CN113933455B - Aerator detection device and method - Google Patents
Aerator detection device and method Download PDFInfo
- Publication number
- CN113933455B CN113933455B CN202111023469.3A CN202111023469A CN113933455B CN 113933455 B CN113933455 B CN 113933455B CN 202111023469 A CN202111023469 A CN 202111023469A CN 113933455 B CN113933455 B CN 113933455B
- Authority
- CN
- China
- Prior art keywords
- aeration
- pipe
- test
- square
- inner cavity
- 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.)
- Active
Links
- 238000001514 detection method Methods 0.000 title claims abstract description 38
- 238000005276 aerator Methods 0.000 title claims abstract description 33
- 238000000034 method Methods 0.000 title abstract description 8
- 238000005273 aeration Methods 0.000 claims abstract description 62
- 238000012360 testing method Methods 0.000 claims abstract description 59
- 238000005192 partition Methods 0.000 claims abstract description 3
- 229910000831 Steel Inorganic materials 0.000 claims description 5
- 239000010959 steel Substances 0.000 claims description 5
- 239000012528 membrane Substances 0.000 description 27
- 230000003028 elevating effect Effects 0.000 description 4
- 239000010865 sewage Substances 0.000 description 3
- 238000012935 Averaging Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 244000005700 microbiome Species 0.000 description 2
- 239000010802 sludge Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000002957 persistent organic pollutant Substances 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
- 125000003003 spiro group Chemical group 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/02—Measuring arrangements characterised by the use of mechanical techniques for measuring length, width or thickness
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
- G01D21/02—Measuring two or more variables by means not covered by a single other subclass
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
- G01N15/08—Investigating permeability, pore-volume, or surface area of porous materials
- G01N15/082—Investigating permeability by forcing a fluid through a sample
- G01N15/0826—Investigating permeability by forcing a fluid through a sample and measuring fluid flow rate, i.e. permeation rate or pressure change
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/40—Investigating hardness or rebound hardness
-
- 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
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Dispersion Chemistry (AREA)
- Fluid Mechanics (AREA)
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Medicinal Chemistry (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
- Activated Sludge Processes (AREA)
Abstract
The invention discloses an aerator detection device, which comprises a base; a test cell; the partition plate is fixedly arranged in the middle of the inner cavity of the test pool; the first aeration detection assembly is arranged on one side of the bottom end of the inner cavity of the test pool; the second aeration detection assembly is arranged on the other side of the bottom end of the inner cavity of the test pool; the pneumatic lifting device is arranged at the top end of the test pool; and the left side and the right side of the bottom end of the inner cavity of the test pool are both provided with the drainage valves. The aerator detection device and the method adopt the automatic control, limiting and hydraulic systems, have high degree of mechanization, save labor and are simple and convenient to operate; the aerator of various models is detected as a whole, and one device can detect a plurality of aerators and a plurality of sets of aerators compared with the prior art, thereby improving the efficiency.
Description
Technical Field
The invention relates to the technical field of aeration tank detection, in particular to a device and a method for detecting an aerator.
Background
The aeration tank is a biochemical reactor designed by people according to the characteristics of microorganisms, the degradation degree of organic pollutants is mainly determined by the aeration reaction conditions designed by people, the aeration tank carries out sewage treatment by an activated sludge method, certain sewage retention time is provided in the tank, the oxygen quantity required by aerobic microorganisms and the mixing condition of full contact of sewage and activated sludge are met, the aeration tank mainly comprises a tank body, an aeration system and a water inlet and outlet, the tank body is generally built by reinforced concrete, and the plane shape of the tank body is rectangular, square, circular and the like;
at present, an aeration device of an aeration tank needs to be regularly detected in the using process, the detection is complex, a plurality of workers are needed to operate, more detection instruments need to be prepared, and the efficiency is low.
Disclosure of Invention
The invention aims to provide a device and a method for detecting an aerator, which are used for solving the problems that detection is complex, a plurality of workers are required to operate, more detection instruments need to be prepared, and the efficiency is low in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: an aerator detection device comprises;
a test cell;
the partition plate is fixedly arranged in the middle of the inner cavity of the test pool;
the first aeration detection assembly is arranged on one side of the bottom end of the inner cavity of the test pool;
the second aeration detection assembly is arranged on the other side of the bottom end of the inner cavity of the test pool;
the pneumatic lifting device is arranged at the top end of the test pool;
and the left side and the right side of the bottom end of the inner cavity of the test pool are both provided with the drainage valves.
