CN106396150A - Device and method for cleaning aerator - Google Patents
Device and method for cleaning aerator Download PDFInfo
- Publication number
- CN106396150A CN106396150A CN201611079120.0A CN201611079120A CN106396150A CN 106396150 A CN106396150 A CN 106396150A CN 201611079120 A CN201611079120 A CN 201611079120A CN 106396150 A CN106396150 A CN 106396150A
- Authority
- CN
- China
- Prior art keywords
- aerator
- transfer efficiency
- oxygen transfer
- value
- aeration
- 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.)
- Pending
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F7/00—Aeration of stretches of water
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
- B08B9/08—Cleaning containers, e.g. tanks
- B08B9/093—Cleaning containers, e.g. tanks by the force of jets or sprays
-
- 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
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Aeration Devices For Treatment Of Activated Polluted Sludge (AREA)
Abstract
The invention discloses a device and a method for cleaning an aerator. The device comprises an aeration reaction tank, a gas-collecting hood, an exhaust gas transmission pipe, an oxygen transfer efficiency determinator, a PLC (programmable logic controller) control unit, a first signal wire, a second signal wire, a dosing unit, a check valve, a dosing tube, a blower, an aeration pipeline, a microporous aerator, a metering pump and a cleaning solution. The invention also provides a specific method for performing cleaning by using the device; the oxygen transfer efficiency determinator judges a blockage condition of the microporous aerator according to a detection result; a detection value dropping quickly in a short time shows that a bank cap falls off or an aeration head is fractured; if an OTE value is gradually lower than a normal value and continuously has a decreasing tendency after operation for a period of time, and when the OTE value is lower than an alarm value, the blockage is serious, and then the PLC control unit controls each unit to run automatically, and adjusts the usage amount of the cleaning solution according to the blockage condition, thereby achieving efficient online cleaning of the microporous aerator, improving the aeration efficiency, and reducing the workload and the cost for replacing the aeration head.
Description
Technical field
The present invention relates to technical field of sewage, more particularly to a kind of aerator cleaning device and method.
Background technology
Aerating system is the very important device of sewage treatment plant it is generally the case that working as it through permanent fortune
After row, the various dirt classes containing in sewage can be adsorbed in aeration in the hole, can cause the certain blocking of aeration head, thus affecting aeration
Effect is so that be restricted to the oxygen delivery capacity of sewage, and because blocking causes pipeline ventilation not smooth, causes the pressure reduction of aerator
Increase, and then the power consumption of aerator and load increased, not only costly and also can affect to keep the safety in production.
Because aerator is in Aeration tank bottom it is often the case that combining dissolved oxygen parameter according to aeration rate or relying on warp
Test observation Aeration tank liquid level rolling situation to judge aerator blockage, error is larger, typically after Severe blockage
Aerator can be carried out, often now having had resulted in considerable energy consumption and having wasted and now clean needs stopping aeration laggard
Row dismounting or adopt standby aerator, but is required for carrying out manual cleaning, or high temperature sintering or use acid soak, all
Increased paying of workload and cost of labor.
Content of the invention
It is an object of the invention to provide a kind of aerator on-line cleaning device Ji Yu OTE (oxygen transfer efficiency) and method,
According to the change of oxygen transfer efficiency value, aeration head can be carried out, improve aeration efficiency, reducing energy consumption, extend aerator
Life-span.
For achieving the above object, the invention provides following scheme：
A kind of aerator cleaning device, including：Aerated reaction pond, gas skirt, tail gas transfer tube, oxygen transfer efficiency measure
Instrument, PLC control unit, the first holding wire, secondary signal line, dosing unit, check-valves, chemical feed pipe, blower fan, aerating pipelines, micro-
Hole aerator, dosing pump, cleanout fluid；
Described gas skirt floats on the liquid level in described aerated reaction pond, and fixing；
One end of described tail gas transfer tube is connected with described gas skirt top, the other end and described oxygen transfer efficiency analyzer
It is connected；
Real-time OTE value is passed to described PLC control unit by described first holding wire by described oxygen transfer efficiency analyzer；
Described PLC control unit connects dosing unit by described secondary signal line；
Described chemical feed pipe one end is connected with described dosing unit, and the other end is connected with gas delivery tube；
Described valve is located on described dosing pipe, connects PLC control unit described in its signal；
Described cleanout fluid is certain density formic acid liquid；
Described dosing pump is used to cleanout fluid is carried out with what quantitation exported；
Described micro porous aeration head is placed in Aeration tank bottom, and the import of described micro porous aeration head is connected with described aerator.
