CN204369641U - A kind of digitizing micro-oxygen energy-saving and aerating device - Google Patents
A kind of digitizing micro-oxygen energy-saving and aerating device Download PDFInfo
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- CN204369641U CN204369641U CN201420785035.6U CN201420785035U CN204369641U CN 204369641 U CN204369641 U CN 204369641U CN 201420785035 U CN201420785035 U CN 201420785035U CN 204369641 U CN204369641 U CN 204369641U
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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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Abstract
The utility model discloses a kind of digitizing micro-oxygen energy-saving and aerating device, it belongs to micro-oxygen Technology field of sewage disposal.Many micro-pore aeration arms are arranged vertically according to the gradient direction of dissolved oxygen in aeration tank, the inlet mouth of every root micro-pore aeration arm is all provided with degree adjustment valve, the installation DO dissolved oxygen meter that the water surface in the aeration tank with micro-pore aeration arm is also corresponding, the bottom of every root micro-pore aeration arm is connected with aeration house steward, and the bottom of aeration house steward is connected with several gas blower.Its reasonable in design, on the basis of traditional A20 technique, water intake mode changes multipoint water feeding into, utilizes accurate aeration to control, and realizes the nitration reaction of short distance, improve the effect of former denitrogenation dephosphorizing, and select novel pipe micro-hole aerator simultaneously, provide coefficient of oxygen utilization to reach energy-conservation object, reach effective dissolved oxygen simultaneously and control, meet the requirement of denitrogenation dephosphorizing, reach again town sewage plant and carry target emission request.
Description
Technical field:
The utility model relates to a kind of digitizing micro-oxygen energy-saving and aerating device, belongs to micro-oxygen Technology field of sewage disposal.
Background technology:
Current municipal sewage treatment all adopts biochemical processing process, and maintaining aerobic environment by aeration is one of them very important link.Traditional aerating system have employed the simple control loop of two classes to be come automatically or Artificial Control aeration, sees Fig. 1.Shortcoming is: one is due to time lag, namely from aeration to pond DO change need for some time, cause the control of dissolved oxygen to fluctuate very large; Two is that traditional method energy consumption is high, and in order to ensure safe operation, the DO set(ting)value of system can only remain on numerically higher, maintains excessive remaining and causes waste; Three is that excessive fluctuation can make the coenocorrelation in pond unstable, the work of interference biosystem.Four is that in biochemistry pool, the oxyty of sewage is not equilibrium value, but along with water (flow) direction is in change, curved downward trend, therefore, traditional control method is difficult to the requirement meeting micro-oxygen technique.
Utility model content:
For the problems referred to above, the technical problems to be solved in the utility model is to provide a kind of digitizing micro-oxygen energy-saving and aerating device.
The utility model digitizing micro-oxygen energy-saving and aerating device, digitizing micro-oxygen energy-saving and aerating device comprises aeration tank a, gas blower 1, aeration house steward 2, degree adjustment valve 3, micro-pore aeration arm 4 and DO dissolved oxygen meter 5, many micro-pore aeration arms 4 are arranged vertically according to the gradient direction of dissolved oxygen in a of aeration tank, the inlet mouth of every root micro-pore aeration arm 4 is all provided with degree adjustment valve 3, at the installation DO dissolved oxygen meter 5 that the water surface of the aeration tank a with micro-pore aeration arm 4 is also corresponding, the bottom of every root micro-pore aeration arm 4 is connected with aeration house steward 2, and the bottom of aeration house steward 2 is connected with several gas blower 1.
As preferably, described digitizing micro-oxygen energy-saving and aerating device also comprises principal controller 6, frequency transformer 7 and submaster controller 8, principal controller 6, frequency transformer 7 and gas blower 1 form closed loop control system, degree adjustment valve 3 and submaster controller 8 form closed loop control system, as preferably, described principal controller 6 is that the numerical difference that detects according to given dissolved oxygen and online dissolved oxygen meter is as input, send steering order to drive frequency transformer 7 through motion, frequency transformer 7 sends the electric current of frequency-adjustable to control gas blower 1; Described submaster controller 8 carries out computing according to the dissolved oxygen of inner loop feedback and the given dissolved oxygen numerical difference of inner loop as input, sends corresponding steering order to control the aperture of degree adjustment valve 3.