Preferably, the first aeration detection module includes: the number of the first square pipes is two, the first square pipes are fixedly arranged on one side of the bottom end of the inner cavity of the test pool in the left-right direction, and the first square pipes are connected with the pneumatic lifting device; the fixed square steel is fixedly arranged between the two first square pipes; the first air inlet valve is arranged on one side of the first square pipe; the first air inlet pipe is in threaded connection with the first air inlet valve; the top end of the first square pipe is provided with a plurality of disc-type aerators; and the first air outlet valve is arranged on one side of the first square pipe.
Preferably, a hollow disc aerator is arranged on one side of the top end of the first square pipe.
Preferably, the second aeration detection module includes: the number of the second square pipes is two, the second square pipes are fixedly arranged on one side of the bottom end of the inner cavity of the test pool along the front-back direction, and the second square pipes are connected with the pneumatic lifting device; the front side and the rear side of the inner side of the second square pipe are respectively provided with a tubular aeration pipe along the left-right direction, the tubular aeration pipes are communicated with the inner cavity of the second square pipe, and the middle part of the outer wall of each tubular aeration pipe is a tubular aeration test limiting point; the second air inlet valve is arranged on one side of the second square pipe on one side; the second air inlet pipe is in threaded connection with the second air inlet valve; and the second air outlet valve is arranged on one side of the second square pipe.
An aeration tank detection method comprises the following steps:
step 1: performing a hardness test, wherein the hardness test requires more than one diaphragm to be stacked or the diaphragm is folded into three layers to be tested, avoiding an opening area, vertically pressing the diaphragm by using a hardness meter, and recording according to the degree; measuring three points on each membrane, respectively recording, and averaging;
step 2: carrying out height test, preparing an air compressor, an air flow meter and a pressure gauge, wherein the air compressor is connected with the air flow meter, the air flow meter is connected with the pressure gauge, a pressure transformer is connected with a first aeration detection assembly, before the test, a first air inlet valve is opened, gas is input into a first air inlet pipe, a disc aerator is blown for a few minutes, a first air inlet valve is closed after membrane holes are fully diffused, a membrane returns to an initial position, a height vernier caliper is used for measuring the original height, the first air inlet valve is opened, the height of the highest point of the membrane is measured one by one according to scales and recorded, and the average value is obtained only after test samples are needed;
and step 3: carrying out resistance test, preparing an air compressor, an air flow meter, a pressure gauge and a U-shaped pressure gauge, wherein the air compressor is connected with the air flow meter, the air flow meter is connected with the pressure gauge, a pressure transformer is connected with a first aeration detection assembly, a first air outlet valve is connected with the U-shaped pressure gauge through a connecting pipe, before the test, a disc type aerator is blown for several minutes, a first air inlet valve is closed after membrane holes are fully diffused, a diaphragm returns to an initial position, then the U-shaped pressure gauge is connected, the initial position of the pressure gauge is read and recorded (the reading is based on the lowest point of the liquid level, and the two sides are required to be horizontal), the first air inlet valve is opened, the measurement is carried out one by one according to scales, the high-level reading of the U-shaped pressure gauge is recorded, and the test sample is required to be more than the high-level reading, and the average value is obtained;
and 4, step 4: carrying out uniformity test, preparing an air compressor, an air flow meter and a pressure gauge, wherein the air compressor is connected with the air flow meter, the air flow meter is connected with the pressure gauge, the pressure transformer is connected with a second aeration detection component, before the test, a tubular aeration pipe is blown for a few minutes, a second air inlet valve is closed after membrane holes are fully diffused, a membrane returns to an initial position, the second air inlet valve is opened, air flow is gradually increased according to scales, the uniformity of the membrane is observed when the flow is designed, the membrane is normally aerated, the air bubbles are fine and dense, no large air bubbles exist, the membrane holes are uniformly opened, uniform aeration is carried out from the center to the outer ring, the air outlet rate reaches more than percent, no bad aeration area exists, the aeration area is mainly represented as the eccentricity (one side is large and the other side is small) of the aeration area, no air blocks and points exist on the membrane (the place where air is not discharged), the membrane can be fully aerated, no dead zone of aeration exists, no large air bubbles exist, the aeration is closed, the air flow is rebounded, no large bubbles emerge.
