioxide cleaner 703 carry out the desalination processing to the water of equipment 1 filtration after filtration respectively, the conductivity of 7021 pairs of cloudy bed 702 outlets of desalination conductivity meter detects in real time and is transferred to programmable logic controller (PLC) 2 by analog quantity load module 202, when desalination conductivity meter 7021 records cloudy conductivity that exports greater than setting value, illustrate that then ionic impurity remaining in the water is many, programmable logic controller (PLC) 2 sends regenerated signal by digital quantity output module 205 and gives one-level demineralization plant 7, one-level demineralization plant 7 will enter reproducer, with the ability of further raising one-level demineralization plant 7 filter ions impurity.After regenerative process is finished, the conductivity that records when desalination conductivity meter 7021 qualified (being lower than setting value), then programmable logic controller (PLC) 2 is controlled one-level demineralization plants 7 normal operation input again.
3. mix bed regeneration control and and the one-level demineralization plant between interlocked control:
After conductivity that desalination conductivity meter 7021 records is qualified, programmable logic controller (PLC) 2 sends signal enabling and mixes bed 6, water through one-level demineralization plant 7 first one-step desaltings is further cleaned and handles, a conductivity of 6 outlets of mixing 601 pairs of mixed bed conductivity meters detect in real time and are transferred to programmable logic controller (PLC) 2 by analog quantity load module 202, when mixed bed conductivity meter 601 records mixed 6 conductivity that export greater than setting value, then programmable logic controller (PLC) 2 sends regenerated signal by digital quantity output module 205 and gives mixed bed 6, mixes bed 6 and enters reproducer.If it is still defective that the conductivity of bed outlet is mixed in regeneration certain hour (getting in the present embodiment 5 minutes) back, then programmable logic controller (PLC) 2 starts the reproducer of one-level demineralization plant 7 simultaneously, until mix bed conductivity meter 601 detect the conductivity of mixing bed 6 qualified after, programmable logic controller (PLC) 2 controls mix bed 6 and one-level demineralization plant 7 stops regeneration, normal operation input again.
4. the water level control of output water tank:
Water through overmulling bed cleaning treatment is stored in output water tank 5, and output in the equipment that needs water, liquid level sensor 501 is installed in output in the water tank 5, the water storage liquid level of output water tank 5 is detected and is transferred to programmable logic controller (PLC) 2 by analog quantity load module 202.When liquid level sensor 501 detected liquid levels are higher than the higher limit of the setting in the programmable logic controller (PLC) 2, programmable logic controller (PLC) 2 cuts out raw water pump 1, filter plant 8, one-level demineralization plant 7 successively and mixes bed 6 according to predefined time sequencing, the water supply of output water tank 5 is interrupted, and liquid level reduces; When liquid level sensor 501 detected liquid levels are lower than the lower limit of the setting in the programmable logic controller (PLC) 2, programmable logic controller (PLC) 2 starts raw water pump 1, filter plant 8, one-level demineralization plant 7 successively and mixes bed 6 according to predefined time sequencing again, moisturizing in output water tank 5 again.
Claims (6)
1. water treatment station automatic control system, comprise raw water pump, the filter plant that is connected with raw water pump, the one-level demineralization plant that is connected with filter plant, the mixed bed that is connected with the one-level demineralization plant, the output water tank with mixed bed is connected is characterized in that comprising programmable logic controller (PLC), workstation computer, be installed in the pressure difference detection device in the filter plant, be installed in the desalination conductivity meter in the one-level demineralization plant, be installed in the mixed bed conductivity meter that mixes in the bed, be installed in the liquid level sensor in the output water tank, described workstation computer, raw water pump, filter plant, the one-level demineralization plant, mix bed, pressure difference detection device, desalination conductivity meter, mix the bed conductivity meter, liquid level sensor is connected with programmable logic controller (PLC) respectively.
2. water treatment station automatic control system as claimed in claim 1, it is characterized in that described programmable logic controller (PLC) comprises central processing unit, the digital quantity input module that is connected with central processing unit respectively, the digital quantity output module, the analog quantity load module, described workstation computer is connected with the digital quantity output module with digital quantity input module respectively, described pressure difference detection device, the desalination conductivity meter, mixing the bed conductivity meter is connected with the analog quantity load module respectively with liquid level sensor, described raw water pump, filter plant, the one-level demineralization plant is connected with the digital quantity output module respectively with mixed bed.
3. water treatment station automatic control system as claimed in claim 2 is characterized in that described programmable logic controller (PLC) also comprises the bus network module that is connected with central processing unit.
4. water treatment station automatic control system as claimed in claim 1, it is characterized in that described filter plant comprises the mechanical filter that is connected with raw water pump, the active carbon filter that is connected with mechanical filter, described mechanical filter and active carbon filter are equipped with the pressure difference detection device at water inlet and water delivering orifice respectively.
