CN217732836U - Water purification plant water purification system capable of being automatically adjusted - Google Patents
Water purification plant water purification system capable of being automatically adjusted Download PDFInfo
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- CN217732836U CN217732836U CN202221072568.0U CN202221072568U CN217732836U CN 217732836 U CN217732836 U CN 217732836U CN 202221072568 U CN202221072568 U CN 202221072568U CN 217732836 U CN217732836 U CN 217732836U
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Abstract
The utility model discloses a can automatic adjustment water purification system for water purification plant, including the turbidimeter, the preliminary sedimentation pond, mixing arrangement, the flocculation and precipitation pond, the filtering pond, install the turbidimeter on the water inlet manifold, install the water inlet valve on the inlet tube of preliminary sedimentation pond, draw forth the bypass pipe and install the bypass valve on the preliminary sedimentation pond, the outlet pipe of preliminary sedimentation pond connects to the inlet tube of mixing arrangement, the outlet pipe of mixing arrangement connects to the inlet tube of flocculation and precipitation pond, install the water inlet valve on the inlet tube of flocculation and precipitation pond, draw forth the bypass pipe and install the bypass valve on the flocculation and precipitation pond, the outlet pipe of flocculation and precipitation pond connects to the inlet tube of filtering pond, the outlet pipe of filtering pond connects to follow-up processing system; the turbidimeter transmits a water quality turbidity signal to the PLC, and the PLC converts the water quality turbidity signal into an electric signal to control the water inlet valve and the bypass valve to work. The process flow can be automatically adjusted according to the different qualities of the incoming water, the operating cost of a water plant is reduced, and the water production period is shortened.
Description
Technical Field
The utility model relates to a water purification system, especially a but automatic adjustment water purification system for water purification plant.
Background
Surface water is carried to the water purification plant through conduit for water purification treatment, under most circumstances, the same set of process flow is often adopted by the water purification plant, the water purification system that the water purification plant commonly used is shown in figure 1, that is, the coming water enters the preliminary sedimentation tank 2 after the turbidimeter 1 and gets rid of the impurity particle that can deposit naturally, pass through mixing arrangement 3 again, fully, evenly spread the medicament in the water, then pass through flocculation sedimentation tank 4, the impurity particle collides each other, the coalescence, deposit under the action of gravity, reach solid-liquid separation, pass through filtering pond 5 again, tiny impurity particle is further held back by the filter material, the play water after 5 processings in filtering pond can get into the clean water basin and disinfect the back external supply, also can get into deep processing system and further purify water quality.
However, the water quality of the surface water is different along with the change of seasons, and in the flood season, the surface water has high silt content, and when the turbidity is more than 3000NTU, the surface water needs to be subjected to pre-sedimentation treatment by a pre-sedimentation tank, so that the dosage of subsequent coagulating sedimentation can be effectively reduced, and the operating cost of a water plant is reduced; when the inlet water turbidity is not more than 2000-3000 NTU, the inlet water can directly enter the mixed flocculation-precipitation-filtration process for treatment without pre-precipitation; in the dry period, the water quality is better, when the inlet water turbidity is not more than 25NTU, the inlet water can directly enter the filter tank for filtration treatment after being mixed by the mixing device, and the dosing amount is smaller during mixing.
At present, most water purification plants do not adjust the process flow according to the difference of water quality, so that the water purification plants have the disadvantages of high operation cost, complex management and long water production period.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a but, provide an automatically regulated water purification system for water purification plant, according to the different automatically regulated process flow of the quality of water that comes, reduce water works working costs, shorten the water cycle of producing.
In order to solve the technical problem, the utility model discloses a technical scheme is: an automatically adjustable water purification system for a water purification plant comprises a turbidimeter, a pre-sedimentation tank, a mixing device, a flocculation sedimentation tank and a filter tank, wherein the turbidimeter is installed on a water inlet main pipe, a pre-sedimentation tank water inlet valve is installed on a water inlet pipe of the pre-sedimentation tank, a pre-sedimentation tank bypass pipe is led out from a pipeline in front of the water inlet valve of the pre-sedimentation tank and connected to a water outlet pipe of the pre-sedimentation tank, a pre-sedimentation tank bypass valve is installed on the pre-sedimentation tank bypass pipe, a water outlet pipe of the pre-sedimentation tank is connected to the water inlet pipe of the mixing device, a water outlet pipe of the mixing device is connected to a water inlet pipe of the flocculation sedimentation tank, a flocculation sedimentation tank water inlet valve is installed on the water inlet pipe of the flocculation sedimentation tank, a flocculation sedimentation tank bypass pipe is led out from the pipeline in front of the water inlet valve of the flocculation sedimentation tank and connected to a water outlet pipe of the flocculation sedimentation tank, the water outlet pipe of the flocculation sedimentation tank is connected to a subsequent treatment system; the turbidity meter transmits a water quality turbidity signal to the PLC, and the PLC converts the water quality turbidity signal into an electric signal to control the work of the water inlet valve of the pre-settling tank, the bypass valve of the pre-settling tank, the water inlet valve of the flocculation sedimentation tank and the bypass valve of the flocculation sedimentation tank.
The mixing device is a mixing tank or a pipeline mixer.
And a bypass pipeline behind the bypass valve of the flocculation sedimentation tank is connected to a water inlet pipe of the filter tank or directly connected to the filter tank.
The water inlet valve of the pre-settling tank, the bypass valve of the pre-settling tank, the water inlet valve of the flocculation sedimentation tank and the bypass valve of the flocculation sedimentation tank are all electrically controlled.
The utility model has the advantages that:
1. according to the change of the surface water quality, the PLC can automatically control the opening and closing of the valve to realize the automatic adjustment of the process flow;
2. when the surface water has high sediment content and the turbidity is more than 3000NTU, the dosage of subsequent coagulating sedimentation can be effectively reduced after the pre-sedimentation treatment in the pre-sedimentation tank, and the operating cost of a water plant is reduced;
3. when the inlet water turbidity is not more than 2000-3000 NTU, the inlet water can directly enter the mixed flocculation precipitation filtration process for treatment without pre-precipitation, and the water production period is shortened;
4. when the inlet water turbidity is not more than 25NTU, the inlet water can directly enter the filter tank for filtration treatment after being mixed by the mixing device, so that the dosing amount during mixing can be reduced, the operating cost of a water plant is reduced, and the water production period is shortened;
5. under the condition of maintenance of the preliminary sedimentation tank or the flocculation sedimentation tank, normal operation of a water plant can still be realized;
6. the dosage and the treatment process can be controlled according to specific conditions, and the energy-saving effect is achieved.
Drawings
Fig. 1 is a schematic view of a water purification system commonly used in a water purification plant of the prior art.
Fig. 2 is a schematic diagram of the water purification system of the present invention for water purification plant capable of automatic adjustment.
In the figure: 1. a turbidity meter, 2, a pre-settling tank, 3, a mixing device, 4, a flocculation sedimentation tank, 5, a filter tank, 6, a pre-settling tank water inlet valve, 7, a pre-settling tank bypass valve, 8, a flocculation sedimentation tank water inlet valve, 9, a flocculation sedimentation tank bypass valve, 10 and a PLC controller.
Detailed Description
The technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiment of the present invention; obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention based on the embodiments of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "sleeved/connected", "connected", and the like are to be understood in a broad sense, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in fig. 2, the utility model discloses a but automatic adjustment water purification system for water purification plant, including turbidimeter 1, preliminary sedimentation tank 2, mixing arrangement 3, flocculation and precipitation pond 4, filtering pond 5, install turbidimeter 1 on the water inlet manifold, install preliminary sedimentation tank water inlet valve 6 on the inlet tube of preliminary sedimentation tank 2, draw forth preliminary sedimentation tank bypass pipe on the pipeline in front of preliminary sedimentation tank water inlet valve 6, connect to the outlet pipe of preliminary sedimentation tank 2, install preliminary sedimentation tank bypass valve 7 on the preliminary sedimentation tank bypass pipe, the outlet pipe of preliminary sedimentation tank 2 connects to the inlet tube of mixing arrangement 3, the outlet pipe of mixing arrangement 3 connects to the inlet tube of flocculation and precipitation pond 4, install flocculation and precipitation pond water inlet valve 8 on the inlet tube of flocculation and precipitation pond 4, draw forth flocculation and precipitation pond bypass pipe on the pipeline in front of flocculation and precipitation pond water inlet valve 8, connect to the outlet pipe of flocculation and precipitation pond 4, install flocculation and precipitation pond bypass valve 9 on the bypass pipe of flocculation and precipitation pond, the outlet pipe of flocculation and precipitation pond 4 connects to the inlet tube of filtering pond 5, the outlet pipe of filtering pond 5 connects to subsequent processing system; the turbidity meter 1 transmits a water quality turbidity signal to the PLC 10, the PLC 10 converts the water quality turbidity signal into an electric signal, and controls the water inlet valve 6 of the pre-settling tank, the bypass valve 7 of the pre-settling tank, the water inlet valve 8 of the flocculation sedimentation tank and the bypass valve 9 of the flocculation sedimentation tank to work.
The mixing device 3 is a mixing tank or a pipeline mixer. And a bypass pipeline behind the bypass valve 9 of the flocculation sedimentation tank is connected to a water inlet pipe of the filter 5 or directly connected to the filter 5. The water inlet valve 6 of the pre-settling tank, the bypass valve 7 of the pre-settling tank, the water inlet valve 8 of the flocculation sedimentation tank and the bypass valve 9 of the flocculation sedimentation tank are all electrically controlled.
In order to facilitate understanding of the present invention, the following description is further provided with reference to the accompanying drawings and specific embodiments. The method comprises the following steps that a turbidimeter 1 on a water inlet header pipe monitors the quality of inlet water, when the inlet water has high sediment content and turbidity larger than 3000NTU, firstly, pre-sedimentation treatment is carried out to remove naturally-sedimentable impurity particles, then, coagulation sedimentation filtration reaction is carried out to remove suspended colloid impurity particles, at the moment, a water inlet valve 6 of a pre-sedimentation tank and a water inlet valve 8 of a flocculation sedimentation tank need to be opened, a bypass valve 7 of the pre-sedimentation tank and a bypass valve 9 of the flocculation sedimentation tank are closed, and incoming water is sequentially treated by the pre-sedimentation tank 2, a mixing device 3, the flocculation sedimentation tank 4 and a filter tank 5 and then enters a subsequent treatment system; when the inlet water turbidity is not more than 2000-3000 NTU, the incoming water can directly enter a mixed flocculation precipitation filtration process for treatment without pre-precipitation, the water production period is shortened, at the moment, a pre-precipitation tank bypass valve 7 and a flocculation precipitation tank water inlet valve 8 need to be opened, a pre-precipitation tank water inlet valve 6 and a flocculation precipitation tank bypass valve 9 need to be closed, the incoming water exceeds a pre-precipitation tank 2, and the incoming water enters a mixing device 3, a flocculation precipitation tank 4 and a filter tank 5 in sequence for treatment and then enters a subsequent treatment system; when the inlet water turbidity is not more than 25NTU, the inlet water does not need to be subjected to pre-settling and flocculation precipitation reaction, a small amount of coagulant is added into the mixing device 3 and is mixed, then the mixture directly enters the filter tank 5 for filtration treatment, the contact flocculation effect is fully exerted, the dosage during mixing can be reduced, the operating cost of a water plant is reduced, and the water production period is shortened.
The turbidity meter 1 is used for monitoring the water quality turbidity condition of inlet water, transmitting a water turbidity signal to the PLC controller 10, and the PLC controller 10 accurately evaluates the running state of the equipment according to running parameters by detecting, collecting and transmitting various parameters of the inlet valve 6 of the pre-settling tank, the bypass valve 7 of the pre-settling tank, the inlet valve 8 of the flocculation sedimentation tank and the bypass valve 9 of the flocculation sedimentation tank, and gradually issues corresponding control instructions after confirming the normal running state of the equipment so as to control corresponding valves and finish various operations; the turbidimeter 1 has strong anti-interference capability and ultra-fast detection speed, is favorable for real-time control and has better real-time monitoring effect.
