CN209791304U - Automatic operation and automatic backwashing filter system - Google Patents
Automatic operation and automatic backwashing filter system Download PDFInfo
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- CN209791304U CN209791304U CN201822125937.8U CN201822125937U CN209791304U CN 209791304 U CN209791304 U CN 209791304U CN 201822125937 U CN201822125937 U CN 201822125937U CN 209791304 U CN209791304 U CN 209791304U
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Abstract
The utility model relates to a filtering system capable of automatically operating and automatically backwashing, which comprises an inner pressure membrane component, an automatic controller and a pressure tank, wherein the inner pressure membrane component comprises a column type shell, and the lower end of the column type shell is provided with a raw water storage cavity; the center of the column type shell is provided with a central water inlet pipe, the outside of the central water inlet pipe is sleeved with a central water distribution pipe, a plurality of hollow fiber membrane yarns are also arranged between the central water distribution pipe and the inner wall of the column type shell, and the pipe wall of the central water distribution pipe is provided with a plurality of water distribution holes; the lower end of the column type shell is also provided with a sewage draining port, the sewage draining port is connected with a sewage draining valve, and the sewage draining valve is electrically connected with the automatic controller; the water inlet of the pressure tank is connected with the water outlet end of the produced water outlet channel through a connecting pipeline, the water outlet of the pressure tank is provided with a water producing valve, and the pressure tank and the water producing valve are respectively and electrically connected with the automatic controller; the automatic backwashing device has the advantages of being capable of achieving automatic operation and automatic backwashing, compact in structure, small in size, low in manufacturing cost, free of excessive manual intervention and high in efficiency.
Description
Technical Field
the utility model relates to a filtration system, in particular to automatic operation automatic backwash's filtration system.
background
the membrane separation technology is a novel high-efficiency and precise separation technology, and belongs to the cross combination field of material science and medium separation science. The membrane separation technology has the functions of separation, concentration, purification and refining, has the characteristics of high efficiency, energy conservation, environmental protection, molecular level filtration and the like, and has the characteristics of simple filtration process and easy control, so the membrane separation technology is widely applied in various fields at present.
in the existing membrane component, raw water generally directly enters membrane filaments, and the membrane filaments are easy to break and damage after being impacted by water flow; in addition, impurities in the raw water are not easy to be discharged from the membrane module.
the filtering system for filtering raw water by adopting membrane components in the market comprises a membrane component and an electric control system for controlling the membrane component, wherein the electric control system generally adopts an electric cabinet, has large volume and high manufacturing cost, can not realize the regulation and control of a single membrane component in the filtering system, and needs a small filtering device adopting the membrane component.
SUMMERY OF THE UTILITY MODEL
the utility model discloses not enough to above-mentioned prior art exists, provide an automatic filtration system of back washing of operation, adopt automatic control, small, the cost is low, and the membrane module of adoption can reduce the impact of raw water to the membrane silk, improves the life of membrane silk.
the utility model provides an above-mentioned technical problem's technical scheme as follows: a filtering system capable of automatically operating and backwashing comprises an internal pressure membrane component, an automatic controller and a pressure tank,
The inner pressure membrane component comprises a column type shell, and a raw water storage cavity is arranged at the lower end of the column type shell; a central water inlet pipe is arranged in the center of the column type shell, a central water distribution pipe is sleeved outside the central water inlet pipe, and a plurality of hollow fiber membrane yarns are further arranged between the central water distribution pipe and the inner wall of the column type shell; the upper end of the central water inlet pipe is a raw water inlet end, and the lower end of the central water inlet pipe is communicated with the raw water storage cavity; both ends of the hollow fiber membrane yarn are open, and the lower end of the hollow fiber membrane yarn is communicated with the raw water storage cavity; the lower end of the central water distribution pipe is sealed, and the upper end of the central water distribution pipe is a water outlet end of a water production and outlet channel; and a plurality of water distribution holes are arranged on the pipe wall of the central water distribution pipe;
the lower end of the column type shell is also provided with a sewage draining port, the sewage draining port is connected with a sewage draining valve, and the sewage draining valve is electrically connected with the automatic controller;
The automatic controller is arranged on the internal pressure membrane assembly and can control raw water to enter the central water inlet pipe;
The water inlet of the pressure tank is connected with the water outlet end of the produced water outlet channel through a connecting pipeline, the water outlet of the pressure tank is provided with a water producing valve, and the water producing valve is electrically connected with the automatic controller respectively.
the working process of the utility model is as follows:
Firstly, an automatic controller controls raw water to enter a central water inlet pipe, the raw water flows into a raw water storage cavity through the central water inlet pipe and then enters hollow fiber membrane filament holes, when certain pressure is achieved in the hollow fiber membrane filament holes, the raw water penetrates through the wall of the hollow fiber membrane filament to form produced water, and the produced water enters the central water distribution pipe through water distribution holes;
Then, the produced water enters the pressure tank through the connecting pipeline and flows out through the water production valve, and the water production valve is in an open state at the moment;
Then, when the membrane module runs for a certain time, the automatic controller firstly controls the water production valve to be closed, the central water inlet pipe continues to feed water, when the pressure in the pressure tank reaches a certain pressure, the water feeding of the central water inlet pipe is stopped under the control of the automatic controller, and meanwhile, the drain valve is opened;
Finally, starting a backwashing mode, wherein during backwashing, produced water in the pressure tank reversely flows, flows into the raw water storage cavity after washing the hollow fiber membrane filaments, and is finally discharged through a drain outlet; after backwashing for a certain time, the automatic backwashing device automatically operates under the control of the automatic controller, so that the automatic operation and the automatic backwashing are alternately operated without manual operation, and the efficiency is higher.
The utility model has the advantages that: the automatic backwashing membrane component has the advantages that the automatic operation and the automatic backwashing function can be realized, the automatic controller is integrated with the membrane component, the structure is compact, the volume is small, the manufacturing cost is low, excessive manual intervention is not needed, and the efficiency can be greatly improved;
Raw water flows into the raw water storage cavity at the lower end head from the upper end of the central water inlet pipe, and the raw water entering the raw water storage cavity upwards enters the hollow fiber membrane silk holes, so that the impact force of the raw water is very small, the hollow fiber membrane silk cannot be broken or damaged, and the service life of the hollow fiber membrane silk can be greatly prolonged;
Raw water firstly flows into the raw water storage cavity, part of impurities in the raw water are firstly precipitated at the bottom of the raw water storage cavity, and a sewage discharge outlet is formed in the lower end, so that the impurities deposited to a certain degree can be discharged, the probability of blockage of the hollow fiber membrane yarns is reduced, and the effective working time of the hollow fiber membrane yarns is prolonged.
Further, the column type shell comprises an upper end head, a lower end head and a shell barrel arranged between the upper end head and the lower end head, a raw water storage cavity is formed at the lower end head, a lower epoxy sealing end is arranged between the lower end head and the lower end of the shell barrel, and an upper epoxy sealing end is arranged between the upper end head and the upper end of the shell barrel;
The upper end of the central water inlet pipe penetrates through the upper epoxy end seal, and the lower end of the central water inlet pipe penetrates through the lower epoxy end seal and then is communicated with the raw water storage cavity;
The upper end of the hollow fiber membrane wire is connected with the upper epoxy end seal, and the lower end of the hollow fiber membrane wire penetrates through the lower epoxy end seal and then is communicated with the raw water storage cavity;
the lower end of the central water distribution pipe is connected with the lower epoxy end cap, and the upper end of the central water distribution pipe penetrates through the upper epoxy end cap.
Furthermore, the central water distribution pipe comprises a plurality of central water distribution pipe bodies which are connected in sequence from top to bottom.
Furthermore, an automatic exhaust valve is connected to the upper end head and electrically connected with the automatic controller.
Furthermore, a raw water outlet hole is formed in the upper end head, a raw water outlet control valve is arranged at the raw water outlet hole, and the raw water outlet control valve is electrically connected with the automatic controller.
the beneficial effect of adopting the further technical scheme is that: according to the water quality condition, the membrane component can be used for dead-end filtration and cross-flow filtration; when the raw water outlet electromagnetic valve is closed, the raw water is filtered by a dead end, so that the raw water can be converted into produced water in a large amount, and the utilization rate of the raw water is greatly improved; when the raw water outlet electromagnetic valve is opened, cross-flow filtration is adopted, raw water flow always scours the surfaces of the membrane filaments, impurities on the surfaces of the membrane filaments flow out of the membrane module along with raw water from the raw water outlet, the membrane filaments are not easy to pollute, the high water yield can be kept for a long time, meanwhile, the membrane filament cleaning time is reduced, and the service life of the membrane module is greatly prolonged.
further, the hollow fiber membrane filaments are microfiltration membranes or ultrafiltration membranes.
Further, the hollow fiber membrane silk material is one or more of polysulfone, polyethersulfone, polyvinylidene fluoride, polyvinyl chloride, polytetrafluoroethylene, cellulose acetate, cellulose.
Further, the automatic controller comprises a shell, the shell is connected with the column type shell, a raw water inlet channel and a produced water outlet channel are arranged on the shell, a raw water inlet electromagnetic valve is arranged at the water inlet end of the raw water inlet channel, the raw water inlet electromagnetic valve is electrically connected with the automatic controller, and the water outlet end of the raw water inlet channel is communicated with the central water inlet pipe; the connecting pipeline is connected with the water outlet end of the water producing and water outlet channel through the water producing and water outlet channel.
further, automatic control still includes control assembly, control assembly includes wiring board and control panel, the input of wiring board with control panel connects, the output of wiring board respectively with raw water inlet solenoid valve, raw water outlet solenoid valve, air relief valve, blowoff valve, overhead tank and product water valve are connected.
drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of a middle membrane module according to the present invention;
FIG. 3 is a control schematic diagram of the automatic controller of the present invention;
In the drawings, the parts names represented by the respective reference numerals are listed as follows: 1. 1-1 parts of a column type shell, 1-11 parts of a lower end, 1-12 parts of a sewage discharge outlet, 1-2 parts of a raw water storage cavity, 1-3 parts of a shell cylinder, 1-31 parts of an upper end and a raw water outlet;
2. A central water inlet pipe, 2-1, a raw water inlet;
3. 3-1 parts of central water distribution pipe, 3-2 parts of water distribution holes and 3-2 parts of water production outlet;
4. The device comprises an upper epoxy sealing end, 5 parts of a lower epoxy sealing end, 6 parts of a blow-down valve, 7 parts of an automatic exhaust valve, 8 parts of a hollow fiber membrane yarn, 9 parts of an automatic controller, 9 parts of a shell, 9 parts of a raw water inlet channel, 9 parts of 12 parts of a produced water outlet channel, 9 parts of 2 parts of a control panel, 10 parts of a pressure tank, 10 parts of 1 part of a water inlet of the pressure tank, 10 parts of 2 parts of a water outlet of the pressure tank, 11 parts of a connecting pipeline, 12 parts of a produced water valve.
Detailed Description
The principles and features of the present invention are described below in conjunction with the following drawings, the examples given are only intended to illustrate the present invention and are not intended to limit the scope of the present invention.
as shown in fig. 1, wherein the solid arrows indicate the direction of raw water in automatic operation, and the hollow arrows indicate the direction of produced water in automatic operation; a filtering system capable of automatically operating and backwashing comprises an internal pressure membrane component, an automatic controller 9 and a pressure tank 10,
the column type shell comprises a column type shell 1, wherein the column type shell 1 comprises an upper end 1-3, a lower end 1-1 and a shell barrel 1-2 arranged between the upper end 1-3 and the lower end 1-1, a raw water storage cavity 1-12 is formed in the inner cavity of the lower end 1-1, a lower epoxy sealing end 5 is arranged between the lower end 1-3 and the lower end of the shell barrel 1-2, and an upper epoxy sealing end 4 is arranged between the upper end 1-3 and the upper end of the shell barrel 1-2;
a central water inlet pipe 2 is arranged in the center of the column type shell 1, a central water distribution pipe 3 is sleeved outside the central water inlet pipe 2, and a plurality of hollow fiber membrane filaments 8 are further arranged between the central water distribution pipe 3 and the inner wall of the column type shell 1; the central water distribution pipe 3 comprises a plurality of central water distribution pipe bodies which are connected in sequence from top to bottom;
the upper end of the central water inlet pipe 2 is a raw water inlet 2-1, and the lower end of the central water inlet pipe is communicated with the raw water storage cavity 1-12;
both ends of the hollow fiber membrane wire 8 are open, and the lower end of the hollow fiber membrane wire 8 is communicated with the raw water storage cavities 1-12;
The lower end of the central water distribution pipe body at the lowest part is connected with the lower epoxy end seal 5 and sealed by the lower epoxy end seal, the upper end of the central water distribution pipe body passes through the upper epoxy end seal 4, and the upper end of the central water distribution pipe 3 is a water production outlet 3-2; and the pipe wall of each central water distribution pipe body is provided with a plurality of water distribution holes 3-1.
the upper end of the central water inlet pipe 2 penetrates through the upper epoxy sealing end 4, and the lower end of the central water inlet pipe penetrates through the lower epoxy sealing end 5 and then is communicated with the raw water storage cavities 1-12;
The hollow fiber membrane filaments 8 penetrate through the upper epoxy sealing end 4 and then are communicated with the inner cavity of the upper end, and the lower ends of the hollow fiber membrane filaments penetrate through the lower epoxy sealing end 4 and then are communicated with the raw water storage cavities 1-12;
The upper ends of the central water distribution pipe 3 and the central water inlet pipe 2 penetrate through the upper ends of the upper end heads 1-3.
The lower end 1-1 is also provided with a sewage outlet 1-11, and the sewage outlet 1-11 is connected with a sewage valve 6.
the upper end 1-3 is provided with an exhaust hole, and the exhaust hole is connected with an automatic exhaust valve 7; the upper end 1-3 is also provided with a raw water outlet hole 1-31, and the raw water outlet hole 1-31 is connected with a raw water outlet electromagnetic valve (not shown in the figure).
the water inlet 10-1 of the pressure tank is connected with the water outlet end of the produced water outlet channel through a connecting pipeline 11, and the water outlet 10-2 of the pressure tank is provided with a produced water valve 12.
the automatic controller 9 comprises a shell 9-1, the shell 9-1 is connected with the column type shell 1, a raw water inlet channel 9-11 and a produced water outlet channel 9-12 are arranged on the shell 9-1, a raw water inlet electromagnetic valve is arranged at the water inlet end of the raw water inlet channel, and the water outlet end of the raw water inlet channel 9-11 is communicated with the central water inlet pipe 2;
the water outlet end of the water producing and outlet channel is connected with the water inlet 10-1 of the pressure tank through a connecting pipeline 11, and the upper end of the central water distribution pipe body at the top is connected with the water inlet end of the water producing and outlet channel 9-12.
The automatic controller 9 further comprises a control assembly, the control assembly comprises a wiring board and a control panel, the input end of the wiring board is connected with the control panel, and the output end of the wiring board is respectively electrically connected with the raw water inlet electromagnetic valve, the raw water outlet electromagnetic valve, the automatic exhaust valve 7, the blow-off valve 6, the pressure tank 10 and the water production valve 12.
The hollow fiber membrane filaments 8 are microfiltration membranes or ultrafiltration membranes.
The hollow fiber membrane filaments 8 are made of one or more of polysulfone, polyethersulfone, polyvinylidene fluoride, polyvinyl chloride, polytetrafluoroethylene, cellulose acetate and cellulose.
the working process of the utility model is as follows:
Firstly, the automatic controller 9 controls the raw water inlet electromagnetic valve to be in an open state, so that raw water enters the central water inlet pipe 2-1, the raw water flows into the raw water storage cavity 1-12 through the central water inlet pipe 2-1 and then enters the hollow fiber membrane yarn 8 hole, when the pressure in the hollow fiber membrane yarn 8 hole reaches a certain value, the raw water penetrates through the wall of the hollow fiber membrane yarn 8 to form produced water, the produced water enters the central water distribution pipe through the water distribution hole 3-1, the switch of the raw water outlet electromagnetic valve is determined according to the water quality, when the water quality is good, the raw water outlet electromagnetic valve is always closed, the raw water outlet hole 1-31 is closed, when the water quality of the raw water is poor, the raw water outlet electromagnetic valve is in an open state at the beginning, and the raw water;
Then, the produced water enters the pressure tank 10 through a connecting pipeline and flows out through a water production valve, and the water production valve is in an open state under the control of the automatic controller;
when the operation time of the membrane module reaches T, the automatic controller 9 firstly controls the water production valve 12 to be closed, the central water inlet pipe 2 continues to feed water, when the pressure in the pressure tank 10 reaches a certain pressure, a signal of a pressure gauge on the pressure tank 10 is transmitted to the automatic controller 9, under the control of the automatic controller 9, the water feeding of the central water inlet pipe 2 is stopped, the blowoff valve 6 is opened, the raw water outlet electromagnetic valve is closed, and the raw water outlet holes 1-31 are in a closed state;
finally, a backwashing mode is started, during backwashing, produced water in the pressure tank 10 reversely flows, flows into the raw water storage cavity 1-12 after the hollow fiber membrane filaments 8 are washed, and is finally discharged through a sewage discharge outlet; the backwashing time is t, after the backwashing is finished, the automatic operation is carried out again under the control of the automatic controller 9, and the automatic operation and the automatic backwashing alternate operation are carried out without manual operation, so that the efficiency is higher.
the above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.
Claims (8)
1. a filtering system capable of automatically operating and automatically backwashing is characterized by comprising an internal pressure membrane component, an automatic controller and a pressure tank,
the inner pressure membrane component comprises a column type shell, and a raw water storage cavity is arranged at the lower end of the column type shell; a central water inlet pipe is arranged in the center of the column type shell, a central water distribution pipe is sleeved outside the central water inlet pipe, and a plurality of hollow fiber membrane yarns are further arranged between the central water distribution pipe and the inner wall of the column type shell; the upper end of the central water inlet pipe is a raw water inlet end, and the lower end of the central water inlet pipe is communicated with the raw water storage cavity; both ends of the hollow fiber membrane yarn are open, and the lower end of the hollow fiber membrane yarn is communicated with the raw water storage cavity; the lower end of the central water distribution pipe is sealed, and the upper end of the central water distribution pipe is a water outlet end of a water production and outlet channel; and a plurality of water distribution holes are arranged on the pipe wall of the central water distribution pipe;
the lower end of the column type shell is also provided with a sewage draining port, the sewage draining port is connected with a sewage draining valve, and the sewage draining valve is electrically connected with the automatic controller;
the automatic controller is arranged on the internal pressure membrane assembly and can control raw water to enter the central water inlet pipe;
the water inlet of the pressure tank is connected with the water outlet end of the produced water outlet channel through a connecting pipeline, the water outlet of the pressure tank is provided with a water producing valve, and the water producing valve is connected with the automatic controller.
2. the automatically operated and automatically backwashed filter system according to claim 1, wherein the column type housing comprises an upper end head and a lower end head, and a shell cylinder arranged between the upper end head and the lower end head, the lower end head forms a raw water storage cavity, a lower epoxy seal end is arranged between the lower end head and the lower end of the shell cylinder, and an upper epoxy seal end is arranged between the upper end head and the upper end of the shell cylinder;
The upper end of the central water inlet pipe penetrates through the upper epoxy end seal, and the lower end of the central water inlet pipe penetrates through the lower epoxy end seal and then is communicated with the raw water storage cavity;
The upper end of the hollow fiber membrane wire is connected with the upper epoxy end seal, and the lower end of the hollow fiber membrane wire penetrates through the lower epoxy end seal and then is communicated with the raw water storage cavity;
The lower end of the central water distribution pipe is connected with the lower epoxy end cap, and the upper end of the central water distribution pipe penetrates through the upper epoxy end cap.
3. The automatically operated automatically backwashed filter system according to claim 2, wherein the central water distributor comprises a plurality of central water distributor bodies connected in series from top to bottom.
4. The automatically operated and automatically backwashed filter system according to claim 2, wherein an automatic exhaust valve is connected to the upper end, and the automatic exhaust valve is electrically connected to the automatic controller.
5. The automatically operated and automatically backwashed filter system as claimed in claim 4, wherein a raw water outlet is further provided at the upper head, a raw water outlet control valve is provided at the raw water outlet, and the raw water outlet control valve is connected to the automatic controller.
6. An automatically operating and automatically backwashing filter system according to any of claims 1 to 5, wherein the hollow fiber membrane filaments are microfiltration membranes or ultrafiltration membranes.
7. The automatic backwashing filter system of claim 5, wherein the automatic controller comprises a housing, the housing is connected with the column type casing, a raw water inlet passage and a produced water outlet passage are arranged on the housing, a raw water inlet electromagnetic valve is arranged at a water inlet end of the raw water inlet passage, the raw water inlet electromagnetic valve is connected with the automatic controller, and a water outlet end of the raw water inlet passage is communicated with the central water inlet pipe; the connecting pipeline is connected with the water outlet end of the water producing and water outlet channel through the water producing and water outlet channel.
8. the automatically operated and automatically backwashed filter system as claimed in claim 7, wherein the automatic controller further comprises a control assembly, the control assembly comprises a wiring board and a control panel, an input end of the wiring board is connected with the control panel, and an output end of the wiring board is respectively connected with the raw water inlet electromagnetic valve, the raw water outlet electromagnetic valve, the automatic exhaust valve, the blow-off valve, the pressure tank and the water production valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822125937.8U CN209791304U (en) | 2018-12-18 | 2018-12-18 | Automatic operation and automatic backwashing filter system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822125937.8U CN209791304U (en) | 2018-12-18 | 2018-12-18 | Automatic operation and automatic backwashing filter system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209791304U true CN209791304U (en) | 2019-12-17 |
Family
ID=68818217
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822125937.8U Active CN209791304U (en) | 2018-12-18 | 2018-12-18 | Automatic operation and automatic backwashing filter system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209791304U (en) |
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2018
- 2018-12-18 CN CN201822125937.8U patent/CN209791304U/en active Active
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