CN206328205U - Membrane bioreactor fluidised form test device - Google Patents
Membrane bioreactor fluidised form test device Download PDFInfo
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- CN206328205U CN206328205U CN201621420705.XU CN201621420705U CN206328205U CN 206328205 U CN206328205 U CN 206328205U CN 201621420705 U CN201621420705 U CN 201621420705U CN 206328205 U CN206328205 U CN 206328205U
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- 239000012528 membrane Substances 0.000 title claims abstract description 85
- 238000012360 testing method Methods 0.000 title claims abstract description 60
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 104
- 239000003814 drug Substances 0.000 claims abstract description 36
- 238000004519 manufacturing process Methods 0.000 claims abstract description 33
- 238000005273 aeration Methods 0.000 claims description 17
- 239000007788 liquid Substances 0.000 claims description 12
- 238000005406 washing Methods 0.000 claims description 12
- 238000003860 storage Methods 0.000 claims description 9
- 229940079593 drug Drugs 0.000 claims description 8
- 239000011521 glass Substances 0.000 claims description 5
- 230000003014 reinforcing effect Effects 0.000 claims description 4
- 238000013461 design Methods 0.000 abstract description 8
- 239000012530 fluid Substances 0.000 abstract description 4
- 239000000126 substance Substances 0.000 abstract 2
- 238000005516 engineering process Methods 0.000 description 12
- 238000000917 particle-image velocimetry Methods 0.000 description 12
- 238000000034 method Methods 0.000 description 9
- 238000004088 simulation Methods 0.000 description 8
- 230000008901 benefit Effects 0.000 description 5
- 238000005457 optimization Methods 0.000 description 5
- 238000011160 research Methods 0.000 description 5
- 239000010865 sewage Substances 0.000 description 5
- 239000002245 particle Substances 0.000 description 4
- 230000001052 transient effect Effects 0.000 description 4
- 238000012795 verification Methods 0.000 description 4
- 238000005265 energy consumption Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000000700 radioactive tracer Substances 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 230000003321 amplification Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000004422 calculation algorithm Methods 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000003889 chemical engineering Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000001678 irradiating effect Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
Classifications
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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
Landscapes
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The utility model provides a kind of membrane bioreactor fluidised form test device, including test casing, film group device, water production system, aerating system and medicine wash system；Wherein, the test casing is rectangular configuration, for placing film group device, and the test of membrane bioreactor fluidised form；The film group device includes film group device main body and the film group device being connected with the film group device main body production mouth of a river and film group device air inlet；What the water production system included producing the water producing pipe that connects of the mouth of a river with the film group device and connect with the water producing pipe is recycled back to water pipe, Vacuum suction pump, valve, vacuum table and fluid flowmeter；The aerating system includes the air inlet pipe connected with the film group device air inlet and the air blower, gas flowmeter and the valve that are connected with the air inlet pipe；The medicine washes the water inlet pipe and chemical feed pipe that system is connected including medicine storing pot and respectively with the top of the medicine storing pot and bottom, and the water inlet pipe is connected with the water pipe that is recycled back to, and the chemical feed pipe is connected with the water producing pipe.Device simple structure described in the utility model, it is reasonable in design, operate with flexible.
Description
Technical Field
The utility model belongs to the technical field of sewage treatment, specifically relate to a membrane bioreactor flow state testing arrangement.
Background
A Membrane Bioreactor (MBR) is a high-efficiency sewage treatment device formed by combining traditional biological treatment and Membrane separation technology, and a Membrane group device is used for replacing a secondary sedimentation tank at the tail end of the traditional biological treatment technology, wherein the Membrane group device is a unit for separating mud and water. Compared with the traditional activated sludge method, the membrane bioreactor has the characteristics of good effluent quality, short process flow, small occupied area, easy realization of automation, remarkable comprehensive economic benefit and the like. Under the conditions of water resource shortage and difficult sewage recycling, the advantage of MBR is more and more prominent, and the MBR becomes one of the first-choice technologies for sewage treatment.
Although the application of MBR in sewage treatment and recycling is increasing day by day, the MBR technology has the problems of lack of configuration design specification, high operation energy consumption, membrane pollution, difficult engineering amplification and the like, and the popularization, popularization and large-scale application of the MBR are seriously hindered. Research shows that MBR flow field characteristics directly influence membrane surface shear strength and shear uniformity, and are one of main factors influencing energy consumption and membrane pollution, and the research is carried out on the aspects of flow field distribution characteristics of membrane modules and membrane tanks by a method combining Computational Fluid Dynamics (CFD) simulation and Particle Imaging Velocimetry (PIV) verification, so that rich information can be obtained in a short time. The technical process of the membrane bioreactor flow field simulation and flow state test is to adopt CFD to carry out mathematical modeling on the flow fields of the MBR membrane pool and the membrane group device, and to use PIV technology to carry out on-site observation and drawing of the flow fields, thereby improving the accuracy and the applicability of the model. The design improvement of the membrane module configuration, the optimization of the operating parameters and the optimization design of the MBR process are finally realized by combining the two technologies.
CFD is a numerical simulation tool developed with modern computer technology, and solves a fluid mechanics control equation by a numerical method to obtain a discrete quantitative description of a flow field and predict a fluid motion law based on the discrete quantitative description, and thus, the CFD has the advantages of low capital investment, high calculation speed, complete information, strong simulation capability and the like, and is widely applied to research and development of technologies and equipment in various engineering fields such as aerospace, automobiles, water conservancy, chemical engineering, environmental engineering and the like. In order to ensure the accuracy of the CFD simulation result, the simulation result needs to be experimentally verified. The verification method of the CFD simulation result has various methods, wherein the PIV technology is one of the main verification means of the CFD simulation because the PIV technology can measure the transient speed of the whole flow field, has high measurement precision and has no interference to the flow field, and is widely applied to the flow field verification of the laboratory-scale MBR at present. Due to the fact that the turbulence of the MBR in the industrial scale is stronger, the difficulty of capturing turbulence and vortex of different scales by the PIV is higher, and the challenges mainly include multi-phase flow iterative algorithm optimization, contradiction coordination between high laser intensity and bubble light reflection, matching of camera shooting speed and resolution, and selection and processing of a light transmission part of a reactor. The optimization research of the membrane module configuration and the operation parameters of the CFD and PIV-based large-scale membrane bioreactor is developed, and the optimization research is an innovation on a research method and an effective way for realizing low energy consumption of MBR.
SUMMERY OF THE UTILITY MODEL
In view of the above-mentioned shortcomings of the prior art, an object of the present invention is to provide a membrane bioreactor flow state testing device for solving a lot of problems existing in the prior art.
In order to achieve the above objects and other related objects, the present invention provides a membrane bioreactor flow state testing device, which comprises a testing box, a membrane group device, a water production system, an aeration system and a drug washing system; wherein,
the testing box body is of a rectangular structure and is used for placing the membrane group device and testing the flow state of the membrane bioreactor;
the membrane module device comprises a membrane module device main body, a membrane module device water production port and a membrane module device air inlet, wherein the membrane module device water production port and the membrane module device air inlet are connected with the membrane module device main body;
the water production system comprises a water production pipe communicated with the water production port of the membrane module device, and a circulating water return pipe, a vacuum suction pump, a valve, a negative pressure meter and a liquid flowmeter which are communicated with the water production pipe;
the aeration system comprises an air inlet pipe communicated with the air inlet of the membrane module, and a blower, a gas flowmeter and a valve which are communicated with the air inlet pipe;
the medicine washing system comprises a medicine storage tank, a water inlet pipe and a medicine feeding pipe, wherein the water inlet pipe and the medicine feeding pipe are respectively communicated with the top and the lower part of the medicine storage tank, the water inlet pipe is communicated with the circulating water return pipe, and the medicine feeding pipe is communicated with the water production pipe.
Preferably, the top of the test box body is provided with an opening, four adjacent side faces are provided with reinforcing ribs, two adjacent side faces are provided with shooting windows, and glass is embedded in the shooting windows; and a water filling port is arranged on one side of the test box body.
Preferably, the valve comprises a manual valve and a solenoid valve for realizing manual control and/or automatic control.
Preferably, one end of the circulating water return pipe is provided with a water return outlet, and the water return outlet is a porous perforated pipe and is arranged at the top of the test box body and is parallel to the liquid level in the test box body.
Preferably, a water drain pipe is arranged at the lower part of the test box body, and the circulating water return pipe is communicated with a water drain pipe; and valves are arranged on the water drain pipe and the water drain pipe.
Preferably, the aeration system further comprises a bypass branch, and a valve is arranged on the bypass branch and used for adjusting the gas flow to realize high-low alternative aeration.
Preferably, a dosing pipe of the drug washing system is communicated with the metering pump and the liquid flowmeter.
As mentioned above, the membrane bioreactor flow state testing device of the utility model has the following beneficial effects:
the flow state testing device of the membrane bioreactor comprises a testing box body, a membrane group device, a water production system, an aeration system and a drug washing system; the testing box body is of a rectangular structure and is used for placing the membrane group device and testing the flow state of the membrane bioreactor; the membrane module device comprises a membrane module device main body, a membrane module device water production port and a membrane module device air inlet, wherein the membrane module device water production port and the membrane module device air inlet are connected with the membrane module device main body; the water production system comprises a water production pipe communicated with the water production port of the membrane module device, and a circulating water return pipe, a vacuum suction pump, a valve, a negative pressure meter and a liquid flowmeter which are communicated with the water production pipe; the aeration system comprises an air inlet pipe communicated with the air inlet of the membrane module, and a blower, a gas flowmeter and a valve which are communicated with the air inlet pipe; the medicine washing system comprises a medicine storage tank, a water inlet pipe and a medicine feeding pipe, wherein the water inlet pipe and the medicine feeding pipe are respectively communicated with the top and the lower part of the medicine storage tank, the water inlet pipe is communicated with the circulating water return pipe, and the medicine feeding pipe is communicated with the water production pipe. The device has simple structure, reasonable design and flexible and convenient operation and use. The transparency of the glass embedded in the window of the test box body is high, and the test box body can be directly observed or the flow field can be represented by capturing the transient speed of the tracer particles through a high-speed camera by utilizing a Particle Imaging Velocimetry (PIV) technology. The main air inlet pipe and the bypass branch valve of the aeration system can be respectively and independently controlled, and high-low alternative aeration can be flexibly realized. The test box body backwater is set to be water inlet of a porous perforated pipe, the perforated pipe is parallel to the liquid level, and the influence of the water inlet on the surrounding flow field of the MBR membrane group device is weakened. The water inlet of the test box body and the water inlet of the drug washing system are both water produced by the membrane group device, the water inlet of the reactor and the water used for cleaning the membrane group device can be simultaneously met on one set of system, and the design is flexible and reasonable.
Drawings
FIG. 1 is a schematic structural diagram of a flow state testing device of a membrane bioreactor according to an embodiment of the present invention.
Fig. 2 is a schematic structural diagram of a test box according to an embodiment of the present invention.
Description of the element reference numerals
1 test box
101 casing
102 shooting window
103 reinforcing rib
2 water filling nozzle
3 membrane group device
4 water producing port of membrane module device
5 water producing pipe
6 hand valve
7 solenoid valve
8 negative pressure gauge
9 vacuum suction pump
10 liquid flowmeter
11 circulation return pipe
12 return water outlet
13 drainage pipe
14 water discharge pipe
15 blower
16 pressure gauge
17 air inlet pipe
18 hand-operated valve
19 solenoid valve
20 bypass branch
21 gas flowmeter
22 air inlet of membrane module device
23 water inlet pipe
24 medicine storage tank
25 metering pump
26 medicine feeding tube
Detailed Description
The following description is provided for illustrative purposes, and other advantages and features of the present invention will become apparent to those skilled in the art from the following detailed description.