As preferably, described gas blower 1 adopts variable frequency control, and the specification that gas blower 1 is arranged is determined according to the requirement of air feed.As preliminary election, described every root micro-pore aeration arm 4 perforate on the diaphragm of its φ 50-φ 90, the diameter of its perforate is 1.0mm, and generation bubble diameter is maintained between 1.0-1.5mm.
The control principle of further digitizing micro-oxygen energy-saving and aerating device is: the control objectives value that artificially can set a given DO at the water inlet debugging initial stage, gas blower 1 can be set as specified air output, by the aperture of automatic closed loop adjustment degree adjustment valve 3, make the dissolved oxygen numerical value of each section in pond basically identical, remain on ± 5% scope within, principal controller 6 can record the aperture of each degree adjustment valve 3, when index of intaking does not have especially big change, does not need to change opening value; Because degree adjustment valve 3 is fast compared with the governing speed of gas blower 1, the amplitude of accommodation is limited, therefore the mode of compound closed-loop control can be adopted, namely the degree adjustment valve 3 of fast-response is regulated the control of dissolved oxygen as inner loop by aperture, and the larger gas blower 1 of low-response, the amplitude of accommodation changes outlet air quantity by frequency adjustment, the frequency of gas blower 1 to the control of dissolved oxygen as main ring, comprehensively analyze according to the water inlet flow of history and water-quality guideline, set up expert system database, as feedforward, dissolved oxygen is controlled.
The beneficial effects of the utility model: it can overcome the drawback of prior art, reasonable in design, on the basis of traditional A20 technique, water intake mode changes multipoint water feeding into, accurate aeration is utilized to control, realize the nitration denitrification reaction of short distance, improve the effect of former denitrogenation dephosphorizing, and select novel pipe micro-hole aerator simultaneously, there is provided coefficient of oxygen utilization to reach energy-conservation object, reach effective dissolved oxygen to control simultaneously, meet the requirement of denitrogenation dephosphorizing, reach again town sewage plant and carry target emission request.
Accompanying drawing illustrates:
For ease of illustrating, the utility model is described in detail by following concrete enforcement and accompanying drawing.
Fig. 1 is dissolved oxygen feedback control figure structure schematic representation traditional in the utility model background technology.
Fig. 2 is structural representation of the present utility model;
Fig. 3 is control principle structural representation of the present utility model.
Embodiment:
As Figure 2-3, this embodiment is by the following technical solutions: digitizing micro-oxygen energy-saving and aerating device comprises aeration tank a, gas blower 1, aeration house steward 2, degree adjustment valve 3, micro-pore aeration arm 4 and DO dissolved oxygen meter 5, many micro-pore aeration arms 4 are arranged vertically according to the gradient direction of dissolved oxygen in a of aeration tank, the inlet mouth of every root micro-pore aeration arm 4 is all provided with degree adjustment valve 3, at the installation DO dissolved oxygen meter 5 that the water surface of the aeration tank a with micro-pore aeration arm 4 is also corresponding, the bottom of every root micro-pore aeration arm 4 is connected with aeration house steward 2, and the bottom of aeration house steward 2 is connected with several gas blower 1.
As preferably, described digitizing micro-oxygen energy-saving and aerating device also comprises principal controller 6, frequency transformer 7 and submaster controller 8, and principal controller 6, frequency transformer 7 and gas blower 1 form closed loop control system, and degree adjustment valve 3 and submaster controller 8 form closed loop control system.
As preferably, described principal controller 6 be the numerical difference that detects according to given dissolved oxygen and online dissolved oxygen meter as input, send steering order to drive frequency transformer 7 through motion, frequency transformer 7 sends the electric current of frequency-adjustable to control gas blower 1; Described submaster controller 8 carries out computing according to the dissolved oxygen of inner loop feedback and the given dissolved oxygen numerical difference of inner loop as input, sends corresponding steering order to control the aperture of degree adjustment valve 3.
As preferably, described gas blower 1 adopts variable frequency control, and the specification that gas blower 1 is arranged is determined according to the requirement of air feed.
As preliminary election, described every root micro-pore aeration arm 4 perforate on the diaphragm of its φ 50-φ 90, the diameter of its perforate is 1.0mm, and generation bubble diameter is maintained between 1.0-1.5mm.
