CN215610602U - Flat ceramic membrane water treatment experimental device - Google Patents
Flat ceramic membrane water treatment experimental device Download PDFInfo
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- CN215610602U CN215610602U CN202122154772.9U CN202122154772U CN215610602U CN 215610602 U CN215610602 U CN 215610602U CN 202122154772 U CN202122154772 U CN 202122154772U CN 215610602 U CN215610602 U CN 215610602U
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Abstract
The utility model belongs to the technical field of flat ceramic film water treatment application, and discloses a flat ceramic film water treatment experimental device which comprises a flat ceramic film element, a sewage tank and a purified water tank, wherein the flat ceramic film element is arranged in the sewage tank and is respectively communicated with the purified water tank through a water outlet pipeline and a water return pipeline, the water outlet pipeline is respectively provided with a first rotameter, a first suction pump and a first valve, the water return pipeline is respectively provided with a second rotameter, a second suction pump and a second valve, a communication pipeline is arranged between the water outlet pipeline and the water return pipeline, and the communication pipeline is provided with a pressure gauge; and an aeration pipeline is arranged at the bottom of the sewage tank and is communicated with an aeration pump. The utility model realizes the functions of aeration, sewage filtration and back washing of the flat ceramic membrane, can be suitable for testing the flat ceramic membranes with different sizes, and has the advantages of simple structure and low manufacturing cost.
Description
Technical Field
The utility model belongs to the technical field of flat ceramic membrane water treatment application, and particularly discloses a flat ceramic membrane water treatment experimental device.
Background
The domestic sewage has high content of organic matters and ammonia nitrogen, and also contains synthetic detergent, bacteria, viruses, parasitic ova and the like. Aiming at the water quality characteristics of the sewage, the domestic sewage treatment equipment adopts a technology of combining high-precision separation and biological treatment of a flat ceramic membrane, realizes sludge-water separation by utilizing the high-precision interception effect of the flat ceramic membrane, has the interception rate of bacteria, viruses and parasites up to more than 99 percent, has stable and clear water quality after treatment, has no peculiar smell, can be recycled, and realizes the resource utilization of the sewage.
In the process of research and development of the ceramic flat membrane, the filtering performance of the ceramic flat membrane needs to be detected, and a set of flat ceramic membrane water treatment experimental device with sound functions is needed.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a flat ceramic membrane water treatment experimental device aiming at the defects of the prior art, which has the functions of aeration, sewage filtration and backwashing, can visually observe the working principle of a flat ceramic membrane, accurately test the membrane flux and the filtration effect of the flat ceramic membrane and provide data support for the research and development of the flat ceramic membrane.
The purpose of the utility model is realized by the following technical scheme:
the flat ceramic membrane water treatment experimental device comprises a flat ceramic membrane element, a sewage tank and a purified water tank, wherein the flat ceramic membrane element is arranged in the sewage tank and is respectively communicated with the purified water tank through a water outlet pipeline and a water return pipeline, the water outlet pipeline is respectively provided with a first rotameter, a first suction pump and a first valve, the water return pipeline is respectively provided with a second rotameter, a second suction pump and a second valve, a communicating pipeline is arranged between the water outlet pipeline and the water return pipeline, and the communicating pipeline is provided with a pressure gauge; and an aeration pipeline is arranged at the bottom of the sewage tank and is communicated with an aeration pump.
As an embodiment of the present invention, the flat ceramic membrane element includes a plurality of ceramic membranes, two ends of each ceramic membrane are sealed, and one sealed end of each ceramic membrane is provided with a water outlet, one end of each water outlet is communicated with the inside of the flat ceramic membrane, and the other end of each water outlet is communicated with the water outlet pipe and the water return pipe through a water collecting pipe.
In one embodiment of the present invention, one end of the water outlet pipe and one end of the water return pipe are respectively disposed at the top and the bottom of the clean water tank.
In one embodiment of the present invention, the first suction pump and the second suction pump each employ a diaphragm pump.
In one embodiment of the present invention, the first and second rotameters are each provided with a regulating valve.
As an embodiment of the present invention, the pressure gauge is a positive and negative pressure gauge.
As an embodiment of the utility model, the sewage tank, the water purification tank, the water outlet pipeline, the water return pipeline, the water collecting pipeline, the communicating pipeline and the aeration pipeline are all transparent structures.
Compared with the prior art, the utility model has the following beneficial effects:
the flat ceramic membrane element is communicated with the water purification tank through the water outlet pipeline to form a sewage filtration system, and the power and the water yield are provided through the first rotor flow meter, the first suction pump and the first valve, so that the control of sewage filtration is realized; the flat ceramic membrane element is communicated with the water purification tank through a water return pipeline to form a backwashing system, and the backwashing control is realized by providing power and controlling the water yield through the first rotor flow meter, the first suction pump and the first valve; the bottom of the sewage tank is communicated with an aeration pump through an aeration pipeline to form an aeration system. Through the scheme, the flat ceramic membrane water treatment experimental device realizes the functions of flat ceramic membrane aeration, sewage filtration and backwashing, can be suitable for testing flat ceramic membranes with different sizes, and has the advantages of simple structure and low manufacturing cost.
