CN109534493B - Sewage treatment aeration precise control system and control method thereof - Google Patents
Sewage treatment aeration precise control system and control method thereof Download PDFInfo
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- CN109534493B CN109534493B CN201910042268.4A CN201910042268A CN109534493B CN 109534493 B CN109534493 B CN 109534493B CN 201910042268 A CN201910042268 A CN 201910042268A CN 109534493 B CN109534493 B CN 109534493B
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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
- C02F3/02—Aerobic processes
- C02F3/12—Activated sludge processes
- C02F3/1278—Provisions for mixing or aeration of the mixed liquor
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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
- C02F2209/03—Pressure
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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
- C02F2209/22—O2
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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
- C02F2209/42—Liquid level
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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 invention discloses an aeration precise control system for sewage treatment and a control method thereof, wherein the system comprises a plurality of CAST pools, a blower controller, an aeration main pipe, a plurality of liquid level sensors, a dissolved oxygen detection sensor and a main controller; wherein, the one end of each aeration main pipe is connected with the output of blower controller, the other end of each aeration main pipe is connected with a single-tank aeration main branch pipe, the part of each single-tank aeration main branch pipe extending into the corresponding CAST tank is connected with a plurality of single-tank aeration branch pipes, each aeration branch pipe is connected with a plurality of single-tank aeration discs, each aeration main pipe is connected with a flow meter, the part of each single-tank aeration main branch pipe extending out of the CAST tank is connected with a single-tank aeration regulating valve, the part of each single-tank aeration main branch pipe extending out of the CAST tank is connected with a branch pressure detector, and a total pressure detector is connected between all the aeration branch pipes. The invention improves the detection precision.
Description
Technical Field
The invention relates to the technical field of precise control, in particular to an aeration precise control system for sewage treatment and a control method thereof.
Background
The aeration link in the sewage treatment is the main link of the CAST biodegradation process (expressed as a periodic cycle activated sludge treatment process), so the quality of aeration control directly influences the CAST biological activity and the biological degradation capability of sewage; and the air blower of the air source supply equipment of the aeration system is the main energy consumption equipment of the sewage treatment plant, and if the CAST biodegradation process is finely regulated and controlled for aeration, energy conservation and consumption reduction can be realized. In addition, when the number of CAST tanks is large, surge easily occurs, uneven distribution and other phenomena easily occur in aeration among multiple tanks, so that aeration quantity of partial tanks cannot be completely met, and finally bioactivity is reduced.
Disclosure of Invention
The invention aims to solve the defects of the prior art and provide an aeration precise control system for sewage treatment and a control method thereof. The invention realizes automatic and accurate aeration control and improves the timeliness of regulation and control; in addition, how to ensure the safety of the blower system under the condition that different oxygen requirements are met in all time periods of the multi-tank body is solved; the problems of biological difference and aeration equipment difference of each pool body in the multi-pool body are solved, and the simultaneous aeration uniformity of the multi-pool body is finally ensured; so as to ensure the accurate control of the aeration quantity of the CAST tank and finally realize the advantages of energy conservation and consumption reduction of the system.
In order to achieve the purpose, the invention designs an aeration precise control system for sewage treatment, which comprises more than one CAST tank and also comprises the following components:
a blower controller for compressing the atmosphere to form an aeration gas source;
more than one aeration main pipe;
the number of the liquid level sensors is the same as that of the CAST tanks and the liquid level sensors are respectively arranged in each corresponding CAST tank;
dissolved oxygen detection sensors which are the same as the CAST tanks in number and are respectively arranged in each CAST tank correspondingly;
a main controller for performing fine aeration control on each CAST tank;
wherein, one end of each aeration main pipe is connected with the output of the blower controller, the other end of each aeration main pipe is connected with a single-tank aeration main branch pipe with a part extending into a corresponding CAST tank, the part extending into the corresponding CAST tank on each single-tank aeration main branch pipe is connected with more than one single-tank aeration branch pipe, each aeration branch pipe is connected with more than one single-tank aeration disc, each aeration main pipe is connected with a flow meter, the part extending out of the CAST tank on each single-tank aeration main branch pipe is connected with a single-tank aeration regulating valve, the part extending out of the CAST tank on each single-tank aeration main branch pipe is connected with a branch pressure detector relative to the rear part of the single-tank aeration regulating valve, a total pressure detector, a total pressure regulating valve, a single-tank aeration regulating valve, a branch pressure detector, a total pressure regulating valve, a single-tank aeration branch pressure detector, a single-aeration branch pipe, a plurality of aeration branch pipes and a plurality of aeration pipes, The flowmeter, the liquid level sensor and the dissolved oxygen detection sensor are in signal connection with the main controller.
