CN112816384A - Tubular microfiltration membrane testing device - Google Patents
Tubular microfiltration membrane testing device Download PDFInfo
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- CN112816384A CN112816384A CN202011594348.XA CN202011594348A CN112816384A CN 112816384 A CN112816384 A CN 112816384A CN 202011594348 A CN202011594348 A CN 202011594348A CN 112816384 A CN112816384 A CN 112816384A
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- pipeline
- water
- microfiltration membrane
- tubular microfiltration
- concentrated
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- 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
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- 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
- G01N2015/084—Testing filters
Abstract
The invention discloses a tubular microfiltration membrane testing device which comprises a cleaning tank, a concentrated water tank, a clean water tank, a water inlet pipeline, a circulating pipeline, a water production pipeline, a concentrated water pipeline and a membrane assembly, wherein the cleaning tank is arranged on the inner wall of the cleaning tank; the water inlet pipeline is respectively connected with an external water inlet pipeline and a cleaning tank, and the cleaning tank is connected with the circulating pipeline through a circulating pump; the membrane component is provided with a water inlet, a concentrated water port and a water production port, the circulating pipeline is connected with the water inlet, and the concentrated water port is communicated with a concentrated water tank through a concentrated water pipeline; the water producing port is communicated with the clean water tank through a water producing pipeline; the water production pipeline and the concentrated water pipeline are both connected with the cleaning tank.
Description
Technical Field
The invention relates to the technical field of membrane component detection, in particular to a tubular microfiltration membrane testing device.
Background
At present, tubular microfiltration membranes are slowly applied to various industries, such as leachate, desulfurization wastewater, coal chemical industry and the like, and the experimental tracking of the tubular microfiltration membrane system needs to be carried out for a long time and stable work to record accurate and effective experimental data. In practical use, various problems are easy to occur in a long-time monitoring process, so that experimental data is inaccurate, and therefore, how to perform experimental analysis on water quality in a targeted manner is very important. Many current membrane experimental facilities simple structure can only manually carry out simple separation to the feed liquid, and when need track water fluctuation and quality of water change for a long time, just make experiment operation and operation too complicated and uncontrollable, hardly last the experiment in succession.
Disclosure of Invention
The invention provides a tubular microfiltration membrane testing device aiming at the defects in the prior art, solves the problem that the prior experimental process cannot be operated continuously, also solves the problem that the common experimental device cannot automatically record operation parameters in the detection process, and further solves the complex problems of system stability and automation realization in the later-stage industrial equipment.
In order to achieve the purpose, the invention is realized by the following technical scheme: a tubular microfiltration membrane testing device comprises a cleaning tank, a concentrated water tank, a clean water tank, a water inlet pipeline, a circulating pipeline, a water production pipeline, a concentrated water pipeline and a membrane component; the water inlet pipeline is respectively connected with an external water inlet pipeline and a cleaning tank, and the cleaning tank is connected with the circulating pipeline through a circulating pump; the membrane component is provided with a water inlet, a concentrated water port and a water production port, the circulating pipeline is connected with the water inlet, and the concentrated water port is communicated with a concentrated water tank through a concentrated water pipeline; the water producing port is communicated with the clean water tank through a water producing pipeline; the water production pipeline and the concentrated water pipeline are both connected with the cleaning tank.
Preferably, the water production pipeline is communicated with a back flushing pipeline, and the back flushing pipeline is provided with an electromagnetic valve and a manual valve; the water production pipeline is provided with a backwashing column, the cleaning tank is connected with an aeration stirring system, and the aeration stirring system and the backwashing column are controlled to be opened and closed through the electromagnetic valve.
Preferably, a check valve and a pressure transmitter are arranged on the circulating pipeline; a water replenishing valve, a PH detector and a liquid level transmitter are arranged on the water inlet pipeline; a pressure transmitter and a plurality of flowmeters are arranged on the water production pipeline; and the concentrated water pipeline is provided with a pressure transmitter and a plurality of electromagnetic valves.
Preferably, the membrane component device further comprises an equipment frame, and a membrane component support, a water inlet pipeline support, a water production pipeline support and a concentrated water pipeline support are fixedly arranged on the equipment frame.
Preferably, the circulating pipeline, the water production pipeline and the concentrated water pipeline are all provided with a pressure gauge and a pressure sensor.
Preferably, a plurality of ball valves are further arranged on the water inlet pipeline, the concentrated water pipeline, the water production pipeline and the backwashing pipeline.
Preferably, the circulating pipeline and the water production pipeline are both provided with a plurality of flow meters.
Preferably, a temperature sensor is arranged on the circulating pipeline.
Preferably, a transparent liquid level meter and a liquid level transmitter are arranged on the cleaning tank.
Preferably, a plurality of electromagnetic valves are arranged on the water production pipeline.
The invention has the following beneficial effects:
1. by adopting the technical scheme, the system is accurately regulated and controlled through the automatic control instrument, the test requirements under different working conditions are simulated, and the industrial production is realized through data acquisition and analysis; furthermore, through the setting of each detection instrument, the data are automatically collected, each parameter curve graph is automatically generated, and experimental test data are more intuitively reflected.
2. The circulating pump is a horizontal centrifugal pump, ball valves are arranged at the inlet and the outlet of the pump, the water production pipeline and the backwashing pipeline are respectively provided with an electromagnetic valve and a ball valve, the concentrated water pipeline and the external discharge pipeline are provided with an electromagnetic valve and a ball valve, and the aeration stirring system, the water inlet pipeline and the tap water pipeline are provided with ball valves; through the technical scheme, the functions of continuous operation, automatic flow matching, automatic back flushing and the like can be realized for the flow of the water inlet pipeline, the flow of the water production pipeline and the flow of the concentrated water pipeline.
3. The tubular microfiltration membrane testing device realizes automation through an automatic valve, an online instrument and the like, solves the problem that the continuous operation cannot be realized in the existing experimental process, also solves the problem that the running parameters cannot be automatically recorded in the testing process of a common experimental device, and further provides parameters and basis for the realization of system stability and automation in the later-stage industrial equipment.
4. This tubular microfiltration membrane testing arrangement is connected with outside moisturizing pipe and also can utilizes clean water tank moisturizing, can be according to the experiment needs, through the rate of recovery of adjustment demand, adjusts three solenoid valve of intaking, product water, dense water and ball valve, satisfies the feed liquid detection realization continuous loop filter to different concentration.
Of course, it is not necessary for any product to practice the invention to achieve all of the above-described advantages simultaneously
Drawings
FIG. 1 is a process flow diagram of a tubular microfiltration membrane testing device according to the invention;
FIG. 2 is a schematic axial view of a tubular microfiltration membrane test apparatus according to the present invention.
In the figure, 1, a cleaning tank; 2. a dense water tank; 3. a clean water tank; 4. a membrane module; 5. backwashing the column; 6. a circulation pump; 7. an aeration stirring system; 8. an electromagnetic valve; 9. a manual valve; 10. a pressure transmitter; 11. a check valve; 12. a flow meter; 13. a water replenishing valve; 14. a pH detector; 15. a pressure gauge; 16. a pressure sensor; 17. a ball valve; 18. a temperature sensor; 19. a transparent liquid level meter; 20. a liquid level transmitter; 21. a water inlet pipeline; 22. a circulation line; 23. a water production pipeline; 24. a concentrated water pipeline; 25. back flushing the pipeline; 26. an equipment frame.
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.
In the description of the present invention, it is to be understood that the terms "opening," "upper," "lower," "thickness," "top," "middle," "length," "inner," "peripheral," and the like are used in an orientation or positional relationship that is merely for convenience in describing and simplifying the description, and do not indicate or imply that the referenced component or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be considered as limiting the present invention.
Referring to fig. 1-2, the tubular microfiltration membrane testing device of the present embodiment includes a cleaning tank 1, a concentrated water tank 2, a clean water tank 3, a water inlet pipeline 21, a circulation pipeline 22, a water production pipeline 23, a concentrated water pipeline 24, and a membrane module 4; the water inlet pipeline 21 is respectively connected with an external water inlet pipeline and the cleaning tank 1, and the cleaning tank 1 is connected with the circulating pipeline 22 through a circulating pump 6; the membrane component 4 is provided with a water inlet, a concentrated water port and a water production port, the circulating pipeline 22 is connected with the water inlet, and the concentrated water port is communicated with the concentrated water tank 2 through a concentrated water pipeline 24; the water producing port is communicated with the clean water tank 3 through a water producing pipeline 23; the water production pipeline 23 and the concentrated water pipeline 24 are both connected with the cleaning tank 1.
