CN204824318U - A aeration systems for sewage treatment - Google Patents
A aeration systems for sewage treatment Download PDFInfo
- Publication number
- CN204824318U CN204824318U CN201520542581.1U CN201520542581U CN204824318U CN 204824318 U CN204824318 U CN 204824318U CN 201520542581 U CN201520542581 U CN 201520542581U CN 204824318 U CN204824318 U CN 204824318U
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- Prior art keywords
- dissolved oxygen
- sewage
- magnetic suspension
- blower
- suspension air
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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
- 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
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- Activated Sludge Processes (AREA)
Abstract
The utility model provides an aeration systems for sewage treatment, includes immersion dissolved oxygen appearance, control cabinet, converter and magnetic suspension air -blower, wherein immersion dissolved oxygen appearance is connected with the control cabinet, is equipped with the sensor of gathering effluent water sump dissolved oxygen volume in immersion dissolved oxygen appearance, the control cabinet is connected with the converter, the converter is connected and control drive magnetic suspension air -blower, exhaust duct in the magnetic suspension air -blower lets in in the effluent water sump. The dissolved oxygen volume in the effluent water sump is gathered in real time to immersion dissolved oxygen appearance to measure data transmitted in a real -time to control cabinet with the dissolved oxygen, control signal is exported with the data of feedback to the converter according to gathering to the control cabinet, and the converter changes the air output of magnetic suspension air -blower in to the effluent water sump according to above -mentioned control signal, in order to realize the accurate control to dissolved oxygen volume in the sewage. The magnetic suspension air -blower has completely without oil and the fricative advantage of zero machinery in addition, can effectively reduce the energy consumption. In addition, because gas is cleaner, the survival rate of sewage purification thallus has been improved to the lifting sewage purifying rate.
Description
Technical field
The utility model relates to the technical field of sewage disposal, is specifically a kind ofly accurately to control sewage dissolved oxygen amount thus improve the aerating system for sewage disposal of sewage purification rate.
Background technology
Generally all comprise biological treatment stage in the treatment process of sewage, and aeration is an important step in biological treatment process.In biological treatment process, the aeration rate in sewage lagoon needs to carry out adjusting and controlling, if aeration rate is not enough, can causes sludge bulking, affect effluent quality; Aeration rate is excessive, can cause mud solution wadding emersion, cause energy dissipation simultaneously, increase processing cost.
At present because blast aeration technique has simple and convenient management, the advantage such as reliable and generally being used by most sewage work, being in operation changes aeration effect by the air output changing gas blower.But existing aeration control also rests on artificial manual basis, when operational conditions is fixed, operator, according to operating experience, open the gas blower of some amount, or open by the cycle, if effluent quality does not occur for a long time, significantly fluctuation, aeration mode can not be changed easily; And when operational conditions change, need regulate aeration rate time, because manual operation does not have the foundation of quantification, then need again to make repeated attempts, cause the too high or too low situation of dissolved oxygen amount in sewage lagoon frequently to occur, cause effluent quality unstable, and cause energy wastage.In addition, in the blast aeration technique of prior art, roots blower is usually adopted to carry out air output, but because roots blower is cast-iron structure, its working accuracy is lower, and in operation process, noise is large, efficiency is low, and have oil impregnate hidden danger, be unfavorable for that the purification thalline in aeration process survives.
Utility model content
The technical problems to be solved in the utility model is to provide and a kind ofly accurately can controls sewage dissolved oxygen amount thus improve the aerating system for sewage disposal of sewage purification rate.
The technical scheme that the utility model is taked for the technical problem existed in solution known technology is:
Aerating system for sewage disposal of the present utility model, comprises immerseable dissolved oxygen meter, supervisory control desk, frequency transformer and magnetic suspension air blower; Wherein immerseable dissolved oxygen meter is connected with supervisory control desk, is provided with the sensor gathering dissolved oxygen amount in sewage lagoon in immerseable dissolved oxygen meter; Supervisory control desk is connected with frequency transformer; Frequency transformer connects and controls to drive magnetic suspension air blower; The gas exhaust duct be passed in sewage lagoon is set in magnetic suspension air blower.
The utility model also can adopt following technical measures:
Under described sensor is inserted into the liquid level in sewage lagoon.
Under described gas exhaust duct is passed into the liquid level in sewage lagoon.
The advantage that the utility model has and positively effect are:
Of the present utility model in the aerating system of sewage disposal, dissolved oxygen amount in immerseable dissolved oxygen meter Real-time Collection sewage lagoon, and by dissolved oxygen amount real-time data transmission to supervisory control desk, supervisory control desk exports control signal according to the data gathered and feed back to frequency transformer, frequency transformer changes the rotating speed of magnetic suspension air blower again according to above-mentioned control signal, thus change magnetic suspension air blower to the air output in sewage lagoon, to realize the accurate control to dirty dissolved oxygen in water.When the dissolved oxygen amount in sewage lagoon is lower than standard value, supervisory control desk transmits control signal to frequency transformer and the rotating speed of magnetic suspension air blower is increased, thus increase air work output; And when the dissolved oxygen amount in sewage lagoon exceedes nominal standard value, supervisory control desk again transmits control signal and the rotating speed of magnetic suspension air blower is reduced, thus reduce to the air output in sewage lagoon, and then the dissolved oxygen amount in sewage is made to remain in standard range, to ensure to purify the stable of rear water quality.Magnetic suspension air blower has the advantage of oil-free and zero mechanical friction in addition, and relatively existing aeration process can effectively reduce by 30% energy consumption.In addition, the foreign matter content in air can also be reduced, make expellant gas more clean, thus improve the surviving rate of sewage purification thalline, with lifting sewage purification rate.
