CN103011523B - Town sewage treatment system - Google Patents
Town sewage treatment system Download PDFInfo
- Publication number
- CN103011523B CN103011523B CN201210579105.8A CN201210579105A CN103011523B CN 103011523 B CN103011523 B CN 103011523B CN 201210579105 A CN201210579105 A CN 201210579105A CN 103011523 B CN103011523 B CN 103011523B
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- China
- Prior art keywords
- probe
- rly
- group
- oxidation ditch
- sewage treatment
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Abstract
The invention discloses a town sewage treatment system which comprises a water inlet tank, a sedimentation tank, an oxidation ditch, a disinfection channel, a water outlet and a control system. The town sewage treatment system is characterized in that the water inlet tank, the sedimentation tank, the oxidation ditch, the disinfection channel and the water outlet are sequentially connected with treated sewage; the control system controls the valve distribution of the water inlet tank, the sedimentation tank, the oxidation ditch, the disinfection channel and the water outlet through detection equipment and a relay unit; an H2S probe and a level sensor are arranged in the water inlet tank; an SS (suspended solid) probe and a PH (potential of hydrogen) probe are arranged in the sedimentation tank; an MLSS (mixed liquor suspended solid) probe and a dissolved oxygen probe are arranged in the oxidation ditch; and a PH probe and a COD (chemical oxygen demand) probe are arranged in the disinfection channel. The invention combines manual control and automatic control, facilitates the operation, saves the energy, lowers the cost, greatly facilitates the maintenance and repair, has a wide application range and can meet the requirements for sewage treatment of various scales.
Description
Technical field
The present invention relates to a kind of town sewage treatment system.
Background technology
In prior art, town sewage treatment system is generally full Non-follow control or fully-automatic intelligent control, full Non-follow control cost is lower, maintenance maintenance is convenient, but easily occur that controlling error causes processing situation about being not good at, common mode of avoiding is then take the r of completely open and close, but the power supply control of completely open and close then wastes the energy again greatly; What fully-automatic intelligent controlled then not too easily occurs controlling error, and has saved the energy, but cost is very high, and maintenance maintenance bothers very much.
Summary of the invention
For solving the problems of the technologies described above, the invention provides a kind of town sewage treatment system, this town sewage treatment system, in conjunction with manual and automatic control mode, is aided with suitable proofing unit simultaneously, makes Non-follow control and automatically controls to be able to good combination.
The present invention is achieved by the following technical programs.
A kind of town sewage treatment system provided by the invention, comprises pump sump, settling pit, oxidation ditch, sterilization canal, water outlet and Controlling System, it is characterized in that: described pump sump, settling pit, oxidation ditch, sterilization canal, water outlet connection handling sewage successively;
Described Controlling System is:
H2S probe and water level sensor are housed in pump sump, are connected in pump sump rly. group, thus pump sump valve distribution is controlled;
SS probe and PH probe are housed in settling pit, are connected in settling pit rly. group, thus settling pit valve distribution is controlled;
MLSS probe and dissolved oxygen probe are housed in oxidation ditch, are connected in oxidation ditch rly. group, thus oxidation ditch valve distribution is controlled;
PH probe and COD probe are housed in sterilization canal, are connected in sterilization canal rly. group, thus sterilization canal valve distribution is controlled.
Described Controlling System also comprises the PLC supervisory control desk being series at pump sump rly. group, settling pit rly. group, oxidation ditch rly. group and sterilization canal rly. group, in order to the power supply of intelligent control four rly. group place circuit.
Described water level sensor is ultrasonic water level sensor.
In described pump sump and settling pit, one or both combinations in dirt remover or squeezing machine are all housed.
Beneficial effect of the present invention is: combine Non-follow control and automatically control, facilitating operation, saved the energy, reduced cost, also greatly facilitated maintenance maintenance simultaneously, and applied widely, is applicable to the demand of various scale sewage disposal.
Accompanying drawing explanation
Fig. 1 is the principle schematic of Controlling System of the present invention;
Fig. 2 is schematic flow sheet of the present invention.
Embodiment
Technical scheme of the present invention is further described below in conjunction with accompanying drawing, but described in claimed scope is not limited to.
A kind of town sewage treatment system as shown in Figure 1, comprises pump sump, settling pit, oxidation ditch, sterilization canal, water outlet and Controlling System, it is characterized in that: described pump sump, settling pit, oxidation ditch, sterilization canal, water outlet connection handling sewage successively;
In described pump sump and settling pit, one or both combinations in dirt remover or squeezing machine are all housed.
As shown in Figure 1 and Figure 2, described Controlling System is:
H2S probe and water level sensor are housed in pump sump, are connected in pump sump rly. group, thus pump sump valve distribution is controlled;
SS probe and PH probe are housed in settling pit, are connected in settling pit rly. group, thus settling pit valve distribution is controlled;
MLSS probe and dissolved oxygen probe are housed in oxidation ditch, are connected in oxidation ditch rly. group, thus oxidation ditch valve distribution is controlled;
PH probe and COD probe are housed in sterilization canal, are connected in sterilization canal rly. group, thus sterilization canal valve distribution is controlled.