The control principle of further digitizing micro-oxygen energy-saving and aerating device is: the control objectives value that artificially can set a given DO at the water inlet debugging initial stage, gas blower 1 can be set as specified air output, by the aperture of automatic closed loop adjustment degree adjustment valve 3, make the dissolved oxygen numerical value of each section in pond basically identical, remain on ± 5% scope within, principal controller 6 can record the aperture of each degree adjustment valve 3, when index of intaking does not have especially big change, does not need to change opening value; Because degree adjustment valve 3 is fast compared with the governing speed of gas blower 1, the amplitude of accommodation is limited, therefore the mode of compound closed-loop control can be adopted, namely the degree adjustment valve 3 of fast-response is regulated the control of dissolved oxygen as inner loop by aperture, and the larger gas blower 1 of low-response, the amplitude of accommodation changes outlet air quantity by frequency adjustment, the frequency of gas blower 1 to the control of dissolved oxygen as main ring, comprehensively analyze according to the water inlet flow of history and water-quality guideline, set up expert system database, as feedforward, dissolved oxygen is controlled.
More than show and describe ultimate principle of the present utility model and principal character and advantage of the present utility model.The technician of the industry should understand; the utility model is not restricted to the described embodiments; what describe in above-described embodiment and specification sheets just illustrates principle of the present utility model; under the prerequisite not departing from the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall within the scope of claimed the utility model.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (4)
1. digitizing micro-oxygen energy-saving and aerating device, it is characterized in that: it comprises aeration tank (a), gas blower (1), aeration house steward (2), degree adjustment valve (3), micro-pore aeration arm (4) and DO dissolved oxygen meter (5), many micro-pore aeration arms (4) are arranged vertically according to the gradient direction of dissolved oxygen in aeration tank (a), the inlet mouth of every root micro-pore aeration arm (4) is all provided with degree adjustment valve (3), at the installation DO dissolved oxygen meter (5) that the water surface of the aeration tank (a) with micro-pore aeration arm (4) is also corresponding, the bottom of every root micro-pore aeration arm (4) is connected with aeration house steward (2), and the bottom of aeration house steward (2) is connected with several gas blower (1).
2. a kind of digitizing according to claim 1 micro-oxygen energy-saving and aerating device, it is characterized in that: it also comprises principal controller (6), frequency transformer (7) and submaster controller (8), principal controller (6), frequency transformer (7) and gas blower (1) composition closed loop control system, degree adjustment valve (3) and submaster controller (8) composition closed loop control system.
3. a kind of digitizing according to claim 1 micro-oxygen energy-saving and aerating device, is characterized in that: described gas blower (1) adopts variable frequency control, and the specification that gas blower (1) is arranged is determined according to the requirement of air feed.
4. a kind of digitizing according to claim 1 micro-oxygen energy-saving and aerating device, it is characterized in that: described every root micro-pore aeration arm (4) perforate on the diaphragm of its φ 50-φ 90, the diameter of its perforate is 1.0mm, and generation bubble diameter is maintained between 1.0-1.5mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420785035.6U CN204369641U (en) | 2014-12-12 | 2014-12-12 | A kind of digitizing micro-oxygen energy-saving and aerating device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201420785035.6U CN204369641U (en) | 2014-12-12 | 2014-12-12 | A kind of digitizing micro-oxygen energy-saving and aerating device |
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| CN204369641U true CN204369641U (en) | 2015-06-03 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106045012A (en) * | 2016-07-13 | 2016-10-26 | 农业部沼气科学研究所 | Micropower slow-release type aeration structure and method |
| CN106386644A (en) * | 2016-08-29 | 2017-02-15 | 北海市铁山港区华俊养殖有限公司 | Oxygen supply device used for aquaculture |
-
2014
- 2014-12-12 CN CN201420785035.6U patent/CN204369641U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106045012A (en) * | 2016-07-13 | 2016-10-26 | 农业部沼气科学研究所 | Micropower slow-release type aeration structure and method |
| CN106386644A (en) * | 2016-08-29 | 2017-02-15 | 北海市铁山港区华俊养殖有限公司 | Oxygen supply device used for aquaculture |
| CN106386644B (en) * | 2016-08-29 | 2019-03-19 | 北海市铁山港区华俊养殖有限公司 | Oxygen supply device for aquaculture |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 201401 Shanghai, Fengxian District, Shanghai Hangzhou highway 655-659, 2, two Patentee after: Lianji Technology Group Co., Ltd Address before: 201401 Shanghai, Fengxian District, Shanghai Hangzhou highway 655-659, 2, two Patentee before: LIANJI HIGH TECHNOLOGY (SHANGHAI) CO., LTD. |
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| CP01 | Change in the name or title of a patent holder |