The utility model discloses the working process as follows: the turbidimeter 1 is used for monitoring the turbidity condition of the water quality of the inlet water, when the sediment content of the inlet water is high and the turbidity is more than 3000NTU, the turbidimeter 1 transmits a water turbidity signal to the PLC 10, the PLC 10 converts the water turbidity signal into an electric signal, the inlet valve 6 of the preliminary sedimentation tank and the inlet valve 8 of the flocculation sedimentation tank are controlled to be opened, the bypass valve 7 of the preliminary sedimentation tank and the bypass valve 9 of the flocculation sedimentation tank are closed, and the inlet water sequentially passes through the preliminary sedimentation tank 2, the mixing device 3, the flocculation sedimentation tank 4 and the filter tank 5 and then enters a subsequent treatment system; when the inlet water turbidity is not more than 2000-3000 NTU, the incoming water can directly enter a mixed flocculation precipitation filtration process for treatment without pre-precipitation, and at the moment, the PLC 10 controls to open a pre-precipitation tank bypass valve 7 and a flocculation precipitation tank water inlet valve 8, close a pre-precipitation tank water inlet valve 6 and a flocculation precipitation tank bypass valve 9, and the incoming water surpasses a pre-precipitation tank 2, enters a mixing device 3, a flocculation precipitation tank 4 and a filter tank 5 in sequence for treatment and then enters a subsequent treatment system; when the inlet water turbidity is not more than 25NTU, the inlet water does not need to be subjected to pre-settling and flocculation precipitation reactions, a small amount of coagulant is added into the mixing device 3 and is mixed, then the mixture directly enters the filter tank 5 for filtration treatment, at the moment, the PLC 10 controls the opening of the pre-settling tank bypass valve 7 and the flocculation precipitation tank bypass valve 9, the closing of the pre-settling tank water inlet valve 6 and the flocculation precipitation tank water inlet valve 8, the inlet water exceeds the pre-settling tank 2 and enters the mixing device 3 for mixing, then exceeds the flocculation precipitation tank 4, directly enters the filter tank 5 for filtration treatment, and then enters a subsequent treatment system after treatment.
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 people 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. All equivalent changes and modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.
Claims (4)
1. A water purification system capable of automatically adjusting for a water purification plant comprises a turbidity meter (1), a pre-settling tank (2), a mixing device (3), a flocculation sedimentation tank (4) and a filter tank (5), and is characterized in that the turbidity meter (1) is installed on a water inlet main pipe, a pre-settling tank water inlet valve (6) is installed on a water inlet pipe of the pre-settling tank (2), a pre-settling tank bypass pipe is led out from a pipeline in front of the pre-settling tank water inlet valve (6) and connected to a water outlet pipe of the pre-settling tank (2), a pre-settling tank bypass valve (7) is installed on the pre-settling tank bypass pipe, a water outlet pipe of the pre-settling tank (2) is connected to a water inlet pipe of the mixing device (3), a water outlet pipe of the mixing device (3) is connected to a water inlet pipe of the flocculation sedimentation tank (4), a flocculation sedimentation tank bypass pipe (8) is installed on the water inlet pipe of the flocculation sedimentation tank (4), a flocculation sedimentation tank bypass valve (8) is led out from the pipeline and connected to a water outlet pipe of the flocculation sedimentation tank (5) for subsequent treatment; the turbidity meter (1) transmits a water quality turbidity signal to the PLC (programmable logic controller) controller (10), and the PLC controller (10) converts the water quality turbidity signal into an electric signal to control the work of the pre-settling tank water inlet valve (6), the pre-settling tank bypass valve (7), the flocculation sedimentation tank water inlet valve (8) and the flocculation sedimentation tank bypass valve (9).
2. The automatically adjustable water purification system for water purification plants according to claim 1, characterized in that the mixing device (3) is a mixing basin or a pipe mixer.
3. The automatically adjustable water purification system for water purification plants according to claim 1, characterized in that the bypass pipe after the flocculation basin bypass valve (9) is connected to the inlet pipe of the filter tank (5) or directly to the filter tank (5).
4. The automatically adjustable water purification system for a water purification plant according to claim 1, wherein the pre-settling tank water inlet valve (6), the pre-settling tank bypass valve (7), the flocculation sedimentation tank water inlet valve (8) and the flocculation sedimentation tank bypass valve (9) are all electrically controlled.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221072568.0U CN217732836U (en) | 2022-05-06 | 2022-05-06 | Water purification plant water purification system capable of being automatically adjusted |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221072568.0U CN217732836U (en) | 2022-05-06 | 2022-05-06 | Water purification plant water purification system capable of being automatically adjusted |
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| Publication Number | Publication Date |
|---|---|
| CN217732836U true CN217732836U (en) | 2022-11-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221072568.0U Active CN217732836U (en) | 2022-05-06 | 2022-05-06 | Water purification plant water purification system capable of being automatically adjusted |
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| CN (1) | CN217732836U (en) |
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2022
- 2022-05-06 CN CN202221072568.0U patent/CN217732836U/en active Active
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