CN215026292U - Multistage filtering device - Google Patents
Multistage filtering device Download PDFInfo
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- CN215026292U CN215026292U CN202121431906.0U CN202121431906U CN215026292U CN 215026292 U CN215026292 U CN 215026292U CN 202121431906 U CN202121431906 U CN 202121431906U CN 215026292 U CN215026292 U CN 215026292U
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Abstract
The invention discloses a multistage filtering device which comprises a filtering water inlet pump, a cleaning water pump, an electric three-way reversing valve a, an electric three-way reversing valve b, an electric three-way reversing valve c, an electric three-way reversing valve d, a primary filtering tank a, a primary filtering tank b, a secondary filtering tank, a primary filtering a water inlet pipe, a primary filtering a backwashing water outlet pipe, a primary filtering a two-way valve, a primary filtering a water production pipe, a primary filtering b water inlet pipe, a primary filtering b backwashing water outlet pipe, a primary filtering b two-way valve, a primary filtering b water production pipe, a primary filtering backwashing water inlet pipe, a secondary filtering automatic valve, a secondary filtering water outlet pipe, a secondary filtering backwashing water outlet pipe, a sewage inlet, a cleaning water outlet and a filtering water production outlet. The device is formed by connecting two primary filters in parallel and is connected with a secondary filter tank in series. The primary filtration is easy to block and needs frequent and long-time cleaning, so that the two filter tanks are switched to be used, continuous filtration is realized, and the treatment capacity of the system can be improved.
Description
Technical Field
The invention relates to the field of material filtration, in particular to a multistage filtering device.
Background
In sewage treatment, a filtration apparatus is indispensable, wherein the membrane filtration technology is rapidly developed, and the filtration accuracy is higher, but the membrane life is greatly reduced when the membrane is used in some sewage treatment, resulting in an excessively high use cost.
Through retrieval, CN107344035 discloses an invention patent of a continuous filtration system and a filtration method, which comprises a first filter, a second filter, an inlet pipeline of the filters, an inlet valve, a conveying pipeline of materials to be filtered, a sewage tank, a blowdown pipeline, a blowdown valve, an outlet pipeline, an outlet valve, a back flushing pipeline, a purge gas source, a back flushing valve, an exhaust pipeline, an exhaust valve, a liquid discharge pipeline, a liquid discharge valve, a waste gas pipeline, a waste liquid pipeline, a bubbling device, a gas distributor, a compressed gas source, a buffer tank, a valve, a compressed gas source, a first liquid level switch, a second liquid level switch, a sewage pump and a liquid level meter. The method has the defects of low single-stage filtration precision, large number of electric valves and complex switching procedure.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a multistage filtering device with high continuity.
The technical scheme for achieving the aim of the invention is as follows: the utility model provides a multistage filter equipment, contain and filter the intake pump, wash the water pump, electronic tee bend switching-over valve an, electronic tee bend switching-over valve b, electronic tee bend switching-over valve c, electronic tee bend switching-over valve d, one-level filter jar an, one-level filter jar b, the second grade filters jar, one-level filter a inlet tube, one-level filter a backwash drain pipe, one-level filter a two-way, one-level filter a produces the water pipe, one-level filter b inlet tube, one-level filter b backwash drain pipe, one-level filter b two-way, one-level filter b produces the water pipe, one-level filter backwash inlet tube, the second grade filters the automatic valve, the second grade filters the drain pipe, the second grade filters the backwash drain pipe, sewage import, wash water discharge mouth, it produces the water discharge mouth to filter. The sewage inlet is connected with a filtering water inlet pump through a pipeline, the filtering water inlet pump is connected with a 3A port of an electric three-way reversing valve a through a pipeline, a 3B port of the electric three-way reversing valve a is connected with an in end of a first-stage filtering a two-way through a first-stage filtering a water inlet pipe, a 3C port of the electric three-way reversing valve a is connected with an in end of a first-stage filtering B two-way through a first-stage filtering B water inlet pipe, a cleaning water inlet is connected with a cleaning water pump through a pipeline, the cleaning water pump is connected with a 5A port of an electric three-way reversing valve C through a pipeline, a 5B port of the electric three-way reversing valve C is connected with an out end of the first-stage filtering B two-way through a first-stage filtering a water producing pipe, a 6B port of the electric three-way reversing valve d is connected with the out end of the first-stage filtering B two-way through a first-stage filtering B water producing pipe And then, a port 6A of the electric three-way reversing valve d is connected with an in end of a second-stage filtering automatic valve through a second-stage filtering water inlet pipe, a port 4C of the electric three-way reversing valve B is connected with a two-way in end of a first-stage filtering a backwashing water discharge pipe through a first-stage filtering a, a port 4B of the electric three-way reversing valve B is connected with a two-way in end of a first-stage filtering B backwashing water discharge pipe through a first-stage filtering B, a port 4A of the electric three-way reversing valve B is discharged to a cleaning water discharge port through a pipeline, a two-stage filtering automatic valve drain end is connected with the cleaning water discharge port through a second-stage filtering backwashing water discharge pipe, and a second-stage filtering automatic valve out end is connected with a filtering production water discharge port through a second-stage filtering water discharge pipe.