Optionally, described gas skirt adopts the base of metal master and quality of rubber materials.
Optionally, the specification of described gas skirt is 2590mm × 1820mm × 432mm.
Optionally, one end of the described tail gas transfer tube described gas skirt of connection is in the whole extreme lower position with pipeline, connects
One end of described oxygen transfer efficiency analyzer is in the whole extreme higher position with pipeline, prevents from condensing water slug pipeline.
Optionally, the described measured value stating oxygen transfer efficiency analyzer starts to aerator in fact when being less than the 20% of initial value
Apply cleaning.
Optionally, described PLC control unit is Siemens s7-300.
Optionally, the concentration of described formic acid solution is 85%.
Optionally, described chemical feed pipe one end connects described pump, and the other end accesses described aerating pipelines.
A kind of aerator cleaning method, including：A, the described oxygen transfer efficiency analyzer of unlatching are continuously to described aerated reaction
The oxygen transfer efficiency in pond is detected, obtains oxygen transfer efficiency value A1, obtains the oxygen transfer efficiency of described PLC control unit setting
Value B；B, judge that whether described oxygen transfer efficiency value A1 is less than described oxygen transfer efficiency value B, less than 20% execution step C；C、
Described valve is opened by described PLC control unit, using air carrier, described formic acid liquid is transported to described aerator, to exposure
Gas device is carried out；Whether D, acquisition oxygen transfer efficiency value A2, judge described oxygen transfer efficiency value A2 more than described oxygen transfer effect
Rate value B, terminates more than 20% cleaning.
The specific embodiment being provided according to the present invention, the invention discloses following technique effect：
Realize the on-line cleaning that efficient micropore exposes device, improve aeration efficiency, reduce workload cost-effective.
Brief description
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to institute in embodiment
Need use accompanying drawing be briefly described it should be apparent that, drawings in the following description be only the present invention some enforcement
Example, for those of ordinary skill in the art, without having to pay creative labor, can also be according to these accompanying drawings
Obtain other accompanying drawings.
Fig. 1 is a kind of structural representation of aerator on-line cleaning device of the present invention；
In Fig. 1,1 is aerated reaction pond, and 2 is gas skirt, and 3 is tail gas transfer tube, and 4 is oxygen transfer efficiency analyzer analyzer,
5 is PLC control unit, and 6 is the first holding wire, and 7 is dosing unit, and 8 is check-valves, and 9 is chemical feed pipe, and 10 is blower fan, and 11 is to expose
Air pipe, 12 is micro-hole aerator, and 13 is secondary signal line；
Fig. 2 is a kind of flow chart of aerator on-line cleaning method of the present invention；
Fig. 3 be the embodiment of the present invention have tactful and no tactful under OTE change schematic diagram.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation description is it is clear that described embodiment is only a part of embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of not making creative work
Embodiment, broadly falls into the scope of protection of the invention.
It is an object of the invention to provide a kind of aerator on-line cleaning device and method, realize efficient micropore expose device
Line cleans, and improves aeration efficiency, reduces workload cost-effective.
Understandable for enabling the above objects, features and advantages of the present invention to become apparent from, below in conjunction with the accompanying drawings and specifically real
The present invention is further detailed explanation to apply mode.
Fig. 1 is a kind of structural representation of the embodiment of aerator on-line cleaning device of the present invention.As shown in figure 1, should
Aerator on-line cleaning device includes：Aerated reaction pond 1, gas skirt 2, tail gas transfer tube 3 is that oxygen transfer efficiency analyzer measures
Instrument 4, PLC control unit 5, the first holding wire 6, dosing unit 7, check-valves 8, chemical feed pipe 9, blower fan 10, aerating pipelines 11, micropore
Aerator 12, secondary signal line 13.
Fig. 2 is a kind of flow chart of aerator on-line cleaning method of the present invention.As shown in Fig. 2 the method includes：
Step 201, the described oxygen transfer efficiency analyzer of unlatching are continuously carried out to the oxygen transfer efficiency in described aerated reaction pond
Detection, obtains oxygen transfer efficiency value A1, obtains oxygen transfer efficiency value B of described PLC control unit setting；
Step 202, judge that whether described oxygen transfer efficiency value A1 is less than described oxygen transfer efficiency value B, hold less than 20%
Row step step 202；
Step 203, described valve is opened by described PLC control unit, using air carrier, described formic acid liquid is conveyed
To described aerator, aerator is carried out；
Whether step 204, acquisition oxygen transfer efficiency value A2, judge described oxygen transfer efficiency value A2 more than described oxygen transfer effect
Rate value B, terminates more than 20% cleaning.