Accompanying drawing explanation
Fig. 1 is the structural representation of the aerating system for sewage disposal of the present utility model.
Embodiment
As shown in Figure 1, the aerating system for sewage disposal of the present utility model, comprises immerseable dissolved oxygen meter, supervisory control desk, frequency transformer and magnetic suspension air blower; Wherein immerseable dissolved oxygen meter is connected with supervisory control desk, is provided with the sensor 1 gathering dissolved oxygen amount in sewage lagoon in immerseable dissolved oxygen meter, under sensor is inserted into the sewage level of sewage lagoon 3, measures the dissolved oxygen amount in water; Supervisory control desk is connected with frequency transformer; Frequency transformer connects and controls to drive magnetic suspension air blower; Arrange the gas exhaust duct 2 be passed in sewage lagoon 3 in magnetic suspension air blower, vapor pipe road junction is under the liquid level of sewage lagoon, and air directly enters into sewage by gas exhaust duct, completes aeration.
At the aerating system for sewage disposal of the present utility model operationally, the sensor of immerseable dissolved oxygen meter is inserted in sewage lagoon, gathers the dissolved oxygen amount signal in water; This dissolved oxygen amount simulating signal is converted into standard signal after the process of immerseable dissolved oxygen meter, as the transmission signal of 4-20Ma, and above-mentioned standard signal is transferred to supervisory control desk; Supervisory control desk connects immerseable dissolved oxygen meter and frequency transformer respectively, supervisory control desk receives dirty dissolved oxygen in water standard signal on the one hand, also to receive on the other hand from signals such as the operation of frequency transformer, stopping, fault and frequency feedback, the control signal that supervisory control desk sends to frequency transformer according to the signal adjustment of in real time input, as the start and stop of frequency transformer, rotating and output frequency etc.; And the control signal that frequency transformer complies with control console changes the three-phase alternating current frequency exporting magnetic suspension air blower to; Magnetic suspension air blower improves or reduces self rotating speed under the driving of frequency transformer, to change to the air output in sewage lagoon, thus realizes the accurate control to dissolved oxygen amount in sewage lagoon.
When the dissolved oxygen amount in sewage lagoon is lower than standard value, supervisory control desk transmits control signal to frequency transformer and the rotating speed of magnetic suspension air blower is increased, thus increase air work output; And when the dissolved oxygen amount in sewage lagoon exceedes nominal standard value, supervisory control desk again transmits control signal and the rotating speed of magnetic suspension air blower is reduced, thus reduce to the air output in sewage lagoon, and then the dissolved oxygen amount in sewage is made to remain in standard range, to ensure to purify the stable of rear water quality.
The above, it is only preferred embodiment of the present utility model, not any pro forma restriction is done to the utility model, although the utility model with preferred embodiment openly as above, but, and be not used to limit the utility model, any those skilled in the art, do not departing within the scope of technical solutions of the utility model, certainly the technology contents of announcement can be utilized to make a little change or modification, become the Equivalent embodiments of equivalent variations, in every case be the content not departing from technical solutions of the utility model, according to any simple modification that technical spirit of the present utility model is done above embodiment, equivalent variations and modification, all belong in the scope of technical solutions of the utility model.
Claims (3)
1. for an aerating system for sewage disposal, it is characterized in that: comprise immerseable dissolved oxygen meter, supervisory control desk, frequency transformer and magnetic suspension air blower; Wherein immerseable dissolved oxygen meter is connected with supervisory control desk, is provided with the sensor gathering dissolved oxygen amount in sewage lagoon in immerseable dissolved oxygen meter; Supervisory control desk is connected with frequency transformer; Frequency transformer connects and controls to drive magnetic suspension air blower; The gas exhaust duct be passed in sewage lagoon is set in magnetic suspension air blower.
2. the aerating system for sewage disposal according to claim 1, is characterized in that: under sensor is inserted into the liquid level in sewage lagoon.
3. the aerating system for sewage disposal according to claim 1 and 2, is characterized in that: under gas exhaust duct is passed into the liquid level in sewage lagoon.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520542581.1U CN204824318U (en) | 2015-07-24 | 2015-07-24 | A aeration systems for sewage treatment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520542581.1U CN204824318U (en) | 2015-07-24 | 2015-07-24 | A aeration systems for sewage treatment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204824318U true CN204824318U (en) | 2015-12-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520542581.1U Active CN204824318U (en) | 2015-07-24 | 2015-07-24 | A aeration systems for sewage treatment |
Country Status (1)
| Country | Link |
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| CN (1) | CN204824318U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112901544A (en) * | 2021-01-25 | 2021-06-04 | 大连理工大学 | Intelligent control system and control method for air suspension aeration fan based on oxygen content requirement of sewage pool |
| CN113754049A (en) * | 2021-09-09 | 2021-12-07 | 广汽丰田汽车有限公司 | Biochemical pool aeration device, sewage treatment method, system and storage medium |
-
2015
- 2015-07-24 CN CN201520542581.1U patent/CN204824318U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112901544A (en) * | 2021-01-25 | 2021-06-04 | 大连理工大学 | Intelligent control system and control method for air suspension aeration fan based on oxygen content requirement of sewage pool |
| CN113754049A (en) * | 2021-09-09 | 2021-12-07 | 广汽丰田汽车有限公司 | Biochemical pool aeration device, sewage treatment method, system and storage medium |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |