CN211505387U - Online monitoring device of translational self-floating aeration system - Google Patents
Online monitoring device of translational self-floating aeration system Download PDFInfo
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- CN211505387U CN211505387U CN201921859021.3U CN201921859021U CN211505387U CN 211505387 U CN211505387 U CN 211505387U CN 201921859021 U CN201921859021 U CN 201921859021U CN 211505387 U CN211505387 U CN 211505387U
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Abstract
The utility model discloses a translation is from floating aeration systems on-line monitoring device, the device contain: the data acquisition terminal is integrated with a gas collecting hood, a gas component determinator, a dissolved oxygen determinator, a mobile power supply, a communication module and the like and is used for determining the dissolved oxygen concentration of mixed liquid at different monitoring points of the aeration biological reaction tank and the content of oxygen, carbon dioxide and other components in liquid level escaping gas. The utility model solves the defects of the prior aeration system in control equipment and method, and provides a basis for realizing the online monitoring of the oxygen supply efficiency of the activated sludge process aeration system.
Description
Technical Field
The utility model relates to the technical field of environmental protection, concretely relates to translation is from floating aeration systems on-line monitoring device.
Background
With the continuous improvement of the urbanization level and the environmental protection requirement, the number and the scale of the construction of sewage treatment plants in China are increased day by day. The sewage treatment belongs to the energy-intensive industry, and in an activated sludge treatment system, the energy consumption cost of a sewage treatment plant accounts for 30-80% of the operation and maintenance cost of the sewage treatment plant. Wherein, the energy consumption of the aeration system accounts for 40-70% of the total energy consumption of the sewage treatment plant of the activated sludge system, and is a key link for energy consumption control.
The energy saving of the aeration system is a comprehensive system engineering, and comprises aeration equipment, water inlet conditions, operation conditions and the like, wherein the oxygen supply efficiency is a key evaluation parameter. The automatic control is an important technical means for ensuring that the quality of the effluent of the sewage treatment system is stable and reaches the standard, reducing the energy consumption and material consumption of the sewage treatment system and improving the management level of the urban sewage treatment plant. The quality and quantity of water from a sewage treatment plant fluctuate at any time, the oxygen demand for removing pollutants by microorganisms changes, and the ideal aeration control is that an aeration system adjusts the aeration rate matched with the oxygen demand in time, so that the phenomenon that the dissolved oxygen of the system fluctuates in a large range due to excessive or insufficient aeration is avoided.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a translation is from floating aeration systems on-line monitoring device, its oxygen suppliment efficiency that can the on-line monitoring sewage treatment plant aeration systems provides the support for realizing aeration systems's stability and energy-saving control.
In order to achieve the above purpose, the utility model discloses a following technical scheme realizes:
the utility model provides a translation is from floating aeration systems on-line monitoring device, its characterized in that, aeration systems oxygen suppliment efficiency on-line monitoring device contain data acquisition terminal, data acquisition terminal establishes on floating body that floats in aeration biological reaction pond liquid level, data acquisition terminal contains:
the gas collecting hood is arranged at the lower part of one end in the data acquisition terminal and is used for collecting gas escaping from the liquid surface of the aeration biological reaction tank;
the gas dehumidifying device is arranged on a gas outlet pipe in the data acquisition terminal and is used for dehumidifying gas, and the gas outlet pipe is connected with the top end of the gas collecting hood;
the gas component measuring instrument is arranged on the gas outlet pipe in the data acquisition terminal, is positioned at the rear end of the gas dehumidifying device and is used for measuring the content of oxygen and carbon dioxide in the gas escaping from the liquid surface;
the dissolved oxygen tester is arranged at the outer side of the gas-collecting hood, and a probe of the dissolved oxygen tester is inserted below the liquid level and is used for testing the dissolved oxygen concentration of the mixed liquid at the monitoring point of the aeration biological reaction tank;
the mobile power supply supplies power to the gas component measuring instrument and the dissolved oxygen measuring instrument through a power supply line;
and the communication module is in wireless communication with the data acquisition terminal.
Furthermore, the data communication terminal is arranged in a pedestrian corridor at the top of the aeration biological reaction tank and is in wired or wireless connection with the data acquisition terminal and the aeration system main control cabinet so as to transmit data.
Furthermore, the floating body is movably connected with a vertical limiting rod, the vertical limiting rod is movably connected with a guide rail, the guide rail is movably connected with transverse displacement rails arranged on the tank walls at two sides of the aeration biological reaction tank, and the guide rail transversely moves along the transverse displacement rails; so that the data acquisition terminal can move to different monitoring points along the guide rail in parallel.