Additional features and advantages of the utility model will be set forth in the detailed description which follows.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a flat ceramic membrane water treatment experimental device.
The system comprises a sewage tank 1, a flat ceramic membrane element 2, an explosion pump 3, a water purification tank 4, a first rotor flowmeter 5, a first suction pump 6, a first valve 7, a pressure gauge 8, a second valve 9, a second rotor flowmeter 10, a second suction pump 11, a water outlet pipeline 12, a water return pipeline 13, a water collecting pipeline 14, a communicating pipeline 15 and an aeration pipeline 16.
Detailed Description
The present invention will be further described with reference to the following detailed description, wherein the drawings are provided for illustrative purposes only and are not intended to be limiting; to better illustrate the embodiments of the present invention, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.
Referring to fig. 1, the present embodiment provides a flat ceramic membrane water treatment experimental apparatus, including a flat ceramic membrane element 2, a sewage tank 1 and a clean water tank 4, where the flat ceramic membrane element 2 is disposed in the sewage tank 1 and is respectively communicated with the clean water tank 4 through a water outlet pipe 12 and a water return pipe 13, the water outlet pipe 12 is respectively provided with a first rotameter 5, a first suction pump 6 and a first valve 7, the water return pipe 13 is respectively provided with a second rotameter 10, a second suction pump 11 and a second valve 9, a communication pipe 15 is disposed between the water outlet pipe 12 and the water return pipe 13, and the communication pipe 15 is provided with a pressure gauge 8; an aeration pipeline 16 is arranged at the bottom of the sewage tank 1, and the aeration pipeline 16 is communicated with the aeration pump 3.
In the scheme, the flat ceramic membrane element 2 is communicated with the water purification tank 4 through the water outlet pipeline 12 to form a sewage filtering system, and the power and the water outlet quantity are provided through the first rotor flowmeter 5, the first suction pump 6 and the first valve 7 to realize the control of sewage filtering; the flat ceramic membrane element 2 is communicated with the water purification tank 4 through a water return pipeline 13 to form a backwashing system, and similarly, power and water yield are provided and controlled through a second rotor flow meter 10, a second suction pump 11 and a second valve 9, so that backwashing control is realized; the bottom of the sewage tank 1 is communicated with an aeration pump 3 through an aeration pipeline 16 to form an aeration system.
The aeration system can avoid sedimentation of suspended particles in the sewage, prevent the suspended particles from attaching to the surface of the flat ceramic membrane 2 and prevent pore channels from being blocked; the sewage filtering system can effectively detect the filtering effect of the flat ceramic membrane 2; the back washing system can wash away substances blocked in the pore channel of the flat ceramic membrane 2 through reverse water pressure, so that the pore channel of the flat ceramic membrane 2 is ensured to be smooth, and the water flux of the flat ceramic membrane 2 can be recovered.
Through the scheme, the flat ceramic membrane water treatment experimental device realizes the functions of flat ceramic membrane aeration, sewage filtration and backwashing, can be suitable for testing flat ceramic membranes with different sizes, and has the advantages of simple structure and low manufacturing cost.
Specifically, in the present embodiment, the flat ceramic membrane element 2 is placed in the sewage tank 1 and is required to be submerged below the water surface and cannot be exposed to the air, the flat ceramic membrane element 2 generally includes a plurality of ceramic membranes, two ends of each ceramic membrane are sealed, and one sealed end of each ceramic membrane is provided with a water outlet, one end of each water outlet is communicated with the inside of the flat ceramic membrane 2, and the other end of each water outlet is communicated with the water outlet pipe 12 and the water return pipe 13 through the water collecting pipe 14. One end of the water outlet pipe 12 and one end of the water return pipe 13 are respectively arranged at the top and the bottom of the water purifying tank 4. The first suction pump 6 and the second suction pump 11 are both diaphragm pumps. The pressure gauge 8 adopts a positive and negative pressure gauge. The first rotor flowmeter 5 and the second rotor flowmeter 10 are both provided with regulating valves. In the device, the sewage tank 1, the water purification tank 4, the water outlet pipeline 12, the water return pipeline 13, the water collecting pipeline 14, the communicating pipeline 15 and the aeration pipeline 16 are all transparent structures.
The first rotor flowmeter 5 and the second rotor flowmeter 10 are both provided with regulating valves, so that the flow can be conveniently controlled; the sewage tank 1, the water purification tank 4, the water outlet pipeline 12, the water return pipeline 13, the water collecting pipeline 14 and the communicating pipeline 15 can be made of transparent acrylic materials and the like, so that the running state of the water treatment device and the sewage treatment effect can be observed visually; the pressure gauge 8 is a positive and negative pressure gauge, and can be used for monitoring positive and negative pressure of the device in the running state.