The invention relates to a multistage filtering device.A primary filtering tank a and a primary filtering tank b realize the switching use of two filtering tanks by switching four electric three-way reversing valves, namely an electric three-way reversing valve a, an electric three-way reversing valve b, an electric three-way reversing valve c and an electric three-way reversing valve d, so that primary filtering can continuously feed water and produce water.
The first-stage filter tank a and the first-stage filter tank b are filled with filter materials with the filtering precision of 2-10 microns, and the second-stage filter tank is filled with filter materials with the filtering precision of 0.5-1 micron.
The port 3A of the electric three-way reversing valve a, the port 4A of the electric three-way reversing valve b, the port 5A of the electric three-way reversing valve c and the port 6A of the electric three-way reversing valve d are opened all the time, and the four electric three-way reversing valves are opened all the time and only two ways; when the first-stage filter tank a filters and the first-stage filter tank B backflushes, the 3B port of the electric three-way reversing valve a, the 4B port of the electric three-way reversing valve B, the 5B port of the electric three-way reversing valve c and the 6B port of the electric three-way reversing valve d are opened; when the first-stage filter tank a is backwashed and the first-stage filter tank b is used for filtering, the 3C port of the electric three-way reversing valve a, the 4C port of the electric three-way reversing valve b, the 5C port of the electric three-way reversing valve C and the 6C port of the electric three-way reversing valve d are opened.
Drawings
Embodiments of the present invention are described in further detail below with reference to the accompanying drawings.
FIG. 1 is a schematic view of a multistage filtration apparatus according to the present invention.
Wherein: 1-filtration water inlet pump, 2-cleaning water pump, 3-electric three-way reversing valve a, 4-electric three-way reversing valve b, 5-electric three-way reversing valve c, 6-electric three-way reversing valve d, 7-first-stage filtration tank a, 8-first-stage filtration tank b, 9-second-stage filtration tank, 10-first-stage filtration a water inlet pipe, 11-first-stage filtration a backwashing water outlet pipe, 12-first-stage filtration a two-way, 13-first-stage filtration a water production pipe, 14-first-stage filtration b water inlet pipe, 15-first-stage filtration b backwashing water outlet pipe, 16-first-stage filtration b two-way, 17-first-stage filtration b water production pipe, 18-first-stage filtration backwashing water inlet pipe, 19-second-stage filtration water inlet pipe, 20-second-stage filtration automatic valve, 21-second-stage filtration water outlet pipe, 22-second-stage filtration backwashing water outlet pipe, 23-sewage inlet, 24-cleaning water inlet, 25-cleaning water outlet, 26-filtration water production water outlet.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
Referring to fig. 1, the present invention provides a technical solution: a multistage filtering device comprises a filtering water inlet pump 1, a cleaning water pump 2, an electric three-way reversing valve a3, an electric three-way reversing valve b4, an electric three-way reversing valve c5, an electric three-way reversing valve d6, a first-stage filtering a7, a first-stage filtering b8, a second-stage filtering 9, a first-stage filtering a water inlet pipe 10, a first-stage filtering a backwashing water outlet pipe 11, a first-stage filtering a two-way 12, a first-stage filtering a water production pipe 13, a first-stage filtering b water inlet pipe 14, a first-stage filtering b backwashing water outlet pipe 15, a first-stage filtering b two-way 16, a first-stage filtering b water production pipe 17, a first-stage filtering backwashing water inlet pipe 18, a second-stage filtering water inlet pipe 19, a second-stage filtering automatic valve 20, a second-stage filtering water outlet pipe 21, a second-stage filtering backwashing water outlet pipe 22, a sewage inlet 23, a cleaning water inlet 24, a cleaning water outlet 25 and a filtering water production outlet 26.