5. water treatment station automatic control system as claimed in claim 1, it is characterized in that described one-level demineralization plant comprises the sun bed that is connected with filter plant, the cloudy bed that is connected with the sun bed, the carbon dioxide cleaner that is connected with cloudy bed, the water delivering orifice of described carbon dioxide cleaner is connected with mixed bed, and described desalination conductivity meter is installed in the water delivering orifice of cloudy bed.
6. water treatment station automatic control system as claimed in claim 1 is characterized in that described programmable logic controller (PLC) is connected with described workstation computer by Ethernet.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920075020XU CN201562157U (en) | 2009-07-21 | 2009-07-21 | Automatic control system of water treatment station |
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| CN200920075020XU CN201562157U (en) | 2009-07-21 | 2009-07-21 | Automatic control system of water treatment station |
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| CN201562157U true CN201562157U (en) | 2010-08-25 |
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| CN200920075020XU Expired - Fee Related CN201562157U (en) | 2009-07-21 | 2009-07-21 | Automatic control system of water treatment station |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102914999A (en) * | 2011-08-03 | 2013-02-06 | 张大伟 | Operation control device of active coke filtering and absorbing treatment sewage system |
| CN103043820A (en) * | 2012-12-27 | 2013-04-17 | 攀钢集团攀枝花钢钒有限公司 | Method for controlling chemical water treatment process of boiler |
| CN105608976A (en) * | 2015-12-24 | 2016-05-25 | 中国信息安全测评中心 | Virtual and actual combined sewage treatment plant test bed and construction method thereof |
| CN108862838A (en) * | 2018-06-28 | 2018-11-23 | 北京北排建设有限公司 | A kind of autocontrol method for wisdom regeneration water factory |
| CN108919771A (en) * | 2018-09-18 | 2018-11-30 | 北京清核朝华科技有限公司 | A kind of management system of the acquisition of water treatment facilities data and cloud transmission intelligent control |
| CN110294548A (en) * | 2019-07-25 | 2019-10-01 | 西安热工研究院有限公司 | Operation simulation device and method for condensate polishing desalting system |
| CN111714938A (en) * | 2019-03-19 | 2020-09-29 | Fsp流动系统合伙控股股份公司 | Filter cover, filter device, filter system and method for calculating residual life |
| CN114620807A (en) * | 2022-03-22 | 2022-06-14 | 中核龙原科技有限公司 | Power plant's demineralized water quality of water hoisting device |
-
2009
- 2009-07-21 CN CN200920075020XU patent/CN201562157U/en not_active Expired - Fee Related
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102914999A (en) * | 2011-08-03 | 2013-02-06 | 张大伟 | Operation control device of active coke filtering and absorbing treatment sewage system |
| CN102914999B (en) * | 2011-08-03 | 2015-06-10 | 北京水桑田环保科技有限公司 | Operation control device of active coke filtering and absorbing treatment sewage system |
| CN103043820A (en) * | 2012-12-27 | 2013-04-17 | 攀钢集团攀枝花钢钒有限公司 | Method for controlling chemical water treatment process of boiler |
| CN103043820B (en) * | 2012-12-27 | 2014-11-12 | 攀钢集团攀枝花钢钒有限公司 | Method for controlling chemical water treatment process of boiler |
| CN105608976A (en) * | 2015-12-24 | 2016-05-25 | 中国信息安全测评中心 | Virtual and actual combined sewage treatment plant test bed and construction method thereof |
| CN105608976B (en) * | 2015-12-24 | 2018-12-14 | 中国信息安全测评中心 | A kind of actual situation combination sewage treatment plant's test envelope and its construction method |
| CN108862838A (en) * | 2018-06-28 | 2018-11-23 | 北京北排建设有限公司 | A kind of autocontrol method for wisdom regeneration water factory |
| CN108919771A (en) * | 2018-09-18 | 2018-11-30 | 北京清核朝华科技有限公司 | A kind of management system of the acquisition of water treatment facilities data and cloud transmission intelligent control |
| CN111714938A (en) * | 2019-03-19 | 2020-09-29 | Fsp流动系统合伙控股股份公司 | Filter cover, filter device, filter system and method for calculating residual life |
| CN111714938B (en) * | 2019-03-19 | 2022-03-04 | 雅歌辉托斯集团有限公司 | Filter cover, filter device, filter system and method for calculating residual life |
| CN110294548A (en) * | 2019-07-25 | 2019-10-01 | 西安热工研究院有限公司 | Operation simulation device and method for condensate polishing desalting system |
| CN114620807A (en) * | 2022-03-22 | 2022-06-14 | 中核龙原科技有限公司 | Power plant's demineralized water quality of water hoisting device |
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Granted publication date: 20100825 Termination date: 20130721 |