CN210521873U - Full-automatic shallow sand filter - Google Patents
Full-automatic shallow sand filter Download PDFInfo
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- CN210521873U CN210521873U CN201921296177.5U CN201921296177U CN210521873U CN 210521873 U CN210521873 U CN 210521873U CN 201921296177 U CN201921296177 U CN 201921296177U CN 210521873 U CN210521873 U CN 210521873U
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- pipe
- electromagnetic valve
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- shallow sand
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- 239000004576 sand Substances 0.000 title claims abstract description 78
- 238000001914 filtration Methods 0.000 claims abstract description 55
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 90
- 239000010865 sewage Substances 0.000 claims description 36
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 8
- 229920000742 Cotton Polymers 0.000 claims description 4
- 238000009298 carbon filtering Methods 0.000 claims description 3
- 238000011001 backwashing Methods 0.000 abstract description 9
- 230000000694 effects Effects 0.000 abstract description 6
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 3
- 235000017491 Bambusa tulda Nutrition 0.000 description 3
- 241001330002 Bambuseae Species 0.000 description 3
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 3
- 239000011425 bamboo Substances 0.000 description 3
- 238000011010 flushing procedure Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000002457 bidirectional effect Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000002223 garnet Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
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- Filtration Of Liquid (AREA)
Abstract
The utility model discloses a can be convenient for realize automatic filtration, improve the filter effect, improve the full-automatic shallow sand filter of back flush effect. This full-automatic shallow sand filter, including first shallow sand filter vat, second shallow sand filter vat, the person in charge that intakes, drainage house steward, blowdown house steward and PLC controller. By adopting the full-automatic shallow sand filter, the automation of filtering and backwashing of the shallow sand filter cylinder can be conveniently realized, the working efficiency is improved, and the cost is reduced.
Description
Technical Field
The utility model belongs to the technical field of sewage treatment and specifically relates to full-automatic shallow sand filter.
Background
As is known, the full-automatic shallow sand filter consists of a plurality of standard high-speed sand cylinder units, a unique water distributor and a unique water collector are arranged in the full-automatic shallow sand filter, and the full-automatic shallow sand filter has a unique bidirectional automatic flushing valve, so that the back flushing of the plurality of standard high-speed sand cylinders one by one in the normal system operation can be realized, and the full-automatic program control is realized. Has the advantages of small water consumption for back washing, convenient equipment installation, easy operation and the like. The equipment has large flow and does not need maintenance. According to different user requirements, there are two series of vertical type and horizontal type. It is suitable for water treatment of industrial and civil circulating water systems.
A shallow sand filter that current shallow sand filter as that chinese patent application ZL201720801923.6 discloses includes that the sphere strains a section of thick bamboo, be equipped with water inlet, water-locator, filtering material layer, water collecting system and delivery port in proper order from top to bottom in the sphere strains a section of thick bamboo, the water inlet is equipped with sealing device with the junction of pressurized water pipe, the water-locator is located the top that the sphere strained a section of thick bamboo, the filtering material layer is garnet layer, the cotton layer of PP, degerming rete, activated carbon layer and supporting layer from top to bottom in proper order, water collecting system includes a plurality of evenly distributed's water collector. The water consumption is small, the equipment installation is convenient, and the operation is easy; the equipment has good corrosion resistance and long service life; the spherical shell and the unique internal structure can ensure stable water flow during filtering, and the filtering effect is good; overcomes the defects of unsafety, heaviness and the like of backwashing wastewater of the traditional sand filter and the valveless filter.
However, the shallow sand filter has low automation degree during back flushing, and is inconvenient to realize automatic filtration.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a can be convenient for realize automatic filtration, improve the filter effect, improve the full-automatic shallow sand filter of back flush effect is provided.
The utility model provides a technical scheme that its technical problem adopted is: the full-automatic shallow sand filter comprises a first shallow sand filter cylinder, a second shallow sand filter cylinder, a main water inlet pipe, a main water discharge pipe, a main sewage discharge pipe and a PLC (programmable logic controller);
a first water inlet pipe and a first drain pipe are arranged at the upper end of the first shallow sand filtering cylinder; a first drainage pipe is arranged at the lower part of the first shallow sand filtering cylinder;
a second water inlet pipe and a second sewage draining pipe are arranged at the upper end of the second shallow sand filtering cylinder; a second drain pipe is arranged at the lower part of the second shallow sand filtering cylinder;
the first water inlet pipe is communicated with the water inlet main pipe through a first electromagnetic valve; the second water inlet pipe is communicated with the water inlet main pipe through a second electromagnetic valve;
the first sewage discharge pipe is communicated with the sewage main pipe through a third electromagnetic valve, and the second sewage discharge pipe is communicated with the sewage main pipe through a fourth electromagnetic valve;
the lower end of the first drainage pipe is connected with a first three-phase three-way electromagnetic valve; the lower end of the second water drainage pipe is connected with a second three-phase three-way electromagnetic valve;
the first three-phase three-way electromagnetic valve is connected with a first three-way pipe; the second three-phase three-way electromagnetic valve is connected with a second three-way pipe;
two communicating pipelines are arranged between the first three-way pipe and the second three-way pipe; one pipeline comprises a first one-way valve and a first booster pump; the other pipeline comprises a second one-way valve and a second booster pump;
the first one-way valve is positioned between the first three-way pipe and the first booster pump; the second one-way valve is positioned between the second three-way pipe and the second booster pump;
the first electromagnetic valve, the second electromagnetic valve, the third electromagnetic valve, the fourth electromagnetic valve, the first booster pump, the second booster pump, the first three-phase three-way electromagnetic valve and the second three-phase three-way electromagnetic valve are respectively and electrically connected with the PLC.
