CN215626946U - Efficient backwashing device based on Eco-iGDM technology - Google Patents
Efficient backwashing device based on Eco-iGDM technology Download PDFInfo
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- CN215626946U CN215626946U CN202120164024.6U CN202120164024U CN215626946U CN 215626946 U CN215626946 U CN 215626946U CN 202120164024 U CN202120164024 U CN 202120164024U CN 215626946 U CN215626946 U CN 215626946U
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Abstract
The utility model discloses an Eco-iGDM technology-based efficient backwashing device, which comprises a backwashing water tank, wherein the backwashing water tank is connected with a water production tank, a backwashing water tank water inlet valve is arranged on a pipeline for communicating the backwashing water tank with the water production tank, the backwashing water tank is connected with a backwashing valve, a backwashing water pump is arranged on a pipeline for communicating the backwashing water tank with the backwashing valve, the backwashing water pump is connected with a first frequency conversion control device and is communicated with a backwashing water inlet at the top of an ultrafiltration membrane assembly, a backwashing medicine adding device is arranged on a pipeline for communicating the backwashing water inlet, a medicine adding control valve is arranged on a pipeline for communicating the medicine adding device with the backwashing water inlet, a sludge collecting device is arranged at the bottom of the ultrafiltration membrane assembly, and a microporous intermittent aeration device is arranged at the bottom of a membrane pool where the ultrafiltration membrane assembly is located; the utility model has the advantages that: can provide better backwash effect, carry out high strength to ultrafiltration device and rinse repeatedly, the device equipment is compact, and occupation of land space is little, and pipeline and equipment are arranged rationally.
Description
Technical Field
The utility model belongs to the technical field of water treatment, and particularly relates to a high-efficiency backwashing device based on an Eco-iGDM technology.
Background
The Eco-iGDM equipment integrates a membrane pool, a pipeline, a valve, an automatic control and a cloud platform into a whole by taking an immersed ultrafiltration membrane as a core treatment process, a port of a peripheral pipeline is reserved on the equipment, the equipment is connected with the peripheral pipeline such as a water inlet pipe, a water supply pipe and a sewage discharge pipe after arriving at the site, and water can be introduced after the system is debugged, so that the Eco-iGDM equipment is simple to install, the site workload is greatly reduced, and the Eco-iGDM equipment has the characteristic of short construction period. The system adopts full-automatic control, and the cloud platform of the Internet of things is used for remote monitoring, so that the operation is simple, the operation management is convenient, and the system is widely applied to small and medium-sized water supply plants in villages and small towns.
The ultrafiltration membrane process has the removal rate of bacteria, viruses, algae, red worms, young eggs and the like in water bodies as high as 99.99 percent, common ultrafiltration membrane columns comprise tubular membranes, hollow fibers, plate frame type membranes, roll type membranes and the like, and currently, the municipal water supply generally adopts hollow fiber membranes which are divided into internal pressure type and external pressure type. In practical application, the ultrafiltration membrane module comprises two forms of a columnar membrane and an immersed membrane, wherein the columnar membrane is used for containing the membrane element in a container. The columnar membrane is generally pressed into the container by a pump to be filtered, and can bear higher pressure. The columnar membrane can be an internal pressure type or an external pressure type; the immersed ultrafiltration membrane is a membrane form in which a hollow fiber membrane is immersed in a water tank or a water pool and is filtered by means of a water head difference between the front and the rear or a suction pump, and the immersed membrane belongs to an external pressure type.
After the ultrafiltration device is operated for a period of time, the transmembrane pressure difference of ultrafiltration can rise due to the pollution of inorganic matters, organic matters and microorganisms in water. The transmembrane pressure difference is an important index for measuring the pollution degree of the ultrafiltration membrane in the using process, and is a difference value between internal and external pressures of the hollow fiber membrane, and can reflect the pollution degree of the membrane surface. As contaminants accumulate on the membrane surface, the transmembrane pressure differential increases, thus requiring periodic backwashing of the ultrafiltration membrane to delay the increase in transmembrane pressure differential.
The utility model content is as follows:
the utility model aims to overcome the limitations and provides the Eco-iGDM technology-based efficient backwashing device which has the advantages that the frequency of the air blower and the backwashing water pump is controlled by adopting variable frequency, the frequency can be controlled according to the equipment pollution condition, whether backwashing medicine adding is needed or not is judged, and the efficient backwashing effect is realized.
The purpose of the utility model is realized by the following technical scheme: a high-efficiency backwashing device based on Eco-iGDM technology comprises a backwashing water tank, the backwashing water tank is connected with a water production tank, a backwashing water tank water inlet valve is arranged on a pipeline for communicating the backwashing water tank with the water production tank, the backwashing water tank is connected with a backwashing valve, a backwashing water pump is arranged on a pipeline for communicating the backwashing water tank with the backwashing valve, the backwashing water pump is connected with a first frequency conversion control device and is communicated with a backwashing water inlet at the top of an ultrafiltration membrane assembly, the backwashing water inlet is a water production port of the ultrafiltration membrane assembly when the ultrafiltration membrane assembly filters, the backwashing water inlet is connected with the water production tank, a water production tank water inlet valve is arranged on a communicating pipeline for communicating the backwashing water inlet with the water production tank, a backwashing dosing device is arranged on a pipeline for communicating the backwashing dosing device with the backwashing water inlet, a sludge collecting device is arranged at the bottom of the ultrafiltration membrane assembly, and the sludge collecting device are communicated with a sewage discharge port, the ultrafiltration membrane subassembly top is equipped with the vacuum suction pump, be equipped with the evacuation control valve on the pipeline of vacuum suction pump and backwash water inlet intercommunication, it is located ultrafiltration membrane subassembly bottom to produce the water tank, the membrane bottom of the pool portion at ultrafiltration membrane subassembly place is equipped with micropore intermittent aeration device, micropore intermittent aeration device and air-blower connection, the air-blower is controlled by second frequency conversion control device, first frequency conversion control device and second frequency conversion control device all are connected with the control box and control, and the control box is connected with pollution degree detection device, pollution degree detection device is located inside the membrane pond.
Preferably, the water inlet valve of the backwashing water tank, the backwashing valve, the water inlet valve of the water production tank, the backwashing medicine adding device, the medicine adding control valve, the vacuum suction pump and the vacuumizing control valve are all controlled by the control box.
Preferably, the sludge collecting device is provided with a water outlet which is communicated with the waste water tank.
Preferably, in the backwashing device, the ultrafiltration membrane component is positioned at the upper part of the other equipment, and the ultrafiltration membrane component and the membrane pool are lifted so as to realize gravity siphon water production by utilizing the liquid level difference between the ultrafiltration membrane component and the water production tank.
In summary, the utility model has the following advantages: the frequency conversion control is adopted by the blower and the backwashing water pump, the frequency can be controlled according to the pollution condition of equipment, the high-efficiency backwashing effect is realized, meanwhile, the pipeline, the pump and other equipment are arranged at the lower part of the ultrafiltration membrane component, the membrane tank is lifted, so that the gravity siphon water production is realized by better utilizing the liquid level difference between the ultrafiltration membrane tank and the water production tank, the whole device operates in micro-power, the energy consumption is obviously reduced, the operation cost is extremely low, the arrangement of space equipment is accurately divided, the inspection and the maintenance are convenient, the equipment integration degree is obviously improved, the treatment process is compact, after the equipment with the backwashing device arrives at the site, the water supply can be completed only by connecting with peripheral pipelines such as a water inlet pipe and a sewage discharge pipe and debugging the system, the installation is simple, the site workload is greatly reduced, the whole membrane tank structure is based on the Eco-iGDM technology, namely, the ultrafiltration technology is taken as the core, and the advancement of the design concept of a water plant is reflected, it is widely applicable to small and medium water supply plants in villages and towns.