The working process of the embodiment is as follows:
s1, a flat ceramic membrane element 2 to be tested is placed in an open sewage tank 1, and the flat ceramic membrane element 2 needs to be completely immersed in sewage and cannot be in contact with air.
S2, gas explosion: and starting the explosion pump 3 to continuously blow air into the sewage in the sewage tank 1, so as to prevent the particles from being attached to the surface of the flat ceramic membrane element 2 to block the membrane hole.
S3, sewage filtration: the second valve 9 is closed firstly, then the first valve 7 is opened, the first suction pump 6 is started, and after the vacuum degree in the observation pressure gauge 8 reaches a stable value, the sewage is filtered by the flat ceramic membrane 2 to remove particle suspended matters, and clear water is obtained and discharged into the water purification tank 4.
S4, backwashing: the first suction pump 6 and the first valve 7 are closed, the second valve 9 is opened, and the second suction pump 11 is started, so that the water in the purified water tank 4 performs back washing on the flat ceramic membrane element 2, and the effect of dredging the ceramic membrane pore channel is achieved.
In step S4, since the outlet rate of the purified water is reduced after the device is operated for a certain period of time, because the membrane pores are partially blocked due to the long-term operation of the flat ceramic membrane element 2, the backwashing system needs to be opened to dredge the membrane pores.
In step S4, the flow rate and the back-washing pressure can be controlled by the second rotameter 10 during the back-washing process, so as to avoid damage to the flat ceramic membrane element due to excessive pressure.
In the above working process, for testing the membrane flux and the filtering effect of the flat ceramic membrane, relevant data can be obtained by combining with a detected water sample through parameters such as pressure, flow, time and the like, and the detailed description is not repeated here.
The preferred embodiments of the present invention have been described in detail above with reference to the accompanying drawings, but the present invention is not limited thereto. Within the scope of the technical idea of the utility model, numerous simple modifications can be made to the technical solution of the utility model, including combinations of the individual specific technical features in any suitable way. The utility model is not described in detail in order to avoid unnecessary repetition. Such simple modifications and combinations should be considered within the scope of the present disclosure as well.
Claims (7)
1. The experimental device for the water treatment of the flat ceramic membrane is characterized by comprising a flat ceramic membrane element (2), a sewage tank (1) and a water purification tank (4), wherein the flat ceramic membrane element (2) is arranged in the sewage tank (1) and is respectively communicated with the water purification tank (4) through a water outlet pipeline (12) and a water return pipeline (13), the water outlet pipeline (12) is respectively provided with a first rotameter (5), a first suction pump (6) and a first valve (7), the water return pipeline (13) is respectively provided with a second rotameter (10), a second suction pump (11) and a second valve (9), a communicating pipeline (15) is arranged between the water outlet pipeline (12) and the water return pipeline (13), and the communicating pipeline (15) is provided with a pressure gauge (8); an aeration pipeline (16) is arranged at the bottom of the sewage tank (1), and the aeration pipeline (16) is communicated with the explosion pump (3).
2. The experimental device for water treatment of the flat ceramic membrane according to claim 1, wherein the flat ceramic membrane element (2) comprises a plurality of ceramic membranes, each ceramic membrane is sealed at two ends, and a water outlet is arranged at one sealed end, one end of the water outlet is communicated with the interior of the flat ceramic membrane, and the other end of the water outlet is communicated with the water outlet pipeline (12) and the water return pipeline (13) through a water collecting pipeline (14).
3. The experimental facility for water treatment with a flat ceramic membrane according to claim 1, wherein one end of the water outlet pipe (12) and one end of the water return pipe (13) are respectively disposed at the top and the bottom of the water purifying tank (4).
4. The experimental facility for water treatment with flat ceramic membrane according to claim 1, wherein the first suction pump (6) and the second suction pump (11) are both diaphragm pumps.
5. The experimental device for water treatment of the flat ceramic membrane according to claim 1, wherein the first rotor flowmeter (5) and the second rotor flowmeter (10) are provided with regulating valves.
6. The experimental facility for water treatment with flat ceramic membrane as claimed in claim 1, wherein the pressure gauge (8) is a positive/negative pressure gauge.
7. The experimental device for water treatment of the flat ceramic membrane according to any one of claims 1 to 6, wherein the sewage tank (1), the clean water tank (4), the water outlet pipe (12), the water return pipe (13), the water collecting pipe (14), the communication pipe (15) and the aeration pipe (16) are all transparent structures.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122154772.9U CN215610602U (en) | 2021-09-07 | 2021-09-07 | Flat ceramic membrane water treatment experimental device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122154772.9U CN215610602U (en) | 2021-09-07 | 2021-09-07 | Flat ceramic membrane water treatment experimental device |
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| Publication Number | Publication Date |
|---|---|
| CN215610602U true CN215610602U (en) | 2022-01-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202122154772.9U Active CN215610602U (en) | 2021-09-07 | 2021-09-07 | Flat ceramic membrane water treatment experimental device |
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| CN (1) | CN215610602U (en) |
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2021
- 2021-09-07 CN CN202122154772.9U patent/CN215610602U/en active Active
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