Specifically, the first shallow sand filtering cylinder and the second shallow sand filtering cylinder both comprise cylinder bodies, a water distribution device communicated with a water inlet pipe is arranged at the upper part of each cylinder body, and a water distribution plate is arranged below each water distribution device;
a filter layer is arranged below the water distribution plate; the filtering layer comprises a sandstone layer, a middle filtering layer and an activated carbon filtering layer which are arranged from top to bottom in sequence; and the bottom of the cylinder body is provided with a water collecting device communicated with the water outlet.
Preferably, the middle filter layer is a PP cotton filter layer.
Preferably, the water collecting device adopts a water collecting tray.
The utility model has the advantages that: the utility model discloses a full-automatic shallow sand filter, because include two shallow sand filter cylinders, and through the pipeline arrangement on the inlet pipe, outlet pipe and blow off pipe of shallow sand filter cylinder, thus can realize two shallow sand filter cylinders when filtering, another shallow sand filter cylinder carries on the backwash or for use; thereby can realize continuous filtration to can be convenient for realize the automation of the filtration and the backwash of shallow sand filter vat, improve work efficiency, reduce cost.
Drawings
FIG. 1 is a schematic structural view of a sewage treatment system in an embodiment of the present invention;
fig. 2 is the embodiment of the present invention, which is a schematic structural view of a shallow sand filtering cylinder.
Detailed Description
The present invention will be further explained with reference to the drawings and examples.
The utility model discloses a full-automatic shallow sand filter, which comprises a first shallow sand filter cylinder 1, a second shallow sand filter cylinder 2, a water inlet main pipe 3, a drainage main pipe 4, a sewage main pipe 5 and a PLC controller;
a first water inlet pipe 11 and a first drain pipe 13 are arranged at the upper end of the first shallow sand filtering cylinder 1; a first drainage pipe 12 is arranged at the lower part of the first shallow sand filtering cylinder 1;
a second water inlet pipe 21 and a second sewage draining pipe 23 are arranged at the upper end of the second shallow sand filtering cylinder 2; a second water discharge pipe 22 is arranged at the lower part of the second shallow sand filtering cylinder 2;
the first water inlet pipe 11 is communicated with the water inlet main pipe 3 through a first electromagnetic valve 14; the second water inlet pipe 21 is communicated with the water inlet main pipe 3 through a second electromagnetic valve 24;
the first sewage discharge pipe 13 is communicated with the sewage main pipe 5 through a third electromagnetic valve 16, and the second sewage discharge pipe 23 is communicated with the sewage main pipe 5 through a fourth electromagnetic valve 26;
the lower end of the first drainage pipe 12 is connected with a first three-phase three-way electromagnetic valve 15; the lower end of the second water discharge pipe 22 is connected with a second three-phase three-way electromagnetic valve 25;
the first three-phase three-way electromagnetic valve 15 is connected with a first three-way pipe 17; the second three-phase three-way electromagnetic valve 25 is connected with a second three-way pipe 27;
two communicating pipelines are arranged between the first three-way pipe 17 and the second three-way pipe 27; one line includes the first check valve 18 and the first booster pump 6; the other pipeline comprises a second one-way valve 28 and a second booster pump 7;
the first one-way valve 18 is positioned between the first three-way pipe 17 and the first booster pump 6; the second check valve 28 is positioned between the second three-way pipe 27 and the second booster pump 7;
the first electromagnetic valve 14, the second electromagnetic valve 24, the third electromagnetic valve 16, the fourth electromagnetic valve 26, the first booster pump 6, the second booster pump 7, the first three-phase three-way electromagnetic valve 15 and the second three-phase three-way electromagnetic valve 25 are respectively electrically connected with a PLC controller. Wherein the PLC controller is not shown in the drawings.