Compared with the prior art, the utility model has the following advantage:
1. the utility model provides a real-time online acquisition of the oxygen and carbon dioxide content and the dissolved oxygen concentration in the liquid level escaping gas in the aeration system, so that the staff can judge the oxygen supply efficiency of the biological reaction tank, and a basis is provided for the maintenance of the aeration system;
2. the utility model discloses a translation is from the data acquisition terminal of floating, can cover the oxygen suppliment efficiency detection of the different positions of aeration biological reaction pond, can adapt to the aeration biological reaction pond that the liquid level changes, for the oxygen suppliment efficiency of the different subregion of comprehensive aassessment aeration biological reaction pond provides data support, simultaneously through components such as vertical gag lever post and guide rail, promotes the stability of data acquisition terminal at aeration biological reaction pond liquid level.
Drawings
FIG. 1 is a schematic sectional view of an on-line monitoring device of an aeration system according to the present invention;
fig. 2 is a schematic plan view of the aeration system on-line monitoring device of the utility model.
The figure includes: the system comprises an aeration biological reaction tank 1, a data acquisition terminal 2, a data communication terminal 3, a gas component determinator 4, a dissolved oxygen determinator 5, a gas collecting hood 6, a gas outlet pipe 8, a mobile power supply 9, a power supply line 10, a communication module 11, a guide rail 12, an aeration system main control cabinet 14, a transverse shifting track 13, a floating body 15 and a vertical limiting rod 16.
Detailed Description
The present invention will be further described by the following detailed description of a preferred embodiment thereof, taken in conjunction with the accompanying drawings.
The utility model provides a translation is from floating aeration systems on-line monitoring device, aeration systems oxygen suppliment efficiency on-line monitoring device include: the data acquisition terminal 2 is arranged on a floating body 15 floating on the liquid surface of the aeration biological reaction tank 1 and moves to different monitoring points along a guide rail 12 in parallel, and the data acquisition terminal 2 comprises a gas collecting hood 6, a gas component determinator 4 and a dissolved oxygen determinator 5 and is used for determining the dissolved oxygen concentration of mixed liquid at different monitoring points of the aeration biological reaction tank and the content of oxygen, carbon dioxide and other components in liquid surface escaping gas; the data communication terminal 3 is arranged in a pedestrian corridor at the top of the aeration biological reaction tank 1 and is used for carrying out data transmission with the data acquisition terminal 2 and the aeration system main control cabinet 14; and the aeration system main control cabinet 14 is used for data processing and aeration system logic control.
The data acquisition terminal 2 comprises: the gas collecting hood 6 is arranged at the lower part of one end in the data acquisition terminal 2 and collects gas escaping from the liquid surface of the aeration biological reaction tank 1; the gas dehumidifying device 7 is arranged on a gas outlet pipe 8 in the data acquisition terminal 2, and the gas outlet pipe 8 is connected with the top end of the gas collecting hood 6 and is used for dehumidifying gas; the gas component measuring instrument 4 is arranged on the gas outlet pipe 8 in the data acquisition terminal 2 and is used for measuring the content of oxygen, carbon dioxide and the like in the gas escaping from the liquid surface; the dissolved oxygen tester 5 is arranged at the lower part of one end in the data acquisition terminal 2, and a probe of the dissolved oxygen tester 5 is inserted below the liquid level and is used for testing the dissolved oxygen concentration of the mixed liquid at different monitoring points of the aeration biological reaction tank 1; the mobile power supply 9 adopts a lithium ion battery and supplies power to the gas component determinator 4 and the dissolved oxygen determinator 5 through a power supply line 10; and the communication module 11 is arranged at the upper part of one end in the data acquisition terminal 2 and is used for carrying out wireless communication with the data acquisition terminal 2.
The data acquisition terminal 2 is integrally arranged on a floating body 15 floating on the liquid surface of the aeration biological reaction tank 1 and is suitable for an activated sludge process with constant or variable liquid surface; the floating body 15 is movably connected with the vertical limiting rod 16, so that the data acquisition terminal 2 is always positioned at a set monitoring point under the condition of liquid level change; the vertical limiting rod 16 is movably connected with the guide rail 12, and the data acquisition terminal 2 moves to different monitoring points along the guide rail 12 in parallel; the guide rails 12 are movably connected with transverse displacement rails 13 arranged on the tank walls at two sides of the aeration biological reaction tank 1, and the guide rails 12 transversely move along the transverse displacement rails 13.