The invention provides a device and a method for detecting an aerator, which have the beneficial effects that:
the invention designs an integrated multi-purpose function, the pipe aerator test device enters and exits the air valve, can enter the double-end of the pipe aerator to carry on the uniformity test when being used as the air inlet valve, can connect to the U-shaped pipe to carry on the resistance test when being used as the air outlet valve, and the design of this apparatus has hydraulic systems, can facilitate the test of the water surface and underwater aerator, also equipped with the stop device, can test the pipe aerator of different models with the same apparatus, compare with prior art mainly 1, adopt the automatic control, spacing and hydraulic system, the degree of mechanization is high, save the manpower, easy to operate is convenient; 2. the aerator of various models is detected as a whole, and one device can detect a plurality of aerators and a plurality of sets of aerators compared with the prior art, thereby improving the efficiency.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
In the figure: 1. the test tank, 2, the baffle, 3, first aeration detection subassembly, 31, first side's pipe, 32, fixed square steel, 33, first air inlet valve, 34, first intake pipe, 35, disk aerator, 36, first air outlet valve, 37, cavity disk aerator, 4, second aeration detection subassembly, 41, second side's pipe, 42, tubular aeration pipe, 43, second air inlet valve, 44, second intake pipe, 45, second air outlet valve, 5, pneumatic elevating gear, 6, drainage valve.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1, please refer to fig. 1, the present invention provides a technical solution: an aerator detection device comprises; test pool 1, baffle 2, first aeration detection subassembly 3, second aeration detection subassembly 4, pneumatic elevating gear 5 and drainage valve 6, baffle 2 is fixed to be set up at the inner chamber middle part of test pool 1, first aeration detection subassembly 3 sets up in test pool 1's inner chamber bottom one side, second aeration detection subassembly 4 sets up the inner chamber bottom opposite side at test pool 1, pneumatic elevating gear 5 sets up the top at test pool 1, drainage valve 6 the inner chamber bottom left and right sides of test pool 1 all is provided with drainage valve 6.
As a preferable scheme, furthermore, the first aeration detection component 3 comprises: the device comprises two first square pipes 31, fixed square steel 32, a first air inlet valve 33, a first air inlet pipe 34, a disc type aerator 35 and a first air outlet valve 36, wherein the number of the first square pipes 31 is two, the first square pipes 31 are fixedly arranged on one side of the bottom end of an inner cavity of the test pool 1 along the left-right direction, the first square pipes 31 are connected with a pneumatic lifting device 5, the fixed square steel 32 is fixedly arranged between the two first square pipes 31, and the first air inlet valve 33 is arranged on one side of each first square pipe 31; the first air inlet pipe 34 is in threaded connection with the first air inlet valve 33, the top end of the first square pipe 31 is provided with a plurality of disc-type aerators 35, and the first air outlet valve 36 is arranged on one side of the first square pipe 31.
Preferably, a hollow disc aerator 37 is provided on the tip side of the first pipe 31.
As a preferred scheme, furthermore, the second aeration detection component 4 comprises: second side pipe 41, tubular aeration pipe 42, second air inlet valve 43, second intake pipe 44 and second air outlet valve 45, the quantity of second side pipe 41 is two, and along fixed setting in the inner chamber bottom one side of test pond 1 of fore-and-aft direction, and second side pipe 41 links to each other with pneumatic elevating gear 5, both sides are all provided with tubular aeration pipe 42 along the left-and-right direction around the inboard of second side pipe 41, and tubular aeration pipe 42 communicates with each other with the inner chamber of second side pipe 41, tubular aeration pipe 42's outer wall middle part is tubular aeration test limit point, second air inlet valve 43 sets up the one side at one side second side pipe 41, second intake pipe 44 and second air inlet valve 43 spiro union, second air outlet valve 45 sets up the one side at one side second side pipe 41.