The invention has the beneficial effects as follows：On-line cleaning dress implementation of strategies due to the present invention makes water factory for aerator
Stopping state can be judged by the change of oxygen transfer efficiency, when need cleaning when, open check-valves, pump will clean acid solution
It is ejected in aerating pipelines by chemical feed pipe, under air force, acid solution pearl is taken to and be carried out at aerator micropore, thus
Effectively remove the dirty thing in aeration head, improve the aeration effect of aerator, reduce power consumption, save manually clear
Wash expense and working time, and improve work efficiency.
Embodiment one
A kind of Efficient micropore aeration system on-line cleaning strategy, including Aeration tank 1, gas skirt 2 is placed on Aeration tank 1, leads to
Cross tail gas transfer tube 3 to be connected with oxygen transfer efficiency analyzer 4, oxygen transfer efficiency analyzer 4 passes through the first holding wire 6 and PLC control
Unit 6 processed is connected, and dosing unit 7 accesses PLC control unit 6, dosing pipe 9 one end and dosing unit by secondary signal line 13
7 connections, the other end is connected with aerating pipelines, and aerating pipelines 11 one end is connected with blower fan 10, and the other end is connected with aerator 12,
Described check-valves 8 are located between chemical feed pipe 9.
When being embodied as, open OTE analyzer and continuously the oxygen transfer efficiency of Aeration tank is detected, when its measured value ratio
Initial value has no rise sign after reducing by 20%, and when OTE declines more apparent after increasing air quantity, shows that aeration head needs to be removed
Dirt cleaning, now opens check-valves 8, diluted acid cleanout fluid is sprayed into aerating pipelines 11 by dosing unit, and described formic acid liquid passes through air
Carrier is transported to aerator 12, until OTE analyzer 4 measured under identical aeration rate OTE value gradually rise to maximum and
Do not rising, showing that described aerator 12 is cleaned and complete.
Taking certain water factory as a example, its utilize OTE survey aerator oxygen transfer efficiency initial value be 14%, using this strategy with
Do not utilize the OTE change after running after a while of this strategy as shown in Figure 3：
Show in Fig. 3 that the oxygen transfer efficiency after using this strategy can increased after aerator cleaning, thus prolonging
The service life of long aerator, increases aerator efficiency, and fan energy consumption reduces 25% simultaneously, and the cost of purging system is then clear
Withdraw within one to two months after washing.
Specific case used herein is set forth to the principle of the present invention and embodiment, the saying of above example
Bright it is only intended to help and understands the method for the present invention and its core concept；Simultaneously for one of ordinary skill in the art, foundation
The thought of the present invention, all will change in specific embodiments and applications.In sum, this specification content is not
It is interpreted as limitation of the present invention.
Claims (9)
1. a kind of aerator cleaning device is it is characterised in that include：Aerated reaction pond, gas skirt, tail gas transfer tube, oxygen transfer
Efficiency test instrument, PLC control unit, the first holding wire, secondary signal line, dosing unit, check-valves, chemical feed pipe, blower fan, aeration
Pipeline, micro-hole aerator, dosing pump, cleanout fluid；
Described gas skirt floats on the liquid level in described aerated reaction pond；
One end of described tail gas transfer tube is connected with described gas skirt top, the other end and described oxygen transfer efficiency analyzer phase
Even；
Real-time oxygen transfer efficiency value is passed to described PLC by described first holding wire and controls list by described oxygen transfer efficiency analyzer
Unit；
Described PLC control unit connects dosing unit by described secondary signal line；
Described chemical feed pipe one end is connected with described dosing unit, and the other end is connected with gas delivery tube；
Described valve is located on described dosing pipe, and secondary signal line described in described valve connects described PLC control unit；
Described cleanout fluid is the formic acid liquid setting concentration；
Described dosing pump is used for carrying out quantitative output to cleanout fluid；
Described micro porous aeration head is placed in Aeration tank bottom, and the import of described micro porous aeration head is connected with described aerator.
2. aerator cleaning device according to claim 1 is it is characterised in that described gas skirt specifically includes：Metal master
Body and the base of quality of rubber materials.
3. aerator cleaning device according to claim 1 is it is characterised in that include：The specification of described gas skirt is
2590mm×1820mm×432mm.
4. aerator cleaning device according to claim 1 is it is characterised in that specifically include：Described tail gas transfer tube is even
The one end connecing described gas skirt is in the whole extreme lower position with pipeline, connect described oxygen transfer efficiency analyzer one end be in whole
With the extreme higher position of pipeline, prevent from condensing water slug pipeline.
5. aerator cleaning device according to claim 1 is it is characterised in that include：Described oxygen transfer efficiency analyzer
Measured value be less than initial value 20% when start to aerator implement cleaning.
6. aerator cleaning device according to claim 1 is it is characterised in that include：Described PLC control unit is west gate
Sub- s7-300.
7. aerator cleaning device according to claim 1 is it is characterised in that include：The concentration of described formic acid solution is
85%.
8. aerator cleaning device according to claim 1 is it is characterised in that also include：Described chemical feed pipe one end connects
Described pump, the other end accesses described aerating pipelines.
9. a kind of aerator cleaning method is it is characterised in that methods described is applied to described aerator cleaning device, including step
Suddenly：
A, the described oxygen transfer efficiency analyzer of unlatching continuously detect to the oxygen transfer efficiency in described aerated reaction pond, obtain oxygen
Transfer efficiency value A1, obtains oxygen transfer efficiency value B of described PLC control unit setting；
B, judge that whether described oxygen transfer efficiency value A1 is less than described oxygen transfer efficiency value B, less than 20% execution step C；
C, described valve is opened by described PLC control unit, using air carrier, described formic acid liquid is transported to described aeration
Device, is carried out to aerator；
D, acquisition oxygen transfer efficiency value A2, judge whether described oxygen transfer efficiency value A2 is more than described oxygen transfer efficiency value B, are more than
20% cleaning terminates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611079120.0A CN106396150A (en) | 2016-11-30 | 2016-11-30 | Device and method for cleaning aerator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611079120.0A CN106396150A (en) | 2016-11-30 | 2016-11-30 | Device and method for cleaning aerator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106396150A true CN106396150A (en) | 2017-02-15 |
Family
ID=58084849
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611079120.0A Pending CN106396150A (en) | 2016-11-30 | 2016-11-30 | Device and method for cleaning aerator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106396150A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107827254A (en) * | 2017-11-16 | 2018-03-23 | 中持水务股份有限公司 | On-line cleaning formula aerating system and its cleaning method |
| CN108178342A (en) * | 2018-02-27 | 2018-06-19 | 北京伊柏机电设备有限公司 | The chemicals dosing plant and aerator of a kind of aerator |
| CN108862570A (en) * | 2018-07-24 | 2018-11-23 | 黄志优 | A kind of self-cleaning aeration tank with brush-wash function |
| CN116099810A (en) * | 2021-08-06 | 2023-05-12 | 广东汇祥环境科技有限公司 | Cleaning system and cleaning method for efficiently cleaning aerator |
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| CN103278344A (en) * | 2013-05-20 | 2013-09-04 | 中国人民大学 | Comprehensive oxygenating performance determinator for aerator under technological state |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107827254A (en) * | 2017-11-16 | 2018-03-23 | 中持水务股份有限公司 | On-line cleaning formula aerating system and its cleaning method |
| CN107827254B (en) * | 2017-11-16 | 2021-01-08 | 中持水务股份有限公司 | Online cleaning type aeration system and cleaning method thereof |
| CN108178342A (en) * | 2018-02-27 | 2018-06-19 | 北京伊柏机电设备有限公司 | The chemicals dosing plant and aerator of a kind of aerator |
| CN108862570A (en) * | 2018-07-24 | 2018-11-23 | 黄志优 | A kind of self-cleaning aeration tank with brush-wash function |
| CN108862570B (en) * | 2018-07-24 | 2021-05-14 | 湖州光正水质净化有限公司 | Self-cleaning aeration tank with scrubbing function |
| CN116099810A (en) * | 2021-08-06 | 2023-05-12 | 广东汇祥环境科技有限公司 | Cleaning system and cleaning method for efficiently cleaning aerator |
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Application publication date: 20170215 |