Please refer to fig. 1-2. It should be understood that the structure, ratio, size and the like shown in the drawings attached to the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by those skilled in the art, and are not used for limiting the limit conditions that the present invention can be implemented, so that the present invention has no technical essential meaning, and any structure modification, ratio relationship change or size adjustment should still fall within the scope that the technical content disclosed in the present invention can cover without affecting the function that the present invention can produce and the purpose that the present invention can achieve. Meanwhile, the terms such as "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for convenience of description, and are not intended to limit the scope of the present invention, and changes or adjustments of the relative relationship thereof may be made without substantial technical changes, and the present invention is also regarded as the scope of the present invention.
Referring to fig. 1 and 2, the utility model provides a membrane bioreactor flow state testing device, which comprises a testing box body 1, a membrane group device 3, a water production system, an aeration system and a drug washing system; wherein,
the testing box body 1 is a cuboid, reinforcing ribs 103 are arranged on four side faces, shooting windows 102 are arranged on two adjacent side faces, and high-transparency glass is embedded in the shooting windows; the membrane group device 3 is placed in the test box body 1; the water production system comprises a water production pipe 5, a manual valve 6, an electromagnetic valve 7, a vacuum suction pump 9, a negative pressure meter 8 and a liquid flowmeter 10; the water production pipe 5 is connected with a water production port 4 of the membrane module device 3, produced water is pumped by a vacuum suction pump 9 and then is circulated to the test box body 1 through a circulating water return pipe 11 or is discharged through a water discharge pipe 13, and a water return outlet 12 of the circulating water return pipe 11 is a porous perforated pipe; the aeration system comprises a blower 15, a pressure gauge 16, an air inlet pipe 17 and a gas flowmeter 21, wherein the air inlet pipe 17 is connected with an air inlet 22 of the membrane module 3, the air inlet pipe 17 is also communicated with a bypass branch 20, and the air inlet pipe 17 and the bypass branch 20 are respectively provided with a manual valve 18 and an electromagnetic valve 19; the medicine washing system comprises a medicine storage tank 24, a metering pump 25, a liquid flowmeter 10 and a valve 6, wherein a water inlet of the medicine storage tank 24 is connected with a circulating water return pipe 11 of the test box body, and a medicine feeding pipe 26 is connected with a water production pipe 5.
The utility model provides a MBR membrane bioreactor flow state testing arrangement, when actual flow state test, its step is:
1) after the test box body is filled with water, the aeration system is started, and the water produced by the membrane module device is circulated back to the test box body;
2) PIV shooting: and (3) adding trace particles into the test box body, irradiating the interior of the box body through a window by using a laser light source, and capturing the transient speed of the trace particles on the irradiation surface of the light source by using a high-speed camera.
To sum up, the device of the utility model has the advantages of simple structure, reasonable design, flexible and convenient operation and use. The transparency of the glass embedded in the window of the test box body is high, and the test box body can be directly observed or the flow field can be represented by capturing the transient speed of the tracer particles through a high-speed camera by utilizing a Particle Imaging Velocimetry (PIV) technology. The main air inlet pipe and the bypass branch valve of the aeration system can be respectively and independently controlled, and high-low alternative aeration can be flexibly realized. The test box body backwater is set to be water inlet of a porous perforated pipe, the perforated pipe is parallel to the liquid level, and the influence of the water inlet on the surrounding flow field of the MBR membrane group device is weakened. The water inlet of the test box body and the water inlet of the drug washing system are both water produced by the membrane group device, the water inlet of the reactor and the water used for cleaning the membrane group device can be simultaneously met on one set of system, and the design is flexible and reasonable. Therefore, the utility model effectively overcomes various defects in the prior art and has high industrial utilization value.