As shown in Figure 2, described Controlling System also comprises the PLC supervisory control desk being series at pump sump rly. group, settling pit rly. group, oxidation ditch rly. group and sterilization canal rly. group, in order to the power supply of intelligent control four rly. group place circuit.
Described water level sensor is ultrasonic water level sensor.
When needs control automatically, then utilize the sequence of control in PLC supervisory control desk, judge the value detected by each test set, thus the distribution of pump sump, settling pit, oxidation ditch, sterilization canal valve is controlled, thus reach the effect of accurate control, energy efficient.
When needs semiautomatic controls, then trip switch in PLC supervisory control desk is set to path entirely, then utilizes the controlling functions of rly. group to control valve distribution.
When the full Non-follow control of needs, then rly. group is set to path, employment manually carries out switching operation to valve electric brake, and now, due to the existence of test set, also can reduce energy consumption to a great extent.
Described valve generally adopts magnetic valve, also can adopt other motorized valves, i.e. valve open during Power supply path, valve closes time closed, thus convenient control.When adopting on-electric valve, then need install electric control system additional on valve, to realize opening for electric valve, without the effect of closing for electric valve if needed.
Claims (3)
1. a town sewage treatment system, comprises pump sump, settling pit, oxidation ditch, sterilization canal, water outlet and Controlling System, it is characterized in that: described pump sump, settling pit, oxidation ditch, sterilization canal, water outlet connection handling sewage successively;
Described Controlling System is:
In pump sump, H is housed
2s probe and water level sensor, be connected in pump sump rly. group, thus control pump sump valve distribution;
SS probe and pH probe are housed in settling pit, are connected in settling pit rly. group, thus settling pit valve distribution is controlled;
MLSS probe and dissolved oxygen probe are housed in oxidation ditch, are connected in oxidation ditch rly. group, thus oxidation ditch valve distribution is controlled;
PH probe and COD probe are housed in sterilization canal, are connected in sterilization canal rly. group, thus sterilization canal valve distribution is controlled;
Described Controlling System also comprises the PLC supervisory control desk being series at pump sump rly. group, settling pit rly. group, oxidation ditch rly. group and sterilization canal rly. group, in order to the power supply of intelligent control four rly. group place circuit.
2. town sewage treatment system as claimed in claim 1, is characterized in that: described water level sensor is ultrasonic water level sensor.
3. town sewage treatment system as claimed in claim 1, is characterized in that: in described pump sump and settling pit, one or both combinations in dirt remover or squeezing machine are all housed.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201210579105.8A CN103011523B (en) | 2012-12-27 | 2012-12-27 | Town sewage treatment system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201210579105.8A CN103011523B (en) | 2012-12-27 | 2012-12-27 | Town sewage treatment system |
Publications (2)
Publication Number | Publication Date |
---|---|
CN103011523A CN103011523A (en) | 2013-04-03 |
CN103011523B true CN103011523B (en) | 2015-02-11 |
Family
ID=47960701
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201210579105.8A Expired - Fee Related CN103011523B (en) | 2012-12-27 | 2012-12-27 | Town sewage treatment system |
Country Status (1)
Country | Link |
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CN (1) | CN103011523B (en) |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2564542Y (en) * | 2002-07-15 | 2003-08-06 | 淄博华周制药设备有限公司 | Distilled water machine capable of controlling liquid level in evaporator |
CN101182074A (en) * | 2007-11-16 | 2008-05-21 | 北京工业大学 | Real-time controlling method for denitrification by reinforced circulating type active sludge process |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100699198B1 (en) * | 2005-08-18 | 2007-03-27 | 정호봉 | Treatment of Wastewater Device |
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2012
- 2012-12-27 CN CN201210579105.8A patent/CN103011523B/en not_active Expired - Fee Related
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2564542Y (en) * | 2002-07-15 | 2003-08-06 | 淄博华周制药设备有限公司 | Distilled water machine capable of controlling liquid level in evaporator |
CN101182074A (en) * | 2007-11-16 | 2008-05-21 | 北京工业大学 | Real-time controlling method for denitrification by reinforced circulating type active sludge process |
Non-Patent Citations (1)
Title |
---|
城市居民生活污水处理自动控制系统的研究与应用;第10期;《中国优秀硕士学位论文全文数据库 信息科技辑》;20101015(第10期);正文第7页倒数第3段—第15页第3段,第53页第2段,第56页第2段,第57页倒数第2-3段 * |
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CN103011523A (en) | 2013-04-03 |
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Granted publication date: 20150211 Termination date: 20161227 |