In the working process:
1. when the first shallow sand filter tank 1 filters sewage and the second shallow sand filter tank 2 is ready for use;
first, the first solenoid valve 14 is opened, the second battery valve 24 is closed, and the third solenoid valve 16 and the fourth solenoid valve 26 are closed; and the second three-phase three-way electromagnetic valve 25 is closed, so that the first three-phase three-way electromagnetic valve 15 communicates the first drain pipe 12 and the drain header pipe 4;
at this moment, the water in the water inlet pipe 3 flows into the first shallow sand filtering cylinder 1 to realize the filtering of the sewage, and the second shallow sand filtering cylinder 2 is used for standby at this moment.
2. When the first shallow sand filter cylinder 1 is backwashed and the second shallow sand filter cylinder 2 is used for filtering sewage;
at this time, the first solenoid valve 14 is closed, the second battery valve 24 is opened, the third solenoid valve 16 is opened, and the fourth solenoid valve 26 is closed; starting the first booster pump 6;
and the second three-phase three-way electromagnetic valve 25 is opened, so that the second water discharge pipe 22 is respectively communicated with the water discharge main pipe 4 and the second three-way pipe 27; the first three-phase three-way electromagnetic valve 15 is opened, so that the first drainage pipe 12 is communicated with the first three-way pipe 17;
at the moment, the water in the water inlet pipe 3 flows into the second shallow sand filter tank 2 to filter the sewage, the filtered sewage is discharged by the second water discharge pipe 22, and a part of the filtered sewage enters the water discharge main pipe 4; the other part of the sewage enters a second three-way pipe 27, clean water in the second three-way pipe 27 is sent into a first three-way pipe 17 through a first booster pump 6 and then enters the first shallow sand filtering cylinder 1 through a first water discharge pipe 12, so that backwashing on the first shallow sand filtering cylinder 1 is realized, and sewage obtained after backwashing is discharged into a sewage discharge main pipe 5 through a first sewage discharge pipe 13; after backwashing is completed, the third electromagnetic valve 16, the first three-phase three-way electromagnetic valve 15 and the first booster pump 6 are closed, and the second three-phase three-way electromagnetic valve 25 is communicated with the second water discharge pipe 22 and the water discharge main pipe 4; at this time, the second shallow sand filtering cylinder 2 still performs filtering.
3. When the first shallow sand filtering cylinder 1 is used for filtering and the second shallow sand filtering cylinder 2 is used for backwashing;
at this time, the first solenoid valve 14 is opened, the second battery valve 24 is opened, the third solenoid valve 16 is closed, and the fourth solenoid valve 26 is opened; starting the second booster pump 6;
and the first three-phase three-way electromagnetic valve 15 is opened, so that the first drainage pipe 12 is respectively communicated with the drainage header pipe 4 and the first three-way pipe 17; the second three-phase three-way electromagnetic valve 25 is opened, so that the second water discharge pipe 22 is communicated with the second three-way pipe 27;
at the moment, water in the water inlet pipe 3 flows into the first shallow sand filter tank 1 to filter sewage, the filtered sewage is discharged from the first water discharge pipe 12, and a part of the filtered sewage enters the water discharge main pipe 4; the other part of the clean water enters a first three-way pipe 17, the clean water in the first three-way pipe 17 is sent into a second three-way pipe 27 through a second one-way valve 28 by a second booster pump 7 and then enters the second shallow sand filtering cylinder 2 through a second water discharge pipe 22, so that the second shallow sand filtering cylinder 2 is backwashed, and the sewage obtained after backwashing is discharged into the sewage main pipe 5 through a second sewage discharge pipe 23; after backwashing is finished, the fourth electromagnetic valve 26, the second three-phase three-way electromagnetic valve 25 and the second booster pump 7 are closed, and the first three-phase three-way electromagnetic valve 15 is communicated with the first drainage pipe 12 and the drainage main pipe 4; at this time, the first shallow sand filtering cylinder 1 still performs filtering.
To sum up, the full-automatic shallow sand filter of the utility model comprises two shallow sand filter cylinders, and pipelines are arranged on the water inlet pipe, the water outlet pipe and the blow-off pipe of the shallow sand filter cylinders, so that the other shallow sand filter cylinder can be backwashed or used for standby when the two shallow sand filter cylinders are used for filtering; thereby can realize continuous filtration to can be convenient for realize the automation of the filtration and the backwash of shallow sand filter vat, improve work efficiency, reduce cost.
In order to improve the filtering efficiency and simplify the equipment structure, preferably, the first shallow sand filtering cylinder 1 and the second shallow sand filtering cylinder 2 both include a cylinder body 101, a water distribution device 102 communicated with a water inlet pipe is arranged at the upper part of the cylinder body 101, and a water distribution plate 103 is arranged below the water distribution device 102;
a filter layer is arranged below the water distribution plate 103; the filtering layers comprise a sandstone layer 104, an intermediate filtering layer 105 and an activated carbon filtering layer 106 which are arranged from top to bottom in sequence; the bottom of the cylinder body 101 is provided with a water collecting device 107 communicated with the water outlet.
