CN108840427B - Intelligent impeller - Google Patents
Intelligent impeller Download PDFInfo
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- CN108840427B CN108840427B CN201810633825.5A CN201810633825A CN108840427B CN 108840427 B CN108840427 B CN 108840427B CN 201810633825 A CN201810633825 A CN 201810633825A CN 108840427 B CN108840427 B CN 108840427B
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- sludge concentration
- frequency
- control system
- plc control
- detection instrument
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/005—Processes using a programmable logic controller [PLC]
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- Life Sciences & Earth Sciences (AREA)
- Biodiversity & Conservation Biology (AREA)
- Microbiology (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Measuring Volume Flow (AREA)
- Apparatus Associated With Microorganisms And Enzymes (AREA)
- Treatment Of Sludge (AREA)
Abstract
The invention discloses an intelligent flow pusher which comprises a plurality of flow pusher bodies, a plurality of sludge concentration detection instruments, a PLC control system and a frequency converter. The biochemical pond is placed in to each impeller body mutually independent, places biochemical pond in to each sludge concentration detection instrument mutually independent, and each sludge concentration detection instrument has relative height different mutually for biochemical pond's bottom of the pool face, each relative height of sludge concentration detection instrument for biochemical pond's bottom of the pool face all corresponds and is provided with at least one impeller body. According to the intelligent flow pushing device disclosed by the invention, the PLC control system mutually and independently obtains the sludge concentration corresponding to the relative height of each sludge concentration detection instrument, and the PLC control system obtains the accurate operation frequency of the flow pushing device through PID calculation according to each sludge concentration and transmits the accurate operation frequency to the frequency converter, so that the variable frequency operation of the flow pushing device is controlled.
Description
Technical Field
The invention belongs to the technical field of biochemical treatment, and particularly relates to an intelligent flow pusher.
Background
At present, flow pushers used by biochemical tanks of various sewage plants are in a power frequency operation mode. The operating frequency of the flow impeller cannot be changed according to the sludge concentration at different depths in the biochemical tank. Therefore, the sludge in the biochemical tank can not be uniformly mixed, and the sludge sedimentation and stratification phenomena are more likely to occur.
Disclosure of Invention
The present invention overcomes the above-mentioned drawbacks and provides an intelligent flow driver.
The invention adopts the following technical scheme that the intelligent flow pusher comprises a plurality of flow pusher bodies, a plurality of sludge concentration detection instruments, a PLC control system and a frequency converter, wherein:
each flow pusher body is mutually independently arranged in the biochemical tank, each sludge concentration detection instrument has mutually different relative heights relative to the bottom surface of the biochemical tank, and each relative height of the sludge concentration detection instrument relative to the bottom surface of the biochemical tank is correspondingly provided with at least one flow pusher body;
the PLC control system and the frequency converter are simultaneously externally arranged in the biochemical pool, the PLC control system mutually and independently obtains the sludge concentration corresponding to the relative height of each sludge concentration detection instrument, and the PLC control system obtains the operating frequency of each flow impeller body through PID calculation according to each sludge concentration;
the frequency converters obtain the operating frequencies independently and control the frequency conversion operation of the current pushing devices independently according to the operating frequencies.
According to the technical scheme, the PLC control system is preset with the relative height of each flow pusher body relative to the bottom surface of the biochemical pool.
According to the technical scheme, the PLC control system is preset with the relative height of each sludge concentration detection instrument relative to the bottom surface of the biochemical pool.
According to the technical scheme, the PLC control system outputs a frequency conversion control instruction and a frequency conversion control signal to the frequency converter, and the frequency conversion control signal comprises the operating frequency of each current thruster body.
The intelligent flow driver disclosed by the invention has the beneficial effects that the PLC control system mutually and independently obtains the sludge concentration corresponding to the relative height of each sludge concentration detection instrument, and the PLC control system obtains the accurate operation frequency of the flow driver through PID calculation according to each sludge concentration and transmits the accurate operation frequency to the frequency converter, so that the variable frequency operation of the flow driver is controlled.
Drawings
Fig. 1 is a schematic structural view in a top view of a preferred embodiment of the present invention.
Fig. 2 is a control schematic of the preferred embodiment of the present invention.
The reference numerals include: 1-a biochemical pool; 2-a flow pusher body; 3-a sludge concentration detection instrument; 4-a PLC control system; 5-frequency converter.