Wherein, the sewage inlet 23 is connected with the filtering water inlet pump 1 through a pipeline, the filtering water inlet pump 1 is connected with the 3A port of an electric three-way reversing valve a3 through a pipeline, the 3B port of an electric three-way reversing valve a3 is connected with the in end of a first-stage filtering a two-way 12 through a first-stage filtering a water inlet pipe 10, the 3C port of an electric three-way reversing valve a3 is connected with the in end of a first-stage filtering B two-way 16 through a first-stage filtering B water inlet pipe 14, a cleaning water inlet 24 is connected with a cleaning water pump 2 through a pipeline, the cleaning water pump 2 is connected with the 5A port of an electric three-way reversing valve C5 through a pipeline, the 5B port of an electric three-way reversing valve C5 is connected with the out end of the first-stage filtering B two-way 16 through a first-stage filtering backwash water inlet pipe 18, the 5C port of an electric three-way reversing valve C5 is connected with the out end of the first-stage filtering a two-way 12 through a first-stage filtering a water producing pipe 13, the 6B port of an electric three-way reversing valve d6 is connected with the first-stage filtering a water producing pipe 13 through a pipe 13, the port 6C of the electric three-way reversing valve d6 is connected with the end 16out of the primary filtering B two-way valve through the primary filtering B water producing pipe 17, the port 6A of the electric three-way reversing valve d6 is connected with the end 20in of the secondary filtering automatic valve through the secondary filtering water inlet pipe 19, the port 4C of the electric three-way reversing valve B4 is connected with the end 12in of the primary filtering a two-way valve through the primary filtering a backwashing water outlet pipe 11, the port 4B of the electric three-way reversing valve B4 is connected with the end 16in of the primary filtering B two-way valve through the primary filtering B backwashing water outlet pipe 15, the port 4A of the electric three-way reversing valve B4 is discharged to the cleaning water outlet 25 through a pipeline, the end 20drain of the secondary filtering automatic valve 20 is connected with the cleaning water outlet 25 through the secondary filtering backwashing water outlet pipe 22, and the end 20out of the secondary filtering automatic valve 20 is connected with the filtering water producing outlet 26 through the secondary filtering water outlet pipe 21.
The primary filter tank a7 and the primary filter tank b8 realize the switching use of two filter tanks through the switching of four electric three-way reversing valves, namely an electric three-way reversing valve a3, an electric three-way reversing valve b4, an electric three-way reversing valve c5 and an electric three-way reversing valve d6, so that the primary filter tank can continuously feed water and produce water.
The primary filter tank a7 and the primary filter tank b8 are filled with filter media with the filter precision of 2 microns, and the secondary filter tank 9 is filled with filter media with the filter precision of 0.5 microns.
The port 3A of the electric three-way reversing valve a3, the port 4A of the electric three-way reversing valve b4, the port 5A of the electric three-way reversing valve c5 and the port 6A of the electric three-way reversing valve d6 are always opened, and the four electric three-way reversing valves are always opened and only two ways of the four electric three-way reversing valves are opened; when the primary filter tank a7 filters and the primary filter tank B8 backwashes, the 3B port of the electric three-way reversing valve a3, the 4B port of the electric three-way reversing valve B4, the 5B port of the electric three-way reversing valve c5 and the 6B port of the electric three-way reversing valve d6 are opened; when the first-stage filter tank a7 is backwashed and the first-stage filter tank b8 is used for filtering, the 3C port of the electric three-way reversing valve a3, the 4C port of the electric three-way reversing valve b4, the 5C port of the electric three-way reversing valve C5 and the 6C port of the electric three-way reversing valve d6 are opened.
