CN216571698U - Water quality sand filtering system - Google Patents
Water quality sand filtering system Download PDFInfo
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- CN216571698U CN216571698U CN202123344100.0U CN202123344100U CN216571698U CN 216571698 U CN216571698 U CN 216571698U CN 202123344100 U CN202123344100 U CN 202123344100U CN 216571698 U CN216571698 U CN 216571698U
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Abstract
The utility model relates to a water quality sand filtration system, which comprises a collecting tank and at least one sand filtration tower; the sand filtration tower is provided with a water inlet end and a water outlet end and is connected with a filtration water inlet pipeline, a filtration water outlet pipeline, a back flush water inlet pipeline and a back flush water outlet pipeline; the sand filter tower further comprises an exhaust pipeline, the exhaust pipeline further comprises a first branch and a second branch, a one-way valve is mounted on the first branch, and the other end of the first branch is a free end and used for introducing air into the sand filter tower in a one-way mode; the second branch is provided with an exhaust valve, and the other end of the second branch is connected with a back-flushing water outlet pipeline and used for exhausting gas in the sand filtration tower; the utility model adopts the sand filtration tower to filter the wastewater, which not only ensures the water treatment quality, but also facilitates the cleaning of the follow-up sand filtration tower, and the cleaning of the sand filtration tower adopts the treated water reflux washing, thereby effectively ensuring the service cycle of the internal medium of the sand filtration tower; meanwhile, the arrangement of the one-way valve and the exhaust valve ensures the constant pressure inside the sand filtration tower, and the structure is reasonable and simple.
Description
Technical Field
The utility model relates to a waste water treatment technical field, in particular to quality of water sand filtration system.
Background
The sand filtration system is used for enabling filtered water to reach the medium layer through the water inlet, most pollutants are intercepted on the upper surface of the medium, and fine pollutants and other floating organic matters are intercepted inside the medium layer, so that the production system is not interfered by the pollutants and can work well; the filter medium is mainly used for removing suspended matters, microorganisms and other fine particles in water, and finally the effects of reducing water turbidity and purifying water quality are achieved; however, need carry out the anti-washing after its work a period and handle, the anti-cleaning performance of current sand filtration equipment all can't reach the optimum, and then also can exert an influence to subsequent purification efficiency, consequently the utility model discloses a quality of water sand filtration system has been developed to solve the problem that exists among the prior art.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the purpose is: the utility model provides a quality of water sand filtration system to solve prior art well sand filter backwashing effect can't obtain further optimization's problem.
The technical scheme of the utility model is that: a water quality sand filtration system comprises a collecting tank and at least one sand filtration tower; the sand filtration tower is provided with a water inlet end and a water outlet end and is connected with a filtration water inlet pipeline, a filtration water outlet pipeline, a back flush water inlet pipeline and a back flush water outlet pipeline; one end of the filtering water inlet pipeline is connected with the collecting tank, the other end of the filtering water inlet pipeline is connected with the water inlet end, and a first valve is arranged on the filtering water inlet pipeline; the filtering water outlet pipeline is connected with the water outlet end and is provided with a second valve; one end of the backwashing water inlet pipeline is connected with the filtering water outlet pipeline, the other end of the backwashing water inlet pipeline is connected with the water outlet end, and a third valve is arranged; one end of the back washing water outlet pipeline is connected with the water inlet end, the other end of the back washing water outlet pipeline is connected with the collecting tank, and a fourth valve is installed.
Preferably, a direct drainage pipeline is further arranged between the water outlet end and the back washing water outlet pipeline, and a fifth valve is mounted on the direct drainage pipeline.
Preferably, the top of the sand filtration tower is further connected with an exhaust pipeline, the exhaust pipeline further comprises a first branch and a second branch, a one-way valve is mounted on the first branch, and the other end of the first branch is a free end and used for introducing air into the sand filtration tower in a one-way mode; and the second branch is provided with an exhaust valve, and the other end of the second branch is connected with a back-flushing water outlet pipeline and used for exhausting gas in the sand filtration tower.
Preferably, the tail end of the filtered water pipeline is further connected with a pH adjusting tank, and ultrasonic liquid level meters are arranged in the pH adjusting tank and the collecting tank.