Furthermore, a back flushing pipeline 25 is communicated with the water production pipeline 23, and an electromagnetic valve 8 and a manual valve 9 are arranged on the back flushing pipeline 25; a backwashing column 5 is arranged on the water production pipeline 23, the cleaning tank 1 is communicated with an aeration stirring system 7, and the aeration stirring system 7 and the backwashing column 5 are controlled to be opened and closed through an electromagnetic valve 8; the aeration stirring system 7 is used for uniformly mixing feed liquid in the pipe during continuous operation so as to ensure the stability of the quality of inlet water; the backwashing column 5 is used for reversely performing gas washing on the membrane, shares a gas source with the aeration stirring system 7, and is controlled by an electromagnetic valve 8 during backwashing.
Further, a check valve 11 and a pressure transmitter 10 are arranged on the circulating pipeline 22; a water replenishing valve 13, a PH detector 14 and a liquid level transmitter 20 are arranged on the water inlet pipeline 21; the water production pipeline 23 is provided with a pressure transmitter 10 and a plurality of flow meters 12; the concentrated water pipeline 24 is provided with a pressure transmitter 10 and a plurality of electromagnetic valves 8.
Further, the device comprises an equipment frame 26, and a membrane module support, a water inlet pipeline support, a water production pipeline support and a concentrated water pipeline support are fixedly arranged on the equipment frame 26.
Further, a pressure gauge 15 and a pressure sensor 16 are arranged on the circulating pipeline 22, the water production pipeline 23 and the concentrated water pipeline 24.
Further, the water inlet pipeline 21, the concentrated water pipeline 24, the water production pipeline 23 and the back flushing pipeline 25 are also provided with a plurality of ball valves 17.
Further, the circulation line 22 and the water production line 23 are each provided with a plurality of flow meters 12.
Further, a temperature sensor 18 is provided on the circulation line 22.
Further, a transparent liquid level meter 19 and a liquid level transmitter 20 are arranged on the cleaning tank 1, water is supplied during membrane cleaning, and the cleaning tank is also used as a raw water tank during continuous operation.
Furthermore, a plurality of electromagnetic valves 8 are arranged on the water production pipeline 23.
When the device is operated, firstly, feed liquid is pumped into the cleaning tank 1, the tubular microfiltration membrane component is placed into the membrane component 4, the feed liquid is conveyed into the membrane through the circulating pump 6, the feed liquid passes through the surface of the membrane at a high flow rate, the surface of the membrane generates a parallel cross flow shearing action, the deposition and pollution of the feed liquid on the surface of the membrane are avoided, the filtered and permeated clean water flows into the external clean water tank 3 through the valve, and the concentrated water is continuously concentrated in the cleaning tank 1; through the required recovery rate, three electromagnetic valves 8 of water inlet, water production and concentrated water and a ball valve 17 are adjusted to realize continuous circulating filtration; the automatic control instrument automatically records data when the equipment runs.
The cleaning tank 1 and the back washing pipeline 25 are connected with the water production pipeline 23 of the membrane component 4 through pipelines, the back washing mainly adopts gas washing, the membrane component 4 is regularly back washed through the automatic control electromagnetic valve 8, the flowmeter 12 and the pressure gauge 15, so that the stable operation of the membrane component 4 is ensured, and if the equipment is circularly filtered for 30min, the gas washing is adopted for 30 seconds.
For the core part of the equipment, the design principle is a special technical design, a high cross flow velocity of 3-4m/s is adopted to enter the membrane module 4, the integral driving pressure is 0-4bar, and the flux testing range is 100-1000 LMH.