In this embodiment, as shown in fig. 2, a data acquisition terminal 2 is respectively disposed on the liquid level of two aeration biological reaction tanks 1 connected in parallel or in different zones, a common data communication terminal 3 is disposed on a pedestrian corridor between the two aeration biological reaction tanks, and the data communication terminal 3 performs data transmission with an aeration system main control cabinet 14 disposed in a central control room of a sewage treatment plant through an optical fiber.
The use of the present invention will be further explained below:
example 1:
for example, a 90m × 60m aeration biological reaction tank exists, each aeration tank is divided into 9 areas of 30m × 20m, the center of each area is a monitoring point, the data acquisition terminal 2 moves to each monitoring point through the guide rail 12 and the transverse shifting track 13 to acquire data, and each monitoring point is continuously monitored for 1-2 hours; during monitoring, the operation condition and the water inlet condition of the aeration system are kept stable as much as possible, so that the online monitoring point position and the monitoring period of the data acquisition terminal 2 can be conveniently evaluated under the same condition; the data communication terminal 3 transmits the data measured by the gas component measuring instrument 4 and the dissolved oxygen measuring instrument 5 to the main control cabinet of the aeration system, so that the staff can analyze the oxygen supply efficiency of different monitoring points.
While the present invention has been described in detail with reference to the preferred embodiments thereof, it should be understood that the above description should not be taken as limiting the present invention. Numerous modifications and alterations to the present invention will become apparent to those skilled in the art upon reading the foregoing description. Accordingly, the scope of the invention should be limited only by the attached claims.
Claims (3)
1. The utility model provides a translation is from floating aeration systems on-line monitoring device, its characterized in that, aeration systems oxygen suppliment efficiency on-line monitoring device contain data acquisition terminal, data acquisition terminal establishes on floating body that floats in aeration biological reaction pond liquid level, data acquisition terminal contains:
the gas collecting hood is arranged at the lower part of one end in the data acquisition terminal and is used for collecting gas escaping from the liquid surface of the aeration biological reaction tank;
the gas dehumidifying device is arranged on a gas outlet pipe in the data acquisition terminal and is used for dehumidifying gas, and the gas outlet pipe is connected with the top end of the gas collecting hood;
the gas component measuring instrument is arranged on the gas outlet pipe in the data acquisition terminal, is positioned at the rear end of the gas dehumidifying device and is used for measuring the content of oxygen and carbon dioxide in the gas escaping from the liquid surface;
the dissolved oxygen tester is arranged at the outer side of the gas-collecting hood, and a probe of the dissolved oxygen tester is inserted below the liquid level and is used for testing the dissolved oxygen concentration of the mixed liquid at the monitoring point of the aeration biological reaction tank;
the mobile power supply supplies power to the gas component measuring instrument and the dissolved oxygen measuring instrument through a power supply line;
and the communication module is in wireless communication with the data acquisition terminal.
2. An aeration system on-line monitoring device according to claim 1, characterized in that: the data communication terminal is arranged in a pedestrian corridor at the top of the aeration biological reaction tank and is in wired or wireless connection with the data acquisition terminal and the aeration system main control cabinet so as to transmit data.
3. An aeration system on-line monitoring device according to claim 1, characterized in that: the floating body is movably connected with a vertical limiting rod, the vertical limiting rod is movably connected with a guide rail, the guide rail is movably connected with a transverse displacement track arranged on the tank wall at two sides of the aeration biological reaction tank, and the guide rail transversely moves along the transverse displacement track; so that the data acquisition terminal can move to different monitoring points along the guide rail in parallel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921859021.3U CN211505387U (en) | 2019-10-31 | 2019-10-31 | Online monitoring device of translational self-floating aeration system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201921859021.3U CN211505387U (en) | 2019-10-31 | 2019-10-31 | Online monitoring device of translational self-floating aeration system |
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| CN211505387U true CN211505387U (en) | 2020-09-15 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110980940A (en) * | 2019-10-31 | 2020-04-10 | 上海市政工程设计研究总院（集团）有限公司 | Aeration system oxygen supply efficiency online monitoring device and optimization control method |
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2019
- 2019-10-31 CN CN201921859021.3U patent/CN211505387U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110980940A (en) * | 2019-10-31 | 2020-04-10 | 上海市政工程设计研究总院（集团）有限公司 | Aeration system oxygen supply efficiency online monitoring device and optimization control method |
| CN110980940B (en) * | 2019-10-31 | 2024-04-05 | 上海市政工程设计研究总院（集团）有限公司 | On-line monitoring device for oxygen supply efficiency of aeration system and optimization control method |
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