CN201140998Y - High water level early-warning device of oxidation ditch - Google Patents
High water level early-warning device of oxidation ditch Download PDFInfo
- Publication number
- CN201140998Y CN201140998Y CNU2007201574422U CN200720157442U CN201140998Y CN 201140998 Y CN201140998 Y CN 201140998Y CN U2007201574422 U CNU2007201574422 U CN U2007201574422U CN 200720157442 U CN200720157442 U CN 200720157442U CN 201140998 Y CN201140998 Y CN 201140998Y
- Authority
- CN
- China
- Prior art keywords
- water level
- oxidation ditch
- intermediate relay
- warning device
- signals
- 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 - Lifetime
Links
Images
Classifications
-
- 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
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
Landscapes
- Emergency Alarm Devices (AREA)
Abstract
The utility model provides a high water level alerting device of an oxidation ditch, which belongs to the field of an alerting and protecting device running in equipment in a sewage disposal plant, the high water level alerting device is structurally composed of three parts of a machinery collection portion, a scene alarm portion and a coordinated control portion connected with one another, wherein, the coordinated collection portion is mainly used for collecting water level signals in the oxidation ditch in real time, and the signals are transmitted out after a limit switch is touched when the water level is ultrahigh; the scene alarm portion is chiefly used to extend and transmit water level ultrahigh signals, meanwhile sending out audible and visual alarm signals to alarm the person on duty; and the coordinated control portion is mainly used to cut off the power supply of equipment immediately through a control loop when receiving the water level ultrahigh signals, so the equipment is stopped at once. Compared with the prior art, the oxidation ditch high water level alerting device of the utility model can monitor the water level in the oxidation ditch in real time, and cut off brushes in operation immediately when the water level in the oxidation ditch rises to the preset warning stage, meanwhile sending out audible and visual alarm signals to alarm the person on duty about the emergency so as to take effective measures to deal with the emergency timely.
Description
(1) technical field
The utility model relates to the early warning protector of a kind of sewage disposal plant operation, specifically a kind of municipal sewage plant that adopts oxidation ditch process timely early warning and device that surperficial aerator is effectively protected during the operating water level superelevation in core structures-oxidation ditch.
(2) background technology
Current, a lot of large-scale wastewater treatment plants adopt oxidation ditch process to carry out sewage disposal.Advantages such as it is simple that this technology has flow process, and operational management is convenient, and treatment effect is stable, and effluent quality is good, and sludge yield is little, and shale is stable, and anti-shock loading is strong.Be easy to the treatment technology of maintenance management again as a kind of low cost, simple structure, the positive paid more and more attention of oxidation ditch process also progressively at home and abroad is widely used in the sewage treatment industry.
Oxidation ditch is one of most important processing unit in the oxidation ditch process as the carrier of aerobic biochemical, and this unit mainly is made up of pond body, aeration rotary brush, underwater propeller and rotation adjusting weir gate etc.Aeration rotary brush is a surface aeration equipment, mainly contains oxygenation, gentle, the water mixing effect of plug-flow; Underwater propeller is a diving outfit, mainly contains the muddy water that advances pond body Lower Half, prevents active sludge sedimentation in ditch; The requirement that weir gate is mainly used to regulate the interior water level of ditch and satisfies the denitrogenation dephosphorizing operational mode is regulated in rotation.In this aerobic biochemical processing unit, whether the normal operation of aeration rotary brush has directly determined the quality of sewage disposal, and the water level of the running current that changes brush and oxidation ditch promptly changes the submergence of brush brush sheet direct relation is arranged.If water level surpasses the maximum submergence of changeing brush in the ditch, can make electromotor overload, the electric motor running current is excessive, the electric machine temperature rise aggravation, step-down gear abnormal sound noise and the bigger vibration of generation, if this kind situation surpasses 30 minutes, can cause changes the brush burn-down of electric motor, equipment component damages, and even the impaired equipment scrapping of step-down gear.
In general, except that the people was mishandle, mainly there were two kinds of situations in oxidation ditch water level superelevation:
1) the oxidation ditch flooding quantity strengthens suddenly, can't normally discharge in the short period of time, causes oxidation ditch water level superelevation.The water inlet pump house comes the water yield to strengthen suddenly during as it kicked off in heavy rains, and intake pump is opened the platform number in the short period of time increases suddenly, causes oxidation ditch water level superelevation.
2) the nylon shaft coupling piece between oxidation ditch effluent weir door motor and step-down gear is owing to damaging, though motor can normally move, weir plate does not move.Discharge water if need this moment weir gate to open, master control room demonstration weir gate will occur and normally open, but the situation that weir plate reality does not fall, the result causes the water row in the ditch not go out, and makes the water level superelevation.