An aeration tank detection method comprises the following steps:
step 1: performing a hardness test, wherein the hardness test needs more than 3 membranes to be stacked or the membranes are folded into three layers to be tested, avoiding an opening area, vertically pressing the membranes by using a hardness tester, and recording according to the degree; measuring three points on each membrane, respectively recording, and averaging; step 2: carrying out height test, preparing an air compressor, an air flow meter and a pressure gauge, wherein the air compressor is connected with the air flow meter, the air flow meter is connected with the pressure gauge, a pressure transformer is connected with a first aeration detection assembly 3, before the test, a first air inlet valve 33 is opened, gas is input into a first air inlet pipe 34, a disc type aerator 35 is blown for several minutes, the first air inlet valve 33 is closed after membrane holes are fully diffused, a diaphragm returns to an initial position, the original height is measured by a height vernier caliper, the first air inlet valve 33 is opened, the height of the highest point of the diaphragm is measured one by one according to scales, and the height is recorded, more than 3 test samples are required, and the average value is calculated;
and step 3: carrying out resistance test, preparing an air compressor, an air flow meter, a pressure gauge and a U-shaped pressure gauge, wherein the air compressor is connected with the air flow meter, the air flow meter is connected with the pressure gauge, a pressure transformer is connected with the first aeration detection assembly 3, the first air outlet valve 36 is connected with the U-shaped pressure gauge through a connecting pipe, before the test, the disc type aerator 35 is blown for a few minutes, the first air inlet valve 33 is closed after the membrane pores are fully diffused, the membrane returns to the initial position, then the U-shaped pressure gauge is connected, the initial position of the pressure gauge is read and recorded (the reading is based on the lowest point of the liquid level, and the two sides of the pressure gauge are required to be horizontal), the first air inlet valve 33 is opened, the measurement is carried out one by one according to the scales, the high-level reading of the U-shaped pressure gauge is recorded, more than 3 is required for a test sample, and the average value is obtained;
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various 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 (1)
1. An aerator detection device is characterized in that: comprises the following steps of;
a test cell (1);
the partition plate (2) is fixedly arranged in the middle of the inner cavity of the test pool (1);
the first aeration detection assembly (3) is arranged on one side of the bottom end of the inner cavity of the test pool (1);
the second aeration detection component (4) is arranged on the other side of the bottom end of the inner cavity of the test pool (1);
the pneumatic lifting device (5) is arranged at the top end of the testing pool (1);
the left side and the right side of the bottom end of the inner cavity of the test pool (1) are provided with the drainage valves (6);
the first aeration detection assembly (3) comprises:
the number of the first square pipes (31) is two, the first square pipes (31) are fixedly arranged on one side of the bottom end of the inner cavity of the test pool (1) along the left-right direction, and the first square pipes (31) are connected with the pneumatic lifting device (5);
the fixed square steel (32) is fixedly arranged between the two first square pipes (31);
a first intake valve (33) disposed at one side of the first square pipe (31);
the first air inlet pipe (34) is in threaded connection with the first air inlet valve (33);
the top end of the first square pipe (31) is provided with a plurality of disc-type aerators (35);
the first air outlet valve (36) is arranged on one side of the first square pipe (31);
a hollow disc aerator (37) is arranged on one side of the top end of the first square pipe (31);
the second aeration detection assembly (4) comprises:
the number of the second square pipes (41) is two, the second square pipes (41) are fixedly arranged on one side of the bottom end of the inner cavity of the test pool (1) in the front-back direction, and the second square pipes (41) are connected with the pneumatic lifting device (5);
the front side and the rear side of the inner side of the second square pipe (41) are respectively provided with the tubular aeration pipes (42) along the left-right direction, the tubular aeration pipes (42) are communicated with the inner cavity of the second square pipe (41), and the middle part of the outer wall of each tubular aeration pipe (42) is a tubular aeration test limiting point;
the second air inlet valve (43) is arranged on one side of the second square pipe (41);
the second air inlet pipe (44) is in threaded connection with the second air inlet valve (43);
and the second air outlet valve (45) is arranged on one side of the second square pipe (41).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111023469.3A CN113933455B (en) | 2021-09-01 | 2021-09-01 | Aerator detection device and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111023469.3A CN113933455B (en) | 2021-09-01 | 2021-09-01 | Aerator detection device and method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113933455A CN113933455A (en) | 2022-01-14 |
| CN113933455B true CN113933455B (en) | 2022-08-09 |
Family
ID=79274874
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111023469.3A Active CN113933455B (en) | 2021-09-01 | 2021-09-01 | Aerator detection device and method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113933455B (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2797357Y (en) * | 2005-04-08 | 2006-07-19 | 隋军 | Lifting type aerator |
| CN201400605Y (en) * | 2009-04-09 | 2010-02-10 | 同济大学 | Diaphragm-type clear water aeration test device |
| CN203772568U (en) * | 2014-04-18 | 2014-08-13 | 宜兴市产品质量监督检验所 | Surface aeration equipment detection pool |
| CN204116066U (en) * | 2014-09-30 | 2015-01-21 | 北京城市排水集团有限责任公司 | The performance of aeration device proving installation |
| KR20150130661A (en) * | 2014-05-14 | 2015-11-24 | 윤종석 | Pipe type device for sewage and wastewater treatment |
| CN107117723A (en) * | 2017-04-24 | 2017-09-01 | 葛洲坝水务投资有限公司 | Accurate type micro-pore aerator installation, detecting system and installation and detection method |
| CN207649921U (en) * | 2018-01-02 | 2018-07-24 | 国家环保产品质量监督检验中心 | A kind of micro-hole aerator Performance Test System |
| CN209797600U (en) * | 2018-10-31 | 2019-12-17 | 宜兴市产品质量和食品安全检验检测中心 | Aeration head installation device of comprehensive detection platform of aeration system |
| CN212198686U (en) * | 2020-03-02 | 2020-12-22 | 龙感湖龙源汇力科技有限公司 | MBR membrane module aerator simulation experiment device |
-
2021
- 2021-09-01 CN CN202111023469.3A patent/CN113933455B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2797357Y (en) * | 2005-04-08 | 2006-07-19 | 隋军 | Lifting type aerator |
| CN201400605Y (en) * | 2009-04-09 | 2010-02-10 | 同济大学 | Diaphragm-type clear water aeration test device |
| CN203772568U (en) * | 2014-04-18 | 2014-08-13 | 宜兴市产品质量监督检验所 | Surface aeration equipment detection pool |
| KR20150130661A (en) * | 2014-05-14 | 2015-11-24 | 윤종석 | Pipe type device for sewage and wastewater treatment |
| CN204116066U (en) * | 2014-09-30 | 2015-01-21 | 北京城市排水集团有限责任公司 | The performance of aeration device proving installation |
| CN107117723A (en) * | 2017-04-24 | 2017-09-01 | 葛洲坝水务投资有限公司 | Accurate type micro-pore aerator installation, detecting system and installation and detection method |
| CN207649921U (en) * | 2018-01-02 | 2018-07-24 | 国家环保产品质量监督检验中心 | A kind of micro-hole aerator Performance Test System |
| CN209797600U (en) * | 2018-10-31 | 2019-12-17 | 宜兴市产品质量和食品安全检验检测中心 | Aeration head installation device of comprehensive detection platform of aeration system |
| CN212198686U (en) * | 2020-03-02 | 2020-12-22 | 龙感湖龙源汇力科技有限公司 | MBR membrane module aerator simulation experiment device |
Non-Patent Citations (1)
| Title |
|---|
| 曝气设备充氧性能测试装置及实验研究;王娟等;《青岛理工大学学报》;20071231;第28卷(第3期);54-58 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113933455A (en) | 2022-01-14 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| AU2021221862B2 (en) | Floating apparatus for membrane biofilm reactor and process for water treatment | |
| CN1096286C (en) | Predicting logarithmic reduction values | |
| CN212622092U (en) | Simple testing device for accurately measuring water and gas radial permeability coefficient of concrete | |
| CN113933455B (en) | Aerator detection device and method | |
| CN209069798U (en) | A kind of darcy permeability test instrument | |
| CN101598161A (en) | Frequency-conversion steady-flow control system and controlling method thereof | |
| CN111175087B (en) | High-precision water sample suction filtration detection device | |
| EP3030897A1 (en) | Respirometer | |
| CN110487360A (en) | A kind of automatic control system Water Tank magnetic double level gauge | |
| CN2779385Y (en) | Test unit for special-purpose filter membrane for membrane bioreactor | |
| CN110668565B (en) | Reelpipe type sludge sampling and activity evaluation device for anaerobic reactor and working method thereof | |
| CN112798490B (en) | Instrument and method for measuring transient water conductivity coefficient of unsaturated soil | |
| CN211527944U (en) | Water quality monitoring preprocessing device and water quality monitoring system | |
| CN214844663U (en) | MBR membrane testing arrangement | |
| CN103706150B (en) | Diffusion gas flushing system | |
| CN209707498U (en) | A kind of simulation of water quality detection device for sewage treatment | |
| CN212586178U (en) | Wireless online density concentration measuring device | |
| CN107117723B (en) | Accurate pipe type microporous aerator installation and detection system and installation and detection method | |
| CN217068414U (en) | Internal pressure membrane testing device | |
| CN218212537U (en) | Device for testing air permeability of membrane | |
| CN220077305U (en) | Clear water aeration test box | |
| CN219574093U (en) | Solution circulation rock-soil expansibility test device | |
| CN219647191U (en) | MBR flat membrane anti-pollution verification system | |
| CN215525456U (en) | Hydrogen sulfide absorption experimental device for concrete | |
| CN218865727U (en) | Dull and stereotyped membrane testing arrangement of MBR |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |