CN219156604U - Low-energy-consumption tubular membrane water purification system - Google Patents
Low-energy-consumption tubular membrane water purification system Download PDFInfo
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- CN219156604U CN219156604U CN202320281298.2U CN202320281298U CN219156604U CN 219156604 U CN219156604 U CN 219156604U CN 202320281298 U CN202320281298 U CN 202320281298U CN 219156604 U CN219156604 U CN 219156604U
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- tubular membrane
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- suction pump
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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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/124—Water desalination
- Y02A20/131—Reverse-osmosis
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Abstract
The utility model relates to a low-energy-consumption tubular membrane water purification system, which comprises a concentration tank, a circulating pump, a suction pump and a tubular membrane component; the water outlet end of the concentration tank is connected with a circulating pump, and the circulating pump conveys sewage in the concentration tank to the tubular membrane assembly through a pipeline; the water producing end of the tubular membrane assembly is connected with a suction pump, and the suction pump drains purified water produced by the tubular membrane assembly to a water producing pool. In the technical scheme, a low-lift circulating pump is adopted, and only concentrated water is pumped into a tubular membrane system, so that driving force required by solid-liquid separation is not required; then a small-power suction pump is added on the water producing side, and purified water on the concentrated water side is sucked from the water producing side, so that under the tubular membrane system with the same capacity, compared with the traditional tubular membrane water purifying system field only using a circulating pump, the energy consumption is reduced by about 40%.
Description
Technical Field
The utility model relates to the field of tubular membrane water purification, in particular to a low-energy-consumption tubular membrane water purification system.
Background
In the field of industrial wastewater recycling treatment, the tubular microfiltration membrane solid-liquid separation technology is widely applied, and the technology can be adopted to intercept a solid-liquid mixture in a system, filtered clean water flows to a next unit, and concentrated water flows to a subsequent treatment device. The tubular membrane adopts an internal pressure driving filtration mode to realize solid-liquid separation of wastewater, wastewater flows in from an inlet in the cross-flow filtration process of the tubular membrane system, and the inflow water is separated into concentrated water and produced water through membrane separation, so that the ratio of the concentrated water to the produced water flowing out at the moment forms a circulating water production ratio. In the traditional internal pressure filter tube type membrane system, the ratio of the circulating water production is 7-10 times, the water production flow is very small compared with the circulating flow, in other words, only a small proportion of water production is obtained, a high-flow and high-lift circulating pump is required to provide driving pressure, the energy consumption required by unit water production is very high, and the important consideration of the water purification system adopting the tube type membrane is how to reduce the energy consumption required by the system and realize the high-efficiency water purification function.
Disclosure of Invention
The utility model aims to solve the technical problem of providing a low-energy-consumption tubular membrane water purification system, which realizes the reduction of the energy consumption required by unit water yield in a stable and reliable mode of double-pump driving time-sharing intervention.
In order to solve the technical problems, the utility model is realized in the following way: the utility model relates to a low-energy-consumption tubular membrane water purification system, which comprises a concentration tank, a circulating pump, a suction pump and a tubular membrane component; the water outlet end of the concentration tank is connected with a circulating pump, and the circulating pump conveys sewage in the concentration tank to the tubular membrane assembly through a pipeline; the water producing end of the tubular membrane assembly is connected with a suction pump, and the suction pump drains purified water produced by the tubular membrane assembly to a water producing pool.
And a pipeline connected with the circulating pump and the tubular membrane component is provided with a water inlet valve and a water inlet flowmeter.
The concentrated water outlet end of the tubular membrane assembly is connected to the upper part of the concentration tank through a pipeline, a concentrated water valve is arranged on the pipeline, and concentrated water is drained into the concentration tank for circulating filtration again.
A water producing valve is arranged on a pipeline connected with the suction pump at the water producing end of the tubular membrane assembly; a water production flowmeter is arranged on a pipeline at the water outlet end of the suction pump.
The utility model has the positive effects that:
in order to effectively reduce energy consumption, the low-lift circulating pump is adopted in the technical scheme, and only concentrated water is pumped into the tubular membrane system, so that driving force required by solid-liquid separation is not required; then a small-power suction pump is added on the water producing side, and purified water on the concentrated water side is sucked from the water producing side, so that under the tubular membrane system with the same capacity, compared with the traditional tubular membrane water purifying system field only using a circulating pump, the energy consumption is reduced by about 40%.
Drawings
The utility model will be described in further detail with reference to the drawings and the detailed description.
FIG. 1 is a schematic view of the structure of the present utility model
In the figure, 1, a concentration tank; 2. a circulation pump; 3. a water inlet valve; 4. a water inlet flowmeter; 5. a tubular membrane assembly; 6. a concentrate valve; 7. a water producing valve; 8. a suction pump; 9. a water production flowmeter; 10. and (5) a water producing pool.