In order to improve the purification effect, it is preferable that the intermediate filter layer 105 is a PP cotton filter layer.
In order to simplify the structure and reduce the cost, it is preferable that the water collecting device 107 is a water collecting tray.
Claims (4)
1. Full-automatic shallow sand filter, its characterized in that: the device comprises a first shallow sand filter cylinder (1), a second shallow sand filter cylinder (2), a main water inlet pipe (3), a main water drainage pipe (4), a main sewage discharge pipe (5) and a PLC (programmable logic controller);
a first water inlet pipe (11) and a first drain pipe (13) are arranged at the upper end of the first shallow sand filtering cylinder (1); a first drainage pipe (12) is arranged at the lower part of the first shallow sand filtering cylinder (1);
a second water inlet pipe (21) and a second sewage draining pipe (23) are arranged at the upper end of the second shallow sand filtering cylinder (2); a second water drainage pipe (22) is arranged at the lower part of the second shallow sand filtering cylinder (2);
the first water inlet pipe (11) is communicated with the water inlet main pipe (3) through a first electromagnetic valve (14); the second water inlet pipe (21) is communicated with the water inlet main pipe (3) through a second electromagnetic valve (24);
the first sewage discharge pipe (13) is communicated with the sewage main pipe (5) through a third electromagnetic valve (16), and the second sewage discharge pipe (23) is communicated with the sewage main pipe (5) through a fourth electromagnetic valve (26);
the lower end of the first drainage pipe (12) is connected with a first three-phase three-way electromagnetic valve (15); the lower end of the second water discharge pipe (22) is connected with a second three-phase three-way electromagnetic valve (25);
the first three-phase three-way electromagnetic valve (15) is connected with a first three-way pipe (17); the second three-phase three-way electromagnetic valve (25) is connected with a second three-way pipe (27);
two communicating pipelines are arranged between the first three-way pipe (17) and the second three-way pipe (27); one pipeline comprises a first check valve (18) and a first booster pump (6); the other pipeline comprises a second one-way valve (28) and a second booster pump (7);
the first one-way valve (18) is positioned between the first three-way pipe (17) and the first booster pump (6); the second one-way valve (28) is positioned between the second three-way pipe (27) and the second booster pump (7);
the first electromagnetic valve (14), the second electromagnetic valve (24), the third electromagnetic valve (16), the fourth electromagnetic valve (26), the first booster pump (6), the second booster pump (7), the first three-phase three-way electromagnetic valve (15) and the second three-phase three-way electromagnetic valve (25) are electrically connected with the PLC respectively.
2. The fully automatic shallow sand filter of claim 1, wherein: the first shallow sand filtering cylinder (1) and the second shallow sand filtering cylinder (2) both comprise a cylinder body (101), a water distribution device (102) communicated with a water inlet pipe is arranged at the upper part of the cylinder body (101), and a water distribution plate (103) is arranged below the water distribution device (102);
a filter layer is arranged below the water distribution plate (103); the filtering layer comprises a sandstone layer (104), a middle filtering layer (105) and an activated carbon filtering layer (106) which are arranged from top to bottom in sequence; the bottom of the cylinder body (101) is provided with a water collecting device (107) communicated with the water outlet.
3. The fully automatic shallow sand filter of claim 2, wherein: the middle filter layer (105) adopts a PP cotton filter layer.
4. The fully automatic shallow sand filter of claim 3, wherein: the water collecting device (107) adopts a water collecting disc.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921296177.5U CN210521873U (en) | 2019-08-09 | 2019-08-09 | Full-automatic shallow sand filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921296177.5U CN210521873U (en) | 2019-08-09 | 2019-08-09 | Full-automatic shallow sand filter |
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| Publication Number | Publication Date |
|---|---|
| CN210521873U true CN210521873U (en) | 2020-05-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921296177.5U Active CN210521873U (en) | 2019-08-09 | 2019-08-09 | Full-automatic shallow sand filter |
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| CN (1) | CN210521873U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112623140A (en) * | 2020-11-06 | 2021-04-09 | 昆明海威机电技术研究所(有限公司) | Underwater cleaning system and method for ship |
| CN112978862A (en) * | 2021-05-11 | 2021-06-18 | 上海集熠节能环保技术有限公司 | Concentration filtering desalination device and filtering component |
-
2019
- 2019-08-09 CN CN201921296177.5U patent/CN210521873U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112623140A (en) * | 2020-11-06 | 2021-04-09 | 昆明海威机电技术研究所(有限公司) | Underwater cleaning system and method for ship |
| CN112978862A (en) * | 2021-05-11 | 2021-06-18 | 上海集熠节能环保技术有限公司 | Concentration filtering desalination device and filtering component |
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