The water production pipeline 23 mainly controls the backflow during cleaning through the electromagnetic valve 8 and the manual valve 9, and water is mainly discharged through the electromagnetic valve 8 and the manual valve 9 during normal test; the manual valve 9 is used for adjusting the stirring gas amount in the cleaning tank 1. The manual valve 8 is used for adjusting the air volume during membrane backwashing and ensuring that the pressure does not exceed the pressure limit of the membrane.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (10)
1. A tubular microfiltration membrane testing device is characterized in that: comprises a cleaning tank (1), a concentrated water tank (2), a clean water tank (3), a water inlet pipeline (21), a circulating pipeline (22), a water production pipeline (23), a concentrated water pipeline (24) and a membrane component (4); the water inlet pipeline (21) is respectively connected with an external water inlet pipeline and a cleaning tank (1), and the cleaning tank (1) is connected with the circulating pipeline (22) through a circulating pump (6); the membrane component (4) is provided with a water inlet, a concentrated water port and a water production port, the circulating pipeline (22) is connected with the water inlet, and the concentrated water port is communicated with the concentrated water tank (2) through a concentrated water pipeline (24); the water producing port is communicated with the clean water tank (3) through a water producing pipeline (23); the water production pipeline (23) and the concentrated water pipeline (24) are both connected with the cleaning tank (1).
2. The tubular microfiltration membrane test device according to claim 1, wherein: a back-flushing pipeline (25) is communicated with the water production pipeline (23), and an electromagnetic valve (8) and a manual valve (9) are arranged on the back-flushing pipeline (25); the water production pipeline (23) is provided with a backwashing column (5), the cleaning tank (1) is connected with an aeration stirring system (7), and the aeration stirring system (7) and the backwashing column (5) are controlled to be opened and closed through the electromagnetic valve (8).
3. The tubular microfiltration membrane test apparatus according to claim 2, wherein: a check valve (11) and a pressure transmitter (10) are arranged on the circulating pipeline (22); a water replenishing valve (13), a PH detector (14) and a liquid level transmitter (20) are arranged on the water inlet pipeline (21); the water production pipeline (23) is provided with a pressure transmitter (10) and a plurality of flow meters (12); and the concentrated water pipeline (24) is provided with a pressure transmitter (10) and a plurality of electromagnetic valves (8).
4. The tubular microfiltration membrane test device according to claim 1, wherein: the membrane component water-saving device is characterized by further comprising an equipment frame (26), wherein a membrane component support, a water inlet pipeline support, a water production pipeline support and a concentrated water pipeline support are fixedly arranged on the equipment frame (26).
5. The tubular microfiltration membrane test device according to claim 1, wherein: and the circulating pipeline (22), the water production pipeline (23) and the concentrated water pipeline (24) are all provided with a pressure gauge (15) and a pressure sensor (16).
6. The tubular microfiltration membrane test apparatus according to claim 2, wherein: the water inlet pipeline (21), the concentrated water pipeline (24), the water production pipeline (23) and the backwashing pipeline (25) are also provided with a plurality of ball valves (17).
7. The tubular microfiltration membrane test device according to claim 1, wherein: the circulating pipeline (22) and the water production pipeline (23) are both provided with a plurality of flow meters (12).
8. The tubular microfiltration membrane test device according to claim 1, wherein: a temperature sensor (18) is arranged on the circulating pipeline (22).
9. The tubular microfiltration membrane test device according to claim 1, wherein: a transparent liquid level meter (19) and a liquid level transmitter (20) are arranged on the cleaning tank (1).
10. The tubular microfiltration membrane test device according to claim 1, wherein: and a plurality of electromagnetic valves (8) are arranged on the water production pipeline (23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011594348.XA CN112816384A (en) | 2020-12-29 | 2020-12-29 | Tubular microfiltration membrane testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011594348.XA CN112816384A (en) | 2020-12-29 | 2020-12-29 | Tubular microfiltration membrane testing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112816384A true CN112816384A (en) | 2021-05-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011594348.XA Pending CN112816384A (en) | 2020-12-29 | 2020-12-29 | Tubular microfiltration membrane testing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112816384A (en) |
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2020
- 2020-12-29 CN CN202011594348.XA patent/CN112816384A/en active Pending
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