The above-mentioned embodiments are intended to illustrate the objects, technical solutions and advantages of the present invention in further detail, and it should be understood that the above-mentioned embodiments are merely exemplary embodiments of the present invention, and are not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (4)
1. A multi-stage filtering device is characterized by comprising a filtering water inlet pump, a cleaning water pump, an electric three-way reversing valve a, an electric three-way reversing valve b, an electric three-way reversing valve c, an electric three-way reversing valve d, a primary filtering tank a, a primary filtering tank b, a secondary filtering tank, a primary filtering a water inlet pipe, a primary filtering a backwashing water outlet pipe, a primary filtering a two-way valve, a primary filtering a water production pipe, a primary filtering b water inlet pipe, a primary filtering b backwashing water outlet pipe, a primary filtering b two-way valve, a primary filtering b water production pipe, a primary filtering backwashing water inlet pipe, a secondary filtering automatic valve, a secondary filtering water outlet pipe, a secondary filtering backwashing water outlet pipe, a sewage inlet, a cleaning water outlet and a filtering water production water outlet, wherein the sewage inlet is connected with the filtering water inlet pump through a pipeline, and the filtering water inlet pump is connected with a port 3A of the electric three-way reversing valve a through a pipeline, the 3B port of the electric three-way reversing valve a is connected with the in end of the first-stage filtering a two-way through the first-stage filtering a water inlet pipe, the 3C port of the electric three-way reversing valve a is connected with the in end of the first-stage filtering B two-way through the first-stage filtering B water inlet pipe, the cleaning water inlet is connected with the cleaning water pump through a pipeline, the cleaning water pump is connected with the 5A port of the electric three-way reversing valve C through a pipeline, the 5B port of the electric three-way reversing valve C is connected with the out end of the first-stage filtering B two-way through the first-stage filtering backwashing water inlet pipe, the 5C port of the electric three-way reversing valve C is connected with the out end of the first-stage filtering a two-way through the first-stage filtering a water production pipe, and the 6B port of the electric three-way reversing valve d is connected with the first-stage filtering a water production pipe through a pipeline, the port 6C of the electric three-way reversing valve d is connected with the two-way out end of the first-stage filtering b through the first-stage filtering b water production pipe, the port 6A of the electric three-way reversing valve d is connected with the in end of the second-stage filtering automatic valve through the second-stage filtering water inlet pipe, the 4C port of the electric three-way reversing valve b is connected with the two in ends of the first-stage filtering a through a backwashing water discharge pipe of the first-stage filtering a, the port 4B of the electric three-way reversing valve B is connected with the two-way in end of the first-stage filtering B through the backwashing water discharge pipe of the first-stage filtering B, the port 4A of the electric three-way reversing valve b is discharged to the washing water discharge port through a pipeline, the end of the second-stage filtering automatic valve drain is connected with the cleaning water discharge port through the second-stage filtering backwashing water discharge pipe, the out end of the second-stage filtering automatic valve is connected with the filtered produced water outlet through the second-stage filtering water discharging pipe.
2. The multistage filtering device according to claim 1, wherein the first-stage filtering tank a and the first-stage filtering tank b are switched by four electric three-way reversing valves, namely the electric three-way reversing valve a, the electric three-way reversing valve b, the electric three-way reversing valve c and the electric three-way reversing valve d, so that two filtering tanks are switched to be used, and the first-stage filtering can continuously feed water and produce water.
3. The multistage filtration device according to claim 1, wherein the primary filtration tank a and the primary filtration tank b are loaded with filter media having a filtration accuracy of 2-10 μm, and the secondary filtration tank is loaded with filter media having a filtration accuracy of 0.5-1 μm.
4. The multistage filtering device according to claim 1, wherein the port 3A of the electric three-way reversing valve a, the port 4A of the electric three-way reversing valve b, the port 5A of the electric three-way reversing valve c and the port 6A of the electric three-way reversing valve d are always open, and the four electric three-way reversing valves are always and only two ways open; when the primary filter tank a filters and the primary filter tank B backflushes, the 3B port of the electric three-way reversing valve a, the 4B port of the electric three-way reversing valve B, the 5B port of the electric three-way reversing valve c and the 6B port of the electric three-way reversing valve d are opened; when the first-stage filter tank a is backwashed and the first-stage filter tank b is filtered, the 3C port of the electric three-way reversing valve a, the 4C port of the electric three-way reversing valve b, the 5C port of the electric three-way reversing valve C and the 6C port of the electric three-way reversing valve d are opened.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121431906.0U CN215026292U (en) | 2021-06-27 | 2021-06-27 | Multistage filtering device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121431906.0U CN215026292U (en) | 2021-06-27 | 2021-06-27 | Multistage filtering device |
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| Publication Number | Publication Date |
|---|---|
| CN215026292U true CN215026292U (en) | 2021-12-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202121431906.0U Active CN215026292U (en) | 2021-06-27 | 2021-06-27 | Multistage filtering device |
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| CN (1) | CN215026292U (en) |
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2021
- 2021-06-27 CN CN202121431906.0U patent/CN215026292U/en active Active
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