The above embodiments are merely illustrative of the principles and effects of the present invention, and are not to be construed as limiting the invention. Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which may be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.
Claims (7)
1. A membrane bioreactor flow state testing device is characterized by comprising a testing box body, a membrane group device, a water production system, an aeration system and a drug washing system; wherein,
the testing box body is of a rectangular structure and is used for placing the membrane group device and testing the flow state of the membrane bioreactor;
the membrane module device comprises a membrane module device main body, a membrane module device water production port and a membrane module device air inlet, wherein the membrane module device water production port and the membrane module device air inlet are connected with the membrane module device main body;
the water production system comprises a water production pipe communicated with the water production port of the membrane module device, and a circulating water return pipe, a vacuum suction pump, a valve, a negative pressure meter and a liquid flowmeter which are communicated with the water production pipe;
the aeration system comprises an air inlet pipe communicated with the air inlet of the membrane module, and a blower, a gas flowmeter and a valve which are communicated with the air inlet pipe;
the medicine washing system comprises a medicine storage tank, a water inlet pipe and a medicine feeding pipe, wherein the water inlet pipe and the medicine feeding pipe are respectively communicated with the top and the lower part of the medicine storage tank, the water inlet pipe is communicated with the circulating water return pipe, and the medicine feeding pipe is communicated with the water production pipe.
2. The flow state testing device of membrane bioreactor of claim 1, wherein the top of the testing box body is open, four adjacent sides are provided with reinforcing ribs, two adjacent sides are provided with shooting windows, and glass is embedded; and a water filling port is arranged on one side of the test box body.
3. The flow state testing device for membrane bioreactor of claim 1, wherein the valve comprises a manual valve and a solenoid valve for manual control and/or automatic control.
4. The flow state testing device of membrane bioreactor of claim 1, wherein one end of the circulating water return pipe is provided with a water return outlet, and the water return outlet is a porous perforated pipe and is arranged on the top of the testing box body and is parallel to the liquid level in the testing box body.
5. The flow state testing device of membrane bioreactor of claim 4, wherein the lower part of the testing box body is provided with a water drain pipe, and the circulating water return pipe is communicated with a water drain pipe; and valves are arranged on the water drain pipe and the water drain pipe.
6. The flow state testing device of membrane bioreactor of claim 1, wherein the aeration system further comprises a bypass branch, and a valve is arranged on the bypass branch for adjusting the gas flow to realize alternate aeration.
7. The flow state testing device of membrane bioreactor of claim 1, wherein the dosing pipe of the drug washing system is connected to the metering pump and the liquid flow meter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621420705.XU CN206328205U (en) | 2016-12-22 | 2016-12-22 | Membrane bioreactor fluidised form test device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621420705.XU CN206328205U (en) | 2016-12-22 | 2016-12-22 | Membrane bioreactor fluidised form test device |
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| Publication Number | Publication Date |
|---|---|
| CN206328205U true CN206328205U (en) | 2017-07-14 |
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| CN201621420705.XU Active CN206328205U (en) | 2016-12-22 | 2016-12-22 | Membrane bioreactor fluidised form test device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110467255A (en) * | 2019-07-25 | 2019-11-19 | 温州大学 | A kind of testing equipment and its experimental method of membrane bioreactor |
| CN113956966A (en) * | 2021-10-22 | 2022-01-21 | 上海执与生物科技有限公司 | Bioreactor gas flow testing method |
-
2016
- 2016-12-22 CN CN201621420705.XU patent/CN206328205U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110467255A (en) * | 2019-07-25 | 2019-11-19 | 温州大学 | A kind of testing equipment and its experimental method of membrane bioreactor |
| CN113956966A (en) * | 2021-10-22 | 2022-01-21 | 上海执与生物科技有限公司 | Bioreactor gas flow testing method |
| CN113956966B (en) * | 2021-10-22 | 2023-08-01 | 上海执与生物科技有限公司 | Bioreactor gas flow testing method |
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