CN223861489U - A sand filter for water treatment - Google Patents
A sand filter for water treatmentInfo
- Publication number
- CN223861489U CN223861489U CN202520456512.2U CN202520456512U CN223861489U CN 223861489 U CN223861489 U CN 223861489U CN 202520456512 U CN202520456512 U CN 202520456512U CN 223861489 U CN223861489 U CN 223861489U
- Authority
- CN
- China
- Prior art keywords
- valve
- pipe
- connecting pipe
- sand
- sand filter
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
Landscapes
- Filtration Of Liquid (AREA)
Abstract
The utility model discloses a sand filter for water treatment, which comprises a water inlet pipe and a water outlet pipe, wherein a first connecting pipe and a second connecting pipe are connected between the water inlet pipe and the water outlet pipe, a first valve is arranged on the water outlet pipe, a second valve and a third valve are arranged on the first connecting pipe, a first sand filtering mechanism is connected on the first connecting pipe, a fourth valve and a fifth valve are arranged on the second connecting pipe, a second sand filtering mechanism is connected on the second connecting pipe, and a backwashing mechanism is arranged between the water outlet pipe and the first sand filtering mechanism and the second sand filtering mechanism. According to the sand filter for water treatment, through the first sand filtering mechanism and the second sand filtering mechanism, sewage can be filtered and the filter plate backwashed without stopping, and the filter plate is replaced without stopping, so that time is saved, and the sewage treatment efficiency is improved.
Description
Technical Field
The utility model relates to the technical field of sewage treatment, in particular to a sand filter for water treatment.
Background
The waste water treatment aims at separating pollutant from waste water in some way or decomposing and converting the pollutant into harmless stable matter to purify the waste water, and the waste treatment is to use physical, chemical or biological method or the combination of several methods to eliminate harmful matter from waste water. The sand filter can be used as a water filtering facility to remove suspended matters in water so as to achieve the aim of cleaning sewage, and is widely applied to sewage treatment due to good filtering effect. But current sand filter in-service use, in order to ensure the filter effect, can set up backwash mechanism and wash the filter, in backwash in-process, sewage treatment process just need stop, and the filter long-time use needs to be changed moreover, changes filter sewage treatment process and also need stop, has reduced sewage treatment efficiency.
Disclosure of utility model
The utility model aims to solve the problems that in the actual use process of the existing sand filter, a backwashing mechanism is arranged to clean a filter plate, in the backwashing process, the sewage treatment process needs to be stopped, the filter plate needs to be replaced after long-time use, the sewage treatment process of replacing the filter plate also needs to be stopped, the sewage treatment efficiency is reduced and the like.
In order to achieve the aim of the utility model, the utility model adopts the following technical scheme:
The utility model provides a sand filter for water treatment, includes inlet tube and outlet pipe, be connected with first connecting pipe and second connecting pipe between inlet tube and the outlet pipe, be provided with first valve on the outlet pipe, be provided with second valve and third valve on the first connecting pipe, be connected with first sand filtration mechanism on the first connecting pipe, be provided with fourth valve and fifth valve on the second connecting pipe, be connected with second sand filtration mechanism on the second connecting pipe, be provided with backwash mechanism between outlet pipe and first sand filtration mechanism and the second sand filtration mechanism.
Further, the backwashing mechanism comprises a Y-shaped water pipe communicated with the water outlet pipe, and a sixth valve, a seventh valve and an eighth valve are arranged on the Y-shaped water pipe.
Further, the first sand filter mechanism is positioned between the second valve and the third valve.
Further, the second sand filtering mechanism is positioned between the fourth valve and the fifth valve.
Further, the first sand filtering mechanism comprises a first shell communicated with a first connecting pipe, a first filter plate is inserted on the first shell, a first fixing plate is fixedly arranged at the top of the first filter plate and fixedly connected with the first shell through bolts, a first blow-off pipe is connected to the bottom of the first shell, a ninth valve is arranged on the first blow-off pipe, and the bottom of the first shell is communicated with one end, close to the seventh valve, of the Y-shaped water pipe.
Further, the second sand filtering mechanism comprises a second shell communicated with a second connecting pipe, a second filter plate is inserted on the second shell, a second fixing plate is fixedly arranged at the top of the second filter plate, the second fixing plate is fixedly connected with the second shell through bolts, a second blow-down pipe is connected to the bottom of the second shell, a tenth valve is arranged on the second blow-down pipe, and the bottom of the second shell is communicated with one end, close to the eighth valve, of the Y-shaped water pipe.
The beneficial effects of the utility model are as follows:
According to the sand filter for water treatment, through the first sand filtering mechanism and the second sand filtering mechanism, sewage can be filtered and the filter plate backwashed without stopping, and the filter plate is replaced without stopping, so that time is saved, and the sewage treatment efficiency is improved.
Drawings
FIG. 1 is a schematic perspective view of the present utility model;
FIG. 2 is a schematic view of a first sand filter mechanism according to the present utility model;
Fig. 3 is a schematic structural view of a first sand filtering mechanism of the present utility model.
Reference numeral control table:
1. A water inlet pipe; 2, a water outlet pipe, 3, a first connecting pipe, 4, a second connecting pipe, 5, a first valve, 6, a second valve, 7, a third valve, 8, a first sand filtering mechanism, 9, a fourth valve, 10, a fifth valve, 11, a second sand filtering mechanism, 12, a backwashing mechanism, 13, a Y-shaped water pipe, 14, a sixth valve, 15, a seventh valve, 16, an eighth valve, 17, a first shell, 18, a first filter plate, 19, a first fixing plate, 20, a second shell, 21, a second filter plate, 22, a second fixing plate, 23, a second drain pipe, 24, a tenth valve, 25, a first drain pipe, 26 and a ninth valve.