Detailed Description
As a specific embodiment of the utility model, as shown in FIG. 1, the low-energy-consumption tubular membrane water purification system comprises a concentration tank 1, a circulating pump 2, a suction pump 8 and a tubular membrane assembly 5; the water outlet end of the concentration tank 1 is connected with a circulating pump 2, a water inlet valve 3 and a water inlet flowmeter 4 are arranged on a pipeline connected with the circulating pump 2 and the tubular membrane assembly 5, the circulating pump 2 conveys sewage in the concentration tank 1 to the tubular membrane assembly 5 through the pipeline, the concentrated water outlet end of the tubular membrane assembly 5 is connected to the upper part of the concentration tank 1 through the pipeline, a concentrated water valve 6 is arranged on the pipeline, and the concentrated water is drained into the concentration tank 1 for circulating filtration again; the water producing end of the tubular membrane assembly 5 is connected with the suction pump 8, a water producing valve 7 is arranged on a pipeline connected with the suction pump 8 at the water producing end of the tubular membrane assembly 5, a water producing flow meter 9 is arranged on a pipeline at the water outlet end of the suction pump 8, and the suction pump 8 drains purified water produced by the tubular membrane assembly 5 to a water producing pool 10.
The working process of the utility model comprises the following steps:
step S1: in the system starting stage, firstly, a circulating pump 2 and a water inlet valve 3 are opened, and concentrated water in a concentration tank 1 is pumped into a tubular membrane assembly 5 through the circulating pump 2;
step S2: after the concentrated water flows back to the concentration tank 1 from the concentrated water outlet end of the tubular membrane assembly 5 through the concentrated water valve 6, the whole system is in a full water state at the moment; starting a suction pump 8, providing a transmembrane pressure difference for produced water by manufacturing negative pressure on the water producing side of the tubular membrane assembly 5, driving purified water to be produced through the purified water end of the tubular membrane assembly 5, and conveying the purified water to a water producing tank 10; at this time, the system is in a normal continuous stable working state;
step S3: in the system stop operation phase, the suction pump 8 is stopped first, and then the circulation pump 2 can be stopped.
Through the arrangement of the workflow, the lift of the circulating pump 2 can be reduced, and the power of the circulating pump 2 can be reduced by 50% compared with the traditional system configuration; the flow of the suction pump 8 arranged on the water production side needs 10% -15% of the flow of the circulating pump 2, so that the required power is small, and compared with the original operation mode of the circulating pump 2 with high lift and high power, the mode of the low-lift circulating pump 2 matched with the low-power suction pump 8 is reduced by about 40% in whole energy consumption.
It should be noted that the foregoing is merely a preferred embodiment of the apparatus structure of the present utility model, and is not intended to limit the technical scope of the present utility model. Therefore, any minor modifications, modifications and equivalent changes made to the above examples in accordance with the core technology of the present utility model are within the scope of the present utility model, and all fall within the protection scope of the present utility model.
Claims (4)
1. A low energy consumption tubular membrane water purification system which is characterized in that: comprises a concentration tank, a circulating pump, a suction pump and a tubular membrane component; the water outlet end of the concentration tank is connected with a circulating pump, and the circulating pump conveys sewage in the concentration tank to the tubular membrane assembly through a pipeline; the water producing end of the tubular membrane assembly is connected with a suction pump, and the suction pump drains purified water produced by the tubular membrane assembly to a water producing pool.
2. A low energy tubular membrane water purification system as claimed in claim 1 wherein: and a pipeline connected with the circulating pump and the tubular membrane component is provided with a water inlet valve and a water inlet flowmeter.
3. A low energy tubular membrane water purification system as claimed in claim 1 wherein: the concentrated water outlet end of the tubular membrane assembly is connected to the upper part of the concentration tank through a pipeline, a concentrated water valve is arranged on the pipeline, and concentrated water is drained into the concentration tank for circulating filtration again.
4. A low energy tubular membrane water purification system as claimed in claim 1 wherein: a water producing valve is arranged on a pipeline connected with the suction pump at the water producing end of the tubular membrane assembly; a water production flowmeter is arranged on a pipeline at the water outlet end of the suction pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320281298.2U CN219156604U (en) | 2023-02-22 | 2023-02-22 | Low-energy-consumption tubular membrane water purification system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320281298.2U CN219156604U (en) | 2023-02-22 | 2023-02-22 | Low-energy-consumption tubular membrane water purification system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219156604U true CN219156604U (en) | 2023-06-09 |
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ID=86640593
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320281298.2U Active CN219156604U (en) | 2023-02-22 | 2023-02-22 | Low-energy-consumption tubular membrane water purification system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219156604U (en) |
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2023
- 2023-02-22 CN CN202320281298.2U patent/CN219156604U/en active Active
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