Because municipal sewage plant's automation degree of equipment is higher, the general equal energy of all devices remote control on the oxidation ditch, so it is less that the production scene is used for the personnel of equipment walkaround inspection, and patrol and examine certain cycle (patrolling and examining once in general 2～3 hours), just do not reach real-time monitoring at all the oxidation ditch water level.This defective is in service more outstanding at night.
(3) summary of the invention
Technical assignment of the present utility model is the characteristics of patrolling and examining at the prior art production scene and the uncertainty of oxidation ditch water level superelevation, a kind of oxidation ditch high-water prior-warning device that provides.The main safe operation angle of this device from support equipment and technology, water level to oxidation ditch is monitored in real time, when being increased to the warning water level that sets in advance, the oxidation ditch water level can cut off operating commentaries on classics brush immediately, send sound, light alarm signal simultaneously, the emergency of reminding the watchstander to occur, and in time take effective measures and dispose.
The technical scheme that its technical problem that solves the utility model adopts is:
A kind of oxidation ditch high-water prior-warning device, comprise mechanical collecting part, onsite alarming part and interlock control section, the water level signal collection terminal of machinery collecting part is placed on the water surface, the signal input part of the water level signal output terminal of machinery collecting part and onsite alarming part joins, and the signal output part of onsite alarming part joins with the interlock control section.The machinery collecting part is mainly used to gather in real time the oxidation ditch water level signal, touches limit switch after the water level superelevation, and this signal is transferred out; Onsite alarming partly is mainly used to expansion and transmits water level superelevation signal, also sends the sound and light alarm signal simultaneously and reminds the watchstander; The interlock control section mainly is when the water level superelevation signal of receiving, cuts off device power supply (DPS) immediately by control loop, and equipment is shut down at once.
Above-mentioned oxidation ditch high-water prior-warning device, its mechanical collecting part comprises interconnective successively ball float, mechanical linkages and pressing plate, and ball float is the water level signal collection terminal of mechanical collecting part, and pressing plate is arranged on the limit switch top of onsite alarming part.Mechanical linkages comprises back joint, decline bar, anti-sway fixed sleeving, regulating rod and preceding joint, regulating rod passes anti-sway fixed sleeving, the bottom of regulating rod and preceding joint join, the upper end of decline bar and the movable end of pressing plate join, the other end of pressing plate is fixed, the bottom of decline bar joins with the back joint, and back joint and preceding joint are provided with the fixedly support bar of ball float.When the oxidation ditch water level raise, ball float was accompanied by water level and constantly soaring, and the displacement that ball float is made progress by mechanical linkages is converted to the downward displacement of pressing plate.When water level surpassed default height, ball float can drive pressing plate and touch limit switch in this position, converts mechanical signal to a pair of passive electrical signal by limit switch, again by cable with this to signals collecting and be sent in the onsite alarming system.
Above-mentioned oxidation ditch high-water prior-warning device, its onsite alarming partly comprises a field control case, be provided with warning circuit in the field control case, warning circuit comprises direct supply T, float switch FQ, time relay KT, intermediate relay KA1-KA5 and reset button SB, the coil series connection of direct supply T, float switch FQ and time relay KT, the coil series connection of the normally opened contact of time relay KT and intermediate relay KA1, the normally opened contact series connection of reset button SB and time relay KT, the normally closed contact of intermediate relay KA2-KA5 is connected with the interlock control section.After oxidation ditch water level superelevation, limit switch is a float switch FQ normally opened contact closure, and time relay KT coil gets electric, the adhesive after 30 seconds of delaying time, and intermediate relay KA1 coil gets electric, and the KA1 normally opened contact is all closed.At this moment, (a) intermediate relay KA1 self-locking continues to keep its coil to get; (b) snail shape loudspeaker LB continues to ring, and photoflash lamp HL continues flicker; (c) intermediate relay KA2, KA3, KA4, KA5 coil all electric, the normally closed contact of KA2～KA5 all disconnects this moment.This part can be converted into the sound and light alarm signal to water level superelevation signal and inform the watchstander, can be decomposed into 16 road signals to 1 road signal simultaneously simultaneously and use for 16 aeration rotary brushs respectively.