Preferably, the filter water inlet pipelines are all provided with flow meters.
Compared with the prior art, the utility model has the advantages that:
the utility model adopts the sand filtration tower to filter the wastewater, which not only ensures the water treatment quality, but also facilitates the cleaning of the follow-up sand filtration tower, and the cleaning of the sand filtration tower adopts the treated water reflux washing, the cleaning efficiency is high, and the service cycle of the medium in the sand filtration tower is effectively ensured; meanwhile, the arrangement of the one-way valve and the exhaust valve ensures constant pressure in the sand filtration tower, when liquid flows in, internal gas is exhausted by the exhaust valve, and at the moment, the gas does not directly enter the air but flows out along with a back-flushing water outlet pipeline, so that the external environment is prevented from being influenced; when the liquid flows out, air is supplemented inside through the one-way valve, and the whole structure is reasonable and simple.
Drawings
The invention will be further described with reference to the following drawings and examples:
fig. 1 is a schematic structural view of a water quality sand filtration system according to the present invention;
fig. 2 is a diagram of an internal flow path shown by a thick solid line when the water quality sand filtration system of the present invention filters;
fig. 3 is a diagram of an internal circulation path shown by thick solid lines when the water quality sand filtration system of the present invention is back-washed.
Wherein: 1. the device comprises a collecting tank, 2, a sand filter tower, 3, a pH adjusting tank, 4, a water inlet end, 5, a water outlet end, 6, a filtering water inlet pipeline, 7, a filtering water outlet pipeline, 8, a backwashing water inlet pipeline, 9, a backwashing water outlet pipeline, 10, a straight line pipeline, 11, a flowmeter, 12, a first valve, 13, a second valve, 14, a third valve, 15, a fourth valve, 16, a fifth valve, 17, an exhaust pipeline, 18, a first branch, 19, a one-way valve, 20, a second branch, 21 and an exhaust valve.
Detailed Description
The following detailed description is made in conjunction with specific embodiments of the present invention:
as shown in fig. 1-3, a water sand filtration system comprises a collecting tank 1, at least one sand filtration tower 2; in this embodiment, sand filtration tower 2 sets up threely altogether, carries waste water to three sand filtration tower 2 simultaneously in the collecting pit 1, and then realizes waste water synchronous processing, and work efficiency is high.
The sand filtration tower 2 is provided with a water inlet end 4 and a water outlet end 5, and is connected with a filtration water inlet pipeline 6, a filtration water outlet pipeline 7, a back flush water inlet pipeline 8 and a back flush water outlet pipeline 9; one end of the filtering water inlet pipeline 6 is connected with the collecting tank 1, the other end is connected with the water inlet end 4, and a flow meter 11 and a first valve 12 (namely SA1, SB1 and SC1) are arranged; the filtered water pipeline 7 is connected with the water outlet end 5 and is provided with a second valve 13 (namely SA2, SB2 and SC 2); one end of the backwashing water inlet pipeline 8 is connected with the filtered water pipeline 7, the other end is connected with the water outlet end 5, and a third valve 14 (namely SA3, SB3 and SC3) is installed; one end of the back washing water outlet pipeline 9 is connected with the water inlet end 4, the other end is connected with the collecting tank 1, and a fourth valve 15 (namely SA4, SB4 and SC4) is arranged; a direct discharging pipeline 10 is also arranged between the water outlet end 5 and the back washing water outlet pipeline 9, and a fifth valve 16 (namely SA5, SB5 and SC5) is arranged on the direct discharging pipeline 10.
Because liquid continuously flows in and out of the sand filtration tower 2 and the internal constant pressure needs to be ensured, the top of the sand filtration tower 2 is also connected with an exhaust pipeline 17, the exhaust pipeline 17 also comprises a first branch 18 and a second branch 20, the first branch 18 is provided with a one-way valve 19, and the other end is a free end and is used for introducing air into the sand filtration tower 2 in one way; the second branch 20 is provided with an exhaust valve 21, and the other end of the second branch is connected with the back flush water outlet pipeline 9 and used for exhausting the gas in the sand filtration tower 2.