Further, in order to improve the aeration effect, the single-tank aeration disc is positioned below the liquid level of the CAST tank and close to the bottom of the tank.
Further, for convenience of adjustment, the single-tank aeration adjusting valve is a slow-speed adjusting type adjusting valve with the full opening and closing time being more than second.
Further, for convenience of operation, the blower controller is a remote control type blower capable of adjusting air volume.
And furthermore, the real-time data monitoring effect is improved, an online monitoring instrument for monitoring the front-end pressure of the aeration disc of the single tank is connected to the aeration regulating valve of the single tank, and the online monitoring instrument is connected with the air blower controller.
The invention also discloses a control method of the sewage treatment aeration precise control system, which is characterized by comprising the following steps:
A. presetting a rising exposure Pdnset value and a full exposure pressure Pdnset value of each CAST pool and upper and lower pressure limit values for safe operation of a blower;
B. then, taking a week as a period, and setting the initial opening degree of the aeration of the single-pond aeration regulating valve in the first day of the period on the first day of each period;
C. then, a branch pressure detector arranged at the rear end of the aeration regulating valve of each CAST pool is obtained in real time through the main controller to obtain a corresponding branch pressure detection value Pn in each pool, meanwhile, the numerical value of a liquid level sensor in each CAST pool is obtained in real time through the main controller to serve as a liquid level value Leveln in the corresponding CAST pool, and then the inlet and outlet pressure difference value of the aeration disc of the tank is calculated according to a formula:
Pdn= Pn -Leveln （1-1）
n in the above formula represents the label of the corresponding CAST pool;
D. controlling the opening value Vn of the single-tank aeration regulating valve corresponding to each tank according to the pressure difference Pdn between the inlet and the outlet, sending the opening value Vn into the corresponding single-tank aeration regulating valve to control the real-time intensity of single-tank aeration, and taking the time when Pdnset < Pdn < as a micro-aeration mode; taking Pdn Pdnset as a full aeration mode;
E. and then controlling the air outlet volume and linkage operation of the blower system according to the opening value Vn of each aeration valve and the air main pressure value PZ detected by the total pressure detector: when the opening value Vn of the single-tank aeration valve is close to the full degree and is delayed to a set time, judging whether the PZ reaches the upper safety limit or not, and gradually and slowly adjusting the air blower to increase the air outlet pressure value PZ of the air blower when the PZ does not reach the upper safety limit; when the opening value Vn of the single-tank aeration valve is reduced, detecting and judging whether the PZ approaches to reach the upper safety limit, if so, forbidding the adjustment of the aeration valve, gradually adjusting the air blower to reduce the air outlet pressure value PZ of the air blower, and when the difference between the upper safety limit pressure and the PZ is greater than a safety set threshold value, restoring the adjustment of the aeration valve; when the dissolved oxygen of each pool reaches a set value and exceeds the set stabilization time, the outlet pressure value PZ of the blower is gradually and slowly adjusted downwards, and finally, accurate control is realized.
Further, in order to improve the monitoring precision, the initial aeration opening degree of the period needs to be preset in the step, all aeration values of the previous period are obtained in real time through the main controller, then the average opening degree value of the aeration valve of the previous period is calculated to be used as the initial aeration opening degree of the period, and then the single aeration value of the single-tank aeration regulating valve of each tank is automatically regulated to be used as the next aeration value of the initial aeration value by using PID or fuzzy control after dissolved oxygen DoIT in the CAST tank.
Furthermore, in order to facilitate later data query, the main controller stores the detection data of each time in real time in the step.
According to the sewage treatment aeration precise control system and the control method thereof, automatic and precise aeration control is realized, and the timeliness of regulation and control is improved; in addition, how to ensure the safety of the blower system under the condition that different oxygen requirements are met in all time periods of the multi-tank body is solved; the problems of biological difference and aeration equipment difference of each pool body in the multi-pool body are solved, and the simultaneous aeration uniformity of the multi-pool body is finally ensured; so as to ensure the accurate control of the aeration quantity of the CAST tank and finally realize the advantages of energy conservation and consumption reduction of the system.
Description of the drawings:
FIG. 1 is a schematic view showing the construction of a precise control system for aeration in wastewater treatment according to example 1;
FIG. 2 is a schematic flow chart of a control method of the precise control system for aeration of wastewater treatment in example 1.
In the reference symbols: the system comprises a CAST tank 1, a blower controller 2, an aeration main pipe 3, a liquid level sensor 4, a dissolved oxygen detection sensor 5, a main controller 6, a single-tank aeration main branch pipe 7, a single-tank aeration branch pipe 8, a single-tank aeration disc 9, a single-tank aeration adjusting valve 10, a branch pressure detector 11, a total pressure detector 12, a flowmeter 13 and an online monitoring instrument 14.
Detailed Description
The invention will be further described with reference to the following examples.
Example 1:
as shown in fig. 1 and fig. 2, the precise aeration control system for sewage treatment provided by this embodiment includes more than one CAST pool 1, which further includes the following components:
a blower controller 2 for compressing the atmosphere to form an aeration gas source;
more than one aeration main pipe 3;
the number of the liquid level sensors 4 is the same as that of the CAST pools 1 and the liquid level sensors are respectively arranged in each CAST pool 1;
dissolved oxygen detection sensors 5 which are the same as the number of the CAST pools 1 and are respectively arranged in each CAST pool 1;
a main controller 6 for performing fine aeration control on each CAST tank 1;
wherein, one end of each aeration main pipe 3 is connected with the output of the blower controller 2, the other end of each aeration main pipe 3 is connected with a single-tank aeration main branch pipe 7 with a part extending into a corresponding CAST tank 1, the part of each single-tank aeration main branch pipe 7 extending into the corresponding CAST tank 1 is connected with more than one single-tank aeration branch pipe 8, each aeration branch pipe is connected with more than one single-tank aeration disc 9, each aeration main pipe 3 is connected with a flow meter 13, the part of each single-tank aeration main branch pipe 7 extending out of the CAST tank 1 is connected with a single-tank aeration regulating valve 10, the part of each single-tank aeration main branch pipe 7 extending out of the CAST tank 1 is connected with a branch pressure detector 11 relative to the rear part of the single-tank aeration regulating valve 10, a total pressure detector 12 is connected between all the aeration branch pipes, and the branch pressure detector 11, The total pressure detector 12, the single-tank aeration regulating valve 10, the flowmeter 13, the liquid level sensor 4 and the dissolved oxygen detection sensor 5 are in signal connection with the main controller 6.
Further, the single-tank aeration tray 9 is located below the liquid level of the CAST tank 1 and near the bottom of the tank in order to improve the aeration effect.
Further, for convenience of adjustment, the single-tank aeration control valve 10 is a slow adjustment type control valve having a full open/close time of 90 seconds or more.
Further, for convenience of operation, the blower controller 2 is a remote control type blower capable of adjusting the air volume.
Further, the real-time data monitoring effect is improved, an online monitoring instrument 14 for monitoring the pressure at the front end of the aeration disc 9 of the single tank is connected to the aeration regulating valve 10 of the single tank, and the online monitoring instrument 14 is connected with the blower controller 2.
The invention also discloses a control method of the sewage treatment aeration precise control system, which is characterized by comprising the following steps:
A. presetting a rising exposure Pdnset1 value and a full exposure pressure Pdnset2 value of each CAST pool 1 and upper and lower pressure limit values for safe operation of a blower;
B. then, taking a week as a period, and setting the initial opening degree of the aeration of the single-tank aeration regulating valve 10 in the first day of the period on the first day of each period;
C. then, the main controller 6 acquires the branch pressure detector 11 arranged at the rear end of the aeration regulating valve 10 of each CAST pool 1 in real time to acquire the corresponding branch pressure detection value Pn in each pool, and simultaneously, the main controller 6 acquires the value of the liquid level sensor 4 in each CAST pool 1 in real time as the level value Leveln in the corresponding CAST pool 1, and then the inlet-outlet pressure difference value of the aeration disc of the pool is calculated according to the formula (1-1):
Pdn= Pn -Leveln （1-1）
n in the above formula represents the number of the corresponding CAST pool 1; for example, if there are 2 available CAST pools, P is used1,P2Shown, as in fig. 1;
D. controlling the opening value Vn of the single-tank aeration regulating valve 10 corresponding to each tank according to the inlet-outlet pressure difference value Pdn, then sending the opening value Vn into the corresponding single-tank aeration regulating valve 10 to control the real-time intensity of single-tank aeration, and then taking the time when Pdnset1< Pdn <0 as a micro-aeration mode; taking Pdn > Pdnset2>0 as a full aeration mode;
E. then, the air outlet volume and the linkage operation of the blower system are controlled according to the opening value Vn of each aeration valve of each pool and the air main pipe pressure value PZ detected by the total pressure detector 12: when the opening value Vn of the single-tank aeration valve is close to the full degree and is delayed to a set time, judging whether the PZ reaches the upper safety limit or not, and gradually and slowly adjusting the air blower to increase the air outlet pressure value PZ of the air blower when the PZ does not reach the upper safety limit; when the opening value Vn of the single-tank aeration valve is reduced, detecting and judging whether the PZ approaches to reach the upper safety limit, if so, forbidding the adjustment of the aeration valve, gradually adjusting the air blower to reduce the air outlet pressure value PZ of the air blower, and when the difference between the upper safety limit pressure and the PZ is greater than a safety set threshold value, restoring the adjustment of the aeration valve; when the dissolved oxygen of each pool reaches a set value and exceeds the set stabilization time, the outlet pressure value PZ of the blower is gradually and slowly adjusted downwards, and finally, accurate control is realized.
Further, in order to improve the monitoring accuracy, the initial aeration opening degree of the period needs to be preset in step 2 by acquiring all aeration values of the previous period in real time through the main controller 6, then calculating the average opening degree value of the aeration valve of the previous period as the initial aeration opening degree of the period, and then automatically adjusting the single aeration value of the single-tank aeration regulating valve 10 of each tank as the next aeration value of the initial aeration value by using PID or fuzzy control after dissolved oxygen DoIT in the CAST tank 1.
Further, in order to facilitate later data query, the main controller 6 stores the detection data of each time in real time in step 3.
While there have been shown and described what are at present considered the fundamental principles and essential features of the invention and its advantages, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. A control method of an aeration precise control system for sewage treatment is characterized by comprising the following steps:
one or more CAST pools (1);
a blower controller (2) for compressing the atmosphere to form an aeration gas source;
more than one aeration main pipe (3);
the number of the liquid level sensors (4) is the same as that of the CAST pools (1) and the liquid level sensors are respectively arranged in each CAST pool (1);
dissolved oxygen detection sensors (5) which are the same as the CAST pools (1) in number and are respectively arranged in each CAST pool (1);
a main controller (6) for performing fine aeration control on each CAST tank (1);
wherein one end of each aeration main pipe (3) is connected with the output of a blower controller (2), the other end of each aeration main pipe (3) is connected with a single-tank aeration main branch pipe (7) the part of which extends into a corresponding CAST tank (1), the part of each single-tank aeration main branch pipe (7) extending into the corresponding CAST tank (1) is connected with more than one single-tank aeration branch pipe (8), each aeration branch pipe is connected with more than one single-tank aeration disc (9), each aeration main pipe (3) is connected with a flow meter (13), the part of each single-tank aeration main branch pipe (7) extending out of the CAST tank (1) is connected with a single-tank aeration regulating valve (10), the part of each single-tank aeration main branch pipe (7) extending out of the CAST tank (1) is connected with a branch pressure detector (11) relative to the rear part of the single-tank aeration regulating valve (10), a total pressure detector (12) is connected among all the aeration branch pipes, and the branch pressure detector (11), the total pressure detector (12), the single-tank aeration regulating valve (10), the flow meter (13), the liquid level sensor (4) and the dissolved oxygen detection sensor (5) are in signal connection with the main controller (6);
an online monitoring instrument (14) for monitoring the pressure at the front end of the aeration disc (9) of the single tank is connected to the aeration regulating valve (10) of the single tank, and the online monitoring instrument (14) is connected with the blower controller (2);
the control method of the sewage treatment aeration precise control system specifically comprises the following steps:
presetting a rising exposure Pdnset1 value and a full exposure pressure Pdnset2 value of each CAST pool (1) and upper and lower pressure limit values for safe operation of a blower;
then, taking one week as a period, and setting the initial opening degree of the aeration of the single-pond aeration regulating valve (10) in the first day of the period on the first day of each period;
the mode of presetting the initial aeration opening degree of the period is that a main controller (6) acquires all aeration values of the previous period in real time, then calculates the average opening degree value of the aeration valve of the previous period as the initial aeration opening degree of the period, and then automatically adjusts the single aeration value of a single-tank aeration adjusting valve (10) of each tank as the next aeration value of the initial aeration value by using PID or fuzzy control according to the dissolved oxygen DoIT in the CAST tank (1);
then, a branch pressure detector (11) arranged at the rear end of a single tank aeration regulating valve (10) in each CAST tank (1) is obtained in real time through a main controller (6) to obtain a corresponding branch pressure detection value Pn in each tank, meanwhile, the numerical value of a liquid level sensor (4) in each CAST tank (1) is obtained in real time through the main controller (6) to serve as a liquid level value Leveln in the corresponding CAST tank (1), and then the inlet and outlet pressure difference value of an aeration disc of the tank is calculated according to a formula 1-1:
Pdn= Pn -Leveln （1-1）
n in the above formula represents the index of the corresponding CAST pool (1);
controlling the opening value Vn of the single-tank aeration regulating valve (10) corresponding to each tank according to the pressure difference Pdn between the inlet and the outlet, sending the opening value Vn into the corresponding single-tank aeration regulating valve (10) to control the real-time intensity of single-tank aeration, and taking the time when Pdnset1< Pdn <0 as a micro-aeration mode; taking Pdn > Pdnset2>0 as a full aeration mode;
and then the air outlet volume and the linkage operation of the blower system are controlled according to the opening value Vn of each aeration valve and the air main pressure value PZ detected by the total pressure detector (12): when the opening value Vn of the single-tank aeration valve is close to the full degree and is delayed to a set time, judging whether the PZ reaches the upper safety limit or not, and gradually and slowly adjusting the air blower to increase the air outlet pressure value PZ of the air blower when the PZ does not reach the upper safety limit; when the opening value Vn of the single-tank aeration valve is reduced, detecting and judging whether the PZ approaches to reach the upper safety limit, if so, forbidding the adjustment of the aeration valve, gradually adjusting the air blower to reduce the air outlet pressure value PZ of the air blower, and when the difference between the upper safety limit pressure and the PZ is greater than a safety set threshold value, restoring the adjustment of the aeration valve; when the dissolved oxygen of each pool reaches a set value and exceeds the set stabilization time, the outlet pressure value PZ of the blower is gradually and slowly adjusted downwards, and finally, accurate control is realized.
2. The control method of the sewage treatment aeration fine control system according to the claim 1, wherein the single-tank aeration disc (9) is positioned below the liquid level of the CAST tank (1) and close to the tank bottom.
3. The control method of an aeration fine control system for sewage treatment according to claim 1 or 2, wherein the single-tank aeration control valve (10) is a slow-speed regulation type control valve having a full open time of 90 seconds or more.
4. The control method of the sewage treatment aeration fine control system according to claim 1 or 2, wherein the blower controller (2) is a remote control type blower capable of adjusting air volume.
5. The control method of the sewage treatment aeration precise control system according to the claim 3, characterized in that an online monitoring instrument (14) for monitoring the pressure at the front end of the aeration disc (9) of the single tank is connected with the aeration regulating valve (10) of the single tank, and the online monitoring instrument (14) is connected with the blower controller (2).
6. The control method of the sewage treatment aeration precise control system according to the claim 4, characterized in that an online monitoring instrument (14) for monitoring the pressure at the front end of the aeration disc (9) of the single tank is connected on the aeration regulating valve (10) of the single tank, and the online monitoring instrument (14) is connected with the blower controller (2).
7. A control method of an aeration fine control system for sewage treatment according to claim 1, wherein the main controller (6) stores the detected data of each time in real time in step C.
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1730409A (en) * | 2005-08-12 | 2006-02-08 | 上海昊沧系统控制技术有限责任公司 | On-line control method for aeration quantity in sewage biological treatment technique |
| CN1837088A (en) * | 2006-04-20 | 2006-09-27 | 上海昊沧系统控制技术有限责任公司 | Gas distribution adjustment method for blast aeration system |
| KR20080101037A (en) * | 2007-05-15 | 2008-11-21 | (주)대우건설 | Aeration appratus combined with submerged membrane module |
| CN107986428A (en) * | 2017-12-15 | 2018-05-04 | 中原环保股份有限公司 | A kind of sewage disposal accurate aeration method |
| CN207608388U (en) * | 2017-12-05 | 2018-07-13 | 四川长河阳光建设工程有限公司 | A kind of accurate aeration system |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1730409A (en) * | 2005-08-12 | 2006-02-08 | 上海昊沧系统控制技术有限责任公司 | On-line control method for aeration quantity in sewage biological treatment technique |
| CN1837088A (en) * | 2006-04-20 | 2006-09-27 | 上海昊沧系统控制技术有限责任公司 | Gas distribution adjustment method for blast aeration system |
| KR20080101037A (en) * | 2007-05-15 | 2008-11-21 | (주)대우건설 | Aeration appratus combined with submerged membrane module |
| CN207608388U (en) * | 2017-12-05 | 2018-07-13 | 四川长河阳光建设工程有限公司 | A kind of accurate aeration system |
| CN107986428A (en) * | 2017-12-15 | 2018-05-04 | 中原环保股份有限公司 | A kind of sewage disposal accurate aeration method |
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