Detailed Description
Specific embodiments of the present utility model will be further described below with reference to the accompanying drawings. Wherein like parts are designated by like reference numerals.
It should be noted that the words "front", "rear", "left", "right", "upper" and "lower" used in the following description refer to directions in the drawings, and the words "inner" and "outer" refer to directions toward or away from, respectively, the geometric center of a particular component.
In order to make the contents of the present utility model more clearly understood, the technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model.
As shown in fig. 1 to 3, a sand filter for water treatment comprises a water inlet pipe 1 and a water outlet pipe 2, wherein a first connecting pipe 3 and a second connecting pipe 4 are connected between the water inlet pipe 1 and the water outlet pipe 2.
The water outlet pipe 2 is provided with a first valve 5, the first connecting pipe 3 is provided with a second valve 6 and a third valve 7, the first connecting pipe 3 is connected with a first sand filtering mechanism 8, and the first sand filtering mechanism 8 is positioned between the second valve 6 and the third valve 7.
The second connecting pipe 4 is provided with a fourth valve 9 and a fifth valve 10, the second connecting pipe 4 is connected with a second sand filtering mechanism 11, and the second sand filtering mechanism 11 is positioned between the fourth valve 9 and the fifth valve 10.
A backwashing mechanism 12 is arranged between the water outlet pipe 2 and the first sand filtering mechanism 8 and the second sand filtering mechanism 11, the backwashing mechanism 12 comprises a Y-shaped water pipe 13 communicated with the water outlet pipe 2, and a sixth valve 14, a seventh valve 15 and an eighth valve 16 are arranged on the Y-shaped water pipe 13.
The first sand filtering mechanism 8 comprises a first shell 17 communicated with the first connecting pipe 3, a first filter plate 18 is inserted on the first shell 17, a first fixing plate 19 is fixedly arranged at the top of the first filter plate 18, the first fixing plate 19 is fixedly connected with the first shell 17 through bolts, a first blow-off pipe 25 is connected to the bottom of the first shell 17, a ninth valve 26 is arranged on the first blow-off pipe 25, and the bottom of the first shell 17 is communicated with one end, close to the seventh valve 15, of the Y-shaped water pipe 13.
The second sand filtering mechanism 11 comprises a second shell 20 communicated with the second connecting pipe 4, a second filter plate 21 is inserted on the second shell 20, a second fixing plate 22 is fixedly arranged at the top of the second filter plate 21, the second fixing plate 22 is fixedly connected with the second shell 20 through bolts, a second blow-down pipe 23 is connected to the bottom of the second shell 20, a tenth valve 24 is arranged on the second blow-down pipe 23, and the bottom of the second shell 20 is communicated with one end, close to the eighth valve 16, of the Y-shaped water pipe 13.
When the device is in operation, the fourth valve 9 and the fifth valve 10 are closed, sewage enters from the water inlet pipe 1, the first connecting pipe 3 enters the first shell 17 through the first connecting pipe 3, is filtered through the first filter plate 18, and flows out from the water outlet pipe 2.
When the first filter plate 18 is blocked for a long time, the fourth valve 9 and the fifth valve 10 are opened, the second valve 6 and the third valve 7 are closed, sewage enters the second shell 20 through the second connecting pipe 4, is filtered through the second filter plate 21, and flows out of the water outlet pipe 2.
When the second filter plate 21 filters the blockage in long-time use, the second valve 6 and the third valve 7 are opened, the fourth valve 9 and the fifth valve 10 are closed, and the filtering path can be switched without stopping the machine.
The first filter plate 18 or the second filter plate 21 can be replaced without stopping the machine, so that the time is saved, and the sewage treatment efficiency is improved.
When the first filter plate 18 is backwashed, the second sand filter mechanism 11 filters sewage, the ninth valve 26 is opened, the seventh valve 15 and the sixth valve 14 are opened, the first valve 5 is closed, filtered water flows into the first shell 17 from the Y-shaped water pipe 13, the first filter plate 18 is backwashed, backwashed sewage is discharged from the first sewage discharge pipe 25, the first valve 5 is opened, the seventh valve 15, the sixth valve 14 and the ninth valve 26 are closed, and backwashed of the first filter plate 18 is completed.
When the second filter plate 21 is backwashed, the first sand filter mechanism 8 filters sewage, the tenth valve 24 is opened, the eighth valve 16 and the sixth valve 14 are opened, the first valve 5 is closed, filtered water flows into the second shell 20 from the Y-shaped water pipe 13, the second filter plate 21 is backwashed, backwashed sewage is discharged from the second drain pipe 23, the first valve 5 is opened, and the eighth valve 16, the sixth valve 14 and the tenth valve 24 are closed to finish the backwashed of the second filter plate 21.
The backwashing process of the first filter plate 18 and the second filter plate 21 does not need to be stopped, so that the time is saved, and the sewage treatment efficiency is improved.
The above description is illustrative of the preferred embodiments of the present utility model and is not intended to limit the scope of the present utility model, but is to be accorded the full scope of the claims.
Claims (6)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202520456512.2U CN223861489U (en) | 2025-03-17 | 2025-03-17 | A sand filter for water treatment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202520456512.2U CN223861489U (en) | 2025-03-17 | 2025-03-17 | A sand filter for water treatment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN223861489U true CN223861489U (en) | 2026-02-03 |
Family
ID=98593326
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202520456512.2U Active CN223861489U (en) | 2025-03-17 | 2025-03-17 | A sand filter for water treatment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN223861489U (en) |
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2025
- 2025-03-17 CN CN202520456512.2U patent/CN223861489U/en active Active
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