Description of the drawings:
FIG. 1 is a block diagram of the present invention;
reference numbers in the figures: 1-backwashing water tank, 2-water production tank, 3-backwashing water tank water inlet valve, 4-backwashing valve, 5-backwashing water pump, 6-first frequency conversion control device, 7-ultrafiltration membrane component, 8-backwashing water inlet, 9-water production tank water inlet valve, 10-backwashing medicine adding device, 11-medicine adding control valve, 12-sludge collection device, 13-sewage outlet, 14-vacuum suction pump, 15-vacuum pumping control valve, 16-micropore intermittent aeration device, 17-air blower, 18-second frequency conversion control device, 19-control box, 20-water outlet and 21-waste water tank.
The specific implementation mode is as follows:
for the purpose of enhancing the understanding of the present invention, the present invention will be further described in detail with reference to the following examples and the accompanying drawings, which are only used for explaining the present invention and are not to be construed as limiting the scope of the present invention.
As shown in figure 1, the utility model provides a high-efficiency backwashing device based on Eco-iGDM technology, which comprises a backwashing water tank 1, wherein the backwashing water tank 1 is connected with a water production tank 2, a backwashing water tank water inlet valve 3 is arranged on a pipeline communicated with the water production tank 2 and the backwashing water tank 1, the backwashing water tank 1 is connected with a backwashing valve 4, a backwashing water pump 5 is arranged on a pipeline communicated with the backwashing valve 4 and the backwashing water tank 1, the backwashing water pump 5 is connected with a first variable frequency control device 6 and is communicated with a backwashing water inlet 8 at the top of an ultrafiltration membrane assembly 7, the backwashing water inlet 8 is a water production port of the ultrafiltration membrane assembly when the ultrafiltration membrane assembly 7 filters, the backwashing water inlet 8 is connected with the water production tank 2, a water production tank 9 is arranged on a pipeline communicated with the backwashing water inlet 8, a backwashing device 10 is arranged on a medicine adding pipeline communicated with the backwashing water inlet valve 8, a medicine adding device 10 is arranged on a pipeline communicated with the backwashing water inlet valve 8, acid or alkali agents are added into backwashing clear water, so that stains on the surface of the membrane yarn are decomposed, and a better cleaning effect is achieved; the bottom of the ultrafiltration membrane component 7 is provided with a sludge collecting device 12, the sludge collecting device 12 is communicated with a sewage discharge outlet 13, the top of the ultrafiltration membrane component 7 is provided with a vacuum suction pump 14, a pipeline of the vacuum suction pump 14 communicated with a backwashing water inlet 8 is provided with a vacuumizing control valve 15, the water production tank 2 is positioned at the bottom of the ultrafiltration membrane component 7, the bottom of a membrane pool where the ultrafiltration membrane component 7 is positioned is provided with a micropore intermittent aeration device 16, the micropore intermittent aeration device 16 is connected with an air blower 17, the air blower 17 is controlled by a second variable frequency control device 18, the first variable frequency control device 6 and the second variable frequency control device 18 are both connected with and controlled by a control box 19, the control box 19 is connected with a pollution degree detection device, the pollution degree detection device is positioned inside the membrane pool, namely, the micropore intermittent aeration device 16 is started during backwashing, air is blown towards the surface of the ultrafiltration membrane filaments to generate shearing force to enable sludge on the surface of the membrane filaments to fall off, the pollution degree detection device detects the pollution degree of water inside the membrane pool and feeds back to the control box 19, the control box 19 controls the first variable frequency control device 6 and the second variable frequency control device 18 according to the feedback water pollution data, so that the backwash water tank water inlet valve 3, the backwash valve 4, the backwash water pump 5 and the micropore intermittent aeration device 16 are matched and operated step by step according to requirements, meanwhile, the control box 19 controls the backwash medicine adding device 10 and the medicine adding control valve 11 to add medicine into backwash water, and controls the water tank water inlet valve 9, the vacuum suction pump 14 and the vacuumizing control valve 15 to reach the required vacuum degree and the water production rate, so that the optimal cleaning effect on the ultrafiltration membrane wires is achieved.
The sludge collecting device 12 is provided with a water outlet 20, the water outlet 20 is communicated with a waste water tank 21, after the ultrafiltration membrane filaments are subjected to backwashing, water in the membrane tank is emptied through the water outlet 20, and a new backwashing step is performed.