Above-mentioned oxidation ditch high-water prior-warning device, its interlock control section comprises air switch QF, alternating current contactor KM1, intermediate relay KA1, KA2, press button and signal lamp, the air switch FQ of air switch QF and onsite alarming case and the series connection of the coil of intermediate relay KA1, the coil of intermediate relay KA1 and the series connection of intermediate relay KA1 normally opened contact, the coils from parallel connection of coils of intermediate relay KA1, alternating current contactor KM2, intermediate relay KA1.The interlock control section mainly is the Controlling System that the water level superelevation signal that sends organically is attached to aeration rotary brush, so that just can cut off device power supply (DPS) immediately in case obtain signal, thus protection equipment.Its principle of work is: when intermediate relay KA2～KA5 was sent to linkage control device to water level superelevation signal, promptly the normally closed contact of float switch FQ disconnected, and this moment, the KA1 intermediate relay moved because of the coil decompression, and the KA1 contact of former closure disconnects; After the KA1 contact disconnected, the KM1 alternating current contactor moved because of the coil decompression, and the KM1 contact of former closure disconnects, and the KM1 contact disconnects back commentaries on classics brush master loop and is converted into trip condition by original channel status, and it is out of service because of outage to change brush.
A kind of oxidation ditch high-water prior-warning device of the present utility model compared with prior art, the beneficial effect that is produced is, reasonable in design, simple in structure, level of automation is high, report to the police accurately and timely, can monitor in real time the water level of oxidation ditch, when being increased to the warning water level that sets in advance, the oxidation ditch water level can cut off operating commentaries on classics brush immediately, send sound, light alarm signal simultaneously, the emergency of reminding the watchstander to occur, and in time take effective measures and dispose.
(4) description of drawings
Accompanying drawing 1 is a theory structure synoptic diagram of the present utility model;
Accompanying drawing 2 is the structural representation of mechanical collecting part of the present utility model;
Accompanying drawing 3 is the structural representation of onsite alarming part of the present utility model;
Accompanying drawing 4 is the structural representation of interlock control section of the present utility model.
Among the figure, I, mechanical collecting part, II, onsite alarming part, III, interlock control section, 1, pressing plate, 2, limit switch, 3, the back joint, 4, the decline bar, 5, anti-sway fixed sleeving, 6, regulating rod, 7, ball float, 8, preceding joint, 9, support bar.
(5) embodiment
Explain below below in conjunction with accompanying drawing 1-4 a kind of oxidation ditch high-water prior-warning device of the present utility model being done.
As shown in Figure 1, a kind of oxidation ditch high-water prior-warning device of the present utility model, its structure is by comprising mechanical collecting part I, onsite alarming part II and interlock control section III, the water level signal collection terminal of machinery collecting part I is placed on the water surface, the water level signal output terminal of machinery collecting part I and the signal input part of onsite alarming part II join, and the signal output part of onsite alarming part II joins with interlock control section III.
As shown in Figure 2, above-mentioned oxidation ditch high-water prior-warning device, its mechanical collecting part I comprises interconnective successively ball float 7, mechanical linkages and pressing plate 1, and ball float 7 is the water level signal collection terminal of mechanical collecting part I, and pressing plate 1 is arranged on limit switch 2 tops of onsite alarming part II.Mechanical linkages comprises back joint 3, decline bar 4, anti-sway fixed sleeving 5, regulating rod 6 and preceding joint 8, regulating rod 6 passes anti-sway fixed sleeving 5, the bottom of regulating rod 6 and preceding joint 8 join, the movable end of the upper end of decline bar 4 and pressing plate 1 joins, the other end of pressing plate 1 is fixed, the bottom of decline bar 4 joins with back joint 3, and back joint 3 and preceding joint 8 are provided with the fixedly support bar 9 of ball float 7.When the oxidation ditch water level raise, ball float 7 was accompanied by water level and constantly soaring, and the displacement that ball float 7 is made progress by mechanical linkages is converted to the downward displacement of pressing plate 1.When water level surpassed default height, ball float 7 can drive the limit switch 2 that pressing plates 1 touch in this position, converts mechanical signal to a pair of passive electrical signal by limit switch 2, again by cable with this to signals collecting and be sent among the II of onsite alarming system.Limit switch 2 among the machinery collecting part I is the float switch FQ among the onsite alarming part II.