Detailed Description
The invention discloses an intelligent flow driver, and the following describes the specific implementation of the invention with reference to the preferred embodiment.
Referring to fig. 1 and 2 of the drawings, fig. 1 shows the overall structure of the intelligent flow driver, and fig. 2 shows the control principle of the intelligent flow driver.
Preferably, intelligent impeller includes a plurality of impeller bodies 2, a plurality of mud concentration instrumentation 3, PLC control system 4 and converter 5, wherein:
each flow pusher body 2 is mutually independently arranged in the biochemical pool 1, each sludge concentration detection instrument 3 has different relative heights relative to the pool bottom surface of the biochemical pool 1, and at least one flow pusher body 2 is correspondingly arranged at each relative height of the sludge concentration detection instrument 3 relative to the pool bottom surface of the biochemical pool 1;
the PLC control system 4 and the frequency converter 5 are simultaneously arranged outside the biochemical pool 1, the PLC control system 4 mutually and independently obtains the sludge concentration corresponding to the relative height of each sludge concentration detection instrument 3, and the PLC control system obtains the operating frequency of each flow impeller body 2 through PID calculation according to each sludge concentration;
the frequency converters 3 obtain the operating frequencies independently from each other, and control the frequency conversion operation of the current pushing devices 2 independently from each other according to the operating frequencies.
Further, the PLC control system 4 presets the relative height of each flow pusher body 2 with respect to the bottom surface of the biochemical tank 1.
Further, the PLC control system 4 is preset with the relative height of each sludge concentration detection instrument 3 with respect to the bottom surface of the biochemical tank 1.
Further, the operating frequency of each of the impeller bodies 2 obtained by the resolution of the frequency converter 5 is one of completely identical, partially identical, or completely different.
Further, the PLC control system 4 outputs a frequency conversion control instruction and a frequency conversion control signal to the frequency converter, where the frequency conversion control signal includes an operating frequency of each current impeller body 2.
According to the technical scheme, the invention discloses an intelligent flow pusher. In fig. 1, 1 is a biochemical tank, 2 is a flow impeller body, and 3 is a sludge concentration detection instrument. Wherein, the concrete positions of each flow pusher 2 and each sludge concentration detection instrument 3 are determined according to the actual conditions of the sewage plant site. In fig. 2, 3 is a sludge concentration detecting instrument, 4 is a PLC control system, 5 is a frequency converter, and 2 is a flow pusher body. The sludge concentration detection instrument 3 detects the sludge concentration in the biochemical pool 1 in real time and feeds the sludge concentration back to the PLC control system 4, the PLC control system 4 obtains accurate operation frequency through PID operation and sends the accurate operation frequency to the frequency converter 5, and the frequency converter 5 executes instructions after receiving signals and controls each flow impeller 2 to operate under the frequency.
According to the preferred embodiment, the intelligent impeller disclosed by the patent application can overcome the defect that the conventional impeller cannot change the frequency according to the different sludge concentrations at different depths of the biochemical pool. The impeller can not only sense the sludge concentration of different depths in the biochemical pool, but also change the working frequency of the biochemical pool according to the change of the sludge concentration, thereby enabling the sludge in the biochemical pool to be uniformly mixed and preventing the sludge from settling and layering.
According to the above preferred embodiment, the technical solution of the intelligent impeller disclosed in the present patent application mainly includes: an instrument capable of detecting the sludge concentration of each depth of the biochemical pool is applied, information is transmitted to a control system, PID operation is carried out by the control system, accurate running frequency of the impeller is obtained, and the running frequency is transmitted to a frequency converter, so that the variable frequency running of the impeller is controlled.
According to the technical scheme, the intelligent flow pusher disclosed by the patent application of the invention can promote the sludge in the biochemical pool to be uniformly mixed, and simultaneously, the adopted frequency conversion technology can also reduce the power consumption of the flow pusher, thereby reducing the plant power consumption of a sewage plant.
It will be apparent to those skilled in the art that modifications and equivalents may be made in the embodiments and/or portions thereof without departing from the spirit and scope of the present invention.