The tail end of the filtered water pipeline 7 is also connected with a pH adjusting tank 3, and ultrasonic liquid level meters are arranged in the pH adjusting tank 3 and the collecting tank 1.
During filtering, as shown in fig. 2, the wastewater flows out of the collecting tank 1, flows through the first valve 12 along the filtering water inlet pipeline 6, enters the sand filtration tower 2 from the water inlet end 4, is filtered in the sand filtration tower 2 and then is discharged from the water outlet end 5, and flows through the second valve 13 along the filtering water outlet pipeline 7 and is discharged.
During back flushing, as shown in fig. 3, the treated wastewater (hereinafter referred to as "clean water") flows in along the back flushing water inlet pipeline 8, flows through the third valve 14, and enters the sand filtration tower 2 from the water outlet end 5, the clean water flows in the sand filtration tower 2 in a reverse direction, washes the internal medium in a reverse direction, is finally discharged from the water inlet end 4, flows through the fourth valve 15 along the back flushing water outlet pipeline 9, and is discharged into the collection tank 1, finally, the liquid in the whole sand filtration tower 2 is completely emptied through the fifth valve 16, and the emptied liquid also enters the collection tank 1 along the straight pipeline 10 and the back flushing water outlet pipeline 9.
In this embodiment, sand filtration tower 2 sets up threely altogether, carries waste water to three sand filtration tower 2 simultaneously in the collecting pit 1, and then realizes waste water synchronous processing, and work efficiency is high.
The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose of the embodiments is to enable those skilled in the art to understand the contents of the present invention and to implement the present invention, which cannot limit the protection scope of the present invention. It is obvious to a person skilled in the art that the invention is not limited to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention, and that the embodiments are therefore to be considered in all respects as exemplary and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.
Claims (5)
1. The utility model provides a quality of water sand filtration system which characterized in that: comprises a collecting tank and at least one sand filtering tower; the sand filtration tower is provided with a water inlet end and a water outlet end and is connected with a filtration water inlet pipeline, a filtration water outlet pipeline, a back flush water inlet pipeline and a back flush water outlet pipeline; one end of the filtering water inlet pipeline is connected with the collecting tank, the other end of the filtering water inlet pipeline is connected with the water inlet end, and a first valve is arranged on the filtering water inlet pipeline; the filtering water outlet pipeline is connected with the water outlet end and is provided with a second valve; one end of the backwashing water inlet pipeline is connected with the filtering water outlet pipeline, the other end of the backwashing water inlet pipeline is connected with the water outlet end, and a third valve is arranged; one end of the back washing water outlet pipeline is connected with the water inlet end, the other end of the back washing water outlet pipeline is connected with the collecting tank, and a fourth valve is installed.
2. The water sand filtration system of claim 1 wherein: a direct drainage pipeline is further arranged between the water outlet end and the back washing water outlet pipeline, and a fifth valve is mounted on the direct drainage pipeline.
3. The water sand filtration system of claim 1 wherein: the top of the sand filtration tower is also connected with an exhaust pipeline, the exhaust pipeline also comprises a first branch and a second branch, the first branch is provided with a one-way valve, and the other end of the first branch is a free end and is used for introducing air into the sand filtration tower in a one-way manner; and the second branch is provided with an exhaust valve, and the other end of the second branch is connected with a back-flushing water outlet pipeline and used for exhausting gas in the sand filtration tower.
4. The water sand filtration system of claim 1 wherein: the tail end of the filtering water outlet pipeline is also connected with a pH adjusting tank, and ultrasonic liquid level meters are arranged in the pH adjusting tank and the collecting tank.
5. The water sand filtration system of claim 1 wherein: and flow meters are arranged on the filtering water inlet pipelines.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123344100.0U CN216571698U (en) | 2021-12-28 | 2021-12-28 | Water quality sand filtering system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123344100.0U CN216571698U (en) | 2021-12-28 | 2021-12-28 | Water quality sand filtering system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216571698U true CN216571698U (en) | 2022-05-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123344100.0U Active CN216571698U (en) | 2021-12-28 | 2021-12-28 | Water quality sand filtering system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216571698U (en) |
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2021
- 2021-12-28 CN CN202123344100.0U patent/CN216571698U/en active Active
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