In the backwashing device, the ultrafiltration membrane component 7 is positioned at the upper part of other equipment, the ultrafiltration membrane component 7 and the membrane pool are lifted so as to realize gravity siphon water production by utilizing the liquid level difference between the ultrafiltration membrane component 7 and the water production tank 2, the whole equipment can run under micro power, the energy consumption is obviously reduced, the running cost is extremely low, the equipment integration level is obviously improved, the treatment process is compact, the occupied area is reduced, and only 20 percent of the occupied area of the traditional treatment process is needed.
Claims (4)
1. An efficient backwashing device based on an Eco-iGDM technology is characterized in that: comprises a backwashing water tank (1), the backwashing water tank (1) is connected with a water production tank (2), a backwashing water tank water inlet valve (3) is arranged on a pipeline communicating the backwashing water tank (1) with the water production tank (2), the backwashing water tank (1) is connected with a backwashing valve (4), a backwashing water pump (5) is arranged on a pipeline communicating the backwashing water tank (1) with the backwashing valve (4), the backwashing water pump (5) is connected with a first frequency conversion control device (6) and is communicated with a backwashing water inlet (8) at the top of an ultrafiltration membrane assembly (7), the backwashing water inlet (8) is a water production port of the ultrafiltration membrane assembly when the ultrafiltration membrane assembly (7) filters, the backwashing water inlet (8) is connected with the water production tank (2), a water production tank water inlet valve (9) is arranged on a pipeline communicating the backwashing water inlet (8) with the water production tank (2), and a backwashing device (10) is arranged on a pipeline communicating the backwashing water inlet (8), the backwashing medicine adding device (10) is communicated with the backwashing water inlet (8) through a pipeline, a medicine adding control valve (11) is arranged on the pipeline, the bottom of the ultrafiltration membrane assembly (7) is provided with a sludge collecting device (12), the sludge collecting device (12) is communicated with a sewage discharge outlet (13), the top of the ultrafiltration membrane assembly (7) is provided with a vacuum suction pump (14), the pipeline, communicated with the backwashing water inlet (8), of the vacuum suction pump (14) is provided with a vacuumizing control valve (15), the water production tank (2) is positioned at the bottom of the ultrafiltration membrane assembly (7), the bottom of a membrane pool where the ultrafiltration membrane assembly (7) is positioned is provided with a micropore intermittent aeration device (16), the micropore intermittent aeration device (16) is connected with a blower (17), the blower (17) is controlled by a second variable frequency control device (18), and the first variable frequency control device (6) and the second variable frequency control device (18) are both connected and controlled by a control box (19), and the control box (19) is connected with a pollution degree detection device which is positioned inside the membrane pool.
2. The Eco-iGDM technology-based high-efficiency backwashing device of claim 1, wherein: the backwashing water tank water inlet valve (3), the backwashing valve (4), the water production tank water inlet valve (9), the backwashing medicine adding device (10), the medicine adding control valve (11), the vacuum suction pump (14) and the vacuumizing control valve (15) are all controlled by a control box (19).
3. The Eco-iGDM technology-based high-efficiency backwashing device of claim 1, wherein: the sludge collecting device (12) is provided with a water outlet (20), and the water outlet (20) is communicated with a waste water tank (21).
4. An efficient backwashing device based on the Eco-iGDM technology as claimed in claim 1, 2 or 3, wherein: in the backwashing device, the ultrafiltration membrane component (7) is positioned at the upper part of the other equipment, and the ultrafiltration membrane component (7) and the membrane pool are lifted so as to realize gravity siphon water production by utilizing the liquid level difference between the membrane component and the water production tank (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120164024.6U CN215626946U (en) | 2021-01-21 | 2021-01-21 | Efficient backwashing device based on Eco-iGDM technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120164024.6U CN215626946U (en) | 2021-01-21 | 2021-01-21 | Efficient backwashing device based on Eco-iGDM technology |
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| CN215626946U true CN215626946U (en) | 2022-01-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202120164024.6U Active CN215626946U (en) | 2021-01-21 | 2021-01-21 | Efficient backwashing device based on Eco-iGDM technology |
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2021
- 2021-01-21 CN CN202120164024.6U patent/CN215626946U/en active Active
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