Claims (3)
1. The utility model provides an intelligent impeller, its characterized in that, includes a plurality of impeller bodies, a plurality of mud concentration detection instrument, PLC control system and converter, wherein:
each flow pusher body is mutually independently arranged in the biochemical tank, each sludge concentration detection instrument has mutually different relative heights relative to the bottom surface of the biochemical tank, and each relative height of the sludge concentration detection instrument relative to the bottom surface of the biochemical tank is correspondingly provided with at least one flow pusher body;
the PLC control system and the frequency converter are simultaneously externally arranged in the biochemical pool, the PLC control system mutually and independently obtains the sludge concentration corresponding to the relative height of each sludge concentration detection instrument, and the PLC control system obtains the operating frequency of each flow impeller body through PID calculation according to each sludge concentration;
the frequency converters obtain the operating frequencies independently and control the frequency conversion operation of the current pushing devices independently according to the operating frequencies;
the sludge concentration detection instrument detects the sludge concentration in the biochemical pool in real time and feeds the sludge concentration back to the PLC control system, the PLC control system obtains accurate operation frequency through PID operation and sends the accurate operation frequency to the frequency converter, and the frequency converter executes instructions after receiving signals and controls each flow impeller to operate under the frequency;
and the PLC control system outputs a frequency conversion control instruction and a frequency conversion control signal to the frequency converter, and the frequency conversion control signal comprises the operating frequency of each current thruster body.
2. The intelligent flow driver as claimed in claim 1, wherein the PLC control system is preset with the relative height of each flow driver body with respect to the bottom surface of the biochemical pool.
3. The intelligent flow driver as claimed in claim 1, wherein the PLC control system is preset with the relative height of each sludge concentration measuring meter with respect to the bottom surface of the biochemical tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810633825.5A CN108840427B (en) | 2018-06-20 | 2018-06-20 | Intelligent impeller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810633825.5A CN108840427B (en) | 2018-06-20 | 2018-06-20 | Intelligent impeller |
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| Publication Number | Publication Date |
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| CN108840427A CN108840427A (en) | 2018-11-20 |
| CN108840427B true CN108840427B (en) | 2021-05-07 |
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| CN201810633825.5A Active CN108840427B (en) | 2018-06-20 | 2018-06-20 | Intelligent impeller |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101880085A (en) * | 2010-02-03 | 2010-11-10 | 王鹤立 | Inner diversion type EGSB pulsing-circulating biogas stirring technique |
| CN201914971U (en) * | 2010-11-15 | 2011-08-03 | 孙立渝 | Barrel-shaped spiral upstream anaerobic device |
| CN102730831A (en) * | 2012-07-21 | 2012-10-17 | 浙江大学 | Internal circulation hydrolysis anaerobic reaction device |
| CN203269649U (en) * | 2013-04-25 | 2013-11-06 | 北京铭泽源环境工程有限公司 | Novel automatic biological reaction tank control system for sewage treatment plant |
| CN104496016A (en) * | 2014-12-25 | 2015-04-08 | 上海中信水务产业有限公司 | Biochemical oxygenation stirring process and device system |
| CN204737778U (en) * | 2015-06-17 | 2015-11-04 | 山东光华纸业集团有限公司 | Biochemical pond dissolved oxygen automatic regulating system of sewage treatment |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101849340B1 (en) * | 2015-09-21 | 2018-04-17 | 김부열 | A device for manufacturing liquid fertilizer contained function of deodorization |
-
2018
- 2018-06-20 CN CN201810633825.5A patent/CN108840427B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101880085A (en) * | 2010-02-03 | 2010-11-10 | 王鹤立 | Inner diversion type EGSB pulsing-circulating biogas stirring technique |
| CN201914971U (en) * | 2010-11-15 | 2011-08-03 | 孙立渝 | Barrel-shaped spiral upstream anaerobic device |
| CN102730831A (en) * | 2012-07-21 | 2012-10-17 | 浙江大学 | Internal circulation hydrolysis anaerobic reaction device |
| CN203269649U (en) * | 2013-04-25 | 2013-11-06 | 北京铭泽源环境工程有限公司 | Novel automatic biological reaction tank control system for sewage treatment plant |
| CN104496016A (en) * | 2014-12-25 | 2015-04-08 | 上海中信水务产业有限公司 | Biochemical oxygenation stirring process and device system |
| CN204737778U (en) * | 2015-06-17 | 2015-11-04 | 山东光华纸业集团有限公司 | Biochemical pond dissolved oxygen automatic regulating system of sewage treatment |
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| CN108840427A (en) | 2018-11-20 |
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