As shown in Figure 3, above-mentioned oxidation ditch high-water prior-warning device, its onsite alarming partly comprises a field control case, be provided with warning circuit in the field control case, warning circuit comprises direct supply T, float switch FQ, time relay KT, intermediate relay KA1-KA5, reset button SB, snail shape loudspeaker LB and electronic flasher DS, direct supply T, the coil series connection of float switch FQ and time relay KT, the coil series connection of time relay KT and intermediate relay KA1, reset button SB and time relay KT series connection, intermediate relay KA2-KA5 is connected with the interlock control section.After oxidation ditch water level superelevation, limit switch is a float switch FQ normally opened contact closure, and time relay KT coil gets electric, the adhesive after 30 seconds of delaying time, and intermediate relay KA1 coil gets electric, and the KA1 normally opened contact is all closed.At this moment, (a) intermediate relay KA1 self-locking continues to keep its coil to get; (b) snail shape loudspeaker LB continues to ring, and photoflash lamp HL continues flicker; (c) intermediate relay KA2, KA3, KA4, KA5 coil all electric, the normally closed contact of KA2～KA5 all disconnects this moment.This part can be converted into the sound and light alarm signal to water level superelevation signal and inform the watchstander, can be decomposed into 16 road signals to 1 road signal simultaneously simultaneously and use for 16 aeration rotary brushs respectively.
As shown in Figure 4, the interlock control section comprises air switch QF, alternating current contactor KM1, intermediate relay KA1, KA2, press button and signal lamp, the air switch FQ of air switch QF and onsite alarming case and the series connection of the coil of intermediate relay KA1, the coil of intermediate relay KA1 and the series connection of intermediate relay KA1 normally opened contact, the coils from parallel connection of coils of intermediate relay KA1, alternating current contactor KM2, intermediate relay KA1.Its principle of work is: when intermediate relay KA2～KA5 was sent to linkage control device to water level superelevation signal, promptly the normally closed contact of float switch FQ disconnected, and this moment, the KA1 intermediate relay moved because of the coil decompression, and the KA1 contact of former closure disconnects; After the KA1 contact disconnected, the KM1 alternating current contactor moved because of the coil decompression, and the KM1 contact of former closure disconnects, and the KM1 contact disconnects back commentaries on classics brush master loop and is converted into trip condition by original channel status, and it is out of service because of outage to change brush.
A kind of its processing and fabricating of oxidation ditch high-water prior-warning device of the present utility model is simple and convenient, and processing and fabricating gets final product shown in the by specification accompanying drawing.Annotate 1 and attract, annotate 2 and attract, annotate 3 and attract, annotate 4 and attract by PLC by on-the-spot button case by the scram button case by the warning float switch.
Except that the described technical characterictic of specification sheets, be the known technology of those skilled in the art.
Claims (7)
1, a kind of oxidation ditch high-water prior-warning device, it is characterized in that, this device comprises mechanical collecting part (I), onsite alarming part (II) and interlock control section (III), the water level signal collection terminal of machinery collecting part (I) is placed on the water surface, the signal input part of the water level signal output terminal of machinery collecting part (I) and onsite alarming part (II) joins, and the signal output part of onsite alarming part (II) joins with interlock control section (III).
2, a kind of oxidation ditch high-water prior-warning device according to claim 1, it is characterized in that, machinery collecting part (I) comprises interconnective successively ball float (7), mechanical linkages and pressing plate (1), ball float (7) is the water level signal collection terminal of mechanical collecting part (I), and pressing plate (1) is arranged on limit switch (2) top of onsite alarming part (II).
3, a kind of oxidation ditch high-water prior-warning device according to claim 2, it is characterized in that, mechanical linkages comprises back joint (3), decline bar (4), anti-sway fixed sleeving (5), regulating rod (6) and preceding joint (8), regulating rod (6) passes anti-sway fixed sleeving (5), the bottom of regulating rod (6) and preceding joint (8) join, the movable end of the upper end of decline bar (4) and pressing plate (1) joins, the other end of pressing plate (1) is fixed, the bottom of decline bar (4) joins with back joint (3), and back joint (3) and preceding joint (8) are provided with the fixedly support bar (9) of ball float (7).
4, a kind of oxidation ditch high-water prior-warning device according to claim 1, it is characterized in that, onsite alarming part (II) comprises a field control case, be provided with warning circuit in the field control case, warning circuit comprises direct supply (T), float switch (FQ), the time relay (KT), intermediate relay (KA1-KA5) and reset button (SB), direct supply (T), the coil series connection of the float switch (FQ) and the time relay (KT), the coil series connection of the normally opened contact of the time relay (KT) and intermediate relay (KA1), the normally opened contact series connection of the reset button (SB) and the time relay (KT), the normally closed contact of intermediate relay (KA2-KA5) is connected with the interlock control section.
5, a kind of oxidation ditch high-water prior-warning device according to claim 4 is characterized in that, also is provided with loudspeaker (LB) in the warning circuit.
6, a kind of oxidation ditch high-water prior-warning device according to claim 4 is characterized in that, also is provided with photoflash lamp (HL) in the warning circuit.
7, a kind of oxidation ditch high-water prior-warning device according to claim 1, it is characterized in that, interlock control section (III) comprises air switch (QF), alternating current contactor (KM1), intermediate relay (KA1, KA2), press button and signal lamp, the air switch (FQ) of air switch (QF) and onsite alarming case and the series connection of the coil of intermediate relay (KA1), the coil of intermediate relay (KA1) and the series connection of intermediate relay (KA1) normally opened contact, the coils from parallel connection of coils of intermediate relay (KA1), alternating current contactor (KM2), intermediate relay (KA1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201574422U CN201140998Y (en) | 2007-11-30 | 2007-11-30 | High water level early-warning device of oxidation ditch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201574422U CN201140998Y (en) | 2007-11-30 | 2007-11-30 | High water level early-warning device of oxidation ditch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201140998Y true CN201140998Y (en) | 2008-10-29 |
Family
ID=40068711
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201574422U Expired - Lifetime CN201140998Y (en) | 2007-11-30 | 2007-11-30 | High water level early-warning device of oxidation ditch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201140998Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104135067A (en) * | 2014-06-26 | 2014-11-05 | 国网河北省电力公司邯郸供电分公司 | Field prompt device for remote operation of transformer substation |
| CN104820445A (en) * | 2015-04-07 | 2015-08-05 | 国家电网公司 | Cable trench water level monitoring alarm system |
| CN105353783A (en) * | 2015-12-03 | 2016-02-24 | 昆山品青生物科技有限公司 | Ion exchange system sewage level floating ball control device |
-
2007
- 2007-11-30 CN CNU2007201574422U patent/CN201140998Y/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104135067A (en) * | 2014-06-26 | 2014-11-05 | 国网河北省电力公司邯郸供电分公司 | Field prompt device for remote operation of transformer substation |
| CN104135067B (en) * | 2014-06-26 | 2016-08-17 | 国家电网公司 | Transformer station remotely operates on-the-spot suggestion device |
| CN104820445A (en) * | 2015-04-07 | 2015-08-05 | 国家电网公司 | Cable trench water level monitoring alarm system |
| CN105353783A (en) * | 2015-12-03 | 2016-02-24 | 昆山品青生物科技有限公司 | Ion exchange system sewage level floating ball control device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203006998U (en) | Emergency overexcitation water body purification station | |
| CN201140998Y (en) | High water level early-warning device of oxidation ditch | |
| CN208877981U (en) | A kind of equipment for separating liquid from solid for sewage treatment | |
| CN202560529U (en) | Intelligent monitor system of integrated pumping station | |
| CN201671865U (en) | FFU centralized monitoring system | |
| CN111533366A (en) | A microorganism input device for aquatic attitude is administered | |
| CN202644505U (en) | Intelligent waste cleaning control system | |
| CN203240921U (en) | Safety cooling tower based on PLC (Programmable Logic Controller) intelligent control | |
| CN109745752A (en) | A kind of sewage-treatment plant with generating function | |
| CN106430850A (en) | Decentralized wastewater treatment system | |
| CN207210156U (en) | A kind of river sewage processing unit | |
| CN201454174U (en) | Central driving device of mud scrapping and adsorbing machine | |
| CN207148628U (en) | A kind of automated sewage handles switch board system | |
| CN211264150U (en) | Automatic feeding control circuit of intelligent floating bed | |
| CN203350694U (en) | Solar water purifier with alarm function | |
| CN212881408U (en) | Sewage filtering device for preventing and treating water pollution | |
| CN209193607U (en) | A kind of sewage oil removal device | |
| CN215711829U (en) | Integrated sewage treatment equipment | |
| CN110850803A (en) | Automatic feeding control circuit of intelligent floating bed and water quality adjusting method thereof | |
| CN206244605U (en) | A kind of decentralized type sewage processing system | |
| CN202438490U (en) | Intelligent ultrasonic scale preventing and eliminating device | |
| CN2906566Y (en) | Water level prompter | |
| CN205549705U (en) | Novel mud scraper | |
| CN205222740U (en) | Ultraviolet sterilization - centrifugal filtration's water treatment facilities | |
| CN204111535U (en) | Sewage disposal device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20151118 Address after: 214203 Jiangsu city of Wuxi province Yixing City Economic Development Zone Yixing yuan Bridge Patentee after: JIANGSU TONGYONG ENVIRONMENTAL PROTECTION GROUP CO., LTD. Address before: 250032 No. 1995 Huanggang Road, Tianqiao District, Shandong, Ji'nan, China Patentee before: Everbright Water (Jinan) Co., Ltd. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20081029 |